Tea screening and grading equipment
The tea sorting and grading equipment driven by an electric motor uses a turntable and crank to drive the connecting rod slider to move, and combines gears and racks to fix the grading box, which solves the problems of tea damage and spillage, and achieves efficient sorting and grading.
Patent Information
- Application Number
- CN202422825893.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-20
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-11-20
AI Technical Summary
The scrapers in existing tea sorting machines can damage the tea leaves, increasing losses and costs. In addition, the drawers are not properly secured, causing tea leaves to spill out.
The system uses a combination of components such as a motor, turntable, crank, connecting rod, support box, slider, and limit rod to achieve horizontal reciprocating motion of the tea leaves. The grading box is fixed by components such as knobs, gears, racks, and springs to prevent it from detaching from the loading box.
To reduce tea loss, ensure the stability of the screening and grading process, prevent tea from scattering, and improve equipment efficiency and tea quality.
Smart Images

Figure CN223505629U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of tea screening and grading equipment, and in particular to a tea screening and grading equipment. Background Technology
[0002] Tea is a widely consumed beverage ingredient, and its quality directly affects the taste and market value of the final product. In the tea processing, selection and grading are crucial steps that ensure the uniformity and high quality of the tea leaves.
[0003] Chinese patent document CN220759973U discloses a tea sorting device, including a sliding groove on the front of the housing, a threaded screw with a threaded mother plate slidingly fitted on the outer surface of the screw, and a shaped scraper fixed inside the housing on one side of the thread mother plate. A sieving plate is fixed to the inner wall of the housing, and a collection drawer is slidably inserted into one end of the housing away from the sieving plate. This invention, by installing a housing, collection drawer, baffle, sieving plate, and vibrating motor, prevents tea leaves from falling to the ground during the sorting process or when changing containers, and achieves classified sorting. The installation of the motor, screw, thread mother plate, and shaped scraper ensures that all tea leaves on the surface of the sieving plate enter the corresponding collection drawer, preventing any leakage.
[0004] The existing technology has the following problems:
[0005] Although the tea sorting machine mentioned above can sort and grade tea leaves using scrapers, the scrapers can damage the tea leaves, increasing losses and costs, and are not conducive to sorting and grading tea leaves. In addition, the lack of a secure drawer can cause the tea leaves to slide out of the box during the sorting process, resulting in the tea leaves inside spilling out. Utility Model Content
[0006] This invention provides a tea screening and grading device to solve the problems mentioned in the background art.
[0007] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:
[0008] A tea sorting and grading device includes a box, a feeding mechanism is movably connected to the middle of the inner side of the box, a fixing mechanism is movably connected to the middle of the feeding mechanism, and a driving mechanism is fixedly connected to the left side of the box.
[0009] The feeding mechanism includes a loading box, three grading boxes are slidably connected to the inner side of the loading box, a feeding port is fixedly connected to the upper part of the loading box, a feeding plate is rotatably connected to the upper surface of the feeding port, a buckle is fixedly connected to the middle of the left side of the feeding plate, a clamping plate is fixedly connected to the middle of the left side of the feeding port, the buckle is movably engaged with the inner side of the clamping plate, and the loading box is slidably connected to the middle of the inner side of the box body.
[0010] Preferably, the drive mechanism includes a housing and a support box. The housing is fixedly connected to the left side of the box body. A motor is fixedly connected to the inside of the housing. A turntable is fixedly connected to the output end of the motor. A crank is rotatably connected to the edge of the turntable. A connecting rod is rotatably connected to the right side of the crank. The outer periphery of the connecting rod is slidably connected to the middle of the support box. A slider is fixedly connected to the right end of the connecting rod. Limit rods are slidably connected to both the front and rear sides of the slider. The limit rods are fixedly connected to the inside of the support box. The upper surface of the slider is fixedly connected to the lower surface of the cargo box.
[0011] Preferably, the fixing mechanism includes a knob, the outer periphery of which is rotatably connected to the middle of the front side of the grading box, a gear is fixedly connected to the outer periphery of the knob, two vertically distributed racks are slidably connected to the front side of the grading box, the gear and the racks mesh with each other, the side of the rack away from the gear is slidably connected to the inside of the storage box, and a spring is fixedly connected between the rear side of the gear and the grading box.
[0012] Preferably, the width of the screening gap at the bottom of the top two grading boxes decreases from top to bottom, and there is no screening gap at the bottom of the bottom of the lower grading box.
[0013] Preferably, the upper surface of the support box is slidably connected to two left and right distributed sliding plates, and four square-distributed compression springs are fixedly connected between the sliding plates and the box body.
[0014] Preferably, a door panel is rotatably connected to the front of the inner side of the housing, and four square-distributed anti-slip pads are fixedly connected to the lower surface of both the chassis and the housing.
[0015] Preferably, the lower part of the feed inlet is inverted trapezoidal.
[0016] Due to the adoption of the above technical solution, the technological progress achieved by this utility model compared to the prior art is as follows:
[0017] 1. This utility model provides a tea screening and grading device. Through the cooperation of a motor, turntable, crank, connecting rod, support box, slider, limit rod, carrying box and grading box, the motor drives the turntable to rotate, thereby driving the crank to move, causing the connecting rod to reciprocate, thereby driving the slider and carrying box to reciprocate. The reciprocating motion of the carrying box allows the tea inside the grading box to be screened and graded, realizing horizontal reciprocating motion to screen and grade the tea inside, reducing tea loss.
[0018] 2. This utility model provides a tea screening and grading device. Through the cooperation of a knob, rack, gear, spring, carrying box and grading box, the spring provides power to the gear, so that the gear rotates and drives the rack to engage in the carrying box, thereby fixing the grading box and preventing the grading box from detaching from the carrying box during screening and grading, which would cause the tea to scatter. Attached Figure Description
[0019] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0020] Figure 2 This is a cross-sectional view of the drive mechanism of this utility model.
[0021] Figure 3 This is a schematic diagram of the feeding mechanism of this utility model;
[0022] Figure 4 This is a schematic diagram of the fixing mechanism structure of this utility model;
[0023] Figure 5 This is a cross-sectional view of the grading box of this utility model.
[0024] In the diagram: 1. Housing; 2. Drive mechanism; 21. Chassis; 22. Motor; 23. Turntable; 24. Crank; 25. Connecting rod; 26. Support box; 27. Slider; 28. Limiting rod; 3. Feeding mechanism; 31. Loading box; 32. Feed plate; 33. Feed inlet; 34. Buckle; 35. Card plate; 36. Grading box; 4. Fixing mechanism; 41. Knob; 42. Rack; 43. Gear; 44. Spring; 5. Anti-slip pad; 6. Compression spring; 7. Slide plate; 8. Door panel. Detailed Implementation
[0025] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0026] like Figure 1 - Figure 5As shown, a tea screening and grading device includes a box 1, a feeding mechanism 3 is movably connected to the middle of the inner side of the box 1, a fixing mechanism 4 is movably connected to the middle of the feeding mechanism 3, and a drive mechanism 2 is fixedly connected to the left side of the box 1.
[0027] The feeding mechanism 3 includes a loading box 31, three grading boxes 36 are slidably connected to the inner side of the loading box 31, a feeding port 33 is fixedly connected to the upper part of the loading box 31, a feeding plate 32 is rotatably connected to the upper surface of the feeding port 33, a buckle 34 is fixedly connected to the middle of the left side of the feeding plate 32, a clamping plate 35 is fixedly connected to the middle of the left side of the feeding port 33, the buckle 34 is movably engaged with the inner side of the clamping plate 35, and the loading box 31 is slidably connected to the middle of the inner side of the box body 1.
[0028] It should be noted that the box 1 is used to protect the internal grading equipment, the container 31 is used to place the grading box 36, the three grading boxes 36 are used to screen and grade the tea, the feed port 33 is used to replenish the ungraded tea, the feed plate 32 is used to prevent dust and other foreign objects from entering the grading box 36 during the screening and grading process, and the clamping plate 35 is used to fix the feed plate 32 in conjunction with the buckle 34.
[0029] like Figure 2 and Figure 3 As shown, the drive mechanism 2 includes a housing 21 and a support box 26. The housing 21 is fixedly connected to the left side of the box 1. A motor 22 is fixedly connected to the inside of the housing 21. A turntable 23 is fixedly connected to the output end of the motor 22. A crank 24 is rotatably connected to the edge of the turntable 23. A connecting rod 25 is rotatably connected to the right side of the crank 24. The outer periphery of the connecting rod 25 is slidably connected to the middle of the support box 26. A slider 27 is fixedly connected to the right end of the connecting rod 25. Limiting rods 28 are slidably connected to both the front and rear sides of the slider 27. The limiting rods 28 are fixedly connected to the inside of the support box 26. The upper surface of the slider 27 is fixedly connected to the lower surface of the cargo box 31.
[0030] It should be noted that the housing 21 is used to protect the motor 22, the motor 22 is used to drive the turntable 23 to rotate, the crank 24 is used to connect the connecting rod 25 and the turntable 23, the connecting rod 25 is used to drive the slider 27 to slide inside the support box 26, and the limiting rod 28 is used to limit the movement trajectory of the slider 27 to ensure that the upper cargo box 31 can slide stably on the upper surface of the support box 26.
[0031] like Figure 4 and Figure 5As shown, the fixing mechanism 4 includes a knob 41. The outer periphery of the knob 41 is rotatably connected to the middle of the front side of the grading box 36. A gear 43 is fixedly connected to the outer periphery of the knob 41. Two racks 42 distributed vertically are slidably connected to the front side of the grading box 36. The gear 43 and the rack 42 mesh with each other. The side of the rack 42 away from the gear 43 is slidably connected to the inside of the storage box 31. A spring-loaded spring 44 is fixedly connected between the rear side of the gear 43 and the grading box 36.
[0032] It should be noted that the knob 41 is used to facilitate the rotation of the gear 43 and to facilitate the removal of the grading box 36. The gear 43 is used to drive the rack 42 to move, so that the rack 42 is detached from the container box 31. The spring 44 is used to provide power so that the gear 43 can fix the rack 42, thereby fixing the grading box 36.
[0033] like Figure 4 As shown, the screening gap width at the bottom of the two top grading boxes 36 decreases from top to bottom, while the bottom of the lower grading box 36 has no screening gap.
[0034] It should be noted that the screening gap is largest in the top grading box 36, smallest in the middle grading box 36, and sealed at the bottom of the bottom grading box 36.
[0035] like Figure 1 As shown, two left and right sliding plates 7 are slidably connected to the upper surface of the support box 26, and four square-shaped compression springs 6 are fixedly connected between the sliding plates 7 and the box body 1.
[0036] It should be noted that the sliding plate 7, together with the compression spring 6, is used to cushion the cargo box 31 and prevent the cargo box 31 from directly impacting the box body 1, which could lead to equipment damage.
[0037] like Figure 1 As shown, a door panel 8 is rotatably connected to the front of the inner side of the housing 1, and four anti-slip pads 5 in a square distribution are fixedly connected to the lower surface of the chassis 21 and the housing 1.
[0038] It should be noted that the door panel 8 is used to protect the internal equipment, and the anti-slip pads 5 are used to prevent the equipment from slipping.
[0039] like Figure 4 As shown, the lower part of the feed inlet 33 is inverted trapezoidal.
[0040] It should be noted that the lower part of the feed inlet 33 is inverted trapezoidal to facilitate the tea leaves falling into the grading box 36 below.
[0041] The working principle of this utility model is as follows: First, the feed plate 32 is opened by prying open the buckle 34, and the tea leaves to be screened and graded are poured into the grading box 36 through the feed inlet 33. Then, the buckle 34 is locked in the clamping plate 35, and the feed plate 32 is closed. The motor 22 is started to drive the turntable 23 to rotate, which in turn drives the crank 24 to move, causing the connecting rod 25 to reciprocate. This, in turn, drives the slider 27 and the carrying box 31 to reciprocate. The reciprocating motion of the carrying box 31 allows the tea leaves inside the grading box 36 to be screened and graded. After the screening and grading are completed, the door plate 8 is opened, and the knob 41 is rotated to drive the gear 43 to move the rack 42 away from the carrying box 31. Then, the grading box 36 is removed from the carrying box 31.
[0042] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A tea screening and grading device, comprising a housing (1), characterized in that: The middle of the inner side of the box (1) is movably connected to a feeding mechanism (3), the middle of the feeding mechanism (3) is movably connected to a fixing mechanism (4), and the left side of the box (1) is fixedly connected to a driving mechanism (2). The feeding mechanism (3) includes a loading box (31), three grading boxes (36) are slidably connected to the inner side of the loading box (31), a feeding port (33) is fixedly connected to the upper part of the loading box (31), a feeding plate (32) is rotatably connected to the upper surface of the feeding port (33), a buckle (34) is fixedly connected to the middle of the left side of the feeding plate (32), a card plate (35) is fixedly connected to the middle of the left side of the feeding port (33), the buckle (34) is movably engaged with the inner side of the card plate (35), and the loading box (31) is slidably connected to the middle of the inner side of the box body (1).
2. The tea screening and grading equipment according to claim 1, characterized in that: The drive mechanism (2) includes a housing (21) and a support box (26). The housing (21) is fixedly connected to the left side of the box body (1). A motor (22) is fixedly connected to the inner side of the housing (21). A turntable (23) is fixedly connected to the output end of the motor (22). A crank (24) is rotatably connected to the edge of the turntable (23). A connecting rod (25) is rotatably connected to the right side of the crank (24). The outer periphery of the connecting rod (25) is slidably connected to the middle part of the support box (26). A slider (27) is fixedly connected to the right end of the connecting rod (25). Limit rods (28) are slidably connected to both the front and rear sides of the slider (27). The limit rods (28) are fixedly connected to the inside of the support box (26). The upper surface of the slider (27) is fixedly connected to the lower surface of the cargo box (31).
3. The tea screening and grading equipment according to claim 1, characterized in that: The fixing mechanism (4) includes a knob (41), the outer periphery of which is rotatably connected to the middle of the front side of the grading box (36). A gear (43) is fixedly connected to the outer periphery of the knob (41). Two racks (42) distributed vertically are slidably connected to the front side of the grading box (36). The gear (43) and the rack (42) mesh with each other. The side of the rack (42) away from the gear (43) is slidably connected to the inside of the storage box (31). A spring-loaded spring (44) is fixedly connected between the rear side of the gear (43) and the grading box (36).
4. The tea screening and grading equipment according to claim 1, characterized in that: The screening gap width at the bottom of the top two grading boxes (36) decreases from top to bottom, while the bottom of the lower grading box (36) has no screening gap.
5. The tea screening and grading equipment according to claim 2, characterized in that: The upper surface of the support box (26) is slidably connected to two left and right distributed sliding plates (7), and four square-distributed compression springs (6) are fixedly connected between the sliding plates (7) and the box body (1).
6. The tea screening and grading equipment according to claim 2, characterized in that: The front of the inner side of the box (1) is rotatably connected to a door panel (8), and the lower surfaces of the chassis (21) and the box (1) are fixedly connected to four anti-slip pads (5) arranged in a square.
7. The tea screening and grading equipment according to claim 1, characterized in that: The lower part of the feed inlet (33) is inverted trapezoidal.
Citation Information
Patent Citations
Tea screening equipment
CN220759973U