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JPS58167000U - Mechanical press overload prevention device - Google Patents

Mechanical press overload prevention device

Info

Publication number
JPS58167000U
JPS58167000U JP6042282U JP6042282U JPS58167000U JP S58167000 U JPS58167000 U JP S58167000U JP 6042282 U JP6042282 U JP 6042282U JP 6042282 U JP6042282 U JP 6042282U JP S58167000 U JPS58167000 U JP S58167000U
Authority
JP
Japan
Prior art keywords
prevention device
pressure
overload prevention
mechanical press
relief valve
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
Application number
JP6042282U
Other languages
Japanese (ja)
Inventor
河原 勉
Original Assignee
株式会社小松製作所
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社小松製作所 filed Critical 株式会社小松製作所
Priority to JP6042282U priority Critical patent/JPS58167000U/en
Publication of JPS58167000U publication Critical patent/JPS58167000U/en
Pending legal-status Critical Current

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  • Control Of Presses (AREA)

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) [Abstract] 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図は機械プレスのプレス能力線図、第2図はこの考
案の一実施例になる過負荷防止装置の回路図、第3図は
同要部の詳細図である。 1はスライド、1aは油圧室、3はクランク軸、6は油
圧ポンプ、9はリリーフ弁、11は圧カス     ′
イツチ、13.14はカム。
FIG. 1 is a press capacity diagram of a mechanical press, FIG. 2 is a circuit diagram of an overload prevention device according to an embodiment of this invention, and FIG. 3 is a detailed view of the main parts. 1 is a slide, 1a is a hydraulic chamber, 3 is a crankshaft, 6 is a hydraulic pump, 9 is a relief valve, 11 is a pressure gas '
Itsuchi, 13.14 is cam.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] (1)  スライド1内に設けた油圧室1aと油圧ポン
プ6の間を接続する管路の途中に油圧室1a内の圧力が
設定値以上に達したときリーフするリリーフ弁9と、上
記設定値を検出してメーンモータを停止する圧力スイッ
チ11を設けると共に、上記リリーフ弁9及び圧力スイ
ッチ゛11のセット圧をプレス能力線に応じて変化させ
てなる機械プレスの過負荷防止装置。
(1) A relief valve 9 that relieves when the pressure in the hydraulic chamber 1a reaches a set value or more is provided in the middle of a pipe connecting between the hydraulic chamber 1a provided in the slide 1 and the hydraulic pump 6, and the above set value. This overload prevention device for a mechanical press is provided with a pressure switch 11 that detects the pressure and stops the main motor, and also changes the set pressure of the relief valve 9 and the pressure switch 11 according to the press capacity line.
(2)  リリーフ弁9及び圧力スイッチ11のセット
圧をクランク軸3に同期して回転するカム13゜1.4
で変化させるようにしてなる実用新案登録請求の範囲第
1項記載の機械プレスの過負荷防止装置。
(2) A cam 13°1.4 that rotates in synchronization with the crankshaft 3 to set the pressure of the relief valve 9 and pressure switch 11.
An overload prevention device for a mechanical press according to claim 1, wherein the overload prevention device is configured to change the amount by .
JP6042282U 1982-04-27 1982-04-27 Mechanical press overload prevention device Pending JPS58167000U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6042282U JPS58167000U (en) 1982-04-27 1982-04-27 Mechanical press overload prevention device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6042282U JPS58167000U (en) 1982-04-27 1982-04-27 Mechanical press overload prevention device

Publications (1)

Publication Number Publication Date
JPS58167000U true JPS58167000U (en) 1983-11-07

Family

ID=30070670

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6042282U Pending JPS58167000U (en) 1982-04-27 1982-04-27 Mechanical press overload prevention device

Country Status (1)

Country Link
JP (1) JPS58167000U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63196397U (en) * 1987-06-08 1988-12-16

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63196397U (en) * 1987-06-08 1988-12-16

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