A wire mesh winding machine

Abstract

The application discloses a wire mesh roll welding machine and belongs to the field of wire mesh welding equipment. The wire mesh roll welding machine comprises a rack, a supporting table is arranged on the rack, staggered laser generators are arranged above the supporting table, one end of the laser generators is mounted on the rack, and the wire mesh roll welding machine further comprises a winding assembly arranged between the laser generators and the supporting table and used for pulling the welded wire mesh, and a filtering assembly arranged on one side surface of the rack and penetrating into the winding assembly at one end and used for adsorbing and filtering the smoke generated during welding of the winding assembly. Through cooperation of the winding assembly, the filtering assembly and a cooling assembly, the wire mesh is wound and pulled during use, welding operation is performed on the surface connection of the wire mesh during pulling, the working efficiency of the device is improved, the smoke generated during welding is timely adsorbed and filtered, welding slag residue can be avoided, and the precision of welding of the device is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of barbed wire welding equipment, and particularly relates to a barbed wire winding and welding machine. BACKGROUND

[0002] The barbed wire winding and welding machine is a device specially used for producing barbed wire, which is mainly used for winding the iron wire of large diameter into various specifications of mesh after shaping, cutting, forming and other processes, and welding the iron wire into the mesh structure through welding technology. The barbed wire winding and welding machine generally comprises a feeding mechanism, a shaping mechanism, a cutting mechanism, a winding mechanism and a welding mechanism. The feeding mechanism sends the iron wire into the shaping mechanism, and the shaping mechanism adjusts, stretches and cuts the iron wire. The treated iron wire is sent to the winding mechanism. The winding mechanism winds the iron wire into the mesh structure, and then sends the mesh into the welding mechanism for welding treatment. Finally, the welded mesh is sent out of the device for further processing.

[0003] In the prior art, the welding production speed of the barbed wire winding and welding machine is slow, and the unpleasant smoke generated at the welding position due to high temperature is inconvenient to filter and purify. The workers inhale the smoke into the body, which causes harm to the body. In addition, the welding slag generated during the spot welding in the traditional way is easily adhered to the surface of the winding drum, which needs to be manually cleaned, and the use is more troublesome. SUMMARY

[0004] The purpose of the present application is to solve the problems of slow welding production speed, unpleasant smoke generated at the welding position due to high temperature, inconvenience to filter and purify, workers inhaling the smoke into the body, which causes harm to the body, and welding slag generated during welding easily adhered to the surface of the winding drum in the prior art, and a barbed wire winding and welding machine is provided.

[0005] In order to achieve the above purpose, the present application adopts the following technical scheme:

[0006] A barbed wire winding and welding machine, comprising a rack, a support table is arranged on the rack, a plurality of laser generators are arranged on the upper surface of the support table in a staggered manner, one end of the laser generators is installed on the rack, and the barbed wire winding and welding machine further comprises: a winding assembly arranged between the laser generators and the support table and used for pulling the barbed wire with welding; a filtering assembly arranged on one side surface of the rack and penetrating into the winding assembly at one end, and used for adsorbing and filtering the smoke generated during welding on the winding assembly; and a cooling assembly arranged below the winding assembly and in communication with the filtering assembly, and used for cooling and cooling the residual welding slag on the winding assembly.

[0007] Preferably, the winding assembly comprises: a first driving part mounted on the rack, an output end of the first driving part being connected with a connecting shaft; a winding cylinder, one end of the winding cylinder being fixedly connected with the connecting shaft, the other end of the winding cylinder being rotatably connected with a fixed sleeve through a bearing, a surface of the fixed sleeve being mounted with a limiting plate, a bottom of the limiting plate being fixedly connected with the supporting table; protruding blocks being equidistantly distributed on a surface of the winding cylinder, the surface of the winding cylinder being provided with air suction holes between adjacent two protruding blocks, the air suction holes being provided with filter screens.

[0008] Preferably, the filtering assembly comprises: an air suction pipe mounted on an inner wall of the rack, one end of the air suction pipe penetrating through the fixed sleeve and extending into the winding cylinder, a surface of the air suction pipe being mounted with air suction heads equidistantly distributed in the winding cylinder; a second driving part mounted on a side surface of the rack, one end of the second driving part being connected with the air suction pipe, the other end of the second driving part being connected with a gas conveying pipe; a treatment box mounted on a surface of the rack, a bottom of the treatment box being connected with the gas conveying pipe, a surface of the treatment box being rotatably connected with a box door through a hinge.

[0009] Active carbon filter plates being arranged in the treatment box in a staggered manner, an inner wall of the treatment box being provided with a first inclined plate.

[0010] Preferably, the cooling assembly comprises: a communication pipe, one end of the communication pipe being connected with the treatment box, the other end of the communication pipe being connected with a guide pipe, an end of the guide pipe being connected with a shunt pipe; spray heads being equidistantly mounted on the shunt pipe; scrapers being arranged between adjacent two spray heads, a bottom of the scraper being connected with a supporting rod fixed on the shunt pipe, a surface of the scraper being attached to the winding cylinder.

[0011] Preferably, a collecting hopper is mounted on a top of the supporting table, the collecting hopper being located directly below the winding assembly, the guide pipe penetrating through a connecting plate, the connecting plate being fixedly connected with the rack.

[0012] Preferably, a storage box is mounted on a side surface of the rack, a bottom of the rack being provided with a base.

[0013] Preferably, a tensioning roller is rotatably connected with the rack through a bearing, the tensioning roller being located on one side of the winding assembly.

[0014] Preferably, a supporting plate is fixed on a side surface of the rack, the supporting plate being rotatably connected with a feeding shaft through a bearing.

[0015] Preferably, third driving parts being symmetrically distributed are mounted on a surface of the supporting plate on one side of the feeding shaft, output ends of the third driving parts being connected with adjusting plates.

[0016] Preferably, one end of the active carbon filter plate is connected with a connecting head, the connecting head is slidably connected with the first inclined plate, an extrusion spring is arranged on the connecting head, an end of the extrusion spring is connected with a limiting disc, the limiting disc is slidably connected in the connecting head, an end of the limiting disc is connected with a clamping block, the clamping block is slidably penetrated in a limiting hole, and one end of the limiting hole is fixed on the inner wall of the treatment box.

[0017] Compared with the prior art, the iron wire mesh roll welding machine has the following beneficial effects:

[0018] 1. The iron wire mesh roll welding machine, by setting the winding assembly on the rack, facilitates the traction winding of the iron wire mesh to be welded on the surface of the winding drum, and simultaneously slowly rotates to weld the connection of the iron wire interweaving, is convenient and fast to use, and effectively improves the working efficiency of the device welding.

[0019] 2. The iron wire mesh roll welding machine, by the cooperation of the winding assembly and the filtering assembly, adsorbs and collects the smoke generated by the welding of the winding assembly, and filters and purifies it, avoids pollution of the working environment, and effectively protects the physical and mental health of the workers.

[0020] 3. The iron wire mesh roll welding machine, by the cooperation of the filtering assembly and the cooling assembly, in the use process, the air filtered and purified is used to cool and cool the residual welding slag on the surface of the winding drum, prolongs the service life, and at the same time scrapes off the dust and foreign matters on the winding drum, avoids the iron wire mesh from being bonded on the surface of the winding drum.

[0021] The part not involved in the device is the same as or can be realized by the prior art. The iron wire mesh roll welding machine is provided with a winding assembly, a filtering assembly and a cooling assembly, which are cooperated with each other in the use process, the made iron wire mesh is wound and pulled, the surface connection is welded in the pulling process, the working efficiency of the device is improved, the smoke generated by welding is adsorbed and filtered in time, the residual welding slag is avoided, and the precision of the device welding is improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is an overall structure schematic view of the iron wire mesh roll welding machine provided by the present application;

[0023] Figure 2 It is a front view structure schematic view of the iron wire mesh roll welding machine provided by the present application;

[0024] Figure 3 It is a top view structure schematic view of the iron wire mesh roll welding machine provided by the present application;

[0025] Figure 4 It is a front view structure schematic view of the iron wire mesh roll welding machine provided by the present application;

[0026] Figure 5 A side view cross-sectional structure schematic diagram of a wire mesh roll welding machine is provided in the present application;

[0027] Figure 6 A filter box partial cross-sectional structure schematic diagram of a wire mesh roll welding machine is provided in the present application;

[0028] Figure 7 A winding drum partial three-dimensional structure schematic diagram of a wire mesh roll welding machine is provided in the present application;

[0029] Figure 8 A cooling assembly partial three-dimensional structure schematic diagram of a wire mesh roll welding machine is provided in the present application.

[0030] In the figure: 1, rack; 2, support table; 3, laser generator; 4, winding assembly; 401, first driving part; 402, connecting shaft; 403, winding drum; 404, protruding block; 405, air suction hole; 406, filter screen; 407, fixed sleeve; 408, limiting plate; 5, filter assembly; 501, air suction pipe; 502, air suction head; 503, second driving part; 504, air conveying pipe; 505, treatment box; 506, activated carbon filter plate; 507, first inclined plate; 508, box door; 6, cooling assembly; 601, communicating pipe; 602, guide pipe; 603, shunt pipe; 604, spray head; 605, support rod; 606, scraper; 7, collection hopper; 8, connecting plate; 9, tensioning roller; 10, support plate; 11, material passing shaft; 12, third driving part; 13, adjusting plate; 14, storage box; 15, base; 16, connecting head; 17, extrusion spring; 18, limiting disc; 19, second inclined plate; 20, limiting hole; 21, clamping block. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments.

[0032] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. EMBODIMENT

[0033] REFERENCE Figures 1-8The utility model provides a wire mesh roll welding machine, including frame 1, the upper surface of frame 1 is provided with support table 2, the upper surface of support table 2 is provided with staggered distribution laser generator 3, and one end is installed on frame 1, still include: winding assembly 4 is arranged between laser generator 3 and support table 2, is used for pulling the wire mesh of welding, filter assembly 5 is arranged on the surface of frame 1 one side, and one end penetrates into winding assembly 4, is used for adsorbing and filtering the smoke generated in welding on winding assembly 4, cooling assembly 6 is arranged below winding assembly 4 and is communicated with filter assembly 5, is used for cooling and cooling the residual welding slag on winding assembly 4.

[0034] In the utility model, in use, the wire mesh to be welded is passed from the frame 1 in advance and wound on the surface of the winding assembly 4, when welding the wire mesh is needed, the winding wire mesh is reeled and moved by starting the winding assembly 4 arranged on the frame 1, in the process of reeling, the laser generator 3 is arranged on the frame 1, and the laser generator 3 is arranged in staggered distribution, each laser generator 3 corresponds to the welding point on the wire mesh, the welding point of the wire mesh is welded by the laser emitted by the laser generator 3, when one group of welding points of the wire mesh is welded, the next group of welding points of the wire mesh is directed to the welding position of the laser generator 3 by the winding rotation of the wire mesh, and the welding operation of the next group of welding points is carried out, so that the working efficiency of the device is effectively improved, in the process of welding, the smoke generated in the winding assembly 4 is adsorbed and collected by the cooperation of the filter assembly 5 and the winding assembly 4, then the harmful substances in the smoke are filtered and purified, so that the harmful gas generated in the welding of the device does not cause harm to the workers, so that the physical and mental health of the workers is protected, the structure is compact, the normal welding operation of the laser generator 3 is not affected, the purified smoke in the filter assembly 5 is conveyed to the surface of the winding assembly 4 by the cooperation of the filter assembly 5 and the cooling assembly 6 in the process of welding in the winding assembly 4, the wire mesh welded in the winding assembly 4 can be cooled and cooled by blowing, the setting is accelerated, the product quality of the welding of the device is improved, and the dust and foreign matters on the surface of the winding drum 403 on the winding assembly 4 are scraped and cleaned when the winding assembly 4 is wound and operated, the smoke adsorption effect of the device is further improved. Embodiment

[0035] Reference Figures 1-8The utility model provides a wire mesh roll welding machine, including frame 1, the upper surface of frame 1 is provided with support table 2, the upper surface of support table 2 is provided with staggered distribution laser generator 3, and one end is installed on frame 1, still include: winding assembly 4 is arranged between laser generator 3 and support table 2, is used for pulling the wire mesh of belt welding, filter assembly 5 is arranged on the surface of frame 1 one side, and one end penetrates into winding assembly 4 and is used for adsorbing and filtering the smoke generated by welding on winding assembly 4, cooling assembly 6 is arranged below winding assembly 4 and is communicated with filter assembly 5, is used for cooling and cooling the residual welding slag on winding assembly 4, winding assembly 4 includes: first drive part 401 is installed on frame 1, and the output end of first drive part 401 is connected with connecting shaft 402, winding drum 403 one end is fixedly connected with connecting shaft 402, and the other end of winding drum 403 is rotatably connected with fixed sleeve 407 through bearing, and the surface of fixed sleeve 407 is installed with limit plate 408, and the bottom of limit plate 408 is fixedly connected with support table 2, and the surface of winding drum 403 is set with suction hole 405 between the equal interval distribution of protruding block 404, and filter screen 406 is arranged in suction hole 405, and filter assembly 5 includes: suction pipe 501 is installed on the inner wall of frame 1, and one end penetrates fixed sleeve 407 and extends into winding drum 403, and the surface of suction pipe 501 is installed with the equal interval distribution of suction head 502 in winding drum 403, second drive part 503 is installed on the surface of frame 1 one side, and one end of second drive part 503 is communicated with suction pipe 501, and the other end of second drive part 503 is connected with gas pipe 504, processing box 505 is installed on the surface of frame 1, and the bottom of processing box 505 is communicated with gas pipe 504, and the surface of processing box 505 is rotatably connected with box door 508 through hinge, and activated carbon filter plate 506 is arranged in processing box 505 in staggered form, and the inner wall of processing box 505 is provided with first inclined plate 507, and cooling assembly 6 includes: communication pipe 601 one end is communicated with processing box 505, and the other end of communication pipe 601 is connected with duct 602, and the end of duct 602 is connected with shunt pipe 603, and shower head 604 is installed on shunt pipe 603 in equal interval, and scraper 606 is arranged between adjacent two shower heads 604, and the bottom of scraper 606 is connected with support rod 605 fixed on shunt pipe 603, and the surface of scraper 606 is attached to winding drum 403.

[0036] In the present application, the first driving part 401 and the second driving part 503 can adopt a motor, a suction fan and the like as a driving source instead of driving operation. In the welding operation, the first driving part 401 is started to drive the connecting shaft 402 to rotate, and the connecting shaft 402 drives the winding drum 403 to rotate intermittently. The protruding block 404 arranged on the winding drum 403 can be clamped in the wire mesh wound on the winding drum 403, thereby playing a good limiting role, and further pulling and moving the wire mesh to be welded around the surface of the winding drum 403. The suction hole 405 is arranged to facilitate the suction end of the suction assembly 5 to suck air from the suction hole 405, generate negative pressure, and adsorb the smoke generated on the winding drum 403 into the suction pipe 501. The filter screen 406 is arranged to block the suction hole 405 to prevent foreign matter from falling into the winding drum 403. When the winding assembly 4 is running, the second driving part 503 is started to extend the suction pipe 501 into the inside of the winding drum 403, and the suction head 502 installed on the suction pipe 501 is close to the suction hole 405 to generate adsorption force, thereby adsorbing the smoke generated by the welding of the winding assembly 4. In this way, the compact structure does not affect the welding operation of the device, avoids the smoke floating and running away, and transports the adsorbed smoke into the treatment box 505. A plurality of activated carbon filter plates 506 are arranged in the treatment box 505 to filter and purify harmful substances in the entering smoke, thereby avoiding harm to the human body. The activated carbon filter plates 506 are arranged in a staggered manner, the second driving part 503 generates strong adsorption force, and then the smoke is transported into the treatment box 505. The activated carbon filter plates 506 weaken the blockage of the airflow while adsorbing and filtering the smoke, improve the flow speed, and do not affect the operation and blowing cooling effect of the cooling assembly 6. After the airflow in the treatment box 505 is filtered and purified, it is discharged through the communication pipe 601, and then discharged through the spray head 604, thereby blowing and cooling the winding drum 403 and the welded wire mesh. On the one hand, it accelerates the setting of the welding point, and on the other hand, it prolongs the service life of the winding drum 403. The spray head 604 can be used to scrape off dust and foreign matter on the winding drum 403, thereby improving the quality of the welded product of the device. Embodiment

[0037] Reference Figures 1-8The utility model provides a barbed wire welding machine, including frame 1, the upper surface of frame 1 is provided with support table 2, the upper surface of support table 2 is provided with staggered distribution laser generator 3, and one end is installed on frame 1, still include: winding assembly 4 is arranged between laser generator 3 and support table 2, is used for pulling the barbed wire of welding, filter assembly 5 is arranged on the one side surface of frame 1, and one end is penetrated into winding assembly 4, is used for adsorbing and filtering the smoke generated by welding on winding assembly 4, cooling assembly 6 is arranged below winding assembly 4 and is communicated with filter assembly 5, is used for cooling and cooling the residual welding slag on winding assembly 4, and the top of support table 2 is installed with collecting hopper 7, and collecting hopper 7 is located directly below winding assembly 4, and pipe 602 is penetrated in connecting plate 8, and connecting plate 8 is fixedly connected with frame 1, and the one side surface of frame 1 is installed with storage box 14, and the bottom of frame 1 is provided with base 15, and the surface of frame 1 is rotatably connected with tensioning roller 9 through bearing, and tensioning roller 9 is located on the one side of winding assembly 4, and the one side surface of frame 1 is fixedly provided with support plate 10, and the surface of support plate 10 is rotatably connected with through material shaft 11 through bearing, and the surface of support plate 10 is located on the one side of through material shaft 11 and is provided with the third drive portion 12 of symmetrical distribution, and the output of third drive portion 12 is connected with adjusting plate 13, and one end of activated carbon filter plate 506 is connected with connecting head 16, and connecting head 16 is slidably connected with first inclined plate 507, and extrusion spring 17 is arranged on connecting head 16, and the end of extrusion spring 17 is connected with limit disc 18, and limit disc 18 is slidably connected in connecting head 16, and the end of limit disc 18 is connected with clamping block 21, and clamping block 21 is slidably penetrated in limit hole 20, and one end of limit hole 20 is fixed on the inner wall of processing box 505.

[0038] In the application, through the setting of the collecting bucket 7, the dust and foreign matter cleaned off the winding drum 403 is conveniently collected and stored, and the setting of the tensioning roller 9 facilitates the wire mesh to pass through the tensioning roller 9 to tension the moving wire mesh, thereby improving the stability of the welding device. The material passing shaft 11 arranged on the supporting plate 10 can pass the material from the material passing shaft 11 for positioning, and the third driving part 12 installed on the supporting plate 10 facilitates the start of the two third driving parts 12 to drive the two adjusting plates 13 to move relatively, thereby limiting the two sides of the wire mesh to prevent deviation, facilitating the device to more accurately weld and process the wire mesh. It should be noted that the third driving part 12 can be replaced by a driving source such as a pneumatic cylinder. The setting of the storage box 14 facilitates the placement of maintenance tools in the storage box 14, thereby facilitating the worker to take the tools to maintain each part of the device. When the activated carbon filter plate 506 is adsorbed and saturated after long-term use, the activated carbon filter plate 506 in the treatment box 505 needs to be replaced. The worker can manually open the door 508, manually press the clamping block 21 to make the clamping block 21 retract into the connecting head 16, and pull out the activated carbon filter plate 506 to complete the disassembly. When installing, the connecting head 16 at one end of the activated carbon filter plate 506 is inserted between the first inclined plate 507 and the second inclined plate 19, the elastic rebound of the extrusion spring 17 is used to extrude the limiting disc 18 to insert the clamping block 21 into the limiting hole 20, thereby installing and limiting the activated carbon filter plate 506. The disassembly and assembly are convenient, the working strength of the maintenance personnel is saved, and the working efficiency is improved. The bottom of the rack 1 is provided with a base 15, which is installed and fixed on the ground by means of foundation bolts to prevent shaking and maintain the stability of the structure.

[0039] The above is only a preferred specific embodiment of the application, but the protection scope of the application is not limited thereto. Any skilled person in the art can make equivalent replacements or changes to the technical solution and the inventive concept of the application within the technical scope disclosed by the application, which should be covered within the protection scope of the application.

Claims

1. A wire mesh roll welding machine, comprising a frame (1), a support platform (2) provided on the frame (1), and staggered laser generators (3) provided above the support platform (2), one end of which is mounted on the frame (1), characterized in that, Also includes: A winding assembly (4) is set between the laser generator (3) and the support platform (2) for pulling the wire mesh for welding; The filter assembly (5) is set on one side surface of the frame (1), with one end extending into the winding assembly (4) for adsorbing and filtering the fumes generated by welding on the winding assembly (4). The cooling component (6) is located below the winding component (4) and connected to the filter component (5) for cooling and reducing the residual welding slag on the winding component (4); The winding assembly (4) includes: The first drive unit (401) is mounted on the frame (1), and the output end of the first drive unit (401) is connected to the connecting shaft (402). A winding cylinder (403) is fixedly connected at one end to a connecting shaft (402), and the other end of the winding cylinder (403) is rotatably connected to a fixed sleeve (407) via a bearing. A limiting plate (408) is installed on the surface of the fixed sleeve (407), and the bottom of the limiting plate (408) is fixedly connected to the support platform (2). The protrusions (404) are evenly distributed on the surface of the winding cylinder (403). The surface of the winding cylinder (403) is provided with air intake holes (405) between two adjacent protrusions (404). A filter screen (406) is provided in the air intake hole (405). The filter component (5) includes: The suction pipe (501) is installed on the inner wall of the frame (1), with one end passing through the fixed sleeve (407) and extending into the winding drum (403). The surface of the suction pipe (501) is located inside the winding drum (403) and is equipped with suction heads (502) that are evenly distributed. The second drive unit (503) is installed on one side surface of the frame (1). One end of the second drive unit (503) is connected to the suction pipe (501), and the other end of the second drive unit (503) is connected to the air supply pipe (504). The processing box (505) is mounted on the surface of the frame (1). The bottom of the processing box (505) is connected to the gas supply pipe (504). The surface of the processing box (505) is rotatably connected to the box door (508) by a hinge. Activated carbon filter plates (506) are arranged in an alternating pattern inside the treatment box (505), and the inner wall of the treatment box (505) is provided with a first inclined plate (507). The cooling assembly (6) includes: A connecting pipe (601) is connected at one end to a processing box (505), and a conduit (602) is connected at the other end of the connecting pipe (601). A diversion pipe (603) is connected at the end of the conduit (602). The nozzles (604) are installed at equal intervals on the split pipe (603); A scraper (606) is disposed between two adjacent nozzles (604). The bottom of the scraper (606) is connected to a support rod (605) fixed on the diverter pipe (603). The surface of the scraper (606) is in contact with the winding drum (403).

2. The wire mesh roll welding machine according to claim 1, characterized in that, The top of the support platform (2) is equipped with a collection hopper (7), which is located directly below the winding assembly (4). The conduit (602) passes through the connecting plate (8), which is fixedly connected to the frame (1).

3. The wire mesh roll welding machine according to claim 1, characterized in that, A storage box (14) is installed on one side surface of the rack (1), and a base (15) is provided at the bottom of the rack (1).

4. The wire mesh roll welding machine according to claim 1, characterized in that, The surface of the frame (1) is rotatably connected to a tension roller (9) via a bearing, and the tension roller (9) is located on one side of the winding assembly (4).

5. A wire mesh roll welding machine according to claim 1, characterized in that, A support plate (10) is fixed on one side surface of the frame (1), and a material threading shaft (11) is rotatably connected to the surface of the support plate (10) via a bearing.

6. A wire mesh roll welding machine according to claim 5, characterized in that, The surface of the support plate (10) is equipped with symmetrically distributed third drive units (12) on one side of the material threading shaft (11), and the output end of the third drive unit (12) is connected to an adjustment plate (13).

7. A wire mesh roll welding machine according to claim 1, characterized in that, One end of the activated carbon filter plate (506) is connected to a connector (16), which is slidably connected to the first inclined plate (507). A compression spring (17) is provided on the connector (16), and a limiting plate (18) is connected to the end of the compression spring (17). The limiting plate (18) is slidably connected inside the connector (16), and a locking block (21) is connected to the end of the limiting plate (18). The locking block (21) slides through the limiting hole (20), and one end of the limiting hole (20) is fixed to the inner wall of the treatment box (505).

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