JP2019006641A - Production method of glass plate, and production apparatus of glass plate - Google Patents

Abstract

To reduce an amount of a liquid attaching to a glass plate taken out of an end face processing step in a production process of a glass plate.SOLUTION: A production apparatus 1 of a glass plate is equipped with a transportation mechanism 2 for transporting a glass plate G to an end face processing step for processing an end face of the glass plate G in a horizontal posture while supplying a liquid, a posture changing step for changing the horizontal posture of the glass plate G to an inclined posture P2, and a washing step for washing the glass plate G in the inclined posture P2 in that order. The production apparatus 1 of a glass plate is equipped with a taking-out mechanism 3 that keeps the glass plate G at the inclined posture P2 between the posture changing step and the washing step and transports the glass plate G from the transportation mechanism 2 onto a predetermined mounting plane 4a.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a glass plate manufacturing method and a glass plate manufacturing apparatus.

  In recent years, for glass plates (glass substrates) used for flat panel displays such as liquid crystal display devices and organic EL display devices, the required specifications from customers have become increasingly strict, and it is indispensable to perform various quality controls. Yes.

  On the other hand, for the external size of the glass plate, a large size of, for example, 1000 mm × 1000 mm or more has become mainstream in order to realize higher manufacturing efficiency for reasons such as cost reduction.

  Under such circumstances, in the glass plate manufacturing process, for example, after each process is completed, the processed glass plate is subjected to a sampling inspection to improve the quality of the glass substrate as a final product. It was.

  And in order to perform this sampling inspection, the apparatus for extracting a glass plate from the conveyance mechanism which consists of a belt conveyor etc. is proposed (for example, refer patent document 1).

China Utility Model Notification No. 207771976

  By the way, since the end surface processing step of the glass plate is performed while supplying the liquid, the liquid adheres to the glass plate that has undergone the end surface processing step. In the case of a glass plate having a thin plate thickness and a large surface area, the glass plate is easily bent and damaged by the weight of the liquid adhering to the glass plate. Therefore, when extracting a glass plate after end surface processing, it is desired to reduce the amount of liquid adhering to the glass plate. Examples of the liquid supplied in the end face processing step include a cleaning liquid, a grinding liquid, and a polishing liquid. The cleaning liquid is supplied to clean a surface plate or the like that holds the glass plate by end face processing. For example, water or a liquid obtained by adding a detergent to water is used as the cleaning liquid. The grinding liquid and the polishing liquid are supplied mainly for the purpose of cooling the grindstone and removing chips, and for the grinding liquid and the polishing liquid, for example, water or a liquid obtained by adding a lubricant to water is used.

  This invention makes it a technical subject to reduce the amount of liquid adhering to the glass plate extracted after the end surface processing process in the manufacturing process of a glass plate in view of the said situation.

  The glass plate manufacturing method according to the present invention, which was created to solve the above-mentioned problems, is an end face processing step of processing the end face of a horizontal glass plate while supplying a liquid, and the horizontal glass plate is inclined. A method of manufacturing a glass plate in which a glass plate is transported by a transport mechanism in the order of a posture changing step for changing and a cleaning step for cleaning a glass plate in an inclined posture, wherein a sampling mechanism is provided between the posture changing step and the cleaning step. The glass plate is held in an inclined posture, and is provided with a sampling step of transferring from the transport mechanism to a predetermined placement surface.

  In this configuration, the glass plate is held in an inclined posture by the extraction mechanism and transferred from the transport mechanism to the placement surface. Since the tilt angle of the glass plate is greater than the horizontal angle with respect to the horizontal plane, the liquid adhering to the glass plate is likely to fall from the glass plate in the process of transferring the glass plate by the extraction mechanism. Therefore, the amount of liquid adhering to the extracted glass plate can be reduced.

  In the above configuration, the placement surface may be arranged on the side of the transport mechanism that is inclined upward in the inclined posture.

  If it is this structure, when moving a glass plate on a mounting surface from a conveyance mechanism, a glass plate will move to the side used as the inclination upper direction of an inclination attitude | position. Accordingly, an inertial force acts on the liquid so that the liquid adhering on the glass plate moves downward in the inclined posture, and the liquid is easily detached from the glass plate.

  In the above configuration, the mounting surface may be disposed on the side of the transport mechanism that is inclined downward in the inclined posture.

  With this configuration, when the glass plate is moved from the transport mechanism to the placement surface, it is not necessary for the glass plate to cross the upper part of the tilt of the transport mechanism. can do.

  In the above configuration, the sampling mechanism may suck the glass plate with a plurality of suction pads.

  If it is this structure, it will become possible to hold | maintain a large size glass plate stably with a sampling mechanism. Further, the glass plate can be easily held and released.

  In the above configuration, each of the plurality of suction pads is connected to a vacuum system via the valve portion, and the valve portion opens automatically while the suction pad is in contact with the glass plate, and the suction pad is attached to the glass plate. You may close in the state which is not contacting.

  If it is this structure, when trying to make a suction pad adsorb | suck to the glass plate (broken glass plate) with which one part was chipped, or a small size glass plate, it will connect with the suction pad located in the place where a glass plate does not exist The valve part is closed and the vacuum degree of the vacuum system is maintained. And since the valve part connected to the suction pad located in the place where a glass plate exists opens, a suction pad adsorb | sucks reliably to a glass plate. Therefore, a partially broken glass plate or a small-sized glass plate can be reliably sucked and held by the suction pad. Moreover, when making a suction pad adsorb | suck to a small size glass plate, the operation which closes manually the valve part connected to the suction pad located in the place where a glass plate does not exist becomes unnecessary.

  In the above configuration, the plurality of suction pads may be arranged so as to be sucked to the peripheral edge portion of the glass plate having a plurality of types of sizes.

  If it is this structure, since the peripheral part of a glass plate will be adsorb | sucked, when attracting | sucking any of the glass plate of several types of sizes, the glass plate of several types of sizes can be hold | maintained reliably. Moreover, since the place where the suction pad sucks is the peripheral edge of the glass plate, the glass plate can be stably sucked and held with a small number of suction pads.

  In the above configuration, the mounting surface may be an inclined surface on which the glass plate can be mounted in an inclined posture.

  With this configuration, the liquid attached to the glass plate can be easily detached from the glass plate on the placement surface.

  In the above configuration, the mounting surface is provided on the carriage, and the carriage is configured to be able to change the angle of the mounting surface, and the sensor detects the presence or absence of the carriage and the appropriateness of the inclination angle of the mounting surface. Also good.

  If it is this structure, after detecting the presence of a trolley | bogie with a sensor, a glass plate can be mounted in the mounting surface of a trolley | bogie. Further, the glass plate can be mounted on the mounting surface of the carriage after the sensor detects that the inclination angle of the mounting surface of the carriage is appropriate. Therefore, the glass plate can be reliably placed on the placing surface of the carriage. In addition, it is possible to prevent the extraction glass plate from being damaged or the apparatus from being damaged by performing the extraction step in a state where the carriage is not present or the inclination angle of the mounting surface is inappropriate.

  In the above configuration, the tray that supports the end surface of the glass plate may be provided on the side of the mounting surface that is inclined downward, and the basket may be disposed directly below the tray. In this case, the liquid released from the glass plate may be supplied to the basket by discharging it from a plurality of through holes of the tray and dropping it.

  With this configuration, the remaining liquid can be removed from the glass plate, and the removed liquid can be collected with a scissors.

  In the above configuration, a tray that supports the end surface of the glass plate may be provided on the side of the mounting surface that is inclined downward, and a discharge port for discharging the liquid may be disposed. In this case, the liquid that is detached from the glass plate may flow along the tray and be guided to the discharge port.

  With this configuration, the remaining liquid can be removed by the discharge port while being collected by the receiving tray.

  In addition, the glass plate manufacturing apparatus according to the present invention, which was created to solve the above-described problems, is an end surface processing step for processing the end surface of a horizontal glass plate while supplying a liquid, and the horizontal glass plate is inclined. The glass plate manufacturing apparatus includes a transport mechanism for transporting the glass plate in the order of the posture changing step for changing the posture to the cleaning step and the cleaning step for cleaning the glass plate in the inclined posture, between the posture changing step and the cleaning step. Thus, the glass plate is held in an inclined posture and is provided with a sampling mechanism for transferring from the transport mechanism to a predetermined placement surface.

  According to this structure, the effect | action and effect substantially the same as the 1st structure of the manufacturing method of a glass plate can be acquired.

  As described above, according to the present invention, in the glass plate manufacturing process, the amount of liquid adhering to the glass plate extracted after the end face processing step can be reduced.

It is a schematic plan view which shows the principal part of the manufacturing apparatus of the glass plate which concerns on embodiment of this invention. (A) is a cross-sectional view taken along line XX in FIG. 1, (B) is a cross-sectional view taken along line Y-Y in FIG. 1, and (C) is a cross-sectional view taken along line ZZ in FIG. It is a schematic side view which shows the extraction mechanism of a glass plate. It is the schematic which shows arrangement | positioning of a suction pad. It is a schematic diagram explaining piping regarding a suction pad. It is a schematic side view for demonstrating operation | movement of the extraction mechanism of a glass plate. It is a schematic side view for demonstrating operation | movement of the extraction mechanism of a glass plate. It is a schematic side view for demonstrating operation | movement of the extraction mechanism of a glass plate. It is a schematic side view for demonstrating operation | movement of the extraction mechanism of a glass plate. It is a schematic side view for demonstrating operation | movement of the extraction mechanism of a glass plate. It is a schematic side view for demonstrating operation | movement of the extraction mechanism of a glass plate. It is a schematic side view for demonstrating operation | movement of the extraction mechanism of a glass plate. It is a schematic side view for demonstrating operation | movement of the extraction mechanism of a glass plate. It is a schematic side view for demonstrating operation | movement of the extraction mechanism of a glass plate. It is a schematic side view of the 1st modification of the extraction mechanism of a glass plate. It is a schematic side view of the 2nd modification of the extraction mechanism of a glass plate. It is a schematic plan view of the mounting part of the 2nd modification.

  Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.

  As shown in FIG. 1, a glass plate manufacturing apparatus 1 used in a glass plate manufacturing method according to an embodiment of the present invention includes a transport mechanism 2 that transports a glass plate G in a predetermined transport direction. The transport mechanism 2 is configured by, for example, a belt conveyor or a roller conveyor. The transport mechanism 2 includes a first transport mechanism 2a, a second transport mechanism 2b, and a third transport mechanism 2c. As indicated by the white arrows, the glass plate G is transported in the order of the first transport mechanism 2a, the second transport mechanism 2b, and the third transport mechanism 2c. The glass plate G is a rectangular flat plate, and the side (for example, long side) is conveyed in the state along the conveyance direction.

  In the middle of the transport path of the first transport mechanism 2a, an end surface processing step S1 for processing the end surface of the glass plate G while supplying liquid is performed. A cleaning step S3 for cleaning the glass plate G using a cleaning liquid is performed on the glass plate G in the middle of the transport path of the third transport mechanism 2c. End face processing and washing may be performed while conveying the glass plate G, or may be performed in a state where conveyance is stopped.

  As shown in FIG. 2A, the glass plate G is transported in the horizontal posture P1 by the first transport mechanism 2a. On the other hand, as shown in FIG. 2C, the glass plate G is transported in the inclined posture P2 by the third transport mechanism 2c. Then, as shown in FIG. 2B, the posture of the glass plate G is changed from the horizontal posture P1 at the first transport mechanism 2a to the inclined posture P2 at the third transport mechanism 2c in the second transport mechanism 2b. The That is, the posture changing step S2 for changing the posture of the glass plate G from the horizontal posture P1 to the inclined posture P2 is performed on the glass plate G transported by the second transport mechanism 2b. In the third transport mechanism 2c, since the glass plate G is in the inclined posture P2, the cleaning liquid used in the cleaning step S3 quickly drops from the glass plate G.

  In the first transport mechanism 2a, the second transport mechanism 2b, and the third transport mechanism 2c, the transport direction of the glass plate G is along the horizontal direction. In the second transport mechanism 2b and the third transport mechanism 2c, the glass plate G in the inclined posture P2 is tilted with respect to the horizontal plane H by rotating around an axis parallel to the transport direction. The inclination angle α is, for example, 4 ° to 6 °. In the drawings, the inclination angle α is large for easy understanding (the same applies to the following drawings). In the first transport mechanism 2a and the second transport mechanism 2b, the inclination angle α of the glass plate G in the horizontal posture P1 is 0 °.

  Further, as shown in FIG. 3, the manufacturing apparatus 1 was extracted by the extraction mechanism 3 for extracting the glass plate G from the second transport mechanism 2 b and the extraction mechanism 3 between the posture changing step S <b> 2 and the cleaning step S <b> 3. And a carriage 4 on which a glass plate G is placed. In other words, between the posture changing step S2 and the cleaning step S3, there is provided a sampling step in which the glass plate G is held by the sampling mechanism 3 and transferred from the second transport mechanism 2b to the carriage 4. 3 is a side view seen in the same direction as the arrow of the YY line of FIG. For convenience, the second transport mechanism 2b side is the front side, and the cart 4 side is the rear side.

  The second transport mechanism 2b is supported by the support mechanism 2d. Then, when the second transport mechanism 2b itself changes from the horizontal posture to the inclined posture, the posture of the glass plate G is changed from the horizontal posture P1 to the inclined posture P2. A mechanism for changing the posture of the second transport mechanism 2b can be manufactured by a known technique (for example, see Japanese Patent Application Laid-Open No. 9-226916).

  The sampling mechanism 3 includes a gantry 5, a longitudinally moving part 6, a vertically moving part 7, and a suction pad 8. The gantry 5 is provided with a rail part 5a extending in the front-rear direction (lateral direction), and the front-rear moving part 6 is configured to move forward and backward along the rail part 5a. The vertical movement part 7 is supported by the longitudinal movement part 6 via the support part 7a, and the vertical movement part 7 moves up and down when the support part 7a moves up and down with respect to the longitudinal movement part 6. Has been.

  A plurality of suction pads 8 are disposed below the vertical movement unit 7. The suction pad 8 is for sucking and holding the glass plate G by suction to the glass plate G. The vertically moving portion 7 is in an inclined posture so that the suction pad 8 can suck the glass plate G in the inclined posture P2 in a lowered state. The back-and-forth moving part 6 and the up-and-down moving part 7 are for moving the glass plate G adsorbed by the adsorbing pad 8 in the state of the inclined posture P2.

  As shown in FIG. 4, the plurality of suction pads 8 are arranged in the vertical movement portion 7 so as to be sucked to the peripheral portions of the glass plates G, G1, and G2 having a plurality of types of sizes. In FIG. 4, the plurality of suction pads 8 form a row in the vertical direction and a row in the horizontal direction.

  As shown in FIG. 5, the plurality of suction pads 8 are connected to the pipe 10 via the first valve portion 9a. A negative pressure generation source 11 is connected to the pipe 10 via a second valve portion 9b. The negative pressure generating source 11 can be constituted by, for example, a vacuum pump, and a reservoir tank whose inside is maintained at a negative pressure may be disposed between the vacuum pump and the second valve portion 9b as necessary. Moreover, the compressed air source 12 is connected to the piping 10 via the 3rd valve part 9c. The compressed air source 12 can be constituted by, for example, a compressor, and a reservoir tank whose inside is maintained at a positive pressure may be disposed between the compressor and the third valve portion 9c as necessary. When the third valve portion 9c is closed and the second valve portion 9b is opened, the vacuum system is constituted by the negative pressure generating source 11 and the pipe 10. On the other hand, when the second valve portion 9 b is closed and the third valve portion 9 c is opened, high-pressure air flows into the pipe 10 from the compressed air source 12.

  The first valve portion 9a automatically opens with the suction end 8a of the suction pad 8 in contact with the glass plate G, and the suction end 8a of the suction pad 8 contacts the glass plate G. Close without doing so. Such a 1st valve part 9a can be comprised by the suction assist valve etc. by SMC, for example.

  As shown in FIG. 3, the carriage 4 is provided with a placement surface 4 a on which the glass plate G moved by the longitudinal movement portion 6 and the vertical movement portion 7 is placed. The placement surface 4a is provided on the placement portion 4b. The mounting surface 4a is an inclined surface on which the glass plate G can be mounted in the inclined posture P2. The placement surface 4a on which the glass plate G in the inclined posture P2 is placed is at a lower position than the transport surface 2e of the transport mechanism 2 on which the glass plate G in the tilted posture P2 is supported. The mounting surface 4a on which the glass plate G in the inclined posture P2 is placed and the transport surface 2e on which the glass plate G in the inclined posture P2 is supported are inclined in the same manner as the glass plate G in the inclined posture P2. In order to prevent the glass plate G from dropping from the mounting surface 4a, a plate-shaped receiving tray 4c is provided on the side of the mounting surface 4a that is inclined downward. The inclination angle of the mounting surface 4a can be changed. Thereby, by setting the inclination angle of the glass plate G and the mounting surface 4a to, for example, 50 to 85 °, the mounting portion 4b (glass plate G) is placed in the vertical position as shown by a broken line in FIG. Can do. Moreover, although illustration is abbreviate | omitted, the mounting part 4b (glass plate G) can also be made into a horizontal attitude | position. In addition, you may comprise the inclination angle of the mounting surface 4a so that change is impossible.

  The sampling mechanism 3 is provided with a sensor 13 supported by a support member (not shown). The sensor 13 is composed of, for example, a proximity sensor. The sensor 13 can detect the presence / absence of the placement portion 4b of the carriage 4. In addition, the sensor 13 can further detect the suitability of the inclination angle of the mounting surface 4a. That is, it is possible to detect whether or not the inclination angle of the mounting surface 4a is the same as the inclination angle of the glass plate G in the inclined posture P2. These detections are possible, for example, by providing the sensor 13 at a position where the mounting portion 4b can be detected only when the inclination angle of the mounting surface 4a is the same as the inclination angle of the glass plate G in the inclined posture P2. It becomes.

  In order to remove and collect the liquid remaining on the glass plate G in the state where the mounting portion 4b is in an inclined posture, the tray 4c has a plurality of through holes (not shown), and a trough 4d and a tank 4e are arranged. The When the mounting portion 4b is in an inclined posture, the ridge 4d is positioned directly below the tray 4c. Further, the basket 4d and the tank 4e are connected by a pipe (for example, a hose). In such a configuration, the liquid remaining on the glass plate G is discharged from the plurality of through holes of the tray 4c as it flows down. The liquid discharged from the through hole is supplied to the gutter 4d by dropping. The liquid supplied to the gutter 4d is collected and collected in the tank 4e.

  In order to remove and recover the liquid remaining on the glass plate G in the state where the placing portion 4b is in the vertically placed posture, the tray 4f is disposed. When the placing portion 4b is in the vertically placed posture, the tray 4f is positioned directly below the tray 4c. In such a configuration, the liquid remaining on the glass plate G is discharged from the plurality of through holes of the tray 4c as it flows down. The liquid discharged from the through hole falls on the tray 4f and is collected.

  Next, operations of main parts of the manufacturing apparatus 1 will be described with reference to FIGS. In addition, since the basket 4d and the tank 4e are not related to the operation | movement of the principal part of the manufacturing apparatus 1, illustration is abbreviate | omitted in FIGS.

  As shown in FIG. 6, initially, the cart 4 does not exist, and the sampling mechanism 3 is in a standby state. The forward / backward moving part 6 is in the retracted position Lb, and the up / down moving part 7 is in the raised position Lu. The second transport mechanism 2b performs a normal operation. In other words, the second transport mechanism 2b changes the posture of the glass sheet G carried onto the second transport mechanism 2b from the horizontal posture P1 to the inclined posture P2, and then carries it out from the second transport mechanism 2b to the third transport mechanism 2c. The operation of repeating is repeated. In the illustrated example, the glass plate G on the second transport mechanism 2b is in a horizontal posture P1 before the posture is changed.

  Next, as shown in FIG. 7, the carriage 4 is arranged at a predetermined position. And the sampling mechanism 3 is made into an operation state. Then, the 2nd conveyance mechanism 2b maintains the attitude | position after changing the attitude | position of the glass plate G from the horizontal attitude | position P1 to the inclination attitude | position P2. Further, the second valve portion 9 b is opened and the third valve portion 9 c is closed, and the piping 10 and the negative pressure generating source 11 constitute a vacuum system.

  And if the sensor 13 detects presence of the mounting part 4b of the trolley | bogie 4, and it detects that the inclination angle of the mounting surface 4a is the same as the inclination angle of the glass plate G of the inclination attitude | position P2, FIG. As shown in FIG. 3, the forward / backward moving portion 6 moves forward to the forward movement position Lf. On the other hand, if the sensor 13 cannot detect the presence of the mounting portion 4b or the inclination angle of the mounting surface 4a is the same as the inclination angle of the glass plate G in the inclined posture P2, the extraction operation is stopped. If necessary, an abnormal stop alarm is given by a rotating lamp or lamp.

  Here, it is confirmed that the sampling mechanism 3 maintains the posture after the second transport mechanism 2b changes the posture of the glass plate G. When this confirmation is completed, as shown in FIG. 9, the vertical movement part 7 is lowered to the first lowered position Ld1, and the suction pad 8 sucks and holds the glass plate G in the inclined posture P2. The sampling mechanism 3 confirms that the vacuum degree of the vacuum system has reached a predetermined value in order to confirm adsorption holding of the glass plate G by the adsorption pad 8.

  When the confirmation of the degree of vacuum of the vacuum system is completed, as shown in FIG. 10, the vertical movement unit 7 is raised to the raised position Lu. Then, as shown in FIG. 11, the forward / backward moving portion 6 is retracted to the retracted position Lb. Then, as shown in FIG. 12, the vertical movement part 7 descends to the second lowered position Ld2. Also during this time, the glass plate G sucked and held by the suction pad 8 is in the inclined posture P2.

  In the state of FIG. 12 (the state in which the vertical movement portion 7 is lowered to the second lowered position Ld2), the glass plate G in the inclined posture P2 sucked and held by the suction pad 8 and the placement portion 4b of the carriage 4 are placed. There is a minute gap between the surface 4a.

  Here, the second valve portion 9b is closed and the third valve portion 9c is opened, high-pressure air is allowed to flow into the pipe 10 from the compressed air source 12, and the third valve portion 9c is closed after a predetermined time has elapsed. Thereby, the suction holding of the glass plate G by the suction pad 8 is released. Then, the glass plate G separates from the suction pad 8 and is placed on the placement surface 4a of the placement portion 4b of the carriage 4 in the inclined posture P2. Before releasing the suction holding of the glass plate G by the suction pad 8, the sensor 13 detects again the presence of the mounting portion 4b of the carriage 4, and the inclination angle of the mounting surface 4a is in the inclined posture P2. You may detect that it is the same as the inclination-angle of the glass plate G. In this case, the detection by the sensor 13 in the initial stage (state shown in FIG. 7) may be omitted.

  Then, as shown in FIG. 13, the vertical movement part 7 is raised to the raised position Lu. Thus, the sampling mechanism 3 is in a standby state. Then, as shown in FIG. 14, the posture maintenance of the second transport mechanism 2b is released, and the second transport mechanism 2b returns to the normal operation. Further, the carriage 4 on which the glass plate G is placed is moved to an inspection device in another place, and the glass plate G is inspected there by the inspection device. The return to the normal operation of the second transport mechanism 2b may be performed in a state in which the vertical movement unit 7 is retracted from the second transport mechanism 2b after the extraction mechanism 3 holds the glass plate G. The second transport mechanism 2b may be normally operated in the state shown in FIG.

  The manufacturing apparatus 1 configured as described above can enjoy the following effects.

  An arbitrary glass plate G is held in an inclined posture P <b> 2 from the plurality of glass plates G subjected to end face processing by the sampling mechanism 3, and is transferred from the transport mechanism 2 to the placement surface 4 a. In the inclination posture P2 of the glass plate G, since the inclination angle α with respect to the horizontal plane H is larger than the horizontal posture P1, the liquid adhering to the glass plate G is efficiently removed from the glass plate G in the process of transferring the glass plate G by the sampling mechanism 3. Fall well. Therefore, the amount of liquid adhering to the extracted glass plate G can be reduced. That is, according to the glass plate manufacturing apparatus 1 according to the present embodiment, in the glass plate manufacturing process, the amount of liquid attached to the glass plate G extracted after the end face processing step S1 can be reduced.

  The present invention is not limited to the above embodiment, and various modifications are possible within the scope of the technical idea. For example, in the above-described embodiment, the placement surface 4a is disposed on the upper side of the inclined posture P2 of the glass plate G of the transport mechanism 2, but the glass plate of the transport mechanism 2 as illustrated in FIG. The mounting surface 4a may be arranged on the side of the G inclined posture P2 that is on the lower side of the inclination.

  Moreover, in the said embodiment, although the glass plate G on the 2nd conveyance mechanism 2b was moved, as shown in FIG. 15, the glass plate G on the 3rd conveyance mechanism 2c before implementing cleaning process S3 is shown. It may be moved.

  Moreover, in the said embodiment, although the height of the conveyance surface 2e of the 2nd conveyance mechanism 2b and the height of the mounting surface 4a of the mounting part 4b differed, these heights may be the same. In the illustrated example of FIG. 15, the height of the conveyance surface 2f of the third conveyance mechanism 2c is the same as the height of the placement surface 4a of the placement portion 4b.

  Moreover, in the said embodiment, the height of the 1st descent | fall position Ld1 of the vertical movement part 7 for extracting the glass plate G on the conveyance surface 2e, and the vertical movement part for mounting the glass plate G in the mounting surface 4a However, the height of the first lowering position Ld1 may be the same as the height of the second lowering position Ld2.

  Further, in the above embodiment, the glass plate G remains in the inclined posture P2 while being sucked and held by the sampling mechanism 3, but at least at one time while the glass plate G is sucked and held by the sampling mechanism 3 It suffices that G is in the inclined posture P2, and there may be a time when the glass plate G is in an inclined posture or a horizontal posture P1 having a different inclination angle from the inclined posture P2.

  Moreover, in the said embodiment, although the mounting surface 4a was inclined similarly to the glass plate G of the inclination attitude | position P2, you may incline with the inclination angle different from the glass plate G of the inclination attitude | position P2, It may be a horizontal plane.

  Moreover, in the said embodiment, although the extraction mechanism 3 adsorbed and hold | maintained the glass plate G with the suction pad 8, as long as the extraction mechanism 3 can hold | maintain the glass plate G, for example, the glass plate G is hold | maintained by a clamping part. You may hold and hold | maintain.

  Moreover, in the said embodiment, although the mounting surface 4a of the mounting part 4b of the trolley | bogie 4 was used as a mounting surface of the glass plate G, it is not limited to this, For example, the upper surface of a mounting table, or a belt You may use the conveyance surface of conveyance mechanisms, such as a conveyor, as a mounting surface.

  Moreover, in the said embodiment, although the glass plate G was rectangular shape, it is not limited to this, For example, a circular glass plate etc. may be sufficient. The thickness of the glass plate G can be 0.05 mm-10 mm, for example, and it is preferable that it is 0.05 mm-0.7 mm. When the glass plate G is rectangular, the size (length × width) of the glass plate can be, for example, 1000 mm × 1000 mm or more, preferably 1500 mm × 1500 mm or more, and preferably 2000 mm × 2000 mm or more. More preferred. On the other hand, the upper limit of the size of the glass plate can be, for example, 3000 × 3000 mm or less.

  Moreover, in the said embodiment, in order to remove and collect | recover the liquid which remain | survives in the glass plate G in the state in which the mounting part 4b is an inclination attitude | position, while providing a some through-hole in the saucer 4c and arrange | positioning the eaves 4d etc. However, it is not necessary to remove and collect the liquid remaining on the glass plate G. Alternatively, the liquid remaining on the glass plate G may be removed and collected by another configuration, and for example, a configuration as shown in FIGS. 16 and 17 may be adopted. FIG. 17 is a schematic plan view of the mounting portion 4b shown in FIG.

  The basic configuration of the sampling mechanism 3 shown in FIGS. 16 and 17 is the same as that of the sampling mechanism 3 shown in FIG. 3, and the configuration for removing and collecting the liquid remaining on the glass plate G is changed and placed. The inclination angle of the surface 4a is configured to be unchangeable. Specifically, in the sampling mechanism 3 shown in FIGS. 16 and 17, a plate-shaped receiving tray 4 g having no plurality of through holes is disposed on the side of the mounting surface 4 a that is inclined downward. The tray 4g supports the end surface of the placed glass plate G, and guides and flows the liquid detached from the glass plate G along the longitudinal direction of the tray 4g. At one end in the longitudinal direction of the tray 4g, a discharge portion 4h for discharging the liquid guided to the tray 4g is arranged. The discharge portion 4h has a plate-like base portion 4i, a discharge port 4j provided in the base portion 4i, and a side wall 4k for preventing the liquid from flowing out. On the other hand, a side wall 4l for preventing the liquid from flowing out is disposed at the other end in the longitudinal direction of the tray 4g. The discharge port 4j is connected to the upper end of a pipe 4m (for example, a hose). The lower end of the pipe 4m is arranged directly above the tank 4n whose upper surface is open.

  According to such a configuration, the liquid desorbed from the glass plate G can be guided to the discharge port 4j by flowing along the tray 4g. Along with this, the liquid desorbed from the glass plate G is collected, and the collected liquid flows through the pipe 4m connected to the discharge port 4j and falls and reaches the tank 4n.

  In addition, you may provide the discharge port 4j in the surplus area | region (area | region where the glass plate G is not mounted) of the mounting surface 4a. Moreover, you may provide the discharge port 4j in the both ends of the longitudinal direction of the saucer 4g, respectively. In order to correspond to a plurality of types of glass plates, a discharge port 4j may be provided in the middle in the longitudinal direction of the tray 4g. Moreover, you may provide an on-off valve in the path | route from the discharge port 4j to the lower end of 4 m of piping. In this case, if the opening / closing valve is opened while the carriage 4 is stopped at an appropriate position, the liquid can be collected in the tank 4n, and if the opening / closing valve is closed while the carriage 4 is running, the liquid can be prevented from falling.

DESCRIPTION OF SYMBOLS 1 Glass plate manufacturing apparatus 2 Conveying mechanism 2a 1st conveying mechanism 2b 2nd conveying mechanism 2c 3rd conveying mechanism 3 Extraction mechanism 4 Carriage 4a Mounting surface 4b Mounting part 4c, 4g Receptacle 4d 樋 4j Discharge port 8 Suction pad 9a 1st valve part 10 Piping (vacuum system)
11 Negative pressure source (vacuum system)
13 Sensors G, G1, G2 Glass plate H Horizontal plane P1 Horizontal posture P2 Inclination posture S1 End face processing step S2 Posture change step S3 Cleaning step α Inclination angle

Claims (11)

An end surface processing step of processing an end surface of a glass plate in a horizontal posture while supplying a liquid, a posture changing step of changing the posture of the glass plate in the horizontal posture to an inclined posture, and a cleaning step of cleaning the glass plate in the inclined posture In the order of, a glass plate manufacturing method for transporting the glass plate by a transport mechanism,
A glass comprising a sampling step of holding the glass plate in the tilted posture by a sampling mechanism and transferring it from the transport mechanism to a predetermined mounting surface between the posture changing step and the cleaning step. A manufacturing method of a board.   The glass plate manufacturing method according to claim 1, wherein the placement surface is disposed on a side of the transport mechanism that is inclined upward in the inclined posture.   The method for producing a glass sheet according to claim 1, wherein the placement surface is disposed on a side of the transport mechanism which is inclined downward in the inclined posture.   The said extraction mechanism adsorbs the said glass plate with a some suction pad, The manufacturing method of the glass plate of any one of Claims 1-3 characterized by the above-mentioned. Each of the plurality of suction pads is connected to a vacuum system via a valve portion,
5. The glass according to claim 4, wherein the valve portion is automatically opened while the suction pad is in contact with the glass plate, and is closed when the suction pad is not in contact with the glass plate. A manufacturing method of a board.   The method for producing a glass plate according to claim 4 or 5, wherein the plurality of suction pads are arranged so as to be sucked to a peripheral portion of the glass plate having a plurality of types of sizes.   The method for producing a glass plate according to any one of claims 1 to 6, wherein the placement surface is an inclined surface on which the glass plate can be placed in the inclined posture. The mounting surface is provided on the carriage,
The cart is configured to change the angle of the placement surface,
The method for manufacturing a glass sheet according to claim 7, wherein the presence or absence of the carriage and the suitability of the inclination angle of the mounting surface are detected by a sensor. A saucer that supports the end surface of the glass plate is provided on the side that is inclined downward of the placement surface, and a basket is disposed directly below the saucer.
The method for producing a glass plate according to claim 7 or 8, wherein the liquid that is detached from the glass plate is supplied to the basket by being discharged and dropped from a plurality of through holes of the tray. A tray that supports the end surface of the glass plate is provided on the side that is inclined downward of the mounting surface, and a discharge port for discharging the liquid is disposed,
The method for producing a glass plate according to claim 7 or 8, wherein the liquid released from the glass plate flows along the tray and is guided to the discharge port. An end surface processing step of processing an end surface of a glass plate in a horizontal posture while supplying a liquid, a posture changing step of changing the posture of the glass plate in the horizontal posture to an inclined posture, and a cleaning step of cleaning the glass plate in the inclined posture In this order, a glass plate manufacturing apparatus provided with a transport mechanism for transporting the glass plate,
A glass plate production comprising: an extraction mechanism that holds the glass plate in the inclined posture between the posture changing step and the cleaning step and transfers the glass plate to a predetermined placement surface from the transport mechanism. apparatus.

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