Punching tool for rear cross beam of automobile chassis

Abstract

The utility model discloses a punching tool for a rear cross beam of an automobile chassis, and belongs to the technical field of punching devices. Comprising a lifting plate, an upper die plate is detachably arranged at the bottom of the lifting plate through a plurality of connecting bolts A, and a plurality of top punching needles are arranged at the bottom of the upper die plate; the stamping table is arranged at the bottom of the lifting plate, and a stamping groove is formed in the top of the stamping table; and the two moving seats are arranged on the inner side of the punching groove in a sliding mode, side punching needles are detachably arranged on the inner sides of the two moving seats correspondingly, and the two side punching needles are driven by the lifting plate to punch the side face of the chassis rear cross beam body. The problems that punching needles in three directions need to be replaced according to the models of the automobile chassis rear cross beams when the automobile chassis rear cross beams of different specifications are punched, two sets of punching needles on the side portion are inconvenient to replace, and when the automobile chassis rear cross beams of the same model are punched, the punching positions of the two punching needles on the side portion are inconvenient to adjust are solved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of punching devices, in particular to a punching tool for an automobile chassis rear cross beam. BACKGROUND

[0002] The punching tool for the automobile chassis rear cross beam is a special die used for efficiently and accurately machining required hole positions in the manufacturing process of the automobile chassis rear cross beam, and the core function thereof is to quickly complete hole forming on a metal plate or a formed piece through a stamping process, so as to ensure that the position, size and shape of the hole meet the design requirements.

[0003] In the related art, in order to solve the problem that the existing punching tool can only punch the automobile chassis rear cross beam on one side, for example, the patent with the publication number CN217617181U provides a punching tool for an automobile chassis rear cross beam. The device clamps and fixes the product to be processed stably and firmly through the left and right die assembly and the support column located between the two, and then simultaneously punches the three faces of the product by using the first, second and third punching assemblies, thereby avoiding the error caused by multiple clamping, ensuring the quality, facilitating the smooth progress of assembly work, improving the work efficiency and reducing the cost. The left and right die assemblies and the support column stably clamp and fix the product in position, the left and right supporting plates further limit the front and rear positions of the product, and the first punching assembly punches the mounting hole of the first face of the product. The second and third punching assemblies punch the mounting holes of the second and third faces of the product under the action of the push block, so that the product is formed by one-time punching on three faces, the original process scheme of multiple overturning and clamping is reduced, the clamping error is avoided, the position accuracy and size accuracy between the mounting holes are improved, the quality is ensured, the smooth progress of assembly work is facilitated, the work efficiency is improved, and the cost is reduced.

[0004] Although the above-mentioned prior art scheme can realize the effect of one-time punching and forming on three faces of the automobile chassis rear cross beam by arranging multiple punching assemblies, when punching different specifications of the automobile chassis rear cross beam, the punching needles in three directions need to be replaced according to the model of the automobile chassis rear cross beam, the two groups of punching needles on the side are inconvenient to replace, and when punching the automobile chassis rear cross beam of the same model, the positions of the two punching needles on the side are inconvenient to adjust.

[0005] In view of this, the application provides a punching tool for an automobile chassis rear cross beam. CONTENT OF THE INVENTION

[0006] The automobile chassis rear cross beam punching tool can effectively solve the problems that three-direction punching needles need to be replaced according to the model of the automobile chassis rear cross beam when punching different specifications of automobile chassis rear cross beams, the two side punching needles are inconvenient to replace, and the two side punching needles are inconvenient to adjust the punching position when punching the automobile chassis rear cross beam of the same model.

[0007] The automobile chassis rear cross beam punching tool comprises a lifting plate, a lower die plate, a plurality of upper die plates, a plurality of upper punching needles, a punching table, a plurality of movable seats, a plurality of side punching needles, a plurality of threaded sleeves, a plurality of threaded rods, a plurality of rotating discs, a plurality of adjusting bolts, a plurality of spring A, a plurality of connecting bolts B, a plurality of supporting plates, a plurality of limiting columns A, and a plurality of mounting blocks.

[0008] The bottom of the lifting plate is detachably provided with the upper die plate through a plurality of connecting bolts A, and the bottom of the upper die plate is provided with a plurality of upper punching needles.

[0009] The bottom of the lifting plate is provided with the punching table, and the top of the punching table is provided with a punching groove.

[0010] The inner sides of the two movable seats are detachably provided with the side punching needles, and the two side punching needles punch the side surface of the chassis rear cross beam body under the driving of the lifting plate.

[0011] As an optional solution of the technical scheme of the present application, the inner sides of the two movable seats are fixedly provided with threaded sleeves, the inner sides of the two threaded sleeves are threadedly provided with threaded rods, one end of the two threaded rods is rotatably arranged on the inner side of the punching groove, and the other end of the two threaded rods penetrates the punching groove and is fixedly provided with rotating discs.

[0012] As an optional solution of the technical scheme of the present application, the inner sides of the two movable seats are slidably provided with inclined blocks A, the inner sides of the two inclined blocks A are fixedly provided with frame blocks, the two frame blocks are slidably arranged on the inner sides of the movable seats, the outer sides of the two side punching needles are fixedly provided with mounting blocks, the two mounting blocks are slidably arranged on the inner sides of the corresponding frame blocks, the top of the two mounting blocks is rotatably provided with adjusting bolts, and the outer sides of the two adjusting bolts are threadedly arranged on the inner sides of the corresponding frame blocks.

[0013] As an optional solution of the technical scheme of the present application, one side of the two movable seats is fixedly provided with a supporting plate, one side of the supporting plate is provided with a through hole, the outer sides of the two frame blocks are fixedly provided with two limiting columns A, the outer sides of the two limiting columns A are sleeved with springs A, and the inner sides of the two supporting plates are threadedly provided with two connecting bolts B corresponding to the two springs A.

[0014] As an optional scheme of the technical scheme of the application file, the inner side of each of the two mobile seats is provided with a T-shaped sliding groove, the top of each of the two inclined blocks A is provided with an inclined block B, the outer side of each of the two inclined blocks B is fixedly provided with a T-shaped sliding block matched with the T-shaped sliding groove, and the inner side of each of the two inclined blocks B is provided with an inclined surface B.

[0015] As an optional scheme of the technical scheme of the application file, the top of each of the two inclined blocks B is fixedly provided with a push plate, the outer side of each of the two push plates is fixedly provided with a fixed plate, the top of each of the two mobile seats is fixedly provided with a limiting column B, a spring B is arranged between each of the two fixed plates and the corresponding limiting column B, and the inner side of each of the two fixed plates is threadedly provided with a connecting bolt C.

[0016] As an optional scheme of the technical scheme of the application file, the outer side of the stamping table is fixedly provided with an electric push rod, the output end of the electric push rod is fixedly provided with a limiting plate, and the side of the stamping table away from the electric push rod is also detachably provided with a blocking block through a connecting bolt D.

[0017] The one or more technical schemes provided in the application embodiment have at least the following technical effects or advantages:

[0018] (1) The application adopts two mobile seats, which can adjust the positions of the two side punching needles, and the top punching needle and the side punching needle are convenient to replace, so as to effectively solve the problems in the prior art that when different specifications of automobile chassis rear beams are punched, three-direction punching needles need to be replaced according to the model of the automobile chassis rear beam, the two groups of side punching needles are inconvenient to replace, and when the same model of automobile chassis rear beam is punched, the positions of the two side punching needles are inconvenient to adjust.

[0019] (2) The application sets an electric push rod on the outer side of the stamping table, drives the limiting plate to move to a suitable position through the electric push rod, places the chassis rear beam body inside the stamping groove, so that the limiting plate can limit the chassis rear beam body, and the blocking block can be detached through the connecting bolt D, so as to facilitate the cleaning of the punching waste inside the stamping groove. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The overall structure schematic diagram of the automobile chassis rear beam punching tool is disclosed for a preferred embodiment of the application.

[0021] Figure 2 The structure schematic diagram of the stamping table in the automobile chassis rear beam punching tool is disclosed for a preferred embodiment of the application.

[0022] Figure 3The structure diagram of the threaded rod in the punching tooling of the automobile chassis rear cross beam is disclosed for a preferred embodiment of the present application.

[0023] Figure 4 The structure diagram of the moving seat in the punching tooling of the automobile chassis rear cross beam is disclosed for a preferred embodiment of the present application.

[0024] Figure 5 The structure diagram of the lifting plate in the punching tooling of the automobile chassis rear cross beam is disclosed for a preferred embodiment of the present application.

[0025] The label in the figure is explained: 100, chassis rear cross beam body; 1, lifting plate; 11, connecting bolt A; 12, upper die plate; 13, top punch pin; 14, guide sleeve; 2, punching table; 21, punching groove; 22, guide column; 3, moving seat; 31, threaded connection sleeve; 32, threaded rod; 321, rotating disc; 33, inclined block A; 331, inclined surface A; 34, frame block; 341, limiting column A; 35, support plate; 351, through opening; 352, connecting bolt B; 36, spring A; 38, T-shaped sliding groove; 39, inclined block B; 391, inclined surface B; 392, T-shaped sliding block; 393, push plate; 3931, fixed plate; 3932, spring B; 3933, connecting bolt C; 3934, limiting column B; 4, side punch pin; 41, mounting block; 42, adjusting bolt; 5, electric push rod; 51, limiting plate; 6, plugging block; 61, connecting bolt D. DETAILED DESCRIPTION

[0026] The present application is further explained in detail in conjunction with the drawings of the specification.

[0027] Reference Figure 1 , Figure 2 , Figure 3 and Figure 5 , the present application discloses a punching tooling of an automobile chassis rear cross beam, which comprises a lifting plate 1, the bottom of the lifting plate 1 is detachably provided with an upper die plate 12 through a plurality of connecting bolts A11, the bottom of the upper die plate 12 is provided with a plurality of top punch pins 13, the bottom of the lifting plate 1 is provided with a punching table 2, the top of the punching table 2 is provided with a punching groove 21, the inner side of the punching groove 21 is slidingly provided with two moving seats 3, the inner side of each of the two moving seats 3 is detachably provided with a side punch pin 4, and each of the two side punch pins 4 is driven by the lifting plate 1 to punch the side surface of the chassis rear cross beam body 100.

[0028] When punching the automobile chassis rear cross beam, the lifting plate 1 is driven to descend by external force, thereby driving the plurality of top punch pins 13 to punch the top of the chassis rear cross beam body 100, and driving the two side punch pins 4 to punch the side surface of the chassis rear cross beam body 100;

[0029] When punching is needed for chassis rear cross beam bodies 100 of different specifications, the upper die plate 12 is disassembled through a plurality of connecting bolts A11, and a new upper die plate 12 is installed to the bottom of the lifting plate 1 through a plurality of connecting bolts A11, the effect of replacing a plurality of top punching needles 13 is achieved, and the side punching needle 4 can be disassembled and assembled inside the moving seat 3, different models of side punching needles 4 are replaced, and the two moving seats 3 slide inside the punching groove 21, which can drive the two side punching needles 4 to replace the punching position.

[0030] With reference to Figure 1 , Figure 2 and Figure 3 , the inner sides of the two moving seats 3 are fixedly provided with threaded connecting sleeves 31, the inner sides of the two threaded connecting sleeves 31 are threadedly provided with threaded rods 32, one end of the two threaded rods 32 is rotatably provided with the inner side of the punching groove 21, and the other end of the two threaded rods 32 penetrates the punching groove 21 and is fixedly provided with a rotating disc 321.

[0031] By rotating the two rotating discs 321, the corresponding threaded rods 32 can be rotated, thereby driving the corresponding threaded connecting sleeves 31 to move, so that the corresponding threaded connecting sleeves 31 drive the corresponding moving seats 3 to slide inside the punching groove 21, so that the moving seats 3 drive the corresponding side punching needles 4 to move, and the position of the side punching needle 4 punching is replaced.

[0032] With reference to Figure 2 , Figure 3 , Figure 4 and Figure 5The inner side of the two moving seats 3 is slidably provided with an inclined block A33, the inner side of the two inclined blocks A33 is fixedly provided with a bracket block 34, the two bracket blocks 34 are slidably arranged on the inner side of the moving seat 3, the outer side of the two side punching pins 4 is fixedly provided with a mounting block 41, the two mounting blocks 41 are slidably arranged on the inner side of the corresponding bracket block 34, the top of the two mounting blocks 41 is rotatably provided with an adjusting bolt 42, the outer side of the two adjusting bolts 42 is threadedly arranged on the inner side of the corresponding bracket block 34, one side of the two moving seats 3 is fixedly provided with a support plate 35, one side of the two support plates 35 is provided with a through hole 351, the outer side of the two bracket blocks 34 is fixedly provided with two limiting columns A341, the outer side of the two limiting columns A341 is sleeved with a spring A36, the inner side of the two support plates 35 is threadedly provided with two connecting bolts B352 corresponding to the two springs A36, the inner side of the two moving seats 3 is provided with a T-shaped sliding groove 38, the top of the two inclined blocks A33 is provided with an inclined block B39, the outer side of the two inclined blocks B39 is fixedly provided with a T-shaped sliding block 392 matched with the T-shaped sliding groove 38, the inner side of the two inclined blocks B39 is provided with an inclined surface B391, one side of the two inclined blocks A33 close to the inclined block B39 is provided with an inclined surface A331, the top of the two inclined blocks B39 is fixedly provided with a push plate 393, the outer side of the two push plates 393 is fixedly provided with a fixed plate 3931, the top of the two moving seats 3 is fixedly provided with a limiting column B3934, the spring B3932 is arranged between the two fixed plates 3931 and the corresponding limiting column B3934, and the inner side of the two fixed plates 3931 is threadedly provided with a connecting bolt C3933.

[0033] When the rear cross beam body 100 of the chassis is punched, the lifting plate 1 is driven to descend under the external force, so as to extrude the two push plates 393, drive the inclined blocks B39 to move downward, drive the two inclined blocks A33 to move, drive the two bracket blocks 34 to slide in the corresponding moving seats 3, drive the two side punching pins 4 to move to the rear cross beam body 100 of the chassis, and punch the rear cross beam body 100 of the chassis. After the punching is completed, the lifting plate 1 is driven to rise under the external force, so that the lifting plate 1 releases the extrusion on the two push plates 393, the two push plates 393 and the inclined blocks B39 are reset under the elastic effect of the spring B3932, and the two inclined blocks A33 and the two bracket blocks 34 are reset under the elastic effect of the two springs A36.

[0034] Two mounting blocks 41 are detachably arranged with two side punching needles 4. In order to facilitate the disassembly of the side punching needle 4 and the mounting block 41, the two can be connected through clamping or magnetic attraction. In long-term use, the elasticity of the spring B3932 and the spring A36 may decrease. The corresponding connecting bolt C3933 and the connecting bolt B352 can be rotated to release the limitation of the spring B3932 and the spring A36. The old spring B3932 and the spring A36 are taken out, and then the new spring B3932 and the spring A36 are sleeved on the corresponding limiting column B3934 and the limiting column A341. The corresponding connecting bolt C3933 and the connecting bolt B352 are rotated to the inner side of the fixed plate 3931 and the support plate 35, and the replacement of the spring B3932 and the spring A36 is completed.

[0035] By rotating the adjusting bolt 42, the mounting block 41 can be lifted inside the frame block 34, so as to adjust the height of the side punching needle 4 and the punching position of the side punching needle 4 in the vertical direction.

[0036] Referring to Figure 1 , Figure 2 and Figure 5 , the outer side of the stamping table 2 is fixedly provided with an electric push rod 5, the output end of the electric push rod 5 is fixedly provided with a limiting plate 51, and the side of the stamping table 2 away from the electric push rod 5 is detachably provided with a blocking block 6 through a connecting bolt D61. The inner side of the lifting plate 1 is fixedly provided with four guide sleeves 14, and the top of the stamping table 2 is fixedly provided with four guide columns 22 corresponding to the four guide sleeves 14.

[0037] The limiting plate 51 is driven by the electric push rod 5 to move to a suitable position, and then the bottom disc rear beam body 100 is placed inside the stamping groove 21, so that the limiting plate 51 can limit the bottom disc rear beam body 100. The blocking block 6 is detached through the connecting bolt D61, so as to facilitate the cleaning of the punching waste inside the stamping groove 21. The four guide columns 22 slide inside the four guide sleeves 14.

[0038] In summary, the punching tool for the automobile bottom disc rear beam disclosed in the embodiment of the application is used to punch the automobile bottom disc rear beam. The limiting plate 51 is driven by the electric push rod 5 to move to a suitable position, and then the bottom disc rear beam body 100 is placed inside the stamping groove 21. The lifting plate 1 is driven to descend under the action of external force, and drives the plurality of top punching needles 13 to punch the top of the bottom disc rear beam body 100. At the same time, the two push plates 393 are driven to move downward, so that the two push plates 393 drive the two inclined blocks A33 to slide inside the corresponding moving seats 3. The two frame blocks 34 drive the two side punching needles 4 to move to the bottom disc rear beam body 100, and punch the bottom disc rear beam body 100.

[0039] When punching is needed for chassis rear cross beam bodies 100 of different specifications, the upper die plate 12 is disassembled through a plurality of connecting bolts A11, and a new upper die plate 12 is installed to the bottom of the lifting plate 1 through a plurality of connecting bolts A11, the effect of replacing a plurality of top punching needles 13 is realized, and the side punching needle 4 can be disassembled and assembled inside the moving seat 3, different models of side punching needles 4 are replaced, by rotating the two rotating discs 321, the corresponding threaded rods 32 can be rotated, thereby driving the corresponding threaded connecting sleeves 31 to move, the corresponding threaded connecting sleeves 31 drive the corresponding moving seats 3 to slide inside the punching groove 21, the moving seats 3 drive the corresponding side punching needles 4 to move, the position of the punching of the side punching needles 4 in the horizontal direction is replaced, by rotating the adjusting bolt 42, the mounting block 41 can be lifted inside the frame block 34, thereby adjusting the height of the side punching needle 4, and adjusting the punching position of the side punching needle 4 in the vertical direction.

Claims

1. A punching fixture for a rear crossbeam of an automobile chassis, characterized in that, Include: The lifting plate (1) has an upper template (12) detachably mounted on its bottom via multiple connecting bolts A (11), and the bottom of the upper template (12) is provided with several top punches (13). A stamping table (2) is provided at the bottom of the lifting plate (1), and a stamping groove (21) is provided on the top of the stamping table (2); Two movable seats (3) are slidably disposed inside the stamping groove (21). The inner sides of the two movable seats (3) are detachably provided with side punches (4). The two side punches (4) punch holes on the side of the rear crossbeam body (100) of the chassis under the drive of the lifting plate (1).

2. The punching fixture for the rear crossbeam of an automobile chassis according to claim 1, characterized in that: Both of the movable seats (3) are fixedly provided with threaded connecting sleeves (31) on their inner sides. Both of the threaded connecting sleeves (31) are threaded with threaded rods (32) on their inner sides. One end of each of the threaded rods (32) is rotatably disposed with the inner side of the stamping groove (21). The other end of each of the threaded rods (32) passes through the stamping groove (21) and is fixedly provided with a rotating disk (321).

3. The punching fixture for the rear crossbeam of an automobile chassis according to claim 1, characterized in that: Both movable seats (3) are slidably provided with inclined blocks A (33) on their inner sides. Both inclined blocks A (33) are fixedly provided with bracket blocks (34) on their inner sides. Both bracket blocks (34) are slidably provided with the inner sides of the movable seats (3). Both side punches (4) are fixedly provided with mounting blocks (41) on their outer sides. Both mounting blocks (41) are slidably provided with the inner sides of the corresponding bracket blocks (34). Both mounting blocks (41) are rotatably provided with adjusting bolts (42) on their tops. The outer sides of both adjusting bolts (42) are threaded to the inner sides of the corresponding bracket blocks (34).

4. The punching fixture for the rear crossbeam of an automobile chassis according to claim 3, characterized in that: A support plate (35) is fixedly provided on one side of each of the two movable seats (3), and an opening (351) is provided on one side of each of the two support plates (35). Two limiting posts A (341) are fixedly provided on the outer side of each of the two frame blocks (34), and a spring A (36) is sleeved on the outer side of each of the two limiting posts A (341). Two connecting bolts B (352) are threaded on the inner side of each of the two support plates (35) corresponding to the two springs A (36).

5. The punching fixture for the rear crossbeam of an automobile chassis according to claim 3, characterized in that: The inner sides of the two movable seats (3) are provided with T-shaped grooves (38), the top of the two inclined blocks A (33) is provided with inclined blocks B (39), the outer sides of the two inclined blocks B (39) are fixedly provided with T-shaped sliders (392) that match the T-shaped grooves (38), the inner sides of the two inclined blocks B (39) are provided with inclined surfaces B (391), and the side of the two inclined blocks A (33) near the inclined blocks B (39) is provided with inclined surfaces A (331).

6. The punching fixture for the rear crossbeam of an automobile chassis according to claim 5, characterized in that: Push plates (393) are fixedly installed on the top of both inclined blocks B (39), and fixed plates (3931) are fixedly installed on the outer side of both push plates (393). Limiting posts B (3934) are fixedly installed on the top of both movable seats (3). Springs B (3932) are provided between the two fixed plates (3931) and the corresponding limiting posts B (3934). Connecting bolts C (3933) are threaded on the inner side of both fixed plates (3931).

7. The punching fixture for the rear crossbeam of an automobile chassis according to claim 1, characterized in that: An electric push rod (5) is fixedly installed on the outside of the stamping table (2). A limit plate (51) is fixedly installed at the output end of the electric push rod (5). A sealing block (6) is also detachably installed on the side of the stamping table (2) away from the electric push rod (5) by connecting bolt D (61).

Images