Environmentally friendly surface treatment equipment for stainless steel wire for welding

Abstract

The utility model discloses an environmentally friendly surface treatment device for stainless steel wire for welding, and relates to the technical field of stainless steel wire production. The utility model comprises an equipment main body and a sponge ring. The sponge ring is arranged inside the equipment main body, a disassembly assembly is arranged outside the sponge ring, a splicing assembly is arranged below the sponge ring, and baffles are arranged on the left and right sides of the sponge ring. The utility model arranges the disassembly assembly component, and pulling a pull rod on one side can drive the arc clamp plate away from the infusion rod at the same time, so as to facilitate the disassembly of the first mounting block, thereby facilitating the disassembly and replacement of the sponge ring. By arranging the splicing assembly, an L-shaped clamping rod is engaged in a clamping groove to clamp and limit the sponge pad. Pressing the push rod to drive the L-shaped clamping rod out of the clamping groove can facilitate the second mounting block to be away from the first mounting block and take out the sponge pad. By arranging the baffle, the baffle can improve the limiting effect on the sponge pad after the first mounting block and the second mounting block are spliced.

Description

Technical Field

[0001] The utility model relates to the technical field of stainless steel wire production, in particular to surface treatment equipment for environmentally friendly stainless steel wire for welding. Background Art

[0002] Stainless steel wire is a silk product of various specifications and models made of stainless steel as raw material. Stainless steel wire is widely used in various industrial fields due to its excellent corrosion resistance and oxidation resistance. During the production process of stainless steel wire, the dust, oil stains and dust on the surface need to be cleaned before welding to ensure the smooth surface of the stainless steel wire.

[0003] For example, the environmentally friendly surface treatment equipment for stainless steel wire for welding disclosed in the utility model with authorization announcement number CN212069610U arranges a top plate on the main body of the equipment. The top plate cooperates with a stepper motor and a slide table to drive the sponge on the connecting rod to move back and forth along the surface of the stainless steel wire, thereby wiping the surface of the stainless steel wire. By arranging a water pump and a liquid storage tank, the water pump can draw out the detergent in the liquid storage tank and flow it along the liquid outlet pipe to the sponge ring, thereby cooperating with the sponge ring to wipe the oil stains on the surface of the stainless steel wire.

[0004] This prior art also has the following problems when used:

[0005] The device wipes the surface of the stainless steel wire by moving a sponge ring back and forth on the surface of the stainless steel wire. The sponge ring is prone to excessive wear and even breakage after long-term use and needs to be replaced from time to time. However, it is difficult to remove the sponge ring for replacement, and it is difficult to disassemble and replace the cylinder of the device. Utility Model Content

[0006] In order to overcome the deficiencies of the prior art, the utility model provides an environmentally friendly surface treatment device for stainless steel wire for welding to solve the technical problems mentioned in the above background.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: an environmentally friendly surface treatment device for stainless steel wire for welding, comprising a device body and a sponge ring, wherein the sponge ring is arranged inside the device body;

[0008] The disassembly and assembly component is arranged outside the sponge ring, and the disassembly and assembly component can facilitate the replacement and installation of the sponge ring;

[0009] A splicing assembly is arranged below the sponge ring, and the splicing assembly can conveniently clamp and limit the sponge ring;

[0010] Baffles are arranged on the left and right sides of the sponge ring, and the baffles can improve the limiting effect on the sponge ring.

[0011] As a preferred technical solution of the utility model, a stainless steel wire body is arranged inside the equipment body, and a slide table is slidably connected to the top surface inside the equipment body.

[0012] As an optimal technical scheme of the present utility model, the disassembly and assembly component includes a first mounting block, a fixing box, a pulling rod, an arcuate clamping plate, a first T-shaped slide groove, a first connecting rod, a vertical rod, a second T-shaped sliding block, a second T-shaped sliding groove, a first spring, a first T-shaped sliding block and an insertion rod, a first mounting block is arranged above the stainless steel wire body, a fixing box is fixedly arranged on the top of the first mounting block, a symmetrical arcuate clamping plate is slidably connected to the top of the first mounting block, a first T-shaped sliding block is fixedly arranged on the bottom surface of the arcuate clamping plate, a pulling rod is fixedly arranged on the outside of the arcuate clamping plate, and symmetrical first connecting rods are hinged on the left and right sides of the arcuate clamping plate, the other end of the first connecting rod is rotatably connected to the vertical rod, and the second T-shaped sliding block is fixedly arranged on the bottom surface of the vertical rod, symmetrical first T-shaped slide grooves and second T-shaped slide grooves are arranged on the top of the first mounting block, a first spring is fixedly arranged between the top of the first mounting block and the arcuate clamping plate, and symmetrical insertion rods are fixedly arranged on the bottom surface of the first mounting block.

[0013] As a preferred technical solution of the utility model, a vertical groove is provided on the top of the first mounting block and extends to the bottom. An infusion rod is fixedly provided at the bottom of the slide. The bottom of the infusion rod is connected to the bottom of the first mounting block through the vertical groove. The pull rod passes through the fixed box and is slidably connected to the fixed box. The bottom surface of the arc-shaped clamping plate is slidably connected to the first mounting block. The first T-shaped slide groove is adapted to the first T-shaped slider. The first T-shaped slider is slidably connected to the first mounting block through the first T-shaped slide groove. The second T-shaped slider is adapted to the second T-shaped slide groove. The second T-shaped slider is slidably connected to the first mounting block through the second T-shaped slide groove. A symmetrical baffle is fixedly provided on one side of the first mounting block close to the sponge ring.

[0014] As a preferred technical solution of the utility model, the splicing assembly includes a second mounting block, a push rod, a hollow cavity, a second spring, a second connecting rod, an L-shaped clamping rod, a third T-shaped slider and a third T-shaped slide groove. A second mounting block is arranged below the stainless steel wire body, a hollow cavity is arranged inside the second mounting block, a push rod penetrating to the outside is arranged on the bottom surface of the hollow cavity, a second spring is fixedly arranged on the top surface of the push rod, symmetrical second connecting rods are hinged on the left and right sides of the push rod, an L-shaped clamping rod is hinged on the other end of the second connecting rod, a third T-shaped slider is fixedly arranged on the bottom surface of the L-shaped clamping rod, and a symmetrical third T-shaped slide groove is arranged on the bottom surface of the hollow cavity.

[0015] As a preferred technical solution of the utility model, the insertion rod passes through the second mounting block and is slidably connected to the second mounting block, the push rod is slidably connected to the second mounting block, the second spring is fixedly connected to the inner wall of the hollow cavity on the side away from the push rod, a groove adapted to the L-shaped clamping rod is provided on the inner side of the insertion rod, the L-shaped clamping rod is slidably connected to the insertion rod through the groove, the third T-shaped slider is adapted to the third T-shaped slide groove, the third T-shaped slider is slidably connected to the second mounting block through the third T-shaped slide groove, and a symmetrical baffle is fixedly provided on the side of the second mounting block close to the sponge ring.

[0016] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0017] The utility model provides a disassembly and assembly component, and pulling a pull rod on one side can drive the arc-shaped clamping plate to move away from the infusion rod at the same time, which is convenient for disassembly of the first mounting block, thereby facilitating disassembly and replacement of the sponge ring; by providing a splicing component, the L-shaped clamping rod is engaged in the clamping groove to clamp and limit the sponge pad; by pressing the push rod to drive the L-shaped clamping rod to disengage from the clamping groove, the second mounting block can be conveniently moved away from the first mounting block and the sponge pad can be taken out; by providing a baffle, the baffle can improve the limiting effect of the sponge pad after the first mounting block and the second mounting block are spliced. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the cross-sectional structure of the main view of the utility model;

[0020] Figure 3 For this utility model Figure 2 A schematic diagram of the partially enlarged structure at center A;

[0021] Figure 4 It is a schematic diagram of the cross-sectional structure of the disassembly and assembly components and the splicing components of the utility model from the left side;

[0022] Figure 5 It is a schematic diagram of the cross-sectional structure of the disassembly and assembly components of the utility model from top view;

[0023] Among them: 1. Equipment body; 2. Stainless steel wire body; 3. Slide; 4. First mounting block; 5. Second mounting block; 6. Baffle; 7. Fixed box; 8. Pull rod; 9. Press rod; 10. Sponge ring; 11. Arc clamp; 12. First T-shaped slide groove; 13. First connecting rod; 14. Vertical rod; 15. Second T-shaped slider; 16. Second T-shaped slide groove; 17. First spring; 18. First T-shaped slider; 19. Insert rod; 20. Hollow cavity; 21. Second spring; 22. Second connecting rod; 23. L-shaped clamping rod; 24. Third T-shaped slider; 25. Third T-shaped slide groove. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the present invention.

[0025] Example

[0026] Please refer to Figure 1-Figure 4 As shown, the utility model provides an environmentally friendly surface treatment device for stainless steel wire for welding, including a device body 1 and a sponge ring 10. A protective door is hinged on the front of the device body 1, and a visual window is installed at the central position of the protective door. A stainless steel wire body 2 is arranged inside the device body 1, and the stainless steel wire body 2 passes through the device body 1 to the outside of the device body 1. The stainless steel wire body 2 is fixed by an external limiting mechanism. A slide 3 is slidably connected to the top surface of the device body 1. A driving mechanism is arranged inside the device body 1, and the driving mechanism extends to the outside of the device body 1. The driving mechanism can drive the slide 3 to move left and right. An infusion pole is fixedly arranged on the bottom surface of the slide 3. A liquid storage tank and a water pump are fixedly installed on the outside of the device body 1. A hose is connected to the output end of the water pump. The hose is elastic. The hose passes through the device body 1 to the inside of the device body 1, and the other end of the hose is connected to the infusion pole. The water pump can extract the detergent in the liquid storage tank and transport it to the inside of the infusion pole along the hose. A sponge ring 10 is arranged below the infusion pole, and the stainless steel wire body 2 can pass through the sponge ring 10.

[0027] like Figure 1-Figure 5As shown, a disassembly assembly is arranged outside the sponge ring 10, and the disassembly assembly consists of a first mounting block 4, a fixing box 7, a pull rod 8, an arc-shaped clamping plate 11, a first T-shaped slide groove 12, a first connecting rod 13, a vertical rod 14, a second T-shaped slider 15, a second T-shaped slide groove 16, a first spring 17, a first T-shaped slider 18 and an insertion rod 19. A first mounting block 4 is arranged above the stainless steel wire body 2, and a vertical groove is arranged on the top of the first mounting block 4 to penetrate to the bottom, and the bottom of the infusion rod is connected to the first mounting block 4 through the vertical groove. The bottom of the mounting block 4, the top of the first mounting block 4 is fixedly provided with a fixing box 7, the top of the first mounting block 4 is slidably connected with a symmetrical arc-shaped clamping plate 11, the bottom surface of the arc-shaped clamping plate 11 is slidably connected to the first mounting block 4, the bottom surface of the arc-shaped clamping plate 11 is fixedly provided with a first T-shaped slider 18, the outer side of the arc-shaped clamping plate 11 is fixedly provided with a pull rod 8, the pull rod 8 passes through the fixing box 7 and is slidably connected to the fixing box 7, the left and right sides of the arc-shaped clamping plate 11 are hinged with symmetrical first connecting rods 13, and the other end of the first connecting rod 13 is rotatably connected to the A vertical rod 14 is connected, the vertical rod 14 passes through the first connecting rod 13, a second T-shaped slider 15 is fixedly arranged on the bottom surface of the vertical rod 14, a symmetrical first T-shaped slot 12 and a second T-shaped slot 16 are arranged on the top of the first mounting block 4, the first T-shaped slot 12 is adapted to the first T-shaped slider 18, the first T-shaped slider 18 is slidably connected to the first mounting block 4 through the first T-shaped slot 12, the second T-shaped slider 15 is adapted to the second T-shaped slot 16, the second T-shaped slider 15 is slidably connected to the first mounting block 4 through the first T-shaped slot 12 It is slidably connected to the first mounting block 4, a first spring 17 is fixedly arranged between the top of the first mounting block 4 and the arc-shaped clamping plate 11, a symmetrical plug rod 19 is fixedly arranged on the bottom surface of the first mounting block 4, and a symmetrical baffle 6 is fixedly arranged on one side of the first mounting block 4 close to the sponge ring 10, and the baffle 6 is arranged on the left and right sides of the sponge ring 10. Pulling the pull rod 8 on one side can drive the arc-shaped clamping plate 11 away from the infusion pole at the same time, so as to facilitate the disassembly of the first mounting block 4, thereby facilitating the disassembly and replacement of the sponge ring 10.

[0028] Specifically, when the sponge ring 10 needs to be replaced, the pull rod 8 on one side is pulled to drive the pull rod 8 to move outward, and the movement of the pull rod 8 drives the arc splint 11 to move outward, the first spring 17 is compressed, and the arc splint 11 moves to drive the first connecting rod 13 to rotate at the same time, and the rotation of the first connecting rod 13 drives the vertical rod 14 to move in a direction close to each other, and the movement of the vertical rod 14 drives the first connecting rod 13 on the other side to rotate, and the rotation of the first connecting rod 13 on the other side drives the arc splint 11 on the other side to move outward until the arc splints 11 on both sides are away from the infusion pole, and the first mounting block 4 is moved downward to make the first mounting block 4 detach from the infusion pole, and the first mounting block 4 can be disassembled, thereby facilitating the disassembly and replacement of the sponge ring 10.

[0029] like Figure 1-Figure 4As shown, a splicing assembly is arranged below the sponge ring 10, and the splicing assembly consists of a second mounting block 5, a push rod 9, a hollow cavity 20, a second spring 21, a second connecting rod 22, an L-shaped clamping rod 23, a third T-shaped slider 24 and a third T-shaped slide groove 25. A second mounting block 5 is arranged below the stainless steel wire body 2, and the sponge ring 10 is placed between the first mounting block 4 and the second mounting block 5. The insertion rod 19 passes through the second mounting block 5 and is slidably connected to the second mounting block 5. A hollow cavity 20 is arranged inside the second mounting block 5, and a push rod 9 is arranged on the bottom surface of the hollow cavity 20 to penetrate to the outside, and the push rod 9 is connected to the second mounting block 5. The block 5 is slidably connected, a second spring 21 is fixedly arranged on the top surface of the push rod 9, and the side of the second spring 21 away from the push rod 9 is fixedly connected to the inner wall of the hollow cavity 20. The left and right sides of the push rod 9 are hinged with symmetrical second connecting rods 22, and the other end of the second connecting rod 22 is hinged with an L-shaped clamping rod 23. A clamping groove adapted to the L-shaped clamping rod 23 is arranged on the inner side of the insertion rod 19, and the L-shaped clamping rod 23 is slidably connected to the insertion rod 19 through the clamping groove. When the first mounting block 4 is tightly against the second mounting block 5, the bottom surface of the insertion rod 19 just presses against the bottom surface of the hollow cavity 20, and the L-shaped clamping rod 23 is aligned with the clamping groove. A third T-shaped The slider 24 and the bottom surface of the hollow cavity 20 are provided with a symmetrical third T-shaped slot 25, the third T-shaped slider 24 is adapted to the third T-shaped slot 25, the third T-shaped slider 24 is slidably connected with the second mounting block 5 through the third T-shaped slot 25, and the second mounting block 5 is fixedly provided with a symmetrical baffle 6 on one side close to the sponge ring 10, and the baffle 6 is arranged on the left and right sides of the sponge ring 10, and the baffle 6 can be close to the sponge ring 10 when the first mounting block 4 and the second mounting block 5 are spliced, thereby improving the limiting effect of the sponge ring 10, and the sponge ring 10 is placed between the first mounting block 4 and the second mounting block 5, The second mounting block 5 is close to the first mounting block 4 and the insertion rod 19 extends into the hollow cavity 20. Pressing the push rod 9 drives the push rod 9 to move upward, and the second spring 21 is compressed. The push rod 9 moves and drives the second connecting rod 22 to rotate. The rotation of the second connecting rod 22 drives the L-shaped clamping rod 23 to approach each other. When the L-shaped clamping rod 23 is engaged in the slot, the first mounting block 4 is close to the second mounting block 5, thereby clamping and limiting the sponge ring 10. Pressing the push rod 9 drives the L-shaped clamping rod 23 to disengage from the slot and then moves the second mounting block 5 downward, so that the second mounting block 5 can be moved away from the first mounting block 4 and the sponge ring 10 can be taken out.

[0030] Specific working principle:

[0031] When the device is in use, the stainless steel wire body 2 is passed through the sponge ring 10, and the stainless steel wire body 2 is fixed by an external limiting mechanism. The operating driving mechanism drives the slide 3 to move left and right, and the movement of the slide 3 drives the first mounting block 4, the second mounting block 5 and the sponge ring 10 below to move left and right, so as to clean the surface of the stainless steel wire body 2. When the sponge ring 10 needs to be replaced, the stainless steel wire body 2 is first pulled out and separated from the sponge ring 10, and the pull rod 8 on one side is pulled to drive the pull rod 8 to move outward. The movement of the pull rod 8 drives the arc splint 11 to move outward, the first spring 17 is compressed, and the movement of the arc splint 11 drives the first connecting rod 13 to rotate at the same time, and the rotation of the first connecting rod 13 drives the vertical rod 14 to move along each other Move in the direction of approaching, the vertical rod 14 moves to drive the first connecting rod 13 on the other side to rotate, and the first connecting rod 13 on the other side rotates to drive the arc-shaped clamping plate 11 on the other side to move outward, until the arc-shaped clamping plates 11 on both sides are away from the infusion pole, and the first mounting block 4 is moved downward to make the first mounting block 4 detach from the infusion pole, and the first mounting block 4 can be disassembled, and the pressing rod 9 is pressed to drive the pressing rod 9 to move upward, and the second spring 21 is compressed, and the pressing rod 9 moves to drive the second connecting rod 22 to rotate, and the second connecting rod 22 rotates to drive the L-shaped clamping rod 23 to approach each other, until the L-shaped clamping rod 23 is detached from the clamping slot, and then the second mounting block 5 is moved downward, so that the second mounting block 5 can be away from the first mounting block 4, which is convenient for taking out the sponge ring 10.

[0032] Place the replaced sponge ring 10 between the first mounting block 4 and the second mounting block 5, and make the first mounting block 4 and the second mounting block 5 close to each other, and extend the insertion rod 19 into the hollow cavity 20 until the first mounting block 4 is close to the second mounting block 5, then release the push rod 9, the second spring 21 pushes the push rod 9 to move downward, and the movement of the push rod 9 drives the L-shaped clamping rod 23 to move away from each other until the L-shaped clamping rod 23 is engaged with the inside of the clamping groove, thereby realizing the splicing of the first mounting block 4 and the second mounting block 5, pull the pull rod 8 to drive the arc splint 11 to move away from each other, install the first mounting block 4 at the bottom of the infusion pole and make the bottom surface of the infusion pole close to the vertical groove, release the pull rod 8 to make the first spring 17 push the arc splint 11 close to each other until the arc splint 11 is close to the infusion pole, thereby realizing the installation of the first mounting block 4.

[0033] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. An environmentally friendly surface treatment device for stainless steel wire for welding, comprising a device body (1) and a sponge ring (10), wherein the sponge ring (10) is arranged inside the device body (1), and characterized in that: A disassembly assembly component, which is arranged outside the sponge ring (10) and can facilitate replacement and installation of the sponge ring (10); A splicing assembly, which is arranged below the sponge ring (10), and can conveniently clamp and limit the sponge ring (10); The baffle plate (6) is arranged on the left and right sides of the sponge ring (10), and the baffle plate (6) can improve the limiting effect on the sponge ring (10).

2. The surface treatment equipment for environmentally friendly stainless steel wire for welding according to claim 1 is characterized in that: A stainless steel wire body (2) is arranged inside the equipment body (1), and a sliding platform (3) is slidably connected to the top surface of the equipment body (1).

3. The surface treatment equipment for environmentally friendly stainless steel wire for welding according to claim 2 is characterized in that: The disassembly assembly comprises a first mounting block (4), a fixing box (7), a pull rod (8), an arc-shaped clamping plate (11), a first T-shaped slide groove (12), a first connecting rod (13), a vertical rod (14), a second T-shaped slide block (15), a second T-shaped slide groove (16), a first spring (17), a first T-shaped slide block (18) and an insertion rod (19), wherein a first mounting block (4) is arranged above the stainless steel wire body (2), a fixing box (7) is fixedly arranged on the top of the first mounting block (4), a symmetrical arc-shaped clamping plate (11) is slidably connected to the top of the first mounting block (4), and a first arc-shaped clamping plate (11) is fixedly arranged on the bottom surface of the arc-shaped clamping plate (11). A T-shaped slider (18), a pull rod (8) is fixedly arranged on the outer side of the arc-shaped clamping plate (11), and symmetrical first connecting rods (13) are hinged on the left and right sides of the arc-shaped clamping plate (11), and the other end of the first connecting rod (13) is rotatably connected to a vertical rod (14), and a second T-shaped slider (15) is fixedly arranged on the bottom surface of the vertical rod (14), and a symmetrical first T-shaped slide groove (12) and a second T-shaped slide groove (16) are arranged on the top of the first mounting block (4), a first spring (17) is fixedly arranged between the top of the first mounting block (4) and the arc-shaped clamping plate (11), and a symmetrical insertion rod (19) is fixedly arranged on the bottom surface of the first mounting block (4).

4. The surface treatment equipment for environmentally friendly stainless steel wire for welding according to claim 3 is characterized in that: The top of the first mounting block (4) is provided with a vertical groove extending through to the bottom, the bottom of the slide (3) is fixedly provided with an infusion rod, the bottom of the infusion rod is connected to the bottom of the first mounting block (4) through the vertical groove, the pull rod (8) passes through the fixed box (7) and is slidably connected to the fixed box (7), the bottom surface of the arc clamping plate (11) is slidably connected to the first mounting block (4), the first T-shaped slide groove (12) is adapted to the first T-shaped slider (18), the first T-shaped slider (18) is slidably connected to the first mounting block (4) through the first T-shaped slide groove (12), the second T-shaped slider (15) is adapted to the second T-shaped slide groove (16), the second T-shaped slider (15) is slidably connected to the first mounting block (4) through the second T-shaped slide groove (16), and a symmetrical baffle (6) is fixedly provided on one side of the first mounting block (4) close to the sponge ring (10).

5. The surface treatment equipment for environmentally friendly stainless steel wire for welding according to claim 4, characterized in that: The splicing assembly comprises a second mounting block (5), a push rod (9), a hollow cavity (20), a second spring (21), a second connecting rod (22), an L-shaped clamping rod (23), a third T-shaped slider (24) and a third T-shaped slide groove (25). A second mounting block (5) is arranged below the stainless steel wire body (2). A hollow cavity (20) is arranged inside the second mounting block (5). A push rod (9) penetrating to the outside is arranged on the bottom surface of the hollow cavity (20). A second spring (21) is fixedly arranged on the top surface of the push rod (9). A symmetrical second connecting rod (22) is hingedly arranged on the left and right sides of the push rod (9). The other end of the second connecting rod (22) is hingedly arranged with an L-shaped clamping rod (23). A third T-shaped slider (24) is fixedly arranged on the bottom surface of the L-shaped clamping rod (23). A symmetrical third T-shaped slide groove (25) is arranged on the bottom surface of the hollow cavity (20).

6. The surface treatment equipment for environmentally friendly stainless steel wire for welding according to claim 5, characterized in that: The insertion rod (19) passes through the second mounting block (5) and is slidably connected to the second mounting block (5); the push rod (9) is slidably connected to the second mounting block (5); the second spring (21) is fixedly connected to the inner wall of the hollow cavity (20) on the side away from the push rod (9); a groove adapted to the L-shaped clamping rod (23) is provided on the inner side of the insertion rod (19); the L-shaped clamping rod (23) is slidably connected to the insertion rod (19) through the groove; the third T-shaped slider (24) is adapted to the third T-shaped slide groove (25); the third T-shaped slider (24) is slidably connected to the second mounting block (5) through the third T-shaped slide groove (25); and a symmetrical baffle (6) is fixedly provided on the side of the second mounting block (5) close to the sponge ring (10).

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