CN206716433U - A kind of powder automatic sieving unit - Google Patents
A kind of powder automatic sieving unit Download PDFInfo
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- CN206716433U CN206716433U CN201720362694.2U CN201720362694U CN206716433U CN 206716433 U CN206716433 U CN 206716433U CN 201720362694 U CN201720362694 U CN 201720362694U CN 206716433 U CN206716433 U CN 206716433U
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Abstract
A kind of powder automatic sieving unit, including swinging screen, the swinging screen includes charging aperture, base, support, casing, dust cap, the dust cap is fixed on the top of casing, the charging aperture is located on dust cap, the base is fixed on the bottom of casing, the base is fixed with motor, the base is connected to motor by automatic limit device, the bottom of the automatic limit device is fixed on support, the automatic limit device includes rotating bar, first block, second block, first limit switch, second limit switch and disk the beneficial effects of the utility model are：Safety and steady is swung, noise is small, and swing speed is adjustable, and screening effect is good, and stifled sieve probability is low, and cleaning ball Oscillation Amplitude is moderate.
Description
Technical field
A kind of screening plant is the utility model is related to, particularly a kind of powder automatic sieving unit, belongs to power production and sets
Standby technical field.
Background technology
In actual production, screening powder material mainly passes through spin vibration sieve and swinging screen, and both equipment respectively have oneself
Advantage and disadvantage.It is relative to swinging screen, the advantages of spin vibration sieve：Working method is adjustable, can be adjusted according to the counter weight of vibrating motor
Phase angle is saved, vibration force, which is converted into three kinds of power (vertical, horizontal, inclination), acts on compass screen surface, completes screening process.Spin vibration sieve phase
It is for the inferior position of swinging screen：Noise is bigger.For screening precision while yield is ensured, screening precision is difficult less than production
Measure relatively small.In addition, vibrating motor is the component for producing exciting force, and the size of exciting force is then determined by vibrating motor
's.Exciting force is excessive, and situation about shattering occurs in sieving machine, influences service life；If exciting force is too small, it is possible to occur
Material gives screen cloth situation about blocking.
Swinging screen is relative to the advantages of spin vibration sieve：Yield is relatively large, screening precision is higher than spin vibration sieve, noise is low,
Wobble frequency can be adjusted according to the frequency converter of installation, convenient and swift.Swinging screen is relative to the inferior position of spin vibration sieve：Because wave
What sieve was introduced is external production technology, so require higher in process component precision, the swinging screen of domestic production at present,
Due to technical elements, cause that parts machining precision is not high, and fit tolerance is larger, so the service life of equipment is not
It is long.It is most universal problem appear to is that the easy modification of screen frame, rubber stay column are easily broken off in use at present.Technology immature and
Expensive price, determines that the occupation rate in swinging screen market is low.
Utility model content
The utility model can be designed in view of the deficienciess of the prior art, provide a kind of novel powder automatic sieving unit
Into model of different sizes, the batch screening suitable for a small amount of screening and industrial production.
The technical scheme that the utility model solves above-mentioned technical problem is as follows：A kind of powder automatic sieving unit, including shake
Vibrating screen, the swinging screen include charging aperture, base, support, casing, dust cap, and the dust cap is fixed on the top of casing, institute
State charging aperture to be located on dust cap, the bottom of the base static housing, the base is fixed with motor, and the base passes through certainly
Dynamic stopping means is connected to motor, and the bottom of the automatic limit device is fixed on support, and the automatic limit device includes
Rotating bar, the first block, the second block, the first limit switch, the second limit switch and disk；
Disk, is cylindrical shape, and the central shaft of disk is connected to motor and rotated with motor；
Rotating bar, one end are fixed on base, and one end is fixed in the curved side of disk, and with disk rotational, band shakes
Vibrating screen is swung；
First limit switch, it is fixed in a plane of disk, is rotated coaxially with disk；
Second limit switch, it is fixed in another plane relative to the disk where the first limit switch, with disk
Rotate coaxially, the second limit switch and the first limit switch are located at the diverse location of disk；
First block, the bottom of the first block are fixed on support, and the first limit switch is pressed to first with disk rotational
During block, controlled motor power-off, rotating bar is set to stop operating；
Second block, the bottom of the second block are fixed on support, and the second limit switch is pressed to first with disk rotational
During block, controlled motor power-off, rotating bar is set to stop operating；First block and the second block are located at the first limit switch and second
Position between limit switch；, can be in motor Double-directional rotary by setting the second block, equally can be two rotation sides
Control rotating bar rotation amplitude, maximum rotation angle are determined by the angle of the first block and the second block upwards.
The utility model changes the swing mechanism of traditional swinging screen, is driven and waved using automatic limit device controlled motor
Amplitude, swing speed can be adjusted by input current size, it is convenient.
Further, the automatic limit device also includes the first relay and the second relay, first relay and
Second relay may be provided inside disc surfaces or disk, and first relay electrically connect the first limit switch, described
Second relay electrically connect the second limit switch, and first relay and the second relay electrically connect motor.First gear
When block presses the first limit switch, the terminal of the first relay is changed into normally opened, and circuit disconnects, motor power-off；Motor antiport
When, when the second block presses the second limit switch, the terminal of the second relay is changed into normally opened, and circuit disconnects, motor power-off.
Further, decelerator is housed between the automatic limit device and motor, reduces rotating speed, increases torque.
Further, the base is connected to support by elastic device, and the elastic device is spring or rubber rope, is used for
The swinging screen waved is balanced, buffering swinging screen brings the impact of rotating bar when waving so that wave more steadily, extend rotating bar
Service life.
Further, the box house is provided with least two screen clothes, and to tilt screen cloth, angle of inclination is more than negative the screen cloth
40 °, less than positive 40 °, tilt screen cloth and make it that screening is more abundant.
Further, cleaning ball is placed with the screen cloth, cleaning ball is beated to clear up mesh, with anti-blocking eye.
Further, the cleaning ball is fixed in upper screen or lower screen by spring or rubber rope, and traditional is clear
Sieve club, can be to buffering violent vibration plus elastic connection thing because violent vibration is easily broken.
Further, the screen cloth is shaped as circular, ellipse or rectangle.
Further, the device also includes automatic charging device, and automatic charging device entering for swinging screen by soft pipe connection
Material mouth.
Further, the automatic charging device is vacuum feeder, and the bottom of the vacuum feeder is provided with discharge valve, beaten
Discharge valve is driven, dust enters swinging screen.
The beneficial effects of the utility model are：Safety and steady is swung, noise is small, and swing speed is adjustable, and screening effect is good, blocks up
Sieve probability is low, and cleaning ball Oscillation Amplitude is moderate.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment；
Fig. 2 is the structural representation of automatic limit device and motor in embodiment；
Fig. 3 is the structural representation of the utility model embodiment；
Fig. 4 is the structural representation of automatic limit device, decelerator and motor in embodiment；
Fig. 5 is the structural representation of the utility model embodiment.
Wherein, 1, base；2nd, support；3rd, casing；4th, dust cap；5th, automatic limit device；5-1, disk；5-2, rotation
Bar；5-3, the first block；5-4, the second block；5-5, the first limit switch；5-6, the second limit switch；6th, decelerator；7th, it is electric
Machine；8th, elastic device；9th, screen cloth；10th, cleaning ball；11st, automatic charging device；12nd, charging aperture.
Embodiment
Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality
It is new, it is not intended to limit the scope of the utility model.
Embodiment 1
As illustrated in fig. 1 and 2, a kind of powder automatic sieving unit, including swinging screen, it is fixed with the casing 3 of swinging screen anti-
Dirt lid 4, base 1 is fixed with casing 3, charging aperture 12 is provided with dust cap 4, base 1 is fixed on support 2, and base 1 connects
Automatic limit device 5, automatic limit device 5 is connected to motor 7, and the bottom of automatic limit device 5 and motor 7 is fixed on support
On 2；
Automatic limit device 5 includes rotating bar 5-2, the first block 5-3, the second block 5-4, the first limit switch 5-5, the
Two limit switch 5-6 and disk 5-1；Disk 5-1 is cylindrical shape, and disk 5-1 central shaft is connected to motor 7 and with motor
7 rotate；Rotating bar 5-2 is fixed with disk 5-1 curved side, rotating bar 5-2 one end is fixed on base 1；In circle
Disk 5-1 two bottom surfaces are that the first limit switch 5-5, the second limit switch 5-6, the second limit switch are respectively fixed with plane
5-6 and the first limit switch 5-5 is located at disk 5-1 diverse location；First gear is fixed with support 2 or on other supporters
Block 5-3 and the second block 5-4, the first block 5-3 and the second block 5-4 is located at disk 5-1 both sides respectively, when motor 7 rotates,
The position of first block 5-3 and the second block 5-4 between the first limit switch 5-5 and the second limit switch 5-6.In disk
The first relay and the second relay are provided with inside 5-1 surfaces or disk 5-1, the first relay electrically connect the first limit switch
5-5, the second relay electrically connect the second limit switch 5-6, and the first relay and the second relay are connected motor 7 respectively.
Embodiment 2
As shown in Figures 3 and 4, on the basis of embodiment 1, decelerator 6 is housed between automatic limit device 5 and motor 7,
The spring of elastic device 8 is connected between base and support.Casing 3 is built-in with four inclination screen clothes 9, and angle of inclination is more than negative
40 °, less than positive 40 °.Cleaning ball 10 is placed with screen cloth 9, cleaning ball 10 is fixed in lower screen 9 by spring or rubber rope.
Embodiment 3
As different from Example 2, the present embodiment is connected with the rubber rope of elastic device 8 between base 1 and support 2.
Cleaning ball 10 is fixed in upper screen 9 by spring or rubber rope.The charging aperture 12 of swinging screen automatically by soft pipe connection
Feeding device 11, referring to Fig. 5.
Preferred embodiment of the present utility model is these are only, it is all in the utility model not to limit the utility model
Spirit and principle within, any modification, equivalent substitution and improvements made etc., should be included in protection model of the present utility model
Within enclosing.
Claims (10)
1. a kind of powder automatic sieving unit, including swinging screen, the swinging screen includes charging aperture, base, support, casing, anti-
Dirt lid, the dust cap are fixed on the top of casing, and the charging aperture is located on dust cap, and the base is fixed on the bottom of casing
Portion, the base are fixed with motor, it is characterised in that the base is connected to motor by automatic limit device, described automatic
The bottom of stopping means is fixed on support, and the automatic limit device includes rotating bar, the first block, the second block, first
Limit switch, the second limit switch and disk；
Disk, is cylindrical shape, and the central shaft of disk is connected to motor and rotated with motor；
Rotating bar, one end are fixed on base, and one end is fixed in the curved side of disk, with disk rotational, drive swinging screen
Swing；
First limit switch, it is fixed in a plane of disk, is rotated coaxially with disk；
Second limit switch, it is fixed in another plane relative to the disk where the first limit switch, it is coaxial with disk
Rotate；
First block, the bottom of the first block are fixed on support, and the first limit switch is pressed to the first block with disk rotational
When, controlled motor power-off, rotating bar is stopped operating；
Second block, the bottom of the second block are fixed on support, and the second limit switch is pressed to the first block with disk rotational
When, controlled motor power-off, rotating bar is stopped operating.
2. a kind of powder automatic sieving unit according to claim 1, it is characterised in that the automatic limit device also wraps
The first relay and the second relay are included, first relay and the second relay may be provided in disc surfaces or disk
Portion, first relay electrically connect the first limit switch, and second relay electrically connect the second limit switch, described
First relay and the second relay are electrically connected motor.
3. a kind of powder automatic sieving unit according to claim 1, it is characterised in that the automatic limit device and electricity
Decelerator is housed between machine.
4. a kind of powder automatic sieving unit according to claim 1, it is characterised in that the base passes through elastic device
Support is connected to, the elastic device is spring or rubber rope.
5. a kind of powder automatic sieving unit according to claim 1, it is characterised in that the box house is provided with least
Two screen clothes, the screen cloth is tilts screen cloth, and angle of inclination is more than minus 40 °, less than positive 40 °.
6. a kind of powder automatic sieving unit according to claim 5, it is characterised in that be placed with cleaning on the screen cloth
Ball.
A kind of 7. powder automatic sieving unit according to claim 6, it is characterised in that the cleaning ball by spring or
Rubber rope is fixed in upper screen or lower screen.
8. according to a kind of any described powder automatic sieving units of claim 5-7, it is characterised in that the shape of the screen cloth
For circular, ellipse or rectangle.
9. according to a kind of any described powder automatic sieving units of claim 1-7, it is characterised in that the device is also included certainly
Dynamic feeding device, automatic charging device the charging aperture of swinging screen by soft pipe connection.
10. a kind of powder automatic sieving unit according to claim 9, it is characterised in that the automatic charging device is
Vacuum feeder, the bottom of the vacuum feeder are provided with discharge valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720362694.2U CN206716433U (en) | 2017-04-07 | 2017-04-07 | A kind of powder automatic sieving unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720362694.2U CN206716433U (en) | 2017-04-07 | 2017-04-07 | A kind of powder automatic sieving unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206716433U true CN206716433U (en) | 2017-12-08 |
Family
ID=60504539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720362694.2U Active CN206716433U (en) | 2017-04-07 | 2017-04-07 | A kind of powder automatic sieving unit |
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| CN (1) | CN206716433U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112827796A (en) * | 2019-11-25 | 2021-05-25 | 中国石油天然气股份有限公司 | Sand screening device |
-
2017
- 2017-04-07 CN CN201720362694.2U patent/CN206716433U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112827796A (en) * | 2019-11-25 | 2021-05-25 | 中国石油天然气股份有限公司 | Sand screening device |
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