CN219805257U - Composite structure for punching and sprouting molding - Google Patents
Composite structure for punching and sprouting molding Download PDFInfo
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- CN219805257U CN219805257U CN202321352969.6U CN202321352969U CN219805257U CN 219805257 U CN219805257 U CN 219805257U CN 202321352969 U CN202321352969 U CN 202321352969U CN 219805257 U CN219805257 U CN 219805257U
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- forming
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- 238000004080 punching Methods 0.000 title claims abstract description 34
- 239000002131 composite material Substances 0.000 title claims abstract description 18
- 238000000465 moulding Methods 0.000 title description 7
- 238000003825 pressing Methods 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 238000007599 discharging Methods 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 210000001503 joint Anatomy 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims 1
- 238000007493 shaping process Methods 0.000 claims 1
- 230000007704 transition Effects 0.000 abstract description 12
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000003754 machining Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Abstract
The utility model discloses a punching and sprouting formed composite structure, which comprises a lower die holder and an upper die holder assembly, wherein the surface of the lower die holder is connected with the lower die assembly, a forming insert is embedded in the surface of the lower die assembly, a first elastic expansion piece is arranged in the lower die holder, and a lower die punch and a transmission column are arranged at the lifting end of the first elastic expansion piece; the die comprises an upper die base component, and is characterized in that a second elastic telescopic piece, a bearing column and a pressing column are arranged in the upper die base component, the telescopic end of the second elastic telescopic piece is connected with an upper die plate, the bottom ends of the bearing column and the pressing column respectively extend into an upper positioning cavity and an upper guide cavity of the upper die plate, a pressing convex cambered surface and a punching part are downwards formed in sequence at the bottom ends of the bearing column, the bearing column corresponds to a forming cavity, and the punching part corresponds to a lower die punch. The beneficial effects are that: the one-time processing and forming of the transition hole and the bud part can be realized, the processing efficiency is high, the processing of the transition hole and the bud part is completed by one-time positioning, and the processing precision is high.
Description
Technical Field
The utility model relates to the technical field of forming dies, in particular to a composite structure for punching and sprouting forming.
Background
In the processing and production of a workpiece as shown in fig. 10, a plurality of processes are often adopted, and first, punching and forming of a transition hole are performed, and the sprouting of a sprouting portion is performed. The multi-working-procedure efficiency is low, and each working procedure needs to be repositioned, and the positioning accumulated error influences the working precision of the workpiece. Therefore, the composite structure for punching and sprouting molding is designed, one-time molding of the through hole and sprouting can be realized, the processing efficiency is high, the processing can be finished only by one-time positioning, and the processing precision is high.
Disclosure of Invention
The present utility model aims to solve the above problems and provide a composite structure formed by punching and sprouting, which is described in detail below.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a punching and sprouting formed composite structure, which comprises a lower die holder and an upper die holder assembly, wherein the surface of the lower die holder is connected with the lower die assembly, a forming insert is embedded in the surface of the lower die assembly, a first elastic expansion piece is arranged in the lower die holder, a lower die punch and a transmission column are arranged at the lifting end of the first elastic expansion piece, the upper ends of the lower die punch and the transmission column respectively extend into a forming cavity and a limiting cavity of the forming insert and are level with the surface of the upper die assembly, and the inner diameter size of the forming cavity is matched with the outer diameter size of a sprouting part;
the upper die holder assembly is internally provided with a second elastic telescopic piece, a bearing column and a pressing column, the telescopic end of the second elastic telescopic piece downwards penetrates through the bottom surface of the upper die holder assembly and is connected with an upper die plate, and the bottom surface of the upper die plate is provided with an upper die cavity for accommodating a workpiece body; the bearing column and the bottom end of the pressing column extend into the upper positioning cavity and the upper guide cavity of the upper die plate respectively, the bottom end of the bearing column is downwards and sequentially provided with a pressing convex cambered surface and a punching part, the bearing column corresponds to the forming cavity, the outer diameter of the bearing column is matched with the inner diameter of the sprouting part, the punching part corresponds to the lower die punch, the pressing column corresponds to the transmission column, and the bottom end of the pressing column is higher than the bottom end of the punching part.
When the composite structure formed by punching and sprouting is adopted, during processing, a workpiece body is placed on the surface of a lower die assembly, so that the workpiece body corresponds to an upper cavity, as shown in fig. 4; the upper die base component descends along with the press to enable the upper die plate to be in contact with the lower die component, the workpiece body enters the upper cavity to achieve compaction and fixation of the workpiece body, and the upper end of the lower die punch is in contact with the bottom surface of the workpiece body, as shown in fig. 5; the upper die holder component continues to descend, overcomes the elasticity of the second elastic telescopic piece, gradually approaches the upper die plate, and the bearing column descends along with the upper die holder component, and is matched with the lower die punch to punch through the punching part, so that the transition hole is formed, as shown in fig. 6 and 7; the upper die holder component continues to descend, the pressing column presses the transmission column downwards, the elastic force of the first elastic telescopic piece is overcome, the lower die punch descends synchronously, the bearing column descends, the pressing convex cambered surface is gradually contacted with the workpiece body to bud, and the forming of the bud part is realized through the cooperation of the bearing column and the forming cavity, as shown in fig. 8 and 9; through this device structure, can realize the one shot forming of transition hole and sprouting portion, machining efficiency is high, once fixes a position the processing of accomplishing transition hole and sprouting portion, and machining precision is high.
Preferably, the surface of the lower die holder is provided with a lower mounting cavity, the first elastic telescopic piece comprises a lifting plate, the lifting plate is arranged inside the lower mounting cavity in a sliding mode, a first spring is arranged between the lifting plate and the inner bottom surface of the lower mounting cavity, positioning sleeves are arranged on the lifting plate and the inner bottom surface of the lower mounting cavity, and the positioning sleeves are in contact with the inner wall of the first spring.
Preferably, the lower die assembly comprises a lower die cushion plate connected to the surface of the lower die seat, the surface of the lower die cushion plate is connected with a lower die plate, the forming insert is embedded into the lower die plate, and the bottom surface of the lower die cushion plate is provided with a lower limit groove and a lower positioning groove;
the lower limiting groove and the lower positioning groove are communicated with the lower mounting cavity, the lower limiting groove corresponds to the limiting cavity and is communicated with a lower guide cavity, the bottom end of the transmission column extends into the lower limiting groove through the lower guide cavity and is provided with a lower limiting block, and the lower limiting block is abutted with the lifting plate;
the lower positioning groove corresponds to the forming cavity and is communicated with the lower positioning cavity, the bottom end of the lower die punch head stretches into the lower positioning groove through the lower positioning cavity and is provided with a lower positioning block, and the lower positioning block is in butt joint with the lifting plate.
Preferably, the two transmission columns are symmetrically distributed by taking the axis of the lower punch as a reference.
Preferably, the lower die punch is internally provided with a vertically extending discharging cavity in a penetrating manner, the discharging cavity corresponds to the punching part, the surface of the lifting plate is provided with a through hole in a penetrating manner, the through hole is correspondingly communicated with the discharging cavity, the bottom surface in the lower mounting cavity is provided with a blanking hole in a penetrating manner, and the blanking hole is correspondingly communicated with the through hole.
Preferably, the upper part of the blanking hole is of a straight hole structure, the inner diameter size of the blanking hole is matched with the outer diameter size of the punching part, the lower part of the blanking hole is of a taper hole structure, and the inner diameter size of the blanking hole is gradually increased downwards.
Preferably, the upper die holder assembly comprises a mounting seat, a first base plate and a second base plate are sequentially connected to the bottom surface of the mounting seat, an upper mounting cavity is formed in the bottom surface of the mounting seat, the second elastic telescopic piece comprises a lifting ring, the lifting ring is slidably arranged in the upper mounting cavity, a second spring is arranged between the lifting ring and the inner top surface of the upper mounting cavity, a lifting sleeve is arranged on the bottom surface of the lifting ring, the bottom end of the lifting sleeve penetrates through the first base plate and the second base plate and is in butt joint with the surface of the upper die plate, a connecting bolt is arranged inside the lifting ring, and the end part of the connecting bolt penetrates through the lifting sleeve and is in threaded connection with the upper die plate.
Preferably, the second elastic telescopic members are provided with four groups and distributed in a square structure.
Preferably, the bottom surface of the first backing plate is provided with an upper positioning groove and an upper limiting groove, the upper end of the bearing column penetrates through the second backing plate to extend into the upper positioning groove and is provided with an upper positioning block, and the upper end of the pressurizing column penetrates through the second backing plate to extend into the upper limiting groove and is provided with an upper limiting block.
The beneficial effects are that: the one-time processing and forming of the transition hole and the bud part can be realized, the processing efficiency is high, the processing of the transition hole and the bud part is completed by one-time positioning, and the processing precision is high.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a structure of a load column;
FIG. 3 is a schematic view of the structure of the first elastic expansion member;
FIG. 4 is a schematic illustration of an application of the present utility model;
FIG. 5 is a second application diagram of the present utility model;
FIG. 6 is a third schematic application of the present utility model;
FIG. 7 is an enlarged schematic view of portion A of FIG. 6;
FIG. 8 is a schematic diagram of an application of the present utility model;
FIG. 9 is an enlarged schematic view of portion B of FIG. 8;
fig. 10 is a schematic view of the formation of a workpiece.
The reference numerals are explained as follows:
1. a lower die holder; 101. a lower mounting cavity; 102. a blanking hole; 2. a first elastic expansion piece; 201. a lifting plate; 202. a through hole; 203. a first spring; 204. a positioning sleeve; 3. a lower die punch; 301. a discharge cavity; 302. a lower positioning block; 4. a lower die assembly; 401. a lower template; 402. a lower die backing plate; 403. a lower guide chamber; 404. a lower limit groove; 405. a lower positioning groove; 406. a lower positioning cavity; 5. molding the insert; 501. a molding cavity; 502. a spacing cavity; 6. an upper template; 601. an upper positioning cavity; 602. an upper guide chamber; 7. a second elastic expansion piece; 701. a lifting sleeve; 702. a connecting bolt; 703. a lifting ring; 704. a second spring; 8. an upper die holder assembly; 801. a mounting base; 802. a first backing plate; 803. a second backing plate; 804. an upper mounting cavity; 805. an upper positioning groove; 806. an upper limit groove; 9. a pressurizing column; 901. an upper limiting block; 10. a load-bearing column; 1001. an upper positioning block; 11. a punching part; 12. pressing the convex cambered surface; 13. a drive column; 1301. a lower limiting block; 14. a workpiece body; 1401. a transition hole; 1402. and (5) a sprouting part.
Description of the embodiments
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.
Referring to fig. 1-3, the utility model provides a punching and bud-forming composite structure, which comprises a lower die holder 1 and an upper die holder component 8, wherein the surface of the lower die holder 1 is connected with a lower die component 4, the surface of the lower die component 4 is embedded with a forming insert 5, a first elastic expansion piece 2 is arranged in the lower die holder 1, the lifting end of the first elastic expansion piece 2 is provided with a lower die punch 3 and a transmission column 13, the upper ends of the lower die punch 3 and the transmission column 13 respectively extend into a forming cavity 501 and a limiting cavity 502 of the forming insert 5 and are flush with the surface of the upper die component, and the inner diameter size of the forming cavity 501 is matched with the outer diameter size of a bud 1402;
the second elastic telescopic piece 7, the bearing column 10 and the pressing column 9 are arranged in the upper die holder assembly 8, the telescopic end of the second elastic telescopic piece 7 downwards penetrates through the bottom surface of the upper die holder assembly 8 and is connected with the upper die plate 6, and an upper die cavity for accommodating the workpiece body 14 is formed in the bottom surface of the upper die plate 6; the bottom ends of the bearing column 10 and the pressing column 9 respectively extend into the upper positioning cavity 601 and the upper guiding cavity 602 of the upper template 6, the bottom ends of the bearing column 10 are downwards and sequentially provided with a pressing convex cambered surface 12 and a punching part 11, the bearing column 10 corresponds to the forming cavity 501, the outer diameter size of the bearing column 10 is matched with the inner diameter size of the bud part 1402, the punching part 11 corresponds to the lower die punch 3, the pressing column 9 corresponds to the transmission column 13, and the bottom end of the pressing column 9 is higher than the bottom end of the punching part 11.
As an alternative embodiment, the surface of the lower die holder 1 is provided with a lower mounting cavity 101, the first elastic telescopic member 2 comprises a lifting plate 201, the lifting plate 201 is slidably arranged inside the lower mounting cavity 101, a first spring 203 is arranged between the lifting plate 201 and the inner bottom surface of the lower mounting cavity 101, positioning sleeves 204 are arranged on the inner bottom surfaces of the lifting plate 201 and the lower mounting cavity 101, the positioning sleeves 204 are in contact with the inner wall of the first spring 203, and in this way, lifting of the lifting plate 201 inside the lower mounting cavity 101 can be achieved by means of the elastic force of the first spring 203.
The lower die assembly 4 comprises a lower die pad 402 connected to the surface of the lower die holder 1, the surface of the lower die pad 402 is connected with a lower die plate 401, the molding insert 5 is embedded in the lower die plate 401, and the bottom surface of the lower die pad 402 is provided with a lower limit groove 404 and a lower positioning groove 405; the lower limiting groove 404 and the lower positioning groove 405 are both communicated with the lower mounting cavity 101, the lower limiting groove 404 corresponds to the limiting cavity 502 and is communicated with the lower guide cavity 403, the bottom end of the transmission column 13 extends into the lower limiting groove 404 through the lower guide cavity 403 and is provided with a lower limiting block 1301, and the lower limiting block 1301 is abutted against the lifting plate 201; the lower positioning groove 405 corresponds to the forming cavity 501 and is communicated with a lower positioning cavity 406, the bottom end of the lower die punch 3 extends into the lower positioning groove 405 through the lower positioning cavity 406 and is provided with the lower positioning block 302, the lower positioning block 302 is abutted with the lifting plate 201, by adopting the structure, the lower die punch 3 can be lifted along with the lifting plate 201, after the transmission column 13 is pressed, the lifting plate 201 is lowered against the elasticity of the first spring 203, so that the lower die punch 3 is lowered, and the bearing column 10 is ensured to be continuously lowered to form the bud 1402; meanwhile, by adopting the structure, the lower die punch 3 is convenient to disassemble and assemble, so that the lower die punch 3 is convenient to maintain and replace.
The transmission posts 13 are arranged in two, and are symmetrically distributed by taking the axis of the lower die punch 3 as a reference, so that the lifting plate 201 can be balanced in stress, and stable lifting of the lifting plate 201 is ensured.
The lower die punch 3 is internally provided with a vertically extending discharging cavity 301 in a penetrating manner, the discharging cavity 301 corresponds to the punching part 11, the surface of the lifting plate 201 is provided with a through hole 202 in a penetrating manner, the through hole 202 is correspondingly communicated with the discharging cavity 301, the inner bottom surface of the lower mounting cavity 101 is provided with a blanking hole 102 in a penetrating manner, the blanking hole 102 is correspondingly communicated with the through hole 202, and thus, waste generated by punching of the punching part 11 is discharged through the discharging cavity 301, the through hole 202, the lower mounting cavity 101 and the blanking hole 102, automatic discharge of waste is achieved, and subsequent production is facilitated.
The upper portion of blanking hole 102 is straight hole structure, and its internal diameter size and the external diameter size looks adaptation of punching a hole portion 11, and the lower part of blanking hole 102 is the taper hole structure, and its internal diameter size down increases gradually, adopts above-mentioned structure, can guarantee that the waste material that punches a hole and produce discharges smoothly.
The upper die holder assembly 8 comprises a mounting seat 801, a first base plate 802 and a second base plate 803 are sequentially connected to the bottom surface of the mounting seat 801, an upper mounting cavity 804 is formed in the bottom surface of the mounting seat 801, a second elastic telescopic piece 7 comprises a lifting ring 703, the lifting ring 703 is slidably arranged in the upper mounting cavity 804, a second spring 704 is arranged between the lifting ring 703 and the inner top surface of the upper mounting cavity 804, a lifting sleeve 701 is arranged on the bottom surface of the lifting ring 703, the bottom end of the lifting sleeve 701 penetrates through the first base plate 802 and the second base plate 803 and is in butt joint with the surface of the upper die plate 6, a connecting bolt 702 is arranged in the lifting ring 703, the end of the connecting bolt 702 penetrates through the lifting sleeve 701 and is in threaded connection with the upper die plate 6, and thus the lifting sleeve 701 can be driven to lift by the lifting ring 703 by the aid of the elasticity of the second spring 704, and accordingly the lower die holder assembly 1 and the upper die plate 6 can be lifted relatively.
The second elastic expansion piece 7 is provided with four groups and is distributed in a square structure, and the setting can ensure that the upper template 6 is stably lifted.
The bottom surface of the first backing plate 802 is provided with an upper positioning groove 805 and an upper limiting groove 806, the upper end of the bearing column 10 penetrates through the second backing plate 803 to extend into the upper positioning groove 805 and is provided with an upper positioning block 1001, and the upper end of the pressing column 9 penetrates through the second backing plate 803 to extend into the upper limiting groove 806 and is provided with an upper limiting block 901, so that the disassembly and assembly of the bearing column 10 are convenient to realize, and accordingly the maintenance and the replacement of the bearing column 10, the punching part 11 and the pressing convex arc surface 12 are convenient to carry out.
With the structure, during processing, the workpiece body 14 is placed on the surface of the lower die assembly 4, so that the workpiece body 14 corresponds to the upper cavity, as shown in fig. 4; the upper die holder assembly 8 descends along with the press, so that the upper die plate 6 contacts with the lower die assembly 4, the workpiece body 14 enters into the upper cavity to realize the compaction and fixation of the workpiece body 14, and the upper end of the lower die punch 3 contacts with the bottom surface of the workpiece body 14, as shown in fig. 5; the upper die holder assembly 8 continues to descend, the elastic force of the second elastic telescopic piece 7 is overcome, the upper die holder assembly 8 gradually approaches the upper die plate 6, the bearing column 10 descends along with the upper die holder assembly 8, and the punching part 11 is matched with the lower die punch 3 to punch, so that the forming of the transition hole 1401 is realized, as shown in fig. 6 and 7; the upper die holder assembly 8 continues to descend, the pressing column 9 presses the transmission column 13 downwards, overcomes the elasticity of the first elastic telescopic piece 2, enables the lower die punch 3 to descend synchronously, the bearing column 10 descends, the pressing convex cambered surface 12 gradually contacts with the workpiece body 14 to bud, and the bearing column 10 is matched with the die cavity 501 to form the bud part 1402, as shown in fig. 8 and 9; through this device structure, can realize the one shot forming of transition hole 1401 and sprouting portion 1402, machining efficiency is high, once fixes a position the processing of accomplishing transition hole 1401 and sprouting portion 1402, and machining precision is high.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (9)
1. The utility model provides a composite construction of shaping of punching a hole and sprouting which characterized in that: the die comprises a lower die holder (1) and an upper die holder component (8), wherein the surface of the lower die holder (1) is connected with a lower die component (4), a forming insert (5) is embedded in the surface of the lower die component (4), a first elastic telescopic piece (2) is arranged in the lower die holder (1), a lower die punch (3) and a transmission column (13) are arranged at the lifting end of the first elastic telescopic piece (2), the upper ends of the lower die punch (3) and the transmission column (13) respectively extend into a forming cavity (501) and a limiting cavity (502) of the forming insert (5), the inner diameter of the forming cavity (501) is level with the outer diameter of a sprouting part (1402);
the upper die holder assembly (8) is internally provided with a second elastic telescopic piece (7), a bearing column (10) and a pressurizing column (9), the telescopic end of the second elastic telescopic piece (7) downwards penetrates through the bottom surface of the upper die holder assembly (8) and is connected with an upper die plate (6), and the bottom surface of the upper die plate (6) is provided with an upper die cavity for accommodating a workpiece body (14); the bearing column (10) and the bottom end of the pressing column (9) respectively extend into an upper positioning cavity (601) and an upper guiding cavity (602) of the upper template (6), the bottom end of the bearing column (10) is downwards and sequentially provided with a pressing convex cambered surface (12) and a punching part (11), the bearing column (10) corresponds to a forming cavity (501), the outer diameter size of the bearing column (10) is matched with the inner diameter size of the sprouting part (1402), the punching part (11) corresponds to the lower die punch (3), the pressing column (9) corresponds to the transmission column (13), and the bottom end of the pressing column (9) is higher than the bottom end of the punching part (11).
2. A composite structure for punch and sprout forming as claimed in claim 1, wherein: the die comprises a die holder (1), and is characterized in that a lower mounting cavity (101) is formed in the surface of the die holder (1), the first elastic telescopic piece (2) comprises a lifting plate (201), the lifting plate (201) is arranged inside the lower mounting cavity (101) in a sliding mode, a first spring (203) is arranged between the lifting plate (201) and the inner bottom surface of the lower mounting cavity (101), positioning sleeves (204) are arranged on the inner bottom surfaces of the lifting plate (201) and the lower mounting cavity (101), and the positioning sleeves (204) are in contact with the inner wall of the first spring (203).
3. A composite structure for punch and sprout forming as claimed in claim 2, wherein: the lower die assembly (4) comprises a lower die base plate (402) connected to the surface of the lower die base (1), the surface of the lower die base plate (402) is connected with a lower die plate (401), the forming insert (5) is embedded into the lower die plate (401), and a lower limit groove (404) and a lower positioning groove (405) are formed in the bottom surface of the lower die base plate (402);
the lower limiting groove (404) and the lower positioning groove (405) are both communicated with the lower mounting cavity (101), the lower limiting groove (404) corresponds to the limiting cavity (502) and is communicated with the lower guide cavity (403), the bottom end of the transmission column (13) stretches into the lower limiting groove (404) through the lower guide cavity (403) and is provided with a lower limiting block (1301), and the lower limiting block (1301) is abutted with the lifting plate (201);
the lower positioning groove (405) corresponds to the forming cavity (501) and is communicated with the lower positioning cavity (406), the bottom end of the lower die punch (3) stretches into the lower positioning groove (405) through the lower positioning cavity (406) and is provided with the lower positioning block (302), and the lower positioning block (302) is in butt joint with the lifting plate (201).
4. A composite structure for punch and sprout forming according to claim 3 wherein: the two transmission columns (13) are symmetrically distributed by taking the axis of the lower die punch (3) as a reference.
5. A composite structure for punch and sprout forming according to claim 3 wherein: the lower die punch (3) is internally provided with a vertically extending discharging cavity (301) in a penetrating mode, the discharging cavity (301) corresponds to the punching part (11), the surface of the lifting plate (201) is provided with a through hole (202) in a penetrating mode, the through hole (202) is correspondingly communicated with the discharging cavity (301), the inner bottom surface of the lower mounting cavity (101) is provided with a discharging hole (102) in a penetrating mode, and the discharging hole (102) is correspondingly communicated with the through hole (202).
6. The composite structure of punch and sprout forming as claimed in claim 5, wherein: the upper part of the blanking hole (102) is of a straight hole structure, the inner diameter size of the blanking hole is matched with the outer diameter size of the punching part (11), the lower part of the blanking hole (102) is of a taper hole structure, and the inner diameter size of the blanking hole is gradually increased downwards.
7. A composite structure for punch and sprout forming as claimed in claim 1, wherein: the upper die holder assembly (8) comprises a mounting seat (801), a first base plate (802) and a second base plate (803) are sequentially connected to the bottom surface of the mounting seat (801), an upper mounting cavity (804) is formed in the bottom surface of the mounting seat (801), a second elastic telescopic piece (7) comprises a lifting ring (703), the lifting ring (703) is slidably arranged inside the upper mounting cavity (804), a second spring (704) is arranged between the lifting ring (703) and the inner top surface of the upper mounting cavity (804), a lifting sleeve (701) is arranged on the bottom surface of the lifting ring (703), the bottom end of the lifting sleeve (701) penetrates through the first base plate (802) and the second base plate (803) and is in butt joint with the surface of the upper die plate (6), a connecting bolt (702) is arranged inside the lifting ring (703), and the end of the connecting bolt (702) penetrates through the lifting sleeve (701) and is in threaded connection with the upper die plate (6).
8. The composite structure of punch and sprout forming as claimed in claim 7, wherein: the second elastic telescopic parts (7) are provided with four groups and are distributed in a square structure.
9. The composite structure of punch and sprout forming as claimed in claim 7, wherein: the first backing plate (802) bottom surface is provided with positioning groove (805) and last spacing recess (806), bear post (10) upper end and run through second backing plate (803) and stretch into inside positioning groove (805) and be provided with locating piece (1001) on, the pressure post (9) upper end runs through second backing plate (803) stretch into inside spacing recess (806) and be provided with stopper (901) on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321352969.6U CN219805257U (en) | 2023-05-31 | 2023-05-31 | Composite structure for punching and sprouting molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321352969.6U CN219805257U (en) | 2023-05-31 | 2023-05-31 | Composite structure for punching and sprouting molding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219805257U true CN219805257U (en) | 2023-10-10 |
Family
ID=88214837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321352969.6U Active CN219805257U (en) | 2023-05-31 | 2023-05-31 | Composite structure for punching and sprouting molding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219805257U (en) |
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2023
- 2023-05-31 CN CN202321352969.6U patent/CN219805257U/en active Active
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