CN107470136A - One kind becomes amplitude equal thick screen - Google Patents
One kind becomes amplitude equal thick screen Download PDFInfo
- Publication number
- CN107470136A CN107470136A CN201710885947.9A CN201710885947A CN107470136A CN 107470136 A CN107470136 A CN 107470136A CN 201710885947 A CN201710885947 A CN 201710885947A CN 107470136 A CN107470136 A CN 107470136A
- Authority
- CN
- China
- Prior art keywords
- vibrator
- vibration
- excitation beam
- discharge end
- feeding end
- 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.)
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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
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- 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
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
Abstract
The invention discloses one kind to become amplitude equal thick screen, including screen box body, vibrator, compass screen surface, shock-absorbing spring, bottom bracket;Bottom, middle part, top are separately installed with spandrel girder, excitation beam of vibration, buttress brace between two sieve box side plates, compass screen surface is arranged on spandrel girder, and vibrator includes being respectively arranged in feeding end vibrator and discharge end vibrator on feeding end excitation beam of vibration and discharge end excitation beam of vibration;The screen box body is arranged on bottom bracket by the shock-absorbing spring being symmetrically arranged on the outside of two sieve box side plates;Excitation beam of vibration around its center line any rotation, can realize the direction of excitation adjustment of vibrator on excitation beam of vibration so that produce change from feeding end to discharge end compass screen surface amplitude and movement locus, and then realize the screening with constant bed thickness of material.Simple in construction, easy to use, stability and high efficiency of the invention, the vibrator by being arranged at feeding end and discharge end realize that the change amplitude of feeding end to discharge end sieves, and compass screen surface utilization rate is high, and unit area treating capacity is big, and adaptability for working condition is strong.
Description
Technical field
The present invention relates to one kind to become amplitude equal thick screen, belongs to sieving machine technical field, and suitable for material efficiently etc.
Thickness screening.
Background technology
Screening is the sieve aperture by single or multiple lift compass screen surface by loose mixed material, according to granular size be divided into it is some not
With the classification process of grade product, wet method and dry screening can be divided into.Sieving machine species number is various, wherein vibratory sieve because
It is simple in construction, screening efficiency is high, floor space is small, treating capacity is big, is easy to dismounting maintenance, working condition adaptable etc. excellent
Gesture, turn into main screening plant, be widely used in the fields such as coal, metallurgy, oil, chemical industry, building materials, food, environmental protection, be to be permitted
Important step in conglomerate production process, cleaning, classification, dehydration and de-mediated are responsible for, or even according to the important of quality sorting
Function.
It is widely used at present to wait amplitude vibrating screen, due to the amplitude and oscillation intensity all same of feeding end to discharge end,
The problems such as feeding end material easily produces accumulation, thickness of feed layer is big, layering is slow, saturating screen capacity is low, and in discharge end oversize
The bed of material is thinning rapidly, and discharge end residence time of material is short, and saturating sieve amount is small, and compass screen surface utilization rate is low, and unit area disposal ability is small, because
This constrains the extensive highly-efficient processing of coal in China.
The content of the invention
Goal of the invention:In order to overcome the deficiencies in the prior art, the present invention provides a kind of change amplitude equal thick screen, had
The features such as simple in construction, easy to use, stability and high efficiency, the vibrator by being arranged at feeding end and discharge end realizes feeding end extremely
The change amplitude screening of discharge end, compass screen surface utilization rate is high, and unit area treating capacity is big, and adaptability for working condition is strong.
Technical scheme:To achieve the above object, the technical solution adopted by the present invention is:
One kind becomes amplitude equal thick screen, including screen box body, vibrator, excitation beam of vibration, buttress brace, spandrel girder, compass screen surface, vibration damping bullet
Spring, bottom bracket;
Wherein, the screen box body includes two sieve box side plates being oppositely arranged, and bottom between two sieve box side plates, in
Portion, top are separately installed with spandrel girder, excitation beam of vibration, buttress brace;The compass screen surface is arranged on the spandrel girder being set up in parallel, and compass screen surface
One end is feeding end, and its other end is discharge end;
The excitation beam of vibration includes being respectively arranged in feeding end and the feeding end excitation beam of vibration and discharge end exciting of discharge end side
Beam, and vibrator swashs including the feeding end vibrator being respectively arranged on feeding end excitation beam of vibration and discharge end excitation beam of vibration and discharge end
Shake device;The screen box body is arranged on bottom bracket by the shock-absorbing spring being symmetrically arranged on the outside of two sieve box side plates.
During the change amplitude screening with constant bed thickness of the present invention, by the feeding end compass screen surface that oscillation intensity is larger, material group is enhanced
The loose and migration of particle, the drawout on compass screen surface, material group's thickness are thinning rapidly rapidly for material;And discharge end oscillation intensity is relative
Smaller, region material group's migration velocity is smaller, material group is extended in the screening residence time in the region, so that from feeding end
Reached unanimity to exhaust end material screen feeding group's thickness, i.e. screening with constant bed thickness.
Further, the feeding end vibrator and discharge end vibrator are respectively comprising two exciting being arranged symmetrically electricity
Machine, and the exciting force of two feeding end shock electric machines, rotating speed are equal, exciting force, the rotating speed of two discharge end shock electric machines are equal,
Feeding end shock electric machine exciting force makes a concerted effort to make a concerted effort to wait with discharge end motor exciting force.
Further, circular distribution bayonet socket is provided with described two sieve box side plates, and excitation beam of vibration both ends are connected with band circle
Shape is distributed the mounting disc of hole clipping, and mounting disc and screen box are realized with circular distribution bayonet socket through circular distribution hole clipping by fastening bolt
(excitation beam of vibration can be around its center line any rotation) is fixed in the rotation of side plate, so as to realize the exciting side of vibrator on excitation beam of vibration
To adjustment, the change from feeding end to discharge end compass screen surface amplitude and movement locus is realized.
Further, vibrator installing plate is provided with the excitation beam of vibration between described two sieve box side plates, and vibrator is pacified
Vibrator support member is connected with loading board, the handling for being easy to implement vibrator are fixed.
Beneficial effect:A kind of change amplitude equal thick screen provided by the invention, relative to prior art, has advantages below:1、
Simple in construction, easy to use, stability and high efficiency, the vibrator by being respectively arranged at feeding end and discharge end realizes feeding end to going out
Expect the change amplitude screening at end, compass screen surface utilization rate is high, and unit area treating capacity is big, and adaptability for working condition is strong;2nd, by feeding end with going out
Expect that the exciting force of end shock electric machine makes a concerted effort to adjust the amplitude and oscillation intensity at vibratory sieve diverse location, and by feeding end with going out
Expect end excitation beam of vibration rotation adjustment, realize the change from feeding end to discharge end amplitude and movement locus, it is simple to operate, cost compared with
It is low, there is good economical and practical value.
Brief description of the drawings
Fig. 1 is a kind of structural representation for becoming amplitude equal thick screen of the present invention;
Fig. 2 is a kind of front view for becoming amplitude equal thick screen of the present invention;
Fig. 3 is a kind of side view for becoming amplitude equal thick screen of the present invention;
Fig. 4 is a kind of top view for becoming amplitude equal thick screen of the present invention;
Figure includes:1st, vibrator, 1-1, feeding end vibrator, 1-2, discharge end vibrator, 2, excitation beam of vibration, 2-1, exciting
Device installing plate, 2-2, vibrator support member, 3, buttress brace, 4, screen box body, 4-1, sieve box side plate, 5, spandrel girder, 6, compass screen surface, 7,
Shock-absorbing spring, 8, bottom bracket, 9, mounting disc, 10, shock electric machine.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings.
Become amplitude equal thick screen to be a kind of as shown in Figure 1, including screen box body 4, vibrator 1, excitation beam of vibration 2, buttress brace 3, hold
Weight beam 5, compass screen surface 6, shock-absorbing spring 7, bottom bracket 8;
Wherein, the screen box body 4 includes two sieve box side plate 4-1 being oppositely arranged, and between two sieve box side plate 4-1
Bottom, middle part, top are separately installed with spandrel girder 5, excitation beam of vibration 2, buttress brace 3;The compass screen surface 6 is arranged on the load-bearing being set up in parallel
On beam 5, and the one end of compass screen surface 6 is feeding end, and its other end is discharge end;
The excitation beam of vibration 2 includes being respectively arranged in feeding end and the feeding end excitation beam of vibration and discharge end exciting of discharge end side
Beam, and vibrator 1 includes being respectively arranged in feeding end vibrator 1-1 and discharging on feeding end excitation beam of vibration and discharge end excitation beam of vibration
Hold vibrator 1-2;The screen box body 4 is arranged on bottom by being symmetrically arranged in the shock-absorbing spring 7 on the outside of two sieve box side plate 4-1
On portion's support 8.
In the present embodiment, what feeding end vibrator 1-1 and discharge end the vibrator 1-2 was arranged symmetrically comprising two respectively
Shock electric machine 10, and the exciting force of two feeding end shock electric machines, rotating speed are equal, the exciting force of two discharge end shock electric machines,
Rotating speed is equal.
In the present embodiment, circular distribution bayonet socket is provided with described two sieve box side plate 4-1, and the both ends of excitation beam of vibration 2 are affixed
There is the mounting disc 9 with circular distribution hole clipping, realized and installed with circular distribution bayonet socket through circular distribution hole clipping by fastening bolt
The rotation of disk 9 and sieve box side plate 4-1 is fixed.
In the present embodiment, vibrator installing plate 2-1 is provided with the excitation beam of vibration 2 between described two sieve box side plate 4-1, and
Vibrator support member 2-2 is connected with vibrator installing plate 2-1.
The embodiment of the present invention is as follows:
Before becoming the operation of amplitude equal thick screen, two groups of excitation beam of vibration 2 can be around its center line any rotation, then by fastening spiral shell
Bolt realizes that mounting disc 9 and sieve box side plate 4-1 rotation are fixed through circular distribution hole clipping with circular distribution bayonet socket, changes excitation beam of vibration
The angle of the direction of excitation of vibrator 1 and horizontal plane on 2, adjust vibration screen body amplitude and movement locus so that from feeding end
It is gradually reduced to discharge end compass screen surface amplitude, and then realizes the change amplitude screening with constant bed thickness of material.
After amplitude equal thick screen stable operation is become, screening materials carrying is fed by feeding end, is increased by feeding end vibrator 1-1
The oscillation intensity of feeding end compass screen surface, strengthen the loose and migration of material group's particle so that feed the drawout on compass screen surface rapidly, pan feeding
End material group's thickness is thinning rapidly;Meanwhile weaken the oscillation intensity of discharge end by discharge end vibrator 1-2 so that expect in the region
Group's migration velocity is smaller, the screening residence time in the material group region is extended, so that from feeding end to exhaust end material screen
Material group's thickness reaches unanimity, i.e. screening with constant bed thickness.Coarse-grained material turns into coarse grain product, particulate thing through exhaust end after the screening of compass screen surface 6
Material turns into fine particle product through compass screen surface 6.
Described above is only the preferred embodiment of the present invention, it should be pointed out that:For the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (4)
1. one kind becomes amplitude equal thick screen, it is characterised in that including screen box body (4), vibrator (1), excitation beam of vibration (2), buttress brace
(3), spandrel girder (5), compass screen surface (6), shock-absorbing spring (7), bottom bracket (8);
Wherein, the screen box body (4) includes two sieve box side plates (4-1) being oppositely arranged, and two sieve box side plates (4-1) it
Between bottom, middle part, top be separately installed with spandrel girder (5), excitation beam of vibration (2), buttress brace (3);The compass screen surface (6) is arranged on arranged side by side
On the spandrel girder (5) of setting, and compass screen surface (6) one end is feeding end, and its other end is discharge end;
The excitation beam of vibration (2) includes being respectively arranged in feeding end and the feeding end excitation beam of vibration and discharge end exciting of discharge end side
Beam, and vibrator (1) include being respectively arranged in feeding end vibrator (1-1) on feeding end excitation beam of vibration and discharge end excitation beam of vibration and
Discharge end vibrator (1-2);The screen box body (4) passes through the vibration damping bullet that is symmetrically arranged on the outside of two sieve box side plates (4-1)
Spring (7) is arranged on bottom bracket (8).
A kind of become amplitude equal thick screen 2. according to claim 1, it is characterised in that the feeding end vibrator (1-1) and
Discharge end vibrator (1-2) includes two shock electric machines (10) being arranged symmetrically respectively, and two feeding end shock electric machines swash
Shaking, power, rotating speed are equal, and exciting force, the rotating speed of two discharge end shock electric machines are equal.
3. a kind of change amplitude equal thick screen according to claim 1, it is characterised in that on described two sieve box side plates (4-1)
Circular distribution bayonet socket is provided with, and excitation beam of vibration (2) both ends set the mounting disc (9) with circular distribution hole clipping, pass through fastening bolt
Realize that mounting disc (9) and the rotation of sieve box side plate (4-1) are fixed with circular distribution bayonet socket through circular distribution hole clipping.
A kind of become amplitude equal thick screen 4. according to claim 1, it is characterised in that described two sieve box side plates (4-1) it
Between excitation beam of vibration (2) on be provided with vibrator installing plate (2-1), and be connected with vibrator installing plate (2-1) vibrator support
Part (2-2).
Priority Applications (1)
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CN201710885947.9A CN107470136A (en) | 2017-09-27 | 2017-09-27 | One kind becomes amplitude equal thick screen |
Applications Claiming Priority (1)
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CN201710885947.9A CN107470136A (en) | 2017-09-27 | 2017-09-27 | One kind becomes amplitude equal thick screen |
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Publication Number | Publication Date |
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CN107470136A true CN107470136A (en) | 2017-12-15 |
Family
ID=60587044
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CN201710885947.9A Pending CN107470136A (en) | 2017-09-27 | 2017-09-27 | One kind becomes amplitude equal thick screen |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109499859A (en) * | 2018-12-19 | 2019-03-22 | 河南威猛振动设备股份有限公司 | A kind of multifrequency dehydration sculping screen |
CN109530216A (en) * | 2019-01-11 | 2019-03-29 | 中国矿业大学 | A kind of four axis change linear uniform-thickness vibrating screen and method for oscillating of intelligent control |
CN109731667A (en) * | 2019-01-30 | 2019-05-10 | 中国矿业大学 | A kind of coal becomes amplitude vibrating fluidized bed dried, classified system and method for separating |
CN112122117A (en) * | 2020-09-04 | 2020-12-25 | 中国矿业大学 | Material group distribution detection and regulation system and method in variable-ellipse equal-thickness screening process |
CN112536220A (en) * | 2020-12-11 | 2021-03-23 | 中国矿业大学 | Space body distribution excitation track-changing vibrating screen |
CN113477512A (en) * | 2021-07-30 | 2021-10-08 | 中国矿业大学 | Vibrating screen |
RU2805755C1 (en) * | 2023-01-24 | 2023-10-23 | Общество С Ограниченной Ответственностью "Роял Карбон" | String classifier |
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CN2429269Y (en) * | 2000-06-28 | 2001-05-09 | 李红才 | Vibration screen with horizontal movement and ellliptic track with adjustable amplitude and track |
CN1663695A (en) * | 2004-03-05 | 2005-09-07 | 杨永柱 | Amplitude descending screening method and vibrating screen |
CN201015764Y (en) * | 2007-03-12 | 2008-02-06 | 朱满平 | Thin materials screener with the track adjustable |
CN201124155Y (en) * | 2007-12-05 | 2008-10-01 | 徐州市赫尔斯采制样设备有限公司 | Vibrating screen with adjustable vibrating direction angle |
CN102989668A (en) * | 2012-12-17 | 2013-03-27 | 河南威猛振动设备股份有限公司 | Biaxial uniform-thickness circular vibrating screen |
DE102013107973B3 (en) * | 2013-07-25 | 2014-05-15 | SIBRA-Tec GmbH | Device for wet or dry fine classifying of pourable bulk material i.e. metal ores, has fabric tensioned by clamping device, so that fabric rests on contact bar by contact strip that is mounted on support panel on drive bridge |
CN105689257A (en) * | 2016-03-30 | 2016-06-22 | 中国矿业大学 | Modular variable-span variable-amplitude large vibrating screen |
CN207401729U (en) * | 2017-09-27 | 2018-05-25 | 中国矿业大学 | A kind of change amplitude equal thick screen |
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2017
- 2017-09-27 CN CN201710885947.9A patent/CN107470136A/en active Pending
Patent Citations (8)
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CN2429269Y (en) * | 2000-06-28 | 2001-05-09 | 李红才 | Vibration screen with horizontal movement and ellliptic track with adjustable amplitude and track |
CN1663695A (en) * | 2004-03-05 | 2005-09-07 | 杨永柱 | Amplitude descending screening method and vibrating screen |
CN201015764Y (en) * | 2007-03-12 | 2008-02-06 | 朱满平 | Thin materials screener with the track adjustable |
CN201124155Y (en) * | 2007-12-05 | 2008-10-01 | 徐州市赫尔斯采制样设备有限公司 | Vibrating screen with adjustable vibrating direction angle |
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DE102013107973B3 (en) * | 2013-07-25 | 2014-05-15 | SIBRA-Tec GmbH | Device for wet or dry fine classifying of pourable bulk material i.e. metal ores, has fabric tensioned by clamping device, so that fabric rests on contact bar by contact strip that is mounted on support panel on drive bridge |
CN105689257A (en) * | 2016-03-30 | 2016-06-22 | 中国矿业大学 | Modular variable-span variable-amplitude large vibrating screen |
CN207401729U (en) * | 2017-09-27 | 2018-05-25 | 中国矿业大学 | A kind of change amplitude equal thick screen |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109499859A (en) * | 2018-12-19 | 2019-03-22 | 河南威猛振动设备股份有限公司 | A kind of multifrequency dehydration sculping screen |
CN109499859B (en) * | 2018-12-19 | 2024-02-02 | 河南威猛振动设备股份有限公司 | Complex frequency dehydration takes off medium sieve |
CN109530216A (en) * | 2019-01-11 | 2019-03-29 | 中国矿业大学 | A kind of four axis change linear uniform-thickness vibrating screen and method for oscillating of intelligent control |
CN109731667A (en) * | 2019-01-30 | 2019-05-10 | 中国矿业大学 | A kind of coal becomes amplitude vibrating fluidized bed dried, classified system and method for separating |
CN109731667B (en) * | 2019-01-30 | 2020-07-10 | 中国矿业大学 | Drying and sorting system and method for coal variable-amplitude vibrating fluidized bed |
CN112122117A (en) * | 2020-09-04 | 2020-12-25 | 中国矿业大学 | Material group distribution detection and regulation system and method in variable-ellipse equal-thickness screening process |
CN112536220A (en) * | 2020-12-11 | 2021-03-23 | 中国矿业大学 | Space body distribution excitation track-changing vibrating screen |
CN113477512A (en) * | 2021-07-30 | 2021-10-08 | 中国矿业大学 | Vibrating screen |
RU2805755C1 (en) * | 2023-01-24 | 2023-10-23 | Общество С Ограниченной Ответственностью "Роял Карбон" | String classifier |
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Address after: 221116 Research Institute of China University of Mining and Technology,, Jiangsu Applicant after: China University of Mining & Technology Address before: 221116 Research Institute, China University of Mining and Technology, Xuzhou University, Jiangsu, China, Applicant before: China University of Mining & Technology |
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Application publication date: 20171215 |