CN108906625A - A kind of cleaning screening installation for agriculture cereal - Google Patents
A kind of cleaning screening installation for agriculture cereal Download PDFInfo
- Publication number
- CN108906625A CN108906625A CN201810895142.7A CN201810895142A CN108906625A CN 108906625 A CN108906625 A CN 108906625A CN 201810895142 A CN201810895142 A CN 201810895142A CN 108906625 A CN108906625 A CN 108906625A
- Authority
- CN
- China
- Prior art keywords
- gear
- level
- cereal
- group
- screening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
- B07B1/24—Revolving drums with fixed or moving interior agitators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
- B07B1/4645—Screening surfaces built up of modular elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
- B07B4/02—Separating solids from solids by subjecting their mixture to gas currents while the mixtures fall
Abstract
The present invention provides a kind of cleaning screening installation for agriculture cereal, including casing, cereal ejector opening and rolling ball；The casing internal be axially connected have one group described in screen sieve；It is described screening sieve inner shaft be connected with one group described in screw propeller；Second level driving pulley described in being fixedly and coaxially connected one group on the left of the one-stage gear；Secondary gear described in being provided with one group immediately below the one-stage gear；Tertiary gear described in being provided with one group immediately below the secondary gear；The grain outlet is connected to the outside of the screening sieve；The motor and external power supply and control device are electrically connected.Make husk in cereal and stalk in batches be screened out by the structure of multistage screening, improves working efficiency；It is good by using rotary type screening sieve screening effect, it can effectively prevent sieve pore blockade, the percent of pass of cereal improved by the direction that the rolling of the rotation drive cereal of screening sieve can preferably adjust cereal.
Description
Technical field
The invention belongs to technical field of agricultural machinery, more specifically, in particular to a kind of cleaning for agriculture cereal
Screening installation.
Background technique
As the automated production of the developing agricultural of society is more more and more universal, vast rural area start gradually using automation machine
Tool carries out agricultural production, and cleaning and screening for cereal are common a kind of farm machineries in agricultural production；With life water
Flat raising people increasingly focus on diet, and the mode that the crops screening now for variable grain size is packed respectively is got over
Liked to get over by people；Previous agriculture cereal cleaning equipment mostly uses the mode decladding of wind, and screening is mostly used
The mode of vibration sieve is screened, for requiring to need repeatedly to screen using different sieves when particle type is more.
Based on above-mentioned, the inventors discovered that, the phenomenon that previous cleaning screening installation can block sieve pore there is cereal, sieve
The problems such as choosing needs to carry out by several times, complicated for operation, vibration-type Structure Selection low efficiency.
Then, it in view of this, being studied improvement for existing structure and missing, provides a kind of for agriculture cereal
Screening installation is cleared up, to achieve the purpose that with more more practical value.
Summary of the invention
In order to solve the above technical problem, the present invention provides a kind of cleaning screening installations for agriculture cereal, to solve
Existing problem complicated for operation, production efficiency is low, cleaning screening effect is bad.
The present invention is used for the purpose and effect of the cleaning screening installation of agriculture cereal, is reached by technological means in detail below
At：
A kind of cleaning screening installation for agriculture cereal, including casing, cereal ejector opening, cereal entrance, grain outlet,
Straw impurity outlet, motor, level-one driving pulley, primary transmission band, level-one driven pulley, second level driving pulley, secondary transmission
Band, second level driven pulley, fan, one-stage gear, secondary gear, tertiary gear, level Four gear, Pyatyi gear, screening sieve, sieve
Hole, screw propeller and rolling ball；The casing internal be axially connected have one group described in screen sieve；The inside of the screening sieve
Be axially connected screw propeller described in having one group；It is to be axially connected between the screw propeller and the casing；The screening
Sieve periphery is provided with sieve pore described in multiple groups；The left and right ends periphery of the screening sieve, which is evenly distributed with, rolls rolling described in multiple groups
Pearl；Screening sieve left end periphery be fixedly connected with one group described in Pyatyi gear；The left side lower part of the casing is fixed to be connected
Motor described in being connected to one group；One-stage gear described in being fixedly and coaxially connected one group on the left of the screw propeller；The level-one
Second level driving pulley described in being fixedly and coaxially connected one group on the left of gear；One group of institute is provided with immediately below the one-stage gear
State secondary gear；Tertiary gear described in being provided with one group immediately below the secondary gear；The right side of the tertiary gear is coaxial
Level Four gear described in being fixedly connected with one group；Second level driven belt described in being provided with one group right above the second level driving pulley
Wheel；Fan described in being fixedly and coaxially connected one group on the right side of the second level driven pulley；The level-one driving pulley, the level-one
Driven pulley, the second level driving pulley, the second level driven pulley, the one-stage gear, the secondary gear, the three-level
Gear, the level Four gear, the Pyatyi gear, the fan and the casing are to be axially connected；The level-one main belt
Primary transmission band described in being wound with one group jointly on the outside of wheel and the level-one driven pulley；The second level driving pulley and described two
Grade driven pulley periphery be wound with one group jointly described in secondary transmission band；The top left side of the casing is provided with described in one group
Cereal entrance；The top left side of casing right side is provided with one group described in cereal ejector opening；The cereal entrance passes through described
Cereal ejector opening is connected to screening sieve inner cavity left upper portion；The fan and the cereal ejector opening face；The casing
Right side be provided with one group described in straw impurity outlet；The lower right side of the straw impurity outlet and screening sieve inner cavity connects
It is logical；The bottom of shell be provided with three groups described in grain outlet；The grain outlet is connected to the outside of the screening sieve；It is described
Motor and external power supply and control device are electrically connected.
Further, the screening sieve passes through the equally distributed rolling ball on the outside of left and right ends and the casing axis
Property connection.
Further, the aperture of the equally distributed sieve pore is successively to become larger from left to right on the screening sieve periphery
's.
Further, the level-one driving pulley, the primary transmission band, the level-one driven pulley collectively form transmission
Belt gear.
Further, the second level driving pulley, the secondary transmission band, the second level driven pulley collectively form transmission
Tape handler.
Further, the one-stage gear is meshed with the secondary gear and constitutes gear drive.
Further, the secondary gear is meshed with the tertiary gear and constitutes gear drive.
Further, the level Four gear is meshed with the Pyatyi gear and constitutes gear drive.
Further, the screw propeller leads movable vane piece using three hair style structures.
Compared with prior art, the present invention has the advantages that：
Make husk in cereal and stalk in batches be screened out by the structure of multistage screening, improves working efficiency；It is logical
It is good using rotary type screening sieve screening effect to cross, and can effectively prevent sieve pore blockade, the rolling of cereal is driven by the rotation of screening sieve
Improve the percent of pass of cereal in the direction that kinetic energy preferably adjusts cereal；It is from left to right the sieve pore successively to become larger by using aperture
Then structure, size particles that can be different by grain screening are discharged respectively by three grain outlets, realize cereal not
With the screening of size；By using the screw propeller of three hair styles, the cereal amount being driven every time is reduced, prevents cereal accumulation from causing
The bad problem of screening effect, improve screening effect, improve the transmission efficiency of cereal.
Detailed description of the invention
Fig. 1 is axis side structure schematic diagram of the invention.
Fig. 2 is gear train shaft side structure schematic diagram of the invention.
Fig. 3 is transmission mechanism main view complete section structural schematic diagram of the invention.
Fig. 4 be in Fig. 3 of the invention A-A to schematic cross-sectional view.
Fig. 5 is B-B direction schematic cross-sectional view in Fig. 3 of the invention.
Fig. 6 be in Fig. 3 of the invention C-C to schematic cross-sectional view.
Fig. 7 is the axis side structure schematic diagram of screening sieve of the invention.
Fig. 8 is the axis side structure schematic diagram of screw propeller of the invention.
In figure, the corresponding relationship of component names and accompanying drawing number is：
1- casing, 2- cereal ejector opening, 3- cereal entrance, 4- grain outlet, the outlet of 5- straw impurity, 6- motor, 7- mono-
Grade driving pulley, 8- primary transmission band, 9- level-one driven pulley, 10- second level driving pulley, 11- secondary transmission band, 12- second level
Driven pulley, 13- fan, 14- one-stage gear, 15- secondary gear, 16- tertiary gear, 17- level Four gear, 18- Pyatyi gear,
19- screening sieve, 1901- sieve pore, 20- screw propeller, 21- roll ball.
Specific embodiment
Embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples.Following embodiment is used for
Illustrate the present invention, but cannot be used to limit the scope of the invention.
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more；Term " on ",
The orientation or positional relationship of the instructions such as "lower", "left", "right", "inner", "outside", " front end ", " rear end ", " head ", " tail portion " is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second ", " third " etc. are used for description purposes only, and should not be understood as instruction or
Imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connected " " connects
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Embodiment：
As shown in attached drawing 1 to attached drawing 8：
The present invention provides a kind of cleaning screening installation for agriculture cereal, including casing 1, cereal ejector opening 2, cereal enter
Mouth 3, grain outlet 4, straw impurity export 5, motor 6, level-one driving pulley 7, primary transmission band 8, level-one driven pulley 9, two
Grade driving pulley 10, secondary transmission band 11, second level driven pulley 12, fan 13, one-stage gear 14, secondary gear 15, three-level tooth
Wheel 16, level Four gear 17, Pyatyi gear 18, screening sieve 19, sieve pore 1901, screw propeller 20 and rolling ball 21；The machine
1 inner shaft of shell screens sieve 19 described in being connected with one group；It is described screening sieve 19 inner shaft be connected with one group described in spiral push away
Into paddle 20；It is to be axially connected between the screw propeller 20 and the casing 1；The screening sieves 19 peripheries and is provided with multiple groups institute
State sieve pore 1901；The left and right ends periphery of the screening sieve 19 is evenly distributed with rolling ball 21 described in multiple groups；The screening
Sieve 19 left end peripheries be fixedly connected with one group described in Pyatyi gear 18；The left side lower part of the casing 1 is fixedly connected with one
The group motor 6；The left side of the screw propeller 20 be fixedly and coaxially connected one group described in one-stage gear 14；The level-one tooth
Wheel 14 left side be fixedly and coaxially connected one group described in second level driving pulley 10；The underface of the one-stage gear 14 is provided with one
The group secondary gear 15；The underface of the secondary gear 15 be provided with one group described in tertiary gear 16；The tertiary gear
16 right side be fixedly and coaxially connected one group described in level Four gear 17；The surface of the second level driving pulley 10 is provided with one group
The second level driven pulley 12；The right side of the second level driven pulley 12 be fixedly and coaxially connected one group described in fan 13；It is described
Level-one driving pulley 7, the level-one driven pulley 9, the second level driving pulley 10, the second level driven pulley 12, described one
Grade gear 14, the secondary gear 15, the tertiary gear 16, the level Four gear 17, the Pyatyi gear 18, the fan
13 with the casing 1 be to be axially connected；The level-one driving pulley 7 is wound with jointly with 9 outside of level-one driven pulley
Primary transmission band 8 described in one group；The periphery of the second level driving pulley 10 and the second level driven pulley 12 is wound with one jointly
The group secondary transmission band 11；The top left side of the casing 1 be provided with one group described in cereal entrance 3；The top left side of casing 1
Cereal ejector opening 2 described in right side is provided with one group；The cereal entrance 3 passes through the cereal ejector opening 2 and the screening
Sieve the connection of 19 inner cavity left upper portions；The fan 13 and 2 face of cereal ejector opening；The right side of the casing 1 is provided with one
The group straw impurity outlet 5；The straw impurity outlet 5 is connected to the lower right side of 19 inner cavities of the screening sieve；The machine
1 bottom of shell be provided with three groups described in grain outlet 4；The grain outlet 4 is connected to the outside of the screening sieve 19；The motor
6 are electrically connected with external power supply and control device.
Wherein, the screening sieve 19 passes through the rolling ball 21 equally distributed on the outside of left and right ends and the casing 1
It is axially connected, rotate the screening sieve 19 must more flexible smooth.
Wherein, the aperture of the equally distributed sieve pore 1901 is successively to become from left to right on 19 peripheries of the screening sieve
Big.
Wherein, the level-one driving pulley 7, the primary transmission band 8, the level-one driven pulley 9 collectively form transmission
Belt gear.
Wherein, the second level driving pulley 10, the secondary transmission band 11, the second level driven pulley 12 collectively form biography
Dynamic tape handler.
Wherein, the one-stage gear 14 is meshed with the secondary gear 15 and constitutes gear drive.
Wherein, the secondary gear 15 is meshed with the tertiary gear 16 and constitutes gear drive.
Wherein, the level Four gear 17 is meshed with the Pyatyi gear 18 and constitutes gear drive.
Wherein, the screw propeller 20 leads movable vane piece using three hair style structures.
The specifically used mode and effect of the present embodiment：
When in use, motor being started by external power supply and control device, motor drives level-one driving pulley 7 to rotate, and one
Grade driving pulley 7 drives level-one driven pulley 9 to rotate by driving belt transmission mechanism, and level-one driven pulley 9 drives and level-one
Second level driving pulley 10 that driven pulley 9 is fixedly and coaxially connected, one-stage gear 14, screw propeller 20 rotate, one-stage gear 14
Secondary gear 15 is driven to rotate by gear drive；Secondary gear 15 drives 16 turns of tertiary gear by gear drive
Dynamic, tertiary gear 16 drives the level Four gear 17 being fixedly and coaxially connected with tertiary gear 16 to rotate, and level Four gear 17 passes through gear
Transmission mechanism drives Pyatyi gear 18 to rotate, and Pyatyi gear 18 drives the screening sieve 19 being fixedly connected with Pyatyi gear 18, passes through
The gear drive of one-stage gear 14, secondary gear 15, tertiary gear 16, level Four gear 17, Pyatyi gear 18 makes 19 and of screening sieve
The opposite direction rotation of screw propeller 20, second level driving pulley 10 drive 12 turns of second level driven pulley by driving belt mechanism
Dynamic, second level driven pulley 12 drives fan 13 to rotate；Cereal is poured into cleaning screening installation from cereal entrance 3, fan 13 rotates
Bring blows air over cereal ejector opening 2, and the husk in cereal is dished out, and cereal enters inside screening sieve 19, in screw propeller
20 and screening sieve 19 rotation under by cereal screening sieve 19 in rotate, cereal is turned right under the action of screw propeller 20 and is pushed away
Dynamic, the cereal of variable grain size will pass through sieve pore 1901 when encountering suitable sieve pore 1901, pass through 4 row of grain outlet
Out, sundries biggish for stalk etc. passes through 5 discharge of straw impurity outlet.
The embodiment of the present invention is given for the purpose of illustration and description, and is not exhaustively or by this to send out
It is bright to be limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Choosing
Selecting and describe embodiment is and to make those skilled in the art to more preferably illustrate the principle of the present invention and practical application
It will be appreciated that the present invention is to design various embodiments suitable for specific applications with various modifications.
Claims (9)
1. a kind of cleaning screening installation for agriculture cereal, it is characterised in that：This is used for the cleaning screening installation of agriculture cereal
Including casing, cereal ejector opening, cereal entrance, grain outlet, straw impurity outlet, motor, level-one driving pulley, primary transmission
Band, level-one driven pulley, second level driving pulley, secondary transmission band, second level driven pulley, fan, one-stage gear, secondary gear,
Tertiary gear, level Four gear, Pyatyi gear, screening sieve, sieve pore, screw propeller and rolling ball；The casing internal axis
Sieve is screened described in being connected with one group；It is described screening sieve inner shaft be connected with one group described in screw propeller；The spiral pushes away
Into between paddle and the casing to be axially connected；Screening sieve periphery is provided with sieve pore described in multiple groups；A left side for the screening sieve
Right both ends periphery, which is evenly distributed with, rolls ball described in multiple groups；The screening sieve left end periphery is fixedly connected with described in one group
Pyatyi gear；The left side lower part of the casing be fixedly connected with one group described in motor；The left side of the screw propeller is coaxial
One-stage gear described in being fixedly connected with one group；Second level main belt described in being fixedly and coaxially connected one group on the left of the one-stage gear
Wheel；Secondary gear described in being provided with one group immediately below the one-stage gear；One group is provided with immediately below the secondary gear
The tertiary gear；Level Four gear described in being fixedly and coaxially connected one group on the right side of the tertiary gear；The second level main belt
Second level driven pulley described in being provided with one group right above wheel；One group has been fixedly and coaxially connected on the right side of the second level driven pulley
The fan；The level-one driving pulley, the level-one driven pulley, the second level driving pulley, the second level driven pulley,
The one-stage gear, the secondary gear, the tertiary gear, the level Four gear, the Pyatyi gear, the fan and institute
Stating casing is to be axially connected；One described in being wound with one group jointly on the outside of the level-one driving pulley and the level-one driven pulley
Grade transmission belt；The periphery of the second level driving pulley and the second level driven pulley be wound with one group jointly described in secondary transmission
Band；The top left side of the casing be provided with one group described in cereal entrance；The top left side of casing is provided with one group towards right side
The cereal ejector opening；The cereal entrance sieves inner cavity left upper portion with the screening by the cereal ejector opening and is connected to；Institute
State fan and the cereal ejector opening face；The outlet of straw impurity described in being provided with one group on the right side of the casing；The stalk
Impurities outlet is connected to the lower right side of screening sieve inner cavity；The bottom of shell be provided with three groups described in grain outlet；Institute
Grain outlet is stated to be connected to the outside of the screening sieve；The motor and external power supply and control device are electrically connected.
2. the cleaning screening installation for agriculture cereal as described in claim 1, it is characterised in that：The screening sieve passes through left and right
The equally distributed rolling ball is axially connected with the casing on the outside of both ends.
3. the cleaning screening installation for agriculture cereal as described in claim 1, it is characterised in that：On the screening sieve periphery
The aperture of the equally distributed sieve pore successively becomes larger from left to right.
4. the cleaning screening installation for agriculture cereal as described in claim 1, it is characterised in that：The level-one driving pulley,
The primary transmission band, the level-one driven pulley collectively form driving belt transmission mechanism.
5. the cleaning screening installation for agriculture cereal as described in claim 1, it is characterised in that：The second level driving pulley,
The secondary transmission band, the second level driven pulley collectively form transmission tape handler.
6. the cleaning screening installation for agriculture cereal as described in claim 1, it is characterised in that：The one-stage gear with it is described
Secondary gear, which is meshed, constitutes gear drive.
7. the cleaning screening installation for agriculture cereal as described in claim 1, it is characterised in that：The secondary gear with it is described
Tertiary gear, which is meshed, constitutes gear drive.
8. the cleaning screening installation for agriculture cereal as described in claim 1, it is characterised in that：The level Four gear with it is described
Pyatyi gear, which is meshed, constitutes gear drive.
9. the cleaning screening installation for agriculture cereal as described in claim 1, it is characterised in that：The screw propeller is led
Blade uses three hair style structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810895142.7A CN108906625A (en) | 2018-08-08 | 2018-08-08 | A kind of cleaning screening installation for agriculture cereal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810895142.7A CN108906625A (en) | 2018-08-08 | 2018-08-08 | A kind of cleaning screening installation for agriculture cereal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108906625A true CN108906625A (en) | 2018-11-30 |
Family
ID=64394692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810895142.7A Pending CN108906625A (en) | 2018-08-08 | 2018-08-08 | A kind of cleaning screening installation for agriculture cereal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108906625A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110548669A (en) * | 2019-09-11 | 2019-12-10 | 保定卓沐园林绿化工程有限公司 | Seed screening installation |
| CN110756423A (en) * | 2019-10-22 | 2020-02-07 | 欧阳明珠 | Powder screening device for crushing powder massive objects |
| CN110882892A (en) * | 2019-11-18 | 2020-03-17 | 南京市浦口区浦城资产经营有限公司 | Screening equipment for agricultural product processing |
| CN110918441A (en) * | 2019-12-20 | 2020-03-27 | 湖北京山群健米业有限公司 | Rice processing classified screening equipment |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110548669A (en) * | 2019-09-11 | 2019-12-10 | 保定卓沐园林绿化工程有限公司 | Seed screening installation |
| CN110548669B (en) * | 2019-09-11 | 2022-06-10 | 营口天域稻业有限公司 | Seed screening installation |
| CN110756423A (en) * | 2019-10-22 | 2020-02-07 | 欧阳明珠 | Powder screening device for crushing powder massive objects |
| CN110882892A (en) * | 2019-11-18 | 2020-03-17 | 南京市浦口区浦城资产经营有限公司 | Screening equipment for agricultural product processing |
| CN110918441A (en) * | 2019-12-20 | 2020-03-27 | 湖北京山群健米业有限公司 | Rice processing classified screening equipment |
| CN110918441B (en) * | 2019-12-20 | 2021-01-01 | 广东白燕粮油实业有限公司 | Rice processing classified screening equipment |
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Application publication date: 20181130 |
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| RJ01 | Rejection of invention patent application after publication |