JP2000281372A - Glass scriber - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a glass scriber which shortens the time required in stages and simplifies a mechanism for setting a cutter position. SOLUTION: This glass scriber has an X-axis cutter section 42 which moves back and forth on a table, a plurality of sliders 45 which extend in the direction orthogonal to the progressing direction of the X-axis cutter section 42 and are disposed freely slidably on guide rails 44 disposed integrally with the X-axis cutter section, cutter holders 46 which are disposed at the respective sliders and have freely vertically movable sliders and suction means 47. The suction means 47 is lowered in the state of rising the cutter holders and the X-axis cutter section is advanced in the state of sucking and fixing the front end edge of glass sheet, by which the glass sheet is transported onto a table and after the glass sheet is fixed to the table, the suction of the suction means is released and is risen and, thereafter, the cutter holders are lowered to scribe the glass sheet by the cutters at the time of retreat of the X-axis cutter section 42.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a glass scriber for scribing a glass plate.

[0002]

2. Description of the Related Art In a conventional glass scriber,
The glass plate is conveyed to the table of the glass scriber by the conveying device, and the edge of the glass plate is detected by, for example, pushing of a locking pin, and the cutter is accurately moved based on the detected information.

[0003] If a plurality of scribe lines are formed at a desired pitch on a glass plate, it is necessary to set the positions of a plurality of cutters. For example, Japanese Patent Publication No. 50-294
In Japanese Patent Publication No. 86, a plurality of cutter blocks that are movable on a cutter rail are provided, and each cutter block is individually provided with a drive source so that each cutter block can be set at a desired position.

[0004]

In the above-mentioned glass scriber, the positioning of the glass plate and the detection or positioning of the edge of the glass plate are indispensable before scribing by a conveyor or the like. Prolonged. Further, the above-described cutter position setting device requires a plurality of precise driving sources capable of securing accurate setting positions for a plurality of cutter blocks, and a device for comprehensively controlling the driving sources. Also required, making the apparatus complicated and therefore expensive.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems, and has as its object to provide a glass scriber in which the time required for the process is shortened and the mechanism for setting the cutter position is simplified. I do.

[0006]

Glass scriber of the invention According to an aspect of is for scribing the glass plate which is provided with a glass feeder or the like, an X-axis cutter unit 42 for reciprocating the upper table Q ₁ , X-axis cutter unit 4
A plurality of sliders 45 extending in a direction orthogonal to the traveling direction of the second and slidably provided on a guide rail 44 provided integrally with the X-axis cutter portion 42;
A cutter holder 46 is provided on each slider 45 and has a vertically movable movable cutter 46a, and a suction means 47. The suction means 47 is lowered with the cutter holder 46 raised, and the glass is The glass plate 2 is conveyed onto the table Q ₁ by advancing the X-axis cutter 42 with the leading edge of the plate 2 being suction-fixed, and the glass plate 2 is fixed to the table Q ₁ by fixing means V. Then, after the suction of the suction means 47 is released, the suction means 47 is raised, and the cutter holder 46 is lifted.
When the X-axis cutter section 42 is retracted after the lowering of the X-axis cutter section 42, the glass plate 2 is scribed by the cutter 46a.

In order to set the position of the slider 45 in accordance with desired scribe pitch data, in the glass scriber according to the second aspect of the present invention,
An X-axis cutter portion 42 or a guide shaft 5 provided in parallel with the X-axis cutter portion 42 is provided with a locking means 52 for locking the slider 45 to the guide rail 44 by an urging force.
Means 56, which is movable along line 4;
By engaging the slider 45 with the desired slider 45, the engagement of the slider 45 with the X-axis cutter portion 42 is released, and the means 45 is moved in this state, thereby moving the slider 45 to a desired position. It has an automatic position setting device for moving.

[0008]

According to the glass scriber of the present invention, the leading edge of the glass plate fed from the preceding stage is sucked by the lowered suction means 47, and the X-axis cutter portion 42 is advanced in that state. glass plate was conveyed on a table Q _1, and, by the fixing means V provided in the table Q _1,
After fixing the glass plate to the table Q _1, suction means 47
Release the suction and raise. Then, the glass plate is scribed by the cutter 46a by retracting the bridge to the original position with the cutter holder 46 lowered.

According to the automatic position setting device according to the second aspect, the means 56 is moved along the X-axis cutter section 42 or the guide shaft 54 provided in parallel with the X-axis cutter section 42 to obtain a desired position. The slider 45 is engaged. With this engagement, an action force against the urging force is applied, so that the engagement of the slider 45 with the X-axis cutter portion 42 is released. By moving the means 56 while maintaining this engaged state, the slider 45 can be moved to a desired position.

According to a third aspect of the present invention, the cutter 4
If a cullet removing device 48 for sucking and removing glass chips in front of 6a is provided integrally with the X-axis cutter portion 42, when the glass plate is inserted by the advancement of the X-axis cutter portion 42, the cullet removing device 48 is lowered and the table is lowered. Q ₁ on the glass swarf scattered can be suctioned off, keep the state in which the table surface always clean. As described above, since the cleaning is performed at the same time in the glass plate transporting step, the processing steps in the glass scriber can be shortened.

[0011]

FIG. 1 is a plan view of an entire system provided with an embodiment of the glass scriber of the present invention. Reference numeral 1 denotes a stock table on which the glass plates 2 are stacked vertically and stacked and mounted.
As shown in the side view of FIG. 3, the rear surfaces of the L-shaped stock tables are connected to each other, and are rotatable by rollers 4 about a vertical axis 3. With this configuration, while the glass plate 2 is being supplied from the one stock unit 1A to the glass plate supply device 11 described below, the glass plate 2 is stocked in the other stock unit 1B, and When the glass plate 2 is empty, the stock table 1
Is turned to supply the glass plate 2 on the stock section 1B.

The glass plate supply device 11 sucks the glass plates 2 one by one from the stock table 1 and feeds the glass plate 2 to the subsequent transfer device 31.
The mechanism will be described with reference to the plan view of FIG. 2 and the side view of FIG. 12 is pivotally supported by the horizontal shaft 13, by a motor (not shown), a plate-like body rotatable in a vertical direction by driving the motor M ₁ along the axis 13 itself guide rail GL, forward (Rightward in the figure). Further, a first flat plate 17 is provided on a predetermined portion of the plate-like body 12 with pins 15 and 16 having horizontal axes inserted through the plate-like body 12.
2 is provided orthogonally. The second flat plate 18 is positioned so as to face the first flat plate 17, and the axis inserted through the second flat plate 18 has two horizontal pins 19, 2.
0 and the pins 15 and 16 respectively.
1,22 are bridged and these four members 17,18,
Reference numerals 21 and 22 constitute a deformable frame by the link mechanism.

In order to rotate the arm 21 with the pin 15 as a fulcrum, an operation arm 23 having one end fixed to the pin 15 is provided, and the plate 12 protrudes from the opposite side of the first flat plate 17. Having a protruding portion 12a
A cylinder 24 is loaded between a and the other end of the working arm 23. A plurality of suction tubes 26 are provided on the opposite side (the left side in the drawing) of the second flat plate 18 via a suitable hollow member 25. 27 is an air tube inserted into the suction tube 26 via the member 25.

In the above configuration, in FIG. 3, the piston shaft 24a of the cylinder 24 is in the retracted position, and each suction pipe 26 is in contact with the surface of the glass plate 2 on the stock table 1. By reducing the pressure in the air tube 27 in this state, the glass plate 2 is sucked into the suction tube 26. In order to prevent displacement during the suction of the glass plate 2, a suction tube 2 is provided.
6, a pad made of a hard plastic material is used in place of the rubber pad (indicated by R in the suction tube in FIG. 7).

In this state, when the cylinder 24 is actuated and its piston shaft 24a is pushed out, as shown in FIG. 4, each of the members 17, 18, 21, 21 of the link mechanism is provided.
2 is deformed so as to be folded, so that the second
Is moved obliquely upward and one glass plate 2
However, the second glass plate and the surface are lifted without rubbing each other. At this time, 1 lifted by the suction pipe 26
The glass plate 2 is bent by pushing a pusher or the like between the suction portions by the suction tube 26 so that the second glass plate adhered to the first glass plate is not lifted at the same time. Air is blown into the gap created between the eye glass plate.

Thereafter, the glass sheet supply device 11 moves forward (rightward in the figure) from the state shown in FIG. 4, and is rotated counterclockwise about the shaft 13 by the transport device 31 so that the glass sheet supply device 11 is rotated. Reference numeral 11 denotes a transfer device 31 in a state where the glass plate 2 is suspended (top hang) as shown by 11 'in FIG.
Located on top.

On the other hand, in the glass sheet supply apparatus 11 shown in FIG. 4, when the glass sheet supply apparatus 11 is rotated clockwise about the shaft 13 and moved forward, as shown by 11 "in FIG.
Is supported from below by the suction pipe 26 (bottom support).

The glass plate supply device 11 'or 11 "shown in FIG. 3 or FIG. 4 is then conveyed to the conveyor site, and then the suction by the suction pipe 26 is released. The device 11 'or 11 "is shown in FIG.
As shown by the glass sheet supply device 11 of FIG.

As shown in FIG. 1, the transport device 31
A plurality of belt conveyors 32 are provided, and a plurality of rotationally driven rollers 33 are provided between each of the conveyors 32.
(Not shown in FIGS. 3 and 4). The roller 33 has its axis aligned with the conveying direction of the conveyor, and is capable of moving up and down with respect to the conveying surface of the conveyor 32.

When the glass plate 2 is placed on the transfer device 31, the roller 33 is located below the transfer surface of the conveyor 32, so that the glass plate 2 is moved by the conveyor 32 to the scribe device side (in FIG. is transferred to the lower side), when the leading end portion of the glass plate 2 is detected by the sensor S _0, conveyor 3
2 is stopped, and at the same time, the roller 33 is raised.
Is transported so as to contact a stop pin provided on the side (the left side in FIG. 1), after which the roller 33 is lowered and the glass plate 2 is placed at a predetermined position. The sensor S ₀ has detected position becomes the reference position in the NC control of the subsequent steps and the drive.

Next, the glass scriber 41 will be described. In the glass scriber 41 of FIG. 1, the X-axis cutter portion 42 which forms a bridge, which is scribed in X direction relative to the glass plate 2 on the table to Q ₁ glass scriber 41, 43, Y-direction This is the Y-axis cutter section that scribes the. X axis cutter 42
5 is shown in FIG.

Reference numeral 44 denotes a guide rail on which each slider 45 described later moves in the X-axis cutter section 42.
The guide rail 44 is driven by a motor (not shown).
It moves in parallel in the X direction (left-right direction in the figure). Slider 45
Is for moving the cutter holder 46 holding the cutter 46a (shown in FIG. 6) along the guide rail 44 so as to be slidable in the Y direction. Reference numeral 47 denotes a suction tube provided integrally with each slider 45, and is the same as the above-described suction tube 26. The suction tube 47 is provided with the cutter holder 4 for each slider 45 except for both sides.
6, the suction pipes 47 are provided inside the cutter holder 46 in the sliders 45 on both sides.
Is located. With this configuration, it is possible to scribe the glass plate 2 almost at both edges. Reference numeral 48 denotes a cullet removing device for removing glass chips by suction.

Next, a mechanism for moving the slider 45 along the guide rail 44 will be described with reference to FIG. 49
Is a cylinder for moving the cutter holder 46 up and down. Reference numeral 50 denotes a cylinder for moving the suction tube 47 up and down. A linear rail 50a is provided between the cylinder 50 and the suction tube 47 so that the axial center of the suction tube 47 does not shift when the suction tube 47 is moved up and down. The suction pipe 47 moves up and down while guiding the linear rail 50a. Reference numeral 52 denotes a piston slidable in the cylinder direction in the piston chamber 51. One end (right end in the drawing) of the piston 52 is urged leftward in the drawing by a spring 53, and the other end of the piston 52 It is in pressure contact with a slider fixing surface 42 a formed on the shaft cutter portion 42. The movement of the slider 45 along the guide rail 44 is restricted by the pressing force. The cylinder chamber 51
Is communicated to the outside through a ventilation hole 55.

[0024] 56 is a air gun portion provided in a direction perpendicular to the guide shaft 54 by the driving of the air gun 56 servo motor M _2, while moving in parallel in the Y direction along the guide shaft 54, the cylinder 57 By the drive of, it is also possible to move in the X direction (axial direction of the cylinder) orthogonal to the guide shaft 54. The nozzle 56a at the tip of the air gun portion 56 can be fitted in an airtight state with the opening 55a of the ventilation hole 55 by moving in the X direction by driving the cylinder 57.

The setting of the scribe pitch by moving the slider 45 will be described below. In the state shown in FIG. 6, the cylinder 57 is driven to move the air gun 56 to the right in the drawing, and the nozzle 56a is fitted into the opening 55a of the slider 45. When supplied, the air is supplied to the piston chamber 51 through the vent hole 55, whereby the piston 52 moves rightward in the figure against the bias of the spring 53, and as a result, the tip of the piston 52 The pressure contact with the slider fixing surface 42a is released, and the slider 45
Is movable along the guide rail 44.

In this state, when the air gun 56 is moved along the guide shaft 54 by driving the servo motor M ₂ , the slider 45 moves along the guide rail 44 integrally with the air gun 56. If the slider 45 is moved to a desired position, the air gun 56 is then retracted, and if the fitting between the nozzle 56a and the opening 55a is released, the air in the cylinder chamber 51 is externally transmitted through the opening 55a. 6, the piston 52 moves to the left in FIG. 6 by the bias of the spring 53, and the tip of the piston 52 again presses the slider fixing surface 42a, so that the slider 45 moves along the guide rail 44. It is restrained and fixed in that position.

Thereafter, by moving the air gun 56 and aligning the nozzle 56a thereof with the opening 55a of another slider 45, the slider 45 can be similarly moved to a desired position. Air gun unit 56
Is set in advance, the scribe pitch in the X-axis cutter unit 42 can be automatically settled. After the scribe ends, all the sliders 45 are moved to one end by moving the air gun unit 56 based on the information of the scribe pitch set in the work.

The Y-axis cutter 43 is also the X-axis cutter 42
(However, the suction tube and the cullet removing device are not provided), and the scribe pitch in the Y direction is automatically set by moving each slider.

X-axis cutter section 42 and Y-axis cutter section
At 43, the scribe pitch is
Operation of the glass scriber 41 after setting the switch
I will describe. As described above, the transfer device 31
The tip 2a of the lath plate 2 has a sensor S ₀Localization detected by
After that, the X-axis cutter unit 42 is controlled by the NC control.
To the set position, and in this state,
A suction pipe 47 provided in each slider 45 of the section 42 is
The glass plate 2 is lowered by the driving of the Linda 50 and each suction is performed.
It is lifted after suction by the tube 47, and in this state, the X-axis cutter
The part 42 moves forward by a predetermined length in the X direction (to the right in FIG. 6).
As a result, the glass plate 2₁Transferred up.
Also, when the X-axis cutter 42 is moved, the cullet removing device is used.
When the table 48 is lowered, the table Q₁Scattered on
Glass chips are sucked and cleaned. After this, the suction tube
47 down, table Q₁Suction means embedded in the
V) shown in FIG.₁Fixed to
Thereafter, the suction by the suction pipe 47 is released, and the suction pipe 47 is released.
Rises.

Thereafter, the cutter 46a is lowered by driving the cylinder 49, and in this state, the X-axis cutter 4
2 is retreated, and at the time of the retreat operation, the cutter 46a scribes the glass plate 2 in the X direction at the pitch set above.

As can be seen from the operation described above, the X-axis
The glass plate 2 can be held by the suction tube 47 of the
The transport device 31 moves the leading edge of the glass plate 2 to the reference position.
Place S ₀And a predetermined amount is supplied from the
The fixed glass plate 2 is fed together with the cutter 46a.
Therefore, the relative position between the glass plate 2 and the cutter 46a changes.
Therefore, the X-axis cutter portion 42
Le Q₁The glass plate 2 conveyed above, the glass plate 2
Immediately without the need for alignment or edge detection.
Live becomes possible, and the transport device 31 and glass
The process time at the bar 41 can be reduced compared to the conventional one.
You.

In FIG. 6, the leading edge 2a of the glass plate 2
Is located forward of the cutter 46a, the scribe line is carved from the inside of the edge of the glass plate 2 (referred to as an inner cut).
If it is located behind the cutter 46a, the scribe line is carved from the edge of the glass plate
(It's called outer cut) Selection of whether to set the outer cutting to the inner cutting is determined in the conveying device 31 described above, after the leading end portion 2a of the glass plate 2 reaches the sensor S _0, or by the NC control command after the adjustment of the sensor S ₀ be able to.

When the X-axis cutter 42 is in the original standby position (FIG. 1)
(The position shown in (2)), then the Y-axis cutter 43
Is scribed in the Y direction by the cutter which is advanced in the Y direction with the cutter (not shown) raised, and then lowered when retracted.

The glass traversing device 61 installed downstream of the glass scriber 41 will be described. 62, the glass plate 2 on the table Q ₁ which is scribed in the X and Y directions, is a glass plate capturing device for capturing the table Q ₂ glass lateral feeder 61, the guide rails 63, 64 arranged on both sides The first scribe line of the glass plate 2 is conveyed to a predetermined position of the longitudinal break device 71 in the X direction along the line and is broken. Thereafter, the parallel movement is performed by the scribe pitch in the Y direction. The configuration is shown in FIG.

Reference numeral 65 denotes a suction tube for sucking the glass plate 2, and reference numeral 66 denotes a cylinder for moving the suction tube 65 up and down. The suction tube 65 is guided and moved by the linear rail 67 so that the air does not occur. 68 is table Q ₂
The reference numeral 69 denotes a cylinder for moving the cullet removing device 68 up and down. The suction unit V is provided for fixing by suction the glass plate 2 to the table Q ₂ also in table Q _2.

Reference numeral 71 denotes a vertical break device that breaks (breaks) the glass plate 2 fed by the scribe pitch in the Y direction by the glass plate horizontal feed device 61. One piece that has been broken in the Y (vertical) direction is then positioned by a stopper 82 on a positioning table 81, and the glass piece is then changed in the transport direction by a glass take-in device 83, and the next glass vertical The glass piece is fed to the feeding device 84 by the scribe pitch in the X direction, and the fed glass piece is broken along the scribe line in the X (horizontal) direction by the horizontal break portion 85.

[0037]

As described above, according to the glass scriber of the present invention, the suction means for transferring the glass plate to the table is provided with the cutter, and the cutter is moved integrally when the glass plate is transferred. Even if the glass plate is transported to the table, the relative position between the glass plate and the cutter does not change. Scribing can be performed by the cutter with the position information at the time when the plate is held. For this reason, the process time of the scriber can be reduced as compared with the conventional one. Further, by moving the suction means up and down using the linear rail as a guide, it is possible to completely eliminate the displacement of the glass plate. Further, by providing the cullet removing device integrally with the X-axis cutter unit, the table can be cleaned at the same time as the glass plate is transported, and the time required for the process can be further reduced.

Further, in the automatic position setting device provided in the glass scriber, the locking of the slider to the bridge is released by engaging the means with the slider.
The movement of the means causes the engaged slider to slide along the bridge, and then releases the engagement, thereby automatically locking the slider to the bridge. The position of the slider can be accurately set with a simple configuration, and the apparatus cost can be reduced.

[Brief description of the drawings]

FIG. 1 is a plan view showing an entire system including a glass scriber of the present invention.

FIG. 2 is a plan view of a glass sheet supply device.

FIG. 3 is a side view showing the operation of the glass sheet supply device.

FIG. 4 is a side view showing the operation of the glass plate supply device.

FIG. 5 is a detailed view of an X-axis cutter part in the glass scriber of the present invention.

FIG. 6 is a sectional view showing a moving mechanism in the slider of FIG. 5;

FIG. 7 is a side view showing a suction pipe section in the horizontal glass feeder of FIG. 1;

[Explanation of symbols]

Reference Signs List 1 stock table 2 glass plate 11 glass plate supply device 12 plate 13 shaft 15 pin 16 pin 17 first plate 18 second plate 19 pin 20 pin 21 arm 22 arm 23 working arm 24 cylinder 26 suction tube 31 transfer device 32 Conveyor 33 Roller 41 Glass scriber 42 X-axis cutter (bridge) 42a Slider fixing surface 43 Y-axis cutter (bridge) 44 Guide rail 45 Slider 46 Cutter holder 46a Cutter 47 Suction tube 48 Cullet remover 49 Cylinder 50 Cylinder 50a Linear Rail 52 Piston 53 Spring 54 Guide shaft 55 Vent hole 55a Opening 56 Air gun 56a Nozzle 57 Cylinder 61 Glass lateral feeder 62 Glass plate take-in device 63 Guide rail 64 Guy Doreru 65 suction pipe 66 cylinder 67 linear rails 68 cullet removal apparatus 69 cylinder 71 longitudinally breaking device 81 positioning table 82 stopper 83 glass capture device 84 Glass longitudinal feeding apparatus 85 transverse break portion Q table M motor V suction means S ₀ sensor

Claims (3)

[Claims] A glass scriber for scribing the glass plate supplied by 1. A glass supply device and the like, on the table Q ₁ and X-axis the cutter unit 42 for reciprocating in the traveling direction of the X-axis the cutter unit 42 A plurality of sliders 45 extending in the direction orthogonal to each other and provided slidably with respect to the guide rails 44 and provided integrally with the X-axis cutter portion 42; A cutter holder 46 having a movable cutter 46a and suction means 47 are provided, and the suction means 47 is provided with the cutter holder 46 raised.
It was lowered by advancing the X-axis the cutter unit 42 in a state where the leading edge of the glass plate 2 sucked fixed by the suction means 47 to convey the glass sheet 2 to the table Q ₁ above, the glass plate 2 was fixed to the table Q ₁ by fixing means, after this, is raised after releasing the suction of the suction means 47, and, when retracting the X-axis the cutter unit 42 from lowering the cutter holder 46, a cutter A glass scriber wherein a glass plate 2 is scribed by 46a. 2. The slider 45 is biased by an urging force.
Means 56 for providing a locking means 52 for locking the slider 45 to the X-axis cutter section 42, and movable along the X-axis cutter section 42 or a guide shaft 54 provided in parallel with the X-axis cutter 42 section. By engaging the means 56 with a desired slider 45, the X-axis cutter portion 42 of the slider 45 is provided.
2. The glass scriber according to claim 1, further comprising an automatic positioning device that releases the locking of the slider 45 and moves the means 56 in this state, thereby positioning the slider 45 in accordance with desired scribe pitch data. 3. The glass scriber according to claim 1, wherein a cullet removing device for sucking and removing glass chips in front of the cutter is provided integrally with the X-axis cutter portion.