Printed circuit board drilling machine broken knife detection device

Application (Patent) No.: CN200520034138.X Filing date: 2005.05.10 Title: Printed circuit board drilling machine broken knife detection device disclosure (announcement) No.: CN2780388 Date of publication (notification): 2006.05.17 Main classification number: B23B49/00 (2006.01) Division I Original Application No.: Class No. B23B49/00(2006.01)I; B23Q17/24(2006.01)I Date of Issuance: Priority: Application (patent) Person: Chengdu Xingweike Automation Equipment Co., Ltd. Address: No. 47, Southwest Street, Pengzhou, Chengdu, Sichuan Province, PRC Invention: Personnel: Zhan Liying; Liu Bin; Yi Yunbo International Application: International Publication: Entry into the Country Date: Patent Agency: Chengdu Hongqiao Patent Office Agent: Ren Hong Abstracts A printed circuit board drilling machine broken knife detection device relates to a printed circuit board drilling machine, and particularly relates to a broken knife detection device of a printed circuit board drilling machine. It comprises a control system, a signal acquisition circuit and a signal processing circuit; the signal acquisition circuit is connected with a drill knife and a printed circuit board; the signal acquisition circuit is connected with the signal processing circuit through a coupling circuit; the signal processing circuit and the control System connection. The utility model has the advantages that the detection device has a simple structure and the position detection of the broken knife is fast and accurate; regardless of the diameter of the drill knife, the detection is also rapid, reliable and durable. Sovereignty item 1, a printed circuit board drilling machine broken knife detection device, including a control system, a signal acquisition circuit and a signal processing circuit; characterized in that: the signal acquisition circuit is connected with a drill knife and a printed circuit board; the signal acquisition circuit A coupling circuit is connected to the signal processing circuit; the signal processing circuit is connected to a control system.