JPH0731935Y2 - Electrode machining electrode mounting structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention is used when an electrode material for electric discharge machining is processed into an electrode body of a predetermined shape by an electrode machining machine or when the electrode body is mounted on the electric discharge machine. The present invention relates to a mounting structure for mounting an electrode (electrode material or electrode body) at a predetermined position of a processing machine (electrode processing machine or electric discharge machine) when performing electrical discharge machining.

(Prior Art) Conventionally, when attaching an electrode body to an electric discharge machine, for example, as shown in FIG. 8, the electrode body a is connected to one end of an electrode support rod b by screw coupling, and the other electrode support rod b is connected. The end is inserted into an electrode insertion portion d of a float type clamp device c provided downward on a head (not shown) of an electric discharge machine and fixed by an electrode mounting screw e. Here, in the clamp device c, a sliding plate g is rotatably provided on a mounting plate f thereof, and an electrode insertion part d is slidably provided on a lower surface of the sliding plate g. Electrode body a inserted into and fixed to insertion portion d via electrode support rod b
Is centered by the floating screw h, the angle fine adjustment screw i, or the like.

(Problems to be solved by the invention) However, since the centering of the electrode body a in the clamp device c is performed three-dimensionally by screw adjustment or the like, there is a problem in that the work requires considerable skill.

The present invention has been made in view of such a point, and the purpose thereof is to use a jig instead of the above-described clamp device and perform electrode processing on an electrode material without performing a complicated centering work. It is an object of the present invention to provide a mounting structure of an electrode for electric discharge machining which can easily and appropriately mount the electrode body on the machine or the electric discharge machine.

(Means for Solving the Problem) In order to achieve the above object, the solution means of the present invention has a mounting jig for mounting an electrode for electric discharge machining on the machining machine as a mounting structure. The mounting jig is configured to have a horizontal electrode mounting surface which is located at a predetermined distance in the vertical direction from the mounting location of the processing machine. A plurality of bolt insertion holes are provided in a row at predetermined intervals on the electrode attachment surface of the attachment jig, and two knock holes are provided between the adjacent bolt insertion holes. On the other hand, two screw holes and two knock holes are provided on the back surface of the electrode corresponding to the bolt insertion hole and the knock hole, respectively. Then, the above-mentioned electrode is positioned by inserting two knock pins into the respective knock holes of the electrode from the knock holes of the mounting jig with respect to the electrode mounting surface of the mounting jig, and mounting screws of the two fastening bolts respectively. It is configured to be screwed and attached to each screw hole of the electrode through the bolt insertion hole of the tool.

Here, such an electrode mounting structure can be applied to an electrode processing machine that processes an electrode material into an electrode body of a predetermined shape, and to an electric discharge machine that mounts the electrode body and performs electrical discharge machining. It is preferable to apply the same as in the case where the electrode body is attached.

(Operation) With the above configuration, in the present invention, when the electrode is mounted on the processing machine, two knock pins are mounted and fixed with the back surface of the electrode being in contact with the electrode mounting surface of the mounting jig provided on the processing machine. Positioning at the electrode mounting surface of the processing jig of the electrode and thus at the mounting location of the processing machine can be easily performed by only inserting the electrode from the knock hole of the tool into each knock hole of the electrode. Then 2
By screwing the individual fastening bolts into the respective screw holes of the electrode through the bolt insertion holes of the mounting jig, the electrode can be securely mounted at a predetermined position of the processing machine through the mounting jig.

At this time, since the electrode mounting surface of the mounting jig is located at a predetermined distance in the vertical direction from the mounting location of the processing machine, positioning by the knock pin performed by inserting the knock pin into the knock hole of the electrode mounting surface and the electrode mounting It is possible to easily perform bolt fastening by passing the fastening bolt through the bolt insertion hole on the surface. Moreover, since a plurality of sets of knock holes and bolt insertion holes are provided in a row on the electrode mounting surface of the mounting jig for each two groups, the electrode mounting position can be freely changed in the column direction. You can

In particular, if the mounting of such an electrode is the same when mounting the electrode material on the electrode processing machine and when mounting the electrode body on the electric discharge machine, both machining on a series of electric discharge machining lines. The installation of the electrodes on the machine can easily be done with the same procedure.

Embodiment An embodiment of the present invention will be described below with reference to the drawings.

1 and 2 show a first embodiment of the present invention, which is applied to an electrode body mounting structure for an electric discharge machine A. The electric discharge machine A includes a table 2 on which the liquid tank 1 is placed,
A head 3 provided above the table 2 and an elevating plate 4 that moves up and down by the operation of a feed mechanism (not shown) incorporated in the head 3 are provided. And the elevator board 4
The electrode body 5 is attached in a suspended state via the attachment jig 6, and the electrode body 5 is immersed in the working liquid of the liquid tank 1,
Spark discharge is performed between the workpiece and the workpiece in the machining liquid to form holes corresponding to the shape of the electrode body 5 in the workpiece.

As shown in detail in FIG.
Is attached to the first horizontal plate 7 and the horizontal plate 7 (and thus the mounting location of the lifting plate 4) in the vertical direction at a predetermined distance from each other, and is connected via four support rods 8, 8 ,. And a second horizontal plate 9 serving as a horizontal electrode mounting surface. The second horizontal plate 9 has a plurality of bolt insertion holes 10, 10,
.. are formed in a row at predetermined intervals, and two small knock holes 11, 11 are formed between the bolt insertion holes 10, 10 adjacent to each other. Further, two bolt insertion holes 10, 10 are formed in the central portion of the second horizontal plate 9 in the longitudinal direction at the same intervals as the bolt insertion holes 10, 10 adjacent to each other in the longitudinal direction also in the direction orthogonal to the longitudinal direction. Two knock holes 11, 11 are provided between the bolt insertion holes 10, 10 while being spaced apart from each other.

On the other hand, on the back surface of the electrode body 5, a second
Two screw holes 12 and 12 and knock holes corresponding to the set of bolt insertion holes 10 and 10 and knock holes 11 and 11 in the horizontal plate 9.
13,13 are provided. Then, the electrode body 5 is inserted into the second horizontal plate 9 of the attachment jig 6 by inserting two knock pins (not shown) from the knock holes 11 of the attachment jig 6 into the knock holes 13 of the electrode body 5. The two fastening bolts 14 and 14 are screwed into the screw holes 12 of the electrode body 5 through the bolt insertion holes 10 of the mounting jig 6 and mounted. The bolt insertion hole 10 of the mounting jig 6 is a so-called stupid hole whose diameter is larger than that of the fastening bolt 14.

Next, to explain the function and effect of the above-described embodiment, when the electrode body 5 is attached to the head 3 of the electric discharge machine A, first, the second attachment jig 6 previously attached to the head 3 is attached. The knock pins are inserted into the two knock holes (knock holes between the bolt insertion holes 10 and 10 at the site where the electrode body 5 is to be attached) 11 and 11 in the horizontal plate 9 from above (on the side of the first horizontal plate 7). The tip of is projected downward. Then, the knock holes 13, 13 on the back surface of the electrode body 5 are aligned with the knock pins 11, 11 protruding from the knock holes 11, 11 of the second horizontal plate 9, and the knock pin is inserted into the knock holes 13, 13 while the electrode body is inserted. The back surface of the electrode body 5 is brought into contact with the second horizontal plate 9.

At this time, the second horizontal plate 9 is horizontal, and
Since the knock hole 11 is provided at a preset predetermined position, the electrode body 5 positioned by the knock holes 11 and 11 is centered by screw adjustment or the like in the conventional float type clamp device c. Similarly to the above, the positioning is surely performed three-dimensionally. Moreover, the operation is simpler than the centering operation, and the work efficiency can be improved.

After that, the fastening bolts 14 and 14 are respectively attached to the screw holes 12 and 12 of the electrode body 5 and the second bolts facing the screw holes 12 and 12, respectively.
It is screwed and fastened through the bolt insertion holes 10, 10 of the horizontal plate 9.
Finally, the knock pin is pulled out from the knock hole 13 of the electrode body 5 and the knock hole 11 of the second horizontal plate 9.

In mounting the electrode body 5 using such a mounting jig 6, the second horizontal plate 9 that is the electrode mounting surface of the mounting jig 6 is the head 4 that is the mounting location of the electric discharge machine A, and the Since there is a sufficient space for the operator's hand to enter between the horizontal plate 7 and the horizontal plate 7 below by a predetermined distance, positioning by a knock pin is performed by inserting a knock pin into the knock hole 11 of the second horizontal plate 9. , Bolt insertion hole of the second horizontal plate 9
The bolt 14 can be easily screwed and fastened by passing the fastening bolt 14 through the bolt 10. As a result, the above-mentioned electrode body 5
Combined with the simplification of the positioning operation, the mounting work can be further facilitated and made more efficient. Further, since the second horizontal plate 9 of the mounting jig 6 is provided with a plurality of sets of knock holes 11 and bolt insertion holes 10 in two rows for each set, the electrode body 5
The mounting position of the electrode body 5 in the column direction can be changed to change the immersion position of the electrode body 5 in the liquid tank 1, and the usability can be improved.

FIGS. 4 and 5 show a second embodiment of the present invention, which is applied to a structure for mounting an electrode material on an NC milling machine B which is an electrode processing machine. The NC milling machine B is for milling the electrode material 20 to form the electrode body 5 having the predetermined shape described in the case of the first embodiment.
In the drawing, the shape after the electrode material 20 is processed, that is, the shape of the electrode body 5 is shown.

Two electrode materials 5, 5 are mounted on the processing table 21 of the NC milling machine B via a mounting jig 22. As shown in detail in FIGS. 6 and 7, the mounting jig 22 is formed by continuously forming a horizontal electrode mounting surface 22a on which the electrode materials 5, 5 are mounted and both ends of the electrode mounting surface 22a. The legs 22b and 22b each have an L-shaped cross section. Each of the leg portions 22b is formed with a plurality of locking grooves 24, 24 ... For locking a bolt 23 for fixing to the processing table 21. The electrode mounting surface 22a,
It is located a predetermined distance above the machining table 21 where the NC milling machine B is attached. Further, the electrode mounting surface 22a, a plurality of bolt insertion holes 25, 2 in the longitudinal direction thereof.
.. are formed in a row at predetermined intervals, and two small knock holes 26, 26 are formed between the bolt insertion holes 25, 25 adjacent to each other. The pitches of the bolt insertion holes 25, 25 and the knock holes 26, 26 are set so that the bolt insertion holes 10, 10 formed in the second horizontal plate 10 of the mounting jig 6 and the knocks of the knock holes 26, 26 are in the first embodiment. It is the same as that between holes 11 and 11. Further, although not shown, two screw holes and two knock holes are provided on the back surface of the electrode material 20 as in the case of the electrode body 5 (see FIG. 3).

The electrode material 20 is the electrode mounting surface 22a of the mounting jig 22.
, A knock pin (not shown) is inserted into the knock hole of the electrode material 20 from the knock hole 26 of the mounting jig 22 (electrode mounting surface 22a) and positioned, and the fastening bolt 27 is attached to the mounting jig 22.
It is attached by being screwed into the screw hole of the electrode material 20 through the bolt insertion hole 25 of. In addition, it is needless to say that such an attachment structure makes it possible to easily and surely perform three-dimensional positioning and attachment of the electrode material 20 as in the case of the first embodiment.

In the first and second embodiments, the present invention is separately applied to the case where the electrode body 5 is attached to the electric discharge machine A and the case where the electrode material 20 is attached to the NC milling machine (electrode machine) B, respectively. However, it may be applied simultaneously in both cases, and the electrode mounting structure may have the same configuration. In this case, NC milling machine B in a series of EDM line
Since the electrodes (electrode material 20 and electrode body 5) can be attached to the electric discharge machine A in the same procedure, the work efficiency can be further improved.

(Effect of the Invention) As described above, according to the electric discharge machining electrode mounting structure of the present invention, the electrode is provided with a knock pin on the horizontal electrode mounting surface of the mounting jig provided on the machining machine. Since the hole is inserted into the knock hole of the electrode for positioning, and the fastening bolt is screwed into the screw hole of the electrode through the bolt insertion hole of the mounting jig, accurate mounting of the electrode on the processing machine is facilitated. be able to. Moreover, since a plurality of sets of knock holes and bolt insertion holes are provided in a row on the electrode mounting surface of the mounting jig for each two groups, the electrode mounting position can be freely changed in the column direction. It is possible to improve usability.

In particular, if such an electrode mounting structure is applied to the case where the electrode material is attached to the electrode machining machine and the case where the electrode body is mounted to the electric discharge machine, the electrode mounting for both machines in a series of electric discharge machines is performed. Can be easily performed by the same procedure, and work efficiency can be improved.

[Brief description of drawings]

FIGS. 1 to 7 show an embodiment of the present invention. FIGS. 1 to 3 show the first embodiment, FIG. 1 is a front view of an electric discharge machine, and FIG. 2 is the same right side. FIG. 3 is a perspective view showing a state before the electrode body and the attachment jig are assembled. 4 to 7 show a second embodiment, FIG. 4 is a front view of an NC milling machine, FIG. 5 is a left side view of the same, FIG. 6 is a plan view of a mounting jig, and FIG. 7 is the same. It is a partial incision side view. 8th
FIG. 1 is a perspective view showing a conventional electrode body mounting structure. A ... EDM, 5 ... Electrode body, 6 ... Mounting jig, 9 ... Second
Horizontal plate (electrode mounting surface), 10 ... bolt insertion hole, 11 ... knock hole, 12 ... screw hole, 13 ... knock hole, 14 ... fastening bolt, B ...
NC milling machine (electrode processing machine), 20 ... electrode material, 22 ... mounting jig, 22a ... electrode mounting surface, 25 ... bolt insertion hole, 26 ... knock hole, 27 ... fastening bolt.

Claims (2)

[Scope of utility model registration request] 1. A mounting structure for mounting an electrode for electric discharge machining on a machining machine, wherein a mounting jig is mounted on the machining machine, and the mounting jig comprises:
It has a horizontal electrode mounting surface that is vertically spaced a prescribed distance from the mounting location of the processing machine.The electrode mounting surface of the mounting jig has a plurality of bolt insertion holes arranged in a row at predetermined intervals. And two knock holes are provided between the bolt insertion holes adjacent to each other, while screw holes and knocks are provided on the back surface of the electrode corresponding to the bolt insertion holes and the knock holes, respectively. Two holes are provided, and the electrode is positioned on the electrode mounting surface of the mounting jig by inserting two knock pins into the respective knock holes of the electrode from the knock holes of the mounting jig, and A mounting structure for an electric discharge machining electrode, wherein each fastening bolt is screwed into each screw hole of an electrode through a bolt insertion hole of a mounting jig. 2. A machining machine is an electrode machining machine for machining an electrode material into an electrode body having a predetermined shape and an electric discharge machine for mounting the electrode body to perform electric discharge machining. The electrodes are attached to both machining machines. The structure for mounting an electrode for electric discharge machining according to claim 1, which is the same.