Tea leaf circular screening machine with multi-stage screening structure

Abstract

The utility model discloses a tea leaf circular screening machine with a multi-stage screening structure, which relates to the technical field of tea leaf processing equipment and comprises a support frame and a motor fixedly mounted on the front side of the upper end of the support frame, a rotating disc is fixedly mounted at the output end of the motor, and a fixing rod is fixedly mounted at the upper end of the rotating disc. A connecting rod is rotationally mounted on the outer side of the fixing rod, a multi-stage screening mechanism is arranged at the upper end of the supporting frame, and a movable frame is rotationally mounted at the left end of the connecting rod. Tea leaves are placed on the upper screen plate, the motor drives the rotating disc to rotate, the rotating disc drives the upper fixing rod to rotate, the fixing rod rotates at the right end of the connecting rod, the tea leaves vibrate and roll over on the upper screen plate, large tea leaf stems and impurities are intercepted on the upper screen plate, and the tea leaves passing through the screen mesh fall onto the middle screen plate and the upper screen mesh. And along with the gradual reduction of the aperture of the screen mesh, the tea leaves are sequentially screened on each layer of screen mesh, so that multi-stage screening is realized, and the tea leaves can be finely graded.

Description

Technical Field

[0001] This utility model relates to the technical field of tea processing equipment, specifically a tea circular sieve machine with a multi-stage sieving structure. Background Technology

[0002] In the tea processing industry, screening is a crucial step that directly affects the quality and value of tea. However, existing tea screening equipment has many shortcomings, which seriously restricts the efficiency and quality of tea processing.

[0003] Traditional tea sieving equipment mostly uses a single-layer screen structure. This structure can only simply separate tea leaves from larger impurities, and cannot perform detailed grading of tea leaves according to different characteristics such as size and shape. Because tea leaves are affected by various factors during their growth, their size and shape vary. A single screen cannot accurately distinguish these differences, resulting in tea leaves of different qualities being mixed together, which reduces the overall value of the tea. For some famous and high-quality teas, consumers have high requirements for their appearance and size. Traditional sieving equipment cannot meet this demand for fine grading, which prevents high-quality teas from highlighting their unique value and affects the market competitiveness of the tea.

[0004] For example, a circular tea sieve machine with announcement number CN110624820A has a feed hopper connected to the top of the main body and a drive mechanism connected to the bottom. Inside the main body, multiple layers of inclined sieve plates are arranged from top to bottom. Multiple discharge pipes, corresponding to and connected to each sieve plate, are located on the outer wall of the inclined side of the main body. A tea scraping mechanism is provided between adjacent sieve plates. However, this circular tea sieve machine cannot finely grade tea leaves according to size and shape, affecting the value and market competitiveness of the tea. Furthermore, it has other problems. Existing equipment is not effective at cleaning impurities and dust inside the tea leaves. During tea picking and preliminary processing, some impurities and dust inevitably get mixed in. Traditional equipment lacks an effective adsorption and cleaning mechanism, leaving these impurities and dust in the tea leaves. When consumers brew tea, these impurities and dust affect the clarity and taste of the tea soup, reducing the consumer's tea-drinking experience and consequently impacting the tea brand image and market reputation. Utility Model Content

[0005] The purpose of this utility model is to provide a tea circular sieve machine with a multi-stage sieving structure to solve the problems mentioned in the background art, such as the inability to finely grade tea leaves according to size and shape, which affects the value and market competitiveness of tea leaves, as well as the poor cleaning effect on tea impurities and dust, which affects the clarity and taste of tea soup during brewing and damages the brand image.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a tea circular sieve machine with a multi-stage sieving structure, comprising a support frame and a motor fixedly installed on the front side of the upper end of the support frame; a rotating disk is fixedly installed at the output end of the motor, and a fixed rod is fixedly installed on the upper end of the rotating disk, and a connecting rod is rotatably installed on the outer side of the fixed rod; a multi-stage sieving mechanism is provided on the upper end of the support frame, and a movable frame is rotatably installed on the left end of the connecting rod, and the movable frame is located on the upper end of the support frame; an impeller is fixedly installed at the output end of the motor, a debris adsorption mechanism is provided on the left side of the upper end of the support frame, and a protective shell is fixedly installed on the rear right side of the upper end of the support frame, and the impeller is located inside the protective shell.

[0007] Furthermore, the multi-stage screening mechanism includes a movable wheel fixedly installed at the front right side of the lower end of the movable frame, and four movable wheels are evenly distributed with the movable frame as the center of symmetry.

[0008] Furthermore, a guide plate is fixedly installed at the front of the upper end of the support frame, and two guide plates are evenly distributed with the support frame as the center of symmetry, and the guide plates cooperate with the moving wheels.

[0009] Furthermore, a lower sieve plate is fixedly installed inside the lower end of the movable frame, and a middle sieve plate is fixedly installed in the middle of the movable frame, with the middle sieve plate installed on the upper end of the lower sieve plate.

[0010] Furthermore, an upper screen plate is fixedly installed inside the upper part of the movable frame, and a placement box is provided at the left end of the support frame, with the placement box corresponding to the outlets of the lower screen plate, the middle screen plate, and the upper screen plate.

[0011] Furthermore, the debris adsorption mechanism includes an adsorption tube installed through the middle of the upper end of the protective shell, a collection port installed through the upper end of the adsorption tube, and the collection port is installed on the upper end of the movable frame, and the collection port corresponds to the lower sieve plate, the middle sieve plate and the upper sieve plate.

[0012] Furthermore, a discharge pipe is installed through the rear end of the protective shell, and a collection box is installed through the lower end of the discharge pipe. The collection box is movable inside the support frame, and a cleaning port is provided at the front end of the collection box.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. Place the tea leaves on the upper sieve plate. The motor drives the rotating disc to rotate, which in turn drives the upper fixed rod to rotate. The right end of the connecting rod of the fixed rod rotates, causing the tea leaves to vibrate and tumble on the upper sieve plate. Larger tea stems and debris are intercepted on the upper sieve plate. The tea leaves that pass through the sieve fall onto the sieves on the middle and upper sieve plates. As the sieve mesh size gradually decreases, the tea leaves are sieved sequentially on each layer of sieves, achieving multi-stage screening and enabling fine grading of the tea leaves.

[0015] Furthermore, the multi-layer sieving structure can accurately grade tea leaves based on their size, shape, and other characteristics by setting sieves with different aperture sizes. This allows for the selection of premium-grade tea leaves that are uniform in size and shape, as well as secondary-grade tea leaves of different grades, ensuring high quality consistency across all grades. This high-precision grading method greatly enhances the commercial value of tea.

[0016] Furthermore, it can be quickly classified. Compared to single-layer screens that require repeated screening to achieve a similar grading effect, multi-layer screening greatly shortens the screening time. In large-scale tea processing plants, multi-layer circular screens can process large quantities of tea in a short time, improving production efficiency and meeting the market demand for high-quality, finely graded tea. This helps tea companies occupy a more advantageous position in the high-end market.

[0017] 2. When impurities and dust are present during the sieving of tea leaves, the motor drives the impeller located inside the protective casing to rotate at high speed. As the impeller rotates rapidly, airflow is formed around it, causing impurities and dust on the upper part of the tea to be adsorbed through the collection port on the adsorption tube under the suction of the airflow. This effectively cleans the impurities and dust. The effective impurity and dust adsorption mechanism ensures the clarity and taste of the tea soup when brewing tea.

[0018] Furthermore, the adsorption device can thoroughly clean the impurities and dust remaining in the tea leaves, resulting in a clear and bright tea soup without any suspended impurities. This not only enhances the tea-drinking experience for consumers but also strengthens the market competitiveness of tea products. For consumers who value the quality of tea soup, a clear and delicious tea soup is one of the important factors in choosing tea, reducing potential hygiene risks caused by impurities and dust. Attached Figure Description

[0019] Figure 1 This is a front-view three-dimensional structural schematic diagram of the present invention;

[0020] Figure 2 This is a three-dimensional structural diagram of the guide plate of this utility model;

[0021] Figure 3 This is a three-dimensional structural diagram of the connecting rod of this utility model;

[0022] Figure 4 This is a schematic diagram of the three-dimensional structure of the movable frame of this utility model;

[0023] Figure 5 This is a three-dimensional structural diagram of the protective shell of this utility model;

[0024] Figure 6 This is a schematic diagram of the three-dimensional structure of the impeller of this utility model.

[0025] In the diagram: 1. Support frame; 2. Motor; 3. Rotating disc; 4. Fixed rod; 5. Connecting rod; 6. Moving frame; 7. Impeller; 8. Protective shell; 9. Moving wheel; 10. Guide plate; 11. Lower sieve plate; 12. Middle sieve plate; 13. Upper sieve plate; 14. Placement box; 15. Adsorption tube; 16. Collection port; 17. Discharge pipe; 18. Collection box. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Example 1: Please refer to Figures 1-6 This utility model provides the following technical solution: a tea circular sieve machine with a multi-stage sieving structure, including a support frame 1 and a motor 2 fixedly installed on the front side of the upper end of the support frame 1; a rotating disk 3 is fixedly installed at the output end of the motor 2, and a fixed rod 4 is fixedly installed on the upper end of the rotating disk 3, and a connecting rod 5 is rotatably installed on the outer side of the fixed rod 4; a multi-stage sieving mechanism is provided on the upper end of the support frame 1, and a movable frame 6 is rotatably installed on the left end of the connecting rod 5, and the movable frame 6 is located on the upper end of the support frame 1; an impeller 7 is fixedly installed at the output end of the motor 2; a debris adsorption mechanism is provided on the left side of the upper end of the support frame 1, and a protective shell 8 is fixedly installed on the rear right side of the upper end of the support frame 1, and the impeller 7 is located inside the protective shell 8; multi-stage... The screening mechanism includes a movable wheel 9 fixedly installed on the front right side of the lower end of the movable frame 6, and four movable wheels 9 are evenly distributed around the movable frame 6 as the center of symmetry. A guide plate 10 is fixedly installed on the front upper end of the support frame 1, and two guide plates 10 are evenly distributed around the support frame 1 as the center of symmetry. The guide plates 10 cooperate with the movable wheels 9. A lower screen plate 11 is fixedly installed inside the lower end of the movable frame 6, and a middle screen plate 12 is fixedly installed in the middle of the interior of the movable frame 6. The middle screen plate 12 is installed on the upper end of the lower screen plate 11. An upper screen plate 13 is fixedly installed at the upper end of the interior of the movable frame 6. A placement box 14 is provided on the left end of the support frame 1, and the placement box 14 corresponds to the outlet of the lower screen plate 11, the middle screen plate 12 and the upper screen plate 13.

[0028] Tea leaves are placed on the upper sieve plate 13. The motor 2 drives the rotating disk 3 to rotate, which in turn drives the upper fixed rod 4 to rotate. The right end of the connecting rod 5 of the fixed rod 4 rotates, and the rotation of the connecting rod 5 drives the moving frame 6 to move. The moving frame 6 is connected to the moving wheel 9 at the lower end of the moving frame 6 and the guide plate 10 at the upper end of the support frame 1. The tea leaves vibrate and tumble on the upper sieve plate 13. Larger tea stems and debris are intercepted on the upper sieve plate 13. The tea leaves that pass through the sieve fall onto the middle sieve plate 12 and the upper sieve plate 13. As the sieve mesh size gradually decreases, the tea leaves are screened sequentially on each layer of sieve, achieving multi-stage screening. The tea leaves on the outer side of the screening fall into the placement box 14 through the material openings of the lower sieve plate 11, the middle sieve plate 12 and the upper sieve plate 13.

[0029] The debris adsorption mechanism includes an adsorption tube 15 installed through the middle of the upper end of the protective shell 8, a collection port 16 installed through the upper end of the adsorption tube 15, and the collection port 16 is installed on the upper end of the movable frame 6. The collection port 16 corresponds to the lower sieve plate 11, the middle sieve plate 12 and the upper sieve plate 13. An outlet pipe 17 is installed through the rear end of the protective shell 8, and a collection box 18 is installed through the lower end of the outlet pipe 17. The collection box 18 is located inside the support frame 1 and can move. A cleaning port is provided at the front end of the collection box 18.

[0030] When tea leaves contain impurities and dust during sieving, the motor 2 drives the impeller 7 located inside the protective casing 8 to rotate at high speed. As the impeller 7 rotates rapidly, an airflow is formed around it. Impurities and dust on the upper part of the base are drawn in by the suction force of the airflow and are drawn in through the collection port 16 on the adsorption tube 15. They are then sent into the collection box 18 through the discharge tube 17 at the rear end of the protective casing 8, thereby effectively cleaning the impurities and dust.

[0031] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0032] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A tea circular sieve machine with a multi-stage sieving structure, comprising a support frame (1) and an electric motor (2) fixedly installed on the front side of the upper end of the support frame (1); Its features are: The output end of the motor (2) is fixedly installed with a rotating disk (3), and a fixed rod (4) is fixedly installed on the upper end of the rotating disk (3). A connecting rod (5) is rotatably installed on the outside of the fixed rod (4). A multi-stage screening mechanism is provided on the upper end of the support frame (1), and a movable frame (6) is rotatably installed on the left end of the connecting rod (5). The movable frame (6) is located on the upper end of the support frame (1). An impeller (7) is fixedly installed at the output end of the motor (2), a debris adsorption mechanism is provided on the upper left side of the support frame (1), and a protective shell (8) is fixedly installed on the upper right rear side of the support frame (1), and the impeller (7) is located inside the protective shell (8).

2. The tea circular sieve machine with a multi-stage screening structure according to claim 1, characterized in that: The multi-stage screening mechanism includes a moving wheel (9) fixedly installed on the front right side of the lower end of the moving frame (6), and four moving wheels (9) are evenly distributed with the moving frame (6) as the center of symmetry.

3. A tea circular sieve machine with a multi-stage screening structure according to claim 2, characterized in that: The upper front of the support frame (1) is fixedly installed with a guide plate (10), and two guide plates (10) are evenly distributed with the support frame (1) as the center of symmetry, and the guide plates (10) cooperate with the moving wheels (9).

4. A tea circular sieve machine with a multi-stage screening structure according to claim 3, characterized in that: The lower end of the movable frame (6) is fixedly installed with a lower sieve plate (11), and the middle sieve plate (12) is fixedly installed in the middle of the movable frame (6), and the middle sieve plate (12) is installed on the upper end of the lower sieve plate (11).

5. A tea circular sieve machine with a multi-stage screening structure according to claim 4, characterized in that: The upper screen plate (13) is fixedly installed inside the upper part of the movable frame (6), and a placement box (14) is provided on the left end of the support frame (1). The placement box (14) corresponds to the outlets of the lower screen plate (11), the middle screen plate (12) and the upper screen plate (13).

6. A tea circular sieve machine with a multi-stage screening structure according to claim 1, characterized in that: The debris adsorption mechanism includes an adsorption tube (15) installed through the middle of the upper end of the protective shell (8). A collection port (16) is installed through the upper end of the adsorption tube (15), and the collection port (16) is installed on the upper end of the movable frame (6). The collection port (16) corresponds to the lower sieve plate (11), the middle sieve plate (12), and the upper sieve plate (13).

7. A tea circular sieve machine with a multi-stage screening structure according to claim 6, characterized in that: The protective shell (8) has an outlet pipe (17) installed through its rear end. A collection box (18) is installed through its lower end. The collection box (18) is located inside the support frame (1) and can move. A cleaning port is provided at the front end of the collection box (18).

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