JP2894927B2 - Automatic processing of long materials - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for automatically processing a long material, for example, a process for automatically and continuously producing a plurality of products having a predetermined length from a long shape steel material or the like. It is about the method.

[0002]

2. Description of the Related Art A plurality of structural modules obtained by subjecting a steel member of this type, which is used for a steel structure such as a building or a bridge, to an arbitrary predetermined length and an arbitrary predetermined processing from a long shaped steel material. In the case of producing as a product, conventionally, 1) First, a steel material is cut manually to a predetermined length for each product by referring to individual production drawings, and then, similarly, for example, drilling, notching, etc. Predetermined processing was performed. 2) Alternatively, a predetermined length of material, which is obtained by automating the cutting of the steel material, is individually processed by a predetermined process, or 3) If the required quantity is relatively large, products of the same pattern are respectively dedicated. It was continuously produced on a processing line.

[0003]

However, in the above-mentioned conventional production methods of this type of product, for example, in the methods 1) and 2) described above, since manual operations are mainly performed, human error is caused. It is unavoidable that the occurrence of cracks occurs, a long working time is required, and the variation in finished quality of the product is relatively large.

[0004] In the processing method using the dedicated processing line in the item 3), a large setup change or a large number of dedicated processing lines must be provided every time a product is changed in order to handle a wide variety of products. However, there is a problem that the equipment cost is increased.

The present invention has been made in view of the above-mentioned problems of the conventional processing / production method, and for example, as a plurality of modules having the same structure used for similar structures such as a steel frame structure, has a long shape. An object of the present invention is to provide an automatic processing method capable of automatically and continuously producing a plurality of structural module products having a predetermined length and a predetermined processing from a shaped steel material with higher efficiency and higher precision than a long material.

[0006] The above-mentioned steel frame, section steel and the like are not necessarily limited to these, and may be replaced with a metal material other than steel, a synthetic resin material or the like.

[0007]

Therefore, in the present invention, a processing line for continuously processing and producing a predetermined product from a long material is provided with a loading stage for supplying the long material. A length measuring stage for determining the feeding amount of the workpiece, a processing stage of a group of processing machines for the workpiece, and a cutting and unloading stage of the processed product. It is provided with arithmetic control means for calculating / determining the processing machine to be performed and transmitting necessary operation instruction signals to the processing machine group, and the characteristics such as dimensions and materials of the product and each processing condition are coded in advance. The deduction dimensions of the material start / end in the processing line, the performance characteristics of the respective processing machines, and the installation state of the respective processing machines are quantified in advance, and the arithmetic and control unit controls the long material. Each of the above And assign the cutting / machining position from machining origin of the machine, rearranging the data of the feed amount in ascending as processing order, the amount fed, the machine / cutting machine number information to operate sends out to the machine control unit, This processing machine control device, the feeding amount to the length measuring stage,
It is another object of the present invention to achieve the above object by providing a processing start signal to the processing machine.

[0008]

According to the method of the present invention as described above, a plurality of structural module products which have been arbitrarily processed from a long material can be obtained.
High efficiency, high precision and automatic continuous production on one processing line. Also, by registering the processing code etc. in advance, it is possible to easily reuse and produce if necessary. it can.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on embodiments.
FIG. 1 is a block diagram of a processing line configuration of an embodiment of an automatic processing method for a long material according to the present invention, and FIG. 2 is a schematic diagram of a processing line arrangement in an example of an H-shaped steel product.

(Configuration) FIG. 1 shows a processing line configuration of the present embodiment.
As shown in the figure, a loading stage 1 for gripping and supplying a long material, a length measuring machine equipped with a work feeding device which moves / stops in response to an external signal and has a precision and a resolution required for processing, etc. Measuring stage, starting from the processing origin C, a processing stage 3 such as punching or punching by a processing machine group such as a punching machine or a drilling machine, and a cutting stage 4 of the product by a cutting machine or the like linked to these processing operations. , And the product take-out stage 5, and the workpiece advances in the direction of the arrow in the drawing according to the above order.

In FIG. 2, reference numeral 6 denotes, for example, H
A chucker (chuck) 7 for gripping the shaped steel material is a length measuring machine, which advances the chucker 6 while measuring the amount of movement of the material. A indicates a home position, and B indicates a chuck point. Reference numerals 8 and 9 denote a series of each punching machine and each drilling machine group starting from the processing origin C, 10 denotes a cutting machine having a predetermined length, and D denotes a cutting limit. These punching machines and drilling machines are arranged in accordance with the designated positions and directions in the drawing, respectively. The chucking work does not need to be rotated, and bunching / drilling is performed at each position.

The features of this embodiment are as follows: 1) the processing line is configured as described above; 2) various characteristics of the product (work) to be processed (eg, product length, nominal size, material standard size, material, etc.). And each processing condition (for example, drill / punch hole diameter, hole position, polishing state, polishing position, cutting length, etc.) are all coded in advance by a “processing code” in advance. 3) Characteristics of the processing line (for example, material The initial truncation length of
The end cutting limit length D and the like and the work input range _Lset ) are quantified in advance by "line management information".

4) In addition, the characteristics of each of the processing machines 8 and 9 (for example, the hole diameter that can be processed, the processing speed, etc.) and the installation state of each of the processing machines (for example, the standby position, the processing center point position, etc., L _{P1 to} L _P5 , L _d2
To L _d17 ) are preliminarily _{digitized by} “processing machine management information”. 5) A starting point of the processing center point position distance of each of the processing machines, that is, a so-called “processing origin” C is set.

[0014] 6) In addition, the "processed data", assigned to the cutting position measured from the machining origin C in fixed size material, put also assign the machining position and the machine, reordering Rukoto further infeed amount of data in ascending order Small amount of feed
And the again order viz working order, "feed amount", send out information "number of machine / cutting machine that operates" the machine controller, 7) The machine control device, wherein the length measuring machine 7 "infeed Output the "processing start signal" to the processing machine,
It is configured as follows.

FIG. 3 shows a block diagram of the processing system configuration as described above; 11 calculates / determines a feeding amount, a processing machine to be operated, etc. based on a production processing plan 12, and performs operations required for the processing machine group. Control host for issuing instructions, 13
Is a processing control device controlled by each processing data 14. This processing machine control device determines the stop position 15 of the length measuring machine 7 and also receives the respective processing machine groups 8 and 9 and the cutting machine 1 based on the respective operation signals 16 and cutting signals 17.
0 and the like are operationally controlled.

FIG. 4 shows an operation example of one processing / cutting of an H-shaped steel product performed by the above-described processing system, and the processing codes and others will be described below.

(Processing Code System) FIG. 5 shows, as an example of the "processing code" system for coding a processing method from a product drawing, (a) a processing code of an H-section steel line and (b)
FIG. 3 shows an explanatory diagram of a processing machine number setting method. The processing code in the example shown in FIG. 3A is composed of 16 characters / numbers consisting of as shown in FIG. 3A, and the symbols * and-are delimiter marks for facilitating identification when a person checks.

In the example of an H-section steel, a flange is represented by F and a web is represented by W.
o. And machine position No. Is the number of 1-digit machining operations 1 to 9 is the machine drift (displacement in the direction perpendicular to the length direction) position (four digits, unit 0.1 mm)
Is a processing start position (four digits, unit 1 mm) and a processing pitch (four digits, unit 1 mm) or more is appropriately set according to the cross-sectional shape of each long material.

(Sizing Material Input Calculation) In order to determine the number of feeding of the standard material, as shown in FIG. 6, an example of the standard material is extracted from the production processing plan to extract one having the same nominal size. , cut length L _i, reads the cutting number N _i, Hatsutan捨切length L _sho
, The cutting limit L _end is subtracted, and the cutting margin L _kri and the cutting adjustment value L _cho are added and determined.

(Criteria for Setting Drift Direction of Processing Machine) Regarding the setting and processing calculation processing of each processing machine in the flowing direction of the fixed-size material, the case of the H-section steel in FIGS. Having described, the reference for setting the drift direction of the processing machine will now be described. FIG.
(D) shows the machining reference points _Co , L and flange /
The fine movement direction and the escape direction in each processing direction of the web are shown. (A) is a processing reference point, (b) is a flange puncher, (c) is a flange drill, and (d) is a web puncher. 3 is an explanatory diagram for each drift direction.

The adjustment at the time of installing these processing machines follows the following operations: 1) Perform trial adjustment so that the processing center of each processing machine comes to each reference point. 2) Set the reference point position at which adjustment is completed. 3) The standby origin position of each processing machine is managed by the moving distance from the working origin to each relief direction in the figure.

4) The initial standby position of the processing section of each processing machine is defined as the working origin of the processing machine, and the vertical and horizontal movement data of each processing machine is indicated by the amount of movement from the working origin. The information on the installation position in the steel material flow direction of the processing machine is registered / managed on the control host 11 side as distance data between each processing center at the processing origin.

When the long material is, for example, an I-shaped steel, an angle steel or a grooved steel, it is needless to say that appropriate measures are taken in accordance with the above.

(Other Embodiments) In the above embodiment, for example, a case of a steel frame structure such as a steel-framed building, particularly an example mainly of an H-section steel, has been described, but the present invention is not limited to this. But, for example, I-section steel, mountain (L) section steel,
It is a matter of course that a long material such as an extruded or drawn shaped steel such as a grooved (C) shaped steel or other deformed steel or a bent steel shaped steel can be applied, and the material is also limited to only steel. Alternatively, another metal material such as aluminum or a synthetic resin material may be used.

[0025]

As described above, according to the present invention,
It is possible to efficiently and continuously produce a plurality of products with a given length and a given process from a long material efficiently, and once the process code is registered, it can be reused. As a result, reproduction can be performed as many times as necessary on one processing line.

[Brief description of the drawings]

FIG. 1 is a block diagram of a processing line configuration according to an embodiment.

FIG. 2 Schematic diagram of processing line arrangement of one product example

FIG. 3 is a block diagram of a processing system configuration.

FIG. 4 is an example of a processing sequence diagram of an H-shaped steel product.

FIG. 5 shows an example of a processed code body shape

FIG. 6 is an explanatory diagram of an example of a standard size measurement.

[Fig. 7] Fig. 7 H-section processing reference point and each direction of fine movement / escape in each processing direction of flange / web.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Input stage 2 Length measuring stage 3 Processing stage 4 Cutting stage 5 Extraction stage 7 Length measuring machine 8 Punching machine (Processing machine group) 9 Drilling machine (Processing machine group) 10 Cutting machine 11 Control host (Operation control means) 12 Production processing Plan 13 Processing machine controller C Processing origin _Co , L Reference point

Claims (4)

(57) [Claims] 1. A processing line for continuously processing and producing a predetermined product from a long material, a loading stage for supplying the long material, and a feed amount of the workpiece. , A processing stage by a processing machine for the workpiece, and a cutting and unloading stage of the processed product. The feed amount, the processing machine to be operated, etc. are calculated / determined to perform the processing. In addition to the arithmetic and control means for sending necessary operation instruction signals to the machine group, characteristics such as dimensions, materials and the like of the product and respective processing conditions are coded in advance, and the starting / ending of the material at the processing line is determined. The deduction dimensions, the performance characteristics of each of the processing machines, and the installation state of each of the processing machines are quantified in advance, and the arithmetic and control unit controls the cutting / processing position of the long material from the processing origin of each of the processing machines. Allocate , Reorders <br/> data of the feed amount in ascending as processing order, feed amount, the machine / cutting machine number information to operate sends out to the machine control unit, the machine control device, the measuring An automatic processing method for a long material, wherein the feeding amount is sent to a long stage and a processing start signal is sent to the processing machine. 2. A classification code composed of English characters that integrates the processing conditions, the numbers of the respective processing machines, the installation position, and the like, and a processing machine number, a number of processing operations, each of which is a numeral.
2. The method according to claim 1, wherein a plurality of digits are used to represent a drift position, a processing start position, and a processing pitch.
Automatic processing method of the long material described. 3. A method for extracting the number of long materials to be fed into the feeding stage at the same length, which is of the same nominal size from a production processing plan, reading out the cutting length and the number of cuts,
2. The method according to claim 1, wherein the required number of cuts is calculated by subtracting a cutting limit and taking into account a cutting margin and a cutting adjustment value. 4. The installation state of each of the processing machines in the drift direction is adjusted so that the processing center of each of the processing machines coincides with a reference point, and the reference point position is used as the working origin of the processing machine. The standby origin position is managed by movement in the escape direction from the working origin, the initial machining standby position of each processing machine is the working origin, and the left and right movement data of each processing machine is calculated from the working origin. And the position information of the long material feeding direction of each processing machine is registered / managed on the host computer side as distance data between the processing origin and each processing center. The method for automatically processing a long material according to claim 1.