JPH06247726A - Method for positioning platy material and device therefor - Google Patents

Abstract

PURPOSE:To improve the precision in positioning a sheet-shaped material by vibrating a diaphragm carrying the material to deliver the material along a traveling line and stopping the material at a specified position by a stopper member. CONSTITUTION:The rods of air cylinders 68 are extended, a cylinder 62 is operated, and a sheet glass 50 is turned through a specified angle by a vibrating feeder 32, The rods of the cylinders 68 are contracted to lock a turntable 52, and the feeder 32 is set at a position to travel the sheet glass 50. An AC current is then applied to an electromagnetic coil 38 which is turned on or off periodically, a magnet 44 is attracted by an attractive force when the coil is turned on and separated by a plate spring 40 when the coil is turned off, hence a diaphragm 42 is vertically vibrated, and the sheet glass 50 on the diaphragm 42 is sent to the right by the plate spring 40 leaned to the left. The sheet glass 50 is then abutted on a stopper member and stopped, and sheet glass is positioned at a specified position with high precision.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for positioning a plate-like material such as a plate glass used for a side window of an automobile and an apparatus therefor.

[0002]

2. Description of the Related Art Sheet glass used for automobile side windows and the like is cut into a shape suitable for the side windows, and the cut surface is chamfered in a post process. The chamfered plate glass is heated in a heating furnace to be bent and formed into a curved surface suitable for the side window. In this step, when chamfering or bending is performed on the cut glass, it is necessary to position the cut sheet glass at a predetermined position in order to maintain the processing and forming accuracy.

A plate glass positioning device (see FIG. 6) is used to position the plate glass. The plate glass positioning device includes upper side stoppers 10A and 10B, a side side stopper 12 and a pusher 14. Upper side stopper 1
0A, 10B and the side edge stoppers 12 are positioned at the reference positions, and the pusher 14 has the upper edge stoppers 10A, 1B.
It is movably supported so as to push the plate glass in the direction of 0B and the side stopper 12.

Accordingly, when the plate glass 16 is pushed out by the pusher 14, the plate glass 16 comes into contact with three points of the upper side stoppers 10A, 10B and the side side stopper 12 and is positioned at a predetermined position. Incidentally, reference numeral 18 in FIG. 6 denotes an opening hole formed in the transport surface 20 for blowing air.

[0005]

However, in the method of extruding the sheet glass 16 with the pusher 14, the pusher 14 is used.
When the plate glass 16 is extruded by, the plate glass 16 may not be positioned at three points of the upper side stoppers 10A, 10B and the side side stopper 12, but may be positioned by only contacting the plate glass 16 at two points of stoppers. is there. in this case,
There is a problem that the plate glass 16 is positioned without being accurately arranged at a predetermined position.

Further, when the type of the sheet glass changes and the shape and weight of the sheet glass change, there is a problem that it takes time to position the pusher and adjust the extrusion direction. The present invention has been made in view of such circumstances,
An object of the present invention is to provide a plate-like material positioning method and device capable of positioning the plate glass with high accuracy and eliminating the need for pusher adjustment time when the shape or weight of the plate glass changes. To do.

[0007]

According to the present invention, there is provided a step of placing a plate-shaped material on a vibration plate of a vibration feeder means and feeding the plate-shaped material along a conveying path, and a step of feeding the plate-shaped material along the conveying path. The method for positioning a plate-shaped material, which comprises the step of positioning the plate-shaped material that has been fed by a stopper member at a predetermined position in the transport path, and an apparatus for carrying out the method.

[0008]

According to the present invention, the vibrating feeder means has a vibrating plate capable of vibrating and vibrates the vibrating plate to feed the plate-shaped material on the vibrating plate in a predetermined direction. Then, the stopper member stops the plate-shaped material fed in the predetermined direction at a predetermined position. As described above, by feeding the plate-shaped material in the predetermined direction using the vibrating feeder means, the plate-shaped material can be reliably brought into contact with the stopper member.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A plate-like member positioning method and apparatus according to the present invention will be described below in detail with reference to the accompanying drawings. 1 is a perspective view showing a state where the plate-shaped material is positioned by the plate-shaped material positioning device according to the present invention, FIG. 2 is a sectional view of the plate-shaped material positioning device according to the present invention, and FIG. 3 is shown in FIG. It is an AA arrow line view. 4 is a plan view of the plate-shaped member positioning device according to the present invention, and FIG. 5 is a view taken along the line BB of FIG.

As shown in FIG. 2, a plate-like material positioning device 3
Reference numeral 0 includes a vibration feeder means 32, a switching means 34 and a stopper member 35 (see FIG. 1). The vibrating feeder means 32 has a fixed plate 36, and an electromagnetic coil 38 is provided at the center of the fixed plate 36. In addition, the fixing plate 36
A diaphragm 42 is connected to the plate via plate springs 40, 40 ... The diaphragm 42 is provided with a magnet 44, and the magnet 44 is provided so as to face the electromagnetic coil 38.

Therefore, when an alternating current is supplied to the electromagnetic coil 38, the electromagnetic coil 38 is "ON" at a constant cycle,
It will be in the "OFF" state. When the electromagnetic coil 38 is in the “ON” state, the magnet 44 is attached to the electromagnetic coil 38.
Adsorption force for adsorbing is generated. Therefore, the magnet 44 moves in the direction of the electromagnetic coil 38 (that is, in the downward direction in FIG. 2) against the biasing force of the leaf springs 40.

On the other hand, when the electromagnetic coil 38 is in the "OFF" state, no attraction force is generated in the electromagnetic coil 38, so that the magnet 44 moves upward in FIG. 2 by the urging force of the leaf springs 40. . In this case, the leaf spring 4 in FIG.
Since 0, 40, ... Are inclined to the left, the diaphragm 42 rises in the direction of arrow F. Therefore, when the vibrating plate 42 vibrates in the vertical direction corresponding to the +/- period of the alternating current, the plate glass 50 placed on the vibrating plate 42 is fed rightward in FIG.

The vibrating feeder means 32 includes a vibrating plate 42.
Of the vibrating plate 42 for each model of the plate glass 50 by detecting the amplitude of
The amplitude of can be adjusted. In this case, the diaphragm 42
The amplitude of is adjusted by adjusting the alternating current. In this way, by adjusting the amplitude of the vibrating plate 42, even when the type of the plate glass 50 to be positioned is different and the weight is changed, the feeding speed of the plate glass 50 can be kept constant.

Further, the vibrating feeder means 32 is the vibrating plate 4
The amplitude of 2 can be switched in two steps. That is, the vibration speed of the vibrating plate 42 can be selected in two steps, that is, when the amplitude is high and when the amplitude is low, and the feeding speed of the plate glass 50 can be selected in two steps. The fixed plate 36 is fixed to the rotary plate 52, and the rotary plate 52 is rotatably supported by the base plate 54 via the center shaft 56. The center shaft 56 is fixed to the base plate 54 via bolts 56A. Further, as shown in FIG. 3, an L-shaped lever 60 is rotatably supported on the base plate 54 via a shaft 58. A cylinder 62 is provided at one end of the lever 60.
And the air cylinder 62 is connected to the base plate 54.
It is rotatably supported by.

On the other hand, a pin 6 is provided at the other end of the lever 60.
A roller 66 is rotatably supported by means of a roller 4 (see FIG. 2). The roller 66 is movably supported in an elongated hole 52A formed in the rotary plate 52, and the pin 64 is movably supported in an arcuate elongated hole 54A formed in the base plate 54. Therefore, when the cylinder 62 expands and contracts and one end of the lever 60 rotates via the pin 58,
A pin 58 fixed to the other end of the lever 60 moves in the arcuate slot 54A.

As a result, the roller 66 provided on the pin 58 moves along the arcuate elongated hole 54A and also moves within the elongated hole 52A formed on the rotary plate 52, so that the rotary plate 52 is rotated by the shaft. Roller 66 centered on 58
It follows and rotates. The diaphragm 42 is set to rotate in the left-right direction by 30 ° (see FIG. 4).

Air cylinders 68, 6 are provided on the base plate 54.
8 is provided, and the rods of the air cylinders 68, 68 are formed in the rotary plate 52.
B is movably supported. Therefore, when the rotary plate 52 rotates about the center shaft 56, the rods of the cylinders 68, 68 are provided with arcuate slots 52B of the rotary plate 52.
Move in 52B. In this case, the air cylinder 68
The rods are kept in an extended state. Then, when the rotary plate 52 is rotated to a predetermined angle, the rod of the air cylinder 68 can be contracted to lock the rotary plate 52 at the predetermined angle. Thereby, the feeding direction of the plate glass 50 can be switched to three directions of A, B and C (see FIG. 4).

The base plate 54 has bolts 70, 70 ...
Is fixed to the mounting plate 72 via the
Is fixed to the mount 74. As a result, the pair of vibrating feeder means 32 is attached to the gantry 74 (see FIG. 5), and the vibrating plates 42 are arranged on both sides of the transport path 76 shown in FIG. As shown in FIG. 1, the stopper member 35 has upper side stoppers 35A, 35B and side side stoppers 35C, and these stoppers 35A, 35B, 35C are provided in the conveyance path 76. Then, the stoppers 35A, 35
The upper side of the plate glass 50 fed in the direction of arrow C by the vibrating plates 42, 42 comes into contact with B, and the vibrating plate 4 is brought into contact with the stopper 35C.
The sides of the sheet glass 50 fed in the direction of arrow C at 2, 42 abut. As a result, the plate glass 50 is reliably positioned at three points.

Further, the stoppers 35A, 35B and 35C can be mounted at different positions depending on the direction of conveyance of the plate glass 50. That is, when the plate glass 50 is fed in the A direction, the stoppers 35A, 35B, 35 are placed at positions for positioning the plate glass 50 fed in the A direction at a predetermined position.
When fixing C and feeding the plate glass 50 in the B direction,
The stoppers 35A, 35B, and 35C can be fixed at positions where the plate glass 50 fed in the B direction is positioned at a predetermined position.

The operation of the plate-like material positioning device configured as described above will be described. When the vibrating feeder means 32 conveys and positions the plate glass 50 in the C direction, the air cylinder 62 is operated while the rods of the air cylinders 68, 68 are extended to move the vibrating feeder means 32 to the left 30. Rotate. After completion of rotation, air cylinder 6
The rods 8 and 68 are contracted to lock the rotary plate 52.
As a result, the vibration feeder means 32 is set at the position where the plate glass 50 is conveyed in the C direction.

In this state, when an alternating current is supplied to the electromagnetic coil 38 of the vibrating feeder means 32, the vibrating plate 42 vibrates in the vertical direction corresponding to the +/− cycle of the alternating current. In this case, since the leaf springs 40, 40 ... Incline to the left in FIG. 2, the diaphragm 42 moves upward in the arrow F direction. As a result, the plate glass 50 on the diaphragm 42 is fed in the right direction in FIG. 2 (that is, in the C direction in FIG. 1).

Therefore, when the plate glass 50 transported by the transport path 76 shown in FIG. 1 is placed on the vibrating plate 42, the plate glass 50 is fed in the C direction. As a result, the upper side of the plate glass 50 contacts the stoppers 35A and 35B, and the side of the plate glass 50 contacts the stopper 35C. Therefore,
Secure the plate glass 50 to the stoppers 35A, 35B, 35C
It can be positioned at a predetermined position with high accuracy by abutting the three points.

In the above embodiment, the case where the plate glass 22 is positioned has been described, but the present invention is not limited to this, and the present invention can be applied to other plate-shaped members.

[0024]

As described above, according to the method for positioning a plate-shaped member and the apparatus therefor according to the present invention, the vibrating feeder means is provided with a vibrating diaphragm, which vibrates to vibrate. The upper plate-shaped material is fed in a predetermined direction. And
The stopper member stops the plate-shaped material fed in a predetermined direction at a predetermined position.

As described above, by feeding the plate-shaped material in the predetermined direction using the vibrating feeder means, the plate-shaped material can be reliably brought into contact with the stopper member. Therefore, the plate-shaped material can be positioned with high accuracy, and the pusher adjustment time can be eliminated when the shape or weight of the plate-shaped material changes.

[Brief description of drawings]

FIG. 1 is an explanatory view for explaining the operation of a plate-shaped material positioning device according to the present invention

FIG. 2 is a sectional view of a plate-shaped material positioning device according to the present invention.

3 is a sectional view taken along line AA of FIG.

FIG. 4 is a plan view of a plate-like material positioning device according to the present invention.

5 is a sectional view taken along line BB of FIG.

FIG. 6 is a plan view of a conventional plate-shaped material positioning device.

[Explanation of symbols]

 30 ... Plate-shaped material positioning device 32 ... Vibration feeder means 34 ... Switching means 35 ... Stopper member 42 ... Vibration plate 50 ... Plate glass

Claims (3)

[Claims] 1. A step of placing a plate-shaped material on a vibrating plate of a vibrating feeder means and feeding the plate-shaped material along a conveyance path, and a plate-shaped material fed along the conveyance path. A plate member is positioned at a predetermined position on the conveyance path by a stopper member, and a plate-shaped member positioning method comprising: 2. A vibrating feeder means for vibrating the vibrating plate to feed the plate-like material along a conveying path, and a vibrating plate on which the plate-like material is placed; A plate-shaped material positioning device, comprising: a stopper member that stops the fed plate-shaped material at a predetermined position on a conveyance path. 3. The positioning of the plate-shaped material according to claim 2, further comprising switching means for rotating the vibrating feeder means to position the plate-shaped material at a predetermined angle in order to switch the feeding direction of the plate-shaped material. apparatus.