JP5644778B2 - Glass plate processing equipment - Google Patents

Description

  The present invention relates to a method for linearly grinding a peripheral edge of a glass plate for a solar cell, a liquid crystal television, a plasma television and the like and an apparatus for grinding. The present invention also relates to a processing method and a processing apparatus for a glass plate that grinds (or can also polish) four sides around the square glass plate.

  Furthermore, this invention relates to the processing method and processing apparatus of a glass plate which can also perform the corner cutting process of a 4-corner part with the grinding process of 4 surroundings of a square-shaped glass plate.

  Furthermore, the present invention provides an improved glass plate processing method and processing apparatus that holds and holds a quadrangular glass plate, rotates and stops 90 ° at a time, moves linearly (horizontally), and sequentially processes four sides. Concerning.

  FIG. 6 shows a conventionally proposed apparatus for processing a glass plate in the field of the present invention.

  In this glass plate processing apparatus, a grinding area 50 is disposed on the front surface, and a glass plate insertion area 51 is disposed on one side of the grinding area 50. In the lower part of the grinding area 50, a grinding means 53 having a grinding wheel 52 is provided.

  The rotary suction cup device 54 moves in the Y-axis through the grinding area 50 and the glass plate insertion area 51, and the single rotary suction cup device 54 receives the glass plate 2 in the insertion area 51 and sucks it. Holding and proceeding to the grinding area 50, the glass plate 2 is rotated and stopped by 90 °, and the lower end that has been turned to the lower end is moved in the Y-axis in a state parallel to the Y-axis moving line 55. The operation of grinding the lower end side 24 by the grinding means 53 is repeated for each side, and when the grinding of the four sides of the glass plate 2 is finished, the processing returns to the glass plate entry area 51 to release the processed glass plate 2 and the next glass. Receive board 2. The rotary suction cup device 54 sucks and holds the received glass plate 2 and again proceeds to the grinding area 50 to perform grinding.

  In the conventional glass plate processing apparatus, there is one glass plate entry area with respect to the grinding processing area. Therefore, as a matter of course, there is only one rotary sucker device that holds the glass plate and moves between the grinding area and the glass plate insertion area.

  For this reason, the rotary sucker device always performs either one of the delivery of the glass plate or the grinding operation. Therefore, when the glass plate is transferred in the glass plate entry area, naturally, grinding is not performed. Grinding is only performed intermittently at time intervals. For this reason, it is far from the continuity of the grinding process, and the productivity is not increased at a very impossible rate.

  In addition, the rotary sucker device has no waiting time and cannot perform other necessary processing such as corner cutting.

  Therefore, the present invention eliminates defects as in the conventional glass plate processing apparatus, the grinding operation is performed more continuously, the efficiency is increased, and the glass plate processing method and the glass plate with high productivity are provided. It is intended to provide a processing device.

  Furthermore, the present invention is intended to provide a glass plate processing method and a glass plate processing apparatus that can perform corner cutting of four corners in accordance with the grinding of four sides of the glass plate.

  The present invention, in the left-right direction of the front, the glass plate entering area on both sides, the grinding processing area is arranged in the center, and the Y-axis track is provided through the glass plate entering area and the central grinding processing area on both sides, On this Y-axis track, two rotary sucker devices are provided so as to move in the Y-axis corresponding to the respective glass plate entry areas, and one rotary sucker device proceeds to the grinding area to perform grinding processing. When the other rotary sucker device releases and receives the glass plate in the glass plate entry area, and then the one rotary sucker device returns from the grinding area to its own glass plate entry area. In the grinding process, the two rotary suction cups are alternately moved so that the other rotary suction cup device advances while holding the glass plate and performs the grinding process. To hold the glass plate from the lath-inserting area by proceeding grinding area is adapted to perform grinding.

  In the present invention, each rotary sucker device rotates and stops the held glass plate by 90 ° in the grinding area, and the lower end side that has come to the lower end is parallel to the Y axis movement line. This is a glass plate processing method in which the operation of moving the axis and grinding the lower end side of the glass plate by the grinding means is repeated for each side to grind the four sides of the glass plate.

  Further, in the present invention, in the front left and right direction, a glass plate entrance area is arranged on both sides, a common grinding area is arranged in the center, and the Y axis extends through the glass plate entrance area and the center grinding area on both sides. A track is provided, and on this Y-axis track, two rotary sucker devices are arranged so as to move in the Y-axis independently of each other, corresponding to each glass plate insertion area, and one rotary sucker The device reciprocates between one glass plate entry area and the grinding area, and the other rotary suction cup device reciprocates between the other glass plate entry area and the grinding area. The grinding means is arranged to proceed alternately to the grinding area, and in the lower part of the grinding area, there is provided a grinding means having a grinding wheel positioned in the passage on the lower end side of the glass plate. The rotary sucker device includes a Y-axis moving base that is numerically controlled to move in the Y-axis, an X-axis moving means that is provided on the front surface of the Y-axis moving base in a direction perpendicular to the Y-axis and the X-axis moving means. A rotary sucker provided along the X axis is provided in front of a moving body that is controlled numerically by the axis moving means and moves along the X axis, and the rotary sucker is provided along the plane coordinate system plane composed of the Y axis and the X axis on the front surface. The glass plate is sucked and held, and numerically controlled rotation and stop are performed. Each rotary sucker device sucks and holds the glass plate on the rotary sucker, and rotates and stops the glass by 90 °. The lower end side of the plate is parallel to the Y axis, and the X axis moving means adjusts the distance from the lower end side of the glass plate to move the Y axis, and the lower end side is rubbed with the grinding wheel of the grinding means. Repeat the grinding process for each side of the glass plate. In addition, the two rotary sucker devices are glass plate processing devices that release the processed glass plate and receive the next glass plate in each glass plate entry area. .

  According to the glass plate processing method and processing apparatus of the present invention as described above, the glass plate insertion areas are provided on both sides of the grinding area, and the respective rotary suction cup devices are alternately arranged from the glass plate entry areas on both sides. The plate is sucked and held and advanced to the common grinding area to perform grinding. For this reason, when one rotary suction cup device is grinding in the grinding area, the other rotary suction cup device can deliver the glass plate in the glass plate entry area. When grinding is being performed in the processing area, the one rotary suction cup device can return to its own glass plate entry area and release the processed glass plate and receive the next glass plate.

  For this reason, in the processing cycle per glass plate, the time for releasing the processed glass plate in the glass plate insertion area and receiving the next glass plate can be eliminated, and the grinding processing in the grinding processing area can be performed more continuously. Is called. Therefore, the processing production capacity within a unit time becomes very large.

  Also, if each glass plate entry area is equipped with a corner cut processing device, the other rotating suction cup device can release the processed glass plate in this glass plate entry area while grinding the four surrounding sides in the grinding process area. The next glass plate can be received and the glass plate can be cut into corners.

  For this reason, the processed glass plate by which the corner cutting process (4 corners) was carried out with the grinding process of 4 surrounding sides is obtained in one cycle.

  According to the present invention, defects such as those of a conventional glass plate processing apparatus are removed, and grinding operations are performed more continuously, efficiency is increased, and a glass plate processing method and glass plate with high productivity are provided. A processing device may be provided. Furthermore, according to the present invention, it is possible to provide a glass plate processing method and a glass plate processing apparatus that can perform corner cutting of four corners in accordance with grinding of four sides of the glass plate.

FIG. 1 is a front view of a glass plate processing apparatus showing an embodiment of the present invention. 2 is a view taken along the line II-II of the glass plate processing apparatus shown in FIG. FIG. 3 is a cross-sectional view taken along the line III-III of the glass plate processing apparatus shown in FIG. FIG. 4 is an explanatory view showing that the glass plate processing method is being carried out in the glass plate processing apparatus shown in FIG. FIG. 5 is an explanatory view showing that the glass plate processing method is being carried out in the glass plate processing apparatus shown in FIG. FIG. 6 is an explanatory diagram of the prior art.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Of course, since the glass plate processing method of this invention is implemented in a glass plate processing apparatus, the processing method of this invention is demonstrated with embodiment about a glass plate processing apparatus.

  As shown in FIGS. 1, 4 and 5, the glass plate processing apparatus 1 has a grinding area 23 on the right side R of the grinding area 23 at the center C along the left-right direction on the front. The glass plate entry area S1 is arranged on the left side L, and the glass plate entry area S2 is arranged on the left side L.

  And the common Y-axis guide rails 3 and 3 are provided through the said grinding area 23 of the center C, and the glass plate insertion area S1 and S2 of both sides. The Y-axis guide rails 3 and 3 are attached to the front surface of a pedestal 32 that is erected on standing structures 31 and 31 that are erected from the base 30.

  Two rotary suction cup devices 4A and 4B are attached to the common Y-axis guide rails 3 and 3 through slide blocks, and are slidably guided in the Y-axis direction.

  One of the two rotary suction cup devices 4A and 4B is the first rotary suction cup device 4A, and the other is the second rotary suction cup device 4B. On the right side R, the first rotary suction cup device 4A moves numerically between the glass plate insertion area S1 and the grinding area 23 at the center C and moves in the Y axis, and the second rotary suction cup device 4B moves on the left side L. , The glass plate entering area S2 and the grinding area 23 at the center C are numerically controlled to move in the Y axis.

  The first rotary suction cup device 4A is Y-axis driven by a first Y-axis servo motor 6 and a feed screw 7, and the second rotary suction cup device 4B is Y-axis driven by a second Y-axis servo motor 8 and a feed screw 9. Accordingly, the first rotary suction cup device 4A and the second rotary suction cup device 4B perform the Y-axis movement independently of each other.

  Next, the structure and operation of the first rotary suction cup device 4A and the second rotary suction cup device 4B will be described.

  The first rotary suction cup device 4A and the second rotary suction cup device 4B have the same structure and operation, so the first rotary suction cup device 4A will be described below.

  The first rotary suction cup device 4A is attached to the Y-axis guide rails 3 and 3 via a plurality of slide blocks 11 and 11, and is attached to the front surface of the Y-axis move base 10. An X-axis moving means 12 and a rotary suction cup 5A attached to the front surface of the X-axis moving body 13 constituting the X-axis moving means 12 are provided.

  The Y-axis driven feed screw 7 is connected to the Y-axis moving table 10 via a nut (not shown).

  The X-axis moving means 12 includes guide rails 14 and 14 attached to the front surface of the Y-axis moving table 10, an X-axis moving body 15 linearly guided in the X-axis direction by the guide rails 14 and 14, and the X-axis moving unit 12. It comprises an X-axis servo motor 16 and a feed screw 17 for moving the moving body 15 in the numerically controlled X-axis. The guide rails 14 and 14 are attached orthogonally to the Y-axis guides 3 and 3.

  Therefore, the X-axis moving body 15 and the rotary suction cup 5A attached to the front surface of the X-axis moving body 15 perform X-axis movement (vertical movement) perpendicular to the Y-axis. Further, of course, the rotary sucker 5A is attached in parallel to the X axis, holds the glass plate 2 by suction, and rotates the glass plate 2 along a plane coordinate system composed of the Y axis and the X axis.

  The rotary suction cups 4A and 4B are provided with a rotation driving device. This rotational drive device receives a command from the NC device, and rotates the suction portion 18 of the glass plate 2 and thus the glass plate 2 by numerical control.

  The entire first rotating device 4A configured as described above is numerically controlled by the first Y-axis servomotor 6 that receives a command from the NC device and moves in the Y-axis (horizontal movement), and the rotary suction cup 5A also receives a command from the NC device. The X-axis movement (up-and-down movement) numerically controlled by the received X-axis servomotor 16 is performed. Therefore, the rotary suction cup 5A rotates the glass plate 2 attracted and held numerically controlled along the plane coordinate system plane while moving the plane coordinate system composed of the Y axis and the X axis.

  Of course, the second rotary suction cup device 4B and the rotary suction cup 5B are independently adsorbing the same numerically controlled Y-axis movement and X-axis movement and glass plate to the first rotary suction cup device 4A and the rotary suction cup 5A. The same numerically controlled rotation is performed.

  The grinding area 23 in the center C is a common area where the first rotary suction cup device 4A and the second rotary suction cup device 4B suck and hold the glass plate 2 and proceed alternately to perform the grinding operation. . Further, the first rotary suction cup device 4A and the second rotary suction cup device 4B rotate and stop the held glass plate 2 by 90 degrees and move in the X axis in this grinding area 23, and move the X axis. Grinding is performed by repeatedly moving left and right.

  The grinding means 20 is installed in the common grinding area 23. Of course, the grinding means 20 includes a grinding wheel 21. The grinding wheel 21 is provided in accordance with the path of the lower end side 24 of the glass plate 2 sucked and held by the rotary suction cups 5A and 5B of the first rotary suction cup device 4A and the second rotary suction cup device 4B.

  The grinding means 20 includes a grinding head 27 provided with the grinding wheel 21, a spindle motor 26 to which the grinding wheel 21 is attached, and a rotational motor for driving the grinding wheel 21, and the grinding head 27 along the Y axis. And a grinding head moving means 28 that moves in parallel. The grinding head moving means 28 is attached to the base 30 via a bracket 29.

  The grinding head moving means 28 is connected to the upper surface of the bracket 29 via guide rails 33, 33 attached in parallel to the Y axis (Y axis on which the glass plate holder moves) and a slide block. The moving table 34 includes a moving table 34 attached to the moving table 34, a feed screw 35 that moves the moving table 34, and a feed motor 36 that drives the feed screw 35. The grinding head 27 is attached to the moving table 34. Yes.

  In this embodiment, as shown in FIGS. 1, 4 and 5, one grinding head 27 is provided, but usually two or three grinding heads are provided in accordance with the grinding quality.

  The grinding wheel 21 is moved in parallel with the Y axis by the grinding head moving means 28.

  In the grinding means 20, the grinding action point of the grinding wheel 21 is located at a height position where the lower edge 24 (edge coming to the lower edge) of the glass plate 2 passes.

  In the central area C, the grinding process of the lower end side 24 of the glass plate 2 held by the rotary suction cup device 4A and 4B is such that the glass plate 2 held by the rotary suction cup device 4A or 4B and the grinding wheel 21 face each other. It moves and grinds in a state where both sides rub against each other.

  In this way, the moving distance of both was short and the grinding time was shortened. Moreover, the length of the whole processing apparatus 1 of a glass plate was shortened.

  Each of the glass plate entrance areas S1 and S2 arranged on both sides is the glass plate 2 that has been processed by the first rotary suction cup device 4A and the second rotary suction cup device 4B alternately from the grinding area 23 in the central area C. Is the position where the processed glass plate 2 is opened and the next glass plate 2 is received.

  Furthermore, it is also an area where corner cut processing of the next received glass plate 2 is performed first. That is, when each of the first rotary suction cup device 4A and the second rotary suction cup device 4B receives the next glass plate 2, first, in each glass plate entry area S1 or S2, four locations of the glass plate 2 are provided. Cut corners at the corners.

  For this reason, each glass plate entrance area S1, S2 is provided with a corner cut processing device 40. As shown in FIGS. 1, 4 and 5, the corner cut processing apparatus 40 in this embodiment of the glass plate processing apparatus 1 is equipped with a corner cut wheel 41 and the corner cut wheel 41. A spindle motor 42 that rotates the cut wheel 41 and a slide device 43 that holds the spindle motor 42 and adjusts the plane lines of the corner cut wheel 41 and the glass plate 2 are provided. The corner cut processing device 40 is mounted on the bracket 44 standing from the base 30 via the slide device 43. The operation of the corner cutting process of each of the first rotary suction cup device 4A and the second rotary suction cup device 4B is to perform the Y-axis movement and X-axis movement of the rotary suction cups 5A and 5B holding the glass plate 2 by suction. However, the glass plate 2 is further numerically controlled and rotated, the corner of the glass plate 2 is applied to the corner cut wheel 41 and moved according to the shape stored in advance.

  The corner cutting process is performed at four corners while the glass plate 2 is stopped rotating.

  Each of the glass plate entry areas S1 and S2 is disposed in a position where the glass plate entry areas S1 and S2 and the grinding area 23 at the center C do not interfere with each other when the glass plate 2 is rotated. RT and LT may be provided near the end of the Y-axis track 22 with a margin.

  Next, the processing method of the glass plate 2 by the glass plate processing apparatus 1 as described above will be described.

  The first rotary suction cup device 4A and the second rotary suction cup device 4B hold the glass plate on the front surface and alternately place the glass plate insertion areas S1 and S2 on both sides and the grinding area 23 at the center C alternately. The grinding process is performed alternately in the grinding process area 23.

  That is, as shown in FIGS. 1 and 4, when the first rotary suction cup device 4A receives the glass plate 2 and performs the corner cutting process of the received glass plate in the glass plate insertion area S1, the second rotary suction cup device The apparatus 4B performs grinding of four sides of the glass plate in the grinding area 23 in the central area C.

  When the grinding of the second rotary suction cup device 4B in the grinding area 23 is completed, the second rotary suction cup device 4B holds the processed glass plate 2 and returns to its own glass plate insertion area S2 to perform the grinding processing. The glass plate 2 is released, the next glass plate 2 is received, and corner cutting is started. At this time, one of the first rotary suction cups 4A already holds the glass plate 2 that has been subjected to the corner cutting process, proceeds to the grinding area 23, and performs the grinding operation on the four sides around the glass sheet 2.

  When the grinding of the first rotary suction cup device 4A in the grinding area 23 is completed, the first rotary suction cup device 4A again holds the ground glass plate from the grinding area 23 and holds its own glass plate. Returning to the entry area S1, the ground glass plate is released, the next glass plate is received, and the corner cut processing of this glass plate is started. On the other hand, in the grinding area 23, the second rotary suction cup device 4 </ b> B holds the next glass plate 2 that has undergone the corner cut and proceeds, and grinding of the four sides around the corner cut glass plate 2. I do.

  The first rotary suction cup device 4A and the second rotary suction cup device 4B alternately perform the transfer and corner cutting of the glass plate 2 in the respective glass plate entry areas S1 and S2, and alternately go to the grinding processing area 23 in the center C. By proceeding and performing the four-side grinding process, the grinding process in the grinding process area 23 becomes more continuous and the production capacity of the glass sheet grinding process is increased.

  The grinding operation of the four sides around the glass plate by the first rotary suction device 4A and the second rotary suction device 4B in the grinding area 23 in the center C is the same as the conventional glass plate processing device. The square glass plate held on the rotary suction cups 5A and 5B is rotated and stopped by 90 °, and the lower end side 24 that has turned to the lower end is parallel to the Y axis and moved by the X axis to move the lower end side 24 of the grinding means 20. The operation of moving the Y-axis with the distance to the grinding wheel 21 adjusted and grinding the lower end side 24 by rubbing with the grinding wheel 21 of the grinding means 20 is repeated for each side, and four sides are ground. I do. As described above, the grinding process is performed in such a manner that the glass plate 2 and the grinding wheel 21 of the grinding means 20 are moved to face each other and come into contact with each other.

1 Glass plate processing equipment 4A, 4B Rotary suction cup device 23 Grinding area

Claims (2)

In the left-right direction of the front, the glass plate entry area is located on both sides, and the common grinding area is located in the center. A Y-axis track is provided through the glass plate entry area and the center grinding area on both sides. The two rotary sucker devices are moved on the shaft track so as to move in the Y-axis independently of each other corresponding to the respective glass plate entry areas. The rotary suction cup moves between the plate entry area and the grinding area, and the other rotary sucker moves between the other glass plate insertion area and the grinding area, and both the rotary suction cups are alternately ground. In the lower part of the grinding area, a grinding means is provided in which a grinding wheel is positioned in the lower end side of the glass plate. Is a Y-axis moving table that moves numerically and moves in the Y-axis, an X-axis moving unit that is provided in front of the Y-axis moving table along the vertical direction with respect to the Y-axis, and a numerical value in the X-axis moving unit A rotating sucker mounted along the X axis on the front side of the controlled moving body that moves along the X axis, the rotating sucker on the front surface, and a glass plate along a plane coordinate system plane composed of the Y axis and the X axis. And rotating and stopping numerically controlled, and each rotary sucker device holds the glass plate by suction and holds the glass plate by 90 ° rotation / stop. The lower end side of the glass plate is parallel to the Y axis, and the X axis moving means adjusts the distance from the lower end side of the glass plate to move the Y axis, and the lower end side is rubbed with the grinding wheel of the grinding means. Repeat the grinding process for each side of the glass plate In addition, the two rotary suction cups are designed to release the processed glass plate and receive the next glass plate in each glass plate entry area. The grinding means provided in the glass plate processing apparatus is configured to move face-to-face with respect to the rotary suction cup device that holds the glass plate and moves parallel to the Y axis. The glass plate processing apparatus according to claim 1, wherein each glass plate entry area on both sides is provided with corner cut processing means having a corner cut wheel.

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