Box-type withering machine
By using a swing device and a wind guide device in the tea withering machine, the problem of uneven hot air was solved, achieving efficient and uniform withering of tea and reducing energy consumption.
Patent Information
- Application Number
- CN202520216840.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-12
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-02-12
AI Technical Summary
Existing tea withering machines send hot air directly into the withering chamber via a blower and heating module, resulting in uneven temperature and airflow, causing localized burns and incomplete withering.
The system employs a swinging device and an air guiding device, including blades that can swing up and down and left and right, and inclined air guiding plates to ensure that hot air is evenly distributed in the withering bed. The angle of the air guiding plates can be adjusted by an adjustment mechanism to achieve a balance between wind speed and heat.
It achieves efficient and uniform withering of tea leaves, improves withering quality, reduces energy consumption, and creates a quiet working environment.
Smart Images

Figure CN223667198U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to tea processing equipment technical field, concretely is a box type withering machine. BACKGROUND
[0002] Withering is an important process in tea processing, and the traditional withering method adopts natural airing or simple heating equipment, which has problems such as low efficiency, great influence by weather, inaccurate temperature and humidity control, etc.
[0003] The tea withering machine is the core equipment in the tea processing technology, which is used for the first key step of tea processing - withering. By accurately controlling the temperature, humidity, ventilation and other conditions, the natural withering environment is simulated, the tea moisture evaporation is accelerated (from 75%-80% of fresh leaves to 50%-60%), and the enzyme reaction inside the tea (such as polyphenol oxidation, aroma formation) is activated, which lays a foundation for the subsequent rolling, fermentation and other processes. Through mechanization, modern tea processing gets rid of the limitation of "relying on the weather", and promotes the standardization and industrialization of tea production, but the existing tea withering machine directly sends hot air into the withering box through the air blower and the heating module, the fixed wind direction and the direct blowing of heat into the box, the temperature and wind speed are not balanced, which causes the local tea (material) above the net rack to be locally burned, the local withering is not completed, and the withering effect is not ideal. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a box type withering machine to solve the problems in the background art.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a box type withering machine, comprising:
[0006] An air blower;
[0007] A heating device arranged at the rear end of the air blower;
[0008] A swing device arranged at the rear end of the heating device, comprising a blade that can swing up and down and / or left and right;
[0009] An air guide device arranged at the rear end of the swing device, comprising an air guide plate and an adjusting mechanism, the air guide plate is used for introducing the hot air heated by the heating device into the withering bed of the withering machine, and the adjusting mechanism is used for adjusting the angle of the air guide plate according to the length of the withering bed.
[0010] Further, the air guide plate comprises a plurality of groups of single plates, and each single plate is arranged at intervals along the height direction of the withering bed.
[0011] Further, the single plate is arranged in an inclined manner.
[0012] Further, the inclination angle of the single plate gradually increases from the bottom to the top of the withering bed.
[0013] Further, the adjusting mechanism comprises a fixed plate, a connecting plate, a connecting piece and an adjusting handle, the air deflector is fixedly installed on the connecting plate, the connecting plate is hinged to the fixed plate through a hinge piece, the connecting piece is L-shaped, one end of the connecting piece is fixed to the fixed plate, and the other end of the connecting piece is movably connected to the adjusting handle, and one end of the adjusting handle is fixedly connected to the fixed plate and the connecting plate through the fixed plate.
[0014] Further, the adjusting handle is provided with a track groove, and the connecting piece is provided with a guide shaft, and the guide shaft is arranged in the track groove.
[0015] Further, the cross section of the blade is in a shuttle shape.
[0016] Further, the blade is provided with a mounting hole for mounting the blade, and a weight-reducing cavity is formed, and the weight-reducing cavity penetrates the top end and the bottom end of the blade.
[0017] Further, the wilting machine further comprises a wilting bed, the wilting bed is connected with the swinging device, and the air guiding device is arranged at the air inlet of the wilting bed.
[0018] Compared with the prior art, the beneficial effects of the utility model are:
[0019] 1. The box type wilting machine cooperates with various components, and the automatic up-down and left-right swinging blades ensure that the air direction and heat in the wilting bed are not accumulated in a local part, the air speed and heat in each area of the wilting bed are balanced, the angle of the air deflector can be adjusted according to different lengths of the box body, the air receiving time of the front, middle and rear sections below the net rack of the wilting bed is balanced, efficient and uniform wilting of tea leaves is realized, and the wilting quality of the tea leaves is improved.
[0020] 2. The shape of the blade is a shuttle shape, which is in line with the air fluid mechanics, wind noise is reduced during work, the weight-reducing cavity is formed, the self-weight is reduced, the energy consumption required for driving the blade to swing is reduced, and the energy utilization efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 It is a structural schematic view of the box type wilting machine of the utility model;
[0022] Figure 2 It is a structural schematic view of the air guiding device in the box type wilting machine of the utility model;
[0023] Figure 3 It is another view structural schematic view of the air guiding device in the box type wilting machine of the utility model;
[0024] Figure 4 It is a structural schematic view of the fixed plate and the connecting plate in the box type wilting machine of the utility model;
[0025] Figure 5 It is the structure schematic view of swing device in the box type withering machine of the utility model;
[0026] Figure 6 It is the structure schematic view of blade in the box type withering machine of the utility model;
[0027] Figure 7 It is the wind direction schematic view of the box type withering machine of the utility model;
[0028] In the drawing, 100-withering machine head, 200-withering bed, 201-net board, 202-air inlet, 300-controller, 1-blower, 3-swing device, 31-blade, 311-mounting hole, 312-weight reduction cavity, 4-air guide device, 41-air guide board, 411-single board, 42-adjusting mechanism, 421-fixed plate, 422-connecting plate, 423-connecting piece, 4231-guide shaft, 424-adjusting handle, 4241-rail groove, 425-hinge piece, 426-angle reference scale board. DETAILED DESCRIPTION
[0029] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and apparently, 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 the person skilled in the art without making creative labor belong to the protection scope of the utility model.
[0030] As Figures 1-7 Indicated, the embodiment provides a kind of box type withering machine, including withering machine head 100, withering bed 200 and controller 300, the upper portion of the withering bed 200 is equipped with net board 201, net board 201 is laid with tea leaf processing, withering bed 200 one end is equipped with air inlet 202, withering machine head 100 sealing connection, the controller 300 is installed in the side of withering machine head 100, controls withering machine work, for example can be on / off, set withering temperature, humidity and time parameter etc.;
[0031] The withering machine head 100 includes blower 1, heating device, swing device 3 and air guide device 4, in the embodiment, blower 1, heating device and swing device 3 are all arranged in a machine case, machine case is sealingly connected with withering bed 200, air guide device 4 is arranged at the air inlet 202 of withering bed 200, guarantees that hot air can all enter withering bed body, provides stable heat environment for tea leaf withering;
[0032] The air blower 1 provides air flow, provides a power source for the delivery of hot air, ensures that the hot air can smoothly enter the subsequent device and finally reach the withering bed 200, the heating device is arranged at the rear end of the air blower 1, and the air delivered by the air blower 1 is heated to generate hot air with a temperature meeting the requirements of the withering process, and an electric heater or a gas heater can be used, and the heating power can be automatically adjusted according to the set temperature;
[0033] The swing device 3 is arranged at the rear end of the heating device and includes blades 31 that can swing up and down and left and right, for example, a group of blades that can swing up and down and a group of blades that can swing left and right, the swinging of the blades 31 can disturb the heated hot air, ensure that the wind direction and heat in the withering bed 100 are not accumulated locally, ensure that the wind speed and heat of each area of the withering bed 200 are balanced, make the distribution of the hot air more uniform, avoid the situation that the local temperature is too high or too low, thereby providing a more uniform withering environment for the tea leaves, the cross section of the blade 31 is in the shape of a shuttle, which conforms to the principle of air fluid mechanics, and when the blade 31 is working, it can effectively reduce the wind noise and create a relatively quiet working environment for the operator, in addition, the blade 31 is provided with a mounting hole 311 for mounting the blade 31, which facilitates the installation and fixation of the blade, for example, a pin shaft is used for installation and linkage, the blade 31 is driven to swing by a motor, and the blade 31 is also provided with a weight-reducing cavity 312 that penetrates the top end and the bottom end of the blade 31, which reduces the weight of the blade under the premise of not affecting the normal function of the blade, thereby reducing the energy consumption required for driving the blade 31 to swing and improving the energy utilization efficiency;
[0034] The air guide device 4 is arranged at the rear end of the swing device 3, and comprises an air guide plate 41 and an adjusting mechanism 42; the air guide plate 41 is used to guide the hot air heated by the heating device into the withering bed 200, and comprises a plurality of groups of single plates 411; the single plates 411 are arranged at intervals along the height direction of the withering bed 200, and are arranged in an inclined manner; each single plate 411 has a horizontal section and an inclined section; the inclined angle of the inclined section gradually increases from the bottom to the top of the withering bed 200; in this way, the hot air can be blown into the withering bed 200 at different angles, so that the front, middle and rear sections below the screen plate are balanced in wind time, and the tea leaves can be evenly blown by the hot air; in order to facilitate the front, middle and rear sections of the withering bed of different lengths to be evenly blown by the hot air, the adjusting mechanism 42 can adjust the angle of the air guide plate 41 according to the length of the withering bed 200; the adjusting mechanism 42 comprises a fixed plate 421, a connecting plate 422, a connecting piece 423 and an adjusting handle 424; in the embodiment, the fixed plate 421 is a plate for sealing connection between the withering bed 200 and the machine head 100; the air inlet 202 is formed in the fixed plate 421; the air guide plate 41 is fixedly arranged on the connecting plate 422; the connecting plate 422 is hingedly connected to the fixed plate 421 through a hinge piece 425, and is arranged on both sides of the fixed plate 421 in a perpendicular manner; the connecting piece 423 is L-shaped, one end of the connecting piece 423 is fixed to the fixed plate 421, and the other end of the connecting piece 423 is movably connected to the adjusting handle 424; the adjusting handle 424 is provided with a track groove 4241; the connecting piece 423 is provided with a guide shaft 4231; the guide shaft 4231 penetrates through the track groove 4241; one end of the adjusting handle 424 penetrates through the fixed plate 421 and is fixedly connected to the connecting plate 422; when an operator pulls the adjusting handle 424, the connecting piece 423 is driven to move; the connecting piece 423 transmits the movement to the connecting plate 422 through the L-shaped structure; the connecting plate 422 rotates around the hinge point, and drives the air guide plate 41 to change the angle; the track groove 4241 on the adjusting handle 424 cooperates with the guide shaft 4231 on the connecting piece 423 to limit the movement track; in addition, an angle reference scale plate 426 can be arranged below the track groove 4241, so that the angle of the air guide plate 41 can be adjusted according to different lengths, and accurate guidance is provided for adjusting the angle of the air guide plate.
[0035] When the withering bed 200 is working, the air blower 1 is started, air is sent into the heating device, the air is heated into hot air by the heating device, and the hot air is disturbed by the swing blade 31 when passing through the swing device 3, so that the hot air is more uniformly distributed; the uniformly distributed hot air is blown into the withering bed 200 through the air guide plate 41 of the air guide device 4 at different angles, so that the front, middle and rear sections below the screen plate 201 are balanced in wind time, and the tea leaves are evenly heated on the withering bed 200, so that the withering process is completed; the operator can adjust the angle of the air guide plate 41 through the adjusting mechanism 42 according to the length of the withering bed 200, so that the hot air can uniformly cover the entire withering bed, and the tea leaves can be efficiently and uniformly withered.
[0036] The box type withering machine through the coordinated work of each component, through automatic up and down, left and right blade, ensure that the withering bed in the wind direction and heat will not be accumulated in the local, ensure that the withering bed in each area of wind speed and heat balance, can according to different box length, adjust the angle of the air deflector, ensure that the withering bed net frame below front, middle, back section wind time balance, realized the efficient, uniform withering of tea, improve the withering quality of tea; The shape of the blade is shuttle-shaped, which conforms to the aerodynamics, reduces wind noise during work, and a weight reduction cavity is provided, which reduces the self-weight, thereby reducing the energy consumption required for driving the blade to swing, and improving the energy utilization efficiency.
[0037] 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 shall be included in the protection scope of the utility model.
Claims
1. A box-type wilting machine, characterized by, The utility model relates to a kind of withering machine, including: Blower; Heating device, is arranged at the rear end of blower; Swing device, is arranged at the rear end of heating device, including the blade that can swing up and down and / or left and right; Air guide device, is arranged at the rear end of swing device, including air guide plate and adjusting mechanism, the air guide plate is used to introduce the hot air after being heated by heating device into the withering bed of withering machine, the adjusting mechanism is used to adjust the angle of air guide plate according to withering bed length.
2. The box-type withering machine according to claim 1, characterized in that: The air guide plate includes several groups of single board, and each single board is arranged along the height direction of withering bed.
3. The box-type withering machine according to claim 2, characterized in that: The single board is arranged obliquely.
4. A box-type wither as claimed in claim 3, characterized in that: The inclination angle of the single board gradually increases from the bottom to the top of the withering bed.
5. The box-type withering machine according to claim 1, characterized in that: The adjusting mechanism includes a fixed plate, a connecting plate, a connecting piece and an adjusting handle, the air guide plate is fixedly installed on the connecting plate, the connecting plate is hinged to the fixed plate, the connecting piece is L-shaped, one end is fixed to the fixed plate, the other end is movably connected to the adjusting handle, one end of the adjusting handle is fixedly connected to the fixed plate and the connecting plate through the fixed plate.
6. The box-type withering machine according to claim 5, characterized in that: A track groove is formed on the adjusting handle, a guide shaft is arranged on the connecting piece, and the guide shaft is arranged in the track groove.
7. The box-type withering machine according to claim 1, characterized in that: The cross section of the blade is in a shuttle shape.
8. A box-type wither as claimed in claim 7, characterized in that: An installation hole is arranged in the blade for installing the blade, and a weight-reducing cavity is formed, which penetrates the top end and the bottom end of the blade.
9. The box-type withering machine according to claim 1, characterized in that: The withering machine further includes a withering bed, the withering bed is connected to the swing device, and the air guide device is arranged at the air inlet of the withering bed.