JPS61143721U

JPS61143721U -

Info

Publication number: JPS61143721U
Application number: JP2712085U
Authority: JP
Priority date: 1985-02-28
Filing date: 1985-02-28
Publication date: 1986-09-05

Description

[Brief explanation of the drawing]

第１図は本考案による工具交換装置の一実施例
の断面図、第２図はその左側面の破断図、第３図
は工具交換作業状態を表す作業概念図、第４図は
他の実施例の機構概念図、第５図は拡管装置の一
例を表す主要部の断面図、第６図はその―矢
視断面図、第７図は第５図中の―矢視断面図
、第８図はその全体の断面図である。又、図中の
符号で、１は拡管装置、２は楔ブロツク、６は拡管工具
、７，３４はボルト、３１は支持筒、３３は支持
ブロツク、３５はボルト操作穴、３６は雌ねじ筒
、３７はブロツク操作機構、３９は雄ねじ棒、４
０，４３，４８，５１はスプロケツト、４２は駆
動軸、４４，４９は無端チエーン、４５は伝達軸
、４６はベベルギヤ、５０は操作軸、５３はハン
ドルである。 Fig. 1 is a sectional view of one embodiment of the tool changing device according to the present invention, Fig. 2 is a cutaway view of the left side thereof, Fig. 3 is a conceptual diagram of the tool changing operation state, and Fig. 4 is another embodiment. Fig. 5 is a sectional view of the main parts of an example of the tube expansion device, Fig. 6 is a sectional view taken in the direction of the arrow, Fig. 7 is a sectional view taken in the direction of the - arrow in Fig. 5, and Fig. 8 The figure is a cross-sectional view of the entire structure. Also, the symbols in the figure are: 1 is a tube expansion device, 2 is a wedge block, 6 is a tube expansion tool, 7 and 34 are bolts, 31 is a support tube, 33 is a support block, 35 is a bolt operation hole, 36 is a female thread tube, 37 is a block operation mechanism, 39 is a male threaded rod, 4
0, 43, 48, 51 are sprockets, 42 is a drive shaft, 44, 49 are endless chains, 45 is a transmission shaft, 46 is a bevel gear, 50 is an operating shaft, and 53 is a handle.

Claims

[Scope of utility model registration request]

A support tube surrounding a wedge block to which a large number of tube expansion tools are removably attached to the outer periphery, and a plurality of tube expansion tools arranged inside the support tube corresponding to each of the tube expansion tools and arranged in the half-shaped direction of the support tube, respectively. a reciprocably movable support block; a tool holding means for holding each of the tube expansion tools at a predetermined position with respect to the support block; A tool changer for a pipe expanding device, comprising a block operating mechanism that reciprocates in the radial direction of a tube, and an interlocking drive mechanism that interlocks and simultaneously operates these block operating mechanisms.