JPH0688173B2 - Electric discharge machine - Google Patents
Electric discharge machineInfo
- Publication number
- JPH0688173B2 JPH0688173B2 JP63285864A JP28586488A JPH0688173B2 JP H0688173 B2 JPH0688173 B2 JP H0688173B2 JP 63285864 A JP63285864 A JP 63285864A JP 28586488 A JP28586488 A JP 28586488A JP H0688173 B2 JPH0688173 B2 JP H0688173B2
- Authority
- JP
- Japan
- Prior art keywords
- door
- side wall
- opening
- inner door
- outer door
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Description
【発明の詳細な説明】 ［産業上の利用分野］ 本発明は、放電加工装置に係り、更に詳しくは加工槽の
自動開閉装置に関するものである。TECHNICAL FIELD The present invention relates to an electric discharge machining apparatus, and more particularly to an automatic opening / closing apparatus for a machining tank.
［従来の技術］ 第７図は従来の放電加工装置に使用されている加工槽の
一例を示す斜視図である。図において、（１）は加工
槽、（２）は前扉で、ヒンジ（３）を介して加工槽
（１）に取付けられている。（４）は前扉（２）に取付
けられたクランプ金具、（５）は横扉で、ヒンジ（３）
を介して加工槽（１）に取付けられている。（６）は横
扉（５）に取付けられたフックである。[Prior Art] FIG. 7 is a perspective view showing an example of a machining tank used in a conventional electric discharge machine. In the figure, (1) is a processing tank, and (2) is a front door, which is attached to the processing tank (1) via a hinge (3). (4) is a clamp fitting attached to the front door (2), (5) is a side door, and a hinge (3)
It is attached to the processing tank (1) via. (6) is a hook attached to the side door (5).
次にこの作用について説明する。加工槽（１）に被加工
物（図示せず）を出し入れする場合は、フック（６）と
クランプ金具（４）の結合をはずし、前扉（２）と横扉
（５）とを夫々ヒンジ（３）を支軸に旋回させ、これに
よって加工槽（１）の前面及び側面を開放状態にする。
被加工物の出し入れ作業が終了したら、前扉（２）と横
扉（５）を組合せ、クランプ金具（４）とフック（６）
を結合する。Next, this operation will be described. When a workpiece (not shown) is taken in and out of the processing tank (1), the hook (6) and the clamp metal fitting (4) are disconnected, and the front door (2) and the side door (5) are hinged respectively. (3) is swung around the spindle, whereby the front and side surfaces of the processing tank (1) are opened.
After the work is taken in and out, the front door (2) and the side door (5) are combined, the clamp metal fitting (4) and the hook (6) are combined.
To join.
［発明が解決しようとする課題］ 上記のような従来の放電加工装置では、加工槽の前扉
（２）、横扉（５）を開閉するにはすべて人手により行
なわなければならないので、被加工物を搬出入する場合
の自動化上の障害となっていた。[Problems to be Solved by the Invention] In the conventional electric discharge machining apparatus as described above, it is necessary to manually open and close the front door (2) and the lateral door (5) of the machining tank. It was an obstacle to automation when loading and unloading items.
本発明は、かかる問題点を解決するためになされたもの
で、自動的に開閉する扉を有する加工槽を備えた放電加
工装置を得ることを目的とする。The present invention has been made to solve such a problem, and an object thereof is to obtain an electric discharge machining apparatus including a machining tank having a door that automatically opens and closes.
［課題を解決するための手段］ 本発明に係る放電加工装置は、側壁に開口部を有する加
工槽と、該加工槽の前記開口部に対向して配置された外
扉と、該外扉を保持すると共に、前記開口部を有する側
壁に沿って案内するガイド部材と、前記外扉の内側に前
記開口部を閉塞可能に設置されると共に、前記開口部を
有する側壁面に対して垂直方向に移動可能に取り付けら
れた内扉と、該内扉の内側周縁に設置され、前記内扉と
前記開口部を有する側壁面との隙間を密閉するシール部
材と、前記外扉を前記開口部を有する側壁に沿って駆動
する第１の駆動手段と、前記内扉の閉塞時に該内扉を前
記側壁面側に移動して前記シール部材を前記側壁面に押
圧し、前記内扉の開放時には該内扉を前記外扉側に移動
して前記シール部材の前記側壁面に対する押圧を解除す
る第２の駆動手段とを備えたものである。[Means for Solving the Problems] An electric discharge machining apparatus according to the present invention includes a machining tank having an opening on a side wall, an outer door arranged to face the opening of the machining tank, and the outer door. A guide member that holds and guides along the side wall having the opening, and is installed inside the outer door so as to be able to close the opening, and in a direction perpendicular to the side wall surface having the opening. The inner door movably attached to the inner door, a seal member installed on an inner peripheral edge of the inner door to seal a gap between the inner door and a side wall surface having the opening, and the outer door having the opening. First driving means for driving along the side wall, and when the inner door is closed, the inner door is moved to the side wall surface side to press the seal member against the side wall surface, and when the inner door is opened, the inner door is opened. Move the door to the outer door side to the side wall surface of the seal member The second drive means for releasing the pressing is provided.
［作用］ 上記のように構成された放電加工装置において扉の開閉
時に、第１の駆動手段が外扉を開口部を有する側壁に沿
って駆動する。また、第２の駆動手段が内扉の閉塞時に
該内扉を側壁面側に移動してシール部材を側壁面に押圧
し、内扉の開放時には該内扉を外扉側に移動してシール
部材の側壁面に対する押圧を解除する。[Operation] In the electric discharge machining apparatus configured as described above, the first driving means drives the outer door along the side wall having the opening when the door is opened and closed. The second drive means moves the inner door to the side wall surface side to press the seal member against the side wall surface when the inner door is closed, and moves the inner door to the outer door side to seal the inner door when the inner door is opened. The pressure on the side wall surface of the member is released.
［実施例］ 第１図は本発明の一実施例の全体構成を示す斜視図、第
２図は第１図の矢印（Ｅ）より見た正面図、第３図は第
２図のＡ−Ａ断面図、第４図は第２図のＢ−Ｂ断面図で
ある。図において、（11）は外扉で、取付板（12），
（13）によりスライドシリンダ（14）のロッド（14a）
とスライドガイド（15）とに連結され加工槽（１）の開
口部（1a）の面に沿って摺動するようになっている。ス
ライドガイド（15）は水平方向にスライド可能な機構を
有するガイドであって、他方の側は取付板（16）を介し
て加工槽（１）に連結されている。（14）はスライドシ
リンダで、取付板（16）を介して加工槽（１）に一体的
に取付けられている。（17）はガイドローラで、外扉
（11）の摺動をガイドするものである。（18）は内扉
で、四隅にはプッシュシリンダー（19）が配置されてお
り、これによって加工槽（１）に押圧されて開口部（1
a）を閉塞するようになっている。[Embodiment] FIG. 1 is a perspective view showing the overall structure of an embodiment of the present invention, FIG. 2 is a front view seen from the arrow (E) in FIG. 1, and FIG. 3 is A- in FIG. A sectional view and FIG. 4 are sectional views taken along the line BB in FIG. In the figure, (11) is an outer door, and mounting plates (12),
Slide rod (14a) of slide cylinder (14) by (13)
And a slide guide (15) so as to slide along the surface of the opening (1a) of the processing tank (1). The slide guide (15) is a guide having a mechanism capable of sliding in the horizontal direction, and the other side is connected to the processing tank (1) via a mounting plate (16). Reference numeral (14) is a slide cylinder, which is integrally attached to the processing tank (1) via a mounting plate (16). Reference numeral (17) is a guide roller for guiding the sliding movement of the outer door (11). (18) is an inner door, and push cylinders (19) are arranged at the four corners, whereby the push tank (1) presses the opening (1).
It is designed to block a).
（20）は外扉（11）に取付けられたガイドピンで、圧縮
バネ（21）に遊嵌し内扉（18）の動きの案内をする。圧
縮バネ（21）は、内扉（18）を加工槽（１）と反対方向
へ引き離し外側（11）側へ付勢している。（22）は内扉
（18）に取付けられたガイド板、（23）は押え板で、外
扉（11）に固着され圧縮バネ（21）を介して内扉（18）
を外扉（11）へ押圧している。（24）は加工液をシール
するパッキング、（25）は外扉（11）を固定するストッ
パで、加工槽（１）の前部に取付けられている。（26）
は加工槽（１）の後部に取付けられたストッパで、外扉
（11）に取付けられている当金（27）に係合して外扉
（11）を加工槽（１）に固定する。（28）は内扉（18）
の動きを確認するリミットスイッチである。Reference numeral (20) is a guide pin attached to the outer door (11) and loosely fits into the compression spring (21) to guide the movement of the inner door (18). The compression spring (21) separates the inner door (18) in the opposite direction to the processing tank (1) and urges it toward the outer side (11). (22) is a guide plate attached to the inner door (18), and (23) is a retainer plate, which is fixed to the outer door (11) via the compression spring (21) to the inner door (18).
Is pressed against the outer door (11). (24) is a packing for sealing the working liquid, and (25) is a stopper for fixing the outer door (11), which is attached to the front part of the working tank (1). (26)
Is a stopper attached to the rear part of the processing tank (1) and engages with a metal plate (27) attached to the outer door (11) to fix the outer door (11) to the processing tank (1). (28) is the inner door (18)
This is a limit switch that confirms the movement of the.
次のこの作用を説明する。第２図に示す矢印（Ｃ）の方
向へ外扉（11）を移動し、被加工物を加工槽（１）に搬
入するには、まず、プッシュシリンダ（19）の圧縮空気
を止めると、第４図に示すように圧縮バネ（21）の弾力
によって内扉（18）は矢印（Ｄ）方向へ移動し、加工槽
（１）から分離する。これをリミットスイッチ（28）に
より検知する。ついでスライドシリンダ（14）へ供給し
ていた圧縮空気の給排気弁を切りかえて、第２図矢印
（Ｃ）に示すように外扉（11）を移動させる。このとき
外扉（11）の下方はスライドガイド（15）、上方はガイ
ドローラ（17）によって夫々ガイドされ、スムーズな移
動が行なわれる。外扉（11）を反対方向に動かすには前
途と全く逆の手順に従えばよい。This operation will be described below. In order to move the outer door (11) in the direction of the arrow (C) shown in FIG. 2 and carry the workpiece into the processing tank (1), first, stop the compressed air in the push cylinder (19). As shown in FIG. 4, the inner door (18) moves in the direction of the arrow (D) by the elastic force of the compression spring (21) and separates from the processing tank (1). This is detected by the limit switch (28). Then, the compressed air supply / exhaust valve supplied to the slide cylinder (14) is switched, and the outer door (11) is moved as shown by an arrow (C) in FIG. At this time, the lower part of the outer door (11) is guided by the slide guide (15) and the upper part thereof is guided by the guide roller (17), so that smooth movement is performed. To move the outer door (11) in the opposite direction, follow the procedure exactly the reverse of the previous procedure.
第５図は、本発明の他の実施例を示すもので、（30）は
取付板（31）を介して外扉（11）の上部に設けられた発
光部、（32）はそのカバーである。（33）は取付板（3
4）を介して外扉（11）の上部に発光部（30）と対向し
て設けられ、発光部（30）からの光を感知する受光部、
（35）はそのカバーである 第６図は本発明のさらに他の実施例を示すもので、図中
（36），（37），（38）は外扉（11）に固定された複数
の発光部、（39），（40），（41）は発光部（36），
（37），（38）に対向して加工槽（１）に取付けられた
受光部である。FIG. 5 shows another embodiment of the present invention, in which (30) is a light emitting part provided on the upper part of the outer door (11) through the mounting plate (31), and (32) is its cover. is there. (33) is the mounting plate (3
A light receiving section which is provided above the outer door (11) via the 4) so as to face the light emitting section (30) and detects light from the light emitting section (30),
(35) is its cover FIG. 6 shows still another embodiment of the present invention. In the figure, (36), (37) and (38) are a plurality of fixed to the outer door (11). The light emitting parts (39), (40) and (41) are light emitting parts (36),
The light receiving portion is attached to the processing tank (1) so as to face (37) and (38).
次にこの作用を説明する。前述のように、外扉（11）が
開口部（1a）に沿って閉塞動作中に、開口部（1a）内に
被加工物又は作業員等が介在するようなことがあって、
第５図又は第６図に示す発光部（30），（36），（3
7），（38）より発せられる光がさえぎられ、これに対
向する受光部（33），（39），（40），（41）に光が感
知されなくなると、瞬時に制御手段（図示せず）に異状
が送信され、これを受けて制御手段から外扉（11）のス
ライドシリンダ（14）を停止させる指令が発信され、外
扉（11）は停止して介在物に対しての接触破損事故、障
害事故等の災害を未然に防止することが出来る。Next, this action will be described. As described above, during the closing operation of the outer door (11) along the opening (1a), a workpiece or a worker may be present in the opening (1a),
The light emitting parts (30), (36), (3 shown in FIG. 5 or FIG.
When the light emitted from 7) and (38) is blocked and the light is no longer sensed by the light receiving parts (33), (39), (40) and (41) facing it, the control means (not shown) is instantaneously displayed. The control means receives a command to stop the slide cylinder (14) of the outer door (11), and the outer door (11) stops and contacts the inclusion. It is possible to prevent accidents such as damage accidents and obstacle accidents.
なお、上述の実施例では駆動手段の各シリンダの駆動源
に空気を用いた場合を示したが、油圧、水圧等も利用で
きることは言うまでもない。In the above-described embodiment, the case where air is used as the drive source of each cylinder of the drive means is shown, but it goes without saying that hydraulic pressure, water pressure, etc. can also be used.
又、外扉の開閉の指令のためにNC制御装置を応用するこ
とも出来る。The NC controller can also be applied to command opening and closing of the outer door.
［発明の効果］ 以上のように本発明によれば、開口部を有する加工槽の
側壁に、内扉が取り付けられた外扉を開閉可能に設置
し、内扉を駆動装置によって駆動して前記開口部を閉塞
するようにしたので、加工槽の扉の開閉を自動化するこ
とができる。[Effects of the Invention] As described above, according to the present invention, an outer door having an inner door is installed on the side wall of a processing tank having an opening so as to be openable and closable, and the inner door is driven by a driving device. Since the opening is closed, the door of the processing tank can be automatically opened and closed.
また、内扉の開放時には、内扉を外扉側に移動してシー
ル部材の側壁面に対する押圧を解除するようにしたの
で、シール部材を破損することなく扉をスムーズに開放
することができる。Further, when the inner door is opened, the inner door is moved to the outer door side to release the pressure on the side wall surface of the seal member, so that the door can be smoothly opened without damaging the seal member.
また、被加工物の搬出入を行う開口部に介在物の有無を
感知して外扉の移動を停止させる制御機構を設けたこと
により、被加工物や作業員に外扉が接触したり挾圧する
等の事故を防止し一層安全確実な作業を行うことが出来
る。In addition, by providing a control mechanism that stops the movement of the outer door by detecting the presence of inclusions at the opening for loading and unloading the workpiece, the outer door may come into contact with the workpiece or a worker, and may be caught. Accidents such as pressure can be prevented and safer and more reliable work can be performed.
第１図は本発明の一実施例の全体構成を示す斜視図、第
２図は第１図の正面図、第３図は第２図のＡ−Ａ断面
図、第４図は第２図のＢ−Ｂ断面図、第５図、第６図は
本発明の他の実施例の構成図、第７図は従来の加工槽の
斜視図である。 図において、（１）は加工槽、（11）は外扉、（12），
（13）は取付板、（14）はスライドシリンダ、（14a）
はシリンダロッド、（15）はスライドガイド、（16）は
取付板、（17）はローラガイド、（18）は内扉、（19）
はプッシュシリンダ、（20）はガイドピン、（21）は圧
縮バネ、（22）はガイド板、（23）は押え板、（27）は
当て金、（30），（36），（37），（38）は発光部、
（33），（39），（40），（41）は受光部である。 なお図中、同一符号は同一又は相当部分を示す。FIG. 1 is a perspective view showing the overall construction of an embodiment of the present invention, FIG. 2 is a front view of FIG. 1, FIG. 3 is a sectional view taken along line AA of FIG. 2, and FIG. 4 is FIG. 5 is a cross-sectional view taken along the line BB of FIG. 5, FIG. 5 and FIG. 6 are configuration diagrams of another embodiment of the present invention, and FIG. 7 is a perspective view of a conventional processing tank. In the figure, (1) is a processing tank, (11) is an outer door, (12),
(13) is a mounting plate, (14) is a slide cylinder, (14a)
Is a cylinder rod, (15) is a slide guide, (16) is a mounting plate, (17) is a roller guide, (18) is an inner door, (19).
Is a push cylinder, (20) is a guide pin, (21) is a compression spring, (22) is a guide plate, (23) is a retainer plate, (27) is a pad, (30), (36), (37). , (38) is the light emitting part,
(33), (39), (40), and (41) are light receiving parts. In the drawings, the same reference numerals indicate the same or corresponding parts.
Claims (1)
って案内するガイド部材と、 前記外扉の内側に前記開口部を閉塞可能に設置されると
共に、前記開口部を有する側壁面に対して垂直方向に移
動可能に取り付けられた内扉と、 該内扉の内側周縁に設置され、前記内扉と前記開口部を
有する側壁面との隙間を密閉するシール部材と、 前記外扉を前記開口部を有する側壁に沿って駆動する第
１の駆動手段と、 前記内扉の閉塞時に該内扉を前記側壁面側に移動して前
記シール部材を前記側壁面に押圧し、前記内扉の開放時
には該内扉を前記外扉側に移動して前記シール部材の前
記側壁面に対する押圧を解除する第２の駆動手段とを備
えたことを特徴とする放電加工装置。1. A processing tank having an opening on a side wall, an outer door arranged to face the opening of the processing tank, and holding the outer door, along a side wall having the opening. A guide member for guiding, an inner door that is installed inside the outer door so as to be able to close the opening, and is attached so as to be movable in a vertical direction with respect to a side wall surface having the opening, the inner door A seal member that is installed on the inner peripheral edge of the inner door and seals a gap between the inner door and the side wall surface having the opening; and a first driving unit that drives the outer door along the side wall having the opening. When the inner door is closed, the inner door is moved to the side wall surface side to press the seal member against the side wall surface, and when the inner door is opened, the inner door is moved to the outer door side and the seal member. Second drive means for releasing the pressing force of the side wall surface against the side wall surface. Electric discharge machining apparatus according to claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63285864A JPH0688173B2 (en) | 1988-07-21 | 1988-11-14 | Electric discharge machine |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63-180202 | 1988-07-21 | ||
| JP18020288 | 1988-07-21 | ||
| JP63285864A JPH0688173B2 (en) | 1988-07-21 | 1988-11-14 | Electric discharge machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02124224A JPH02124224A (en) | 1990-05-11 |
| JPH0688173B2 true JPH0688173B2 (en) | 1994-11-09 |
Family
ID=26499824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63285864A Expired - Fee Related JPH0688173B2 (en) | 1988-07-21 | 1988-11-14 | Electric discharge machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0688173B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2266921B (en) * | 1992-05-15 | 1995-09-20 | Ona Electro Erosion | Electro-erosion machine having a door opening system |
| JP3589548B2 (en) * | 1997-04-23 | 2004-11-17 | 三菱電機株式会社 | Electric discharge machine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3303758A1 (en) * | 1983-02-04 | 1984-08-09 | Schiess Ag | SPARK EDM MACHINE |
| JPS6041970U (en) * | 1983-08-26 | 1985-03-25 | 株式会社 巴川製紙所 | Multicolor thermal recording peel label |
| JPH0418739Y2 (en) * | 1985-04-26 | 1992-04-27 | ||
| JPH0766061B2 (en) * | 1986-03-27 | 1995-07-19 | 三菱電機株式会社 | Accident prevention device for automatic doors |
-
1988
- 1988-11-14 JP JP63285864A patent/JPH0688173B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02124224A (en) | 1990-05-11 |
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