Tea withering machine

By combining a multi-layer adjustable withering rack with a hot air circulation system, the problem of uneven heating of tea leaves is solved, achieving uniform spreading and efficient withering of tea leaves, thus improving the quality and safety of tea.

CN223667199UActive Publication Date: 2025-12-16GUANGXI LINGYUN YIJIAN TEA CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520245115.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-17
Publication Date
2025-12-16
Estimated Expiration
2035-02-17

AI Technical Summary

Technical Problem

Most existing tea withering equipment uses single-layer spreading, which results in uneven heating of the tea leaves, affecting the withering effect, and mechanical withering equipment is inefficient.

Method used

The design incorporates a multi-layer adjustable withering rack, a hot air circulation device, and a return air duct. The height adjustment mechanism ensures even spreading and heating of the tea leaves. A breathable mesh panel prevents the tea leaves from slipping, and an air filter ensures the cleanliness of the hot air.

Benefits of technology

This process ensures uniform heating of tea leaves, improves withering efficiency and quality, reduces energy consumption, and guarantees the quality and safety of the tea.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223667199U_ABST
    Figure CN223667199U_ABST
Patent Text Reader

Abstract

The utility model discloses a tea withering machine which is characterized in that the tea withering machine comprises a machine body, a multi-layer adjustable withering frame is arranged in the machine body, the multi-layer adjustable withering frame comprises at least two withering layers, and the positions of the withering layers are adjusted up and down through a height adjusting mechanism. A plurality of withering layers are arranged on the machine body, each withering layer is provided with a breathable mesh plate, the breathable mesh plates are used for supporting tea leaves and allowing air circulation, and a hot air circulation device is arranged on the side wall of the machine body and is used for providing hot air for the multi-layer adjustable withering frame to accelerate withering of the tea leaves; according to the tea leaf withering device, the multi-layer adjustable withering frame is designed, so that tea leaves can be uniformly spread on different withering layers, and the height of each withering layer is adjusted through the height adjusting mechanism; the withering requirements of different tea leaves are met, and uniform heating of the tea leaves in the withering process is ensured, so that the withering efficiency is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to tea processing equipment technical field, concretely is a kind of tea withering machine. BACKGROUND

[0002] Tea withering is an important link in tea processing, by making tea lose part of moisture, promote the chemical change of leaf cell composition, lay foundation for subsequent processes such as rolling, fermentation etc. Commonly used tea withering mode is generally divided into natural withering and mechanical withering two kinds, natural withering is generally directly placed on bamboo dustpan and withering operation is carried out using natural wind and natural light, and the efficiency is lower;So now more tea farmers begin to use tea withering machine to wither quickly, and this kind of tea withering equipment is mostly manually spread, and then unilateral hot air is blown, there are problems such as uneven spreading, low efficiency etc.

[0003] However, the existing tea withering equipment still has other deficiencies, for example, most of the existing tea withering equipment adopts single-layer spreading, which can easily lead to uneven heating of tea and affect the withering effect.

[0004] Therefore, it is necessary to provide a tea withering machine. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of tea withering machine to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A kind of tea withering machine, characterized in that: including machine body, multiple layers adjustable withering frame are arranged in the machine body, the multiple layers adjustable withering frame includes at least two withering layers, the withering layer in each layer is adjusted in position by height adjusting mechanism, each withering layer is provided with air-permeable mesh plate, the air-permeable mesh plate is used to support tea and allow air to circulate, the side wall of the machine body is provided with hot air circulation device, the hot air circulation device is used to provide hot air to multiple layers adjustable withering frame to accelerate tea withering.

[0008] Preferably, the height adjusting mechanism includes guide rail arranged on both sides of the machine body, both sides of each withering layer are provided with sliding block matched with the guide rail, the sliding block can slide up and down on the guide rail, the top of the machine body is provided with lead screw motor, the output shaft of the lead screw motor is provided with lead screw, the lead screw penetrates each withering layer and is threadedly connected with corresponding sliding block, the height adjustment of each withering layer is realized by the forward and reverse rotation of lead screw motor.

[0009] Preferably, the guide rail is provided with a plurality of positioning holes, and the sliding block is provided with positioning pins matched with the positioning holes, the positioning pins are inserted into the corresponding positioning holes to fix the position of the withering layer.

[0010] Preferably, a heating plate is arranged below each of the withering layers, the heating plate is used for providing additional heat to accelerate the withering of tea leaves, the heating plate is connected with a power supply through a temperature controller, and the temperature controller is used for controlling the working temperature and working time of the heating plate.

[0011] Preferably, the air-permeable mesh plate is provided with a plurality of uniformly distributed air-permeable holes, the diameter of the air-permeable holes is smaller than the diameter of the tea leaves, so as to prevent the tea leaves from falling off, and the edge of the air-permeable mesh plate is provided with an upwardly folded edge, which is used for preventing the tea leaves from sliding off the withering layer.

[0012] Preferably, the hot air circulating device comprises a hot air blower arranged on the side wall of the machine body, the air outlet of the hot air blower is communicated with the inside of the machine body through a hot air pipeline, a plurality of hot air nozzles are arranged on the hot air pipeline and uniformly distributed in the inside of the machine body, so as to provide uniform hot air to the multi-layer adjustable withering frame.

[0013] Preferably, a return air pipeline is further arranged on the hot air pipeline, one end of the return air pipeline is communicated with the inside of the machine body, and the other end is connected with the air inlet of the hot air blower, so as to form a hot air circulation loop.

[0014] Preferably, an air filter is arranged on the return air pipeline, the air filter is used for filtering out impurities and odors in the air to ensure the cleanliness of the hot air.

[0015] Preferably, the bottom of the machine body is provided with a movable wheel with a brake device, which facilitates the movement and fixation of the tea withering machine.

[0016] Compared with the prior art, the tea withering machine has the following beneficial effects:

[0017] 1. The multi-layer adjustable withering frame is designed, so that the tea leaves can be evenly spread on different withering layers, and the height adjustment mechanism is used to adjust the height of each withering layer, which not only meets the withering needs of different tea leaves, but also ensures uniform heating of the tea leaves during the withering process, thereby improving the withering efficiency.

[0018] 2. The hot air circulation device and the return air pipeline are combined to form a hot air circulation loop, which not only improves the utilization rate of hot air and reduces energy consumption, but also filters out impurities and odors in the air through the air filter, so as to ensure the cleanliness of the hot air entering the hot air blower. The optimized hot air circulation and filtration system effectively avoids the pollution of the tea leaves during the withering process, thereby improving the quality and safety of the tea leaves. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the schematic diagram of the three-dimensional structure under the first visual angle of the utility model;

[0020] Figure 2 It is the top sectional view of the three-dimensional structure under the second visual angle of the utility model;

[0021] Figure 3 It is Figure 2 The partial enlarged view of A;

[0022] Figure 4 It is the left view half sectional view of the utility model;

[0023] Figure 5 It is Figure 4 The partial enlarged view of B;

[0024] Figure 6 It is the top view of the top section of the utility model.

[0025] In the figure: 1-machine body; 2-adjustable withering frame; 201-withering layer; 202-air permeable mesh plate; 203-air permeable hole; 204-edge; 3-height adjusting mechanism; 301-guiding rail; 302-sliding block; 303-screw motor; 304-screw; 305-positioning hole; 306-positioning pin; 4-hot air circulating device; 401-hot air blower; 402-hot air pipeline; 403-hot air nozzle; 404-return air pipeline; 405-air filter; 5-heating plate; 6-temperature controller; 7-moving wheel. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] As Figures 1 to 6 shown, the embodiment provides a tea withering machine, the withering machine includes a machine body 1, the machine body 1 is provided with multiple layers adjustable withering frame 2; as Figure 4 shown, the multiple layers adjustable withering frame 2 preferably includes three withering layers 201, of course, according to actual demand, the number of withering layers 201 can be adjusted;Each layer of withering layer 201 is adjusted in up-down position by height adjusting mechanism 3.

[0028] Further, in order to realize the adjustment of the different layers of the withering layer 201, the height adjustment mechanism 3 comprises guide rails 301 arranged on both sides of the machine body 1, and each layer of the withering layer 201 is provided with a sliding block 302 matched with the guide rail 301; the sliding block 302 can slide up and down on the guide rail 301, thereby realizing the height adjustment of the withering layer 201; further, a lead screw motor 303 is arranged on the top of the machine body 1, and a lead screw 304 is arranged on the output shaft of the lead screw motor 303; the lead screw 304 penetrates through each layer of the withering layer 201 and is threadedly connected with the corresponding sliding block 302 (i.e. the sliding block 302 on the withering layer 201 of the layer to be controlled is threadedly connected); through the forward and reverse rotation of the lead screw motor 303, the lead screw 304 can be driven to rotate, thereby driving the sliding block 302 to slide up and down on the guide rail 301, realizing the height adjustment of the withering layer 201.

[0029] Further optimization, the guide rail 301 is provided with a plurality of positioning holes 305, and correspondingly, the sliding block 302 is provided with a positioning pin 306 matched with the positioning hole 305; when it is needed to fix the position of the withering layer 201, the operator can insert the positioning pin 306 into the corresponding positioning hole 305, thereby realizing the stable fixing of the withering layer 201; of course, the self-locking of the lead screw motor 303 and the lead screw 304 can also be used to realize the fixing, but the stability is not good and the lead screw motor 303 may be damaged; and, usually, only the withering layer 201 needs to be adjusted to the appropriate height for a long time during the withering of tea, that is, it is not necessary to adjust frequently in actual use, therefore, this positioning mode matched by the positioning pin 306 and the positioning hole 305 is not only simple to operate, but also stable and reliable, which can ensure that the withering layer 201 will not shake or deviate during the withering process, thereby ensuring the withering effect.

[0030] More specifically, the upper side of each layer of the withering layer 201 is provided with a breathable mesh plate 202, and the breathable mesh plate 202 is provided with a plurality of evenly distributed breathable holes 203; the diameter of the breathable hole 203 is designed to be smaller than the diameter of the tea, so as to prevent the tea from falling off from the breathable hole 203 during the withering process; at the same time, the edge of the breathable mesh plate 202 is also provided with an upwardly folded edge 204, and the height of the edge 204 is moderate, which can effectively prevent the tea from sliding off from the withering layer 201, and will not hinder the operation of the operator.

[0031] During the withering process of the tea, the uniformity of the hot air is crucial, and the non-uniformity of the hot air will cause the tea in different parts to be heated unevenly, resulting in uneven withering, which seriously affects the quality of the tea; therefore, a hot air circulation device 4 is arranged on the side wall of the machine body 1, which is used to generate uniform hot air to the tea; specifically, as shown in Figures 1 to 6As shown, the hot air circulation device 4 comprises a hot air fan 401, a hot air pipeline 402 and hot air nozzles 403; wherein: the hot air fan 401 is communicated with the inside of the machine body 1 through the hot air pipeline 402, and the hot air pipeline 402 is uniformly distributed with a plurality of hot air nozzles 403, specifically, the hot air pipeline 402 extends into the inside of the machine body 1 and uniformly forms the hot air nozzles 403; after the hot air fan 401 is started, hot air is conveyed to the inside of the machine body 1 through the hot air pipeline 402 and is uniformly sprayed on the tea leaves on the multi-layer adjustable withering rack 2 through the hot air nozzles 403; the design of the hot air circulation device 4 can ensure that the hot air is uniformly distributed in the machine body 1, thereby improving the withering effect of the tea leaves.

[0032] In addition, if the hot air contains impurities, it is easy to cause pollution to the tea leaves, therefore, the hot air pipeline 402 is further provided with an air return pipeline 404, one end of the air return pipeline 404 is communicated with the inside of the machine body 1, and the other end is connected with the air inlet of the hot air fan 401, forming a hot air circulation loop; of course, the tea leaves may carry impurities by themselves, and the hot air will carry these impurities into the circulation after blowing through the tea leaves, therefore, an air filter 405 needs to be arranged on the air return pipeline 404, that is, the air filter 405 is communicated into the loop of the air return pipeline 404, the air filter 405 can filter out impurities and odors in the air, ensuring the cleanliness of the hot air entering the hot air fan 401; the design of the hot air circulation loop can not only improve the utilization rate of the hot air and reduce the energy consumption, but also can avoid pollution to the tea leaves, of course, the circulation of the hot air can continuously clean the tea leaves, thereby ensuring the quality of the tea leaves.

[0033] Further optimization, the utility model discloses the bottom of machine body 1 is provided with movable wheel 7, movable wheel 7 has brake device, this design makes tea withering machine can conveniently move and fix according to need, when needing to move tea withering machine, the operator can release brake device, and push machine body 1 and move, when needing to fix tea withering machine, the operator can step on brake device, and machine body 1 is stably fixed on the ground, this design not only improves the flexibility of tea withering machine, but also can ensure the stability of machine body 1 in the withering process.

[0034] In actual use, the operator can adjust the height of each layer of the withering layer 201 through the height adjusting mechanism 3 according to the type and quantity of tea leaves and the requirement of the withering process, so as to meet the requirement of withering of different tea leaves; meanwhile, the operator can also accurately control the working temperature and working time of the heating plate 5 through the temperature controller 6; specifically, the lower side of each layer of the withering layer 201 is provided with a heating plate 5 (preferably, the hot air pipeline 402 can be inlaid in the heating plate 5, and the heating plate 5 can supplement the heat of the hot air flowing through the hot air pipeline 402), which is used for providing additional heat to accelerate the withering of tea leaves; the heating plate 5 is connected with the power supply through the temperature controller 6, and the temperature is controlled to further accelerate the withering process of tea leaves and improve the withering effect.

[0035] In summary, the tea withering machine provided by the utility model realizes uniform spreading and heating of tea leaves, improves the withering efficiency and quality through the adoption of the multi-layer adjustable withering frame structure design; meanwhile, the tea withering machine also has the advantages of simple structure, convenient operation, strong flexibility, etc., can meet the requirement of different tea withering processes, and has a wide application prospect.

[0036] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A tea leaf withering machine characterised in that: The utility model provides a kind of tea withering machine, including body (1), multiple layers adjustable withering frame (2) are provided in the body (1), the multiple layers adjustable withering frame (2) includes at least two layers withering layer (201), the height adjusting mechanism (3) is adjusted between each layer the upper and lower position of withering layer (201), and air-permeable mesh plate (202) is provided on each layer withering layer (201), and the air-permeable mesh plate (202) is used to support tea and allow air to circulate, and the side wall of the body (1) is provided with hot air circulation device (4), and the hot air circulation device (4) is used to provide hot air to multiple layers adjustable withering frame (2) to accelerate tea withering.

2. A tea withering machine as claimed in claim 1 wherein: The height adjusting mechanism (3) includes guide rail (301) arranged on both sides of the body (1), and sliding block (302) matched with the guide rail (301) is arranged on both sides of each layer withering layer (201), the sliding block (302) can slide up and down on the guide rail (301), and lead screw motor (303) is arranged on the top of the body (1), the output shaft of the lead screw motor (303) is provided with lead screw (304), the lead screw (304) penetrates each layer withering layer (201) and is threadedly connected with the corresponding sliding block (302), and the height of each layer withering layer (201) is adjusted by the forward and reverse rotation of the lead screw motor (303).

3. A tea withering machine as claimed in claim 2 wherein: The guide rail (301) is provided with a plurality of positioning holes (305), and the sliding block (302) is provided with a positioning pin (306) matched with the positioning hole (305), the positioning pin (306) is inserted into the corresponding positioning hole (305) to fix the position of the withering layer (201).

4. A tea withering machine according to claim 2 or 3, characterised in that: A heating plate (5) is arranged below each layer withering layer (201), the heating plate (5) is used to provide additional heat to accelerate tea withering, and the heating plate (5) is connected with the power supply through a temperature controller (6), and the temperature controller (6) is used to control the working temperature and working time of the heating plate (5).

5. A tea withering machine as claimed in claim 4 wherein: The air-permeable mesh plate (202) is provided with a plurality of evenly distributed air-permeable holes (203), the diameter of the air-permeable hole (203) is smaller than the diameter of the tea to prevent the tea from falling, and the edge of the air-permeable mesh plate (202) is provided with an upwardly folded edge (204) for preventing the tea from sliding off the withering layer (201).

6. A tea withering machine as claimed in claim 5 wherein: The hot air circulation device (4) includes a hot air blower (401) arranged on the side wall of the body (1), the air outlet of the hot air blower (401) is communicated with the inside of the body (1) through a hot air duct (402), and a plurality of hot air nozzles (403) are arranged on the hot air duct (402), the hot air nozzles (403) are evenly distributed in the inside of the body (1) to provide uniform hot air to the multiple layers adjustable withering frame (2).

7. A tea withering machine as claimed in claim 6 wherein: The hot air duct (402) is also provided with an air return duct (404), one end of the air return duct (404) is communicated with the inside of the body (1), and the other end is connected with the air inlet of the hot air blower (401) to form a hot air circulation loop.

8. A tea withering machine as claimed in claim 7, characterized in that: The return air pipeline (404) is provided with an air filter (405) for filtering out impurities and peculiar smell in the air to ensure the cleanness of the hot air.

9. A tea withering machine according to any one of claims 5 to 8 or 2 or 3 characterised in that: The bottom of the machine body (1) is provided with a moving wheel (7) with a brake device, which facilitates the movement and fixation of the tea withering machine.