JPH033725A - Compound machining device - Google Patents

Abstract

PURPOSE:To continuously perform a machining process for an electrode and an electric process therefor by constructing the title device in a way that the material of the electrode is machined in a predetermined shape of the electrode, the electrode machined thereby is fitted to an electrode fitting member by electrode attaching and detaching means and a work is electrically machined by the electrode. CONSTITUTION:The material of an electrode for an electric process is machined in a predetermined shape of an electrode 1 by an electrode machining means 19. The electrode a machined thereby is fitted to an electrode fitting means 15 by an electrode attaching and detaching means 53. Under this condition, the electrode 1 and a work 2 are approached each other to discharge-machine the work 2 in a required shape by the electrode 1.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a composite processing device, and in particular, it performs electric FMTh machining for electric machining, and uses the fully machined electrode to completely electrically process the workpiece. Related to multi-processing equipment.

Hereinafter, for convenience of explanation, cutting will be exemplified as machining, and electric discharge machining will be exemplified as electrical machining.

[Conventional technology]

FIG. 4 is a diagram showing the entire configuration of a conventional composite processing device.

In the figure, (1) is the electrode for electric discharge machining, (2) is the workpiece to be machined, (3) is the machining tank, and (4) is the insulating oil stored in the machining tank (3). It is a processing fluid such as.

Normally, each process using this multi-processing equipment is performed in this processing tank (
3) is carried out in the processing fluid (4). (5) is the electrode (1
) and the workpiece (2), and (8a) is a pulse current generator that supplies a pulse current for discharge to the workpiece (2). The pole screw that moves δ in the direction), (8C) is the workpiece (
2) Pole screw that moves in all left and right directions (X-axis direction),
(9a) is a servo motor that rotationally drives the pole screw (8a)' in the Z-axis direction, and (9b) is a pole screw (not shown) that moves the workpiece (2) in the entire front-rear direction (Y-axis direction).
Servo motor that drives full rotation, (9C) is a pole screw in the X-axis direction (8C) 'e Servo motor that drives rotation, α
O is each servo motor (9a), (9b).

This is a numerical control device that appropriately controls the drive of (9C) according to the addition program. C1,) is the head located at the top of this compound processing device, @ is the column which is the frame material that fixes and supports the head αυ, C10 is the bed that is the base of this compound processing device, and (14b) is the covered part. A moving table that moves the workpiece (2) in the front-back direction (Y-axis direction) together with the processing tank (3), (14C) is the workpiece (2) and the entire processing tank (3).
QQFs is a moving table that moves in the left and right direction (X-axis direction), the Arnubindle head is the core rod of the main spindle of this multitasking equipment, and αej is the electrode (
1) Electrode exchange device for replacing all cutting tools such as Ql,
aη is an arm that grips the electrode (1) etc. during electrode replacement operations, (g) is a magazine rack in which various tools such as the electrode (1) can be stored, and Qlu is a prepared cutting tool for cutting.

The conventional multi-tasking device has the configuration δ as described above, and after cutting the electrode (1) for electrical discharge machining into a predetermined shape using the cutting tool Ql, the workpiece is cut into a predetermined shape. (2) is subjected to electrical discharge machining. First, this electric discharge machining operation will be explained.

The electric FM (1) and the workpiece (2) are both immersed in the machining fluid (4) in the machining tank (3), facing each other, and the electrode (1) and the workpiece (2) are connected to each other. Pulseless current generator @ (5
), apply the full pulse current. This energization causes intermittent electrical discharge in the machining gap between the electrode (1) and the workpiece (2), and the workpiece (2) is machined by the discharge.

At this time, since the electrode (1) is connected to a Z-axis servo motor (9a) by a pole screw (8a), it moves in the upward direction in response to a command from the numerical controller σO.

In addition, the Y-axis moving tape /l/ (14b) is equipped with a ball screw (not shown) with full valves and a Y-axis servo motor (9).
b) is connected, and the moving tape /L/(
14C) is connected to the X-axis servo motor (9C) via a hole screw (8C). Each of these moving tapes 1v (14b), (14c) can be moved back and forth, left and right, as appropriate, in response to commands from the numerical system αO. Thereby, the relative positional displacement in the horizontal direction between the electric FM (1) and the workpiece (2) can be changed as desired during horizontal positioning, lateral processing, etc. Therefore, by appropriately controlling the drive of each of the servo motors (9a), (9b), and (9), it is possible to perform electric discharge machining in any shape on any position of the workpiece (2).

Next, each machining process of cutting and electric discharge machining by this multi-tasking apparatus will be explained.

FIG. 5(a) is a main part configuration diagram showing the process before the cutting process of the electrode by the multi-processing device shown in FIG. 4, and FIG. Configuration diagram, No. 6
(a) of the figure is a block diagram of the main parts showing the cutting process of the workpiece by the multi-tasking apparatus shown in Fig. 4, and (b) of the same figure is a block diagram of the main parts showing the entire electrical discharge machining process of the workpiece. It is. In addition, in the figure, (1) to (4), αG and Ql are the fourth
These components are the same as or correspond to the components shown in the figure.

In the figure, c! 1 is an electrode fixing table, which is a jig for fixing the electrode (1) while immersed in the machining fluid (4) in the machining tank (3), and Qυ is the workpiece (2) the machining tank (3). ) is a jig for fixing the workpiece while immersed in the machining fluid (4), @ is the cutting part that is cut by the cutting tool 4, and the symbol is the electrical discharge machining part that is being machined by the electrode (1). The electric discharge machining section

The process of completely cutting the electrode (1) for electrical discharge machining will now be described with reference to FIG.

The cutting tool Q0 is mounted on the spindle head αQ, which constitutes a part of the main shaft of this multi-tasking device, and is immersed in the machining fluid (4) in the electrode material machining tank (3) by the electrode fixing table (E). (see Figure 5(a)). and,
Each servo motor 11 (9a), (9b) + (90)
(7) The electrode (1) of a predetermined shape is cut by appropriately controlling the drive using the numerical control device C1O.
(see Figure 5(b)).

Next, the process of subjecting the workpiece (2) to electric discharge machining will be explained with reference to FIG.

Attach another cutting tool αI' to the spindle head (2), and fix the workpiece (2) completely immersed in the machining fluid (4) in the machining tank (3) using the workpiece fixing table ■υ. do.

Then, rough cutting is performed on the workpiece (2) using this cutting tool α, and the cutting part (4) approximates the final machined shape. (See FIG. 6(a)). Thereafter, the cutting tool a of the spindle head αQ is replaced with a 'K lff1 (1) for electric discharge machining made by the process shown in FIG.

Then, an electrical discharge machining process is performed by approaching the cutting part (a) of the workpiece (2) by electric discharge machining, and the desired final machining is performed on the workpiece (2). (See Figure 6(b)).

[Problem to be solved by the invention]

In the conventional multi-tasking equipment as described above, first, an electrode (1) of a predetermined shape is completely formed using the cutting tool Q1, and then this electrode (1) is used to complete the electric discharge machining of the workpiece (2). I was doing it. Furthermore, the process of cutting the electrode 1i (1) and the process of electrical discharge machining of the workpiece (2) using the electrode (1) were performed separately and independently.
The electrode material is fixed in the machining liquid (4) in the machining tank (3), and the entire cutting process of the electrode (1) is performed.After this, it is removed and reinstalled on the spindle, and the machining process is continued in this machining tank (3). liquid (4)
The workpiece (2) was completely fixed inside and electrical discharge machining was performed.

In this way, with conventional multi-tasking equipment, after the cutting process of the electrode (1) is completed, it is necessary to perform various preparations in order to start processes such as electrical discharge machining of the workpiece (2). . And normally, this setup V is not automated,
This was done manually by workers. therefore,
The transition work between each processing step is extremely troublesome, and the electrode (1)
Does it take a long time to process workpiece (2) from creation to processing 1? It was necessary.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a composite machining device that can automatically and continuously perform the process of machining the entire electric machining force and the process of electrical discharge machining of the workpiece.

[Means to solve the problem]

The composite processing apparatus according to the present invention includes: an electrode processing means for machining an electrode material for electrical processing into an electrode of a predetermined shape; an electrode attachment/detachment means for attaching and detaching the electrode for electrical processing to the entire electrode assembly N member after the machining; The electrode bag MM is formed by the electrode processing means.
This machine is equipped with all the means for processing a workpiece by means of electrodes attached to the S material.

[Effect]

In the composite processing device according to the present invention, all of the electrode materials for electric machining are machined into electrodes of a predetermined shape, and all of the machined electrodes are attached to an electrode mounting member using an electrode attachment/detachment means, and the workpiece is It is something to be processed.

[Examples of the invention]

Hereinafter, embodiments of the invention will be described with reference to the drawings.

FIG. 1 is an overall configuration diagram showing a compound machining device which is one embodiment of the present invention, and FIGS. 2 and 8 are principal part configuration diagrams showing an electrical discharge machining process by the compound machining device shown in FIG. 1. . In addition, in the figure (
Since the α fields from 1) to (5) and (8a) are the same as or correspond to the constituent parts of the above-mentioned conventional example, the explanation thereof will be omitted here.

In the figure, 61) is an electrode holding means fixed on the moving tape/l' (140) in a direction opposite to the main axis, and the ring is an electrode holding means fixed in a direction perpendicular to the main axis. Q is between the electrode (1) all electrode holding means f1p and Q,
The electrode holding means ψη, 62 is an electrode attachment/detachment means for audible conveyance and attachment/detachment between the electrode holding means ψη, 62 and the spindle head (toward), which is a part of the main shaft.

Each machining operation by the composite machining apparatus configured in this way will be explained.

The process of completely cutting the electrode (1) for dielectric discharge machining will be explained with reference to FIG.

The electrode material is fixed on the moving table (14C) by the electrode holding means value υ, and is immersed in the machining liquid (4) in the machining tank (3). Then, the cutting tool 00 for cutting the electrode (1) is extracted from the magazine rank (g) by the force of the arm α of the all-electrode exchanger α→ and is mounted on the spindle head OQ. After this, the cutting tool α starts rotating, and at the same time, each servo motor (9a), (9b).

By controlling the drive of (9C) by numerical control i [1 device (10) as appropriate, the electric surface in the direction facing the main axis is cut (see Fig. 2 (a)).Next, In order to fully process the electrode (1) in the lateral direction, the electrode (1) was
1) The electrode is transferred from the K electrode holding means Q) to the electrode holding means (2) by the electrode attachment/detachment means (-), and is attached/detached to change the direction of the electrode (see FIG. 2(b)). Here, the electrode (1) is also cut using the cutting tool α (see FIG. 2(C)). Electrode (1) of this embodiment The electrode processing means for cutting the electrode is constructed as described in (1) below.

Next, perform electrical discharge machining on the workpiece (2) according to Fig. 8. The process of applying this will be explained. In order to move from the state where the cutting process is completed to electric discharge machining, the cutting tool Q is returned from the spindle head αO to the magazine rack (to) by the arm αη of the total force exchanger α, and then the electrode holding means (exchanger) is returned to the magazine rack (to).
From the spindle head σ at the electrode attachment/detachment means
51C is transported and chucked. In this state, electrical discharge machining is performed by bringing the order 1) and the workpiece (2) close to each other. The workpiece processing means for subjecting the workpiece (2) to electric discharge machining using the electrode (1) of this embodiment is constructed as described above.

Therefore, the process of cutting the electrode (1)' for electrical discharge machining and the process of completely electrical discharge machining the workpiece (2) can be performed automatically and continuously, making the transition work between each machining process simple. The entire process from the creation of the electrode (1) to the processing 1 of the workpiece (2) can be completed in a short time.

In addition, in this embodiment, the cutting process of the electrode (1) and the firing process using the electric current 1ffi(1)K can all be carried out without fixing the electrode (1) at any angle. , the degree of freedom in machining increases, and the range of machining is expanded.

In particular, by cutting the electrode (1) from above and then turning it sideways, the machining powder generated by the cutting falls downward, making it possible to clean the electrode (1).

In the above embodiment, two electrode holding means 11) and 62 are installed in directions completely orthogonal to each other, but they may be arranged in a direction other than perpendicular to each other.
Moreover, two or more may be used.

By the way, in the description of each of the above embodiments, the case where the workpiece (2) is subjected to electric discharge machining immediately after the electrode (1) for electric discharge machining is completely cut has been described. Before subjecting the workpiece (2) to electrical discharge machining at the center, a step of performing rough cutting v with a cutting tool may be inserted. Are the changes in these processing steps on the numerical side? This is possible by changing the program of the device αO.

Furthermore, in the above description, cutting work was used as an example of machining, and electrical discharge machining was used as an example of electrical machining.
It goes without saying that the present invention is not limited to this, but also includes various design changes that achieve the same effect.

〔Effect of the invention〕

As described above, the composite processing device of the present invention machine-processes an electrode material for electrical processing into a wL group of a predetermined shape, and attaches the machined electrode to an electrode attachment member using an electrode attachment/detachment means.
Since the workpiece is electrically machined, the process of machining the electric machining wire fl' and the process of electrical discharge machining of the workpiece can be performed continuously and automatically.

[Brief explanation of drawings]

FIG. 1 is an overall configuration diagram showing a composite processing apparatus which is an embodiment of the present invention, FIGS. 2 and 8 are main part configuration diagrams showing the processing steps by the composite processing apparatus of FIG. Figure 5 (a) is a diagram showing the overall configuration of a conventional multi-tasking device, and (b) is a diagram showing the main parts of the process before electrode cutting by the multi-tasking device shown in Fig. 4; Fig. 6(a) is a main part configuration diagram showing the process after cutting, and ('b) is a main part configuration diagram showing the cutting process of the workpiece by the multi-tasking device of Fig. 4. FIG. 2 is a main part configuration diagram showing an electric discharge machining process for a workpiece. In the figure, (1) is the electrode, (2) is the workpiece, and (3)
is a machining tank, (4) is a machining fluid, (5) is a pulse current generator, (8) is a pole screw, (9) is a servo motor, αO
is a numerical control device, αυ is a head, (2) is a column, (L
l is the bed, α→ is the moving table, α5 is the spindle head, aQ is the military exchange device, αη is the arm, a8 is the magazine rack, QI is the cutting tool, 6υ is the electrode holding means, is the electrode holding means, and the iron is the electrode It is a means of attachment and detachment. Note that the same reference numerals in the figures indicate the same or equivalent parts.

Claims (1)

[Claims] an electrode processing means for machining an electrode material for electrical processing into an electrode of a predetermined shape; an electrode attachment/detachment means for attaching/detaching the machined electrode for electrical processing to/from an electrode mounting member; 1. A composite processing device comprising workpiece processing means for electrically processing a workpiece using an attached electrode.