Garlic grader

Abstract

This utility model discloses a garlic grading machine, belonging to the field of garlic processing technology, including a frame and a grading bin. Through its structural design, this utility model utilizes an adjustable inclined plate connecting the grading cylinders, allowing garlic to be transported by the rotating screen cylinders and gravity through the inclined plate, reducing the need for a transmission system and thus lowering costs. A brush located at the feeding position inside the screen cylinder removes garlic clogging the screen holes, reducing blockages. A movable plate at the bottom of the collection bin allows garlic to be discharged when open and temporarily stored when closed. A blower in the air pressure system creates negative pressure in the air duct, drawing in broken and flying garlic skins through the air vents, minimizing the impact of garlic skins on workers.

Description

Technical Field

[0001] This utility model relates to the field of garlic processing technology, and in particular to a garlic grading machine. Background Technology

[0002] Garlic processing requires grading based on clove size. Currently, there are two main methods for fruit and vegetable grading in the industry: one is manual grading, which offers greater flexibility, allowing for adjustments to the size and grade differences as needed. However, this method is inefficient, susceptible to variations in worker familiarity and subjective judgment, and prone to uneven grading, as well as microbial contamination. Moreover, with the increasing cost of labor, this method is becoming increasingly unsuitable for large-scale production.

[0003] Secondly, mechanical grading is used. However, most commercially available mechanical grading machines using roller grading systems face several problems: 1. Most garlic grading machines rely on a transmission system to move the garlic between the grading cylinders, resulting in high costs and selling prices. Garlic farmers can only rent these machines, and during peak seasons, they have to wait in line, potentially missing out on the market and suffering economic losses; 2. The grading screen holes may become clogged with garlic, requiring manual cleaning when the blockage is severe, affecting sorting efficiency; 3. After garlic sorting, the outlet is directly connected to a mesh bag. When the mesh bag is full, the machine must be stopped while waiting for the bag to be installed, making it impossible to temporarily store garlic; 4. During grading, the dry garlic skin is easily broken, causing it to fly around and affecting the staff monitoring the machine. Summary of the Invention

[0004] The purpose of this invention is to solve the problems mentioned in the background art by designing a garlic grading machine.

[0005] To achieve the above objectives, the technical solution of this utility model is as follows: a grading bin is fixedly installed on the upper part of the frame. The grading bin is equipped with a primary screen cylinder, a secondary screen cylinder, a collection trough, an inclined plate, and a brush. The primary screen cylinder, the secondary screen cylinder, and the collection trough are distributed in a stepped manner along the feeding direction in the grading bin. The primary screen cylinder and the secondary screen cylinder are connected by an inclined plate. A brush is fixedly installed at the material discharge position inside the primary screen cylinder and the secondary screen cylinder, and the brush is tangent to the screen cylinder.

[0006] Preferably, a power unit is provided on one side of the grading bin, a motor is fixedly installed below the primary screen cylinder and the secondary screen cylinder, and drive rollers are fixedly installed on the left and right sides below the screen cylinder respectively. Meshing wheels are rolled at both ends of the drive rollers, and the motor is connected between the drive rollers through a chain.

[0007] Preferably, a wind pressure system is fixedly installed above the primary screen cylinder. The wind pressure system has a housing, one end of which is completely closed, and a fan is installed at the other end of the housing. A cylindrical cavity is provided inside the housing, forming an air duct. An air outlet connected to the air duct is provided at the bottom of the housing.

[0008] Preferably, a collection device is provided on the other side of the grading bin, a conveyor belt is fixedly installed in the lower middle position inside the primary and secondary screen cylinders, guardrails are provided on both sides of the conveyor belt, a motor is fixedly installed at one end of the conveyor belt, a collection box is provided on the side of the grading bin to cooperate with the output end of the conveyor belt, and a movable plate is provided at the bottom of the collection box.

[0009] Preferably, the inclined plate is equipped with an adjustment device, which includes an adjustment rod, an adjustment bolt, and a connecting rod. A connecting rod is provided at the bottom right side of the inclined plate. The connecting rod extends out of the outer side of the grading bin. One end of the connecting rod is connected to the lower half of the adjustment rod. The upper half of the adjustment rod is straight, and the lower half is curved. The adjustment rod extends out of the top surface of the grading bin, and an adjustment bolt is threaded to the upper end of the adjustment rod. Beneficial effects

[0010] This utility model provides a garlic grading machine with the following advantages: Through its structural design, the grading cylinders are connected by an adjustable inclined plate, allowing garlic to be transported by the rotating screen cylinders and under gravity, reducing the need for a transmission system and thus lowering costs. A brush located inside the screen cylinder at the feeding position can remove garlic clogged in the screen holes, reducing blockages. A movable plate at the bottom of the collection box allows garlic to be discharged when open and temporarily stored when closed. A blower in the air pressure system creates negative pressure in the air duct, drawing in broken and flying garlic skins through the air outlet, reducing the impact of garlic skins on workers. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of the garlic grading machine described in this utility model;

[0012] Figure 2 This is a schematic diagram of the front view of the garlic grading machine described in this utility model;

[0013] Figure 3 This is a structural schematic diagram of the rear view of the garlic grading machine described in this utility model;

[0014] Figure 4 This is a side view of the garlic grading machine described in this utility model;

[0015] Figure 5 This is a top view structural schematic diagram of the garlic grading machine described in this utility model;

[0016] Figure 6 This is a schematic diagram of the AA cross-section of the present invention;

[0017] Figure 7 This is a schematic diagram of the cross-section of the BB section described in this utility model;

[0018] Figure 8 This is a structural schematic diagram of the CC cross-section of the present invention.

[0019] In the diagram, 1. Feeding device; 2. Pneumatic pressure system; 3. Collection box; 4. Primary screen cylinder; 5. Secondary screen cylinder; 6. Collection trough; 7. Screen holes; 8. Frame; 9. Adjusting rod; 10. Motor; 11. Grading bin; 12. Brush; 13. Meshing wheel; 14. Conveyor belt; 15. Inclined plate; 16. Fan; 17. Air duct; 18. Air outlet; 19. Baffle; 20. Motor; 21. Chain; 22. Adjusting bolt; 23. Movable plate; 24. Guardrail; 25. Drive roller; 26. Housing; 27. Connecting rod. Detailed Implementation

[0020] 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.

[0021] In the description of this utility model, it should be noted that the terms "upper / lower end," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0022] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "set / set up," "sleeve," "connection," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0023] Please see Figure 1-3 This utility model provides a technical solution: a garlic grading machine, wherein a grading chamber 11 is fixedly installed on the upper part of the frame 8, and the grading chamber 11 is provided with a primary screen cylinder 4, a secondary screen cylinder 5, a collection trough 6, an inclined plate 15 and a brush 12. The primary screen cylinder 4, the secondary screen cylinder 5 and the collection trough 6 are distributed in a stepped manner in the grading chamber 11 along the feeding direction. The primary screen cylinder 4 and the secondary screen cylinder 5 are connected by the inclined plate 15, so that the garlic can pass through the inclined plate 15 to the next primary screen cylinder under the action of rotation of the screen cylinder and gravity. The brush 12 is fixedly installed at the feeding position inside the primary screen cylinder 4 and the secondary screen cylinder 5. The brush 12 is tangential to the screen cylinder, so as to brush out the garlic blocked in the screen hole and reduce blockage.

[0024] A power unit is provided on one side of the grading bin 11. A motor 10 is fixedly installed below the primary screen cylinder 4 and the secondary screen cylinder 5. Drive rollers 25 are fixedly installed on the left and right sides below the screen cylinders respectively. Meshing wheels 13 are rolled at both ends of the drive rollers 25. The motor 10 is connected to each drive roller 25 through a chain 21. By utilizing the cooperation between the motor 10, the chain 21 and the drive rollers 25, the entire equipment only needs to be driven by one motor 10, which reduces production costs.

[0025] A pneumatic pressure system 2 is fixedly installed above the primary sieve cylinder 4. The pneumatic pressure system 2 has a housing 26. One end of the housing 26 is completely closed, and a blower 16 is installed at the other end of the housing 26. A cylindrical cavity is provided inside the housing 26, which forms an air duct 17. An air outlet 18 is provided below the housing 26 to connect with the air duct 17. When the blower 16 is working, a negative pressure is formed in the air duct 17, and the crushed and flying garlic peels are then collected into the air duct 17 through the air outlet 18.

[0026] A collection device is provided on the other side of the grading bin 11. A conveyor belt 14 is fixedly installed in the lower middle position inside the primary sieve cylinder 4 and the secondary sieve cylinder 5. The conveyor belt 14 is provided with guardrails 24 on both sides to prevent garlic from entering the conveyor belt 14. A motor 20 is fixedly installed at one end of the conveyor belt 14. A collection box 3 is provided on the side of the grading bin 11 to cooperate with the output end of the conveyor belt 14. A movable plate 23 is provided at the bottom of the collection box 3. When the movable plate 23 is closed, the garlic can be temporarily stored. When the movable plate 23 is opened, the garlic can be discharged.

[0027] The inclined plate 15 is equipped with an adjustment device, which includes an adjustment rod 9, an adjustment bolt 22, and a connecting rod 27. The connecting rod 27 is provided at the bottom right side of the inclined plate 15. The connecting rod 27 extends out of the outer side of the grading bin 11. One end of the connecting rod 27 is connected to the lower half of the adjustment rod 9. The upper half of the adjustment rod 9 is straight, and the lower half is curved. The adjustment rod 9 extends out of the top surface of the grading bin 11. The upper end of the adjustment rod 9 is threadedly connected to the adjustment bolt 22.

[0028] Those skilled in the art should connect all electrical components and their compatible power supplies in this case via wires, and should select appropriate controllers according to actual conditions to meet control requirements. The specific connection and control sequence should refer to the working principle described below, where the electrical connections between the various electrical components are completed in sequence. The detailed connection methods are well-known technologies in the field. The following mainly introduces the working principle and process, and will not describe the electrical control further.

[0029] In this implementation plan:

[0030] During operation, garlic enters the grading chamber 11 via the feeding device 1. At this time, the crushed garlic skins are at the air pressure system 2. The blower 16 creates negative pressure in the air duct 17 within the housing 26, drawing the garlic skins passing through the air outlet 18 into the air duct 17 and discharging them at the blower 16. The garlic then enters the primary sieve cylinder 4. Garlic that fits the size of the sieve holes in the primary sieve cylinder 4 enters the conveyor belt 14 inside the primary sieve cylinder 4. The motor 20 drives the conveyor belt 14 to send the garlic into the collection box 3. Garlic that does not fit the size of the sieve holes in the primary sieve cylinder 4... Garlic of the required hole size passes through the inclined plate 15 to the secondary screen 5 under the influence of the rotating screen cylinder and gravity, and the screening process is repeated. Garlic that does not conform to the size of the screen hole on the primary screen 4 enters the collection trough 6 and is then discharged. When garlic clogs the screen holes, the brush 12 inside the screen cylinder can brush the garlic out to reduce clogging. A net bag can be connected to the bottom of the collection box 3. When the net bag is full, the movable plate 23 can be closed to temporarily store the garlic. After the net bag is replaced, the movable plate 23 can be opened to continue collecting the graded garlic.

[0031] 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.

[0032] 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. A garlic grading machine, comprising a frame (8) and a grading bin (11), characterized in that, The upper part of the frame (8) is fixedly installed with a grading bin (11). The grading bin (11) is provided with a primary screen cylinder (4), a secondary screen cylinder (5), a collection trough (6), an inclined plate (15) and a brush (12). The primary screen cylinder (4), the secondary screen cylinder (5) and the collection trough (6) are distributed in a stepped manner in the grading bin (11) along the feeding direction. The primary screen cylinder (4) and the secondary screen cylinder (5) are connected by an inclined plate (15). The brush (12) is fixedly installed at the material discharge position inside the primary screen cylinder (4) and the secondary screen cylinder (5). The brush (12) is tangent to the screen cylinder.

2. The garlic grading machine according to claim 1, characterized in that, A power unit is provided on one side of the grading bin (11). A motor (10) is fixedly installed below the primary screen cylinder (4) and the secondary screen cylinder (5). Drive rollers (25) are fixedly installed on the left and right sides below the screen cylinders respectively. Meshing wheels (13) are rolled at both ends of the drive rollers (25). The motor (10) is connected between each drive roller (25) through a chain (21).

3. The garlic grading machine according to claim 1, characterized in that, A wind pressure system (2) is fixedly installed above the primary screen cylinder (4). The wind pressure system (2) has a housing (26). One end of the housing (26) is completely closed, and a fan (16) is installed at the other end of the housing (26). A cylindrical cavity is provided inside the housing (26), and the cylindrical cavity forms an air duct (17). An air outlet (18) connected to the air duct (17) is provided below the housing (26).

4. The garlic grading machine according to claim 1, characterized in that, The grading bin (11) is equipped with a collection device on the other side. A conveyor belt (14) is fixedly installed in the lower middle position inside the primary screen cylinder (4) and the secondary screen cylinder (5). A guardrail (24) is provided on both sides of the conveyor belt (14). A motor (20) is fixedly installed at one end of the conveyor belt (14). A collection box (3) is provided on the side of the grading bin (11) to cooperate with the output end of the conveyor belt (14). A movable plate (23) is provided at the bottom of the collection box (3).

5. The garlic grading machine according to claim 1, characterized in that, The inclined plate (15) is equipped with an adjustment device, which includes an adjustment rod (9), an adjustment bolt (22) and a connecting rod (27). The bottom right end of the inclined plate (15) is provided with a connecting rod (27). The connecting rod (27) extends out of the outside of the grading bin (11). One end of the connecting rod (27) is connected to the lower half of the adjustment rod (9). The upper half of the adjustment rod (9) is straight and the lower half is curved. The adjustment rod (9) extends out of the top surface of the grading bin (11). The upper end of the adjustment rod (9) is threaded with an adjustment bolt (22).

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