DE858980C - Control of a machine, in particular a machine tool, operating with a pressure medium - Google Patents

Control of a machine, in particular a machine tool, operating with a pressure medium

Info

Publication number
DE858980C
DE858980C DEF7422A DEF0007422A DE858980C DE 858980 C DE858980 C DE 858980C DE F7422 A DEF7422 A DE F7422A DE F0007422 A DEF0007422 A DE F0007422A DE 858980 C DE858980 C DE 858980C
Authority
DE
Germany
Prior art keywords
machine
pressure medium
control
cylinder
piston
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
Application number
DEF7422A
Other languages
German (de)
Inventor
Fritz Dr-Ing Faulhaber
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DEF7422A priority Critical patent/DE858980C/en
Application granted granted Critical
Publication of DE858980C publication Critical patent/DE858980C/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
    • F03C1/00—Reciprocating-piston liquid engines
    • F03C1/08—Distributing valve-gear peculiar thereto
    • F03C1/10—Distributing valve-gear peculiar thereto actuated by piston or piston-rod
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/044—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by electrically-controlled means, e.g. solenoids, torque-motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40515—Flow control characterised by the type of flow control means or valve with variable throttles or orifices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
    • F15B2211/41527—Flow control characterised by the connections of the flow control means in the circuit being connected to an output member and a directional control valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/42—Flow control characterised by the type of actuation
    • F15B2211/426—Flow control characterised by the type of actuation electrically or electronically
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/665—Methods of control using electronic components
    • F15B2211/6654—Flow rate control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7051—Linear output members
    • F15B2211/7053—Double-acting output members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/75—Control of speed of the output member

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Control Of Positive-Displacement Pumps (AREA)

Description

Mit einem Druckmittel arbeitende Steuerung einer Maschine, insbesondere einer Werkzeuamaschine Das Patent 1343 979 betrifft eine mit einem Druckmittel arbeitende Steuerung einer selbsttätig arbeitenden Maschine, insbesondere einer W:erkzeugmaschine, wobei es sich vorzugsweise um eine hydraulische Steuerung handelt. Die Bewegung eines Maschinenteils erfolgt durch einen vom Druckmittel beaufschlagten, in :einem Zylinder geführten Kolben, wobei die durch den Arbeitskolben getrennten Zylinderräume dauernd dem Druckmittelzufluß ausgesetzt sind. Den Mündungen der Zylinderabflußleitungen ist :ein elektromagnetisch gesteuertes Abschlußglied zugeordnet, das in Ab- hängigkeit von .dem in einem Zylinderraum bei Erreichung der Kolbernendstellung auftretenden Druckanstieg verstellt wird. Mit jedem Zylinder- oder Druckraum steht ein mit elektrischen Kontakten versehenes, auf den Druckanstieg ansprechendes Glied, z. B. eine Federdose, in Verbindung, deren Kontakte in dem Steuerstromkreis des erwähnten elektromagnetisch gesteuerten Abschlußgliedes liegen. Durch die Schließung einer Abflußleitung des Arbeitszylinders wirkt der Druck des zufließenden Druckmittels auf den Kolben, der seine Bewegung bis zu einer Endstellung ausführt. Bei Erreichung der Kolbenendstellung entsteht ein Druckanstieg oder ein Druckimpuls, der die Schließung eines Stromkreises zur Folge hat, wodurch das elektromagnetisch besteuerte Abschlußglied derart verstellt wird, daß die bisher geschlossen gehaltene Abflußleitung sich öffnet, während gleichzeitig die Abflußleitung des anderen Zylinderraums geschlossen wird, so daß sich der Arbeitskolben nunmehr in entgegengesetzter Richtung bewegt. Gemäß der Erfindung sind dem elektromagnetisch gesteuerten Abschlußglied verstellbare Anschläge derart zugeordnet, daß die Mündungen oder Düsen der Zylinderabflußleitungen in veränderlicher Größe freigegeben werden.Control of a machine, in particular a tool machine, that works with a pressure medium. Patent 1343 979 relates to a control of an automatically working machine, in particular of a machine tool, that works with a pressure medium, which is preferably a hydraulic control. A machine part is moved by a piston, which is acted upon by the pressure medium and guided in: a cylinder, the cylinder spaces separated by the working piston being continuously exposed to the pressure medium inflow. The mouths of the cylinder discharge lines are assigned an electromagnetically controlled closing element which is adjusted as a function of the pressure increase occurring in a cylinder chamber when the piston end position is reached. With each cylinder or pressure chamber there is a member which is provided with electrical contacts and is responsive to the increase in pressure, e.g. B. a spring socket, in connection, the contacts of which are in the control circuit of the aforementioned electromagnetically controlled terminating element. By closing a discharge line of the working cylinder, the pressure of the inflowing pressure medium acts on the piston, which executes its movement up to an end position. When the piston end position is reached, a pressure increase or a pressure pulse occurs, which closes a circuit, whereby the electromagnetically controlled closing element is adjusted in such a way that the previously closed drain line opens, while at the same time the drain line of the other cylinder chamber is closed so that the working piston now moves in the opposite direction. According to the invention, adjustable stops are assigned to the electromagnetically controlled closing element in such a way that the mouths or nozzles of the cylinder discharge lines are released in variable sizes.

Durch die Verstellung der Anschläge ist die jeweils gewünschte Laufgeschwindigkeit des Kolbens in einfacher Weise einstell- oder regelbar. Die größte Laufgeschwindigkeit des Arbeitskolbens ergibt sich bei voller Freigabe des Ausflußquerschnitts. Jede durch Anschlagverstellung bedingte Verkleinerung des Ausflußquerschnitts hat eine kleinere Kolbenlaufgeschwindigkeit zur Folge.The desired running speed is achieved by adjusting the stops of the piston can be easily adjusted or regulated. The greatest running speed of the working piston results when the outflow cross-section is fully released. Every The reduction in the outflow cross-section caused by the adjustment of the stop has a lower piston speed result.

Claims (1)

PATE\TANSPR(-CH: Mit einem Druckmittel arbeitende Steuerung einer :Maschine, insbesondere einer Werkz@eugm.aschine, bei der die durch den Arbeitskolben getrennten Zylinderräume dauernd dem Druckmittelzufluß ausgesetzt sind und bei der den Mündungen der Zylinderabflußleitungen ein elektromagnetisch gesteuertes Abschlußglied zugeordnet ist, das in Abhängigkeit von dem in einem Zylinderraum bei Erreichung der Kolbenendstellung auftretenden Druckanstieg verstellt wird, nach Patent ä¢3 979, dadurch gekennzeichrret, daß dem elektromagnetisch gesteuerten Abschlußglied verstellbare Anschläge derart zugeordnet sind, daß die Mündungen der Zylinderabflußleitungen in veränderlicher Größe freigegeben werden.PATE \ TANSPR (-CH: Control of a : Machine, especially a Werkz@eugm.aschine, in which the working piston separate cylinder chambers are constantly exposed to the flow of pressure medium and in the the mouths of the cylinder discharge lines an electromagnetically controlled terminating element is assigned, which depends on the in a cylinder chamber when reached the pressure increase occurring at the end of the piston is adjusted, according to patent ä ¢ 3 979, characterized in that the electromagnetically controlled terminating element adjustable stops are assigned such that the mouths of the cylinder discharge lines can be released in variable sizes.
DEF7422A 1951-05-19 1951-05-19 Control of a machine, in particular a machine tool, operating with a pressure medium Expired DE858980C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEF7422A DE858980C (en) 1951-05-19 1951-05-19 Control of a machine, in particular a machine tool, operating with a pressure medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF7422A DE858980C (en) 1951-05-19 1951-05-19 Control of a machine, in particular a machine tool, operating with a pressure medium

Publications (1)

Publication Number Publication Date
DE858980C true DE858980C (en) 1952-12-11

Family

ID=7085442

Family Applications (1)

Application Number Title Priority Date Filing Date
DEF7422A Expired DE858980C (en) 1951-05-19 1951-05-19 Control of a machine, in particular a machine tool, operating with a pressure medium

Country Status (1)

Country Link
DE (1) DE858980C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1032189B (en) * 1955-04-22 1958-06-12 Vorkauf Heinrich Hydraulic drive for a reciprocating operation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1032189B (en) * 1955-04-22 1958-06-12 Vorkauf Heinrich Hydraulic drive for a reciprocating operation

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