JPH01129035U - - Google Patents

Description

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

第１図から第５図は本考案の実施例を示し、第
１図から第３図はその一実施例で、第１図はワー
クサポートの縦断面図、第２図は全体系統図、第
３図はコレツトの斜視図、第４図と第５図は変形
例を示し、第４図は第１図相当の部分図、第５図
は第３図相当図、第６図は従来例を示す第１図相
当図である。 １１…サポート本体、１１ａ…上壁、１１ｂ…
下壁、１２…サポートロツド、１３…押上げ手段
、１５…油圧作動室、１６…ピストン、１７…テ
ーパ筒、１８…コレツト、２０…コレツト１８の
下部、Ａ…クランプ室、Ｂ…サポート本体の端壁
。 Figures 1 to 5 show an embodiment of the present invention, and Figures 1 to 3 are one embodiment of the invention. Figure 1 is a longitudinal sectional view of a work support, Figure 2 is an overall system diagram, and Figure 3 is a perspective view of the collet, Figures 4 and 5 show modified examples, Figure 4 is a partial view equivalent to Figure 1, Figure 5 is a view equivalent to Figure 3, and Figure 6 is a conventional example. 2 is a diagram corresponding to FIG. 1. 11...Support body, 11a...Top wall, 11b...
Lower wall, 12... Support rod, 13... Push-up means, 15... Hydraulic working chamber, 16... Piston, 17... Tapered tube, 18... Collet, 20... Lower part of collet 18, A... Clamp chamber, B... End of support body wall.

Claims (1)

【実用新案登録請求の範囲】 筒形のサポート本体１１内にサポートロツド１
２を上下摺動自在に挿入し、サポートロツド１２
を押上げ手段１３でサポート本体１１の上壁１１
ａ外へ押上げ可能に構成し、サポート本体１１内
でサポートロツド１２の外周にクランプ室Ａを形
成し、クランプ室Ａ内に油圧作動室１５・ピスト
ン１６・テーパ筒１７及びコレツト１８を上下方
向に直列状に設け、油圧作動室１５の油圧力で、
ピストン１６及びテーパ筒１７を介してコレツト
１８をサポートロツド１２に狭持させるとともに
、コレツト１８をサポート本体１１の端壁Ｂに押
圧することにより、サポートロツド１２をコレツ
ト１８・テーパ筒１７・ピストン１６及び油圧作
動室１５の油柱を介してサポート本体１１に固定
するように構成した工作機械用油圧式ワークサポ
ートにおいて、 コレツト１８をクランプ室Ａ内の下部に上向き
に設けるとともに、コレツト１８の下部２０をサ
ポート本体１１の下壁１１ｂに受止め、クランプ
室Ａ内でコレツト１８の上側にテーパ筒１７・ピ
ストン１６及び油圧作動室１５を順に配設したこ
とを特徴とする工作機械用油圧式ワークサポート
。[Claims for Utility Model Registration] Support rod 1 inside cylindrical support body 11
Insert support rod 12 so that it can slide up and down.
The upper wall 11 of the support body 11 is pushed up by means 13.
A, a clamp chamber A is formed on the outer periphery of the support rod 12 within the support body 11, and a hydraulic chamber 15, a piston 16, a tapered cylinder 17, and a collet 18 are arranged in the clamp chamber A in the vertical direction. are installed in series, and with the hydraulic pressure of the hydraulic working chamber 15,
By sandwiching the collet 18 between the support rod 12 via the piston 16 and the tapered cylinder 17, and pressing the collet 18 against the end wall B of the support body 11, the support rod 12 is connected to the collet 18, the taper cylinder 17, the piston 16, and the hydraulic pressure. In a hydraulic work support for a machine tool configured to be fixed to the support body 11 via an oil column in the working chamber 15, the collet 18 is provided upward in the lower part of the clamp chamber A, and the lower part 20 of the collet 18 is supported. A hydraulic work support for a machine tool, which is received by a lower wall 11b of a main body 11, and a tapered cylinder 17, a piston 16, and a hydraulic operating chamber 15 are arranged in this order above a collet 18 in a clamp chamber A.