WO2014183515A1

WO2014183515A1 - Sealing device for vacuum glass extraction opening

Info

Publication number: WO2014183515A1
Application number: PCT/CN2014/075270
Authority: WO
Inventors: 王立国; 唐健正
Original assignee: 北京新立基真空玻璃技术有限公司
Priority date: 2013-05-13
Filing date: 2014-04-14
Publication date: 2014-11-20
Also published as: CN104150790B; CN104150790A

Abstract

Disclosed is a sealing device for a vacuum glass extraction opening, comprising: an external assembly (1) which is provided with a shell and a cavity wrapped within the shell, wherein an opening is arranged on the shell, and when the sealing device for a vacuum glass extraction opening covers an extraction opening of a processed vacuum glass via the opening, and the cavity of the external assembly and a vacuum layer of the vacuum glass form a gas-tight space; a sealing head (2) which has an axis (Z) and can move in the cavity of the external assembly along the axis (Z); and a driving force steering device (70) which is used for convert a first driving force (F) applied perpendicular to the axis (Z) into a second driving force (f) applied along the axis (Z), so as to drive the sealing head (2) to move along the axis (Z).

Description

Vacuum glass suction port sealing device

The invention relates to a vacuum glass making device. In particular, it relates to vacuum extraction devices used in continuous automated production lines for vacuum glass. More specifically, the present invention provides a vacuum glass suction port sealing device and a single furnace production line suitable for processing a plurality of vacuum glasses at the same time. Background technique

The present invention is a continuation of the applicant's prior Chinese Patent Application No. 201210291, 474, the entire disclosure of which is hereby incorporated by reference in its entirety in The technical solution is a new invention based on the further improvement of the Chinese patent application 201210291474.

In particular, the applicant's prior patent application provides an automated vacuum glass making system and associated method while maintaining the quality of the vacuum glass product. The core of this is the improvement of the vacuum glass suction port sealing device for continuous vacuum furnaces in the production line, thus realizing continuous, efficient and energy-saving production. This prior application is an important invention of epoch-making significance in the field of vacuum glass production.

However, from another point of view, there is room for further improvement in the above invention. Referring to Figure 2, this figure is a simplification of Figure 9 of Chinese Patent Application 201210291474. The vacuum furnace 100 shown therein houses a vacuum glass P1 as shown in Fig. 1 as a processing object.

As shown in FIG. 2, after the radiation baffle 37 is opened, the driving device applies a driving force in a direction perpendicular to the surface of the vacuum glass to drive the vacuum extraction, heating, sealing and cooling system inside the outer wall 55 of the sealing device to Contact with the suction port 41 to perform vacuum extraction and sealing operation for the vacuum glass P1 to be processed.

In order to increase production efficiency and save energy, it is desirable to process multiple vacuum glasses simultaneously in a vacuum furnace. The case where three vacuum glasses are simultaneously processed is exemplarily shown in Fig. 3, that is, vacuum extraction and sealing are simultaneously performed on three vacuum glasses P1, P2 and P3. At this time, if the structure of the driving device shown in FIG. 2 is used, since the driving device is along The surface of the processed vacuum glass is applied with a driving force in a vertical direction, and only the sealing device can be driven to come into contact with the suction port 41 of the processed vacuum glass P1, thereby completing the vacuum extraction operation for the processed vacuum glass P1. And sealing operation, but it is impossible to perform vacuum extraction operation and sealing operation on the two processed vacuum glasses P2 and P3 on the vacuum glass P 1 to be processed. Summary of the invention

In order to solve the above technical problems, the technical solution disclosed by the present invention provides an improved vacuum glass suction port sealing device suitable for vacuum extraction operation and/or sealing operation of a plurality of vacuum glasses simultaneously in a vacuum furnace. For the sake of clarity, the functional and technical effects expected of the vacuum glass suction port sealing device according to the present invention will be explained with reference to the schematic diagram of FIG. 3, however the present invention is not limited to the embodiment shown in FIG. 3, for example, two The block or more than three processed vacuum glasses are subjected to a vacuum extraction operation and/or a sealing operation.

First, the vacuum glass suction port sealing device according to the present invention is small in size, and specifically, the vacuum glass suction port sealing device according to the present invention can be placed between the two vacuum glass to be processed by mechanical or manual (e.g. As shown in Fig. 3, placed between the processed vacuum glass P1 and P2, denoted by A, and aligned with the suction port of the vacuum glass to be processed. The vacuum glass suction port sealing device according to the present invention is brought into contact with the vacuum glass P2 to be processed and fixed in position by a vacuum pre-extraction operation (to be described in detail below).

Subsequently, the first driving force F is applied to the vacuum glass suction port sealing device according to the present invention in a direction parallel to the surface of the vacuum glass P2 to be processed. The applied first driving force F parallel to the surface of the processed vacuum glass P2 is converted into the surface of the processed vacuum glass P2 by a driving force steering device provided inside the vacuum glass suction port sealing device according to the present invention. A vertical second driving force f. The sealing head provided inside the vacuum glass suction port sealing device according to the present invention is pushed toward the surface of the vacuum glass P2 to be processed by a second driving force f perpendicular to the surface of the vacuum glass P2 to be processed, and is disposed in the sealing The sealing piece on the head is pressed against the suction port of the processed vacuum glass P2, and then the closing of the suction port is completed by heating (or not by heating).

According to an aspect of the invention, a vacuum glass pumping that achieves the above functions is provided a port sealing device, comprising: an outer component 1 having a housing and a cavity wrapped by the housing, the opening being provided with an opening, the vacuum glass suction port sealing device being processed through the opening cover The cavity of the vacuum glass forms a gas-tight space with the vacuum layer of the vacuum glass; the sealing head 2 has an axis Z and is capable of being along the axis Z in the cavity of the outer component Moving; and a driving force steering device 70 for converting a first driving force F applied perpendicular to the axis Z into a second driving force f applied along the axis Z to drive the sealing head 2 along The axis Z moves.

According to an exemplary embodiment of the present invention, a driving force applying path L may be provided on a side wall of the housing of the outer component 1, by which the driving force applying path L is applied perpendicular to the axis Z A driving force F is applied to the driving force steering device 70.

According to an exemplary embodiment of the present invention, wherein the sealing head 2 may include a heating device 3, when the sealing head 1 presses the sealing sheet 18 over the suction port of the processed vacuum glass, according to the sealing The sealing member 18 is heated by the heating means 3 by the bonding material 19 attached to the surface of the sheet 18, thereby closing the suction port.

According to various preferred embodiments of the present invention, the bonding material 19 may be one of glass solder, metal solder or an adhesive which can be rapidly coagulated at normal temperature, and when the bonding material 19 is rapidly condensed at normal temperature In the case of the adhesive, the sealing sheet 18 is heated without using the heating device 3.

According to a different preferred embodiment of the invention, the driving force steering device 70 can be implemented using one of a slider structure, a crankshaft structure or a canopy structure.

According to an exemplary embodiment of the present invention, the vacuum glass suction port sealing device may further include a positioning device, the positioning device includes a first positioning plate and a second positioning plate, and the first positioning plate and the second positioning plate respectively Adjustably fixed to the side wall of the vacuum glass suction port sealing device such that the first positioning plate and the second positioning plate are respectively parallel to two related straight sides of the processed vacuum glass, and are made in a vacuum The axis Z of the closure head 2 during processing of the glass is aligned with the center of the suction port of the vacuum glass being processed.

According to an exemplary embodiment of the present invention, a cooling device (37, 38) may be disposed in the housing of the outer component 1.

According to an exemplary embodiment of the present invention, within the housing of the outer component 1 An air suction device (13, 35) is provided, and a sealing rubber ring (11, 11') may be disposed on the top of the housing of the outer component 1.

According to another aspect of the present invention, there is provided a vacuum glass manufacturing apparatus in which a vacuum glass suction port sealing device according to the present invention is employed, which can be sequentially employed in a vacuum extraction furnace using one of the vacuum glass suction port sealing devices. A vacuum extraction operation and/or a sealing operation is performed on a plurality of processed vacuum glasses. According to various preferred embodiments of the present invention, a plurality of said vacuum glass suction port sealing means may be employed in a vacuum extraction furnace to simultaneously perform a vacuum extraction operation and/or a sealing operation on a plurality of processed vacuum glasses.

The vacuum glass suction port sealing device according to the present invention realizes vacuum extraction and/or sealing of a plurality of vacuum glasses in a single vacuum vacuum furnace of a continuous automated production line of vacuum glass, so that pre-pressure, vacuum extraction and pumping are performed. The air port closure function is integrated, which improves efficiency and saves energy. DRAWINGS

The above and other aspects, features and advantages of the present invention will be apparent from

Figure 1 is a schematic view showing a vacuum glass as a processing object;

Figure 2 is a schematic view showing the operation of the vacuum glass suction port sealing device in the vacuum glass processing process of the prior application;

Figure 3 is a schematic view showing the operation and the obtained technical effect achieved by the vacuum glass suction port sealing device according to the present invention;

4 is a schematic view showing the structure of a vacuum glass suction port sealing device according to the inventive concept;

Figures 5a and 5b respectively show two mechanical structures that can be used to implement the driving force steering device shown in Figure 4;

FIG. 6 is a schematic view showing a vacuum glass suction port sealing device to which a positioning device is attached, according to an exemplary embodiment of the present invention. detailed description 4 is a schematic view showing the structure of a vacuum glass suction port sealing device in accordance with the inventive concept.

In Fig. 4, two suction passages 13 and 35 are provided in the casing of the outer casing 1 in the vacuum glass suction port sealing device according to the present invention for vacuum pre-extraction operation and vacuum extraction operation, respectively. The outer component 1 is also provided with sealing rubber rings 11 and 1 and cooling devices (37, 38). The difference from the above-mentioned applicant's prior application is that a driving force applying path L is provided on the side wall of the housing of the outer component 1, by which the driving force applying path L is applied perpendicularly to the axis Z of the sealing head 2. The first driving force F is applied to the driving force steering device 70. The driving force steering device 70 converts the first driving force F into a second driving force f parallel to the axis Z of the sealing head 2 to drive the sealing head 2 to move along its axis Z.

The sealing head 2 disposed in the cavity of the outer component 1 includes a heating device 3. When the vacuum extraction is completed, the sealing head 2 is moved along its axis Z toward the processed vacuum glass under the driving of the second driving force f obtained by the conversion of the driving force steering device 70, thereby closing the sealing member 2 on the sealing head 2. The sheet 18 is pressed to cover the suction port 20 of the vacuum glass, and the sealing sheet 18 is heated by the heat device 3, so that the bonding material 19 (for example, glass solder or metal solder) disposed on the surface of the sealing sheet 18 is melted, thereby The suction port 20 is closed (see Figure 1).

Alternatively, an adhesive which can be rapidly coagulated at a normal temperature can be used as the bonding material 19 without using solder. In this case, after the vacuum extraction is completed, the sealing head 2 is moved along the axis Z thereof toward the processed vacuum glass under the driving of the second driving force f obtained by the conversion of the driving force steering device 70, so that it will be arranged in the sealing. The sealing sheet 18 on the head 2 is pressed to cover the suction port 20 of the vacuum glass, and the adhesive (ie, the bonding material 19) disposed on the surface of the sealing sheet 18 is solidified to close the suction port 20 ( See Figure 1).

The vacuum glass suction port sealing device according to the present invention has a small volume, a height of not more than 70 to 80 mm, and a diameter of only 60 to 80 mm. During the vacuum extraction operation and/or the sealing operation, the vacuum glass suction port sealing device according to the present invention is set on the vacuum glass to be processed and disposed on the external component 1 by mechanical operation or manual operation by an operator. A hole 23 (i.e., an opening) in the housing is aligned with the suction port 20 of the vacuum glass to be processed. Sealing rubber ring 11, 1 and the lower glass 22 of the vacuum glass to be processed (see The surface of Fig. 1) is in close contact to form a "sealed space" of the vacuum layer 32, the suction port 20 and the suction passage through the vacuum glass. The vacuum pre-extraction operation is performed by the suction passage 35 by means of a vacuum pump (not shown), and the negative pressure band formed between the sealing rubber rings 11 and 1 causes the sealing rubber rings 11, 11' and the lower piece of the vacuum glass to be processed The surface of the glass 22 is in intimate contact, thereby ensuring that external gas cannot enter the sealed space even under a large internal and external pressure difference. Subsequently, a vacuum pump is used to evacuate the gas in the vacuum layer 32 (see Fig. 1) of the vacuum glass to be processed through the suction passage 13 and the suction port 12 to perform a vacuum extraction operation.

While the vacuum extraction operation is being performed, the heating device 3 in the sealing head 2 can heat the sealing sheet 18 to melt the bonding material 19 (e.g., glass solder or metal solder). According to an embodiment of the present invention, the heating device 3 in the sealing head 2 can also be used as a temperature sensing device for sensing the temperature of the sealing sheet 18. When the vacuum extraction operation is completed, the heating device 3 in the sealing head 2 has completed the heating of the sealing sheet 18, thereby completing the operation of melting the bonding material 19 and/or sensing the temperature of the sealing sheet 18. The heating and/or temperature sensing operation is not necessary. For example, according to an embodiment of the present invention, when the bonding material 19 is made of an adhesive which can be rapidly coagulated at a normal temperature, the above heating and/or temperature may be omitted. Sensing operation.

Subsequently, the first driving force F applied to the push rod 5 in parallel with the lower glass 22 of the vacuum glass to be processed (i.e., perpendicular to the axis Z) is converted by the driving force steering device 70 to be perpendicular to the lower glass 22 ( That is, the second driving force f parallel to the axis Z. The connecting rod 4 is pushed by the second driving force f to lift the sealed sealing sheet 18, and the lower sheet glass 22 is pressed and covers the suction port 20. By the control of the temperature, for example, by the cooling means (37, 38), the surface of the bonding material 19 and the lower glass 22 are firmly hermetically bonded, thereby achieving a reliable sealing of the suction opening 20 of the sealing glass by the sealing sheet 18.

The driving force steering device 70 shown in Fig. 4 is a mechanical device which can be realized by a variety of common mechanical structures. The driving force steering device 70 functions to convert the first driving force F perpendicular to the axis Z applied to the push rod 5 through the driving force applying passage L on the side wall of the outer component 1 to pass through the connecting rod 4 along the axis Z. The second driving force f applied to the sealing head 2.

Figures 5a and 5b respectively show two driving forces that can be used to implement the driving force shown in Figure 4. Schematic diagram of the mechanical structure of the steering device 70.

Fig. 5a is a preferred embodiment of the driving force steering device 70 shown in Fig. 4 using a slider structure.

Referring to Fig. 5a, in this case, the driving force steering device 70 includes: a link 4, a slide arm 7, a chute 14, and a push rod 5. Among them, the connecting rod 4, the sliding arm 7 and the push rod 5 are connected by a pivot 0. The chute 14 is provided on the inner side (not shown) of the bottom of the casing of the outer component 1, and one end of the sliding arm 7 can be embedded in the chute 14 for linear sliding. The chute 14 is parallel to the driving force applying passage L provided on the side wall of the casing of the outer member 1. The connecting rod 4 is connected to the sealing head 2 via a pivot ql.

When the outer end of the push rod 5 passing through the driving force applying path L is pushed by the first driving force F, the sliding arm 7 linearly slides in the chute 14, thereby causing the pivot 0 to move and abut the axis 2. At this time, the link 4 is rotated about the pivot 0, and the end of the link 4 connected to the pivot 0 is urged toward the axis Z, thereby enabling the link 4 to lift the sealing head 2 upward through the pivot ql. By such a process, the driving force steering device 70 shown in Fig. 5a is capable of converting the first driving force F perpendicular to the axis Z applied to the push rod 5 by the driving force applying passage L to be parallel to the axis Z such that the sealing head 2 a second driving force f moving along the axis Z. In a preferred embodiment, the range of movement of the closure head 2 can be set between 3 and 15 mm.

Fig. 5b is a preferred embodiment of the driving force steering device 70 shown in Fig. 4 using a concentric wheel structure.

Referring to Fig. 5b, in this case, the driving force steering device 70 includes: a link 41, a support arm 40, a concentric wheel W, a link 42 and a push rod 5. Here, the support arm 40 is a cantilever fixed to the inner side of the bottom of the housing of the outer component 1, and is connected to the concentric wheel W through the suspension shaft 0'. One end of the link 41 is connected to the sealing head 2 via a pivot ql, and the other end is rotatably coupled to a point Q1 of the concentric wheel W. The distance between point Q1 and the suspension axis 0' is rl. A driving force applying path L is provided on the side wall of the casing of the outer member 1, and the push rod 5 passes through the driving force applying path L. One end pivotal link q2 of the link 42 is coupled to the push rod 5, and the other end of the link 42 is rotatably coupled to the point Q2 of the concentric wheel W. The distance between point Q2 and the suspension axis 0' is r2.

When the outer end of the push rod 5 passing through the driving force applying passage L is pushed by the first driving force F, the link 42 causes the concentric wheel W to rotate through the pivot q2 and the point Q2, thereby passing through the point Q1, the link 41, and The sealing head 2 is moved by the linkage of the pivot ql, that is, the sealing head is lifted up 2. By such a process, the driving force steering device 70 shown in Fig. 5b is capable of converting the first driving force F perpendicular to the axis Z applied to the push rod 5 by the driving force applying passage L to be parallel to the axis Z so that the sealing head A second driving force f that moves along the axis Z. In the preferred embodiment, the range of movement of the closure head 2 can be adjusted by adjusting the ratio of rl and r2.

Although Figures 5a and 5b show two mechanical configurations that can be used to implement the driving force steering device 70 shown in Figure 4, as will be appreciated by those skilled in the art, the present invention should not be limited by the particular manner of conversion. As long as the first driving force F perpendicular to the axis Z can be converted into the second driving force f parallel to the axis Z, the driving force steering device 70 can also be implemented in various other ways, for example, by using a right angle umbrella surface The bevel gear mechanism constituted by the meshed two bevel gears realizes the driving force steering device 70.

In order to conveniently and accurately position the vacuum glass suction port sealing device according to the present invention on the suction port of the vacuum glass to be processed, a simple positioning device can be provided on the vacuum glass suction port sealing device of the present invention. Fig. 6 is a schematic view showing a vacuum glass suction port sealing device to which a positioning device is attached, according to an exemplary embodiment of the present invention.

Referring to Figure 6, two positioning plates, i.e., positioning plate X and positioning plate Y, may be provided on the vacuum glass suction port sealing device according to the present invention, which are respectively parallel to the two associated straight sides of the vacuum glass to be processed. As shown in Fig. 6, the angle between the two straight sides is θ. Usually, in the case of processing rectangular glass, the positioning plate X and the positioning plate Υ can be perpendicular to each other and parallel to the adjacent two right-angle sides, that is, θ = 90°.

Usually, the suction port 20 of the vacuum glass is disposed at a position near one corner of the vacuum glass. The positioning plate X and the positioning plate 可以 can be respectively fixed to the side walls of the vacuum glass suction port sealing device according to the present invention by the adjusting/fixing devices K1 and Κ2, and the positioning plate X and the positioning plate Υ are adjusted to form an included angle θ And the positioning plate X and the positioning plate Υ can be adjusted to a distance from the center of the sealing head 2 to a and b, respectively, so that the geometry of the vacuum glass to be processed can be adapted. That is, by the adjustment of the adjusting/fixing devices K1 and K2, the axis Z of the sealing head 2 during the processing of the vacuum glass is aligned with the center of the suction port 20 of the vacuum glass to be processed. The positioning plate X and the positioning plate Y may be set to be slightly higher (for example, 0.5 cm) in the direction of the axis Z than the contact plane of the suction port 20 of the vacuum glass. As mentioned above, since the suction port 20 is usually designed close to the vacuum glass The position of one corner of the corner, so that the position of the positioning plate X and the positioning plate Y and the outer component 1 can be adjusted and fixed, so that the quick connection of the vacuum glass suction port sealing device and the suction port 20 of the processed vacuum glass can be realized. quasi. The positioning plate X and the positioning plate Y thus designed to be fixed in position to the suction port sealing device of the present invention can function as a "positioning scale". It is possible to manufacture vacuum glass of different specifications and shapes by adjusting the angle Θ between the positioning plate X and the positioning plate Y and the distances a and b to the center of the sealing head 2.

When the vacuum glass is sealed by the above-described vacuum glass suction port sealing device according to the present invention, it is possible to carry out a vacuum drawing operation and/or a sealing operation of a plurality of vacuum glasses in a vacuum drawing furnace. A vacuum extraction operation and/or sealing operation of a plurality of processed vacuum glasses in the furnace may be sequentially carried out in a vacuum extraction furnace using a vacuum glass suction port sealing device according to the present invention. Alternatively, a plurality of vacuum glass suction port sealing devices according to the present invention may be employed in a vacuum extraction furnace to simultaneously perform a vacuum extraction operation and/or a sealing operation on a plurality of processed vacuum glasses in the furnace.

The above vacuum glass suction port sealing device reflecting the embodiment of the present invention realizes vacuum extraction and/or sealing of a plurality of pieces of vacuum glass in a single vacuum vacuum furnace of a continuous automated production line of vacuum glass, so that pre-pressure and vacuum extraction are performed. It is integrated with the suction port closing function, which improves efficiency and saves energy. It should be noted that the above-described embodiments are merely illustrative of the present invention and are not intended to limit the embodiments of the present invention. The scope of the invention should be defined by the appended claims.

Claims

Rights request

1. A vacuum glass exhaust port sealing device, including:

The external component (1) has a shell and a cavity wrapped by the shell. An opening is provided on the shell. When the vacuum glass exhaust port sealing device covers the vacuum glass being processed through the opening, When opening the air port, the cavity of the external component and the vacuum layer of the vacuum glass form an air-enclosed space;

a sealing head ( ₂ ) having an axis (Z) and capable of moving along said axis (Z) in the cavity of the outer component; and

Driving force steering device (70) for converting a first driving force (F) applied perpendicular to the axis (Z) into a second driving force (f) applied along the axis (Z), to The sealing head (2) is driven to move along the axis (Z).

2. The vacuum glass exhaust port sealing device according to claim 1, wherein a driving force application passage (L) is provided on the side wall of the housing of the external component (1), through which the driving force application passage (L) ) Apply a first driving force (F) applied perpendicularly to the axis (Z) to the driving force steering device (70).

3. The vacuum glass exhaust port sealing device according to claim 1, wherein the sealing head (2) includes a heating device (3), and when the sealing head (2) squeezes the sealing sheet (18) to cover the processed When the vacuum glass is placed on the exhaust port of the vacuum glass, the heating device (3) is used to heat the sealing sheet (18) according to the adhesive material (19) attached to the surface of the sealing sheet (18).

4. The vacuum glass exhaust port sealing device according to claim 3, wherein: the bonding material (19) is one of glass solder, metal solder or an adhesive that can solidify quickly at room temperature, and

When the adhesive material (19) is an adhesive that can be quickly solidified at room temperature, the heating device (3) is not used to heat the sealing sheet (18).

5. The vacuum glass exhaust port sealing device according to claim 1, further comprising: a positioning device, which includes a first positioning plate and a second positioning plate, the first positioning plate and the second positioning plate are respectively adjustably fixed at the position. on the side wall of the vacuum glass exhaust port sealing device, so that the first positioning plate and the second positioning plate are respectively parallel to the two relevant straight edges of the vacuum glass being processed, and so that during the processing of the vacuum glass seal mouth

The axis (Z) of (2) is aligned with the center of the air extraction port of the vacuum glass being processed.

6. The vacuum glass exhaust port sealing device according to any one of claims 1-5, wherein a cooling device (37, 38) is provided in the housing of the external component (1).

7. The vacuum glass air extraction port sealing device according to any one of claims 1 to 5, wherein an air extraction device (13, 35) is provided in the housing of the external component (1), and in the external component The top of the housing of (1) is provided with a sealing rubber ring (11, 11').

8. Vacuum glass production equipment using the vacuum glass exhaust port sealing device according to any one of claims 1 to 7, characterized by:

In a vacuum extraction furnace, one of the vacuum glass extraction port sealing devices is used to sequentially perform vacuum extraction operations and/or sealing operations on multiple pieces of processed vacuum glass.

9. Vacuum glass production equipment using the vacuum glass exhaust port sealing device according to any one of claims 1 to 7, characterized by:

In a vacuum extraction furnace, multiple vacuum glass extraction port sealing devices are used to perform vacuum extraction operations and/or sealing operations on multiple pieces of processed vacuum glass at the same time.