Regenerated stone sorting device convenient to adjust

Abstract

The utility model discloses a regenerated stone sorting device convenient to adjust, which comprises a shell, a first screen mesh is arranged in the shell, a second screen mesh is arranged below the first screen mesh, a material guide plate is arranged below the second screen mesh, an adjusting device is arranged above the material guide plate, and the adjusting device is arranged above the material guide plate. The adjusting device comprises a base, a first connecting rod, a threaded block, a double-end threaded rod, a second connecting rod, a push plate, a handle and a rotating wheel. According to the regenerated stone sorting device convenient to adjust, through cooperation of the base, the threaded block, the double-end threaded rod, a second connecting rod, a push plate, a handle and a rotating wheel, the effect that the angle of a screen can be adjusted when the angle of the screen of the regenerated stone sorting device needs to be adjusted is achieved, and the practicability is high. The problems that the angle of a screen of an existing regenerated stone sorting device cannot be adjusted, consequently, the sorting efficiency is low, the equipment operation time is prolonged, and the energy consumption cost is increased are solved.

Description

Technical Field

[0001] This utility model relates to the technical field of recycled stone sorting equipment, specifically a recycled stone sorting device that is easy to adjust. Background Technology

[0002] Recycled concrete refers to new concrete made by crushing, cleaning, and grading waste concrete blocks, mixing them with graded aggregates in a certain proportion, partially or completely replacing natural aggregates such as sand and gravel, and then adding cement, water, etc.

[0003] Existing recycled stone sorting devices use screens with different aperture sizes. Small stones pass through the screens, while large stones remain on the screens, thus achieving sorting by particle size.

[0004] However, the angle of the screen in the existing recycled stone sorting device cannot be adjusted. Recycled stones of different sizes move in a relatively simple manner on the screen with a fixed angle, making it difficult to achieve efficient stratification and rapid passage through the screen holes. This results in low sorting efficiency and increases equipment operating time and energy costs. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides an easily adjustable recycled stone sorting device. It solves the problem that the screen angle of existing recycled stone sorting devices cannot be adjusted, and the movement of recycled stones of different sizes on a screen with a fixed angle is relatively simple, making it difficult to achieve efficient stratification and rapid passage through the screen holes. This results in low sorting efficiency and increases equipment operating time and energy costs.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an easily adjustable recycled stone sorting device, comprising a housing, a first screen disposed inside the housing, a second screen disposed below the first screen, a guide plate disposed below the second screen, and an adjusting device disposed above the guide plate. The adjusting device includes a base, a first connecting rod, a threaded block, a double-ended threaded rod, a second connecting rod, a push plate, a handle, and a rotating wheel. The base is fixedly connected to the bottom of the inner wall of the housing, and both sides of the top of the base are rotatably connected via pins. The device has a first connecting rod, a push plate above the base, and a second connecting rod rotatably connected to both sides of the bottom of the push plate via pins. Threaded blocks are provided on both sides between the base and the push plate. The front and back of the threaded blocks are rotatably connected to the threaded blocks and the second connecting rods respectively via pins. A double-ended threaded rod is provided between the base and the push plate, which is threaded to the two threaded blocks respectively. The push plate is attached to the bottom of the guide plate. A wheel is fixedly connected to the end of the double-ended threaded rod away from the first connecting rod, and a handle is fixedly connected to the side of the wheel away from the double-ended threaded rod.

[0007] Preferably, the storage box is fixedly connected to the outer wall of the housing on the side away from the handle, a filter screen is installed on the side wall of the storage box away from the inner wall of the housing, and a fan is fixedly connected to the other side of the filter screen. A sliding door is hinged to the front of the storage box, and an air intake is connected to the top of the storage box. The other end of the air intake is connected to the side of the housing near the storage box, and a fan is provided on the side of the air intake away from the fan. The fan is embedded in the side wall of the housing.

[0008] Preferably, an inner rod is fixedly connected to the bottom of the guide plate, an outer rod is sleeved on the bottom of the inner rod, the outer rod is fixedly connected to the bottom of the inner wall of the housing, and a support rod is fixedly connected to the top of the guide plate near the electric push rod, the top of the support rod is attached to the bottom of the second screen.

[0009] Preferably, a first motor is fixedly connected to the outer wall of the housing near the storage box via a motor sleeve. A frequency converter is fixedly connected to the outer wall of the housing below the first motor. A disc is fixedly connected to the output end of the first motor. A first column is rotatably connected to the disc near the housing via a bearing. A first crossbar is movably connected to the top of the first column. A second column is rotatably connected to the other end of the first crossbar via a bearing. A cross plate is movably connected to the top of the second column. The cross plate is fixedly connected to the end of the first screen away from the first motor.

[0010] Preferably, a guide plate is fixedly connected to the inner wall of the housing above the horizontal plate, a second horizontal bar is fixedly connected to the end of the first screen away from the horizontal plate, the second horizontal bar passes through the housing and is movably connected to the housing, a discharge port is provided below the second horizontal bar, the discharge port passes through the housing and is fixedly connected to the housing, a support base is fixedly connected to the bottom of the discharge port, and the side of the support base away from the horizontal plate is fixedly connected to the inner wall of the housing.

[0011] Preferably, the top of the housing is connected to a feed inlet, and the top of the feed inlet is hinged to a cover plate. Beneficial effects

[0012] This utility model provides an easily adjustable recycled stone sorting device. It offers the following advantages: This easily adjustable recycled stone sorting device, through the cooperation of a base, a first connecting rod, a threaded block, a double-ended threaded rod, a second connecting rod, a push plate, a handle, and a rotating wheel, achieves the effect of adjusting the screen angle when the handle drives the first connecting rod up and down, the second connecting rod drives the push plate, and the push plate drives the screen up and down. This solves the problem of existing recycled stone sorting devices where the screen angle cannot be adjusted, and the movement of recycled stones of different sizes on a screen with a fixed angle is relatively monotonous, making it difficult to achieve efficient stratification and rapid passage through the screen holes, resulting in low sorting efficiency and increased equipment operating time and energy costs.

[0013] By coordinating the storage box, filter, fan, sliding door, air intake, and air fan, the system achieves the following: the filter prevents recycled stone dust from damaging the fan; the fan blows the recycled stone dust to the vicinity of the air intake; and the fan drives the air intake to absorb the recycled stone dust into the storage box. This solves the problem that existing recycled stone sorting devices cannot collect the recycled stone dust generated during the sorting process. The dust will diffuse in the air, reduce air quality, and pollute the surrounding atmospheric environment. Furthermore, the inability to collect recycled stone dust, which can be used as raw material for other building materials, will result in resource waste. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 for Figure 1 An exterior schematic diagram;

[0016] Figure 3 for Figure 1 A structural schematic diagram of the first column, the first crossbar, and the second column;

[0017] Figure 4 This is a structural diagram of the first connecting rod, the double-threaded rod, and the second connecting rod.

[0018] In the diagram: 1. Shell; 2. First screen; 3. Second screen; 4. Guide plate; 5. First motor; 6. Disc; 7. First column; 8. First crossbar; 9. Second column; 10. Horizontal plate; 11. Guide plate; 12. Second crossbar; 13. Discharge port; 14. Support base; 15. Frequency converter; 16. Storage tank; 17. Filter screen; 18. Fan; 19. Sliding door; 20. Air intake; 21. Fan; 22. Inner rod; 23. Base; 24. First connecting rod; 25. Threaded block; 26. Double-ended threaded rod; 27. Second connecting rod; 28. Push plate; 29. ​​Handle; 30. Rotary wheel; 31. Support rod; 32. Outer rod; 33. Feed port; 34. Cover plate. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] The existing recycled stone sorting device cannot adjust the angle of the screen. Recycled stones of different sizes move in a relatively simple manner on the screen with a fixed angle, making it difficult to achieve efficient stratification and rapid passage through the screen holes. This results in low sorting efficiency and increases equipment operating time and energy costs.

[0021] In view of this, the present invention provides an easily adjustable recycled stone sorting device. This easily adjustable recycled stone sorting device, through the cooperation between the base, the first connecting rod, the threaded block, the double-ended threaded rod, the second connecting rod, the push plate, the handle, and the rotating wheel, achieves the effect of adjusting the screen angle when the screen angle of the recycled stone sorting device needs to be adjusted. The handle drives the first connecting rod to move up and down, the second connecting rod drives the push plate to move, and the push plate drives the screen to move up and down, thereby adjusting the screen angle. This solves the problem that the screen angle of existing recycled stone sorting devices cannot be adjusted, and the movement state of recycled stones of different sizes on a screen with a fixed angle is relatively simple, making it difficult to achieve efficient stratification and rapid passage through the screen holes, resulting in low sorting efficiency and increased equipment operating time and energy consumption costs.

[0022] Those skilled in the art can connect the components in this case sequentially. The specific connection and operation sequence should refer to the working principle below. The detailed connection methods are well-known technologies in the field. The working principle and process are mainly introduced below.

[0023] Example 1, by Figure 1-4As can be seen, the easily adjustable recycled stone sorting device in this case includes a housing 1. A first screen 2 is disposed inside the housing 1, and a second screen 3 is disposed below the first screen 2. A guide plate 4 is disposed below the second screen 3. Recycled stones first enter the first screen 2. Recycled stones larger than the mesh size of the first screen 2 are intercepted, while recycled stones smaller than the mesh size pass through the first screen 2 and fall onto the second screen 3. Recycled stones smaller than the mesh size of the second screen 3 pass through the second screen 3 and fall onto the guide plate 4. The second screen 3 and the guide plate 4 extend to the outside of the housing 1 through openings, and the second screen 3 is hinged to the inner wall of the housing 1. An adjustment device is disposed below the guide plate 4. When it is necessary to adjust the angle of the screen, the adjustment device adjusts the screen. The adjustment device includes a base 23, a first connecting rod 24, a threaded block 25, a double-ended threaded rod 26, a second connecting rod 27, a push plate 28, a handle 29, and a rotating wheel 30. The base 23 is fixedly connected to the bottom of the inner wall of the housing 1. The top two sides of the base 23 are rotatably connected to the first connecting rod 24 through pins. When it is necessary to adjust the screen angle, a door is hinged to the outer wall of the housing 1 at the position corresponding to the handle 29. The operator first opens the door and turns the handle 29 by hand. The handle 29 drives the double-ended threaded rod 26 to rotate. The double-ended threaded rod 26 drives the threaded block 25 to move. The threaded block 25 drives the second connecting rod 27 and the first connecting rod 24 to move relative to each other. The second connecting rod 27 drives the push plate 28 to move. The push plate 28 presses the guide plate 4 to move.

[0024] In the specific implementation process, it is worth noting that the recycled stones first enter the first screen 2. Recycled stones larger than the screen holes of the first screen 2 are intercepted, while recycled stones smaller than the screen holes of the first screen 2 pass through the first screen 2 and fall onto the second screen 3. Recycled stones smaller than the screen holes of the second screen 3 pass through the second screen 3 and fall onto the guide plate 4. When it is necessary to adjust the angle of the screen, there is a door on the outer wall of the housing 1 corresponding to the position of the handle 29, which is hinged by the hinge. The worker first opens the door and turns the handle 29 by hand. The handle 29 drives the double-headed threaded rod 26 to rotate. The double-headed threaded rod 26 drives the threaded block 25 to move. The threaded block 25 drives the second connecting rod 27 and the first connecting rod 24 to move relative to each other. The second connecting rod 27 drives the push plate 28 to move. The push plate 28 presses the guide plate 4 to move, thereby realizing the adjustment of the height of the guide plate 4.

[0025] Furthermore, a recycling device is provided below the first screen 2. When dust is generated, the recycling device recycles and reuses the recycled stone dust. The recycling device includes a storage box 16, a filter 17, a fan 18, a sliding door 19, an air intake 20, and a fan 21. The storage box 16 is fixedly connected to the outer wall of the housing 1 on the side away from the handle 29. The storage box 16 stores the dust. The filter 17 is installed on the side wall of the storage box 16 away from the inner wall of the housing 1. The fan 18 is fixedly connected to the other side of the filter 17. The model of the fan 18 is selected according to actual needs, as long as it meets the working requirements. The filter 17 prevents dust from entering the fan 18 and causing damage to the fan 18. Damage, the front of the storage box 16 is hinged with a sliding door 19. When the storage box 16 is full, the staff opens the sliding door 19 to uniformly process the recycled stone dust in the storage box 16. The top of the storage box 16 is connected to the air intake 20. The other end of the air intake 20 is connected to the side of the shell 1 near the storage box 16. A fan 21 is set on the side of the air intake 20 away from the blower 18. The fan 21 is embedded in the side wall of the shell 1. The fan 21 blows the recycled stone dust to the side near the air intake 20. The blower 18 drives the air intake 20 to generate suction, which absorbs the dust into the storage box 16. After completion, the blower 18 and the fan 21 are turned off.

[0026] In the specific implementation process, it is worth noting that when dust is generated, the recycling device recycles and reuses the recycled stone dust. The storage box 16 stores the dust, and the filter screen 17 prevents the dust from entering the fan 18 and causing damage to the fan 18. When the storage box 16 is full, the staff opens the sliding door 19 to uniformly process the recycled stone dust in the storage box 16. The fan 21 blows the recycled stone dust to the side near the air intake 20. The fan 18 drives the air intake 20 to generate suction, which absorbs the dust into the storage box 16. After completion, the fan 18 and the fan 21 are turned off, thus realizing the recycling of recycled stone dust.

[0027] Furthermore, an inner rod 32 is fixedly connected to the bottom of the guide plate 4, and an outer rod 22 is sleeved on the bottom of the inner rod 32. The outer rod 22 is fixedly connected to the bottom of the inner wall of the base 1. A support rod 31 is fixedly connected to the top of the guide plate 4 on the side away from the handle 29. The top of the support rod 31 is in contact with the bottom of the second screen 3. The top of the support rod 31 is round to reduce the friction between the second screen 3 and the support rod 31. The support rod 31 supports the second screen 3. The movement of the support rod 31 drives the second screen 3 to move.

[0028] In the specific implementation process, it is worth noting that the guide plate 4 drives the slider 32 to slide in the limiting groove on the inner wall of the housing 1. The top of the support rod 31 is round, which reduces the friction between the second screen 3 and the support rod 31. The support rod 31 supports the second screen 3. The movement of the support rod 31 drives the second screen 3 to move, thus realizing the synchronous movement of the second screen 3 and the guide plate 4.

[0029] Specifically, recycled stones first enter the first screen 2. Stones larger than the screen openings of the first screen 2 are intercepted, while stones smaller than the screen openings pass through the first screen 2 and fall onto the second screen 3. Stones smaller than the screen openings of the second screen 3 pass through the second screen 3 and fall onto the guide plate 4. When the screen angle needs to be adjusted, a door is hinged to the outer wall of the housing 1 at the position corresponding to the handle 29. The operator first opens the door and manually turns the handle 29. The handle 29 drives the double-ended threaded rod 26 to rotate, which in turn moves the threaded block 25. The threaded block 25 then moves the second connecting rod 27 relative to the first connecting rod 24. 27 drives the push plate 28 to move, and the push plate 28 squeezes the guide plate 4 to move. The top of the support rod 31 is round, which reduces the friction between the second screen 3 and the support rod 31. The support rod 31 supports the second screen 3. The movement of the support rod 31 drives the second screen 3 to move. After completion, the handle 29 is closed. When dust is generated, the fan 21 blows the recycled stone dust to the side near the air intake 20. The blower 18 drives the air intake 20 to generate suction, which absorbs the dust into the storage box 16. After completion, the blower 18 and the fan 21 are turned off. When the storage box 16 is full, the staff opens the sliding door 19 to uniformly process the recycled stone dust in the storage box 16.

[0030] Example 2, by Figure 1-4 It can be seen that a first motor 5 is fixedly connected to the outer wall of the shell 1 near the storage box 16 via a motor sleeve. The model of the first motor 5 is selected according to actual needs, as long as it meets the working requirements. First, the first motor 5 is connected to an external power supply. A frequency converter 15 is fixedly connected to the outer wall of the shell 1 below the first motor 5. The frequency converter 15 adjusts the rotational magnetic field speed of the first motor 5 by changing the frequency and voltage of the output power supply, thereby achieving precise control of the speed of the first motor 5. A disc 6 is fixedly connected to the output end of the first motor 5. The first motor 5 drives the disc 6 to rotate. A first column 7 is rotatably connected to the side of the disc 6 near the shell 1 via a bearing. The disc 6 drives the first column 7 to rotate. A first crossbar 8 is movably connected to the top of the first column 7. The first column 7 drives the first crossbar 8 to move left and right. A second column 9 is rotatably connected to the other end of the first crossbar 8 via a bearing. A cross plate 10 is movably connected to the top of the second column 9. The first crossbar 8 drives the cross plate 10 to move left and right. The cross plate 10 is fixedly connected to the end of the first screen 2 away from the first motor 5.

[0031] In the specific implementation process, it is worth noting that when it is necessary to sort the recycled stones, the first motor 5 is first connected to an external power supply. The frequency converter 15 adjusts the rotational magnetic field speed of the first motor 5 by changing the frequency and voltage of the output power supply, thereby achieving precise control of the rotational speed of the first motor 5. The first motor 5 drives the disc 6 to rotate, the disc 6 drives the first column 7 to rotate, the first column 7 drives the first crossbar 8 to move left and right, and the first crossbar 8 drives the cross plate 10 to move left and right, thus realizing the left and right movement of the first screen 2.

[0032] Furthermore, a guide plate 11 is fixedly connected to the inner wall of the housing 1 above the horizontal plate 10. The guide plate 11 guides the recycled stones to fall onto the first screen 2. A second crossbar 12 is fixedly connected to the end of the first screen 2 away from the horizontal plate 10. The second crossbar 12 passes through the housing 1 and is movably connected to the housing 1. The movement of the first screen 2 drives the second crossbar 12 to move on the inner wall of the housing 1. A discharge port 13 is provided below the second crossbar 12. The discharge port 13 passes through the housing 1 and is fixedly connected to the housing 1. A support base 14 is fixedly connected to the bottom of the discharge port 13. The side of the support base 14 away from the horizontal plate 10 is fixedly connected to the inner wall of the housing 1. The support base 14 provides support for the discharge port 13. The recycled stones screened by the first screen 2 leave the sorting device through the discharge port 13.

[0033] In the specific implementation process, it is worth noting that the guide plate 11 guides the recycled stones to fall on the first screen 2. The movement of the first screen 2 drives the second crossbar 12 to move on the inner wall of the housing 1. The support seat 14 provides support for the discharge port 13. The recycled stones screened by the first screen 2 leave the sorting device through the discharge port 13, thus realizing the discharge of the first screen 2.

[0034] Furthermore, the top of the shell 1 is connected to the feed inlet 33, and the top of the feed inlet 33 is hinged to the cover plate 34. The cover plate 34 prevents the recycled stone dust from drifting out of the sorting device. When sorting the recycled stones, the staff first opens the cover plate 34 and puts the recycled stones into the sorting device through the feed inlet 33.

[0035] In the specific implementation process, it is worth noting that the cover plate 34 prevents the dust of recycled stones from drifting out of the sorting device. When sorting recycled stones, the staff first open the cover plate 34 and put the recycled stones into the sorting device through the feed port 33, thus realizing the feeding of the sorting device.

[0036] Specifically, when sorting recycled stones, the operator first opens the cover plate 34 and lets the recycled stones enter the sorting device through the feed port 33. The guide plate 11 guides the recycled stones onto the first screen 2. The movement of the first screen 2 drives the second crossbar 12 to move on the inner wall of the housing 1. The first motor 5 is connected to an external power supply. The frequency converter 15 adjusts the rotational magnetic field speed of the first motor 5 by changing the frequency and voltage of the output power supply, thereby achieving precise control of the speed of the first motor 5. The first motor 5 drives the disc 6 to rotate, the disc 6 drives the first column 7 to rotate, the first column 7 drives the first crossbar 8 to move left and right, the first crossbar 8 drives the cross plate 10 to move left and right, and the support seat 14 provides support for the discharge port 13. The recycled stones that have been screened by the first screen 2 leave the sorting device through the discharge port 13.

[0037] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, the phrase "comprising an element defined as..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0038] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0039] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An easily adjustable recycled stone sorting device, comprising a housing (1), characterized in that: The housing (1) is provided with a first screen (2) inside, a second screen (3) is provided below the first screen (2), a guide plate (4) is provided below the second screen (3), the second screen (3) and the guide plate (4) extend to the outside of the housing (1) through an opening, and the second screen (3) is hinged to the inner wall of the housing (1). An adjustment device is provided below the guide plate (4). The adjustment device includes a base (23), a first connecting rod (24), a threaded block (25), a double-ended threaded rod (26), a second connecting rod (27), a push plate (28), a handle (29), and a rotating wheel (30). The base (23) is fixedly connected to the bottom of the inner wall of the housing (1). The top two sides of the base (23) are rotatably connected to the first connecting rod (24) by a pin. The base (23) is provided with a push plate (28) above it. The bottom two sides of the push plate (28) are rotatably connected to the second connecting rod (27) by a pin. Threaded blocks (25) are provided on both sides between the base (23) and the push plate (28). The front and back sides of the threaded blocks (25) are rotatably connected to the threaded blocks (25) and the second connecting rod (27) by pins respectively. A double-headed threaded rod (26) is provided between the base (23) and the push plate (28) and is threadedly connected to the two threaded blocks (25) respectively. The push plate (28) is attached to the bottom of the guide plate (4). A rotating wheel (30) is fixedly connected to the end of the double-headed threaded rod (26) away from the first connecting rod (24). A handle (29) is fixedly connected to the side of the rotating wheel (30) away from the double-headed threaded rod (26).

2. The easily adjustable recycled stone sorting device according to claim 1, characterized in that: A recycling device is provided below the first screen (2); The recycling device includes a storage tank (16), a filter (17), a blower (18), a sliding door (19), an air intake (20), and a fan (21). The storage box (16) is fixedly connected to the outer wall of the housing (1) on the side away from the handle (29). A filter screen (17) is installed on the side wall of the storage box (16) away from the inner wall of the housing (1). A fan (18) is fixedly connected to the other side of the filter screen (17). A sliding door (19) is hinged to the front of the storage box (16). An air intake (20) is connected to the top of the storage box (16). The other end of the air intake (20) is connected to the side of the housing (1) near the storage box (16). A fan (21) is provided on the side of the air intake (20) away from the fan (18). The fan (21) is embedded in the side wall of the housing (1).

3. The easily adjustable recycled stone sorting device according to claim 1, characterized in that: The bottom of the guide plate (4) is fixedly connected to an inner rod (32), and the bottom of the inner rod (32) is sleeved with an outer rod (22). The outer rod (22) is fixedly connected to the bottom of the inner wall of the housing (1). The top of the guide plate (4) away from the handle (29) is fixedly connected to a support rod (31), and the top of the support rod (31) is attached to the bottom of the second screen (3).

4. The easily adjustable recycled stone sorting device according to claim 2, characterized in that: A first motor (5) is fixedly connected to the outer wall of the housing (1) near the storage box (16) via a motor sleeve. A frequency converter (15) is fixedly connected to the outer wall of the housing (1) below the first motor (5). A disc (6) is fixedly connected to the output end of the first motor (5). A first column (7) is rotatably connected to the side of the disc (6) near the housing (1) via a bearing. A first crossbar (8) is movably connected to the top of the first column (7). A second column (9) is rotatably connected to the other end of the first crossbar (8) via a bearing. A cross plate (10) is movably connected to the top of the second column (9). The cross plate (10) is fixedly connected to the end of the first screen (2) away from the first motor (5).

5. The easily adjustable recycled stone sorting device according to claim 4, characterized in that: A guide plate (11) is fixedly connected to the inner wall of the housing (1) above the horizontal plate (10). A second horizontal bar (12) is fixedly connected to the end of the first screen (2) away from the horizontal plate (10). The second horizontal bar (12) passes through the housing (1) and is movably connected to the housing (1). A discharge port (13) is provided below the second horizontal bar (12). The discharge port (13) passes through the housing (1) and is fixedly connected to the housing (1). A support base (14) is fixedly connected to the bottom of the discharge port (13). The side of the support base (14) away from the horizontal plate (10) is fixedly connected to the inner wall of the housing (1).

6. The easily adjustable recycled stone sorting device according to claim 1, characterized in that: The top of the housing (1) is connected to a feed inlet (33), and the top of the feed inlet (33) is hinged to a cover plate (34).

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