CN110904712B

CN110904712B - A waste paper raw material beating machine

Info

Publication number: CN110904712B
Application number: CN201911268278.6A
Authority: CN
Inventors: 王岩
Original assignee: Anhui Jingxian Yibaopai Xuan Paper Crafts Co ltd
Current assignee: Anhui Jingxian Yibaopai Xuan Paper Crafts Co ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2021-02-12
Anticipated expiration: 2039-12-11
Also published as: CN110904712A

Abstract

The invention discloses a beating machine for waste paper raw materials, which comprises a crushing device, a beating cylinder, an inner cylinder arranged in the beating cylinder, a beating mechanism arranged in the inner cylinder and a drainage mechanism used for pushing the pulp in the beating cylinder to flow in from an upper opening of the inner cylinder, the drainage mechanism comprises a stirring shaft arranged in the inner cylinder, a plurality of first fixed sleeves uniformly arranged on the stirring shaft, stirring blades uniformly obliquely arranged on the first fixed sleeves, and a first driving piece for driving the stirring shaft to rotate, the crushing device comprises a crushing box, a crushing mechanism arranged in the crushing box, a control mechanism for controlling the feeding speed of the crushing box and a blanking mechanism, the invention can control the dropping speed of the waste paper through the control mechanism, the waste paper can uniformly fall on the crushing mechanism, the crushing effect of the waste paper is guaranteed, and subsequent pulping is facilitated.

Description

Waste paper raw materials beating machine

Technical Field

The invention belongs to the technical field of papermaking, and particularly relates to a waste paper raw material beating machine.

Background

Waste paper refers to recyclable and renewable resources which are discarded after being used in production and life, and comprises various high-grade paper, yellow board paper, waste paper boxes, edge cutting paper, packing paper, paper for enterprises and units, paper for engineering, books and periodicals, and the like. With the rapid development of the economic society, the use amount of paper also rapidly rises, and waste paper is produced in large quantities. The paper is mainly made of plant fibers such as wood, grass, reed, bamboo and the like, the waste paper is also called as secondary fiber, and the most important purpose is to produce recycled paper products by recycling the fibers. In the process of recycling waste paper, the waste paper needs to be beaten. At present, some beating machines on the market adopt the unipolar making beating, can not fully make beating to the piece, and the making beating is thorough inadequately, and work efficiency is low, and current beating machine in addition can not control waste paper raw materials feed speed, causes the paper crushing effect not good.

Disclosure of Invention

The invention provides the waste paper raw material beating machine which is sufficient in beating, high in efficiency and controllable in feeding speed, and aims to overcome the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: a waste paper raw material beating machine comprises a crushing device, a beating cylinder, an inner cylinder arranged in the beating cylinder, a beating mechanism arranged in the inner cylinder and a drainage mechanism used for pushing slurry in the beating cylinder to flow in from an upper opening of the inner cylinder, wherein the drainage mechanism comprises a stirring shaft arranged in the inner cylinder, a plurality of first fixed sleeves uniformly arranged on the stirring shaft, stirring blades uniformly obliquely arranged on the first fixed sleeves and a first driving piece driving the stirring shaft to rotate; the stirring blade arranged obliquely is rotated to push the slurry in the inner cylinder to flow downwards, when the slurry flows to the bottom of the pulping cylinder, the slurry flows upwards along the bottom of a cavity formed by the inner cylinder and the pulping cylinder due to continuous extrusion of the slurry, and then flows to the upper opening of the inner cylinder, so that the slurry can flow circularly in the inner cylinder and continuously impacts on a pulping mechanism of the inner cylinder, the slurry in the pulping cylinder is guaranteed to be completely pulped, the chips in the slurry can be repeatedly pulped, and the pulping is more sufficient and thorough; the falling speed of the waste paper can be controlled through the control mechanism, so that the waste paper can uniformly fall on the crushing mechanism, the crushing effect of the waste paper is guaranteed, and the subsequent pulping is facilitated.

The control mechanism comprises a feed opening arranged at the upper end of the crushing box, a feed hopper matched with the feed opening, baffles symmetrically arranged at two sides of the feed opening and a baffle driving assembly for driving the baffles to turn over; by rotating the baffles, the distance between the two baffles can be changed, so that the gap formed by the two baffles is changed, and the falling speed of the waste paper is controlled.

The baffle driving assembly comprises a sliding groove arranged on the lower surface of the baffle, a sliding block matched with the sliding groove and a screw rod screwed on the side wall of the crushing box, and the end part of the screw rod is fixedly connected with the sliding block; through rotating the screw rod, can promote the slider for the baffle rotates, changes the interval between two baffles, and then makes the space that two baffles formed change, thereby controls the speed that drops of waste paper, guarantees the crushing effect of waste paper, the follow-up making beating of being convenient for.

The crushing mechanism comprises crushing rollers symmetrically arranged in the crushing box, crushing teeth uniformly arranged on the crushing rollers and a crushing driving piece for driving the crushing rollers to rotate; the crushing rollers are driven to rotate by the crushing driving part, so that the crushing teeth on the two crushing rollers are meshed, and the waste paper falling between the two crushing rollers is crushed, thereby facilitating subsequent pulping.

The blanking mechanism comprises a feed inlet arranged at the top end of the pulping barrel, a feed delivery pipe and a valve arranged in the feed delivery pipe, wherein one end of the feed delivery pipe is communicated with the crushing box, and the other end of the feed delivery pipe is communicated with the feed inlet; the crushed paper can be conveyed into the pulping cylinder through the conveying pipe, so that the paper can be conveniently pulped.

The pulping mechanism comprises a first pulping component arranged at the upper opening of the inner cylinder and a second pulping component arranged at the lower end of the inner cylinder.

The first pulping assembly comprises a second fixing sleeve arranged on the stirring shaft, a first fixing rod uniformly arranged on the second fixing sleeve, a grinding and cutting ring arranged on the first fixing rod, a first through hole uniformly arranged on the wall of the inner cylinder and an anti-abrasion component, wherein the outer wall of the grinding and cutting ring is attached to the inner wall of the inner cylinder, and a second through hole is formed in the grinding and cutting plate corresponding to the first through hole; through rotating the mill and cutting the ring, can make second through-hole and first through-hole dislocation, can play the effect that cuts that removes at the in-process second through-hole of dislocation and first through-hole, will flow through first through-hole and the partly piece of second through-hole and decide for littleer piece, the follow-up making beating of being convenient for.

The second pulping component comprises a first grinding and cutting plate arranged on the stirring shaft, a third fixing sleeve arranged on the stirring shaft, a second grinding and cutting plate arranged on the third fixing sleeve, a connecting component used for connecting the second grinding and cutting plate with the third fixing sleeve, a driving component used for driving the first grinding and cutting plate to be attached to the second grinding and cutting plate, and a separating component used for separating the first grinding and cutting plate from the second grinding and cutting plate, wherein the first grinding and cutting plate is uniformly provided with third through holes, the upper surface of the first grinding and cutting plate is attached to the bottom of the stirring blade, and the second grinding and cutting plate and the third through holes are correspondingly provided with fourth through holes; grind the cutting board through rotating the second, can make third through-hole and fourth through-hole dislocation, can play at the in-process third through-hole of dislocation and fourth through-hole and cut broken effect, further diminish the piece in the thick liquid, make the making beating more abundant and thorough, and first mill cutting board upper surface and the laminating of stirring blade, then stirring blade can be better to piling up the piece in the third through-hole excision breakage at the pivoted in-process, can also avoid the piece to block up the third through-hole, guarantee water efficiency.

In conclusion, the stirring blade arranged obliquely is rotated to push the slurry in the inner cylinder to flow downwards, when the slurry flows to the bottom of the pulping cylinder, the slurry is extruded continuously by the slurry, flows upwards along the bottom of a cavity formed by the inner cylinder and the pulping cylinder and further flows to the upper opening of the inner cylinder, so that the slurry can flow circularly in the inner cylinder and continuously impacts on a pulping mechanism of the inner cylinder, the slurry in the pulping cylinder is guaranteed to be pulped completely, chips in the slurry can be pulped repeatedly, and the pulping is more sufficient and thorough; the falling speed of the waste paper can be controlled through the control mechanism, so that the waste paper can uniformly fall on the crushing mechanism, the crushing effect of the waste paper is guaranteed, and the subsequent pulping is facilitated.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the internal structure of the beater tube.

Fig. 3 is an enlarged view of fig. 2 at a.

Fig. 4 is an enlarged view of fig. 2 at B.

FIG. 5 is a cross-sectional view of a beater tube.

Fig. 6 is an enlarged view of fig. 5 at a.

Fig. 7 is an enlarged view at B of fig. 5.

Fig. 8 is a cross-sectional view of the present invention.

Fig. 9 is an enlarged view of fig. 8 at a.

Fig. 10 is a schematic structural view of the filter device.

Detailed Description

As shown in fig. 1-10, a used paper raw material beating machine comprises a crushing device, a filtering device, a beating cylinder 1, an inner cylinder, a beating mechanism and a drainage mechanism, wherein the crushing device comprises a crushing box 7, a feed opening 71, a feed hopper 72, a baffle 73, a sliding groove 74, a slide block 75, a screw 76, a crushing roller 77, crushing teeth 78, a feed inlet 2, a feed delivery pipe 22, a water inlet pipe 24, a flow meter 25 and a fixing frame 26, the crushing box 7 is fixed on the fixing frame 26, the feed opening 71 is arranged at the top of the crushing box, the feed hopper 72 is covered on the feed opening, the baffle 73 is symmetrically arranged at two sides of the feed opening, one side of the baffle is hinged on the inner wall of the crushing box, the sliding groove 74 is arranged at the lower surface of the baffle 73, the slide block 75 can slide relative to the sliding groove, the screw is screwed on the side wall of the crushing box, and the end part is, the sliding block can be pushed to enable the baffles to rotate, so that the distance between the two baffles is changed, and further, the gap formed by the two baffles is changed, the falling speed of waste paper is controlled, the crushing effect of the waste paper is ensured, and the subsequent pulping is facilitated; the feed inlet 2 is arranged at the top end of the pulping barrel 1, one end of the conveying pipe 22 is fixed at the bottom of the storage barrel and communicated with the storage barrel, the other end of the conveying pipe covers the feed inlet, and a ball valve is arranged in the conveying pipe. One end of the water inlet pipe 24 is fixed on the side wall of the pulping barrel 1 and is communicated with the pulping barrel, the other end of the water inlet pipe is communicated with the water tank, the flowmeter 25 is a conventional liquid flowmeter and is arranged on the water inlet pipe, and crushed paper shreds can be conveyed into the pulping barrel through the conveying pipe, so that the paper shreds are convenient to pulp; crushing roller 77 symmetry is located smashes the incasement, and both ends rotate with crushing case lateral wall respectively and are connected, rotate through motor drive, smash tooth 78 chooses for use conventional crushing tooth, evenly fixes on crushing roller, then smashes the roller rotation through crushing driving piece drive for crushing tooth on two crushing rollers meshes mutually, and then the waste paper that drops between two crushing rollers will be smashed, the follow-up making beating of being convenient for.

The drainage mechanism comprises a stirring shaft 4, a first fixing sleeve 41, stirring blades 42 and a first driving part 43, two ends of the stirring shaft 4 are respectively rotatably connected with the upper end and the lower end of the pulping barrel, the first driving part 43 adopts a conventional motor, an output shaft of the first driving part is fixed at the end part of the stirring shaft 4, the first fixing sleeve 41 adopts a conventional sleeve and is uniformly fixed on the stirring shaft 4, preferably 2 stirring blades are adopted, the stirring blades 42 adopt rectangular blades and are obliquely fixed on the first fixing sleeve, preferably six stirring blades are arranged, the slurry in the inner barrel can be pushed to flow downwards by rotating the obliquely arranged stirring blades, when the slurry flows to the bottom of the pulping barrel, the slurry flows upwards along the bottom of a cavity formed by the inner barrel and the pulping barrel due to continuous extrusion of the slurry, and further flows to an opening on the inner barrel, so that the slurry can circularly flow in the inner barrel, and continuously impacts on the pulping mechanism of the inner barrel, both guaranteed that the thick liquid in the beating cylinder is all beaten, can beat the piece in the thick liquid again repeatedly, it is more abundant to beat, more thorough.

The pulping mechanism comprises a first pulping component and a second pulping component, the first pulping component comprises a second fixing sleeve 3, a first fixing rod 31, a grinding and cutting ring 32, a first through hole 33, a mounting groove, a ball 35, a first collecting groove 36, a second collecting groove 37 and a liquid inlet 38, the second fixing sleeve 3 is fixed on the stirring shaft by a conventional sleeve 3, one end of the first fixing rod 31 is fixed on the second fixing sleeve, the grinding and cutting ring 32 is a pipe body with the same outer diameter and inner diameter of the inner cylinder and is uniformly provided with second through holes 39, the first through hole 33 is arranged on the cylinder wall of the inner cylinder and corresponds to the second through hole, the second through hole and the first through hole can be staggered by rotating the grinding and cutting ring, the second through hole and the first through hole can play a movable cutting effect in the staggering process, and a part of scraps flowing through the first through hole and the second through hole is cut into smaller scraps, facilitating subsequent pulping; the mounting groove is seted up on the inner wall of inner tube, ball 35 chooses for use conventional ball, evenly locates in the mounting groove, first collecting vat 36 evenly locates on the inner wall of inner tube, second collecting vat 37 is seted up on grinding and cutting the ring, corresponds with first collecting vat and sets up, inlet 38 is seted up on grinding and cutting the ring, with the second collecting vat intercommunication, then can collect the piece between grinding and cutting ring and the inner tube through first collecting vat and second collecting vat, discharges after receiving the hydraulic pressure that the inlet got into to it remains between grinding and cutting ring and inner tube to avoid the piece.

The second pulping component comprises a first grinding and cutting plate 5, a third fixed sleeve 51, a second grinding and cutting plate 52, a sliding groove, a fixed plate 53, a second fixed rod 54, a fixed column 55, a first elastic piece 56, a first annular groove 57, a second annular groove 58, a first bulge 571, a second bulge 581, a slot and an annular inserting plate 59, wherein the first grinding and cutting plate 5 is a circular plate with the same diameter and inner diameter of the inner cylinder and fixed on the inner wall of the inner cylinder, the upper surface of the first grinding and cutting plate is attached to a stirring blade, third through holes 511 are uniformly formed in the surface of the first grinding and cutting plate, the third fixed sleeve 51 is fixed on the stirring shaft, the sliding groove is formed in the third fixed sleeve and is a T-shaped groove, the fixed plate 53 can slide up and down relative to the sliding groove, the second grinding and cutting plate 52 is a circular plate with the same diameter and inner diameter of the inner cylinder, the center of the circular hole, the second grinding and cutting plate can rotate along with the stirring shaft through the matching of the sliding chute and the fixed plate, and the second grinding and cutting plate is not influenced to move up and down so as to prevent debris from being accumulated between the two grinding and cutting plates; the second grinding and cutting plate 52 is uniformly provided with fourth through holes corresponding to the third through holes, the third through holes and the fourth through holes can be staggered by rotating the second grinding and cutting plate, the third through holes and the fourth through holes can play a role in cutting and crushing in the staggered process, and fragments in the slurry are further reduced, so that pulping is more sufficient and thorough, the upper surface of the first grinding and cutting plate is attached to the stirring blade, the stirring blade can better cut and crush the fragments accumulated in the third through holes in the rotating process, the third through holes can be prevented from being blocked by the fragments, and the water passing efficiency is ensured; one end of the second fixing rod 54 is fixed on the third fixing sleeve, the fixing column 55 is uniformly fixed on the second fixing rod, the diameter of the fixing column is the same as the diameter of the fourth through hole, the first elastic piece 56 is sleeved on the fixing column, the upper end of the first elastic piece is fixed on the second grinding and cutting plate, the lower end of the first elastic piece is fixed on the second fixing rod, the second grinding and cutting plate can be tightly attached to the first grinding and cutting plate through the first elastic piece, so that the cutting and crushing effects of the two grinding and cutting plates are better, the guide column is arranged, the certain limiting effect can be achieved, the pressure applied to the fixing plate in the rotating process can be shared, and the service life of the device is; the first annular groove 57 is formed in the lower surface of the first grinding and cutting plate, the second annular groove 58 is formed in the upper surface of the second grinding and cutting plate and vertically corresponds to the first annular groove, the first protrusion 571 is fixed in the first annular groove and can slide relative to the second annular groove, the second protrusion 581 is fixed in the second annular groove and can slide relative to the first annular groove, so that the second grinding and cutting plate rotates, when the first protrusion is in contact with the second protrusion, the second grinding and cutting plate moves downwards, the slurry impacts the upper surface of the second grinding and cutting plate, and then chips are punched out of the fourth annular hole, so that the chips are prevented from being remained between the first grinding and cutting plate and the second grinding and cutting plate; annular picture peg 59 is fixed on the second grinds the cutting board, the slot is seted up on first grinds the cutting board, can supply annular picture peg to insert, guarantees that first mill cutting board and second grind the cutting board and can closely laminate.

The filter device comprises a feeding pipe 62, a filter cartridge 63, a filter screen mounting groove 64, a first filter screen 693, a second elastic part 65, an inserting plate 66, an inserting groove, a rotating shaft 67, a cleaning brush 68, a second driving part 69, a pressing rod 691 and a spherical bulge 692, wherein the multiple filter screen mounting groove 64 is formed in the inner wall of the filter cartridge, the second elastic part 65 is selected from a spring and is uniformly fixed in the mounting groove 64, and the first filter screen can shake to a certain degree when being impacted by water flow by arranging the second elastic part so as to shake out small particle impurities in the first filter screen, so that the water passing efficiency of the first filter screen is ensured, the inserting plate 66 is fixed on the upper surface of the first filter screen, and the inserting groove matched with the inserting plate 66 is formed in the inner wall of the filter cartridge; the second driving piece chooses conventional motor for use, axis of rotation 67 is fixed on the output of second driving piece, cleaning brush 68 is fixed at the lower extreme of axis of rotation, then can drive cleaning brush through the second driving piece and rotate, and then can clear up first filter screen surface, the lower extreme at the axis of rotation is fixed to depression bar 691, the protruding 692 of ball-type evenly fixes on the surface of first filter screen, and then the depression bar will constantly contact with the ball-type is protruding along with axis of rotation pivoted in-process, and then pushes down first filter screen for first filter screen fast shake, and then shake out the impurity in the first filter screen, guarantee the water efficiency of first filter screen.

Claims

1. A waste paper raw material beater, comprising a pulverizing device, a filtering device, a beating cylinder (1), an inner cylinder provided in the beating cylinder (1), a beating mechanism provided in the inner cylinder, and a beating mechanism for The drainage mechanism for pushing the slurry in the beating cylinder to flow from the upper opening of the inner cylinder is characterized in that: the drainage mechanism comprises a stirring shaft (4) arranged in the inner cylinder, and a stirring shaft (4) evenly arranged on the stirring shaft (4). A plurality of first fixed sleeves (41), stirring blades (42) uniformly inclined on the first fixed sleeves (41), and a first driving member for driving the stirring shaft to rotate, and the pulverizing device includes a crushing box (7), a crushing mechanism arranged in the crushing box, a control mechanism for controlling the feeding speed of the crushing box, and a feeding mechanism;

The control mechanism includes a feeding port (71) arranged at the upper end of the pulverizing box (7), a feeding hopper (72) matched with the feeding port (71), and symmetrically arranged on both sides of the feeding port a baffle (73) and a baffle drive assembly that drives the baffle to turn over;

The baffle drive assembly includes a sliding groove (74) provided on the lower surface of the baffle (73), a sliding block (75) matched with the sliding groove (74), and a sliding block (75) screwed to the crushing box a screw (76) on the side wall, the end of the screw (76) is fixedly connected with the slider (75);

The pulverizing mechanism comprises pulverizing rollers (77) symmetrically arranged in the pulverizing box (7), pulverizing teeth (78) uniformly arranged on the pulverizing rollers, and a pulverizing driving member for driving the pulverizing rollers to rotate;

The feeding mechanism comprises a feeding port (2) provided at the top of the beating cylinder (1), a feeding pipe (22) and a valve provided in the feeding pipe, and one end of the feeding pipe (22) is It is connected to the crushing box, and the other end is connected to the feeding port;

The beating mechanism includes a first beating assembly disposed at the opening of the upper end of the inner cylinder and a second beating assembly disposed at the lower end of the inner cylinder, and the first beating assembly includes a beating assembly disposed on the stirring shaft (4). The second fixing sleeve (3), the first fixing rod (31) evenly arranged on the second fixing sleeve (3), the grinding ring ( 32) The first through hole (33) and the anti-wear part are evenly arranged on the wall of the inner cylinder, the outer wall of the grinding ring (32) is attached to the inner wall of the inner cylinder, and the grinding ring The through hole (33) is correspondingly provided with a second through hole (39);

The second beating assembly comprises a first grinding and cutting plate (5) arranged on the stirring shaft (4), a third fixing sleeve (51) arranged on the stirring shaft (4), and a third fixing sleeve (51) arranged on the stirring shaft (4). The second grinding and cutting plate (52) on the third fixing sleeve (51), the connecting member for connecting the second grinding and cutting plate and the third fixed sleeve, and the connecting member for driving the first grinding and cutting plate and the third fixed sleeve. The driving part for attaching the second grinding and cutting board and the separating part for separating the first grinding and cutting board from the second grinding and cutting board, the first grinding and cutting board (5) is uniformly provided with third through holes (511), and The upper surface of the first grinding and cutting board is attached to the bottom of the stirring blade, and the second grinding and cutting board is provided with a fourth through hole corresponding to the third through hole;

One end of the water inlet pipe (24) is fixed on the side wall of the beating cylinder (1), and is communicated with the beating cylinder, and the other end is communicated with the water tank. The shredded paper can be transported into the beating drum, which is convenient for beating the shredded paper;

The stirring blade (42) is a rectangular blade, which is fixed obliquely on the first fixed sleeve. The number of the blades is six, and the slurry in the inner cylinder can be pushed to flow downward by rotating the inclined stirring blade;

The installation groove is opened on the inner wall of the inner cylinder, the balls are evenly arranged in the installation groove, the first collection groove (36) is evenly arranged on the inner wall of the inner cylinder, and the second collection groove (37) is opened on the grinding and cutting ring, and the first collection groove (37) is opened on the grinding and cutting ring. A collection tank is correspondingly opened, and the liquid inlet (38) is opened on the grinding and cutting ring and communicated with the second collection tank;

The second beating assembly further comprises a chute, a fixing plate (53), a second fixing rod (54), a fixing column (55), a first elastic member (56), a first annular groove (57), a second annular The groove (58), the first protrusion (571), the second protrusion (581), the slot and the annular insert plate (59), the first grinding and cutting plate (5) is a circle with the same diameter as the inner diameter of the inner cylinder The plate is fixed on the inner wall of the inner cylinder, the chute is opened on the third fixing sleeve, which is a T-shaped groove, the fixing plate (53) can slide up and down relative to the chute, the second grinding plate (53) 52) It is a circular plate with the same diameter as the inner diameter of the inner cylinder. There is a circular hole in the center. The inner wall of the circular hole is fixedly connected with the fixed plate. The rotation of the stirring shaft does not affect the up and down movement of the second grinding and cutting board, so as to prevent debris from accumulating between the two grinding and cutting boards. One end of the second fixing rod (54) is fixed on the third fixing sleeve, and the fixing column (55) is evenly fixed on the second fixing rod, the diameter of which is the same as the diameter of the fourth through hole, the first elastic member (56) is sleeved on the fixing column, the upper end is fixed on the second grinding and cutting board, and the lower end is fixed On the second fixing rod, the first annular groove (57) is formed on the lower surface of the first grinding and cutting plate, and the second annular groove (58) is formed on the upper surface of the second grinding and cutting plate, which is the same as the first grinding and cutting plate. The annular grooves correspond up and down, the first protrusion (571) is fixed in the first annular groove and can slide relative to the second annular groove, and the second protrusion (581) is fixed in the second annular groove and can be relative to the second annular groove. An annular slot slides, the annular insert plate (59) is fixed on the second grinding and cutting plate, and the slot is opened on the first grinding and cutting plate, which can be inserted into the annular inserting plate to ensure that the first grinding and cutting plate is connected to the second grinding and cutting plate. The second grinding cutting board can fit closely;

The filtering device includes a feeding pipe (62), a filter cartridge (63), a filter screen installation slot (64), a first filter screen (693), a second elastic member (65), a plug-in plate (66), and a plug-in groove , rotating shaft (67), cleaning brush (68), second driving member (69), pressure rod (691) and spherical protrusion (692), the filter screen installation groove (64) is opened on the inner wall of the filter cartridge Above, the second elastic member (65) is a spring, which is evenly fixed in the filter screen installation groove (64). Shake out the small particles of impurities in the first filter screen to ensure the water passing efficiency of the first filter screen. 66) Matching sockets, the second driving member is a motor, the rotating shaft (67) is fixed on the output end of the second driving member, and the cleaning brush (68) is fixed on the lower end of the rotating shaft, then The cleaning brush can be driven to rotate by the second driving member, thereby cleaning the surface of the first filter screen. The pressing rod (691) is fixed on the lower end of the rotating shaft, and the spherical protrusion (692) is evenly fixed on the first filter screen. the surface of the filter screen, the pressure rod will continue to contact the spherical protrusion during the rotation of the rotating shaft, and then the first filter screen will be pressed down, so that the first filter screen will vibrate rapidly, and then the impurities in the first filter screen will be removed. Shake out to ensure the water passing efficiency of the first filter.