Waste woven fabric sorting and recycling device

By designing a sorting and recycling device with screening and crushing components, the problem of debris and stains in waste woven fabrics was solved, achieving efficient debris removal and cleaning, and improving recycling quality and efficiency.

CN223576671UActive Publication Date: 2025-11-21FUJIAN YOUXI HONGWEI CLOTH CO LTD
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Patent Information

Application Number
CN202422740686.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-11
Publication Date
2025-11-21
Estimated Expiration
2034-11-11

AI Technical Summary

Technical Problem

Waste woven fabrics often contain debris and stains during the recycling process, which affects the efficiency and quality of subsequent sorting and recycling.

Method used

A sorting and recycling device including a screening component and a crushing component was designed. The screening plate is driven by a dual-axis motor to screen out debris, and the fabric is treated with crushing blades and a washing system to achieve debris removal and cleaning.

Benefits of technology

It effectively removes debris from the fabric, cleans stains, improves recycling efficiency and quality, and facilitates subsequent reuse.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of sorting and recycling equipment, and discloses a waste woven fabric sorting and recycling device which comprises a sorting table, a screening assembly is arranged on one side of the sorting table, a material guide plate is fixedly installed on the other side of the sorting table, and a crushing assembly is arranged on the other side of the material guide plate in a communicating mode. The double-shaft motor is started, the double-shaft motor drives the long shaft to rotate, the first belt wheel on the long shaft rotates along with the long shaft, the first belt wheel drives the second belt wheel to rotate through a belt, then the short shaft rotates, the protruding block on the short shaft also starts to rotate, and the protruding block continuously collides with the movable plate in the rotating process. The movable plate drives the screening plate to move back and forth in the screening box, an upper baffle at the top of the screening plate and a lower baffle at the bottom of the screening plate prevent the fabric from falling out of the range of the screening plate in the moving process, the effect of screening chippings in the fabric can be achieved, and the effect of subsequent sorting and recycling is facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to sorting recycling equipment technical field, concretely is a kind of waste woven fabric sorting recycling and reusing device. BACKGROUND

[0002] In modern textile industry and daily life, the amount of waste woven fabric is increasing. These waste woven fabrics mainly come from the leftover materials in the process of garment manufacturing, discarded clothes, and obsolete industrial textiles. Although these waste woven fabrics are considered as waste, they actually have high resource value. Waste woven fabrics contain a large amount of fiber materials, such as cotton, hemp, silk, wool, and various synthetic fibers. These fiber materials can be reused for textile production after proper treatment and recycling, reducing the dependence on virgin fiber resources, lowering production costs, and helping to reduce the environmental pressure of waste.

[0003] With the continuous improvement of environmental awareness, the recycling and reuse of waste woven fabric has become an important issue. However, there are many problems in the recycling process of waste woven fabric. On the one hand, waste woven fabric often contains a large amount of debris. If these debris are not removed, they will seriously affect the subsequent sorting and recycling work, reducing the efficiency and quality of recycling. On the other hand, untreated waste woven fabric is large in size and may have stains, which is not conducive to subsequent reuse. SUMMARY

[0004] The utility model aims to provide a kind of waste woven fabric sorting recycling and reusing device, reach the purpose of being able to screen and wash and break the fabric, facilitate subsequent recycling.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of waste woven fabric sorting recycling and reusing device, including sorting table, the side of the sorting table is provided with screening assembly, the other side of the sorting table is fixedly installed with guide plate, the other side of the guide plate is communicated and is provided with crushing assembly.

[0006] Preferably, the screening assembly includes: a screening box fixedly installed on one side of the sorting table; support legs symmetrically and equidistantly fixedly installed on the bottom of the screening box; an inlet pipe communicatedly arranged on one side of the screening box; and a material collecting box arranged on the bottom of the screening box.

[0007] Preferably, the bottom of the screening box is communicatedly provided with a discharge hopper, a double-shaft motor is fixedly installed on one side of the screening box, a discharge port is formed on the other side of the screening box, sliding openings are respectively formed on the front and back surfaces of the screening box, short shafts are rotatably connected to the front and back surfaces of the screening box through bearings, a long shaft is provided on the output end of the double-shaft motor, a belt pulley one is fixedly sleeved on the other end of the long shaft.

[0008] The pulley one fixed on the long shaft, the pulley two and the belt form a reliable transmission system.

[0009] Preferably, the outer wall of the short shaft is fixed with the pulley two, the pulley two and the pulley one are connected through the belt, the outer wall of the short shaft is fixed with the protrusion, the protrusion is arranged on the inner side of the pulley two, the screening box is slidably connected with the movable plate through the sliding opening, the screening plates are fixedly installed between the movable plates, the upper baffles are symmetrically fixed on the top of the screening plates, and the lower baffles are symmetrically fixed on the bottom of the screening plates.

[0010] The protrusion on the outer wall of the short shaft is arranged on the inner side of the pulley two, and the protrusion can contact the movable plate during rotation, drive the movable plate and drive the screening plate to reciprocate in the screening box.

[0011] Preferably, the crushing assembly comprises a bottom plate arranged on the other side of the sorting table.

[0012] Preferably, the top of the bottom plate is circumferentially equidistantly provided with support columns, the top of the support column is fixedly provided with a crushing box, one side of the crushing box is in communication with the guide plate, the top of the crushing box is fixedly provided with a motor, the front of the crushing box is provided with a connecting opening, the inner wall of the crushing box is circumferentially equidistantly provided with crushing blades two, and the output end of the motor is provided with a crushing shaft.

[0013] The support columns circumferentially equidistantly arranged on the top of the bottom plate provide stable support for the crushing box.

[0014] Preferably, the outer wall of the crushing shaft is circumferentially equidistantly provided with crushing blades one, the crushing blades one and the crushing blades two are engagedly connected, the crushing box is fixedly provided with a clamping ring, the crushing box is clampingly connected with a material collecting drawer through the connecting opening, the front of the material collecting drawer is fixedly provided with a handle, the outer wall of the material collecting drawer is circumferentially equidistantly provided with filter holes, the bottom of the material collecting drawer is provided with a clamping opening, the inner wall of the material collecting drawer is movably connected with a storage plate, the storage plate is adapted to the interior of the material collecting drawer and is slidably connected, the storage plate is adapted to the clamping ring, and the top of the bottom plate is fixedly provided with an electric push rod.

[0015] The crushing blades one circumferentially equidistantly arranged on the outer wall of the crushing shaft are engagedly connected with the crushing blades two in the crushing box, so that the crushing efficiency is improved.

[0016] Preferably, the telescopic end of the electric push rod is movably arranged through the bottom of the crushing box and extends into the interior of the crushing box, and a push plate is fixedly arranged on the telescopic end, the push plate is clamped and connected with the material collecting drawer through a clamping opening, a pump is fixedly arranged on the back of the crushing box, a water suction pipe is communicatively arranged on the input end of the pump, the other end of the water suction pipe is communicatively connected with the crushing box, a water outlet pipe is communicatively arranged on the output end of the pump, the other end of the water outlet pipe is communicatively connected with the annular connecting box, the annular connecting box is arranged on the top of the crushing box, the annular connecting box is sleeved on the outer side of the motor, the other end of the water outlet pipe is communicatively connected with the annular connecting box, a plurality of nozzles are equidistantly and communicatively arranged on the bottom of the annular connecting box, the nozzles are movably arranged through the top of the crushing box and extend into the interior of the crushing box, and a drain pipe is communicatively arranged on the back of the crushing box, and a valve is arranged on the middle end of the drain pipe.

[0017] The cleaning system composed of the pump, the water suction pipe, the water outlet pipe, the annular connecting box and the nozzles can efficiently clean the interior of the crushing box.

[0018] The utility model provides a kind of waste woven fabric sorting recycling device.It has the following beneficial effects:

[0019] (1), the utility model discloses a start double-shaft motor, double-shaft motor drives long shaft rotation, pulley one on long shaft rotates, pulley one drives pulley two rotation by belt, to make short shaft rotate, the protruding block on short shaft also starts to rotate, protruding block rotates in process constantly impact movable plate, and movable plate drives screening plate to move back and forth in screening box, upper baffle on the top of screening plate and lower baffle on the bottom prevent fabric from falling out of screening plate range in moving process, reach the effect that the debris in fabric can be screened, facilitate the effect of subsequent sorting recycling.

[0020] (2), the utility model discloses a start motor, motor drives crushing shaft rotation, crushing blade one on crushing shaft and crushing blade two on crushing box inner wall are mutually engaged, and waste woven fabric is crushed, starts pump, and pump is pumped from crushing box by water suction pipe, and then is transported to annular connecting box by water outlet pipe, and the water in annular connecting box is sprayed into crushing box by the nozzle on the bottom, and fabric is cleaned, reach the effect that fabric can be washed and crushed, and subsequent recycling effect. ACCREDITED DRAWINGS

[0021] Figure 1 It is the whole structure of the utility model stereoscopic schematic diagram;

[0022] Figure 2 It is the screening subassembly structure of the utility model sectional view;

[0023] Figure 3 It is the crushing subassembly structure of the utility model sectional view;

[0024] Figure 4The utility model discloses a broken assembly structure side sectional view.

[0025] In the drawing: 1 is sorting table, 2 is screening assembly, 3 is broken assembly, 4 is guide plate;

[0026] 211 is screening box, 212 is support leg, 213 is feed pipe, 214 is discharge hopper, 215 is material receiving box, 216 is double-shaft motor, 217 is long shaft, 218 is belt pulley one, 219 is short shaft, 2111 is belt pulley two, 2112 is belt, 2113 is protruding block, 2114 is movable plate, 2115 is screening plate, 2116 is upper baffle, 2117 is lower baffle;

[0027] 311 is bottom plate, 312 is support column, 313 is broken box, 314 is motor, 315 is broken shaft, 316 is broken blade one, 317 is broken blade two, 318 is clamping ring, 319 is material receiving drawer, 3111 is handle, 3112 is electric push rod, 3113 is push plate, 3114 is water suction pipe, 3115 is suction pump, 3116 is water outlet pipe, 3117 is annular connecting box, 3118 is spray head, 3119 is storage plate. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work belong to the range protected by the utility model.

[0029] The examples of the described embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are intended to explain the utility model, and cannot be understood as the limitation of the utility model.

[0030] Embodiment one:

[0031] The preferred embodiment of the waste braided fabric sorting and recycling device provided by the utility model is as follows Figures 1-4The utility model provides a kind of waste woven fabric sorting recycling device, including sorting table 1, sorting table 1 side is provided with screening assembly 2, sorting table 1 other side is fixedly installed with guide plate 4, the other side of guide plate 4 is communicated and is provided with crushing assembly 3, screening assembly 2 includes: screening box 211, fixedly installed in the one side of sorting table 1;Support leg 212, symmetrically equidistant fixed installation is in the bottom of screening box 211;Feed pipe 213, it is communicated and set in the one side of screening box 211;Material receiving box 215, it is set in the bottom of screening box 211;The bottom of screening box 211 is communicated and is provided with discharge hopper 214, the one side of screening box 211 is fixedly installed with double-shaft motor 216, the other side of screening box 211 is opened with discharge port, the front and back of screening box 211 are respectively opened with sliding port, the front and back of screening box 211 are respectively rotatably connected with short shaft 219 by bearing, the output of double-shaft motor 216 is provided with long shaft 217, the other end of long shaft 217 is fixedly sleeved with pulley one 218, the outer wall of short shaft 219 is fixedly sleeved with pulley two 2111, pulley two 2111 and pulley one 218 are drivenly connected by belt 2112, the outer wall of short shaft 219 is fixedly sleeved with lug 2113, lug 2113 is set in the inside of pulley two 2111, screening box 211 is slidably connected with movable plate 2114 by sliding port, movable plate 2114 is fixedly installed with screening plate 2115 between, the top of screening plate 2115 is symmetrically fixedly installed with upper baffle 2116, the bottom of screening plate 2115 is symmetrically fixedly installed with lower baffle 2117.

[0032] Further, in the embodiment, the waste woven fabric is put into the screening box 211 of the screening assembly 2 through the feed pipe 213, the double-shaft motor 216 is started, the double-shaft motor 216 drives the long shaft 217 to rotate, the pulley one 218 on the long shaft 217 rotates, the pulley one 218 drives the pulley two 2111 to rotate through the belt 2112, and then the short shaft 219 rotates, the lug 2113 on the short shaft 219 also starts to rotate, the lug 2113 continuously hits the movable plate 2114 in the rotating process, the movable plate 2114 drives the screening plate 2115 to move back and forth in the screening box 211, the upper baffle 2116 on the top of the screening plate 2115 and the lower baffle 2117 on the bottom prevent the fabric from falling out of the range of the screening plate 2115 during the moving process, the screened fabric falls into the material receiving box 215 through the discharge hopper 214, the fabric that does not meet the screening requirements is discharged from the discharge port on the other side of the screening box 211, and the fabric that meets the requirements is discharged from the discharge port of the material receiving box 215 and discharged onto the sorting table 1.

[0033] Embodiment two

[0034] On the basis of embodiment one, the preferred embodiment of the waste woven fabric sorting recycling device provided by the utility model is as follows Figures 1-4The broken assembly 3 includes: the bottom plate 311 is arranged on the other side of the sorting table 1; the top of the bottom plate 311 is circumferentially equidistantly provided with a support column 312, the top end of the support column 312 is fixedly provided with a crushing box 313, one side of the crushing box 313 is communicated with the guide plate 4, the top of the crushing box 313 is fixedly provided with a motor 314, the front of the crushing box 313 is provided with a connecting port, the inner wall of the crushing box 313 is circumferentially equidistantly provided with a crushing blade two 317, the output end of the motor 314 is provided with a crushing shaft 315, the other end of the crushing shaft 315 is movably penetrated through the top of the crushing box 313 and extends into the inside of the crushing box 313, the outer wall of the crushing shaft 315 is circumferentially equidistantly provided with a crushing blade one 316, the crushing blade one 316 and the crushing blade two 317 are meshingly connected, the inside of the crushing box 313 is fixedly provided with a clamping ring 318, the crushing box 313 is clamped and connected with a material collecting drawer 319 through the connecting port, the front of the material collecting drawer 319 is fixedly provided with a handle 3111, the outer wall of the material collecting drawer 319 is circumferentially equidistantly provided with a filter hole, the bottom of the material collecting drawer 319 is provided with a clamping port, the inner wall of the material collecting drawer 319 is movably connected with a storage plate 3119, the storage plate 3119 is matched with the inside of the material collecting drawer 319 and is slidably connected, the storage plate 3119 is matched with the clamping ring 318, the top of the bottom plate 311 is fixedly provided with an electric push rod 3112, the telescopic end of the electric push rod 3112 is movably penetrated through the bottom of the crushing box 313 and extends into the inside of the crushing box 313 and is fixedly provided with a push plate 3113, the push plate 3113 is clamped and connected with the material collecting drawer 319 through the clamping port, the back of the crushing box 313 is fixedly provided with a pump 3115, the input end of the pump 3115 is communicatedly provided with a water pump 3114, the other end of the water pump 3114 is communicated with the crushing box 313, the output end of the pump 3115 is communicatedly provided with a water outlet pipe 3116, the top of the crushing box 313 is fixedly provided with a ring-shaped connecting box 3117, the ring-shaped connecting box 3117 is sleeved outside the motor 314, the other end of the water outlet pipe 3116 is communicated with the ring-shaped connecting box 3117, the bottom of the ring-shaped connecting box 3117 is circumferentially equidistantly communicatedly provided with a spray head 3118, the other end of the spray head 3118 penetrates through the top of the crushing box 313 and extends into the inside of the crushing box 313, the back of the crushing box 313 is communicatedly provided with a drain pipe, and the middle end of the drain pipe is provided with a valve.

[0035] Further, in the embodiment, the fabric after artificial sorting enters the crushing box 313 of the crushing assembly 3 through the guide plate 4, at this time, the electric push rod 3112 is in the stretched state, the electric push rod 3112 pushes the placing plate 3119 to be clamped and connected with the clamping ring 318 through the push plate 3113, the fabric falls on the surface of the placing plate 3119, the motor 314 is started, the motor 314 drives the crushing shaft 315 to rotate, the crushing blade one 316 on the crushing shaft 315 is engaged with the crushing blade two 317 on the inner wall of the crushing box 313, the waste woven fabric is crushed, the pump 3115 is started, the pump 3115 draws water from the crushing box 313 through the water pipe 3114, and then the water is delivered to the annular connecting box 3117 through the water outlet pipe 3116, the water in the annular connecting box 3117 is sprayed into the crushing box 313 through the bottom spray head 3118, the fabric is cleaned, when the crushing is completed, the electric push rod 3112 is started, the electric push rod 3112 drives the placing plate 3119 to move downwards through the push plate 3113, until the push plate 3113 moves the placing plate 3119 to the inner wall bottom of the material collecting drawer 319, the water flow filters the fabric in the inside through the water outlet hole of the material collecting drawer 319 and the placing plate 3119, and recycling is facilitated, when the material collecting drawer 319 needs to be taken out from the inside of the crushing box 313, the valve is opened, the water flow in the crushing box 313 is discharged outward through the drain pipe.

[0036] In use, first, the waste woven fabric is put into the screening box 211 of the screening assembly 2 through the feeding pipe 213, the double-shaft motor 216 is started, the double-shaft motor 216 drives the long shaft 217 to rotate, the pulley one 218 on the long shaft 217 rotates, the pulley one 218 drives the pulley two 2111 to rotate through the belt 2112, and then the short shaft 219 rotates, the protruding block 2113 on the short shaft 219 also starts to rotate, the protruding block 2113 continuously hits the movable plate 2114 in the rotating process, the movable plate 2114 drives the screening plate 2115 to move back and forth in the screening box 211, the upper baffle 2116 at the top of the screening plate 2115 and the lower baffle 2117 at the bottom prevent the fabric from falling out of the range of the screening plate 2115 in the moving process, the screened fabric falls into the receiving box 215 through the discharge hopper 214, the fabric that does not meet the screening requirement is discharged from the discharge port on the other side of the screening box 211, and the fabric that meets the requirement is discharged from the discharge port of the receiving box 215 to the sorting table 1, the fabric after artificial sorting enters the crushing box 313 of the crushing assembly 3 through the guide plate 4, at this time, the electric push rod 3112 is in the stretched state, the electric push rod 3112 drives the placement plate 3119 to be clamped and connected with the clamping ring 318 through the push plate 3113, the fabric falls on the surface of the placement plate 3119, the motor 314 is started, the motor 314 drives the crushing shaft 315 to rotate, the crushing blade one 316 on the crushing shaft 315 is engaged with the crushing blade two 317 on the inner wall of the crushing box 313, and the waste woven fabric is crushed, the pump 3115 is started, the pump 3115 draws water from the crushing box 313 through the water pump 3114, and then the water is delivered to the annular connecting box 3117 through the water outlet pipe 3116, the water in the annular connecting box 3117 is sprayed into the crushing box 313 through the bottom nozzle 3118, and the fabric is cleaned, when the crushing is completed, the electric push rod 3112 is started, the electric push rod 3112 drives the placement plate 3119 to move downwards through the push plate 3113, until the push plate 3113 is located at the bottom of the inner wall of the receiving drawer 319, and the water flow filters the fabric in the receiving drawer 319 through the water outlet holes of the receiving drawer 319 and the placement plate 3119, and recycling is facilitated, when the receiving drawer 319 needs to be taken out from the inside of the crushing box 313, the valve is opened, and the water flow in the crushing box 313 is discharged to the outside through the drain pipe.

[0037] Finally, it should be noted that: the above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or replace some technical features equivalently. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A device for sorting and recycling waste knitted fabric, comprising a sorting table (1), characterized in that: One side of the sorting table (1) is provided with a screening assembly (2), the other side of the sorting table (1) is fixedly installed with a guide plate (4), the other side of the guide plate (4) is communicated with a crushing assembly (3), the crushing assembly (3) comprises: A bottom plate (311) is arranged on the other side of the sorting table (1); The top circumference of the bottom plate (311) is equidistantly provided with a support column (312), the top end of the support column (312) is fixedly provided with a crushing box (313), one side of the crushing box (313) is communicated with a guide plate (4), the top of the crushing box (313) is fixedly provided with a motor (314), the front of the crushing box (313) is provided with a connecting port, the inner wall of the crushing box (313) is equidistantly provided with a crushing blade two (317), the output end of the motor (314) is provided with a crushing shaft (315), the other end of the crushing shaft (315) is movably penetrated through the top of the crushing box (313) and extends into the inside of the crushing box (313), the outer wall of the crushing shaft (315) is equidistantly provided with a crushing blade one (316), the crushing blade one (316) and the crushing blade two (317) are engagedly connected, the inside of the crushing box (313) is fixedly sleeved with a clamping ring (318), the crushing box (313) is clampingly connected with a material collecting drawer (319) through the connecting port, the front of the material collecting drawer (319) is fixedly provided with a handle (3111), the outer wall of the material collecting drawer (319) is equidistantly provided with a filtering hole, the bottom of the material collecting drawer (319) is provided with a clamping port, the inner wall bottom of the material collecting drawer (319) is movably connected with a storage plate (3119), the storage plate (3119) is matched with the inside of the material collecting drawer (319) and is slidingly connected, the storage plate (3119) is matched with the clamping ring (318), the top of the bottom plate (311) is fixedly provided with an electric push rod (3112), the telescopic end of the electric push rod (3112) is movably penetrated through the bottom of the crushing box (313) and extends into the inside of the crushing box (313) and is fixedly provided with a push plate (3113), the push plate (3113) is clampingly connected with the material collecting drawer (319) through the clamping port, the back of the crushing box (313) is fixedly provided with a pump (3115), the input end of the pump (3115) is communicatedly provided with a water pump (3114), the other end of the water pump (3114) is communicated with the crushing box (313), the output end of the pump (3115) is communicatedly provided with a water outlet pipe (3116), the top of the crushing box (313) is fixedly provided with a ring-shaped connecting box (3117), the ring-shaped connecting box (3117) is sleeved outside the motor (314), the other end of the water outlet pipe (3116) is communicated with the ring-shaped connecting box (3117), the bottom of the ring-shaped connecting box (3117) is equidistantly communicatedly provided with a spray head (3118), the other end of the spray head (3118) penetrates through the top of the crushing box (313) and extends into the inside of the crushing box (313), the back of the crushing box (313) is communicatedly provided with a drain pipe, and the middle end of the drain pipe is provided with a valve.

2. The device for sorting, recycling and reusing waste knitted fabric according to claim 1, characterized in that: The screening assembly (2) comprises: A screening box (211) is fixedly installed on one side of the sorting table (1); Supporting legs (212) are symmetrically and equidistantly fixedly installed at the bottom of the screening box (211); A feeding pipe (213) is communicated and arranged at one side of the screening box (211); A material collecting box (215) is arranged at the bottom of the screening box (211).

3. The device for sorting, recycling and reusing waste knitted fabric according to claim 2, characterized in that: The bottom of the screening box (211) is communicated and arranged with a discharging hopper (214), one side of the screening box (211) is fixedly installed with a double-shaft motor (216), the other side of the screening box (211) is provided with a discharging port, the front and back of the screening box (211) are respectively provided with sliding ports, the front and back of the screening box (211) are respectively rotatably connected with short shafts (219) through bearings, and the output end of the double-shaft motor (216) is provided with a long shaft (217).

4. The device for sorting, recycling and reusing waste knitted fabric according to claim 3, characterized in that: The outer wall of the short shaft (219) is fixedly sleeved with a belt pulley two (2111), the belt pulley two (2111) and the belt pulley one (218) are drivingly connected through a belt (2112), the outer wall of the short shaft (219) is fixedly sleeved with a protruding block (2113), the protruding block (2113) is arranged at the inner side of the belt pulley two (2111), the screening box (211) is slidingly connected with movable plates (2114) through the sliding ports, the movable plates (2114) are fixedly installed with screening plates (2115) therebetween, the top of the screening plate (2115) is symmetrically fixedly installed with upper baffles (2116), and the bottom of the screening plate (2115) is symmetrically fixedly installed with lower baffles (2117).