JPH0757479B2 - Cutting machine - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a cutting machine suitable for cutting out parts (components) such as leather shoes from a leather material as a raw material.

(Background of the Invention) Since a leather member, which is a material for leather shoes, has scratches and dirt, it is necessary to remove the material so as to avoid these scratches and dirt. Conventionally, a mold for parts such as leather shoes was prepared, and this mold was visually pressed and cut out so as to avoid scratches and stains on the leather material.

On the other hand, in recent years, there is a cutting machine using the NC control method (numerical control method). This is to cut a part by moving a cutting head made of a water jet type cutter on a predetermined cutting processing line based on processing data inputted in advance. Since such a cutting machine inputs the cutting lines as coordinates, it is difficult to know exactly which part on the workpiece such as the skin material that is the workpiece to be cut out and the correspondence of the position. is there. Therefore, it is difficult to cut parts while avoiding scratches and dirt on the work such as leather material,
There are problems that the parts include these scratches and stains, and the waste of material increases.

(Object of the invention) The present invention has been made in view of such circumstances, and when a work has scratches, dirt, etc., it is possible to accurately avoid these and set the position of the decision processing line of the part, An object of the present invention is to provide a cutting machine capable of effectively utilizing a work without containing scratches and dirt.

(Structure of the Invention) According to the present invention, this object is based on a table on which a cutting work is placed, a cutting head that relatively moves to face the table and cuts the work, and based on previously input processing data. In a cutting machine including an NC controller that moves a head to cut the work, a television camera that detects an image of the work, a display device that displays an image of the work by the output of the television camera, and the processing data. And a control device for displaying the cutting processing line on the display device by superimposing the cutting processing line on the image of the work.

(Embodiment) FIG. 1 is an overall perspective view of an embodiment of the present invention, and FIG. 2 is a block diagram thereof.

In FIG. 1, reference numeral 10 is an XY motion type processing table, which is movable on a horizontal surface on the base 12 in the XY directions. A skin material as a cutting work (workpiece) 14 is placed and fixed on the table 10. 16
Is a cutting head, and a water jet cutter or the like which jets ultra-high pressure water from a nozzle to cut the work 14 is used. Reference numeral 18 denotes an NC controller, in which numerical values of machining data such as the cutting machining line a of each part are inputted in advance, and the table 10 is moved relative to the head 16 along the cutting machining line a. The NC controller 18 can also move the coordinates of the table 10 with respect to the cutting processing line a in the XY directions by the control key 20.

A television camera 22 detects an image of the work 14 from above the table 10. The origin of this TV camera 22 is pre-aligned with the origin of the table 10,
The table 22 and the table 10 move together in the XY directions. The image signal of the TV camera 22 is input to a control device 24 including a computer together with the processing data input in advance to the NC controller 18. The control device 24 forms an image of the work 14 based on the image signal input from the TV camera 22. The cutting processing line a is displayed on the display device 26 such as a CRT display, and is also superimposed (superimposed) on the image of the work 14. The TV camera 22 and the display device 26 are
It is necessary to have sufficient resolution so that 14 scratches and stains can be visually confirmed.

This device is used as follows. First TV camera 22
The image of the work 14 detected by the display device 26 is displayed on the display device 26, and the operator can use the image to detect scratches or stains on the work 14 b (second
(See figure). On the other hand, the cutting processing line a inputted from the NC controller 18 is displayed on the display device 26 in an overlapping manner. The operator moves the table 10 with the control key 20 while looking at the display device 26 so that the scratches and stains b of the material do not enter the cutting processing line a indicating the shape of the part.
The cutting process is performed by the NC controller 18 with the scratches and stains b outside the range of the cutting line a. NC controller 18
Moves the work 14 together with the table 10 so that the processing portion of the cutting head 16 is located on the cutting processing line a based on the corrected new coordinate data of the table 10. Therefore, the parts obtained by cutting do not include scratches and stains, and the work 14 is less wasteful and efficient material removal is possible.

In this embodiment, the skin material is the work 14,
The present invention is not limited to this, and can be used, for example, in the case of cutting out a part of clothing from a patterned cloth while visually checking the connection of the pattern at the connecting portion between the parts.

(Effects of the Invention) As described above, the present invention displays the image of the work and the cutting processing line input to the NC controller in an overlapping manner on the display device, so that scratches or stains on the work do not enter the cutting processing line. Since the work is cut by moving the work relatively like this, it is possible to reliably remove scratches, dirt, etc. from the parts,
In addition, efficient material removal with little waste from the work becomes possible.

[Brief description of drawings]

FIG. 1 is an overall perspective view of an embodiment of the present invention, and FIG. 2 is a block diagram thereof. 10 …… table, 14 …… workpiece, 16 …… cutting head, 18 …… NC controller, 22 …… TV camera, 24 …… control unit, 26 …… display unit.

Claims (1)

[Claims] 1. A table on which a cutting work is placed, a cutting head that moves relatively to face the table and cuts the work, and the head is moved based on previously input processing data to cut the work. In a cutting machine comprising an NC controller to do, a television camera for detecting the image of the work, a display device for displaying the image of the work by the output of the television camera,
A cutting processing machine, comprising: a control device for displaying a cutting processing line on a display device by superimposing a cutting processing line on the basis of the processing data.