CN101837345B - 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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- CN101837345B CN101837345B CN2010101455006A CN201010145500A CN101837345B CN 101837345 B CN101837345 B CN 101837345B CN 2010101455006 A CN2010101455006 A CN 2010101455006A CN 201010145500 A CN201010145500 A CN 201010145500A CN 101837345 B CN101837345 B CN 101837345B
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- vibratory sieve
- screen
- screen box
- support plate
- vibrating screen
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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, and 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 manufactured materials and the sieve screen apertures of research new structure through improving screen cloth, 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, totle drilling cost is high, especially can not adapt to the checking system that accurately sieves to raw meal particle size; Sieve screen apertures gets stuck when serious in running into vibratory sieve; Still need to shut down vibratory sieve earlier, artificial hand takes specific purpose tool to reject inefficiency to getting stuck in the sieve screen apertures 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 scheme that the present invention adopts is: the screen box top of vibratory sieve is equipped with the centering type inertia vibration generator; Vibrator is welded with the main support plate that shakes by fluid motor-driven on the vibratory sieve screen box, the main support plate that shakes is placed on the main spring that shakes; The bearing of the main spring that shakes 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 accomplish screening.Automatically rejecting four masters that the device that gets stuck in the sieve screen apertures in the vibratory sieve is installed in vibratory sieve shakes on the bearing of spring; One or several adjustable bolt vertically is located by connecting respectively on each abutment surface;, four masters on the vibratory sieve screen box are drilled with the through hole that can let adjustable bolt pass through respectively on shaking the correspondence position of support plate and bearing adjustable bolt; 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, and 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, and the main support plate that shakes bumps with spacing parts on the screen box that causes moving up and down, and the active force of collision generation passes on the screen cloth through 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 improve the screening efficiency of vibratory sieve in sieve screen apertures, being rejected more than 80%, alleviate labor strength by the card material; Especially improved with vibratory sieve raw meal particle size has accurately been sieved the accuracy of check data, made that substituting manual work with vibratory sieve carries out the granularity Precision Test and become possibility.
Description of drawings
Fig. 1 is the structural principle sketch map 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 spring fastening that shakes, 9, the vibratory sieve screen box, 10, the main spring that shakes, 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 welded with the main support plate 5 that shakes by fluid motor-driven on the vibratory sieve screen box 9, the main support plate 5 that shakes is placed on the main spring 10 that shakes; The main spring fastening 8 that shakes 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 accomplish screening.
Automatically rejecting four masters that the device that gets stuck in the sieve screen apertures in the vibratory sieve is installed in vibratory sieve shakes on the bearing 8 of spring 10; One or several adjustable bolt 2 vertically is located by connecting respectively on each main spring fastening 8 surface that shake;, four masters on the vibratory sieve screen box 9 are drilled with the through hole that can let adjustable bolt 2 pass through respectively on shaking the correspondence position of support plate 5 and main spring fastening 8 adjustable bolts that shake; 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 adjusting nut 6 down, 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, adjust adjusted nut 4 and following adjusting nut 6 again with the intrinsic frequency of vibratory sieve; 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, and 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 through vibratory sieve screen box 9, is blocked material quilt under the effect of this power and ejects mesh, rejects 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 what get 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 masters of vibratory sieve shake spring fastening (8) surface;, four masters of vibratory sieve screen box (9) are drilled with one or several through hole respectively on shaking support plate (5); The main lip-deep adjustable bolt of spring fastening (8) (2) that shakes 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); The below that each adjustable bolt (2) is positioned at the main support plate (5) that shakes partly install down adjusting nut (6) and under tighten nut (7), the operating position of adjusted nut (4) and following adjusting nut (6) is adjustable, and is used for the amplitude that screen box (9) is sieved in constrained vibration.
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 through 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 claim 2 described devices 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 gets stuck in the sieve screen apertures 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 |
|---|---|---|---|
| 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)
| Publication Number | Publication Date |
|---|---|
| CN101837345A CN101837345A (en) | 2010-09-22 |
| CN101837345B true CN101837345B (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101837345B (en) |
Families Citing this family (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 |
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| Publication number | Publication date |
|---|---|
| CN101837345A (en) | 2010-09-22 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20130413 |