Asphalt pavement material recycling device

Abstract

The present invention discloses an asphalt pavement material recycling device, which relates to the field of asphalt pavement material recycling, and includes a main shell, a cover, a first feeding pipe and a second feeding pipe. The cover is arranged above the main shell, and the first feeding pipe is fixed inside the cover, and the second feeding pipe is arranged at the rear side of the first feeding pipe, and asphalt and gravel are added through the first feeding pipe and the second feeding pipe. A mixing drum is arranged inside the main shell, and the mixing drum is located below the first feeding pipe, and a rotation connection is formed between the mixing drum and the main shell, and a feeding pipe is fixed below the mixing drum, and the lower end of the feeding pipe passes through the main shell. The asphalt pavement material recycling device can fully mix and stir the materials through the rotation of the mixing drum and the rotation of the movable shaft, and the selection directions of the mixing drum and the movable shaft are opposite, so the mixing is more efficient, and only one set of power sources is arranged, which reduces the production cost of the device, and the subsequent use is also more energy-saving.

Description

Technical Field

[0001] The invention relates to the technical field of asphalt pavement material recycling, in particular to an asphalt pavement material recycling device. Background Art

[0002] When repairing the asphalt pavement, the damaged asphalt pavement still contains non-renewable gravel. In order to improve the utilization rate of the product, the pavement can be recycled, and the gravel can be separated and mixed with asphalt for reuse, which is more environmentally friendly. During recycling, the asphalt gravel and the mixture can be blended by a stirring device. The application number is CN202120548414.3, and the asphalt mixture recycling and reuse system disclosed on October 1, 2021 includes a mixing drum and a mixing shaft rotatably installed in the mixing drum and vertically arranged. A stirring member for stirring the asphalt mixture is installed on the mixing shaft, and the stirring member includes two first support rods respectively installed on the upper and lower end side walls of the mixing shaft, and a stirring rod rotatably installed between the two first support rods and vertically arranged. A scraper for cleaning the side wall of the mixing drum is installed on the circumferential surface of the mixing shaft, and the scraper includes two second support rods both installed on the side walls of the mixing shaft, and an arc-shaped scraper installed on the two second support rods and vertically arranged, and the outer arc surface of the arc-shaped scraper abuts against the side wall of the mixing drum. The present application has the effect of improving the recovery efficiency of asphalt mixture; the application number is CN202322627231.2, and an asphalt recovery device disclosed on April 16, 2024 includes a recovery component, including a support frame, an insulation cylinder is fixedly provided on the support frame, a main power supply is provided on the outer surface of the insulation cylinder, a heating and stirring cylinder is provided inside the insulation cylinder, an electric heating wire is provided between the heating and stirring cylinder and the insulation cylinder, and the electric heating wire is electrically connected to the main power supply, a filter component, the filter component is arranged on the insulation cylinder, a sealing cover is arranged on the top of the insulation cylinder through a hinge, a handle is provided on the sealing cover, the sealing cover and the top of the heating and stirring cylinder are fitted together, the top of the sealing cover is connected to the box body through a conduit, a water tank cover is provided on the box body, a partition is provided inside the box body, and an exhaust hole is opened on the partition. The present application solves the current solidification problem of asphalt mixture, the bulkiness and application limitations of existing recovery devices, and the problem of harmful smoke emissions during asphalt heating;

[0003] When the current recycling device recycles and mixes asphalt pavement materials, the device generally stirs the mixture by a single stirring method, which has many stirring dead angles. The material located at the edge of the mixing chamber is difficult to be effectively mixed. In addition, different power sources need to be set when achieving different stirring effects, which increases the cost of the device and subsequent energy consumption. In addition, when gravel is added, the particle size of the gravel will affect the overall quality of the mixture due to size deviation. Summary of the invention

[0004] The object of the present invention is to provide an asphalt pavement material recycling device to solve the problem proposed in the above background technology that when the current recycling device recycles and mixes the asphalt pavement material, the device generally stirs the mixture by a single stirring method, and there are many stirring dead angles. The material located at the edge of the mixing chamber is difficult to be effectively mixed. In addition, different power sources need to be set when achieving different stirring effects, which increases the cost of the device and subsequent energy consumption. In addition, when gravel is added, the particle size of the gravel will affect the overall quality of the mixture due to size deviation.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an asphalt pavement material recycling device, comprising a main shell, a cover, a first feeding pipe and a second feeding pipe, wherein the cover is arranged above the main shell, and the first feeding pipe is fixed inside the cover, and the second feeding pipe is arranged at the rear side of the first feeding pipe, and asphalt and gravel are added through the first feeding pipe and the second feeding pipe, a mixing drum is arranged inside the main shell, and the mixing drum is located below the first feeding pipe, and a rotation connection is formed between the mixing drum and the main shell, and a feeding pipe is fixed below the mixing drum, The lower end of the discharge pipe passes through the main shell body, a fixed plate is arranged above the mixing drum, and the fixed plate is fixed inside the main shell body, and a movable shaft is rotatably installed below the fixed plate, a stirring rod is fixed on the surface of the movable shaft, a cleaning plate is arranged on the inner side of the mixing drum, and the upper part of the cleaning plate is connected to the fixed plate, a fixed gear ring is fixed on the surface of the discharge pipe, and a rotary drive mechanism is arranged on the outer side of the fixed gear ring, and the rotary drive mechanism is connected to the movable shaft to control the rotation of the movable shaft, and the movable shaft and the discharge pipe maintain opposite rotation directions under the action of the rotary drive mechanism.

[0006] To further optimize the technical solution, balls are evenly distributed on the outside and bottom of the mixing drum, and the vertical center line of the mixing drum and the vertical center line of the main shell are arranged to coincide with each other.

[0007] Further optimizing the technical solution, the rotary drive mechanism includes a transmission gear, an output shaft, a motor, a connecting shaft and a transmission belt;

[0008] A transmission gear is arranged on the outer side of the fixed gear ring and is meshedly connected with the fixed gear ring;

[0009] The output shaft is fixed in the middle of the transmission gear;

[0010] A motor, fixed to the surface of the main housing and connected to the output shaft to control the rotation of the output shaft;

[0011] A connecting shaft is rotatably mounted inside the main housing;

[0012] The transmission belt is arranged at the upper and lower ends of the connecting shaft. The lower end of the connecting shaft is connected to the output shaft through the transmission belt, and the upper end of the connecting shaft is connected to the movable shaft through the transmission belt.

[0013] To further optimize the technical solution, an auxiliary block is fixed on the inner side of the cleaning plate, and a linkage plate is fixed above the cleaning plate, and an up-and-down sliding structure is formed between the linkage plate and the fixed plate, and a vertical driving mechanism is arranged on the outer side of the linkage plate.

[0014] To further optimize the technical solution, the cleaning plates are arranged symmetrically about the center line of the mixing drum, and a guide rod is fixed above the linkage plate, and the guide rod passes through the fixed plates to form a nested connection.

[0015] To further optimize the technical solution, the vertical driving mechanism includes a first spring, a push rod and a connecting groove;

[0016] A first spring is arranged above the linkage plate to provide a downward thrust for the linkage plate, and a movable shaft passes through the linkage plate and the linkage plates form a nested connection;

[0017] A push rod is arranged below the linkage plate and fixed on the surface of the movable shaft;

[0018] The connecting groove is annularly arranged below the linkage plate, and a sliding connection is formed between the connecting groove and the top rod, and the upper end of the connecting groove is designed with an inclined structure.

[0019] To further optimize the technical solution, a detachable connection is formed between the cover body and the main shell body, and a fixed connection is formed between the cover body and the second feeding tube, and an extension tube is arranged below the second feeding tube, the extension tube and the cover body are fixedly connected, and a sorting mechanism is arranged between the extension tube and the second feeding tube.

[0020] To further optimize the technical solution, the sorting mechanism includes a sorting plate, a second spring, a toggle rod and a pushing mechanism;

[0021] A sorting plate is arranged between the second feeding tube and the extension tube, and a front-to-back sliding structure is formed between the sorting plate and the cover body;

[0022] A second spring is fixed to the rear side of the sorting plate to provide a forward thrust for the sorting plate;

[0023] A toggle rod is fixed inside the second feeding pipe and is located above the sorting plate;

[0024] The pushing mechanism is arranged on the front side of the sorting plate.

[0025] To further optimize the technical solution, the pushing mechanism includes a transmission rod and a movable disk;

[0026] A transmission rod is fixed above the movable shaft;

[0027] The movable disk is fixed above the transmission rod, and the center of the movable disk and the center of the transmission rod are staggered, and the movable disk fits the front side of the sorting plate, and the front side of the sorting plate is designed in an inclined structure.

[0028] Compared with the prior art, the present invention has the following beneficial effects:

[0029] The materials can be fully stirred and mixed by the rotation of the mixing drum and the movable shaft, and the mixing drum and the movable shaft rotate in opposite directions, so the stirring is more efficient, and only one set of power source is set, which reduces the production cost of the device and is more energy-efficient in subsequent use;

[0030] The inner wall of the mixing drum is cleaned by the cleaning plate to prevent material adhesion, and the cleaning plate can fully clean the mixing drum with the rotation of the mixing drum, and the auxiliary block inside the cleaning plate can also play a role in assisting stirring;

[0031] The rotation of the movable shaft can drive the push rod to slide in the connecting groove, and the inclined setting of the connecting groove can reciprocate and push the linkage plate to move, so that the cleaning plate and the auxiliary block can reciprocate up and down, thereby improving the cleaning effect and the stirring effect of the auxiliary block;

[0032] The sorting plate can filter the added gravel particle size to avoid the addition of gravel with too large a particle size, thereby improving the quality of subsequent material mixing. The sorting plate can be moved, and the gravel on the sorting plate can be moved with the toggle lever to improve the sorting efficiency.

[0033] The eccentric rotation of the movable disk can drive the sorting plate to move back and forth, and the power of the movable disk comes from the movable shaft. When the movable shaft rotates, the sorting plate can move automatically, and the contact between the movable disk and the sorting plate does not affect the subsequent disassembly of the cover body, so it is more flexible to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0035] Figure 2 It is a schematic diagram of the top view structure of the present invention;

[0036] Figure 3 It is a schematic diagram of the three-dimensional structure of the cover body of the present invention;

[0037] Figure 4 This is a schematic diagram of the main housing structure viewed from above;

[0038] Figure 5 This is a schematic diagram of the main cross-sectional structure of the main shell of the present invention;

[0039] Figure 6This is a schematic diagram of the main cross-sectional structure of the mixing drum of the present invention;

[0040] Figure 7 This is a schematic diagram of the main cross-sectional structure of the linkage plate of the present invention;

[0041] Figure 8 It is a schematic diagram of the side section structure of the cover body of the present invention;

[0042] Fig. 9 This is a schematic diagram of the top view of the separation plate of the present invention;

[0043] Fig.10 It is a schematic diagram of the side sectional structure of the second feeding tube of the present invention.

[0044] In the figure: 1. main shell; 2. cover body; 3. first feeding pipe; 4. second feeding pipe; 5. mixing drum; 6. feeding pipe; 7. ball bearing; 8. fixed plate; 9. movable shaft; 10. mixing rod; 11. transmission rod; 12. cleaning plate; 13. auxiliary block; 14. fixed gear ring; 15. transmission gear; 16. output shaft; 17. motor; 18. connecting shaft; 19. transmission belt; 20. linkage plate; 21. guide rod; 22. first spring; 23. ejector rod; 24. connecting groove; 25. extension tube; 26. sorting plate; 27. second spring; 28. movable disk; 29. ​​toggle rod. DETAILED DESCRIPTION

[0045] 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.

[0046] See also Figure 1-Figure 10 The present invention provides the following technical solution: an asphalt pavement material recycling device, comprising a main body 1, a cover body 2, a first feeding pipe 3 and a second feeding pipe 4, the cover body 2 is arranged above the main body 1, and the first feeding pipe 3 is fixed inside the cover body 2, and the second feeding pipe 4 is arranged at the rear side of the first feeding pipe 3, and asphalt and crushed stone are added through the first feeding pipe 3 and the second feeding pipe 4; Embodiment 1

[0047] The invention provides a technical solution, which discloses that a mixing drum 5 is arranged inside a main shell 1, and the mixing drum 5 is located below a first feeding pipe 3, and a rotation connection is formed between the mixing drum 5 and the main shell 1, a feeding pipe 6 is fixed below the mixing drum 5, and the lower end of the feeding pipe 6 passes through the main shell 1, a fixing plate 8 is arranged above the mixing drum 5, and the fixing plate 8 is fixed inside the main shell 1, and a movable shaft 9 is rotatably installed below the fixing plate 8, and a mixing rod 10 is fixed on the surface of the movable shaft 9, a cleaning plate 12 is arranged on the inner side of the mixing drum 5, and the upper part of the cleaning plate 12 is connected to the fixing plate 8, a fixed gear ring 14 is fixed on the surface of the feeding pipe 6, and a rotation drive mechanism is arranged on the outer side of the fixed gear ring 14, and the rotation drive mechanism is connected to the movable shaft 9 to control the rotation of the movable shaft 9, and the movable shaft 9 and the feeding pipe 6 maintain opposite rotation directions under the action of the rotation drive mechanism, and balls 7 are evenly distributed on the outer side and the lower side of the mixing drum 5, and the vertical center line of the mixing drum 5 and the vertical center line of the main shell 1 are arranged to coincide with each other;

[0048] When in use, the recycled crushed stone particles can be added to the interior of the mixing drum 5 through the second feeding pipe 4, and the mixed material can be added to the interior of the mixing drum 5 through the first feeding pipe 3 to mix them. During mixing, the mixing drum 5 can be driven to rotate by the rotary drive mechanism, and at the same time, the movable shaft 9 drives the stirring rod 10 to rotate, and the rotation direction of the stirring rod 10 is opposite to that of the mixing drum 5. The ball 7 can reduce the friction force of the mixing drum 5 during rotation. When the mixing drum 5 rotates, the cleaning plate 12 will clean its inner wall to reduce the adhesion of the mixed material so that it can be better mixed, and the auxiliary block 13 on the inner side of the cleaning plate 12 can also have a stirring effect on the material. Embodiment 2

[0049] On the basis of the first embodiment, a rotary drive mechanism is disclosed, which includes a transmission gear 15, an output shaft 16, a motor 17, a connecting shaft 18 and a transmission belt 19. The transmission gear 15 is arranged on the outer side of the fixed gear ring 14 and is meshed with the fixed gear ring 14. The output shaft 16 is fixed to the middle of the transmission gear 15. The motor 17 is fixed to the surface of the main housing 1 and is connected to the output shaft 16 to control the rotation of the output shaft 16. The connecting shaft 18 is rotatably installed inside the main housing 1. The transmission belt 19 is arranged at the upper and lower ends of the connecting shaft 18. The lower end of the connecting shaft 18 is connected to the output shaft 16 through the transmission belt 19, and the upper end of the connecting shaft 18 is connected to the movable shaft 9 through the transmission belt 19. An auxiliary block 13 is fixed to the inner side of the cleaning plate 12, and a linkage plate 20 is fixed above the cleaning plate 12, and the linkage plate 20 and the fixed An up-and-down sliding structure is formed between the fixed plates 8, a vertical driving mechanism is provided on the outer side of the linkage plate 20, the cleaning plate 12 is symmetrically arranged about the center line of the mixing drum 5, and a guide rod 21 is fixed above the linkage plate 20, the guide rod 21 penetrates the fixed plate 8 and the fixed plate 8 to form a nested connection, the vertical driving mechanism includes a first spring 22, a push rod 23 and a connecting groove 24, the first spring 22 is arranged above the linkage plate 20 to provide a downward thrust for the linkage plate 20, the movable shaft 9 penetrates the linkage plate 20 and the linkage plate 20 to form a nested connection, the push rod 23 is arranged below the linkage plate 20, and the push rod 23 is fixed on the surface of the movable shaft 9, the connecting groove 24 is annularly opened below the linkage plate 20, and a sliding connection is formed between the connecting groove 24 and the push rod 23, and the upper end of the connecting groove 24 is designed in an inclined structure;

[0050] When the mixing drum 5 is controlled to rotate, the motor 17 can be started to drive the output shaft 16 and the transmission gear 15 to rotate. The transmission gear 15 drives the fixed gear ring 14 to rotate by meshing with the fixed gear ring 14. The fixed gear ring 14 drives the mixing drum 5 to rotate through the discharge pipe 6. At the same time, the output shaft 16 drives the connecting shaft 18 to rotate through the transmission belt 19. The connecting shaft 18 also drives the movable shaft 9 to rotate through the transmission belt 19. The movable shaft 9 will drive the mixing rod 10 to rotate. At the same time, when the movable shaft 9 rotates, it will drive the push rod 23 to slide in the connecting groove 24. The connecting groove 24 is tilted inside, and the downward thrust of the first spring 22 is used to make the push rod 23 rotate to drive the linkage plate 20 to reciprocate up and down, thereby driving the cleaning plate 12 and the auxiliary block 13 to move, thereby improving the cleaning and stirring effects. Embodiment 3

[0051] On the basis of the first embodiment, it is disclosed that the cover body 2 and the main shell 1 are detachably connected, and the cover body 2 and the second feeding tube 4 are fixedly connected, and an extension tube 25 is arranged below the second feeding tube 4, the extension tube 25 and the cover body 2 are fixedly connected, and a sorting mechanism is arranged between the extension tube 25 and the second feeding tube 4, the sorting mechanism includes a sorting plate 26, a second spring 27, a toggle rod 29 and a pushing mechanism, the sorting plate 26 is arranged between the second feeding tube 4 and the extension tube 25, and a front-to-back sliding structure is formed between the sorting plate 26 and the cover body 2, the second spring 27, The push rod 29 is fixed on the rear side of the sorting plate 26 to provide a forward thrust for the sorting plate 26. The push rod 29 is fixed inside the second feeding tube 4, and the push rod 29 is located above the sorting plate 26. The push mechanism is arranged on the front side of the sorting plate 26. The push mechanism includes a transmission rod 11 and a movable disk 28. The transmission rod 11 is fixed above the movable shaft 9. The movable disk 28 is fixed above the transmission rod 11. The center of the movable disk 28 and the center of the transmission rod 11 are staggered, and the movable disk 28 fits the front side of the sorting plate 26. The front side of the sorting plate 26 is designed in an inclined structure.

[0052] When gravel is added through the second feeding pipe 4, the sorting plate 26 can screen the gravel. During the screening process, the movable shaft 9 will drive the movable disk 28 to rotate eccentrically through the transmission rod 11, so that the movable disk 28 intermittently squeezes the sorting plate 26, and cooperates with the second spring 27 to make the sorting plate 26 reciprocate. At the same time, when the sorting plate 26 moves, the toggle rod 29 is located above the sorting plate 26 to toggle the material above the sorting plate 26 to improve the sorting efficiency. After subsequent use, the cover body 2 can also be removed from the main shell 1 to allow the mixing drum 5 to leak out. At the same time, the movable disk 28 is detached from the connection with the sorting plate 26, which is convenient for subsequent inspection and maintenance of its interior.

[0053] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0054] 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. An asphalt pavement material recycling device, comprising a main housing (1), a cover (2), a first feeding pipe (3) and a second feeding pipe (4), wherein the cover (2) is arranged above the main housing (1), the first feeding pipe (3) is fixed inside the cover (2), and the second feeding pipe (4) is arranged at the rear side of the first feeding pipe (3), and asphalt and crushed stone are added through the first feeding pipe (3) and the second feeding pipe (4); Features: A mixing drum (5) is arranged inside the main shell (1), and the mixing drum (5) is located below the first feeding pipe (3), and a rotational connection is formed between the mixing drum (5) and the main shell (1), a feeding pipe (6) is fixed below the mixing drum (5), and the lower end of the feeding pipe (6) passes through the main shell (1), a fixing plate (8) is arranged above the mixing drum (5), and the fixing plate (8) is fixed inside the main shell (1), and a movable shaft (9) is rotatably installed below the fixing plate (8), and the mixing drum (5) is provided with a fixing plate (8) ... A stirring rod (10) is fixed on the surface of the movable shaft (9); a cleaning plate (12) is provided on the inner side of the stirring drum (5); the upper side of the cleaning plate (12) is connected to the fixed plate (8); a fixed gear ring (14) is fixed on the surface of the discharge pipe (6); a rotary drive mechanism is provided on the outer side of the fixed gear ring (14); the rotary drive mechanism is connected to the movable shaft (9) to control the rotation of the movable shaft (9); the movable shaft (9) and the discharge pipe (6) maintain opposite rotation directions under the action of the rotary drive mechanism; The rotary drive mechanism comprises a transmission gear (15), an output shaft (16), a motor (17), a connecting shaft (18) and a transmission belt (19); A transmission gear (15) is arranged on the outside of the fixed gear ring (14) and is meshedly connected with the fixed gear ring (14); An output shaft (16) is fixed to the middle of the transmission gear (15); A motor (17) is fixed to the surface of the main housing (1) and connected to the output shaft (16) to control the rotation of the output shaft (16); A connecting shaft (18) rotatably mounted inside the main housing (1); A transmission belt (19) is arranged at the upper and lower ends of the connecting shaft (18); the lower end of the connecting shaft (18) is connected to the output shaft (16) through the transmission belt (19); and the upper end of the connecting shaft (18) is connected to the movable shaft (9) through the transmission belt (19); An auxiliary block (13) is fixed on the inner side of the cleaning plate (12), and a linkage plate (20) is fixed above the cleaning plate (12), and an up-and-down sliding structure is formed between the linkage plate (20) and the fixed plate (8), and a vertical driving mechanism is arranged on the outer side of the linkage plate (20); The cleaning plates (12) are arranged symmetrically with respect to the center line of the mixing drum (5), and a guide rod (21) is fixed above the linkage plate (20), and the guide rod (21) passes through the fixed plates (8) and forms a nested connection between the fixed plates (8); The vertical driving mechanism comprises a first spring (22), a push rod (23) and a connecting groove (24); A first spring (22) is arranged above the linkage plate (20) to provide a downward thrust for the linkage plate (20), and the movable shaft (9) penetrates the linkage plate (20) and forms a nested connection between the linkage plates (20); A push rod (23) is arranged below the linkage plate (20), and the push rod (23) is fixed on the surface of the movable shaft (9); The connecting groove (24) is annularly provided below the linkage plate (20), and a sliding connection is formed between the connecting groove (24) and the top rod (23), and the upper end of the connecting groove (24) is designed to be inclined; The cover body (2) and the main shell (1) are detachably connected, and the cover body (2) and the second feeding tube (4) are fixedly connected, and an extension tube (25) is provided below the second feeding tube (4), the extension tube (25) and the cover body (2) are fixedly connected, and a sorting mechanism is provided between the extension tube (25) and the second feeding tube (4); The sorting mechanism comprises a sorting plate (26), a second spring (27), a toggle rod (29) and a pushing mechanism; A sorting plate (26) is arranged between the second feeding tube (4) and the extension tube (25), and a front-to-rear sliding structure is formed between the sorting plate (26) and the cover body (2); A second spring (27) is fixed to the rear side of the sorting plate (26) to provide a forward thrust for the sorting plate (26); A toggle rod (29) is fixed inside the second feeding pipe (4), and the toggle rod (29) is located above the sorting plate (26); The pushing mechanism is arranged on the front side of the sorting plate (26).

2. The asphalt pavement material recycling device according to claim 1, characterized in that: Balls (7) are evenly distributed on the outside and bottom of the mixing drum (5), and the vertical center line of the mixing drum (5) and the vertical center line of the main shell (1) are arranged to overlap with each other.

3. The asphalt pavement material recycling device according to claim 1, characterized in that: The pushing mechanism comprises a transmission rod (11) and a movable plate (28); A transmission rod (11) is fixed above the movable shaft (9); The movable disk (28) is fixed above the transmission rod (11), and the center of the movable disk (28) and the center of the transmission rod (11) are staggered, and the movable disk (28) and the front side of the sorting plate (26) are in contact with each other, and the front side of the sorting plate (26) is designed to be inclined.

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