JPS63174733A - Tool recognizing device in turret punch press - Google Patents

Abstract

PURPOSE:To shorten the confirming work of the tool fitted at random by storing all tools by fitting to the tool fitting station of a freely rotatably tool fitting part and displaying the tool number corresponding to a tool fitting station number. CONSTITUTION:The recognition by the car code 45 of the all tool 17 fitted into the tool fitting hole 19H of plural tool fitting part 19 of an upper turret lathe 13 is stored in a tool corresponding memory part 59 while the upper turret lathe 13 is rotated once by a turret driving part 49 based on the control command of a CPU 47. The tool number is then transferred to the CPU 47 and since the tool fitting station number of the upper turret lathe 13 is stored in the CPU 47 the tool fitting station number and tool number thereof are made corresponding and displayed on a CRT 37. It is therefore recognized which tool is fitted to which station by confirming the display of the CRT 37.

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Field of Application) The present invention relates to a tool recognition device in a turret punch press that recognizes a tool HRed in a tool mounting portion of the turret punch press.

《Prior art》 Conventionally, in a sauce punch equipped with an NC device,
Designation of a mold, which is a tool, on an NC program is performed not by the shape of the mold itself, but by designating the station number of a turret, which is a tool mounting portion, to which the mold is attached.

Therefore, when creating an NC tape, it is necessary to check the station number of the mold and the shape data of the mold, but conventionally this checking work has been done exclusively by hand.

(Problem to be Solved by the Invention) However, for example, in a punch press, the upper part of the frame is close to the turret, so in order to look into the mold and check the station number and shape of I had to take a very awkward position. Moreover, since a large number of these molds are attached to the turret, it takes a lot of time to complete the above-mentioned confirmation work for all of them.

Therefore, there has been a problem in that these checking operations are time-consuming and greatly reduce the working efficiency of NC tape production.

An object of the present invention is to provide a tool recognition device for a turret punch press that can easily and reliably carry out the second tool checking operation even if the tools are randomly installed in the tool mounting section, in order to improve the above-mentioned problems. It is about providing.

[Structure of the Invention] (Means for Solving the Problems) In order to achieve the above object, the present invention provides a plurality of eight tool mounting stations in a rotatable tool mounting section of a turret punch press equipped with an NC device. Codes corresponding to the tool numbers of all the plurality of tools to be mounted are clearly displayed, and a sensor is provided near the tool mounting part to read the code clearly marked on the tools, and when the tool mounting part is rotated, the code is read by the sensor. A display device is provided with a tool correspondence storage device that converts a read signal obtained by the tool into a tool number and stores the tool number, and displays the tool number stored in the tool correspondence storage device in correspondence with a tool installation station number of a tool installation section. A tool recognition device for a turret punch press was constructed by connecting the above-mentioned tool correspondence storage device to the tool correspondence storage device.

(Function) The operator randomly attaches a plurality of tools necessary for machining, such as molds, to the tool mounting section, activates the tool recognition device of the present invention, and checks which tool number is displayed in the tool mounting station number of the tool mounting section. It memorizes whether it has been installed and displays it on the CRT, allowing easy and reliable confirmation. As a result, the tool confirmation work is shortened and the work efficiency of creating the NC tape is improved.

(Example) Hereinafter, an example of the present invention will be described in detail based on the drawings. FIG. 1 is a front view of an example of a turret punch press equipped with a punch press tool recognition device according to an embodiment of the present invention.

In FIG. 1, the turret punch press 1 includes left and right column parts 5, 7 surrounding a gap part 3, upper and lower frames 9.
11 and is formed into a gate-shaped structure, and the first part of Gitotsubu 3
The upper turret plate 13 and the lower turret plate 15 are at the left end in the figure.
This is the provision.

The turret upper plate 13 hangs down from the upper frame 9 and includes a plurality of punch mounting portions 19 on the circumference to which a plurality of upper molds (punch) 17 can be mounted. In addition, the turret lower plate 15 is
The turret upper plate 13 is provided with a plurality of die mounting parts to which lower dies (dies) 21 used in pairs with the punch 17 can be mounted.

The upper turret plate 13 and the lower turret plate 15 are rotated periodically by a chino or the like (not shown) in order to provide a punch 17 and a die 21 for processing to a processing section (punch center) 23.

A striker 27 is located above the processing section 23 and is movable up and down by a crankshaft 25 provided on the upper frame 9.
is the provision. The striker 27 is quickly lowered at a predetermined timing, and by pressing the head of the punch 17, the workpiece W is drilled, for example, at a predetermined position between the punch 17 and the die 21. It is something.

M13 on the turret. A clamp device 29 provided on the lower frame 11 located on the right side of the turret lower plate 15 grips one end of a plate-shaped workpiece W, for example, and positions the workpiece W at a predetermined position in the processing section 23. It is meant to encourage people.

Therefore, the clamp device 29 is fixed to a carriage 31 that moves in the XY plane, and the carriage 31 is connected to the turret punch press 1. It is designed to be driven by three devices.

The NC device 33 drives and controls the carriage 31 via X-axis and Y-axis drive servo motors (not shown), and also drives a predetermined punch 17. die 21
Rotate the upper turret plate 13 and the lower turret plate 15 by 1ti (Jit) so that

The operation surface of the NC device 33 is provided with a plurality of key groups 35 for inputting various commands and data, and is also provided with a CRT 37 as a display device.

On the other hand, the punch press 1 shown in this embodiment is provided with a tool recognition device 39 at the position of the processing section 23. More specifically, as shown in FIG.
A sensor 43 for reading a bar code is provided on the lower side surface of a bracket 41 which is attached to the lower part of the upper frame 9 as part of the bracket ii39 and extends downward.

A large number of punch mounting holes 19H, which are tool mounting portions 19 for mounting the punches 17, are bored on the circumference of the turret upper plate 13. In order to distinguish between the plurality of punch mounting holes 19H, each punch mounting hole 19H is assigned a tool mounting station number. Each punch mounting hole 19H
A punch 17 for punching various predetermined holes and machining is attached to the holder. The head 17A of each punch 17 has its punch 17. A bar code 45 is provided as a code indicating the size and shape of the die 23. It is desirable that the barcode 45 is embedded in the head 17Δ of the punch 17. The barcode 45 and the sensor 43 face each other and are located close to each other.

Therefore, the sensor 43 can read the barcode 45 of the punch 17 mounted in the tool mounting hole 19 of one of the tool mounting sections approaching the sensor 43 while avoiding rotation of the turret upper plate 13.

Furthermore, a specific example of the tool recognition device 39 will be explained based on FIG. 3.

In FIG. 3, the NCRj@33 of the punch breath 1 has a CPU 47. Turret drive section 4 of turret upper plate 13
For example, a CRT 37 is provided as a 92 display device for displaying mold set data.

The turret upper board 13 (not shown) explained in FIG.

A barcode reading section 51 for reading a barcode 45 provided on the head 17A of the punch 17 is connected to the sensor 43, and the barcode reading section 51 is read by the control command from the CPU 47. A reading activation unit 53 for activation is connected.

On the other hand, a barcode conversion unit 55 for converting the read signal of the barcode 45 is connected to the barcode reading unit 51, and the barcode conversion unit 55 has mold correspondence memory via a code buffer 157. The portion 59 is connected. The CPU 47 is connected to the mold correspondence storage section 59.

The read signal of the barcode 45 converted by the code conversion section 55 is inputted to the mold correspondence storage section 59 via the code buffer 57. The mold registration numbers of all owned molds are stored in advance in the mold correspondence storage section 59, and the input code is made to correspond to the mold registration number given to the code buffer 57, and the mold numbers are stored in the mold correspondence storage section. 59.

All punches 17, which are molds, are mounted in tool mounting holes 19H of a plurality of tool mounting portions 19 in the turret upper plate 13.
When II according to the barcode 45 is carried out in the above-described manner while the turret upper plate 13 is rotated once by the turret drive unit 49 based on the control command from the CPU 47, the molds of all the molds as shown in FIG. Bumba will be stored in five mold corresponding storage units.

The mold number stored in the mold correspondence storage section 59 is
Since the tool mounting station number of the turret upper board 13 is stored in the CPU 47, the tool mounting station number and the mold number are displayed in correspondence with each other on the CRT 37 as shown in FIG. The worker is C.
By checking the list of tool mounting station numbers and mold numbers displayed on the RT 37, it is possible to recognize which mold is mounted to which station.

Therefore, once the operator has selected the mold to be machined, the tool recognition device of this embodiment can easily and easily check the mold, even if the selected mold is randomly attached to any tool mounting station. It can be done reliably. Therefore, there is no need to check the mold in an awkward position like before.

Note that when recognizing the mold number, for example, in the case of a turret punch press, not only the punch but also the die can be recognized.

Next, the operation of this embodiment will be explained based on the flowcharts of FIGS. 6 and 7.

FIG. 6 is an example of tool recognition when molds are installed in all stations of the turret upper plate 13.

In FIG. 6, first, at the 101st stage, the first station of the turret upper board 13 is positioned in the processing section 23 via the turret drive section 49 according to a control command from the CPU 47.

For example, if the tool mounting station number is 20, the lowest number 1 is positioned. Next, the 103rd fQ
Then, the sensor 43 recognizes the barcode 45 provided on the head 17A of the punch 17, which is the mold mounted at the first station.

The read signal recognized by the sensor 43 at the 105th stage is sent to the barcode reader 51. The mold number of the punch 17 is stored in the mold correspondence storage section 59 via the code conversion section 55 and the code buffer 57.

At the 107th step, it is determined whether or not the die recognition of the punch 17 in all tool mounting station numbers has been completed. For example, since the tool installation station number is only 1, go back to the 101st stage, repeat the above procedure, and punch 1 with Vi and s applied to all stations.
Recognize mold 7. For example, since there are 20 stations in total, the process is repeated 20 times, and the mold number shown in FIG. 4 is stored.

In the 109th stage, the mold number stored in the mold number correspondence storage section 59 as shown in FIG. The stored tool mounting station number, in this case 20, is associated with the station and displayed on the CRT 37 as shown in FIG. Therefore, by checking the worker mounting station number and mold number displayed on this C, RT37, the operator can reliably and easily confirm which tool mounting station the selected mold is mounted on. can.

FIG. 7 is an example of tool recognition when the tool is attached to a predetermined designated station among all stations.

In FIG. 7, in step 111, predetermined tool mounting station numbers are input in order from the youngest number. For example, if the total number of stations is 20, and the punches 17 are installed at odd numbers such as IJt installation station numbers 1, 3° 5, ..., 17.19, 1.3, 5, etc. . . . 17.19 and the numbers are input into the CPU 47 in this order. Next, in the 113th stage, the tool mounting station with the lower number is positioned in the processing section 23.

That is, one station is positioned in the processing section 23.

In the 115th and 117th stages, the 103rd stage explained in FIG. 6! Perform the operation in step 105.

At the 119th stage, it is set to the predetermined tool installation station number.
) It is determined whether or not the mold recognition of the punch 17 has been completed. That is, the tool mounting station number is 1.
Since only the tool mounting station number 3.5.・
...Recognizes the barcode 45 provided on the head 17A of the punch 17, which is a mold attached to all odd numbers such as 17 and 19.

At step 121, the operation at step 109 explained in FIG. 6 is performed.

Therefore, the work of confirming the mold number can be carried out reliably and easily in the same way as explained in FIG. 6.

Note that the present invention is not limited to the above-mentioned embodiments,
By making appropriate changes, other embodiments are possible. For example, if the size and shape of the mold corresponding to the mold number are stored in the mold correspondence storage section, C
It is also possible to display the dimensions of the mold according to the mold number on the RT.

[Effects of the Invention] As can be understood from the description of the embodiments as described above, according to the present invention, the tool number of the tool mounted on the tool mounting section is changed to the tool mounting station number of the tool mounting section. This can be confirmed reliably and easily using a recognition device. Therefore, since the operator can randomly mount tools on the tool mounting section, the work of checking the tools is shortened and the work efficiency of creating NGs is improved.

[Brief explanation of the drawing]

FIG. 1 is a front view of a turret punch press equipped with a tool recognition device according to an embodiment of the present invention, and FIG. 2 is an enlarged view of the portion surrounded by a circle in FIG. 1. Figure 3 is a configuration block diagram explaining the tool recognition device;
The figure is an explanatory diagram of the mold number stored in the mold correspondence storage unit,
FIG. 5 is an explanatory diagram of an example of a display displayed on a CRT. 6 and 7 are flowcharts illustrating the tool recognition device. [Explanation of symbols representing main parts of drawings] 1... Turret punch brace 13... Turret upper plate 17... Turret 17A... Head 19... Punching bamboo part 23... Processing part 27... Striker 33... NCR device 7... CRT
39... Tool recognition device 43... Sensor
45... Barcode 47... CPU49.
...Turret drive section 51...Barcode reading section 57
...Code buffer 59... Mold correspondence storage unit Agent Yasuo Miyoshi, patent attorney Figure 2 Figure 4 Figure 5 Confirmation of all station consoles Figure 6a Confirmation of specified stage console Figure 7

Claims (2)

[Claims] (1) In a turret punch press equipped with an NC device, codes corresponding to the tool numbers of all the plurality of tools installed in the plurality of tool installation stations of a rotatable tool installation part are clearly displayed, and the vicinity of the tool installation part is is provided with a sensor that reads a code clearly marked on the tool, and a tool corresponding storage device that converts the read signal read by the sensor when the tool mounting part is rotated into a tool number and stores the tool number, A tool recognition device characterized in that a display device is connected to the tool correspondence storage device and displays a tool number stored in the tool correspondence storage device in correspondence with a tool mounting station number of a tool mounting section. (2) The tool recognition device according to claim 1, wherein the code specified on all the tools is a bar code.