CN103193102B - The float roller device of membrane production equipment - Google Patents
The float roller device of membrane production equipment Download PDFInfo
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- CN103193102B CN103193102B CN201310097524.2A CN201310097524A CN103193102B CN 103193102 B CN103193102 B CN 103193102B CN 201310097524 A CN201310097524 A CN 201310097524A CN 103193102 B CN103193102 B CN 103193102B
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- 239000012528 membrane Substances 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 230000009471 action Effects 0.000 abstract description 8
- 230000005484 gravity Effects 0.000 abstract description 8
- 230000035945 sensitivity Effects 0.000 abstract description 4
- 239000004744 fabric Substances 0.000 abstract description 2
- 230000008520 organization Effects 0.000 abstract description 2
- 239000010408 film Substances 0.000 description 52
- 230000008859 change Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
Abstract
The present invention is the float roller device of membrane production equipment, and dancer two ends respectively connect a pivoted arm rotationally, and the middle part piston rod each and a cylinder of left and right 2 pivoted arms is hinged, and cylinder barrel is connected in wallboard. 2 pivoted arms are fixedly connected with swingle, and swingle two ends are rotatably installed on wallboard. Swingle one end is connected to position detecting mechanism angular encoder, and code device signal line is connected with reel driving motor controlling organization. Film in the past guide roller is downward, walks around dancer below, more upwards through after guide roller be wound on reel. Balancing weight is installed on the far-end of pivoted arm with respect to dancer. The pulling force of membrane action on dancer, gravity, the thrust of cylinder and the gravity of balancing weight of dancer balance each other, and dancer is in equilbrium position. This device adapts to membrane tension value can be by 2N to 200N, can be used for the plastic sheeting of different size, also can be used for paper or cloth; Adopt low rubbing cylinder, reach ± 0.01N of sensitivity.
Description
Technical field
The present invention relates to membrane production equipment, be specially a kind of float roller device of membrane production equipment.
Background technology
The diameter that the rolling of film production processing unreels film volume in operation is constantly changing, and film volume is straightThe variation in footpath can cause film volume coiled material tension change. If film coil tension force is too small, cause film unwinding to be relaxedWrinkling, be involved in large quantity of air, the coiled material out-of-flatness that laterally wanders off. If film coil overtension, leadsCause coiled material stretching transition, film surface there will be longitudinal tension force line, on the surface of film volume, there will be protuberanceRib, even can make deformation of thin membrane fracture. Therefore, lick in journey in film retractable, raw for ensureingThe surface quality of producing efficiency and film, must remain constant tension.
In actual production, the film volume linear resonance surface velocity that batches film is with the increase of film coil diameter dynamicallyChange, the speed of the film that simultaneously front method, apparatus transports also can change with the variation of speed of production,These all can cause the tension force on film constantly to change. In order to make the tension force of film keep constant, just mustThe size that must roll up tension force according to film is adjusted the rotating speed of winding drum automatically.
More often adopt at present float roller device to detect the rotating speed of tension force, control reel. Front operation is carriedFilm is batched by reel through guide roller, and dancer is arranged between 2 guide rollers, and dancer is lower than leadingTo roller, dancer two ends are respectively connected with pivoted arm rotationally, the piston rod phase of left and right pivoted arm middle part and cylinderConnect. The opposite side of pivoted arm is connected to position detecting mechanism, the signal of position detecting mechanism and reel Electric Machine ControlMechanism connects. Film in the past guide roller is downward, walks around dancer below, more upwards through after guide roller batchTo reel. The gravity of the pulling force of membrane action on dancer and dancer self and cylinder when beginningThrust balances each other, and dancer is in equilbrium position. Along with the increasing of film coil diameter, the linear velocity of film increasesGreatly, the pulling force that acts on film increases, and dancer upwards swings. Dancer upwards swings and drives pivoted arm pendulumThe position detecting mechanism action moving, it connects, signal is delivered to reel motor control mechanism, reduces reel and turnsSpeed, membrane tension returns to set-point, and dancer is got back to equilbrium position.
But existing float roller device sensitivity is not high, and coiled material tension change reaches 20N(newton) more thanCould regulate spool velocity. Still can not ensure the quality of film volume completely. In addition, this kind of float roller device onlyCan regulate control by corresponding a kind of membrane tension. In the time producing the film of different size, membrane tension notWith, float roller device cannot regulate adaptation.
In order to improve the middle promulgated by the State Council that the control accuracy application number of float roller device is CN200710031010.1The disclosed scheme employing of bright patent application " novel float roller device of cast film machine rolling-up mechanism " swing arm,The structure of 2 fulcrums and synchronizing wheel, Timing Belt. But this scenario-frame complexity, regulates difficulty, be difficult for realExecute use.
Summary of the invention
The object of the invention is to design a kind of float roller device of membrane production equipment, comprise guide roller, floatingAction roller, pivoted arm, cylinder, position detecting mechanism action and reel motor control mechanism, at the far-end of pivoted armAlso has balancing weight, tension force that can balance film and dancer gravity, cylinder action power, adaptation different sizeThe given tension value of film.
The float roller device of the membrane production equipment of the present invention design, comprise guide roller, dancer, pivoted arm,Cylinder, position detecting mechanism and reel motor control mechanism, dancer is arranged between 2 guide rollers,Dancer is lower than guide roller, and guide roller is downward in the past for film, walks around dancer below, more upwards through after leadBe wound on reel, form film volume to roller.
Dancer two ends are respectively fixedly connected with a pivoted arm, the middle part of left and right 2 pivoted arms each with a cylinderPiston rod be hinged, the cylinder barrel of cylinder is connected in the wallboard of equipment. Pivoted arm is connected to position detecting mechanism,The signal of position detecting mechanism is connected with reel motor control mechanism. Guide roller is downward in the past for film, walks aroundDancer below, more upwards through after guide roller be wound on reel. The float roller device of the present invention's design alsoDispose swingle and balancing weight, swingle two ends are rotatably installed on the wallboard of equipment, pivoted arm with revolveBull stick is fixedly connected with, and the tie point of cylinder piston rod and pivoted arm is between swingle and dancer. CounterweightPiece is installed on the far-end of pivoted arm with respect to dancer. Position detecting mechanism is angular encoder, through shaft couplingBe connected with swingle, the holding wire of angular encoder is connected with reel motor control mechanism.
The pulling force of membrane action on dancer, the gravity of dancer, thrust and the counterweight of cylinder when beginningThe gravity of piece balances each other, and dancer is in equilbrium position. For different films, tension force difference, regulatesBalancing weight can make the equilbrium position of dancer in setting.
Along with the increasing of film coil diameter, the linear velocity of film increases, and the pulling force that acts on film increases, floatingAction roller upwards swings. Dancer upwards swings and drives two swivel arms to rotate, and swingle drives angular encoderSynchronous rotary, angular encoder records rotational angle signal and delivers to reel motor control mechanism adjusting reel electricityMotor speed, the rotating speed of reel motor declines, and the tension force of film returns to set-point, and dancer is got back to again formerThe equilbrium position of coming.
For improving the sensitivity of device, described cylinder is low rubbing cylinder, and bleed pressure changing value is low to moderate0.005Mpa also can make cylinder piston produce action, can accurately control the power output of 0.01N. Membrane tensionHave the minor variations of 0.01N, cylinder piston just can move, and pivoted arm is rotated, and angular encoder detects and turnsThe rotation of arm can be adjusted reel motor speed in time, and rolling operation is more tended towards stability.
The inlet end of described cylinder is provided with pressure regulator valve, with adjusting cylinders pressure. Original state regulates floats, can regulate balancing weight when the equilbrium position of roller, also can adjusting cylinders pressure, gas that pivoted arm is subject toCylinder thrust, makes dancer reach required balance position.
For ease of operation and control, described pressure regulator valve is electric Proportion valve, the control signal of electric Proportion valveLine is connected with reel driving motor controlling organization. Current value or the magnitude of voltage of controlling this valve by change, makeCylinder intake pressure is corresponding to change, and realizes the step-less adjustment of cylinder pressure, realizes Long-distance Control and journeyOrder control.
2 pivoted arms and cylinder piston rod are hinged, and cylinder can rotate around piston rod top tie point, cylinder barrel tailPortion and cylinder block are hinged, and cylinder block is fixed on wallboard, and cylinder barrel can rotate along cylinder block.
Distance taking dancer center line to swingle center line is as L, pivoted arm upper cylinder piston rod tie pointWith the distance of swingle center line be 1/2L to 2/3L, the distance at balancing weight center and swingle center is2/5L to 6/5L.
Balancing weight is 1～6 of Different Weight, choice for use while being convenient to original state adjusting.
Pivoted arm far-end has the groove longitudinal along pivoted arm, and bolt connects pivoted arm and balancing weight through groove, recessed with thisThe distance of groove adjustable weight piece center and swingle, regulates the arm of force of balancing weight, at initial shapeState regulates balancing weight to make the equilbrium position of dancer in setting, and can prevent that again balancing weight is unexpected from pivoted armCome off.
Described reel motor control mechanism comprises programmable logic controller (PLC) (PLC) and speed regulator, and angle is compiledThe input of the signal access programmable logic controller (PLC) of code device, the output access of programmable logic controller (PLC)Speed regulator, speed regulator connects reel motor. PLC processes angle signal, with former equalization point angleVoltage signal is compared, and draws deviate, after integral operation, obtains reel motor speed adjusted value,The motor speed adjusted value access speed regulator of PLC output, speed regulator regulates reel motor speed. WholeFilm is by reel coiling process, and along with the increase of film coil diameter, dancer swings up and down, and angle is compiledCode device produces Real-time Feedback signal, and reel motor speed is constantly adjusted, indirectly controls thin that reel batchesIt is constant that film tension force keeps, and dancer maintains the equilbrium position that original state regulates.
Described reel motor is variable-frequency motor or servomotor, and corresponding speed regulator is frequency converter or servo controlDevice processed.
One of described 2 pivoted arms respectively have a limit base in the above and below of dancer junction, spacingSeat is fixed on wallboard, the amplitude of rotating to limit pivoted arm, the parts such as protection dancer, angular encoder.Limit base is equipped with cushion blocking on the face of pivoted arm.
Compared with prior art, the advantage of the float roller device of membrane production equipment of the present invention is: 1, pass throughChange weight, the position of cylinder pressure and balancing weight, adapting to membrane tension value can be by 2N to 200N, canFor the plastic sheeting product of different size, the paper that also can be used for printing industry batches, or weaving rowThe cloth of industry batches; 2, adopt low rubbing cylinder, reach ± 0.01N of the sensitivity of action, i.e. membrane tensionWhen change into ± 0.01N of value, just can be adjusted, ensure that film furls to make even surely, improve and produced effectThe surface quality of rate and film; 3, adjusting cylinders pressure, counterweight can be passed through in initial dancer equilbrium positionRealize piece weight and position, convenient and swift; 4, simple in structure, easy for installation, be suitable for plurality of specifications thinFilm winding device uses.
Brief description of the drawings
Fig. 1 is the float roller device example structure schematic diagram of this membrane production equipment;
Fig. 2 is the side view of Fig. 1
1, angular encoder, 11, protective cover, 2, yielding coupling, 3, balancing weight, 4, pivoted arm, 5,Swingle, 6, cylinder, 61, piston rod, 62, cylinder barrel, 63, cylinder block, 7, dancer, 71,Mandrel, 8, limit base, 9, wallboard, 10, film.
Detailed description of the invention
As illustrated in fig. 1 and 2, dancer 7 is hollow to the float roller device embodiment of this membrane production equipmentRoller, dancer two ends are respectively embedded with a rolling bearing, and bearing is fixed on dancer two by hole with collarEnd, has step on mandrel 71, uses collar and roller to be fixed as one, mandrel through brearing bore by axle71 two ends are fixed in the corresponding hole of left and right pivoted arm 4. Dancer 7 is lower than guide roller, film 10In the past guide roller is downward, walks around dancer 7 belows, more upwards through after guide roller be wound on reel, shapeFilm forming volume.
There is step at swingle 5 two ends, and swingle 5 left ends are through the relative Kong Bingyu left side of pivoted arm 4 in left sideSwivel arm 4 is fixedly connected with; Swingle 5 right-hand members are through the pivoted arm 4 corresponding Kong Bingyu right side pivoted arms on right side4 are fixedly connected with; Swingle two ends are arranged on the wallboard 9 of both sides by bearing block and bearing again. FloatRoller 7 forms a rectangular frame by mandrel 71 and swingle 5 and left and right pivoted arm 4, and this rectangular frame canSwing up and down around swingle 5. Swingle 5 left ends are compiled by yielding coupling 2 and angle through wallboard 9Code device 1 is connected, on the fixing wallboard 9 of angular encoder 1, and the outer protective cover 11 that is equipped with of angular encoder 1.The holding wire of angular encoder 1 is connected with reel motor control mechanism.
The distal side of left and right pivoted arm 4 Relative Floating rollers 7 has the groove longitudinal along pivoted arm 4, counterweightPiece 3 is through on pivoted arm 4 and is secured by bolts in pivoted arm groove, and balancing weight 3 can longitudinally move on pivoted arm 4Moving, to regulate balancing weight 3 centers and swingle 5 distance. This example has the balancing weight of 3 Different Weight to supplySelect.
The pivoted arm 4 in this example left side is respectively having a limit base 8 with the above and below of the junction of dancer,Limit base 8 is fixed on wallboard 9. Limit base 8 is equipped with cushion blocking on the face of pivoted arm 4.
The middle part piston rod 61 each and a cylinder 6 of left and right pivoted arm 4 is hinged. Described cylinder 6 isLow rubbing cylinder. As shown in Figure 2, cylinder piston rod 61 can rotate along tie point. Low rubbing cylinder 6Cylinder barrel 62 afterbodys and cylinder block are hinged, and cylinder block 63 is fixed on wallboard 9, and cylinder barrel can rotate along cylinder block.
The inlet end of described cylinder 6 is provided with electric Proportion valve. The control signal wire of electric Proportion valve and volumeCylinder motor control mechanism connects.
The distance of this example taking dancer 7 center lines to swingle 5 center lines is as L, and pivoted arm 4 upper cylinders are livedThe distance of stopper rod 61 tie points and swingle 5 center lines is 1/2L, balancing weight center and swingle centerDistance be L.
Described reel motor control mechanism comprises programmable logic controller (PLC) (PLC) and speed regulator, and angle is compiledThe input of the signal access programmable logic controller (PLC) of code device, the output access of programmable logic controller (PLC)Speed regulator, speed regulator connects reel motor. This routine reel motor is variable-frequency motor, and speed regulator is frequency converter.
Original state, the electric Proportion valve of adjusting cylinders 6, balancing weight 3, act on film 10 unsteadyPulling force on roller 7, the gravity of dancer 7, the thrust of cylinder 6 and the gravity of balancing weight 3 balance each other,Dancer 7 is in equilbrium position. Along with the increasing of film coil diameter, the linear velocity of film 10 increases, effectPulling force in film 10 increases, and dancer 7 upwards swings. Dancer 7 upwards swings and drives two swivel arms4 rotate, and swingle 5 drives angular encoder 1 synchronous rotary, and angular encoder 1 records rotational angleSignal is delivered to reel motor control mechanism and is regulated reel motor speed, and the rotating speed of reel motor declines, film10 tension force returns to set-point, and dancer 7 is got back to again original equilbrium position.
Apply this routine float roller device in the rolling section of film line, reel speed in film coiling processDegree is constantly according to membrane tension adjustment, and film volume coiling process is steady, and film volume surface is smooth-going, two ends are concordant,Film quality is guaranteed. And in the time producing the change of film kind, this device can regulate adaptation not easilyWith the tension force of film.
Above-described embodiment is only that object of the present invention, technical scheme and beneficial effect are further said in detailBright specific case, the present invention is not defined in this. Allly within scope of disclosure of the present invention, doAny amendment, be equal to replacement, improvement etc., within being all included in protection scope of the present invention.
Claims (9)
1. the float roller device of membrane production equipment, comprise guide roller, dancer, pivoted arm, cylinder,Position detecting mechanism and reel motor control mechanism, dancer is arranged between two guide rollers, dancerLower than guide roller, film in the past guide roller is downward, walks around dancer below, more upwards through after guide roller roll upGet and on reel, form film volume; Dancer two ends are respectively fixedly connected with a pivoted arm, left and right two pivoted armsMiddle part is each to be hinged with the piston rod of a cylinder, and the cylinder barrel of cylinder is connected in the wallboard of equipment, and pivoted arm connectsHave position detecting mechanism, the signal of position detecting mechanism is connected with reel motor control mechanism; Its feature existsIn:
Also dispose swingle (5) and balancing weight (3), swingle (5) two ends are rotatably installed onWallboard (9), pivoted arm (4) is fixedly connected with swingle (5), cylinder piston rod (61) and pivoted arm (4)Tie point between swingle (5) and dancer (7); Balancing weight (3) is installed on pivoted arm (4)With respect to the far-end of dancer (7), position detecting mechanism is angular encoder (1), angular encoder (1)Be connected the holding wire of angular encoder (1) and reel Motor controlling machine with swingle (5) through shaft couplingStructure connects;
Described pivoted arm (4) far-end has along the longitudinal groove of pivoted arm (4), and bolt connects pivoted arm (4) through grooveWith balancing weight (3).
2. the float roller device of membrane production equipment according to claim 1, is characterized in that:
Described balancing weight (3) is Different Weight 1～6.
3. the float roller device of membrane production equipment according to claim 1, is characterized in that:
Described dancer (7) center line to the distance of swingle (5) center line is L, on pivoted arm (4)The distance of cylinder piston rod (61) tie point and swingle (5) center line is 1/2L to 2/3L.
4. the float roller device of membrane production equipment according to claim 3, is characterized in that:
The distance at described balancing weight (3) center and swingle (5) center is 2/5L to 6/5L.
5. the float roller device of membrane production equipment according to claim 1, is characterized in that:
Described cylinder (6) is low rubbing cylinder.
6. the float roller device of membrane production equipment according to claim 1, is characterized in that:
The inlet end of described cylinder (6) is provided with pressure regulator valve.
7. the float roller device of membrane production equipment according to claim 6, is characterized in that:
Described pressure regulator valve is electric Proportion valve, the control signal wire of this electric Proportion valve and reel Electric Machine ControlMechanism connects.
8. the float roller device of membrane production equipment according to claim 1, is characterized in that:
Described reel motor control mechanism comprises programmable logic controller (PLC) and speed regulator, angular encoder(1) input of signal access programmable logic controller (PLC), the output access of programmable logic controller (PLC)Speed regulator, speed regulator connects reel motor.
9. the float roller device of membrane production equipment according to claim 1, is characterized in that:
One of described two pivoted arms (4) are respectively having one with the above and below of dancer (7) junctionLimit base (8), limit base (8) is fixed on wallboard (9).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310097524.2A CN103193102B (en) | 2013-03-26 | 2013-03-26 | The float roller device of membrane production equipment |
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| CN201310097524.2A CN103193102B (en) | 2013-03-26 | 2013-03-26 | The float roller device of membrane production equipment |
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| CN103193102A CN103193102A (en) | 2013-07-10 |
| CN103193102B true CN103193102B (en) | 2016-06-08 |
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Denomination of invention: Floating roller device for thin film production equipment Effective date of registration: 20231102 Granted publication date: 20160608 Pledgee: Guoji Finance Co.,Ltd. Pledgor: GUILIN ELECTRICAL EQUIPMENT SCIENTIFIC RESEARCH INSTITUTE Co.,Ltd. Registration number: Y2023980063869 |
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