KR102116798B1 - Molding device for curved glass and manufacturing method for curved glass - Google Patents

Abstract

Disclosed is an invention for a molding apparatus for curved glass and a method for manufacturing curved glass. The molding apparatus for curved glass of the present invention includes: a body support portion supporting a glass body of a glass raw material, an inclined support portion extending obliquely from the body support portion, and an inclined support portion facing the self-deflecting portion extending from the glass body, and an inclined support portion facing the body support portion Located on one side and characterized in that it comprises a heating unit for forming a curved glass by heating the connecting portion of the glass body and the self-deformation deformation portion.

Description

Molding device for curved glass and manufacturing method of curved glass {MOLDING DEVICE FOR CURVED GLASS AND MANUFACTURING METHOD FOR CURVED GLASS}

The present invention relates to a molding apparatus for curved glass and a manufacturing method of curved glass, and more particularly, to a molding apparatus for curved glass and a manufacturing method of curved glass capable of improving the formability of curved glass bent at a set angle. will be.

In general, curved glass is a glass formed to be curved to have a curved surface, and is widely applied to electronic devices including mobile phones, exterior walls of buildings, and interior design. The curved glass is molded using a jig device provided as a molding frame, and the jig device for forming the curved glass is generally divided into a concave type and a convex type.

Conventionally, when forming a curved glass that is bent at a set angle, there is a problem in that the product defect rate is increased because the curved glass is not bent at a set angle. Therefore, there is a need to improve this.

Background art of the present invention is published in Republic of Korea Patent Publication No. 2000-0066036 (published on November 15, 2000, the name of the invention: molding mold for manufacturing glass).

The present invention was created to improve the above problems, and an object of the present invention is to provide a molding apparatus for curved glass and a method of manufacturing curved glass capable of improving the formability of curved glass bent at a set angle. .

The molding apparatus for curved glass according to the present invention includes: a body support portion supporting a glass body of a glass raw material, an inclined support portion extending obliquely from the body support portion, and an inclined support portion facing the self-deformed deformation portion extending from the glass body, and an inclined support portion facing the body support portion It is located on one side of the characterized in that it comprises a heating unit for forming a curved glass by heating the connecting portion of the glass body and the self-deformation strain.

In addition, the present invention is characterized in that it is installed in a shape facing the body support with the glass body interposed therebetween, and further comprising a flow prevention part for restraining movement of the glass body.

In addition, the body support portion is characterized in that it supports the lower portion of the glass body and extends in the horizontal direction.

In addition, the inclined support portion is a plate shape extending downwardly inclined from the end of the body support portion, and the angle formed by the body support portion and the inclined support portion is characterized in that it corresponds to the angle formed by the glass body and the self-deformed deformation portion.

In addition, the heating unit is characterized in that it is installed in the width direction of the inclined support portion and heated by the supply of electrical energy.

In addition, the flow prevention portion is in the form of a plate parallel to the body support, and is characterized by constraining the vertical movement of the glass body.

The molding apparatus for curved glass according to the present invention includes: a body support portion supporting a glass body of a glass raw material, a variable support portion rotatably connected to the body support portion and facing a self-deflecting portion extending from the glass body and being installed downwardly, It is connected to the variable support part and is located on one side of the variable support part facing the drive part and the body support part operated by a control signal of the control part to rotate the variable support part at a set angle. It characterized in that it comprises a heating section.

In addition, the present invention is characterized in that it is installed in a shape facing the body support with the glass body interposed therebetween, and further comprising a flow prevention part for restraining movement of the glass body.

In addition, the body support portion is characterized in that it supports a lower portion of the glass body and extends in a horizontal direction.

In addition, the variable support is a plate shape that is rotatably connected to the end of the body support, and the angle formed by the body support and the variable support is changed by the operation of the driving unit.

In addition, the heating unit is installed in the width direction of the variable support, it is characterized in that the heater is heated by the supply of electrical energy.

In addition, the flow prevention portion is a plate shape parallel to the body support portion, and is characterized by constraining the vertical movement of the glass body.

The manufacturing method of the curved glass according to the present invention includes: a fixing step of fixing the glass body of the glass raw material, a heating step of heating the glass raw material by operating the heating unit, and a molding step of bending the self-deformation deformation part under the glass body It is characterized by.

In addition, it is characterized in that it further comprises a processing step of cutting the self-deformation part to a set length after the forming step.

In addition, in the forming step, the variable support portion positioned below the self-deformation deformation portion is characterized in that the installation angle is changed in response to the angle at which the self-weight change portion is bent.

In addition, the present invention is characterized in that it further comprises an adjustment step of adjusting the installation angle of the variable support portion by the operation of the driving unit prior to the heating step.

In addition, the present invention is characterized in that it further comprises a cutting step of cutting the glass raw material to a set size before the heating step.

The molding apparatus for curved glass and the manufacturing method of curved glass according to the present invention, heat the connecting portion of the glass body of the glass raw material and the self-deformation part by a heating part, and induce the bending of the self-deformation part in a downward inclined direction, thereby making the curved glass The moldability can be improved.

1 is a front view schematically showing a molding apparatus for curved glass according to an embodiment of the present invention.
2 is a front view showing a state in which the heating unit according to an embodiment of the present invention is operated and the self-deformation deformation unit is bent downward.
3 is a front view showing a state in which the end portion of the self-deformation deformation part according to an embodiment of the present invention is cut.
Figure 4 is a front view showing a curved glass according to an embodiment of the present invention.
5 is a front view schematically showing a molding apparatus for curved glass according to another embodiment of the present invention.
6 is a perspective view schematically showing a molding apparatus for curved glass according to another embodiment of the present invention.
7 is a perspective view showing a state in which the variable support is separated from the body support according to another embodiment of the present invention.
8 is a front view showing a state in which the variable support is rotated according to another embodiment of the present invention.
9 and 10 is a front view showing a state in which the installation angle is variable according to the bending angle of the self-deformation of the variable support according to another embodiment of the present invention.
11 is a flowchart illustrating a method of manufacturing a curved glass according to an embodiment of the present invention.

Hereinafter, a molding apparatus for curved glass and a manufacturing method of curved glass according to an embodiment of the present invention will be described with reference to the accompanying drawings. In this process, the thickness of the lines or the size of components shown in the drawings may be exaggerated for clarity and convenience.

In addition, terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to a user's or operator's intention or practice. Therefore, the definition of these terms should be made based on the contents throughout the present specification.

1 is a front view schematically showing a molding apparatus for curved glass according to an embodiment of the present invention, and FIG. 2 is a front view showing a state in which a heating unit according to an embodiment of the present invention is operated and the self-deformation bending part is bent downward. 3 is a front view showing a state in which an end portion of a self-deformation deformation part is cut according to an embodiment of the present invention, and FIG. 4 is a front view showing a curved glass according to an embodiment of the present invention.

1 to 4, the molding apparatus 1 for curved glass according to an embodiment of the present invention includes a body support 30 for supporting the glass body 12 of the glass raw material 10, Inclined from the body support portion 30 and extends obliquely from the glass body 12, the inclined support portion 40 facing the self-deformation portion 14, and the body support portion 30 is located on one side of the inclined support portion 40 And the heating body 50 for forming the curved glass 20 by heating the connecting portion of the glass body 12 and the self-deformation part 14, and facing the body support portion 30 with the glass body 12 therebetween It is installed in a shape and includes a flow preventing portion 60 for restraining the movement of the glass body 12.

The glass raw material 10 is plate-shaped glass for molding into curved glass 20. The glass raw material 10 according to an embodiment includes a flat-shaped glass body 12 in which bending deformation does not occur, and a self-weight deforming part 14 extending from the glass body 12. The connecting portion of the glass body 12 and the self-deformation deformation part 14 has a shape bent by the self-weight of the self-deformation deformation part 14 in a state heated by heating of the heating part 50.

The length of the self-deformation deformation part 14 is deformed within the technical idea to have more than the weight set for self-weight molding, and is formed to be longer than the length of the curved glass 20 in the direction to bend by molding.

After the glass raw material 10 having a flat shape is processed in the molding apparatus 1 for curved glass, the curved glass 20 bent at a set angle is formed.

The body support portion 30 may be formed in various shapes within the technical idea of supporting the lower portion of the glass body 12. The body support part 30 according to an embodiment supports a lower portion of the glass body 12 and is in a plate shape extending in a horizontal direction.

The inclined support portion 40 extends downwardly from the body support portion 30 and is installed in a shape facing the self-deformed deformation portion 14 extending from the glass body 12. The inclined support portion 40 according to an embodiment is a plate shape extending downwardly from an end of the body support portion 30, and the angle formed by the body support portion 30 and the inclined support portion 40 is the weight of the glass body 12 and its own weight. Corresponds to the angle formed by the deformable portion 14.

For example, when the angle between the molded glass body 12 and the self-deformation part 14 is set to 20 degrees, the angle formed by the body support portion 30 and the inclined support portion 40 is also set to about 20 degrees.

The heating part 50 is located on one side of the inclined support part 40 facing the body support part 30, and heats the connecting parts of the glass body 12 and the self-deformation part 14 to form the curved glass 20. Various types of heating devices can be used within the technical idea. The heating unit 50 according to an embodiment is installed in the width direction of the inclined support unit 40 and is heated by the supply of electric energy to heat the connecting portion of the glass body 12 and the self-deformation deformation unit 14. The heating part 50 is located inside the inclined support part 40 facing the body support part 30, and heats the glass raw material 10 located above the inclined support part 40. The heating unit 50 is gradually heated to a temperature capable of forming a glass.

The flow prevention portion 60 is installed in a shape facing the body support portion 30 with the glass body 12 interposed therebetween, and may be formed in various shapes within the technical idea of restraining the movement of the glass body 12. The flow prevention part 60 according to an embodiment is in the shape of a plate parallel to the body support part 30 and restrains the vertical movement of the glass body 12.

The glass body 12 of the glass raw material 10 is placed on the upper side of the body support portion 30, and the flow prevention portion 60 is installed on the upper side of the glass body 12. The flow prevention portion 60 is installed in a fixed state, or is moved to the upper side of the glass body 12 in a state where the glass body 12 is placed on the body support 30 to restrain the vertical movement of the glass body 12 You can. The flow prevention unit 60 may be connected to various moving means, including a robot arm, to move.

As shown in FIG. 1, in a state in which the glass body 12 of the glass raw material 10 is fixed between the body support part 30 and the flow prevention part 60, the heating part 50 is operated to operate the glass body ( 12) The connection part of the self-deformation deformation part 14 is heated. And, as shown in Figure 2, the self-deformation part 14 is bent downward by the self-weight of the self-deformation deformation part 14 and cured in a state in contact with the inclined support part 40. And as shown in Figures 3 and 4, the end of the self-deformation deformation portion 14 is cut to a set length to form the curved glass 20.

Hereinafter, a molding apparatus 3 for curved glass according to another embodiment of the present invention will be described with reference to the drawings.

For convenience of description, components having the same configuration and operation as one embodiment of the present invention are referred to by the same reference numerals, and detailed description thereof will be omitted.

5 is a front view schematically showing a molding apparatus for curved glass according to another embodiment of the present invention, Figure 6 is a perspective view schematically showing a molding apparatus for curved glass according to another embodiment of the present invention, Figure 7 Is a perspective view showing a state in which the variable support is separated from the body support according to another embodiment of the present invention, Figure 8 is a front view showing a state in which the variable support is rotated according to another embodiment of the present invention, Figure 9 and 10 is a front view showing a state in which the installation angle is variable according to the bending angle of the variable supporting portion of the self-deformation deformation unit according to another embodiment of the present invention.

5 to 10, the molding apparatus 3 for curved glass according to another embodiment of the present invention includes a body support 30 for supporting the glass body 12 of the glass raw material 10, The variable support part 70 rotatably connected to the body support part 30 and facing the self-deformation deformation part 14 extending from the glass body 12 and being inclined downward, and connected to the variable support part 70 and controlling part 80 ) Is driven by the control signal of the drive unit 90 for rotating the variable support unit 70 at a set angle, and the body support unit 30 is located on one side of the variable support unit 70 facing the glass body 12 and its own weight It is installed in a shape facing the body support part 30 with the heating part 50 and the glass body 12 interposing the heating part 50 by heating the connecting portion of the deforming part 14, and the glass body 12 ) It includes a flow preventing portion 60 for restraining the movement.

The rotating support member 32 protruding from the end facing the variable support portion 70 has a pipe shape with both sides open. The connecting members 72 protruding from the variable supporting portion 70 facing the body supporting portion 30 are located on both sides of the rotating supporting member 32, and a hole communicating with the rotating supporting member 32 is provided inside. The heating unit 50 is installed through the connecting member 72 and the rotation supporting member 32, and is heated by the control signal of the control unit 80.

Since the heating unit 50 is installed through the connecting member 72 and the rotating supporting member 32 in a state where the rotating supporting member 32 and the connecting member 72 communicate with each other, the variable supporting unit 70 is a heating unit It is rotated around 50. The heating unit 50 has a pipe shape, and an electric heating wire heated by supply of electricity is installed inside.

The variable support portion 70 is a plate shape rotatably connected to the end of the body support portion 30, and the angle formed by the body support portion 30 and the variable support portion 70 is changed by the operation of the driving portion 90.

The driving unit 90 operated by the control signal of the control unit 80 can be variously modified within the technical idea of rotating the variable support unit 70 at a set angle. The driving unit 90 according to an embodiment includes a fixing bracket 92, a motor member 94, a driving shaft 96 and a connecting bracket 98.

One side of the fixing bracket 92 is connected to the body support 30 or a separate fixing structure, and the other side of the fixing bracket 92 is connected to the motor member 94. Therefore, the fixed bracket 92 and the motor member 94 can maintain a fixed state. The driving shaft 96 extending from the motor member 94 is connected to the connecting bracket 98 so that the connecting bracket 98 can be rotated together with the driving shaft 96. Alternatively, the drive shaft 96 is directly connected to the variable support portion 70 and the variable support portion 70 may be rotated together with the drive shaft 96.

The connection bracket 98 is provided with a plurality of projections, and the projections of the connection bracket 98 are connected to the connection member 72 of the variable support portion 70 so that the connection bracket 98 and the connection member 72 are rotated together. .

As shown in FIG. 5, in a state in which the glass body 12 of the glass raw material 10 is fixed between the body support 30 and the flow prevention part 60, the heating part 50 is operated and the glass body ( 12) The connection part of the self-deformation deformation part 14 is heated. And as shown in Figure 9, the self-deformation part 14 is bent downward by the self-weight of the self-deformation deformation part 14, and is cured in a state in contact with the variable support part 70. Then, the end portion of the self-deformation deformation portion 14 is cut to a predetermined length to form the curved glass 20. At this time, the angle that the variable support part 70 forms with the body support part 30 can be adjusted by the operation of the driving part 90.

Hereinafter, a method of manufacturing the curved glass 20 according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

11 is a flowchart illustrating a method of manufacturing a curved glass according to an embodiment of the present invention.

11, the manufacturing method of the curved glass 20 according to an embodiment of the present invention has a cutting step (S10) for cutting the glass raw material 10 to a set size.

And, as shown in Figures 1, 5 and 11, it has a fixing step (S20) for fixing the glass body 12 of the glass raw material (10). The glass body 12 may be inserted and fixed between the gap between the body support 30 and the flow prevention part 60, and the flow prevention part 60 in the state where the glass body 12 is placed on the upper side of the body support 30 ) Is moved to the upper side of the glass body 12 to restrict the vertical movement of the glass body 12.

And it has a heating step (S40) for operating the heating unit 50 to heat the glass raw material (10). The heating part 50 heats the connection part of the glass body 12 and the self-deformation deformation part 14.

And, as shown in Figures 2, 9, 10 and 11, it has a molding step (S50) of the self-deformation deformation portion 14 is bent to the lower side of the glass body (12). The connecting portion of the glass body 12 and the self-deformation deformation part 14 is ductile by heating of the heating part 50, and the end of the glass raw material 10 is lowered by the self-weight of the self-deformation part 14 Bends obliquely. The self-deformation deformable portion 14 is in contact with the upper side of the inclined support portion 40 or the variable support portion 70, and the inclination angle to bend is adjusted.

And after the forming step (S50) has a processing step (S60) for cutting the self-deformation deformation portion 14 to a predetermined length.

In addition, in the forming step (S50), the variable support portion 70 located at the lower side of the self-deformation deformation portion 14, as shown in FIG. 8, the installation angle is changed in response to the angle at which the self-deformation deformation portion 14 is bent. Since it can be molded in a variety of shapes, the curved glass 20 can be formed.

In addition, the manufacturing method of the curved glass 20 according to an embodiment of the present invention, an adjustment step (S30) for adjusting the installation angle of the variable support portion 70 by the operation of the driving unit 90 before the heating step (S40) It may further include. The driving unit 90 is operated by the control signal of the control unit 80 to change the installation angle of the variable support unit 70. When the control signal of the control unit 80 is transmitted to the motor member 94 which is a servo motor, the drive shaft 96 of the motor member 94 is rotated. The driving shaft 96 rotates the connecting bracket 98, and the connecting bracket 98 rotates the connecting member 72 of the variable supporting part 70, so that the installation angle of the variable supporting part 70 can be precisely adjusted. Accordingly, the installation angle of the variable support portion 70 can be precisely set in advance in response to the self-deformation deformation portion 14 that is bent at various angles.

As described above, according to the present invention, the connection portion between the glass body 12 and the self-deformation part 14 of the glass raw material 10 is heated by the heating part 50 so that the self-deformation part 14 is inclined downward. By inducing bending in the direction, it is possible to improve the formability of the curved glass 20.

In addition, since the present invention performs a cutting process after molding the product, it is possible to more accurately manage the dimensions of the product. In addition, the present invention can reduce the mold cost because the curved glass 20 having various bending angles can be formed by a single mold.

The present invention has been described with reference to the embodiment shown in the drawings, but this is only exemplary, and those skilled in the art to which the art belongs understand that various modifications and other equivalent embodiments are possible therefrom. will be. Therefore, the true technical protection scope of the present invention should be defined by the claims below.

1,3: Forming device for curved glass
10: glass raw material 12: glass body
14: self-deformation deformation part 20: curved glass
30: body support 32: rotating support member
40: inclined support portion 50: heating portion
60: flow prevention portion 70: variable support portion
72: connecting member 80: control unit
90: driving unit 92: fixing bracket
94: motor member 96: drive shaft
98: connecting bracket
S10: Cutting step S20: Fixing step S30: Adjusting step
S40: heating step S50: forming step S60: processing step

Claims (17)

delete delete delete delete delete delete A body support portion supporting a glass body of a glass raw material, a rotatably connected to the body support portion, a variable support portion installed to be inclined downward facing the self-deformed deformation portion extending from the glass body, and connected to the variable support portion, a control unit It is operated by the control signal of the driving unit for rotating the variable support at a set angle, and is located on one side of the variable support facing the body support, heating the connecting portion of the glass body and the self-deformation part to heat the curved glass It includes a heating part to mold,
The drive part includes a fixed bracket, a motor member, a drive shaft and a connection bracket, one side of the fixed bracket is connected to the body support part or a separate fixed structure, and the other side of the fixed bracket is connected to the motor member,
The drive shaft extending from the motor member is connected to the connection bracket and rotated together, and the drive shaft is connected to the variable support and rotated together, and the connection bracket is provided with a plurality of projections, and the projection of the connection bracket is Forming device for curved glass characterized in that it is connected to the connecting member of the variable support.
The method of claim 7,
It is installed in a shape facing the body support with the glass body interposed therebetween, and a flow preventing part for restraining the movement of the glass body.
The method of claim 8, wherein the body support,
Supporting the lower portion of the glass body, the molding device for curved glass, characterized in that the plate shape extending in the horizontal direction.
The method of claim 8, wherein the variable support,
It is a plate shape that is rotatably connected to the end of the body support, and the angle formed between the body support and the variable support is changed by the operation of the driving part.
The method of claim 8, wherein the heating unit,
The molding device for curved glass, which is installed in the width direction of the variable support, and is a heater heated by supply of electric energy.
According to claim 8, The flow prevention unit,
It is a plate shape in parallel with the body support, and the molding device for curved glass characterized in that it restrains the vertical movement of the glass body.
A fixing step of fixing the glass body of the glass raw material, a heating step of heating the glass raw material by operating a heating unit, and a forming step of bending the self-weight deformation portion extending from the glass body to the lower side of the glass body,
Before the heating step further includes an adjustment step of adjusting the installation angle of the variable support which is installed to be inclined downward by the operation of the driving unit, wherein the adjustment step is the control unit's control signal to operate the driving unit to operate the installation angle of the variable support When the control signal of the control unit is transmitted to the motor member, the drive shaft of the motor member is rotated, the drive shaft rotates the connection bracket, and the connection bracket rotates the connection member of the variable support,
In the forming step, the variable support portion is located under the self-deformation deformation portion, and the variable support portion is a method of manufacturing a curved glass characterized in that the installation angle is changed in response to the angle at which the self-deformation deformation portion is bent.
The method of claim 13,
After the forming step, the processing step of cutting the self-deformation deformation portion to a set length; Method of manufacturing a curved glass further comprising.
delete delete The method of claim 13,
Method of manufacturing a curved glass further comprising; cutting step of cutting the glass raw material to a set size before the heating step.

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