A tea production device based on tea fermentation

Abstract

The present invention discloses a tea production device based on tea fermentation, specifically relating to the technical field of tea processing, including a conveying cylinder, a support shaft, a rotating member, a first collar, a second collar, and a spiral auger. The two ends of the spiral auger are respectively fixedly connected to the peripheries of the first collar and the second collar. When the first collar moves towards the second collar, the spiral auger will generate a telescopic deformation along the axial direction of the support shaft. Convex strips are fixedly connected to the spiral surface of the spiral auger. By setting that when the second collar moves towards the first collar, the spiral auger will be in a compressed state, thereby gathering the tea leaves located between the spiral augers. Moreover, by driving the support shaft to rotate through the rotating member, the spiral auger stir-fries the tea leaves. At the same time, the convex strips arranged on the spiral surface of the spiral auger will produce a kneading effect on the tea leaves, so that there is no need to knead the tea leaves after discharging, simplifying the operation steps and enabling large-scale production of tea processing.

Description

Technical Field

[0001] The present invention relates to the technical field of tea processing, and more specifically, to a tea production device based on tea fermentation. Background Art

[0002] Tea fermentation is an important step in traditional Chinese tea-making techniques, especially crucial when making dark tea, oolong tea, black tea and other types of tea. The fermentation process is actually an oxidation process. By controlling humidity and temperature, a series of chemical changes occur within the tea leaves, thus forming a unique flavor.

[0003] In the prior art, a tea fermentation machine is disclosed in Chinese Patent Publication No. CN104957294A, which includes a frame, a transmission device, a conveying device, a tea inlet connecting frame, a tea inlet hopper, a tea outlet hopper and a tea steaming device. The transmission device is installed on the left side of the frame; both ends of the conveying device are installed on both sides of the frame, and the conveying device is connected to the transmission device; the tea inlet connecting frame is connected to the upper left of the conveying device by welding; the tea inlet hopper is installed at the upper end of the tea inlet connecting frame by bolts, and the tea inlet hopper serves as the inlet for tea leaves to ferment; the tea outlet hopper is connected to the lower right of the conveying device by welding, and the tea outlet hopper serves as the outlet for collecting tea leaves after fermentation; both ends of the tea steaming device are mounted on both sides of the frame, and the tea steaming device is connected to the conveying device.

[0004] In the above prior art, the tea leaves are conveyed by a spiral blade (referred to as a spiral auger in this application), causing the tea leaves to flip within the conveying device. However, in this technical solution, the tea leaves cannot be kneaded, resulting in the need to knead the tea leaves again when taking them out of the conveying device, which makes the operation more inconvenient and the fermentation process cumbersome and complex, not conducive to large-scale production.

[0005] Therefore, to solve the above problems, a tea production device based on tea fermentation is proposed. Summary of the Invention

[0006] To overcome the above-mentioned defects of the prior art, an embodiment of the present invention provides a tea production device based on tea fermentation. The technical problem to be solved by the present invention is that the tea fermentation equipment in the prior art cannot knead the tea leaves, resulting in the need to knead the tea leaves again when taking them out of the conveying device, which makes the operation more inconvenient and the fermentation process cumbersome and complex, not conducive to large-scale production.

[0007] To achieve the above object, the present invention provides the following technical solution: A tea production device based on tea fermentation, including a conveying cylinder, and further including:

[0008] A support shaft rotatably connected coaxially inside the conveying cylinder, the support shaft being driven to rotate by a rotating member installed at the end of the conveying cylinder;

[0009] Collars respectively connected to both ends of the support shaft, the two collars being respectively defined as a first collar and a second collar, the first collar fixedly sleeved on the end of the support shaft, the second collar slidably sleeved on the support shaft and key-connected to the support shaft;

[0010] A spiral auger slidably sleeved on the periphery of the support shaft, both ends of the spiral auger being fixedly connected to the peripheries of the first collar and the second collar respectively, and when the first collar moves towards the second collar, the spiral auger will produce a telescopic deformation along the axial direction of the support shaft, and convex strips are fixedly connected to the spiral surface of the spiral auger.

[0011] Through the above technical solution, when the second collar moves towards the first collar, the spiral auger will be in a compressed state, thereby gathering the tea leaves located between the spiral augers, and by driving the support shaft to rotate through the rotating member, the spiral auger stir-fries the tea leaves, and at the same time, the convex strips provided on the spiral surface of the spiral auger will produce a kneading effect on the tea leaves, so that there is no need to knead the tea leaves after discharging, simplifying the operation steps and enabling the large-scale production of tea processing.

[0012] Further, a feeding bin and a discharging bin are respectively provided at both axial ends of the conveying cylinder, and the discharging bin corresponds to the first collar.

[0013] Through the above technical solution, the tea leaves to be fermented are put into the conveying cylinder from the feeding bin, and through the discharging bin, the fermented tea leaves can be discharged from the discharging bin.

[0014] Further, a fixed retaining plate and a movable retaining plate are respectively and fixedly sleeved on the peripheries of the first collar and the second collar, and the outer diameters of the fixed retaining plate and the movable retaining plate match the inner diameter of the conveying cylinder.

[0015] Through the above technical solution, by setting the fixed retaining plate and the movable retaining plate, the tea leaves are always located between the fixed retaining plate and the movable retaining plate.

[0016] Further, the rotating member includes a motor base installed at the end of the conveying cylinder, a stepper motor is installed on the end face of the motor base, and the output shaft of the stepper motor is drivingly connected to the support shaft.

[0017] Through the above technical solution, the stepper motor is started, and its output shaft rotates and drives the support shaft to rotate.

[0018] Further, two cylinders are horizontally installed on the outer wall of the motor base. The cylinder rods of the two cylinders are jointly drivingly connected to a movable plate. A driving rod is horizontally and fixedly connected to the outer wall on the other side of the movable plate. One end of the driving rod penetrating into the conveying cylinder abuts against the end face of the movable baffle, and the driving rod can freely slide within the conveying cylinder.

[0019] Through the above technical solution, when the cylinder rod of the cylinder extends, the cylinder drives the driving rod to move towards the conveying cylinder, and the driving rod abuts against the end face of the movable baffle, so that the movable baffle drives the movable collar to move towards the fixed collar, and the spiral auger is in a compressed state.

[0020] Further, a ball is rotatably installed at one end of the driving rod penetrating into the conveying cylinder, and the ball is in rolling contact with the end face of the movable baffle.

[0021] Through the above technical solution, the ball rolls on the end face of the movable baffle, so that when the movable baffle rotates, the friction and wear between its end face and the end of the driving rod are relatively small.

[0022] Further, the thickness dimension of the spiral auger decreases successively in the direction away from the second collar.

[0023] Through the above technical solution, the compression deformation amount on the side of the spiral auger away from the movable baffle is not much different from the compression deformation amount on the other side.

[0024] Further, a joint is fixedly connected to one end of the support shaft adjacent to the first collar. A transition hole communicating with the joint is opened inside the support shaft. A plurality of air blowing seats are fixedly connected to the periphery of the support shaft. The inside of the air blowing seat is hollow and communicates with the transition hole. An air outlet is opened on the end face of the air blowing seat.

[0025] Through the above technical solution, air is conveyed into the transition hole by the joint, and then the air is conveyed to the tea leaves during the rolling process through the air outlet of the air blowing seat, improving the mixing degree of oxygen in the air and the juice squeezed out from the tea leaves, and thus enhancing the fermentation efficiency of the tea leaves.

[0026] Further, an air outlet adjusting member is provided on the air blowing seat. The air outlet adjusting member includes a rotating shaft coaxially penetrating through the air blowing seat. One end of the rotating shaft penetrating into the air blowing seat is fixedly sleeved with a rotating disk. The upper end surface of the rotating disk is in contact connection with the inner top wall of the inner cavity of the air blowing seat. A through groove corresponding to the air outlet is formed on the end surface of the rotating disk. The outer diameter of the rotating disk is smaller than the inner diameter of the air blowing seat, and a scroll spring is fixedly sleeved on the periphery of the rotating disk. Two ends of the scroll spring are respectively fixedly connected to the inner wall of the air blowing seat and the periphery of the rotating disk. A shifting rod horizontally penetrates through the periphery of the air blowing seat. The shifting rod freely slides on the air blowing seat. The shifting rod is in contact connection with the surface of the spiral auger. A rack portion is provided at one end of the periphery of the shifting rod penetrating into the air blowing seat. A gear portion meshing with the rack portion is provided on the periphery of the rotating shaft.

[0027] Through the above technical solution, when the spiral auger is compressed, the end of the shifting rod will be driven by the spiral auger to move towards the inner side of the air blowing seat, so that the rack portion and the gear portion are engaged, and then the rotating shaft is driven to rotate. When the rotating shaft rotates, the rotating disk will be driven to rotate, so that the through groove and the air outlet are in a through state. In addition, the size of the through area is related to the compression degree of the spiral auger. Therefore, when the compression amplitude of the spiral auger is large, that is, the tea leaves are gathered more tightly, at this time, it is necessary to increase the air intake to ensure that the air can smoothly enter the tea leaves, so as to better ferment the tea leaves.

[0028] Further, a retaining ring is coaxially and fixedly connected to the inner cavity of the air blowing seat. An installation space is formed between the end surface of the retaining ring and the inner wall of the inner cavity of the air blowing seat. The rotating disk is clamped in the installation space and rotates freely.

[0029] Through the above technical solution, the rotating disk is limited by the retaining ring, so that the rotating disk is rotatably connected in the air blowing seat.

[0030] The technical effects and advantages of the present invention are as follows:

[0031] 1. When the second sleeve ring moves towards the first sleeve ring, the spiral auger will be in a compressed state, so as to gather the tea leaves located between the spiral augers. At the same time, the rotating member drives the support shaft to rotate, so that the spiral auger stir-fries the tea leaves. At the same time, the convex strips arranged on the spiral surface of the spiral auger will produce a kneading effect on the tea leaves. Therefore, it is no longer necessary to knead the tea leaves after discharging, which simplifies the operation steps and enables the large-scale production of tea leaf processing.

[0032] 2. By setting the air to be conveyed from the joint into the transition hole, and then the air is conveyed from the air outlet of the air blowing seat into the tea leaves during the kneading process, the mixing degree of the oxygen in the air and the juice kneaded out from the tea leaves is improved, thereby enhancing the fermentation efficiency of the tea leaves.

[0033] 3. When the spiral auger is compressed, the end of the toggle rod will be driven by the spiral auger to move toward the inner side of the blowing seat, so that the rack part and the gear part are meshed, thereby driving the rotating shaft to rotate. When the rotating shaft rotates, it will drive the rotating disk to rotate, thereby making the through groove and the air outlet in a through state. In addition, the size of the through area is related to the compression degree of the spiral auger, so that when the compression amplitude of the spiral auger is large, that is, the tea leaves are gathered more tightly, and the air intake volume needs to be increased at this time to ensure that the air can smoothly enter the tea leaves, thereby better fermenting the tea leaves. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a structural schematic diagram of a tea production device based on tea fermentation in the present invention;

[0035] Figure 2 for Figure 1 A schematic cross-sectional view of the middle structure;

[0036] Figure 3 for Figure 2 A schematic diagram of the structure from a side view angle;

[0037] Figure 4 for Figure 1 The schematic diagram of the structure after the conveying cylinder is omitted;

[0038] Figure 5 for Figure 4 A schematic diagram of the structure from a side view angle;

[0039] Figure 6 for Figure 5 The schematic diagram of the structure from a top view after omitting the stepper motor and cylinder;

[0040] Figure 7 for Figure 6 A schematic cross-sectional structure diagram of ;

[0041] Figure 8 It is a schematic diagram of the structure after the blowing seat and the toggle rod are assembled in the present invention;

[0042] Figure 9 for Figure 8 A schematic cross-sectional view of the middle structure;

[0043] Figure 10 for Figure 8 Schematic diagram of the explosion decomposition of the structure;

[0044] Figure 11 for Figure 8 Schematic diagram of the structure from an upward angle.

[0045] The accompanying drawings are marked as follows: 1. conveying cylinder; 2. discharge bin; 3. feeding bin; 4. driving rod; 5. cylinder; 6. stepping motor; 7. motor seat; 8. supporting shaft; 9. first set of rings; 10. fixed baffle plate; 11. convex strip; 12. blowing seat; 13. movable baffle plate; 14. second set of rings; 15. movable plate; 16. ball bearing; 17. spiral auger; 18. joint; 19. toggle rod; 20. transition hole; 21. air outlet; 22. volute spring; 23. rotating shaft; 24. gear part; 25. baffle ring; 26. rack part; 27. rotating disk; 28. through groove. DETAILED DESCRIPTION

[0046] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0047] like Figures 1-11 As shown, the present embodiment discloses: a tea production device based on tea fermentation, comprising a conveying cylinder 1, the two ends of the conveying cylinder 1 are closed and legs are welded at the bottom, one end of the conveying cylinder 1 is provided with a feeding bin 3, the mouth of the feeding bin 3 faces upward, and the other end of the conveying cylinder 1 is provided with a discharging bin 2 with a mouth facing downward, the tea leaves to be fermented are fed into the conveying cylinder 1 by the feeding bin 3, the two axial ends of the conveying cylinder 1 are coaxially rotatably connected with a support shaft 8 through the installation bearings, one end of the conveying cylinder 1 adjacent to the feeding bin 3 is connected with a motor seat 7, and the end of the motor seat 7 is installed with a stepping motor 6, and the output shaft of the stepping motor 6 is connected to the support shaft 8 through a coupling, so that the stepping motor 6 can drive the support shaft 8 to rotate;

[0048] Combination Figures 2-7As shown, collar rings are sleeved on both axial ends of the support shaft 8. The collar ring adjacent to the feeding bin 3 is defined as the first collar ring 9, and the collar ring adjacent to the discharging bin 2 is defined as the second collar ring 14. The first collar ring 9 is fixedly sleeved on the end of the support shaft 8, and the second collar ring 14 is slidably sleeved on the support shaft 8 and is key-connected to the support shaft 8, so that the second collar ring 14 can slide on the support shaft 8 and rotate synchronously with the support shaft 8. The peripheries of the first collar ring 9 and the second collar ring 14 are jointly welded with a spiral auger 17. The spiral auger 17 is slidably sleeved on the support shaft 8. In addition, the wall thickness of the spiral auger 17 does not exceed 3 mm, and preferably, the spiral auger 17 can be made of spring material and its surface is plated with stainless steel, so that when the spiral auger 17 is subjected to an axial force along the support shaft 8, the spiral auger 17 can elastically contract. Or rather, when the first collar ring 9 moves towards the second collar ring 14, the spiral auger 17 will produce telescopic deformation along the axial direction of the support shaft 8. A rib 11 is fixedly connected to the spiral surface of the spiral auger 17. The rib 11 is preferably integrally formed with the spiral auger 17. In addition, the thickness dimension of the spiral auger 17 decreases successively in the direction away from the second collar ring 14;

[0049] Combined with Figures 2-7 As shown, fixed retaining disks 10 and movable retaining disks 13 are fixedly sleeved on the peripheries of the first collar ring 9 and the second collar ring 14 respectively. The outer diameters of the fixed retaining disks 10 and the movable retaining disks 13 match the inner diameter of the conveying cylinder 1. Two cylinders 5 are horizontally installed on the outer wall of the motor base 7. The cylinder rods of the two cylinders 5 are jointly drivingly connected to a movable plate 15. A driving rod 4 is horizontally fixedly connected to the outer wall on the other side of the movable plate 15. One end of the driving rod 4 penetrating into the conveying cylinder 1 is rotatably fitted with a ball 16. The ball 16 is in rolling contact with the end face of the movable retaining disk 13, and the driving rod 4 can slide freely in the conveying cylinder 1. When the cylinders 5 are started, the cylinder rods of the cylinders 5 extend to drive the movable plate 15 to move towards the conveying cylinder 1, so that the ball 16 at the end of the driving rod 4 presses against the end face of the movable retaining disk 13, and then the movable retaining disk 13 moves away from the feeding bin 3, so that the second collar ring 14 slides on the support shaft 8, the second collar ring 14 moves towards the first collar ring 9, and the spiral auger 17 elastically contracts, thereby gathering the tea leaves in the conveying cylinder 1. And as the support shaft 8 rotates, the spiral auger 17 can stir-fry the tea leaves. During the stir-frying process, the ribs 11 on the surface of the spiral auger 17 will produce a kneading effect on the tea leaves. And because when the spiral auger 17 is compressed, the ribs 11 will move in multiple directions and deform synchronously with the spiral auger 17, so that the ribs 11 can knead the tea leaves. When kneading, the ribs 11 can break the cell walls of the tea leaves, so that the juice inside the tea leaf cells seeps out, thereby enabling the juice to contact oxygen and making the fermentation effect better;

[0050] Combined with Figures 5-11As shown, a joint 18 is fixedly connected to one end of the support shaft 8 adjacent to the first sleeve 9, and the joint 18 is connected to an external air delivery pipeline through a pipeline. A transition hole 20 that is connected to the joint 18 is provided inside the support shaft 8, and a plurality of blowing seats 12 are fixedly connected to the periphery of the support shaft 8. The interior of the blowing seat 12 is hollow and connected to the transition hole 20. An air outlet 21 is provided on the end face of the blowing seat 12, and a rotating shaft 23 is coaxially penetrated in the blowing seat 12. A rotating disk 27 is fixedly mounted on one end of the rotating shaft 23 that penetrates into the blowing seat 12. Specifically, a retaining ring 25 is coaxially fixedly connected to the inner cavity of the blowing seat 12, and an installation space is surrounded between the end face of the retaining ring 25 and the inner wall of the inner cavity of the blowing seat 12. The rotating disk 27 is engaged in the installation space and rotates freely. The retaining ring 25 limits the rotating disk 27 so that the rotating disk 27 is rotatably connected to the blowing seat 12, and the upper end face of the rotating disk 27 is connected to the blowing seat 12. The inner top wall of the inner cavity of the air seat 12 is in abutment connected, and a through groove 28 corresponding to the air outlet 21 is opened on the end face of the rotating disk 27. The outer diameter of the rotating disk 27 is smaller than the inner diameter of the blowing seat 12, and a volute spring 22 is fixedly sleeved on the periphery of the rotating disk 27. The two ends of the volute spring 22 are respectively fixed to the inner wall of the blowing seat 12 and the periphery of the rotating disk 27. In the initial state, the volute spring 22 generates a torque on the rotating disk 27, so that the rotating disk 27 rotates, and the through groove 28 on the end face of the rotating disk 27 and the air outlet 21 on the blowing seat 12 are staggered. A toggle rod 19 is horizontally penetrated through the periphery of the blowing seat 12, and the toggle rod 19 slides freely on the blowing seat 12. The toggle rod 19 is in abutment connected with the surface of the spiral auger 17, and a rack portion 26 is provided at one end of the periphery of the toggle rod 19 that penetrates into the blowing seat 12, and a gear portion 24 meshing with the rack portion 26 is provided at the periphery of the rotating shaft 23.

[0051] Working principle of the present invention:

[0052] Feeding: Workers feed the tea leaves to be fermented from the feeding bin 3 into the conveying cylinder 1, start the stepper motor 6, the output shaft of the stepper motor 6 rotates, and drives the support shaft 8 to rotate. During the rotation of the support shaft 8, the spiral auger 17 can evenly transport the tea leaves fed into the conveying cylinder 1 to various places in the conveying cylinder 1. At this time, since the spiral auger 17 is not subjected to the axial force along the support shaft 8, the spiral auger 17 does not produce elastic compression deformation, so the tea leaves in the conveying cylinder 1 are relatively loose, and the convex strips 11 have no kneading effect on the tea leaves. During the feeding process, the discharge bin 2 is in a closed state, and after the feeding is completed, the mouth of the feeding bin 3 is also closed, so that the conveying cylinder 1 is basically in a closed state (a small amount of air is allowed to enter the conveying cylinder 1);

[0053] Fermentation: Start the stepper motor 6, the output shaft of the stepper motor 6 drives the support shaft 8 to rotate, and when rotating, the cylinder 5 is started synchronously, and the cylinder rod of the cylinder 5 is extended to drive the movable plate 15 to move toward the direction of the conveying cylinder 1, so that the ball 16 at the end of the driving rod 4 presses against the end surface of the movable baffle 13, so that the movable baffle 13 moves away from the feeding bin 3, so that the second ring 14 slides on the support shaft 8, so that the second ring 14 moves in the direction of the first ring 9, and the spiral auger 17 elastically contracts, so as to push the conveying cylinder 1 is gathered, and with the rotation of the support shaft 8, the spiral auger 17 can stir the tea leaves. During the stir-frying process, the convex strips 11 on the surface of the spiral auger 17 will produce a rolling effect on the tea leaves. When the spiral auger 17 is compressed, the convex strips 11 will move in multiple directions and deform synchronously with the spiral auger 17, so that the convex strips 11 can roll the tea leaves. When rolling, the convex strips 11 can destroy the cell walls of the tea leaves, so that the juice in the tea leaves cells seeps out, so that the juice contacts oxygen and the fermentation effect is better.

[0054] Oxidation: When the spiral auger 17 is in a compressed state, the end of the toggle rod 19 will be squeezed by the spiral auger 17, so that the toggle rod 19 slides toward the inner side of the blowing seat 12. When sliding, the rack part 26 on the toggle rod 19 meshes with the gear part 24 to rotate, thereby driving the rotating shaft 23 to rotate. When the rotating shaft 23 rotates, the rotating disk 27 will rotate, so that the through groove 28 and the air outlet 21 begin to penetrate, so that the air enters the transition hole 20 of the support shaft 8 from the joint 18, and is blown into the gathered tea leaves from the inner cavity of the blowing seat 12, the through groove 28 and the air outlet 21, so that the oxygen in the air contacts the juice squeezed out of the tea leaves, so that the tea leaves can be fermented more effectively. At the same time, the rotation of the rotating disk 27 will cause the volute spring 22 to contract and accumulate elastic potential energy, and then the cylinder rod of the cylinder 5 will shorten, and the spiral auger 17 will The elastic deformation is restored, so that the spiral auger 17 changes from an elastically contracted state to an elastically expanded state, so that the spiral auger 17 pushes the second ring 14 to move in the direction of the motor seat 7, and the movable baffle 13 pushes the driving rod 4 to move in the direction of the motor seat 7. At this time, the tea leaves in the conveying cylinder 1 change from a gathered state to a loose state, and the push force on the toggle rod 19 caused by the surface of the spiral auger 17 disappears. Under the release of the elastic potential energy of the volute spring 22, the rotating disk 27 rotates in the opposite direction, so that the through groove 28 and the air outlet 21 are staggered. At this time, air cannot enter the conveying cylinder 1 from the air outlet 21, thereby causing the tea leaves to ferment. After the fermentation is completed, the stepper motor 6 is started again, and the output shaft of the stepper motor 6 drives the supporting shaft 8 to rotate, so that the spiral auger 17 can drive the fermented tea leaves to the discharge bin 2, open the discharge bin 2, and allow the tea leaves to fall from the discharge bin 2.

[0055] The following points should be noted: First, in the description of this application, it should be noted that unless otherwise specified and defined, the terms "installed", "connected", and "coupled" should be understood in a broad sense, which can be a mechanical connection or an electrical connection, or the communication inside two components, and can be directly connected. The terms "upper", "lower", "left", "right", etc. are only used to represent the relative position relationship. When the absolute position of the object being described changes, the relative position relationship may change;

[0056] Second, in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are involved. For other structures, reference can be made to the general design. Without conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

[0057] Finally, the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A tea production device based on tea fermentation, comprising a conveying cylinder (1), characterized in that, Further comprising: A support shaft (8) rotatably connected coaxially inside the conveying cylinder (1), and the support shaft (8) is driven to rotate by a rotating member installed at the end of the conveying cylinder (1); Collars respectively connected to both ends of the support shaft (8), the two collars are respectively defined as a first collar (9) and a second collar (14), the first collar (9) is fixedly sleeved on the end of the support shaft (8), and the second collar (14) is slidably sleeved on the support shaft (8) and is key-connected to the support shaft (8); A spiral auger (17) slidably sleeved on the periphery of the support shaft (8), both ends of the spiral auger (17) are fixedly connected to the peripheries of the first collar (9) and the second collar (14) respectively, and when the first collar (9) moves towards the second collar (14), the spiral auger (17) will generate telescopic deformation along the axial direction of the support shaft (8), a rib (11) is fixedly connected to the spiral surface of the spiral auger (17), and the thickness dimension of the spiral auger (17) gradually decreases in the direction away from the second collar (14).

2. The tea production equipment based on tea fermentation according to claim 1, characterized in that, Feeding bins (3) and discharging bins (2) are respectively arranged at both axial ends of the conveying cylinder (1), and the discharging bin (2) corresponds to the first collar (9).

3. The tea production equipment based on tea fermentation according to claim 1, characterized in that Fixed retaining discs (10) and movable retaining discs (13) are respectively fixedly sleeved on the peripheries of the first collar (9) and the second collar (14), and the outer diameters of the fixed retaining disc (10) and the movable retaining disc (13) match the inner diameter of the conveying cylinder (1).

4. The tea production equipment based on tea fermentation according to claim 3, characterized in that, The rotating member includes a motor base (7) installed at the end of the conveying cylinder (1), a stepping motor (6) is installed on the end face of the motor base (7), and the output shaft of the stepping motor (6) is drivingly connected to the support shaft (8).

5. The tea production equipment based on tea fermentation according to claim 4, characterized in that, Two cylinders (5) are horizontally installed on the outer wall of the motor base (7), the cylinder rods of the two cylinders (5) are jointly drivingly connected to a movable plate (15), a driving rod (4) is horizontally fixedly connected to the outer wall on the other side of the movable plate (15), one end of the driving rod (4) penetrating into the conveying cylinder (1) abuts against the end face of the movable retaining disc (13), and the driving rod (4) freely slides inside the conveying cylinder (1).

6. The tea production equipment based on tea fermentation according to claim 5, characterized in that, A ball (16) is rotatably installed at one end of the driving rod (4) penetrating into the conveying cylinder (1), and the ball (16) is in rolling contact with the end face of the movable retaining disc (13).

7. The tea production equipment based on tea fermentation according to claim 1, characterized in that, A joint (18) is fixedly connected to one end of the support shaft (8) adjacent to the first collar (9), a transition hole (20) communicating with the joint (18) is opened inside the support shaft (8), a plurality of air blowing seats (12) are fixedly connected to the periphery of the support shaft (8), the inside of the air blowing seat (12) is hollow and communicates with the transition hole (20), and an air outlet (21) is opened on the end face of the air blowing seat (12).

8. The tea production equipment based on tea fermentation according to claim 7, characterized in that, An air outlet adjusting member is provided on the air blowing seat (12). The air outlet adjusting member includes a rotating shaft (23) coaxially penetrating through the air blowing seat (12). One end of the rotating shaft (23) penetrating into the air blowing seat (12) is fixedly sleeved with a rotating disk (27). The upper end surface of the rotating disk (27) is in contact connection with the inner top wall of the inner cavity of the air blowing seat (12). A through groove (28) corresponding to the air outlet (21) is formed in the end surface of the rotating disk (27). The outer diameter of the rotating disk (27) is smaller than the inner diameter of the air blowing seat (12), and a scroll spring (22) is fixedly sleeved on the periphery of the rotating disk (27). Two ends of the scroll spring (22) are respectively fixedly connected to the inner wall of the air blowing seat (12) and the periphery of the rotating disk (27). A toggle rod (19) horizontally penetrates through the periphery of the air blowing seat (12). The toggle rod (19) freely slides on the air blowing seat (12). The toggle rod (19) is in contact connection with the surface of the spiral auger (17). A rack portion (26) is provided at one end of the periphery of the toggle rod (19) penetrating into the air blowing seat (12). A gear portion (24) meshing with the rack portion (26) is provided on the periphery of the rotating shaft (23).

9. The tea production equipment based on tea fermentation according to claim 8, characterized in that, A retaining ring (25) is coaxially and fixedly connected to the inner cavity of the air blowing seat (12). An installation space is formed between the end surface of the retaining ring (25) and the inner wall of the inner cavity of the air blowing seat (12). The rotating disk (27) is clamped in the installation space and rotates freely.

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