CONSTRUCTION OF ELECTRIC CONTINUATION BETWEEN TOOL HOLDER AND RAM IN MACHINE TOOL WITH AUTOMATIC TOOL EXCHANGER,申请号JP19790020798-传众专利搜索

CONSTRUCTION OF ELECTRIC CONTINUATION BETWEEN TOOL HOLDER AND RAM IN MACHINE TOOL WITH AUTOMATIC TOOL EXCHANGER

申请公布号：JPS55112742(A)

申请号：JP19790020798

申请日期：1979.02.26

申请公布日期：1980.08.30

申请人：

HITACHI LTD

发明人：YOSHIDA KENJI

分类号：B23Q3/157;B23Q1/00

主分类号：B23Q3/157

摘要：PURPOSE:To easily transmit a signal from the tool holder to the outside through the ram part, by installing a specific tool holder to the ram part. CONSTITUTION:The positions of a tool holder 4 and a ram part 5 are determined by a key 6. A cam lock bolt 10 is inserted into the ram part 5 and clamped in the ram part 5. An electric signal generated by the contact of a sensor 3, which is provided in the tool holder 4, to the work is transmitted to a contact pin 8 through the signal wire in the tool holder 4, further transmitted to the compurter through a contact pin 9 and signal wire assembled into the ram part 5. That is, under the condition that the ram part 5 and the tool holder 4 are coupled as an integral unit, the both contact pins 8, 9 are contacted and an electric signal from the contact pin 8 can be taken out to the outside through the contact pin 9. Accordingly, only when a specific tool holder is installed to the ram part, the signal from the holder can be easily transmitted to the outside.