CN110813719A

CN110813719A - Rice sieving mechanism convenient to screening

Info

Publication number: CN110813719A
Application number: CN201911155235.7A
Authority: CN
Inventors: 贺红林; 龚少文; 匡训国; 晆建秋
Original assignee: Hunan Tianxia Dongting Lvhai Grain And Oil Co Ltd
Current assignee: Hunan Tianxia Dongting Lvhai Grain And Oil Co Ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-02-21

Abstract

The invention discloses a rice screening device convenient for screening, and relates to the technical field of rice screening devices; in order to solve the problem that the screen can not be overturned; the screening bucket that both ends were connected with feeder hopper and clout fill respectively about specifically including, the screening bucket upper end is connected with the dust catcher, the screening bucket inboard is equipped with many to the screen cloth, and every screen cloth department all corresponds discharge gate and goes out the hopper, the screen cloth lower extreme is equipped with vibrating motor, vibrating motor's power take off end is connected with the vibration board, the one end middle part that the screen cloth is close to out the hopper is connected with the pivot, the screening bucket inner wall is dug there is pivot assorted commentaries on classics hole, the one end that the hopper was kept away from to the screening bucket is provided with. According to the rice screening machine, the rotating mechanism and the motor adjusting mechanism are arranged at one end, far away from the discharging hopper, of the screening barrel, the screen can rotate one hundred eighty degrees, and the vibration effect of the vibration motor is combined, so that rice clamped in meshes can fall off smoothly.

Description

Rice sieving mechanism convenient to screening

Technical Field

The invention relates to the technical field of rice screening devices, in particular to a rice screening device convenient to screen.

Background

The rice is a finished product prepared by the working procedures of rice cleaning, rice hulling, rice milling, finished product finishing and the like. The embryo and aleurone layers of the rice contain nearly 64 percent of rice nutrition and more than 90 percent of nutrient elements required by human bodies, and are main food for southern people. There is a process to filter the rice in finished product finishing, and current rice sieving mechanism is not only inefficient, still needs the manual work to carry the finished product, and intensity of labour is big to there is not dust extraction yet, therefore, current rice sieving mechanism needs to be improved.

Through retrieval, the patent with the Chinese patent authorization publication number of CN209393528U discloses a rice screening device, which comprises a screening chamber, wherein the upper end of the screening chamber is provided with a hopper, a first screening net and a first screening net are arranged in the screening chamber at intervals from top to bottom, and the lower ends of the first screening net and the first screening net are both provided with a vibration component; the tail ends of the first screening net and the first screening net are respectively provided with a first discharge port and a second discharge port, the lower ends of the first discharge port and the second discharge port are provided with a material guide hopper, the lower ends of the material guide hopper are respectively provided with a first collecting frame and a second collecting frame, the first collecting frame and the second collecting frame are respectively arranged on the frame body, and the lower end of the frame body is provided with a universal wheel; the lower extreme of screening chamber is provided with the third discharge gate, and the lower extreme of third discharge gate is provided with the third discharge gate. Simple structure, the screening efficiency is high, transports the convenience, has reduced artifical intensity of labour, has the dust absorption effect simultaneously in addition, and the practicality is strong.

The rice screening device in the above patent has the following disadvantages: partial sieve pores of the sieve are easily blocked by some rice, and the rice clamped in the sieve pores is difficult to separate from the sieve pores only by vibration of the vibrating motor because the sieve can not be turned over.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a rice screening device convenient for screening.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a rice sieving mechanism convenient to screening, includes that both ends are connected with the screening bucket of feeder hopper and clout fill respectively from top to bottom, screening bucket upper end is connected with the dust catcher, screening bucket inboard is equipped with many to the screen cloth, and every screen cloth department all corresponds discharge gate and goes out the hopper, the screen cloth lower extreme is equipped with vibrating motor, vibrating motor's power take off end is connected with the vibration board, the screen cloth is close to the one end middle part that goes out the hopper and is connected with the pivot, the screening bucket inner wall is excavated there is pivot assorted commentaries on classics hole, the one end that goes out the hopper is kept away from to the screening bucket is provided.

Preferably: rotary mechanism is including taking out post, flexible pipe, connecting rod and a pair of reference column, the screening bucket lateral wall is dug there is the through-hole, flexible pipe runs through the through-hole, flexible pipe is located the tip in the screening bucket outside and takes out post fixed connection, flexible pipe is located the inboard tip of screening bucket and is connected with the connecting rod, the connecting rod is kept away from flexible pipe's tip and is connected with the side center department of screen cloth, and is a pair of the reference column with take out post fixed connection, the screening bucket outer wall is dug there is a pair ofly and reference column tip assorted recess.

Preferably: the connecting rod, the rotating shaft and the screen are connected through screws.

Preferably: the inner side of the telescopic pipe is connected with an extension spring.

Preferably: the inner wall of the screening barrel is fixedly connected with a baffle ring, the inner side wall of the baffle ring is fixedly connected with a bearing, and the end part of the telescopic pipe is fixedly connected with the inner ring of the bearing.

Preferably: motor adjustment mechanism is including taking out piece, fastening bolt and taking out the board, the division of screening bucket lateral wall has the rectangular hole, it runs through the rectangular hole to take out the board, take out the tip that the board is located the screening bucket outside and take out a fixed connection, it has the screw to take out to correspond the division on piece and the screening bucket, fastening bolt connects in the screw, vibrating motor connects in taking out the board and is located the inboard upper end of screening bucket.

Preferably: the screening bucket inboard is equipped with a plurality of baffles, and a plurality of baffles are connected respectively in the screening bucket top and are taken out the board lower extreme.

The invention has the beneficial effects that:

1. according to the rice screening machine, the rotating mechanism and the motor adjusting mechanism are arranged at one end, far away from the discharging hopper, of the screening barrel, the screen can rotate one hundred eighty degrees, and the vibration effect of the vibration motor is combined, so that rice clamped in meshes can fall off smoothly.

2. According to the rice screening device, the plurality of baffles are arranged on the inner side of the screening barrel and are respectively connected to the top end in the screening barrel and the lower end of the drawing plate, so that falling rice is not easy to fall from an area for the vibration motor to move.

3. According to the invention, the extension spring is connected to the inner side of the extension tube, and after the pull column is pulled to rotate, the extension spring in the extension state can drive the pull column to reset through the extension tube, so that the end parts of the pair of positioning columns are inserted into the grooves for positioning, the screen is fixed, and the device is more convenient and labor-saving.

Drawings

FIG. 1 is a right side schematic view of a rice screening apparatus for facilitating screening according to the present invention;

FIG. 2 is a schematic view of the left side of the rice screening apparatus for facilitating screening according to the present invention;

FIG. 3 is a schematic structural view of a rice screening device convenient for screening according to the present invention in a state of turning over the screen;

FIG. 4 is a schematic view of the structure at A in FIG. 3;

FIG. 5 is a schematic view of a cross-sectional view of a portion of a rice screening apparatus for facilitating screening according to the present invention;

fig. 6 is a schematic structural view of the telescopic pipe of the rice screening device convenient for screening provided by the invention.

In the figure: 1 screening bucket, 2 feeder hoppers, 3 surplus hoppers, 4 dust collectors, 5 play hoppers, 6 take out the post, 7 screen cloth, 8 pivot, 9 telescopic tubes, 10 fender rings, 11 bearings, 12 vibration boards, 13 vibrating motors, 14 take out the board, 15 baffles, 16 take out the piece, 17 fastening bolts, 18 reference columns, 19 extension springs, 20 connecting rods.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1:

the utility model provides a rice sieving mechanism convenient to screening, as shown in fig. 1-5, including about both ends be connected with feeder hopper 2 and the screening bucket 1 of surplus hopper 3 respectively, screening bucket 1 upper end is connected with dust catcher 4, screening bucket 1 inboard is equipped with many pairs of screen cloth 7, and every 7 departments of screen cloth all correspond discharge gate and play

hopper

5, 7 lower extremes of screen cloth are equipped with vibrating motor 13, vibrating motor 13's power take off end is connected with vibration board 12, the one end middle part that screen cloth 7 is close to out hopper 5 is connected with

pivot

8, 1 inner wall of screening bucket is opened and is chiseled and has pivot 8 assorted commentaries on classics hole.

In order to solve the problem that the screen can not be overturned; as shown in fig. 3-5, the rotating mechanism includes a drawing column 6, an extension tube 9, a connecting rod 20 and a pair of positioning columns 18, a through hole is drilled on the side wall of the screening barrel 1, the extension tube 9 penetrates through the through hole, the end portion of the extension tube 9 located outside the screening barrel 1 is fixedly connected with the drawing column 6, the end portion of the extension tube 9 located inside the screening barrel 1 is connected with the connecting rod 20, the end portion of the connecting rod 20 far away from the extension tube 9 is connected with the center of the side end of the screen 7, the pair of positioning columns 18 is fixedly connected with the drawing column 6, and a pair of grooves matched with the end portions of.

Wherein, the connecting rod 20, the rotating shaft 8 and the screen 7 are connected through screws, so that the screen 7 is convenient to disassemble and replace.

Wherein, screening bucket 1 inner wall fixedly connected with keeps off ring 10, and keeps off ring 10 inside wall fixedly connected with bearing 11, and the tip and the bearing 11 inner circle fixed connection of flexible pipe 9 rotate and take out when post 6 more laborsaving.

Wherein, motor adjustment mechanism is including taking out piece 16, fastening bolt 17 and taking out board 14, and 1 lateral wall of screening bucket is excavated there is the rectangular hole, takes out board 14 and runs through the rectangular hole, takes out the tip that board 14 is located the screening bucket 1 outside and takes out piece 16 fixed connection, takes out and correspondingly has dug the screw on piece 16 and the screening bucket 1, and fastening bolt 17 connects in the screw, and vibrating motor 13 connects in taking out the upper end that board 14 is located the screening bucket 1 inboard.

Wherein, screening bucket 1 inboard is equipped with a plurality of baffles 15, and a plurality of baffles 15 connect respectively in screening bucket 1 top and take out 14 lower extremes of board for the whereabouts rice is difficult for falling down from the region that supplies vibrating motor 13 to remove.

When the rice screening machine is used, the vibration motor 13 is started, rice to be screened is poured into the screening barrel 1 from the feeding hopper 2, the rice reaches the upper-layer large-mesh screen 7 and flows downwards to one end, downwards inclined, of the screen 7 along the vibrating screen 7, the rice with large particle size is collected from the discharging port through the discharging hopper 5, the rice with small particle size falls onto the screen 7 with small mesh in the lower layer from meshes of the screen 7 and flows downwards to one end, downwards inclined, of the screen 7 along the vibrating screen 7, and the rice with large particle size is collected from the discharging port through the discharging hopper 5; small sand and some rice debris leak out of the mesh and are collected via the waste bin 3;

after a period of use, an operator can unscrew the fastening bolt 17, draw out the drawing block 16 outwards, the drawing block 16 drives the drawing plate 14 and the vibrating motor 13 to move outwards, so that the vibrating motor 13 moves to one side of the screen 7, pull the drawing column 6 outwards, enable the end parts of the pair of positioning columns 18 to be separated from the grooves, rotate the drawing column 6, and the telescopic pipe 9 drives the connecting rod 20 and the screen 7 to rotate by one hundred eighty degrees; and then, the end parts of the pair of positioning columns 18 are inserted into the grooves, the screen 7 is fixed, and the vibration motor 13 is pushed to reset and the vibration motor 13 is started, so that the rice clamped in the meshes can fall smoothly.

Example 2:

a rice screening device convenient for screening is shown in figure 6, and aims to solve the problem of convenience in the process of rotating a screen 7; the present embodiment is modified from embodiment 1 as follows: an extension spring 19 is connected to the inside of the telescopic tube 9.

In the embodiment, after the drawing column 6 is pulled to rotate, the extension spring 19 in the extension state can drive the drawing column 6 to reset through the extension pipe 9, so that the end parts of the pair of positioning columns 18 are inserted into the grooves for positioning, and the screen 7 is fixed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a rice sieving mechanism convenient to screening, is connected with screening bucket (1) of feeder hopper (2) and clout fill (3) respectively including upper and lower both ends, screening bucket (1) upper end is connected with dust catcher (4), screening bucket (1) inboard is equipped with many to screen cloth (7), and every screen cloth (7) department all corresponds there is the discharge gate and goes out hopper (5), screen cloth (7) lower extreme is equipped with vibrating motor (13), the power take off end of vibrating motor (13) is connected with vibration board (12), its characterized in that, the one end middle part that screen cloth (7) are close to out hopper (5) is connected with pivot (8), screening bucket (1) inner wall is dug there is pivot (8) assorted commentaries on classics hole, the one end that hopper (5) were kept away from in screening bucket (1) is provided with rotary mechanism and motor adjustment mechanism.

2. The rice screening device convenient to screen of claim 1, wherein the rotating mechanism comprises a drawing column (6), a telescopic pipe (9), a connecting rod (20) and a pair of positioning columns (18), a through hole is drilled in the side wall of the screening barrel (1), the telescopic pipe (9) penetrates through the through hole, the end part, located outside the screening barrel (1), of the telescopic pipe (9) is fixedly connected with the drawing column (6), the end part, located inside the screening barrel (1), of the telescopic pipe (9) is connected with the connecting rod (20), the end part, far away from the telescopic pipe (9), of the connecting rod (20) is connected with the center of the side end of the screen mesh (7), the pair of positioning columns (18) is fixedly connected with the drawing column (6), and a pair of grooves matched with the end parts of the positioning columns (18) is drilled in the outer wall of the screening barrel (1).

3. The rice screening apparatus for facilitating the screening according to claim 2, wherein the connecting rod (20) and the rotating shaft (8) are connected with the screen (7) by screws.

4. A rice screening apparatus as claimed in claim 3, wherein an extension spring (19) is connected to the inside of the extension tube (9).

5. The rice screening device convenient to screen of claim 2, wherein the inner wall of the screening barrel (1) is fixedly connected with a baffle ring (10), the inner side wall of the baffle ring (10) is fixedly connected with a bearing (11), and the end part of the telescopic pipe (9) is fixedly connected with the inner ring of the bearing (11).

6. The rice screening apparatus convenient to screen of claim 5, wherein the motor adjusting mechanism comprises a drawing block (16), a fastening bolt (17) and a drawing plate (14), the side wall of the screening barrel (1) is drilled with rectangular holes, the drawing plate (14) penetrates through the rectangular holes, the end part of the drawing plate (14) located at the outer side of the screening barrel (1) is fixedly connected with the drawing block (16), the drawing block (16) and the screening barrel (1) are correspondingly drilled with screw holes, the fastening bolt (17) is connected in the screw holes, and the vibration motor (13) is connected to the upper end part of the drawing plate (14) located at the inner side of the screening barrel (1).

7. The rice screening apparatus convenient for screening according to claim 6, wherein a plurality of baffles (15) are provided inside the screening barrel (1), and the plurality of baffles (15) are respectively connected to an inner top end of the screening barrel (1) and a lower end of the pulling plate (14).