JPH0430911A - Electric discharge machine - Google Patents

Abstract

PURPOSE:To maintain the waterproofness and accuracy at a high level by fixing a base on a freely movable table body, fixing a work base on this base, fixing the bottom section of a machining tank on the table body by means of a fixing ring, and securing seal members between the base and fixing ring and between the table body and fixing ring. CONSTITUTION:A base 43 is fixed on a freely movable table body 11, and a work base 49 provided with a work table 53 is fixed to the base 43. The bottom section of a machining tank 13 is placed on the table body 11, and the machining tank 13 is fixed to the table body 11 by fixing ring 57 from upper section. However, sealing members 47, 61, and 63 are secured between the base 43 and fixing ring 57 and between table body 11 and fixing ring 57 respectively. Owing to this constitution, the waterproofness is improved and the accuracy can easily be maintained at a high level.

Description

[Detailed Description of the Invention] [Object of the Invention] (Industrial Application Field) The present invention relates to an electrical discharge machine, and more specifically, to a table body that fixes a work base with a work table and a machining tank. This invention relates to an electrical discharge machine with improved fixing means.

(Prior art) Conventionally, in electrical discharge machines, a machining tank for storing machining fluid and a work base equipped with a work table are fixed to the table body independently, or the machining tank and work base are fixed to each other independently. are fastened together.

(Problems to be Solved by the Invention) By the way, both of the above-mentioned conventional means for fixing each member independently or means for fixing together by joint tightening have drawbacks in terms of waterproofness and precision maintenance.

The purpose of this invention is to improve the above-mentioned problems by providing an electric discharge machine in which a work base equipped with a machining tank and a work table is fixed to the table body so as to improve waterproofness and easily maintain precision. It is about providing.

Y Configuration of the Invention] (Means for Solving the Problems) In order to achieve the above object, the present invention provides a work base in which a base is fixed on a movable table body and a work table is provided on the base. The bottom of the machining tank that stores the machining fluid on the table body is fixed with a ring, and a sealing member is installed between the base and the mounting ring and between the table body and the mounting ring, and the electric discharge machine is operated. Configured.

(Function) By employing the electric discharge machine of the present invention, a base is fixed on a movable table main body, and a work base including a work table is fixed on this base. Further, the bottom of the processing tank is placed on the table main body, and the processing tank is fixed onto the table main body from above using a ring. Moreover, since a sealing member is installed between the base and the mounting ring and between the table main body and the mounting ring, waterproofness is enhanced and precision maintenance is facilitated.

(Example) Hereinafter, an example of the present invention will be described in detail based on the drawings.

Referring to FIG. 3, for example, a wire-cut electric discharge machine 1 as an electric discharge machine includes a machining fluid receiver 5 on a base 3 and a column 7.

A movable table body 11 equipped with a work table device 9 that fixedly supports the workpiece W is supported above the machining liquid receiver 5 so as to be able to move two-dimensionally in the X-axis direction and the Y-axis direction. . Moreover, a machining tank 13 that surrounds the work clamp device 9 and stores machining fluid is provided in the table main body 1.
It is provided on 1.

An upper arm 15 is attached to the upper side of the column 7, and a slide 17 that moves up and down is attached to the tip of the upper arm 15 so as to be able to adjust its vertical position. An upper nozzle holder 19 is attached to the lower end of the slide 17, and an upper machining fluid supply nozzle 21 is attached to this upper nozzle holder 19.

Additionally, an upper arm 15 is provided on the side near the bottom of the column 7.
The lower arm 23 is attached parallel to the lower arm 23.

At the tip of the lower arm 23, there is an upper machining liquid supply nozzle 2.
A lower machining liquid supply nozzle 25 is mounted opposite to the lower nozzle holder 27 via a lower nozzle holder 27. The machining fluid supply nozzle 21 and the lower machining fluid supply nozzle 25 serve to spray and supply machining fluid such as distilled water to the electrical discharge machining section of the workpiece W, and also to guide and hold the wire 29 as an electrode. .

A supply reel 31 is rotatably mounted on the top of the column 7 to continuously supply fine wire 29 to the electrical discharge machining section. A winding device 33 for winding the wire 29 is provided below the supply reel 31 .

The two wires from the supply reel 31 pass through a plurality of rotatable upper guide rollers 35 provided from the column 7 to the upper nozzle holder 19, and reach the upper machining liquid supply nozzle 21. From there, it passes through the electrical discharge machining section of the workpiece W to the lower machining fluid supply nozzle 25.
It has reached this point.

Further, the wire 29 is connected to a plurality of rotatable lower guide rollers 37 provided extending from the column 7 to the lower nostle holder 27 and a plurality of delivery rollers that send the wire 29 to the winding device 33 at a constant speed with the wire 29 sandwiched between them. 39, and is wound up by the winding device 3B. The winding device 33 extends to the left side of the base 3 in FIG. 3, and a collection box 41 for collecting the coiled wire 29A that has been wound downward is installed.

A work table device and a processing tank 13 are provided on the table body 11. More specifically, as shown in FIGS. 1 and 2, a cylindrical base 43 is fixed onto the table main body 11 by a plurality of bolts 45, for example, two bolts 45. In addition, a rectangular prism-shaped work base 49, which is a part of the work table device 9, is fixed onto the base 43 by a plurality of bolts 51, for example, four, via an zero leg 47 as a sealing member. A work table 53 on which a work piece W is placed and supported is provided on the upper part of the work base 49.

On the table main body 11, an insulator 55 is provided on the outer periphery of the base 43, and a processing tank 13 is provided on the insulator 55. 13 is installed from above using a plurality of bolts, for example, six bolts 59 via a ring 57.
A processing tank 13 is fixed to the table main body 11.

An O-ring 61 as a sealing member is installed between the base 43 and the mounting ring 57, and an O-ring 63 is installed between the processed layer 13 and the mounting ring 57. A cap 65 is provided on the top of the bolt 59.
It is covered with water so it has no waterproof effect.

With the above configuration, since the O-ring 47 is installed between the base 43 and the work base 49, there is a waterproof effect.

In addition, the base 43, the mounting ring 57, and the mounting ring 5
Since the O-rings 61 and 63 are installed between the base 43 and the processing tank 13, water leakage from the base 43 and the bottom of the processing tank 13 can be prevented.

Further, by fixing the work base 49, processing tank 13, and base 43 on the table body 11 using a ring 57, accuracy can be easily maintained.

Note that this invention is not limited to the embodiments described above, and can be implemented in other forms by making appropriate changes.

[Effects of the Invention] As can be understood from the above description of the embodiments, according to the present invention, a base is fixed on a movable table body, and a work base including a work table is fixed on this base. be done. Further, the bottom of the processing tank is placed on the table main body, and the processing tank is fixed onto the table main body from above using a ring. Moreover, since a sealing member is installed between the base and the mounting ring and between the table body and the mounting ring, waterproofness can be improved and accuracy can be easily maintained.

[Brief explanation of the drawing]

FIG. 1 shows the main parts of this invention, and is an enlarged detailed view of the I arrow section in FIG. 3, FIG. 2 is a view taken along the line ■-■ in FIG. 1, and FIG. 1 is a front view of a wire-cut electrical discharge machine that performs 1... Wire cut electric discharge machine 9... Work table device 11... Table body 13... Machining If 43... Base 45.51.
59... Bolts 47.61.63... 4 O-rings... Work base 53... Work table 5
7...Installation is done by Ring agent, patent attorney Hide Miyoshi Japanese twin wire Kabuto electrical discharge machine 9--Work table device 1 Toe pull body 13...Machining tank 43--Base 45.51.59 Bolts 47.61 .63・0 Renog 49・・Work base 53・Work table 57・・
Attach the ring as shown in Figure 1 and Figure 2.

Claims (1)

[Claims] A base is fixed on a movable table body, a work base with a work table is fixed on this base,
An electric discharge machine characterized in that a bottom part of a machining tank for storing machining fluid on the table body is fixed by a mounting ring, and a sealing member is installed between the base and the mounting ring and between the table body and the mounting ring.