CN210682637U - Membrane mechanism and online coating membrane system of rectifying - Google Patents

Abstract

The utility model relates to a film deviation rectifying mechanism and an online film coating system, which comprises a roller frame, wherein a roller rod is arranged on the roller frame, and the length of the roller rod is horizontal; the roller frame sets up on the mechanism of rectifying, the mechanism adjusting roller frame of rectifying is along roller pole length direction horizontal reciprocating motion, will treat that the membrane of tectorial membrane is rolled up and place on the roller pole of roller frame, implement the fixed of rolling up the membrane, the mechanism of rectifying sets up on the roller frame, through the real-time adjustment to the roller frame, and then can implement and roll up the source of feed and carry out real-time regulation to the membrane, and then avoid the membrane material deviation to appear, therefore this membrane is rolled up quick switching system and can be guaranteed the continuous feed of membrane in the time, reduce the problem of the material that leads to because of changing the membrane and scrap the loss, and can also guarantee the membrane quality to the product.

Description

Membrane mechanism and online coating membrane system of rectifying

Technical Field

The utility model relates to a membrane production technical field, concretely relates to membrane mechanism and online coating film system of rectifying.

Background

In packaging equipment or film equipment, in order to continuously realize film supply operation, a film roll is generally supported by a roller frame, the film roll is wound into a cylindrical structure in the actual use process, the film roll is placed on a roller rod of the roller frame, one end of the film roll is pulled out manually, and then the film is supplied, so that the film is laid on a package or a plate;

after the film roll is used up, the whole system needs to be shut down, then a new film roll is replaced on the roller frame, then the new film is pulled out from the film roll again, and the film passes through various switching compression rollers, so that the feeding operation of the new film is realized, however, when the film roll is replaced, due to the need of shutting down, the production efficiency of the system is reduced, when the operation is performed on the plate film, due to the fact that the film roll is replaced, the film used in advance cannot wholly cover one plate, the film is not arranged, and then the plate and a part of the film on the production line are directly scrapped, and the obvious economic loss is directly caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the utility model provides a membrane mechanism of rectifying can realize rectifying in real time to the membrane to reduce because of changing the problem of the material scrap loss that the membrane roll leads to.

The utility model provides a solve technical problem and adopt following technical scheme:

the film deviation rectifying mechanism comprises a roller frame, wherein a roller rod is arranged on the roller frame, and the length of the roller rod is horizontal; the roller frame is arranged on the deviation rectifying mechanism, and the deviation rectifying mechanism adjusts the roller frame to horizontally reciprocate along the length direction of the roller rod.

The utility model discloses still have following characteristic:

one end rotary type setting of roller pole is on the roller frame.

The roller frame rotary type sets up on adjusting the support, and the mechanism of rectifying is including setting up the slider at adjusting the support lower extreme, the slider constitutes the spacing cooperation that slides with linear guide, linear guide's length direction level and with the membrane lead send the direction parallel, adjust the support and be connected with actuating mechanism, actuating mechanism is used for the drive to adjust the support and is located linear guide and slides.

And the opposite side of the film is provided with a detection mechanism, the detection mechanism is used for detecting the distance between one sides of the film and transmitting a distance signal to the control unit, and the control unit controls the driving mechanism to start or stop.

The detection mechanism is a photoelectric sensor arranged on one side of the film, and the detection end of the photoelectric sensor is horizontal and points to one side of the film.

The detection mechanism is an ultrasonic sensor arranged on one side of the membrane, and the transmitting end of the ultrasonic sensor is horizontal and points to one side of the membrane.

The driving mechanism comprises an electric cylinder, and a piston rod of the electric cylinder is parallel to the linear guide rail and is connected with the roller frame.

A film adsorption mechanism is arranged beside the roller frame and is used for adsorbing one end of a film and is close to the tail end of the film at the tail end of the production line;

the side of roller frame still is provided with membrane cutting mechanism, membrane cutting mechanism is used for cutting the terminal membrane of film book.

Compared with the prior art, the beneficial effects of the utility model are embodied in: the film roll to be treated with the tectorial membrane is placed on the roller rod of roller frame, implement the fixed of rolling up the membrane, the mechanism that will rectify sets up on the roller frame, through the real-time adjustment to the roller frame, and then can implement the source of rolling up the feed to the membrane and adjust in real time, and then avoid the membrane material deviation to appear, so when this quick exchange system is rolled up to the membrane can guarantee the continuous feed of membrane, reduce the problem of the material scrap loss that leads to because of changing the membrane roll, and can also ensure the membrane quality to the product.

Drawings

FIGS. 1 and 2 are schematic views of two perspective structures of an in-line enrobing membrane system;

FIGS. 3-8 are six through-state schematic views of an in-line enrobing membrane system;

FIG. 9 is a schematic structural view of a membrane adsorption mechanism;

FIG. 10 is a front view of the membrane adsorption mechanism;

FIG. 11 is a schematic structural view of a membrane cutting mechanism;

fig. 12 is a schematic side view of the photosensor in the detection mechanism.

Detailed Description

With reference to fig. 1 to 12, the structural features of the present in-line coating system are detailed as follows:

the following is combined with the whole online film coating system to explain the film deviation rectifying mechanism of the utility model in detail:

the on-line film coating system comprises a roller frame 10, wherein a roller rod 20 is arranged on the roller frame 10, the length of the roller rod 20 is horizontal, the roller frame 10 is connected with a rotation adjusting mechanism, and the rotation adjusting mechanism drives the roller frame 10 to rotate;

the roller frame 10 is arranged on a deviation correcting mechanism, and the deviation correcting mechanism adjusts the roller frame 10 to horizontally reciprocate along the length direction of the roller rod 20;

referring to fig. 1 to 8, a film roll to be film is placed on a roll bar 20 of a roll stand, the film roll is fixed, a film at one end of a previously used film roll is drawn out, and is used on a production line, after the use is finished soon, the rotation adjusting mechanism is started, so that the unused roller rod 20 rotates to the film roll used previously, the front film and the rear film are combined together by reducing the speed of the production line, thereby realizing the continuous feeding of the film and avoiding the stop of the production line, and the deviation correcting mechanism is arranged on the roller frame 10, and through the real-time adjustment of the roller frame 10, thereby realizing real-time adjustment of the source of the film roll feeding, further avoiding the deviation of the film material, therefore, the film roll fast exchange system can ensure the continuous feeding of the film, reduce the problem of material scrapping loss caused by replacing the film roll and ensure the film quality of products. .

In order to conveniently realize the approaching attaching operation of the tail end position of the prior film and the front end position of the unused film, a film adsorption mechanism is arranged beside the roller frame 10 and is used for adsorbing one end of the film and is close to the tail end of the film at the tail end of the production line;

with reference to fig. 1 to 8, the adsorbing mechanism and the clamping mechanism are activated to adsorb and clamp the film at one end of the unused film roll, and the film at one end is adsorbed and clamped to approach the tail end of the used film pair along with the rotation of the roller frame 10, and the tail ends and the head ends of the front and rear films are combined together by manual or automatic equipment, so as to realize the continuous feeding operation of the film;

the upper hand adsorption mechanism and the clamping mechanism can be used simultaneously or independently respectively, so that the free end of the film can be stably combined with the upper surface of the film roll used in advance as a design point.

In order to realize the cutting of the film which is nearly used and ensure the combination of the film which is used in advance and the film to be used, a film cutting mechanism is arranged beside the roller frame 10 and is used for cutting the film at the tail end of the film roll;

after the tail end of the previously used film is combined with the head end of the film to be used, the film cutting mechanism is started to carry out the cutting operation on the tail end of the previously used film.

When the film on the surface of products such as the wall panel is operated, the requirement on the accurate combination of the pattern on the film surface and the material plate is extremely high, the accuracy of the combination position of the film and the plate is the key for ensuring the quality of the wall panel product, once the deviation occurs, the wall panel is scrapped, and when the film coil is wound together, the end faces are not strictly in alignment, and large deviations often occur, and in practical application, the film deflection needs to be manually operated by a worker in real time, the existing deviation rectifying mechanism only rectifies the deviation of the prior pulled film, and although the deviation rectification can realize the deviation rectification of the film to a certain extent, in the production line, when the membrane is required to be combined with a plate, the deviation rectifying reaction efficiency of the membrane is low, and deviation is easy to occur, the roller frame 10 is arranged on a deviation rectifying mechanism, and the deviation rectifying mechanism is used for implementing deviation rectifying operation on the film; through the operation of rectifying for attached on the material board that the membrane can be accurate, consequently, through rectifying to the feed end of membrane, can eliminate the error that the membrane was rectified earlier, reach the effect of rectifying in real time, ensure the combination degree of accuracy of panel and membrane, the off-the-shelf disability rate of reduction that can be very big.

As a preferred embodiment of the present invention, the roller rod 20 is arranged in a plurality along the circumferential direction of the rotation axis of the roller frame 10 for supplying the film roll.

In order to realize the continuous feeding operation of the film roll, the roll cores of the plurality of roll rods 20 are connected with the rotating shaft cores of the roll frame 10 at the same distance.

As a first embodiment of the present invention, the roller frame 10 is rod-shaped, and one end of the roller rod 20 is rotatably disposed at two ends of the roller frame 10;

the roller frame 10 adopts a rod-shaped structure, the roller rods 20 are arranged at two ends of the roller frame 10 in a rotating mode, so that the film roll feeding operation is realized, the rotating adjusting mechanism is arranged at the middle section of the roller frame 10, and the rotating shaft center of the roller frame 10 is located at the middle section of the roller frame 10 firstly.

As a second embodiment of the present invention, the roller frame 10 is in a disk shape, one end of each roller rod 20 is rotatably disposed on the disk surface of the roller frame 10, and 3-8 adjacent roller rods 20 are equiangularly distributed along the rotation axis of the roller frame 10;

the roller frame 10 is of a disc frame-shaped structure, the roller rods 20 are arranged on a disc frame-shaped disc surface, and 3-8 roller rods are distributed at equal angles along the rotating shaft of the roller frame 10, so that the included angles between the rod cores of the adjacent roller rods 20 and the connecting line of the axes of the rotating shafts of the roller frame 10 are the same, and automatic feeding can be realized; the roller rods 20 are not strictly distributed along the circumferential direction of the rotation axis of the roller frame 10 at equal angles or equal distances, and the arrangement positions of the roller rods 20 on the roller frame 10 can be arranged according to actual production conditions.

Further preferably, the driving shaft 31 of the rotation adjusting mechanism is arranged at a tubular length direction position, and the roller rods 20 are fixed at two end positions of the roller frame 10, when the driving shaft 31 rotates, the film rolls at two ends are rotated, after the film roll used in the prior art is close to the end of use, the film roll unused in the later art is rotated to the position of the film roll used in the prior art, and the position of the roller rods 20 for assembling the film rolls is overlapped, so that the stability of feeding is ensured.

In order to realize effective dialing of the driving shaft 31, the rotation adjusting mechanism comprises an adjusting bracket 32, the driving shaft 31 is rotatably arranged at the upper end of the adjusting bracket 32 through a bearing, one end of the driving shaft 31 is connected with an output shaft of a first gear box 33, an input shaft of the first gear box 33 is connected with an output shaft of a second gear box 34, and an input shaft of the second gear box 34 is connected with a rotating shaft of an adjusting motor 35;

as shown in fig. 3 to 8, the above-mentioned adjustment motor 35 is started to rotate the driving shaft 31 at the adjustment bracket 32, so that the roller frame 10 is rotated by 180 ° at the center position in the length direction, so that the roller bar 20 used in the prior art is rotated to the roller bar 20 not used in the subsequent art, and a new film roll is replaced on the roller bar 20 used in the subsequent art, so as to realize the feeding.

In order to effectively fix the film roll, the roller rod 20 is an air expansion roller;

when the film roll needs to be replaced, the film roll is sleeved on the air expansion type roller rod 20 in a penetrating mode, then the high-pressure air source is started to inflate the roller rod 20, and the extrusion blocks on the roller rod 20 are protruded, so that the film roll can be effectively fixed.

In order to realize the damping adjustment of the rotation of the film winding roller rod 20, a damping disc 36 is arranged at one end of the roller rod 20 extending out of the roller frame 10;

referring to fig. 1 and 2, the damping disc 36 is a magnetic powder brake disc commonly available in the market, and when the free rotation speed of the roller rod 20 is too high, the damping of the damper 36 is increased to reduce the film guiding-out speed by electrifying the damping disc 36, and when the rotation speed of the roller rod 20 is reduced, the damping of the damper is reduced to reduce the rotation resistance of the roller rod 20, so that the film guiding-out can be facilitated;

the damping disc 36 can adjust the rotational damping of the roller rod 20, further adjust the tension of the film, ensure that the tension of the film is in a proper state, ensure that the film can be flatly attached to a plate, and ensure that the film cutting mechanism and the film adsorption mechanism can realize effective adsorption and effective cutting of the film;

the damping adjustment of the magnetic powder brake disc in the damper 36 can be automatic adjustment, a tension sensor can be arranged at the tensioning and flattening section of the membrane, the tension set by the tension sensor is used, and the real-time damping of the magnetic powder brake disc of the damper 36 is controlled in real time;

the damper 36 is powered, the rotating shaft 31 is provided with a copper conducting ring b in a surrounding manner, the adjusting bracket 32 is provided with a carbon brush a in an extending manner, and the carbon brush a is combined with the copper conducting ring b to power the damper 36 during rotation.

In order to realize effective adsorption of a film at one end of a film roll, the film adsorption mechanism comprises an adsorption box 41 arranged above a roller rod 20, the length direction of the adsorption box 41 is horizontal and parallel to the roller rod 20, an adsorption port is arranged at the bottom of the adsorption box 41, the adsorption box 41 is connected with a lifting mechanism, and the lifting mechanism drives the adsorption box 41 to lift and perform adsorption operation on the film;

foretell absorption mouth is for setting up the straw in absorption box 41 box bottom position, sets up a plurality ofly along the length direction and the width direction equidistance interval that adsorb box 41 behind the straw, and then can realize effectively adsorbing the membrane, adsorb box 41 and adsorb through the one end that elevating system and membrane were rolled up, and then can realize rolling up the effective absorption of the membrane of one end free end to the membrane to make the membrane of one end free end was rolled up the membrane and attached at the membrane tail end of prior use, and then realize the connection to the front and back membrane.

The clamping mechanism comprises a clamping plate 42 arranged on one side of the lower plate surface of the adsorption box 41, one side of the clamping plate 42 is hinged with the lower plate surface of the adsorption box 41, a hinged shaft is horizontal, the hinged shaft of the clamping plate 42 is parallel to the length direction of the adsorption box 41, a micro cylinder 43 is arranged on the adsorption box 41, and a piston rod of the micro cylinder 43 is vertical and is connected with the upper plate surface of the clamping plate 42;

let in gas through in microcylinder 43, make splint 42 overturn around the articulated shaft, and then make splint 42's last face and the lower face of adsorbing box 41 be close to or keep away from, and then realize the absorption to the membrane one end of new membrane book, start vertical cylinder, make adsorb box 41 and the last face of the membrane of prior use be close to, it establishes double-sided tape to paste in the membrane one end below of new membrane book earlier, thereby roll up the one end of new membrane and the membrane of prior use and roll up the face and combine together, start tilting mechanism, and make the membrane flattening of realizing earlier, start membrane truncation mechanism, and then realize cutting the flat section of membrane exhibition of prior use, and then realize the continuous combination of new and old membrane, avoid the shut down of system, and then realize the serialization feed to the membrane, avoid taking the membrane product to cause the continuous feed because of shutting down, and then avoid scrapping of membrane product.

The upper plate surface of the adsorption box 41 is provided with a vertical sliding rod 411, the upper end of the vertical sliding rod 411 is arranged on the lifting plate 412 in a sliding mode, the vertical sliding rod 411 is sleeved with an extrusion spring 413, the upper end and the lower end of the extrusion spring 413 are respectively abutted to the lifting plate 412 and the upper plate surface of the adsorption box 41, the lifting plate 412 is arranged on a vertical track, the adsorption box 41 is vertically lifted on the vertical track by starting a vertical air cylinder 414, when the adsorption box 41 is abutted to the roll body of the film roll, the adsorption box 41 is elastically abutted to the roll body of the film roll, and effective adsorption of one end of the film roll is further ensured;

the lower end of the vertical cylinder 414 is disposed on the elastic support 416, and the elastic support 416 is an elastic steel sheet and is fixed on the adjusting support 32, so as to eliminate the impact phenomenon caused by the deviation generated when the vertical cylinder 414 shakes.

The lifting plate 412 is fixed on a vertical rail through a mounting square tube 415, the lifting plate 412 can be adjusted in the film moving direction and the vertical direction through the mounting square tube 415, so that the adsorption box 41 is positioned right above the rod core of the roller rod 20, namely, the rod core of the roller rod 20 is in the central vertical plane with the adsorption box 41, and in addition, when the adsorption box 41 is lowered to the lowest end position, the adsorption box 41 is positioned at the highest end position of the coil on the roller rod 20;

sliding fit between the lifting plate 412 and the vertical rail, and the sliding direction of the lifting plate 412 is consistent with the moving direction of the film, so that when the adsorption box 41 abuts against the film joint, the adsorption box 41 can move in a translational manner at a certain distance, and the reliability of bonding the two ends of the film is ensured.

Referring to fig. 3 to 5, in order to realize the operation of correcting the film, the correction mechanism includes a slider 321 disposed at the lower end of the adjusting bracket 32, the slider 321 and the linear guide 51 form a sliding limit fit, the length direction of the linear guide 51 is horizontal and parallel to the film guiding direction, the adjusting bracket 32 is connected with a driving mechanism, the driving mechanism is used for driving the adjusting bracket 32 to slide on the linear guide 51, the opposite side of the film is provided with a detecting mechanism, the detecting mechanism is used for detecting the distance between one side of the film and transmitting the distance signal to the control unit, and the control unit controls the driving mechanism to start or stop.

Preferably, the detection mechanism is a photosensor 52 disposed on one side of the membrane, and the detection end of the photosensor 52 is horizontal and directed to one side of the membrane.

More preferably, the detection mechanism is an ultrasonic sensor 53 arranged on one side of the membrane, and the transmitting end of the ultrasonic sensor 53 is horizontal and directed to one side of the membrane;

the photoelectric sensor 52 or the ultrasonic sensor 53 is adopted to detect the detection of one side of the used film on the production line, when the detected distance signal is deviated from the set signal, the deviation signal is fed back to the PLC, so that the driving mechanism is controlled to drive the adjusting bracket 32 to be positioned at the distance of the linear guide rail 51, the adjusting of the adjusting bracket 32 is further realized in real time, and the accuracy of the plate film is ensured.

In order to realize effective driving of the adjusting bracket 32, the driving mechanism comprises an electric cylinder 54, and a piston rod of the electric cylinder 54 is parallel to the linear guide rail 51 and is connected with the adjusting bracket 32;

the extending length of the piston rod of the electric cylinder 54 can be accurately controlled through the controller, so that the fine adjustment of the film deviation rectifying distance can be realized, and the deviation rectifying reliability is ensured.

In order to realize the film cutting operation, the film cutting mechanism comprises a cutting tool 61 arranged below the driving roller frame 10, the cutting tool 61 is connected with a power mechanism, and the power mechanism drives the cutting tool 61 to horizontally move and the moving direction of the cutting tool is parallel to the roller rod 20;

after the film adsorption mechanism adsorbs one end of the film on the roller rod 20, the rotation adjusting mechanism drives the roller frame 10 to rotate, so that the film roll used earlier descends, and the film roll arranged at the other end of the roller frame 10 rotates to the position of the film roll used earlier, after one end of the film roll used earlier is adsorbed by the film adsorption mechanism, one end of the film at one end of the new film roll is close to the upper part of the tail end of the film roll which is not completely used, so that the continuous connection of the film is realized, the continuous use of the film is realized, and the production efficiency of the system is improved;

in order to separate the film from the film roll core while the previously used film is descending, the cutting knife 61 is driven to horizontally move by the power mechanism, thereby performing the cutting operation of the film.

The cutting tool 61 is not absolutely parallel to the roller rod 20, so that a certain included angle is formed between the moving direction of the cutting tool 61 and the moving direction of the film to avoid system halt, the end face of the cut film can be ensured to be in a straight state, and the integrity of combination of new and old films is further realized.

The cutting tool 61 is integrally in a right-angle plate-shaped structure, the power mechanism comprises a driving cylinder 63, and a piston rod of the driving cylinder 63 is connected with one side plate surface of the cutting tool 61;

the driving cylinder 63 is provided with a support strip plate 632 in an extending manner, the rod end of the piston rod of the driving cylinder 63 is provided with a slide block 631, the slide block 631 is slidably arranged on the support strip plate 632, the support strip plate 632 extends along the length direction of the driving cylinder 63, and the slide block 631 is in sliding fit with the support strip plate 632, so that the cutting tool 61 can be stably and linearly slidably supported, the cutting tool 61 is prevented from rotating around the piston rod of the driving cylinder 63, and the film cutting reliability is ensured;

one end of the cylinder body of the driving cylinder 63 is arranged on the adjusting bracket in a sliding mode, so that the driving cylinder 63 can generate a certain amount of sliding and swinging distance along the advancing direction of the production line, the cutting tool 61 can follow the walking of the film, the moving deflection is generated, and the problem that the cutting reliability is not high due to the fact that the cutting tool 61 generates cutting resistance is solved.

The film cutting mechanism is characterized in that the discharge end of the film cutting mechanism is arranged on the first roller 54, the number of the first rollers 54 is two, the film passes through the two groups of the first rollers 54 and is upwards abutted to the upper roller body of the third roller 56 through the lower roller body of the second roller 55, the photoelectric sensor 52 is arranged between the first roller 54 and the second roller 55, the film is in the optimal state of flattening through the first roller 54 and the second roller 55, and therefore accurate detection of the film offset distance and accurate detection of the tension force transmitter by the photoelectric sensor 52 can be guaranteed.

A method for fast roll exchange is introduced, comprising the steps of:

firstly, preparing materials, namely coating glue or sticking a bonding adhesive tape below one end of a film roll in advance;

secondly, respectively sleeving a plurality of groups of film rolls of various types on a roller rod 20 in a penetrating manner according to actual film requirements, and introducing a high-pressure air source into the roller rod 20 to fix the film rolls;

thirdly, leading the previously used film roll into a production line to carry out film operation, and leading the plate to be subjected to film into the production line so as to achieve the purpose of synchronous film operation;

fourthly, when a new film roll needs to be replaced, the free end of the film roll to be replaced is pulled out and pulled out from the clamping mechanism and the adsorption mechanism for fixing and positioning;

fifthly, starting a lifting mechanism to enable the free end of the film roll to be replaced to descend, enabling the free end of the film to be abutted against the upper plate surface of the previously used roll material, enabling the free end of the film roll to be replaced to be bonded with the previously used film into a whole, and resetting the lifting mechanism;

sixthly, starting a rotation adjusting mechanism to enable the roller rod 20 on the roller frame 10 to rotate around a rotating shaft of the roller frame 10, and enabling the film roll used in advance to descend and drag the discharged material, so that the coil material to be replaced rotates and drags the discharged material;

seventhly, continuously rotating the rotating adjusting mechanism to separate the film used firstly from the film used later and form an effective space;

eighthly, starting a membrane cutting mechanism to cut off the membrane used in advance from the membrane used later in a separation section so as to cut off the membrane used in advance from the membrane roll to achieve normal guiding and conveying of the membranes which are not mutually adhered into a whole in an interference manner;

ninth, the rotation adjustment mechanism is continuously activated to rotate the driving roller frame 10, so that the unused film roll is rotated to the previous film roll position, and the roll sleeve on the used roll bar 20 is removed, and a new film roll is mounted on the roll bar 20.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. Membrane mechanism of rectifying, its characterized in that: the roller device comprises a roller frame (10), wherein a roller rod (20) is arranged on the roller frame (10), and the length of the roller rod (20) is horizontal;

the roller frame (10) is arranged on the deviation rectifying mechanism, and the deviation rectifying mechanism adjusts the roller frame (10) to horizontally reciprocate along the length direction of the roller rod (20).

2. The film deviation rectifying mechanism according to claim 1, wherein: one end of the roller rod (20) is rotatably arranged on the roller frame (10).

3. The film deviation rectifying mechanism according to claim 2, wherein: roller frame (10) rotary type sets up on adjusting support (32), and the mechanism of rectifying is including setting up slider (321) adjusting support (32) lower extreme, slider (321) constitute the spacing cooperation of slip with linear guide (51), the length direction level of linear guide (51) just leads with the membrane and send the direction parallel, adjust support (32) and be connected with actuating mechanism, actuating mechanism is used for the drive to adjust support (32) and is located linear guide (51) and slides.

4. The film deviation rectifying mechanism according to claim 3, wherein: and the opposite side of the film is provided with a detection mechanism, the detection mechanism is used for detecting the distance between one sides of the film and transmitting a distance signal to the control unit, and the control unit controls the driving mechanism to start or stop.

5. The film deviation rectifying mechanism according to claim 4, wherein: the detection mechanism is a photoelectric sensor (52) arranged on one side of the membrane, and the detection end of the photoelectric sensor (52) is horizontal and points to one side of the membrane.

6. The film deviation rectifying mechanism according to claim 5, wherein: the detection mechanism is an ultrasonic sensor (53) arranged on one side of the membrane, and the transmitting end of the ultrasonic sensor (53) is horizontal and points to one side of the membrane.

7. The film deviation rectifying mechanism according to claim 5 or 6, wherein: the driving mechanism comprises a piston cylinder or a lead screw and nut mechanism, and a piston rod of the piston cylinder is parallel to the linear guide rail (51) and is connected with the roller frame (10).

8. The film deviation rectifying mechanism according to claim 1, wherein: the side of roller frame (10) is provided with membrane adsorption device and fixture, adsorption device is used for adsorbing membrane one end and is close to with the terminal membrane tail end of production line, fixture is used for implementing the centre gripping to membrane one end.

9. The film deviation rectifying mechanism according to claim 1, wherein: the side of roller frame (10) still is provided with the membrane and cuts off the mechanism, the membrane cuts off the mechanism and is used for cutting off the terminal membrane of membrane book.

10. An on-line coating membrane system, characterized in that: the on-line film coating system comprises the film deviation rectifying mechanism of any one of claims 1 to 9.

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