CN206435452U - A kind of pentagonal section grain rotary screen - Google Patents
A kind of pentagonal section grain rotary screen Download PDFInfo
- Publication number
- CN206435452U CN206435452U CN201720007623.0U CN201720007623U CN206435452U CN 206435452 U CN206435452 U CN 206435452U CN 201720007623 U CN201720007623 U CN 201720007623U CN 206435452 U CN206435452 U CN 206435452U
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- Prior art keywords
- screen drum
- screen
- frame
- grain
- drum
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Abstract
The utility model discloses a kind of pentagonal section grain rotary screen, including frame, rotatable inclination screen drum is provided with frame, support tube circle is provided with the feed end of screen drum, provided with the support roller station being engaged with support tube circle in frame, screen drum axle is provided with the discharge end of screen drum, provided with the screen drum bearing block being engaged with screen drum axle in frame, the decelerator of driving screen drum rotation is additionally provided with frame, screen drum axle is coupled with reducer output shaft by gear, the screen drum is made up of coaxial interior screen drum and outer screen drum, the radial section of interior screen drum and outer screen drum is regular pentagon, the decelerator is worm gear, worm-drive supplementary reduction, screen drum axle passes through straight spur gear joint transmission with reducer output shaft, the pentagonal section grain rotary screen can once remove thick impurity and thin impurity, grain is fully contacted in screen drum with compass screen surface, the quality of screening is good.
Description
Technical field
The utility model is related to a kind of grain storage and transportation machinery, especially a kind of rotary screen cleared up, screened for grain.
Background technology
Grain rotary screen is a kind of conventional grain storage and transportation machinery, for being screened to grain, removes impurity therein
And remnant.The rotary screen for being used for grain screening in the prior art is generally the simple trommel of cylindrical shape sieve, the rotary screen of this structure
When being screened to grain, oversize and screenings can only be simply screened out, the precision of screening is poor, also, works as cylinder
When the screen drum of shape is rotated, the grain in screen drum accumulates in screen drum curved bottom all the time, and the grain that part is located at upper strata can be caused to exist
Inclined screen drum is just flowed directly out in the case of not contacted fully with screen drum wall, wherein the impurity being mingled with can not be screened out, shadow
Ring the quality of screening.
Utility model content
The utility model technical problem to be solved is：A kind of pentagonal section grain rotary screen, the pentagonal section are provided
Grain rotary screen can once remove thick impurity and thin impurity, and grain is fully contacted in screen drum with compass screen surface, and the quality of screening is good.
The technical solution adopted for solving the technical problem：A kind of pentagonal section grain rotary screen, including frame, in frame
Rotatable screen drum is provided with, the screen drum is the inclination screen drum that feed end is high, discharge end is low, is provided with the feed end of screen drum
Support tube circle, provided with the support roller station being engaged with support tube circle in frame, is provided with screen drum axle, in machine in the discharge end of screen drum
Frame is provided with the screen drum bearing block being engaged with screen drum axle, and the decelerator of driving screen drum rotation, screen drum axle are additionally provided with frame
Coupled with reducer output shaft by gear, the screen drum is made up of coaxial interior screen drum and outer screen drum, interior screen drum and outer screen drum
Radial section be regular pentagon, the sieve diameter of interior screen drum is more than the sieve diameter of outer screen drum, the high-end composition of interior screen drum
Charging aperture, the low side of interior screen drum constitutes thick impurities outlet, and the low side of outer screen drum constitutes grain delivery outlet, the sieve aperture of outer screen drum barrel
Thin impurities outlet is constituted, the decelerator is worm gear, worm-drive supplementary reduction, and screen drum axle passes through straight-tooth with reducer output shaft
Roller gear joint transmission.
It is used as further improvement of the utility model：The sieve is made up of the rectangular steel plates for being stamped with sieve aperture, the sieve
Hole is tubaeform sieve aperture, and the sieve aperture edge on the inside of screen drum is provided with arc angling.
Further improved as of the present utility model：The screen drum support roller station is that axial inclination can be with support tube circle
The adaptive screen drum support roller station of rotary shaft angle change and adjust automatically, screen drum support roller station is arranged on adaptive wheel seat
On, adaptive wheel seat is provided with the pivot perpendicular with screen drum supporting bracket wheel shaft, and adaptive wheel seat is by being pivotally secured within frame
On.
The screen drum is the screen drum that angle of inclination can be adjusted, and screen drum tilt adjustment swing seat is provided with the discharge end of screen drum,
Decelerator and screen drum bearing block are fixed on screen drum tilt adjustment swing seat.
The screen drum tilt adjustment swing seat includes pedestal, in pedestal provided with being hinged axis hole, pedestal and frame by with screen drum
The vertical jointed shaft connection of axle, is provided with pedestal inclination angle stopping means between pedestal and frame.
Pedestal inclination angle stopping means is the spacing regulation screw mandrel being arranged between the pedestal of jointed shaft both sides and frame
Screw.
It is used as preferred plan of the present utility model：Also set in frame by the light impurities between interior screen drum and outer screen drum from
Feed end blows out the cleaning blower fan of screen drum.
Beneficial effect：Grain rotary screen in pentagonal section of the present utility model is as a result of the pentagonal section grain
Rotary screen includes frame, and rotatable screen drum is provided with frame, and the screen drum is the inclined screen that feed end is high, discharge end is low
Cylinder, is provided with support tube circle, provided with the support roller station being engaged with support tube circle in frame, in screen drum in the feed end of screen drum
Discharge end is provided with screen drum axle, provided with the screen drum bearing block being engaged with screen drum axle in frame, and driving sieve is additionally provided with frame
The decelerator of cylinder rotation, screen drum axle is coupled with reducer output shaft by gear, and the screen drum is by coaxial interior screen drum and outer sieve
Cylinder is constituted, and the radial section of interior screen drum and outer screen drum is regular pentagon, and the sieve diameter of interior screen drum is more than the sieve aperture of outer screen drum
Diameter, the high-end composition charging aperture of interior screen drum, the low side of interior screen drum constitutes thick impurities outlet, and the low side composition grain of outer screen drum is defeated
Outlet, the sieve aperture of outer screen drum barrel constitutes thin impurities outlet, and the decelerator is worm gear, worm-drive supplementary reduction, screen drum axle
With technical scheme of the reducer output shaft by straight spur gear joint transmission, grain is sieved using two coaxial screen drums
Choosing, primary screening is that can remove the thick impurity more than grain and the thin impurity less than grain, regular pentagon section
Screen drum in the case where not increasing screen drum diameter, add the width of plate shaped sieve plate, add what grain passed through from compass screen surface
Distance, makes grain fully be contacted with compass screen surface while making tumbling motion in screen drum, and impurity residual is few in the grain after screening, sieve
The quality of choosing is good, big using worm type of reduction gearing gearratio, and torque resistant is strong, and high transmission accuracy, the characteristic of stable drive overcomes
Torque ripple larger defect during the shaft screen operating of pentagonal section, makes pentagonal section screen drum also can under the percussion of grain
Steady operating, spur gear transmission have be driven it is accurate, noiseless, bear that radial load is larger, easy to maintenance, repair into
The advantages of this is low, service life is long, makes carrying and the disposal ability of grain rotary screen screen drum in pentagonal section of the present utility model
It is stronger.The technology being made up of as a result of the interior screen drum and outer screen drum screen drum skeleton and the sieve on screen drum skeleton
Feature so that in grain rotary screen in pentagonal section of the present utility model screen drum skeleton can using light steel clod wash it is compressing,
Frock molding is done, and has the advantages that tensile strength height, reliable in mechanical performance, and can reduce screen drum weight, is mitigated screen drum and is turned
The inertia of movable property life, improves running accuracy, it is ensured that screen drum operates steadily, and further increases screening quality.As a result of institute
State sieve to be made up of the rectangular steel plates for being stamped with sieve aperture, the sieve aperture is tubaeform sieve aperture, and the sieve aperture edge on the inside of screen drum is set
There is the technical characteristic of arc angling, the right-angled edge for overcoming the sieve aperture edge of the prior art without chamfering is right in the process of running
Grain surface causes to scratch destruction, the drawbacks of causing damaged grain, infringement grain quality, reduces grain in screening process
Breakage rate.It is that axial inclination can be with support tube circle rotary shaft angle change as a result of the screen drum support roller station
The adaptive screen drum support roller station of adjust automatically, screen drum support roller station is arranged on adaptive wheel seat, and adaptive wheel seat is provided with
The perpendicular pivot with screen drum supporting bracket wheel shaft, adaptive wheel seat makes support roller by the technical characteristic being pivotally secured within frame
Automatic to adapt to the change of screen drum rotation shaft angle, installation, the debugging of equipment are more convenient, and make screen drum stress evenly, run more flat
Surely.It is the screen drum that angle of inclination can be adjusted as a result of the screen drum, screen drum tilt adjustment is provided with the discharge end of screen drum
Swing seat, decelerator and screen drum bearing block are fixed on the technical characteristic on screen drum tilt adjustment swing seat, are adjusted by adjusting screen drum inclination angle
The angle of inclination of swing seat is saved, decelerator and the setting angle of screen drum bearing block is also changed, and then is realized to screen drum inclination
The adjustment of angle, allows kind and product of the grain rotary screen in pentagonal section of the present utility model easily according to screening grain
Quality factor adjustment screen drum angle of inclination, control screen drum is put out cereal speed, has not only widened pentagonal section grain rotary screen to grain
The scope of application of kind and quality, and taken into account production efficiency while screening quality is ensured.As a result of the sieve
Cylinder tilt adjustment swing seat includes pedestal, and in pedestal provided with axis hole is hinged, pedestal passes through the jointed shaft vertical with screen drum axle with frame
Connection, the technical characteristic of pedestal inclination angle stopping means is provided between pedestal and frame, makes the structure of screen drum tilt adjustment swing seat more
Simply, operation is more steady, and bearing capacity is stronger.It is to be arranged on jointed shaft both sides as a result of pedestal inclination angle stopping means
Pedestal and frame between spacing adjust screw mandrel screw technical characteristic, make the regulation more convenient operation at screen drum angle of inclination,
Speed faster, and screw mandrel screw self-locking performance more preferably, work long hours, shake screen drum can also keep set angle of inclination.By
The cleaning blower fan that the light impurities between interior screen drum and outer screen drum are blown out to screen drum from feed end is also set in frame in employing
Technical characteristic, make to be mixed in the scurf in grain, dust etc. and also can effectively be cleared up, further increase screening after grain
The quality of food.
Brief description of the drawings
Grain rotary screen in pentagonal section of the present utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of grain rotary screen in pentagonal section of the present utility model；
Fig. 2 is the longitudinal profile mplifying structure schematic diagram of sieve aperture in grain rotary screen in pentagonal section of the present utility model.
Embodiment
As shown in figure 1, grain rotary screen in pentagonal section of the present utility model, including frame 19, being provided with frame can
With the screen drum of rotation, the screen drum is the inclination screen drum that feed end is high, discharge end is low, and support tube circle is provided with the feed end of screen drum
14, at least provided with two support roller stations 15 being engaged with support tube circle in frame, support roller station will from support tube ring outer wall
Screen drum is held up, and screen drum is rotated freely around axis, and the screen drum support roller station is that axial inclination can be supported with screen drum
The adaptive screen drum support roller station of cylinder circle rotary shaft angle change and adjust automatically, screen drum support roller station is arranged on adaptive
On wheel seat 16, adaptive wheel seat is provided with the pivot 17 perpendicular with screen drum supporting bracket wheel shaft, and adaptive wheel seat is solid by pivot
It is scheduled in frame, in the course of work, adaptive wheel seat is around pivot fine rotation, you can support roller station is kept automatically with screen drum axle
Parastate.Screen drum axle 8 is provided with the discharge end of screen drum, provided with the screen drum bearing block 9 being engaged with screen drum axle in frame,
The decelerator 5 of driving screen drum rotation is additionally provided with frame, screen drum axle is coupled with reducer output shaft by gear, the decelerator
Preferably worm gear, worm-drive supplementary reduction, screen drum axle pass through straight spur gear joint transmission with reducer output shaft.It is described
Screen drum is the screen drum that angle of inclination can be adjusted, and screen drum tilt adjustment swing seat 11, decelerator and sieve are provided with the discharge end of screen drum
Cylinder bearing block is fixed on screen drum tilt adjustment swing seat.The screen drum tilt adjustment swing seat includes pedestal, is provided with and is hinged in pedestal
Axis hole, pedestal is connected with frame by the jointed shaft 12 vertical with screen drum axle, spacing provided with pedestal inclination angle between pedestal and frame
Device.Pedestal inclination angle stopping means is the spacing regulation screw mandrel screw being arranged between the pedestal of jointed shaft both sides and frame
10, the number of regulation screw mandrel screw can be adjusted according to actual needs.The screen drum is by coaxial interior screen drum 6 and outer screen drum
3 are constituted, and the radial section of interior screen drum and outer screen drum is regular pentagon, and the interior screen drum and outer screen drum are by screen drum skeleton 4 and peace
Sieve 1 on screen drum skeleton is constituted, and the sieve is made up of the rectangular steel plates for being stamped with sieve aperture 2, and the sieve aperture of interior screen drum is straight
Footpath is more than the sieve diameter of outer screen drum, and the high-end composition charging aperture of interior screen drum, the low side of interior screen drum constitutes thick impurities outlet, outer sieve
The low side of cylinder constitutes grain delivery outlet, and the sieve aperture of outer screen drum barrel constitutes thin impurities outlet.Also set in frame by interior screen drum with
Light impurities between outer screen drum blow out the cleaning blower fan of screen drum from feed end, preferably, setting two axial-flow type in frame
Blower fan（7、13）, the discharge bucket 18 corresponding with thick impurities outlet, thin impurities outlet, grain delivery outlet is provided with below frame.
As shown in Fig. 2 the sieve aperture 2 is tubaeform sieve aperture, the sieve aperture edge on the inside of screen drum is provided with arc angling 20.
Preferred embodiment of the present utility model described in detail above, still, the utility model is not limited to above-mentioned reality
The detail in mode is applied, in range of the technology design of the present utility model, the technical solution of the utility model can be entered
The a variety of simple variants of row, these simple variants belong to protection domain of the present utility model.
Claims (7)
1. a kind of pentagonal section grain rotary screen, including frame, are provided with rotatable screen drum in frame, it is characterized in that：
The screen drum is the inclination screen drum that feed end is high, discharge end is low, is provided with support tube circle in the feed end of screen drum, is provided with frame
The support roller station being engaged with support tube circle, screen drum axle is provided with the discharge end of screen drum, is provided with and is matched with screen drum axle in frame
The screen drum bearing block of conjunction, is additionally provided with the decelerator of driving screen drum rotation in frame, and screen drum axle passes through tooth with reducer output shaft
Wheel connection, the screen drum is made up of coaxial interior screen drum and outer screen drum, and the radial section of interior screen drum and outer screen drum is positive five side
Shape, the sieve diameter of interior screen drum is more than the sieve diameter of outer screen drum, the high-end composition charging aperture of interior screen drum, the low side structure of interior screen drum
Into thick impurities outlet, the low side of outer screen drum constitutes grain delivery outlet, and the sieve aperture of outer screen drum barrel constitutes thin impurities outlet, described to subtract
Fast device is worm gear, worm-drive supplementary reduction, and screen drum axle passes through straight spur gear joint transmission with reducer output shaft.
2. grain rotary screen in pentagonal section according to claim 1, it is characterized in that：The interior screen drum and outer screen drum are by sieving
Cylinder skeleton and the sieve on screen drum skeleton are constituted, and the sieve is made up of the rectangular steel plates for being stamped with sieve aperture, the sieve
Hole is tubaeform sieve aperture, and the sieve aperture edge on the inside of screen drum is provided with arc angling.
3. grain rotary screen in pentagonal section according to claim 2, it is characterized in that：The screen drum support roller station is axially
Inclination angle can with support tube circle rotary shaft angle change adjust automatically adaptive screen drum support roller station, screen drum supporting bracket
Wheel is arranged on adaptive wheel seat, and adaptive wheel seat is provided with the pivot perpendicular with screen drum supporting bracket wheel shaft, adaptive wheel seat
By being pivotally secured within frame.
4. grain rotary screen in pentagonal section according to claim 3, it is characterized in that：The screen drum is that angle of inclination can be with
The screen drum of regulation, is provided with screen drum tilt adjustment swing seat, decelerator and screen drum bearing block are fixed on screen drum and inclined in the discharge end of screen drum
On angle regulation swing seat.
5. grain rotary screen in pentagonal section according to claim 4, it is characterized in that：The screen drum tilt adjustment swing seat bag
Pedestal is included, in pedestal provided with axis hole is hinged, pedestal is connected with frame by the jointed shaft vertical with screen drum axle, in pedestal and frame
Between be provided with pedestal inclination angle stopping means.
6. grain rotary screen in pentagonal section according to claim 5, it is characterized in that：Pedestal inclination angle stopping means is
It is arranged on the spacing regulation screw mandrel screw between the pedestal of jointed shaft both sides and frame.
7. grain rotary screen in pentagonal section according to claim 6, it is characterized in that：Also set in frame by interior screen drum with
Light impurities between outer screen drum blow out the cleaning blower fan of screen drum from feed end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720007623.0U CN206435452U (en) | 2017-01-05 | 2017-01-05 | A kind of pentagonal section grain rotary screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720007623.0U CN206435452U (en) | 2017-01-05 | 2017-01-05 | A kind of pentagonal section grain rotary screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206435452U true CN206435452U (en) | 2017-08-25 |
Family
ID=59643825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720007623.0U Expired - Fee Related CN206435452U (en) | 2017-01-05 | 2017-01-05 | A kind of pentagonal section grain rotary screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206435452U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108480205A (en) * | 2018-02-06 | 2018-09-04 | 青岛荣泰铸造机械有限公司 | A kind of screening machine |
-
2017
- 2017-01-05 CN CN201720007623.0U patent/CN206435452U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108480205A (en) * | 2018-02-06 | 2018-09-04 | 青岛荣泰铸造机械有限公司 | A kind of screening machine |
| CN108480205B (en) * | 2018-02-06 | 2020-02-07 | 青岛荣泰铸造机械有限公司 | Screening machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170825 Termination date: 20200105 |