JPH02100841A - Working machine for glass pane - Google Patents

Abstract

PURPOSE:To perform the succeeding grinding and polishing speedily in good quality with a simple cutting by linking a cutting part, grinding part and polishing part by a common movement mechanism and forming the structure of performing cutting work, grinding work and polishing work in parallel simultaneously. CONSTITUTION:At the time when the cutting of a blank glass pane by the water jet from a jet nozzle 35 is performed on the suction cup 20 of a cutting part, the cutting section of a glass pane 65 is subjected to grinding by the specified shape by a diamond wheel 47 at a grinding part 3. After completion of cutting and grinding works, the glass pane 65 of the grinding part is transferred to the suction cup 21 of a polishing part 2 with the operation of a glass transfer device 51, the succeeding cut glass is fed to the grinding part 3, and a new blank glass pane 65 is fed to the suction cup 21 of the cutting part. The ground glass pane 65 transferred to the polishing part 2 is subjected to polishing in parallel to the succeeding cutting and grinding works. The polished glass pane polished by the polishing part 2 is taken out by the next cycle of the transfer device 51 and moved on a conveyor 5B.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention is capable of cutting thick plate glass such as table tops,
It relates to a machine that performs processing in a series of steps up to grinding and polishing the cut end.

By simply supplying the blank plate, you can easily cut and cut glass plates as thick as 8 mm to 19 mm and as large as 1 fft using completely automatic operation.
This product relates to kiritan, which performs grinding, polishing, conveyance, and finishing in an assembly-line process.

The present invention also relates to a machine that can be used to process and produce glass for automobiles, such as +J Idwind, Freon 1~Window, and Rear Quieter.

Further, in the present invention, first, a glass plate is cut into a predetermined shape by using a water jet 1 containing ultra-high pressure water and an abrasive, and in the next position, the cut part is cut into a predetermined shape by a diamond wheel. This is a machine that grinds the shape and then polishes the diamond grinding marks using a Q1 polishing boiler such as a polisher (grinding wheel) using the next positive controller.

Further, the glass plate processing I +ff machine of the present invention is a processing machine configured to perform processing, glass plate conveyance, etc. based on a numerical control system.

The present invention also provides grinding,
Twelve glass plate processing machines are provided which are configured to simultaneously perform polishing and glass cutting, and feed the glass plate under the control.

In addition, the glass plate +111 I machine according to the present invention further connects the cutting section, the grinding section, and the polishing section with a common movement mechanism, so that their respective operations are linked, so that the cutting operation, the grinding operation, and the polishing operation can be performed simultaneously in parallel. This is a glass plate processing machine configured to perform the following operations.

The purpose of the present invention is to simplify the above-mentioned cutting of a thick glass plate in a series of processing steps from cutting the thick glass plate to polishing the glass plate, and to make the cut surface very dense ( 1 I,
To provide a glass plate processing machine that can perform subsequent processing such as grinding and polishing with high quality and speed.

Embodiments of the present invention will be described below with reference to the drawings.

As shown in the figure, the glass plate processing machine of the present invention has a cutting section 1 on the right side, a polishing section 2 on the left side, a grinding section 3 in the center, and a glass conveying section 4 as a glass conveying device behind the glass plate processing machine. Further, a crowd table 5A is arranged in front of the cutting section 1 1j, and a take-out conveyor 5B is arranged behind the polishing section 2.

The cutting head 7 of the cutting section 1, the grinding head 6 of the grinding section, and the polishing head 8 of the polishing section are mounted on a common movement means 9, and are numerically controlled by these common movement means 9. Performs identical parallel motion in the orthogonal plane coordinate system.

That is, the cutting head 7, the grinding head 6, and the polishing head 8 share the X-axis and Y-axis of the orthogonal coordinate system.

The glass plate processing machine according to the present invention allows the cutting head 7, the grinding head 6, and the polishing head 8 to move in the X-axis direction, which is the left-right direction, from the front of the glass plate processing machine, and works to hold the glass plate. The table 19 is caused to move in the Y-axis direction, which is the front-rear direction when viewed from the front of the glass plate processing machine.

Through gate-shaped frame bases erected at both ends of the machine base 10,
A pedestal 12 is installed above the work table 19. Two sets of slide rail devices 13 are provided in front of this pedestal 12.
and 13 are provided in parallel along the X-axis direction.

The slide rail devices 13 and 13 consist of a rail body 14 laid on a pedestal 12 and a plurality of slides 15 that move on this rail body 14, and a linear motion base 1G is fixed to these slides 15. ing.

The cutting head 7, the grinding head 6, and the polishing head 8 are placed 8' in this direct-acting 16th part. Therefore, the cutting head 7, the grinding head 6, and the polishing head 8I are moved together with the translation table 16 in the X-axis direction by the slide devices 13 and 13.

The translation table 16 is driven in the X-axis direction by a feed screw 17 provided between two sets of slide rail bodies 14 and an X-axis control sweater 18 that drives the feed screw 11 via belt means. be exposed.

Stones are installed below the cutting head 7, the grinding head 6, and the polishing head 8 so that a work table 19 is guided to move in the Y-axis direction.

On the work table 19, a cutting suction cup 20 is arranged for the cutting head 7, a suction cup 22 for the grinding head 6, and a suction a 321 for the polishing head. These suction cups 2 are used to fix the glass plate.
0, 21, and 22 are connected to a vacuum pump (not shown) through piping valves and pipes so as to vacuum the glass plate.

The work table 19 is supported by the machine stand 10 at both ends thereof via slide devices. That is, it has slides 23 and 23 arranged parallel to each other along the Y-axis direction at both ends thereof, and these slides 23 and 23 engage with slide rails 24 and 24.

Through such engagement, the workpiece table 19 is supported by the slide rails 24 and 24. Since these slide rails 24 and 24 are laid in parallel along the Y-axis direction of the machine base 10, the work table 19 is guided to move in the Y@force direction.

The table 19 is driven in the Y-axis direction by two sets of feed screws 2 provided along the slide rails 24 and 24.
5 and 25, gear boxes 26, 26, and line shafts 27 that connect these feed screws 25 and 25 to the front surface 29 of the translation table 16 that moves the line shafts 27 in the X-axis direction via belt transmission means. Bearing devices 30, 30 and 30 are arranged corresponding to the suction holes 120, 21 and 22 of the work table 19, respectively. Each of these bearing devices 30, 30 and 30 comprises a shaft 31 held by a bearing. This shaft 31 is
The cutting head 7, the grinding head 6, and the polishing head 8 are arranged along a vertical axis perpendicular to the coordinate plane of the X and Y axes, and a cutting head 7, a grinding head 6, and a polishing head 8 are attached to each of these shafts 31.

Therefore, each of the cutting head 7, the grinding head 6, and the polishing head 8 is angularly controlled by rotation of the shaft 31 around a vertical axis perpendicular to the coordinate plane of the XY axes.

The angular drive of these cutting head 7, grinding head 6, and polishing head 8 is the shirt of each bearing device 30! -31. Bevel gears 32, 32 and 32 attached to 31 and 31, respectively, the line shaft 33 to which the bevel gears 32 and 32, which are combined with these bevel gears 32, are attached, respectively, and this lifeship 1 lift. This is performed by a z-axis control motor 34 which drives a z-axis control motor 33.

As shown in FIGS. 6 and 7, the cutting head 7 has a jet generating body 36 equipped with a jet nozzle 35, and a setting position of the jet nozzle 35 that is orthogonal to each other in a plane parallel to the XY coordinate plane. Take the shedding slide 37 and cross slide 38 that adjust in two directions, and the setting slide 3γ (draw a spaced frame 39), and attach it to the shaft 31 of the bearing device 30 at the top of this frame 39. It is being

The slide 31 is slid in one predetermined direction by a screw 371, and the cross slide 38 is adjusted to slide in another direction intersecting with the one direction by a screw 381.

The shet generation main body 36 uses ultra-high pressure water and rlI! The jet nozzle 35 that mixes the materials and sprays at an ultra-high speed, the ultra-high pressure on-off valve 37B connected to this jet nozzle 35, the supply pipe 40 that supplies the abrasive, and the jet nozzle 35. A holding body 41 is attached to the setting slide 37.

The jet generation main body 3G, via an ultra-high pressure hose 42,
The ultra-high pressure accumulator and ultra-high pressure generator cut the glass plate by jetting an ultra-high pressure water jet mixed with an abrasive material from the jet nozzle 35 by opening the mouth of the ultra-high pressure on/off valve.

The position of the shed nozzle 35 can be adjusted by means of the setting slide 37 and the cross slide 38, i.e. by moving the respective adjustment screws 371, 381.
The axis of rotation of the bearing device 30 can be aligned with the axis of rotation, that is, the axis 391 of the shaft 31 of the bearing device 30, and the position of the jet nozzle 35 can be shifted from the axis 391, thereby changing the cutting locus. Make fine adjustments. That is, the size of the cutting dimension is adjusted.

In other words, the cutting trajectory can be expanded or reduced.

As shown in FIGS. 8 and 9, the grinding head 6 disposed next to the cutting head 8 has a spindle motor 43 and a mounting position of the spindle motor 43 in the XY direction.
Cut adjustment slide 1z44 and cross slide 45 for adjustment in two orthogonal directions within a plane parallel to the coordinate plane.
and a vertical slide 4 for adjusting the vertical position of the grinding wheel 47.
6, and a grinding wheel 47 is attached to the shaft of the spindle motor 43. The cut adjustment slide 44 is adjusted to move in one predetermined direction by turning a screw 441, the cross slide 45 is adjusted to move in another direction perpendicular to the one direction by turning a screw 451, and the vertical slide 46 is adjusted to move in another direction orthogonal to the one direction by turning a screw 451. By turning the screw 461, the movement can be adjusted in a direction perpendicular to the above two directions. The entire head 1 mentioned above C1 is held suspended.

The grinding head 6 (J, the grinding wheel 41 is
By adjusting, that is, by turning the spring U441 and the screw 451, the nozzle center of the axial center nozzle 35 of the shaft 31 can be set to a moving trajectory that is almost coincident with the nozzle center.
<. Therefore, this ω] grinding head 6 adjusts the cutting depth adjustment slide 44 indicated by -]- with the screw 441 to bring the grinding point P at the peripheral end of the grinding boiler 47 forward from the axis of the shaft 31 by the amount of cutting. The grinding allowance is increased by somewhat reducing the movement locus (which gives

Of course, this grinding wheel 47 also applies to the shirt 1-
31, the angle is controlled so that the grinding point P at the peripheral end of the grinding boiler 47 always moves at a constant angle with respect to the etch line of the glass.

As the grinding wheel 47, a Thai A7 Mondo wheel for normal cylindrical grinding is used. Furthermore, this grinding head 6
In this embodiment, 1st base is shown, but the mounting position of the spindle 7-wheel 43 and this spindle motor 43 is determined by the above xY coordinate as shown in the grain size of the grinding wheel and the finish of the grinding rate wheel described later. A cutting adjustment slide 44 and a cross slide 45 are provided for adjustment in two orthogonal directions within a plane parallel to the plane, and a vertical slide 46 is provided for adjusting the vertical position of the polishing foil 4B. 48 is installed.

The spindle motor 43 is connected to the slide device 4.
9, the cut adjustment slide 4 is attached to the cut adjustment slide 44 by these four slide devices.
It is designed to slide in parallel with the adjustment movement direction No. 4 with a light load. Generally, the slide device 49 uses a ball slide bearing.

In order to slide the spindle motor 43 on the slide device 49, a fluid actuator 50 (usually an air cylinder) is attached to the cut adjustment slide 44, and its piston rod side is connected to the slide device t. It is connected to the slide side of 49.

Further, the cut adjustment slide 44 is adjusted to move in a predetermined direction by turning a screw 441, and the cross slide 45 is adjusted to move in another direction orthogonal to the above one direction by turning a screw 451. vertical slide 46
is moved in a direction perpendicular to both directions by turning the screw 461.

Then, at the upper part of the cross slide 45, the axis 'I
-H position 30 is attached to a shaft 31, and the entire polishing head 8 is held suspended by this shaft 31.

A polishing foil 484 attached to this polishing head 8,
A polisher wheel, a so-called disc-shaped grindstone (a cylindrical polishing whetstone, made by firing 61 abrasive grains in a polynistor resin base material, etc.) is used for polishing. The fluid actuator 50 shown in FIG.
8 is attached to the edge of the glass plate fixed by suction (air float state) and polished.

That is, while moving the polishing wheel 48 around the periphery of the glass plate, the polishing wheel 48 is simultaneously controlled in angle so that it always faces the normal direction of the outer periphery of the glass plate, and in this state, the fluid actuator 50 moves the polishing wheel 48 around the glass plate. Polishing is performed while 48 is elastically pressed against the glass plate by air pressure.

The fluid actuator 50 also supplies operating air through an electric-to-rush transducer, automatically controls the electric-to-rush converter, and changes the air pressure to push the glass plate to the polishing section tile 48. The attachment may be done by changing the force.

In this way, since the polishing foil 43 is pressed against the glass plate by receiving fluid elasticity such as air, the polishing process is performed reliably because the polishing foil 43 is pressed against the glass plate even when the grinding wheel is strongly quenched. A running space transport device 51 is shown.

This glass conveyance "A vr51" is the work table 19
and along the suction cups 20, 21, and 22 of the cutting section 1, the grinding section 3, and the polishing section 2. (To be precise, parallel to the sliding device in the X-axis direction.) This glass conveying device 511. L, a feed shaft mount 52 is installed on both side frames 11 and 11 of the machine 10 in parallel with the mount 12 movable in the X-axis direction, and a parallel guide provided on the lower surface thereof. A movable table 54 is attached to the rails 53 and 53 via slides 55 and 55 so as to be movably guided in parallel to the X-axis direction.

The drive for moving the moving table 54 of this glass conveying device 51 is provided by a feed screw 80 installed between two sets of guide rails 53 and 53, and a transmission means such as a toothed belt connected to the feed screw 80. Feed shaft drive motor 8 connected via 81
2. This feed shaft drive motor 82 is
It is controlled based on numerical information from the numerical control device.

Therefore, as will be described later, this glass conveying device 51 can transport glass! The 1!2 feed, ie the transfer, is precisely (-1) decremented at each bodochon interval by numerical control.

Further, brackets 5G and 5 are provided on the lower surface of the movable table 54.
A transfer frame 57 is attached via 6.

The transfer frame 57 has a length extending from the crowd table 5 to the polishing section 2, and is provided with suction pads 58 at positions corresponding to the positions of each working section and the positions of each tapping head. That is, these suction pads 58 are located above the crowded table 5, the suction cups 20 for cutting, the suction cups 21 for grinding, and the suction cups 22 for polishing, respectively. These suction cup pads 58 are taken into respective one ashing devices 60 mounted on the transfer frame 57 via brackets 59.

The suction pad 58 is attached to the screw rod 61 of the air cylinder device 60, and the suction pad 58
0, the suction pad 58 is attracted to the glass plate to be attracted by the extension of the piston rod 61, and the glass plate is lifted by pulling up the screw rod 61.

The glass conveyance device 51 moves the transfer frame 57 in this state f, and along with this movement, transfers the sheet glass to the next position in the working section, and suspends the suction pad 58 again by the air cylinder device GO. After hanging, the suction that holds the glass plate is released, and the process from supplying the blank glass to processing and finishing will be explained in order.

When starting this glass plate processing machine, the jet nozzle 35, grinding wheel 47, and polishing wheel 48 of the Moraron cutting section, as well as the work table 19 and the glass conveying device 51, are each placed on standby at the origin, that is, the starting position. .

Note that the origin of the work table 19 is located directly below the suction pad 58 of the glass conveyance device 51. At the starting position of the work table 19, the center lines of the suction pads 58 arranged along the direction of movement of the glass plate are aligned with the center line of the work table 19.

Furthermore, the origin of the glass conveying device 51 is defined in such a state that the conveying frame 57 is located at a position closer to the crowd side, which is the supply side of glass plates.

Now, as mentioned above, once each working section is at the origin, first place the raw glass 65 on the glass plate crowd table 50, press the start button of the glass plate processing machine,
When this glass plate processing machine is started, first, the suction pad 58 hangs down, attracts and lifts the raw glass.

From this state, the transfer frame 57 moves uJ, and the suction pad 5
When the suction cup 8 reaches the predetermined position of the suction cup 20 at the cutting part, the suction pad 58 hangs down and releases its suction bow against the raw glass plate.
Place the raw glass on the cutting suction cup 20, and attach the suction pad 5.
8 is back on loan again.

After that, the transfer frame 57 starts to move back to the origin, and at the same time, the cutting head 7, the grinding head 6, the polishing head 8, and the work table 19 start moving by numerical control, and the cutting operation (jet nozzle Enter cutting by water jet from 35 (1Wi).

When the cutting work is finished and the cutting head 7, grinding head 6, polishing head 8, so-C, and work table 19 each return to their original positions, the suction pad 58 hangs down again, and the glass plate 2
2 and move the transfer frame 57 to remove the cutting suction cup 20.
The upper cut glass plate is transferred onto the suction cup 22 of the next grinding section. The suction cup 20 of the cutting part is attached to the insertion table 5.
New sheet glass will be supplied by.

The raw glass is being cut on the suction cup 20 of the cutting part.

After that, a new blank plate is supplied to the suction cup 20 of the cutting part.

The ground glass plate transferred to the polishing section 2 is subjected to polishing work in parallel with the next cutting process and grinding process.

The polished glass plate polished in the polishing section 2 is transferred to the conveying device 51
In the next cycle, it is transferred onto the take-out conveyor 5B fj+. The glass plate is taken out of the glass plate processing machine by the operation of the conveyor 5B. As described above, the present invention allows cutting, grinding, and polishing to be performed in parallel by a common control means, thereby significantly reducing the number of operations compared to the conventional technology that uses separate devices.

Furthermore, since it has a cutting section 1, a grinding section 3, and a polishing section 2, and a glass conveying device 51 is provided through these cutting section 1, grinding section 3, and polishing section 2, this machine of - The process from supplying a raw glass plate to taking out a polished finished glass plate can be performed automatically and continuously without any manual effort.

In particular, in the present invention, the cutting of the glass plate in the cutting section 1 is carried out using a water jet of ultra-high pressure water mixed with an abrasive, so that the cut surface is formed into a completely opaque flan 1 surface, which is removed during the grinding process in the post-process. Machining and polishing are done quickly with light power.
and the machined surface has a high quality finish.

Since there are no pitting, unevenness, or tooth-like surface formation on the cut surface, which occurs when cutting with a conventional H-shaped wheel, only a small amount of grinding is required, and a dense and high-quality finish can be obtained.

In addition, unlike conventional machines, there is no need for a folding section, so the entire machine has a compact structure.

[Brief explanation of drawings]

FIG. 1 is a front view of the processing machine of the present invention, FIGS. 2 to 3 are partially cutaway plan views of the processing machine of the present invention, and FIGS. 4 to 5 are the processing machines of the present invention. FIGS. 6 and 7 are side views of the cutting head, FIGS. 8 and 9 are side views of the grinding head, and FIGS. 10 and 11 are side views of the polishing head. FIG. 12 is a plan view of the polishing head during processing. 1... Cutting section, 2... Polishing section, 3... Grinding section, 4
...Glass conveyance section, 5△...Crowd table, 5B...Takeout table, 6...Grinding head, ?
. . . Cutting head, 8 .・Rail body,
15...Slide, 16...Direction table, 17...Feed screw, 18...X-axis control motor, 19...Work table, 20...Suction cup of cutting section, 21... Suction cup of polishing part, 22... Suction cup of grinding part, 23... Slide for Y axis, 24... Slide rail, 25... Y
Feed screw for @, 26...gear box, 27...
Line shaft, 28... Y-axis control motor, 30...
...Bearing device, 31...Shaft, 32...Bevel gear-33...Line shaft, 34...Z-axis control motor, 35...Jet nozzle, 36...Jet generating body, 37... ...Setting slide, 38
...Cross slide, 39...Frame, 40...
・Ultra high pressure on/off valve, 41... Holding body, 42...
- Abrasive material supply pipe, 43... Spindle morph polishing boiler, 49... Slide device, 50... Fluid actuator, 51... Glass conveyance device, 52... Feed shaft mount, 53... Guide rail, 54... moving platform, 5
5...Slide, 5G...Bracket, 57...
Transfer frame, 58... Suction bat, 59... Bracket for suction bat, 60... Air cylinder device, 61.
... Piston rod, 65... Plain glass, /7 /e

Claims (1)

[Claims] A cutting section that cuts the glass plate into a predetermined shape using a water jet containing an abrasive mixed with ultra-high pressure water, a grinding section that grinds the cut end into a predetermined shape, and a polishing section that polishes the grinding marks with a polishing wheel such as a polisher. and a glass conveying device that sequentially numerically controls and transfers the glass plate through the cutting section, the grinding section, and the polishing section, and the cutting section, the grinding section, and the polishing section are connected to each other, and a control unit that numerically controls each of them in common. A glass plate processing machine consisting of means and means.