JPH0631529A - Sawing machine - Google Patents

Abstract

PURPOSE:To solve such a problem of insufficient saw blade management due to vanishment of a number on the saw blade or missing of a tag on the saw blade regardless of such a conventional process as making numbers directly on the saw blade with a magic pen or attaching a numbered tag on it as a method to manage saw blades at the time of cutting a workpiece with a saw blade on a sawing machine. CONSTITUTION:A horizontal band sawing machine 1 is constructed by means of providing, as a identification mark given to a saw blade, for example, at least either one of a reader 37 to read bar cords and a writing device 39 on a cutting head 9, for example. In addition, a control device 19 provided with a saw blade history memory 49 to memorize the history of a saw blade 7 based on bar cords of the saw blade 7 read by the reader 37 is equipped on the horizontal band sawing machine 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a saw machine, and more particularly to a saw machine capable of managing the history of saw blades.

[0002]

2. Description of the Related Art Conventionally, in a band saw machine, for example, as a saw machine, in order to manage the saw blade, a number or the like is directly specified on the saw blade with a magic marker, or a tag with the saw blade name number is written. I used to attach it to the blade.

[0003]

By the way, of the above-mentioned conventional methods for managing a saw blade, the former method has a risk that the specified content may be erased if it is touched with a dirty hand or waste cloth. It was Further, in the latter method, when using a saw blade, there is a trouble that the bill has to be removed, and there is a fear that the bill is lost. Therefore, there is a problem that the saw blade cannot be managed sufficiently.

In order to solve the above problems, an object of the present invention is to prevent the name of a saw blade from being erased even if the saw blade is soiled with a hand or a waste cloth, and to manage the saw blade. It is to provide an easy-to-use saw.

[0005]

In order to achieve the above object, the present invention constitutes a saw machine including at least one of a reading device and a writing device for reading an identification code given to a saw blade.

In the saw machine, there is provided a controller having a saw blade history memory for storing the history of the saw blade based on the identification number of the saw blade read by the reading device, or the identification number is referred to as a saw blade guide. It is preferable that the saw blade is provided at the position of the body portion of the saw blade which avoids the position.

[0007]

By employing the saw machine according to the present invention, the identification number given to the saw blade is read by the reading device provided in the saw machine, and based on the identification number written by the writing device. The saw blade history is stored in the saw blade history memory of the controller. Therefore, the identification number given to the saw blade is not erased by stains on the hand or dirt on the waste cloth, and the saw blade history stored in the saw blade history memory facilitates management of the saw blade. In addition, since the identification number is given to the body position of the saw blade that avoids the saw blade guide position, it will not disappear even if the saw blade is rubbed with the saw blade guide while it is in use. .

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to FIG. 1, in this embodiment, a horizontal band saw machine 1 is illustrated as a preferable saw machine for carrying out the present invention, but the saw machine is a vertical band saw machine, a circular saw machine or the like. Can also be easily implemented.

Since the main structure of the horizontal band saw machine 1 is already known, the horizontal band saw machine 1 is schematically shown in FIG. 1, and the structure according to this embodiment will be briefly described.

On the base 3 of the horizontal band saw machine 1, a vise device 5 for holding and fixing a work piece W is mounted, and a cutting head 9 having a saw blade 7 is provided for vertical movement. .

More specifically, in the present embodiment, the cutting head 9 is rotatably supported via a hinge pin 11 and is mounted on the base 3 to move the cutting head 9 up and down. A piston rod 15 of the lifting hydraulic cylinder 13 is pivotally connected to the cutting head 9. Therefore, the cutting head 9 is raised by supplying the pressure oil to the lifting hydraulic cylinder 13, and the cutting head 9 is lowered from the raised position by discharging the pressure oil from the lifting hydraulic cylinder 13. At this time, the descending speed of the cutting head 9 is controlled by appropriately controlling the flow rate control valve (not shown) in the hydraulic circuit (not shown) to control the discharge amount of the pressure oil discharged from the lifting hydraulic cylinder 13. In other words, the cutting speed of the saw blade 7 with respect to the workpiece W can be controlled.

As described above, in order to control the cutting speed,
A cutting control device 17 is connected to the lifting hydraulic cylinder 13. The cutting control device 17 is the control device 1
9 is connected to a central processing unit (CPU) 21 and is configured to control a flow rate control valve based on data input from the CPU 21 to control cutting.

A drive wheel 23 for hanging the saw blade 7 is rotatably supported on the cutting head 9 via a drive shaft 25, and a driven wheel 27 is rotatably supported on a driven shaft 29. It is supported. Therefore, the drive wheel 23 is appropriately driven to drive the saw blade 7 to travel, and as described above, the cutting head 9 is lowered to cut the workpiece W by the saw blade 7, thereby cutting the workpiece W. The W cutting process is performed.

The horizontal band saw machine 1 is provided with a saw blade guide 31 for guiding the tooth tips of the saw blade 7 vertically downward in a cutting region where the saw blade 7 cuts the workpiece W.

The saw blade guide 31 is provided with a side guide (not shown) for holding and guiding the saw blade 7, and a back surface pressing member 33 having a roller for guiding and supporting the back surface of the saw blade 7. It is provided so that it can move up and down. The back surface pressing member 33 is in contact with the back surface of the saw blade 7.

The drive wheel 23 and the driven wheel 27
As shown in FIGS. 2 (A), (B), and (C), the body part that avoids the position of the saw blade guide 31 in the saw blade 7 wound around The barcode 35 as a label is attached in advance.

Further, the saw blade 7 may be directly written by a writing device such as marking, ink jet, electrolytic corrosion or laser marking.

The bar code 35 is provided with a saw blade name, a manufacturing lot number, and a manufacturing date as identification numbers. Further, as shown in FIG. 1, the cutting head 9 is provided with a reading device 37 and a writing device 39 for reading the barcode 35,
The reading device 37 is connected to the CPU 21 via an interface 39.

Further, the CPU 21 is connected with an input device 41 such as a keyboard for inputting the material, shape and the like of the work piece W and an output device 43 such as a CRT for displaying data. . It is not necessary to display the cutting resistance data on the output device 43, but it is also possible to display, for example, the processed data. Further, for example, the CPU 21 measures the cutting time after starting the cutting of the work W and detects the cutting position with the cutting position detection device, and measures the measured cutting time, the detected cutting position, and the workpiece W. An arithmetic processing unit 45 for arithmetically processing a cutting length and the like based on data such as a shape is connected.

The CPU 21 is connected with a cutting condition memory 47 for storing preset cutting condition data based on the material, shape, etc. of the workpiece W, and stores the history of the saw blade 7. A saw blade history memory 49 is connected.

With the above construction, the saw blade 7 is attached to the workpiece W.
When the cutting process is performed with, the bar code 35 of the saw blade 7 that is running and rotating is read by the reading device 37 provided in the cutting head 9 so that the saw blade name of the saw blade 7, the saw blade pitch, and the manufacturing lot. The number and manufacturing date are CPU21
And is temporarily stored in the saw blade history memory 49.

Next, based on the saw blade information stored in the saw blade history memory 49, an optimum cutting condition suitable for a predetermined workpiece W is selected from the cutting conditions stored in the cutting condition memory 47. Is selected, and the workpiece W is cut under these cutting conditions. When the cutting process is completed, the saw blade history data necessary for the history of the saw blade 7 such as the material and shape of the workpiece W subjected to the cutting process and the cutting time required for the cutting process is the saw blade history data as shown in FIG. It is temporarily stored in the history memory 49. The saw blade history data when the workpiece W is cut by the specified saw blade 7 is stored in the saw blade history memory 49 each time.
The saw blade history stored in the saw blade history memory 49 is displayed on, for example, the output device 43 to allow the operator to judge the life of the saw blade 7, or the saw blade preset for a predetermined saw blade 7. It is possible to manage the saw blade 7 by calculating the life data and automatically determining the life of the saw blade 7 by the arithmetic processing unit 45. The data stored in the saw blade history memory 49 may be directly written in the saw blade 7 by the writing device 39.

Therefore, the saw blade 7 can be managed simply by giving the identification number to the saw blade 7.
It eliminates the hassle of writing with a conventional magic tool and attaching and removing tags, and the identification number does not disappear. By extension, it is useful for dealing with the unmanned operation of the horizontal band saw machine 1.

The present invention is not limited to the above-described embodiments, but can be carried out in that form by making appropriate changes. In the present embodiment, an example in which the bar code 35 is attached to give the identification number to the saw blade 7 has been described, but it is also possible to mark and write with a writing device such as a laser. Furthermore, vertical band saws and circular saws are also available.

[0025]

As can be understood from the above description of the embodiments, according to the present invention, since the structure is as described in the scope of the claims, it is possible to write or to use a tag with a conventional magic. In addition to being free from the hassle of attaching and detaching, the identification number given to the saw blade is not easily erased. Further, based on this identification code, it is possible to easily and automatically manage the saw blade such as saw blade life without depending on the operator.

[Brief description of drawings]

FIG. 1 shows a case where the present invention is applied to a horizontal band saw machine,
It is a conceptual block diagram showing a band saw machine schematically and showing a control system in blocks.

FIG. 2 is a diagram showing a state in which a bar code is attached to the body of a saw blade.

FIG. 3 is an example diagram of saw blade history data stored in a saw blade history memory.

[Explanation of symbols]

 1 Horizontal band saw machine (saw machine) 7 Saw blade 9 Cutting head 19 Control device 21 CPU 31 Saw blade guide 41 Bar code (identification code) 47 Input device 49 Output device 51 Arithmetic processing device 55 Saw blade history memory

Claims (3)

[Claims] 1. A saw board comprising at least one of a reading device and a writing device for reading an identification code given to a saw blade. 2. The saw machine according to claim 1, further comprising a controller having a saw blade history memory for storing a history of the saw blade based on the identification number of the saw blade read by the reading device. 3. The saw machine according to claim 1, wherein the identification code is added to a body position of the saw blade that avoids the saw blade guide position.