JP2005068475A - Plating device - Google Patents

Plating device Download PDF

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JP2005068475A
JP2005068475A JP2003298146A JP2003298146A JP2005068475A JP 2005068475 A JP2005068475 A JP 2005068475A JP 2003298146 A JP2003298146 A JP 2003298146A JP 2003298146 A JP2003298146 A JP 2003298146A JP 2005068475 A JP2005068475 A JP 2005068475A
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barrel
electrode
plating
receiving surface
electrode receiving
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Hisashi Kume
粂  寿
Hidekatsu Sato
英克 佐藤
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TDK Corp
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TDK Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a plating device by which electric conduction between a plating tank side and a barrel side can securely be performed only by placing the barrel side on the plating tank side. <P>SOLUTION: In the plating device, an electrode face formed at a barrel is placed on an electrode receiving face formed at a plating tank, so that the barrel is dipped into a plating liquid, and voltage is applied so as to perform plating treatment to the object to be treated in the barrel. In this case, a projection is formed at either the electrode face or electrode receiving face, and the projection is allowed to be in contact with the other side. Thus, conduction between the contact parts is made secure, and the object to be treated can be subjected to stable plating treatment. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は、めっき装置に係り、特に複数のめっき槽が配置され、これらめっき槽にバレルを連続投入するのに好適なめっき装置に関する。   The present invention relates to a plating apparatus, and more particularly to a plating apparatus suitable for continuously placing a barrel in a plurality of plating tanks.

従来、バレルに被処理物を投入した後、このバレルをめっき液が満たされた複数のめっき槽へと浸漬させ、被処理物に連続的にめっき処理を行うものが知られている。   2. Description of the Related Art Conventionally, there is known a method in which after a workpiece is put into a barrel, the barrel is immersed in a plurality of plating tanks filled with a plating solution, and the workpiece is continuously plated.

このようなめっき装置ではめっき槽にバレルを取り付けた際、前記バレル内に形成された電極部にめっき槽外部から電気的導通がとられるようになっており、めっき槽側に形成された他方電極部との間でめっき液を介して電圧を印加することで、バレル内に投入された(電極部に接する)被処理物へのめっき処理を行うようにしている。   In such a plating apparatus, when the barrel is attached to the plating tank, the electrode portion formed in the barrel can be electrically connected from the outside of the plating tank, and the other electrode formed on the plating tank side. By applying a voltage to the part via the plating solution, the object to be processed (contacted with the electrode part) placed in the barrel is plated.

なおめっき槽外部からバレル内電極部への電気的導通は、バレル本体から延在する部材に電極面を形成し、これをめっき槽の縁部に形成された電極受面に密着させることで行われるものが知られている(例えば、特許文献1参照)。またこのような平行平板の密着により電気的導通を図るだけでなく、いずれか一方をバネ部材等によって構成し、このバネ部材の付勢力によって電気的導通を図る構造も知られている(例えば、特許文献2参照)。   The electrical continuity from the outside of the plating tank to the electrode part in the barrel is performed by forming an electrode surface on a member extending from the barrel body and bringing it into close contact with the electrode receiving surface formed at the edge of the plating tank. Is known (for example, see Patent Document 1). There is also known a structure in which not only electrical conduction is achieved by close contact of such parallel plates, but either one is configured by a spring member or the like, and electrical conduction is achieved by the urging force of the spring member (for example, Patent Document 2).

特開2002−235200([請求項1])JP-A-2002-235200 (Claim 1)

特公平5−61360号公報(図2)Japanese Examined Patent Publication No. 5-61360 (FIG. 2)

しかし上述した従来のめっき装置では、以下に示すような問題点があった。   However, the conventional plating apparatus described above has the following problems.

図6は、平行平板の密着により電気的導通を図るめっき装置の要部拡大図である。   FIG. 6 is an enlarged view of a main part of a plating apparatus that achieves electrical conduction by close contact of parallel plates.

すなわち同図に示すように、一対の平行平板(バレル側となる電極面1と、めっき槽側となる電極受面2)を密着させることで電気的導通を確保する場合は、密着部の抵抗値を低減させる目的から電極面1と電極受面2を清掃しめっき液による酸化膜を除去したり、空隙を無くすために電極面1と電極受面2との間に水膜を形成する必要があった。しかしこうした作業は、定期的に行わなければならず、大きな作業負担となっていた。そして上記作業を怠れば、界面での導通抵抗が高くなり電流(電圧)変動による被処理物のめっき不良といった新たな問題が発生するおそれがあった。 That is, as shown in the figure, when electrical continuity is ensured by bringing a pair of parallel flat plates (the electrode surface 1 on the barrel side and the electrode receiving surface 2 on the plating tank side) into close contact, the resistance of the contact portion For the purpose of reducing the value, it is necessary to clean the electrode surface 1 and the electrode receiving surface 2 to remove the oxide film by the plating solution, and to form a water film between the electrode surface 1 and the electrode receiving surface 2 in order to eliminate voids. was there. However, such work had to be done regularly and was a heavy work burden. If the above work is neglected, the conduction resistance at the interface becomes high, and there is a possibility that a new problem such as defective plating of the workpiece due to current (voltage) fluctuation may occur.

また面同士を密着させることから、電極面1と電極受面2とが複数存在する場合は、隣接する面に高低差があるとバレルを置いた際、当該バレルにがたつきが生じ、接触不良を招くおそれがあった。なお電極面1と電極受面2を構成する部材は、抵抗率を低減させるため一般的に銅が用いられるが、前記銅はめっき液による腐食や、電極面1と電極受面2の接離によって摩耗し易いので、メンテナンス作業は一層困難なものになっていた。   In addition, since the surfaces are brought into close contact with each other, when there are a plurality of electrode surfaces 1 and electrode receiving surfaces 2, if there is a difference in height between adjacent surfaces, when the barrel is placed, the barrel is rattled and contacted. There was a risk of causing defects. The members constituting the electrode surface 1 and the electrode receiving surface 2 are generally made of copper in order to reduce the resistivity. However, the copper is corroded by a plating solution, and the electrode surface 1 and the electrode receiving surface 2 are separated from each other. As a result, the maintenance work has become more difficult.

一方、バネ部材の付勢力によって電気的導通を確保する構造では、バレルの設置/持ち上げによって接点部に摺動が生じ、当該接点部の腐食部分が除去されるものの、バレルの設置/持ち上げの繰り返しに伴いバネ部材の接触状態が変化し腐食部分の除去効果が十分に発揮されなくなるというおそれがあった。そして腐食部分の除去効果を確保するためには、バネ部材の位置等を定期的に点検する必要があった。またバネ部材の付勢力によってバレルをめっき槽側に固定するので、バレルの着脱には、前記付勢力に打ち勝つだけの力を要していた。 On the other hand, in the structure in which electrical continuity is ensured by the biasing force of the spring member, the contact portion slides due to the installation / lifting of the barrel and the corroded portion of the contact portion is removed, but the barrel installation / lifting is repeated. As a result, the contact state of the spring member may change, and the effect of removing the corroded portion may not be sufficiently exhibited. And in order to ensure the removal effect of a corrosive part, it was necessary to check the position of a spring member regularly. Further, since the barrel is fixed to the plating tank side by the urging force of the spring member, a force sufficient to overcome the urging force is required to attach and detach the barrel.

本発明は、上記従来の問題点に着目し、バレル側をめっき槽側に載せるだけで、めっき槽側とバレル側との電気的導通を確実に行うことができるめっき装置を提供することを目的とする。   The present invention aims at providing a plating apparatus capable of reliably conducting electrical continuity between the plating tank side and the barrel side only by placing the barrel side on the plating tank side, paying attention to the above conventional problems. And

本発明は、密着する部材間の面圧力を上げれば、表層に生じた腐食部分の除去がバレル自体の自重だけで達成され、電気的導通を確実に確保することができるという知見に基づいてなされたものである。   The present invention has been made based on the knowledge that if the surface pressure between the members to be in close contact is increased, removal of the corroded portion generated on the surface layer can be achieved only by the weight of the barrel itself, and electrical continuity can be reliably ensured. It is a thing.

すなわち本発明に係るめっき装置は、
バレルに形成された電極面をめっき槽に形成された電極受面に置くことで前記バレルをめっき液に浸漬させ、電圧を印加し前記バレル内の被処理物へのめっき処理をなすめっき装置であって、前記電極面と前記電極受面のいずれか一方に突起を形成し、当該突起を他方側に接触可能にするよう構成した。そして前記電極面と前記電極受面を複数設け、これら前記電極面と前記電極受面を結ぶ領域内に前記バレルの重心が位置するように前記電極面と前記電極受面を配置することが好ましい。
That is, the plating apparatus according to the present invention is
A plating apparatus that immerses the barrel in a plating solution by placing the electrode surface formed in the barrel on the electrode receiving surface formed in the plating tank, and applies a voltage to the object to be processed in the barrel. Thus, a protrusion is formed on one of the electrode surface and the electrode receiving surface, and the protrusion can be brought into contact with the other side. Preferably, the electrode surface and the electrode receiving surface are provided, and the electrode surface and the electrode receiving surface are arranged so that the center of gravity of the barrel is located in a region connecting the electrode surface and the electrode receiving surface. .

また本発明に係る他のめっき装置は、バレルに形成された電極面をめっき槽に形成された電極受面に置くことで前記バレルをめっき液に浸漬させ、電圧を印加し前記バレル内の被処理物へのめっき処理をなすめっき装置であって、前記バレルの重心を挟む一対の平行な仮想線を設定し、当該仮想線上に前記バレルの重心を囲う前記電極面と前記電極受面を設けるとともに、これら前記電極面と前記電極受面のいずれか一方に前記仮想線に倣う稜線を有した突起を形成し、当該突起を他方側に接触可能に構成した。なお前記突起を、前記突起が接触する他方側より硬くすることが好ましい。 Further, another plating apparatus according to the present invention immerses the barrel in a plating solution by placing the electrode surface formed on the barrel on the electrode receiving surface formed on the plating tank, and applies voltage to apply the voltage in the barrel. A plating apparatus for performing plating on a workpiece, wherein a pair of parallel virtual lines sandwiching the center of gravity of the barrel is set, and the electrode surface and the electrode receiving surface surrounding the center of gravity of the barrel are provided on the virtual line In addition, a projection having a ridge line that follows the imaginary line is formed on one of the electrode surface and the electrode receiving surface, and the projection can be contacted to the other side. It is preferable that the protrusion is harder than the other side with which the protrusion comes into contact.

上記構成によれば、電極面と電極受面のいずれか一方に突起を形成し、他方側と接触させれば、バレル側の重量が突起先端部だけに加わるので、たとえ密着箇所に腐食部分が存在しても、集中荷重によって前記腐食部分が除去され、電気的導通を確実に確保することができる。そして電極面と電極受面を結ぶ領域内にバレルの重心を位置させれば、バレル側の重量の全てが電極面と電極受面の密着箇所に加わるので、導通信頼性を向上させることが可能になり、メンテナンスの負担を低減させることができる。さらに電極面と電極受面を複数設けた場合、これらの突起高さにばらつきが生じても、少なくとも3箇所の突起によって平面が規定され、バレル側は支持されるので導通経路を3箇所確保することが可能になる。   According to the above configuration, if the protrusion is formed on one of the electrode surface and the electrode receiving surface and brought into contact with the other side, the weight on the barrel side is applied only to the tip of the protrusion. Even if it exists, the said corroded part is removed by concentrated load, and electrical conduction can be ensured reliably. And if the center of gravity of the barrel is located within the region connecting the electrode surface and the electrode receiving surface, all of the weight on the barrel side is added to the contact area between the electrode surface and the electrode receiving surface, so that the conduction reliability can be improved. Thus, the maintenance burden can be reduced. Further, when a plurality of electrode surfaces and electrode receiving surfaces are provided, even if the projection height varies, the plane is defined by at least three projections and the barrel side is supported, so three conduction paths are secured. It becomes possible.

またバレルの重心を挟む一対の仮想線にその稜線が倣う突起を形成すれば、互いの仮想線上に位置する突起高さに高低差が生じても、この高低差を吸収するようにバレル側が追従するので、前記突起に摩耗等が生じても確実に双方の接続を確保することが可能になる。さらに突起側の材料の硬度を、他方側より上げれば(硬くすれば)突起先端に集中加重が加わっても摩耗が抑えられ、よりメンテナンスの間隔を伸ばすことができる。   Also, if a pair of imaginary lines that sandwich the center of gravity of the barrel are formed to follow the ridgeline, the barrel side will follow the height difference so that even if there is a difference in the height of the protrusions located on the imaginary line. Therefore, even if the projections are worn or the like, it is possible to ensure the connection between them. Further, if the hardness of the material on the protrusion side is increased (hardened) from the other side, wear can be suppressed even if concentrated load is applied to the tip of the protrusion, and the maintenance interval can be further extended.

以上説明したように本発明によれば、バレルに形成された電極面をめっき槽に形成された電極受面に置くことで前記バレルをめっき液に浸漬させ、電圧を印加し前記バレル内の被処理物へのめっき処理をなすめっき装置であって、前記電極面と前記電極受面のいずれか一方に突起を形成し、当該突起を他方側に接触可能にしたことから、バレル側をめっき槽側に載せるだけで、めっき槽側とバレル側との電気的導通を確実に行うことが可能になる。   As described above, according to the present invention, the barrel is immersed in the plating solution by placing the electrode surface formed on the barrel on the electrode receiving surface formed on the plating tank, and a voltage is applied to the covered surface in the barrel. A plating apparatus for performing a plating process on a processed object, wherein a protrusion is formed on one of the electrode surface and the electrode receiving surface, and the protrusion can be brought into contact with the other side. It is possible to reliably perform electrical continuity between the plating tank side and the barrel side only by placing on the side.

以下に本発明に係る転写用基体およびその製造方法に好適な具体的実施の形態を図面を参照して詳細に説明する。図2は、本発明に係るバレルめっき装置の全体構成を示す説明図である。   Hereinafter, specific embodiments suitable for a transfer substrate and a method for producing the same according to the present invention will be described in detail with reference to the drawings. FIG. 2 is an explanatory view showing the overall configuration of the barrel plating apparatus according to the present invention.

同図に示すように本発明に係るバレルめっき装置10では、複数のめっき槽12が連続配置されており(図中では3段)、これらめっき槽12に同種あるいは異なるめっき液を導入することで後述する被処理物への段階的なめっき処理を可能にしている。   As shown in the figure, in the barrel plating apparatus 10 according to the present invention, a plurality of plating tanks 12 are continuously arranged (three stages in the figure), and the same kind or different plating solutions are introduced into these plating tanks 12. The stepwise plating process to the to-be-processed object mentioned later is enabled.

またバレルめっき装置10では、少なくともめっき槽12に浸漬させるだけの大きさを備えたバレル14を有しており、当該バレル14を図示しない搬送手段によって、隣接する後段のめっき槽12へと移動可能にしている(図中、矢印16を参照)。   In addition, the barrel plating apparatus 10 has a barrel 14 that is at least large enough to be immersed in the plating tank 12, and the barrel 14 can be moved to the adjacent subsequent plating tank 12 by a conveying means (not shown). (See arrow 16 in the figure).

バレル14は多角形ドラム形状からなり、図示しない密閉蓋を開閉させることで前記バレル14内に被処理物18を投入可能にしている。またバレル14の表面には少なくとも被処理物18より小径の孔が多数形成されており、前記バレル14をめっき液に浸漬させた際、バレル14の内外でめっき液の置換が効率よく行われるようにしている。なおバレル14の材質は、めっき液に対する耐食性等を確保する見地から、ポリプロピレン(PP)やアクリル樹脂等が一般的に使用されている。なお本実施の形態では、バレル14を多角形のドラム形状としたが、この形態に限定されることもなく、例えばバレルを円柱形状としたり、あるいはバレル構造を密閉式や開口を有した形態としてもよい。   The barrel 14 has a polygonal drum shape, and an object 18 can be put into the barrel 14 by opening and closing a sealing lid (not shown). The surface of the barrel 14 is formed with a large number of holes having a diameter smaller than that of the workpiece 18 so that when the barrel 14 is immersed in the plating solution, the plating solution is efficiently replaced inside and outside the barrel 14. I have to. As the material of the barrel 14, polypropylene (PP), acrylic resin, or the like is generally used from the viewpoint of ensuring corrosion resistance against the plating solution. In the present embodiment, the barrel 14 has a polygonal drum shape. However, the present invention is not limited to this form. For example, the barrel has a cylindrical shape, or the barrel structure has a sealed type or an opening type. Also good.

ところでバレル14の中央には、当該バレル14を回転可能に支持する電極取付軸20が貫通するよう設けられており、この電極取付軸20の中央部分には、バレル14内の被処理物18に接触し当該被処理物18への導通を図るための第1電極部22が複数設けられている。また前記電極取付軸20の両側端部には側端版24が設けられており、この側端版24の片側端部にて前記電極取付軸20を支持するとともに、前記側端版24の他方端部にて、めっき槽12の縁部に掛止するようにしている。なお側端版24は、この側端版24の端部をめっき槽12の縁部に掛止させた際、前記バレル14がめっき液26に完全に浸漬するだけの長さに設定される。   By the way, an electrode mounting shaft 20 that rotatably supports the barrel 14 is provided in the center of the barrel 14 so as to pass therethrough. A central portion of the electrode mounting shaft 20 is connected to the workpiece 18 in the barrel 14. A plurality of first electrode portions 22 are provided for contacting and conducting to the workpiece 18. Further, side end plates 24 are provided at both end portions of the electrode mounting shaft 20, and the electrode mounting shaft 20 is supported by one end portion of the side end plate 24, and the other end of the side end plate 24. At the end, it is engaged with the edge of the plating tank 12. The side end plate 24 is set to such a length that the barrel 14 is completely immersed in the plating solution 26 when the end of the side end plate 24 is hooked on the edge of the plating tank 12.

ところでめっき槽12の縁部に掛止される側端版24の端部には、めっき槽12の縁部に対面する電極面28が設けられており、前記めっき槽12の縁部にあらかじめ形成された電極受面30と重ね合わせを可能にしている。まためっき槽12側においては、縁部に形成された電極受面30と、めっき槽12の内壁面(本実施の形態では側面)に形成された第2電極部32との間に直流電源34(同図1箇所のみ図示)が接続されており、バレル14をめっき槽12に設置した際、電極面28と電極受面30とが接触し、第1電極部22と第2電極部32との間で、めっき液26を介して電圧を印加させるようにしている。   Incidentally, an electrode surface 28 facing the edge of the plating tank 12 is provided at the end of the side end plate 24 that is hooked to the edge of the plating tank 12, and is formed in advance on the edge of the plating tank 12. The electrode receiving surface 30 can be superposed. On the plating tank 12 side, a DC power supply 34 is provided between the electrode receiving surface 30 formed at the edge and the second electrode section 32 formed on the inner wall surface (side surface in the present embodiment) of the plating tank 12. (Shown only in FIG. 1) is connected, and when the barrel 14 is installed in the plating tank 12, the electrode surface 28 and the electrode receiving surface 30 come into contact with each other, and the first electrode portion 22 and the second electrode portion 32 In between, a voltage is applied through the plating solution 26.

このように構成されためっき装置10の電極面28と電極受面30の構造について以下に説明を行う。   The structure of the electrode surface 28 and the electrode receiving surface 30 of the plating apparatus 10 thus configured will be described below.

図1は、本実施の形態に係るめっき装置における電極面と電極受面の要部拡大図であり、図3は、めっき槽とバレルとの相対位置を示す上面図である。   FIG. 1 is an enlarged view of main parts of an electrode surface and an electrode receiving surface in the plating apparatus according to the present embodiment, and FIG. 3 is a top view showing a relative position between the plating tank and the barrel.

これらの図に示すように、本実施の形態に係るめっき装置の電極面28は、銅製の平板にて構成されている。また前記電極面28に対面する電極受面30は、前記電極面28とほぼ同等の面積を有する平板と、この平板に断面山形の突起36が形成された形態から構成されている。   As shown in these drawings, the electrode surface 28 of the plating apparatus according to the present embodiment is formed of a copper flat plate. Further, the electrode receiving surface 30 facing the electrode surface 28 is constituted by a flat plate having an area substantially equal to the electrode surface 28 and a form in which a projection 36 having a mountain-shaped cross section is formed on the flat plate.

なお本実施の形態では、前記電極面28とこれに対面する電極受面30は、以下の思想によってその設置位置が設定される。   In the present embodiment, the installation positions of the electrode surface 28 and the electrode receiving surface 30 facing the electrode surface 28 are set according to the following concept.

すなわち図3に示すように、バレル14はめっき槽12のほぼ中央に設置されているが、前記電極面28とこれに対面する電極受面30は、前記バレル14の重心Gを取り囲むように設置される。このようにバレル14の重心Gを取り囲むように電極面28と電極受面30を設置すれば、バレル14の重量は全て各電極受面30に形成された突起36に加わるので、前記電極面28との面圧力が向上し、電気的接続の信頼性を向上させることができる。   That is, as shown in FIG. 3, the barrel 14 is installed at substantially the center of the plating tank 12, but the electrode surface 28 and the electrode receiving surface 30 facing the electrode surface 28 are installed so as to surround the center of gravity G of the barrel 14. Is done. If the electrode surface 28 and the electrode receiving surface 30 are installed so as to surround the center of gravity G of the barrel 14 in this way, all the weight of the barrel 14 is applied to the protrusions 36 formed on each electrode receiving surface 30, so that the electrode surface 28 The surface pressure can be improved, and the reliability of electrical connection can be improved.

また本実施の形態では、バレル14の重心を挟む一対の平行な仮想線38、40を設定し、これら仮想線38、40に一致するように突起36の稜線方向を設定した。このように仮想線38、40に倣うよう突起36の稜線方向を設定すれば、図3の矢視図AAである図4の(1)に示すような摩耗が生じる前の突起36の状態から、同図(2)に示すように突起36に摩耗が生じても、バレル14が角度θだけ傾きこの摩耗分を吸収するので、稜線による線接触が確保でき、接続信頼性を確保することができる。   In the present embodiment, a pair of parallel virtual lines 38 and 40 sandwiching the center of gravity of the barrel 14 is set, and the ridge line direction of the projection 36 is set so as to coincide with these virtual lines 38 and 40. If the ridge line direction of the projection 36 is set so as to follow the virtual lines 38 and 40 in this way, the state of the projection 36 before wear occurs as shown in (1) of FIG. As shown in FIG. 2B, even if the protrusion 36 is worn, the barrel 14 is inclined by the angle θ and absorbs this wear, so that line contact by the ridgeline can be secured and connection reliability can be secured. it can.

このように電極受面30に突起36を形成し、この突起36の先端で電気的導通を図るようにすれば、たとえ突起36の先端や、他方側に酸化膜や腐食部分が発生しても、バレル14の重量がこの接合部に集中するので、前記酸化膜や腐食部分が前記重量によって除去され、従来、負担であったメンテナンスに係る労力を軽減させることが可能になる。なお本実施の形態では、電極受面30側の材質をステンレスとし、電極面28側の材質(銅)よりも硬くした。このように突起36が形成される側の材質を他方側よりも硬くすれば、前記突起36に応力が集中しても、摩耗が進行するのを防止することができる。なお本実施の形態では、材料費(価格)、加工性、導通性の諸特性を考慮してステンレスと銅の組み合わせとしたが、この形態に限定されることもなく、耐摩耗性や耐腐食性を確保できるような組み合わせであれば、他の材質を用いてもよい。また突起36を電極面28側に形成し、電極受面30側を平面形状としてもよい。   Thus, if the projection 36 is formed on the electrode receiving surface 30 and electrical conduction is achieved at the tip of the projection 36, even if an oxide film or a corroded portion is generated on the tip of the projection 36 or on the other side. Since the weight of the barrel 14 is concentrated on the joint, the oxide film and the corroded portion are removed by the weight, and it is possible to reduce the labor related to maintenance, which has been a burden. In the present embodiment, the material on the electrode receiving surface 30 side is stainless steel, which is harder than the material on the electrode surface 28 side (copper). Thus, if the material on the side where the projections 36 are formed is harder than the other side, even if stress concentrates on the projections 36, the progress of wear can be prevented. In this embodiment, the combination of stainless steel and copper is considered in consideration of various characteristics such as material cost (price), workability, and continuity. However, the present invention is not limited to this form, and wear resistance and corrosion resistance. Other materials may be used as long as the combination can ensure the property. The protrusion 36 may be formed on the electrode surface 28 side, and the electrode receiving surface 30 side may be planar.

ところで発明者は、突起による電気的導通の信頼性を確認するために、種々の実験と検討を行った。図5は、電極面と電極受面間の電流変動を示すグラフであり、同図(1)は従来の平行平板同士の密着構造であり、同図(2)は本実施の形態に係る突起による接触構造によるものである。   By the way, the inventor conducted various experiments and examinations in order to confirm the reliability of the electrical conduction by the protrusions. FIG. 5 is a graph showing current fluctuation between the electrode surface and the electrode receiving surface. FIG. 5A shows a conventional close contact structure between parallel flat plates. FIG. 5B is a projection according to the present embodiment. This is due to the contact structure.

発明者の検討によれば、これらの図に示すように同図(1)では、平行平板間に腐食等が発生すると、接触不良が生じ、図中に示すようにめっき開始点(電源ONの状態)からめっき終了点(電源OFFの状態)までの電流が流れている状態で、ヒゲ状の電流ドロップ42が発生する場合があるが、本実施の形態に係る構造では、このような電流ドロップの発生は確認されなかった。このため第1電極部22と第2電極部32との間に一定の電流を流すことが可能になり、被処理物18に対してめっき処理を均一に行うことができる。   According to the inventor's study, as shown in these figures, in the same figure (1), when corrosion or the like occurs between the parallel plates, contact failure occurs, and as shown in the figure, the plating start point (power ON State) to the plating end point (power OFF state), a whisker-like current drop 42 may occur. In the structure according to the present embodiment, such a current drop is generated. The occurrence of was not confirmed. For this reason, it becomes possible to flow a fixed electric current between the 1st electrode part 22 and the 2nd electrode part 32, and the metal-plating process can be performed with respect to the to-be-processed object 18 uniformly.

なお本実施の形態では、仮想線に倣う稜線を備えた突起形状としたが、この形態に限定されることもなく、例えば、前記突起形状に代えて、錐体からなる突起等を適用してもよいことはいうまでもない。そして上述した突起形状に係る接点構造は、上述したバレル形状やバレルめっき装置自体の構造に限定されることもなく幅広いめっき装置に適用することが可能である。   In the present embodiment, the projection shape is provided with a ridge line that follows the virtual line. However, the present invention is not limited to this configuration. For example, instead of the projection shape, a projection made of a cone or the like is applied. It goes without saying. The contact structure related to the protrusion shape described above is not limited to the above-described barrel shape or the structure of the barrel plating apparatus itself, and can be applied to a wide range of plating apparatuses.

本実施の形態に係るめっき装置における電極面と電極受面の要部拡大図である。It is a principal part enlarged view of the electrode surface and electrode receiving surface in the plating apparatus which concerns on this Embodiment. 本発明に係るバレルめっき装置の全体構成を示す説明図である。It is explanatory drawing which shows the whole structure of the barrel plating apparatus which concerns on this invention. めっき槽とバレルとの相対位置を示す上面図である。It is a top view which shows the relative position of a plating tank and a barrel. 図3の矢視図AAである。FIG. 4 is an arrow AA view of FIG. 3. 電極面と電極受面間の電流変動を示すグラフであり、同図(1)は従来の平行平板同士の密着構造であり、同図(2)は本実施の形態に係る突起による接触構造によるものである。It is a graph which shows the electric current fluctuation between an electrode surface and an electrode receiving surface, The same figure (1) is the adhesion structure of the conventional parallel flat plates, The same figure (2) is based on the contact structure by the protrusion concerning this Embodiment. Is. 平行平板の密着により電気的導通を図るめっき装置の要部拡大図である。It is a principal part enlarged view of the plating apparatus which aims at electrical continuity by contact | adherence of a parallel plate.

符号の説明Explanation of symbols

1・・・電極面
2・・・電極受面
10・・・バレルめっき装置
12・・・めっき槽
14・・・バレル
16・・・矢印
18・・・被処理物
20・・・電極取付軸
22・・・第1電極部
24・・・側端版
26・・・めっき液
28・・・電極面
30・・・電極受面
32・・・第2電極部
34・・・直流電源
36・・・突起
38・・・仮想線
40・・・仮想線
42・・・電流ドロップ
DESCRIPTION OF SYMBOLS 1 ... Electrode surface 2 ... Electrode receiving surface 10 ... Barrel plating apparatus 12 ... Plating tank 14 ... Barrel 16 ... Arrow 18 ... To-be-processed object 20 ... Electrode mounting axis 22 ... 1st electrode part 24 ... Side end plate 26 ... Plating solution 28 ... Electrode surface 30 ... Electrode receiving surface 32 ... 2nd electrode part 34 ... DC power supply 36- ..Protrusion 38 ... Virtual line 40 ... Virtual line 42 ... Current drop

Claims (4)

バレルに形成された電極面をめっき槽に形成された電極受面に置くことで前記バレルをめっき液に浸漬させ、電圧を印加し前記バレル内の被処理物へのめっき処理をなすめっき装置であって、前記電極面と前記電極受面のいずれか一方に突起を形成し、当該突起を他方側に接触可能にしたことを特徴とするめっき装置。   A plating apparatus that immerses the barrel in a plating solution by placing the electrode surface formed in the barrel on the electrode receiving surface formed in the plating tank, and applies a voltage to the object to be processed in the barrel. A plating apparatus, wherein a projection is formed on one of the electrode surface and the electrode receiving surface, and the projection can be brought into contact with the other side. 前記電極面と前記電極受面を複数設け、これら前記電極面と前記電極受面を結ぶ領域内に前記バレルの重心が位置するように前記電極面と前記電極受面を配置したことを特徴とする請求項1に記載のめっき装置。   A plurality of the electrode surfaces and the electrode receiving surfaces are provided, and the electrode surfaces and the electrode receiving surfaces are arranged so that the center of gravity of the barrel is located in a region connecting the electrode surfaces and the electrode receiving surfaces. The plating apparatus according to claim 1. バレルに形成された電極面をめっき槽に形成された電極受面に置くことで前記バレルをめっき液に浸漬させ、電圧を印加し前記バレル内の被処理物へのめっき処理をなすめっき装置であって、前記バレルの重心を挟む一対の平行な仮想線を設定し、当該仮想線上に前記バレルの重心を囲う前記電極面と前記電極受面を設けるとともに、これら前記電極面と前記電極受面のいずれか一方に前記仮想線に倣う稜線を有した突起を形成し、当該突起を他方側に接触可能にしたことを特徴とするめっき装置。   A plating apparatus that immerses the barrel in a plating solution by placing the electrode surface formed in the barrel on the electrode receiving surface formed in the plating tank, and applies a voltage to the object to be processed in the barrel. A pair of parallel virtual lines sandwiching the center of gravity of the barrel is set, and the electrode surface and the electrode receiving surface surrounding the center of gravity of the barrel are provided on the virtual line, and the electrode surface and the electrode receiving surface are provided. A plating apparatus characterized in that a protrusion having a ridge line following the virtual line is formed on any one of the protrusions, and the protrusion can be brought into contact with the other side. 前記突起を、前記突起が接触する他方側より硬くしたことを特徴とする請求項1または請求項3に記載のめっき装置。
The plating apparatus according to claim 1, wherein the protrusion is harder than the other side with which the protrusion comes into contact.
JP2003298146A 2003-08-22 2003-08-22 Plating device Pending JP2005068475A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9086094B2 (en) 2008-07-17 2015-07-21 Ntn Corporation Cage for rolling bearing and rolling bearing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9086094B2 (en) 2008-07-17 2015-07-21 Ntn Corporation Cage for rolling bearing and rolling bearing

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