Dustproof device for pump valve

Abstract

The application relates to the auxiliary technical field of pump valve equipment, and discloses a dustproof device for a pump valve, which comprises a pump body assembly, a dustproof assembly is installed on the outer side of the pump body assembly, a valve body assembly is fixedly installed at the upper end of the pump body assembly, the pump body assembly is used for conveying liquid, the dustproof assembly provides a dustproof function for the pump body assembly, the valve body assembly is used for providing on-off control for the liquid conveying of the pump body assembly, the pump body assembly comprises a pump body piece, a fixing ring is fixedly installed at the front end of the pump body piece, a pump cover piece is fixedly installed at the front end of the fixing ring, an input end is arranged at the front end of the pump cover piece, a connecting flange end is arranged at the upper end of the pump cover piece, an output flange end is fixedly installed at the upper end of the connecting flange end, four uniformly-distributed shaft sleeve pieces are fixedly installed at the rear side of the fixing ring, and an end ring plate is fixedly sleeved at the rear end of the pump body piece. The device has the dustproof function of the pump body, and the device can clean the inside of the valve pipe.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of pump valve equipment auxiliary, more particularly to a dustproof device for pump valve dust prevention. BACKGROUND

[0002] The pump is a device for liquid delivery, and the pump often needs to use a valve for delivery control in use, so the pump is often used in combination with the valve. However, the pump valve equipment in the prior art has the following disadvantages in actual use.

[0003] Firstly, the pump valve equipment in the prior art is often exposed to the outside world in use, and the dust and impurities in the outside world will be attached and accumulated on the surface of the pump shell to cause pollution. The pump valve equipment in the prior art does not have a dustproof function for the shell.

[0004] Secondly, the pump valve device in the prior art often uses a butterfly valve to control the pipeline of the pump body in use. The valve disc of the butterfly valve will be attached to the impurities carried by the fluid in the pipeline for a long time. In the long run, the valve disc is polluted and the thickness is increased, which can easily affect the control of the pipeline. The pump valve device in the prior art does not have a function of automatically cleaning the valve disc in the valve.

[0005] Therefore, in order to solve the above problems, a dustproof device for pump valve dust prevention is needed. SUMMARY

[0006] In order to overcome the above-mentioned defects of the prior art, the present application provides a dustproof device for pump valve dust prevention to solve the problems in the background art.

[0007] The present application provides the following technical scheme: a dustproof device for pump valve dust prevention, comprising a pump body assembly, a dustproof assembly is installed on the outer side of the pump body assembly, a valve body assembly is fixedly installed on the upper end of the pump body assembly, the pump body assembly is used for liquid delivery, the dustproof assembly provides a dustproof function for the pump body assembly, and the valve body assembly is used for switch control of the liquid delivery of the pump body assembly.

[0008] The pump body assembly comprises a pump body piece, a fixing ring is fixedly installed at the front end of the pump body piece, a pump cover piece is fixedly installed at the front end of the fixing ring, an input end is arranged at the front end of the pump cover piece, a connecting flange end is arranged at the upper end of the pump cover piece, an output flange end is fixedly installed at the upper end of the connecting flange end, four shaft sleeve pieces are fixedly installed on the rear side of the fixing ring, an end ring plate is fixedly sleeved at the rear end of the pump body piece, four shaft holes corresponding to the shaft sleeve pieces are arranged in the end ring plate, and suction grooves are arranged on both sides of the end ring plate. Fluid is input from the input end into the pump body piece, and the fluid is discharged outward from the output flange end under the driving of the driving piece in the pump body piece.

[0009] Further, the dustproof assembly comprises four lead screws, the shaft bodies of the lead screws are movably sleeved on the shaft sleeves and the shaft holes at the two ends of the shaft bodies, the lead screws are drivingly sleeved with curved brush assemblies, the shaft bodies of the lead screws are fixedly connected with cleaning brush motors at the ends, the cleaning brush motors are fixedly installed on the outer side of the end ring plate, the dustproof cover is fixedly installed on the side of the end ring plate and the fixing ring, and the dustproof cover covers the pump body.

[0010] Further, the rear end of the end ring plate is fixedly connected with an air suction bin, the air suction bin is fixedly connected with the air suction groove, the air suction bin is fixedly connected with an interval plate, the interval plate is fixedly connected with an air suction box, the inner side wall of the air suction box is fixedly installed with a filter plate, the end of the air suction box is fixedly installed with a mounting plate, and the fan is fixedly installed on the mounting plate. The dustproof cover is arranged to protect the outer side of the pump body. When the outer side of the pump body and the inner side of the dustproof cover are contaminated with dust and impurities, the lead screw is driven to rotate by the cleaning brush motor, the curved brush assembly is driven to move by the rotation of the lead screw, and the dust and impurities on the outer side of the pump body and the inner side of the dustproof cover are cleaned. At the same time, the fan is started to discharge air outward to generate negative pressure in the air suction box. The dust and impurities on the inner side of the dustproof cover are sucked into the air suction box through the air suction bin, and the filter plate filters and intercepts the dust and impurities.

[0011] Further, the valve body assembly comprises an outlet pipe, the outlet pipe is fixedly installed at the upper end of the output flange end, the side of the outlet pipe is provided with a valve hole, the valve hole movably sleeves a valve shaft, the valve shaft is fixedly installed with a valve clack, one end of the shaft body of the valve shaft is fixedly installed with a hand wheel, the other end of the shaft body of the valve shaft is sleeved with a shaft limiting sleeve, the side of the outlet pipe is fixedly installed with a side pipe, the side pipe and the outlet pipe are in communication, and the outer end of the side pipe is fixedly installed with a sealing pipe plate.

[0012] Further, the sealing pipe plate is fixedly installed with a cylinder, the cylinder movably sleeves a piston shaft, the end of the piston shaft is fixedly installed with a sleeving shaft, the sleeving shaft is provided with uniformly distributed grooves, the shaft body of the piston shaft is fixedly sleeved with uniformly distributed elastic brush strips, the elastic brush strips can bend and shrink on the inner wall of the side pipe, the end of the cylinder is fixedly connected with a pressure relief pipe, the pipe end of the pressure relief pipe is fixedly connected with the pipe bottom end of the outlet pipe, and a pressure relief valve is arranged at the pipe connection of the pressure relief pipe and the outlet pipe.

[0013] Further, the side of the liquid outlet pipe is provided with a side hole, a sealing bearing is sleeved in the side hole, an inner ring of the sealing bearing is sleeved with a sleeve concave shaft, the inside of the sleeve concave shaft is provided with uniformly distributed convex points, the sleeve concave shaft and the sleeve shaft are aligned with each other, the shaft body of the sleeve concave shaft is fixedly connected with a cleaning motor, the cleaning motor is fixedly connected with a fixing piece, the fixing piece is fixedly installed on the outer side of the liquid outlet pipe, the elastic brush strip is located below the valve disc when it is stretched out, after the pump body assembly is started, the valve disc is controlled to close the pipeline of the liquid outlet pipe, at this time, the pressure relief valve is opened, the fluid is injected into the cylinder through the pressure relief pipe, so as to push the piston shaft to stretch out, after the piston shaft is completely stretched out, the sleeve shaft and the sleeve concave shaft are sleeved with each other, and the convex points are sunk into the groove provided in the sleeve shaft, at this time, the elastic brush strip is moved out of the inner wall of the side pipe, the elastic brush strip is located below the valve disc and is stretched to contact the valve disc, the cleaning motor drives the sleeve concave shaft to rotate, the sleeve concave shaft drives the piston shaft to rotate, the piston shaft drives the elastic brush strip to rotate, and the elastic brush strip rotating can clean the surface of the valve disc in contact with it.

[0014] Technical effects and advantages of the present application:

[0015] 1. The present application is provided with a dustproof assembly, the outer side of the pump body part is protected from dust by the dust cover, when the outer side of the pump body part and the inner side of the dust cover are contaminated with dust and impurities, the cleaning motor can drive the lead screw shaft to rotate, the lead screw shaft drives the curved brush part to move, thereby cleaning the dust and impurities on the outer side of the pump body part and the inner side of the dust cover, at the same time, the fan is started to exhaust air outward to generate negative pressure in the air suction box, the dust and impurities on the inner side of the dust cover are sucked into the air suction box through the air suction chamber, and the filter plate filters and intercepts them, the airflow is discharged outward from the fan, and the above structure realizes the dustproof function of the surface of the pump body part.

[0016] 2. The present application is provided with a valve body assembly, after the pump body assembly is started, the valve disc is controlled to close the pipeline of the liquid outlet pipe, at this time, the pressure relief valve is opened, the fluid is injected into the cylinder through the pressure relief pipe, so as to push the piston shaft to stretch out, after the piston shaft is completely stretched out, the sleeve shaft and the sleeve concave shaft are sleeved with each other, and the convex points are sunk into the groove provided in the sleeve shaft, at this time, the elastic brush strip is moved out of the inner wall of the side pipe, the elastic brush strip is located below the valve disc and is stretched to contact the valve disc, the cleaning motor drives the sleeve concave shaft to rotate, the sleeve concave shaft drives the piston shaft to rotate, the piston shaft drives the elastic brush strip to rotate, and the elastic brush strip rotating can clean the surface of the valve disc in contact with it, thereby realizing the cleaning function of the surface of the valve disc, at the same time, the rotation of the elastic brush strip can stir the fluid in the pipeline, thereby preventing the phenomenon of blockage. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0018] Figure 2Structure diagram of pump body assembly of the present application.

[0019] Figure 3 Structure diagram of end ring plate of the present application.

[0020] Figure 4 Structure diagram of dustproof assembly of the present application.

[0021] Figure 5 Structure diagram of filter plate of the present application.

[0022] Figure 6 Structure diagram of valve body assembly of the present application.

[0023] Figure 7 Structure diagram of elastic brush strip of the present application.

[0024] Figure 8 Structure diagram of sleeve fitting recessed shaft of the present application.

[0025] The reference signs are as follows: 1, pump body assembly; 101, pump body piece; 102, fixing ring; 103, pump cover piece; 104, input end; 105, connecting flange end; 106, output flange end; 107, shaft sleeve piece; 108, end ring plate; 109, shaft hole; 110, suction groove; 2, dustproof assembly; 201, screw shaft; 202, curved brush piece; 203, cleaning motor; 204, dust cover; 205, air suction chamber; 206, interval plate; 207, air suction box; 208, filter plate; 209, mounting plate; 210, fan; 3, valve body assembly; 301, liquid outlet pipe; 302, valve hole; 303, valve shaft; 304, valve flap; 305, hand wheel; 306, shaft limiting sleeve; 307, side pipe; 308, sealing pipe plate; 309, cylinder; 310, piston shaft; 311, sleeve fitting shaft; 312, elastic brush strip; 313, pressure relief pipe; 314, pressure relief valve; 315, side hole; 316, sealing bearing; 317, sleeve fitting recessed shaft; 318, convex point; 319, cleaning motor; 320, fixing piece. DETAILED DESCRIPTION

[0026] The technical solutions in the present application will be described clearly and completely below in combination with the drawings in the present application, and additionally, the forms of each structure described in the following embodiments are only examples, and the dustproof device for pump valve dust prevention involved in the present application is not limited to each structure described in the following embodiments, and all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the present application.

[0027] REFERENCE Figure 1The application provides a dustproof device for a pump valve, which comprises a pump body assembly 1, a dustproof assembly 2 is installed on the outer side of the pump body assembly 1, and a valve body assembly 3 is fixedly installed at the upper end of the pump body assembly 1.

[0028] In the embodiment, the pump body assembly 1 is used for conveying liquid, the dustproof assembly 2 provides the function of dustproof protection for the pump body assembly 1, the valve body assembly 3 is used for providing the function of on-off control for the liquid conveying of the pump body assembly 1, and the valve body assembly 3 has a certain cleaning function, and the specific structure and working principle of each assembly will be described in detail below.

[0029] With reference to Figure 2 and Figure 3 , the pump body assembly 1 comprises a pump body piece 101, a fixed ring 102 is fixedly installed at the front end of the pump body piece 101, a pump cover piece 103 is fixedly installed at the front end of the fixed ring 102, an input end 104 is arranged at the front end of the pump cover piece 103, a connecting flange end 105 is arranged at the upper end of the pump cover piece 103, an output flange end 106 is fixedly installed at the upper end of the connecting flange end 105, four shaft sleeve pieces 107 are fixedly installed on the rear side of the fixed ring 102, an end ring plate 108 is fixedly sleeved at the rear end of the pump body piece 101, four shaft holes 109 corresponding to the shaft sleeve pieces 107 are formed in the end ring plate 108, and suction grooves 110 are formed on the two sides of the end ring plate 108.

[0030] In the embodiment, fluid is input into the pump body piece 101 from the input end 104, and the fluid is discharged outward from the output flange end 106 under the driving of the driving piece in the pump body piece 101, so that the specific internal structure and working principle of the structure are not described in detail in the embodiment, because the structure is a conventional technical means used by the person skilled in the art.

[0031] With reference to Figure 4 and Figure 5The dustproof assembly 2 comprises four screw shafts 201, the two ends of the shaft bodies of the screw shafts 201 are movably sleeved on the shaft sleeve 107 and the shaft hole 109, the screw shaft 201 is drivingly sleeved with a curved brush 202, the end of the shaft body of the screw shaft 201 is fixedly connected with a cleaning brush motor 203, the cleaning brush motor 203 is fixedly installed on the outer side of the end ring plate 108, the end ring plate 108 and the side of the fixed ring 102 are fixedly installed with a dust cover 204, the dust cover 204 sleeves the pump body 101, the rear end of the end ring plate 108 is fixedly connected with an air suction bin 205, the air suction bin 205 is fixedly connected with the air suction groove 110, the air suction bin 205 is fixedly connected with an interval plate 206, the interval plate 206 is fixedly connected with an air suction box 207, the inner side wall of the air suction box 207 is fixedly installed with a filter plate 208, the end of the air suction box 207 is fixedly installed with a mounting plate 209, and the mounting plate 209 is fixedly installed with a fan 210.

[0032] In the embodiment, the dust cover 204 is arranged to prevent dust from the outer side of the pump body 101, when the outer side of the pump body 101 and the inner side of the dust cover 204 are contaminated by dust, the cleaning brush motor 203 drives the screw shaft 201 to rotate, the screw shaft 201 drives the curved brush 202 to move, thereby cleaning the dust on the outer side of the pump body 101 and the inner side of the dust cover 204, at the same time, the fan 210 is started to discharge air outward to generate negative pressure in the air suction box 207, the dust on the inner side of the dust cover 204 is sucked into the air suction box 207 through the air suction bin 205, the filter plate 208 filters and intercepts the dust, and the air flow is discharged outward from the fan 210, thereby achieving the dustproof function of the surface of the pump body 101.

[0033] Referring to Figure 6-8The valve body assembly 3 comprises a liquid outlet pipe 301 fixedly installed on the upper end of the output flange end 106, a valve hole 302 is formed on the side of the liquid outlet pipe 301, a valve shaft 303 is movably sleeved in the valve hole 302, a valve clack 304 is fixedly installed on the valve shaft 303, a hand wheel 305 is fixedly installed on one end of the shaft body of the valve shaft 303, an axial limiting sleeve 306 is sleeved on the other end of the shaft body of the valve shaft 303, a side pipe 307 is fixedly installed on the side of the liquid outlet pipe 301, the side pipe 307 and the liquid outlet pipe 301 are in communication with each other, a sealing pipe plate 308 is fixedly installed on the outer end of the side pipe 307, a cylinder 309 is fixedly installed on the sealing pipe plate 308, a piston shaft 310 is movably sleeved in the cylinder 309, a sleeving shaft 311 is fixedly installed on the tail end of the piston shaft 310, grooves are formed on the sleeving shaft 311, elastic brush strips 312 are movably sleeved on the shaft body of the piston shaft 310, the elastic brush strips 312 can be bent and contracted on the inner wall of the side pipe 307, a pressure relief pipe 313 is fixedly connected to the tail end of the cylinder 309, the tail end of the pressure relief pipe 313 is fixedly connected to the bottom end of the liquid outlet pipe 301, a pressure relief valve 314 is arranged at the connection position of the pressure relief pipe 313 and the liquid outlet pipe 301, a side hole 315 is formed on the side of the liquid outlet pipe 301, a sealing bearing 316 is sleeved in the side hole 315, a sleeving concave shaft 317 is sleeved on the inner ring of the sealing bearing 316, protrusions 318 are uniformly arranged in the sleeving concave shaft 317, the sleeving concave shaft 317 is aligned with the sleeving shaft 311, a cleaning motor 319 is fixedly connected to the shaft body of the sleeving concave shaft 317, a fixing member 320 is fixedly connected to the cleaning motor 319, the fixing member 320 is fixedly installed on the outer side of the liquid outlet pipe 301, and the elastic brush strips 312 are located below the valve clack 304 when they are extended.

[0034] In the embodiment, when the pump body assembly 1 is started, the valve clack 304 is controlled to close the pipeline of the liquid outlet pipe 301, at this time, the pressure relief valve 314 is opened, the fluid is injected into the cylinder 309 through the pressure relief pipe 313, so as to drive the piston shaft 310 to extend, after the piston shaft 310 is completely extended, the sleeving shaft 311 is sleeved with the sleeving concave shaft 317, and the protrusions 318 are arranged in the grooves formed on the sleeving shaft 311, at this time, the elastic brush strips 312 are moved out of the inner wall of the side pipe 307, the elastic brush strips 312 are located below the valve clack 304 and are in contact with the valve clack 304, the cleaning motor 319 drives the sleeving concave shaft 317 to rotate, the sleeving concave shaft 317 drives the piston shaft 310 to rotate, the piston shaft 310 drives the elastic brush strips 312 to rotate, the rotation of the elastic brush strips 312 can clean the surface of the valve clack 304, so as to realize the cleaning function of the surface of the valve clack 304, and the rotation of the elastic brush strips 312 can stir the fluid in the pipeline, so as to prevent the fluid from being blocked.

[0035] The working principle of the present application: the dust cover 204 is arranged to prevent dust from the outer side of the pump body 101, when the outer side of the pump body 101 and the inner side of the dust cover 204 are contaminated with dust and impurities, the cleaning brush motor 203 can drive the lead screw shaft 201 to rotate, the lead screw shaft 201 rotates to drive the curved brush 202 to move, thereby cleaning the dust and impurities on the outer side of the pump body 101 and the inner side of the dust cover 204, at the same time, the fan 210 starts to exhaust air outward to generate negative pressure in the suction box 207, the dust and impurities on the inner side of the dust cover 204 are sucked into the suction box 207 through the suction chamber 205, and the filter plate 208 filters and intercepts them, the airflow is discharged outward from the fan 210, and the above structure realizes the dustproof function of the surface of the pump body 101, when the pump assembly 1 is started, the control valve 304 closes the pipeline of the outlet pipe 301, at this time, the pressure relief valve 314 is opened, the fluid is injected into the cylinder 309 through the pressure relief pipe 313, thereby pushing the piston shaft 310 to extend, the sleeve shaft 311 is sleeved with the sleeve recess shaft 317 after completely extending, and the convex point 318 is inserted into the groove of the sleeve shaft 311, at this time, the elastic brush strip 312 is moved out of the inner wall of the side pipe 307, the elastic brush strip 312 is located below the valve 304 and extends to contact the valve 304, the cleaning motor 319 drives the sleeve recess shaft 317 to rotate, the sleeve recess shaft 317 rotates to drive the piston shaft 310 to rotate, the piston shaft 310 rotates to drive the elastic brush strip 312 to rotate, the rotation of the elastic brush strip 312 can clean the surface of the valve 304 in contact with it, thereby realizing the cleaning function of the surface of the valve 304, and the rotation of the elastic brush strip 312 can stir the fluid in the pipeline, thereby preventing the fluid from being blocked.

[0036] Finally, it should be pointed out that: first, in the description of the present application, it should be pointed out that unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0037] Secondly: the present application discloses the structure involved in the embodiment of the present application, other structures can refer to the usual design, and the same embodiment and different embodiments of the present application can be combined with each other under the condition of no conflict;

[0038] Finally: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A dustproof device for a pump valve dustproof, characterized by, Including pump body assembly (1), the outer side of pump body assembly (1) is installed with dustproof assembly (2), and the upper end of pump body assembly (1) is fixedly installed with valve body assembly (3); The pump body assembly (1) includes a pump body piece (101), the front end of the pump body piece (101) is fixedly installed with a fixed ring (102), the front end of the fixed ring (102) is fixedly installed with a pump cover piece (103), the front end of the pump cover piece (103) is provided with an input end (104), the upper end of the pump cover piece (103) is provided with a connecting flange end (105), the upper end of the connecting flange end (105) is fixedly installed with an output flange end (106), the rear side of the fixed ring (102) is fixedly installed with four evenly distributed shaft sleeve pieces (107), the rear end of the pump body piece (101) is fixedly sleeved with an end ring plate (108), four shaft holes (109) corresponding to the shaft sleeve pieces (107) are formed in the end ring plate (108), and suction grooves (110) are formed on both sides of the end ring plate (108); the valve body assembly (3) includes a liquid outlet pipe (301), the liquid outlet pipe (301) is fixedly installed at the upper end of the output flange end (106), a valve hole (302) is formed in the side surface of the liquid outlet pipe (301), a valve shaft (303) is movably sleeved in the valve hole (302), a valve clack (304) is fixedly installed on the valve shaft (303), a hand wheel (305) is fixedly installed at one end of the shaft body of the valve shaft (303), an axle limiting sleeve (306) is sleeved at the other end of the shaft body of the valve shaft (303), a side pipe (307) is fixedly installed on the side surface of the liquid outlet pipe (301), the side pipe (307) and the liquid outlet pipe (301) are in communication, and a sealing pipe plate (308) is fixedly installed at the outer end of the side pipe (307); A cylinder (309) is fixedly installed on the sealing pipe plate (308), a piston shaft (310) is movably sleeved in the cylinder (309), a sleeve shaft (311) is fixedly installed at the end of the piston shaft (310), recesses are formed in the sleeve shaft (311), elastic brush strips (312) are fixedly sleeved on the shaft body of the piston shaft (310), the elastic brush strips (312) can be bent and contracted on the inner wall of the side pipe (307), a pressure relief pipe (313) is fixedly connected to the end of the cylinder (309), the pipe end of the pressure relief pipe (313) is fixedly connected to the pipe bottom end of the liquid outlet pipe (301), and a pressure relief valve (314) is arranged at the pipe connection position of the pressure relief pipe (313) and the liquid outlet pipe (301). The side of the liquid outlet pipe (301) is provided with a side hole (315), the side hole (315) is sleeved with a sealing bearing (316), the inner ring of the sealing bearing (316) is sleeved with a sleeve concave shaft (317), the inside of the sleeve concave shaft (317) is provided with uniformly distributed convex points (318), the sleeve concave shaft (317) is aligned with the sleeve shaft (311), the shaft body of the sleeve concave shaft (317) is fixedly connected with a cleaning motor (319), the cleaning motor (319) is fixedly connected with a fixing piece (320), the fixing piece (320) is fixedly installed on the outer side of the liquid outlet pipe (301), the elastic brush bar is located below the valve (304) when it is stretched out, and the rotation of the elastic brush bar (312) can clean the surface of the valve (304) in contact with it.

2. The dustproof device for pump valve dust prevention according to claim 1, characterized in that: The dustproof assembly (2) comprises lead screws (201), the number of the lead screws (201) is four, and the shaft bodies of the lead screws (201) are movably sleeved on the shaft sleeve (107) and the shaft hole (109) at both ends, the lead screws (201) are drivingly sleeved with curved brush pieces (202), the shaft bodies of the lead screws (201) are fixedly connected with cleaning motors (203) at the ends, the cleaning motors (203) are fixedly installed on the outer side of the end ring plate (108), the dust cover (204) is fixedly installed on the side of the end ring plate (108) and the fixed ring (102), and the dust cover (204) covers the pump body (101).

3. The dustproof device for pump valve dust prevention according to claim 1, characterized in that: The rear end of the end ring plate (108) is fixedly connected with an air suction bin (205), the air suction bin (205) is fixedly connected with the suction groove (110), the air suction bin (205) is fixedly connected with an interval plate (206), the interval plate (206) is fixedly connected with an air suction box (207), the inner side wall of the air suction box (207) is fixedly installed with a filter plate (208), and the end of the air suction box (207) is fixedly installed with a mounting plate (209).

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