CN206716033U - A kind of bifilar helix rice milling roller - Google Patents
A kind of bifilar helix rice milling roller Download PDFInfo
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- CN206716033U CN206716033U CN201720311631.4U CN201720311631U CN206716033U CN 206716033 U CN206716033 U CN 206716033U CN 201720311631 U CN201720311631 U CN 201720311631U CN 206716033 U CN206716033 U CN 206716033U
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- helicoid
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- convex rib
- spiral convex
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Abstract
A kind of bifilar helix rice milling roller, including roll body, the roll body includes three sections of helicoids, three sections of helicoid structures are identical and are independently arranged between each other, it is provided with the spiral convex rib of double helix structure on its every section helicoid, and pitch of the every section of spiral convex rib from feed end to discharge end gradually decreases and is in consecutive variations；In addition, transition rank is additionally provided with roll body outer cylinder between adjacent helicoid, this two sections of transition stage structures are consistent, its terrace is highly 1/2 ~ 2/3 of the helix height in helicoid, and this both ends transition rank outer cylinder on be arranged circumferentially 2 ~ 4 groups along roll body direction set kidney slots, meanwhile height and the highly consistent ceramic wear-resisting fin of spiral convex rib are formed in these kidney slots.The utility model can improve the walnut hulling rate of brown rice, reduce broken rice rate, improve the crudy of brown rice.
Description
Technical field
The paddy processing field of mechanical technique in agricultural machinery is the utility model is related to, specially one kind possesses ladder roll surface
Bifilar helix rice milling roller.
Background technology
Rice mill is one kind of Cereals Processing Machines, brown rice is removed into chaff layer（Cortex and plumule）, it is ground into rice.Its
Main working parts include rice milling roller and are arranged on the rice milling chamber with punching rice huller screen of rice milling roller periphery.During work, brown rice by
Feed hopper enters in rice mill, in the presence of spiral propeller, enters axially into the rice milling chamber being made up of rice milling roller and rice huller screen
In, in the influence by outlet pressure gate resistance power of rice milling chamber, pressure is produced between the grain of rice and the grain of rice, and pass through rice milling roller and rice
Mutually collision rubbing peeling in the presence of sieve, while spray jet-air slot of the high-pressure blast of wind blower fan ejection through inner hole of spindle by rice milling roller
It is sprayed onto on the grain of rice milled, that is, strengthens the pearling of rice, has taken away caused heat during the pearling of part, rice bran again
Discharged with high-pressure blast through rice huller screen, the grain of rice ground flows out from pressure door, and so as to complete husk rice operation, and rice bran then sieves through rice huller screen
Hole is discharged, and is entered as byproduct in other flows.
However, the species of existing rice milling roller is more, the different structure of rice milling roller has a great impact to the quality of the grain of rice, and
General rice milling roller design structure on the market it is usual unreasonable, in process, otherwise be that easily the grain of rice is ground, or
It is that exfoliant effect is bad, poor finish, shade deviation, shaggy situation occurs in the grain of rice surface ground.
Utility model content
The technical problem that the utility model solves is to provide a kind of bifilar helix rice milling roller, carried on the back with solving above-mentioned technology
The defects of scape.
The technical problem that the utility model solves is realized using following technical scheme：
A kind of bifilar helix rice milling roller, including roll body, the roll body include three sections of helicoids, and three sections of helicoid structures are identical
And be independently arranged between each other, the spiral convex rib of double helix structure, and every section of spiral convex rib are provided with its every section helicoid
Pitch from feed end to discharge end gradually decreases and is in consecutive variations；In addition, the roll body column jacket between adjacent helicoid
Transition rank is additionally provided with face, this two sections of transition stage structures are consistent, and its terrace is highly 1/2 of the helix height in helicoid
~ 2/3, and this both ends transition rank outer cylinder on be arranged circumferentially 2 ~ 4 groups along roll body direction set kidney slots, meanwhile,
Height and the highly consistent ceramic wear-resisting fin of spiral convex rib are formed in these kidney slots.
As further improvement of the utility model：
The width of the transition rank is the 1/4 ~ 1/3 of single hop helicoid length.
The ceramic wear-resisting fin is replaceable structure, and it is installed in waist type groove by the interface arrangment of base portion.
The top of the spiral convex rib is arc transition.
The spiral convex rib is excessive provided with fillet with roll body intersection.
The both ends of the ceramic wear-resisting fin and top are cambered surface transition.
Beneficial effect：The utility model using three stage structure spiral convex rib be used as grinding face, cooperation transition rank and
The ceramic wear-resisting fin being molded on transition rank can carry out interim collisional mixing to brown rice, prevent the cumulative of impulsive force and cause
Broken rice, meanwhile, double-stranded spiral convex rib can also effectively improve between the grain of rice and the grain of rice and spiral convex rib it
Between abundant collision, be advantageous to improve the walnut hulling rate of brown rice, reduce broken rice rate, improve the crudy of brown rice.
Brief description of the drawings
Fig. 1 is the sectional view of the utility model preferred embodiment.
Wherein：1st, the first helicoid；2nd, First Transition rank；3rd, the second helicoid；4th, the second transition rank；5th, the 3rd spiral
Face；6th, spiral convex rib；7th, helicoid cylinder；8th, transition rank cylinder；9th, ceramic wear-resisting fin；10th, ceramic wear-resisting fin body；
11st, interface arrangment；12nd, roll body.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
Referring to a kind of preferred embodiment of Fig. 1 bifilar helix rice milling roller, in the present embodiment, the roll body 12 of rice milling roller is certainly
Feed end is divided into the first helicoid 1, First Transition rank 2, the second helicoid 3, the second transition rank 4 and the 3rd to discharge end
Helicoid 5, wherein, the first helicoid 1, the second helicoid 3 and the structure of the 3rd helicoid 5 are consistent, on its helicoid cylinder 7
The spiral convex rib 6 with double helix structure is provided with, and pitch of these spiral convex ribs 6 from feed end to discharge end gradually decreases
And it is in consecutive variations.
First Transition rank 2 and second transition rank, 4 structures are consistent, are molded between adjacent helicoid, its transition rank
The width of cylinder 8 is the 1/3 of single hop helicoid length, and terrace is highly 1/2 of the helix height in spiral convex rib 6, simultaneously
4 groups of kidney slots set along roll body direction are arranged circumferentially on the outer cylinder of transition rank cylinder 8, waist type groove bottom is provided with card
Access slot, the ceramic wear-resisting fin body 10 as the main structure body of ceramic wear-resisting fin 9 are molded in buckling groove, and in ceramic wear-resisting
The interface arrangment 11 of the bottom of fin body 10 is installed in buckling groove to realize fixation of the ceramic wear-resisting fin 9 in waist type groove,
And ceramic wear-resisting fin 9 its apical side height and spiral convex rib after fixation is highly consistent.
In the present embodiment, in order to improve husk rice effect, while broken rice rate is reduced, is circular arc at the top of spiral convex rib 6
Transition, spiral convex rib 6 are excessive provided with fillet with the intersection of roll body 12；And the both ends and top of ceramic wear-resisting fin 9 are to be
Cambered surface transition.
The advantages of general principle of the present utility model, principal character and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (6)
1. a kind of bifilar helix rice milling roller, including roll body, it is characterised in that the roll body includes three sections of helicoids, three sections of spirals
Face structure is identical and is independently arranged between each other, and the spiral convex rib of double helix structure is provided with its every section helicoid, and often
Pitch of the section spiral convex rib from feed end to discharge end gradually decreases and is in consecutive variations；In addition, between adjacent helicoid
Roll body outer cylinder on be additionally provided with transition rank, this two sections of transition stage structures are consistent, its terrace highly be helicoid in spiral
The 1/2 ~ 2/3 of line height, and this both ends transition rank outer cylinder on be arranged circumferentially 2 ~ 4 groups along roll body direction set waists
Shape groove, meanwhile, height and the highly consistent ceramic wear-resisting fin of spiral convex rib are formed in these kidney slots.
2. shelling component according to claim 1, it is characterised in that the width of the transition rank is single hop helicoid length
1/4 ~ 1/3.
3. shelling component according to claim 1, it is characterised in that the ceramic wear-resisting fin is replaceable structure, and
It is installed on by the interface arrangment of base portion in waist type groove.
4. shelling component according to claim 1, it is characterised in that the top of the spiral convex rib is arc transition.
5. shelling component according to claim 1, it is characterised in that the spiral convex rib is provided with fillet with roll body intersection
Excessively.
6. shelling component according to claim 1, it is characterised in that the both ends of the ceramic wear-resisting fin are with top
Cambered surface transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720311631.4U CN206716033U (en) | 2017-03-28 | 2017-03-28 | A kind of bifilar helix rice milling roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720311631.4U CN206716033U (en) | 2017-03-28 | 2017-03-28 | A kind of bifilar helix rice milling roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206716033U true CN206716033U (en) | 2017-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720311631.4U Active CN206716033U (en) | 2017-03-28 | 2017-03-28 | A kind of bifilar helix rice milling roller |
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| CN (1) | CN206716033U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108176431A (en) * | 2018-02-12 | 2018-06-19 | 成都具鑫机械设备有限公司 | The fresh rice machine of integral type |
| CN110586225A (en) * | 2019-10-28 | 2019-12-20 | 宁夏昊帅粮油有限责任公司 | Sand roller rice mill |
| CN110653026A (en) * | 2019-09-30 | 2020-01-07 | 山东同泰集团股份有限公司 | Rice milling roller capable of reducing rice crushing rate |
| CN114308192A (en) * | 2021-11-22 | 2022-04-12 | 湖南舜蓝农业科技开发股份有限公司 | Rice milling device for rice mill |
-
2017
- 2017-03-28 CN CN201720311631.4U patent/CN206716033U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108176431A (en) * | 2018-02-12 | 2018-06-19 | 成都具鑫机械设备有限公司 | The fresh rice machine of integral type |
| CN110653026A (en) * | 2019-09-30 | 2020-01-07 | 山东同泰集团股份有限公司 | Rice milling roller capable of reducing rice crushing rate |
| CN110653026B (en) * | 2019-09-30 | 2024-05-10 | 山东同泰集团股份有限公司 | Rice milling roller capable of reducing broken rice rate |
| CN110586225A (en) * | 2019-10-28 | 2019-12-20 | 宁夏昊帅粮油有限责任公司 | Sand roller rice mill |
| CN114308192A (en) * | 2021-11-22 | 2022-04-12 | 湖南舜蓝农业科技开发股份有限公司 | Rice milling device for rice mill |
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