CN207507827U - A kind of cylindrical pre-cleaning screen - Google Patents
A kind of cylindrical pre-cleaning screen Download PDFInfo
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- CN207507827U CN207507827U CN201721515664.7U CN201721515664U CN207507827U CN 207507827 U CN207507827 U CN 207507827U CN 201721515664 U CN201721515664 U CN 201721515664U CN 207507827 U CN207507827 U CN 207507827U
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- Prior art keywords
- screen drum
- rack
- sieve plate
- cylindrical pre
- level
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Abstract
The utility model discloses a kind of cylindrical pre-cleaning screens, including rack, feed inlet is provided at the top of rack, machine frame inside is provided with screen drum, feeding screw is equipped in screen drum, screen drum bottom parallel shows ash hole, discharge port and impurity outlet, screen drum bottom and the junction of ash hole are provided with cyclone dust collectors, the bottom of screen drum and the junction of discharge port are provided with air duct, the variable-frequency motor for driving feeding screw rotation is provided at the top of rack, the side of the close ash hole of rack is equipped with the inlet scoop connected with screen drum, fan is provided on the inside of inlet scoop, and fan is electrically connected with variable-frequency motor.Cylindrical pre-cleaning screen disclosed in the utility model not only increases screening efficiency by the setting of cyclone dust collectors, variable-frequency motor and fan, and can substantially reduce power consumption, economical and practical, has a vast market prospect.
Description
Technical field
The utility model is related to grain processing equipment technical field, more particularly to a kind of cylindrical pre-cleaning screen.
Background technology
In the process of grain, generally use cylindrical pre-cleaning screen be processed before pretreatment, be mainly used for clearing up
Larger-size impurity in raw material, such as straw, straw, the scraps of paper, soil block, to reduce machinery equipment during subsequent operation, defeated
Device is sent to break down or cause damage.
Cylindrical pre-cleaning screen currently on the market is mostly old-fashioned structure, only screen drum is driven directly to be screened by motor, by
Cause screening efficiency low in unreasonable structure, have been unable to meet the growth requirement in market.
Therefore, how to provide a kind of screening efficiency high cylindrical pre-cleaning screen, be asking for those skilled in the art's urgent need to resolve
Topic.
Utility model content
In view of this, the utility model provides a kind of cylindrical pre-cleaning screen, can improve grain it is clear it is miscellaneous during screening
Efficiency.
To achieve these goals, the utility model adopts the following technical solution：
A kind of cylindrical pre-cleaning screen including rack, is provided with feed inlet at the top of the rack, the machine frame inside is provided with
Screen drum, the screen drum is interior to be equipped with feeding screw, and screen drum bottom parallel shows ash hole, discharge port and impurity outlet, described
Screen drum bottom and the junction of the ash hole are provided with cyclone dust collectors, the bottom of the screen drum and the connection of the discharge port
Place is provided with air duct, and the variable-frequency motor for driving the feeding screw rotation is provided at the top of the rack, and the rack is close
The side of the ash hole is equipped with the inlet scoop connected with the screen drum, and fan, and institute are provided on the inside of the inlet scoop
Fan is stated to be electrically connected with the variable-frequency motor.
The utility model discloses a kind of cylindrical pre-cleaning screen of offer, on the one hand by the setting in fan and air duct, can incite somebody to action
Light-weight, bulky impurity blows out screen drum, is separated by impurity outlet；On the other hand by the settings of cyclone dust collectors,
Dust-contained airflow is made to rotate, detached grit from air-flow by means of centrifugal force and is trapped in screen drum bottom, then by weight
Power effect makes grit fall into ash hole, so as to improve screening efficiency；Meanwhile using the AC speed-regulating mode of variable-frequency motor, become
Frequency modulation section screen drum speed not only ensure that good screening effect, but also can substantially reduce power consumption, energy-efficient, economic reality
With having a vast market prospect.
Preferably, the lower end of the feed inlet is connected with the feed pipe being obliquely installed, and the bottom of the feed pipe is placed in institute
It states in screen drum.Material by gravity from throat-fed, by the feed pipe being obliquely installed slip down to automatically in screen drum into
Row screening.
Preferably, the bottom of the screen drum is provided with level-one sieve plate and two level sieve plate, and the level-one sieve plate is set on the sieve
Cylinder bottom and the ash hole junction, the two level sieve plate are set on screen drum bottom and the discharge port junction, and described one
The aperture of grade sieve plate is less than the aperture of the two level sieve plate.Dust first passes through under the action of cyclone dust collectors in screening process
Ash hole is fallen under level-one sieve plate, dust free material continues to screen under the action of feeding screw, and grain grain passes through two level
Discharge port is fallen under sieve plate.
Preferably, the level-one sieve plate and the two level sieve plate are detachably installed so that whole equipment is easy to maintenance, just
In maintenance.
Preferably, the inside of the inlet scoop is additionally provided with filter core, and external new impurity leads to during avoiding fan work
It crosses inlet scoop and enters screen drum.
Preferably, the rack is provided with observation window close to the side of the impurity outlet, for observing inner case.
Preferably, hanging ring is additionally provided at the top of the rack, facilitates and carry entire cylindrical pre-cleaning screen equipment.
It can be seen via above technical scheme that compared with prior art, the utility model discloses provide a kind of cylinder at the beginning of
Cleaning not only increases screening efficiency, and can substantially reduce power consumption, economical and practical, has a vast market prospect.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiment of the utility model, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 attached drawings are the structure diagram of the utility model.
Structure diagram of Fig. 2 attached drawings for the screen drum of the utility model.
Fig. 3 attached drawings are the left view of the utility model.
Wherein, 1 is rack, and 2 be screen drum, and 3 be feeding screw, and 4 be ash hole, and 5 be discharge port, and 6 be impurity outlet, and 7 be rotation
Wind deduster, 8 be air duct, and 9 be variable-frequency motor, and 10 be inlet scoop, and 11 be fan, and 12 be feed inlet, and 13 be feed pipe, and 14 is see
Window is examined, 15 be hanging ring, and 201 be level-one sieve plate, and 202 be two level sieve plate.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
The utility model embodiment is disclosed including rack 1, and the top of rack 1 is provided with feed inlet 12, is set inside rack 1
Screen drum 2 is equipped with, feeding screw 3 is equipped in screen drum 2,2 bottom parallel of screen drum shows ash hole 4, discharge port 5 and impurity outlet 6, sieves
2 bottoms of cylinder and the junction of ash hole 4 are provided with cyclone dust collectors 7, and the bottom and the junction of discharge port 5 of screen drum 2 are provided with
Air duct 8, the top of rack 1 are provided with the variable-frequency motor 9 that feeding screw 3 is driven to rotate, and rack 1 is pacified close to the side of ash hole 4
Equipped with the inlet scoop 10 connected with screen drum 2, the inside of inlet scoop 10 is provided with fan 11.
The utility model discloses a kind of cylindrical pre-cleaning screen of offer, can on the one hand by the setting in fan 11 and air duct 8
By light-weight, bulky impurity blowout screen drum 2, separated by impurity outlet 6；On the other hand pass through cyclone dust collectors 7
Setting, is made dust-contained airflow rotate, grit is detached from air-flow by means of centrifugal force and is trapped in 2 bottom of screen drum, then
Grit is made to fall into ash hole 4 by gravity, so as to improve screening efficiency；Meanwhile using the AC speed regulating of variable-frequency motor 9
Mode, variable frequency adjustment screen drum speed not only ensure that good screening effect, and can substantially reduce power consumption, it is energy-efficient,
It is economical and practical, have a vast market prospect.
Wherein, variable-frequency motor can realize different rotating speed and torque under the driving of frequency converter, to adapt to the need of load
Variation is asked, variable-frequency motor is changed to traditional motor fan independent wind turbine, and improves the insulating properties of machine winding
Energy.
In order to further optimize above-mentioned technical proposal, the lower end of feed inlet 12 is connected with the feed pipe 13 being obliquely installed,
The bottom of feed pipe 13 is placed in screen drum 2.Material is fed by gravity from feed inlet 12, passes through the feed pipe being obliquely installed
13 automatic slip down to are screened in screen drum 2.
In order to further optimize above-mentioned technical proposal, the bottom of screen drum 2 is provided with level-one sieve plate 201 and two level sieve plate
202, level-one sieve plate 201 is set on 2 bottom of screen drum and 4 junction of ash hole, and two level sieve plate 202 is set on 2 bottom of screen drum and discharge port 5
Junction, and the aperture of level-one sieve plate 201 is less than the aperture of two level sieve plate 202.Dust is in cyclone dust collectors 7 in screening process
Under the action of first pass through ash hole 4 fallen under level-one sieve plate 201, dust free material continues under the action of feeding screw 3
Screening, grain grain under two level sieve plate 201 by falling on discharge port 5, so as to obtain required material.
In order to further optimize above-mentioned technical proposal, level-one sieve plate 201 and the detachable installation of two level sieve plate 202, make
It is easy to maintenance to obtain whole equipment, convenient for safeguarding.
In order to further optimize above-mentioned technical proposal, the inside of inlet scoop 10 is additionally provided with filter core, avoids 11 work of fan
External new impurity enters screen drum 2 by inlet scoop 10 during making.
In order to further optimize above-mentioned technical proposal, rack 1 is provided with observation window 14 close to the side of impurity outlet 6, uses
In observation device inner case.
In order to further optimize above-mentioned technical proposal, the top of rack 1 is additionally provided with hanging ring 15, facilitates the entire circle of carrying
Cylinder receiving sieve equipment.
During sieve material, material is added in by feed inlet 12, by feed pipe 13, material is sent to the right end inside screen drum 2,
Positioned at the top of ash hole 4, under the action of cyclone dust collectors 7, dust-contained airflow is made to rotate, it will be grey by means of centrifugal force
Grit detaches from air-flow and is trapped in 2 bottom of screen drum, then grit is made to fall into ash discharge across level-one sieve plate 201 by gravity
Mouth 4, so as to first separate grit；Then under the drive of variable-frequency motor 9, fan 11 starts to rotate, and wind-force is along air duct 8
By light-weight, bulky impurity blowout screen drum 2, separated by impurity outlet 6；Feeding screw 3 starts to rotate simultaneously, drives
Material is turned left conveying from the right side, and in transmission process, the material of normal granules size can fall into discharge port 5 across two level sieve plate 202
It is interior, obtain required material.The larger sundries of remainder particulate then continues to convey forward, is discharged until falling into impurity outlet 6.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so description is fairly simple, related part is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or new using this practicality
Type.A variety of modifications of these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide range consistent with features of novelty.
Claims (7)
1. a kind of cylindrical pre-cleaning screen including rack (1), is provided with feed inlet (12), feature exists at the top of the rack (1)
In the rack (1) is internally provided with screen drum (2), and feeding screw (3), screen drum (2) bottom are equipped in the screen drum (2)
Parallel shows ash hole (4), discharge port (5) and impurity outlet (6), screen drum (2) bottom and the connection of the ash hole (4)
Place is provided with cyclone dust collectors (7), and the bottom of the screen drum (2) is provided with air duct (8) with the junction of the discharge port (5),
The variable-frequency motor (9) for driving feeding screw (3) rotation is provided at the top of the rack (1), the rack (1) is close to institute
The side for stating ash hole (4) is equipped with the inlet scoop (10) connected with the screen drum (2), the inside setting of the inlet scoop (10)
There is fan (11), and the fan (11) is electrically connected with the variable-frequency motor (9).
2. a kind of cylindrical pre-cleaning screen according to claim 1, which is characterized in that the lower end of the feed inlet (12) is connected with
The feed pipe (13) being obliquely installed, the bottom of the feed pipe (13) are placed in the screen drum (2).
3. a kind of cylindrical pre-cleaning screen according to claim 2, which is characterized in that the bottom of the screen drum (2) is provided with one
Grade sieve plate (201) and two level sieve plate (202), the level-one sieve plate (201) is set on the screen drum (2) bottom and the ash hole
(4) junction, the two level sieve plate (202) is set on screen drum (2) bottom and the discharge port (5) junction, and the level-one is sieved
The aperture of plate (201) is less than the aperture of the two level sieve plate (202).
4. a kind of cylindrical pre-cleaning screen according to claim 3, which is characterized in that the level-one sieve plate (201) and described two
The detachable installation of grade sieve plate (202).
5. a kind of cylindrical pre-cleaning screen according to claim 4, which is characterized in that the inside of the inlet scoop (10) is also set up
There is filter core.
6. a kind of cylindrical pre-cleaning screen according to claim 5, which is characterized in that the rack (1) is close to the impurity outlet
(6) side is provided with observation window (14).
7. a kind of cylindrical pre-cleaning screen according to claim 6, which is characterized in that be additionally provided at the top of the rack (1)
Hanging ring (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721515664.7U CN207507827U (en) | 2017-11-14 | 2017-11-14 | A kind of cylindrical pre-cleaning screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721515664.7U CN207507827U (en) | 2017-11-14 | 2017-11-14 | A kind of cylindrical pre-cleaning screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207507827U true CN207507827U (en) | 2018-06-19 |
Family
ID=62538757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721515664.7U Expired - Fee Related CN207507827U (en) | 2017-11-14 | 2017-11-14 | A kind of cylindrical pre-cleaning screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207507827U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110420830A (en) * | 2019-09-03 | 2019-11-08 | 北京市劳动保护科学研究所 | A kind of just clear cylinder screen(ing) machine |
| CN114112560A (en) * | 2021-12-14 | 2022-03-01 | 海南昊霖环保科技有限公司 | Hierarchical sampling method and device for air monitoring |
-
2017
- 2017-11-14 CN CN201721515664.7U patent/CN207507827U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110420830A (en) * | 2019-09-03 | 2019-11-08 | 北京市劳动保护科学研究所 | A kind of just clear cylinder screen(ing) machine |
| CN114112560A (en) * | 2021-12-14 | 2022-03-01 | 海南昊霖环保科技有限公司 | Hierarchical sampling method and device for air monitoring |
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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 |
Granted publication date: 20180619 Termination date: 20201114 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |