JPH0634904Y2 - Electrolytic polishing equipment - Google Patents

Electrolytic polishing equipment

Info

Publication number
JPH0634904Y2
JPH0634904Y2 JP18008587U JP18008587U JPH0634904Y2 JP H0634904 Y2 JPH0634904 Y2 JP H0634904Y2 JP 18008587 U JP18008587 U JP 18008587U JP 18008587 U JP18008587 U JP 18008587U JP H0634904 Y2 JPH0634904 Y2 JP H0634904Y2
Authority
JP
Japan
Prior art keywords
work holder
metal tube
work
holder
electrolytic polishing
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 - Lifetime
Application number
JP18008587U
Other languages
Japanese (ja)
Other versions
JPH0184924U (en
Inventor
政彦 乾
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chuo Seisakusho KK
Original Assignee
Chuo Seisakusho KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chuo Seisakusho KK filed Critical Chuo Seisakusho KK
Priority to JP18008587U priority Critical patent/JPH0634904Y2/en
Publication of JPH0184924U publication Critical patent/JPH0184924U/ja
Application granted granted Critical
Publication of JPH0634904Y2 publication Critical patent/JPH0634904Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Description

【考案の詳細な説明】 (産業上の利用分野) 本考案は長尺の金属管内面を電解研摩する電解研摩装置
の改良に関するものである。
DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to an improved electrolytic polishing apparatus for electrolytically polishing the inner surface of a long metal tube.

(従来の技術) 従来のこの種電解研摩装置としては、ローラ上に金属管
を水平に支持して該ローラにより金属管を回転させつつ
金属管内に電解液を供給し、金属管内に挿入した電極を
進退動させながら電解研摩を行うものが知られている
(例えば特開昭61−204398号公報に記載のもの)。
(Prior Art) As a conventional electrolytic polishing apparatus of this kind, an electrode inserted into a metal tube by horizontally supporting a metal tube on a roller and supplying an electrolytic solution into the metal tube while rotating the metal tube by the roller. There is known one in which electrolytic polishing is performed while advancing and retreating (see, for example, JP-A-61-204398).

(考案が解決しようとする問題点) ところが、このような従来のものにあっては、金属管を
水平に支持するために電解研摩時に発生するガスが金属
管内から排気され難く、そのため、金属管内面に研摩斑
が生ずる問題がある。
(Problems to be solved by the invention) However, in such a conventional one, since the metal tube is supported horizontally, the gas generated during electrolytic polishing is difficult to be exhausted from the inside of the metal tube. There is a problem that abrasion marks occur on the surface.

(問題点を解決するための手段) 本考案は前記のような問題点を解決するためになされた
もので、傾斜基台の上下に駆動側のワークホルダと従動
側のワークホルダを対向して設け、両ワークホルダ間の
傾斜基台上にこれらのワークホルダによって傾斜状態に
支持された金属管への給電電極を兼ねるクランプ装置を
所要間隔をおいて適数個設けるとともに、金属管の内部
には平行溝を多数刻設した保持ローラを前後に設けた加
工電極を進退自在に挿通し、さらに、下方に位置するワ
ークホルダに電解液の流入口を、また上方に位置するワ
ークホルダに電解液の流出口を設けたことを特徴とする
ものである。
(Means for Solving Problems) The present invention has been made to solve the above problems, in which the work holder on the driving side and the work holder on the driven side are opposed to each other above and below the inclined base. Provided on the slanted base between both work holders, an appropriate number of clamp devices also functioning as power supply electrodes to the metal pipes supported in an inclined state by these work holders are arranged at required intervals and inside the metal pipes. Is a holding roller with a large number of parallel grooves engraved through a machining electrode that is placed forwards and backwards.In addition, an electrolyte inlet is placed in the lower work holder and an electrolyte is placed in the upper work holder. It is characterized by the provision of an outlet.

(実施例) 次に、本考案の実施例を図面に基づいて詳細に説明す
る。
(Example) Next, the Example of this invention is described in detail based on drawing.

第1図において、(1)は長手方向に傾斜させた傾斜基
台であり、該傾斜基台(1)の上方および下方には内面
を研摩される金属管(51)の両端を保持する駆動側のワ
ークホルダ(2)および従動側のワークホルダ(3)が
対向して設けられている。この駆動側のワークホルダ
(2)は第2図に示すように傾斜基台(1)に固定した
ケーシング(4)に金属管嵌挿用の駆動回転筒体(5)
を回転自在に軸支し、その基端周縁に駆動モータ(6)
からの回転力を伝達するスプロケット(7)を設けると
ともに、先端には金属管(51)を固定するためチャック
(8)を取付枠体(8a)をもって交換自在に設けたもの
である。また、従動側のワークホルダ(3)は傾斜基台
(1)の上面に設けたレール(9)に沿ってエアシリン
ダ(10)により前後に移動されるケーシング(11)に金
属管嵌挿用の従動回転筒体(12)を回転自在に軸支し、
その先端に金属管(51)を固定するためのチャック(1
3)を取付枠体(13a)をもって交換自在に設けたもので
ある。これらのワークホルダ(2)、(3)の駆動回転
筒体(5)と従動回転筒体(12)は夫々外筒体(5a)、
(12a)と内筒体(5b)、(12b)よりなるものとし、内
筒体(5b)、(12b)を交換自在なものとして内径の異
なる内筒体(5b)、(12b)を用意するとともにそれに
合致するチャック(8)、(13)を用意することにより
種々の外径の金属管の内面研摩を行うことができる構造
となっている。(14)は金属管内を進退動する加工電極
であり、該加工電極(14)は外周に平行溝(15)を多数
刻設した保持ローラ(16)、(16)を前後に設けたもの
で、前記した上方に位置する駆動側のワークホルダ
(2)の駆動回転筒体(5)の基端から挿通した絶縁被
覆した通電棒(17)の先端に取付けられ、該通電棒(1
7)の基端(17a)をモータ(8)により走行する走行チ
ェーン(19)に連結して該走行チェーン(19)の進退動
に伴って金属管内を進退動するものである。(20)は両
ワークホルダ(2)、(3)間の傾斜基台(1)上に所
要間隔をおいて適数個設置した金属管(51)を回転自在
に保持するためのクランプである。これらのクランプ
(20)は第3図、第4図に示すように基盤(21)に立設
した案内レール(22)、(22)に昇降ねじ(23)により
高さ調節自在に取付けた支持枠(24)に設けられた金属
管支持用の一対の支持ローラ(25)、(25)と、該案内
レール(22)、(22)の上端の天板(26)のエアシリン
ダー(27)により昇降自在に支持された回転自在な給電
電極を兼ねる一対の押えローラ(28)、(28)からなる
ものである。(29)は下方に位置する従動側のワークホ
ルダ(3)に設けた供給管(30)を介して電解液槽(3
1)から循環ポンプ(32)より送られる電解液の流入
口、(33)は上方に位置する駆動側のワークホルダ
(2)に設けた下方から金属管(51)内を流動してきた
電解液を排出するための流出口であり、該流出口(33)
はケーシング(4)に臨むように形成されて、流出口
(33)からケーシング(4)内に流れ出た電解液はケー
シング(4)に接続した返却管(34)を通って電解液槽
(31)に循環されるものである。なお(35)は整流器、
(36)は制御盤である。
In FIG. 1, (1) is an inclined base which is inclined in the longitudinal direction, and a drive for holding both ends of a metal pipe (51) whose inner surface is polished above and below the inclined base (1). The side work holder (2) and the driven side work holder (3) are provided so as to face each other. This drive-side work holder (2) has a driving rotary cylinder (5) for inserting a metal tube into a casing (4) fixed to an inclined base (1) as shown in FIG.
Is rotatably supported, and a drive motor (6) is attached to the peripheral edge of the base end.
A sprocket (7) for transmitting the rotational force from the is provided, and a chuck (8) for fixing the metal tube (51) is provided at the tip end with a mounting frame body (8a) in an exchangeable manner. Further, the work holder (3) on the driven side is for inserting a metal tube into a casing (11) which is moved back and forth by an air cylinder (10) along a rail (9) provided on the upper surface of the inclined base (1). The driven rotary cylinder (12) of which is rotatably supported.
Chuck (1) for fixing the metal tube (51) to its tip
3) is provided so that it can be exchanged with the mounting frame (13a). The driving rotary cylinder (5) and the driven rotary cylinder (12) of these work holders (2) and (3) are respectively an outer cylinder (5a),
(12a) and inner cylinders (5b), (12b), and inner cylinders (5b), (12b) with interchangeable inner cylinders (5b), (12b) are available. In addition, by preparing chucks (8) and (13) that match the above, the inner surface of metal pipes of various outer diameters can be polished. (14) is a machining electrode that moves back and forth in the metal tube, and the machining electrode (14) is provided with front and rear holding rollers (16) and (16) with a large number of parallel grooves (15) formed on the outer circumference. , Which is attached to the tip of an insulating coated current-carrying rod (17) inserted from the base end of the driving rotary cylinder (5) of the above-mentioned drive-side work holder (2) located above the current-carrying rod (1).
The base end (17a) of 7) is connected to a traveling chain (19) traveling by a motor (8) and is moved back and forth in the metal pipe as the traveling chain (19) moves forward and backward. Reference numeral (20) is a clamp for rotatably holding a suitable number of metal pipes (51) installed on the inclined base (1) between the work holders (2) and (3) at a required interval. . As shown in FIGS. 3 and 4, these clamps (20) are supported by guide rails (22) and (22) which are erected on a base (21) so that their heights can be adjusted by lifting screws (23). A pair of support rollers (25) and (25) for supporting the metal tube provided on the frame (24) and an air cylinder (27) of the top plate (26) at the upper ends of the guide rails (22) and (22). It is composed of a pair of pressing rollers (28) and (28), which are also supported by means of a roller so as to be able to move up and down. (29) is an electrolytic solution tank (3) via a supply pipe (30) provided in a work holder (3) on the driven side located below.
The inlet for the electrolytic solution sent from the circulation pump (32) from the (1), the electrolytic solution (33) flowing in the metal pipe (51) from below provided in the drive-side work holder (2) located above. And an outlet (33) for discharging the
Is formed so as to face the casing (4), and the electrolytic solution flowing out of the outlet (33) into the casing (4) passes through the return pipe (34) connected to the casing (4) and the electrolytic solution tank (31 ). (35) is a rectifier,
(36) is a control panel.

(作用) このように構成されたものは、金属管(51)の両端を駆
動側のワークホルダ(2)と従動側のワークホルダ
(3)に固定して金属管(51)を斜めにセットするとと
もに、傾斜基台(1)上に所要間隔をおいて適数個設け
たクランプ装置(20)の一対の支持ローラ(25)、(2
5)に金属管(51)の中間部を支持させたうえ、ワーク
への給電電極を兼ねる一対の押えローラ(28)、(28)
を下降させて金属管(51)をクランプする。次に、加工
電極(14)を金属管(51)の内部に挿入る。この状態で
循環ポンプ(32)によって電解液を下方に位置する従動
側のワークホルダ(3)の流入口(29)から供給すると
ともに上方に位置する駆動側のワークホルダ(2)の駆
動回転筒体(5)を駆動源であるモータ(6)により回
転させ、金属管(51)を回転させる。これとともに加工
電極(14)を移動させながら直流電源から加工電極(1
4)と金属管(51)の間に金属管(51)をプラスとして
直流電流を印加すれば、金属管(51)の内面は加工電極
(14)の移動により順次全長にわたり電解研摩されるも
のである。
(Operation) In the structure as described above, both ends of the metal tube (51) are fixed to the drive side work holder (2) and the driven side work holder (3), and the metal tube (51) is set obliquely. In addition, a pair of supporting rollers (25), (2) of the clamp device (20) provided on the inclined base (1) at an appropriate number with a required interval.
A pair of pressing rollers (28), (28), which support the middle part of the metal tube (51) on 5) and also serve as a power supply electrode for the work.
And clamp the metal tube (51). Next, the processing electrode (14) is inserted inside the metal tube (51). In this state, the circulation pump (32) supplies the electrolytic solution from the inlet (29) of the driven-side work holder (3) located below and the driving rotary cylinder of the driving-side work holder (2) located above. The body (5) is rotated by a motor (6) which is a drive source, and the metal tube (51) is rotated. While moving the machining electrode (14) along with this, the machining electrode (1
If a direct current is applied between the metal pipe (51) and the metal pipe (51) as a plus between the metal pipe (51) and the metal pipe (51), the inner surface of the metal pipe (51) is sequentially electropolished over the entire length by the movement of the machining electrode (14). Is.

本考案によれば金属管(51)はその両端を上方に位置さ
せた駆動側のワークホルダ(2)と下方に位置させた従
動側のワークホルダ(3)にセットされて傾斜した状態
であるので、電解液は下方の従動ワークホルダ(3)の
流入口(29)から供給されて金属管(51)内に充満する
ものであり、また、電解研摩により発生するガスは上方
に速やかに排気されるので電解液の不足による研摩斑が
生ずることはない。また金属管(51)の中間はクランプ
装置(20)の回転自在な一対の支持ローラ(25)、(2
5)と回転自在な一対の押えローラ(28)、(28)によ
り四方を保持されているので、金属管(51)が長尺のも
のであっても回転により撓むことがないものであり、さ
らに上方に位置する駆動側のワークホルダ(2)の基端
から進退自在に挿通した通電棒(17)の先端に取付けた
加工電極(14)は電解液を流通させる平行溝(15)を多
数刻設した保持ローラ(16)、(16)を前後に設けたも
のであるので、加工電極(14)を長いものとしても傾斜
した金属管(51)内で撓むことなく加工電極(14)と金
属管(51)内面との間を均一の間隔をもって移動させる
ことができ、研摩斑の生ずる虞れはないものである。ま
た、クランプ装置(20)の一対の押えローラ(28)、
(28)は昇降自在としたものであるので金属管(51)の
取付け、取外しは押えローラ(28)、(28)を上昇すれ
ばよく容易に行うことができるうえ、この押えローラ
(28)、(28)は給電電極を兼ねているので金属管(5
1)への給電が安定して行われ、加工電極(14)の移動
に伴う電流の変動もほとんどないものとなる。
According to the present invention, the metal pipe (51) is set in the driving side work holder (2) whose both ends are located above and the driven side work holder (3) located below and is inclined. Therefore, the electrolytic solution is supplied from the inflow port (29) of the driven work holder (3) below and fills the metal pipe (51), and the gas generated by electrolytic polishing is quickly exhausted upward. As a result, there is no occurrence of polishing spots due to lack of electrolyte. The middle of the metal tube (51) is a pair of rotatable support rollers (25), (2) of the clamp device (20).
5) and a pair of rotatable presser rollers (28), (28) hold the four sides, so even if the metal tube (51) is long, it will not bend due to rotation. , The machining electrode (14) attached to the tip of the current-carrying rod (17) which is inserted forward and backward from the base end of the work-side work holder (2) located further above has a parallel groove (15) through which the electrolytic solution flows. Since a large number of engraved holding rollers (16), (16) are provided in the front and rear, even if the machining electrode (14) is long, the machining electrode (14) does not bend in the inclined metal tube (51). ) And the inner surface of the metal tube (51) can be moved at a uniform interval, and there is no risk of polishing spots. In addition, a pair of presser rollers (28) of the clamp device (20),
Since (28) can be moved up and down, the metal tube (51) can be attached and detached easily by raising the presser rollers (28), (28) and also the presser roller (28). , (28) also serves as a power supply electrode, so a metal tube (5
Power is stably supplied to 1), and there is almost no fluctuation in current due to movement of the machining electrode (14).

(考案の効果) 本考案は以上の説明によって明らかなように、金属管を
傾斜させて電解研摩を行うものであるので、下方から供
給される電解液は金属管内に確実に充満されるうえ、発
生するガスは上方へ速やかに排気されるので研摩斑が生
ずる虞れはないものである。よって本考案は従来のこの
種電解研摩装置の問題点を一掃したものとして実用的価
値極めて大なものである。
(Effect of the Invention) As is clear from the above description, the present invention tilts the metal tube to perform electrolytic polishing, so that the electrolytic solution supplied from below surely fills the metal tube. Since the generated gas is quickly exhausted upward, there is no risk of polishing spots. Therefore, the present invention is of great practical value as it eliminates the problems of the conventional electrolytic polishing apparatus of this kind.

【図面の簡単な説明】[Brief description of drawings]

第1図は本考案の実施例を示す正面図、第2図は駆動ワ
ークホルダと従動ワークホルダを示す断面図、第3図は
クランプ装置を示す側面図、第4図はクランプ装置を示
す一部切欠正面図、第5図は加工電極を示す一部切欠正
面図、第6図は第5図のA−A断面図である。 (1):傾斜基台、(2):ワークホルダ、(3):ワ
ークホルダ、(14):加工電極、(15):平行溝、(1
6):保持ローラ、(20):クランプ装置、(29):流
入口、(33):流出口、(51):金属管。
1 is a front view showing an embodiment of the present invention, FIG. 2 is a sectional view showing a driving work holder and a driven work holder, FIG. 3 is a side view showing a clamp device, and FIG. 4 is a view showing the clamp device. Partial cutaway front view, FIG. 5 is a partial cutaway front view showing a machining electrode, and FIG. 6 is a sectional view taken along line AA of FIG. (1): inclined base, (2): work holder, (3): work holder, (14): machining electrode, (15): parallel groove, (1
6): Holding roller, (20): Clamping device, (29): Inlet, (33): Outlet, (51): Metal tube.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 【請求項1】傾斜基台(1)の上下に駆動側のワークホ
ルダ(2)と従動側のワークホルダ(3)を対向して設
け、両ワークホルダ(2)、(3)間の傾斜基台(1)
上にこれらのワークホルダ(2)、(3)によって傾斜
状態に支持された金属管(51)への給電電極を兼ねるク
ランプ装置(20)を所要間隔をおいて適数個設けるとと
もに、金属管(51)の内部には平行溝(15)を多数刻設
した保持ローラ(16)、(16)を前後に設けた加工電極
(14)を進退自在に挿通し、さらに、下方に位置するワ
ークホルダ(3)に電解液の流入口(29)を、また上方
に位置するワークホルダ(2)に電解液の流出口(33)
を設けたことを特徴とする電解研摩装置。
1. A tilt between a work holder (2) on the driving side and a work holder (3) on the driven side provided on the upper and lower sides of an inclined base (1) so as to face each other. Base (1)
An appropriate number of clamp devices (20), which also serve as power supply electrodes to the metal pipe (51) supported in an inclined state by these work holders (2) and (3), are provided at required intervals, and the metal pipe is also provided. A holding roller (16) having a large number of parallel grooves (15) engraved inside the (51) and a machining electrode (14) provided with a front and a rear of the (16) are inserted through the work roller (14) so as to move back and forth. The holder (3) is provided with an electrolyte inlet (29), and the work holder (2) located above is provided with an electrolyte outlet (33).
An electrolytic polishing apparatus characterized by being provided with.
JP18008587U 1987-11-26 1987-11-26 Electrolytic polishing equipment Expired - Lifetime JPH0634904Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18008587U JPH0634904Y2 (en) 1987-11-26 1987-11-26 Electrolytic polishing equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18008587U JPH0634904Y2 (en) 1987-11-26 1987-11-26 Electrolytic polishing equipment

Publications (2)

Publication Number Publication Date
JPH0184924U JPH0184924U (en) 1989-06-06
JPH0634904Y2 true JPH0634904Y2 (en) 1994-09-14

Family

ID=31471617

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18008587U Expired - Lifetime JPH0634904Y2 (en) 1987-11-26 1987-11-26 Electrolytic polishing equipment

Country Status (1)

Country Link
JP (1) JPH0634904Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220088076A (en) * 2020-12-18 2022-06-27 주식회사 아스플로 Electrolytic polishing device and electrolytic polishing method for metal pipes to be polished

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100941649B1 (en) * 2008-03-12 2010-02-11 발렉스코리아 주식회사 Slope type electro polishing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220088076A (en) * 2020-12-18 2022-06-27 주식회사 아스플로 Electrolytic polishing device and electrolytic polishing method for metal pipes to be polished

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JPH0184924U (en) 1989-06-06

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