Dust removal device for synthetic leather processing

Abstract

The utility model relates to a dust removal device for synthetic leather processing. The dust removal device comprises a conveying table, a machining frame is fixedly connected to the top of the conveying table. Two sets of sliding grooves are formed in the side wall of the machining frame. Every two sliding grooves form a group. The two groups of sliding grooves are oppositely arranged; sliding rails are slidably connected to the middles of the two sliding grooves. A grinding machine is slidably connected to the middle of the sliding rail. The side walls of the two grinding machines are rotationally connected with a grinding roller. A dust collector is fixedly connected to the side wall of the machining frame. The bottom of the dust collector is fixedly connected with a first dust collection pipe; the end part of the first dust suction pipe is fixedly connected with a dust removal box; a filter screen is fixedly connected to the middle of the dust removal box; the filter screen is fixedly connected to the interior of the dust removal box; and dust generated in the synthetic leather polishing process can be cleaned in time through the multiple sets of dust collection holes, the dust concentration of air in the working environment can be effectively reduced, and pollution of the dust to equipment and a working area is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of synthetic leather processing, in particular to a dust removal device for synthetic leather processing. Background Technique

[0002] Synthetic leather is a plastic product that simulates the composition and structure of natural leather and can be used as a substitute material. Synthetic leather has certain air permeability and is widely used.

[0003] During the processing of synthetic leather, it needs to be polished to adjust the surface roughness and flatness of the synthetic leather to obtain the required appearance and feel. In the prior art, by placing the synthetic leather at the bottom of the polishing equipment, after adjusting the position of the equipment, the grinding wheel or sand belt rotates at high speed, and the grinding force is controlled to polish the surface of the synthetic leather.

[0004] During the processing and polishing of synthetic leather, a large amount of dust will be generated in the working area. Some dust will adhere to the surface of the synthetic leather, causing defects on the surface of the synthetic leather, thereby reducing the production quality of the synthetic leather. Content of the Utility Model

[0005] To solve the above technical problems, the utility model provides a dust removal device for synthetic leather processing.

[0006] In an embodiment of the utility model, it includes a conveying table; a processing frame is fixedly connected to the top of the conveying table; two groups of sliding grooves are opened on the side wall of the processing frame; two of the sliding grooves are in a group; the two groups of sliding grooves are arranged oppositely; a sliding rail is slidably connected to the middle of the two sliding grooves; a grinding machine is slidably connected to the middle of the sliding rail; grinding drums are rotatably connected to the side walls of the two grinding machines; a dust collector is fixedly connected to the side wall of the processing frame; a first dust suction pipe is fixedly connected to the bottom of the dust collector; a dust removal box is fixedly connected to the end of the first dust suction pipe; a filter screen is fixedly connected to the middle of the dust removal box; the filter screen is fixedly connected inside the dust removal box; a water inlet pipe is fixedly connected to the middle of the dust removal box; a connecting pipe is fixedly connected to the middle of the dust removal box; the connecting pipe penetrates through the side wall of the processing frame in the middle; a telescopic hose is fixedly connected to the end of the connecting pipe; a second dust suction pipe is fixedly connected to the bottom of the grinding machine; the end of the telescopic hose is fixedly connected to the middle of the second dust suction pipe; two groups of dust suction holes are opened in the middle of the second dust suction pipe; the two groups of dust suction holes are arranged oppositely; the two groups of dust suction holes are arranged on both sides of the grinding drum; through the multi-group dust suction holes, the dust generated during the grinding of the synthetic leather can be cleaned in time, which can effectively keep the surface of the synthetic leather clean and free of impurities during the grinding process, and can effectively reduce the dust concentration in the air of the working environment and reduce the pollution of the dust to the equipment and the working area.

[0007] In an embodiment of the present utility model, multiple groups of telescopic rods are fixedly connected to the bottom of the second dust suction pipe; multiple groups of springs are fixedly connected to the bottom of the second dust suction pipe; multiple groups of the springs are fixedly connected to the outside of the telescopic rods; a support seat is fixedly connected to the end of the telescopic rod and the spring; a ball is rotatably connected to the middle of the support seat; by pressing and fixing the synthetic leather during the processing and grinding process through the ball, the stability during the grinding of the synthetic leather can be effectively increased, and the synthetic leather can be moved during the process of pressing it through the ball.

[0008] In an embodiment of the present utility model, a support rod is fixedly connected to the bottom of the processing frame; the support rod is fixedly connected to one side of the processing frame; multiple groups of brushes are fixedly connected to the bottom of the support rod; through the brushes, the fine texture on the surface of the synthetic leather can be penetrated, and the residual dust and debris impurities can be thoroughly removed, effectively increasing the smoothness and cleanliness of the surface of the synthetic leather.

[0009] In an embodiment of the present utility model, an air pump is fixedly connected to the side wall of the processing frame; an air outlet pipe is fixedly connected to the bottom of the air pump; the middle of the support rod is hollow; the end of the air outlet pipe is fixedly connected to the middle of the support rod; multiple groups of air outlet holes are provided in the middle of the support rod; multiple groups of the air outlet holes are equidistantly distributed in the middle of the support rod; by blowing air onto the surface after the synthetic leather is ground, the residual dust and debris on the surface of the synthetic leather can be effectively dispersed further, and the dust being carried out by the synthetic leather can be effectively reduced, so that the dust can remain inside the processing frame.

[0010] In an embodiment of the present utility model, an air collection groove is provided on the side wall of the processing frame; a through hole is provided at the bottom of the air collection groove; a protective door is hinged to the side wall of the processing frame; the protective door is arranged on the side away from the support rod; an exhaust fan is fixedly connected to the side wall of the processing frame; the exhaust fan is fixedly connected to the side away from the dust collector; an exhaust pipe is fixedly connected to the middle of the exhaust fan; the middle of the exhaust pipe penetrates through the side wall of the processing frame; through the through hole, the waste gas can effectively enter the inside of the air collection groove for collection, and the direct emission of harmful gases into the air and the pollution of the working environment can be effectively reduced.

[0011] In an embodiment of the present utility model, two grooves are provided in the middle of the air collection groove; the two grooves are arranged oppositely; an adsorption plate is slidably connected to the middle of the two grooves; an exhaust pipe is fixedly connected to the top of the processing frame; the bottom of the exhaust pipe is arranged inside the air collection groove; through the adsorption plate, the harmful gases in the waste gas can be effectively adsorbed, and the waste gas can be effectively purified and the harmful substances can be removed.

[0012] In an embodiment of the present utility model, a sealing gasket is fixedly connected to the middle of the protective door; the sealing gasket is fixedly connected to the side close to the processing frame; through the sealing gasket, the leakage of the gas inside the air collection groove can be effectively reduced, and the loss of the waste gas can be effectively reduced.

[0013] In an embodiment of the present utility model, a gas collecting hood is fixedly connected to the top of the processing frame; the gas collecting hood is fixedly connected inside the processing frame; the top of the gas collecting hood is arranged at the position corresponding to the through hole; through the gas collecting hood, the waste gas can be accurately guided into the through hole, effectively reducing the unorganized emission of the waste gas and concentrating the waste gas.

[0014] The above technical solution of the present utility model has the following advantages compared with the prior art:

[0015] For a dust removal device for synthetic leather processing of the present utility model, through a plurality of dust suction holes, the dust generated during the grinding process of the synthetic leather can be cleaned in time, effectively keeping the surface of the synthetic leather clean during the grinding process, and effectively reducing the dust concentration in the air of the working environment, reducing the pollution caused by the dust to the equipment and the working area.

[0016] For a dust removal device for synthetic leather processing of the present utility model, during the processing and grinding of the synthetic leather, the synthetic leather is pressed and fixed through the balls, which can effectively increase the stability during the grinding of the synthetic leather, and the synthetic leather is moved during the process of pressing the synthetic leather through the balls. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to make the content of the present utility model easier to be clearly understood, the following further details the present utility model according to the specific embodiments of the present utility model in conjunction with the attached drawings.

[0018] Figure 1 is a three-dimensional view of a dust removal device for synthetic leather processing in the present utility model;

[0019] Figure 2 is a structural schematic diagram of the adsorption plate in the present utility model;

[0020] Figure 3 is a structural schematic diagram of the grinding roller in the present utility model;

[0021] Figure 4 is a structural schematic diagram of the filter screen in the present utility model;

[0022] Figure 5 is a structural schematic diagram of the ball in the present utility model;

[0023] Figure 6 is a structural schematic diagram of the sealing gasket in the present utility model;

[0024] Figure 7 is a structural schematic diagram of the protective door in the present utility model;

[0025] Description of the reference numerals in the drawings: 1. Vacuum cleaner; 11. First suction pipe; 12. Dust removal box; 13. Filter screen; 14. Water inlet pipe; 15. Connecting pipe; 16. Telescopic hose; 17. Second suction pipe; 18. Suction hole; 2. Telescopic rod; 21. Spring; 22. Support base; 23. Ball; 3. Support rod; 31. Brush; 4. Air pump; 41. Air outlet pipe; 42. Air outlet hole; 5. Air collecting groove; 51. Through hole; 52. Protection door; 53. Exhaust fan; 54. Exhaust duct; 6. Groove; 61. Adsorption plate; 62. Exhaust pipe; 7. Gasket; 8. Air collecting hood; 9. Conveyor table; 91. Processing rack; 92. Slide groove; 93. Slide rail; 94. Grinder; 95. Grinding roller. Detailed implementation manners

[0026] The following further describes the present utility model in conjunction with the drawings and specific embodiments, so that those skilled in the art can better understand the present utility model and be able to implement it, but the exemplified embodiments shall not be construed as limiting the present utility model.

[0027] Refer to Figures 1 to 7As shown in the figure, a dust removal device for synthetic leather processing according to the present utility model includes a conveying table 9; a processing frame 91 is fixedly connected to the top of the conveying table 9; two groups of sliding grooves 92 are provided on the side wall of the processing frame 91; two of the sliding grooves 92 form a group; the two groups of sliding grooves 92 are arranged oppositely; a slide rail 93 is slidably connected to the middle of the two sliding grooves 92; a grinding machine 94 is slidably connected to the middle of the slide rail 93; grinding drums 95 are rotatably connected to the side walls of the two grinding machines 94; a dust collector 1 is fixedly connected to the side wall of the processing frame 91; a first dust suction pipe 11 is fixedly connected to the bottom of the dust collector 1; the end of the first dust suction pipe 11 is fixedly connected to a dust removal box 12; a filter screen 13 is fixedly connected to the middle of the dust removal box 12; the filter screen 13 is fixedly connected inside the dust removal box 12; a water inlet pipe 14 is fixedly connected to the middle of the dust removal box 12; a connecting pipe 15 is fixedly connected to the middle of the dust removal box 12; the middle of the connecting pipe 15 penetrates through the side wall of the processing frame 91; the end of the connecting pipe 15 is fixedly connected to a telescopic hose 16; a second dust suction pipe 17 is fixedly connected to the bottom of the grinding machine 94; the end of the telescopic hose 16 is fixedly connected to the middle of the second dust suction pipe 17; two groups of dust suction holes 18 are provided in the middle of the second dust suction pipe 17; the two groups of dust suction holes 18 are arranged oppositely; the two groups of dust suction holes 18 are arranged on both sides of the grinding drum 95;During operation, place the synthetic leather to be polished on the conveyor table 9. The synthetic leather is conveyed from one end of the processing rack 91 to the inside through the conveyor table 9. When the synthetic leather enters the inside of the processing rack 91, the conveyor table 9 stops conveying. Control the polishing machine 94 to move inside the slide rail 93 and the chute 92, so that the polishing roller 95 is in contact with the synthetic leather. Control the polishing machine 94 to start the rotation of the polishing roller 95, and control the rotation speed of the polishing roller 95 to polish the synthetic leather. Place an appropriate amount of water at the end of the water inlet pipe 14 inside the dust removal box 12, and control the water flow at the bottom of the connecting pipe 15. Turn on the vacuum cleaner 1 to generate negative pressure inside. During the process of the polishing roller 95 polishing the synthetic leather, a large amount of dust will be generated. The dust generated at the polishing position is sucked in through multiple suction holes 18. When the dust enters the second suction pipe 17, it enters the connecting pipe 15 through the telescopic hose 16. When the polishing machine 94 moves, the telescopic hose 16 moves and stretches simultaneously with the second suction pipe 17. The dust enters the dust removal box 12 through the connecting pipe 15. When passing through the filter screen 13, the large particle dust is blocked by the filter screen 13, and the small particle dust is collected by the vacuum cleaner 1 through the first suction pipe 11. The large particle dust falls into the water at the bottom of the dust removal box 12 after being blocked. Through multiple suction holes 18, the dust generated during the polishing of the synthetic leather can be cleaned in time, effectively reducing the formation of defects caused by dust adhering to the surface of the synthetic leather, effectively reducing the problem of reduced polishing quality caused by dust on the surface of the synthetic leather, effectively keeping the surface of the synthetic leather clean during the polishing process, and effectively reducing the dust concentration in the air in the working environment, reducing the pollution of dust to the equipment and the working area, effectively reducing the problem of wear and damage caused by dust accumulation on the surface of the equipment, effectively increasing the service life of the equipment, effectively keeping the synthetic leather polishing work running stably, effectively reducing the interruption of processing caused by dust pollution, and effectively improving the stability and reliability of the equipment.;

[0028] Refer to Figure 3 and Figure 5As shown, multiple sets of telescopic rods 2 are fixedly connected to the bottom of the second dust suction pipe 17; multiple sets of springs 21 are fixedly connected to the bottom of the second dust suction pipe 17; multiple sets of the springs 21 are fixedly connected to the outside of the telescopic rods 2; the ends of the telescopic rods 2 and the springs 21 are fixedly connected with a support seat 22; a ball 23 is rotatably connected to the middle of the support seat 22; during operation, when the grinding roller 95 moves downward, first the ball 23 contacts the surface of the synthetic leather, and when continuous pressure is applied by the grinding roller 95, the telescopic rod 2 contracts, and the spring 21 elastically contracts along with the support seat 22. The synthetic leather is pressed and positioned through the ball 23, and when the grinding roller 95 moves left and right, the ball 23 rotates flexibly inside the support seat 22. During the process of processing and grinding the synthetic leather through the ball 23, it is pressed and fixed, which can effectively increase the stability during the grinding of the synthetic leather. And during the process of pressing the synthetic leather through the ball 23 and moving, the uniformity and consistency during the grinding process of the synthetic leather can be increased, and the synthetic leather can be firmly fixed during the grinding process, effectively reducing the problems of movement or slippage of the synthetic leather caused by vibration during the grinding process.

[0029] Refer to Figure 1 and Figure 3 As shown, a support rod 3 is fixedly connected to the bottom of the processing frame 91; the support rod 3 is fixedly connected to one side of the processing frame 91; multiple sets of brushes 31 are fixedly connected to the bottom of the support rod 3; during operation, after the synthetic leather is ground, the ground synthetic leather is conveyed out from the other end of the processing frame 91 through the conveying table 9. When the synthetic leather passes through the end of the brush 31 during the movement, the surface of the synthetic leather is cleaned by the end of the brush 31. The brush 31 can penetrate into the fine texture on the surface of the synthetic leather to thoroughly remove the residual dust and debris impurities, effectively increasing the smoothness and cleanliness of the surface of the synthetic leather, effectively reducing the processing difficulty of the synthetic leather in subsequent processing, and effectively reducing the problem of damage to the processing equipment caused by the residual dust and impurities during the subsequent processing.

[0030] Refer to Figure 1 and Figure 3As shown, an air pump 4 is fixedly connected to the side wall of the processing frame 91; the bottom of the air pump 4 is fixedly connected to an air outlet pipe 41; the middle part of the support rod 3 is hollow; the end of the air outlet pipe 41 is fixedly connected to the middle part of the support rod 3; a plurality of air outlet holes 42 are formed in the middle part of the support rod 3; the plurality of air outlet holes 42 are evenly distributed at the middle part of the support rod 3; during operation, when the synthetic leather is polished, the air pump 4 is turned on, so that the air flow inside the air pump 4 is discharged into the support rod 3 through the air outlet pipe 41, and the air flow is discharged to the surface of the synthetic leather through the plurality of air outlet holes 42, and the dust on the surface of the synthetic leather is blown away by the air flow. By blowing air to the surface after the synthetic leather is polished, the residual dust and debris on the surface of the synthetic leather can be effectively blown away further, and the dust carried out by the synthetic leather can be effectively reduced, so that the dust can stay inside the processing frame 91, effectively reducing the problem that the dust drifts to the outside and pollutes the air.

[0031] Refer to Figure 2 , Figure 6 , Figure 7 As shown, a gas collecting groove 5 is formed in the side wall of the processing frame 91; a through hole 51 is formed in the bottom of the gas collecting groove 5; a protective door 52 is hinged to the side wall of the processing frame 91; the protective door 52 is arranged on the side far from the support rod 3; a suction fan 53 is fixedly connected to the side wall of the processing frame 91; the suction fan 53 is fixedly connected to the side far from the dust collector 1; a suction pipe 54 is fixedly connected to the middle of the suction fan 53; the middle of the suction pipe 54 penetrates through the side wall of the processing frame 91; during operation, during the polishing of the synthetic leather, the raw materials contain volatile organic compounds and other chemical substances, and the chemical substances are released into the air due to mechanical action to generate waste gas. After the suction fan 53 is powered on and turned on, the waste gas generated during the polishing of the synthetic leather enters the gas collecting groove 5 through the through hole 51, and the protective door 52 is closed to prevent the waste gas from being discharged into the working environment. The waste gas can effectively enter the gas collecting groove 5 through the through hole 51 for collection, effectively reducing the pollution of the working environment caused by the direct emission of harmful gases into the air, and effectively reducing the inhalation of harmful substances in the waste gas, which may cause harm to health, and effectively increasing the comfort of the working environment.

[0032] Refer to Figure 2 and Figure 3As shown, two grooves 6 are provided in the middle of the air collecting groove 5; the two grooves 6 are arranged oppositely; an adsorption plate 61 is slidably connected in the middle of the two grooves 6; a exhaust pipe 62 is fixedly connected to the top of the processing frame 91; the bottom of the exhaust pipe 62 is arranged inside the air collecting groove 5; during operation, before the synthetic leather is polished, the protective door 52 is opened, activated carbon is loaded into the adsorption plate 61, and the two sides of the adsorption plate 61 are aligned with the two grooves 6. One end of the adsorption plate 61 is slid in the middle of the groove 6, and the adsorption plate 61 is placed in the middle of the air collecting groove 5, and then the protective door 52 is closed to perform the synthetic leather polishing work. When the waste gas enters the air collecting groove 5, the harmful substances are adsorbed by the activated carbon in the adsorption plate 61, and the purified gas is discharged into the air from the middle of the exhaust pipe 62. The adsorption plate 61 can effectively adsorb the harmful gases in the waste gas, effectively purify the waste gas and remove the harmful substances, reduce the pollution of these harmful substances to the working environment, and the groove 6 can facilitate the replacement of the adsorption plate 61, effectively reducing the operation difficulty, thereby improving the work efficiency.

[0033] Refer to Figure 6 As shown, a sealing gasket 7 is fixedly connected to the middle of the protective door 52; the sealing gasket 7 is fixedly connected to the side close to the processing frame 91; during operation, when the protective door 52 is closed, the air collecting groove 5 is sealed by the close contact between the sealing gasket 7 and the surface of the processing frame 91. The sealing gasket 7 can effectively reduce the leakage of the gas inside the air collecting groove 5, effectively reduce the loss of the waste gas, reduce the environmental pollution caused by the waste gas leakage, and can effectively play a role in isolation and dust prevention, effectively maintaining the tightness and stability of the inside of the air collecting groove 5.

[0034] Refer to Figure 3 As shown, a air collecting hood 8 is fixedly connected to the top of the processing frame 91; the air collecting hood 8 is fixedly connected inside the processing frame 91; the top of the air collecting hood 8 is arranged at the corresponding through hole 51 position; during operation, the waste gas is guided by the air collecting hood 8, so that the waste gas completely enters the air collecting groove 5 through the through hole 51 for collection. The air collecting hood 8 can accurately guide the waste gas into the through hole 51, effectively reducing the unorganized emission of the waste gas, concentrating the waste gas, reducing the dispersion of the waste gas to various positions, and reducing the problem of difficult waste gas collection.

[0035] During operation, place the synthetic leather to be polished on the conveyor table 9. The synthetic leather is conveyed from one end of the processing rack 91 to the inside through the conveyor table 9. When the synthetic leather enters the inside of the processing rack 91, the conveyor table 9 stops conveying. Control the polishing machine 94 to move inside the slide rail 93 and the chute 92, so that the polishing roller 95 is in contact with the synthetic leather. Control the polishing machine 94 to start the rotation of the polishing roller 95, and control the rotation speed of the polishing roller 95 to polish the synthetic leather. Place an appropriate amount of water at the end of the water inlet pipe 14 inside the dust removal box 12, and control the water flow at the bottom of the connecting pipe 15. Turn on the vacuum cleaner 1 to generate negative pressure inside. During the process of the polishing roller 95 polishing the synthetic leather, a large amount of dust will be generated. The dust generated at the polishing position is sucked in through multiple suction holes 18. When the dust enters the second suction pipe 17, it enters the connecting pipe 15 through the telescopic hose 16. When the polishing machine 94 moves, the telescopic hose 16 moves and stretches simultaneously with the second suction pipe 17. The dust enters the dust removal box 12 through the connecting pipe 15. When passing through the filter screen 13, the large particle dust is blocked by the filter screen 13, and the small particle dust is collected by the vacuum cleaner 1 through the first suction pipe 11. The large particle dust falls into the water at the bottom of the dust removal box 12 after being blocked. When the polishing roller 95 moves downward, first, the ball 23 contacts the surface of the synthetic leather, and when the polishing roller 95 continuously applies pressure, the telescopic rod 2 contracts, and the spring 21 elastically contracts along with the support seat 22. The synthetic leather is pressed and positioned through the ball 23, and when the polishing roller 95 moves left and right, the ball 23 rotates flexibly inside the support seat 22. After the synthetic leather is polished, the polished synthetic leather is conveyed out from the other end of the processing rack 91 through the conveyor table 9. When the synthetic leather passes by the end of the brush 31 during the movement, the surface of the synthetic leather is cleaned by the end of the brush 31. When the synthetic leather is polished, turn on the air pump 4, so that the air flow inside the air pump 4 is discharged into the support rod 3 through the air outlet pipe 41. The air flow is discharged towards the surface of the synthetic leather through multiple air outlet holes 42, and the dust on the surface of the synthetic leather is blown away by the air flow. During the polishing of the synthetic leather, the raw materials contain volatile organic compounds and other chemical substances. The chemical substances are released into the air due to mechanical action to generate waste gas. After the exhaust fan 53 is powered on and started, the waste gas generated during the polishing of the synthetic leather enters the air collecting tank 5 through the through hole 51. Close the protective door 52 so that the waste gas cannot be discharged into the working environment. Before the synthetic leather is polished, open the protective door 52, put the activated carbon into the adsorption plate 61. Align the two sides of the adsorption plate 61 with the corresponding two grooves 6, slide one end of the adsorption plate 61 in the middle of the groove 6, place the adsorption plate 61 in the middle of the air collecting tank 5, and then close the protective door 52 to carry out the synthetic leather polishing work. When the waste gas enters the air collecting tank 5, the harmful substances are adsorbed by the activated carbon in the adsorption plate 61, and the purified gas is discharged into the air from the middle of the exhaust pipe 62. When the protective door 52 is closed, it is in close contact with the surface of the processing rack 91 through the gasket 7.Seal the inside of the gas collecting groove 5, and direct the waste gas through the gas collecting hood 8 so that the waste gas completely enters the inside of the gas collecting groove 5 through the through hole 51 for collection.

[0036] Obviously, the above embodiments are only examples for clear illustration and are not limitations on the implementation manners. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation manners here. The obvious changes or modifications derived therefrom are still within the protection scope of the present utility model.

Claims

1. A dust removal device for synthetic leather processing, comprising a conveying platform (9); characterized in that: The top of the conveying platform (9) is fixedly connected to a processing frame (91); the side wall of the processing frame (91) is provided with two groups of slide grooves (92); the two slide grooves (92) form a group; the two groups of slide grooves (92) are arranged opposite to each other; the middle parts of the two slide grooves (92) are slidably connected to a slide rail (93); the middle part of the slide rail (93) is slidably connected to a grinder (94); the side walls of the two grinders (94) are rotatably connected to a grinding roller (95); the side wall of the processing frame (91) is fixedly connected to a dust collector (1); the bottom of the dust collector (1) is fixedly connected to a first dust suction pipe (11); the end of the first dust suction pipe (11) is fixedly connected to a dust removal box (12); the middle part of the dust removal box (12) is fixedly connected to a filter screen ( 13); the filter screen (13) is fixedly connected to the inside of the dust removal box (12); a water inlet pipe (14) is fixedly connected to the middle of the dust removal box (12); a connecting pipe (15) is fixedly connected to the middle of the dust removal box (12); the middle of the connecting pipe (15) passes through the side wall of the processing frame (91); the end of the connecting pipe (15) is fixedly connected to a telescopic hose (16); a second dust suction pipe (17) is fixedly connected to the bottom of the grinder (94); the end of the telescopic hose (16) is fixedly connected to the middle of the second dust suction pipe (17); two groups of dust suction holes (18) are opened in the middle of the second dust suction pipe (17); the two groups of dust suction holes (18) are arranged opposite to each other; the two groups of dust suction holes (18) are arranged on both sides of the grinding roller (95).

2. A dust removal device for synthetic leather processing according to claim 1, characterized in that: The bottom of the second dust suction pipe (17) is fixedly connected to a plurality of telescopic rods (2); the bottom of the second dust suction pipe (17) is fixedly connected to a plurality of springs (21); the plurality of springs (21) are fixedly connected to the outside of the telescopic rods (2); the ends of the telescopic rods (2) and the springs (21) are fixedly connected to a support seat (22); a ball bearing (23) is rotatably connected to the middle of the support seat (22).

3. A dust removal device for synthetic leather processing according to claim 2, characterized in that: A support rod (3) is fixedly connected to the bottom of the processing frame (91); the support rod (3) is fixedly connected to one side of the processing frame (91); and a plurality of groups of brushes (31) are fixedly connected to the bottom of the support rod (3).

4. A dust removal device for synthetic leather processing according to claim 3, characterized in that: An air pump (4) is fixedly connected to the side wall of the processing frame (91); an air outlet pipe (41) is fixedly connected to the bottom of the air pump (4); the middle of the support rod (3) is hollow; the end of the air outlet pipe (41) is fixedly connected to the middle of the support rod (3); a plurality of groups of air outlet holes (42) are provided in the middle of the support rod (3); and the plurality of groups of air outlet holes (42) are equidistantly distributed in the middle of the support rod (3).

5. The dust removal device for synthetic leather processing according to claim 4, characterized in that: The side wall of the processing frame (91) is provided with an air collecting groove (5); the bottom of the air collecting groove (5) is provided with a through hole (51); the side wall of the processing frame (91) is hinged with a protective door (52); the protective door (52) is arranged on a side away from the support rod (3); the side wall of the processing frame (91) is fixedly connected with an exhaust fan (53); the exhaust fan (53) is fixedly connected to a side away from the vacuum cleaner (1); the middle part of the exhaust fan (53) is fixedly connected with an exhaust pipe (54); the middle part of the exhaust pipe (54) passes through the side wall of the processing frame (91).

6. The dust removal device for synthetic leather processing according to claim 5, characterized in that: Two grooves (6) are provided in the middle of the gas collecting tank (5); the two grooves (6) are arranged opposite to each other; an adsorption plate (61) is slidably connected in the middle of the two grooves (6); an exhaust pipe (62) is fixedly connected to the top of the processing frame (91); and the bottom of the exhaust pipe (62) is arranged inside the gas collecting tank (5).

7. A dust removal device for synthetic leather processing according to claim 6, characterized in that: A sealing gasket (7) is fixedly connected to the middle of the protective door (52); the sealing gasket (7) is fixedly connected to a side close to the processing frame (91).

8. The dust removal device for synthetic leather processing according to claim 7, characterized in that: The top of the processing frame (91) is fixedly connected with an air collecting hood (8); the air collecting hood (8) is fixedly connected inside the processing frame (91); and the top of the air collecting hood (8) is arranged at a position corresponding to the through hole (51).

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