CN201644379U - Vibrating screen classifier used for metal and non-metal powder - Google Patents
Vibrating screen classifier used for metal and non-metal powder Download PDFInfo
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- CN201644379U CN201644379U CN2010201298848U CN201020129884U CN201644379U CN 201644379 U CN201644379 U CN 201644379U CN 2010201298848 U CN2010201298848 U CN 2010201298848U CN 201020129884 U CN201020129884 U CN 201020129884U CN 201644379 U CN201644379 U CN 201644379U
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Abstract
A vibrating screen classifier used for metal and non-metal powder comprises a base (4), a spring (3), a screen frame (2) and a vibrator (5). The vibrator (5) comprises a double-shaft-extension electromotor (51), upper and lower eccentric hammers (52, 53) and a stopper (54), the electromotor (51) is vertically mounted on the screen frame (2), the lower eccentric hammer (53) is fixed on a lower shaft extension (512) of the electromotor (51), the upper eccentric hammer (52) is rotatably mounted on an upper shaft extension (511) and provided with a stopping column (521) standing axially, and the stopper (54) is simultaneously fixed on the upper shaft extension (511). The stopper (54) is provided with two stop levers (541, 542) extending radially, an arc distance is arranged between the two stop levers (541, 542), and the stop lever (521) is located on an arc line between the two stop levers. The screen classifier can be used for high-mesh screening level, and has the advantages that the screen classifier has larger screening area, high screening efficiency, larger flow and simple and reliable structure, powder stays on the screen classifier for a long time, and small particles are not easy to be adhered with large particles.
Description
[technical field]
The utility model relates to uses net, screen, the device of grid or other similar instrument dusting covers, scalping, screening or separating solid materials.Relate in particular to the facility that are used for metal and the classification of non-metal powder vibrosieve.
[background technology]
Vibrating screen classifier is a kind of machine that is widely used in classification of solid particles, and particularly following metal of 150 orders or non-metal solid powder classification use quite extensive.The prior art vibrating screen classifier comprises support, spring, screen frame and vibrator, screen frame is connected with support elasticity by spring, and vibrator is installed on the screen frame, and one deck screen cloth is installed on the screen frame at least, there is discharging opening at the edge of every layer of screen cloth, and charging aperture is arranged at the top of screen frame.Vibrator can be machinery or electromagnetism, under the vibrator effect, screen frame drives screen cloth and does vertical vibration and horizontal sieving simultaneously, makes the solid particle that enters from the top charging aperture, separates by the size of its particle according to screen cloth quantity.The vibration frequency of screen frame is lower, generally has only tens hertz, and powder is less with the relative vibration force between screen cloth, and effectively screening efficiency is lower.For light weight, out-of-shape, rough surface or moist fine powder, occur powder adherence sieve screen apertures or granule easily and adhere to oarse-grained phenomenon, the work of sieve powder can not normally be carried out, and influence screening quality.Although as described in Chinese patent CN 2435159, adopted the clear net mode of ultrasonic vibration, but because the energy and the screen mesh size of present ultrasonic screening machine ultrasonic vibrator are limited, the screening machine diameter can not be very big, generally in Ф 1200mm, make the prior art vibrating screen classifier when using high order number (for example 150 orders～600 orders) screen cloth, because it is little to cross web area, powder time of staying on screening machine is short, screening efficiency is not high, usually can only reach 60%～80%, and the screening flow is less, sieving capacity is restricted.
[summary of the invention]
The technical problems to be solved in the utility model is to provide a kind of solid particle vibrating screen classifier, be applicable to the sieve classification of the high order number of metal and non-metal powder (for example 150 order to 635 orders), it is big to have web area, powder time of staying on screening machine is long, it is bigger that granule is not easy to adhere to bulky grain, screening efficiency height, flow, and simple and reliable advantage.
The technical scheme that the utility model solve the technical problem employing is: a kind of vibrating screen classifier that is used for metal and non-metal powder is provided, comprise support, spring, screen frame and vibrator, screen frame is connected with support elasticity by spring, vibrator is installed on the screen frame, at least one deck screen cloth is installed on the screen frame, there is discharging opening at the every layer of corresponding screen frame of screen cloth edge, charging aperture is arranged at the top of screen frame, especially, described vibrator comprises motor, last eccentric hammer, following eccentric hammer and block, described motor is that twin shaft is stretched motor and (vertical installation) vertically is installed on screen frame, described eccentric hammer down is fixed on the following shaft extension of motor, described upward eccentric hammer is rotatably installed on the motor and (is dynamically connected with shaft extension on the motor) on the shaft extension, there is a stop column that axially erects to be positioned on its line of symmetry on the last eccentric hammer, described block is fixed in the last shaft extension axle head of motor simultaneously, and two pins (first pin and second pin) that radially extend are arranged on the block.Between this two pin the camber line distance is arranged, the stop column on the last eccentric hammer is on the camber line between this two pin.
The position relation of upper and lower eccentric hammer on motor reel is called the phase place of upper and lower eccentric hammer.Last eccentric hammer line of symmetry is called upper and lower eccentric hammer phase difference with the angle of following eccentric hammer line of symmetry orthographic projection on the sagittal plane of motor reel, when this phase difference is between 0 °～45 °, pressed powder on the screen cloth was assembled in the middle of screen cloth and is detained and sieves on screen cloth in when screening, saw through screen cloth less than the pressed powder of sieve mesh and fell; When this phase difference was between 45 °～90 °, the pressed powder greater than sieve mesh on the screen cloth fell into discharging opening to the diffusion of screen cloth outer when sieving.
Stop column on the last eccentric hammer is near claiming first phase place on the block during first pin, stop column on the last eccentric hammer is near claiming second phase place on the block during second pin, when being in first phase place, the upper and lower eccentric hammer phase difference between the line of symmetry separately is between 0 °～45 °, when being in second phase place, the upper and lower eccentric hammer phase difference between the line of symmetry separately is between 45 °～90 °.Like this when motor just changes, stop column on the last eccentric hammer is stopped promotion by first pin on the block, making eccentric hammer and following eccentric hammer be in first phase place rotates with motor reel, and when motor reverses, stop column on the last eccentric hammer is stopped promotion by second pin on the block, makes eccentric hammer and following eccentric hammer be in second phase place and rotates with motor reel.The utility model first pin is in first phase difference qualification of upper and lower eccentric hammer between 0 °～45 ° when motor just changes, and second pin is in second phase difference qualification of upper and lower eccentric hammer between 45 °～90 ° when motor reverses.Pass through the mode of batch (-type) blanking like this, motor is just changeed, this moment, the phase difference of upper and lower eccentric hammer was between 0 °～45 °, making the pressed powder material be detained time enough on screen cloth does sufficient screw and carries out shake screening, fall off the netly thereby make particle diameter can pass screen cloth fully, obtain high screening efficiency less than the powder of mesh.Make motor counter-rotating then, this moment, the phase difference of upper and lower eccentric hammer was between 45 °～90 °, made particle diameter fall into discharging opening greater than the pressed powder material of mesh to the diffusion of screen cloth outer and carried out discharge.
On upper and lower eccentric hammer, balancing weight can be installed, the size of the weight of balancing weight and its radius of gyration decision vibration force, according to different powders, the weight of flexible modulation balancing weight and the radius of gyration can make vibratory sieve work in optimum state.
Compare with prior art, the beneficial effects of the utility model are: the sieve classification that can be used for the high order number (for example 150 order to 635 orders) of metal and non-metal powder, it is big to have web area, powder time of staying on screening machine is long, it is bigger that granule is not easy to adhere to bulky grain, screening efficiency height, flow, and advantage simple and reliable for structure.
[description of drawings]
Fig. 1 is a kind of main schematic diagram of looking of orthographic projection that is used for the vibrating screen classifier preferred embodiment structure of metal and non-metal powder of the utility model;
Fig. 2 is the phase diagram of the upper and lower eccentric hammer of described preferred embodiment screening machine when vibrating motor just changes;
Fig. 3 is the phase diagram of the upper and lower eccentric hammer of described preferred embodiment screening machine when vibrating motor reverses;
Fig. 4 is the C-C cutaway view of Fig. 2;
When Fig. 5 is just changeing for the utility model preferred embodiment screening machine vibrating motor, the movement locus figure of solid particle on screen cloth;
When Fig. 6 is the counter-rotating of described preferred embodiment screening machine vibrating motor, the movement locus figure of solid particle on screen cloth.
Among above-mentioned each figure: 1 is that blanking device, 2 is that screen frame, 21 is that charging aperture, 22 is that screen cloth, 23 is that rack, 24 is that discharging opening, 3 is that spring, 4 is that support, 5 is that vibrator, 51 is that motor, 511 is that shaft extension on the motor, 512 is that shaft extension under the motor, 52 is that last eccentric hammer, 521 is that stop column, 523 is that eccentric hammer, 531 was that balancing weight, 54 is that block, 541 is that first lever, 542 is that second pin, 7 is a frequency-variable controller under balancing weight, 53 was.
[specific embodiment]
The utility model is described in further detail below in conjunction with each accompanying drawing.
Referring to accompanying drawing 1 to 4, the utility model " a kind of vibrating screen classifier that is used for metal and non-metal powder " preferred embodiment comprises support 4, spring 3, screen frame 2 and vibrator 5, screen frame 2 is connected with support 4 elasticity by spring 3, vibrator 5 is installed on the screen frame 2, at least one deck screen cloth 22 is installed on the screen frame 2, there is discharging opening 24 at the every layer of corresponding screen frame of screen cloth edge, charging aperture 21 is arranged at the top of screen frame 2, especially, described vibrator 5 comprises motor 51, last eccentric hammer 52, following eccentric hammer 53 and block 54, described motor 51 is that twin shaft is stretched motor and vertically is installed on the screen frame 2, described eccentric hammer 53 down is fixed on the following shaft extension 512 of motor 51, described going up on the last shaft extension 511 that eccentric hammer 52 is rotatably installed on motor 51 (being dynamically connected) with the last shaft extension 511 of motor, there is a stop column that axially erects 521 to be positioned on its line of symmetry on the last eccentric hammer 52, described block 54 is fixed in last shaft extension 511 axle heads of motor 51 simultaneously, two pins (first pin 541 and second pin 542) that radially extend are arranged on the block 54, these two pins 541, the camber line distance is arranged between 542, stop column 521 on the last eccentric hammer 52 promptly is arranged in the middle gap of these two pins on the camber line between this two pin.
Referring to Fig. 2, Fig. 3, in preferred embodiment of the present utility model, stop column 521 on the last eccentric hammer 52 is near on the block 54 during first pin 541, the upper and lower eccentric hammer phase difference α between the line of symmetry separately is between 0 °～45 °, stop column 521 on the last eccentric hammer 52 is near on the block 54 during second pin 542, and the upper and lower eccentric hammer phase difference beta between the line of symmetry separately is between 45 °～90 °.Pass through the mode of batch (-type) blanking like this, motor 51 is just being changeed, this moment, upper and lower eccentric hammer was in first phase place, its phase difference α is between 0 °～45 °, make the pressed powder material on screen cloth 22, stop time enough and carry out the shake screening, and do the motion of sufficient forward, reverse acting spiral, and fall off the netly thereby make particle diameter can pass screen cloth 22 fully less than the powder of mesh, obtain high screening efficiency.Make motor 51 counter-rotating then, this moment, upper and lower eccentric hammer was in second phase place, and its phase difference beta is between 45 °～90 °, made particle diameter fall into discharging opening 24 greater than the pressed powder material of mesh to the diffusion of screen cloth 22 outers and carried out discharge.
In preferred embodiment of the present utility model, on the last eccentric hammer 52 balancing weight 523 is installed, on the following eccentric hammer 53 balancing weight 531 also is installed, the weight of balancing weight 523,531 and radius of gyration system thereof are according to the differing texture flexible modulation of powder, so that vibratory sieve works in optimum state.
Described frequency-variable controller 7 comprises electric power frequency changer circuit, multiple spot timing circuit and output power phase sequence translation circuit, this frequency-variable controller 7 is electrically connected with motor 51, for this motor 51 is presented frequency, the changeable alternating electromotive force of phase sequence, to regulate the rotating speed and the rotating time of motor 51.For alloy welding powder, the forward of motor 51 is generally 80 seconds the duration of runs, 60 seconds antiport time, rotating speed 1490rpm.Described frequency-variable controller 7 also is used for controlling the blanking time of batch (-type) blanking device 1 simultaneously.
In preferred embodiment of the present utility model, do not stopped up for guaranteeing mesh by powder, adopted the clear net of ultrasonic vibration, promptly 22 times ultrasonic vibrator is installed at screen cloth.Adopt the vibrating screen classifier of the clear net arrangement of band ultrasonic vibration ring of Ф 800 screen cloth faces, several 325 orders of last mesh, several 500 orders of following mesh, screening leypewter powder, when with the conventional vibration screening machine, it is 35kg/h that powder is crossed 325 order net flows, screening efficiency is 83%, when adopting the variant-frequency vibration screening machine, it is 45kg/h that powder is crossed 325 order net flows, and crossing net efficient is more than 97%.
What the utility model preferred embodiment adopted is step feeding manner, adopts positive displacement intermittent feeding device, and the blanking amount is decided according to the particle diameter and the proportion of powder.
Claims (5)
1. vibrating screen classifier that is used for metal and non-metal powder, comprise support (4), spring (3), screen frame (2) and vibrator (5), screen frame (2) is connected with support (4) elasticity by spring (3), vibrator (5) is installed on the screen frame (2), at least one deck screen cloth (22) is installed on the screen frame (2), every layer of screen cloth has discharging opening (24) at its screen frame edge, and charging aperture (21) is arranged at the top of screen frame (2), it is characterized in that:
Described vibrator (5) comprises motor (51), last eccentric hammer (52), following eccentric hammer (53) and block (54), described motor (51) is that twin shaft is stretched motor, and vertically be installed on the screen frame (2), described eccentric hammer (53) down is fixed on the following shaft extension (512) of motor (51), the described eccentric hammer (52) that goes up is rotatably installed on the last shaft extension (511) of motor (51), a stop column that axially erects (521) is arranged on the last eccentric hammer (52), described block (54) is fixed on the last shaft extension (511) of motor (51) simultaneously, two pins (541 that radially extend are arranged on the block (54), 542), these two pins (541, the camber line distance is arranged 542), and the stop column (521) on the last eccentric hammer (52) is on the camber line between this two pin.
2. a kind of vibrating screen classifier that is used for metal and non-metal powder according to claim 1, it is characterized in that: described when going up stop column (521) on the eccentric hammer (52) near last first pin of block (54) (541), the upper and lower eccentric hammer phase difference between the line of symmetry (α) separately is between 0 °～45 °, when the stop column (521) on the last eccentric hammer (52) during near last second pin of block (54) (542), the upper and lower eccentric hammer phase difference between the line of symmetry (β) separately is between 45 °～90 °.
3. a kind of vibrating screen classifier that is used for metal and non-metal powder according to claim 1 and 2 is characterized in that: described going up on the eccentric hammer (52) is equipped with balancing weight (523), and balancing weight (531) also is installed on the following eccentric hammer (53).
4. a kind of vibrating screen classifier that is used for metal and non-metal powder according to claim 1 and 2, it is characterized in that: also comprise frequency-variable controller (7), frequency-variable controller (7) comprises electric power frequency changer circuit, multiple spot timing circuit and output power phase sequence translation circuit, this frequency-variable controller (7) is electrically connected with motor (51), for this motor (51) is presented frequency, the changeable alternating electromotive force of phase sequence, to regulate the rotating speed and the rotating time of motor (51), also be used for controlling the blanking time of blanking device (1) simultaneously.
5. a kind of vibrating screen classifier that is used for metal and non-metal powder according to claim 1 and 2 is characterized in that: described screen cloth is equipped with ultrasonic vibrator under (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201298848U CN201644379U (en) | 2009-06-18 | 2010-02-04 | Vibrating screen classifier used for metal and non-metal powder |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200920132746.2 | 2009-06-18 | ||
| CN200920132746 | 2009-06-18 | ||
| CN2010201298848U CN201644379U (en) | 2009-06-18 | 2010-02-04 | Vibrating screen classifier used for metal and non-metal powder |
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| CN201644379U true CN201644379U (en) | 2010-11-24 |
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| CN2010201298848U Expired - Lifetime CN201644379U (en) | 2009-06-18 | 2010-02-04 | Vibrating screen classifier used for metal and non-metal powder |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102363143A (en) * | 2011-11-07 | 2012-02-29 | 成都鑫三洋科技发展有限公司 | Simple vibrating screen |
| FR2980981A1 (en) * | 2011-10-06 | 2013-04-12 | Sodeva Tds | Sieve for perfect separation of powder particles or liquids in industry, has evacuation chute integrated into support frame of sieve for evacuation of particles whose size is greater than vacuum mesh |
| CN103212535A (en) * | 2013-04-27 | 2013-07-24 | 华南理工大学 | Powder vibrating screening machine |
| CN103785846A (en) * | 2014-01-23 | 2014-05-14 | 西安欧中材料科技有限公司 | Method for preparing titanium alloy spherical powder at all levels |
| CN104550013A (en) * | 2015-01-23 | 2015-04-29 | 中国核动力研究设计院 | Rotary-vibrating and sieving device of nuclear fuel UO2 microspheres |
| CN106475314A (en) * | 2016-12-02 | 2017-03-08 | 重庆南桐矿业有限责任公司 | A kind of multi-stage screening apparatus for ore particles screening |
| CN106622940A (en) * | 2016-12-02 | 2017-05-10 | 重庆南桐矿业有限责任公司 | Screening system used for screening of ore particles |
| CN106964542A (en) * | 2017-04-19 | 2017-07-21 | 江西钨业控股集团有限公司 | The selectable spin vibration sieve of Material moving track on a kind of compass screen surface |
| CN107051865A (en) * | 2017-04-24 | 2017-08-18 | 深圳微纳增材技术有限公司 | A kind of online metal dust screening machine and method for sieving suitable for 3D printing |
| CN109174628A (en) * | 2018-11-12 | 2019-01-11 | 天津芸信机械设备制造有限公司 | A kind of Vacuum sand pump fine sand screening plant and screening technique |
| CN109513603A (en) * | 2018-10-19 | 2019-03-26 | 中国航发北京航空材料研究院 | A kind of screening plant of pure superalloy powder |
| CN109746181A (en) * | 2019-01-04 | 2019-05-14 | 焦作天宝桓祥机械科技有限公司 | A kind of more sieve composite ultraphonic waves concussion screening plants of diadust |
| CN111790600A (en) * | 2020-08-25 | 2020-10-20 | 海娇 | Screening plant for cement production |
| CN113865898A (en) * | 2021-08-11 | 2021-12-31 | 当升科技(常州)新材料有限公司 | Vibrating screen productivity testing device and testing method |
| CN114405806A (en) * | 2021-12-20 | 2022-04-29 | 北京当升材料科技股份有限公司 | System for controlling movement track of material feeding of vibrating screen, application and control method thereof |
-
2010
- 2010-02-04 CN CN2010201298848U patent/CN201644379U/en not_active Expired - Lifetime
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2980981A1 (en) * | 2011-10-06 | 2013-04-12 | Sodeva Tds | Sieve for perfect separation of powder particles or liquids in industry, has evacuation chute integrated into support frame of sieve for evacuation of particles whose size is greater than vacuum mesh |
| CN102363143A (en) * | 2011-11-07 | 2012-02-29 | 成都鑫三洋科技发展有限公司 | Simple vibrating screen |
| CN103212535A (en) * | 2013-04-27 | 2013-07-24 | 华南理工大学 | Powder vibrating screening machine |
| CN103785846A (en) * | 2014-01-23 | 2014-05-14 | 西安欧中材料科技有限公司 | Method for preparing titanium alloy spherical powder at all levels |
| CN104550013A (en) * | 2015-01-23 | 2015-04-29 | 中国核动力研究设计院 | Rotary-vibrating and sieving device of nuclear fuel UO2 microspheres |
| CN106475314A (en) * | 2016-12-02 | 2017-03-08 | 重庆南桐矿业有限责任公司 | A kind of multi-stage screening apparatus for ore particles screening |
| CN106622940A (en) * | 2016-12-02 | 2017-05-10 | 重庆南桐矿业有限责任公司 | Screening system used for screening of ore particles |
| CN106964542A (en) * | 2017-04-19 | 2017-07-21 | 江西钨业控股集团有限公司 | The selectable spin vibration sieve of Material moving track on a kind of compass screen surface |
| CN107051865A (en) * | 2017-04-24 | 2017-08-18 | 深圳微纳增材技术有限公司 | A kind of online metal dust screening machine and method for sieving suitable for 3D printing |
| CN109513603A (en) * | 2018-10-19 | 2019-03-26 | 中国航发北京航空材料研究院 | A kind of screening plant of pure superalloy powder |
| CN109174628A (en) * | 2018-11-12 | 2019-01-11 | 天津芸信机械设备制造有限公司 | A kind of Vacuum sand pump fine sand screening plant and screening technique |
| CN109746181A (en) * | 2019-01-04 | 2019-05-14 | 焦作天宝桓祥机械科技有限公司 | A kind of more sieve composite ultraphonic waves concussion screening plants of diadust |
| CN111790600A (en) * | 2020-08-25 | 2020-10-20 | 海娇 | Screening plant for cement production |
| CN113865898A (en) * | 2021-08-11 | 2021-12-31 | 当升科技(常州)新材料有限公司 | Vibrating screen productivity testing device and testing method |
| CN113865898B (en) * | 2021-08-11 | 2023-11-21 | 当升科技(常州)新材料有限公司 | Vibration sieve productivity testing device and testing method |
| CN114405806A (en) * | 2021-12-20 | 2022-04-29 | 北京当升材料科技股份有限公司 | System for controlling movement track of material feeding of vibrating screen, application and control method thereof |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101124 |
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| CX01 | Expiry of patent term |