TWM511181U - Film adhered device suitable for a large-sized substrate - Google Patents

Description

Film coating device for larger size substrates

The present invention relates to a technique for coating a film on a substrate, and more particularly to a film coating method and apparatus for a larger-sized substrate.

Generally, the substrate may refer to a solar substrate used in the process of fabricating a solar panel, or a touch substrate used in the process of manufacturing a touch panel.

It is known that in the process of producing a touch panel or a solar panel, at least one layer of a film must be coated on the surface of the substrate, and the film may be an ethylene vinyl acetate copolymer (EVA) for producing Protect, insulate, block or block light. For example, in the case of a solar panel, a transparent film is usually applied to the double end or the back end surface of the substrate to provide light penetration, so that the solar cell attached to or attached to the substrate can be absorbed. Solar heat, and thereby protecting the substrate to enhance the weatherability of the solar panel.

At present, solar panels are commonly used as curtain walls for general buildings. Due to the large surface area of the curtain wall, the unit area of solar panels used as curtain walls is relatively larger. According to the knowledge, there is already demand for 3800x2500mm. A solar panel of the size of the area, designed for curtain walls.

Since the material of the film is light and soft, the film coating method commonly used in the process of a touch panel or a solar panel with a small area size is easy to make the center of the film due to the influence of a large area. The phenomenon of sagging and sagging is caused, and the coating is not flat, and bubbles are easily generated, so that it cannot be implemented on the substrate of the above large surface size.

In addition, when the film to be coated on the substrate sometimes has a plurality of layers, whether the film is a surface contacting a substrate (for example, a glass substrate) or a mutual contact with a film of the same or different materials, the above-mentioned conventional The method of pulling the film will also form unevenness of the coating and easy to generate bubbles.

In view of this, the purpose of the present invention is to improve the conventional method of coating a film directly on a substrate by using a pull-on film. When encountering a substrate having a large surface area, it is easy to cause unevenness and easy growth. The problem of enthalpy of bubbles, etc., further provides a film attaching device suitable for a larger-sized substrate, the technical means comprising: a base, positioning of the substrate, the substrate having a surface exposed; a film puller, The utility model comprises a sliding film claw arranged on the upper surface of the base plate, wherein the pulling film claw can reciprocate horizontally above the surface of the substrate; and a retractor comprising two guiding belts slidingly arranged on the double end of the base plate, the guiding tape A carrier is coupled to the carrier, and the guiding belt can drive the carrier to move, and the carrier is suspended adjacent to the surface of the substrate and located below the pulling claw, and the pulling claw can pull the film to stretch Placed on the carrier, and the retractor can gradually retract the carrier to one side of the base and away from the surface of the substrate, so that the adhesive film on the carrier gradually adheres to the surface of the substrate.

In a further implementation, the present invention further includes: a set of mesh areas on one side of the base, the retractor further comprising a winding wheel set, the winding wheel set is composed of a plurality of rollers arranged up and down, the guide The lead tape is wound around the winding wheel set for winding the carrier to the collecting area on one side of the base. Wherein the two sides of the base are respectively provided with a network area.

The retractor retracts the carrier in a direction opposite to the direction in which the pull film pulls the film.

The two guiding belts are arranged in a loop shape and are arranged at both ends of the base.

According to the above technical means, the technical effect of the present invention is that the retractable carrier is used as the receiving base surface before the film film, and the carrier can be wound up and asymptotically separated from the substrate. Surface The characteristics of the film placed on the carrier can be gradually and gently applied to the surface of the substrate, thereby improving the flatness of the film coated by the larger-sized substrate and avoiding the generation of bubbles after the film is applied.

In addition, the relevant technical details that can be implemented by the present invention will be explained in the following embodiments and drawings.

10‧‧‧Abutment

11‧‧‧Set network area

20‧‧‧Substrate

21‧‧‧ surface

30‧‧‧ film puller

31‧‧‧ Pull film claw

40‧‧‧ film

50‧‧‧Retractor

51‧‧‧Guide belt

52‧‧‧Carrier

52a‧‧‧ rod body

52b‧‧‧Band

53‧‧‧Winding wheel set

61‧‧‧First linear direction

62‧‧‧Second linear direction

Description of the steps of the S1 to S4‧‧‧ examples

1 is a flow chart of the steps of the present invention; FIG. 2 is a schematic view of the operation of FIG. 1; FIG. 3 is a schematic view of the configuration of the new film coating device; FIG. 5a to FIG. 5d are schematic diagrams of the operation of FIG. 3, respectively.

The film coating device for a larger-sized substrate provided by the present invention is used for improving the flatness of a film coated by a large-sized substrate. In the present invention, a larger-sized substrate is defined as a surface of a substrate. Larger size, such as 3800x2500mm.

Specifically, please refer to FIG. 1 , which illustrates that the film coating device for a larger-sized substrate provided by the present invention can be easily implemented by a film coating method suitable for a larger-sized substrate. The steps of the film coating method are as follows:

Step S1: Deploying a carrier.

Referring to FIG. 2a, the carrier 52 provides two functions of flattening and retracting, and the carrier 52 is disposed above a substrate 20. Specifically, the substrate 20 has a surface 21 for providing an adhesive film, and the carrier 52 is disposed above the surface 21. Further, the carrier 52 is suspended above the surface 21 of the substrate 20 in a parallel manner, and the carrier is in a retractable form, so that the carrier 52 can be separated from the substrate 20 in a retractable manner. Above the surface 21.

Step S2: Pull the film.

Referring to FIGS. 2b and 2c, the present invention can pull the adhesive film 40 over the carrier 52 through a pull-tab 31 and place the film 40 on the carrier 52 in a flat manner. The pulling film 31 pulls the film 40 along a first linear direction 61 to the carrier 52. The first linear direction 61 is parallel to the carrier 52, so that the film 40 can be placed flat. On the carrier 52, the carrier substrate 52 is used as a film 40 to cover the substrate surface before the substrate 20.

Step S3: Rolling up the carrier.

Referring to FIG. 2d, the carrier 52 is removed from the surface 21 of the substrate 20 in a retracting manner. In practice, the carrier 52 is separated from the surface 21 of the substrate 20 along a second linear direction 62. The two linear directions 62 and the first linear direction 61 are parallel to each other but opposite to each other, so as to prevent the adhesive film 52 from moving away from the surface 21 of the substrate 20, and the carrier 52 is driven by a snake. The winding path is retracted, which can effectively reduce the space occupied by the device required for retracting the carrier 52.

Step S4: The film is attached to the substrate.

Referring to FIG. 2e, the above-mentioned carrier 52 is gradually separated from the surface 21 of the substrate 20, so that the film 40 placed on the carrier 52 hangs down and contacts the substrate 20 due to the loss of the support of the carrier 52, and Suspended by the carrier 52 above the substrate 20, the film 40 can be brought into abutment with the substrate 20, and then gently adhered to the surface 21 of the substrate 20. In addition, after the adhesive film 40 is attached to the substrate 20, the adhesive film 40 protruding from the end of the substrate 20 is cut off, thereby completing the work of attaching the adhesive film 40 to the substrate 20.

On the other hand, please refer to FIG. 3 and FIG. 4 together to illustrate a film coating device for a larger-sized substrate provided by the present invention, comprising a base 10, a film puller 30 and a retractor 50. Wherein: the base 10 is a receiving platform, and the base 10 can be used for receiving and positioning the substrate 20 for processing the substrate 20, the substrate 20 having A surface 21 which is exposed when it is placed on the base 10, and the above-mentioned adhesive film 40 is attached to the surface 21. Further, the base 10 may be constructed by a roller or a belt to enable the substrate 20 to be transported and positioned through the base 10 to receive subsequent processing, such as filming.

The film puller 30 is configured to pull the film 40 above the surface 21 of the substrate 20, and the film puller 30 includes a pull film claw 31 that is slidably disposed above the base 10. The pull-tab 31 can reciprocate horizontally above the surface 21 of the substrate 20, thereby pulling the film 40 above the surface 21 of the substrate 20. The pull-tab 31 can be an electric gripper or a pneumatic gripper. Further, the film puller 30 further includes a transmission device (not shown) for driving the film pull claw 31 to reciprocate horizontally above the surface 21 of the substrate 20 to pull the film. 40 to the top of the surface 21 of the substrate 20.

The retractor 50 includes two guiding belts 51 slidably disposed at the double ends of the base 10, and the two guiding belts 51 are disposed in a loop shape at the double ends of the base 10, and the guiding belt 51 can receive a driver. The loop movement is performed by driving (not shown), which may be a belt or a chain. The carrier 52 is coupled between the two guiding belts 51. The guiding belt 51 can drive the carrier 52 to move, so that the carrier 52 can be suspended adjacent to the surface 21 of the substrate 20 and located at the film. Below the claws 31, the pull film claws 31 can be placed on the carrier 52 in a flat manner.

In the present embodiment, the carrier 52 is composed of a plurality of spaced apart rod bodies 52a and a plurality of spaced apart belt bodies 52b. Wherein, the rod body 52a may be made of metal having a rigid supporting strength and engaged between the two guiding belts 51, and the rod body 52a penetrates the string of the belt body 52b to constitute the carrier 52; The belt body 52b may be made of a plastic material such as plastic, rubber or leather to prevent the film 40 from sagging from the gap between the rod bodies 52a, and the carrier 52 can penetrate the plasticity of the belt body 52b. The rigidity of the rod body 52a is in a state of being retractable and flattened.

In addition to the above, the carrier 52 can also be made of, for example, canvas. Made of aluminum strips and other materials that have both retracting and flattening functions, they are all equivalent to the scope of the new technology and can be applied to Chen Ming.

The retractor 50 can gradually retract the carrier 52 to one side of the base 10 and away from the substrate surface 21, so that the adhesive film 40 on the carrier 52 gradually adheres to the substrate surface 21. In a specific implementation, the base 10 is provided with a collecting area 11 on the side of the base 10, and the carrying member 52 is moved to the collecting area 11 through the retracting of the retractor 50, thereby separating from above the substrate surface 21. Further, the retractor 50 further includes a winding wheel set 53. The winding wheel set 53 is composed of a plurality of rollers arranged up and down, and the guiding belt 51 is wound around the winding wheel set 53 so that the The carrier 52 is wound up along a meandering bending path to the collecting section 11 on the side of the base 10. Furthermore, the base 10 is provided with a network area 11 on both sides thereof, thereby providing a network area 11 on one side or both sides of the base 10, which can effectively reduce the overall requirement of the retractor 50. Take up space.

According to the above configuration, please refer to FIG. 5a to FIG. 5d successively, and the action diagram of the present invention is sequentially disclosed, and the clamping film 31 is clamped to move the film 40 in the first linear direction 61 to the upper side of the carrier 52 (eg, As shown in FIG. 5a, the film 40 is placed on the carrier 52 (as shown in FIG. 5b), and the carrier 52 is driven by the guiding tape 51 to move away from the substrate 10 in the second linear direction 62 (eg, As shown in FIG. 5c, the adhesive film 40 placed on the carrier 52 is moved downward by the support of the carrier 52 and contacts the substrate 20, thereby being attached to the substrate 20 (as shown in FIG. 5d). . Since the carrier 52 is separated from the substrate 20 by moving from one side of the substrate 20 to the other side, the adhesive film 40 can be gradually brought into contact with the substrate 20, thereby improving the flatness of the adhesive film 40 when it is attached to the substrate 20. Avoid creating bubbles after filming.

The above embodiments are merely illustrative of the preferred embodiments of the present invention, but are not to be construed as limiting the scope of the present invention. Therefore, the present invention is subject to the content of the claims defined in the scope of the patent application.

10‧‧‧Abutment

11‧‧‧Set network area

20‧‧‧Substrate

21‧‧‧ surface

30‧‧‧ film puller

31‧‧‧ Pull film claw

40‧‧‧ film

50‧‧‧Retractor

51‧‧‧Guide belt

52‧‧‧Carrier

52a‧‧‧ rod body

52b‧‧‧Band

53‧‧‧Winding wheel set

Claims (5)

A film coating device for a larger-sized substrate, comprising: a substrate for positioning a substrate, the substrate having an exposed surface; and a film puller comprising a sliding film disposed above the base a claw that can reciprocate horizontally over the surface of the substrate; and a retractor comprising two guiding strips slidably disposed at the double end of the base, and a guiding member is coupled between the guiding belts The carrier can be driven to move, and the carrier is suspended above the surface of the substrate and under the pulling film claw, the pulling claw can pull the film to be placed flat on the carrier, and the roll The receiver can gradually retract the carrier to one side of the base and away from the surface of the substrate, so that the adhesive film on the carrier gradually adheres to the surface of the substrate. The film coating device for a larger-sized substrate according to the first aspect of the patent application, wherein a side of the base is provided with a collecting network, the retractor further comprising a winding wheel set, the winding wheel set The utility model is composed of a plurality of rollers arranged in an upper and lower position, and the guiding belt is wound around the winding wheel set for winding the carrier to the collecting area on one side of the base. The film coating device for a larger-sized substrate is described in claim 2, wherein the two sides of the base are respectively provided with a collecting area. The film applicator for a larger-sized substrate as described in claim 1 wherein the retractor carries the direction of the carrier opposite to the direction in which the film pulls the film. The film coating device for a larger-sized substrate according to the first aspect of the patent application, wherein the two guiding tapes are disposed in a loop shape at both ends of the base.