CA3144196A1 - Piston-cylinder assembly of a hydraulic press - Google Patents

Piston-cylinder assembly of a hydraulic press Download PDF

Info

Publication number
CA3144196A1
CA3144196A1 CA3144196A CA3144196A CA3144196A1 CA 3144196 A1 CA3144196 A1 CA 3144196A1 CA 3144196 A CA3144196 A CA 3144196A CA 3144196 A CA3144196 A CA 3144196A CA 3144196 A1 CA3144196 A1 CA 3144196A1
Authority
CA
Canada
Prior art keywords
piston
cylinder
hydraulic fluid
ring
cylinder assembly
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
CA3144196A
Other languages
English (en)
French (fr)
Inventor
Paavo Pitkanen
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.)
Vahterus Oy
Original Assignee
Vahterus Oy
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 Vahterus Oy filed Critical Vahterus Oy
Publication of CA3144196A1 publication Critical patent/CA3144196A1/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
    • B30B1/32—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure
    • B30B1/34—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure involving a plurality of plungers acting on the platen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D24/00—Special deep-drawing arrangements in, or in connection with, presses
    • B21D24/005—Multi-stage presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
    • B30B1/32—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
    • B30B1/32—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure
    • B30B1/323—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure using low pressure long stroke opening and closing means, and high pressure short stroke cylinder means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/0052—Details of, or accessories for, presses; Auxiliary measures in connection with pressing for fluid driven presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/06—Platens or press rams
    • B30B15/065—Press rams
    • 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
    • F15B11/028—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force
    • F15B11/036—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force by means of servomotors having a plurality of working chambers
    • 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
    • F15B11/028—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force
    • F15B11/036—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force by means of servomotors having a plurality of working chambers
    • F15B11/0365—Tandem constructions
    • 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1409—Characterised by the construction of the motor unit of the straight-cylinder type with two or more independently movable working pistons
    • 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423—Component parts; Constructional details
    • F15B15/1428—Cylinders
    • 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/149—Fluid interconnections, e.g. fluid connectors, passages
    • 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
    • F15B3/00—Intensifiers or fluid-pressure converters, e.g. pressure exchangers; Conveying pressure from one fluid system to another, without contact between the fluids

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Press Drives And Press Lines (AREA)
CA3144196A 2019-07-29 2020-07-24 Piston-cylinder assembly of a hydraulic press Pending CA3144196A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI20195653A FI129623B (fi) 2019-07-29 2019-07-29 Hydraulipuristimen mäntä-sylinterikokoonpano
FI20195653 2019-07-29
PCT/FI2020/050504 WO2021019129A1 (en) 2019-07-29 2020-07-24 Piston-cylinder assembly of a hydraulic press

Publications (1)

Publication Number Publication Date
CA3144196A1 true CA3144196A1 (en) 2021-02-04

Family

ID=72266309

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3144196A Pending CA3144196A1 (en) 2019-07-29 2020-07-24 Piston-cylinder assembly of a hydraulic press

Country Status (8)

Country Link
US (1) US12030272B2 (https=)
EP (1) EP4004382A1 (https=)
JP (1) JP2022543550A (https=)
KR (1) KR20220039654A (https=)
CN (1) CN114144588A (https=)
CA (1) CA3144196A1 (https=)
FI (1) FI129623B (https=)
WO (1) WO2021019129A1 (https=)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US845144A (en) * 1905-12-05 1907-02-26 James A Taylor Lifting-jack.
US2956549A (en) * 1955-07-05 1960-10-18 Gen Motors Corp Dual piston cylinder
US2829498A (en) 1956-06-18 1958-04-08 Roper Engineering Company Hydraulic pressure intensifying apparatus
CH418135A (de) 1964-10-16 1966-07-31 Huegi Wilfried Hydraulische Vertikalpresse
FR2290970A1 (fr) 1974-11-12 1976-06-11 Gargaillo Daniel Perfectionnement apporte aux outillages de poinconnement, d'emboutissage et de rivetage
FR2350901A2 (fr) * 1976-05-11 1977-12-09 Gargaillo Daniel Perfectionnement apporte aux outillages de poinconnement, d'emboutissage et de rivetage
JPS6159007A (ja) * 1984-08-31 1986-03-26 Yamato Boring Kk 多段式流体圧シリンダ
JPH0762481B2 (ja) * 1992-03-19 1995-07-05 浩然 高 流体シリンダ
US6633015B2 (en) * 2000-12-08 2003-10-14 Doben Limited Soft-touch pneumatic drive unit
CN2845947Y (zh) 2005-12-06 2006-12-13 苏州市越海拉伸机械有限公司 数控液压双动拉伸机
KR100887621B1 (ko) * 2007-07-31 2009-03-12 윤택수 유압프레스
DE102010011239A1 (de) 2010-03-12 2011-09-15 GM Global Technology Operations LLC , (n. d. Ges. d. Staates Delaware) Fluidische Betätigungsaktuatorik mit einem zweistückigen Zylindergehäuse und Verfahren zur Herstellung einer solchen Betätigungsaktuatorik
EP3115120B1 (de) * 2015-07-06 2018-09-05 Feintool International Holding AG Feinschneidpresse

Also Published As

Publication number Publication date
US20220258444A1 (en) 2022-08-18
JP2022543550A (ja) 2022-10-13
KR20220039654A (ko) 2022-03-29
EP4004382A1 (en) 2022-06-01
WO2021019129A1 (en) 2021-02-04
FI20195653A1 (fi) 2021-01-30
CN114144588A (zh) 2022-03-04
US12030272B2 (en) 2024-07-09
FI129623B (fi) 2022-05-31

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Effective date: 20251203

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Free format text: ST27 STATUS EVENT CODE: N-6-6-U10-U13-U300 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: DEEMED ABANDONED - FAILURE TO RESPOND TO MAINTENANCE FEE NOTICE

Effective date: 20260309