CN219150736U

CN219150736U - Grader that tealeaves screening was used

Info

Publication number: CN219150736U
Application number: CN202320214629.0U
Authority: CN
Inventors: 何黎明
Original assignee: Hubei Jintai Agricultural Development Co ltd
Current assignee: Hubei Jintai Agricultural Development Co ltd
Priority date: 2023-02-08
Filing date: 2023-02-08
Publication date: 2023-06-09
Anticipated expiration: 2033-02-08

Abstract

The utility model relates to the technical field of graders and discloses a grader for tea screening, which comprises a rack and a screening frame, wherein a rectangular groove is formed in the top of the rack, travelling wheels are rotatably arranged on the front side and the rear side of the screening frame, the travelling wheels are in rolling connection in the rectangular groove, a spring is fixedly arranged on the side wall of the rectangular groove, one end of the spring is fixedly arranged on one side of the screening frame, a protective cover is fixedly arranged on the front side of the rack, a connecting shaft is rotatably arranged on the inner wall of the rear side of the protective cover, a cam and a large belt wheel are fixedly sleeved on the outer side of the connecting shaft, a baffle is movably abutted to the outer side of the cam, and a transverse plate is fixedly arranged on one side of the baffle. The utility model has the following advantages and effects: according to the utility model, the retraction work of the universal wheel can be realized through the threaded transmission of the screw rod and the movable seat and the transmission of the worm and the worm wheel, so that the device can be freely switched between stable use and flexible movement, and the reliability is high.

Description

Grader that tealeaves screening was used

Technical Field

The utility model relates to the technical field of graders, in particular to a grader for tea screening.

Background

Tea leaves refer to the leaves and buds of tea tree. Broadly referring to the leaves of evergreen shrubs that can be used to make tea, and beverages infused with these leaves, later on, are extended to all herbal teas infused with plant flowers, leaves, seeds, roots, such as "chrysanthemum tea" and the like; herbal tea infused with various medicinal materials, etc., is also known as Rabdosia in Chinese literature. Some countries have tea made from other plant leaves such as fruits and herbs, the tea leaves are from China, the tea leaves are used as sacrificial offerings at the earliest time, and the tea leaves need to be screened by a grader in the screening process.

Most of the existing tea screening graders are inconvenient to retract and release universal wheels, so that the device is inconvenient to move; therefore we propose a classifier for tea screening to solve this problem.

Disclosure of Invention

The utility model aims to provide a classifier for tea screening, which has the effect of collecting and releasing universal wheels.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides a grader that tealeaves was selected and was used, includes frame and screening frame, rectangular channel is seted up at the top of frame, and both sides all rotate around the screening frame and install the walking wheel, and walking wheel roll connection is in rectangular channel, fixed mounting has the spring on the lateral wall of rectangular channel, one end fixed mounting of spring is in one side of screening frame, the front side fixed mounting of frame has the protection casing, rotates on the rear side inner wall of protection casing and installs the connecting axle, and the outside fixed cover of connecting axle is equipped with cam and big band pulley, the outside movable butt of cam has the baffle, one side fixed mounting of baffle has the diaphragm, one side fixed mounting of diaphragm is in one side of screening frame, one side fixed mounting of frame has first motor, and the fixed cover is equipped with little band pulley on the output shaft of first motor, the transmission is connected with same belt on big band pulley and the little band pulley.

The utility model is further provided with: the inner side of the frame is fixedly provided with a fixed frame, the inner wall of the top of the fixed frame is provided with two mounting grooves, the screw rods are rotationally mounted in the mounting grooves, the outer side thread sleeves of the two screw rods are provided with the same movable seat, and the four corners of the bottom of the movable seat are fixedly provided with universal wheels.

Through adopting above-mentioned technical scheme, the setting of universal wheel can nimble remove whole device.

The utility model is further provided with: the outside fixed cover of lead screw is equipped with the worm wheel, and fixed mounting has the second motor on the lateral wall of fixed frame, and fixed mounting has the worm on the output shaft of second motor, worm and worm wheel intermeshing.

Through adopting above-mentioned technical scheme, the worm can make the work of second motor drive two lead screws rotation simultaneously with the transmission of worm wheel.

The utility model is further provided with: two guide plates are fixedly mounted on the inner wall of the top of the fixed frame, and the movable seat is slidably sleeved on the outer side of each guide plate.

By adopting the technical scheme, the guide plate is arranged to provide a guide effect for the movable seat.

The utility model is further provided with: the small belt wheel, the large belt wheel and the belt are all positioned in the protective cover.

Through adopting above-mentioned technical scheme, the setting of protection casing provides safeguard measure for little band pulley, big band pulley and belt.

The utility model is further provided with: the screw threads of the two screw rods are identical in rotation direction and equal in screw pitch.

Through adopting above-mentioned technical scheme, the setting of lead screw can drive the vertical motion of movable seat.

The beneficial effects of the utility model are as follows:

1. according to the utility model, the second motor is started to drive the worm to rotate, so that the two worm gears are driven to rotate, the two screw rods are driven to rotate, the movable seat moves downwards under the action of the guide plate, the universal wheel is driven to move downwards, the universal wheel is contacted with the ground, the whole device can be flexibly moved, the first motor is started to drive the cam to rotate under the transmission fit of the large belt pulley, the small belt pulley and the belt, so that the screening frame is driven to move leftwards, the spring is compressed, and the continuous rotation of the cam is matched with the elastic deformation of the spring, so that the screening frame can obtain reciprocating vibration in the horizontal direction, and the grading work of tea leaves can be realized;

2. according to the utility model, the retraction work of the universal wheel can be realized through the threaded transmission of the screw rod and the movable seat and the transmission of the worm and the worm wheel, so that the device can be freely switched between stable use and flexible movement, and the reliability is high.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of the present embodiment.

Fig. 2 is a sectional view of the present embodiment.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is an enlarged view of a portion B in fig. 2.

Fig. 5 is an enlarged view of a portion C in fig. 2.

In the figure, 1, a rack; 2. a screening frame; 3. a spring; 4. a protective cover; 5. a connecting shaft; 6. a cam; 7. a baffle; 8. a cross plate; 9. a first motor; 10. a small belt wheel; 11. a large belt wheel; 12. a belt; 13. a fixed frame; 14. a screw rod; 15. a movable seat; 16. a worm wheel; 17. a worm; 18. and a second motor.

Detailed Description

The technical scheme of the present utility model will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

Referring to fig. 1-5, a grader for tea screening comprises a frame 1 and a screening frame 2, wherein a rectangular groove is formed in the top of the frame 1, walking wheels are rotatably mounted on the front side and the rear side of the screening frame 2, the walking wheels are in rolling connection with the rectangular groove, a spring 3 is fixedly mounted on the side wall of the rectangular groove, one end of the spring 3 is fixedly mounted on one side of the screening frame 2, a protective cover 4 is fixedly mounted on the front side of the frame 1, a connecting shaft 5 is rotatably mounted on the inner wall of the rear side of the protective cover 4, a cam 6 and a large belt pulley 11 are fixedly sleeved on the outer side of the connecting shaft 5, a baffle 7 is movably abutted to the outer side of the cam 6, a transverse plate 8 is fixedly mounted on one side of the baffle 7, a first motor 9 is fixedly mounted on one side of the screening frame 2, a small belt pulley 10 is fixedly sleeved on the output shaft of the first motor 9, and the large belt pulley 11 is connected with the same belt 12 in a transmission manner on the small belt pulley 10.

Specific: the inside fixed mounting of frame 1 has fixed frame 13, has seted up two mounting grooves on the top inner wall of fixed frame 13, and lead screw 14 is installed to the mounting groove internal rotation, and the outside thread bush of two lead screws 14 is equipped with same movable seat 15, and the equal fixed mounting in bottom four corners of movable seat 15 has the universal wheel, and the setting of universal wheel can nimble remove whole device.

Specific: the outside fixed cover of lead screw 14 is equipped with worm wheel 16, and fixed mounting has second motor 18 on the lateral wall of fixed frame 13, and fixed mounting has worm 17 on the output shaft of second motor 18, and worm 17 and worm wheel 16 intermesh, and the transmission of worm 17 and worm wheel 16 can make the work of second motor 18 drive two lead screws 14 simultaneously and rotate.

Specific: two guide plates are fixedly mounted on the inner wall of the top of the fixed frame 13, the movable seat 15 is slidably sleeved on the outer side of the guide plates, and the guide plates are arranged to provide a guiding function for the movable seat 15.

Specific: the small belt pulley 10, the large belt pulley 11 and the belt 12 are all positioned in the protective cover 4, and the protective cover 4 provides protective measures for the small belt pulley 10, the large belt pulley 11 and the belt 12.

Specific: the screw threads of the two screw rods 14 are identical in rotation direction and pitch, and the screw rods 14 can drive the movable seat 15 to vertically move.

The working principle of the utility model is as follows: the worm 17 can be driven to rotate by starting the second motor 18 so as to drive the two worm gears 16 to rotate, the two screw rods 14 are driven to rotate, the movable seat 15 moves downwards under the action of the guide plate so as to drive the universal wheels to move downwards, the universal wheels are in contact with the ground, the whole device can be flexibly moved, the cam 6 is driven to rotate by starting the first motor 9 under the transmission fit of the large belt pulley 11, the small belt pulley 10 and the belt 12, the screening frame 2 is driven to move leftwards, the spring 3 is compressed, the continuous rotation of the cam 6 is matched with the elastic deformation of the spring 3, the screening frame 2 is driven to reciprocate in the horizontal direction, and the grading operation of tea can be realized.

Claims

1. The utility model provides a grader that tealeaves was used for screening, its characterized in that, including frame (1) and screening frame (2), rectangular channel is seted up at the top of frame (1), and both sides all rotate around screening frame (2) and install walking wheel, walking wheel roll connection in rectangular channel, fixed mounting has spring (3) on the lateral wall of rectangular channel, and the one end fixed mounting of spring (3) is in one side of screening frame (2), the front side fixed mounting of frame (1) has protection casing (4), rotates on the rear side inner wall of protection casing (4) and installs connecting axle (5), and the outside fixed cover of connecting axle (5) is equipped with cam (6) and big band pulley (11), the outside movable butt of cam (6) has baffle (7), one side fixed mounting of baffle (7) has diaphragm (8), one side fixed mounting of diaphragm (8) is in one side of screening frame (2), one side fixed mounting of frame (1) has first motor (9), and the fixed cover is equipped with little band pulley (10) on the output shaft of first motor (9), big band pulley (11) is connected with same belt (12).

2. A tea leaf screening classifier as defined in claim 1, wherein: the automatic lifting device is characterized in that a fixed frame (13) is fixedly arranged on the inner side of the frame (1), two mounting grooves are formed in the inner wall of the top of the fixed frame (13), screw rods (14) are rotatably arranged in the mounting grooves, the outer side thread sleeves of the two screw rods (14) are provided with the same movable seat (15), and universal wheels are fixedly arranged at four corners of the bottom of the movable seat (15).

3. A tea leaf screening classifier as defined in claim 2, wherein: the outside fixed cover of lead screw (14) is equipped with worm wheel (16), and fixed mounting has second motor (18) on the lateral wall of fixed frame (13), and fixed mounting has worm (17) on the output shaft of second motor (18), and worm (17) and worm wheel (16) intermesh.

4. A tea leaf screening classifier as defined in claim 2, wherein: two guide plates are fixedly mounted on the inner wall of the top of the fixed frame (13), and the movable seat (15) is slidably sleeved on the outer sides of the guide plates.

5. A tea leaf screening classifier as defined in claim 1, wherein: the small belt wheel (10), the large belt wheel (11) and the belt (12) are all positioned in the protective cover (4).

6. A tea leaf screening classifier as defined in claim 1, wherein: the screw threads of the two screw rods (14) are identical in rotation direction and equal in screw pitch.