EP0966610B1 - Dispositif haute pression - Google Patents

Dispositif haute pression Download PDF

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Publication number
EP0966610B1
EP0966610B1 EP98913719A EP98913719A EP0966610B1 EP 0966610 B1 EP0966610 B1 EP 0966610B1 EP 98913719 A EP98913719 A EP 98913719A EP 98913719 A EP98913719 A EP 98913719A EP 0966610 B1 EP0966610 B1 EP 0966610B1
Authority
EP
European Patent Office
Prior art keywords
pressure
drive means
frame arrangement
generation means
drive
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 - Lifetime
Application number
EP98913719A
Other languages
German (de)
English (en)
Other versions
EP0966610A1 (fr
Inventor
Theodor Funck
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.)
Resonic Instruments AG
Original Assignee
Resonic Instruments AG
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 Resonic Instruments AG filed Critical Resonic Instruments AG
Publication of EP0966610A1 publication Critical patent/EP0966610A1/fr
Application granted granted Critical
Publication of EP0966610B1 publication Critical patent/EP0966610B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/22—Arrangements for enabling ready assembly or disassembly
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/008—Spacing or clearance between cylinder and piston
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/70—Interfitted members
    • Y10T403/7062—Clamped members
    • Y10T403/7064—Clamped members by wedge or cam
    • Y10T403/7066—Clamped members by wedge or cam having actuator
    • Y10T403/7067—Threaded actuator
    • Y10T403/7069—Axially oriented

Definitions

  • the invention relates to a device for high pressure generation in a pressure fluid, in particular a cylinder / piston pressure device.
  • the mutual fixation of the components more conventional High pressure equipment is disadvantageous because the operation of the High pressure device is limited to a pressure range, the by the cylinder size of the built-in impression cylinder is set.
  • a pressure range i.e. different active cylinder volumes required
  • a corresponding number of High pressure devices are provided.
  • the object of the invention is to provide an improved high-pressure device specify the disadvantages of conventional High pressure devices are overcome and the particular simplified handling, easier maintenance and an extended area of application while guaranteeing a high accuracy and reproducibility of the pressure setting having.
  • ⁇ are drive means and pressure generating means a high-pressure device with one another via a frame arrangement connected, which is set up that both components are detachable from one another in the depressurized state and can be easily separated.
  • the frame arrangement is like this designed that with respect to a power transmission direction (especially in the direction of thrust to build up pressure) Stop is formed so that the drive and pressure generating means are positioned fixed to each other.
  • the frame arrangement is also designed so that the two Components in a separation direction that differ from the power transmission direction distinguishes, move freely or separate to let.
  • the direction of power transmission and the direction of separation preferably form an angle that is substantially equal Is 90 ° or less than 90 °.
  • the stop is thus through a substantially rectangular box or substantially U-shaped with one side open in the separating direction.
  • the drive means with the frame arrangement fixed (permanent) connected while the pressure generating means to the frame assembly are in releasable engagement.
  • the drive means thus form a non-removable unit, depending on the
  • the pressure generating means can be applied with simple means are.
  • FIG. 1A comprises a drive unit or drive means 10, a frame arrangement 20 and a printing unit or pressure generating means 30 that are common in a closed safety housing (not shown) are accommodated.
  • Fig. 1A shows schematically of the Top of the high pressure device the individual components, as they are arranged on the base plate 210.
  • the bottom plate 210 has a recess 211 for access is set up on the pressure generating means 30 (see below).
  • FIG. 1B schematically shows an overall view of the high-pressure device with the security housing 40, wherein the pressure generating means 30 separated from the high pressure device in dismantled state are shown.
  • the drive means 10 comprise (according to FIG. 1A) a motor drive 110, a gear arrangement 120, a spindle arrangement 130 and a ball joint assembly 140, which is used for power transmission on the pressure generating means 30 are provided.
  • the motor drive 110 includes a DC motor 111, on the axis of which an encoder device 112 is provided.
  • the Encoder device 112 allows detection and control the motor position and thus the pressure generated (see below).
  • the high-pressure device is preferably operated computerized.
  • the gear arrangement 120 forms a means for increasing the Torque and for reversing the axis direction.
  • the axis reversal represents a major advantage for the compact design the high-pressure device according to the invention.
  • the torque reduction is required primarily from the DC motor 111 provided torque into high torque to implement, which via the spindle assembly 130 Generation of the required thrust forces on the ball joint 140 allowed.
  • the gear arrangement 120 comprises a planetary gear 121 and a reduction gear 122.
  • the spindle arrangement 130 comprises a spindle nut 131, which is fixed or non-positive with the driven gear of the reduction gear 122 connected and in the Cross members 231 and 232 of the frame assembly 20 with ball bearings is movably mounted, and the spindle screw 132.
  • the frame arrangement 20, which according to the invention is separable Connection of the drive means 10 and the pressure generating means 30 is provided by parts of the base plate 210, Receiving blocks 220A, 220B, the holding walls 230A, 230B (so-called Sidewalls), the cross members 231, 232 and the connecting plate 233 formed. All of these parts are fixed together connected and represent the framework that the absorbs forces occurring during pressure generation.
  • the bottom plate 210 has between the retaining walls 230A, 230B and Receiving blocks 220A, 220B through an access recess 211 which have access to the ball joint assembly 140 and the Pressure generating means 30 from the outside (in the standing position from below) is made possible without opening the housing must (see Fig. 1B).
  • the compounds are preferred formed by screw connections. Details of the recording blocks 220A, 220B are described with reference to FIGS. 2A, B and 3 explained.
  • the sidewalls 230A, 230B each have a recess 240A, 240B for receiving a limit switch plate 150 (see Fig. 5).
  • the pressure generating means 30 contain a cylinder / piston pressure device, of that in Figs. 1A and 1B only the end of cylinder 320 and part of piston rod 310 whose end 311 is shown with the ball joint arrangement 140 is in contact.
  • the remaining parts of the, not shown Pressure device are in the neck body 340, which at one end with a pressure plate 330 (s. Fig. 3) and at the other, pressure-side end with a pressure distributor 360 (see FIG. 6).
  • This connection is realized by several bolts, their dimensions selected taking into account the desired tensile strength are to the pressure plate 330, the neck body during operation 340 and to hold the pressure distributor 360 together securely.
  • the Screw bolts for holding the pressure generating means 30 together and the pressure plate 330 are made of steel. Because the rest Parts of the pressure generating means 30 are only subjected to pressure be made of aluminum, for example be made.
  • the pressure plate 330 has over the outer Shape of the extension body 340 protruding projections, the Function below in relation to the fig. 2 and 3 is explained.
  • the pressure plate 330 also has a plurality of through openings 332 for the bolts and a central opening 333 for the high pressure cylinder 320. Deviating from the shown The pressure plate and the neck body can also be constructed be carried out integrally.
  • FIG. 2A shows a perspective view of the end of the frame assembly 20 with the receiving blocks 220A, 220B, side walls 230A, 230B and a connecting plate 233, for reasons of clarity in the figures 1A, 1B not shown is.
  • FIG. 2B shows a side view of the receiving block 220A, the for receiving one of the projections of the pressure plate 330 of the Pressure generating means 30 is provided.
  • the recording block 220B is constructed analogously.
  • the receiving block 220A is on its underside (i.e. the side facing the bottom plate 210 with the access opening) has a substantially U-shaped Recess 221 in which one of the projections 331 of the pressure plate 330 can be used with a positive fit.
  • a sidewall 222 the recess 221 forms a stop for the pressure plate 330 or the thrust caused by the movement of the spindle, ball joint and piston in the direction of arrow P on the pressure plate 330 is transmitted.
  • the two side walls 222 each on the two lateral mounting blocks 220A, 220B take up the total thrust that is exerted by the Transfer drive means to the pressure generating means becomes.
  • Each receiving block 220 is provided with an angle 224, which is screwed to the respective side wall 230.
  • a threaded bore 223 is provided, which is a screw connection with the pressure plate 330 receives. This screw connection is only for the safe Seat of the pressure generating means without power transmission contribute. Therefore, the screw connection 223 is not a special one Strength requirement to make what is more advantageous Way an easy interchangeability of the pressure generating means 30 enables, as will be explained in more detail below.
  • the recess 221 does not extend to to the base plate. Rather, the base of the recess 221 a distance above the base plate, on the one hand the attachment of the threaded bore 223 allows and on the other hand the orientation of the pressure generating means 30 in relation on the ball joint assembly 140 is facilitated.
  • the receiving blocks 220A, 220B are so on the side parts 230A, 230B of the frame and attached to the bottom plate 210, that the front walls 222 of the recesses 221 exactly in a plane that is perpendicular to the direction of the occurring Pressure is.
  • the pressure plate 330 engages with little Play with their side protrusions 331 in them Recesses 221 of the receiving blocks from below and will held in this position by two screws. To this In this way, the pressure plate 330 takes the pressure generated occurring forces and transmits them via the receiving blocks on the frame construction.
  • the ball joint body 141 of the ball joint assembly 140 (see. Fig. 1A) is partially in Fig. 4 in a view from below enlarged as a horizontal section along the central axis shown.
  • the support ball 142 In the middle of the joint body 141, which is on Is the end of the spindle 132, the support ball 142 is so recessed that the spherical surface on that of the spindle exposed side is exposed. The spherical surface protrudes into the Recess 143, which receives the end 311 of the piston rod 310 is provided.
  • This end has a cantilever, adapted to the shape of the shape of the recess 143 is that an engagement is formed through which the piston rod 310 either by the pressure of the ball surface for forward pressure generation or for pressure relief by the recess 143 can be moved back.
  • This recess 143 in the ball joint body 141 is down open and the piston rod end 311 has the exception in this way much play that the piston rod end easily out of the ball joint body 141 can be disengaged if this connection has been brought into a position in which no pushers or Traction is transmitted.
  • the recess 143 of the ball joint assembly 140 closed by a cover (not shown), which is screwed into the threaded holes 144 with the joint body 141 is.
  • roller bearings On the closed top of the spherical joint body 141 are horizontal on both sides perpendicular to the movement device Boom attached (not shown) to the There are ball-bearing rollers at the ends. These roller bearings are based on the between the recesses 240A and 240B of the retaining walls 230A and 230B attached limit switch plate 150 and prevent the spindle 132 from rotating during forward or backward movement.
  • the ball joint arrangement 140 As an alternative to the ball joint arrangement 140, another one can also be used Power transmission means are used.
  • the ball joint arrangement 140 is preferred because the ball is one Ensures one-point contact with the end of the piston rod, so that there is always a clear connection between the position the motor (or the position of the ball joint arrangement 140) and the position of the piston 310 (or the pressure value in the impression cylinder). This is especially true at high Accuracy and reproducibility requirements from Importance.
  • Another advantage of the ball support is that that the mechanical centering of the piston rod 310 in the pressure generating means 30 through contact with the Power transmission means is not disturbed.
  • the figures 6A and 6B show an example of a pressure distributor 360, which is attached to the pressure generating means 30 and 363 high pressure connections connected to its screw connections can be.
  • FIG. 6A The view from the mounting side (Fig. 6A) shows four Threaded blind holes 361 for receiving the bolts with which the pressure distributor 360 with the attachment body 340 and the Pressure plate 330 is connected and through which the high pressure tight connection of the pressure cylinder 320 with the Connection approach 362 of the pressure distributor 360 made becomes.
  • a bore 364 leads from the connecting attachment in the pressure distributor 362 to a plurality of pressure ports 363.
  • 6B shows a section through the pressure distributor 360 Connection approach 362, the pressure ports 363 and the to Bores 364.
  • the pressure generating means 30 form a high pressure unit, which is easily interchangeable. It can be done with minimal effort and separated from the drive means 10 with little expertise and without opening the security housing from the frame assembly 20 can be solved.
  • the expansion of the high pressure unit takes place in such a way that first the piston in its front End position brought and by a small backward movement the frictional connection in the ball joint arrangement is canceled. These movements of the pressure piston are appropriately automatic executed under the control of a computer. After that the small part 211 which closes the assembly opening Bottom plate 210 removed. Then the lid of the Recess 143 in joint body 141 of the ball joint removed, the two screws that hold the pressure plate 330 in the receiving blocks is held, released and the high pressure unit through the mounting opening down out of the device removed.
  • high pressure units with different active Exchange volumes easily. So high pressure units for example with pressure cylinders with a volume of 3.3 ml, 6.6 ml or 10 ml, each corresponding Reach final pressures of 2.5 kbar, 1.6 kbar or 1 kbar.
  • the easy interchangeability of the high pressure unit provides in particular for the maintenance of the high pressure seals a decisive advantage. Since the invention High pressure device through an accurate Stability of the set with the high pressure device Pressure, high accuracy requirements can be placed on the device be put. Can be used in extended operation these requirements in the event of defects by simple Replacement of the high pressure device can be guaranteed.
  • the set pressure remains constant for several days. A pressure drop occurs only through diffusion processes on the Piston seal and is around one per thousand per day.
  • the compact design and drive with a DC motor allow easy adjustment of the high pressure device the most diverse technical requirements.
  • An important aspect of the high-pressure device is that in releasable connection standing components of the frame arrangement and the pressure generating means include milled parts that are computer controlled Machines with a machining accuracy of the order of magnitude of 10 ⁇ m can be produced. This is reproducible Positioning the pressure generating means in relation guaranteed on the drive means with high accuracy.
  • the connections between the individual components which are the frame arrangement or the drive means given by screw connections, so disadvantages arising from other connection types, e.g. Welded connections could be avoided.
  • the high-pressure device according to the invention is simply below Use of a pressure gauge on the pressure distributor 360 (see Fig. 6A, 6B) can be operated, but can also be operated with a computer control be provided, based on stored calibration curves considering the pressure setting a signal from a pressure sensor and a position signal of the encoder device 112.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Press Drives And Press Lines (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Measuring Fluid Pressure (AREA)

Claims (6)

  1. Dispositif à haute pression, qui présente des moyens d'entraínement (10) et des générateurs de pression (30) pouvant être activés par les moyens d'entraínement afin de produire de la pression dans un fluide sous pression, où une structure à cadres (20) est prévue, à travers laquelle les moyens d'entraínement et les générateurs de pression se trouvent en raccord amovible, caractérisé en ce que la structure à cadres (20) forme une butée de direction de transmission de force pour les générateurs de pression (30) et est disposée de telle sorte que, par rapport à la direction de transmission, les moyens d'entraínement (10) et les générateurs de pression (30) sont positionnés de façon relativement fixe les uns par rapport aux autres et par rapport à une direction autre que la direction de transmission, en mode détendu, ils sont placés de façon relativement mobile les uns par rapport aux autres.
  2. Dispositif à haute pression selon la revendication 1, pour lequel la structure à cadres (20) est composée d'une plaque de support (210), de parois de support (230A) et (230B), de barres transversales (231) et (232) d'une plaque de jonction (233) et de blocs récepteurs (220A) et (220B) pour lequel, suite à l'effet gravitationnelle, les moyens d'entraínement sont montés dans la structure à cadres et les générateurs de pression sont placés dans les blocs récepteurs.
  3. Dispositif à haute pression selon la revendication 2, pour lequel les moyens d'entraínement et les générateurs de pression sont disposés dans un boítier de sécurité et une plaque de fond représente la plaque de support de la structure à cadres.
  4. Dispositif à haute pression, selon la revendication 3, pour lequel les générateurs de pression (30) comprennent un poussoir à vérin/piston, relié à une plaque de compression (330), elle-même installée dans les blocs récepteurs (220) pour une utilisation mécanique et qui transmet la force de compression à la structure à cadres.
  5. Dispositif à haute pression, selon la revendication 4, pour lequel les moyens d'entraínement (10) contiennent une commande de broches (130) qui permet d'activer une tige de piston du poussoir à vérin/piston par l'intermédiaire d'une structure détachable à articulation sphérique (140)
  6. Dispositif à haute pression, selon l'une des revendications précédentes, selon lequel la structure à cadres forme une butée en U et selon lequel, lorsqu'ils sont en mode détendu, les moyens d'entraínement et les générateurs de pression se déplacent relativement librement les uns par rapport aux autres vers la partie ouverte de la butée.
EP98913719A 1997-03-14 1998-03-13 Dispositif haute pression Expired - Lifetime EP0966610B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19710717 1997-03-14
DE19710717A DE19710717C2 (de) 1997-03-14 1997-03-14 Hochdruckeinrichtung
PCT/EP1998/001489 WO1998041761A1 (fr) 1997-03-14 1998-03-13 Dispositif haute pression

Publications (2)

Publication Number Publication Date
EP0966610A1 EP0966610A1 (fr) 1999-12-29
EP0966610B1 true EP0966610B1 (fr) 2002-07-17

Family

ID=7823446

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98913719A Expired - Lifetime EP0966610B1 (fr) 1997-03-14 1998-03-13 Dispositif haute pression

Country Status (11)

Country Link
US (1) US6279453B1 (fr)
EP (1) EP0966610B1 (fr)
JP (1) JP2001515559A (fr)
KR (1) KR20000076256A (fr)
AT (1) ATE220763T1 (fr)
AU (1) AU6831398A (fr)
BR (1) BR9808868A (fr)
CA (1) CA2282749A1 (fr)
DE (2) DE19710717C2 (fr)
NO (1) NO994430L (fr)
WO (1) WO1998041761A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6968772B2 (en) * 2003-09-03 2005-11-29 Taiwan Semiconductor Manufacturing Co., Ltd. Slide-type cylinder coupling for CMP load cup
US7480403B2 (en) * 2004-11-16 2009-01-20 International Business Machines Corporation Apparatus, system, and method for fraud detection using multiple scan technologies
KR101642940B1 (ko) 2015-11-19 2016-07-29 주식회사 엠앤디 Posrv 설정압 시험을 위한 다중 실린더 가압장치
US10705554B2 (en) 2017-04-28 2020-07-07 Graco Minnesota Inc. Solenoid valve for a portable hydraulic power unit
EP3514380A1 (fr) * 2018-01-23 2019-07-24 Maximator Gmbh Compresseurs et procédé de compression d'un milieu de travail
USD977426S1 (en) 2019-12-13 2023-02-07 Graco Minnesota Inc. Hydraulic power pack

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR694342A (fr) 1930-04-23 1930-12-02 Pompe
US2727466A (en) * 1950-03-01 1955-12-20 Technicon International Ltd Pump
US4331883A (en) * 1979-10-29 1982-05-25 Grenco S.P.A. Portable power supply unit
KR100274226B1 (ko) * 1993-07-13 2000-12-15 아더 조나스 고압 펌프 시스템과 그 작동방법
DE4420744C2 (de) 1994-06-15 1997-07-31 Trw Fahrwerksyst Gmbh & Co Verfahren und Vorrichtung zur Montage eines Servoventils
US5494414A (en) * 1994-12-02 1996-02-27 Mi-T-M Corporation Vertical shaft pressure washer coupling assembly
US5656034A (en) * 1995-03-31 1997-08-12 Perkin Elmer Corp High-pressure micro-volume syringe pump
FR2744175B1 (fr) 1996-01-25 1998-03-27 Geodesign Sa Pompe pour l'injection a tres haute pression d'un liquide dans un appareil recepteur

Also Published As

Publication number Publication date
NO994430L (no) 1999-11-15
CA2282749A1 (fr) 1998-09-24
AU6831398A (en) 1998-10-12
WO1998041761A1 (fr) 1998-09-24
DE19710717A1 (de) 1998-09-24
EP0966610A1 (fr) 1999-12-29
ATE220763T1 (de) 2002-08-15
JP2001515559A (ja) 2001-09-18
BR9808868A (pt) 2000-07-11
NO994430D0 (no) 1999-09-13
DE19710717C2 (de) 2001-09-20
DE59804802D1 (de) 2002-08-22
US6279453B1 (en) 2001-08-28
KR20000076256A (ko) 2000-12-26

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