CN115367190A - Film material attaching device, film attaching equipment and film material attaching method - Google Patents
Film material attaching device, film attaching equipment and film material attaching method Download PDFInfo
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- CN115367190A CN115367190A CN202111062947.1A CN202111062947A CN115367190A CN 115367190 A CN115367190 A CN 115367190A CN 202111062947 A CN202111062947 A CN 202111062947A CN 115367190 A CN115367190 A CN 115367190A
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- 239000000463 material Substances 0.000 title claims abstract description 190
- 238000000034 method Methods 0.000 title claims abstract description 70
- 239000012528 membrane Substances 0.000 claims abstract description 49
- 230000008569 process Effects 0.000 claims description 54
- 239000000758 substrate Substances 0.000 claims description 53
- 238000010030 laminating Methods 0.000 claims description 43
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 239000010410 layer Substances 0.000 claims description 12
- 230000033001 locomotion Effects 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000012790 adhesive layer Substances 0.000 claims description 6
- 239000000741 silica gel Substances 0.000 claims description 6
- 229910002027 silica gel Inorganic materials 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
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- 238000003825 pressing Methods 0.000 description 4
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- 238000007781 pre-processing Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
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- 238000002360 preparation method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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- 239000000499 gel Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
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- 230000000737 periodic effect Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B33/00—Packaging articles by applying removable, e.g. strippable, coatings
- B65B33/02—Packaging small articles, e.g. spare parts for machines or engines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention discloses a film material attaching device, film attaching equipment and a film material attaching method. The film material attaching device includes: the rotatable base is provided with an attaching station; the conveying belts are respectively used for attaching the film materials to be attached, and are arranged on the rotatable base; the rotatable base is used for driving the conveying belts to move to the attaching stations respectively. This membrane material attachment device can practice thrift and set up the membrane material in year membrane platform and control year membrane platform and carry out the required time of counterpointing at actual pad pasting in-process, effectively improves the attached production efficiency of membrane material.
Description
Technical Field
The invention relates to the technical field of film material bonding, in particular to a film material attaching device, film material bonding equipment and a film material bonding method.
Background
Currently, the photoelectric display device deeply covers industries such as intelligent equipment, vehicle-mounted display, chemical materials, flexible wearing, aerospace, national defense and military industry and the like. The optoelectronic display device usually uses pixel points arranged in an array as a functional subject. The pixel points are easy to be corroded by the water oxygen environment of nature to be aged, so that in an actual display panel preparation process line, not only the pixel point part of the display panel needs to be prepared, but also functional film materials, including a water-blocking film, a polaroid, a support film, a temporary protection film and the like, need to be attached to a plurality of subsequent process sections. The corresponding film sticking equipment is usually needed in the process flow of sticking the film material. The film sticking equipment generally comprises a feeding film box, a film carrying platform, a release film tearing mechanism, a substrate platform, a cleaning mechanism and the like.
The film pasting by the film pasting equipment generally comprises the following steps. Firstly, a membrane material is placed in a feeding membrane box, then the membrane material in the feeding membrane box is sucked by a suction cup and other instruments and moves to the position above a membrane carrying platform, and the membrane material is placed on the membrane carrying platform; removing the original release film on the film material by using a release film tearing mechanism; at the same time, the display panel is transferred to the substrate stage; starting film pasting after the substrate platform and the film carrying platform are arranged in an alignment way; and finally, rolling the film material from one side to the other side by using a rubber roller, and simultaneously moving the film carrying platform to separate the film material from the film carrying platform to finish the film pasting process.
Although the automatic film sticking can be realized by using the film sticking method, the problems that the production efficiency of products is influenced still exist. Specifically, the film material needs to be arranged on the film carrying platform in each laminating process, the film carrying platform is moved twice in sequence to carry out alignment and complete separation from the film material, and the next film laminating process is carried out after one film laminating process is completed. The production time of the continuous production process is long, and the production efficiency is low.
Disclosure of Invention
In view of the above, it is desirable to provide a film material attaching apparatus capable of improving film material attaching efficiency, and further, to provide a corresponding film attaching apparatus and a film material attaching method.
According to one embodiment of the present invention, a film material attachment device includes:
the rotary base is provided with an attaching station;
the conveying belts are respectively used for attaching the membrane materials to be attached, and are arranged on the rotatable base;
the rotatable base is used for driving the conveying belts to move to the attaching stations respectively.
In one embodiment, the conveying belt is provided with a film material adhesion area, and an adhesion layer for fixing the film material is arranged on the film material adhesion area.
In one embodiment, the film material adhesion area is rectangular, the length of the film material adhesion area is not less than 688.48mm, and the width of the film material adhesion area is not less than 400.48mm.
In one embodiment, the adhesive layer is made of silica gel.
In one embodiment, the rotatable base comprises:
the conveying belt comprises a base driving part, a rotating shaft and a base, wherein the base driving part is used for driving the rotating shaft to rotate, the base is connected to the rotating shaft and driven by the rotating shaft to rotate on a horizontal plane, and the conveying belts are arranged on the base.
In one embodiment, the two conveyor belts are arranged symmetrically around the rotation axis.
Further, a film laminating apparatus, comprising:
the film material attaching apparatus according to any one of the above embodiments; and
the laminating compression roller, the laminating compression roller set up in being located attached station the one end of conveyer belt, the laminating compression roller is used for will being located attached station membrane material pressfitting on the conveyer belt is to treating the pad pasting work piece on.
In one embodiment, the film sticking device further comprises a workpiece fixing mechanism for fixing a workpiece to be pasted with a film, wherein the workpiece fixing mechanism comprises: a carrier substrate, a carrier substrate drive and a guide;
the carrier substrate is movably connected with the guide piece, the carrier substrate driving piece is used for driving the carrier substrate to move along the guide direction of the guide piece, and the guide direction of the guide piece is the same as the movement direction of the film material on the conveying belt positioned on the attaching station.
In another aspect, a film material attaching method for attaching a film material to a surface of a workpiece to be attached with a film by using the film attaching apparatus according to any one of the above embodiments includes the following steps:
a plurality of membrane materials are respectively and correspondingly arranged on the conveying belts;
one of the conveyer belts is arranged at the attaching station, and the conveyer belt is used for carrying out the following film attaching procedures: aligning and contacting the starting end of the binding surface in the workpiece to be coated with the film with the starting end of the film material, enabling the film material to be obliquely arranged relative to the workpiece to be coated with the film, driving the film material to sequentially move from the starting end of the film material to the opposite terminal end direction by the conveying belt and leave the conveying belt, synchronously moving the workpiece to be coated with the film material driven by the conveying belt, and pressing the film material leaving the conveying belt onto the workpiece to be coated with the film by the binding compression roller;
and rotating the rotatable base to enable the conveyer belt additionally provided with the film material to be sequentially transferred to the attaching station, and sequentially using the conveyer belt transferred to the attaching station to carry out the film attaching process.
In one embodiment, the workpiece to be filmed is a flexible display device.
The film material attaching device in the above embodiment changes the film carrying platform in the conventional technology into a conveyor belt, and arranges a plurality of conveyor belts on a rotatable base. In the actual use process, one of the conveying belts is firstly arranged on the attaching station, the conveying belt drives the film material to move forwards, and the film material workpiece to be attached and the film material are controlled to move synchronously so as to attach the film material to the workpiece to be attached under the condition that the whole position of the conveying belt is fixed. After the laminating of once accomplishing, can shift the conveyer belt that the previous was located attached station to other attached stations of non-and reset the membrane material through the motion of rotatable base to shift the laminating process that the attached station continued the next pad pasting work piece with a later conveyer belt. Because the position of the conveying belt in the process does not need to be changed, the time for arranging the film material on the film carrying platform and controlling the film carrying platform to align can be saved in the actual film pasting process, and the production efficiency of film material attachment is effectively improved.
Drawings
FIG. 1 is a schematic view of a film material attaching apparatus;
FIG. 2 is a schematic cross-sectional view of the film laminating apparatus during use;
FIG. 3 is a schematic diagram of a film laminating process;
wherein each reference numeral and its corresponding meaning are as follows:
111. a rotating shaft; 112. a base; 121. a first conveyor belt; 122. a second conveyor belt; 210. laminating the compression roller; 310. a carrier substrate; 320. a carrier substrate driving member; 330. a guide member; 410. film material; 420. a flexible display panel.
Detailed Description
In order that the invention may be more fully understood, reference will now be made to the following description. Preferred embodiments of the present invention are presented herein. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. As used herein, "plurality" includes two and more than two items. As used herein, "above a certain number" should be understood to mean a certain number and a range greater than a certain number.
According to one embodiment of the present invention, a film material attachment device includes: a rotatable base and a plurality of conveyor belts. The rotatable base is provided with an attaching station; the plurality of conveyer belts are used for supplying the membrane material of treating the laminating to adhere to respectively, a plurality of conveyer belts set up in rotatable base is last, rotatable base is used for driving a plurality of conveyer belts move to attached station respectively.
Specifically, the plurality of conveyor belts can be moved to the attaching station by the movement of the rotatable base.
Wherein, the rotatable base means that each point on the base can return to the original position after rotating 360 degrees around the rotating shaft. The rotatable base may be embodied, for example, as a platform fixedly connected to a solid spindle, or may be, for example, an endless conveyor belt.
The conveying belt comprises a conveying belt and a transmission roller, the transmission roller is sleeved with the conveying belt, and the rotation of the fixed position is completed under the action of the transmission roller. The drive roller can be designed according to the specific shape of the required driving belt, and generally, the number of the drive roller can be multiple.
The specific shape and size of the side of the conveyor belt used for attaching the film material can be determined according to the size of the film material to be attached. For example, the conveyor belt can be used for attaching a film material required for a display substrate of 31 inches or more. Thus, in one particular example, the conveyor belt has a film material adhesive area thereon. Optionally, the film adhesion area is rectangular, the length of the rectangle is not less than 688.48mm, and the width of the rectangle is not less than 400.48mm. It can be understood that the conveyer belt can also be used for the attaching process of the film material with smaller size.
In one specific example, the film may shift on the surface of the conveyor belt during the attachment process, resulting in poor attachment of the film. Therefore, in order to temporarily fix the film material at a specific position on the conveyor belt, in one specific example, an adhesive layer for fixing the film material is provided on the film material adhesion area.
However, in the actual film laminating process, a pressing roller is usually adopted to press the film material onto the workpiece to be laminated, and the pressed part of the film material is simultaneously subjected to the adsorption force of the film carrying platform, the sliding pulling force when the film material is separated from the film carrying platform, and the pressure when the film material is pressed onto the display panel by the rubber roller, so that after the combination, a large pulling stress along the surface of the film material is generated on the film material. The pulling stress can be remained at the interface between the film material and the substrate, and the stress can not cause obvious influence on the hard workpiece to be coated. However, in the case of a flexible display panel that is soft, the stress is applied to the entire flexible display panel after the flexible display panel is peeled off from the rigid carrier substrate, and the flexible display panel is warped, resulting in local damage to the flexible display panel.
In order to overcome this problem, in one specific example, the material of the adhesion layer is silicon gel. In the moving process of the conveying belt, the conveying belt can not generate obvious sliding and pulling force on the membrane material. Meanwhile, the adhesive force between the silica gel and the membrane material is weak, so that the effect of assisting the membrane material in positioning can be achieved, and overlarge adsorption force cannot be generated on the membrane material. Therefore, in this specific example, during the film pasting process, the film material is only subjected to the obvious pressure of the pasting press roller on the film material, which is towards the workpiece to be pasted with the film. Therefore, the adhesive layer on the surface of the conveying belt is made of the silica gel material, so that the stress generated when the film material is attached can be effectively reduced. The film material attaching device is suitable for a film attaching process of a flexible display panel, and can remarkably improve the comprehensive yield in a laser stripping process section, a carrier substrate separation process section and a film material attaching process section in the preparation process of the flexible display panel.
Further, optionally, the film material adhesion zone further comprises a substrate layer, and the adhesion layer is disposed on the substrate layer. Specifically, the material of the base material layer may be a metal, such as stainless steel.
In one specific example, the rotatable base further has a loading station, and among the plurality of conveyor belts, when a conveyor belt is provided at the attaching station, a conveyor belt is also provided at the loading station.
In one specific example, the rotatable base includes a base driving part for driving the rotation shaft to rotate, a rotation shaft, and a base connected to the rotation shaft and rotated on a horizontal plane by the rotation shaft, and a plurality of conveyor belts are disposed on the base.
In one specific example, the plurality of conveyor belts are centrosymmetric about the axis of rotation. The plurality of conveyor belts are arranged to be centrosymmetric with respect to the rotation axis, so that the latter conveyor belt can reach the position of the former conveyor belt in the process of rotating the rotatable base by a specific rotation angle, so that the conveyor belts always exist at some specific positions. The conveyor belt outside the application station can be used for other operations, such as applying the film to be applied to a conveyor belt without film.
Further, in one specific example, two conveyor belts are provided, and the two conveyor belts are in central symmetry around the rotation axis of the rotatable base. One of them conveyer belt can be used for setting up in attached station and carry out the pad pasting process, and another conveyer belt can set up in the material loading station and carry out the membrane material and set up the process, and after accomplishing pad pasting process and membrane material and set up the process, only need rotate rotatable base 180, can carry out the pad pasting process and the membrane material of next time again and set up the process. The specific construction of the device can be simplified as much as possible by providing two centrosymmetric conveyor belts.
In the actual film material attaching process, the starting end of the film material is aligned with and contacts with the surface starting end of the workpiece to be film-attached, the terminating end of the film material is spaced from the surface terminating end of the workpiece to be film-attached, and the attaching press roller gradually presses the film material to the surface of the workpiece to be film-attached along the starting end of the film material. In one specific example, the conveying belt is arranged obliquely relative to the horizontal plane, so that when the starting end of the membrane material is aligned with and contacts with the starting end of the surface of the workpiece to be coated, the terminating end of the membrane material is spaced from the terminating end of the surface of the workpiece to be coated.
Optionally, the inclination of the conveyor belt with respect to the horizontal is adjustable. Optionally, the inclination of the conveyor belt with respect to the horizontal plane is 7 ° to 13 °.
To facilitate understanding of the film material attaching device in the above embodiments, please refer to fig. 1, which shows a specific structure of one of the film material attaching devices.
Specifically, the rotatable base includes a base driver, a rotation shaft 111, and a base 112. The base driving member is used for driving the rotating shaft 111 to rotate, the base 112 is in a strip shape, and the base 112 is connected to the rotating shaft 111. In actual operation, the base driving member drives the rotation shaft 111 to rotate, and the rotation shaft 111 drives the base 112 to rotate around the rotation shaft 111. Optionally, the base drive is a torque motor. The output torque of the torque motor is large, and the base and the plurality of conveying belts positioned on the torque motor can be driven to rotate together.
The film material attaching device is also provided with two conveying belts which are respectively a first conveying belt and a second conveying belt. In the orientation shown in fig. 1, the first conveyor belt is distributed at the left end of the elongated base, and the second conveyor belt is distributed at the right end of the elongated base. The position of the first conveyer belt in fig. 1 is taken as an attaching station.
Here, the first conveyor belt 121 and the second conveyor belt 122 are centrosymmetric about the rotation axis 111, that is, when the rotation axis 111 rotates 180 °, the second conveyor belt 122 moves to the home position of the first conveyor belt 121, and the first conveyor belt 121 moves to the home position of the second conveyor belt 122.
The first conveyor belt 121 and the second conveyor belt 122 each have a film material 410 adhesion area, and an adhesion layer for fixing the film material 410 is disposed on the film material 410 adhesion area. Wherein the film 410 adhesive region includes a substrate layer and an adhesive layer. The material of substrate layer is stainless steel, and the material of adhesion layer is silica gel, and silica gel sets up in substrate layer surface through the mode of coating.
Wherein, the adhering area of the film material 410 is rectangular. The length of the film 410 attachment area is 730mm and the width of the film 410 attachment area is 460mm. It is understood that in implementations, the stainless steel and silicone can be provided in other shapes that include the adhesive area of the membrane 410, which does not affect the actual function of the adhesive area of the membrane 410.
It is understood that the film 410 attaching means may also include other components for performing its functions, which are not shown in fig. 1 for simplicity. For example, in order to drive the first and second conveyor belts 121 and 122 to move, the film material 410 attaching device may further include a servo motor. For another example, in order to realize the periodic circular motion of the conveyer belt, a conveyer wheel is arranged inside the conveyer belt, and the rotation of the conveyer wheel drives the conveyer belt to complete the rotation.
The film material attaching device in the above embodiment changes the film carrying platform in the conventional technology into a conveyor belt, and arranges a plurality of conveyor belts on a rotatable base. In the actual use process, one of the conveying belts is firstly arranged on the attaching station, the conveying belt drives the film material to move forwards, and the workpiece to be attached with the film material is controlled to move synchronously with the film material, so that the film material is attached to the workpiece to be attached under the condition that the whole position of the conveying belt is fixed. After the laminating is completed for one time, the conveying belt on the previous attaching station can be transferred to other non-attaching stations through the movement of the rotatable base to reset the film material, and the conveying belt is transferred to the attaching station to continue the film laminating process of the next workpiece to be subjected to film laminating. Because the position of the conveying belt in the process does not need to be changed, the time for arranging the film material on the film carrying platform and controlling the film carrying platform to align can be saved in the actual film pasting process, and the production efficiency of film material attachment is effectively improved.
Further, still another embodiment of the present invention provides a film laminating apparatus, including: the film material attaching device and the laminating press roller according to any one of the embodiments. The laminating compression roller is arranged at one end of the conveying belt positioned at the attaching station, and the laminating compression roller is used for pressing the film material on the conveying belt on the attaching station to a workpiece to be laminated in the film material attaching device. Specifically, the attaching press roller is arranged at one end of the conveying belt positioned at the attaching station during operation.
In one specific example, the diameter of the laminating roller is 20mm to 100mm. Wherein, optionally, the diameter of the attaching press roller is 30mm.
Wherein, the laminating compression roller can further be arranged on the compression roller bracket.
In one specific example, the film sticking equipment further comprises a workpiece fixing mechanism for fixing the workpiece to be stuck with the film. Optionally, the workpiece fixing mechanism comprises a carrier substrate, a carrier substrate base driving part and a guide part, the carrier substrate is movably arranged on the guide part and can move along the guide of the guide part, the carrier substrate driving part is used for driving the carrier substrate to move along the guide part, and the guide direction of the guide part is the same as the moving direction of the film material on the conveying belt on the attaching station.
In particular, reference may be made to fig. 2, fig. 2 showing a schematic view of the film sticking apparatus in an operating state.
The film material 410 is disposed on the first conveyor belt 121, and under the action of the first conveyor belt 121, the film material 410 moves forward.
The workpiece to be filmed is disposed on the carrier substrate 310, the carrier substrate 310 is disposed on the guide 330, and the carrier substrate driving element 320 is configured to drive the carrier substrate 310 to move along the guide 330.
Wherein, the conveying belt is obliquely arranged relative to the carrier substrate 310, so that the film material 410 is obliquely arranged with respect to the workpiece to be laminated and the starting end of the film material 410 contacts the starting end of the workpiece to be laminated in the initial state. The laminating roller 210 faces the beginning end of the film material 410 and presses the film material 410 onto the workpiece to be laminated. The carrier substrate 310 is moved by the carrier substrate driving member 320 along the direction of the guiding member 330 moving towards the film material 410, so as to drive the workpiece to be laminated and the film material 410 to move synchronously.
Further, another embodiment of the present invention further provides a film material attaching method, which attaches a film material to a surface of a workpiece to be film-attached by using the film attaching apparatus described in the above embodiment, and the film material attaching method includes the following steps:
a plurality of membrane materials are respectively and correspondingly arranged on the conveying belts;
one of the conveyer belts is arranged at the attaching station, and the conveyer belt is used for carrying out the following film attaching procedures: aligning and contacting the starting end of a binding surface in a workpiece to be coated with a film with the starting end of the film, enabling the workpiece to be coated with the film to be obliquely arranged relative to the film, driving the film to sequentially move from the starting end of the film to the opposite terminal end direction by the conveying belt and leave the conveying belt, synchronously moving the workpiece to be coated with the film driven by the conveying belt, and pressing the film leaving the conveying belt on the binding surface by the binding compression roller;
and rotating the rotatable base to enable the conveyer belt additionally provided with the film material to be sequentially transferred to the attaching station, and sequentially using the conveyer belt transferred to the attaching station to carry out the film attaching process.
When the film material is arranged on the conveying belt, the film material can leave the conveying belt from the moving tail end of the conveying belt due to the movement of the conveying belt and is attached to a workpiece to be pasted with the film, and therefore one end of the film material close to the moving tail end of the conveying belt is taken as a starting end. The starting end of the workpiece to be filmed is opposite to the starting end of the film material.
In the process of aligning and contacting the starting end of the binding surface in the workpiece to be coated with the film with the starting end of the film material, the conveying belt can move firstly, the starting end of the film material is conveyed to the position just before leaving the surface of the conveying belt, and the starting end of the film material is just aligned and contacted with the starting end of the binding surface in the workpiece to be coated with the film; the initiating terminal counterpoint contact that also can be directly will treat among the pad pasting work piece binding face is located the membrane material on the conveyer belt, as long as can realize the membrane material with treat the pad pasting work piece the two initiating terminal counterpoint can.
Wherein, treating the in-process that the pad pasting work piece set up for the membrane material slope making, treating the binding face of pad pasting work piece and can be located the horizontal plane for the membrane material that the conveyer belt intercommunication was last sets up for the horizontal plane slope, correspondingly, can set up the conveyer belt into the slope in the horizontal plane, also can make the conveyer belt can carry out the slope action in order to adjust its and the contained angle between the horizontal plane. Or the conveying surface of the conveying belt can be positioned on a horizontal plane, and the attaching surface of the workpiece to be film-attached is obliquely arranged relative to the horizontal plane.
Wherein, the conveyer belt can drive the membrane material and remove, makes the work piece of treating the pad pasting and this membrane material synchronous motion this moment. It can be understood that the moving direction and the moving speed of the workpiece to be filmed are the same as those of the film material, so that the workpiece to be filmed and the film material can be attached in an alignment manner. In the moving process, a carrier substrate driving part such as a motor can be adopted to drive the workpiece to be laminated to move according to a set program; in order to ensure that the workpiece to be filmed does not deviate from the preset track, the workpiece to be filmed can be arranged on a guide piece so as to ensure the movement direction of the workpiece to be filmed.
In one specific example, the workpiece to be pasted with the film is a flexible display device.
Specifically, reference may be made to fig. 3, fig. 3 shows a schematic diagram of a film laminating process of laminating a film material onto a flexible display panel by using the film laminating apparatus in the above embodiment, wherein the film laminating process is described by taking only the first conveying belt in the film laminating apparatus as an example, and the film laminating process includes steps S1 to S3.
And step S1, preprocessing.
The pretreatment includes a process of disposing the film 410 to be attached on the adhesive layer of the film 410 on the first conveyor belt 121. Specifically, the rotating shaft 111 may be adjusted to move the first conveying belt 121 to the feeding station, and the robot arm may be used to suck the film 410 and place the film 410 on the film 410 adhering region on the first conveying belt 121. After the film material 410 is disposed on the first conveyor belt 121, the rotating shaft 111 is adjusted again, so that the first conveyor belt 121 moves to the adsorption station, and the second conveyor belt 122 moves to the feeding station. At this time, optionally, the mechanical arm may be used again to suck the film 410 and place the film 410 on the film 410 adhering region on the second conveyor belt 122. Because the material loading station is fixed, the target site of the mechanical arm does not need to be adjusted additionally.
The pre-processing further includes placing the flexible display panel 420 on the carrier substrate 310, and turning the carrier substrate 310 such that the flexible display panel 420 is located below and the carrier substrate 310 is located above.
Wherein the pre-processing further comprises moving the laminating roller 210 such that the laminating roller 210 reaches a predetermined station.
And S2, adjusting the position.
After the first conveyor belt 121 and the carrier substrate 310 are placed in position, the on-board CCD may be further used to collect the mark information on the carrier substrate 310, and the position of the carrier substrate 310 may be finely adjusted, so as to achieve precise alignment between the carrier substrate 310 and the first conveyor belt 121.
The upper surface of the first conveyor belt 121 is disposed to be inclined with respect to the lower surface of the carrier substrate 310, and optionally, the inclination angle of the surface of the first conveyor belt 121 with respect to the lower surface of the carrier substrate 310 may also be adjusted. Specifically, the inclination angle is set to 7 ° to 13 °.
Further, the first conveyor belt 121 may be controlled to start rotating, so that the film material 410 thereon moves forward and is exposed from the edge of the first conveyor belt 121, and the carrier substrate driving member 320 is activated to drive the carrier substrate 310 to move, in which process the moving speed of the carrier substrate 310 needs to be controlled, so that the workpiece to be filmed and the film material 410 move synchronously. After the film material 410 is exposed from the edge of the first conveyor belt 121, the attaching press roller 210 is controlled to move upwards and press the exposed portion of the film material 410 onto the flexible display panel 420.
And step S3, attaching.
The first conveyor belt 121 and the carrier substrate 310 are continuously controlled to move, so that the film material 410 and the flexible display panel 420 move forward together, and the position of the first conveyor belt 121 is fixed. Alternatively, the position of the laminating roller 210 may be fixed during the process, and the laminating roller 210 is controlled to apply a proper pressure to the film material 410 toward the flexible display panel 420, so as to press the moving film material 410 onto the flexible display panel 420.
When the film 410 is completely separated from the first conveyor belt 121 and pressed onto the flexible display panel 420, one attaching process is completed. After the attaching process is completed, the carrier substrate 310 may be turned over again so that the flexible display panel 420 is in the upper position and the carrier substrate 310 is in the lower position. The carrier substrate 310 may then be moved further along the guide 330 and/or handled by a robot to a blanking station and transferred to a next process. In the process, due to the action of the first conveyor belt 121, the film material 410 and the flexible display panel 420 synchronously move forward, and the film material 410 is not subjected to obvious sliding and pulling force. Meanwhile, the first conveyor belt 121 has a weak suction force on the film material 410, so that the film material 410 does not receive a significant suction force. Therefore, no significant stress is generated inside the film material 410 attached to the flexible display panel 420, and the flexible display panel 420 after the film attachment is completed is not warped.
Further, after the film attaching process is completed by using the first conveyor belt 121, the rotating shaft 111 may be started to rotate the base 112 by 180 °, so that the second conveyor belt 122 reaches the attaching station, and the first conveyor belt 121 reaches the feeding station. In this process, the next flexible display panel 420 can be transferred to the position above the second conveyor 122, and the above-mentioned film-attaching process can be repeated by using the second conveyor 122.
It can be understood that, during the film laminating process performed by using the second conveyor belt 122, the mechanical arm may be controlled to suck the film 410 and place the film 410 on the first conveyor belt 121, after the second conveyor belt 122 completes the film laminating process, the base 112 is rotated to make the first conveyor belt 121 transfer to the laminating station and the second conveyor belt 122 transfer to the loading station, and the film laminating process and the loading process are repeated.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A film attachment apparatus, comprising:
the rotary base is provided with an attaching station;
the conveying belts are respectively used for attaching the membrane materials to be attached, and are arranged on the rotatable base;
the rotatable base is used for driving the conveying belts to move to the attaching stations respectively.
2. The film material attaching device according to claim 1, wherein the conveyor belt has a film material attaching area provided thereon with an adhesive layer for fixing the film material.
3. The membrane material adhesion device according to claim 2, wherein the membrane material adhesion area is rectangular, the length of the membrane material adhesion area is not less than 688.48mm, and the width of the membrane material adhesion area is not less than 400.48mm.
4. The film material attachment device according to claim 2, wherein the material of the adhesion layer is silica gel.
5. A film attachment apparatus according to any one of claims 1 to 4, wherein the rotatable base comprises:
the conveying device comprises a base driving part, a rotating shaft and a base, wherein the base driving part is used for driving the rotating shaft to rotate, the base is connected to the rotating shaft and driven by the rotating shaft to rotate on a horizontal plane, and the conveying belts are arranged on the base.
6. The film attaching device according to claim 5, wherein said conveyor belts are two, and both of said conveyor belts are centrosymmetric about said rotation axis.
7. A film laminating apparatus, comprising:
the film attachment device according to any one of claims 1 to 6; and
the laminating compression roller, the laminating compression roller set up in being located attached station the one end of conveyer belt, the laminating compression roller is used for will being located attached station membrane material pressfitting on the conveyer belt is to treating the pad pasting work piece on.
8. The film laminating apparatus according to claim 7, further comprising a workpiece fixing mechanism for fixing a workpiece to be laminated, said workpiece fixing mechanism comprising:
carrier substrate, carrier substrate driving piece and guide, carrier substrate movable connection in the guide, the carrier substrate driving piece is used for the drive the carrier substrate is followed the direction of guidance of guide removes, the direction of guidance with be located attached station the motion direction of the membrane material on the conveyer belt is the same.
9. A film material attaching method, characterized in that the film material is attached to the surface of a workpiece to be attached with a film by using the film attaching apparatus according to claim 7 or 8, comprising the steps of:
a plurality of membrane materials are respectively and correspondingly arranged on the conveying belts;
one of the conveyer belts is arranged at the attaching station, and the conveyer belt is used for carrying out the following film attaching procedures: the starting end of a binding surface in a workpiece to be coated is in contraposition contact with the starting end of the membrane material, the membrane material is obliquely arranged relative to the workpiece to be coated, the conveyor belt drives the membrane material to sequentially move from the starting end of the membrane material to the opposite terminal end direction and leave the conveyor belt, the workpiece to be coated and the membrane material driven by the conveyor belt synchronously move, and the membrane material leaving the conveyor belt is pressed on the workpiece to be coated by the binding press roller;
and rotating the rotatable base to enable the conveyer belt additionally provided with the film material to be sequentially transferred to the attaching station, and sequentially using the conveyer belt transferred to the attaching station to carry out the film attaching process.
10. The film material attaching method according to claim 9, wherein the workpiece to be attached with the film is a flexible display device.
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| CN202111062947.1A CN115367190B (en) | 2021-09-10 | 2021-09-10 | Film attaching device, film attaching equipment and film attaching method |
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| CN202111062947.1A CN115367190B (en) | 2021-09-10 | 2021-09-10 | Film attaching device, film attaching equipment and film attaching method |
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| CN115367190B CN115367190B (en) | 2023-10-31 |
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