CN2456850Y - Three shaft elliptic vibrative screen - Google Patents
Three shaft elliptic vibrative screen Download PDFInfo
- Publication number
- CN2456850Y CN2456850Y CN 00253588 CN00253588U CN2456850Y CN 2456850 Y CN2456850 Y CN 2456850Y CN 00253588 CN00253588 CN 00253588 CN 00253588 U CN00253588 U CN 00253588U CN 2456850 Y CN2456850 Y CN 2456850Y
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- screen
- shaft
- gear
- balancing disk
- vibrating
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Abstract
The utility model relates to an elliptic vibration screen with three shafts. The utility model is designed for solving the insufficiency that the existing circular motion screen and the existing linear motion screen have single function. The vibration screen has three identical vibrating shafts, the both ends of the shaft are both provided with balance weight trays with the same eccentric weight and the same eccentric radius, the shafts are synchronously connected by gears with the same parameters, and motion tracks of the shafts are ellipses. The vibration frequency, the amplitude and vibrating direction angles of a screen machine can be adjusted, and the utility model integrates the characteristics of the circular motion screen and the linear motion screen. Therefore, the utility model can be used for sieving material which is difficult for sieving in metallurgy departments, mine departments, traffic departments, hydroelectric departments, etc.
Description
The utility model belongs in the vibration screening machinery, can adapt to the screening of various materials, can carry out the three shaft elliptic vibrative screen of classification, dehydration, de-mediated, desliming again to difficult screened material.
Vibratory sieve is an indispensable stock grading equipment in all industries such as metallurgy, coal, mine.Because the function ratio of existing vibratory sieve is more single, the circular motion sieve carries out pre-classification to material only, but the center of gravity height, to take up an area of the space bigger; Rectilinear motion sieve can dewater, de-mediated and desliming, but little, the easy plug-hole for the treatment of capacity.Along with development and national economy, departments such as the raw material stone pit of especially traffic, water conservancy, power construction, it is few to be badly in need of a kind of occupation of land space, the novel sieving machine that function is many.
The utility model be the problem that exists at existing sieving machine and a kind of movement locus that designs for oval, it is little to take up an area of the space, compact conformation, amplitude, vibration frequency, the three shaft elliptic vibrative screen that vibrating direction angle is adjustable.
The utility model is realized by following measure.Vibratory sieve is made up of underframe, screen box, vibrator, motor belt transmission mechanism, screen cloth, feed and discharge device and isolation spring, it is characterized in that: said vibrator is made up of three vibrating shafts arranged side by side, and it is 1 intermeshed gear that an end that is positioned at the vibrating shaft of screen box one side all is equipped with speed ratio; The balancing disk that eccentric weight equates, eccentric arm is identical is housed on each gear; The other end at vibrating shaft is equipped with and its eccentric mass that equates, the balancing disk of identical eccentric arm; The relative position of balancing disk and gear can change, and locatees and is fixed on the gear by bolt; With the oval-shaped movement locus of realization screen(ing) machine, and reach the purpose of adjusting vibrating direction angle.In order to adjust the amplitude of screen(ing) machine, on balancing disk, stud with several equiponderant adjustable counterweight posts.In order to adjust the frequency of vibratory sieve, motor pulley is made the sheet of two halves, in the middle of two belt pulleys, be provided with several spacers.By adjusting the quantity of spacer, can change the pitch diameter of belt pulley, realize different vibration frequencies.In order to guarantee that transmission mechanism and vibratory sieve can stably work, the vibrator belt pulley is made centering type, and the motor belt transmission mechanism is provided with belt stretcher.
In vibratory sieve when work,, the motor belt transmission mechanism drives three gears rotations of vibrator, because the balancing disk of equal eccentric mass, identical eccentric arm all is housed on three axles, is connected synchronously by isoparametric gear, and the movement locus of screen box be an ellipse.Be the circular motion track of single-shaft vibrating screen and the resultant motion track of the straight-line trajectory that dual-axis vibration sieves.
Relative position by adjusting balancing disk and adjacent two balancing disks on the idler gear (phase angle poor) the oval-shaped movement locus of realization screen(ing) machine.The adjustment of starting phase angle can change the vibrating direction angle of vibratory sieve, i.e. the angle of transverse and compass screen surface.Thereby determine the length of material time of staying on compass screen surface.Vibrating direction angle is tending towards vertically, then the time of staying of material on compass screen surface long, screening efficiency is big; Vibrating direction angle is tending towards level, and then material is fast by the speed of compass screen surface, and disposal ability is big.The adjustment of amplitude is to realize that by the quantity that increases and decreases counterweight post on the balancing disk counterweight post is many more, and amplitude is big more.The adjustment of vibration frequency is the quantity of increase and decrease motor pulley intermediate isolating sheet, and middle spacer increases, and the pitch diameter of belt pulley diminishes, and vibration frequency also diminishes, otherwise it is big that vibration frequency becomes.
The utility model has the advantages that the movement locus of three shaft vibrations sieves be oval, is the synthesizing of straight-line trajectory of the circular motion of single shaft sieve and twin shaft sieve.Characteristics such as major axis can play the impelling effect to material, and minor axis can be cleared up sieve aperture, combines the classification of rotary strainer simultaneously, and bulk material is fast, is difficult for plug-hole, and disposal ability dehydration, de-mediated, desliming convey materials big and straight line shaker is fast, and screening efficiency height, center of gravity are low.This screen(ing) machine compact conformation, amplitude, vibration frequency and vibrating direction angle can be adjusted, and compare with the screen(ing) machine of same specification, and the occupation of land space is little, and disposal ability is big.Can satisfy the different application that the user sieves various materials.
Accompanying drawing 1 is a structural representation of the present utility model, and (1) is screen box among the figure; (2) be feed box; (3) be discharge gate; (4) motor belt transmission mechanism; (5) be underframe; (6) be vibrator; (7) be rubber spring; (8) be spray apertures.
Accompanying drawing 2 is the assembling schematic diagram of vibrator, and (9) are gear among the figure; (10) be balancing disk and gear relative position locating hole; (11) be balancing disk; (12) be the counterweight post, arrow is the Flow of Goods and Materials direction.
Accompanying drawing 3 is the fundamental diagram of vibrator, and arrow is the direction of rotation of gear.
Accompanying drawing 4 is the motor pulley structural representation, and (13) are V belt among the figure; (14) be the belt pulley sheet; (15) be spacer.
An existing accompanying drawings embodiment of the present utility model.Vibratory sieve shown in the drawings is the three shaft elliptic vibrative screen that three layers of screen cloth are arranged, and mainly is made up of underframe (5), screen box (1), vibrator (6), motor belt transmission mechanism (4), screen cloth, feed and discharge device (2), (3) and rubber spring (7).Vibrator (6) is arranged on the centroid position place of screen box one side, is made up of three vibrating shafts arranged side by side, speed ratio is housed is 1 intermeshed gear (9) on each root axle; The balancing disk (11) that eccentric weight equates, eccentric arm is identical is housed on each gear, and the relative position of balancing disk and gear can change, and locatees and is fixed on the gear (9) by bolt locating hole (10); The every interval of locating hole (10) is established one for 5 °, guarantees that vibrating direction angle is from 30 °～60 ° adjustment.On balancing disk (11), stud with several equiponderant adjustable counterweight posts (12).The vibrator belt pulley is eccentric, and motor belt transmission mechanism (4) is provided with belt stretcher.Motor pulley is the sheet of two halves, is provided with several spacers (15) in the middle of two belt pulleys (14).The side plate of screen box (1) is provided with spray apertures (8), can carry out washing screening to material.
In the initial loading timing, the eccentric mass on three axles is designed to the position shown in the b figure among Fig. 3.Because the effect of gravity, the resultant moment that eccentric mass produced are zero, static naturally position shown in a among Fig. 3, the position of the eccentric block after the assembling.
When the eccentric mass on three moved to direction position shown in the c among Fig. 3, the exciting force that eccentric mass produced was for minimum.Wherein the centrifugal force of two eccentric shaft quality generations is cancelled each other (ellipse short shaft direction), has only the centrifugal force of the eccentric mass generation of an axle to work.When the eccentric mass on three moves to direction position shown in the d among Fig. 3, because three eccentric mass are positioned at identical direction, so the exciting force that produces be a maximum (transverse direction).
Claims (4)
1, a kind of three shaft elliptic vibrative screen, form by underframe, screen box, vibrator, motor belt transmission mechanism, screen cloth, feed and discharge device and isolation spring, it is characterized in that: said vibrator (6) is made up of three vibrating shafts arranged side by side, and it is 1 intermeshed gear (9) that an end that is positioned at the vibrating shaft of screen box (1) one side all is equipped with speed ratio; The balancing disk (11) that eccentric weight equates, eccentric arm is identical is housed on each gear; The other end at vibrating shaft is equipped with and its eccentric mass that equates, the balancing disk (11) of identical eccentric arm; The relative position of balancing disk and gear can change, and locatees and is fixed on the gear by bolt.
2, three shaft elliptic vibrative screen according to claim 1 is characterized in that: stud with several equiponderant adjustable counterweight posts (12) on balancing disk.
3, three shaft elliptic vibrative screen according to claim 1 is characterized in that: motor pulley is made the sheet of two halves, is provided with several spacers (15) in the middle of two belt pulleys (14).
4, three shaft elliptic vibrative screen according to claim 1 is characterized in that: the vibrator belt pulley is made centering type, and the motor belt transmission mechanism is provided with belt stretcher.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00253588 CN2456850Y (en) | 2000-12-23 | 2000-12-23 | Three shaft elliptic vibrative screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00253588 CN2456850Y (en) | 2000-12-23 | 2000-12-23 | Three shaft elliptic vibrative screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2456850Y true CN2456850Y (en) | 2001-10-31 |
Family
ID=33611011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00253588 Expired - Fee Related CN2456850Y (en) | 2000-12-23 | 2000-12-23 | Three shaft elliptic vibrative screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2456850Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101972742A (en) * | 2010-10-18 | 2011-02-16 | 鞍山重型矿山机器股份有限公司 | elliptical track vibrating screen |
| CN101391251B (en) * | 2007-09-21 | 2011-08-24 | 西北工业大学 | Uniaxle excitation elliptical vibrating screen |
| CN105499127A (en) * | 2016-02-19 | 2016-04-20 | 海盐县通惠地质矿山机械有限公司 | Three-shaft vibrating screen with buffering storage hopper |
| CN106733627A (en) * | 2016-12-29 | 2017-05-31 | 上海丰琳精工机械制造有限公司 | A kind of three-shaft linkage block eccentric straight-line vibratory sieve |
| CN107116024A (en) * | 2017-05-12 | 2017-09-01 | 张家港亿联金属科技有限公司 | A kind of vibrating screen device |
| CN113073500A (en) * | 2020-11-06 | 2021-07-06 | 常州市瑞泰工程机械有限公司 | Vibration exciter, stabilizing device, stabilizing equipment and track maintenance vehicle |
-
2000
- 2000-12-23 CN CN 00253588 patent/CN2456850Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101391251B (en) * | 2007-09-21 | 2011-08-24 | 西北工业大学 | Uniaxle excitation elliptical vibrating screen |
| CN101972742A (en) * | 2010-10-18 | 2011-02-16 | 鞍山重型矿山机器股份有限公司 | elliptical track vibrating screen |
| CN105499127A (en) * | 2016-02-19 | 2016-04-20 | 海盐县通惠地质矿山机械有限公司 | Three-shaft vibrating screen with buffering storage hopper |
| CN106733627A (en) * | 2016-12-29 | 2017-05-31 | 上海丰琳精工机械制造有限公司 | A kind of three-shaft linkage block eccentric straight-line vibratory sieve |
| CN107116024A (en) * | 2017-05-12 | 2017-09-01 | 张家港亿联金属科技有限公司 | A kind of vibrating screen device |
| CN107116024B (en) * | 2017-05-12 | 2019-12-24 | 安徽双全面粉有限公司 | Vibrating screen device |
| CN113073500A (en) * | 2020-11-06 | 2021-07-06 | 常州市瑞泰工程机械有限公司 | Vibration exciter, stabilizing device, stabilizing equipment and track maintenance vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |