CN101837345A - Device and method for automatically removing blocked materials in screen meshes of vibrating screen - Google Patents
Device and method for automatically removing blocked materials in screen meshes of vibrating screen Download PDFInfo
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- CN101837345A CN101837345A CN 201010145500 CN201010145500A CN101837345A CN 101837345 A CN101837345 A CN 101837345A CN 201010145500 CN201010145500 CN 201010145500 CN 201010145500 A CN201010145500 A CN 201010145500A CN 101837345 A CN101837345 A CN 101837345A
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- vibratory sieve
- screen
- sieve screen
- screen box
- support plate
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Abstract
The invention discloses a device and a method for automatically removing blocked materials in screen meshes of a vibrating screen, and in particular relate to automatic removal of the blocked materials of a checking system for accurately screening material granularity. The improvement of a screen material and the screen meshes with a novel structure or the use of a hitting screen and the like can reduce generation of partial blocked materials, but the checking system for accurately screening still needs to shut down for manual removal of the blocked materials and the working efficiency is low. Aiming at the problems, the invention provides the device and the method for automatically removing the blocked materials in the screen meshes of the vibrating screen. Limit machine parts are arranged on supports of four master vibration springs of the vibrating screen to make the exciting frequency of the vibrating screen consistent with the natural frequency thereof, so that a screen box of the vibrating screen generates resonance, master vibration bearing plates and the limit machine parts collide and the acting force generated by collision makes the blocked materials popped out of the screen meshes to complete the operation of removing the blocked materials. The technical scheme of the invention can improve the screening efficiency of the vibrating screen and particularly improves the data accuracy in the process of accurately screening the material granularity by using the vibrating screen.
Description
Technical field
The present invention relates to the device and method that gets stuck in the sieve screen apertures in a kind of automatic rejecting vibratory sieve, be particularly useful for the work system of raw meal particle size being sieved with vibratory sieve.
Background technology
When utilizing vibratory sieve that the granularity of material is sieved, often there are some difficult sieving granular materials to be sticked in the sieve screen apertures in the vibratory sieve, prolongation along with the screening working time, the number that sieve screen apertures is blocked is more and more, the sieve screen apertures number that can be used for effectively sieving is fewer and feweri, causes the screening efficiency of vibratory sieve to reduce.Especially when adopting vibratory sieve that raw meal particle size is accurately sieved check, the phenomenon that gets stuck in the sieve screen apertures more can directly have influence on the accuracy of screening assay.So the problem of getting stuck in the vibratory sieve in the sieve screen apertures is one of key technical problem in the material sieving technology field.What address this is that at present mainly is the manufactured materials by improving screen cloth and the sieve screen apertures of research new structure, or is designed to approach such as beating type screen cloth.Though the effect that these methods have certain minimizing to get stuck; but their narrow application range; the totle drilling cost height; especially can not adapt to the checking system that accurately sieves at raw meal particle size; sieve screen apertures gets stuck when serious in running into vibratory sieve; still need earlier vibratory sieve to be shut down, artificial hand takes specific purpose tool that getting stuck in the sieve screen apertures rejected inefficiency one by one then.
Summary of the invention
The object of the present invention is to provide the apparatus and method that get stuck in the sieve screen apertures in a kind of automatic rejecting vibratory sieve, solve the accurate screening system of the raw meal particle size rejecting problem that gets stuck, improve screening efficiency.
The technical solution used in the present invention is: the screen box top of vibratory sieve is equipped with the centering type inertia vibration generator, vibrator is by fluid motor-driven, be welded with the main support plate that shakes on the vibratory sieve screen box, the main support plate that shakes is placed on the main vibration spring, the bearing of main vibration spring is consolidated on the base of vibratory sieve, regulator solution pressure motor rotating speed can change the frequency of vibrator, thereby the vibration frequency of control vibratory sieve screen box makes the vibration of vibratory sieve screen box finish screening.Automatically reject on the bearing of four main vibration springs that the device that gets stuck in the sieve screen apertures in the vibratory sieve is installed in vibratory sieve, one or several adjustable bolt vertically is located by connecting respectively on each abutment surface, on shaking the correspondence position of support plate and bearing adjustable bolt, four masters on the vibratory sieve screen box are drilled with the through hole that can allow adjustable bolt pass through respectively, adjustable bolt is equipped with an adjusting nut at the shake upper section of support plate of vibrating bin master, locking nut is installed above adjusting nut, adjustable bolt part below vibration casing support plate is equipped with an adjusting nut, locking nut is installed below adjusting nut, and support plate two pairs of nuts up and down are as the spacing parts of operating position about the constrained vibration sieve screen box.
When screen cloth need pick card, change the excited frequency of vibratory sieve earlier with the method for the rotating speed of regulating the vibrator CD-ROM drive motor, make the excited frequency of vibratory sieve consistent with the intrinsic frequency of vibratory sieve.Adjust adjusting nut again, tighten corresponding locking nut after making it reach spacing position.Behind the Vibration on Start-up sieve, the vibratory sieve screen box produces resonance, the amplitude of vibratory sieve screen box increases during resonance, main support plate and the spacing parts of shaking bump on the screen box that causes moving up and down, the active force that collision produces passes on the screen cloth by the screen box casing, ejected mesh by card material quilt under the effect of this power, reject the effect of being blocked material in the vibratory sieve in each sieve aperture thereby reach.
The useful effect that the present invention has is:
After adopting the present invention, regularly this device of starting picks card work, can be in sieve screen apertures, being rejected more than 80% by the card material, improved the screening efficiency of vibratory sieve, alleviate labor strength, especially improved with vibratory sieve raw meal particle size has accurately been sieved the accuracy of check data, made to substitute and manually carry out the granularity Precision Test and become possibility with vibratory sieve.
Description of drawings
Fig. 1 is the structural principle schematic diagram that the present invention rejects the device that gets stuck in the sieve screen apertures in the vibratory sieve automatically
Among the figure: 1, vibrator, 2, adjustable bolt, 3, upper locking nut, 4, the adjusted nut, 5, the main support plate that shakes, 6, adjusting nut down, 7, lower locking nut, 8, the main vibration spring bearing, 9, the vibratory sieve screen box, 10, main vibration spring, 11, the vibratory sieve base
The specific embodiment
Vibratory sieve screen box 9 tops are equipped with centering type inertia vibration generator 1, vibrator 1 is by fluid motor-driven, be welded with the main support plate 5 that shakes on the vibratory sieve screen box 9, the main support plate 5 that shakes is placed on the main vibration spring 10, main vibration spring bearing 8 is consolidated on the base 11 of vibratory sieve, regulator solution pressure motor rotating speed can change the frequency of vibrator 1, thereby the vibration frequency of control vibratory sieve screen box 9 makes 9 vibrations of vibratory sieve screen box finish screening.
Automatically reject on the bearing 8 of four main vibration springs 10 that the device that gets stuck in the sieve screen apertures in the vibratory sieve is installed in vibratory sieve, one or several adjustable bolt 2 vertically is located by connecting respectively on each main vibration spring bearing 8 surface, on shaking the correspondence position of support plate 5 and main vibration spring bearing 8 adjustable bolts, four masters on the vibratory sieve screen box 9 are drilled with the through hole that can allow adjustable bolt 2 pass through respectively, adjustable bolt 2 is equipped with an adjusted nut 4 at the upper section of the main support plate 5 that shakes, it above adjusted nut 4 upper locking nut 3, adjustable bolt 2 is equipped with a following adjusting nut 6 below the main support plate 5 that shakes, below following adjusting nut 6 be lower locking nut 7, main shake support plate about in the of 5 the two pairs of nuts as the spacing parts of operating position about the constrained vibration casing.
When screen cloth need pick card, change the excited frequency of vibratory sieve earlier with the method for the rotating speed of regulating vibrator 1 CD-ROM drive motor, make the excited frequency of vibratory sieve consistent with the intrinsic frequency of vibratory sieve, adjust adjusted nut 4 and following adjusting nut 6 again, tighten corresponding upper locking nut 3 and lower locking nut 7 after making it reach spacing position, behind the Vibration on Start-up sieve, the screen box 9 of vibratory sieve produces resonance, the amplitude of vibratory sieve screen box 9 increases during resonance, the master who causes the moving up and down support plate 5 that shakes bumps with spacing parts, the active force that collision produces passes on the screen cloth by vibratory sieve screen box 9, ejected mesh by card material quilt under the effect of this power, reject the effect of being blocked material in the vibratory sieve in each sieve aperture thereby reach.
Thus, the present invention uses the device that gets stuck in the sieve screen apertures in a kind of automatic rejecting vibratory sieve, adopt resonance after vibration sieve screen box 9 amplitudes to increase, the main spacing parts of support plate 5 collisions that shake can produce big active force makes the method that gets stuck and ejected, and has realized picking out automatically of getting stuck in the sieve screen apertures in the vibratory sieve.
Claims (4)
1. reject the device that gets stuck in the sieve screen apertures in the vibratory sieve automatically for one kind, it is characterized in that: one or several adjustable bolt (2) is located by connecting respectively on four main vibration spring bearings of vibratory sieve (8) surface, on shaking support plate (5), four masters of vibratory sieve screen box (9) are drilled with one or several through hole respectively, the lip-deep adjustable bolt of main vibration spring bearing (8) (2) passes the through hole on the main support plate (5) that shakes, each adjustable bolt (2) is positioned at the upper section of the main support plate (5) that shakes and installs adjusting nut (4) and upper locking nut (3), each adjustable bolt (2) is positioned at the below of the main support plate (5) that shakes adjusting nut (6) and lower locking nut (7) partly is installed down, the operating position of adjusted nut (4) and following adjusting nut (6) is adjustable, and is used for the amplitude of constrained vibration sieve screen box (9).
2. the device that gets stuck in the sieve screen apertures in the automatic rejecting vibratory sieve according to claim 1, it is characterized in that: up-down adjustment can be realized by rotating above-mentioned adjusting nut in the operating position of adjusted nut (4) and following adjusting nut (6), sieves screen box (9) the spacing parts of operating position up and down as constrained vibration.
3. one kind is utilized the described device of claim 1 to reject the method that gets stuck in the sieve screen apertures in the vibratory sieve, it is characterized in that: vibratory sieve screen box (9) is worked under resonance condition, utilize the increase of vibratory sieve screen box (9) amplitude, the master of vibratory sieve is shaken produce between support plate (5) and the spacing parts collision, with the impact force of its generation reject in the vibration casing in each sieve screen apertures by the card material.
4. the method that sieve screen apertures gets stuck in the rejecting vibratory sieve according to claim 3, it is characterized in that: the centering type inertia vibration generator (1) on the vibratory sieve is by fluid motor-driven, the rotating speed of regulator solution pressure motor can change the excited frequency of vibratory sieve screen box (9), makes screen cloth produce resonance with vibratory sieve screen box (9) with the method for regulator solution pressure motor rotating speed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010101455006A CN101837345B (en) | 2010-04-13 | 2010-04-13 | Device and method for automatically removing blocked materials in screen meshes of vibrating screen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN2010101455006A CN101837345B (en) | 2010-04-13 | 2010-04-13 | Device and method for automatically removing blocked materials in screen meshes of vibrating screen |
Publications (2)
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CN101837345A true CN101837345A (en) | 2010-09-22 |
CN101837345B CN101837345B (en) | 2012-07-04 |
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CN2010101455006A Expired - Fee Related CN101837345B (en) | 2010-04-13 | 2010-04-13 | Device and method for automatically removing blocked materials in screen meshes of vibrating screen |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111420873A (en) * | 2020-03-31 | 2020-07-17 | 中铁工程服务有限公司 | Adjustable-amplitude screening equipment for shield construction muck treatment |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4469592A (en) * | 1981-08-28 | 1984-09-04 | "Rhewum" Rheinische Werkzeug- Und Maschinenfabrik Gmbh | Power sieve with screen beaters |
US6098811A (en) * | 1996-07-31 | 2000-08-08 | Astec Industries, Inc. | Grizzly screening apparatus |
EP1581349A1 (en) * | 2002-12-02 | 2005-10-05 | Russell Finex Limited | Sieving apparatus |
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 |
-
2010
- 2010-04-13 CN CN2010101455006A patent/CN101837345B/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4469592A (en) * | 1981-08-28 | 1984-09-04 | "Rhewum" Rheinische Werkzeug- Und Maschinenfabrik Gmbh | Power sieve with screen beaters |
US6098811A (en) * | 1996-07-31 | 2000-08-08 | Astec Industries, Inc. | Grizzly screening apparatus |
EP1581349A1 (en) * | 2002-12-02 | 2005-10-05 | Russell Finex Limited | Sieving apparatus |
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 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111420873A (en) * | 2020-03-31 | 2020-07-17 | 中铁工程服务有限公司 | Adjustable-amplitude screening equipment for shield construction muck treatment |
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CN101837345B (en) | 2012-07-04 |
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Granted publication date: 20120704 Termination date: 20130413 |