EP0531897B1 - Outil de pressage pour sertir un objet pressé cylindrique, ou un objet ayant une section cylindrique sur un profilé cylindrique, notamment une conduite - Google Patents

Outil de pressage pour sertir un objet pressé cylindrique, ou un objet ayant une section cylindrique sur un profilé cylindrique, notamment une conduite Download PDF

Info

Publication number
EP0531897B1
EP0531897B1 EP92115134A EP92115134A EP0531897B1 EP 0531897 B1 EP0531897 B1 EP 0531897B1 EP 92115134 A EP92115134 A EP 92115134A EP 92115134 A EP92115134 A EP 92115134A EP 0531897 B1 EP0531897 B1 EP 0531897B1
Authority
EP
European Patent Office
Prior art keywords
pressing
press
jaws
holding
slide
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
EP92115134A
Other languages
German (de)
English (en)
Other versions
EP0531897A1 (fr
Inventor
Karl Georg Dipl.-Ing. Homm
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.)
Hewing GmbH
Original Assignee
Hewing GmbH
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 Hewing GmbH filed Critical Hewing GmbH
Publication of EP0531897A1 publication Critical patent/EP0531897A1/fr
Application granted granted Critical
Publication of EP0531897B1 publication Critical patent/EP0531897B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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

Definitions

  • the invention relates to a pressing tool according to the preamble of claim 1, such as known from GB-A-987 726.
  • Such pressing tools are used for pressing pipes with fittings, so-called fittings, for pressing cable lugs and connectors with conductors (solid profiles) and for purposes comparable to them.
  • fittings for pressing cable lugs and connectors with conductors (solid profiles) and for purposes comparable to them.
  • solid profiles used in the context of this application is intended to encompass both hollow profiles and full profiles.
  • a full profile is also understood to mean, for example, a wire rope.
  • an essentially cylindrical press part is pressed onto the round profile.
  • the press part is, for example, a press sleeve which surrounds the pipeline.
  • this represents the pressed part itself, while in the case of a cable lug cylindrical portion receiving the cable end represents the pressed part.
  • the pressing tools used for pressing which are pressing tongs or hydraulically or motor-operated pressing tools, have a plurality of pressing jaws for pressing the pressing part onto the round profile on all sides in one pressing operation. In the case of a hexagonal press tool, for example, two press jaws are provided.
  • the press jaws are usually attached to two holding parts, which are provided with receptacles for holding the press jaws.
  • the two tongs arms represent the holding parts holding the pressing jaws; in the case of a pressing tool with a linearly displaceable holding part, it is designed in the form of a longitudinally displaceably guided slide which can be moved towards and away from a fixed holding part which is generally designed in the manner of a bow.
  • a crimping tool for crimping pipe connections which has three crimping jaws. Two of the press jaws are mounted on the tongs arms, while the third press jaw is fixed between the tongs arms.
  • the tongs arms are rotatable about axes of rotation running parallel to one another, the two pressing jaws attached to the tongs arms moving towards one another and towards the fixed pressing jaw when the pressing tongs are closed, and are arranged in a manner in which they are in contact with one another in their final pressing position and enclose the pressing part Form a ring.
  • GB-A-987 726 discloses a device in which the press jaws are pivotally mounted on linearly movable holding parts.
  • the invention has for its object to provide a pressing tool, in particular for pressing pipes with fittings, which enables reliable sealing compression with little design effort.
  • the pressing jaws of the pressing tool according to the invention are slidably mounted and guided on the holding parts, so that the pressing jaws also move radially onto the pressing part during pressing when the holding parts are not moved radially to the pressing part but at an acute angle to the radial extent of the pressing part .
  • One or more press jaws can be mounted on each holding part.
  • the displaceable mounting of the pressing jaws provided according to the invention enables the pressing jaws to be guided radially towards the pressing sleeve.
  • each holding part there are two pressing jaws which are arranged essentially at right angles to one another and at an angle of essentially 45 ° to the direction of movement of the at least one holding part.
  • a total of four press jaws are provided, which are mounted on only two holding parts.
  • the holding parts are, for example, the two tongs arms of a pressing tongs or the slide and the fixed one opposite it Abutment part of a hydraulically operated press head, for example.
  • the two press jaws of each holding part are mounted on them in such a way that they are essentially offset by 90 ° from one another, being arranged mirror-symmetrically to an imaginary axis running in the direction of movement, that is to say at an angle of approximately 45 ° to the direction of movement.
  • press jaws are slidably guided on the holding parts; the press jaws can thus be moved in a direction which forms an acute angle unequal to 0 ° with the direction of movement of the press jaws during the pressing process.
  • the pressing jaws can be moved into a starting position prior to a pressing process, in which they have a defined distance from one another circumferentially. In the starting position, the press jaws are preferably resiliently biased. In the subsequent pressing process, the pressing jaws are moved towards one another as a result of the movement of the two holding parts and towards each other within the receptacles in the holding parts until they have reached their final pressing position in which they preferably abut one another.
  • all pressing jaws In the final pressing position, all pressing jaws describe a ring surrounding the pressing part. Due to the displaceability of the pressing jaws in the receptacles of the holding parts, it is possible for the pressing surfaces of all pressing jaws to move radially to the pressing part, although more pressing parts than holding parts are provided which merely move one another. This largely prevents movement of the contact surfaces relative to the peripheral surface sections of the pressed part which are in contact with them, which is why a "clean" pressing with a sealing connection between the pipeline and the fitting is produced.
  • the press jaws are inserted into the receiving recesses of the holding parts; this means that the press jaws can easily be exchanged for others, with each press jaw being held reliably.
  • the latching elements When the press jaw and associated receptacle are connected in a latching manner, the latching elements are immersed in elongated latching recesses formed in the recess inner surfaces.
  • This arrangement can of course also be designed the other way round, namely by the latching elements being arranged on the recess inner surfaces and being immersed in the elongated latching recesses of the press jaws.
  • the latching connections therefore also take on a guiding function for guiding the lugs and thus the pressing jaws relative to the holding parts in question within the receptacles when moving during the pressing process and then when the pressing tool is opened.
  • the contact surfaces of the press jaws are designed such that they are already in contact with the press jaw to be pressed when the press jaws are in their starting positions Pressed part can be brought. Naturally, this contact cannot take place over the entire contact surface, since the radius of the convex contact surfaces is smaller than the radius of the pressed part before pressing. However, since the difference between the radii is relatively small and is preferably in the range of approximately 1 mm, the contact surfaces are virtually on the circumferential surface of the pressed part. From the beginning of the pressing process, the contact pressure can be applied on all sides over the entire circumferential surface of the pressing part in the area of the pressing jaws. This also improves the pressing.
  • the shape of the contact surfaces is basically arbitrary.
  • the pressing jaws can be provided with smooth inner or pressing surfaces facing one another. It is advantageously provided that the press jaws have linear concave contact surfaces. These are preferably produced in that grooves are incorporated into the smooth, concave contact surface of each press jaw, so that there are linear elevations that run parallel to one another.
  • the linear pressure surfaces or elevations are spaced apart from one another when the pressure jaws are in their compression end position and rest against one another with their radial side surfaces.
  • the linear pressure surfaces cause the plastically deformable pressed part to constrict.
  • the total contact surface consists of the inner surfaces of three rings, which are formed by the elevations on the mutually facing inner surfaces of the press jaws. The material of the pressed part is crushed in the area between successive pressing surfaces of adjacent pressing jaws during the pressing not because the material of the pressed part "flows off towards the bellies" in this area due to the internal mechanical tension between the constrictions and bellies.
  • a pipe fitting consists of a support body, on which the pipe end is attached, and a compression sleeve, which surrounds the pipe end.
  • the supporting body of the fitting is provided with circumferential beads which are axially offset from the elevations of the pressing surfaces of the pressing jaws.
  • Each holding part has receptacles for the press jaws.
  • the receptacle for a press jaw is realized in such a way that the press jaw has, on its side opposite the contact surface, a projection or projection which can be inserted into a receptacle recess on the holding part and is displaceably guided therein.
  • the width and depth of a receiving recess are substantially equal to the thickness or the protrusion of the press jaw approach; the length of a receiving recess, on the other hand, is greater by the length displacement amount by which the press jaw is displaceable than the length of the extension.
  • the springs pressing the press jaws in their starting positions are advantageously between each mutually facing ends of the lugs of the two press jaws mounted on a holding part and the surfaces of the receiving recesses opposite these lug ends are arranged.
  • the compression springs press the two pressing jaws of a holding part away from each other, so that they are spaced apart from one another without load, ie without pressing force against a pressing part.
  • the compression springs are held in blind holes in the press jaw approaches.
  • the pressing tool can be a pressing tongs in which the pressing jaws are held on the two tongs arms, or it can be a tool having a pressing head that can be operated hydraulically, by motor or manually, in which a slide is guided to be linearly displaceable in order to move towards or away from a fixed counter bearing. Slides and counter bearings represent the holding parts for holding the press jaws.
  • the press head can e.g. C-shaped with or without lockable and unlockable bracket closing the open side.
  • the press head is advantageously designed as a two-armed fork with a fork base connecting the two arms.
  • a slide which represents a cold part is provided, which is guided in a longitudinally displaceable manner to the two fork arms and carries two pressing jaws at its end pointing towards the open fork end.
  • the open side of the fork can be closed with a releasably lockable bracket.
  • the bracket represents the counter bearing and is also provided with two press jaws, which are opposite the press jaws of the slide.
  • the bracket is connected to the fork at both ends, which is why the forces acting on it during the pressing process can be reliably absorbed by the fork.
  • the bracket can therefore be slimmer than the section of a C-shaped press head that acts as a counter bearing. Even in confined spaces, for example in the area of floor heating distributors, it can still be used for pressing.
  • Both holding parts have on their mutually facing sides V-shaped edge recesses or V-shaped sections, in the areas of which the pressing jaws are arranged.
  • V-shaped edge recesses or sections In the case of adjacent holding parts, e.g. when the slide is moved up to the bracket, the V-shaped edge recesses or sections without pressing jaws form a square opening, which is arranged rotated in such a way that the diagonal of the square coincides with the contact force action line or runs parallel to it.
  • the diagonal runs in the direction of slide movement.
  • the locking point is preferably located between the free, the articulation point with the end of the bracket facing away from a fork arm and the other fork arm at a point which, when the bracket is viewed from the fork base, is located upstream of the pressing jaws or the pressing part.
  • This configuration is particularly advantageous for pressing pipe connections arranged close to one another in a row, since the distance between the individual pipe connections can be relatively small, namely somewhat larger than the thickness of the bracket, without this hindering or preventing the use of the tool according to the invention.
  • the supply or Unlocking lever or the like is arranged in front of the press jaws.
  • the slider is biased towards the open end of the fork, so that the pressing jaws bear against the pressing part after the closing of the bracket with the force of the biasing spring. So that a certain fixation of the press tool is given.
  • the displacement path of the slide in the direction of the bracket is limited by guide pins which are immersed in guide recesses in the slide. This prevents the slide from sliding out when the fork is open.
  • the guide pins protruding from the inner side surfaces of the fork arms and immersed in the guide recesses of the slide opposite them also take on the function of a linear guide for the slide.
  • a stamp is advantageously provided which extends through a through opening in the fork base and on which the slide end facing away from the fork opening lies or is connected there to the slide.
  • the punch is preferably driven hydraulically.
  • Corresponding manual hydraulic drives are available on the market.
  • the pressing tool according to the invention can be adapted to these devices in that the fork can be screwed onto the devices or can be coupled to the hydraulic drives in another way (e.g. snap or bayonet lock).
  • the slide can be completely disassembled to easily and easily against another, the differently designed receptacles for receiving differently designed press jaws, to be able to exchange.
  • the slider consists of a preferably relatively flat solid slider core, which has the guide recesses for receiving the guide pins in its two side edges facing the fork arm inner sides.
  • the guide grooves extend over the entire thickness of the slide, so they are designed in the manner of border recesses delimited on three sides.
  • the receiving recesses for the approaches of the press jaws are formed.
  • All edge recesses are delimited in the planes of the top and bottom of the slide core by slide plates, which enclose the slide core from above and from below and are manually detachably connected to it by means of knurled screws or in another way.
  • slide plates which enclose the slide core from above and from below and are manually detachably connected to it by means of knurled screws or in another way.
  • To replace the slide only one slide plate needs to be unscrewed; the slide core together with the second slide plate can then be removed from the fork by movement transverse to the longitudinal displacement of the slide.
  • the slide plates protrude beyond the press jaws of the slide, each having an edge recess in this area with which they grip around the round profile when the press tool is attached. This facilitates the positioning of the press tool.
  • the two edge recesses of the slide plates are aligned with one another and with the opening enclosed by the press jaws.
  • the edge recesses of the slide plates are particularly advantageous when pressings are carried out in which the pressing tool against an axial Movement relative to the round profile can be set securely.
  • the pressing part or in the case of a pipe fitting the supporting body, has a circumferential shoulder on which the edge of the edge recess of the one slide plate lies axially, while the edge recess edge of the other slide plate lies on the axial end of the press part facing away from the circumferential shoulder.
  • a fixation of the press tool and the press part or pipe connection piece is thus provided.
  • one of the two slide plate edge recesses can be designed to be attached to a pipeline fitting with a circumferential groove machined into the circumferential shoulder or to enclose a circumferential shoulder of a pipeline fitting on both sides. All of these variants serve, in addition to the mechanical coupling of the pressing tool and the pressing part via the pressing jaws, to ensure that the pressing tool is fixed in position relative to the round profile to be pressed.
  • a pressing tool 10 is shown in side view in different positions of its individual elements.
  • the press tool 10 is designed as a press head that on a Hydraulic handheld device 12 is screwed on.
  • the hydraulic handheld device 12 is provided with a rigid and a movable handle 14, 16.
  • hydraulic fluid is pumped or pressurized in a housing 18 rigidly connected to the handle 14 in order to extend a punch 20 acting on the pressing tool 10.
  • the pressing tool 10 is screwed onto the housing 18 of the hand hydraulic device 12 in a known manner, a locking lever 22 limiting rotation of the pressing tool 10 relative to the hand hydraulic device 12 to an angle of rotation of approximately 180 °.
  • the pressing tool 10 consists of a fork-shaped element 24, in which a slide 26 is guided to be longitudinally displaceable.
  • the open side of the fork 24 can be closed by a bracket 28 which is rotatably connected at one end to the one fork arm and releasably lockable at the other end to the other fork arm.
  • the bracket 28 is locked via a locking lever 30 mounted on the fork 24.
  • the slide 26 consists of two slide plates 32 (one of these slide plates is shown in each of FIGS. 1 and 4) and a slide core 34 arranged between the two slide plates 32 (shown for example in FIGS. 2, 3 and 10).
  • a V-shaped recess 36 is formed which extends essentially over the entire width of the slide core 34, the leg edges 38 of which are perpendicular to one another and at an angle of 45 ° to the direction of displacement (see double arrow 40 2) of the slide 26.
  • the bracket 28 has a V-shaped section 42 whose inner surfaces facing the slide 26 are perpendicular to one another and are at an angle of 45 ° to the direction of displacement 40 of the slide 26.
  • the four surfaces of the V-shaped recess 36 and the V-shaped section 42 together form a square opening.
  • Two press jaws 44 are arranged in the V-shaped recess 36 of the slide core 34, while two press jaws 46 are arranged in the V-shaped section 42 of the bracket 28. All of the pressing jaws 44, 46 are congruent and are provided on their mutually opposite inner surfaces with concave circumferential or pressing surfaces 48 which extend over 90 °. The exact configuration of the pressing surfaces 48 with which the pressing jaws 44, 46 rest on a pressing part 49 to be pressed (see FIG. 2) will be described later.
  • Each pressing jaw 44, 46 has, on its side facing away from the pressing surface 48, a projection 50 which is formed in one piece and is received by a recess 52.
  • the receiving recesses 52 are formed on the mutually facing surfaces of the V-shaped recess 36 and the V-shaped section 42.
  • the receiving recess 52 is larger, ie longer than the extension 50 is wide, which is why the press jaw is displaceably guided on the relevant surface of the V-shaped recess 36 or the V-shaped section 42. Because of this displaceability, the two press jaws 44 of the V-shaped recess 36 can be moved towards and away from one another in the same way as the two press jaws 46 of the V-shaped section 42. Fig.
  • FIG. 2 shows the case where the press jaws 44th and 46 are moved away from each other
  • Fig. 3 shows the state in which the press jaws are moved towards each other and are brought into contact with each other.
  • the path of movement of a press jaw outwards that is to say from the press jaw arranged in the same recess or in the same section of slide core 34 or bracket 42, is limited by striking the outer end face of the projection 50 against the face of the associated receiving recess 52 opposite this end face, while the Movement towards one another is limited by the abutment of the two press jaws and the striking of the other end face of the projection 50 against the face of the receiving recess 52 opposite this (see FIG. 3 for the latter case).
  • the two pressing jaws 44 and the two pressing jaws 46 are each at a distance from one another in the circumferential direction. Since the slider 26 is supported at its rear end opposite the front end by means of compression springs 54 against the base part 58 of the fork 24 connecting the fork arms 56, the slider 26 is prestressed in the direction of the pressing jaws 46 of the bracket 28. Without an inserted pressing part 49, the successive pressing jaws 44 and 46 would lie against one another laterally; with the press part 49 inserted, however, the distance between the press jaws 44 and 46 is approximately equal to the distance between the press jaws 44 and 46 from one another.
  • each press jaw 44 is prestressed into its starting position by means of a helical compression spring 60.
  • the helical compression spring 60 is received in a blind hole 62 which is introduced into one end face of the press jaw extension 50 and extends in the direction of the displacement of the press jaw.
  • the compression spring 60 extends beyond the inner, i.e.
  • the extension 50 is also provided with a spring-loaded latching ball 64 which is immersed in a latching recess 66, which in turn is formed in the surface of the receiving recess opposite the latching ball 64.
  • the locking recess 66 is designed such that the locking ball 64 moves in it when the press jaw 44 is moved.
  • the locking ball and locking recess also form a guide for guiding the pressing jaw 44 in the receiving recess 52.
  • the contact surface 48 of a press jaw consists of three parallel line surfaces which are arranged at a distance from one another and through the surface are formed by rib-like elevations 68.
  • the slide 26 is guided on guide pins 70 which are inserted into through bores of the fork arms 56 and project beyond the mutually facing inner surfaces 72 of the fork arms 56.
  • the protruding sections of the two opposite guide pins 70 are immersed in lateral guide recesses 74, which are machined in the side edges of the slide core 34.
  • the guide pins 70 limit the feed movement of the slide 26 by abutment on the rear end face of the guide recess 74 in the feed direction (see in particular FIG. 3).
  • the receiving recesses 52 and the guide recesses 74 of the slide 26 can, as in the embodiment shown in the figures, be formed in the slide core 34.
  • these recesses are formed or limited in addition to the slide core by the slide plates 32 screwed to the slide core by means of knurled screws 76.
  • this would have the advantage of a simpler production-related realization of the locking recesses 66 in the press-jaw receiving recesses 52.
  • there are also various manufacturing methods for example material processing by spark or arc erosion) available which allow the locking recesses to be inserted into the side surfaces of the receiving recesses 52 66 to train.
  • the two fork arms 56 are of different lengths.
  • one end of the bracket 28 is rotatably supported;
  • the bracket 28 is prestressed in the opening direction via a leg spring 80 which surrounds the pivot axis 78 between the fork 24 and the bracket 28.
  • the locking lever 30 is biased towards the free end of the bracket 28 or in the lateral direction on the slide 26.
  • the free end of the bracket 28 has a locking projection 84 which is immersed in a locking recess 86 of the locking lever 30 when the bracket 28 is locked.
  • the locking lever 30 is mounted on the shorter of the two fork arms 56, which is why the bracket 28 in the region of its free end provided with the locking projection 84 runs essentially parallel to the longer of the two fork arms, so to speak represents an extension of the shorter fork arm 56.
  • the bracket 28 extends laterally to the slide 26.
  • the bracket 28 is partially enclosed in its end section 88 between the slide plates 32, which have two lateral projections 90 for this purpose (see FIG. 4).
  • the plunger 20 is moved against the rear end of the slide 26 by actuating the manual hydraulic device 12, in order to actuate the manual hydraulic device 12 further Advance slide 26.
  • a contact pressure for pressing is applied to the pressing part 49 via the contact surfaces 48.
  • the pressing jaws 44, 46 move along the associated contact surfaces of the V-shaped recess 36 in the slider 26 and the V-shaped section 42 of the bracket 28. Due to the displaceable receiving of the pressing jaws 44 and Press jaws 46 each move towards each other; the forward movement of the slide 26 in the direction of the fixed bracket 28 reduces the distance between two circumferentially successive pressing jaws 44, 46.
  • the pipe connectors for networked pipes shown in FIGS. 11 and 12 consist of a coupling-like support body 92 which has a circumferential collar or a circumferential shoulder 94 in the middle. On the support body 92 the ends of two tubes 96 are attached on both sides. Elastically deformable press parts 49 in the form of press sleeves are arranged around the pipe ends. The press sleeves deforming during the pressing process anchor themselves with the material of the pipes, the material of which in turn penetrates into circumferential recesses in the support body 92, which ensures a positive and non-positive connection of the pipe and the connector.
  • Figs. 11 and 12 essentially correspond to the sectional view shown in FIG. 6, with the difference that the pipe with the fitting to be pressed is additionally shown.
  • the ends of the slide plates facing the bracket 28 are provided with edge recesses 98 which encompass the pipe, the pressing sleeve and the circumferential shoulder.
  • the recesses 98 of the two slide plates 32 are aligned with one another and with the opening delimited by the pressing surfaces 48 of the pressing jaws 44, 46.
  • the slide plates 32 are extended over the two slide press jaws 44 and consequently include these press jaws 44 on both sides. 11, the edge of the slide plate recess 98 dips into a circumferential groove 99, which is formed in the circumferential shoulder 94. As a result, the entire tool is secured against axial displacement.
  • the second slide plate 32 rests on the end face of the pressing sleeve facing away from the circumferential shoulder 94 on the annular surface thereof, the associated edge recess 98 also encompassing the tube 96.
  • a fork-shaped slide plate 32 ′ is used at its end facing the bracket 28.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Assembly (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Claims (8)

  1. Outil de pressage pour le sertissage d'une partie de serrage cylindrique ou d'une partie de serrage présentant une section cylindrique sur un profilé cylindrique, en particulier une canalisation, comportant
    - quatre mâchoires (44, 46) pour comprimer de tous côtés la partie de serrage (49), dans la direction d'une force de sertissage, sur le profilé cylindrique (46) au cours d'un processus de sertissage et
    - plusieurs pièces de maintien (26, 28) munies de logement pour maintenir de manière mobile toutes les mâchoires (44, 46), pièces de maintien dont au moins une est mobile vers l'autre ou les autres pour s'en rapprocher ou s'en éloigner, la (les) pièce (s)de maintien mobile (s) (26, 28) étant mobile linéairement par rapport à l'autre, ou aux autres, pièce(s) de maintien (26, 28) pour s'en rapprocher ou s'en éloigner,
    caractérisé par le fait,
    - que chaque mâchoire (44, 46) est guidée, dans son logement, coulissante linéairement dans une direction s'étendant essentiellement transversalement à la direction de la force de sertissage,
    - que chaque mâchoire (44, 46) est guidée coulissante longitudinalement dans son logement selon un angle d'essentiellement 45° par rapport à la direction de déplacement d'au moins une pièce de maintien (26) et
    - que les mâchoires (44, 46) sont mobiles vers une position de départ avant le processus de sertissage, position dans laquelle elles sont adjacentes à la partie de serrage (49) et toutes les mâchoires voisines présentent entre elles un écart déterminé,
    - toutes les mâchoires (44, 46) se rapprochant l'une de l'autre lors du processus de sertissage par suite du déplacement dans leurs logements et du rapprochement des pièces de maintien (26, 28) jusqu'à la prise d'une position finale de sertissage.
  2. Outil de pressage selon la revendication 1 caractérisé par le fait que deux pièces de maintien (26, 28) sont prévues pour la tenue des quatre mâchoires (44, 46) et que sur chaque pièce de maintien (26, 28) deux mâchoires (44, 46) sont montées essentiellement à angle droit l'une par rapport à l'autre et tournées d'un angle d'essentiellement 45° par rapport à la direction de déplacement d'au moins une pièce de maintien (26).
  3. Outil de pressage selon la revendication 1 ou 2 caractérisé par le fait que les mâchoires (44, 46) sont agencées pour une mise en place par encliquetage dans les logements des pièces de maintien (26, 28) et que les mâchoires (44, 46) sont guidées dans les logements des pièces de maintien correspondantes (26, 28) au moyen de la liaison par encliquetage lors du coulissement à l'intérieur des logements.
  4. Outil de pressage selon la revendication 3 caractérisé par le fait que chaque mâchoire (44, 46) comporte dans une de ses surfaces latérales s'étendant suivant la direction de déplacement, un élément d'encliquetage (64) faisant saillie vers l'extérieur chargé élastiquement, lequel élément est engagé dans une cavité d'encliquetage longitudinale (66) lorsque la mâchoire (44, 46) est placée dans l'évidement de logement correspondant (52), cavité d'encliquetage qui est réalisée dans la surface latérale de l'évidement de logement (52) en vis-à-vis de l'élément d'encliquetage (64), et dans laquelle l'élément d'encliquetage (64) se déplace lors du coulissement des mâchoires (44, 46).
  5. Outil de pressage selon l'une des revendications 1 à 4, caractérisé par le fait que les mâchoires (44, 46) sont précontraintes par une force élastique dans leur position de départ respective et se déplacent lors du processus de sertissage à l'encontre de la force élastique depuis leur position de départ respective vers la position finale respective par suite de la venue en contact contre la partie de serrage (49), les pièces de maintien (26, 28) étant déplacées l'une vers l'autre.
  6. Outil de pressage selon la revendication 5, caractérisé par le fait qu'un ressort (60) est prévu pour chaque mâchoire (44, 46), ce ressort étant disposé entre cette mâchoire et le logement correspondant.
  7. Outil de pressage selon l'une des revendications 1 à 6 caractérisé par le fait que chaque mâchoire (44, 46) comporte un épaulement (50) sur son côté opposé à la surface de pressage (48) venant au contact de la pièce de serrage (49), lequel épaulement peut être installé dans un évidement de logement (52) de la pièce de maintien correspondante (26, 28), évidement dans lequel la mâchoire (44, 46) est guidée coulissante perpendiculairement à la direction de la force de sertissage lors du processus de sertissage.
  8. Outil de pressage selon la revendication 7 caractérisé par le fait qu'un ressort de compression (60) disposé entre l'épaulement (50) et l'évidement de logement (52) est prévu pour les mâchoires (44, 46) et que les ressorts de compression (60) des deux mâchoires (44, 46) montés sur une pièce de maintien (26, 28) sont disposés aux extrémités des épaulements (50) tournées l'une vers l'autre.
EP92115134A 1991-09-10 1992-09-04 Outil de pressage pour sertir un objet pressé cylindrique, ou un objet ayant une section cylindrique sur un profilé cylindrique, notamment une conduite Expired - Lifetime EP0531897B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4130008A DE4130008A1 (de) 1991-09-10 1991-09-10 Presswerkzeug zum aufpressen eines zylindrischen pressteils oder eines einen zylindrischen abschnitt aufweisenden pressteils auf ein rundprofil, insbesondere eine rohrleitung
DE4130008 1991-09-10
US07/943,394 US5335530A (en) 1991-09-10 1992-09-09 Pressing tool for pressing a cylindrical pressing member or a pressing member comprising a cylindrical portion onto a round profile, particularly a pipe conduit

Publications (2)

Publication Number Publication Date
EP0531897A1 EP0531897A1 (fr) 1993-03-17
EP0531897B1 true EP0531897B1 (fr) 1995-06-21

Family

ID=25907156

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92115134A Expired - Lifetime EP0531897B1 (fr) 1991-09-10 1992-09-04 Outil de pressage pour sertir un objet pressé cylindrique, ou un objet ayant une section cylindrique sur un profilé cylindrique, notamment une conduite

Country Status (4)

Country Link
US (1) US5335530A (fr)
EP (1) EP0531897B1 (fr)
AT (1) ATE123979T1 (fr)
DE (1) DE4130008A1 (fr)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10216213A1 (de) * 2002-04-10 2003-10-23 Klauke Gmbh Gustav Elektrohydraulisches Verpressgerät und Verfahren zum Betreiben desselben
DE4300934A1 (de) * 1993-01-15 1994-08-18 Hewing Gmbh Preßwerkzeug zum Aufpressen eines zylindrischen Preßteils oder eines einen zylindrischen Preßabschnitt aufweisenden Preßteils auf ein Rundprofil
US6290439B1 (en) 1994-12-30 2001-09-18 Black & Decker, Inc. Method and apparatus for forming parts from a continuous stock material and associated forge
US5842267A (en) * 1994-12-30 1998-12-01 Black & Decker, Inc. Method and apparatus for forming parts of a predetermined shape from a continuous stock material
SE505162C2 (sv) * 1995-03-22 1997-07-07 Pressmaster Tool Ab Verktygshuvud
US6035521A (en) * 1997-11-18 2000-03-14 General Motors Corporation Multi-directional crimp plate
DE19958103C1 (de) * 1999-12-02 2001-03-01 Peter Schroeck Preßwerkzeug zum Verpressen von rotationssymmetrischen Hohlkörpern
US6324884B1 (en) * 2000-06-30 2001-12-04 Mastercool, Inc. Hand-held portable crimping tool
DE10100398A1 (de) * 2001-01-05 2002-07-11 Klauke Gmbh Gustav Verpresswerkzeug
US6769283B2 (en) * 2002-03-25 2004-08-03 Sierracin Corporation Swaging device
US20080016939A1 (en) * 2004-07-02 2008-01-24 Egbert Frenken Pair of pressing jaws for hydraulic or electric pressing tools
DE202006013693U1 (de) * 2006-09-07 2008-01-17 Gustav Klauke Gmbh Pressbackenpaar für hydraulische oder elektrische Verpressgeräte
US7464578B2 (en) * 2005-06-03 2008-12-16 Fci Americas Technology, Inc. Hand-held, portable, battery-powered hydraulic tool
US7124619B1 (en) 2005-08-26 2006-10-24 Fci Americas Technology, Inc. Hydraulic tool working head
US8839653B2 (en) * 2008-06-02 2014-09-23 Hubbell Incorporated Crimping tool connector locator
DE202008013411U1 (de) * 2008-10-10 2010-03-18 Weidmüller Interface GmbH & Co. KG Crimpwerkzeug
US20100253066A1 (en) * 2009-04-02 2010-10-07 Victaulic Company Crimp-Type Coupling, Crimping Tool and Method of Crimping
DE202009009456U1 (de) * 2009-07-15 2010-11-25 Novopress Gmbh Pressen Und Presswerkzeuge & Co. Kommanditgesellschaft Presswerkzeug zum Verbinden von insbesondere rohrförmigen Werkstücken
US9209585B2 (en) * 2010-02-18 2015-12-08 Tyco Electronics Corporation Crimping tool head
DE102010000545A1 (de) * 2010-02-25 2011-08-25 Joiner's Bench GmbH, 42859 Hydraulische Pressvorrichtung
DE102010016891A1 (de) * 2010-05-11 2011-11-17 Contitech Mgw Gmbh Presswerkzeug zur Verformung rotationssymmetrischer ringförmiger Körper
SE536123C2 (sv) 2011-04-15 2013-05-14 Pressmaster Ab Handdrivet krimpverktyg
DE102011052852A1 (de) 2011-08-19 2013-02-21 Gustav Klauke Gmbh Pressvorrichtung
DE102011088388A1 (de) * 2011-12-13 2013-06-13 Novopress Gmbh Pressen Und Presswerkzeuge & Co. Kg Verfahren zur Herstellung einer Rohrverbindung mittels Pressfitting sowie Presswerkzeug
JP5984511B2 (ja) * 2012-05-30 2016-09-06 積水化学工業株式会社 かしめ工具
US9270072B2 (en) * 2012-07-03 2016-02-23 Emerson Electric Co. Dieless crimping tool
US9085023B2 (en) * 2012-07-19 2015-07-21 Dmc Power, Inc. Swinging head swage tool
EP3057184B1 (fr) * 2015-02-11 2017-01-25 MD Elektronik GmbH Procédé et dispositif de fabrication d'un câble ainsi qu'un câble fabriqué selon ledit procédé
JP6774712B2 (ja) * 2016-01-27 2020-10-28 ニッタ株式会社 加締め用ダイおよび加締め治具、並びにそれらを用いた加締め継手の製造方法
US10967442B2 (en) 2016-06-08 2021-04-06 Milwaukee Electric Tool Corporation Tool head
USD834075S1 (en) * 2016-08-05 2018-11-20 Ebara Corporation Pressing member for substrate polishing apparatus
CN110202358B (zh) * 2019-05-15 2024-03-01 苏州托克斯冲压设备有限公司 开口衬套收口装置

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2144231A (en) * 1937-03-04 1939-01-17 Ernest I Schwarz Die for fastening sleeves on cables or rods
US2696850A (en) * 1950-06-10 1954-12-14 Aircraft Marine Prod Inc Crimping device
US2821877A (en) * 1956-02-02 1958-02-04 Greenlee Bros & Co Portable hydraulic press tool
NL269711A (fr) * 1961-06-08
GB987726A (en) * 1963-04-09 1965-03-31 Hayden Nilos Ltd Device for performing a swaging operation
US3575036A (en) * 1967-09-13 1971-04-13 Amp Inc Crimping tool and die assembly
US3662450A (en) * 1970-04-24 1972-05-16 Dresser Ind Hand-portable press for swagable pipe coupling
US3706219A (en) * 1970-05-21 1972-12-19 Amp Inc Crimping tool and die assembly
US3771343A (en) * 1972-03-24 1973-11-13 Mc Donnell Douglas Corp Swaging tool
US4276765A (en) * 1979-06-14 1981-07-07 Rikizo Yoneda Pressing device for a hose coupler
JPS59295B2 (ja) * 1980-12-26 1984-01-06 三重ホ−ロ−株式会社 管材の接合装置
US4528740A (en) * 1983-04-18 1985-07-16 Msw Corporation Shrink ring clamp assembly
JPS6092016A (ja) * 1983-10-21 1985-05-23 Showa Paul Kk テ−パ−付き角形パイプの製造法
SU1306635A1 (ru) * 1984-03-02 1987-04-30 Институт черной металлургии Способ непрерывной разливки металлов
DE8704860U1 (de) * 1987-04-01 1987-09-17 Dischler, Helmut, Dipl.-Ing., 4040 Neuss Vorrichtung zum Aufpressen einer Hülse auf ein Werkstück
US4930326A (en) * 1988-05-23 1990-06-05 Rottinghaus Robert B Manual hose end crimper
US4854031A (en) * 1989-02-09 1989-08-08 The Goodyear Tire & Rubber Company Hose crimper and method of using same
DE9103264U1 (de) * 1991-03-18 1991-06-20 Hewing GmbH, 4434 Ochtrup Preßzange für das Verpressen von Rohrverbindungen

Also Published As

Publication number Publication date
ATE123979T1 (de) 1995-07-15
EP0531897A1 (fr) 1993-03-17
US5335530A (en) 1994-08-09
DE4130008A1 (de) 1993-03-11

Similar Documents

Publication Publication Date Title
EP0531897B1 (fr) Outil de pressage pour sertir un objet pressé cylindrique, ou un objet ayant une section cylindrique sur un profilé cylindrique, notamment une conduite
EP2096725B1 (fr) Tête pince
EP1201371B1 (fr) Outil de sertissage
DE2654102C2 (de) Expansionskopf für Rohraufweitegeräte mit auswechselbaren Expansionsbacken
EP0468335B1 (fr) Outil pour le sertissage d'un connecteur à un conducteur et une isolation
EP0241798A2 (fr) Pince pour sertissage des bornes de câbles, des connecteurs de câbles, et semblables avec des connecteurs électriques, des guides d'ondes etc...
DE102012105655A1 (de) Pressbacke und Verfahren zum Herstellen einer unlösbaren Rohrverbindung und System aus einer Pressbacke und einem Fitting
DE2854633A1 (de) Werkzeug
EP4311627A2 (fr) Mâchoires de pressage ainsi que pince de pressage avec deux mâchoires de serrage
DE102018121971A1 (de) Presswerkzeug
AT511591A4 (de) Biegewerkzeug mit sicherheitseinrichtung
DE4206439A1 (de) Presswerkzeug zum aufpressen eines zylindrischen pressteils oder eines einen zylindrischen abschnitt aufweisenden pressteils auf ein rundprofil, insbesondere eine rohrleitung
DE4391315C1 (de) Vorrichtung zum Aushalsen von Rohren
EP1767313B1 (fr) Outil de sertissage
DE102011100965B4 (de) Pressbacke und Verfahren zum Herstellen einer Pressverbindung
DE9307957U1 (de) Montagewerkzeug für Schiebehülsen-Rohrverbindungen
DE4446503C1 (de) Handwerkzeug mit zwei gegeneinander beweglichen Halterungen für die Aufnahme von Werkstücken und/oder Werkzeugen
EP1649948B1 (fr) Outil de sertissage
DE2313424A1 (de) Vorrichtung zum formen eines bundes auf einer wand, insbesondere auf einer rohrwand
EP0611613B1 (fr) Outil à sertir pour sertir un manchon cylindrique ou un manchon contenant un partie cylindrique
DE102007040895A1 (de) Presszange zum radialen Verpressen von Rohren, Rohrstücken und dergleichen
DE19955289C2 (de) Buchsenziehvorrichtung
DE19927776B4 (de) Preßwerkzeug
EP1412117A1 (fr) Element d'ecartement pour une pince de serrage et pince de serrage
DE3815587A1 (de) Vorrichtung zum aufsetzen und aufquetschen von anschlussstuecken auf elektrischen leitern

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FR GB GR IT LI LU NL PT SE

17P Request for examination filed

Effective date: 19930805

17Q First examination report despatched

Effective date: 19940606

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH DE DK ES FR GB GR IT LI LU NL PT SE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Effective date: 19950621

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 19950621

Ref country code: GB

Effective date: 19950621

Ref country code: ES

Free format text: THE PATENT HAS BEEN ANNULLED BY A DECISION OF A NATIONAL AUTHORITY

Effective date: 19950621

REF Corresponds to:

Ref document number: 123979

Country of ref document: AT

Date of ref document: 19950715

Kind code of ref document: T

ITF It: translation for a ep patent filed
REF Corresponds to:

Ref document number: 59202602

Country of ref document: DE

Date of ref document: 19950727

ET Fr: translation filed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Effective date: 19950921

Ref country code: SE

Effective date: 19950921

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19950930

GBV Gb: ep patent (uk) treated as always having been void in accordance with gb section 77(7)/1977 [no translation filed]

Effective date: 19950621

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19960916

Year of fee payment: 5

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 19960919

Year of fee payment: 5

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 19960920

Year of fee payment: 5

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 19960923

Year of fee payment: 5

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 19960930

Year of fee payment: 5

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19970904

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19970930

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19970930

Ref country code: FR

Free format text: THE PATENT HAS BEEN ANNULLED BY A DECISION OF A NATIONAL AUTHORITY

Effective date: 19970930

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19970930

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19971023

Year of fee payment: 6

BERE Be: lapsed

Owner name: HEWING G.M.B.H.

Effective date: 19970930

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19980401

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

NLV4 Nl: lapsed or anulled due to non-payment of the annual fee

Effective date: 19980401

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19990701

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20050904