JPH0331014U

JPH0331014U -

Info

Publication number: JPH0331014U
Application number: JP8742289U
Authority: JP
Priority date: 1989-07-27
Filing date: 1989-07-27
Publication date: 1991-03-26

Description

[Brief explanation of drawings]

第１図〜第１４図は本考案の実施例を示し、第
１図は曲げ機械の正面図、第２図は側面図、第３
図は第１連結手段の断面図、第４図は第２連結手
段の断面図、第５図はセンサ取付断面図、第６図
は振れ止めの断面図、第７図は第１連結手段の断
面図、第８図は第２連結手段の断面図、第９図は
センサ取付断面図、第１０図は振れ止めの断面図
、第１１図は距離センサの拡大図、第１２図は上
ビーム用横材の周囲を恒温室化した断面図、第１
３図、第１４図は具体例の説明図、第１５図、第
１６図は曲げ機械の説明図である。１１……下ビーム、１３……上ビーム、１７…
…下ビーム用横材、２０……センサ、２２……上
ビーム用横材、２５……センサ。 Figures 1 to 14 show an embodiment of the present invention, with Figure 1 being a front view of the bending machine, Figure 2 being a side view, and Figure 3 being a side view of the bending machine.
The figure is a cross-sectional view of the first connecting means, Figure 4 is a cross-sectional view of the second connecting means, Figure 5 is a cross-sectional view of the sensor installation, Figure 6 is a cross-sectional view of the steady rest, and Figure 7 is a cross-sectional view of the first connecting means. 8 is a sectional view of the second connecting means, FIG. 9 is a sectional view of the sensor installation, FIG. 10 is a sectional view of the steady rest, FIG. 11 is an enlarged view of the distance sensor, and FIG. 12 is the upper beam. Cross-sectional view of the area around the cross member in a constant temperature room, 1st
3 and 14 are explanatory diagrams of a specific example, and FIGS. 15 and 16 are explanatory diagrams of a bending machine. 11...Lower beam, 13...Upper beam, 17...
...Cross member for lower beam, 20...Sensor, 22...Cross member for upper beam, 25...Sensor.

Claims

[Claims for Utility Model Registration] (1) In a bending machine that bends a workpiece 16 using a die 14 provided on a lower beam 11 and a punch 15 provided on an upper beam 13, the lower beam 11 and the upper beam 13 are provided with a lower A beam cross member 17 and an upper beam cross member 22 are provided so as to be relatively movable, and a sensor 2 detects the vertical relative displacement of the lower beam cross member 17 and the lower beam 11.
1. A deflection detecting device for a bending machine, characterized in that a sensor 25 is provided for detecting relative displacement in the vertical direction between a horizontal member 22 for an upper beam and an upper beam 13. (2) The deflection detecting device for a bending machine according to claim 1, wherein the upper and lower beam cross members 22, 17 are made of a material with little thermal deformation. (3) The deflection detection device for a bending machine according to claim 1, wherein the periphery of the upper and lower beam cross members 22, 17 is kept at a constant temperature.