阅读说明：本技术 一种空气压力式的垃圾干湿分离系统 (Air pressure type garbage dry-wet separation system ) 是由 李航宇 于 2021-09-24 设计创作，主要内容包括：发明属于垃圾处理领域,为一种空气压力式的垃圾干湿分离系统,一种空气压力式的垃圾干湿分离系统,包括机体,所述机体上侧设有圆形拉开式的入料口,所述机体内右上侧固定设有左加压泵,所述左加压泵的右侧固定设有右加压泵,所述机体的右上侧壁固定设有电动机。本发明在垃圾处理上采用空气的加压方式实现垃圾的固态与液态的分离,并将固体垃圾与液体垃圾通过出口排出,并且在机器工作中对过滤网不停的震动使垃圾能够均匀的分布在滤网上有效的避免了垃圾的堵塞也增大固液分离的处理速度,并在处理完成后对过滤网上的遗留垃圾进行有效的清理,减少成本。(The invention belongs to the field of garbage treatment, and relates to an air pressure type garbage dry-wet separation system which comprises a machine body, wherein a circular pull-open type feeding opening is formed in the upper side of the machine body, a left pressure pump is fixedly arranged on the upper right side in the machine body, a right pressure pump is fixedly arranged on the right side of the left pressure pump, and a motor is fixedly arranged on the upper right side wall of the machine body. According to the invention, the solid-liquid separation of the garbage is realized by adopting an air pressurization mode in the garbage treatment, the solid garbage and the liquid garbage are discharged through the outlet, the garbage can be uniformly distributed on the filter screen by ceaselessly vibrating the filter screen in the machine work, the garbage blockage is effectively avoided, the solid-liquid separation treatment speed is increased, the left garbage on the filter screen is effectively cleaned after the treatment is finished, and the cost is reduced.)

1. The air pressure type garbage dry-wet separation system comprises a machine body (10) and is characterized in that a circular pull-open type feeding port (11) is arranged on the upper side of the machine body (10), a left pressure pump (12) is fixedly arranged on the upper right side of the machine body (10), a right pressure pump (13) is fixedly arranged on the right side of the left pressure pump (12), a motor (14) is fixedly arranged on the upper right side wall of the machine body (10), a high-pressure cavity (51) is arranged in the machine body (10), an upper valve (26) is fixedly arranged on the lower side wall of the high-pressure cavity (51), a dry-wet separation device is arranged in the high-pressure cavity (51) and is used for separating solid garbage from liquid garbage, an absorption cavity (52) is arranged below the high-pressure cavity (51), a suction-discharge device is arranged in the absorption cavity (52), and the suction-discharge device is used for rapidly sucking out the liquid garbage in the high-pressure cavity (51), but also ensures that the cavity is in a stable high-pressure state.

2. An air pressure type refuse wet-dry separating system according to claim 1, wherein: dry wet separator is including fixing solid-state discharge gate (15) of high-pressure chamber (51) back lateral wall, the output of motor (14) stretches into in high-pressure chamber (51), the left end of the output of motor (14) is equipped with output gear (29), the downside of high-pressure chamber (51) is equipped with first pivot (35), both ends are all fixed and are equipped with gear wheel (25) about first pivot (35), output gear (29) and right side gear wheel (25) mesh mutually.

3. An air pressure type refuse wet-dry separating system according to claim 2, wherein: the left side wall of high pressure chamber (51) rotates and is equipped with third pivot (53), the fixed input gear (22) that is equipped with in centre of third pivot (53), the fixed cam (21) that is equipped with of right-hand member of third pivot (53), input gear (22) and left side gear wheel (25) mesh mutually, it is equipped with rocker (17) to rotate and slide on the left side wall of high pressure chamber (51), rocker (17) with be connected with spring (16) between the left side outer wall of organism (10), the right-hand member of rocker (17) stretches into in the high pressure chamber (51), the fixed conical gear (19) that is equipped with of right-hand member of rocker (17).

4. An air pressure type refuse wet-dry separating system according to claim 3, wherein: all seted up a groove on the lateral wall about high pressure chamber (51), this the inslot all slides and is equipped with outside baffle (44), every the lower lateral wall of outside baffle (44) with this be connected with spring (31) between the lateral wall on the groove, two about cam (21) and outside baffle (44) looks butt outside baffle (44) below is fixed and is equipped with down filter screen (24), filter screen (24) top is equipped with filter screen cleaning device down, can be with the upper surface and the lower surface clean up of filter screen, avoids blockking up.

5. An air pressure type refuse wet-dry separating system according to claim 4, wherein: the filter screen cleaning device comprises an upper filter screen (42) arranged above a lower filter screen (24), wherein inner side baffles (43) are fixedly arranged on the left side and the right side of the upper filter screen (42), a scraper (37) is arranged on the rear side of the upper filter screen (42), T-shaped chutes (18) are arranged on the inner side walls of the inner side baffles (43), the scraper (37) slides in the T-shaped chutes (18), arc-shaped chutes (56) are arranged on the inner side walls of the outer side baffles (44), pulleys (55) are arranged in the grooves of the arc-shaped chutes (56) in a sliding manner, the pulleys (55) are connected with the inner side baffles (43), a second rotating shaft (39) is arranged in the middle of the upper filter screen (42), a limiting block (33) is arranged in the middle of the second rotating shaft (39), meshing gears (40) are fixedly arranged at the left end and the right end of the second rotating shaft (39), and the left side of the second rotating shaft (39) stretches out of the inner side baffles (43), the second rotating shaft (39) is fixedly provided with a bevel gear (19), racks (34) are arranged on the left side and the right side of the upper filter screen (42), and the racks (42) are meshed with the racks (34).

6. An air pressure type refuse wet-dry separating system according to claim 5, wherein: solid-state discharge gate (15) right side below is equipped with one-level telescopic link (45), the slip of one-level telescopic link outside is equipped with second grade telescopic link (46), and the outside of second grade telescopic link (46) is equipped with rotatory right angle frame (47), rotatory right angle frame (47) right side below is equipped with slider (48), be equipped with spout (49) on slider (48) the horizontal direction, rotatory right angle frame (47) end is equipped with connecting rod (50), connecting rod (50) end with interior side shield (43) are connected, the fixed scraper (41) that is equipped with in outer lower side of rack (34).

7. An air pressure type refuse wet-dry separating system according to claim 6, wherein: inhale eduction gear and include lateral wall is equipped with valve (26) on absorption chamber (52), lateral wall is equipped with down valve (27) under absorption chamber (52), the right side of absorption chamber (52) is equipped with piston rod (30), the right side wall of piston rod (30) with be connected with the spring between the left side wall in absorption chamber (52), the upper right corner in absorption chamber (52) is equipped with down air inlet (20), air inlet (20) are connected with right force (forcing) pump (13) down and have the pump line, the below in absorption chamber (52) is equipped with guiding gutter (38), guiding gutter (38) and organism (10) fixed connection.

Technical Field

The invention belongs to the field of garbage treatment, and particularly relates to an air pressure type garbage dry-wet separation system.

Background

As is known, garbage is ubiquitous in our lives, some solid garbage is, some liquid garbage is easy to treat when existing independently, when the two exist in a mixed mode, the garbage is difficult to treat, typical kitchen garbage, recyclable garbage and the like can inevitably produce mixed garbage, the space of a garbage can cannot be fully utilized, labor cost is increased, the mixed garbage is prone to rotting and smelling under a high-temperature environment to affect the urban environment, the existing mixed garbage treatment method comprises a physical extrusion method and a centrifugal extrusion method, the physical extrusion method is difficult to clean rotating blades and channels to enable the garbage to be blocked in the device, and the centrifugal extrusion method brings that the garbage can not be well dried and wet separated due to the fact that centrifugal force solids can cling to the inner wall to block meshes when rotating.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides an air pressure type garbage dry-wet separation system, which can realize full filtration, separation and discharge of garbage during dry-wet separation of the garbage.

The purpose of the invention can be realized by the following technical scheme: the utility model provides a wet piece-rate system is done to rubbish of air pressure formula, includes the organism, the organism upside is equipped with circular pull-open pan feeding mouth, the fixed left force (forcing) pump that is equipped with of upper right side in the organism, the fixed right force (forcing) pump that is equipped with in right side of left side force (forcing) pump, the fixed motor that is equipped with of upper right side wall of organism, be equipped with the high-pressure chamber in the organism, the fixed valve that is equipped with on the lower lateral wall in high-pressure chamber, the high-pressure intracavity is equipped with wet separator futilely, and wet separator futilely is used for separating solid state rubbish and liquid rubbish, the below in high-pressure chamber is equipped with the absorption chamber, the absorption chamber is equipped with suction eduction gear, and suction eduction gear is used for the quick suction of liquid rubbish in the high-pressure chamber, can guarantee again that its intracavity is in stable high-pressure state.

Preferably, dry wet separator is including fixing the solid state discharge gate of high-pressure chamber back side wall, the output of motor stretches into in the high-pressure chamber, the left end of the output of motor is equipped with output gear, the downside in high-pressure chamber is equipped with first pivot, both ends are all fixed and are equipped with the gear wheel about first pivot, output gear and right side the gear wheel meshes mutually.

Preferably, the left side wall of the high-pressure cavity rotates to be provided with a third rotating shaft, an input gear is fixedly arranged in the middle of the third rotating shaft, a cam is fixedly arranged at the right end of the third rotating shaft, the input gear is meshed with the large gear on the left side, a rocker is arranged on the left side wall of the high-pressure cavity in a rotating and sliding mode, a spring is connected between the rocker and the outer wall of the left side of the machine body, the right end of the rocker extends into the high-pressure cavity, and a bevel gear is fixedly arranged at the right end of the rocker.

Preferably, a groove has all been seted up on the lateral wall about the high pressure chamber, should the inslot all slides and is equipped with outside baffle, every the lower lateral wall of outside baffle with this be connected with the spring between the lateral wall on the groove, cam and outside baffle looks butt control two the fixed filter screen that is equipped with in outside baffle below, the filter screen top is equipped with filter screen cleaning device down, can be with the upper surface and the lower surface clean up of filter screen, avoids blockking up.

Preferably, filter screen cleaning device includes the last filter screen of filter screen top down, go up the fixed interior side shield that is equipped with in the filter screen left and right sides, it is equipped with the scraper blade to go up the filter screen rear side, all be equipped with T type spout on the interior side shield inside wall, the scraper blade slides at T type spout. All be equipped with the arc spout on the lateral baffle inside wall, arc spout inslot all slides and is equipped with the pulley, the pulley with interior side shield is connected, it is equipped with the second pivot to go up filter screen mid portion, the centre of second pivot is equipped with the stopper, both ends are all fixed and are equipped with the meshing gear about the second pivot, the left side of second pivot is stretched out the left side outside the interior side shield, the fixed conical gear that is equipped with of second pivot, the left and right sides of going up the filter screen all is equipped with the rack, the rack with the rack meshes mutually.

Preferably, solid-state discharge gate right side below is equipped with the one-level telescopic link, the slip of the one-level telescopic link outside is equipped with the second grade telescopic link, and the outside of second grade telescopic link is equipped with rotatory right-angle frame, rotatory right-angle frame right side below is equipped with the slider, be equipped with the spout on the slider horizontal direction, rotatory right-angle frame end is equipped with the connecting rod, the connecting rod end with interior side shield is connected. And a scraper is fixedly arranged on the outer lower side of the rack.

Preferably, inhale eduction gear and include lateral wall is equipped with the valve on the absorption chamber, lateral wall is equipped with down the valve under the absorption chamber, the right side in absorption chamber is equipped with the piston rod, the right side wall of piston rod with be connected with the spring between the left side wall in absorption chamber, the upper right corner in absorption chamber is equipped with down the air inlet, the air inlet is connected with the pump line with right force (forcing) pump down, the below in absorption chamber is equipped with the guiding gutter, guiding gutter and organism fixed connection.

When the dry-wet separator works, the motor on the right side of the separator body is electrified to rotate, the right output gear rotates to drive the right cam to rotate, the right output gear transmits power to the left big gear wheel through being meshed with the right big gear wheel, and then the power is transmitted to the left cam wheel, the outer side baffle is driven to move up and down by the action of the cam to compress the spring, so that garbage falling into the high-pressure cavity is subjected to up-and-down vibration screening, and the filtering net is prevented from being blocked.

The left booster pump enters the high-pressure cavity through the upper air inlet to enable the high-pressure cavity to be in a high-pressure state, so that the speed of dry-wet separation is increased, the right booster pump enters the absorption cavity through the lower air inlet to enable the piston rod to move to the left under pressure, and the lower valve is forced to open gas to be discharged due to the fact that the gas density of the absorption cavity is gradually increased in the moving process.

The right booster pump stops working, the piston rod contracts towards the right side under the action of the spring, the upper valve is opened to absorb liquid garbage under the action of the pressure of the upper high-pressure cavity and the piston rod, the lower valve is not moved at the moment, then the right booster pump working piston rod moves towards the left to discharge the liquid through the lower valve so as to reciprocate, and the liquid falls into the diversion trench and flows to the liquid discharge port through the diversion trench to be discharged out of the machine.

Only solid rubbish stops on last filter screen after above-mentioned motion is accomplished, machine stop function opens solid-state discharge gate this moment, and solid-state discharge gate drives the one-level telescopic link slip rather than being connected, drives the motion of second grade telescopic link when the motion of one-level telescopic link reaches the limit, and the second grade telescopic link drives rotatory right angle frame again and does and rotate extreme position, and the slider slides through the spout under the effect of solid-state discharge gate left, then rotatory right angle frame clockwise rotation forces the connecting rod to move right.

The connecting rod pushes up the filter screen to the right, and the right-hand member of going up the filter screen slides through the arc spout on the lateral baffle, goes up the filter screen and does anticlockwise rotation and stops when it slides and is in certain angle, and the rocker that is in the organism left presses right before last filter screen stops, and compression spring moves right, is connected with the terminal conical gear of second pivot until the terminal conical gear of rocker, rotates the rocker after the connection is accomplished, drives the second pivot and rotates, meshes the rack with first pivot and rotates.

Go up the scraper blade of the fixed connection on the rack of filter screen right-hand member, move the low side through upper and lower T type spout along the upper surface of last filter screen under the second pivot rotation effect, pass through the opening discharge machine of solid-state discharge gate with solid waste, under the rotation effect of second pivot, be in filter screen lower surface and its fixed connection's scraper, along the lower surface upward movement of last filter screen, cut off remaining rubbish to reach the mesh of filter screen in the clearance.

Compared with the prior art, the air pressure type garbage dry-wet separation system has the following advantages:

1. the dry-wet separation of the garbage adopts a mode of pressurizing air, realizes effective separation, and simultaneously ensures the stability of air pressure while discharging solid and liquid garbage.

2. When the filter screen is operated, solid-liquid garbage can be uniformly distributed on the surface of the filter screen through the vibration of the filter screen, so that the contact area is increased, and the solid-liquid treatment speed is increased.

3. After the treatment is finished, the upper surface and the lower surface of the garbage on the filter screen are cleaned, so that the cost of manual cleaning can be effectively reduced, and the retention of the garbage is reduced.

Drawings

Fig. 1 is a schematic structural diagram of an air pressure type garbage dry-wet separation system.

Fig. 2 is a sectional view taken along a line a-a in fig. 1.

Fig. 3 is an enlarged view of the structure at B in fig. 1.

Fig. 4 is an enlarged view of the structure at C in fig. 2.

Fig. 5 is an enlarged view of the structure at D in fig. 1.

Fig. 6 is an enlarged view of the structure at E in fig. 2.

Fig. 7 is an enlarged view of the structure at F in fig. 1.

Fig. 8 is an enlarged view of the structure at G in fig. 2.

In the figure, 10, the body; 11. a feeding port; 12. a left pressure pump; 13. a right pressure pump; 14. an electric motor; 15. a solid discharge port; 16. a first spring; 17. a rocker; 18. a T-shaped chute; 19. a bevel gear; 20. a lower air inlet; 21. a cam; 22. an input gear; 23. a bearing; 24. a lower filter screen; 25. a bull gear; 26. an upper valve; 27. a lower valve; 28. a liquid discharge port; 29. an input gear; 30. a piston rod; 31. a second spring; 32. (ii) a 33. A limiting block; 34. a rack; 35. a first rotating shaft; 36. an upper inlet port; 37. a squeegee; 38. a diversion trench; 39. a second rotating shaft; 40. a meshing gear; 41. a scraper; 42. a filter screen is arranged; 43. an inboard baffle; 44. an outer baffle; 45. a first-stage telescopic rod; 46. a secondary telescopic rod; 47. rotating the right-angle stand; 48. a slider; 49. a chute; 50. a connecting rod; 51. a high pressure chamber; 52. an absorption chamber; 53. a third rotating shaft; 55. a pulley; 56. a chute.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, an air pressure type garbage dry-wet separation system includes a machine body 10, a circular pull-open type feeding port 11 is arranged on the upper side of the machine body 10, a left pressure pump 12 is fixedly arranged on the upper right side of the machine body 10, a right pressure pump 13 is fixedly arranged on the right side of the left pressure pump 12, a motor 14 is fixedly arranged on the upper right side wall of the machine body 10, a high pressure chamber 51 is arranged in the machine body 10, an upper valve 26 is fixedly arranged on the lower side wall of the high pressure chamber 51, a dry-wet separation device is arranged in the high pressure chamber 51 and used for separating solid garbage from liquid garbage, an absorption chamber 52 is arranged below the high pressure chamber 51, a suction-discharge device is arranged in the absorption chamber 52 and used for rapidly sucking out the liquid garbage in the high pressure chamber 51 and ensuring that the inside of the absorption chamber is in a stable high pressure state.

As shown in fig. 1, the dry-wet separation device includes a solid discharge port 15 fixed on the rear side wall of a high-pressure chamber 51, an output end of a motor 14 extends into the high-pressure chamber 51, an output gear 29 is arranged at the left end of the output end of the motor 14, a first rotating shaft 35 is arranged at the lower side of the high-pressure chamber 51, large gears 25 are fixedly arranged at the left end and the right end of the first rotating shaft 35, and the output gear 29 is engaged with the large gear 25 at the right side.

As shown in fig. 1, a third rotating shaft 53 is rotatably disposed on the left side wall of the high pressure chamber 51, an input gear 22 is fixedly disposed in the middle of the third rotating shaft 53, a cam 21 is fixedly disposed at the right end of the third rotating shaft 53, the input gear 22 is engaged with the left large gear 25, a rocker 17 is rotatably and slidably disposed on the left side wall of the high pressure chamber 51, a first spring 16 is connected between the rocker 17 and the left outer wall of the machine body 10, the right end of the rocker 17 extends into the high pressure chamber 51, and a bevel gear 19 is fixedly disposed at the right end of the rocker 17.

As shown in fig. 5, a groove is formed in each of the left and right side walls of the high-pressure chamber 51, an outer side baffle 44 is slidably arranged in the groove, a second spring 31 is connected between the lower side wall of each outer side baffle 44 and the upper side wall of the groove, the cam 21 is abutted against the outer side baffles 44, a lower filter screen 24 is fixedly arranged below each of the left and right outer side baffles 44, and a filter screen cleaning device is arranged above the lower filter screen 24 to clean the upper surface and the lower surface of the filter screen and avoid blockage.

As shown in fig. 1, 2, 3, 6, 7 and 8, the filter screen cleaning device includes an upper filter screen 42 above the lower filter screen 24, inner side baffles 43 are fixedly arranged at the left and right sides of the upper filter screen 42, a scraper 37 is arranged at the rear side of the upper filter screen 42, T-shaped chutes 18 are arranged on the inner side walls of the inner side baffles 43, and the scraper 37 slides in the T-shaped chutes 18. All be equipped with arc spout 56 on the outside baffle 44 inside wall, 56 inslots of arc spout all slide and be equipped with pulley 55, pulley 55 with inside baffle 43 is connected, goes up filter screen 42 mid portion and is equipped with second pivot 39, and the centre of second pivot 39 is equipped with stopper 33, and both ends are all fixed to be equipped with meshing gear 40 about second pivot 39, and outside left side inside baffle 43 was stretched out in the left side of second pivot 39, second pivot 39 is fixed and is equipped with conical gear 19, and the left and right sides of going up filter screen 42 all is equipped with rack 34, and rack 42 meshes with rack 34 mutually.

As shown in fig. 4 and fig. 7, a first-stage telescopic rod 45 is arranged at the right lower part of the solid-state discharge port 15, a second-stage telescopic rod 46 is arranged at the outer side of the first-stage telescopic rod in a sliding manner, a rotating right-angle frame 47 is arranged at the outer side of the second-stage telescopic rod 46, a sliding block 48 is arranged at the right lower part of the rotating right-angle frame 47, a sliding groove 49 is formed in the sliding block 48 in the horizontal direction, a connecting rod 50 is arranged at the tail end of the rotating right-angle frame 47, and the tail end of the connecting rod 50 is connected with the inner side baffle 43. The outer lower side of the rack 34 is fixedly provided with a scraper 41.

As shown in fig. 1, the suction and discharge device includes an upper valve 26 disposed on the upper side wall of the absorption cavity 52, a lower valve 27 disposed on the lower side wall of the absorption cavity 52, a piston rod 30 disposed on the right side of the absorption cavity 52, a spring connected between the right side wall of the piston rod 30 and the left side wall of the absorption cavity 52, a lower air inlet 20 disposed on the upper right corner of the absorption cavity 52, a pump pipe connected to the lower air inlet 20 and the right pressure pump 13, a diversion trench 38 disposed below the absorption cavity 52, and a diversion trench 38 fixedly connected to the machine body 10.

When the dry-wet separator works, the motor 14 on the right side of the separator body 10 is electrified to rotate, the right output gear 29 rotates to drive the right cam 21 to rotate, the right output gear 29 transmits power to the large gear 25 on the left side through mutual meshing with the large gear 25 on the right side, and then the power is transmitted to the cam 21 on the left side, the outer baffle 44 is driven to move up and down by the action of the cam 21 to compress the second spring 31, so that garbage falling into the high-pressure cavity 51 is subjected to up-and-down vibration screening, and the phenomenon that the garbage blocks the upper filter screen 42 is avoided.

The high pressure chamber 51 is in a high pressure state because the operation of the left pressure pump 12 enters the high pressure chamber 51 through the upper air inlet 36, the speed of dry-wet separation is forced to be accelerated, and the operation of the right pressure pump 13 enters the absorption chamber 52 through the lower air inlet 20, the piston rod 30 moves to the left side under pressure, and the gas density of the absorption chamber 52 is gradually increased in the moving process, so that the lower valve 27 is forced to open and exhaust the gas.

The right pressure pump 13 stops working piston rod 30 to contract towards the right side under the action of the spring, under the action of the pressure of the upper high-pressure cavity 51 and the piston rod 30, the upper valve 26 opens the absorption cavity 52 to absorb liquid garbage, the lower valve 27 is stationary at the moment, and then the right pressure pump 13 working piston rod 30 moves towards the left to discharge the liquid through the lower valve 27 so as to reciprocate, and the liquid falls into the diversion trench 38 and flows to the liquid discharge hole 28 through the diversion trench 38 to be discharged out of the machine.

When the movement is completed, only solid garbage stays on the upper filter screen 42, the machine stops operating to open the solid discharge port 15, the solid discharge port 15 drives the one-stage telescopic rod 45 connected with the solid discharge port to slide, the one-stage telescopic rod 45 drives the two-stage telescopic rod 46 to move when the movement reaches the limit, the two-stage telescopic rod 46 drives the rotating right-angle frame 47 to rotate to the limit position, the sliding block 48 slides leftwards through the sliding groove 49 under the action of the solid discharge port 15, and the rotating right-angle frame 47 rotates clockwise to force the connecting rod 50 to move rightwards.

The connecting rod 50 pushes the upper filter screen 42 to the right, the right end of the upper filter screen 42 slides through the arc-shaped sliding groove in the outer side baffle 44, the upper filter screen 42 rotates anticlockwise and stops when sliding at a certain angle, the rocker 17 on the left side of the machine body 10 is pressed to the right before the upper filter screen 42 stops, the first spring 16 is compressed and compressed to move to the right until the conical gear 19 at the tail end of the rocker 17 is connected with the conical gear 19 at the tail end of the second rotating shaft 39, the rocker 17 is rotated after connection is completed, the second rotating shaft 39 is driven to rotate, and the second rotating shaft 39 is meshed with the first rotating shaft 39 to rotate the rack 34.

The scraper 37 of fixed connection on rack 34 of going up filter screen 42 right-hand member moves the low end through upper and lower T type spout 18 along the upper surface of last filter screen 42 under the effect is rotated to second pivot 39, with solid waste through the opening discharge machine of solid-state discharge gate 15, under the effect is rotated to second pivot 39, be in filter screen 42 lower surface and its fixed connection's scraper 41, along the lower surface upward movement of last filter screen 42, cut off remaining rubbish, with the purpose that reaches clearance filter screen 42.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.