CN220388659U - Clamp for radiator machining - Google Patents

Abstract

The utility model discloses a clamp for machining a radiator, which comprises a base, a sliding component, a first driving component, a second driving component, a first buffer component, a second buffer component, a first adjusting component, a second adjusting component, a first clamping piece and a second clamping piece, wherein the sliding component, the first driving component, the second driving component, the first buffer component, the second buffer component, the first adjusting component, the second adjusting component, the first clamping piece and the second clamping piece are arranged on the base, one end of the first driving component is arranged on the base, the other end of the first driving component is arranged on the sliding component, one end of the second driving component is arranged on the base, the other end of the second driving component is arranged on the sliding component, one end of the first buffer component is arranged on the first driving component, the other end of the first buffer component is arranged on the sliding component, one end of the second buffer component is arranged on the first driving component, and the other end of the second buffer component is arranged on the sliding component.

Description

Clamp for radiator machining

Technical Field

The utility model relates to the technical field of radiator processing, in particular to a clamp for radiator processing.

Background

In order to avoid unstable operation and damaged parts of the computer system, a radiator is usually arranged on the corresponding parts of the computer. The radiator is usually clamped through the processing auxiliary device in the processing process, the clamping fixtures are used for directly clamping two side end faces of the radiator, but the side faces of the radiator are inclined faces, the other side faces of the radiator are straight faces, the existing fixtures can only clamp the single-type radiator in a positioning mode, a large number of fixtures of different types are required to be prepared for adapting to different types of fixtures, time and labor are wasted, and production efficiency is seriously affected.

Disclosure of Invention

In order to solve the problems, the utility model provides a clamp for processing a radiator, which is characterized in that a first driving component is arranged for driving a first buffer component to move, the first buffer component moves to drive a first adjusting component to move, the first adjusting component moves to drive a first clamping piece to move, so that the first clamping piece is close to or far away from a second clamping piece, a second driving component is used for driving a second buffer component to move, the second buffer component moves to drive a second adjusting component to move, the second adjusting component moves to drive the second clamping piece to move, so that the second clamping piece is close to or far away from the first clamping piece, clamping or taking down of the radiator can be realized, a sliding component is used for matching with the movement, the first adjusting component can adjust the angle of the first clamping piece, the second adjusting component can adjust the angle of the second clamping piece, so that the radiator with various shapes can be clamped, the clamp is not required to be replaced, time and labor are saved, and the production efficiency is improved.

In order to achieve the above object, the present utility model provides a fixture for machining a radiator, which includes a base, a sliding assembly mounted on the base, a first driving assembly, a second driving assembly, a first buffer assembly, a second buffer assembly, a first adjusting assembly mounted on the first buffer assembly, a second adjusting assembly mounted on the second buffer assembly, a first clamping member mounted on the first adjusting assembly, a second clamping member mounted on the second adjusting assembly, wherein one end of the first driving assembly is mounted on the base, the other end of the first driving assembly is mounted on the sliding assembly, one end of the second driving assembly is mounted on the base, the other end of the second driving assembly is mounted on the sliding assembly, one end of the first buffer assembly is mounted on the first driving assembly, the other end of the first buffer assembly is mounted on the sliding assembly, one end of the second buffer assembly is mounted on the first driving assembly, and the other end of the second buffer assembly is mounted on the sliding assembly.

As a preferable scheme, the sliding component comprises a first sliding rail and a second sliding rail which are arranged on the base, a first front driving sliding block and a first front buffering sliding block which are arranged on the first sliding rail, a second front driving sliding block and a second front buffering sliding block which are arranged on the first sliding rail, a first rear driving sliding block and a first rear buffering sliding block which are arranged on the second sliding rail, and a second rear driving sliding block and a second rear buffering sliding block which are arranged on the second sliding rail.

As a preferable scheme, the first driving assembly comprises a first driving cylinder, a first driving frame and a first connecting piece, wherein the first driving cylinder is arranged on the base, the first connecting piece is arranged on the first driving frame, the output end of the first driving cylinder is arranged on the first connecting piece, one end of the first driving frame is arranged on the first front driving sliding block, and the other end of the first driving frame is arranged on the first rear driving sliding block.

As a preferred scheme, first buffer assembly including install in first front buffer board, first back buffer board, first buffer spring, install in first guide post of first front buffer board, first buffer spring one end install in first front buffer board, first buffer spring other end install in first back buffer board, first back buffer board one end install in first front buffer slider, first back buffer board other end install in first back buffer slider, first buffer spring with first guide post is a plurality of and the interval setting, first back buffer board is equipped with first guiding hole, first guide post one end slidable mounting in first guiding hole, first guide post has first dog, the diameter of first dog is greater than the internal diameter of first guiding hole.

As a preferable scheme, the first adjusting component comprises a first adjusting frame installed on the first rear buffer plate, a first fastening plate installed on the first adjusting frame in a sliding manner, a first adjusting shaft installed on the first adjusting frame, and a first fastening nut installed on the first adjusting shaft, wherein a first clamping piece is provided with a first adjusting hole matched with the first adjusting shaft, the first clamping piece is rotatably installed on the first adjusting shaft through the first adjusting hole, the first fastening plate is provided with a first fastening hole matched with the first adjusting shaft, and one end of the first fastening plate is slidably installed on the first adjusting shaft through the first fastening hole.

As a preferable scheme, the first adjusting frame is provided with a first sliding groove, the first fastening plate is provided with a first fastening sliding block, and the first sliding groove and the first fastening sliding block are arranged in a plurality of one-to-one matching modes.

As a preferable scheme, the second driving assembly comprises a second driving cylinder, a second driving frame and a second connecting piece, wherein the second driving cylinder is arranged on the base, the second connecting piece is arranged on the second driving frame, the output end of the second driving cylinder is arranged on the second connecting piece, one end of the second driving frame is arranged on the second front driving sliding block, and the other end of the second driving frame is arranged on the second rear driving sliding block.

As a preferred scheme, the second buffer assembly including install in the second front buffer board of second drive frame, second back buffer board, second buffer spring, install in the second guide post of second front buffer board, second buffer spring one end install in the second front buffer board, the second buffer spring other end install in the second back buffer board, second back buffer board one end install in the second front buffer slider, the second back buffer board other end install in the second back buffer slider, second buffer spring with the second guide post is a plurality of and the interval setting, the second back buffer board is equipped with the second guiding hole, the second end slidable mounting of second guide post in the second guiding hole, the second guide post has the second dog, the diameter of second dog is greater than the internal diameter of second guiding hole.

As a preferable scheme, the second adjusting component comprises a second adjusting frame installed on the second rear buffer plate, a second fastening plate installed on the second adjusting frame in a sliding manner, a second adjusting shaft installed on the second adjusting frame, and a second fastening nut installed on the second adjusting shaft, wherein the second clamping piece is provided with a second adjusting hole matched with the second adjusting shaft, the second clamping piece is rotatably installed on the second adjusting shaft through the second adjusting hole, the second fastening plate is provided with a second fastening hole matched with the second adjusting shaft, and two ends of the second fastening plate are slidably installed on the second adjusting shaft through the second fastening hole.

As a preferable scheme, the second adjusting frame is provided with a second sliding groove, the second fastening plate is provided with a second fastening sliding block, and the second sliding groove and the second fastening sliding block are arranged in a plurality of one-to-one matching mode.

The utility model has the beneficial effects that: the first driving component is used for driving the first buffering component to move, the first buffering component moves to drive the first adjusting component to move, the first adjusting component moves to drive the first clamping piece to move, the first clamping piece is close to or far away from the second clamping piece, the second driving component is used for driving the second buffering component to move, the second buffering component moves to drive the second adjusting component to move, the second adjusting component moves to drive the second clamping piece to move, the second clamping piece is close to or far away from the first clamping piece, clamping or taking down of the radiator can be achieved, the sliding component is used for matching with the movement, the first adjusting component can adjust the angle of the first clamping piece, the second adjusting component can adjust the angle of the second clamping piece, so that the radiator with various shapes can be clamped, time and labor are saved, and production efficiency is quickened.

Drawings

Fig. 1 is a schematic view showing the overall structure of a jig for processing a radiator according to the present utility model.

Fig. 2 is a schematic structural view of a sliding assembly in the fixture for processing a radiator in fig. 1.

Fig. 3 is a schematic structural view of a first driving assembly in the fixture for processing a radiator in fig. 1.

Fig. 4 is a schematic structural view of a second driving assembly in the fixture for processing a radiator in fig. 1.

Fig. 5 is a schematic structural view of a first buffer assembly in the fixture for processing a radiator in fig. 1.

Fig. 6 is a schematic structural diagram of a second buffer assembly in the fixture for processing a radiator in fig. 1.

Fig. 7 is a schematic structural view of a first adjusting assembly in the fixture for processing a radiator of fig. 1.

Fig. 8 is a schematic structural view of a second adjusting assembly in the fixture for processing a radiator of fig. 1.

Reference numerals illustrate: 100. a base; 200. a sliding assembly; 210. a first slide rail; 211. a first front drive slider; 212. a first front buffer slide; 213. a second front drive slider; 214. a second front buffer slide; 220. a second slide rail; 221. a first rear drive slider; 222. a first rear buffer slide; 223. a second rear drive slider; 224. a second rear buffer slide; 300. a first drive assembly; 310. a first driving cylinder; 320. a first driving frame; 330. a first connector; 400. a second drive assembly; 410. a second driving cylinder; 420. a second driving frame; 430. a second connector; 500. a first cushioning assembly; 510. a first front buffer plate; 520. a first rear buffer plate; 530. a first buffer spring; 540. a first guide post; 541. a first stopper; 600. a second cushioning assembly; 610. a second front buffer plate; 620. a second rear buffer plate; 630. a second buffer spring; 640. a second guide post; 641. a second stopper; 700. a first adjustment assembly; 710. a first adjusting frame; 711. a first chute; 720. a first fastening plate; 721. a first fastening slider; 730. a first adjustment shaft; 740. a first fastening nut; 800. a second adjustment assembly; 810. a second adjusting frame; 811. a second chute; 820. a second fastening plate; 821. a second fastening slider; 830. a second adjustment shaft; 840. a second fastening nut; a. a first clamping member; b. and a second clamping member.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 8, the present utility model provides a jig for processing a radiator, comprising a base 100, a sliding module 200 mounted on the base 100, a first driving module 300 and a second driving module 400, a first buffer module 500 and a second buffer module 600, a first adjusting module 700 mounted on the first buffer module 500, a second adjusting module 800 mounted on the second buffer module 600, a first clamping member a mounted on the first adjusting module 700, a second clamping member b mounted on the second adjusting module 800, one end of the first driving module 300 being mounted on the base 100, the other end of the first driving module 300 being mounted on the sliding module 200, one end of the second driving module 400 being mounted on the base 100, the other end of the second driving module 400 being mounted on the sliding module 200, one end of the first buffer module 500 being mounted on the first driving module 300, the other end of the first buffer module 500 being mounted on the sliding module 200, one end of the second buffer module 600 being mounted on the first driving module 300, and the other end of the second buffer module 600 being mounted on the sliding module 200; the first driving assembly 300 is used for driving the first buffering assembly 500 to move, the first buffering assembly 500 moves to drive the first adjusting assembly 700 to move, the first adjusting assembly 700 moves to drive the first clamping piece a to move, the first clamping piece a is close to or far away from the second clamping piece b, the second driving assembly 400 is used for driving the second buffering assembly 600 to move, the second buffering assembly 600 moves to drive the second adjusting assembly 800 to move, the second adjusting assembly 800 moves to drive the second clamping piece b to move, the second clamping piece b is close to or far away from the first clamping piece a, clamping or taking down of the radiator can be achieved through the sliding assembly 200, the angle of the first clamping piece a can be adjusted through the first adjusting assembly 700, the angle of the second clamping piece b can be adjusted through the second adjusting assembly 800, the radiator with various shapes can be clamped, clamp replacement is not needed, time and labor are saved, and production efficiency is quickened.

The slide assembly 200 includes a first slide rail 210 and a second slide rail 220 mounted to the base 100, a first front driving slider 211 and a first front buffer slider 212 mounted to the first slide rail 210, a second front driving slider 213 and a second front buffer slider 214 mounted to the first slide rail 210, a first rear driving slider 221 and a first rear buffer slider 222 mounted to the second slide rail 220, and a second rear driving slider 223 and a second rear buffer slider 224 mounted to the second slide rail 220.

The first driving assembly 300 includes a first driving cylinder 310 installed on the base 100, a first driving frame 320, and a first connecting member 330 installed on the first driving frame 320, wherein an output end of the first driving cylinder 310 is installed on the first connecting member 330, one end of the first driving frame 320 is installed on the first front driving slider 211, the other end of the first driving frame 320 is installed on the first rear driving slider 221, the first driving cylinder 310 works to drive the first driving frame 320 to slide on the sliding assembly 200, and the first driving frame 320 slides to drive the first buffer assembly 500 to slide on the sliding assembly 200.

The first buffer assembly 500 includes a first front buffer plate 510 installed on the first driving frame 320, a first rear buffer plate 520, a first buffer spring 530, a first guide post 540 installed on the first front buffer plate 510, one end of the first buffer spring 530 installed on the first front buffer plate 510, the other end of the first buffer spring 530 installed on the first rear buffer plate 520, one end of the first rear buffer plate 520 installed on the first front buffer slide 212, the other end of the first rear buffer plate 520 installed on the first rear buffer slide 222, the first buffer spring 530 and the first guide post 540 are multiple and arranged at intervals, the first rear buffer plate 520 is provided with a first guide hole, one end of the first guide post 540 is slidably installed on the first guide hole, the first guide post 540 is provided with a first stop 541, the diameter of the first stop 541 is larger than the inner diameter of the first guide hole, and during clamping, the first driving frame 320 moves to drive the first front buffer plate 510 to move toward the first rear buffer plate 520 until. The first front buffer plate 510 moves against the first rear buffer plate 520, the first rear buffer plate 520 moves to drive the first adjusting component 700 to move, the first adjusting component 700 moves to drive the first clamping piece a to move, the first clamping piece a is close to the second clamping piece b, clamping of the radiator can be completed, the first buffer spring 530 can ensure clamping force, damage to the radiator caused by overlarge force during clamping is avoided, and the first guide column 540 is used for guiding movement and guaranteeing moving stability.

The first adjusting assembly 700 includes a first adjusting bracket 710 mounted to the first rear buffer plate 520, a first fastening plate 720 slidably mounted to the first adjusting bracket 710, a first adjusting shaft 730 mounted to the first adjusting bracket 710, a first fastening nut 740 mounted to the first adjusting shaft 730, a first clamping member a provided with a first adjusting hole matched with the first adjusting shaft 730, the first clamping member a rotatably mounted to the first adjusting shaft 730 through the first adjusting hole, the first fastening plate 720 provided with a first fastening hole matched with the first adjusting shaft 730, and one end of the first fastening plate 720 slidably mounted to the first adjusting shaft 730 through the first fastening hole; the first adjusting frame 710 is provided with a first sliding groove 711, the first fastening plate 720 is provided with a plurality of first fastening sliding blocks 721, the first sliding grooves 711 and the first fastening sliding blocks 721 are arranged in a one-to-one matching mode, when the clamping angle needs to be adjusted, the first fastening nuts 740 are loosened first, the first fastening plate 720 is loosened, the angle of the first clamping piece a can be adjusted at the moment, and after adjustment, the first fastening nuts 740 are screwed until the first fastening plate 720 clamps the first clamping piece a.

The second driving assembly 400 includes a second driving cylinder 410 mounted on the base 100, a second driving frame 420, and a second connecting member 430 mounted on the second driving frame 420, wherein an output end of the second driving cylinder 410 is mounted on the second connecting member 430, one end of the second driving frame 420 is mounted on the second front driving slider 213, the other end of the second driving frame 420 is mounted on the second rear driving slider 223, the second driving cylinder 410 operates to drive the second driving frame 420 to slide on the sliding assembly 200, and the second driving frame 420 slides to drive the second buffer assembly 600 to slide on the sliding assembly 200.

The second buffer assembly 600 includes a second front buffer plate 610 mounted on the second driving frame 420, a second rear buffer plate 620, a second buffer spring 630, and a second guide post 640 mounted on the second front buffer plate 610, one end of the second buffer spring 630 is mounted on the second front buffer plate 610, the other end of the second buffer spring 630 is mounted on the second rear buffer plate 620, one end of the second rear buffer plate 620 is mounted on the second front buffer slide 214, the other end of the second rear buffer plate 620 is mounted on the second rear buffer slide 224, the second buffer spring 630 and the second guide post 640 are plural and are arranged at intervals, the second rear buffer plate 620 is provided with a second guide hole, two ends of the second guide post 640 are slidably mounted on the second guide hole, the second guide post 640 is provided with a second stop 641, and the diameter of the second stop 641 is larger than the inner diameter of the second guide hole, and during clamping, the second driving frame 420 moves to drive the second front buffer plate 610 to move toward the second rear buffer plate 620 until. The second front buffer plate 610 moves against the second rear buffer plate 620, the second rear buffer plate 620 moves to drive the second adjusting assembly 800 to move, the second adjusting assembly 800 moves to drive the second clamping piece b to move, the second clamping piece b is close to the first clamping piece a, clamping of the radiator can be completed, the second buffer spring 630 can ensure clamping force, damage to the radiator caused by overlarge force during clamping is avoided, and the second guide post 640 is used for guiding movement and guaranteeing moving stability.

The second adjusting assembly 800 includes a second adjusting bracket 810 mounted to the second rear buffer plate 620, a second fastening plate 820 slidably mounted to the second adjusting bracket 810, a second adjusting shaft 830 mounted to the second adjusting bracket 810, a second fastening nut 840 mounted to the second adjusting shaft 830, a second clamping member b provided with a second adjusting hole matched with the second adjusting shaft 830, the second clamping member b rotatably mounted to the second adjusting shaft 830 through the second adjusting hole, the second fastening plate 820 provided with a second fastening hole matched with the second adjusting shaft 830, and both ends of the second fastening plate 820 slidably mounted to the second adjusting shaft 830 through the second fastening hole; the second adjusting frame 810 is provided with a second sliding groove 811, the second fastening plate 820 is provided with a plurality of second fastening sliding blocks 821, the second sliding grooves 811 and the second fastening sliding blocks 821 are arranged in a one-to-one matching mode, when the clamping angle needs to be adjusted, the second fastening nuts 840 are loosened first, the second fastening plate 820 is loosened, the angle of the second clamping piece b can be adjusted at the moment, and after adjustment, the second fastening nuts 840 are screwed until the second fastening plate 820 clamps the second clamping piece b.

The above embodiments are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solution of the present utility model should fall within the scope of protection defined by the claims of the present utility model without departing from the spirit of the design of the present utility model.

Claims (10)

1. The utility model provides a anchor clamps are used in radiator processing which characterized in that, include the base, install in the slip subassembly, first drive assembly and second drive assembly of base, first buffer assembly and second buffer assembly, install in first buffer assembly's first adjusting part, install in second buffer assembly's second adjusting part, install in first adjusting part's first holder, install in second adjusting part's second holder, first drive assembly one end install in the base, first drive assembly other end install in slip subassembly, second drive assembly one end install in the base, the second drive assembly other end install in slip subassembly, first buffer assembly one end install in first drive assembly, the first buffer assembly other end install in slip subassembly, second buffer assembly one end install in first drive assembly, the second buffer assembly other end install in slip subassembly.

2. The jig for processing a radiator according to claim 1, wherein: the sliding assembly comprises a first sliding rail and a second sliding rail which are arranged on the base, a first front driving sliding block and a first front buffering sliding block which are arranged on the first sliding rail, a second front driving sliding block and a second front buffering sliding block which are arranged on the first sliding rail, a first rear driving sliding block and a first rear buffering sliding block which are arranged on the second sliding rail, and a second rear driving sliding block and a second rear buffering sliding block which are arranged on the second sliding rail.

3. The jig for processing a radiator according to claim 2, wherein: the first driving assembly comprises a first driving cylinder, a first driving frame and a first connecting piece, wherein the first driving cylinder is arranged on the base, the first connecting piece is arranged on the first driving frame, the output end of the first driving cylinder is arranged on the first connecting piece, one end of the first driving frame is arranged on the first front driving sliding block, and the other end of the first driving frame is arranged on the first rear driving sliding block.

4. A heat sink processing jig according to claim 3, wherein: the first buffer assembly is including installing in first front buffer board, first back buffer board, first buffer spring, install in first guide post of first front buffer board, first buffer spring one end install in first front buffer board, the first buffer spring other end install in first back buffer board, first back buffer board one end install in first front buffer slider, first back buffer board other end install in first back buffer slider, first buffer spring with first guide post is a plurality of and interval setting, first back buffer board is equipped with first guiding hole, the one end slidable mounting of first guide post in first guiding hole, first guide post has first dog, the diameter of first dog is greater than the internal diameter of first guiding hole.

5. The jig for processing a radiator according to claim 4, wherein: the first adjusting component comprises a first adjusting frame arranged on the first rear buffer plate, a first fastening plate slidably arranged on the first adjusting frame, a first adjusting shaft arranged on the first adjusting frame, a first fastening nut arranged on the first adjusting shaft, a first clamping piece provided with a first adjusting hole matched with the first adjusting shaft, the first clamping piece rotatably arranged on the first adjusting shaft through the first adjusting hole, a first fastening hole matched with the first adjusting shaft is formed in the first fastening plate, and one end of the first fastening plate is slidably arranged on the first adjusting shaft through the first fastening hole.

6. The jig for processing a radiator according to claim 5, wherein: the first adjusting frame is provided with a first sliding groove, the first fastening plate is provided with a first fastening sliding block, and the first sliding groove and the first fastening sliding block are arranged in a plurality of one-to-one matching mode.

7. The jig for processing a radiator according to claim 2, wherein: the second driving assembly comprises a second driving cylinder, a second driving frame and a second connecting piece, wherein the second driving cylinder is arranged on the base, the second connecting piece is arranged on the second driving frame, the output end of the second driving cylinder is arranged on the second connecting piece, one end of the second driving frame is arranged on the second front driving sliding block, and the other end of the second driving frame is arranged on the second rear driving sliding block.

8. The jig for processing a radiator according to claim 7, wherein: the second buffer assembly is including installing in buffer board, second back buffer board, second buffer spring, install in the second guide post of buffer board before the second, second buffer spring one end install in buffer board before the second, the second buffer spring other end install in buffer board after the second, buffer board one end install in buffer slider before the second after the second, the second back buffer board other end install in buffer slider after the second, the second buffer spring with the second guide post is a plurality of and the interval setting, the second back buffer board is equipped with the second guiding hole, second guide post's both ends slidable mounting in the second guiding hole, the second guide post has the second dog, the diameter of second dog is greater than the internal diameter of second guiding hole.

9. The jig for processing a radiator according to claim 8, wherein: the second adjusting component comprises a second adjusting frame arranged on the second rear buffer plate, a second fastening plate slidably arranged on the second adjusting frame, a second adjusting shaft arranged on the second adjusting frame, a second fastening nut arranged on the second adjusting shaft, a second clamping piece provided with a second adjusting hole matched with the second adjusting shaft, a second holding piece rotatably arranged on the second adjusting shaft through the second adjusting hole, a second fastening hole matched with the second adjusting shaft is arranged on the second fastening plate, and two ends of the second fastening plate are slidably arranged on the second adjusting shaft through the second fastening hole.

10. The jig for processing a radiator according to claim 9, wherein: the second adjusting frame is provided with a second sliding groove, the second fastening plate is provided with a second fastening sliding block, and the second sliding grooves and the second fastening sliding blocks are arranged in a plurality of one-to-one matching mode.