CN221334696U

CN221334696U - Tea impurity screening device

Info

Publication number: CN221334696U
Application number: CN202323389879.7U
Authority: CN
Inventors: 杨惠奎; 张茂座; 王桂谋
Original assignee: Fujian Huayu Village Tea Industry Co ltd
Current assignee: Fujian Huayu Village Tea Industry Co ltd
Priority date: 2023-12-12
Filing date: 2023-12-12
Publication date: 2024-07-16
Anticipated expiration: 2033-12-12

Abstract

The utility model relates to a tea impurity screening device which comprises a feeding conveying belt, a magnetic separation assembly, a blanking barrel, an impurity removal assembly and a frame, wherein a filter grid plate is arranged on the inner side of the frame, the impurity removal assembly is arranged on the filter grid plate, and impurities in the impurity removal assembly are collected in a concentrated mode through an aggregate channel. The utility model overcomes the defects that the tea sieving device in the prior art often has no impurity removal and iron removal functions and cannot adjust different heights of tea with different blanking thicknesses, and the iron substances in the tea are sieved out by arranging the strong magnetic device, namely the magnetic separation assembly, at the front end of blanking; the impurity removing assembly is arranged above the machine frame, impurities such as fiber clusters and stems in the tea are removed by utilizing the electrostatic adsorption roller in the impurity removing assembly, meanwhile, the tea is subjected to grade screening through the filter screen grid plate on the inner side of the machine frame, and the tea with different quality is selected, so that grade screening is realized; through setting up the static suction roll that can adjust the lift in the backup pad, can be through altitude mixture control.

Description

Tea impurity screening device

Technical Field

The utility model relates to the technical field of tea production equipment, in particular to a tea impurity screening device.

Background

The tea processing technology is divided into four steps of withering, chopping, fermenting and drying, and on the basis, classification treatment is often needed for separating tea with different specifications and different qualities. The traditional mode is to screen manually, and the liner has high production cost; the screening machine is gradually applied to screen tea leaves later, but the screening machine often does not have the effects of removing impurities and removing iron, and most of the screening machines cannot be adjusted in height according to the blanking thickness of the tea leaves. Therefore, in order to solve the general problems, the utility model provides a tea impurity screening device.

Disclosure of utility model

(1) Technical problem to be solved

The utility model provides a tea impurity screening device, which overcomes the defects that the tea impurity screening device in the prior art often has no impurity removal and iron removal functions and cannot adjust different heights of tea leaves with different blanking thicknesses.

(2) Technical proposal

In order to solve the technical problems, the utility model provides a tea impurity screening device, which comprises a feeding conveying belt, wherein a magnetic separation assembly is arranged on the feeding side of the feeding conveying belt, the magnetic separation assembly comprises a magnetic separation roller arranged above a blanking cylinder, and the magnetic separation roller is driven by a driving motor and scrapes impurities in a counterclockwise rotating direction through a scraping assembly to achieve the effect of removing iron;

The discharging rear end of the discharging barrel is equidistantly provided with impurity removing components, the impurity removing components comprise supporting plates locked on the front side and the rear side of the upper end of the frame, a static absorbing roller with adjustable height is clamped between the front supporting plate and the rear supporting plate, front and rear rotating shafts of the static absorbing roller are sleeved on a movable clamping block, the left side and the right side of the movable clamping block are respectively clamped on the inner sides of a sliding groove in the supporting plate, the top of the movable clamping block is connected with a hanging joint, the hanging joint is upwards connected with an adjusting screw, and the upper part of the adjusting screw is sleeved in a fixed beam in a threaded connection mode and extends upwards; when the electrostatic scraping device is used, the adjusting screw is fixed to a designated height through nuts on two sides of the fixed beam, one side of the supporting plate is provided with a shielding cover, the shielding cover is arranged on one side of the electrostatic absorption roller, the upper end of the inner side of the shielding cover is provided with a third scraping plate for scraping impurities of the electrostatic absorption roller, the bottom of the shielding cover is provided with a material bearing box, and the material bearing box is erected above the frame;

The filter screen plate is arranged on the inner side of the frame, the discharge end of the frame is provided with a screen outlet groove matched with the number of the filter screen plates, the bottom of the frame is provided with a vibrating motor, the frame is arranged on a material bearing seat, an elastic supporting component is further arranged between the material bearing seat and the frame, the elastic supporting component comprises a locking block fixedly arranged on the bottom of the frame, a supporting rod is arranged at the bottom of the locking block, the supporting rod is sleeved on the inner side of a supporting spring and extends towards the lower side of the material bearing seat, and a travel cavity for the supporting rod to move is arranged in the material bearing seat.

Preferably, the magnetic separation roller is arranged on a pillar, and the bottom of the pillar is connected with the edge of the blanking cylinder in a bridging way.

Preferably, the scraping assembly comprises a discharging conveying belt with the conveying direction being consistent with that of the feeding conveying belt, a first scraping plate is arranged at the edge of the discharging conveying belt, and a second scraping plate is further arranged on one side, facing the magnetic separation roller, of the first scraping plate.

Preferably, an aggregate passageway is arranged at the edge of the frame, the tail end of the material bearing box is connected to the upper part of the aggregate passageway, and the tail end of the aggregate passageway is connected with a blanking passageway.

Preferably, the filter screen grid plate is provided with at least more than one.

Preferably, the electrostatic chuck roller rotates clockwise.

Preferably, the screen material outlet groove at the tail end of the machine table is obliquely downwards arranged.

Preferably, the shielding cover is hung between the support plates at the front and rear ends.

(3) Advantageous effects

The utility model provides a tea impurity screening device, which overcomes the defects that the tea impurity screening device in the prior art often has no impurity removal and iron removal functions and cannot adjust different heights of tea leaves with different blanking thicknesses. Compared with the prior art, the utility model has the following beneficial effects:

1. the strong magnetic device, namely the magnetic separation assembly, is arranged at the front end of the blanking so as to screen out iron substances in the tea;

2. The impurity removing assembly is arranged above the machine frame, impurities such as fiber clusters and stems in the tea are removed by utilizing the electrostatic adsorption roller in the impurity removing assembly, meanwhile, the tea is subjected to grade screening through the filter screen grid plate on the inner side of the machine frame, and the tea with different quality is selected, so that grade screening is realized;

3. Through setting up the static adsorption roller that can adjust the lift on the backup pad, can be through high regulation to reach when tealeaves screening volume is many, thickness is higher, also can realize static adsorption edulcoration betterly;

4. The third scraping plate is arranged on one side of the electrostatic adsorption roller, and the first scraping plate and the second scraping plate are arranged on one side of the magnetic separation roller, so that impurities can be effectively and timely removed, and subsequent utilization is facilitated; can prevent that absorptive impurity from scattering through setting up the cage in one side of electrostatic adsorption roller to through the material that holds of below and collection passageway concentrated screen impurity, more convenient handling.

Drawings

Fig. 1 is a schematic view of the external structure of the present utility model.

Fig. 2 is a cross-sectional view of fig. 1.

Fig. 3 is an enlarged schematic view of the magnetic separation assembly.

Fig. 4 is an enlarged schematic view of the impurity removing unit.

The reference numerals are: the device comprises a feeding conveyor belt 1, a magnetic separation assembly 21, a driving motor 22, a magnetic separation roller 23, a prop 3, a scraping assembly 31, a discharging conveyor belt 32, a first scraping plate 33, a second scraping plate 4, a blanking cylinder 5, a impurity removing assembly 51, an electrostatic adsorption roller 52, an isolation cover 53, a third scraping plate 53, a material bearing box 54, a supporting plate 55, a fixed beam 56, a movable clamping block 57, an adjusting screw 58, a hanging connector 59, a frame 6, a material collecting passageway 61, a blanking channel 62, a filtering net grating plate 63, a sieving outlet groove 7, a vibrating motor 8, a flexible supporting assembly 3, a locking block 91, a supporting rod 92, a supporting spring 93 and a material bearing seat 10.

Detailed Description

The utility model will be further described with reference to the accompanying drawings and examples.

As shown in fig. 1 and 2, the tea impurity screening device provided by the utility model comprises a feeding conveyer belt 1, wherein a magnetic separation assembly 2 is arranged on the feeding side of the feeding conveyer belt 1, the magnetic separation assembly 2 comprises a magnetic separation roller 22 arranged above a discharging cylinder 4, and the magnetic separation roller 22 is driven by a driving motor 21 and scrapes impurities in a counterclockwise rotation direction through a scraping assembly 3 to achieve an iron removal effect; the discharging rear end of the discharging barrel 4 is provided with impurity removing components 5 at equal intervals, tea stalks, fiber clusters and the like are removed mainly through the impurity removing components 5, the impurity removing components 5 comprise supporting plates 55 locked on the front side and the rear side of the upper end of a frame 6, a height-adjustable electrostatic adsorption roller 51 is clamped between the front supporting plates 55 and the rear supporting plates 55, front and rear rotating shafts of the electrostatic adsorption roller 51 are sleeved on a movable clamping block 57, the left side and the right side of the movable clamping block 57 are respectively clamped on the inner sides of sliding grooves on the supporting plates 55, the top of the movable clamping block 57 is connected with a hanging joint 59, the hanging joint 59 is upwards connected with an adjusting screw 58, and the upper part of the adjusting screw 58 is sleeved in a fixed beam 56 in a threaded connection mode and extends upwards; in use, the adjusting screw 58 is fixed to a specified height through nuts on two sides of the fixing beam 56, one side of the supporting plate 55 is provided with a shielding cover 52, the shielding cover 52 is arranged on one side of the electrostatic adsorption roller 51, the upper end of the inner side of the shielding cover is provided with a third scraping plate 53 for scraping impurities of the electrostatic adsorption roller 51, the bottom of the shielding cover 52 is provided with a material bearing box 54, and the material bearing box 54 is erected above the frame 6; the inside filter screen grid plate 63 that is equipped with of frame 6, the discharge end of frame 6 is equipped with the screen stock outlet groove 7 that matches with filter screen grid plate 63 quantity, vibrating motor 8 is installed to the bottom of frame 6, frame 6 is installed on the stock holding seat 10, still be equipped with elastic support subassembly 9 between stock holding seat 10 and the frame 6, elastic support subassembly 9 includes the locking piece 91 of fixed mounting in frame 6 bottom, the bottom of locking piece 91 is equipped with the holding rod 92, the holding rod 92 cup joints in support spring 93 inboard to extend to stock holding seat 10 below be equipped with the stroke chamber that supplies its activity in the stock holding seat 10, through the effect that stock holding seat 10 removed in the stroke chamber thereby reach the vibration, the combination of stroke chamber and stock holding seat 10 is common combination.

The magnetic separation roller 22 is arranged on the supporting column 23, and the bottom of the supporting column 23 is connected to the edge of the blanking cylinder 4, so that the magnetic separation roller 22 is conveniently and better arranged above the blanking cylinder 4; the scraping assembly 3 comprises a discharging conveyor belt 31 with the conveying direction consistent with that of the feeding conveyor belt 1, a first scraping plate 31 is arranged at the edge of the discharging conveyor belt 31, a second scraping plate 33 is further arranged at one side of the first scraping plate 31, facing the magnetic separation roller 22, of the first scraping plate 31, and the second scraping plate 33 is further arranged for scraping iron elements adsorbed on the magnetic separation roller 22 so as to ensure the scraping; the side of frame 6 is equipped with gathers materials passageway 61, the end of holding box 54 connects gather materials passageway 61's top, gather materials passageway 61's tail end has connect unloading passageway 62, gathers materials passageway 61 and mainly is used for collecting the impurity of holding box 54, scrapes after the unified concentrated, makes things convenient for the centralized processing of impurity, filter screen grid 63 is equipped with more than one, and filter screen grid 63 can select through the grade that the screening needs, and the sieve mesh of filter screen 63 of selection needs to diminish from top to bottom in proper order, sets up electrostatic adsorption roller 51 is clockwise rotation, on the one hand is in order to conform to the unloading to tealeaves, on the other hand then is favorable to scraping of third scraper blade 54, the terminal sieve material outlet groove 7 of board 6 is for slope downward setting, is no longer repeatedly absorbed after scraping again in order to make things convenient for better isolation impurity, the cage 52 articulates between the backup pad 55 at front and back both ends.

In actual work, tea leaves are sent into a blanking cylinder through a feeding conveying belt, before entering the blanking cylinder, the tea leaves fall along the edge of the feeding conveying belt, and the tea leaves are contacted with a magnetic separation assembly at the moment, magnetic separation rollers are arranged in the magnetic separation assembly, magnetic substances such as iron and the like in the tea leaves can be screened out according to the principle of magnetic separation, the screened out impurities can be adhered to the surface of the magnetic separation rollers, the magnetic separation rollers can rotate to the anticlockwise direction to a discharging conveying belt under the driving of a driving motor, and the impurities are scraped off by a first scraper and a second scraper on the discharging conveying belt and then continue to work normally; the rest tea leaves fall onto the rack, the filter screen grid plates are arranged on the rack, so that different grades of tea leaves can be screened in the process of conveying the tea leaves backwards, the process of conveying the tea leaves backwards mainly comprises the vibration of the vibrating motor, and the vibrating motor drives the rack to elastically move on the material bearing seat, wherein the elastic movement mainly comprises the supporting rods which vibrate up and down in the material bearing seat under the action of the supporting springs, so that the tea leaves can move along the left direction in fig. 1, and sequentially pass through the dust removing assemblies, the electrostatic adsorption rollers in the dust removing assemblies are utilized to adsorb impurities such as tea stalks and fiber clusters in the tea leaves, the electrostatic adsorption rollers are driven by the driving motor (not shown in the drawing) to rotate clockwise, so that the tea leaves can be brought to the next station to be continuously decontaminated, meanwhile, the impurities on the electrostatic adsorption rollers can be scraped by the third scraping plate in the clockwise rotating operation of the isolation cover after one period, the impurities on the electrostatic adsorption rollers can be well reduced to be scattered after scraping, the impurities in the scraping materials can be indirectly influence, and finally the impurities in the scraping materials can be scraped materials pass through the material collecting channels after the scraping materials, and finally pass through the collecting channels; and then discharging along the screen outlet groove to realize registration screening after the blanking screening and impurity removal are completed.

What is not described in detail in this specification is prior art known to those skilled in the art.

The examples described above only represent preferred embodiments of the present utility model, which are described in more detail, but the present utility model is not limited to these examples, and it should be noted that it is obvious to those skilled in the art that the present utility model is not limited to these examples. Any modifications thereof fall within the scope of the present utility model without departing from the spirit of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. Tea impurity screening device, its characterized in that: the magnetic separation device comprises a feeding conveyer belt (1), wherein a magnetic separation assembly (2) is arranged on the feeding side of the feeding conveyer belt (1), the magnetic separation assembly (2) comprises a magnetic separation roller (22) arranged above a blanking cylinder (4), and the magnetic separation roller (22) is driven by a driving motor (21) and scrapes the impurity materials in a anticlockwise rotating direction through a scraping assembly (3) to achieve the effect of removing iron;

the discharging rear end of the discharging barrel (4) is provided with impurity removing components (5) at equal intervals, the impurity removing components (5) comprise supporting plates (55) which are locked at the front side and the rear side of the upper end of the frame (6), a height-adjustable electrostatic adsorption roller (51) is clamped between the front supporting plates (55) and the rear supporting plates (55), front rotating shafts and rear rotating shafts of the electrostatic adsorption roller (51) are sleeved on movable clamping blocks (57), the left side and the right side of each movable clamping block (57) are respectively clamped at the inner sides of sliding grooves on the supporting plates (55), the top of each movable clamping block (57) is connected with a lifting joint (59), the lifting joint (59) is upwards connected with an adjusting screw (58), and the upper parts of the adjusting screws (58) are sleeved into fixed beams (56) in a threaded connection mode and extend upwards; when the electrostatic scraping device is used, the adjusting screw (58) is fixed to a designated height through nuts on two sides of the fixing beam (56), one side of the supporting plate (55) is provided with the isolation cover (52), the isolation cover (52) is arranged on one side of the electrostatic scraping roller (51), the upper end of the inner side of the isolation cover is provided with the third scraping plate (53) for scraping impurities of the electrostatic scraping roller (51), the bottom of the isolation cover (52) is provided with the material bearing box (54), and the material bearing box (54) is erected above the frame (6);

The utility model discloses a filter screen, including frame (6), filter screen, frame (6), support spring (10) and support spring (10), the frame (6) inboard is equipped with filter screen (63), the discharge end of frame (6) be equipped with filter screen outlet groove (7) of filter screen (63) quantity matching, vibrating motor (8) are installed to the bottom of frame (6), frame (6) are installed on support base (10), still be equipped with elastic support subassembly (9) between support base (10) and frame (6), elastic support subassembly (9) are including fixed mounting locking piece (91) in frame (6) bottom, the bottom of locking piece (91) is equipped with connecting rod (92), connecting rod (92) cup joint in supporting spring (93) inboard to extend to support base (10) below be equipped with the stroke chamber that supplies its activity in support base (10).

2. A tea leaf impurity screening device according to claim 1, characterized in that the magnetic separation drum (22) is arranged on a pillar (23), the bottom of the pillar (23) being framed at the edge of the blanking drum (4).

3. A tea leaf impurity screening device according to claim 1, characterized in that the scraping assembly (3) comprises a discharge conveyor belt (31) with a conveying direction consistent with that of the feed conveyor belt (1), a first scraper (32) is arranged at the edge of the discharge conveyor belt (31), and a second scraper (33) is further arranged at the side of the first scraper (32) facing the magnetic separation drum (22).

4. A tea impurity screening device according to claim 1, characterized in that the side of the frame (6) is provided with an aggregate aisle (61), the end of the material receiving box (54) is connected to the upper part of the aggregate aisle (61), and the tail end of the aggregate aisle (61) is connected to a blanking channel (62).

5. A tea leaf impurity screening device according to claim 1, characterized in that the filter screen grid (63) is provided with at least one or more.

6. A tea leaf impurity screening device according to claim 1, characterized in that the electrostatic suction roller (51) is rotated clockwise.

7. A tea leaf impurity screening device according to claim 1, characterized in that the screen outlet slot (7) at the end of the frame (6) is arranged obliquely downwards.

8. A tea leaf impurity screening device according to claim 1, wherein said screen (52) is suspended between said support plates (55) at the front and rear ends.