ES2185434B1 - HYDRAULIC SECURITY CIRCUIT IN A PRESS. - Google Patents

HYDRAULIC SECURITY CIRCUIT IN A PRESS.

Info

Publication number
ES2185434B1
ES2185434B1 ES9901354A ES9901354A ES2185434B1 ES 2185434 B1 ES2185434 B1 ES 2185434B1 ES 9901354 A ES9901354 A ES 9901354A ES 9901354 A ES9901354 A ES 9901354A ES 2185434 B1 ES2185434 B1 ES 2185434B1
Authority
ES
Spain
Prior art keywords
press
safety
carriage
security circuit
hydraulic
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.)
Expired - Fee Related
Application number
ES9901354A
Other languages
Spanish (es)
Other versions
ES2185434A1 (en
Inventor
Aitor Ormaetxea Abad
Antonio Carmona Alonso
Jesus Olazabalaga Uribe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fagor Electrodomesticos SCL
Original Assignee
Fagor Electrodomesticos SCL
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 Fagor Electrodomesticos SCL filed Critical Fagor Electrodomesticos SCL
Priority to ES9901354A priority Critical patent/ES2185434B1/en
Publication of ES2185434A1 publication Critical patent/ES2185434A1/en
Application granted granted Critical
Publication of ES2185434B1 publication Critical patent/ES2185434B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/28—Arrangements for preventing distortion of, or damage to, presses or parts thereof
    • B30B15/281—Arrangements for preventing distortion of, or damage to, presses or parts thereof overload limiting devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/28—Arrangements for preventing distortion of, or damage to, presses or parts thereof
    • B30B15/281—Arrangements for preventing distortion of, or damage to, presses or parts thereof overload limiting devices
    • B30B15/284—Arrangements for preventing distortion of, or damage to, presses or parts thereof overload limiting devices releasing fluid from a fluid chamber subjected to overload pressure

Abstract

Circuito hidráulico de seguridad en una prensa. El circuito (1) de seguridad contra sobrecargas está instalado en una prensa mecánica, que acciona mediante bielas (3) el carro (2) portapunzón, a través de dos o cuatro cilindro-pistón (C1, C2) de efecto simple, cargados de aceite a una a presión (P,P'') de trabajo. Las válvulas V1,V2 de seguridad están conectadas a sus respectivos cilindros (C1,C2) para activar su descarga individual, cada una de ellas recibe una presión (p1,p2) de pilotaje diferente, y a su vez están interconectadas para la descarga simultánea del aceite a través de una válvula (A1,A2) auxiliar, la cual es acoplada en serie a cada una de ellas para interrumpir la presión de control (p1,p2) de una válvula de seguridad del lado contrario del carro (2).Hydraulic safety circuit in a press. The safety circuit (1) against overloads is installed in a mechanical press, which operates by means of connecting rods (3) the carriage (2) punch holder, through two or four single-acting cylinder-piston (C1, C2), loaded with pressurized oil (P, P '') working. Safety valves V1, V2 are connected to their respective cylinders (C1, C2) to activate their individual discharge, each of them receives a different pilot pressure (p1, p2), and in turn they are interconnected for simultaneous discharge of the oil through an auxiliary valve (A1, A2), which is serially coupled to each of them to interrupt the control pressure (p1, p2) of a safety valve on the opposite side of the carriage (2).

ES9901354A 1999-06-17 1999-06-17 HYDRAULIC SECURITY CIRCUIT IN A PRESS. Expired - Fee Related ES2185434B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES9901354A ES2185434B1 (en) 1999-06-17 1999-06-17 HYDRAULIC SECURITY CIRCUIT IN A PRESS.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES9901354A ES2185434B1 (en) 1999-06-17 1999-06-17 HYDRAULIC SECURITY CIRCUIT IN A PRESS.

Publications (2)

Publication Number Publication Date
ES2185434A1 ES2185434A1 (en) 2003-04-16
ES2185434B1 true ES2185434B1 (en) 2004-06-16

Family

ID=8308884

Family Applications (1)

Application Number Title Priority Date Filing Date
ES9901354A Expired - Fee Related ES2185434B1 (en) 1999-06-17 1999-06-17 HYDRAULIC SECURITY CIRCUIT IN A PRESS.

Country Status (1)

Country Link
ES (1) ES2185434B1 (en)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU475805B2 (en) * 1974-10-11 1976-09-02 Gulf & Western Manufacturing Company High response unloading valve and press overload protection system including same
US4085669A (en) * 1975-05-15 1978-04-25 Aioi Seiki Kabushiki Kaisha Overload protector for mechanical press
DE2800832C2 (en) * 1978-01-10 1986-09-04 L. Schuler GmbH, 7320 Göppingen Overload protection device for a press
US4166415A (en) * 1978-04-21 1979-09-04 Gulf & Western Manufacturing Company Press having overload responsive slide shut height adjusting mechanism
FR2460410A1 (en) * 1979-06-28 1981-01-23 Paul Hydraulique Hydraulic circuit overpressure protection valve - has relief valve connected to differential piston to detect surges
DE3305264A1 (en) * 1983-02-16 1984-08-16 L. Schuler GmbH, 7320 Göppingen Device for limiting the pressing force on mechanical presses
JPH0618720Y2 (en) * 1989-05-09 1994-05-18 アイダエンジニアリング株式会社 Overload safety device for press machine
JPH0729237B2 (en) * 1989-11-09 1995-04-05 アイダエンジニアリング株式会社 Overload prevention device for 2-point press
DE4036470A1 (en) * 1990-11-15 1992-05-21 Mueller Weingarten Maschf Mechanical press overload protection system

Also Published As

Publication number Publication date
ES2185434A1 (en) 2003-04-16

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