Continuous bending forming tool for main beam of automobile anti-collision beam

Abstract

The utility model discloses a continuous bending forming tool for a main beam of an automobile anti-collision beam, a plurality of guide rails are uniformly arranged on the upper surface of a working table along the width direction, every two guide rails form a group, a fixing plate is arranged between the two guide rails in each group, and a plurality of bending mechanisms are respectively connected with the guide rails and the fixing plate in a matching way. A plurality of guide rails are arranged on the upper surface of the workbench, a fixing plate is arranged between every two guide rails, T-shaped guide blocks are arranged at the bottoms of U-shaped frames of the bending mechanisms, the T-shaped guide blocks correspond to the guide rails and are in sliding fit with the guide rails, and the bottoms of the U-shaped frames are connected with the fixing plates through bolts. Therefore, replacement can be conveniently carried out according to different girders, the flexibility is greatly improved, and meanwhile the stability of the bending mechanism is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile girder bending tooling, in particular to a kind of automobile crash beam main girder continuous bending forming tooling. BACKGROUND

[0002] The automobile crash beam is a device for reducing the impact energy absorbed by the vehicle when colliding, which is composed of a main beam, an energy-absorbing box and a mounting plate connected to the vehicle. The main beam and the energy-absorbing box can effectively absorb the impact energy when the vehicle collides at low speed, minimizing the damage to the vehicle body longitudinal beam. This way it plays a protective role for the vehicle.

[0003] The automobile crash beam main girder is currently mostly made by stamping or continuous bending forming. The stamping forming die needs to be customized, so the cost is high. The continuous bending forming tooling can replace the roller die, so the cost is lower and the suitability is better. The existing automobile crash beam main girder continuous bending forming tooling generally uses two side frames and installs a continuous roller die between the side frames to achieve continuous bending forming. However, this structure is not convenient for replacing the roller die, so an improved technology is needed to solve this problem in the prior art. SUMMARY

[0004] The utility model aims at providing a kind of automobile crash beam main girder continuous bending forming tooling, and the upper surface of workbench is provided with several guide rails, and fixed plate is provided between every two guide rails, the bottom of U-shaped frame of bending mechanism is provided with T-shaped guide block, T-shaped guide block corresponds with guide rail and slides fit, and U-shaped frame bottom is connected with fixed plate by bolt. This structure is convenient for the installation and disassembly of each independent bending mechanism, so it is convenient to replace according to different girders, greatly improves flexibility, and ensures the stability of bending mechanism, to solve the problem raised in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of automobile crash beam main girder continuous bending forming tooling, including workbench and bending mechanism;

[0006] The upper surface of the workbench is uniformly provided with a plurality of guide rails along the width direction, and every two guide rails form a group. The workbench is provided with a plurality of speed reducer motor installation stations on one side. Each group of guide rails corresponds to a speed reducer motor installation station. A fixed plate is provided between the two guide rails of each group. A speed reducer motor is provided on the upper surface of the speed reducer motor installation station. The output shaft of the speed reducer motor is provided with a connecting sleeve. A square hole is formed in the connecting sleeve.

[0007] The bending mechanism is several and is connected with the guide rail and the fixed plate respectively, the bending mechanism comprises a U-shaped frame, a driving roller, a driven roller, a lifting block, a top plate, a screw rod, a T-shaped guide block, a driving roller bending die and a driven roller bending die, lifting grooves are formed in the two sides of the U-shaped frame, the two ends of the driving roller are rotationally connected with the two sides of the U-shaped frame respectively, an extension shaft is arranged at one end of the driving roller, a square rod is arranged at the outer end of the extension shaft, the extension shaft is matched with the connecting sleeve of the corresponding speed reducer, and the square rod is inserted into the square hole, the two ends of the driven roller are rotationally connected with the lifting block, the lifting block is slidingly arranged in the lifting groove of the U-shaped frame, a limiting block is arranged on the upper surface of the lifting block, a top plate is arranged on the upper surfaces of the two sides of the U-shaped frame, the top plate is provided with an internal thread sleeve, the screw rod is matched with the internal thread sleeve, a disc is arranged at the bottom end of the screw rod, and the disc is rotationally matched with the limiting block, T-shaped guide blocks are arranged at the bottoms of the two sides of the U-shaped frame, the T-shaped guide blocks are slidingly matched with the corresponding guide rails, the U-shaped frame is fastened and connected with the corresponding fixed plate through bolts, the driving roller is provided with the driving roller bending die, the driven roller is provided with the driven roller bending die, and the driving roller bending die and the driven roller bending die are matched with each other.

[0008] Preferably, the fixing plate is provided with a plurality of screw holes, and the bottom of the U-shaped frame is provided with a connecting hole matched with the screw holes.

[0009] Preferably, the height of the fixing plate is consistent with the height of the guide rail.

[0010] Preferably, the guide rail is provided with a T-shaped guide groove corresponding to the T-shaped guide block.

[0011] Preferably, the bottom surface of the workbench is provided with a supporting seat.

[0012] Preferably, the limiting block is internally provided with a cavity and is open on one side, the upper surface of the limiting block is provided with a U-shaped groove, the bottom of the screw rod is arranged in the U-shaped groove, and the disc is rotationally arranged in the cavity of the limiting block.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The workbench surface is equipped with several guide rails, and a fixing plate is set between each pair of guide rails. The bottom of the U-shaped frame of the bending mechanism is equipped with a T-shaped guide block, which corresponds to and slides with the guide rail. The bottom of the U-shaped frame is connected to the fixing plate by bolts. This structure facilitates the installation and disassembly of each independent bending mechanism, thereby making it easy to replace according to different beams, greatly improving flexibility, while ensuring the stability of the bending mechanism. Attached Figure Description

[0015] Figure 1 This is a top view of the structure of this utility model;

[0016] Figure 2 This is a front view of the structure of the present invention located at the bending mechanism;

[0017] Figure 3 This is a side view of the structure of the present invention located at the bending mechanism;

[0018] Figure 4 This is a schematic diagram of the limit block structure.

[0019] In the diagram: 1. Workbench; 2. Guide rail; 3. Gear motor mounting station; 4. Fixing plate; 5. Gear motor; 6. Connecting sleeve; 7. U-shaped frame; 8. Driven roller; 9. Driven roller; 10. Lifting block; 11. Top plate; 12. Screw; 13. T-shaped guide block; 14. Driven roller bending mold; 15. Driven roller bending mold; 16. Lifting groove; 17. Extension shaft; 18. Square rod; 19. Limiting block; 20. Internal threaded sleeve; 21. Disc; 22. Support seat; 23. U-shaped groove. Detailed Implementation

[0020] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0021] It should be noted that in the description of this utility model, the terms "inner", "outer", "upper", "lower", "both sides", "one end", "the other end", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0022] Please see Figures 1-4This utility model provides a technical solution: a tooling for continuous bending and forming of the main beam of an automobile anti-collision beam, including a workbench 1 and a bending mechanism;

[0023] Multiple guide rails 2 are evenly arranged along the width direction on the upper surface of the workbench 1. Two guide rails 2 form a group. Several geared motor installation stations 3 are arranged on one side of the workbench 1. Each group of guide rails 2 corresponds to one geared motor installation station 3. A fixing plate 4 is arranged between the two guide rails 2 in each group. A geared motor 5 is arranged on the upper surface of the geared motor installation station 3. A connecting sleeve 6 is arranged on the output shaft of the geared motor 5. A square hole is opened inside the connecting sleeve 6. A support base 22 is arranged on the lower surface of the workbench 1 to achieve overall support.

[0024] Several bending mechanisms are provided, each connected to the guide rail 2 and the fixed plate 4. The bending mechanism includes a U-shaped frame 7, a driving roller 8, a driven roller 9, a lifting block 10, a top plate 11, a screw 12, a T-shaped guide block 13, a driving roller bending die 14, and a driven roller bending die 15. Lifting grooves 16 are provided on both sides of the U-shaped frame 7. The two ends of the driving roller 8 are rotatably connected to both sides of the U-shaped frame 7. One end of the driving roller 8 is provided with an extension shaft 17, and the outer end of the extension shaft 17 is provided with a square rod 18. The extension shaft 17 is connected to the connecting sleeve 6 of the corresponding reduction motor 5. The square rod 18 is inserted into the square hole. The two ends of the driven roller 9 are rotatably connected to the lifting block 10. The lifting block 10 is slidably disposed in the lifting groove 16 of the U-shaped frame 7. The upper surface of the lifting block 10 is provided with a limit block 19. The upper surfaces of both sides of the U-shaped frame 7 are provided with a top plate 11. The top plate 11 is provided with an internal threaded sleeve 20. The screw 12 is engaged with the internal threaded sleeve 20. The bottom end of the screw 12 is provided with a disc 21. The disc 21 is rotatably engaged with the limit block 19. The limit block 19 has a cavity inside and one side is open. The upper surface of the limit block 19 is provided with a U-shaped groove. 23. The bottom of the screw 12 is set in the U-shaped groove 23, and the disc 21 is rotatably set in the cavity of the limiting block 19. This structure is designed to cooperate with the disc 21 and limit its movement. T-shaped guide blocks 13 are set on both sides of the bottom of the U-shaped frame 7. The T-shaped guide blocks 13 slide with the corresponding guide rails 2. The guide rails 2 have T-shaped guide grooves that correspond to the T-shaped guide blocks 13 to ensure the stability of the cooperation between the T-shaped guide blocks 13 and the guide rails 2. The bottom of the U-shaped frame 7 is fastened to the corresponding fixing plate 4 by bolts. The U-shaped frame 7 has several screw holes and a connecting hole at its bottom. The connecting hole at the bottom of the U-shaped frame 7 is connected to the screw holes. The U-shaped frame 7 is connected to the fixing plate 4 by bolts, which facilitates the installation and disassembly of the U-shaped frame 7. The height of the fixing plate 4 is the same as the height of the guide rail 2 to ensure that the bottom of the U-shaped frame 7 can be supported on the upper surface of the fixing plate 4, thereby ensuring stability. The driving roller 8 is equipped with a driving roller bending mold 14, and the driven roller 9 is equipped with a driven roller bending mold 15. The driving roller bending mold 14 and the driven roller bending mold 15 cooperate with each other.

[0025] Installation method and operating principle: First, assemble the bending mechanism. Place the active roller bending mold 14 on the active roller 8 and tighten it with bolts. At the same time, connect the active roller 8 to the U-shaped frame 7. Next, place the driven roller bending mold 15 on the driven roller 9 and tighten it with bolts. Then, connect both ends of the driven roller 9 to the lifting blocks 10 respectively. Insert the lifting blocks 10 into the lifting slots 16 on both sides of the U-shaped frame 7. Next, mate the screw 12 with the internal threaded sleeve 20 of the top plate 11. Adjust the position of the screw 12 and insert the disc 21 at the bottom of the screw 12 laterally into the cavity inside the limiting block 19. At the same time, connect the top plate 11 to the top of the U-shaped frame 7 with bolts to complete the assembly of the bending mechanism. Subsequently, as needed, the T-shaped guide block 13 at the bottom of the U-shaped frame 7 is inserted laterally from the guide rail 2, and the bending mechanism is moved above the fixed plate 4. After aligning the connecting hole at the bottom of the U-shaped frame 7 with the screw hole of the fixed plate 4, it is tightened with bolts. At this time, the extension shaft 17 of the active roller 8 is inserted into the connecting sleeve 6, and the square rod 18 is inserted into the square hole of the connecting sleeve to complete the installation. The steel plate passes through the bending mechanism and is continuously bent through different active roller bending dies 14 and driven roller bending dies 15. Finally, it is cut to obtain the main beam of the anti-collision beam. This utility model has a reasonable structure. Several guide rails 2 are provided on the upper surface of the workbench 1, and a fixed plate 4 is provided between each pair of guide rails 2. The bottom of the U-shaped frame 7 of the bending mechanism is provided with a T-shaped guide block 13. The T-shaped guide block 13 corresponds to and slides with the guide rail 2. The bottom of the U-shaped frame 7 is connected to the fixed plate 4 with bolts. This structure facilitates the installation and disassembly of each independent bending mechanism, thereby facilitating replacement according to different beams, greatly improving flexibility, and ensuring the stability of the bending mechanism.

[0026] Any aspects of this utility model not described in detail are well-known technologies to those skilled in the art.

[0027] Finally, it should be noted that the above specific embodiments are only used to illustrate the technical solution of this utility model and not to limit it. Although this utility model has been described in detail with reference to the embodiments, those skilled in the art should understand that modifications and equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications and substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A tooling for continuously bending and forming the main beam of an automotive anti-collision beam, characterized in that: Includes a workbench (1) and a bending mechanism; The workbench (1) has multiple guide rails (2) evenly arranged along the width direction on its upper surface. Two guide rails (2) are grouped together. Several geared motor installation stations (3) are arranged on one side of the workbench (1). Each group of guide rails (2) corresponds to one geared motor installation station (3). A fixing plate (4) is arranged between the two guide rails (2) in each group. A geared motor (5) is arranged on the upper surface of the geared motor installation station (3). A connecting sleeve (6) is provided on the output shaft of the geared motor (5). A square hole is opened inside the connecting sleeve (6). The bending mechanism comprises several components, each connected to a guide rail (2) and a fixed plate (4). Each bending mechanism includes a U-shaped frame (7), a drive roller (8), a driven roller (9), a lifting block (10), a top plate (11), a screw (12), a T-shaped guide block (13), a drive roller bending mold (14), and a driven roller bending mold (15). The U-shaped frame (7) has lifting grooves (16) on both sides. The drive roller (8) is rotatably connected to both sides of the U-shaped frame (7). One end of the drive roller (8) has an extension shaft (17), and the outer end of the extension shaft (17) has a square rod (18). The extension shaft (17) is connected to the connecting sleeve (6) of the corresponding reduction motor (5), and the square rod (18) is inserted into a square hole. Both ends of the driven roller (9) are rotatably connected to the lifting block (10). The lifting block (10) is slidably mounted on the lifting section of the U-shaped frame (7). Inside the lowering groove (16), the upper surface of the lifting block (10) is provided with a limiting block (19), the upper surfaces of both sides of the U-shaped frame (7) are provided with a top plate (11), the top plate (11) is provided with an internal thread sleeve (20), the screw (12) cooperates with the internal thread sleeve (20), the bottom end of the screw (12) is provided with a disc (21), the disc (21) is rotatably cooperated with the limiting block (19), the bottom sides of the U-shaped frame (7) are provided with T-shaped guide blocks (13), the T-shaped guide blocks (13) are slidably cooperated with the corresponding guide rail (2), the bottom of the U-shaped frame (7) is fastened to the corresponding fixing plate (4) by bolts, the active roller (8) is equipped with an active roller bending mold (14), the driven roller (9) is equipped with a driven roller bending mold (15), the active roller bending mold (14) and the driven roller bending mold (15) cooperate with each other.

2. The continuous bending forming fixture for the main beam of an automotive anti-collision beam according to claim 1, characterized in that: The fixing plate (4) has several screw holes, and the bottom of the U-shaped frame (7) has a connecting hole. The connecting hole at the bottom of the U-shaped frame (7) is connected to the screw hole.

3. The continuous bending forming fixture for the main beam of an automotive anti-collision beam according to claim 1, characterized in that: The height of the fixing plate (4) is the same as the height of the guide rail (2).

4. The continuous bending forming fixture for the main beam of an automotive anti-collision beam according to claim 1, characterized in that: The guide rail (2) has a T-shaped guide groove, and the T-shaped guide groove of the guide rail (2) corresponds to the T-shaped guide block (13).

5. The continuous bending forming fixture for the main beam of an automotive anti-collision beam according to claim 1, characterized in that: A support base (22) is provided on the lower surface of the workbench (1).

6. The continuous bending forming fixture for the main beam of an automotive anti-collision beam according to claim 1, characterized in that: The limiting block (19) has a cavity inside and one side is open. A U-shaped groove (23) is opened on the upper surface of the limiting block (19). The bottom of the screw (12) is set in the U-shaped groove (23). The disc (21) is rotatably set in the cavity of the limiting block (19).

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