Tea leaf fixation device
By designing a linkage structure between the baffle and the dial, as well as a hot air component, in the tea fixing device, the tea leaves are evenly turned and fully contacted with hot air, thus solving the problem of uneven fixing and improving the fixing effect and the quality of the finished product.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TONGBAI COUNTY XIANGLIN ECOLOGICAL FAMILY FARM
- Filing Date
- 2025-06-11
- Publication Date
- 2026-07-07
AI Technical Summary
Existing methods for fixing tea leaves result in uneven fixing, which affects subsequent processing and the quality of the finished tea.
Design a tea fixing device that uses a partition inside a drum connected to a dial by a spring and driven by a motor to achieve the reciprocating sliding of the partition. Combined with the lateral vibration and uniform airflow of the hot air assembly, this ensures that the tea leaves are turned over and evenly fixed.
It improves the uniformity and effectiveness of tea fixing, prevents tea leaves from clumping together, and ensures the quality of subsequent processing and finished tea products.
Smart Images
Figure CN224461040U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of tea production technology, and in particular to a tea fixing device. Background Technology
[0002] Fixing the green in tea is a crucial step in the initial processing of tea. Its main purpose is to remove moisture from the tea leaves through high temperatures, destroy or deactivate the oxidase activity in the fresh leaves, inhibit the enzymatic oxidation of tea polyphenols, prevent discoloration during drying, avoid over-fermentation, and simultaneously remove any grassy odor, promoting the formation of a pleasant aroma. This preserves the color, aroma, and taste of the tea, shaping its quality characteristics. Traditionally, fixing the green in tea involves placing the tea leaves in a stir-frying machine and manually turning them repeatedly. While the process is mature, it is inefficient. With the expansion of production scale and industry upgrading, innovative and improved fixing methods have emerged, such as pan-frying, drum fixing, and hot air fixing, which improve efficiency and make the fixing process more standardized and cleaner. However, existing fixing methods still suffer from uneven processing and poor results, affecting subsequent processing and the quality of the finished tea. Utility Model Content
[0003] The technical problem this invention aims to solve is that the existing tea fixing methods have defects such as uneven fixing and poor fixing effect, which affects subsequent processing and the quality of finished tea.
[0004] To solve the above problems, this utility model provides a tea fixing device. A roller is rotatably mounted on a support. The roller has multiple through holes on its side wall. A hot air assembly is mounted on one side of the roller. A partition that slides along the inner wall of the roller is mounted on the other side of the roller. The partition is connected to the roller by multiple springs. The partition is connected to a dial via a connecting rod. A first motor is mounted on the support. A crank is fixed to the output shaft of the first motor. A pin is mounted at the end of the crank. The pin can contact the dial and move the dial away from the roller.
[0005] The tea fixing device provided by this utility model also has the following technical features:
[0006] Multiple through holes are spaced apart along the length of the roller, and the through holes are located close to the partition.
[0007] A guide cylinder is provided on the other side of the roller, and the connecting rod is slidably disposed inside the guide cylinder.
[0008] The inner hole of the guide tube and the cross-section of the connecting rod are square and fit together.
[0009] The guide cylinder is provided with a support ring that rotates outwards. The support ring is mounted on the bracket via a support rod. A second motor is mounted on the bracket. The output shaft of the second motor is fixed with a gear. A gear ring that meshes with the gear is provided on the side wall of the drum.
[0010] The hot air assembly includes a duct and a guide tube. One end of the duct is connected to the output end of the hot air generator, and the other end of the duct is detachably connected to the roller. The duct is provided with a conical guide tube, which has a head and a tail. The diameter of the head is smaller than the diameter of the tail. The head is located inside the duct, and the tail extends out of the duct and is located inside the roller. The head and tail are smoothly connected by a guide arc surface.
[0011] The fluid guide is connected to the air duct through multiple support rods.
[0012] A rotating ring is provided on one side of the roller, and the air duct is set inside the rotating ring. A support ring is rotatably provided outside the rotating ring, and the support ring is set on the bracket through a support rod.
[0013] The roller has an opening on its side wall, and a cover plate is installed inside the opening.
[0014] This invention has the following beneficial effects: The output shaft of the first motor drives the crank to rotate, and the pin can contact the dial during the rotation, so that the dial moves away from the drum, causing the partition to move accordingly and compress the spring. When the pin disengages from the dial, the partition slides back and forth along the inner wall of the drum under the action of the spring until it stops. During this period, the inner volume of the drum changes, causing the hot airflow inside the drum to vibrate laterally and act on the tea leaves. This allows the tea leaves to collide with each other under the action of the hot airflow while the drum rotates and turns over, preventing the tea leaves from shrinking into tea clumps due to heat accumulation, and ensuring full contact with the hot airflow, so that the tea leaves are dried. This improves the uniformity and effect of the fixation process, and avoids affecting subsequent processing and the quality of the finished tea. Attached Figure Description
[0015] Figure 1 This is a partial cross-sectional view of the present invention;
[0016] Figure 2 This is a schematic diagram of the hot air assembly. Detailed Implementation
[0017] The present invention will be described in detail below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features in the embodiments of the present invention can be combined with each other.
[0018] like Figures 1 to 2As shown, the tea fixing device of this utility model has a roller 11 rotatably mounted on a support 10. The roller 11 has multiple through holes 12 on its side wall. A hot air assembly 13 is provided on one side of the roller 11. A partition 14 that slides along its inner wall is provided on the other side of the roller 11. The partition 14 is connected to the roller 11 by multiple springs 15. The partition 14 is connected to a dial 17 by a connecting rod 16. A first motor 18 is mounted on the support 10. A crank 19 is fixed to the output shaft of the first motor 18. A pin 20 is provided at the end of the crank 19. The pin 20 can contact the dial 17 to move the dial 17 away from the roller 11.
[0019] The output shaft of the first motor 18 drives the crank 19 to rotate. During the rotation, the pin 20 can contact the dial 17, causing the dial 17 to move away from the drum 11. This causes the partition plate 14 to move accordingly, compressing the spring 15. When the pin 20 disengages from the dial 17, the partition plate 14 slides back and forth along the inner wall of the drum 11 under the action of the spring 15 until it stops. During this period, the inner volume of the drum 11 changes, causing the hot airflow inside the drum 11 to vibrate laterally and act on the tea leaves. This allows the tea leaves to collide with each other under the action of the hot airflow while the drum 11 rotates and turns over, preventing the tea leaves from shrinking into tea clumps due to heat accumulation. The tea leaves also come into full contact with the hot airflow, allowing them to be dried. This improves the uniformity and effectiveness of the tea leaf drying process, preventing it from affecting subsequent processing and the quality of the finished tea.
[0020] Among them, dial 17 is circular.
[0021] Preferably, a plurality of through holes 12 are spaced apart along the length of the roller 11, and the through holes 12 are located close to the partition plate 14.
[0022] Multiple through holes 12 are simultaneously spaced along the circumference and axial direction of the drum 11. When the spring 15 is in its normal state, there are through holes 12 on both sides of the partition 14. This allows the efficiency of hot airflow discharged from the through holes 12 to change during the reciprocating sliding of the partition 14. This can cause changes in the pressure of the hot airflow inside the drum 11, further causing the tea leaves to collide with each other, increasing their contact with the hot airflow, and improving the uniformity and effect of fixing the tea leaves.
[0023] Of course, multiple through holes 12 can also be opened along the length of the roller 11 to improve the discharge efficiency of hot air flow.
[0024] Preferably, a guide cylinder 21 is provided on the other side of the roller 11, and the connecting rod 16 is slidably disposed in the guide cylinder 21.
[0025] Preferably, the inner hole of the guide cylinder 21 and the cross-section of the connecting rod 16 are square to match each other, so as to avoid relative rotation between the connecting rod 16 and the guide cylinder 21.
[0026] Preferably, the guide cylinder 21 is provided with a support ring 22 that rotates outward, and the support ring 22 is mounted on the bracket 10 via a support rod 23; the bracket 10 is provided with a second motor 24, the output shaft of the second motor 24 is fixed with a gear 25, and the side wall of the roller 11 is provided with a gear ring 26 that meshes with the gear 25.
[0027] The output shaft of the second motor 24 drives the gear 25 to rotate, which in turn drives the gear ring 26 and the roller 11 to rotate, while simultaneously providing support for the other side of the roller 11.
[0028] Preferably, the hot air assembly 13 includes an air duct 31 and a guide body 32. One end of the air duct 31 is connected to the output end of a hot air generator, and the other end of the air duct 31 is detachably connected to the drum 11. The air duct 31 is provided with a conical guide body 32, which has a head 33 and a tail 34. The diameter of the head 33 is smaller than the diameter of the tail 34. The head 33 is located inside the air duct 31, and the tail 34 extends out of the air duct 31 and is located inside the drum 11. A guide arc surface 35 is smoothly connected between the head 33 and the tail 34 so that the hot air flow from the air duct 31 is guided in a horizontal concentrated manner to form a ring-shaped dispersion, so that the hot air flow is blown onto the tea leaves in a circumferential and more uniform manner, which facilitates the tea leaves to fully contact the hot air flow for drying, and further improves the uniformity and drying effect of the tea leaves.
[0029] The hot air generator includes a blower, a heater, a control system, and a power supply. The blower blows hot air through the heater to generate hot air. The control system monitors and adjusts the output power of the heater to control the hot air temperature. The control system can also adjust the blower speed and the cross-sectional area of the duct to control the hot air delivery volume. The working principle and specific setup of the hot air generator are existing technologies and will not be described in detail here. Since the air duct 31 rotates with the drum 11, the tube body at the output end of the hot air generator is connected to one end of the air duct 31 in a rotating sealed connection.
[0030] The other end of the air duct 31 is detachably connected to the roller 11 via a thread.
[0031] Preferably, the fluid guide 32 is connected to the air duct 31 through multiple support rods 36.
[0032] Preferably, a rotating ring 37 is provided on one side of the roller 11, the air duct 31 is disposed inside the rotating ring 37, and a support ring 22 is rotatably disposed outside the rotating ring 37. The support ring 22 is disposed on the bracket 10 through a support rod 23 to support one side of the roller 11.
[0033] Preferably, the side wall of the roller 11 is provided with an opening 39, and a cover plate 40 is provided inside the opening 39.
[0034] The working principle of this utility model is as follows:
[0035] Tea leaves are fed into the drum 11 through opening 39 and then closed by cover plate 40. The output shaft of the second motor 24 drives the gear 25 to rotate, which in turn drives the gear ring 26 and the drum 11 to rotate, thus agitating the tea leaves inside. The first motor 18 and the hot air generator are started. The hot air generator provides hot airflow into the drum 11 through the air duct 31. Under the action of the guide fluid 32, the hot airflow from the air duct 31 is dispersed in a ring shape by the horizontal concentrated guide, so that the hot airflow is blown onto the tea leaves in a more uniform and circumferential manner. The output shaft of the first motor 18 drives the crank 19 to rotate, and the pin 20 can engage with the dial 17 during the rotation. The contact causes the dial 17 to move away from the drum 11, which in turn moves the partition 14 to compress the spring 15. When the dial 20 disengages from the dial 17, the partition 14 slides back and forth along the inner wall of the drum 11 under the action of the spring 15 until it stops. During this period, the inner volume of the drum 11 changes, causing the hot airflow inside the drum 11 to vibrate laterally and act on the tea leaves. The tea leaves can collide with each other under the action of the hot airflow, preventing the tea leaves from shrinking into tea clumps due to heat accumulation, and fully contacting the hot airflow to dry the tea leaves. This improves the uniformity and effect of the fixation process, avoiding affecting subsequent processing and the quality of the finished tea.
[0036] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.
Claims
1. A tea-fixing device, characterized in that, A roller (11) is rotatably mounted on the bracket (10). Multiple through holes (12) are provided on the side wall of the roller (11). A hot air assembly (13) is provided on one side of the roller (11). A partition (14) that slides along its inner wall is provided on the other side of the roller (11). The partition (14) is connected to the roller (11) by multiple springs (15). The partition (14) is connected to a dial (17) by a connecting rod (16). A first motor (18) is mounted on the bracket (10). A crank (19) is fixed to the output shaft of the first motor (18). A pin (20) is provided at the end of the crank (19). The pin (20) can contact the dial (17) and make the dial (17) move away from the roller (11).
2. The tea fixing device according to claim 1, characterized in that, Multiple through holes (12) are spaced apart along the length of the roller (11), and the through holes (12) are located near the partition (14).
3. The tea fixing device according to claim 1, characterized in that, The other side of the roller (11) is provided with a guide cylinder (21), and the connecting rod (16) is slidably disposed in the guide cylinder (21).
4. The tea fixing device according to claim 3, characterized in that, The inner hole of the guide tube (21) and the cross section of the connecting rod (16) are square and fit together.
5. The tea fixing device according to claim 3, characterized in that, The guide cylinder (21) is provided with a support ring (22) that rotates outward. The support ring (22) is set on the bracket (10) through the support rod (23). The bracket (10) is provided with a second motor (24). The output shaft of the second motor (24) is fixed with a gear (25). The side wall of the drum (11) is provided with a gear ring (26) that meshes with the gear (25).
6. The tea fixing device according to claim 1, characterized in that, The hot air assembly (13) includes a duct (31) and a guide fluid (32). One end of the duct (31) is connected to the output end of the hot air generator, and the other end of the duct (31) is detachably connected to the roller (11). The duct (31) is provided with a conical guide fluid (32). The guide fluid (32) has a head (33) and a tail (34). The diameter of the head (33) is smaller than the diameter of the tail (34). The head (33) is located inside the duct (31), and the tail (34) extends out of the duct (31) and is located inside the roller (11). The head (33) and the tail (34) are smoothly connected by a guide arc surface (35).
7. The tea fixing device according to claim 6, characterized in that, The guide fluid (32) is connected to the air duct (31) through multiple support rods (36).
8. The tea fixing device according to claim 6, characterized in that, A rotating ring (37) is provided on one side of the roller (11), and the air duct (31) is set inside the rotating ring (37). A support ring (22) is rotatably provided outside the rotating ring (37), and the support ring (22) is set on the bracket (10) through the support rod (23).
9. The tea fixing device according to claim 1, characterized in that, The roller (11) has an opening (39) on its side wall, and a cover plate (40) is provided inside the opening (39).