JPS619235U

JPS619235U - Machine tool balance weight safety confirmation device

Info

Publication number: JPS619235U
Application number: JP9236784U
Authority: JP
Inventors: 和臣槙山; 定馬場
Original assignee: 東芝機械株式会社
Priority date: 1984-06-19
Filing date: 1984-06-19
Publication date: 1986-01-20

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す断面図、第２図はその
背面図、第３図は回路構成を示すブロック図である。ｊ・・・・・・コラム、２・・・・・・主軸ヘッド、１
１・・・・・・チエーン、１２・・・・・・バランスウ
ェイト、１３・・・・・・切欠溝、１４・・・・・・投
光器、１５・・・・・・受光器、１６・・・・・・検出
手段、２１・−・・・・制御手段としての制御部、２５
・・・・・・警報手段としてのスピーカ。FIG. 1 is a sectional view showing an embodiment of the present invention, FIG. 2 is a rear view thereof, and FIG. 3 is a block diagram showing the circuit configuration. j...Column, 2...Spindle head, 1
1...Chain, 12...Balance weight, 13...Notch groove, 14...Emitter, 15...Receiver, 16... ...detection means, 21 ...control section as control means, 25
...Speaker as a warning means.

Claims

[Scope of utility model registration request]

(1) In a machine tool in which a spindle head is mounted on a column so that it can be raised and lowered, and a balance weight is connected to the spindle head via a chain to balance the weight of the spindle head, the spindle head is moved to a predetermined position. a detection means for detecting that the extension of the chain exceeds a predetermined amount from the position of the balance weight when the spindle head is moved to a predetermined position; A balance weight safety confirmation device for a machine tool, comprising: control means for activating the alarm means when an alarm occurs.

(2) Utility Model Registration Scope of Claim 1 In claim 1, the detection means is arranged to face a notch groove formed in the balance weight in a direction perpendicular to the direction of elevation thereof and the notch groove on both sides of the column. A balance weight safety confirmation device for a machine tool, comprising a light projector and a light receiver arranged.

(3) Utility Model Registration Scope of Claim 1 In claim 1, the detection means includes a reflecting mirror provided on one of the balance weight and the column, and a reflecting mirror provided on the other of the balance weight and the column. A balance weight safety confirmation device for a machine tool, comprising a light projector that emits light toward a reflecting mirror and a light receiver that detects light from the reflecting mirror.

(4) Utility model registration In claim 1, the detection means includes a dog provided on either one of the balance weight and the column, and a dog provided on the other of the balance weight or column. A balance weight safety confirmation device characterized by comprising an actuated switch and a switch.

(5) Utility model registration Claims In any one of claims 1 to 4, the control means is configured to be able to start operation on the condition that there is no detection signal from the detection means. A balance weight safety confirmation device characterized by: