JPH0433467U - - Google Patents

Description

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

第１図は請求項１の考案の第１実施例の正面断
面図、第２図は第１図の上面図、第３図は請求項
２の考案の第１実施例の図であり、ａは部分断面
図、ｂはａの上面図、ｃはａの側面図、第４図は
プラズマ加工機の排煙シユータの全体構成を示す
正面図、第５図は従来のプラズマ加工機の排煙シ
ユータの模式断面図である。 ２……プラズマ加工機、２２……プラズマノズ
ル、３……シユータ、３１……シユータの下部、
３２……開口部、５……吸引ダクト、５１……吸
引口、５２……排気口、７……排気ダクト、８…
…開口面積調整手段。 FIG. 1 is a front sectional view of the first embodiment of the invention of claim 1, FIG. 2 is a top view of FIG. 1, and FIG. 3 is a diagram of the first embodiment of the invention of claim 2. is a partial sectional view, b is a top view of a, c is a side view of a, Fig. 4 is a front view showing the overall configuration of the smoke exhaust system of a plasma processing machine, and Fig. 5 is a smoke exhaust of a conventional plasma processing machine. FIG. 3 is a schematic cross-sectional view of the shooter. 2... Plasma processing machine, 22... Plasma nozzle, 3... Shooter, 31... Lower part of shooter,
32...Opening, 5...Suction duct, 51...Suction port, 52...Exhaust port, 7...Exhaust duct, 8...
...Opening area adjustment means.

Claims (1)

【実用新案登録請求の範囲】 (1) プラズマトーチ２２を備えるプラズマ加工
機２と、前記プラズマトーチ２２の下方に配設さ
れるシユータ３と、吸引ダクト５と、排気ダクト
７とにおいて、前記シユータ３は下部３１に開口
部３２を備え、前記吸引ダクト５は、一側に複数
個の吸引口５１を備えると共に他側に排気口５２
を備え、さらに前記シユータ３の開口部３２に介
装されて前記一側は前記シユータ３の下部３１に
内設されると共に他側の排気口５２は前記排気ダ
クト７に接続される構成を特徴とするプラズマ加
工機の排煙シユータ。 (2) 吸引口５１は開口面積調整手段８を備える
ことを特徴とする請求項１記載のプラズマ加工機
の排煙シユータ。[Claims for Utility Model Registration] (1) In a plasma processing machine 2 equipped with a plasma torch 22, a shutter 3 disposed below the plasma torch 22, a suction duct 5, and an exhaust duct 7, the shutter 3 has an opening 32 in the lower part 31, and the suction duct 5 has a plurality of suction ports 51 on one side and an exhaust port 52 on the other side.
and further characterized in that it is interposed in the opening 32 of the shooter 3, the one side is installed inside the lower part 31 of the shooter 3, and the exhaust port 52 on the other side is connected to the exhaust duct 7. Smoke exhaust system for plasma processing machines. (2) The smoke exhaust shutter for a plasma processing machine according to claim 1, wherein the suction port 51 is provided with an opening area adjusting means 8.