CN220295162U

CN220295162U - Tea screening device

Info

Publication number: CN220295162U
Application number: CN202320082359.2U
Authority: CN
Inventors: 黃绍忠; 袁连华
Original assignee: Shangyou County Wuzhifeng Fuming Agricultural Development Co ltd
Current assignee: Shangyou County Wuzhifeng Fuming Agricultural Development Co ltd
Priority date: 2023-01-13
Filing date: 2023-01-13
Publication date: 2024-01-05
Anticipated expiration: 2033-01-13

Abstract

The application discloses tealeaves sieving mechanism relates to tealeaves production technical field. The application comprises the following steps: screening case, its inside slip is provided with the sieve that is the slope form, and screening case's top is provided with the feeder hopper rather than inside intercommunication, and the broken sediment export and tealeaves export have been seted up respectively to screening case's bottom and side, and the slip is provided with the shutoff board in the feeder hopper, is provided with on the screening case with shutoff board fixed connection and is used for driving its straight reciprocating gliding driving piece, screening incasement be provided with the overlap joint of sieve and be used for driving its straight reciprocating gliding driving part. When the tea screening machine is used for screening tea, the tea in the feeding hopper intermittently enters the screening box and falls on the screen plate, so that the condition that too much tea is accumulated on the screen plate is avoided, the tea screening effect is not affected, and the tea screening machine is more practical; through the design of dust removal spare, handle the dust that produces when screening tealeaves to avoid the health harm to environment and staff.

Description

Tea screening device

Technical Field

The application relates to the technical field of tea production, in particular to a tea screening device.

Background

During processing, tea leaves need to undergo multiple procedures such as fixation, rolling, stir-frying, drying and screening, wherein the screening procedure is for removing the broken residues in the tea leaves and reserving the complete tea leaves, at the moment, a tea screening device is needed to be used, the existing tea screening device is used for throwing the tea leaves into a screening box to drive an inclined screen plate positioned in the screening box to linearly reciprocate, the tea leaves are screened, the broken residues in the tea leaves are removed, but the mode has certain defects, if the tea leaves are directly thrown into the screening box in a large quantity, too many accumulated tea leaves on the screen plate are caused, screen holes on the screen plate are covered and blocked, the tea screening effect is affected, and therefore the tea screening device is provided.

Disclosure of Invention

The purpose of the present application is: in the screening box can cause accumulational tealeaves too much for solving the direct big batch of throwing into of tealeaves to influence the problem of tealeaves screening's effect, this application provides tealeaves sieving mechanism.

The application specifically adopts the following technical scheme for realizing the purposes:

tea leaf screening device includes:

screening case, its inside slip is provided with the sieve that is the slope form, and screening case's top is provided with the feeder hopper rather than inside intercommunication, and the broken sediment export and tealeaves export have been seted up respectively to screening case's bottom and side, and the slip is provided with the shutoff board in the feeder hopper, is provided with on the screening case with shutoff board fixed connection and is used for driving its straight reciprocating gliding driving piece, screening incasement be provided with the overlap joint of sieve and be used for driving its straight reciprocating gliding driving part.

Further, a plurality of door curtains distributed in an array are arranged in the tea outlet.

Further, the driving piece is including sliding the slip frame that sets up on the screening case, and the opposite side inner wall of slip frame all is provided with the drive rack, is provided with the connecting rod on the slip frame, and the free end and the shutoff board fixed connection of connecting rod rotate on the screening case and are provided with the bull stick, overlap on the bull stick and be equipped with the half gear with drive rack meshing, be provided with the driving motor that output shaft and bull stick are connected on the screening case.

Further, the drive portion is including setting up the fixed plate in the screening case, and the slip is provided with the slide bar on the fixed plate, and screening incasement rotation is provided with the axostylus axostyle, and the free end eccentric of axostylus axostyle is provided with the carousel, has seted up movable groove on the carousel, and the one end of slide bar is provided with the fixed block with sieve overlap joint, and the other end of slide bar rotates and is provided with and is located the movable inslot and rather than rolling complex gyro wheel.

Further, a buffer spring sleeved on the sliding rod is arranged between the fixed block and the fixed plate.

Further, the rotating rod is in transmission connection with the shaft rod through a belt pulley assembly.

Further, a dust removing part for treating dust generated during tea screening is arranged on the screening box.

Further, the dust removing piece is including setting up the dust removal section of thick bamboo on the screening case, is provided with the filter screen in the dust removal section of thick bamboo, and one side intercommunication of dust removal section of thick bamboo has the dust removal pipe, and the free end of dust removal pipe runs through the screening case and is provided with the interception net, is provided with the air exhauster on the screening case, and the input and the dust removal section of thick bamboo intercommunication of air exhauster.

The beneficial effects of this application are as follows:

1. this application is when screening tealeaves, because tealeaves in the feeder hopper is intermittent get into screening box and fall on the sieve, consequently can not cause piling up the too much condition of tealeaves on the sieve to can not influence the effect of tealeaves screening, consequently more have the practicality.

2. This application is through the design of dust removal spare, handles the dust that produces when screening tealeaves to avoid the health harm to environment and staff.

Drawings

FIG. 1 is a perspective view of the structure of the present application;

FIG. 2 is a perspective cross-sectional view of the present application;

FIG. 3 is an enlarged view of FIG. 2A of the present application;

FIG. 4 is an enlarged view of FIG. 2B of the present application;

FIG. 5 is another perspective cross-sectional view of the present application;

FIG. 6 is an enlarged view of FIG. 5C of the present application;

FIG. 7 is a further perspective cross-sectional view of the present application;

fig. 8 is an enlarged view of fig. 7D of the present application.

Reference numerals: 1. a screening box; 2. a sieve plate; 3. a feed hopper; 4. a slag outlet; 5. a tea outlet; 6. a plugging plate; 7. a driving member; 701. a sliding frame; 702. a drive rack; 703. a connecting rod; 704. a rotating rod; 705. a half gear; 706. a driving motor; 8. a driving section; 801. a fixing plate; 802. a slide bar; 803. a shaft lever; 804. a turntable; 805. a movable groove; 806. a fixed block; 807. a roller; 9. a door curtain; 10. a buffer spring; 11. a pulley assembly; 12. a dust removing member; 1201. a dust removal cylinder; 1202. a filter screen; 1203. a dust removal pipe; 1204. an interception net; 1205. and (5) an exhaust fan.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.

As shown in fig. 1 to 8, a tea screening device according to an embodiment of the present application includes: the screening box 1, the inside of which is provided with a screen plate 2 in an inclined shape in a sliding way, the screening box 1 is in a vertical direction, the screen plate 2 slides along the vertical direction, the top of the screening box 1 is provided with a feed hopper 3 communicated with the inside of the screening box 1, the feed hopper 3 is in a vertical direction and the top structure is conical, the bottom and the side surface of the screening box 1 are respectively provided with a residue outlet 4 and a tea outlet 5, the plugging plate 6 is slidably arranged in the feed hopper 3, the plugging plate 6 slides in a horizontal direction and in the horizontal direction, in an initial state, the feed hopper 3 is plugged by the plugging plate 6, the screening box 1 is provided with a driving part 7 fixedly connected with the plugging plate 6 and used for driving the plugging plate 6 to slide in a straight reciprocating way, the screening box 1 is internally provided with a driving part 8 overlapped with the screen plate 2 and used for driving the straight reciprocating way, when tea is screened, at this time, because the blocking plate 6 blocks the feeding hopper 3, tea leaves in the feeding hopper 3 cannot enter the screening box 1, the blocking plate 6 is driven to linearly reciprocate along the horizontal direction by the driving piece 7, the blocking plate 6 which linearly reciprocates along the horizontal direction can intermittently block and unblock the feeding hopper 3, in the process, the tea leaves in the feeding hopper 3 can intermittently enter the screening box 1 and fall on the screen plate 2, meanwhile, the driving part 8 drives the screen plate 2 to linearly reciprocate along the vertical direction, the screen plate 2 which linearly reciprocates along the vertical direction can screen the tea leaves, the crushed slag in the tea leaves passes through the sieve holes on the screen plate 2 and is discharged out of the screening box 1 through the crushed slag outlet 4, the complete tea leaves can be discharged out of the screening box 1 through the tea outlet 5, thereby realizing screening of the tea leaves, removing the most slag in the tea leaves, and retaining the finished tea leaves, meanwhile, as the tea leaves in the feeding hopper 3 enter the screening box 1 intermittently and fall on the screen plate 2, too many tea leaves are not accumulated on the screen plate 2, so that the tea leaf screening effect cannot be affected.

As shown in fig. 2, in some embodiments, a plurality of gate curtains 9 distributed in an array are disposed in the tea outlet 5, and the plurality of gate curtains 9 are all distributed in a vertical direction and along a horizontal direction, and referring to the above, when screening tea, a certain amount of dust is generated in the screening box 1, and the tea outlet 5 is blocked to a certain extent by the plurality of gate curtains 9, so as to avoid the dust from being scattered to the outside through the tea outlet 5, thereby reducing the body harm to the environment and staff.

As shown in fig. 3 to 4, in some embodiments, the driving member 7 includes a sliding frame 701 slidably disposed on the screening box 1, the sliding frame 701 is horizontally disposed on the top of the screening box 1 and slidably disposed along the horizontal direction, driving racks 702 are disposed on inner walls of opposite sides of the sliding frame 701, the number of the driving racks 702 is two and symmetrically distributed vertically, the two driving racks 702 are horizontally disposed on the sliding frame 701, a connecting rod 703 is disposed on the sliding frame 701, the connecting rod 703 is horizontally disposed, a free end of the connecting rod 703 is fixedly connected with the plugging plate 6, a rotating rod 704 is rotatably disposed on the screening box 1, the rotating rod 704 is horizontally disposed and rotatably disposed on the top of the screening box 1, a half gear 705 engaged with the driving racks 702 is disposed on the rotating rod 704, a driving motor 706 having an output shaft connected with the rotating rod 704 is disposed on the screening box 1, referring to the above, in the initial state, the half gear 705 is not engaged with the two driving racks 702, at this time, the blocking plate 6 will block the feeding hopper 3, the sliding frame 701 is close to the feeding hopper 3, when tea leaves are screened, the driving motor 706 is turned on, the driving motor 706 works, the output shaft rotates forward, the rotating rod 704 and the half gear 705 rotate together, the half gear 705 will engage with the driving rack 702 above first, at this time, the sliding frame 701 will slide horizontally to be far away from the feeding hopper 3, the connecting rod 703 and the blocking plate 6 slide horizontally together, the blocking plate 6 unblocks the feeding hopper 3, then the half gear 705 will engage with the driving rack 702 below, at this time, the sliding frame 701 will slide horizontally to be close to the feeding hopper 3, the connecting rod 703 and the blocking plate 6 slide horizontally together, the feeding hopper 3 is blocked by the blocking plate 6, and so repeatedly, so as to realize the linear reciprocating sliding of the plugging plate 6 along the horizontal direction.

As shown in fig. 6, in some embodiments, the driving part 8 includes a fixed plate 801 disposed in the screening box 1, the fixed plate 801 is in a horizontal direction and disposed on an inner side wall of the screening box 1, a sliding rod 802 is disposed on the fixed plate 801 in a sliding manner, the sliding rod 802 is in a vertical direction and slides along the vertical direction, a shaft 803 is disposed in the screening box 1 in a rotating manner, the shaft 803 is in a horizontal direction, a rotating disc 804 is eccentrically disposed at a free end of the shaft 803, the rotating disc 804 is in a vertical direction, a movable groove 805 is disposed on the rotating disc 804, one end of the sliding rod 802 is provided with a fixed block 806 overlapped with the screen plate 2, the fixed block 806 is in a horizontal direction and a top end structure is in an inclined shape, the top end of the fixed block 806 contacts with the bottom surface of the screen plate 2, a roller 807 disposed in the movable groove 805 and in rolling fit with the fixed block is disposed at the other end of the sliding manner, and according to the above, when tea leaves are screened, the rotating shaft 803 is driven to rotate, the rotating disc 804 is driven to rotate eccentrically together, the roller 807 can roll in the movable groove 805, the rotating disc is driven eccentrically, the roller 807 and the roller 802 can reciprocate in the vertical direction, the sliding rod 802 reciprocates in the vertical direction, the sliding block 801 reciprocates in the vertical direction, and the fixed block 806 slides in the vertical direction along the vertical direction, and the vertical direction can slide block 806 slides along the vertical direction 2.

As shown in fig. 6, in some embodiments, a buffer spring 10 sleeved on the sliding rod 802 is disposed between the fixing block 806 and the fixing plate 801, and two ends of the buffer spring 10 are respectively overlapped with the fixing block 806 and the fixing plate 801, and referring to the above, when the fixing block 806 slides upwards in the vertical direction, the fixing block 806 is far away from the buffer spring 10, and when the fixing block 806 slides downwards in the vertical direction, the buffer spring 10 is forced to be extruded, and the elastic potential energy of the buffer spring 10 buffers the force of the sliding screen plate 2 sliding downwards in the vertical direction due to the gravity effect, so as to avoid noise caused by the impact of the sliding screen plate 2 on the fixing block 806 and damage to the fixing block 806.

As shown in fig. 6, in some embodiments, the rotating rod 704 is in transmission connection with the shaft 803 through the pulley assembly 11, the pulley assembly 11 is composed of two pulleys and a connecting belt, the two pulleys are respectively sleeved on the rotating rod 704 and the shaft 803, the connecting belt is wound on the two pulleys, and when the rotating rod 704 rotates, the pulley assembly 11 drives the shaft 803 to rotate together, so that the plugging plate 6 and the screen plate 2 slide linearly and reciprocally together, and meanwhile, the power sources driving the two to slide linearly and reciprocally together are all driving motors 706, so that the energy is saved and the environment is protected.

As shown in fig. 1, in some embodiments, the screening box 1 is provided with a dust removing member 12 for treating dust generated during screening of tea leaves, and referring to the above, a certain amount of dust is generated in the screening box 1 during screening of tea leaves, and the generated dust is treated by the dust removing member 12 at this time, so as to avoid harm to the environment and the body of staff.

As shown in fig. 7-8, in some embodiments, the dust removing member 12 includes a dust removing barrel 1201 disposed on the screening box 1, the dust removing barrel 1201 is in a horizontal direction and is disposed at the top of the screening box 1, a filter screen 1202 is disposed in the dust removing barrel 1201, the filter screen 1202 is in a vertical direction, one side of the dust removing barrel 1201 is communicated with a dust removing pipe 1203, a free end of the dust removing pipe 1203 penetrates through the screening box 1 and is provided with an interception net 1204, a free end of the dust removing pipe 1203 penetrates through the top of the screening box 1, an exhaust fan 1205 is disposed on the screening box 1, an input end of the exhaust fan 1205 is communicated with the dust removing barrel 1201, and referring to the above, when tea leaves are screened, the exhaust fan 1205 is opened, dust and part of air in the screening box 1 can enter the dust removing pipe 1203 and the dust removing barrel 1201 in sequence, in the process, the tea leaves and the crushed slag are intercepted by the interception net 1204 so as to avoid the tea leaves and the crushed slag entering the dust removing pipe 1203, thereby blocking the dust removing pipe 1203, the dust is blocked by the filter screen 1202, and the air is discharged to the outside through an output end of the exhaust fan 1205, so as to realize the processing of the produced dust.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. Tea leaf screening device, its characterized in that includes:

screening case (1), its inside slip is provided with screen plate (2) that are the slope form, the top of screening case (1) is provided with feeder hopper (3) rather than inside intercommunication, broken sediment export (4) and tealeaves export (5) have been seted up respectively to the bottom and the side of screening case (1), the interior slip of feeder hopper (3) is provided with shutoff board (6), be provided with on screening case (1) with shutoff board (6) fixed connection and be used for driving its straight reciprocating sliding driving piece (7), be provided with in screening case (1) with screen plate (2) overlap joint and be used for driving its straight reciprocating sliding driving part (8).

2. A tea leaf screening device according to claim 1, wherein a plurality of curtain (9) distributed in an array are provided in the tea leaf outlet (5).

3. The tea screening device according to claim 1, wherein the driving piece (7) comprises a sliding frame (701) which is arranged on the screening box (1) in a sliding manner, driving racks (702) are arranged on the inner walls of opposite sides of the sliding frame (701), a connecting rod (703) is arranged on the sliding frame (701), the free end of the connecting rod (703) is fixedly connected with the plugging plate (6), a rotating rod (704) is arranged on the screening box (1) in a rotating manner, a half gear (705) meshed with the driving racks (702) is sleeved on the rotating rod (704), and a driving motor (706) with an output shaft connected with the rotating rod (704) is arranged on the screening box (1).

4. A tea screening device according to claim 3, wherein the driving part (8) comprises a fixed plate (801) arranged in the screening box (1), a sliding rod (802) is arranged on the fixed plate (801) in a sliding manner, a shaft lever (803) is arranged in the screening box (1) in a rotating manner, a rotary table (804) is arranged at the free end of the shaft lever (803) in an eccentric manner, a movable groove (805) is formed in the rotary table (804), a fixed block (806) which is lapped with the sieve plate (2) is arranged at one end of the sliding rod (802), and a roller (807) which is arranged in the movable groove (805) and is in rolling fit with the sliding rod (802) is arranged at the other end of the sliding rod (802) in a rotating manner.

5. The tea leaf screening device according to claim 4, wherein a buffer spring (10) sleeved on the slide bar (802) is arranged between the fixed block (806) and the fixed plate (801).

6. Tea leaf screening device according to claim 4, characterized in that the turning rod (704) is in a driving connection with the shaft (803) via a pulley assembly (11).

7. A tea screening device according to claim 1, characterized in that the screening box (1) is provided with dust removal means (12) for handling dust generated during screening of tea.

8. The tea screening device according to claim 7, wherein the dust removing member (12) comprises a dust removing barrel (1201) arranged on the screening box (1), a filter screen (1202) is arranged in the dust removing barrel (1201), one side of the dust removing barrel (1201) is communicated with a dust removing pipe (1203), the free end of the dust removing pipe (1203) penetrates through the screening box (1) and is provided with an interception net (1204), an exhaust fan (1205) is arranged on the screening box (1), and the input end of the exhaust fan (1205) is communicated with the dust removing barrel (1201).