Tea leaf fixation device with screening function

By designing a tea-withering device with a screening function and utilizing a reverse-rotation drive mechanism and a heating mechanism, the problem of impurities and defective products affecting the quality of tea during the withering process was solved, thereby improving the quality of tea.

CN223403196UActive Publication Date: 2025-10-03JIANGXI GANCHA INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202422527283.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-18
Publication Date
2025-10-03
Estimated Expiration
2034-10-18

AI Technical Summary

Technical Problem

During the withering process of the existing tea leaf withering device, small impurities or defective products may be present in the tea leaves, affecting the overall quality of the tea leaves.

Method used

A tea withering device with screening function is designed. The reverse rotation drive mechanism drives the inner cylinder to rotate in different directions. Combined with the heating mechanism, the sieve holes are used to separate impurities or defective products. The smaller tea leaves fall through the feeding and discharging holes to ensure the quality of the tea.

Benefits of technology

Effectively remove impurities and defective products in tea, improve the overall quality of tea, and ensure the quality of tea.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of tea leaves, and discloses a tea leaf fixation device with a screening function, which comprises a working table, a discharge hole formed in the upper side surface of the working table, two U-shaped frames mounted at the upper end of the working table on two sides of the discharge hole, two groups of brackets mounted at the upper end of the working table, and outer cylinders fixedly mounted on the inner walls of the two groups of brackets, a discharging hole is formed in the outer wall of the outer cylinder, the discharging hole corresponds to the discharging hole in position, an inner cylinder is rotationally installed on the inner wall of the outer cylinder, multiple sets of screening holes are formed in the outer wall of the inner cylinder, a rotating cylinder is rotationally installed on the inner walls of the two U-shaped frames, and a rotating rod and the inner cylinder can be driven to rotate in different directions through a reverse rotation driving mechanism; according to the tea leaf fixation device, tea leaves can be better subjected to fixation under the cooperation of the heating mechanism, then impurities or defective products can fall into the outer cylinder from the sieve holes in the tea leaf rotating process, and therefore the broken and small tea leaves fall down from the discharging holes and the discharging holes, and then the quality of the tea leaves is guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of tea, in particular to a tea withering device with a screening function. Background Art

[0002] Killing the green tea is one of the primary processing steps for green tea, yellow tea, black tea, oolong tea, Pu'er tea, and some black tea. Its main purpose is to destroy and passivate the oxidase activity in the fresh leaves through high temperature, inhibit the enzymatic oxidation of tea polyphenols in the fresh leaves, evaporate part of the moisture in the fresh leaves, soften the tea leaves, and facilitate rolling and shaping. At the same time, it emits a green smell and promotes the formation of a good aroma. The main methods of killing tea leaves are pan-frying and drum-type killing. Large factories or general terraced tea mostly use drum-type machine killing.

[0003] The patent document with the authorized publication number CN219318891U discloses a tea-fixing device, which includes: a frame, a drying chamber, a hot air component, a rotating shaft and a driving component, wherein the frame is arranged on a preset installation plane, the rotating shaft passes through one end of the drying chamber to the other end, the drying chamber is a cylindrical structure and is rotatably connected to the top side of the frame by the rotating shaft, and the hot air component and the driving component are both arranged on the top side surface of the frame; the output end of the hot air component is connected to the drying chamber, and the output end of the driving component drives the outer surface of the side wall connected to the drying chamber, the rotating shaft is a hollow tubular structure, and the rotating shaft has a first connecting part, a second connecting part and an air outlet part that are interconnected, and the air outlet part has a plurality of air outlet holes. The disclosed tea-fixing device generates hot air through the hot air component, and the hot air is transmitted to the inside of the drying chamber through the rotating shaft. In this process, the hot air is ejected from the plurality of air outlet holes to dry the tea leaves in the drying chamber.

[0004] When the above device is implemented, during the process of withering the tea leaves, there may be some small impurities or small defective products in the tea leaves, which may affect the overall quality of the tea leaves. Utility Model Content

[0005] The purpose of the utility model is to provide a tea withering device with a screening function, which solves the problem that when the above devices are implemented, there are some smaller impurities or smaller defective products in the tea during the withering process, which may affect the overall quality of the tea.

[0006] The tea-tea-fixing device with a screening function is provided with a workbench, wherein the upper side surface of the workbench is provided with a discharge hole, and the upper end of the workbench located on both sides of the discharge hole is provided with two U-shaped frames. The upper end of the workbench is provided with two sets of brackets, and the inner walls of the two sets of brackets are fixedly installed with an outer cylinder, and the outer wall of the outer cylinder is provided with a discharge hole, and the discharge hole corresponds to the position of the discharge hole. The inner wall of the outer cylinder is rotatably installed with an inner cylinder, and the outer wall of the inner cylinder is provided with multiple sets of sieve holes, and the inner walls of the two U-shaped frames are rotatably installed with a rotating cylinder, and the outer wall of the rotating cylinder is provided with multiple sets of air holes, and the outer wall of the rotating cylinder located between the multiple sets of air holes is fixedly connected with multiple sets of connecting rods, and the multiple sets of connecting rods are fixedly connected with stir-frying plates near the inner wall of the inner cylinder, and the outer wall of the inner cylinder and the outer wall of the rotating cylinder are respectively provided with reverse rotation driving mechanisms, and a heating mechanism is provided on the side of the rotating cylinder away from the reverse rotation driving mechanism.

[0007] By adopting the above technical solution, the reverse rotation driving mechanism can drive the rotating rod and the inner cylinder to rotate in different directions. With the cooperation of the heating mechanism, the tea leaves can be better withered. Then, during the rotation process, the tea leaves can drop impurities or defective products from the sieve holes into the outer cylinder, so that the smaller tea leaves can fall into the feeding hole and the discharging hole, thereby ensuring the quality of the tea leaves.

[0008] Optionally, a feed hole is opened on one side of the inner cylinder, and a feed plate is magnetically attracted to the outer wall of the inner cylinder located on the side of the feed hole.

[0009] By adopting the above technical solution, the feeding plate and the inner cylinder are magnetically attracted to each other, which facilitates the disassembly and installation of the feeding plate, thereby facilitating the feeding of tea leaves into the inner cylinder.

[0010] Optionally, two groups of first U-shaped blocks are installed at the lower end of the workbench, and the inner walls of the two groups of first U-shaped blocks are respectively rotatably installed with electric push rods, and the outer walls below the two groups of electric push rods are respectively rotatably installed with second U-shaped blocks, and the lower ends of the two groups of second U-shaped blocks are fixedly connected to the same base plate.

[0011] By adopting the above technical solution, the second U-shaped block can be fixed by the bottom plate, and the second U-shaped block can provide rotational support for the electric push rod, and the electric push rod can be connected to the workbench with the cooperation of the first U-shaped block, so that the electric push rod can drive the workbench to deflect, which can facilitate the falling of the withered tea leaves.

[0012] Optionally, the heating mechanism includes a hot air blower, which is installed at the upper end of the corner of the workbench. A pipe is installed at the output end of the hot air blower, and the side of the pipe away from the hot air blower is fixedly installed through a rotating joint rotating cylinder.

[0013] By adopting the above technical solution, the workbench can fix the hot air blower, and the hot air blower can heat the inside of the inner cylinder with the cooperation of the pipeline.

[0014] Optionally, the reverse rotation drive mechanism includes a motor, which is installed on the upper end of the U-shaped frame. The output shaft of the motor is fixedly connected to a gear, the gear is engaged with a gear ring, and the gear ring is fixedly connected to the outer wall of the inner cylinder.

[0015] By adopting the above technical solution, the U-shaped frame can fix the motor, and the motor can drive the gear to rotate, and then the gear drives the inner cylinder to rotate in cooperation with the gear ring.

[0016] Optionally, the outer wall of the rotating cylinder and the outer wall of the motor output shaft are respectively fixedly connected with pulleys, the two groups of pulleys have different diameters, and the outer walls of the two groups of pulleys are driven by belts.

[0017] By adopting the above technical solution, the cooperation between the pulley and the belt can drive the rotating drum to rotate, thereby facilitating the rotating drum to drive the connecting rod to rotate.

[0018] Optionally, the opening area on the inner side of the U-shaped frame is larger than the area of ​​the feed plate.

[0019] By adopting the above technical solution, the opening area on the inner side of the U-shaped frame is larger than the area of ​​the feed plate, so that the feed plate can be conveniently used to discharge tea leaves.

[0020] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0021] The technical solution of the present application can drive the rotating rod and the inner cylinder to rotate in different directions through the reverse rotation drive mechanism. With the cooperation of the heating mechanism, it can better kill the tea leaves. Then, during the rotation process, the tea leaves can drop impurities or defective products from the sieve holes into the outer cylinder, so that the smaller tea leaves can fall into the feeding hole and the discharging hole, thereby ensuring the quality of the tea leaves. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Other features, objects and advantages of the present invention will become more apparent from the detailed description of the non-limiting embodiments with reference to the following drawings:

[0023] Figure 1 This is a front view schematic diagram of the tea-withering device with a screening function according to the present invention;

[0024] Figure 2 This is a front view of a partial cross-sectional view of the tea-withering device with a screening function according to the present invention;

[0025] Figure 3The utility model is a tea-withering device with a screening function. Figure 2 Enlarged view of point A in the middle;

[0026] Figure 4 It is a left side schematic diagram of the tea withering device with screening function of the present invention.

[0027] In the figure: 1. Workbench; 2. U-shaped frame; 3. Bracket; 4. Outer cylinder; 5. Inner cylinder; 6. Rotating cylinder; 7. Motor; 8. Gear; 9. Gear ring; 10. Pulley; 11. Belt; 12. Air vent; 13. Sieve hole; 14. Hot air blower; 15. Pipeline; 16. Feeding hole; 17. Discharging hole; 18. First U-shaped block; 19. Electric push rod; 20. Second U-shaped block; 21. Bottom plate; 22. Feeding plate; 23. Connecting rod; 24. Stir-frying plate. DETAILED DESCRIPTION

[0028] See also Figure 1-4 The utility model provides a technical solution: a tea withering device with a screening function, comprising a workbench 1, a discharge hole 17 is opened on the upper side of the workbench 1, two U-shaped frames 2 are installed on the upper end of the workbench 1 on both sides of the discharge hole 17, two sets of brackets 3 are installed on the upper end of the workbench 1, an outer cylinder 4 is fixedly installed on the inner wall of the two sets of brackets 3, a discharge hole 16 is opened on the outer wall of the outer cylinder 4, and the discharge hole 16 corresponds to the position of the discharge hole 17, an inner cylinder 5 is rotatably installed on the inner wall of the outer cylinder 4, and the inner cylinder The outer wall of the inner cylinder 5 is provided with multiple groups of sieve holes 13, and the inner walls of the two U-shaped frames 2 are rotatably mounted with a rotating cylinder 6. The outer wall of the rotating cylinder 6 is provided with multiple groups of air holes 12. The outer wall of the rotating cylinder 6 located between the multiple groups of air holes 12 is fixedly connected to multiple groups of connecting rods 23. The multiple groups of connecting rods 23 are fixedly connected to the inner wall of the inner cylinder 5 respectively. The outer wall of the inner cylinder 5 and the outer wall of the rotating cylinder 6 are respectively provided with a reverse rotation drive mechanism, and a heating mechanism is provided on the side of the rotating cylinder 6 away from the reverse rotation drive mechanism;

[0029] The heating mechanism includes a hot air blower 14, which is installed at the upper end of the corner of the workbench 1. A pipe 15 is installed at the output end of the hot air blower 14, and the side of the pipe 15 away from the hot air blower 14 is fixedly installed through a rotary joint rotating cylinder 6.

[0030] In the technical solution of the present invention, the reverse rotation driving mechanism can drive the rotating rod and the inner cylinder 5 to rotate in different directions. With the cooperation of the heating mechanism, the tea leaves can be better withered. Then, during the rotation process, the tea leaves can drop impurities or defective products from the sieve holes 13 into the outer cylinder 4, so that the smaller and more broken tea leaves can fall into the feeding hole 16 and the discharging hole 17, thereby ensuring the quality of the tea leaves.

[0031] In addition, the workbench 1 can fix the hot air blower 14 , and the hot air blower 14 can heat the inside of the inner tube 5 in cooperation with the pipeline 15 .

[0032] In the technical solution of the present utility model, Figure 2 and Figure 3 As shown, the reverse rotation drive mechanism includes a motor 7, which is installed on the upper end of the U-shaped frame 2. The output shaft of the motor 7 is fixedly connected to a gear 8, which is engaged with a gear ring 9. The gear ring 9 is fixedly connected to the outer wall of the inner cylinder 5. The U-shaped frame 2 can fix the motor 7, and the motor 7 can drive the gear 8 to rotate. Then, the gear 8 drives the inner cylinder 5 to rotate with the cooperation of the gear ring 9. The outer wall of the rotating cylinder 6 and the outer wall of the output shaft of the motor 7 are respectively fixedly connected with pulleys 10. The two groups of pulleys 10 have different diameters. The outer walls of the two groups of pulleys 10 are driven by belts 11. The cooperation between the pulleys 10 and the belts 11 can drive the rotating cylinder 6 to rotate, thereby facilitating the rotating cylinder 6 to drive the connecting rod 23 to rotate.

[0033] In the technical solution of the present utility model, Figure 2 and Figure 4 As shown, a feed hole is provided on one side of the inner cylinder 5, and a feed plate 22 is magnetically attracted to the outer wall of the inner cylinder 5 on the side of the feed hole. The feed plate 22 is magnetically attracted to the inner cylinder 5, which facilitates the disassembly and installation of the feed plate 22, and then facilitates the feeding of tea leaves into the inner cylinder 5. The opening area on the inner side of the U-shaped frame 2 is larger than the area of ​​the feed plate 22. The opening area on the inner side of the U-shaped frame 2 is larger than the area of ​​the feed plate 22, which facilitates the feeding of tea leaves at the feed plate 22.

[0034] In the technical solution of the present utility model, Figure 1 As shown, two groups of first U-shaped blocks 18 are installed at the lower end of the workbench 1, and electric push rods 19 are rotatably installed on the inner walls of the two groups of first U-shaped blocks 18, and second U-shaped blocks 20 are rotatably installed on the outer walls below the two groups of electric push rods 19. The lower ends of the two groups of second U-shaped blocks 20 are fixedly connected to the same bottom plate 21, and the bottom plate 21 can fix the second U-shaped blocks 20, and the second U-shaped blocks 20 can provide rotational support for the electric push rods 19. The electric push rods 19 can be connected to the workbench 1 with the cooperation of the first U-shaped blocks 18, so that the electric push rods 19 can drive the workbench 1 to deflect, so that the withered tea leaves can be conveniently dropped.

[0035] When in use, first, the external device control panel can be installed on the workbench 1 to control the device, so as to remove the feed plate 22 to facilitate the tea leaves to enter the inner cylinder 5, and then close the feed plate 22, so that the hot air blower 14 can transport the heat-sealed tea leaves from the pipe 15 and the air vent 12 to the inner cylinder 5, and then the motor 7 can drive the gear 8 to rotate, and then the gear 8 drives the inner cylinder 5 to rotate under the cooperation of the gear ring 9, and the pulley 10 and the belt 11 can drive the rotating cylinder 6 to rotate, so that the rotating cylinder 6 can drive the connecting rod 23 to rotate, and the rotating cylinder 6 has a different rotation direction from that of the inner cylinder 5, which facilitates the connecting rod 23 and the stir-frying plate 24 to stir the tea leaves better, thereby enhancing the withering effect of the tea leaves. During the rotation, the tea leaves can drop impurities or defective products from the sieve holes 13 into the outer cylinder 4, thereby allowing the smaller tea leaves to fall into the feeding hole 16 and the discharging hole 17, thereby ensuring the quality of the tea leaves. The impurities can be collected by the collecting mechanism placed on the bottom plate 21, and the electric push rod 19 pushes the workbench 1 to deflect, so that the feeding plate 22 can be removed, thereby allowing the feeding hole below to drop tea leaves.

Claims

1. A tea leaf withering device with screening function, characterized by: The invention comprises a workbench (1), wherein a discharge hole (17) is provided on the upper side of the workbench (1), two U-shaped frames (2) are installed on the upper end of the workbench (1) on both sides of the discharge hole (17), two groups of brackets (3) are installed on the upper end of the workbench (1), and outer cylinders (4) are fixedly installed on the inner walls of the two groups of brackets (3), and the outer wall of the outer cylinder (4) is provided with a discharge hole (16), and the discharge hole (16) corresponds to the position of the discharge hole (17), and the inner wall of the outer cylinder (4) is rotatably provided with an inner cylinder (5), and the outer wall of the inner cylinder (5) is provided with multiple groups of screens. Hole (13), a rotating cylinder (6) is rotatably mounted on the inner walls of the two U-shaped frames (2), a plurality of groups of air holes (12) are provided on the outer wall of the rotating cylinder (6), a plurality of groups of connecting rods (23) are fixedly connected to the outer wall of the rotating cylinder (6) between the plurality of groups of air holes (12), a plurality of groups of connecting rods (23) are fixedly connected to the inner wall of the inner cylinder (5), respectively, a stir-frying plate (24) is fixedly connected to the inner wall of the plurality of connecting rods (23), a reverse rotation driving mechanism is provided on the outer wall of the inner cylinder (5) and the outer wall of the rotating cylinder (6), and a heating mechanism is provided on the side of the rotating cylinder (6) away from the reverse rotation driving mechanism.

2. The tea leaf withering device with screening function according to claim 1, characterized in that: A feed hole is provided on one side of the inner cylinder (5), and a feed plate (22) is magnetically attracted to the outer wall of the inner cylinder (5) located on the side of the feed hole.

3. The tea leaf withering device with screening function according to claim 1, characterized in that: Two groups of first U-shaped blocks (18) are installed at the lower end of the workbench (1), and electric push rods (19) are rotatably installed on the inner walls of the two groups of first U-shaped blocks (18), and second U-shaped blocks (20) are rotatably installed on the outer walls below the two groups of electric push rods (19), and the lower ends of the two groups of second U-shaped blocks (20) are fixedly connected to the same bottom plate (21).

4. The tea leaf withering device with screening function according to claim 1, characterized in that: The heating mechanism comprises a hot air blower (14), which is installed at the upper end of the corner of the workbench (1). A pipe (15) is installed at the output end of the hot air blower (14), and the side of the pipe (15) away from the hot air blower (14) is fixedly installed via a rotary joint rotating cylinder (6).

5. The tea leaf withering device with screening function according to claim 1, characterized in that: The reverse rotation drive mechanism comprises a motor (7), the motor (7) being mounted on the upper end of the U-shaped frame (2), the output shaft of the motor (7) being fixedly connected to a gear (8), the gear (8) being meshed with a gear ring (9), and the gear ring (9) being fixedly connected to the outer wall of the inner cylinder (5).

6. The tea leaf withering device with screening function according to claim 5, characterized in that: The outer wall of the rotating cylinder (6) and the outer wall of the output shaft of the motor (7) are respectively fixedly connected with pulleys (10), the two groups of pulleys (10) have different diameters, and the outer walls of the two groups of pulleys (10) are driven by belts (11).

7. The tea leaf withering device with screening function according to claim 2, characterized in that: The opening area inside the U-shaped frame (2) is larger than the area of ​​the feed plate (22).

Citation Information

Patent Citations

  • Tea leaf fixation device

    CN219318891U