JPH0352046U

JPH0352046U -

Info

Publication number: JPH0352046U
Application number: JP11326989U
Authority: JP
Priority date: 1989-09-26
Filing date: 1989-09-26
Publication date: 1991-05-21

Description

[Brief explanation of drawings]

第１図はこの考案の一実施例の外観斜視図、第
２図はその概略平面図、第３図は第２図の−
線拡大断面図、第４図は同じくその中心軸の傾斜
角度の説明図、第５図は同じくそのチヤツク装置
を応用したローダおよび旋盤を示す斜視図、第６
図は他の実施例の斜視図、第７図は従来例の断面
図である。１……チヤツク装置、２……ローダ、３……２
軸旋盤、５ａ，５ｂ……主軸チヤツク、７……表
裏反転装置、８……工具タレツト、１１……台車
、１３……昇降軸、１４……回転チヤツク台、１
４ａ……円板部、１５……チヤツク、１６……チ
ヤツク基台、１６′……伸縮式チヤツク基台、１
７……軸受、１８……傘歯車、１９……回転軸、
２０……傘歯車、２４……チヤツク台回転装置、
Ｏ……中心軸、θ……傾斜角度。 Fig. 1 is an external perspective view of one embodiment of this invention, Fig. 2 is a schematic plan view thereof, and Fig. 3 is the same as Fig. 2.
4 is an explanatory diagram of the inclination angle of the central axis, FIG. 5 is a perspective view showing a loader and lathe to which the chuck device is applied, and FIG. 6 is an enlarged line sectional view.
The figure is a perspective view of another embodiment, and FIG. 7 is a sectional view of a conventional example. 1...chuck device, 2...loader, 3...2
Shaft lathe, 5a, 5b...Main spindle chuck, 7...Front and back reversing device, 8...Tool turret, 11...Dolly, 13...Elevating shaft, 14...Rotating chuck stand, 1
4a...disc part, 15...chuck, 16...chuck base, 16'...extendable chuck base, 1
7... Bearing, 18... Bevel gear, 19... Rotating shaft,
20...Bevel gear, 24...Chickstand rotating device,
O...Central axis, θ...Inclination angle.

Claims

[Scope of utility model registration request]

A rotary chuck base having a chuck for a workpiece is provided on at least two sides of a virtual triangular pyramid whose sides are adjacent to each other at right angles, and a chuck base that supports the rotary chuck base rotatably about the central axis of the virtual triangular pyramid as a rotation center. A chuck apparatus comprising a chuck base and a chuck base rotating device for indexing and rotating the rotary chuck base every 120 degrees.