阅读说明：本技术 一种环保型土木工程建筑废料处理设备 (Environment-friendly civil engineering construction waste treatment facility ) 是由 丁俊 胡波涛 季松廷 贾进成 陶军 吴健 吉小青 卢冶荣 于 2021-07-23 设计创作，主要内容包括：本发明公开了一种环保型土木工程建筑废料处理设备,包括箱体、支脚、出料管、粉碎辊,所述箱体底部连接有所述支脚,所述箱体底部中间连接有所述出料管,所述箱体内部设置有所述粉碎辊,还包括设置于所述箱体顶部的下料机构、用于破碎大块废料的破碎机构。本发明的有益效果如下：通过设置破碎机构,能够将大块废料预先破碎成小块,然后再进行处理,无需进行人工进行破碎,节省人力,处理效率高,通过设置筛滤机构,能够将未达到粉碎标准的废料筛选出,从而进行重复粉碎,保证废料的粉碎质量,通过设置回料机构,将未达到粉碎标准的废料重新输送至下料管,使废料重新进行破碎,通过设置振动机构,使筛网进行振动,加快筛选速度,提高处理效率。(The invention discloses environment-friendly civil engineering construction waste treatment equipment which comprises a box body, support legs, a discharge pipe and a crushing roller, wherein the support legs are connected to the bottom of the box body, the discharge pipe is connected to the middle of the bottom of the box body, the crushing roller is arranged in the box body, and the environment-friendly civil engineering construction waste treatment equipment also comprises a discharging mechanism and a crushing mechanism, wherein the discharging mechanism is arranged at the top of the box body, and the crushing mechanism is used for crushing large waste. The invention has the following beneficial effects: through setting up broken mechanism, can be broken into the fritter with the bold waste material in advance, then handle, need not to carry out the manual work and carry out the breakage, use manpower sparingly, the treatment effeciency is high, through setting up screening mechanism, can select the waste material that does not reach crushing standard, thereby carry out repeated crushing, guarantee the crushing quality of waste material, through setting up feed back mechanism, carry the waste material that does not reach crushing standard again to the unloading pipe, make the waste material carry out breakage again, through setting up vibrating mechanism, make the screen cloth vibrate, accelerate the screening speed, and the treatment efficiency is improved.)

1. The utility model provides an environment-friendly civil engineering construction waste treatment facility, includes box (1), stabilizer blade (2), discharging pipe (3), smashes roller (9), box (1) bottom is connected with stabilizer blade (2), box (1) bottom intermediate junction has discharging pipe (3), box (1) inside is provided with smash roller (9), its characterized in that: still including set up in unloading mechanism (4) at box (1) top, broken mechanism (5) that are used for broken bold waste material, set up in mechanism (8) is strained to inside sieve of box (1), set up in feed back mechanism (6) of box (1) one side, be used for the drive the vibrating mechanism (7) of mechanism (8) vibration is strained to the sieve, unloading mechanism (4) is including down hopper (401), unloading board (402), unloading pipe (403), box (1) top is connected with down hopper (401), hopper (401) both sides are connected with down flitch (402), down hopper (401) bottom is located in box (1) and be connected with unloading pipe (403), broken mechanism (5) are including broken hammer (501), fixed block (502), loose axle (503), carousel (504), backup pad (505) Broken motor (506), hopper (401) is inside to be provided with down broken hammer (501), broken hammer (501) top is connected with fixed block (502), fixed block (502) in-connection have loose axle (503), loose axle (503) rear side is connected with carousel (504), the axis of loose axle (503) with the axis of carousel (504) does not coincide, box (1) top is located hopper (401) rear side is connected with backup pad (505) down, carousel (504) connect in backup pad (505) front side, backup pad (505) rear side is connected with broken motor (506), the output shaft of broken motor (506) with carousel (504) are connected.

2. The environment-friendly civil engineering construction waste treatment equipment as claimed in claim 1, wherein: feed back mechanism (6) are including feed back case (601), feed back motor (602), pivot (603), helical blade (604), feed back pipe (605), box (1) one side is connected with feed back case (601), feed back case (601) bottom is connected with feed back motor (602), the output shaft of feed back motor (602) stretches into feed back case (601) inside and be connected with pivot (603), be connected with on pivot (603) outer wall helical blade (604), the top of feed back case (601) one side is connected with feed back pipe (605), feed back pipe (605) stretch into in box (1) and with unloading pipe (403) intercommunication.

3. The environment-friendly civil engineering construction waste treatment equipment as claimed in claim 1, wherein: screening mechanism (8) are including screen cloth (801), sleeve pipe (802), movable rod (803), spring (804), box (1) is inside and be located crushing roller (9) below is provided with screen cloth (801), screen cloth (801) are close to the one end of feed back mechanism (6) with box (1) rotates to be connected, the other end of screen cloth (801) is located inside the lateral wall of box (1), box (1) lateral wall in-connection have sleeve pipe (802), sleeve pipe (802 in-connection have movable rod (803), movable rod (803) with be connected with between sleeve pipe (802) spring (804), movable rod (803) top with screen cloth (801) are connected.

4. The environment-friendly civil engineering construction waste treatment equipment as claimed in claim 3, wherein: the vibration mechanism (7) comprises a fixed seat (701), a driving motor (702), a driving belt wheel (703), a driven belt wheel (704), a transmission shaft (705) and a cam (706), one side of the box body (1) far away from the feed back mechanism (6) is connected with the fixed seat (701), the bottom of the fixed seat (701) is connected with the driving motor (702), the output shaft of the driving motor (702) is connected with the driving belt wheel (703), the lower part of the driving belt wheel (703) is connected with the driven belt wheel (704) through a belt, one side of the driven belt wheel (704) close to the box body (1) is connected with the transmission shaft (705), one end of the transmission shaft (705), which is far away from the driven pulley (704), extends into the box body (1) and is connected with the cam (706), and the cam (706) is positioned below the screen (801).

5. The environment-friendly civil engineering construction waste treatment equipment as claimed in claim 3, wherein: the vibration mechanism (7) comprises a fixed seat (701), a driving motor (702), a driving bevel gear (707), a driven bevel gear (708), a transmission shaft (705) and a cam (706), one side of the box body (1) far away from the feed back mechanism (6) is connected with the fixed seat (701), the bottom of the fixed seat (701) is connected with the driving motor (702), the output shaft of the driving motor (702) is connected with the driving bevel gear (707), the driven bevel gear (708) is meshed below the driving bevel gear (707), one side of the driven bevel gear (708) close to the box body (1) is connected with the transmission shaft (705), one end of the transmission shaft (705), which is far away from the driven bevel gear (708), extends into the box body (1) and is connected with the cam (706), and the cam (706) is positioned below the screen (801).

6. The environment-friendly civil engineering construction waste treatment equipment as claimed in claim 1, wherein: quartering hammer (501) with hopper (401) sliding connection down, fixed block (502) with quartering hammer (501) welding, loose axle (503) with fixed block (502) bearing connection, loose axle (503) with carousel (504) welding, backup pad (505) with box (1) fixed connection, carousel (504) with backup pad (505) bearing connection.

7. The environment-friendly civil engineering construction waste treatment equipment as claimed in claim 2, wherein: the feed back box (601) is fixedly connected with the box body (1), the feed back motor (602) is connected with the feed back box (601) through bolts, an output shaft of the feed back motor (602) is connected with the rotating shaft (603) through a coupler, and the helical blade (604) is welded with the rotating shaft (603).

8. The environment-friendly civil engineering construction waste treatment equipment as claimed in claim 3, wherein: the sleeve (802) is fixedly connected with the box body (1), the movable rod (803) is slidably connected with the sleeve (802), and the movable rod (803) is fixedly connected with the screen (801).

9. The environment-friendly civil engineering construction waste treatment equipment as claimed in claim 4, wherein: the fixing seat (701) is welded with the box body (1), the driving motor (702) is connected with the fixing seat (701) through bolts, an output shaft of the driving motor (702) is connected with the driving pulley (703) in a key mode, the transmission shaft (705) is connected with the driven pulley (704) in a key mode, the transmission shaft (705) is connected with the box body (1) through a bearing, and the transmission shaft (705) is fixedly connected with the cam (706).

10. The environment-friendly civil engineering and construction waste treatment equipment as claimed in claim 5, wherein: the fixing seat (701) is welded with the box body (1), the driving motor (702) is in bolt connection with the fixing seat (701), an output shaft of the driving motor (702) is in key connection with the driving bevel gear (707), the transmission shaft (705) is in key connection with the driven bevel gear (708), the transmission shaft (705) is in bearing connection with the box body (1), and the transmission shaft (705) is fixedly connected with the cam (706).

Technical Field

The invention relates to the technical field of civil engineering, in particular to environment-friendly civil engineering construction waste treatment equipment.

Background

Civil engineering is a general term of scientific technology for building various land engineering facilities, which refers to applied materials, equipment, technical activities such as surveying, designing, constructing, maintaining and repairing and the like, and also refers to an object of engineering construction, the civil engineering construction can generate a large amount of construction waste, namely construction waste, which refers to residue, spoil, waste materials, sludge and other waste generated in the process of construction, laying or dismantling and repairing of various buildings, structures, pipe networks and the like by construction, construction units or individuals, the construction waste has great recycling value and is generally required to be crushed for recycling, a large amount of large waste is generated in the construction waste, the large waste is generally required to be manually crushed into small pieces and then treated by waste treatment equipment, while the conventional construction waste treatment equipment does not have the function of crushing large pieces of waste, the waste treatment effect is not good enough, a large amount of manpower is required to be consumed, and the treatment efficiency is low.

Disclosure of Invention

The present invention has been made to solve the above problems and an object of the present invention is to provide an environment-friendly civil engineering and construction waste treatment apparatus.

The invention realizes the purpose through the following technical scheme: the utility model provides an environment-friendly civil engineering construction waste treatment equipment, includes box, stabilizer blade, discharging pipe, crushing roller, the bottom half is connected with the stabilizer blade, the bottom half intermediate junction has the discharging pipe, the box is inside to be provided with crushing roller, still including set up in the unloading mechanism at box top, be used for broken bold waste material broken mechanism, set up in the screening mechanism of box inside, set up in the feed back mechanism of box one side, be used for the drive the vibration mechanism of screening mechanism vibration, unloading mechanism includes blanking hopper, blanking plate, unloading pipe, the box top is connected with blanking hopper down, blanking hopper both sides are connected with blanking plate, blanking hopper bottom is located the box is internal and be connected with the unloading pipe, broken mechanism includes quartering hammer, fixed block, loose axle, carousel, Backup pad, broken motor, down the hopper inside be provided with the quartering hammer, the quartering hammer top is connected with the fixed block, the fixed block in-connection has the loose axle, the loose axle rear side is connected with the carousel, the axis of loose axle with the axis of carousel does not coincide, the box top is located down the hopper rear side is connected with the backup pad, the carousel connect in the backup pad front side, the backup pad rear side is connected with broken motor, broken motor's output shaft with the carousel is connected.

Preferably, the feed back mechanism includes feed back case, feed back motor, pivot, helical blade, feed back pipe, box one side is connected with the feed back case, the feed back case bottom is connected with the feed back motor, the output shaft of feed back motor stretches into feed back case is inside and be connected with the pivot, be connected with on the pivot outer wall helical blade, the top of feed back case one side is connected with the feed back pipe, the feed back pipe stretch into in the box and with the unloading pipe intercommunication.

So set up, utilize feed back motor drive the pivot with helical blade rotates to promote the waste material to feed back pipe department.

Preferably, the sieve is strained the mechanism and is included screen cloth, sleeve pipe, movable rod, spring, the box is inside and is located crushing roller below is provided with the screen cloth, the screen cloth is close to the one end of feed back mechanism with the box rotates to be connected, the other end of screen cloth is located inside the lateral wall of box, box lateral wall in-connection has the sleeve pipe, the sleeve pipe in-connection has the movable rod, the movable rod with be connected with between the sleeve pipe the spring, the movable rod top with the screen cloth is connected.

So set up, utilize the screen cloth screens the waste material, utilize the spring reaches the movable rod is right the screen cloth plays the cushioning effect.

Preferably, vibration mechanism includes fixing base, driving motor, driving pulley, driven pulleys, transmission shaft, cam, the box is kept away from one side of feed back mechanism is connected with the fixing base, the fixing base bottom is connected with driving motor, driving motor's output shaft has driving pulley, driving pulley's below is connected with through the belt driven pulleys, driven pulleys is close to one side of box is connected with the transmission shaft, the transmission shaft is kept away from driven pulleys's one end stretches into in the box and is connected with the cam, the cam is located the screen cloth below.

According to the arrangement, the driving belt wheel and the driven belt wheel are driven to rotate by the driving motor, so that the transmission shaft drives the cam to rotate, and the cam is used for vibrating the screen.

Preferably, the vibration mechanism comprises a fixing seat, a driving motor, a driving bevel gear, a driven bevel gear, a transmission shaft and a cam, one side of the box body, which is far away from the feed back mechanism, is connected with the fixing seat, the bottom of the fixing seat is connected with the driving motor, an output shaft of the driving motor is connected with the driving bevel gear, the driven bevel gear is meshed below the driving bevel gear, one side of the driven bevel gear, which is close to the box body, is connected with the transmission shaft, one end, which is far away from the driven bevel gear, of the transmission shaft extends into the box body and is connected with the cam, and the cam is located below the screen.

According to the arrangement, the driving bevel gear and the driven bevel gear are driven to rotate by the driving motor, so that the transmission shaft drives the cam to rotate, and the cam is used for vibrating the screen.

Preferably, the quartering hammer with hopper sliding connection down, the fixed block with the quartering hammer welding, the loose axle with the fixed block bearing is connected, the loose axle with the carousel welding, the backup pad with box fixed connection, the carousel with the backup pad bearing is connected.

So set up, be convenient for the quartering hammer moves about.

Preferably, the material return box is fixedly connected with the box body, the material return motor is connected with the material return box through bolts, an output shaft of the material return motor is connected with the rotating shaft through a coupler, and the helical blade is welded with the rotating shaft.

So set up, be convenient for the feed back motor carries out the dismouting.

Preferably, the sleeve is fixedly connected with the box body, the movable rod is slidably connected with the sleeve, and the movable rod is fixedly connected with the screen.

So set up, guarantee the movable rod can move about to play the cushioning effect.

Preferably, the fixing seat is welded with the box body, the driving motor is connected with the fixing seat through bolts, an output shaft of the driving motor is connected with the driving pulley key, the transmission shaft is connected with the driven pulley key, the transmission shaft is connected with a box body bearing, and the transmission shaft is fixedly connected with the cam.

So set up, be convenient for driving motor carries out the dismouting, guarantees the transmission shaft rotates steadily.

Preferably, the fixing seat is welded with the box body, the driving motor is connected with the fixing seat through bolts, an output shaft of the driving motor is connected with the driving bevel gear key, the transmission shaft is connected with the driven bevel gear key, the transmission shaft is connected with the box body bearing, and the transmission shaft is fixedly connected with the cam.

So set up, be convenient for driving motor carries out the dismouting, guarantees the transmission shaft rotates steadily.

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

1. by arranging the crushing mechanism, large waste can be crushed into small pieces in advance and then treated, manual crushing is not needed, manpower is saved, and the treatment efficiency is high;

2. through the arrangement of the screening mechanism, waste which does not reach the crushing standard can be screened out, so that repeated crushing is carried out, and the crushing quality of the waste is ensured;

3. by arranging the feed back mechanism, the waste which does not reach the crushing standard is conveyed to the blanking pipe again, so that the waste is crushed again;

4. through setting up vibration mechanism, make the screen cloth vibrate for screening speed improves the treatment effeciency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a perspective view of an environment-friendly civil engineering construction waste treatment apparatus according to the present invention;

FIG. 2 is a perspective view of an environment-friendly civil engineering construction waste treatment apparatus according to the present invention;

FIG. 3 is a front view of the internal structure of the civil engineering construction waste disposal apparatus of the present invention;

FIG. 4 is a perspective view of a crushing mechanism of the environment-friendly civil engineering construction waste treatment apparatus according to the present invention;

FIG. 5 is a plan view of an environment-friendly civil engineering and construction waste disposal apparatus according to the present invention;

FIG. 6 is a front view of a vibrating mechanism of embodiment 1 of the apparatus for treating civil engineering and construction waste according to the present invention;

FIG. 7 is an enlarged view of the structure at the point A of the environment-friendly civil engineering and construction waste disposal apparatus of the present invention;

FIG. 8 is a front view of a vibrating mechanism in embodiment 2 of an environmentally friendly civil engineering and construction waste disposal apparatus according to the present invention.

The reference numerals are explained below: 1. a box body; 2. a support leg; 3. a discharge pipe; 4. a blanking mechanism; 401. feeding a hopper; 402. a blanking plate; 403. a discharging pipe; 5. a crushing mechanism; 501. a breaking hammer; 502. a fixed block; 503. a movable shaft; 504. a turntable; 505. a support plate; 506. a crushing motor; 6. a material returning mechanism; 601. returning the material tank; 602. a feed back motor; 603. a rotating shaft; 604. a helical blade; 605. a material return pipe; 7. a vibration mechanism; 701. a fixed seat; 702. a drive motor; 703. a driving pulley; 704. a driven pulley; 705. a drive shaft; 706. a cam; 707. a drive bevel gear; 708. a driven bevel gear; 8. a screening mechanism; 801. screening a screen; 802. a sleeve; 803. a movable rod; 804. a spring; 9. a crushing roller.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The invention will be further described with reference to the accompanying drawings in which:

example 1

As shown in figures 1-7, an environment-friendly civil engineering construction waste treatment device comprises a box body 1, support legs 2, a discharge pipe 3 and a crushing roller 9, wherein the support legs 2 are connected to the bottom of the box body 1, the discharge pipe 3 is connected to the middle of the bottom of the box body 1, the crushing roller 9 is arranged inside the box body 1, the environment-friendly civil engineering construction waste treatment device further comprises a discharging mechanism 4 arranged on the top of the box body 1, a crushing mechanism 5 used for crushing large wastes, a screening mechanism 8 arranged inside the box body 1, a material returning mechanism 6 arranged on one side of the box body 1 and a vibrating mechanism 7 used for driving the screening mechanism 8 to vibrate, the discharging mechanism 4 comprises a discharging hopper 401, a discharging plate 402 and a discharging pipe 403, the top of the box body 1 is connected with the discharging hopper 401, the discharging plate 402 is connected to two sides of the discharging hopper 401, the bottom of the discharging hopper 401 is positioned in the box body 1 and connected with the discharging pipe 403, and the crushing mechanism 5 comprises a crushing hammer 501, a fixing block 502 and a fixing block 502, The novel hopper crusher comprises a movable shaft 503, a rotary table 504, a supporting plate 505 and a crushing motor 506, wherein the crushing hammer 501 is arranged in the discharging hopper 401, the top of the crushing hammer 501 is connected with a fixed block 502, the movable shaft 503 is connected in the fixed block 502, the rear side of the movable shaft 503 is connected with the rotary table 504, the axis of the movable shaft 503 is not overlapped with the axis of the rotary table 504, the supporting plate 505 is connected to the top of the box body 1 and is positioned on the rear side of the discharging hopper 401, the rotary table 504 is connected to the front side of the supporting plate 505, the rear side of the supporting plate 505 is connected with the crushing motor 506, and the output shaft of the crushing motor 506 is connected with the rotary table 504.

Preferably, the material returning mechanism 6 comprises a material returning box 601, a material returning motor 602, a rotating shaft 603, a helical blade 604 and a material returning pipe 605, the material returning box 601 is connected to one side of the box body 1, the material returning motor 602 is connected to the bottom of the material returning box 601, an output shaft of the material returning motor 602 extends into the material returning box 601 and is connected with the rotating shaft 603, the helical blade 604 is connected to the outer wall of the rotating shaft 603, the material returning pipe 605 is connected to the top end of one side of the material returning box 601, the material returning pipe 605 extends into the box body 1 and is communicated with the material discharging pipe 403, the screening mechanism 8 comprises a screen 801, a sleeve 802, a movable rod 803 and a spring 804, the screen 801 is arranged inside the box body 1 and below the crushing roller 9, one end of the screen 801 close to the material returning mechanism 6 is rotatably connected with the box body 1, the other end of the screen 801 is arranged inside the side wall of the box body 1, the sleeve 802 is connected inside the sleeve 802, the movable rod 803 is connected inside the sleeve 802, the spring 804 is connected between the movable rod and the sleeve 802, the top of the movable rod 803 is connected with the screen 801, the vibration mechanism 7 comprises a fixed seat 701, a driving motor 702, a driving pulley 703, a driven pulley 704, a transmission shaft 705 and a cam 706, the fixed seat 701 is connected with one side of the box body 1 far away from the material return mechanism 6, the driving motor 702 is connected with the bottom of the fixed seat 701, the driving pulley 703 is connected with an output shaft of the driving motor 702, the driven pulley 704 is connected with the lower part of the driving pulley 703 through a belt, the transmission shaft 705 is connected with one side of the driven pulley 704 close to the box body 1, one end of the transmission shaft 705 far away from the driven pulley 704 extends into the box body 1 and is connected with the cam 706, the cam 706 is positioned below the screen 801, the breaking hammer 501 is in sliding connection with the blanking hopper 401, the fixed block 502 is welded with the breaking hammer 501, the movable shaft 503 is in bearing connection with the fixed block 502, the movable shaft 503 is welded with the turntable 504, the support plate 505 is fixedly connected with the box body 1, the turntable 504 is in bearing connection with the support plate 505, the feed back box 601 is fixedly connected with the box body 1, the feed back motor 602 is connected with the feed back box 601 through a bolt, an output shaft of the feed back motor 602 is connected with the rotating shaft 603 through a coupler, a helical blade 604 is welded with the rotating shaft 603, a sleeve 802 is fixedly connected with the box body 1, a movable rod 803 is connected with the sleeve 802 in a sliding manner, the movable rod 803 is fixedly connected with a screen 801, a fixed seat 701 is welded with the box body 1, a driving motor 702 is connected with the fixed seat 701 through a bolt, an output shaft of the driving motor 702 is connected with a driving pulley 703 in a key manner, a transmission shaft 705 is connected with a driven pulley 704 in a key manner, the transmission shaft 705 is connected with a bearing of the box body 1, and the transmission shaft 705 is fixedly connected with a cam 706.

Example 2

As shown in fig. 8, embodiment 2 differs from embodiment 1 in that: the vibration mechanism 7 comprises a fixed seat 701, a driving motor 702 and a driving bevel gear 707, driven bevel gear 708, transmission shaft 705, cam 706, one side of box 1 far away from feed back mechanism 6 is connected with fixing base 701, the fixing base 701 bottom is connected with driving motor 702, the output shaft of driving motor 702 is connected with drive bevel gear 707, the meshing has driven bevel gear 708 below drive bevel gear 707, one side that driven bevel gear 708 is close to box 1 is connected with transmission shaft 705, the one end that driven bevel gear 708 was kept away from to transmission shaft 705 stretches into in the box 1 and is connected with cam 706, cam 706 is located below screen 801, fixing base 701 and box 1 welding, driving motor 702 and fixing base 701 bolted connection, the output shaft of driving motor 702 and drive bevel gear 707 key-type connection, transmission shaft 705 and driven bevel gear 708, transmission shaft 705 and box 1 bearing connection, transmission shaft 705 and cam 706 fixed connection.

The working principle is as follows: waste is poured into a discharging hopper 401 from a discharging plate 402, a crushing motor 506 drives a rotary disc 504 to rotate, the rotary disc 504 drives a movable shaft 503 to do circular motion around the axis of the rotary disc 504, the movable shaft 503 drives a fixed block 502 to move, the fixed block 502 drives a crushing hammer 501 to move, the crushing hammer 501 crushes the waste in the discharging hopper 401, large waste is changed into small waste, then the waste enters a box body 1 through a discharging pipe 403, the crushing roller 9 crushes the waste, the crushed waste falls on a screen mesh 801, a driving pulley 703 is driven to rotate by the driving motor 702, the driving pulley 703 drives a driven pulley 704 to rotate, the driven pulley 704 drives a transmission shaft 705 to rotate, the transmission shaft 705 drives a cam 706 to rotate, or the driving bevel gear 707 is driven by the driving motor 702 to rotate, the driving bevel gear 707 drives a driven bevel gear 708 to rotate, the driven bevel gear 708 drives the transmission shaft 705 to rotate, and the transmission shaft 705 drives the cam 706 to rotate, the cam 706 vibrates the screen 801 to screen the waste, the waste meeting the standard is discharged from the discharge pipe 3, the waste not meeting the standard falls from the screen 801 into the return tank 601, then the return motor 602 drives the rotating shaft 603 and the helical blade 604 to rotate, the helical blade 604 lifts the waste to the return pipe 605, and the waste enters the discharge pipe 403 through the return pipe 605 to be repeatedly crushed.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. 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.