CN213051491U

CN213051491U - Rice grading screen

Info

Publication number: CN213051491U
Application number: CN202021601904.7U
Authority: CN
Inventors: 张翰威
Original assignee: Xiangyang Feizhong Grain Machinery Co ltd
Current assignee: Xiangyang Feizhong Grain Machinery Co ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-04-27
Anticipated expiration: 2030-08-04

Abstract

The utility model discloses a rice grading sieve, including the base with set firmly the main frame body on the base, the inside chamber that holds that forms of main frame body, top are provided with the apron, the apron top surface is provided with rice inlet port, the bottom surface is provided with 3 rings at least, all be provided with the lifting rope on each lifting ring, the lower extreme fixedly connected with sieve box of lifting rope, the sieve box includes bottom plate and the main frame board that sets up on the bottom plate, the inside chamber that holds that is "mouth" style of calligraphy and top-down run through that forms of main frame board, in the main frame board and from last to having set gradually first screen cloth, second screen cloth and third screen cloth down, the mesh diameter of first screen cloth is greater than the mesh diameter of second screen cloth, the mesh diameter of second screen cloth is greater than the mesh diameter of third screen cloth; the utility model discloses a rice classifying screen's simple structure, the vibration of sieve case is steady, and rice divides the effectual of sieve.

Description

Rice grading screen

Technical Field

The utility model relates to a rice processing technology field, concretely relates to rice classifying screen.

Background

The rice grading sieve is one of important rice processing equipment and is used for grading and finishing finished rice and sieving broken rice which is lower than the requirement; meanwhile, as the market requirements on the quality of rice are continuously improved, the grading standard is provided according to the fullness degree of the rice, and the white rice can be graded and screened through the white rice grading sieve. Current rice classifying screen makes the rice disperse through the mode of vibration greatly to be convenient for carry out the classified screening to the rice, but current rice classifying screen's structure is complicated, and the vibration of sieve case is too steady, and the rice divides the effect of sieve not good, needs to divide the sieve many times.

Based on the above circumstances, the utility model provides a rice classifying screen can effectively solve above problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rice classifying screen. The utility model discloses a rice grading sieve, which comprises a base and a main frame body fixedly arranged on the base, wherein a containing cavity is formed in the main frame body, a cover plate is arranged at the top, the top surface of the cover plate is provided with a rice inlet, at least 3 hanging rings are arranged on the bottom surface, each hanging ring is provided with a hanging rope, the lower end of the hanging rope is fixedly connected with a sieve box, the sieve box comprises a bottom plate and a main frame plate arranged on the bottom plate, the inside of the main frame plate is provided with a containing cavity which is shaped like a Chinese character 'kou' and runs through from top to bottom, a first sieve mesh, a second sieve and a third sieve are arranged in the main frame plate from top to bottom in sequence, the mesh diameter of the first sieve is larger than that of the second sieve, the mesh diameter of the second sieve is larger than that of the third sieve, a first rice discharging opening is arranged on the side surface of the main frame, a second rice discharging opening is formed in the side face of the main frame plate and located between the first screen and the second screen, a third rice discharging opening is formed in the side face of the main frame plate and located between the second screen and the third screen, a third rice discharging opening is formed in the side face of the main frame plate and located between the third screen and the bottom plate, a motor is further arranged inside the main frame body, a rotating shaft of the motor is fixedly connected with one end of a rotating shaft through a coupler, the other end of the rotating shaft is arranged in a bearing seat, and a cam is arranged on the rotating shaft; the utility model discloses a rice classifying screen simple structure, the vibration of sieve case is steady, and rice divides the effectual of sieve.

The utility model discloses a following technical scheme realizes:

a rice grading sieve comprises a base and a main frame body fixedly arranged on the base, wherein a containing cavity is formed in the main frame body, a cover plate is arranged at the top of the main frame body, a rice inlet is formed in the top surface of the cover plate, at least 3 lifting rings are arranged on the bottom surface of the cover plate, a lifting rope is arranged on each lifting ring, a sieve box is fixedly connected with the lower end of the lifting rope and comprises a bottom plate and a main frame plate arranged on the bottom plate, a containing cavity which is shaped like a Chinese character 'kou' and penetrates through the containing cavity from top to bottom is formed in the main frame plate, a first sieve net, a second sieve and a third sieve are sequentially arranged in the main frame plate from top to bottom, the diameter of a mesh of the first sieve is larger than that of the second sieve, the diameter of a mesh of the second sieve is larger than that of the third sieve, a first rice discharging hole is formed in the side surface of the main frame plate and above the first sieve, and a second rice discharging hole is formed in the side, the main frame board side just is located and is provided with the third between second screen cloth and the third screen cloth and put a meter mouth main frame board side just is located and is provided with the third between third screen cloth and the bottom plate and puts a meter mouth, the inside motor that still is provided with of main frame body, the one end fixed connection of shaft coupling and axis of rotation is passed through in the pivot of motor, the other end setting of axis of rotation is in the bearing frame, be provided with the cam in the axis of rotation.

When the rice grading sieve works, the motor is firstly electrified, then the white rice is fed from the white rice inlet, then the rice sieving is started, the mesh diameter of the first screen is larger than that of the second screen, the mesh diameter of the second screen is larger than that of the third screen, therefore, the whole rice left on the layer which can not pass through the first screen, the large broken rice left on the layer which can not pass through the second screen, the medium broken rice left on the layer which can not pass through the third screen are small broken rice left on the bottom plate which passes through the three layers of screens, the first rice outlet is communicated with the external whole rice box through a pipeline for conveying the rice, the second rice outlet is communicated with the external large broken rice box through a pipeline for conveying the rice, the third rice outlet is communicated with the external medium broken rice box through a pipeline for conveying the rice, and the fourth rice outlet is communicated with the external small broken rice box through a pipeline for conveying the rice, then, the rice is sieved while the rice is sucked into the rice box from the rice placing opening until the rice to be sieved is completely sieved, the motor is turned off, and the interior of the rice sieving machine is cleaned for next use.

Preferably, a spring is provided between the main frame and the bottom plate.

This may make the sieve box more stable during vibration.

Preferably, the main frame plate is detachably connected with the first screen, the second screen and the third screen.

Is convenient for installation, replacement and later cleaning.

Preferably, the main frame is provided with a drawer.

The inside of rice classifying screen is convenient for observe, also can regard as a small-size maintenance window to use.

Preferably, the main frame body is provided with a clamping block.

The main frame body is provided with the clamping blocks, so that the drawer can be effectively fixed, misoperation of other personnel is effectively prevented, and the rice grading sieve is safer.

Preferably, the bottom of the cover plate is provided with 4 hanging rings.

This makes the sieve box more stable during operation.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

(1) the rice classifying screen utilizes the motor to drive the cam to rotate, and pushes the screen box to vibrate through the cam, so that the classifying screen has the advantages of good effect, simple structure, convenience in use and convenience for large-batch production.

(2) The screen box is hung by the lifting rope and is provided with the spring below the lifting rope, so that the screen box is more stable in the vibration process, and the screening effect of the screen box is better.

(3) The rice classifying screen is characterized in that the drawer is arranged on the main frame body, so that the inside of the rice classifying screen can be observed conveniently, the rice classifying screen can also serve as a small maintenance window, the clamping block is arranged on the main frame body, the drawer can be effectively fixed, misoperation of other personnel is effectively prevented, and the rice classifying screen is safer.

Drawings

FIG. 1 is a schematic perspective view of a rice grading sieve according to an embodiment of the present invention;

fig. 2 is the section structure schematic diagram of the rice classifying screen of the embodiment of the present invention.

Reference numerals: 1. a base; 2. a main frame body; 21. a cover plate; 211. rice is entered into the mouth; 22. a screen box; 221. a base plate; 222. a main frame plate; 2221. a first rice placing opening; 2222. a second rice placing opening; 2223. a third rice placing opening; 2224. a fourth rice placing opening; 223. a first screen; 224. a second screen; 225. a third screen; 23. a hoisting ring; 24. a lifting rope; 25. a spring; 26. a drawer; 27. a tightening block; 3. a motor; 400. a coupling; 500. a rotating shaft; 501. a cam; 600. and a bearing seat.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the following description of the preferred embodiments of the present invention is given with reference to the accompanying examples, but it should be understood that the drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of illustrating the present embodiments, certain portions of the drawings may be enlarged or reduced and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

Example (b):

as shown in fig. 1 to 2, a rice grading sieve comprises a base 1 and a main frame 2 fixedly arranged on the base 1, wherein a containing cavity is formed inside the main frame 2, a cover plate 21 is arranged at the top of the main frame 2, a rice inlet 211 is arranged on the top surface of the cover plate 21, at least 3 hanging rings 23 are arranged on the bottom surface of the cover plate 21, each hanging ring 23 is provided with a hanging rope 24, the lower end of each hanging rope 24 is fixedly connected with a sieve box 22, each sieve box 22 comprises a bottom plate 221 and a main frame plate 222 arranged on the bottom plate 221, the main frame plate 222 is internally provided with a containing cavity which is shaped like a Chinese character 'kou' and penetrates from top to bottom, a first sieve net 223, a second sieve 224 and a third sieve 225 are sequentially arranged inside the main frame plate 222 from top to bottom, the diameter of the first sieve 223 is larger than that of the second sieve 224, and the diameter of the second sieve 224 is larger than that, the utility model provides a screen cloth structure, including main frame board 222 side and the top that is located first screen cloth 223 are provided with first meter mouth 2221 of putting, main frame board 222 side just is located and is provided with second meter mouth 2222 between first screen cloth 223 and the second screen cloth 224 main frame board 222 side just is located and is provided with the third meter mouth 2223 between second screen cloth 224 and the third screen cloth 225 main frame board 222 side just is located and is provided with fourth meter mouth 2224 between third screen cloth 225 and the bottom plate 221, the inside motor 3 that still is provided with of main frame body 2, the pivot of motor 3 passes through shaft coupling 400 and the one end fixed connection of axis of rotation 500, the other end of axis of rotation 500 sets up in bearing frame 600, be provided with cam 501 in the axis of rotation 500.

Further, in another embodiment, a spring 25 is disposed between the main frame 2 and the bottom plate 221.

Further, in another embodiment, the main frame plate 222 is detachably connected to the first screen 223, the second screen 224 and the third screen 225.

Further, in another embodiment, the main frame 2 is provided with a drawer 26.

Further, in another embodiment, the main frame 2 is provided with a clamping block.

Further, in another embodiment, the bottom of the cover plate 21 is provided with 4 hanging rings 23.

The utility model discloses a rice classifying screen's theory of operation as follows:

when the rice classifying screen works, the motor 3 is firstly electrified, then the rotating shaft of the motor 3 drives the cam 501 to rotate through the rotating shaft 500, the screen box 22 is pushed by the cam 501 to vibrate, then the rice is fed from the rice inlet 211, the rice screening is started, the mesh diameter of the first screen 223 is larger than that of the second screen 224, the mesh diameter of the second screen 224 is larger than that of the third screen 225, therefore, the whole rice remained on the layer of the first screen 223 can not pass through, the large broken rice remained on the layer of the second screen 224 can not pass through, the middle broken rice remained on the layer of the third screen 225 can not pass through, the small broken rice remained on the bottom plate 221 after passing through the three layers of screens 223, the first rice discharging port 2221 is communicated with an external whole rice box through a pipeline for conveying the rice, and the second rice discharging port 2222 is communicated with an external large broken rice box through a pipeline for conveying the rice, the third rice discharging port 2223 is communicated with an external middle broken rice box through a pipeline for conveying rice, the fourth rice discharging port 2224 is communicated with an external small broken rice box through a pipeline for conveying rice, then the rice is sieved while the rice is sucked into the white rice box from the rice discharging port, until the white rice to be sieved is completely sieved, the motor 3 is turned off, and the inside of the white rice sieving machine is cleaned for next use.

In addition, unless otherwise specified, in the present invention, if there are terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing the orientation or positional relationship in the present invention are only used for illustrative purposes, and should not be construed as limiting the present invention, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.

The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.

Claims

1. A rice grading sieve is characterized in that: the novel sieve comprises a base (1) and a main frame body (2) fixedly arranged on the base (1), wherein a containing cavity is formed inside the main frame body (2), a cover plate (21) is arranged at the top of the main frame body, a rice inlet (211) is formed in the top surface of the cover plate (21), at least 3 lifting rings (23) are arranged on the bottom surface of the cover plate (21), a lifting rope (24) is arranged on each lifting ring (23), a sieve box (22) is fixedly connected to the lower end of each lifting rope (24), each sieve box (22) comprises a bottom plate (221) and a main frame plate (222) arranged on the bottom plate (221), the containing cavity which is in a shape like a Chinese character 'kou' and penetrates from top to bottom is formed inside the main frame plate (222), a first sieve mesh (223), a second sieve (224) and a third sieve (225) are sequentially arranged inside the main frame plate (222) from top to bottom, and the diameter of the first sieve, the mesh diameter of the second screen (224) is larger than that of the third screen (225), a first rice discharging opening (2221) is formed in the side face of the main frame plate (222) and located above the first screen (223), a second rice discharging opening (2222) is formed in the side face of the main frame plate (222) and located between the first screen (223) and the second screen (224), a third rice discharging opening (2223) is formed in the side face of the main frame plate (222) and located between the second screen (224) and the third screen (225), a fourth rice discharging opening (2224) is formed in the side face of the main frame plate (222) and located between the third screen (225) and the bottom plate (221), a motor (3) is further arranged inside the main frame body (2), a rotating shaft of the motor (3) is fixedly connected with one end of the rotating shaft (500) through a coupler (400), and the other end of the rotating shaft (500) is arranged in a bearing seat (600), the rotating shaft (500) is provided with a cam (501).

2. The rice grading screen of claim 1, wherein: a spring (25) is provided between the main frame body (2) and the bottom plate (221).

3. The rice grading screen of claim 1 or 2, wherein: the main frame plate (222) is detachably connected with the first screen (223), the second screen (224) and the third screen (225).

4. The rice grading screen of claim 3, wherein: the main frame body (2) is provided with a drawer (26).

5. The rice grading screen of claim 4, wherein: the main frame body (2) is provided with a clamping block.

6. The rice grading screen of claim 1 or 2, wherein: the bottom of the cover plate (21) is provided with 4 hanging rings (23).