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EP1079955A1 - Dispositif pour la mise en place d'un organe mecanique de maintien - Google Patents

Dispositif pour la mise en place d'un organe mecanique de maintien

Info

Publication number
EP1079955A1
EP1079955A1 EP98956757A EP98956757A EP1079955A1 EP 1079955 A1 EP1079955 A1 EP 1079955A1 EP 98956757 A EP98956757 A EP 98956757A EP 98956757 A EP98956757 A EP 98956757A EP 1079955 A1 EP1079955 A1 EP 1079955A1
Authority
EP
European Patent Office
Prior art keywords
clamping
arrangement
distance
pressing
measured
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.)
Granted
Application number
EP98956757A
Other languages
German (de)
English (en)
Other versions
EP1079955B1 (fr
Inventor
Ulrich Meier
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.)
Oetiker Schweiz AG
Original Assignee
Hans Oetiker AG Maschinen und Apparatefabrik
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 Hans Oetiker AG Maschinen und Apparatefabrik filed Critical Hans Oetiker AG Maschinen und Apparatefabrik
Publication of EP1079955A1 publication Critical patent/EP1079955A1/fr
Application granted granted Critical
Publication of EP1079955B1 publication Critical patent/EP1079955B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
    • B21D39/048—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods using presses for radially crimping tubular elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B25/00—Implements for fastening, connecting or tensioning of wire or strip
    • B25B25/005—Implements for fastening, connecting or tensioning of wire or strip for applying wire clasps to hose couplings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
    • B25B27/10—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting fittings into hoses
    • 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
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53004—Means to assemble or disassemble with means to regulate operation by use of templet, tape, card or other replaceable information supply
    • Y10T29/53009—Means to assemble or disassemble with means to regulate operation by use of templet, tape, card or other replaceable information supply with comparator

Definitions

  • the present invention relates to a device for arranging a mechanical retaining element, an arrangement for fastening or pressing a clamp, bracket or a press ring, a use of the device or arrangement for arranging, clamping or pressing clamps, clamps, clamps or press rings and a method for the controlled and monitored arrangement of a mechanical holding member.
  • Material data has been recorded for a long time, be it by specifying the production data, so-called “batch data or batch data", or by production units, or by referring to quality records, journals and the like.
  • information about the assembly is often missing, in particular when assembling several components which are held together, assembled or connected to one another by means of mechanical holding means, such as clamps, clips and the like.
  • the object is achieved by means of a device according to the wording according to claim 1, by means of an arrangement according to the wording according to claim 10 and by means of a method according to the wording according to claim 16.
  • the device according to the invention for arranging a mechanical holding member has on the one hand first means for setting, limiting and / or measuring a distance or a length or distance which is covered or overcome when the holding member is arranged and / or can be ascertained on the holding member , and second means for setting, limiting and / or measuring at least one force component on the holding element, which force component is built up when covering or covering the distance on the holding element or by the holding element.
  • At least one drive is provided and at least one processing element connected to the drive for arranging the holding element, the first means for setting, limiting and / or measuring sen are connected to the drive and / or the processing element in such a way that a distance or distance is covered or covered on the holding element during the processing process and / or the drive is interrupted when a certain length or distance is measured or recorded on the holding element .
  • the second means for setting, limiting and / or measuring at least one force component are connected to the processing element and / or the holding element in such a way that at least one holding force or restoring force which arises on the holding element during the arrangement can be measured.
  • an actuator for controlling and monitoring the first means for the controlled execution of the machining process is proposed, as well as a further actuator for limiting the force component built up during the machining process at a maximum value.
  • target / actual comparison arrangements are provided, on the one hand to compare the target value transmitted to the first means with the effective length or distance covered or overcome or measured on the holding element, and to compare the force component effectively measured at the end of the machining process on the machining element to compare with the corresponding setpoint.
  • the machining process is controlled and monitored by means of correspondingly entered setting values or setpoints and, on the other hand, the actual values determined or measured on the machining element during or after the machining process is recorded and with the corresponding setpoints compared, whereby if the actual values do not match the nominal values - 4 -
  • deviations are pointed out within certain tolerance ranges by means of display elements, such as optical or acoustic displays or signals.
  • an arrangement for fastening or pressing a clamp, bracket or a press ring comprising an apparatus according to the invention.
  • the proposed arrangement is particularly suitable for arranging, clamping or pressing clamps, clips, clamping rings or press rings when creating hose or pipe connections, when connecting hoses and pipes to, for example, a connecting nipple, when arranging protective bellows and the like, and also for arranging or fastening pipes, cables, hoses in engines, machines and the like.
  • Retaining member a predetermined length or distance is measured. Furthermore, a force component is measured on the holding element, which is built up during the machining process.
  • both the effectively covered distance or length or distance are measured and the force component effectively built up during the machining process, which values are compared with corresponding target values within certain tolerance ranges, where - 5 -
  • both setpoints and actual values are set or recorded in an electronic control, measurement and test arrangement, by means of which arrangement the machining process is controlled on the one hand and the setpoint / actual comparison is carried out on the other hand, and in the end the arrangement is preferably or storage means coupled to the arrangement are provided, in which both the target and the actual values for the respective machining process are recorded, so that the machining process can also be checked or understood at a later point in time.
  • FIG. 1 schematically, an arrangement for the controlled and monitored execution of a machining process for the arrangement of a pipe clamp
  • FIG. 2 shows schematically a pressing tongs for arranging a pipe clamp
  • FIG. 3 shows the processing member or the jaws of the pressing tongs from FIG. 2;
  • FIGS. 1 to 3 the pressing or clamping process by means of a clamp, shown in FIGS. 1 to 3;
  • FIG. 7 the pressing tool from FIG. 6 in the open state.
  • Fig. 1 shows schematically an arrangement for the controlled and verifiable arrangement of a clamping ring, for example when arranging a plastic or rubber hose on a connecting nipple, or for the production of a pipe-hose connection, for example in hydraulics or in automobiles.
  • Various processing parameters can be set and checked on a control, measuring and testing arrangement 1, which are essential when arranging a clamp or clamp 33 so that the hose nipple or. Hose-pipe connection can be created reliably in accordance with the required quality standards.
  • Various lengths or distance values 3 can initially be set on the arrangement 1, for example in order to be able to determine the distance covered during processing or by a length or a distance on the arranged clamp or strap.
  • the arrangement 1 further includes setting options for tolerance values 5, within which the distance or length or distance can vary.
  • the effectively covered path or the measured ne length or distance 9 is displayed, on the basis of which display a further display 7, for example visually, shows whether the set or predetermined target value 3 has been reached within the tolerances 5 during the machining process or not.
  • the displays 7 can have red and green lamps, green lighting up in the positive case and red in the negative case.
  • acoustic signals can also be provided so that it is immediately apparent whether the setpoint has been reached.
  • buttons 11 are arranged, by means of which the operating conditions during processing can be set. So the processing speed, the reset speed, etc. can be selected with the adjusting buttons 11.
  • An input 13 is also provided in order to set the desired value of the clamping force or restoring force to be achieved on the clamping ring or the clamps during the machining process.
  • a tolerance quantity 15 is provided as well as displays 17, on which it is shown whether the value shown in the display 19 and measured on the clamping ring or the bracket corresponds to the target value 13.
  • the arrangement 1 now controls the clamping pliers 29, which have two pliers jaws or pliers legs 31 on their front side, for carrying out the processing or fixing operation of the clamp 33 for attaching a hose 37 to a pipe or pipe nipple 39.
  • Fig. 2 the clamping pliers 29 is shown enlarged, for example on the back of this clamping pliers 29 a trigger - 8th -
  • button 26 can be provided to trigger the clamping or pressing operation.
  • the triggering or carrying out of the clamping or pressing process can also be carried out by a corresponding control on the arrangement 1, or the triggering can take place automatically periodically, in particular if it is an automated or robot-like mode of operation.
  • One or more pressure pistons or pressure cylinders are arranged in the front area 30 of the clamping pliers 29 (not shown), as is generally known from the prior art for operating a clamping pliers.
  • a clamping wedge 32 is actuated in a longitudinally displaceable manner, which drives two rollers 38 apart when moving forward, which, respectively, for the joining together. Drifting apart of the two pliers legs 31 is responsible.
  • These jaws 31 are held in the processing head 40 by means of bolts 42.
  • the machining head 40 is enlarged and shown in the exploded state, the longitudinal wedge 32 being shown protruding from the front section 30.
  • a spacer bush 36 is arranged on the one hand and a return spring 34 abutting the spacer bush.
  • FIGS. 3a to 3d The machining process according to the invention is shown schematically with reference to FIGS. 3a to 3d.
  • 3a shows the two pliers legs 31 in the starting position, ie spaced apart by the value a.
  • the two clamp legs 31 are driven together, as shown in FIG. 3b.
  • the control, measuring and test arrangement it can now be entered that after machining a clamping ring or a clamp the two clamping legs 31 are driven together to an end distance b.
  • the path traveled by the two clamping legs 31, ie the value ab can also be entered.
  • an ear clip 33 By pressing together, for example, an ear area 35 of a clamping ring, respectively.
  • An ear clip 33 as shown in FIG. 3 c, of course generates a restoring or clamping force which acts on the two clamping legs 31.
  • the force Kl which acts on the two clamping legs 31 through the ear 35, is practically zero.
  • control, measuring and testing arrangement 1 according to FIG. 1 is shown enlarged in FIG. 4, ie the various setting buttons and displays are now clearly recognizable.
  • the distance b can be set at the setpoint 3, the starting position a of the pliers legs 31 and also a so-called holding position a ', in which, for example, the clamping ear 35 shown in FIG. 3c can already be held.
  • This holding position is particularly important for robot processing, where a robot - left
  • Terarm comprising the pipe wrench
  • this clamp 33 is moved away by pivoting the robot arm and placed over a pipe or hose, which in turn is automatically put over a nipple or another pipe , then the process according to the invention for arranging the clamping ring or the clamp is then carried out automatically.
  • the robot arm is then automatically swiveled away again in order to carry out another machining operation.
  • Corresponding tolerance values 5 can be set for all three adjustable target values 3.
  • a display 7 is provided, which shows whether the entered target value is being maintained or not.
  • the value measured on the clamping ring or the clamp is shown on a display 9.
  • the pressing speed can be adjusted, i.e. the speed at which the wedge 33 is driven forward in order to actuate the two clamping jaws or clamping wedges 31.
  • a setting is also provided by means of which the re-opening or retraction of the clamping wedge 32 can be adjusted.
  • setpoints 13 can be entered for the force to be achieved or set, whereby on the one hand the final clamping force K3 to be achieved and the maximum pressing force to be applied during the clamping process can be set.
  • the tolerance can be set, and displays 17 can be used to determine whether the actual values correspond to the target values. The actual value is again shown on a display 19. - 12 -
  • the arrangement also includes adjusting buttons 21, by means of which the operating mode can be set, i.e. whether, for example, the intermediate holding step is inserted during assembly or whether the pliers directly carry out the movement from distance a to distance b.
  • a display 23 finally shows whether the entire clamping or pressing process has been successfully or not successfully completed.
  • a plug device 24 is provided, on which the pressure and control lines 25 and 27 can be arranged.
  • This plug-in device 24 or the corresponding plug can be coded, so that when setpoints are entered in the arrangement 1, only one pair of clamping pliers corresponding to these setpoints can be inserted.
  • the clamping or pressing process is shown in diagram form, line 51 representing the pliers travel during assembly and line 53 the clamping force generated between the pliers by the clamping ring or pressing ring.
  • area P ear 35 is clamped or pressed together, as shown in FIGS. 3c and 3d.
  • the two pliers jaws 31 cover the path shown in FIG. 5 until the two pliers tips have approached, for example, 2.5 mm. Then the machining process is interrupted, the force component 53 also being measured in this area P at the same time. It clearly shows that the power build-up when
  • FIG. 6 shows a further example of a processing element for arranging a press ring, for example. It is a circular pressing arrangement 61, suitable for arranging a pressing ring, for example in order to slip a rubber bellows over a cardan shaft, such as in automobile construction, and to arrange it firmly.
  • 6 shows the assembly arrangement 61 for the press ring in longitudinal section and FIG. 6a in top view, wherein a connection 63 is again provided for the actuation of the assembly arrangement, for connecting the assembly arrangement to the control, for example via electrical lines and via a hydraulic line .
  • Controlled actuation of the assembly arrangement moves a guide block 65 in the direction of the arrow, as a result of which two cams 67 are moved within a corresponding slot or a saving.
  • two cams 67 By moving the two cams 67, two mutually separate circular halves 69 'and 69''of the pressing tool are moved in the direction of the arrow 76, as a result of which 73 cams 71 are moved in the direction of the arrow 68 in slots.
  • the pressing jaws 70 are in turn driven radially inward in the direction of arrow 68.
  • a pressing ring arranged in this way within the pressing jaws 70 is pressed or pressed evenly, for example on the above-mentioned rubber bellows, in order to firmly connect the bellows to a drive shaft, for example.
  • FIGS. 1 to 7 are of course only examples which are intended to serve to explain the present invention in more detail. Basically, it is a matter of any type of mechanical holding or fastening means, the device or arrangement and the method defined according to the invention being particularly suitable for arranging clamps, clamping rings, press rings, clips, cable ties and the like.
  • Ear clips and earless clips are also known from a large number of other patents. With regard to a press ring, reference is made, inter alia, to CH 679 945 and EP 543 338.
  • the above-mentioned invention enables the monitored and regulated arrangement, clamping and pressing of any holding and fastening means, the drive being able to be carried out pneumatically, hydraulically and electromechanically.
  • sensors, electronic control ect it should also be mentioned that this is per se - 15 -
  • a standing electropneumatic pliers based on the clamping pliers 29, as shown in FIG. 1, is equipped with sensors and control and evaluation electronics in order to be able to adjust the physical parameters of the clamping position, the clamping movement and the force in an adjustable manner.
  • the detected physical quantities can be compared with the set values on the display 1 (FIG. 1, FIG. 4), and evaluation information can be derived as a result of the comparison.
  • the clamp opening position can assume any position via a displacement control loop.
  • An optimal state is when the forceps opening position is slightly larger than the ear 35 of the ear clip 33. Two operating modes can be selected from this position for pressing the ear.
  • the force control loop monitors the force curve at all times and prevents the maximum force from being exceeded. If the maximum force is reached, this force is either continued to be pressed until the set path has been reached or, if this is not possible, the pliers remain in their position. If the force is not reached in accordance with the specification, the pliers close to the pressing position.
  • This holding position is not a predetermined size, but results when a holding force is reached, which must be such that it holds the ear without deforming it.
  • a further trigger closes the pliers from the holding position to the pressing position b according to their speed specification.
  • the force control loop monitors the force curve at all times and prevents the maximum from being exceeded
  • Pliers are in their position. If the force is not reached in accordance with the specification, the pliers close to the pressing position b.
  • An optimal pressing is achieved when the ear has reached a pressing position corresponding to the data sheet while applying a defined pressing force.
  • tolerance and time monitors are available, which o.k. Signal 23, a non-o.k. if the specification is exceeded or not reached. Generate signal 23.
  • the physical quantities of the path and the force are also available alphanumerically 9, 19 at an interface.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Assembly (AREA)
  • Clamps And Clips (AREA)
  • Flanged Joints, Insulating Joints, And Other Joints (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
  • Wire Bonding (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Golf Clubs (AREA)
  • Wire Processing (AREA)
  • Slide Fasteners (AREA)
  • Supporting Of Heads In Record-Carrier Devices (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)

Abstract

L'invention concerne un dispositif utilisé pour mettre en place des organes mécaniques de maintien, qui comporte des premiers moyens, lesquels servent au réglage, à la limitation et/ou à la mesure d'une course, d'une longueur ou d'une distance lors de la mise en place de l'organe de maintien. Il comporte en outre des seconds moyens, lesquels servent au réglage, à la limitation et/ou à la mesure d'au moins une composante de force au niveau de l'organe de maintien, composante qui est produite lorsque ladite course est parcourue ou dépassée sur l'organe de maintien, ou qui est produite par l'organe de maintien lui-même.
EP98956757A 1998-02-26 1998-12-09 Dispositif pour la mise en place d'un organe mecanique de maintien Expired - Lifetime EP1079955B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH46098 1998-02-26
CH46098 1998-02-26
PCT/CH1998/000522 WO1999043473A1 (fr) 1998-02-26 1998-12-09 Dispositif pour la mise en place d'un organe mecanique de maintien

Publications (2)

Publication Number Publication Date
EP1079955A1 true EP1079955A1 (fr) 2001-03-07
EP1079955B1 EP1079955B1 (fr) 2002-05-15

Family

ID=4187524

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98956757A Expired - Lifetime EP1079955B1 (fr) 1998-02-26 1998-12-09 Dispositif pour la mise en place d'un organe mecanique de maintien

Country Status (26)

Country Link
US (2) US6430979B1 (fr)
EP (1) EP1079955B1 (fr)
JP (1) JP4642228B2 (fr)
KR (1) KR100570485B1 (fr)
CN (1) CN1138616C (fr)
AR (1) AR012783A1 (fr)
AT (1) ATE217563T1 (fr)
AU (1) AU744076B2 (fr)
BR (1) BR9815688B1 (fr)
CA (1) CA2322227C (fr)
CZ (1) CZ301437B6 (fr)
DE (1) DE59804162D1 (fr)
ES (1) ES2177088T3 (fr)
HK (1) HK1033815A1 (fr)
HR (1) HRP20000554B1 (fr)
HU (1) HU222550B1 (fr)
NO (1) NO315189B1 (fr)
PL (1) PL191009B1 (fr)
PT (1) PT1079955E (fr)
RU (1) RU2244605C2 (fr)
SI (1) SI1079955T1 (fr)
SK (1) SK285950B6 (fr)
TR (1) TR200002497T2 (fr)
TW (1) TW403818B (fr)
WO (1) WO1999043473A1 (fr)
ZA (1) ZA99267B (fr)

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US12220878B2 (en) 2019-06-14 2025-02-11 Swiss Tech Innovation AG Pipe joint applicator and method for producing a joint

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US9463556B2 (en) * 2012-03-13 2016-10-11 Hubbell Incorporated Crimp tool force monitoring device
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USD871865S1 (en) * 2019-03-28 2020-01-07 Dana A. Higgins Foldable tool for installation of a child car seat in a vehicle
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Also Published As

Publication number Publication date
SK285950B6 (sk) 2007-11-02
CN1138616C (zh) 2004-02-18
KR20010041355A (ko) 2001-05-15
SK11322000A3 (sk) 2001-01-18
CZ301437B6 (cs) 2010-03-03
HK1033815A1 (en) 2001-09-28
JP2002504436A (ja) 2002-02-12
PL346853A1 (en) 2002-03-11
HRP20000554B1 (en) 2008-09-30
CA2322227A1 (fr) 1999-09-02
KR100570485B1 (ko) 2006-04-13
DE59804162D1 (de) 2002-06-20
PT1079955E (pt) 2002-10-31
AU1330599A (en) 1999-09-15
PL191009B1 (pl) 2006-03-31
AU744076B2 (en) 2002-02-14
TW403818B (en) 2000-09-01
NO20004294L (no) 2000-08-28
HUP0100693A2 (hu) 2001-06-28
ZA99267B (en) 1999-07-15
HRP20000554A2 (en) 2001-08-31
TR200002497T2 (tr) 2000-12-21
BR9815688B1 (pt) 2012-01-10
WO1999043473A1 (fr) 1999-09-02
EP1079955B1 (fr) 2002-05-15
JP4642228B2 (ja) 2011-03-02
NO20004294D0 (no) 2000-08-28
US20020148265A1 (en) 2002-10-17
RU2244605C2 (ru) 2005-01-20
HU222550B1 (hu) 2003-08-28
SI1079955T1 (en) 2002-08-31
US6430979B1 (en) 2002-08-13
HUP0100693A3 (en) 2001-07-30
BR9815688A (pt) 2000-10-24
CZ20003067A3 (cs) 2001-07-11
CA2322227C (fr) 2007-05-15
AR012783A1 (es) 2000-11-08
US6799448B2 (en) 2004-10-05
ATE217563T1 (de) 2002-06-15
NO315189B1 (no) 2003-07-28
ES2177088T3 (es) 2002-12-01
CN1284906A (zh) 2001-02-21

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