Abrasive injection nozzle

Abstract

Abstract Translated from Japanese (57)【要約】 【目的】 噴射される研磨材の量にむらを生じず、常に 均一な量の研磨材が噴射でき、少量の研磨材で良好な研 磨を行うことができ、特に微粉研磨材の噴射に優れた研 磨材噴射ノズルを得る。 【構成】 研磨材噴射ノズル本体１４内に研磨材導入室 ５０を形成し、この研磨材導入室５０内に研磨材供給管 ２０を臨ませて配置し、且つ、前記研磨材導入室５０内 に駆動流噴射ノズル３０を配置すると共に、混合管４０ の入口４２を前記研磨材導入室５０に臨ませて配置し て、前記駆動流噴射ノズル３０の中心線と混合管４０の 中心線を同一線上に配置し、且つ、前記駆動流噴射ノズ ルの先端と混合管４０の入口４２を対峙させて配置する と共に、前記混合管４０の入口４２を駆動流噴射ノズル 吐出口３４より大径に形成してなる研磨材噴射ノズル１ ２において、前記研磨材供給管２０の中心線の延長を駆 動流流路３６及び混合流流路４６の中心線に交差しない 位置に臨ませて配置し、研磨材導入室５０内で研磨材に 旋回流を生じさせる。 (57) [Summary] [Purpose] The amount of abrasive to be sprayed does not become uneven, and a uniform amount of abrasive can be sprayed at all times, and good polishing can be performed with a small amount of abrasive, especially fine powder polishing. To obtain an abrasive material injection nozzle excellent in material injection. [Arrangement] An abrasive material introducing chamber 50 is formed in the abrasive material injection nozzle body 14, and an abrasive material supply pipe 20 is arranged to face the abrasive material introducing chamber 50, and in the abrasive material introducing chamber 50. The drive flow injection nozzle 30 is arranged and the mixing pipe 40 An inlet 42 of the same is disposed so as to face the abrasive introduction chamber 50, the center line of the drive flow injection nozzle 30 and the center line of the mixing tube 40 are arranged on the same line, and the tip of the drive flow injection nozzle is arranged. And the inlet 42 of the mixing tube 40 are arranged to face each other, and the inlet 42 of the mixing tube 40 is formed to have a diameter larger than that of the driving flow injection nozzle discharge port 34. 2, the extension of the center line of the abrasive supply pipe 20 is arranged so as not to intersect the center lines of the drive flow passage 36 and the mixed flow passage 46, and the abrasive is introduced into the abrasive introduction chamber 50. Create a swirling flow.

Inventors

• 👤 恵二 間瀬

Bibliographic Details