CN103658018B - A kind of quick draping and the method for available protecting screen cloth and vibratory sieve - Google Patents
A kind of quick draping and the method for available protecting screen cloth and vibratory sieve Download PDFInfo
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- CN103658018B CN103658018B CN201310678316.1A CN201310678316A CN103658018B CN 103658018 B CN103658018 B CN 103658018B CN 201310678316 A CN201310678316 A CN 201310678316A CN 103658018 B CN103658018 B CN 103658018B
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Abstract
Quick draping and the method for available protecting screen cloth and a vibratory sieve, belong to material screen selecting technology field.It comprises screen frame, rack, screen cloth and the net hoop bar that stretches tight, rack is positioned at screen frame, and screen frame offers slag-drip opening, feature be stretch tight net hoop bar be placed on screen frame inwall, offer through hole in the corresponding position of stretching tight net hoop bar of screen frame, the end of the net hoop bar that stretches tight passes in this through hole; First lie on rack by screen cloth when changing screen cloth, be then placed on screen cloth by screen frame and fall, screen frame makes screen cloth apply ointment or plaster on rack outer wall by under screen cloth after folding; Stretch tight net hoop bar end connect tightening device, by operation tightening device will stretch tight net bind round bar tighten up.Screen frame of the present invention and the net hoop bar that stretches tight are integral structure, when changing screen cloth, only screen cloth entirely need be placed on rack upper end, then screen frame being placed on the screen cloth last time falls, can will apply ointment or plaster on rack outer wall after screen cloth bending by vertically falling of screen frame, do not need manually screen cloth to be bent, to the technical ability qualification not requirement of operative employee.
Description
Technical field
The invention belongs to material screen selecting technology field, be specifically related to a kind of vibratory sieve.
Background technology
Enterprise extensively adopts vibratory sieve to select a point material.Conventional vibratory sieve comprises screen frame, rack, screen cloth, stretch tight the structure members such as net hoop bar, the spring be connected with screen frame, vibrating motor.Carry out vibration screen by Vibration on Start-up motor, make small particles material pass screen cloth and leak down, large granular materials is just blocked on screen cloth.In vibratory sieve, screen cloth used generally adopts the braiding such as wire, nylon yarn to form, and screen cloth, as consumable accessory, namely needs after using a period of time to change.The key factor affecting vibratory sieve result of use is that can screen cloth be tightened---screen cloth stretches tight its vibrosieve effect tighter is better, and service life is longer.When enterprise uses, the replacing of screen cloth is very frequent, sometimes needs couple of days to change once.Screen cloth process is changed as follows in prior art:
(1) first the screen frame above machine is pulled down, rack is taken out and places on the ground;
(2) unclamp the net hoop bar that stretches tight, the screen cloth of breakage is torn out;
(3) new square mesh is applied ointment or plaster on rack, by bending after screen cloth leveling, apply ointment or plaster on rack outer wall after screen cloth is bent;
(4) first the screen cloth of below is tightened rear fastening bolt with the net hoop bar that stretches tight fastening;
(5) then the screen cloth on top tightened rear fastening bolt with the net hoop bar that stretches tight fastening, this process must ensure that the upper surface of screen cloth is smooth and collapse tightly, needs repeatedly to regulate to tighten screen cloth.
In above-mentioned draping process, adopt artificial bending screen cloth and leveling.But sieve gauze wire is made and had certain elasticity, needs two people's good teamworks could bend during artificial bending, otherwise in bending process, screen cloth is easy to tilting, and this there are certain requirements the technical ability of operative employee.Moreover in prior art, the cavity between screen frame and rack is very narrow, certainly will require that fastening bolt is very short, and the very short rear operative employee's terminal operation of giving of fastening bolt is made troubles.The cavity between screen frame and rack will be made to broaden if lengthen fastening bolt, and once cavity between screen frame and rack broadens and brings difficulty or cost increase by sealing.Consider based on this, the cavity between existing vibratory sieve screen frame and rack is all very narrow, brings operational inconvenience thus.Unbusinesslike operative employee is on foot in dealing with for the work of sense of responsibility difference, and so just effectively can not tighten screen cloth, screen cloth tightly will not affect the service life that production also affects screen cloth.
If screen cloth is lax after using a period of time, then need again screen frame to be taken off again to tighten screen cloth.But waste time and energy owing to changing screen cloth, so enterprise is in use, if there is the situation that screen cloth is lax, can not to jump tight screen cloth by secondary again, change after screen cloth can only be waited to break down.
In existing draping process, experienced operative employee two people is needed to coordinate and more than 40 minutes consuming time.Once need to change screen cloth in plant produced, just need to shut down.The time changing screen cloth is longer larger on producing the impact brought.
In addition, can material also have considerable influence to production by high efficiency screening.But current vibratory sieve operationally, move in screening limit, material limit, and most of material is not also able to do in time fully to sieve just to have discharged from slag-drip opening.These materials not exclusively sieved carry large quantity of moisture and fines, cause great waste.And these materials also on screen cloth in, owing to carrying large quantity of moisture and fines, thus there is larger quality, certain burden caused to screen cloth.And screen cloth used generally adopts wire, nylon yarn etc. to weave to form in most of vibratory sieve, the placement of screen cloth adopts horizontal or mostly with certain angle of inclination.After material put into by screen cloth, be affected by gravity and screen cloth is dropped.The screen cloth impact brought that drops is apparent, and due to screen cloth tenesmus, the every root filament on screen cloth is constantly elongated, filament just can be pulled off and cause screen cloth damage and cannot screen in the course of time.In addition, also can reduce effective conduction of vibration force in the middle of screen cloth after tenesmus, cause the reduction of screening effect.
The problem solving screen cloth tenesmus is the problem that relevant technical staff in the field constantly explores always.In order to solve the problem, people take many measures.One of measure is: below screen cloth, increase one deck screen cloth again, and lower one deck screen cloth plays support effect between the screen cloth of upper strata, prevents upper sieve pendant off the net with this.Although increase the problem that screen cloth solves single-deck screen pendant off the net, also bring new problem: during vibrating motor work, be inevitably detained a part of material between two-layer screen cloth, the screening that have impact on material is fallen; And because the amplitude of two-layer screen cloth is different, can constantly collide during vibration between upper and lower two-layer screen cloth, produce vibration friction, the material friction in addition and between two-layer screen cloth, produces very galling to screen cloth.Facts have proved this scheme and infeasible.
Owing to there are the problems referred to above, in the course of time, very easily there is the problem such as fracture of wire, damage in screen cloth, will have a strong impact on the normal activity of enterprise.
In prior art, not yet occur that a kind of effective way makes material fully sieve in the process of moving to slag-drip opening, can quick-replaceable be carried out to the screen cloth of lax damage and tighten can also preventing screen cloth from dropping again simultaneously.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiencies in the prior art; there is provided a kind of quick draping and the method for available protecting screen cloth and vibratory sieve, fast can change screen cloth and effectively tighten and material can be made fully to sieve and discharge moisture less dry slag and can also prevent screen cloth from dropping.
The present invention solves the scheme that its technical problem adopts: a kind of method of inventing quick draping and available protecting screen cloth, comprise screen frame, rack, screen cloth and the net hoop bar that stretches tight, rack is positioned at screen frame, screen frame offers slag-drip opening, it is characterized in that screen frame inwall fixes shelves, the upper fixed magnets of screen frame inwall above shelves one week, the net hoop bar that stretches tight to be placed in shelves and by magnet absorption, rack outer wall to be offered and tightens groove; Offer through hole in the corresponding position of stretching tight net hoop bar of screen frame, the end of the net hoop bar that stretches tight passes in this through hole; First lie on rack by screen cloth when changing screen cloth, be then placed on screen cloth by screen frame and fall, screen frame makes screen cloth apply ointment or plaster on rack outer wall by under screen cloth after folding; The stretch tight end of net hoop bar connects tightening device, is tightened up by the operation tightening device net hoop bar that will stretch tight, and stretch tight net hoop bar disengaging magnet tightened by screen cloth and is tightening in groove; Fixed support body on rack, screen cloth is connected by magnetic part with supporter upper end; Screen frame inwall is arranged at least one baffle plate, can come back to screen cloth central authorities under the stop of baffle plate when slurry moves along screen frame inwall and sieve, the dry slag after screening is discharged from slag-drip opening.
Another kind of quick draping and the method for available protecting screen cloth, comprise screen frame, rack, screen cloth and the net hoop bar that stretches tight, rack is positioned at screen frame, screen frame offers slag-drip opening, it is characterized in that screen frame inwall fixes shelves, the upper fixed magnets of screen frame inwall above shelves one week, the net hoop bar that stretches tight to be placed in shelves and by magnet absorption, rack outer wall to be offered and tightens groove; Handle hole is offered in the corresponding position of stretching tight net hoop bar of screen frame; First lie on rack by screen cloth when changing screen cloth, be then placed on screen cloth by screen frame and fall, screen frame makes screen cloth apply ointment or plaster on rack outer wall by under screen cloth after folding; The stretch tight end of net hoop bar connects tightening device, is put in by instrument in handle hole to operate the tightening device net hoop bar that will stretch tight and tighten up, and stretch tight net hoop bar disengaging magnet tightened by screen cloth and is tightening in groove; Fixed support body on rack, screen cloth is connected by magnetic part with supporter upper end; Screen frame inwall is arranged at least one baffle plate, can come back to screen cloth central authorities under the stop of baffle plate when slurry moves along screen frame inwall and sieve, the dry slag after screening is discharged from slag-drip opening.
The device adopted for solving the technology of the present invention problem is: the vibratory sieve inventing a kind of quick draping and available protecting screen cloth, comprise screen frame, rack, screen cloth and the net hoop bar that stretches tight, screen frame offers slag-drip opening, it is characterized in that screen frame inwall fixes shelves, screen frame inwall above shelves one week upper fixed magnets, the net hoop bar that stretches tight to be placed in shelves and by magnet absorption, rack outer wall to be offered and tightens groove; Through hole is offered in the corresponding position of stretching tight net hoop bar end of screen frame, and the end of the net hoop bar that stretches tight passes in this through hole, and the end of netting hoop bar of stretching tight is connected on tightening device; The net that stretches tight binds round disengaging magnet when bar tightens up and tightened by screen cloth is tightening in groove; Vertical fixed support body on rack, iron plate is placed at screen cloth upper face center place, supporter top secured core, and iron core is wound around solenoid outward, and solenoid energising produces magnetic force and attracts iron plate to be clamped by screen cloth; Screen frame inwall is arranged at least one baffle plate, one end of baffle plate is fixed on the screen frame inwall of slag-drip opening side, the contact of baffle plate bottom surface or close screen cloth upper surface, and the other end of baffle plate is towards slag-drip opening; Fix non-return baffle plate at the remote edge place of slag-drip opening, the bottom surface contact of non-return baffle plate or close screen cloth upper surface, the other end of non-return baffle plate is towards slag-drip opening; The length that baffle plate occupies on screen cloth face is 1/10 to 1/3 of screen cloth radius.
The two ends that the net that stretches tight binds round bar intersect, in the afterbody machining screw of net hoop bar that stretches tight, clamp nut, positioning sleeve and location snap ring are set in tightening device, one end of positioning sleeve is coaming plate, other end connection location snap ring with holes, positioning sleeve is fixed on screen frame, clamp nut is sleeved on and stretches tight on the thread segment of net hoop bar, and clamp nut adopts staircase structural model, the large end of clamp nut between positioning sleeve coaming plate and location snap ring, small end passes location snap ring.
The another kind of device adopted for solving the technology of the present invention problem is: the vibratory sieve inventing a kind of quick draping and available protecting screen cloth, comprise screen frame, rack, screen cloth and the net hoop bar that stretches tight, screen frame offers slag-drip opening, it is characterized in that screen frame inwall fixes shelves, screen frame inwall above shelves one week upper fixed magnets, the net hoop bar that stretches tight to be placed in shelves and by magnet absorption, rack outer wall to be offered and tightens groove; Stretch tight net hoop bar end relatively and be connected on tightening device, offer handle hole in the stretch tight position of net hoop bar end of screen frame correspondence; The net that stretches tight binds round disengaging magnet when bar tightens up and tightened by screen cloth is tightening in groove; Vertical fixed support body on rack, iron plate is placed at screen cloth upper face center place, supporter top secured core, and iron core is wound around solenoid outward, and solenoid energising produces magnetic force and attracts iron plate to be clamped by screen cloth; Screen frame inwall is arranged at least one baffle plate, one end of baffle plate is fixed on the screen frame inwall of slag-drip opening side, the contact of baffle plate bottom surface or close screen cloth upper surface, and the other end of baffle plate is towards slag-drip opening; Fix non-return baffle plate at the remote edge place of slag-drip opening, the bottom surface contact of non-return baffle plate or close screen cloth upper surface, the other end of non-return baffle plate is towards slag-drip opening; The length that baffle plate occupies on screen cloth face is 1/10 to 1/3 of screen cloth radius.
The net hoop bar that stretches tight is two semicircles of composition annular, wherein end and another root of the net hoop bar that stretches tight stretch tight, and to net the corresponding end of binding round bar relative close, arrange connector, fastening bolt in tightening device, connector is fixed on the end of the net hoop bar that stretches tight, and penetrates fastening bolt in two connectors.
Compared with prior art, the invention has the beneficial effects as follows:
1. because screen frame and the net hoop bar that stretches tight are integral structure, when changing screen cloth, screen cloth is only needed entirely to be placed on rack upper end, then screen frame being placed on the screen cloth last time falls, can will apply ointment or plaster on rack outer wall after screen cloth bending by vertically falling of screen frame, do not need manually screen cloth to be bent, to the technical ability qualification not requirement of operative employee.
2. because the two ends of the net hoop bar that stretches tight connect tightening device, and tightening device can be positioned at outside, and will stretch tight the tension of net hoop bar in space outerpace can be effectively fastening by screen cloth, easy to operate, and do not affect by operative employee's technical ability qualification ground; Enormously simplify the replacing flow process of screen cloth, save the draping time.
3. due on screen frame outer wall, offered handle hole or tighten from outside stretch tight net hoop bar, if so produce in screen cloth relax, directly can tighten screen cloth by tightening device.Compared to the prior art, without the need to screen frame is taken off, also without the need to shutting down.
4. owing to being provided with sealing gasket on screen frame top, sealing gasket is tightly pressed on screen cloth, can not leak material.
5. due to the existence of screen frame overhead gage, intercepted by it when thick slag flows through baffle plate, the flow direction is changed, thick slag is made to come back on screen cloth, tiny material in thick slag and moisture do second time screening, discharge moisture and fines thus obtain the lightweight and slag charge of drying, and raw material obtains and utilizes more fully and reduce the burden of screen cloth.
6. non-return baffle plate effectively prevents the dry slag of fully screening from screen cloth, crossing stop for a long time, guides it to discharge smoothly from slag-drip opening.
7. owing to being connected to supporter under screen cloth, screen cloth, by the support of supporter, no longer drops in the middle part of screen cloth, avoids the infringement of screen cloth and improves the effect of vibrosieve.
8. because supporter and screen cloth are connected together, during vibrating motor work, supporter and screen cloth maintain identical amplitude and frequency, supporter is vibration source, increase vibration force further, and avoid supporter to screen cloth because of non synchronous vibration cause wearing and tearing, extend the service life of screen cloth, improve screening efficiency.
9. the present invention is without the need to destroying existing vibrating screen mesh, does not also need to customize special screens, and simple modifications is carried out on existing vibratory sieve basis, and improvement cost is low, and applicability is strong.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is A place close-up schematic view in Fig. 1;
Fig. 3 is the schematic diagram of the present invention when bending screen cloth;
Fig. 4 is that the present invention first is stretched tight the structural representation of net embodiment;
Fig. 5 is B place close-up schematic view in Fig. 4;
Fig. 6 is that the present invention second is stretched tight the structural representation of net embodiment;
Fig. 7 is the structural representation of third embodiment of the invention;
Fig. 8 is stereoscopic figure of the present invention;
Fig. 9 is structure top view of the present invention.
In figure: 1 screen frame; 1.1 sealing ring; 1.2 slag-drip opening; 1.3 handle hole; 1.4 shelves; 1.5 positioning sleeve; 1.6 location snap rings; 1.7 through hole; 2 screen clothes; 3 racks; 3.1 tighten groove; 4 vibrating motors; 5 bases; 6 vibrating springs; 7 vibrating bodies; 8V type bundling ring; 9 stretch tight nets hoop bar; 9.1 thread segment; 10 sealing gaskets; 11 clamp nuts; 12 snap fits; 13 tight locking buttons; 14 fastening bolts; 15 nuts; 16 connectors; 17 magnets; 18 non-return baffle plates; 19 baffle plates; 20 supporters; 21 iron plates; 22 solenoids; 23 iron cores.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described further:
Embodiment one
As shown in Fig. 1,3,8,9, vibratory sieve of the present invention forms primarily of screen frame 1, screen cloth 2, rack 3, vibrating motor 4, base 5, vibrating spring 6 and vibrating body 7.Screen frame 1 is also provided with slag-drip opening 1.2.Screen frame 1 inwall that one end of baffle plate 19 is fixed on slag-drip opening 1.2 both sides is positioned at the top of screen cloth 2, the other end towards slag-drip opening 1.2.Baffle plate 19 bottom sides is along contact or near screen cloth 2 upper surface.In order to improve screening effect better, the length that baffle plate 19 occupies on screen cloth 2 wire side is by following setting: minimumly account for 1/10 of screen cloth 2 radius, accounts for 1/3 at most, accounts for about 1/4 for best.The quantity of baffle plate 19 can be one or more.Rack 3 is positioned at the cavity that screen frame 1 surrounds, and forms toroidal cavity between rack 3 and screen frame 1.Screen cloth 2 stretched tight net hoop bar 9 tighten on rack 3.In rack 3 center upright fixed support body 20, supporter 20 upper end secured core 23, is wound with solenoid 22 outside iron core 23.Iron plate 21 is placed in the position of corresponding iron core 23 on the screen 2.Iron core 21 and the solenoid 22 be wrapped in outside it form electromagnet.Vibration on Start-up motor 4, solenoid 22 is energized and produces magnetic force, attracts the iron plate 21 be placed on screen cloth 2 instantaneously, then plays the effect of clamping screen cloth 2.Also can connect another block iron plate in iron core 23 upper end, thus the contact area increasing screen cloth upper and lower surface and magnetic part strengthens stability.Meanwhile, vibrating body 7 vibrates, and the bulky grain slag that screen cloth 2 upper surface retains is discharged from slag-drip opening 1.2, and fines leaks down from screen cloth 2.
In the present embodiment, screen frame 1, rack 3 and screen cloth 2 are made by non-magnetic material, and the net hoop bar 9 that stretches tight adopts iron wire.Rack 3 outer wall is offered and tightens groove 3.1, screen frame 1 inwall corresponds to the position that rack 3 tightens groove 3.1 one circle shelves 1.4 are set, be positioned on screen frame 1 inwall above shelves 1.4 and fix a circle magnet 17.Magnet 17 can adopt permanent magnet, also can adopt electromagnet.Under original state, the net hoop bar 9 that stretches tight is adsorbed fixing by the magnet 17 on screen frame 1 inwall, and when tightening up the net that stretches tight and binding round bar 9, the net hoop bar 9 that stretches tight departs from magnet 17 and enters into tightening in groove 3.1 on rack 3.When needs change screen cloth 2, the lax net that stretches tight binds round bar 9, the net hoop bar 9 that stretches tight is attracted by the magnetic force and is returned on the magnet 17 on screen frame 1.Screen frame 1 outer wall offers through hole 1.7, and the two ends of the net hoop bar 9 that stretches tight all pass in screen frame 1 through hole 1.7, and the two ends of the net hoop bar 9 that stretches tight intersect.As shown in the figure, in the equal machining screw section 9.1 of often end afterbody of net hoop bar 9 that stretches tight, form tightening device by clamp nut 11, positioning sleeve 1.5 and location snap ring 1.6.One end of positioning sleeve 1.5 is coaming plate, other end connection location snap ring 1.6 with holes, positioning sleeve 1.5 is fixed on screen frame 1, clamp nut 11 is sleeved on and stretches tight on the thread segment 9.1 of net hoop bar 9, clamp nut 11 adopts staircase structural model, the large end of clamp nut 11 between the coaming plate and location snap ring 1.6 of positioning sleeve 1.5, small end passes location snap ring 1.6.
It should be noted that, in the present embodiment, the groove 3.1 of tightening on the shelves 1.4 on screen frame 1 and rack 3 all has two-layer up and down, and shelves 1.4, the tighten groove 3.1 corresponding with it are in sustained height.Correspondingly be that the net hoop bar 9 that stretches tight also has two, each is tightened in groove 3.1 and places the net hoop bar 9 that stretches tight.The net hoop bar 9 that stretches tight of lower floor is tightened in groove 3.1 for being tightened by screen cloth 2 on rack 3, and net hoop bar 9 is stretched tight for being tightened by screen cloth 2 upper surface in upper strata.
Magnetic part also can select magnetic patch to replace electromagnet, and the iron plate on screen cloth also can change magnetic patch into increase magneticaction, makes fixing more firm, does not repeat herein.
Below set forth the present embodiment course of work:
Tear net open:
First unclamp V-type bundling ring 8, remove pressing between screen frame 1 and vibrating body 7, take off V-type bundling ring 8.Then clamp nut 11 is rotated by spanner, because the large end both sides of clamp nut 11 are retrained by positioning sleeve 1.5 and location snap ring 1.6 and can not move left and right, thus clamp nut 11 can only rotate and pull net hoop bar 9 receding that stretches tight, making to stretch tight, it is lax to net hoop bar 9, the net hoop bar 9 that stretches tight after lax is just repositioned in the shelves 1.4 on screen frame 1 under the suction of magnet 17, and adsorbed by magnet 17, be combined into an entirety with screen frame 1 again after the net hoop bar 9 that stretches tight departs from rack 3.After being taken off by screen frame 1, damaged screen cloth 2 takes out from rack 3.
Draping:
As shown in Figure 3, new screen cloth 2 is layered on rack 3, then screen frame 1 is placed on the screen 2, adjust the position of screen frame 1, make wall energy in it cover rack 3.Then vertically fallen by screen frame 1, the bottom of screen frame 1 press against screen cloth 2 times foldings, applies ointment or plaster after being bent on rack 3 outer wall.First screen cloth 2 bottom is tightened: rotate clamp nut 11 by spanner, stretch tight net hoop bar 9 left end is drawn to the right, right-hand end is to Zola, thus will stretch tight net hoop bar 9 tighten up, annular stretch tight net hoop bar 9 depart from magnet 17 and enter into tightening in groove 3.1 on rack 3 inwall from the shelves 1.4 of screen frame 1.Be rotated further clamp nut 11, the net hoop bar 9 that stretches tight tightens up further, is tightened on rack 3 outer wall by screen cloth 2.After tightly the complete net that stretches tight binds round one end of bar 9, the tighter other end, repeat no more.Tightened by screen cloth 2 after on rack 3, then tighten screen cloth 2 upper surface, the mode tightened, as front, repeats no more.
Drain slag:
Along with the vibration of screen frame 1, slurry constantly enters into size barrel through screen cloth 2.But owing to pouring into the speed of slurry, therefore result in a part of slurry to have little time just to be shaken on the screen frame 1 of screen cloth 2 edge through screen cloth 2, then along with the vibration of screen cloth 2 is constantly moved to slag-drip opening 1.2, but under the stop of baffle plate 19, this part slurry moves along screen frame 1 to slag-drip opening 1.2, baffle plate 19 blocks the walking passageway of defective slag charge, the wire side forcing these slag charges to come back to screen cloth 2 again carries out second time and third time screening, thus the fines in slag charge is separated fully with moisture.Slurry slag residual after again screening can move to again slag-drip opening 1.2 place gradually and discharge under effect of vibration.
Slag charge, when slag-drip opening 1.2, may have part slag charge can walk around slag-drip opening 1.2 and continue to move ahead.In order to address this problem, fix non-return baffle plate 18 at the remote edge place of slag-drip opening 1.2, the external part of non-return baffle plate 18 is towards slag-drip opening 1.2.When part slag charge walk around slag-drip opening 1.2 continue to move ahead time, blocked by non-return baffle plate 18 and return and walk to slag-drip opening 1.2 and fall.The remote edge place of slag-drip opening 1.2 refers to: from that slag-drip opening 1.2 edge that baffle plate 19 is farther, only arrange non-return baffle plate 18 in this edge, slag charge could be blocked and directly fall from slag-drip opening 1.2.If exceed this edge, also can deslagging, only slag charge can multirow route and without any technical meaning.
As equivalent, the one end also net that stretches tight can being bound round bar 9 directly be fixed on screen frame 1, the other end connects tightening device.Only need the one end of tightening up the net hoop bar 9 that stretches tight in such cases.
Vibratory sieve must be guaranteed to leak material in use, and also namely material can not drop in the cavity between screen frame 1 and rack 3.For this reason, along stationary annular sealing ring 1.1 on the inwall of screen frame 1 upper end, the bottom surface fixing seal pad 10 of sealing ring 1.1, sealing gasket 10 is pressed on screen cloth 2 upper surface.
After using a period of time, if screen cloth 2 upper surface is lax uneven, then only need the net hoop bar 9 that stretches tight tightening up upper strata more further.In the space outerpace of screen frame 1, rotate clamp nut 11, repeat no more.Shutdown is not needed to complete.
In the present embodiment, the mode of rotating clamp nut 11 is adopted to achieve tightening up with lax the net hoop bar 9 that stretches tight.
Embodiment two:
Compared with embodiment one, in the present embodiment, the end of the net hoop bar 9 that stretches tight is still intersect after passing screen frame 1.With enforcement one unlike: adopt vertical pulling to stretch tight in the present embodiment to net the mode of binding round bar 9 and tighten up.As shown in Figure 6, at the end winding support tight locking button 13 of net hoop bar 9 that stretches tight, screen frame 1 outer wall fixes snap fit 12.Pull with hand tight locking button 13 one end of the net hoop bar 9 that stretches tight is drawn forward, hang on snap fit 12 after tension, then pull the stay of tight locking button 13, can the net hoop bar 9 that stretch tight be tightened up fixing.
The present embodiment does not need instrument to tighten, and only need to pull, advantage is more quick.
Above-described embodiment one, two, the end of the net hoop bar 9 that stretches tight all passes the rear intersection of screen frame 1, in the space outerpace of screen frame 1, achieve tightening screen cloth 2.
Embodiment three
With embodiment one, two unlike, in the present embodiment, stretch tight net hoop bar 9 do not need to pass from screen frame 1.As shown in Figure 7, the net hoop bar 9 that stretches tight of same layer is two semicircles, and two stretch tight that bar 9 is corresponding arranges looping for net hoop, and wherein end and another root of the net hoop bar 9 that stretches tight stretch tight, and to net the corresponding end of binding round bar 9 relative close.In the connector 16 that the end winding support connector 16, two of the net hoop bar 9 that stretches tight is relative, penetrate fastening bolt 14, fastening bolt 14 overlaps loading nut 15.
Screen frame 1 correspondence stretch tight net hoop bar 9 end position offer handle hole 1.3, in handle hole 1.3, put in spanner turn nut 15, two stretch tight net hoop bars 9 relatively tighten up, screen cloth 2 can be tightened, repeat no more.The so-called screen frame 1 correspondence implication that the position of net hoop bar 9 end offers handle hole 1.3 that stretches tight refers to: position and the size of screen frame 1 being offered handle hole 1.3, should be able to meet the needs that the instrument of putting in removes to turn nut 15.
Same layer adopt two right benefits that stretch tight net hoop bar 9 circular phase to be fastening forces evenly, better effects if is tightened to screen cloth 2.
Certainly, also only can adopt the net hoop bar 9 that stretches tight within the same layer, the two ends of the net hoop bar 9 that stretches tight are relative.In the present invention, stretch tight net hoop bar 9 can adopt iron wire or other there is certain flexible inflexibility body.
In the present embodiment, the end non-crossing of the net hoop bar 9 that stretches tight, but in " to face formula " structure, the end of the net hoop bar 9 that stretches tight does not pass screen frame 1.Certainly, in practical application, the end of netting hoop bar 9 that also can make to stretch tight is placed in outside screen frame 1, more convenient to operate from space outerpace.
Comprehensive above-described embodiment can be found out, core of the present invention is placed on screen frame 1 inwall by the net hoop bar 9 that stretches tight, and makes itself and screen frame 1 constitute assembly, can directly be bent by screen cloth 2 by screen frame 1.Fastening stretch tight net hoop bar 9 time, the net hoop bar 9 that stretches tight can enter into tightening in groove 3.1 on rack 3 from screen frame 1 shelves 1.4, and need lax stretch tight net hoop bar 9 time, it be able to be repositioned in the shelves 1.4 of screen frame 1 again.
The above is only preferred embodiment of the present invention, and be not restriction the present invention being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solution of the present invention content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present invention, still belong to the protection domain of technical solution of the present invention.
Claims (6)
1. a quick draping and the method for available protecting screen cloth, comprise screen frame, rack, screen cloth and the net hoop bar that stretches tight, rack is positioned at screen frame, screen frame offers slag-drip opening, it is characterized in that screen frame inwall fixes shelves, the upper fixed magnets of screen frame inwall above shelves one week, the net hoop bar that stretches tight to be placed in shelves and by magnet absorption, rack outer wall to be offered and tightens groove; Offer through hole in the corresponding position of stretching tight net hoop bar of screen frame, the end of the net hoop bar that stretches tight passes in this through hole; First lie on rack by screen cloth when changing screen cloth, be then placed on screen cloth by screen frame and fall, screen frame makes screen cloth apply ointment or plaster on rack outer wall by under screen cloth after folding; The stretch tight end of net hoop bar connects tightening device, is tightened up by the operation tightening device net hoop bar that will stretch tight, and stretch tight net hoop bar disengaging magnet tightened by screen cloth and is tightening in groove; Fixed support body on rack, screen cloth is connected by magnetic part with supporter upper end; Screen frame inwall is arranged at least one baffle plate, can come back to screen cloth central authorities under the stop of baffle plate when slurry moves along screen frame inwall and sieve, the dry slag after screening is discharged from slag-drip opening.
2. a quick draping and the method for available protecting screen cloth, comprise screen frame, rack, screen cloth and the net hoop bar that stretches tight, rack is positioned at screen frame, screen frame offers slag-drip opening, it is characterized in that screen frame inwall fixes shelves, the upper fixed magnets of screen frame inwall above shelves one week, the net hoop bar that stretches tight to be placed in shelves and by magnet absorption, rack outer wall to be offered and tightens groove; Handle hole is offered in the corresponding position of stretching tight net hoop bar of screen frame; First lie on rack by screen cloth when changing screen cloth, be then placed on screen cloth by screen frame and fall, screen frame makes screen cloth apply ointment or plaster on rack outer wall by under screen cloth after folding; The stretch tight end of net hoop bar connects tightening device, is put in by instrument in handle hole to operate the tightening device net hoop bar that will stretch tight and tighten up, and stretch tight net hoop bar disengaging magnet tightened by screen cloth and is tightening in groove; Fixed support body on rack, screen cloth is connected by magnetic part with supporter upper end; Screen frame inwall is arranged at least one baffle plate, can come back to screen cloth central authorities under the stop of baffle plate when slurry moves along screen frame inwall and sieve, the dry slag after screening is discharged from slag-drip opening.
3. a quick draping and the vibratory sieve of available protecting screen cloth, comprise screen frame, rack, screen cloth and the net hoop bar that stretches tight, screen frame offers slag-drip opening, it is characterized in that screen frame inwall fixes shelves, screen frame inwall above shelves one week upper fixed magnets, the net hoop bar that stretches tight to be placed in shelves and by magnet absorption, rack outer wall to be offered and tightens groove; Through hole is offered in the corresponding position of stretching tight net hoop bar end of screen frame, and the end of the net hoop bar that stretches tight passes in this through hole, and the end of netting hoop bar of stretching tight is connected on tightening device; The net that stretches tight binds round disengaging magnet when bar tightens up and tightened by screen cloth is tightening in groove; Vertical fixed support body on rack, iron plate is placed at screen cloth upper face center place, supporter top secured core, and iron core is wound around solenoid outward, and solenoid energising produces magnetic force and attracts iron plate to be clamped by screen cloth; Screen frame inwall is arranged at least one baffle plate, one end of baffle plate is fixed on the screen frame inwall of slag-drip opening side, the contact of baffle plate bottom surface or close screen cloth upper surface, and the other end of baffle plate is towards slag-drip opening; Fix non-return baffle plate at the remote edge place of slag-drip opening, the bottom surface contact of non-return baffle plate or close screen cloth upper surface, the other end of non-return baffle plate is towards slag-drip opening; The length that baffle plate occupies on screen cloth face is 1/10 to 1/3 of screen cloth radius.
4. described quick draping according to claim 3 and the vibratory sieve of available protecting screen cloth; it is characterized in that stretching tight and net the two ends intersection of hoop bar; in the afterbody machining screw of net hoop bar that stretches tight; clamp nut, positioning sleeve and location snap ring are set in tightening device; one end of positioning sleeve is coaming plate, other end connection location snap ring with holes; positioning sleeve is fixed on screen frame; clamp nut is sleeved on and stretches tight on the thread segment of net hoop bar; clamp nut adopts staircase structural model, the large end of clamp nut between positioning sleeve coaming plate and location snap ring, small end passes location snap ring.
5. a quick draping and the vibratory sieve of available protecting screen cloth, comprise screen frame, rack, screen cloth and the net hoop bar that stretches tight, screen frame offers slag-drip opening, it is characterized in that screen frame inwall fixes shelves, screen frame inwall above shelves one week upper fixed magnets, the net hoop bar that stretches tight to be placed in shelves and by magnet absorption, rack outer wall to be offered and tightens groove; Stretch tight net hoop bar end relatively and be connected on tightening device, offer handle hole in the stretch tight position of net hoop bar end of screen frame correspondence; The net that stretches tight binds round disengaging magnet when bar tightens up and tightened by screen cloth is tightening in groove; Vertical fixed support body on rack, iron plate is placed at screen cloth upper face center place, supporter top secured core, and iron core is wound around solenoid outward, and solenoid energising produces magnetic force and attracts iron plate to be clamped by screen cloth; Screen frame inwall is arranged at least one baffle plate, one end of baffle plate is fixed on the screen frame inwall of slag-drip opening side, the contact of baffle plate bottom surface or close screen cloth upper surface, and the other end of baffle plate is towards slag-drip opening; Fix non-return baffle plate at the remote edge place of slag-drip opening, the bottom surface contact of non-return baffle plate or close screen cloth upper surface, the other end of non-return baffle plate is towards slag-drip opening; The length that baffle plate occupies on screen cloth face is 1/10 to 1/3 of screen cloth radius.
6. quick draping according to claim 5 and the vibratory sieve of available protecting screen cloth; it is characterized in that stretching tight and net two semicircles that hoop bar is composition annular; wherein end and another root of the net hoop bar that stretches tight stretch tight, and to net the corresponding end of binding round bar relative close; connector, fastening bolt are set in tightening device; connector is fixed on the end of the net hoop bar that stretches tight, and penetrates fastening bolt in two connectors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310678316.1A CN103658018B (en) | 2013-12-14 | 2013-12-14 | A kind of quick draping and the method for available protecting screen cloth and vibratory sieve |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310678316.1A CN103658018B (en) | 2013-12-14 | 2013-12-14 | A kind of quick draping and the method for available protecting screen cloth and vibratory sieve |
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| CN103658018A CN103658018A (en) | 2014-03-26 |
| CN103658018B true CN103658018B (en) | 2015-12-30 |
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| CN108421697A (en) * | 2018-03-31 | 2018-08-21 | 利辛县宏天建材有限责任公司 | A kind of sieving equipment being conveniently replaceable biomass fiber sieve |
| CN112974221A (en) * | 2021-01-29 | 2021-06-18 | 湖南杨阳杨食品有限公司 | Vibrating machine for food processing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5398816A (en) * | 1993-07-20 | 1995-03-21 | Sweco, Incorporated | Fine mesh screening |
| CN2678786Y (en) * | 2004-02-25 | 2005-02-16 | 贺占谞 | Fast locking means for lacing ring of rotary shaking screen |
| CN202010652U (en) * | 2011-04-02 | 2011-10-19 | 李荣魁 | Slurry filtration vibrating screen convenient to clean and easy to store |
| CN202778951U (en) * | 2012-08-30 | 2013-03-13 | 佛山市海天调味食品股份有限公司 | Vibrating screen structure of vibrating screen machine |
| CN102873025A (en) * | 2012-09-29 | 2013-01-16 | 山东润科机电设备有限公司 | Vibrating screen |
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