CN111570595A - Multi-station hydraulic punching machine - Google Patents
Multi-station hydraulic punching machine Download PDFInfo
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- CN111570595A CN111570595A CN202010468412.3A CN202010468412A CN111570595A CN 111570595 A CN111570595 A CN 111570595A CN 202010468412 A CN202010468412 A CN 202010468412A CN 111570595 A CN111570595 A CN 111570595A
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- 238000004080 punching Methods 0.000 title abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 230000006835 compression Effects 0.000 claims description 28
- 238000007906 compression Methods 0.000 claims description 28
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 230000005526 G1 to G0 transition Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 5
- 238000003754 machining Methods 0.000 description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 210000001503 joint Anatomy 0.000 description 3
- 238000003825 pressing Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/14—Particular arrangements for handling and holding in place complete dies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Presses And Accessory Devices Thereof (AREA)
Abstract
The invention discloses a multi-station hydraulic punch press which comprises a bottom plate, wherein a vertical plate is fixedly connected to the rear side of the upper surface of the bottom plate, a top plate is fixedly connected to the upper surface of the vertical plate, a hydraulic cylinder is fixedly connected to the front side of the upper surface of the top plate, and a part of the hydraulic cylinder penetrates through the top plate. This multistation hydraulic press, through the bottom plate, the riser, the roof, cooperation between pneumatic cylinder and the punching press mechanism, operating personnel can support the pole to the inboard and then carry out the application of force to the joint seat and make the plectane rotate, make adjacent support the pole and run through the application of force behind the U template, and then can adjust the punching press head of different models size, and can rotate the square, adjust die plate position up of different size models, it is required to satisfy multistation processing, a plurality of punching press heads and die plate are not on same horizontal plane during, make the process range of punch press promote, practicality can strengthen.
Description
Technical Field
The invention relates to the technical field of hydraulic punching machines, in particular to a multi-station hydraulic punching machine.
Background
Hydraulic press adopts the hydro-cylinder stroke to accomplish once linear motion from top to bottom, inertia is minimum and can have shallow tensile function, hydraulic press is now by extensive application in each field, especially in machining, hydraulic press often can be used, in order to improve machining efficiency, reduce the required punch press figure of processing and be convenient for operating personnel and use, multistation hydraulic press can be widely used, still there is certain drawback in the multistation hydraulic press use among the current stage open technology, its a plurality of punching heads all are located same horizontal plane with a plurality of die plate, if meet the processing hole site when darker or the work piece volume is great in to the work piece course of working, the easy appearance is to need not the processing position and is processed the phenomenon and appear, its work application scope is comparatively limited, practicality remains to be strengthened.
Disclosure of Invention
The invention aims to provide a multi-station hydraulic punch press, which aims to solve the problems that a plurality of punching heads and a plurality of punching templates are positioned on the same horizontal plane, the phenomenon that machining is carried out on positions which do not need to be machined is easy to occur if the machining hole position is deep or the size of a workpiece is large in the machining process of the workpiece, the working application range is limited, and the practicability needs to be enhanced.
In order to achieve the purpose, the invention provides the following technical scheme: a multi-station hydraulic punch comprises a bottom plate, wherein a vertical plate is fixedly connected to the rear side of the upper surface of the bottom plate, a top plate is fixedly connected to the upper surface of the vertical plate, a hydraulic cylinder is fixedly connected to the front side of the upper surface of the top plate, a part of the hydraulic cylinder penetrates through the top plate, and a punching mechanism is arranged at the bottom end of the hydraulic cylinder;
the stamping mechanism comprises a U-shaped plate, a circular plate, a supporting rod, a joint seat, a stamping head, a groove, a first compression spring, a gasket, a resisting rod, a sliding groove, a sliding block, a vertical plate, a square block, a stamping plate and a cross rod;
the upper surface of the U-shaped plate is fixedly connected with the bottom end of a hydraulic cylinder, a circular plate is arranged at the bottom end of the inner side of the U-shaped plate, supporting rods are fixedly connected to the centers of the front and back surfaces of the circular plate, the supporting rods are rotatably connected with the U-shaped plate through ball bearings, a joint seat is fixedly connected to the outer wall of the circular plate in an annular manner, the outer side end of the joint seat is connected with a stamping head, a plurality of grooves are formed in the front surface of the circular plate at equal intervals, first compression springs are fixedly connected to the right ends of the insides of the grooves, gaskets are fixedly connected to the other ends of the first compression springs, abutting rods are fixedly connected to the other sides of the gaskets, a part of the abutting rods penetrate through the U-shaped plate, the outer walls of the abutting rods are in clearance fit with the contact surfaces of the U-shaped plate, sliding grooves are formed in the, the two vertical plates are fixedly connected to the left side and the right side of the upper surface of the bottom plate respectively, a square block is arranged between the two vertical plates, thread punching plates are fixedly connected to the upper surface and the lower surface of the front side and the lower surface of the back side of the square block in an embedded mode, a cross rod is fixedly connected to the centers of the left side and the right side of the square block, and the cross rod is rotatably connected with.
Preferably, the sliding groove and the sliding block form a sliding limiting structure
Preferably, the center points of the compression spring, the gasket and the abutting rod are all located on the same horizontal line.
Preferably, the outer wall of the cross rod on the left side is provided with a positioning mechanism;
the positioning mechanism comprises a first square tube, a second square tube, a handle, a telescopic rod and a second compression spring;
the inner wall of first square tube links to each other with the outer wall of left horizontal pole is fixed, the outer wall of first square tube cup joints the left side and has cup jointed the second square tube, the inner wall of second square tube and the contact surface clearance fit of first square tube, the equal rigid coupling in upper and lower both ends of second square tube has the handle, the equal rigid coupling in both ends has the telescopic link about the left surface of second square tube, the other end of telescopic link links to each other with the left fixed surface of left side riser, the outer wall of telescopic link has cup jointed second compression spring, both ends link to each other with left side riser and second square tube are fixed respectively about second compression spring.
Preferably, two of the second compression springs are vertically symmetrical with respect to a center point of the second square cylinder.
Preferably, the right end of the inner wall of the second square cylinder is processed with a round angle.
Preferably, a handle sleeve is fixedly sleeved on the outer wall of the handle.
Preferably, the upper end and the lower end of the front surface of the vertical plate are provided with reinforcing ribs;
the reinforcing ribs comprise right-angle plates and bolts;
the right-angle plates are respectively arranged at the upper end and the lower end of the front surface of the vertical plate from left to right, and the right-angle plates are fixedly connected with the vertical plate, the top plate and the bottom plate through bolts.
Compared with the prior art, the invention has the beneficial effects that: this multistation hydraulic press for traditional technique has following advantage:
this multistation hydraulic press through the cooperation between bottom plate, riser, roof, pneumatic cylinder and the punching press mechanism, operating personnel can inwards support to press and then carry out the application of force to the joint seat and make the plectane rotate to the pole that supports, makes adjacent support the pole and run through and stop the application of force behind the U template, and then can adjust the punching press head of different models size.
This multistation hydraulic press rotates through rotating the square, adjusts the die plate position up of not unidimensional model to it is required to satisfy multistation processing, and a plurality of punching press heads and die plate are not on same horizontal plane during, make the range of work of punch press promote, and the practicality can be strengthened.
This multistation hydraulic press, through the cooperation between bottom plate, riser, roof, pneumatic cylinder, punching press mechanism and the positioning mechanism, when having adjusted die plate towards the top, slowly loosen the effort to the second square section of thick bamboo and make the second square section of thick bamboo cup joint on the outer wall of first square section of thick bamboo, can carry on spacingly to first square section of thick bamboo for the stability of square and die plate can promote, does benefit to going on smoothly of punching press work.
This multistation hydraulic press, through the cooperation between bottom plate, riser, roof and the strengthening rib, the stability between increase riser that the right angle board can be obvious and bottom plate and the roof does benefit to the holistic permanent stable use of punch press.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection structure of the U-shaped plate, the circular plate and the punching head in FIG. 1;
FIG. 3 is a right side cross-sectional view of FIG. 2;
FIG. 4 is a schematic view of the connection structure of the U-shaped plate, the circular plate and the supporting rod in FIG. 3;
FIG. 5 is a schematic view of a connection structure of the vertical plate, the cross bar and the positioning mechanism in FIG. 1;
fig. 6 is a schematic view of the connection structure of the riser, the top plate and the reinforcing bars in fig. 1.
In the figure: 1. the device comprises a bottom plate, 2, a vertical plate, 3, a top plate, 4, a hydraulic cylinder, 5, a stamping mechanism, 501, a U-shaped plate, 502, a circular plate, 503, a supporting rod, 504, a joint seat, 505, a stamping head, 506, a groove, 507, a first compression spring, 508, a gasket, 509, a support rod, 510, a sliding groove, 511, a sliding block, 512, a vertical plate, 513, a square block, 514, a stamping plate, 515, a cross rod, 6, a positioning mechanism, 601, a first square barrel, 602, a second square barrel, 603, a handle, 604, a telescopic rod, 605, a second compression spring, 7, a reinforcing rib, 701 right-angle plates, 702 and bolts.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution:
example 1
As an optional situation, referring to fig. 1-5, the multi-station hydraulic press comprises a bottom plate 1, a vertical plate 2 is fixedly connected to the rear side of the upper surface of the bottom plate 1, a top plate 3 is fixedly connected to the upper surface of the vertical plate 2, a hydraulic cylinder 4 is fixedly connected to the front side of the upper surface of the top plate 3, the hydraulic cylinder 4 is in butt joint with an external oil control device through an oil supply pipe, a part of the hydraulic cylinder 4 penetrates through the top plate 3, a stamping mechanism 5 is arranged at the bottom end of the hydraulic cylinder 4, the stamping mechanism 5 comprises a U-shaped plate 501, a circular plate 502, a supporting rod 503, a joint seat 504, a stamping head 505, a groove 506, a first compression spring 507, a gasket 508, a resisting rod 509, a sliding chute 510, a sliding block 511, a vertical plate 512, a square 513, a stamping plate 514 and a cross bar 515, the upper surface of the U-shaped plate 501 is fixedly connected to the bottom end of the hydraulic cylinder 4, the center of the front and back surfaces of a circular plate 502 is fixedly connected with a supporting rod 503, the supporting rod 503 is rotatably connected with a U-shaped plate 501 through a ball bearing, the outer wall of the circular plate 502 is annularly and fixedly connected with a joint seat 504, the outer side end of the joint seat 504 is connected with a stamping head 505, the model of each stamping head 505 is different, the front surface of the circular plate 502 is equidistantly provided with a plurality of grooves 506, the inner right end of each groove 506 is fixedly connected with a first compression spring 507, the coefficient of the first compression spring 507 is 3-8N/CM, the other end of the first compression spring 507 is fixedly connected with a gasket 508, the other surface of the gasket 508 is fixedly connected with a resisting rod 509, a part of the resisting rod penetrates through the U-shaped plate 501, the outer wall of the resisting rod 509 is in clearance fit with the contact surface of the U-shaped plate 501, the upper and lower ends of the inner wall of the groove 506 are respectively provided with a sliding, two vertical plates 512 are respectively and fixedly connected to the left side and the right side of the upper surface of the bottom plate 1, a square 513 is arranged between the two vertical plates 512, die plates 514 are fixedly connected to the upper surface and the lower surface of the front side and the rear side of the square 513 through threads, the die plates 514 are different in size of each die plate 514, a cross rod 515 is fixedly connected to the centers of the left side and the right side of the square 513, the cross rod 515 is rotatably connected to the vertical plates 512 through ball bearings, the sliding grooves 510 and the sliding blocks 511 form a sliding limiting structure, the sliding grooves 510 can limit the sliding blocks 511, the sliding blocks 511 can slide left and right inside the sliding grooves 510, but the sliding blocks 511 cannot move up, down, front and back, and forth inside the sliding grooves 510, the central points of the compression springs 507, the gaskets 508 and the.
The scheme in this embodiment can carry out selective combination with the scheme in other embodiments and use, and then through the bottom plate, the riser, the roof, cooperation between pneumatic cylinder and the punching press mechanism, operating personnel can to the pole inboard support press then carry out the application of force to the joint seat and make the plectane rotate, make adjacent pole that supports run through and stop the application of force behind the U template, and then can adjust the punching press head of different model sizes, rotate through rotating the square, the die plate upper position of adjustment different size models, it is required to satisfy multistation processing, a plurality of punching press heads and die plate are not on same horizontal plane during, make the range of work of punch press promote, practicality can strengthen.
Example 2
As an optional situation, referring to fig. 1 and 5, in the multi-station hydraulic press, the outer wall of the left cross bar 515 is provided with a positioning mechanism 6, the positioning mechanism 6 includes a first square tube 601, a second square tube 602, a handle 603, an expansion link 604 and a second compression spring 605, the inner wall of the first square tube 601 is fixedly connected with the outer wall of the left cross bar 515, the outer wall of the first square tube 601 is sleeved with the left side of the left side, both ends are fixed continuous with left side riser 512 and second square tube 602 respectively about second compression spring 605, two second compression springs 605 are relative with the central point longitudinal symmetry of second square tube 602, can make two second compression springs 605 carry out even application of force to second square tube 602, the inner wall right-hand member processing of second square tube 602 has the fillet, be convenient for second square tube 602 cup joints the outer wall at first square tube 601, the fixed cover of outer wall of handle 603 has been connected handle cover, handle cover is made for the rubber material, certain toughness has, can increase the frictional force of handle 603 outer wall.
The scheme in this embodiment can carry out selective combination with the scheme in other embodiments and use, and then through the cooperation between bottom plate, riser, roof, pneumatic cylinder, punching press mechanism and the positioning mechanism, when having adjusted die plate orientation top, slowly unclamp the effort to the second square cylinder and make the second square cylinder cup joint on the outer wall of first square cylinder, can carry on spacingly to first square cylinder for the stability of square and die plate can promote, does benefit to going on smoothly of punching press work.
Example 3
As an optional situation, referring to fig. 1 and 6, the upper and lower ends of the front surface of the vertical plate 2 of the multi-station hydraulic press are provided with reinforcing ribs 7, each reinforcing rib 7 comprises a right-angle plate 701 and a bolt 702, the right-angle plates 701 are respectively located at the upper and lower ends of the front surface of the vertical plate 2 from left to right, and the right-angle plates 701 are respectively fixedly connected with the vertical plate 2, the top plate 3 and the bottom plate 1 through the bolts 702.
The scheme in this embodiment can carry out selective combination with the scheme in other embodiments and use, and then through the cooperation between bottom plate, riser, roof and the strengthening rib, the stability between increase riser that the right-angle board can be obvious and bottom plate and the roof does benefit to the holistic permanent stable use of punch press.
The working principle is as follows: when the multi-station hydraulic press is used, firstly, a workpiece to be processed is placed above a block 513 and attached to the upper surface of a die plate 514, then the U-shaped plate 501, the circular plate 502, the supporting rod 503, the joint seat 504 and the punch head 505 move downwards together in the control hydraulic cylinder 4, so that the punch head 505 performs punching operation on the workpiece, an operator can press the pressing rod 509 inwards and then apply force to the joint seat 504 to rotate the circular plate 502, so that the adjacent pressing rod 509 penetrates through the U-shaped plate 501 to stop applying force, further, the punch heads 505 with different sizes can be adjusted, meanwhile, the operator applies force to the handle 603 to move the second square cylinder 602 to the left side, the second compression spring 605 compresses to separate the second square cylinder 602 from the first square cylinder 601, at this time, the block 513 can be rotated to adjust the upward positions of the die plates 514 with different sizes, then slowly loosen the effort to second square tube 602 and make second square tube 602 cup joint on the outer wall of first square tube 601, can carry on spacingly to first square tube 601 for the stability of square 513 and die plate 514 can promote, and it is required to satisfy multistation processing, and a plurality of punching press heads and die plate are not on same horizontal plane during, make the range of work of punch press promote, and the practicality can be strengthened.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a multistation hydraulic press, includes bottom plate (1), its characterized in that: a vertical plate (2) is fixedly connected to the rear side of the upper surface of the bottom plate (1), a top plate (3) is fixedly connected to the upper surface of the vertical plate (2), a hydraulic cylinder (4) is fixedly connected to the front side of the upper surface of the top plate (3), a part of the hydraulic cylinder (4) penetrates through the top plate (3), and a stamping mechanism (5) is arranged at the bottom end of the hydraulic cylinder (4);
the stamping mechanism (5) comprises a U-shaped plate (501), a circular plate (502), a supporting rod (503), a joint seat (504), a stamping head (505), a groove (506), a first compression spring (507), a gasket (508), a resisting rod (509), a sliding groove (510), a sliding block (511), a vertical plate (512), a square block (513), a stamping plate (514) and a cross rod (515);
the upper surface of U template (501) links to each other with the bottom stationary phase of pneumatic cylinder (4), the inboard bottom of U template (501) is equipped with circular plate (502), the equal rigid coupling in front and back both sides center of circular plate (502) has branch (503), branch (503) rotate with U template (501) through ball bearing and link to each other, the outer wall of circular plate (502) is annular rigid coupling and has joint seat (504), the outside end of joint seat (504) is connected with stamping head (505), a plurality of recesses (506) have been seted up to the front surface equidistance of circular plate (502), the inside right-hand member rigid coupling of recess (506) has first compression spring (507), the other end rigid coupling of first compression spring (507) has gasket (508), the another side rigid coupling of gasket (508) has support rod (509), support rod (509) partly run through U template (501), support rod (509) the outer wall and the contact surface clearance fit of U template (501), both ends have all seted up spout (510) about the inner wall of recess (506), the inside slip joint of spout (510) has slider (511), two slider (511) rigid coupling is both ends about the outer wall of gasket (508) respectively, two riser (512) rigid coupling is in the upper surface left and right sides of bottom plate (1) respectively, two be equipped with square (513) between riser (512), the screw thread rigid coupling has die plate (514) all to imbed in two sides about the front and back of square (513), the equal rigid coupling in left and right sides center of square (513) has horizontal pole (515), horizontal pole (515) rotate with riser (512) through ball bearing and link to each other.
2. The multi-station hydraulic press according to claim 1, wherein: the sliding groove (510) and the sliding block (511) form a sliding limiting structure.
3. The multi-station hydraulic press according to claim 1, wherein: the central points of the compression spring (507), the gasket (508) and the resisting rod (509) are all positioned on the same horizontal line.
4. The multi-station hydraulic press according to claim 1, wherein: the outer wall of the cross rod (515) on the left side is provided with a positioning mechanism (6);
the positioning mechanism (6) comprises a first square tube (601), a second square tube (602), a handle (603), a telescopic rod (604) and a second compression spring (605);
the inner wall of the first square tube (601) is fixedly connected with the outer wall of the left cross rod (515), the outer wall of the first square tube (601) is sleeved with the left side of the outer wall of the second square tube (602), the inner wall of the second square tube (602) is in clearance fit with the contact surface of the first square tube (601), handles (603) are fixedly connected to the upper end and the lower end of the second square tube (602), telescopic rods (604) are fixedly connected to the upper end and the lower end of the left surface of the second square tube (602), the other end of each telescopic rod (604) is fixedly connected with the left surface of the left vertical plate (512), a second compression spring (605) is sleeved on the outer wall of each telescopic rod (604), and the left end and the right end of each second compression spring (605) are fixedly connected with the left vertical plate (512) and the second square tube (602) respectively.
5. The multi-station hydraulic press according to claim 4, wherein: the two second compression springs (605) are vertically symmetrical relative to the center point of the second square barrel (602).
6. The multi-station hydraulic press according to claim 4, wherein: and the right end of the inner wall of the second square cylinder (602) is processed with a fillet.
7. The multi-station hydraulic press according to claim 4, wherein: the outer wall of the handle (603) is fixedly sleeved with a handle sleeve.
8. The multi-station hydraulic press according to claim 1, wherein: reinforcing ribs (7) are arranged at the upper end and the lower end of the front surface of the vertical plate (2);
the reinforcing rib (7) comprises a right-angle plate (701) and a bolt (702);
a plurality of right-angle plates (701) are respectively arranged at the upper end and the lower end of the front surface of a vertical plate (2) from left to right, and the right-angle plates (701) are fixedly connected with the vertical plate (2), a top plate (3) and a bottom plate (1) through bolts (702).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010468412.3A CN111570595A (en) | 2020-05-28 | 2020-05-28 | Multi-station hydraulic punching machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010468412.3A CN111570595A (en) | 2020-05-28 | 2020-05-28 | Multi-station hydraulic punching machine |
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| CN111570595A true CN111570595A (en) | 2020-08-25 |
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| CN202010468412.3A Withdrawn CN111570595A (en) | 2020-05-28 | 2020-05-28 | Multi-station hydraulic punching machine |
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| CN112775243A (en) * | 2020-12-28 | 2021-05-11 | 安吉金标家具厂 | Butterfly chassis one-time forming device for swivel chair |
| CN113649478A (en) * | 2021-08-31 | 2021-11-16 | 浙江安胜科技股份有限公司 | Stainless steel container forming die capable of being replaced quickly and automatically |
| CN113649479A (en) * | 2021-08-31 | 2021-11-16 | 浙江安胜科技股份有限公司 | Ejecting type stainless steel container forming die capable of being replaced quickly |
| CN117983695A (en) * | 2024-04-03 | 2024-05-07 | 国网山西省电力公司经济技术研究院 | A kind of electric power platform steel grating formwork repair equipment and repair method thereof |
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| US4862782A (en) * | 1988-05-02 | 1989-09-05 | Ernst Robert E | Turret punch press tool assembly |
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| CN210231277U (en) * | 2019-04-15 | 2020-04-03 | 中宁县华中豪天建筑工程有限公司 | Riveting device for hardware elastic hook |
Cited By (4)
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