CN107519971B - Rice hulling device with screening function - Google Patents

Rice hulling device with screening function Download PDF

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Publication number
CN107519971B
CN107519971B CN201710927768.7A CN201710927768A CN107519971B CN 107519971 B CN107519971 B CN 107519971B CN 201710927768 A CN201710927768 A CN 201710927768A CN 107519971 B CN107519971 B CN 107519971B
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CN
China
Prior art keywords
shelling
box
hulling
sieve plate
rice
Prior art date
Application number
CN201710927768.7A
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Chinese (zh)
Other versions
CN107519971A (en
Inventor
迟一
Original Assignee
安徽林胜农业科技有限公司
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Priority to CN201710927768.7A priority Critical patent/CN107519971B/en
Publication of CN107519971A publication Critical patent/CN107519971A/en
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Publication of CN107519971B publication Critical patent/CN107519971B/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02BPREPARING GRAIN FOR MILLING; REFINING GRANULAR FRUIT TO COMMERCIAL PRODUCTS BY WORKING THE SURFACE
    • B02B3/00Hulling; Husking; Decorticating; Polishing; Removing the awns; Degerming
    • B02B3/04Hulling; Husking; Decorticating; Polishing; Removing the awns; Degerming by means of rollers
    • B02B3/045Hulling; Husking; Decorticating; Polishing; Removing the awns; Degerming by means of rollers cooperating rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02BPREPARING GRAIN FOR MILLING; REFINING GRANULAR FRUIT TO COMMERCIAL PRODUCTS BY WORKING THE SURFACE
    • B02B7/00Auxiliary devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPERATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, OR SIFTING OR BY USING GAS CURRENTS; OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • B07B1/34Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen
    • B07B1/343Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen with mechanical drive elements other than electromagnets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPERATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, OR SIFTING OR BY USING GAS CURRENTS; OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/42Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/004Nozzle assemblies; Air knives; Air distributors; Blow boxes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B2200/00Drying processes and machines for solid materials characterised by the specific requirements of the drying good
    • F26B2200/06Grains, e.g. cereals, wheat, rice, corn
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B2200/00Drying processes and machines for solid materials characterised by the specific requirements of the drying good
    • F26B2200/08Granular materials

Abstract

The invention discloses a rice hulling device with a screening function, which comprises a hulling box, wherein the top of the hulling box is fixedly provided with a feeding pipe, the side wall of the hulling box is provided with a limiting plate, the limiting plate is vertically and threadedly connected with a screw rod, the right side wall of the hulling box is fixedly provided with a supporting plate, the supporting plate is fixedly provided with a driving motor, a driven shaft parallel to a driving shaft is rotatably arranged in the hulling box, and the driving shaft is fixedly provided with a second driving belt wheel; position control about adjusting the compression roller accessible rotation lead screw carries out, realizes adjusting the regulation of compression roller and first shelling commentaries on classics roller and second shelling commentaries on classics roller position between the roller, and then increases the extrusion effort of shelling for rice shelling is more thorough.

Description

Rice hulling device with screening function

Technical Field

The invention relates to the technical field of agricultural machinery, in particular to a rice hulling device with a screening function.

Background

The rice is originally produced in China, and the rice is planted in the Yangtze river basin of China seven thousand years ago. According to different methods, rice can be classified into indica rice and japonica rice, early rice and middle and late rice, glutinous rice and non-glutinous rice. Chinese scientists Yuanping make great contribution to the research of hybrid rice and are praised as the father of hybrid rice. The rice is obtained by removing glume from rice, weighing brown rice, and grinding rice bran layer to obtain the final product. Approximately half of the world population is fed with rice. The rice has various eating methods, such as rice, rice porridge, rice cake, rice wine and the like. Besides being edible, the rice can also be used as industrial raw materials for brewing wine and making sugar, and the rice husks and rice straws can be used as feed. The main rice production areas in China mainly include northeast regions, Yangtze river watershed and Zhujiang watershed. Belongs to direct economic crops. And is the staple food for one third of the world's humans.

In the further processing process of rice, rice hulls of the rice need to be stripped to obtain rice which can be cooked and eaten, the existing rice hulling device is fixed in structure, poor in adjustability and poor in rice hulling effect, rice cannot be hulled well, meanwhile, rice obtained after hulling needs to be screened according to the particle size of the rice, and the workload is large.

Disclosure of Invention

The present invention has been made in an effort to solve the above-mentioned problems occurring in the prior art, and an object of the present invention is to provide a rice husking apparatus having a sieving function.

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

a rice hulling device with a screening function comprises a hulling box, wherein a feeding pipe is fixedly installed at the top of the hulling box, longitudinal grooves are symmetrically formed in the left side wall and the right side wall of the hulling box, a positioning spring is arranged at the bottom of each longitudinal groove, a sleeve slidably connected with each longitudinal groove is arranged at the upper end of each positioning spring, a limiting plate is arranged on the side wall of the hulling box, a lead screw is vertically and threadedly connected to each limiting plate, the lower end of the lead screw abuts against the upper surface of the sleeve, a rotating shaft is horizontally and rotatably arranged in the sleeve in a penetrating mode, and an adjusting compression roller; a supporting plate is fixedly installed on the right side wall of the shelling box, a driving motor is fixedly installed on the supporting plate, an output shaft of the driving motor is connected with a driving shaft horizontally penetrating through the shelling box, a first shelling rotating roller is coaxially and fixedly installed on the driving shaft, a driven shaft parallel to the driving shaft is rotatably arranged in the shelling box, a second shelling rotating roller is coaxially and fixedly installed on the driven shaft, a first driving belt wheel is arranged on the driving shaft, a first driven belt wheel is arranged on the driven shaft, a first transmission belt is sleeved and connected between the first driving belt wheel and the first driven belt wheel, a first sieve plate and a second sieve plate are sequentially arranged in the shelling box from top to bottom, and the mesh number of the first sieve plate is smaller than that of the second sieve plate; the left ends of the first sieve plate and the second sieve plate are rotatably arranged on the inner wall of the left side of the shelling box, and the right ends of the first sieve plate and the second sieve plate extend to the outside of the shelling box; a rotating shaft is rotatably arranged on the outer wall of the right side of the shelling box through a limiting bearing, a triangular cam is fixedly mounted on the rotating shaft, and the surface of the triangular cam is respectively abutted against the first sieve plate and the second sieve plate; a second driving belt wheel is fixedly mounted on the rotating shaft, a second driving belt wheel is fixedly mounted on the driving shaft, a second driving belt is sleeved between the second driving belt wheel and the second driving belt wheel, a fixed baffle is fixedly mounted on the outer wall of the right side of the shelling box, and limiting springs are connected between the fixed baffle and the second sieve plate and between the first sieve plate and the support plate; an electric heating plate is obliquely arranged at the bottom of the inner side of the shelling box, and a heating cavity is formed between the electric heating plate and the bottom of the shelling box; an air pump is arranged on the outer wall of the left side of the shell removing box, the inlet end of the air pump is communicated with the heating cavity through a pipeline, an air guide pipe is arranged at the outlet end of the air pump, two branch pipes extending to the interior of the shell removing box are arranged on the air guide pipe, and a first spray head and a second spray head are respectively arranged at the right ends of the two branch pipes; the lower part of the shelling box is provided with a plurality of supporting legs, and the bottom of the shelling box is provided with a discharge pipe; and the surfaces of the adjusting compression roller, the first shelling rotating roller and the second shelling rotating roller are provided with a plurality of shelling strips.

As a modified scheme of the invention: the triangular cam is of a triangular disc-shaped structure.

As a modified scheme of the invention: the shelling strip is made of hard rubber.

As a modified scheme of the invention: the axis of rotation is located between the first screening deck and the second screening deck.

As a modified scheme of the invention: the first shelling rotating roller and the second shelling rotating roller are positioned on the same horizontal plane.

As a modified scheme of the invention: the adjusting press roller is positioned above the first hulling roller and the second hulling roller.

Compared with the prior art, the invention has the beneficial effects that:

the rice huller has the advantages of ingenious structure, reasonable design, convenience in rice hulling and screening, low workload and high efficiency, and can be used for driving hulling strips to rotationally hulle rice by the rotation of the adjusting press roller, the first hulling roller and the second hulling roller, so that the rice hulling efficiency is greatly improved, and the rice can be rapidly hulled; the adjusting pressure roller can adjust the vertical position through the rotating screw rod, so that the adjusting pressure roller can adjust the positions of the first husking roller and the second husking roller, the extrusion acting force of husking is increased, and rice husking is more thorough; the first sieve plate and the second sieve plate vibrate up and down under the driving of the triangular cam, and meanwhile, rice is favorably fully contacted with hot air sprayed out of the first spray head and the second spray head, so that the drying effect of the rice is greatly improved, and the screening of the rice is accelerated.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view showing the positions of the first hulling rotor and the second hulling rotor according to the present invention.

Fig. 3 is a schematic view of direction a in fig. 1.

Fig. 4 is a schematic structural view of the triangular cam of the present invention.

In the figure: 1-shelling box, 2-feeding pipe, 3-regulating press roller, 4-first shelling roller, 5-first driving pulley, 6-second driving pulley, 7-driving motor, 8-supporting plate, 9-rotating shaft, 10-second driving pulley, 11-triangular cam, 12-second sieve plate, 13-limiting spring, 14-fixed baffle, 15-supporting leg, 16-discharging pipe, 17-heating cavity, 18-electric heating plate, 19-air pump, 20-first spray head, 21-air guide pipe, 22-second spray head, 23-first sieve plate, 24-driving shaft, 25-positioning spring, 26-sleeve, 27-rotating shaft, 28-longitudinal groove, 29-limiting plate, 30-screw rod, 31-hulling strip, 32-second hulling roller, 33-first driven pulley, 34-first driving belt, 35-second driving belt and 36-driven shaft.

Detailed Description

The technical scheme of the patent is further described in detail by combining the following specific embodiments:

referring to fig. 1-4, a rice husking device with a screening function comprises a husking box 1, wherein a feeding pipe 2 is fixedly installed at the top of the husking box 1, longitudinal grooves 28 are symmetrically formed in the left side wall and the right side wall of the husking box 1, a positioning spring 25 is arranged at the bottom of each longitudinal groove 28, a sleeve 26 which is slidably connected with each longitudinal groove 28 is arranged at the upper end of each positioning spring 25, a limiting plate 29 is arranged on the side wall of the husking box 1, a screw rod 30 is vertically and threadedly connected to each limiting plate 29, the lower end of each screw rod 30 abuts against the upper surface of each sleeve 26, a rotating shaft 27 is horizontally and rotatably arranged in each sleeve 26, and an adjusting press roller 3 is coaxially; a supporting plate 8 is fixedly installed on the right side wall of the shelling box 1, a driving motor 7 is fixedly installed on the supporting plate 8, an output shaft of the driving motor 7 is connected with a driving shaft 24 horizontally penetrating through the shelling box 1, a first shelling rotating roller 4 is coaxially and fixedly installed on the driving shaft 24, a driven shaft 36 parallel to the driving shaft 24 is rotatably installed on the shelling box 1, a second shelling rotating roller 32 is coaxially and fixedly installed on the driven shaft 36, a first driving belt wheel 5 is arranged on the driving shaft 24, a first driven belt wheel 33 is arranged on the driven shaft 36, a first transmission belt 34 is sleeved and connected between the first driving belt wheel 5 and the first driven belt wheel 33, a first sieve plate 23 and a second sieve plate 12 are sequentially arranged in the shelling box 1 from top to bottom, and the mesh number of the first sieve plate 23 is smaller than that of the second sieve plate 12; the left ends of the first sieve plate 23 and the second sieve plate 12 are rotatably arranged on the inner wall of the left side of the hulling box 1, and the right ends of the first sieve plate 23 and the second sieve plate 12 extend to the outside of the hulling box 1; a rotating shaft 9 is rotatably arranged on the outer wall of the right side of the shelling box 1 through a limiting bearing, a triangular cam 11 is fixedly mounted on the rotating shaft 9, and the surface of the triangular cam 11 is respectively abutted against the first sieve plate 23 and the second sieve plate 12; a second driving belt wheel 10 is fixedly installed on the rotating shaft 9, a second driving belt wheel 6 is fixedly installed on the driving shaft 24, a second driving belt 35 is sleeved and connected between the second driving belt wheel 6 and the second driving belt wheel 10, a fixed baffle 14 is fixedly installed on the outer wall of the right side of the shelling box 1, and limiting springs 13 are connected between the fixed baffle 14 and the second sieve plate 12 and between the first sieve plate 23 and the supporting plate 8; an electric heating plate 18 is obliquely arranged at the bottom of the inner side of the shelling box 1, and a heating cavity 17 is formed by the electric heating plate 18 and the bottom of the shelling box 1; an air pump 19 is arranged on the outer wall of the left side of the shell removing box 1, the inlet end of the air pump 19 is communicated with the heating cavity 17 through a pipeline, an air guide pipe 21 is arranged at the outlet end of the air pump 19, two branch pipes extending to the interior of the shell removing box 1 are arranged on the air guide pipe 21, and a first spray head 20 and a second spray head 22 are respectively arranged at the right ends of the two branch pipes; the lower part of the shelling box 1 is provided with a plurality of supporting legs 15, and the bottom of the shelling box 1 is provided with a discharge pipe 16; the surfaces of the adjusting press roll 3, the first hulling rotating roll 4 and the second hulling rotating roll 32 are all provided with a plurality of hulling strips 31.

The working principle and the using method of the invention are as follows:

when the rice husking device is used, rice to be husked is fed into the husking box 1 from the feeding pipe 2, the driving motor 7 is started to drive the driving shaft 24 to rotate, the driving shaft 24 drives the first driving belt wheel 5 to rotate, the first driving belt wheel 5 drives the first driven belt wheel 33 to rotate through the first transmission belt 34, the first driven belt wheel 33 drives the driven shaft 36 to rotate, the driving shaft 24 and the driven shaft 36 respectively drive the first husking rotating roller 4 and the second husking rotating roller 32 to rotate, the rice is kneaded in a rotating mode, and husking of the rice is achieved; rotatory lead screw 30 precession downwards, and lead screw 30 pushes down sleeve 26, and sleeve 26 moves down along vertical groove 28, and sleeve 26 drives axis of rotation 27 and drives and adjust compression roller 3 and move down, adjusts the distance between compression roller 3 and first shelling rotor 4 and the second shelling rotor 32 and reduces this moment, rubs the power increase, has improved the effect of shelling, and the unhulled rice is more thorough.

The driving shaft 24 drives the second driving belt wheel 6 to rotate, the second driving belt wheel 6 drives the second driving belt wheel 10 to rotate through the second driving belt 35, the second driving belt wheel 10 drives the rotating shaft 9 to realize the rotation of the triangular cam 11, and the rotation of the triangular cam 11 drives the first sieve plate 23 and the second sieve plate 12 to vibrate up and down under the action of the limiting spring 13, so that the screening speed of the rice is accelerated; the heating cavity 17 heats the inside of the hulling box 1, the air pump 19 pumps hot air in the hulling box 1 into the first spray head 20 and the second spray head 22, the first spray head 20 and the second spray head 22 spray hot air into the hulling box 1, and rice can be fully contacted with the hot air, so that the rice after hulling can be quickly dried, meanwhile, the adhesion among the rice is avoided, and the screening effect is promoted.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. A rice hulling device with a screening function comprises a hulling box (1) and is characterized in that a feeding pipe (2) is fixedly mounted at the top of the hulling box (1), longitudinal grooves (28) are symmetrically formed in the left side wall and the right side wall of the hulling box (1), positioning springs (25) are arranged at the bottoms of the longitudinal grooves (28), sleeves (26) which are in sliding connection with the longitudinal grooves (28) are arranged at the upper ends of the positioning springs (25), limiting plates (29) are arranged on the left side wall and the right side wall of the hulling box (1), lead screws (30) are vertically and threadedly connected to the limiting plates (29), the lower ends of the lead screws (30) are abutted to the upper surfaces of the sleeves (26), a rotating shaft (27) is horizontally and rotatably penetrated in the sleeves (26), and adjusting compression rollers (3) are coaxially and fixedly mounted on the rotating shaft (27; a supporting plate (8) is fixedly installed on the outer wall of the right side of the shelling box (1), a driving motor (7) is fixedly installed on the supporting plate (8), an output shaft of the driving motor (7) is connected with a driving shaft (24) horizontally penetrating through the shelling box (1), a first shelling rotating roller (4) is coaxially and fixedly installed on the driving shaft (24), a driven shaft (36) parallel to the driving shaft (24) is rotatably arranged in the shelling box (1), a second shelling rotating roller (32) is coaxially and fixedly installed on the driven shaft (36), a first driving belt wheel (5) is arranged on the driving shaft (24), a first driven belt wheel (33) is arranged on the driven shaft (36), a first transmission belt (34) is sleeved and connected between the first driving belt wheel (5) and the first driven belt wheel (33), a first sieve plate (23) and a second sieve plate (12) are sequentially arranged in the shelling box (1) from top to bottom, the adjusting press roll (3), the first shelling rotary roll (4) and the second shelling rotary roll (32) are all positioned above the first sieve plate (23), and the mesh number of the first sieve plate (23) is smaller than that of the second sieve plate (12); the left ends of the first sieve plate (23) and the second sieve plate (12) are rotatably arranged on the inner wall of the left side of the shelling box (1), and the right ends of the first sieve plate (23) and the second sieve plate (12) extend to the outside of the shelling box (1); a rotating shaft (9) is rotatably arranged on the outer wall of the right side of the shelling box (1) through a limiting bearing, a triangular cam (11) is fixedly mounted on the rotating shaft (9), and the surface of the triangular cam (11) is respectively abutted against the first sieve plate (23) and the second sieve plate (12); a second driving belt wheel (10) is fixedly installed on the rotating shaft (9), a second driving belt wheel (6) is fixedly installed on the driving shaft (24), a second driving belt (35) is sleeved and connected between the second driving belt wheel (6) and the second driving belt wheel (10), a fixed baffle (14) is fixedly installed on the outer wall of the right side of the shelling box (1), and limiting springs (13) are connected between the fixed baffle (14) and the second sieve plate (12) and between the first sieve plate (23) and the supporting plate (8); an electric heating plate (18) is obliquely arranged at the bottom of the inner side of the shelling box (1), and a heating cavity (17) is formed by the electric heating plate (18) and the bottom of the shelling box (1); an air pump (19) is arranged on the outer wall of the left side of the shelling box (1), the inlet end of the air pump (19) is communicated with the heating cavity (17) through a pipeline, an air guide pipe (21) is arranged at the outlet end of the air pump (19), two branch pipes extending to the interior of the shelling box (1) are arranged on the air guide pipe (21), and a first spray head (20) and a second spray head (22) are respectively arranged at the right ends of the two branch pipes; the lower part of the shelling box (1) is provided with a plurality of supporting legs (15), and the bottom of the shelling box (1) is provided with a discharge pipe (16); the surfaces of the adjusting press roller (3), the first hulling rotating roller (4) and the second hulling rotating roller (32) are provided with a plurality of hulling strips (31).
2. A rice husking apparatus having a sieving function according to claim 1 wherein the triangular cam (11) has a triangular plate-like structure.
3. A rice husking apparatus with a sieving function according to claim 1, wherein the husking strips (31) are made of hard rubber.
4. A rice husking apparatus with a sifting function according to claim 1 wherein the rotation shaft (9) is located between the first sifting plate (23) and the second sifting plate (12).
5. A rice husking apparatus with a sieving function according to claim 1, wherein the first husking roller (4) and the second husking roller (32) are located on the same horizontal plane.
6. A rice husking apparatus with a sieving function according to claim 1, wherein the adjusting press roll (3) is located above the first husking roller (4) and the second husking roller (32).
CN201710927768.7A 2017-10-09 2017-10-09 Rice hulling device with screening function CN107519971B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710927768.7A CN107519971B (en) 2017-10-09 2017-10-09 Rice hulling device with screening function

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CN107519971A CN107519971A (en) 2017-12-29
CN107519971B true CN107519971B (en) 2020-09-01

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