KR100995048B1 - Manufacturing method of a panel with a film laminated for applying to home appliances - Google Patents

Abstract

The present invention relates to a method for laminating a film on a panel for attaching a home appliance, and more particularly, a panel manufacturing method for continuously laminating a synthetic resin film in a fixed position on a rear surface of a glass or a synthetic resin panel attached to an outer surface of a home appliance. It is about.

According to the method of manufacturing a panel for attaching a home appliance according to the present invention, the synthetic resin film is aligned to an accurate position on a glass or a synthetic resin panel and thus can be continuously laminated. In addition, according to the present invention, even if the design printed on the film has an irregular, discontinuous pattern that is not repeated, it can be laminated at the correct position of the panel.

Appliances, Panels, Film, Laminating, Design, Alignment

Description

Manufacturing method of panel for attaching home appliances where film is laminated {MANUFACTURING METHOD OF A PANEL WITH A FILM LAMINATED FOR APPLYING TO HOME APPLIANCES}

The present invention relates to a method for laminating a film on a panel for attaching a home appliance, and more particularly, a panel manufacturing method for continuously laminating a synthetic resin film in a fixed position on a rear surface of a glass or a synthetic resin panel attached to an outer surface of a home appliance. It is about.

Conventionally, the appearance of home appliances such as a refrigerator or a washing machine has been generally manufactured by assembling a panel made of synthetic resin. Synthetic resins usually had only one color, but recently, it is required to print a design that causes aesthetics to the appearance of home appliances.

For example, a glass is attached to an outer surface of a door coupled to a front side of a refrigerator or a washing machine, and a product that prints a colorful pattern or a design by using a silk screen printing technique on a rear side of the glass has been released.

It is also printed by injecting metal flakes or pearl into the ink to be printed to give the printed design a metallic texture or pearl feel.

Conventionally, the design is printed directly using the silk screen printing technique on the back of the glass as a technique for printing the design. When the silk screen printing technique is used, arbitrary designs may be printed one by one on one glass panel.

However, the conventional method has a problem that the work process is discontinuous, the work speed is slow and the product defect rate is high, which is not efficient and the production cost is high. In addition, the printed design has a large variation in color, it is difficult to automate production and mass production, and it was not possible to recycle the semi-finished product during the production. In particular, when printing directly on glass, there was a possibility that the glass would be broken during work.

The present invention has been made in order to solve the above-mentioned conventional problems, an object of the present invention is to provide a method for manufacturing a panel for attaching home appliances that can be laminated by arranging a synthetic resin film in a precise position on a glass or a synthetic resin panel.

In accordance with another aspect of the present invention, there is provided a method of manufacturing a panel for attaching a household electrical appliance according to the present invention, the method of manufacturing a panel for attaching a household electrical appliance in which a synthetic film is laminated, preparing a film roll on which a synthetic resin film is wound; Forming a panel from glass or synthetic resin and positioning the panel on a plurality of transfer rollers; Detecting, by the sensor, a mark displayed at a predetermined interval on a surface of the film wound on the film roll; When the controller receives a detection signal of the mark from the sensor, the controller drives the plurality of feed rollers after a precomputed time therefrom, thereby transferring the panel between two pressing rollers of a laminating apparatus; And laminating the film on the panel such that the unit length of the film unwound from the film roll is attached to the in situ position on the panel.

In the panel conveying step, it is also preferred that the controller drives one or more drive chains for rotating the plurality of conveying rollers to convey the panel between two pressing rollers of the laminating apparatus.

The panel conveying step may further include aligning the panel in which the left and right alignment rollers rotatably installed vertically on the conveying roller in the horizontal direction.

In addition, the film roll preparation step, the step of printing a desired design on the surface of the synthetic resin film; Applying an adhesive to the printing surface of the film; Attaching release paper to the surface of the pressure-sensitive adhesive; And it is preferable to include the step of winding the film on which the release paper is attached to a roll.

It is also preferred to further comprise the step of washing and drying the panel before the step of positioning the panel on the transfer roller.

In addition, after the film laminating step, it is preferable to further include the step of cutting the film attached to the panel.

In addition, after the film roll preparation step, it is preferable that the plurality of panels are continuously made from the panel washing and drying step to the film cutting step.

According to the method for manufacturing a panel for attaching a home appliance according to the present invention, the synthetic resin film can be continuously laminated by arranging the synthetic resin film at an accurate position on the glass or synthetic resin panel.

In addition, according to the present invention, even if the design printed on the film has an irregular, discontinuous pattern that is not repeated, it can be laminated at the correct position of the panel.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a schematic diagram showing the process sequence of the manufacturing method of the panel for attaching home appliances according to an embodiment of the present invention, Figure 2 shows that the film is laminated by positioning the panel in Figure 1 and performing the left and right alignment. Drawing.

In order to solve the problems of the conventional silk screen printing technique, the present invention is to form a resin film separately, print the design on the film, and then laminate and attach to the panel.

Panel manufacturing method for home appliances according to an embodiment of the present invention, the step of preparing a film roll 60, the synthetic resin film (2) is wound; Forming the panel 1 from glass or synthetic resin and positioning it on the plurality of conveying rollers 5; Sensing (110) the sensor (120) displayed at a predetermined interval on the surface of the film (2) wound on the film roll (60); When the controller 100 receives the detection signal of the mark 120 from the sensor 110, the controller 100 drives the plurality of feed rollers 5 after a precomputed time therefrom, thereby providing the panel 1 ) Is transferred between the two pressing rollers (51, 52) of the laminating device (50); And laminating the film on the panel such that the unit length of the film 2 unwound from the film roll 60 is attached in place on the panel 1.

First, the film 2 is formed of synthetic resin and wound on a roll to prepare a film roll 60. The film roll 60 is mounted on a roll rotating shaft provided near the laminating device 50, and then one end of the wound film 2 is sandwiched between the two pressing rollers 51, 52 of the laminating device 50. This completes the film roll preparation step.

Next, the rectangular panel 1 is mainly formed of glass or synthetic resin and placed on the plurality of conveying rollers 5 so as to be conveyed. Positioning the panel 1 means that the controller 100 is positioned at the point where the panel 1 starts to be transported in the panel transport step described later.

Next, the sensor 110 installed at a predetermined interval on the film roll 60 detects the mark 120 marked at a predetermined interval on the surface of the film 2 wound on the film roll 60, and the controller ( 100) send the detection signal. The mark 120 may be displayed for each unit length of the film 2 to be attached to one panel 1 when the film 2 is attached to the panel 1. These marks 120 are displayed before forming a film and winding it on a roll.

Next, when the controller 100 receives the detection signal of the mark 120 from the sensor 110, the controller 100 drives the plurality of feed rollers 5 after a pre-calculated time therefrom, thereby The panel 1 is transferred between the two pressing rollers 51, 52 of the laminating apparatus 50. Here, the pre-calculated time is at the point where the mark 120 marked on the film 2 is present when the film 2 is continuously unwound in the film roll 60 and enters between the two pressing rollers 51 and 52. During the time the film is conveyed to the point where the film 2 is pressed between the upper roller 51 and the lower roller 52, the panel 1 is paused at some point on the conveying rollers 5 and then the controller Refers to the time at which it starts to be transported by control. Thus, at the time when one panel 1 begins to be pressed between the two rollers 51 and 52, the starting point of the unit length to which the film 2 should also be laminated is between the two rollers 51 and 52. It is located at. Of course, for this purpose, the time should be calculated and input to the controller in consideration of the speed at which the film 2 is unwound and the speed at which the panel 1 is transported.

In addition, the film 2 is not continuously unwinded as above, but the controller 100 not only drives and rotates the feed rollers 5 but also drives and rotates the speeds of the two pressing rollers 51 and 52, and The rotation speed of the film roll 60 according to this can also be controlled.

The panel conveyance step of transferring the panel 1 to the laminating apparatus 50 so as to exactly match the attachment position of the film 2 is performed by vertically aligning the panel when defining the conveying direction of the panel as a rectangular vertical direction. Can be seen as. This results in an alignment step for the lamination of the film along with the left and right alignment of the panel described below.

Next, the film is laminated to the panel so that the unit length of the film 2 unwound from the film roll 60 is attached to the fixed position on the panel 1. Two pressing rollers 51 and 52 of the laminating apparatus 50 compress the laminating film 2 to the panel 1.

In addition, the panel conveying step, the controller 100 drives one or more drive chains 105 for rotating the plurality of conveying rollers 5, thereby pressing the panel 1 with two of the laminating apparatus 50 It is preferable to transfer between the rollers 51 and 52. The controller 100 may drive control a motor (not shown) for rotating the drive chain 105 to cause the drive chain 105 to rotate the transfer rollers 5.

The drive chain 105 is driven at a predetermined rotation speed preset by the motor, and accordingly, the controller 100 may control the drive chain 105 in a manner of controlling only whether the drive chain 105 is driven. On the contrary, when employing a variable speed motor in which the rotational speed of the motor can be changed, the rotational speed of the motor is also controlled by the controller 100 together with the rotational speed of the two pressing rollers 51 and 52 that are controlled together. do.

In addition, the panel conveying step, preferably further comprises the step of aligning the panel in which the left and right alignment rollers 31 rotatably installed on the conveying roller 5 vertically in the left and right direction.

The left and right alignment rollers 31 are installed to be rotated by the panel 1 which is brought into contact with the left and right sides of the panels 1 which are sequentially conveyed on the plurality of conveying rollers 5. Thus, the distance between the shortest points of the two left and right alignment rollers 31 will be installed to match the width of the panel 1. In addition, since the dimensions of the panel to be formed may vary, it may be better that the left and right alignment roller 31 is installed to be movable in a plane rather than being fixed at a specific point.

The left and right alignment of the panel by the left and right alignment rollers 31 may be performed before or at the same time as the vertical alignment of the panel. In FIG. 1, only an alignment device 30 that performs left and right up and down alignment is schematically illustrated in front of the laminating device 50.

In addition, the film roll preparation step, the step of printing a desired design on the surface of the synthetic resin film (2); Applying an adhesive (not shown) to the printing surface of the film (2); Attaching a release paper 3 to the surface of the pressure-sensitive adhesive; And it is preferable to include the step of winding the film (2) to which the release paper 3 is attached to the roll (60).

The film 2 is preferably formed of PET (polyethylene terephthalate) or PVC (polyvinyl chloride) among synthetic resins. The desired design is printed on the surface of the film 2 formed in the form of a long lamination, and using the gravure printing technique as the printing method is preferable in terms of continuous work process and print quality. Then, an adhesive is applied to the printing surface of the film 2, and a release paper 3 is attached to the surface of the film to prevent the adhesive from sticking when the film is wound, and the film 2 having the release paper 3 attached thereto is attached. This is to prepare a film roll by winding the film roll 60.

When the design is printed on the surface of the film and the adhesive is applied thereon and the release paper is attached, the film laminating step will be described in more detail. As shown in FIG. 1, when the film 2 wound on the film roll 60 and the release paper 3 are unwound together, the film 2 is sandwiched between the two pressing rollers 51 and 52 of the laminating apparatus 50. The release paper is rewound in the release paper roll 61 while being separated from the film 2. At this time, the film 2 is laminated on the panel 1 by pressing the film 2 onto the surface of the panel 1 with the adhesive applied to the film 2.

In addition, it is preferable to further include the step of washing and drying the panel 1 before the step of positioning the panel 1 on the transfer roller 5. As shown in FIG. 1, the alignment device 30 described above is installed in front of the laminating device 50, and the washing device 10 and the drying device 20 are installed in this order in front of the alignment device 30. have. In the washing apparatus 10 and the drying apparatus 20, a plurality of conveying rollers 5 are arranged at regular intervals, so that the supplied panels 1 can be continuously transferred to the laminating apparatus 50.

One or more injection holes 11 are installed at the upper portion of the washing apparatus 10 to clean the surface of the panel 1 by spraying water or washing liquid. Subsequently, one or more heaters 21 are provided at the upper part of the drying apparatus 20, and by heating the panel 1 passing through the drying apparatus 20, water or washing liquid on the panels is evaporated and dried. The heater 21 may simply heat, but may further promote drying by blowing hot air.

In addition, after the film laminating step, it is preferable to further include the step of cutting the film (2) attached to the panel (1). The film 2 attached to two or more panels 1 is cut by a cutter (not shown) in the upper and lower directions of the panel, that is, the front and rear edges of the conveying direction. The panel with the cut film is applied to the back surface of the film and adhered to the outer surface of the home appliance.

The cutting step may cut only the film 2 but may also cut the panel 1 to which the film 2 is attached. In particular, when forming a panel having a complicated shape other than a rectangle, the panel may be formed to have such a shape from the beginning, but may be manufactured by cutting the film into a desired shape after attaching the film.

In addition, after the film roll preparation step, it is preferable that the plurality of panels 1 are continuously made from the panel washing and drying step to the film cutting step.

As shown in FIG. 1, after mounting a film roll 60 on which a certain length of film is wound, preparing a lamination, and supplying a plurality of panels 1 to the washing apparatus 10 at regular intervals, starting from washing After the drying is made in the drying apparatus 20, the alignment apparatus 30 including the controller 100, the sensor 110, the left and right alignment rollers 31, and the like, and the vertical alignment of the panel is made, the laminating apparatus At 50, the film is laminated to the panel, and finally, the panel according to the present invention is completed when the cutter cuts the film or cuts the film and the panel. All of these processes can be continuously performed as the controller 100 can control not only the driving control of the transfer rollers 5 but also the film roll 60 and the pressing rollers 51 and 52 together.

3 shows a view of a film roll 60 on which a film 2 on which a design with a repeating regular pattern is printed is wound. The illustrated design indicates that a design with a repeating orthogonal pattern is printed, and the design of the film attached to the panel after lamination is irrelevant to its position and does not affect the appearance even though the film needs to be left-right aligned but not vertically aligned. May not give. However, even in the case of a repeating regular pattern, the accurate vertical alignment can only print on the part attached to the panel, and further reduce the waste of the film.

4 is a view showing a film roll on which a film on which a design having an atypical discontinuous pattern is printed is wound. For designs in which discontinuous and atypical patterns are repeated at regular intervals, such as the illustrated design, the film must be attached so that the unit design on the film is in the correct position on the panel. Therefore, in addition to the left and right alignment of the panel, vertical alignment is necessary.

Although the preferred embodiment of the present invention has been described above, the scope of the present invention is not limited only to this specific embodiment, and those skilled in the art are appropriately within the scope described in the claims of the present invention. Changes will be possible.

1 is a schematic diagram showing a process sequence of a method for manufacturing a panel for attaching household appliances according to an embodiment of the present invention.

2 is a view showing that the film is laminated by positioning the panel in FIG. 1 and performing left and right alignment.

3 is a view showing a film roll on which a film on which a design having a repeating regular pattern is printed is wound.

4 is a view showing a film roll on which a film on which a design having an atypical discontinuous pattern is printed is wound.

<Description of the symbols for the main parts of the drawings>

1: panel

2: film

3: release paper

5: conveying roller

10: washing device

11: nozzle

20: drying device

21: burner

30: alignment device

31: left and right alignment roller

50: laminating device

51: upper pressing roller

52: lower pressing roller

60: film roll

61: release paper roll

100: controller

105: drive chain

110: sensor

120: Mark

Claims (7)

In the manufacturing method of the panel for attaching home appliances, the synthetic resin film is laminated, Preparing a film roll wound with a synthetic resin film; Forming a panel from glass or synthetic resin and positioning the panel on a plurality of transfer rollers; Detecting, by the sensor, a mark displayed at a predetermined interval on a surface of the film wound on the film roll; When the controller receives a detection signal of the mark from the sensor, the controller rotates the plurality of feed rollers by driving one or more drive chains to rotate the plurality of feed rollers after a precomputed time therefrom, thereby laminating the panel. Conveying between two pressing rollers of the apparatus; And And laminating the film on the panel such that the unit length of the film unwound from the film roll is attached to a fixed position on the panel. delete The method of claim 1, The panel conveying step further comprises the step of aligning the panel in which the left and right alignment rollers rotatably installed vertically on the conveying roller in the horizontal direction. The method of claim 1, The film roll preparation step, Printing a desired design on the surface of the resin film; Applying an adhesive to the printing surface of the film; Attaching release paper to the surface of the pressure-sensitive adhesive; And Method of manufacturing a panel for attaching household appliances, characterized in that it comprises the step of winding the film with the release paper attached to the roll. The method of claim 1, Before the step of positioning the panel on the transfer roller, Method for manufacturing a panel for attaching household appliances, characterized in that it further comprises the step of washing and drying the panel. The method of claim 5, After the film laminating step, The method of manufacturing a panel for attaching household appliances, further comprising cutting the film attached to the panel. The method of claim 6, After the film roll preparation step, Method for manufacturing a panel for attaching household appliances, characterized in that the plurality of panels are continuously made from the panel washing and drying step to the film cutting step.

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