Tea screening device

The tea sieving device, which uses vibration and rotation mechanisms, achieves automatic sieving, solving the problems of cumbersome operation and high cost of existing equipment, improving production efficiency and equipment flexibility, and reducing the labor intensity of workers.

CN223811244UActive Publication Date: 2026-01-20YICHANG SHUANGLIANSI TEA CO LTD
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Patent Information

Application Number
CN202423188166.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2026-01-20
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

Existing tea sieving equipment requires frequent replacement of sieve plates or the use of multiple machines, resulting in cumbersome operation, low production efficiency and high cost. In addition, manual tea feeding is slow and labor intensity is high for workers.

Method used

A tea sieving device with a vibration mechanism and a drive mechanism is adopted. By quantitatively feeding tea leaves and adjusting the sieve holes by offsetting the sieve mesh, automatic sieving is achieved, reducing equipment replacement and manual feeding, and improving production efficiency and equipment flexibility.

Benefits of technology

It reduces the complexity of equipment operation, reduces equipment purchase costs, improves production efficiency and equipment flexibility, and reduces the labor intensity of workers.

✦ Generated by Eureka AI based on patent content.

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Abstract

The tea screening device comprises a machine box with an opening in the top, a vibrating mechanism is arranged at the bottom of the machine box, supporting rods and rolling rods are arranged on the two sides in the machine box in an up-down equidistant mode, and the two ends of the supporting rods and the two ends of the rolling rods are rotationally connected with the inner side wall of the machine box and penetrate to the outer side of the machine box. A screen connected with the two supporting rods from top in a winding mode is arranged between the two winding rods, the two ends of the screen are wound on the two winding rods, small screen holes, medium screen holes and large screen holes are sequentially formed in the screen from left to right, the aperture of the small screen holes is smaller than that of the medium screen holes, and the aperture of the large screen holes is smaller than that of the medium screen holes. According to the tea screening device and the discharging mechanism, manual tea feeding can be replaced, the two rolling rods are driven by the two driving mechanisms to rotate forwards and backwards correspondingly, the screen is made to deviate, the positions of the small screen holes, the middle screen holes and the large screen holes are adjusted, and the tea screening effect is improved. And one of the small sieve pores, the medium sieve pores and the large sieve pores is selected as the sieve pores to sieve the tea leaves.
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Description

TECHNICAL FIELD

[0001] The utility model relates to tea leaf screening technical field especially, relate to a kind of tea leaf screening device. BACKGROUND

[0002] Tea leaf is the leaf and bud of tea tree, can be made into beverage. Processing process mainly includes picking, withering, fixation, rolling, drying and other steps;And it is necessary to screen tea leaf in tea leaf processing process, first, to classify according to size, shape, ensure product specification uniformity;Second, remove chaff, impurities and the like, improve tea quality;Third, different grades of tea price is different, screening is conducive to the grading of tea, improve economic efficiency.

[0003] The existing tea leaf screening equipment mostly relies on screen to realize tea grading, however, in actual production, tea types are various, specifications are different, to meet the screening requirements of different types and sizes of tea, different aperture screen plates are often frequently switched, or multiple screening equipments with different aperture are used, the former, not only the procedure is complicated, but also the equipment needs to be stopped, which reduces the flexibility of equipment use and slows down the overall production rhythm;The latter, although multiple screening equipments can meet diversified needs, but the purchase cost is high, which greatly increases capital investment, in addition, when screening tea, workers need to continuously put tea into screening equipment in batches for screening, which leads to high labor intensity of workers and relatively slow manual feeding speed, and reduces production efficiency.

[0004] Therefore, a tea leaf screening device is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of tea leaf screening device to solve the above problems.

[0006] To achieve this purpose, the utility model adopts the following technical solutions:

[0007] A kind of tea leaf screening device, including the machine case with open top, the bottom of the machine case is equipped with vibration mechanism, the inside of the machine case is equipped with support rod and winding rod at both sides and equidistantly, the both ends of the support rod and the both ends of winding rod are rotatably connected with the inside wall of the machine case and penetrate to its outside, screen is provided between the two winding rods and is wound from the two support rods, the both ends of the screen are wound on the two winding rods, small screen hole, middle screen hole and large screen hole are sequentially provided on the screen from left to right, the aperture of the small screen hole is less than the aperture of the middle screen hole, the aperture of the middle screen hole is less than the aperture of the large screen hole, drive rotation mechanism is provided between the machine case and the winding rod, the right end of the top of the machine case is equipped with storage box, the bottom of the storage box is equipped with discharging mechanism.

[0008] Preferably, the vibration mechanism comprises a vibration motor, a support frame and a spring, the bottom of the case is provided with the vibration motor, the lower side of the case is provided with the support frame, and the four upper ends of the support frame and the bottom of the case are provided with the spring.

[0009] Preferably, the drive mechanism comprises a worm wheel, a worm, a bearing seat and a motor one, the front end of the winding rod is fixedly provided with the worm wheel, the worm wheel is drivingly connected with the worm, the two ends of the worm are rotatably connected with the bearing seat connected with the outer side of the case, and the outer side of the case is provided with the motor one with the output shaft coaxially connected with one end of the worm.

[0010] Preferably, the discharging mechanism comprises a discharging hopper, a transmission shaft, a rectangular plate and a motor two, the bottom of the storage box is provided with the discharging hopper, the rear inner wall of the discharging hopper is rotatably connected with the transmission shaft, the front side of the discharging hopper is provided with the motor two with the output shaft coaxially connected with the front end of the transmission shaft, and the outer surface of the transmission shaft is surrounded by a plurality of rectangular plates.

[0011] Preferably, the front and rear inner walls of the case are laterally provided with recessed frames, the front and rear ends of the screen are respectively extended to the inside of the two recessed frames, and the upper and lower inner walls of the recessed frames are laterally provided with a plurality of rollers abutting against the outer surface of the screen.

[0012] Preferably, the two sides of the two ends of the screen are provided with limiting rods, and the two ends of the limiting rods are connected with the inner side walls of the case.

[0013] Preferably, the inner side wall of the case is provided with a finished product hopper located below the right side of the screen and penetrating to the outer side of the case, and the lower left end of the front side of the case is provided with a side material hopper.

[0014] Compared with the prior art, the utility model has the advantages that the tea in the storage box can be quantitatively put on the screen by the discharging mechanism, manual feeding is replaced, the labor intensity of workers is reduced, the tea is continuously and uniformly put, the production efficiency is improved, the tea is screened according to the type and specification of the tea, the appropriate screen hole is selected to screen the tea, one winding rod winds the screen at one end and the other winding rod unwinds the screen at the other end, the screen is deviated, the positions of the small screen hole, the medium screen hole and the large screen hole are adjusted, one of the small screen hole, the medium screen hole and the large screen hole is selected as the screen hole to screen the tea, different screen plates and screens are not frequently switched, or different screening devices are not started, the operation is not complicated, the device is not stopped, the flexibility of the device is improved, the normal production process is maintained, the cost of purchasing the device and the device is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings further illustrate the utility model, but the contents in the drawings do not constitute any limitation on the utility model.

[0016] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0017] Figure 2 It is a three-dimensional structure bottom view of the utility model;

[0018] Figure 3 It is a three-dimensional structure sectional view of the utility model;

[0019] Figure 4 It is a three-dimensional structure schematic view of the utility model;

[0020] Figure 5 It is a three-dimensional structure schematic view of the utility model storage box and material releasing mechanism;

[0021] In the drawings: 1, case; 2, vibrating mechanism; 21, vibrating motor; 22, support frame; 23, spring; 31, support rod; 32, winding rod; 33, screen; 34, small screen hole; 35, middle screen hole; 36, large screen hole; 4, drive mechanism; 41, worm gear; 42, worm; 43, bearing seat; 44, motor one; 5, storage box; 6, material releasing mechanism; 61, material releasing hopper; 62, transmission shaft; 63, rectangular plate; 64, motor two; 71, concave frame; 72, roller; 8, limiting rod; 91, finished product hopper; 92, edge material hopper. DETAILED DESCRIPTION

[0022] The embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary only, and are merely intended to explain the present application, and are not to be understood as limiting the present application. In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are merely intended to facilitate the description of the present application and simplify the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, and the meaning of "several" is one or more, unless otherwise explicitly specified.

[0023] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection or can communicate with each other; it can be directly connected, or indirectly connected through an intermediate medium, or the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0024] In the present application, unless otherwise explicitly specified and limited, the "upper" or "lower" of the first feature to the second feature can include the direct contact of the first and second features, or can include the contact of the first and second features through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature to the second feature include the vertical height of the first feature above and oblique to the second feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The "below", "below" and "below" of the first feature to the second feature include the vertical height of the first feature below and oblique to the second feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0025] The disclosure below provides many different embodiments or examples for implementing different structures of the present application. In order to simplify the disclosure of the present application, the components and settings of specific examples are described below. Of course, they are only examples and the purpose is not to limit the present application. In addition, the present application can repeatedly refer to numbers and / or letters in different examples, and such repetition is for the purpose of simplification and clarity, which in itself does not indicate the relationship between the various embodiments and / or settings discussed. In addition, the present application provides examples of various specific processes and materials, but those skilled in the art can realize the application of other processes and / or the use of other materials.

[0026] In this embodiment, by Figures 1-5 A tea screening device is given, the utility model discloses a top is open machine case 1, be equipped with vibration mechanism 2 at the bottom of machine case 1, the both sides in the inside of machine case 1 are all equipped with support rod 31 and winding rod 32 equidistantly, both ends of support rod 31 and both ends of winding rod 32 are all with the inside wall of machine case 1 rotationally connected and penetrate to its outside, be equipped with the screen 33 of from the top around two support rods 31 between two winding rods 32, both ends of screen 33 are all wound on two winding rods 32, screen 33 is equipped with small mesh 34, middle mesh 35 and big mesh 36 from left to right in proper order, the aperture of small mesh 34 is less than the aperture of middle mesh 35, the aperture of middle mesh 35 is less than the aperture of big mesh 36, be equipped with drive mechanism 4 between machine case 1 and winding rod 32, the right end of the top of machine case 1 is equipped with storage box 5, be equipped with discharging mechanism 6 at the bottom of storage box 5.

[0027] In this embodiment, tea is poured into the storage box 5, at this time, the discharging mechanism 6 can continuously feed tea into the screen 33 to replace manual feeding, reducing the labor intensity of workers, and continuously maintaining uniform speed of feeding tea, improving production efficiency, at the same time, the vibration mechanism 2 drives the machine case 1 and the screen 33 to directional vibration, uses directional vibration to push tea to move left on the screen 33 to continuously screen tea, and before that, according to the type and specification of tea, select the appropriate mesh to screen tea, therefore, use two drive mechanisms 4 to drive two winding rods 32 to rotate forward and reverse respectively, let one winding rod 32 wind one end of the screen 33, and the other winding rod 32 unwind the other end of the screen 33, so that the screen 33 is offset, to adjust the position of the small mesh 34, the middle mesh 35 and the big mesh 36, and according to the need, select one of the small mesh 34, the middle mesh 35 and the big mesh 36 as the mesh to screen tea, therefore, there is no need to frequently switch different aperture screen plates and screen meshes, or enable multiple screening equipment with different aperture, reducing the complexity of operation, and without pausing the operation of the equipment, improving the flexibility of the equipment, maintaining the normal production process, also reducing the cost of purchasing equipment and the cost of the equipment;

[0028] The small mesh hole 34, the medium mesh hole 35 and the large mesh hole 36 are multiple in number, and tea can be screened in a large range.

[0029] Preferably, as another embodiment of the utility model, the vibration mechanism 2 includes a vibration motor 21, a support frame 22 and a spring 23, the bottom of the cabinet 1 is provided with the vibration motor 21, the lower side of the cabinet 1 is provided with the support frame 22, and the spring 23 is arranged between the four upper ends of the support frame 22 and the bottom of the cabinet 1.

[0030] In this embodiment, the vibration motor 21 is started, the vibration motor 21 generates centrifugal force through eccentric blocks at both ends of the motor, so that the cabinet 1 and the screen mesh 33 generate directional vibration; the directional vibration generated by the vibration motor 21 pushes the tea to move left on the screen mesh 33, and the tea is continuously thrown up and falls down under the action of vibration on the screen mesh 33, so that the screen mesh 33 screens the tea, and the spring 23 can play a role of buffering and shock absorption in this process, when the vibration force generated by the vibration motor 21 is transmitted to the cabinet 1, the spring 23 can absorb and reduce part of the vibration force, to prevent the vibration force from being directly transmitted to the support structure of the equipment, i.e. the support frame 22.

[0031] Preferably, as another embodiment of the utility model, the drive mechanism 4 includes a worm wheel 41, a worm 42, a bearing seat 43 and a motor one 44, the front end of the winding rod 32 is fixedly provided with the worm wheel 41, the worm wheel 41 is drivingly connected with the worm 42, both ends of the worm 42 are rotatably connected with the bearing seat 43 connected with the outer side of the cabinet 1, and the outer side of the cabinet 1 is provided with the motor one 44 with an output shaft coaxially connected with one end of the worm 42.

[0032] In this embodiment, the motor one 44 is started, the output shaft of the motor one 44 drives the worm 42 to rotate, and then the worm 42 meshes with the worm wheel 41 on the winding rod 32, and then drives the worm wheel 41 and the winding rod 32 to rotate, so that the winding rod 32 can be driven to rotate forward or reverse with the forward rotation and reverse rotation of the motor one 44, at this time, one end of the screen mesh 33 can be wound or unwound, and the bearing seat 43 can provide support for the worm 42.

[0033] Preferably, as another embodiment of the utility model, the discharging mechanism 6 includes a discharging hopper 61, a transmission shaft 62, a rectangular plate 63 and a motor two 64, the bottom of the storage box 5 is provided with the discharging hopper 61, the rear inner wall of the discharging hopper 61 is rotatably connected with the transmission shaft 62, the front side of the discharging hopper 61 is provided with the motor two 64 with an output shaft coaxially connected with the front end of the transmission shaft 62, and the outer surface of the transmission shaft 62 is surrounded by a plurality of rectangular plates 63.

[0034] In the embodiment, the tea stored in the storage box 5 can enter the discharging hopper 61, at this time, the rectangular plates 63 can block the tea to avoid the tea flowing out of the discharging hopper 61, when it is needed to discharge the tea to the screen 33, the motor 64 is started, the output shaft drives the transmission shaft 62 to rotate the multiple rectangular plates 63 on the transmission shaft 62, and the rotating rectangular plates 63 can continuously convey the tea downward to replace the manual discharging, the labor intensity is low, and the high efficient discharging speed can be maintained to improve the production efficiency.

[0035] Preferably, as another embodiment of the utility model, the front and rear inner walls of the cabinet 1 are horizontally provided with recessed frames 71, the front and rear ends of the screen 33 extend into the interiors of the two recessed frames 71 respectively, the upper and lower inner walls of the recessed frames 71 are horizontally provided with multiple rollers 72 abutting against the outer surface of the screen 33.

[0036] In the embodiment, the upper and lower rollers 72 in the recessed frames 71 can support the screen 33, and can reduce the friction of the screen 33 to move, so that the screen 33 can move more stably and smoothly.

[0037] Preferably, as another embodiment of the utility model, the screen 33 is provided with limiting rods 8 on both sides of the two ends, and the two ends of the limiting rods 8 are connected with the inner side walls of the cabinet 1.

[0038] In the embodiment, the limiting rods 8 on both sides of the ends of the screen 33 can limit the screen 33, so that when the ends of the screen 33 are wound or unwound, the section of the screen 33 between the limiting rods 8 and the supporting rods 31 will not be deviated.

[0039] Preferably, as another embodiment of the utility model, the inner side wall of the cabinet 1 is provided with a finished product hopper 91 located below the right side of the screen 33 and penetrating to the outside of the cabinet 1, the tea screened by the screen 33, that is, the finished tea, can be conveyed to the left and finally fall into the finished product hopper 91 and discharged, and the lower left end of the front side of the cabinet 1 is provided with a side material hopper 92, the tea screened by the screen 33, that is, the side material tea, can fall into the cabinet 1 and be conveyed to the left, and finally discharged from the side material hopper 92.

[0040] Working principle: pour tea into the storage box 5, when the tea is needed to be put into the screen 33, start the motor 64, drive the transmission shaft 62 and multiple rectangular plates 63 to rotate, and the rotating rectangular plates 63 can continuously convey the tea downwards to replace manual feeding, the labor intensity is low, and the high feeding speed can be maintained, the production efficiency is improved, meanwhile, the vibration motor 21 is started to drive the machine box 1 and the screen 33 to directional vibration, the directional vibration pushes the tea to move left on the screen 33, and the tea is continuously thrown up and falls down on the screen 33 under the action of vibration, so that the screen 33 screens the tea, and before that, according to the types and specifications of the tea, the appropriate screen hole is selected to screen the tea, therefore, the two drive mechanisms 4 are used to drive two winding rods 32 to rotate forward and reverse respectively, one winding rod 32 winds one end of the screen 33, and the other winding rod 32 unwinds the other end of the screen 33, so that the screen 33 is offset to adjust the positions of the small screen hole 34, the medium screen hole 35 and the large screen hole 36, and according to the needs, one of the small screen hole 34, the medium screen hole 35 and the large screen hole 36 is selected as the screen hole to screen the tea, namely, the motor 44 is started to drive the worm 42 to rotate, the worm 42 is engaged with the worm gear 41 on the winding rod 32, and then drives the worm gear 41 and the winding rod 32 to rotate, therefore, with the forward and reverse rotation of the motor 44, the winding rod 32 can rotate forward or reverse, therefore, it is not necessary to frequently switch different aperture screen plates and screen meshes, or to use multiple screening devices with different aperture, the operation complexity is reduced, the device flexibility is improved, the normal production process is maintained, and the cost of purchasing devices and the devices is reduced.

[0041] In the description of the present specification, the description of the terms "embodiment", "one embodiment", "certain embodiments", "illustrative embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the described embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0042] The technical principle of the present application is described above in combination with specific embodiments. These descriptions are only for explaining the principle of the present application, and cannot be interpreted as limiting the protection scope of the present application in any way. Based on the explanation herein, the skilled in the art can think of other specific embodiments of the present application without creative labor, and these equivalent variants or replacements are included in the scope defined by the claims of the present application.

Claims

1. A tea leaf sieving apparatus characterised in that: The utility model provides a kind of material screening machine, including the open top cabinet (1), the bottom of the cabinet (1) is equipped with vibration mechanism (2), the inside of the cabinet (1) is equipped with support rod (31) and winding rod (32) in both sides equidistantly, the both ends of the support rod (31) and winding rod (32) are rotatably connected with the inside wall of the cabinet (1) and penetrate to its outside, two the screen cloth (33) of winding between the winding rod (32) is wound from two support rods (31) from top, the both ends of the screen cloth (33) are wound on two winding rods (32), the screen cloth (33) is equipped with small mesh (34), middle mesh (35) and large mesh (36) in order from left to right, the aperture of the small mesh (34) is less than the aperture of the middle mesh (35), the aperture of the middle mesh (35) is less than the aperture of the large mesh (36), the cabinet (1) and the winding rod (32) are equipped with driving mechanism (4), the right end of the top of the cabinet (1) is equipped with storage box (5), the bottom of the storage box (5) is equipped with discharging mechanism (6).

2. A tea leaf screening apparatus according to claim 1, wherein The vibration mechanism (2) includes a vibration motor (21), a support frame (22) and a spring (23), the bottom of the cabinet (1) is provided with a vibration motor (21), the bottom of the cabinet (1) is provided with a support frame (22), the four upper ends of the support frame (22) and the bottom of the cabinet (1) are provided with a spring (23).

3. A tea leaf screening apparatus as claimed in claim 1, wherein, The driving mechanism (4) includes a worm gear (41), a worm (42), a bearing seat (43) and a motor (44), the front end of the winding rod (32) is fixedly sleeved with a worm gear (41), the worm gear (41) is drivingly connected with a worm (42), the both ends of the worm (42) are rotatably connected with bearing seats (43) connected with the outside of the cabinet (1), the outside of the cabinet (1) is provided with a motor (44) coaxially connected with one end of the worm (42).

4. A tea leaf screening apparatus as claimed in claim 1, wherein, The discharging mechanism (6) includes a discharging hopper (61), a transmission shaft (62), a rectangular plate (63) and a motor (64), the bottom of the storage box (5) is provided with a discharging hopper (61), the rear inner wall of the discharging hopper (61) is rotatably connected with a transmission shaft (62), the front side of the discharging hopper (61) is provided with a motor (64) coaxially connected with the front end of the transmission shaft (62), the outer surface of the transmission shaft (62) is surrounded by a plurality of rectangular plates (63).

5. A tea leaf screening apparatus as claimed in claim 1, wherein, The front and rear inner walls of the cabinet (1) are transversely provided with concave frames (71), the front and rear ends of the screen cloth (33) extend into the interiors of the two concave frames (71) respectively, the upper and lower inner walls of the concave frames (71) are transversely provided with a plurality of rollers (72) abutting against the outer surfaces of the screen cloth (33).

6. A tea leaf screening apparatus as claimed in claim 1, wherein, The both sides of the both ends of the screen cloth (33) are provided with limiting rods (8), the both ends of the limiting rods (8) are connected with the inner walls of the cabinet (1).

7. A tea leaf screening apparatus as claimed in claim 1, wherein, The inner side wall of the machine case (1) is provided with a finished product hopper (91) located at the lower right of the screen (33) and penetrating to the outside of the machine case (1), and the lower left end of the front side of the machine case (1) is provided with a side material hopper (92).