CN221288216U - Particle compound fertilizer breaker - Google Patents

Abstract

The utility model belongs to the technical field of compound fertilizer production, and particularly relates to a particle compound fertilizer crushing device, which comprises: the crushing case, crushing case lower extreme intercommunication has the discharging case, the discharging case lateral wall is equipped with the discharge gate, still includes: the crushing mechanism is used for crushing the raw material particles; the screening mechanism is used for screening the crushed raw material particles; the feeding mechanism is used for re-inputting large-particle raw materials into the crushing box; wherein, crushing mechanism and screening mechanism locate the crushing incasement, and feed mechanism locates the lateral wall of crushing case. The large-particle raw materials screened out do not need to be manually collected and put into a crushing device for secondary crushing, and the labor cost is reduced.

Description

Particle compound fertilizer breaker

Technical Field

The utility model belongs to the technical field of compound fertilizer production, and particularly relates to a particle compound fertilizer crushing device.

Background

The compound fertilizer is a fertilizer containing two or more than two nutrient elements in nitrogen, phosphorus and potassium, has the advantages of high nutrient content, few minor ingredients, good physical properties and the like, and has very important effects on balanced fertilization, improving the fertilizer utilization rate and promoting the high and stable yield of crops.

The utility model discloses a raw material crushing device for fertilizer production, which discloses CN218308139U, and the device comprises a shell, wherein a first crushing roller and a second crushing roller are respectively arranged at the upper half part in the shell in a horizontal rotating manner, a screening plate is fixedly arranged at the left side, the right side and the lower side in the shell, the screening plate is positioned below the first crushing roller and the second crushing roller, a plurality of groups of sieve holes are uniformly formed in the screening plate, and a discharge hole is formed in the contact position between the output end of the screening plate and the shell.

In the above technical scheme, the equipment can screen the crushed raw material particles, but the large-particle raw materials screened out need to be collected manually and then put into a crushing device for secondary crushing, which is more troublesome.

Disclosure of utility model

The utility model aims at solving the technical problems, and provides the particle compound fertilizer crushing device, so that the screened large particle raw materials are not required to be manually collected and input into the crushing device for secondary crushing, and the labor cost is reduced.

In view of the above, the present utility model provides a particle compound fertilizer crushing apparatus, comprising: the crushing case, crushing case lower extreme intercommunication has the discharging case, the discharging case lateral wall is equipped with the discharge gate, its characterized in that still includes:

the crushing mechanism is used for crushing the raw material particles;

The screening mechanism is used for screening the crushed raw material particles;

the feeding mechanism is used for re-inputting large-particle raw materials into the crushing box;

Wherein, crushing mechanism and screening mechanism locate the crushing incasement, and feed mechanism locates the lateral wall of crushing case.

In this technical scheme, the staff pours into broken case with the raw materials granule, breaks the raw materials under broken mechanism's effect, sieves the raw materials granule through screening mechanism, and the small granule raw materials thinks out the workbin and drops, and the big granule raw materials falls feed mechanism, and feed mechanism is with big granule raw materials retransmission to broken case to the rethread broken mechanism carries out the secondary breakage, need not to throw into breaker through the manual work collection and carries out the secondary breakage, has reduced the human cost.

In the above technical solution, further, the crushing mechanism includes:

The first motor is horizontally arranged on the side wall of the crushing box;

One end of the first crushing roller is rotationally connected to the inner wall of the crushing box, and the other end of the first crushing roller penetrates through the inner wall of the crushing box and is rotationally connected with an output shaft of the first motor;

The main gear is sleeved and connected on the outer wall of the first crushing roller, and one end of the main gear is rotationally connected with the inner wall of the crushing box;

the two ends of the second crushing roller are rotatably connected to the inner wall of the crushing box;

The auxiliary gear is sleeved and connected on the outer wall of the second crushing roller, and one end of the auxiliary gear is rotationally connected with the inner wall of the crushing box of the box body;

wherein, the main gear is connected with the auxiliary gear in a meshed manner.

In this technical scheme, the raw materials enters into the crushing incasement from the feeder hopper, starts first motor, and first crushing roller of first motor drive rotates, under the cooperation that main gear and pinion meshing are connected, and the synchronous rotation of second crushing roller, and then smash fertilizer.

In the above technical solution, further, the screening mechanism includes:

The two positioning blocks are respectively provided with a spring at the upper ends, and a first screen is arranged at the upper ends of the springs, wherein the two positioning blocks are respectively arranged on the inclined opposite sides of the inner wall of the crushing box.

In this technical scheme, two locating pieces locate the oblique contralateral side of broken incasement wall respectively for first screen cloth slope is installed in the inside of broken case, and when the raw materials after the breakage falls on first screen cloth, under the effect of spring, has played the cushioning effect to the raw materials granule whereabouts first screen cloth, and the granule raw materials drops from the sieve mesh on the first screen cloth, and big granule raw materials rolls feed mechanism owing to inertia.

In the above technical scheme, further, first screen below is equipped with vibrations subassembly, vibrations subassembly includes:

The third motor is horizontally arranged on the outer wall of the crushing box;

One end of the second rotating rod is rotationally connected to the inner wall of the crushing box, and the other end of the second rotating rod penetrates through the inner wall of the crushing box and is rotationally connected with an output shaft of the third motor;

The convex plate is sleeved on the second rotating rod and rotates with the second rotating rod in the circumferential direction synchronously.

In this technical scheme, when first screen cloth screens the raw materials after the breakage, start the third motor for the screen cloth shakes, thereby filters fast, avoids the raw materials to pile up in the screen cloth top, makes the big granule raw materials roll down in the feed mechanism fast through the vibrations simultaneously, improves breaker's work efficiency.

In the above technical scheme, further, feed mechanism includes:

The feeding cylinder is provided with a second motor at the top end, the output shaft of the second motor is rotationally connected with a first rotating rod, and the other end of the first rotating rod is rotationally connected with the inner bottom of the feeding cylinder;

the outer wall of the dragon blade is connected to the outer wall of the first rotating rod;

Wherein, the material loading section of thick bamboo fixed connection is in the lateral wall of broken case.

In the above technical scheme, further, the feeding barrel and the crushing box are jointly provided with a first through hole and a second through hole, and the side of the second through hole, close to the crushing box, is provided with a conveying channel.

In this technical scheme, under the effect of first through-hole, large granule raw materials rolls from first screen cloth and falls into in the feed cylinder, starts the second motor, drives first dwang and rotates to band-pass flood dragon synchronous rotation, under the cooperation of the conveying channel of second through-hole and second through-hole intercommunication, throw into the crushing mechanism in the crushing case again with large granule raw materials and carry out the secondary crushing, and then improve fertilizer production quality.

In the above technical scheme, further, the crushing box upper end is equipped with the feeder hopper.

In this technical scheme, there is the feeder hopper through broken case upper end intercommunication, more conveniently drops into the raw materials to broken incasement portion.

In the above technical scheme, further, still be equipped with the second screen cloth in the discharging case, the inner wall in discharging case is connected to the second screen cloth.

In the above technical scheme, further, the second screen below is equipped with the collection box, leans on the outer end to be equipped with the handle, collection box sliding connection is in the outer wall of discharging case.

In this technical scheme, through the second screen cloth still further screen cloth to broken back raw materials, will not have the raw materials granule of shaping or the demand that the shape is inconsistent to fall from the screen cloth in collecting the box, collect the back of accomplishing, the staff will collect the box through the handle and slide and pull out the discharging case to will not have the raw materials granule of shaping or the demand that the shape is inconsistent to retrieve reuse, the raw materials granule that accords with the demand rolls from the screen cloth and falls to the discharge gate.

The beneficial effects of the utility model are as follows:

1. Large granule raw materials roll into in the feed cylinder from first screen cloth, start the second motor, drive the bull stick and rotate to band-pass dragon synchronous rotation, under the cooperation of the conveying channel of second through-hole and second through-hole intercommunication again, throw into crushing mechanism in the crushing case again large granule raw materials and carry out the secondary crushing, and then improve fertilizer production quality, need not throw into breaker through the manual work collection and carry out the secondary crushing, reduced the human cost.

2. Under the effect of first through-hole, large granule raw materials rolls from first screen cloth and falls into in the feed cylinder, starts the second motor, drives first dwang and rotates to band-pass dragon synchronous rotation, under the cooperation of the conveying channel of second through-hole and second through-hole intercommunication, throw into the crushing mechanism in the crushing case again with large granule raw materials and carry out the secondary crushing, and then improve fertilizer production quality.

3. When the first screen cloth screens the broken raw materials, start the third motor for the screen cloth shakes, thereby filters fast, avoids the raw materials to pile up in the screen cloth top, makes the big granule raw materials roll down in the feed mechanism fast through the vibrations simultaneously, improves breaker's work efficiency.

4. The crushed raw materials are further screened through the second screen, raw material particles which are not formed or have a non-conforming shape fall into the collecting box from the screen, after the collecting is completed, the collecting box is slid and pulled out of the discharging box by a worker through the handle, so that the raw material particles which are not formed or have a non-conforming shape are recycled, and the raw material particles which are conforming to the requirements roll down from the screen to the discharging hole.

Drawings

FIG. 1 is a schematic structural view of a crushing device for granular compound fertilizer according to the present utility model;

FIG. 2 is a cross-sectional view of a particulate composite fertilizer crushing device of the present utility model;

FIG. 3 is a schematic structural view of a crushing assembly of a particle compound fertilizer crushing device of the present utility model;

the label is shown in the figure as

1. A crushing box; 2. a feeding mechanism; 3. a discharging box; 4. a feed hopper; 5. a discharge port; 6. a crushing mechanism; 7. a vibration assembly; 8. a feeding cylinder; 9. a second motor; 10. a first rotating lever; 11. dragon leaves; 12. a first through hole; 13. a second through hole; 14. a conveying channel; 15. a positioning block; 16. a spring; 17. a first screen; 18. a third motor; 19. a second rotating rod; 20. a convex plate; 21. a second screen; 22. a collection box; 23. a handle; 24. a first motor; 25. a first crushing roller; 26. a second crushing roller; 27. a main gear; 28. and a pinion gear.

Detailed Description

The technical solutions of the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which are obtained by a person skilled in the art based on the embodiments of the present application, fall within the scope of protection of the present application.

In the description of the present application, it is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments in accordance with the present application. For ease of description, the dimensions of the various features shown in the drawings are not drawn to actual scale. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

It should be noted that the terms "first," "second," and the like in the description and in the claims are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type, and are not limited to the number of objects, such as the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

It should be noted that, in the description of the present application, the terms like "front, rear, upper, lower, left, right", "horizontal, vertical, horizontal", and "top, bottom", etc. generally refer to the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the present application and simplifying the description, and these orientation terms do not indicate and imply that the apparatus or elements referred to must have a specific orientation or be constructed and operated in a specific orientation, and thus should not be construed as limiting the scope of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

It should be noted that, in the present application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

Example 1:

As shown in fig. 1 to 3, the present embodiment provides a crushing device for a granular compound fertilizer, comprising:

Comprising the following steps: the crushing case 1, crushing case 1 lower extreme intercommunication has discharging case 3, discharging case 3 lateral wall is equipped with discharge gate 5, still includes: a crushing mechanism 6, wherein the crushing mechanism 6 is used for crushing raw material particles; the screening mechanism is used for screening the crushed raw material particles; the feeding mechanism 2 is used for re-inputting large-particle raw materials into the crushing box 1; wherein, crushing mechanism 6 and screening mechanism locate crushing case 1 in, and feed mechanism 2 locates the lateral wall of crushing case 1.

In this technical scheme, the staff pours into broken case 1 with the raw materials granule, breaks the raw materials under the effect of broken mechanism 6, sieves the raw materials granule through screening mechanism, and small granule raw materials thinks out workbin 3 and drops, and big granule raw materials falls feed mechanism 2, and feed mechanism 2 is with big granule raw materials retransmission to broken case 1 to rethread broken mechanism 6 carries out the secondary breakage, need not collect through the manual work and throw into breaker and carry out the secondary breakage, has reduced the human cost.

In the above technical scheme, further, the upper end of the crushing box 1 is provided with a feed hopper 4.

In this technical scheme, there is feeder hopper 4 through broken case 1 upper end intercommunication, more conveniently drops into the raw materials to broken case 1 inside.

Example 2:

As shown in fig. 1 to 3, the present embodiment provides a crushing device for a granular compound fertilizer, which has the following technical features in addition to the technical scheme of the above embodiment.

The crushing mechanism 6 includes: the first motor 24 is horizontally arranged on the side wall of the crushing box 1; the first crushing roller 25, one end of the first crushing roller 25 is rotatably connected to the inner wall of the crushing box 1, and the other end of the first crushing roller passes through the inner wall of the crushing box 1 and is rotatably connected with the output shaft of the first motor 24; the main gear 27 is sleeved and connected on the outer wall of the first crushing roller 25, and one end of the main gear 27 is rotatably connected with the inner wall of the crushing box 1; the two ends of the second crushing roller 26 are rotatably connected to the inner wall of the crushing box 1; the pinion gear 28 is sleeved and connected on the outer wall of the second crushing roller 26, and one end of the pinion gear 28 is rotationally connected with the inner wall of the box body crushing box 1; wherein the main gear 27 is in meshed connection with the auxiliary gear 28.

In this technical scheme, the raw materials enters into crushing case 1 from feeder hopper 4, starts first motor 24, and first motor 24 drives first crushing roller 25 and rotates, and under the cooperation of main gear 27 and pinion 28 meshing connection, second crushing roller 26 synchronous rotation, and then carries out the breakage to the fertilizer.

In the above technical solution, further, the screening mechanism includes: the two positioning blocks 15, the upper ends of the positioning blocks 15 are respectively provided with a spring 16, the upper ends of the springs 16 are provided with a first screen 17, and the two positioning blocks 15 are respectively arranged on the oblique opposite sides of the inner wall of the crushing box 1.

In this technical scheme, two locating pieces 15 locate the oblique contralateral side of broken case 1 inner wall respectively for first screen cloth 17 slope is installed in the inside of broken case 1, and when the raw materials after the breakage falls on first screen cloth 17, under the effect of spring 16, has played the cushioning effect to the raw materials granule whereabouts on first screen cloth 17, and the sieve mesh on the small-size raw materials follow first screen cloth 17 drops, and the big-size raw materials rolls to feed mechanism 2 owing to inertia.

In the above technical solution, further, a vibration assembly 7 is disposed below the first screen 17, and the vibration assembly 7 includes: a third motor 18, wherein the third motor 18 is horizontally arranged on the outer wall of the crushing box 1; one end of the second rotating rod 19 is rotatably connected to the inner wall of the crushing box 1, and the other end of the second rotating rod 19 penetrates through the inner wall of the crushing box 1 and is rotatably connected with an output shaft of the third motor 18; the convex plate 20 is sleeved on the second rotating rod 19, and the convex plate 20 rotates in the circumferential direction synchronously with the second rotating rod 19.

In this technical scheme, when first screen cloth 17 screens the raw materials after the breakage, start third motor 18 for the screen cloth shakes, thereby filters fast, avoids the raw materials to pile up in the screen cloth top, makes the big granule raw materials roll down in feed mechanism 2 fast through the vibrations simultaneously, improves breaker's work efficiency.

As shown in fig. 1 to 3, this embodiment provides a crushing device for a granular compound fertilizer, which has the following technical features in addition to the technical scheme of the above embodiment:

The feeding mechanism 2 comprises: the feeding cylinder 8 is provided with a second motor 9 at the top end, the output shaft of the second motor 9 is rotationally connected with a first rotating rod 10, and the other end of the first rotating rod 10 is rotationally connected with the inner bottom of the feeding cylinder 8; the outer wall of the dragon blade 11 is connected with the outer wall of the first rotating rod 10; wherein, the feeding cylinder 8 is fixedly connected with the side wall of the crushing box 1.

In the above technical solution, further, the feeding cylinder 8 and the crushing box 1 are provided with a first through hole 12 and a second through hole 13 together, and the second through hole 13 is provided with a conveying channel 14 near the crushing box 1 side.

In this technical scheme, under the effect of first through-hole 12, large granule raw materials rolls from first screen cloth 17 and falls into in the feed cylinder 8, starts second motor 9, drives first bull stick 10 and rotates to band-pass dragon synchronous rotation, under the cooperation of the conveying channel 14 of second through-hole 13 and 13 intercommunication, throw into the crushing mechanism 6 in the crushing case 1 again with large granule raw materials and carry out the secondary crushing, and then improve fertilizer production quality.

In the above technical scheme, further, a second screen 21 is further disposed in the discharge tank 3, and the second screen 21 is connected to an inner wall of the discharge tank 3.

In the above technical solution, further, a collecting box 22 is disposed below the second screen 21, a handle 23 is disposed near the outer end, and the collecting box 22 is slidably connected to the outer wall of the discharge bin 3.

In this technical scheme, through the screening of second screen cloth 21 still further to broken back raw materials, will not have the raw materials granule of shaping or the demand that the shape is inconsistent to fall from the screen cloth in collecting box 22, collect the back of accomplishing, the staff will collect box 22 slip through handle 23 and pull out discharging case 3 to will not have the raw materials granule of shaping or the demand that the shape is inconsistent to retrieve reuse, the raw materials granule that accords with the demand rolls from the screen cloth and falls to discharge gate 5.

The working principle of the utility model is as follows:

After the staff pours the raw materials into feeder hopper 4, the raw materials gets into crushing case 1, start first motor 24, first motor 24 drive first crushing roller 25 rotates, under the cooperation of main gear 27 and pinion 28 meshing connection, second crushing roller 26 rotates in step, and then carry out crushing to the fertilizer, when the raw materials after the breakage drops on first screen cloth 17, under the effect of spring 16, the effect of buffering has been played to the raw materials granule drop first screen cloth 17, start third motor 18, make the screen cloth vibrate, thereby quick screening, avoid the raw materials to pile up in the screen cloth top, make large granule raw materials roll fast in feed mechanism 2 through the vibrations simultaneously, large granule raw materials roll in feed cylinder 8 from first screen cloth 17, start second motor 9, drive first bull stick 10 rotation, thereby the band-pass auger rotates in step, again carry out secondary crushing to the crushing mechanism 6 in the crushing case 1 with large granule raw materials under the cooperation of the conveying channel 14 of second through 13 and second through the communicating through-hole 13, further carry out the shaping to the filter cloth 21 in the filter cloth case, the demand is not carried out to the shaping to the granule is not carried out to the filter cloth after the filter cloth is followed to the filter cloth is finished, or the filter cloth is not has been rolled out the shaping to the shape is not to the required to the filter cloth is pulled out to the shaping is finished, the material is not has been met or is not slipped to the filter the shape is finished to the material is finished from the filter case 3 is finished to the shaping material is finished to the shape the filter material is finished.

The embodiments of the present application have been described above with reference to the accompanying drawings, in which the embodiments of the present application and features of the embodiments may be combined with each other without conflict, the present application is not limited to the above-described embodiments, which are merely illustrative, not restrictive, of the present application, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are protected by the present application.

Claims (9)

1. A granular compound fertilizer crushing device, comprising: broken case (1), broken case (1) lower extreme intercommunication has discharging case (3), discharging case (3) lateral wall is equipped with discharge gate (5), its characterized in that still includes:

A crushing mechanism (6), wherein the crushing mechanism (6) is used for crushing raw material particles;

The screening mechanism is used for screening the crushed raw material particles;

the feeding mechanism (2) is used for re-inputting large-particle raw materials into the crushing box (1);

Wherein, crushing mechanism (6) and screening mechanism locate in crushing case (1), and the lateral wall of crushing case (1) is located to feed mechanism (2).

2. A particulate composite fertiliser crushing apparatus as claimed in claim 1, wherein the crushing mechanism (6) comprises:

the first motor (24) is horizontally arranged on the side wall of the crushing box (1);

One end of the first crushing roller (25) is rotationally connected to the inner wall of the crushing box (1), and the other end of the first crushing roller (25) penetrates through the inner wall of the crushing box (1) and is rotationally connected with an output shaft of the first motor (24);

The main gear (27) is sleeved and connected on the outer wall of the first crushing roller (25), and one end of the main gear (27) is rotationally connected with the inner wall of the crushing box (1);

The two ends of the second crushing roller (26) are rotatably connected to the inner wall of the crushing box (1);

The pinion (28) is sleeved and connected on the outer wall of the second crushing roller (26), and one end of the pinion is rotatably connected with the inner wall of the box body crushing box (1);

Wherein the main gear (27) is in meshed connection with the auxiliary gear (28).

3. A particulate composite fertiliser breaker according to claim 1 wherein the screening means comprises:

The two positioning blocks (15), the upper ends of the positioning blocks (15) are respectively provided with a spring (16), the upper ends of the springs (16) are provided with a first screen (17), and the two positioning blocks (15) are respectively arranged on the inclined opposite sides of the inner wall of the crushing box (1).

4. A particulate compound fertilizer crushing device as claimed in claim 3, characterized in that a vibrating assembly (7) is arranged below the first screen (17), the vibrating assembly (7) comprising:

the third motor (18) is horizontally arranged on the outer wall of the crushing box (1);

One end of the second rotating rod (19) is rotationally connected to the inner wall of the crushing box (1), and the other end of the second rotating rod (19) penetrates through the inner wall of the crushing box (1) and is rotationally connected with an output shaft of the third motor (18);

The convex plate (20) is sleeved on the second rotating rod (19), and the convex plate (20) and the second rotating rod (19) rotate circumferentially synchronously.

5. A particulate composite fertiliser breaker according to claim 1, wherein the loading mechanism (2) comprises:

The feeding device comprises a feeding cylinder (8), wherein a second motor (9) is arranged at the top end of the feeding cylinder (8), a first rotating rod (10) is rotatably connected with an output shaft of the second motor (9), and the other end of the first rotating rod (10) is rotatably connected with the inner bottom of the feeding cylinder (8);

the flood dragon blade (11), flood dragon blade (11) outer wall connect in the bull stick outer wall;

wherein, the feeding cylinder (8) is fixedly connected with the side wall of the crushing box (1).

6. The particle compound fertilizer crushing device according to claim 5, wherein the feeding barrel (8) and the crushing box (1) are jointly provided with a first through hole (12) and a second through hole (13), and the second through hole (13) is provided with a conveying channel (14) close to the side of the crushing box (1).

7. A particulate compound fertilizer crushing device according to claim 1, characterized in that the crushing box (1) is provided with a feed hopper (4) at its upper end.

8. A granular compound fertilizer breaking device as claimed in claim 1, characterized in that a second screen (21) is further arranged in the discharge box (3), said second screen (21) being connected to the inner wall of the discharge box (3).

9. The particle compound fertilizer crushing device according to claim 8, wherein a collecting box (22) is arranged below the second screen (21), a handle (23) is arranged at the outer end, and the collecting box (22) is slidably connected to the outer wall of the discharging box (3).