CN218691319U

CN218691319U - Tea shaking and screening machine

Info

Publication number: CN218691319U
Application number: CN202120877576.1U
Authority: CN
Inventors: 李建国
Original assignee: Xishuangbanna Mingyou Intelligent Technology Co ltd
Current assignee: Xishuangbanna Mingyou Intelligent Technology Co ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2023-03-24
Anticipated expiration: 2031-04-27

Abstract

The utility model discloses a tea shaking and screening machine, which comprises a frame, a vibration device, a damping device, a screening bed and a screen mesh arranged in the screening bed, wherein a plurality of screen meshes are arranged on the screen mesh; the sieve bed is connected with the frame through a damping device; the sieve pores are composed of through hole parts and turning parts; the turnover part and the through hole part are respectively provided with a connecting part for mutual connection, and the connecting part is vertical to the discharging direction of the tea leaves after vibration; the turnover part is plate-shaped, the turnover part is inclined downwards from one end of the connecting part to the tea feeding direction, and the lower end of the turnover part is positioned below the lower surface of the screen mesh; the through hole part and the peripheral position of the horizontal projection of the turnover part are superposed. The utility model discloses a sieve mesh of special construction and shape design, when carrying out tealeaves and tremble the sieve, the clearance between piece part accessible through-hole portion in the tealeaves and the folding portion is discharged, and because the design of folding portion, can effectively avoid tealeaves tea stalk part card in the sieve mesh and then cause the sieve mesh to block up, has fully guaranteed the normal clear of tealeaves screening process.

Description

Tea shaking and screening machine

Technical Field

The utility model relates to a tea processing technology field, in particular to tea trembles sieve machine.

Background

In order to improve the quality of tea leaves during the preparation process of the tea leaves, the tea leaves need to be screened to remove the debris part included in the tea leaves. Generally, the tea leaf screening process is carried out after the tea leaves are subjected to the processes of enzyme deactivation, rolling and deblocking. The shaking screen is used as a very important link in the tea refining process, and the efficiency and the quality directly determine the yield and the price of the tea. The structure of the existing shaking and screening machine consists of a frame, a screening bed and a vibration device for driving the screening bed to act. During operation, the vibrating device drives the sieve bed to act, and in the process that tea leaves pass through the sieve bed, the scrap parts in the tea leaves pass through sieve holes in the sieve bed to be sieved out.

However, in the shaking and screening machine in the prior art, the tea stem part of the tea is easily blocked by the sieve holes on the sieve bed in the tea shaking and screening process, so that the sieve holes are blocked, and the normal screening is affected.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a tealeaves trembles sieve machine, trembles the sieve in-process at tealeaves, can effectively avoid the phenomenon of tealeaves tea stalk card sieve pore blocking in the sieve mesh on the sieve bed.

In order to solve the technical problem, the utility model discloses a technical scheme does:

a tea shaking and screening machine comprises a rack, a vibration device, a damping device, a screening bed and a screen mesh arranged in the screening bed, wherein a plurality of screen holes are formed in the screen mesh; the sieve bed is connected with the frame through a damping device; the sieve pores are composed of through hole parts and folding parts; the turnover part and the through hole part are respectively provided with a connecting part for mutual connection, and the connecting part is vertical to the discharging direction of the tea leaves after vibration; the turnover part is plate-shaped, the turnover part is inclined downwards from one end of the connecting part to the tea feeding direction, and the lower end of the turnover part is positioned below the lower surface of the screen mesh; the through hole part is superposed with the horizontal projection periphery of the turnover part.

Preferably, the included angle between the folding part and the through hole part is 5-35 degrees.

More preferably, the included angle between the folding part and the through hole part is 15-30 degrees.

Preferably, the folding part and the through hole part are integrally arranged, and the folding part and the through hole part share one connecting part.

Preferably, the through hole part is rectangular, isosceles trapezoid, triangular or arch; correspondingly, the shape of the turnover part is matched with that of the through hole part.

Preferably, the sieve bed comprises a surrounding frame in a U shape; the bottom of the enclosure frame is fixedly connected with a screen.

Preferably, the vibration device consists of a vibration motor, a connecting cross rod and a fixing plate; the two fixing plates are symmetrically arranged on the left side part and the right side part of the enclosure frame respectively; the opposite end surfaces of the fixed plates are fixedly connected through a connecting cross rod; and a vibration motor is fixedly arranged corresponding to each fixing plate.

Preferably, a feed hopper is arranged above the feed port end of the sieve bed, a breaking chamber is arranged at the tail end of the discharge port of the feed hopper, and a breaking roller is arranged in the breaking chamber; the scattering chamber is fixed on the frame through a support frame.

The beneficial effects of the utility model are that:

(1) The tea shaking and screening machine of the utility model is characterized in that the sieve mesh is designed by a special structure and a special shape and consists of a through hole part and a folding part, and the folding part is plate-shaped and is designed to be inclined downwards; when carrying out tealeaves and trembling the sieve, the clearance discharge between piece part accessible through-hole portion and the folding portion in the tealeaves, and because the design of folding portion, can effectively avoid tealeaves tea stalk part card in the sieve mesh and then cause the sieve mesh to block up, fully guaranteed the normal clear of tealeaves screening process.

(2) The utility model discloses structural design is ingenious, preparation low cost, convenient to use, tremble the sieve more high-efficient to tealeaves.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is an enlarged view of part A of FIG. 1;

FIG. 3 is a schematic view of a triangular through hole in the screen of the present invention;

fig. 4 is a schematic view of the partial structure of the middle screen mesh of the present invention, in which the through hole portion is in the shape of an isosceles trapezoid.

In the figure, 1-a frame, 2-a vibrating device, 3-a damping device, 4-a sieve bed, 5-a feed hopper, 6-a scattering chamber, 7-a support frame, 20-a vibrating motor, 21-a connecting cross bar, 22-a fixing plate, 40-a sieve mesh, 41 a-a through hole part, 41 b-a folding part, 41 c-a connecting part and 42-a surrounding frame.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1-3, the tea shaking and screening machine of the present embodiment includes a frame 1, a vibration device 2, a damping device 3, a screen bed 4, and a screen 40 disposed in the screen bed 4, wherein a plurality of screen holes 41 are disposed on the screen 40; the sieve bed 4 is connected with the frame 1 through a damping device 3; the vibrating device 2 is used for driving the sieve bed 4 to vibrate, and the damping device 3 is used for damping the vibration process of the sieve bed 4.

The sieve holes 41 are composed of through hole parts 41a and folded parts 41 b; the turning part 41b and the through hole part 41a are respectively provided with a connecting part 41c for being connected with each other, and the connecting part 41c is vertical to the discharging direction of the tea leaves after vibration; the folding part 41b is plate-shaped, and is inclined downwards from one end of the connecting part 41c to the tea feeding direction, and the lower end of the folding part 41b is positioned below the lower surface of the screen 40; the through hole 41a and the folded part 41b overlap each other in the outer peripheral position of the horizontal projection. By adopting the above design, when the tea leaves are shaken and sieved, the gaps between the through hole parts 41a and the folding parts 41b can allow the tea leaves to pass through the scraps in the tea leaves, and the tea leaves are intercepted and cannot fall from the through hole parts 41 a; particularly, the tea stem part of the tea leaves is blocked by the turning part 41b with a certain inclination angle during the shaking process of the tea leaves, and the tea stem part of the tea leaves is not completely blocked in the sieve pores 41 and continues to move towards the discharging direction of the sieve bed 4 under the vibration action of the vibration device 2.

Preferably, the included angle between the folded part 41b and the through hole part 41a is 5-35 °.

More preferably, the angle between the turning part 41b and the through hole part 41a is 15-30 ° for better discharging the debris part in the tea leaves on one hand and better blocking the stem part of the tea leaves on the other hand.

Preferably, the folded portion 41b and the through hole portion 41a in the present embodiment are integrally formed, and share a connecting portion 41c therebetween. In the present example, the mesh 41 can be produced by the following two methods: 1. firstly, cutting a required through hole part 41a shape on a screen 40 by using laser, and after the cutting is finished, knocking the inner part cut by the laser downwards by an operator to bend the inner part to a required inclination angle; 2. according to the shape of the required mesh 41, the screen mesh 40 is directly punched by a punch and then turned over.

Specifically, the through hole portion 41a in this embodiment has a rectangular shape, an isosceles trapezoid shape, a triangular shape, or an arcuate shape, and accordingly, the folded portion 41b has a shape adapted to the through hole portion 41 a. Specifically, as shown in fig. 3, the through hole portion 41a has a triangular shape; the through hole portion 41a shown in fig. 4 has an isosceles trapezoid shape.

Preferably, the sieve bed 4 includes a frame 42 in the shape of a "U"; the bottom of the surrounding frame 42 is fixedly connected with a screen 40.

Preferably, the vibration device 2 is composed of a vibration motor 20, a connecting cross bar 21 and a fixing plate 22; the two fixing plates 22 are symmetrically arranged on the left side part and the right side part of the enclosing frame 42 respectively; the opposite end surfaces of the fixing plates 22 are fixedly connected through a connecting cross rod 21; one vibration motor 20 is fixedly installed corresponding to each fixing plate 22. The vibration motor 20 in the present embodiment may be an MVE series three-phase asynchronous motor series available from shaoxing crouchon vibration machine limited.

Preferably, in order to facilitate shaking of tea leaves, a feed hopper 5 is arranged above a feed port end of the sieve bed 4, a breaking chamber 6 is arranged at the tail end of a discharge port of the feed hopper 5, and a breaking roller is arranged in the breaking chamber 6; the scattering chamber 6 is fixed on the frame 1 through a support frame 7. Adopt above-mentioned design, can throw the material through feeder hopper 5, the tealeaves that the end came out in feeder hopper 5 breaks up the roller that breaks up that is equipped with in breaking up the room 6 and breaks up and fall into to the feed inlet department of sieve bed 4 after deblocking to begin to tremble the sieve under vibrating device 2's vibration effect.

In addition, a tea scrap collecting hopper can be arranged below the sieve bed 4, so that scraps which are shaken under the sieve can be conveniently collected.

The utility model discloses a theory of operation:

the tea leaves falling from the feed hopper are scattered and deblocked by scattering rollers arranged in the scattering chamber 6, so that the tea leaves are scattered, and the subsequent shaking and screening are facilitated; the tea leaves after being scattered and deblocked enter a screen 40 in the sieve bed 4, the vibration device 2 drives the sieve bed 4 to vibrate, and the damping device 3 is used for damping the vibration process of the sieve bed 4; under the vibrating action of the vibrating device 2, tea leaves on the screen 40 move towards the discharging direction of the screen bed 4, and in the vibrating motion process, when the tea leaves pass through the screen holes 41 on the screen 40, the screening work of the fragment part is completed, and the tea leaves after the screening and impurity removal are finally discharged from the discharging end of the screen bed 4 under the vibrating driving action of the vibrating device.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. A tea shaking and screening machine comprises a rack (1), a vibration device (2), a damping device (3), a screening bed (4) and a screen (40) arranged in the screening bed (4), wherein a plurality of screen holes (41) are formed in the screen (40); the sieve bed (4) is connected with the frame (1) through a damping device (3); the method is characterized in that: the sieve holes (41) are composed of through hole parts (41 a) and folding parts (41 b); the turnover part (41 b) and the through hole part (41 a) are respectively provided with a connecting part (41 c) for being connected with each other, and the connecting part (41 c) is vertical to the discharging direction of the tea leaves after vibration; the turnover part (41 b) is plate-shaped, the turnover part is inclined downwards from one end of the connecting part (41 c) to the tea feeding direction, and the lower end of the turnover part (41 b) is positioned below the lower surface of the screen (40); the through hole part (41 a) and the peripheral position of the horizontal projection of the folding part (41 b) are overlapped.

2. A tea leaf shaking and screening machine according to claim 1, characterized in that: the included angle between the turnover part (41 b) and the through hole part (41 a) is 5-35 degrees.

3. A tea leaf shaking and screening machine according to claim 2, characterized in that: the included angle between the turning part (41 b) and the through hole part (41 a) is 15-30 degrees.

4. A tea leaf shaking and screening machine according to claim 2 or 3, characterized in that: the folding part (41 b) and the through hole part (41 a) are arranged in an integrated manner, and the folding part and the through hole part share one connecting part (41 c).

5. A tea leaf shaking and screening machine according to claim 4, characterized in that: the through hole part (41 a) is rectangular, isosceles trapezoid, triangular or arch; correspondingly, the shape of the folded part (41 b) is matched with that of the through hole part (41 a).

6. A tea leaf shaking and screening machine according to claim 5, characterized in that: the sieve bed (4) comprises a U-shaped surrounding frame (42); the bottom of the surrounding frame (42) is fixedly connected with a screen (40).

7. A tea leaf shaking and screening machine according to claim 6, characterized in that: the vibration device (2) consists of a vibration motor (20), a connecting cross rod (21) and a fixing plate (22); the two fixing plates (22) are symmetrically arranged on the left side part and the right side part of the surrounding frame (42) respectively; the opposite end surfaces of the fixing plates (22) are fixedly connected through a connecting cross rod (21); a vibration motor (20) is fixedly arranged corresponding to each fixing plate (22).

8. A tea leaf shaking and screening machine according to claim 7, characterized in that: a feed hopper (5) is arranged above the feed inlet end of the sieve bed (4), a breaking chamber (6) is arranged at the tail end of the discharge outlet of the feed hopper (5), and a breaking roller is arranged in the breaking chamber (6); the scattering chamber (6) is fixed on the frame (1) through a support frame (7).