Automobile plate bending positioning tool

Abstract

The application discloses a car plate bending positioning tool, and relates to the technical field of car plate processing. The car plate bending positioning tool comprises a base, a positioning piece and a pressing piece. The base is fixedly arranged on a bending machine. The positioning piece is slidably arranged on the base. The positioning piece can push the car plate to slide towards the bending machine. The pressing piece is slidably arranged on the positioning piece. The pressing piece can keep the positioning piece stable when the positioning piece pushes the car plate to move. The car plate bending positioning tool has the effect of improving the accuracy when the car plate is subjected to bending treatment.

Description

Technical Field

[0001] This application relates to the field of automotive sheet metal processing technology, and in particular to an automotive sheet metal bending and positioning fixture. Background Technology

[0002] Bending of automotive sheet metal is an important process in automobile manufacturing. The bending accuracy of the sheet metal directly affects the assembly quality and performance of the vehicle body structure.

[0003] One type of automotive sheet metal bending machine consists of a worktable, a hydraulic cylinder, and a bending die. When it is necessary to bend the automotive sheet metal, the sheet metal is placed on the worktable by hand, and the hydraulic cylinder is started. After the hydraulic cylinder is started, it drives the bending die to move closer to the worktable until the bending die applies pressure to the automotive sheet metal and bends the sheet metal into the desired shape.

[0004] When using the aforementioned bending machine to bend automotive sheet metal, placing the sheet metal on the worktable by hand may result in inaccurate positioning, leading to deviations in the bending position and affecting the accuracy of the bending process. Utility Model Content

[0005] To improve the accuracy of bending automotive sheet metal, this application provides a bending and positioning fixture for automotive sheet metal.

[0006] This application provides a bending and positioning fixture for automotive sheet metal, employing the following technical solution: A bending and positioning fixture for automotive sheet metal, comprising: A base, which is fixedly mounted on the bending machine; A positioning element is slidably disposed on the base, and the positioning element can push the automotive sheet metal to slide towards the bending machine; A clamping member is slidably disposed on the positioning member, and the clamping member enables the positioning member to remain stable when pushing the automotive sheet metal to move.

[0007] By adopting the above technical solution, when bending automotive sheet metal is required, the sheet metal is placed on the base, and the positioning component is activated. Once activated, the positioning component fixes the sheet metal to the base, completing the initial positioning of the sheet metal. After initial positioning, the clamping component is activated to further clamp the sheet metal. After clamping, the positioning component is activated again, pushing the sheet metal into the bending area of ​​the bending machine. Once the sheet metal is in the bending area, the positioning and clamping components are activated in reverse, moving away from the sheet metal until they disengage. At this point, the bending machine can be activated to bend the sheet metal. This method of bending the sheet metal ensures that it will not shift during bending, effectively improving the bending accuracy.

[0008] Optionally, the base is horizontally disposed in the movable groove, and the positioning element includes: A cylinder, which is fixedly mounted on the base on the side away from the bending machine; A push plate is slidably disposed on the base and is fixedly connected to the output end of the cylinder; An electric motor, which is fixedly mounted on one side of the base; A threaded rod is rotatably disposed within the movable groove, and the threaded rod is fixedly connected to the output shaft of the motor; The positioning plates are arranged at intervals along the threaded rod. Each positioning plate is sleeved on the threaded rod and is slidably disposed in the moving groove.

[0009] By adopting the above technical solution, when bending automotive sheet metal is required, the sheet metal is placed on the base, the motor is started, and the motor rotates, driving the threaded rod to rotate. Since the inner circumference of the two positioning plates is fixedly provided with threaded grooves matching the threaded rod, the two positioning plates can move towards each other after the threaded rod rotates, until the positioning plates clamp the automotive sheet metal, at which point the motor stops rotating, thus completing the initial positioning of the automotive sheet metal. After the positioning plates clamp the automotive sheet metal, the clamping component is activated, moving towards the automotive sheet metal until it presses the sheet metal firmly. After the clamping component presses the automotive sheet metal, the output end of the control cylinder moves towards the bending machine. The extended output end of the cylinder drives the push plate to move synchronously. During the movement of the push plate towards the bending machine, it contacts the positioned automotive sheet metal and pushes the sheet metal towards the bending machine, until the automotive sheet metal moves to the bending area, at which point the extension of the cylinder's output end stops. After the automotive sheet metal is moved to the bending area, the clamping component is controlled to move away from the sheet metal, and the motor rotates in the opposite direction. This reverse rotation of the motor drives the threaded rod to rotate in the opposite direction, causing the two positioning plates to move away from the sheet metal until they disengage. At this point, the bending machine can be controlled to bend the sheet metal. This method of bending the automotive sheet metal avoids misalignment during bending due to inaccurate positioning, thus effectively improving the bending accuracy.

[0010] Optionally, the clamping element includes: A drive gear is provided, which is corresponding to the positioning plate one by one, and each drive gear is rotatably disposed in the corresponding positioning plate; A rocker arm is provided, and each rocker arm is rotatably mounted on the side wall of the corresponding positioning plate, and the rocker arm is fixedly connected to the corresponding driving gear. A movable rod is provided in a one-to-one correspondence with the positioning plate, and each movable rod is slidably disposed on the corresponding positioning plate; A rack is provided, with each rack corresponding to one of the moving rods. Each rack is fixedly disposed at one end of the corresponding moving rod, and the rack meshes with the drive gear. Each pressure plate is configured to correspond one-to-one with a moving rod, and each pressure plate is fixedly mounted on the bottom end of a corresponding moving rod.

[0011] By adopting the above technical solution, when bending automotive sheet metal is required, the sheet metal is placed on the base, the motor is started, and the motor rotation drives the threaded rod to rotate. Since the positioning plate is threadedly connected to the threaded rod, the two positioning plates move closer to each other after the threaded rod rotates until the positioning plates clamp the automotive sheet metal, at which point the motor rotation stops. After the positioning plates clamp the automotive sheet metal, the two rocker arms are rotated, which in turn drive the drive gear to rotate. Since the rack meshes with the drive gear, and the rack is fixedly connected to the moving rod, the rotation of the drive gear drives the two moving rods to move closer to the automotive sheet metal. The moving rods then drive the pressure plate to move synchronously until the pressure plate is tightly pressed against the automotive sheet metal, at which point the rocker arms can be stopped. After the pressure plate clamps the automotive sheet metal, the extension end of the control cylinder extends towards the bending machine. The extension end of the cylinder drives the pusher to move towards the bending machine. During the movement of the pusher plate, the pusher plate contacts the clamped automotive sheet metal and pushes the automotive sheet metal towards the bending machine until the automotive sheet metal moves to the bending position of the bending machine, at which point the cylinder extension stops. After the automotive sheet metal is moved to the bending position, the rocker arm is rotated in the opposite direction. This reverse rotation of the rocker arm drives the drive gear in the opposite direction, which in turn drives the moving rod to move the pressure plate away from the automotive sheet metal until the pressure plate disengages from it. Once the pressure plate is out of contact with the sheet metal, the motor is started in the opposite direction. This reverse rotation of the motor drives the threaded rod in the opposite direction, causing the two positioning plates to move away from the sheet metal until they are no longer in contact. The motor then stops. After the pressure plate and positioning plates are no longer in contact with the sheet metal, the bending machine can be started to bend the sheet metal. This method of bending the automotive sheet metal avoids misalignment during bending, which could lead to bending angle deviations after bending, thus effectively improving the stability of the bending process.

[0012] Optionally, the threaded rod is a bidirectional threaded rod.

[0013] By adopting the above technical solution, the bidirectional threaded rod enables the two positioning plates to move synchronously toward or away from the car body panel when the threaded rod rotates, thereby achieving the clamping or loosening of the car body panel. This avoids the situation where the car body panel shifts due to asynchronous movement of the positioning plates during the clamping process, thus effectively improving the stability of the positioning plates when clamping the car body panel.

[0014] Optionally, the positioning plate has a U-shaped structure.

[0015] By adopting the above technical solution, the U-shaped positioning plate increases the contact area between the positioning plate and the car body after clamping the car body, thereby avoiding the car body from sliding or shifting due to insufficient contact area during the clamping process, and thus effectively improving the stability of the positioning plate when clamping the car body.

[0016] Optionally, each of the positioning plates has a plurality of first rollers rotatably mounted on the side of each other that is close to each other.

[0017] By adopting the above technical solution, the first roller is configured so that when the positioning plate clamps the car body panel and the push plate pushes the car body panel to move along the positioning plate, the first roller can convert the sliding friction between the car body panel and the positioning plate during the movement into rolling friction, thereby reducing the frictional resistance of the car body panel during the movement and thus effectively improving the smoothness of the car body panel movement.

[0018] Optionally, each of the pressure plates is rotatably provided with a plurality of second rollers at its bottom end.

[0019] By adopting the above technical solution, the setting of the second idler roller enables the sliding friction between the car body panel and the pressure plate to be converted into rolling friction when the pressure plate is pressing the car body panel and the push plate is pushing the car body panel to move along the pressure plate. This reduces the frictional resistance experienced by the car body panel during movement and effectively improves the smoothness of the car body panel during movement.

[0020] Optionally, a limiting plate is fixedly provided at the top end of the moving rod, and the moving rod contacts the positioning plate.

[0021] By adopting the above technical solution, the setting of the limiting plate can prevent the moving rod from moving excessively when it moves closer to the car body panel, thereby preventing the moving rod from detaching from the positioning plate and effectively improving the stability of the moving rod when it moves along the positioning plate.

[0022] In summary, this utility model embodiment provides an automotive sheet metal bending and positioning fixture, which includes at least one of the following beneficial technical effects: 1. When bending automotive sheet metal, place the sheet metal on the base and activate the positioning mechanism. Once activated, the positioning mechanism secures the sheet metal to the base, completing the initial positioning. After initial positioning, activate the clamping mechanism to further clamp the sheet metal. After clamping, activate the positioning mechanism again, pushing the sheet metal into the bending area of ​​the bending machine. Once the sheet metal is in the bending area, reverse the activation of the positioning and clamping mechanisms, moving them away from the sheet metal until they disengage. At this point, the bending machine can be activated to bend the sheet metal. This method ensures that the sheet metal does not shift during bending, effectively improving the bending accuracy.

[0023] 2. When bending automotive sheet metal is required, place the sheet metal on the base, start the motor, and the motor will rotate, driving the threaded rod to rotate. Since the inner circumference of the two positioning plates is fixed with threaded grooves that match the threaded rod, the two positioning plates will move closer to each other after the threaded rod rotates, until the positioning plates clamp the automotive sheet metal. At this point, stop rotating the motor; the initial positioning of the automotive sheet metal is complete. After the positioning plates clamp the automotive sheet metal, start the clamping mechanism. The clamping mechanism will move closer to the automotive sheet metal until it clamps it tightly. After the clamping mechanism clamps the automotive sheet metal, control the output end of the cylinder to move closer to the bending machine. The extended output end of the cylinder will drive the push plate to move synchronously. During the movement of the push plate towards the bending machine, it will contact the positioned automotive sheet metal and push it towards the bending machine until the automotive sheet metal reaches the bending area. At this point, stop extending the output end of the cylinder. After the automotive sheet metal is moved to the bending area, the clamping component is controlled to move away from the sheet metal, and the motor rotates in the opposite direction. This reverse rotation of the motor drives the threaded rod to rotate in the opposite direction, causing the two positioning plates to move away from the sheet metal until they disengage. At this point, the bending machine can be controlled to bend the sheet metal. This method of bending the automotive sheet metal avoids misalignment during bending due to inaccurate positioning, thus effectively improving the bending accuracy.

[0024] 3. When bending automotive sheet metal is required, place the sheet metal on the base, start the motor, and the motor will rotate, driving the threaded rod to rotate. Since the positioning plate is threadedly connected to the threaded rod, the two positioning plates will move closer to each other after the threaded rod rotates, until the positioning plates clamp the automotive sheet metal, at which point the motor rotation can be stopped. After the positioning plates clamp the automotive sheet metal, rotate the two rocker arms. The rotation of the rocker arms will drive the drive gear to rotate. Since the rack meshes with the drive gear, and the rack is fixedly connected to the moving rod, the rotation of the drive gear will drive the two moving rods to move closer to the automotive sheet metal. The moving rods will drive the pressure plate to move synchronously, until the pressure plate is tightly pressed against the automotive sheet metal, at which point the rocker arms can be stopped. After the pressure plate clamps the automotive sheet metal, extend the extension end of the control cylinder towards the bending machine. The extension end of the cylinder will drive the pusher to move towards the bending machine. During the movement of the pusher plate, the pusher plate will contact the clamped automotive sheet metal and push the automotive sheet metal towards the bending machine, until the automotive sheet metal moves to the bending position of the bending machine, at which point the cylinder extension can be stopped. After the automotive sheet metal is moved to the bending position, the rocker arm is rotated in the opposite direction. This reverse rotation of the rocker arm drives the drive gear in the opposite direction, which in turn drives the moving rod to move the pressure plate away from the automotive sheet metal until the pressure plate disengages from it. Once the pressure plate is out of contact with the sheet metal, the motor is started in the opposite direction. This reverse rotation of the motor drives the threaded rod in the opposite direction, causing the two positioning plates to move away from the sheet metal until they are no longer in contact. The motor then stops. After the pressure plate and positioning plates are no longer in contact with the sheet metal, the bending machine can be started to bend the sheet metal. This method of bending the automotive sheet metal avoids misalignment during bending, which could lead to bending angle deviations after bending, thus effectively improving the stability of the bending process. Attached Figure Description

[0025] Figure 1 A schematic diagram of the structure of an automotive sheet metal bending and positioning fixture provided in this embodiment of the present invention; Figure 2 A schematic diagram of the positioning component in an automotive sheet metal bending and positioning fixture provided in this embodiment of the present invention; Figure 3 A schematic diagram of the structure of a positioning plate in an automotive sheet metal bending and positioning fixture provided in this embodiment of the present invention; Figure 4 This is a schematic diagram of the clamping component in an automotive sheet metal bending and positioning fixture provided for an embodiment of the present invention.

[0026] Explanation of the markings in the image: 1. Base; 12. Bending machine; 2. Positioning component; 21. Cylinder; 22. Push plate; 23. Motor; 24. Threaded rod; 25. Positioning plate; 26. Moving groove; 3. Clamping component; 31. Drive gear; 32. Rocker arm; 33. Moving rod; 34. Rack; 35. Pressure plate; 4. Limiting plate; 5. First idler roller; 6. Second idler roller. Detailed Implementation

[0027] The following is in conjunction with the appendix Figure 1-4 This application will be described in further detail.

[0028] Combination Figure 1 This application discloses an automotive sheet metal bending and positioning fixture, including a base 1, a positioning component 2, and a clamping component 3. The base 1 is fixedly mounted on a bending machine 12, the positioning component 2 is slidably mounted on the base 1, and the positioning component 2 can push the automotive sheet metal towards the bending machine 12. The clamping component 3 is slidably mounted on the positioning component 2, and the clamping component 3 can keep the positioning component 2 stable when pushing the automotive sheet metal.

[0029] In this embodiment, the base 1 is a rectangular structure. The base 1 is fixedly connected to the bending machine 12 by bolts. The specifications of the positioning member 2 match the base 1. The specifications of the positioning member 2 can ensure that it can slide on the base 1. The specifications of the clamping member 3 match the positioning member 2. The specifications of the clamping member 3 can ensure that the clamping member 3 can slide on the positioning member 2.

[0030] In practical use, when bending automotive sheet metal is required, the sheet metal is placed on base 1, and positioning component 2 is activated. Positioning component 2 moves towards the sheet metal until it clamps it. After clamping, pressing component 3 is activated, moving towards pressure plate 35 until it presses the sheet metal firmly. Positioning component 2 is activated again, pushing the sheet metal towards bending machine 12 until it reaches the bending position. Once the sheet metal is in the bending position, positioning component 2 and pressing component 3 are activated in reverse, moving away from the sheet metal until they are completely disengaged. At this point, bending machine 12 can bend the sheet metal.

[0031] Combination Figure 1 , Figure 2 and Figure 3In a specific embodiment, the base 1 is horizontally arranged in the moving groove 26. The positioning component 2 includes a cylinder 21, a push plate 22, a motor 23, a threaded rod 24, and a positioning plate 25. The cylinder 21 is fixedly arranged on the side of the base 1 away from the bending machine 12. The push plate 22 is slidably arranged on the base 1 and is fixedly connected to the output end of the cylinder 21. The motor 23 is fixedly arranged on one side of the base 1. The threaded rod 24 is rotatably arranged in the moving groove 26 and is fixedly connected to the output shaft of the motor 23. Two positioning plates 25 are arranged at intervals along the threaded rod 24. Each positioning plate 25 is sleeved on the threaded rod 24 and is slidably arranged in the moving groove 26. The clamping component 3 includes a drive gear 31, a rocker arm 32, a moving rod 33, a rack 34, and a pressure plate 35. Each drive gear 31 corresponds to a positioning plate 25, and each drive gear 31 is rotatably mounted within its corresponding positioning plate 25. Each rocker arm 32 corresponds to a drive gear 31, and each rocker arm 32 is rotatably mounted on the side wall of its corresponding positioning plate 25 and is fixedly connected to its corresponding drive gear 31. Each moving rod 33 corresponds to a positioning plate 25, and each moving rod 33 is slidably mounted on its corresponding positioning plate 25. Each rack 34 corresponds to a moving rod 33, and each rack 34 is fixedly mounted at one end of its corresponding moving rod 33 and meshes with the drive gear 31. Each pressure plate 35 corresponds to a moving rod 33, and each pressure plate 35 has its corresponding moving rod 33's bottom end fixedly mounted on it. The threaded rod 24 is a bidirectional threaded rod. The positioning plate 25 has a U-shaped structure. A limit plate 4 is fixedly installed at the top of the moving rod 33, and the moving rod 33 is in contact with the positioning plate 25.

[0032] In this embodiment, the moving groove 26 is a rectangular groove. The cylinder 21 is fixedly connected to the base 1 by bolts. The push plate 22 is a rectangular structure and is fixedly connected to the output end of the cylinder 21 by integral molding. The motor 23 is fixedly connected to the base 1 by bolts. The threaded rod 24 is fixedly connected to the output shaft of the motor 23 by integral molding. A threaded groove matching the threaded rod 24 is fixedly provided on the inner circumference of the positioning plate 25. The rocker arm 32 is a rectangular structure, and the moving rod 33 is a rectangular structure. The rack 34 can be fixedly connected to the moving rod 33 by integral molding or by welding, which is not specifically limited in this embodiment. The pressure plate 35 is a rectangular structure and can be fixedly connected to the moving rod 33 by integral molding or by welding, which is not specifically limited in this embodiment. The limiting plate 4 is a rectangular structure and is fixedly connected to the moving rod 33 by integral molding.

[0033] In practical use, when bending automotive sheet metal is required, the sheet metal is placed on the base 1, and the motor 23 is started. The rotation of the motor 23 drives the threaded rod 24 to rotate. Since the threaded rod 24 is a bidirectional threaded rod, and the inner circumference of the positioning plate 25 is fixedly provided with a threaded groove matching the threaded rod 24, the two positioning plates 25 can move along the moving groove 26 towards the automotive sheet metal after the threaded rod 24 rotates, until the U-shaped positioning plate 25 clamps the automotive sheet metal. After the positioning plate 25 clamps the automotive sheet metal, the two rocker arms 32 are rotated. The rotation of the rocker arms 32 drives the corresponding drive gear 31 to rotate, and the rotation of the drive gear 31 drives the rack 34 to move towards the automotive sheet metal. The movement of the rack 34 drives the moving rod 33 and the pressure plate 35 to move towards the automotive sheet metal, until the pressure plate 35 presses the automotive sheet metal, at which point the rocker arms 32 can be stopped. After the pressure plate 35 presses the automotive sheet metal, the extension end of the control cylinder 21 extends towards the bending machine 12. This extension drives the push plate 22 to move synchronously. During this movement, the push plate 22 contacts the automotive sheet metal and pushes it towards the bending machine 12 until the sheet metal reaches the bending position, at which point the extension of the cylinder 21 stops. Once the sheet metal reaches the bending position, the two rocker arms 32 are rotated in the opposite direction. This rotation drives the drive gear 31, which in turn drives the rack 34, moving the moving rod 33 and the pressure plate 35 away from the sheet metal until the pressure plate 35 disengages from it. After the pressure plate 35 disengages, the motor 23 is started in the opposite direction. This rotation drives the threaded rod 24, which in turn moves the two positioning plates 25 away from the sheet metal until they completely disengage. Once the positioning plate 25 and the pressure plate 35 are no longer in contact with the automotive sheet, the bending machine 12 can be started to bend the automotive sheet. During the movement of the moving rod 33, the limiting plate 4 prevents the moving rod 33 from moving excessively and detaching from the positioning plate 25, thus ensuring that the moving rod 33 moves stably within its range of motion.

[0034] Combination Figure 4 In a specific embodiment, each positioning plate 25 has multiple first rollers 5 rotatably mounted on the side of each other that are close to each other. Each pressure plate 35 has multiple second rollers rotatably mounted on its bottom end. In actual use, when the positioning plate 25 and pressure plate 35 press the automotive sheet metal together and the push plate 22 pushes the automotive sheet metal to move, the first rollers 5 and second rollers 6 can convert the sliding friction between the automotive sheet metal and the positioning plate 25 and pressure plate 35 into rolling friction, thereby reducing the frictional resistance of the automotive sheet metal during movement and effectively improving the smoothness of the automotive sheet metal moving along the positioning plate 25 and pressure plate 35.

[0035] The principle of this embodiment is as follows: When bending of the automotive sheet metal is required, the sheet metal is placed on the base 1, and the positioning component 2 is activated. After activation, the positioning component 2 moves towards the automotive sheet metal until it clamps the sheet metal. After clamping the sheet metal, the clamping component 3 is activated. After activation, the clamping component 3 moves towards the pressure plate 35 until it presses the sheet metal. After the clamping component 3 presses the sheet metal, the positioning component 2 is activated again. After activation, the positioning component 2 pushes the sheet metal towards the bending machine 12 until it reaches the bending position. Then, the positioning component 2 is stopped. After the sheet metal reaches the bending position, the positioning component 2 and the clamping component 3 are activated in reverse. After activation, they move away from the sheet metal until they are completely disengaged from the sheet metal. At this point, the bending machine 12 can bend the sheet metal.

[0036] This specific embodiment is merely an explanation of this application and is not intended to limit it. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but such modifications are protected by patent law as long as they fall within the scope of the claims of this application.

Claims

1. An automobile sheet bending positioning tool, characterized in that, include: The base (1) is fixedly mounted on the bending machine (12); Positioning component (2), which is slidably disposed on the base (1), and which can push the automotive sheet metal to slide towards the bending machine (12); A clamping member (3) is slidably disposed on the positioning member (2), and the clamping member (3) enables the positioning member (2) to remain stable when pushing the car body panel to move.

2. The automobile plate bending and positioning tooling according to claim 1, characterized in that, The base (1) is horizontally disposed on the movable groove (26), and the positioning member (2) includes: Cylinder (21), the cylinder (21) is fixedly disposed on the side of the base (1) away from the bending machine (12); Push plate (22), which is slidably disposed on the base (1), and the push plate (22) is fixedly connected to the output end of the cylinder (21); Motor (23), the motor (23) is fixedly mounted on one side of the base (1); A threaded rod (24) is rotatably disposed in the movable groove (26), and the threaded rod (24) is fixedly connected to the output shaft of the motor (23); Positioning plates (25) are provided at intervals along the threaded rod (24). Each positioning plate (25) is sleeved on the threaded rod (24) and each positioning plate (25) is slidably disposed in the moving groove (26).

3. The automobile sheet bending positioning tooling according to claim 2, characterized in that, The clamping element (3) includes: A drive gear (31) is provided in a one-to-one correspondence with the positioning plate (25), and each drive gear (31) is rotatably disposed within the corresponding positioning plate (25); The rocker (32) is provided in a one-to-one correspondence with the drive gear (31). Each rocker (32) is rotatably mounted on the side wall of the corresponding positioning plate (25), and the rocker (32) is fixedly connected to the corresponding drive gear (31). The movable rod (33) is arranged in a one-to-one correspondence with the positioning plate (25), and each movable rod (33) is slidably arranged on the corresponding positioning plate (25); A rack (34) is provided in a one-to-one correspondence with the moving rod (33). Each rack (34) is fixedly provided at one end of the corresponding moving rod (33), and the rack (34) meshes with the drive gear (31). The pressure plate (35) is provided in a one-to-one correspondence with the moving rod (33), and the bottom end of the corresponding moving rod (33) is fixedly provided on each pressure plate (35).

4. The automotive sheet metal bending and positioning fixture according to claim 2, characterized in that, The threaded rod (24) is a bidirectional threaded rod (24).

5. The bending and positioning tool for a sheet metal panel of an automobile according to claim 2, characterized in that, The positioning plate (25) has a U-shaped structure.

6. The automobile sheet bending and positioning tooling apparatus according to claim 2, characterized in that, Each of the positioning plates (25) has a plurality of first rollers (5) rotatably mounted on the side of each other that is close to each other.

7. The automobile sheet bending and positioning tooling apparatus according to claim 3, characterized in that, Each of the pressure plates (35) is rotatably provided with a plurality of second rollers (6) at its bottom end.

8. The automobile sheet bending and positioning tooling according to claim 3, characterized in that, A limiting plate (4) is fixedly installed at the top of the moving rod (33), and the moving rod (33) is in contact with the positioning plate (25).

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