CN203917145U - A kind of screen cloth tension adjusting device and screening plant - Google Patents
A kind of screen cloth tension adjusting device and screening plant Download PDFInfo
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- CN203917145U CN203917145U CN201420292345.4U CN201420292345U CN203917145U CN 203917145 U CN203917145 U CN 203917145U CN 201420292345 U CN201420292345 U CN 201420292345U CN 203917145 U CN203917145 U CN 203917145U
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Abstract
The utility model relates to a kind of screen cloth tension adjusting device and screening plant, and screen cloth tension adjusting device comprises screen cloth pressing plate connecting portion, screen cloth pressing plate, flexible adjustment portion and displacement adjusting portion; Screen cloth pressing plate connecting portion can be connected with screen cloth pressing plate with driving, displacement adjusting portion can be connected with screen cloth pressing plate connecting portion with driving, displacement adjusting portion regulates the size of displacement according to screen cloth tension or lax concrete needs, displacement by displacement adjusting portion drives screen cloth pressing plate connecting portion to move, and between displacement adjusting portion and screen cloth pressing plate connecting portion, is provided with flexible adjustment portion.The screen cloth tension adjusting device that the utility model provides is when screen cloth pressing plate connecting portion moves, and screen cloth pressing plate connecting portion drives screen cloth pressing plate to move, thereby strains or lax screen cloth by the movement of screen cloth pressing plate connecting portion; Cushioning effect plays in flexible adjustment portion, makes screen cloth tension adjustable range large, extends screen cloth service life, can well protect screen cloth, makes screen cloth not fragile, durable in use.
Description
Technical field
The utility model relates to engineering machinery field, is specifically related to a kind of screen cloth tension adjusting device and has the screening plant that this screen cloth is strained adjusting device.
Background technology
Thereby vibratory sieve refers to the polarization by vibrating motor or vibrator and drives screen box vibration to reach a kind of screening plant of material screening, according to the difference of vibratory sieve movement locus, is mainly divided into circular shale shaker and linear vibrating screen.Screen cloth tension adjusting device refers to be fixed on and on side plate, realizes bilateral adjustable screen degree of tightness and maybe can be placed in a kind of device that monolateral adjustable screen degree of tightness is realized in vibratory sieve one end.
Vibratory sieve is the sieving machine that is widely used in the industrial departments such as coal, ore dressing, building materials, mainly comprises screen box, vibrator, spring and assembly thereof, base for supporting, and screen box mainly comprises screen frame, screen cloth and screen cloth tension adjusting device.In vibratory sieve when work,, drive screen box to vibrate by vibrating motor or vibrator, and screen box vibration drives beating of material on screen cloth and mobile, thereby reach the object of screening.
As shown in Figure 1, the screen cloth tension adjusting device that vibratory sieve is conventional at present comprises tensioning plate 100, screen cloth pressing plate 101, side plate 102, bolt 103 and nut 104; Thereby the first end of tensioning plate 100 is connected on side plate 102, the second end is connected with screen cloth pressing plate 101, make the second end of tensioning plate 100 drive screen cloth pressing plate 101 to move; Bolt 103 is successively through tensioning plate 100, side plate 102 and nut 104.This screen cloth tension adjusting device is by bolt 103 tension tensioning plates 100, tensioning plate 100 tension screen clothes.This screen cloth tension adjusting device is in operation use procedure, and because tensioning plate 100 is one, the second end of tensioning plate 100 need be supported on side plate 102 and be fixed by first end when holding screen cloth pressing plate 101, therefore tensioning adjustable range is less; There is certain angle in the application of force direction of tensioning bolt 103 and the side of tensioning plate 100, easily make tensioning plate 100 deform and cause screen cloth relaxation, in addition, these tensioning plate 100 adjustable ranges are little, yielding, cause screen cloth tension unreliable, accelerate screen cloth and damage.
Utility model content
The utility model provides a kind of screen cloth tension adjusting device and screening plant, and this screen cloth tension adjusting device has solved the less and screen cloth of tensioning adjustable range that prior art exists and strained insecure technical problem.Main purpose of the present utility model is to make that screen cloth tension adjustable range is large and screen cloth is more stable, be difficult for relaxing.
For achieving the above object, the utility model provides following technical scheme:
A screen cloth tension adjusting device, screen cloth tension adjusting device comprises screen cloth pressing plate connecting portion, screen cloth pressing plate, flexible adjustment portion and displacement adjusting portion;
Screen cloth pressing plate connecting portion can be connected with screen cloth pressing plate with driving, displacement adjusting portion can be connected with screen cloth pressing plate connecting portion with driving, displacement adjusting portion regulates the size of displacement according to screen cloth tension or lax concrete needs, the displacement by displacement adjusting portion drives screen cloth pressing plate connecting portion to move; Between displacement adjusting portion and screen cloth pressing plate connecting portion, be provided with flexible adjustment portion, displacement adjusting portion overcomes down the elastic force effect of flexible adjustment portion in working order.
According to an embodiment of the present utility model, further, flexible adjustment portion is spring.
According to an embodiment of the present utility model, further, screen cloth pressing plate connecting portion comprises connecting plate and crossbeam, and crossbeam is connected on connecting plate, thereby crossbeam is connected with screen cloth pressing plate crossbeam drive screen cloth pressing plate is moved;
Displacement adjusting portion comprises limiting section, screw bolt and nut;
Screw bolt passes connecting plate, limiting section and nut, flexible adjustment portion is arranged between limiting section and nut.
According to an embodiment of the present utility model, further, limiting section is side plate, screw bolt passes connecting plate, side plate and nut, and flexible adjustment portion is arranged between side plate and nut.
According to an embodiment of the present utility model, further, flexible adjustment portion is spring, and spring is arranged between limiting section and nut, and bolt is through the centre bore of spring.
According to an embodiment of the present utility model, further, spring is helical spring or dish spring.
According to an embodiment of the present utility model, further, screen cloth pressing plate forms bending part near one end bending of screen cloth pressing plate connecting portion, thereby crossbeam withstands the bending part of screen cloth pressing plate, makes crossbeam drive screen cloth pressing plate to move.
According to an embodiment of the present utility model, further, screen cloth tension adjusting device also comprises intermediate plate, and intermediate plate is arranged between flexible adjustment portion and nut, and bolt is through intermediate plate.
According to an embodiment of the present utility model, further, screen cloth tension adjusting device also comprises plain cushion, and plain cushion is arranged between intermediate plate and nut, and bolt is through plain cushion.
According to an embodiment of the present utility model, further, screen cloth tension adjusting device also comprises bullet pad, and bullet pad is arranged between plain cushion and nut, and bolt is through bullet pad.
According to an embodiment of the present utility model, further, connecting plate comprises the first connecting plate and the second connecting plate, the first connecting plate and the second connecting plate interval arrange, the first connecting plate and the second connecting plate have respectively the first hole and the second hole in short transverse, and crossbeam is connected between first hole and the second hole of the first connecting plate simultaneously, between first hole and the second hole of the second connecting plate;
The first hole is set on limiting section, the second hole, the 3rd hole and the 4th hole, bolt comprises the first bolt, the second bolt, the 3rd bolt and the 4th bolt, nut comprises the first nut, the second nut, the 3rd nut and the 4th nut, the first hole of first screw bolt passes the first connecting plate, the first hole of limiting section and the first nut, the second hole of second screw bolt passes the first connecting plate, the second hole of limiting section and the second nut, the first hole of the 3rd screw bolt passes the second connecting plate, the 3rd hole of limiting section and the 3rd nut, the second hole of the 4th screw bolt passes the second connecting plate, the 4th hole of limiting section and the 4th nut.
According to an embodiment of the present utility model, further, flexible adjustment portion comprises the first spring, the second spring, the 3rd spring and the 4th spring, the first spring is arranged between limiting section and the first nut, the first bolt is through the centre bore of the first spring, the second spring is arranged between limiting section and the second nut, the second bolt is through the centre bore of the second spring, the 3rd spring is arranged between limiting section and the 3rd nut, the 3rd bolt is through the centre bore of the 3rd spring, the 4th spring is arranged between limiting section and the 4th nut, the 4th bolt is through the centre bore of the 4th spring.
According to an embodiment of the present utility model, further, screen cloth tension adjusting device also comprises the first intermediate plate and the second intermediate plate, the first intermediate plate and the second intermediate plate interval arrange, the first intermediate plate and the second intermediate plate have respectively the first hole and the second hole in short transverse, the first intermediate plate is arranged between the first spring and the first nut, between the second spring and the second nut, the first bolt is through the first hole of the first intermediate plate, the second bolt is through the second hole of the first intermediate plate, the second intermediate plate is arranged between the 3rd spring and the 3rd nut, between the 4th spring and the 4th nut, the 3rd bolt is through the first hole of the second intermediate plate, the 4th bolt is through the second hole of the second intermediate plate.
According to an embodiment of the present utility model, further, screen cloth tension adjusting device also comprises the first plain cushion, the second plain cushion, the 3rd plain cushion He Siping City pad, the first plain cushion is arranged between the first intermediate plate and the first nut, the first bolt is through the first plain cushion, the second plain cushion is arranged between the first intermediate plate and the second nut, the second bolt is through the second plain cushion, the 3rd plain cushion is arranged between the second intermediate plate and the 3rd nut, the 3rd bolt is through the 3rd plain cushion, Siping City's pad is arranged between the second intermediate plate and the 4th nut, and the 4th bolt is through Siping City's pad.
According to an embodiment of the present utility model, further, screen cloth tension adjusting device also comprises the first bullet pad, the second bullet pad, the 3rd bullet pad and the 4th bullet pad, the first bullet pad is arranged between the first plain cushion and the first nut, the first bolt is through the first bullet pad, the second bullet pad is arranged between the second plain cushion and the second nut, the second bolt is through the second bullet pad, the 3rd bullet pad is arranged between the 3rd plain cushion and the 3rd nut, the 3rd bolt is through the 3rd bullet pad, the 4th bullet pad is arranged between Siping City's pad and the 4th nut, and the 4th bolt is through the 4th bullet pad.
According to an embodiment of the present utility model, further, screen cloth pressing plate connecting portion also comprises fixed head, and the first end of fixed head is connected on connecting plate, the second end is connected on crossbeam.
According to an embodiment of the present utility model, further, screen cloth pressing plate connecting portion also comprises fixed head, and the first end of fixed head is connected between first hole and the second hole of the first connecting plate, between first hole and the second hole of the second connecting plate, and the second end is connected on crossbeam.
According to an embodiment of the present utility model, further, the second end of fixed head is connected on the bottom surface of crossbeam.
The utility model also provides following technical scheme:
A screening plant, screening plant comprises screen cloth tension adjusting device as above.
Arbitrary technical scheme based in technique scheme, the utility model embodiment at least can produce following technique effect:
Because screen cloth tension adjusting device provided by the utility model comprises screen cloth pressing plate connecting portion, screen cloth pressing plate, flexible adjustment portion and displacement adjusting portion; Screen cloth pressing plate connecting portion can be connected with screen cloth pressing plate with driving, and when screen cloth pressing plate connecting portion moves, screen cloth pressing plate connecting portion drives screen cloth pressing plate to move, thereby strains or lax screen cloth by the movement of screen cloth pressing plate connecting portion; Displacement adjusting portion can be connected with screen cloth pressing plate connecting portion with driving, displacement adjusting portion regulates the size of displacement according to screen cloth tension or lax concrete needs, thereby the displacement by displacement adjusting portion drives screen cloth pressing plate connecting portion to move, thereby also drives screen cloth to move; Between displacement adjusting portion and screen cloth pressing plate connecting portion, be provided with flexible adjustment portion, displacement adjusting portion overcomes down the elastic force effect of flexible adjustment portion in working order; Thereby screen cloth pressing plate is used for pushing down screen cloth makes screen cloth pressing plate be connected with screen cloth, when screen cloth pressing plate connecting portion moves, screen cloth pressing plate connecting portion drives screen cloth pressing plate to move, thereby strains or lax screen cloth by the movement of screen cloth pressing plate connecting portion; Cushioning effect plays in flexible adjustment portion, makes screen cloth tension adjustable range large, extends screen cloth service life, can well protect screen cloth, makes screen cloth not fragile, durable in use.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms the application's a part, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structure chart of the screen cloth tension adjusting device of prior art;
Fig. 2 is the stereoscopic-state schematic diagram of screen cloth tension adjusting device of the present utility model;
Fig. 3 is the top view of screen cloth tension adjusting device of the present utility model;
Fig. 4 is the generalized section of the A-A direction of Fig. 3;
Fig. 5 is the structural representation of screen cloth pressing plate connecting portion of the present utility model.
The specific embodiment
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
It should be noted that: any technical characterictic in the present embodiment, any technical scheme is all the technical characterictic of plurality of optional or one or more in optional technical scheme, cannot exhaustive all alternative technical characterictics of the present utility model and alternative technical scheme in order to describe succinct need in presents, also the embodiment that is not easy to each technical characterictic all emphasizes that it is one of optional numerous embodiments, so those skilled in the art should know: any technical characterictic in the present embodiment and any technical scheme all do not limit protection domain of the present utility model, protection domain of the present utility model should comprise that those skilled in the art do not pay the thinkable any alternate embodiments of creative work.
Below in order to narrate conveniently, hereinafter alleged " left side ", " right side ", " on ", left and right, the upper and lower of D score and accompanying drawing itself is to consistent.
As shown in Fig. 2,3,4,5, a kind of screen cloth tension adjusting device, screen cloth tension adjusting device comprises screen cloth pressing plate connecting portion 1, screen cloth pressing plate 2, flexible adjustment portion and displacement adjusting portion;
Thereby screen cloth pressing plate 2 is used for pushing down screen cloth makes screen cloth pressing plate 2 be connected with screen cloth, more properly, screen cloth pressing plate connecting portion 1 can be connected with screen cloth pressing plate 2 with driving, when screen cloth pressing plate connecting portion 1 moves, screen cloth pressing plate connecting portion 1 drives screen cloth pressing plate 2 to move, thereby strains or lax screen cloth by the movement of screen cloth pressing plate connecting portion 1; Displacement adjusting portion can be connected with screen cloth pressing plate connecting portion 1 with driving, displacement adjusting portion can regulate according to screen cloth tension or lax concrete needs the size of displacement, thereby the displacement by displacement adjusting portion drives screen cloth pressing plate connecting portion 1 to move, thereby also drives screen cloth to move; Between displacement adjusting portion and screen cloth pressing plate connecting portion, be provided with flexible adjustment portion, displacement adjusting portion overcomes down the elastic force effect of flexible adjustment portion in working order; In the vibratory sieve course of work, flexible adjustment portion to material the continuous impact that screen cloth is caused of beating play cushioning effect, extend screen cloth service life, can well protect screen cloth, make screen cloth not fragile, durable in use; When displacement adjusting portion drives screen cloth pressing plate connecting portion 1 to move, the active force that the contraposition of flexible adjustment portion moves between adjusting portion and screen cloth pressing plate connecting portion also plays cushioning effect, makes screen cloth tension adjustable range large.
The Principles of Regulation of this screen cloth tension adjusting device are: when displacement adjusting portion regulates displacement, displacement adjusting portion drives screen cloth pressing plate connecting portion 1 to move, screen cloth pressing plate connecting portion 1 drives screen cloth pressing plate 2 to move, and the mobile screen cloth that drives of screen cloth pressing plate 2 moves, and makes screen cloth tension or lax.
Flexible adjustment portion can be spring 10.In the vibratory sieve course of work, Oscillation Amplitude is very large, and spring 10 plays cushioning effect, can well protect screen cloth, makes screen cloth not fragile, durable in use.
In a specific embodiment of the present utility model, screen cloth pressing plate connecting portion 1 can comprise connecting plate 6 and crossbeam 7, and crossbeam 7 is connected on connecting plate 6, thereby crossbeam 7 is connected with screen cloth pressing plate 2 and makes crossbeam 7 drive screen cloth pressing plates 2 to move;
Displacement adjusting portion can comprise limiting section 3, bolt 4 and nut 5;
Bolt 4 is successively through connecting plate 6, limiting section 3 and nut 5, and flexible adjustment portion is arranged between limiting section 3 and nut 5.
The adjustment process of the screen cloth tension adjusting device in this specific embodiment is: limiting section 3 is fixed, when rotating nut 5, thereby limiting section 3 withstands nut 5 and makes nut 5 invariant positions, bolt 4 is moved, the moving belt of bolt 4 plate 6 that is dynamically connected moves, the mobile crossbeam 7 that drives of connecting plate 6 moves, the mobile screen cloth pressing plate 2 that drives of crossbeam 7 moves, and the mobile screen cloth that drives of screen cloth pressing plate 2 moves, and makes screen cloth tension or lax.
Screen cloth tension adjusting device in this specific embodiment is for tension and the adjusting of vibrating screen mesh, utilize screen cloth pressing plate connecting portion 1 to hold screen cloth, by adjustable screen pressing plate connecting portion 1 and the distance of limiting section 3, realize the quick switching of screen cloth tension and relaxed state, by screen cloth pressing plate connecting portion 1 tension screen cloth, connecting plate is parallel with limiting section, avoided tensioning plate of the prior art to hold yielding shortcoming, stable being difficult for relaxes more to make screen cloth; Connecting plate 6 is not fixed on limiting section 3, so the movement of connecting plate 6 is not subject to the restriction of limiting section 3, makes screen cloth tension adjustable range large, extends screen cloth service life; Adopt screen cloth pressing plate connecting portion 1 tensioning and the releasing orientation of tension adjustable screen fast, can realize the Fast Installation of screen cloth, make vibrating screen mesh always work in optimum state and be convenient to the service life that the replacing of screen cloth improves vibratory sieve; Simple in structure, regulate replacing screen cloth convenient and easy, cheap.
Limiting section 3 can be side plate, and bolt 4 is successively through connecting plate 6, side plate and nut 5, and flexible adjustment portion is arranged between side plate and nut 5.
Flexible adjustment portion can be spring 10, and spring 10 is arranged between limiting section 3 and nut 5, and bolt 4 is through the centre bore of spring 10.In the vibratory sieve course of work, Oscillation Amplitude is very large, and spring 10 plays cushioning effect, can well protect screen cloth, makes screen cloth not fragile, durable in use.
Spring 10 can be helical spring or dish spring.
Screen cloth pressing plate 2 forms bending part 9 near one end bending of screen cloth pressing plate connecting portion 1, thereby crossbeam 7 withstands the bending part 9 of screen cloth pressing plate 2, makes crossbeam 7 drive screen cloth pressing plate 2 to move.
Screen cloth tension adjusting device can also comprise intermediate plate 11, and intermediate plate 11 is arranged between flexible adjustment portion and nut 5, and bolt 4 is through intermediate plate 11.
Screen cloth tension adjusting device can also comprise plain cushion 12, and plain cushion 12 is arranged between intermediate plate 11 and nut 5, and bolt 4 is through plain cushion 12.
Screen cloth tension adjusting device can also comprise bullet pad 13, and bullet pad 13 is arranged between plain cushion 12 and nut 5, and bolt 4 is through bullet pad 13.In the vibratory sieve course of work, Oscillation Amplitude is very large, and bullet pad 13 plays cushioning effect, can well protect screen cloth, makes screen cloth not fragile, durable in use.
Bullet pad 13 refers to resilient pad, and plain cushion is that 12 fingers do not have flexible pad.
Connecting plate 6 can comprise the first connecting plate 6a and the second connecting plate 6b, the first connecting plate 6a and the second connecting plate 6b interval arrange, the first connecting plate 6a and the second connecting plate 6b have respectively the first hole 14 and the second hole 15 in short transverse, and crossbeam 7 is connected between the first hole 14 and the second hole 15 of the first connecting plate 6a simultaneously, between the first hole 14 and the second hole 15 of the second connecting plate 6b;
The first hole is set on limiting section 3, the second hole, the 3rd hole and the 4th hole, bolt 4 comprises the first bolt 4a, the second bolt 4b, the 3rd bolt 4c and the 4th bolt 4d, nut 5 comprises the first nut 5a, the second nut 5b, the 3rd nut 5c and the 4th nut 5d, the first bolt 4a passes the first hole 14 of the first connecting plate 6a successively, the first hole of limiting section 3 and the first nut 5a, the second bolt 4b passes the second hole 15 of the first connecting plate 6a successively, the second hole of limiting section 3 and the second nut 5b, the 3rd bolt 4c passes the first hole 14 of the second connecting plate 6b successively, the 3rd hole of limiting section 3 and the 3rd nut 5c, the 4th bolt 4d passes the second hole 15 of the second connecting plate 6b successively, the 4th hole of limiting section 3 and the 4th nut 5d.
The moving direction of screen cloth pressing plate 2 is defined as the direction that width is vertical with moving direction and is defined as length direction.
Preferably, the first connecting plate 6a, the second connecting plate 6b are separately positioned on the both sides on the length direction of screen cloth pressing plate 2, and for example the first connecting plate 6a is arranged on the left side on right side on the length direction of screen cloth pressing plate 2, length direction that the second connecting plate 6b is arranged on screen cloth pressing plate 2.
Preferably, the distance of the right edge on the length direction of the first connecting plate 6a and screen cloth pressing plate 2 is less than 5 centimetres, and the distance on the limit, left side on the length direction of the second connecting plate 6b and screen cloth pressing plate is less than 5 centimetres.
Both sides on the length direction of screen cloth pressing plate 2 of the first connecting plate 6a and the second connecting plate 6b tension screen cloth pressing plate 2, can make screen cloth on screen box evenly, tension securely, improve better the service life of screen cloth and the screening efficiency of vibratory sieve.
Crossbeam 7 is connected between the first hole 14 and the second hole 15 of the first connecting plate 6a simultaneously, between the first hole 14 and the second hole 15 of the second connecting plate 6b, when rotating nut 5, thereby limiting section 3 withstands nut 5 and makes nut 5 invariant positions, bolt 4 is moved, the moving belt of bolt 4 plate 6 that is dynamically connected moves, the mobile crossbeam 7 that drives of connecting plate 6 moves, can make the crossbeam 7 of screen cloth pressing plate connecting portion 1 stressed evenly, make the stressed tension equably of screen cloth or lax.
Flexible adjustment portion can comprise the first spring 10a, the second spring 10b, the 3rd spring 10c and the 4th spring 10d, the first spring 10a is arranged between limiting section 3 and the first nut 5a, the first bolt 4a is through the centre bore of the first spring 10a, the second spring 10b is arranged between limiting section 3 and the second nut 5b, the second bolt 4b is through the centre bore of the second spring 10b, the 3rd spring 10c is arranged between limiting section 3 and the 3rd nut 5c, the 3rd bolt 4c is through the centre bore of the 3rd spring 10c, the 4th spring 10d is arranged between limiting section 3 and the 4th nut 5d, the 4th bolt 4d is through the centre bore of the 4th spring 10d.In the vibratory sieve course of work, Oscillation Amplitude is very large, and the first spring 10a, the second spring 10b, the 3rd spring 10c and the 4th spring 10d play cushioning effect, can well protect screen cloth, make screen cloth not fragile, durable in use.
Screen cloth tension adjusting device can also comprise the first intermediate plate 11a and the second intermediate plate 11b, the first intermediate plate 11a and the second intermediate plate 11b interval arrange, the first intermediate plate 11a and the second intermediate plate 11b have respectively the first hole 14 and the second hole 15 in short transverse, the first intermediate plate 11a is arranged between the first spring 10a and the first nut 5a, between the second spring 10b and the second nut 5b, the first bolt 4a is through the first hole 14 of the first intermediate plate 11a, the second bolt 4b is through the second hole 15 of the first intermediate plate 11a, the second intermediate plate 11b is arranged between the 3rd spring 11c and the 3rd nut 5c, between the 4th spring 10d and the 4th nut 5d, the 3rd bolt 4c is through the first hole 14 of the second intermediate plate 11b, the 4th bolt 4d is through the second hole 15 of the second intermediate plate 11b.
The first hole 14 alignment of the first hole 14 of the first intermediate plate 11a and the first connecting plate 6a, the second hole 15 alignment of the second hole 15 of the first intermediate plate 11a and the first connecting plate 6a, the first hole 14 alignment of the first hole 14 of the second intermediate plate 11b and the second connecting plate 6b, the second hole 15 alignment of the second hole 15 of the second intermediate plate 11b and the second connecting plate 6b.
Screen cloth tension adjusting device can also comprise the first plain cushion 12a, the second plain cushion 12b, the 3rd pad 12d of plain cushion 12c He Siping City, the first plain cushion 12a is arranged between the first intermediate plate 11a and the first nut 5a, the first bolt 4a is through the first plain cushion 12a, the second plain cushion 12b is arranged between the first intermediate plate 11a and the second nut 5b, the second bolt 4b is through the second plain cushion 12b, the 3rd plain cushion 12c is arranged between the second intermediate plate 11b and the 3rd nut 5c, the 3rd bolt 4c is through the 3rd plain cushion 12c, the pad 12d of Siping City is arranged between the second intermediate plate 11b and the 4th nut 5d, the 4th bolt 4d is through the pad 12d of Siping City.
Screen cloth tension adjusting device can also comprise the first bullet pad 13a, the second bullet pad 13b, the 3rd bullet pad 13c and the 4th bullet pad 13d, the first bullet pad 13a is arranged between the first plain cushion 12a and the first nut 5a, the first bolt 4a is through the first bullet pad 13a, the second bullet pad 13b is arranged between the second plain cushion 12b and the second nut 5b, the second bolt 4b is through the second bullet pad 13b, the 3rd bullet pad 13c is arranged between the 3rd plain cushion 12c and the 3rd nut 5c, the 3rd bolt 4c is through the 3rd bullet pad 13c, the 4th bullet pad 13d is arranged between the pad 12d of Siping City and the 4th nut 5d, the 4th bolt 4d is through the 4th bullet pad 13d.In the vibratory sieve course of work, Oscillation Amplitude is very large, and the first bullet pad 13a, the second bullet pad 13b, the 3rd bullet pad 13c and the 4th bullet pad 13d play cushioning effect, can well protect screen cloth, make screen cloth not fragile, durable in use.
Screen cloth pressing plate connecting portion 1 can also comprise fixed head 8, and the first end of fixed head 8 is connected on connecting plate 6, the second end is connected on crossbeam 7.
Screen cloth pressing plate connecting portion 1 can also comprise fixed head 8, and the first end of fixed head 8 is connected between the first hole 14 and the second hole 15 of the first connecting plate 6a, between the first hole 14 and the second hole 15 of the second connecting plate 6b, and the second end is connected on crossbeam 7.
The second end of fixed head 8 is connected on the bottom surface of crossbeam 7.
Fixed head 8 plays the effect of supporting traverse 7, can make crossbeam 7 structures more firm.Connecting plate, crossbeam and fixed head can be by being welded to connect.
The mounting means of this screen cloth tension adjusting device is:
1, first the crossbeam of screen cloth pressing plate connecting portion 17 is connected to screen cloth pressing plate 2, notice that tension should make the crossbeam 7 of screen cloth pressing plate connecting portion 1 withstand the bending part 9 of screen cloth pressing plate 2 while regulating;
2, then successively bolt 4 is passed to connecting plate 6, side plate 3, spring 10 and the intermediate plate 11 of screen cloth pressing plate connecting portion 1 successively, in installation process, should make connecting plate 6 align with corresponding intermediate plate 11;
3, finally plain cushion 12, bullet pad 13 and nut 5 are successively passed to bolt 4, note when nut is strained or adjusted, making the beam vertical of screen cloth pressing plate connecting portion in side plate as far as possible.
In vibratory sieve use procedure, often due to vibration, material impact and wearing and tearing, make screen cloth become lax or damage, by this screen cloth tension adjusting device, screen cloth tensioning degree is regulated or more renew screen cloth.When needs are changed screen cloth, only need lax nut 5, drive bolt 4 motions, can make screen cloth pressing plate connecting portion 1 lax, make screen cloth in free state, pull down the screen cloth of damage; Change after new screen cloth, the position of adjustable screen pressing plate connecting portion 1, makes the crossbeam 7 of screen cloth pressing plate connecting portion 1 withstand the bending part 9 of screen cloth pressing plate 2, and nut 5 is locked gradually, and bolt 4 drives nuts 5 to make new screen cloth tension.
This screen cloth tension adjusting device is when screen cloth pressing plate connecting portion moves, screen cloth pressing plate connecting portion drives screen cloth pressing plate to move, thereby by the movement of screen cloth pressing plate connecting portion, strain or lax screen cloth, strain fast tensioning and the releasing orientation of adjustable screen, stable being difficult for relaxes more to make screen cloth; Screen cloth tension adjustable range is large, can regulate according to the concrete size of screen cloth and working condition, extends screen cloth service life; Simple in structure, compact, convenient installation and maintenance.
A screening plant, screening plant comprises screen cloth tension adjusting device as above.
The other parts of screening plant can, with reference to prior art, no longer be launched to describe herein.
Above-mentioned arbitrary technical scheme disclosed in the utility model unless otherwise stated, if it discloses number range, so disclosed number range is preferred number range, any it should be appreciated by those skilled in the art: preferred number range is only the obvious or representative numerical value of technique effect in many enforceable numerical value.Because numerical value is more, cannot be exhaustive, so the utility model just discloses part numerical value to illustrate the technical solution of the utility model, and the above-mentioned numerical value of enumerating should not form the restriction of the utility model being created to protection domain.
If used the words such as " first ", " second " to limit parts herein, those skilled in the art should know: the use of " first ", " second " is only used to be convenient to describe above parts are distinguished as not having outside Stated otherwise, and above-mentioned word does not have special implication.
Simultaneously, if above-mentioned the utility model discloses or has related to parts or the structural member of connection fastened to each other, so, unless otherwise stated, be fixedly connected with and can be understood as: can dismantle and be fixedly connected with (for example using bolt or screw to connect), also can be understood as: non-removable being fixedly connected with (for example rivet, weld), certainly, connection fastened to each other also can for example, be replaced (obviously cannot adopt except integrally formed technique) by integral type structure (use casting technique is integrally formed to be created).
In addition, in the disclosed arbitrary technical scheme of above-mentioned the utility model applied for the term that represents position relationship or shape unless otherwise stated its implication comprise and its approximate, similar or approaching state or shape.Arbitrary parts that the utility model provides can be both to be assembled by a plurality of independent parts, the produced separate part of the technique that also can be one of the forming.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the field are to be understood that: still can modify or part technical characterictic is equal to replacement the specific embodiment of the present utility model; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.
Claims (10)
1. a screen cloth tension adjusting device, is characterized in that,
Described screen cloth tension adjusting device comprises screen cloth pressing plate connecting portion, screen cloth pressing plate, flexible adjustment portion and displacement adjusting portion;
Screen cloth pressing plate connecting portion can be connected with screen cloth pressing plate with driving, displacement adjusting portion can be connected with screen cloth pressing plate connecting portion with driving, displacement adjusting portion regulates the size of displacement according to screen cloth tension or lax concrete needs, the displacement by displacement adjusting portion drives screen cloth pressing plate connecting portion to move; Between displacement adjusting portion and screen cloth pressing plate connecting portion, be provided with flexible adjustment portion, displacement adjusting portion overcomes down the elastic force effect of flexible adjustment portion in working order.
2. screen cloth tension adjusting device according to claim 1, is characterized in that,
Flexible adjustment portion is spring.
3. screen cloth tension adjusting device according to claim 1, is characterized in that,
Screen cloth pressing plate connecting portion comprises connecting plate and crossbeam, and crossbeam is connected on connecting plate, thereby crossbeam is connected with screen cloth pressing plate and makes crossbeam drive screen cloth pressing plate to move;
Displacement adjusting portion comprises limiting section, screw bolt and nut;
Screw bolt passes connecting plate, limiting section and nut, flexible adjustment portion is arranged between limiting section and nut.
4. screen cloth tension adjusting device according to claim 3, is characterized in that,
Limiting section is side plate, screw bolt passes connecting plate, side plate and nut, and flexible adjustment portion is arranged between side plate and nut.
5. screen cloth tension adjusting device according to claim 3, is characterized in that,
Flexible adjustment portion is spring, and spring is arranged between limiting section and nut, and bolt is through the centre bore of spring.
6. screen cloth tension adjusting device according to claim 3, is characterized in that,
Screen cloth pressing plate forms bending part near one end bending of screen cloth pressing plate connecting portion, thereby crossbeam withstands the bending part of screen cloth pressing plate, makes crossbeam drive screen cloth pressing plate to move.
7. screen cloth tension adjusting device according to claim 3, is characterized in that,
Described screen cloth tension adjusting device also comprises intermediate plate, and intermediate plate is arranged between flexible adjustment portion and nut, and bolt is through intermediate plate.
8. screen cloth tension adjusting device according to claim 7, is characterized in that,
Described screen cloth tension adjusting device also comprises plain cushion, and plain cushion is arranged between intermediate plate and nut, and bolt is through plain cushion.
9. screen cloth tension adjusting device according to claim 8, is characterized in that,
Described screen cloth tension adjusting device also comprises bullet pad, and bullet pad is arranged between plain cushion and nut, and bolt is through bullet pad.
10. a screening plant, is characterized in that, described screening plant comprises the screen cloth tension adjusting device described in claim 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420292345.4U CN203917145U (en) | 2014-06-04 | 2014-06-04 | A kind of screen cloth tension adjusting device and screening plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420292345.4U CN203917145U (en) | 2014-06-04 | 2014-06-04 | A kind of screen cloth tension adjusting device and screening plant |
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| Publication Number | Publication Date |
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| CN203917145U true CN203917145U (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420292345.4U Withdrawn - After Issue CN203917145U (en) | 2014-06-04 | 2014-06-04 | A kind of screen cloth tension adjusting device and screening plant |
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| CN (1) | CN203917145U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103977955A (en) * | 2014-06-04 | 2014-08-13 | 徐州徐工施维英机械有限公司 | Screen tensioning adjusting device and screening device |
-
2014
- 2014-06-04 CN CN201420292345.4U patent/CN203917145U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103977955A (en) * | 2014-06-04 | 2014-08-13 | 徐州徐工施维英机械有限公司 | Screen tensioning adjusting device and screening device |
| CN103977955B (en) * | 2014-06-04 | 2016-08-24 | 徐州徐工施维英机械有限公司 | A kind of screen cloth tension adjusting means and screening plant |
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