JPS6328555A - Polishing jig - Google Patents

Abstract

PURPOSE:To reduce the preparing time for polishing and a cost by providing a jig body having a spherical slide bearing and a holder which is rotatably supported by said spherical slide bearing and which holds a workpiece. CONSTITUTION:A jig body 1 is supported on a reference ring 6a which is engaged with the end edge part of a reference prototype 8a having a recessed face 7a of a defined curvature radius, and its axis (c) agrees with the axis (c) of the reference prototype 8a. And, workpieces 5a are inserted into the holes 4 of holders 3, their machining face sides are brought into contact with the recessed face 7a of the reference prototype 8a, and the workpiece 5a and the holder 3 are rotated with respect to a spherical slide bearing 2 and fixed in this condition, to polish the workpiece 5a into a projected face. Also, the jig body 1 is supported on a reference ring 6b engaged with a reference prototype 8b having a projected face of a defined curvature radius, to equally polish workpieces 5b into recessed faces. Accordingly, polishing into the faces of various curvature radii can be carried out with one jig.

Description

【発明の詳細な説明】 産業上の利用分野 本発明は、各種光学部品及び光学部品用プレス全型等の
被加工物の球面加工に用いる研摩治具に関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a polishing jig used for spherical processing of workpieces such as various optical components and all types of presses for optical components.

従来の技術 従来、各種光学部品及び光学部品用プレス全型の球面加
工を行う研摩治具としては、例えば、「光学技術ハンド
ブック増補板」（光学材料と加工Ｐ６１４）に記載され
ているように研摩皿が用いられている。以下、従来の研
摩皿に光学部品であるレンズを保持させる１＠序につい
て第４図を参照しながら説明する。Conventional technology Conventionally, polishing jigs for spherical processing of various optical components and all presses for optical components have been used, for example, as described in the "Optical Technology Handbook Supplement" (Optical Materials and Processing P.614). A plate is used. Hereinafter, a procedure for holding a lens, which is an optical component, on a conventional polishing plate will be described with reference to FIG.

第４図（ａ）に示すように、まず、基茎原器５１上に複
数個のレンズ５２を支持し、各レンズ５２上にヤニ５３
を載せる。次に第４図（ｂｌに示すようにヤニ５３上に
加熱した研摩皿５４を載せて加圧し、ヤニ５３を溶融さ
せることにより第４図（Ｃ１に示すように研摩皿５４に
レンズ５２を保持させることができる。As shown in FIG. 4(a), first, a plurality of lenses 52 are supported on the basal stem prototype 51, and a resin 53 is placed on each lens 52.
Put on. Next, as shown in FIG. 4 (BL), a heated polishing plate 54 is placed on the resin 53 and pressure is applied to melt the resin 53, thereby holding the lens 52 on the polishing plate 54 as shown in FIG. 4 (C1). can be done.

またはヤニ５３に代えて専用ホルダーを用いてレンズ５
２を研摩皿５４に保持させる。Or use the special holder instead of the lens 53
2 is held on the polishing plate 54.

発明が解決しようとする問題点 しかし、上記従来のように研摩皿を用いると、例えば凸
レンズと凹レンズの研摩の場合には、凸面と凹面の形状
の異なる研摩皿を用意しなければならず、また凸レンズ
と凹レンズの曲率半径が異なる場合には、その曲率半径
に対応した研摩皿を用意しなければならず、研摩の順備
の定めに時間と費用がかがる等の問題があった。Problems to be Solved by the Invention However, if a polishing plate is used as described above, for example, in the case of polishing a convex lens and a concave lens, polishing plates with different shapes of convex and concave surfaces must be prepared, and When the convex lens and the concave lens have different radii of curvature, it is necessary to prepare a polishing plate that corresponds to the radius of curvature, which poses problems such as time and cost required to prepare for polishing.

そこで、本発明は、被加工物の加工すべき曲率半径の相
違に左右されることなく、−台で各種曲率半径に高精度
に研摩加工することができ、従って研摩順備時間と費用
を節約することができるようにした研摩治具を提供しよ
うとするものである。Therefore, the present invention enables highly accurate polishing of various curvature radii on a stand without being affected by differences in the curvature radii of the workpiece to be machined, thus saving polishing preparation time and cost. It is an object of the present invention to provide a polishing jig that can perform the following operations.

問題点を解決するだめの手段 そして、上記問題点を解決するだめの本発明の技術的な
手段は、球面滑り軸受を有する治具本体と、外面が球面
状に形成され、上記治具本体の球面滑り軸受に回動可能
に支持され、被加工物を保持するホルダーとを具備した
ものである。Means for Solving the Problems The technical means of the present invention for solving the above-mentioned problems includes: a jig main body having a spherical sliding bearing; an outer surface formed in a spherical shape; The machine is rotatably supported by a spherical sliding bearing and includes a holder that holds a workpiece.

作用 上記技術的手段による作用は次のようになる。action The effects of the above technical means are as follows.

すなわち、ホルダーに被加工物を保持させると共に、ホ
ルダー及び被加工物を治具本体の球面滑り軸受に対し回
動させることにより所望の凹凸の曲率半径に応じて所望
の角度に向けることができる。That is, by holding the workpiece in the holder and rotating the holder and the workpiece with respect to the spherical sliding bearing of the jig main body, the workpiece can be oriented at a desired angle according to the radius of curvature of the desired unevenness.

従って一台で凹凸の各種曲率半径の研摩加工に対応させ
ることができる。Therefore, one machine can handle polishing of various curvature radii of irregularities.

実施例 以下、本発明の実施例について図面を参照しながら説明
する。EXAMPLES Hereinafter, examples of the present invention will be described with reference to the drawings.

第１図乃至第３図は本発明の一実施例における研摩治具
を示し、第１図は断面図、第２図（ａ）、（ｂ）はそれ
ぞれ使用状態説明用の断面図、第３図（ａ）、（ｂ）は
その要部拡大図である。1 to 3 show a polishing jig in an embodiment of the present invention, in which FIG. 1 is a sectional view, FIGS. 2(a) and 2(b) are sectional views for explaining the usage state, and FIG. Figures (a) and (b) are enlarged views of the main parts.

第１図に示すように枠状の治具本体１には複数組の球面
滑り軸受２が治具本体１の軸心Ｃに対し対称的に設けら
れている。各組の球面滑シ軸受２にはホルダー３の外面
の球面状部が回動可能に支持されている。各ホルダー３
にはその中心に軸心が一致する穴４が貫通され、各穴４
に被加工物５が位置調節可能に挿通され（第２図（ａ）
、（ｂ）参照）、ねじ、若しくは接着剤によシ所望の突
出長さでホルダー３に固定されるようになっている。上
記治具本体１は第２図（ａ）、（ｂ）に示すように基準
リング６ａ、６ｂに支持されるようになっている。As shown in FIG. 1, a frame-shaped jig main body 1 is provided with a plurality of sets of spherical sliding bearings 2 symmetrically with respect to an axis C of the jig main body 1. As shown in FIG. A spherical portion on the outer surface of the holder 3 is rotatably supported by each set of spherical slide bearings 2. Each holder 3
is penetrated by a hole 4 whose axis coincides with its center, and each hole 4
The workpiece 5 is inserted through the hole so that its position can be adjusted (see Fig. 2(a)).
, (b)), and is fixed to the holder 3 with a desired protrusion length using screws or adhesive. The jig main body 1 is supported by reference rings 6a and 6b as shown in FIGS. 2(a) and 2(b).

次に上記実施例の動作について説明する。第２図（ａ）
に示すように被加工物５ａに凸面を形成するには、所定
の曲率半径の凹面７ａを有する基準原器８ａの端縁部に
係合した基準リング６ａに治具本体１を支持し、治具本
体１の軸心Ｃを基準原器８ａの軸心Ｃに一致させる。こ
の治具本体１に支持した各ホルダー３の穴４に被加工物
５ａを挿通させ、その先端の加工面側を基準原器８ａの
凹面７ａに当接させることにより被加工物５ａ及びホル
ダー３を球面滑υ軸受２に対して回動させ、第３図（ａ
ｌに示すように被加工物５ａの軸心を治具本体１及び基
準原器８ａの軸心Ｃに対し、所定の角度Ｑａで傾けるこ
とができる。この状態で、各被加工物５ａをホルダー３
にねじ、若しくは接着剤等により固定する。従ってこれ
と同じ状態で被加工物５ａを凸面に研摩加工することが
できる。Next, the operation of the above embodiment will be explained. Figure 2(a)
In order to form a convex surface on the workpiece 5a as shown in FIG. The axis C of the tool body 1 is made to coincide with the axis C of the reference prototype 8a. The workpiece 5a is inserted into the hole 4 of each holder 3 supported on the jig main body 1, and the processed surface side of the tip is brought into contact with the concave surface 7a of the reference standard 8a. is rotated with respect to the spherical plain bearing 2, and the
As shown in FIG. 1, the axis of the workpiece 5a can be tilted at a predetermined angle Qa with respect to the axis C of the jig main body 1 and the reference standard 8a. In this state, each workpiece 5a is placed on the holder 3.
Fix it with screws or adhesive. Therefore, the workpiece 5a can be polished into a convex surface in the same state.

また第２図（ｂｌに示すように被加工物５ｂに凹面を形
成するには、所定の曲率半径の凸面７ｂを有する基準原
器８ｂの端縁部に係合した基準リング６ｂに治具本体１
を支持し、治具本体１の軸心Ｃを基準原器８ｂの軸心Ｃ
に一致させる。この治具本体１に支持した各ホルダー３
の穴・ｌに被加工物５ｂを挿通させ、その先端の加工両
側を基準原器８ｂの凸面７ｂに当接させることにより被
加工物５ｂ及びホルダー３を球面滑り軸受２に対して回
動させ、第３図（ｂ）に示すように被加工物５ｂの軸心
を治具本体１及び基準原器８ｂの軸心Ｃに対し、所定の
角度Ｑｂで傾けることができる。この状態で、各被加工
物５ｂをホルダー３にねじ、若しくは接着剤等により固
定する。従ってこれと同じ状態で被加工物５ｂを凹面に
研摩加工することができる。In addition, in order to form a concave surface on the workpiece 5b as shown in FIG. 1
, and align the axis C of the jig body 1 with the axis C of the reference prototype 8b.
match. Each holder 3 supported on this jig main body 1
The workpiece 5b is inserted through the hole L, and both ends of the workpiece are brought into contact with the convex surface 7b of the reference standard 8b, thereby rotating the workpiece 5b and the holder 3 relative to the spherical sliding bearing 2. As shown in FIG. 3(b), the axis of the workpiece 5b can be tilted at a predetermined angle Qb with respect to the axis C of the jig main body 1 and the reference standard 8b. In this state, each workpiece 5b is fixed to the holder 3 with screws, adhesive, or the like. Therefore, the workpiece 5b can be polished into a concave surface in the same state.

発明の効果 以上述べたように本発明によれば、治具本体に球面滑り
軸受を設け、この球面滑り軸受に被加工物を保持するホ
ルダーを回動可能に支持しているので、ホルダーに被加
工物を保持させると共に、ホルダー及び被加工物を球面
滑り軸受に対し回動させることにより所望の凹凸の曲率
半径に応じて所望の角度に向けることができる。従って
一台で凹凸の各種曲率半径に対応させて高精度に研摩加
工を行うことができ、研摩順備時間と費用を節約するこ
とができる。Effects of the Invention As described above, according to the present invention, the jig main body is provided with a spherical sliding bearing, and the holder that holds the workpiece is rotatably supported by the spherical sliding bearing. By holding the workpiece and rotating the holder and the workpiece relative to the spherical sliding bearing, the workpiece can be oriented at a desired angle according to the radius of curvature of the desired unevenness. Therefore, with a single machine, polishing can be performed with high accuracy in accordance with various curvature radii of unevenness, and polishing preparation time and costs can be saved.

【図面の簡単な説明】[Brief explanation of the drawing]

第１図乃至第３図は本発明の一実施例における研摩治具
を示し、第１図は断面図、第２図（ａｌ、（ｂｌはそれ
ぞれ使用状態説明用の断面図、第３図（ａ）、１・・・
治具本体、２・・・球面滑り軸受、３・・・ホルダー、
４・・・穴、５．５ａｓ　ｓｂ　・・”被加工物、６８
％　６ｂ　・・・基準リング、８ａ、８ｂ・・・基草原
器。 代理人の氏名　弁理士　中　尾　敏　男　　ほか１名第
１図 第２図 第３図1 to 3 show a polishing jig according to an embodiment of the present invention, in which FIG. 1 is a sectional view, FIG. a), 1...
Jig body, 2... Spherical sliding bearing, 3... Holder,
4... Hole, 5.5as sb..."Workpiece, 68
% 6b... Reference ring, 8a, 8b... Base field tool. Name of agent: Patent attorney Toshio Nakao and one other person Figure 1 Figure 2 Figure 3

Claims (2)

【特許請求の範囲】[Claims] （１）球面滑り軸受を有する治具本体と、外面が球面状
に形成され、上記治具本体の球面滑り軸受に回動可能に
支持され、被加工物を保持するホルダーとを具備したこ
とを特徴とする研摩治具。(1) A jig main body having a spherical sliding bearing; and a holder having a spherical outer surface, rotatably supported by the spherical sliding bearing of the jig main body, and holding a workpiece. Characteristic polishing jig. （２）被加工物がホルダーの穴に軸方向の位置調節可能
に保持される特許請求の範囲第１項記載の研摩治具。(2) The polishing jig according to claim 1, wherein the workpiece is held in the hole of the holder so that its position in the axial direction can be adjusted.