KR101157580B1 - Manufacturing equipment for vacuum glass - Google Patents

Abstract

The present invention is a vacuum tank having a space therein and a vacuum tank having a passage formed on one side, a housing mounted around the passage of the vacuum tank, a cylinder installed in the housing, is connected to the operating rod of the cylinder, the passage A moving part which is linearly moved in a sealed state, a heater fixing part which is disposed at an upper end of the moving part and fixes a heating part which heat-presses a sealing member to an air discharge hole formed in the vacuum glass, and the moving part and the heater fixing part. Is installed between the sealing member is composed of an elastic force providing unit for imparting an elastic force to be compressed to the air discharge hole, to improve the sealing performance and the sealing operation is automated, convenient operation.

Description

Vacuum glass manufacturing equipment {MANUFACTURING EQUIPMENT FOR VACUUM GLASS}

The present invention relates to a vacuum glass manufacturing apparatus for sealing the air discharge hole formed in the vacuum glass when manufacturing the vacuum glass.

In general, the vacuum glass draws the air between the two glasses to the outside through an air outlet formed in the vacuum glass to make a vacuum space between the two glasses, and then closes the air outlet.

Currently used vacuum glass manufacturing apparatus arranges the vacuum glass inside the vacuum tank and makes the inside of the vacuum tank into a vacuum state to make the inside of the vacuum glass into a vacuum state. Then, the air outlet formed in the glass plate is fused to the sealing member melted by the heater to close the air outlet.

However, in the conventional vacuum glass manufacturing apparatus, it is difficult to accurately match the moving distance of the heater and the pressing force when pressurizing the heater, which causes a problem in that the sealing member is not fused to the air outlet so that a defect occurs.

In addition, there is a problem that it is difficult to accurately align the sealing member and the air outlet position seated on the heater when the heater is moved linearly.

The problem to be solved by the present invention is to provide a vacuum glass manufacturing apparatus that can improve the vacuum performance of the space between the glass plate.

Another task is to provide a vacuum glass manufacturing apparatus that is easy to work by automatically sealing the vacuum space formed between the glass plates.

Another object is to provide a vacuum glass manufacturing apparatus that can improve the performance of the sealing member is fused to the air discharge hole by allowing the elastic force to be provided to the heater.

Another object is to provide a vacuum glass manufacturing apparatus capable of aligning the position of the sealing member and the air outlet hole by guiding the heater to be elevated at the correct position when the heater is elevated.

Vacuum glass manufacturing apparatus according to an embodiment of the present invention, a vacuum tank having a space therein is disposed in the vacuum tank, the housing is mounted around the passage of the vacuum tank, the cylinder installed in the housing And a heater connected to the operating rod of the cylinder and linearly moved in a state in which the passage is sealed, and a heater fixed to the heating part disposed at an upper end of the movable part to heat-press the sealing member to an air discharge hole formed in the vacuum glass. And an elastic force providing unit installed between the fixed unit and the moving unit and the heater fixing unit to impart an elastic force to compress the sealing member to the air discharge hole.

The housing may include a base frame to which the cylinder is fixed and a support frame connected to both ends of the base frame 200 and fastened to the vacuum tank.

The moving part is connected to the operating rod of the cylinder and the movable member is arranged to be linearly movable in the housing, the lifting rod is connected to the upper end of the moving member and inserted into the vacuum tank through the passage, the edge of the passage of the vacuum tank It may include a flange member mounted on the bellows and installed between the flange member and the movable member.

The upper surface of the flange member is mounted with a ring-shaped sealing member may be in close contact with the outer surface of the vacuum tank.

The elastic force providing unit, a plurality of support bolts protruding from the end of the lifting rod, the support bracket is formed to form a plurality of bolt insertion grooves are inserted into the support bolt and is disposed to be wound around the outer peripheral surface of the support bolt It is disposed on the lifting rod and the other end may include a spring disposed on the support bracket.

The support bolt is screwed to the fastening hole formed in the circumferential direction at the end of the lifting rod, the tightening or loosening the support bolt can be adjusted the interval between the heater fixing portion and the lifting rod.

The heater fixing part may include a connection rod connected to the support bracket, and a heater holder fixed to an upper end of the connection rod and fixing the heater.

The heater may include a heater head that generates heat when power is applied and a sealing member is seated on an upper surface thereof, and a heater rod that extends from the heater head and is fixed to the heater holder.

The heater holder may have a fixing hole into which the heater rod is inserted, and a heater fixing member for pressing the heater rod may be fastened to one side of the fixing hole.

A guide plate that is supported on the surface of the glass plate to guide the heater may be installed on the heater holder.

Between the guide plate and the heater holder is installed in the spring, the spring is wound on the outer peripheral surface of the support bolt mounted to the guide plate, the lower end of the spring may be supported on the upper surface of the heater holder.

According to an embodiment of the present invention, the vacuum glass manufacturing apparatus is provided with a sealing device in the vacuum tank in which the vacuum glass is disposed and when the sealing device is operated, the sealing member is fused to the air discharge hole formed in the vacuum glass to form an air discharge hole. Since it can be sealed, it is convenient to use and has an advantage of improving productivity.

In addition, by providing an elastic force to the heater by providing an elastic force between the heater fixing portion to which the heater is fixed and the moving portion for linearly moving the heater, there is an advantage that can improve the performance of the sealing member is pressed in the air discharge hole.

In addition, it is provided with a guide plate which is connected to the upper side of the heater fixing portion and in close contact with the outer surface of the glass plate to guide the linear movement of the heater to accurately align the position between the heater and the air discharge hole.

1 is a block diagram of a vacuum glass manufacturing apparatus according to an embodiment of the present invention.
Figure 2 is a schematic diagram of a vacuum glass manufacturing apparatus according to an embodiment of the present invention.
3 is a cross-sectional view of the vacuum glass manufacturing apparatus according to an embodiment of the present invention.
4 is a perspective view of a sealing device according to an embodiment of the present invention.
5 is an enlarged view of a portion of FIG. 3A.
6 is an enlarged view of a portion B of FIG. 3.
7 is a partial perspective view of a sealing device according to an embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Like parts are designated by like reference numerals throughout the specification.

1 is a block diagram of a vacuum glass manufacturing apparatus according to an embodiment of the present invention, Figure 2 is a side view of a vacuum glass manufacturing apparatus according to an embodiment of the present invention.

Vacuum glass manufacturing apparatus according to an embodiment of the present invention includes a support table 200, and a vacuum tank 10 mounted on the upper surface of the support table 200, the inside of the vacuum tank.

The vacuum tank 10 includes a main body 210 having an upper side opening and forming a receiving space therein, and a cover 212 that is sealably mounted on the upper side of the main body 210.

The hinge connection part 214 is provided between the cover 212 and the main body 210 so that the cover 212 is openably connected to the main body 210. The hydraulic cylinder 220 is provided between the cover 212 and the main body 210 to maintain the open state of the cover 212. And, one side of the cover 212 is provided with a handle 222 to pull when opening and closing the cover 212.

The vacuum glass 20 is disposed in the storage space of the vacuum tank 10, and a support 230 for supporting the vacuum glass 20 is installed.

An upper heater 240 is installed above the storage space of the vacuum tank 10, and a lower heater 242 is installed below the vacuum tank 10. The vacuum glass 20 is positioned between the upper heater 240 and the lower heater 242.

The upper and lower heaters 240 and 242 raise the temperature of the vacuum glass 20 to prevent the vacuum glass 20 from being damaged by the temperature rise when the sealing member is fused, and further, the air inside the vacuum tank 10. The particles are energized to allow vacuum formation to occur at a high rate.

The upper heater 240 and the lower heater 242 are connected to the heater cable 244 to receive power, and the heater cable 244 is installed inside the heater cable cover 246 installed on the upper surface of the cover 212. do.

And, as shown in Figure 2, the vacuum tank 10 is connected to a vacuum pump 250 for making the inside of the vacuum tank 10 in a vacuum state, the first line 252 to which the vacuum pump 250 is connected The first valve 254 for fast pumping and the second valve 256 for slow pumping are respectively installed.

By using the first valve 254 and the second valve 256, first the interior of the vacuum tank 10 is gradually lowered to low vacuum, and then a large valve is opened to rapidly exhaust to ultrahigh vacuum. If the vacuum of the vacuum tank 10 when the rapid pumping immediately starts to form a vacuum may damage the vacuum tank 10, the internal components of the vacuum tank 10 and the vacuum glass 20. One or more vacuum pumps 250 may be used. In addition, a rotary pump may be used as the low vacuum pump, and a turbo pump may be used as the high vacuum pump.

The vent valve 260, the measurement valve 262, and the filter 264 are connected to the second line 266 at one side of the vacuum tank 10.

In addition, a third line 270 is connected to the first line 252 with the vacuum tank 10, and a gate valve 272 and a pair-line valve 274 are connected to the third line 270. Is installed.

After the completion of the bonding process of the vacuum glass 20 in the high vacuum vacuum tank 10 by using the lines 266 and 270, the air or nitrogen gas is put into the vacuum tank 10 to be in an atmospheric pressure state. Open the cover 212 to take out the vacuum glass (20).

The support table 200 has a vacuum tank 10 fixed to an upper surface thereof, and a wheel 280 is installed on the lower surface thereof to move the vacuum tank 10.

The support table 200 is provided with a sealing device 30 for sealing the vacuum space 22 formed in the vacuum glass 20.

3 is a cross-sectional view of a vacuum glass manufacturing apparatus according to an embodiment of the present invention, Figure 4 is a perspective view of a sealing device according to an embodiment of the present invention.

In the vacuum glass 20, two sheets of glass plates 24 and 26 are disposed to face each other, and a spacer 28 is sealably attached to an edge between the two glass plates 24 and 26 so as to seal between the two glass plates 24 and 26. In the vacuum space 22 is formed. Then, one side of the glass plate 26 is formed with an air discharge hole 21 for extracting air from the vacuum space 22.

The sealing device 30 is connected to the housing 40 mounted on the outside of the vacuum tank 10, the cylinder 50 fixed to one side of the housing 40, and the operation rod 52 of the cylinder 50. The sealing member 14 in the moving part 60 inserted into the vacuum tank 10 through the passage 12 formed in the vacuum tank 10 and the air discharge hole 21 formed in the vacuum glass 20. The heater 80 which blocks the air discharge hole 21 by fusing the heater, the heater mounting part 90 on which the heater 80 is mounted, and the moving part 60 and the heater mounting part 90 are installed to seal the sealing member. 14 includes an elastic force providing unit 100 to impart an elastic force to be compressed to the air discharge hole (21).

5 is an enlarged view of a portion of FIG. 1A showing a housing portion of a sealing apparatus according to an embodiment of the present invention.

As shown in FIG. 3, the housing 40 includes a base frame 42 formed in a plate shape and a support frame 44 vertically connected at both ends of the base frame 42. The upper end of the frame 44 is formed with a fastening portion 48 for fastening the bolt 46 to the vacuum tank (10).

The cylinder 50 is fixed to the base frame 42, is operated by hydraulic pressure or pneumatic and moves the working rod 52 linearly. Such a cylinder may also be applied to a solenoid or the like that can linearly reciprocate the operating rod when power is applied in addition to hydraulic or pneumatic pressure.

The moving part 60 is connected to the operating rod 52 of the cylinder 50 and is disposed on the inner surface of the housing 40 so as to be linearly movable, and is connected to the upper end of the moving member 62 and passes through Lifting rod 64 is inserted into the vacuum tank 10 through 12.

A bellows 66 that contracts and relaxes is connected to an upper end of the moving member 62, and an upper end of the bellows 66 is fixed to a circumferential surface of the passage 12 formed in the vacuum tank 10. )

The bellows 66 is formed in the form of a corrugated pipe so that the movable member 62 can be vertically moved while being contracted and relaxed, and the inside thereof can maintain a vibration state. Metal bellows may be used as the bellows 66.

Since the movable member 62 and the flange member 68 are sealed by the bellows 66, the inside of the vacuum tank 10 can be maintained in a vacuum state. And, on the upper surface of the flange member 68, the sealing member 70 in the form of a ring is mounted to maintain the airtight between the vacuum tank 10 and the flange member 38.

The movable member 62 is provided with guide members 72 on both sides thereof, and the guide member 72 is inserted into guide rails 74 installed on both inner surfaces of the housing 40 to guide the guide rails 74. The slide is moved along.

The lifting rod 64 has a fastening portion 76 formed at a lower side thereof, and is fastened with a bolt 78 on the upper surface of the moving member 62, and a support bolt fastening portion 86 on which the support bolt 102 is fastened. ) Are formed in plural in the circumferential direction.

6 is a cross-sectional view illustrating a heater fixing unit and an elastic force providing unit of the sealing apparatus according to an embodiment of the present invention, Figure 7 is a perspective view showing a heater fixing unit and the elastic force providing unit of the sealing apparatus according to an embodiment of the present invention.

The elastic force providing unit 100 is screwed to the upper side of the elevating rod 64, the plurality of support bolts 102 protruding from the upper side of the elevating rod 64, and the support bolt 102 is inserted so that A support bracket 108 having a plurality of insertion grooves 104 formed therein, and being wound around the support bolt 102, the upper end of which is supported by the lower surface of the support bracket 108, and the lower end of which is a lifting rod 64. The spring 106 is supported on the upper surface of the.

When the support bolts 102 are tightened or loosened, the length of the support bolts 102 protruding from the upper surface of the lifting rods 64 is adjusted, and thus the distance T between the lifting rods 64 and the support brackets 108 is adjusted. ) Can be adjusted, and the elastic force of the spring 106 is adjusted.

The spring 106 is a coil spring wound around the support bolt 102, and any type of spring capable of providing elastic force in addition to the coil spring may be applied.

The heater 80 is composed of a heater head 82 on which the sealing member 14 is placed on its upper surface, and a heater rod 84 extending downward of the heater head 82. ) Is heated to melt the sealing member 14 placed on the heater head 82.

The heater fixing part 90 is mounted on the heater holder 94 connected to the support bracket 108 by the connecting rod 92, and is mounted laterally of the heater holder 94 to heat the heater 80 to the heater holder 94. It consists of a heater fixing member 98 to be fixed to.

The heater holder 94 has a fixing hole 96 formed at one side thereof in a lateral direction, and a heater rod 84 is inserted into the fixing hole 96, and the heater fixing member 98 has a fixing hole 96. It is inserted laterally to pressurize the heater rod 84 so that the heater rod is fixed to the heater holder 94.

And, the upper surface of the heater holder 94 is provided with a guide plate 120 for guiding the heater 80 so that the heater head 82 can be exactly matched to the air discharge hole (21).

The guide plate 120 is formed in close contact with the surface of the glass plate 26, the guide hole 124 for guiding the heater 80 is inserted in the center to move up and down, the guide plate 120 and the support bracket 94 Springs 128 are installed between the upper surface of the guide plate 120 to elastically support.

Here, the support plate 126 is mounted to the guide plate 120, the spring 128 is wound around the support bolt 126, and the lower end of the spring 128 is formed on the upper surface of the support bracket 94. It is seated in the groove 130.

The guide plate 120 guides the heater 80 to move up and down, and allows the heater head 82 to be exactly matched to the air discharge hole 21 formed in the glass plate.

As described above, the operation of the vacuum glass manufacturing apparatus according to an embodiment of the present invention constituted will be described below.

First, the vacuum glass 20 is disposed in the vacuum tank 10, and then the inside of the vacuum tank 10 is brought into a vacuum state. Then, the air between the glass plates 24 and 26 is discharged through the air discharge holes 21 formed in the glass plate 26 to form the vacuum space 22.

In this state, when the cylinder 50 is actuated, the actuating rod 52 is linearly moved, and the movable member 62 connected with the actuating rod 52 is moved upward in the housing 40.

Then, the elevating member 64 connected to the movable member 62 is raised, and the elastic force providing unit 100 is pressed. That is, when the elevating member 64 is raised, the spring 106 is compressed and the elastic force of the spring 106 is transmitted to the support bracket 108 so that the support bracket 108 is raised and fixed to the heater fixing part 90. The heated heater 80 is linearly moved.

Then, the heater head 82 is raised, and the sealing member 14 placed on the heater head 82 is pressed into the air discharge hole 21 formed in the glass plate 26. At this time, power is applied to the heater 80 to heat the heater, and the sealing member 14 is melted by the heater to be compressed to the air discharge hole 21 to seal the air discharge hole 21.

Here, the elastic force of the spring 106 of the elastic force providing unit 100 is continuously acting on the heater 80, the sealing member 14 is pressed by the air discharge hole 21 by the elastic force of the spring 106. It is possible to maintain the state.

In addition, since the heater 80 moves along the guide hole 124 formed in the guide plate 120 attached to the outer surface of the glass plate 26, the sealing member 14 may be fused at the correct position of the air discharge hole 21. It becomes possible.

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 of those skilled in the art using the basic concepts of the present invention defined in the following claims are also provided. It belongs to the scope of rights.

10: vacuum tank 12: passage
14: sealing member 20: vacuum glass
30: sealing device 40: housing
50: cylinder 60: moving part
62: moving member 64: lifting rod
66: bellows 80: heater
90: heater fixing portion 94: heater holder
100: elastic force providing unit 102: support bolt
108: support bracket 106: spring
120: guide plate

Claims (11)

A vacuum tank having a space therein is disposed, a vacuum tank formed with a passage on one side,
A housing mounted around a passage of the vacuum tank,
A cylinder installed in the housing,
A moving part connected to the operating rod of the cylinder and linearly moved in a state in which the passage is sealed;
A heater fixing part disposed at an upper end of the moving part to fix a heating part for heating and compressing a sealing member to an air discharge hole formed in the vacuum glass;
An elastic force providing unit installed between the moving unit and the heater fixing unit to impart an elastic force to compress the sealing member to the air discharge hole
Vacuum glass manufacturing apparatus comprising a. In claim 1,
The housing comprises a base frame to which the cylinder is fixed and a support frame connected to both ends of the base frame and fastened to the vacuum tank. In claim 1,
The moving unit,
A moving member connected to the operating rod of the cylinder and disposed to be linearly movable in the housing;
A lifting rod connected to an upper end of the moving member and inserted into the vacuum tank through the passage;
A flange member mounted to an edge of a passage of the vacuum tank;
Bellows installed between the flange member and the moving member
Containing
Vacuum glass manufacturing equipment. 4. The method of claim 3,
A ring-shaped sealing member is mounted on the upper surface of the flange member to be in close contact with the outer surface of the vacuum tank. 4. The method of claim 3,
The elastic force providing unit,
A plurality of support bolts protruding from the end of the lifting rod,
A support bracket having a plurality of bolt insertion grooves into which the support bolts are inserted;
A spring is disposed to be wound around the outer circumferential surface of the support bolt, one end is disposed on the lifting rod and the other end is disposed on the support bracket
Containing
Vacuum glass manufacturing equipment. The method of claim 5,
The support bolt is screw-coupled to the fastening hole formed in the circumferential direction at the end of the lifting rod, the vacuum glass manufacturing apparatus that is adjusted the interval between the heater fixing portion and the lifting rod by tightening or loosening the support bolt. The method of claim 5,
The heater fixing part comprises a connection rod connected to the support bracket, and a vacuum glass manufacturing apparatus including a heater holder fixed to the top of the connection rod and fixing the heater. In claim 7,
The heater includes a heater head that generates heat when power is applied and a sealing member is seated on an upper surface thereof, and a heater rod extending from the heater head and fixed to the heater holder. 9. The method of claim 8,
The heater holder is formed with a fixing hole in which the heater rod is inserted, the vacuum glass manufacturing apparatus is fastened to the heater fixing member for pressing the heater rod on one side of the fixing hole. 9. The method of claim 8,
The upper side of the heater holder is a vacuum glass manufacturing apparatus which is supported on the surface of the glass plate to guide the heater is installed. 11. The method of claim 10,
Between the guide plate and the heater holder is installed on a spring, the spring is wound on the outer peripheral surface of the support bolt mounted to the guide plate, the lower end of the spring is a vacuum glass manufacturing apparatus that is supported on the upper surface of the heater holder.

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