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WO2017036425A1 - Machine à refouler - Google Patents

Machine à refouler Download PDF

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Publication number
WO2017036425A1
WO2017036425A1 PCT/CN2016/098264 CN2016098264W WO2017036425A1 WO 2017036425 A1 WO2017036425 A1 WO 2017036425A1 CN 2016098264 W CN2016098264 W CN 2016098264W WO 2017036425 A1 WO2017036425 A1 WO 2017036425A1
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WO
WIPO (PCT)
Prior art keywords
driving
hole
slider
rod
servo motor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2016/098264
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English (en)
Chinese (zh)
Inventor
杨东佐
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of WO2017036425A1 publication Critical patent/WO2017036425A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J9/00—Forging presses
    • B21J9/02—Special design or construction
    • B21J9/06—Swaging presses; Upsetting presses

Definitions

  • the present invention relates to a upsetting machine, and more particularly to a upsetting machine using a wire as a blank.
  • Patent No. ZL200910193907 discloses a top material mechanism including a cam shaft, a camshaft drive mechanism, and a first cam fixed on the camshaft.
  • a first roller that abuts the first cam is rotatably pivotally coupled to the first ram member
  • a second roller that abuts the third cam and a second cam that is coupled to the second cam are rotatably pivotally coupled to the second ram.
  • the third wheel discloses a top material mechanism including a cam shaft, a camshaft drive mechanism, and a first cam fixed on the camshaft.
  • the first cam, the third cam, and the second cam are of a split structure, and the third cam and the second cam are fixed together.
  • the first ejector pin and the second ram swing are rotatably pivotally coupled to the ram shaft that is fixed to the body.
  • the first jack mechanism cooperates with the first die and the second jack mechanism cooperates with the second die.
  • the first cam is deflected relative to the second cam, and the angle set by the third cam relative to the second cam is such that the angle of deflection of the first cam relative to the third cam in the direction of rotation of the camshaft is less than a set angle, and the third cam is fixed at the first Two cams.
  • Two third cams and second cams with different deflection angles are designed corresponding to the second ejector pendulum, and when the third die is replaced with a trimming die, the need for ejection can be satisfied.
  • the third die is a forging die for forming a hexagonal groove type workpiece of a cylindrical head, the third cam or the second roller can be removed.
  • the camshaft drive mechanism includes a first bevel gear mounted on the camshaft, a second bevel gear meshing with the first bevel gear, and a main drive shaft mounted on the second bevel gear mounted on the main drive shaft a third bevel gear at the other end, a fourth bevel gear meshing with the third bevel gear, the fourth bevel gear is mounted on the two shafts, a large gear is mounted on the two shafts, and the large gear is mounted on the crankshaft gear.
  • the patented top material mechanism is mechanically ejected, with many parts, complicated structure and many transmission links. Therefore, installation and adjustment of the machine require very experienced workers to complete on site, difficult to install and difficult to adjust.
  • the ejection mechanism needs to adjust the angle of the cam according to the length of the workpiece, and the existing mechanical ejection mechanism must be Under the premise that the upsetting machine stops working, the stroke of the ejection can be adjusted.
  • the upsetting machine affects the efficiency of the upsetting because it cannot work, and requires very experienced workers to complete the adjustment.
  • it takes a long time to adjust the machine, which is not conducive to the working efficiency of the upsetting machine; in particular, it requires experienced operators to complete the adjustment in the upsetting field, which cannot realize remote control or realize Automated tuning.
  • the first object of the present invention is to provide an upsetting machine with simple structure, few parts, few transmission links, special installation and adjustment, low requirements for the adjustment workers, and automatic and remote control adjustment.
  • An upsetting machine includes a body and a top material mechanism mounted on the body, the top material mechanism comprising a top rod, a top rod guide sleeve, and a rotary driving member for driving the top rod to linearly move back and forth in the top rod guide sleeve, a drive mechanism; a top rod guide sleeve mounting through hole is arranged on the body; the top rod guide sleeve is installed in the through hole of the top rod guide sleeve and is fixed on the body body, and the top rod is mounted on the top rod in a linear motion
  • the drive mechanism includes a drive servo motor for driving the rotary motion of the rotary drive member; the rotary drive member is mounted to the end of the top bar.
  • the top material mechanism further includes a front and rear position adjusting mechanism for adjusting a front and rear position of the top bar when the length of the workpiece changes; the front and rear position adjusting mechanism includes adjusting the servo motor.
  • the top material mechanism further includes a front and rear position adjusting mechanism for adjusting the front and rear positions of the top bar when the length of the workpiece changes, and a top rod driving member and a sliding seat;
  • the driving servo motor is mounted on the sliding seat;
  • the driving component comprises an eccentric wheel rotatably mounted with the sliding seat and driven by the driving servo motor, a driving shaft eccentrically mounted on the eccentric wheel; and a sliding shaft matched with the driving shaft on the top rod driving member a driving shaft extends into the sliding hole;
  • the top rod driving member is mounted with the end of the top rod, and the rotary driving member is mounted with the top rod through the top rod driving member; and the mutual cooperation between the sliding seat and the body is provided
  • the guiding device, the front and rear position adjusting mechanism adjusts the front and rear positions of the top bar by adjusting the distance between the sliding seat and the top bar guide sleeve.
  • the top material mechanism of the structure drives the top rod driving member to move back and forth by a driving shaft fixed on the end surface of the eccentric wheel away from the axial center position, since the top rod and the top rod driving member are mounted together, thereby realizing the top rod back and forth Linear motion. Due to the omission of the linkage mechanism, the structure is simple and compact, and in particular, the installation and commissioning of the top material mechanism is particularly simple, greatly reducing the requirements for the operator of the installation and commissioning equipment.
  • the front and rear positions of the top bar are adjusted by adjusting the front and rear positions of the slider, and the structure is simple.
  • the above structure is easy to realize that one top bar corresponds to one top rod driving member, one eccentric wheel, one driving servo motor, and the top rod can be asynchronously moved, thereby realizing asynchronous ejection, and the top material mechanism of the structure has wide application range.
  • the ejection function can also be realized when the length and size of the piece vary greatly.
  • the front and rear position adjustment mechanism of the top material mechanism includes adjusting a servo motor, adjusting a screw fixed to an output shaft of the servo motor, a screw hole disposed on the sliding seat, and adjusting a servo motor mount fixed to the body; adjusting the servo The motor is mounted on the servo motor mount.
  • the screw is fixed to the output shaft of the servo motor and screwed to the threaded hole on the slide.
  • the screw is connected to the slide thread to adjust the position of the slide to adjust the position of the top rod, and the structure is simple.
  • the top material mechanism further includes a front and rear position adjusting mechanism and a top rod driving member for adjusting a front and rear position of the top rod when the length of the workpiece changes;
  • the driving servo motor is mounted on the body;
  • the swing driving The device comprises an eccentric wheel rotatably mounted with the body, driven by the driving servo motor, a driving shaft eccentrically mounted on the eccentric wheel; and a sliding hole matched with the driving shaft on the top rod driving member;
  • the driving shaft extends into the sliding hole;
  • the top rod driving member is mounted with the end of the top rod, and the rotary driving member is mounted with the top rod through the top rod driving member;
  • the front and rear position adjusting mechanism of the top material mechanism includes adjustment a servo motor, a worm, a worm wheel, a mounting seat, an external threaded portion disposed at one end of the top rod, and a rotation preventing mechanism for restricting rotation of the top rod relative to the worm wheel; and an internal threaded hole that cooperates with
  • All the top rods of the above structure can be driven by a top rod to make the structure simple.
  • the front and rear positions of the top bar are directly adjusted by the worm gear structure, and the adjustment is convenient.
  • the upsetting machine further comprises a large slider that can be slid back and forth, a large slider driving device, an upper ejector device installed between the large slider and the body; and an upper ejector device including the transmission a swing rod driving cam on the shaft, a swing rod, a swing rod roller mounted on the swing rod, and a swing rod driving cam, a swing rod shaft and a swing arm assembly mounted on the body and installed in the middle of the swing rod;
  • the inner hole of the rod driving cam is an inner gear shape hole
  • the portion of the transmission shaft that cooperates with the inner hole of the swing rod driving cam is an outer gear shape; one end of the swing rod away from the swing rod roller can be connected with the swing arm assembly.
  • the upsetting machine further includes a large slider and a large slider driving mechanism on the body that can be slid back and forth;
  • the large slider driving mechanism includes a crankshaft supported on the body at both ends, and the first small slip a block and a second small slider; the first small slider and the second small slider are hug on the eccentric shaft of the crankshaft, and the eccentric shaft of the crankshaft and the first small slider and the second small slider are only rotatable Mounted together; the first small slider and the second small slider are mounted together;
  • the large slider includes a slider large insert and a slider small insert; and a sliding slot is provided on the slider large insert a first guiding plane is arranged on both sides of the sliding slot; the small insert of the sliding block is mounted on the large insert of the sliding block and closes the sliding groove on the large insert of the sliding block; the first small sliding block and the first sliding block are mounted together
  • the second small slider can only be slidably mounted in the first guide plane in the sliding slot of the slider insert.
  • the first small slider and the second small slider only reciprocate in the sliding hole by the rotation of the crankshaft, and the first small slider and the second small slider drive the reciprocating linear motion member to perform reciprocating linear motion.
  • the large slider driving mechanism omits the link mechanism, the first small slider and the second small slider that are hug on the eccentric shaft of the crankshaft are directly driven, and the structure is simple and compact, thereby greatly improving the overall precision and rigidity of the upsetting machine. And forging force.
  • the linkage mechanism is omitted, the failure is greatly reduced, the gap accumulation of the conventional linkage mechanism is reduced, the upsetting precision and the upsetting wear resistance are improved, and the installation and debugging of the upsetting machine is particularly simple.
  • the upsetting machine further includes a main mold assembly and a main mold assembly driving mechanism, a pushing mechanism, and a feeding mechanism; and a cutting position, a material feeding and an upsetting position, and more than one ⁇ are sequentially arranged on the body.
  • a forging position the wire feeding mechanism is disposed at a trimming position
  • the pushing mechanism is disposed at the feeding and upsetting position
  • the feeding mechanism is disposed in the upsetting position
  • the upsetting machine further comprises a main mold base guiding device fixed on the machine body; the main mold base is slidably mounted on the main mold base guiding device, and the cutting mold mounting hole of the main mold base is in the trimming position and delivery Slide between the material and the upset position.
  • the upset die in the main die holder of the translating master module may be in the form of a pair of trimming dies and a plurality of upset dies.
  • the upsetting machine using a trimming die and an upset die, and feeding form from the punch assembly to the main die seat, has the function of the existing two-die three-stroke upsetting machine.
  • a forging die and an upset die, and the upsetting machine in the form of feeding from the main die block punch assembly has the existing one-die two-punch function.
  • the invention reduces the punch lifting mechanism which is high in failure rate, difficult to adjust and operate, and reduces the independent cutting mechanism and the clamping material feeding mechanism. Upsetting main die assembly, upset recess Each part in the mold can be forged twice, greatly reducing the cost of the mold.
  • the pushing mechanism includes a push rod, a push rod guide sleeve, a lever pivotally connected to the outside of the body, and a lever driving mechanism;
  • the lever is only pivotally connected to the body, and the lever is close to one end of the pivoting portion a sliding hole is provided, and a driving portion is arranged at an end of the lever away from the pivoting portion, and an axial guiding hole and a side guiding hole are arranged on the pushing rod guide sleeve, and the pushing rod is provided with a driving portion of the lever a drive hole;
  • the push rod guide sleeve is fixed on the body, and the push rod is linearly moved back and forth in the axial guide hole of the push rod guide sleeve, and the driving portion of the lever passes through the side of the push rod guide sleeve
  • the guide hole extends into the drive hole of the push rod;
  • the lever drive mechanism includes a drive shaft that cooperates with the slide hole of the lever, and the drive shaft is slidably
  • the driving shaft of the lever driving mechanism drives the lever movement, and the lever drives the pushing rod to move back and forth in the guiding sleeve to realize the lifting movement of the blanking and the pushing mechanism of the feeding and upsetting position. Since the ejection stroke of the feeder and the upsetting pusher is far greater than the ejection stroke of the pusher of the upset position, the leverage is used, and the actual lifting of the pusher is made larger by the leverage principle.
  • the driving stroke directly drives the ejection stroke of the push rod movement.
  • the lever driving mechanism further includes an eccentric driving member that is rotatably mounted only to the body, a servo motor that drives only the driving member, a driving shaft that is eccentrically mounted on the driving member, and a driving shaft that extends into the lever. Inside the slide hole.
  • the pushing material mechanism of this structure moves back and forth by a driving shaft driving lever fixed on an end surface of the eccentric driving member offset from the axial center position, thereby realizing linear motion of the pushing rod back and forth. Since the linkage mechanism is omitted, the structure is simple and compact, and in particular, the installation and commissioning of the pushing mechanism is particularly simple, which greatly reduces the requirements for the operator of the installation and commissioning equipment.
  • the invention has the beneficial effects that the driving servo motor drives the rotary driving member, and the power source thereof is provided by the driving servo motor, and does not need the same power source as the driving crankshaft, and the complicated multi-stage transmission mechanism can be omitted, and the utility model can also be omitted.
  • the front and rear positions of the top rod need to be adjusted according to the length of the workpiece. If the front and rear position adjustment mechanism is also controlled by the servo motor, the machine can be adjusted directly without stopping the machine. Under this circumstance, the upsetting machine will not affect the efficiency of upsetting due to the downtime of the machine, and it does not require an experienced worker to complete the adjustment of the machine. It can realize remote control and automatic adjustment. Automatic mold change and remote control mold change can also be realized, which greatly reduces the requirements for workers.
  • FIG. 1 is a perspective view showing the upsetting machine of the first embodiment with the upper ejector unit (PKO device) removed.
  • Figure 2 is a right top view of Figure 1.
  • Figure 3 is a cross-sectional view taken along line A-A of Figure 2;
  • Fig. 4 is a perspective exploded view showing the structure of a portion of the upsetting machine of the first embodiment.
  • Fig. 5 is a perspective exploded view of the upsetting machine of the first embodiment.
  • Fig. 6 is a partial perspective view showing the upsetting machine of the first embodiment.
  • Figure 7 is a top plan view of Figure 1.
  • Figure 8 is a cross-sectional view taken along line B-B of Figure 7;
  • Fig. 9 is a perspective view showing the large slider and the large slider driving mechanism of the first embodiment.
  • Fig. 10 is a perspective exploded view showing the large slider and the large slider driving mechanism of the first embodiment
  • Figure 11 is a perspective view showing the main mold assembly and the main mold base driving mechanism of the first embodiment.
  • Figure 12 is a perspective exploded view of the main mold assembly and the main mold base driving mechanism of the first embodiment.
  • Figure 13 is a top plan view showing the driving block and the driving roller for driving the main die holder driving mechanism of the trimming die of the embodiment 1 to the trimming position.
  • Figure 14 is a top plan view showing the driving block and the driving roller of the main mold base driving mechanism for moving the trimming die of the embodiment 1 to the feeding and upsetting position.
  • Figure 15 is a perspective exploded view showing the structure of a portion of the main mold assembly of the first embodiment.
  • Figure 16 is a perspective view showing the structure of a portion of the main mold assembly of the first embodiment.
  • Figure 17 is a perspective exploded view showing the structure of the main mold assembly and other structures of the first embodiment.
  • Figure 18 is a perspective view showing the main mold assembly and other structures of the first embodiment.
  • Fig. 19 is an exploded perspective view showing the structure and other structures of the main mold assembly of the first embodiment.
  • Fig. 20 is a perspective view showing a part of the structure of the upsetting machine of the first embodiment.
  • Fig. 21 is a partially exploded perspective view showing a part of the structure of the upsetting machine of the first embodiment.
  • Figure 22 is a perspective exploded view of the upsetting machine of the second embodiment.
  • Figure 23 is a partial perspective view showing the upsetting machine of the second embodiment.
  • Figure 24 is a perspective exploded view of the top material mechanism of the second embodiment.
  • Figure 25 is a perspective exploded perspective view showing the front and rear position adjusting mechanism of the top material mechanism of the second embodiment.
  • Figure 26 is a perspective view showing the large slider and the large slider driving mechanism, the die assembly, the main mold assembly and the main mold base driving mechanism of the cutting die of the embodiment 2 placed in the feeding and upsetting position.
  • Figure 27 is a perspective view showing the other direction of the large slider and the large slider driving mechanism, the die assembly, the main mold assembly and the main mold base driving mechanism of the cutting die of the embodiment 2 in the trimming position.
  • Figure 28 is a partial perspective view showing the upsetting machine of the second embodiment.
  • Figure 29 is a perspective view showing the clamp mechanism and the clamp base of the second embodiment.
  • Fig. 30 is a perspective exploded perspective view showing the large slider and the large slider driving mechanism of the second embodiment.
  • Figure 31 is a perspective view showing the large slider and the large slider driving mechanism of the second embodiment.
  • Figure 33 is a cross-sectional view showing the main mold assembly and the die assembly of the embodiment 3 in a vertical plane cut through the axis of the three punches in the un-clamped state.
  • Fig. 34 is an enlarged schematic view showing a portion I of Fig. 33;
  • Figure 35 is a cross-sectional view showing the main mold assembly and the die assembly of the embodiment 3 cut through the vertical plane of the axis of the three punching die in the state of being clamped.
  • Fig. 36 is an enlarged schematic view showing a portion II of Fig. 35;
  • Figure 37 is a perspective exploded view of the top rod driving device of the fourth embodiment.
  • Figure 38 is a cross-sectional view showing the axis of the overhead rod of the top rod driving device of the fourth embodiment.
  • the upsetting machine includes a body 1, a large slider 2 mounted on the body 1 and slidably mounted on the body 1, a punch assembly 3 mounted on the large slider 2, and a large sliding drive.
  • Large slider driving mechanism for sliding the block 2 a top material mechanism mounted on the body 1, a front and rear position adjusting mechanism of the top material mechanism, a pushing mechanism, a front and rear position adjusting mechanism of the pushing mechanism, a wire feeding mechanism, and a main mold assembly 4.
  • the main die holder guiding device disposed on the body 1 and the main die block driving mechanism for driving the main die assembly 4 to slide back and forth.
  • the body 1 includes a frame 5, a cover 6, and a cover 7.
  • the frame 5 includes a frame body 8 and a frame mount 9 for mounting the main mold assembly 4.
  • the frame base 9 includes a base body 10 and an end plate 11.
  • a receiving cavity 12 for mounting the main die assembly 4 is disposed on the base body 10.
  • the receiving cavity 12 has an opening 13 at one end thereof, and the end plate 11 is fixed to the base body 10 at the opening 13. Both ends of the frame base 9 protrude from the frame body 8.
  • the body 1 is provided with a trim level 14, a delivery and upset position 15, an upset position 16, an upset position 17, an upset position 18, and an upset position 19.
  • the wire feeding mechanism is placed at the trimming position 14, and the pushing mechanism is arranged on the delivery and upsetting position 15, and the topping is provided in the upsetting position 16, the upsetting position 17, the upsetting position 18, and the upsetting position 19. mechanism.
  • the wire feeding mechanism further comprises a feeding slider device, a feeding driving mechanism for driving the feeding slider device to linearly move back and forth along the feeding direction, and a guiding device installed between the outside of the body 1 and the feeding slider device.
  • the cylinders 20 cooperate with each other to clamp the upper clamp 22 and the lower clamp 23 of the wire.
  • the feed drive mechanism includes a rotary feed servo motor 24 and a drive plate 26 to which the drive shaft 25 is fixed.
  • a motor fixing portion 27 and a guide fixing portion 28 opposed to the motor fixing portion 27 are protruded from the outside of the body 1.
  • the motor fixing portion 27 includes a vertical block 29, horizontal upper bumps 30 and lower bumps 31 provided on the vertical block 29.
  • the guide fixing portion 28 includes a horizontal portion 32 and a connecting portion 33 that connects the horizontal portion 32 and the body 1.
  • the feed servo motor 24 is fixed between the upper bump 30 and the lower bump 31.
  • the guide includes a linear guide 34 and a guide slide 36 that mates with the linear guide 34.
  • the feed slider device includes a feed holder 35 and a door frame-shaped cylinder block 21.
  • the linear guide 34 is fixed to the bottom surface of the horizontal portion 32 of the guide fixing portion 28, and the guide rail 36 is mounted on the linear guide 34 and supported by the linear guide 34.
  • the feed holder 35 includes a lower mounting portion 37 that is parallel to each other, an upper mounting portion 38, and a vertical portion 39 that connects the lower mounting portion 37 and the upper mounting portion 38.
  • Lower mounting portion 37 of the feed seat 35 It is fixed to the bottom surface of the guide rail 36; the cylinder block 21 is fixed to the top surface of the upper mounting portion 38 of the feed holder 35, and the upper mounting portion 38 of the feed holder 35 and the cylinder block 21 are formed to open on both sides in the wire feeding direction.
  • the frame-shaped accommodating cavity 175 is fixed to the top surface of the upper mounting portion 38 of the feeding seat 35, the cylinder 20 is fixed to the top surface of the cylinder block 21, and the piston rod 40 of the cylinder 20 is received through the cylinder block 21.
  • the top wall of the cavity 175 is fixed to the upper holding member 22, and the upper holding member 22 is opposed to the lower holding member 23.
  • the linear guide 34 and the guide rail 36 can be made of standard parts, and the guide is reliable and accurate, which greatly improves the feeding accuracy.
  • the linear guide 34 is fixed to the outside of the body 1 downward, and is less likely to occupy dust.
  • the output shaft 41 of the feed servo motor 24 is coaxially fixed to the drive plate 26 through the vertical block 29 of the motor fixing portion 27; the drive shaft 25 is mounted on the end face of the drive plate 26 facing away from the feed servo motor 24.
  • the axis of the drive shaft 25 is offset from the axis of the output shaft 41 of the feed servo motor 24.
  • a slide hole 42 that fits in the vertical direction with the drive shaft 25 is disposed in the vertical portion 39 of the feed base 35; the drive shaft 25 extends into the slide hole 42.
  • the feeding servo motor 24 drives the driving disk 26 to rotate, and the driving shaft 25 of the driving disk 26 extends into the sliding hole 42 of the feeding seat 35 to directly drive the feeding slider device, omitting the connecting rod, the structure is simple and compact, and the wire feeding mechanism is installed and debugged. Simple, greatly reducing worker requirements and improving equipment accuracy, greatly reducing the failure rate of the drive mechanism and improving drive reliability. With the structure of the drive disk 26 and the drive shaft 25, both the drive disk 26 and the drive shaft 25 are easy to process, and thus the manufacturing cost is low.
  • the guide rail 36 of the feed slider device is slidably mounted on the linear guide 34 in the wire feed direction.
  • the lower holding member 23 and the cylinder block 21 are fixed to the top surface of the feed holder 35, the upper holding member 22 is placed directly below the cylinder block 21, the cylinder 20 is fixed to the top surface of the cylinder block 21, and the piston rod 40 of the cylinder 20 is worn.
  • the cylinder block 21 is fixed to the upper clamp 22.
  • the feeding slider device is driven by a rotary type ordinary feeding servo motor 24, which not only has reliable transmission and high transmission precision, but also drives the upper clamping member 22 with a pneumatic structure, so that the wire feeding is very reliable, especially the conveying length of the wire does not require other mechanisms.
  • the length of the wire is directly controlled by the feeding servo motor 24, and the precision is high, so that the conveying length of the wire is accurate, and therefore, the forming quality of the workpiece is good; in particular, the feeding servo motor 24 can automatically adjust the length of the feeding, that is, The length of the blank; also, when the length of the required blank is changed, there is no need to manually adjust the machine, and the numerical control automatic adjustment can be completed by parameter setting, which not only has low requirements for the operator, but also greatly improves the efficiency.
  • the present invention is low in cost relative to a linear servo motor.
  • the punch assembly 3 includes a punch die holder 43, a second die holder 44, a three punch die holder 45, a four punch die holder 46, and a final die holder 47 mounted on the large slider 2.
  • a punching die 48 mounted in a die holder 43 , a second punching die 49 mounted in the second punching die holder 44, a triple punching die 50 mounted in the three punching die holder 45, and mounted in the four punching die holder 46
  • the four punching die 51 is attached to the final punching die 52 in the final die holder 47.
  • the large slider driving mechanism includes a crankshaft 53 supported on the body 1 at both ends, a sleeve 54, a sleeve 55, a first small slider 56 and a second small slider 57. .
  • the crankshaft 53 includes a first central shaft 58, a second central shaft 59 coaxial with the first central shaft 58, a disc 60, a disc 61 disposed between the first central shaft 58 and the second central shaft 59, and a setting
  • the eccentric shaft 62 between the two discs 60 and the disc 61; the axis of the disc 60 and the disc 61 is offset from the axis of the first central axis 58 and the axis of the eccentric shaft 62, the first central axis 58,
  • the second central shaft 59, the disk 60, the disk 61 and the eccentric shaft 62 are integrally forged.
  • the strength of the crankshaft 53 of the present invention is high, the service life of the crankshaft 53 is prolonged, and the positional accuracy of the crankshaft 53 is ensured.
  • a bushing mounting hole 63 is provided on one side of the body 1, and a bushing mounting hole 64 is provided on the other side of the body 1.
  • One end of the crankshaft 53 is mounted in the boss mounting hole 63, and the other end is mounted in the boss mounting hole 64.
  • the boss 54 is attached from the outside of the body 1 to the outside of the first center shaft 58 of the crankshaft 53, and the boss 55 is attached to the second center shaft 59 of the crankshaft 53 from the outside of the other side of the body 1.
  • the large slider drive mechanism further includes a servo motor 65 mounted on the outside of the body 1, and an output shaft 66 of the servo motor 65 is mounted with a first central shaft 58 passing through one end of the crankshaft 53 of the sleeve 54.
  • the large slider 2 includes a slider large insert 67 and a slider small insert 68.
  • a groove 69 is formed on the slider large insert 67 on both sides of the slider large insert 67 and opening downward, and a mounting die assembly 2 is disposed on a side of the slider large insert 67 facing the main die assembly 4.
  • the die assembly accommodates the slot 70.
  • a recessed portion 71 and a recessed portion 72 are provided on the side walls on both sides of the recess 69.
  • a guide insert 73 is fixed to the recessed portion 71, and a guide insert 74 is fixed to the recessed portion 72.
  • the groove 69 of the large slider 2, the guide insert 73, and the guide insert 74 form a chute 75.
  • the guide insert 73 forms a first guiding plane 76 towards the face of the guiding insert 74, and the guiding insert 74 forms a second guiding plane 77 towards the face of the guiding insert 73.
  • a positioning groove 78 is provided on a face of the slider large insert 67 facing the slider small insert 68.
  • a groove 79 is provided on the slider small insert 68 to engage the sliding groove 75 of the slider large insert 67, and a positioning rib 80 is provided on the face of the slider small insert 68 facing the slider large insert 67. .
  • a semi-cylindrical curved groove 81 is formed on the first small slider 56 to cooperate with the eccentric shaft 62 of the crankshaft 53.
  • the first small slider 56 is provided with a positioning groove 82 on the surface of the second small slider 57.
  • a semi-cylindrical curved groove 83 that cooperates with the eccentric shaft 62 of the crankshaft 53 is provided on the second small slider 57, and the second small slider 57 is fixed on the surface of the first small slider 56.
  • Position ribs 84 Position ribs 84.
  • the groove 81 of the first small slider 56 and the groove 83 of the second small slider 57 are engaged on the eccentric shaft 62 of the crankshaft 53, and the positioning rib 84 of the second small slider 57 extends into the first small slider.
  • the positioning groove 82 of the 56 the first small slider 56 and the second small slider 57 are fixed together; the eccentric shaft 62 of the crankshaft 53 and the first small slider 56 and the second small slider 57 are rotatably mounted
  • the positioning rib 80 on the slider small insert 68 extends into the positioning groove 78 of the large slider 2, and the slider small insert 68 is fixed to the slider large insert 67, and the sliding groove on the slider large insert 67 75 forms a closed sliding aperture 85 with the recess 79 in the slider insert 68.
  • the first small slider 56 and the second small slider 57 that are fixed together are only slidably mounted in the sliding hole 85 of the slider large insert 67, and the first small slider 56 is back and forth on the first guiding plane 76. Sliding, the second small slider 57 slides back and forth on the first guiding plane 77.
  • the main mold assembly 4 includes a main mold base 86, a jack 87, a jack guide sleeve 88 and a workpiece length adjusting device, four upsetting recesses 89, a thimble 90, and a trimming die 91.
  • the main mold base 86 includes a first main mold base 92 and a second main mold base 93.
  • the first main mold base 92 is recessed with a mounting groove 94, and the mounting groove 94 is provided.
  • the second main mold base 93 is mounted in the mounting groove 94 of the first main mold base 92.
  • Each of the upset die mounting holes 95 is provided with a receiving hole 97 in the main die holder 86.
  • the receiving hole 97 is coaxial with the upset die mounting hole 95, and the receiving hole 97 is installed through the upset die.
  • the bottom surface of the hole 95 and the main mold base 86 have a smaller aperture than the diameter of the upset die mounting hole 95.
  • the jack 87 includes a head 98 and a stem 99; a guide hole 100 is provided in the jack guide 88 to engage the stem 99 of the jack 87.
  • the axial direction of the upset die mounting hole 95 coincides with the direction of the mounting groove 94.
  • the workpiece length adjusting device is disposed in the main die holder 86.
  • An external thread portion 101 is disposed on an outer circumference of the jack guide sleeve 88.
  • the workpiece length adjusting device includes a first servo motor 102, a first worm 103, a first worm wheel 104, and a first bevel gear 105 coaxially fixed to the first worm 103.
  • the main mold base 86 is further provided with a vacant space 108 that communicates with the accommodating hole 97 of the main mold base 86 and penetrates one side of the main mold base 86.
  • the first worm wheel 104 is placed at a position where the escaping space 108 of the main die holder 86 communicates with the accommodating hole 97 from the side where the first servo motor 102 is mounted, and then in each accommodating hole.
  • a jack guide sleeve 88 is mounted in the 97, and the external thread portion 101 of the jack guide sleeve 88 is screwed to the internally threaded bore 107 of the first worm wheel 104.
  • the jack guide sleeve 88 is axially constrained by the screw connection with the first worm wheel 104 and is completely received in the receiving hole 97 of the main die holder 86.
  • the first worm 103 is mounted in the cutout space 108 of the main die holder 86 to engage the first worm gear 104.
  • the first worm 103 protrudes from the second main die holder 93 to fix the first bevel gear 105 coaxially.
  • the ejector guide sleeve rotation preventing mechanism for restraining the rotation of the ejector guide sleeve 88 is a rotation preventing groove 177 provided on the ejector guide sleeve 88, and the rotation preventing pin 178 and the rotation preventing pin 178 which are mounted from the side where the first servo motor 102 is mounted.
  • the second main mold base 93 extends into the rotation preventing groove 177.
  • the upsetting machine further includes a first servo motor mount 109, a drive shaft 110, a drive shaft mount 111, and a drive shaft drive mechanism.
  • the drive shaft drive mechanism includes a second worm gear 112, a second worm 113, and a second servo motor 114; the first servo motor mount 109 is fixed to the body 1, and the first servo motor mount 109 is provided with a convex shaft 115 at the convex shaft 115 is provided with a drive shaft mounting hole 116.
  • the drive shaft 110 is only rotatably mounted in the drive shaft mounting hole 116; a second worm mount 117 is further disposed on the first servo motor mount 109;
  • the mounting base 109 is provided with two fixed shafts 118 for engaging with the driving shaft 110.
  • the fixing shafts 119 are matched with the fixing shafts 119 of the driving shafts 110.
  • the protruding shafts 115 are disposed on the first servo motor mounting base 109. Between the fixed shafts 118, the drive shaft 110 passes through the fixing hole 119 of the fixed shaft 118 away from the second worm mount 117, the drive shaft mounting hole 116 on the protruding shaft 115, and the fixed shaft 118 of the second worm mount 117.
  • the fixing hole 119 and the fixing shaft 118 protruding from the second worm mounting seat 117 are fixed to the second worm wheel 112; the driving shaft 110 and the two fixing shafts 118 are non-rotatably mounted together, and the driving shaft 110 and the protruding shaft 115 are only rotatably Installed together; both ends of the second worm 113 Mounted on the second worm mount 117, the second servo motor 114 is mounted outside the second worm mount 117, and one end of the second worm 113 is coaxially fixed to the output shaft of the second servo motor 114.
  • the second servo motor 114 drives the movement of the second worm 113, and the second worm 113 drives the second.
  • the worm wheel 112 moves, the second worm wheel 112 drives the drive shaft 110 to move, and the drive shaft 110 drives the first servo motor mount 109 to move and stops moving when the main mold base 86 is stuck together, while the first bevel gear 105 and the second spear gear Engage.
  • the first servo motor 102 moves to drive the movement of the first worm 103.
  • the first worm 103 drives the first worm wheel 104 to move, and then the internal threaded hole 107 of the first worm wheel 104 cooperates with the external thread portion 101 of the jack guide sleeve 88 to drive the top.
  • the rod guide sleeve 88 moves to adjust the jack guide sleeve 88 at the main mold base
  • the axial position of the receiving hole 97 of the 86 is sufficient to meet the variation in the length specification of the part.
  • the motor mount 109 is taken away from the main mold base 86.
  • the first servo motor 102 is not fixed to the main mold base 86, but is fixed to the body 1, and the vibration of the first servo motor 102 during the upsetting is greatly reduced, and the life of the first servo motor 102 is greatly improved.
  • the movement of the first worm wheel 104 is carried out by adjusting the first worm 103, and then the internal threaded hole of the first worm wheel 104 cooperates with the external thread portion 101 of the ejector guide sleeve 88 to drive the ram guide sleeve 88 to move, because the ejector guide sleeve 88 is topped.
  • the rod guide sleeve rotation preventing mechanism is constrained to rotate, and the jack guide sleeve 88 generates an axial movement, thereby adjusting the axial position of the jack guide sleeve 88 in the receiving hole 97 of the main mold base 86 to meet the change of the length specification of the workpiece.
  • the workpiece length adjusting device of the structure on the one hand, the first worm 103 can protrude from the main die holder 86, and the adjustment is convenient; on the other hand, the first worm 103 can be driven by a servo motor to realize numerical control adjustment.
  • the ejector pin 90 includes a head portion 120 and a rod portion 121.
  • the upset forging die 89 is provided with a workpiece receiving hole 122 and a guide hole 123 that cooperates with the rod portion 121 of the ejector pin 90.
  • the head 120 of the ejector pin 90 is placed in the receiving hole 97 of the main die holder 86.
  • the stem portion 121 of the ejector pin 90 extends into the guiding hole 123 of the upsetting die 89, and the upsetting die 89 is mounted on the upset die.
  • the trimming die 91 is mounted in the trimming die mounting hole 96.
  • An upset die mounting hole 95 corresponds to an upset die 89 and a ejector pin 90.
  • the jack 87, the jack guide sleeve 88 and the workpiece length adjusting device, the second master die holder 93, the upset die 89, the thimble 90, and the trimming die 91 form a main die module
  • a ram 87 is mounted in each of the jack guide sleeves 88.
  • the shank 99 of the jack 87 is slidably mounted in the guide hole 100 of the jack guide 88.
  • the head 98 of the jack 87 is ejector
  • the guide sleeve 88 is axially constrained outside the jack guide sleeve 88 and faces the upset die mounting hole 95.
  • the jack 87 is axially restrained by the jack guide sleeve 88 and is completely received in the receiving hole of the main die holder 86. 97 inside.
  • the main mold assembly 4 further includes two or more roller devices 125; a roller device accommodating space 126 is disposed on the bottom surface of the main mold base 86; and the roller device 125 is mounted on the roller device accommodating space 126.
  • the roller device 125 includes a roller 127 that is only rotatable relative to the main die holder 86, and the roller 127 projects from the bottom surface of the main die holder 86.
  • the main mold base driving mechanism includes a driving carriage 128 and a driving carriage driving device; a driving carriage sliding slot 129 is provided on the main mold base 86 to drive the carriage sliding slot 129 and the main mold.
  • the driving direction of the seat 86 is vertical; the driving carriage 128 is slidably mounted in the driving carriage chute 129 of the main mold base 86; the driving carriage 130 is provided with a driving groove 130, and the driving drag on the main mold base 86
  • the plate chute 129 is fixed with a driving rod 131 extending into or through the driving groove 130, and a driving roller 132 rotatably mounted on the driving rod 131.
  • the driving groove 130 is a stepped shape of an arc transition, and includes one parallel to each other.
  • the first parallel portion 133 and the second parallel portion 134 connect a connecting portion 135 of the first parallel portion 133 and the second parallel portion 134.
  • the first parallel portion 133 is perpendicular to the moving direction of the main die holder 86, and the first parallel portion 133
  • the sum of the shortest distance between the two parallel sides adjacent to the second parallel portion 134 and the diameter of the drive roller 132 is equal to the distance between the axis of the upset die mounting hole 95 and the axis of the trimming die mounting hole 96.
  • the driving rod 131 includes a head 136 and a rod portion 137.
  • the driving roller 132 is mounted outside the rod portion 137 of the driving rod 131.
  • the rod portion 137 of the driving rod 131 is mounted on the main mold base 86 through the driving groove 130 of the driving carriage 128.
  • the diameter of the head 136 of the driving rod 131 is larger than the width of the driving groove 130; the driving roller 132 cooperates with the driving groove 130 and is slidably disposed in the driving groove 130.
  • the main mold base 86 is driven by a driving carriage 128.
  • the driving rod 131 drives the driving carriage 128, and the driving carriage 128 drives the main mold base 86 to slide back and forth. It does not need to use a servo motor, nor does the motor rotate forward and reverse.
  • the structure of the groove 130 controls the distance between the main mold base 86 and the movement relationship with the die assembly, and maintains the stability and reliability of the transmission relationship and reduces the cost.
  • the driving rod 131 includes a head portion 136 and a rod portion. In the case of severe vibration, the driving roller 132 is always kept in the driving groove 130, so that the movement of the driving carriage 128 is reliable, so that the movement of the main mold base 86 is reliable.
  • the driving carriage driving device includes a transmission shaft 138 parallel to the crankshaft 53 and two ends mounted on the body 1, a pinion gear 139 mounted on the crankshaft 53, a large gear 140 meshing with the pinion gear 139 and mounted on the transmission shaft 138,
  • the driving link 141; the gear ratio of the large gear 140 and the pinion 139 is 2:1: one end of the driving link 141 is pivotally connected to the end surface 142 which is offset from the center of rotation of the large gear 140, and one end is pivotally connected to the driving carriage 128. One end.
  • the driving carriage driving device of such a structure has a power source from the crankshaft 53 that drives the movement of the large slider 2, thereby reducing the number of motors and reducing the cost.
  • a main die holder rail 143 is mounted on the bottom surface of the accommodating cavity 12, and a main die holder rail 144 is symmetrically spaced on both side walls of the accommodating cavity 12.
  • the main mold assembly 4 is mounted in the accommodating chamber 12, the bottom surface of the main mold base 86 is engaged with the main mold base rail 143 of the bottom surface of the accommodating chamber 12, and both sides of the main mold base 86 and the two sides of the accommodating chamber 12 are provided.
  • the main die holder rails 144 on the wall cooperate.
  • the main mold base 86 forms a main mold base guide groove on the main mold base rail 144 on the two side walls of the accommodating chamber 12 from the bottom surface of the accommodating chamber 12, and the main mold base 86 is in the main mold base. Slide back and forth inside the guide groove.
  • the main die seat guide groove is perpendicular to the upset die mounting hole 95.
  • the roller 127 of the main die holder 86 is slidably disposed on the main die holder rail 143.
  • the main die holder 86 is mounted in the receiving cavity 12 of the frame mount 9. In this structure, when the end plate 11 is removed and the driving rod 131 and the driving roller 132 drive the driving plate 128 and the main die holder 86 are detached, the main mold assembly 4 can be taken out together, thereby facilitating the overall installation and The main mold assembly 4 is removed.
  • the frame body 8 is provided with a trimming position 14, a delivery and an upset position 15, an upset position 16, an upset position 17, an upset position 18, and an upset position 19 forming a frame base.
  • the topping mechanism of the upset position 15, the upset position 16, the upset position 17, the upset position 18, and the upset position 19 includes a top rod 145, a top rod guide sleeve 146, a top rod drive member 147, and a drive top rod drive member 147
  • a top bar drive member drive that moves back and forth along the axis of the top bar 145.
  • the trimming position 14 of the frame body 8 is provided with a trim cover mounting hole 148 communicating with the side wall of the receiving cavity 12 of the frame base 9, and the feeding and upsetting position 15 of the body 1 is provided with the frame
  • the push rod guide bushing of the seat 9 of the seat 9 is connected with a through hole 149, and the upset position 16, the upset position 17, the upset position 18, and the upset position 19 are provided with the frame base 9
  • the top bar guide sleeve of the accommodating cavity 12 is connected to the through hole 150.
  • a static shearing die 151 is attached to the side of the trim cover mounting hole 148 facing the main die assembly, and the static shearing die 151 is fixed to the body 1.
  • the device includes a servo motor 156.
  • the top rod driving member driving device further includes a sliding seat 152, a pinion gear 153, a large gear 154, and a driving shaft 155.
  • the sliding seat 152 is mounted on the body 1, and the pinion gear 153 is fixed to the output shaft of the servo motor 156.
  • the motor is mounted on the side facing away from the servo motor 156; the large gear 154 is mounted on the carriage 152 to mesh with the pinion 153; the drive shaft 155 is fixed on the end surface 142 of the large gear 154 from the axial position;
  • the member 147 is provided with a driving groove 130 that cooperates with the driving shaft 155; the driving shaft 155 extends into the driving groove 130.
  • the rotary drive member of the top material mechanism is a large gear 154, and the linear distance of the maximum stroke of the large gear 154 in the ejection direction is the distance between the axis of the double large gear and the axial center of the drive shaft 155.
  • the pushing mechanism of the feeding and upsetting position 15 includes a lever 157 pivotally connected to the outside of the body 1, a lever driving mechanism, a push rod 158, a push rod guide sleeve 159, and a lever 157 only pivotable Connected to the body 1, a sliding hole 160 is disposed at one end of the lever 157 near the fixed shaft 118, a driving portion 161 is disposed at an end of the lever 157 away from the fixed shaft 118, and an axial guiding hole 162 is disposed on the pushing rod guide sleeve 159.
  • the driving rod 158 is provided with a driving hole 164 which cooperates with the driving portion 161 of the lever 157;
  • the pushing rod guide sleeve 159 is fixed on the body 1, and the pushing rod 158 is mounted on the pushing rod guide
  • the driving portion 161 of the lever 157 extends through the side guiding hole 163 on the push rod guide sleeve 159 into the driving hole 164 of the push rod 158;
  • the lever driving mechanism is fixed to the body
  • the upper mounting seat 165, the servo motor 166 mounted on the body, the driving disc 167 fixed to the output shaft of the servo motor 166, and the driving shaft 168 mounted on the driving disc 167 cooperate with the sliding hole 160 of the lever 157, and the driving shaft 168 can be It is slidably mounted back and forth in the slide hole 160 of the lever 157.
  • the drive shaft 168 is not coaxial with the output shaft of the servo motor 166.
  • the slewing drive member of the ejector mechanism includes a drive plate 167 and a lever 157. Since the lever 157 is added, the linear distance of the maximum stroke of the drive plate 167 and the lever 157 in the ejection direction is much larger than that of the large gear 154 of the ejector mechanism. The straight line distance of the maximum stroke of the direction.
  • the front and rear position adjustment mechanism of the top material mechanism front and rear position adjustment mechanism topping mechanism includes a servo motor 169, a screw 170 fixed to the output shaft of the servo motor 169, and a threaded hole 171 provided on the slider 152 of the top rod drive motor mount 152, convex Two guide rails 172 disposed on the outer side of the machine body 1, and guide grooves 173 disposed on both sides of the motor mounting shaft and the rails 172 on both sides of the guide rail 172, and an adjustment drive motor mount fixed to the two guide rails 172 to adjust the servo motor installation
  • the 174 is mounted on the two guide rails 172 on the outer side of the body 1
  • the servo motor 169 is mounted on the slide 152 of the top rod drive motor mount 152.
  • the servo motor is mounted on the slide rail 152 of the top rod drive motor mount 152.
  • the 169 is mounted on the adjustment servo motor mount 174, and the screw 170 is fixed to the output shaft of the servo motor 169 and screwed to the threaded hole 171 in the carriage 152. .
  • All of the die holders are equidistantly distributed, and the axes of all the die holders are coplanar, and the distance between the axes of the adjacent die seats is equal to the distance between the axis of the upset die mounting hole 95 and the axis of the trimming die mounting hole 96.
  • a punching die holder 43, a second die holder 44, a three-flush die holder 45, a four-flush die holder 46, and a final die holder 47 are respectively provided with a feed and upset position 15, an upset position 16, an upset position 17, and upset forging Bit 18 and upset position 19 correspond one-to-one and face each other.
  • the number of die holders is one more than the number of upset die mounting holes 95 on the main die holder 86.
  • the trimming die mounting hole 96 of the main die holder 86 slides back and forth between the trimming position 14 and the feed and upset position 15.
  • the trimming die mounting hole 96 on the main die holder 86 is placed in the trimming position 14, and the upset die mounting hole 95 coaxial with a punching die holder 43 is placed in the delivery and upsetting position 15, and the final die holder is not in the frame. Forging position.
  • the trimming die mounting hole 96 on the main die holder 86 is placed in the delivery and upsetting position 15. Coaxial with a die holder 43 and the final die holder is placed on the upset position.
  • a working method of a upsetting machine characterized in that the die assembly further comprises more than one die; the main die assembly 4 further comprises an upsetting die 89, a thimble 90, and a trimming die 91.
  • a trim die insert 176 is mounted at one end of the trim die 91 remote from the die assembly.
  • the trimming die insert 176 and the static shearing die 151 cooperate to cut the wire into a blank, so that only the material of the shearing die insert 176 and the static shearing die 151 are good, and the shearing die 91 can be made of a general material to reduce the shearing.
  • the cost of the die 91 is.
  • the ejector pin 90 includes a head portion 120 and a rod portion 121.
  • the upsetting recess 89 is provided with a workpiece receiving hole 122 and a guiding hole for engaging with the rod portion 121 of the thimble 90; the head portion 120 of the thimble 90 is placed at the main mold base In the receiving hole of the 86, the rod portion 121 of the ejector pin 90 extends into the guiding hole 123 of the upsetting die 89, and the upsetting die 89 is installed in the upsetting die mounting hole 95, and the trimming die 91 is mounted on the trimming material.
  • the working method of the upsetting machine includes the following steps:
  • the trimming die 91 in the main die holder 86 is placed in the trimming position 14, and the driving roller 132 is placed in the first parallel portion 133 and is in contact with the side of the first parallel portion 133 adjacent to the second parallel portion 134;
  • the wire of the trimming position 14 is fed into the trimming die 91 in the main die holder 86 via the wire feeding mechanism;
  • the large slider driving mechanism drives the large slider 2 to move, and the die assembly mounted on the large slider 2 faces the main die.
  • the assembly 4 moves, and there is no workpiece in the final punching die 52 of the die assembly 3, no forging, no upsetting, and a punching die 48 of the feeding and upsetting position 15 respectively corresponding to the blank of the punching die 48.
  • the forging position 16, the upset position 17, the upset position 18, the two punching die 49 of the upset position 19, the triple punching die 50, the four punching die 51, and the final punching die 52 punch the workpiece into its coaxial upset forging
  • the upsetting die 89 is subjected to upsetting; after the upsetting is completed, the large slider driving mechanism drives the large slider 2 to be reset, that is, the die assembly 3 mounted on the large slider 2 moves away from the main die assembly 4, and the workpiece remains. In the corresponding upset die 89;
  • the main mold base drive mechanism drives the main mold assembly 4 to slide, and the trimming mold 91 in the main mold base 86 is mounted on the main mold base 86 during sliding from the trim level 14 to the delivery and upset position 15.
  • the trimming die 91 cuts the wire to realize the full round cut, and the cut wire forms the blank required for the upset; the trimming die 91 moves to the delivery and upset position 15, and the blank follows the main die holder 86.
  • the trimming die 91 moves together to the delivery and upset position 15; the workpiece in the upset die 89 moves with the main die block 86 to the next upset position;
  • the trimming die 91 is moved to the delivery and upsetting position 15, and the driving roller 132 is placed in the second parallel portion 134 and is in contact with the side of the second parallel portion 134 adjacent to the first parallel portion 133; the main die holder 86 is stopped.
  • the large slider driving mechanism drives the large slider 2 to move, respectively, with the upsetting position 16, the upsetting position 17, the upsetting position 18, the upsetting position 19, the two punching die 49, the three punching die 50, and the four punching
  • the mold 51 and the final punching die 52 upset the inner product of the upset forging die 89 with the coaxial upset position;
  • the top rod 145 of the topping mechanism of the upsetting position corresponding to the final punching die 52 is the top rod 87 of the top main mold assembly 4.
  • the top ejector pin 90 of the ejector pin 87 pushes out the finished product in the upset forging die 89 of the upset position; the topping mechanism of the upset position corresponding to the two punching die 49, the three punching die 50, and the four punching die 51
  • the push rod 158 of the top main mold assembly 4 of the push rod 158 and the top yoke 90 of the ejector 87 push the workpiece in the upset forging die 89 of the corresponding upset position into the co-axial die and out of the upset a die 89; a pusher rod 158 of the pushing mechanism of the feeding and upsetting position 15 feeds the blank into a punching die 48 coaxial therewith and away from the trimming die 91;
  • Step (1) to step (3) are repeated cycles.
  • the main die base driving mechanism includes a mounting base 300, a driving member 302 provided with a driving shaft 301, a main die holder driving motor 303, a driving block 304, and a main mode.
  • Seat drive mechanism position adjustment mechanism As shown in FIG. 22 and FIG. 23, unlike the first embodiment, the main die base driving mechanism includes a mounting base 300, a driving member 302 provided with a driving shaft 301, a main die holder driving motor 303, a driving block 304, and a main mode.
  • Seat drive mechanism position adjustment mechanism is provided with a driving shaft 301, a main die holder driving motor 303, a driving block 304, and a main mode.
  • the driving member 302 includes a disc 305, a mounting shaft 306 disposed on one end surface of the disc 305, and a driving shaft 301 disposed on the other end surface of the disc 305, the axis of the mounting shaft 306 being offset from the axis of the driving shaft 301;
  • the drive shaft 301, the disk 305, and the mounting shaft 306 have an integral structure.
  • the driving member 302, the disk 305 and the mounting shaft 306 are integrally driven, and the driving member 302 has good rigidity and can provide a larger driving force.
  • a guide groove 290 is disposed on the front and rear sides of the mounting base 300.
  • the bottom of the base 301 protruding from the body 291 and having the opening 292 is provided with a slot 293 that cooperates with the mounting seat 300.
  • a drive block slide hole 310 having an opening downward is provided on the main die holder 308.
  • the mounting shaft 306 of the driving member 302 is mounted on the output shaft of the main die holder driving motor 303 through the mounting base 300.
  • the driving block 304 is only rotatably mounted on the driving shaft 301 of the driving member 302, and the driving block 304 is slidable back and forth. Installed in the drive block slide hole 310.
  • the main die holder 308 is mounted in the receiving cavity 294 of the base body 307.
  • the two guiding slots 290 of the mounting seat 300 are slidably mounted on the two side walls 295 of the slot 293.
  • the end plate 296 is mounted on the end surface of the base body 307 at one end of the opening 292.
  • the main die base drive mechanism position adjusting mechanism includes a servo motor 297, a screw 298 fixed coaxially with the servo motor 297, and a screw hole 299 provided on the mounting base 300 to cooperate with the screw 298. Screw 298 is threaded through end plate 296 to threaded bore 299 of the mount and servo motor 297 is mounted on end plate 296.
  • the driving member 302 is driven to rotate by the main die holder driving motor 303.
  • the driving shaft 301 of the driving member 302 drives the driving block 304 to slide in the driving block sliding hole 310, and the driving block 304 drives the main die holder 308 to slide back and forth. Since the driving mechanism of the main die holder 308 drives the main die holder 308 directly by the driving member 302 and the driving block 304, the structure is simple and compact, and the precision of the main mold base 308 moving back and forth is greatly improved.
  • the linkage mechanism is omitted, the failure rate of the drive mechanism is greatly reduced, the drive reliability is improved, and the installation and commissioning of the main mold assembly and the main mold assembly drive mechanism are particularly simple, and the operation of the installation and commissioning equipment is greatly reduced.
  • the servo motor 297 drives the screw 298 to rotate, and the threaded hole 299 of the mounting base 300 cooperates with the screw 298 to drive the guiding groove 290 of the mounting base 300 to slide on the two side walls 295 of the slot 293, thereby finely adjusting the trim of the main die holder 308.
  • the upsetting machine also includes a pneumatic positioning device.
  • the pneumatic positioning device includes a cylinder 311 mounted on one side of the base body 307 and a positioning member 313 mounted on the cylinder piston 312.
  • a positioning groove 314 is provided on the main die holder 308 to cooperate with the positioning member 313.
  • the positioning member 313 is inserted into the positioning groove 314 to position the main die holder 308, which can effectively avoid the displacement of the vibration main mold base 308 during upsetting, and improve the upsetting precision and the quality of the workpiece.
  • the topping mechanism of all upset positions 315 includes a top bar 316, a top bar guide sleeve 317, a top bar drive member 318, and a drive top bar drive member 318 that are oriented back and forth along the axis of the top bar 316.
  • a jack 319 on the upset position 315 corresponds to a top bar 316 and a top bar guide sleeve 317.
  • the top bar guide sleeve 317 is mounted on the body 320, and one end of the top bar 316 extends into the top bar guide sleeve 317.
  • the upsetting machine further includes a front and rear position adjusting mechanism of the top material mechanism; a top bar 316 on the upsetting position 315 corresponds to a front and rear position adjusting mechanism of the top material mechanism.
  • the feed mechanism front and rear position adjustment mechanism includes a servo motor 321, a worm 322, a worm wheel 323, a mount 324, an external thread portion 325 provided at one end of the top rod 316, and a rotation stop mechanism for restricting rotation of the top rod 316 with respect to the worm wheel 323.
  • the mounting seat 324 is provided with an internally threaded hole 326 that engages with the external threaded portion 325 of the top bar 316, a worm wheel mounting hole 327 that communicates with the internally threaded hole 326 and is coaxial, and a worm mounting hole 328 that communicates with the worm wheel mounting hole 327.
  • the axis of the worm mounting bore 328 is perpendicular to the axis of the internally threaded bore 326.
  • An inner through hole 329 is provided in the worm 322.
  • the rotation preventing mechanism is a rotation preventing groove 330 provided on the external thread portion 325 of the top bar 316 and a rotation preventing strip 331 disposed on the through hole 329 in the worm 322.
  • the servo motor 321 is mounted on the mounting base 324.
  • One end of the worm 322 is fixed to the output shaft of the servo motor 321, and the other end is mounted on the mounting base 324.
  • the worm wheel 323 is installed in the hole of the worm wheel mounting hole 327 and is limited by the end cover 332.
  • the externally threaded portion 325 of the top bar 316 extends through the internally threaded bore 326 in the mount 324 into the inner through bore 329 of the worm gear 323.
  • the rotation preventing groove 331 of the inner through hole 329 of the worm wheel 323 extending into the external thread portion 325 of the top bar 316 restricts the rotation of the top bar 316 relative to the worm wheel 323, the mounting seat 324 does not move, and the servo motor 321 drives the worm 322.
  • the worm 322 drives the worm gear 323.
  • the external threaded portion 325 of the top rod 316 cooperates with the internally threaded hole 326 of the fixed seat to drive the top rod 316 to adjust the position of the top rod 316.
  • the top rod driving member driving device includes a servo motor 333 and a driving plate 335 provided with a driving shaft 334; the servo motor 333 is mounted on the body 320, and the driving plate 335 is mounted with the output shaft of the servo motor 333.
  • the axis of the drive shaft 334 is offset from the axis of the mounting shaft 336 on which the drive plate 335 is mounted.
  • a drive slot 337 is provided on the top bar drive member 318 to cooperate with the drive shaft 334; the drive shaft 334 extends into the drive slot 337.
  • the slewing drive member of the ejector mechanism is the drive plate 335.
  • the linear distance of the maximum stroke of the drive plate 335 in the ejection direction is twice the distance between the axis of the drive disk 335 and the axis of the drive shaft 334.
  • the pushing mechanism is the same as that of the first embodiment. Since the lever is added, the linear distance of the maximum stroke of the rotary driving member of the pushing mechanism in the ejection direction is much larger than the maximum stroke of the driving plate 335 of the receiving mechanism in the ejection direction. Straight line distance.
  • the upsetting machine further includes a clamp seat 338 and a clamp mechanism. A clamping mechanism is provided on all of the upsets 315 on the delivery and upset position 340.
  • the single clamping mechanism includes a servo motor 339, a left rotating shaft 343 fixed to the output shaft of the servo motor 339, and a left driving block 342 having a driving tooth 341 fixed to the left rotating shaft 343, and a left fixing block 344 fixed to the left fixing block 344.
  • the left caliper body 345 further includes a right driving block 347 provided with driving teeth 346, a right rotating shaft 348 fixed to the right driving block 347, a right fixing block 349, and a right caliper body 350 fixed to the right fixing block 349.
  • the left rotating shaft 343 is fixed to the left fixing block 344 through the clamp seat 338; the right rotating shaft 348 is fixed to the right fixing block 349 through the clamp seat 338; the driving teeth 346 of the right driving block 347 and the driving teeth 341 of the left driving block 342 are mutually Engage.
  • the large slider drive mechanism includes a servo motor 351, a link 352, a link rear cover 353, and a crankshaft 354. Both ends of the crankshaft 354 are mounted on the body 320 and fixed to the output shaft of the servo motor 351; one end of the link 352 is pivotally connected to the large slider 356 via the pivot shaft 355, and the other end of the link 352 is engaged with the eccentricity of the crankshaft 354. On the shaft 357, the link rear cover 353 is hugged on the eccentric shaft 357 of the crankshaft 354 and mounted with the link 352.
  • the working steps of the upsetting machine include the following steps:
  • the trimming die 358 in the main die holder 308 is placed in the trimming material position 359, and the wire corresponding to the trimming material position 359 is fed into the trimming die 358 in the main die holder 308 via the wire feeding mechanism;
  • the large slider drive mechanism drives the large slider 356 to move, and the die assembly 360 mounted on the large slider 356 moves toward the die assembly 361.
  • the final die 362 of the die assembly 360 has no workpiece, and is not on the upset position 315.
  • the die 363 without the upsetting; the punching and forging position 340 will open the blank clamped by the clamping mechanism into the upset forging die 364 of the coaxial axis, and the clamp is opened and the clamp is opened.
  • the die and the die 363 of the upset position 340 continue to upset the blank in the upset forging die 364; the die of the other upset position 315 punches the article held by the clamping mechanism into the die that is coaxial therewith.
  • the clamp is opened, and the die of the other upset position 315 after the clamp is opened continues to upset the workpiece in the upset forging die;
  • the large slider drive mechanism drives the large slider 356 to be reset, that is, the die assembly 360 mounted on the large slider 356 moves away from the die assembly 361, and the workpiece remains in the corresponding upset die;
  • the main mold base 308 drives the main mold assembly to slide, and the trimming mold 358 in the main mold base 308 is mounted on the main mold base 308 during sliding from the trim position 359 to the delivery and upsetting position 340.
  • the trimming die 358 cuts the wire to achieve a full round cut, the cut wire forms the blank required for the upset; the trimming die 358 moves to the delivery and upset position 340, and the blank follows the main die holder 308
  • the trimming die 358 moves together to the delivery and upset position 340; the workpiece in the upset die moves along with the main die holder 308 to the next upset position 315;
  • the trimming die 358 is moved to the delivery and upsetting position 340.
  • the large slider driving mechanism drives the large slider 356 to move, and the die of the upset position 315 is aligned with the upset forging 315 Upset forging of the upset die;
  • the large slider 356 starts to move toward the direction away from the main mold assembly, and the top rod 316 of the topping mechanism of the upsetting mechanism 315 corresponding to the final punching die 362 is the top rod 319 of the top main mold assembly.
  • the top ejector pin 319 pushes out the finished product in the upset die of the upsetting position 315; the topping mechanism of the upset position 315 corresponding to the other die, the clip on the upset position 315
  • the clamp closes the clamping piece and the part is separated from the upsetting die; during the topping process of the pushing mechanism of the feeding and upsetting position 340, the clamp of the feeding and upsetting position 340 closes the blank and the blank is removed from the cutting die 358;
  • Step (1) to step (3) are repeated cycles.
  • the die assembly 401 further includes a positioning mechanism disposed in the die assembly 401 to maintain the axis of the blank 402 and the die 403 coaxial.
  • the positioning mechanism includes three elastic pieces 404.
  • the elastic piece 404 includes a spring body 405, and the other end of the elastic body 405 is bent toward the same side of the fastening portion 406, and then the parallel elastic body 405 is bent and buckled away from the same.
  • the positioning portion 407 is bent at one side of the portion 406.
  • the die 403 is provided with a lateral abutting through hole 408 that engages with the engaging portion 406 and a lateral through hole 409 that engages with the positioning portion 407.
  • the die thimble 410 is provided with a cutout 411 that engages with the positioning portion 407.
  • the abutting portion of the elastic piece 404 is mounted in the abutting through hole 408 of the die 403, and the positioning portion 407 of the elastic piece 404 extends through the lateral through hole 409 of the die 403 into the die thimble 410.
  • the slab body 405 is placed between the die 403 and the die 403 sleeve.
  • the top rod driving device of the top material mechanism includes a mounting seat 1022 protruding from the rear side of the body 1021, a slider 1023, a toggle mechanism, and a topping mechanism. Position adjustment mechanism.
  • the mounting base 1022 is provided with a sliding slot 1024 for sliding the slider 1023 in the ejection direction of the top bar 1025.
  • the sliding slot 1024 is provided with a hollow arm mechanism and communicates with the sliding slot 1024 and the bottom hole of the mounting base 1022.
  • An adjustment space 1027 for providing movement of the front and rear position adjustment mechanism of the top material mechanism is provided on a side of the mounting base 1022 facing away from the body 1021.
  • the toggle mechanism includes a top servo motor 1028, a cam 1029, a first link 1030 rotatably pivoted together at one end, a second link 1031, and a third link 1032.
  • the driving rotary member is a first link 1030, a second link 1031, and a third link 1032.
  • the front and rear position adjustment mechanism of the top material mechanism includes an adjustment seat 1033, an adjustment screw 1034, and a servo motor 1035.
  • the slider 1023 is mounted on the sliding groove 1024 of the mounting base 1022 and is screwed to the top bar 1025 and pivotally connected to the other end of the first connecting rod 1030; the other end of the second connecting rod 1031 passes through the mounting base 1022
  • the hole 1026 is pivotally connected to a cam 1029 mounted on the top servo motor 1028.
  • the top servo motor 1028 is mounted on the bottom of the mounting base 1022.
  • the other end of the third link 1032 is pivotally connected to the adjustment seat 1033.
  • the adjusting screw 1034 is axially connected to the output shaft of the adjusting servo motor 1035 and is screwed with the threaded hole on the adjusting base 1033 in the direction in which the top rod 1025 is ejected.
  • the adjusting seat 1033 is disposed in the adjusting space 1027, and the adjusting servo motor 1035 is installed and installed. Block 1022.
  • the toggle mechanism drives the slider 1023 to reciprocate back and forth on the sliding slot 1024, thereby driving the top bar 1025 to perform the action of ejecting and resetting.
  • the adjustment servo motor 1035 causes the adjustment seat 1033 to reciprocally displace in the ejection direction of the top bar 1025 by controlling the rotation of the adjustment screw 1034, thereby realizing the front and rear position adjustment of the top material mechanism.
  • the embodiments disclosed in the present invention are all a trimming position, a delivery and upset position, four upset positions, and five punch seats respectively facing one of the delivery and upset positions and the four upset positions.
  • It can also be a trimming position, a delivery and upsetting position, three upsetting positions, and four punch seats respectively facing one of the delivery and upsetting positions and the three upsets. Even more upsets can be used for more punch seats.
  • These embodiments merely increase or decrease the number of upsets and die, which can be fully implemented according to embodiments of the present invention and will not be described in detail.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)

Abstract

L'invention concerne une machine à refouler, comprenant un corps de machine (1), un mécanisme d'éjection de matériau installé sur le corps de machine (1), le mécanisme d'éjection de matériau comprenant une tige d'éjection (145, 316, 1025) et un manchon de guidage de tige d'éjection (146, 317), un élément d'entraînement rotatif pour entraîner la tige d'éjection (145, 316, 1025) à se déplacer le long d'une ligne droite en va-et-vient au sein du manchon de guidage de tige d'éjection (146, 317) et un mécanisme d'entraînement ; le corps de machine est doté d'un trou traversant de montage de manchon de guidage de tige d'éjection sur lui ; le manchon de guidage de tige d'éjection (146, 317) est installé dans le trou traversant de montage de manchon de guidage de tige d'éjection et fixé sur le corps de machine (1) et la tige d'éjection (145, 316, 1025) peut être montée dans le manchon de guidage de tige d'éjection (146, 317) pour pouvoir se déplacer le long d'une ligne droite en va-et-vient ; le mécanisme d'entraînement comprend un servomoteur d'entraînement (156) pour entraîner le mouvement rotatif de l'élément d'entraînement rotatif ; l'élément d'entraînement rotatif est monté conjointement avec une partie extrémité de la tige d'éjection (145, 316, 1025). La présente invention est avantageuse en ce qu'une source d'alimentation de celle-ci est fournie par le servomoteur d'entraînement et, par conséquent, la source d'alimentation n'a pas besoin d'être la même que celle utilisée pour entraîner un vilebrequin, éliminant ainsi le mécanisme de transmission à phases multiples complexe et bien d'autres composants, permettant une structure simple, moins de bielles, une installation et un réglage faciles, rapides et commodes et une précision élevée, sans nécessiter d'opérateur hautement expérimenté sur site pour achever l'installation et le réglage.
PCT/CN2016/098264 2015-09-06 2016-09-06 Machine à refouler Ceased WO2017036425A1 (fr)

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CN201510563325.5 2015-09-06

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PCT/CN2016/098191 Ceased WO2017036423A1 (fr) 2015-09-06 2016-09-06 Machine à refouler
PCT/CN2016/098264 Ceased WO2017036425A1 (fr) 2015-09-06 2016-09-06 Machine à refouler

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PCT/CN2016/098191 Ceased WO2017036423A1 (fr) 2015-09-06 2016-09-06 Machine à refouler

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CN110039512A (zh) * 2019-05-29 2019-07-23 郑惠文 一种用于工业机器人的移动式轨道
CN111376456A (zh) * 2018-12-29 2020-07-07 台美德(厦门)智能科技有限公司 裁切摆盘一体机
CN111745125A (zh) * 2020-07-04 2020-10-09 湖北香城智能机电产业技术研究院有限公司 一种焊片冷墩成型设备上的坯料走料定位机构
CN114985658A (zh) * 2022-06-02 2022-09-02 江苏捷士金金属科技有限公司 一种磷铜球冷镦机冷镦设备及其加工工艺
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CN108746467A (zh) * 2018-05-30 2018-11-06 李勤华 一种扬声器t铁冷镦改良型上料装置
CN111376456A (zh) * 2018-12-29 2020-07-07 台美德(厦门)智能科技有限公司 裁切摆盘一体机
CN110039512A (zh) * 2019-05-29 2019-07-23 郑惠文 一种用于工业机器人的移动式轨道
CN110039512B (zh) * 2019-05-29 2023-11-28 苏州艾木自动化设备有限公司 一种用于工业机器人的移动式轨道
CN111745125A (zh) * 2020-07-04 2020-10-09 湖北香城智能机电产业技术研究院有限公司 一种焊片冷墩成型设备上的坯料走料定位机构
CN114985658A (zh) * 2022-06-02 2022-09-02 江苏捷士金金属科技有限公司 一种磷铜球冷镦机冷镦设备及其加工工艺
CN118635887A (zh) * 2024-06-20 2024-09-13 华能振兴(山东)电气设备有限公司 一种电器柜面板自动切割装置
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CN119897427A (zh) * 2025-04-01 2025-04-29 温州市固友机械有限公司 一种多功能复合冷镦机

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