CN212068999U

CN212068999U - Horizontal sand mill with self-cleaning function

Info

Publication number: CN212068999U
Application number: CN202020264044.6U
Authority: CN
Inventors: 许建昌
Original assignee: Wuxi Yanqiao Chemical Coatings Co ltd
Current assignee: Wuxi Yanqiao Chemical Coatings Co ltd
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2020-12-04
Anticipated expiration: 2030-03-06

Abstract

The utility model relates to a horizontal sand mill, in particular to horizontal sand mill with self-cleaning function. The grinding machine comprises a main frame, wherein a grinding cylinder is fixedly connected to the side face of the upper part of the main frame, a cleaning opening is formed in the top of the grinding cylinder, and a cleaning turnover plate matched with the cleaning opening in shape is arranged in the cleaning opening; the two ends of the cleaning turnover plate are fixedly connected with turnover shafts respectively, and the turnover shafts are rotatably connected to the side wall of the grinding cylinder through bearings; the end face, facing the grinding roller, of the cleaning turning plate is provided with a plurality of first water outlets, each first water outlet is vertically connected with one first spraying pipe, and the front end of each first spraying pipe extends into the space between two adjacent stirring disks. The utility model discloses a set up the spray mechanism on the board is turned over in the clearance, the water that spray mechanism spun washes the remaining material in the dead angle in the feed cylinder, has improved the clearance effect and the clearance efficiency of the material that leaves over in the feed cylinder greatly; simultaneously, the pollution influence of the materials left in the material barrel is avoided when different materials are ground.

Description

Horizontal sand mill with self-cleaning function

Technical Field

The utility model relates to a horizontal sand mill, in particular to horizontal sand mill with self-cleaning function.

Background

The horizontal sand mill is a high-efficiency wet-process ultramicro grinding dispersion machine which is widely used in the non-metal mineral industries of coatings, dyes, paints, printing inks, medicines, magnetic powder, ferrites, photosensitive films, pesticides, papermaking, cosmetics and the like.

When the horizontal sand mill works, the solid-liquid phase mixed material subjected to pre-dispersion and wetting treatment by the stirrer is input into the cylinder by the material pump, and the material and the grinding medium in the cylinder are stirred by the disperser rotating at a high speed, so that stronger collision, friction and shearing actions are generated between solid particles and the grinding medium in the material, and the purposes of accelerating the grinding of the particles and dispersing aggregates are achieved. And separating the grinding medium from the ground and dispersed material through a dynamic separator, and flowing out of a discharge pipe. The horizontal sand mill is particularly suitable for dispersing and grinding products with high viscosity and fine granularity requirement.

In the grinding process, the materials in a solid-liquid mixed state in the horizontal sand mill are easy to remain on the disperser in the cylinder. When the material of treating grinding is being changed in needs, just need take out the material and the grinding medium that leave over in the feed cylinder, generally all need take off the feed cylinder, just can carry out the cleaning work, have the loaded down with trivial details problem of cleaning procedure.

Among the prior art, chinese patent that publication number is CN208230033U discloses a horizontal sand mill, and this horizontal sand mill can realize the washing to the material and the grinding medium that leave over in the feed cylinder, and it includes frame, grinding roller and the driving motor who drives the rotation of grinding roller, the frame is provided with clearance portion, clearance portion includes storage water tank and water pump, the water pump is provided with the first raceway of dismantling the connection with the filling tube, the end of feed cylinder is provided with the opening with one heart, the inboard recess of opening, the feed cylinder is provided with the fixed disk that the laminating recess slided, the pan feeding pipe is located the edge of fixed disk. When the feed cylinder is cleared up to needs, rotate the fixed disk, make the pan feeding pipe be located the feed cylinder lower extreme, and with first raceway and filling tube intercommunication, start the water pump, send water into in the feed cylinder, driving motor drives grinding roller slow rotating, remaining material in the feed cylinder just can follow water and leave from the pan feeding pipe with grinding medium, along with the rotation of grinding roller, water can move each processing space in the feed cylinder, consequently, can all drive the pan feeding pipe and leave with material and grinding medium in the feed cylinder, it clears up not need to dismantle the feed cylinder, the beneficial effect who improves convenient clearance is obtained.

However, in the actual use process, the materials left in the barrel are easily adhered to dead corners, such as: the surface of the stirring disc of the grinding roller, the connecting position of the grinding roller and the stirring disc and the surface of the grinding roller. The water that the clearance portion that sets up among the above-mentioned technical scheme flows out gets into the pan feeding pipe through first raceway in, then gets into the inside material cylinder that washs of feed cylinder by the pan feeding pipe inside, and the material of dead angle position department in the feed cylinder can not directly be washed away to abluent rivers, and the clearance effect is effective. In order to improve the cleaning effect as much as possible, the water pump of the cleaning part needs to be started for a long time to clean, so that the power resource is wasted, and the good cleaning effect cannot be completely guaranteed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a horizontal sand mill with self-cleaning function, which washes away the materials remained in the dead angle in the charging barrel through a spraying mechanism, greatly improves the cleaning effect and cleaning efficiency of the materials remained in the charging barrel, and saves the energy; simultaneously, the pollution influence of the materials left in the material barrel is avoided when different materials are ground.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a horizontal sand mill with a self-cleaning function comprises a main frame, wherein a grinding barrel is fixedly connected to the side face of the upper part of the main frame, a grinding roller is rotatably connected into the main frame through a bearing, the two ends of the grinding roller are respectively a driving end and a grinding end, the grinding end of the grinding roller extends into the grinding barrel and is connected with a plurality of stirring discs, the side face of one end of the grinding barrel is fixedly connected with a feeding pipe, the feeding pipe is communicated with a cavity in a discharging barrel, a separation barrel is fixedly arranged between the grinding barrel and the main frame, a separation plate is arranged between the cavity in the separation barrel and the cavity in the grinding barrel, a plurality of separation holes which are communicated from front to back are formed in the separation plate, a discharging pipe is fixedly arranged on the outer side wall of the separation barrel, a cleaning port is formed in; the two ends of the cleaning turnover plate are fixedly connected with turnover shafts respectively, and the turnover shafts are rotatably connected to the side wall of the grinding cylinder through bearings;

a plurality of first water outlets are formed in the end face, facing the grinding roller, of the cleaning turning plate, each first water outlet is vertically connected with one first spraying pipe, and the front end of each first spraying pipe extends into the space between two adjacent stirring disks; the lower end of the first spray pipe is connected with a first spray nozzle, the first spray nozzle faces the surface of the grinding roller, the left side and the right side of the first spray pipe are respectively connected with a second spray nozzle and a third spray nozzle, and the second spray nozzle and the third spray nozzle respectively face the connecting positions of two adjacent stirring discs and the grinding roller; a plurality of second water outlets are formed in the end face, facing the grinding roller, of the cleaning turning plate, and a fourth spraying nozzle is connected to the second water outlets and faces the end face of the outer ring of the stirring disc; the end face of the cleaning turning plate, which faces away from the grinding roller, is provided with a turning plate water inlet pipe, a water inlet pore passage is arranged in the cleaning turning plate, the water inlet end of the water inlet pore passage is communicated with the turning plate water inlet pipe, and the water outlet end of the water inlet pore passage is communicated with the first water outlets and the second water outlets; the bottom of the grinding cylinder is fixedly connected with a cleaning water outlet pipe, and the cleaning water outlet pipe is communicated with the inner cavity of the grinding cylinder;

the water inlet end of the water tank is connected with the cleaning water outlet pipe through a water return pipe, and the water outlet of the water tank is provided with a water tank filter screen.

Through adopting above-mentioned technical scheme, when grinding, in adding grinding media and grinding material respectively the grinding vessel, the grinding roller drives the stirring disc and rotates to drive the mixing stirring with material and grinding media, solid particle in the material and grinding media produce stronger collision, friction, shearing action each other, reach levigating and kibbling purpose with the material, the material that the processing is good leaves the grinding vessel through the knockout drum. After grinding work accomplished, when needing to clear up residual material in the grinding vessel, open the water pump, water in the water tank passes through in the water pump gets into the water inlet pore of clearance turning plate, then spout to the grinding roller surface by first spray nozzle respectively, by the second spray nozzle, the third spray nozzle spouts to adjacent two stirring discs and grinding roller hookup location department, spout the outer lane terminal surface to stirring disc by the fourth spray nozzle, hydroenergy can erode the remaining material in the feed cylinder in the dead angle, the cleaning effect and the cleaning efficiency of the material of leaving over in the feed cylinder have been improved greatly, water after spraying is retrieved to water tank recycle, the water resource has been practiced thrift.

Furthermore, the driving end of the grinding roller is connected with a first belt wheel, the first belt wheel is connected with a second belt wheel through a transmission belt, the second belt wheel is connected with the driving end of a driving motor, and the driving motor is fixed in the main frame.

Through adopting above-mentioned technical scheme, when driving motor started, drive the drive belt through the second band pulley and rotate, the drive belt drives the grinding roller rotation through first band pulley again.

Furthermore, a charging pipe is fixedly connected to the side wall of the grinding cylinder and communicated with the inner cavity of the grinding cylinder.

By adopting the technical scheme, the grinding medium is added into the inner cavity of the grinding cylinder through the feeding pipe, so that the grinding medium and the ground material are mixed and ground.

Furthermore, any one of the turning shafts connected with the two ends of the cleaning turning plate is connected with the driving end of a turning motor, and the turning motor is fixed on the top of the grinding cylinder.

Through adopting above-mentioned technical scheme, when upset motor started, can drive the clearance and turn over the board and rotate.

Furthermore, a circle of sealing ring is arranged on the edge of the cleaning opening, and the sealing ring can be in sealing contact with the edge of the cleaning turning plate.

Through adopting above-mentioned technical scheme, the sealing washer can improve the clearance and turn over the sealed degree between board edge and the clearance mouth edge, avoids the material outflow of grinding in the grinding vessel.

Furthermore, a water outlet pipe cover is sleeved on the cleaning water outlet pipe and detachably connected to the surface of the grinding cylinder through a connecting piece, and the inner wall of the water outlet pipe cover seals a water outlet of the cleaning water outlet pipe.

Through adopting above-mentioned technical scheme, it is sealed that the outlet pipe will be cleared up to the outlet pipe cover, avoids the material of grinding in the grinding vessel to flow through the clearance outlet pipe.

Furthermore, turn over the board water inlet pipe and overlap and establish the water inlet pipe cover, the water inlet pipe cover passes through connecting piece detachable and connects at the clearance and turns over the board surface, and the sealed water inlet that turns over the board water inlet pipe of water inlet pipe cover inner wall.

Through adopting above-mentioned technical scheme, the inlet tube cover will turn over the board inlet tube and seal, and the material of avoiding grinding in the grinding vessel flows out through turning over the board inlet tube.

Further, be equipped with the rose box between wet return and the water tank, rose box side from the top down is equipped with a plurality of slot, and the filter box is transversely run through to the slot, insert the filter cartridge in the slot, the filter cartridge bottom is equipped with the filter screen, the bottom and the water tank intercommunication of rose box, the apron is connected at the rose box top, are equipped with the return water mouth on the apron, return water mouth and wet return outlet end intercommunication.

By adopting the technical scheme, the grinding medium and the grinding material can be separated and filtered in different filter boxes after passing through the filter screens with different apertures, so that the grinding material is recycled.

Furthermore, one side of the filter box is fixedly connected with a handle.

Through adopting above-mentioned technical scheme, operating personnel passes through the pull filter cartridge that the handle can be convenient.

To sum up, the utility model discloses following beneficial effect has:

1. the spraying mechanism is arranged on the cleaning turning plate, and water sprayed by the spraying mechanism flushes materials remained in dead corners in the material barrel, so that the cleaning effect and the cleaning efficiency of the materials remained in the material barrel are greatly improved; meanwhile, the grinding of different materials is not affected by the pollution of the materials left in the charging barrel;

2. the water pump and the water tank are arranged on the spraying mechanism, so that spraying water can be recycled, and energy is saved;

3. the overturning motor is used for driving the cleaning overturning plate to overturn, so that the spraying mechanism can be freely overturned, and the influence of the spraying mechanism on grinding is avoided.

Drawings

Fig. 1 is a perspective view of a first embodiment of the present invention.

Fig. 2 is an internal structure view of the present invention.

Fig. 3 is the assembly relation diagram of the cleaning turning plate and the cleaning turning plate of the utility model.

Fig. 4 is an assembly relation diagram of the water outlet pipe cover and the water inlet pipe cover of the present invention.

Fig. 5 is a perspective view of a second embodiment of the present invention.

Fig. 6 is a perspective view of the filter box of the present invention.

In the figure, 1, the main frame; 2. a grinding cylinder; 3. a grinding roller; 4. a stirring disc; 5. a drive motor; 6. a transmission belt; 7. a first pulley; 8. a second pulley; 9. a discharging barrel; 10. a feed pipe; 11. a discharge pipe; 12. a separation cylinder; 13. a separation plate; 14. a feed tube; 15. cleaning the opening; 16. cleaning the turning plate; 17. a flap shaft; 18. turning over a motor; 19. a seal ring; 20. a first shower pipe; 21. a first spray nozzle; 22. a second spray nozzle; 23. a third spray nozzle; 24. a fourth spray nozzle; 25. a flap water inlet pipe; 27. cleaning the water outlet pipe; 28. a water outlet pipe cover; 29. a water inlet pipe cover; 30. a water inlet pipe; 31. a water return pipe; 32. a water pump; 33. a water tank; 34. a filter box; 35. a filter cartridge; 36. a filter screen; 37. a handle; 38. a cover plate; 39. a water delivery pipe.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1: as shown in figure 1, the utility model mainly comprises a main frame 1, and a grinding cylinder 2 fixedly connected with the side surface of the upper part of the main frame 1. As shown in fig. 2, the main frame 1 is rotatably connected with a grinding roller 3 through a bearing, and the two ends of the grinding roller 3 are a driving end and a grinding end respectively. The driving end of the grinding roller 3 is connected with a first belt wheel 7, the first belt wheel 7 is connected with a second belt wheel 8 through a transmission belt 6, the second belt wheel 8 is connected with the driving end of a driving motor 5, and the driving motor 5 is fixed in the main frame 1. The grinding end of the grinding roller 3 extends into the grinding cylinder 2 and is connected with a plurality of stirring disks 4, and the stirring disks 4 are uniformly distributed along the length direction of the grinding roller 3.

When carrying out the material grinding, driving motor 5 work drives second band pulley 8 and rotates, and second band pulley 8 drives first band pulley 7 through drive belt 6 again and rotates, and first band pulley 7 drives grinding roller 3 again and rotates, and grinding roller 3 drives the stirring grinding of material and grinding medium in the grinding vessel 2 of a plurality of stirring discs realization. In this example, the grinding medium is zirconia beads, and the grinding material is an anticorrosive coating on the inner wall of the tap water pipe.

As shown in figure 1, a feeding pipe 10 is fixedly connected to the side surface of one end of the grinding cylinder 2, the feeding pipe 10 is communicated with the inner cavity of the discharging cylinder 9, and a material to be ground enters the inner cavity of the discharging cylinder 9 through the feeding pipe 10 to be mixed and ground with a grinding medium. A separation cylinder 12 is fixedly arranged between the grinding cylinder 2 and the main frame 1, as shown in fig. 2, a separation plate 13 is arranged between the inner cavity of the separation cylinder 12 and the inner cavity of the grinding cylinder 2, a plurality of separation holes which are through from front to back are arranged on the separation plate 13, and the diameter of each separation hole is smaller than that of the grinding medium and larger than that of the ground material. The arrangement of the separation holes enables only ground materials to enter the separation cylinder through the separation holes, and grinding media with large diameters cannot enter the separation cylinder through the separation holes. The discharging pipe 11 is fixedly arranged on the outer side wall of the separating cylinder 12, and the ground material is discharged through the discharging pipe 11.

As shown in figure 1, a feed pipe 14 is fixedly connected to the side wall of the grinding cylinder 2, the feed pipe 14 is communicated with the inner cavity of the grinding cylinder 2, and grinding media are added into the inner cavity of the grinding cylinder 2 through the feed pipe 14.

In order to fully clean the residual materials in the grinding cylinder 2, as shown in fig. 1, a cleaning opening 15 is arranged at the top of the grinding cylinder 2, and a cleaning turning plate 16 matched with the cleaning opening 15 in shape is arranged in the cleaning opening 15. As shown in FIG. 3, two ends of the cleaning turning plate 16 are respectively fixedly connected with a turning shaft 17, the turning shaft 17 is rotatably connected to the side wall of the grinding cylinder 2 through a bearing, any one of the turning shafts 17 connected to the two ends of the cleaning turning plate 16 is connected with the driving end of a turning motor 18, and the turning motor 18 is fixed at the top of the grinding cylinder 2.

In order to ensure the degree of sealing between the cleaning opening 15 and the cleaning flap 16, the cleaning opening 15 is provided with a ring of sealing rings 19 along the edge, as shown in fig. 1, which sealing rings 19 can be brought into sealing contact with the edge of the cleaning flap 16.

As shown in fig. 3, a plurality of first water outlets are provided on the end surface of the cleaning turning plate 16 facing the grinding roller 3, each first water outlet is vertically connected with a first spray pipe 20, and the front end of each first spray pipe 20 extends into the space between two adjacent stirring disks 4.

As shown in fig. 2 and 3, the lower end of the first spray pipe 20 is connected with a first spray nozzle 21, the first spray nozzle 21 faces the surface of the grinding roller 3, the left side and the right side of the first spray pipe 20 are respectively connected with a second spray nozzle 22 and a third spray nozzle 23, and the second spray nozzle 22 and the third spray nozzle 23 respectively face the connecting positions of the two adjacent stirring disks 4 and the grinding roller 3.

As shown in fig. 2 and 3, a plurality of second water outlets are formed in the end surface of the cleaning turning plate 16 facing the grinding roller 3, a fourth spray nozzle 24 is connected to the second water outlets, and the fourth spray nozzle 24 faces the outer ring end surface of the stirring disc 4.

As shown in fig. 2, a turning plate water inlet pipe 25 is arranged on the end surface of the cleaning turning plate 16 opposite to the grinding roller 3, a water inlet pore passage is arranged in the cleaning turning plate 16, the water inlet end of the water inlet pore passage is communicated with the turning plate water inlet pipe 25, and the water outlet end of the water inlet pore passage is communicated with the plurality of first water outlets and the plurality of second water outlets.

As shown in FIG. 1, a cleaning water outlet pipe 27 is fixedly connected to the bottom of the grinding cylinder 2, and the cleaning water outlet pipe 27 is communicated with the inner cavity of the grinding cylinder 2.

As shown in FIG. 1, the flap water inlet pipe 25 is connected to the water outlet end of a water pump 32 through a water inlet pipe 30, the water inlet end of the water pump 32 is connected to the water outlet of a water tank 33 through a water pipe 39, and the water inlet of the water tank 33 is connected to the cleaning water outlet pipe 27 through a water return pipe 31. A water tank filter screen is arranged at the water outlet of the water tank 33 and can block impurities in the water tank.

The utility model discloses when normally grinding, upset motor 18 drives the clearance and turns over board 16 and rotate for the clearance turns over board 16 and is equipped with and turns over 25 terminal surfaces of board inlet tube and towards 2 inner chambers of grinding vessel, and the clearance turns over board 16 this moment and is equipped with a terminal surface that sprays the structure and 2 inner chambers of grinding vessel dorsad, sprays the structure and can not influence normal grinding operation in 2 inner chambers of grinding vessel. After the grinding operation is finished, when the inner cavity of the grinding cylinder 2 needs to be cleaned, the overturning motor 18 drives the cleaning turning plate 16 to rotate, so that the cleaning turning plate 16 is provided with one end of the turning plate water inlet pipe 25 which faces away from the inner cavity of the grinding cylinder 2, and the end of the cleaning turning plate 16 provided with the spraying structure faces the inner cavity of the grinding cylinder 2.

In order to avoid the material in the grinding cylinder 2 from flowing out from the cleaning water outlet pipe 27 and the flap water inlet pipe 25, as shown in fig. 4, a water outlet pipe cover 28 is sleeved on the cleaning water outlet pipe 27, the water outlet pipe cover 28 is detachably connected to the surface of the grinding cylinder 2 through a connecting piece, and the inner wall of the water outlet pipe cover 28 seals the water outlet of the cleaning water outlet pipe 27.

As shown in figure 4, a water inlet pipe cover 29 is sleeved on the flap water inlet pipe 25, the water inlet pipe cover 29 is detachably connected to the surface of the cleaning flap 16 through a connecting piece, and the inner wall of the water inlet pipe cover 29 seals the water inlet of the flap water inlet pipe 25.

Example 2: because the cost of the grinding medium in the grinding cylinder 2 is high, the use cost is reduced in order to recycle the grinding medium cleaned in the grinding cylinder 2. As shown in fig. 5 and 6, a filter tank 34 is provided between the return pipe 31 and the water tank 33. The side of the filter box 34 is provided with a plurality of slots from top to bottom, and the slots transversely penetrate through the filter box 34. The filter boxes 35 are inserted into the slots, the filter screens 36 are arranged at the bottoms of the filter boxes 35, and the mesh diameters of the filter screens 36 at the bottoms of different filter boxes 35 are different, so that the grinding media and the grinding materials can be separated and filtered in different filter boxes 35. The bottom of the filter tank 34 is communicated with the water tank 33, the top of the filter tank 34 is connected with a cover plate 38, a water return port is arranged on the cover plate 38, and the water return port is communicated with the water outlet end of the water return pipe 31.

The grinding medium and the grinding material cleaned in the grinding cylinder 2 can be separated and filtered in different filter boxes after passing through filter screens with different apertures, so that the grinding material is recycled.

In order to conveniently pull the filter box 35, as shown in fig. 6, a handle 37 is fixedly connected to one side of the filter box 35, and the filter box can be conveniently pulled by the handle 37.

The utility model discloses a theory of operation is: when grinding, in order to avoid the cleaning to turn over the board on the spraying structure influence the grinding miller in the material grinding, start the upset motor and turn over the board upset certain angle with the cleaning for the cleaning turns over the spraying structure on the board and rotates the grinding miller dorsad. Then the water inlet pipe of the turnover plate is sleeved with a water inlet pipe cover, and the water outlet pipe of the cleaning water outlet pipe is sleeved with a water outlet pipe cover. Grinding media and grinding materials are respectively added into the grinding cylinder, the grinding roller drives the stirring disc to rotate, so that the materials and the grinding media are driven to be mixed and stirred, stronger collision, friction and shearing actions are generated between solid particles in the materials and the grinding media, the purpose of grinding and crushing the materials is achieved, and the processed materials leave the grinding cylinder through the separating cylinder.

After the grinding work is finished, when residual materials in the grinding cylinder need to be cleaned, the overturning motor is started to overturn the cleaning turning plate by a certain angle, so that the spraying structure on the cleaning turning plate is rotated to face the grinding cylinder. Then the water inlet pipe cover sleeved on the water inlet pipe of the turnover plate is taken down, and the water outlet pipe cover sleeved on the cleaning water outlet pipe is taken down. Connect wet return and inlet tube, open the water pump, water in the water tank passes through in the water pump gets into the water inlet pore of clearance turning plate, then spout to grinding roller surface by first spray nozzle respectively, by the second spray nozzle, the third spray nozzle spouts to adjacent two stirring discs and grinding roller hookup location department, spout the outer lane terminal surface to stirring disc by the fourth spray nozzle, hydroenergy can erode the remaining material in the feed cylinder dead angle, the clearance effect and the cleaning efficiency of the material of leaving over in the feed cylinder have been improved greatly, water after spraying is retrieved to water tank recycle, the water resource has been practiced thrift.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a horizontal sand mill with self-cleaning function, includes main frame (1), main frame (1) upper portion side rigid coupling grinding vessel (2), rotate through the bearing in main frame (1) and connect grinding roller (3), grinding roller (3) both ends are drive end and grinding end respectively, the grinding end of grinding roller (3) stretches into in grinding vessel (2) and connects a plurality of stirring disc (4), grinding vessel (2) one end side rigid coupling inlet pipe (10), inlet pipe (10) and play cavity intercommunication in feed cylinder (9), set firmly separating cylinder (12) between grinding vessel (2) and main frame (1), be equipped with separation plate (13) between cavity and the grinding vessel (2) inner cavity in separating cylinder (12), be equipped with the separation hole that link up around a plurality of on separation plate (13), set firmly discharging pipe (11) on separating cylinder (12) lateral wall, the method is characterized in that: a cleaning opening (15) is formed in the top of the grinding cylinder (2), and a cleaning turning plate (16) matched with the cleaning opening (15) in shape is arranged in the cleaning opening (15); two ends of the cleaning turning plate (16) are fixedly connected with a turning shaft (17) respectively, and the turning shaft (17) is rotatably connected to the side wall of the grinding cylinder (2) through a bearing;

a plurality of first water outlets are formed in the end face, facing the grinding roller (3), of the cleaning turning plate (16), each first water outlet is vertically connected with one first spraying pipe (20), and the front end of each first spraying pipe (20) extends into the space between every two adjacent stirring disks (4); the lower end of the first spray pipe (20) is connected with a first spray nozzle (21), the first spray nozzle (21) faces the surface of the grinding roller (3), the left side and the right side of the first spray pipe (20) are respectively connected with a second spray nozzle (22) and a third spray nozzle (23), and the second spray nozzle (22) and the third spray nozzle (23) respectively face the connecting positions of two adjacent stirring discs (4) and the grinding roller (3); a plurality of second water outlets are formed in the end face, facing the grinding roller (3), of the cleaning turning plate (16), fourth spraying nozzles (24) are connected to the second water outlets, and the fourth spraying nozzles (24) face the outer ring end face of the stirring disc (4); a flap water inlet pipe (25) is arranged on the end face of the cleaning flap (16) back to the grinding roller (3), a water inlet pore passage (26) is arranged in the cleaning flap (16), the water inlet end of the water inlet pore passage (26) is communicated with the flap water inlet pipe (25), and the water outlet end of the water inlet pore passage (26) is communicated with the first water outlets and the second water outlets; the bottom of the grinding cylinder (2) is fixedly connected with a cleaning water outlet pipe (27), and the cleaning water outlet pipe (27) is communicated with the inner cavity of the grinding cylinder (2);

the water inlet end of the water pump (32) is connected with the water outlet end of the turning plate water inlet pipe (25) through the water inlet pipe (30), the water inlet end of the water pump (32) is connected with the water outlet of the water tank (33) through the water conveying pipe (39), the water inlet of the water tank (33) is connected with the cleaning water outlet pipe (27) through the water return pipe (31), and a water tank filter screen is arranged at the water outlet of the water tank (33).

2. The horizontal sand mill with self-cleaning function according to claim 1, wherein: the driving end of the grinding roller (3) is connected with a first belt wheel (7), the first belt wheel (7) is connected with a second belt wheel (8) through a driving belt (6), the second belt wheel (8) is connected with the driving end of a driving motor (5), and the driving motor (5) is fixed in a main frame (1).

3. The horizontal sand mill with self-cleaning function according to claim 1, wherein: the grinding cylinder (2) side wall is fixedly connected with a feed pipe (14), and the feed pipe (14) is communicated with the inner cavity of the grinding cylinder (2).

4. The horizontal sand mill with self-cleaning function according to claim 1, wherein: any one of turning shafts (17) connected with the two ends of the cleaning turning plate (16) is connected with the driving end of a turning motor (18), and the turning motor (18) is fixed at the top of the grinding cylinder (2).

5. The horizontal sand mill with self-cleaning function according to claim 1, wherein: the edge of the cleaning opening (15) is provided with a circle of sealing ring (19), and the sealing ring (19) can be in sealing contact with the edge of the cleaning turning plate (16).

6. The horizontal sand mill with self-cleaning function according to claim 1, wherein: a water outlet pipe cover (28) is sleeved on the cleaning water outlet pipe (27), the water outlet pipe cover (28) is detachably connected to the surface of the grinding cylinder (2) through a connecting piece, and the inner wall of the water outlet pipe cover (28) seals a water outlet of the cleaning water outlet pipe (27).

7. The horizontal sand mill with self-cleaning function according to claim 1, wherein: the water inlet pipe cover (29) is sleeved on the flap water inlet pipe (25), the water inlet pipe cover (29) is detachably connected to the surface of the cleaning flap (16) through a connecting piece, and the inner wall of the water inlet pipe cover (29) seals the water inlet of the flap water inlet pipe (25).

8. The horizontal sand mill with self-cleaning function according to claim 1, wherein: be equipped with between wet return (31) and water tank (33) rose box (34), rose box (34) side from the top down is equipped with a plurality of slot, and filter box (34) transversely runs through to the slot, insert filter box (35) in the slot, filter box (35) bottom is equipped with filter screen (36), the bottom and water tank (33) the intercommunication of rose box (34), apron (38) are connected at rose box (34) top, are equipped with the return water mouth on apron (38), return water mouth and wet return (31) outlet end intercommunication.

9. The horizontal sand mill with self-cleaning function according to claim 8, wherein: one side of the filter box (35) is fixedly connected with a handle (37).