CN220554864U - Trimming and punching die for post-thermoforming process of reinforcing plates in left column and right column - Google Patents
Trimming and punching die for post-thermoforming process of reinforcing plates in left column and right column Download PDFInfo
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- CN220554864U CN220554864U CN202322020092.7U CN202322020092U CN220554864U CN 220554864 U CN220554864 U CN 220554864U CN 202322020092 U CN202322020092 U CN 202322020092U CN 220554864 U CN220554864 U CN 220554864U
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- 238000004080 punching Methods 0.000 title claims abstract description 40
- 238000009966 trimming Methods 0.000 title claims abstract description 39
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 22
- 238000003856 thermoforming Methods 0.000 title claims description 21
- 238000003825 pressing Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000003860 storage Methods 0.000 claims description 12
- 230000006378 damage Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 208000025962 Crush injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
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- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The trimming and punching die comprises an upper die assembly and a lower die assembly, wherein the lower die assembly comprises an inclined table-shaped lower die core fixedly arranged in the middle of a lower die base, two die core grooves are symmetrically formed in the inclined table-shaped lower die core, and a lower die trimming cutter block, a lower die punching cutter block and a plurality of die sleeves are sequentially arranged at the lower ends of the die core grooves upwards; the upper die assembly comprises an inclined table-shaped upper die core which is slidably arranged in a sliding cavity of the upper die holder, two material pressing tables are symmetrically arranged on the inclined table-shaped upper die core, an upper die trimming cutter block, an upper die punching cutter block and a plurality of punches are sequentially arranged at one end of the sliding cavity, and a gas spring is arranged in the sliding cavity to provide buffer support for the inclined table-shaped upper die core; the die has the advantages that the die upper die core and the die lower die core are good in die closing and stamping effects, the die cores are not easy to damage, frequent maintenance is not needed, the positions of the material pressing table and the die core grooves are reasonably arranged, one die with two trimming and punching parts is realized, and the processing efficiency of the B-pillar reinforcing plate is improved.
Description
Technical Field
The utility model relates to the field of automobile dies, in particular to a trimming and punching die for a post-process after thermoforming of left and right B column inner reinforcing plates.
Background
The automobile B column reinforcing plate is an important component part of a supporting structure between an automobile top cover and a floor, is an important supporting structure for installing an automobile rear door, has heavier mass, and needs to effectively resist deformation of an automobile body when the automobile collides with the side surface, so that the safety of a passenger cabin is protected, and the rigidity and strength design requirements of the automobile B column reinforcing plate are very high. At present, a B column reinforcing plate assembly of an automobile mostly adopts cold stamping forming or thermoforming, and a workpiece needs to be trimmed and punched after thermoforming, and because the rigidity and strength of the workpiece are relatively high, the workpiece is trimmed and punched only, a mold core is easy to damage, frequent maintenance is needed, and continuous high-efficiency production requirements are not guaranteed.
Disclosure of Invention
In order to solve the problems, the utility model provides a trimming and punching die for a post-process after thermoforming of a left and right B column inner reinforcing plate.
The technical scheme of the utility model is as follows: the trimming and punching die comprises an upper die assembly and a lower die assembly, wherein the lower die assembly comprises an inclined table-shaped lower die core fixedly arranged in the middle of a lower die base, two die core grooves are symmetrically formed in the inclined table-shaped lower die core along the length direction of the inclined table-shaped lower die core, and a lower die trimming cutter block, a lower die punching cutter block and a plurality of die sleeves are sequentially arranged at the lower ends of the die core grooves upwards; the upper die assembly comprises an inclined bench-shaped upper die core which is slidably arranged in a sliding cavity of an upper die holder, the inclined bench-shaped upper die core is matched with the inclined bench-shaped lower die core in size and corresponds in position, two material pressing tables are symmetrically arranged on the inclined bench-shaped upper die core, the size of each material pressing table is matched with the size of a die core groove, an upper die trimming cutter block, an upper die punching cutter block and a plurality of punches are sequentially arranged at one end of the sliding cavity, the punches can be matched and inserted into a die sleeve, and gas springs are arranged in the sliding cavity to provide buffer support for the inclined bench-shaped upper die core and are uniformly distributed.
Preferably, the side of the inclined bench-shaped upper mold core is provided with an oblong limit groove, the inner side wall of the sliding cavity is vertically provided with a round limit post, and the limit post is in sliding connection in the limit groove.
Preferably, a positioning block is arranged in the middle of the upper end of the mold core groove, and the inner side surface of the upper part of the positioning block is an introduction inclined surface.
Preferably, the four corners of the lower die holder are respectively provided with a lower storage support column, the four corners of the upper die holder are correspondingly provided with an upper storage support column, and the lower storage support column and the upper storage support column are round columns.
Preferably, the lower die holders on two sides of the upper part of the inclined table-shaped lower die core are respectively provided with a lower balance seat, and the upper die holders on two sides of the lower part of the inclined table-shaped upper die core are correspondingly provided with an upper balance seat.
Preferably, two guide grooves are formed in two ends of the lower die holder, guide columns are arranged in the guide grooves, two guide tables are correspondingly arranged at two ends of the upper die holder, guide holes are formed in the middle of the guide tables, and the guide columns can be inserted into the guide holes in a matched mode.
Preferably, the side walls of the guide table, the guide hole and the inclined table-shaped upper mold core are all provided with self-lubricating blocks.
Preferably, elastic buffer columns are arranged at four corners of the lower die holder, and the elastic buffer columns are made of polyurethane.
The beneficial technical effects of the utility model are as follows:
the upper die core and the lower die core in the shape of the inclined table in the die can be well matched with the structural characteristics of the B-pillar reinforcing plate, so that the punching and trimming area at one end of the B-pillar reinforcing plate is in a horizontal state, the other areas are in an inclined state, the die closing and punching effects of the upper die core and the lower die core are good, the die cores are not easy to damage, frequent maintenance is not needed, the positions of the material pressing table and the die core grooves are reasonably arranged, one-die double-piece trimming and punching are realized, and the processing efficiency of the B-pillar reinforcing plate is improved.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic perspective view of a lower die assembly;
FIG. 3 is a schematic perspective view of an upper die holder;
FIG. 4 is a schematic perspective view of an upper die assembly;
fig. 5 is a schematic perspective view of the upper mold core in the shape of a ramp.
In the drawing, 01, upper die assembly, 11, upper die holder, 12, inclined upper die core, 121, press bench, 122, upper die trimming block, 123, upper die punching block, 124, punch, 125, limit groove, 13, gas spring, 14, sliding cavity, 141, limit post, 15, upper storage support post, 16, upper balance seat, 02, lower die assembly, 21, inclined lower die core, 211, die core groove, 212, lower die trimming block, 213, lower die punching block, 214, die sleeve, 22, lower die holder, 23, positioning block, 24, lower storage support post, 25, lower balance seat, 26, elastic buffer post, 31, guide groove, 311, guide post, 32, guide bench, 321, guide hole, 41, self-lubricating slide.
Detailed Description
Referring to fig. 1-5 of the present disclosure, a post-thermoforming process trimming and punching die for a reinforcing plate in a left column and a right column comprises an upper die assembly 01 and a lower die assembly 02, wherein the lower die assembly 02 comprises an inclined table-shaped lower die core 21 fixedly installed in the middle of a lower die base 22, two die core grooves 211 are symmetrically formed in the inclined table-shaped lower die core 21, a lower die trimming cutter block 212, a lower die punching cutter block 213 and a plurality of die sleeves 214 are sequentially arranged at the lower end of the die core groove 211, the lower end of the die core groove 211 is a horizontal section, and the lower die trimming cutter block 212 and the lower die punching cutter block 213 are arranged on the horizontal section; the upper die assembly 01 comprises an inclined table-shaped upper die core 12 which is slidably arranged in a sliding cavity 14 of an upper die holder 11, two material pressing tables 121 are symmetrically arranged on the inclined table-shaped upper die core 12, an upper die trimming cutter block 122, an upper die punching cutter block 123 and a plurality of punches 124 are sequentially arranged at one end of the sliding cavity 14, a gas spring 13 is arranged in the sliding cavity 14 to provide buffer support for the inclined table-shaped upper die core 12, the upper end part of the material pressing table 121 is a horizontal section, and the upper die trimming cutter block 122 and the upper die punching cutter block 123 are arranged on the horizontal section, so that the key punching and trimming areas at one end of a B-pillar reinforcing plate are in a horizontal state, the other areas are in an inclined state, the die closing and punching effects of the upper die core and the lower die core are good, the die cores are not easy to damage, and frequent maintenance is not needed.
The side of the inclined bench-shaped upper mold core 12 is provided with a limit groove 125, the inner side wall of the sliding cavity 14 is vertically provided with a limit post 141, the limit post 141 is slidably connected in the limit groove 125, the inclined bench-shaped upper mold core 12 can compress the gas spring 13 to slide inwards when being stamped, and the limit post 141 and the limit groove 125 provide travel limit for sliding.
The middle of the upper end of the mold core groove 211 is provided with a positioning block 23, and the positioning block 23 provides positioning for the mold core groove at the end part when the plate is placed, so that the plate is placed at an accurate position.
The four corners of the lower die holder 22 are respectively provided with a lower storage support column 24, the four corners of the upper die holder 11 are correspondingly provided with an upper storage support column 15, the upper and lower storage support columns 24 are used for providing storage support for the upper and lower die cores, and the phenomenon of crush injury caused by contact between the surfaces of the upper and lower die cores is avoided.
The lower die holders 22 on two sides of the upper part of the inclined table-shaped lower die core 21 are respectively provided with a lower balance seat 25, the upper die holders 11 on two sides of the lower part of the inclined table-shaped upper die core 12 are correspondingly provided with an upper balance seat 16, and the upper and lower balance blocks are in closed contact during die assembly, so that the die holders are in a balance state during punch forming, and the trimming and punching quality of a workpiece is improved.
Two guide grooves 31 are formed in two ends of the lower die holder 22, guide columns 311 are arranged in the guide grooves 31, two guide tables 32 are correspondingly arranged in two ends of the upper die holder 11, a guide hole 321 is formed in the middle of each guide table 32, and the guide columns 311 slide into the guide holes 321 in the die assembly process to form die assembly guide, so that die assembly accuracy is improved.
The side walls of the guide table 32, the guide hole 321 and the inclined table-shaped upper mold core 12 are respectively provided with a self-lubricating block 41, and four corners of the lower mold base 22 are respectively provided with an elastic buffer column 26 for providing buffering for mold closing and stamping.
The working process of the utility model is as follows: meanwhile, the left and right piece plates of the reinforcing plate in the B column are placed into the two mold core grooves 211 of the inclined table-shaped lower mold core 21, the positioning block 23 provides positioning for the plates at the end part, the plates are placed at accurate stamping positions, then the upper mold assembly 01 is driven to move downwards, the two pressing tables 121 in the inclined table-shaped upper mold core 12 press the two plates, the important punching and trimming areas at one end of the plates are in a horizontal state, the rest areas are in an inclined state, the upper mold core and the lower mold core are good in mold closing and stamping effect, the mold cores are not easy to damage, the inclined table-shaped upper mold core 12 can compress the air spring 13 to slide upwards in the stamping and trimming process, the limiting columns 141 and the limiting grooves 125 provide travel limiting for the sliding, and the guide columns 311 slide into the guide holes 321 to form mold closing guide, so that mold closing precision is ensured.
Claims (8)
1. The utility model provides a technology deburring cut-out press behind B post reinforcing plate thermoforming about, includes mould subassembly and lower mould subassembly, characterized by:
the lower die assembly comprises an inclined table-shaped lower die core fixedly arranged in the middle of the lower die base, two die core grooves are symmetrically formed in the inclined table-shaped lower die core, and a lower die trimming cutter block, a lower die punching cutter block and a plurality of die sleeves are sequentially arranged at the lower ends of the die core grooves upwards; the upper die assembly comprises an inclined bench-shaped upper die core which is slidably arranged in a sliding cavity of the upper die holder, two material pressing tables are symmetrically arranged on the inclined bench-shaped upper die core, an upper die trimming cutter block, an upper die punching cutter block and a plurality of punches are sequentially arranged at one end of the sliding cavity, and a gas spring is arranged in the sliding cavity to provide buffer support for the inclined bench-shaped upper die core.
2. The post-thermoforming process trimming and punching die for the left and right B-pillar inner reinforcing plates according to claim 1, wherein the post-thermoforming process trimming and punching die is characterized in that: the side of the inclined bench-shaped upper mold core is provided with a limit groove, the inner side wall of the sliding cavity is vertically provided with a limit post, and the limit post is in sliding connection in the limit groove.
3. The post-thermoforming process trimming and punching die for the left and right B-pillar inner reinforcing plates according to claim 1, wherein the post-thermoforming process trimming and punching die is characterized in that: and a positioning block is arranged in the middle of the upper end of the mold core groove.
4. The post-thermoforming process trimming and punching die for the left and right B-pillar inner reinforcing plates according to claim 1, wherein the post-thermoforming process trimming and punching die is characterized in that: the four corners of the lower die holder are respectively provided with a lower storage support column, and the four corners of the upper die holder are correspondingly provided with an upper storage support column.
5. The post-thermoforming process trimming and punching die for the left and right B-pillar inner reinforcing plates according to claim 1, wherein the post-thermoforming process trimming and punching die is characterized in that: lower balance seats are respectively arranged on the lower die holders on two sides of the upper part of the inclined table-shaped lower die core, and upper balance seats are correspondingly arranged on the upper die holders on two sides of the lower part of the inclined table-shaped upper die core.
6. The post-thermoforming process trimming and punching die for the left and right B-pillar inner reinforcing plates according to claim 1, wherein the post-thermoforming process trimming and punching die is characterized in that: two guide grooves are formed in two ends of the lower die holder, guide columns are arranged in the guide grooves, two guide tables are correspondingly arranged at two ends of the upper die holder, and guide holes are formed in the middle of the guide tables.
7. The post-thermoforming process trimming and punching die for the left and right B-pillar inner reinforcing plates, according to claim 6, is characterized in that: and self-lubricating blocks are arranged on the side walls of the guide table, the guide holes and the inclined table-shaped upper mold core.
8. The post-thermoforming process trimming and punching die for the left and right B-pillar inner reinforcing plates according to claim 1, wherein the post-thermoforming process trimming and punching die is characterized in that: elastic buffer columns are arranged at four corners of the lower die holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322020092.7U CN220554864U (en) | 2023-07-31 | 2023-07-31 | Trimming and punching die for post-thermoforming process of reinforcing plates in left column and right column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322020092.7U CN220554864U (en) | 2023-07-31 | 2023-07-31 | Trimming and punching die for post-thermoforming process of reinforcing plates in left column and right column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220554864U true CN220554864U (en) | 2024-03-05 |
Family
ID=90051474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322020092.7U Active CN220554864U (en) | 2023-07-31 | 2023-07-31 | Trimming and punching die for post-thermoforming process of reinforcing plates in left column and right column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220554864U (en) |
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2023
- 2023-07-31 CN CN202322020092.7U patent/CN220554864U/en active Active
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