CN210445543U - Tealeaves stoving sieving mechanism - Google Patents

Abstract

The utility model discloses a tea drying and screening device, which comprises a drying system and a screening system, wherein the drying system comprises a drying box, the top of the drying box is provided with a feed hopper, the drying box is internally provided with a plurality of heating devices, the drying box is also internally provided with a plurality of conveyor belts, the plurality of conveyor belts are horizontally arranged in a staggered manner from top to bottom, the uppermost layer of the conveyor belt is provided with a scraping device, the drying box is provided with a feeding port, and the lowermost layer of the conveyor belt extends to the screening system outwards from the feeding port; the screening system comprises a screening box communicated with the feeding port, a rotating shaft is arranged in the screening box, bristles are spirally arranged on the rotating shaft, the rotating shaft is connected with a motor, a material collecting box is arranged at the bottom of the screening box, and the screening box and the material collecting box are separated by a screen mesh; the utility model discloses not only can avoid tealeaves to pile up, it is more even to dry, can disinfect tealeaves and device moreover, and clean health has still realized tealeaves and has screened from small to big grading, screens effectually, efficient.

Description

Tealeaves stoving sieving mechanism

Technical Field

The utility model relates to a tealeaves pre treatment facility field specifically indicates a tealeaves screening device that dries.

Background

After fresh tea leaves are picked, the fresh tea leaves contain moisture and small broken leaves, and the tea leaves need to be dried and screened in time.

At present, a plurality of machines are used for drying, and after tea leaves are put into the feeding hole, the accumulation condition is easy to occur, so that the tea leaves are not uniformly dried.

Screening to tealeaves now can be divided into artifical screening and mechanical screening, and artifical screening efficiency is low and the cost of labor is too high, and machinery carries out screening efficiency height, and is with low costs. Present tealeaves screening plant is when screening tealeaves, all directly will newly adopt fresh tealeaves directly to arrange in screening plant in, because the moisture that contains in the fresh tealeaves is more, consequently when screening, gathers into a group easily, consequently influences the screening effect, and present screening plant is generally the vibrating structure, and its screening effect most relies on screening plant's vibration effect, and the moisture that new tea contains is more, consequently glues on the reel very easily, and the screening effect is poor.

Therefore, it is necessary to design a tea leaf drying and screening device to solve the above problems.

Disclosure of Invention

An object of the utility model is to overcome above-mentioned not enough, provide a tealeaves stoving sieving mechanism, not only can avoid tealeaves to pile up, evenly dry, sieve moreover effectually.

The utility model discloses a solve above-mentioned technical problem, the technical scheme who adopts is: a tea leaf drying and screening device comprises a drying system and a screening system, wherein the drying system comprises a drying box, the top of the drying box is provided with a feed hopper, a plurality of heating devices are arranged in the drying box, a plurality of conveyor belts are also arranged in the drying box, the conveyor belts are horizontally arranged in a staggered manner from top to bottom, a scraping device is arranged on the conveyor belt on the uppermost layer, a feeding port is formed in the drying box, and the conveyor belt on the lowermost layer extends to the screening system towards the outside of the feeding port;

the screening system includes the screening case that is linked together with the pay-off mouth, is equipped with the axis of rotation in the screening incasement, and the spiral is equipped with the brush hair in the axis of rotation, and the axis of rotation links to each other with the motor, is equipped with the case that gathers materials at screening bottom of the case, and the screening case is separated through the screen cloth between the case that gathers materials, and the one end of keeping away from the pay-off mouth at the screening case is equipped with.

Preferably, the scraping device comprises a fixed disc fixed on the inner wall of the drying box, the fixed disc is movably connected with a movable disc through a movable pin shaft, a plurality of stirring teeth are arranged on the movable disc, and the stirring teeth are abutted to the surface of the uppermost conveyor belt.

Preferably, the heating device specifically adopts an electric heating wire, and the heating device is fixed on the inner wall of the drying box.

Preferably, a heat preservation coating is arranged on the outer side of the drying box.

Preferably, a plurality of ultraviolet sterilizing lamps are arranged in the drying box.

Preferably, the rotating shaft is fixed on the inner wall of the screening box through a bearing, the rotating shaft is connected with an output shaft of the motor, and the motor is fixed on the outer wall of the screening box.

Preferably, the bristles abut the inner wall of the top of the screen box.

Preferably, the material collecting box is divided into a plurality of subareas by vertical partition plates, and the screen holes of the screen mesh on the subareas from the material feeding port end to the material discharging port end are gradually and sequentially increased.

The utility model has the advantages that:

1. the tea leaves can be prevented from being accumulated, and the drying is more uniform;

2. the tea leaves and the device can be sterilized, and the tea leaves and the device are clean and sanitary;

3. the screening effect is good, and the efficiency is high;

4. the grading screening of the tea from small to large is realized;

5. simple structure, low cost and easy popularization.

Drawings

FIG. 1 is a schematic structural view of a tea leaf drying and screening apparatus;

fig. 2 is a schematic structural view of a scraping device 5;

FIG. 3 is a schematic view of the structure of a material collecting box 11;

in the figure, a drying box 1, a feed hopper 2, a heating device 3, a conveyor belt 4, a scraping device 5, a fixed disc 5.1, a movable pin shaft 5.2, a movable disc 5.3, toggle teeth 5.4, a feeding port 6, a screening box 7, a rotating shaft 8, bristles 9, a motor 10, a material collecting box 11, a vertical partition plate 11.1, a partition 11.2, a screen 12, a discharging port 13 and an ultraviolet sterilizing lamp 14.

Detailed Description

The invention is described in further detail below with reference to the figures and the embodiments.

As shown in fig. 1 to 3, a tea leaf drying and screening device comprises a drying system and a screening system, wherein the drying system comprises a drying box 1, a feed hopper 2 is arranged at the top of the drying box 1, a plurality of heating devices 3 are arranged in the drying box 1, a plurality of conveyor belts 4 are also arranged in the drying box 1, the conveyor belts 4 are horizontally arranged in a staggered manner from top to bottom, a scraping device 5 is arranged on the conveyor belt 4 at the uppermost layer, a feeding port 6 is arranged on the drying box 1, and the conveyor belt 4 at the lowermost layer extends to the outside of the feeding port 6 and extends to the screening system;

the screening system includes screening case 7 that is linked together with pay-off mouth 6, is equipped with axis of rotation 8 in screening case 7, and the spiral is equipped with brush hair 9 on axis of rotation 8, and axis of rotation 8 links to each other with motor 10, is equipped with the case 11 that gathers materials in screening 7 bottoms, and screening case 7 separates through screen cloth 12 with the case 11 that gathers materials, and the one end of keeping away from pay-off mouth 6 at screening case 7 is equipped with discharge gate 13.

Preferably, scraper 5 is including fixing fixed disk 5.1 on stoving case 1 inner wall, and fixed disk 5.1 links to each other with activity dish 5.3 activity through activity round pin axle 5.2, is equipped with a plurality of teeth 5.4 of stirring on activity dish 5.3, it is inconsistent with 4 surfaces of conveyer belt on the superiors to stir teeth 5.4. Such setting makes activity dish 5.3 and stir tooth 5.4 and can rotate under the drive of the conveyer belt 4 of the superiors, will fall into from feeder hopper 2 and pile up tealeaves together and break up, spreads on the conveyer belt 4 surface of the superiors uniformly, is favorable to tealeaves to dry uniformly.

Preferably, the heating device 3 specifically adopts an electric heating wire, and the heating device 3 is fixed on the inner wall of the drying box 1. The arrangement is low in cost, good in heating effect and stable in structure.

Preferably, the heat-insulating coating is arranged on the outer side of the drying box 1, and plays a role in heat insulation, so that heat loss is avoided, the heat utilization rate of the drying box 1 is improved, and energy is saved.

Preferably, a plurality of ultraviolet sterilizing lamps 14 are provided in the drying box 1. Such setting not only can disinfect the disinfection to tealeaves, can also disinfect in advance drying chamber 1, makes tealeaves drink safer.

Preferably, the rotating shaft 8 is fixed on the inner wall of the screening box 7 through a bearing, the rotating shaft 8 is connected with an output shaft of the motor 10, and the motor 10 is fixed on the outer wall of the screening box 7. Such an arrangement makes the structure more stable.

Preferably, the bristles 9 abut the top inner wall of the screen box 7. Such setting makes brush hair 9 when rotating, and the tealeaves that blocks on brush hair 9 can be dialled by screening box 7 top inner wall and fall, has avoided the tealeaves card to influence screening efficiency in brush hair 9.

Preferably, the material collecting box 11 is divided into a plurality of subareas 11.2 by vertical partition plates 11.1, and the screen holes of the screen 12 on the subareas 11.2 from the end of the feeding port 6 to the end of the discharging port 13 are gradually increased in sequence. The arrangement realizes the grading screening of tea leaves from small to large, and the tea leaves are sequentially stored in the plurality of subareas 11.2 from the end of the feeding port 6 to the end of the discharging port 13.

The working principle of the embodiment is as follows: when in use, the ultraviolet sterilization lamp 14 is firstly turned on to pre-sterilize the drying chamber 1, and the heating device 3 is turned on to pre-heat the drying chamber 1. After a proper time, the conveyor belt 4 and the motor 10 are opened, the freshly picked tea leaves are put into the device through the feed hopper 2, and the scraper device 5 rotates to scatter the stacked tea leaves under the drive of the uppermost conveyor belt 4 and uniformly spread the tea leaves on the surface of the uppermost conveyor belt 4. Tea leaves sequentially move layer by layer from top to bottom under the driving of a plurality of conveyor belts 4 in the drying box 1, and are dried in multiple layers, so that the drying is more uniform.

When tea leaves enter the screening box 7 through the feeding port 6, the motor 10 drives the rotating shaft 8 to rotate, and the brush bristles 9 rotate spirally along with the rotating shaft, so that the tea leaves are driven to move from the end of the feeding port 6 to the end of the discharge port 13. During the moving process, tea leaves with different sizes enter different subareas 11.2 of the material collecting box 11 through the screens 12 with different screen holes, and the tea leaves with different sizes are separately screened out. The tea leaves larger than the largest mesh opening on the screen 12 cannot be screened out and are discharged from the discharge port 13. In actual use, the number of the subareas 11.2 and the mesh opening of the screen 12 can be set according to the screening requirement.

The utility model discloses not only can avoid tealeaves to pile up, it is more even to dry, can disinfect tealeaves and device moreover, and clean health has still realized tealeaves from small to big classified screening, and the screening is effectual, efficient, simple structure, low cost easily promotes.

The above embodiments are merely preferred technical solutions of the present invention, and should not be considered as limitations of the present invention, and the features in the embodiments and the examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention shall be defined by the claims and the technical solutions described in the claims, including the technical features of the equivalent alternatives as the protection scope. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.

Claims (8)

1. The utility model provides a tealeaves stoving sieving mechanism, includes drying system and screening system, its characterized in that: the drying system comprises a drying box (1), wherein a feed hopper (2) is arranged at the top of the drying box (1), a plurality of heating devices (3) are arranged in the drying box (1), a plurality of conveyor belts (4) are also arranged in the drying box (1), the conveyor belts (4) are horizontally arranged in a staggered manner from top to bottom, a scraping device (5) is arranged on the conveyor belt (4) on the uppermost layer, a feeding port (6) is formed in the drying box (1), and the conveyor belt (4) on the lowermost layer extends to the screening system outwards from the feeding port (6);

the screening system includes screening case (7) that are linked together with pay-off mouth (6), is equipped with axis of rotation (8) in screening case (7), and the spiral is equipped with brush hair (9) on axis of rotation (8), and axis of rotation (8) link to each other with motor (10), is equipped with in screening case (7) bottom and gathers materials case (11), and screening case (7) and gather materials between case (11) separate through screen cloth (12), and the one end of keeping away from pay-off mouth (6) in screening case (7) is equipped with discharge gate (13).

2. The tea drying and screening device according to claim 1, wherein: scraper (5) are including fixing fixed disk (5.1) on stoving case (1) inner wall, and fixed disk (5.1) link to each other with activity dish (5.3) activity through activity round pin axle (5.2), are equipped with a plurality of teeth (5.4) of stirring on activity dish (5.3), it is inconsistent with conveyer belt (4) surface of the superiors to stir teeth (5.4).

3. The tea drying and screening device according to claim 1, wherein: the heating device (3) specifically adopts an electric heating wire, and the heating device (3) is fixed on the inner wall of the drying box (1).

4. The tea drying and screening device according to claim 1, wherein: the outer side of the drying box (1) is provided with a heat-insulating coating.

5. The tea drying and screening device according to claim 1, wherein: a plurality of ultraviolet sterilizing lamps (14) are arranged in the drying box (1).

6. The tea drying and screening device according to claim 1, wherein: the rotating shaft (8) is fixed on the inner wall of the screening box (7) through a bearing, the rotating shaft (8) is connected with an output shaft of the motor (10), and the motor (10) is fixed on the outer wall of the screening box (7).

7. The tea drying and screening device according to claim 1, wherein: the brush hair (9) is pressed against the inner wall of the top of the screening box (7).

8. The tea drying and screening device according to claim 1, wherein: the material collecting box (11) is divided into a plurality of subareas (11.2) through vertical partition plates (11.1), and the sieve holes of the screen (12) are gradually and sequentially increased from the end of the feeding port (6) to the subarea (11.2) at the end of the discharging port (13).

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