KR100427858B1 - Abrasive blasting machine for glass panel - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a glass panel polishing apparatus, and basically, polishing pads and glass panels are disposed at the top and bottom, respectively, so that they can be set from the top to the bottom when the glass panel is replaced, and the polishing pad is rocked at the same time. As the panel can be polished while rotating in the lower part, the glass panel can be easily replaced, and a large glass panel such as PDP glass can be easily handled. In addition, it is possible to improve overall workability and productivity with respect to the polishing process of the glass panel, such as increasing the precision of polishing as polishing operation is performed in a stable seating state of the glass panel, and at the same time improve the product quality. It is an object of the present invention to provide a glass panel polishing apparatus.

Description

Glass panel polishing machine {Abrasive blasting machine for glass panel}

The present invention relates to a glass panel polishing apparatus, and more particularly, a polishing pad is disposed on the upper portion, and a glass panel for polishing is disposed on the lower portion, using a rocking movement of the polishing pad and a rotational movement of the glass panel. By providing a glass panel polishing apparatus that performs a polishing operation, it facilitates simultaneous work on a large number of glass panels as well as a large number of glass panels, thereby improving workability and productivity, and ultimately increasing the precision of polishing. The present invention relates to a glass panel polishing apparatus capable of improving quality.

In general, glass panels used in flat panel TVs, notebook computers, flat panel computers, and LCDs perform polishing on surfaces for precise flatness.

Existing glass panel polishing apparatuses hold and rotate the glass panel using the upper surface plate and the holder of the substrate disposed on the upper part, and polish the surface of the glass panel while supplying the abrasive while contacting with the polishing means disposed at the bottom. In a way.

In addition, in order to increase the effect of the polishing operation on the glass panel, a method of swinging the top plate and the entire substrate including the glass panel from side to side is applied.

In the conventional polishing method, the glass panel is picked up by the operator and fixed from the bottom up, so that the work process is difficult, inconvenient, and risks of falling off, and the worker could not check the polishing state of the glass panel. In general, work time and productivity are deteriorated, such as a considerable amount of time is required. In recent years, as electronic devices such as computers and TVs become larger, the size of glass panels is gradually increasing, and there is a disadvantage in that it is difficult to handle the surface of such a large-area glass.

In addition, by applying a method of swinging the top plate and the entire substrate including the glass panel to the left and right, excessive friction occurs when the direction is changed, and the holder and the glass panel collide with each other, resulting in the edge portion of the glass panel There is a disadvantage in that the accuracy of the overall flatness is falling, such as excessive wear and tear.

In order to solve such disadvantages, Korean Laid-Open Patent Publication No. 2000-18555 employs a carrier means to secure the glass panel and rotates the polishing means on the glass panel instead of the glass panel, thereby polishing the glass panel. Although this method is proposed, it also has a problem that it is difficult and difficult to handle large glass panels that are heavy and bulky because they have to work from the bottom up when replacing the glass panels.

Accordingly, the present invention has been devised in view of the above, and basically, the polishing pad and the glass panel are disposed at the top and the bottom thereof so that the glass panel can be set from the top to the bottom when the glass panel is replaced. At the same time, the glass panel can be polished while the glass panel is rotated on the lower part, thereby making it possible to check the polishing state of the glass panel and to facilitate the replacement of the glass panel. Large glass panels such as PDP glass can be handled easily, and work is generally performed in relation to the polishing of glass panels, such as increasing the precision of polishing as polishing is performed under stable mounting of the glass panels. Product quality by reducing defect rates while improving productivity and productivity To provide a glass panel, the polishing apparatus so as to improve it is an object.

Glass panel polishing apparatus of the present invention for achieving the above object is performed on the glass panel using the polishing pad disposed on the upper portion of the main body and the vertical operation by the pressure cylinder and the upper plate for fixing thereof. And a holder disposed at a lower portion of the main body and having a fence for collecting abrasive, and having at least two panel seating grooves in which the glass panel is set, and performing rotation for polishing the glass panel. Water and abrasive mixed between the lower platen and its main shaft, the main motor which is a plurality of pulley transmission means and driving source for rotating the spindle and the lower plate, and the polishing pad and the lower platen glass panel. It characterized by including an abrasive supply pump for supplying a liquid.

Another object of the present invention is to provide a glass panel polishing apparatus, wherein the head is supported on a rotatable column and rotates at an angle from side to side by a crank movement link and a sub-motor.

In addition, the head is another object to provide a glass panel polishing apparatus, characterized in that the support is supported by a rotatable structure in the vertical direction at the front end of the head body to be set up by 90 ° by one side of the folding cylinder.

In addition, the upper plate including the polishing pad is coupled to the structure rotatable freely with respect to the head is another object to provide a glass panel polishing apparatus, characterized in that to be interlocked together when the glass pad is rotated.

1 is a front view showing a glass panel polishing apparatus according to the present invention

2 is a plan view showing a glass panel polishing apparatus according to the present invention

Figure 3 is an enlarged cross-sectional view of the main portion of the glass panel polishing apparatus according to the present invention

4 to 6 is an operating state of the glass panel polishing apparatus according to the present invention

<Explanation of symbols for main parts of drawing>

10 pressure cylinder 11 polishing pad

12: upper plate 13: head

14: fence 15: panel seating groove

16 holder 17 lower plate

18: spindle 19: main motor

20: abrasive pad 21: column

22: link 23: sub-motor

24: head body 25: cylinder for flipping

26: axis 27: bracket

28: negative 29: tensioner

30: pipe 31: main pulley

32: middle pulley 33: driving pulley

34: belt

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

The glass panel polishing apparatus of the present invention is largely composed of a head portion including an upper polishing means, a holder and a lower plate portion including a lower glass panel, and respective driving portions for operating them.

1 and 2, the head 13 disposed on the upper portion of the main body 100 is rotatable in the up and down direction while being supported by the shaft 26 at the tip of the head body 24, the head ( 13, the pressurizing cylinder 10 and the upper surface plate 12 are integrally coupled to the upper end and the lower end of 13).

The top plate 12 is a portion for holding a polishing pad 11 made of a urethane material mixed with about 30% of the abrasive, and the pressurizing cylinder 10 includes a top plate including the polishing pad 11. Lowering or raising (12) serves to apply a suitable pressure to the glass panel (1) in contact with the bottom.

At this time, the upper surface plate 12 is supported by a structure that can be freely rotated with respect to the head 13 by using a bearing means, and thus the polishing pad 11 in accordance with the contact with the rotating glass panel (1) And the upper surface plate 12 can be rotated together, but the speed of the glass panel 1 is different according to the left and right rotation of the head 13 and the head body 24 to retreat.

In particular, the head 13 can be rotated in the up and down direction with the axis 26 as a center point, for this purpose is to install a cylinder 25 for the fold on the rear head body 24 of the head 13, When the rod is connected to the bracket 27 on the head 13, the head 13, the polishing pad 11, and the upper surface plate 12 are moved in a horizontal position by the forward and backward motion of the folding cylinder 25. 90 ° can be switched to a standing posture, and such a posture change can be used to facilitate operations such as replacement of the polishing pad 11, maintenance of the head, and the like.

In addition, the head body 24 including the head 13 is rotatable horizontally through the column 21 vertically extending from the rear end, for which the column 21 is a plurality of bearing means It is supported on the main body 100 by a medium, and on one side thereof is coupled to the sub-motor 23, the disk 28, which is mounted on the shaft of the sub-motor 23, the disk 28 and a pin structure While the link 22 is provided between the head main body 24 and the sub-motor 23 is operated, the head 13 and the head body 24 by the crank motion of the disc 28 and the link 22 is provided. The whole can be rotated repeatedly within the range of the left and right constant angles around the column 21.

That is, it has a cycle in which one head reciprocating motion of the head 13 and the head main body 24 per revolution of the disc 28 progresses.

The left and right repetitive rotational movements of the head 13 and the head body 24 enable uniform contact over the entire area between the polishing pad 11 and the glass panel, thereby contributing to enhancing the polishing effect.

The lower plate 17 for setting the glass panel and the holder 16 thereon are disposed below the main body 100 while being in line with the head 13, and are rotatable by the main shaft 18. Is installed.

The upper surface of the holder 16 is provided with at least one panel seating groove 15, the bottom of the panel seating groove 15 is a built-in shock absorbing Bellatic pad 16a and the glass on the Bellatic pad 16a The panel can be seated and held firmly. The surface of the seated glass panel may be seated about 0.5 mm higher than the upper surface of the holder 16 in order to minimize friction between the polishing pad 11 of the upper surface plate 12 and the holder 16 during polishing. Do.

In addition, the area for the polishing operation including the holder 16 and the lower plate 17 is at a constant height and is surrounded by a fence 14 inclined to one side, thereby preventing the surrounding contamination from water, abrasives, etc. supplied thereto. It is possible to prevent, one side of the fence 14 is provided with means for recovering and treating water, abrasives, glass particles and the like.

The means for supplying the abrasive is provided with an abrasive supply pump 20, the abrasive supply pump 20 is installed separately to one side of the main body 100, through a pipe 30 extending to the working period It is possible to supply the abrasive.

Rotation operation of the holder 16 and the lower plate 17 including the glass panel is in charge of the main motor 19 and a plurality of pulley transmission means.

To this end, a main pulley 31 is mounted on the main shaft 18 supporting the holder 16 and the lower plate 17 and an intermediate pulley 32 supported on the main body 100 is mounted on one side thereof. Since the respective belts 34 are connected between the driving pulley 33 and the middle pulley 32 of the main motor 19 and the middle pulley 32 and the main pulley 31, the power of the main motor 19 The main shaft 18 can be transmitted.

In addition, a tensioner 29 is disposed in the belt section between the intermediate pulley 32 and the main pulley 31 to enable tension adjustment of the belt.

Therefore, the operation state of the glass panel polishing apparatus according to the present invention configured as described above is as follows.

First, as shown in FIG. 4, the glass panel 1 is set in the panel seating groove 15 of the holder 16.

In this case, a plurality of glass panels may be simultaneously set according to the number of seating grooves on the upper surface of the holder 16.

Subsequently, as shown in FIG. 5, the surface of the glass panel is pressurized while the top plate 12 and the polishing pad 11 on its bottom are lowered by the pressurizing cylinder 10 of the head 13, and the main When the motor 19 is operated and the sub-motor 23 is operated, polishing of the glass panel is performed with the supply of the polishing liquid mixed with water and the abrasive.

That is, the glass panel is rotated along with the lower plate 17, and the polishing pad 11 is oscillated left and right repeatedly as shown in FIG. 6 with the head 13 while interlocking with the glass panel. The movement of each member makes it possible to uniformly remove the curvature of the entire surface of the glass panel 1.

Accordingly, the surface of the glass panel can be polished by the constant pressure of the upper surface plate 12 and the rotational force of the lower surface plate 17. At this time, the glass panel is stably fixed in the holder supported by the lower side without shaking, so that one side This lifting phenomenon can be completely eliminated, so that the polishing operation of the glass panel is uniformly made over the entire area, and a product having a high precision flatness can be obtained.

In addition, since the glass panel 1 is located above the lower plate 17 during polishing, an operator can grasp the precise state of the workpiece, that is, the glass panel 1, while reducing the defective rate.

In addition, when replacing the polished glass panel while setting it on the holder 16 as it is set, the replacement operation can be completed, so that heavy and large glass panels can be easily and effortlessly replaced. This allows for simultaneous operation, which can be a big advantage in terms of productivity.

As described above, the present invention provides a glass panel polishing apparatus which performs polishing in such a manner that the polishing pad on the upper side is pressurized and rocking means and the glass panel rotates on the lower side, thereby setting the glass panel from top to bottom when the glass panel is replaced. It is possible to easily replace glass panels, especially large glass panels such as PDP glass, and the polishing operation is performed under stable mounting state of glass panels. In addition, it is possible to check the polishing state of the glass panel during the operation to reduce the defective rate, such as the overall workability, productivity and product quality in relation to the polishing process of the glass panel.

Claims (4)

delete A head for polishing the glass panel by using the polishing pad 11 and the upper surface plate 12 for fixing the upper surface of the main body 100 and the upper and lower operation by the pressure cylinder (10). 13 and a holder 16 having a fence 14 for collecting abrasives and having at least one panel seating groove 15 in which a glass panel is set around the bottom of the main body 100. A lower platen 17 and its main shaft 18, which are accommodated and which perform rotation for polishing of the glass panel, and which are disposed inside the main body 100, and which rotate the main shaft 18 and the lower plate 17. In the main motor 19, which is a plurality of pulley transmission means and driving source, and an abrasive supply pump 20 for supplying an abrasive between the polishing pad 11 and the glass panel on the lower plate 17, the head 13 is supported on the rotatable column 21 while crank motion Possible link 22 and the glass panel grinding apparatus such a manner that enables the rotation angle to the left or right by the sub motor 23. According to claim 2, wherein the head 13 is supported by a structure that is rotatable in the vertical direction at the front end of the head body 24, it is characterized in that it can be set up by 90 ° by the one side cylinder 25 Glass panel polishing machine. The top plate 12 including the polishing pad 11 is coupled to the freely rotatable structure with respect to the head 13 so as to be interlocked with each other when the glass pad is rotated. Glass panel polishing machine.