A quick positioning steel structure processing fixture

Abstract

This application relates to the field of steel structure processing technology, specifically disclosing a rapid positioning steel structure processing fixture, including a processing platform and a mounting frame. The mounting frame is fixedly installed on the processing platform, and a first hydraulic cylinder is fixedly installed on the processing platform. A fixed plate is provided at the telescopic end of the first hydraulic cylinder. Two sets of first hydraulic cylinders and fixed plates are symmetrically arranged. A placement plate is slidably installed at the end of the mounting frame. A positioning component is provided on the mounting frame, and a clamping mechanism is provided on the placement plate. When the steel structure is placed on the processing platform, the first hydraulic cylinder is activated to move the fixed plate to clamp the steel structure, making the steel structure easy to clamp. The positioning component in this application can lift and move the placement plate on the mounting frame according to the shape of the steel structure to facilitate subsequent stable clamping of the steel structure. The clamping mechanism in this application can stably clamp irregular steel structures, thereby realizing clamping adjustment and stable clamping according to the shape of the steel structure.

Description

Technical Field

[0001] This application relates to the field of steel structure processing technology, and in particular to a quick positioning steel structure processing fixture. Background Technology

[0002] Steel structures are load-bearing building structures made primarily of steel, widely used in industrial plants, high-rise buildings, bridges, and large public facilities. Steel structure processing fixtures are key equipment in the manufacturing process of steel structural components. They are mainly used to fix the workpiece position during processes such as cutting, welding, drilling, and assembly, ensuring processing accuracy and operational safety. These fixtures are commonly used in steel structure manufacturing workshops, heavy machinery processing plants, and prefabrication yards, using mechanical or hydraulic methods to clamp and position steel structural components of different cross-sectional forms, such as H-beams, box beams, and steel pipes, thereby meeting the needs of high-precision mass production.

[0003] In existing technologies, steel structure processing fixtures typically consist of a base, clamping plates, a lead screw transmission mechanism, and a locking device. The base is fixed to the processing platform with bolts, providing overall stability. The clamping plates are connected to the base guide rail via sliders, and are moved laterally by a lead screw driven manually or by a motor, allowing for adjustment of the clamping distance. The locking device often employs an eccentric wheel, hydraulic cylinder, or bolt pressure plate structure, applying continuous pressure after the clamping plates contact the workpiece. All components are mechanically linked to form a rigid clamping system, ensuring that the steel structure resists displacement caused by cutting forces and vibrations during processing.

[0004] Regarding the aforementioned technologies, since the clamping plates can only clamp and fix steel structures of a single shape, they may not be able to clamp and fix curved or irregular steel structures when processing is required. Furthermore, since the clamping plates can only move in one direction, they cannot adjust the clamping according to the shape of the steel structure, which may lead to unstable clamping and affect subsequent steel structure processing. Therefore, improvements are made to address these issues. Utility Model Content

[0005] In order to stably clamp irregular steel structures and adjust the clamping according to the shape of the steel structure, this application provides a quick positioning steel structure processing fixture.

[0006] The rapid positioning steel structure processing fixture provided in this application adopts the following technical solution: A quick-positioning steel structure processing fixture includes a processing platform and a mounting frame. The mounting frame is fixedly installed on the processing platform. A first hydraulic cylinder is fixedly installed on the processing platform. A fixing plate is provided at the telescopic end of the first hydraulic cylinder. Two sets of the first hydraulic cylinder and the fixing plate are symmetrically arranged. A placement plate is slidably installed at the end of the mounting frame away from the processing platform. A positioning component for quickly positioning the placement plate is provided on the mounting frame. A clamping mechanism for clamping irregular steel structures is provided on the placement plate.

[0007] By adopting the above technical solution, the steel structure to be processed is placed on the processing platform, and the first hydraulic cylinder is activated. The telescopic end of the first hydraulic cylinder drives the fixed plate to move, thereby clamping and adjusting the position of the steel structure, so that the steel structure is in a state that is easy to clamp. The positioning component in this application can lift and move the placement plate on the mounting frame according to the shape of the steel structure, so as to facilitate the subsequent stable clamping of the steel structure. After the adjustment is completed, the clamping mechanism in this application can stably clamp the irregularly shaped steel structure, thereby realizing the clamping adjustment and stable clamping according to the shape of the steel structure. After clamping is completed, the first hydraulic cylinder is activated, causing the first hydraulic cylinder to drive the fixed plate to move and release the clamping of the steel structure.

[0008] Optionally, the positioning assembly includes a second hydraulic cylinder, a lifting rod, a drive motor, a gear, and a geared rail. The lifting rod is vertically mounted on the mounting frame. The second hydraulic cylinder is fixedly mounted on the processing platform. The telescopic end of the second hydraulic cylinder is fixedly connected to the lifting rod. The drive motor is mounted on the placement plate. The gear is mounted on the output end of the drive motor. The geared rail is located at the end of the lifting rod away from the mounting frame and meshes with the gear. The placement plate is slidably mounted at the end of the lifting rod away from the mounting frame.

[0009] By adopting the above technical solution, after the fixing plate clamps the steel structure and the position is adjusted, the drive motor is started. The output end of the drive motor drives the gear to rotate. Since the gear and the toothed rail mesh with each other, the placement plate is slidably set at the end of the lifting rod away from the mounting frame. Therefore, the placement plate can move on the lifting rod. After moving to a suitable clamping position, the second hydraulic cylinder is started. The extension end of the hydraulic cylinder can drive the lifting rod to descend until it descends to a suitable clamping position, thereby realizing rapid clamping and positioning according to the shape of the steel structure and improving the clamping accuracy of the steel structure.

[0010] Optionally, the clamping mechanism includes a first electric telescopic rod, a connecting plate, a connecting rod, a clamping rod, an elastic telescopic rod, and an adjusting component. The first electric telescopic rod is rotatably disposed at the lower end of the placement plate, and the connecting plate is disposed on the first electric telescopic rod. Two sets of connecting rods are provided, each with one end rotatably disposed on the telescopic end of the first electric telescopic rod. Two sets of clamping rods are provided, each rotatably disposed on the connecting plate. One end of each set of clamping rods is rotatably connected to the other end of the two sets of connecting rods. Multiple sets of elastic telescopic rods are provided, spaced apart on the inner side of the two sets of clamping rods away from the connecting rod. The adjusting component is disposed on the placement plate and is used to adjust the clamping angle of the clamping rods.

[0011] By adopting the above technical solution, after the placement plate is adjusted to a suitable position, the first electric telescopic rod is activated. The telescopic end of the first electric telescopic rod can drive the two sets of connecting rods to rotate outward and move downward. Since the clamping rod is rotatably installed on the connecting plate, the downward movement and outward rotation of the two sets of connecting rods can cause the two sets of clamping rods to rotate inward, thereby achieving clamping of the steel structure. Since multiple sets of elastic telescopic rods are installed at intervals on the inner side of the two sets of clamping rods away from the connecting rods, the multiple sets of elastic telescopic rods can adaptively clamp according to the shape of the steel structure, thereby achieving stable clamping of irregular steel structures and improving the clamping effect. In addition, the multiple sets of elastic telescopic rods can make the clamping pressure evenly distributed, reducing the impact of local stress concentration on the steel structure.

[0012] Optionally, the adjusting component includes a second electric telescopic rod and a placement frame, the placement frame being disposed at the lower end of the placement plate, and the second electric telescopic rod being disposed on the placement frame.

[0013] By adopting the above technical solution, when the angle of the clamping rod is not convenient for clamping the steel structure, the second electric telescopic rod is activated. The telescopic end of the second electric telescopic rod can drive the first electric telescopic rod to move. Since the first electric telescopic rod is rotatably set at the lower end of the placement plate, it can drive the first electric telescopic rod and the clamping rod to rotate, thereby realizing the adjustment of the clamping angle of the clamping rod, and facilitating the clamping of irregular steel structures, thus improving the clamping flexibility.

[0014] Optionally, a third electric telescopic rod is provided on the processing platform, and a cleaning plate is provided at the telescopic end of the third electric telescopic rod. The width of the cleaning plate is the same as the width of the two sets of fixed plates when they are not clamped. A collection box is provided below the processing platform.

[0015] By adopting the above technical solution, the third electric telescopic rod is activated. The telescopic end of the third electric telescopic rod can drive the cleaning plate to move. The movement of the cleaning plate can clean up the debris generated by the processing of steel structure on the processing platform, which can reduce the impact of debris on the subsequent clamping of steel structure by the clamping plate. The debris falling into the collection box can prevent debris from polluting the external environment.

[0016] Optionally, a clamping pad is provided at the end of the elastic telescopic rod away from the clamping rod.

[0017] By adopting the above technical solution, the clamping pads installed at the ends of the elastic telescopic rods away from the clamping rods can prevent mutual wear between the elastic telescopic rods and the steel structure, increase the service life of the elastic telescopic rods, and increase the contact area with the steel structure, thereby improving clamping stability.

[0018] Optionally, a control cabinet is provided on the side wall of the processing platform for coordinating and centrally controlling the operation of the first hydraulic cylinder, the second hydraulic cylinder, the first electric telescopic rod, the second electric telescopic rod, and the third electric telescopic rod.

[0019] By adopting the above technical solution, the control cabinet can coordinate and centrally control the operation of the first hydraulic cylinder, the second hydraulic cylinder, the first electric telescopic rod, the second electric telescopic rod, and the third electric telescopic rod, thereby reducing labor costs and improving production efficiency.

[0020] Optionally, the end of the cleaning plate away from the third electric telescopic rod is provided with a shovel for cleaning residual contaminants on the processing platform.

[0021] By adopting the above technical solution, the shovel installed at the end of the cleaning plate away from the third electric telescopic rod can clean the oil stains and welding slag and other residual contaminants on the surface of the processing platform, thereby improving the cleaning effect and reducing the impact on the subsequent clamping of the steel structure by the clamping plate.

[0022] In summary, this application includes at least one of the following beneficial technical effects: 1. The positioning component in this application can quickly position the placement plate according to the steel structure. After the fixing plate clamps the steel structure and the position is adjusted, the drive motor is started. The output end of the drive motor drives the gear to rotate. Since the gear and the gear rail mesh with each other, the placement plate is slidably set at the end of the lifting rod away from the mounting frame. Therefore, the placement plate can move on the lifting rod. After moving to a suitable clamping position, the second hydraulic cylinder is started. The extension end of the hydraulic cylinder can drive the lifting rod to descend until it descends to a suitable clamping position, thereby realizing quick clamping and positioning according to the shape of the steel structure and improving the clamping accuracy of the steel structure. 2. The clamping mechanism in this application can stably clamp irregular steel structures. After the placement plate is adjusted to a suitable position, the first electric telescopic rod is activated. The telescopic end of the first electric telescopic rod can drive the two sets of connecting rods to rotate outward and move downward. Since the clamping rods are rotatably mounted on the connecting plate, the downward movement and outward rotation of the two sets of connecting rods can cause the two sets of clamping rods to rotate inward, thereby achieving clamping of the steel structure. Since multiple sets of elastic telescopic rods are installed at intervals on the inner side of the two sets of clamping rods away from the connecting rods, the multiple sets of elastic telescopic rods can adaptively clamp according to the shape of the steel structure, thereby achieving stable clamping of irregular steel structures and improving the clamping effect. In addition, the multiple sets of elastic telescopic rods can make the clamping pressure distribution uniform and reduce the impact of local stress concentration on the steel structure. 3. The adjusting component in this application can adjust the clamping angle of the clamping rod. When the second electric telescopic rod is activated, the telescopic end of the second electric telescopic rod can drive the first electric telescopic rod to move. Since the first electric telescopic rod is rotatably set at the lower end of the placement plate, it can drive the first electric telescopic rod and the clamping rod to rotate, thereby realizing the adjustment of the clamping angle of the clamping rod, and facilitating the clamping of irregular steel structures and improving the clamping flexibility. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of the overall structure of an embodiment of this application; Figure 2 This is a partial structural diagram; Figure 3 This is a schematic diagram of another part of the structure; Figure 4 yes Figure 3 An enlarged schematic diagram of part A in the middle.

[0025] Reference numerals: 1. Processing platform; 11. Mounting frame; 12. First hydraulic cylinder; 13. Fixing plate; 14. Placement plate; 2. Positioning assembly; 21. Second hydraulic cylinder; 22. Lifting rod; 23. Drive motor; 24. Gear; 25. Gear rail; 3. Clamping mechanism; 31. First electric telescopic rod; 32. Connecting plate; 33. Connecting rod; 34. Clamping rod; 35. Elastic telescopic rod; 351. Clamping shim; 4. Adjusting component; 41. Second electric telescopic rod; 42. Placement frame; 5. Third electric telescopic rod; 51. Cleaning plate; 511. Shovel bar; 52. Collection box; 6. Control cabinet. Detailed Implementation

[0026] The following is in conjunction with the appendix Figure 1-4 This application will be described in further detail.

[0027] This application discloses a rapid positioning steel structure processing fixture, referring to... Figure 1 , Figure 2 and Figure 3 The system includes a processing platform 1 and a mounting frame 11. The mounting frame 11 is fixedly installed on the processing platform 1. A first hydraulic cylinder 12 is fixedly installed on the processing platform 1. A fixing plate 13 is fixedly installed on the telescopic end of the first hydraulic cylinder 12. Two sets of the first hydraulic cylinder 12 and the fixing plate 13 are symmetrically arranged. A placement plate 14 is slidably installed on the end of the mounting frame 11 away from the processing platform 1. A positioning component 2 is installed on the mounting frame 11. A clamping mechanism 3 is installed on the placement plate 14.

[0028] The first hydraulic cylinder 12 is activated, and its telescopic end moves the fixed plate 13, thereby clamping and adjusting the position of the steel structure to make it easy to clamp. In this embodiment, the positioning component 2 can lift and move the placement plate 14 on the mounting frame 11 according to the shape of the steel structure to facilitate subsequent stable clamping of the steel structure. After adjustment, the clamping mechanism 3 in this embodiment can stably clamp irregularly shaped steel structures, thereby achieving clamping adjustment and stable clamping according to the shape of the steel structure. After clamping, the first hydraulic cylinder 12 is activated, causing the fixed plate 13 to move and release the clamping of the steel structure.

[0029] Reference Figure 1 When the steel structure to be processed is not convenient to be directly clamped and needs to be adjusted in position, the positioning component 2 in this embodiment can be clamped and adjusted according to the shape of the steel structure. It includes a second hydraulic cylinder 21, a lifting rod 22, a drive motor 23, a gear 24 and a toothed rail 25. The lifting rod 22 can be lifted and installed on the mounting frame 11. The second hydraulic cylinder 21 is fixedly installed on the processing platform 1. The telescopic end of the second hydraulic cylinder 21 is fixedly connected to the lifting rod 22. The drive motor 23 is fixedly installed on the placement plate 14. The gear 24 is fixedly connected to the output end of the drive motor 23. The toothed rail 25 is fixedly installed at the end of the lifting rod 22 away from the mounting frame 11 and meshes with the gear 24. The placement plate 14 is slidably installed at the end of the lifting rod 22 away from the mounting frame 11.

[0030] The drive motor 23 is started, and the output end of the drive motor 23 drives the gear 24 to rotate. Since the gear 24 meshes with the gear rail 25, the placement plate 14 is slidably installed on the end of the lifting rod 22 away from the mounting frame 11. Therefore, the placement plate 14 can move on the lifting rod 22. After moving to a suitable clamping position, the second hydraulic cylinder 21 is started. The extension end of the hydraulic cylinder can drive the lifting rod 22 to descend until it descends to a suitable clamping position, thereby realizing rapid clamping and positioning according to the shape of the steel structure and improving the clamping accuracy of the steel structure. In this embodiment, four sets of second hydraulic cylinders 21 and lifting rods 22 are provided. The four sets can improve the stability of the lifting rod 22 and placement plate 14 when they are raised and lowered.

[0031] Reference Figure 3 and Figure 4 When the steel structure to be processed is irregular in shape, the clamping mechanism 3 in this embodiment can stably clamp it. It includes a first electric telescopic rod 31, a connecting plate 32, a connecting rod 33, a clamping rod 34, an elastic telescopic rod 35, and an adjusting component 4. The first electric telescopic rod 31 is rotatably installed on the lower end of the placement plate 14. The connecting plate 32 is fixedly connected to the first electric telescopic rod 31. There are two sets of connecting rods 33, and one end of each set is rotatably installed on the telescopic end of the first electric telescopic rod 31. There are two sets of clamping rods 34, and both sets are rotatably installed on the connecting plate 32. One end of each set of clamping rods 34 is rotatably connected to the other end of each set of connecting rods 33. There are multiple sets of elastic telescopic rods 35, which are spaced apart and installed on the inner side of the end of each set of clamping rods 34 away from the connecting rod 33. The adjusting component 4 is installed on the placement plate 14.

[0032] The first electric telescopic rod 31 is activated. The telescopic end of the first electric telescopic rod 31 drives the two sets of connecting rods 33 to rotate outward and move downward. Since the clamping rod 34 is rotatably mounted on the connecting plate 32, the downward movement and outward rotation of the two sets of connecting rods 33 can cause the two sets of clamping rods 34 to rotate inward, thereby clamping the steel structure. Since multiple sets of elastic telescopic rods 35 are installed at intervals on the inner side of the two sets of clamping rods 34 away from the connecting rods 33, the multiple sets of elastic telescopic rods 35 can adaptively clamp according to the shape of the steel structure, thereby achieving stable clamping of irregular steel structures and improving the clamping effect. In addition, the multiple sets of elastic telescopic rods 35 can make the clamping pressure evenly distributed, reducing the impact of local stress concentration on the steel structure. In this embodiment, the clamping mechanism 3 is provided with two sets. The two sets of clamping mechanisms 3 can clamp irregular steel structures and improve clamping stability.

[0033] Reference Figure 3When clamping the steel structure, there may be situations where the clamping angle is not good and needs to be adjusted. Therefore, the adjustment component 4 in this embodiment includes a second electric telescopic rod 41 and a placement frame 42. The placement frame 42 is fixedly installed on the lower end of the placement plate 14, and the second electric telescopic rod 41 is fixedly installed on the placement frame 42.

[0034] When the angle of the clamping rod 34 is not convenient for clamping the steel structure, the second electric telescopic rod 41 is activated. The telescopic end of the second electric telescopic rod 41 can drive the first electric telescopic rod 31 to move. Since the first electric telescopic rod 31 is rotatably set at the lower end of the placement plate 14, it can drive the first electric telescopic rod 31 and the clamping rod 34 to rotate, thereby realizing the adjustment of the clamping angle of the clamping rod 34, and facilitating the clamping of irregular steel structures, thus improving the clamping flexibility.

[0035] Reference Figure 2 During steel structure processing, debris and other contaminants may be generated. In order to clean up the debris and other contaminants, a third electric telescopic rod 5 is fixedly installed on the processing platform 1 in this embodiment. The telescopic end of the third electric telescopic rod 5 is fixedly connected to a cleaning plate 51, and the width of the cleaning plate 51 is the same as the width of the two sets of fixed plates 13 when they are not clamped. A collection box 52 is installed below the processing platform 1.

[0036] Activate the third electric telescopic rod 5. The telescopic end of the third electric telescopic rod 5 can drive the cleaning plate 51 to move. The movement of the cleaning plate 51 can clean up the debris generated by the processing of the steel structure on the processing platform 1, which can reduce the impact of the debris on the subsequent clamping of the steel structure by the clamping plate. The debris falls into the collection box 52 to prevent the debris from polluting the external environment.

[0037] Reference Figure 4 To prevent wear between the elastic telescopic rod 35 and the steel structure and to increase the service life of the elastic telescopic rod 35, a clamping pad 351 is fixedly installed at the end of the elastic telescopic rod 35 away from the clamping rod 34 in this embodiment. The clamping pad 351 can also increase the contact area with the steel structure, thereby improving the clamping stability. The clamping pad 351 in this embodiment is made of rubber, which is a preferred material in this embodiment. It can also be made of silicone, polyurethane, or other materials.

[0038] Reference Figure 1 and Figure 3 During the steel structure processing, the first hydraulic cylinder 12, the second hydraulic cylinder 21, the first electric telescopic rod 31, the second electric telescopic rod 41 and the third electric telescopic rod 5 need to be coordinated and centrally controlled. Therefore, in this embodiment, a control cabinet 6 is fixedly installed on the side wall of the processing platform 1. The control cabinet 6 can also reduce labor costs and improve production efficiency.

[0039] Reference Figure 2When cleaning the processing platform 1, there may be residual contaminants such as oil stains and welding slag. In order to clean the residual contaminants, the cleaning plate 51 in this embodiment is fixedly connected to a shovel 511 at the end away from the third electric telescopic rod 5. The shovel 511 can clean the residual contaminants such as oil stains and welding slag on the surface of the processing platform 1, thereby improving the cleaning effect and reducing the impact on the subsequent clamping of the steel structure by the clamping plate.

[0040] The implementation principle of a rapid positioning steel structure processing fixture in this application embodiment is as follows: Start the drive motor 23. The output end of the drive motor 23 drives the gear 24 to rotate. Since the gear 24 meshes with the gear rail 25, the placement plate 14 is slidably set on the end of the lifting rod 22 away from the mounting frame 11. Therefore, the placement plate 14 can move on the lifting rod 22. After moving to a suitable clamping position, start the second hydraulic cylinder 21. The extension end of the hydraulic cylinder can drive the lifting rod 22 to descend until it descends to a suitable clamping position, thereby realizing rapid clamping and positioning according to the shape of the steel structure and improving the clamping accuracy of the steel structure. Once the placement plate 14 is adjusted to the appropriate position, the first electric telescopic rod 31 is activated. The telescopic end of the first electric telescopic rod 31 can drive the two sets of connecting rods 33 to rotate outward and move downward. Since the clamping rod 34 is rotatably installed on the connecting plate 32, the downward movement and outward rotation of the two sets of connecting rods 33 can cause the two sets of clamping rods 34 to rotate inward, thereby clamping the steel structure. Since multiple sets of elastic telescopic rods 35 are installed at intervals on the inner side of the two sets of clamping rods 34 away from the connecting rods 33, the multiple sets of elastic telescopic rods 35 can adaptively clamp according to the shape of the steel structure, thereby achieving stable clamping of irregular steel structures and improving the clamping effect. In addition, the multiple sets of elastic telescopic rods 35 can make the clamping pressure distribution uniform and reduce the impact of local stress concentration on the steel structure. When the second electric telescopic rod 41 is activated, the telescopic end of the second electric telescopic rod 41 can drive the first electric telescopic rod 31 to move. Since the first electric telescopic rod 31 is rotatably set at the lower end of the placement plate 14, it can drive the first electric telescopic rod 31 and the clamping rod 34 to rotate, thereby realizing the adjustment of the clamping angle of the clamping rod 34, and facilitating the clamping of irregular steel structures, thus improving the clamping flexibility.

[0041] Unless otherwise defined, the technical or scientific terms used in this application shall have the ordinary meaning understood by one of ordinary skill in the art to which this application pertains. The terms "first," "second," "third," and similar terms used in this application specification and claims do not indicate any order, quantity, or importance, but are merely used to distinguish different components. The terms "an" or "a" and similar terms do not indicate a quantity limitation, but rather indicate the presence of at least one. The terms "comprising" or "including" and similar terms mean that the elements or objects preceding "comprising" or "including" encompass the elements or objects listed following "comprising" or "including" and their equivalents, and do not exclude other elements or objects. "Above," "below," "left," "right," etc., are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0042] The above are all optional embodiments of this application and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A fast positioning steel structure machining clamp, comprising a machining platform (1) and a mounting frame (11), characterized in that: The mounting bracket (11) is fixedly installed on the processing platform (1). A first hydraulic cylinder (12) is fixedly installed on the processing platform (1). A fixing plate (13) is provided at the telescopic end of the first hydraulic cylinder (12). Two sets of the first hydraulic cylinder (12) and the fixing plate (13) are symmetrically arranged. A placement plate (14) is slidably installed at the end of the mounting bracket (11) away from the processing platform (1). A positioning component (2) for quickly positioning the placement plate (14) is provided on the mounting bracket (11). A clamping mechanism (3) for clamping irregular steel structures is provided on the placement plate (14).

2. The fixture according to claim 1, wherein: The positioning component (2) includes a second hydraulic cylinder (21), a lifting rod (22), a drive motor (23), a gear (24), and a toothed rail (25). The lifting rod (22) is movably mounted on the mounting frame (11). The second hydraulic cylinder (21) is fixedly mounted on the processing platform (1). The telescopic end of the second hydraulic cylinder (21) is fixedly connected to the lifting rod (22). The drive motor (23) is mounted on the placement plate (14). The gear (24) is mounted on the output end of the drive motor (23). The toothed rail (25) is mounted on the end of the lifting rod (22) away from the mounting frame (11) and meshes with the gear (24). The placement plate (14) is slidably mounted on the end of the lifting rod (22) away from the mounting frame (11).

3. The fixture of claim 2 wherein: The clamping mechanism (3) includes a first electric telescopic rod (31), a connecting plate (32), a connecting rod (33), a clamping rod (34), an elastic telescopic rod (35), and an adjusting member (4). The first electric telescopic rod (31) is rotatably disposed at the lower end of the placement plate (14), and the connecting plate (32) is disposed on the first electric telescopic rod (31). Two sets of connecting rods (33) are provided, and one end of each rod is rotatably mounted on the telescopic end of the first electric telescopic rod (31). Two sets of clamping rods (34) are provided, and each clamping rod is rotatably mounted on the connecting plate (32). One end of each set of clamping rods (34) is rotatably connected to the other end of each set of connecting rods (33). Multiple sets of elastic telescopic rods (35) are provided, and multiple sets of elastic telescopic rods (35) are spaced apart on the inner side of the end of each set of clamping rods (34) away from the connecting rod (33). The adjusting member (4) is provided on the placement plate (14) and is used to adjust the clamping angle of the clamping rods (34).

4. The fixture of claim 3 wherein: The adjusting component (4) includes a second electric telescopic rod (41) and a placement frame (42). The placement frame (42) is located at the lower end of the placement plate (14), and the second electric telescopic rod (41) is located on the placement frame (42).

5. The fixture of claim 4 wherein: The processing platform (1) is provided with a third electric telescopic rod (5), and the telescopic end of the third electric telescopic rod (5) is provided with a cleaning plate (51). The width of the cleaning plate (51) is the width of the two sets of fixed plates (13) when they are not clamped. A collection box (52) is provided below the processing platform (1).

6. The fixture of claim 3 wherein: The end of the elastic telescopic rod (35) away from the clamping rod (34) is provided with a clamping pad (351).

7. The fixture of claim 5 wherein: The processing platform (1) is provided with a control cabinet (6) for coordinating and centrally controlling the operation of the first hydraulic cylinder (12), the second hydraulic cylinder (21), the first electric telescopic rod (31), the second electric telescopic rod (41) and the third electric telescopic rod (5).

8. The fixture of claim 5 wherein: The cleaning plate (51) is provided with a shovel (511) at the end away from the third electric telescopic rod (5) for cleaning residual contaminants on the processing platform (1).

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