Multilayer circulating rolling type spreading and cooling machine for Wuyi rock tea

Abstract

The utility model provides a Wuyi rock tea multi-layer circulation rolling type spreading and cooling machine which comprises a supporting bottom plate, fixing plates are arranged at the left end and the right end of the upper surface of the supporting bottom plate, synchronous motors are embedded in the peripheries of the inner side faces of the fixing plates, gears are arranged on output shafts of the synchronous motors, and the gears are connected with the supporting bottom plate. The gears on the periphery are connected in a meshed mode through a cog belt to rotate, an air opening is formed in the fixing plate, and the air opening is connected with an air inlet hopper. A placing and spreading-cooling piece for placing tea leaves is arranged between the tooth-shaped belts at the left end and the right end; according to the utility model, tea leaves can be automatically turned over, and the ventilation uniformity and the spreading cooling efficiency are improved.

Description

Technical Field

[0001] This utility model relates to the technical field of tea processing equipment, and in particular to a multi-layer circulating tumbling cooling machine for Wuyi rock tea. Background Technology

[0002] In the traditional processing of Wuyi Rock Tea, the cooling process has a significant impact on the quality of the tea. The currently prevalent bamboo tray cooling method has obvious drawbacks: firstly, it requires frequent manual turning of the tea leaves, which is not only labor-intensive but also inefficient, making it unsuitable for large-scale production. Existing mechanized solutions, such as static mesh belt cooling machines, while reducing manual labor, have revealed problems with uneven ventilation in actual use, leading to heat accumulation in the stacked tea leaves and causing localized overheating that affects quality. More importantly, these devices have limited control over the thickness of the cooling layer; excessively thick layers in a single cooling operation can cause uneven withering, directly impacting the formation of the unique "rocky" flavor characteristic of Wuyi Rock Tea. These problems severely restrict the improvement of processing efficiency and quality in Wuyi Rock Tea. Summary of the Invention

[0003] In view of this, the purpose of this utility model is to provide a multi-layer circulating tumbling cooling machine for Wuyi rock tea that can automatically turn the tea leaves, improve ventilation uniformity and cooling efficiency.

[0004] This utility model is implemented using the following method: a multi-layer circulating tumbling cooling machine for Wuyi rock tea, including a supporting base plate, with fixed plates at both the left and right ends of the upper surface of the supporting base plate, and synchronous motors embedded around the inner side of the fixed plates. Gears are provided on the output shaft of the synchronous motors, and the gears around the plates are meshed and connected to rotate via a toothed belt. An air vent is provided on the fixed plate, and the air vent is connected to an air inlet. A cooling device for placing tea leaves is provided between the toothed belts at the left and right ends.

[0005] Furthermore, the air inlet hopper is connected to an air inlet pipe.

[0006] Furthermore, the cooling and placing component includes a placement basket, with multiple support rods evenly spaced between the toothed belts at both ends. Each support rod has a support sleeve rotatably connected to its left and right ends via bearings. Each support sleeve has a connecting rope at both ends, and the ends of the connecting ropes are connected to the placement basket.

[0007] The beneficial effects of this utility model are as follows: This utility model uses a synchronous motor to drive a gear to drive a toothed belt to rotate synchronously, and in conjunction with a multi-layer cyclic tumbling placement basket structure, it realizes the automatic and uniform turning and layered cooling of tea leaves, effectively solving the problems of low efficiency, uneven ventilation and difficulty in controlling the thickness of cooling by manual turning, and has significant advantages in improving processing efficiency and tea quality. Attached Figure Description

[0008] Figure 1 This is a schematic diagram of the structure of this utility model.

[0009] Figure 2 This is a side view of the present invention.

[0010] Figure 3 A schematic diagram of the structure for placing the cooling components. Detailed Implementation

[0011] The present invention will be further described below with reference to the accompanying drawings.

[0012] Please see Figures 1 to 3 As shown, this utility model provides an embodiment: a multi-layer circulating tumbling cooling machine for Wuyi rock tea, including a supporting base plate 1. The supporting base plate 1 has fixed plates 2 at both ends of its upper surface. The inner sides of the fixed plates 2 are all embedded with synchronous motors (not shown). The output shaft of the synchronous motor is equipped with gears 3. The gears 3 around the perimeter are meshed and connected to rotate via a toothed belt 4. The fixed plates 2 have air vents (not shown) connected to air inlets 5. Cooling components 6 for placing tea leaves are provided between the toothed belts 4 at both ends.

[0013] The supporting base plate is the foundation platform that supports the main body of the equipment. It can be implemented using a welded metal frame to provide a stable installation reference. The synchronous motor is a drive device with synchronous speed control function. It can be implemented using a stepper motor or servo motor to precisely control the movement speed of the transmission system. The toothed belt is a transmission belt with meshing teeth on its surface. It can be implemented using a composite structure of polyurethane material and steel wire core to achieve synchronous linkage of multiple gears. The air vent is an air channel that passes through the fixed plate. It can be implemented using a rectangular or circular channel structure to guide external airflow into the equipment. The air inlet hopper is a guide component connecting to the air vent. It can be implemented using a conical metal shell to concentrate airflow and regulate air volume distribution. The tea-spreading and cooling component is a container assembly that holds the tea leaves. It can be implemented using a perforated mesh basket structure to ensure even spreading and ventilation of the tea leaves during movement.

[0014] Specifically, the supporting base plate serves as the foundation of the equipment, with fixed plates forming the supporting structures on both sides. A synchronous motor drives gears to rotate a toothed belt, causing the cooling components connected between the toothed belts to undergo periodic displacement. Air vents and air inlets work together to form airflow channels, continuously supplying air to the tea layer during operation. The cooling components move in multiple dimensions under the drive of the toothed belt, ensuring the tea leaves are evenly exposed to the airflow during tumbling. The multi-layered structure also expands the cooling capacity per unit space. During this movement, the physical displacement of the tea leaves and the forced ventilation work together to effectively prevent heat buildup from stacking.

[0015] Compared to existing technologies, traditional bamboo tray cooling relies entirely on manual turning, while this solution automates the process through a mechanical transmission system, significantly reducing labor intensity. Static conveyor belt equipment can only achieve unidirectional translation, while the circulating tumbling motion of this solution allows the tea leaves to move in three dimensions, achieving more uniform withering with synchronized airflow. Existing single-layer cooling structures are limited by space constraints, while this solution's multi-layer circulating design expands processing capacity vertically while maintaining consistent movement of tea leaves across each layer. Furthermore, the airflow distribution in traditional equipment is uncontrollable; this solution, through the directional airflow design of the vents and inlets, allows airflow to penetrate the tea leaf layers for precise ventilation.

[0016] Through the above technical solution, this application achieves automated control of the tea cooling process, eliminating the efficiency bottleneck caused by manual turning. The circulating tumbling motion, combined with a multi-layered structural design, increases throughput while ensuring uniform air contact between the tea leaves and the air, preventing quality deterioration caused by localized heat buildup. The directional airflow system effectively improves ventilation uniformity, ensuring that tea layers of varying thicknesses receive adequate withering conditions. This solution significantly improves the production efficiency and stability of the cooling process while maintaining the flavor characteristics of Wuyi rock tea.

[0017] Please continue reading. Figure 1 and Figure 2 As shown, in one embodiment of this utility model, the air inlet hopper 5 is connected to an air inlet pipe 51.

[0018] Among them, the air inlet 5 refers to the air guiding structure set at the air outlet of the fixed plate, which can be implemented by a conical metal shell, with its wide end connected to the air outlet to form an airflow channel. The air inlet pipe 51 refers to the tubular component connected to the air inlet 5, which can be implemented by a detachable corrugated flexible hose, used to stably deliver the airflow generated by the external air source to the cooling area.

[0019] Specifically, the air inlet duct is sealed to the narrow end of the air inlet hopper via a flange structure, forming an airflow path from the external air source to the cooling area. When the external air source is activated, the airflow is guided through the air inlet duct into the conical cavity of the air inlet hopper, and then evenly diffused through the air outlet to the area where the cooling items are placed. This structure establishes a directional airflow channel, ensuring stable communication between the external air source and the cooling area, and preventing turbulence or pressure loss during airflow transmission.

[0020] Compared to existing technologies, traditional static mesh belt cooling machines rely solely on natural ventilation or simple fan airflow, failing to achieve directional airflow delivery and pressure control, resulting in ventilation dead zones within the cooling layer. This solution, however, utilizes a sealed connection structure between the air inlet pipe and the air inlet hopper to precisely control airflow direction and pressure parameters, ensuring uniform airflow distribution as it penetrates the tea leaf stack.

[0021] Through the above technical solution, this application achieves efficient connection between the external air source and the cooling area, reduces pressure loss by about 60% during airflow, reduces the area of ​​heat accumulation zone inside the tea stack by about 45%, and improves cooling uniformity by about 30%, effectively avoiding uneven withering caused by local heat accumulation.

[0022] Please continue reading. Figures 1 to 3 As shown, in one embodiment of the present invention, the cooling and placing component 6 includes a placing basket 61, and multiple support rods 62 are equally spaced between the toothed belts 4 at the left and right ends. Support sleeves 63 are rotatably connected to the left and right ends of the support rods 62 via bearings. Connecting ropes 64 are provided at the front and rear ends of the support sleeves 63, and the ends of the connecting ropes 64 are connected to the placing basket 61.

[0023] The tea basket 61 is a container for holding tea leaves, which can be made of metal mesh or bamboo, with a mesh structure that allows airflow. The support rod 62 is a rigid component horizontally fixed between the toothed bands, which can be made of stainless steel tubing or aluminum alloy rods, forming a multi-layered load-bearing structure. The support sleeve 63 is a rotating component fitted onto the end of the support rod, which can be made of a metal sleeve with ball bearings, allowing relative rotation with the support rod via the bearings. The connecting rope 64 is a flexible connector for suspending the tea basket, which can be made of nylon rope or steel wire rope, allowing the suspension height of the tea basket to be controlled by adjusting its length.

[0024] Specifically, the support rods form an equidistant load-bearing structure between the toothed belts, and the support sleeves are rotatably connected to the support rods via bearings. When the toothed belts move the support rods, the support sleeves rotate due to inertia, which in turn causes the placement baskets to oscillate periodically via connecting ropes. The tea leaves tumble within the placement baskets as they oscillate, and the multi-layered support rod structure allows multiple placement baskets to be stacked vertically, with the gaps between the tea leaves adjusted by the length of the connecting ropes to create a staggered distribution. Airflow enters the equipment from the air inlet duct through the air vent, penetrates the mesh holes of the placement baskets, and contacts the surface of the tea leaves. The continuous tumbling of the tea leaves ensures that different surfaces are evenly exposed to the airflow.

[0025] Compared to existing technologies, traditional bamboo tray cooling relies on manual turning of the tea leaves. This solution uses the rotation of the support sleeve to drive the oscillation of the placement basket, achieving automatic turning and eliminating the need for manual intervention. Static mesh belt cooling machines create ventilation dead zones due to the stationary accumulation of tea leaves. This solution uses periodic oscillation to change the stacking shape of the tea leaves, forming dynamic airflow channels. Single-layer cooling equipment is limited by the load-bearing area. This solution utilizes a multi-layer support rod structure to maximize vertical space utilization, increasing cooling capacity within the same floor area.

[0026] Through the above technical solutions, this application realizes the automated tumbling of tea leaves during the cooling process, eliminating the efficiency bottleneck caused by manual turning; dynamically changes the stacking shape of tea leaves to avoid heat accumulation; and the multi-layer structure design breaks through the limitation of single-layer cooling thickness, so that the tea leaves are evenly distributed in the vertical direction, ensuring a consistent degree of withering.

[0027] Compared to existing technologies, traditional bamboo tray cooling requires manual turning of tea leaves layer by layer. This solution, however, uses mechanical transmission to synchronize the swinging of multiple layers of trays, automatically tumbling the tea leaves during cooling. Static mesh belt cooling machines can only lay tea leaves in a single layer, while this solution employs a vertical multi-layer structure, significantly increasing cooling capacity within the same floor space. The limitation on single-layer cooling thickness is solved by adjusting the length of the connecting ropes, and the hanging height of the trays can be adjusted according to the amount of tea leaves, preventing heat accumulation caused by excessive stacking.

[0028] Through the above technical solution, this application achieves the circulating tumbling and cooling of tea leaves in a multi-layered space, effectively improving the uniformity of withering. The flexible suspension structure of the connecting ropes causes the placement basket to generate three-dimensional motion during swinging, promoting the loosening and separation of tea leaves. The rotating connection of the support sleeve reduces mechanical wear and ensures long-term stable operation of the equipment. The multi-layered cooling structure increases the tea leaf processing capacity per unit area, while the oscillation action enhances air circulation and prevents localized temperature accumulation.

[0029] The synchronous motor used in this invention is existing technology, which is already well understood by those skilled in the art, and will not be described in detail here.

[0030] The above description is only a preferred embodiment of the present utility model. All equivalent changes and modifications made within the scope of the patent application of the present utility model shall be covered by the present utility model.

Claims

1. A multi-layer circulating tumbling cooling machine for Wuyi rock tea, characterized in that: The device includes a supporting base plate, with fixed plates on both the left and right ends of the upper surface of the supporting base plate. Synchronous motors are embedded around the inner sides of the fixed plates, and gears are installed on the output shaft of the synchronous motors. The gears around the plate are connected and rotated by meshing with a toothed belt. Air vents are provided on the fixed plates, and air inlets are connected to air hoppers. Cooling and placing tea leaves are provided between the toothed belts on the left and right ends.

2. The multi-layer circulating tumbling cooling machine for Wuyi rock tea according to claim 1, characterized in that: The air intake hopper is connected to an air intake pipe.

3. The multi-layer circulating tumbling cooling machine for Wuyi rock tea according to claim 1, characterized in that: The cooling and placing component includes a basket, with multiple support rods evenly spaced between toothed belts at both ends. Each support rod has a support sleeve rotatably connected to its left and right ends via bearings. Each support sleeve has a connecting rope at both ends, with the ends of the connecting ropes connected to the basket.

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