CN109821733B

CN109821733B - Tea screening device

Info

Publication number: CN109821733B
Application number: CN201910086830.3A
Authority: CN
Inventors: 闵猛; 闵珑鑫; 朱梦
Original assignee: Hunan Xingsheng Tea Technology Co ltd
Current assignee: Hunan Xingsheng Tea Technology Co ltd
Priority date: 2019-01-29
Filing date: 2019-01-29
Publication date: 2021-05-11
Anticipated expiration: 2039-01-29
Also published as: CN109821733A

Abstract

The invention provides a tea screening device which comprises a rack, a feeding hopper, an anti-blocking mechanism and screening mechanisms, wherein the anti-blocking mechanism comprises linear driving mechanisms, connecting plates, a supporting frame, an ejector plate and an ejector pin, two of the three linear driving mechanisms are respectively arranged on two sides of the rack, two ends of each connecting plate are respectively arranged on the two linear driving mechanisms on the two sides of the rack, the linear driving mechanisms which are not arranged on the rack are arranged on the connecting plates through bolts, the ejector plate is arranged on the linear driving mechanisms on the connecting plates through the supporting frame, and a plurality of screening mechanisms are equidistantly arranged in the rack. Drive sieve box round trip swing and will sieve the box at the in-process baffle of sieve box wobbling and carry out the banding, and then tealeaves can carry out long-time screening in the sieve box and increased the screening effect, drive the ejector plate through sharp actuating mechanism and dredge the sieve mesh in the sieve box, and then avoided tealeaves to block up the condition of the influence screening efficiency that the sieve mesh arouses.

Description

Tea screening device

Technical Field

The invention relates to the technical field of tea processing, in particular to a tea screening device.

Background

The tea drink is not only a traditional food culture, but also has certain effect on eliminating free radicals because the tea contains various antioxidant substances and antioxidant nutrients. Therefore, the anti-aging tea is helpful for preventing aging when being drunk, has the health care function, and can play the anti-aging role when two or three cups of tea are drunk every day. The tea leaves contain various vitamins and amino acids, and the tea has certain effects of removing grease, enhancing nerve excitation, promoting digestion and promoting urination when being drunk. In the process of making tea, the tea leaves are different in size and shape and different in product grade, so the tea leaves are subjected to a tea screening process before making.

Publication No. CN108097577A provides a three-degree-of-freedom spatial cam-type vibrating screen, in which a driving device drives a screen box to swing to realize screening, but the device screens a material only through one screen box, and then the material to be screened in multiple stages cannot be screened by the device, and the anti-blocking treatment cannot be performed during the screening process.

The utility model provides a dedicated tealeaves sieving mechanism is planted to tealeaves that publication number is CN207787013U, this device can prevent the sieve mesh jam on the sieve tube through air jet system, guarantees the screening effect, but the sieve tube is carrying out rotatory when screening tealeaves the time that air jet system aimed at the sieve mesh so can't guarantee that the sieve mesh is thoroughly dredged for short.

Disclosure of Invention

The invention aims to provide a tea screening device to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a tealeaves sieving mechanism, includes the frame, goes into the hopper, prevents stifled mechanism and screening mechanism, wherein:

the anti-blocking mechanism comprises linear driving mechanisms, a connecting plate, a supporting frame, an ejector pin plate and ejector pins, two of the three linear driving mechanisms are respectively installed on two sides of the rack, two ends of the connecting plate are respectively installed on the two linear driving mechanisms located on two sides of the rack, the linear driving mechanisms which are not installed on the rack are installed on the connecting plate through bolts, the ejector pin plate is fixedly installed on the linear driving mechanisms located on the connecting plate through the supporting frame, and the ejector pins are installed on the ejector pin plate at equal intervals; and

a plurality of screening mechanism equidistance is installed inside the frame.

Preferably, the linear driving mechanism comprises a linear guide rail and a linear motor, and the linear motor is installed on the linear guide rail in a matching manner.

Preferably, the linear guide rails on the linear driving mechanisms on the two sides of the rack are installed on the rack through bolts, the two ends of the connecting plate are respectively and fixedly installed on the linear motors on the linear driving mechanisms on the two sides of the rack, the linear guide rails on the linear driving mechanisms not installed on the rack are installed on the connecting plate through bolts, and the ejector plate is fixedly installed at the other end of the supporting frame on the linear motor on the linear driving mechanism not installed on the rack through bolts.

Preferably, screening mechanism includes sieve box, revolving cylinder, baffle and biax cylinder, the bearing installation is passed through in the frame at the both ends of sieve box, revolving cylinder fixed mounting is in the outside of frame, its power take off end and sieve box fixed connection, baffle movable mounting is in the sieve box, biax cylinder fixed mounting is in the sieve box outside, its power take off end and baffle fixed connection.

Preferably, a plurality of sieve holes are arranged in the sieve box at equal intervals, the number of the sieve holes is the same as that of the ejector pins, and the distance between every two adjacent ejector pins is the same as that between every two adjacent sieve holes.

Preferably, the screen boxes are gradually reduced in diameter from the top end of the frame to the screen holes in the screen boxes.

Preferably, the feeding hopper is fixedly installed at the top of the rack, and a material baffle is arranged in the feeding hopper.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the tea leaf screening machine, the rotary cylinder drives the screen frame to swing back and forth, the baffle plate seals the edge of the screen frame in the swinging process of the screen frame, and therefore tea leaves can be screened in the screen frame for a long time, and the screening effect is improved.

2. According to the tea leaf screening machine, the ejector pin plate is driven by the linear driving mechanism to dredge the sieve pores in the sieve frame, so that the condition that the screening efficiency is influenced due to the fact that the tea leaves block the sieve pores is avoided, and the ejector pins and the sieve pores can be dredged because the number of the ejector pins is the same as that of the sieve pores.

Drawings

FIG. 1 is a three-dimensional schematic view of the overall structure of the present invention;

FIG. 2 is a three-dimensional schematic view of an anti-blocking mechanism according to the present invention;

FIG. 3 is a three-dimensional schematic view of a screening mechanism of the present invention.

In the figure: the screening machine comprises a machine frame 1, a feeding hopper 2, an anti-blocking mechanism 3, a screening mechanism 4, a material baffle 21, a linear driving mechanism 31, a connecting plate 32, a supporting frame 33, an ejector plate 34, an ejector pin 35, a linear guide rail 311, a linear motor 312, a screen box 41, a rotary air cylinder 42, a baffle 43, a double-shaft air cylinder 44 and a screen hole 411.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

referring to fig. 1 to 3, the present invention provides a technical solution:

the utility model provides a tealeaves sieving mechanism, includes frame 1, income hopper 2, prevents stifled mechanism 3 and screening mechanism 4, wherein:

the top of the frame 1 is provided with a rectangular feeding port, the feeding hopper 2 is fixedly arranged at the top of the frame 1, the bottom of the feeding hopper 2 is fit in the rectangular feeding port, and a material baffle plate 21 is arranged in the feeding hopper 2, wherein the material baffle plate 21 can be drawn back and forth in the feeding hopper 2;

the anti-blocking mechanism 3 comprises a linear driving mechanism 31, a connecting plate 32, a supporting frame 33, an ejector plate 34 and an ejector pin 35, the linear driving mechanism 31 comprises a linear guide rail 311 and a linear motor 312, the linear motor 312 is installed on the linear guide rail 311 in a matching way, and then the linear motor 312 can move back and forth along the linear guide rail 311 when in operation, the linear guide rails 311 in two linear driving mechanisms 31 of the three linear driving mechanisms 31 are respectively installed on two sides of the frame 1 through bolts, wherein the two linear guide rails 311 are symmetrically arranged, two ends of the connecting plate 32 are respectively fixedly installed on the linear motors 312 in the linear driving mechanisms 31 on two sides of the frame 1 through bolts, and then the connecting plate 32 can move synchronously along with the linear motor 312 when in motion, the linear guide rails 311 in the linear driving mechanisms 31 which are not installed on the frame 1 are installed on the connecting plate 32 through, the linear guide rail 311 is located at the center of the connecting plate 32, one end of the supporting frame 33 is fixedly installed on a linear motor 312 in a linear driving mechanism 31 which is not installed on the rack 1 through a bolt, the other end of the supporting frame is fixedly installed with an ejector plate 34, the ejector plate 34 can synchronously move along with the linear motor 312 in the linear driving mechanism 31 which is not installed on the rack 1, and a plurality of ejector pins 35 are equidistantly installed on the ejector plate 34;

the screening mechanisms 4 are equidistantly arranged inside the rack 1, the number of the screening mechanisms 4 is adjusted according to the size range of tea leaves to be screened, each screening mechanism 4 comprises a screen box 41, a rotary air cylinder 42, a baffle 43 and a double-shaft air cylinder 44, a plurality of screen holes 411 are equidistantly arranged in each screen box 41, the number of the screen holes 411 is the same as that of the ejector pins 35, the distance between every two adjacent ejector pins 35 is the same as that between every two adjacent screen holes 411, the diameters of the screen holes 411 in the screen boxes 41 are gradually reduced from the top end of the rack 1 to the lower part of each screen box 41, the screening effect is achieved in the falling process of the tea leaves, two ends of each screen box 41 are respectively arranged in the rack 1 through bearings, each screen box 41 can rotate in the rack 1, the rotary air cylinders 42 are fixedly arranged on the outer side of the rack 1, the power output ends of the rotary air cylinders 42 are fixedly connected with the screen boxes 41, the double-shaft cylinder 44 is fixedly arranged on the outer side of the screen box 41, and the power output end of the double-shaft cylinder 44 is fixedly connected with the baffle 43.

This device is when screening tealeaves concrete step does: when screening is carried out, tea leaves are poured into the feeding hopper 2, the material baffle plate 21 is drawn out from the feeding hopper 2, the tea leaves fall into the sieve box 41 at the moment, then the power output end of the rotary air cylinder 42 rotates back and forth for a certain angle to drive the sieve box 41 to swing, the tea leaves continuously drop downwards through the sieve holes 411, the screening effect is achieved at the moment, when the sieve holes 411 are blocked, the rotary air cylinder 42 stops moving and keeps the sieve box 41 in a horizontal state, at the moment, the linear motors 312 in the two linear driving mechanisms 31 positioned at two sides of the rack 1 synchronously move to drive the connecting plate 32 to move towards the direction close to the sieve box 41, at the moment, the ejector pin plate 34 synchronously moves along with the connecting plate 32, when the ejector pins 35 on the ejector pin plate 34 are aligned with the sieve holes 411, the linear motors 312 stop moving, at the moment, the linear motors 312 in the linear driving mechanisms 31 not arranged on the rack 1 move, and then the linear motors 312 drive the ejector pin plate, and then reach the effect of dredging the sieve pore 411, each linear motor 312 moves and makes each subassembly move to the initial position after the mediation is accomplished, when needing to dredge the sieve box 41 of different height, at first thimble board 34 moves to the sieve box 41 below of treating the mediation to and there is the clearance between thimble 35 on the thimble board 34 and the sieve pore 411, repeat the above-mentioned step and dredge the hole next, biax cylinder 44 promotes baffle 43 and moves far away from the direction of sieve box 41 after the tealeaves screening is accomplished, and then tealeaves falls out sieve box 41 completely when sieve box 41 swings, biax cylinder 44 promotes baffle 43 and seals sieve box 41 and awaits subsequent screening after tealeaves falls out sieve box 41.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a tealeaves sieving mechanism, includes frame (1), goes into hopper (2), prevents stifled mechanism (3) and screening mechanism (4), its characterized in that:

the anti-blocking mechanism (3) comprises linear driving mechanisms (31), connecting plates (32), supporting frames (33), ejector pins (34) and ejector pins (35), wherein two of the linear driving mechanisms (31) are respectively installed on two sides of the rack (1), two ends of each connecting plate (32) are respectively installed on the two linear driving mechanisms (31) located on two sides of the rack (1), the linear driving mechanisms (31) which are not installed on the rack (1) are installed on the connecting plates (32) through bolts, the ejector pins (34) are fixedly installed on the linear driving mechanisms (31) located on the connecting plates (32) through the supporting frames (33), and the ejector pins (35) are installed on the ejector pins (34) at equal intervals; and

a plurality of screening mechanisms (4) are equidistantly arranged inside the frame (1), the screening mechanisms (4) comprise a screen box (41), a rotary cylinder (42), a baffle (43) and a double-shaft cylinder (44), two ends of the sieve box (41) are arranged in the frame (1) through bearings, a plurality of sieve holes (411) are arranged in the sieve box (41) at equal intervals, the number of the sieve holes (411) is the same as that of the ejector pins (35), the distance between two adjacent ejector pins (35) is the same as that between two adjacent sieve holes (411), the rotary air cylinder (42) is fixedly arranged on the outer side of the rack (1), the power output end of the sieve is fixedly connected with the sieve box (41), the baffle (43) is movably arranged in the sieve box (41), the double-shaft air cylinder (44) is fixedly arranged on the outer side of the screen box (41), and the power output end of the double-shaft air cylinder is fixedly connected with the baffle (43).

2. The tea leaf screening apparatus according to claim 1, wherein: the linear driving mechanism (31) comprises a linear guide rail (311) and a linear motor (312), and the linear motor (312) is installed on the linear guide rail (311) in a matching mode.

3. The tea leaf screening apparatus according to claim 1, wherein: the linear guide (311) that is located on the both sides linear drive mechanism (31) of frame (1) passes through the bolt and installs in frame (1), the both ends of connecting plate (32) fixed mounting respectively is on linear motor (312) that is located on the both sides linear drive mechanism (31) of frame (1), and linear guide (311) on the linear drive mechanism (31) of not installing in frame (1) pass through the bolt and install on connecting plate (32), the one end of support frame (33) is passed through on linear motor (312) of bolt fixed mounting on the linear drive mechanism (31) of not installing in frame (1), other end fixed mounting has thimble board (34).

4. The tea leaf screening apparatus according to claim 1, wherein: the diameters of the sieve boxes (41) are gradually reduced from the top end of the rack (1) to the sieve holes (411) in the sieve boxes (41).

5. The tea leaf screening apparatus according to claim 1, wherein: the feeding hopper (2) is fixedly arranged at the top of the rack (1), and a material baffle (21) is arranged in the feeding hopper (2).