Building engineering waste recycling equipment

Abstract

The invention discloses building engineering waste recycling equipment, and relates to the field of building waste recycling governance, the building engineering waste recycling equipment comprises a recycling treatment box and crushing recycling rollers, the crushing recycling rollers are mounted in the recycling treatment box in pairs to crush waste, a feeding hopper is arranged above the recycling treatment box, and the feeding hopper is arranged above the recycling treatment box. And the lower end of the feeding hopper communicates with a feeding channel, the feeding channel is located above the crushing and recycling roller, an extrusion block is arranged in the feeding channel, and an up-down sliding structure is formed between the extrusion block and the feeding channel. According to the building engineering waste recycling equipment, feeding of the feeding hopper can be controlled through the arrangement of the baffle, the baffle can also shield and protect broken materials in the recycling treatment box, waste is prevented from splashing outwards during waste recycling treatment, the baffle can be automatically opened and closed along with movement of the extrusion block, automatic control over discharging is achieved, and the practicability is high. And meanwhile, the waste can be fully crushed and recycled, and the waste treatment efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of construction waste recycling and management, and in particular to a construction waste recycling and utilization device. Background Art

[0002] During the construction of construction projects, construction waste will be generated. If the construction waste is directly treated as garbage, it will cause a large amount of resource waste and pollution. Solid waste can be recycled after being processed by crushing and other methods, which can achieve the recycling of waste while achieving solid waste management.

[0003] Prior art 1 (application number CN202121935703.5, Chinese patent published on May 31, 2022) An energy-saving and environmentally friendly waste treatment equipment for construction projects, the energy-saving and environmentally friendly waste treatment equipment for construction projects includes: a treatment box, a water tank and a collecting mechanism, the water tank is fixedly installed on one side outer wall of the treatment box, and the collecting mechanism is arranged on the treatment box; the collecting mechanism includes a collecting box, an electric push rod, a mounting block, a hydraulic cylinder, a connecting block and an electromagnet. The energy-saving and environmentally friendly waste treatment equipment for construction projects provided by this application has classification and separation functions, which can be used to classify and recycle waste and metals, thereby reducing labor intensity and manpower, and can separate water and waste, thereby achieving the purpose of water circulation, so that it can avoid the waste of water resources; Prior art 2 (application number CN202120222489.2, Chinese patent published on November 02, 2021) A civil engineering construction waste treatment device, including a base, a support column, a shell, a first feed pipe, a crushing chamber, a driven wheel, a gear set and a guide plate, the base is connected to the support column; the end of the support column away from the base is connected to The shell is connected; a through hole is provided on the top of the shell, and a crushing device is provided in the crushing chamber; the crushing device includes a driving wheel; the driving wheel is connected to the gear set. The device has a simple structure and is easy to operate, and can effectively recycle and process construction waste. During the processing, the waste can be sorted and compressed, thereby improving the waste recycling rate. At the same time, the flushing of the water pipe can reduce the residual dust and impurities in the waste, making the waste purer and reducing the workload of manual sorting. The waste can be effectively crushed by the crushing device, so that small pieces of magnetic waste can be attracted by the electromagnet when transported on the first conveyor belt, so that the magnetic waste follows the transmission of the second conveyor belt, thereby realizing the sorting of waste.

[0004] Current waste recycling equipment generally processes waste by crushing it. During crushing, construction waste is directly added to the equipment. Adding too much at one time can easily cause crushing blockage. During crushing, some materials move above the crushing mechanism and cannot be effectively crushed, affecting the recycling effect. During crushing, the feeding port is also prone to bursting outward. At the same time, after the crushing is completed, the metal in the material is discharged together with other waste, which is not conducive to the subsequent reuse of the waste. Summary of the invention

[0005] The purpose of the present invention is to provide a construction waste recycling device to solve the problem that the current waste recycling devices mentioned in the above background technology generally process the waste by crushing. During crushing, the construction waste is directly added to the equipment. Adding too much at one time can easily cause crushing blockage. During crushing, part of the material moves above the crushing mechanism and cannot be effectively crushed, affecting the treatment effect. During crushing, the feeding port is also prone to bursting outward. At the same time, after the crushing is completed, the metal and other waste in the material are discharged together, which is not conducive to the subsequent reuse of the waste.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a construction waste recycling equipment, comprising a recycling processing box and a crushing recovery roller, the crushing recovery rollers are installed in pairs inside the recycling processing box to crush the waste, a feed hopper is arranged above the recycling processing box, and the lower end of the feed hopper is connected to a feeding channel, the feeding channel is located above the crushing recovery roller, and an extrusion block is arranged inside the feeding channel, and an up-and-down sliding structure is formed between the extrusion block and the feeding channel to extrude the waste in the feeding channel, and a A first return spring is provided, and the upper end of the first return spring is fixedly connected to the inner wall of the feeding channel. A movement control mechanism is arranged above the extrusion block to control the vertical movement of the extrusion block. A shielding mechanism is arranged inside the feed hopper to close the feed hopper when the extrusion block moves downward. A discharge channel is arranged below the crushing and recovery roller, and a sorting trough is connected below the discharge channel, and a waste sorting mechanism is arranged inside the sorting trough to sort the metal in the waste. A first discharge pipe and a second discharge pipe are respectively arranged below the discharge channel to discharge the crushed product.

[0007] To further optimize the technical solution, a controller is installed on the front side of the recycling box, and a driver is provided on the rear side of the recycling box, and the driver is connected to the crushing recovery roller to control the rotation of the crushing recovery roller.

[0008] To further optimize the technical solution, protrusions are evenly distributed on the lower surface of the extrusion block, and a positioning block is provided below the extrusion block. The positioning block is fixed to the inner wall of the feeding channel to limit the maximum downward movement distance of the extrusion block.

[0009] To further optimize the technical solution, the mobile control mechanism includes a control rope, a drive block, a reciprocating screw and a drive mechanism;

[0010] A control rope, fixed above the extrusion block;

[0011] A driving block is arranged inside the recycling processing box and between the recycling processing box to form an up-and-down sliding structure;

[0012] A reciprocating screw penetrates the drive block and forms a threaded connection between the drive blocks, and a rotational connection between the drive block and the recycling treatment box;

[0013] The driving mechanism is connected to the reciprocating screw to control the movement of the reciprocating screw.

[0014] To further optimize the technical solution, the driving mechanism includes a transmission shaft and a motor;

[0015] A transmission shaft is fixed below the reciprocating screw;

[0016] The motor is connected to the transmission shaft to control the rotation of the transmission shaft.

[0017] To further optimize the technical solution, the shielding mechanism includes a baffle, a second return spring and a connecting block;

[0018] A baffle is arranged inside and between the feed hopper to form an up-and-down sliding structure;

[0019] A second return spring is arranged above the baffle plate to provide a downward thrust for the baffle plate;

[0020] The connecting block is fixed on the right side of the baffle, and the connecting block is located above the extrusion block.

[0021] To further optimize the technical solution, the waste sorting mechanism includes a connecting plate, a push plate, a first discharge pipe, a second discharge pipe, a magnetic adsorption block and a transmission mechanism;

[0022] A connecting plate is arranged above the sorting tank;

[0023] The push plate is fixed under the connecting plate to push the materials in the sorting trough to move;

[0024] A first discharge pipe is arranged below the sorting tank;

[0025] A second discharge pipe, arranged at the front side of the first discharge pipe;

[0026] The magnetic adsorption block is arranged above the connecting plate to adsorb the material below the connecting plate, and the second discharge pipe and the magnetic adsorption block are arranged staggered;

[0027] The transmission mechanism is connected to the connecting disk to control the rotation of the connecting disk.

[0028] To further optimize the technical solution, the transmission mechanism includes a mounting shaft and a transmission belt;

[0029] The installation shaft is fixed in the middle of the connection plate, and a rotation connection is formed between the installation shaft and the recovery and processing box;

[0030] The transmission belt is arranged on the outside of the installation shaft, and the installation shaft is connected with the transmission shaft through the transmission belt.

[0031] To further optimize the technical solution, an auxiliary shifting mechanism is provided below the connecting plate to shift the materials in the sorting tank.

[0032] To further optimize the technical solution, the auxiliary toggle mechanism includes a movable shaft, a toggle lever, a transmission gear and a fixed gear ring;

[0033] A movable shaft is rotatably mounted below the connecting plate;

[0034] A toggle lever is fixed on the surface of the movable shaft;

[0035] A transmission gear is fixed above the movable shaft;

[0036] The fixed gear ring is arranged on the outer side of the transmission gear and forms a meshing connection with the transmission gear, and the fixed gear ring is fixed above the sorting trough.

[0037] Compared with the prior art, the present invention has the following beneficial effects:

[0038] (1) The baffle can be set to control the feeding of the feed hopper, and the baffle can also shield and protect the crushing in the recycling box to prevent the waste from splashing out during the waste recycling process. The baffle can be automatically opened and closed with the movement of the extrusion block to achieve automatic control of material discharge, and only one set of control power source is set to reduce its cost. At the same time, the waste can be fully crushed and recycled, thereby improving the waste treatment efficiency.

[0039] (2) The waste entering the feeding channel can be squeezed by the squeezing block so that the waste can be effectively crushed, and the squeezing block can automatically reciprocate vertically to squeeze the waste when moving downward and control the baffle to open the feeding when moving upward so that the waste can be added stably.

[0040] (3) The reciprocating screw cooperates with the first return spring to provide power for the vertical movement of the extrusion block, and the first spring provides a downward elastic force for the extrusion block. The extrusion block can be moved by compressing the first return spring, which can achieve downward pressure on the waste and prevent the crushing recovery roller from being damaged by rigid extrusion.

[0041] (4) The rotation of the connecting disk drives the push plate to push the waste material and discharge it through the first discharge pipe. At the same time, the magnetic adsorption block can attract the metal material in the waste material and adsorb it to the lower surface of the connecting disk. When the connecting disk moves to the second discharge pipe, it automatically falls and is discharged through the second discharge pipe, thereby realizing the classification and processing of the crushed materials.

[0042] (5) The waste in the sorting tank can be moved by rotating the movable shaft in coordination with the toggle lever to disperse it evenly, which is convenient for the adsorption of the magnetic adsorption block. The rotational power of the movable shaft comes from the rotation of the connecting disk, and the movable shaft can rotate automatically when the connecting disk rotates. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0044] Figure 2 It is a rear view structural schematic diagram of the present invention;

[0045] Figure 3 This is a schematic diagram of the internal structure of the recycling and processing box of the present invention;

[0046] Figure 4 This is a schematic diagram of the upward movement structure of the extrusion block of the present invention;

[0047] Figure 5 It is a schematic diagram of the side view structure of the baffle of the present invention;

[0048] Figure 6 This is a schematic diagram of the structure of the mounting plate of the present invention when viewed from above;

[0049] Figure 7 It is a schematic diagram of the top-sectional structure of the pusher plate of the present invention;

[0050] Figure 8 It is a schematic diagram of the three-dimensional structure of the movable shaft of the present invention;

[0051] Fig. 9 This is a schematic diagram of the side structure of the first discharge pipe of the present invention;

[0052] Fig.10 It is a schematic diagram of the top view of the transmission gear structure of the present invention.

[0053] In the figure: 1. Recycling treatment box; 2. Controller; 3. Crushing recovery roller; 4. Driver; 5. Feed hopper; 6. Feeding channel; 7. Discharge channel; 8. Sorting trough; 9. First discharge pipe; 10. Second discharge pipe; 11. Extrusion block; 12. First return spring; 13. Control rope; 14. Drive block; 15. Reciprocating screw; 16. Positioning block; 17. Bump; 18. Baffle; 19. Second return spring; 20. Connecting block; 21. Transmission shaft; 22. Motor; 23. Connecting plate; 24. Pushing plate; 25. Mounting shaft; 26. Transmission belt; 27. Magnetic adsorption block; 28. Movable shaft; 29. ​​Toggle lever; 30. Transmission gear; 31. Fixed gear ring. DETAILED DESCRIPTION

[0054] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0055] See also Figure 1-Figure 10 , the present invention provides the following technical solutions: a construction waste recycling device, comprising a recycling treatment box 1 and crushing recovery rollers 3, the crushing recovery rollers 3 are installed in pairs inside the recycling treatment box 1 to crush the waste;

[0056] Embodiment 1: The present invention provides the following technical solution, which discloses that a feed hopper 5 is arranged above the recycling treatment box 1, and the lower end of the feed hopper 5 is connected to a feeding channel 6, the feeding channel 6 is located above the crushing recovery roller 3, and an extrusion block 11 is arranged inside the feeding channel 6, and an up-and-down sliding structure is formed between the extrusion block 11 and the feeding channel 6 to extrude the waste in the feeding channel 6, a first return spring 12 is arranged above the extrusion block 11, and the upper end of the first return spring 12 is fixedly connected to the inner wall of the feeding channel 6, and a movement control mechanism is arranged above the extrusion block 11 to control the vertical movement of the extrusion block 11 The feed hopper 5 is movable, a shielding mechanism is arranged inside the feed hopper 5, and the feed hopper 5 is closed when the extrusion block 11 moves downward, a discharge channel 7 is arranged below the crushing and recovery roller 3, and a sorting trough 8 is connected below the discharge channel 7, and a waste sorting mechanism is arranged inside the sorting trough 8 to sort the metal in the waste, a first discharge pipe 9 and a second discharge pipe 10 are respectively arranged below the discharge channel 7 to discharge the crushed product, a controller 2 is installed on the front side of the recycling processing box 1, and a driver 4 is arranged on the rear side of the recycling processing box 1, and the driver 4 is connected to the crushing and recovery roller 3 to control the rotation of the crushing and recovery roller 3.

[0057] When in use, waste materials can be added through the feed hopper 5, and the waste materials enter the feeding channel 6 through the feed hopper 5, and fall along the feeding channel 6 to the crushing recovery roller 3 for crushing. At the same time, the waste materials are squeezed by the downward movement of the extrusion block 11, so that they can be effectively crushed. When the extrusion block 11 moves downward, the feeding channel of the feed hopper 5 will be closed, and the material discharge will be suspended. At the same time, it can also avoid splashing of materials outward during crushing. The crushed materials enter the interior of the sorting tank 8 through the discharge channel 7, and are discharged outward after sorting.

[0058] Embodiment 2: Based on Embodiment 1, it is disclosed that the lower surface of the extrusion block 11 is evenly distributed with protrusions 17, and a positioning block 16 is arranged below the extrusion block 11. The positioning block 16 is fixed to the inner wall of the feeding channel 6 to limit the maximum downward movement distance of the extrusion block 11. The movement control mechanism includes a control rope 13, a driving block 14, a reciprocating screw 15 and a driving mechanism. The control rope 13 is fixed above the extrusion block 11, and the driving block 14 is arranged inside the recycling treatment box 1 and between the recycling treatment box 1 to form an up and down sliding structure. The reciprocating screw 15 penetrates the driving block 14 and forms a threaded connection between the driving block 14, and the driving block 14 and the recycling treatment box 1 A rotational connection is formed between them, and the driving mechanism is connected to the reciprocating screw 15 to control the movement of the reciprocating screw 15. The driving mechanism includes a transmission shaft 21 and a motor 22. The transmission shaft 21 is fixed below the reciprocating screw 15. The motor 22 is connected to the transmission shaft 21 to control the rotation of the transmission shaft 21. The shielding mechanism includes a baffle 18, a second return spring 19 and a connecting block 20. The baffle 18 is arranged inside the feed hopper 5 and between the feed hopper 5 to form an up and down sliding structure. The second return spring 19 is arranged above the baffle 18 to provide a downward thrust for the baffle 18. The connecting block 20 is fixed on the right side of the baffle 18, and the connecting block 20 is located above the extrusion block 11.

[0059] During crushing, the motor 22 can be started to drive the transmission shaft 21 to rotate, and the transmission shaft 21 drives the reciprocating screw 15 to rotate, so that it drives the driving block 14 to reciprocate vertically. When the driving block 14 moves downward, the extrusion block 11 will be pulled upward through the control rope 13. At the same time, the extrusion block 11 will drive the baffle 18 to move upward through the connecting block 20 when moving upward, and the channel of the feed hopper 5 will be opened, so that the waste can enter the interior of the feeding channel 6. When the driving block 14 moves upward subsequently, the first return spring 12 will push the extrusion block 11 to move downward, and at the same time, the baffle 18 moves downward under the action of the second return spring 19 to block the feed hopper 5, stop feeding, and realize intermittent control of feeding.

[0060] Embodiment 3: On the basis of embodiment 2, a waste sorting mechanism is disclosed, which includes a connecting disc 23, a pushing plate 24, a first discharge pipe 9, a second discharge pipe 10, a magnetic adsorption block 27 and a transmission mechanism. The connecting disc 23 is arranged above the sorting tank 8, the pushing plate 24 is fixed below the connecting disc 23, and pushes the material in the sorting tank 8 to move, the first discharge pipe 9 is arranged below the sorting tank 8, the second discharge pipe 10 is arranged at the front side of the first discharge pipe 9, the magnetic adsorption block 27 is arranged above the connecting disc 23, and adsorbs the material below the connecting disc 23, the second discharge pipe 10 and the magnetic adsorption block 27 are staggered, and the transmission mechanism is connected to the connecting disc 23 to control the rotation of the connecting disc 23, and the transmission mechanism includes a mounting shaft 25 and a transmission belt 26. The mounting shaft 25 is fixed in the middle of the connecting disk 23, and a rotational connection is formed between the mounting shaft 25 and the recycling processing box 1. The transmission belt 26 is arranged on the outside of the mounting shaft 25, and the mounting shaft 25 is connected to the transmission shaft 21 through the transmission belt 26. An auxiliary toggling mechanism is arranged below the connecting disk 23 to toggle the materials in the sorting tank 8. The auxiliary toggling mechanism includes a movable shaft 28, a toggle rod 29, a transmission gear 30 and a fixed gear ring 31. The movable shaft 28 is rotatably mounted below the connecting disk 23, the toggle rod 29 is fixed on the surface of the movable shaft 28, the transmission gear 30 is fixed above the movable shaft 28, the fixed gear ring 31 is arranged on the outside of the transmission gear 30 and meshes with the transmission gear 30, and the fixed gear ring 31 is fixed above the sorting tank 8.

[0061] When the transmission shaft 21 rotates, the installation shaft 25 will be driven to rotate through the transmission belt 26, so that the installation shaft 25 drives the connecting disk 23 and the push plate 24 to rotate, and the push plate 24 pushes the product in the sorting tank 8 to move. At the same time, the magnetic adsorption block 27 will adsorb the metal products in the sorting tank 8, so that they fall to the lower surface of the connecting disk 23, and then the waste enters the top of the first discharge pipe 9 and is discharged through the first discharge pipe 9. The adsorbed metal material continues to move with the rotation of the connecting disk 23. When the position of the material and the magnetic adsorption block 27 is offset, the material automatically falls and is discharged outward through the second discharge pipe 10. When the connecting disk 23 rotates, the transmission gear 30 rotates under the meshing action with the fixed gear ring 31, driving the movable shaft 28 and the toggle rod 29 to rotate, providing a toggle stirring effect, which is convenient for metal sorting.

[0062] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0063] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A construction waste recycling device, comprising a recycling treatment box (1) and crushing recovery rollers (3), wherein the crushing recovery rollers (3) are installed in pairs inside the recycling treatment box (1); Features: A feed hopper (5) is arranged above the recycling treatment box (1), and the lower end of the feed hopper (5) is connected to a feeding channel (6), an extrusion block (11) is arranged inside the feeding channel (6), a first return spring (12) is arranged above the extrusion block (11), and the upper end of the first return spring (12) is fixedly connected to the inner wall of the feeding channel (6), a movement control mechanism is arranged above the extrusion block (11), a shielding mechanism is arranged inside the feed hopper (5), and the feed hopper (5) is closed when the extrusion block (11) moves downward, a discharge channel (7) is arranged below the crushing recovery roller (3), and the discharge channel (7) is connected to a sorting trough (8) below, and a waste sorting mechanism is arranged inside the sorting trough (8), and a first discharge pipe (9) and a second discharge pipe (10) for discharging are respectively arranged below the discharge channel (7).

2. The construction waste recycling equipment according to claim 1, characterized in that: A controller (2) is installed on the front side of the recycling box (1), and a driver (4) is provided on the rear side of the recycling box (1). The driver (4) is connected to the crushing recovery roller (3) to control the rotation of the crushing recovery roller (3).

3. The construction waste recycling equipment according to claim 1, characterized in that: The lower surface of the extrusion block (11) is evenly distributed with protrusions (17), and a positioning block (16) is provided below the extrusion block (11). The positioning block (16) is fixed to the inner wall of the feeding channel (6) to limit the maximum downward movement distance of the extrusion block (11).

4. The construction waste recycling equipment according to claim 1, characterized in that: The movement control mechanism comprises a control rope (13), a driving block (14), a reciprocating screw (15) and a driving mechanism, wherein the control rope (13) is fixed above the extrusion block (11), the driving block (14) is arranged inside the recycling and processing box (1) and between the recycling and processing box (1) to form an up-and-down sliding structure, the reciprocating screw (15) penetrates the driving block (14) and forms a threaded connection between the driving block (14), and a rotational connection is formed between the driving block (14) and the recycling and processing box (1), and the driving mechanism and the reciprocating screw (15) are connected to control the movement of the reciprocating screw (15).

5. The construction waste recycling equipment according to claim 4, characterized in that: The driving mechanism comprises a transmission shaft (21) and a motor (22); A transmission shaft (21) is fixed below the reciprocating screw (15); The motor (22) is connected to the transmission shaft (21) to control the rotation of the transmission shaft (21).

6. The construction waste recycling equipment according to claim 1, characterized in that: The shielding mechanism comprises a baffle (18), a second return spring (19) and a connecting block (20); A baffle (18) is arranged inside the feed hopper (5) and between the feed hopper (5) to form an up-and-down sliding structure; A second return spring (19) is arranged above the baffle (18) to provide a downward thrust for the baffle (18); The connecting block (20) is fixed on the right side of the baffle (18), and the connecting block (20) is located above the extrusion block (11).

7. The construction waste recycling equipment according to claim 5, characterized in that: The waste sorting mechanism comprises a connecting plate (23), a pushing plate (24), a first discharge pipe (9), a second discharge pipe (10), a magnetic adsorption block (27) and a transmission mechanism; A connecting plate (23) is arranged above the sorting tank (8); A push plate (24) is fixed below the connecting plate (23) to push the material in the sorting tank (8) to move; A first discharge pipe (9) is arranged below the sorting tank (8); A second discharge pipe (10) is arranged at the front side of the first discharge pipe (9); A magnetic adsorption block (27) is arranged above the connection disk (23) to adsorb the material below the connection disk (23); the second discharge pipe (10) and the magnetic adsorption block (27) are arranged in a staggered manner; The transmission mechanism is connected to the connecting disk (23) to control the rotation of the connecting disk (23).

8. The construction waste recycling equipment according to claim 7, characterized in that: The transmission mechanism comprises a mounting shaft (25) and a transmission belt (26); A mounting shaft (25) is fixed to the middle of the connecting plate (23), and a rotation connection is formed between the mounting shaft (25) and the recycling treatment box (1); The transmission belt (26) is arranged on the outside of the installation shaft (25), and the installation shaft (25) is connected to the transmission shaft (21) through the transmission belt (26).

9. The construction waste recycling equipment according to claim 8, characterized in that: An auxiliary shifting mechanism is provided below the connecting plate (23) to shift the materials in the sorting tank (8).

10. The construction waste recycling equipment according to claim 9, characterized in that: The auxiliary toggle mechanism comprises a movable shaft (28), a toggle rod (29), a transmission gear (30) and a fixed gear ring (31); A movable shaft (28) is rotatably mounted below the connecting plate (23); A toggle rod (29) is fixed on the surface of the movable shaft (28); A transmission gear (30) is fixed above the movable shaft (28); The fixed gear ring (31) is arranged on the outer side of the transmission gear (30) and is meshedly connected with the transmission gear (30), and the fixed gear ring (31) is fixed above the sorting trough (8).

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