CN222326436U - Double-sided chamfering device - Google Patents
Double-sided chamfering device Download PDFInfo
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- CN222326436U CN222326436U CN202421139673.0U CN202421139673U CN222326436U CN 222326436 U CN222326436 U CN 222326436U CN 202421139673 U CN202421139673 U CN 202421139673U CN 222326436 U CN222326436 U CN 222326436U
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- punching
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- chamfer
- upper punch
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- 238000004080 punching Methods 0.000 claims abstract description 93
- 238000007493 shaping process Methods 0.000 claims abstract description 55
- 239000000463 material Substances 0.000 claims description 19
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000012545 processing Methods 0.000 abstract description 7
- 238000007599 discharging Methods 0.000 description 26
- 230000013011 mating Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000000750 progressive effect Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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Abstract
本实用新型提供一种双面倒角装置，包括上模、下模，所述的上模中依次设置有预冲孔上凸模、正面倒角上凸模、精冲孔上凸模、反面倒角上凸模、正面整形上凸模，所述的下模中对应预冲孔上凸模、正面倒角上凸模、精冲孔上凸模、反面倒角上凸模、正面整形上凸模的位置分别设置有预冲孔下凹模、正面倒角下凹模、精冲孔下凹模、反面倒角下凸模、正面整形下凸模。本实用新型解决了解决了带有双面倒角通孔的撞板产品的加工难题，降低了生产成本，提高了生产效率。
The utility model provides a double-sided chamfering device, including an upper die and a lower die, wherein the upper die is provided with a pre-punching upper punch, a front chamfering upper punch, a fine punching upper punch, a reverse chamfering upper punch, and a front shaping upper punch in sequence, and the lower die is provided with a pre-punching lower die, a front chamfering lower die, a fine punching lower die, a reverse chamfering lower die, and a front shaping lower die at positions corresponding to the pre-punching upper punch, the front chamfering upper punch, the fine punching upper punch, the reverse chamfering upper punch, and the front shaping upper punch. The utility model solves the processing problem of a collision plate product with a double-sided chamfered through hole, reduces production costs, and improves production efficiency.
Description
Technical Field
The utility model relates to the technical field of progressive die machining, in particular to a double-sided chamfering device.
Background
The progressive die is an advanced die in the production and processing at the present stage, combines multiple dies together and integrates the functions of multiple single-process dies, thereby realizing continuous automatic production of multiple processes, having the advantages of good processing quality, high production efficiency, less requirement of operators and the like, and being a great direction of the design and development of the stage die. The double-sided striking plate product shown in fig. 1 is an important part in an intelligent precision lockset in an intelligent security system, a plurality of square holes or through holes of round holes are formed in the striking plate, and chamfer structures are arranged on two sides of the through holes. The through hole on the traditional striking plate is only provided with a chamfer on one side, so that the processing is simpler, the new double-sided striking plate product is difficult to process due to the design of a die cutter, machining is usually needed, and the machining is high in cost and low in production efficiency. Therefore, it is necessary to invent a double-sided chamfering device for progressive die.
Disclosure of utility model
The utility model aims to provide a double-sided chamfering device which can be used in a progressive die, solves the processing difficulty of a striking plate product with a double-sided chamfering through hole, reduces the production cost and improves the production efficiency.
The technical scheme adopted for solving the technical problems is as follows:
The double-sided chamfering device comprises an upper die and a lower die, wherein a pre-punching upper punch, a front chamfering upper punch, a fine punching upper punch, a back chamfering upper punch and a front shaping upper punch are sequentially arranged in the upper die, and a pre-punching lower die, a front chamfering lower die, a fine punching lower die, a back chamfering lower die and a front shaping lower punch are respectively arranged at positions corresponding to the pre-punching upper punch, the front chamfering upper punch, the fine punching upper punch, the back chamfering upper punch and the front shaping upper punch in the lower die;
The pre-punching upper male die stretches into a pre-punching lower female die hole of the pre-punching lower female die after the die is closed, and a through hole is punched on the material belt;
the lower end of the front chamfer upper punch is provided with a front chamfer, and the front chamfer punches the inner wall of the through hole out of the upper chamfer after the die is closed;
The fine punching upper male die stretches into a fine punching lower female die hole of the fine punching lower female die after the die is closed, and a flange on the inner wall of the through hole is punched;
the lower end of the reverse side chamfer upper punch is provided with an upper positioning chamfer for being matched with the upper chamfer for positioning, the side edge of the reverse side chamfer lower punch is provided with a reverse side chamfer, and the reverse side chamfer punches the inner wall of the through hole out of the lower chamfer after the die is closed;
The side of the front shaping upper male die is provided with an upper shaping chamfer, and the upper end of the front shaping lower male die is provided with a lower positioning chamfer for positioning in a matched manner.
The upper die comprises an upper die holder, an upper base plate and an upper fixing plate which are sequentially overlapped and fixed below the upper die holder, wherein the pre-punching upper male die, the front chamfering upper male die, the fine punching upper male die and the front shaping upper male die are fixedly arranged in the upper fixing plate, the lower die comprises a lower die holder, a lower fixing plate and a lower female die plate which are sequentially overlapped and fixed above the lower die holder, and the pre-punching lower female die, the front chamfering lower female die, the fine punching lower female die, the back chamfering lower male die and the front shaping lower male die are fixedly arranged in the lower female die plate.
Further, go up the mould in be provided with and go up the structure of unloading, go up the structure of unloading including hanging last backplate of unloading and last stripper on last fixed plate, last stripper fixed connection on backplate and the last stripper, punch a hole in advance, positive chamfer go up the terrace die, punch a hole in essence, positive plastic go up the terrace die all pass and go up the structure of unloading and with last structure swing joint, the reverse chamfer go up the terrace die fixed setting in last stripper.
Further, an upper ejector rod is movably arranged in the upper die, an upper spring is abutted to the upper end of the upper ejector rod, and the lower end of the upper ejector rod is abutted to the upper discharging backboard.
Further, the upper end of the reverse chamfer is provided with a lower shaping boss, and the lower shaping boss stretches into the through hole after the die is closed.
Further, the lower end of the upper shaping chamfer is provided with an upper shaping boss, and the upper shaping boss stretches into the through hole after the die is closed.
Further, a first blanking hole is formed in the lower die and located below the pre-punched lower female die hole.
Further, a second blanking hole is formed in the lower die below the fine punching lower die hole.
The utility model has the beneficial effects that through sequentially arranging five groups of punching structures of pre-punching, front chamfering, fine punching, back chamfering and front shaping in the progressive die, the deformation of two planes of a product and the dimensional accuracy of the two-sided chamfering can be ensured, the design and the processing of the die are simplified, the die is suitable for mass production, the production efficiency is improved, and the production cost is greatly reduced.
The utility model will be described in more detail below with reference to the drawings and examples.
Drawings
Fig. 1 is a structural diagram of a product in the present utility model.
Fig. 2 is a top view of a product web in accordance with the present utility model.
Fig. 3 is an opened state cross-sectional view of a double-sided chamfering device of the present utility model.
Fig. 4 is a closed state cross-sectional view of a double-sided chamfering device of the present utility model.
Fig. 5 is an enlarged view of the mating structure of the pre-punched upper punch and the pre-punched lower die of the present utility model.
Fig. 6 is an enlarged view of the mating structure of the front chamfer upper punch and the front chamfer lower die in the present utility model.
Fig. 7 is an enlarged view of the mating structure of the fine punching upper punch and the fine punching lower die of the present utility model.
FIG. 8 is an enlarged view of the mating structure of the upper reverse chamfer punch and the lower reverse chamfer punch of the present utility model.
Fig. 9 is an enlarged view of the mating structure of the front face shaping upper punch and the front face shaping lower punch in the present utility model.
Detailed Description
The double-sided chamfering device as shown in fig. 3 and 4 comprises an upper die 10 and a lower die 20, wherein a pre-punching upper punch 31, a front chamfering upper punch 32, a fine punching upper punch 33, a back chamfering upper punch 34 and a front shaping upper punch 35 are sequentially arranged in the upper die 10, and a pre-punching lower die 41, a front chamfering lower die 42, a fine punching lower die 43, a back chamfering lower punch 44 and a front shaping lower punch 45 are respectively arranged at positions corresponding to the pre-punching upper punch 31, the front chamfering upper punch 32, the fine punching upper punch 33, the back chamfering upper punch 34 and the front shaping upper punch 35 in the lower die 20;
As shown in fig. 5, the pre-punching upper punch 31 extends into the pre-punching lower die hole 411 of the pre-punching lower die 41 after the die is closed, and a through hole 501 is punched in the material tape 50;
As shown in fig. 6, a front chamfer 321 is disposed at the lower end of the front chamfer upper punch 32, the front chamfer 321 punches the inner wall of the through hole 501 out of the upper chamfer 502 after the mold is closed, and the height of the position of the front chamfer upper punch 32 with the upper chamfer 502 needs to be smaller than the thickness of the material belt 50, so as to avoid punching the material belt 50 through the through hole 501 directly. After this chamfering step, an upper chamfer 502 is punched out of the upper portion of the through-hole 501, and a flange 504 is formed at the lower portion of the through-hole 501 (i.e., the lower end of the upper chamfer 502). The structure of the front chamfer lower concave die 42 can be directly grooved on the lower concave die plate 201;
As shown in fig. 7, the fine punching upper punch 33 extends into the fine punching lower die hole 431 of the fine punching lower die 43 after the die is closed, and the fine punching upper punch 33 penetrates through the through hole 501 and punches out the flange 504 on the inner wall of the through hole 501;
As shown in fig. 8, the lower end of the reverse chamfer upper punch 34 is provided with an upper positioning chamfer 341 for positioning in cooperation with the upper chamfer 502, and the upper positioning chamfer 341 plays a role in positioning and limiting the size of the upper chamfer 502. The side edge of the reverse chamfer lower punch 44 is provided with a reverse chamfer 441, the reverse chamfer 441 punches out a lower chamfer 503 on the inner wall of the through hole 501 after the die is closed, and after the chamfering step, the lower chamfer 503 is punched out on the lower part of the through hole 501.
As shown in fig. 9, an upper shaping chamfer 351 is provided on a side of the front shaping upper punch 35, the upper chamfer 502 is further shaped by using the upper shaping chamfer 351, and a lower positioning chamfer 451 for positioning in cooperation with the lower chamfer 503 is provided on an upper end of the front shaping lower punch 45. The lower locating chamfer 451 not only serves to locate but also serves to limit the size of the lower chamfer 503.
Preferably, in combination with the above scheme, in order to facilitate the processing design of the mold and the assembly of the mold parts, the upper mold 10 includes an upper mold base 101, an upper pad 102 and an upper fixing plate 103 which are sequentially stacked and fixed below the upper mold base 101, the pre-punching upper punch 31, the front chamfering upper punch 32, the fine punching upper punch 33 and the front shaping upper punch 35 are fixedly arranged in the upper fixing plate 103, the lower mold 20 includes a lower mold base 203, and a lower fixing plate 202 and a lower female mold plate 201 which are sequentially stacked and fixed above the lower mold base 203, and the pre-punching lower female mold 41, the front chamfering lower female mold 42, the fine punching lower female mold 43, the back chamfering lower punch 44 and the front shaping lower punch 45 are fixedly arranged in the lower female mold plate 201.
Preferably, in combination with the above scheme, in order to facilitate pushing the material belt for discharging, the upper die 10 is provided with an upper discharging structure, the upper discharging structure includes an upper discharging backboard 104 and an upper discharging plate 105 which are hung on an upper fixing plate 103, the upper discharging backboard 104 is fixedly connected with the upper discharging plate 105, the pre-punching upper punch 31, the front chamfering upper punch 32, the fine punching upper punch 33 and the front shaping upper punch 35 all penetrate through the upper discharging structure and are movably connected with the upper discharging structure, and the back chamfering upper punch 34 is fixedly arranged in the upper discharging plate 105.
Preferably, in combination with the above solution, in order to provide the unloading elastic force, an upper ejector rod 37 is movably disposed in the upper mold 10, an upper spring 36 is abutted to an upper end of the upper ejector rod 37, and a lower end of the upper ejector rod 37 is abutted to an upper unloading backboard 104.
Preferably, in combination with the above-mentioned scheme, in order to facilitate shaping and positioning of the through hole 501, the upper end of the reverse chamfer 441 is provided with a lower shaping boss 442, and the lower shaping boss 442 protrudes into the through hole 501 after the mold is closed.
Preferably, in combination with the above scheme, in order to facilitate shaping and positioning of the through hole 501, an upper shaping boss 352 is disposed at the lower end of the upper shaping chamfer 351, and the upper shaping boss 352 extends into the through hole 501 after the mold is closed.
Preferably, in combination with the above scheme, in order to facilitate the discharging of the punched scrap, a first blanking hole 412 is disposed in the lower die 20 at a position below the pre-punched lower die hole 411.
Preferably, in combination with the above solution, in order to facilitate the discharging of the waste after the fine punching, the lower die 20 is provided with a second blanking hole 432 at a position below the fine punching die hole 431.
The working principle of the utility model is as follows:
As shown in the structure of the material belt 50 in FIG. 2, the process flow is divided into 18 stations g1 to g 18. G1 is a pilot hole punching station used for accurately positioning and feeding; g2 is a pre-punching station, g3 is a front chamfering station, g4 is an empty station, g5 is a fine punching station, g6 is an empty station, g7 is an empty station, g8 is a back chamfering station, g9 is a front shaping station, g10 is an empty station, g11 is an empty station, g12 is a pre-punching station for punching holes at other positions of a discharging belt, g13 is a fine punching station for fine punching holes at other positions of the discharging belt, g14 is a small hole punching station, g15 is a small hole pouring burr station, g16 is a punching station for punching holes at other positions of the discharging belt, g17 is a punching station for punching holes at other positions of the discharging belt, and g18 is a cut-out station. The structure of the utility model is mainly characterized in that the structure comprises a g2 pre-punching station, a g3 front chamfering station, a g5 fine punching station, a g8 back chamfering station and a g9 front shaping station. The blank station is designed mainly to facilitate the arrangement of inserts and increase the strength of the die.
The moving direction of the material belt 50 in this embodiment is the direction of fig. 3. When the punch drives the upper die 10 to move upwards to the top point, the feeder sends the material belt 50 to the upper part of the lower concave die plate 201, the upper discharging structure (the upper discharging back plate 104 and the upper discharging plate 105) in the upper die 10 presses the material belt 50 under the acting force of the upper spring 36, until the material belt 50 contacts with the lower concave die plate 201, the upper ejector rod 37 is propped against the upper surface of the upper discharging back plate 104, so that the upper discharging plate 105 elastically acts on the upper surface of the material belt 50 to provide the material belt pressing force, and the material belt 50 is ensured not to move;
At this time, at the g2 station, after the mold is closed, the upper male mold 31 extends into the pre-punching lower female mold hole 411 of the pre-punching lower female mold 41, and the through hole 501 is punched on the material belt 50 until the mold is completely closed, and the pre-punching is completed, and the waste material falls from the first blanking hole 412;
At the same time, in the g3 station, after the die is completely closed, the front chamfer 321 of the front chamfer upper punch 32 punches the upper chamfer 502 on the inner wall of the through hole 501 of the pre-punched material belt, and simultaneously, a flange 504 is formed on the lower part of the through hole 501;
Meanwhile, in the g5 station, after the die is closed, the fine punching upper punch 33 extends into the fine punching lower die 43, the fine punching upper punch 33 penetrates through the through hole 501 and punches out the flange 504 on the inner wall of the through hole 501, fine punching is completed after the front chamfering step, and waste materials are removed from the waste material holes of the lower base plate 402 and the lower die holder 403;
At the same time, on the g8 station, the reverse chamfer 441 of the reverse chamfer lower punch 44 punches out a lower chamfer 503 on the inner wall of the through hole 501 after the die is closed;
At the same time, at g9, the upper shaping chamfer 351 of the front shaping upper punch 35 further shapes the upper chamfer 502 after the mold is closed.
After the above steps are completed, the die is opened, the upper die 10 moves up and down, and is separated from the upper discharging structure by a discharging height (6 mm), the upper ejector rod 37 is elastically acted on the upper discharging structure and the material belt 50, so that the material belt 50 is ensured not to change, and simultaneously, the upper discharging structure is separated from the upper fixing plate 103, so that the material belt 50 is completely separated from the pre-punching upper punch 31, the front chamfering upper punch 32, the fine punching upper punch 33, the back chamfering upper punch 34 and the front shaping upper punch 35. When the strip 50 rises to the designed feed height (10 mm), the upper die 10 continues to rise to the top of the stroke, at which point the die is fully opened. Each time the mold is opened, the web 50 is moved forward one station.
In the present utility model, all directional indications (such as up, down, left, right, front, rear, etc.) are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture shown in the drawings, and if the particular posture is changed, the directional indication is changed accordingly.
While the utility model has been described above by way of example with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the specific embodiments described above, but is intended to cover various modifications of the method concepts and technical solutions of the utility model, or applications without modifications, as such are within the scope of the utility model.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421139673.0U CN222326436U (en) | 2024-05-23 | 2024-05-23 | Double-sided chamfering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421139673.0U CN222326436U (en) | 2024-05-23 | 2024-05-23 | Double-sided chamfering device |
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| Publication Number | Publication Date |
|---|---|
| CN222326436U true CN222326436U (en) | 2025-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421139673.0U Active CN222326436U (en) | 2024-05-23 | 2024-05-23 | Double-sided chamfering device |
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| CN (1) | CN222326436U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119857789A (en) * | 2025-03-21 | 2025-04-22 | 浙江兰光精密机电有限公司 | Stamping device and stamping method |
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- 2024-05-23 CN CN202421139673.0U patent/CN222326436U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119857789A (en) * | 2025-03-21 | 2025-04-22 | 浙江兰光精密机电有限公司 | Stamping device and stamping method |
| CN119857789B (en) * | 2025-03-21 | 2025-06-13 | 浙江兰光精密机电有限公司 | A stamping device and a stamping method |
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