Scrap screening device for tea processing

The tea processing device with a double-layer screening barrel structure and air pump nozzle design solves the problems of tea crushing and clogging, realizes the graded screening and turning of tea, and improves the screening efficiency.

CN223300382UActive Publication Date: 2025-09-05DEJIANG COUNTY HONGHUCHUN TEA CO LTD
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Patent Information

Application Number
CN202422526479.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-18
Publication Date
2025-09-05
Estimated Expiration
2034-10-18

AI Technical Summary

Technical Problem

Existing tea processing equipment is prone to causing tea leaves to break up and debris to increase when screening dry tea leaves, and is prone to clogging, which affects screening efficiency.

Method used

It adopts a double-layer screening barrel structure driven by a rotating shaft and a motor, combined with an air pump and a nozzle design to achieve graded screening and turning of tea leaves, avoid tea leaves from being crushed, and prevent blockage through air blowing.

Benefits of technology

It realizes the grading and classification screening of tea, improves the screening effect, avoids tea crushing and clogging, and improves screening efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of tea processing, and discloses a scrap screening device for tea processing, which comprises a left cover plate, a shell is fixedly connected to the outside of the right side of the left cover plate, a rotating shaft is rotatably connected to the middle of the left cover plate, and a motor is fixedly connected to the middle of the left side of the left cover plate. The output end of the motor is fixedly connected to the top of the left end of a rotating shaft, fixing rods are fixedly connected to the left end and the right end of the rotating shaft, a first screening barrel is fixedly connected to the outer ends of the fixing rods, and the right end of the first screening barrel is tightly matched with the left side of the left cover plate. According to the tea leaf screening device, the rotating shaft, the motor and the fixing rod drive the first screening barrel and the first stirring plate to rotate, the first stirring plate drives the second screening barrel and the second stirring plate to rotate through the connecting ring, so that tea leaves are screened in a classified mode, the tea leaves are driven to turn over through the first stirring plate and the second stirring plate, and the good screening effect is provided; the tea leaves are prevented from being crushed.
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Description

Technical Field

[0001] The utility model relates to the technical field of tea processing, in particular to a debris screening device for tea processing. Background Art

[0002] Tea processing is the process of transforming the leaves of the tea plant into the dried tea leaves that are brewed. Types of tea are distinguished by the processing they undergo. In its most common form, tea processing involves varying degrees of oxidation of the leaves to halt oxidation, form the tea, and dry it.

[0003] After searching, a screening device for collecting tea leaves in layers for tea processing with announcement number CN218610374U is found, which relates to the field of tea processing, comprising a base, a screening barrel is provided at the upper end of the base, three groups of valves are provided on the outer wall of the screening barrel, a screening mechanism is provided inside the screening barrel, a cover plate is provided at the upper end of the screening barrel, a motor is provided at the upper end of the cover plate, a feeding mechanism is provided near the edge position of the upper end of the cover plate, and the screening mechanism comprises a rotating shaft, two groups of bottom plates are sleeved on the rotating shaft, a plurality of groups of screening slots are provided at the upper end of the bottom plate, a fixing ring is provided at the upper end and in the middle position of the bottom plate, and an annular baffle is provided near the edge position of the upper end of the bottom plate; the screening device for collecting tea leaves in layers for tea processing is convenient for staff to add tea leaves to the screening barrel, effectively improves work efficiency, avoids tea leaves from clogging the screening slot by accumulation, and effectively speeds up the screening speed of tea leaves;

[0004] Based on the above patent, tea leaves can be screened in layers through a layered setting, and the tea leaves can be moved by a scraper for screening. However, the tea leaves to be screened are dry tea leaves, and the scraper drives the tea leaves to move and come into contact with the screening plate, causing the tea leaves to be crushed and the amount of debris to increase. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a debris screening device for tea processing, which can classify and screen tea leaves, improve the screening effect, and avoid blockage.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A debris screening device for tea processing comprises a left cover plate, the right side exterior of the left cover plate is fixedly connected to a shell, the middle part of the left cover plate is rotatably connected to a rotating shaft, the left middle part of the left cover plate is fixedly connected to a motor, the output end of the motor is fixedly connected to the left end top of the rotating shaft, the left and right ends of the rotating shaft are fixedly connected to a fixing rod, the outer end of the fixing rod is fixedly connected to a first screening barrel, the right end of the first screening barrel is tightly fitted with the left side of the left cover plate, the inner wall of the first screening barrel is fixedly connected to a plurality of first toggle plates, the left end of the outer wall of the first screening barrel is fixedly connected to a connecting ring, the outer wall of the connecting ring is fixedly connected to a second screening barrel, the inner wall of the second screening barrel is fixedly connected to a plurality of second toggle plates, and an auxiliary component is provided at the inner upper end of the left cover plate.

[0008] Furthermore, the right end of the shell is fixedly connected to the right cover plate, the lower middle side of the right cover plate is rotatably connected to the first rotating plate, and the right side of the first rotating plate is fixedly connected to the first handle.

[0009] Furthermore, a second rotating plate is rotatably connected to the middle portion of the lower end of the right cover plate, and a second handle is fixedly connected to the right side of the second rotating plate.

[0010] Furthermore, the auxiliary component includes a first U-shaped tube fixedly connected to the upper end of the right cover plate, a first nozzle is fixedly connected to the opposite side of the left end of the first U-shaped tube, a second U-shaped tube is arranged below the first U-shaped tube, a second nozzle is fixedly connected to the opposite side of the left end of the second U-shaped tube, the upper right end of the right cover plate is fixedly connected to a support plate, the lower side of the support plate is fixedly connected to an air pump, the air outlet of the air pump is fixedly connected to a guide pipe, and the left end of the guide pipe is fixedly connected to the middle of the right end of the first U-shaped tube and the second U-shaped tube respectively.

[0011] Furthermore, the left end of the first U-shaped tube is passed through the interior of the outer shell and is located at the front and rear sides of the exterior of the second screening barrel.

[0012] Furthermore, the left end of the second U-shaped tube is inserted into the interior of the outer shell and is located at the front and rear sides of the first screening barrel.

[0013] Furthermore, a feed port is fixedly connected to the left upper end of the left cover plate, and the right end of the feed port is located at the left upper end of the first screening barrel.

[0014] Furthermore, a discharge port is fixedly connected to the middle portion of the lower side of the shell, and a base is fixedly connected to both left and right ends of the lower side of the shell.

[0015] The utility model has the following beneficial effects:

[0016] 1. In the utility model, the first screening barrel and the first toggle plate are driven to rotate by the rotating shaft, the motor and the fixed rod. The first toggle plate drives the second screening barrel and the second toggle plate to rotate through the connecting ring, thereby grading and screening the tea leaves. The tea leaves are turned over by the first toggle plate and the second toggle plate, providing a good screening effect and avoiding the crushing of the tea leaves.

[0017] 2. In the utility model, the air pump and the guide pipe are used to introduce gas into the first U-shaped tube and the second U-shaped tube, and the gas is sprayed out through the first nozzle and the second nozzle and blown toward the first screening barrel and the second screening barrel, which can drive the tea leaves to turn over and avoid blockage, and at the same time clean the dust remaining on the surface of the tea leaves. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is an overall schematic diagram of a debris screening device for tea processing proposed by the present invention;

[0019] Figure 2 This is a schematic diagram of the rotating shaft of a debris screening device for tea processing proposed by the present invention;

[0020] Figure 3 This is a schematic diagram of the connecting ring of a debris screening device for tea processing proposed by the present invention;

[0021] Figure 4 This is a schematic diagram of a guide tube of a debris screening device for tea processing proposed by the present invention.

[0022] Legend:

[0023] 1. Left cover; 2. Casing; 3. Rotating shaft; 4. Motor; 5. Fixed rod; 6. First screening barrel; 7. First toggle plate; 8. Connecting ring; 9. Second screening barrel; 10. Second toggle plate; 11. First U-shaped tube; 12. First nozzle; 13. Second U-shaped tube; 14. Second nozzle; 15. Support plate; 16. Air pump; 17. Guide tube; 18. Right cover; 19. First rotating plate; 20. First handle; 21. Second rotating plate; 22. Second handle; 23. Feed port; 24. Discharge port; 25. Base. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] Reference Figure 1-Figure 3The utility model provides an embodiment of a debris screening device for tea processing, comprising a left cover plate 1, the right side of the left cover plate 1 is fixedly connected to the outer shell 2, the middle part of the left cover plate 1 is rotatably connected to the rotating shaft 3, the left middle part of the left side of the left cover plate 1 is fixedly connected to the motor 4, the output end of the motor 4 is fixedly connected to the left end top of the rotating shaft 3, the left and right ends of the rotating shaft 3 are fixedly connected to the fixing rod 5, the outer end of the fixing rod 5 is fixedly connected to the first screening barrel 6, the right end of the first screening barrel 6 is tightly fitted with the left side of the left cover plate 1, the inner wall of the first screening barrel 6 is fixedly connected to a plurality of first toggle plates 7, the left end of the outer wall of the first screening barrel 6 is fixedly connected to the connecting ring 8, the outer wall of the connecting ring 8 A second screening barrel 9 is fixedly connected to the inner wall of the second screening barrel 9, and a plurality of second toggle plates 10 are fixedly connected to the right end of the shell 2. The right cover plate 18 is fixedly connected to the lower middle side of the right cover plate 18 and is rotatably connected to the first rotating plate 19. The right side of the first rotating plate 19 is fixedly connected to the first handle 20. The middle part of the lower end of the right cover plate 18 is rotatably connected to the second rotating plate 21. The right side of the second rotating plate 21 is fixedly connected to the second handle 22. The upper left end of the left cover plate 1 is fixedly connected to the feed port 23. The right end of the feed port 23 is located at the upper left end of the first screening barrel 6. A discharge port 24 is fixedly connected to the middle part of the lower side of the shell 2. The left and right ends of the lower side of the shell 2 are fixedly connected to the base 25.

[0026] The tea leaves are placed in the first screening barrel 6 through the provided feed port 23, and the provided motor 4 is started to drive the first screening barrel 6 to rotate through the rotating shaft 3 and the fixed rod 5. The first screening barrel 6 drives the second screening barrel 9 to rotate through the connecting ring 8. The rotating first screening barrel 6 drives the tea leaves to turn over through the first toggle plate 7. The smaller tea leaves and debris in the tea leaves pass through the first screening barrel 6 and fall on the inner side of the second screening barrel 9. The second screening barrel 9 and the second toggle plate 10 rotate, driving the smaller tea leaves and debris to turn over. The debris passes through the second screening barrel 9 and is discharged and collected through the discharge port 24. After screening is completed, the first rotating plate 19 is opened to take out the larger tea leaves, and the second rotating plate 21 is opened to take out the smaller tea leaves. The tea leaves can be graded and classified by the provided first screening barrel 6 and the second screening barrel 9. The tea leaves are driven to turn over by the first screening barrel 6 and the first toggle plate 7, the second screening barrel 9 and the second toggle plate 10, which can improve the screening effect of the tea leaves and avoid the tea leaves being squeezed and crushed, resulting in an increase in debris.

[0027] Reference Figure 1 , Figure 2 and Figure 4The auxiliary component includes a first U-shaped tube 11 fixedly connected to the upper end of the right cover plate 18, and a first nozzle 12 is fixedly connected to the opposite side of the left end of the first U-shaped tube 11. A second U-shaped tube 13 is provided below the first U-shaped tube 11, and a second nozzle 14 is fixedly connected to the opposite side of the left end of the second U-shaped tube 13. The upper right end of the right cover plate 18 is fixedly connected to a supporting plate 15, and the lower side of the supporting plate 15 is fixedly connected to an air pump 16. The air outlet of the air pump 16 is fixedly connected to a guide pipe 17, and the left ends of the guide pipe 17 are respectively fixedly connected to the first U-shaped tube 11 and the middle of the right ends of the second U-shaped tube 13. The left end of the first U-shaped tube 11 is arranged inside the shell 2 and is located at the front and rear sides of the outside of the second screening barrel 9. The left end of the second U-shaped tube 13 is arranged inside the shell 2 and is located at the front and rear sides of the first screening barrel 6;

[0028] The air pump 16 can inject gas into the first U-shaped tube 11 and the second U-shaped tube 13 through the guide tube 17 during screening, and spray it out through the first nozzle 12 and the second nozzle 14, blowing it towards the first screening barrel 6 and the second screening barrel 9 to promote the turning of the tea leaves and avoid blockage, and at the same time clean the dust remaining on the surface of the tea leaves.

[0029] Working principle: tea leaves are placed inside the first screening barrel 6 through the provided feed inlet 23, and the provided motor 4 is started to drive the first screening barrel 6 to rotate through the rotating shaft 3 and the fixed rod 5. The first screening barrel 6 drives the second screening barrel 9 to rotate through the connecting ring 8. The rotating first screening barrel 6 drives the tea leaves to turn over through the first toggle plate 7. The smaller tea leaves and debris in the tea leaves pass through the first screening barrel 6 and fall on the inner side of the second screening barrel 9. The second screening barrel 9 and the second toggle plate 10 rotate, driving the smaller tea leaves and debris to turn over. The debris passes through the second screening barrel 9 and is discharged and collected through the discharge port 24. After screening is completed, the first rotating plate 19 is opened to take out the larger tea leaves, and the second rotating plate 21 is opened to take out the smaller tea leaves; the provided air pump 16 can inject gas into the first U-shaped tube 11 and the second U-shaped tube 13 through the guide pipe 17 during screening, and spray it through the first nozzle 12 and the second nozzle 14, blowing it to the first screening barrel 6 and the second screening barrel 9 to promote the turning of the tea leaves.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A debris screening device for tea processing, comprising a left cover plate (1), characterized in that: The right side of the left cover plate (1) is fixedly connected to the outer shell (2), the middle part of the left cover plate (1) is rotatably connected to the rotating shaft (3), the left middle part of the left cover plate (1) is fixedly connected to the motor (4), the output end of the motor (4) is fixedly connected to the top of the left end of the rotating shaft (3), the left and right ends of the rotating shaft (3) are fixedly connected to the fixing rod (5), the outer end of the fixing rod (5) is fixedly connected to the first screening barrel (6), the right end of the first screening barrel (6) is tightly matched with the left side of the left cover plate (1), the inner wall of the first screening barrel (6) is fixedly connected to a plurality of first toggle plates (7), the left end of the outer wall of the first screening barrel (6) is fixedly connected to a connecting ring (8), the outer wall of the connecting ring (8) is fixedly connected to a second screening barrel (9), the inner wall of the second screening barrel (9) is fixedly connected to a plurality of second toggle plates (10), and the upper inner end of the left cover plate (1) is provided with an auxiliary component.

2. A tea processing debris screening device according to claim 1, characterized in that: The right end of the housing (2) is fixedly connected to a right cover plate (18); the lower middle side of the right cover plate (18) is rotatably connected to a first rotating plate (19); and the right side of the first rotating plate (19) is fixedly connected to a first handle (20).

3. A tea processing debris screening device according to claim 2, characterized in that: The middle portion of the lower end of the right cover plate (18) is rotatably connected to a second rotating plate (21), and the right side of the second rotating plate (21) is fixedly connected to a second handle (22).

4. The tea processing debris screening device according to claim 1, characterized in that: The auxiliary component comprises a first U-shaped tube (11) fixedly connected to the upper end of the right cover plate (18), a first nozzle (12) fixedly connected to the opposite side of the left end of the first U-shaped tube (11), a second U-shaped tube (13) provided below the first U-shaped tube (11), a second nozzle (14) fixedly connected to the opposite side of the left end of the second U-shaped tube (13), a supporting plate (15) fixedly connected to the upper right end of the right cover plate (18), an air pump (16) fixedly connected to the lower side of the supporting plate (15), an air outlet of the air pump (16) fixedly connected to a guide tube (17), and the left end of the guide tube (17) fixedly connected to the middle of the right end of the first U-shaped tube (11) and the second U-shaped tube (13), respectively.

5. The tea processing debris screening device according to claim 4, characterized in that: The left end of the first U-shaped tube (11) is inserted into the interior of the outer shell (2) and is located at the front and rear sides of the exterior of the second screening barrel (9).

6. The tea processing debris screening device according to claim 4, characterized in that: The left end of the second U-shaped tube (13) is inserted into the interior of the outer shell (2) and is located at the front and rear sides of the first screening barrel (6).

7. The tea processing debris screening device according to claim 1, characterized in that: The left upper end of the left cover plate (1) is fixedly connected to a feed port (23), and the right end of the feed port (23) is located at the left upper end of the first screening barrel (6).

8. The tea processing debris screening device according to claim 1, characterized in that: A discharge port (24) is fixedly connected to the middle portion of the lower side of the shell (2), and a base (25) is fixedly connected to both left and right ends of the lower side of the shell (2).