KR102678295B1 - The apparatus for manufacturing a vacuum glass and method for manufacturing a vacuum glass using the same - Google Patents

Abstract

The present invention relates to a vacuum glass manufacturing apparatus that joins the edges of first and second glasses facing each other with a plurality of support pillars in between, and a vacuum glass manufacturing method using the same, including a housing in which a forming chamber is formed, and the forming. A heating unit that applies microwaves to the chamber, a vacuum module that creates a vacuum atmosphere in the forming chamber, an elevating plate positioned to be elevated in the forming chamber, a support plate facing the elevating plate in the forming chamber, the elevating plate and A first heating and pressing unit and a second heating and pressing unit located between the support plates and facing the laminated first glass and the second glass, and capable of heating and partially pressing the first glass and the second glass. Includes wealth.
A portion of the first heating and pressing portion is in contact with an edge of the first glass, a portion of the second heating and pressing portion is in contact with an edge of the second glass, and the edges of the first glass and the second glass are aligned with the lifting and pressing portion. As the plate rises, it is heated and pressed by a portion of the first heating and pressing portion and the second heating and pressing portion and are joined to each other.

Description

Vacuum glass manufacturing device and vacuum glass manufacturing method using the same {THE APPARATUS FOR MANUFACTURING A VACUUM GLASS AND METHOD FOR MANUFACTURING A VACUUM GLASS USING THE SAME}

The present invention relates to a vacuum glass manufacturing apparatus and a vacuum glass manufacturing method using the same.

Generally, vacuum glass is used for building windows for insulation purposes. Vacuum glass consists of two overlapping sheets of glass facing each other at a distance, and the space between them is tightly coupled to each other while remaining sealed from the outside.

Therefore, vacuum glass has the characteristic of having superior soundproofing, windproofing, and heat dissipation effects compared to ordinary glass composed of a single layer of glass by allowing the air layer inside it to act as a medium.

Referring to Figure 7, the vacuum glass 1 is manufactured by bonding the first glass 3 and the second glass 2 to form a vacuum portion inside and sealing the edges with a sealing material 4. Inside, support pillars 5 are disposed to fix the positions of the first glass 3 and the second glass 2.

In the manufacturing process of this vacuum glass, a process of loading the upper and lower plates and then bonding them is performed. That is, after fixing the upper and lower plates with clips, it is completed through a sealing step and an exhaust step. The sealing step is a step of joining the upper and lower plates through a heat treatment process and hardening the sealing material. The exhaust step is a step in which the inside of the upper and lower plates are formed into a vacuum state and sealing (7) is performed to maintain the vacuum state.

Since each process must be performed while moving the vacuum glass structure to each process location, not only does the process time become longer, but there is also a problem in that process costs are high due to the large heat loss between processes.

Republic of Korea Patent No. 10-1959167 (2019.03.11.) Republic of Korea Patent No. 10-1081390 (2011.11.02.)

The present invention provides a vacuum glass manufacturing apparatus using microwaves and a vacuum glass manufacturing method using the same.

A vacuum glass manufacturing apparatus according to an embodiment of the present invention combines the edges of first glass and second glass facing each other with a plurality of support pillars in between, and includes a housing with a forming chamber, and a micro A heating unit that applies a wave, a vacuum module that creates a vacuum atmosphere in the forming chamber, an elevating plate positioned to be elevated in the forming chamber, a support plate facing the elevating plate in the forming chamber, the elevating plate and the support plate. It is located between and faces the laminated first glass and the second glass, and includes a first heating and pressing unit and a second heating and pressing unit capable of heating the first glass and the second glass and pressing a portion thereof. .

A portion of the first heating and pressing portion is in contact with an edge of the first glass, a portion of the second heating and pressing portion is in contact with an edge of the second glass, and the edges of the first glass and the second glass are aligned with the lifting and pressing portion. As the plate rises, the first heating and pressing part and a portion of the second heating and pressing part may be heated and pressed and joined to each other.

The first heating and pressing unit may include a heat insulating member disposed on the lifting plate, a heat generating member disposed on the heat insulating member, and a pressure bar disposed along an edge of the heat generating member and in contact with an edge of the first glass. there is.

The second heating and pressing part includes a heating member facing the second glass, an insulating member disposed on the upper surface of the heating member and facing the support plate, and a heat-generating member that protrudes from the edge of the lower surface of the heating member and comes into contact with the edge of the second glass. It may include a pressurizing bar.

The first heating and pressing part may further include a stopping protrusion that protrudes from the pressing bar and comes into contact with the circumference of the first glass.

The heating member and the pressure bar may be made of carbon or silicon carbide (SiC).

The vacuum module can set the vacuum degree of the forming chamber to 10 ^-6 torr to 10 ^-4 torr.

The first heating and pressing unit and the second heating and pressing unit may be heated to 100°C to 600°C by the heating unit.

The vacuum glass manufacturing apparatus may further include a lifting driving unit capable of moving the lifting plate in a straight line.

A vacuum glass manufacturing method according to an embodiment of the present invention includes the steps of arranging the edge of the first glass to be in contact with the pressure bar of the first heating and pressing part, arranging a support pillar on the first glass and arranging the second glass, Arranging a second heating and pressing part on the second glass so that the pressure bar is in contact with an edge of the second glass, the first heating and pressing part facing each other with the first glass and the second glass in between, and the second heating Placing the pressurizing unit on the lifting plate of the forming chamber, heating the first heating and pressing unit and the second heating and pressing unit by introducing microwaves into the forming chamber using a heating unit connected to the forming chamber, heating the first heating and pressing unit and the second heating and pressing unit. Vacuuming by exhausting the glass, heating the first and second heating and pressing parts by operating the heating unit in the vacuum atmosphere of the forming chamber, repeating heating and vacuuming so that the first glass and the second glass are in a transition state. A step of bonding the edges of the first glass and the second glass by pressing the edges of the first glass and the second glass with the first heating and pressing unit and the second heating and pressing unit, respectively, and bonding the edges of the first glass and the second glass to each other. and cooling the first glass and the second glass.

In the heating step, the first heating and pressing unit and the second heating and pressing unit may be heated to 100°C to 600°C by the heating unit.

In the contacting step, the lifting plate moves linearly from the bottom of the molding chamber to the upper side of the molding chamber where the support plate is disposed due to the operation of the lifting driving unit, and the second heating and pressing unit contacts the support plate, and the lifting driving unit continuously operates. The edges of the first glass and the second glass are joined by being pressed by the pressure bars of the first heating and pressing section and the second heating and pressing section, and the heating member of the first heating and pressing section and the second heating and pressing section is Heat can be uniformly applied to the first glass and the second glass by separating the surfaces of the first glass and the second glass at an interval without pressing them.

According to an embodiment of the present invention, the first glass and the second glass are heated by microwaves in the forming chamber, and at this time, the first glass and the second glass are heated uniformly throughout by a heating member such as carbon or silicon carbide, thereby forming a pin hole. , microcracks do not occur. This has the effect of improving the stability of vacuum glass.

According to an embodiment of the present invention, bonding is achieved when a pressure bar presses the first glass and the second glass in a transition state. Accordingly, since the vacuum glass manufacturing process is carried out through a single manufacturing device, the process time can be shortened and heat loss between processes can be prevented, thereby minimizing the cost of the vacuum glass manufacturing process, which is economically effective.

1 is a schematic diagram showing a vacuum glass manufacturing apparatus according to an embodiment of the present invention.
Figure 2 is an enlarged view of portion A of Figure 1.
Figure 3 is a flow chart showing a vacuum glass manufacturing method according to an embodiment of the present invention.
Figure 4 is a schematic diagram showing a state in which the edges of the first and second glasses of Figure 2 are joined.
Figure 5 is a photograph showing vacuum glass in which the edges of the first and second glasses are joined.
Figure 6 is a micrograph showing the joined portion of Figure 5.
Figure 7 is a schematic diagram showing a conventional vacuum glass.

Hereinafter, embodiments of the present invention will be described in detail with reference to the attached drawings so that those skilled in the art can easily implement the present invention. However, the present invention may be implemented in many different forms and is not limited to the embodiments described herein. Throughout the specification, similar parts are given the same reference numerals.

Next, a vacuum glass manufacturing apparatus according to an embodiment of the present invention will be described with reference to FIGS. 1 and 2.

Figure 1 is a schematic diagram showing a vacuum glass manufacturing apparatus according to an embodiment of the present invention, and Figure 2 is an enlarged view of portion A of Figure 1.

First, referring to FIG. 1, the vacuum glass manufacturing apparatus 100 according to this embodiment includes a housing 110, a heating unit 120, a vacuum module 130, an elevation plate 140, a support plate 160, It includes a first heating and pressing unit 170 and a first heating and pressing unit 180, and heats and presses the first glass 2 and the second glass 3 using microwaves to join them. The vacuum glass manufacturing apparatus 100 according to this embodiment may further include an elevation driving unit 150.

A molding chamber 111 is formed inside the housing 110. An open hole (not shown) is formed in the housing 110 to open the molding chamber 111. The open hole is formed so that one side of the housing 110 is entirely open. A door is installed in the open hall. With the door opening the opening hole, the laminated first glass 2 and second glass 3 can be accommodated in the forming chamber 111. `

The housing 110 and the door may be made of stainless steel. In addition, heat insulating members (not shown) are disposed on the inner perimeter and door of the housing 110 to prevent heat from the forming chamber 111 from being conducted to the outside of the housing 110.

The housing 110 is formed with an exhaust hole 113 connected to the forming chamber 111 and at least one microwave inlet hole 112.

The heating unit 120 includes a waveguide 121 and a magnetron (not shown) and is arranged in plural numbers in the housing 110.

The waveguide 121 has an open interior on one side and is disposed around the microwave inlet hole 112 on the outside of the housing 110. The inside of the waveguide 121 is connected to the forming chamber 111 through the microwave inlet hole 112. The waveguide 121 may be coupled to the housing 110 in various ways, such as rivets, bolts, or welding. The material of the waveguide 121 is the same as that of the housing 110.

The magnetron is disposed in the waveguide 121 and can generate electromagnetic waves (microwaves or microwaves) of 300 MHz to 300 GHz. Microwaves may flow into the forming chamber 111 through the waveguide 121 and the microwave inlet hole 112. As the detailed structure of the magnetron may be a widely known magnetron configuration, description of the detailed structure will be omitted below.

The vacuum module 130 is connected to the forming chamber 111 through the exhaust hole 113. The vacuum module 130 can exhaust air from the forming chamber 111 to form the forming chamber 111 in a vacuum state. The vacuum degree of the forming chamber 111 may be 10 ^-6 torr to 10 ^-4 torr. The vacuum degree may be 10 ^-5 torr. If the vacuum degree is less than 10 ^-6 , it takes a long time to form a vacuum, and it takes a long time to raise the temperature in the repeated process (heating and vacuum formation). And if the vacuum degree exceeds 10 ^-4 , damage to the chamber, heating element, or glass may occur due to arc or plasma generation.

As the detailed structure of the vacuum module 130 may be a well-known vacuum pump configuration, description of the detailed structure will be omitted below.

The lifting plate 140 is located at the bottom of the forming chamber 111 and is arranged to be raised and lowered. A portion of the outer circumference of the lifting plate 140 is in contact with the inner circumference of the housing 110. Due to the contact portion, the lifting plate 140 can move in a straight line without shaking in the forming chamber 111. However, the outer perimeter of the lifting plate 140 may be spaced apart from the inner perimeter of the housing 110.

The lifting drive unit 150 is disposed on the outside of the housing 110, and a portion of it penetrates the bottom of the housing 110 and is connected to the lifting plate 140. The lifting drive unit 150 provides power so that the lifting plate 140 can move in a straight line. The lifting drive unit 150 may be composed of a lead ball screw, a motor, or an electric cylinder.

The support plate 160 is located on the ceiling of the forming chamber 111 and faces the lifting plate 140 at an interval. The support plate 160 is coupled to the inner circumference of the housing 110 and does not move. When the lifting plate 140 is raised by the lifting driving unit 150, it approaches the support plate 160. However, when the lifting plate 140 descends, it moves away from the support plate 160.

The first heating and pressing unit 170 is disposed on the lifting plate 140, and the first heating and pressing unit 180 includes the first glass 2 and the second glass 3 placed on the first heating and pressing unit 170. It faces the first heating and pressurizing part 170 with the in between. In a state in which the lifting plate 140 is lowered, the first heating and pressurizing portion 180 is facing away from the support plate 160.

The first heating and pressing unit 170 includes an insulating member 171, a heating member 172, and a pressing bar 173. The first heating and pressing portion 170 may further include a locking protrusion 174.

The insulation member 171 is disposed on the lifting plate 140. The heat generating member 172 is disposed on the heat insulating member 171. The heating member 172 may be made of carbon or silicon carbide (SiC). The material of the heating member 172 is not limited to carbon or silicon carbide. The heating member 172 may be made of various materials with excellent heat generating properties.

The heating member 172 may generate heat by microwaves introduced from the heating unit 200 into the forming chamber 111. The heating member 172 may generate heat at 100°C to 600°C. The heating temperature of the heating member 172 may be 200°C. The heating temperature of the heating member 172 may be 130°C to 165°C.

If the heating temperature of the heating member 172 is less than 100°C, the transition temperature of the first glass 2 is not reached, and if it exceeds 600°C, the first glass 2 is in the transition state and the surface is not flat. Deformation may occur.

At this time, the insulation member 171 can block the radiant heat of the heating member 172. Accordingly, the heat of the heating member 172 can be blocked from moving in the direction of the lifting plate 140.

The pressure bar 173 is formed along the edge of the upper surface of the heating member 172, has a preset width, and protrudes vertically in the direction of the support plate 160. The material of the pressure bar (173) is the same as that of the heating member (172). Accordingly, the pressure bar 173 may also generate heat by microwaves.

The pressure bar 173 supports the edge of the lower surface of the first glass 2, and the heating member 172 faces the lower surface of the first glass 2 at a distance. Heat from the heating member 172 can be uniformly applied to the first glass 2 through radiation and conduction. The pressure bar 173 can directly apply heat to the edge of the first glass 2. Accordingly, the first glass 2 may be in a transition state as a whole.

Meanwhile, referring to Figure 2, the pressing bar 173 is formed with a stopping protrusion 174 in contact with the circumference of the first glass 2. The locking protrusion 174 is formed along the pressure bar 173. The first glass 2 can be maintained in a fixed state without moving on the pressure bar 173 by the locking protrusion 174. And the portion of the pressure bar 173 that is not in contact with the first glass 2 is formed in multiple stages.

The first heating and pressing unit 180 includes an insulating member 181, a heating member 182, and a pressing bar 183. A locking protrusion 184 in contact with the circumference of the second glass 3 is formed in the first heating and pressing portion 180. And the portion of the pressure bar 183 that is not in contact with the second glass 3 is formed in multiple stages. The insulation member 181, heating member 182, pressure bar 183, and locking step 184 of the first heating and pressing unit 180 are the insulation member, heating member, and pressing bar of the first heating and pressing unit 170. Since it has the same composition and effect as the locking step, redundant description will be omitted.

The pressure bar 183 is in contact with the upper edge of the second glass 3. The heating member 182 faces the upper surface of the second glass 3 at a distance. The insulating member 181 is disposed on the heating member 182 and faces the support plate 160. When the lifting plate 140 is lowered, the heating member 182 is separated from the support plate 160, and when the lifting plate 140 is raised, the heating member 182 can be in contact with the support plate 160.

The heat of the heating member 182 can be uniformly applied to the second glass 3 through radiation and conduction. The pressure bar 183 can directly apply heat to the edge of the second glass 3. Accordingly, the second glass 3 may be in a transition state.

When the lifting plate 140 is raised by the lifting driving unit 150 in a transition state between the first glass 2 and the second glass 3, the first heating and pressing unit 180 comes into contact with the support plate 160. At this time, the pressure bars 173 and 183 press the edges of the first glass 2 and the second glass 3. The multiple stages of the pressure bars 173 and 183 are in contact with each other, and the edges of the first glass 2 and the second glass 3 can also be joined by contacting each other. The interior of the first glass 2 and the second glass 3 is spaced apart by a support pillar, and a vacuum may be created between them.

Next, with further reference to FIGS. 3 and 4 , a method of manufacturing vacuum glass using the vacuum glass manufacturing apparatus according to the embodiment of FIGS. 1 and 2 will be described.

Figure 3 is a flowchart showing a vacuum glass manufacturing method according to an embodiment of the present invention, and Figure 4 is a schematic diagram showing a state in which the edges of the first and second glasses of Figure 2 are joined.

First, referring to FIG. 3, the vacuum glass manufacturing method according to this embodiment includes the steps of placing the first glass on which the support pillar is arranged in the first heating and pressing unit (S10), and placing the second glass on the first glass. Step (S20), arranging the second heating and pressing unit on the second glass (S30), arranging the first heating and pressing unit and the second heating and pressing unit on the lifting plate of the forming chamber (S40), first heating and pressing unit and a step of heating the second heating and pressing unit (S50), a step of vacuuming the forming chamber (S60), a step of heating the first heating and pressing unit and the second heating and pressing unit in a vacuum atmosphere (S80), the first glass and the second heating and pressing unit. 2 A step of repeating heating and vacuum to achieve a transition state of glass (S70), a step of bonding the edges of the first glass and the second glass (S90), and a step of cooling the bonded first glass and the second glass (S100) ) includes.

Prepare a first glass (2) and a second glass (3) having a preset thickness and area. The specifications of the first glass 2 and the second glass 3 may vary depending on the design of the vacuum glass. On the upper surface of the first glass 2, support pillars 5 are arranged at intervals.

The first glass 2 is placed in the first heating and pressing unit 170 so that the lower edge of the first glass 2 is supported by the pressing bar 173 of the first heating and pressing unit 170. As the circumference of the first glass 2 comes into contact with the locking protrusion 174, the first glass 2 is seated on the pressure bar 173 and is fixed to the first heating and pressing portion 170 (S10). The heating member 172 faces the lower surface of the first glass 2.

The second glass 3 is stacked on the first glass 2, and at this time, the first glass 2 and the second glass 3 are maintained spaced apart by the support pillar 5. The support pillar 5 may be made of the same material as the first glass 2 and the second glass 3 (S20). However, the support pillar 5 can be made of an insulator with low heat conductivity, such as zirconia or alumina.

The first heating and pressing unit 180 is placed on the second glass 3, and the pressing bar 173 of the first heating and pressing unit 180 is placed in contact with the upper edge of the second glass 3 (S30) ). The heating member 182 faces the upper surface of the second glass (3).

In a state where the lifting plate 140 is lowered from the forming chamber 111 and located on the floor, the first heating and pressing unit 170 and the first heating press face each other across the first glass 2 and the second glass 3. The pressing part 180 is placed in the forming chamber 111 and placed on the lifting plate 140. The insulating member 171 of the first heating and pressing unit 170 is in contact with the lifting plate 140, and the insulating member 181 of the first heating and pressing unit 180 faces the support plate 160 at a distance ( S40).

The heating unit 120 is operated to generate microwaves. Microwaves may flow into the forming chamber 111 through the waveguide 121 and the microwave inlet hole 112. The heating members 172 and 182 of the forming chamber 111 may be heated by microwaves. At this time, the heating members 172 and 182 can be uniformly heated throughout due to the properties of carbon or silicon carbide (SiC).

The heat of the heating members 172 and 182 is uniformly applied to the surfaces of the first glass 2 and the second glass 3, so that the first glass 2 and the second glass 3 are heated uniformly without deviation. It can be. In addition, the edges of the first glass 2 and the second glass 3 where the pressure bars 173 and 183 are in direct contact can also be uniformly heated. At this time, the heating unit 120 may increase the temperature of the heating members 172 and 182 until the heating members 172 and 182 reach the target temperature for transitioning the first glass 2 and the second glass 3. there is. The heating members 172 and 182 may apply heat of 100°C to 500°C so that the first glass 2 and the second glass 3 can be transferred. The temperature of the heating members 172 and 182 may vary depending on the thickness of the first glass 2 and the second glass 3 (S50).

When the temperature of the heating members 172 and 182 reaches the target temperature, the vacuum module 130 operates and exhausts air from the forming chamber 111 to form the forming chamber 111 in a vacuum state (vacuum atmosphere). At this time, the vacuum degree of the forming chamber 111 may be 10 ^-6 torr to 10 ^-4 torr. The vacuum degree may be 10 ^-5 torr (S60). When the forming chamber 111 is in a vacuum state, the space between the first glass 2 and the second glass 3 is also in a vacuum state.

Meanwhile, when the vacuum module 130 operates, the heating unit 120 stops operating. Accordingly, the temperature of the heating members 172 and 182 that maintained the target temperature may become lower than the target temperature. At this time, if the vacuum level of the forming chamber 111 is outside the range of 10 ^-4 torr, the vacuum module 130 operates to exhaust the air from the forming chamber 111 to maintain the vacuum level of the forming chamber 111. Then, the vacuum module 130 is stopped and the heating members 172 and 182 are heated by the operation of the heating unit 120, thereby heating the surfaces of the first glass 2 and the second glass 3.

However, when the vacuum degree of the forming chamber 111 is in the range of 10 ^-4 torr, the heating members 172 and 182 are heated by the operation of the heating unit 120 in the vacuum atmosphere of the forming chamber 111. The surfaces of the first glass 2 and the second glass 3 can be heated (S80).

Accordingly, the vacuum module 130 stops operating and operates the heating unit 120 so that the heating members 172 and 182 reach the target temperature. The heating step (S50) and the vacuuming step (S60) are repeated so that the heating members (172, 182) achieve the target temperature and the first glass (2) and the second glass (3) are in a transition state ( S70).

The lifting drive unit 150 operates in a transition state between the first glass 2 and the second glass 3. The lifting plate 140 located at the bottom of the forming chamber 111 moves in the direction of the support plate 160. The first heating and pressing portion 180 may be in contact with the support plate 160. At this time, since the lifting plate 140 continues to rise, the edges of the first glass 2 and the second glass 3 are pressed by the pressing bars 173 and 183.

The edges of the first glass 2 and the second glass 3 are pressed by the pressure bars 173 and 183 as shown in FIG. 4 to form bonding (S90).

Vacuum glass manufacturing is completed by cooling the bonded first glass 2 and second glass 3 (S100). Cooling can be achieved through natural cooling.

As shown in FIG. 5, the edges of the first glass 2 and the second glass 3 are pressed by the pressure bars 173 and 183 to form a joint, and as shown in FIG. 6, the pressed edges are formed. are connected to each other.

Accordingly, the first glass 2 and the second glass 3 are heated by microwaves in the forming chamber 111, and at this time, the first glass 2 and the second glass 3 are heated by the heating members 172 and 182 of carbon or silicon carbide. The glass (3) is heated uniformly throughout, so no pinholes or microcracks occur. This has the effect of improving the stability of vacuum glass.

Then, the pressure bars 173 and 183 pressurize the first glass 2 and the second glass 3 in the transition state, thereby forming bonding. Accordingly, since the vacuum glass manufacturing process is carried out through a single manufacturing device, the process time can be shortened and heat loss between processes can be prevented, thereby minimizing the cost of the vacuum glass manufacturing process, which is economically effective.

Although the preferred embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements made by those skilled in the art using the basic concept of the present invention defined in the following claims are also possible. falls within the scope of rights.

2: first glass 3: second glass
5: Support pillar
100: Vacuum glass manufacturing device
110: Housing 111: Molding chamber
112: Microwave inlet hole 113: Exhaust hole
120: heating unit 121: waveguide
130: Vacuum module 140: Elevating plate
150: lifting driving unit 160: support plate
170: first heating and pressing unit 180: second heating and pressing unit
171, 181: insulation member 172, 182: heating member
173, 183: Pressure bar 174, 184: Locking jaw

Claims (13)

By joining the edges of the first glass and the second glass facing each other with a plurality of support pillars in between,
A housing in which a molding chamber is formed,
A heating unit that applies microwaves to the forming chamber,
A vacuum module that forms the forming chamber in a vacuum atmosphere,
A lifting plate positioned to be raised and lowered in the forming chamber,
A support plate facing the lifting plate in the forming chamber,
A first heating and pressing part located between the lifting plate and the support plate, facing the laminated first glass and the second glass, and capable of heating and partially pressing the first glass and the second glass, and 2nd heating and pressurizing part
Includes,
The first heating and pressing part
An insulation member disposed on the lifting plate,
A heating member disposed on the insulation member and
A pressure bar disposed along the edge of the heating member and in contact with the edge of the first glass.
Including,
The edges of the first glass and the second glass are heated and pressed by the pressing bar of the first heating and pressing unit and the pressing bar of the second heating and pressing unit as the lifting plate rises to join each other.
Vacuum glass manufacturing equipment. delete In paragraph 1:
The first heating and pressing portion has a locking protrusion that protrudes from the pressing bar and is in contact with the circumference of the first glass.
containing more
Vacuum glass manufacturing equipment. In paragraph 1:
A vacuum glass manufacturing device in which the heating member and the pressure bar are made of carbon or silicon carbide (SiC). By joining the edges of the first glass and the second glass facing each other with a plurality of support pillars in between,
A housing in which a molding chamber is formed,
A heating unit that applies microwaves to the forming chamber,
A vacuum module that forms the forming chamber in a vacuum atmosphere,
A lifting plate positioned to be raised and lowered in the forming chamber,
A support plate facing the lifting plate in the forming chamber,
A first heating and pressing part located between the lifting plate and the support plate, facing the laminated first glass and the second glass, and capable of heating and partially pressing the first glass and the second glass, and 2nd heating and pressurizing part
Includes,
The second heating and pressing part
A heating member facing the second glass,
An insulating member disposed on the upper surface of the heating member and facing the support plate, and
A pressure bar that protrudes from the edge of the lower surface of the heating member and is in contact with the edge of the second glass.
Including,
The edges of the first glass and the second glass are heated and pressed by the pressing bar of the first heating and pressing unit and the pressing bar of the second heating and pressing unit as the lifting plate rises to join each other.
Vacuum glass manufacturing equipment. In paragraph 5,
A vacuum glass manufacturing device in which the heating member and the pressure bar are made of carbon or silicon carbide (SiC). In paragraph 1 or 5:
The vacuum module is a vacuum glass manufacturing device that forms a vacuum degree of the forming chamber to 10 ^-6 torr to 10 ^-4 torr. In paragraph 1 or 5:
A vacuum glass manufacturing apparatus in which the first heating and pressing unit and the second heating and pressing unit can be heated to 100°C to 600°C by the heating unit. In paragraph 1 or 5:
A vacuum glass manufacturing apparatus further comprising a lifting driving unit capable of moving the lifting plate in a straight line. Arranging the edge of the first glass to be in contact with the pressure bar of the first heating and pressing part,
Arranging support pillars on the first glass and placing the second glass,
Arranging a second heating and pressing portion on the second glass so that the pressure bar is in contact with an edge of the second glass,
Arranging a first heating and pressing portion and a second heating and pressing portion facing each other with the first glass and the second glass sandwiched between the first glass and the second glass on a lifting plate of the forming chamber;
Heating the first heating and pressing unit and the second heating and pressing unit by introducing microwaves into the forming chamber using a heating unit connected to the forming chamber;
Vacuuming the molding chamber by exhausting the air,
Heating the first and second heating and pressing parts by operating the heating part in the vacuum atmosphere of the forming chamber;
Repeating heating and vacuuming so that the first glass and the second glass are in a transition state,
Bonding the edges of the first glass and the second glass by pressing the edges of the first glass and the second glass with the first heating and pressing unit and the second heating and pressing unit, respectively, and
Cooling the first glass and the second glass bonded to each other
Vacuum glass manufacturing method comprising. In paragraph 10:
In the heating step
A vacuum glass manufacturing method in which the first heating and pressing unit and the second heating and pressing unit are heated to 100°C to 600°C by the heating unit. In paragraph 10:
A vacuum glass manufacturing method wherein the vacuum degree of the forming chamber is 10 ^-6 torr to 10 ^-4 torr. In paragraph 10:
In the above contact stage
Due to the operation of the lifting driving unit, the lifting plate moves straight from the bottom of the forming chamber to the upper side of the forming chamber where the support plate is disposed. The second heating and pressing unit is in contact with the support plate, and the continuous operation of the lifting driving unit causes the first glass and The edges of the second glass are joined by being pressed by the pressure bars of the first heating and pressing section and the second heating and pressing section, and the heating member of the first heating and pressing section and the second heating and pressing section is connected to the first glass and the second glass. Heat is evenly applied to the first glass and the second glass at intervals without pressing the surface of the second glass.
Vacuum glass manufacturing method.

Images