JP5926134B2 - Rectangular hollow work jig - Google Patents

Rectangular hollow work jig Download PDF

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JP5926134B2
JP5926134B2 JP2012142596A JP2012142596A JP5926134B2 JP 5926134 B2 JP5926134 B2 JP 5926134B2 JP 2012142596 A JP2012142596 A JP 2012142596A JP 2012142596 A JP2012142596 A JP 2012142596A JP 5926134 B2 JP5926134 B2 JP 5926134B2
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浩嗣 斉藤
浩嗣 斉藤
祥平 川端
祥平 川端
暁 伊藤
暁 伊藤
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株式会社岡本工作機械製作所
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本発明は、化粧品容器、ウイスキーボトル、丸薬容器本体、点火ライターのハウジング、ＮａＩ（Ｔｌ）シンチレーション検出器のアルミニウムケース等の有底の矩形中空ワーク（被加工物）、電子部品用ハウジング材等の底部および頭頂部の両方が開放されている矩形中空ワーク（被加工物）の胴部の前後表面を一対の研磨工具（ロール状砥石または総形砥石）で研磨加工し、平滑な表面にドレス成形仕上げする際に使用される矩形中空ワーク用治具に関する。本発明の矩形中空ワーク用治具を使用すれば、複数の小形の矩形中空ワークの表裏面を研磨工具により傷付けることなく同時にドレス成形仕上げできる利点を有する。   The present invention includes cosmetic containers, whiskey bottles, pill container bodies, ignition lighter housings, bottomed rectangular hollow workpieces (workpieces) such as aluminum cases of NaI (Tl) scintillation detectors, housing materials for electronic parts, etc. The front and back surfaces of the body of a rectangular hollow work (workpiece) with both the bottom and the top open are polished with a pair of polishing tools (rolled grindstone or gross grindstone) and dressed into a smooth surface The present invention relates to a jig for a rectangular hollow work used for finishing. The use of the rectangular hollow work jig of the present invention has an advantage that dress forming finish can be simultaneously performed without damaging the front and back surfaces of a plurality of small rectangular hollow works with a polishing tool.

上記の矩形中空ワークは、消費者の購買意欲を高めるため加工ワークされた表裏面が光沢を有する表面平均粗さ（Ｒａ）が０．１〜１．０μｍにドレス成形仕上げされることが要求されている。また、表裏面に紫外線硬化型インクで凹凸のデザイン模様塗膜を形成させる際に光沢よいデザイン模様塗膜を得るためにも塗膜が接着している基材表面が上記表面平均粗さを有していることが必要である。   The above rectangular hollow workpiece is required to be dress-molded to an average surface roughness (Ra) of 0.1 to 1.0 μm with gloss on the front and back surfaces of the processed workpiece in order to increase consumers' willingness to purchase. ing. Also, in order to obtain a glossy design pattern coating film when forming an uneven design pattern coating film with ultraviolet curable ink on the front and back surfaces, the substrate surface to which the coating film adheres has the above surface average roughness. It is necessary to do.

ワークを一対の研磨工具でドレス仕上げする方法として、特開２００２−３７２０４４公報（特許文献１）は、ワーク（案内レール）の両側面を一対の総形砥石で研削加工（ドレス加工）する方法を図示する。   As a method of dressing a workpiece with a pair of polishing tools, Japanese Patent Laid-Open No. 2002-372044 (Patent Document 1) describes a method of grinding (dressing) both sides of a workpiece (guide rail) with a pair of general-purpose grindstones. Illustrated.

また、特開２００４−１１２８公報（特許文献２）は、インデックステーブル上に４個のワーク治具を等間隔に載置し、このワーク治具のそれぞれにワークを保持させ、インデックステーブルを９０度回転させてワークの位置決めを行い、位置きめされたワーク上面を１個の砥石カッター車で溝研削加工するコンプレサーシリンダ用溝研削盤を開示する。   Japanese Patent Laid-Open No. 2004-1128 (Patent Document 2) places four work jigs on an index table at equal intervals, holds the work on each of the work jigs, and sets the index table at 90 degrees. Disclosed is a compressor cylinder groove grinder that rotates and positions a workpiece and grinds the positioned upper surface of the workpiece with a single grindstone cutter wheel.

さらに、特開２００４−２５５４８５公報（特許文献３）は、一対の高さ方向位置合わせコラムを上下方向に設けるとともに、側面より内側に向けて位置調整微動抑えネジを複数設けた前枠と後枠、前記前枠と後枠の間にワ−ク左端を圧押しする左圧押し枠とワ−ク右端を圧押しする右圧押し枠であってこれら圧押し枠の高さは前記前枠および後枠の高さよりは低い左圧押し枠と右圧押し枠、左圧押し枠と右圧押し枠を前記前枠および後枠に固定する固定具とを備えるワ−ク治具であって、平板状ワ−クはその前後側面を前枠および後枠に備えられた位置調整微動抑えネジで圧押しされ、左右方向を左圧押し枠と右圧押し枠で圧押しされて固定され、このワ−ク治具が作業テ−ブル上に載置されたときは平板状ワ−クの下面は作業テ−ブル上面より離間して置かれることを特徴とする、ワ−ク治具を提案する。   Furthermore, JP 2004-255485 A (Patent Document 3) discloses a front frame and a rear frame in which a pair of height direction alignment columns are provided in the vertical direction and a plurality of position adjustment fine movement suppressing screws are provided inward from the side surface. A left press frame that presses the left end of the work between the front frame and the rear frame, and a right press frame that presses the right end of the work, and the height of these press frames is the front frame and A work jig comprising a left pressure pressing frame and a right pressure pressing frame lower than the height of the rear frame, and a fixture for fixing the left pressure pressing frame and the right pressure pressing frame to the front frame and the rear frame, The front and rear sides of the flat work are pressed by the position adjustment fine-control screws provided on the front and rear frames, and the left and right sides are pressed and fixed by the left and right press frames. When the work jig is placed on the work table, the lower surface of the flat work is placed on the work table. Characterized in that it is placed more spaced, word - it proposes a click jig.

一方、ワークの左右両端面を弾発支持手段で弾発的に支持するワーク保持機構（治具）も特開２００８−１８３６７２公報（特許文献４）に開示されている。   On the other hand, a work holding mechanism (jig) that elastically supports both left and right end surfaces of a work with a resilient support means is also disclosed in Japanese Patent Laid-Open No. 2008-183672 (Patent Document 4).

前記特許文献１に記載の一対の研磨工具を用いて矩形中空ワーク（被加工物）の表裏面を同時に表面研磨加工する際、矩形中空ワークの複数の位置決めを行うワーク治具が必要となる。   When the front and back surfaces of a rectangular hollow work (workpiece) are simultaneously subjected to surface polishing using the pair of polishing tools described in Patent Document 1, a work jig for performing a plurality of positioning of the rectangular hollow work is required.

特開２００２−３７２０４４公報JP 2002-372044 A 特開２００４−１１２８公報JP 2004-1128 A 特開２００４−２５５４８５公報JP 2004-255485 A 特開２００８−１８３６７２公報JP 2008-183672 A

矩形中空ワークの表裏面を研磨工具でドレス成形加工する際、ワークが中空であるため、ワーク上方が研磨加工中に振動で前後に振れワークの変形の原因となり、ワーク治具を左右のいずれか一方向に移動して一対の研磨工具間にワークを挿入させる際、ワークの側面もしくはコーナー部が研磨工具により傷を付けられ、不良品となる確率が２５％と高いことが見出された。   When dressing the front and back surfaces of a rectangular hollow workpiece with a polishing tool, the workpiece is hollow, causing the workpiece to swing back and forth during polishing and cause deformation of the workpiece. It was found that when moving a workpiece in one direction and inserting a workpiece between a pair of polishing tools, the side surface or corner portion of the workpiece is damaged by the polishing tool and the probability of being a defective product is as high as 25%.

本発明の目的は、矩形中空ワークを、その前後（表裏）方向および両側面方向に揺れのないように固定し、矩形中空ワークの位置決め可能な治具の提供にある。   An object of the present invention is to provide a jig capable of positioning a rectangular hollow workpiece by fixing the rectangular hollow workpiece so as not to sway in the front-rear (front and back) direction and both side surfaces.

本発明の請求項１の発明は、ワークテーブル上に搭載される左右方向に延びる長尺状のワーク治具載置基台（２）と、この治具載置基台（２）の上面をこの治具載置基台（２）の前後方向に移動可能に設けられたワーク治具基台（１ａ）よりなる矩形中空ワーク用治具（１）であって、
前記ワーク治具基台（１ａ）の上面には矩形中空ワーク（ｗ）底部（ｗｂ）が挿入可能な凹部（１ｂ）を等間隔に複数設けるとともに、
この凹部（１ｂ）の左右両側面に設けた溝（１ｃ）に前記矩形中空ワーク（ｗ）の肩部（ｗｓ）もしくは左右頭頂部（ｗｔ，ｗｔ）を抑圧する板バネ起立片の一対（１ｄｌ，１ｄｒ）を起立させて設けたことを特徴とする、
矩形中空ワーク用治具（１）を提供するものである。 According to the first aspect of the present invention, a long workpiece jig mounting base (2) extending in the left-right direction mounted on a work table and an upper surface of the jig mounting base (2) are provided. A rectangular hollow work jig (1) comprising a work jig base (1a) movably provided in the front-rear direction of the jig placement base (2),
The upper surface of the work jig base (1a) is provided with a plurality of concave portions (1b) into which a rectangular hollow work (w) bottom portion (w b ) can be inserted at equal intervals,
A leaf spring standing piece for suppressing the shoulder (w s ) or the left and right top (w t , w t ) of the rectangular hollow work (w) in the grooves (1c) provided on the left and right side surfaces of the recess (1b). A pair (1d 1 , 1d r ) is provided upright,
A jig (1) for a rectangular hollow work is provided.

本発明の請求項２の発明は、矩形中空ワーク（ｗ）が底部開放形状のものであり、ワークテーブル上に搭載される左右方向に延びる長尺状のワーク治具載置基台（２）と、この治具載置基台（２）の上面をこの治具載置基台（２）の前後方向に移動可能に設けられたワーク治具基台（１ａ）よりなる矩形中空ワーク用治具（１）であって、
前記ワーク治具基台（１ａ）の上面には前記矩形中空ワーク（ｗ）底部（ｗｂ）が挿入可能な凹部（１ｂ）を等間隔に複数設けるとともに、この凹部（１ｂ）の中央に前記矩形中空ワークの底部（ｗｂ）の中空部（ｖｂ）を貫通可能な支持起立板（１ｅ）を設け、
前記凹部（１ｂ）の左右両側面に設けた溝（１ｃ）に前記矩形中空ワークの肩部（ｗｓ）もしくは左右頭頂部（ｗｔ，ｗｔ）を抑圧する板バネ起立片の一対（１ｄｌ，１ｄｒ）を起立させて設けたことを特徴とする、
矩形中空ワーク用治具（１）を提供するものである。 In the invention of claim 2 of the present invention, the rectangular hollow work (w) has an open bottom, and is mounted on the work table, and is a long work jig mounting base (2) extending in the left-right direction. And a jig for a rectangular hollow work comprising a work jig base (1a) provided on the upper surface of the jig placement base (2) so as to be movable in the front-rear direction of the jig placement base (2). Ingredient (1),
The upper surface of the workpiece jig base (1a) is provided with a plurality of recesses (1b) into which the rectangular hollow workpiece (w) bottom (w b ) can be inserted at equal intervals, and the center of the recess (1b) A support upright plate (1e) capable of penetrating through the hollow portion (v b ) of the bottom (w b ) of the rectangular hollow workpiece;
A pair (1d) of leaf spring upright pieces that suppress the shoulder (w s ) or the left and right top (w t , w t ) of the rectangular hollow work in the grooves (1c) provided on the left and right side surfaces of the recess (1b). l , 1d r ) is provided upright,
A jig (1) for a rectangular hollow work is provided.

本発明の請求項３の発明は、矩形中空ワーク（ｗ）が底部開放形状のものであり、ワークテーブル上に搭載される左右方向に延びる長尺状のワーク治具載置基台（２）と、この治具載置基台（２）の上面をこの治具載置基台（２）の前後方向に移動可能に設けられたワーク治具基台（１ａ）よりなる矩形中空ワーク用治具（１）であって、
前記ワーク治具基台（１ａ）の上面には矩形中空ワーク（ｗ）底部（ｗｂ）が挿入可能な凹部（１ｂ’）を設けるとともに、この凹部（１ｂ’）の中央に前記矩形中空ワーク（ｗ）の底部（ｗｂ）の中空部(ｖｂ)を貫通可能な支持起立板（１ｅ）を設け、
前記凹部（１ｂ’）の前後壁面に弾発支持手段の一対（１ｓｆ，１ｓｂ）を前記矩形中空ワークの底部（ｗｂ）に当接する位置に等間隔に複数対設けたことを特徴とする、
矩形中空ワーク用治具（１）を提供するものである。 According to a third aspect of the present invention, the rectangular hollow work (w) has an open bottom, and is mounted on the work table and extends in the left-right direction. And a jig for a rectangular hollow work comprising a work jig base (1a) provided on the upper surface of the jig placement base (2) so as to be movable in the front-rear direction of the jig placement base (2). Ingredient (1),
A recess (1b ′) into which a rectangular hollow work (w) bottom (w b ) can be inserted is provided on the upper surface of the work jig base (1a), and the rectangular hollow work (1b ′) is provided at the center of the recess (1b ′). A support upright plate (1e) capable of penetrating through the hollow portion (v b ) of the bottom (w b ) of (w),
A plurality of pairs (1s f , 1s b ) of elastic support means are provided on the front and rear wall surfaces of the concave portion (1b ′) at a position where they are in contact with the bottom (w b ) of the rectangular hollow workpiece. To
A jig (1) for a rectangular hollow work is provided.

矩形中空ワーク用治具１に板バネ起立片の一対１ｄｌ，１ｄｒまたは、支持起立板１ｅを設けたことにより研磨加工時およびワーク移動時のワークの前後の揺れおよび左右の横揺れが防止される。 By providing the rectangular hollow work jig 1 with a pair of leaf spring standing pieces 1d 1 and 1d r or a supporting upright plate 1e, it is possible to prevent the workpiece from shaking back and forth and from side to side during polishing and moving the workpiece. Is done.

矩形中空ワーク用治具１に支持起立板１ｅおよび弾発支持手段の一対１ｓｆ，１ｓｂを設けたことにより研磨加工時およびワーク移動時のワークの前後の揺れおよび左右の横揺れが防止される。 Pair 1s f, before and after the shaking and the left and right roll of the workpiece during the polishing process and the work moved by providing the 1s b of the rectangular hollow support upright plate 1e in the work jig 1 and the elastic support means is prevented The

図１は有底の矩形中空ワーク用の治具の斜視図である。FIG. 1 is a perspective view of a jig for a rectangular hollow work with a bottom. 図２は底部が開放されている矩形中空ワーク用の治具の斜視図である。FIG. 2 is a perspective view of a jig for a rectangular hollow work whose bottom is open. 図３は図２の治具に固定されたワークを両面研磨加工している状態を示す透視図である。FIG. 3 is a perspective view showing a state where the work fixed to the jig of FIG. 図４は底部および頭頂部の双方が開放されている矩形中空ワーク用の治具の斜視図である。FIG. 4 is a perspective view of a jig for a rectangular hollow work in which both the bottom and the top are open. 図５は図４の治具の一部を透視した斜視図である。FIG. 5 is a perspective view of a part of the jig shown in FIG. 図６は矩形中空ワークの形状例を示す斜視図である。FIG. 6 is a perspective view showing a shape example of a rectangular hollow work.

本発明の治具に固定される矩形中空ワークの例としては、図６ａに示す肩部Ｗｓに傾斜を有するとともに頭頂部にキャップ固定用中空止め突起Ｗｆを有する化粧品容器、図６ｂに示すＮａＩ（Ｔｌ）シンチレーション検出器の底部ｗｂ開放のアルミニウムケース、図６ｃに示す電子部品用の底部ｗｂおよび頭頂部ｗｔの双方が開放ｖｂ，ｖｔされているハウジング材が挙げられる。 Examples of a rectangular hollow workpiece to be fixed to the jig of the present invention, illustrated in cosmetic containers, Figure 6b with cap locking hollow stopper projection W f the top portion and having an inclined shoulder W s shown in Figure 6a Examples include an aluminum case having an open bottom w b of a NaI (Tl) scintillation detector, and a housing material in which both the bottom w b and the top w t for electronic components shown in FIG. 6c are open v b and v t .

図１に示す治具１は、上記化粧品容器(図６ａ参照)ｗの固定に用いるもので、左右方向に長尺状に延びるワーク治具載置基台２と、この治具載置基台２の上面をこの治具載置基台２の前後方向に移動可能に設けられたワーク治具基台１ａを備え、前記ワーク治具基台１ａの上面には矩形中空ワーク底部ｗｂが挿入可能な凹部１ｂが等間隔に複数設けられるとともに、この凹部１ｂの左右両側面に設けた溝１ｃにワークの肩部Ｗｓを抑圧する板バネ起立片１ｄｌ，１ｄｒの一対を起立させて設けた(図２参照)構造となっている。 A jig 1 shown in FIG. 1 is used for fixing the cosmetic container (see FIG. 6a) w. The work jig mounting base 2 extending in the left-right direction and the jig mounting base. the second upper surface provided with a workpiece fixture base 1a which is movable in the longitudinal direction of the jig mounting置基base 2, inserting the rectangular hollow workpiece bottom w b on the upper surface of the workpiece fixture base 1a possible recess 1b together are a plurality at equal intervals, the leaf spring standing piece 1d l for suppressing a shoulder W s of the workpiece to the groove 1c formed in the left and right sides of the recess 1b, and is erected a pair of 1d r The structure is provided (see FIG. 2).

上記ワーク治具基台１ａは、回転自在に取り付けられたレバー３に備えられたロッド５の先に設けられた押部材４に前部を押されて前記治具載置基台２の上面をこの治具載置基台２の後方向に移動され、前記治具載置基台２の上面後側に設けられた係止部材２ａにワーク治具基台１ａの後面が当接して係止される。   The workpiece jig base 1a is pushed at the front by a pressing member 4 provided at the tip of a rod 5 provided on a lever 3 that is rotatably mounted so that the upper surface of the jig mounting base 2 is covered. The jig mounting base 2 is moved rearward, and the rear surface of the work jig base 1a comes into contact with the locking member 2a provided on the rear side of the upper surface of the jig mounting base 2 to be locked. Is done.

図１においては、１０個のワークｗを挿入できる凹部１ｂを有するワーク治具基台１ａの１０台が治具載置基台２上に前後移動可能に設けられた矩形中空ワーク用治具１が示されている。よって、この矩形中空ワーク用治具１に１００個のワークｗを固定し、回転している一対のロール状砥石または総形砥石ｇ，ｇ間にワークｗを移動させる(図３参照)ことにより１００個のワークの胴部表裏面を研磨加工することが可能である。   In FIG. 1, a rectangular hollow workpiece jig 1 in which 10 workpiece jig bases 1 a having recesses 1 b into which 10 workpieces w can be inserted are provided on a jig mounting base 2 so as to be movable back and forth. It is shown. Therefore, by fixing 100 workpieces w to the rectangular hollow workpiece jig 1 and moving the workpieces w between a pair of rotating grindstones or a total shape grindstone g, g (see FIG. 3). It is possible to polish the front and back surfaces of the body portion of 100 workpieces.

ワーク治具基台１ａの凹部１ｂにワーク底部ｗｂを挿入する際、前記板バネ起立片１ｄｌ，１ｄｒの一対は双方または片方が指で押し拡げられてワークは凹部１ｂ内に間挿され、前記指を板バネ起立片１ｄより離すことにより前記板バネ起立片１ｄｌ，１ｄｒの上部はワークの肩部ｗｓを圧止めする。よって、ワークｗの左右の両側面方向の揺れが抑制されることとなる。 When inserting the workpiece bottom w b in the recess 1b of the workpiece fixture base 1a, interposer to the plate spring standing piece 1d l, a pair of 1d r is pushed open both or one is a finger work in the recess 1b is, the plate spring standing piece 1d l by releasing the finger from the plate spring standing piece 1d, the top of 1d r is because圧止a shoulder w s of the work. Therefore, the shaking of the workpiece w in the left and right side surfaces is suppressed.

図２に示す治具１は、前記ＮａＩ（Ｔｌ）シンチレーション検出器のアルミニウムケース（図６ｂ参照）ｗの固定に用いるもので、左右方向に長尺状に延びるワーク治具載置基台２と、この治具載置基台２の上面をこの治具載置基台２の前後方向に移動可能に設けられたワーク治具基台１ａを備え、前記ワーク治具基台１ａの上面には矩形中空ワークｗ底部が挿入可能な凹部１ｂが等間隔に複数設けとともに、この凹部１ｂの中央に前記ワークｗの底部の中空部（開放部）を貫通する支持起立板１ｅを設けるとともに、この凹部１ｂの左右両側面に設けた溝１ｃにワークの肩部Ｗｓを抑圧する板バネ起立片１ｄｌ，１ｄｒの一対を起立させて設けた構造となっている。 A jig 1 shown in FIG. 2 is used for fixing an aluminum case (see FIG. 6b) w of the NaI (Tl) scintillation detector. The jig mounting base 2 is provided with a work jig base 1a provided so that the upper surface of the jig mounting base 2 can be moved in the front-rear direction of the jig mounting base 2. A plurality of recesses 1b into which the bottom of the rectangular hollow work w can be inserted are provided at equal intervals, and a support upright plate 1e penetrating the hollow part (open part) of the bottom of the work w is provided at the center of the recess 1b. leaf spring standing piece 1d l of the groove 1c formed in the left and right sides to suppress the shoulder W s of the work 1b, the has a provided structure by erecting a pair of 1d r.

簡略して説明すれば、図１に示す治具１において、更に、前記凹部１ｂの中央に前記ワーク底部ｗｂの中空部ｖｂを貫通する支持起立板１ｅを設けたことを特徴とする治具１である。 To describe in a simplified, in jig 1 shown in FIG. 1, further characterized in that a supporting upright plate 1e extending through the hollow portion v b of the workpiece bottom w b in the center of the recess 1b Osamu Tool 1.

前記板バネ起立片１ｄｌ，１ｄｒの一対は双方または片方が指で押し拡げられてアルミニウムケースｗの底部より支持起立板１ｅに挿入してワークｗを前記凹部１ｂ内に間挿し、ついで、前記指を板バネ起立片１ｄより離すことにより前記板バネ起立片１ｄｌ，１ｄｒの上部はワークｗの頭頂の左右部分を圧止めする。よって、ワークｗの左右の両側面方向の揺れが抑制されるとともに、ワークｗの前後方向の揺れも抑制される。 And inserted into the leaf spring standing piece 1d l, bottom than the supporting upright plate 1e of the pair of 1d r are both or either is pushed open by the finger aluminum case w inserted between the workpiece w in the recess 1b, then, the leaf spring standing piece 1d l by releasing the finger from the plate spring standing piece 1d, the top of 1d r is because圧止the left and right portions of the top of the workpiece w. Therefore, the swing of the workpiece w in the left and right side surfaces is suppressed, and the swing of the workpiece w in the front-rear direction is also suppressed.

図４および図５に示す治具１は、前記図６ｃに示す電子部品用ハウジング材ｗの固定に用いるもので、左右方向に長尺状に延びるワーク治具載置基台２と、この治具載置基台２の上面をこの治具載置基台２の前後方向に移動可能に設けられたワーク治具基台１ａを備え、前記ワーク治具基台１ａの上面にはワークｗの底部が挿入可能な凹部１ｂ’を設けるとともに、この凹部１ｂ’の中央に前記ワークｗの底部の中空部を貫通可能な支持起立板１ｅを設け、前記凹部１ｂ’の前後壁面に弾発支持手段の一対１ｓｆ，１ｓｂを前記ワークｗの底部に当接する位置に等間隔に複数対設けた構造の治具１である。 The jig 1 shown in FIGS. 4 and 5 is used for fixing the electronic component housing material w shown in FIG. 6c. The work jig mounting base 2 extending in the left-right direction and this jig are used. A work jig base 1a provided on the upper surface of the tool mounting base 2 so as to be movable in the front-rear direction of the jig mounting base 2 is provided. A recess 1b ′ into which the bottom can be inserted is provided, and a support upright plate 1e that can penetrate the hollow at the bottom of the workpiece w is provided at the center of the recess 1b ′. The jig 1 has a structure in which a plurality of pairs 1s f and 1s b are provided at equal intervals at a position where they contact the bottom of the workpiece w.

前記支持起立板１ｅにワークｗの底部より挿入してワークｗを前記凹部１ｂ’内に間挿し、ついで、前記弾発支持手段１ｓｆをネジ回し止めすることによりワーク底部ｗｂの前後は前記弾発支持手段の一対１ｓｆ，１ｓｂにより圧止めされる。よって、ワークｗの左右の両側面方向の揺れが抑制されるとともに、ワークｗの前後方向の揺れも抑制される。 Said supporting upright plate 1e by inserting the bottom of the workpiece w in interdigitated with the work w in the recess 1b ', then the front and rear of the workpiece bottom w b by a screwdriver stops the resilient support means 1s f It is clamped by a pair 1s f and 1s b of the bullet support means. Therefore, the swing of the workpiece w in the left and right side surfaces is suppressed, and the swing of the workpiece w in the front-rear direction is also suppressed.

上記弾発支持手段の一対１ｓｆ，１ｓｂは、ワークを搭載するワーク治具基台１ａの進行方向側のワーク底部ｗｂを押圧するように設ければ充分であるが、さらに、前記進行方向側とは逆側のワーク底部ｗｂを押圧する弾発支持手段の一対１ｓｆ，１ｓｂを設ければよりワークの前後の振れ防止効果は高まる。 Pair 1s f of the resilient support means, 1s b is a enough to provide so as to press the workpiece bottom w b of the traveling direction side of the workpiece fixture base 1a for mounting the workpiece, further, the progression pair 1s f of the resilient support means for pressing the workpiece bottom w b opposite to the direction, before and after the vibration preventing effect of more work by providing the 1s b is increased.

図４においては、１３個のワークｗを挿入できる凹部１ｂ’を有するワーク治具基台１ａの５台が治具載置基台２上に前後移動可能に設けられた矩形中空ワーク用治具１が示されている。よって、この矩形中空ワーク用治具１に６５個のワークｗを固定し、回転している一対のロール状砥石または総形砥石ｇ，ｇ間にワークｗを移動させることにより６５個のワークの胴部表裏面を研磨加工することが可能である。   In FIG. 4, a rectangular hollow workpiece jig in which five workpiece jig bases 1 a having recesses 1 b ′ into which 13 workpieces w can be inserted are provided on the jig placement base 2 so as to be movable back and forth. 1 is shown. Therefore, 65 workpieces w are fixed to this rectangular hollow workpiece jig 1, and 65 workpieces are moved by moving the workpiece w between a pair of rotating grindstones or general grinding wheels g, g. It is possible to polish the front and back surfaces of the body part.

矩形中空ワークｗの前後、両側面の揺れを抑制できる治具１であるので、矩形中空ワークｗ複数の表裏面を一対の研磨工具により矩形中空ワークに傷や変形をもたらすことなく表面粗さが０．１〜１μｍの平坦な表面を有する研磨加工矩形中空ワークを得ることが可能となった。   Since the jig 1 can suppress the shaking of the rectangular hollow workpiece w before and after and on both sides, the surface roughness of the rectangular hollow workpiece w can be reduced without causing scratches or deformation to the rectangular hollow workpiece by a pair of polishing tools. It was possible to obtain a polished rectangular hollow work having a flat surface of 0.1 to 1 μm.

ｗ 矩形中空ワーク
ｗｓ ワーク肩部
ｗｂ ワーク底部
ｗｔ ワーク頭頂部
ｖｂ ワーク底部の開口部
ｖｔ ワーク頭頂部の開口部
ｇ 研磨工具
１ 矩形中空ワーク用治具
１ａ ワーク治具基台
１ｂ 凹部
１ｂ’ 凹部
１ｃ 溝
１ｄｌ，１ｄｒ 板バネ起立片
２ 治具載置基台
３ レバー
４ 押部材 w rectangular hollow workpiece w s work shoulder w b workpiece bottom w t workpiece parietal v b workpiece bottom of the opening v t of the work top opening g polishing tool 1 rectangular hollow workpiece jig 1a workpiece fixture base 1b recesses 1b 'recess 1c groove 1d l, 1d r plate spring standing piece 2 Chiguno置基base 3 lever 4 pressing member

Claims (3)

左右方向に延びる長尺状のワーク治具載置基台（２）と、この治具載置基台（２）の上面をこの治具載置基台（２）の前後方向に移動可能に設けられたワーク治具基台（１ａ）よりなる矩形中空ワーク用治具（１）であって、
前記ワーク治具基台（１ａ）の上面には矩形中空ワーク（ｗ）底部（ｗｂ）が挿入可能な凹部（１ｂ）を等間隔に複数設けるとともに、
この凹部（１ｂ）の左右両側面に設けた溝（１ｃ）に前記矩形中空ワーク（ｗ）の肩部（ｗｓ）もしくは左右頭頂部（ｗｔ，ｗｔ）を抑圧する板バネ起立片の一対（１ｄｌ，１ｄｒ）を起立させて設けたことを特徴とする、
矩形中空ワーク用治具（１）。 A long work jig mounting base (2) extending in the left-right direction and the upper surface of the jig mounting base (2) can be moved in the front-rear direction of the jig mounting base (2). A rectangular hollow work jig (1) comprising a work jig base (1a) provided,
The upper surface of the work jig base (1a) is provided with a plurality of concave portions (1b) into which a rectangular hollow work (w) bottom portion (w b ) can be inserted at equal intervals,
A leaf spring standing piece for suppressing the shoulder (w s ) or the left and right top (w t , w t ) of the rectangular hollow work (w) in the grooves (1c) provided on the left and right side surfaces of the recess (1b). A pair (1d 1 , 1d r ) is provided upright,
Rectangular hollow work jig (1). 左右方向に延びる長尺状のワーク治具載置基台（２）と、この治具載置基台（２）の上面をこの治具載置基台（２）の前後方向に移動可能に設けられたワーク治具基台（１ａ）よりなる矩形中空ワーク用治具（１）であって、
前記ワーク治具基台（１ａ）の上面には前記矩形中空ワーク（ｗ）底部（ｗｂ）が挿入可能な凹部（１ｂ）を等間隔に複数設けるとともに、この凹部（１ｂ）の中央に前記矩形中空ワークの底部（ｗｂ）の中空部（ｖｂ）を貫通可能な支持起立板（１ｅ）を設け、
前記凹部（１ｂ）の左右両側面に設けた溝（１ｃ）に前記矩形中空ワークの肩部（ｗｓ）もしくは左右頭頂部（ｗｔ，ｗｔ）を抑圧する板バネ起立片の一対（１ｄｌ，１ｄｒ）を起立させて設けたことを特徴とする、矩形中空ワーク用治具（１）。 A long work jig mounting base (2) extending in the left-right direction and the upper surface of the jig mounting base (2) can be moved in the front-rear direction of the jig mounting base (2). A rectangular hollow work jig (1) comprising a work jig base (1a) provided,
The upper surface of the workpiece jig base (1a) is provided with a plurality of recesses (1b) into which the rectangular hollow workpiece (w) bottom (w b ) can be inserted at equal intervals, and the center of the recess (1b) A support upright plate (1e) capable of penetrating through the hollow portion (v b ) of the bottom (w b ) of the rectangular hollow workpiece;
A pair (1d) of leaf spring upright pieces that suppress the shoulder (w s ) or the left and right top (w t , w t ) of the rectangular hollow work in the grooves (1c) provided on the left and right side surfaces of the recess (1b). 1 , 1d r ) is provided upright, and a rectangular hollow work jig (1). 左右方向に延びる長尺状のワーク治具載置基台（２）と、この治具載置基台（２）の上面をこの治具載置基台（２）の前後方向に移動可能に設けられたワーク治具基台（１ａ）よりなる矩形中空ワーク用治具（１）であって、
前記ワーク治具基台（１ａ）の上面には矩形中空ワーク（ｗ）底部（ｗｂ）が挿入可能な凹部（１ｂ’）を設けるとともに、この凹部（１ｂ’）の中央に前記矩形中空ワーク（ｗ）の底部（ｗｂ）の中空部(ｖｂ)を貫通可能な支持起立板（１ｅ）を設け、
前記凹部（１ｂ’）の前後壁面に弾発支持手段の一対（１ｓｆ，１ｓｂ）を前記矩形中空ワークの底部（ｗｂ）に当接する位置に等間隔に複数対設けたことを特徴とする、矩形中空ワーク用治具（１）。 A long work jig mounting base (2) extending in the left-right direction and the upper surface of the jig mounting base (2) can be moved in the front-rear direction of the jig mounting base (2). A rectangular hollow work jig (1) comprising a work jig base (1a) provided,
A recess (1b ′) into which a rectangular hollow work (w) bottom (w b ) can be inserted is provided on the upper surface of the work jig base (1a), and the rectangular hollow work (1b ′) is provided at the center of the recess (1b ′). A support upright plate (1e) capable of penetrating through the hollow portion (v b ) of the bottom (w b ) of (w),
A plurality of pairs (1s f , 1s b ) of elastic support means are provided on the front and rear wall surfaces of the concave portion (1b ′) at a position where they are in contact with the bottom (w b ) of the rectangular hollow workpiece. A rectangular hollow work jig (1).
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