CN112757534A

CN112757534A - Clout feed back device is used in non-woven fabrics production

Info

Publication number: CN112757534A
Application number: CN202011612620.2A
Authority: CN
Inventors: 尹琳珺
Original assignee: Tianmen Geyun Non Woven Fabric Co ltd
Current assignee: Tianmen Geyun Non Woven Fabric Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-05-07

Abstract

The invention discloses a residual material returning device for non-woven fabric production, which comprises a box body, wherein a feeding box is fixed at the top of the box body, a connecting pipe is fixed between the bottom of the feeding box and the box body, a crushing roller is rotatably arranged in the box body, and one side of the crushing roller is rotatably provided with a tearing mechanism, the side wall of the crushing roller is provided with a plurality of symmetrically distributed annular grooves, a plurality of crushing knives which are distributed in a staggered way are fixed in the annular groove, the crushing knives are shaped like a Chinese character 'ren', an arc-shaped edge is arranged on one side of each crushing knife, tear the mechanism and include the screw rod, the screw thread has cup jointed the fixed roll on the screw rod, and the fixed roll is close to the lateral wall that smashes the roller and is fixed with the first tooth that smashes that the equidistance was crisscross to be distributed, smashes the second that is fixed with the equidistance and is crisscross to be distributed on the roller circumference outer wall and smashes the tooth, and fixed roll one side is equipped with guiding mechanism, rotate on the relative both sides inner wall of box and install guide mechanism. The invention can improve the crushing efficiency and the completeness and is convenient to use.

Description

Clout feed back device is used in non-woven fabrics production

Technical Field

The invention relates to the technical field of non-woven fabric production excess material recovery equipment, in particular to an excess material return device for non-woven fabric production.

Background

The melt-blown non-woven fabric is prepared by drafting polymer melt trickle extruded from spinneret orifices by high-speed hot air flow, so that superfine fibers are formed and collected on a condensing screen curtain or a roller, wherein the polypropylene superfine fibers are randomly distributed and adhered together and are bonded to form the melt-blown non-woven fabric, the fiber diameter can reach 1-5 micrometers, the melt-blown non-woven fabric is white, flat, soft, provided with a plurality of gaps, fluffy in structure and good in wrinkle resistance, and the superfine fibers with unique capillary structures increase the number and the surface area of the fibers in unit area, so that the melt-blown non-woven fabric has good filtering property, shielding property, heat insulating property and oil absorbing property, and can be used in the fields of air, liquid filtering materials, isolating materials, absorbing materials, mask materials, heat-keeping materials, oil absorbing materials, wiping fabrics and the like.

Melt blown non-woven fabrics mainly uses polypropylene as the main raw materials, can produce a lot of wastes material in the melt blown non-woven fabrics raw materials course of working, current non-woven fabrics feed back device is when using, cuts through two crushing axles mostly and smashes, then directly derives the waste material after smashing, add recycle again, but this kind of mode is not enough to the crushing effect of non-woven fabrics to need the workman to add repeatedly many times and smash and just can reach the recovery demand, and then increased work load.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a waste material returning device for non-woven fabric production.

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

the utility model provides a clout feed back device for non-woven fabrics production, includes the box, the box top is fixed with the pan feeding case, is fixed with the connecting pipe between pan feeding bottom of the case portion and the box, the crushing roller is installed to the box internal rotation, and smashes roller one side and rotate and install and tear the mechanism, smash the roller lateral wall and open the ring channel that has a plurality of symmetric distributions, and the ring channel internal fixation has a plurality of crisscross crushing sword that distributes, smashes the sword and is "people" style of calligraphy, and smashes sword one side and open and have curved sword limit, it includes the screw rod to tear the mechanism, and the screw thread has cup jointed the fixed roll on the screw rod, and the lateral wall that the fixed roll is close to the crushing roller is fixed with the first crushing tooth that the equidistance is crisscross to be distributed, smashes the tooth of the second that is fixed with the equidistance criss.

Further, a feeding hopper is fixedly inserted into the top of the feeding box, supporting plates are fixed to two sides of the top of the feeding box, a top plate is fixed to the top of each supporting plate, a first motor is fixed to the top of each top plate, a rotating shaft is fixed to the bottom end of an output shaft of each first motor, symmetrically distributed conical cylinders are fixed to the bottom ends of the rotating shafts, and fin plates are fixed to the side walls of the conical cylinders.

Furthermore, a second motor is connected to one end of the crushing roller in a transmission mode, and a third motor is connected to one end of the fixing roller in a transmission mode.

Furthermore, the guide mechanism comprises a fixed plate, two fixed rods are fixed on the side wall of the fixed plate, a guide block is fixed at one end, far away from the fixed plate, of each fixed rod, and a guide groove in sliding fit with the guide block is formed in the circumferential outer wall of the fixed roller.

Further, the guide mechanism includes the stock guide, and the articulated hinge that is fixed with between stock guide top and the box inner wall, stock guide bottom are fixed with vibration mechanism, and vibration mechanism is fixed with the push rod motor including the installation piece on the installation piece, and the output of push rod motor is fixed with the connecting plate, is fixed with the spring between connecting plate top and the stock guide, be connected between installation piece lateral wall and the box inner wall, and installation piece top one side is fixed with the guide bar, and the lantern ring has been cup jointed in the activity on the guide bar, lantern ring one side and connecting plate fixed connection.

Furthermore, a first material distributing plate and a second material distributing plate which are distributed equidistantly are fixed in the box body, and the inclination direction of the second material distributing plate is opposite to the inclination direction of the first material distributing plate.

Further, the fixed air-blast mechanism that pegs graft of box left side outer wall has the fan, and the air-blast mechanism includes the tuber pipe, and the air inlet end of tuber pipe is fixed with the fan, and the air-out end of tuber pipe is fixed with a plurality of inclination ascending aviation baffles in the slant, and the bottom half is fixed with the stripper, and box right side outer wall bottom is close to the articulated discharge door that is fixed with of stripper extreme lower position department.

Further, a supporting table is fixed on the outer wall of the right side of the box body, a guide pump is fixed on the top of the supporting table, an inlet pipe is fixed at the inlet end of the guide pump, a guide hopper is fixed at one end, away from the guide pump, of the inlet pipe, the guide hopper is fixedly inserted into the outer wall of the right side of the box body, and a discharge pipe is fixed at the outlet end of the guide pump.

Furthermore, a baffle is fixed on one side of the inner wall of the top of the box body, and bristles attached to the outer wall of the crushing roller are fixed at the bottom end of the baffle.

The invention has the beneficial effects that:

1. the waste cloth in the feeding box can be rotated under the drive of a first motor and a rotating shaft through the arrangement of the conical cylinder, the cloth in the material guiding platform is stirred by matching with the rotating fin plate, the cloth can uniformly enter a crushing mechanism from a connecting pipe, a crushing roller is driven by a second motor to rotate at a constant speed, a second crushing tooth and a crushing knife can be matched with a first crushing tooth on a fixed roller to tear and crush the cloth, the contact area of the herringbone crushing knife in an annular groove can be increased in the rotating process, the cutting strength and the cutting completeness of the herringbone crushing knife are further improved, in addition, a screw can be driven by a third motor to match with the guide limiting effect of a guide block to drive the fixed roller to move back and forth, the tearing force direction of the cloth is changed, the efficiency and the completeness of the crushing work are further improved, an inclined plate and a baffle plate can block the cloth, the brush hair of baffle bottom can carry out the cleaning work to smashing the roller surface, avoids the piece adhesion in the ring channel, carries out the cleaning work to smashing the roller surface.

2. Can carry out guide work to smashing after through setting up of stock guide, the stock guide that the output of push rod motor drove the spring top and connect carries out reciprocal rotation work, and the downstream is concentrated to the cloth of being convenient for to fall on the stock guide, and the lantern ring can form the spacing cooperation of direction with the direction pole, improves the stability of stock guide vibration guide work, can also improve the joint strength between the structure.

3. Can increase the stroke of cloth downstream through setting up of first minute flitch and second minute flitch, make the cloth falling speed after smashing slow down, wherein the fan in the tuber pipe sucks external air to the box in, the aviation baffle separates into stranded slant ascending air current with it, the tiny fibre waste material of first minute flitch clearance department carries out the blowing work, the first flitch of slope can carry out the water conservancy diversion effect to the fibre waste material, the separation effect of waste material can be realized to cooperation second minute flitch, blow tiny fibre waste material to the guide fill, the guide pump is concentrated externally with the fibre waste material suction of blowing to the guide fill, be convenient for separate it, avoid causing the pollution of fibre dust.

Drawings

FIG. 1 is a schematic cross-sectional view of a waste material recycling device for non-woven fabric production according to the present invention;

FIG. 2 is a schematic structural diagram of a pulverizing mechanism of the excess material returning device for non-woven fabric production according to the present invention;

FIG. 3 is a schematic view of a partial structure of a pulverizing roller of the excess material returning device for producing non-woven fabrics according to the present invention;

fig. 4 is a schematic view of a partial structure of a material guiding mechanism of the excess material returning device for producing non-woven fabrics according to the present invention;

fig. 5 is a schematic structural diagram of a flipping mechanism of the excess material returning device for producing non-woven fabrics provided by the invention.

In the figure: 1 box body, 2 crushing rollers, 3 hinge shafts, 4 guide plates, 5 fans, 6 air pipes, 7 air deflectors, 8 discharge plates, 9 first material dividing plates, 10 second material dividing plates, 11 material inlet boxes, 12 material inlet tables, 13 connecting pipes, 14 supporting plates, 15 top plates, 16 rotating shafts, 17 first motors, 18 material inlet hoppers, 19 second motors, 20 material guide hoppers, 21 material outlet pipes, 22 material guide pumps, 23 material inlet pipes, 24 supporting tables, 25 discharge doors, 26 screw rods, 27 fixing rollers, 28 inclined plates, 29 first crushing teeth, 30 fixing plates, 31 fixing rods, 32 guide blocks, 33 baffles, 34 bristles, 35 second crushing teeth, 36 annular grooves, 37 crushing knives, 38 mounting blocks, 39 guide rods, 40 lantern rings, 41 springs, 42 fin connecting plates, 43 push rod motors, 44 conical cylinders and 45 plates.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

Referring to fig. 1-5, a remainder feed back device for non-woven fabric production comprises a box body 1, a feed box 11 is fixed on the top of the box body 1, a connecting pipe 13 is fixed between the bottom of the feed box 11 and the box body 1, a crushing roller 2 is rotatably installed in the box body 1, a tearing mechanism is rotatably installed on one side of the crushing roller 2, a plurality of annular grooves 36 which are symmetrically distributed are formed in the side wall of the crushing roller 2, a plurality of crushing knives 37 which are distributed in a staggered manner are fixed in the annular grooves 36, the crushing knives 37 are in a herringbone shape, an arc-shaped edge is formed on one side of each crushing knife 37, the tearing mechanism comprises a screw 26, a fixed roller 27 is sleeved on the screw 26 in a threaded manner, first crushing teeth 29 which are distributed in a staggered manner at equal intervals are fixed on the side wall of the fixed roller 27, second crushing teeth 35 which are distributed in a staggered manner at equal intervals are fixed on the circumferential outer wall of the crushing roller 2, tooth 35 is smashed to the second and smashes sword 37 and can cooperate the first tooth 29 of smashing on the fixed roll 27 to tear shredding work to the cloth, wherein the shredding sword 37 of "chevron shape" in the ring channel 36 can rotate the area of contact of process increase to the cloth, and then improve its cutting strength and cutting completeness, screw rod 26 can cooperate the direction limiting displacement drive fixed roll 27 reciprocating motion of guide block 32 under the drive of third motor in addition, make the dynamics direction of tearing to the cloth change, further improve shredding work's efficiency and completeness, fixed roll 27 one side is equipped with guiding mechanism, it installs guide mechanism to rotate on the relative both sides inner wall of box 1.

Wherein, it has into hopper 18 to peg graft fixedly at pan feeding box 11 top, and pan feeding box 11 top both sides are fixed with backup pad 14, backup pad 14 top is fixed with roof 15, roof 15 top is fixed with first motor 17, the output shaft bottom mounting of first motor 17 has

pivot

16, 16 bottom mountings of pivot have symmetric distribution's toper cylinder 44, toper cylinder 44 lateral wall is fixed with fin 45, toper cylinder 44 can rotate the useless surplus cloth in pan feeding box 11 under the drive of first motor 17 and pivot 16, cooperation pivoted fin 45 stirs the cloth in guide platform 12, be convenient for the cloth even get into rubbing crusher from connecting pipe 13 in.

Wherein, the second motor 19 is connected with the transmission of crushing roller 2 one end, and the third motor is connected with the transmission of fixed roll 27 one end.

The guide mechanism comprises a fixing plate 30, two fixing rods 31 are fixed on the side wall of the fixing plate 30, guide blocks 32 are fixed at one ends, far away from the fixing plate 30, of the fixing rods 31, and guide grooves in sliding fit with the guide blocks 32 are formed in the circumferential outer wall of the fixing roller 27.

Wherein, the material guiding mechanism comprises a material guiding plate 4, a hinge shaft 3 is hinged and fixed between the top end of the material guiding plate 4 and the inner wall of the box body 1, a vibration mechanism is fixed at the bottom of the material guiding plate 4, the vibration mechanism comprises an installation block 38, a push rod motor 43 is fixed on the installation block 38, a connecting plate 42 is fixed at the output end of the push rod motor 43, a spring 41 is fixed between the top of the connecting plate 42 and the material guiding plate 4, the side wall of the installation block 38 is connected with the inner wall of the box body 1, a guide rod 39 is fixed at one side of the top of the installation block 38, a lantern ring 40 is movably sleeved on the guide rod 39, one side of the lantern ring 40 is fixedly connected with the connecting plate 42, the material guiding plate 4 can guide crushed materials, the output end of the push rod motor 43 drives the material guiding plate 4 connected with the top end of the spring 41 to perform reciprocating rotation work, which is, the stability of the vibration guide work of the guide plate 4 is improved, and the connection strength between the structures can also be improved.

Wherein, the box 1 internal fixation has first minute flitch 9 and the second minute flitch 10 that the equidistance distributes, and the incline direction of second minute flitch 10 is opposite with the incline direction of first minute flitch 9, and the setting of first minute flitch 9 and second minute flitch 10 can increase the stroke of cloth downstream for the cloth falling speed after smashing slows down.

Wherein, the fixed blast air mechanism that pegs graft of 1 left side outer wall of box, the blast air mechanism includes tuber pipe 6, the air inlet end of tuber pipe 6 is fixed with fan 5, the air-out end of tuber pipe 6 is fixed with a plurality of inclination ascending aviation baffles 7 in the slant, 1 bottom of box is fixed with stripper 8, box 1 right side outer wall bottom is close to the articulated discharge door 25 that is fixed with of 8 lowest position departments of stripper, fan 5 in the tuber pipe 6 pumps outside air to the box 1 in, aviation baffle 7 separates into the ascending air current in the multistrand slant with it, the tiny fibre waste material of 9 clearances of first flitch department blows the work, the first flitch 9 of slope can carry out the water conservancy diversion effect to the fibre waste material, cooperation second flitch 10 can realize the separating action of waste material, blow tiny fibre waste material to guide hopper 20.

Wherein, 1 right side outer wall of box is fixed with a supporting bench 24, a supporting bench 24 top is fixed with guide pump 22, the inlet end of guide pump 22 is fixed with inlet pipe 23, the one end that guide pump 22 was kept away from to inlet pipe 23 is fixed with guide hopper 20, guide hopper 20 is fixed pegged graft on 1 right side outer wall of box, the fixed discharging pipe 21 that has of the outlet end of guide pump 22, guide pump 22 will blow to the fibre waste material suction of guide hopper 20 and concentrate externally, be convenient for separate it, avoid causing the pollution of fibre dust.

Wherein, 1 top inner wall one side of box is fixed with baffle 33, and the baffle 33 bottom mounting have with the brush hair 34 of smashing the laminating of 2 outer walls of roller, the brush hair 34 of baffle 33 bottom can carry out the cleaning work to smashing the roller 2 surface, avoids the piece adhesion to carry out the cleaning work in ring channel 36 to smashing the roller 2 surface.

The working principle of the embodiment is as follows: the arrangement of the tapered cylinder 44 can rotate the waste cloth in the feeding box 11 under the driving of the first motor 17 and the rotating shaft 16, the fin 45 rotating in cooperation can stir the cloth in the material guiding table 12, so that the cloth can uniformly enter the crushing mechanism from the connecting pipe 13, wherein the crushing roller 2 rotates at a uniform speed under the driving of the second motor 19, the second crushing teeth 35 and the crushing knives 37 can cooperate with the first crushing teeth 29 on the fixed roller 27 to tear and crush the cloth, wherein the herringbone crushing knives 37 in the annular groove 36 can increase the contact area to the cloth in the rotating process, so as to improve the cutting strength and the cutting completeness, in addition, the screw 26 can cooperate with the guiding limit action of the guide block 32 to drive the fixed roller 27 to move back and forth under the driving of the third motor, so that the tearing force direction of the cloth can be changed, and the efficiency and completeness of the crushing work can be further improved, the inclined plate 28 and the baffle 33 can stop and limit the cloth, the bristles 34 at the bottom of the baffle 33 can clean the surface of the crushing roller 2 to prevent chips from adhering in the annular groove 36 and clean the surface of the crushing roller 2, the guide plate 4 can guide the crushed cloth, the output end of the push rod motor 43 drives the guide plate 4 connected with the top end of the spring 41 to perform reciprocating rotation work, so that the cloth falling on the guide plate 4 moves downward in a concentrated manner, the lantern ring 40 can form guiding limit fit with the guide rod 39 to improve the stability of the vibration guide work of the guide plate 4 and improve the connection strength between structures, the arrangement of the first material distributing plate 9 and the second material distributing plate 10 can increase the downward movement stroke of the cloth to slow down the falling speed of the crushed cloth, wherein the fan 5 in the air pipe 6 sucks the outside air into the box body 1, the aviation baffle 7 is separated into the ascending air current of stranded slant with it, the tiny fibre waste material of 9 clearances of first minute flitch is blown the work, the first minute flitch 9 of slope can carry out the water conservancy diversion effect to the fibre waste material, the cooperation second divides flitch 10 can realize the separating action of waste material, blow tiny fibre waste material to guide hopper 20, guide pump 22 will blow the fibre waste material suction of guide hopper 20 and concentrate externally, be convenient for separate it, avoid causing the pollution of fibre dust.

In the description of this patent, it is to be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "other end," "upper," "one side," "top," "inner," "front," "center," "two ends," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the patent and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In this patent, unless expressly stated or limited otherwise, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate, or they may be connected internally or in an interactive relationship with each other, and unless otherwise specifically limited, the specific meaning of the above terms in this patent will be understood by those skilled in the art according to the specific circumstances.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a clout feed back device for non-woven fabrics production, includes box (1), box (1) top is fixed with pan feeding case (11), is fixed with connecting pipe (13) between pan feeding case (11) bottom and box (1), crushing roller (2) is installed to the box (1) internal rotation, and crushing roller (2) one side is rotated and is installed and tear the mechanism, its characterized in that, crushing roller (2) lateral wall is opened has a plurality of symmetric distribution's ring channel (36), and the ring channel (36) internal fixation has a plurality of crisscross distribution's crushing sword (37), and crushing sword (37) are "people" style of calligraphy, and open curved sword (37) one side, tear the mechanism and include screw rod (26), screw rod (26) go up the screw thread and cup jointed fixed roller (27), fixed roller (27) are close to the lateral wall that smashes roller (2) and are fixed with the first crushing tooth (29) of crisscross distribution equidistance, second crushing teeth (35) which are distributed equidistantly and in a staggered mode are fixed on the outer wall of the circumference of the crushing roller (2), a guide mechanism is arranged on one side of the fixing roller (27), and material guide mechanisms are rotatably mounted on the inner walls of two opposite sides of the box body (1).

2. The excess material returning device for non-woven fabric production according to claim 1, wherein a feeding hopper (18) is fixedly inserted into the top of the feeding box (11), supporting plates (14) are fixed to two sides of the top end of the feeding box (11), a top plate (15) is fixed to the top end of each supporting plate (14), a first motor (17) is fixed to the top of each top plate (15), a rotating shaft (16) is fixed to the bottom end of an output shaft of each first motor (17), symmetrically distributed conical cylinders (44) are fixed to the bottom end of each rotating shaft (16), and fin plates (45) are fixed to the side walls of the conical cylinders (44).

3. The waste material returning device for non-woven fabric production according to claim 1, wherein one end of the crushing roller (2) is in transmission connection with a second motor (19), and one end of the fixing roller (27) is in transmission connection with a third motor.

4. The waste material returning device for non-woven fabric production as claimed in claim 1, wherein the guiding mechanism comprises a fixing plate (30), two fixing rods (31) are fixed on the side wall of the fixing plate (30), a guiding block (32) is fixed on one end of each fixing rod (31) far away from the fixing plate (30), and a guiding groove which forms a sliding fit with the guiding block (32) is formed in the circumferential outer wall of the fixing roller (27).

5. The excess material feeding back device for non-woven fabric production according to claim 1, wherein the material guiding mechanism comprises a material guiding plate (4), a hinge shaft (3) is hinged and fixed between the top end of the material guiding plate (4) and the inner wall of the box body (1), a vibrating mechanism is fixed at the bottom of the material guiding plate (4), the vibrating mechanism comprises a mounting block (38), a push rod motor (43) is fixed on the mounting block (38), a connecting plate (42) is fixed at the output end of the push rod motor (43), a spring (41) is fixed between the top of the connecting plate (42) and the material guiding plate (4), the side wall of the mounting block (38) is connected with the inner wall of the box body (1), a guide rod (39) is fixed on one side of the top of the mounting block (38), a lantern ring (40) is movably sleeved on the guide rod (39), and one side of the lantern ring (40) is fixedly connected.

6. The waste material returning device for non-woven fabric production according to claim 1, wherein a first material distributing plate (9) and a second material distributing plate (10) are fixed in the box body (1) and are distributed equidistantly, and the inclination direction of the second material distributing plate (10) is opposite to that of the first material distributing plate (9).

7. The excess material returning device for non-woven fabric production according to claim 1, wherein a blowing mechanism is fixedly inserted into the outer wall of the left side of the box body (1), the blowing mechanism comprises an air pipe (6), a fan (5) is fixedly arranged at the air inlet end of the air pipe (6), a plurality of air deflectors (7) with inclined angles upwards are fixedly arranged at the air outlet end of the air pipe (6), a discharging plate (8) is fixedly arranged at the bottom of the box body (1), and a discharging door (25) is hinged and fixed at the position, close to the lowest position of the discharging plate (8), of the bottom end of the outer wall of the right side of the box body (.

8. The excess material feeding back device for non-woven fabric production according to claim 1, wherein a supporting table (24) is fixed on the outer wall of the right side of the box body (1), a guide pump (22) is fixed on the top of the supporting table (24), a feeding pipe (23) is fixed at the air inlet end of the guide pump (22), a guide hopper (20) is fixed at one end, away from the guide pump (22), of the feeding pipe (23), the guide hopper (20) is fixedly inserted on the outer wall of the right side of the box body (1), and a discharging pipe (21) is fixed at the air outlet end of the guide pump (22).

9. The excess material feeding back device for non-woven fabric production as claimed in claim 1, wherein a baffle (33) is fixed on one side of the inner wall of the top of the box body (1), and bristles (34) attached to the outer wall of the crushing roller (2) are fixed at the bottom end of the baffle (33).