CN112090539A

CN112090539A - Reducing mechanism is used in textile raw materials production and processing

Info

Publication number: CN112090539A
Application number: CN202010920246.6A
Authority: CN
Inventors: 姚冬; 倪锋
Original assignee: Huzhou Tingchuang Technology Brokerage Co ltd
Current assignee: Huzhou Tingchuang Technology Brokerage Co ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2020-12-18

Abstract

The invention relates to the technical field of textile processing equipment and discloses a crushing device for production and processing of textile raw materials. A crushing device for producing and processing textile raw materials comprises a crushing device, wherein the crushing device is fixedly arranged at the top of a box body, an inclined plate is fixedly arranged at the upper part of an inner cavity of the box body, a filtering device is arranged in the box body, and one side of the filtering device is communicated with a feed back device; set up filter equipment at the middle part of box, and the raw materials on filter screen surface can not pile up the jam, has guaranteed filter effect and filtration efficiency. The raw materials which are not completely crushed are guided into the feed back device by the material guide pipe, and are guided back to the inside of the crushing device by the feed back device for secondary crushing, so that the crushing efficiency is improved, the subsequent processing operation can be rapidly carried out, and the production time and the labor cost are saved.

Description

Reducing mechanism is used in textile raw materials production and processing

Technical Field

The invention relates to the technical field of textile processing equipment, in particular to a crushing device for production and processing of textile raw materials.

Background

Textile raw materials is on the original or through the artificial plant of cultivating in the nature, the textile fiber who directly gains on the animal of artificial feeding, is textile industry's important material source, and textile raw materials need smash it before the use, and current reducing mechanism when carrying out the smashing, and the easy adhesion of raw materials is on the surface of grinder, and difficult the clearance just influences crushing effect, leads to the raw materials to smash thoroughly, influences the subsequent processing of raw materials and uses, increases manufacturing cost.

Disclosure of Invention

The invention aims to provide a crushing device for producing and processing textile raw materials, and the purpose of good crushing effect of the textile raw materials is achieved.

In order to achieve the purpose, the invention provides the following technical scheme: a crushing device for production and processing of textile raw materials comprises a crushing device, wherein the crushing device is fixedly arranged at the top of a box body, an inclined plate is fixedly arranged at the upper part of an inner cavity of the box body, a filtering device is arranged inside the box body, one side of the filtering device is communicated with a material returning device, and the bottom of the box body is fixedly connected with a supporting column;

the crushing device comprises a crushing box, a rotating shaft, a gear, a transmission gear, a driven shaft, a blade, a cylinder, a mounting plate, a motor, a feeding port and a motor mounting plate, wherein the crushing box is fixedly mounted at the top of the box body and is communicated with the box body, the rotating shaft is rotatably connected with the crushing box through a bearing, the surface of the rotating shaft is sleeved with the gear, one end of the rotating shaft, far away from the gear, is rotatably connected with the mounting plate through the bearing, the front side and the rear side of the gear are respectively meshed with the two transmission gears, the transmission gears are meshed with the driven gear, the driven gear is sleeved on the surface of the driven shaft, one end of the driven shaft, far away from the driven gear, is rotatably connected with the mounting plate through the bearing, the cylinder is sleeved on the surface of the rotating shaft, the, the feeding port is fixedly arranged at the top of the crushing box.

Preferably, the filtering device comprises a filtering net, a filtering net frame, a second motor, an eccentric wheel, a connecting rod, a connecting shaft, a material receiving cylinder, a second gear, a third gear and a motor installation box, the front side, the rear side and the right side of the filter screen are fixedly connected with the filter screen frame, the inner wall surfaces of the front side and the rear side of the box body are provided with movable grooves, the filter screen frame is connected with the box body in a sliding way through the movable groove, the right side of the filter screen frame on the right side is hinged with the connecting rod, one end of the connecting rod, which is far away from the filter screen frame, is rotatably connected with an eccentric wheel through a rotating shaft, the eccentric wheel is sleeved on the surface of the connecting shaft, the gear is sleeved on the middle part of the surface of the connecting shaft, the gear II is meshed with the gear III, the gear III is sleeved on the surface of the motor II, the second motor is fixedly installed inside the motor installation box, and the material receiving barrel is placed at the bottom of the inner cavity of the box body.

Preferably, the feed back device includes the passage, feed back pipe, the drive shaft, helical blade, motor three, the action wheel, from driving wheel and belt, the passage runs through the left side of box and docks with the left side of filter screen, the left side and the feed back pipe intercommunication of passage, the drive shaft passes through the bearing and is connected with feed back pipe rotation, helical blade fixed mounting is on the surface of drive shaft, three fixed mounting of motor are at the top of feed back pipe, the action wheel cup joints the surface at three output terminals of motor, cup joint the surface at the drive shaft from the driving wheel, the action wheel passes through belt transmission with follow driving wheel and is connected, the lower surface that three one end of motor were kept away from to the feed back pipe is provided with.

Preferably, the diameter of the driven gear is smaller than the diameter of the gear.

Preferably, the motor mounting plate is fixedly mounted at the top of the motor mounting box.

Preferably, the front surface of the box body is provided with a box door, and the size of the box door is matched with that of the material receiving barrel.

Preferably, the left side opening of the motor installation box is arranged, and the motor installation box is rotatably connected with the connecting shaft through the supporting rod.

Preferably, the feed back pipe is arranged obliquely, the middle of the bottom of the feed back pipe is fixedly connected with the box body, and the position of the discharge port corresponds to the position of the feeding port.

The invention provides a crushing device for production and processing of textile raw materials. The method has the following beneficial effects:

(1) the invention adds two groups of driven shafts in the crushing device, and the surfaces of the two groups of driven shafts are both provided with blades which are the same as the surfaces of the cylinders and are arranged at intervals, when in crushing, the motor drives the rotating shaft to rotate, the transmission gear is driven by the gear, the driven gear rotates along with the rotating shaft to drive the driven shaft and the motor to synchronously rotate, and the diameter of the driven gear is smaller than that of the gear, therefore, a certain differential speed is arranged between the driven shaft and the rotating shaft, the raw materials are cut and smashed by utilizing the differential speed between the two groups of blades, the smashing effect and the smashing efficiency are improved, the interval arrangement between the two groups of blades has a certain cleaning effect on the surface of the cylinder and the surface of the driven shaft, the raw materials are not easy to adhere to the surface of the cylinder and the surface of the driven shaft, the self-cleaning effect of the crushing device is achieved, meanwhile, the abrasion degree of the blades rotating in the same direction is small, and the service life of the blades is prolonged.

(2) According to the invention, the filtering device is arranged in the middle of the box body, after raw materials are primarily crushed, the raw materials fall onto the surface of the filtering net through the inclined plate, at the moment, the motor II is started to drive the gear II to rotate, the gear III meshed with the gear II rotates along with the gear II, the gear III drives the connecting shaft to rotate, the connecting shaft drives the eccentric wheels at two ends to rotate, the eccentric wheels drive the connecting rod to move back and forth, the frame of the filtering net hinged with the connecting rod moves back and forth in the movable groove of the box body, and finally the filtering net moves back and forth, so that the filtering net achieves the effect of horizontal vibration under the high-speed rotating effect of the motor, the crushed raw materials on the surface of the filtering net play a role in sieving, the raw materials on the surface of. The raw materials after filtration fall into inside the material receiving barrel, the left side of the filter screen is not provided with a filter screen frame, the raw materials which cannot be smashed completely can be vibrated to the interior of the material guide pipe during left-right vibration of the filter screen, enter the material returning device, and are guided back to the interior of the smashing device by the material returning device for secondary smashing.

(3) This, this with novel passage and the left side intercommunication of filter equipment filter screen through with feed back device, the passage will smash the bottom of not thorough raw materials guide feed back pipe, motor three starts to drive the action wheel and rotates, percutaneous belt drive from the driving wheel, it rotates thereupon to drive the drive shaft from the driving wheel, helical blade on drive shaft surface drives the not thorough raw materials of smashing and rises, again fall into the inside of dog-house through the discharge gate, carry out the regrinding through reducing mechanism again, further guarantee crushing effect, the process at the feed back need not manual operation, and the feed back is fast, crushing efficiency has been improved, do benefit to the quick of follow-up processing operation and go on, the time and the human cost of production have been practiced thrift.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is an enlarged view of A in FIG. 1;

FIG. 3 is a schematic top sectional view of the crushing apparatus according to the present invention;

FIG. 4 is a schematic top sectional view of the filtering apparatus of the present invention;

FIG. 5 is a schematic front sectional view of the filter device of the present invention.

In the figure: 1 crushing device, 101 crushing box, 102 rotating shaft, 103 gear, 104 transmission gear, 105 driven gear, 106 driven shaft, 107 blade, 108 cylinder, 109 mounting plate, 110 motor 111 feeding port, 112 motor mounting plate, 2 box body, 3 inclined plate, 4 filtering device, 401 filter screen, 402 filter screen frame, 403 movable groove, 404 motor II, 405 eccentric wheel, 406 connecting rod, 407 connecting shaft, 408 material receiving cylinder, 409 gear II, 410 gear III, 411 motor mounting box, 5 material returning device, 501 material guiding pipe, 502 material returning pipe, 503 driving shaft, 504 helical blade, 505 motor III, 506 driving wheel, 507 driven wheel, 508 belt, 509 discharge port and 6 support column.

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 illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," 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; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1 to 5, the present invention provides a technical solution: a crushing device for producing and processing textile raw materials comprises a crushing device 1, wherein the crushing device 1 is fixedly arranged at the top of a box body 2, a box door is arranged on the front surface of the box body 2, the size of the box door is matched with that of a material receiving cylinder 408, an inclined plate 3 is fixedly arranged at the upper part of an inner cavity of the box body 2, a filtering device 4 is arranged inside the box body 2, the filtering device 4 comprises a filtering net 401, a filtering net frame 402, a motor II 404, an eccentric wheel 405, a connecting rod 406, a connecting shaft 407, the material receiving cylinder 408, a gear II 409, a gear III 410 and a motor installation box 411, the front side, the rear side and the right side of the filtering net 401 are fixedly connected with the filtering net frame 402, movable grooves 403 are arranged on the inner wall surfaces of the front side and the rear side of the box body 2, the filtering net frame 402 is in sliding connection with the box body 2 through the movable grooves 403, the right side of the, the eccentric wheel 405 is sleeved on the surface of the connecting shaft 407, the gear two 409 is sleeved on the middle part of the surface of the connecting shaft 407, the gear two 409 is meshed with the gear three 410, the gear three 410 is sleeved on the surface of the motor two 404, the motor two 404 is fixedly installed inside the motor installation box 411, the material receiving barrel 408 is placed at the bottom of the inner cavity of the box body 2, the left side opening of the motor installation box 411 is arranged, the motor installation box 411 is rotatably connected with the connecting shaft 407 through a supporting rod, the filtering device 4 is arranged in the middle part of the box body 2, after the raw materials are primarily crushed, the raw materials fall onto the surface of the filter screen 401 through the inclined plate 3, at the moment, the motor two 404 is started to drive the gear two 409 to rotate, the gear three 410 meshed with the gear two 409 rotates along with the same, the gear three 410 drives the connecting shaft 407 to rotate, the connecting shaft 407 drives the eccentric wheels 405 at two ends to rotate, the eccentric wheel, finally, the filter screen 401 is driven to move back and forth, under the high-speed rotation effect of the second motor 404, the filter screen 401 can achieve the effect of horizontal vibration, the crushed raw materials on the surface of the filter screen 401 can be screened, the raw materials on the surface of the filter screen 401 can not be piled up to block, and the filtering effect and the filtering efficiency are guaranteed. The raw materials after filtration fall into the receiving cylinder 408, the left side of the filter screen 401 is not provided with the filter screen frame 402, when the filter screen 401 vibrates left and right, the raw materials which are not completely crushed can be vibrated into the material guide pipe 501 and enter the material return device 5, the raw materials are guided back to the interior of the crushing device 1 by the material return device 5 for secondary crushing, one side of the filter device 4 is communicated with the material return device 5, the material return device 5 comprises the material guide pipe 501, a material return pipe 502, a driving shaft 503, a helical blade 504, a motor III 505, a driving wheel 506, a driven wheel 507 and a belt 508, the material guide pipe 501 penetrates through the left side of the box body 2 and is butted with the left side of the filter screen 401, the left side of the material guide pipe 501 is communicated with the material return pipe 502, the material return pipe 502 is arranged in an inclined manner, the middle part of the bottom of the material return pipe 502 is fixedly connected with the box body 2, the position, the helical blade 504 is fixedly arranged on the surface of the driving shaft 503, the motor three 505 is fixedly arranged on the top of the material return pipe 502, the driving wheel 506 is sleeved on the surface of the output end of the motor three 505, the driven wheel 507 is sleeved on the surface of the driving shaft 503, the driving wheel 506 is in transmission connection with the driven wheel 507 through the belt 508, the lower surface of one end of the material return pipe 502, which is far away from the motor three 505, is provided with a material outlet 509, the material guide pipe 501 of the material return device 5 is communicated with the left side of the filter screen 401 of the filter device 4, the material guide pipe 501 guides the incompletely crushed raw material to the bottom of the material return pipe 502, the motor three 505 is started to drive the driving wheel 506 to rotate, the driven wheel 507 and the driven wheel 507 drive the driving shaft 503 to rotate through the belt 508, the helical blade 504 on the surface of the driving shaft 503 rotates along with the helical blade 504, the crushing effect is further ensured, manual operation is not needed in the material returning process, the material returning speed is high, the crushing efficiency is improved, the subsequent processing operation can be rapidly carried out, the production time and the labor cost are saved, and the bottom of the box body 2 is fixedly connected with the support column 6;

the crushing device 1 comprises a crushing box 101, a rotating shaft 102, a gear 103, a transmission gear 104, a driven gear 105, a driven shaft 106, a blade 107, a cylinder 108, a mounting plate 109, a motor 110, a feeding port 111 and a motor mounting plate 112, wherein the crushing box 101 is fixedly mounted at the top of a box body 2 and is communicated with the box body 2, the rotating shaft 102 is rotatably connected with the crushing box 101 through a bearing, the gear 103 is sleeved on the surface of the rotating shaft 102, one end of the rotating shaft 102, far away from the gear 103, is rotatably connected with the mounting plate 109 through a bearing, the front side and the rear side of the gear 103 are respectively meshed with the two transmission gears 104, the transmission gears 104 are meshed with the driven gear 105, the diameter of the driven gear 105 is smaller than that of the gear 103, the driven gear 105 is sleeved on the surface of the driven shaft 106, one end of the driven shaft 106, far away from the driven gear 105, is rotatably connected with, the motor 110 is fixedly arranged on the top of the motor mounting plate 112, the motor mounting plate 112 is fixedly arranged on the top of the motor mounting box 411, the feeding port 111 is fixedly arranged on the top of the crushing box 101, two groups of driven shafts 106 are added into the crushing device 1, blades 107 which are the same as the surfaces of the cylinders 108 and are arranged at intervals are arranged on the surfaces of the two groups of driven shafts 106, when in crushing, the motor 110 drives the rotating shaft 102 to rotate, the transmission gear 104 is driven by the gear 103, the driven gear 105 rotates along with the rotating shaft to drive the driven shafts 106 and the motor 110 to synchronously rotate, and because the diameter of the driven gear 105 is smaller than that of the gear 103, a certain differential speed exists between the driven shafts 106 and the rotating shaft 102, the raw materials are cut and crushed by utilizing the differential speed between the two groups of blades 107, the crushing effect and the crushing efficiency are improved, and the interval arrangement between the two, the raw materials are not easy to adhere to the surface of the cylinder 108 and the surface of the driven shaft 106, the self-cleaning effect of the crushing device 1 is achieved, and meanwhile, the abrasion degree of the blades 107 rotating in the same direction is small, and the service life of the blades is prolonged.

When in use, the raw materials are put into the crushing device 1 through the feeding port 111 for primary crushing, during crushing, the motor 110 drives the rotating shaft 102 to rotate, the transmission gear 104 is driven by the gear 103, the driven gear 105 rotates along with the rotating shaft, the driven shaft 106 and the motor 110 are driven to rotate synchronously, and because the diameter of the driven gear 105 is smaller than that of the gear 103, therefore, a certain differential exists between the driven shaft 106 and the rotating shaft 102, the raw materials are cut and smashed by utilizing the differential between the two groups of blades 107, the smashing effect and the smashing efficiency are improved, the interval arrangement between the two groups of blades 107 has certain cleaning effect on the surface of the cylinder 108 and the surface of the driven shaft 106, so that the raw materials are not easy to adhere to the surface of the cylinder 108 and the surface of the driven shaft 106, the self-cleaning effect of the crushing device 1 is achieved, meanwhile, the abrasion degree of the blades 107 rotating in the same direction is small, so that the service life of the blades is prolonged; the primarily crushed raw materials fall onto the surface of the filter screen 401 through the inclined plate 3, at the moment, the motor II 404 is started to drive the gear II 409 to rotate, the gear III 410 meshed with the gear II 409 rotates along with the gear II, the gear III 410 drives the connecting shaft 407 to rotate, the connecting shaft 407 drives the eccentric wheels 405 at two ends to rotate, the eccentric wheels 405 drive the connecting rod 406 to move back and forth, the filter screen frame 402 hinged with the connecting rod 406 moves back and forth in the movable groove 403 of the box body 2 and finally drives the filter screen 401 to move back and forth, under the high-speed rotation effect of the motor II 404, the filter screen 401 achieves the effect of horizontal vibration, a screening effect is achieved on the crushed raw materials on the surface of the filter screen 401, the raw materials on the surface of the filter screen 401 are prevented from being; the filtered raw materials fall into the receiving cylinder 408, the left side of the filter screen 401 is not provided with the filter screen frame 402, the raw materials which are not completely crushed can be vibrated into the material guide pipe 501 when the filter screen 401 vibrates left and right, the material guide pipe 501 guides the raw materials which are not completely crushed to the bottom of the material return pipe 502, the motor III 505 is started to drive the driving wheel 506 to rotate, the belt 508 drives the driven wheel 507, the driven wheel 507 drives the driving shaft 503 to rotate, the helical blade 504 on the surface of the driving shaft 503 rotates along with the driving wheel, the helical blade 504 drives the raw materials which are not completely crushed to rise, the raw materials fall into the feeding port 111 through the discharge port 509, and the raw materials are secondarily crushed by the crushing device 1, so that the crushing effect, the process of returning the materials does not need manual operation, the returning speed is high, the crushing efficiency is improved, the subsequent processing operation can be rapidly carried out, and the production time and the labor cost are saved.

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 reducing mechanism is used in textile raw materials production and processing, includes reducing mechanism (1), its characterized in that: the crushing device (1) is fixedly arranged at the top of the box body (2), the upper part of an inner cavity of the box body (2) is fixedly provided with an inclined plate (3), a filtering device (4) is arranged inside the box body (2), one side of the filtering device (4) is communicated with the material returning device (5), and the bottom of the box body (2) is fixedly connected with a supporting column (6);

the crushing device (1) comprises a crushing box (101), a rotating shaft (102), a gear (103), a transmission gear (104), a driven gear (105), a driven shaft (106), a blade (107), a cylinder (108), a mounting plate (109), a motor (110), a feeding port (111) and a motor mounting plate (112), wherein the crushing box (101) is fixedly mounted at the top of the box body (2) and is communicated with the box body (2), the rotating shaft (102) is rotatably connected with the crushing box (101) through a bearing, the gear (103) is sleeved on the surface of the rotating shaft (102), one end, far away from the gear (103), of the rotating shaft (102) is rotatably connected with the mounting plate (109) through a bearing, the front side and the rear side of the gear (103) are respectively meshed with the two transmission gears (104), the transmission gears (104) are meshed with the driven gear (105), and the driven gear (105) is sleeved on the surface of the driven shaft (106), one end, far away from the driven gear (105), of the driven shaft (106) is rotatably connected with the mounting plate (109) through a bearing, the cylinder (108) is sleeved on the surface of the rotating shaft (102), the blades (107) are uniformly mounted on the surfaces of the cylinder (108) and the driven shaft (106), the motor (110) is fixedly mounted at the top of the motor mounting plate (112), and the feeding port (111) is fixedly mounted at the top of the crushing box (101).

2. The comminution device of claim 1 for the production and processing of textile materials, wherein: the filter device (4) comprises a filter screen (401), a filter screen frame (402), a motor II (404), an eccentric wheel (405), a connecting rod (406), a connecting shaft (407), a material receiving barrel (408), a gear II (409), a gear III (410) and a motor installation box (411), wherein the front side, the rear side and the right side of the filter screen (401) are fixedly connected with the filter screen frame (402), the inner wall surfaces of the front side and the rear side of the box body (2) are respectively provided with a movable groove (403), the filter screen frame (402) is in sliding connection with the box body (2) through the movable groove (403), the right side of the filter screen frame (402) is hinged to the connecting rod (406), one end, far away from the filter screen frame (402), of the connecting rod (406) is rotatably connected with the eccentric wheel (405) through a rotating shaft, the eccentric wheel (405) is sleeved on the surface of the connecting shaft (407), and the gear II (409) is sleeved in, the second gear (409) is meshed with the third gear (410), the third gear (410) is sleeved on the surface of the second motor (404), the second motor (404) is fixedly installed inside the motor installation box (411), and the material receiving barrel (408) is placed at the bottom of the inner cavity of the box body (2).

3. The comminution device of claim 1 for the production and processing of textile materials, wherein: the feed back device (5) comprises a material guide pipe (501), a material return pipe (502), a driving shaft (503), a helical blade (504), a motor III (505), a driving wheel (506), a driven wheel (507) and a belt (508), wherein the material guide pipe (501) penetrates through the left side of the box body (2) and is in butt joint with the left side of the filter screen (401), the left side of the material guide pipe (501) is communicated with the material return pipe (502), the driving shaft (503) is rotatably connected with the material return pipe (502) through a bearing, the helical blade (504) is fixedly installed on the surface of the driving shaft (503), the motor III (505) is fixedly installed on the top of the material return pipe (502), the driving wheel (506) is sleeved on the surface of the output end of the motor III (505), the driven wheel (507) is sleeved on the surface of the driving shaft (503), and the driving wheel (506) is in transmission connection with the driven wheel, and a discharge hole (509) is formed in the lower surface of one end, far away from the third motor (505), of the material return pipe (502).

4. The comminution device of claim 1 for the production and processing of textile materials, wherein: the diameter of the driven gear (105) is smaller than that of the gear (103).

5. The comminution device of claim 2 for the production and processing of textile materials, wherein: the motor mounting plate (112) is fixedly mounted at the top of the motor mounting box (411).

6. The comminution device of claim 2 for the production and processing of textile materials, wherein: the front surface of the box body (2) is provided with a box door, and the size of the box door is matched with that of the material receiving barrel (408).

7. The comminution device of claim 2 for the production and processing of textile materials, wherein: the left side opening setting of motor install bin (411), and motor install bin (411) rotate with connecting axle (407) through the bracing piece and are connected.

8. The comminution device of claim 3 for the production and processing of textile materials, wherein: the feed back pipe (502) is obliquely arranged, the middle of the bottom of the feed back pipe (502) is fixedly connected with the box body (2), and the position of the discharge port (509) corresponds to the position of the feeding port (111).