CN2177536Y - Percussion type string screen - Google Patents
Percussion type string screen Download PDFInfo
- Publication number
- CN2177536Y CN2177536Y CN 93247051 CN93247051U CN2177536Y CN 2177536 Y CN2177536 Y CN 2177536Y CN 93247051 CN93247051 CN 93247051 CN 93247051 U CN93247051 U CN 93247051U CN 2177536 Y CN2177536 Y CN 2177536Y
- Authority
- CN
- China
- Prior art keywords
- screen
- piano wire
- string
- screen surface
- straight line
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The utility model relates to a percussion type string screen, which belongs to a vibration screening machine. The utility model is composed of a machine frame (8), a screen box (1) which is installed aslant and a string screen surface (15). The utility model is characterized in that a percussion implement (27) is arranged on the lower part of the string screen surface (15); the percussion implement (27) is caused to realize reciprocating swinging movement by a motor (9) via a transmission mechanism, then, the string screen surface (15) is percussed instantly, and screening is realized. The screen box (1) can not vibrate in the process of screening, and an exciter is cancelled. Thus the utility model has the advantages of simplified structure of a whole machine, light weight and a large reduction of electric power.
Description
The present invention relates to a kind of vibration screening machinery, mainly is that the vibrating mechanism of piano wire screen has been done improvement.
At present, domestic and international existing piano wire screen, publish in April, 1993 just like the Coal Industry Press, " coal separation handbook technology and 182 pages of equipment volumes are described for book number ISBN7-5020-0703-2/TD.647, GXS-1218 type string raw coal sizing screen, be applicable to contain the high middle particulate raw coal screening of moisture, or dry deep-sizing.It is made up of frame, screen box, string screen cloth (or compass screen surface), transmission mechanism, vibrator and damping supporting spring, and wherein vibrator is placed on the screen box, screen box is directly vibrated and drive the string screen cloth to vibrate indirectly.Because vibrator and screen box directly ginseng shake, require the axle construction strength and stiffness of vibrator and the intensity height of screen box, the complete machine structure complexity, electric power consumption is big, and the screen box vibration is big by the dynamic loading that frame passes to the basis.
Task of the present invention provides a kind of vibrator of cancelling on the screen box, and the string compass screen surface is directly accepted moment hitting power and the piano wire screen of starting of oscillation.
Task of the present invention realizes by following technical scheme.
The beating type piano wire screen comprises frame, tilt to be installed in the screen box on the frame, the string compass screen surface of tensioning in the screen box, its main points are that the bottom of string compass screen surface is provided with beating device, the rotating shaft of beating device is connected with the amplitude adjustable plate of transmission mechanism, amplitude adjustable plate and straight line drive link axle connection, the straight line drive link is by the eccentric shaft connection of connecting rod and eccentric disc, and eccentric disc and change pulley link by belt and motor.The rotation of motor is slowed down through change pulley and is driven the eccentric disc rotation, and the eccentric shaft drivening rod of eccentric disc makes straight line transmission rod be formed in the linear reciprocating motion of compass screen surface; The straight line drive link drives the rotating shaft of amplitude adjustable plate and beating device and moves toward physical pendulum (commentaries on classics), makes the reciprocal moment strike of beating device compass screen surface, causes that compass screen surface directly vibrates.
Adopt technique scheme, screen box directly ginseng shake, the cancellation vibrator, complete machine structure is greatly simplified, and is in light weight, its weight only for existing with 1/2nd of area piano wire screen, eliminated the dynamic loading of vibration force to the basis; Because of directly hitting the piano wire rope starting of oscillation of compass screen surface, electric power consumption greatly reduces.
Describe structure of the present invention and embodiment in detail below in conjunction with accompanying drawing.
Fig. 1 represents the front view of beating type piano wire screen.
Fig. 2 represents the vertical view of beating type piano wire screen.
Fig. 3 represents 2 along the A-A cutaway view.
Beating type piano wire screen as Fig. 1, Fig. 2 and Fig. 3 represent comprises frame 8, and screen box tilt adjustment leading screw 6 is set on the frame front pillar, and screen box 1 tilts to be installed on the frame.Some equally spaced steel wire ropes of (incline direction) tensioning longitudinally in the screen box, constitute string compass screen surface 15, this string compass screen surface is fixed by frame support brace 18 and tensioning screw 7 tensionings, is longitudinally supported by two supporting location-plates parallel to each other 14 at least below compass screen surface; Generally according to material screening classification requirement, compass screen surface steel wire rope spacing (sieve seam width) is 6 millimeters or 13 millimeters, 3 millimeters.Bottom at the string compass screen surface, with respect to every supporting location-plate one group of beating device is set, promptly a screen(ing) machine is provided with two groups of beating devices that structure is identical at least, the group beating device of representing as Fig. 3 27 of going up comprises rotating shaft 17, bar 16 is hit in going up of being connected with this rotating shaft, hit the beater plate 23 that the bar upper end connects at this, No. two beater plates 24 that the lower end connects constitute; The structure of organizing beating device 28 down is identical with last group of beating device, promptly comprises lower rotary shaft 26, and the following strike bar 22 that is connected with this rotating shaft hits No. three beater plates 25 that the bar upper end connects at this, and No. four beater plates 13 that the lower end connects constitute.The last rotating shaft of representing as Fig. 2 17 is connected with the last amplitude adjustable plate 10 of transmission mechanism, and last amplitude adjustable plate is connected with last group plate 5 by bearing pin 12, on dial plate and direct drive link 3 front end link; Lower rotary shaft 26 is connected with following amplitude adjustable plate 21, following amplitude adjustable plate by bearing pin with set aside plate 20 and be connected, the rear end of setting aside plate and straight line drive link 3 links.Straight line drive link 3 is by deciding the end axle connection of bar 30 and connecting rod 11, and the end in addition of connecting rod links with the eccentric shaft of eccentric disc 19, and eccentric disc is connected with motor pulley 2 by belt with change pulley 4, and the main shaft of motor pulley and motor 9 links.
The beating type piano wire screen is work like this.
The pan feeding swash plate 29 that solid particle material to be sieved is represented from Fig. 1 slips on the string compass screen surface 15, directly impacts compass screen surface to avoid pan feeding.Motor 9 general rotating speeds with 1500 rev/mins drive change pulleys 4 by motor pulley 2 and eccentric disc 19 rotates, its gear ratio is generally 1/2nd, eccentric disc drivening rod 11 and decide bar 30 and make 3 generations of straight line drive link be parallel to the linear reciprocating motion of string compass screen surface; Be fixed on go up dialling plate 5, set aside plate 20 and drive bearing pins 12 and stir amplitude adjustable plate 10, vibrate adjustable plate 21 down and put (commentaries on classics) synchronously and move on the straight line drive link; Last amplitude adjustable plate drives the last rotating shaft 17 of going up group beating device 27, and it is moving that the lower rotary shaft 26 of group beating device 28 was put (commentaries on classics) synchronously under following amplitude adjustable plate drove.Fig. 3 represents goes up group beating device 27, organizes beating device 28 down is work like this: when straight line drive link 3 when compass screen surface makes progress (feeding end) rectilinear motion, pendulum (commentaries on classics) is moving counterclockwise synchronously for last rotating shaft 17, lower rotary shaft 26, and bar 16 is upward hit in drive and No. two beater plates 24, following strike bar 22 and No. four beater plates 13 make progress the moments strike counterclockwise on string compass screen surface 15, causes the compass screen surface vibration; When the straight line drive link along compass screen surface downwards during (discharge end) rectilinear motion, pendulum (commentaries on classics) is moving clockwise synchronously for last rotating shaft, lower rotary shaft, and drive is gone up, and the moment strike causes that compass screen surface vibrates in strike bar and beater plate 23, following strike bar and No. three beater plate 25 clockwise directions on the string compass screen surface.Hit vibrating screen surface and so forth, make the material on the compass screen surface do jumping downwards, see through compass screen surface, discharge downwards along compass screen surface, realize the screening of solid particle material greater than the granule materials of sieve aperture less than the granule materials of sieve aperture from feeding end.General striking frequency is 700～800 times/minute; Last amplitude adjustable plate 10, following amplitude adjustable plate 21 are in order to regulate the size of amplitude.
Claims (5)
1, a kind of beating type piano wire screen, comprise frame 8, tilt to be installed in the screen box 1 on the frame, the string compass screen surface 15 of tensioning in the screen box, the bottom that it is characterized in that the string compass screen surface is provided with beating device, and the rotating shaft of beating device is connected with the amplitude adjustable plate of transmission mechanism, 3 connection of amplitude adjustable plate and straight line drive link, the eccentric shaft connection of straight line drive link and eccentric disc 19, eccentric disc and change pulley 4 link by belt and motor 9.
2,, it is characterized in that piano wire screen basifacial two groups of beating devices that longitudinally setting is parallel to each other at least, structure is identical according to the described piano wire screen of claim 1.
3, according to claim 1 or 2 described piano wire screens, it is characterized in that beating device is by rotating shaft, the strike bar that is connected with this rotating shaft, the beater plate that connects at the both ends of hitting bar constitutes.
4,, it is characterized in that the amplitude adjustable plate is connected with the plate of dialling that connects firmly on straight line drive link 3 by bearing pin 12 according to the described piano wire screen of claim 1.
5, according to the described piano wire screen of claim 1, it is characterized in that the straight line drive link by deciding the end axle connection of bar 30 and connecting rod 11, the end in addition of connecting rod joins with the eccentric shaft of eccentric disc 19.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93247051 CN2177536Y (en) | 1993-12-07 | 1993-12-07 | Percussion type string screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93247051 CN2177536Y (en) | 1993-12-07 | 1993-12-07 | Percussion type string screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2177536Y true CN2177536Y (en) | 1994-09-21 |
Family
ID=33819554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93247051 Expired - Fee Related CN2177536Y (en) | 1993-12-07 | 1993-12-07 | Percussion type string screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2177536Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102873029A (en) * | 2012-10-18 | 2013-01-16 | 天地（唐山）矿业科技有限公司 | Striking device used for sieve bend |
-
1993
- 1993-12-07 CN CN 93247051 patent/CN2177536Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102873029A (en) * | 2012-10-18 | 2013-01-16 | 天地（唐山）矿业科技有限公司 | Striking device used for sieve bend |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101284933B1 (en) | Sorter for vibrating aggregate | |
| CN104889057B (en) | Three Degree Of Freedom flip flop screen | |
| US20130092607A1 (en) | Method and device for screening materials, such as aggregates and/or soils | |
| CN105344579A (en) | Adjustable vibration type bar screening equipment | |
| SU1680369A1 (en) | Vibration screen | |
| US4807487A (en) | Mass-compensation oscillating drive for oscillatory machines | |
| JP2935826B2 (en) | Swing sorter | |
| US2402340A (en) | Screen | |
| CN2454048Y (en) | Double-material independent-supported double-driven tension-relaxation sieve | |
| CN2177536Y (en) | Percussion type string screen | |
| CN206746989U (en) | A kind of Double shaft self synchronous elliptically vibrating screen | |
| CN111151448B (en) | Composite chaotic motion vibrating screen | |
| CN210187729U (en) | Multistage combination screening equipment | |
| US5456364A (en) | Powered screening apparatus | |
| CN1663695A (en) | Amplitude descending screening method and vibrating screen | |
| CN217017396U (en) | Flat-rotating hundred-meter classifying screen | |
| CN2156951Y (en) | Full balance vibration type rice sorting conveyer | |
| US1999673A (en) | Screening apparatus | |
| US5730297A (en) | Screening machine with improved base force reduction | |
| CN108906602A (en) | A kind of double-layer banana type vibration flip flop screen | |
| CN2552611Y (en) | Elastic screening machine | |
| CN2607203Y (en) | Single-beam exciting screen | |
| CN209077118U (en) | A kind of aggregate production tilting vibration separation screen | |
| US2730237A (en) | Vibrating screens | |
| CN2463073Y (en) | Horizontal set multiple frequency screen mesh-oscillating screen |
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 |