CN211071399U - Automatic compensation mechanism for 3-piece matching wedge block bidirectional multipoint deflection of large bending machine - Google Patents
Automatic compensation mechanism for 3-piece matching wedge block bidirectional multipoint deflection of large bending machine Download PDFInfo
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- CN211071399U CN211071399U CN201922038575.3U CN201922038575U CN211071399U CN 211071399 U CN211071399 U CN 211071399U CN 201922038575 U CN201922038575 U CN 201922038575U CN 211071399 U CN211071399 U CN 211071399U
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- 238000005452 bending Methods 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 title claims abstract description 19
- 230000002457 bidirectional effect Effects 0.000 title claims description 23
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 152
- 229910052742 iron Inorganic materials 0.000 claims abstract description 71
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 12
- 230000001939 inductive effect Effects 0.000 claims description 12
- 235000000396 iron Nutrition 0.000 claims description 10
- 230000006872 improvement Effects 0.000 description 9
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
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Abstract
The utility model discloses a 3 two-way multiple spot amount of deflection automatic compensation mechanisms of cooperation wedge of large-scale bender belongs to the numerical control bender field, has solved the problem that traditional compensation mechanism can not realize horizontal compensation. The utility model discloses be equipped with the two-way compensation adjustment unit of multiunit between top panel and base, the two-way compensation adjustment unit is equipped with odd number group and uses workstation length central line as central symmetry arrangement on the base, every two-way compensation adjustment unit of group comprises 3 cooperation wedges, be respectively last down-tilting iron, well down-tilting iron and down-tilting iron, inclined plane between down-tilting iron and the well down-tilting iron inclines along base length direction, inclined plane between last down-tilting iron and the well down-tilting iron inclines along base width direction, down-tilting iron adopts the speed reducer drive, it adopts the servo motor drive to go up the down-tilting iron. The utility model discloses can be to the independent automatic two-way compensation of implementing of each compensation point, reduced the angle uniformity error and the work piece straightness accuracy error of the work piece of bending.
Description
Technical Field
The utility model belongs to numerical control bender field, concretely relates to 3 cooperation wedges of large-scale bender two-way multiple spot amount of deflection automatic compensation mechanisms.
Background
The large bending machine is widely applied to various industries such as airplanes, automobiles, electric appliances, machinery, shipbuilding, bridges and the like. The workpiece machined by the bending machine often has out-of-tolerance in the long-direction straightness and angle consistency of the workpiece. The reason for this kind of defect is that when freely bending is adopted, the distance between the oil cylinders fixed on the two upright posts is relatively large, the slide block and the workbench are elastically deformed after being stressed, so that the depth of the upper die relative to the lower die is not uniform in the longitudinal direction, the full-length consistency error and the full-length straightness error of the bending angle of the workpiece are caused, and the bending defect is also aggravated by the local abrasion of the bending die. Conventionally, the excessive difference of the straightness or the angle of a workpiece area is improved by adding a compensation block or a sizing block manually, which is time-consuming, labor-consuming and inefficient. The deflection compensation adopted conventionally at present adopts double-inclined-iron single longitudinal compensation, which is greatly helpful for improving the bending defect, but still has no solution to the bending defect caused by insufficient machine rigidity or die abrasion of local point positions.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a 3 two-way multiple spot amount of deflection automatic compensation mechanisms of cooperation wedges of large-scale bender to solve traditional compensation mechanism and can only carry out single vertical compensation, can not realize the problem of horizontal compensation.
The technical scheme of the utility model is that: a large-scale bending machine 3-piece matching wedge block bidirectional multi-point deflection automatic compensation mechanism comprises a base and an upper panel, wherein the upper panel is positioned above the base, the base is fixed on a workbench, a plurality of groups of bidirectional compensation adjustment units are arranged between the upper panel and the base, the bidirectional compensation adjustment units are provided with odd groups and are symmetrically arranged on the base by taking the length center line of the workbench as a center, each group of bidirectional compensation adjustment units consists of 3 pieces of matching wedge blocks which are respectively an upper inclined iron, a middle inclined iron and a lower inclined iron, the bottom surface of the lower inclined iron and the top surface of the upper inclined iron are both planes, inclined surface matching is respectively arranged between the lower inclined iron and the middle inclined iron and between the upper inclined iron and the middle inclined iron, an inclined surface between the lower inclined iron and the middle inclined iron inclines along the length direction of the base, an inclined surface between the upper inclined iron and the middle inclined iron inclines along the width direction of the base, a spacing sleeve is arranged between the adjacent lower inclined irons, and the spacing sleeve, the pull rod is driven by a speed reducer, the lower inclined iron is driven to move by the movement of the pull rod, and the upper inclined iron is driven by a servo motor.
As a further improvement, the inclined plane angle between a set of lower wedge and the middle wedge in the middle is zero, and the inclined plane angle between the lower wedge and the middle wedge is increased in sequence and the inclination direction is consistent from the center line of the workbench to both sides.
As the utility model discloses a further improvement all is connected with servo motor on every goes up the tapered iron, and servo motor installs on the base, goes up to be equipped with first screw on the tapered iron, and servo motor is connected with first screw through first lead screw.
As the utility model discloses a further improvement still includes the inductive switch and the spacing bolt of mutually supporting, and inductive switch passes through the switch seat to be connected on the base, and spacing bolted connection is on first screw, and every inductive switch all is connected with corresponding servo motor.
As the utility model discloses a further improvement, servo motor passes through the bearing frame to be connected on the base, and first lead screw passes through guide pin bushing location and installs on the bearing frame.
As a further improvement, the pull rod one end is equipped with the screw seat, is equipped with the second screw on the screw seat, has the second lead screw through threaded connection on the second screw, and the second lead screw links to each other with the speed reducer.
As a further improvement, the second screw rod is mounted on the support through a bearing, and the support is fixed at one end of the base.
As a further improvement of the utility model, the upper panel is connected above the base through the precompression spring.
As the utility model discloses a further improvement is equipped with direction stop gear between top panel and the base, and direction stop gear includes direction stop screw and distance cover, and direction stop screw passes through the distance cover to be connected with the base, and the distance cover is T shape, is equipped with the T shape hole of mutually supporting with the distance cover on the top panel, and the distance cover is located T shape downthehole and can reciprocate for T shape hole.
As a further improvement of the utility model, the base is provided with a through groove along the length direction, and a plurality of lower inclined irons are positioned in the through groove; be equipped with the cylindric lock on the well ironbar, the logical groove width of base is opened outward and is equipped with the guide way, and the vertical lift is done to the ironbar in cylindric lock and the guide way cooperation direction.
The utility model has the advantages that: the utility model provides a two-way compensation adjustment unit of constituteing by 3 cooperation wedges, down the wedge can carry out longitudinal compensation with well wedge cooperation, goes up the wedge and can carry out horizontal compensation with well wedge cooperation, the utility model discloses can be according to the material of work piece, thickness, the amount of deflection of slider and the workstation that length automatically regulated compensation bending process produced, according to the straightness accuracy and the angle out-of-tolerance condition of the work piece of making a book, can implement two-way compensation alone automatically to each compensation point, reduced the angle uniformity error and the work piece straightness accuracy error of the work piece of bending. The utility model discloses a numerical control system controls, and degree of automation is high, and the adjustment is convenient, has greatly improved the adjustment efficiency of amount of deflection compensation, has improved the production efficiency that the work piece was bent.
Drawings
Fig. 1 is a schematic front view of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is an enlarged view of section I of FIG. 1;
FIG. 4 is a view A-A of FIG. 2;
FIG. 5 is a view B-B of FIG. 2;
FIG. 6 is an enlarged view of section II of FIG. 1;
FIG. 7 is an enlarged view of section III of FIG. 2;
fig. 8 is a view C-C in fig. 2.
In the figure, 1-top panel; 2-a base; 3-upper wedge; 4-medium-grade-iron; 5-lower wedge; 6-a sleeve; 7-a pull rod; 8-plug screwing; 9-pre-compressed spring; 10-a screw; 11-a workbench; 12-distance sleeve; 13-a guide limit screw; 14-a nut seat; 15-a second screw; 16-a second lead screw; 17-a bearing; 18-a support; 19-a speed reducer; 20-an inductive switch; 21-a switch base; 22-a limit bolt; 23-a bearing seat; 24-a servo motor; 25-a guide groove; 26-a taper pin; 27-a first screw; 28-cylindrical pin; 29-a first lead screw; 30-a guide sleeve; 31-T-shaped holes; 32-connecting seat.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-8, a 3 cooperation wedges of large-scale bender two-way multiple spot amount of deflection automatic compensation mechanism, includes base 2 and top panel 1, and top panel 1 is located base 2 top, and base 2 passes through screw 10 to be fixed on workstation 11, its characterized in that: a plurality of groups of bidirectional compensation adjusting units are arranged between the upper panel 1 and the base 2, the bidirectional compensation adjusting units are provided with odd groups and are symmetrically arranged on the base 2 by taking the length center line of the workbench 11 as the center, each group of bidirectional compensation adjusting units consists of 3 matched wedges which are respectively an upper inclined iron 3, a middle inclined iron 4 and a lower inclined iron 5, the bottom surface of the lower inclined iron 5 and the top surface of the upper inclined iron 3 are both planes, and between the lower inclined iron 5 and the middle inclined iron 4, go up and be the inclined plane cooperation between the wedge 4 among the wedge 3, the inclined plane between lower wedge 5 and the well wedge 4 inclines along 2 length direction on the base, go up the inclined plane between wedge 3 and the well wedge 4 and incline along 2 width direction on the base, be equipped with spacer sleeve 6 between the adjacent lower wedge 5, a plurality of down wedges 5 link together through pull rod 7 with spacer sleeve 6, become a whole, pull rod 7 adopts speed reducer 19 drive, go up wedge 3 and adopt servo motor 24 to drive.
The bevel angle between the middle group of the lower inclined iron 5 and the middle inclined iron 4 is zero, the bevel angle between the lower inclined iron 5 and the middle inclined iron 4 increases in sequence from the center line of the workbench 11 to the two sides, and the bevel directions are consistent.
All be connected with servo motor 24 on every last down tube 3, servo motor 24 installs on base 2, is equipped with first screw 27 on going up the down tube 3, and servo motor 24 is connected with first screw 27 through first lead screw 29. An inner hole processed by a shaft head at one end of the first lead screw 29 is matched with the shaft of the servo motor 24.
The device also comprises an inductive switch 20 and a limit bolt 22 which are matched with each other, wherein the inductive switch 20 is connected to the base 2 through a switch seat 21, and the switch seat 21 is connected to the transverse end face of one side of the base 2 through a screw 10; the limit bolts 22 are connected to the first screw nut 27 through some transverse through holes of the base 2, and each of the induction switches 20 is connected to the corresponding servo motor 24.
The servo motor 24 is connected to the base 2 through a bearing seat 23, the bearing seat 23 is connected to the base 2 through a screw 10 and is positioned through a taper pin 26; the first lead screw 29 is positioned and mounted on the bearing seat 23 through a guide sleeve 30.
One end of the pull rod 7 is provided with a nut seat 14, the nut seat 14 is provided with a second nut 15, the second nut 15 is connected with a second lead screw 16 through threads, and the second lead screw 16 is connected with a speed reducer 19. The second lead screw 16 is inserted into the hollow shaft inner hole of the speed reducer 19 and transmits power by means of keys.
The second lead screw 16 is mounted on a support 18 through a bearing 17, and the support 18 is fastened to one end of the base 2 through a screw. The speed reducer 19 is mounted on the support 18 through a connecting seat 32, and the speed reducer 19 is connected with the connecting seat 32 and the connecting seat 32 is connected with the support 18 through screws.
The upper panel 1 is connected above the base 2 by a precompressed spring 9. The upper panel 1 is provided with a slotted hole for installing the pre-compression spring 9, a plug 8 is arranged in the slotted hole, and the plug is propped against the upper end of the pre-compression spring 9. The upper panel is supported by the pre-compressed spring with a certain vertical clearance from the base, but can move downwards after being loaded and keep a pressing state with the top surface of the upper inclined iron.
Be equipped with direction stop gear between top panel 1 and the base 2, direction stop gear includes direction stop screw 13 and distance cover 12, and direction stop screw 13 is connected with base 2 through distance cover 12, and distance cover 12 is the T shape, is equipped with the T shape hole 31 of mutually supporting with distance cover 12 on top panel 1, and distance cover 12 is located T shape hole 31 and can reciprocates for T shape hole 31.
A through groove along the length direction is formed in the base 2, and the plurality of lower inclined irons 5 are positioned in the through groove; be equipped with cylindric lock 28 on the well ironbar 4, base 2 logical groove width is opened outward and is equipped with guide way 25, and the vertical lift is done to the ironbar 4 in cylindric lock 28 and the cooperation direction of guide way 25.
The lower die of the bending machine is arranged on an upper panel 1, the upper panel 1 is supported on a base 2 in a floating mode through the elastic force of a pre-compression spring 9, when a workpiece is folded, the upper panel 1 continues to descend to compress the pre-compression spring 9, and after the workpiece is bent, the upper panel 1 is supported in a floating mode through the elastic force of the pre-compression spring 9. The multi-group bidirectional compensation adjusting unit synchronously reduces the heights of the middle inclined iron 4 and the upper inclined iron 3 by integrally and longitudinally moving the lower inclined iron 5 (namely along the length direction), and each upper inclined iron 3 is independently subjected to height lifting adjustment through the matching transmission of a screw rod and a nut pair by a servo motor 24 so as to be transversely adjusted (namely along the width direction).
The hollow shaft of the speed reducer 19 rotates to drive the second lead screw 16 to rotate, so that the second screw 15 drives the screw seat 14 and the lower inclined iron 5 to linearly link along the length direction of the base 2, the middle inclined iron 4 can move up and down under the action of an inclined plane matched with the length direction of the lower inclined iron 5, and the cylindrical pins 28 are installed at the two transverse ends of the middle inclined iron 4 and are matched with the guide grooves 25 on the width side of the guide groove of the base 2 for guiding. Therefore, the lower inclined iron is moved to move linearly leftwards, so that the upper inclined irons 3 of each group arranged in the longitudinal direction descend symmetrically and synchronously along the central line, namely the contact stress point of the upper panel 1 and the workbench 11 is adjusted to be a bulging curve which is symmetrical along the longitudinal direction and along the central line, the deflection of the workbench and the slide block after stress is offset, and the bending angle consistency of the workpiece is improved.
The upper inclined plane of the middle inclined iron 4 is matched with the lower inclined plane of the upper inclined iron 5 in the transverse direction, and each upper inclined iron 5 can move transversely under the guidance of the middle inclined iron 4 and simultaneously raise or lower the height of the upper inclined iron, so that the mechanical deflection of each adjusting point (namely each group of bidirectional compensation adjusting units) is independently adjusted. The transverse movement of the upper inclined iron 5 is driven by a servo motor 24, and a first lead screw 29 rotates to drive a first screw nut 27 to realize the transverse horizontal movement and lifting of the upper inclined iron 3. The limit position of the first screw 27 is detected by the inductive switch 20 and the limit bolt 22 matched with the inductive switch, when the limit position is reached, the inductive switch 20 sends a signal to the servo motor 24, and the servo motor 24 stops driving.
Claims (10)
1. The utility model provides a two-way multiple spot amount of deflection automatic compensation mechanism of 3 cooperation wedges of large-scale bender, includes base and top panel, the top panel is located the base top, the base is fixed on the workstation, its characterized in that: a plurality of groups of bidirectional compensation adjusting units are arranged between the upper panel (1) and the base (2), the bidirectional compensation adjusting units are provided with odd groups and are symmetrically arranged on the base (2) by taking the length center line of the workbench (11) as the center, each group of bidirectional compensation adjusting units consists of 3 matched wedges which are respectively an upper inclined iron (3), a middle inclined iron (4) and a lower inclined iron (5), the bottom surface of the lower inclined iron (5) and the top surface of the upper inclined iron (3) are planes, inclined planes are respectively arranged between the lower inclined iron (5) and the middle inclined iron (4) and between the upper inclined irons (4) in the upper inclined iron (3), inclined planes between the lower inclined iron (5) and the middle inclined iron (4) are inclined along the length direction of the base (2), inclined planes between the upper inclined irons (3) and the middle inclined irons (4) are inclined along the width direction of the base (2), and a spacing sleeve (6) is arranged between the adjacent lower inclined irons (5), the lower inclined irons (5) are connected with the spacing sleeve (6) through the pull rod (7), the pull rod (7) is driven by the speed reducer (19), and the upper inclined iron (3) is driven by the servo motor (24).
2. The automatic compensation mechanism for 3-piece matching wedge block bidirectional multi-point deflection of a large bending machine according to claim 1, is characterized in that: the bevel angle between the middle group of lower inclined iron (5) and the middle inclined iron (4) is zero, the bevel angle between the lower inclined iron (5) and the middle inclined iron (4) increases in sequence from the center line of the workbench (11) to the two sides, and the bevel angles are consistent in inclination direction.
3. 3-piece matching wedge block bidirectional multi-point deflection automatic compensation mechanism of a large bending machine according to claim 1 or 2, characterized in that: all be connected with servo motor (24) on every last down tube (3), servo motor (24) are installed on base (2), are equipped with first screw (27) on going up down tube (3), and servo motor (24) are connected with first screw (27) through first lead screw (29).
4. The automatic compensation mechanism for 3-piece matching wedge block bidirectional multi-point deflection of a large bending machine according to claim 3, characterized in that: still including inductive switch (20) and spacing bolt (22) of mutually supporting, inductive switch (20) are connected on base (2) through switch seat (21), spacing bolt (22) are connected on first screw (27), and every inductive switch (20) all are connected with corresponding servo motor (24).
5. The automatic compensation mechanism for 3-piece matching wedge block bidirectional multi-point deflection of a large bending machine according to claim 4, is characterized in that: the servo motor (24) is connected to the base (2) through a bearing seat (23), and the first lead screw (29) is installed on the bearing seat (23) through a guide sleeve (30).
6. 3-piece matching wedge block bidirectional multi-point deflection automatic compensation mechanism of a large bending machine according to claim 1 or 2, characterized in that: one end of the pull rod (7) is provided with a nut seat (14), a second nut (15) is arranged on the nut seat (14), the second nut (15) is connected with a second lead screw (16) through threads, and the second lead screw (16) is connected with a speed reducer (19).
7. The automatic compensation mechanism for 3-piece matching wedge block bidirectional multi-point deflection of a large bending machine according to claim 6, is characterized in that: the second lead screw (16) is arranged on a support (18) through a bearing (17), and the support (18) is fixed at one end of the base (2).
8. 3-piece matching wedge block bidirectional multi-point deflection automatic compensation mechanism of a large bending machine according to claim 1 or 2, characterized in that: the upper panel (1) is connected above the base (2) by a precompressed spring (9).
9. The automatic compensation mechanism for 3-piece fitted wedge bidirectional multi-point deflection of large bending machine according to claim 8, characterized in that: be equipped with direction stop gear between top panel (1) and base (2), direction stop gear includes direction stop screw (13) and distance cover (12), direction stop screw (13) are connected with base (2) through distance cover (12), distance cover (12) are T shape, are equipped with on top panel (1) and overlap the T shape hole (31) of (12) mutually supporting with the distance, and distance cover (12) are located T shape hole (31) and can reciprocate for T shape hole (31).
10. 3-piece matching wedge block bidirectional multi-point deflection automatic compensation mechanism of a large bending machine according to claim 1 or 2, characterized in that: a through groove along the length direction is formed in the base (2), and the plurality of lower inclined irons (5) are positioned in the through groove; the middle wedge (4) is provided with a cylindrical pin (28), the width of the through groove of the base (2) is externally opened with a guide groove (25), and the cylindrical pin (28) is matched with the guide groove (25) to guide the middle wedge (4) to vertically lift.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922038575.3U CN211071399U (en) | 2019-11-22 | 2019-11-22 | Automatic compensation mechanism for 3-piece matching wedge block bidirectional multipoint deflection of large bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922038575.3U CN211071399U (en) | 2019-11-22 | 2019-11-22 | Automatic compensation mechanism for 3-piece matching wedge block bidirectional multipoint deflection of large bending machine |
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| Publication Number | Publication Date |
|---|---|
| CN211071399U true CN211071399U (en) | 2020-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922038575.3U Expired - Fee Related CN211071399U (en) | 2019-11-22 | 2019-11-22 | Automatic compensation mechanism for 3-piece matching wedge block bidirectional multipoint deflection of large bending machine |
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| CN (1) | CN211071399U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115532889A (en) * | 2022-11-28 | 2022-12-30 | 河北汇中管道装备有限公司 | Large-scale bender amount of deflection compensation arrangement |
| CN117000831A (en) * | 2023-08-11 | 2023-11-07 | 安徽联盟模具工业股份有限公司 | A bending machine worktable deflection compensation device |
-
2019
- 2019-11-22 CN CN201922038575.3U patent/CN211071399U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115532889A (en) * | 2022-11-28 | 2022-12-30 | 河北汇中管道装备有限公司 | Large-scale bender amount of deflection compensation arrangement |
| CN117000831A (en) * | 2023-08-11 | 2023-11-07 | 安徽联盟模具工业股份有限公司 | A bending machine worktable deflection compensation device |
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Granted publication date: 20200724 |