A drum screen nut grading device

Abstract

The utility model relates to the field of agricultural mechanization and food processing machinery, disclose a kind of cylinder screen nut grading device, including base, the inside installation of base is equipped with screen drum, the inner wall of base is equipped with driving assembly, the driving end of driving assembly is fixedly connected with connecting rod, the other end of connecting rod is rotatably connected with sliding rod, one end of sliding rod is rotatably connected with slide, the other end of sliding rod is rotatably connected with limit strip, the inner wall of base is equipped with sliding groove, the inner wall of sliding groove is slidably connected in the outside of slide, the outside of limit strip is fixedly connected with push plate. In the utility model, the position of limit strip changes and drives the push plate to change position, the outer surface of screen drum can be closed when push plate is close to screen drum, realize the protection idle screen can avoid corrosion and abrasion, keep mesh unobstructed, the inner wall of accumulation bin can be cleaned when push plate is away from screen drum.

Description

Technical Field

[0001] This utility model relates to the fields of agricultural mechanization and food processing machinery, and in particular to a drum screen nut grading device. Background Technology

[0002] Nut grading involves classifying and screening nuts according to indicators such as size, weight, and color to improve quality and commercial value, meet differentiated market demands, optimize processing and utilization, and reduce resource waste. Rotary drum screens separate nuts by rotating and screening different aperture sizes, achieving precise grading by size, improving processing efficiency, reducing breakage, and ensuring product uniformity and quality stability.

[0003] In existing technologies, some drum screen nut grading devices accumulate a large amount of dust from nuts during use. Furthermore, the drum is exposed to the air for a long time, and the accumulated dust from nuts can easily clog the screen holes, reducing grading accuracy. Long-term exposure can also lead to metal corrosion, accelerated wear of components, and bacterial growth from dust accumulation, affecting equipment performance and food safety. Therefore, a drum screen nut grading device is proposed to solve the above problems. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a drum screen nut grading device, which aims to improve the problems in the prior art where dust accumulation on the drum screen causes clogging of the screen holes, reduced grading accuracy, accelerated corrosion and wear, bacterial growth in dust accumulation, and damage to equipment performance and food safety.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A drum screen nut grading device includes a base, a screen cylinder installed inside the base, a drive assembly installed on the inner wall of the base, a connecting rod fixedly connected to the drive end of the drive assembly, a sliding rod rotatably connected to the other end of the connecting rod, a sliding plate rotatably connected to one end of the sliding rod, a limit strip rotatably connected to the other end of the sliding rod, a groove formed on the inner wall of the base, the outer side of the sliding plate slidably connected to the inner wall of the groove, and a push plate fixedly connected to the outer side of the limit strip.

[0007] As a further description of the above technical solution:

[0008] The drive assembly includes a second motor, the exterior of which is mounted on the inner wall of the base, and the exterior of the limiting strip is slidably connected to the inner wall of the base.

[0009] As a further description of the above technical solution:

[0010] The base has an inner wall with a stacking bin, the push plate is externally slidably connected to the inner wall of the stacking bin, and the screen cylinder has multiple screen holes on its inner wall.

[0011] As a further description of the above technical solution:

[0012] A feeding hopper is fixedly connected to the top of the base, and a motor is installed on the outside of the base.

[0013] As a further description of the above technical solution:

[0014] A disk is fixedly connected to the drive end of the motor, and a movable column is fixedly connected to the outside of the disk.

[0015] As a further description of the above technical solution:

[0016] The base is fixedly connected to a telescopic rod, and the telescopic rod is fixedly connected to a movable ring.

[0017] As a further description of the above technical solution:

[0018] The movable column is externally movably connected to the inner wall of the movable ring, and a fixing block is fixedly connected to the outside of the movable ring.

[0019] As a further description of the above technical solution:

[0020] The fixed block is externally fixedly connected to a feeding plate, and the feeding plate is externally slidably connected to the inner wall of the base.

[0021] This utility model has the following beneficial effects:

[0022] 1. In this utility model, the other end of the sliding rod drives the limiting strip to slide on the inner wall of the base. The position change of the limiting strip drives the push plate to change position. When the push plate is close to the screen cylinder, it can seal the outer surface of the screen cylinder, thereby protecting the idle screen from rust and wear and keeping the screen holes unobstructed. When the push plate is away from the screen cylinder, it can clean the inner wall of the storage bin.

[0023] 2. In this utility model, the disc drives the moving column to change position. The moving column is restricted by the telescopic rod to change its lateral position. The position change of the moving column drives the feeding plate to move through the fixed block, thereby realizing the control of the feeding amount, uniform screening, reduction of blockage, and improvement of efficiency. Attached Figure Description

[0024] Figure 1 This is a three-dimensional schematic diagram of a drum screen nut grading device proposed in this utility model;

[0025] Figure 2This is a schematic diagram of the stacking bin of a drum screen nut grading device proposed in this utility model;

[0026] Figure 3 This is a schematic diagram of the pusher plate of a drum screen nut grading device proposed in this utility model;

[0027] Figure 4 This is a schematic diagram of the sliding rod of a drum screen nut grading device proposed in this utility model;

[0028] Figure 5 for Figure 2 Enlarged view of point A in the middle.

[0029] Legend:

[0030] 1. Base; 2. Feeding bin; 3. Screen cylinder; 4. Screen hole; 5. Motor 1; 6. Disc; 7. Moving column; 8. Telescopic rod; 9. Movable ring; 10. Fixed block; 11. Feeding plate; 12. Stacking bin; 13. Limiting strip; 14. Push plate; 15. Motor 2; 16. Connecting rod; 17. Sliding rod; 18. Slide plate; 19. Slide groove. Detailed Implementation

[0031] 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.

[0032] Reference Figures 2 to 4 This utility model provides an embodiment of a drum screen nut grading device, comprising a base 1, inside which a screen cylinder 3 is installed for grading and screening nuts. The inner wall of the screen cylinder 3 has multiple screen holes 4, allowing nuts to be screened when passing through screen holes 4 of different sizes. A drive assembly is installed on the inner wall of the base 1, with a connecting rod 16 fixedly connected to the drive end of the drive assembly, enabling the drive assembly to drive one end of the connecting rod 16 to change position. The other end of the connecting rod 16 is rotatably connected to a sliding rod 17, and the positional change of the connecting rod 16 can cause the sliding rod 17 to change position. One end of the sliding rod 17 is rotatably connected to a sliding plate 18, and the positional change of the sliding rod 17 can cause the sliding plate 18 to change position. The other end of the sliding rod 17 is rotatably connected to a limiting strip 13, and the sliding rod 17 causes the limiting strip 13 to change position.

[0033] The inner wall of the base 1 has a groove 19, and the outer side of the slide plate 18 is slidably connected to the inner wall of the groove 19. The groove 19 can restrict the positional movement of the slide plate 18. A push plate 14 is fixedly connected to the outer side of the limiting strip 13. The positional movement of the limiting strip 13 can drive the push plate 14 to move. The drive assembly includes a second motor 15, which is externally mounted on the inner wall of the base 1. The base 1 fixes the position of the second motor 15 externally. The outer side of the limiting strip 13 is slidably connected to the inner wall of the base 1, allowing the limiting strip 13 to slide along the inner wall of the base 1, providing a sliding position for the limiting strip 13. The inner wall of the base 1 has a stacking bin 12, which is used to place sorted nuts. The outer side of the push plate 14 is slidably connected to the inner wall of the stacking bin 12. The push plate 14 can move on the surface of the stacking bin 12 to clean it.

[0034] Reference Figure 1 , Figure 2 and Figure 5 A feeding bin 2 is fixedly connected to the top of the base 1 for holding a large quantity of nuts to be graded. A motor 5 is mounted externally on the base 1, and the base 1 serves to fix the position of the motor 5. A disc 6 is fixedly connected to the drive end of the motor 5; starting the motor 5 causes the disc 6 to rotate. A movable column 7 is fixedly connected externally to the disc 6; the rotation of the disc 6 causes the movable column 7 to rotate around the center of the disc 6. A telescopic rod 8 is fixedly connected externally to the base 1, and its position is fixed.

[0035] A movable ring 9 is fixedly connected to the outside of the telescopic rod 8, allowing the position of the movable ring 9 to move along the telescopic direction of the telescopic rod 8. A movable column 7 is movably connected to the inner wall of the movable ring 9, allowing the position of the movable column 7 to move the movable ring 9. A fixed block 10 is fixedly connected to the outside of the movable ring 9, allowing the position of the fixed block 10 to move. A feeding plate 11 is fixedly connected to the outside of the fixed block 10, allowing the position of the fixed block 10 to move. The feeding plate 11 is slidably connected to the inner wall of the base 1, allowing the position of the feeding plate 11 to push the nuts to move.

[0036] Working principle: When the second motor 15 is started, the rotation of the drive end of the second motor 15 can drive one end of the connecting rod 16 to rotate around the center of the second motor 15. The position change of the other end of the connecting rod 16 can pull the position change of the sliding rod 17. Thus, the position change of the other end of the sliding rod 17 is limited by the sliding position of the slide plate 18, so that the slide plate 18 slides along the inner wall of the slide groove 19. The other end of the sliding rod 17 drives the limiting strip 13 to slide on the inner wall of the base 1. The position change of the limiting strip 13 drives the push plate 14 to change position. When the push plate 14 is close to the screen cylinder 3, it can seal the outer surface of the screen cylinder 3, which can protect the idle screen and prevent rust and wear, and keep the screen holes 4 unobstructed. When the push plate 14 is away from the screen cylinder 3, it can clean the inner wall of the stacking bin 12. Cleaning the stacking bin can reduce dust pollution and bacterial residue, and ensure the stable performance of the equipment and the safety of the nut quality.

[0037] A large quantity of nuts to be screened is fed into the feeding hopper 2, allowing the nuts to move along the uneven inner wall of the base 1 due to gravity. When feeding is required, motor 5 is started. The rotation of the drive end of motor 5 drives the disc 6 to rotate. The positional change of the disc 6 causes the moving column 7 to rotate around the center of the disc 6, thus causing the disc 6 to move the moving column 7. The moving column 7 moves laterally due to the restriction of the telescopic rod 8. The positional change of the moving column 7 drives the feeding plate 11 to move through the fixed block 10. This achieves control of the feeding amount, uniform screening, reduced clogging, improved efficiency, avoidance of overload, extension of equipment life, reduced energy consumption, and ensures stable grading accuracy and product specifications, reducing the defect rate. This pushes the nuts into the screen cylinder 3 for screening. Starting the screen cylinder 3 allows the nuts to fall along different screen holes 4 while rolling, thus achieving grading of the nuts.

[0038] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A drum screen nut grading device, comprising a base (1), characterized in that: A screen cylinder (3) is installed inside the base (1). A drive assembly is installed on the inner wall of the base (1). A connecting rod (16) is fixedly connected to the drive end of the drive assembly. A sliding rod (17) is rotatably connected to the other end of the connecting rod (16). A sliding plate (18) is rotatably connected to one end of the sliding rod (17). A limit strip (13) is rotatably connected to the other end of the sliding rod (17). A groove (19) is opened on the inner wall of the base (1). The outer side of the sliding plate (18) is slidably connected to the inner wall of the groove (19). A push plate (14) is fixedly connected to the outer side of the limit strip (13).

2. The nut grading device using a drum screen according to claim 1, characterized in that: The drive assembly includes a second motor (15), the outside of which is mounted on the inner wall of the base (1), and the outside of the limiting strip (13) is slidably connected to the inner wall of the base (1).

3. The nut grading device using a drum screen according to claim 1, characterized in that: The inner wall of the base (1) is provided with a stacking bin (12), the outside of the push plate (14) is slidably connected to the inner wall of the stacking bin (12), and the inner wall of the screen cylinder (3) is provided with a plurality of screen holes (4).

4. The nut grading device using a drum screen according to claim 1, characterized in that: The top of the base (1) is fixedly connected to the feeding bin (2), and a motor (5) is installed on the outside of the base (1).

5. A drum screen nut grading device according to claim 4, characterized in that: The drive end of the motor (5) is fixedly connected to a disc (6), and a movable column (7) is fixedly connected to the outside of the disc (6).

6. The nut grading device using a drum screen according to claim 5, characterized in that: The base (1) is externally fixedly connected to a telescopic rod (8), and the telescopic rod (8) is externally fixedly connected to a movable ring (9).

7. A drum screen nut grading device according to claim 6, characterized in that: The movable column (7) is externally movably connected to the inner wall of the movable ring (9), and a fixing block (10) is fixedly connected to the outside of the movable ring (9).

8. A drum screen nut grading device according to claim 7, characterized in that: The fixed block (10) is externally fixedly connected to a feeding plate (11), and the feeding plate (11) is externally slidably connected to the inner wall of the base (1).

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