WO2017204385A1

WO2017204385A1 - Apparatus and method for waste display glass separation, apparatus and method for waste display disassembly

Info

Publication number: WO2017204385A1
Application number: PCT/KR2016/005598
Authority: WO
Inventors: 조성수; 이수영; 엄성현; 이민석; 서민혜
Original assignee: 고등기술연구원연구조합
Priority date: 2016-05-26
Filing date: 2016-05-26
Publication date: 2017-11-30

Abstract

The present invention relates to an apparatus for waste display glass separation which automatically separates glass parts including LCD panels and sheets from a waste display, wherein the apparatus includes a through-hole forming part having a hole cutter for forming a through-hole passing through the glass parts; a hook part inserted into the through-hole formed by the through-hole forming part and having a hook which catches on the inside of the glass parts; and a lift part for moving the hook caught in the glass parts to separate the glass parts. The present invention has the effect of improving economical efficiency by reducing the disassembly treatment time and cost by automatically separating the glass parts consisting of glass and sheets from the waste display without manual operation. Further, the working environment in which a waste display treatment process is carried out is improved by automating the part of the waste display disassembly process for which the working environment is poor.

Description

Apparatus and Method for Glass Separation of Waste Display, Apparatus and Method for Decomposing Waste Display

The present invention relates to a glass separation apparatus of a waste display, and more particularly, to a decomposition apparatus for separating only a glass portion including a panel in a waste display and a waste display decomposition apparatus comprising the same.

In general, a display device is represented by a monitor used in a computer, the demand for a display of various uses is increasing. At the same time, as related technologies develop, product cycles become shorter, and the amount of waste on displays is increasing.

Failure to properly dispose of end-of-life display products can lead to environmental hazards and human health hazards, as well as the loss of valuable rare metals and rare earth resources.

It is necessary to develop selective separation, decomposition and optimal acid leaching technologies necessary for the environmentally friendly and efficient processing and recycling of liquid crystal panels and backlight units that have a small composition ratio but contain a large amount of expensive rare metal resources. In this regard, compliance with reuse and recycling under the European Union's Waste Electrical and Electronic Equipment (WEEE) regulations is also important for strengthening national competitiveness and national strategy.

Although the apparatus for recycling the discarded display panels has been developed (Korea Patent Registration 10-1415673) at the end of its life, the process of disassembling the waste displays in order to separate the panels of the waste displays is carried out manually. . In case of dismantling work by hand, the processing speed is low, and the working environment of the worker is poor.

[Patent Document] Korea Patent Registration 10-1415673

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the prior art, and an object of the present invention is to provide a glass separation apparatus of a waste display which automatically separates a glass panel including an LCD panel and sheets in the disassembling process of the waste display.

Glass separating apparatus of the waste display according to the present invention for achieving the above object, in the closed display comprising a glass portion comprising a glass and a panel and sheets and a backlight unit comprising a light source, separating the glass portion An apparatus comprising: a through hole forming portion having a hole cutter for forming a through hole through the glass portion; A hook part having a hook inserted into the through hole formed through the through hole forming part and caught by the glass part therein; And a lift part that moves the hook caught by the glass part to separate the glass part.

The process of dismantling a waste display device such as a monitor is generally referred to as "disassembly of base-> disassembly of back case-> interior (removing PCB, speaker, cable, scrap metal, etc.)-> front frame removal (approx. Remove-> Remove Glass-> Remove Sheet-> Remove Mold-> Remove CCFL (Backlight)-> Remove Frame-> Finish (approx. 7 minutes). Although the entire process is performed by hand because various waste displays are processed, the glass separator of the waste display of the present invention can automate the process of separating the panels and sheets including glass from the backlight unattended, and thus the dismantling time and cost. This has a decreasing effect.

In the present specification, the laminated portion including the glass and the sheets positioned in front of the backlight with a space separated from the backlight, which is a light source such as a cold cathode fluorescent lamp, is expressed as a glass part, and the specific configuration of the glass part is different for each display. There can be.

It is preferable to further include a fixing part for fixing the input closed display from above.

In addition, the through-hole forming portion includes three or more hole cutters, and the hook portion preferably includes three or more hooks, and the number of hole cutters and the number of hooks may be the same.

The hook part includes a hook cylinder connected to one end of the hook, and when the hook cylinder is extended, the hook is rotated about the hook axis by pushing the end of the hook. It is preferable that it is a hanging structure.

The glass unit may further include a scraper for crushing and removing the backlight exposed after the glass is separated and removed, and the scraper may include a rotary cutter for crushing the backlight while rotating and a suction tube for sucking and removing the crushed backlight. The rotary cutter has a plurality of blades spaced apart from each other, it is preferred that the spacing between the blades is 2-3cm. In this wider case, there is a problem in that suction is difficult due to the large shredded size, and in the narrower case, the cost of the equipment is increased compared to the shredding more than necessary.

In addition, it is preferable to include a sensor for measuring and aligning the size of the input closed display.

A waste display decomposition apparatus according to another aspect of the present invention includes a glass separation apparatus of the above-described waste display, characterized in that at least the glass separation process is fully automated.

According to still another aspect of the present invention, there is provided a glass separating method for a waste display, wherein the glass separating apparatus including a glass, a panel and sheets, and a backlight unit including a light source are used by using the glass separating apparatus of the above-described closed display. CLAIMS What is claimed is: 1. A method of separating a glass portion from a closed display, the method comprising: introducing a waste display to a device such that its front faces upward; Fixing the injected closed display; Drilling holes in the front surface of the fixed closed display, and forming a through hole only in the glass part of the closed display; Inserting and hooking a hook between the glass part and the backlight through the through hole; And separating the glass by lifting the hook up, wherein all steps except the input of the closed display are automatically performed.

In this case, after the separating of the glass portion, it is preferable that the glass portion further comprises the step of crushing and separating the exposed backlight. In this step, it is preferable to inhale and remove the crushed backlight, and the suction speed is preferably 20 m or more per second. Low suction rates make it difficult to remove the shredded backlight. The upper limit of the suction speed is not particularly limited and the faster the better, the higher the equipment cost, so it is better to determine the appropriate value in the range of 20m or more per second.

Prior to fixing the input waste display, it is preferable to further include the step of sensing and aligning the size of the waste display.

The waste display decomposition method according to the last aspect of the present invention is a method of decomposing a waste display including a glass portion comprising glass, a panel and sheets, and a backlight portion comprising a light source, And separating the glass portion of the display.

The present invention configured as described above, by automatically separating the glass portion composed of glass and sheets in the closed display without manual operation, there is an effect that the dismantling processing time and cost is reduced to improve the economics.

In addition, by automating a part of the waste display dismantling process, which was a bad working environment, there is an effect that the work environment for performing the waste display treatment process is improved.

1 is a view showing a glass separation apparatus of a closed display according to an embodiment of the present invention.

2 is an enlarged view of a through hole forming unit.

3 is an enlarged view of a part of a hook portion.

4 is a schematic diagram showing a cross section of a closed display in which a through hole is formed.

5 is a schematic diagram showing a state in which a hook is hooked to a through hole.

6 is a plan view showing a state in which the scraper operates after the glass portion is removed.

Fig. 7 is a schematic diagram showing a cross section in which the scraper breaks up and disassembles the cold cathode fluorescent lamp.

[Description of the code]

10: glass part 11: protective sheet

12: Panel 13: Sheets

14: light guide plate 50: cold cathode fluorescent lamp

100: glass separator 200 of the closed display: through-hole forming portion

210: hole cutter 220: drive unit

230: vertical movement cylinder 240: horizontal movement cylinder

300: hook portion 310: hook

312: hook shaft 320: hook cylinder

350: lift unit 400: scraper

410: suction pipe 420: rotary cutter

430: drive unit 500: fixed unit

600: work table

With reference to the accompanying drawings will be described embodiments of the present invention;

The glass separating apparatus 100 of the closed display of the present embodiment includes a through hole forming part 200, a hook part 300, a lift part 350, and a fixing part 500.

Fixing part 500 formed on the worktable 600 is a part that serves to fix the closed display (D) put into the device. In the device of the present embodiment, the fixing part 500 is fixed by pressing the mold (case) of the closed display in such a manner that the fixing bar descends from the top to the bottom, thereby fixing at least two places of the closed display. At this time, the fixing part 500 is configured to adjust the gap between the fixing parts so that the screen and the size of the case can handle a variety of closed displays.

The through hole forming part 200 is a part for forming a through hole in the closed display fixed by the fixing part 500, and includes at least one hole cutter and a moving means for moving the hole cutter up, down, left, and right.

2 is an enlarged view of a through hole forming unit. The hole cutter 210 and the driving unit 220 are located at the lower side, and the vertical movement cylinder 230 for moving the hole cutter 210 up and down and the horizontal movement cylinder 240 for moving left and right at the top thereof. do. In this embodiment, three hole cutters 210 are provided.

After moving to the position for forming the through hole by the horizontal movement cylinder 240, the vertical movement cylinder 230 is operated while driving the hole cutter 210 to penetrate the through hole in the glass portion located in front of the closed display. Form.

The hook part 300 includes a hook that is inserted into and engaged in the through hole formed by the through hole forming part 200, and includes a moving means for moving the hook and a hook cylinder that rotates the hook to be inserted into the through hole.

3 is an enlarged view of a part of a hook portion. The hook 310 has a ring shape at the bottom thereof, and an upper end thereof is connected to the hook cylinder 320, and rotates about the hook shaft 312 according to the operation of the hook cylinder 320. In the standby state, the hook end of the hook 310 is maintained in a form perpendicular to the ground, and when the hook part 300 operates to extend the hook cylinder 320, the hook 310 is centered on the hook shaft 312. The end of the ring is inserted into the through hole by rotation. Finally, when the hook 310 is rotated by 90 °, the end of the ring becomes parallel to the ground to grab the glass portion.

The lift unit 350 is connected to the hook unit 300 and lifts the hook 310 upward with a strong force to separate the glass unit of the closed display connected to the hook. In this embodiment, the hook portion 300 is instantaneously and strongly configured to be pulled upward using a pneumatic device.

On the other hand, although not shown in Figure 1, the glass unit may further include a scraper for crushing and collecting the backlight unit of the closed display is removed.

Hereinafter, a process of removing the glass part of the waste display using the glass separator of the waste display illustrated in FIGS. 1 to 3 will be described.

First, the waste display is put into the glass separating apparatus of the waste display of this embodiment with the display side lying down.

The injected closed display is fixed by the fixing unit 500 in a state in which the display surface is lying on the work surface upward. At this time, although not shown, the width, length, height, etc. of the waste display inputted by the sensor are measured, and then fixed at a position suitable for dismantling. Since the glass separating apparatus of the closed display of the present embodiment automatically performs the disassembly process, the size of the closed display is measured immediately after the input, and aligned at a suitable position, and the through hole forming position is automatically determined based on this data. .

The through hole forming unit 200 moves upward of the closed display fixed by the fixing unit 500, and the horizontal moving cylinder 240 operates to move the hole cutter 210 to a position for forming the through hole. . The through hole forming unit 200 forms a through hole at a required position based on the size information of the aligned closed display. The vertical movement cylinder 230 descends while the hole cutter 210 is operated to form a through hole. Since the embodiment includes three hole cutters 210, three through holes may be formed at one time, and additional through holes may be additionally formed according to the size of the closed display.

As shown, the display includes a cold cathode fluorescent lamp 50 which is a backlight and a glass part 10 including a protective sheet 11, a panel 12, sheets 13, a light guide plate 14, and the like. The interval is 1 ~ 2cm apart. In FIG. 4, the glass part 10 includes the protective sheet 11, the panel 12, the sheet 13, and the light guide plate 14, but this is only an example and the present disclosure is not limited thereto.

When the hole cutter 210 is operated while descending by 2 to 3 cm from the surface through the vertical movement cylinder 230 of the through hole forming unit 200, the glass unit 10 except for the cold cathode fluorescent lamp 50, which is a backlight, is operated. Only form through holes.

After the through-hole is formed, the through-hole forming part 200 moves, and the hook part 300 moves upward of the closed display to descend in accordance with the position where the through-hole is formed. When the hook cylinder 320 is operated as described above, the hook 310 is rotated about the hook shaft 312 to be inserted into the through hole, and the glass part 10 is fixed by walking. 5 is a schematic diagram showing a state in which a hook is hooked to a through hole.

When the hook 310 caught by the glass part 10 is pulled upward using the pneumatic device of the lift part 350, only the glass part 10 is removed. As described above, since the fixing part 500 is fixed by pressing the closed display, only the glass part 10 hanging on the hook 310 when the lift part 350 raises the hook part 300 upwards. Can be separated.

Although not shown in FIG. 1, the cold cathode fluorescent lamp 50 remaining after the glass part 10 is removed may be collected by disassembling the scraper 400 shown in FIG. 6. 6 is a plan view after the glass portion is removed. The glass part is removed and the cold cathode fluorescent lamp 50 is exposed to the outside, and the scraper 400 moves over the exposed cold cathode fluorescent lamp 50 to crush the cold cathode fluorescent lamp 50, and the crushed And a suction pipe 410 for suctioning and recovering the cold cathode fluorescent lamp.

Fig. 7 is a schematic diagram showing a cross section in which the scraper breaks up and disassembles the cold cathode fluorescent lamp. The scraper 400 includes a rotary cutter 420 and a drive unit 430 for rotating the rotary cutter 420, and a plurality of blades installed in the rotary cutter 420 at intervals of 2 to 3 cm are arranged in an arrangement direction of the cold cathode fluorescent lamp 50. When the cold cathode fluorescent lamp 50 is crushed finely while moving vertically, vacuum suction is performed through the suction pipe 410. The suction power should be sucked at a speed of 20m or more per second for smooth suction.

As described above, the glass separating apparatus and method of the waste display of the present embodiment by automatically separating the glass portion of the waste display, there is an effect that the dismantling processing time and cost is reduced to improve the economics.

On the other hand, the waste display decomposition apparatus and method of the present invention can be applied to the conventional apparatus and method except for including the glass separation apparatus and method of the above-described waste display, so a detailed description thereof will be omitted.

Waste display decomposition apparatus and method of the present invention, by including a glass separation device and method of automated waste display has the effect of reducing the time to perform the waste display processing process and improve the working environment.

While the present invention has been described through the preferred embodiments, the above-described embodiments are merely illustrative of the technical idea of the present invention, and various changes may be made without departing from the technical idea of the present invention. Those of ordinary skill will understand. Therefore, the protection scope of the present invention should be interpreted not by the specific embodiments, but by the matters described in the claims, and all technical ideas within the equivalent scope should be interpreted as being included in the scope of the present invention.

Claims

An apparatus for separating the glass portion in a closed display comprising a glass portion comprising a glass and a panel and sheets and a backlight portion comprising a light source,

A through hole forming part having a hole cutter for forming a through hole penetrating the glass part;

A hook part having a hook inserted into the through hole formed through the through hole forming part and caught by the glass part therein; And

And a lift part for moving the hook caught by the glass part to separate the glass part.
The method according to claim 1,

The glass separating apparatus of the waste display, characterized in that it further comprises a fixing portion for pressing the fixed waste display from above.
The method according to claim 1,

The through-hole forming portion glass separator of the closed display, characterized in that it comprises three or more hole cutters.
The method according to claim 1,

The glass separator of the closed display, characterized in that the hook portion comprises three or more hooks.
The method according to claim 1,

The hook portion comprises a hook cylinder connected to one end of the hook,

The hook cylinder is rotated about the hook axis when the hook cylinder is extended, the glass separator of the closed display, characterized in that the end of the hook is inserted into the through-hole by the rotation operation.
The method according to claim 1,

And a scraper for crushing and removing the backlight exposed after the glass is separated and removed.
The method according to claim 6,

And the scraper includes a rotary cutter for crushing the backlight while rotating and a suction pipe for sucking and removing the crushed backlight.
The method according to claim 7,

The rotary cutter is provided with a plurality of blades spaced apart from each other, the interval between the blades of the glass display device, characterized in that 2 ~ 3cm.
The method according to claim 1,

And a sensor for measuring and aligning the size of the placed waste display.
A waste display decomposition apparatus comprising a glass separation apparatus of a waste display of claim 1.
A method for separating a glass portion from a waste display comprising a glass portion comprising glass, a panel and sheets, and a backlight portion comprising a light source, using the glass separating apparatus of the closed display of claim 1,

Injecting a closed display into the device with the front facing upwards;

Fixing the injected closed display;

Drilling holes in the front surface of the fixed closed display, and forming a through hole only in the glass part of the closed display;

Inserting and hooking a hook between the glass part and the backlight through the through hole; And

Lifting the hook upwards to separate the glass;

Glass separation method of the waste display, characterized in that all the steps except the step of injecting the waste display is automatically performed.
The method according to claim 11,

After separating the glass portion,

The glass separation method of the waste display, characterized in that the glass portion further removed by crushing and separating the exposed backlight.
The method according to claim 12,

In the step of crushing and separating the backlight, the glass separation method of the waste display, characterized in that the suction by removing the crushed backlight.
The method according to claim 13,

Glass suction method of the waste display, characterized in that the suction speed is more than 20m per second.
The method according to claim 11,

Prior to fixing the input waste display, the method of separating the glass of the waste display, characterized in that it further comprises the step of sensing and aligning the size of the waste display.
A method of decomposing a closed display comprising a glass portion including glass, a panel and sheets, and a backlight portion including a light source,

The method of claim 11, comprising the step of separating the glass portion of the waste display.