JPS6433392U

JPS6433392U -

Info

Publication number: JPS6433392U
Application number: JP1987125181U
Authority: JP
Priority date: 1987-08-19
Filing date: 1987-08-19
Publication date: 1989-03-01

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例を示す断面図、第
２図はレーザ光の揺動状態の原理を示す説明図、
第３図は従来のレーザ加工ヘツドを示す概略構成
図である。図において、１０はレーザ光、１１は加工ヘツ
ド本体、１２はノズル、１４はレンズホルダ、１
５は集光レンズ、１８は中継板、２０は偏心軸、
２２は駆動モータである。なお各図中、同一符号
は同一又は相当部分を示す。 Fig. 1 is a sectional view showing an embodiment of this invention, Fig. 2 is an explanatory drawing showing the principle of the swinging state of the laser beam,
FIG. 3 is a schematic diagram showing a conventional laser processing head. In the figure, 10 is a laser beam, 11 is a processing head main body, 12 is a nozzle, 14 is a lens holder, 1
5 is a condensing lens, 18 is a relay plate, 20 is an eccentric shaft,
22 is a drive motor. In each figure, the same reference numerals indicate the same or corresponding parts.

Claims

[Scope of Claim for Utility Model Registration] (1) A processing head body having two opposing openings through which laser light can pass, a nozzle attached to one opening side of the processing head body, and A lens holder is arranged to be able to reciprocate in a direction perpendicular to the optical axis direction of the laser beam, a condensing lens is held by the lens holder, one end is rotatably connected to the lens holder, and the other end is connected to the lens holder for processing. A laser processing head characterized by comprising a relay plate extending outside the head body, an eccentric shaft rotatably connected to the other end of the relay plate, and a rotational drive source that rotationally drives the eccentric shaft. . (2) The laser processing head according to claim 1, wherein the processing head main body has a packing that seals between the inside and the outside of the lens holder.