JPH05245716A - Method and apparatus for detecting workpiece end and indexing working position in working machine - Google Patents

Abstract

PURPOSE:To dispense with a workpiece end sensor and thereby simplify the structure of a workpiece end detection apparatus, by providing a computation controller for recognizing the working position of a workpiece and the amount of movement thereof to a working position, and indexing the working position with a workpiece end being used as a working reference point, thereby controlling the working operation. CONSTITUTION:A computation controller 7, when a power source is closed, causes a length-measuring device 3 to be moved, and detects the position thereof by an origin presetting sensor 5 to input this presetting value as a result of an ordinary origin indexing operation, thereby recognizing a distance between the length measuring device 3 and a working reference line 4. Further, the computation controller 7 causes the length-measuring device to be moved, thereby causing a terminal end portion of a workpiece 11 to be detected by a workpiece sensor 13 to input the X ordinate at that time. Thereafter, indexing is performed of the working position in the computation controller 7, by which a first working position, a second working position, and an nth working position are positioned with respect to working positions in a working machine 9, respectively, thereby making control of the working operation.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a processing machine, for example, a cutting processing machine, which detects a processing target end when processing a processing target and detects each processing position and detects a processing target end of the processing machine. , A machining position indexing method and apparatus.

[0002]

2. Description of the Related Art Conventionally, a processing object end detecting and processing position indexing device of a processing machine has been constituted by a length measuring device, a processing object tip detecting sensor, an origin presetting sensor and its control device. ..

The length-measuring device is a positioning device for the object to be machined, which is mounted on the carry-in side of the machine, and has an object-object end detection sensor for detecting an end part of the object to be machined.

The workpiece tip detection sensor detects the tip of the workpiece that moves in the material feeding direction by the drive system of the processing machine. The origin presetting sensor is a sensor for recognizing the position of the length measuring device with respect to the machining reference point.

Calculation control device (NC device) of the processing machine
Input the detection values of the processing object end detection sensor, the processing object tip detection sensor, and the origin presetting sensor, and use the detected tip as the work coordinate system processing reference point, and sequentially set the first processing position. The second processing position to the nth processing position are positioned at the processing position of the processing machine 1 to control the processing.

[0006]

By the way, since the processing object end detecting and processing position indexing device is constituted by a length measuring device and a processing object tip detecting sensor separately, the structure thereof is different. There was a problem that it became complicated and costly.

In order to solve the above problems, the object of the present invention is to eliminate the need for the conventional sensor for detecting the tip of a workpiece,
An object of the present invention is to provide a method and an apparatus for detecting an end of an object to be machined by a machine and simplifying its configuration, and for indexing a machining position.

[0008]

In order to achieve the above object, the present invention relates to a processing machine for processing an object to be carried in, and a processing position of the object to be processed and a processing position thereof by a length measuring device. Of the machining amount, and after recognizing the distance from the origin position, the length measuring device indexes each machining position with the end side of the machining object as a machining reference point, and performs machining control. This is a method of detecting the end of the object to be machined and indexing the machining position.

Further, according to the present invention, in a processing machine for processing an object to be carried in, a distance measuring apparatus detects a processing position of the processing object and a moving amount to the processing position to detect a distance from an origin position. After the recognition, the length measuring device indexes each processing position with the tip side of the processing target as a processing reference point in consideration of the material length of the processing target, and controls the processing. This is a method of detecting the end of the object to be machined and indexing the machining position.

According to the present invention, in a processing machine for processing an object to be carried in, a length measuring device for detecting a processing position of the processing object and a movement amount to the processing position, and this length measuring device. A sensor for presetting the origin that detects the origin position of the machining target, recognizes the machining position of the machining target and the amount of movement to the machining position, indexes each machining position with the end side of the machining target as the machining reference point, and performs machining control. And a processing position indexing device for a processing target of a processing machine.

Further, according to the present invention, in a processing machine for processing a workpiece to be carried in, a length measuring device for detecting a processing position of the processing target and a movement amount to this processing position, and this length measuring device. A sensor for presetting the origin that detects the origin position of the workpiece, recognizes the processing position of the processing target and the amount of movement to the processing position, and processes the tip side of the processing target considering the material length of the processing target. A processing object index detection and processing position indexing device for a processing machine, comprising a calculation control device for indexing each processing position as a reference point and controlling the processing.

[0012]

By employing the method and apparatus for detecting the end of the object to be processed and indexing the processing position of the processing machine of the present invention, the length measuring device detects the processing position of the processing object and the amount of movement to this processing position. Then, after recognizing the distance from the origin position, the length measuring device indexes each processing position with the end side or the tip side of the processing object as a processing reference point, and controls the processing, thereby the conventional processing object tip. No need for a detection sensor,
The structure is simplified.

[0013]

Embodiments of the present invention will now be described in detail with reference to the drawings.

FIG. 1 is a diagram showing the principle configuration of a processing object edge detecting and processing position indexing device of a processing machine according to an embodiment of the present invention. In the figure, processing object edge detection and processing position indexing device 1
Was composed of a length measuring device 3, an origin presetting sensor 5 and a calculation control device 7.

The length measuring device 3 is a processing object 11 of the processing machine 9.
When positioning the machine to its machining position, the feed direction (X
It is a self-propelled length measuring device that detects the amount of movement in the axial direction, and has a contact type or non-contact type object detection sensor 13 at its tip. The length measuring device 3 may be separated from the main positioning mechanism for positioning the workpiece 11.

The origin presetting sensor 5 is a measuring device 3
Is a sensor for detecting and recognizing at which position it exists with respect to the machining reference line X. After the power of the normal play processing machine 9 is turned on, the origin finding process (origin return) is performed only once.
This is only done when. The calculation control device 7 is mounted on the processing machine 9 side, and when the power is turned on, by moving the length measuring device 3, the position of the length measuring device 3 is detected by the origin presetting sensor 5, and a normal origin finding operation is performed. , The preset value is input and the distance between the length measuring device 3 and the machining reference line X is recognized.

Further, the calculation control device 7 moves the length measuring device 3 so that the end portion 11b of the processing object 11 is detected by the processing object detection sensor 13 and the X coordinate (XB at that time) is detected.
) Is entered.

Therefore, the calculation control device 7 determines the machining position, and the first machining position, the second machining position to the n-th machining position.
The processing position is positioned at the processing position of the processing machine 9 to control the processing.

The machining position indexing method of the calculation control device 7 uses the end length 11a of the workpiece 11 as the machining reference point without inputting the material length L of the workpiece 11, and determines the first position from the initial set state. Positioning amount in the X-axis direction up to the 1st machining position, the 2nd machining position, ...
X2, ... Xn is calculated by the following equation (1).

X1 = XB- (l1 + l2 + ... + ln-1 + ls) X2 = XB- (l2 + ... + ln-1 + ls) :::: Xn = XB- (ls) ... (1) Here, lA is an extra dimension, and ls is an optional discard margin.

Next, FIG. 2 is a principle block diagram of a processing object end detecting and processing position indexing device of a processing machine according to another embodiment of the present invention. In the figure, the machining position indexing method of the calculation control device 7 is the first machining from the initial set state by inputting the material length L of the machining target 11 and using the tip 11b of the machining target 11 as the machining reference point. Position, 2nd machining position, ... X-axis positioning amount up to nth machining position
1, X2, ... Xn are calculated by the following equation (2).

X1 = XB- (l1 + l2 + ... + ln-1 + lAK) X2 = XB- (l2 + ... + ln-1 + lAK) ::::: Xn = XB- (lAK) ... (2) Where, Calculating residual dimension lAK = L- (l1 + l2 + ...
+ Ln-1 + ls) exists.

Since the machining standards in FIGS. 1 and 2 are opposite, the surplus dimension lA and the discard allowance lS in the equation (1) are used.
Then, the remainder dimension lAK and the discarding margin lS in the equation (2) are opposite.

As described above, the machining reference point X and the length measuring device 3
After the distance XB from the calculation control device 7 is recognized by the calculation control device 7, the length measuring device 3 detects the end of the object to be processed, so that it becomes possible to determine each processing position from that point, and the length measuring device 3 can detect the processing target. It becomes unnecessary to provide an independent object edge detecting device for providing an object edge detecting function.

Further, a machine having a sizing stopper provided on the carry-out side of the processing machine 9 is commercially available. However, in the present invention, the length measuring device 3 is provided on the carry-in side, and when the machining position is indexed, it is arbitrarily discarded. The difference is that it is calculated so that the margin is on the distal side and the indeterminate surplus dimension is on the distal side.

The present invention is not limited to the above embodiments, but can be implemented in other modes by making appropriate design changes.

[0027]

As is clear from the above description, the method and apparatus for detecting the end of the object to be machined and for indexing the machining position of the machine according to the present invention are the same as the machining position of the machining object by the length measuring device. After detecting the amount of movement to the processing position and recognizing the distance from the origin position, the length measuring device indexes each processing position with the end side or the tip side of the processing target as the processing reference point, and controls the processing. As a result, the problems of the conventional technique are effectively solved, the conventional workpiece tip detection sensor is not required, and the configuration is simplified.

[Brief description of drawings]

FIG. 1 is a principle configuration diagram of a processing object edge detection and processing position indexing device of a processing machine according to an embodiment of the present invention.

FIG. 2 is a principle configuration diagram of a processing object edge detection and processing position indexing device of a processing machine according to another embodiment of the present invention.

[Explanation of symbols]

 1 Processing object edge detection and processing position indexing device 3 Length measuring device 5 Origin preset sensor 7 Calculation control device 9 Processing machine 11 Processing object

Claims (4)

[Claims] 1. A processing machine for processing an object to be processed carried in, after detecting a processing position of the processing object and a movement amount to this processing position by a length measuring device and recognizing a distance from an origin position. A method for detecting an end of an object to be machined by a processing machine and indexing a machining position, wherein the length measuring device indexes each machining position with the end side of the object to be machined as a machining reference point. 2. A processing machine for processing an object to be carried in after detecting a processing position of the processing object and a movement amount to the processing position by a length measuring device and recognizing a distance from an origin position. The processing object of the processing machine, wherein the length measuring device indexes each processing position with the tip side of the processing object as a processing reference point in consideration of the material length of the processing object, and controls the processing. Object edge detection and machining position indexing method. 3. A length measuring device for detecting a processing position of the processing target and a movement amount to the processing position in a processing machine for processing the loaded processing target, and an origin position of the length measuring device. An origin presetting sensor for detecting, recognizing the machining position of the machining object and the movement amount to the machining position, and indexing each machining position with the end side of the machining object as a machining reference point,
A machining control device for controlling machining, which is a device for detecting an edge of a machining target of a machining machine and a machining position indexing device. 4. In a processing machine for processing an object to be carried in, a length measuring device for detecting a processing position of the processing target and a movement amount to the processing position and an origin position of the length measuring device are set. A sensor for origin presetting for detecting, a machining position of the machining object and a movement amount to the machining position are recognized, and the tip side of the machining object is set as a machining reference point in consideration of the material length of the machining object. A processing object indexing and processing position indexing device for a processing machine, comprising a calculation control device for indexing a processing position and controlling the processing.