JPH02148795U

JPH02148795U -

Info

Publication number: JPH02148795U
Application number: JP1989055267U
Authority: JP
Priority date: 1989-05-16
Filing date: 1989-05-16
Publication date: 1990-12-18

Description

[Brief explanation of the drawing]

第１図および第３図はこの考案の主要部を示し
、第１図は第３図における−線に沿つた断面
図、第２図は第３図における−線に沿つた断
面図、第３図は第４図における矢視部の拡大図
、第４図はこの考案を実施する一実施例のレーザ
加工機における側面図である。１……レーザ加工機、１７……ノズル、１７Ａ
……インナノズル、１７Ｂ……アウタノズル、２
９……ノズルホルダ、４９Ａ，４９Ｂ……水路、
６１……フリーベアホルダ、６７……接触子、６
９……被接触センサ、７１……センサノズル、７
５……センサブラケツト、７７……リングブラケ
ツト。 Figures 1 and 3 show the main parts of this invention; Figure 1 is a sectional view taken along line - in Figure 3, Figure 2 is a sectional view taken along line - in Figure 3, and Figure 3 is a sectional view taken along line - in Figure 3. The figure is an enlarged view of the section shown by the arrow in FIG. 4, and FIG. 4 is a side view of a laser processing machine according to an embodiment of the present invention. 1... Laser processing machine, 17... Nozzle, 17A
...Inner nozzle, 17B...Outer nozzle, 2
9... Nozzle holder, 49A, 49B... Waterway,
61...Freebear holder, 67...Contactor, 6
9...Touched sensor, 71...Sensor nozzle, 7
5...Sensor bracket, 77...Ring bracket.

Claims

[Scope of utility model registration request]

A spout for spouting cooling liquid is provided between the inner nozzle and the outer nozzle of the nozzle that irradiates the workpiece with a laser beam and spouts assist gas, and at least concentrically with the lower surface of a freebear holder that is vertically disposed from the nozzle holder that supports the nozzle. A sensor nozzle equipped with a contactor having five balls and a sensor nozzle that is movable toward and away from the upper surface of the workpiece and detects the distance between the nozzle and the workpiece is inserted from the nozzle holder through the bracket. A processing head of a laser processing apparatus, characterized in that the processing head is provided at a position separated from the nozzle and the workpiece.