CN113857217B

CN113857217B - Municipal refuse treatment device

Info

Publication number: CN113857217B
Application number: CN202111151686.0A
Authority: CN
Inventors: 李渝; 向鑫
Original assignee: Chongqing Linde Science & Technology Development Co ltd
Current assignee: Chongqing Linde Science & Technology Development Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-11-08
Anticipated expiration: 2041-09-29
Also published as: CN113857217A

Abstract

The invention relates to the technical field of garbage treatment, in particular to an urban garbage treatment device. It has solved the problem that current device can not smash and deodorize simultaneously to the thing of treating. The device comprises a device body, wherein a deodorizing mechanism and a crushing mechanism are arranged in the device body, a feed inlet and a feed channel are formed in the device body, a to-be-treated object flows to the deodorizing mechanism through the feed inlet and then flows to the crushing mechanism through the feed channel, a connecting part for connecting the deodorizing mechanism and the crushing mechanism is further arranged in the device body, and when the deodorizing mechanism works, the crushing mechanism is driven to work through the connecting part. According to the invention, the object to be treated is led in and flows to the deodorizing mechanism and the crushing mechanism through the feeding hole and the feeding channel respectively, when the deodorizing mechanism works, the crushing mechanism is driven to work through the connecting part, so that the object to be treated can be crushed and deodorized simultaneously, the structure is ingenious, the garbage treatment is rapid and efficient, and the garbage treatment effect is improved.

Description

Municipal refuse treatment device

Technical Field

The invention relates to the technical field of garbage treatment, in particular to an urban garbage treatment device.

Background

With the continuous development of human society, the requirements of people on living environment are continuously increased, and the development vision of smart cities is provided in many areas at home and abroad, and the main purpose of the development vision is to promote the harmonious and sustainable development of the cities. The urban development can not be changed from new to old without a building, buildings adjacent to or exceeding the safe service life can generate a lot of building wastes when being dismantled, at present, the treatment of the building wastes in most areas of China is not strict enough, the buildings are generally directly transported to the outskirts for burying, not only cultivated land can be reduced, but also environmental pollution can be caused, and the situation is obviously contradictory to smart cities.

While the urban garbage yield in China is continuously increased, the classification, recovery and treatment capacities and the development level of the household garbage are relatively lagged, namely the urban household garbage treatment technology in China is very weak, and the treatment selected by the urban household garbage treatment technology is often a problem of urban household garbage treatment.

At present, most of municipal waste is crushed by a special waste crusher, then the smell of the waste is pretreated, a deodorant and the like are sprayed on the surface of the waste, and the deodorant is fully contacted with the waste. However, the garbage can not be simultaneously crushed and deodorized, the crushing and deodorizing effects are not good, the garbage is inconvenient to be subsequently treated and recycled, and the garbage treatment effect is influenced.

Disclosure of Invention

The invention provides an urban garbage treatment device which is beneficial to simultaneously crushing and deodorizing objects to be treated, has an ingenious structure, can quickly and efficiently treat garbage and improves the garbage treatment effect.

In order to solve the technical problems, the invention adopts the following technical scheme:

the utility model provides a municipal refuse treatment device, includes the device body, this internal deodorization mechanism and rubbing crusher construct of being equipped with of device, feed inlet and pay-off passageway have been seted up on the device body, and pending thing is through feed inlet flow direction deodorization mechanism, then flows to rubbing crusher construct through the pay-off passageway, this internal adapting unit who is used for connecting deodorization mechanism and rubbing crusher construct that still is equipped with of device works as when deodorization mechanism works, drives rubbing crusher construct work through adapting unit.

Further, the installation cavity has been seted up in the device body, installation cavity and feed inlet intercommunication, deodorization mechanism includes a deodorization section of thick bamboo, first connecting axle, second connecting axle, deodorizer and power unit, power unit links firmly in the top surface of installation cavity, a deodorization section of thick bamboo is network structure, the material pouring mouth has been seted up to the bottom of a deodorization section of thick bamboo, the top of first connecting axle links firmly with power unit's output shaft is coaxial, the bottom of first connecting axle links firmly with the bottom middle part of a deodorization section of thick bamboo, the centrifugation of second connecting axle sets up in a deodorization section of thick bamboo, the top of second connecting axle is rotated and is connected in the installation cavity, the deodorizer is located on the second connecting axle, be equipped with drive disk assembly between first connecting axle and the second connecting axle, adapting unit links to each other with the second connecting axle.

Furthermore, the transmission component comprises a first gear and a second gear, the first connecting shaft is parallel to the second connecting shaft, the first gear is fixedly connected to the first connecting shaft, the second gear is fixedly connected to the second connecting shaft, and the first gear is meshed with the second gear.

Further, be equipped with on the second connecting axle and clean the post, the diameter of cleaning the post is less than the distance between first connecting axle and the second connecting axle, it is equipped with the brush that cleans to clean circumference on the post, the outer end of cleaning the brush supports and leans on in the inner wall of deodorization section of thick bamboo.

Further, be equipped with the feeding baffle in the feed inlet, the bottom of feeding baffle extends to the top opening part of a deodorization section of thick bamboo.

Further, rubbing crusher constructs including smashing the pinion rack down, going up crushing pinion rack, guide part and smashing the seat, smash the seat and link to each other and pass through guide part longitudinal movement with adapting unit, the top of going up crushing pinion rack links firmly with smashing the seat, lower crushing pinion rack slope sets up in the installation cavity, works as smash the pinion rack and go up crushing pinion rack combination down when the seat downstream targets in place.

Further, the guide part includes guide holder and guiding hole, direction Kong Zongxiang sets up on smashing the seat, the guide holder sliding fit in the guiding hole and its top link firmly on the installation cavity, the bottom of guide holder is worn out the guiding hole and is connected with the layer board, the width of layer board is greater than the width of guiding hole.

Furthermore, the connecting part comprises a spiral groove and a connecting rod, the spiral groove is coaxially formed in the second connecting shaft, one end of the connecting rod is fixedly connected with the crushing seat, and the other end of the connecting rod is in sliding fit in the spiral groove.

Further, crushing chamber has been seted up to the bottom of installation cavity, the bottom of smashing the pinion rack down articulates in the installation cavity, the top of smashing the pinion rack down stretches into crushing intracavity, the distance between the top of smashing the chamber opening part and the lower crushing pinion rack is 1-7MM, the bottom surface of smashing the chamber is equipped with the expanding spring of vertical flexible, expanding spring's bottom acts on the bottom surface of smashing the chamber, expanding spring's top acts on the bottom surface top of smashing the pinion rack down.

Further, a collecting opening is formed in the bottom surface of the mounting cavity and is located on the side of the bottom end of the lower crushing toothed plate.

The invention has the beneficial effects that:

1. leading-in with pending thing, flow to deodorization mechanism and rubbing crusher structure respectively through feed inlet and pay-off passageway, when deodorization mechanism work, drive rubbing crusher structure work through adapting unit, do benefit to simultaneously to be handled thing and smash and deodorization, the structure is ingenious, and is quick and high-efficient to the processing of rubbish, has promoted the refuse treatment effect.

2. The first connecting shaft is driven to rotate through the servo motor, the second connecting shaft is driven to rotate through the transmission part, the deodorizer is started, and after the object to be treated enters the deodorizing cylinder, the deodorizer rotates in the deodorizing cylinder in the circumferential direction and deodorizes the object to be treated at the same time, so that the acting range of the deodorizer is expanded.

3. When a deodorization barrel rotates, under the action of a first gear and a second gear, a first connecting shaft and a second connecting shaft synchronously rotate, and the rotating directions between the first connecting shaft and the second connecting shaft are opposite, so that the rotating directions of the second connecting shaft and the deodorization barrel are opposite, the cleaning effect of the cleaning brush is accelerated, and the moving speed of the cleaning brush can be controlled by changing the gear ratio of the first gear and the second gear.

4. Because the feeding guide plate is arranged, the bottom end of the feeding guide plate extends to the opening at the top end of the deodorization cylinder. The pending thing is leading-in from the feed inlet, in falling into the deodorization section of thick bamboo along the bottom of feeding baffle, avoids pending thing to reveal outside the deodorization section of thick bamboo.

5. The crushing mechanism comprises a second lower crushing toothed plate, an upper crushing toothed plate, a guide component and a crushing seat, when the second connecting shaft rotates, the connecting component drives the crushing seat to move longitudinally, and drives the upper crushing toothed plate to move longitudinally, so that the objects to be treated are crushed; can crush and deodorize the object to be treated at the same time, and improves the garbage treatment effect.

6. When the second connecting shaft rotates, the connecting rod is driven to move axially along the second connecting shaft under the action of the spiral groove and the connecting rod, the crushing seat is driven to move longitudinally along the guide hole, the structure is ingenious, simultaneous movement of the second connecting shaft and the crushing seat is effectively achieved, and the structure is compact.

7. Owing to be provided with crushing chamber and expanding spring, go up crushing pinion rack downstream back, the bottom that drives down crushing pinion rack rotates, then the top extrusion expanding spring of lower crushing pinion rack, expanding spring is compressed, and the top of lower crushing pinion rack acts on the opening part bottom of smashing the chamber afterwards, goes up crushing pinion rack and continues downwards crushing pinion rack and be close to, realizes treating the smashing of treatment thing.

8. Smash the back that finishes, go up crushing pinion rack and lower crushing pinion rack separation, the crushing pinion rack rotates around its bottom under the spring action of expanding spring drives down, the top of lower crushing pinion rack is compressed tightly in the opening part top of smashing the chamber by stretching out and drawing back, can shake out and lie in this time remaining residue on the crushing pinion rack, make it tremble the bottom of smashing the pinion rack downwards, be convenient for guarantee lower crushing pinion rack upper surface clean and tidy, be convenient for improve the crushing effect of treating the thing.

Drawings

FIG. 1 is a schematic structural view of the municipal refuse treatment apparatus;

FIG. 2 is a sectional view showing the construction of the municipal refuse treatment apparatus;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

FIG. 4 is an enlarged view of the structure at B in FIG. 2;

FIG. 5 is a schematic view of the structure of the deodorizing canister;

description of reference numerals:

1. a device body; 2. a deodorizing mechanism; 21. a deodorizing cylinder; 211. pouring a material port; 22. a first connecting shaft; 23. a second connecting shaft; 24. a deodorizer; 25. a power unit; 3. a crushing mechanism; 31. a lower crushing toothed plate; 32. a crushing toothed plate is arranged; 33. a guide member; 331. a guide seat; 332. a guide hole; 34. a crushing seat; 4. a feed inlet; 5. a feed channel; 6. a connecting member; 61. a helical groove; 62. a connecting rod; 7. a mounting cavity; 8. a transmission member; 81. a first gear; 82. a second gear; 9. cleaning the column; 10. cleaning a brush; 11. a feeding guide plate; 12. a support plate; 13. a grinding chamber; 14. a tension spring; 15. a collection port.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

As shown in fig. 1-5, a municipal refuse treatment device comprises a device body 1, a deodorization mechanism 2 and a crushing mechanism 3 are arranged in the device body 1, a feed inlet 4 and a feed channel 5 are arranged on the device body 1, an object to be treated flows to the deodorization mechanism 2 through the feed inlet 4 and then flows to the crushing mechanism 3 through the feed channel 5, a connecting part 6 for connecting the deodorization mechanism 2 and the crushing mechanism 3 is also arranged in the device body 1, and when the deodorization mechanism 2 works, the crushing mechanism 3 is driven to work through the connecting part 6.

Leading-in with pending thing, flow to deodorizing mechanism 2 and rubbing crusher mechanism 3 respectively through feed inlet 4 and pay-off passageway 5, when deodorizing mechanism 2 work, drive rubbing crusher mechanism 3 work through adapting unit 6, do benefit to simultaneously to handle the thing and smash and deodorize, the structure is ingenious, and is quick and high-efficient to the processing of rubbish, has promoted the refuse treatment effect.

In this embodiment, installation cavity 7 has been seted up in device body 1, installation cavity 7 and feed inlet 4 intercommunication, deodorization mechanism 2 includes a deodorization section of thick bamboo 21, first connecting axle 22, second connecting axle 23, deodorizer 24 and power unit 25, power unit 25 links firmly in the top surface of installation cavity 7, a deodorization section of thick bamboo 21 is network structure, material pouring port 211 has been seted up to the bottom of a deodorization section of thick bamboo 21, the top of first connecting axle 22 links firmly with power unit 25's output shaft is coaxial, the bottom of first connecting axle 22 links firmly with the bottom middle part of a deodorization section of thick bamboo 21, the centrifugation of second connecting axle 23 sets up in a deodorization section of thick bamboo 21, the top of second connecting axle 23 is rotated and is connected in installation cavity 7, deodorizer 24 is located on second connecting axle 23, be equipped with drive disk assembly 8 between first connecting axle 22 and the second connecting axle 23, adapting unit 6 links to each other with second connecting axle 23.

Wherein, power unit 25 is servo motor, during the use, drive first connecting shaft 22 through servo motor and rotate to drive second connecting shaft 23 through drive disk assembly 8 and rotate, start deodorizer 24, after in waiting to handle the thing and getting into deodorization section of thick bamboo 21, deodorizer 24 is in deodorization section of thick bamboo 21 internal periphery on one side rotates and is treated the thing and go on deodorizing, has enlarged deodorizer 24's scope of can acting on, then flows out the deodorant thing from pouring port 211, flows to rubbing crusher mechanism 3 through pay-off passageway 5.

In this embodiment, the transmission component 8 includes a first gear 81 and a second gear 82, the first connecting shaft 22 is parallel to the second connecting shaft 23, the first gear 81 is fixedly connected to the first connecting shaft 22, the second gear 82 is fixedly connected to the second connecting shaft 23, and the first gear 81 is engaged with the second gear 82. Under the action of the first gear 81 and the second gear 82, the first connecting shaft 22 and the second connecting shaft 23 rotate synchronously, and the normal operation of the deodorization mechanism 2 is guaranteed.

In this embodiment, the second connecting shaft 23 is provided with a cleaning column 9, the diameter of the cleaning column 9 is smaller than the distance between the first connecting shaft 22 and the second connecting shaft 23, the cleaning brush 10 is circumferentially arranged on the cleaning column 9, and the outer end of the cleaning brush 10 abuts against the inner wall of the deodorizing cylinder 21. When the deodorizing cylinder 21 rotates, under the action of the first gear 81 and the second gear 82, the first connecting shaft 22 and the second connecting shaft 23 rotate synchronously, and the rotating directions of the first connecting shaft 22 and the second connecting shaft 23 are opposite, so that the rotating directions of the second connecting shaft 23 and the deodorizing cylinder 21 are opposite, the cleaning effect of the cleaning brush 10 is accelerated, and the moving speed of the cleaning brush 10 can be controlled by changing the gear ratio of the first gear 81 and the second gear 82.

In this embodiment, a feeding guide plate 11 is disposed in the feeding port 4, and a bottom end of the feeding guide plate 11 extends to an opening at a top end of the deodorizing cylinder 21. The object to be treated is introduced from the feed port 4 and falls into the deodorizing cylinder 21 along the bottom end of the feed guide plate 11, so that the object to be treated is prevented from leaking out of the deodorizing cylinder 21.

In this embodiment, rubbing crusher constructs 3 and includes lower crushing pinion rack 31, goes up crushing pinion rack 32, guide part 33 and smashes seat 34, smashes seat 34 and links to each other and pass through guide part 33 longitudinal movement with adapting unit 6, and the top of going up crushing pinion rack 32 links firmly with crushing seat 34, and lower crushing pinion rack 31 slope sets up in installation cavity 7, smashes pinion rack 31 and last crushing pinion rack 32 and merges down when smashing seat 34 downstream and targetting in place.

When the second connecting shaft 23 rotates, the connecting part 6 drives the crushing seat 34 to move longitudinally, and drives the upper crushing toothed plate 32 to move longitudinally, so that the objects to be treated are crushed; the object to be treated can be simultaneously crushed and deodorized, and the garbage treatment effect is improved.

In this embodiment, the guiding member 33 includes a guiding seat 331 and a guiding hole 332, the guiding hole 332 is longitudinally opened on the crushing seat 34, the guiding seat 331 is slidably fitted in the guiding hole 332 and the top end thereof is fixedly connected to the mounting cavity 7, the bottom end of the guiding seat 331 penetrates through the guiding hole 332 and then is connected to the supporting plate 12, and the width of the supporting plate 12 is greater than that of the guiding hole 332. When the second connecting shaft 23 rotates, the connecting part 6 drives the crushing seat 34 to move longitudinally along the guide hole 332, the longitudinal movement of the crushing seat 34 is stabilized through the guide hole 332 and the guide seat 331, and the movement stability of the crushing seat is improved; when the lower crushing toothed plate 31 moves to the position where the upper crushing toothed plate 32 moves to the right, the bottom end of the crushing seat 34 acts on the supporting plate 12, and the lowest movement position of the crushing seat 34 is conveniently limited by the supporting plate 12.

In this embodiment, the connecting member 6 includes a spiral groove 61 and a connecting rod 62, the spiral groove 61 is coaxially opened on the second connecting shaft 23, one end of the connecting rod 62 is fixedly connected to the crushing base 34, and the other end of the connecting rod 62 is slidably fitted in the spiral groove 61.

When the second connecting shaft 23 rotates, the connecting rod 62 is driven to move axially along the second connecting shaft 23 under the action of the spiral groove 61 and the connecting rod 62, the crushing seat 34 is driven to move longitudinally along the guide hole 332, the structure is ingenious, simultaneous movement of the second connecting shaft 23 and the crushing seat 34 is effectively realized, and the structure is compact.

In this embodiment, crushing chamber 13 has been seted up to the bottom of installation cavity 7, and the bottom of lower crushing pinion rack 31 articulates in installation cavity 7, and the top of lower crushing pinion rack 31 stretches into in crushing cavity 13, and the distance between the top of crushing cavity 13 opening part and lower crushing pinion rack 31 is 1-7MM, and the bottom surface of crushing cavity 13 is equipped with vertical flexible expanding spring 14, and expanding spring 14's bottom acts on the bottom surface of crushing cavity 13, and expanding spring 14's top acts on the bottom surface top of lower crushing pinion rack 31.

After the upper crushing toothed plate 32 moves downwards, the bottom end of the lower crushing toothed plate 31 is driven to rotate, then the top end of the lower crushing toothed plate 31 extrudes the telescopic spring 14, the telescopic spring 14 is compressed, then the top end of the lower crushing toothed plate 31 acts on the bottom end of the opening of the crushing cavity 13, the upper crushing toothed plate 32 continues to approach the lower crushing toothed plate 31, and crushing of the objects to be treated is realized; after the crushing is finished, the upper crushing toothed plate 32 is separated from the lower crushing toothed plate 31, the lower crushing toothed plate 31 is driven to rotate around the bottom end of the upper crushing toothed plate 31 under the action of the elastic force of the telescopic spring 14, the top end of the lower crushing toothed plate 31 is telescopically pressed on the top end of the opening of the crushing cavity 13, and residues remained on the lower crushing toothed plate 31 can be shaken out to shake the bottom end of the lower crushing toothed plate 31, so that the cleanness and tidiness of the upper surface of the lower crushing toothed plate 31 are ensured, and the crushing effect of objects to be treated is improved; wherein, the distance between the top of crushing chamber 13 opening part and lower crushing pinion rack 31 is preferably 3-5MM, effectively guarantees the shake-out volume of this residue.

In this embodiment, collection mouth 15 has been seted up to the bottom surface of installation cavity 7, collects mouth 15 and is located the bottom side of lower crushing pinion rack 31. Because lower crushing toothed plate 31 slope sets up, the pending thing after smashing flows to collection mouth 15 along lower crushing toothed plate 31, collects this thing of having handled through collecting mouth 15.

All the technical features in the embodiment can be freely combined according to actual needs.

The above embodiments are preferred implementations of the present invention, and other implementations are also included, and any obvious substitutions are within the scope of the present invention without departing from the spirit of the present invention.

Claims

1. A municipal refuse treatment device comprises a device body (1) and is characterized in that a deodorization mechanism (2) and a crushing mechanism (3) are arranged in the device body (1), a feed inlet (4) and a feed channel (5) are formed in the device body (1), a material to be treated flows to the deodorization mechanism (2) through the feed inlet (4) and then flows to the crushing mechanism (3) through the feed channel (5), a connecting component (6) for connecting the deodorization mechanism (2) and the crushing mechanism (3) is further arranged in the device body (1), and when the deodorization mechanism (2) works, the crushing mechanism (3) is driven to work through the connecting component (6);

the device comprises a device body (1), wherein a mounting cavity (7) is formed in the device body (1), the mounting cavity (7) is communicated with a feeding hole (4), a deodorizing mechanism (2) comprises a deodorizing cylinder (21), a first connecting shaft (22), a second connecting shaft (23), a deodorizer (24) and a power unit (25), the power unit (25) is fixedly connected to the top surface of the mounting cavity (7), the deodorizing cylinder (21) is of a net-shaped structure, a material pouring hole (211) is formed in the bottom end of the deodorizing cylinder (21), the top end of the first connecting shaft (22) is coaxially and fixedly connected with an output shaft of the power unit (25), the bottom end of the first connecting shaft (22) is fixedly connected with the middle part of the bottom end of the deodorizing cylinder (21), the second connecting shaft (23) is centrifugally arranged in the deodorizing cylinder (21), the top end of the second connecting shaft (23) is rotatably connected in the mounting cavity (7), the deodorizer (24) is arranged on the second connecting shaft (23), a transmission component (8) is arranged between the first connecting shaft (22) and the second connecting shaft (23), and the second connecting shaft (6) is connected with the second connecting component (23);

crushing mechanism (3) are including lower crushing pinion rack (31), go up crushing pinion rack (32), guide part (33) and crushing seat (34), crushing seat (34) link to each other and pass through guide part (33) longitudinal movement with adapting unit (6), the top of going up crushing pinion rack (32) links firmly with crushing seat (34), lower crushing pinion rack (31) slope sets up in installation cavity (7), works as when crushing seat (34) move down and target in place, lower crushing pinion rack (31) and last crushing pinion rack (32) merge.

2. A municipal waste treatment device according to claim 1, characterized in that the transmission member (8) comprises a first gear (81) and a second gear (82), the first connecting shaft (22) being parallel to the second connecting shaft (23), the first gear (81) being attached to the first connecting shaft (22), the second gear (82) being attached to the second connecting shaft (23), the first gear (81) being in mesh with the second gear (82).

3. A municipal waste treatment device according to claim 2, wherein a cleaning post (9) is provided on the second connecting shaft (23), the diameter of the cleaning post (9) is smaller than the distance between the first connecting shaft (22) and the second connecting shaft (23), a cleaning brush (10) is provided circumferentially on the cleaning post (9), and the outer end of the cleaning brush (10) abuts against the inner wall of the deodorizing cylinder (21).

4. A municipal waste treatment device according to claim 1, wherein a feed guide (11) is provided in said feed inlet (4), and the bottom end of said feed guide (11) extends to the top end opening of the deodorizing drum (21).

5. The municipal waste treatment apparatus according to claim 1, wherein the guide member (33) comprises a guide seat (331) and a guide hole (332), the guide hole (332) is longitudinally opened in the crushing seat (34), the guide seat (331) is slidably fitted in the guide hole (332) and the top end thereof is fixedly connected to the installation cavity (7), the bottom end of the guide seat (331) penetrates through the guide hole (332) and then is connected with the supporting plate (12), and the width of the supporting plate (12) is greater than that of the guide hole (332).

6. Urban refuse treatment plant according to claim 5, characterized in that said connection means (6) comprise a helical groove (61) and a connecting rod (62), said helical groove (61) being coaxially opened on the second connection shaft (23), one end of said connecting rod (62) being fixed to the crushing seat (34), the other end of said connecting rod (62) being slidingly fitted inside the helical groove (61).

7. The municipal waste treatment device according to claim 1, wherein a crushing cavity (13) is formed at the bottom of the mounting cavity (7), the bottom end of the lower crushing toothed plate (31) is hinged in the mounting cavity (7), the top end of the lower crushing toothed plate (31) extends into the crushing cavity (13), the distance between the top end of the opening of the crushing cavity (13) and the lower crushing toothed plate (31) is 1-7MM, a longitudinally telescopic extension spring (14) is arranged on the bottom surface of the crushing cavity (13), the bottom end of the extension spring (14) acts on the bottom surface of the crushing cavity (13), and the top end of the extension spring (14) acts on the top of the bottom surface of the lower crushing toothed plate (31).

8. The municipal waste treatment device according to claim 1, wherein the bottom surface of the installation cavity (7) is provided with a collection port (15), and the collection port (15) is located at the bottom end side of the lower crushing toothed plate (31).