CN103691665B - Method for rapidly replacing screen and flexibly distributing material and vibrating screen - Google Patents
Method for rapidly replacing screen and flexibly distributing material and vibrating screen Download PDFInfo
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- CN103691665B CN103691665B CN201310676862.1A CN201310676862A CN103691665B CN 103691665 B CN103691665 B CN 103691665B CN 201310676862 A CN201310676862 A CN 201310676862A CN 103691665 B CN103691665 B CN 103691665B
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- 230000003139 buffering effect Effects 0.000 claims description 4
- 238000003754 machining Methods 0.000 claims description 3
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- 238000009827 uniform distribution Methods 0.000 description 1
Abstract
A method for rapidly replacing a screen and flexibly distributing material and a vibrating screen belong to the technical field of material screening. The vibrating screen comprises a screen frame, a screen support, the screen and screen-tightening hoop strips, the screen support is located in the screen frame, the vibrating screen is characterized in that the screen-tightening hoop strips are placed on the internal wall of the screen frame, the screen frame is provided with through holes at positions corresponding to the screen-tightening hoop strips, and the ends of the screen-tightening hoop strips pass through the through holes. During screen replacement, a screen is first placed flat on the screen support, the screen frame is then placed on the screen and drops, and after being downwardly bent by the screen frame, the screen clings to the external wall of the screen support; the ends of the screen-tightening hoop strips are connected with tighteners and tightened by operating the tighteners. Because the screen frame is integrated with the screen-tightening hoop strips, during screen replacement, the screen is placed flat on the top end of the screen support, the screen frame is then placed on the screen and drops in one step, the screen can cling to the external wall of the screen support after being bent by the vertically dropping screen frame, consequently, the screen does not need to be bent manually, and the skill proficiency of an operator is not required.
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 tighten with material whether uniform distribution---screen cloth stretches tight its vibrosieve effect tighter is better, and service life is longer; Slurry distributes more even on screen cloth, and screening effect is better and less to the impact injury of screen cloth.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.
And during screening materials carrying, concrete mode is: material is injected on the screen cloth of vibratory sieve by pipeline.Under the vibration of vibrating motor, the solid particle of small volume falls into collecting vessel by screen cloth, and the solid particle that volume is larger to be saved bit by bit on screen cloth and discharged by the slag-drip opening on screen frame (unit).For solid powder, this kind of separation method has good screening effect.But for the slurry of solid-liquid mixing, when adopting conventional vibration to sieve, there is following defect:
(1) because flow rate of slurry is very fast, larger impulsive force can be produced to screen cloth during from certain height to screen cloth updip grout material, easily screen cloth be damaged, affect the service life of screen cloth.
(2) slurry is to pour into hourly velocity on screen cloth very fast, screen cloth is caused to have little time to sieve slurry, therefore the slurry be poured on screen cloth can get more and more, and the pressure that too much slurry produces can cause screen cloth to damage equally and increase the burden of vibrating motor, reduces the service life of vibratory sieve.
(3) slurry is very fast in whereabouts hourly velocity, and splashes after therefore falling on screen cloth, to the environment of workplace, and also result in the waste of slurry.In industry, carry out high-qualityly effectively tightening for convenient replacing screen cloth with to screen cloth, and material is uniformly distributed weaken falling impacts power, never solution well.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiencies in the prior art, provides a kind of quick draping and the method for flexible cloth and vibratory sieve, can change screen cloth quickly and effectively tighten and can cushion the falling speed of slurry thus uniform distribution.
The present invention solves the scheme that its technical problem adopts: invent a kind of quick draping and the method for flexible cloth, comprise screen frame, rack, screen cloth and the net hoop bar that stretches tight, rack is positioned at screen frame, 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; 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; Above screen cloth, arrange the material-homogenating device be made up of hopper and cloth tray UNICOM, blowdown road is offered in hopper lower end, cloth tray offers cloth mouth; During cloth, first slurry enters hopper, then enters cloth tray by discharge port, is finally fallen on screen cloth by cloth mouth under the buffering of cloth tray.
Another kind of quick draping and the method for flexible cloth, comprise screen frame, rack, screen cloth and the net hoop bar that stretches tight, rack is positioned at screen frame, 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; 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; Above screen cloth, arrange the material-homogenating device be made up of hopper and cloth tray UNICOM, blowdown road is offered in hopper lower end, cloth tray offers cloth mouth; During cloth, first slurry enters hopper, then enters cloth tray by discharge port, is finally fallen on screen cloth by cloth mouth under the buffering of cloth tray.
The device adopted for solving the technology of the present invention problem is: invent a kind of quick draping and the vibratory sieve of flexible cloth, comprise screen frame, rack, screen cloth and the net hoop bar that stretches tight, 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; Material-homogenating device is set above screen cloth, between material-homogenating device and screen cloth, leaves space; Arrange the hopper and cloth tray that are connected in material-homogenating device, blowdown road is offered in hopper lower end, cloth tray offers cloth mouth.
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: invent a kind of quick draping and the vibratory sieve of flexible cloth, comprise screen frame, rack, screen cloth and the net hoop bar that stretches tight, 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; Material-homogenating device is set above screen cloth, between material-homogenating device and screen cloth, leaves space; Arrange the hopper and cloth tray that are connected in material-homogenating device, blowdown road is offered in hopper lower end, cloth tray offers cloth mouth.
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. the blowdown road of material-homogenating device is narrower and opening is longer, slurry in heapsly can not be fallen by disperseing, therefore both having cushioned pulp fall speed, it also avoid the situation that slurry drop sputters screen frame (unit).
6. the slurry constantly fallen can temporarily be saved bit by bit in cloth tray, along with getting more and more of slurry quantity, slurry can be fallen on screen cloth in succession from cloth mouth, not only avoid slurry and be all deposited in situation screen cloth causing compressing screen cloth, and achieve the object of at the uniform velocity cloth, alleviate the burden of screen cloth, also improve the screening efficiency of screen cloth simultaneously, form flexible cloth.
7. cloth mouth is arc, rounded distributing mode, makes slurry more near screen cloth center, can further increase screening efficiency.
8. in the middle part of coaming plate, arc-shaped structure makes material-homogenating device closer to the center of screen cloth, thus can not touch the fixed part at screen cloth center, makes slurry can drop down onto best screen area, improves screening effect.
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; (cross bolt)
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; (intersection buckle)
Fig. 7 is the structural representation of third embodiment of the invention; (bolts at two ends)
Fig. 8 is the position view that the present invention arranges material-homogenating device;
Fig. 9 is the structural representation of material-homogenating device in the present invention;
Figure 10 is that D-D shown in Fig. 9 is to sectional view;
Figure 11 is C place partial enlarged drawing in Figure 10;
Figure 12 is the upward view of material-homogenating device shown in Fig. 9.
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 material-homogenating devices; 19 hoppers; 19.1 blowdown road; 20 cloth tray; 20.1 cloth mouth; 20.2 coaming plates.
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.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.Material-homogenating device 18 is set above screen cloth 2, between material-homogenating device 18 and screen cloth 2, leaves space; Arrange the hopper 19 and cloth tray 20 that are connected in material-homogenating device 18, blowdown road 19.1 is offered in hopper 19 lower end, offers cloth mouth 20.1 bottom cloth tray 20.Cloth mouth 20.1 is arc.Cloth tray 20 edge is provided with coaming plate 20.2, is circular arc near the middle part of the side coaming plate 20.2 at screen cloth 2 center.Vibration on Start-up motor 4, 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 17, 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.
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.
Cloth:
Slurry by Cemented filling to vibratory sieve, first slurry enters in hopper 19, and in hopper 19, the falling speed of slurry is slowed down, and then falls on cloth tray 20 by narrow blowdown road 19.1, then fall on screen cloth 2 from the cloth mouth 20.1 cloth tray 20, then start screening.The larger slurry of flow velocity when falling on screen cloth 2 from material-homogenating device 18, and flow velocity greatly can reduce and be dispersed on screen cloth 2 and carries out vibration screen 2, improves screening efficiency, reduces and impact injury, extend screen cloth 2 life-span.
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 flexible cloth, comprise screen frame, rack, screen cloth and the net hoop bar that stretches tight, rack is positioned at screen frame, 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; 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; Above screen cloth, arrange the material-homogenating device be made up of hopper and cloth tray UNICOM, blowdown road is offered in hopper lower end, cloth tray offers cloth mouth; During cloth, first slurry enters hopper, then enters cloth tray by discharge port, is finally fallen on screen cloth by cloth mouth under the buffering of cloth tray.
2. a quick draping and the method for flexible cloth, comprise screen frame, rack, screen cloth and the net hoop bar that stretches tight, rack is positioned at screen frame, 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; 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; Above screen cloth, arrange the material-homogenating device be made up of hopper and cloth tray UNICOM, blowdown road is offered in hopper lower end, cloth tray offers cloth mouth; During cloth, first slurry enters hopper, then enters cloth tray by discharge port, is finally fallen on screen cloth by cloth mouth under the buffering of cloth tray.
3. a quick draping and the vibratory sieve of flexible cloth, comprise screen frame, rack, screen cloth and the net hoop bar that stretches tight, 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; Material-homogenating device is set above screen cloth, between material-homogenating device and screen cloth, leaves space; Arrange the hopper and cloth tray that are connected in material-homogenating device, blowdown road is offered in hopper lower end, cloth tray offers cloth mouth.
4. described quick draping according to claim 3 and the vibratory sieve of flexible 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 flexible cloth, comprise screen frame, rack, screen cloth and the net hoop bar that stretches tight, 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; Material-homogenating device is set above screen cloth, between material-homogenating device and screen cloth, leaves space; Arrange the hopper and cloth tray that are connected in material-homogenating device, blowdown road is offered in hopper lower end, cloth tray offers cloth mouth.
6. quick draping according to claim 5 and the vibratory sieve of flexible 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.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310676862.1A CN103691665B (en) | 2013-12-13 | 2013-12-13 | Method for rapidly replacing screen and flexibly distributing material and vibrating screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310676862.1A CN103691665B (en) | 2013-12-13 | 2013-12-13 | Method for rapidly replacing screen and flexibly distributing material and vibrating screen |
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| CN103691665A CN103691665A (en) | 2014-04-02 |
| CN103691665B true CN103691665B (en) | 2015-06-10 |
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| CN206935772U (en) * | 2017-09-07 | 2018-01-30 | 河南裕展精密科技有限公司 | Material screening machine |
| CN112958431B (en) * | 2021-01-28 | 2022-04-05 | 中南林业科技大学 | Tea-oil camellia seed grading drying equipment |
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| US7922003B2 (en) * | 2006-09-29 | 2011-04-12 | M-I L.L.C. | Magnetic screen clamping |
| CN202010652U (en) * | 2011-04-02 | 2011-10-19 | 李荣魁 | Slurry filtration vibrating screen convenient to clean and easy to store |
| 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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