CN116764786A - Grinding, conveying and filtering equipment for wall putty powder - Google Patents

Abstract

The application relates to grinding, conveying and filtering equipment for wall putty powder, and relates to the field of wall putty powder production, which comprises a grinding mechanism, a conveying mechanism, a filtering mechanism and a finished product bin; the grinding mechanism comprises a crushing assembly, a water supply assembly and a grinding assembly; the crushing assembly comprises a hopper and a crushing piece, and the crushing piece is used for cutting and crushing materials; the water supply assembly is connected with the hopper, the water supply assembly is used for adding water into the hopper, the grinding assembly is positioned at the bottom of the crushing assembly, the grinding assembly is connected with the hopper, and the grinding assembly is used for grinding crushed materials; the conveying mechanism comprises a conveying pipe and a feeding pump, one end of the conveying pipe is communicated with the grinding assembly, the other end of the conveying pipe is communicated with the filtering mechanism, and the feeding pump is fixedly communicated with the conveying pipe; the filtering mechanism is used for filtering the ground powder, and the finished product bin is connected with the filtering mechanism. The application has the effect of reducing dust generated in the production process of putty powder.

Description

Grinding, conveying and filtering equipment for wall putty powder

Technical Field

The application relates to the field of wall putty powder production, in particular to grinding, conveying and filtering equipment for wall putty powder.

Background

Putty powder is one kind of building decorating material and consists of talcum powder and glue as main components. The putty paste produced by blending and stirring the putty powder is used as a base material for wall surface repair and leveling, and aims to lay a good foundation for the next decoration (painting, wallpaper pasting and the like).

The putty powder needs to be crushed with substrates such as dolomite or limestone in the production process, and then the powder is obtained after grinding and filtering, so that the follow-up further processing is facilitated, grinding equipment in the related art is usually adopted for grinding by a screw mill, and screening is carried out by screening equipment, and the whole production process is carried out under the dry condition, so that a large amount of dust generated in the production process escapes, the working environment is seriously polluted, and irreversible health damage can be caused to workers.

Aiming at the related technology, the defect of larger dust generation amount exists in production equipment related to the production of putty powder.

Disclosure of Invention

In order to reduce dust generated in the production process of putty powder, the application provides grinding, conveying and filtering equipment for wall putty powder.

The application provides a wall putty powder grinding, conveying and filtering device, which adopts the following technical scheme:

the equipment for grinding, conveying and filtering the wall putty powder comprises a grinding mechanism, a conveying mechanism, a filtering mechanism and a finished product bin;

the grinding mechanism comprises a crushing assembly, a water supply assembly and a grinding assembly; the crushing assembly comprises a hopper and a crushing piece, wherein the crushing piece is positioned in the hopper and is used for cutting and crushing materials; the water supply assembly is connected with the hopper, the water supply assembly is used for adding water into the hopper, the grinding assembly is positioned at the bottom of the crushing assembly, the grinding assembly is connected with the hopper, and the grinding assembly is used for grinding crushed materials;

the conveying mechanism comprises a conveying pipe and a conveying pump, one end of the conveying pipe is communicated with the grinding assembly, the other end of the conveying pipe is communicated with the filtering mechanism, and the conveying pump is fixedly communicated with the conveying pipe;

the filtering mechanism is used for filtering the ground powder, and the finished product bin is connected with the filtering mechanism.

According to the technical scheme, when putty powder is produced, dolomite or limestone is put into a hopper, then stone is primarily cut and crushed by utilizing a crushing piece, and small blocks of cut stone are finely ground by a grinding assembly, so that base material particles with fineness required by the putty powder are formed; in the crushing and grinding processes, water is added into the hopper through the water supply assembly, so that dust generated in the crushing process is reduced, good working environment is maintained, and the damage to the health of workers is reduced; and moreover, the crushing piece and the grinding component are cooled by adding water, so that the whole overheating of the equipment is avoided, and the service life of the equipment is prolonged. And after finishing grinding, the slurry is conveyed into a filtering mechanism through a conveying mechanism for filtering, so that powder meeting the requirements is further filtered out, and then the powder is coarsely stored in a finished product bin for the next step of sedimentation and drying treatment. The structure ensures that the integration degree of the whole equipment is higher, and is beneficial to realizing continuous production.

Optionally, the crushing piece includes crushing roller, rolls roller and first driving piece, the crushing roller is equipped with two, two the crushing roller all rotates with the hopper and is connected, it is located to roll the roller the crushing roller bottom, roll the roller and be equipped with two, two roll the roller all rotates with the hopper and is connected, first driving piece is used for driving crushing roller and rolls the roller and rotates simultaneously.

By adopting the technical scheme, when crushing, the crushing roller is driven to rotate by the first driving piece, so that the massive stone is cut and crushed, and then the crushed massive stone is crushed by the crushing roller, so that granular materials with proper fineness are further formed, and the next grinding operation is facilitated; the stone is crushed in a grading way through the crushing roller and the grinding roller, so that the stone is cut and crushed fully.

Optionally, the first driving piece is located outside the hopper, the first driving piece includes first motor, driving gear, first driven gear and second driven gear, first motor is used for driving the driving gear rotates, first driven gear is equipped with two, two first driven gear and two crushing roller tip one-to-one coaxial fixed connection, two first driven gear intermesh, arbitrary first driven gear with the driving gear meshing, the second driven gear is equipped with two, two second driven gear and two coaxial fixed connection who rolls roller tip one-to-one, two second driven gear intermesh, arbitrary second driven gear with the driving gear meshing.

Through adopting above-mentioned technical scheme, when cutting the breakage, start first motor, the output shaft of first motor drives the driving gear and rotates, drives a first driven gear and rotates when driving gear rotates, drives another first driven gear with it meshing when first driven gear rotates, and then drives two crushing rollers and rotate to realize the cutting breakage to the raw materials, drive the second driven gear rotation when driving gear rotation, drive another second driven gear rotation with it meshing when the second driven gear rotates, and then drive two roller rotations that roll, thereby realize further carrying out the operation of refining to the material. The crushing roller and the rolling roller can be driven to rotate simultaneously through the driving piece, so that power is saved, and the production cost of equipment is reduced.

Optionally, the milling component includes grinding body, lower mill, goes up mill and second driving piece, the grinding body with hopper bottom fixed connection, the cavity with the hopper intercommunication has been seted up to the grinding body inside, lower mill is located the cavity and rotates with the cavity diapire to be connected, go up the mill and be located the cavity and rotate with the cavity roof to be connected, go up mill and down mill one side that is close to each other and offered the grinding groove, go up the coaxial feed chute of having seted up of mill, feed pipe one end and grinding body fixed connection and with the cavity intercommunication, the second driving piece is used for the drive go up mill and lower mill and rotate towards the opposite direction.

By adopting the technical scheme, crushed raw material particles enter between the upper millstone and the lower millstone through the feed chute, then the second driving piece drives the upper millstone and the lower millstone to rotate towards opposite directions, and the raw material particles are further grinded and refined in the rotation process of the upper millstone and the lower millstone, so that slurry containing powder is formed, and the raw material particles are grinded by matching the upper millstone and the lower millstone, so that the powder with proper fineness is fully formed; the grinding in the cavity in the grinding body can further prevent dust generation, thereby improving the environmental protection degree of the equipment.

Optionally, the second driving piece includes second motor, pivot, third gear, fourth gear and fifth gear, the casing and the grinding body fixed connection of second motor, the pivot with the coaxial fixed connection of output shaft of second motor, in the cavity of one section extension grinding body of pivot, third gear and fourth gear all with the pivot extends to the coaxial fixed connection of one section in the cavity, third gear with go up mill lateral wall meshing, fifth gear with cavity diapire rotates to be connected, fifth gear one side with lower mill lateral wall meshing, opposite side with fourth gear meshing.

By adopting the technical scheme, when grinding, the second motor is started, the output shaft of the second motor drives the rotating shaft to rotate, the rotating shaft drives the third gear to rotate when rotating, the upper grinding disc meshed with the third gear is driven to rotate when rotating, the fourth gear is driven to rotate when rotating, the fifth gear meshed with the fourth gear is driven to rotate when rotating, the lower grinding disc is driven to rotate, and the upper grinding disc and the lower grinding disc can be driven to rotate in opposite directions through the driving piece, so that raw material particles are fully ground; the second driving piece has the advantages of simple structure, reliable transmission and convenient maintenance.

Optionally, the water supply assembly includes water pump and delivery pipe, delivery pipe one end with hopper fixed intercommunication, the other end and water source intercommunication, the water pump with delivery pipe fixed intercommunication.

Through adopting above-mentioned technical scheme, in the production process, open the water pump, then add water in to the hopper through the delivery pipe to make whole production process go on with the form of liquid thick liquids, consequently effectively reduced the dust that produces in the production process, be favorable to compound green's production requirement.

Optionally, the filter mechanism includes filter vat and back flush subassembly, the conveying pipe keep away from the one end of grinding body with filter vat lateral wall fixed intercommunication, be provided with the filter screen in the filter vat, the filter screen is coaxial to encircle to set up in the filter vat, both ends with filter vat inner wall fixed connection about the filter screen, the filter vat bottom with the finished product feed bin intercommunication.

Through adopting above-mentioned technical scheme, in the thick liquids after grinding was carried to the filter vat through conveying mechanism, then the filter screen further filters coarser powder granule in the thick liquids, then in the thick liquids that accords with the fineness requirement passes through the filter screen and gets into the finished product feed bin and store to carry out follow-up sedimentation, drying treatment. The slurry can be further filtered through the arrangement of the filtering mechanism, so that the fineness of the produced putty powder required by compounding is guaranteed.

Optionally, the back flush subassembly includes wash pump and wash pipe, wash pipe one end and water source intercommunication, the other end extend to in the filter vat, the wash pipe is located the filter screen and deviates from the one side of filter vat, wash pump with wash pipe fixed intercommunication.

Through adopting above-mentioned technical scheme, through setting up back flush pipeline, after working a period, open the wash pump, the wash pump forms high-pressure water flow through the wash pipe to wash the filter screen, so that wash away the granule of piling up on the filter screen, and then be favorable to making the filter screen keep stable effectual filter effect.

Optionally, the flushing pipe with the coaxial rotation in filter vat top is connected, the one end intercommunication that the flushing pipe extends to in the filter vat has two branch pipes, a plurality of interval evenly distributed's wash hole has been seted up to the branch pipe towards one side of filter screen, back flush subassembly still includes and is used for the drive the pivoted third driving piece of flushing pipe.

Through adopting above-mentioned technical scheme, in the back flush process, drive the flushing pipe through the third driving piece and rotate, drive two branch pipes and rotate when the flushing pipe rotates to fully carry out the back flush to the filter screen from the filter screen inside, consequently be favorable to guaranteeing good purifying effect to the filter screen.

In summary, the present application includes at least one of the following beneficial technical effects:

1. according to the application, the water supply assembly is arranged, and water is added into the hopper through the water supply assembly in the production process, so that dust generated in the crushing process is reduced, a good working environment is maintained, and the damage to the health of workers is reduced; and the crushing piece and the grinding component are cooled by adding water, so that the whole equipment is prevented from overheating, the service life of the equipment is prolonged, and the integrated degree of the whole equipment is higher by arranging the integrated grinding, conveying and filtering component, so that continuous production is facilitated;

2. according to the application, the raw material particles are further grinded and refined in the rotation process of the grinding disc and the lower grinding disc, so that slurry containing powder is formed, and the raw material particles are grinded by matching the upper grinding disc with the lower grinding disc, so that the powder with proper fineness is fully formed; the grinding is carried out in the cavity in the grinding body, so that dust can be further prevented from being generated, and the environmental protection degree of the equipment is improved;

3. according to the application, the back flushing assembly is arranged, after a period of operation, the flushing pump is started, and the flushing pump forms high-pressure water flow through the flushing pipe, so that the filter screen is flushed, particles accumulated on the filter screen are flushed, and the filter screen can maintain a stable and effective filtering effect.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present application;

fig. 2 is a cross-sectional view of an embodiment of the present application.

Reference numerals: 1. a crushing assembly; 11. a hopper; 12. a crushing member; 121. a crushing roller; 122. a roller; 123. a first motor; 124. a drive gear; 125. a first driven gear; 126. a second driven gear; 2. a water supply assembly; 21. a water pump; 22. a water supply pipe; 3. a milling assembly; 31. a polishing body; 311. a cavity; 32. a lower grinding disc; 33. an upper millstone; 331. a feed chute; 34. a second motor; 35. a rotating shaft; 36. a third gear; 37. a fourth gear; 38. a fifth gear; 4. a conveying mechanism; 41. a feed pipe; 42. a feed pump; 5. a filter vat; 51. a filter screen; 52. a liquid discharge pipe; 521. a valve; 6. a back flushing assembly; 61. a flushing pump; 62. a flushing pipe; 63. a branch pipe; 64. a third motor; 65. a drive gear; 66. a driven gear; 7. and (5) a finished product bin.

Detailed Description

The application is described in further detail below with reference to fig. 1-2.

The embodiment of the application discloses grinding, conveying and filtering equipment for wall putty powder. Referring to fig. 1, a device for grinding, conveying and filtering wall putty powder comprises a grinding mechanism, a conveying mechanism 4, a filtering mechanism and a finished product bin 7.

Referring to fig. 1 and 2, the grinding mechanism includes a crushing assembly 1, a water supply assembly 2, and a pulverizing assembly 3, and the crushing assembly 1 includes a hopper 11 and a crushing member 12.

Referring to fig. 1 and 2, the crushing member 12 is located in the hopper 11, the crushing member 12 includes crushing rollers 121, rolling rollers 122 and a first driving member, the crushing rollers 121 are provided with two, the two crushing rollers 121 are all rotatably connected with the hopper 11, the rotation axes of the two crushing rollers 121 are parallel to each other, the rolling rollers 122 are located at the bottom of the crushing rollers 121, the rolling rollers 122 are provided with two, the two rolling rollers 122 are all rotatably connected with the hopper 11, and the rotation axes of the rolling rollers 122 are parallel to the rotation axes of the crushing rollers 121.

Referring to fig. 1 and 2, the first driving member is located outside the hopper 11, the first driving member includes a first motor 123, a driving gear 124, a first driven gear 125 and a second driven gear 126, a casing of the first motor 123 is fixed with the hopper 11, the driving gear 124 is coaxially and fixedly connected with an output shaft of the first motor 123 by a key, two first driven gears 125 are provided, the two first driven gears 125 are coaxially and fixedly connected with end portions of the two crushing rollers 121 in a one-to-one correspondence manner, the two first driven gears 125 are engaged with each other, and the driving gear 124 is engaged with the first driven gear 125 on one side; the two second driven gears 126 are provided, the two second driven gears 126 are respectively and coaxially fixedly connected with the end parts of the two rolling rollers 122 in a one-to-one correspondence manner, the two second driven gears 126 are meshed with each other, and the driving gear 124 is meshed with the second driven gears 126 on the same side.

Referring to fig. 1 and 2, the water supply assembly 2 includes a water pump 21 and a water supply pipe 22, one end of the water supply pipe 22 is fixedly connected to the hopper 11, and the other end is connected to a water source, and the water pump 21 is fixedly connected to the water supply pipe 22. The water pump 21 adds water into the hopper 11, so that the raw material can be kept wet during crushing, and dust generation can be reduced.

Referring to fig. 1 and 2, the grinding assembly 3 includes a grinding body 31, a lower grinding disc 32, an upper grinding disc 33 and a second driving member, the grinding body 31 is fixedly connected with the bottom of the hopper 11, a cavity 311 communicated with the hopper 11 is formed in the grinding body 31, the lower grinding disc 32 is located in the cavity 311 and is rotationally connected with the bottom wall of the cavity 311, the upper grinding disc 33 is located in the cavity 311 and is rotationally connected with the top wall of the cavity 311, the upper grinding disc 33 and the lower grinding disc 32 are coaxially arranged, a plurality of grinding grooves are formed in one side, close to each other, of the upper grinding disc 33, a feeding groove 331 is coaxially formed in the upper grinding disc 33, one end of the feeding groove 331 is communicated with the bottom of the hopper 11, and the diameter of the feeding groove 331 is gradually reduced towards the direction close to the lower grinding disc 32. The provision of a conical feed hopper 11 facilitates the guiding of the raw material particles into between the upper and lower grinding discs 33, 32 for grinding.

Referring to fig. 1 and 2, the second driving member includes a second motor 34, a rotating shaft 35, a third gear 36, a fourth gear 37 and a fifth gear 38, the second motor 34 is located outside the grinding body 31, a casing of the second motor 34 is fixedly connected with the grinding body 31 by screws, an output shaft of the second motor 34 extends into a cavity 311 of the grinding body 31, one end of the rotating shaft 35 extending into the cavity 311 is coaxially welded with one end of the output shaft extending into the cavity 311, a rotating axis of the rotating shaft 35 is parallel to a rotating axis of the upper grinding disc 33, the third gear 36 and the fourth gear 37 are coaxially fixedly connected with one section of the rotating shaft 35 extending into the cavity 311, and the third gear 36 is meshed with a side wall of the upper grinding disc 33; the fifth gear 38 is rotatably connected to the bottom wall of the cavity 311, the rotation axis of the fifth gear 38 is parallel to the rotation axis of the rotating shaft 35, one side of the fifth gear 38 is engaged with the side wall of the lower grinding disc 32, and the other side is engaged with the fourth gear 37.

Referring to fig. 1 and 2, the feed mechanism 4 includes a feed pipe 41 and a feed pump 42, one end of the feed pipe 41 is welded to the grinding body 31 and communicates with the cavity 311, and the other end communicates with the filter mechanism. The feed pump 42 is in fixed communication with the feed tube 41. When the grinding is completed, the slurry is fed into the filtering mechanism by the feed pump 42, and the slurry is further filtered.

Referring to fig. 1 and 2, the filtering mechanism comprises a filtering barrel 5 and a back flushing assembly 6, one end of a feeding pipe 41, which is far away from the grinding body 31, is fixedly communicated with the side wall of the filtering barrel 5, a filtering net 51 is arranged in the filtering barrel 5, the filtering net 51 is coaxially and circumferentially arranged in the filtering barrel 5, the upper end and the lower end of the filtering net 51 are fixedly connected with the inner wall of the filtering barrel 5, and the bottom of the filtering barrel 5 is fixedly communicated with a finished product bin 7 through a pipeline.

Referring to fig. 1 and 2, the back flushing assembly 6 includes a flushing pump 61, a flushing pipe 62 and a third driving member, the flushing pipe 62 is coaxially and rotatably connected with the top of the filter vat 5, one end of the flushing pipe 62 extending into the filter vat 5 is fixedly communicated with two branch pipes 63, and a plurality of flushing holes uniformly distributed along the axial direction are formed on one side of the branch pipes 63 facing the filter screen 51.

Referring to fig. 1 and 2, the third driving member is located at the top of the filter vat 5, and the third driving member includes a third motor 64, a driving gear 65 and a driven gear 66, where a casing of the third motor 64 is fixedly connected with a top wall of the filter vat 5 by using a screw, an output shaft of the driving gear 65 and an output shaft of the third motor 64 are fixedly connected coaxially by using a key, and one end of the driven gear 66 and a flushing pipe 62 located outside the filter vat 5 are coaxially welded, and the driven gear 66 is meshed with the driving gear 65. The flushing pump 61 forms high-pressure water flow through the flushing pipe 62 and then through the flushing holes of the branch pipes 63, so that the filter screen 51 is flushed and purified, and the branch pipes 63 are driven to rotate by the third driving piece, so that a good flushing effect can be maintained.

Referring to fig. 1 and 2, a drain pipe 52 is fixedly connected to the side wall of the filter vat 5, and a valve 521 is fixedly connected to the drain pipe 52.

The embodiment of the application relates to a wall putty powder grinding, conveying and filtering device, which comprises the following implementation principles: when putty powder is produced, dolomite or limestone is put into the hopper 11, then the stone is primarily cut and crushed by the crushing piece 12, and when the stone is crushed, the crushing roller 121 is driven to rotate by the first driving piece, so that massive stone is cut and crushed, then crushed massive stone is further crushed by the crushing roller 122, so that granular raw materials with proper fineness are further formed, in the production process, the water pump 21 is started, and then water is added into the hopper 11 by the water supply pipe 22, so that the whole production process is carried out in the form of liquid slurry, and dust generated in the production process is effectively reduced.

The crushed raw material particles enter between the upper grinding disc 33 and the lower grinding disc 32 through the feeding chute 331, and then the second driving piece drives the upper grinding disc 33 and the lower grinding disc 32 to rotate towards opposite directions, and the raw material particles are further grinded and refined in the rotation process of the upper grinding disc 33 and the lower grinding disc 32, so that slurry containing powder is formed.

After finishing grinding, the slurry is conveyed into the filter vat 5 through a conveying pump, then the filter screen 51 is used for further filtering coarse powder particles in the slurry, and the slurry meeting the fineness requirement passes through the filter screen 51 and then enters the finished product bin 7 for storage so as to carry out subsequent sedimentation and drying treatment.

After a period of time, turn on the flushing pump 61, drive the flushing pipe 62 through the third driving piece and rotate, drive two branch pipes 63 and rotate when the flushing pipe 62 rotates, wash the granule that piles up on the filter screen 51 in order to wash away through the high-pressure rivers that branch pipe 63 formed to the filter screen 51, and then be favorable to making the filter screen 51 keep stable effectual filter effect.

When the flushing pump 61 is started to perform back flushing, the valve 521 is opened, and then the liquid discharge pipe 52 is communicated with the water supply pipe 22 by adopting a hose, so that the flushed large-particle raw materials are returned into the hopper 11 for continuous grinding, and the waste of the raw materials is reduced.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (9)

1. The utility model provides a grinding, transportation, filtration equipment of wall putty powder which characterized in that: comprises a grinding mechanism, a conveying mechanism (4), a filtering mechanism and a finished product bin (7);

the grinding mechanism comprises a crushing assembly (1), a water supply assembly (2) and a grinding assembly (3); the crushing assembly (1) comprises a hopper (11) and a crushing piece (12), wherein the crushing piece (12) is positioned in the hopper (11), and the crushing piece (12) is used for cutting and crushing materials; the water supply assembly (2) is connected with the hopper (11), the water supply assembly (2) is used for adding water into the hopper (11), the grinding assembly (3) is positioned at the bottom of the crushing assembly (1), the grinding assembly (3) is connected with the hopper (11), and the grinding assembly (3) is used for grinding crushed materials;

the conveying mechanism (4) comprises a conveying pipe (41) and a conveying pump (42), one end of the conveying pipe (41) is communicated with the grinding assembly (3), the other end of the conveying pipe is communicated with the filtering mechanism, and the conveying pump (42) is fixedly communicated with the conveying pipe (41);

the filtering mechanism is used for filtering the ground powder, and the finished product bin (7) is connected with the filtering mechanism.

2. The wall putty powder grinding, conveying and filtering device according to claim 1, wherein: crushing piece (12) are including crushing roller (121), roll roller (122) and first driving piece, crushing roller (121) are equipped with two, two crushing roller (121) all rotate with hopper (11) and are connected, roll roller (122) are located crushing roller (121) bottom, roll roller (122) are equipped with two, two roll roller (122) all rotate with hopper (11) and are connected, first driving piece is used for driving crushing roller (121) and rolls roller (122) and rotates simultaneously.

3. The wall putty powder grinding, conveying and filtering device according to claim 2, wherein: the first driving piece is located outside the hopper (11), the first driving piece includes first motor (123), driving gear (124), first driven gear (125) and second driven gear (126), first motor (123) are used for driving gear (124) rotate, first driven gear (125) are equipped with two, two first driven gear (125) and two crushing roller (121) tip one-to-one coaxial fixed connection, two first driven gear (125) intermesh, arbitrary first driven gear (125) with driving gear (124) meshing, second driven gear (126) are equipped with two, two second driven gear (126) and two coaxial fixed connection of rolling roller (122) tip one-to-one, two second driven gear (126) intermesh, arbitrary second driven gear (126) and driving gear (124) meshing.

4. The wall putty powder grinding, conveying and filtering device according to claim 1, wherein: the grinding assembly (3) comprises a grinding body (31), a lower grinding disc (32), an upper grinding disc (33) and a second driving piece, wherein the grinding body (31) is fixedly connected with the bottom of the hopper (11), a cavity (311) communicated with the hopper (11) is formed in the grinding body (31), the lower grinding disc (32) is located in the cavity (311) and is rotationally connected with the bottom wall of the cavity (311), the upper grinding disc (33) is located in the cavity (311) and is rotationally connected with the top wall of the cavity (311), one side, close to each other, of the upper grinding disc (33) and the lower grinding disc (32) is provided with a grinding groove, the upper grinding disc (33) is coaxially provided with a feeding groove (331), one end of the feeding pipe (41) is fixedly connected with the grinding body (31) and is communicated with the cavity (311), and the second driving piece is used for driving the upper grinding disc (33) and the lower grinding disc (32) to rotate towards the reverse direction.

5. The wall putty powder grinding, conveying and filtering device according to claim 4, wherein: the second driving piece comprises a second motor (34), a rotating shaft (35), a third gear (36), a fourth gear (37) and a fifth gear (38), wherein a shell of the second motor (34) is fixedly connected with a grinding body (31), an output shaft of the second motor (34) is fixedly connected with the rotating shaft (35), one section of the rotating shaft (35) extends into a cavity (311) of the grinding body (31), the third gear (36) and the fourth gear (37) are coaxially and fixedly connected with one section of the rotating shaft (35) extending into the cavity (311), the third gear (36) is meshed with the side wall of the upper grinding disc (33), the fifth gear (38) is rotatably connected with the bottom wall of the cavity (311), and one side of the fifth gear (38) is meshed with the side wall of the lower grinding disc (32), and the other side of the fifth gear is meshed with the fourth gear (37).

6. The wall putty powder grinding, conveying and filtering device according to claim 1, wherein: the water supply assembly (2) comprises a water pump (21) and a water supply pipe (22), one end of the water supply pipe (22) is fixedly communicated with the hopper (11), the other end of the water supply pipe is communicated with a water source, and the water pump (21) is fixedly communicated with the water supply pipe (22).

7. The wall putty powder grinding, conveying and filtering device according to claim 4, wherein: the filter mechanism comprises a filter vat (5) and a back flushing assembly (6), wherein the feeding pipe (41) is far away from one end of the grinding body (31) and the side wall of the filter vat (5) are fixedly communicated, a filter screen (51) is arranged in the filter vat (5), the filter screen (51) is coaxially and circumferentially arranged in the filter vat (5), the upper end and the lower end of the filter screen (51) are fixedly connected with the inner wall of the filter vat (5), and the bottom of the filter vat (5) is communicated with a finished product bin (7).

8. The wall putty powder grinding, conveying and filtering device according to claim 7, wherein: the back flushing assembly (6) comprises a flushing pump (61) and a flushing pipe (62), one end of the flushing pipe (62) is communicated with a water source, the other end of the flushing pipe extends into the filter vat (5), the flushing pipe (62) is located on one side, deviating from the filter vat (5), of the filter screen (51), and the flushing pump (61) is fixedly communicated with the flushing pipe (62).

9. The wall putty powder grinding, conveying and filtering device according to claim 8, wherein: the washing pipe (62) with coaxial rotation in filter vat (5) top is connected, the one end intercommunication that washing pipe (62) extended to in filter vat (5) has two branch pipes (63), a plurality of interval evenly distributed's wash hole has been seted up towards one side of filter screen (51) to branch pipe (63), back flush subassembly (6) still include be used for the drive washing pipe (62) pivoted third driving piece.