Screening device for processing single tea

Abstract

The utility model relates to the technical field of single-slave tea processing, and discloses a screening device for single-slave tea processing, which comprises a supporting seat, a first screening mechanism is arranged on the upper surface of the supporting seat, and a rotating hopper is rotatably connected in the supporting seat and located on the right side of the first screening mechanism in a penetrating manner; a second screening mechanism is arranged at the upper end of the rotating hopper, and a rotating mechanism for driving the rotating hopper to rotate is arranged on the upper surface of the supporting base and located between the first screening mechanism and the rotating hopper; the first screening mechanism is arranged, the fan in the first screening mechanism blows air into the feeding hopper, airflow impacts single tea to blow out dust and impurities mixed in the single tea through a first screening plate, and a screening barrel in the second screening mechanism screens the single tea again through a second screening plate; a motor in the rotating mechanism drives a rotating hopper to rotate by a certain angle, different screening barrels are driven to directly face a discharging pipe, single tea in the previous screening barrel can be conveniently taken out, and long-time shutdown and waiting are avoided.

Description

Technical Field

[0001] This utility model relates to the field of single-origin tea processing technology, specifically a screening device for single-origin tea processing. Background Technology

[0002] Dancong tea is a traditional famous tea. It is a semi-fermented oolong tea that falls between fully fermented black tea and unfermented green tea. It embodies the most refined tea-making process of oolong tea. Well-made Dancong tea leaves contain a lot of broken leaves or tea dust. In order to improve the quality of Dancong tea leaves, it is necessary to screen out the broken leaves.

[0003] In actual use, existing screening equipment uses a fan to blow air down the falling Dancong tea leaves, separating the tea leaves from the broken pieces and discharging them through different outlets. However, when the falling speed of the Dancong tea leaves is relatively fast, some of the tea leaves do not have enough time to be separated from the broken pieces by the fan, resulting in a small amount of broken pieces still remaining inside the screened Dancong tea leaves. This leads to the problem of poor broken piece screening effect of the broken piece screening device used for Dancong tea processing.

[0004] Chinese patent discloses a dust screening device for processing Dancong tea (authorization announcement number CN218167810U). This patented technology uses a combination of a fan and a screening screen to blow the dust trapped inside the Dancong tea leaves toward the screening screen. Most of the dust passes through the screening screen and is discharged from the other end of the screening air duct, while the Dancong tea leaves and a small amount of dust remain in the screening box. The extension end of the electric telescopic rod strikes the screening box, causing it to vibrate and shake the dust out. Through two screenings of the Dancong tea leaves, the dust can be cleaned, improving the dust screening effect of the dust screening device for processing Dancong tea.

[0005] However, it has certain drawbacks: after prolonged use, the sieving box will be filled with Dancong tea, and a large amount of impurities will easily accumulate in the mesh, causing blockage. This requires removing the Dancong tea and cleaning the sieving box, which requires a long downtime and prevents the screening from continuing, resulting in a discontinuous production process and a waste of a lot of time. Utility Model Content

[0006] The purpose of this invention is to provide a screening device for processing single-origin tea, so as to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] A screening device for processing single-origin tea includes a support base, a first screening mechanism is provided on the upper surface of the support base, a rotating bucket is rotatably connected through the right side of the first screening mechanism inside the support base, a second screening mechanism is provided at the upper end of the rotating bucket, and a rotating mechanism for driving the rotating bucket to rotate is provided on the upper surface of the support base between the first screening mechanism and the rotating bucket.

[0009] As a further embodiment of this utility model: the first screening mechanism includes an auger conveyor, a support plate is fixedly connected to the middle position of the outer side of the auger conveyor, and a discharge pipe is connected through the right end of the lower surface of the auger conveyor. A feed hopper is connected through the left end of the upper surface of the auger conveyor, a fan is fixedly connected to the front surface of the feed hopper, and a first screen plate is connected through the rear surface of the feed hopper.

[0010] As a further embodiment of this utility model: the second screening mechanism includes a fixed plate, a vibration motor is fixedly connected to the center of the upper surface of the fixed plate, and multiple screening barrels are threadedly connected through the inside of the fixed plate outside the vibration motor. A second screen plate is threadedly connected through the lower surface of the screening barrels. Multiple first fixing blocks are uniformly fixedly connected to the outer surface of the fixed plate. A spring is fixedly connected to the lower surface of the first fixing block, and a second fixing block is fixedly connected to the lower end of the spring.

[0011] The rotating mechanism includes a connecting plate, a motor is fixedly connected to the upper surface of the connecting plate, a connecting rod is fixedly connected to the output end of the motor, a first gear is fixedly connected to the lower end of the connecting rod, and a second gear is meshed with the right side of the first gear.

[0012] As a further embodiment of this utility model: the lower end of the support plate is fixedly connected to the upper surface of the support base, the fan is connected to the interior of the feed hopper, and the fan is directly opposite the first screen plate.

[0013] As a further embodiment of this utility model: the lower end of the screening bucket is located inside the rotating bucket, and one end of the second fixing block is fixed to the outer surface of the rotating bucket.

[0014] As a further embodiment of this utility model: the lower end of the connecting plate is fixedly connected to the upper surface of the support base, and the second gear is fixedly connected to the outside of the rotating bucket.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. This utility model has a first screening mechanism. The fan in the first screening mechanism blows air into the feed hopper. The airflow impacts the tea and blows out the fragments and impurities mixed in through the first screen plate, thus achieving the screening of the tea.

[0017] 2. This utility model is equipped with a second screening mechanism and a rotating mechanism. The screening barrel in the second screening mechanism screens the tea again through the second screen plate, which improves the screening efficiency. The motor in the rotating mechanism drives the rotating bucket to rotate at a certain angle, so that different screening barrels are aligned with the discharge pipe, which makes it easy to take out the tea from the previous screening barrel and to clean the second screen plate in the previous screening barrel, thus avoiding long downtime waiting. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of a screening device for single-origin tea processing.

[0019] Figure 2 This is a schematic diagram of the first screening mechanism in a single-origin tea processing screening device.

[0020] Figure 3 This is a schematic diagram of the structure of the second screening mechanism in a single-origin tea processing screening device;

[0021] Figure 4 A cross-sectional view of a screening barrel in a single-piece tea processing screening device;

[0022] Figure 5 This is a schematic diagram of the rotating mechanism in a single-origin tea processing screening device.

[0023] In the diagram: 1. Support base; 2. First screening mechanism; 3. Screw conveyor; 4. Support plate; 5. Discharge pipe; 6. Feed hopper; 7. Fan; 8. First screen plate; 9. Rotating bucket; 10. Second screening mechanism; 11. Fixed plate; 12. Vibrating motor; 13. Screening barrel; 14. Second screen plate; 15. First fixed block; 16. Spring; 17. Second fixed block; 18. Rotating mechanism; 19. Connecting plate; 20. Motor; 21. Connecting rod; 22. First gear; 23. Second gear. Detailed Implementation

[0024] Please see Figure 1 and Figure 2 In this embodiment of the utility model, a screening device for processing single-origin tea includes a support base 1. A first screening mechanism 2 is provided on the upper surface of the support base 1. The first screening mechanism 2 includes an auger conveyor 3. A support plate 4 is fixedly connected to the middle position of the outer side of the auger conveyor 3. The lower end of the support plate 4 is fixedly connected to the upper surface of the support base 1. A discharge pipe 5 is connected through the right end of the lower surface of the auger conveyor 3. A feed hopper 6 is connected through the left end of the upper surface of the auger conveyor 3. A fan 7 is fixedly connected to the front surface of the feed hopper 6. The fan 7 is connected to the interior of the feed hopper 6. A first screen plate 8 is connected through the rear surface of the feed hopper 6. The fan 7 is directly opposite the first screen plate 8.

[0025] Screw conveyor 3 is used to transport single tea leaves from left to right;

[0026] Feed hopper 6 is used for feeding tea alone;

[0027] The sieve holes of the first sieve plate 8 are smaller than those of tea leaves but larger than those of broken impurities.

[0028] The blower 7 is used to blow air into the feed hopper 6. The airflow impacts the Dancong tea, causing the broken impurities to be discharged through the first screen plate 8, thereby achieving the screening of Dancong tea.

[0029] exist Figures 1-5 In the middle: The inside of the support base 1 is rotatably connected to the right side of the first screening mechanism 2, and a rotating bucket 9 is rotatably connected. The upper end of the rotating bucket 9 is provided with a second screening mechanism 10. The second screening mechanism 10 includes a fixed plate 11. A vibration motor 12 is fixedly connected to the center of the upper surface of the fixed plate 11, and multiple screening barrels 13 are threadedly connected to the inside of the fixed plate 11 outside the vibration motor 12. The lower end of the screening barrel 13 is located inside the rotating bucket 9. A second screen plate 14 is rotatably connected to the lower surface of the screening barrel 13. Multiple first fixing blocks 15 are uniformly fixed to the outer surface of the fixed plate 11. A spring 16 is fixed to the lower surface of the first fixing block 15. A second fixing block 17 is fixed to the lower end of the spring 16. One end of the second fixing block 17 is fixed to the outer surface of the rotating bucket 9.

[0030] A rotating mechanism 18 for driving the rotating bucket 9 to rotate is provided on the upper surface of the support base 1 between the first screening mechanism 2 and the rotating bucket 9. The rotating mechanism 18 includes a connecting plate 19. The lower end of the connecting plate 19 is fixedly connected to the upper surface of the support base 1. A motor 20 is fixedly connected to the upper surface of the connecting plate 19. A connecting rod 21 is fixedly connected to the output end of the motor 20. A first gear 22 is fixedly connected to the lower end of the connecting rod 21. A second gear 23 is meshed with the right side of the first gear 22. The second gear 23 is fixedly connected to the outside of the rotating bucket 9.

[0031] The discharge pipe 5 is directly opposite the leftmost screening tank 13;

[0032] After being screened by the first screening mechanism 2, the Dancong tea falls into the screening barrel 13 and is screened again by the second screening plate 14, so that the unscreened fragments and impurities are discharged through the second screening plate.

[0033] The vibration motor 12 and the spring 16 work together to drive the fixed plate 11 to vibrate, which speeds up the passage of fragments and impurities through the second screen plate 14 and improves the screening efficiency.

[0034] Rotating the sieving barrel 13 counterclockwise allows it to be disassembled, making it easier to remove the single-origin tea and to clean the second sieve plate 14;

[0035] The motor 20 is equipped with a brake, meaning that its motor shaft cannot rotate after power is cut off; the motor 20 is preferably a servo motor or a stepper motor, which can rotate a fixed angle each time it is started.

[0036] The cooperation of the first gear 22 and the second gear 23 can drive the rotating bucket 9 to rotate at a certain angle, so that the other screening bucket 13 is directly opposite the discharge pipe 5, which makes it easy to take out the single tea from the previous screening bucket 13 and to clean the second screen plate 14 in the previous screening bucket 13, thus avoiding long-term downtime.

[0037] The working principle of this utility model is as follows: When in use, Dancong tea is put into the feed hopper 6, and the blower 7 blows air onto the Dancong tea, causing the mixed fragments and impurities to be discharged through the first screen plate 8; then, the auger conveyor 3 outputs the Dancong tea through the discharge pipe 5, and the Dancong tea falls into the leftmost screening bucket 13, where the unscreened fragments and impurities are discharged through the second screen plate 14; at the same time, the vibrating motor 12 drives the fixed plate 11 to vibrate, causing the Dancong tea in the screening bucket 13 to bounce, thereby allowing the fragments and impurities to pass through the second screen plate 14 quickly; when the Dancong tea in the screening bucket 13 is full, the auger conveyor 3 stops, the motor 20 drives the first gear 22 to rotate, and through the second gear 23 drives the rotating bucket 9 to rotate at a certain angle, so that the other screening bucket 13 is facing the discharge pipe 5, and then the auger conveyor 3 starts, at which time the workers can take out the Dancong tea from the previous screening bucket 13, and it is convenient to clean the second screen plate 14 in the previous screening bucket 13.

[0038] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

[0039] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" 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; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

Claims

1. A screening device for processing single-origin tea, comprising a support base (1), wherein a first screening mechanism (2) is provided on the upper surface of the support base (1), characterized in that, The support base (1) is rotatably connected to the right side of the first screening mechanism (2) through which a rotating bucket (9) is connected. The upper end of the rotating bucket (9) is provided with a second screening mechanism (10). The upper surface of the support base (1) is provided with a rotating mechanism (18) that drives the rotating bucket (9) to rotate between the first screening mechanism (2) and the rotating bucket (9).

2. The screening device for processing single-origin tea according to claim 1, characterized in that, The first screening mechanism (2) includes an auger conveyor (3), a support plate (4) is fixedly connected to the middle position of the outer side of the auger conveyor (3), and a discharge pipe (5) is connected through the right end of the lower surface of the auger conveyor (3). A feed hopper (6) is connected through the left end of the upper surface of the auger conveyor (3). A fan (7) is fixedly connected to the front surface of the feed hopper (6), and a first screen plate (8) is connected through the rear surface of the feed hopper (6).

3. The screening device for processing single-origin tea according to claim 1, characterized in that, The second screening mechanism (10) includes a fixed plate (11), a vibration motor (12) is fixedly connected to the center of the upper surface of the fixed plate (11), and multiple screening barrels (13) are threadedly connected to the inside of the fixed plate (11) outside the vibration motor (12). A second screen plate (14) is threadedly connected to the lower surface of the screening barrel (13). Multiple first fixing blocks (15) are uniformly fixed to the outer surface of the fixed plate (11). A spring (16) is fixed to the lower surface of the first fixing block (15). A second fixing block (17) is fixed to the lower end of the spring (16). The rotating mechanism (18) includes a connecting plate (19), a motor (20) is fixedly connected to the upper surface of the connecting plate (19), a connecting rod (21) is fixedly connected to the output end of the motor (20), a first gear (22) is fixedly connected to the lower end of the connecting rod (21), and a second gear (23) is meshed with the right side of the first gear (22).

4. A screening device for processing single-origin tea according to claim 2, characterized in that, The lower end of the support plate (4) is fixed to the upper surface of the support base (1), and the fan (7) is connected to the inside of the feed hopper (6). The fan (7) is directly opposite the first screen plate (8).

5. A screening device for processing single-origin tea according to claim 3, characterized in that, The lower end of the screening bucket (13) is located inside the rotating bucket (9), and one end of the second fixing block (17) is fixed to the outer surface of the rotating bucket (9).

6. A screening device for processing single-origin tea according to claim 3, characterized in that, The lower end of the connecting plate (19) is fixed to the upper surface of the support base (1), and the second gear (23) is fixed to the outside of the rotating bucket (9).

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