Circular screening machine for screening tea leaves

Abstract

The utility model relates to the technical field of tea leaf screening, and discloses a circular screening machine for screening tea leaves, which comprises a device main body, a screening cavity is arranged on the device main body, four supporting blocks distributed in a matrix are arranged in the screening cavity, and when the tea leaves are fed through a feed port and fall on a second screen, the supporting blocks are arranged in the screening cavity. Excessive tea leaves are blocked through the material baffle, so that the screening time of the tea leaves on the second screen is prolonged, and the tea leaves dried by the second screen can be screened again through the stacked first screen, so that the screening degree is improved, and the quality of the screened tea leaves is guaranteed; through mutual cooperation of a driving motor, an annular abutting block and circular jacking blocks, when the driving motor drives the circular jacking blocks to do circular motion, the annular abutting block can be jacked up, and through arrangement of a plurality of arc-shaped grooves in the annular abutting block, the annular abutting block can do high-frequency vertical reciprocating motion; therefore, the screening efficiency of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to tea screening mechanism technical field, concretely is a kind of round sieve machine for screening tea. BACKGROUND

[0002] In the preparation of tea, due to the different degrees of tenderness of tea, the different primary processing techniques, the quality of the rough tea is difficult to distinguish. In order to distinguish the quality of tea and make the product specifications uniform, the rough tea is generally screened. In the process of tea processing, a planar round sieve machine is usually used to achieve the screening.

[0003] A planar round sieve machine is disclosed in Chinese patent document CN20223282U, which comprises a sieve bed and a power device. The sieve bed is provided with multiple layers of inclined sieve surfaces. Each layer of sieve surface is connected with a discharge port, so as to facilitate the discharge of tea on each layer of sieve surface after screening.

[0004] However, since the screening time of tea is related to the running time of the equipment and the production efficiency of tea products, most manufacturers will try to add more tea into the round sieve machine during tea screening in order to improve the screening efficiency. In the above-mentioned scheme, since the sieve surface is inclined, most of the tea that has not completed the screening will directly enter the discharge port, reducing the screening efficiency. SUMMARY

[0005] (I) Technical problem solved

[0006] In view of the deficiencies of the prior art, the utility model provides a round sieve machine for screening tea, which solves the above technical problems.

[0007] (II) Technical scheme

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a round sieve machine for screening tea, comprising a device main body, a screening cavity is formed in the device main body, four support blocks are arranged in the screening cavity in a matrix distribution, a spring is connected to the top of each of the four support blocks, a first sieve screen is abutted to the top end of the spring, four support rods are protruded from the top of the first sieve screen, a second sieve screen is overlapped on the top of the four support rods, a clamping block is arranged on the top of the second sieve screen, a material baffle is clamped on the clamping block, an inlet is connected to the device main body through two mutually symmetrical support frames, a support bar is connected between the two support blocks, a driving motor is installed at the top center position of the support bar, a rotating block is installed on the action output shaft of the driving motor, a plurality of circular top blocks are arranged on the rotating block in a circumferential direction, a connecting block is protruded from the bottom of the first sieve screen, an annular abutting block is arranged at the bottom of the connecting block, the annular abutting block is abutted on the plurality of circular top blocks, and four support columns are arranged at the bottom of the device main body in a matrix distribution.

[0009] Preferably, the bottom of the annular abutting block is provided with a plurality of arc-shaped grooves in the circumferential direction, and the curvature of the arc-shaped grooves is matched with the circular top block.

[0010] Preferably, one end of the material baffle is a plane, and the other end of the material baffle is in an upwardly tilted state.

[0011] Preferably, the clamping block is provided with a groove for inserting the plane end of the material baffle.

[0012] Preferably, the first screen and the second screen are both arranged in an inclined manner, and the inclined directions of the first screen and the second screen are opposite.

[0013] Preferably, the bottom of the screening cavity is provided with a first discharge port, and the inner wall of one side of the screening cavity is provided with a second discharge port.

[0014] Preferably, the second discharge port is arranged directly below the inclined end of the first screen.

[0015] Compared with the prior art, the utility model provides a round screen machine for screening tea leaves, has the following beneficial effects: the first screen, the second screen and the material baffle and other structures are matched with each other, so that when tea leaves are put into the second screen through the feeding port, the material baffle can block too many tea leaves, thereby prolonging the screening time of the tea leaves on the second screen, and the first screen can be stacked to screen the tea leaves on the second screen again, thereby improving the screening degree and guaranteeing the quality of the screened tea leaves, and the driving motor, the annular abutting block and the circular top block are matched with each other, so that when the driving motor drives the plurality of circular top blocks to move in the circumferential direction, the annular abutting block can be lifted, and the plurality of arc-shaped grooves on the annular abutting block can make the annular abutting block move vertically and reciprocally at a high frequency, thereby improving the screening efficiency of the device. BRIEF DESCRIPTION OF DRAWINGS

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

[0017] Figure 2 It is a sectional structure schematic view of the support strip, the first screen and the second screen and other structures of the utility model;

[0018] Figure 3 It is a sectional structure schematic view of the first screen, the second screen, the support strip and the material baffle and other structures of the utility model;

[0019] Figure 4 It is a schematic view of the annular abutting block and the circular top block and other structures of the utility model.

[0020] Wherein: 1, device main body; 2, support column; 3, first discharge port; 4, support frame; 5, inlet; 6, clamping block; 7, material baffle; 8, first screen; 9, second screen; 10, support strip; 11, spring; 12, support rod; 13, support block; 14, drive motor; 15, rotating block; 16, connecting block; 17, annular abutment block; 18, arc-shaped groove; 19, circular top block; 20, screening cavity; 21, second discharge port. DETAILED DESCRIPTION

[0021] The embodiments of the present application will be further described in detail below with reference to the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0022] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" 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 present application and simplifying the description, and therefore cannot be understood as limiting the device or element indicated or implied to have a specific orientation, to be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. 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.

[0023] In the description of the present application, it should be pointed 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 mechanically connected, or it can be electrically connected; It can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0024] Please refer to Figures 1-4The utility model provides a kind of round sieve machine for screening tea, including device main body 1, device main body 1 is opened with screening cavity 20, four support blocks 13 distributed in matrix are provided in screening cavity 20, the top of four support blocks 13 is connected with spring 11, the top of spring 11 is abutted with first screen 8, the top of first screen 8 is provided with four support rods 12, the top of four support rods 12 is overlapped with same second screen 9, the top of second screen 9 is provided with clamping block 6, clamping block 6 is clamped with material baffle 7, device main body 1 is connected with inlet 5 on two mutually symmetrical support frames 4, wherein two support blocks 13 are connected with support strip 10, the top center position of support strip 10 is installed with driving motor 14, the action output shaft of driving motor 14 is installed with rotating block 15, rotating block 15 is arranged with multiple circular top blocks 19 in circumferential direction, the bottom of first screen 8 is provided with connecting block 16, the bottom of connecting block 16 is provided with annular abutment block 17, annular abutment block 17 is abutted on multiple circular top blocks 19, the bottom of device main body 1 is provided with four support columns 2 distributed in matrix.

[0025] When tea is put into inlet 5 and falls on second screen 9, excessive tea is blocked by material baffle 7, so as to prolong the screening time of tea on second screen 9, and the tea on second screen 9 can be screened again through the stacked first screen 8, so as to improve the screening degree and guarantee the quality of screened tea, and through the cooperation of driving motor 14, annular abutment block 17 and circular top block 19, annular abutment block 17 can be lifted when driving motor 14 drives multiple circular top blocks 19 to move in circumferential direction, and through the arrangement of multiple arc grooves 18 on annular abutment block 17, annular abutment block 17 can move vertically and reciprocally at high frequency, so as to improve the screening efficiency of the device, and material baffle 7 is low in cost and high in practicability.

[0026] Specifically, in the embodiment, the bottom of annular abutment block 17 is provided with a plurality of arc grooves 18 spaced apart in circumferential direction, and the curvature of arc groove 18 is matched with circular top block 19.

[0027] Through the cooperation of arc groove 18 and circular top block 19, annular abutment block 17 can move vertically and reciprocally at high frequency, so as to improve the screening efficiency of the device.

[0028] Specifically, in the embodiment, one end of material baffle 7 is a plane, and the other end of material baffle 7 is in an upwardly inclined state.

[0029] Excessive tea can be blocked by material baffle 7, so as to prolong the screening time of tea on second screen 9.

[0030] Specifically, in the embodiment, the card block 6 is provided with a groove for inserting the flat end of the material baffle 7, which facilitates the disassembly and assembly of the material baffle 7 and replacement of the material baffle 7 of different sizes as needed.

[0031] Specifically, in the embodiment, the first screen 8 and the second screen 9 are both arranged in an inclined manner, and the inclined directions of the first screen 8 and the second screen 9 are opposite, so that the tea separated by the second screen 9 falls on the first screen 8 for further separation.

[0032] Specifically, in the embodiment, the bottom of the screening cavity 20 is provided with a first discharge port 3, and the inner wall of one side of the screening cavity 20 is provided with a second discharge port 21, which is arranged directly below the inclined end of the first screen 8.

[0033] 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 these 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 circular sieve machine for sieving tea leaves, comprising a device body, characterized in that: The device body is provided with a screening cavity, four support blocks are arranged in the screening cavity in a matrix distribution, the top of each of the four support blocks is connected with a spring, the top end of the spring is abutted with a first screen, the top of the first screen is provided with four support rods, the top of each of the four support rods is overlapped with a same second screen, the top of the second screen is provided with a clamping block, a material baffle is clamped on the clamping block, the device body is connected with a feeding port through two mutually symmetrical support frames, a support strip is connected between the two support blocks, a driving motor is installed at the top center position of the support strip, a rotating block is installed on the action output shaft of the driving motor, a plurality of circular top blocks are arranged on the rotating block in a circumferential direction, the bottom of the first screen is provided with a connecting block, the bottom of the connecting block is provided with an annular abutting block, the annular abutting block is abutted on the plurality of circular top blocks, and the bottom of the device body is provided with four support columns arranged in a matrix distribution.

2. A circular sieve machine for sieving tea leaves as claimed in claim 1 wherein: The bottom of the annular abutting block is provided with a plurality of arc-shaped grooves which are spaced apart in a circumferential direction, and the curvature of the arc-shaped grooves is matched with the circular top blocks.

3. A circular sieve machine for sieving tea leaves as claimed in claim 1 wherein: One end of the material baffle is a flat surface, and the other end of the material baffle is in an upwardly inclined state.

4. A circular sieve machine for sieving tea leaves as claimed in claim 1 wherein: A groove is formed in the clamping block, and the flat end of the material baffle is inserted into the groove.

5. A circular sieve machine for sieving tea leaves as claimed in claim 1 wherein: The first screen and the second screen are both arranged in an inclined manner, and the inclined directions of the first screen and the second screen are opposite.

6. A circular sieve machine for sieving tea leaves as claimed in claim 1 wherein: A first discharge port is formed in the bottom of the screening cavity, and a second discharge port is formed in the inner wall of one side of the screening cavity.

7. A circular sieve machine for sieving tea leaves as claimed in claim 6 wherein: The second discharge port is arranged directly below the inclined end of the first screen.

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