Movable wedge block resetting mechanism of stamping die for upper cross beam of rear wall of automobile

Abstract

The utility model provides a movable wedge resetting mechanism of an automobile rear wall upper cross beam stamping die, and belongs to the technical field of stamping dies. The stamping die comprises an upper stamping die and a lower die base, a stamping forming face is arranged in the middle of the lower die base, and at least one adjustable positioning structure is arranged on each of the front side, the rear side, the left side and the right side of the stamping forming face. The adjustable positioning structure can position a to-be-stamped product, the adjustable positioning structure can be adjusted according to the specific size of the to-be-stamped product, the side portion of the to-be-stamped product can be stamped synchronously when the upper stamping die conducts stamping on the to-be-stamped product, a second pair of dies do not need to be prepared, and cost can be effectively reduced; in addition, machining procedures can be reduced, and after the die is opened, the resettable wedge block side punching mechanism can reset automatically.

Description

TECHNICAL FIELD

[0001] The utility model belongs to stamping die technical field relates to an automobile rear wall upper crossbeam stamping die mobile wedge block reset mechanism. BACKGROUND

[0002] The parts are often obtained by stamping die in industrial production, and the automobile rear wall upper crossbeam needs to be stamped on the side face by the second vice die after completing the stamping in the production process, which is complex and has high equipment cost.

[0003] A kind of stamping die and its stamping method are disclosed in Chinese patent [application number: 202310667289.1], stamping die includes: lower die;Upper die;When stamping, wedge plate and wedge block vertical column are abutted, to push first column body and second column body move, and rectangular plate is pressed down, first column body and second column body continue to approach each other due to stress, and rectangular plate is stamped into the stamping sink, and two stamping push blocks are stamped on stamping column;Lower die further includes first reset mechanism, and two stamping push blocks are reset. UTILITY MODEL CONTENT

[0004] The utility model aims at above-mentioned problem, provide a kind of automobile rear wall upper crossbeam stamping die mobile wedge block reset mechanism.

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

[0006] A kind of automobile rear wall upper crossbeam stamping die mobile wedge block reset mechanism, including upper die and lower die seat, the lower die seat middle part is provided with stamping forming surface, the front and rear sides and the left and right sides of the stamping forming surface are each provided with at least one adjustable positioning structure, the left side and the front side of the stamping forming surface are each provided with a resettable wedge block side-punch mechanism.

[0007] In the automobile rear wall upper crossbeam stamping die mobile wedge block reset mechanism described above, the resettable wedge block side-punch mechanism includes a wedge block mounting seat, the wedge block mounting seat is fixedly connected with an adapter seat on the side, a side-punch wedge is rotatably connected to the adapter seat by a rotating shaft, and an elastic reset member is arranged between the adapter seat and the side-punch wedge.

[0008] In the automobile rear wall upper crossbeam stamping die mobile wedge block reset mechanism described above, the side-punch wedge is formed by combining a stamping part and a driving part, the stamping part is arranged at one end of the side-punch wedge facing the stamping forming surface, and the upper die is provided with a pressing block corresponding to the driving part.

[0009] In the mobile wedge block resetting mechanism of the automobile rear wall upper transverse beam stamping die, the elastic resetting member is a spring, one end of the spring is fixedly connected with the bottom of the adapter seat, and the other end of the spring is fixedly connected with the connecting plate fixed on the back of the stamping part.

[0010] In the mobile wedge block resetting mechanism of the automobile rear wall upper transverse beam stamping die, the wedge block mounting seat is additionally provided with an auxiliary positioning plate on the side close to the stamping forming surface, and the side wall on the side close to the stamping forming surface of the auxiliary positioning plate is flush with the lowest point of the stamping part when the side stamping wedge block is in the resetting state.

[0011] In the mobile wedge block resetting mechanism of the automobile rear wall upper transverse beam stamping die, the top of the auxiliary positioning plate is provided with an arc-shaped auxiliary guide part.

[0012] In the mobile wedge block resetting mechanism of the automobile rear wall upper transverse beam stamping die, the adjustable positioning structure comprises an L-shaped positioning plate composed of a vertical positioning part and a horizontal connecting part, a long-strip-shaped connecting groove is arranged on the horizontal connecting part, the lower die seat is additionally provided with an adjusting seat corresponding to the horizontal connecting part, a limiting sliding groove is arranged on the adjusting seat, a threaded hole for fixing a bolt is arranged on the bottom of the limiting sliding groove, and the threaded hole is correspondingly arranged with the long-strip-shaped connecting groove.

[0013] In the mobile wedge block resetting mechanism of the automobile rear wall upper transverse beam stamping die, the top of the vertical positioning part is provided with an arc-shaped guide part.

[0014] In the mobile wedge block resetting mechanism of the automobile rear wall upper transverse beam stamping die, the lower die seat is composed of a bottom plate, a lower stamping plate and a stamping plate set, the lower stamping plate is arranged on the middle part of the stamping plate set, the stamping forming surface is arranged on the lower stamping plate, and the adjustable positioning structure and the resettable wedge block side stamping mechanism are arranged on the stamping plate set.

[0015] In the mobile wedge block resetting mechanism of the automobile rear wall upper transverse beam stamping die, the lower stamping plate and the stamping plate set are detachably fixed on the bottom plate through a plurality of bolts.

[0016] Compared with the prior art, the automobile rear wall upper transverse beam stamping die mobile wedge block resetting mechanism has the following advantages:

[0017] 1. The adjustable positioning structure can position the product to be stamped, the adjustable positioning structure can be adjusted according to the specific size of the product to be stamped, the side part of the product to be stamped can be stamped synchronously when the upper stamping die stamps the product to be stamped, a second die is not needed, the cost can be effectively reduced, the machining process is reduced, and the resettable wedge block side stamping mechanism can be automatically reset after the die is opened.

[0018] 2. The upper punch can press the driving part of the side punching wedge block when stamping the product to be stamped, the driving part is pressed, the side punching wedge block can rotate along the rotating shaft, and the side of the product to be stamped is stamped by the stamping part, without preparing a second mold, the cost can be effectively reduced, the machining process is reduced, and the side punching wedge block is automatically reset by the elastic reset part after the mold is opened.

[0019] Other advantages, objects and features of the present application will be apparent from the following description, and will be understood by those skilled in the art. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a schematic diagram of the external structure of the present application;

[0021] Figure 2 is a schematic diagram of the structure of the lower die seat;

[0022] Figure 3 is a schematic diagram of the local structure of the lower die seat;

[0023] Figure 4 is a schematic diagram of the resettable wedge side punching mechanism. DETAILED DESCRIPTION

[0024] As shown in Figures 1-4 A movable wedge reset mechanism for an automobile rear wall upper beam stamping die, comprising an upper punch 1 and a lower die seat 2, the lower die seat 2 is provided with a stamping forming surface 3 in the middle, the stamping forming surface 3 is provided with at least one adjustable positioning structure 4 on the front and rear sides and the left and right sides, and the left side and the front side of the stamping forming surface 3 are each provided with a resettable wedge side punching mechanism 5.

[0025] In the present application, the adjustable positioning structure 4 can position the product to be stamped, and the adjustable positioning structure can be adjusted according to the specific size of the product to be stamped, so that the side of the product to be stamped can be stamped simultaneously when the upper punch stamps the product to be stamped, without preparing a second mold, which can effectively reduce the cost and reduce the machining process, and the resettable wedge side punching mechanism 5 can also be automatically reset after the mold is opened.

[0026] Specifically, the resettable side-punch wedge mechanism 5 comprises a wedge mounting seat 6, a side-punch adapter 7 fixed to the side of the wedge mounting seat 6, a side-punch wedge 8 rotatably connected to the side-punch adapter 7 through a rotating shaft, and an elastic reset member 9 arranged between the side-punch adapter 7 and the side-punch wedge 8. The side-punch wedge 8 is formed by a combination of a punching part 10 and a driving part 11. The punching part 10 is arranged at one end of the side-punch wedge 8 facing the punching forming surface 3. The upper punch 1 is provided with a pressing block corresponding to the driving part 11. When the upper punch 1 is used to punch the product, the pressing block on the upper punch 1 can press the driving part 11 of the side-punch wedge 8. After the driving part 11 is pressed, the side-punch wedge 8 can rotate along the rotating shaft, so as to punch the side of the product by the punching part 10. No second mold is needed, the cost is effectively reduced, the processing procedure is reduced, and the side-punch wedge 8 can be automatically reset by the elastic reset member 9 after the mold is opened.

[0027] Specifically, the elastic reset member 9 is a spring 12. One end of the spring 12 is fixed to the bottom of the side-punch adapter 7, and the other end of the spring 12 is fixed to a connecting plate 13 arranged on the back of the punching part 10. After the driving part 11 is separated from the pressing block, the spring 12 can pull the connecting plate 13 to move away from the punching forming surface 3, so as to separate the punching part 10 from the product.

[0028] Preferably, the wedge mounting seat 6 is further provided with an auxiliary positioning plate 14 near the side facing the punching forming surface 3. The side wall of the auxiliary positioning plate 14 near the side facing the punching forming surface 3 is flush with the lowest point of the punching part 10 in the reset state of the side-punch wedge 8. The auxiliary positioning plate 14 can cooperate with the adjustable positioning structure 4 to position the product to be punched.

[0029] Preferably, the top of the auxiliary positioning plate 14 is provided with an arc-shaped auxiliary guide part 15, which can facilitate the placement of the product to be punched.

[0030] Specifically, the adjustable positioning structure 4 comprises an L-shaped positioning plate 18 composed of a vertical positioning part 16 and a horizontal connecting part 17. The horizontal connecting part 17 is provided with an elongated connecting groove 19. The lower mold seat 2 is further provided with an adjusting seat 20 corresponding to the horizontal connecting part 17. The adjusting seat 20 is provided with a limiting sliding groove 21. The bottom of the limiting sliding groove 21 is provided with a threaded hole for fixing a screw. The threaded hole is correspondingly arranged with the elongated connecting groove 19. The vertical positioning part 16 of the L-shaped positioning plate 18 can position the product to be punched. The elongated connecting groove 19 on the horizontal connecting part 17 cooperates with the threaded hole at the bottom of the limiting sliding groove 21 to achieve adjustable fixing of the L-shaped positioning plate 18, which facilitates adjustment according to the specific size of the product to be punched.

[0031] Preferably, the top of the vertical positioning part 16 is provided with an arc-shaped guide part 22, which can facilitate the placement of the product to be punched.

[0032] Specifically, the lower die seat 2 is composed of a bottom plate 23, a lower stamping plate 24 and a stamping plate set 25, the lower stamping plate 24 is arranged in the middle of the stamping plate set 25, the stamping forming surface 3 is arranged on the lower stamping plate 24, the adjustable positioning structure 4 and the resettable side-punch wedge mechanism 5 are arranged on the stamping plate set 25, and the lower stamping plate 24 and the stamping plate set 25 are detachably fixed on the bottom plate 23 by a plurality of bolts.

[0033] The working principle of the utility model is: the adjustable positioning structure 4 can position the product to be punched, the adjustable positioning structure can be adjusted according to the specific size of the product to be punched, the product to be punched can be punched on the side when the upper punch is used to punch the product to be punched, a second mold is not needed, the cost can be effectively reduced, the processing procedure can be reduced, and the resettable side-punch wedge mechanism 5 can be automatically reset after the mold is opened.

[0034] When the upper punch is used to punch the product to be punched, the pressing block on the upper punch can press the driving part of the side-punch wedge, the side-punch wedge can rotate along the rotating shaft after the driving part is pressed, the product to be punched can be punched on the side by the punching part, a second mold is not needed, the cost can be effectively reduced, the processing procedure can be reduced, the elastic reset part 9 can automatically reset the side-punch wedge 8 after the mold is opened, the spring can pull the connecting plate to move away from the punching forming surface after the driving part is separated from the pressing block, and the punching part can be separated from the product.

[0035] The auxiliary positioning plate 14 can position the product to be punched in cooperation with the adjustable positioning structure 4, the vertical positioning part 16 of the L-shaped positioning plate 18 can position the product to be punched, the long strip-shaped connecting groove 19 on the horizontal connecting part 17 can be adjustably fixed with the threaded hole in the bottom of the limiting sliding groove 21, and the specific size of the product to be punched can be adjusted conveniently.

[0036] The lower die seat 2 is composed of the bottom plate 23, the lower stamping plate 24 and the stamping plate set 25, and the detachable connection between the lower stamping plate 24 and the stamping plate set 25 and the bottom plate 23 can reduce the repair and replacement cost when the lower die seat is partially damaged.

[0037] The specific embodiments described in the present application are only 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 range defined by the attached claims.

Claims

1. A moving wedge reset mechanism for a stamping die for an automobile rear wall upper cross beam, comprising an upper punch (1) and a lower die base (2), characterized in that, The lower die base (2) is provided with a stamping forming surface (3) in the middle, the stamping forming surface (3) is provided with at least one adjustable positioning structure (4) on the front and back sides and the left and right sides, and the left side and the front side of the stamping forming surface (3) are each provided with a resettable wedge side punching mechanism (5).

2. The automobile rear quarter upper cross beam stamping die moving wedge block reset mechanism according to claim 1, characterized in that, The resettable wedge side punching mechanism (5) comprises a wedge mounting seat (6), the side of the wedge mounting seat (6) is fixedly connected with an adapter seat (7), the adapter seat (7) is rotatably connected with a side punching wedge (8) through a rotating shaft, and an elastic reset part (9) is arranged between the adapter seat (7) and the side punching wedge (8).

3. The automobile rear quarter upper cross beam stamping die moving wedge block reset mechanism according to claim 2, characterized in that, The side punching wedge (8) is formed by combination of a stamping part (10) and a driving part (11), the stamping part (10) is arranged at one end of the side punching wedge (8) facing the stamping forming surface (3), and the upper stamping die (1) is provided with a pressing block corresponding to the driving part (11).

4. The automobile rear wall upper cross beam stamping die moving wedge block reset mechanism according to claim 3, characterized in that, The elastic reset part (9) is a spring (12), one end of the spring (12) is fixedly connected with the bottom of the adapter seat (7), and the other end of the spring (12) is fixedly connected with a connecting plate (13) fixed on the back of the stamping part (10).

5. The automobile rear wall upper cross beam stamping die moving wedge block reset mechanism according to claim 4, characterized in that, The wedge mounting seat (6) is further provided with an auxiliary positioning plate (14) on the side close to the stamping forming surface (3), and the side wall on the side close to the stamping forming surface (3) of the auxiliary positioning plate (14) is flush with the lowest point of the stamping part (10) in the reset state of the side punching wedge (8).

6. The automobile rear wall upper cross beam stamping die moving wedge block reset mechanism according to claim 5, characterized in that, The top of the auxiliary positioning plate (14) has an arc-shaped auxiliary guide part (15).

7. The automobile rear quarter upper cross beam stamping die moving wedge block reset mechanism according to claim 6, characterized in that, The adjustable positioning structure (4) comprises an L-shaped positioning plate (18) composed of a vertical positioning part (16) and a horizontal connecting part (17), the horizontal connecting part (17) is provided with an elongated connecting groove (19), the lower die base (2) is further provided with an adjusting seat (20) corresponding to the horizontal connecting part (17), the adjusting seat (20) is provided with a limiting sliding groove (21), the bottom of the limiting sliding groove (21) is provided with a threaded hole for fixing a bolt, and the threaded hole is correspondingly arranged with the elongated connecting groove (19).

8. The automobile rear quarter upper cross beam stamping die moving wedge block reset mechanism according to claim 7, characterized in that, The top of the vertical positioning part (16) is provided with an arc-shaped guide part (22).

9. The automobile rear quarter upper cross beam stamping die moving wedge block reset mechanism according to claim 8, characterized in that, The lower die base (2) is composed of a bottom plate (23), a lower stamping plate (24) and a stamping plate set (25), the lower stamping plate (24) is arranged in the middle of the stamping plate set (25), the stamping forming surface (3) is arranged on the lower stamping plate (24), and the adjustable positioning structure (4) and the resettable wedge side punching mechanism (5) are arranged on the stamping plate set (25).

10. The automobile rear quarter upper cross beam stamping die moving wedge block reset mechanism according to claim 9, characterized in that, The lower stamping plate (24) and the stamping plate set (25) are detachably fixed on the bottom plate (23) through a plurality of bolts.

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