JPH08225151A - Face bar conveyance device - Google Patents

Abstract

PURPOSE: To facilitate the holding and the positional adjustment of a face bar to increase conveyance speed to a conveyance object part. CONSTITUTION: The principal part of this face bar conveyance device is composed of a vacuum adsorbing means 10 for holding a work 1, a cylinder device 20 for moving up and down the vacuum adsorbing means 10 in the vertical direction and a horizontally moving means 30 for moving the vacuum adsorbing means 10 and the cylinder device 20 in the horizontal direction. A balance circuit having a pressure-reducing valve as an adjustment mechanism for maintaining the work 1 in a predetermined position is provided in the cylinder device 20. Hereby, the work 1 is vacuum-adsorbed by the vacuum adsorbing means 10 and moved up by driving the cylinder device 20 and after that, the positional adjustment for the the work 1 can be made by the pressure-reducing valve of the balance circuit under the unloaded condition and the work 1 can be conveyed to a conveyance object part.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a face material conveying device, and more particularly to a face material conveying device for conveying a face material such as a glass shoji to a predetermined place such as a sash frame portion of a building unit. It is a thing.

[0002]

2. Description of the Related Art As a conventional face material conveying device of this type, a movable table, a chuck table tiltably supported by the movable table, and a chuck provided on the chuck table for gripping upper and lower end portions of the surface material. A structure having a mechanism and a tilting mechanism installed on a moving table for tilting a chuck table is known (see Japanese Patent Laid-Open No. 60-213440).

There is also known a structure in which a surface material is adsorbed by a vacuum pad, the surface material is moved up and down by raising and lowering a lifting cylinder, and is moved horizontally by a monorail (Japanese Patent Laid-Open No. 5-229778). reference).

[0004]

However, the former technique, that is, the technique disclosed in Japanese Patent Application Laid-Open No. 60-213440, has a structure in which the upper and lower end portions of the face material are gripped by a chuck, and therefore, depending on the size of the face material. Has a problem that it is very troublesome to grip the face material and it takes a lot of time.

On the other hand, the latter, that is, JP-A-5-22
The technique disclosed in Japanese Patent No. 9778 can easily hold the face material because the face material is sucked by vacuum suction, but when the face material is relatively heavy, the holding position of the face material can be adjusted. It is difficult, and there is a problem that it takes a lot of time and labor to align the position of the sash frame or the like with the object to be conveyed.

The present invention has been made in view of the above circumstances, and enables the face material to be easily held, the position of the held face material to be easily adjusted, and the face material to be conveyed to a target portion to be conveyed quickly. It is an object of the present invention to provide a face material conveying device having the above-mentioned structure.

[0007]

In order to achieve the above object, a first face material conveying device of the present invention is a vacuum suction means for holding a face material and a vertical suction means for vertically moving the vacuum suction means. A direction moving means and a horizontal moving means for moving the vacuum suction means and the vertical moving means in the horizontal direction are provided, and the vertical moving means is provided with an adjusting mechanism for maintaining the face material at a predetermined position. It is characterized in that (claim 1).

A second face material carrying device of the present invention is
A vacuum suction means for holding the face material, a vertical movement means for vertically moving the vacuum suction means, and a horizontal movement means for horizontally moving the vacuum suction means and the vertical movement means, The vertical moving means is formed by a pneumatic cylinder device, and a balance circuit for adjustment having a pressure reducing valve is provided in the pipe connecting the cylinder device and the air supply source via a switching means. (Claim 2).

In the present invention, it is preferable that the vertical moving means is provided with an ascending detecting means and the drive of the vacuum suction means is controlled based on a signal from the ascending detecting means (claim 3).

[0010]

According to the face material carrying device of the present invention, the face material can be sucked and held by driving the vacuum suction means, and the face material can be moved up and down by driving the vertical direction moving means. The surface member can be maintained at a predetermined position by the mechanism and can be maintained in a weightless state, and the surface member can be transferred to a transfer target position after being moved to a predetermined position by the horizontal moving means. .

According to another aspect of the present invention, there is provided the surface material conveying device, wherein the vertical moving means is formed by the pneumatic cylinder device, and the pressure is reduced through the switching means in the pipe connecting the cylinder device and the air supply source. By providing the adjusting balance circuit having the valve, the position adjustable holding and movement of the face material can be performed only by the pneumatic pressure.

According to another aspect of the present invention, there is provided the surface material conveying device, wherein the vertical moving means is provided with the rising detecting means, and the driving of the vacuum suction means is controlled based on the signal from the rising detecting means, so that the conveying operation is performed. It is possible to prevent the face material from falling off due to a malfunction.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a schematic perspective view showing the overall configuration of a face material conveying device of the present invention, and FIG. 2 is a schematic side view thereof.

The face material conveying apparatus of the present invention includes a vacuum suction means 10 for suction-holding a face material such as a glass shoji 1 (hereinafter referred to as a work), and the vacuum suction means 10 in the vertical direction (Z
The vertical movement means 20 moves up and down in the horizontal direction, and the horizontal movement means 30 moves the vacuum suction means 10 and the vertical movement means 20 in the horizontal direction (X and Y directions).

As shown in FIG. 3, the vacuum suction means 10 includes, for example, three suction cup-shaped suction pads 12 attached to a rectangular frame 11 and suction holes (not shown) of these suction pads 12. It is mainly composed of a vacuum pump 14 connected via a hose 6. In this case, a substantially U-shaped operation handle 15 is attached to the outside of the frame 11, and switches such as a switching valve described later (for example, a vacuum ON switch 2a,
Vacuum OFF switch 2b, forced release switch 2
c, ascending lever switch 2d, descending lever switch 2
e, crane / balance changeover switch 2f}, gauges {eg secondary side air pressure gauge 3a, secondary side vacuum gauge 3b}, indicator {eg adsorption OK indicator 4a, release preparation OK indicator 4b} or buzzer eg adsorption abnormality buzzer A control panel 16 incorporating devices such as 5 is mounted.

The vacuum pump 14 is connected to a vacuum tank 17, and by driving the vacuum pump 14, for example, the inside of the vacuum tank 17 is always 400 mmHg to 600 mmHg.
When the main power supply is cut off or a power failure occurs or the vacuum pump 14 fails due to abnormal heating, the monitoring unit 60 connected to the air supply circuit and the vacuum circuit operates to drive residual pressure air. It is configured to sound a buzzer as a source. Therefore, when the buzzer sounds, it is possible to immediately stop the use and find the cause of the failure. The capacity of the vacuum tank 17 is 100
By setting the value to (liter), it is possible to hold the work 1 for several minutes even in the case of a failure.

The vertical moving means 20 is formed by a pneumatic cylinder device which is movably suspended by the horizontal moving means 30, and a limit switch, which is extended and contracted downward, is provided at the tip of the plunger 21. Box 22
Is attached to this limit switch box 22
The frame 11 of the vacuum suction means 10 is suspended via a chain 23. In this case, an ascending limit switch (SW) 24 as an ascending detection means is arranged inside the limit switch box 22, and the chain 2 is connected to the contact point 24a of the ascending limit SW 24.
The end of the eyebolt 25 that connects the 3 is the compression spring 2.
The urging force of 6 always makes contact to form a normally closed circuit (see FIG. 4).

With this structure, the work 1 is sucked and held by the vacuum suction means 10, and the cylinder device 20 is held.
When the work 1 is lifted by driving, the contact between the contact of the lift limit SW 24 and the end of the eyebolt 25 is released against the elastic force of the spring 26, and the lift limit SW 24 is lifted.
Is turned on, the signal is transmitted to the control unit of the safety device (not shown), and the vacuum pump 1 is operated based on the signal from the control unit.
The vacuum trunk line between the suction pad 4 and the suction pad 12 is held in an open state, so that the held work 1 can be prevented from dropping due to an erroneous operation.

The cylinder device 20 is connected via a hose 6 to an air supply source such as a compressor (not shown). In this case, the hose that connects the cylinder device 20 and the air supply source, that is, the pipe 6 is composed of a main circuit 6A, a balance circuit 6B, and a control circuit 6C, as shown in FIG. Of these, the main circuit 6A includes a 3-port 2-position switching valve 40a, an ascending switching valve 41, and a descending switching valve 4
3, a speed controller 44, a pressure gauge 3a, a filter 45a, and a unit 45 having a pressure reducing valve 45b. The balance circuit 6B is the same as the main circuit 6A.
Port 2 position switching valve 40a primary side port and unit 4
The pilot type pressure reducing valve 46 for position adjustment provided in the pipe line 6a connecting the No. 5 side, and the pipe line 6b connecting the adjusting port 46a of the pressure reducing valve 46 and the air supply side of the cylinder device 20. One port that is installed on the
It is composed of a port 2 position switching valve 40b. Also,
The control circuit 6C connects the operating portion of the 3-port 2-position switching valve 40a of the main circuit 6A, the operating portion of the 3-port 2-position switching valve 40b provided in the balance circuit 6B, and the unit 45 side of the main circuit 6A. A switching valve 47 as a crane / balance switching switch (SW) is provided in the connecting pipe 6c.

The ascending switching valve 41 and the descending switching valve 4
3. The speed controller 44 and the crane / balance switching valve 47 are incorporated in the control panel 16. Further, the 3-port 2-position switching valves 40a, 40b and the pilot type pressure reducing valve 46 are arranged on the side of the cylinder device 20. Although not shown in the circuit diagram of FIG. 5, air is supplied to the safety device section of the vacuum suction means 10 via the crane / balance switching valve 47.

In the pipe constructed as described above, when the raising switching valve 41 is switched to the communication side, the air from the air supply source flows into the cylinder device 20, the plunger 21 contracts and moves, and the work 1 rises. . At this time, FIG.
The air pressure in the pipe section, which is indicated by the bold line in, is determined. Then, as shown in FIG. 5B, when the switching valve 47 for switching the crane / balance is turned on, the 3-port 2-position switching valve 40a.
And 40b are switched. Then, the adjustment port 46a side of the pilot type pressure reducing valve 46 of the balance circuit 6B is sealed with the determined air pressure as described above, and the cylinder device 2
The 0 side is also sealed.

When both the adjusting port 46a side and the cylinder device 20 side of the pilot type pressure reducing valve 46 are sealed, the pressure on the adjusting port 46a side is compared with the comparative filling pressure (P0).
As a result, the pressure (P1) on the cylinder device 20 side is adjusted to be equal to the comparative enclosure pressure (P0) corresponding to the load weight, and as a result, a balanced state is achieved.

That is, when the pressure (P1) on the cylinder device 20 side becomes larger than the comparative enclosure pressure (P0) due to the movement of the work 1 in the balanced state, the air for the differential pressure is exhausted by the exhaust port 46b of the pressure reducing valve 46. More exhausted. Further, when the pressure (P1) on the cylinder device 20 side of the pressure reducing valve 46 becomes smaller than the comparative enclosure pressure (P0) on the adjusting port 46a side of the pressure reducing valve 46, the cylinder device 20 side of the pressure reducing valve 46 and the conduit 6a are separated. The air for communication is supplied to the cylinder device 20 via the check valve 42. As a result, the pressure (P1) on the cylinder device 20 side is adjusted to the comparative enclosure pressure (P0), and the balance state is maintained. In this state, when the load of the work 1 raised by the cylinder device 20 is manually moved up and down, the work 1 can be moved as if it were in a weightless state. Although the force at this time depends on the load weight, it can be set to, for example, 5 Kgf (approximately 50 Newton) or less,
The work 1 can be easily transported by the hand of one operator.

As shown in FIGS. 1 and 2, the horizontal moving means 30 is slidable on a pair of aluminum alloy runway rails 31 extending in the Y direction and parallel to each other, and below the runway rail 31. Attached, X
Direction aluminum alloy girder rail 32
It is formed of an XY free rail consisting of By suspending the cylinder device 20 below the girder rail 32 of the XY free rail configured as described above through the trolley 33, the work 1 sucked by the vacuum suction means 10 is transferred to a predetermined transfer target position. Therefore, the work 1 can be smoothly transported, and the work 1 is prevented from shaking greatly even when the work 1 is suddenly stopped.

Next, the operation of the face material conveying device of the present invention will be described with reference to the flowchart shown in FIG. First, the vacuum pump 14 is driven to introduce air (step A). Next, when the vacuum ON / OFF switch (SW) of the vacuum suction means 10 is turned on (step B), the vacuum OK lamp changes from red to green when the vacuum pressure is, for example, 400 mmHg or more (steps C and D). . In addition, a suction abnormality alarm such as a foreign matter biting on the suction pad 12 or a crack of the suction pad itself, which is considered at the time of suctioning a work, is generated by the air attached to the frame 11 on the vacuum suction means side when the vacuum pressure becomes 400 mmHg or less. The buzzer 5, which is the drive source, sounds to notify the abnormality.

After confirming that the vacuum pressure has reached an appropriate value and the work 1 has been sucked by the suction pad 12, the crane / balance SW (switching valve 47) is switched to the crane side, and the cylinder raising lever (raising switching valve 41) is set. When is turned on, air is supplied to the cylinder device 20, the plunger 21 of the cylinder device 20 contracts, and the cylinder rises, that is, the work 1 rises (steps E to H). Work 1
The crane / balance S after raising the
When W (switching valve 47) is tilted toward the balance side (step I), the pressure (P1) on the cylinder device 20 side of the pilot type pressure reducing valve 46 of the balance circuit 6B becomes equal to the comparative enclosed pressure (P0) as described above. As a result, the position of the plunger 21 of the cylinder device 20 is maintained, and the cylinder device 20 is in a balanced state.
In this state, the work 1 is conveyed to the conveyance target position and, for example, the work 1 is set in the sash frame of the building unit (step J).

After setting the work 1, tilt the crane / balance SW to the crane side to turn on / off the vacuum.
When the cylinder lowering lever (lowering switching valve 43) is turned on after the SW is turned off, the cylinder is lowered, that is, the plunger of the cylinder device 20 is extended downward, and the vacuum suction means 10 is lowered (steps K to N). Vacuum suction means 1
When 0 is lowered, the ascending limit switch 24 is turned off.
F, the release OK lamp lights up, and the vacuum ON / OFF SW of the vacuum pump 14 becomes effective. Therefore, when the vacuum ON / OFF SW is turned OFF, and then the release push button (P.B) is turned ON,
Cleaning air is jetted from the suction holes of the pad 12 of the vacuum suction means 10 to clean the pad 12, and at the same time, the work 1 can be detached, whereby the work is completed (steps OR).

After that, when another work 1 is to be transported and attached, the procedure from step B onward can be repeated.

In the above embodiment, the case where the vertical moving means, that is, the cylinder device 20 is mounted in a vertical state has been described, but the cylinder device 20 may be arranged in a horizontal state as shown in FIG. In this case, the above limit switch is connected via the balance hoist unit 50 attached to the cylinder device 20. The box 22, the frame 11 of the vacuum suction means 10, and the suction pad 12 are attached. In this case, in the rectangular frame-shaped unit body 51 connected to the cylinder body of the cylinder device 20,
A balance hoist unit 50 is formed by winding a wire 53 connected to the chain 23 around a pulley 52 mounted on the plunger 21 so that the wire 53 can be wound and unwound. The main body 51 of the balance hoist unit 50 is movably attached to the girder rail 32 of the horizontal moving means 30 via the trolley 33.

By arranging the cylinder device 20 in the horizontal state in this way, it is possible to cope with the case where the effective height is small, and the space can be effectively used. Since the other parts of the second embodiment are the same as those of the first embodiment, the same parts are designated by the same reference numerals and the description thereof will be omitted.

In the above embodiment, the case where the cylinder device 20 is a pneumatic cylinder has been described, but it is also possible to use a hydraulic cylinder. Further, in the above embodiment,
Although the case where the surface material is a glass shoji attached to the sash frame of the building unit has been described, the surface material does not necessarily have to be the glass shoji, and may be another surface material such as a hard panel. Further, it is needless to say that the present invention can be applied to a device that simply conveys the face material to a predetermined place.

[0032]

As described above, according to the face material conveying device of the present invention, since it is configured as described above,
The following effects can be obtained.

1) According to the face material conveying device of the first aspect, since the face material sucked and held by the vacuum suction means can be maintained in a weightless state and horizontally moved to a predetermined place, the weight of the surface material can be reduced. Even a certain surface material can be easily held and transported to a predetermined place, and the efficiency of the transportation work can be improved.

2) According to the surface material carrying device of claim 2, the vertical moving means is formed by a pneumatic cylinder device, and in the pipe connecting the cylinder device and the air supply source,
Since the adjusting balance circuit having the pressure reducing valve is provided via the switching means, it is possible to hold and move the face material in which the position can be adjusted only by the air pressure. Therefore, in addition to the above 1), the size and weight of the device can be reduced, and the cost can be reduced.

3) According to the surface material carrying apparatus of claim 3, the vertical movement means is provided with the rising detection means, and the drive of the vacuum suction means is controlled based on the signal from the rising detection means. It is possible to prevent the face material from falling due to a malfunction during transportation. Therefore, it is possible to improve the safety of the transfer work.

[Brief description of drawings]

FIG. 1 is a schematic perspective view of a first embodiment of a face material conveying device of the present invention.

FIG. 2 is a schematic side view of FIG.

FIG. 3 is a front view (a) and a side view (b) showing a vacuum suction means and a vertical movement means of the first embodiment.

FIG. 4 is a cross-sectional view showing a rising detecting means in the present invention.

FIG. 5 is a piping diagram for explaining the operation of the piping section in the present invention.

FIG. 6 is a flowchart illustrating the operation of the present invention.

FIG. 7 is a side view showing an essential part of a second embodiment of the face material carrying device of the present invention.

[Explanation of symbols]

 1 Work (Surface Material) 6A Main Circuit 6B Balance Circuit (Adjustment Mechanism) 6C Control Circuit 10 Vacuum Adsorption Means 20 Cylinder Device (Vertical Movement Means) 24 Lift Limit Switch (Raise Detection Means) 30 Horizontal Movement Means 46 Pilot Type Pressure Reduction Valve 47 Crane / balance switching valve (switching means)

Claims (3)

[Claims] 1. A vacuum suction means for holding a face material, and a vertical movement means for vertically moving the vacuum suction means,
It is provided with a horizontal moving means for moving the vacuum suction means and the vertical moving means in a horizontal direction, and the vertical moving means is provided with an adjusting mechanism for maintaining the face material at a predetermined position. Face material conveying device. 2. A vacuum suction means for holding the face material, and a vertical movement means for vertically moving the vacuum suction means.
The vacuum suction means and the horizontal movement means for moving the vertical movement means in the horizontal direction are provided, and the vertical movement means is formed by a pneumatic cylinder device, and the cylinder device and the air supply source are connected. In the pipe,
A face material conveying device characterized in that a balance circuit for adjustment having a pressure reducing valve is provided via a switching means. 3. The surface material conveying apparatus according to claim 1, wherein the vertical movement means is provided with a rising detection means, and the drive of the vacuum suction means is controlled based on a signal from the rising detection means. Face material transfer device.