EP1862715A1 - Dispositif de presse - Google Patents

Dispositif de presse Download PDF

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Publication number
EP1862715A1
EP1862715A1 EP07405143A EP07405143A EP1862715A1 EP 1862715 A1 EP1862715 A1 EP 1862715A1 EP 07405143 A EP07405143 A EP 07405143A EP 07405143 A EP07405143 A EP 07405143A EP 1862715 A1 EP1862715 A1 EP 1862715A1
Authority
EP
European Patent Office
Prior art keywords
pressure
engagement
pressing
pressing device
pressed
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
EP07405143A
Other languages
German (de)
English (en)
Other versions
EP1862715B1 (fr
Inventor
Martin Brönnimann
David Gerber
Ernst Gerber
Peter Tester
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.)
Rego Fix AG
Original Assignee
Rego Fix 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 Rego Fix AG filed Critical Rego Fix AG
Publication of EP1862715A1 publication Critical patent/EP1862715A1/fr
Application granted granted Critical
Publication of EP1862715B1 publication Critical patent/EP1862715B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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

Definitions

  • the present invention relates to a pressing device for relative axial displacement of two coaxial with each other and only by means of high compression pressure against each other displaceable parts with the parts to be compacted coaxially comprehensive housing which in the closed state at least one coaxial annular engagement edge for engagement on one of the parts to be pressed a pressure plate axially displaceable inside the housing, having a coaxial annular engagement edge for engaging the second part to be pressed and a number of pressure cylinders annularly equiangularly spaced between the housing and the pressure plate.
  • Pressing operations of this kind are used, for example, in the pressing of pipe ends or shaft connections.
  • High compression pressures are required because the friction must be overcome by a tight fit and in many cases additional material deformation must be effected.
  • a typical example is the pressing and squeezing of collets or sleeves in corresponding tool or collet holder in machine tools.
  • the collets or sleeves with the tool shank used can not readily in the recording of the collet holder introduced and fixed with a clamping nut or vice versa removed after loosening the clamping nut, but must be pressed in with high pressure and again squeezed out.
  • This pressing in and out have disadvantages.
  • a pressing device that fulfills these tasks is in the CH-A-0862/03 described.
  • this known device is only suitable for one tool size, ie, different devices are required for different tool sizes.
  • Another problem with the known device is that the required pressing pressure is not readily adjustable.
  • the invention has for its object to provide a pressing device that can accommodate different tool or workpiece sizes and with each adjusted pressures or can press out.
  • a pressing device of the type mentioned above which is characterized by an outer housing and insertable therein insert of at least partially separable shells, each having two fixed plates with engagement edges for engagement on one of the parts to be pressed and a axially movable pressure plate having an engagement edge for engagement on the second part to be pressed.
  • Fig. 1 shows the essential parts of a pressing device according to the invention, wherein details such as hinge, closure, hydraulic lines, etc. are omitted in this illustration for the sake of clarity.
  • An outer housing 1 consists of two mutually rotatable about a connecting axis shells 2, each consisting of an upper part 3 and a rigidly connected to this bottom part 4.
  • Each half-shell has a recess 5 in which a slot of a lower fixed plate 6, an upper fixed plate 7 and a displaceable between the two fixed plates pressing plate 8 is inserted.
  • the two slots in the half-shells together form a removable jaw assembly, which fully includes inserted tool or workpiece parts when the two half-shells of the housing are closed.
  • the inserts in the half-shells are therefore referred to as slide-in halves.
  • FIG. 3 is an illustration of a half-shell 2 of the outer housing, in which additionally four impression cylinders 9 are visible, which are arranged in the body of the half-shell above the recess.
  • each insert half consists, as mentioned, of two fixed plates 6, 7 and a pressing plate 8 displaceable therebetween by the pressure pistons 10.
  • the pressing plate 8 is pressed against the upper fixed plate 7, when the impression cylinders are not pressurized by the hydraulics.
  • the pressure pistons are in this initial or resting state in their uppermost position in which they flush with the top of the upper fixed plate 7, and with the upper wall of the recess 5 are. In this state, the insertion half can be removed from the recess.
  • the two fixed plates are interconnected by means of guide pins 20 through which the movable pressure plate is guided.
  • the insertion halves thus form a unit which can be inserted as a whole into the housing recess and can be removed from it.
  • the upper fixed plate 7 has an engaging edge 12 which engages for the expression of a collet from a holder in a corresponding groove or a shoulder of the collet holder.
  • the lower fixed plate 6 has a corresponding engaging edge 13 for engagement in the collet holder for the press-fitting operation.
  • the two engaging edges of the fixed plates are approximately rectangular in cross section, i. their flanks lie in planes perpendicular to the device axis.
  • the slidable press plate 8 has an engaging edge 14 for engaging a corresponding groove of a collet. This engaging edge 14 has conical flanks, in contrast to those of the fixed plates, because of the corresponding engagement surfaces of the collets.
  • the pressing plate 8 has integrally formed bolts 15, which extend through corresponding holes 16 of the upper fixed plate 7 to the pressure piston. Depending on the pressure to be exerted on the press plate can also be missing at individual holes in the upper fixed plate 7 bolts, as in the case of the hole shown to the right.
  • bolt 17 may be inserted into the holes of the upper plate.
  • 6 and 8 show bolts used in each case in two holes visible in section and thus the arrangement for a higher pressure transmission to the press plate.
  • 7 and 9 show a bolt only in each case one of two holes and thus an arrangement for the transmission of lower pressure on the press plate.
  • Fig. 10 shows a further variant, as may be done differently depending on the pressure transfer.
  • the pressure pistons consist of an inner piston 18 and an outer piston 19 enclosing this coaxially, in the manner of a telescopic arrangement.
  • the piston can also be divided into several coaxial pistons to further subdivide the pressure transmission.
  • FIG. 11 With the coaxial pistons described above and shown in FIG. 10, it is possible to arrange only two impression cylinders per half-shell, as shown in the plan view of FIG. 11.
  • the two printing cylinders are, as FIG. 11 also shows, not uniformly distributed over the semicircle, that is arranged at an angle of 60 °, but moved closer to the parting plane between the two device halves. This ensures that the tilting effect is reduced during pressing.
  • FIGS. 12 and 13 also show the arrangement of the printing cylinders in uneven distribution.
  • the four stepped bolts of the embodiment of a slide-in half shown in FIG. 8 are, as shown in FIG. 12, displaced toward the parting plane.
  • Fig. 13 shows an embodiment with six bolts 16 per insertion half, which are also displaced towards the parting plane to reduce the tilting action.
  • One or more bolts may be missing, thus forcing the corresponding pistons into space.
  • corresponding holes may be missing in the upper fixed plate.
  • the corresponding pistons press on the solid plate instead of on the pressure plate.
  • bores may be provided in the pressing plate so that the pistons press on the lower fixed plate instead of on the pressing plate.
  • FIG. 17 various ways of controlling the printing cylinder are shown schematically.
  • the hydraulic pressure is generated by a hand pump 26 and directed to the two half-shells 2 of the device.
  • valves 27 are provided, which are opened when inserting a slot by the actuating pins 21 and getting closed. If both valves are closed, only the two middle pressure cylinders are pressurized and the lowest pressure level is generated on the pressure plate 8. If the left valve is open and the right closed, then in addition the upper pressure cylinder is pressurized and thus causes an increased pressure on the pressure plate 8. Finally, when both valves are open, all five pressure cylinders are active.
  • valve 27 In the lower half shell, a variant is shown in which only one valve 27 is provided. If this valve is closed, only the two middle pressure cylinder are pressurized and causes a lower pressure on the pressure plate. When the valve is opened by inserting a drawer, all pressure cylinders become active and the pressure plate is pressurized.
  • the hydraulic supply lines between the two half-shells of the device are integrated into the hinge 23 connecting them.
  • the hydraulic connection is shown on one of the two half-shells. This hydraulic connection also serves as a hinge for the rotation of the device by 180 ° for the change between pressing and pressing.
  • a bearing 28 is provided in the hydraulic connection.
  • the hinge 23, as shown in Fig. 15, consists of two interlocking blocks 25 connected by a pin 24. Parts of the blocks are shown cut in Fig. 16.
  • outwardly leading holes 28 are provided, which are closed at its outer end by a screw. They stand with the hydraulic supply lines to the pressure cylinders inside the housing halves in conjunction.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
  • Automatic Assembly (AREA)
  • Gripping On Spindles (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
EP07405143A 2006-06-02 2007-05-18 Dispositif de presse Active EP1862715B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH8962006 2006-06-02

Publications (2)

Publication Number Publication Date
EP1862715A1 true EP1862715A1 (fr) 2007-12-05
EP1862715B1 EP1862715B1 (fr) 2009-07-15

Family

ID=37744386

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07405143A Active EP1862715B1 (fr) 2006-06-02 2007-05-18 Dispositif de presse

Country Status (5)

Country Link
US (1) US20070281528A1 (fr)
EP (1) EP1862715B1 (fr)
JP (1) JP2007319935A (fr)
CN (1) CN101081443A (fr)
DE (1) DE502007001053D1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2105227A1 (fr) * 2008-03-25 2009-09-30 Rego-Fix AG Dispositif de pressage
EP2749378A1 (fr) * 2012-12-28 2014-07-02 Fipe AG Outil de compression axiale de raccords
EP3473384A1 (fr) * 2017-10-20 2019-04-24 Haelok AG Dispositif d'assemblage permettant de fabriquer un assemblage par pression entre un ensemble de raccordement et un segmentde tuyau

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012105655A1 (de) 2012-06-28 2014-01-02 Viega Gmbh & Co. Kg Pressbacke und Verfahren zum Herstellen einer unlösbaren Rohrverbindung und System aus einer Pressbacke und einem Fitting
CN107571195A (zh) * 2017-09-20 2018-01-12 重庆佳岳机械制造有限公司 一种钢球式同步器用工装

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2240599A (en) * 1989-09-29 1991-08-07 Welsh Water Plc Apparatus and fitting for coupling plastics pipes
DE19503436A1 (de) * 1994-04-22 1995-11-02 Daniel Knipping Vorrichtung zur Kraftaufbringung
DE102004016305A1 (de) * 2003-05-15 2004-12-09 Rego-Fix Ag Pressvorrichtung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1818435A (en) * 1929-02-20 1931-08-11 Frank H Smith Apparatus for joining pipes

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2240599A (en) * 1989-09-29 1991-08-07 Welsh Water Plc Apparatus and fitting for coupling plastics pipes
DE19503436A1 (de) * 1994-04-22 1995-11-02 Daniel Knipping Vorrichtung zur Kraftaufbringung
DE102004016305A1 (de) * 2003-05-15 2004-12-09 Rego-Fix Ag Pressvorrichtung

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2105227A1 (fr) * 2008-03-25 2009-09-30 Rego-Fix AG Dispositif de pressage
US8015681B2 (en) 2008-03-25 2011-09-13 Rego-Fix Ag Pressing device
EP2749378A1 (fr) * 2012-12-28 2014-07-02 Fipe AG Outil de compression axiale de raccords
EP3473384A1 (fr) * 2017-10-20 2019-04-24 Haelok AG Dispositif d'assemblage permettant de fabriquer un assemblage par pression entre un ensemble de raccordement et un segmentde tuyau
WO2019075585A1 (fr) * 2017-10-20 2019-04-25 Haelok Ag Dispositif de montage servant à produire un assemblage par ajustement serré entre un kit de raccord et un élément tubulaire

Also Published As

Publication number Publication date
DE502007001053D1 (de) 2009-08-27
EP1862715B1 (fr) 2009-07-15
CN101081443A (zh) 2007-12-05
US20070281528A1 (en) 2007-12-06
JP2007319935A (ja) 2007-12-13

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