CN215695617U

CN215695617U - Multi-stage screening equipment for Fuzhuan tea processing

Info

Publication number: CN215695617U
Application number: CN202121642734.1U
Authority: CN
Inventors: 陈小春; 黄甜; 安茂强; 姚坚
Original assignee: Yiyang Tea Factory Co ltd
Current assignee: Yiyang Tea Factory Co ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2022-02-01
Anticipated expiration: 2031-07-19

Abstract

The utility model discloses multistage screening equipment for processing Fuzhuan tea in the technical field of tea screening equipment, which comprises a screening bin, a discharge hole, a first screen, a second screen, a buffer assembly, a rotating shaft, a swinging arm and a roller, wherein when the rotating shaft rotates, the roller intermittently abuts against the first screen and the second screen, so that the first screen and the second screen vertically move, and the rotating shaft is arranged between the first screen and the second screen. Through setting up first screen cloth, the second screen cloth, and by the rotation of pivot, make the swing arm rotate, and then make the gyro wheel intermittent type support first screen cloth, the second screen cloth, make first screen cloth, the second screen cloth can shake from top to bottom, effect through vibrations, make the screening efficiency that can promote the tealeaves raw materials, through setting up buffering subassembly, can cushion reciprocating of first screen cloth, the second screen cloth, make first screen cloth simultaneously, the second screen cloth can reset by oneself, in order to cooperate the swing arm, drive first screen cloth, the second screen cloth shakes from top to bottom.

Description

Multi-stage screening equipment for Fuzhuan tea processing

Technical Field

The utility model relates to the technical field of tea screening equipment production, in particular to multistage screening equipment for Fuzhuan tea processing.

Background

Fuzhuan tea belongs to the most distinctive black tea in six major tea types, golden flower is not unique to Fuzhuan tea, and at least eurotium cristatum is found in other old tea. The traditional Fuzhuan tea is typical fully fermented tea and is also classified into post-fermented tea. The Fuzhuan tea produced at present is divided into two categories of special tea and common tea, and the main difference between the two categories is that the raw materials are mixed differently. The specially-made brick takes three-level raw dark green tea as raw materials, and in the raw materials for pressing the common brick, the three-level raw dark green tea only accounts for 40-45%, the four-level raw dark green tea only accounts for 5-10%, and other tea accounts for 50%.

At present, when the Fu tea is processed, tea raw materials are generally required to be classified and screened, the tea raw materials are generally placed in a vibrating screen to be screened when being classified and screened, and the existing vibrating screen is only provided with one layer of screen, so that the screening precision is low, and the grade of the tea raw materials is reduced.

In order to solve the problems, a multi-stage screening device for processing the Fu tea is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides multistage screening equipment for processing Fuzhuan tea, and in order to solve the technical problems, the utility model provides the following technical scheme:

the utility model provides a multi-stage screening device for processing Fuzhuan tea, which comprises a screening bin with an open top, wherein a discharge hole is formed in the bottom of the screening bin, two screens are arranged in the screening bin, the two screens are sequentially defined as a first screen and a second screen from top to bottom, the first screen and the second screen are respectively connected with the inner wall of the screening bin through two buffer components, the two buffer components are respectively used for buffering the up-and-down movement of the first screen and the second screen, a rotating shaft is horizontally and rotatably connected in the screening bin, at least two swing arms are arranged on the rotating shaft along the axial array of the rotating shaft, one ends of the two swing arms far away from the rotating shaft are horizontally and rotatably connected with rollers, when the rotating shaft rotates, the rollers intermittently abut against the first screen and the second screen, so that the first screen and the second screens vertically move, and the rotating shaft is arranged on the first screen, Between the second screens.

Preferably, the horizontal rotation is connected with the actuating lever on the screening storehouse, be equipped with a plurality of stirring rods on the position that the actuating lever extends to in the screening storehouse, its rotation of actuating lever by the agitator motor drive of installing on the screening storehouse outer wall.

Preferably, the buffering component comprises a limiting seat which is symmetrically arranged on the inner wall of the screening bin along the axial direction of the screening bin, a guide post is vertically arranged on the limiting seat, through holes for the guide post to be correspondingly inserted and combined are respectively arranged at two opposite ends of the first screen and the second screen, springs are respectively sleeved at two ends of the guide post penetrating out of the first screen and the second screen, and the springs elastically support against the first screen and the second screen.

Preferably, through connection has the transport storehouse on the discharge gate, carry the storehouse both ends to seal, and its keeps away from the one end of discharge gate is equipped with the bin outlet of oral area down, carry coaxial rotation on the storehouse to be connected with and carry the axle, carry the axle by install its rotation of servo motor drive on carrying the storehouse, and it penetrates the cover is equipped with the spiral and carries the piece on carrying the position in the storehouse, carry storehouse bottom rigid coupling to have the collection storehouse, and be equipped with a plurality of sieve meshes on its outer wall, set up the collection chamber with the sieve mesh intercommunication in collecting the storehouse, it is uncovered to collect the chamber correspondence and collect storehouse axial one side.

Preferably, the longitudinal height of the inner wall of the collection chamber increases progressively towards the vicinity of its mouth.

Compared with the prior art, the utility model has the beneficial effects that: through arranging the first screen and the second screen and rotating the rotating shaft, the swinging arm rotates, and then the roller intermittently abuts against the first screen and the second screen, so that the first screen and the second screen can vibrate up and down, the screening efficiency of tea raw materials can be improved under the action of vibration, through arranging the buffer component, the up-and-down movement of the first screen and the second screen can be buffered, meanwhile, the first screen and the second screen can reset by themselves to be matched with the swinging arm to drive the first screen and the second screen to vibrate up and down, through arranging the conveying bin, the conveying shaft and the spiral conveying piece, through the rotation of the conveying shaft, the spiral conveying piece conveys the tea raw materials falling into the conveying bin from the discharge port to the discharge port, and in the conveying process, the broken powder in the tea raw materials can be collected in the collecting cavity of the collecting bin through the sieve mesh, meanwhile, the screening efficiency of the tea raw materials can be improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic view of the general assembly structure of a multi-stage screening apparatus for processing Fuzhuan tea of the present invention;

FIG. 2 is an enlarged view of a portion of the structure at A in FIG. 1;

fig. 3 is an enlarged schematic view of a partial structure at B in fig. 1.

In the figure: 1-screening bin, 2-stirring rod, 3-driving rod, 4-first screen, 5-roller, 6-second screen, 7-swinging arm, 8-discharging port, 9-stirring motor, 10-servo motor, 11-conveying shaft, 12-collecting bin, 13-spiral conveying sheet, 14-conveying bin, 15-discharging port, 16-sieve hole, 17-limiting seat, 18-spring and 19-guide column.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Examples

As shown in figures 1-3, a multi-stage screening device for processing Fuzhuan tea, comprises a screening bin 1 with an open top, two screens are arranged in the screening bin 1, the two screens are sequentially defined as a first screen 4 and a second screen 6 from top to bottom, a worker puts tea raw materials into the screening bin 1 and firstly piles up on the first screen 4, the first screen 4 and the second screen 6 are respectively connected with the inner wall of the screening bin 1 through two buffering components, the two buffering components are respectively used for buffering the up-and-down movement of the first screen 4 and the second screen 6, the buffering components comprise limiting seats 17 which are symmetrically arranged on the inner wall of the screening bin 1 along the axial direction of the screening bin 1, a guide column 19 is vertically arranged on the limiting seats 17, through holes for the corresponding insertion of the guide column 19 are respectively arranged at the opposite two ends of the first screen 4 and the second screen 6, springs 18 are respectively sleeved at the two ends of the guide column 19 which penetrate through the first screen 4 and the second screen 6, the spring 18 elastically abuts against the first screen 4 and the second screen 6, a rotating shaft is horizontally and rotatably connected in the screening bin 1, at least two swing arms 7 are arranged on the rotating shaft along the axial array, one ends of the two swing arms 7 far away from the rotating shaft are horizontally and rotatably connected with the roller 5, when the rotating shaft rotates, the roller 5 intermittently abuts against the first screen 4 and the second screen 6, and further the first screen 4 and the second screen 6 vertically move, the rotating shaft is arranged between the first screen 4 and the second screen 6, the rotating shaft is driven to rotate by an external motor, the swing arms 7 rotate around the axial direction of the rotating shaft, further the roller 5 intermittently abuts against the first screen 4 and the second screen 6, and drives the first screen 4 and the second screen 6 to respectively move upwards and downwards, after the first screen 4 and the second screen 6 move, the spring is correspondingly elastically compressed and stretched, and when the swing arms 7 continuously rotate, the roller 5 is separated from the abutting state with the first screen 4 and the second screen 6, at the moment, the spring recovers deformation, and further generates elastic abutting force to the first screen 4 and the second screen 6, and further the first screen 4 and the second screen 6 are reset to the original state, the above steps are repeated, so that the first screen 4 and the second screen 6 generate vertical vibration, and during the vertical vibration, the tea raw materials stacked on the first screen 4 and the second screen 6 can be screened, so that the screening efficiency is improved, in addition, the screening chamber 1 is horizontally and rotatably connected with the driving rod 3, the part of the driving rod 3 extending into the screening chamber 1 is provided with a plurality of stirring rods 2, the driving rod 3 is driven to rotate by the stirring motor 9 arranged on the outer wall of the screening chamber 1, the driving rod 3 is rotated by the rotation of the stirring motor 9, so that the plurality of stirring rods 2 on the driving rod 3 are rotated, so as to stir the tea raw materials stacked on the first screen 4, the tea raw material can pass through the first screen 4, and pass through the second-stage screening of the first screen 4 and the second screen 6, so that the coarse stalks and impurities in the tea raw material can be left in the screening bin 1, the tea raw material screened by the second screen 6 falls into the lower end part of the screening bin 1, the bottom of the screening bin 1 is provided with a discharge hole 8, the tea raw material falls into the discharge hole 8, the discharge hole 8 is communicated with a conveying bin 14, the tea raw material falls into the conveying bin 14 from the discharge hole 8, two ends of the conveying bin 14 are closed, one end of the conveying bin far away from the discharge hole 8 is provided with a discharge hole 15 with a downward opening, the conveying bin 14 is coaxially and rotatably connected with a conveying shaft 11, the conveying shaft 11 is driven to rotate by a servo motor 10 arranged on the conveying bin 14, a spiral conveying sheet 13 is sleeved on the part penetrating into the conveying bin 14, the bottom of the conveying bin 14 is fixedly connected with a collecting bin 12, and the outer wall of the collecting bin is provided with a plurality of sieve holes 16, collect the collection chamber of having seted up with 16 intercommunications in the storehouse of sieve mesh 12, it is uncovered to collect the chamber correspondence and collect 12 axial one sides in storehouse, rotate through servo motor 10, the drive is carried axle 11 to rotate, and then drive auger delivery piece 13 rotates, carry with the tealeaves raw materials that falls into by discharge gate 8 in carrying storehouse 14, and carry the tealeaves raw materials to bin outlet 15 department, in the transportation process, garrulous end in the tealeaves raw materials falls into the collection intracavity of collecting storehouse 12 by sieve mesh 16, and then promote the screening classification precision of tealeaves raw materials, collect the vertical highly orientation of intracavity wall in addition and increase gradually towards the direction of neighbouring its oral area, make the garrulous end of tealeaves of screening out along collecting the collection intracavity wall landing of storehouse 12 to outside collection device like this.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A multi-stage screening device for Fuzhuan tea processing comprises a screening bin (1) with an open top, wherein a discharge port (8) is formed in the bottom of the screening bin (1), and is characterized in that two screens are arranged in the screening bin (1), the two screens are sequentially defined as a first screen (4) and a second screen (6) from top to bottom, the first screen (4) and the second screen (6) are respectively connected with the inner wall of the screening bin (1) through two buffer assemblies, the two buffer assemblies are respectively used for buffering the up-and-down movement of the first screen (4) and the second screen (6), a rotating shaft is horizontally and rotatably connected in the screening bin (1), at least two swing arms (7) are arranged on the rotating shaft along the axial array of the rotating shaft, one ends, far away from the rotating shaft, of the two swing arms (7) are horizontally and rotatably connected with idler wheels (5), and when the rotating shaft rotates, the roller (5) intermittently abuts against the first screen (4) and the second screen (6), so that the first screen (4) and the second screen (6) vertically move, and the rotating shaft is arranged between the first screen (4) and the second screen (6).

2. The multi-stage screening device for Fu tea processing according to claim 1, wherein the screening bin (1) is horizontally and rotatably connected with a driving rod (3), a plurality of stirring rods (2) are arranged on the part of the driving rod (3) extending into the screening bin (1), and the driving rod (3) is driven to rotate by a stirring motor (9) arranged on the outer wall of the screening bin (1).

3. The multi-stage screening device for Fu tea processing according to claim 1, wherein the buffering assembly comprises limiting seats (17) symmetrically arranged on the inner wall of the screening bin (1) along the axial direction of the screening bin (1), a guide column (19) is vertically arranged on the limiting seats (17), through holes for the corresponding insertion of the guide column (19) are respectively arranged at the two opposite ends of the first screen (4) and the second screen (6), springs (18) are respectively sleeved at the two ends of the guide column (19) penetrating through the first screen (4) and the second screen (6), and the springs (18) elastically abut against the first screen (4) and the second screen (6).

4. The multi-stage screening apparatus for Fuzhuan tea processing of claim 1, wherein, the discharge port (8) is connected with a conveying bin (14) in a run-through way, two ends of the conveying bin (14) are sealed, and one end of the discharge hole (8) is provided with a discharge hole (15) with a downward opening, the conveying bin (14) is coaxially and rotatably connected with a conveying shaft (11), the conveying shaft (11) is driven to rotate by a servo motor (10) arranged on the conveying bin (14), a spiral conveying piece (13) is sleeved on the part penetrating into the conveying bin (14), a collecting bin (12) is fixedly connected at the bottom of the conveying bin (14), and the outer wall of the collecting bin is provided with a plurality of sieve pores (16), a collecting cavity communicated with the sieve pores (16) is arranged in the collecting bin (12), and the collecting cavity is open corresponding to one axial side of the collecting bin (12).

5. The multi-stage screening apparatus for processing Fuzhuan tea as claimed in claim 4, wherein said collection chamber has an inner wall with a longitudinal height gradually increasing toward the mouth thereof.