CN113084569A

CN113084569A - Numerical control machine tool capable of achieving double-station machining

Info

Publication number: CN113084569A
Application number: CN202110379157.XA
Authority: CN
Inventors: 邬昌军; 郑明明; 王巧花; 金玉凯; 龚晓赟; 李立伟; 谢贵重; 吴立辉; 宋晓辉; 张国辉; 王良文
Original assignee: Zhengzhou University of Light Industry
Current assignee: Zhengzhou University of Light Industry
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2021-07-09
Anticipated expiration: 2041-04-08
Also published as: CN113084569B; CN115635357A

Abstract

The invention discloses a numerically controlled machine tool capable of double-station machining, comprising a body, a transmission cavity and an equipment cavity are arranged inside the machine body, an exchange mechanism is arranged inside the equipment cavity, and a right side of the machine body is arranged with a transmission cavity and an equipment cavity. In the transmission mechanism, a filter plate is fixedly connected to the inner wall of the transmission cavity, a material guide plate is fixedly connected between the surface of the filter plate and the bottom wall of the transmission cavity, and a sealing plate is movably connected to the outer surface of the body. The outer surface of the sealing plate is fixedly connected with a second handle, and the front part of the body is fixedly installed with a control panel, which does not require manual cleaning afterwards, saves time and effort, and then can process two workpieces at the same time, which can improve work efficiency. And the use of a single first motor is conducive to saving costs, facilitating the staff to pick and place the workpiece, and saving time. The filtered coolant is transported into the nozzle by the guide pipe, and then sprayed out for secondary use, which can save costs.

Description

Numerical control machine tool capable of achieving double-station machining

Technical Field

The invention relates to the field of numerical control machine tools, in particular to a numerical control machine tool capable of machining in double stations.

Background

The numerical control machine tool automatically processes the processed parts according to a processing program programmed in advance. The machining process route, process parameters, tool motion track, displacement, cutting parameters and auxiliary functions of the part are compiled into a machining program list according to instruction codes and program formats specified by the numerical control machine, and then the content in the program list is recorded on a control medium and then input into a numerical control device of the numerical control machine, so that the machine tool is instructed to machine the part.

Along with the development of industry, most enterprises all use the digit control machine tool to make the part, and current digit control machine tool can only process single work piece, and machining efficiency is not high, and is with high costs, and adds the sweeps that produces man-hour, needs the manual work to clear up to and the filtration pore on the filter plate blocks up easily, wastes time and energy, and adds man-hour needs to adopt a large amount of coolants to cool off, causes the wasting of resources, so, we provide the digit control machine tool that can duplex position processing.

Disclosure of Invention

The invention mainly aims to provide a numerical control machine tool capable of machining in double stations, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides a but digit control machine tool of duplex position processing, includes the organism, the inside of organism is provided with transmission chamber and equipment chamber, the inside in equipment chamber is provided with the change mechanism, the right side of organism is provided with drive mechanism, the inner wall fixedly connected with filter plate in transmission chamber, fixedly connected with stock guide between the surface of filter plate and the diapire in transmission chamber, the surface swing joint of organism has the closing plate, the outer fixed surface of closing plate is connected with the second handle, the anterior fixed mounting of organism has control panel.

Preferably, the transmission mechanism comprises a first motor fixedly installed on the outer surface of the machine body, the output end of the first motor is fixedly connected with a transmission shaft, two sides of the outer surface of the transmission shaft are respectively provided with a worm, two sides of the inner wall of the transmission cavity are respectively connected with a screw rod through a bearing in a rotating manner, one end of the screw rod extends to the outside of the machine body and is fixedly connected with a worm wheel, the outer surface of the worm is meshed with the worm wheel, the inner side wall of the transmission cavity is fixedly connected with a support plate, the lower surface of the support plate is fixedly connected with a spring, the bottom end of the spring is fixedly connected with a squeezing plate, the upper part of the squeezing plate is fixedly connected with a transmission column, the top end of the transmission column penetrates through a sliding chute and extends to the upper part of the support plate, the outer, two fixedly connected with extrusion piece between the support bar, the bottom fixedly connected with scraper blade of L shape strip, the equal fixed mounting of the inside diapire in both sides of link has the second motor, the output of second motor extends to link top and fixedly connected with blade disc.

Preferably, change the mechanism and include the third motor of fixed mounting at the inside lateral wall of equipment chamber, the output fixedly connected with fixed axle of third motor, the first gear of one end fixedly connected with of fixed axle, the inside lateral wall middle part in equipment chamber is rotated through the bearing and is connected with the axis of rotation, the outer fixed surface of axis of rotation is connected with the second gear, the surface and the second gear meshing of first gear, the one end fixedly connected with driving plate of axis of rotation, the terminal surface both sides of driving plate all are connected with the pivot through the bearing rotation, the one end of pivot extends to the outside and the fixedly connected with three-jaw chuck of driving plate.

Preferably, one side of the transmission disc, which is far away from the three-jaw chuck, is fixedly connected with a supporting block, the upper surface of the supporting block is fixedly provided with a fourth motor, the output end of the fourth motor is fixedly connected with a rotating shaft, two belt pulleys are fixedly connected to the outer surface of the rotating shaft, and the outer surfaces of the two belt pulleys are connected through belt transmission

Preferably, the rear portion fixedly connected with cooler bin of organism, the inside diapire fixed mounting of cooler bin has the water pump, the outlet pipe fixedly connected with honeycomb duct of water pump, two shower nozzles of the inside upper wall fixedly connected with of organism, two the top of shower nozzle communicates with the surface of honeycomb duct each other, the inlet tube surface fixedly connected with connecting pipe of water pump, the one end of connecting pipe extends to the transmission intracavity portion.

Preferably, sliding connection has the guard gate on the organism, the surface of guard gate is provided with the observation window, the anterior face fixedly connected with first in command of guard gate.

Preferably, the surface of the machine body is fixedly connected with a load block, and one end of the transmission shaft is rotatably connected with the load block through a bearing.

Preferably, the upper structure of the pressing plate has an arc shape.

Preferably, the lower fixed surface of L shape strip is connected with the connecting strip, the bottom of connecting strip is rotated through the bearing and is connected with the dead axle, the equal fixedly connected with cleaning roller in surface both sides of dead axle, the equal fixedly connected with third gear in both ends of dead axle, the equal fixedly connected with pinion rack in upper surface both sides of filter plate.

Compared with the prior art, the invention has the following beneficial effects:

1. drive the transmission shaft through first motor start and rotate, the worm rotates along with the transmission shaft, the worm rotates and drives the screw rod through the worm wheel and rotates, make the link move, the blade disc moves along with the link, and L shape strip on the scraper blade moves along with the link, can promote the sweeps that the cutting produced through the scraper blade when the blade disc resets together, support bar on the extrusion piece moves along with the link, the extrusion piece promotes the transmission post downstream, make the stripper plate on the transmission post descend and extrude the blocking to the sweeps, need not the manual work and clear up afterwards, time saving and labor saving.

2. Through using single first motor, utilize the worm to rotate along with the transmission shaft, the worm rotates and drives the screw rod through two worm gears and rotate, can process two work pieces simultaneously then, can improve work efficiency, is favorable to practicing thrift the cost.

3. The third motor starts to drive the fixed shaft to rotate, the first gear rotates along with the fixed shaft, the first gear drives the rotating shaft to rotate through the second gear, the transmission disc rotates along with the rotating shaft, then, the positions of the two three-jaw chucks on the transmission disc can be changed, the workpiece can be conveniently taken and placed by a worker, the whole workpiece taking and placing time can be saved, and convenience and rapidness are achieved.

4. Through setting up the filter plate, can filter the coolant liquid that sprays down, the water pump starts afterwards and utilizes the honeycomb duct to carry the shower nozzle in the coolant liquid after will filtering through the connecting pipe, then sprays out and carry out the secondary and use, can practice thrift the cost.

5. Drive the connecting strip when removing through setting up L shape strip and remove, the weight axle removes along with the connecting strip, drives the weight axle when the epaxial third gear of weight and pinion rack meshing and rotates, and the cleaning roller rotates along with the weight axle to can clear up stifled to the filtration pore on the filter plate, avoid the sweeps to plug up the filtration pore on the filter plate, be favorable to filtering the coolant liquid, and make the clean up to the sweeps.

Drawings

FIG. 1 is a schematic view of the overall structure of a numerically controlled machine tool capable of double-station machining according to the present invention;

FIG. 2 is a schematic diagram of the internal structure of a transmission cavity of a numerically-controlled machine tool capable of double-station machining according to the present invention;

FIG. 3 is a schematic structural diagram of a transmission mechanism of a numerically-controlled machine tool capable of double-station machining according to the present invention;

FIG. 4 is a schematic view of an external connection structure of an L-shaped bar of a numerically controlled machine tool capable of double-station machining according to the present invention;

FIG. 5 is a side view of a numerically controlled machine tool capable of double-station machining according to the present invention;

FIG. 6 is a schematic diagram of the internal structure of the equipment chamber of the numerically-controlled machine tool capable of double-station processing according to the present invention;

FIG. 7 is a cross-sectional view of a numerically controlled machine tool capable of double-station machining according to the present invention;

fig. 8 is a schematic view of an external connection structure of a transmission column of a numerically-controlled machine tool capable of double-station machining according to the present invention.

In the figure: 1. a body; 2. a transmission mechanism; 201. a first motor; 202. a drive shaft; 203. a worm; 204. a screw; 205. a worm gear; 206. a connecting frame; 207. a supporting strip; 208. extruding the block; 209. a support plate; 210. a drive post; 211. a spring; 212. a pressing plate; 213. l-shaped strips; 214. a squeegee; 215. a second motor; 216. a cutter head; 217. a negative weight block; 218. a connecting strip; 219. a load shaft; 220. cleaning the roller; 221. a third gear; 222. a toothed plate; 3. a transmission cavity; 4. an equipment chamber; 5. exchanging the mechanism; 501. a third motor; 502. a fixed shaft; 503. a first gear; 504. a rotating shaft; 505. a second gear; 506. a drive plate; 507. a support block; 508. a fourth motor; 509. a rotating shaft; 510. a belt pulley; 511. a three-jaw chuck; 6. a protective door; 7. an observation window; 8. a first handle; 9. a control panel; 10. a sealing plate; 11. a second handle; 12. filtering the plate; 13. a material guide plate; 14. a cooling tank; 15. a water pump; 16. a flow guide pipe; 17. a connecting pipe; 18. and (4) a spray head.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-8, a numerical control machine tool capable of processing double stations, including a machine body 1, a transmission cavity 3 and an equipment cavity 4 are arranged inside the machine body 1, an exchange mechanism 5 is arranged inside the equipment cavity 4, a transmission mechanism 2 is arranged on the right side of the machine body 1, a filter plate 12 is fixedly connected to the inner wall of the transmission cavity 3, a material guide plate 13 is fixedly connected between the surface of the filter plate 12 and the bottom wall of the transmission cavity 3, a sealing plate 10 is movably connected to the outer surface of the machine body 1, a second handle 11 is fixedly connected to the outer surface of the sealing plate 10, a control panel 9 is fixedly arranged on the front portion of the machine body 1, and the sealing plate 10 is located below a transmission shaft 202 and can be prevented from colliding.

In this embodiment, the transmission mechanism 2 includes a first motor 201 fixedly installed on the outer surface of the machine body 1, the output end of the first motor 201 is fixedly connected with a transmission shaft 202, both sides of the outer surface of the transmission shaft 202 are provided with worms 203, both sides of the inner wall of the transmission cavity 3 are rotatably connected with screws 204 through bearings, one end of each screw 204 extends to the outside of the machine body 1 and is fixedly connected with a worm wheel 205, the outer surface of each worm 203 is meshed with the worm wheel 205, the inner side wall of the transmission cavity 3 is fixedly connected with a support plate 209, the lower surface of the support plate 209 is fixedly connected with a spring 211, the bottom end of the spring 211 is fixedly connected with a squeezing plate 212, the upper part of the squeezing plate 212 is fixedly connected with a transmission column 210, the top end of the transmission column 210 extends to the upper part of the support plate 209 through a sliding groove, the outer surfaces, fixedly connected with extrusion block 208 between two support bars 207, the bottom fixedly connected with scraper blade 214 of L shape strip 213, extrusion block 208's surface is convex structure, the top of transmission post 210 is also convex shape simultaneously, through convex structure, extrusion block 208 and transmission post 210's top contact, realize sliding connection, it slides to control pushing down of transmission post 210, the higher authority of last extrusion plate 212 also is the structure of circular arc, avoid the acute angle to the pulling of iron fillings silk, avoid extrudeing pulling iron fillings, the equal fixed mounting of the inside diapire in both sides of link 206 has second motor 215, second motor 215's output extends to link 206 top and fixedly connected with blade disc 216, second motor 215 drives blade disc 216 and rotates, can carry out the tool changing, be convenient for process the work piece.

Further, the exchange mechanism 5 includes a third motor 501 fixedly mounted on the inner side wall of the device cavity 4, an output end of the third motor 501 is fixedly connected with a fixed shaft 502, one end of the fixed shaft 502 is fixedly connected with a first gear 503, the middle part of the inner side wall of the device cavity 4 is rotatably connected with a rotating shaft 504 through a bearing, the outer surface of the rotating shaft 504 is fixedly connected with a second gear 505, the outer surface of the first gear 503 is meshed with the second gear 505, one end of the rotating shaft 504 is fixedly connected with a transmission disc 506, two sides of the end surface of the transmission disc 506 are rotatably connected with a rotating shaft 509 through bearings, one end of the rotating shaft 509 extends to the outside of the transmission disc 506 and is fixedly connected with a three-jaw chuck 511, the number of teeth of the first gear 503 is less than that of the second gear 505, the rotating speed of the transmission disc 506 can be reduced, and.

Furthermore, one side of the transmission disc 506, which is far away from the three-jaw chuck 511, is fixedly connected with a supporting block 507, the upper surface of the supporting block 507 is fixedly provided with a fourth motor 508, the output end of the fourth motor 508 is fixedly connected with a rotating shaft 509, the outer surfaces of the two rotating shafts 509 are fixedly connected with belt pulleys 510, the outer surfaces of the two belt pulleys 510 are connected through belt transmission, and the single fourth motor 508 is utilized, so that two groups of workpieces can be operated simultaneously, and the cost can be saved.

In addition, rear portion fixedly connected with cooler bin 14 of organism 1, the inside diapire fixed mounting of cooler bin 14 has water pump 15, water pump 15's outlet pipe fixedly connected with honeycomb duct 16, two shower nozzles 18 of the inside upper wall fixedly connected with of organism 1, the top of two shower nozzles 18 communicates with the surface of honeycomb duct 16 each other, water pump 15's inlet tube surface fixedly connected with connecting pipe 17, the one end of connecting pipe 17 extends to inside the transmission chamber 3, the coolant liquid has been placed to the inside of cooler bin 14, be convenient for cool down to it when adding man-hour, avoid the high temperature to cause the damage to the cutter.

In addition, sliding connection has protection door 6 on organism 1, and the surface of protection door 6 is provided with observation window 7, and the anterior face fixedly connected with first in command 8 of protection door 6, observation window 7 are transparent material, make things convenient for the staff to observe the processing condition.

It should be noted that a weight block 217 is fixedly connected to the surface of the machine body 1, and one end of the transmission shaft 202 is rotatably connected to the weight block 217 through a bearing, so that the rotation of the transmission shaft 202 is more stable.

Further, it is worth mentioning that the upper structure of the pressing plate 212 is arc-shaped, so that the scraps can be prevented from falling to the upper portion of the pressing plate 212.

Further, the lower surface fixedly connected with connecting strip 218 of L shape strip 213, the bottom of connecting strip 218 is rotated through the bearing and is connected with dead axle 219, the equal fixedly connected with cleaning roller 220 in dead axle 219's surface both sides, the equal fixedly connected with third gear 221 in dead axle 219's both ends, the equal fixedly connected with pinion rack 222 in upper surface both sides of filter plate 12, cleaning roller 220 outside is the brush head for the cleaner of clearance.

It should be noted that, the present invention is a numerical control machine tool capable of processing at two stations, a worker first installs a workpiece on a three-jaw chuck 511 near the outside of a machine body 1, a third motor 501 is started to drive a fixed shaft 502 to rotate, a first gear 503 rotates along with the fixed shaft 502, the first gear 503 drives a rotating shaft 504 to rotate through a second gear 505, a transmission disc 506 rotates along with the rotating shaft 504, then the two three-jaw chucks 511 on the transmission disc 506 can be switched in position, the workpiece is installed on the other three-jaw chuck 511, a fourth motor 508 is started to drive a rotating shaft 509 to rotate, a belt pulley 510 on the rotating shaft 509 drives another belt pulley 510 to rotate through a belt, and drives the other rotating shaft 509 to rotate, so that the two three-jaw chucks 511 rotate, the first motor 201 drives a transmission shaft 202 to rotate, a worm 203 rotates along with the transmission shaft 202, the worm 203 rotates to drive a, the connecting frame 206 is enabled to move, the cutter disc 216 moves along with the connecting frame 206, the L-shaped strip 213 on the scraping plate 214 moves along with the connecting frame 206, two workpieces are processed simultaneously, after the processing is finished, the first motor 201 drives the transmission shaft 202 to rotate reversely, the L-shaped strip 213 drives the connecting strip 218 to move when moving, the loading shaft 219 moves along with the connecting strip 218, when the third gear 221 on the loading shaft 219 is meshed with the toothed plate 222, the loading shaft 219 is driven to rotate, the cleaning roller 220 rotates along with the loading shaft 219, filter holes in the filter plate 12 can be cleaned and blocked, waste scraps generated by cutting can be pushed together by the scraping plate 214 when the cutter disc 216 is reset, the supporting strip 207 on the extrusion block 208 moves along with the connecting frame 206, the extrusion block 208 pushes the transmission column 210 to move downwards, so that the extrusion plate 212 on the transmission column 210 descends to extrude the waste scraps into blocks, then the extrusion block 208 leaves the transmission column 210, the spring 211 pulls the extrusion plate 212 to reset, then the staff opens the sealing plate 10, and the extruded block is taken out, by arranging the filter plate 12, the sprayed cooling liquid can be filtered, then the water pump 15 is started, and the filtered cooling liquid is conveyed into the spray head 18 through the connecting pipe 17 by using the guide pipe 16, and then is sprayed out for secondary use.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A numerically controlled machine tool capable of double-station processing, comprising a body (1), characterized in that: a transmission cavity (3) and an equipment cavity (4) are provided inside the body (1), and the equipment cavity ( 4) An exchange mechanism (5) is arranged inside, a transmission mechanism (2) is arranged on the right side of the body (1), and a filter plate (12) is fixedly connected to the inner wall of the transmission cavity (3). A material guide plate (13) is fixedly connected between the surface of the plate (12) and the bottom wall of the transmission cavity (3), and a sealing plate (10) is movably connected to the outer surface of the body (1). A second handle (11) is fixedly connected to the outer surface of 10), and a control panel (9) is fixedly installed on the front part of the body (1).

2. A CNC machine tool capable of double-station machining according to claim 1, characterized in that: the transmission mechanism (2) comprises a first motor (201) fixedly installed on the outer surface of the body (1), so A transmission shaft (202) is fixedly connected to the output end of the first motor (201), worms (203) are provided on both sides of the outer surface of the transmission shaft (202), and both sides of the inner wall of the transmission cavity (3) are provided with worms (203). Both are connected with a screw (204) rotatably through a bearing, one end of the screw (204) extends to the outside of the body (1) and is fixedly connected with a worm wheel (205), and the outer surface of the worm (203) is meshed with the worm wheel (205) , the inner side wall of the transmission cavity (3) is fixedly connected with a support plate (209), the lower surface of the support plate (209) is fixedly connected with a spring (211), and the bottom end of the spring (211) is fixedly connected There is a pressing plate (212), the upper part of the pressing plate (212) is fixedly connected with a transmission column (210), the top of the transmission column (210) extends through the chute to the top of the supporting plate (209), and the two A connecting frame (206) is threadedly connected to the outer surfaces of each of the screws (204), and an L-shaped bar (213) and two support bars (207) are fixedly connected to the outer surfaces of both ends of the connecting frame (206), respectively, A pressing block (208) is fixedly connected between the two supporting bars (207), a scraper (214) is fixedly connected to the bottom end of the L-shaped bar (213), and two parts of the connecting frame (206) are fixedly connected. A second motor (215) is fixedly installed on the side inner bottom walls, and the output end of the second motor (215) extends above the connecting frame (206) and is fixedly connected with a cutter head (216).

3. The CNC machine tool capable of double-station processing according to claim 2, wherein the exchange mechanism (5) comprises a third motor (501) fixedly installed on the inner side wall of the equipment cavity (4) , the output end of the third motor (501) is fixedly connected with a fixed shaft (502), one end of the fixed shaft (502) is fixedly connected with a first gear (503), and the inner side of the equipment cavity (4) A rotating shaft (504) is rotatably connected to the middle of the wall through a bearing, the outer surface of the rotating shaft (504) is fixedly connected with a second gear (505), and the outer surface of the first gear (503) is connected to the second gear (505). ) meshing, one end of the rotating shaft (504) is fixedly connected with a transmission disc (506), and both sides of the end face of the transmission disc (506) are rotatably connected with a rotating shaft (509) through bearings. One end extends to the outside of the transmission disc (506) and is fixedly connected with a three-jaw chuck (511).

4. The CNC machine tool capable of dual-station machining according to claim 3, wherein a support block (507) is fixedly connected to one side of the drive plate (506) away from the three-jaw chuck (511). , a fourth motor (508) is fixedly installed on the upper surface of the support block (507), the output end of the fourth motor (508) is fixedly connected with the rotating shaft (509), and the outer parts of the two rotating shafts (509) are fixedly connected. The surfaces are fixedly connected with pulleys (510), and the outer surfaces of the two pulleys (510) are connected by belt drive.

5. A CNC machine tool capable of double-station machining according to claim 2, characterized in that: a cooling box (14) is fixedly connected to the rear of the body (1), and a cooling box (14) has a A water pump (15) is fixedly installed on the inner bottom wall, the water outlet pipe of the water pump (15) is fixedly connected with a guide pipe (16), and the inner upper wall of the body (1) is fixedly connected with two spray heads (18), The top ends of the two spray heads (18) are communicated with the outer surface of the guide pipe (16), and the outer surface of the water inlet pipe of the water pump (15) is fixedly connected with a connecting pipe (17), and the connecting pipe (17) One end extends to the inside of the transmission cavity (3).

6. A CNC machine tool capable of double-station machining according to claim 2, wherein a protective door (6) is slidably connected to the body (1), and the surface of the protective door (6) is provided with There is an observation window (7), and a first handle (8) is fixedly connected to the front surface of the protective door (6).

7. The CNC machine tool capable of dual-station machining according to claim 2, wherein a weight block (217) is fixedly connected to the surface of the body (1), and one end of the transmission shaft (202) is It is rotatably connected with the load block (217) through the bearing.

8 . The CNC machine tool capable of double-station processing according to claim 2 , wherein the upper structure of the pressing plate ( 212 ) is in an arc shape. 9 .

9 . The CNC machine tool capable of double-station machining according to claim 2 , wherein a connecting bar (218) is fixedly connected to the lower surface of the L-shaped bar (213), and the connecting bar (218) ) bottom end is connected with a load bearing shaft (219) through the bearing rotation, both sides of the outer surface of the load bearing shaft (219) are fixedly connected with cleaning rollers (220), and both ends of the load bearing shaft (219) are fixedly connected There is a third gear (221), and tooth plates (222) are fixedly connected to both sides of the upper surface of the filter plate (12).