Winnowing device for tea leaves

By designing an auxiliary screen cylinder rotation and transmission component for a tea air separation device, the clumps of tea leaves are shaken apart, solving the problem of incomplete tea air separation, achieving stable separation and convenient discharge of impurities in the tea leaves, and improving the quality of the tea.

CN224127888UActive Publication Date: 2026-04-17YUNNAN CHUNMING TEA IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YUNNAN CHUNMING TEA IND CO LTD
Filing Date
2025-05-15
Publication Date
2026-04-17

AI Technical Summary

Technical Problem

In existing tea air separation devices, the tea leaves tend to stick together and clump during the air separation process, resulting in incomplete air separation and affecting the quality of the tea.

Method used

A tea leaf air separation device was designed. By cooperating with the rotation of the auxiliary screen cylinder and the transmission components, the clumps of tea leaves are shaken apart, and impurities are blown out through the air guide pipe and air outlet. At the same time, the inclination of the air separation cylinder can be adjusted to facilitate the even distribution and discharge of tea leaves.

Benefits of technology

It achieves stable air separation of light sand and other impurities in tea leaves, ensuring the overall air separation quality of tea leaves, facilitating the discharge of tea leaves, and avoiding the problems of tea leaves sticking and clumping in the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a winnowing device for tea leaves, which belongs to the technical field of winnowing of the tea leaves, and can be used for beating and separating caked tea leaves in a winnowing process through integral rotation of an auxiliary net cylinder, so that impurities such as light sand and stones in the tea leaves can be stably winnowed out, and the integral winnowing quality of the tea leaves is ensured. The tea winnowing device comprises a base and a winnowing barrel, supporting rods are symmetrically and vertically fixed to the top of the base in a protruding mode, fixing rods are symmetrically arranged on the two sides of the winnowing barrel in a protruding mode, the fixing rods are hinged to the supporting rods, a winnowing cavity is formed in each fixing rod, a net barrel is rotationally arranged in each winnowing cavity, and an air guide pipe is embedded in the position, corresponding to the center of the net barrel, of the winnowing barrel. An air outlet hole is drilled in the air guide pipe, one end of the air outlet hole extends out of the winnowing barrel, a discharging opening is formed in one end of the winnowing barrel, a sealing cover is installed at the discharging opening in a hinged mode through a hinge, a protruding base is arranged at the end, away from the sealing cover, of the winnowing barrel in a protruding mode, and a transmission assembly is installed on the winnowing barrel.
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Description

Technical Field

[0001] This utility model belongs to the field of tea air separation technology, and specifically relates to an air separation device for tea. Background Technology

[0002] An air separator is an important piece of equipment in tea processing, serving as a highly efficient and precise tea grading device. It utilizes the difference in weight and shape between airflow and the tea leaves to effectively separate them. Under a certain airflow force, it separates non-tea impurities such as light sand and stones from the tea leaves, thus purifying the tea.

[0003] Existing air separation devices for tea often experience issues during the air separation process. Due to the overall weight of the tea leaves, accumulation of tea leaves in the storage bin can lead to sticking or even large clumps, increasing the weight of the tea leaves and causing inadequate air separation, thus reducing the quality of the tea. Therefore, a new air separation device for tea is needed to solve this problem. Utility Model Content

[0004] (1) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, the purpose of this utility model is to provide a tea leaf air separation device. This device can, during the air separation process, break up clumps of tea leaves by rotating the auxiliary mesh cylinder, thereby ensuring that light sand and other impurities in the tea leaves can be stably separated and guaranteeing the overall air separation quality of the tea leaves.

[0006] (2) Technical solution

[0007] To solve the above-mentioned technical problems, this utility model provides a tea leaf air separation device, which includes a base and an air separation cylinder. A support rod is symmetrically and vertically fixed to the top of the base. Fixed rods are symmetrically protruding from both sides of the air separation cylinder. The fixed rods are hinged to the support rods. An air separation chamber is formed inside the fixed rods. A screen cylinder is rotatably arranged inside the air separation chamber. An air guide pipe is embedded in the air separation cylinder at the center corresponding to the screen cylinder. An air outlet is drilled in the air guide pipe. One end of the air outlet extends out of the air separation cylinder. A slag discharge port is formed below the end of the air separation cylinder corresponding to the extended end of the air outlet. A discharge pipe is installed at the slag discharge port. A material outlet is formed at one end of the air separation cylinder. A sealing cover is hinged to the material outlet. A protruding seat is protruding from the end of the air separation cylinder away from the sealing cover. A transmission component that drives the screen cylinder to rotate is installed on the air separation cylinder.

[0008] Furthermore, the transmission assembly includes a first transmission disc fixed at one end of the screen cylinder and a transmission motor installed at the top of the air separator cylinder. A second transmission disc is fixed at the front end of the shaft of the transmission motor, and the first transmission disc and the second transmission disc are connected by a transmission belt.

[0009] Furthermore, a plurality of air outlets are provided, and the plurality of air outlets are equidistantly arranged on the air guide pipe.

[0010] Furthermore, the sealing cover has a protruding plate at the end away from the hinge, and a receiving groove is provided on the protruding plate. The air separator has a protruding block at the end away from the hinge, and the protruding block is snapped into the receiving groove. Positioning bolts are threaded on the top and bottom of the protruding plate, and positioning holes for fixing the positioning bolts are drilled at the top and bottom of the protruding block.

[0011] Furthermore, an adjustment cavity is vertically formed on one side of the support rod, and an adjustment component for adjusting the tilt of the auxiliary fixing rod is installed in the adjustment cavity.

[0012] Furthermore, the adjustment assembly includes a lead screw rotatably disposed in the adjustment cavity, a sliding block sleeved on the lead screw, a threaded engagement between the lead screw and the sliding block, a support rod obliquely hinged between the sliding block and the fixed rod, and an adjustment motor for driving the lead screw to rotate mounted on the support rod.

[0013] Furthermore, a limiting strip is symmetrically and vertically fixed inside the adjustment cavity, and a limiting groove is formed on the sliding block, with the limiting strip slidably disposed in the limiting groove.

[0014] (3) Beneficial effects

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] This invention utilizes the interaction between a rotating screen cylinder and transmission components inside the air separator to connect the air duct to the blower pump. The drive motor then rotates the second transmission disc, which in turn rotates the transmission belt and the first transmission disc. This rotation of the first transmission disc causes the screen cylinder to rotate, thus assisting in agitating the tea leaves. Simultaneously, the blower pump drives airflow into the air duct and ejects it through the outlet, carrying impurities from the tea leaves through the screen cylinder for filtration. During the air separator process, the rotation of the auxiliary screen cylinder helps to break up clumps of tea leaves, ensuring that light sand and other impurities are consistently separated, thus guaranteeing the overall quality of the air separator.

[0017] This invention utilizes an adjustment component to activate an adjustment motor. The motor drives the lead screw to rotate, and the screw engages with the sliding block via a threaded connection. This causes the sliding block to descend, moving the support rod and positioning the end of the air separator with the sealing cap facing downwards. At this point, the tea leaves can be removed from the screen. This design assists the air separator in its up-and-down movement during operation, ensuring even distribution of the tea leaves within the screen and facilitating easy discharge after air separation. This design minimizes the problem of tea leaves remaining inside the screen and hindering subsequent discharge. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 This utility model Figure 1 Enlarged structural diagram at point A;

[0021] Figure 3 This is a longitudinal sectional view of the transmission component corresponding to the air separator of this utility model;

[0022] Figure 4 This utility model Figure 1 A magnified structural diagram at point B in the middle.

[0023] The markings in the attached diagram are as follows: 1. Base; 2. Support rod; 3. Fixing rod; 31. Protruding block; 32. Positioning hole; 4. Air separator; 41. Discharge pipe; 5. Protruding seat; 6. Air guide pipe; 61. Air outlet; 7. Mesh tube; 8. Transmission assembly; 9. First transmission disc; 10. Transmission motor; 11. Second transmission disc; 12. Transmission belt; 13. Sealing cover; 131. Receiving groove; 14. Positioning bolt; 15. Adjustment assembly; 16. Adjustment motor; 17. Lead screw; 171. Limiting strip; 18. Sliding block; 181. Limiting groove; 19. Support rod. Detailed Implementation

[0024] 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.

[0025] This specific embodiment is a tea leaf winnowing device, such as... Figure 1 , Figure 2 and Figure 3 As shown, the tea leaf air separation device includes a base 1 and an air separation cylinder 4. A support rod 2 is symmetrically and vertically fixed to the top of the base 1. Fixing rods 3 are symmetrically protruding from both sides of the air separation cylinder 4. The fixing rods 3 are hinged to the support rods 2. An air separation chamber is formed inside the fixing rods 3, and a screen cylinder 7 is rotatably arranged inside the air separation chamber. An air guide pipe 6 is embedded in the air separation cylinder 4 at the center corresponding to the center of the screen cylinder 7. Several air outlet holes 61 are drilled on the air guide pipe 6, and these holes 61 are equidistantly arranged on the air guide pipe 6. One end of each air outlet hole 61 extends out of the air separation cylinder. The air classifier 4 has a slag discharge port at the lower end of the air outlet 61, and a discharge pipe 41 is installed at the slag discharge port. The end of the air classifier 4 away from the sealing cover 13 has a protruding seat 5. The air classifier 4 is equipped with a transmission assembly 8 that drives the screen cylinder 7 to rotate. The transmission assembly 8 includes a first transmission disc 9 fixed at one end of the screen cylinder 7 and a transmission motor 10 installed at the top of the air classifier 4. The front end of the shaft of the transmission motor 10 is fixed with a second transmission disc 11. The first transmission disc 9 and the second transmission disc 11 are connected by a transmission belt 12.

[0026] By rotating the mesh cylinder 7 and transmission components 8 inside the air separator 4, the air duct 6 is connected to the blower pump, and the transmission motor 10 is started. The transmission motor 10 drives the second transmission disc 11 to rotate as a whole, which in turn drives the transmission belt 12 to rotate as a whole, and drives the first transmission disc 9 to rotate as a whole. When the first transmission disc 9 rotates, it drives the mesh cylinder 7 to rotate as a whole, thereby assisting in turning the tea leaves. At the same time, the blower pump drives the airflow into the air duct 6 and sprays it out through the air outlet 61, and carries impurities in the tea leaves through the mesh cylinder 7 for filtration and spraying out. During the air separation process, by assisting the rotation of the mesh cylinder 7, the clumps of tea leaves can be broken apart, thereby ensuring that light sand and other impurities in the tea leaves can be stably separated by air separation, ensuring the overall air separation quality of the tea leaves.

[0027] The air separator 4 has a discharge port at one end, and a sealing cover 13 is installed at the discharge port by a hinge. A protruding plate is provided at the end of the sealing cover 13 away from the hinge, and a receiving groove 131 is provided on the protruding plate. A protruding block 31 is provided at the end of the air separator 4 away from the hinge. The protruding block 31 is snapped into the receiving groove 131. Positioning bolts 14 are threaded on the top and bottom of the protruding plate. Positioning holes 32 for fixing the positioning bolts 14 are drilled at the top and bottom of the protruding block 31.

[0028] With the sealing cover 13, one end of the air separator 4 and the mesh cylinder 7 can be easily closed and covered during operation, thus preventing the tea leaves from being sprayed out during the tea sorting process.

[0029] like Figure 1 and Figure 4 As shown, an adjustment cavity is vertically opened on one side of the support rod 2. An adjustment assembly 15 for adjusting the tilt of the auxiliary fixing rod 3 is installed in the adjustment cavity. The adjustment assembly 15 includes a lead screw 17 rotatably disposed in the adjustment cavity. A sliding block 18 is sleeved on the lead screw 17. The lead screw 17 and the sliding block 18 are threaded together. A support rod 19 is inclinedly hinged between the sliding block 18 and the fixing rod 3. An adjustment motor 16 that drives the lead screw 17 to rotate is installed on the support rod 2.

[0030] By adjusting the set adjustment component 15, the adjustment motor 16 is started. The adjustment motor 16 drives the lead screw 17 to rotate as a whole. The lead screw 17 and the sliding block 18 are threaded together, so that the sliding block 18 is lowered as a whole, and the support rod 19 is moved, so that one end of the air classifier 4 with the sealing cover 13 is facing down. At this time, the tea leaves in the screen cylinder 7 can be taken out. During the operation, it can assist the air classifier 4 to swing up and down, so as to achieve the uniform distribution of tea leaves inside the screen cylinder 7. After the air classifier is completed, the tea leaves can be easily discharged, and the problems of tea leaves being difficult to discharge afterward can be avoided as much as possible.

[0031] The aforementioned adjustment cavity is symmetrically and vertically fixed with limit bars 171, and the sliding block 18 is provided with limit grooves 181. The limit bars 171 are slidably disposed in the limit grooves 181. Through the cooperation between the limit bars 171 and the limit grooves 181, it can be ensured that the sliding block 18 can be stably engaged and installed in the adjustment cavity during operation.

[0032] Working principle:

[0033] When it is necessary to winnow tea leaves, place the tea leaves inside the mesh cylinder 7, close the sealing cover 13 as a whole, install the protruding block 31 in the receiving groove 131, rotate the positioning bolt 14, and the protruding plate and the positioning bolt 14 are threaded together, so that the positioning bolt 14 enters the positioning hole 32, thereby completing the overall closing of the sealing cover 13.

[0034] Connect the air duct 6 to the air pump, start the drive motor 10, the drive motor 10 drives the second drive disc 11 to rotate as a whole, the second drive disc 11 drives the drive belt 12 to rotate as a whole, and drives the first drive disc 9 to rotate as a whole. When the first drive disc 9 rotates, it drives the screen cylinder 7 to rotate as a whole, thereby assisting in turning the tea leaves. At the same time, the air pump drives the airflow into the air duct 6 and sprays it out through the air outlet 61, and carries the impurities in the tea leaves through the screen cylinder 7 for filtration and spraying out, and the airflow is sprayed out through the discharge pipe 41. After the air separation is completed, turn off the drive belt 12 and the air pump, and then open the sealing cover 13 as a whole.

[0035] Start the adjustment motor 16, which drives the lead screw 17 to rotate as a whole. The lead screw 17 and the sliding block 18 are threaded together, which causes the sliding block 18 to descend as a whole and moves the support rod 19. This causes the end of the air separator 4 with the sealing cover 13 to face downwards. At this time, the tea leaves in the screen cylinder 7 can be taken out.

[0036] All technical features in this embodiment can be freely combined according to actual needs.

[0037] 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 winnower for tea leaves, the winnower for tea leaves comprising a base (1) and a winnower cylinder (4), characterized in that, The base (1) has symmetrically protruding and vertically fixed support rods (2) on its top. The air separator (4) has symmetrically protruding fixing rods (3) on both sides. The fixing rods (3) are hinged to the support rods (2). An air separator cavity is opened inside the fixing rods (3). A mesh cylinder (7) is rotatably arranged inside the air separator cavity. An air guide pipe (6) is embedded on the air separator (4) at the center corresponding to the center of the mesh cylinder (7). An air outlet hole (61) is drilled on the air guide pipe (6). The air outlet hole (61)... One end extends out of the air separator (4), and a slag discharge port is provided below the end of the air separator (4) corresponding to the air outlet (61). A discharge pipe (41) is installed at the slag discharge port. A discharge port is provided at one end of the air separator (4). A sealing cover (13) is installed at the discharge port by a hinge. A protruding seat (5) is provided at the end of the air separator (4) away from the sealing cover (13). A transmission component (8) that drives the screen cylinder (7) to rotate is installed on the air separator (4).

2. A tea leaf winnower according to claim 1, wherein The transmission assembly (8) includes a first transmission disc (9) fixed at one end of the mesh cylinder (7) and a transmission motor (10) installed at the top of the air separator (4). A second transmission disc (11) is fixed at the front end of the shaft of the transmission motor (10). The first transmission disc (9) and the second transmission disc (11) are connected by a transmission belt (12).

3. The tea leaf winnower according to claim 1, wherein The air outlet (61) is provided in a plurality of places, and the plurality of air outlets (61) are equidistantly arranged on the air guide pipe (6).

4. The tea leaf winnower according to claim 1, wherein The sealing cover (13) has a protruding plate at the end away from the hinge, and a receiving groove (131) is provided on the protruding plate. The air separator (4) has a protruding block (31) at the end away from the hinge. The protruding block (31) is snapped into the receiving groove (131). The top and bottom of the protruding plate are threaded with positioning bolts (14). The top and bottom of the protruding block (31) are drilled with positioning holes (32) for fixing the positioning bolts (14).

5. A tea leaf winnowing device according to claim 1, characterized in that, An adjustment cavity is vertically opened on one side of the support rod (2), and an adjustment component (15) for adjusting the inclination of the auxiliary fixing rod (3) is installed in the adjustment cavity.

6. A tea leaf winnower according to claim 5 wherein, The adjustment assembly (15) includes a lead screw (17) rotatably disposed in the adjustment cavity, a sliding block (18) sleeved on the lead screw (17), the lead screw (17) and the sliding block (18) being threadedly engaged, a support rod (19) being obliquely hinged between the sliding block (18) and the fixed rod (3), and an adjustment motor (16) for driving the lead screw (17) to rotate is mounted on the support rod (2).

7. A tea leaf winnower according to claim 6 wherein, A limiting strip (171) is symmetrically and vertically fixed inside the adjustment cavity, and a limiting groove (181) is opened on the sliding block (18). The limiting strip (171) is slidably disposed in the limiting groove (181).