Impurity filtering device for tea processing

By using a servo motor to drive the cam, which in turn moves the support bar and the movable frame, and combined with a multi-layer screen for filtering impurities in tea processing, the problem of low efficiency and difficult cleaning of existing devices is solved, thus achieving efficient grading and screening of tea and convenient maintenance.

CN223946205UActive Publication Date: 2026-02-27江西省茗悦天下实业有限公司
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520486169.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-19
Publication Date
2026-02-27
Estimated Expiration
2035-03-19

AI Technical Summary

Technical Problem

Existing tea impurity filtration devices are limited in function, require manual operation, are inefficient and consume a lot of manpower, and the filter cartridges are not easy to disassemble, making cleaning and maintenance difficult.

Method used

A tea processing impurity filtration device was designed. It uses a servo motor to drive a cam to move a support bar and a movable frame. Combined with a multi-layer screen, it can achieve tea grading and screening. The screen can be easily disassembled and cleaned by pulleys. The structure includes the coordinated use of components such as a screening box, slide bar, cam, and servo motor.

Benefits of technology

It enables efficient grading and screening of tea leaves, improves filtration efficiency, simplifies the replacement and cleaning process of the screen, and reduces manual labor intensity.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223946205U_ABST
    Figure CN223946205U_ABST
Patent Text Reader

Abstract

The utility model discloses an impurity filtering device for tea processing, which comprises a screening box, a cavity is arranged in the screening box, four sliding rods which are distributed in a matrix are arranged in the cavity in a sliding manner, the same supporting strip is arranged at the tops of every two sliding rods which are farthest in distance, and the sliding rods are arranged in the screening box through mutual matching of structures such as a cam, a movable frame and a screen. According to the tea leaf screening device, tea leaves to be screened can be poured into the screening box from the feeding port during use, at the moment, the tea leaves can sequentially pass through the three screening nets on the movable frame, classified screening of the tea leaves is achieved, a servo motor and a cam are arranged, the motor can be started to drive the cam to rotate, and the rotating cam makes contact with a supporting strip, so that the tea leaves are screened. The movable frame can be driven by the two supporting strips to do vertical reciprocating motion, the screening effect is improved, the movable frame can be conveniently pulled out of the cavity along the pulleys after the access door is opened through the multiple pulleys arranged on the supporting strips, and then the three screens on the movable frame can be conveniently detached, replaced or cleaned.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to tea processing technical field, concretely is an impurity filtering device for tea processing. BACKGROUND

[0002] With the development of science and technology and the progress of the times, tea has become an important variety in the world beverage market, and the competition in the world tea market is increasingly fierce. China is the birthplace of tea, with six major tea types, including green tea and black tea, and 20 tea-producing provinces. With 80 million tea farmers, China is a major tea-producing country.

[0003] The existing tea impurity filtering device has single function and needs manual labor to remove impurities from tea, which reduces the efficiency of removing impurities from tea and wastes a lot of human resources.

[0004] A patent with authorization announcement number CN221183616U discloses an impurity filtering device for tea processing, which belongs to the technical field of tea processing. It includes a filter box, a filter cartridge is arranged inside the filter box, and a spiral conveying plate is fixedly arranged inside the filter cartridge. The tea impurity filtering device rotates under the drive of the driving assembly, which can convey tea from the right side to the left side of the filter cartridge. The spiral conveying plate increases the path of tea conveying and filtering, avoiding insufficient filtering. The adjusting cylinder is arranged outside the filter cartridge, and the position of the adjusting cylinder outside the filter cartridge is adjusted by the adjusting assembly. The size of the adjusting cylinder and the filter cartridge can be changed, that is, the size of the hole of the communicating part of the adjusting cylinder and the filter cartridge can be changed. The filtering requirements of different teas can be adjusted according to needs.

[0005] However, the filter cartridge of the device is not convenient to disassemble and assemble, and the disassembly and assembly process is complicated and laborious, which makes it easy to accumulate dust inside the filter cartridge and inconvenient to clean and maintain. UTILITY MODEL CONTENTS

[0006] (I) Technical problems solved

[0007] In view of the shortcomings of the prior art, the utility model provides an impurity filtering device for tea processing, which solves the above technical problems.

[0008] (II) Technical solutions

[0009] In order to achieve the above object, the utility model provides the following technical scheme: An impurity filtering device for tea processing, including sieve box, the cavity is set in sieve box, four matrix distribution's slide bar are slidably installed in the cavity, the top of every two farthest slide bar is installed with same support strip, a plurality of pulleys are rotatably installed on the support strip, the cavity is slidably installed with movable frame, three screen meshes are inserted in movable frame, movable frame is overlapped on two support strips, two cams are rotatably installed in the cavity, two cams are connected through connecting rod, one side of sieve box is installed with servo motor, the action output shaft of servo motor is installed on one of the cams, two cams are respectively abutted on the bottom of two support strips.

[0010] Preferably, the top of the sieve box is provided with a feeding port, and the feeding port is communicated with the cavity.

[0011] Preferably, the bottom of the cavity is provided with a collecting tank, and the collecting tank is inclined.

[0012] Preferably, the bottom of the sieve box is provided with a discharging port, and the discharging port is communicated with the cavity.

[0013] Preferably, four slide holes are formed in the sieve box, and the four slide rods are slidably arranged in the four slide holes; a reset spring is sleeved on the slide rod, one end of the reset spring is abutted on the support strip, and the other end of the reset spring is abutted on the sieve box.

[0014] Preferably, two symmetrical guide plates are arranged in the cavity, and the two guide plates are symmetrically arranged below the feeding port.

[0015] Preferably, three insertion rails are formed on the movable frame and spaced apart along the axial direction, and the three screen meshes are slidably arranged in the three insertion rails; the pore sizes of the three screen meshes decrease layer by layer from top to bottom.

[0016] Compared with the prior art, the utility model provides an impurity filtering device for tea processing, which has the following beneficial effects: the cam, movable frame and screen mesh are matched to pour the tea to be sieved into the sieve box from the feeding port during use, the tea can pass through the three screen meshes on the movable frame in turn, the classification and screening of the tea are realized, the servo motor and the cam are arranged, the motor is started to drive the cam to rotate, the rotating cam contacts the support strip, the two support strips drive the movable frame to perform vertical reciprocating motion, the sieving effect is improved, and the multiple pulleys arranged on the support strip can facilitate the movable frame to be pulled out of the cavity along the pulleys after the access door is opened, so that the three screen meshes on the movable frame can be conveniently disassembled, replaced or cleaned. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1The utility model discloses a main body structure schematic diagram of the utility model;

[0018] Figure 2 The utility model discloses a sliding rod and reset spring etc. sectional structure schematic diagram of structure of the utility model;

[0019] Figure 3 The utility model discloses a connecting rod, movable frame and screening box etc. sectional structure schematic diagram of structure of the utility model;

[0020] Figure 4 The utility model discloses a filter screen, movable frame and sliding rod etc. sectional structure schematic diagram of structure of the utility model;

[0021] Figure 5 The utility model discloses a guide plate, screen and cam etc. sectional structure schematic diagram of structure of the utility model.

[0022] Among them: 1, screening box, 2, support column, 3, access door, 4, inlet, 5, handle, 6, discharge port, 7, movable frame, 8, support strip, 9, pulley, 10, sliding rod, 11, reset spring, 12, cam, 13, connecting rod, 14, plug-in rail, 15, screen, 16, material collecting tank, 17, sliding hole, 18, guide plate, 19, cavity, 20, servo motor. DETAILED DESCRIPTION

[0023] The embodiments of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but can not be used to limit the scope of the utility model.

[0024] In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more than two;The orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. The indicated device or element must have a particular orientation, a particular orientation and operation, so it cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0025] In the description of the utility model, it is necessary to point out that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanical connection, or electrical connection;It can be directly connected, or indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0026] Please refer to Figures 1-5 The utility model provides a kind of tea processing impurity filtering device, including screening box 1, cavity 19 is opened in screening box 1, four matrix distribution sliding rods 10 are slidably installed in cavity 19, and the top of every two farthest sliding rods 10 is equipped with the same support bar 8, a plurality of pulleys 9 are rotatably installed on support bar 8, movable frame 7 is slidably installed in cavity 19, three screen meshes 15 are inserted in movable frame 7, movable frame 7 is overlapped on two support bars 8, two cams 12 are rotatably installed in cavity 19, two cams 12 are connected by connecting rod 13, servo motor 20 is installed on the side of screening box 1, the action output shaft of servo motor 20 is installed on one of the two cams 12, and the bottom of two cams 12 is respectively abutted on two support bars 8, four support columns 2 are arranged on the bottom of screening box 1, and access door 3 is hinged on screening box 1, and handle 5 is arranged on access door 3.

[0027] Through the cooperation of the structures such as cam 12, movable frame 7 and screen mesh 15, the tea to be screened can be poured into the screening box 1 from the feed inlet 4 during use, at this time, the tea can pass through the three screen meshes 15 on the movable frame 7 in turn, realizing the classification and screening of the tea, and through the setting of the servo motor 20 and the cam 12, the cam 12 can be driven to rotate by starting the motor, and the two support bars 8 can drive the movable frame 7 to move vertically reciprocatingly by the contact between the rotating cam 12 and the support bar 8, improving the screening effect, and through the plurality of pulleys 9 arranged on the support bar 8, the movable frame 7 can be pulled out from the cavity 19 along the pulley 9 after the access door 3 is opened, and then the three screen meshes 15 on the movable frame 7 can be conveniently disassembled, replaced or cleaned.

[0028] Specifically, in the present embodiment, the top of the screening box 1 is provided with a feed inlet 4, and the feed inlet 4 is communicated with the cavity 19.

[0029] Specifically, in the present embodiment, the bottom of the cavity 19 is provided with a collecting groove 16, and the collecting groove 16 is inclined, and the bottom of the screening box 1 is provided with a discharge outlet 6, and the discharge outlet 6 is communicated with the cavity 19, so that the screened tea can slide down to the discharge outlet 6 through the inclined collecting groove 16 for discharge.

[0030] Specifically, in the present embodiment, four sliding holes 17 are formed in the screening box 1, and the four sliding rods 10 are slidably arranged in the four sliding holes 17, respectively, and a return spring 11 is sleeved on the sliding rod 10, one end of the return spring 11 abuts against the support bar 8, and the other end of the return spring 11 abuts against the screening box 1.

[0031] The sliding hole 17 can be used for the sliding of the sliding rod 10, and the return spring 11 can ensure the activity frequency of the movable frame 7 during vertical reciprocating movement, thereby ensuring the screening efficiency.

[0032] Specifically, in the embodiment, two material guiding plates 18 are arranged in the cavity 19, and the two material guiding plates 18 are symmetrically arranged below the material inlet 4, so that the tea leaves can fall on the screen 15 during the material feeding through the material guiding plates 18.

[0033] Specifically, in the embodiment, three plug-in rails 14 are arranged on the movable frame 7 in an axial direction, and three screens 15 are respectively slidably arranged in the three plug-in rails 14, and the aperture diameters of the three screens 15 are gradually reduced from top to bottom.

[0034] The plug-in rail 14 can facilitate the installation of the screen 15 on the movable frame 7.

[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A tea processing impurity filtration device, comprising a sieving box, characterized in that: The screening box has a cavity, and four sliding rods arranged in a matrix are slidably installed in the cavity. The top of each pair of sliding rods with the greatest distance between them is equipped with the same support bar. Multiple pulleys are rotatably installed on the support bar. A movable frame is slidably installed in the cavity, and three screens are inserted into the movable frame. The movable frame rests on two support bars. Two cams are rotatably installed in the cavity and are connected by a connecting rod. A servo motor is installed on one side of the screening box, and the output shaft of the servo motor is installed on one of the cams. The two cams abut against the bottom of the two support bars respectively.

2. The tea processing impurity filtration device according to claim 1, characterized in that: The top of the screening box has a feed inlet, which is connected to the cavity.

3. The impurity filtration device for tea processing according to claim 1, characterized in that: A material collection trough is provided at the bottom of the cavity, and the material collection trough is inclined.

4. The impurity filtration device for tea processing according to claim 1, characterized in that: The bottom of the screening box has a discharge port, which is connected to the cavity.

5. The impurity filtration device for tea processing according to claim 1, characterized in that: The screening box has four sliding holes, and four sliding rods are slidably arranged in the four sliding holes. A return spring is sleeved on the sliding rod. One end of the return spring abuts against the support bar, and the other end of the return spring abuts against the screening box.

6. The tea processing impurity filtration device according to claim 2, characterized in that: The cavity is provided with two symmetrical guide plates, which are symmetrically arranged below the feed inlet.

7. The tea processing impurity filtration device according to claim 1, characterized in that: The movable frame has three axially spaced insertion rails, and three screens are slidably installed in the three insertion rails respectively. The aperture of the three screens decreases from top to bottom.

Citation Information

Patent Citations

  • Impurity filtering device for tea processing

    CN221183616U