CN103359522A - Film conveying deviation-rectifying device combining tension control - Google Patents
Film conveying deviation-rectifying device combining tension control Download PDFInfo
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- CN103359522A CN103359522A CN2013102917186A CN201310291718A CN103359522A CN 103359522 A CN103359522 A CN 103359522A CN 2013102917186 A CN2013102917186 A CN 2013102917186A CN 201310291718 A CN201310291718 A CN 201310291718A CN 103359522 A CN103359522 A CN 103359522A
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Abstract
The invention provide a film conveying deviation-rectifying device combining the tension control, which comprises a film input guiding roller, an output guiding roller, a deflection detecting mechanism, a tension detecting mechanism, a controller and a deviation-rectifying actuating mechanism, wherein the film input guiding roller and the output guiding roller are used for inputting a film guide into the deviation-rectifying actuating mechanism and outputting the film guide from the deviation-rectifying actuating mechanism; the deflection detecting mechanism is used for detecting whether the film deflects or not; the tension detecting mechanism is used for detecting the film tension; the controller is used for generating deviation-rectification or/and tension control instruction as per the detection information; the deviation-rectifying actuating mechanism comprises a spherical motor, a deflection frame and a deviation-rectification roller; a runner of the spherical motor drives the deflection frame to rotate on a feeding surface of the film; the friction between the rectification roller and the film drives the inverse rotation of the film to realize the deviation-rectification; meanwhile, the runner of the spherical motor drives the deflection frame to rotate on the surface vertical to the feeding surface of the film, so as to tighten or loose the film to realize the tension control. According to the invention, the deviation-rectification and the tension control of the film can be realized simultaneously, the influence of the tension variation on the deviation-rectification is greatly reduced, the structure is simple, and the deviation-rectifying precision is high.
Description
Technical field
The present invention relates to the coiled strip transportation art, be specifically related to a kind of rectification device for film delivery that has tension force control concurrently.
Background technology
The industries relevant with the film transmission such as deviation correcting device is widely used in printing, weaving, RFID encapsulation, iron and steel.Large multiple production line carries the lateral excursion accuracy requirement very high to film; otherwise can have influence on product processing quality; on a manufacturing line, usually can before thin-film unreeling, processing film station and before the rolling, arrange respectively and come deviation correcting device in real time film laterally to be rectified a deviation.Near deviation correcting device, tenslator can be set in addition.Deviation correcting device and tenslator are two complete equipments on General Production Lines, carry out separately separately work, in fact memberane stress changes can affect transversal displacement, if correction control and tension force control can be integrated, will greatly improve film operation control quality.
At present domestic seldom have can production independent research deviation correcting device enterprise, be the foreign imitation product mostly.The Patents that retrieves in China national Department of Intellectual Property at present has:
(patent No.: CN201214578Y): the described propelling unit of this patent is screw mandrel and the motor that drives screw rod transmission to correction correcting machine, this motor is electrically connected with the institute control circuit, namely when skew occured film, control circuit was controlled the swinging mounting motion by the driven by motor screw mandrel.
(patent No.: CN102040114A): the innovative point of this patent is with camera (CCD) pick-up pattern information in real time to digital visual positioning position correcting device, is used for the film correction of advancing.
The transmission device that uses in the existing deviation correcting device product both at home and abroad, substantially all be that stepping motor (or DC machine) drives the transmissions such as screw mandrel (or belt, gear), all there is complex structure, the parts machining accuracy requirement is high, speed of response waits shortcoming slowly, and do not integrate not integratedly with tenslator, and the correction precision reached bottleneck, and the high control precision of external deviation correcting device that is applied at present on the flexible electronic sealed in unit such as RFID electronic tag only is ± 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 control function concurrently, simple in structure.
A kind of rectification device for film delivery that has tension force control concurrently comprises
Stay bearing plate;
Film input guiding roller is fixed on the stay bearing plate, is used for film guiding input correction executing mechanism;
Film export orientation roller is fixed on the stay bearing plate, and being used for will be through the film guiding output after correction executing mechanism correction and the tension force control;
Whether offset detection mechanism arranges near bigoted row mechanism, be offset for detection of film;
Tension-detecting mechanism, be arranged at film input guiding roller or and film export orientation roller place, for detection of the tension force of film;
Controller, be used for detection information according to offset detection mechanism and tension-detecting mechanism produce correction or and the tension force control command;
Correction executing mechanism, be used for correction or and the effect of tension force control command under finish 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 the stay bearing plate, and globular motor is fixed on the 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 the correction process, the mover of globular motor drives the deflection framework and rotates at film feeding face, and the friction between deviation rectification roller and film is ordered about the backward rotation of film and realized correction; In the tension force control process, the mover of globular motor drives the deflection framework and rotates at the vertical surface of film feeding face, thus tension or loosen film and realize tension force control.
Further, also comprise the frame supported stop gear that is arranged at correction framework below, 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 correction framework at the rotational angle of film conveyor surface; The middle part of support is provided with the bulb plunger, its can with the deflection framework that is horizontal just in time end contact to play deflection frame position demarcation effect, and the correction framework falls to ball head column beyond the Great Wall in the self gravitation effect when globular motor quits work, and this moment, the bulb plunger was played a supporting role.
Further, described bulb plunger comprises ball, Compress Spring and cylinder, is provided with Compress Spring in the cylinder, and Compress Spring is used for ball is withstood on the head of cylinder, and cartridge outer surface is processed with screw thread, and screw thread screws in the degree of depth of support in order to regulate cylinder.
Further, described globular motor adopts the electromagnetic type globular motor.
Further, described offset detection mechanism disposes the sensor for detection of the film skew, and described sensor adopts infradred sensor, ultrasonic transduter or ccd sensor.Technical scheme of the present invention compared with the prior art, the advantage that mainly possesses is:
Because the memberane stress size can cause the film lateral excursion, the present invention is combined globular motor dexterously with the deflection framework with deviation rectification roller, utilization is by the rotation of globular motor around different axis, carry out simultaneously correction position control and the tension force control of film, greatly reduce tension variation to the impact of correction, rectifying effect is better, and arrangement space is less simultaneously.Compare stepping motor or DC machine that the motor that uses in the prior art is single degree of freedom, it rotates to complexity the deflection framework swing process from motor output shaft, globular motor of the present invention has the performance of multiple degree of freedom rotation, can walk around any spatial axis rotation of the centre of sphere, make and on a covering device, can realize simultaneously correction and tension force control, owing to having saved the transmission devices such as feed screw nut, the shortcomings such as backlash that screw rod transmission brings and friction have been eliminated, simplified to a great extent integral structure, and the globular motor high precision that the present invention adopts, it has improved the correction precision greatly.
Further, the present invention arranges the frame supported stop gear, and this stop gear can carry the needs of operating mode that the globular motor anglec of rotation is carried out mechanical constraint according to film, reduces the control system complexity.And when motor quits work, the deflection framework is provided support.
Further, the structure of bulb plunger of the present invention, be used under the off working state support to the deflection framework, when the globular motor dead electricity, provide buffering for the deflection framework in the movement under the Action of Gravity Field, and can demarcate and adjust the support angle of deflection framework, increased preferably the comformability of deviation correcting device to installation, applying working condition.
Description of drawings
Fig. 1 is deviation correcting device integral structure schematic diagram of the present invention;
Fig. 2 is the structural representation of globular motor among 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 among Fig. 3;
Fig. 5 is the structural representation of offset detection mechanism among Fig. 1;
Fig. 6 is the structural representation of tension-detecting mechanism among Fig. 1;
Fig. 7 is tension force control principle of work schematic diagram of the present invention;
Fig. 8 is deviation correcting device control block diagram of the present invention.
Among the figure, the 1-stay bearing plate 2-film input guiding roller 3-film export orientation roller 4-offset detection 5-of mechanism tension-detecting mechanism 6-controller 7-correction executing mechanism 8-frame supported stop gear 9-bracing frame 71-fixed mount 72-globular motor 73-deflection 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
The specific embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and example, the present invention is further elaborated.If only in order to explain the present invention, do not limit the present invention when explanation relates to instantiation herein.
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 the stay bearing plate 1, is used for film guiding input correction executing mechanism 7; Film export orientation roller is fixed on the stay bearing plate 1, and being used for will be through the film guiding output after correction executing mechanism 7 corrections and the tension force control.
Also set up frame supported stop gear 8 at the present embodiment, it is fixed on and is positioned at deflection framework 73 belows on the fixed mount 71.It comprises support 604, limiting stopper 602 and bulb plunger 603.The two ends of support 604 connect a limiting stopper 602 by spacing bearing 601 respectively, in order to limit the correction framework at the pendulum angle of film conveyor surface.The optional plastics of the material of limiting stopper 602, it is installed on the spacing bearing 601.Because support 604 two ends respectively have U-shaped groove, make the stroke-limit of limiting stopper 602 and the locus angle can flexible.The middle part of support 604 is provided with bulb plunger 603, its can with the deflection framework that is horizontal just in time end contact to play deflection frame position demarcation effect, and the correction framework falls on the bulb plunger 603 in the self gravitation effect when globular motor quits work, and bulb plunger 603 is played a supporting role at this moment.In the present embodiment, the bulb plunger comprises ball 6031, Compress Spring 6032 and cylinder 6033, be provided with Compress Spring in the cylinder 6033, Compress Spring is used for ball 6031 is withstood on the head of cylinder 6033, cylinder 6033 outside faces are processed with screw thread, screw in the degree of depth of support 604 in order to regulate cylinder 6033.
Tension force detection components 5 is comprised 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.The tension force detection components 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 is selected according to actual needs.
Working process of the present invention is: the deviation correcting device entrance is provided with film input guiding roller, is used for changing the film direction of feed, and the exit is provided with tension-detecting mechanism, for detection of memberane stress, and tension signal is passed to controller.Film horizontal position side-play amount detects in offset detection mechanism, and shifted signal is passed to controller.The stator of globular motor is fixed on " L " shape fixed frame in the correction executing mechanism, and its rotor is fixed on the deflection framework.Under the correction instruction of controller, rotor drives the deflection framework and deflects to realize correction control at film feeding face; Under the tension force control command of controller, rotor drives the deflection framework and swings at the vertical surface of film feeding face, makes the film tension or loosens, thereby realize memberane stress control.
Fig. 7 has provided tension force control principle detailed maps of the present invention, the mover 302 of globular motor 72 rotates around centre of sphere point O, set up the x-y system of axes take the O point as the origin of coordinates, the kinematic velocity of film is υ, when adjusting tension force, the axis of mover 302 and y axle clamp angle are α, this moment, the film deviation angle was β, and tension pick-up 902 both sides memberane stresss are 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）
Because the linearity between β and the α is very good, can be understood as β is the linear function of α again, therefore have:
Tension pick-up draws film actual tension value T through converting, compare with given value, obtain departure, again with the controller in this departure input control module 11, departure transfers to the globular motor controller to drive globular motor after amplifying, calibrating, make mover change its corner α, and then promote deflection framework beat, realize memberane stress control.
Fig. 8 is the deviation correcting device control block diagram.Behind the horizontal sideslip of film, film position detects in offset detection mechanism, and with in this shifted signal input control device, after the signal via controller amplifies, calibrates, transfer to the globular motor controller to drive globular motor, make mover rotate usually rectify a deviation axis and thin film planar near normal around its correction axis, and then promote the deflection framework and rotate at film feeding face, realize the correction to the film feeding.When tension pick-up detected memberane stress and need to adjust, mover drove the deflection framework and rotates with speed omega on the vertical surface of film feeding face, thereby realized memberane stress control.Among the figure, Tr is given with reference to tension force, and T is the film actual tension, and Pr is given lateral reference position, and Pc is the film actual lateral position, and C1, C2 are respectively tension control assembly and deviation correcting device, and M is globular motor, and D is the correction framework.
Those skilled in the art will readily understand; the above only is preferred embodiment of the present invention; not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. a rectification device for film delivery that has tension force control concurrently comprises
Stay bearing plate;
Film input guiding roller is fixed on the stay bearing plate, is used for film guiding input correction executing mechanism;
Film export orientation roller is fixed on the stay bearing plate, and being used for will be through the film guiding output after correction executing mechanism correction and the tension force control;
Whether offset detection mechanism arranges near bigoted row mechanism, be offset for detection of film;
Tension-detecting mechanism, be arranged at film input guiding roller or and film export orientation roller place, for detection of the tension force of film;
Controller, be used for detection information according to offset detection mechanism and tension-detecting mechanism produce correction or and the tension force control command;
Correction executing mechanism, be used for correction or and the effect of tension force control command under finish 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 the stay bearing plate, and globular motor is fixed on the 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 the correction process, the mover of globular motor drives the deflection framework and rotates at film feeding face, and the friction between deviation rectification roller and film is ordered about the backward rotation of film and realized correction; In the tension force control process, the mover of globular motor drives the deflection framework and rotates at the vertical surface of film feeding face, thus tension or loosen film and realize tension force control.
2. rectification device for film delivery according to claim 1 is characterized in that, also comprises the frame supported stop gear that is arranged at correction framework below, and 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 correction framework at the rotational angle of film conveyor surface; The middle part of support is provided with the bulb plunger, its can with the deflection framework that is horizontal just in time end contact to play deflection frame position demarcation effect, and the correction framework falls to ball head column beyond the Great Wall in the self gravitation effect when globular motor quits work, and this moment, the bulb plunger was 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, be provided with Compress Spring in the cylinder, Compress Spring is used for ball is withstood on the head of cylinder, cartridge outer surface is processed with screw thread, and screw thread screws in the degree of depth of support in order to regulate cylinder.
4. according to claim 1 and 2 or 3 described rectification device for film deliveries, it is characterized in that, described globular motor adopts the electromagnetic type globular motor.
5. according to claim 1 and 2 or 3 described rectification device for film deliveries, it is characterized in that, described offset detection mechanism disposes the sensor for detection of the film skew, and described sensor adopts infradred sensor, ultrasonic transduter or ccd sensor.
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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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| CN103359522B CN103359522B (en) | 2015-08-19 |
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| CN104860094A (en) * | 2015-05-20 | 2015-08-26 | 成都市和乐门业有限公司 | Coil stock unrolling feeding device |
| CN104986605A (en) * | 2015-07-08 | 2015-10-21 | 南通凯迪自动机械有限公司 | Non-contact wide-range edge automatic skew adjusting system and method |
| CN105836515A (en) * | 2016-04-29 | 2016-08-10 | 华中科技大学 | Flexible film tension deviation rectification control system |
| CN105841870A (en) * | 2016-04-29 | 2016-08-10 | 华中科技大学 | Flexible film tension detecting roller |
| CN106904474A (en) * | 2017-05-05 | 2017-06-30 | 潘杰 | One kind has automatic lifting cloth conveying automatic correcting mechanism |
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| CN109835758A (en) * | 2019-02-26 | 2019-06-04 | 江阴市汇通印刷包装机械有限公司 | Tuningout tension bracket |
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| CN105841870B (en) * | 2016-04-29 | 2018-06-12 | 华中科技大学 | A kind of flexible membrane tension-sensing roller |
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| CN108046023A (en) * | 2017-12-21 | 2018-05-18 | 红塔烟草(集团)有限责任公司 | A kind of film transmission error-correction structure and its control method |
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| CN109835757A (en) * | 2019-02-26 | 2019-06-04 | 江阴市汇通印刷包装机械有限公司 | Vertical tuningout tension bracket |
| CN109835758A (en) * | 2019-02-26 | 2019-06-04 | 江阴市汇通印刷包装机械有限公司 | Tuningout tension bracket |
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