KR101541124B1 - Sealing apparatus of manufacturing equipment for vacuum window - Google Patents

Abstract

A piercing device for a vacuum window manufacturing facility is described. A sealing device comprises: a vacuum housing connected to a vacuum region in which a vacuum window is located; A cartridge positioned within the vacuum housing to receive a plurality of covers supplied to the vacuum window; A lid transporting device for transporting the lid supplied from the cartridge to the exhaust hole of the vacuum window; And a cover pick-up device for picking up the cover from the cartridge by magnetic force and placing it on the cover conveying device; Respectively.

Description

[0001] DESCRIPTION [0002] Sealing apparatus for vacuum window manufacturing apparatuses [0003]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sealing apparatus for a vacuum window manufacturing facility, and more particularly, to a sealing apparatus for a vacuum window manufacturing facility for covering an exhaust hole formed in a vacuum window glass plate with a lid.

Generally, a vacuum window refers to a glass window having a vacuum gap formed between two glass plates (upper and lower plates). Such a vacuum gap not only shields noise and vibration transmitted from the outside but also increases heat insulation by blocking heat energy transmitted from the outside.

In the conventional vacuum window, the edges of the two glass plates forming the vacuum gap are closed by a sealing material made of frit glass or the like, and a space sealed inside the vacuum window is provided.

A bottom plate, which is one of the two glass plates, is provided with an exhaust hole connected to the space and a short tubular tip to which a vacuum hose for exhausting is connected. After the evacuation by the vacuum hose is completed through the tip, the tip is shortly cut and sealed by thermal melting and cutting to seal the space to maintain the vacuum state.

In the conventional vacuum window as described above, the residual portion of the tip used for vacuum evacuation exists in a state protruding from the surface of the lower plate, so that not only the appearance is not good, but also the protruding residual tip is damaged by interference or collision with other objects The vacuum state of the vacuum window may be broken.

In addition, the vacuum exhaust using the tip and the vacuum hose has a limitation in raising the degree of vacuum to a certain level or higher due to loss on the exhaust pipe.

In manufacturing a vacuum window, it is impossible to automate and line up the process due to the absence of a transfer structure capable of safely transporting a large glass plate, for example, a glass plate transfer pallet, even in a high temperature and high vacuum environment. As a result, in the prior art, the above-described series of processes for vacuuming the vacuum window have only to depend on manual operation and the productivity is very low.

KR 10-1198343 B1

The present invention provides a piercing device for a vacuum window manufacturing facility capable of automating a vacuuming process for a vacuum window.

In addition, the present invention provides a piercing apparatus for a vacuum window manufacturing facility capable of greatly improving the productivity of a vacuum window by allowing automatic vacuumization of the vacuum window.

The sealing device according to the present invention comprises:

A vacuum housing connected to a vacuum area in which the vacuum window is located;

A cartridge for accommodating a cover which is located in the vacuum housing and is supplied to the vacuum window;

A lid transporting device for transporting the lid supplied from the cartridge to the exhaust hole of the vacuum window; And

A lid pick-up device for picking up the lid from the cartridge by a magnetic force and placing it on the lid feeder; Respectively.

According to an embodiment of the present invention, the cover pick-up apparatus includes: a pickup head for picking up a cover from the cartridge by a magnetic force; And a head conveying unit for conveying the pick-up head to the cover conveying apparatus. Respectively.

According to a specific embodiment of the present invention, the pickup head includes: a cover holder for holding the cover by magnetic force; A magnetic head which reciprocates within the lid holder to fix or separate the lid to the holder by a magnetic force; And an actuator for operating the magnetic head.

According to a specific embodiment of the present invention, the actuator is a solenoid connected to the magnetic head.

The head conveying portion of the present invention includes a rail device to which a pick-up pick-up head is mounted by transferring between the cartridge and the head conveying portion.

According to another embodiment of the present invention, the lid transport apparatus includes: a lid seating head for receiving a lid transported from the pick-up head; And an elevator for transferring the cover seat head to the exhaust hole.

The sealing device of the vacuum window manufacturing facility according to the present invention can automate the process by covering the exhaust hole formed in the glass pane for the vacuum window with the lid and sealing it, and it is possible to improve the productivity and improve the precision of the device .

1 illustrates a cross-sectional structure of a vacuum window in which a seal or encapsulation is performed by a seal apparatus according to the present invention.
2 is a view for explaining a method of sealing an exhaust hole of a vacuum window with a lid.
3 is a partially exploded perspective view of a seal apparatus according to an embodiment of the present invention.
4 is a perspective view of a vacuum housing and its peripheral elements in a piercing device according to an embodiment of the present invention.
5 is a front view of a piercing device according to an embodiment of the present invention.
6 is a side view of a piercing device according to an embodiment of the present invention.
7 is an enlarged view of a portion "B" in Fig.
8 is an enlarged view of a portion "C" in Fig.
9 is an exploded perspective view of a cover seat head applied to a piercing apparatus according to the present invention.
10 is a schematic exploded perspective view of a cover pick-up apparatus applied to a seal apparatus according to the present invention.
11 is a schematic side view of the cover pick-up apparatus shown in Fig.
12 and 13 are schematic partial side sectional views illustrating the details and operation of the cover pick-up apparatus shown in Fig. 10

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

The embodiments of the present invention are described in order to more fully explain the present invention to those skilled in the art, and the following embodiments may be modified into various other forms, The present invention is not limited to the embodiment. Rather, these embodiments are provided so that this disclosure will be more thorough and complete, and will fully convey the concept of the invention to those skilled in the art. In the drawings, the thickness and size of each layer are exaggerated for convenience and clarity of explanation.

It will be understood that throughout the specification, when referring to an element such as a film, an area or a substrate being "on", "connected", "laminated" or "coupled to" another element, It will be appreciated that elements may be directly "on", "connected", "laminated" or "coupled" to another element, or there may be other elements intervening therebetween. On the other hand, when one element is referred to as being "directly on", "directly connected", or "directly coupled" to another element, it is interpreted that there are no other components intervening therebetween do. Like numbers refer to like elements. As used herein, the term "and / or" includes any and all combinations of one or more of the listed items.

Relative terms such as " above "or " above" and " below "or" below "herein may be used herein to describe the relationship of certain elements to other elements as illustrated in the figures. Relative terms are intended to include different orientations of the device in addition to those depicted in the Figures. For example, in the figures the elements are turned over so that the elements depicted as being on the top surface of the other elements are oriented on the bottom surface of the other elements. Thus, the example "top" may include both "under" and "top" directions depending on the particular orientation of the figure. If the elements are oriented in different directions (rotated 90 degrees with respect to the other direction), the relative descriptions used herein can be interpreted accordingly.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the singular forms "a," "an," and "the" include singular forms unless the context clearly dictates otherwise. Also, "comprising" and / or "comprising " when used in this specification are taken to specify the presence of stated features, integers, steps, operations, elements, elements, and / , Numbers, operations, elements, elements, and / or groups.

Embodiments of the present invention will now be described with reference to the drawings schematically illustrating exemplary embodiments that may be implemented by the present invention. In the figures, for example, variations in the shape shown may be expected, depending on manufacturing techniques and / or tolerances. Therefore, the embodiments according to the present invention should not be construed as limited to the specific shapes of the regions shown herein, but should include, for example, changes in shape resulting from manufacturing.

Fig. 1 illustrates a cross-sectional structure of a vacuum window 1 in which piercing or sealing is performed by a piercing device according to the present invention.

1, the vacuum window 1 includes a pair of glass plates 1a and 1b, a filler 1c serving as a spacer for holding a space or gap 1f therebetween, And a sealing portion 1d made of a frit seal or the like for sealing the periphery of the sealing portion 1d. An exhaust hole 1e is formed in the vacuum window 1 and is sealed or pinched by the lid 5. The lid 5 includes a metal base 5a and an adhesive layer 5b on the upper surface thereof. The adhesive layer 5b may be formed of a sealing material such as a frit glass or the like called a frit seal.

Fig. 2 shows a state in which the lid 5 seals the exhaust hole 1e formed in the lower glass plate 1b (hereinafter referred to as the lower plate for convenience) of the vacuum window 1. Fig. The lid 5 is supplied by the seal apparatus 100 and is supplied to the lower plate 1b by the seat head 50 which ascends and descends by the head elevator 60 which is an element of the seal apparatus 100 , Which will be described later in detail.

The cover 5 and the seating head 50 are located in the vacuum housing 10 of the sealing apparatus 100 which maintains the vacuum state in the same manner as the vacuum window 1 and the driving source of the elevator 60 Which is provided outside the vacuum housing 10, will be described later in detail.

FIG. 3 is a partially exploded perspective view of the entire system of the sealing apparatus 100 of the vacuum window manufacturing apparatus according to the embodiment of the present invention, FIG. 4 is an enlarged perspective view of the vacuum housing 10 in the assembled state, And FIG. 6 is a side view (right side view in the drawing).

3 to 7, a sealing apparatus 100 of a vacuum window manufacturing apparatus according to an embodiment of the present invention includes a vacuum housing (not shown) having a vacuum chamber A in which the lid 5 is conveyed, 10, a cartridge 20 for supplying the lid 5 into the vacuum housing 10, a lid transporting device 40 for transporting the lid 5 supplied from the cartridge 20, And has a seating head 50 to be seated. A lid supply duct 15 connected to the vacuum housing 10 through a vacuum path where the vacuum window 1 is disposed is provided at a lower portion of the mounting head 50 and ascends and descends. The sealing apparatus 100 includes a cartridge elevator 30 positioned outside the vacuum housing 10 to move the cartridge 20 upward and downward, And a head elevator 60 for supplying the lid 5 with the lower plate 1b of the vacuum window 1.

The opening and closing door 11 can be installed on one side of the vacuum housing 10 to enable replenishment and replacement of parts and the vacuum chamber A is provided at the sides of the opening and closing door 11 and the vacuum housing 10. One or a plurality of confirmation windows 12, 13 can be installed. The confirmation windows 12 and 13 are for visual confirmation of the inside of the vacuum chamber A, and are not limited to the installation position and the number of the installation.

The cartridge 20 is installed in the vacuum housing 10, that is, in the vacuum chamber A. The cartridge 20 accommodates a plurality of lids 5 in a stacked state and is provided outside the vacuum housing 10 And may be a structure that can be gradually raised or lowered by the installed cartridge elevator 30.

The above-described cartridge elevator 30 includes a rotary motor 33 that provides power for raising and lowering the cartridge 20 and a conveying screw 32 that rotates thereby and a conveying screw 32 coupled to the conveying screw 32, A guide member 34 for guiding the movement of the movable base 35 and a fixed frame 31 for supporting the entire structure such as the motor 33 and the feed screw 32. The feed screw 32 is a component that is commonly used in a general mechanical device as an element for converting a rotational motion into a linear reciprocating motion. The fixed frame 31 is fixed to the outside of the vacuum housing 10 and the movable frame 35 is rotated by the rotation of the conveying screw 32 on the guide member 34 provided in the fixed frame 31 Guide the descent. On the other hand, the movable base 35 is provided with an extension rod 36 extending to the cartridge 20. The extension rod 36 extends into the vacuum chamber A and surrounds the extension rod 36 between the movable stand 35 and the vacuum housing 10 to isolate the vacuum chamber A from the outside. A vacuum hermetically sealing bellows tube 37 may be provided.

The operation of the cartridge elevator 30 will be described below. First, when the rotary motor 33 rotates step by step at a predetermined angle, the movable base 35 screwed to the feed screw 32 is rotated at a distance or height corresponding to the angle at which the feed screw 32 rotates As shown in Fig. The lid 5 stacked on the cartridge 20 is raised. At this time, the position of the cover 5 of the uppermost layer is always maintained at the take-out position by the cover pick-up device 44 which will be described later. The cover 5 located on the uppermost layer is taken out by the cover pick- The rotating motor 33 rotates by one step, and the lid 5 immediately below the lid 5 rises to be located on the uppermost layer. Thus, the lid 5 raised to the uppermost layer is ready to be taken out.

7, the cartridge elevator 30 includes a limit light sensor 38 installed on the fixed frame 31 and sensing the detection protrusion 35a provided on the movable frame 35 . By sensing the elevation height of the cartridge 20 or sensing the uppermost position or the lowermost position by using the limit light sensor 38, the operator can confirm the normal operation state or the time when the cover 5 needs to be replenished To the operator.

1 to 6, the cover transfer device 40 installed in the vacuum housing 10, that is, the vacuum chamber A, is configured to move the lid 5 from the cartridge 20 one by one, (50). The lid transporting device 40 may include a magnetic gripper or a lid pickup device 44 to be described later and a rail device for reciprocatingly transporting the lid 42 in one direction. The rail apparatus includes a movable carriage 47 for supporting the cover pick-up apparatus 44 and a conveyance rail 46 for supporting the movement of the movable carriage 47 and an actuator 45 for operating the movable carriage 47 do. The actuator 45 may include a pneumatic or hydraulic cylinder or the like, but other devices capable of reciprocating movement may be used.

5, the lid pick-up device 44 of the lid transport device 40 takes out one lid 5 from the cartridge 20 and holds or grasps the lid 5, 45 is moved to the lid seating head 50. In this state, the lid pick-up device 44 places the holding lid 5 on the lid seating head 50.

According to the above-described structure, since the driving mechanism such as the cylinder or the motor is not installed in the vacuum housing 10 and is installed outside the vacuum housing 10, the cover 5 is cleanly protected from external foreign matter And the inner vacuum chamber A of the vacuum housing 10 can be maintained in a high vacuum state.

9 is a perspective view showing the cover seat 50 described above. The lid-placing head 50 receives the lid 5 from the lid feeder 40 and is provided with a head body 51 and a lid 5 which is provided on the head body 51, Which is connected to the heater 52 and the elastic spring 53 provided on the head body 51 so as to be able to be elastically backwardly moved downwardly of the lid 5 by an external force, And an elastic guide 54 on which the elastic members 54a are installed.

The lid 5 can be guided and aligned by the guide grooves 54a of the elastic guide 54 and then the lid 5 seated on the lid seating head 50 by the heater 52 5 may be preheated to a high temperature and when the lid seating head 50 ascends in the direction of the lower plate 1b by the head elevator 60 in a state in which the lid 5 is seated, The lid 5 can be precisely attached and fixed to the precise position of the exhaust hole 1e in a state in which the lid 5 is aligned while the lid 54 collides with the glass plate 1 and is elastically reversed.

1 to 6, the head elevator 60 is a device for lifting the lid seating head 50 to the exhaust hole H of the glass plate 1, and the vacuum chamber 10 A screw shaft 62 provided on the fixing frame 61; a rotation motor 63 for rotating the screw shaft 62; a fixing frame 61 fixed to the fixing frame 61; A movable base 65 which is threadedly threaded into the threaded rod 62 and which is raised and lowered along the guide member 64 and a movable base 65 provided on the movable base 65, An extension rod 66 extending from the base 65 to the cover seating head 50 and an extension rod 66 surrounding the extension rod 66 and extending between the movable base 65 and the vacuum chamber 10, And a pipe 67.

Therefore, in the present invention, the lid transporting apparatus according to the present invention for supplying the lid 5 to the vacuum window 1 includes the lid seating head 50 and the head elevator 60 for transporting the lid seating head.

The operation of the head elevator 60, which is one element of the lid feeding device, will be described as follows. When the rotary motor 63 is rotated, the movable screw 65 is rotated along the guide member 64 while the conveying screw 62 is rotated to move the cover seat 5 50 can be raised in the direction of the lower plate 1b of the vacuum window 1. Then, when the lid 5 comes into contact with the exhaust hole 1e of the lower plate 1b, the rotary motor 63 is rotated backward to descend the movable table 65, can do.

Meanwhile, the piercing device 100 according to the present invention may include the position adjusting device 70 as shown in Figs. 3 to 6. The position adjustment device 70 is installed between the extension rod 66 and the lid seating head 50 and adjusts the position of the lid seating head 50 in a plane perpendicular to the reciprocating direction of the lid seating head 50 Axis direction and the Y-axis direction orthogonal to the X-axis direction.

The position adjusting device 70 includes a Y-axis feed motor 72 for rotating the cam C along the Y-axis rail 71 installed in the fixed frame 61, a Y- Is moved in the X-axis direction by the X-axis feed motor 75 along the X-axis rail 74 provided on the movable stand 73 and the Y-axis movable stand 73, And an X-axis movable stand 76.

Accordingly, the X-axis feed motor 75 and the Y-axis feed motor 72 are appropriately rotated to move the lid seating head 50 connected to the extension rod 66 precisely in the X-axis direction and the Y-axis direction So as to exactly match the position of the exhaust hole 1e of the lower plate 1b. 8, the position adjusting device 70 includes a sensing limit light sensor (see FIG. 8), which is a type of photo interrupter that senses a plurality of positions of the sensing projections 77 provided on the Y- 78). The limit light sensor 78 is installed in the fixed frame 61. In addition to the photo interrupter, various position detecting sensors such as a magnetic interrupter may be used. By sensing the position of the lid seating head 50 connected to the extension rod 66 using this position and location sensor, for example, the limit light sensor 78, an operator can precisely adjust the lid seating head 50 This is possible.

Hereinafter, the cover pick-up apparatus 44 described above will be described with reference to FIG.

Fig. 10 is a schematic external perspective view of the shutter pickup device 44, Fig. 11 is a side view thereof, and Fig. 12 is a partial side sectional view. 10 to 12, the solenoid 441 is supported by a main bracket 444, which is coupled to the above-described movable stand 47 to move the cartridge 20 and the seating head 50 ).

The solenoid 441 is vertically slidable with respect to the main bracket 444. More specifically, the solenoid 441 is provided with a sleeve 445 extending from the middle of the solenoid 441 to the distal end The sleeve 445 can slide in a cylindrical sliding bushing Bs mounted on the main bracket 444.

A sub bracket 442 is coupled to a rear end of the solenoid 441 and a sliding hole 444a formed in the main bracket 444 is provided at one end of the sub bracket 442, And a rotation preventing pin 443 which is installed so as to reciprocate in a direction parallel to the direction of motion. Therefore, the solenoid 441 is coupled to the main bracket 444 together with the sleeve 445 and the sub bracket 442 so that the solenoid 441 can move upward and downward without rotation.

A cylindrical opening 445a is formed at the front end (lower end in the drawing) of the sleeve 445. The opening 445a is formed with a sleeve 445a by an actuator or core 449 of the solenoid 441, The magnetic head 446 is lifted up and down through the lower opening 445a of the base plate 445a.

Specifically, the magnetic head 446 is coupled to one end (lower end in the drawing) of the magnetic head adapter 449a coupled to the lower end of the core 449. At this time, a permanent magnet 446a for providing a magnetic force is positioned inside the magnetic head 446. [

The magnetic head adapter 449a has a large diameter flange 449b and a compression spring is provided between one end surface (lower end surface in the drawing) of the solenoid 441 and the flange 449b. Accordingly, the magnetic head adapter 449a protrudes downward from the lower opening 445a of the sleeve 445 by the compression spring Sp, and when the solenoid 441 is powered, The magnetic head 449 is lifted up against the elastic force of the compression spring Sp so that the magnetic head 446 is moved to the inside of the opening 445a of the sleeve 445 . In the above structure, elements such as the solenoid 441, the magnetic head 446 and the aforementioned core 449, the spring Sp, the adapter 449a and the like between them can be used as a basic pickup for picking up the cover 5 It is a component of the head. This pick-up head is caused to reciprocate between the cover seat 50 and the cartridge 20 by the head conveyance portion such as the above-described rail apparatus.

According to this structure, the magnetic head 446 is always exposed to the outside of the opening 445a of the sleeve 445 (downward in the drawing). 5, when a downward external force is applied to the solenoid 441 in a state in which the cover pick-up device 44 is positioned above the cartridge 20, the magnetic head 446 is exposed The cover 5 descending to the cartridge 20 in the state in which the cartridge 20 is placed on the uppermost layer of the cartridge 20 is attached by the magnetic force after coming into contact with the magnetic head 446. [

In this state, when the external force to the solenoid 441 is removed, the entire solenoid 441 rises with the lid 5 attached to the magnetic head 446. Then, as shown by the dotted line in FIG. 12, Up device 44 to the cover seat head 50 side. 13, when the power is applied to the solenoid 441, the core 449 is actuated (rising in the figure), so that the magnetic head 446 is pressed against the opening 445a of the sleeve 445 It disappears inside. As a result, the lid 5 attached to the magnetic head 446 is caught by the edge of the opening 445a of the sleeve 445 and is separated. The lid 5 separated in this way is placed on the cover seat 50 located at the lower portion thereof. The lid 5 opened with the cover seat 50 in this way can be used for the seal of the vacuum window 1. [

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. Accordingly, the scope of claim of the present invention is not limited within the scope of the detailed description, but will be defined by the following claims and technical ideas thereof.

1: Vacuum window
1a: glass plate (top plate)
1b: glass plate (lower plate)
1e: exhaust air
2: cover 100:
A: Vacuum chamber 10: Vacuum housing
20: cartridge 30: elevator
40: lid transporting device 44: lid pickup device
50: cover seat head 60: head elevator

Claims (10)

A vacuum housing connected to a vacuum area in which the vacuum window is located;
A cartridge positioned within the vacuum housing to receive a plurality of covers supplied to the vacuum window;
A lid transporting device for transporting the lid supplied from the cartridge to the exhaust hole of the vacuum window; And
A lid pick-up device for picking up a lid from the cartridge by a magnetic force and placing it on the lid transport device; Wherein the vacuum window manufacturing apparatus comprises: The method according to claim 1,
The cover pick-up apparatus includes: a pick-up head for picking up the cover from the cartridge by magnetic force; And a head conveying unit for conveying the pick-up head to the cover conveying apparatus. Wherein the vacuum window manufacturing apparatus comprises: 3. The method of claim 2,
The pick-up head comprising: a magnetic head for picking up the cover from the cartridge by magnetic force; An actuator for operating the magnetic head; Wherein the vacuum window manufacturing apparatus comprises: The method of claim 3,
Wherein the actuator is a solenoid. 5. The method according to any one of claims 2 to 4,
Wherein the head transferring part includes a rail device for transferring the pick-up head. 6. The method of claim 5,
Wherein the lid transporting device includes a lid seating head, and the lid seating head transports the lid to a vacuum window by an elevator installed outside the vacuum housing. 5. The method according to any one of claims 1 to 4,
Wherein the lid transporting device includes a lid seating head, and the lid seating head transports the lid to a vacuum window by an elevator installed outside the vacuum housing. The method according to claim 6,
Further comprising a position adjusting device for adjusting the position of the lid-resting head in a plane perpendicular to the conveying direction of the lid-placing head. The method of claim 3,
The pick-up head comprises: a main bracket; A solenoid fixed to the main bracket in one direction; A magnetic head operated by said solenoid; And a sleeve which surrounds the solenoid and the magnetic head and has an opening through which the magnetic head moves in and out according to the operation of the solenoid. 6. The method of claim 5,
The pick-up head comprises: a main bracket; A solenoid fixed to the main bracket in one direction; A magnetic head operated by said solenoid; And a sleeve which surrounds the solenoid and the magnetic head and has an opening through which the magnetic head moves in and out according to the operation of the solenoid.

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