Forming die with symmetrical piercing knives

Abstract

The utility model discloses a forming die with symmetrical puncture knives, and relates to the technical field of dies. The device comprises an upper die base, a lower die base, a male die mechanism, a female die mechanism and an edge folding forming mechanism, a base is fixed to the bottom of the lower die base through a plurality of supporting plates, guide columns are fixed to the four corners of the lower die base respectively, telescopic bases are slidably connected among the four guide columns, U-shaped guide bases are fixed to the two sides of the lower die base respectively, and the U-shaped guide bases are fixed to the lower die base. Multiple lower nitrogen springs are fixed to the top of the base. According to the utility model, the male die mechanism, the forming cavity of the forming seat, the upper die and the lower die are matched to integrally form a product main body and an edge folding part, and the piercing seat and the piercing groove are matched to form a symmetrical piercing opening, so that piercing forming, main body forming and edge folding forming are integrated; the use range of the mold can be greatly widened, multiple molds do not need to be used in sequence, and the forming efficiency and effect are greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of molds, in particular to a forming mold with symmetrical puncturing knives. Background Art

[0002] The molding of the puncture hole requires special tools and molds. For the molding of products with relatively complex structures and puncture holes, multiple molding methods are generally adopted. However, multiple molding will greatly reduce the molding efficiency. At the same time, it may cause poor positioning accuracy of the workpiece when transferring the workpiece, thereby affecting product quality. Therefore, designing an integrated molding mold with a puncture function is a problem that needs to be solved by workers in this field.

[0003] The same one-piece mold with a puncture function will have a relatively complex structure, resulting in excessive weight or volume, high cost and inconvenience in movement and replacement. If the mold cannot be used for products within a certain specification range or with slight structural differences, more mold preparation is required, which affects cost and is not conducive to operation. Summary of the Invention

[0004] The purpose of the utility model is to provide a forming mold with a symmetrical puncturing knife, which can realize integrated molding of the product main body and the folding part through the cooperation of the punch mechanism, the molding cavity of the molding seat, the upper mold and the lower mold, and can realize symmetrical puncturing opening molding through the cooperation of the puncturing seat and the puncturing groove, integrating the puncturing molding, main body molding and folding molding into one, which can greatly improve the use range of the mold, eliminate the need for sequential use of multiple molds, and greatly improve the molding efficiency and effect.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The utility model is a forming die with a symmetrical puncturing knife, comprising an upper die base, a lower die base, a punch mechanism, a die mechanism and a folding forming mechanism;

[0007] The bottom of the lower die base is fixed with a base through several support plates, the four corners of the lower die base are fixed with guide pillars, the four guide pillars are slidably connected with a telescopic seat, and U-shaped guide seats are fixed on both sides of the lower die base;

[0008] A plurality of lower nitrogen springs are fixed on the top of the base, and the lower nitrogen springs pass through the lower die base and are fixed to the bottom of the telescopic base. The telescopic base is provided with a folding opening, and a lower embedding groove is provided at the edge of the folding opening of the telescopic base;

[0009] The die mechanism includes a forming seat, which is fixed to the bottom of the upper die seat through a connecting seat. Both sides of the upper die seat are provided with guide plates that slide with the U-shaped guide seat. Several upper nitrogen springs are fixed in the connecting seat and the forming seat.

[0010] The forming seat is provided with a forming cavity, a middle forming block is embedded and fixed in the middle of the forming cavity, puncture seats are embedded and fixed on both sides of the forming cavity, an upper embedding groove is provided at the edge of the forming cavity, and the middle forming block and the puncture seat are both offset from the position of the upper nitrogen springs;

[0011] The hem forming mechanism comprises an upper mold and a lower mold, wherein the upper mold and the lower mold are fixed in the upper embedding groove and the lower embedding groove respectively;

[0012] The punch mechanism is fixed on the top surface of the lower die base, and the punch mechanism is provided with a forming area that cooperates with the forming cavity and the middle forming block, and both sides of the top of the upper module are provided with puncture grooves that cooperate with the puncture seat;

[0013] The male mold mechanism passes through the hem folding opening and forms a hem folding forming cavity between the male mold mechanism and the upper mold and the lower mold.

[0014] Furthermore, the male mold mechanism includes a lower module, a middle module and an upper module that are stacked, and the puncture groove and the forming area are provided on the upper module.

[0015] Furthermore, the guide column is a square column structure, and L-shaped notches are provided at the four corners of the telescopic seat. Wear-resistant sliders that slide along the guide column are fixed on the inner walls of the notches.

[0016] Furthermore, the upper mold and the lower mold are both composed of several sub-modules, the connecting surface of two adjacent sub-modules is a slope structure, the bottom surface of the sub-module of the upper mold is provided with a positioning convex edge, and the top surface of the sub-module of the lower mold is provided with a positioning concave edge that cooperates with the positioning convex edge.

[0017] Furthermore, a group of anti-collision bars are provided on both sides of the bottom surface of the upper mold base, and an anti-collision seat opposite to the anti-collision bar is fixed on the upper surface of the lower mold base.

[0018] Furthermore, a plurality of first anti-collision pads cooperating with the telescopic seat are fixed on the upper surface of the lower mold seat, and a plurality of second anti-collision pads cooperating with the forming seat are fixed on the upper surface of the telescopic seat.

[0019] Furthermore, a plurality of reinforcing columns are fixed between the lower die base and the base, and the plurality of reinforcing columns, the plurality of lower nitrogen springs and the plurality of support plates are staggered in position.

[0020] Furthermore, a plurality of key bodies are provided between the lower die block and the lower die base, between the lower die base and the middle die block, between the upper die block and the middle die block, between the connecting base and the upper die base, and between the connecting base and the forming base.

[0021] The utility model has the following beneficial effects:

[0022] 1. The utility model can integrally form the product body and the folding edge part through the cooperation of the punch mechanism, the forming cavity of the forming seat, the upper mold and the lower mold, and can form symmetrical puncture openings through the cooperation of the puncture seat and the puncture groove, integrating puncture molding, main body molding and folding edge molding into one, which can greatly improve the use range of the mold, eliminate the need for sequential use of multiple molds, and greatly improve the molding efficiency and effect.

[0023] 2. Through the design of the punch mechanism, die mechanism and folding forming mechanism during assembly, the various structures that make up each mechanism can be disassembled and assembled separately. The modules of the corresponding forming parts can be replaced according to the different structures or specifications of various positions of the product, which greatly improves the applicability of the mold.

[0024] 3. The utility model can greatly reduce the collision of the mold during the molding process through the design of the first anti-collision pad, the second anti-collision pad, the anti-collision rod and the anti-collision seat, thereby improving the stability and service life of the mold during use.

[0025] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0027] Figure 1 This is a structural schematic diagram of a forming die with a symmetrical puncturing knife according to the present invention;

[0028] Figure 2 This is an exploded view of the structure of the present utility model;

[0029] Figure 3 It is a structural diagram of the lower die base and punch mechanism;

[0030] Figure 4 It is a structural diagram of the lower mold and the telescopic seat;

[0031] Figure 5 It is a structural diagram of the upper die base, punch mechanism and upper die;

[0032] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0033] 1-upper die base, 2-lower die base, 3-punch mechanism, 4-telescopic seat, 5-forming seat, 6-upper die, 7-lower die, 8-anti-collision rod, 9-anti-collision seat, 10-key body, 101-guide plate, 201-support plate, 202-base, 203-guide column, 204-U-shaped guide seat, 205-nitrogen spring, 206-first anti-collision pad, 207-reinforcement column, 301-lower module, 302 -middle module, 303-upper module, 304-puncture groove, 401-folding edge clearance, 402-lower embedded groove, 403-second anti-collision pad, 404-notch, 405-wear-resistant slider, 501-connecting seat, 502-upper nitrogen spring, 503-molding cavity, 504-middle molding block, 505-puncture seat, 506-upper embedded groove, 601-positioning convex edge, 701-positioning concave edge. DETAILED DESCRIPTION

[0034] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0035] See also Figure 1-5 As shown, the utility model is a forming die with a symmetrical puncturing knife, comprising an upper die base 1, a lower die base 2, a punch mechanism 3, a die mechanism and a folding forming mechanism;

[0036] The bottom of the lower die base 2 is fixed with a base 202 through several support plates 201. Guide pillars 203 are fixed at the four corners of the lower die base 2. The telescopic base 4 is slidably connected between the four guide pillars 203. U-shaped guide seats 204 are fixed on both sides of the lower die base 2.

[0037] A plurality of lower nitrogen springs 205 are fixed on the top of the base 202. The lower nitrogen springs 205 pass through the lower die base 2 and are fixed to the bottom of the telescopic base 4. The telescopic base 4 is provided with a folding opening 401. The edge of the folding opening 401 of the telescopic base 4 is provided with a lower embedded groove 402.

[0038] The die mechanism includes a forming seat 5, which is fixed to the bottom of the upper die seat 1 through a connecting seat 501. Both sides of the upper die seat 1 are provided with guide plates 101 that slide with the U-shaped guide seat 204. Several upper nitrogen springs 502 are fixed in the connecting seat 501 and the forming seat 5.

[0039] A forming cavity 503 is provided on the forming seat 5. A middle forming block 504 is embedded and fixed in the middle of the forming cavity 503. Puncture seats 505 are embedded and fixed on both sides of the forming cavity 503. An upper embedding groove 506 is provided at the edge of the forming cavity 503. The middle forming block 504 and the puncture seat 505 are both offset from the position of the upper nitrogen springs 502.

[0040] The hem forming mechanism includes an upper mold 6 and a lower mold 7, which are fixed in the upper embedding groove 506 and the lower embedding groove 402 respectively;

[0041] The punch mechanism 3 is fixed to the top surface of the lower die base 2. The punch mechanism 3 is provided with a forming area that cooperates with the forming cavity 503 and the middle forming block 504. Both sides of the top of the upper die block 303 are provided with puncture grooves 304 that cooperate with the puncture seat 505.

[0042] The punch mechanism 3 passes through the hem folding opening 401 and forms a hem folding forming cavity between the punch mechanism 3 and the upper mold 6 and the lower mold 7 .

[0043] Among them Figure 2-3 As shown, the punch mechanism 3 includes a lower module 301 , a middle module 302 and an upper module 303 arranged in a stacked manner, and the puncturing groove 304 and the forming area are provided on the upper module 303 .

[0044] Among them Figure 1-4 As shown, the guide column 203 is a square column structure, and L-shaped notches 404 are provided at the four corners of the telescopic seat 4. A wear-resistant slider 405 that slides along the guide column 203 is fixed to the inner wall of the notch 404.

[0045] Among them Figure 2 and Figure 4-5 As shown, the upper mold 6 and the lower mold 7 are composed of several sub-modules, and the connecting surface of two adjacent sub-modules is a slope structure. The bottom surface of the sub-module of the upper mold 6 is provided with a positioning convex edge 601, and the top surface of the sub-module of the lower mold 7 is provided with a positioning concave edge 701 that cooperates with the positioning convex edge.

[0046] Among them Figure 1-3 and Figure 5 As shown, a group of anti-collision bars 8 are provided on both sides of the bottom surface of the upper mold base 1, and an anti-collision seat 9 opposite to the anti-collision bars 8 is fixed on the upper surface of the lower mold base 2.

[0047] Among them Figure 1-4 As shown, a plurality of first anti-collision pads 206 cooperating with the telescopic seat 4 are fixed on the upper surface of the lower mold seat 2 , and a plurality of second anti-collision pads 403 cooperating with the forming seat 5 are fixed on the upper surface of the telescopic seat 4 .

[0048] Among them Figure 1-3As shown, a plurality of reinforcing columns 207 are fixed between the lower die base 2 and the base 202 , and the plurality of reinforcing columns 207 , the plurality of lower nitrogen springs 205 and the plurality of support plates 201 are staggered in position.

[0049] Among them Figure 2 As shown, several key bodies 10 are provided between the lower module 301 and the lower mold base 2, between the lower mold base 2 and the middle module 302, between the upper module 303 and the middle module 302, between the connecting base 501 and the upper mold base 1, and between the connecting base 501 and the forming base 5.

[0050] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0051] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A forming die with a symmetrical puncturing knife, characterized in that: It includes an upper die base (1), a lower die base (2), a punch mechanism (3), a die mechanism and a folding forming mechanism; The bottom of the lower die base (2) is fixed with a base (202) via a plurality of support plates (201), the four corners of the lower die base (2) are fixed with guide pillars (203), the four guide pillars (203) are slidably connected with a telescopic seat (4), and both sides of the lower die base (2) are fixed with U-shaped guide seats (204); A plurality of lower nitrogen springs (205) are fixed on the top of the base (202), and the lower nitrogen springs (205) pass through the lower die base (2) and are fixed to the bottom of the telescopic base (4). The telescopic base (4) is provided with a folding edge clearance opening (401), and a lower embedding groove (402) is provided at the edge of the folding edge clearance opening (401) of the telescopic base (4); The die mechanism comprises a forming seat (5), the forming seat (5) being fixed to the bottom of the upper die seat (1) via a connecting seat (501), guide plates (101) slidingly engaged with the U-shaped guide seat (204) being provided on both sides of the upper die seat (1), and a plurality of upper nitrogen springs (502) being fixed in the connecting seat (501) and the forming seat (5); The forming seat (5) is provided with a forming cavity (503), a middle forming block (504) is embedded and fixed in the middle of the forming cavity (503), puncture seats (505) are embedded and fixed on both sides of the forming cavity (503), an upper embedding groove (506) is provided at the edge of the forming cavity (503), and the middle forming block (504) and the puncture seat (505) are both misaligned with the position of the plurality of upper nitrogen springs (502); The folding forming mechanism comprises an upper mold (6) and a lower mold (7), wherein the upper mold (6) and the lower mold (7) are fixed in an upper embedding groove (506) and a lower embedding groove (402), respectively; The punch mechanism (3) is fixed on the top surface of the lower die base (2), and a forming area cooperating with the forming cavity (503) and the middle forming block (504) is provided on the punch mechanism (3). The punch mechanism (3) comprises a lower module (301), a middle module (302), and an upper module (303) arranged in a stacked manner. Both sides of the top of the upper module (303) are provided with puncture grooves (304) cooperating with the puncture seat (505), and the puncture grooves (304) and the forming area are arranged on the upper module (303); The male mold mechanism (3) passes through the hem folding opening (401) and forms a hem folding forming cavity between the upper mold (6) and the lower mold (7).

2. A forming die with a symmetrical puncture knife according to claim 1, characterized in that: The guide column (203) is a square column structure. L-shaped notches (404) are provided at the four corners of the telescopic seat (4). A wear-resistant slider (405) is fixed to the inner wall of the notch (404) and slides along the guide column (203).

3. A forming die with a symmetrical puncturing knife according to claim 1, characterized in that: The upper mold (6) and the lower mold (7) are both composed of a plurality of submodules, and the connecting surface of two adjacent submodules is a slope structure. The bottom surface of the submodule of the upper mold (6) is provided with a positioning convex edge (601), and the top surface of the submodule of the lower mold (7) is provided with a positioning concave edge (701) that cooperates with the positioning convex edge.

4. A forming die with a symmetrical puncturing knife according to claim 1, characterized in that: A group of anti-collision rods (8) are provided on both sides of the bottom surface of the upper die base (1), and an anti-collision seat (9) opposite to the anti-collision rods (8) is fixed on the upper surface of the lower die base (2).

5. The forming die with a symmetrical puncturing knife according to claim 1, characterized in that: A plurality of first anti-collision pads (206) cooperating with the telescopic seat (4) are fixed on the upper surface of the lower mold seat (2), and a plurality of second anti-collision pads (403) cooperating with the forming seat (5) are fixed on the upper surface of the telescopic seat (4).

6. The forming die with a symmetrical puncturing knife according to claim 1, characterized in that: A plurality of reinforcing columns (207) are fixed between the lower die base (2) and the base (202), and the plurality of reinforcing columns (207), the plurality of lower nitrogen springs (205), and the plurality of support plates (201) are misaligned.

7. The forming die with a symmetrical puncturing knife according to claim 1, characterized in that: A plurality of key bodies (10) are provided between the lower die block (301) and the lower die base (2), between the lower die base (2) and the middle die block (302), between the upper die block (303) and the middle die block (302), between the connecting base (501) and the upper die base (1), and between the connecting base (501) and the forming base (5).

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