CN103611683B - Vibrating screen machine and fast clamping unit thereof - Google Patents
Vibrating screen machine and fast clamping unit thereof Download PDFInfo
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- CN103611683B CN103611683B CN201310585173.XA CN201310585173A CN103611683B CN 103611683 B CN103611683 B CN 103611683B CN 201310585173 A CN201310585173 A CN 201310585173A CN 103611683 B CN103611683 B CN 103611683B
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- backstay
- push rod
- pressing plate
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Abstract
The invention discloses a fast clamping unit used for clamping and moving a standard screen of a vibrating screen machine. The fast clamping unit comprises a pressure cover and positioning bars. The pressure cover can slide along the positioning bars. The fast clamping unit further comprises a locking device used for fastening the pressure cover and a loosening device used for moving the pressure cover. The locking device comprises an ejector bars and lock springs. One end of each ejector bar is abutted to one positioning bar. One end of each lock spring acts on the pressure cover, and the other end of each lock spring presses against one positioning bar. The loosening device comprises a pressure plate and pressure bars. One end of each pressure bar is hinged to one ejector bar, and the other end of every pressure bar acts on the pressure plate. The pressure plate can linearly reciprocate relative to the pressure cover and drive the pressure bars to rotate. The pressure plate can drive the ejector bars to leave the positioning bars through the pressure bars. The pressure cover can be moved simply by grabbing with hands, and can be fixed by automatic locking of the locking device; the fast clamping unit is simple to operate, time saving and labor saving. The invention further discloses the vibrating screen machine comprising the fast clamping unit.
Description
Technical field
The present invention relates to coal sample making technology field, particularly relate to a kind of vibrating sieving machine and fast fixture thereof.
Background technology
In coal sample making technology field, fast fixture often can be adopted to compress the standard screen on vibrating sieving machine.Please refer to Fig. 1 to Fig. 3, Fig. 1 is the structural representation of the fast fixture being applied to vibrating sieving machine in prior art, and Fig. 2 is the top view of Fig. 1, and Fig. 3 is the side sectional view of existing fast fixture.In prior art, most popular fast fixture a kind ofly utilizes three little push rods 04 to fix the device of gland 02.Its operation principle is as follows: first tightened by nut 07, movable gland 06 is pressed down, then by movable gland 06 and angle ejector rod 05, little push rod 04 is promoted forward, hold out against backstay 03, gland 02 can not be slided on backstay 03, thus play the effect of clamping standard screen 01; When moving gland 02, must unscrew nut 07, the spring 08 under the gland of utilization activity simultaneously 06, by movable gland 06 upwards jack-up, pulls angle ejector rod 05 and little push rod 04, thus reaches the object of unclamping standard screen 01.
Visible, existing fast fixture, when operating gland at every turn, first must unclamp nut and just can move up and down, when moving to desired location, must could lock by fastening nut again, therefore, there is unhandy shortcoming.
In addition, existing gland adopts a movable gland to promote three push rods and is fixed, and sometimes because three push rods can not unclamp and occur stuck phenomenon simultaneously after unclamping nut, causes gland can not move up and down on the securing lever or moves dumb.The power that this gland presses down by people is completely to compress standard screen, and operating personnel are difficult to hold thrust size and easily occur standard screen not complete hermetic situation during fastening nut after compressing, and have dust to leak when causing equipment to run.In addition, existing gland is that employing three backstays fix, additionally use the parts such as push rod, angle ejector rod, movable gland, screw rod, nut simultaneously, owing to adopting three-point fix, must ensure when processing this device that 3 positions are accurate, otherwise three push rods can not be locked simultaneously, but also there will be stuck phenomenon, therefore, there is the shortcoming of complex structure, processing difficulties.
Therefore, how solving the unhandy problem of fast fixture on vibrating sieving machine, is the current technical issues that need to address of those skilled in the art.
Summary of the invention
In view of this, the invention provides a kind of vibrating sieving machine and fast fixture thereof, for solving in use unhandy problem.
In order to solve the problem, the invention provides a kind of vibrating sieving machine and fast fixture thereof, for clamping and the standard screen of mobile vibrating sieving machine, comprise gland and backstay, described gland can slide along described backstay, also comprises:
For the locking device of the position of fixing described gland, comprise push rod and locking spring, one end of described push rod abuts with described backstay, and one end of described locking spring acts on described gland and the other end applies pressure by described push rod to described backstay;
For the back-off assembly of the position of mobile described gland, comprise pressing plate and depression bar, one end of described depression bar is articulated with described push rod, the other end of described depression bar acts on described pressing plate, described pressing plate can do straight reciprocating motion and drives described depression bar to rotate by relatively described gland, and described pressing plate drives described push rod to depart from described backstay by described depression bar.
Preferably, described gland is also provided with the back-moving spring be connected with described pressing plate, one end of described back-moving spring acts on described gland and the other end acts on described pressing plate, and described back-moving spring is contrary with the direction of motion of described pressing plate when unclamping described gland to the direction of the active force of described pressing plate.
Preferably, described gland is circular, and the quantity of described backstay is two, and two described backstays are connected to the center of line through described gland of the position of described gland.
Preferably, described push rod and described backstay are arranged vertically.
Preferably, the side that described backstay abuts with described push rod is provided with multiple tooth evenly distributed along described backstay, and one end that described push rod is connected to described backstay is provided with the secondary tooth engaged with described tooth.
Preferably, described fast fixture also comprises the resilient plunger be arranged on described gland, and described gland acts on described standard screen by described resilient plunger.
Preferably, the quantity of described resilient plunger is multiple, and multiple described resilient plunger is evenly distributed on described gland.
Preferably, described gland is also provided with the handle be oppositely arranged with described pressing plate.
Present invention also offers a kind of vibrating sieving machine, comprise the fast fixture described in above-mentioned any one.
A kind of fast fixture provided by the invention, for clamping and the standard screen of mobile vibrating sieving machine, comprise gland and backstay, described gland can slide along described backstay, also comprise: for the locking device of the position of fixing described gland, comprise push rod and locking spring, one end of described push rod abuts with described backstay, and one end of described locking spring acts on described gland and the other end applies pressure by described push rod to described backstay; For the back-off assembly of the position of mobile described gland, comprise pressing plate and depression bar, one end of described depression bar is articulated with described push rod, the other end of described depression bar acts on described pressing plate, described pressing plate can do straight reciprocating motion and drives described depression bar to rotate by relatively described gland, and described pressing plate drives described push rod to depart from described backstay by described depression bar.
When the mobile standard screen of needs, gland and pressing plate is caught with hand, the elastic force overcoming locking spring is to make pressing plate move relative to gland and to drive depression bar to rotate, simultaneously, the depression bar other end by push rod to layback in gland, now push rod departs from backstay, thus gland can be made to slide on the securing lever and mobile standard screen; When gland and standard screen move to desired location, directly hand is unclamped, now, pressing plate to reduce the active force of push rod together with depression bar thereupon or disappears, push rod is momentary reset abutting on the securing lever tightly under the active force of locking spring then, thus reaches the object of auto lock gland and standard screen.Visible, this programme have employed to the locking device of gland auto lock, can only need simple manual grasping manipulation during mobile gland, rely on the automatic fastening function of locking device just can realize during stationary gland, compared with prior art, this programme is easy and simple to handle, time saving and energy saving.
The present invention program additionally provides a kind of vibrating sieving machine comprising above-mentioned fast fixture, and the derivation of the beneficial effect that the derivation of the beneficial effect that this vibrating sieving machine produces and above-mentioned fast fixture bring is substantially similar, therefore repeats no more herein.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the fast fixture being applied to vibrating sieving machine in prior art;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the side sectional view of existing fast fixture;
The structural representation of a kind of vibrating sieving machine that Fig. 4 provides for specific embodiment of the invention scheme and fast fixture thereof;
The structure top view of a kind of fast fixture that Fig. 5 provides for specific embodiment of the invention scheme;
Fig. 6 is the structural representation of the resilient plunger in specific embodiment of the invention scheme;
In Fig. 1 to Fig. 3:
Standard screen-01, gland-02, backstay-03, little push rod-04, angle ejector rod-05, movable gland-06, nut-07, spring-08;
In Fig. 4 to Fig. 6:
Backstay-1, gland-2, back-moving spring-3, pressing plate-4, depression bar-5, straight pin-6, push rod-7, locking spring-8, resilient plunger-9, standard screen-10, handle-11.
Detailed description of the invention
Core of the present invention is to provide a kind of vibrating sieving machine and fast fixture thereof, for solving in use unhandy problem.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to Fig. 4 to Fig. 6, the structural representation of a kind of vibrating sieving machine that Fig. 4 provides for specific embodiment of the invention scheme and fast fixture thereof; The structure top view of a kind of fast fixture that Fig. 5 provides for specific embodiment of the invention scheme; Fig. 6 is the structural representation of the resilient plunger in specific embodiment of the invention scheme.
In a kind of specific embodiment, the invention provides a kind of fast fixture, for the standard screen 10 clamped and on mobile vibrating sieving machine, comprise gland 2 and backstay 1, gland 2 is for compressing standard screen 10 and can sliding up and down along backstay 1, this fast fixture also comprises locking device and back-off assembly, and locking device is used for the position of stationary gland 2 on backstay 1, and back-off assembly is for unclamping and the position of mobile gland 2.
Concrete, locking device comprises push rod 7 and locking spring 8, one end of push rod 7 abuts with the side of the periphery of backstay 1, one end of locking spring 8 acts on gland 2 and the other end applies pressure by push rod 7 pairs of backstays 1, thus make push rod be connected on backstay 1 tightly, frictional force between push rod 7 and backstay 1 makes gland 2 not to be moved by relative positioning bar 1, thus can realize the object of fixed standard sieve 10.Back-off assembly comprises pressing plate 4 and depression bar 5, one end of depression bar 5 is articulated with push rod 7 by straight pin 6, the other end of depression bar 5 acts on pressing plate 4, pressing plate 4 can relatively do straight reciprocating motion and drive depression bar 5 to rotate by gland 2, pressing plate 4 can gland 2 does vertical direction relatively, the relative rectilinear in horizontal direction or other direction moves back and forth, as long as pressing plate 4 can drive the end of depression bar 5 to be subjected to displacement when moving, thus push rod 7 can be driven to be subjected to displacement and depart from backstay 1.
When the mobile standard screen of needs, gland 2 and pressing plate 4 is caught with hand, the elastic force overcoming locking spring 8 is to make pressing plate 4 move relative to gland 2 and to drive depression bar 5 to rotate, simultaneously, depression bar 5 other end by push rod 7 to layback in gland 2, now push rod 7 departs from backstay 1, thus gland 2 can be made to slide and mobile standard screen 10 on backstay 1; When gland 2 and standard screen 10 move to desired location, directly hand is unclamped, now, pressing plate 4 reduces thereupon together with the active force of depression bar 5 pairs of push rods 7 or disappears, push rod 7 momentary reset under the active force of locking spring 8 is also connected on backstay 1 tightly, thus reaches the object of auto lock gland 2 and standard screen 10.Visible, this programme have employed to the locking device of gland 2 auto lock, can only need simple manual grasping manipulation during mobile gland 2, rely on the automatic fastening function of locking device just can realize during stationary gland 2, compared with prior art, this programme is easy and simple to handle, time saving and energy saving.
It should be noted that, gland in this programme is provided with the through hole for placing push rod 7, push rod 7 can move back and forth in this through hole, to realize and the abutting and disengaging of backstay 1, this through hole and backstay 1 are oppositely arranged, one end of push rod 7 can be stretched out through hole and be abutted with backstay 1, the other end of through hole is provided with locking spring 8, locking spring 8 in the present embodiment is in compressive state, namely one end of locking spring 8 acts on gland 2, other end compressing push rod 7 is pressed on backstay 1 tightly, the friction between push rod 7 and backstay 1 is relied on to stop its relative sliding.Certainly, locking spring 8 in this programme can be not only Compress Spring, it can also be extension spring, now, locking spring 8 acts on one end of gland 2 near backstay 1, and locking spring 8 acts on one end of push rod 7 then away from backstay 1, and namely locking spring 8 is now in extended state and its direction of pull forces push rod 7 to press to backstay 1, so, can locking function be realized equally.
It should be noted that, this programme center platen 4 has multiple by the mode that depression bar 5 drives push rod 7 to be moved, such as one end of depression bar 5 is ridden on pressing plate 4, when pressing plate 4 moves, pressing plate 4 can drive the end of depression bar 5 to tilt, and one end that depression bar 5 is articulated with push rod 7 is designed to the eccentric wheel structure that contacts with gland 2 or is similar to eccentric clamping structure, when depression bar 5 is while straight pin 6 rotates, eccentric wheel structure also relative gland 2 rotates, now, the eccentric wheel structure being pivot with straight pin 6 contacts with gland 2 with longer radius of turn side, because straight pin 6 can only do straight reciprocating motion along through hole together with push rod 7, so, depression bar 5 will drive push rod 7 to move to the inside, thus unclamp gland 2.Certainly, one end of depression bar 5 can also be articulated with pressing plate 4, depression bar 5 will be driven to rotate when pressing plate 4 moves time, and the length of depression bar 5 is certain, so, time one end that depression bar 5 is connected to pressing plate 4 is subjected to displacement, one end that depression bar 5 is articulated with push rod 7 will be moved along through hole.The present embodiment scheme is the first connected mode above-mentioned preferably.
Due to the elastic force effect of locking spring 8, after operating personnel unclamp hand, locking spring 8 can drive push rod 7 reset and realize auto lock.In order to strengthen back stretch further, guarantee that push rod 7 can be locked smoothly, in a kind of preferred version, the present embodiment is also provided with the back-moving spring 3 be connected with pressing plate 4 on gland 2, one end of this back-moving spring 3 acts on gland 2, and the other end acts on pressing plate 4, and the direction of the active force of back-moving spring 3 pairs of pressing plates 4 is contrary with the direction of motion of pressing plate 4 when unclamping gland 2, and namely back-moving spring 3 and locking spring 8 acting in conjunction ensure that push rod 7 is pressed on backstay 1.When gland 2 is in locking state, back-moving spring 3 stops the relative gland 2 of pressing plate 4 to move, and when needs unclamp gland 2, needs the elastic force effect of manual override back-moving spring 3 and locking spring 8 and pressing plate 4 is moved.
According to the shape of standard screen 10, the shape of gland 2 has different choice, and the gland 2 in the present embodiment is circular, and in order to the manufacturing process of simplification device, the quantity of the backstay 1 in the present embodiment is two, and each backstay 1 is independently, and can adjust.Two backstays 1 are connected to the center of line through gland 2 of the position of gland 2, and namely two backstays 1 are positioned at the two ends of certain diameter of gland 2.Setting like this, not only can ensure the clamping action of fast fixture to gland 2 and standard screen 10, also simplify the structure of device, decrease number of parts, reduce difficulty of processing, also save cost simultaneously.
Preferably, push rod 7 and backstay 1 are arranged vertically.Certainly, clamping function also angle can be there is between push rod 7 and backstay 1, as long as can be realized.
It should be noted that, backstay 1 can adopt various ways, as polished rod, light pipe, annular knurl bar or knurling tube, boring bar or drill pipe, serrated rod or band tooth pipe etc.; Backstay 1 in the present embodiment have employed band tooth hollow pipe, and the side namely abutted with push rod 7 at backstay 1 is provided with multiple tooth evenly distributed along backstay 1, and one end that push rod 7 is connected to backstay 1 is then provided with secondary tooth.When gland 2 moves to desired location, the tooth on the secondary tooth of push rod 7 and backstay 1 can engage, and reaches the object of locking, and tooth engagement locking has and is connected firmly, the advantage of reliable lock.
Can not lock at an arbitrary position, therefore, to the position adjustments poor effect of standard screen 10 owing to adopting during tooth engagement locking.In order to realize the locking of optional position, preferably, the fast fixture that the present embodiment provides also comprises the resilient plunger 9 be arranged on gland 2, and gland 2 acts on standard screen 10 by resilient plunger 9.When gland 2 presses down, directly compress standard screen 10 by resilient plunger 9, when institute's engaging tooth position does not reach assigned address, can be compressed by resilient plunger 9 or extend automatic adjusting position, thus realize standard screen 10 auto lock at an arbitrary position.And resilient plunger 9 has certain elastic force, can reliably compress standard screen 10, reach the object leaked without dust.
In order to strengthen the compression effect of resilient plunger 9, preferably, the quantity of resilient plunger 9 is multiple, and multiple resilient plunger 9 is evenly distributed on gland 2.
Conveniently operating personnel manually capture gland 2 and pressing plate 4, preferably, gland 2 is also provided with the handle 11 be oppositely arranged with pressing plate 4, so arranges, operating personnel just can capture handle 11 and pressing plate 4 easily simultaneously, thus apply active force more easily to unclamp gland 2.
Present invention also offers a kind of vibrating sieving machine comprising above-mentioned fast fixture, the derivation of the beneficial effect that the derivation of the beneficial effect that this vibrating sieving machine produces and above-mentioned fast fixture bring is substantially similar, therefore repeats no more herein.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a fast fixture, for clamping and the standard screen (10) of mobile vibrating sieving machine, comprise gland (2) and backstay (1), described gland (2) can slide along described backstay (1), it is characterized in that, also comprises:
For the locking device of the position of fixing described gland (2), comprise push rod (7) and locking spring (8), one end of described push rod (7) abuts with described backstay (1), and one end of described locking spring (8) acts on described gland (2) and the other end applies pressure by described push rod (7) to described backstay (1);
For the back-off assembly of the position of mobile described gland (2), comprise pressing plate (4) and depression bar (5), one end of described depression bar (5) is articulated with described push rod (7), the other end of described depression bar (5) acts on described pressing plate (4), described pressing plate (4) relatively described gland (2) can do straight reciprocating motion and drives described depression bar (5) to rotate, and described pressing plate (4) drives described push rod (7) to depart from described backstay (1) by described depression bar (5).
2. fast fixture according to claim 1, it is characterized in that, described gland (2) is also provided with the back-moving spring (3) be connected with described pressing plate (4), one end of described back-moving spring (3) acts on described gland (2) and the other end acts on described pressing plate (4), and described back-moving spring (3) is contrary with the direction of motion of described pressing plate (4) when unclamping described gland (2) to the direction of the active force of described pressing plate (4).
3. fast fixture according to claim 1, it is characterized in that, described gland (2) is circular, and the quantity of described backstay (1) is two, and two described backstays (1) are connected to the center of line through described gland (2) of the position of described gland (2).
4. fast fixture according to claim 1, is characterized in that, described push rod (7) and described backstay (1) are arranged vertically.
5. fast fixture according to claim 1, it is characterized in that, the side that described backstay (1) abuts with described push rod (7) is provided with multiple tooth evenly distributed along described backstay (1), and one end that described push rod (7) is connected to described backstay (1) is provided with the secondary tooth engaged with described tooth.
6. fast fixture according to claim 5, it is characterized in that, described fast fixture also comprises the resilient plunger (9) be arranged on described gland (2), and described gland (2) acts on described standard screen (10) by described resilient plunger (9).
7. fast fixture according to claim 6, is characterized in that, the quantity of described resilient plunger (9) is multiple, and multiple described resilient plunger (9) is evenly distributed on described gland (2).
8. fast fixture according to claim 1, is characterized in that, described gland (2) is also provided with the handle (11) be oppositely arranged with described pressing plate (4).
9. a vibrating sieving machine, is characterized in that, comprises the fast fixture described in any one of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310585173.XA CN103611683B (en) | 2013-11-19 | 2013-11-19 | Vibrating screen machine and fast clamping unit thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310585173.XA CN103611683B (en) | 2013-11-19 | 2013-11-19 | Vibrating screen machine and fast clamping unit thereof |
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| Publication Number | Publication Date |
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| CN103611683A CN103611683A (en) | 2014-03-05 |
| CN103611683B true CN103611683B (en) | 2015-06-17 |
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| CN201310585173.XA Active CN103611683B (en) | 2013-11-19 | 2013-11-19 | Vibrating screen machine and fast clamping unit thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103990594A (en) * | 2014-05-13 | 2014-08-20 | 南通市建筑科学研究院有限公司 | Vibrating screening machine for gravel |
| CN107029999A (en) * | 2017-05-18 | 2017-08-11 | 湖南绿海粮油有限公司 | A kind of rice screening machine of screen cloth easy to disassemble |
| CN110976277A (en) * | 2019-12-31 | 2020-04-10 | 西安赛隆金属材料有限责任公司 | Pneumatic vibrating screen |
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| DE3520535A1 (en) * | 1985-06-07 | 1986-12-11 | Mogensen Gmbh & Co Kg, 2000 Wedel | Appliance for monitoring the tension of the screens in classifiers and the like |
| CN2034091U (en) * | 1988-06-28 | 1989-03-15 | 景德镇陶瓷学院 | Takeup device for round shaking screen mesh |
| CN1039980A (en) * | 1988-08-05 | 1990-02-28 | 郑州粮食学院 | Vertical pressure-tight mechanism |
| CN2303688Y (en) * | 1997-04-23 | 1999-01-13 | 冶金工业部重庆钢铁设计研究院 | Positioned clamping apparatus |
| US6179128B1 (en) * | 1998-10-02 | 2001-01-30 | Tuboscope I/P, Inc. | Tension clamp and screen system |
| CN203648844U (en) * | 2013-11-19 | 2014-06-18 | 长沙开元仪器股份有限公司 | Vibrating sieving machine and quick clamping device thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3520535A1 (en) * | 1985-06-07 | 1986-12-11 | Mogensen Gmbh & Co Kg, 2000 Wedel | Appliance for monitoring the tension of the screens in classifiers and the like |
| CN2034091U (en) * | 1988-06-28 | 1989-03-15 | 景德镇陶瓷学院 | Takeup device for round shaking screen mesh |
| CN1039980A (en) * | 1988-08-05 | 1990-02-28 | 郑州粮食学院 | Vertical pressure-tight mechanism |
| CN2303688Y (en) * | 1997-04-23 | 1999-01-13 | 冶金工业部重庆钢铁设计研究院 | Positioned clamping apparatus |
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Effective date of registration: 20190529 Address after: No. 1259 Liangtang East Road, Xingsha Industrial Base (Changlong Street), Changsha Economic and Technological Development Zone, Changsha City, Hunan Province Patentee after: Kaiyuan Instrument Co., Ltd., Changsha Address before: 410100 No. 172 Kaiyuan Road, Changsha economic and Technological Development Zone, Hunan Patentee before: Changsha Kaiyuan Instruments Co., Ltd. |