CN219805258U - Puncture forming and punching composite structure - Google Patents
Puncture forming and punching composite structure Download PDFInfo
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- CN219805258U CN219805258U CN202321352978.5U CN202321352978U CN219805258U CN 219805258 U CN219805258 U CN 219805258U CN 202321352978 U CN202321352978 U CN 202321352978U CN 219805258 U CN219805258 U CN 219805258U
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- 239000002131 composite material Substances 0.000 title claims abstract description 20
- 238000004080 punching Methods 0.000 title abstract description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 35
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 30
- 229910052757 nitrogen Inorganic materials 0.000 claims description 15
- 238000007599 discharging Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 1
- 238000007493 shaping process Methods 0.000 claims 1
- 238000000465 moulding Methods 0.000 abstract description 23
- 238000005452 bending Methods 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a puncture molding and punching composite structure, which comprises a lower die holder component and an upper die holder component, wherein a first elastic telescopic piece is arranged in the lower die holder component, the telescopic end of the first elastic telescopic piece is vertically upwards and is connected with a lower die plate, the center of the lower die holder component is provided with a lower die punch, and the upper end of the lower die punch stretches into a molding through cavity in the center of the lower die plate; the upper die base assembly is characterized in that a second elastic expansion piece is arranged inside the upper die base assembly, the expansion end of the second elastic expansion piece is downward and connected with an upper die assembly, a forming insert is arranged on the bottom surface of the upper die assembly, a profiling cavity is arranged on the bottom surface of the forming insert, a guide hole communicated with the profiling cavity is formed inside the forming insert, an upper die punch is arranged on the bottom surface of the upper die base assembly, and the upper die punch stretches into the guide hole. The beneficial effects are that: the one-time forming of stamping bending and punching processing can be realized, the forming precision is high, and the processing efficiency is high.
Description
Technical Field
The utility model relates to the technical field of forming dies, in particular to a puncture forming and punching composite structure.
Background
When the workpiece is formed as shown in fig. 7, the steps of multiple steps are needed, the stamping forming bending structure is firstly performed, then the surface of the bending structure is punched, the multiple steps are performed step by step, the production efficiency is low, the workpiece is needed to be positioned multiple times during the step, and the forming precision of the workpiece can be directly affected by the positioning accumulated errors. Therefore, the composite structure of puncture forming and punching is designed, the one-step forming of the workpiece in fig. 7 can be realized, and the forming precision and the efficiency are high.
Disclosure of Invention
The present utility model aims to solve the above problems and provide a puncture-molded and punched composite structure, 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 puncture-molding and punching composite structure, which comprises a lower die holder component and an upper die holder component, wherein a first elastic telescopic piece is arranged in the lower die holder component, the telescopic end of the first elastic telescopic piece vertically penetrates through the surface of the lower die holder component upwards and is connected with a lower die plate, the surface of the lower die plate is provided with a lower cavity for placing a workpiece body, the center of the lower die holder component is provided with a lower die punch, the upper end of the lower die punch stretches into a molding through cavity in the center of the lower die plate, and the shape of the upper end of the lower die punch is matched with the shape of the bottom surface of a molding part of the workpiece body;
the upper die holder assembly is internally provided with a second elastic expansion piece, the shrinkage stress of the second elastic expansion piece is larger than that of the first elastic expansion piece, the expansion end of the second elastic expansion piece downwards penetrates through the bottom surface of the upper die holder assembly and is connected with an upper die assembly, the bottom surface of the upper die assembly is provided with an upper die cavity which is matched with a lower die cavity to accommodate a workpiece body, the bottom surface of the upper die assembly is provided with a molding insert, the bottom surface of the molding insert is provided with a profiling cavity, the profiling cavity is matched with the surface of a molding part of the workpiece body, the profiling cavity corresponds to a lower die punch, and puncture edges are arranged at two sides of an opening of the profiling cavity and are used for realizing puncture separation of the molding part and the workpiece body; the forming insert is internally provided with a guide hole communicated with the profiling cavity, the bottom surface of the upper die holder assembly is provided with an upper die punch, and the upper die punch stretches into the guide hole and corresponds to the forming through hole on the surface of the forming part.
By adopting the composite structure for piercing, forming and punching, during processing, a workpiece body is placed in a lower cavity on the surface of a lower die plate, as shown in fig. 4, the upper die holder component is driven by a press machine to descend, when the bottom surface of the upper die component is in contact with the surface of the lower die plate, the workpiece body completely enters the cavity formed by the lower cavity and the upper cavity, the upper die holder component is continuously descended, and as the shrinkage stress of the second elastic expansion piece is larger than that of the first elastic expansion piece, the first elastic expansion piece is shrunk, the upper die plate is descended in a follow-up manner until the upper die plate is in contact with the lower die holder component, and in the descending process, the piercing knife edge pierces the workpiece body, so that the separation of a forming part and the workpiece body is realized, and the stamping bending forming of the forming part is realized by matching the lower die punch with a profiling cavity; the upper die base component continues to descend, the second elastic expansion piece contracts, the upper die punch descends along with the upper die base component, the bottom end of the upper die punch enters the profiling cavity, and the surface of the forming part is punched to form a forming through hole; the composite structure can realize one-step molding of stamping bending and punching processing, and has high molding precision and high processing efficiency.
Preferably, the first elastic telescopic members are provided with four groups and distributed in a square structure.
Preferably, the die holder assembly comprises a lower mounting seat and a die holder backing plate, the die holder backing plate is connected to the surface of the lower mounting seat through bolts, a lifting through cavity is formed in the surface of the die holder backing plate in a penetrating mode, a mounting cavity is formed in the surface of the lower mounting seat, the first elastic telescopic piece comprises a lifting ring, the lifting ring is arranged inside the mounting cavity in a sliding mode, a spring is arranged between the lifting ring and the bottom surface of the mounting cavity, a lifting sleeve is arranged on the surface of the lifting ring, the upper end of the lifting sleeve penetrates through the lifting through cavity and is in butt joint with the bottom surface of the lower die plate, a limiting bolt is arranged in an inner hole of the lifting ring, and the upper end of the limiting bolt penetrates through the lifting sleeve and is in threaded connection with the bottom surface of the lower die plate.
Preferably, the surface of the lower die base backing plate is provided with a positioning cavity in a penetrating mode, the bottom end of the lower die punch head is provided with a limiting block in a penetrating mode, the surface of the lower die punch head is provided with a discharging hole, the discharging hole vertically penetrates through the limiting block downwards, the surface of the lower mounting seat is provided with a limiting groove for accommodating the limiting block, the inner bottom surface of the limiting groove is provided with a material leakage cavity, and the material leakage cavity penetrates through the lower mounting seat and is correspondingly communicated with the discharging hole.
Preferably, a positioning slot is formed in the side face of the lower die punch, a positioning insert block is connected to the lower die base plate through a positioning bolt, and the positioning insert block is in plug-in fit with the positioning slot and used for positioning the lower die punch, and an avoidance cavity is correspondingly formed in the bottom face of the lower die plate.
Preferably, the upper part of the discharge hole is of a straight hole structure and is matched with the forming through hole on the surface of the forming part, the middle part and the bottom of the discharge hole are of a conical hole structure, and the inner diameter size of the discharge cavity is larger than that of the bottom end of the discharge hole.
Preferably, the upper die base component comprises an upper mounting seat, the bottom surface of the upper mounting seat is sequentially connected with a first upper die base plate and a second upper die base plate through bolts, the upper die component comprises an upper die plate, and the surface of the upper die plate is connected with an upper die base plate through bolts;
the second elastic expansion piece comprises a nitrogen cylinder, the nitrogen cylinder is embedded and installed inside the upper installation seat, the expansion end of the nitrogen cylinder downwards penetrates through the first upper die base backing plate and the second upper die base backing plate, a counter bore is formed in the bottom surface of the upper die backing plate, a connecting bolt is arranged inside the counter bore, and the connecting bolt is in threaded connection with the expansion end of the nitrogen cylinder.
Preferably, the second elastic telescopic members are provided with a plurality of groups and distributed in a square structure.
Preferably, the surface of the molding insert is provided with a third reinforcing hole, the third reinforcing hole is coaxially communicated with the guide hole, the surface of the upper die cushion plate is penetrated and provided with a second reinforcing hole, the second reinforcing hole is coaxially communicated with the third reinforcing hole, the surface of the second upper die seat cushion plate is provided with a positioning groove, a positioning cushion block is arranged inside the positioning groove, a reinforcing column is formed on the bottom surface of the positioning cushion block, the bottom end of the reinforcing column penetrates through the first reinforcing hole on the bottom surface of the positioning groove and stretches into the inside of the second reinforcing hole, and an upper die punch is formed on the bottom end of the reinforcing column.
The beneficial effects are that: the one-time forming of stamping bending and punching processing can be realized, the forming precision is high, and the processing efficiency 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 the mounting structure of the lower die punch;
FIG. 3 is a schematic view of the mounting structure of the upper die punch;
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 a schematic view of the formation of a workpiece.
The reference numerals are explained as follows:
1. a lower die holder assembly; 101. a lower mounting seat; 102. a material leakage cavity; 103. a limit groove; 104. a mounting cavity; 105. a lower die holder backing plate; 106. lifting the through cavity; 107. a positioning cavity; 2. a first elastic expansion piece; 201. a lifting sleeve; 202. a limit bolt; 203. a spring; 204. a lifting ring; 3. a lower template; 301. an avoidance cavity; 302. forming a through cavity; 4. a lower die punch; 401. a limiting block; 402. a discharge hole; 403. positioning the slot; 404. positioning the insert block; 405. positioning bolts; 5. an upper die assembly; 501. an upper template; 502. an upper die backing plate; 503. countersink; 504. a second reinforcing hole; 6. a second elastic expansion piece; 601. a nitrogen cylinder; 602. a connecting bolt; 7. an upper die holder assembly; 701. an upper mounting seat; 702. a first upper die holder backing plate; 703. a second upper die holder backing plate; 704. a positioning groove; 705. a first reinforcing hole; 8. an upper die punch; 801. a reinforcing column; 802. positioning cushion blocks; 9. molding the insert; 901. a profiling cavity; 902. a third reinforcing hole; 903. a guide hole; 10. a piercing knife edge; 11. a workpiece body; 1101. a molding part; 1102. and forming the through holes.
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 puncture-forming and punching composite structure, which comprises a lower die holder assembly 1 and an upper die holder assembly 7, wherein a first elastic telescopic piece 2 is arranged in the lower die holder assembly 1, the telescopic end of the first elastic telescopic piece 2 vertically penetrates through the surface of the lower die holder assembly 1 upwards and is connected with a lower die plate 3, a lower cavity for placing a workpiece body 11 is arranged on the surface of the lower die plate 3, a lower die punch 4 is arranged in the center of the lower die holder assembly 1, the upper end of the lower die punch 4 stretches into a forming through cavity 302 in the center of the lower die plate 3, and the shape of the upper end of the lower die punch 4 is matched with the shape of the bottom surface of a forming part 1101 of the workpiece body 11;
the inside of the upper die holder assembly 7 is provided with a second elastic expansion piece 6, the shrinkage stress of the second elastic expansion piece 6 is larger than that of the first elastic expansion piece 2, the expansion end of the second elastic expansion piece 6 downwards penetrates through the bottom surface of the upper die holder assembly 7 and is connected with the upper die assembly 5, the bottom surface of the upper die assembly 5 is provided with an upper die cavity which is matched with the lower die cavity to accommodate the workpiece body 11, the bottom surface of the upper die assembly 5 is provided with a molding insert 9, the bottom surface of the molding insert 9 is provided with a profiling cavity 901, the profiling cavity 901 is matched with the surface of a molding part 1101 of the workpiece body 11, the profiling cavity 901 corresponds to the lower die punch 4, and puncture edges 10 are arranged at two sides of an opening of the profiling cavity 901 and are used for realizing puncture separation of the molding part 1101 and the workpiece body 11; the forming insert 9 is internally provided with a guide hole 903 communicated with the profiling cavity 901, the bottom surface of the upper die holder assembly 7 is provided with an upper die punch 8, and the upper die punch 8 extends into the guide hole 903 and corresponds to a forming through hole 1102 on the surface of the forming part 1101.
As an alternative embodiment, the first elastic telescopic members 2 are provided with four groups and are distributed in a square structure, so that the lower die plate 3 can be stably lifted.
The lower die holder assembly 1 comprises a lower mounting seat 101 and a lower die holder backing plate 105, the lower die holder backing plate 105 is connected to the surface of the lower mounting seat 101 through bolts, a lifting through cavity 106 is formed in the surface of the lower die holder backing plate 105 in a penetrating manner, a mounting cavity 104 is formed in the surface of the lower mounting seat 101, the first elastic telescopic piece 2 comprises a lifting ring 204, the lifting ring 204 is slidably arranged in the mounting cavity 104, a spring 203 is arranged between the lifting ring 204 and the bottom surface of the mounting cavity 104, a lifting sleeve 201 is arranged on the surface of the lifting ring 204, the upper end of the lifting sleeve 201 penetrates through the lifting through cavity 106 and is abutted to the bottom surface of the lower die plate 3, a limit bolt 202 is arranged in an inner hole of the lifting ring 204, the upper end of the limit bolt 202 penetrates through the lifting sleeve 201 and is in threaded connection with the bottom surface of the lower die plate 3, and in such a manner, the spring 203 upwards props the lifting ring 204, so that the lifting sleeve 201 upwards props against the lower die plate 3 away from the lower die holder backing plate 105; after the lower die plate 3 is stressed, the spring 203 is stressed to shrink, and the lower die plate 3 drives the lifting sleeve 201 and the lifting ring 204 to descend until the lower die plate 3 is contacted with the lower die seat backing plate 105.
The surface of the lower die base plate 105 is provided with a positioning cavity 107 in a penetrating way, the bottom end of the lower die punch 4 penetrates through the positioning cavity 107 and is provided with a limiting block 401, the surface of the lower die punch 4 is provided with a discharging hole 402, the discharging hole 402 vertically penetrates through the limiting block 401 downwards, the surface of the lower mounting seat 101 is provided with a limiting groove 103 for accommodating the limiting block 401, the inner bottom surface of the limiting groove 103 is provided with a material leakage cavity 102, the material leakage cavity 102 penetrates through the lower mounting seat 101 and is correspondingly communicated with the discharging hole 402, in this way, in the stress descending process of the lower die plate 3, the upper end of the lower die punch 4 relatively ascends in the forming through cavity 302 until the lower die punch 4 contacts with the workpiece body 11, and the forming through cavity 901 is matched with the forming cavity 1101 to realize stamping bending forming of the forming part 1101; after the upper die punch 8 punches the surface of the forming part 1101, the generated waste is discharged through the discharge hole 402 and the discharge cavity 102, so that the forming of the next workpiece body 11 is facilitated; the lower die punch 4 is convenient to disassemble and assemble by adopting the structure, so that the lower die punch 4 is convenient to maintain and replace.
The side of the lower die punch 4 is provided with a positioning slot 403, the lower die holder backing plate 105 is connected with a positioning insert block 404 through a positioning bolt 405, the positioning insert block 404 is in plug-in fit with the positioning slot 403 and used for positioning the lower die punch 4, the bottom surface of the lower die plate 3 is correspondingly provided with an avoidance cavity 301, and the lower die punch 4 is positioned through the positioning insert block 404 and the positioning slot 403, so that the upper end of the lower die punch 4 is accurately corresponding to the profiling cavity 901, and the molding precision of the molding part 1101 is ensured.
The upper part of the discharge hole 402 is of a straight hole structure and is matched with a forming through hole 1102 on the surface of the forming part 1101, the middle part and the bottom of the discharge hole 402 are of a conical hole structure, the inner diameter size of the discharge cavity 102 is larger than that of the bottom end of the discharge hole 402, and waste generated by punching of the upper die punch 8 can be smoothly discharged by adopting the discharge hole 402 and the discharge cavity 102 with the structures.
The upper die base assembly 7 comprises an upper mounting seat 701, a first upper die base pad 702 and a second upper die base pad 703 are sequentially connected with the bottom surface of the upper mounting seat 701 through bolts, the upper die assembly 5 comprises an upper die plate 501, and an upper die pad 502 is connected with the surface of the upper die plate 501 through bolts; the second elastic expansion piece 6 includes nitrogen cylinder 601, nitrogen cylinder 601 embedding is installed inside last mount pad 701, the flexible end of nitrogen cylinder 601 runs through first upper die base backing plate 702 and second upper die base backing plate 703 downwards, the upper die backing plate 502 bottom surface is provided with counter bore 503, the inside connecting bolt 602 that is provided with of counter bore 503, connecting bolt 602 and the flexible end threaded connection of nitrogen cylinder 601 set up like this, can realize the lift of last module 5 through nitrogen cylinder 601, adopt above-mentioned structure to be convenient for realize the connection of nitrogen cylinder 601 and last module 5.
The second elastic expansion piece 6 is provided with the multiunit, and is square structure distribution, sets up like this, can guarantee the steady lift of last module 5.
The surface of the molding insert 9 is provided with a third reinforcing hole 902, the third reinforcing hole 902 is coaxially communicated with the guide hole 903, the surface of the upper die cushion plate 502 is penetrated and provided with a second reinforcing hole 504, the second reinforcing hole 504 is coaxially communicated with the third reinforcing hole 902, the surface of the second upper die cushion plate 703 is provided with a positioning groove 704, a positioning cushion block 802 is arranged in the positioning groove 704, the bottom surface of the positioning cushion block 802 is molded with a reinforcing column 801, the bottom end of the reinforcing column 801 penetrates through a first reinforcing hole 705 in the bottom surface of the positioning groove 704 and stretches into the second reinforcing hole 504, the bottom end of the reinforcing column 801 is molded with an upper die punch 8, the strength of the upper die punch 8 can be improved through the reinforcing column 801, smooth punching is ensured, and meanwhile, the structure is convenient to realize the disassembly and assembly of the upper die punch 8, so that the maintenance and the replacement of the upper die punch 8 are convenient to realize.
With the structure, during processing, the workpiece body 11 is placed in the lower cavity on the surface of the lower die plate 3, as shown in fig. 4, the upper die holder assembly 7 is driven to descend, when the bottom surface of the upper die assembly 5 is in contact with the surface of the lower die plate 3, the workpiece body 11 completely enters the cavity formed by the lower cavity and the upper cavity, the upper die holder assembly 7 is continuously descended, because the shrinkage stress of the second elastic expansion piece 6 is larger than that of the first elastic expansion piece 2, the first elastic expansion piece 2 is shrunk, the upper die plate 501 is descended in a follow-up manner until being in contact with the lower die holder assembly 1, in the descending process, the puncture knife edge 10 punctures the workpiece body 11, separation of the forming part 1101 and the workpiece body 11 is realized, and stamping and bending forming of the forming part 1101 are realized by matching the lower die punch 4 with the profiling cavity 901; the upper die holder assembly 7 continues to descend, the second elastic telescopic piece 6 contracts, the upper die punch 8 descends along with the upper die holder assembly 7, the bottom end of the upper die punch 8 enters the profiling cavity 901, and the surface of the forming part 1101 is punched, so that the forming of the forming through hole 1102 is realized; the composite structure can realize one-step molding of stamping bending and punching processing, and has high molding precision and high processing efficiency.
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 puncture shaping adds composite construction who punches a hole which characterized in that: the forming die comprises a lower die holder component (1) and an upper die holder component (7), wherein a first elastic telescopic piece (2) is arranged inside the lower die holder component (1), the telescopic end of the first elastic telescopic piece (2) vertically penetrates through the surface of the lower die holder component (1) upwards and is connected with a lower die plate (3), a lower die cavity for placing a workpiece body (11) is formed in the surface of the lower die plate (3), a lower die punch (4) is arranged in the center of the lower die holder component (1), the upper end of the lower die punch (4) stretches into a forming through cavity (302) in the center of the lower die plate (3), and the shape of the upper end of the lower die punch (4) is matched with the shape of the bottom surface of a forming part (1101) of the workpiece body (11);
the die comprises an upper die holder assembly (7), wherein a second elastic expansion piece (6) is arranged inside the upper die holder assembly (7), the shrinkage stress of the second elastic expansion piece (6) is larger than that of a first elastic expansion piece (2), the expansion end of the second elastic expansion piece (6) downwards penetrates through the bottom surface of the upper die holder assembly (7) and is connected with an upper die assembly (5), an upper cavity which is matched with a lower cavity to accommodate a workpiece body (11) is arranged on the bottom surface of the upper die assembly (5), a forming insert (9) is arranged on the bottom surface of the upper die assembly (5), a profiling cavity (901) is arranged on the bottom surface of the forming insert (9), the profiling cavity (901) is matched with the surface of a forming part (1101) of the workpiece body (11), the profiling cavity (901) corresponds to a lower die punch (4), and puncture edges (10) are arranged on two sides of an opening of the profiling cavity (901) and are used for realizing puncture separation of the forming part (1101) and the workpiece body (11); the forming mold insert is characterized in that a guide hole (903) communicated with the profiling cavity (901) is formed in the forming mold insert (9), an upper die punch head (8) is arranged on the bottom surface of the upper die base assembly (7), and the upper die punch head (8) stretches into the guide hole (903) and corresponds to a forming through hole (1102) in the surface of the forming part (1101).
2. The puncture-molded and punched composite structure of claim 1, wherein: the first elastic telescopic parts (2) are provided with four groups and are distributed in a square structure.
3. A puncture-molded plus punch composite structure as set forth in claim 2, wherein: the die holder assembly (1) comprises a lower mounting seat (101) and a lower die holder base plate (105), the lower die holder base plate (105) is connected with the surface of the lower mounting seat (101) through bolts, a lifting through cavity (106) is formed in the surface of the lower die holder base plate (105), a mounting cavity (104) is formed in the surface of the lower mounting seat (101), the first elastic telescopic piece (2) comprises a lifting ring (204), the lifting ring (204) is slidably arranged in the mounting cavity (104), a spring (203) is arranged between the lifting ring (204) and the bottom surface of the mounting cavity (104), a lifting sleeve (201) is arranged on the surface of the lifting ring (204), the upper end of the lifting sleeve (201) penetrates through the lifting through cavity (106) and is in butt joint with the bottom surface of the lower die plate (3), and a limit bolt (202) is arranged in an inner hole of the lifting ring (204) and penetrates through the lifting sleeve (201) and is in threaded connection with the bottom surface of the lower die plate (3).
4. A puncture-molded plus punch composite structure as set forth in claim 3, wherein: the die comprises a die holder, a lower die base plate (105), a lower die punch (4), a limiting block (401), a discharging hole (402) and a limiting groove (103) for accommodating the limiting block (401), wherein the surface of the lower die base plate (105) is penetrated and provided with the positioning cavity (107), the bottom end of the lower die punch (4) penetrates through the positioning cavity (107) and is provided with the limiting block (401), the discharging hole (402) vertically penetrates downwards through the limiting block (401), the surface of the lower mounting seat (101) is provided with the limiting groove (103), the inner bottom surface of the limiting groove (103) is provided with a material leakage cavity (102), and the material leakage cavity (102) penetrates through the lower mounting seat (101) and is correspondingly communicated with the discharging hole (402).
5. The puncture-molded and punched composite structure of claim 4, wherein: the side of the lower die punch (4) is provided with a positioning slot (403), the lower die base backing plate (105) is connected with a positioning insert block (404) through a positioning bolt (405), the positioning insert block (404) is in plug-in fit with the positioning slot (403) and is used for positioning the lower die punch (4), and the bottom surface of the lower die plate (3) is correspondingly provided with an avoidance cavity (301).
6. The puncture-molded and punched composite structure of claim 4, wherein: the upper part of the discharge hole (402) is of a straight hole structure and is matched with a forming through hole (1102) on the surface of the forming part (1101), the middle part and the bottom of the discharge hole (402) are of a conical hole structure, and the inner diameter size of the discharge cavity (102) is larger than that of the bottom end of the discharge hole (402).
7. The puncture-molded and punched composite structure of claim 1, wherein: the upper die base assembly (7) comprises an upper mounting seat (701), a first upper die base plate (702) and a second upper die base plate (703) are sequentially connected to the bottom surface of the upper mounting seat (701) through bolts, the upper die assembly (5) comprises an upper die plate (501), and an upper die base plate (502) is connected to the surface of the upper die plate (501) through bolts;
the second elastic expansion piece (6) comprises a nitrogen cylinder (601), the nitrogen cylinder (601) is embedded and installed inside an upper installation seat (701), the expansion end of the nitrogen cylinder (601) downwards penetrates through a first upper die base plate (702) and a second upper die base plate (703), a counter bore (503) is formed in the bottom surface of the upper die base plate (502), a connecting bolt (602) is arranged inside the counter bore (503), and the connecting bolt (602) is in threaded connection with the expansion end of the nitrogen cylinder (601).
8. The puncture-molded and punched composite structure of claim 7, wherein: the second elastic telescopic parts (6) are provided with a plurality of groups and are distributed in a square structure.
9. The puncture-molded and punched composite structure of claim 7, wherein: the forming insert is characterized in that a third reinforcing hole (902) is formed in the surface of the forming insert (9), the third reinforcing hole (902) is coaxially communicated with the guide hole (903), a second reinforcing hole (504) is formed in the surface of the upper die cushion plate (502) in a penetrating mode, the second reinforcing hole (504) is coaxially communicated with the third reinforcing hole (902), a positioning groove (704) is formed in the surface of the second upper die seat cushion plate (703), a positioning cushion block (802) is arranged in the positioning groove (704), a reinforcing column (801) is formed in the bottom surface of the positioning cushion block (802), a first reinforcing hole (705) in the bottom surface of the reinforcing column (801) penetrates through the positioning groove (704) and stretches into the inside of the second reinforcing hole (504), and an upper die punch (8) is formed in the bottom end of the reinforcing column (801).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321352978.5U CN219805258U (en) | 2023-05-31 | 2023-05-31 | Puncture forming and punching composite structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321352978.5U CN219805258U (en) | 2023-05-31 | 2023-05-31 | Puncture forming and punching composite structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219805258U true CN219805258U (en) | 2023-10-10 |
Family
ID=88210499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321352978.5U Active CN219805258U (en) | 2023-05-31 | 2023-05-31 | Puncture forming and punching composite structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219805258U (en) |
-
2023
- 2023-05-31 CN CN202321352978.5U patent/CN219805258U/en active Active
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