Automatic welding production line for power battery

Abstract

The invention discloses an automatic welding production line for power batteries. The automatic welding production line comprises a first welding station, a second welding station and an automatic grabbing and transferring device. Each of the first welding station and the second welding station comprises an arc welding chamber, an arc welding robot, a first linear conveying device, a positioning bearing seat and an arc welding clamp, the arc welding clamps are used for clamping workpieces to be clamped, the arc welding clamps are mounted on the positioning bearing seats, and the positioning bearing seats are mounted on the first linear conveying devices; the output end of the first linear conveying device is connected with the positioning bearing seat; a first welding station is arranged on one side of the automatic grabbing and transferring device, and a second welding station is arranged on the other side of the automatic grabbing and transferring device. The power battery automatic welding production line solves the problem that in the prior art, the production efficiency is reduced due to the fact that an arc welding clamp is manually transferred.

Description

Technical Field

[0001] The present invention relates to the field of power battery production, and in particular to an automated welding production line for power batteries. Background Art

[0002] like Figure 7 As shown, there are many components in a power battery, and each component needs to be clamped before welding. These components are called "workpieces to be clamped" during welding. The workpiece to be clamped 7 includes a pointed piece 71, a triangular block 72, a corner block 73, and an extended side block 74. Triangular block 72 is a triangular structure, with the pointed piece 71 welded to the top corner of triangular block 72. A corner of triangular block 72 extends to form corner block 73. The pointed piece 71, triangular block 72, and corner block 73 are all on the same plane. The bottom edge of triangular block 72 extends to form extended side block 74, which connects to triangular block 72 and extends downward.

[0003] In the prior art, the automated welding production line for power batteries includes: an arc welding chamber, an arc welding robot, a first linear conveying device, a positioning support seat, and an arc welding fixture. The arc welding fixture is used to clamp the workpiece to be clamped. The arc welding fixture is installed on the positioning support seat. The positioning support seat is installed on the first linear conveying device, and the output end of the first linear conveying device is connected to the positioning support seat. The first linear conveying device extends into the arc welding chamber. An arc welding robot is installed in the arc welding chamber. The arc welding robot is used to perform arc welding on the workpiece to be clamped on the positioning support seat.

[0004] Although arc welding can be performed on the clamped workpiece, there are still disadvantages: since the arc welding fixture is heavy, the arc welding fixture needs to be manually transferred after each welding work is completed, resulting in reduced production efficiency. Summary of the Invention

[0005] The present invention aims to provide an automated welding production line for power batteries, which solves the problem of reduced production efficiency caused by manual transfer of arc welding fixtures in the prior art.

[0006] To achieve the above object, the present invention adopts the following technical solutions:

[0007] The present invention discloses an automated welding production line for power batteries, comprising: a first welding station, a second welding station, and an automatic gripping and transferring device; the first welding station and the second welding station both comprise: an arc welding chamber, an arc welding robot, a first linear conveying device, a positioning bearing seat, and an arc welding fixture, the arc welding fixture being used to clamp a workpiece to be clamped, the arc welding fixture being mounted on the positioning bearing seat, the positioning bearing seat being mounted on the first linear conveying device, and the output end of the first linear conveying device being connected to the positioning bearing seat, the first linear conveying device extending into the arc welding chamber, the arc welding robot being mounted in the arc welding chamber, the arc welding robot being used to perform arc welding on the positioning bearing seat to be clamped; the first welding station is arranged on one side of the automatic gripping and transferring device, and the second welding station is arranged on the other side of the automatic gripping and transferring device.

[0008] Preferably, the automatic grasping and transferring device includes: a second linear conveying device, a mounting seat and a grasping and transferring robot. The second linear conveying device is arranged parallel to the first linear conveying device. The mounting seat is installed on the second linear conveying device. The output end of the second linear conveying device is connected to the mounting seat. The grasping and transferring robot is installed on the mounting seat. The grasping and transferring robot is used to clamp and transfer the arc welding fixture.

[0009] Preferably, there are two pairs of first linear conveying devices, positioning bearing seats and arc welding clamps, and the two pairs of first linear conveying devices, positioning bearing seats and arc welding clamps are symmetrically arranged about the center line of the arc welding chamber.

[0010] Preferably, a buffer workstation is installed beside the automatic grabbing and transferring device, and the buffer workstation is used to buffer the arc welding fixture.

[0011] Preferably, the arc welding fixture includes: a mounting platform, a support mechanism, a first side pressure device, a second side pressure device, a corner pushing device, a support pushing device and an end support device, the mounting platform is protruded with a support mechanism, the support mechanism is located in a workpiece clamping area, the workpiece to be clamped is placed on the support mechanism, the first side pressure device, the second side pressure device, the corner pushing device and the support pushing device are all installed on the mounting platform, the first side pressure device, the second side pressure device, the corner pushing device and the support pushing device surround the support mechanism; the end support device supports the corner of the triangular block in the workpiece to be clamped away from the corner block from the side, the output end of the corner pushing device is pressed on the turning point formed by the connection between the corner block and the triangular block in the workpiece to be clamped, the first side pressure device and the second side pressure device are both used to press the extended edge block in the workpiece to be clamped onto the support mechanism, the support pushing device supports the pointed piece in the workpiece to be clamped, and the support pushing device is used to press the pointed piece on the top corner of the triangular block in the workpiece to be clamped from the side.

[0012] Preferably, the first side pressure device includes: a downward pressing mechanism, a first rotating cylinder and a first positioning support seat. The rotating cylinder is installed on the mounting platform. The output end of the first rotating cylinder is connected to the downward pressing mechanism. The first positioning support seat is installed on the outer shell of the first rotating cylinder. The first positioning support seat is for the downward pressing mechanism to be placed.

[0013] Preferably, the pressing mechanism includes: a pressing seat and a pressing block, the pressing seat is connected to the output end of the first rotary cylinder, the pressing seat can be flipped relative to the outer shell of the first rotary cylinder, the pressing seat is connected to the pressing block near the extended edge block in the workpiece to be clamped, and the pressing block cooperates with the supporting mechanism to clamp the extended edge block in the workpiece to be clamped.

[0014] Preferably, the corner pushing device includes: a first pushing cylinder, a sliding seat, a pushing arm and a base, the first pushing cylinder is installed on the base, the sliding seat is installed on the output end of the first pushing cylinder, the sliding seat is fixed to the pushing arm, and the pushing arm presses the turning point formed by the connection between the corner block and the triangular block in the workpiece to be clamped.

[0015] Preferably, the second side pressure device includes: a machine base, a second rotating cylinder, a second positioning support seat and a clamping mechanism. The machine base is installed on the mounting table. A second positioning support seat is fixed to the machine base on the side close to the extended edge block of the workpiece to be clamped. A second rotating cylinder is installed on the machine base. The output end of the second rotating cylinder is connected to the clamping mechanism. The clamping mechanism cooperates with the support mechanism to clamp the extended edge block of the workpiece to be clamped.

[0016] Preferably, the clamping mechanism includes: a flip frame, an intermediate frame and a clamping block, the flip frame is connected to the output end of the second rotary cylinder, the flip frame is fixed to one end of the L-shaped intermediate frame, and the clamping block is installed on the other end of the intermediate frame. The clamping block cooperates with the supporting mechanism to clamp the extended edge block in the workpiece to be clamped.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] In this application, an automatic grabbing and transferring device is provided to realize automatic grabbing and releasing of the arc welding fixture.

[0019] Other advantages, objectives and features of the present invention will be reflected in part from the following description and will be understood by those skilled in the art through study and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a top view of the automated welding production line for power batteries.

[0021] Figure 2 Schematic diagram of arc welding fixture.

[0022] Figure 3 Schematic diagram of the first side pressure device.

[0023] Figure 4 Schematic diagram of the second side pressure device.

[0024] Figure 5 Schematic diagram of the corner pushing device.

[0025] Figure 6 Schematic diagram of the support and pushing device.

[0026] Figure 7 Schematic diagram of the workpiece to be clamped.

[0027] Figure 1: Mounting table 1, first side pressure device 2, pressing mechanism 21, pressing seat 211, pressing block 212, first rotary cylinder 22, first positioning support seat 23, second side pressure device 3, machine base 31, second rotary cylinder 32, second positioning support seat 33, clamping mechanism 34, flip frame 341, intermediate frame 342, clamping block 343, corner pushing device 4, first pushing cylinder 41, sliding seat 42, pushing arm 43, base 44, support pushing Device 5, fixed seat 51, second pushing cylinder 52, support platform 53, pushing block 54, end support device 6, workpiece to be clamped 7, pointed piece 71, triangular block 72, corner block 73, extended edge block 74, first welding station 81, arc welding chamber 811, first linear conveying device 812, positioning bearing seat 813, second welding station 82, automatic grasping and transferring device 83, second linear conveying device 831, mounting seat 832, grasping and transferring robot 833. DETAILED DESCRIPTION

[0028] In order to make the technical means, creative features, objectives and functions achieved by the present invention clearer and easier to understand, the present invention is further explained below with reference to the accompanying drawings and specific implementation methods.

[0029] like Figure 1 As shown, the present invention discloses an automated welding production line for power batteries, comprising: a first welding station 81, a second welding station 82, and an automatic gripping and transferring device 83; the first welding station 81 and the second welding station 82 both comprise: an arc welding chamber 811, an arc welding robot (not shown), a first linear conveying device 812, a positioning bearing seat 813, and an arc welding fixture, the arc welding fixture being used to clamp a workpiece 7 to be clamped, the arc welding fixture being mounted on the positioning bearing seat 813, the positioning bearing seat 813 being mounted on the first linear conveying device 812, and the output end of the first linear conveying device 812 being connected to the positioning bearing seat 813, the first linear conveying device 812 extending into the arc welding chamber 811, an arc welding robot being mounted in the arc welding chamber 811, the arc welding robot being used to perform arc welding on the positioning bearing seat 813 to be clamped; the first welding station 81 is arranged on one side of the automatic gripping and transferring device 83, and the second welding station 82 is arranged on the other side of the automatic gripping and transferring device 83.

[0030] In the present application, the automatic grabbing and transferring device 83 includes: a second linear conveying device 831, a mounting seat 832, and a grabbing and transferring robot 833. The second linear conveying device 831 is arranged parallel to the first linear conveying device 812. The mounting seat 832 is installed on the second linear conveying device 831. The output end of the second linear conveying device 831 is connected to the mounting seat 832. The grabbing and transferring robot 833 is installed on the mounting seat 832. The grabbing and transferring robot 833 is used to clamp and transfer the arc welding fixture. The second linear conveying device 831 drives the grabbing and transferring robot 833, and the grabbing and transferring robot 833 grabs the arc welding fixture, thereby realizing automatic grabbing of the arc welding fixture.

[0031] In the present application, there are two pairs of first linear conveying devices 812, positioning bearing seats 813 and arc welding clamps, and the two pairs of first linear conveying devices 812, positioning bearing seats 813 and arc welding clamps are symmetrically arranged with respect to the center line of the arc welding chamber 811. Since manual operation is required by the operator when clamping the workpiece to be clamped, the present application provides that the first welding station 81 and the second welding station 82 each have two pairs of first linear conveying devices 812, positioning bearing seats 813 and arc welding clamps. When one arc welding clamp is clamping the workpiece to be clamped, the other workpiece to be clamped is transported to the arc welding chamber 811 by the other pair of first linear conveying devices 812, positioning bearing seats 813 and arc welding clamps, thereby improving production efficiency and meeting production requirements.

[0032] Preferably, a buffer workstation is installed beside the automatic grabbing and transferring device 83, and the buffer workstation is used to buffer the arc welding fixture. It is convenient to buffer the arc welding fixture.

[0033] like Figures 2 to 7As shown, in the present application, the arc welding fixture includes: a mounting table 1, a supporting mechanism (not shown in the figure), a first side pressure device 2, a second side pressure device 3, a corner pushing device 4, a supporting pushing device 5 and an end supporting device 6. A supporting mechanism (not shown in the figure) is protruded from the mounting table 1. The position of the supporting mechanism (not shown in the figure) is the workpiece clamping area. The workpiece 7 to be clamped is placed on the supporting mechanism (not shown in the figure). The first side pressure device 2, the second side pressure device 3, the corner pushing device 4 and the supporting pushing device 5 are all installed on the mounting table 1. The first side pressure device 2, the second side pressure device 3, the corner pushing device 4 and the supporting pushing device 5 The pressing device 5 surrounds the supporting mechanism (not shown in the figure); the end supporting device 6 supports the corner of the triangular block 72 in the workpiece to be clamped 7 from the side away from the corner of the corner block 73, and the output end of the corner pushing device 4 is pressed on the turning point formed by the connection between the corner block 73 and the triangular block 72 in the workpiece to be clamped 7. The first side pressing device 2 and the second side pressing device 3 are both used to press the extended edge block 74 in the workpiece to be clamped 7 onto the supporting mechanism (not shown in the figure), and the supporting pushing device 5 supports the pointed piece 71 in the workpiece to be clamped, and the supporting pushing device 5 is used to press the pointed piece 71 onto the top corner of the triangular block 72 in the workpiece to be clamped from the side. When the workpiece 7 to be clamped is placed on the supporting mechanism (not shown in the figure), the first side pressure device 2 and the second side pressure device 3 press the extended edge block 74 onto the supporting mechanism (not shown in the figure) from both sides respectively; the output end of the corner pushing device 4 is precisely pressed on the turning point where the corner block 73 and the triangular block 72 are connected; the supporting pushing device 5 supports the pointed piece 71 and presses it on the top corner of the triangular block 72 from the side; the end supporting device 6 supports the triangular block 72 from the side away from the corner of the corner block 73, so as to achieve all-round and stable clamping of the power battery workpiece.

[0034] like Figure 3 As shown, the first side pressure device 2 includes: a downward pressure mechanism 21, a first rotary cylinder 22 and a first positioning support seat 23. The rotary cylinder is installed on the mounting platform 1. The output end of the first rotary cylinder 22 is connected to the downward pressure mechanism 21. The first positioning support seat 23 is installed on the outer shell of the first rotary cylinder 22. The first positioning support seat 23 is for the downward pressure mechanism 21 to be placed. When the first rotary cylinder 22 is started, it drives the downward pressure mechanism 21 connected to its output end to flip until the downward pressure block 212 in the downward pressure mechanism 21 cooperates with the support mechanism (not shown in the figure) to press the extended edge block 74 of the workpiece 7 to be clamped from the side, completing the lateral positioning and clamping of the workpiece. At the same time, the downward pressure mechanism 21 can be embedded in the first positioning support seat 23 to ensure the stability of the structure of the first side pressure device 2.

[0035] The pressing mechanism 21 includes a pressing seat 211 and a pressing block 212. The pressing seat 211 is connected to the output end of the first rotary cylinder 22. The pressing seat 211 can be rotated relative to the outer shell of the first rotary cylinder 22. The pressing block 212 is connected to the pressing seat 211 near the extended edge block 74 of the workpiece to be clamped. The pressing block 212 cooperates with a supporting mechanism (not shown) to clamp the extended edge block 74 of the workpiece to be clamped. When the first rotary cylinder 22 is started, its output end drives the pressing seat 211 to rotate, and the pressing block 212 moves relative to the outer shell of the first rotary cylinder 22, causing the pressing block 212 connected to the side of the pressing seat 211 near the extended edge block 74 of the workpiece to be clamped to rotate accordingly. The pressing block 212 cooperates with the supporting mechanism (not shown) to clamp the extended edge block 74 of the workpiece to be clamped from the side, thereby achieving lateral positioning and fixation of the workpiece to be clamped.

[0036] like Figure 5 As shown, the corner pressing device 4 includes: a first pressing cylinder 41, a sliding seat 42, a pressing arm 43, and a base 44. The first pressing cylinder 41 is mounted on the base 44. The sliding seat 42 is mounted on the output end of the first pressing cylinder 41. The pressing arm 43 is fixed to the sliding seat 42. The pressing arm 43 presses against the bend formed at the connection between the corner block 73 and the triangular block 72 in the workpiece to be clamped 7. When the first pressing cylinder 41 is activated, its output end pushes the sliding seat 42 to move along the base 44, and the pressing arm 43 fixed to the sliding seat 42 moves accordingly until the pressing arm 43 accurately presses against the bend formed at the connection between the corner block 73 and the triangular block 72 in the workpiece to be clamped 7, thereby achieving stable pressure on the end of the workpiece.

[0037] like Figure 4 As shown, the second side pressure device 3 includes: a machine base 31, a second rotary cylinder 32, a second positioning support seat 33 and a clamping mechanism 34. The machine base 31 is installed on the mounting table 1. The second positioning support seat 33 is fixed to the side of the machine base 31 close to the extended edge block 74 of the workpiece 7 to be clamped. The second rotary cylinder 32 is installed on the machine base 31. The output end of the second rotary cylinder 32 is connected to the clamping mechanism 34. The clamping mechanism 34 cooperates with the support mechanism (not shown in the figure) to clamp the extended edge block 74 of the workpiece 7 to be clamped. When the second rotary cylinder 32 is started, its output end drives the clamping mechanism 34 to rotate around the machine base 31. The clamping mechanism 34 gradually approaches the extended edge block 74 of the workpiece 7 to be clamped, and finally cooperates with the support mechanism (not shown in the figure) to press the extended edge block 74.

[0038] The clamping mechanism 34 comprises a tilting frame 341, an intermediate frame 342, and a clamping block 343. The tilting frame 341 is connected to the output end of the second rotary cylinder 32 and fixed to one end of the L-shaped intermediate frame 342. The clamping block 343 is mounted on the other end of the intermediate frame 342. The clamping block 343 cooperates with a support mechanism (not shown) to clamp the extended edge block 74 of the workpiece 7 to be clamped. The output end of the second rotary cylinder 32 drives the tilting frame 341 to rotate about the machine base 31. The tilting frame 341, via the fixed L-shaped intermediate frame 342, drives the clamping block 343 to tilt to the vicinity of the extended edge block 74 of the workpiece 7 to be clamped. The clamping block 343 continues to rotate and cooperates with the support mechanism (not shown) to eventually compress the extended edge block 74 from the side.

[0039] like Figure 6 As shown, the supporting and pushing device 5 includes: a fixed base 51, a second pushing cylinder 52, a support platform 53 and a pushing block 54. The fixed base 51 is installed on the mounting platform 1, and the second pushing cylinder 52 is installed on the fixed base 51. The support platform 53 is installed on the side of the fixed base 51 close to the triangular block 72 in the workpiece 7 to be clamped. The support platform 53 is used to support the pointed piece 71 in the workpiece 7 to be clamped. The output end of the second pushing cylinder 52 is connected to the pushing block 54. The pushing block 54 is used to press the pointed piece 71 in the workpiece 7 to be clamped on the top corner of the triangular block 72. When the second pushing cylinder 52 is started, it drives the pushing block 54 to press the pointed piece 71 in the workpiece 7 to be clamped on the top corner of the triangular block 72. At the same time, the support platform 53 on the side of the fixed base 51 close to the triangular block 72 supports the pointed piece 71, so as to achieve stable support and compression of the pointed piece 71.

[0040] The end support device 6 is a blocking block, which is in close contact with the side of the triangular block 72 away from the corner block 73. When the corner pushing device 4 squeezes the workpiece 7 to be clamped, the blocking block supports the end of the triangular block 72.

[0041] When the first and second side pressure devices 71 are pressed against the workpiece 7, the first and second side pressure devices 72 are pressed against the workpiece 7, and the second and second side pressure devices 73 are pressed against the workpiece 7. When the first and second side pressure devices 71 are pressed against the workpiece 7, the first and second side pressure devices 72 are pressed against the workpiece 7, and the second and second side pressure devices 73 are pressed against the workpiece 7.

[0042] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not limiting. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the purpose and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. Power battery automated welding production line, characterized by: include: The first welding station, the second welding station, and the automatic grabbing and transferring device; The first welding station and the second welding station both include: an arc welding chamber, an arc welding robot, a first linear conveying device, a positioning bearing seat, and an arc welding fixture, the arc welding fixture is used to clamp the workpiece to be clamped, the arc welding fixture is installed on the positioning bearing seat, the positioning bearing seat is installed on the first linear conveying device, and the output end of the first linear conveying device is connected to the positioning bearing seat, the first linear conveying device extends into the arc welding chamber, an arc welding robot is installed in the arc welding chamber, and the arc welding robot is used to perform arc welding on the positioning bearing seat to clamp the workpiece; A first welding station is arranged on one side of the automatic grabbing and transferring device, and a second welding station is arranged on the other side of the automatic grabbing and transferring device.

2. The power battery automated welding production line according to claim 1, characterized in that: The automatic grasping and transferring device includes: a second linear conveying device, a mounting seat and a grasping and transferring robot. The second linear conveying device is arranged parallel to the first linear conveying device. The second linear conveying device is installed with a mounting seat. The output end of the second linear conveying device is connected to the mounting seat. The grasping and transferring robot is installed on the mounting seat. The grasping and transferring robot is used to clamp and transfer the arc welding fixture.

3. The power battery automated welding production line according to claim 2, characterized in that: There are two pairs of first linear conveying devices, positioning bearing seats and arc welding clamps, and the two pairs of first linear conveying devices, positioning bearing seats and arc welding clamps are symmetrically arranged about the center line of the arc welding chamber.

4. The power battery automated welding production line according to claim 3, characterized in that: A cache workstation is installed next to the automatic grabbing and transferring device, and the cache workstation is used to cache arc welding fixtures.

5. The power battery automated welding production line according to any one of claims 1 to 4, characterized in that: The arc welding fixture includes: a mounting platform, a supporting mechanism, a first side pressing device, a second side pressing device, a corner pushing device, a supporting pushing device and an end supporting device. A support mechanism is protruded from the mounting table, and the position of the support mechanism is the workpiece clamping area. The workpiece to be clamped is placed on the support mechanism. The first side pressure device, the second side pressure device, the corner pushing device and the support pushing device are all installed on the mounting table. The first side pressure device, the second side pressure device, the corner pushing device and the support pushing device surround the support mechanism. The end support device supports the corner of the triangular block in the workpiece to be clamped away from the corner block from the side, and the output end of the corner pushing device is pressed on the turning point formed by the connection between the corner block and the triangular block in the workpiece to be clamped. The first side pressing device and the second side pressing device are both used to press the extended edge block in the workpiece to be clamped onto the supporting mechanism. The support pushing device supports the pointed piece in the workpiece to be clamped, and the support pushing device is used to press the pointed piece onto the top corner of the triangular block in the workpiece to be clamped from the side.

6. The power battery automated welding production line according to claim 5, characterized in that: The first side pressure device includes: a downward pressing mechanism, a first rotating cylinder and a first positioning support seat. The rotating cylinder is installed on the mounting platform. The output end of the first rotating cylinder is connected to the downward pressing mechanism. The first positioning support seat is installed on the outer shell of the first rotating cylinder. The first positioning support seat is for the downward pressing mechanism to be placed.

7. The power battery automated welding production line according to claim 6, characterized in that: The pressing mechanism includes: a pressing seat and a pressing block. The pressing seat is connected to the output end of the first rotary cylinder. The pressing seat can be flipped relative to the outer shell of the first rotary cylinder. The pressing seat is connected to the pressing block near the extended edge block in the workpiece to be clamped. The pressing block cooperates with the supporting mechanism to clamp the extended edge block in the workpiece to be clamped.

8. The power battery automated welding production line according to claim 7, characterized in that: The corner pushing device includes: a first pushing cylinder, a sliding seat, a pushing arm and a base. The first pushing cylinder is installed on the base. The sliding seat is installed on the output end of the first pushing cylinder. The sliding seat is fixed to the pushing arm. The pushing arm presses the turning point formed by the connection between the corner block and the triangular block in the workpiece to be clamped.

9. The power battery automated welding production line according to claim 8, characterized in that: The second side pressure device includes: a machine base, a second rotating cylinder, a second positioning support seat and a clamping mechanism. The machine base is installed on the mounting table. The second positioning support seat is fixed to the side of the machine base close to the extended edge block of the workpiece to be clamped. The second rotating cylinder is installed on the machine base. The output end of the second rotating cylinder is connected to the clamping mechanism. The clamping mechanism and the support mechanism cooperate to clamp the extended edge block of the workpiece to be clamped.

10. The power battery automated welding production line according to claim 9, characterized in that: The clamping mechanism includes: a turning frame, an intermediate frame and a clamping block. The turning frame is connected to the output end of the second rotary cylinder, the turning frame is fixed to one end of the L-shaped intermediate frame, and the clamping block is installed on the other end of the intermediate frame. The clamping block cooperates with the supporting mechanism to clamp the extended edge block of the workpiece to be clamped.

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