JPH0359160B2 - - Google Patents
Info
- Publication number
- JPH0359160B2 JPH0359160B2 JP61268378A JP26837886A JPH0359160B2 JP H0359160 B2 JPH0359160 B2 JP H0359160B2 JP 61268378 A JP61268378 A JP 61268378A JP 26837886 A JP26837886 A JP 26837886A JP H0359160 B2 JPH0359160 B2 JP H0359160B2
- Authority
- JP
- Japan
- Prior art keywords
- surface treatment
- workpiece
- electrolyte
- treatment chamber
- vacuum pump
- 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
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- Treatments Of Macromolecular Shaped Articles (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、金属等の加工物の表面処理方法に係
り、より詳細には、例えば、化学装置における
塔、槽類の内面を形成する大型部品等の金属、プ
ラスチツク等の表面の凹凸を電解処理するように
した金属等の表面処理方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method for surface treatment of a workpiece such as metal, and more specifically, for example, a method for treating the surface of a workpiece such as a metal, etc. The present invention relates to a method for surface treatment of metals such as parts, plastics, etc., in which unevenness on the surface of the metals is electrolytically treated.
化学装置等における塔、槽類は、内部に充填す
る薬品の侵食作用から該塔、槽類の内面を保護す
るために、該内面を鏡面状に仕上処理しておく必
要がある。そして、該処理方法としては、エメリ
ーバフ等による機械研磨、科学薬品による化学研
磨および電解研磨が知られている。しかし、該処
理方法の場合、いずれも小型部品の加工処理には
適しているものの大型部品の処理には、装置が大
きくなり、莫大な設備費等が必要で、コスト面に
おいて問題がある。
BACKGROUND OF THE INVENTION In order to protect the inner surfaces of towers and tanks in chemical equipment and the like from the corrosive action of chemicals filled inside, the inner surfaces of the towers and tanks need to be finished to a mirror-like finish. As the treatment method, mechanical polishing using an emery buff or the like, chemical polishing using chemicals, and electrolytic polishing are known. However, although these processing methods are suitable for processing small parts, processing of large parts requires large equipment and requires huge equipment costs, which poses problems in terms of cost.
そこで、かかる問題を解決した装置としては、
加工物表面に局所的処理室を形成し、該処理室を
電解液室とし、該処理室を相対的に移動させるよ
うにした構成の装置がある（実公昭39−12830号
公報参照）。そして、この装置によれば、大型部
品の電解研磨を比較的安価なコストで行なうこと
ができるという利点が認められる。 Therefore, as a device that solves this problem,
There is an apparatus in which a local processing chamber is formed on the surface of a workpiece, the processing chamber is used as an electrolyte chamber, and the processing chamber is relatively moved (see Japanese Utility Model Publication No. 12830/1983). This apparatus has the advantage that large parts can be electrolytically polished at a relatively low cost.
しかし、上述した加工物の表面処理装置の場
合、電解液が金属加工物表面に電解液が大量に留
まるので、該電解液量が多くなると共に、加工物
表面の相対的移動が難かしいという問題がある。
However, in the case of the above-mentioned workpiece surface treatment apparatus, a large amount of electrolyte remains on the surface of the metal workpiece, so the amount of electrolyte increases and there is a problem in that it is difficult to move the workpiece surface relative to another. There is.
本発明は、以上のような点に対処して創案した
ものであつて、その目的とする処は、少ない電解
液で、かつ移動を容易に行えるようにした加工物
の表面処理方法を提供することにある。 The present invention was devised in response to the above-mentioned problems, and its purpose is to provide a method for surface treatment of a workpiece that uses a small amount of electrolyte and allows for easy movement. There is a particular thing.
そして、上記目的を達成するための手段として
の本発明の加工物の表面処理方法は、電解液槽と
バキユームポンプおよび表面処理室とを有し、該
表面処理室を加工物表面とと接合する接合端部に
シール材を有する断面倒立凹状体よりなる壁体で
形成すると共に、該表面処理室に電解液を供給す
るための表面処理材供給口と該表面処理室内の表
面処理材を吸出するためのバキユームポンプ吸込
口を設け、該バキユームポンプ吸込口の先端部に
網状陰極部材を設け、加工物が電解液が介して陽
極となるように通電し、該電解液を加工物表面に
噴射し、上記壁体と加工物表面とを相対的に移動
させ、かつ該電極液を上記電解液槽とバキユーム
ポンプを介して表面処理室とバキユームポンプ吸
込口との間を循環させることにより加工物の表面
処理を行うようにした構成よりなる。
The method for surface treatment of a workpiece according to the present invention as a means for achieving the above object includes an electrolyte bath, a vacuum pump, and a surface treatment chamber, and the surface treatment chamber is connected to the surface of the workpiece. The surface treatment chamber is formed with a wall made of a cross-sectional raised concave body having a sealing material at the joint end thereof, and a surface treatment material supply port for supplying electrolyte to the surface treatment chamber, and a surface treatment material supply port for sucking out the surface treatment material in the surface treatment chamber. A vacuum pump suction port is provided, a mesh cathode member is provided at the tip of the vacuum pump suction port, electricity is applied so that the workpiece becomes an anode through the electrolyte, and the electrolyte is applied to the workpiece surface. to move the wall body and the workpiece surface relatively, and circulate the electrode solution between the surface treatment chamber and the vacuum pump suction port via the electrolytic solution tank and the vacuum pump. The structure is such that the surface of the workpiece is treated by this method.
そして、以上の構成に基づく本発明の加工物の
表面処理方法は、壁体と加工物表面とにより形成
する表面処理室内で、表面処理が行われ、表面処
理材は吸込口により循環し、少ない電解液量でも
つて電解処理できるように作用する。
In the surface treatment method of the workpiece of the present invention based on the above configuration, the surface treatment is performed in the surface treatment chamber formed by the wall and the surface of the workpiece, and the surface treatment material is circulated through the suction port. It works so that electrolytic treatment can be performed even with the amount of electrolyte.
また、電解電極を吸込口の先端部に設け、該電
極を網状陰極でもつて形成していることより、該
吸込口を大きくとることができ、電解液の循環を
好ましい状態で行え、電解作用を良好にできるよ
うに作用する。 In addition, since the electrolytic electrode is provided at the tip of the suction port and the electrode is formed with a mesh cathode, the suction port can be made large, and the electrolytic solution can be circulated in a favorable condition, and the electrolytic action can be carried out. It works to make things better.
以下、図面を参照しながら、本発明の加工物の
表面処理方法を具体化した実施例について説明す
る。
EMBODIMENT OF THE INVENTION Hereinafter, embodiments embodying the method for surface treatment of a workpiece according to the present invention will be described with reference to the drawings.
ここに、第１図は本発明の実施例を示すフロー
シート図である。 Here, FIG. 1 is a flow sheet diagram showing an embodiment of the present invention.
本実施例の加工物の表面加工方法は、表面処理
材として電解液を用い、また加工物表面として、
大径の金属タンク内面等のゆるやかな一次曲面ま
たは平面の表面処理方法として具体化した実施例
である。 The surface processing method of the workpiece in this example uses an electrolytic solution as the surface treatment material, and as the surface of the workpiece,
This embodiment is a method for surface treatment of a gently curved or flat surface such as the inner surface of a large-diameter metal tank.
金属加工物１の加工物表面（大径のタンク内面
等のゆるやかな一次曲面または平面）２には、断
面凹状の壁体３が、移動（摺動）自在に壁体下端
に固着されたシール部材４を介して、金属加工物
表面２に配設され、金属加工物表面２と断面凹状
の壁体３とにより表面処理室（電解室）５が形成
されている。そして、表面処理室５を形成する壁
体３の上壁６には、表面処理室５内に電解液を供
給するための表面処理材供給口７が穿設されると
共に、表面処理室５内の電解液を吸出するための
吸込口８が、金属加工物表面２に対するようにし
て穿設されている。また、表面処理室５内にはセ
ラミツクヒーター等の加熱機構を設けられ（図示
せず）、電解液を加熱できるようにしている。 On the workpiece surface 2 of the metal workpiece 1 (gently linearly curved surface or flat surface such as the inner surface of a large-diameter tank), a wall body 3 having a concave cross section is attached to a seal movably (slidably) fixed to the lower end of the wall body. A surface treatment chamber (electrolytic chamber) 5 is disposed on the metal workpiece surface 2 via a member 4, and is formed by the metal workpiece surface 2 and a wall body 3 having a concave cross section. The upper wall 6 of the wall 3 forming the surface treatment chamber 5 is provided with a surface treatment material supply port 7 for supplying an electrolyte into the surface treatment chamber 5. A suction port 8 for suctioning out the electrolyte is provided so as to face the surface 2 of the metal workpiece. Further, a heating mechanism such as a ceramic heater is provided in the surface treatment chamber 5 (not shown) to heat the electrolyte.
吸込口８は、下端に網状の陰極電極９が金属加
工表面２と僅かに難問して配設されている。ま
た、吸込口８の上端は、管路１０によりバキユー
ムポンプ１１を介して表面処理材貯蓄タンク１２
に接続されている。 At the lower end of the suction port 8, a net-like cathode electrode 9 is arranged slightly in conflict with the metal processing surface 2. Further, the upper end of the suction port 8 is connected to a surface treatment material storage tank 12 via a vacuum pump 11 via a pipe line 10.
It is connected to the.
表面処理材貯蓄タンク１２は、供給口７より高
い位置に配設され、表面処理材貯蓄タンク１２の
下部に穿設さている表面処理材出口１３で供給口
７と管路１４により連結され、表面処理材貯蓄タ
ンク１２内の電解液を表面処理室５内に供給でき
るようにしている。 The surface treatment material storage tank 12 is arranged at a higher position than the supply port 7, and is connected to the supply port 7 by a pipe line 14 at a surface treatment material outlet 13 bored at the bottom of the surface treatment material storage tank 12. The electrolytic solution in the treatment material storage tank 12 can be supplied into the surface treatment chamber 5.
なお、金属加工物表面２は、正に帯電するよう
にしている。 Note that the surface 2 of the metal workpiece is positively charged.
そして、以上の装置を用いて、本実施例の金属
加工物の表面処理方法を説明する。 The method for surface treatment of a metal workpiece according to this embodiment will be explained using the above-mentioned apparatus.
すなわち、まず、表面処理貯蔵タンク１２内の
電解液を管路１４を通じて、表面処理貯蓄タンク
１２の下側に位置する表面処理供給口７に落下さ
せて表面処理室５内を電解液で充満する。 That is, first, the electrolyte in the surface treatment storage tank 12 is dropped through the pipe 14 into the surface treatment supply port 7 located below the surface treatment storage tank 12 to fill the surface treatment chamber 5 with the electrolyte. .
次ぎに、電解液は正に帯電した金属加工物表面
２と、吸込口８の先端に配設した陰極電極９間を
流動し、続いて、吸込口８よりバキユームポンプ
１１、表面処理貯蓄タンク１２を介して、管路１
０，１４を通り、表面処理供給口７より表面処理
室５内に供給されて、循環する。 Next, the electrolytic solution flows between the positively charged metal workpiece surface 2 and the cathode electrode 9 disposed at the tip of the suction port 8, and then from the suction port 8 to the vacuum pump 11 and the surface treatment storage tank. 12, conduit 1
0 and 14, and is supplied into the surface treatment chamber 5 from the surface treatment supply port 7 and circulated.
そして、その間の通電により、正に帯電した被
金属加工物表面２の凹凸部のうち凸部の金属が陽
イオンになり、該金属陽イオンが吸込口８の先端
の陰極電極９に向つて遊離・移動し、被金属加工
物表面２の凸部は、次第に平滑化されて研磨加工
が行われるように作用する。 During this period, electricity is applied, and the metal in the convex portions of the positively charged uneven portions on the surface 2 of the metal workpiece becomes cations, and the metal cations are liberated toward the cathode electrode 9 at the tip of the suction port 8.・As it moves, the convex portions on the surface 2 of the metal workpiece are gradually smoothed and polished.
なお、本発明は上述した実施例に限定されるも
のではなく、本発明の要旨を変更しない範囲内で
変形実施できるものを含むものである。因みに、
上述した実施例においては、金属加工物表面の電
解処理をするにあたつて、表面処理室を形成する
壁体を金属加工物表面に沿つて移動させるように
した構成で説明したが、壁体をそのままにして、
金属加工物表面を移動させるようにした構成とし
てもよい。 It should be noted that the present invention is not limited to the embodiments described above, but includes modifications that can be made without changing the gist of the present invention. By the way,
In the above-mentioned embodiments, the wall forming the surface treatment chamber is moved along the surface of the metal workpiece when electrolytically treating the surface of the metal workpiece. Leave as is,
A configuration may also be adopted in which the surface of the metal workpiece is moved.
以上の説明より明らかなように、本発明の加工
物の表面処理方法によれば、壁体と加工物表面と
により形成する表面処理室内で、表面処理が行わ
れ、表面処理材は吸込口により循環し、少ない電
解液量でもつて電解処理でき、かつ移動を容易に
行えるという効果を有する。
As is clear from the above explanation, according to the method for surface treatment of a workpiece according to the present invention, the surface treatment is performed in the surface treatment chamber formed by the wall and the surface of the workpiece, and the surface treatment material is passed through the suction port. It has the effect of being able to circulate, perform electrolytic treatment with a small amount of electrolyte, and be easily moved.
また、本発明の加工物の表面処理方法によれ
ば、電解電極を吸込口の先端部に設け、該電極を
網状陰極でもつて形成していることにより、該吸
込口を大きくとることができ、電解液の循環を好
ましい状態で行え、電解作用を良好にできるとい
う効果を有する。 Further, according to the method for surface treatment of a workpiece of the present invention, the electrolytic electrode is provided at the tip of the suction port, and the electrode is also formed with a net cathode, so that the suction port can be made large. This has the effect that the electrolytic solution can be circulated in a preferable state and the electrolytic action can be improved.
第１図は本発明の実施例を示すフローシート図
である。
１……加工物、２……加工物表面、３……壁
体、４……シール部材、５……表面処理室、７…
…表面処理材供給口、８……吸込口。
FIG. 1 is a flow sheet diagram showing an embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Workpiece, 2... Workpiece surface, 3... Wall body, 4... Seal member, 5... Surface treatment chamber, 7...
...Surface treatment material supply port, 8...Suction port.
Claims (1)
室とを有し、該表面処理室を加工物表面とと接合
する接合端部にシール材を有する断面倒立凹状体
よりなる壁体で形成すると共に、該表面処理室に
電解液を供給するための表面処理材供給口と該表
面処理室内の表面処理材を吸出するためのバキユ
ームポンプ吸込口を設け、該バキユームポンプ吸
込口の先端部に綱状陰極部材を設け、加工物が電
解液を介して陽極となるように通電し、該電解液
を加工物表面に噴射し、上記壁体と加工物表面と
を相対的に移動させ、かつ該電解液を上記電解液
槽とバキユームポンプを介して表面処理室とバキ
ユームポンプ吸込口との間を循環させることによ
り加工物の表面処理を行うようにしたことを特徴
とする加工物の表面処理方法。1. It has an electrolytic solution tank, a vacuum pump, and a surface treatment chamber, and the surface treatment chamber is formed of a wall made of a cross-sectional raised concave body having a sealing material at the joint end that joins with the surface of the workpiece, A surface treatment material supply port for supplying electrolyte to the surface treatment chamber and a vacuum pump suction port for sucking out the surface treatment material from the surface treatment chamber are provided, and a rope is connected to the tip of the vacuum pump suction port. A shaped cathode member is provided, the workpiece is energized through an electrolyte so that it becomes an anode, the electrolyte is injected onto the workpiece surface, the wall body and the workpiece surface are relatively moved, and the workpiece is A surface of a workpiece, characterized in that the surface of the workpiece is treated by circulating an electrolytic solution between the surface treatment chamber and the vacuum pump suction port via the electrolyte bath and the vacuum pump. Processing method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26837886A JPS63121700A (en) | 1986-11-10 | 1986-11-10 | Surface treatment of work |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26837886A JPS63121700A (en) | 1986-11-10 | 1986-11-10 | Surface treatment of work |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63121700A JPS63121700A (en) | 1988-05-25 |
| JPH0359160B2 true JPH0359160B2 (en) | 1991-09-09 |
Family
ID=17457658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26837886A Granted JPS63121700A (en) | 1986-11-10 | 1986-11-10 | Surface treatment of work |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63121700A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004002910A (en) * | 2002-05-30 | 2004-01-08 | Ebara Corp | Electrolytic working method and apparatus |
| JP5455769B2 (en) * | 2010-04-26 | 2014-03-26 | 三菱重工業株式会社 | Electropolishing equipment |
| JP6231879B2 (en) * | 2013-12-27 | 2017-11-15 | マルイ鍍金工業株式会社 | Partial polishing jig |
-
1986
- 1986-11-10 JP JP26837886A patent/JPS63121700A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63121700A (en) | 1988-05-25 |
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