JP2598059Y2 - Plate material supply device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sheet supply apparatus for supplying a sheet to a sheet processing machine such as a shearing machine.

[0002]

2. Description of the Related Art Conventionally, as a supply device of this type, for example, those described in Japanese Utility Model Laid-Open No. Sho 62-15421 and Japanese Utility Model Laid-Open No. Sho 62-15422 are known. The apparatus described in the above publication is provided with a supply device for supplying a plate material in front of a processing machine.

[0003]

However, in the above-mentioned conventional supply device, the next plate material cannot be carried in until the supply device supplies the plate material to the plate material processing machine and returns. However, since the table on which the plate material is placed is moved up and down, it takes a lot of time to move a heavy table up and down, and there is a problem that the work is dangerous. This invention was made with the aim of improving the above-mentioned problems, and the gripping means was changed to a sheet material processing machine.
After the plate material is supplied, the original
So that the next plate can be carried in while returning to the position
To improve productivity by providing an improved plate material feeder
Is what you do.

[0004]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention is installed in front of a sheet material processing machine,
A table composed of a plurality of horizontal rods arranged side by side in the plate material transport direction, a traveling body provided to be able to reciprocate in the plate material transport direction, and rotatably supported by the traveling body, and orthogonal to the plate material transport direction. A plurality of gripping means which are installed at intervals in the longitudinal direction of the arm table, and which grip the plate material carried on the horizontal rod and carry the same to the plate material processing machine; After the plate is supplied to the plate processing machine, the grip means is retracted downward from the plate transfer line by rotating the arm around a support shaft which supports the arm and is horizontally suspended between the arm and the traveling body. Evacuation means for moving the plate material onto the horizontal rod while the grip means disposed between the horizontal rods and retracted below the plate material transport line is returned to the original position. It is composed For conveying and gripping the plurality of positions of the plate by gripping means placed at intervals in the direction perpendicular to the click conveyance direction, there is no risk of such shift during transportation position in plate large size.

[0005]

[Embodiment] An embodiment of the present invention will be described in detail with reference to the drawings. FIG. 1 is a plan view showing a plate material supply device installed in front of a plate material processing machine such as a shearing machine, and FIG. 2 is a side view of the same. In these figures, reference numeral 1 denotes a plate material supply device main body, and 2 denotes a plate material processing machine. The main body 1 has a table 5 composed of a plurality of horizontal rods 4 arranged side by side in the direction of transport of the plate 3 (arrow a), and a belt for transporting the plate 3 between the horizontal rods 4 of the table 5. A conveyor 6 and a plurality of grip arms 7 are provided. The grip arm 7 is installed below the horizontal rod 4 and is attached via a arm base 10 to a traveling body 9 that is supported so as to be able to travel in the plate material transport direction . As shown in FIG.
Consists of a rectangular pipe that is elongated in the direction perpendicular to the feeding direction
And there is an interval in the longitudinal direction of the arm base 10.
The base end of each grip arm 7 is fixed.
A fixed screw shaft 11 laid along the horizontal rod 4 penetrates a lower portion of the traveling body 9, and a nut member 12 rotatably supported by the traveling body 9 is screwed to the screw shaft 11. At the same time, one end side of the nut member 12 is connected to a traveling motor 13 installed on the traveling body 9 via an endless belt 14, and the nut member 12 is rotated by the traveling motor 13 so that the nut member 12 moves along the horizontal rod 4. The traveling body 9 can be driven in a reciprocating manner.

The lower part of the arm base 10 is pivotally supported at the front end of the traveling body 9 by a support shaft 16, and the tip of a lever 17 projecting downward from the lower part of the arm base 10 and the traveling body 9
A swing cylinder 18 is provided between the rear ends of the grip arm 7. The swing cylinder 18 enables the tip of the grip arm 7 attached to the arm base 10 to swing vertically about the support shaft 16. I have. The grip arm 7 has a finger 21 at its distal end which is turned around a pin 20 by a grip cylinder 19 so that the plate 3 can be gripped between the finger 21 and the lower jaw 22 at the distal end of the grip arm 7. It has become.

Next, the operation will be described. The plate material 3 to be supplied to the plate material processing machine 2 is carried into the predetermined position on the table 5 from the direction of the arrow a by the belt conveyor 6, and is stopped at the predetermined position. After that, a plurality of grip arms 7
The rear end is gripped, and the nut member 12 is rotated by the traveling motor 13 and is conveyed along the horizontal rod 4 toward the plate material processing machine 2. Since the free bearing 23 is installed on the upper surface of the horizontal rod 4, the plate 3 reaches the plate processing machine 2 while being smoothly moved on the horizontal rod 4, and the grip arm 7 stops at the positioning input value input in advance. Thereby, the plate material 3 is carried into the plate material processing machine 2 in a state where the cutting position is positioned. When the loading of the plate material 3 is completed, the grip arm 7
After the plate material is released, the tip side is rotated downward about the support shaft 16 by the swing cylinder 18. This allows gripper
The upper surface of the drum 7 is retracted below the plate material transfer line.
While being retracted to the original position in the state, the next plate 3
It is carried in by the belt conveyor 6 and stopped at a predetermined position.
You. When the grip arm 7 returns to the original position,
It repeats the operation of gripping the plate material 3 and moving forward,
The movement of the grip arm 7 is controlled by NC,
A predetermined portion of the plate 3 can be continuously cut by the plate processing machine 2 in accordance with the positioning input value input in advance. In the above embodiment, the plate processing machine 2 is a shearing machine. However, the present invention can be applied to a bending machine such as a press brake and other plate processing machines.

[0008]

[Effects of the Invention] As described in detail above, the invention is designed to carry plate materials.
On a running body that can reciprocate in the feed direction, it is orthogonal to the plate material transfer direction.
A long arm base in the direction of
While providing a plurality of grip means at intervals in the direction,
A spindle that supports the arm stand between the arm stand and the traveling body
Oscillating cylinder that swings the arm base up and down around
Arm arm up and down by the swing cylinder.
By swinging in the direction
Number of grip means at the same time in the grip position and the retracted position
Because it can rotate, each grip means
There is no need to provide an oscillating cylinder.
Equipment and piping can be simplified, reducing equipment costs.
I can plan. There are also multiple grip means on the arm base
And use these gripping means to simultaneously
Gripper, so even large plates can be
The position to the machining position
Accurate machining is possible because decisions can be made accurately
When gripping with one central grip means
The grip force of each grip can be reduced compared to
Therefore, there is little possibility that the plate material is damaged by the grip means. Sa
In addition, they are provided at intervals in the direction orthogonal to the plate material transport direction.
To grip the plate with multiple grip means,
It is not always necessary to provide the locking means in the center of the sheet transport path.
This increases the degree of freedom in installing the grip means.
At the same time, even small plate materials can be gripped at
To the left side of the plate processing machine, for example.
The plate material is carried into the set position, and the plate material can be cut with reference to the left side.
Work, which increases the degree of freedom in work content.
There are other effects as well.

[Brief description of the drawings]

FIG. 1 is an overall plan view of a sheet supply apparatus according to an embodiment of the present invention.

FIG. 2 is a side view of the same.

FIG. 3 is an enlarged plan view near a grip arm.

FIG. 4 is a side view of the same.

FIG. 5 is a view as seen from the direction of arrow A in FIG. 4;

[Explanation of symbols]

2 ... plate processing machine, 3 ... plate, 4 ... horizontal rod, 5 ... table,
7: grip means, a: plate material transport direction.

Claims (1)

(57) [Scope of request for utility model registration] 1. A table comprising a plurality of horizontal rods installed in front of a sheet material processing machine and arranged in parallel in a sheet material conveying direction.
A traveling body that is reciprocally movable in the plate material transport direction, and is rotatably supported by the traveling body, and is orthogonal to the plate material transport direction.
A plurality of gripping means which are installed at intervals in the longitudinal direction of the arm table, and which grip the plate material carried on the horizontal rod and carry the same to the plate material processing machine; After the plate is supplied to the plate processing machine, the grip means is retracted downward from the plate transfer line by rotating the arm around a support shaft which supports the arm and is horizontally suspended between the arm and the traveling body. Evacuation means for moving the plate material onto the horizontal rod while the grip means, which is provided between the horizontal rods and retracted below the plate material transport line, is returned to its original position. Plate material transport device.