CN215695671U

CN215695671U - Reciprocating sieve is used in Fu tea processing

Info

Publication number: CN215695671U
Application number: CN202121723686.9U
Authority: CN
Inventors: 姚坚; 余智勇; 黄甜; 安茂强
Original assignee: Yiyang Tea Factory Co ltd
Current assignee: Yiyang Tea Factory Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-02-01
Anticipated expiration: 2031-07-27

Abstract

The utility model discloses a vibrating screen for processing Fuzhuan tea, which belongs to the technical field of tea screening equipment and comprises a screening bin, a discharge port, a screen, a vibration driving unit and a separation bin, wherein the bottom of the separation bin is open and is provided with a bottom plate, a fine screen with the lower end extending to the outside of the separation bin is obliquely installed in the separation bin, a discharge chute for the inclined lower end of the fine screen to penetrate out is arranged on the outer wall of the separation bin, a collection port communicated with the inside of the separation bin is arranged at the lower end of the discharge chute, and a cleaning assembly is arranged in the separation bin. Through setting up the fine mesh in separation storehouse and the separation storehouse, can filter once more to the tealeaves raw materials after screening via vibrations, separate out garrulous end in the tealeaves raw materials and tealeaves, in the garrulous end of tealeaves that separates falls into the separation storehouse, and clear up garrulous end of tealeaves by the clearance subassembly to filter garrulous end of tealeaves, through setting up the electromagnetic shaker, with the separation screening efficiency that vibrations effort promoted garrulous end of tealeaves.

Description

Reciprocating sieve is used in Fu tea processing

Technical Field

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

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%.

According to the Chinese patent No. CN207521278U, the tea leaf vibrating screen comprises a vibrating screen cover, wherein a feed inlet is formed in one end of the vibrating screen cover, a shell is arranged below the vibrating screen cover, a fixing plate is arranged on one side of the shell, a spring is arranged at one end of the fixing plate, a noise reduction plate is arranged at one end of the spring, a hollow rubber column is arranged in the noise reduction plate, a fixing base is arranged on one side of the noise reduction plate, and a fixing rod is arranged on one side of the fixing base; through the designed protection spring on the screen, when the vibrating screen works, the protection spring can play a role in protecting and buffering, an impact force is generated when materials fall onto the screen of the vibrating screen from the feeding hole, and the protection spring plays a role in buffering to prevent the screen from being damaged; the noise reduction plates at the two ends of the spring on the fixed base can reduce noise caused by the spring when the vibrating screen works, and the problems that a screen of the vibrating screen is easy to damage and the noise is large in the prior art are solved.

Shale shaker among the prior art is when carrying out vibrations screening to tealeaves raw materials, has the inconvenient garrulous end to in the tealeaves raw materials and screens, and the inconvenient problem of collecting of garrulous end.

In order to solve the problems, a vibrating screen for processing Fu tea is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a vibrating screen for processing Fu tea, and in order to solve the technical problems, the utility model provides the following technical scheme:

the utility model provides a vibrating screen for processing Fuzhuan tea, which comprises a screening bin with an open top, wherein a discharge port is formed in the bottom of the screening bin, a screen is hinged in the screening bin, the screen is driven by a vibration driving unit to vibrate up and down along a hinge joint with the screening bin, a separating bin communicated with the interior of the discharge port is arranged at the bottom of the screening bin, a bottom plate is arranged at the open bottom of the separating bin, a fine screen with the lower end extending to the exterior of the separating bin is obliquely arranged in the separating bin, a discharge groove for the inclined lower end of the fine screen to penetrate out is formed in the outer wall of the separating bin, a collecting port communicated with the interior of the separating bin is formed in the lower end of the separating bin, and a cleaning assembly is arranged in the separating bin.

Preferably, two inclined plates are symmetrically arranged in the screening bin along the central line of the screening bin, the two inclined plates are positioned above the screen, and opposite ends of the two inclined plates enclose a blanking space.

Preferably, the vibration driving unit comprises a rotating wheel which is horizontally and rotatably connected in the screening bin, a swinging rod is hinged to the end face of the rotating wheel, and one end, far away from the rotating wheel, of the swinging rod is hinged to the screen.

Preferably, a protective cover with an open top is arranged on the screen.

Preferably, horizontal rotation is connected with the dwang in the screening storehouse, the dwang is located the screen cloth below, and is located the discharge gate top, it is located be equipped with a plurality of stirring rods that turn over along its axial array on the position in the screening storehouse.

Preferably, at least one vibrator is arranged at the bottom of the fine screen.

Preferably, the cleaning assembly comprises a ball screw horizontally and rotatably connected in the separation bin, the ball screw is driven to rotate by a servo motor arranged on the outer wall of the separation bin, a screw nut is sleeved on the ball screw in a threaded manner, a transverse moving seat is sleeved on the screw nut, and a brush plate is arranged at the bottom of the transverse moving seat.

Preferably, a guide rod is horizontally and fixedly connected in the separation bin, and a through hole for the guide rod to freely pass through is formed in the transverse moving seat.

Compared with the prior art, the utility model has the beneficial effects that: through setting up the fine mesh in separation storehouse and the separation storehouse, can filter once more to the tealeaves raw materials after screening via vibrations, separate out garrulous end in the tealeaves raw materials and tealeaves, in the garrulous end of tealeaves that separates falls into the separation storehouse, and clear up garrulous end of tealeaves by the clearance subassembly to filter garrulous end of tealeaves, through setting up the electromagnetic shaker, with the separation screening efficiency that vibrations effort promoted garrulous end of tealeaves.

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 vibrating screen 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-ball screw, 2-collection port, 3-vibrator, 4-discharge port, 5-rotating wheel, 6-protective cover, 7-inclined plate, 8-screening bin, 9-screen, 10-stirring rod, 11-separation bin, 12-discharge chute, 13-fine screen, 14-guide rod, 15-servo motor, 16-bottom plate, 17-oscillating rod, 18-transverse moving seat, 19-screw nut and 20-brush plate.

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 vibrating screen for Fu tea processing comprises a screening bin 8 with an open top, a worker puts tea raw materials into the screening bin 8 from the mouth of the screening bin 8, the bottom of the screening bin 8 is provided with a discharge hole 4, and the interior of the screening bin 8 is hinged with a screen 9, two inclined plates 7 are symmetrically arranged in the screening bin 8 along the central line thereof, the two inclined plates 7 are positioned above the screen 9, and opposite ends of the two inclined plates enclose a blanking space, so that after the tea raw materials are put into the screening bin 8, the tea raw materials can fall into the middle of the screen 9 from the blanking space through the guidance of the inclined plates 7, the sprinkling phenomenon caused by the falling of the screen 9 into the edge of the screen 9 is avoided, the screen 9 is driven by a vibration driving unit to vibrate up and down along the hinged position with the screening bin 8, the vibration driving unit comprises a rotating wheel 5 which is horizontally and rotatably connected in the screening bin 8, a swinging rod 17 is hinged on the end surface of the rotating wheel 5, the end of the oscillating rod 17 far away from the rotating wheel 5 is hinged with the screen cloth 9, the rotating wheel 5 is driven to rotate by an external motor, so that the oscillating rod 17 moves up and down, and further the screen cloth 9 can be driven to swing up and down along the hinged part with the screening bin 8, thus the screen cloth 9 can realize the vibration screening of tea raw materials, the screen cloth 9 is provided with a protective cover 6 with an open top, the tea raw materials falling into the screen cloth 9 can be blocked by arranging the protective cover 6, the tea raw materials are prevented from falling off from the screen cloth 9, the bottom of the screening bin 8 is provided with a separation bin 11 communicated with the inside of the discharge port 4, the screening bin 8 is horizontally and rotatably connected with a rotating rod, the rotating rod is positioned below the screen cloth 9 and above the discharge port 4, the part positioned in the screening bin 8 is provided with a plurality of stirring rods 10 along the axial array thereof, and the stirring rods 10 can stir the tea raw materials falling into the discharge port 4 by the rotation of the stirring rods 10, and then can control the speed that the tea raw materials fall into the separation bin 11, or make the tea raw materials can fall into the separation bin 11 by even dispersion, the bottom of the separation bin 11 is open and is equipped with the bottom plate 16, the separation bin 11 is internally and obliquely equipped with the fine screen 13 with the lower end extending to the outside of the separation bin 11, the tea raw materials falling into the separation bin 11 fall into the fine screen 13, the outer wall of the separation bin 11 is equipped with the discharging chute 12 through which the inclined lower end of the fine screen 13 penetrates, the bottom of the fine screen 13 is equipped with at least one vibrator 3, through setting up the vibrator 3, and then can carry out vibration screening on the tea raw materials on the fine screen 13, make the tea raw materials slide into the discharging chute 12 along the fine screen 13 to be collected, meanwhile, the broken ends in the tea raw materials fall into the separation bin 11 through the screening of the fine screen 13, so as to collect the broken ends, the lower end of the separation bin 11 is equipped with the collection port 2 communicated with the interior, the separation bin 11 is equipped with a cleaning assembly, the cleaning assembly comprises a ball screw 1 which is horizontally and rotatably connected in the separation bin 11, the ball screw 1 is driven to rotate by a servo motor 15 installed on the outer wall of the separation bin 11, a screw nut 19 is sleeved on the ball screw 1, a transverse moving seat 18 is sleeved on the screw nut 19, a brush plate 20 is arranged at the bottom of the transverse moving seat 18, an external power supply is switched on, the servo motor 15 is started, the servo motor 15 drives the ball screw 1 to rotate, the screw nut 19 drives the transverse moving seat 18 to move horizontally, the broken tea leaves accumulated on the inner bottom wall of the separation bin 11 are driven to a collection port 2 by bristles on the brush plate 20, the tea leaves are collected, a guide rod 14 is horizontally and fixedly connected in the separation bin 11, a through hole for the guide rod 14 to pass freely is formed in the transverse moving seat 18, and the transverse moving seat 18 can be guided by the guide rod 14.

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 vibrating screen for Fuzhuan tea processing comprises a screening bin (8) with an open top, a discharge hole (4) is formed in the bottom of the screening bin (8), and a screen (9) is hinged in the screen, the screen (9) is driven by a vibration driving unit to vibrate up and down along the hinged part of the screen and the screening bin (8), it is characterized in that a separation bin (11) communicated with the interior of the discharge hole (4) is arranged at the bottom of the screening bin (8), the bottom of the separation bin (11) is open and is provided with a bottom plate (16), a fine screen (13) with the lower end extending to the outside of the separation bin (11) is obliquely arranged in the separation bin (11), a discharge chute (12) for the inclined lower end of the fine screen (13) to penetrate out is arranged on the outer wall of the separation bin (11), the lower end of the separator is provided with a collecting port (2) communicated with the interior of the separator, and a cleaning assembly is arranged in the separation bin (11).

2. The vibrating screen for Fu tea processing as claimed in claim 1, wherein two inclined plates (7) are symmetrically arranged in the screening bin (8) along the central line thereof, the two inclined plates (7) are positioned above the screen mesh (9), and the opposite ends of the two inclined plates enclose a blanking space.

3. The vibrating screen for Fu tea processing as claimed in claim 1, wherein the vibrating drive unit comprises a rotating wheel (5) horizontally and rotatably connected in the screening bin (8), an end face of the rotating wheel (5) is hinged with a swinging rod (17), and one end of the swinging rod (17) far away from the rotating wheel (5) is hinged with the screen (9).

4. The vibrating screen for Fu tea processing as claimed in claim 1, wherein the screen mesh (9) is provided with a protective cover (6) with an open top.

5. The vibrating screen for Fu tea processing as claimed in claim 1, wherein a rotating rod is horizontally and rotatably connected in the screening bin (8), the rotating rod is located below the screen (9) and above the discharge hole (4), and a plurality of stirring rods (10) are arranged on the portion of the rotating rod located in the screening bin (8) along the axial direction of the rotating rod.

6. The vibrating screen for Fu tea processing as claimed in claim 1, wherein the bottom of the fine screen mesh (13) is provided with at least one vibrator (3).

7. The vibrating screen for Fu tea processing as claimed in claim 1, wherein the cleaning assembly comprises a ball screw (1) horizontally and rotatably connected in the separating bin (11), the ball screw (1) is driven to rotate by a servo motor (15) installed on the outer wall of the separating bin (11), a screw nut (19) is screwed on the ball screw, a transverse moving seat (18) is sleeved on the screw nut (19), and a brush plate (20) is arranged at the bottom of the transverse moving seat (18).

8. The vibrating screen for Fu tea processing as claimed in claim 7, wherein the separating bin (11) is horizontally and fixedly connected with a guide rod (14), and the traversing seat (18) is provided with a through hole for the guide rod (14) to freely pass through.