CN209935259U

CN209935259U - Tea screening machine

Info

Publication number: CN209935259U
Application number: CN201920360279.2U
Authority: CN
Inventors: 黄忠咪
Original assignee: Fujian Wufeng Agroforestry Development Co Ltd
Current assignee: Fujian Wufeng Agroforestry Development Co Ltd
Priority date: 2019-03-21
Filing date: 2019-03-21
Publication date: 2020-01-14
Anticipated expiration: 2029-03-21

Abstract

The utility model relates to a tea screening machine, which comprises a frame and a screening box arranged on the frame, wherein the top of the screening box is provided with a feeding channel with a net-shaped side wall; a feeding hopper is arranged above the feeding channel, and a dust removal fan is arranged outside the side wall of the feeding channel; a first vibrating screen and a second vibrating screen which are inclined downwards are arranged in the screening box, the first vibrating screen is arranged above the second vibrating screen, and the first vibrating screen and the second vibrating screen are respectively arranged on the inner walls of two opposite sides of the screening box; vibrators are arranged on the first vibrating screen and the second vibrating screen to enable the first vibrating screen and the second vibrating screen to vibrate; a discharge port is formed below the second vibrating screen, and a discharge baffle is arranged on the discharge port; the bottom of the screening box is provided with a drawer type sundry net disc. The utility model discloses when having increased tealeaves screening precision and efficiency, reduced the area of machinery, made things convenient for production.

Description

Tea screening machine

Technical Field

The utility model relates to a tealeaves sieve separator belongs to tealeaves equipment field.

Background

The screening of tea leaves is generally the last step of tea leaf production, and dust, tea stalks and tea leaf scraps in the tea leaves are removed from the dried tea leaves, so that relatively complete tea leaves are reserved.

The traditional tea screening is generally carried out by air separation and screen screening, and although the air separation efficiency is high, the screening precision is relatively low; and the transmission screen sieve separator generally needs to adopt great screen cloth in order to guarantee efficiency for the sieve separator needs to occupy great area, inconvenient production.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a tea screening machine, this tea screening machine have combined the characteristic of selection by winnowing and screen cloth screening, when having increased tealeaves screening precision and efficiency, have reduced mechanical area, have made things convenient for production.

The technical scheme of the utility model as follows: a tea screening machine comprises a rack and a screening box arranged on the rack, wherein a feeding channel with a net-shaped side wall is arranged at the top of the screening box; a feeding hopper is arranged above the feeding channel, and a dust removal fan is arranged outside the side wall of the feeding channel;

a first vibrating screen and a second vibrating screen which are inclined downwards are arranged in the screening box, the first vibrating screen is arranged above the second vibrating screen, and the first vibrating screen and the second vibrating screen are respectively arranged on the inner walls of two opposite sides of the screening box, so that tea leaves are rolled from the first vibrating screen to the second vibrating screen after being thrown from the feeding channel; vibrators are arranged on the first vibrating screen and the second vibrating screen to enable the first vibrating screen and the second vibrating screen to vibrate;

a discharge hole is formed below the second vibrating screen, a discharge baffle is arranged on the discharge hole, and the tea leaves roll down from the second vibrating screen to the discharge baffle and then slide out from the discharge hole;

the bottom of the screening box is provided with a drawer type sundry net disc.

Further, springs are arranged between the first vibrating screen and the screening box, and between the second vibrating screen and the screening box.

Further, an object blocking plate is arranged above the spring.

Further, the top of screening case still is provided with the screening fan, the screening fan is to the interior air supply of screening case.

The utility model discloses following beneficial effect has: the dust on the tea leaves, the complete tea leaves, tea leaf scraps and tea stalks can be screened, so that the production of the tea leaves is facilitated; the multi-stage screening also increases the precision of tea screening, and ensures the quality of the produced tea; the screening process from top to bottom has also reduced the area of tealeaves sieve separator, has reduced the demand on the place of tealeaves sieve separator.

Drawings

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

the reference numbers in the figures denote:

1. a frame;

2. a screening box; 21. a first vibratory screen; 22. a second vibratory screen; 23. a vibrator; 24. a discharge port; 25. a discharge baffle; 26. drawer type sundries net plate; 27. a spring; 28. an object blocking plate; 29. screening a fan;

3. a feeding channel; 31. feeding into a hopper; 32. a dust removal fan.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1, a tea screening machine comprises a frame 1 and a screening box 2 arranged on the frame 1, wherein a feeding channel 3 with a net-shaped side wall is arranged at the top of the screening box 2; a feeding hopper 31 is arranged above the feeding channel 3, and a dust removal fan 32 is arranged outside the side wall of the feeding channel 3;

a first vibrating screen 21 and a second vibrating screen 22 which are inclined downwards are arranged in the screening box 2, the first vibrating screen 21 is arranged above the second vibrating screen 22, and the first vibrating screen and the second vibrating screen 22 are respectively arranged on the inner walls of two opposite sides of the screening box 2, so that tea leaves are fed from the feeding channel 3 and then roll from the first vibrating screen 21 to the second vibrating screen 22; the first vibrating screen 21 and the second vibrating screen 22 are provided with vibrators 23 to vibrate;

a discharge port 24 is arranged below the second vibrating screen 22, a discharge baffle 25 is arranged on the discharge port 24, and the tea leaves roll down from the second vibrating screen 22 to the discharge baffle 25 and then slide out from the discharge port 24;

the bottom of the screening box 2 is provided with a drawer type sundries net disk 26.

The utility model discloses a working process does: starting the dust removal fan 32 and the vibrator 23, putting the tea leaves into the hopper 31, allowing the tea leaves to fall through the feeding channel 3, blowing off dust on the tea leaves by the dust removal fan 32, allowing the tea leaves to fall into the first vibrating screen 21, and allowing tea leaf scraps and tea stems to directly and vertically fall down and pass through the second vibrating screen 22 and then fall into the drawer type sundries net disc 26 due to small volume; the complete tea leaves roll downwards on the first vibrating screen 21 due to the large volume and fall into the second vibrating screen 22, the second vibrating screen 22 performs secondary screening, the complete tea leaves continuously roll downwards to the discharging baffle 25 and then slide out of the discharging hole 24, and the tea stalks and tea leaf fragments pass through the second screen and fall into the drawer type sundries net disc 26.

The utility model provides a tea screening machine, which can screen dust, complete tea, tea scraps and tea stalks on tea, and is convenient for tea production; the multi-stage screening also increases the precision of tea screening, and ensures the quality of the produced tea; the screening process from top to bottom has also reduced the area of tealeaves sieve separator, has reduced the demand on the place of tealeaves sieve separator.

Further, a spring 27 is provided between the first and second

vibratory screens

21 and 22 and the screen box 2.

As can be seen from the above description, the amplitude of the vibration of the first and

second vibration screens

21 and 22 can be increased by the arrangement of the spring 27, so that the screening effect is better.

Further, a stopper plate 28 is disposed above the spring 27.

As can be seen from the above description, by the arrangement of the blocking plate 28, the tea leaves can be prevented from falling into the spring 27, which causes the performance of the spring 27 to be reduced.

Further, the top of screening case 2 still is provided with screening fan 29, screening fan 29 is to the interior air supply of screening case 2.

As can be seen from the above description, the tea dust and tea stem adhering to the tea leaves can be more easily separated by the arrangement of the sifting fan 29.

Example one

As shown in fig. 1, the tea screening machine comprises a frame 1 and a screening box 2 arranged on the frame 1, wherein a feeding channel 3 with a net-shaped side wall is arranged at the top of the screening box 2; a feeding hopper 31 is arranged above the feeding channel 3, and a dust removal fan 32 is arranged outside the side wall of the feeding channel 3; a first vibrating screen 21 and a second vibrating screen 22 which are inclined downwards are arranged in the screening box 2, the first vibrating screen 21 is arranged above the second vibrating screen 22, and the first vibrating screen and the second vibrating screen 22 are respectively arranged on the inner walls of two opposite sides of the screening box 2, so that tea leaves are fed from the feeding channel 3 and then roll from the first vibrating screen 21 to the second vibrating screen 22; the first vibrating screen 21 and the second vibrating screen 22 are provided with vibrators 23 to vibrate; a discharge port 24 is arranged below the second vibrating screen 22, a discharge baffle 25 is arranged on the discharge port 24, and the tea leaves roll down from the second vibrating screen 22 to the discharge baffle 25 and then slide out from the discharge port 24; the bottom of the screening box 2 is provided with a drawer type sundries net disc 26; a spring 27 is arranged between the first vibrating screen 21 and the second vibrating screen 22 and the screening box 2; an object blocking plate 28 is arranged above the spring 27; the top of screening case 2 still is provided with screening fan 29, screening fan 29 is to the interior air supply of screening case 2.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a tealeaves sieve separator which characterized in that: the screening machine comprises a rack (1) and a screening box (2) arranged on the rack (1), wherein a feeding channel (3) with a net-shaped side wall is arranged at the top of the screening box (2); a feeding hopper (31) is arranged above the feeding channel (3), and a dust removal fan (32) is arranged outside the side wall of the feeding channel (3);

a first vibrating screen (21) and a second vibrating screen (22) which incline downwards are arranged in the screening box (2), the first vibrating screen (21) is arranged above the second vibrating screen (22), and the first vibrating screen (21) and the second vibrating screen (22) are respectively arranged on the inner walls of two opposite sides of the screening box (2), so that tea leaves are thrown from the feeding channel (3) and then roll from the first vibrating screen (21) to the second vibrating screen (22); the first vibrating screen (21) and the second vibrating screen (22) are provided with vibrators (23) for vibrating;

a discharge hole (24) is formed below the second vibrating screen (22), a discharge baffle (25) is arranged on the discharge hole (24), and tea leaves roll down from the second vibrating screen (22) to the discharge baffle (25) and then slide out from the discharge hole (24);

the bottom of the screening box (2) is provided with a drawer type sundries net disc (26).

2. The tea screening machine of claim 1, wherein: and springs (27) are arranged between the first vibrating screen (21) and the screening box (2) and between the second vibrating screen (22) and the screening box.

3. The tea screening machine of claim 2, wherein: an object blocking plate (28) is arranged above the spring (27).

4. The tea screening machine of claim 1, wherein: the top of screening case (2) still is provided with screening fan (29), screening fan (29) is to the interior air supply of screening case (2).