CN212760578U - Lock hook fine blanking die with multiple partially flattened lock hooks - Google Patents
Lock hook fine blanking die with multiple partially flattened lock hooks Download PDFInfo
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- CN212760578U CN212760578U CN202020562948.7U CN202020562948U CN212760578U CN 212760578 U CN212760578 U CN 212760578U CN 202020562948 U CN202020562948 U CN 202020562948U CN 212760578 U CN212760578 U CN 212760578U
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- 238000007493 shaping process Methods 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 31
- 238000004080 punching Methods 0.000 claims description 25
- 239000002699 waste material Substances 0.000 claims description 13
- 238000009966 trimming Methods 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 14
- 238000003754 machining Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000003825 pressing Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a two kinds of latch hook essence towards mould that take a plurality of parts to flatten, including last mould and bed die, wherein two moulds are equipped with a plurality of drifts that are used for the shaping in the last mould that is located self or the bed die respectively, and is a plurality of the drift is including the preflush drift, flatten the drift, flatten half towards drift and deburring drift etc. this scheme is to having the essence towards part of a plurality of parts flattening structures, sets up a plurality of drifts through the part that corresponds the blanking on last mould or bed die, flattens the shaping technology of structure with a plurality of parts and integrates, realizes once accomplishing the forming process of part, need not follow-up extra processing. The machining efficiency is improved while the yield of the molded part is ensured.
Description
Technical Field
The utility model belongs to car seat lock latch hook essence towards mould field especially relates to take a plurality of local flattened latch hook essence towards mould.
Background
The fine blanking belongs to the chipless processing technology, and is a fine stamping method developed on the basis of the common stamping technology, which is called fine blanking for short. The punching die can obtain a high-quality punching part which has higher dimensional precision, a smooth punching surface, small warpage and good interchangeability compared with a common punching part in one punching stroke, and can improve the product quality with lower cost.
The forming of many parts on the car all adopts the fine blanking technology production, for example car seat lock latch hook fine blanking spare etc. to the latch hook fine blanking spare that has a plurality of partial flattening structures (as shown in figure 1), generally adopts the machining flattening position of fine blanking punching press with pressing, but the production efficiency of this kind of blanking mode is lower, and its influence can be more obvious because of the structure increase that the part was flattened partially on the part. Therefore, a mold is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art not enough, the utility model aims to provide two kinds of latch hook essence towards mould of taking a plurality of local flatting, this scheme sets up a plurality of drifts on last mould or bed die to the essence towards part that has a plurality of local flatting structure, part through corresponding blanking, integrates the forming process of a plurality of local flatting structures, realizes once accomplishing the forming process of part, need not follow-up extra processing. The machining efficiency is improved while the yield of the molded part is ensured.
The purpose of the utility model is realized by adopting the following technical scheme:
take a plurality of local squashed latch hook essence towards mould, including last mould and bed die, go up the mould and include cope match-plate pattern, medium plate, pressure flitch, punch-die, go up force lever, material returned pole and a plurality of drift that is used for the shaping, press flitch, medium plate and cope match-plate pattern from the bottom up to piling up in proper order, the punch-die runs through the medium plate with press the flitch and locate press in the flitch, go up the force lever and run through cope match-plate pattern and medium plate just are used for the top to push press the flitch, material returned pole runs through cope match-plate pattern, medium plate, pressure flitch and punch-die just locate in the punch-die, the material returned pole is used for releasing the waste material, and is a plurality of the drift all runs through medium plate and pressure flitch.
Further, the bed die includes lower bolster, die, back pressure plate, circle drift and lower dowel steel, lower bolster and die pile up the setting in proper order, the back pressure plate is located in the die, the circle drift is located in the back pressure plate, lower dowel steel runs through the lower bolster just is used for the top to push the back pressure plate.
Take a plurality of local flattened latch hook essence towards mould, including last mould and bed die, the bed die includes lower bolster, die, back pressure plate, circle drift, lower dowel steel and a plurality of drifts that are used for the shaping, lower bolster and die pile up the setting in proper order, the back pressure plate is located in the die, the circle drift is located in the back pressure plate, lower dowel steel runs through the lower bolster just is used for the top to push the back pressure plate, a plurality of the drift all set up in the die.
Further, go up the mould and include cope match-plate pattern, medium plate, pressure flitch, punch die, go up power transmission pole and material returned pole, pressure flitch, medium plate and cope match-plate pattern from the bottom up pile up in proper order, the punch die runs through the medium plate with press the flitch and locate press in the flitch, go up the power transmission pole and run through cope match-plate pattern and medium plate just are used for the top to push away press the flitch, the material returned pole runs through cope match-plate pattern, medium plate, pressure flitch and punch die just locate in the punch die, the material returned pole is used for releasing the waste material.
Further, the plurality of punches include a pre-punch, a flattening half-punch and a trimming punch.
Furthermore, the other die of the punch heads is oppositely arranged, and a material guide channel for guiding out waste materials is arranged on the other die corresponding to the pre-punching punch head and the trimming punch head.
Furthermore, the other die of the punch heads is oppositely arranged, and a half-punching ejector for ejecting the finished product is arranged corresponding to the flattening half-punching punch head.
Furthermore, an upper base plate used for supporting the punch and the die and the plurality of punches is arranged between the upper die plate and the middle plate, the uniform ends of the plurality of punches abut against the upper base plate, and the other ends of the plurality of punches are arranged in the pressure plate.
Further, a lower base plate for supporting the counter pressure plate is arranged between the lower die plate and the female die.
Furthermore, the fine blanking die with the partially flattened lock hooks further comprises a locking structure for aligning and positioning, the locking structure comprises a locking pin fixedly arranged on the pressure plate and a locking pin hole arranged on the female die, and the locking pin is slidably arranged in the locking pin hole.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses a two kinds of latch hook essence towards mould of taking a plurality of local flatting, including last mould and bed die, it includes the cope match-plate pattern to go up the mould, the medium plate, press the flitch, the punch-die, go up the force lever, material returned pole and a plurality of drift that are used for the shaping, press the flitch, medium plate and cope match-plate pattern from the bottom up pile up in proper order, the punch-die runs through the medium plate and presses the flitch and locate and press the flitch in, it runs through cope match-plate pattern and medium plate and is used for pushing away to push up the force lever to go up to pass the force lever and presses the flitch, the material returned pole runs through the cope match-plate pattern, the medium plate, press flitch and punch-die and. This scheme sets up a plurality of drifts on last mould or bed die through the part that corresponds the blanking to the essence towards the part that has a plurality of local flat structures, integrates the forming process of a plurality of local flat structures, realizes once accomplishing the forming process of part, need not follow-up extra processing. The machining efficiency is improved while the yield of the molded part is ensured.
Drawings
FIG. 1 is a schematic view of a structure with a plurality of partially collapsed components;
fig. 2 is a front view of a preferred embodiment of the fine blanking die for a latch hook with a plurality of partially flattened portions of the present invention.
In the figure: 1. the fine blanking die is provided with a plurality of partially flattened lock hooks; 2. an upper die; 21. mounting a template; 22. a middle plate; 23. a material pressing plate; 24. a male die and a female die; 25. a material returning rod; 26. an upper force transmission rod; 271. pre-punching a punch; 272. flattening the punch; 273. flattening the half-punching punch; 274. trimming the punch; 3. a lower die; 31. a lower template; 32. a female die; 33. a counter-pressure plate; 34. a round punch; 35. a lower dowel bar; 41. a locking pin; 42. locking pin holes; 51. a half-punch ejector; 52. a material guide channel.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
The utility model discloses take a plurality of local squashed latch hook essence towards mould 1 as shown in fig. 1, including last mould 2 and bed die 3, it includes cope match-plate pattern 21 to go up mould 2, medium plate 22, press flitch 23, punch-die 24, go up force lever 26, material returned pole 25 and a plurality of drift that are used for the shaping, press flitch 23, medium plate 22 and cope match-plate pattern 21 from the bottom up pile up in proper order, punch-die 24 runs through medium plate 22 and presses flitch 23 and locate and press flitch 23 in, go up force lever 26 and run through cope match-plate pattern 21 and medium plate 22 and be used for pushing away material pressed flitch 23, material returned pole 25 runs through cope match-plate pattern 21, medium plate 22, press flitch 23 and punch-die 24 and locate in punch-die 24, material returned pole 25 is used for releasing the waste material, a plurality of drifts all run through medium plate 22 and. The scheme aims at the fine blanking part with a plurality of partial flattening structures, designs the continuous fine blanking die, integrates the forming process of the partial flattening structures, realizes the forming processing of the part at one time, and does not need subsequent additional processing. The machining efficiency is improved while the yield of the molded part is ensured.
The embodiment is the first kind of die in this scheme, that is, a plurality of forming punches in this kind of die are all arranged in the upper die 2, the lower die 3 in this embodiment includes a lower die plate 31, a female die 32, a counter plate 33, a round punch 34 and a lower dowel bar 35, the female die 32 of the lower die plate 31 are sequentially stacked, the counter plate 33 is arranged in the female die 32, the round punch 34 is arranged in the counter plate 33, and the lower dowel bar 35 penetrates through the lower die plate 31 and is used for pushing the counter plate 33. The part of this kind of mould correspondence processing blanking is the part that the upper surface is sunken to flatten. And the parts to be blanked are blanked and extruded by a plurality of punches from the upper end.
The second kind mould in this scheme does: take a plurality of local squashing's latch hook fine blanking mould 1, including upper die 2 and lower mould 3, lower mould 3 includes lower bolster 31, die 32, back pressure plate 33, round drift 34, lower dowel steel 35 and a plurality of drift that are used for the shaping, lower bolster 31 and die 32 stack gradually and set up, back pressure plate 33 locates in the die 32, round drift 34 is located in the back pressure plate 33, lower dowel steel 35 runs through lower bolster 31 and be used for the top push back pressure plate 33, a plurality of the drift all set up in the die 32.
In this embodiment, the upper mold 2 includes an upper mold plate 21, a middle plate 22, a pressure plate 23, a punch-die 24, an upper force bar 26 and a material returning bar 25, the pressure plate 23, the middle plate 22 and the upper mold plate 21 are stacked in sequence from bottom to top, the punch-die 24 penetrates through the middle plate 22 and the pressure plate 23 and is disposed in the pressure plate 23, the upper force bar 26 penetrates through the upper mold plate 21 and the middle plate 22 and is used for pushing the pressure plate 23, the material returning bar 25 penetrates through the upper mold plate 21, the middle plate 22, the pressure plate 23 and the punch-die 24 and is disposed in the punch-die 24, and the material returning bar 25 is used for pushing out waste materials. The part that this kind of mould corresponds processing blanking is the part that the lower surface is sunken to flatten. And the parts to be blanked are blanked and extruded by the plurality of punches from the lower end.
Several of the punches described in this embodiment include a pre-punch 271, a crush punch 272, a crush half-punch 273, and a trim punch 274. The part of the pre-punching punch 271 protruding out of the die is longer than other punches, when punching is performed, the upper die and the lower die 3 are relatively close to each other, and the pre-punching punch 271 contacts with a part to be punched earlier than other punches to achieve a pre-punching effect.
Preferably, the flattening punches 272 are disposed at the partially flattened portions of the punched part, and the punches are disposed at the upper die 2 or the lower die 3 according to the partially flattened direction (upper surface concave or lower surface concave), and the number and shape and size of the flattening punches 272 can be set according to the forming shape required for processing the part.
Preferably, the half-punch 273 has both functions of punching and flattening, the protruding portion of the half-punch 273 is only half of the protruding portion of the half-punch 272, and since the half-punch 273 performs a small-sized punching of the part during punching, another die of a plurality of punches is oppositely disposed, and a half-punch ejector 51 for ejecting the finished product is disposed corresponding to the half-punch 273. Since the degree of blanking by the squashing half-punch 273 is not large, the half-punch ejector 51 described herein does not need to use a large force, and the half-punch ejector 51 may penetrate the die 32 or the blank holder 23 and eject the blanked part by the spring force.
Preferably, the pre-punch 271 and the trimming punch 274 are both blanking punches, and during the blanking process, the upper and lower dies 3 move relatively, and the part to be blanked is blanked at the position corresponding to the pre-punch 271 and the trimming punch 274, and for this, the two dies are provided with a material guiding channel 52 for guiding out waste material corresponding to the pre-punch 271 and the trimming punch 274 on the other die with a plurality of punches arranged oppositely. The waste material to be blanked in the part to be blanked is directly fed into the material guiding passage 52 and discharged.
In the two types of dies, an upper backing plate for supporting the punch-die 24 and the punches is further arranged between the upper die plate 21 and the middle plate 22, when the punches are arranged in the upper die 2, one ends of the pre-punch 271, the flattening punch 272, the flattening half-punch 273 and the trimming punch 274 abut against the upper backing plate, and the other ends of the pre-punch, the flattening punch 272, the flattening half-punch 273 and the trimming punch 274 are arranged in the pressure plate 23. The punch and the punch-die 24 move up and down in synchronization with the upper die plate 21, the upper plate, and the intermediate plate 22.
And a lower cushion plate for supporting the counter pressing plate 33 is arranged between the lower template 31 and the female die 32 in the two types of dies. When a plurality of punches are arranged in the lower die 3, one end of each of the pre-punch 271, the flattening punch 272, the flattening half-punch 273 and the trimming punch 274 abuts against the lower backing plate, and the other end of each of the pre-punch, the flattening punch 272, the flattening half-punch 273 and the trimming punch 274 is arranged in the die 32.
Preferably, because the pressure plate 23 and the upper die 2 do not move downward synchronously, the pressure plate 23 will move downward and be extruded on the female die 32 before the fine blanking process, and the pressure bar is provided with another power assembly, in this embodiment, the upper force bar 26 penetrates through the upper die plate 21 and is used for pushing the pressure plate 23 downward.
Preferably, the material returning rod 25 assembly is used for ejecting the fine-punched waste materials, the material returning rod 25 penetrates through the upper template 21, the upper padding plate, the middle plate 22 and the punch-die 24, after the fine punching process is finished, the upper die 2 moves upwards to be away from the lower die 3, the material returning rod 25 moves downwards independently at the moment, the fine-punched waste materials are pushed out from the punch-die 24, the waste materials are discharged, and the next fine punching process is guaranteed to be smoothly carried out.
Wherein, this scheme is through last mould 2 and the relative movement of bed die 3 in order to realize off-the-shelf essence towards the shaping, presses the clearance between flitch 23 and punch-die 24 and die 32, back pressure plate 33 and a plurality of drift just to take the refined towards shaping clearance of a plurality of local flattened latch hook parts in this scheme.
Preferably, after the fine blanking process is finished, the upper die 2 and the lower die 3 move relatively and are away from each other, at this time, the finished product is formed and nested in a gap between the counter-pressure plate 33 and the female die 32, in order to obtain the finished product, a lower dowel bar 35 for pushing the counter-pressure plate 33 is arranged in the scheme, the lower dowel bar 35 penetrates through the lower die plate 31, and after the fine blanking is finished, the lower dowel bar 35 is started to move upwards to push the counter-pressure plate 33 to push the finished product out.
In the fine blanking process, the upper force lever 26 pushes the pressing plate 23 downward to press the die 32, and in order to ensure that the pressing plate 23 and the die 32 do not shift when moving relatively, the fine blanking die 1 with the plurality of partially flattened lock hooks of the present embodiment further includes a locking structure for alignment and positioning, the locking structure includes a locking pin 41 fixed on the pressing plate 23 and a locking pin hole 42 opened on the die 32, and the locking pin 41 is slidably disposed in the locking pin hole 42 and is in precise sliding fit with the locking pin hole 42. Ensure that this mould can only take place the ascending removal in vertical direction and can not take place the skew in other directions at the in-process of essence towards, guarantee the fashioned qualification rate of finished product. Wherein a plurality of locking structures can be provided, and the positions of the locking pin 41 and the locking pin hole 42 on the pressure plate 23 and the female die 32 can be changed.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (10)
1. Take a plurality of local squashed latch hook essence towards mould, its characterized in that: including last mould and bed die, it includes cope match-plate pattern, medium plate, pressure flitch, punch die, goes up the force lever, returns the material pole and a plurality of drift that are used for the shaping to go up the mould, press flitch, medium plate and cope match-plate pattern from the bottom up to pile up in proper order, the punch die runs through the medium plate with press the flitch and locate press in the flitch, go up the force lever and run through cope match-plate pattern and medium plate just are used for the top push press the flitch, it runs through to return the material pole cope match-plate pattern, medium plate, pressure flitch and punch die just locate in the punch die, it is used for releasing the waste material to return the material pole, and is a plurality of the drift all runs through the medium plate with press.
2. The fine blanking die for a latch hook with a plurality of partial crushes of claim 1, wherein: the lower die comprises a lower die plate, a female die, a counter-pressure plate, a round punch and a lower dowel bar, the lower die plate and the female die are sequentially stacked, the counter-pressure plate is arranged in the female die, the round punch is arranged in the counter-pressure plate, and the lower dowel bar runs through the lower die plate and is used for pushing the counter-pressure plate.
3. Take a plurality of local squashed latch hook essence towards mould, its characterized in that: including last mould and bed die, the bed die includes lower bolster, die, back pressure plate, circle drift, lower dowel steel and a plurality of drifts that are used for the shaping, lower bolster and die pile up the setting in proper order, the back pressure plate is located in the die, the circle drift is located in the back pressure plate, the lower dowel steel runs through the lower bolster just is used for the top to push away the back pressure plate, it is a plurality of the drift all set up in the die.
4. The fine blanking die for a hook with a plurality of partially crushed hooks of claim 3, wherein: go up the mould and include cope match-plate pattern, medium plate, pressure flitch, punch die, go up power transmission pole and material returned pole, pressure flitch, medium plate and cope match-plate pattern from the bottom up pile up in proper order, the punch die runs through the medium plate just locates with the pressure flitch press the flitch in, go up the power transmission pole and run through cope match-plate pattern and medium plate just are used for the top to push away the pressure flitch, the material returned pole runs through cope match-plate pattern, medium plate, pressure flitch and punch die just locate in the punch die, the material returned pole is used for releasing the waste material.
5. The fine blanking die with multiple partially crushed shackle of any one of claims 1 or 3, wherein: the plurality of punches comprise a pre-punching punch, a flattening semi-punching punch and a trimming punch.
6. The fine blanking die for a hook with a plurality of partially crushed hooks of claim 5, wherein: and the other die is oppositely provided with a plurality of punches and is provided with a material guide channel for guiding waste materials corresponding to the pre-punching punch and the trimming punch.
7. The fine blanking die for a hook with a plurality of partially crushed hooks of claim 5, wherein: and the other die is oppositely provided with a plurality of punches and is provided with a semi-punching ejector for ejecting a finished product corresponding to the flattening semi-punching punch.
8. The fine blanking die with multiple partially crushed shackle as defined in any one of claims 1 or 4, characterised in that: an upper base plate used for supporting the punch-die and the plurality of punches is further arranged between the upper die plate and the middle plate, one ends of the punches abut against the upper base plate, and the other ends of the punches are arranged in the pressure plate.
9. The fine blanking die with multiple partially crushed shackle as defined in any one of claims 2 or 3, characterised in that: and a lower base plate for supporting the counter pressure plate is arranged between the lower template and the female die.
10. The fine blanking die with multiple partially crushed shackle of any one of claims 1 or 3, wherein: the fine blanking die with the partially flattened lock hooks further comprises a locking structure for aligning and positioning, the locking structure comprises locking pins fixedly arranged on the pressure plate and locking pin holes arranged on the female die, and the locking pins are slidably arranged in the locking pin holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020562948.7U CN212760578U (en) | 2020-04-15 | 2020-04-15 | Lock hook fine blanking die with multiple partially flattened lock hooks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020562948.7U CN212760578U (en) | 2020-04-15 | 2020-04-15 | Lock hook fine blanking die with multiple partially flattened lock hooks |
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| Publication Number | Publication Date |
|---|---|
| CN212760578U true CN212760578U (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020562948.7U Active CN212760578U (en) | 2020-04-15 | 2020-04-15 | Lock hook fine blanking die with multiple partially flattened lock hooks |
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| CN (1) | CN212760578U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120679897A (en) * | 2025-08-15 | 2025-09-23 | 中国机械总院集团北京机电研究所有限公司 | A stamping method and stamping die for locally variable cross-section parts |
-
2020
- 2020-04-15 CN CN202020562948.7U patent/CN212760578U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120679897A (en) * | 2025-08-15 | 2025-09-23 | 中国机械总院集团北京机电研究所有限公司 | A stamping method and stamping die for locally variable cross-section parts |
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