Fresh leaf spreading and airing table and automatic spreading and airing machine

By using a motor-driven flipping assembly and an ultraviolet lamp-sterilized fresh leaf drying platform and automatic drying machine, the problems of unevenness and microbial contamination during the tea drying process are solved, achieving an efficient and hygienic fresh leaf drying process.

CN224050898UActive Publication Date: 2026-03-27PINGSHAN YUANLIN TEA CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-27
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

The existing tea-drying process suffers from problems such as unevenness, low efficiency, susceptibility to weather conditions, susceptibility to microbial contamination, and mechanical damage caused by manual operation.

Method used

The system employs a motor-driven flipping assembly and servo motor control, combined with ultraviolet lamp disinfection and visual sensor monitoring, to achieve uniform drying of fresh leaves and intelligent operation, reducing mechanical damage and ensuring hygiene quality.

Benefits of technology

This method achieves uniform drying of fresh leaves, improves the quality of the finished product, prevents microbial contamination, reduces labor intensity, and increases production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a fresh leaf spreading and airing table and an automatic spreading and airing machine, and belongs to the technical field of tea production, the fresh leaf spreading and airing table comprises a bottom plate, supporting legs fixedly connected to the four corners of the top of the bottom plate respectively and a table body fixedly connected among the tops of the four supporting legs, and the left side of the table body is provided with an overturning assembly used for evenly spreading and airing fresh leaves; the overturning assembly comprises a motor fixedly connected to the left side of the table body, an output shaft of the motor is fixedly connected with a connecting rod, the right end of the connecting rod is fixedly connected with a transmission wheel, the outer surface of the transmission wheel is in transmission connection with a transmission belt, and one end of the back face of the transmission belt is in transmission connection with a driven wheel. A fixing rod is fixedly connected to the inner side of the circle center of the driven wheel, and overturning blades are fixedly connected to the outer side of the connecting rod and the outer side of the fixing rod. According to the fresh leaf spreading and airing table and the automatic spreading and airing machine, fresh leaves can be periodically turned over through the turnover assembly driven by the motor, it is ensured that all parts of the fresh leaves make uniform contact with air, and the local humidity is prevented from being too high or too low.
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Description

TECHNICAL FIELD

[0001] The utility model relates to tea production technical field, concretely is a kind of fresh leaf spreading and airing platform and automatic spreading and airing machine. BACKGROUND

[0002] In the processing of tea, tobacco, medicinal materials and other agricultural products, the spreading and airing of fresh leaves is a crucial link. The purpose of spreading and airing is to remove the moisture on the surface of fresh leaves through uniform ventilation and moderate drying, while maintaining its color, aroma and nutritional ingredients.

[0003] The spreading and airing method is mostly natural airing or simple spreading and airing frame, which has the following problems: natural airing is greatly affected by weather, and fresh leaves are easily unevenly heated, leading to excessive drying or high humidity in some areas, affecting quality. The spreading and airing method relies on manual operation, which is labor-intensive and inefficient, and cannot meet the needs of large-scale production. Fresh leaves are easily contaminated by microorganisms during the spreading and airing process, affecting the sanitary quality of the product. When manually turning fresh leaves, leaf damage is likely to occur, affecting the appearance and quality of the finished product. Therefore, a fresh leaf spreading and airing platform and automatic spreading and airing machine are proposed to solve the above problems. SUMMARY

[0004] To overcome the shortcomings of the prior art, the utility model provides a fresh leaf spreading and airing platform and automatic spreading and airing machine, which has the advantages of uniform spreading and airing, improved quality, and solves the problems of uneven spreading and airing, low efficiency, etc.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A fresh leaf spreading and airing platform and automatic spreading and airing machine, comprising a bottom plate, four legs fixedly connected to the top of the bottom plate, and a platform body fixedly connected to the top of the four legs, the left side of the platform body is provided with a turnover assembly for uniform spreading and airing of fresh leaves;

[0007] The turnover assembly comprises a motor fixedly connected to the left side of the platform body, the output shaft of the motor is fixedly connected with a connecting rod, the right end of the connecting rod is fixedly connected with a transmission wheel, the outer surface of the transmission wheel is drivingly connected with a transmission belt, one end of the back surface of the transmission belt is drivingly connected with a driven wheel, the inner side of the center of the driven wheel is fixedly connected with a fixed rod, and the outer side of the connecting rod and the outer side of the fixed rod are both fixedly connected with a turnover leaf.

[0008] Further, a through opening is formed in the bottom of the inner side of the platform body, and an intercepting net is fixedly connected to the inner side of the through opening.

[0009] Further, an installation plate is fixedly connected between the opposite side walls of the left and right two legs, and a UV lamp is fixedly connected to the top of the installation plate.

[0010] Further, the number of the ultraviolet lamps is three, and the three ultraviolet lamps are arranged equidistantly along the front-rear direction of the mounting plate.

[0011] Further, the motor is a servo motor, and a motor frame is fixedly connected to the outer side of the motor and fixedly connected to the left side of the table body through bolts.

[0012] Further, a silica gel sleeve is fixedly connected to the outer side of the turnover leaf blade, and a plurality of micropores are formed in the inner side of the turnover leaf blade.

[0013] Further, a support is fixedly connected to the outer side of the table body, and a visual sensor is fixedly connected to the inner top wall of the support.

[0014] Further, the right end of the connecting rod penetrates the left side wall of the table body, the mounting opening of the corresponding turnover leaf and the inner right side wall of the table body in sequence and extends to the outside of the table body and is fixedly connected with the transmission wheel, and the left end of the fixed rod penetrates the right side wall of the table body and the mounting opening of the corresponding turnover leaf in sequence and is rotationally connected with the inner left side wall of the table body.

[0015] On the other hand, the application also relates to an automatic spreading machine, comprising the fresh leaf spreading table.

[0016] Compared with the prior art, the fresh leaf spreading table and the automatic spreading machine have the following beneficial effects:

[0017] The fresh leaf spreading table and the automatic spreading machine, through the turnover assembly driven by the motor, can periodically turn the fresh leaves, ensure that the fresh leaves are evenly contacted with air, avoid local humidity being too high or too low, improve the spreading effect and the quality of finished products, the ultraviolet lamps are equidistantly arranged along the mounting plate, can uniformly irradiate the spreading area, effectively kill the microorganisms on the surface of the fresh leaves, prevent pollution, ensure the sanitary quality of products, the outer side of the turnover leaf is provided with a silica gel sleeve, and the inner side is provided with micropores, which not only reduces the mechanical damage to the fresh leaves during turning, but also allows air circulation, further promotes uniform drying, the visual sensor monitors the spreading state of the fresh leaves in real time, judges the drying degree and uniformity of the fresh leaves through image recognition technology, and dynamically adjusts the turnover frequency or the ultraviolet irradiation intensity, realizes intelligent operation. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is a sectional view of the structure of the utility model;

[0019] Fig. 2 It is a back view of the structure of the utility model;

[0020] Fig. 3 It is a perspective view of the middle plate, the supporting leg and the table body of the structure of the utility model.

[0021] In the figure: 1, the base plate; 2, the supporting leg; 3, the table body; 4, the motor; 5, the connecting rod; 6, the transmission wheel; 7, the transmission belt; 8, the driven wheel; 9, the fixed rod; 10, the turnover leaf; 11, the interception net; 12, the mounting plate; 13, the ultraviolet lamp; 14, the support; 15, the visual sensor. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly 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 other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figs. 1-3 In the embodiment, the turnover assembly comprises a motor 4 fixedly connected to the left side of the table body 3, the output shaft of the motor 4 is fixedly connected with a connecting rod 5, the right end of the connecting rod 5 is fixedly connected with a transmission wheel 6, the outer surface of the transmission wheel 6 is drivingly connected with a transmission belt 7, one end of the back surface of the transmission belt 7 is drivingly connected with a driven wheel 8, the inner side of the center of the driven wheel 8 is fixedly connected with a fixed rod 9, and the outer side of the connecting rod 5 and the outer side of the fixed rod 9 are both fixedly connected with a turnover leaf 10.

[0024] Please refer to Fig. 1 In the embodiment, the turnover assembly comprises a motor 4 fixedly connected to the left side of the table body 3, the output shaft of the motor 4 is fixedly connected with a connecting rod 5, the right end of the connecting rod 5 is fixedly connected with a transmission wheel 6, the outer surface of the transmission wheel 6 is drivingly connected with a transmission belt 7, one end of the back surface of the transmission belt 7 is drivingly connected with a driven wheel 8, the inner side of the center of the driven wheel 8 is fixedly connected with a fixed rod 9, and the outer side of the connecting rod 5 and the outer side of the fixed rod 9 are both fixedly connected with a turnover leaf 10.

[0025] Specifically, the bottom of the inner side of the table body 3 is provided with a through opening, and the inner side of the through opening is fixedly connected with an interception net 11.

[0026] It should be noted that the main function of the interception net 11 is to prevent the fresh leaves from falling off from the through opening during the spreading and airing process, while allowing the air to circulate, so as to ensure the uniform drying of the fresh leaves. The interception net 11 is made of corrosion-resistant and high-temperature-resistant materials, such as stainless steel or food-grade plastic, so as to ensure the safety and durability during long-term use.

[0027] Specifically, the opposite side walls between the left and right two supporting legs 2 are fixedly connected with a mounting plate 12, and the top of the mounting plate 12 is fixedly connected with an ultraviolet lamp 13.

[0028] It should be noted that the ultraviolet lamp 13 is used for sterilization and disinfection, so as to prevent the fresh leaves from being contaminated by microorganisms during the spreading and airing process, and to ensure the sanitary quality of the fresh leaves.

[0029] Specifically, the number of the ultraviolet lamps 13 is three, and the three ultraviolet lamps 13 are arranged equidistantly along the front-rear direction of the mounting plate 12.

[0030] It should be noted that the three ultraviolet lamps 13 are equidistantly arranged along the front-rear direction of the mounting plate 12, which ensures uniform irradiation of the entire spreading area.

[0031] Specifically, the motor 4 is a servo motor, and the outer side of the motor 4 is fixedly connected with a motor bracket, and the motor bracket is fixedly connected to the left side of the table body 3 through bolts.

[0032] It should be noted that the servo motor is selected because it has precise speed control and position control capabilities, and is suitable for occasions that require frequent start-stop and precise operation.

[0033] Specifically, the outer side of the blade of the turnover leaf 10 is fixedly connected with a silica gel sleeve, and the inner side of the blade of the turnover leaf 10 is provided with a plurality of micropores.

[0034] It should be noted that the turnover leaf 10 is used to turn the fresh leaves to ensure uniform spreading, and the design of the silica gel sleeve and the micropores can reduce mechanical damage to the fresh leaves while allowing air circulation.

[0035] Specifically, the outer side of the table body 3 is fixedly connected with a support 14, and the inner top wall of the support 14 is fixedly connected with a visual sensor 15.

[0036] It should be noted that the visual sensor 15 is used to monitor the spreading state of the fresh leaves in real time, and the drying degree and uniformity of the fresh leaves are determined through image recognition technology.

[0037] Specifically, the right end of the connecting rod 5 sequentially penetrates the left side wall of the table body 3, the mounting port corresponding to the turnover leaf 10, and the inner right side wall of the table body 3 and extends to the outside of the table body 3 and is fixedly connected with the transmission wheel 6, and the left end of the fixed rod 9 sequentially penetrates the right side wall of the table body 3 and the mounting port corresponding to the turnover leaf 10 and is rotationally connected with the inner left side wall of the table body 3.

[0038] On the other hand, the present application also relates to an automatic spreading machine, which comprises the fresh leaf spreading table in any of the above embodiments.

[0039] The working principle of the above embodiment is as follows:

[0040] The fresh leaves are evenly spread on the intercepting net 11 of the table body 3, the motor 4 is in standby state, the ultraviolet lamp 13 is turned on to carry out preliminary sterilization and disinfection, the motor 4 is started to drive the transmission wheel 6 to rotate through the connecting rod 5, the transmission wheel 6 drives the driven wheel 8 through the transmission belt 7, and then drives the fixed rod 9 to rotate, at this time, the connecting rod 5 and the fixed rod 9 drive the corresponding turnover leaves 10 to turn over respectively, so that the fresh leaves are evenly contacted with air, and local humidity is prevented from being too high or too low, meanwhile, the ultraviolet lamp 13 continuously works to sterilize and disinfect the fresh leaves, prevent microbial pollution, ensure the sanitary quality of the fresh leaves, and the visual sensor 15 monitors the spreading and airing state of the fresh leaves in real time, the dryness and uniformity of the fresh leaves are judged through image recognition technology, and the turnover frequency or ultraviolet irradiation intensity is adjusted if necessary.

[0041] The mounting mode, connecting mode or setting mode disclosed in the embodiment are all common mechanical connecting modes, and can be implemented as long as the beneficial effects can be achieved. In addition, the electrical elements appearing in the embodiment are all electrically connected with the master controller and the power supply, the master controller can be a conventional known device such as a computer which plays a control role, the control of the electrical elements can be realized by simple programming by the person skilled in the art, and the existing disclosed power connection technology also belongs to the common knowledge in the art, so the specific structure composition and working principle thereof will not be described in detail.

[0042] It should be noted that, in this document, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0043] It should be noted that, in this document, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitation, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or device including the element.

[0044] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A fresh leaf drying platform, comprising a base plate, legs fixedly connected to the four corners of the top of the base plate, and a platform body fixedly connected between the tops of the four legs, characterized in that: The left side of the platform is equipped with a flipping component for evenly spreading and drying fresh leaves. The flipping assembly includes a motor fixedly connected to the left side of the platform. The output shaft of the motor is fixedly connected to a connecting rod. The right end of the connecting rod is fixedly connected to a transmission wheel. The outer surface of the transmission wheel is connected to a transmission belt. One end of the back of the transmission belt is connected to a driven wheel. A fixed rod is fixedly connected to the inner side of the center of the driven wheel. Flipping blades are fixedly connected to the outer sides of both the connecting rod and the fixed rod.

2. The fresh leaf drying platform according to claim 1, characterized in that: An opening is provided at the bottom of the inner side of the platform body, and an interception net is fixedly connected to the inner side of the opening.

3. The fresh leaf drying platform according to claim 1, characterized in that: A mounting plate is fixedly connected between the opposite side walls of the left and right support legs, and an ultraviolet lamp is fixedly connected to the top of the mounting plate.

4. A fresh leaf drying platform according to claim 3, characterized in that: The number of ultraviolet lamps is three, and the three ultraviolet lamps are arranged at equal intervals along the front and back direction of the mounting plate.

5. A fresh leaf drying platform according to claim 1, characterized in that: The motor is a servo motor, and a motor frame is fixedly connected to the outside of the motor, and the motor frame is fixedly connected to the left side of the platform by bolts.

6. A fresh leaf drying platform according to claim 1, characterized in that: A silicone sleeve is fixedly connected to the outer side of the rotating blade, and several micropores are opened on the inner side of the rotating blade.

7. A fresh leaf drying platform according to claim 1, characterized in that: A bracket is fixedly connected to the outer side of the platform, and a vision sensor is fixedly connected to the inner top wall of the bracket.

8. A fresh leaf drying platform according to claim 1, characterized in that: The right end of the connecting rod passes through the left side wall of the platform, the mounting port of the corresponding flip-leaf, and the inner right side wall of the platform in sequence, and extends to the outside of the platform to be fixedly connected to the transmission wheel. The left end of the fixing rod passes through the right side wall of the platform and the mounting port of the corresponding flip-leaf in sequence, and is rotatably connected to the inner left side wall of the platform.

9. An automatic drying machine, characterized in that, The leaf drying platform includes any one of claims 1-8.