CN210817103U - Metal sheet stamping anti-deformation mechanism - Google Patents
Metal sheet stamping anti-deformation mechanism Download PDFInfo
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- CN210817103U CN210817103U CN201921503078.XU CN201921503078U CN210817103U CN 210817103 U CN210817103 U CN 210817103U CN 201921503078 U CN201921503078 U CN 201921503078U CN 210817103 U CN210817103 U CN 210817103U
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- stamping
- guide groove
- hook
- metal sheet
- bottom plate
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- 239000002184 metal Substances 0.000 title claims abstract description 59
- 230000007246 mechanism Effects 0.000 title claims abstract description 47
- 230000002265 prevention Effects 0.000 claims abstract description 20
- 238000000926 separation method Methods 0.000 claims abstract description 12
- 230000000903 blocking effect Effects 0.000 claims abstract description 11
- 238000004080 punching Methods 0.000 claims description 29
- 230000007704 transition Effects 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000011888 foil Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 230000009471 action Effects 0.000 description 6
- 238000003825 pressing Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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Abstract
A first guide groove is formed in the middle of one side, facing a stamping bottom plate, of a metal sheet stamping deformation prevention mechanism along the length direction, and a plurality of through holes communicated with the first guide groove are formed in the metal sheet stamping deformation prevention mechanism; an opening is formed in the middle of the metal sheet stamping anti-deformation mechanism, and a first blocking piece protrudes and extends towards the middle of the opening at the corner of the opening; the opening part is penetrated and provided with a movable stop dog, a plurality of stop dog via holes are arranged on the movable stop dog, a second separation blade is arranged at the edge of the movable stop dog in a protruding mode, and the second separation blade is movably abutted to the first separation blade. Therefore, the metal sheet can be prevented from deforming in the stamping process, and the product percent of pass is improved.
Description
Technical Field
The utility model relates to a metal button production technical field, especially a sheetmetal punching press deformation mechanism of preapring for an unfavorable turn of events.
Background
The metal snap fastener comprises four components: surface fastener, female fastener, male fastener and spike. Wherein because a projection of pin and the middle part of spike need punching press to come out, because structural strength needs and guarantees the homogeneity of extending, need carry out the punching press step by step on the sheet metal, and need punch out the bulge loop of different diameters in several specific positions, consequently need punch through many processes. In the existing stamping process, the metal sheet is possibly bonded with the stamping column after the stamping action of the stamping column, and the stamping column can move the metal sheet upwards along with the stamping column when the stamping column is upwards withdrawn, so that the metal sheet is deformed, and the qualification rate of products is influenced.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a can prevent that the sheetmetal from warping, improving the sheetmetal punching press of product percent of pass and prevent deformation mechanism in stamping process to solve above-mentioned problem.
A first guide groove is formed in the middle of one side, facing a stamping bottom plate, of a metal sheet stamping deformation prevention mechanism along the length direction, and a plurality of through holes communicated with the first guide groove are formed in the metal sheet stamping deformation prevention mechanism; an opening is formed in the middle of the metal sheet stamping anti-deformation mechanism, and a first blocking piece protrudes and extends towards the middle of the opening at the corner of the opening; the opening part is penetrated and provided with a movable stop dog, a plurality of stop dog via holes are arranged on the movable stop dog, a second separation blade is arranged at the edge of the movable stop dog in a protruding mode, and the second separation blade is movably abutted to the first separation blade.
Furthermore, a plurality of stamping grooves are formed in the stamping bottom plate.
Furthermore, a moving assembly is arranged on the outer side of one end of the stamping bottom plate along the length direction, and the moving assembly comprises a fixed block and a moving mechanism arranged on the fixed block; the top surface of the fixed block is provided with a second guide groove, and a third guide groove is arranged below the second guide groove in a penetrating manner; the moving mechanism comprises a moving rod arranged in the third guide groove in a sliding manner, a clamping hook rotationally connected to one end, facing the stamping bottom plate, of the moving rod, a butting column connected with the middle of the moving rod and a spring connected with one end, far away from the clamping hook, of the moving rod; an avoidance groove communicated with the third guide groove is formed in the side of the fixed block, and the abutting column penetrates through the avoidance groove; one end of the spring, which is far away from the moving rod, is fixedly arranged relative to the fixed block.
Furthermore, a transition groove is formed in one side, facing the stamping bottom plate, of the third guide groove, and the bottom surface of the transition groove is an inclined surface or a curved surface.
Further, the weight of the bottom of the hook is greater than the weight of the top of the hook.
Further, the size of the bottom of the hook is larger than the size of the top of the hook.
Further, the shape of the clamping hook is in a water drop shape.
Compared with the prior art, the metal sheet stamping deformation-preventing mechanism of the utility model is provided with a first guide groove towards the middle part of one side of the stamping bottom plate along the length direction, and the metal sheet stamping deformation-preventing mechanism is provided with a plurality of via holes communicated with the first guide groove; an opening is formed in the middle of the metal sheet stamping anti-deformation mechanism, and a first blocking piece protrudes and extends towards the middle of the opening at the corner of the opening; the opening part is penetrated and provided with a movable stop dog, a plurality of stop dog via holes are arranged on the movable stop dog, a second separation blade is arranged at the edge of the movable stop dog in a protruding mode, and the second separation blade is movably abutted to the first separation blade. Therefore, the metal sheet can be prevented from deforming in the stamping process, and the product percent of pass is improved.
Drawings
Embodiments of the present invention are described below with reference to the accompanying drawings, in which:
fig. 1 is a schematic perspective view of a metal snap fastener mold with the metal sheet stamping deformation prevention mechanism provided by the utility model.
Fig. 2 is a perspective view of the lower die unit in fig. 1.
Fig. 3 is a perspective view of the upper die unit in fig. 1.
Fig. 4 is a partially exploded schematic view of the lower die unit in fig. 1.
Fig. 5 is a side schematic view of the moving mechanism of fig. 4.
Fig. 6 is a schematic view of the deformation-preventing mechanism for sheet metal stamping provided by the present invention.
Detailed Description
The following describes in further detail specific embodiments of the present invention based on the drawings. It should be understood that the description herein of embodiments of the invention is not intended to limit the scope of the invention.
Referring to fig. 1, the metal snap fastener mold with the anti-deformation mechanism for stamping metal sheet provided by the present invention includes a lower mold unit 10 fixed on a machine platform and an upper mold unit 20 movably disposed above the lower mold unit 10, wherein the lower mold unit 10 is provided with a lower mold assembly 30.
Referring to fig. 2, the lower mold assembly 30 includes a stamping bottom plate 31, a sheet metal stamping deformation prevention mechanism 32 disposed on the stamping bottom plate 31, and a moving assembly 33 disposed at an outer side of one end of the stamping bottom plate 31 along a length direction.
The moving assembly 33 includes a fixed block 3301 and a moving mechanism 333 disposed on the fixed block 3301.
The top surface of the fixed block 3301 is provided with a second guide slot 331, the top surface of the fixed block 3301 is provided with an elastic pressing piece 332, two sides of the elastic pressing piece 332 are respectively fixedly connected with the top surface of the fixed block 3301 and the positions of the two sides of the second guide slot 331, and the elastic pressing piece 332 is provided with an elastic part located in the second guide slot 331.
Referring to fig. 3, the bottom surface of the upper die unit 20 is provided with a mounting block 21, and a plurality of punching columns 22 and a punching column 23 are distributed on the bottom surface of the mounting block 21 along the length direction. The diameter of the punch post 23 is greater than the diameter of either punch post 22.
The bottom surface of the upper die unit 20 is also provided with a pushing block 24 in a protruding manner, the bottom of the pushing block 24 is provided with an inclined surface 241, and the height of one end of the inclined surface 241 far away from the mounting block 21 is lower than that of one end of the inclined surface 241 close to the mounting block 21.
The blanking columns 23 are located adjacent to the pusher block 22.
Referring to fig. 4 and 5, the stamping bottom plate 31 is provided with a plurality of stamping grooves 311.
The fixed block 3301 is provided with a third guide groove 3302 passing below the second guide groove 331, a transition groove 3303 is provided at one side of the third guide groove 3302 facing the punch base plate 31, and a bottom surface of the transition groove 3303 is an inclined surface or a curved surface. The moving mechanism 333 includes a moving rod 3331 slidably disposed in the third guide slot 3302, a hook 3332 rotatably connected to one end of the moving rod 3331 facing the punch bottom plate 31, an abutting post 3334 connected to a middle portion of the moving rod 3331, a spring 3335 connected to one end of the moving rod 3331 far from the hook 3332, a fixed post 3336 fixedly connected to one side of the fixed block 3301 far from the punch bottom plate 31, and a limit plate 3337 protrudingly disposed on the fixed post 3336 and extending toward the spring 3335. The limit plate 3337 is movably inserted into the spring 3335 to fix one end of the spring 3335.
The side of fixed block 3301 is seted up with the dodging groove of third guide slot 3302 intercommunication, and the butt post 3334 passes and dodges the groove.
The weight of the bottom of the hook 3332 is greater than that of the top, and in a natural state, due to the action of gravity, the bottom of the hook 3332 faces downwards, and the top of the hook faces upwards; when the movable rod 3331 moves toward the side away from the punch bottom plate 31, the bottom of the hook 3332 abuts against the transition groove 3303, forcing the hook 3332 to rotate clockwise in fig. 5 to the horizontal state. When the hook 3332 is a homogeneous material, the bottom of the hook 3332 is larger than the top. In this embodiment, the hook 3332 has a droplet shape.
The metal sheet 100 to be processed passes through the first and second guide grooves 321 and 331 and is at least partially located below the elastic pressing piece 332.
Punching press post 22 movably passes via hole 322 and punches to sheetmetal 100, and a plurality of punching press posts 22's diameter is different, and from keeping away from one side of punching press post 23 to being close to one side crescent of punching press post 23, and a plurality of punching press posts 22 carry out the punching press to sheetmetal 100 in proper order to at the projection of sheetmetal 100 punching press out specific shape, realize punching press step by step, guaranteed the homogeneity of structural strength and extension.
The punching column 23 punches around the convex column on the metal sheet 100, so that the punched part is the product, and a circular gap is formed on the metal sheet 100.
The top of the hook 3332 extends into the notch of the metal sheet 100, under the action of the spring 3335, the hook 3332 moves towards the direction away from the stamping bottom plate 31, so that the metal sheet 100 is pulled to move, and after the hook 3332 moves for a certain distance, due to the abutting action of the transition groove 3303, the hook 3332 gradually rotates to a horizontal state, so that the hook 3332 is separated from the metal sheet 100; when the upper die unit 20 moves downwards, the inclined surface 241 of the pushing block 24 contacts the abutting column 3334 and pushes the abutting column 3334 to move towards the punching bottom plate 31, so that the moving rod 3331 overcomes the elastic force of the spring 3335 and moves towards the punching bottom plate 31, and after the hook 3332 is separated from the transition groove 3303, the hook 3332 returns to a natural state, that is, the bottom of the hook 3332 faces downwards, the top of the hook 3332 faces upwards, and the top of the hook 3332 extends into the next gap of the metal sheet 100.
So automatically move the sheetmetal and the distance of removing the sheetmetal at every turn equals, guaranteed that the position center that the punching press was when different punching press processes all aligns, improve product quality and improve work efficiency.
Referring to fig. 4 and 6, the metal sheet stamping deformation preventing mechanism 32 is provided with adjusting grooves 323 respectively at two sides of one end of the first guide groove 321, and an adjusting block 324 is movably disposed in the adjusting grooves 323.
The sheet metal stamping deformation prevention mechanism 32 is provided with a first threaded hole in the outer side of the adjusting groove 323 in a penetrating manner, the first threaded hole is connected with an adjusting screw 325 in a threaded manner, and one end of the adjusting screw 325 is abutted to the adjusting block 324.
The bottom walls of the adjusting groove 323 and the first guide groove 321 are provided with a long hole 327, the adjusting block 324 is provided with a second threaded hole, and a locking screw 326 passes through the long hole 327 and is in threaded connection with the second threaded hole of the adjusting block 324.
When the locking screw 326 is loosened, the position of the adjusting block 324 in the adjusting groove 323 can be adjusted by rotating the adjusting screw 325, and the adjusting block 324 can be fixed relative to the sheet metal stamping deformation prevention mechanism 32 by locking the locking screw 326 at the adjusted position.
The opposite sides of the two adjusting blocks 324 are both inclined surfaces, and the distance between the two adjusting blocks 324 is gradually reduced from the edge of the sheet metal stamping deformation prevention mechanism 32 to the position close to the middle part of the sheet metal stamping deformation prevention mechanism 32. A guide opening is formed to facilitate the entry of the metal sheet 100 into the first guide groove 321 of the sheet metal press deformation preventing mechanism 32.
Since the metal sheet 100 may be adhered to the punching column 22 after the punching action of the punching column 22, when the punching column 22 is withdrawn upwards, the metal sheet 100 will be moved upwards, so that the metal sheet 100 is deformed, and the yield of the product is affected.
Therefore, an opening 328 is formed in the middle of the metal sheet stamping deformation prevention mechanism 32, a first blocking piece 3281 protrudes and extends from the corner of the opening 328 towards the middle of the opening 328, a movable blocking piece 329 penetrates through the opening 328, a plurality of blocking piece through holes 3291 are formed in the movable blocking piece 329, and a second blocking piece 3292 protrudes from the corner of the movable blocking piece 329.
The second stop 3292 is movably engaged with the first stop 3281 to prevent the movable stop 329 from disengaging the sheet metal stamping deformation prevention mechanism 32.
Part of the punching column 22 passes through the stopper through hole 3291, and the movable stopper 329 presses the metal sheet 100 under the action of gravity, so that the metal sheet 100 is prevented from being deformed along with the upward movement of the punching column 22.
Compared with the prior art, the middle part of one side of the sheet metal stamping deformation prevention mechanism facing the stamping bottom plate 31 is provided with a first guide groove 321 along the length direction, and the sheet metal stamping deformation prevention mechanism 32 is provided with a plurality of through holes 322 communicated with the first guide groove 321; an opening 328 is formed in the middle of the metal sheet stamping deformation preventing mechanism 32, and a first blocking piece 3281 protrudes and extends from the corner of the opening 328 towards the middle of the opening 328; the opening 328 is provided with a movable stopper 329 in a penetrating manner, the movable stopper 329 is provided with a plurality of stopper via holes 3291, the corner of the movable stopper 329 is provided with a second stopper 3292 in a protruding manner, and the second stopper 3292 is movably abutted against the first stopper 3281. Therefore, the metal sheet can be prevented from deforming in the stamping process, and the product percent of pass is improved.
The above description is only for the preferred embodiment of the present invention and should not be construed as limiting the scope of the present invention, and any modification, equivalent replacement or improvement within the spirit of the present invention is encompassed by the claims of the present invention.
Claims (7)
1. The utility model provides a foil punching press deformation mechanism of preapring for an unfavorable turn of events, sets up on a punching press bottom plate, its characterized in that: the middle part of one side, facing the stamping bottom plate, of the metal sheet stamping deformation-preventing mechanism is provided with a first guide groove along the length direction, and the metal sheet stamping deformation-preventing mechanism is provided with a plurality of through holes communicated with the first guide groove; an opening is formed in the middle of the metal sheet stamping anti-deformation mechanism, and a first blocking piece protrudes and extends towards the middle of the opening at the corner of the opening; the opening part is penetrated and provided with a movable stop dog, a plurality of stop dog via holes are arranged on the movable stop dog, a second separation blade is arranged at the edge of the movable stop dog in a protruding mode, and the second separation blade is movably abutted to the first separation blade.
2. The sheet metal stamping deformation prevention mechanism of claim 1, wherein: and the stamping bottom plate is provided with a plurality of stamping grooves.
3. The sheet metal stamping deformation prevention mechanism of claim 1, wherein: the outer side of one end of the stamping bottom plate along the length direction is provided with a moving assembly, and the moving assembly comprises a fixed block and a moving mechanism arranged on the fixed block; the top surface of the fixed block is provided with a second guide groove, and a third guide groove is arranged below the second guide groove in a penetrating manner; the moving mechanism comprises a moving rod arranged in the third guide groove in a sliding manner, a clamping hook rotationally connected to one end, facing the stamping bottom plate, of the moving rod, a butting column connected with the middle of the moving rod and a spring connected with one end, far away from the clamping hook, of the moving rod; an avoidance groove communicated with the third guide groove is formed in the side of the fixed block, and the abutting column penetrates through the avoidance groove; one end of the spring, which is far away from the moving rod, is fixedly arranged relative to the fixed block.
4. The sheet metal stamping deformation prevention mechanism of claim 3, wherein: one side of the third guide groove, which faces the stamping bottom plate, is provided with a transition groove, and the bottom surface of the transition groove is an inclined plane or a curved surface.
5. The sheet metal stamping deformation prevention mechanism of claim 3, wherein: the weight of the bottom of the hook is greater than the weight of the top of the hook.
6. The sheet metal stamping deformation prevention mechanism of claim 5, wherein: the size of the bottom of the hook is larger than that of the top of the hook.
7. The sheet metal stamping deformation prevention mechanism of claim 6, wherein: the shape of the clamping hook is a water drop shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921503078.XU CN210817103U (en) | 2019-09-10 | 2019-09-10 | Metal sheet stamping anti-deformation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921503078.XU CN210817103U (en) | 2019-09-10 | 2019-09-10 | Metal sheet stamping anti-deformation mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210817103U true CN210817103U (en) | 2020-06-23 |
Family
ID=71250429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921503078.XU Active CN210817103U (en) | 2019-09-10 | 2019-09-10 | Metal sheet stamping anti-deformation mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210817103U (en) |
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2019
- 2019-09-10 CN CN201921503078.XU patent/CN210817103U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Metal sheet stamping anti deformation mechanism Granted publication date: 20200623 Pledgee: Zhejiang Jiashan Rural Commercial Bank Branch Shun Limited by Share Ltd Pledgor: Jiashan develops mold Hardware Factory Registration number: Y2024980012318 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |