Dust removal structure for tea feeding hopper

By setting up a filter plate and a suction fan in the tea drop bucket, combined with scraping and mixing components, the problem of dust and dust flying in tea processing is solved, and the cleanliness of the tea and the improvement of the working environment is achieved.

CN223291920UActive Publication Date: 2025-09-02GUIZHOU TONGREN GUICHA TEA IND CO LTD
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Patent Information

Application Number
CN202422200403.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-09
Publication Date
2025-09-02
Estimated Expiration
2034-09-09

AI Technical Summary

Technical Problem

During the process of tea processing, crushed powder and dust are prone to flying, affecting the working environment and processing quality.

Method used

A coarse filter plate, a fine filter plate and a suction fan are installed in the tea drop bucket. Combined with the scraping component and the stirring component, the crushed powder and dust are separated and collected into the dust discharge chamber through the suction power of the suction fan and the stirring effect of the stirring component to prevent the screen from being blocked.

Benefits of technology

Effectively remove crushed and dust from tea, keep the tea clean, improve the working environment, and ensure that the tea does not contain impurities when entering the next step.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a dust removal structure for a tea feeding hopper, which is characterized in that a through hole is arranged on one side deviating from a discharge port of the feeding hopper, a coarse filter screen plate is arranged in the through hole, a dust removal cover is arranged on the wall of the feeding hopper on the outer side of the coarse filter screen plate, and a dust removal chamber is formed between the coarse filter screen plate and the dust removal cover through a fine filter screen plate. The lower side of the dust discharging cavity is communicated with a dust discharging channel, an opening and closing valve is arranged at an outlet of the dust discharging channel, the dust removing cover is connected with a suction fan, the output end of the suction fan is connected with a first exhaust pipe, one side of the coarse filtering net plate is provided with a scraping assembly capable of scraping the plate surface of the coarse filtering net plate, and a stirring assembly is arranged in the feeding hopper. The dust removal structure is simple in structure and convenient to use, and dust and dust in tea can be directly removed in the tea feeding hopper, so that the cleanliness of the tea is ensured when the tea enters the next processing procedure, and a good field working environment is ensured.
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Description

Technical Field

[0001] The utility model belongs to the technical field of tea processing equipment, and particularly relates to a dust removal structure for a tea-feeding hopper. Background Art

[0002] Tea processing, also known as "tea making," is the process of transforming fresh tea leaves through various steps into various semi-finished or finished teas. The processing stages can be categorized as primary processing (primary processing), refining (fine processing), secondary processing, and further processing. During processing, tea leaves interact with various processing equipment through friction and other forces, inevitably generating fines and dust. When tea leaves containing fines and dust enter the next processing equipment, they are carried everywhere along with the poured tea leaves, seriously affecting the working environment at the tea processing site and the quality of subsequent processing.

[0003] In view of this, in order to solve the above technical problems, the utility model proposes a dust removal structure that can directly remove the crushed tea leaves and dust in the tea hopper, so that the cleanliness of the tea leaves and a good working environment on site can be guaranteed when the tea leaves enter the next process. Summary of the Invention

[0004] The utility model provides a dust removal structure for a tea hopper, which has a simple structure and is easy to use. It can directly remove the powder and dust in the tea leaves in the tea hopper, so that the cleanliness of the tea leaves is guaranteed when the tea leaves enter the next processing step and a good working environment is guaranteed on site. The specific scheme is as follows:

[0005] A dust removal structure for a tea feeding hopper, comprising: a through hole on a side away from the discharge port of the feeding hopper, a coarse filter screen provided in the through hole, a dust cover provided on the feeding hopper wall outside the coarse filter screen, a dust discharge chamber formed between the coarse filter screen and the dust cover via a fine filter screen, a dust discharge channel connected to the lower side of the dust discharge chamber, an opening and closing valve provided at the outlet of the dust discharge channel, the dust cover connected to a suction fan, an output end of the suction fan connected to a first exhaust duct, a scraping assembly for scraping the plate surface of the coarse filter screen provided on one side, and a stirring assembly provided in the feeding hopper.

[0006] Furthermore, there are two of them, which are arranged on opposite sides of the delivery bucket in a mirror-symmetrical manner.

[0007] Furthermore, the scraping assembly includes a mounting frame, a scraper, a rotating shaft, a bearing seat, a worm, a turbine and a first motor. The mounting frame is arranged on the delivery bucket outside the first through hole, the rotating shaft is horizontally rotated on the mounting frame and passes through the coarse filter plate, the scraper is sleeved on the rotating shaft located inside the delivery bucket and is attached to the coarse filter plate, the turbine is arranged on the rotating shaft away from the end of the scraper, and a worm meshing with the turbine is provided on the lower side of the turbine. The two ends of the worm are arranged on the side wall of the delivery bucket through the bearing seat, and the worm is driven to rotate by the first motor.

[0008] Furthermore, the stirring assembly includes a second motor, a stirring shaft and a stirring rod. The stirring shaft is horizontally arranged between the two side walls of the delivery hopper, and the stirring shaft is arranged away from the first through hole. The second motor is arranged on the outside of the delivery hopper and the output end is connected to the stirring shaft. The stirring shaft is provided with several stirring rods at intervals along its length.

[0009] Furthermore, a filter cartridge is connected to the free end of the exhaust pipe.

[0010] Furthermore, material guide plates are obliquely provided on both sides of the upper end of the feeding hopper.

[0011] The beneficial effects of the utility model are:

[0012] 1. The dust removal structure for a tea feeding hopper of the utility model can effectively remove tea leaves containing crushed tea leaves and dust to achieve the purpose of dust removal, thereby ensuring that the tea leaves can be kept clean when entering the next process and ensuring a good working environment. Specifically, by providing a stirring assembly, a coarse filter plate, a fine filter plate and a suction fan, when the first motor and the suction fan are started, the tea leaves entering the feeding hopper are continuously stirred, and then the suction force of the suction fan can filter the tea leaves and dust from the coarse filter plate to the dust discharge chamber, and then the tea leaves and dust are retained in the dust discharge chamber through the fine filter plate, so that the tea leaves and dust will not be discharged from the feeding hopper inlet and outlet. When the feeding is stopped, the on-off valve is opened to discharge the tea leaves and dust from the dust discharge channel.

[0013] 2. The utility model is a dust removal structure for a tea feeding hopper. Through the scraping assembly provided, when the dust removal work is in progress, the first motor is started, the output shaft of the first motor drives the worm to rotate and drives the turbine meshing therewith to rotate, and the turbine drives the rotating shaft to rotate, and then drives the scraper on the rotating shaft to rotate. The scraper can scrape the coarse filter plate to avoid the tea leaves sticking to the coarse filter plate under the action of strong wind when the suction fan is working, thereby causing the coarse filter plate to be blocked. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural diagram of the present utility model.

[0015] Figure 2 This is a cross-sectional view of the utility model.

[0016] Figure 3 This is a disassembled diagram of the utility model.

[0017] Figure 4 This is a connection diagram of the scraping component of the utility model.

[0018] Figure 5 It is a schematic diagram of the interior of the delivery bucket of the present utility model.

[0019] Figure 6 This is a schematic diagram of the scraping component of the present invention.

[0020] Figure 7 This is a schematic diagram of the stirring component of the present invention.

[0021] Explanation of the reference numerals: feeding hopper 1, discharge port 2, through hole 3, coarse filter plate 4, dust cover 5, fine filter plate 6, dust exhaust channel 7, suction fan 8, exhaust pipe 9, scraping assembly 10, mounting frame 101, scraper 102, rotating shaft 103, bearing seat 104, worm 105, turbine 106, first motor 107, stirring assembly 11, second motor 111, stirring shaft 112, stirring rod 113, filter cartridge 12, guide plate 13. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0023] See Figure 1-7 A dust removal structure for a tea feeding hopper is provided. A through hole 3 is provided on the side away from the discharge port 2 of the feeding hopper 1. A coarse filter screen plate 4 is provided in the through hole 3. The coarse filter screen plate 4 is detachably connected to the through hole 3. A dust cover 5 is provided on the wall of the feeding hopper 1 outside the coarse filter screen plate 4. The dust cover 5 can be detachably connected to the side wall of the feeding hopper 1 by bolts for easy later maintenance. A dust discharge chamber is formed between the coarse filter screen plate 4 and the dust cover 5 through a fine filter screen plate 6. The lower side of the dust discharge chamber is connected to a dust discharge channel 7. The outlet of the dust discharge channel 7 is provided with an on-off valve. The dust collecting hood 5 is connected to a suction fan 8, which adopts a powerful fan in the prior art. The output end of the suction fan 8 is connected to an exhaust pipe 9. A scraping component 10 is provided on one side of the coarse filter plate 4 for scraping the plate surface. The scraping component 10 is used to scrape the coarse filter plate 4 to avoid tea clogging. A stirring component 11 is provided in the feeding hopper 1. The setting of the stirring component 11 facilitates the tumbling of the tea leaves and thus discharges all the powder and dust in the tea leaves.

[0024] There are two of them, which are arranged on opposite sides of the delivery bucket 1 in a mirror-symmetrical manner, further enhancing the dust removal effect.

[0025] The scraping assembly 10 includes a mounting frame 101, a scraper 102, a rotating shaft 103, a bearing seat 104, a worm 105, a turbine 106 and a first motor 107. The mounting frame 101 is arranged on the delivery bucket 1 outside the through hole 3, and the rotating shaft 103 is horizontally rotated on the mounting frame 101 and passes through the coarse filter plate 4. The scraper 102 is sleeved on the rotating shaft 103 located inside the delivery bucket 1 and is in contact with the coarse filter plate 4. The turbine 106 is arranged on the rotating shaft 103 at one end away from the scraper 102. A worm 105 meshing with the turbine 106 is provided on the lower side of the turbine 106. Both ends of the worm 105 are arranged on the side wall of the delivery bucket 1 through the bearing seat 104. The bearing seat 104 is detachably connected to the side wall of the delivery bucket 1 by bolts, and the worm 105 is driven to rotate by the first motor 107.

[0026] The stirring assembly 11 includes a second motor 111, a stirring shaft 112 and a stirring rod 113. The stirring shaft 112 is horizontally arranged between the two side walls of the feeding bucket 1. The stirring shaft 112 is arranged away from the through hole 3. The second motor 111 is arranged on the outside of the feeding bucket 1 and the output end is connected to the stirring shaft 112. The stirring shaft 112 is provided with a plurality of stirring rods 113 at intervals along its length.

[0027] The free end of the exhaust pipe 9 is connected to a filter cartridge 12 to further ensure the cleanliness of the exhausted air.

[0028] Material guide plates 13 are provided at both sides of the upper end of the feeding hopper 1, and the arrangement of the material guide plates 13 facilitates the tea leaves poured into the feeding hopper 1 to fall directly onto the stirring rod 113 for stirring.

[0029] The working principle of the dust removal structure of the present invention is as follows: first, the suction fan 8, the first motor 107 and the second motor 111 are controlled to start, and then the tea leaves are poured into the feeding hopper 1 from its entrance. Through the strong wind suction of the suction fan 8 and the continuous stirring of the tea leaves by the stirring component 11, the tea leaves and dust contained in the tea leaves can be discharged into the dust discharge cavity through the coarse filter screen 4, and then the wind discharged from the exhaust pipe 9 is cleaned by the filtration of the fine filter screen 6 and the filter cartridge 12, thereby ensuring a good working environment. The scraper 102 continuously scrapes the side of the coarse filter layer screen 4 to avoid the blockage of the coarse filter screen 4 due to the strong suction of the suction fan 8. When the tea leaves are put in, the on-off valve of the dust discharge channel 7 is opened to discharge the tea leaves and dust retained in the dust discharge chamber to complete the dust removal work.

[0030] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims rather than the foregoing description. It is intended that all variations within the meaning and range of equivalents of the claims be embraced herein, and any reference signs in the claims should not be construed as limiting the claims to which they relate.

[0031] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A dust removal structure for a tea hopper, characterized by: A through hole (3) is provided on the side away from the discharge port (2) of the delivery hopper (1), a coarse filter screen (4) is provided in the through hole (3), a dust removal cover (5) is provided on the wall of the delivery hopper (1) outside the coarse filter screen (4), a dust discharge chamber is formed between the coarse filter screen (4) and the dust removal cover (5) through a fine filter screen (6), a dust discharge channel (7) is connected to the lower side of the dust discharge chamber, an opening and closing valve is provided at the outlet of the dust discharge channel (7), the dust removal cover (5) is connected to a suction fan (8), an exhaust pipe (9) is connected to the output end of the suction fan (8), a scraping assembly (10) for scraping the plate surface of the coarse filter screen (4) is provided on one side of the coarse filter screen (4), and a stirring assembly (11) is provided in the delivery hopper (1).

2. A dust removal structure for tea leaves according to claim 1, characterized in that: There are two of them, which are arranged on opposite sides of the delivery bucket (1) in a mirror-symmetrical manner.

3. The dust removal structure for tea leaves according to claim 1, characterized in that: The scraping assembly (10) comprises a mounting frame (101), a scraper (102), a rotating shaft (103), a bearing seat (104), a worm (105), a turbine (106) and a first motor (107); the mounting frame (101) is arranged on the delivery bucket (1) outside the through hole (3); the rotating shaft (103) is horizontally rotatably arranged on the mounting frame (101) and penetrates the coarse filter screen (4); the scraper (102) is sleeved on the The turbine (106) is arranged on the rotating shaft (103) inside the delivery bucket (1) and is in contact with the coarse filter screen (4). The turbine (106) is arranged on the rotating shaft (103) at one end away from the scraper (102). A worm (105) meshing with the turbine (106) is provided on the lower side of the turbine (106). Both ends of the worm (105) are arranged on the side wall of the delivery bucket (1) through a bearing seat (104). The worm (105) is driven to rotate by a first motor (107).

4. The dust removal structure for tea leaves according to claim 1, characterized in that: The stirring assembly (11) comprises a second motor (111), a stirring shaft (112) and a stirring rod (113); the stirring shaft (112) is horizontally arranged between two side walls of the delivery hopper (1); the stirring shaft (112) is arranged opposite to the through hole (3); the second motor (111) is arranged on the outside of the delivery hopper (1) and the output end is connected to the stirring shaft (112); the stirring shaft (112) is provided with a plurality of stirring rods (113) at intervals along its length.

5. The dust removal structure for tea leaves according to claim 1, characterized in that: The free end of the exhaust pipe (9) is connected to a filter cartridge (12).

6. The dust removal structure for tea leaves according to claim 1, characterized in that: Material guide plates (13) are obliquely provided on both sides of the upper end of the delivery hopper (1).