CN103359522B - A kind of rectification device for film delivery having tension force concurrently and control - Google Patents
A kind of rectification device for film delivery having tension force concurrently and control Download PDFInfo
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- CN103359522B CN103359522B CN201310291718.6A CN201310291718A CN103359522B CN 103359522 B CN103359522 B CN 103359522B CN 201310291718 A CN201310291718 A CN 201310291718A CN 103359522 B CN103359522 B CN 103359522B
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Abstract
The invention provides a kind of rectification device for film delivery having tension force concurrently and control, comprise film input guiding roller and export orientation roller, for the input and output correction executing mechanism that led by film respectively; Whether offset detection mechanism, offset for detecting film; Tension-detecting mechanism, for detecting memberane stress; Controller, for according to Detection Information produce correction or and tension force control command; Correction executing mechanism, comprises globular motor, deflection framework and deviation rectification roller; The mover of globular motor drives deflection framework to rotate on film feeding face, and the rotation that film reverse direction is ordered about in the friction between deviation rectification roller and film realizes correction; Meanwhile, the mover of globular motor drives deflection framework to rotate on the vertical surface in film feeding face, strains or loosen film to realize tension force control.The present invention realizes correction and the tension force control of film simultaneously, and greatly reduce the impact of tension variation on correction, structure is simple, and correction precision is high.
Description
Technical field
The present invention relates to coiled strip transportation art, be specifically related to a kind of rectification device for film delivery having tension force concurrently and control.
Background technology
Deviation correcting device is widely used in printing, weaving, RFID encapsulation, iron and steel etc. and transmits relevant industry to film.Large multiple production line is very high to the accuracy requirement of film conveying lateral excursion; otherwise can product processing quality be had influence on; on a manufacturing line, usually and deviation correcting device can be arranged respectively before rolling before thin-film unreeling, processing film station, in real time horizontal correction be carried out to film.Near deviation correcting device, can tenslator be set in addition.On General Production Lines, deviation correcting device and tenslator are two complete equipments, carry out work separately separately, in fact memberane stress change can affect transversal displacement, if correction control and tension force can be controlled to integrate, greatly will improve film and run Mass Control.
Current domestic seldom have can the enterprise of production independent research deviation correcting device, is foreign imitation product mostly.The Patents retrieved in China national Department of Intellectual Property at present has:
Correction correcting machine (patent No.: CN201214578Y): propelling unit described in this patent is screw mandrel and the motor driving screw rod transmission, this motor is electrically connected with institute control circuit, namely, when skew occurs film, control circuit controls swinging mounting motion by driven by motor screw mandrel.
Digital visual positioning position correcting device (patent No.: CN102040114A): the innovative point of this patent is by camera (CCD) pick-up pattern information in real time, rectifies a deviation for the film in advancing.
The transmission device used in domestic and international existing deviation correcting device product, substantially be all that stepping motor (or DC machine) drives the transmissions such as screw mandrel (or belt, gear), all there is complex structure, parts machining accuracy requirement is high, the shortcomings such as speed of response is slow, and do not integrate integrated with tenslator, and correction precision reaches bottleneck, the most high control precision of external deviation correcting device be applied at present on the flexible electronic sealed in units such as RFID is only ± 0.1mm.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of rectification device for film delivery, have tension force controlling functions concurrently, structure is simple.
Have the rectification device for film delivery that tension force controls concurrently, comprise
Stay bearing plate;
Film input guiding roller, is fixed on stay bearing plate, for film guiding is inputted correction executing mechanism;
Film export orientation roller, is fixed on stay bearing plate, for the film guiding after correction executing mechanism correction and tension force control being exported;
Whether offset detection mechanism, near bigoted row organization establishes, offset for detecting film;
Tension-detecting mechanism, be arranged at film input guiding roller or and film export orientation roller place, for detecting the tension force of film;
Controller, for produce according to the Detection Information of offset detection mechanism and tension-detecting mechanism correction or and tension force control command;
Correction executing mechanism, for correction or and the effect of tension force control command under complete film correction or and tension force control, it comprises fixed mount, globular motor, deflection framework and two deviation rectification rollers; Fixed mount is fixed on stay bearing plate, and globular motor is fixed on fixed mount, and the mover of globular motor connects the bottom of deflection framework, and the two ends of deflection framework are respectively equipped with a deviation rectification roller; In correction process, the mover of globular motor drives deflection framework to rotate on film feeding face, and the rotation that film reverse direction is ordered about in the friction between deviation rectification roller and film realizes correction; In tension force control process, the mover of globular motor drives deflection framework to rotate on the vertical surface in film feeding face, thus tension or loosen film and realize tension force and control.
Further, also comprise the frame supported stop gear be arranged at below correction framework, it comprises support, limiting stopper and bulb plunger; The two ends of support are respectively equipped with a limiting stopper, in order to limit the rotational angle of correction framework at film conveyor surface; The middle part of support is provided with bulb plunger, its can with the deflection framework be horizontal just in time end contact deflect frame position demarcation effect to play, and framework of rectifying a deviation when globular motor quits work falls to ball head column beyond the Great Wall in self gravitation effect, and now bulb plunger is played a supporting role.
Further, described bulb plunger comprises ball, Compress Spring and cylinder, is provided with Compress Spring in cylinder, and Compress Spring is used for head ball being withstood on cylinder, and cartridge outer surface is processed with screw thread, the degree of depth of screw thread in order to regulate cylinder to screw in support.
Further, described globular motor adopts electromagnetic type globular motor.
Further, described offset detection mechanism is configured with the sensor for detecting membrane excursion, and described sensor adopts infradred sensor, ultrasonic transduter or ccd sensor.Compared with the prior art, the advantage mainly possessed is technical scheme of the present invention:
Because memberane stress size can cause film lateral excursion, the deflection framework of globular motor with band deviation rectification roller is combined by the present invention dexterously, utilize by the rotation of globular motor around different axis, the correction position control and the tension force that carry out film control simultaneously, greatly reduce the impact of tension variation on correction, rectifying effect is better, and arrangement space is less simultaneously.Compare stepping motor or DC machine that the motor used in prior art is single degree of freedom, it rotates to the complexity deflection frame stroke process from motor output shaft, globular motor of the present invention has the performance that multiple degree of freedom rotates, any spatial axis can walking around the centre of sphere rotates, make to realize correction and tension force control in set of device simultaneously, owing to eliminating the transmission devices such as feed screw nut, eliminate the shortcoming such as backlash and friction that screw rod transmission brings, considerably simplify integral structure, and the globular motor high precision that the present invention adopts, it greatly improves correction precision.
Further, the present invention arranges frame supported stop gear, this stop gear can according to film carry operating mode need mechanical constraint is carried out to the globular motor anglec of rotation, reduce control system complexity.And when motor quits work, to deflection frame providing support.
Further, the structure of bulb plunger of the present invention, for under off working state to deflection framework support, when globular motor dead electricity for the movement under gravity of deflection framework provides buffering, and can the support angle of deflection framework be demarcated and be adjusted, add the comformability of deviation correcting device to installation, applying working condition preferably.
Accompanying drawing explanation
Fig. 1 is deviation correcting device integral structure schematic diagram of the present invention;
Fig. 2 is the structural representation of globular motor in Fig. 1;
Fig. 3 is the structural representation of Fig. 1 middle frame support limit mechanism;
Fig. 4 is the structural representation of bulb plunger in Fig. 3;
Fig. 5 is the structural representation of Tu1Zhong offset detection mechanism;
Fig. 6 is the structural representation of tension-detecting mechanism in Fig. 1;
Fig. 7 is that tension force of the present invention controls principle of work schematic diagram;
Fig. 8 is deviation correcting device control block diagram of the present invention.
In figure, 1-stay bearing plate 2-film input guiding roller 3-film export orientation roller 4-offset detection mechanism 5-tension-detecting mechanism 6-controller 7-correction executing mechanism 8-frame supported stop gear 9-bracing frame 71-fixed mount 72-globular motor 73-deflects framework 74-deviation rectification roller 721-stator 722-mover 604-support 602-limiting stopper 603-bulb plunger 6031-ball 6032-Compress Spring 6033-cylinder 401-sensor stand 402-sensor 403-guide rail 501-jockey pulley 502-tension pick-up
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with accompanying drawing and example, the present invention is further elaborated.Only in order to explain the present invention when relating to instantiation if illustrate herein, do not limit the present invention.
Deviation correcting device integral structure schematic diagram of the present invention, mainly comprises stay bearing plate 1, film input guiding roller 2, film export orientation roller 3, offset detection mechanism 4, tension-detecting mechanism 5, controller 6 and correction executing mechanism 7.
Film input guiding roller 1 is fixed on stay bearing plate 1, for film guiding is inputted correction executing mechanism 7; Film export orientation roller is fixed on stay bearing plate 1, for the film guiding output of will rectify a deviation through correction executing mechanism 7 and after tension force control.
Correction executing mechanism 7 for correction or and the effect of tension force control command under complete film correction or and tension force control, it comprises fixed mount 71, globular motor 72, deflection framework 73 and two deviation rectification rollers 74.Fixed mount 71 is fixed on stay bearing plate 1 by bracing frame 9.Globular motor 72 is fixed on bracing frame 9, and globular motor 72 is made up of stator 721 and mover 722, and stator 721 is connected (the present embodiment fixed mount is " L " shape) on fixed mount 71, and mover 722 is connected in the bottom of deflection framework 73.The two ends of deflection framework 73 are respectively equipped with a deviation rectification roller 74, and their effect is to film laterally correction.In correction process, look over from film feeding face, when film position offsets to one side, then the mover 722 of globular motor 72 drives deflection framework 73 to rotate towards the reverse direction of offset direction, and the friction between deviation rectification roller 5 and film is ordered about film return and realized rectifying a deviation; In tension force control process, the mover 722 of globular motor 72 drives deflection framework 73 to rotate on the vertical surface in film feeding face, thus tension or loosen film and realize tension force and control.Globular motor directly affects the transformational relation between the globular motor anglec of rotation and correction frame member angle at a distance of the installation site of two deviation rectification rollers, and then different control effects can be obtained in different positions, those skilled in the art can adjust accordingly position according to control objectives.
Also set up frame supported stop gear 8 at the present embodiment, it is fixed on fixed mount 71 and is positioned at below deflection framework 73.It comprises support 604, limiting stopper 602 and bulb plunger 603.The two ends of support 604 connect a limiting stopper 602 respectively by spacing bearing 601, in order to limit the pendulum angle of correction framework at film conveyor surface.The optional plastics of material of limiting stopper 602, it is arranged on spacing bearing 601.Because support 604 two ends respectively have U-type groove, make the stroke-limit of limiting stopper 602 and locus angle can flexible.The middle part of support 604 is provided with bulb plunger 603, its can with the deflection framework be horizontal just in time end contact deflect frame position demarcation effect to play, and framework of rectifying a deviation when globular motor quits work falls on bulb plunger 603 in self gravitation effect, and now bulb plunger 603 is played a supporting role.In the present embodiment, bulb plunger comprises ball 6031, Compress Spring 6032 and cylinder 6033, Compress Spring is provided with in cylinder 6033, Compress Spring is used for head ball 6031 being withstood on cylinder 6033, cylinder 6033 outside face is processed with screw thread, in order to the degree of depth regulating cylinder 6033 to screw in support 604.
Offset detection mechanism 4 is made up of sensor stand 401, sensor 402 and guide rail 403, and sensor 402 position is adjustable.Sensor 402 can select infradred sensor, ultrasonic transduter or ccd sensor, the optional opposite side of detection mode, to Xian Huodui center.
Tension detect assembly 5 is made up of jockey pulley 501 and tension pick-up 502, tension pick-up 502 be arranged at film input guiding roller or and film export orientation roller place.Tension detect assembly can be used for the monolateral detection of film at film input guiding roller or film export orientation roller place, and also optional bilateral detection, selects according to actual needs.
Fixed mount 71 is supported on stay bearing plate 1 by bracing frame 9.Controller 6 is arranged on below bracing frame 9.Single unit system layout, except selecting described monolateral suspension, can also be selected other layout type, select according to actual needs.
Working process of the present invention is: deviation correcting device entrance is provided with film input guiding roller, and for changing film direction of feed, exit is provided with tension-detecting mechanism, for detecting memberane stress, and tension signal is passed to controller.Film transverse positional offset detects in offset detection mechanism, and shifted signal is passed to controller.In correction executing mechanism, the stator of globular motor is fixed on " L " shape fixed frame, and its rotor is fixed on deflection framework.Under the correction instruction of controller, rotor drives deflection framework to deflect on film feeding face and realizes correction control; Under the tension force control command of controller, rotor drives deflection framework to swing on the vertical surface in film feeding face, makes film tense or loosens, thus realizes memberane stress control.
Fig. 7 gives tension force control principle detailed maps of the present invention, the mover 302 of globular motor 72 rotates around centre of sphere point O, with O point for the origin of coordinates sets up x-y system of axes, the kinematic velocity of film is υ, during adjustment tension force, the axis of mover and y-axis angle are α, now membrane excursion angle is β, and tension pick-up both sides memberane stress is T, and tension pick-up detects the F that makes a concerted effort of memberane stress T, T is the function of F and β, is expressed as:
T＝f(F，β)
Again because the linearity between β and α is very good, can be understood as the linear function that β is α, therefore have:
Tension pick-up draws film actual tension value T through conversion, compare with given value, obtain departure, again by the controller in this departure input control module 11, departure, after amplifying, calibrating, transfers to globular motor controller to drive globular motor, makes mover change its corner α, and then promote deflection framework beat, realize memberane stress and control.
Fig. 8 is deviation correcting device control block diagram.When after the horizontal sideslip of film, film position detects in offset detection mechanism, and by this shifted signal input control device, after the amplification of signal via controller, calibration, transfer to globular motor controller to drive globular motor, mover is rotated around its correction axis, correction axis and thin film planar near normal usually, and then promotion deflection framework rotates on film feeding face, realizes the correction to film feeding.When tension pick-up detects that memberane stress needs to adjust, mover drives deflection framework to rotate with speed omega on the vertical surface in film feeding face, thus realizes memberane stress control.In figure, Tr is given reference tension force, and T is film actual tension, and Pr is given lateral reference position, and Pc is film actual lateral position, and C1, C2 are respectively tension control assembly and deviation correcting device, and M is globular motor, and D is correction framework.
Those skilled in the art will readily understand; the foregoing is only preferred embodiment of the present invention; not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. have the rectification device for film delivery that tension force controls concurrently, comprise
Stay bearing plate;
Film input guiding roller, is fixed on stay bearing plate, for film guiding is inputted correction executing mechanism;
Film export orientation roller, is fixed on stay bearing plate, for the film guiding after correction executing mechanism correction and tension force control being exported;
Whether offset detection mechanism, arranging near correction executing mechanism, offseting for detecting film;
Tension-detecting mechanism, be arranged at film input guiding roller or and film export orientation roller place, for detecting the tension force of film;
Controller, for produce according to the Detection Information of offset detection mechanism and tension-detecting mechanism correction or and tension force control command;
Correction executing mechanism, for correction or and the effect of tension force control command under complete film correction or and tension force control, it comprises fixed mount, globular motor, deflection framework and two deviation rectification rollers; Fixed mount is fixed on stay bearing plate, and globular motor is fixed on fixed mount, and the mover of globular motor connects the bottom of deflection framework, and the two ends of deflection framework are respectively equipped with a deviation rectification roller; In correction process, the mover of globular motor drives deflection framework to rotate on film feeding face, and the rotation that film reverse direction is ordered about in the friction between deviation rectification roller and film realizes correction; In tension force control process, the mover of globular motor drives deflection framework to rotate on the vertical surface in film feeding face, thus tension or loosen film and realize tension force and control.
2. rectification device for film delivery according to claim 1, is characterized in that, also comprise the frame supported stop gear be arranged at below correction framework, it comprises support, limiting stopper and bulb plunger; The two ends of support are respectively equipped with a limiting stopper, in order to limit the rotational angle of correction framework at film conveyor surface; The middle part of support is provided with bulb plunger, its can with the deflection framework be horizontal just in time end contact deflect frame position demarcation effect to play, and framework of rectifying a deviation when globular motor quits work falls to ball head column beyond the Great Wall in self gravitation effect, and now bulb plunger is played a supporting role.
3. rectification device for film delivery according to claim 2, it is characterized in that, described bulb plunger comprises ball, Compress Spring and cylinder, Compress Spring is provided with in cylinder, Compress Spring is used for head ball being withstood on cylinder, cartridge outer surface is processed with screw thread, the degree of depth of screw thread in order to regulate cylinder to screw in support.
4. the rectification device for film delivery according to claim 1 or 2 or 3, is characterized in that, described globular motor adopts electromagnetic type globular motor.
5. the rectification device for film delivery according to claim 1 or 2 or 3, is characterized in that, described offset detection mechanism is configured with the sensor for detecting membrane excursion, and described sensor adopts infradred sensor, ultrasonic transduter or ccd sensor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310291718.6A CN103359522B (en) | 2013-07-11 | 2013-07-11 | A kind of rectification device for film delivery having tension force concurrently and control |
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| CN201310291718.6A CN103359522B (en) | 2013-07-11 | 2013-07-11 | A kind of rectification device for film delivery having tension force concurrently and control |
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| CN103359522A CN103359522A (en) | 2013-10-23 |
| CN103359522B true CN103359522B (en) | 2015-08-19 |
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