JPH0362717U - - Google Patents
Info
- Publication number
- JPH0362717U JPH0362717U JP12316889U JP12316889U JPH0362717U JP H0362717 U JPH0362717 U JP H0362717U JP 12316889 U JP12316889 U JP 12316889U JP 12316889 U JP12316889 U JP 12316889U JP H0362717 U JPH0362717 U JP H0362717U
- Authority
- JP
- Japan
- Prior art keywords
- cutting
- signal
- pressure detector
- completion
- hydraulic cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims 2
- 230000004069 differentiation Effects 0.000 claims 1
Landscapes
- Accessories And Tools For Shearing Machines (AREA)
- Shearing Machines (AREA)
Description
図面はこの考案の一実施例を示し、第１図は上
刃及びこれを駆動する油圧シリンダの正面図、第
２図イないしニは作用を示すタイミングチヤート
である。
２……油圧シリンダ、３……上刃、７……圧力
検出器。
The drawings show one embodiment of this invention, and FIG. 1 is a front view of the upper blade and the hydraulic cylinder that drives it, and FIGS. 2A to 2D are timing charts showing the operation. 2... Hydraulic cylinder, 3... Upper blade, 7... Pressure detector.
Claims (1)
少なくとも一方を駆動して板状のワークを切断す
る切断機において、ワークの切断完了とともに上
記油圧シリンダ２内の油圧が低下するのを圧力検
出器７で検出し、この圧力検出器７からの信号に
よりワークの切断完了を判定することを特徴とす
る切断機の切断完了検出装置。 (2) 上記圧力検出器７からの信号を微分回路に
より微分することにより、切断完了信号をパルス
信号として検出してなる請求項１記載の切断完了
検出装置。[Claims for Utility Model Registration] (1) In a cutting machine that cuts a plate-shaped work by driving at least one of the upper blade 3 or the lower blade by a hydraulic cylinder 2, when the cutting of the work is completed, the pressure inside the hydraulic cylinder 2 is A cutting completion detection device for a cutting machine, characterized in that a decrease in oil pressure is detected by a pressure detector 7, and the completion of cutting of a workpiece is determined based on a signal from the pressure detector 7. (2) The cutting completion detection device according to claim 1, wherein the cutting completion signal is detected as a pulse signal by differentiating the signal from the pressure detector 7 with a differentiation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12316889U JPH0362717U (en) | 1989-10-23 | 1989-10-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12316889U JPH0362717U (en) | 1989-10-23 | 1989-10-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0362717U true JPH0362717U (en) | 1991-06-19 |
Family
ID=31671159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12316889U Pending JPH0362717U (en) | 1989-10-23 | 1989-10-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0362717U (en) |
-
1989
- 1989-10-23 JP JP12316889U patent/JPH0362717U/ja active Pending
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