JP2011168444A - Apparatus and method for working glass plate - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To correctly perform production related treatment to a glass plate by correctly taking synchronization between the velocity of a glass plate carried by a carrier belt and the velocity of a moving body mounted with a working tool for practicing the production related treatment. <P>SOLUTION: While a glass substrate G is carried by a carrier belt 2, a grindstone 3 is made to run in parallel with the glass substrate G in the carrying direction, and the glass substrate G is subjected to corner removing. At this time, the velocity of the glass plate supporting region of the carrier belt 2 is detected by a velocity detection means 10, and further, the feed driving velocity by the driving motor 5 of a moving table vehicle 4 mounted with the grindstone 3 is regulated based on the result detected by the velocity detection means 10, and the moving table vehicle 4 and the glass plate supporting region of the carrier belt 2 are synchronously made to run. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to an improvement in processing technology of a glass plate that performs manufacturing-related processing on a glass plate being transported by moving a processing tool along with the glass plate in the transport direction while transporting the glass plate.

  As is well known, when manufacturing various glass plates as represented by glass substrates of flat panel displays (FPD) such as liquid crystal displays, plasma displays, organic EL displays, etc., manufacturing related processes included in the manufacturing process. As a part of the above, a cornering process (specifically, a process of scraping a triangular part from the corner part) may be performed on a corner part formed by intersecting two orthogonal sides of the glass plate.

  As this chamfering process, a method is adopted in which a grindstone (processing tool) is moved with respect to a glass plate placed on a stationary work table, and all corner portions of the glass plate are chamfered. In this case, however, the glass plate is held at a fixed position on the conveyance path during the chamfering process, so the glass plate cannot be continuously conveyed, and work efficiency is extremely high. Deteriorate. Therefore, when it is required to chamfer a glass plate produced in large quantities by a known method such as the overflow downdraw method, it is substantially possible to respond to the request. It becomes impossible.

  There is also a method of chamfering with a grindstone arranged at a fixed position on the conveyance path while conveying the glass plate. In this case, if the conveyance speed of the glass plate is increased, the glass plate and the grindstone The relative speed difference between the two becomes large and the chamfering process cannot be performed accurately. Therefore, the glass plate is forced to be conveyed at a low speed, and the chamfering process cannot be performed efficiently yet.

  Therefore, in order to deal with these problems, a method of applying a chamfering process to the glass substrate being transported by moving the grindstone along with the glass plate in the transport direction while transporting the glass plate with the transport belt is adopted. May be. In this case, in order to accurately perform the chamfering process, it is important to match the speed of the glass plate and the speed of the grindstone and to synchronize the speeds of the two.

  Therefore, for example, in Patent Document 1, the glass plate and the contactor are moved integrally by bringing the contactor into contact with the tip surface of the glass plate conveyed by the endless conveyance belt, and the movement of the contactor is also performed. It has been proposed that the position is detected by a detection means, and the position of the grindstone mounting table on which the grindstone is mounted is moved in the transport direction based on the detection result. In addition to the method of directly detecting the position of the glass plate using a contactor, the same document discloses that the position of the glass plate is indirectly detected by detecting the travel of the conveyor belt. .

JP 2003-171134 A

  By the way, as disclosed in Patent Document 1, when the contact is brought into direct contact with the tip surface of the glass plate and both are moved while pushing the contact with the thrust of the glass plate, the movement of the glass plate is accompanied. The contact is always pressed against the tip surface of the glass plate. However, since the end face of the glass plate against which the contact is pressed is a part that is weak in mechanical strength and easily damaged, excessive stress acts on the contact portion with the contact and the glass plate may be damaged. is there. In particular, when the glass plate to be processed is a thin plate such as a glass substrate for FPD, the problem of breakage due to the above-described contact becomes more prominent.

  Moreover, it is usual that the conveyance belt which conveys a glass plate is formed with elastic bodies, such as rubber | gum. Therefore, the conveyance belt has a certain degree of elasticity along with its elasticity, and repeats expansion and contraction along the conveyance direction even while the glass plate is being conveyed. As a result, as the conveyor belt expands and contracts, the glass plate on the conveyor belt is also conveyed while repeating pulsations (for example, back-and-forth movement) in the conveyance direction. In other words, even if the conveyor belt is driven at a constant speed, the glass plate does not move at a constant speed in a strict sense. Therefore, it may be difficult to accurately synchronize the glass plate and the grindstone mounting table because the contact member may not follow the pulsation operation of the glass plate only by bringing the contact member into contact with the tip end face of the glass plate.

  If the pulsation operation of the glass plate and the movement operation of the grindstone mounting table are not sufficiently synchronized in this way, when the pulsation cycle of the moving speed of the glass plate is longer than the processing time, the grindstone mounting table is being processed. The speed difference between the glass plate and the glass plate increases or decreases. If the chamfering is performed in a state where the speed difference is large, a machining error becomes large. On the other hand, when the pulsation cycle of the moving speed of the glass plate is equal to or shorter than the processing time, the corners of the glass plate cannot be cut into a desired shape. Therefore, in any of the above cases, the glass plate to be processed must be handled as a defective product, which causes a problem.

  In addition to the method of directly detecting the position of the glass plate by bringing a contactor into contact with the tip surface of the glass plate, Patent Document 1 detects the traveling of the conveyance belt that conveys the glass plate, Although a method for indirectly detecting the position is also disclosed, no specific method for detecting the traveling of the conveyor belt is disclosed. Here, as a method of detecting the traveling of the conveyor belt, it may be detected from the number of rotations of a motor that drives the conveyor belt, but as described above, the conveyor belt repeatedly expands and contracts in the conveyance direction. Since there is a discrepancy between the traveling speed of the conveyor belt calculated from the rotation speed of the motor that drives the conveyor belt and the actual traveling speed of the conveyor belt, the glass plate and the grindstone mounting table are accurately synchronized. That will still be difficult.

  In addition, although it demonstrated above taking the chamfering process of a glass plate as an example, also in manufacture-related processing other than the chamfering process, the processing tool is run side by side with respect to the glass plate conveyed by the conveyance belt, and is being conveyed. Similar problems may arise when manufacturing-related processing is applied to these glass plates.

  In view of the above circumstances, the present invention is to accurately synchronize between the speed of the glass plate conveyed by the conveyor belt and the speed of the moving body on which the processing tool for executing the manufacturing related process is mounted. Therefore, it is a technical subject to accurately perform manufacturing-related processing on a glass plate.

  The apparatus according to the present invention, which was created to solve the above-described problems, is a manufacturing-related process on the glass plate by running a processing tool along with the glass plate in the conveying direction while conveying the glass plate with a conveyor belt. In the glass plate processing apparatus for performing the processing, a moving body on which the processing tool is mounted and movable in the transport direction, speed detection means for detecting the speed of the glass plate support area of the transport belt, and detection results of the speed detection means And a driving means for adjusting the feed driving speed of the moving body based on the above and moving the moving body in synchronism with the glass plate support area of the conveyor belt. Note that the “glass plate support region” in this case means the region of the transport belt that supports the glass plate in a narrow sense, but in a broad sense, before and after the same speed as the support region in the narrow sense. Including area.

  According to such a configuration, the speed detection means detects the speed of the glass plate support region of the transport belt where the glass plate is supported. Then, the driving means adjusts the driving speed of the moving body on which the processing tool is mounted based on the detection result of the speed detecting means, and the moving body travels synchronously with the glass plate support area of the conveyor belt. That is, even if the transport belt expands and contracts in the transport direction, the driving speed of the moving body is adjusted according to the speed change of the transport belt accompanying the expansion and contraction operation, so the moving body and the glass plate support region of the transport belt Synchronization is maintained. And since the glass plate is supported by the glass plate support area | region of the conveyance belt which a mobile body drive | works synchronously, the speed of a glass plate support area | region and the speed of a glass plate correspond. Therefore, if the moving body is caused to travel synchronously with the glass plate support area of the conveyor belt as described above, the relative speed between the moving body and the glass plate becomes substantially zero. The tool makes it possible to perform accurate manufacturing-related processing on the glass plate.

  In the above configuration, the speed detecting means detects the speed of the detected element, a detecting unit that detects the speed of the detected element, and the speed of the glass plate support region of the conveyor belt. It is preferable to provide a connection mechanism that connects the transport belt to the glass plate support region of the transport belt.

  That is, if the detected element and the glass plate support area of the transport belt are connected by the connecting mechanism, the detected element moves integrally with the glass plate support area as the transport belt is driven. Therefore, in this state, if the speed of the detected element is detected by the detection unit, the speed of the glass plate support region can be detected accurately and easily.

  In the above configuration, it is preferable that one end of the coupling mechanism is engaged with a side surface of the transport belt in a state where the detection element and the transport belt are coupled.

  In this way, one end of the coupling mechanism can be reliably engaged with the glass plate support region of the transport belt while reliably avoiding contact with the glass plate.

  In the above configuration, it is preferable that one end of the coupling mechanism is in contact with the conveyance belt in a state where the movable body and the conveyance belt are coupled, and the engagement state is maintained by the frictional force thereof. .

  In this case, the engagement state between the two is maintained by the frictional force generated between them only by bringing one end of the coupling mechanism into contact with the conveyance belt. Can be easily connected. Further, if one end of the coupling mechanism is separated from the conveyance belt, the frictional force between them is eliminated and the engagement state is released, so the coupling state between the moving body and the conveyance belt by the coupling mechanism is easy. It can also be canceled.

  In the above-described configuration, the detection target is driven to be fed to the planned conveyance speed of the glass plate by the driving means while being connected to the moving body via the second coupling mechanism, and the planned conveyance speed It is preferable that the connection state by the second connection mechanism is released at the stage of acceleration until the connection state is switched to the connection state by the connection mechanism. The “scheduled transport speed of the glass plate” here does not mean an actual transport speed in consideration of expansion and contraction of the transport belt, but is a predetermined transport speed of the glass substrate by a predetermined transport belt, in other words, This means the conveyance target speed.

  In this way, the detected element is in a connected state by the second connecting mechanism, and after being accelerated in advance by the driving means to the speed at which the glass plate is transported, the connected state by the second connecting mechanism is released. It is switched to a connected state (a state connected to the glass plate support area of the conveyor belt) by the above-described connecting mechanism. Therefore, the relative speed difference between the detected element and the glass plate support area of the conveyor belt becomes as small as possible when the detected element is connected to the glass plate support area of the conveyor belt. Compared with the case where both are connected in a state where the difference is large, the connection work between the two can be performed smoothly.

  In the above configuration, the movable body further includes position detection means for detecting an absolute position in the conveyance direction of the glass plate in a state where the movable body is caused to travel synchronously with the glass plate support area of the conveyance belt. It is preferable that the position of the processing tool with respect to the moving body is finely adjusted based on the detection result.

  If it does in this way, since a processing tool can be positioned more correctly with respect to a glass plate, the further improvement of the accuracy of manufacture related processing by a processing tool can be aimed at.

  Said structure WHEREIN: While the said conveyance belt is arrange | positioned on both sides of the front and back of the said glass plate, it may be comprised so that it may convey, clamping both the width direction both ends of the said glass plate from both sides of the front and back Good.

  If it does in this way, since it will become difficult to produce the position shift of a glass plate on a conveyance belt, the manufacturing related process by a processing tool can be performed more correctly. In addition, the conveyance belt may be arrange | positioned only at the back surface side of a glass plate, and it is preferable in this case to adsorb and hold the back surface of a glass plate with a conveyance belt, and to prevent the position shift of a glass plate.

  The method according to the present invention, which was created to solve the above-described problems, is a manufacturing-related process in which a processing tool is run in parallel with the glass plate in the transport direction while the glass plate is transported by a transport belt. In the method for processing a glass plate, the speed of the glass plate support region of the transport belt is detected, and the feed driving speed in the transport direction of the moving body on which the processing tool is mounted is adjusted based on the detection result. However, the moving body is characterized in that it travels in synchronization with the glass plate support area of the conveyor belt.

  According to such a method, the operational effects of the corresponding configuration described above can be similarly enjoyed.

  In the above, it is preferable that the said manufacturing related process is one process selected from the chamfering process of the corner | angular part of a glass plate, the printing process to the surface of a glass plate, and the punching process of a glass plate.

  That is, in any of the chamfering process, the printing process, and the drilling process, a position on the glass plate to be processed is determined in advance, and the position is very important. Therefore, with these processes, the operational effects that can be enjoyed by the present invention can be maximized.

  According to the present invention as described above, among the conveyor belt, the speed of the glass plate support area where the glass plate is actually supported, and the speed of the moving body on which the processing tool for performing manufacturing related processing is mounted. Synchronization is taken between. As a result, the glass plate supported by the glass plate support region of the conveyor belt and the moving body are accurately synchronized, so that manufacturing-related processing can be accurately performed on the glass plate. .

It is a schematic plan view which shows the whole structure of the glass substrate processing apparatus which concerns on one Embodiment of this invention. It is a schematic front view which shows the connection state by the 2nd connection mechanism of the glass substrate processing apparatus which concerns on this embodiment. It is a schematic front view which shows the connection state by the 1st connection mechanism of the glass substrate processing apparatus which concerns on this embodiment. (A) is a schematic plan view which shows the connection state by the 2nd connection mechanism of the glass substrate processing apparatus which concerns on this embodiment, (b) is the 1st connection mechanism of the glass substrate processing apparatus which concerns on this embodiment. It is a schematic plan view which shows the connection state by. It is a schematic side view which shows the principal part of the glass substrate processing apparatus which concerns on this embodiment.

  Embodiments of the present invention will be described below with reference to the accompanying drawings. In the following description, a glass substrate for FPD having a thickness of 3 mm or less will be described as an example of a glass plate to be processed.

  FIG. 1 is a schematic plan view showing the overall configuration of a glass plate processing apparatus according to an embodiment of the present invention. As shown in the figure, the glass plate processing apparatus 1 has an angle with respect to the glass substrate G being conveyed by moving the grindstone 3 in parallel while conveying the glass substrate G in a flat state (for example, horizontal posture). The conveyor belt 2 that conveys the glass substrate G, the movable carriage 4 on which the grindstone 3 is mounted, and the drive motor 5 that drives the movable carriage 4 to feed in the conveyance direction of the glass substrate G are provided. Yes.

  Four conveyor belts 2 are arranged in parallel in the width direction of the glass substrate G. The two conveyor belts 2 positioned at the center in the width direction are disposed only on the back side of the glass substrate G, and are configured to hold the glass substrate G from below. On the other hand, the two conveyor belts 2 positioned at both ends in the width direction are respectively disposed on the front surface side and the back surface side of the glass substrate G, and are configured to be held from both the upper and lower sides with the glass substrate G sandwiched therebetween. . As shown in FIG. 2, each conveyor belt 2 is constituted by an endless belt provided with a guide member 6 on the inner peripheral side, and is respectively the same by a drive mechanism (not shown) so as to send the glass substrate G forward in the conveyance direction. Driven at speed.

  As shown in FIG. 1, the movable carriage 4 is mounted on a guide rail 7 extending along the conveyance direction of the glass substrate G, and the drive motor 5 feeds the guide rail 7 forward in the conveyance direction of the glass substrate G. Driven. Here, although the movable carriage 4 is arranged on both outer sides in the width direction of the glass substrate G, each movable carriage 4 is fed and driven at the same speed by each drive motor 5. In this embodiment, the guide rail 7 is composed of a ball screw that is rotationally driven by the drive motor 5 and guide support rails provided on both sides thereof, and the movable carriage 4 is attached to the ball screw via a nut. It is attached. When the ball screw is rotated forward by the drive motor 5, the movable carriage 4 moves forward in the conveyance direction of the glass substrate G according to the amount of rotation. On the contrary, when the ball screw is reversed by the drive motor 5, the movable carriage 4 Moves backward in the transport direction of the glass substrate G in accordance with the amount of rotation.

  Two grindstones 3 are mounted on each movable carriage 4, and chamfering is simultaneously performed on the four corners of the glass substrate G. Each grindstone 3 is mounted on the movable carriage 4 via an X-direction (transport direction of the glass substrate G) moving mechanism 8 and a Y-direction (direction orthogonal to the transport direction of the glass substrate G) moving mechanism 9. The position of the moving carriage 4 can be adjusted by the moving mechanisms 8 and 9 and can be moved obliquely along the direction of arrow a in FIG.

  Further, as shown in FIG. 2, the glass plate processing apparatus 1 includes speed detection means 10 that detects the speed of the glass plate support region (cross hatching region denoted by reference symbol Z in FIG. 1) of the conveyor belt 2. Yes. The speed detection information by the speed detection means 10 is input to the drive motor 5. The drive motor 5 causes the movable carriage 4 and the glass plate support area of the conveyor belt 2 to run synchronously while adjusting the feed drive speed of the movable carriage 4 based on the input speed detection information.

  Specifically, the speed detection means 10 includes a detected element 11, a detection unit 12 that detects the speed of the detected element 11, and a first connection mechanism that connects the detected element 11 to the glass plate support region of the conveyor belt 2. 13.

  The detected element 11 is slidably held on a guide rail (for example, an LM guide) 14 that extends along the conveyance direction of the glass substrate G while being fixed to the guide member 6 of the conveyance belt 2.

  The detection unit 12 optically or electromagnetically reads a scale 15 extending in the conveyance direction of the glass substrate G in a state of being fixed to the guide member 6 of the conveyance belt 2 and a slit or the like provided in the scale 15 to obtain speed information. It is comprised by the linear scale provided with the head 16 which detects this. The head 16 is joined to the detected element 11, and as the detected element 11 moves, the head 16 moves on the scale 15 together with the detected element 11. Speed is detected.

  The first connecting mechanism 13 includes a first cylinder 17 attached to the lower end of the detected element 11, a retracting rod 18 attached to the first cylinder 17, and a pressing member 19 fixed to the tip of the retracting rod 18. It consists of and. The retractable rod 18 is projected and retracted by the first cylinder 17. As shown in FIG. 2, the pressing member 19 is not in contact with the inner surface of the conveyor belt 2 in a state in which the retracting rod 18 is retracted (edge cutting state), and the protruding rod 18 protrudes as shown in FIG. In this state, the belt abuts against the inner surface of the conveyor belt 2 and the frictional force maintains the engaged state with the conveyor belt 2. The protruding movement of the retractable rod 18 by the first cylinder 17 is performed at a timing at which the pressing member 19 can contact the glass substrate supporting region of the transport belt 2. Therefore, in the coupled state by the first coupling mechanism 13, the detected element 11 moves integrally with the glass substrate support area of the conveying belt 2 as the conveying belt 2 is driven, and the detected element 12 detects the detected element. 11 is used to detect the speed of the glass substrate support area of the conveyor belt 2. The drive motor 5 sequentially adjusts the feed driving speed of the movable carriage 4 based on the detection result of the detection unit 12 and causes the movable carriage 4 and the glass substrate support area of the conveyor belt 2 to travel synchronously. 4A, 4 </ b> B, and 5, the pressing member 19 of the first coupling mechanism 13 is wide in the conveyance direction of the glass substrate G in order to secure a contact area with the conveyance belt 2. It is composed of various members. In addition, an elastic body such as rubber is attached to the contact portion of the pressing member 19 with the transport belt 2.

  Further, the detected element 11 is previously driven to the transport speed of the glass substrate G by the drive motor 5 together with the movable carriage 4 before reaching the connected state by the first connecting mechanism 13 as described above. Yes.

  Specifically, as shown in FIG. 2, the detected element 11 has the second connection mechanism 21 attached to the arm 20 fixed to the movable carriage 4 in a state where the connection state by the first connection mechanism 13 is released. It is connected via. As shown in FIGS. 4A and 4B, the second coupling mechanism 21 includes a second cylinder 22 attached to the tip of the arm 20, a retracting rod 23 attached to the second cylinder 22, A lock pin 25 fixed to the retractable rod 23 via a plate-like body 24 is provided. The extension / retraction rod 23 is projected and retracted by the second cylinder 22 while being guided by a guide pin 27 inserted through the guide bush 26. As shown in FIG. 2, the lock pin 25 is inserted into the engagement hole 28 provided in the detection element 11 with the retracting rod 23 protruding, and as shown in FIG. In a state in which 23 is retracted, it is detached from the engagement hole 28 provided in the detected element 11 and the detected object 11 is cut off. As shown in FIG. 2, when the lock pin 25 is inserted into the engagement hole 28 of the detected element 11, the lock pin 25 is fitted into the engagement hole 28 and the detected element 11 is fixed to the movable carriage 4. Connected to the arm 20. In such a connected state by the second connecting mechanism 21, the detected element 11 is integrally fed with the movable carriage 4 to which the arm 20 is fixed, and is driven to be driven to the scheduled transfer speed of the glass substrate G by the drive motor 5.

  Next, the processing procedure of the glass substrate G by the glass plate processing apparatus 1 configured as described above will be described.

  First, as shown in FIG. 1, the glass substrate G is continuously transported from the upstream side to the downstream side in the transport direction by the transport belt 2. And when the front-end | tip part of the glass substrate G in conveyance reaches the upper position of the 1st detection sensor 29 arrange | positioned on a conveyance path | route, while the front-end | tip part of the glass substrate G will be detected by the 1st detection sensor 29, This detection information is input to the drive motor 5, and the movable carriage 4 that has been waiting at the standby position starts to travel by the driving force from the drive motor 5 and is accelerated to the scheduled transfer speed of the glass substrate G. At this time, as shown in FIG. 2, the detected element 11 of the speed detecting means 10 is connected to the arm 20 fixed to the movable carriage 4 via the second coupling mechanism 21, and integrated with the movable carriage 4. The glass substrate G is accelerated to the scheduled transfer speed. In addition, the driving conditions of the movable carriage 4 by the drive motor 5 are determined in advance so that the movable carriage 4 runs side by side at the side position of the glass substrate G when the movable carriage 4 is accelerated to the scheduled conveyance speed. .

  Next, when the movable carriage 4 is accelerated to the scheduled conveyance speed by the drive motor 5, the second extension / retraction rod 23 is moved backward by the second cylinder 22 as shown in FIG. 11 is pulled out from the engagement hole 28 and the connection state by the second connection mechanism 21 is released. At the same time, the retractable rod 18 protrudes by the first cylinder 17, the pressing member 19 comes into contact with the inner side surface of the glass substrate support region of the conveyor belt 2, and is switched to the connected state by the first connecting mechanism 13. In the connected state by the first connecting mechanism 13, the speed of the detected element 11 that moves together with the glass substrate supporting region of the transport belt 2 is detected by the detecting unit 12 of the speed detecting means 10, and the speed detection information is obtained. Are sequentially input to the drive motor 5. The drive motor 5 adjusts the driving speed of the movable carriage 4 based on the input speed detection information, and the movable carriage 4 travels in synchronization with the glass substrate support area of the conveyor belt 2. That is, even if the conveyor belt 2 expands and contracts in the transport direction, the driving speed of the movable carriage 4 is also adjusted according to the change in the speed of the conveyor belt 2 due to the expansion / contraction operation. The synchronized state with the glass substrate support region is maintained. And since the glass substrate G is supported in the glass substrate support area | region of the conveyance belt 2 with which the movable trolley | bogie 4 drive | works synchronously, the speed of a glass substrate support area | region and the speed of the glass substrate G correspond. Therefore, if the movable carriage 4 is caused to travel synchronously with the glass plate support area of the conveyor belt 2 as described above, the relative speed between the movable carriage 4 and the glass substrate G becomes substantially zero. The glass substrate G can be accurately chamfered by the grindstone 3 mounted on 4.

  Furthermore, in this embodiment, the second detection sensor 30 is arranged in an area where the movable carriage 4 and the glass substrate support area of the conveyor belt 2 are traveling synchronously in the conveyance path of the glass substrate G. When the leading end of the glass substrate G being conveyed reaches the position above the second detection sensor 30, the leading end of the glass substrate G is detected by the second detection sensor 30. Information detected by the second detection sensor 30 is input to the X-direction moving mechanism 8 of the movable carriage 4, and the position of the grindstone 3 relative to the movable carriage 4 is determined according to the absolute position of the glass substrate G before the chamfering process is performed. Tweaked.

  When the chamfering process of the glass substrate G is finished, the movement is switched again from the connection state by the first connection mechanism 13 to the connection state by the second connection mechanism 21 and connected to the detection element 11 through the arm 20. The carriage 4 is returned to the standby position on the upstream side in the transport direction by the reverse rotation operation of the drive motor 5 together with the detected element 11. Therefore, by repeating this series of operations, the chamfering process is sequentially performed on the plurality of glass substrates G that are continuously transported by the transport belt 2.

  In addition, this invention is not limited to said embodiment, It can implement in a various form. For example, in the above-described embodiment, a case has been described in which the conveyance belt 2 sandwiches and conveys the widthwise end of the glass substrate G from both the upper and lower sides, but the conveyance belt 2 is disposed only on the back surface of the glass substrate G. May be. In this case, it is preferable that the glass substrate G is sucked and held on the transport belt 2 so that the glass substrate G is not misaligned during processing.

  Moreover, although said embodiment demonstrated the case where the press member 19 of the 1st connection mechanism 13 contact | abuts to the glass substrate support area | region of the conveyance belt 2 in which the glass substrate G is actually supported, You may make it contact | abut to the front-back vicinity of a glass substrate support area | region, Furthermore, you may make it contact the press member 19 to the surface (outer peripheral surface) of the conveyance belt 2.

  Moreover, although said embodiment demonstrated the case where the press member 19 of the 1st connection mechanism 13 contact | abuts to the upper conveyance belt 2 located in the surface side of the glass substrate G, press member 19 of the glass substrate G is demonstrated. You may make it contact | abut to the lower conveyance belt 2 located in a back surface side.

  Moreover, although said embodiment demonstrated the case where the glass substrate G was conveyed in a flat state, you may make it convey the glass substrate G by a vertical attitude | position (for example, vertical attitude | position).

  Moreover, in said embodiment, although the case where the chamfering process by the grindstone 3 was performed was illustrated as a manufacturing related process of the glass substrate G, a manufacturing related process is not limited to this, For example, of the glass substrate G It may be printing or drilling.

DESCRIPTION OF SYMBOLS 1 Glass plate processing apparatus 2 Conveyor belt 3 Grinding stone 4 Moving carriage 5 Drive motor 7 Guide rail 10 Speed detection means 11 Detected element 12 Detection part 13 1st connection mechanism 17 1st cylinder 18 Retracting rod 19 Pressing member 21 2nd connection Mechanism 22 Second cylinder 23 Retract rod 25 Lock pin 28 Engagement hole G Glass substrate

Claims (9)

In the glass plate processing apparatus for carrying out manufacturing-related processing on the glass plate by running a processing tool together with the glass plate in the conveyance direction while conveying the glass plate with a conveyance belt,
A movable body on which the processing tool is mounted and movable in the conveyance direction, a speed detection means for detecting the speed of the glass plate support area of the conveyance belt, and the feed of the movable body based on the detection result of the speed detection means A glass plate processing apparatus comprising: a driving unit that adjusts a driving speed and causes the movable body to travel synchronously with the glass plate supporting region of the transport belt.   The speed detecting means detects the speed of the detected belt, a detecting section for detecting the speed of the detected speed, and the speed of the glass plate support area of the transport belt. The glass plate processing apparatus according to claim 1, further comprising a connection mechanism that connects to the glass plate support region.   3. The glass plate processing apparatus according to claim 2, wherein one end of the coupling mechanism is engaged with a side surface of the conveyor belt in a state in which the detection element and the conveyor belt are coupled.   The one end of the coupling mechanism is in contact with the conveyor belt in a state where the movable body and the conveyor belt are coupled, and the engaged state is maintained by the frictional force thereof. Or the glass plate processing apparatus of 3.   The detector is connected to the moving body via a second connection mechanism, and is driven to the transport speed of the glass plate by the driving means and is accelerated to the transport speed. The glass plate processing apparatus according to any one of claims 2 to 4, wherein the connection state by the second connection mechanism is released and the connection state by the connection mechanism is switched.   In a state where the moving body is driven in synchronization with the glass plate support area of the transport belt, the mobile body includes position detection means for detecting an absolute position in the transport direction of the glass plate, and based on the detection result of the position detection means. The position of the said processing tool with respect to the said mobile body is finely adjusted, The glass plate processing apparatus of any one of Claims 1-5 characterized by the above-mentioned.   The said conveying belt is arrange | positioned on both sides of the front and back of the said glass plate, and conveys it, pinching the both ends of the width direction of the said glass plate from both sides of the front and back. The glass plate processing apparatus of Claim 1.   The manufacturing-related process is one process selected from chamfering processing of a corner of a glass plate, printing processing on the surface of the glass plate, and drilling processing of the glass plate. The glass plate processing apparatus according to any one of 7. In the glass plate processing method of carrying out manufacturing-related processing on the glass plate by running a processing tool in parallel with the glass plate in the transport direction while transporting the glass plate with a transport belt,
While detecting the speed of the glass plate support area | region of the said conveyance belt, adjusting the feed drive speed in the said conveyance direction of the moving body mounted with the said processing tool based on this detection result, the said moving body is conveyed. A glass plate processing method, wherein the glass plate is synchronously driven with the glass plate support region of the belt.

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