Three-station pin shearing and bending tool

Abstract

The utility model belongs to the technical field of sensors, and particularly relates to a three-station pin shearing and bending tool, a station table and a sensor workpiece, a moving device is arranged on the outer surface of the station table, the moving device comprises a moving frame, the moving frame moves to drive the sensor workpiece to move synchronously, and a processing device is arranged to process the sensor workpiece. A sensor workpiece is sheared, a piston rod of a shearing hydraulic cylinder stretches out and draws back to drive a shearing upper die to ascend and descend in a shearing lower die, the sensor workpiece is sheared, and a piston rod of a bending hydraulic cylinder stretches out and draws back to drive a bending upper die to ascend and descend in a bending lower die. A piston rod of the limiting hydraulic cylinder stretches out and draws back to drive the limiting block to ascend and descend in grooves of the lower bending die and the upper bending die, the limiting block is matched with the upper bending die to control the bending process, a piston rod of the corner bending hydraulic cylinder stretches out and draws back to drive the upper corner bending die to ascend and descend in the lower corner bending die, and the upper corner bending die is slidably connected with the movable frame in an inserted mode to limit the movable frame. And the sensor workpiece is bent into a required bent angle.

Description

Technical Field

[0001] The utility model relates to the technical field of sensors, in particular to a three-station shearing and bending tool. Background Art

[0002] Current and voltage sensors are widely used in modern electronic devices and require high precision and reliability. With the increasing trend of miniaturization and lightweighting, higher requirements are placed on the design and manufacturing of sensors. The shearing and bending tooling is used to accurately shape the structural parts of the sensor to ensure that the sensor can maintain good performance and stability during the current and voltage measurement process. Through the shearing and bending process, the shape of the sensor can be optimized to adapt to specific installation requirements.

[0003] A Chinese patent with authorization announcement number CN218517602U discloses a component pin shearing and bending structure, including a frame, the frame including a base plate, a first back plate and a second back plate arranged opposite to the base plate; a clamping module, the clamping module including a lifting rod, a first guide bar, a second guide bar first cover plate and a second cover plate, the first guide bar and the second guide bar are respectively arranged on the lifting rod; a transmission module, the transmission module including a rotating shaft, a first limiting wheel, a second limiting wheel, a bending limiting wheel and a component limiting wheel; a pin shearing module, used to cut off the pins of electronic components, the pin shearing module including a pin shearing shaft, a first shearing caster and a second shearing caster, the first shearing caster intersects with the outer edge of the first limiting wheel, and the second shearing caster intersects with the outer edge of the second limiting wheel; a bending module, used to bend the pins of electronic components, the bending module including a bending shaft and a bending kit.

[0004] However, the above solution completes all operations at one station when shearing and bending the sensor, which will lead to reduced efficiency when processing complex or large-scale production. Each operation needs to be completed manually or mechanically, thereby increasing the overall processing time. In addition, due to the lack of a fixed trajectory, the motion path will deviate, resulting in uneven or misaligned workpiece processing, affecting the accuracy of subsequent processes. Therefore, a three-station shearing and bending tool is proposed to solve the above problems. Utility Model Content

[0005] In order to solve the technical problems that when shearing and bending the sensor, all operations are completed at one station, which leads to reduced efficiency when processing complex or large-scale production, and due to the lack of a fixed trajectory, the motion path will deviate, resulting in uneven or misplaced workpiece processing accuracy, the present application provides a three-station shearing and bending tool.

[0006] The utility model proposes a three-station shearing and bending tool, which includes a station table and a sensor workpiece. The outer surface of the station table is provided with a moving device, and the moving device includes a moving frame. The movement of the moving frame drives the sensor workpiece to move synchronously.

[0007] The outer surface of the workstation is provided with a processing device, and the processing device includes a shearing upper mold. The movement of the shearing upper mold shears the sensor workpiece.

[0008] Preferably, the moving device further comprises a motor, which is fixedly mounted on the outer surface of the workbench, and the output shaft of the motor and the outer surface of the workbench are both rotatably connected to a synchronous belt via a synchronous wheel.

[0009] Through the above technical solution, the motor is fixedly installed on the work station, and the output shaft of the motor and the outer surface of the work station are connected with a synchronous belt through the rotation of the synchronous wheel, forming a closed transmission system to drive the mobile frame fixedly installed with the synchronous belt to move.

[0010] Preferably, a guide rail is fixedly mounted on the upper surface of the workbench, the outer surface of the guide rail is slidably connected to the inner wall of the groove of the movable frame, and the inner wall of the groove of the movable frame is fixedly mounted to the outer surface of the synchronous belt.

[0011] Through the above technical solution, the guide rails are fixed to the workstation table to fix it, the guide rails are slidably connected to the mobile frame to fix it while allowing the mobile frame to move smoothly along the guide rails, the mobile frame is fixed to the synchronous belt to fix it while driving the mobile frame to move, the sensor workpiece is placed on the upper surface of the mobile frame, and the movement of the mobile frame drives the sensor workpiece to move synchronously. Due to the shape design of the mobile frame, the sensor workpiece is slidably inserted into the grooves on both sides of it to fix it, and at the same time, a sensor is set in the mobile frame, which can monitor the position and status of the workpiece in real time at each workstation to ensure the processing accuracy of each step.

[0012] Preferably, the processing device also includes a shearing hydraulic cylinder, which is fixedly mounted on the outer surface of the workbench, and one end of the piston rod of the shearing hydraulic cylinder is fixedly mounted on the upper surface of the shearing upper mold. The upper surface of the workbench is fixedly mounted with a shearing lower mold by bolts, and the shearing upper mold is slidably inserted into the inner wall of the groove of the shearing lower mold.

[0013] Through the above technical solution, the shearing hydraulic cylinder is fixed to the workbench, and one end of the piston rod of the shearing hydraulic cylinder is fixed to the shearing upper mold. While fixing it, the extension and contraction of the piston rod of the shearing hydraulic cylinder drives the shearing upper mold to rise and fall in the sliding and plugged shearing lower mold, so that the sensor workpiece can be sheared by the tool on the shearing upper mold. An annular protrusion is fixed on the inner wall of the groove of the shearing upper mold. The annular protrusion is made of rubber, which can position and fix the place where the sensor workpiece needs to be sheared without affecting its shearing. At the same time, the shearing upper mold consists of a support plate and a mold, which are fixed by bolts. They are fixed and easy to disassemble. The workbench and the shearing lower mold are fixed by bolts. They are fixed and easy to plug, so that sensor workpieces with different product structures can be sheared by replacing different molds.

[0014] Preferably, a bending hydraulic cylinder is fixedly installed on the outer surface of the work station, a bending upper mold is fixedly installed on one end of the piston rod of the bending hydraulic cylinder, a bending lower mold is fixedly installed on the upper surface of the work station by bolts, and the bending upper mold is slidably inserted into the inner wall of the groove of the bending lower mold.

[0015] Through the above technical solution, the work station is fixed to the bending hydraulic cylinder, and the piston rod of the bending hydraulic cylinder is fixed to the bending upper mold. While fixing it, the extension and contraction of the piston rod of the bending hydraulic cylinder drives the bending upper mold to rise and fall in the sliding and plugged bending lower mold. At the same time, the bending upper mold is composed of a support plate and a mold, and the two are fixed and installed by bolts. It is easy to disassemble while it is fixed. The work station and the bending lower mold are fixed and installed by bolts. It is easy to disassemble while it is fixed, so that sensor workpieces with different product structures can be bent by replacing different molds.

[0016] Preferably, a limiting hydraulic cylinder is fixedly installed on the outer surface of the workbench, and a limiting block is fixedly installed on one end of the piston rod of the limiting hydraulic cylinder by a bolt, and the outer surface of the limiting block is slidably plugged into the inner wall of the groove of the upper bending mold and the inner wall of the groove of the lower bending mold.

[0017] Through the above technical solution, the workbench is fixed to the limit hydraulic cylinder, and one end of the piston rod of the limit hydraulic cylinder is fixed to the limit block by bolts, which makes it easy to disassemble while fixing it. The limit block is slidably connected with the bending upper mold and the bending lower mold to limit its movement trajectory so that it can cooperate with the bending upper mold, thereby increasing the control over the bending process and preventing excessive bending.

[0018] Preferably, a bending angle hydraulic cylinder is fixedly installed on the outer surface of the work station, and a bending angle upper mold is fixedly installed on one end of the piston rod of the bending angle hydraulic cylinder. The outer surface of the bending angle upper mold is slidably inserted into the inner wall of the groove of the movable frame, and a bending angle lower mold is fixedly installed on the upper surface of the work station by bolts, and the bending angle upper mold is slidably inserted into the inner wall of the groove of the bending angle lower mold.

[0019] Through the above technical scheme, the work station is fixedly installed with the bending hydraulic cylinder, and fixed, and the piston rod of the bending hydraulic cylinder is fixedly installed with the bending upper mold. While fixing it, the piston rod of the bending hydraulic cylinder is extended and retracted to drive the bending upper mold to rise and fall in the sliding and plugged bending lower mold. The bending upper mold is slidably plugged with the movable frame and limited so that the sensor workpiece is bent into the required angle. At the same time, the bending upper mold is composed of a support plate and a mold, and the two are fixedly installed with bolts, which are easy to disassemble while being fixed. The work station and the bending lower mold are fixedly installed with bolts, which are easy to disassemble while being fixed, so that the sensor workpiece with different product structures can be bent into the required angle by replacing different molds.

[0020] The beneficial effects of the present invention are:

[0021] 1. By setting up a moving device, the sensor workpiece is driven to move synchronously. The output shaft of the motor and the outer surface of the workstation are connected with a synchronous belt through the rotation of the synchronous wheel to form a closed transmission system, which drives the mobile frame to move on the guide rail. The sensor workpiece is placed on the upper surface of the mobile frame. The movement of the mobile frame drives the sensor workpiece to move synchronously. Due to the shape design of the mobile frame, the sensor workpiece is slidably plugged into the grooves on both sides of it to be fixed. At the same time, a sensor is set in the mobile frame to monitor the position and status of the workpiece in real time at each workstation to ensure the processing accuracy of each step. It solves the technical problem that when the sensor is sheared and bent, the movement path will deviate due to the lack of a fixed trajectory, resulting in uneven or dislocated workpiece processing, affecting the accuracy of subsequent processes.

[0022] 2. By setting up a processing device, the sensor workpiece is sheared. The extension and contraction of the piston rod of the shearing hydraulic cylinder drives the shearing upper mold to rise and fall in the sliding plug-in shearing lower mold, so that the sensor workpiece is sheared by the tool on the shearing upper mold. The annular protrusion fixedly installed on the inner wall of the groove of the shearing upper mold is made of rubber, which fixes the part of the sensor workpiece that needs to be bent. The extension and contraction of the piston rod of the bending hydraulic cylinder drives the bending upper mold to rise and fall in the sliding plug-in bending lower mold. The extension and contraction of the piston rod of the limit hydraulic cylinder drives the limit block fixedly installed by the bolt to bend the sliding pin. The lower mold and the upper bending mold rise and fall in the grooves to cooperate with the upper bending mold to control the bending process. The piston rod of the bending hydraulic cylinder extends and retracts to drive the upper bending mold to rise and fall in the sliding and plugged lower bending mold. At the same time, the upper bending mold is slidably plugged into the movable frame to limit its position so that the sensor workpiece is bent into the required angle. This solves the technical problem that when shearing and bending the sensor, all operations are completed at one workstation, which will lead to reduced efficiency when processing complex or large-scale production. Each operation needs to be completed manually or mechanically, thereby increasing the overall processing time. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of a three-station shearing and bending tool proposed in the utility model;

[0024] Figure 2 This is a three-dimensional diagram of the motor structure of a three-station shearing and bending tool proposed in the utility model;

[0025] Figure 3 This is a three-dimensional diagram of the shear hydraulic cylinder structure of a three-station shear leg bending tool proposed in the utility model;

[0026] Figure 4 This is a three-dimensional diagram of the guide rail structure of a three-station shearing and bending tool proposed in the utility model;

[0027] Figure 5 This is a three-dimensional diagram of the limit block structure of a three-station shearing and bending tool proposed in the utility model;

[0028] Figure 6 This is a three-dimensional diagram of the shearing upper mold structure of a three-station shearing leg bending tool proposed by the utility model.

[0029] In the figure: 1. Work station; 11. Sensor workpiece; 2. Motor; 21. Synchronous belt; 3. Guide rail; 31. Moving frame; 4. Shearing hydraulic cylinder; 41. Shearing upper mold; 42. Shearing lower mold; 5. Bending hydraulic cylinder; 51. Bending upper mold; 52. Bending lower mold; 6. Limiting hydraulic cylinder; 61. Limiting block; 7. Bending hydraulic cylinder; 71. Bending upper mold; 72. Bending lower mold. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0031] Reference Figures 1-6 A three-station shearing and bending tool includes a station platform 1 and a sensor workpiece 11. The outer surface of the station platform 1 is provided with a moving device, which includes a moving frame 31. The movement of the moving frame 31 drives the sensor workpiece 11 to move synchronously.

[0032] In order to drive the synchronous belt 21 to operate, the moving device also includes a motor 2, which is fixedly mounted on the outer surface of the work station 1. The output shaft of the motor 2 and the outer surface of the work station 1 are both connected to the synchronous belt 21 through a synchronous wheel. The motor 2 is fixedly mounted on the work station 1 and fixed to it. The output shaft of the motor 2 and the outer surface of the work station 1 are both connected to the synchronous belt 21 through a synchronous wheel to form a closed transmission system to drive the moving frame 31 fixedly mounted on the synchronous belt 21 to move.

[0033] The guide rails 3 are fixedly installed on the upper surface of the workbench 1, and the outer surface of the guide rails 3 is slidably connected to the inner wall of the groove of the movable frame 31. The inner wall of the groove of the movable frame 31 is fixedly installed to the outer surface of the synchronous belt 21. The guide rails 3 are fixed to the workbench 1 to fix it, and the guide rails 3 are slidably connected to the movable frame 31 to fix it while allowing the movable frame 31 to move smoothly along the guide rails 3. The movable frame 31 is fixed to the synchronous belt 21 to fix it while driving the movable frame 31 to move. The sensor workpiece 11 is placed on the upper surface of the movable frame 31, and the movement of the movable frame 31 drives the sensor workpiece 11 to move synchronously. Due to the shape design of the movable frame 31, the sensor workpiece 11 is slidably plugged into the grooves on both sides of it to fix it. At the same time, a sensor is set in the movable frame 31, which can monitor the position and status of the workpiece in real time at each workstation to ensure the processing accuracy of each step.

[0034] By setting up a moving device, the sensor workpiece 11 is driven to move synchronously. The output shaft of the motor 2 and the outer surface of the workstation 1 are connected to the synchronous belt 21 through the rotation of the synchronous wheel, forming a closed transmission system, which drives the mobile frame 31 to move on the guide rail 3. The sensor workpiece 11 is placed on the upper surface of the mobile frame 31. The movement of the mobile frame 31 drives the sensor workpiece 11 to move synchronously. Due to the shape design of the mobile frame 31, the sensor workpiece 11 is slidably inserted into the grooves on both sides of it to be fixed. At the same time, a sensor is set in the mobile frame 31, which can monitor the position and status of the workpiece in real time at each workstation to ensure the processing accuracy of each step. It solves the technical problem that when the sensor is sheared and bent, the motion path will deviate due to the lack of a fixed trajectory, resulting in uneven or dislocated workpiece processing, affecting the accuracy of subsequent processes.

[0035] In order to shear the sensor workpiece 11 , a processing device is provided on the outer surface of the workstation 1 . The processing device includes a shearing upper mold 41 . The movement of the shearing upper mold 41 shears the sensor workpiece 11 .

[0036] In order to shear the sensor workpiece 11 of different product structures by replacing different molds, the processing device also includes a shearing hydraulic cylinder 4, which is fixedly mounted on the outer surface of the work station 1, and one end of the piston rod of the shearing hydraulic cylinder 4 is fixedly mounted on the upper surface of the shearing upper mold 41. The upper surface of the work station 1 is fixedly mounted with a shearing lower mold 42 by bolts, and the shearing upper mold 41 is slidably inserted into the inner wall of the groove of the shearing lower mold 42. The shearing hydraulic cylinder 4 is fixedly mounted on the work station 1 to fix it, and one end of the piston rod of the shearing hydraulic cylinder 4 is fixedly mounted on the shearing upper mold 41 to fix it. While fixing it, the extension and contraction of the piston rod of the shearing hydraulic cylinder 4 drives the shearing The cutting upper mold 41 is raised and lowered in the sliding and plugged shearing lower mold 42 so that the sensor workpiece 11 can be sheared by the tool on the shearing upper mold 41. The inner wall of the groove of the shearing upper mold 41 is fixedly installed with an annular protrusion, which is made of rubber. It can locate and fix the place where the sensor workpiece 11 needs to be sheared without affecting its shearing. At the same time, the shearing upper mold 41 consists of a support plate and a mold, which are fixed and installed by bolts. They are fixed and easy to disassemble. The work station 1 and the shearing lower mold 42 are fixed and installed by bolts. They are fixed and easy to plug, so that the sensor workpiece 11 with different product structures can be sheared by replacing different molds.

[0037] The cam 52 is fixed to the workbench 1 and the lower cam 52 is fixed to the workbench 1 by bolts, and the upper cam 51 is slidably inserted into the inner wall of the groove of the lower cam 52. The workbench 1 and the cam 52 are fixed to the workbench 1 and the lower cam 52 by bolts, and the upper cam 51 is slidably inserted into the inner wall of the groove of the lower cam 52.

[0038] In order to prevent excessive bending, a limiting hydraulic cylinder 6 is fixedly installed on the outer surface of the workbench 1, and one end of the piston rod of the limiting hydraulic cylinder 6 is fixedly installed with a limiting block 61 by bolts. The outer surface of the limiting block 61 is slidably plugged into the inner wall of the groove of the bending upper mold 51 and the inner wall of the groove of the bending lower mold 52. It is fixed to the workbench 1 and the limiting hydraulic cylinder 6 to fix it, and one end of the piston rod of the limiting hydraulic cylinder 6 is fixed to the limiting block 61 by bolts. It is fixed and easy to disassemble at the same time. The limiting block 61 is slidably plugged into the bending upper mold 51 and the bending lower mold 52 to limit its movement trajectory so that it can cooperate with the bending upper mold 51, thereby increasing the control over the bending process and preventing excessive bending.

[0039] In order to be able to bend the sensor workpiece 11 of different product structures into the required angle by changing different molds, a bending hydraulic cylinder 7 is fixedly installed on the outer surface of the work station 1, and an upper bending mold 71 is fixedly installed on one end of the piston rod of the bending hydraulic cylinder 7. The outer surface of the upper bending mold 71 is slidably plugged into the inner wall of the groove of the movable frame 31, and a lower bending mold 72 is fixedly installed on the upper surface of the work station 1 by bolts. The upper bending mold 71 is slidably plugged into the inner wall of the groove of the lower bending mold 72, and is fixedly installed and fixed to the work station 1 and the bending hydraulic cylinder 7. The piston rod of the bending hydraulic cylinder 7 and the upper bending mold 71 are fixedly connected. It is fixedly installed. While it is fixed, the piston rod of the bending hydraulic cylinder 7 is extended and retracted to drive the upper bending mold 71 to rise and fall in the sliding and plugged lower bending mold 72. The upper bending mold 71 is slidably plugged with the movable frame 31 to limit its position so that the sensor workpiece 11 is bent into the required angle. At the same time, the upper bending mold 71 is composed of a support plate and a mold, and the two are fixed and installed by bolts. It is easy to disassemble while it is fixed. The work station 1 and the lower bending mold 72 are fixed and installed by bolts. It is easy to disassemble while it is fixed, so that the sensor workpiece 11 of different product structures can be bent into the required angle by replacing different molds.

[0040] By setting up a processing device, the sensor workpiece 11 is sheared, and the extension and contraction of the piston rod of the shearing hydraulic cylinder 4 drives the shearing upper mold 41 to rise and fall in the sliding plug-in shearing lower mold 42, so that the sensor workpiece 11 is sheared by the tool on the shearing upper mold 41. The annular protrusion fixedly installed on the inner wall of the groove of the shearing upper mold 41 is made of rubber, which fixes the part of the sensor workpiece 11 that needs to be bent. The extension and contraction of the piston rod of the bending hydraulic cylinder 5 drives the bending upper mold 51 to rise and fall in the sliding plug-in bending lower mold 52. The extension and contraction of the piston rod of the limit hydraulic cylinder 6 drives the limit block 61 fixedly installed by bolts, which is fixed on the sliding pin. The lower bending mold 52 and the upper bending mold 51 are raised and lowered in the grooves to cooperate with the upper bending mold 51 to control the bending process. The piston rod of the bending hydraulic cylinder 7 is extended and retracted to drive the upper bending mold 71 to rise and fall in the sliding and plugged lower bending mold 72. At the same time, the upper bending mold 71 is slidably plugged with the movable frame 31 to limit its position so that the sensor workpiece 11 is bent into the required angle, which solves the technical problem that when the sensor is sheared and bent, all operations are completed at one workstation, which will lead to reduced efficiency in complex processing or large-scale production, and each operation needs to be completed manually or mechanically, thereby increasing the overall processing time.

[0041] Working principle: When the sensor workpiece 11 needs to be sheared, the staff slides the sensor workpiece 11 to the specified position through the groove design on the mobile frame 31, starts the motor 2, drives the synchronous belt 21 to run, and drives the mobile frame 31 fixedly installed therewith to move on the slidingly connected guide rail 3. The built-in sensor of the mobile frame 31 confirms the position of the workpiece. When it is in the position where it can be sheared, the shear hydraulic cylinder 4 is started. The extension of its piston rod drives the shear upper mold 41 fixedly installed therewith to descend in the shear lower mold 42 that is slidably disassembled, and the sensor workpiece 11 is sheared. At the same time, the rubber bumps provided on the shear upper mold 41 fix the required shearing position to improve the shearing accuracy.

[0042] When the sensor workpiece 11 needs to be bent, the movable frame 31 drives the sensor workpiece 11 to move. When the sensor senses that the sensor workpiece 11 moves into the mold for bending, the bending hydraulic cylinder 5 and the limiting hydraulic cylinder 6 are started at the same time. The piston rod of the bending hydraulic cylinder 5 extends to drive the bending upper mold 51 fixed thereto to descend in the slidingly plugged bending lower mold 52, while the piston rod of the limiting hydraulic cylinder 6 extends to drive the limiting block 61 fixed thereto by bolts to rise in the slidingly plugged bending lower mold 52 until the limiting block 61 is slidably plugged into the bending upper mold 51. The two cooperate with each other to achieve the bending of the sensor workpiece 11.

[0043] When the sensor workpiece 11 needs to be bent into the required angle, the movable frame 31 drives the sensor workpiece 11 to move. When the sensor senses that it has moved into the mold that can bend it into the required angle, the bending hydraulic cylinder 7 is started, and the extension of its piston rod drives the upper bending mold 71 fixed to it to descend in the slidingly inserted lower bending mold. When the upper bending mold 71 is slidably inserted into the groove on the movable frame 31, the cooperation of the two can bend the sensor workpiece 11 into the required angle.

[0044] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A three-station shearing and bending tool, comprising a station table (1) and a sensor workpiece (11), characterized in that: The outer surface of the workstation (1) is provided with a moving device, the moving device comprising a moving frame (31), and the movement of the moving frame (31) drives the sensor workpiece (11) to move synchronously; The outer surface of the workstation (1) is provided with a processing device, and the processing device comprises a shearing upper mold (41), and the movement of the shearing upper mold (41) shears the sensor workpiece (11).

2. A three-station shearing and bending tool according to claim 1, characterized in that: The moving device further comprises a motor (2), the motor (2) being fixedly mounted on the outer surface of the work platform (1), and the output shaft of the motor (2) and the outer surface of the work platform (1) being rotatably connected to a synchronous belt (21) via a synchronous wheel.

3. The three-station shearing and bending tool according to claim 2, characterized in that: A guide rail (3) is fixedly mounted on the upper surface of the workstation (1); the outer surface of the guide rail (3) is slidably connected to the inner wall of the groove of the movable frame (31); and the inner wall of the groove of the movable frame (31) is fixedly mounted to the outer surface of the synchronous belt (21).

4. The three-station shearing and bending tool according to claim 3, characterized in that: The processing device also includes a shearing hydraulic cylinder (4), which is fixedly installed on the outer surface of the workbench (1), and one end of the piston rod of the shearing hydraulic cylinder (4) is fixedly installed on the upper surface of the shearing upper mold (41). The upper surface of the workbench (1) is fixedly installed with a shearing lower mold (42) by bolts, and the shearing upper mold (41) is slidably inserted into the inner wall of the groove of the shearing lower mold (42).

5. The three-station shearing and bending tool according to claim 4, characterized in that: A bending hydraulic cylinder (5) is fixedly mounted on the outer surface of the work station (1), a bending upper mold (51) is fixedly mounted on one end of the piston rod of the bending hydraulic cylinder (5), a bending lower mold (52) is fixedly mounted on the upper surface of the work station (1) by means of bolts, and the bending upper mold (51) is slidably inserted into the inner wall of the groove of the bending lower mold (52).

6. The three-station shearing and bending tool according to claim 5, characterized in that: A limiting hydraulic cylinder (6) is fixedly installed on the outer surface of the workstation (1), and a limiting block (61) is fixedly installed on one end of the piston rod of the limiting hydraulic cylinder (6) by means of bolts. The outer surface of the limiting block (61) is slidably plugged into the inner wall of the groove of the upper bending mold (51) and the inner wall of the groove of the lower bending mold (52).

7. The three-station shearing and bending tool according to claim 6, characterized in that: A bending angle hydraulic cylinder (7) is fixedly mounted on the outer surface of the work station (1), an upper bending angle mold (71) is fixedly mounted on one end of the piston rod of the bending angle hydraulic cylinder (7), the outer surface of the upper bending angle mold (71) is slidably plugged into the inner wall of the groove of the movable frame (31), and a lower bending angle mold (72) is fixedly mounted on the upper surface of the work station (1) by bolts, and the upper bending angle mold (71) is slidably plugged into the inner wall of the groove of the lower bending angle mold (72).

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