CN220738513U - Tea classification screening device - Google Patents

Abstract

The utility model provides a tea classifying and screening device, which relates to the field of classifying and screening of tea, and comprises the following components: the tea screening machine comprises a tea screening machine body and a feeding fan, wherein the feeding fan is fixedly arranged on the upper surface of the tea screening machine body, the feeding fan is connected with a branch pipeline through an air supply pipe, the branch pipeline is respectively connected with three groups of air supply net openings, a blanking roller is connected in a cavity of the tea screening machine body through a rotating shaft, a partition plate is welded on the surface of the blanking roller, three groups of discharging cavity pipelines are arranged on the inner side of the tea screening machine body, and a discharging plate is arranged on the cavity wall of the discharging cavity pipeline through a connecting rod. The utility model solves the problems of poor grading and screening efficiency of tea caused by the fact that too much tea leaves contained in a filtering mechanism are not easy to fall off and the excessive tea leaves are easy to obstruct the falling of scraps in the prior art.

Description

Tea classification screening device

Technical Field

The utility model relates to the field of tea hierarchical screening, in particular to a tea hierarchical screening device.

Background

Tea is a traditional Chinese drink, which is loved by people, the taste of the high-quality tea is fragrant and sweet, the price is also very expensive, the high-quality tea is required to be manufactured, the raw materials are not tight, in the process of airing, proper airing conditions are required to be achieved, the tea is required to be screened in the process of production and processing, the tea is screened into big leaves, small leaves, leaf tips and fragments according to the size of the tea, the tea is required to be screened through a special screening tool, the prior art (application number: CN 202122279855.0) describes that 'the eccentric shafts at two ends of the connecting rod are driven to rotate through a motor', the eccentric shafts drive the sliding blocks to do circular motion, the sliding blocks slide in the swinging frame, so that the swinging frame swings back and forth, the fragments in the tea are screened out through the back and forth swinging, the vibration is reduced to a certain extent, the whole quality of the tea is improved, but the tea contained in the filtering mechanism in the prior art is not easy to excessively block the fragments to fall down, and the problem of poor classifying and screening efficiency of the tea is caused.

Disclosure of Invention

In order to overcome the defects existing in the prior art, the tea classifying and screening device is provided at present, so that the problems that too many tea leaves contained in a filtering mechanism in the prior art are difficult to fall off due to the fact that too many tea leaves easily block the falling of chips, and the classifying and screening efficiency of the tea leaves is poor are solved.

To achieve the above object, there is provided a tea classifying and screening device comprising: the tea screening machine body and the feeding fan are fixedly arranged on the upper surface of the tea screening machine body,

the feeding fan is connected with branch pipelines through an air supply pipe, the branch pipelines are respectively connected with three groups of air supply net openings, a blanking roller is connected in a tea screening machine cavity through a rotating shaft, a partition plate is welded on the surface of the blanking roller, three groups of discharging cavity pipelines are arranged on the inner side of the tea screening machine body, and a discharging plate is mounted on the cavity wall of each discharging cavity pipeline through a connecting rod.

Further, the front surface of the tea screening machine body is fixedly provided with a controller, and a first screening screen plate, a second screening screen plate and a third screening screen plate are arranged in the cavity of the tea screening machine body.

Further, air supply net openings are distributed on the right sides of the first screening net plate, the second screening net plate and the third screening net plate; and the three-component screen plates are distributed from right to left in a stepwise manner.

Further, a visible window is arranged on the front surface of the tea screening machine body, and a side door is arranged on the left side surface of the tea screening machine body; and the side door is positioned at the left side of the third screening plate.

Further, a feeding bin is fixed on the upper surface of the tea screening machine body; and a discharging roller is distributed at the lower port of the feeding bin, and a rotating shaft at the front end of the discharging roller is connected with a stepping motor.

Further, the discharging cavity is respectively arranged below the air supply net mouth and the separation distance between the screening plates, and the front end of the discharging plate is connected with the cavity wall of the tea screening machine through a connecting rod.

Further, the rear end of the connecting rod is connected with a motor through a coupler; and the motor is arranged inside the tea screening machine body, and a discharge hole is formed in the lower surface of the tea screening machine body.

The tea classifying and screening device has the beneficial effects that the feeding fan is used for conveying wind power to the air supply net mouth, fallen tea is blown to the screening plate through wind power air flow, so that tea smaller than meshes passes through the screening plate and slides downwards to the next screening plate, damage to tea during screening is reduced, the integrity of the tea screened by the tea classifying and screening device is guaranteed, the fed tea is fed in batches through the separating plate on the surface of the blanking roller, meanwhile, the discharging plate rotates to discharge the screened tea, the feeding quantity of the tea is conveniently and effectively controlled, the influence of excessive tea accumulation on the wind power screening effect is avoided, and the classifying and screening efficiency of the tea is improved.

Drawings

Fig. 1 is a schematic front view of a tea classifying and screening device according to an embodiment of the present utility model.

Fig. 2 is a schematic cross-sectional elevation view of a tea classifying and screening device according to an embodiment of the present utility model.

Fig. 3 is a schematic cross-sectional front view of a blanking drum according to an embodiment of the present utility model.

Fig. 4 is a schematic top view of a discharge plate according to an embodiment of the present utility model.

In the figure: 1. a tea screening machine body; 11. a feeding bin; 12. a controller; 13. a visual window; 14. a discharge port; 15. a side door; 16. a discharge channel; 2. a feeding fan; 21. an air supply pipe; 22. a branch pipe; 23. an air supply net opening; 3. a first screen separating plate; 31. a second screen plate; 32. a third screen separating plate; 4. a blanking roller; 41. a partition plate; 42. a rotating shaft; 5. a discharge plate; 51. a motor; 52. a coupling; 53. and (5) connecting a rod.

Detailed Description

Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model.

Referring to fig. 1 to 4, the present utility model provides a tea leaf classifying and screening device comprising: a tea screening machine body 1 and a feeding fan 2, the feeding fan 2 is fixedly arranged on the upper surface of the tea screening machine body 1,

the feeding fan 2 is connected with a branch pipeline 22 through an air supply pipe 21, the branch pipeline 22 is respectively connected with three groups of air supply net openings 23, a blanking roller 4 is connected in the cavity of the tea screening machine body 1 through a rotating shaft 42, a partition plate 41 is welded on the surface of the blanking roller 4, three groups of discharging cavity channels 16 are arranged on the inner side of the tea screening machine body 1, and a discharging plate 5 is arranged on the cavity wall of each discharging cavity channel 16 through a connecting rod 53.

Working principle: firstly, a feeding fan 2 is started, the air quantity is regulated, tea leaves are placed in a feeding bin 11, a partition plate 41 on the surface of a blanking roller 4 is used for containing part of the tea leaves, the tea leaves are placed in a cavity of a tea screening machine body 1 through rotation, the fallen tea leaves are blown to a screening plate by wind force air flow blown through an air supply net opening 23, the tea leaves smaller than meshes pass through the screening plate and slide down to the next screening plate, the tea leaves left by the screening plate fall onto a discharging plate 5, the discharging plate 5 is turned over, the screened tea leaves are discharged, meanwhile, the blanking roller 4 is used for rotating and blanking again, and the tea screening process is continued.

In the embodiment, a controller 12 is fixed on the front surface of the tea screening machine body 1, and a first screening plate 3, a second screening plate 31 and a third screening plate 32 are arranged in the cavity of the tea screening machine body 1.

As a preferred embodiment, the controller 12 facilitates control of the electrical equipment in the screening process. The screening plate is convenient for enabling tea leaves smaller than meshes to pass through the screening plate and slide downwards to the next screening plate, and is convenient for classifying and screening the tea leaves.

In the embodiment, the right sides of the first screening plate 3, the second screening plate 31 and the third screening plate 32 are respectively provided with an air supply net opening 23; and the three-component screen plates are distributed from right to left in a stepwise manner.

As a preferred embodiment, the first screening plate 3, the second screening plate 31 and the third screening plate 32 enable the tea to be screened by the wind air flow sent by the air supply net mouth 23, so that damage to the tea during screening is reduced, and the integrality of the tea screened by the tea classifying and screening device is guaranteed.

In the embodiment, the front surface of the tea screening machine body 1 is provided with a visual window 13, and the left side surface of the tea screening machine body 1 is provided with a side door 15; and the side door 15 is located at the left side of the third screening plate 32.

As a preferred embodiment, the visual window 13 facilitates the observation of the classified screening condition of tea leaves. The viewing window 13 facilitates cleaning of debris from the screening of the third screening deck 32.

In the embodiment, a feeding bin 11 is fixed on the upper surface of the tea screening machine body 1; and the lower port of the feeding bin 11 is distributed with a blanking roller 4, and a rotating shaft 42 at the front end of the blanking roller 4 is connected with a stepping motor.

As a preferred embodiment, the feeding bin 11 drops tea leaves to the space between the partition plates 41 of the blanking roller 4 through the lower port, so that the tea leaves can be conveniently contained in batches, and the feeding quantity of the tea leaves can be conveniently and effectively controlled.

In the embodiment, the discharging cavity 16 is respectively arranged below the air supply net mouth 23 and the separation distance between the screening plates, and the front end of the discharging plate 5 is connected with the cavity wall of the tea screening machine body 1 through a connecting rod 53.

As a preferred embodiment, the discharge channel 16 facilitates discharge of the classified sifted tea leaves. The discharging plate 5 overturns along with the rotation frequency of the discharging roller 4, so that automatic feeding and discharging of tea leaves are realized.

In the present embodiment, the rear end of the connecting rod 53 is connected with the motor 51 through the coupling 52; and the motor 51 is arranged inside the tea screening machine body 1, and the lower surface of the tea screening machine body 1 is provided with a discharge hole 14.

As a preferred embodiment, the motor 51 is convenient to drive the connecting rod 53 to rotate so as to enable the discharge plate 5 to overturn, and tea leaves screened on the discharge plate 5 are convenient to discharge into the discharge cavity 16. The discharge channel facilitates discharge of tea leaves falling from the discharge channel 16.

The tea classifying and screening device can effectively solve the problem of poor tea classifying and screening efficiency, is convenient for reducing damage to tea during screening, ensures the integrity of the tea screened by the tea classifying and screening device, is convenient for effectively controlling the feeding amount of the tea, improves the tea classifying and screening efficiency, and is suitable for the tea classifying and screening device.

Claims (7)

1. A tea leaf classifying screening device comprising: tea screening organism (1) and pay-off fan (2), tea screening organism (1) upper surface fixed mounting has pay-off fan (2), its characterized in that:

the feeding fan (2) is connected with a branch pipeline (22) through an air supply pipe (21), the branch pipeline (22) is respectively connected with three groups of air supply net openings (23), a blanking roller (4) is connected in a tea screening machine body (1) cavity through a rotating shaft (42), a partition plate (41) is welded on the surface of the blanking roller (4), three groups of discharging cavity pipelines (16) are arranged on the inner side of the tea screening machine body (1), and a discharging plate (5) is arranged on the cavity wall of the discharging cavity pipelines (16) through a connecting rod (53).

2. A tea classifying screen device according to claim 1, wherein the front surface of the tea screening machine body (1) is fixedly provided with a controller (12), and a first screening plate (3), a second screening plate (31) and a third screening plate (32) are arranged in the cavity of the tea screening machine body (1).

3. A tea classifying screen device according to claim 2, wherein the right sides of the first, second and third screening plates (3, 31, 32) are respectively provided with air supply net openings (23); and the three-component screen plates are distributed from right to left in a stepwise manner.

4. A tea classifying and screening device according to claim 1, wherein a visual window (13) is provided on the front surface of the tea screening body (1), and a side door (15) is mounted on the left side surface of the tea screening body (1); and the side door (15) is positioned at the left side of the third screening plate (32).

5. A tea classifying and screening device according to claim 1, wherein the upper surface of the tea screening machine body (1) is fixed with a feeding bin (11); and a blanking roller (4) is distributed at the lower port of the feeding bin (11), and a rotating shaft (42) at the front end of the blanking roller (4) is connected with a stepping motor.

6. A tea classifying and screening device according to claim 1, wherein the discharge channel (16) is arranged below the air supply net mouth (23) and the separation distance between the screening plates, and the front end of the discharge plate (5) is connected with the cavity wall of the tea screening machine body (1) through a connecting rod (53).

7. A tea classifying and screening device according to claim 1, wherein the rear end of the connecting rod (53) is connected with a motor (51) through a coupling (52); and the motor (51) is arranged inside the tea screening machine body (1), and a discharge hole (14) is formed in the lower surface of the tea screening machine body (1).