KR102380777B1 - Apparatus for seperating glass product from glass plate and method using the same - Google Patents

Abstract

The present invention, the base on which the glass disk is disposed on the upper side; and an ultrasonic vibrator disposed on at least one side of the base to separate glass products manufactured by a laser cutting method of continuously forming holes along a virtual processing line from a glass original plate; Glass product separation device comprising a; and separation using the same provide a way

Description

Glass product separation device and separation method using the same

The present invention relates to a glass product separation device having an improved structure and a separation method using the same.

Plate-shaped glass products are formed from glass discs, and are used in many industrial fields such as video equipment or optical equipment such as monitors, cameras, and mobile phones, transportation equipment such as vehicles, and windows in the construction field.

There is a method of using a cutter as a method for forming a glass product from a glass original plate, but by this mechanical method, the product precision is remarkably deteriorated and a very large deformation or stress may occur on the processing surface.

In particular, thin glass such as glass for protecting liquid crystal in imaging equipment or optical equipment, glass for touch panel, or ultra thin glass used for foldable liquid crystal is very important in product precision. It is manufactured by the same process as

The general processing process of the above-mentioned thin plate glass, which is currently being carried out, is 1) polishing and cleaning process, 2) slimming and cleaning process, 3) cutting the laminated block by bonding several sheets of original glass, 4) chamfering the cut surface, 5) block It includes the order of separation and cleaning, 6) healing and cleaning, 7) chemical strengthening and cleaning, 8) drying and final product inspection.

This method has a problem in that manufacturing efficiency is remarkably reduced due to a complicated processing process, and thus manufacturing cost is increased.

Therefore, a technology for manufacturing a thin plate glass by a method capable of unifying the processes of 3) to 5) by laser cutting is being developed.

This laser cutting method is a method of forming a hole by irradiating a laser at very fine intervals along an imaginary line forming the processing surface of a glass product on a glass original plate.

1 is a view schematically showing an apparatus for separating thin glass according to the prior art.

Referring to FIG. 1 , in the conventional glass product manufacturing apparatus, when all the holes are formed along the processing surface on the glass original plate by the above-described laser cutting method, the glass product is placed on the upper side with a picker that is in close contact with the upper side of the glass product. to separate the glass products from the glass disc.

However, in this conventional separation method, cracks are formed immaturely between the holes and when the glass product is separated from the glass plate, it acts as a stress on the processing surface, so that chips or burrs are severely generated on the processing surface. There are possible problems.

In particular, the conventional glass product separation method cannot satisfy the processing precision (for example, about 5 μm or less based on the chip formed in the glass product direction from the glass original plate) in the above-described ultra thin glass. there is a problem.

The present invention has been devised to solve the above problems, and an object of the present invention is to provide a glass product separation device capable of improving processing precision and productivity of glass products and a separation method using the same.

In order to achieve the above object, the present invention includes a base on which a glass disk is disposed on the upper side; and an ultrasonic vibrator disposed on at least one side of the base to separate a glass product manufactured by a laser cutting method of continuously forming a hole along a virtual processing line from a glass original plate; provides a glass product separation device comprising a.

In addition, the base, at least one or more first vacuum holes formed so that one side is exposed to the upper surface of the base in order to fix the glass disk excluding the portion where the glass product is formed to the base by vacuum force; and at least one second vacuum hole formed so that one side of the glass product is exposed to the upper surface of the seating groove in order to fix the glass product to the base by vacuum force.

In addition, a seating groove may be formed on the upper surface of the base in which the glass product separated from the glass disc by the ultrasonic vibrator is placed.

In addition, the second vacuum hole may be formed in the seating groove.

In addition, the ultrasonic vibrator may generate vibration in the base when a vacuum force is applied to the first vacuum hole.

In addition, the base is formed with a lifting hole passing through the upper surface from the lower side, and by moving up and down in the lifting hole, it may further include a lifter to space the glass disk disposed on the base to the upper side of the base. .

In addition, at least two or more lifters may be disposed on the base to correspond to a position where glass products are not formed among the glass discs.

Also, the lifter may be moved upward from the base when no vacuum force is applied to the first vacuum hole and the second vacuum hole.

In addition, the glass disk disposed on the base may further include a water tank accommodating the fluid therein so that it can be submerged in the fluid.

On the other hand, the present invention comprises the steps of disposing on a base a glass disk comprising a glass product manufactured by a laser cutting method for continuously forming holes along a virtual processing line; and driving an ultrasonic vibrator disposed on at least one side of the base to separate the glass product from the glass original plate.

The present invention is a laser cutting method in which the cracks between the holes are grown with an ultrasonic vibrator on the glass disk where adjacent holes are formed along the virtual processing line, and the glass products are naturally separated from the glass disk by inducing the natural fall of the glass products. In this way, it is possible to improve processing precision and, at the same time, significantly reduce the occurrence of chips and cracks on the processed surface of ultra-thin glass products, thereby improving productivity.

1 is a view schematically showing an apparatus for separating thin glass according to the prior art.
2A to 2E are views showing time series separation of glass products from a glass original plate as a glass product separation device according to a first embodiment of the present invention.
3 is a view showing time series separation of glass products from a glass original plate as a glass product separation device according to a second embodiment of the present invention.

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

Unless otherwise specified, all terms herein have the same general meaning as understood by those skilled in the art, and if a term used in this specification conflicts with the general meaning of the term, the definition used herein shall govern.

However, the invention to be described below is only for explaining the embodiments of the present invention, not for limiting the scope of the present invention, and the same reference numbers used throughout the specification indicate the same components.

2A to 2E are views showing time series separation of glass products from a glass original plate as a glass product separation device according to a first embodiment of the present invention.

3 is a view showing time series separation of glass products from a glass original plate as a glass product separation device according to a second embodiment of the present invention.

2A to 3 , the glass product separation apparatus 100 according to an embodiment of the present invention continuously forms a hole along a base 110 on which the glass disc 10 is disposed on the upper side, and a virtual overhead line. It may include an ultrasonic vibrator 120 disposed on at least one side of the base 110 in order to separate the glass product 11 manufactured by the laser cutting method to form it from the glass original plate 10 .

In addition, the base 110 is formed such that one side is exposed to the upper side of the base 110 in order to fix the glass disc 10 excluding the portion where the glass product 11 is formed to the base 110 by vacuum force. At least one first vacuum hole 111 that is formed, and at least one formed so that one side is exposed to the upper surface of the base 110 in order to fix the glass product 11 to the base 110 by vacuum force. The above second vacuum hole 112 may be included.

The first vacuum hole 111 and/or the second vacuum hole 112 receives a vacuum force from a vacuum device (not shown) entirely or selectively, and the glass disk 10 placed on the upper surface of the base 110 and / or the glass article 11 may be firmly fixed.

In addition, the present invention may further include a picker 130 (picker) for clamping the glass disc 10 or the glass product 11 and moving it to another place, and although not shown, a vacuum hole formed in the base 110 . A vacuum device to apply a vacuum force to the vacuum, a glass disk disposed on the base 110 and/or a water tank in which the fluid is accommodated so that the base 110 and the ultrasonic vibrator 120 can be submerged in the fluid. You may.

Together with the embodiments to be described later, the present invention is to dispose a glass original plate 10 including a glass product 11 formed by a laser cutting method using a hole and a crack formed between the hole on the base 110 We propose a glass product separation method comprising the steps of, and separating the glass product 11 from the glass original plate 10 by driving the ultrasonic vibrator 120 disposed on at least one side of the base 110 .

Here, the glass product 11 may have any shape of a product used in the overall industry, and may include thin glass such as ultra-thin glass disposed on the liquid crystal of the foldable phone.

In addition, in the laser cutting method, a laser is irradiated at very fine intervals on a virtual line for forming the glass product 11 , whereby very adjacent holes are continuously formed in the glass original plate 10 .

When the glass original plate 10 is an ultra-thin glass, the laser may be a Bessel beam optical system with a DOF of 500 μm or more and an IR pico-femto ultra laser.

During the hole formation process, cracks may naturally occur between adjacent holes, and these cracks may be roughly divided into cracks connecting between adjacent holes and cracks that do not.

When the glass product 11 is physically separated from the glass original plate 10 in this state, since there is a problem that chips or burrs may be severely generated on the processing surface of the glass product 11, the present invention can naturally separate (naturally divide) the glass product 11 from the glass original plate 10 by growing cracks between the holes as embodiments to be described later.

In addition, the vibration frequency, amplitude, vibration period or direction of vibration of the ultrasonic vibrator 120 may vary depending on the size of the holes formed in the glass disk 10, the spacing between the holes, the thickness of the glass disk 10, the material, etc. , for these reasons, the ultrasonic vibrator 120 may be flexibly disposed on the base 110 .

In addition, the fluid accommodated in the water tank may be adopted as a variety of media, such as water, oil, mixed oil.

The glass product separation apparatus 100 according to the first embodiment of the present invention will be described with reference to FIGS. 2A to 2F .

The glass product separation device 100 according to the first embodiment of the present invention is placed on the upper side of the base 110 in which the glass product 11 separated from the glass disc 10 by the ultrasonic vibrator 120 is placed. A groove 113 may be formed.

In this case, the second vacuum hole 112 may be formed in the seating groove 113 .

Here, the ultrasonic vibrator 120 may generate vibration in the base 110 when a vacuum force is applied to the first vacuum hole 111 , and the vibration may be generated by the base 110 through the base 110 . ) can be transmitted to the glass disk 10 firmly fixed to the.

The transmitted vibration may naturally separate (naturally divide) the glass product 11 from the glass original plate 10 by growing a crack between the hole and the hole for forming the overhead line of the glass product 11 .

Specifically, FIG. 2A schematically shows a process of forming a glass product 11 on a glass original plate 10 by a laser cutting method.

Figure 2b schematically shows a process of moving the glass original plate 10 on which the glass article 11 is formed by the picker 130 to the glass article separating apparatus 100 according to the first embodiment of the present invention.

FIG. 2c shows that when the glass disc 10 on which the glass product 11 is formed is disposed on the base 110 , a vacuum force is applied to the first vacuum hole 111 to firmly fix the glass disc 10 . schematically shows the shape to be

2D shows that the ultrasonic vibrator 120 is driven in a state in which a vacuum force is applied to the first vacuum hole 111 so that the glass product 11 is naturally separated from the glass disc 10, such that the glass product 11 is It schematically shows that it is placed in the seating groove 113 by its own weight.

When the glass product 11 is separated, the vacuum force of the first vacuum hole 111 may be released, and when the glass product 11 is placed in the seating groove 113 , the second vacuum hole 112 is A vacuum force may be applied.

2e shows that the glass disc 10 (dummy) from which the glass product 11 is separated is removed in a state in which the vacuum force of the first vacuum hole 111 is released and the vacuum force of the second vacuum hole 112 is applied. After that, when the vacuum force of the second vacuum hole is released, the finished glass product 11 schematically shows that it can be moved to another place as the picker 130 .

Referring to FIG. 3, the glass product separation apparatus 100 according to the second embodiment of the present invention will be described as follows.

Unlike the first embodiment described above, in the glass product separation apparatus 100 according to the second embodiment of the present invention, the seating groove 113 is not formed, and the base 110 penetrates the upper surface from the lower surface. A lifting hole 114 may be formed.

In addition, the glass product separation device 100 according to the second embodiment of the present invention is moved up and down in the lifting hole 114 to move the glass disc 10 disposed on the base 110 to the base 110 . ) may further include a lifter 140 spaced upward.

At least two lifters 140 may be disposed on the base 110 to correspond to a position where the glass product 11 is not formed among the glass disc 10, which means that the glass product 11 is the lifter. This is because it is naturally separated from the glass disk 10 moved upward by 140 and can be placed on the upper surface of the base 110 by its own weight.

Also, the lifter 140 may move upward from the base 110 when no vacuum force is applied to the first vacuum hole 111 and the second vacuum hole 112 .

Specifically, the state (a) of FIG. 3 schematically shows a process of forming the glass product 11 on the glass original plate 10 by a laser cutting method.

In this case, the first vacuum hole 111 and the second vacuum hole 112 are given a vacuum force to firmly fix the glass disc 10 on the base 110 in consideration of processing precision, and the base The glass disk 10 placed on the 110 can be firmly fixed.

In the state (b) of FIG. 3 , when the laser cutting is completed, the vacuum force of the first vacuum hole 111 and the second vacuum hole 112 is released, and thereafter, the glass disc 10 by the lifter 140 is ) may be moved to be spaced apart from the upper side of the base 110 , and then, the ultrasonic vibrator 120 may generate vibration in the base 110 , and the vibration may be generated by the base 110 and the lifter 140 . ) schematically shows what is transmitted to the glass disk 10 through the.

The transmitted vibration may naturally separate (naturally divide) the glass product 11 from the glass original plate 10 by growing a crack between the hole and the hole for forming the overhead line of the glass product 11 .

State (3) of FIG. 3 schematically shows a state in which a vacuum force is applied to the second vacuum hole 112 after the naturally separated glass product 11 is placed on the base 110 by its own weight. .

After that, although not shown, the glass disc 10 (dummy) from which the glass product 11 is separated in a state in which the vacuum force of the second vacuum hole 112 is applied may be removed, and then, the second vacuum When the vacuum force of the hole 112 is released, the finished glass product 11 can be moved to another place as the picker 130 .

In short, the present invention is a laser cutting method to grow a crack between the hole and the hole using the ultrasonic vibrator 120 on the glass original plate 10 in which adjacent holes are formed along a virtual processing line, and from the glass plate 10 to the glass product 11 ) is a method of naturally falling the glass product 11 by inducing it to be naturally divided, thereby improving processing precision and at the same time significantly reducing the occurrence of chips and cracks on the processing surface of the ultra-thin glass product 11, resulting in productivity can improve

Above, those skilled in the art from the above description will know that various changes and modifications are possible without departing from the technical spirit of the present invention. It should be determined by the scope and its equivalent scope.

100: glass product separator 110: base
111: first vacuum hole 112: second vacuum hole
113: Anchi Home 114: Lifting Hall
120: ultrasonic vibrator 130: picker
140: lifter

Claims (10)

a base on which the glass disk is disposed on the upper side; and
An ultrasonic vibrator disposed on at least one side of the base to separate glass products manufactured by a laser cutting method of continuously forming holes along a virtual processing line from a glass original plate;
The base is
At least one first vacuum hole formed so that one side is exposed to the upper surface of the base in order to fix the glass plate excluding the portion where the glass product is formed to the base by vacuum force; and
Glass product separation apparatus comprising a; at least one second vacuum hole formed so that one side is exposed to the upper surface of the base in order to fix the glass product to the base by vacuum force.
delete According to claim 1,
A glass product separation device in which a seating groove is formed on the upper side of the base in which the glass product separated from the glass disc by the ultrasonic vibrator is placed.
4. The method of claim 3,
The second vacuum hole is a glass product separation device formed in the seating groove.
According to claim 1,
The ultrasonic vibrator is a glass product separation device for generating vibration in the base when a vacuum force is applied to the first vacuum hole.
According to claim 1,
A lifting hole passing through the upper side from the lower side is formed in the base,
Glass product separation device further comprising a lifter for separating the glass disk disposed on the base to the upper side of the base by moving up and down in the lifting hole.
7. The method of claim 6,
At least two or more lifters are disposed on the base to correspond to a position where glass products are not formed among the glass discs.
7. The method of claim 6,
The lifter is a glass product separating device that moves upward from the base when no vacuum force is applied to the first and second vacuum holes.
According to claim 1,
Glass product separation device further comprising a water tank in which the fluid is accommodated therein so that the glass disk disposed on the base can be immersed in the fluid.
delete

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