Screening device for cat litter processing

Abstract

The utility model discloses a screening device for cat litter processing. The screening device comprises a dustproof box, a feeding hopper, a screening assembly and a discharging assembly. According to the cat litter screening device, through the arrangement of the screening assembly, cat litter falls to one end above the screening plate under the guidance of the interior of the material guide plate, the screening plate is driven by the vibration motor to vibrate, the cat litter can be screened, the screened cat litter flows out of the discharging opening, waste falls to the position above the conveying belt, and in the cat litter screening process, the cat litter is not prone to falling off. Cat litter above the screening plate can be limited through the material limiting roller, so that the cat litter is kept in a tiled state, the situation that the cat litter is stacked together to affect the overall screening effect is avoided, meanwhile, dust and the like attached to the surface of the cat litter can be cleaned under the arrangement of a scrubbing brush on the surface of the material limiting roller, and the good screening effect is achieved; the height of the material limiting rollers can be adjusted through an air cylinder, the distance between the material limiting rollers can be adjusted through a first motor, and the two sets of material limiting rollers are arranged in a high-low staggered mode, so that cat litter damage caused by direct limiting of a large amount of cat litter can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field related to cat litter processing, in particular to a screening device for cat litter processing. Background Art

[0002] In daily life, many families keep pets. In order to facilitate the treatment of pet feces and urine, cat litter is used. Cat litter is an object used by owners to bury feces and urine for their cats. Cat litter is mostly granular, and commonly used ones include earth litter, paper litter, crystal litter, tofu litter, wheat litter, etc. When producing cat litter, in order to ensure the uniformity of cat litter particles, the cat litter needs to be screened, so a screening device for cat litter processing is needed.

[0003] The prior art has the following deficiencies: the prior art "A vibrating screening device for cat litter processing" with publication number CN219233038U "includes a box body, a dust collecting base fixedly mounted on one side of the box body, a driving mechanism mounted on one side of the dust collecting base, two sides of the screening plate are fixedly connected to two sides of the dust collecting base through four elastic sheets, a transmission mechanism is mounted on one side of the driving mechanism, and it is connected to one side of the screening plate, a scraping mechanism is mounted on one side of the dust collecting base, and it is connected to one side of the driving mechanism, the scraping mechanism includes two transmission belts symmetrically arranged on both sides of the dust collecting base, and a plurality of scrapers are fixedly mounted between the two transmission belts";

[0004] In the above-mentioned equipment, a dual-axis motor is used to drive the eccentric wheel to rotate, and the rotation of the eccentric wheel drives the transmission rod to move, and the movement of the transmission rod drives the screening plate to vibrate to complete the screening of the cat litter. However, the cat litter that falls from the lower hopper to the top of the screening plate is prone to stacking together. Due to the limitation of the overall length of the screening plate, part of the cat litter is not screened, which affects the overall screening effect of the cat litter. Utility Model Content

[0005] The purpose of the utility model is to provide a screening device for cat litter processing to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the utility model provides the following technical solutions: a screening device for cat litter processing, comprising a dustproof box, a feed hopper, a screening assembly and a material discharge assembly, wherein the feed hopper is installed through the top of the dustproof box, the screening assembly is installed in the dustproof box, and the material discharge assembly is installed in the dustproof box and is located below the screening assembly;

[0007] The screening component includes two groups of fixed frames, a first motor, a transmission lead screw, two lead screw nuts, a fixed plate, two cylinders, and a processing part. The two groups of fixed frames are symmetrically installed on the inner wall of the dust-proof box by bolts. The first motor is installed on the side wall of the fixed frame by bolts. The transmission lead screw is installed at the output end of the first motor. The two lead screw nuts are symmetrically sleeved and installed outside the transmission lead screw. The fixed plate is installed between the lead screw nuts by bolts. The two cylinders are installed at the bottom end of the fixed plate by bolts. The processing part is installed in the dust-proof box.

[0008] As a further preference of this technical solution, the processing part includes a mounting frame, a material limiting roller, a screening plate, two vibration motors, a guiding plate, and two discharge ports. The mounting frame is installed at the output end of the cylinder. The material limiting roller is rotatably installed on the inner wall of the mounting frame. The screening plate is installed in the dust-proof box. The two vibration motors are symmetrically installed on the inner wall of the dust-proof box by bolts. The guiding plate is installed at the inner top of the dust-proof box by bolts. The two discharge ports are symmetrically opened on the surface of the side wall of the dust-proof box.

[0009] As a further preference of this technical solution, two groups of external threads are provided on the surface of the transmission lead screw, and the two groups of external threads are arranged in opposite directions. A limiting groove is provided on the inner wall of the fixed frame, and the lead screw nut is slidably arranged in the limiting groove.

[0010] As a further preference of this technical solution, the cross-section of the mounting frame is in a U-shaped structure. A hard brush is provided on the surface of the material limiting roller. The material limiting roller is driven and controlled by a motor. The output end of the vibration motor is connected to the screening plate. Both the screening plate and the guiding plate are inclined. The surface of the screening plate is in a mesh-like structure.

[0011] As a further preference of this technical solution, two groups of support frames are symmetrically installed at the bottom end of the dust-proof box by bolts. An observation window is embedded and installed on the side wall of the dust-proof box.

[0012] As a further preference of this technical solution, the blanking component includes multiple groups of limiting plates, multiple groups of limiting columns, springs, two blanking hoppers, a second motor, two transmission rollers, and a conveyor belt. The multiple groups of limiting plates are installed on the inner wall of the dust-proof box by bolts. The multiple groups of limiting columns are穿设滑动安装 in the limiting plates. The springs are sleeved outside the limiting columns. The two blanking hoppers are installed on the side wall of the dust-proof box by bolts. The second motor is installed on the side wall of the dust-proof box by bolts. The two transmission rollers are respectively installed at the output end of the second motor and inside the dust-proof box. The conveyor belt is sleeved outside the transmission rollers.

[0013] As a further preference of this technical solution, the springs are installed between the limiting plates and the screening plate. The blanking hoppers are arranged corresponding to the discharge ports. The blanking hoppers are inclined. The transmission rollers are rotatably arranged on the inner wall of the dust-proof box. The conveyor belt is located below the screening plate.

[0014] The utility model provides a screening device for cat litter processing, which has the following beneficial effects:

[0015] (1) The utility model is provided with a screening component. Under the guidance of the guide plate, the cat litter falls to one end above the screening plate. The screening plate is driven to vibrate by a vibration motor, so that the cat litter can be screened. The screened cat litter flows out from the discharge port, and the waste material falls above the conveyor belt. In the process of screening the cat litter, the cat litter above the screening plate can be limited by a limiting roller to keep it in a flat state, so as to avoid the cat litter from piling up and affecting the overall screening effect. At the same time, with the setting of a hard brush on the surface of the limiting roller, dust and the like attached to the surface of the cat litter can be cleaned to achieve a good screening effect. The height of the limiting roller can be adjusted by a cylinder. The No. 1 motor is used to drive the transmission screw to rotate. The rotation of the transmission screw drives the two sets of screw nuts to move closer to or away from each other. The movement of the screw nut drives the limiting roller to move, so that the distance between the limiting rollers can be adjusted. The height offset setting of the two sets of limiting rollers can avoid directly limiting a large amount of cat litter and causing damage to the cat litter.

[0016] (2) The utility model is provided with a material discharge component. Under the setting of the limit plate, the limit column and the spring, the vibration of the screening plate can be limited, and the overall screening effect can be enhanced. Under the setting of the two sets of material discharge hoppers, cat litter and waste can be discharged. The second motor is used to drive the transmission roller to rotate. The rotation of the transmission roller drives the conveyor belt to rotate, and the waste generated by the screening can be transported and discharged from the discharge port, which is convenient for the user to collect and process later. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the screening component structure of the utility model;

[0019] Figure 3 This is a cross-sectional structural diagram of a fixing frame of the utility model;

[0020] Figure 4 It is a schematic diagram of the structure of the blanking component of the utility model.

[0021] In the figure: 1. dustproof box; 2. feed hopper; 3. screening component; 4. unloading component; 5. fixing frame; 6. No. 1 motor; 7. transmission screw; 8. screw nut; 9. fixing plate; 10. cylinder; 11. processing part; 12. mounting frame; 13. limiting roller; 14. screening plate; 15. vibration motor; 16. guide plate; 17. discharge port; 18. support frame; 19. observation window; 20. limit plate; 21. limit column; 22. spring; 23. unloading hopper; 24. No. 2 motor; 25. transmission roller; 26. conveyor belt. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0023] The utility model provides a technical solution: Figure 2 and Figure 3 As shown, in the present embodiment, a screening device for processing cat litter comprises a dustproof box 1, a feed hopper 2, a screening component 3 and a discharge component 4, wherein the feed hopper 2 is installed through the top of the dustproof box 1, the screening component 3 is installed in the dustproof box 1, the discharge component 4 is installed in the dustproof box 1 and is located below the screening component 3, the screening component 3 can screen cat litter, and the discharge component 4 can discharge cat litter and waste, the screening component 3 comprises two groups of fixed frames 5, a No. 1 motor 6, a transmission screw 7, two groups of screw nuts 8, a fixing plate 9, two groups of cylinders 10 and a processing part 11, the two groups of the fixed frames 5 are symmetrically installed on the inner wall of the dustproof box 1 by bolts, the No. 1 motor 6 is installed on the side wall of the fixed frame 5 by bolts, and the transmission screw 7 is installed on the No. 1 motor 6. At the output end of the motor 6, two groups of the screw nuts 8 are symmetrically sleeved and installed on the outside of the transmission screw 7, the fixed plate 9 is installed between the screw nuts 8 by bolts, and the two groups of the cylinders 10 are installed at the bottom of the fixed plate 9 by bolts. The processing part 11 is installed in the dustproof box 1, and two groups of external threads are provided on the surface of the transmission screw 7, and the two groups of external threads are arranged oppositely. A limiting groove is provided on the inner wall of the fixed frame 5, and the screw nut 8 is slidably arranged with the limiting groove. The height of the limiting roller 13 can be adjusted by the cylinder 10, and the transmission screw 7 is driven to rotate by the No. 1 motor 6. The rotation of the transmission screw 7 drives the two groups of screw nuts 8 to approach or move away from each other, and the movement of the screw nut 8 drives the limiting roller 13 to move, and the distance between the limiting rollers 13 can be adjusted.

[0024] like Figure 2 and Figure 4As shown, the processing section 11 includes a mounting frame 12, a material limiting roller 13, a screening plate 14, two vibration motors 15, a guide plate 16, and two discharge ports 17. The mounting frame 12 is installed at the output end of the cylinder 10. The material limiting roller 13 is rotatably installed on the inner wall of the mounting frame 12. The screening plate 14 is installed in the dust-proof box 1. The two vibration motors 15 are symmetrically installed on the inner wall of the dust-proof box 1 by bolts. The guide plate 16 is installed on the inner top of the dust-proof box 1 by bolts. The two discharge ports 17 are symmetrically opened on the side wall surface of the dust-proof box 1. The cross-section of the mounting frame 12 is in a U-shaped structure. The surface of the material limiting roller 13 is provided with a hard brush. The material limiting roller 13 is driven and controlled by a motor. The output end of the vibration motor 15 is connected to the screening plate 14. Both the screening plate 14 and the guide plate 16 are inclined. The surface of the screening plate 14 is in a mesh-like structure. Under the guidance of the guide plate 16, the cat litter falls to one end above the screening plate 14. By using the vibration motor 15 to drive the screening plate 14 to vibrate, the cat litter can be screened. The screened cat litter flows out from the discharge port 17, and the waste falls above the conveyor belt 26. During the screening process of the cat litter, the material limiting roller 13 can limit the cat litter above the screening plate 14 to keep it in a flat state, avoiding the stacking of cat litter and affecting the overall screening effect. At the same time, with the hard brush provided on the surface of the material limiting roller 13, the dust attached to the surface of the cat litter can be cleaned to achieve a good screening effect. The high and low staggered settings of the two material limiting rollers 13 can avoid damaging the cat litter caused by directly limiting a large amount of cat litter.

[0025] As Figure 1 and Figure 4As shown, the unloading assembly 4 includes multiple groups of limit plates 20, multiple groups of limit columns 21, springs 22, two groups of unloading hoppers 23, a No. 2 motor 24, two groups of transmission rollers 25 and a conveyor belt 26. Multiple groups of the limit plates 20 are installed on the inner wall of the dustproof box 1 by bolts, multiple groups of the limit columns 21 are slidably installed in the limit plates 20, the springs 22 are sleeved and installed on the outside of the limit columns 21, two groups of the unloading hoppers 23 are installed on the side wall of the dustproof box 1 by bolts, the No. 2 motor 24 is installed on the side wall of the dustproof box 1 by bolts, the two groups of the transmission rollers 25 are respectively installed on the output end of the No. 2 motor 24 and in the dustproof box 1, the conveyor belt 26 is sleeved and installed on the outside of the transmission roller 25, and the spring 22 is installed on the limit Between the positioning plate 20 and the screening plate 14, the lower hopper 23 is arranged corresponding to the discharge port 17, the lower hopper 23 is arranged inclined, the drive roller 25 is arranged to rotate with the inner wall of the dustproof box 1, and the conveyor belt 26 is located below the screening plate 14. With the setting of the limiting plate 20, the limiting column 21 and the spring 22, the vibration of the screening plate 14 can be limited, and the overall screening effect can be enhanced. With the setting of the two sets of lower hoppers 23, cat litter and waste can be discharged, and the No. 2 motor 24 is used to drive the drive roller 25 to rotate. The rotation of the drive roller 25 drives the conveyor belt 26 to rotate, and the waste generated by the screening can be transported and discharged from the discharge port 17, which is convenient for the user to collect and process it later.

[0026] The utility model provides a screening device for cat litter processing, and the specific working principle is as follows:

[0027] When using the screening device for processing cat litter, cat litter can be put into the dustproof box 1 from the feed hopper 2, and the screening operation in the dustproof box 1 can be observed by using the observation window 19. By providing a screening component 3, under the guidance of the guide plate 16, the cat litter falls to one end above the screening plate 14, and the vibration motor 15 is used to drive the screening plate 14 to vibrate, so that the cat litter can be screened. The screened cat litter flows out from the discharge port 17, and the waste material falls above the conveyor belt 26. In the process of screening the cat litter, the cat litter above the screening plate 14 can be limited by the limiting roller 13 to keep it in a flat state, so as to prevent the cat litters from stacking together and affecting the overall screening effect. At the same time, under the setting of the bristle brush on the surface of the limiting roller 13, the dust attached to the surface of the cat litter can be cleaned to achieve a good screening effect. The height of the limiting roller 13 can be adjusted by the cylinder 10. The first motor 6 is used to drive the transmission screw 7 to rotate, and the rotation of the transmission screw 7 drives the two sets of screw nuts 8 to approach or move away from each other. The movement of the screw nut 8 drives the limiting roller 13 to move, and the distance between the limiting rollers 13 can be adjusted. The height offset setting of the two sets of limiting rollers 13 can avoid directly limiting a large amount of cat litter and causing damage to the cat litter. By providing a feeding assembly 4, under the setting of the limiting plate 20, the limiting column 21 and the spring 22, the vibration of the screening plate 14 can be limited, and the overall screening effect can be enhanced. Under the setting of the two sets of feeding hoppers 23, cat litter and waste can be discharged, and the second motor 24 is used to drive the transmission roller 25 to rotate. The rotation of the transmission roller 25 drives the conveyor belt 26 to rotate, and the waste generated by the screening can be transported and discharged from the discharge port 17, which is convenient for the user to collect and process it later.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A screening device for cat litter processing, characterized in that: It includes a dust-proof box (1), a feeding hopper (2), a screening component (3) and a blanking component (4). The feeding hopper (2) is installed through the top of the dust-proof box (1). The screening component (3) is installed inside the dust-proof box (1). The blanking component (4) is installed inside the dust-proof box (1) and is located below the screening component (3). The screening component (3) includes two sets of fixed frames (5), a first motor (6), a transmission lead screw (7), two lead screw nuts (8), a fixed plate (9), two cylinders (10) and a processing part (11). The two sets of fixed frames (5) are symmetrically installed on the inner wall of the dust-proof box (1) by bolts. The first motor (6) is installed on the side wall of the fixed frame (5) by bolts. The transmission lead screw (7) is installed at the output end of the first motor (6). The two lead screw nuts (8) are symmetrically sleeved on the outside of the transmission lead screw (7). The fixed plate (9) is installed between the lead screw nuts (8) by bolts. The two cylinders (10) are installed at the bottom end of the fixed plate (9) by bolts. The processing part (11) is installed inside the dust-proof box (1).

2. A screening device for cat litter processing according to claim 1, characterized in that: The processing part (11) includes a mounting frame (12), a material limiting roller (13), a screening plate (14), two vibration motors (15), a guiding plate (16) and two discharge ports (17). The mounting frame (12) is installed at the output end of the cylinder (10). The material limiting roller (13) is rotatably installed on the inner wall of the mounting frame (12). The screening plate (14) is installed inside the dust-proof box (1). The two vibration motors (15) are symmetrically installed on the inner wall of the dust-proof box (1) by bolts. The guiding plate (16) is installed on the inner top of the dust-proof box (1) by bolts. The two discharge ports (17) are symmetrically opened on the side wall surface of the dust-proof box (1).

3. A screening device for cat litter processing according to claim 1, characterized in that: Two sets of external threads are provided on the surface of the transmission lead screw (7), and the two sets of external threads are arranged in opposite directions. A limiting groove is provided on the inner wall of the fixed frame (5), and the lead screw nut (8) is slidably arranged with the limiting groove.

4. A screening device for cat litter processing according to claim 2, characterized in that: The cross-section of the mounting frame (12) is in a U-shaped structure. A hard brush is provided on the surface of the material limiting roller (13). The material limiting roller (13) is driven and controlled by a motor. The output end of the vibration motor (15) is connected to the screening plate (14). Both the screening plate (14) and the guiding plate (16) are inclined. The surface of the screening plate (14) is in a mesh-like structure.

5. A screening device for cat litter processing according to claim 1, characterized in that: Two sets of support frames (18) are symmetrically installed at the bottom end of the dust-proof box (1) by bolts. An observation window (19) is embedded and installed on the side wall of the dust-proof box (1).

6. A screening device for cat litter processing according to claim 1, characterized in that: The material discharge assembly (4) comprises a plurality of groups of limit plates (20), a plurality of groups of limit columns (21), a spring (22), two groups of material discharge hoppers (23), a No. 2 motor (24), two groups of transmission rollers (25) and a conveyor belt (26); the plurality of groups of limit plates (20) are installed on the inner wall of the dustproof box (1) by means of bolts; the plurality of groups of limit columns (21) are inserted and slidably installed in the limit plates (20); the springs (22) are sleeved and installed on the outside of the limit columns (21); the two groups of material discharge hoppers (23) are installed on the side wall of the dustproof box (1) by means of bolts; the No. 2 motor (24) is installed on the side wall of the dustproof box (1) by means of bolts; the two groups of transmission rollers (25) are installed on the output end of the No. 2 motor (24) and in the dustproof box (1) respectively; and the conveyor belt (26) is sleeved and installed on the outside of the transmission rollers (25).

7. A screening device for cat litter processing according to claim 6, characterized in that: The spring (22) is installed between the limit plate (20) and the screening plate (14), the lower hopper (23) is arranged corresponding to the discharge port (17), the lower hopper (23) is arranged at an angle, the transmission roller (25) is rotatably arranged with the inner wall of the dustproof box (1), and the conveyor belt (26) is located below the screening plate (14).

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