Low-noise tempered hollow glass edge grinding equipment and method of use thereof

Abstract

The application relates to the technical field of glass edging, in particular to low-noise hollow tempered glass edging equipment and a use method thereof, which comprises an equipment workbench, a grinding machine for glass grinding, a glass placing track and a positioning guide groove for glass conveying and positioning in the glass grinding process, the equipment workbench is fixedly connected with the grinding machine on one side, a positioning guide groove fixedly connected with the equipment workbench is arranged on the outer side of the grinding wheel installation position of the grinding machine, the glass placing track is fixedly connected with the upper end of the equipment workbench, and the positioning guide groove and the glass placing track are fixedly connected with a horizontal plate for positioning an annular belt on the inner side of one end; in the application, the moisture and impurities on the surface of the glass after grinding can be removed, so that the problem of skidding caused by the moisture on the surface of the glass during manual glass transfer is prevented, and the edge can be directly sealed after grinding, and the glass does not need to be cleaned again, which is relatively convenient.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of glass edging, in particular to a low-noise hollow tempered glass edging device and a use method thereof. BACKGROUND

[0002] The main reason for the need for edging during the production of hollow tempered glass is to improve the quality and safety of the glass edge. First, edging can remove burrs, sharp corners and uneven shapes on the edge of the glass, making the edge smoother and more uniform, which can prevent people from being scratched or injured when touching the edge of the glass, and provide better visual and tactile experience. Secondly, edging can also provide better sealing performance. Hollow tempered glass is usually packaged by sealing glue between two pieces of glass. Good edging can ensure that the sealing glue is well attached to the edge of the glass, forming a more secure sealing structure to prevent gas and moisture penetration, effectively improving the heat and sound insulation performance of the hollow glass.

[0003] Generally speaking, the edging of hollow tempered glass is usually carried out using an automatic edging machine. This device has a high-speed rotating grinding wheel or stone wheel, which grinds and polishes the edge of the glass to achieve the requirements of edge smoothness and smoothness. The automatic edging machine has the characteristics of high efficiency, precision and stability, and can meet the requirements of the edging process in the production of hollow tempered glass. In the process of edging, in order to prevent glass damage, water flow is used to cool, remove dust and prevent jamming during the grinding process.

[0004] However, the existing edging device does not have a setting for removing water and impurities remaining on the surface of the glass after edging is completed, which can cause slipping between the worker and the glass during the manual transfer of the glass. In addition, the process of sealing the edge needs to be cleaned again, so a low-noise hollow tempered glass edging device and a use method thereof are proposed to solve the above problems. SUMMARY

[0005] The purpose of the present application is to provide a low-noise hollow tempered glass edging device and a use method thereof to solve the problem of water and impurities remaining on the surface of the glass, which can cause slipping between the worker and the glass during the manual transfer of the glass, and the problem of the need for cleaning again during the process of sealing the edge.

[0006] To achieve the above purpose, the present application provides the following technical scheme:

[0007] The utility model provides a low noise hollow toughened glass edge grinding equipment and its using method, including equipment workstation, grinding machine for glass polishing, glass placing track and positioning guide groove for glass polishing process transmission positioning, one side of equipment workstation is fixedly connected with grinding machine, and the grinding wheel installation position outside of grinding machine is equipped with the positioning guide groove fixedly connected with equipment workstation, the upper end of equipment workstation is fixedly connected with glass placing track, one end inboard of positioning guide groove and glass placing track is fixedly connected with the horizontal plate for positioning annular belt, one end inboard of horizontal plate is rotatably connected with driven roller, first damping rubber ring is fixedly connected with the outside of driven roller, annular belt is rotatably connected with the outside of first damping rubber ring for wiping glass surface, second damping rubber ring is rotatably connected with the other end inboard of annular belt, and the inboard of second damping rubber ring is fixedly connected with driving roller, the one end outside of driving roller is fixedly connected with wheel disc, and the one side of wheel disc is equipped with the impurity removal mechanism, the impurity removal mechanism includes rotating shaft, rotating lever, through -hole, clock spring and fixed shaft, both ends of rotating shaft are rotatably connected with rotating lever, and the one end inboard of rotating lever is equipped with through -hole, and the inboard of through -hole is rotatably connected with fixed shaft through clock spring, and the fixed shaft is fixedly connected with horizontal plate.

[0008] As the further optimization of the utility model, the one end upside of the horizontal plate is fixedly connected with a heating box, a plurality of heating rods are fixedly connected with the inside upper end of the heating box in parallel and equidistantly, a wiper plate is fixedly connected with the middle inside of the heating box, the wiper plate is in close contact with the annular belt, and the bottom end of the heating box is completely embedded in the inside of the horizontal plate.

[0009] As the further optimization of the utility model, the one end downside of the horizontal plate is fixedly connected with a filter cover, the filter cover comprises a cover main body, a drain hole and a limiting hole, the limiting hole is formed in the one end inside of the cover main body, the one end of the annular belt is slidably connected with the inside of the limiting hole, the drain hole is formed in the other end inside of the cover main body, a drain pipe is arranged at the one end of the drain hole, the drain pipe is fixedly connected with the cover main body through bolts and sealing pads, a filter screen is fixedly connected with the inside of the cover main body, and the filter screen is arranged on the annular belt.

[0010] As the further optimization of the utility model, the annular belt is arranged in an annular shape, the annular belt is arranged in a double-layer structure, the inside of the annular belt is an annular rubber belt, the outside of the annular belt is a water-absorbing sponge belt, and the annular belt is arranged on the inside of the horizontal plate.

[0011] As the further optimization of the utility model, the one end outside of the wheel disc is provided with a protrusion, the wheel disc is provided with two, and the wheel disc is symmetrically arranged with the center point of the driving roller as the center point; the driving roller is fixedly connected with the main shaft of a driving motor, the driving motor is fixedly connected with one side of the horizontal plate through bolts, the main shaft of the driving motor penetrates through the horizontal plate, and the main shaft of the driving motor is arranged on the inside of the horizontal plate.

[0012] As the further optimization of the application, the rotating rods are two, parallel to each other, and fixedly connected by the cross rod.

[0013] As the further optimization of the application, the annular belts, cross plates, driven rollers, first damping rubber rings, filter housings, drain pipes, filter screen plates, driving motors, wheel plates, driving rollers, second damping rubber rings, impurity removing mechanisms, heating rods and wiper plates are all provided with two groups, and the two groups of annular belts, cross plates, driven rollers, first damping rubber rings, filter housings, drain pipes, filter screen plates, driving motors, wheel plates, driving rollers, second damping rubber rings, impurity removing mechanisms, heating rods and wiper plates are symmetrically arranged above and below the upper end surface of the glass placing track as the center point.

[0014] As the further optimization of the application, S1: glass polishing: first, the glass to be edge polished is placed on the upper end of the glass placing track, then the staff pushes the edge of the glass to tightly abut against the rollers arranged on the inner side of the positioning guide groove, and then the glass passes through the polishing wheel of the polisher to complete the polishing of the edge of the glass, and in the above polishing process, the position where the glass contacts the polishing wheel is cooled, dust is removed and sticking in the polishing process is prevented by water flow flushing;

[0015] S2: removing water and impurities adhered to the surface of the glass in the polishing process: the glass after polishing passes between the two cross plates, and in the process, the annular belt rotates under the driving of the driving roller, and at this time, the water and impurities remaining on the surface of the glass can be removed by the water-absorbing sponge belt arranged on the outer side of the annular belt.

[0016] S3: cleaning the surface of the annular belt: in the process of rotation of the annular belt, the wiper plate can scrape off the water on the surface of the annular belt, and in the process of rotation of the driving roller 15, the wheel plate rotates, and in the process of rotation of the wheel plate, the protrusions arranged on the outer side can drive the rotating rod to rotate by a certain angle, and when the position of the protrusion of the wheel plate is not in contact with the rotating rod, the rotating rod returns to the original position under the driving of the clockwork spring, and then the rotating shaft arranged between the rotating rods strikes the position on the inner side of the annular belt once, so that the annular belt can be continuously struck in the process of continuous rotation of the wheel plate, so as to realize the cleaning of the impurities adhered to the surface of the annular belt.

[0017] S4: impurity cleaning: the impurities cleaned from the surface of the annular belt fall onto the surface of the filter screen plate, and the water cleaned from the surface of the annular belt is discharged to the outside of the device through the drain hole and the drain pipe, which can be collected for recycling in the later period, so as to realize the purpose of saving water resources.

[0018] Compared with the prior art, the present application has the beneficial effects that:

[0019] 1、In the present application, by setting the annular belt, the horizontal plate, the driven roller and the driving roller, the water and impurities on the polished glass surface can be removed, so as to prevent the problem of slipping caused by water on the glass surface during the process of manual glass transfer, and the edge sealing can be directly performed after polishing without the need for further cleaning, which is more convenient;

[0020] 2、In the present application, by setting the two annular belts, different width glasses can be cleaned, and the problem of jamming between the glass and the annular belt during cleaning can be prevented, which is more stable;

[0021] 3、In the present application, by setting the scraper, the heating box and the impurity removal mechanism, the water and impurities on the surface of the annular belt can be removed in time, and the annular belt can be dried to ensure that the annular belt can continuously clean the glass, and the annular belt can be knocked without interruption during cleaning, which further improves the effect of removing impurities and water;

[0022] 4、In the present application, by setting the filter cover, the impurities cleaned off are dropped onto the surface of the filter screen, and the water cleaned off is discharged to the outside of the device through the drain hole and the drain pipe, which can be collected for recycling in the later period, so as to achieve the purpose of saving water resources and the effect of centralized treatment of impurities. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0024] Figure 2 It is a schematic diagram of the installation position structure of the annular belt of the present application;

[0025] Figure 3 It is a schematic diagram of the structure of A in the present application; Figure 2

[0026] Figure 4 It is a schematic diagram of the structure of the filter cover of the present application;

[0027] Figure 5 It is a schematic diagram of the structure of the wheel disc of the present application;

[0028] Figure 6 It is a schematic diagram of the structure of the impurity removal mechanism of the present application;

[0029] Figure 7 It is a schematic diagram of the structure of B in the present application. Figure 6

[0030] ​​In the figure: 1, equipment workbench; 2, polishing machine; 3, glass placement track; 4, positioning guide groove; 5, heating box; 6, annular belt; 7, cross plate; 8, driven roller; 9, first damping rubber ring; 10, filter cover; 101, cover body; 102, drain hole; 103, limiting hole; 11, drain pipe; 12, filter screen plate; 13, driving motor; 14, wheel disc; 15, driving roller; 16, second damping rubber ring; 17, impurity removal mechanism; 171, rotating shaft; 172, rotating rod; 173, through hole; 174, clockwork spring; 175, fixed shaft; 18, heating rod; 19, wiper. DETAILED DESCRIPTION

[0031] Please refer to Figures 1-7 The present application provides a technical solution:

[0032] A low-noise hollow tempered glass edge grinding equipment and its use method, including equipment workbench 1, polishing machine 2 for glass polishing, glass placement track 3 and positioning guide groove 4 for glass polishing process transmission positioning, the equipment workbench 1 side fixedly connected with polishing machine 2, the polishing machine 2 polishing wheel installation position outside is equipped with the positioning guide groove 4 fixedly connected with the equipment workbench 1, the equipment workbench 1 upper end is fixedly connected with glass placement track 3, the positioning guide groove 4 and glass placement track 3 one end inner side is fixedly connected with the cross plate 7 for positioning annular belt 6;Can be in actual use process to the stable polishing of glass;The cross plate 7 one end inner side is rotatably connected with driven roller 8, the driven roller 8 outer side is fixedly connected with first damping rubber ring 9, the first damping rubber ring 9 outer side is rotatably connected with annular belt 6 for wiping glass surface, the annular belt 6 other end inner side is rotatably connected with second damping rubber ring 16, the second damping rubber ring 16 inner side is fixedly connected with driving roller 15, the driving roller 15 one end outer side is fixedly connected with wheel disc 14, the wheel disc 14 one side is equipped with impurity removal mechanism 17, the driving roller 15 can drive annular belt 6 to rotate stably, and then wipe the glass after polishing, and can drive wheel disc 14 to rotate stably;Impurity removal mechanism 17 includes rotating shaft 171, rotating rod 172, through hole 173, clockwork spring 174 and fixed shaft 175, the rotating shaft 171 both ends are rotatably connected with rotating rod 172, the rotating rod 172 one end inner side is provided with through hole 173, the through hole 173 inner side is rotatably connected with fixed shaft 175 through clockwork spring 174, the fixed shaft 175 is fixedly connected with cross plate 7, so as to remove the moisture and impurities on the surface of annular belt 6 stably.

[0033] The heating box 5 is fixedly connected to one end of the horizontal plate 7, a plurality of heating rods 18 are fixedly connected to the inner side of the upper end of the heating box 5 in parallel and equidistantly, a wiper plate 19 is fixedly connected to the middle inner side of the heating box 5, the wiper plate 19 is in close contact with the annular belt 6, the bottom end of the heating box 5 is completely embedded in the inner side of the horizontal plate 7, and in the rotating process of the annular belt 6, the water on the surface of the annular belt 6 can be removed and the annular belt 6 after removing the water can be dried; the filter cover 10 is fixedly connected to the lower side of one end of the horizontal plate 7, the filter cover 10 comprises a cover main body 101, a drainage hole 102 and a limiting hole 103, the limiting hole 103 is formed in the inner side of one end of the cover main body 101, one end of the annular belt 6 is slidably connected to the inner side of the limiting hole 103, the drainage hole 102 is formed in the inner side of the other end of the cover main body 101, the drainage pipe 11 is arranged at one end of the drainage hole 102, the drainage pipe 11 is fixedly connected to the cover main body 101 through bolts and sealing pads, the filter screen plate 12 is fixedly connected to the inner side of the cover main body 101, and the filter screen plate 12 is arranged on the annular belt 6, so that the filter cover 10 is convenient for collecting the debris and water.

[0034] The annular belt 6 is arranged in a ring shape, the annular belt 6 is arranged in a double layer, the inner side of the annular belt 6 is an annular rubber belt, the outer side of the annular belt 6 is a water-absorbing sponge belt, the annular belt 6 is located at the inner side of the horizontal plate 7, so that the water and impurities on the surface of the glass can be removed, the problem of slippage of the annular belt 6 in the rotating process can be prevented, and the stability of the overall structure of the annular belt 6 can be ensured.

[0035] The wheel disc 14 is provided with a protrusion at one end of the outer side, the wheel disc 14 is provided with two, and the wheel discs 14 are symmetrically arranged with the center point of the driving roller 15 as the center point; the driving roller 15 is fixedly connected to the main shaft of the driving motor 13, the driving motor 13 is fixedly connected to one side of the horizontal plate 7 through bolts, the main shaft of the driving motor 13 penetrates through the horizontal plate 7, and the main shaft of the driving motor 13 is arranged at the inner side of the horizontal plate 7, so that the rotation of the driving roller 15 can be powered through the driving motor 13 arranged;

[0036] The rotating rods 172 are provided with two, the rotating rods 172 are parallel between the rotating rods 172, the rotating rods 172 are fixedly connected through the cross bars, and the two ends of the rotating rods 172 are provided in an arc shape, so that the stability of the contact between the rotating rods 172 and the wheel disc 14 can be ensured; the annular belts 6, the cross plates 7, the driven rollers 8, the first damping rubber rings 9, the filter housings 10, the drain pipes 11, the filter screen plates 12, the driving motors 13, the wheel discs 14, the driving rollers 15, the second damping rubber rings 16, the impurity removal mechanisms 17, the heating rods 18 and the wiper plates 19 are provided with two groups, the two groups of annular belts 6, cross plates 7, driven rollers 8, first damping rubber rings 9, filter housings 10, drain pipes 11, filter screen plates 12, driving motors 13, wheel discs 14, driving rollers 15, second damping rubber rings 16, impurity removal mechanisms 17, heating rods 18 and wiper plates 19 are symmetrically arranged above and below with the upper end surface of the glass placing track 3 as the center point, and in the actual application process, the upper end and the lower end of the glass can be cleaned at the same time.

[0037] S1: glass polishing: first, the glass to be ground is placed on the upper end of the glass placing track 3, then the staff pushes the glass edge position to tightly contact the roller inside the positioning guide groove 4, then the glass passes through the polishing wheel of the polisher 2, and the polishing of the glass edge position is completed. In the above polishing process, the position where the glass contacts the polishing wheel is cooled, dust is removed, and sticking during polishing is prevented by using water flow to flush.

[0038] S2: removal of water and impurities attached during polishing: the glass after polishing passes between the two cross plates 7, and in the process: the annular belt 6 rotates under the drive of the driving roller 15, at this time, the water and impurities remaining on the surface of the glass can be removed through the setting of the water absorption sponge belt outside the annular belt 6. In this process, the surface of the glass after polishing can be cleaned to prevent slipping during transportation and damage to the glass.

[0039] S3: cleaning of the surface of the annular belt 6: in the process of rotating the annular belt 6, the wiper plate 19 can scrape off the water on the surface of the annular belt 6, and the driving roller 15 rotates, driving the wheel disc 14 to rotate. In the process of rotating the wheel disc 14, the protrusions on the outside can cause the rotating rods 172 to rotate by a certain angle. When the protrusions of the wheel disc 14 are not in contact with the rotating rods 172, the rotating rods 172 return to their original position under the drive of the clockwork spring 174, and then the rotating shaft 171 between the rotating rods 172 strikes the position inside the annular belt 6 once. In the process of continuous rotation of the wheel disc 14, the annular belt 6 is continuously struck to remove the impurities attached to the surface of the annular belt 6. In this process, the dust and water on the surface of the annular belt 6 can be effectively removed.

[0040] S4: impurity cleaning: the impurities fallen from the surface of the annular belt 6 fall on the surface of the filter screen plate 12, and the water fallen from the surface of the annular belt 6 is discharged to the outside of the device through the drain hole 102 and the drain pipe 11, which can be collected for recycling in the later stage to achieve the purpose of saving water resources.

[0041] The principles and implementation manners of the present application are described by applying specific examples in the present application, and the above examples are only used to help understand the method of the present application and its core idea. The above description is only the preferred implementation manner of the present application, and it should be pointed out that, due to the limitation of the expression, there are infinite specific structures in the objective world, and for the ordinary skilled in the art, some improvements, refinements or changes can be made without departing from the principles of the present application, and the above technical features can also be combined in a proper way; the improvements, refinements, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, shall be regarded as the protection scope of the present application.

Claims

1. A low-noise tempered hollow glass edge grinding device, comprising a device workbench (1), a grinding machine (2) for glass grinding, a glass placing track (3) for conveying and positioning glass during glass grinding, and a positioning guide groove (4), characterized in that: The equipment workbench (1) one side fixedly connected with the sander (2), the sander (2) polishing wheel installation position outside is equipped with with the equipment workbench (1) fixedly connected positioning guide groove (4), the equipment workbench (1) upper end fixedly connected with glass placement track (3), the positioning guide groove (4) and glass placement track (3) one end inboard fixedly connected with the horizontal plate (7) for positioning annular belt (6); The horizontal plate (7) one end inboard rotatably connected with driven roller (8), the driven roller (8) outside fixedly connected with first damping rubber ring (9), the first damping rubber ring (9) outside rotatably connected with the annular belt (6) for wiping glass surface, the annular belt (6) other end inboard rotatably connected with second damping rubber ring (16), the second damping rubber ring (16) inboard fixedly connected with driving roller (15), the driving roller (15) one end outside fixedly connected with wheel disc (14), the wheel disc (14) one side is equipped with impurity removal mechanism (17); The impurity removing mechanism (17) comprises a rotating shaft (171), rotating rods (172), through holes (173), clockwork springs (174) and fixed shafts (175), both ends of the rotating shaft (171) are rotationally connected with the rotating rods (172), one end of the rotating rod (172) is internally provided with the through hole (173), the through hole (173) is internally rotationally connected with the fixed shaft (175) through the clockwork spring (174), the fixed shaft (175) is fixedly connected with the horizontal plate (7), one end of the horizontal plate (7) is fixedly connected with the filter cover (10), the filter cover (10) comprises a cover main body (101), a drain hole (102) and a limiting hole (103), one end of the cover main body (101) is internally provided with the limiting hole (103), one end of the annular belt (6) is slidably connected with the limiting hole (103), the other end of the cover main body (101) is internally provided with the drain hole (102), one end of the drain hole (102) is provided with a drain pipe (11), the drain pipe (11) is fixedly connected with the cover main body (101) through bolts and sealing pads, the cover main body (101) is fixedly connected with a filter screen plate (12) on the inside, the filter screen plate (12) is arranged below the annular belt (6), the annular belt (6) is annularly arranged, the annular belt (6) is double-layered, the inner side of the annular belt (6) is an annular rubber belt, the outer side of the annular belt (6) is a water-absorbing sponge belt, the annular belt (6) is located on the inner side of the horizontal plate (7), one end of the wheel disc (14) is provided with a protrusion, the driving roller (15) is fixedly connected with the main shaft of the driving motor (13), the driving motor (13) is fixedly connected on one side of the horizontal plate (7) through bolts, the main shaft of the driving motor (13) penetrates through the horizontal plate (7), and the main shaft of the driving motor (13) is arranged on the inner side of the horizontal plate (7), the rotating rod (172) is provided with two, the rotating rods (172) are parallel to each other, and the rotating rods (172) are fixedly connected through a cross rod, both ends of the rotating rod (172) are arc-shaped, During rotation of the driving roller (15), the wheel disc (14) is driven to rotate, the wheel disc (14) is provided with the protrusion on the outer side, so that the rotating rod (172) is rotated by a certain angle, when the position of the protrusion of the wheel disc (14) is not in contact with the rotating rod (172), the rotating rod (172) is restored to the original position under the driving of the clockwork spring (174), and then the rotating shaft (171) arranged between the rotating rods (172) strikes the position on the inner side of the annular belt (6) once.

2. The low noise hollow toughened glass edging apparatus as claimed in claim 1, wherein: One end of the horizontal plate (7) is fixedly connected with a heating box (5), a plurality of heating rods (18) are fixedly connected with the inner side of the upper end of the heating box (5) in parallel and at equal intervals, a water scraping plate (19) is fixedly connected with the middle inner side of the heating box (5), the water scraping plate (19) is tightly attached to the annular belt (6), and the bottom end of the heating box (5) is completely embedded in the inner side of the horizontal plate (7).

3. A low noise hollow toughened glass edging apparatus as claimed in claim 2, wherein: The annular belt (6), the transverse plate (7), the driven roller (8), the first damping rubber ring (9), the filter shell (10), the drain pipe (11), the filter screen plate (12), the driving motor (13), the wheel disc (14), the driving roller (15), the second damping rubber ring (16), the impurity removal mechanism (17), the heating rod (18) and the wiper (19) are provided with two groups, and the two groups of annular belts (6), transverse plates (7), driven rollers (8), first damping rubber rings (9), filter shells (10), drain pipes (11), filter screen plates (12), driving motors (13), wheel discs (14), driving rollers (15), second damping rubber rings (16), impurity removal mechanisms (17), heating rods (18) and wipers (19) are symmetrically arranged above and below with the upper end face of the glass placement track (3) as the center point.

4. The use method of the low-noise hollow tempered glass edging equipment according to claim 3, characterized in that: S1: glass polishing: first, place the glass to be edged on the upper end of the glass placement track (3), then press and push the glass edge position against the roller inside the positioning guide groove (4), then control the glass to pass through the polishing wheel of the polisher (2) to complete the polishing of the glass edge position, and in the above polishing process, the position where the glass and the polishing wheel contact is cooled, dust is removed and sticking in the polishing process is prevented by water flow flushing; S2: removal of water and impurities attached to the glass surface during polishing: the polished glass passes between the two transverse plates (7), and in the process: the annular belt (6) rotates under the drive of the driving roller (15), and at this time, the water and impurities remaining on the surface of the glass can be removed through the setting of the water-absorbing sponge belt outside the annular belt (6); S3: cleaning of the surface of the annular belt (6): in the process of rotation of the annular belt (6), the wiper (19) can scrape off the water on the surface of the annular belt (6), and in the process of rotation of the driving roller (15), the wheel disc (14) rotates, and in the process of rotation of the wheel disc (14), the protrusions outside can trigger the rotation lever (172) to rotate by a certain angle, and when the protrusions of the wheel disc (14) are not in contact with the rotation lever (172), the rotation lever (172) returns to its original position under the drive of the clockwork spring (174), and then the rotation shaft (171) between the rotation levers (172) completes a knock on the inside of the annular belt (6), which can continuously knock the annular belt (6) in the process of continuous rotation of the wheel disc (14) to realize the cleaning of the impurities attached to the surface of the annular belt (6); S4: impurity cleaning: the impurities cleaned off the surface of the annular belt (6) fall onto the surface of the filter screen plate (12), and the water cleaned off the surface of the annular belt (6) is discharged outside the device through the drain hole (102) and the drain pipe (11), which can be collected for recycling in the later stage to achieve the purpose of saving water resources.

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