CN104056774A - Screening machine with connecting rod covering devices - Google Patents
Screening machine with connecting rod covering devices Download PDFInfo
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- CN104056774A CN104056774A CN201310225935.5A CN201310225935A CN104056774A CN 104056774 A CN104056774 A CN 104056774A CN 201310225935 A CN201310225935 A CN 201310225935A CN 104056774 A CN104056774 A CN 104056774A
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- screen box
- connecting rod
- screen
- screening machine
- vibrating frame
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Abstract
The invention relates to a screening machine. The screening machine comprises a screening box, a vibrating frame and a screening surface, wherein the screening box can be vibrated by virtue of a drive device and is provided with screening box side walls; the vibrating frame is elastically coupled with the screening box; the vibrating frame comprises connecting rods which are respectively connected with the screening box side walls elastically, and vibrating frame cross beams through those, the connecting rods are connected with each other; the screening surface is formed by a screening mesh, wherein the screening mesh is at least alternately and sectionally thickened by pressing or stretched by alternately fixing to the screening box, preferably the screening box cross beams for connecting each of the screening box side walls, and to the vibrating frame, preferably the vibrating frame cross beams. In order to inhibit the appearance of splashing particles or dust in the areas of the connecting rods, according to the arrangement of the invention, connecting rod covering devices are arranged; the connecting rod covering devices are provided with U-shaped cross sections in the directions perpendicular to the longitudinal lengths of the corresponding connecting rods; the connecting rod covering devices are connected with the screening box side walls in a sealed way; moreover, the connecting rod covering devices outwards surround the corresponding connecting rods in the sealed way relative to working positions.
Description
Technical field
The present invention relates to a kind of screening machine, comprise screen box, described screen box can be vibrated and be had screen box sidewall by drive unit, described screen box in the operating position of screening machine flexibly, preferably by spring supporting on fixing base, in addition described screening machine also comprises flexibly the vibrating frame being coupled with screen box, described vibrating frame comprises the each connecting rod flexibly connecting with each screen box sidewall and the vibrating frame crossbeam that each connecting rod is connected, and described screening machine comprises the compass screen surface being formed by screen cloth, wherein, screen cloth is by being alternately fixed on screen box, be preferred for making on screen box crossbeam that each screen box sidewall connects and at vibrating frame, preferably on vibrating frame crossbeam, at least segmentation is alternately pressed thick or is stretched, wherein the fringe region extending transverse to vibrating frame crossbeam of screen cloth is upwards drawn.
Background technology
Known a kind of screening machine from A T393636B, described sieve classification machine comprises screen box and the compass screen surface being made up of screen cloth with screening side, wherein, the fringe region of screen cloth is drawn high and be there is no a punching.Screen cloth realized by this geometry of screen cloth or compass screen surface seals and should stop coarse granule to enter the lower section of screening machine with respect to screen box sidewall
Screen cloth is alternately connected with screen box and a vibrating frame, and described vibrating frame comprises the connecting rod being connected with screen box sidewall elasticity, and described screen cloth is alternately pressed thick segmentedly and stretches.Here, screen cloth is fixed on the vibrating frame of the vibrating frame crossbeam being connected with connecting rod, wherein, in screen box sidewall, is provided with through hole, for connecting vibrating frame crossbeam and connecting rod.Can not realize along connecting rod sealing through hole prevent from splashing particle and dust and overflowing by the scheme of announcing in A T393636B.In the time sieving dry product, also can avoid forming dust by this geometry of screen cloth equally less, the dust of formation is outwards overflowed from machine intimate, and environment is caused to great destruction.
Summary of the invention
The present invention will provide a kind of screening machine of avoiding above-mentioned shortcoming.Especially to ensure effectively to stop selecting of splash particle and dust in the via regions of screen box sidewall along the connecting rod of vibrating frame.In addition the dust that, conventionally can avoid forming dust and welding in the time that screening machine moves is outwards overflowed.
Starting point is a kind of screening machine, described screening machine comprises screen box, described screen box can be vibrated and be had each screen box sidewall by drive unit, described screen box in the operating position of screening machine flexibly, preferably by spring supporting on fixing base, in addition described screening machine also comprises flexibly the vibrating frame being coupled with screen box, described vibrating frame comprise with each connecting rod of screen box sidewall resilient connection and with the vibrating frame crossbeam that each connecting rod is connected, and described screening machine comprises a compass screen surface being formed by screen cloth, wherein, screen cloth is by being alternately fixed on screen box, be preferred for connecting screen box crossbeam and the vibrating frame of each screen box sidewall, preferably on vibrating frame crossbeam, at least piecewise is alternately pressed thick or is stretched, and the fringe region that the direction transverse to vibrating frame crossbeam of screen cloth is extended is upwards drawn and preferably be there is no punching.In order to stop splash particle and/or dust outwards overflow and may affect environment in tie bar regions or along connecting rod, according to the present invention, at least one connecting rod arranges connecting rod cladding system.In addition, propose according to the present invention, connecting rod cladding system has the cross section of U-shaped in the direction vertical with the longitudinal length of corresponding connecting rod, and connecting rod cladding system is connected hermetically with screen box sidewall, and connecting rod cladding system outwards surrounds corresponding connecting rod hermetically about operating position, that is to say, connecting rod cladding system is seen and is surrounded hermetically forward or backward corresponding connecting rod up or down and in the longitudinal length direction of connecting rod in operating position.
Being tightly connected is to realize with known method, for example, have the seal lip of being made up of rubber of preferred perforation by connecting rod cladding system, and connecting rod cladding system is connected with screen box sidewall by described seal lip.For ensure connecting rod cladding system about operating position in front and back, that is to say the longitudinal length direction of connecting rod see connecting rod above or also surround corresponding connecting rod below, the cross section of connecting rod cladding system in parallel with the longitudinal length of connecting rod and parallel with vibrating frame crossbeam plane also can be configured to U-shaped.Correspondingly, also can protect each connecting rod, in operating position, prevent splash particle and/or dust and/or pollutant from outside.
, realize connecting rod by rubber bumper and be connected with screen box sidewall is flexible preferred embodiment in flexible program in one.Correspondingly, preferred embodiment setting in flexible program according to the one of screening machine of the present invention, connecting rod cladding system also surrounds and attaches troops to a unit in the rubber bumper of respective link hermetically, avoid rubber bumper or connecting rod be coupled portion or support is polluted.Correspondingly, also can protect connecting rod and the connecting rod elasticity on screen box sidewall to be coupled portion or support, in operating position, prevent from outside splash particle as/or dust and/or foul.
For monitoring the skew of connecting rod or motion and intact functional, according to the preferred embodiment flexible program of screening machine of the present invention, to set, connecting rod cladding system has at least one observation window.Preferably, observation window realized be connected with screen box sidewall elasticity at connecting rod or the region of axle connection in, the preferably observation to connecting rod in the region of rubber bumper.
Each screen box sidewall has a through hole, to realize in vibrating frame crossbeam and corresponding being connected between connecting rod.That is to say, vibrating frame crossbeam is to be connected with corresponding connecting rod through through hole.Wherein, vibrating frame crossbeam is not to be directly connected with connecting rod, but is connected with the retaining element being fixed on connecting rod, and wherein, screen box sidewall is arranged between retaining element and connecting rod.
Correspondingly, according to the particularly preferred embodiment of the one of screening machine of the present invention, set: on vibrating frame, retaining element is preferably set on connecting rod, described retaining element is for being fixed on vibrating frame vibrating frame crossbeam.
For stop splash particle with lower section or if desired from compass screen surface enter through hole or through through hole arrive at connecting rod or or even enter the region of the resilient connection of connecting rod and screen box sidewall, in according to the particularly preferred embodiment of the one of screening machine of the present invention, set: an inner side at screen box sidewall arranges at least one sealing plate, and sealing plate surrounds the through hole of screen box sidewall, wherein, see along the direction parallel with the longitudinal length of vibrating frame crossbeam, a vibrating frame crossbeam is correspondingly set in through hole.Here, sealing plate can be understood as in the setting of the inner side of screen box sidewall, between sealing plate and inner side, can have certain distance.
In addition, corresponding sealing plate is arranged between corresponding retaining element and screen box sidewall and externally forms the sealing of labyrinth form, and wherein, the hole of the remaining inner clear span of respective through hole is minimized.The particle that splashes is reduced to minimum by the danger of through hole whereby.Wherein, corresponding sealing plate is connected with vibrating frame, is preferably connected with retaining element.
Correspondingly, according to the particularly preferred embodiment of the one of screening machine of the present invention, set: each sealing plate form regularly for screen box sidewall respective through hole labyrinth form sealing and be connected with vibrating frame.
Although because have sealing plate still can not get rid of to splash particle and dust can enter connecting rod cladding system region, according to a kind of particularly preferred embodiment of screening machine of the present invention, propose to make to splash particle and dust are back to the inside of screening machine or the scheme of screen box.Correspondingly, in according to the particularly preferred embodiment of the one of screening machine of the present invention, set: for operating position, in the minimum point region of corresponding connecting rod cladding system, at corresponding screen box sidewall, a material reflow mouth is set, possible particle and the dust of splashing can flow back in screen box by described material reflow mouth.
For splash particle and the dust that stop in operating position compass screen surface are outwards overflowed from screen box, in according to the particularly preferred embodiment of the one of screening machine of the present invention, set: be provided with flexible cover plate, described cover plate is sealed shut screen box above compass screen surface in operating position.In the time that screen box vibrates with respect to fixing base or moves, flexible cover plate and screen box together vibrate or move.
Fix quietly especially the cover plate of described flexibility in order to realize, in according to a particularly preferred embodiment of screening machine of the present invention, set: flexible cover plate is connected with screen box sidewall and intermediate support, wherein, intermediate support is parallel to the extending longitudinally of screen box and is arranged between screen box sidewall, is preferably arranged on central authorities with respect to compass screen surface, and intermediate support is preferably supported at least one cover plate beam.Preferably, described at least one cover plate beam connects each screen box sidewall.
For the dust that can produce in the time sieving by blast pipe sucking-off, in according to the particularly preferred embodiment of the one of screening machine of the present invention, set: at least one suction tube joint is set, described suction tube joint is arranged on of flexible cover plate and is connected with flexible cover plate above hole and hermetically in operating position, wherein, can connect at least one blast pipe at described at least one suction tube joint.
In order here also will and to ensure trouble-freely to aspirate with respect to the motion of screen box or vibration, in according to the particularly preferred embodiment of the one of screening machine of the present invention, set: be provided with at least one flexible connector, for described at least one blast pipe is connected with described at least one suction tube joint.Compensate by this method the motion with respect to blast pipe of flexible cover plate or screen box.
To fall outside in order stoping in operating position at splash material and dust in the time that compass screen surface is carried screening materials carrying, to be provided with a feed sealing frame.Described feed sealing frame, around the edge of material inlet, can be carried compass screen surface by screening materials carrying by material inlet.Described feed sealing frame is on the one hand by first end face, screen box sidewall and the flexible cover plate for sealing ground sealing of screen box.On the other hand, feed sealing frame is constructed in this wise, makes to guide the feed pipe of screening materials carrying to be connected hermetically with feed sealing frame in known manner.Therefore, in according to the particularly preferred embodiment of the one of screening machine of the present invention, set: be provided with the feed sealing frame around sealing material inlet, wherein, can carry screening materials carrying to compass screen surface from the outside in operating position by described material inlet, feed sealing frame operating position be arranged on compass screen surface above and feed sealing frame be connected hermetically with first end face of screen box, and screen box sidewall is connected with flexible cover plate for sealing ground.
Feed sealing frame can be in operating position for example arranges as follows, that is: see along normal orientation, and it is not arranged on the top of compass screen surface, neither partly be arranged on the top of compass screen surface.In this case, screening materials carrying does not directly drop on compass screen surface by material inlet, but indirectly, for example arrive at compass screen surface by an inner side that is designed to the first end face of slideway.But, according to a kind of particularly preferred embodiment of screening machine of the present invention, set a kind of structure of feed sealing frame, in described structure, screening materials carrying directly arrives compass screen surface by material inlet.Correspondingly, in according to the particularly preferred embodiment of the one of screening machine of the present invention, set: see along throughput direction, compass screen surface has a top and one and is positioned at top end below, see along normal orientation, material inlet is arranged between the top and end of compass screen surface, wherein at least partly, the vibrating frame plane that normal orientation is positioned with vibrating frame crossbeam is vertical, and point to screen cloth from vibrating frame crossbeam, that is to say, in operating position from the bottom up.
In order to stop in operating position splash when the end discharges material of compass screen surface material and dust to fall outside, be provided with discharge sealing frame.Discharge sealing frame is surrounded discharge gate, can outwards carry by the end from compass screen surface in operating position by described discharge gate screening materials carrying.Discharge sealing frame is sealed shut by second end face and the screen box sidewall of screen box on the one hand.On the other hand, discharge sealing frame is constructed in this wise, and a drainage conduit that receives screening materials carrying can be connected with discharge sealing frame in known manner hermetically.Correspondingly, in according to the particularly preferred embodiment of the one of screening machine of the present invention, set: a discharge sealing frame of surrounding discharge gate is set, wherein, can outwards carry by the end from compass screen surface in operating position by described discharge gate screening materials carrying, discharge sealing frame operating position be arranged at least partly compass screen surface below, and discharge sealing frame is sealed shut by second end face and the screen box sidewall of screen box, wherein, see along throughput direction, the second end face is positioned at the downstream of the first end face.
In order to utilize gravity that the screening materials carrying of compass screen surface end is carried by discharge gate in operating position, according to the particularly preferred embodiment of the one of screening machine of the present invention, set: see that along throughput direction discharge gate is arranged on the downstream of the end of compass screen surface at least partly.
(under sieve, particle refers to the screening materials carrying of falling lower section through the mesh of screen cloth from upper segment) splash particle and dust outwards overflowed when stoping in operating position under discharge sieve particle, is provided with lower section sealing frame.Described lower section sealing frame is surrounded the lower particle discharge gate of sieve, wherein, can particle under sieve be carried to the outside in operating position by particle discharge gate under described sieve.Lower section sealing frame is connected hermetically below operating position is arranged on screen box and with screen box.
In addition, lower section sealing frame is constructed in this wise, and the lower section drainage conduit of particle under receiving screen can be connected with lower section sealing frame in known manner hermetically.Correspondingly, in according to the particularly preferred version of the one of screening machine of the present invention, set: be provided with the lower section sealing frame of surrounding particle discharge gate under sieve, wherein, particle under sieve can be carried to the outside in operating position by particle discharge gate under described sieve, lower section sealing frame operating position be arranged on screen box below, and lower section sealing frame is connected hermetically with screen box.
In order to utilize gravity that screening materials carrying is transported on compass screen surface, in operating position, the fixing base with respect to level tilts with an angle or with an angle reducing along throughput direction compass screen surface.Correspondingly, connecting rod also tilts by this way.Therefore, according to the particularly preferred embodiment of the one of screening machine of the present invention, set: connecting rod extends with an angle or with an angle reducing along throughput direction with respect to fixing base along throughput direction obliquely in operating position.
For can be by a optionally classification and unique vibrational system is only set on screen box simultaneously of multiple compass screen surfaces, in according to the particularly preferred embodiment of the one of screening machine of the present invention, set, the extra compass screen surface that at least one forms by extra screen cloth is set, wherein, extra screen cloth is to be also alternately fixed on screen box, preferably screen box crossbeam and vibrating frame, preferred vibrating frame crossbeam.
Especially realize and on screen box, use a unique vibrational system and compact especially structure by the screen cloth of different compass screen surfaces being fixed therein on a retaining element.Correspondingly, according to the particularly preferred embodiment of the one of screening machine of the present invention, set: multiple vibrating frame crossbeams are fixed on above one of them of retaining element, and the screen cloth of different compass screen surfaces is fixed on described vibrating frame crossbeam.
In order to realize a kind of special compact structure, according to the particularly preferred embodiment of the one of screening machine of the present invention, to set, each compass screen surface extends parallel with respect to each other .ly.
Brief description of the drawings
By exemplifying embodiment, the present invention will be described in more detail now.Accompanying drawing is exemplary and embodied thought of the present invention, but can never be limited or or even termination reflect.
Fig. 1 illustrates according to the axle of screening machine of the present invention and surveys view;
Fig. 2 illustrates according to the side view of the screening machine that comprises two compass screen surfaces of the present invention;
Fig. 3 illustrates according to the cutaway view of the cutting line A-A in Fig. 2;
Fig. 4 illustrates according to the cutaway view of the cutting line B-B in Fig. 2;
Fig. 5 illustrates the top view of the sealing plate in Fig. 4;
Fig. 6 illustrates according to the side view of another screening machine that comprises two compass screen surfaces of the present invention;
Fig. 7 is illustrated in the detail drawing of the connecting rod cladding system in the screen box sidewall areas that comprises material reflow mouth.
Detailed description of the invention
The axle of Fig. 1 survey in view, can find out one be in operating position according to screening machine of the present invention, described screening machine comprises a screen box 10 with screen box sidewall 7.Screen box 10 is supported on a base 12 fixing, preferred levels with spring 13.In addition, the screening machine shown in Fig. 1 comprises that one by motor-driven simple uneven drive unit 9, and described uneven drive unit makes screen box 10 carry out circular vibration.As option, uneven drive unit 9 also can be formed as the two uneven drive unit (referring to Fig. 6) of the uneven counterweight that comprises mutual inverted running, generates whereby straight line exciting.As another flexible program, uneven drive unit 9 also can be formed as dual or triple uneven drive units, makes screen box 10 carry out oval-shaped vibration.
On screen box 10, be provided with a vibrational system that forms vibrating frame, described vibrational system comprises by preferred elastomeric rubber bumper 14 and is bearing in the connecting rod 15 on the screen box sidewall 7 of screen box 10 and is arranged on the retaining element 8 on connecting rod, as the cutaway view in Fig. 3 (referring to the cutting line A-A in Fig. 2) can be found out.Retaining element 8 substantially with the longitudinal axis of connecting rod 5 vertically and be parallel to screen box sidewall 7 and extend.On each retaining element 8, fix at least one vibrating frame crossbeam 2.Vibrating frame crossbeam 2 connects retaining element 8 or the connecting rod 5 put toward each other.
Screen box sidewall 7 interconnects by screen box crossbeam 1 and cover plate beam 50, referring to Fig. 4.
The screening machine of the form of implementation scheme of Fig. 1 has compass screen surface 6 (or a cover plate that comprises compass screen surface 6), and wherein, compass screen surface 6 is by comprising that the screen cloth 3 that sieves hole forms (referring to Fig. 3).Each screen cloth 3 is alternately fixed on a vibrating frame crossbeam 2 and a screen box crossbeam 1.
Preferably substantially realize the fixing of vibrating frame crossbeam 2 and also realize the fixing of preferred screen box crossbeam 1 in a vibrating frame plane 16 (referring to Fig. 3), thereby substantially generating a flat compass screen surface 6.Due to certain deflection of single screen cloth 3, caused the deviation that produces straight or flat compass screen surface 6 by system.This is essential, to press thick and stretching screen cloth 3.
The functional mode of screening machine is as follows: also make vibrating frame be subject to amplitude excitations by the screen box 10 vibrating by drive unit 9 and vibrate.By the connecting rod 5 of vibrating frame is flexibly bearing on screen box 10, generate the vibration of vibration of foundation biasing vibrating frame and screen box 10.Pass through, on the one hand screen cloth 3 is alternately fixed on screen box 10 or screen box crossbeam 1 and on the other hand on vibrating frame crossbeam 2, screen cloth 3 is alternately pressed thick and stretching, thereby again realizes best screening effect.
Screening machine can have multiple cover plates that comprise extra compass screen surface 37, wherein, described extra compass screen surface by extra screen cloth 49 (referring to Fig. 6)-with compass screen surface 6 all fours-formation.Screening materials carrying can be divided in this way to multiple classifications.Fig. 2 illustrates the side view of screening machine, shown in screening machine comprise two cover plates or compass screen surface 6 and a unique extra compass screen surface 37.Fig. 2 illustrates a kind of embodiment flexible program, attaches troops to a unit and connect from different connecting rods 5 in the vibrating frame crossbeam 2 of different compass screen surface 6,37 in embodiment flexible program.That is to say have in this case two vibrational systems or two vibrating frames.
But, use retaining element to realize, in the case of only having, multiple cover plates or compass screen surface 6,37 are set a unique vibrational system.Here, the vibrating frame crossbeam 2 of multiple support screen 3, different compass screen surface 6,37 is fixed on retaining element 8.Consequent advantage is, the structure of whole equipment is low especially, thereby also can portablely use.In addition, the adjusting of vibrational system is also obviously simpler, because only need regulate a vibrational system.Fig. 6 illustrates that comprises a cutaway view for the embodiment flexible program of two compass screen surfaces 6,37 altogether.Comprise more than the flexible program of two compass screen surfaces 6,37 and can like complete class, construct, thereby in explanation no longer extraly.
Irrelevant with the quantity of cover plate or compass screen surface 6,37, carry advantageously for the continuation of screening materials carrying: compass screen surface the 6, the 37th, tilts along throughput direction substantially.Therefore, the 23 operating position, top of compass screen surface 6, higher than the end 24 of compass screen surface 6, wherein, sees that along throughput direction 32 top 23 is arranged on the downstream of end 24, referring to Fig. 2.
Throughput direction 32 overlaps with the longitudinal of screen box 17 in an illustrated embodiment.This inclination causes, and connecting rod 5 tilts an angle at throughput direction 32 with respect to fixing base 12 and extends.Corresponding, normal orientation 28 (that is to say, normal orientation 28 is from lower sensing on operating position) vertical with vibrating frame plane 16 and point to the screen cloth 3 of attaching troops to a unit from vibrating frame crossbeam 2 is with respect to vertical line inclination or not vertical with fixing base 12.
In addition, also can realize the version (not shown) of banana-shaped, it comprises a screen box cover plate inclination angle reducing continuously.Here, the angle that connecting rod 5 reduces along throughput direction 32 with the base 12 with respect to fixing is extended obliquely.In this case, compass screen surface 6,37 does not form plane, but forms a curved surface.
From the cutaway view of Fig. 3, can find out, screen cloth 3 edge region 4 are bent upwards and preferably do not sieve hole 44, in other words, not by punching, unexpectedly spill into lower section 30 to suppress thick screening materials carrying (" coarse granule ") from upper segment 29.
In order to stop dust, the material that splashes (" particle splashes ") or pollutant overflow and enter the external world from the inside of screening machine or from screen box 10 in connecting rod 5 regions of supporting by rubber bumper 14, for each connecting rod 5 arranges a connecting rod cladding system 11, referring to Fig. 1.Described connecting rod cladding system covers connecting rod 5 hermetically along the whole longitudinal length of connecting rod.
In addition, Fig. 7 surveys views and illustrates the details of two embodiment flexible programs with two axles, in described flexible program at corresponding screen box sidewall 7, at material reflow mouth 48 of deepest point region division of corresponding connecting rod cladding system 11.Preferably, connecting rod cladding system 11 tilts in operating position.Accumulate in region around of deepest point that splash particle and dust in corresponding connecting rod cladding system 11 be transported to connecting rod cladding system 11 by the vibration of screening machine and can again be back in screening machine inside or screen box 10 by the material reflow mouth 48 of screen box sidewall 7 there.
In addition, connecting rod cladding system 11 in the direction vertical with the longitudinal length of corresponding connecting rod 5, have at least local become the cross section of U-shaped.This shape of cross section can make connecting rod cladding system 11 be connected hermetically with screen box sidewall 7.In order to improve sealing, the seal lip (end shows here) of being made up of rubber can be set, connecting rod cladding system 11 is connected with screen box sidewall 7 by described seal lip.
As shown in Figure 3, the size of the U-shaped cross-section of connecting rod cladding system 11 is following definite, makes to be not only whole connecting rod 5, and is also surrounded hermetically for the rubber bumper 14 that makes connecting rod 5 be bearing on screen box 10 by means of it.Can realize in this way the rubber bumper 14 that surrounds hermetically connecting rod 5 and attach troops to a unit from 5 faces.Wherein, as shown in the figure, connecting rod cladding system 11 can be made up of multiple parts.But, can certainly consider in principle to adopt the structure (not shown) of one.
To levy connecting rod cladding system 11 and surround connecting rod 5 about Ye front and back, operating position (that is to say along connecting rod 5 longitudinally see the front and back at connecting rod 5) in order to protect, preferably, the cross section of connecting rod cladding system 11 in vibrating frame plane 16 is designed to the (not shown) of U-shaped.
In order to monitor the working method of vibrational system, the especially skew of connecting rod 5, arranges an observation window 27.Described observation window is made up of lucite typically.
In order to stop the particle that splashes to enter the region of supporting by means of rubber bumper 14 of connecting rod 5 from lower section 30, be also provided with sealing plate 20.Preferably, described sealing plate is arranged on the retaining element 8 of an inner side 15 that is positioned at corresponding screen box sidewall 7.That is to say, screen box sidewall 7 is between sealing plate 20 and connecting rod 5.Each screen box sidewall 7 has a through hole 21, to realize being connected between vibrating frame crossbeam 2 and corresponding connecting rod 5.That is to say, vibrating frame crossbeam 2 is connected with corresponding connecting rod 5 through through hole 21.Each sealing plate 20 surrounds a through hole 21.
In the embodiment shown in Fig. 3, sealing plate 20 is arranged on retaining element 8 and with respect to the little spacing in one, 15 interval, inner side of screen box sidewall 7, wherein, each sealing plate 20 is fixed on the retaining element 8 of attaching troops to a unit.Outwards form mazy sealing by corresponding sealing plate 20, (lichte) hole of the remaining inner clear span of corresponding through hole 21 is minimized, referring to Fig. 5.Therefore the particle that splashes is minimized through the danger of through hole 21.
Fig. 5 illustrates from the outside towards the detail drawing of the direction of observation of connecting rod 5.Correspondingly, retaining element 8 and sealing plate 20 comprise that through hole 21 dots.Can clearly be seen that, vibrating frame crossbeam 2 and retaining element 8 are just arranged in through hole 21 partly in the figure.
In order to stop screening materials carrying outwards to spill from upper segment 29, be provided with flexible cover plate 19, described cover plate is sealed shut screen box 10 above compass screen surface 6 in operating position.It is designed to flexible and for example by canvas or PVC formation of fabrics.Cover plate 19 is connected in normal orientation 28 closed upper portion sections 29 and with screen box sidewall 7 and an intermediate support 19, and in other words, cover plate 19 together vibrates with screen box 10.
In the profile shown in Fig. 4 (referring to the tangent line B-B of Fig. 2), can find out, cover plate 19 by tension element 43, for example by flexible rope by being fixed on fixation hooks 42 tensionings on screen box sidewall 7.Intermediate support 18 is to fix in known manner, for example realize by clamping plate (not shown).
Intermediate support 18 is bearing on cover plate beam 50.Intermediate support 18 longitudinally 17 extend and be preferably arranged on central authorities about compass screen surface 6.
In order to suppress best to form dust, cover plate 19 has the hole 36 in the middle of being preferably placed at.The suction tube joint 35 being connected with cover plate 19 is in known manner connected hermetically with this hole.Can cosily be connected with blast pipe 39 by described suction tube joint 35.In order to compensate motion or the vibration of screen box 10 or cover plate 19, blast pipe 39 is not to be directly connected with suction tube joint 35 but to connect by flexible connector 38.
In order to carry screening materials carrying and to avoid screening materials carrying course of conveying to spill and dust effusion from outside to compass screen surface, be provided with feed sealing frame 22.Described feed sealing frame is arranged on the downstream of screen box 10 in normal orientation 28.Feed sealing frame 22 has a material inlet 33, and screening materials carrying is guided through described material inlet.For this reason, feed sealing frame 22 is seen along normal orientation between the top 23 and end 24 that is at least partially disposed on compass screen surface 6, is preferably positioned at the inside of material inlet 33 at normal orientation 28 its tops.Feed sealing frame 22 is sealed shut by first end face 25 of screen box sidewall 7, cover plate 19 and screen box 10.Feed sealing frame 22 is constructed in this wise, makes the feed pipe 45 of a guiding screening materials carrying can connect hermetically in known manner feed sealing frame 22, sees Fig. 2.
Until the screening materials carrying that mesh by screen cloth does not arrive lower section 30 from upper segment 29 before arriving at the end 24 of compass screen surface 6 must be discharged from from upper segment 29.Spill and form dust in order to suppress these screening materials carryings at this, a discharge sealing frame 26 that comprises discharge gate 34 is set.Described discharge sealing frame is seen the downstream that is arranged on screen box 10 along normal orientation.Screening materials carrying can be discharged to outside or be entered a drainage conduit 46 by discharge gate 34.Wherein, discharge sealing frame 26 is constructed in this wise at this, and drainage conduit 46 can be connected by flexibly connecting with discharge sealing frame 26 in a manner known way hermetically, sees Fig. 2.Discharge sealing frame 26 is sealed shut by second end face 31 of screen box sidewall 7 and screen box 10.
The screening materials carrying that arrives lower section 30 from upper segment 29 through the mesh 44 of screen cloth is known as sieve particle and must discharges from lower section 30.Spill and form dust in order to suppress to sieve lower particle, a lower section sealing frame 40 that comprises the lower particle discharge gate 41 of sieve is set.Described lower section sealing frame along normal orientation 28 see be arranged on screen box 10 before.The lower particle of sieve can be discharged to outside or enter a lower section drainage conduit 47 by sieving lower particle discharge gate 41.Wherein, lower section sealing frame 40 is constructed in this wise, and lower section drainage conduit 47 can be connected by flexibly connecting with lower section sealing frame 40 in known manner hermetically, sees Fig. 2.Lower section sealing frame 40 is sealed shut by screen box 10.
Reference numerals list
1. screen box crossbeam
2. vibrating frame crossbeam
3. screen cloth
4. screen cloth fringe region
5. connecting rod
6. compass screen surface
7. screen box sidewall
8. retaining element
9. uneven drive unit
10. screen box
11. connecting rod cladding systems
12. bases
13. springs
14. rubber bumpers
The inner side of 15. screen box sidewalls
16. vibrating frame planes
The longitudinal direction of 17. screen boxs
18. intermediate supports
19. cover plates
20. sealing plates
21. through holes
22. feed sealing frames
The top of 23. compass screen surfaces
The end of 24. compass screen surfaces
The first end face of 25. screen boxs
26. discharge sealing frames
27. observation windows
28. normal orientation
29. upper segment
30. lower section
The second end face of 31. screen boxs
32. throughput directions
33. material inlets
34. discharge gates
35. suction tube joints
The hole of 36. cover plates
37. extra compass screen surfaces
38. Flexible Connectors
39. blast pipes
40. lower section sealing frames
The lower particle discharge gate of 41. sieves
42. fixation hooks
43. tension elements
44. screen cloth meshes
45. feed pipes
46. drainage conduit
47. lower section drainage conduit
48. material reflow mouths
49. extra screen clothes
50. cover plate beams
Claims (20)
1. screening machine, comprise screen box (10), can make described screen box vibration and described screen box there is each screen box sidewall (7) by drive unit (9), described screen box in the operating position of screening machine flexibly, preferably be supported on fixing base (12) by spring (13), in addition described screening machine also comprises the vibrating frame being flexibly coupled with screen box (10), described vibrating frame comprises the each connecting rod (5) flexibly connecting with each screen box sidewall (7) and the vibrating frame crossbeam (2) that each connecting rod is connected, and described screening machine comprises the compass screen surface (6) being formed by screen cloth (3), wherein, screen cloth (3) is by being alternately fixed on screen box (10), the screen box crossbeam (1) that preferably makes each screen box sidewall (7) connect is upper and at vibrating frame, preferably on vibrating frame crossbeam (2), at least segmentation is alternately pressed thick or is stretched, wherein the fringe region (4) extending transverse to vibrating frame crossbeam (2) of screen cloth (3) is upwards drawn, it is characterized in that, for at least one connecting rod (5) arranges connecting rod cladding system (11), described connecting rod cladding system (11) has the cross section of U-shaped in the direction of the longitudinal length perpendicular to corresponding connecting rod (5), and described connecting rod cladding system (11) is connected hermetically with screen box sidewall (7), and described connecting rod cladding system outwards surrounds corresponding connecting rod (5) hermetically about operating position.
2. screening machine according to claim 1, it is characterized in that, it is upper that connecting rod (5) is flexibly connected to each screen box sidewall (7) by rubber bumper (14), and connecting rod cladding system (11) also surrounds and attaches troops to a unit in the rubber bumper (14) of respective link (5) hermetically.
3. screening machine according to claim 1, is characterized in that, connecting rod cladding system (11) has at least one observation window (27).
4. according to the screening machine described in any one in claim 1～3, it is characterized in that, inner side (15) in screen box sidewall (7) arranges at least one sealing plate (20), and described sealing plate surrounds the through hole (21) of screen box sidewall (7), wherein, see along the direction parallel with the longitudinal length of vibrating frame crossbeam (2), a vibrating frame crossbeam (2) is correspondingly set in through hole (21).
5. screening machine according to claim 4, is characterized in that, each sealing plate (20) form for each screen box sidewall (7) corresponding through hole (21) labyrinth form sealing device and be connected with vibrating frame.
6. according to the screening machine described in any one in claim 1～3, it is characterized in that, minimum point region for operating position at corresponding connecting rod cladding system (11), in corresponding screen box sidewall (7), material reflow mouth (48) is set, possible particle and the dust of splashing can flow back in screen box (10) by described material reflow mouth.
7. according to the screening machine described in any one in claim 1～3, it is characterized in that, be provided with flexible cover plate (19), described cover plate is sealed shut screen box (10) in operating position in the top of compass screen surface (6).
8. screening machine according to claim 7, it is characterized in that, the cover plate (19) of described flexibility is connected with screen box sidewall (7) and intermediate support (18), wherein, longitudinal (17) that intermediate support (18) is parallel to screen box (10) are extended and are arranged between screen box sidewall (7), are preferably arranged on central authorities about compass screen surface (6), and intermediate support is preferably supported at least one cover plate beam (50).
9. screening machine according to claim 7, it is characterized in that, be provided with at least one suction tube joint (35), described suction tube joint is arranged on the top, a hole (36) of flexible cover plate (19) and is connected with flexible cover plate (19) hermetically on operating position, wherein, on described at least one suction tube joint (35), can connect at least one blast pipe (39).
10. screening machine according to claim 9, is characterized in that, is provided with at least one flexible connector (38), for described at least one blast pipe (39) is connected with described at least one suction tube joint (35).
11. screening machines according to claim 7, it is characterized in that, be provided with the feed sealing frame (22) of surrounding material inlet (33), wherein, can carry screening materials carrying to from the outside in operating position compass screen surface (6) by described material inlet (22), feed sealing frame (22) is arranged on the top of compass screen surface (6) on operating position, and feed sealing frame (6) is connected hermetically with first end face (25) of screen box (10), and screen box sidewall (7) is connected hermetically with flexible cover plate (19).
12. screening machines according to claim 11, it is characterized in that, along seeing on throughput direction, compass screen surface (6) has a top (23) and one and is positioned at this top end (24) below, see along normal orientation (28), material inlet (33) is at least partially disposed between the top (23) and end (24) of compass screen surface (6), wherein, the vibrating frame plane (16) at this normal orientation (28) and vibrating frame crossbeam (2) place is vertical and point to screen cloth (3) from vibrating frame crossbeam (2), that is to say, in operating position from bottom to top.
13. according to the screening machine described in any one in claim 1～3, it is characterized in that, be provided with the discharge sealing frame (26) of surrounding discharge gate (34), wherein, screening materials carrying outwards can be carried from the end (24) of compass screen surface (6) in operating position by described discharge gate (34), discharge sealing frame (26) is at least partially disposed on the below of compass screen surface (6) in operating position, and discharge sealing frame (26) is connected hermetically with second end face (31) and the screen box sidewall (7) of screen box (10), wherein, see along throughput direction (32), the second end face (31) is positioned at the downstream of the first end face (25).
14. screening machines according to claim 13, is characterized in that, see along throughput direction (32), and discharge gate (34) is at least partially disposed on the downstream of the end (24) of compass screen surface (6).
15. according to the screening machine described in any one in claim 1～3, it is characterized in that, be provided with the lower section sealing frame (40) of surrounding the lower particle discharge gate (41) of sieve, wherein, particle under sieve can be carried to the outside in operating position by particle discharge gate (41) under described sieve, lower section sealing frame (40) is arranged on the below of screen box (10) in operating position, and lower section sealing frame (40) is connected hermetically with screen box (10).
16. according to the screening machine described in any one in claim 1～3, it is characterized in that, connecting rod (5) extends with respect to fixing base (12) with an angle or with an angle reducing along throughput direction (32) along throughput direction (32) obliquely in operating position.
17. according to the screening machine described in any one in claim 1～3, it is characterized in that, on vibrating frame, be preferably provided with retaining element (8) on connecting rod (5), described retaining element is for being fixed on vibrating frame vibrating frame crossbeam (2).
18. according to the screening machine described in any one in claim 1～3, it is characterized in that, be provided with the extra compass screen surface (37) that at least one forms by extra screen cloth (49), wherein, extra screen cloth (49) is to be also alternately fixed on screen box (10), preferred screen box crossbeam (1) and on vibrating frame, preferred vibrating frame crossbeam (2).
19. screening machines according to claim 18, is characterized in that, the multiple vibrating frame crossbeams (2) that are fixed with the screen cloth (3,49) of different compass screen surfaces (6,37) are fixed therein on a retaining element (8).
20. screening machines according to claim 18, is characterized in that, each compass screen surface (6,37) extends parallel with respect to each other .ly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310225935.5A CN104056774B (en) | 2013-03-18 | 2013-03-18 | Screening machine with connecting rod cladding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310225935.5A CN104056774B (en) | 2013-03-18 | 2013-03-18 | Screening machine with connecting rod cladding system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104056774A true CN104056774A (en) | 2014-09-24 |
| CN104056774B CN104056774B (en) | 2017-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310225935.5A Expired - Fee Related CN104056774B (en) | 2013-03-18 | 2013-03-18 | Screening machine with connecting rod cladding system |
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| CN (1) | CN104056774B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112058464A (en) * | 2019-06-11 | 2020-12-11 | 克磊镘有限公司 | Feed unit for a treatment plant, in particular a crushing or screening plant |
| CN112512705A (en) * | 2018-06-14 | 2021-03-16 | 美卓矿物公司 | Screening device |
| CN112604939A (en) * | 2019-10-04 | 2021-04-06 | 克磊镘有限公司 | Rock processing apparatus |
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| US5062949A (en) * | 1989-07-21 | 1991-11-05 | Binder & Co. Aktiengesellschaft | Deformable sieve mat screening apparatus having raised sieve mat rims |
| CN1767908A (en) * | 2003-03-27 | 2006-05-03 | 德里克公司 | Vibratory screening machine for earth drilling installation |
| CN201002075Y (en) * | 2007-02-13 | 2008-01-09 | 河南太行全利(集团)有限公司 | Net vibrating sieve device |
| US7654394B2 (en) * | 2004-06-14 | 2010-02-02 | Action Equipment Company, Inc. | Flexible mat screening or conveying apparatus |
| CN202079026U (en) * | 2011-05-19 | 2011-12-21 | 余冠霖 | Double-layer screening equipment |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5062949A (en) * | 1989-07-21 | 1991-11-05 | Binder & Co. Aktiengesellschaft | Deformable sieve mat screening apparatus having raised sieve mat rims |
| CN1767908A (en) * | 2003-03-27 | 2006-05-03 | 德里克公司 | Vibratory screening machine for earth drilling installation |
| US7654394B2 (en) * | 2004-06-14 | 2010-02-02 | Action Equipment Company, Inc. | Flexible mat screening or conveying apparatus |
| CN201002075Y (en) * | 2007-02-13 | 2008-01-09 | 河南太行全利(集团)有限公司 | Net vibrating sieve device |
| CN202079026U (en) * | 2011-05-19 | 2011-12-21 | 余冠霖 | Double-layer screening equipment |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112512705A (en) * | 2018-06-14 | 2021-03-16 | 美卓矿物公司 | Screening device |
| CN112512705B (en) * | 2018-06-14 | 2023-05-16 | 美卓矿物公司 | Screening apparatus |
| CN112058464A (en) * | 2019-06-11 | 2020-12-11 | 克磊镘有限公司 | Feed unit for a treatment plant, in particular a crushing or screening plant |
| CN112058464B (en) * | 2019-06-11 | 2023-04-07 | 克磊镘有限公司 | Feed unit for a treatment plant, in particular a crushing or screening plant |
| CN112604939A (en) * | 2019-10-04 | 2021-04-06 | 克磊镘有限公司 | Rock processing apparatus |
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|---|---|
| CN104056774B (en) | 2017-05-31 |
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