Efficient vibrating screen structure for tea grading and screening
The tea grading and screening device, with its double-layer screen structure and electric push rod drive, solves the problems of multi-stage screening and rapid collection in traditional tea grading and screening, thereby improving screening efficiency and ease of equipment maintenance.
Patent Information
- Application Number
- CN202520294487.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-24
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2035-02-24
AI Technical Summary
Traditional tea grading and screening machinery is difficult to achieve multi-stage screening and rapid collection, resulting in inaccurate tea grade differentiation and low screening efficiency.
It adopts a double-layer screen structure, combined with a vibration motor drive and electric push rod, to realize multi-stage screening and convenient feeding of tea leaves, and the screen can be easily disassembled and maintained through the inclined slider and spring structure.
It enables multi-level precise screening and rapid collection of tea leaves, improving screening efficiency and equipment maintenance convenience.
Smart Images
Figure CN223832828U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of tea grading and screening technology, and in particular to a high-efficiency vibrating screen structure for tea grading and screening. Background Technology
[0002] As an important economic crop, tea's quality and grading significantly impact its market value and consumer experience. Grading and screening are crucial steps in tea processing, directly affecting tea quality and production efficiency. With the continuous development of the tea market, the requirements for the precision and efficiency of tea grading and screening are increasing, and traditional screening methods are no longer sufficient to meet the demands of modern production. Therefore, developing a highly efficient vibrating screen structure has become an important research direction in the tea processing field.
[0003] Traditional tea grading and sorting machinery mostly uses a single screen structure, which sorts tea leaves through simple vibration or shaking. Its technical principle mainly utilizes the difference in tea particle size; during screen vibration, smaller tea particles fall through the screen holes, while larger particles remain on the screen, thus distinguishing different grades of tea.
[0004] However, traditional tea grading and screening machinery is difficult to perform multi-stage screening of tea. Traditional single-screen or simple drum screening methods can only achieve a single or relatively simple screening process and cannot perform detailed grading of tea. For tea leaves picked in the same batch, there are certain differences in size, shape and quality. It is difficult to accurately distinguish different grades of tea leaves with only one screening. Furthermore, it is not possible to quickly collect different tea leaves after screening. Therefore, a high-efficiency vibrating screen structure for tea grading and screening is proposed to solve the above problems. Utility Model Content
[0005] To overcome the above shortcomings, this utility model provides a high-efficiency vibrating screen structure for tea grading and screening, which aims to improve the problems in the existing technology that it is impossible to perform detailed grading of tea and cannot quickly collect different teas after screening.
[0006] To achieve the above objectives, the present invention adopts the following technical solution:
[0007] A high-efficiency vibrating screen structure for tea grading and screening includes a fixed frame, a hinge on the top of the fixed frame, a screen frame fixedly connected to one side of the hinge, vibration damping springs on the side wall of the screen frame, a vibration motor fixedly connected to one side of the screen frame, a screen mesh inside the screen frame, a feed hopper fixedly connected to the top of the screen frame, and a feeding assembly on the top of the fixed frame.
[0008] The feeding assembly includes a support block and a rotating block. The bottom of the support block is fixedly connected to the top of the fixed frame, and the rotating block is rotatably connected to the outer wall of the support block. An electric push rod is fixedly connected to the top of the rotating block. A fixed block is fixedly connected to the bottom of the screen frame. The fixed block is rotatably connected to the output end of the electric push rod. A support frame is fixedly connected inside the fixed frame. A screen is slidably connected inside the support frame. A pushing assembly is provided on the top of the support frame.
[0009] As a further description of the above technical solution:
[0010] The pushing component includes an electric push rod II and a push plate. The bottom of the electric push rod II is fixedly connected to the top of the support frame, and one side of the push plate is fixedly connected to the output end of the electric push rod II. The push plate is in contact with the screen II.
[0011] As a further description of the above technical solution:
[0012] A handle is fixedly connected to the top of the second screen, and a material collection hopper is fixedly connected to the bottom of the support frame;
[0013] As a further description of the above technical solution:
[0014] The support frame has a slot inside, and the screen mesh is fixedly connected to a support column inside.
[0015] As a further description of the above technical solution:
[0016] The outer wall of the support column is slidably connected to a slanted slider, which is slidably connected inside the slot.
[0017] As a further description of the above technical solution:
[0018] A spring is fitted on the outer wall of the support column, and the two ends of the spring are respectively fixedly connected to the inclined slider and the inside of the second screen.
[0019] As a further description of the above technical solution:
[0020] A guide rod is fixedly connected to the side wall of the sieve frame, and the guide rod is slidably connected inside the fixed frame.
[0021] This utility model has the following beneficial effects:
[0022] 1. In this utility model, a vibrating motor drives the screen frame, which in turn drives the first and second screens to vibrate and complete multi-stage screening. Then, the first electric push rod drives the screen frame to rotate and the second electric push rod drives the push plate to move, thus achieving the effect of multi-stage screening of tea and convenient feeding. This solves the problems of not being able to perform detailed grading of tea and not being able to quickly collect different teas after screening, thereby improving screening efficiency.
[0023] 2. In this utility model, by placing the second screen into the support frame, the inclined slider is squeezed into the compression spring of the second screen, and after placement, the spring rebounds and drives the inclined slider to lock into the slot of the support frame. This structure achieves the effect of easy disassembly and maintenance of the second screen, solves the problems of difficult disassembly and maintenance of the screen, and thus improves the efficiency of equipment maintenance. Attached Figure Description
[0024] Figure 1 This is a three-dimensional schematic diagram of the efficient vibrating screen structure for tea grading and screening proposed in this utility model.
[0025] Figure 2 A schematic diagram of the hinge structure of the high-efficiency vibrating screen structure for tea grading and screening proposed in this utility model;
[0026] Figure 3 This is a schematic diagram of the side wall structure of the screen frame of the high-efficiency vibrating screen structure for tea grading and screening proposed in this utility model.
[0027] Figure 4 This is a schematic diagram of the internal structure of the support frame of the high-efficiency vibrating screen structure for tea grading and screening proposed in this utility model.
[0028] Figure 5 This is a schematic diagram of the inclined slider structure of the efficient vibrating screen structure for tea grading and screening proposed in this utility model.
[0029] Legend:
[0030] 1. Fixed frame; 2. Hinge; 3. Screen frame; 4. Vibration isolation spring; 5. Vibration motor; 6. Screen one; 7. Feed hopper; 8. Fixed block; 9. Support block; 10. Rotating block; 11. Electric push rod one; 12. Support frame; 13. Screen two; 14. Collection hopper; 15. Electric push rod two; 16. Push plate; 17. Handle; 18. Slot; 19. Support column; 20. Spring; 21. Inclined slider; 22. Guide rod. Detailed Implementation
[0031] 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.
[0032] Reference Figures 1-4This utility model provides an embodiment of a high-efficiency vibrating screen structure for tea grading and screening, including a fixed frame 1, which serves as the support part of the equipment and provides a solid foundation. A hinge 2 is provided on the top of the fixed frame 1, and a screen frame 3 is fixedly connected to one side of the hinge 2. The rotation of the screen frame 3 is controlled by the hinge 2, which can flexibly flip to facilitate cleaning and material feeding operations. A vibration isolation spring 4 is provided on the side wall of the screen frame 3, and a vibration motor 5 is fixedly connected to one side of the screen frame 3. It provides strong vibration through the output end, driving the screen frame 3 to vibrate up and down at a high frequency. A screen 6 is provided inside the screen frame 3, and a feed hopper 7 is fixedly connected to the top of the screen frame 3. A material feeding component is provided on the top of the fixed frame 1.
[0033] The feeding assembly includes a support block 9 and a rotating block 10. The bottom of the support block 9 is fixedly connected to the top of the fixed frame 1, and the rotating block 10 is rotatably connected to the outer wall of the support block 9. An electric push rod 11 is fixedly connected to the top of the rotating block 10. A fixed block 8 is fixedly connected to the bottom of the screen frame 3. The fixed block 8 is rotatably connected to the output end of the electric push rod 11. The electric push rod 11 drives the fixed block 8 to move. The fixed block 8 can guide the screen frame 3 to flip through rotation, thereby realizing automatic feeding of tea leaves. A support frame 12 is fixedly connected inside the fixed frame 1. A screen mesh 13 is slidably connected inside the support frame 12. The bottom of the screen frame 3 is connected to the screen mesh 13 via a screen mesh 16. 3. A double-layer screening structure is formed. The secondary screening further removes larger particle impurities. A pushing component is set on the top of the support frame 12. The pushing component includes an electric push rod 15 and a push plate 16. The bottom of the electric push rod 15 is fixedly connected to the top of the support frame 12. One side of the push plate 16 is fixedly connected to the output end of the electric push rod 15. The push plate 16 is in contact with the screen 13. The design of the push plate 16 can effectively push the residual tea leaves on the screen 13 out of the screen, ensuring that every part of the tea leaves in the screen 13 is fully processed and cleaned. A guide rod 22 is fixedly connected to the side wall of the screen frame 3. The guide rod 22 is slidably connected inside the fixed frame 1.
[0034] Specifically, when using this tea sieving device, tea leaves are first fed into the feed hopper 7, allowing them to fall smoothly onto the screen 6 inside the screen frame 3. Then, the output of the vibrating motor 5 drives the screen frame 3 to vibrate. This vibration is transmitted through the screen 6, causing it to move up and down, thus performing preliminary sieving of the tea leaves. This process helps separate larger impurities or oversized tea leaves from smaller particles, ensuring the sieving tea leaves are more uniform and suitable for further processing. The sieving tea leaves fall onto the screen 13 at the bottom of the screen 6 for secondary sieving. During this secondary sieving, the aperture of the screen 13 is smaller than that of the screen 6, further filtering out larger impurities. After this stage of sieving, the tea leaves are more finely classified, further improving their quality and uniformity. When the sieving tea leaves need to be unloaded, the operator can use the output of the electric push rod 11 to move the fixed block 8 smoothly. The fixed block 8 applies force to move the upper screen frame 3. The screen frame 3 is connected by a hinge 2 on one side, allowing it to flip. After the screen frame 3 flips, the unscreened tea leaves above the first screen 6 slide smoothly out of the screen frame 3 for easy collection or reprocessing. In addition, the output end of the electric push rod 15 can also drive the push plate 16 to move horizontally along the top of the second screen 13. The movement of the push plate 16 effectively pushes the tea leaves remaining above the second screen 13 outward, ensuring that all the tea leaves on the second screen 13 are removed in time. Smaller tea leaves will pass through the mesh of the second screen 13 and enter the collection hopper 14, achieving precise screening and effective collection of tea leaves.
[0035] Reference Figure 4 and Figure 5 The top of the second screen 13 is fixedly connected to a handle 17, and the bottom of the support frame 12 is fixedly connected to a collection hopper 14 for collecting the tea leaves screened by the second screen 13 during the screening process. The support frame 12 has a slot 18 inside, which is used to accommodate the inclined slider 21. The inclined slider 21 can slide freely in the slot 18 and achieve precise positioning in conjunction with the support column 19. The support column 19 is fixedly connected inside the second screen 13, and the inclined slider 21 is slidably connected to the outer wall of the support column 19. The inclined slider 21 is slidably connected inside the slot 18. A spring 20 is sleeved on the outer wall of the support column 19, and the two ends of the spring 20 are fixedly connected to the inclined slider 21 and the inside of the second screen 13, respectively.
[0036] Specifically, the process of disassembling or replacing screen 13 is also very convenient. First, gently place screen 13 into the support frame 12. Because screen 13 is equipped with a built-in inclined slider 21, during placement, the inclined slider 21 is squeezed by the inner wall of the support frame 12, causing it to slide into the screen 13. During this process, the spring 20 is compressed, and the contracted spring 20 provides sufficient counterforce to fix the position of the inclined slider 21. At this point, screen 13 is securely placed inside the support frame 12, ensuring it is not easily moved. Finally, when screen 13 is fully placed, the spring 20 releases its force and rebounds, causing the inclined slider 21 to return to its original position and engage in the slot 18 within the support frame 12, completing the fixation. This makes the disassembly and assembly of screen 13 more convenient and quick, greatly improving the maintenance efficiency of the equipment.
[0037] Working Principle: When using this screening device, tea leaves are first fed into the feed hopper 7, falling onto the screen 6 inside the screen frame 3. Then, the output of the vibrating motor 5 drives the screen frame 3 to vibrate, causing the screen frame 3 to move the screen 6 inside, thus performing preliminary screening of the tea leaves. The screened tea leaves fall onto the screen 13 at the bottom of the screen 6 for secondary screening. When it is necessary to unload the tea leaves, the output of the electric push rod 11 drives the fixed block 8 to move. The fixed block 8, under force, causes the top screen frame 3 to move, causing the screen frame 3 to flip via the hinge 2 on one side. This allows the unscreened tea leaves above the screen 6 to slide out of the screen frame 3. Simultaneously, the output of the electric push rod 15 drives the push plate 16 on the screen 13. The screen moves upwards, pushing the remaining tea leaves above the second screen 13. Smaller tea leaves fall into the collection hopper 14 through the second screen 13, thus achieving multi-stage screening of tea leaves and facilitating material discharge. When the second screen 13 needs to be disassembled, it is first placed inside the support frame 12. During this process, the inclined slider 21 inside the second screen 13 is squeezed by the inner wall of the support frame 12, causing the inclined slider 21 to slide into the second screen 13 and compress the spring 20, causing it to contract. When the second screen 13 is placed, the spring 20 releases the force and rebounds, thereby driving the inclined slider 21 to reset and lock into the slot 18 inside the support frame 12 for fixation, thus achieving the effect of easy disassembly and maintenance of the second screen 13.
[0038] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model 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 utility model should be included within the protection scope of the present utility model.
Claims
1. A high-efficiency vibrating screen structure for tea grading and screening, comprising a fixed frame (1), characterized in that: The top of the fixed frame (1) is provided with a hinge (2), a screen frame (3) is fixedly connected to one side of the hinge (2), a vibration isolation spring (4) is provided on the side wall of the screen frame (3), a vibration motor (5) is fixedly connected to one side of the screen frame (3), a screen mesh (6) is provided inside the screen frame (3), a feed hopper (7) is fixedly connected to the top of the screen frame (3), and a feeding assembly is provided on the top of the fixed frame (1). The feeding assembly includes a support block (9) and a rotating block (10). The bottom of the support block (9) is fixedly connected to the top of the fixed frame (1). The rotating block (10) is rotatably connected to the outer wall of the support block (9). An electric push rod (11) is fixedly connected to the top of the rotating block (10). A fixed block (8) is fixedly connected to the bottom of the screen frame (3). The fixed block (8) is rotatably connected to the output end of the electric push rod (11). A support frame (12) is fixedly connected inside the fixed frame (1). A screen (13) is slidably connected inside the support frame (12). A pushing assembly is provided on the top of the support frame (12).
2. The high-efficiency vibrating screen structure for tea grading and screening according to claim 1, characterized in that: The pushing assembly includes an electric push rod (15) and a push plate (16). The bottom of the electric push rod (15) is fixedly connected to the top of the support frame (12), and one side of the push plate (16) is fixedly connected to the output end of the electric push rod (15). The push plate (16) is in contact with the screen (13).
3. The high-efficiency vibrating screen structure for tea grading and screening according to claim 2, characterized in that: The top of the second screen (13) is fixedly connected to a handle (17), and the bottom of the support frame (12) is fixedly connected to a hopper (14).
4. The high-efficiency vibrating screen structure for tea grading and screening according to claim 3, characterized in that: The support frame (12) has a slot (18) inside, and the screen (13) has a support column (19) fixedly connected inside.
5. The high-efficiency vibrating screen structure for tea grading and screening according to claim 4, characterized in that: The outer wall of the support column (19) is slidably connected to a slider (21), which is slidably connected inside the slot (18).
6. The high-efficiency vibrating screen structure for tea grading and screening according to claim 5, characterized in that: A spring (20) is fitted on the outer wall of the support column (19), and the two ends of the spring (20) are fixedly connected to the inside of the inclined slider (21) and the screen (13), respectively.
7. The high-efficiency vibrating screen structure for tea grading and screening according to claim 1, characterized in that: The side wall of the sieve frame (3) is fixedly connected to a guide rod (22), which is slidably connected inside the fixed frame (1).