JPS5851846U - Press brake safety device - Google Patents

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

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

第１図は本考案の実施例を示す全体図、第２図、第６図
、第９図、第１２図、第１３図は第１〜５発受光器群の
説明図、第３図、第７図、第１０図は第１〜第３発光器
群の動作説明図、第４図、第。 ８図、第１１図は第１〜第３発受光器群の回路図、第５
図は第２発受光器群の動作説明図、第１４図は第１〜第
５発受光器群のスイッチ回路図、第　　　１５図は加工
材の斜視図、第１６図はその動作説明図である Ａは本体、Ｂは基体、ａはラム、ｂはパンチ、Ｃはダイ
、Ｅは発受光器群。 第４図 ５６ ＋嘗 第１図　′ １６　　　　　　　　４３Fig. 1 is an overall view showing an embodiment of the present invention; Figs. 2, 6, 9, 12, and 13 are explanatory views of the first to fifth light emitting/receiving groups; Fig. 3; 7 and 10 are explanatory diagrams of the operation of the first to third light emitting device groups, and FIG. 4 and FIG. Figures 8 and 11 are circuit diagrams of the first to third light emitter/receiver groups, and the fifth
The figure is an explanatory diagram of the operation of the second light emitter/receiver group, Figure 14 is a switch circuit diagram of the first to fifth light emitter/receiver groups, Figure 15 is a perspective view of the processed material, and Figure 16 is an explanatory diagram of its operation. A is the main body, B is the base, a is the ram, b is the punch, C is the die, and E is the light emitting and receiving group. Figure 4 56 + Figure 1 ' 16 43

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 相対向した本体Ａ及び基体Ｂとにパンチｂを備えたラム
ａ及びダイＣとをそれぞれ対向して設け、ラムａを上下
動することでパンチｂとダイＣとで加工材を折曲加工す
るプレスブレーキにおいて、前記プレスブレーキの作業
域前方位置に発受光器群Ｅを、作業員の最大腕の長さと
ラム停止時間による安全離隔距離との和の距離だけ離隔
して設け、該発受光器群Ｅを多数の発光器と受光器とを
上下方向に間隔をおいて対向配設しかつ作業員の腕の大
きさに相当する物体が侵入した時にはプレスブレーキ停
止信号を出力せずに作業員の胴の大きさに相当する物体
が侵入した時にはプレスブレーキ停止信号を出力する構
造としたことを特徴とするプレスブレーキの安全装置。A ram a and a die C equipped with a punch b are provided facing each other on a body A and a base body B that face each other, and by moving the ram a up and down, the workpiece is bent by the punch b and the die C. In the press brake, a group of light emitters and receivers is provided at a position in front of the work area of the press brake, separated by a distance equal to the sum of the maximum arm length of the worker and the safe separation distance due to the ram stop time, and the light emitter and receiver Group E has a large number of light emitters and light receivers arranged facing each other at intervals in the vertical direction, and when an object the size of a worker's arm intrudes, the press brake does not output a stop signal and the worker stops. A safety device for a press brake, characterized in that it is structured to output a press brake stop signal when an object corresponding to the size of the body of the press brake enters the body.