Laser beam machining equipment

Details Laser beam machining equipment Laser beam machining equipment

1998-09-10

2001-02-20

Grant, William (Department: 2786)

Data processing: generic control systems or specific application

Specific application, apparatus or process

Product assembly or manufacturing

C700S226000

Reexamination Certificate

active

06192288

ABSTRACT:

BACKGROUND OF THE INVENTION
This invention relates to a laser beam machining equipment automatically performing classification work of machined raw material workpieces without teaching.
Conventionally, in this kind of laser beam machining equipment, the classification work of cutting parts after machining has been almost manually performed, then it has not been automatized.
In order to automatize such work, such method that classification robot is programmed to classify each cutting parts by teaching by an worker, thereby the classification robot is operated to carry the cutting parts to a predetermined classfication position may be adopted.
However, this method is effective when many numbers of workpieces are machined, but it takes many time for teaching work when a few numbers of workpieces are machined, so it is not practical.
Taking the above into consideration, the object of this invention is to automatize classification work of cutting parts of machined raw material workpieces, and especially, to provide a laser beam machining equipment having a classifiction means capable of automatically performing classification work after machining without teaching which takes long time.
SUMMARY OF THE INVENTION of the present invention, the 1st claim comprises a laser beam machining equipment comprising:
a machining portion and a classification portion;
said machining portion having a raw material stocker, a laser beam machine, a classification head and a workpiece carrying means, said workpiece carring means carrying a raw material workpiece by communicating among said raw material stocker, said laser beam machine and said classification head;
said classification portion having a plurality of classification storing means for storing cutting parts cut classificating every respective cutting parts, and a workpiece classification carrying means capable of respectively classifying and carrying said respective cutting parts of machined raw material workpiece on said classification head carried by said workpiece carrying means in said classification storing means; said laser beam machining equipment further comprising:
a program memory for storing a machining program which instructs to carry a raw material workpiece with said workpiece carrying means among said raw material stocker, said laser beam machine and said classification head and to machine with said laser beam, and a classification program which instructs to carry and classify machined raw material workpiece carried on said classification head to each classification storing means between said classification head and said classification storing means with said workpiece classification carrying means, corresponding to each raw material workpiece;
a machining instruction means instructing said laser beam machining equipment to machine on a predetermined raw material workpiece;
a machining control means for reading machining program corresponding to said raw material workpiece on which machining is instructed, out of said program memory on the basis of machining instruction from said machining instruction means, and for instructing and controlling machining work on the basis of said read machining program; and
a classification control means for reading said classification program corresponding to said raw material workpiece on which machining is instructed, out of said program memory, and for instructing and controlling classification work on the basis of said read classification program.
With this invention, the classification work for classifying cutting parts from machined raw material workpieces can be automatically performed with only instructing to machine raw material workpiece to be machined through machining instruction means without teaching which takes long time, then, a routine work from carrying raw material to classifying products can be smoothly performed without hands. Especially, when the number of raw material workpieces to be machined are not many, set up time is widely shortened.
Besides, the 2nd claim comprises the laser beam machining equipment as set forth in claim
1
, wherein a classification storing means position information memory for storing position information of each classification storing means in the classification portion, and a classification information memory for storing classification information showing in which classification storing means the cutting parts cut out of a raw material workpiece should be classified are provided, and a classification program producing portion for producing said classification program on the basis of said position information of said classification storing means, said classification information and position information showing the position of each cutting parts on said raw material workpiece is provided.
With this invention, the classification program producing portion can automatically produce the classification program on the basis of various kinds of informations above-mentioned.
Besides, the 3rd claim comprises the laser beam machining equipment as set forth in claim
2
, wherein the position information showing a position of said respective cutting parts is a cutting machining program having movement instructions for machining respective cutting parts out of said raw material workpiece in said machining program.
With this invention, the classification program can be immediately produced taking use of the informations such as movement instructions in the machining program, and the input of new informations for producing classification program can be extremely reduced, then it is very convenient.
Besides, the 4th claim comprises the laser beam machining equipment as set forth in claim
2
, wherein said classification head has a first standard position, said classification storing means position information memory stores coordinate position information with respect to said first standard position of said classification storing means.
With this invention, the position relation between each storing means and classification head is made clear, and the production of classification program can be easily performed.
Besides, the 5th claim comprises the laser beam machining equipment as set forth in claim
2
, wherein said classification head has a first standard position, and said classification program producing portion produces said classification program on the basis of a position relation between a standard position which is the basis of a position of respective cutting parts of said raw material workpiece and said first standard position.
With this invention, the position relation between the position of each cutting parts of raw material workpiece and classification head is made clear, then the production of classification program can be easily performed.
Besides, the 6th claim comprises the laser beam machining equipment as set forth in claim
2
, wherein a classification program producing instruction means operable by an operator, for instructing said classification program producing portion to produce classification program is provided.
With this invention, the classification program can be produced with only operating the classification program producing instruction means by an operator.
Besides, the 7th claim comprises the laser beam machining equipment as set forth in claim
1
, wherein said classification head has a first standard position, and a workpiece carrying control means for carrying and positioning machined raw material workpiece to a predetermined position with respect to said first standard position of said classification head with said workpiece carrying means is provided.
With this invention, a workpiece can be carried and positioned on a predetermined position on the classification head, and the position of each cutting parts of machined raw material workpiece on the classification head can be easily known.
Besides, the 8th claim comprises the laser beam machining equipment as set forth in claim
1
, wherein said machining program and said classification program are stored being independent from the other.
With this invention, the producti

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