Punching and trimming combined die for automobile door parts

Abstract

The utility model provides a punching and trimming combined die for automobile door parts, and belongs to the technical field of stamping dies. The punching and trimming combined stamping mechanism comprises a top plate and a base, wherein the punching and trimming combined stamping mechanism formed by combining a first stamping module and a second stamping module is arranged between the top plate and the base. When the top plate and the base are closed, the first upper stamping face and the first lower stamping face can be used for stamping in the middle of a stamping part to form a first part, then the first part is punched through the first punching assembly, after punching is completed, the die opening top plate ascends, the to-be-stamped part subjected to first-time stamping is transferred to the second lower die from the first lower die, and meanwhile, the to-be-stamped part is subjected to second-time stamping. A new to-be-stamped part is placed on the first lower die again, the die assembly process is repeated, a second upper stamping face and a second lower stamping face in the second stamping die set are matched to form a second part on the periphery of the to-be-stamped part, and finally the first part is cut off through the inner edge cutting assembly to obtain the first part and the second part.

Description

TECHNICAL FIELD

[0001] The utility model belongs to stamping die technical field relates to a kind of automobile door parts punching and trimming combined die. BACKGROUND

[0002] Automobile door parts need to be first punched during processing, and punching and trimming processes are carried out, the production process is relatively complex, and the production efficiency is low.

[0003] For example, a kind of automobile die for automobile parts machining is disclosed in Chinese patent [application number: 202411504528.2], including the transposition component group is used to move the position of the door inner plate on the stamping die at different stamping positions, the transposition component group includes main rack bar, the outside of the main rack bar is provided with sleeve body. UTILITY MODEL CONTENT

[0004] The utility model aims at the above problem, provide a kind of automobile door parts punching and trimming combined die.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] A kind of automobile door parts punching and trimming combined die, including top plate and base, the top plate and base between being provided with by first stamping die group and second stamping die group combination formed punching and trimming combined stamping mechanism, the first stamping die group includes the upper die of one fixed in top plate by connecting rod and the lower die of one fixed in base, the second stamping die group includes the upper die of two fixed in top plate by connecting rod and the lower die of two fixed in base, the upper die of one and the lower die of one are respectively provided with two first upper stamping surfaces and two first lower stamping surfaces for forming the first component in the middle of the piece to be punched, two first upper stamping surfaces and two first lower stamping surfaces are symmetrically arranged, the upper die of two and the lower die of two are respectively provided with second upper stamping surface and second lower stamping surface for forming the second component in the periphery of the piece to be punched, the upper side of the upper die of one is further provided with the first punching assembly that can punch in the end of two first components, the upper side of the upper die of two is further provided with the inner trimming assembly that can cut off two first components from the piece to be punched.

[0007] In the above-mentioned automobile door parts punching and trimming combined die, the first punching assembly includes a punching seat, the upper die of one and the top plate have a gap, the punching seat is arranged in the gap and connected with a first lifting assembly arranged on the top plate, the bottom of the punching seat is fixedly connected with two vertically arranged punching heads corresponding to the two first upper stamping surfaces, and the bottom end of the punching head penetrates the upper die and is connected with the first upper stamping surface.

[0008] The first lower die is provided with a punching groove corresponding to the punching head.

[0009] The punching groove vertically penetrates the first lower die and the base.

[0010] The first lifting assembly comprises a first lifting driver fixed on the top of the top plate, and the output shaft end of the first lifting driver penetrates the top plate and is connected with the first upper die.

[0011] The inner trimming assembly comprises a trimming seat arranged in the gap and a second lifting assembly arranged on the top plate and connected with the trimming seat, the bottom of the trimming seat is fixedly connected with two cutting heads corresponding to the two first parts on the to-be-punched part, the bottom end of the cutting head penetrates the second upper die and is connected with the second upper punching surface, and the bottom end of the cutting head has an annular cutting edge aligned with the outer edge of the first part.

[0012] The second lower die is further provided with two discharge grooves corresponding to the cutting heads.

[0013] The discharge groove vertically penetrates the second lower die and the base.

[0014] The second lifting assembly comprises a second lifting driver fixed on the top of the top plate, and the output shaft end of the second lifting driver penetrates the top plate and is connected with the second upper die.

[0015] The base is further fixedly connected with at least two vertically arranged guide rods, and the top plate is fixedly connected with a guide sliding sleeve in sliding connection with the guide rods.

[0016] Compared with the prior art, the utility model discloses the advantage lies in: when stamping product, first, the stamping piece is placed to the first stamping die group in no.

[0017] The other advantages, objects and features of the utility model will be partly embodied through the following description, and the skilled in the art will also understand them through the research and practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the sectional view of the utility model;

[0019] Figure 2 It is the local three -dimensional drawing of the utility model;

[0020] Figure 3 It is the utility model's explosion map;

[0021] Figure 4 The structure schematic drawing of no.

[0022] Figure 5 It is the structure schematic drawing at base;

[0023] Figure 6 It is the structure schematic drawing at top plate.

[0024] In the drawing, top plate 1, base 2, first stamping die group 3, second stamping die group 4, punch cutting edge combined stamping mechanism 5, no. Upper die 6, no. Lower die 7, no. 2 upper die 8, no. 2 lower die 9, first upper stamping surface 10, first lower stamping surface 11, second upper stamping surface 12, second lower stamping surface 13, no. Punching assembly 14, inner cutting edge assembly 15, punching seat 16, gap 17, punching head 18, punching groove 19, no. Lifting driver 20, cutting edge seat 21, cutting head 22, annular cutting edge 23, discharge chute 24, no. 2 lifting driver 25, guide rod 26, guide sliding sleeve 27. DETAILED DESCRIPTION

[0025] As Figures 1-6As shown, a kind of automobile door parts punch cutting edge combined die, including top plate 1 and base 2, the top plate 1 and base 2 between being provided with by first stamping die set 3 and second stamping die set 4 combination formed punch cutting edge combined stamping mechanism 5, the first stamping die set 3 include by connecting rod fixed on top plate 1 one upper die 6 and fixed on base 2 one lower die 7, the second stamping die set 4 include by connecting rod fixed on top plate 1 two upper dies 8 and fixed on base 2 two lower dies 9, one upper die 6 and one lower die 7 respectively be provided with for in the middle of the piece to be punched first component is formed by two first upper stamping surface 10 and two first lower stamping surface 11, two first upper stamping surface 10 and two first lower stamping surface 11 are symmetrically arranged, the two upper dies 8 and two lower dies 9 are respectively provided with second upper stamping surface 12 and second lower stamping surface 13 for forming second component by the periphery of the piece to be punched, the upper side of one upper die 6 is further provided with one punch assembly 14 that can punch the end of two first components, the upper side of two upper dies 8 is further provided with inner trimming assembly 15 that can cut two first components from the piece to be punched.

[0026] In the utility model, when stamping product, first piece to be punched is placed to one lower die in first stamping die set 3, and the top plate and base can be used first upper stamping surface and first lower stamping surface to form first component by the middle of the piece to be punched, then punch the first component by one punch assembly 14, after punching, open the top plate and lift, and the piece to be punched after first time stamping is transferred from one lower die to two lower dies, simultaneously, place a new piece to be punched on one lower die again, repeat the process of mould closing, at this time, first stamping die set 3 repeats the above process, and second upper stamping surface 12 and second lower stamping surface 13 in second stamping die set can form second component by the periphery of the piece to be punched, finally, first component is cut off by inner trimming assembly 15, and first component and second component can be obtained, and the continuous automatic production of first component and second component can be realized by repeating the above procedure, and production efficiency is high.

[0027] Specifically, the first punching assembly 14 comprises a punching seat 16, a gap 17 is provided between the first upper die 6 and the top plate 1, the punching seat 16 is arranged in the gap 17 and connected with a first lifting assembly arranged on the top plate 1, the bottom of the punching seat 16 is fixedly connected with two punching heads 18 arranged vertically and corresponding to the two first upper punching surfaces 10, the bottom end of the punching head 18 penetrates the first upper die 6 and is connected with the first upper punching surface 10, the first lower die 7 is provided with a punching groove 19 corresponding to the punching head 18, and the punching groove 19 vertically penetrates the first lower die 7 and the base 2. After the first upper die cooperates with the first lower die to punch to form the first part, the first lifting assembly can drive the punching seat to descend so as to drive the punching head to move downward, the punching head cooperates with the punching groove when moving downward to realize punching on the first part, and the punching and the punching are synchronized to improve the production efficiency of the first part.

[0028] Specifically, the first lifting assembly comprises a first lifting driver 20 fixed to the top of the top plate 1, and the output shaft end of the first lifting driver 20 penetrates the top plate 1 and is connected with the first upper die 6. The first lifting driver can drive the punching seat to ascend and descend along the vertical direction.

[0029] Those skilled in the art should understand that the first lifting driver can be an oil cylinder, an air cylinder or a linear motor.

[0030] Specifically, the inner trimming assembly 15 comprises a trimming seat 21 arranged in the gap 17 and a second lifting assembly arranged on the top plate 1 and connected with the trimming seat 21, the bottom of the trimming seat 21 is fixedly connected with two cutting heads 22 arranged corresponding to the two first parts on the workpiece to be punched, the bottom end of the cutting head 22 penetrates the second upper die 8 and is connected with the second upper punching surface 12, the bottom end of the cutting head 22 is provided with an annular cutting edge 23 aligned with the outer edge of the first part, and the second lower die 9 is further provided with two discharge grooves 24 corresponding to the cutting head 22, and the discharge grooves 24 vertically penetrate the second lower die 9 and the base 2.

[0031] After the second upper die cooperates with the second lower die to punch to form the second part on the workpiece to be punched, the second lifting assembly can drive the trimming seat to descend, the trimming seat descending can drive the cutting head to move downward, the cutting head moving downward can cut the first part from the second part by using the annular cutting edge, and the cut first part can fall out of the discharge groove.

[0032] Specifically, the second lifting assembly comprises a second lifting driver 25 fixed to the top of the top plate 1, and the output shaft end of the second lifting driver 25 penetrates the top plate 1 and is connected with the second upper die 8. The second lifting driver can drive the trimming seat to ascend and descend along the vertical direction.

[0033] Those skilled in the art should understand that the second lifting driver can be an oil cylinder, an air cylinder or a linear motor.

[0034] Preferably, at least two vertical guide rods 26 are fixedly connected to the base 2, and a guide sleeve 27 is fixedly connected to the top plate 1 and slidably connected with the guide rods 26.

[0035] The working principle of the utility model is: when stamping products, first, the to-be-stamped part is placed on the first lower die in the first stamping die set 3, the top plate and the base are closed to stamp the first component in the middle of the to-be-stamped part by the first upper stamping surface and the first lower stamping surface, then the to-be-stamped part is transferred from the first lower die to the second lower die after the first stamping is completed, at the same time, a new to-be-stamped part is placed on the first lower die again, and the closing process is repeated, at this time, the first stamping die set 3 repeats the above process, the second upper stamping surface 12 and the second lower stamping surface 13 in the second stamping die set cooperate to form the second component on the periphery of the to-be-stamped part, and finally the first component is cut off by the inner cutting edge assembly 15 to obtain the first component and the second component, and the above process can realize the continuous and automatic production of the first component and the second component, and the production efficiency is high.

[0036] After the first component is formed by the cooperation of the first upper die and the first lower die, the first lifting assembly can drive the punching seat to descend so as to drive the punching head to move downward, the punching head can realize punching on the first component when moving downward, the punching head can realize punching on the first component when moving downward, and the punching head can realize punching on the first component when moving downward.

[0037] The guide rod cooperates with the guide sleeve to guide and limit the movement of the top plate.

[0038] The specific embodiments described herein are merely illustrative of the spirit of the utility model. Those skilled in the art to which the utility model belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the utility model or exceed the scope defined by the appended claims.

[0039] Although the roof 1, the base 2, the first stamping die set 3, the second stamping die set 4, the combined punching and trimming stamping mechanism 5, the first upper die 6, the first lower die 7, the second upper die 8, the second lower die 9, the first upper stamping surface 10, the first lower stamping surface 11, the second upper stamping surface 12, the second lower stamping surface 13, the first punching assembly 14, the inner trimming assembly 15, the punching seat 16, the gap 17, the punching head 18, the punching groove 19, the first lifting driver 20, the trimming seat 21, the cutting head 22, the annular cutting edge 23, the discharge groove 24, the second lifting driver 25, the guide rod 26, the guide sliding sleeve 27 and the like are used more in the text, using these terms is only for more conveniently describing and explaining the essence of the utility model; explaining them as any kind of additional limitation is contrary to the spirit of the utility model.

Claims

1. A combined punching and trimming die for an automobile door part, comprising a top plate (1) and a base (2), characterized in that, The top plate (1) and the base (2) are provided with a combined punching and trimming combined stamping mechanism (5) formed by the first stamping die set (3) and the second stamping die set (4), the first stamping die set (3) comprises a first upper die (6) fixed on the top plate (1) through a connecting rod and a first lower die (7) fixed on the base (2), the second stamping die set (4) comprises a second upper die (8) fixed on the top plate (1) through a connecting rod and a second lower die (9) fixed on the base (2), the first upper die (6) and the first lower die (7) are respectively provided with two first upper stamping surfaces (10) and two first lower stamping surfaces (11) for stamping a first component in the middle of the to-be-stamped part, the two first upper stamping surfaces (10) and the two first lower stamping surfaces (11) are symmetrically arranged, the second upper die (8) and the second lower die (9) are respectively provided with a second upper stamping surface (12) and a second lower stamping surface (13) for stamping a second component on the periphery of the to-be-stamped part, the first upper die (6) is further provided with a first punching assembly (14) capable of punching holes in the end portions of the two first components, and the second upper die (8) is further provided with an inner trimming assembly (15) capable of cutting off the two first components from the to-be-stamped part.

2. The combined punching and trimming die for the automobile door part according to claim 1, wherein, The first punching assembly (14) comprises a punching seat (16), the first upper die (6) and the top plate (1) have a gap (17) therebetween, the punching seat (16) is arranged in the gap (17) and connected with a first lifting assembly arranged on the top plate (1), the bottom of the punching seat (16) is fixedly connected with two punching heads (18) arranged vertically and corresponding to the two first upper stamping surfaces (10), and the bottom ends of the punching heads (18) penetrate the first upper die (6) and are connected with the first upper stamping surfaces (10).

3. The combined punching and trimming die for the automobile door part according to claim 2, characterized in that, The first lower die (7) is provided with punching grooves (19) corresponding to the punching heads (18).

4. The combined punching and trimming die for the automobile door part according to claim 3, characterized in that, The punching grooves (19) vertically penetrate the first lower die (7) and the base (2).

5. The combined punching and trimming die for the automobile door part according to claim 2, wherein, The first lifting assembly comprises a first lifting driver (20) fixed on the top of the top plate (1), and the output shaft end of the first lifting driver (20) penetrates the top plate (1) and is connected with the first upper die (6).

6. The combined punching and trimming die for the automobile door part according to claim 2, wherein The inner trimming assembly (15) comprises a trimming seat (21) arranged in the gap (17) and a second lifting assembly arranged on the top plate (1) and connected with the trimming seat (21), the bottom of the trimming seat (21) is fixedly connected with two cutting heads (22) corresponding to the two first components on the to-be-stamped part, the bottom ends of the cutting heads (22) penetrate the second upper die (8) and are connected with the second upper stamping surface (12), and the bottom ends of the cutting heads (22) have annular cutting edges (23) aligned with the outer edges of the first components.

7. The combined punching and trimming die for the automobile door part according to claim 6, wherein The second lower die (9) is further provided with two discharge grooves (24) corresponding to the cutting heads (22).

8. The combined punching and trimming die for the automobile door part according to claim 7, characterized in that, The discharge grooves (24) vertically penetrate the second lower die (9) and the base (2).

9. The combined punching and trimming die for the automobile door part according to claim 8, wherein, The second lifting assembly comprises a second lifting driver (25) fixed on the top of the top plate (1), and the output shaft end of the second lifting driver (25) penetrates the top plate (1) and is connected with the second upper die (8).

10. The combined punching and trimming die for an automobile door part according to claim 1, wherein The base (2) is further fixed with at least two vertically arranged guide rods (26), and the top plate (1) is fixed with guide sliding sleeves (27) in sliding connection with the guide rods (26).

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