EP2640533B1 - Holding device for a flanging tool and flanging tool for flanging pipe ends - Google Patents

Holding device for a flanging tool and flanging tool for flanging pipe ends Download PDF

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Publication number
EP2640533B1
EP2640533B1 EP12712570.6A EP12712570A EP2640533B1 EP 2640533 B1 EP2640533 B1 EP 2640533B1 EP 12712570 A EP12712570 A EP 12712570A EP 2640533 B1 EP2640533 B1 EP 2640533B1
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EP
European Patent Office
Prior art keywords
stop
clamping
flanged
holding fixture
clamping parts
Prior art date
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Active
Application number
EP12712570.6A
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German (de)
French (fr)
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EP2640533A1 (en
Inventor
Olaf Bode
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.)
Rothenberger AG
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Rothenberger AG
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Filing date
Publication date
Application filed by Rothenberger AG filed Critical Rothenberger AG
Priority to PL12712570T priority Critical patent/PL2640533T3/en
Publication of EP2640533A1 publication Critical patent/EP2640533A1/en
Application granted granted Critical
Publication of EP2640533B1 publication Critical patent/EP2640533B1/en
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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
    • B21D41/00—Application of procedures in order to alter the diameter of tube ends
    • B21D41/02—Enlarging
    • B21D41/021—Enlarging by means of tube-flaring hand tools

Definitions

  • the invention relates to a holding device for a crimping device, which serves for fixing a pipe to be crimped according to the preamble of claim 1.
  • the invention further relates to a crimping device for crimping pipe ends.
  • Bördelella for flaring of pipe ends perform a widening of the end portion of a pipe by forming.
  • the crimping of the end region is used, for example, in the production of detachable pipe connections in refrigeration technology.
  • copper pipes are usually provided with a special union nut and then crimped the pipe end and thus generates a flare flange. Through the union nut and the flare flange, the tube can be screwed without additional sealing means against a counter element.
  • the flaring devices usually have a holding device by means of which the tube to be flanged is received and clamped. Usually takes place in the course of clamping the pipe to be flared an alignment with the on-board oil tool. If the tube to be flanged is aligned and clamped in the holding device, then the flanging tool is moved against the end of the tube to be flanged and by the pressure of the flanging tool made a widening against the pipe end.
  • the holding device and the crimping tool are usually operated by hand.
  • Such crimping tools with such a holding device for the pipe to be flanged are of the generic type DE 201 07 279 U1 , of the DE 23 58 202 A1 as well as the US 2,948,326 A known.
  • the invention has for its object to provide a holding device for a crimping device with the features mentioned, which is easy to use, allows quick clamping of the pipe to be crimped and brings the flanged tube with easy handling in a predetermined processing position. Furthermore, a crimping device is to be provided for crimping pipe ends, which is suitable for such a holding device.
  • a holding device according to the invention for a crimping device which serves for fixing a pipe to be crimped, has two mutually movable clamping parts, between which the pipe to be crimped can be clamped.
  • the clamping parts By means of the clamping parts, the tube to be flanged can be held in a desired position. Also, the tube is clamped by means of the clamping parts so far that the tube is held against the force of acting on the end of the tube Bördelwerkmaschinectiones.
  • the holding device further comprises a stop against which the tube to be flanged with its end to be flanged is brought into abutment.
  • a stop against which the tube to be flanged with its end to be flanged is brought into abutment By the stop the tube to be flanged can be brought into a predetermined processing position, in which the crimping can be done by means of a crimping tool in an optimal manner. By the stop the tube to be flanged is quickly and easily brought into the predetermined processing position.
  • the holding device according to the invention further comprises an actuating mechanism by means of which the clamping parts can be brought in clamping position against the tube to be flanged.
  • an actuating mechanism by means of which the clamping parts can be brought in clamping position against the tube to be flanged.
  • the actuating mechanism is coupled to the stop, so that by actuation of the actuating mechanism, the stop can be brought out of its contact position relative to the tube to be flanged.
  • the tube to be flanged Due to the holding device according to the invention, the tube to be flanged with easy handling in a user-friendly manner to quickly absorb and jam, at the same time a quick alignment of the tube to be flanged is made possible in a predetermined processing position by means of the stop.
  • the actuating mechanism is coupled to the stop, in particular mechanically coupled, that is brought out by actuation of the actuating mechanism of the stop from its contact position relative to the tube to be flanged.
  • the stopper is thereby automatically moved out of its position preferably far enough so that then a crimping tool can act on the end to be crimped the tube without the stop interferes with the forming process.
  • the clamping parts form a negative mold for the end of the tube to be flanged, wherein in the clamping position of the Clamping the access to the negative mold is released from the stop.
  • the stop is operatively connected to one of the clamping parts, in particular mechanically coupled, so that when a movement of the clamping parts against each other, the stop moves at least partially.
  • the stop can be brought into its contact position with respect to the tube to be flanged and also brought out again, so that trouble-free flanging is made possible by means of the flanging tool.
  • the stop should be mechanically coupled to one of the clamping parts in such a way that, when the clamping parts move relative to one another, the stop moves at least partially and is brought out of the contact position.
  • the access to the end of the pipe to be flanged, in particular the negative mold formed by the clamping parts, should preferably be released from the abutment by the movement of the stop from the contact position.
  • one of the clamping parts is translationally movable relative to a housing-fixed section.
  • the clamping parts can bring in a particularly simple manner against each other in clamping position relative to the tube to be flanged by a clamping member is moved translationally against the other clamping member.
  • the translationally movable clamping part is forcibly guided on the housing-fixed section.
  • a secure movement of a clamping member is achieved in the direction against the other clamping member on a predetermined and intentional movement path, so that after threading the tube to be flared in a space between the clamps brought away from each other, the clamping parts in a secure manner against each other in clamping position can be brought opposite the tube to be flanged.
  • the forced operation is realized by a slotted guide, which by the housing fixed portion and the movable clamping part, optionally with the interposition of further components of the holding device is formed.
  • the stop is pivotally mounted. As a result, the stop can be introduced into its contact position and can be brought out of the contact position again in a particularly simple manner. It is also advisable that the stop is pivotally mounted on the one clamping part which is movable, in particular translationally movable, against the other clamping part.
  • the actuating mechanism has a manually operable actuating element which acts on at least one of the clamping parts and / or the stop.
  • the one clamping part or the stop is technically easy to move.
  • the stop and at least one of the clamping parts cooperate via at least one intermediate member with the actuating element.
  • the stop and at least one of the clamping parts cooperate via a common intermediate member with the actuating element.
  • a coupling of the movement of the stop and the one clamping part is realized in a technically simple manner.
  • an intermediate member it makes sense that the intermediate member relative to a housing fixed portion is translationally movable, in particular on the housing-fixed portion is constrained.
  • a positive guide may be a slotted guide, which is formed for example by the housing-fixed portion and the intermediate member. Due to the mobility of the intermediate member along a positively guided predetermined trajectory a safe operation of the actuating mechanism is ensured.
  • a secure operation of the actuating mechanism can be ensured that the actuating element presses on the at least one intermediate member, through which one of the clamping parts against the other clamping parts and / or through which the stop is movable or is moved.
  • the holding device is equipped with an intermediate member of the type described above, it makes sense that the stop is pivotally mounted on the intermediate member. As a result, a coupling of the movement of the intermediate member and the stop is realized in a technically simple manner by a pivotal movement of the stop occurs in a translational movement of the intermediate member.
  • the clamping parts are designed to be rotatable.
  • several receptacles can be provided in the clamping parts in order to accommodate pipes of different diameters therein.
  • the clamping parts are twisted so far that the respective receptacles of the clamping parts are facing each other and when moving against each other of the clamping parts to be flared tube is covered by the two receptacles of the two clamping parts and cause jamming.
  • the pictures For example, at one end they can form a matrix for the crimping operation to be carried out by means of a crimping tool.
  • one of the rotatable clamping parts is rotatably mounted on the intermediate member.
  • the rotational mobility of a clamping member is realized in a simple manner, which is to move to clamp the tube to be flanged against the other clamping part.
  • the intermediate member By the intermediate member, the displacement movement of a clamping member is guaranteed against the other clamping part.
  • the clamping member is rotatably mounted on the intermediate member, the clamping member can be additionally rotated.
  • one of the clamping parts rotatably mounted on the intermediate member and in addition the stop is pivotally mounted on the intermediate member.
  • the intermediate member has a multiple function.
  • the stop is forcibly guided relative to a housing-fixed section in its movement. This can reliably avoided that the stop remains when leaving its investment position relative to the tube to be flanged in a position in which the stop would block the access of the crimping tool to be crimped end of the tube. Due to the positive guidance of the stop, the stop can be guided in its movement in such a way that the access to the end of the tube to be flanged or of the crimping die formed by the clamping parts is safely released.
  • the positive guidance of the stop against a housing-fixed section can be realized for example by a sliding guide.
  • the stop has an elongated slot, oblong hole or the like elongated material recess, through which the stop on a the rotational axis of the clamping member forming a holding element, such as retaining bolts, is guided.
  • a slotted guide can be realized in a technically simple manner.
  • the actuating element is pivotally mounted on the housing of the holding device.
  • the actuator can be actuated by an operator by simply pivoting and thus the actuating mechanism can be activated in a simple manner.
  • a possible embodiment of the invention provides that the actuating element is designed as an eccentric lever, through which when pivoting from a starting position to a first position, the clamping parts against each other in a to be flanged pipe captive holding position are brought.
  • the actuating element designed as an eccentric lever, when pivoting from the first position to a second position, can bring the clamping parts against each other into a position holding the tube to be flanged against the force of the flanging tool.
  • the eccentric lever preferably has an eccentric, which is actuated manually by a lever.
  • the eccentric lever thereby allows quick clamping of the clamping parts against each other, preferably in two stages. In a first stage, the eccentric lever is pivoted to the first position and thereby held the tube to be flanged in the holding device. By further pivoting of the eccentric lever of the clamping operation is completed, so that in the course of further pivoting the second position of the eccentric lever is reached, in which the tube to be flanged between the clamping parts is clamped so strong that the tube itself in force of the crimping tool in the fixed position remains fixed.
  • the Ezenterhebel can also be designed such that even in the first position, the tube to be flanged is fixed so far that the tube is held against the force of the crimping tool between the clamping parts.
  • the eccentric lever is pivoted in the second position beyond the pressure point, preferably mechanically struck.
  • a self-locking of the eccentric lever is realized, so that in the second position of Eccentric lever can not be opened by itself. This then requires a corresponding counteracting actuating force by the operator of the holding device.
  • the actuating element has a grip part, which is pivotable against a grip part of the housing of the holding device.
  • the handle parts in the manner of the gripping parts of a pair of pliers are arranged and designed to each other.
  • the actuator can be actuated and the clamping parts are brought against each other in clamping position with respect to the tube to be flared and preferably additionally brought the stop from its contact position relative to the end to be flanged the tube.
  • the invention relates to a crimping device for crimping pipe ends, which has a holding device of the type described above.
  • the invention enables a combination of functions holding, clamping and pivoting or swiveling a stop for the pipe to be flared by means of a common Actuating mechanism.
  • the actuating mechanism is operable by an operator with a single hand.
  • FIG. 1 shows - in a schematic representation - a possible embodiment of a flanging device 100 for flaring pipe ends.
  • the flanging apparatus 100 is suitable for flanging tubes up to a wall thickness of about 2.0 mm, preferably tubes up to a wall thickness of about 1.0 mm.
  • the tubes can be precision tubes, which consist for example of copper, brass, aluminum or steel. Also, pipes made of an alloy with copper, brass, aluminum or other steel alloy are conceivable.
  • the flanging device 100 can be used for crimping pipes for the refrigeration and / or automotive sector. In the automotive sector, the use of the crimping device 100 for crimping brake lines offers itself.
  • the flanging apparatus 100 has a holding device 1 for holding a pipe to be flanged and a flanging unit 200.
  • the flanging unit 200 has a (in the FIG. 1 not visible) crimping tool, which by turning a handle 210 in the direction against the end of a clamped in the holding device 1 (in the FIG. 1 not shown) tube is pressed and widening the end of the tube by forming.
  • the handle 210 By the rotational movement of the handle 210 about its axis of rotation 220, the crimping tool is brought into a rotational movement about the axis of rotation 220 in addition to the advancing movement in the direction of the end of the tube to be crimped.
  • the crimping tool can be designed as a cone be, whose central axis is at an angle to the axis of rotation 220, so that takes place by the rotation of the tool about the rotation axis 220, a tumbling motion of the cone about the axis of rotation 220.
  • flanging unit 200 reference is made to the application "Pipe Ending Apparatus” filed by the applicant on the same date as the present patent application, the contents of which are hereby incorporated by reference.
  • the holding device 1 has two mutually movable clamping parts 2 and 3, between which the (in the FIG. 1 not shown) can be clamped to be flared tube.
  • the clamping parts 2 and 3 are to be brought by means of an actuating mechanism in the clamping position against the pipe to be flanged.
  • the actuating mechanism has an actuating element 5, which is mounted pivotably on the housing 12 of the holding device 1.
  • a handle member 15 is arranged, in particular integrally formed, by which the holding device 1 can be held by an operator in the hand.
  • the actuating element 5 is arranged pivotably on the housing 12 in such a way that the actuating element 5 with a handle part 14 arranged thereon can be pivoted from an open position in the direction of the grip part 15 of the housing 12 into a closed position.
  • the handle part 14 and the handle part 15 preferably form a configuration and arrangement in the manner of the handle parts of a pair of pliers, wherein the handle parts 14 and 15 can be held by an operator in a single hand and by one-handed operation, the handle portion 14 from the open position in the direction of the handle portion 15 is pivotable in the closed position.
  • FIGS. 2A and 2 B show the holding device 1 in isolation with a pipe to be flanged 300.
  • the holding device 1 is in the FIG. 2A in perspective view without partial section and in the FIG. 2B shown in a perspective view with a partial section through the housing 12.
  • FIGS. 2A and 2 B is the actuator 5 in the open position, ie wegverschwenkt of the handle portion 15 to the outside about the pivot axis 16. In this position, the clamping parts 2 and 3 are moved away from each other, so that between the clamping parts 2 and 3, a receptacle for threading the pipe to be flanged 300 is formed.
  • the one clamping part 3 is designed to be translationally displaceable relative to at least one section 7 'of the housing 12.
  • the other clamping part 2 is preferably held immovably on a portion 7 of the housing 12 in translation.
  • the translational mobility of the clamping part 3 is realized by an intermediate member 6, which is forcibly guided on the portion 7 'of the housing 12 and against which the actuating element 5 when pivoting in the direction against the handle portion 15 is counteracted.
  • the intermediate member 6 is preferably U-shaped and surrounds the clamping part 3 with its two legs, wherein the leg connecting the bottom portion of the intermediate member 6 faces the actuating element 5.
  • the actuating element 5 presses against the bottom portion of the Intermediate member 6, for example by means of a rotatably mounted rolling element.
  • the intermediate member 6 is forcibly guided in a groove on at least one wall of the housing 12, preferably the portion 7 'of the housing 12, wherein the legs of the intermediate member 6 and the groove of the housing 12 form a slotted guide.
  • the intermediate member 6 may be with its at least one leg in the groove of the housing 12 to be linearly displaceable.
  • the holding device 1 has a stop 4, against which the tube to be flanged to 300 can be brought into abutment with its end to be flanged.
  • the stop 4 projects at least partially into the intermediate space between the clamping parts 2 and 3 into which the pipe 300 to be flanged is to be threaded.
  • the stopper 4 projects from the translationally immovable clamping part 2 into the intermediate space.
  • the stop 4 is pivotally mounted on the intermediate member 6 about the pivot axis 9.
  • the stopper 4 is positively guided relative to the housing 12, so that when a translational movement of the intermediate member 6 in the direction of the clamping part 2 of the stopper 4 performs a pivoting movement to the outside.
  • the stop 4 has an elongated groove 10, through which the stop 4 at a housing fixed Part, in particular a holding element 11, such as a retaining bolt, is displaceable.
  • the clamping part 2 is rotatably formed and the holding element 11 forms the axis of rotation 8 for the clamping part 2.
  • the clamping part 3 is further rotatably formed, wherein the axis of rotation is formed by a support member 18 mounted on the intermediate member 6.
  • the axis of rotation of the clamping part 3 at the same time forms the pivot axis 9 for the stopper 4th
  • the clamping part 2 has a plurality of circumferentially spaced receptacles 19, which are preferably formed by substantially semicircular material recesses in the clamping part 2 of different diameters.
  • the clamping part 3 has a plurality of circumferentially spaced receptacles 19 ', which are preferably formed by substantially semicircular material recesses of different diameters.
  • the tube 300 is encompassed by the matching receptacle 19 of the clamping part 2 and the matching receptacles 19 'of the clamping part 3 and held in the clamping position of the clamping parts 2 and 3.
  • the receptacles 19, 19 ' have, on their side facing the flanging unit 200 or the flanging unit 200, a circumferential widening, through which a female mold is formed, when the mating receptacles 19, 19' surround the tube 300.
  • the pipe 300 is already threaded into the space between the moving away from each other clamping parts 2 and 3 and brought with its front side in abutment against the stop 4.
  • the tube 300 is in the threaded position with its peripheral wall in abutment against the translationally non-movable clamping part 2, as is apparent from the FIGS. 2A and 2 B is apparent.
  • the tube 300 is not yet held between the clamping parts 2 and 3 in the threaded position.
  • the clamping part 3 is only to be moved in the direction against the clamping part 2 and bring in clamping position.
  • FIGS. 3A and 3B show the holding device 1 in the closed state, in which the actuating element 5 is pivoted in the direction against the handle part 15.
  • the intermediate member 6 In the closed state, the intermediate member 6 is displaced with the clamping part 3 arranged thereon in the direction against the clamping part 2, so that the tube 300 is fixed in a receptacle 20 formed by the clamping parts 2 and 3.
  • the recording 20 is at her (in the FIGS. 3A and 3B not shown) crimping unit 200 facing the end and forms a die 21 for the crimping unit to be produced flare at the end of the tube 300th
  • the stop 4 is forcibly guided by the displacement of the intermediate member 6 in the direction of the clamping element 2 with its groove 10 on the holding member 11 is pivoted outwardly, so that in the closed position of the actuating element 5 access to the end to be flanged of the tube 300 and the access to the die 21 for the (in the FIGS. 3A and 3B not shown) flare tool is released.
  • the stop 4, the peripheral contour of the die 21, in particular, the stopper 4 is formed at least over a portion in the manner of a circle or circle segment, so that even with a slight pivoting movement of the stop 4 to the outside access to the die 21 and dem End of the tube to be flared is exposed.
  • the actuating element 5 is designed as an eccentric lever, wherein the lever of the eccentric lever is formed by the handle part 14.
  • the actuating element 5 By operating the actuating element 5 from the open state in the direction of the closed state of the holding device 1, which is arranged at one end of the eccentric lever rolling element 17 comes into abutment against the intermediate member 6 and pushes the intermediate member 6 in the direction against the clamping part 2.
  • To be flanged Pipe 300 is thus clamped between the clamping parts 2 and 3 so far that the tube is held at least captive in the threaded position.
  • the rolling element 17 comes to a position in which the rolling element 17 is pivoted slightly beyond the pivot axis 16 of the actuating element 5 and thereby the actuating element 5 reaches a locking position in which a self-locking of Actuator 5 is achieved against opening ( Fig. 3A and 3B ).
  • a strong contact pressure is transmitted via the intermediate member 6 on the clamping part 3 by the actuating element 5, that the tube 300 is brought between the clamping parts 2 and 3 such a clamping that the tube 300 is fixed against the force of the crimping tool.
  • Trained as an eccentric lever actuator 5 is preferably formed on its eccentric portion such that the eccentric portion in the closed position of the actuating element in abutment against the housing 12 of the holding device 1 comes into operative position.
  • the grip parts 14 and 15 are substantially parallel to each other.

Description

Die Erfindung betrifft eine Haltevorrichtung für ein Bördelgerät, welche zum Fixieren eines zu bördelnden Rohres dient gemäß dem Oberbegriff des Anspruchs 1. Die Erfindung betrifft ferner ein Bördelgerät zum Bördeln von Rohrenden.The invention relates to a holding device for a crimping device, which serves for fixing a pipe to be crimped according to the preamble of claim 1. The invention further relates to a crimping device for crimping pipe ends.

Technologischer Hintergrund und stand der TechnikTechnological background and state of the art

Bördelgeräte zum Bördeln von Rohrenden führen ein Aufweiten des Endbereiches eines Rohres mittels Umformen durch. Die Bördelung des Endbereiches wird beispielsweise bei der Herstellung von lösbaren Rohrverbindungen in der Kältetechnik genutzt. Hierfür werden üblicherweise Kupferrohre mit einer speziellen Überwurfmutter versehen und anschließend das Rohrende gebördelt und damit ein Bördelflansch erzeugt. Durch die Überwurfmutter und den Bördelflansch kann das Rohr ohne zusätzliche Dichtungsmittel gegen ein Gegenelement verschraubt werden.Bördelgeräte for flaring of pipe ends perform a widening of the end portion of a pipe by forming. The crimping of the end region is used, for example, in the production of detachable pipe connections in refrigeration technology. For this purpose, copper pipes are usually provided with a special union nut and then crimped the pipe end and thus generates a flare flange. Through the union nut and the flare flange, the tube can be screwed without additional sealing means against a counter element.

Die Bördelgeräte weisen üblicherweise eine Haltevorrichtung auf, mittels welcher das zu bördelnde Rohr aufgenommen und eingespannt wird. Gewöhnlich erfolgt im Zuge der Einspannung des zu bördelnden Rohres zusätzlich eine Ausrichtung gegenüber dem Bordölwerkzeug. Wenn das zu bördelnde Rohr in der Haltevorrichtung ausgerichtet und eingespannt vorliegt, wird anschließend das Bördelwerkzeug gegen das zu bördelnde Ende des Rohres bewegt und durch den Druck des Bördelwerkzeuges gegen das Rohrende ein Aufweiten vorgenommen. Die Haltevorrichtung und das Bördelwerkzeug werden üblicherweise von Hand betätigt.The flaring devices usually have a holding device by means of which the tube to be flanged is received and clamped. Usually takes place in the course of clamping the pipe to be flared an alignment with the on-board oil tool. If the tube to be flanged is aligned and clamped in the holding device, then the flanging tool is moved against the end of the tube to be flanged and by the pressure of the flanging tool made a widening against the pipe end. The holding device and the crimping tool are usually operated by hand.

Derartige Bördelwerkzeuge mit einer solchen Haltevorrichtung für das zu bördelnde Rohr sind aus der gattungsmäßigen DE 201 07 279 U1 , der DE 23 58 202 A1 sowie der US 2 948 326 A bekannt.Such crimping tools with such a holding device for the pipe to be flanged are of the generic type DE 201 07 279 U1 , of the DE 23 58 202 A1 as well as the US 2,948,326 A known.

Aufgabenstellungtask

Der Erfindung liegt die Aufgabe zugrunde, eine Haltevorrichtung für ein Bördelgerät mit den eingangs genannten Merkmalen bereitzustellen, welches einfach zu bedienen ist, ein schnelles Einspannen des zu bördelnden Rohres ermöglicht und das zu bördelnde Rohr mit einfacher Handhabung in eine vorgegebene Bearbeitungsposition bringt. Ferner soll ein Bördelgerät zum Bördeln von Rohrenden bereitgestellt werden, welches für eine solche Haltevorrichtung geeignet ist.The invention has for its object to provide a holding device for a crimping device with the features mentioned, which is easy to use, allows quick clamping of the pipe to be crimped and brings the flanged tube with easy handling in a predetermined processing position. Furthermore, a crimping device is to be provided for crimping pipe ends, which is suitable for such a holding device.

Erfindung und vorteilhafte WirkungenInvention and advantageous effects

Diese Aufgabe wird mit einer Haltevorrichtung gelöst, welche die Merkmale des Anspruches 1 aufweist. Weiterhin wird zur Lösung der Aufgabe ein Bördelgerät zum Bördeln von Rohrenden mit den Merkmalen des Anspruches 15 vorgeschlagen.This object is achieved with a holding device, which has the features of claim 1. Furthermore, a beading device for crimping pipe ends with the features of claim 15 is proposed to solve the problem.

Vorteilhafte Ausgestaltungen der Erfindung ergeben sich aus den Unteransprüchen, der nachfolgenden Beschreibung und den Figuren.Advantageous embodiments of the invention will become apparent from the dependent claims, the following description and the figures.

Eine erfindungsgemäße Haltevorrichtung für ein Bördelgerät, welche zum Fixieren eines zu bördelnden Rohres dient, weist zwei gegeneinander bewegbare Klemmteile auf, zwischen denen das zu bördelnde Rohr einklemmbar ist. Durch die Klemmteile kann das zu bördelnde Rohr in einer gewünschten Lage gehalten werden. Auch ist das Rohr mittels der Klemmteile soweit verklemmbar, dass das Rohr gegen die Kraft eines auf das Ende des Rohres wirkenden Bördelwerkzeuges festgehalten ist.A holding device according to the invention for a crimping device, which serves for fixing a pipe to be crimped, has two mutually movable clamping parts, between which the pipe to be crimped can be clamped. By means of the clamping parts, the tube to be flanged can be held in a desired position. Also, the tube is clamped by means of the clamping parts so far that the tube is held against the force of acting on the end of the tube Bördelwerkzeuges.

Die erfindungsgemäße Haltevorrichtung weist ferner einen Anschlag auf, gegen welchen das zu bördelnde Rohr mit seinem zu bördelnden Ende in Anlage bringbar ist. Durch den Anschlag ist das zu bördelnde Rohr in eine vorgegebene Bearbeitungsposition bringbar, in welcher der Bördelvorgang mittels eines Bördelwerkzeuges in optimaler Weise vorgenommen werden kann. Durch den Anschlag ist das zu bördelnde Rohr schnell und in einfacher Weise in die vorgegebene Bearbeitungsposition bringbar.The holding device according to the invention further comprises a stop against which the tube to be flanged with its end to be flanged is brought into abutment. By the stop the tube to be flanged can be brought into a predetermined processing position, in which the crimping can be done by means of a crimping tool in an optimal manner. By the stop the tube to be flanged is quickly and easily brought into the predetermined processing position.

Die erfindungsgemäße Haltevorrichtung weist weiterhin einen Betätigungsmechanismus auf, mittels welchem die Klemmteile in Klemmposition gegen das zu bördelnde Rohr bringbar sind. Durch den Betätigungsmechanismus ist eine einfache und schnelle Bedienung der Haltevorrichtung erreicht, um das zu bördelnde Rohr zwischen den Klemmteilen einspannen zu können.The holding device according to the invention further comprises an actuating mechanism by means of which the clamping parts can be brought in clamping position against the tube to be flanged. By the actuating mechanism a simple and quick operation of the holding device is achieved in order to clamp the pipe to be flanged between the clamping parts can.

Nach der Erfindung ist es ferner vorgesehen, dass der Betätigungsmechanismus mit dem Anschlag gekoppelt ist, so dass durch Betätigung des Betätigungsmechanismus der Anschlag aus seiner Anlagestellung gegenüber dem zu bördelnden Rohr herausbringbar ist.According to the invention, it is further provided that the actuating mechanism is coupled to the stop, so that by actuation of the actuating mechanism, the stop can be brought out of its contact position relative to the tube to be flanged.

Durch diese Maßnahme ergibt sich eine einfache Handhabung der Haltevorrichtung, da mittels des einen Betätigungsmechanismus eine Betätigung von mehreren Bauteilen der Haltevorrichtung vorgenommen werden kann. Zum einen können mittels des Betätigungsmechanismus die Klemmteile in ihre Klemmposition gegenüber dem zu bördelnden Rohr gebracht werden. Zum anderen ist mittels des gleichen Betätigungsmechanismus der Anschlag aus seiner Anlagestellung gegenüber dem zu bördelnden Rohr herausbewegbar.This measure results in easy handling of the holding device, since by means of an actuating mechanism actuation of a plurality of components of the holding device can be made. First, by means of the actuating mechanism, the clamping parts are brought into their clamping position relative to the tube to be flanged. On the other hand, the stop can be moved out of its contact position relative to the tube to be flanged by means of the same actuating mechanism.

Durch die erfindungsgemäße Haltevorrichtung ist das zu bördelnde Rohr mit einfacher Handhabung in bedienerfreundliche Art und Weise schnell aufzunehmen und zu verklemmen, wobei zugleich eine schnelle Ausrichtung des zu bördelnden Rohres in eine vorgegebene Bearbeitungsposition mittels des Anschlages ermöglicht wird.Due to the holding device according to the invention, the tube to be flanged with easy handling in a user-friendly manner to quickly absorb and jam, at the same time a quick alignment of the tube to be flanged is made possible in a predetermined processing position by means of the stop.

Nach einer Ausgeoteltung der Erfindung ist es vergesehen dass der Betätigungsmechanismus mit dem Anschlag derart gekoppelt ist, insbesondere mechanisch gekoppelt ist, dass durch Betätigung des Betätigungsmechanismus der Anschlag aus seiner Anlagestellung gegenüber dem zu bördelnden Rohr herausgebracht wird.After a Ausoteltung the invention, it is considered that the actuating mechanism is coupled to the stop, in particular mechanically coupled, that is brought out by actuation of the actuating mechanism of the stop from its contact position relative to the tube to be flanged.

Der Anschlag wird dadurch selbsttätig aus seiner Anlagestellung vorzugsweise soweit herausbewegt, dass dann ein Bördelwerkzeug auf das zu bördelnde Ende des Rohres wirken kann, ohne dass der Anschlag den Umformvorgang stört.The stopper is thereby automatically moved out of its position preferably far enough so that then a crimping tool can act on the end to be crimped the tube without the stop interferes with the forming process.

Nach einer weiteren Ausgestaltung der Erfindung ist es vorgesehen, dass die Klemmteile eine Negativform für das zu bördelnde Ende des Rohres bilden, wobei in Klemmposition der Klemmteile der Zugang zur Negativform von dem Anschlag freigegeben ist. Hierdurch ist ein Umformen des zu bördelnden Rohres mittels eines gegen die Negativform wirkenden Bördelwerkzeuges ohne Störung durch den Anschlag ermöglicht.According to a further embodiment of the invention, it is provided that the clamping parts form a negative mold for the end of the tube to be flanged, wherein in the clamping position of the Clamping the access to the negative mold is released from the stop. As a result, forming the tube to be flanged by means of acting against the negative mold Bördelwerkzeuges is possible without interference from the stop.

Es bietet sich an, dass der Anschlag mit einem der Klemmteile wirkverbunden ist, insbesondere mechanisch gekoppelt ist, so dass bei einer Bewegung der Klemmteile gegeneinander der Anschlag sich zumindest teilweise mitbewegt. Hierdurch lässt sich in technisch einfacher Weise der Anschlag in seine Anlagestellung gegenüber dem zu bördelnden Rohr bringen und auch wieder herausbringen, so dass ein störungsfreies Bördeln mittels des Bördelwerkzeuges ermöglicht ist. Bevorzugt sollte der Anschlag mit einem der Klemmteile derart mechanisch gekoppelt sein, dass bei einer Bewegung der Klemmteile gegeneinander der Anschlag sich zumindest teilweise mitbewegt und aus der Anlagestellung gebracht wird.It is advisable that the stop is operatively connected to one of the clamping parts, in particular mechanically coupled, so that when a movement of the clamping parts against each other, the stop moves at least partially. As a result, in a technically simple manner, the stop can be brought into its contact position with respect to the tube to be flanged and also brought out again, so that trouble-free flanging is made possible by means of the flanging tool. Preferably, the stop should be mechanically coupled to one of the clamping parts in such a way that, when the clamping parts move relative to one another, the stop moves at least partially and is brought out of the contact position.

Bevorzugt sollte durch die Bewegung des Anschlages aus der Anlagestellung der Zugang zu dem zu bördelnden Ende des Rohres, insbesondere der von den Klemmteilen gebildeten Negativform, von dem Anschlag freigegeben werden.The access to the end of the pipe to be flanged, in particular the negative mold formed by the clamping parts, should preferably be released from the abutment by the movement of the stop from the contact position.

Durch die Kopplung der Bewegung des Anschlages mit einem der Klemmteile kann sichergestellt werden, dass beim Zusammenfahren der Klemmteile gegeneinander der Anschlag selbsttätig aus seiner Anlagestellung herausbewegt und zugleich beim Auseinanderfahren der Klemmteile voneinander weg der Anschlag wiederum in seine Anlagestellung gebracht wird. Der Anschlag befindet sich dadurch bei dem Vorgang des Einfädelns des zu bördelnden Rohres zwischen den Klemmteilen in der Position, um das Rohr gegen den Anschlag in Anlage zu bringen. Beim Bördeln des Endes des Rohres mittels des Bördelwerkzeuges ist der Anschlag aus seiner Anlagestellung in eine Endstellung herausbewegt, in welcher das Bördelwerkzeug freien Zugang zu dem Ende des Rohres hat.By coupling the movement of the stop with one of the clamping parts can be ensured that when moving the clamping parts against each other, the stop automatically moved out of its investment position and at the same time when moving apart of the clamping parts away from each other the stop is again brought into its investment position. The stop is thereby in the process of threading the tube to be flanged between the clamping members in the position to the pipe against the stop in Appendix bring. When crimping the end of the tube by means of the crimping tool, the stop is moved out of its abutment position into an end position in which the crimping tool has free access to the end of the tube.

Es bietet sich an, Anschlag und Klemmteil derart miteinander in ihrer Bewegung zu koppeln, dass der Anschlag die Anlageposition bzw. den Zugang zur Negativform erst dann freigibt, wenn das zu bördelnde Rohr durch die Klemmkraft der Klemmteile verliersicher in der Halteeinheit gehalten ist.It is advisable to couple the stop and the clamping part with each other in their movement in such a way that the stop only releases the contact position or the access to the negative mold when the tube to be flanged is held captive in the holding unit by the clamping force of the clamping parts.

Nach einer bevorzugten Ausgestaltung der Erfindung ist es vorgesehen, dass eines der Klemmteile gegenüber einem gehäusefesten Abschnitt translatorisch bewegbar ist. Hierdurch lassen sich die Klemmteile in technisch besonders einfacher Weise gegeneinander in Klemmposition gegenüber dem zu bördelnden Rohr bringen, indem das eine Klemmteil gegen das andere Klemmteil translatorisch bewegt wird.According to a preferred embodiment of the invention, it is provided that one of the clamping parts is translationally movable relative to a housing-fixed section. As a result, the clamping parts can bring in a particularly simple manner against each other in clamping position relative to the tube to be flanged by a clamping member is moved translationally against the other clamping member.

Bevorzugt ist das translatorisch bewegbare Klemmteil an dem gehäusefesten Abschnitt zwangsgeführt. Dadurch ist eine sichere Bewegung des einen Klemmteiles in Richtung gegen das andere Klemmteil auf einer vorgegebenen und gewollten Bewegungsbahn erreicht, so dass nach dem Einfädeln des zu bördelnden Rohres in einem Zwischenraum zwischen den voneinander weg gebrachten Klemmteilen die Klemmteile in sicherer Art und Weise gegeneinander in Klemmposition gegenüber dem zu bördelnden Rohr gebracht werden können.Preferably, the translationally movable clamping part is forcibly guided on the housing-fixed section. As a result, a secure movement of a clamping member is achieved in the direction against the other clamping member on a predetermined and intentional movement path, so that after threading the tube to be flared in a space between the clamps brought away from each other, the clamping parts in a secure manner against each other in clamping position can be brought opposite the tube to be flanged.

Bevorzugt ist die Zwangsführung durch eine Kulissenführung realisiert, welche durch den gehäusefesten Abschnitt und das daran bewegbare Klemmteil, gegebenenfalls unter Zwischenschaltung weiterer Bauteile der Haltevorrichtung, gebildet ist.Preferably, the forced operation is realized by a slotted guide, which by the housing fixed portion and the movable clamping part, optionally with the interposition of further components of the holding device is formed.

Es bietet sich an, dass der Anschlag schwenkbar gelagert ist. Dadurch ist auf besonders einfache Art und Weise der Anschlag in seine Anlagestellung einbringbar und aus der Anlagestellung auch wieder herausbringbar. Es bietet sich ferner an, dass der Anschlag an dem einen Klemmteil schwenkbar gelagert ist, welches gegen das andere Klemmteil bewegbar, insbesondere translatorisch bewegbwar, ausgebildet ist.It is advisable that the stop is pivotally mounted. As a result, the stop can be introduced into its contact position and can be brought out of the contact position again in a particularly simple manner. It is also advisable that the stop is pivotally mounted on the one clamping part which is movable, in particular translationally movable, against the other clamping part.

Nach einer weiteren Ausgestaltung der Erfindung ist es vorgesehen, dass der Betätigungsmechanismus ein handbetätigbares Betätigungselement aufweist, welches auf wenigstens eines der Klemmteile und/oder den Anschlag wirkt. Hierdurch ist das eine Klemmteil bzw. der Anschlag auf technisch einfache Weise bewegbar.According to a further embodiment of the invention, it is provided that the actuating mechanism has a manually operable actuating element which acts on at least one of the clamping parts and / or the stop. As a result, the one clamping part or the stop is technically easy to move.

Es kann vorgesehen sein, dass der Anschlag und wenigstens eines der Klemmteile über wenigstens ein Zwischenglied mit dem Betätigungselement zusammenwirken.It can be provided that the stop and at least one of the clamping parts cooperate via at least one intermediate member with the actuating element.

Es kann ferner vorgesehen sein, dass der Anschlag und wenigstens eines der Klemmteile über ein gemeinsames Zwischenglied mit dem Betätigungselement zusammenwirken. Durch das gemeinsame Zwischenglied ist auf technisch einfache Weise eine Koppelung der Bewegung von Anschlag und des einen Klemmteiles realisiert.It can further be provided that the stop and at least one of the clamping parts cooperate via a common intermediate member with the actuating element. Through the common intermediate member, a coupling of the movement of the stop and the one clamping part is realized in a technically simple manner.

Sofern ein Zwischenglied vorgesehen ist, bietet es sich an, dass das Zwischenglied gegenüber einem gehäusefesten Abschnitt translatorisch bewegbar ist, insbesondere an dem gehäusefesten Abschnitt zwangsgeführt ist. Eine derartige Zwangsführung kann eine Kulissenführung sein, welche beispielsweise durch den gehäusefesten Abschnitt und das Zwischenglied gebildet ist. Durch die Bewegbarkeit des Zwischengliedes entlang einer zwangsgeführten vorgegebenen Bewegungsbahn ist eine sichere Funktionsweise des Betätigungsmechanismus gewährleistet.If an intermediate member is provided, it makes sense that the intermediate member relative to a housing fixed portion is translationally movable, in particular on the housing-fixed portion is constrained. Such a positive guide may be a slotted guide, which is formed for example by the housing-fixed portion and the intermediate member. Due to the mobility of the intermediate member along a positively guided predetermined trajectory a safe operation of the actuating mechanism is ensured.

Eine sichere Funktionsweise des Betätigungsmechanismus kann dadurch gewährleistet werden, dass das Betätigungselement auf das wenigstens eine Zwischenglied drückt, durch welches eines der Klemmteile gegen das andere Klemmteile und/oder durch welches der Anschlag bewegbar ist bzw. bewegt wird.A secure operation of the actuating mechanism can be ensured that the actuating element presses on the at least one intermediate member, through which one of the clamping parts against the other clamping parts and / or through which the stop is movable or is moved.

Sofern die Haltevorrichtung mit einem Zwischenglied der vorstehend beschriebenen Art ausgestattet ist, bietet es sich an, dass der Anschlag an dem Zwischenglied schwenkbar gelagert ist. Dadurch ist eine Kopplung der Bewegung des Zwischengliedes und des Anschlages in technisch einfacher Weise realisiert, indem bei einer translatorischen Bewegung des Zwischengliedes es zu einer Schwenkbewegung des Anschlages kommt.If the holding device is equipped with an intermediate member of the type described above, it makes sense that the stop is pivotally mounted on the intermediate member. As a result, a coupling of the movement of the intermediate member and the stop is realized in a technically simple manner by a pivotal movement of the stop occurs in a translational movement of the intermediate member.

Nach einer Ausgestaltung der Erfindung ist es vorgesehen, dass die Klemmteile drehbeweglich ausgebildet sind. Hierdurch können in den Klemmteilen jeweils mehrere Aufnahmen vorgesehen sein, um Rohre unterschiedlicher Durchmesser darin aufnehmen zu können. Die Klemmteile werden dazu soweit verdreht, dass die jeweiligen Aufnahmen der Klemmteile einander zugewandt sind und bei einem Gegeneinander bewegen der Klemmteile das zu bördelnde Rohr von den beiden Aufnahmen der beiden Klemmteile umfasst ist und eine Verklemmung bewirken. Die Aufnahmen können beispielsweise an ihrem einen Ende eine Matrize für den mittels eines Bördelwerkzeuges vorzunehmenden Bördelvorgang bilden.According to one embodiment of the invention, it is provided that the clamping parts are designed to be rotatable. In this way, several receptacles can be provided in the clamping parts in order to accommodate pipes of different diameters therein. The clamping parts are twisted so far that the respective receptacles of the clamping parts are facing each other and when moving against each other of the clamping parts to be flared tube is covered by the two receptacles of the two clamping parts and cause jamming. The pictures For example, at one end they can form a matrix for the crimping operation to be carried out by means of a crimping tool.

Es bietet sich an, dass eines der drehbeweglichen Klemmteile an dem Zwischenglied drehbar gelagert ist. Dadurch ist auf technische einfache Weise die Drehbeweglichkeit des einen Klemmteiles realisiert, welches zum Verklemmen des zu bördelnden Rohres gegen das andere Klemmteil zu bewegen ist. Durch das Zwischenglied ist die Verschiebebewegung des einen Klemmteiles gegen das andere Klemmteil gewährleistet. Indem das Klemmteil an dem Zwischenglied drehbar gelagert ist, kann das Klemmteil zusätzlich drehbewegt werden.It is advisable that one of the rotatable clamping parts is rotatably mounted on the intermediate member. As a result, the rotational mobility of a clamping member is realized in a simple manner, which is to move to clamp the tube to be flanged against the other clamping part. By the intermediate member, the displacement movement of a clamping member is guaranteed against the other clamping part. By the clamping member is rotatably mounted on the intermediate member, the clamping member can be additionally rotated.

Mit Vorteil ist es vorgesehen, dass das eine der Klemmteile an dem Zwischenglied drehbar gelagert und zusätzlich der Anschlag an dem Zwischenglied schwenkbar gelagert ist. Dadurch kommt dem Zwischenglied eine Mehrfachfunktion zu. Durch die Verschiebebewegung des Zwischengliedes wird das eine Klemmteil gegenüber dem anderen Klemmteil bewegt und zusätzlich kann ein Verschwenken des Anschlages erfolgen bzw. wird der Anschlag von seiner Anlagestellung weg verschwenkt.It is advantageously provided that one of the clamping parts rotatably mounted on the intermediate member and in addition the stop is pivotally mounted on the intermediate member. As a result, the intermediate member has a multiple function. By the sliding movement of the intermediate member, the one clamping member relative to the other clamping member is moved and in addition can be done pivoting of the stop or the stop is pivoted away from its investment position.

Es bietet sich an, dass die Drehachse des einen Klemmteiles mit der Schwenkachse des Anschlages zusammenfällt. Dadurch ist mittels einer einzigen Achse die Drehbeweglichkeit von Klemmteil und Anschlag ermöglicht. Die Funktionsweise des Betätigungsmechanismus ist dadurch bereits mit wenigen Bauteilen der Haltevorrichtung realisiert.It makes sense that the axis of rotation of a clamping member coincides with the pivot axis of the stop. As a result, the rotational mobility of the clamping part and stop is possible by means of a single axis. The operation of the actuating mechanism is thereby already realized with a few components of the holding device.

Mit Vorteil ist der Anschlag gegenüber einem gehäusefesten Abschnitt in seiner Bewegung zwangsgeführt. Dadurch kann sicher vermieden werden, dass der Anschlag bei Verlassen seiner Anlagestellung gegenüber dem zu bördelnden Rohr in einer Position verbleibt, in welcher der Anschlag den Zugang des Bördelwerkzeuges zu dem zu bördelnden Ende des Rohres versperren würde. Durch die Zwangsführung des Anschlages kann der Anschlag in seiner Bewegung in der Weise geführt werden, dass der Zugang zu dem Ende des zu bördelnden Rohres bzw. der von den Klemmteilen gebildeten Bördelmatrize sicher freigegeben ist.Advantageously, the stop is forcibly guided relative to a housing-fixed section in its movement. This can reliably avoided that the stop remains when leaving its investment position relative to the tube to be flanged in a position in which the stop would block the access of the crimping tool to be crimped end of the tube. Due to the positive guidance of the stop, the stop can be guided in its movement in such a way that the access to the end of the tube to be flanged or of the crimping die formed by the clamping parts is safely released.

Die Zwangsführung des Anschlages gegenüber einem gehäusefesten Abschnitt kann beispielsweise durch eine Kulissenführung realisiert sein. Dazu kann es vorgesehen sein, dass der Anschlag einen länglichen Schlitz, Langloch oder dergleichen längliche Materialausnehmung aufweist, durch welchen der Anschlag an einem die Drehachse des einen Klemmteiles bildenden Halteelement, wie beispielsweise Haltebolzen, geführt ist. Eine derartige Kulissenführung ist in technisch einfacher Weise realisierbar.The positive guidance of the stop against a housing-fixed section can be realized for example by a sliding guide. For this purpose, it may be provided that the stop has an elongated slot, oblong hole or the like elongated material recess, through which the stop on a the rotational axis of the clamping member forming a holding element, such as retaining bolts, is guided. Such a slotted guide can be realized in a technically simple manner.

Nach einer vorteilhaften Ausgestaltung der Erfindung ist es vorgesehen, dass das Betätigungselement an dem Gehäuse der Haltevorrichtung schwenkbar gelagert ist. Hierdurch ist das Betätigungselement durch einen Bediener durch einfaches Verschwenken betätigbar und damit in einfacher Weise der Betätigungsmechanismus aktivierbar.According to an advantageous embodiment of the invention, it is provided that the actuating element is pivotally mounted on the housing of the holding device. As a result, the actuator can be actuated by an operator by simply pivoting and thus the actuating mechanism can be activated in a simple manner.

Eine mögliche Ausgestaltung der Erfindung sieht vor, dass das Betätigungselement als Exzenterhebel ausgebildet ist, durch welchen bei Verschwenken von einer Ausgangsstellung in eine erste Stellung die Klemmteile gegeneinander in eine das zu bördelnde Rohr verliersicher haltende Position gebracht sind.A possible embodiment of the invention provides that the actuating element is designed as an eccentric lever, through which when pivoting from a starting position to a first position, the clamping parts against each other in a to be flanged pipe captive holding position are brought.

Ergänzend oder alternativ kann der als Exzenterhebel ausgebildete Betätigungselement bei Verschwenken von der ersten Stellung in eine zweite Stellung die Klemmteile gegeneinander in eine das zu bördelnde Rohr gegen die Kraft des Bördelwerkzeuges haltende Position bringen.In addition or as an alternative, the actuating element designed as an eccentric lever, when pivoting from the first position to a second position, can bring the clamping parts against each other into a position holding the tube to be flanged against the force of the flanging tool.

Der Exzenterhebel weist bevorzugt einen Exzenter auf, der durch einen Hebel händisch betätigt wird. Der Exzenterhebel ermöglicht dadurch ein Schnellspannen der Klemmteile gegeneinander, vorzugsweise in zwei Stufen. In einer ersten Stufe wird der Exzenterhebel in die erste Stellung verschwenkt und dadurch das zu bördelnde Rohr in der Haltevorrichtung gehalten. Durch Weiterschwenken des Exzenterhebels wird der Spannvorgang weiter vollzogen, so dass im Zuge des weiteren Verschwenkens die zweite Position des Exzenterhebels erreicht wird, in welcher das zu bördelnde Rohr zwischen den Klemmteilen so stark verklemmt ist, dass das Rohr selbst bei wirkender Kraft des Bördelwerkzeuges in der fixierten Position festgehalten bleibt.The eccentric lever preferably has an eccentric, which is actuated manually by a lever. The eccentric lever thereby allows quick clamping of the clamping parts against each other, preferably in two stages. In a first stage, the eccentric lever is pivoted to the first position and thereby held the tube to be flanged in the holding device. By further pivoting of the eccentric lever of the clamping operation is completed, so that in the course of further pivoting the second position of the eccentric lever is reached, in which the tube to be flanged between the clamping parts is clamped so strong that the tube itself in force of the crimping tool in the fixed position remains fixed.

Der Ezenterhebel kann auch derart ausgelegt sein, dass bereits in der ersten Stellung das zu bördelnde Rohr soweit fixiert ist, das das Rohr auch gegen die Kraft des Bördelwerkzeuges zwischen den Klemmteilen gehalten bleibt.The Ezenterhebel can also be designed such that even in the first position, the tube to be flanged is fixed so far that the tube is held against the force of the crimping tool between the clamping parts.

Bevorzugt ist der Exzenterhebel in der zweiten Position über den Druckpunkt hinausgeschwenkt, vorzugsweise mechanisch angeschlagen. Dadurch ist eine Selbsthemmung des Exzenterhebels realisiert, so dass in der zweiten Position der Exzenterhebel nicht mehr von selbst geöffnet werden kann. Dazu bedarf es dann einer entsprechenden gegenwirkenden Betätigungskraft durch den Bediener der Haltevorrichtung.Preferably, the eccentric lever is pivoted in the second position beyond the pressure point, preferably mechanically struck. As a result, a self-locking of the eccentric lever is realized, so that in the second position of Eccentric lever can not be opened by itself. This then requires a corresponding counteracting actuating force by the operator of the holding device.

Nach einer bevorzugten Ausgestaltung der Erfindung ist es vorgesehen, dass das Betätigungselement ein Griffteil aufweist, welches gegen ein Griffteil des Gehäuses der Haltevorrichtung verschwenkbar ist. Hierdurch ist die Haltevorrichtung durch einen Bediener in besonders einfacher Weise betätigbar. Auch kann die Haltevorrichtung von dem Bediener in einfacher Weise in einer einzigen Hand gehalten werden. Es ist dadurch eine Einhandbetätigung des Betätigungsmechanismus ermöglicht.According to a preferred embodiment of the invention, it is provided that the actuating element has a grip part, which is pivotable against a grip part of the housing of the holding device. As a result, the holding device can be actuated by an operator in a particularly simple manner. Also, the holding device can be easily held by the operator in a single hand. It is thereby a one-hand operation of the actuating mechanism allows.

Begünstigt ist eine Einhandbetätigung der Haltevorrichtung dadurch, dass nach einer Ausgestaltung der Erfindung die Griffteile in Art der Griffteile einer Zange zueinander angeordnet und ausgebildet sind. Durch Zusammendrücken der Griffteile gegeneinander kann dann das Betätigungselement betätigt werden und die Klemmteile gegeneinander in Klemmposition bezüglich des zu bördelnden Rohres gebracht werden und vorzugsweise zusätzlich der Anschlag aus seiner Anlagestellung gegenüber dem zu bördelnden Ende des Rohres gebracht werden.Favored is a one-hand operation of the holding device in that according to an embodiment of the invention, the handle parts in the manner of the gripping parts of a pair of pliers are arranged and designed to each other. By squeezing the handle parts against each other then the actuator can be actuated and the clamping parts are brought against each other in clamping position with respect to the tube to be flared and preferably additionally brought the stop from its contact position relative to the end to be flanged the tube.

Nach einem weiteren Aspekt betrifft die Erfindung ein Bördelgerät zum Bördeln von Rohrenden, welche eine Haltevorrichtung der vorstehend beschriebenen Art aufweist.According to a further aspect, the invention relates to a crimping device for crimping pipe ends, which has a holding device of the type described above.

Die Erfindung ermöglicht eine Kombination der Funktionen Halten, Klemmen sowie Einschwenken bzw. Ausschwenken eines Anschlages für das zu bördelnde Rohr mittels einem gemeinsamen Betätigungsmechanismus. Durch die Erfindung ist der Betätigungsmechanismus von einem Bediener mit einer einzigen Hand betätigbar. Dadurch ist ein Halten, Klemmen und Ausrichten des zu bördelnden Rohres in kürzester Zeit besonders bedienerfreundlich ausführbar, so dass sich insgesamt eine besonders einfache Handhabung der Haltevorrichtung und damit des gesamten Bördelgerätes ergibt.The invention enables a combination of functions holding, clamping and pivoting or swiveling a stop for the pipe to be flared by means of a common Actuating mechanism. By the invention, the actuating mechanism is operable by an operator with a single hand. As a result, holding, clamping and aligning the tube to be flanged in a very short time particularly user-friendly executable, so that overall results in a particularly simple handling of the holding device and thus the entire flaring.

Ausführungsbeispielembodiment

Weitere Ziele, Vorteile, vorteilhafte Merkmale und Anwendungsmöglichkeiten der vorliegenden Erfindung ergeben sich aus der nachfolgenden Beschreibung eines Ausführungsbeispieles anhand der Zeichnung.Other objects, advantages, advantageous features and possible applications of the present invention will become apparent from the following description of an embodiment with reference to the drawing.

Es zeigen:

Fig. 1
eine mögliche Ausführungsform eines Bördelgerätes zum Bördeln von Rohrenden mit einer möglichen Ausführungsform einer Haltevorrichtung zum Halten des zu bördelnden Rohres in perspektivischer Ansicht.
Fig. 2A und Fig. 2B
die Haltevorrichtung gemäß der Figur 1 in geöffnetem Zustand in perspektivischer Ansicht ohne Teilschnitt (Fig. 2A) und mit Teilschnitt (Fig. 2B) des Gehäuses der Haltevorrichtung und
Fig. 3A und Fig. 3B
die Haltevorrichtung gemäß der Figur 1 in geschlossenem Zustand in perspektivischer Ansicht ohne Teilschnitt (Fig. 3A) und mit Teilschnitt (Fig. 3B) des Gehäuses der Haltevorrichtung.
Show it:
Fig. 1
a possible embodiment of a crimping tool for crimping pipe ends with a possible embodiment of a holding device for holding the pipe to be flanged in a perspective view.
Fig. 2A and Fig. 2B
the holding device according to the FIG. 1 in the open state in perspective view without partial section ( Fig. 2A ) and with partial section ( Fig. 2B ) of the housing of the holding device and
FIGS. 3A and 3B
the holding device according to the FIG. 1 in closed state in perspective view without partial section ( Fig. 3A ) and with partial section ( Fig. 3B ) of the housing of the holding device.

Figur 1 zeigt - in schematischer Darstellung - eine mögliche Ausführungsform eines Bördelgerätes 100 zum Bördeln von Rohrenden. Das Bördelgerät 100 ist dazu geeignet, Rohre bis zu einer Wandstärke von etwa 2,0 mm, vorzugsweise Rohre bis zu einer Wandstärke von etwa 1,0 mm zu bördeln. Die Rohre können Präzisionsrohre sein, welche beispielsweise aus Kupfer, Messing, Aluminium oder Stahl bestehen. Auch sind Rohre aus einer Legierung mit Kuper, Messing, Aluminium oder einer sonstigen Stahllegierung denkbar. Das Bördelgerät 100 kann zum Bördeln von Rohren für den Kälte- und/oder Automobilbereich eingesetzt werden. Im Automobilbereich bietet sich der Einsatz des Bördelgerätes 100 zum Bördeln von Bremsleitungen an. FIG. 1 shows - in a schematic representation - a possible embodiment of a flanging device 100 for flaring pipe ends. The flanging apparatus 100 is suitable for flanging tubes up to a wall thickness of about 2.0 mm, preferably tubes up to a wall thickness of about 1.0 mm. The tubes can be precision tubes, which consist for example of copper, brass, aluminum or steel. Also, pipes made of an alloy with copper, brass, aluminum or other steel alloy are conceivable. The flanging device 100 can be used for crimping pipes for the refrigeration and / or automotive sector. In the automotive sector, the use of the crimping device 100 for crimping brake lines offers itself.

Das Bördelgerät 100 weist eine Haltevorrichtung 1 zum Halten eines zu bördelnden Rohres und eine Bördeleinheit 200 auf. Die Bördeleinheit 200 hat ein (in der Figur 1 nicht sichtbares) Bördelwerkzeug, welches durch Drehen einer Handhabe 210 in Richtung gegen das Ende eines in der Haltevorrichtung 1 eingespannten (in der Figur 1 nicht dargestellten) Rohres gedrückt wird und mittels Umformen das Ende des Rohres aufweitet. Durch die Drehbewegung der Handhabe 210 um ihre Drehachse 220 wird das Bördelwerkzeug zusätzlich zu der Vorschubbewegung in Richtung zu dem Ende des zu bördelnden Rohres in eine Rotationsbewegung um die Drehachse 220 gebracht. Das Bördelwerkzeug kann als Konus ausgebildet sein, dessen Mittelachse in einem Winkel zu der Drehachse 220 liegt, so dass durch die Verdrehung des Werkzeuges um die Drehachse 220 eine taumelnde Bewegung des Konus um die Drehachse 220 stattfindet. Bezüglich der Bördeleinheit 200 wird Bezug genommen auf die Anmeldung "Vorrichtung zum Bördeln von Rohrenden", welche von der Anmelderin am gleichen Tage wie die vorliegende Patentanmeldung eingereicht wurde und deren Inhalt hiermit in diese Anmeldung aufgenommen wird.The flanging apparatus 100 has a holding device 1 for holding a pipe to be flanged and a flanging unit 200. The flanging unit 200 has a (in the FIG. 1 not visible) crimping tool, which by turning a handle 210 in the direction against the end of a clamped in the holding device 1 (in the FIG. 1 not shown) tube is pressed and widening the end of the tube by forming. By the rotational movement of the handle 210 about its axis of rotation 220, the crimping tool is brought into a rotational movement about the axis of rotation 220 in addition to the advancing movement in the direction of the end of the tube to be crimped. The crimping tool can be designed as a cone be, whose central axis is at an angle to the axis of rotation 220, so that takes place by the rotation of the tool about the rotation axis 220, a tumbling motion of the cone about the axis of rotation 220. With respect to the flanging unit 200, reference is made to the application "Pipe Ending Apparatus" filed by the applicant on the same date as the present patent application, the contents of which are hereby incorporated by reference.

Die Haltevorrichtung 1 weist zwei gegeneinander bewegbare Klemmteile 2 und 3 auf, zwischen denen das (in der Figur 1 nicht dargestellte) zu bördelnde Rohr einklemmbar ist. Die Klemmteile 2 und 3 sind dazu mittels eines Betätigungsmechanismus in Klemmposition gegen das zu bördelnde Rohr bringbar. Der Betätigungsmechanismus weist ein Betätigungselement 5 auf, welches an dem Gehäuse 12 der Haltevorrichtung 1 verschwenkbar gelagert ist. An dem Gehäuse 12 ist ein Griffteil 15 angeordnet, insbesondere angeformt, durch welches die Haltevorrichtung 1 von einem Bediener in der Hand gehalten werden kann.The holding device 1 has two mutually movable clamping parts 2 and 3, between which the (in the FIG. 1 not shown) can be clamped to be flared tube. The clamping parts 2 and 3 are to be brought by means of an actuating mechanism in the clamping position against the pipe to be flanged. The actuating mechanism has an actuating element 5, which is mounted pivotably on the housing 12 of the holding device 1. On the housing 12, a handle member 15 is arranged, in particular integrally formed, by which the holding device 1 can be held by an operator in the hand.

Das Betätigungselement 5 ist an dem Gehäuse 12 in der Weise verschwenkbar angeordnet, dass das Betätigungselement 5 mit einem daran angeordneten Griffteil 14 von einer Offenstellung in Richtung gegen das Griffteil 15 des Gehäuses 12 in eine Geschlossenstellung verschwenkbar ist. Das Griffteil 14 und das Griffteil 15 bilden bevorzugt eine Ausgestaltung und Anordnung in Art der Griffteile einer Zange, wobei die Griffteile 14 und 15 von einem Bediener in einer einzigen Hand gehalten werden können und durch Einhandbedienung das Griffteil 14 von der Offenstellung in Richtung zu dem Griffteil 15 in die Geschlossenstellung verschwenkbar ist.The actuating element 5 is arranged pivotably on the housing 12 in such a way that the actuating element 5 with a handle part 14 arranged thereon can be pivoted from an open position in the direction of the grip part 15 of the housing 12 into a closed position. The handle part 14 and the handle part 15 preferably form a configuration and arrangement in the manner of the handle parts of a pair of pliers, wherein the handle parts 14 and 15 can be held by an operator in a single hand and by one-handed operation, the handle portion 14 from the open position in the direction of the handle portion 15 is pivotable in the closed position.

Figuren 2A und 2B zeigen die Haltevorrichtung 1 in Alleinstellung mit einem zu bördelnden Rohr 300. Die Haltevorrichtung 1 ist in der Figur 2A in perspektivischer Ansicht ohne Teilschnitt und in der Figur 2B in perspektivischer Ansicht mit einem Teilschnitt durch das Gehäuse 12 dargestellt. FIGS. 2A and 2 B show the holding device 1 in isolation with a pipe to be flanged 300. The holding device 1 is in the FIG. 2A in perspective view without partial section and in the FIG. 2B shown in a perspective view with a partial section through the housing 12.

In den Figuren 2A und 2B ist das Betätigungselement 5 in der Offenstellung, d. h. von dem Griffteil 15 nach außen um die Schwenkachse 16 wegverschwenkt. In dieser Position sind die Klemmteile 2 und 3 voneinander wegverfahren, so dass zwischen den Klemmteilen 2 und 3 eine Aufnahme zum Einfädeln des zu bördelnden Rohres 300 gebildet ist.In the FIGS. 2A and 2 B is the actuator 5 in the open position, ie wegverschwenkt of the handle portion 15 to the outside about the pivot axis 16. In this position, the clamping parts 2 and 3 are moved away from each other, so that between the clamping parts 2 and 3, a receptacle for threading the pipe to be flanged 300 is formed.

Um die Klemmteile 2 und 3 voneinander wegverfahren zu können, ist das eine Klemmteil 3 gegenüber wenigstens einem Abschnitt 7' des Gehäuses 12 translatorisch verschiebbar ausgebildet. Das andere Klemmteil 2 ist vorzugsweise an einem Abschnitt 7 des Gehäuses 12 translatorisch unbewegbar gehalten. Die translatorische Bewegbarkeit des Klemmteiles 3 ist durch ein Zwischenglied 6 realisiert, welches an dem Abschnitt 7' des Gehäuses 12 zwangsgeführt ist und gegen welches das Betätigungselement 5 beim Verschwenken in Richtung gegen das Griffteil 15 gegendrückt.In order to be able to move the clamping parts 2 and 3 away from one another, the one clamping part 3 is designed to be translationally displaceable relative to at least one section 7 'of the housing 12. The other clamping part 2 is preferably held immovably on a portion 7 of the housing 12 in translation. The translational mobility of the clamping part 3 is realized by an intermediate member 6, which is forcibly guided on the portion 7 'of the housing 12 and against which the actuating element 5 when pivoting in the direction against the handle portion 15 is counteracted.

Das Zwischenglied 6 ist vorzugsweise U-förmig ausgebildet und umgreift das Klemmteil 3 mit seinen beiden Schenkeln, wobei der die Schenkel verbindende Bodenabschnitt des Zwischengliedes 6 dem Betätigungselement 5 zugewandt ist. Bei Betätigung des Betätigungselementes 5 drückt das Betätigungselement 5 gegen den Bodenabschnitt des Zwischengliedes 6, beispielsweise mittels eines drehbar gelagerten Rollelements.The intermediate member 6 is preferably U-shaped and surrounds the clamping part 3 with its two legs, wherein the leg connecting the bottom portion of the intermediate member 6 faces the actuating element 5. Upon actuation of the actuating element 5, the actuating element 5 presses against the bottom portion of the Intermediate member 6, for example by means of a rotatably mounted rolling element.

Das Zwischenglied 6 ist in einer Nut an wenigstens einer Wandung des Gehäuses 12, vorzugsweise dem Abschnitt 7' des Gehäuses 12, zwangsgeführt, wobei der Schenkel des Zwischengliedes 6 und die Nut des Gehäuses 12 eine Kulissenführung bilden. Das Zwischenglied 6 kann dazu mit seinem wenigstens einen Schenkel in der Nut des Gehäuses 12 geradlinig verschiebbar sein.The intermediate member 6 is forcibly guided in a groove on at least one wall of the housing 12, preferably the portion 7 'of the housing 12, wherein the legs of the intermediate member 6 and the groove of the housing 12 form a slotted guide. The intermediate member 6 may be with its at least one leg in the groove of the housing 12 to be linearly displaceable.

Wie aus den Figuren 2A und 2B ersichtlich ist, weist die Haltevorrichtung 1 einen Anschlag 4 auf, gegen welchen das zu bördelnde Rohr 300 mit seinem zu bördelnden Ende in Anlage bringbar ist. In der geöffneten Stellung des Betätigungselementes 5 der Haltevorrichtung 1 ragt der Anschlag 4 zumindest teilweise in den Zwischenraum zwischen den Klemmteilen 2 und 3 hinein, in welchen das zu bördelnde Rohr 300 einzufädeln ist. Bevorzugt ragt der Anschlag 4 von dem translatorisch unbewegbaren Klemmteil 2 aus in den Zwischenraum.Like from the FIGS. 2A and 2 B it can be seen, the holding device 1 has a stop 4, against which the tube to be flanged to 300 can be brought into abutment with its end to be flanged. In the open position of the actuating element 5 of the holding device 1, the stop 4 projects at least partially into the intermediate space between the clamping parts 2 and 3 into which the pipe 300 to be flanged is to be threaded. Preferably, the stopper 4 projects from the translationally immovable clamping part 2 into the intermediate space.

Der Anschlag 4 ist an dem Zwischenglied 6 um die Schwenkachse 9 schwenkbar gelagert. Vorzugsweise ist der Anschlag 4 gegenüber dem Gehäuse 12 zwangsgeführt, so dass bei einer translatorischen Bewegung des Zwischengliedes 6 in Richtung zu dem Klemmteil 2 der Anschlag 4 eine Schwenkbewegung nach außen vollzieht.The stop 4 is pivotally mounted on the intermediate member 6 about the pivot axis 9. Preferably, the stopper 4 is positively guided relative to the housing 12, so that when a translational movement of the intermediate member 6 in the direction of the clamping part 2 of the stopper 4 performs a pivoting movement to the outside.

Vorzugsweise weist dazu der Anschlag 4 eine längliche Nut 10 auf, durch welche der Anschlag 4 an einem gehäusefesten Teil, insbesondere einem Halteelement 11, wie beispielsweise einem Haltebolzen, verschiebbar ist.Preferably, for this purpose, the stop 4 has an elongated groove 10, through which the stop 4 at a housing fixed Part, in particular a holding element 11, such as a retaining bolt, is displaceable.

Vorzugsweise ist das Klemmteil 2 drehbeweglich ausgebildet und das Halteelement 11 bildet die Drehachse 8 für das Klemmteil 2. Vorzugsweise ist ferner das Klemmteil 3 drehbeweglich ausgebildet, wobei die Drehachse durch ein an dem Zwischenglied 6 gelagertes Halteelement 18 gebildet ist. Vorzugsweise bildet die Drehachse des Klemmteiles 3 zugleich die Schwenkachse 9 für den Anschlag 4.Preferably, the clamping part 2 is rotatably formed and the holding element 11 forms the axis of rotation 8 for the clamping part 2. Preferably, the clamping part 3 is further rotatably formed, wherein the axis of rotation is formed by a support member 18 mounted on the intermediate member 6. Preferably, the axis of rotation of the clamping part 3 at the same time forms the pivot axis 9 for the stopper 4th

Das Klemmteil 2 weist mehrere über den Umfang verteilt angeordnete Aufnahmen 19 auf, welche vorzugsweise durch im Wesentlichen halbkreisförmige Materialausnehmungen in das Klemmteil 2 unterschiedlicher Durchmesser gebildet sind.The clamping part 2 has a plurality of circumferentially spaced receptacles 19, which are preferably formed by substantially semicircular material recesses in the clamping part 2 of different diameters.

Vorzugsweise weist auch das Klemmteil 3 mehrere über den Umfang verteilt angeordnete Aufnahmen 19 ' auf, welche vorzugsweise durch im Wesentlichen halbkreisförmige Materialausnehmungen unterschiedlicher Durchmesser gebildet sind. Das Rohr 300 wird von der passenden Aufnahme 19 des Klemmteiles 2 und der passenden Aufnahmen 19' des Klemmteiles 3 umgriffen und in der Klemmposition der Klemmteile 2 und 3 gehalten.Preferably, the clamping part 3 has a plurality of circumferentially spaced receptacles 19 ', which are preferably formed by substantially semicircular material recesses of different diameters. The tube 300 is encompassed by the matching receptacle 19 of the clamping part 2 and the matching receptacles 19 'of the clamping part 3 and held in the clamping position of the clamping parts 2 and 3.

Die Aufnahmen 19, 19' weisen an ihrer der Bördeleinheit 200 zugewandten Seite bzw. der Bördeleinheit 200 zugewandten Ende eine umlaufende Aufweitung auf, durch welche eine Matrize gebildet ist, wenn die zueinander passenden Aufnahmen 19, 19' das Rohr 300 umgreifen.The receptacles 19, 19 'have, on their side facing the flanging unit 200 or the flanging unit 200, a circumferential widening, through which a female mold is formed, when the mating receptacles 19, 19' surround the tube 300.

In den Figuren 2A und 2B ist das Rohr 300 bereits in den Zwischenraum zwischen den voneinander wegbewegten Klemmteilen 2 und 3 eingefädelt und mit seiner Stirnseite in Anlage gegen den Anschlag 4 gebracht. Bevorzugt befindet sich das Rohr 300 in der eingefädelten Position mit seiner Umfangswandung in Anlage gegen das translatorisch nicht bewegbare Klemmteil 2, wie es aus den Figuren 2A und 2B ersichtlich ist. Das Rohr 300 ist in der eingefädelten Position noch nicht zwischen den Klemmteilen 2 und 3 gehalten. Hierzu ist das Klemmteil 3 erst in Richtung gegen das Klemmteil 2 zu bewegen und in Klemmposition zu bringen.In the FIGS. 2A and 2 B the pipe 300 is already threaded into the space between the moving away from each other clamping parts 2 and 3 and brought with its front side in abutment against the stop 4. Preferably, the tube 300 is in the threaded position with its peripheral wall in abutment against the translationally non-movable clamping part 2, as is apparent from the FIGS. 2A and 2 B is apparent. The tube 300 is not yet held between the clamping parts 2 and 3 in the threaded position. For this purpose, the clamping part 3 is only to be moved in the direction against the clamping part 2 and bring in clamping position.

Figuren 3A und 3B zeigen die Haltevorrichtung 1 im geschlossenen Zustand, bei dem das Betätigungselement 5 in Richtung gegen das Griffteil 15 verschwenkt ist. In dem geschlossenen Zustand ist das Zwischenglied 6 mit dem daran angeordneten Klemmteil 3 in Richtung gegen das Klemmteil 2 verschoben, so dass das Rohr 300 in einer von den Klemmteilen 2 und 3 gebildeten Aufnahme 20 fixiert ist. Die Aufnahme 20 ist an ihrem der (in den Figuren 3A und 3B nicht dargestellten) Bördeleinheit 200 zugewandten Ende aufgeweitet und bildet eine Matrize 21 für den durch die Bördeleinheit zu erzeugenden Bördel am Ende des Rohres 300. FIGS. 3A and 3B show the holding device 1 in the closed state, in which the actuating element 5 is pivoted in the direction against the handle part 15. In the closed state, the intermediate member 6 is displaced with the clamping part 3 arranged thereon in the direction against the clamping part 2, so that the tube 300 is fixed in a receptacle 20 formed by the clamping parts 2 and 3. The recording 20 is at her (in the FIGS. 3A and 3B not shown) crimping unit 200 facing the end and forms a die 21 for the crimping unit to be produced flare at the end of the tube 300th

Der Anschlag 4 ist durch das Verschieben des Zwischengliedes 6 in Richtung zu dem Klemmelement 2 mit seiner Nut 10 an dem Halteelement 11 zwangsgeführt nach außen verschwenkt, so dass in der geschlossenen Stellung des Betätigungselementes 5 der Zugang zu dem zu bördelnden Ende des Rohres 300 bzw. dem Zugang zu der Matrize 21 für das (in den Figuren 3A und 3B nicht dargestellte) Bördelwerkzeug freigegeben ist.The stop 4 is forcibly guided by the displacement of the intermediate member 6 in the direction of the clamping element 2 with its groove 10 on the holding member 11 is pivoted outwardly, so that in the closed position of the actuating element 5 access to the end to be flanged of the tube 300 and the access to the die 21 for the (in the FIGS. 3A and 3B not shown) flare tool is released.

Vorzugsweise weist der Anschlag 4 die Umfangskontur der Matrize 21 auf, insbesondere ist der Anschlag 4 zumindest über einen Abschnitt in Art eines Kreises oder Kreissegmentes ausgebildet, so dass bereits bei einer geringfügigen Verschwenkbewegung des Anschlages 4 nach außen der Zugang zu der Matrize 21 bzw. dem Ende des zu bördelnden Rohres freigelegt ist.Preferably, the stop 4, the peripheral contour of the die 21, in particular, the stopper 4 is formed at least over a portion in the manner of a circle or circle segment, so that even with a slight pivoting movement of the stop 4 to the outside access to the die 21 and dem End of the tube to be flared is exposed.

Bei der Ausführungsform der Haltevorrichtung 1 gemäß der Figuren 1 bis 3B ist das Betätigungselement 5 als Exzenterhebel ausgebildet, wobei der Hebel des Exzenterhebels durch das Griffteil 14 gebildet ist. Durch Betätigen des Betätigungselementes 5 von dem offenen Zustand in Richtung zu dem geschlossenen Zustand der Haltevorrichtung 1 gelangt das an dem einen Ende des Exzenterhebels angeordnete Rollelement 17 in Anlage gegen das Zwischenglied 6 und drückt das Zwischenglied 6 in Richtung gegen das Klemmteil 2. Das zu bördelnde Rohr 300 wird dadurch zwischen den Klemmteilen 2 und 3 soweit verklemmt, dass das Rohr zumindest verliersicher in der eingefädelten Position gehalten wird. Durch weiteres Verschwenken des Betätigungselementes 5 in Richtung zu dem Griffteil 15 gelangt das Rollelement 17 in eine Position, in welcher das Rollelement 17 etwas über dem die Schwenkachse 16 des Betätigungselementes 5 hinausgeschwenkt ist und dadurch das Betätigungselement 5 eine Arretierposition erreicht, in welcher eine Selbsthemmung des Betätigungselements 5 gegen Öffnen erreicht ist (Fig. 3A und 3B). In dieser Position ist durch das Betätigungselement 5 ein so starker Anpressdruck über das Zwischenglied 6 auf das Klemmteil 3 übertragen, dass das Rohr 300 zwischen den Klemmteilen 2 und 3 eine solche Klemmung gebracht ist, dass das Rohr 300 gegen die Kraft des Bördelwerkzeuges fixiert ist.In the embodiment of the holding device 1 according to the FIGS. 1 to 3B the actuating element 5 is designed as an eccentric lever, wherein the lever of the eccentric lever is formed by the handle part 14. By operating the actuating element 5 from the open state in the direction of the closed state of the holding device 1, which is arranged at one end of the eccentric lever rolling element 17 comes into abutment against the intermediate member 6 and pushes the intermediate member 6 in the direction against the clamping part 2. To be flanged Pipe 300 is thus clamped between the clamping parts 2 and 3 so far that the tube is held at least captive in the threaded position. By further pivoting of the actuating element 5 in the direction of the handle part 15, the rolling element 17 comes to a position in which the rolling element 17 is pivoted slightly beyond the pivot axis 16 of the actuating element 5 and thereby the actuating element 5 reaches a locking position in which a self-locking of Actuator 5 is achieved against opening ( Fig. 3A and 3B ). In this position, such a strong contact pressure is transmitted via the intermediate member 6 on the clamping part 3 by the actuating element 5, that the tube 300 is brought between the clamping parts 2 and 3 such a clamping that the tube 300 is fixed against the force of the crimping tool.

Das als Exzenterhebel ausgebildete Betätigungselement 5 ist vorzugsweise an seinem Exzenterabschnitt derart ausgebildet, dass der Exzenterabschnitt in der geschlossenen Stellung des Betätigungselements in Anlage gegen das Gehäuse 12 der Haltevorrichtung 1 in Wirkstellung tritt. Vorzugsweise liegen in dieser Position die Griffteile 14 und 15 im Wesentlichen parallel zueinander gegenüber.Trained as an eccentric lever actuator 5 is preferably formed on its eccentric portion such that the eccentric portion in the closed position of the actuating element in abutment against the housing 12 of the holding device 1 comes into operative position. Preferably, in this position, the grip parts 14 and 15 are substantially parallel to each other.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Haltevorrichtungholder
22
Klemmteilclamping part
33
Klemmteilclamping part
44
Anschlagattack
55
Betätigungselement, ExzenterhebelActuator, eccentric lever
66
Zwischengliedintermediary
77
gehäusefester Abschnitthousing-fixed section
7'7 '
gehäusefester Abschnitthousing-fixed section
88th
Drehachseaxis of rotation
99
Schwenkachseswivel axis
1010
Nutgroove
1111
Halteelementretaining element
1212
Gehäusecasing
1414
Griffteilhandle part
1515
Griffteilhandle part
1616
Schwenkachseswivel axis
1717
Rollelementrolling element
1818
Halteelementretaining element
1919
Aufnahmeadmission
19'19 '
Aufnahmeadmission
2020
Aufnahmeadmission
2121
Matrizedie
100100
BordelgerätBordelgerät
200200
Bördeleinheithemming
210210
Handhabehandle
220220
Drehachseaxis of rotation
300300
zu bördelndes Rohrto be crimped pipe

Claims (15)

  1. A holding fixture (1) for a flanging device (100) for fixing in place a pipe to be flanged, having two clamping pieces (2, 3) displaceable relative to each other, between which the pipe to be flanged can be clamped, a stop (4) against which the end to be flanged of the pipe to be flanged can be placed, and having an actuating mechanism by means of which the clamping parts (2, 3) can be brought into clamping positions against the pipe to be flanged, characterized in that the actuating mechanism is coupled to the stop (4) so that the stop can be brought out of the contact position relative to the pipe to be flanged by actuating the actuating mechanism.
  2. The holding fixture according to claim1, characterized in that the clamping parts (2, 3) form a negative shape for the pipe end to be flanged, wherein access to the negative shape is enabled by the stop (4) in the clamping position of the clamping parts (2, 3).
  3. The holding fixture according to claim 1 or 2, characterized in that the stop (4) is operationally connected to one of the clamping parts (2, 3), so that when the clamping parts (2, 3) move relative to each other, the stop (4) moves at least partially as well.
  4. The holding fixture according to any one of the preceding claims, characterized in that one of the clamping parts (2, 3) is translationally displaceable relative to a segment (7') fixed to a housing, particularly positively guided on the segment (7') fixed to a housing, and the stop (4) is pivotally supported on the one clamping part (3).
  5. The holding fixture according to any one of the preceding claims, characterized in that the actuating mechanism comprises a manually actuated actuating element (5) acting on at least one of the clamping parts (2, 3) and/or the stop (4).
  6. The holding fixture according to claim 5, characterized in that the stop (4) and at least one of the clamping parts (2, 3) interacts with the actuating element (5) by means of at least one intermediate link, particularly a common intermediate link (6).
  7. The holding fixture according to claim 5 or 6, characterized in that the intermediate link (6) is translationally displaceable relative to a segment (7') fixed to a housing, particularly positively guided on the segment (7') fixed to a housing, and that the stop (4) is pivotally supported on the intermediate link (6).
  8. The holding fixture according to any one of the preceding claims, characterized in that the clamping parts (2, 3) are implemented for rotating and one of the clamping parts (2, 3) is rotationally supported on the intermediate link (6), and particularly the axis of rotation of the one clamping part (3) coincides with the pivot axis (9) of the stop (4).
  9. The holding fixture according to any one of the preceding claims, characterized in that the motion of the stop (4) is positively guided relative to a segment fixed to a housing.
  10. The holding fixture according to claim 9, characterized in that the stop (4) comprises an elongated slit (10), an elongated hole or a similar elongated material opening, by which the stop (4) is guided on a holding bolt (11) forming the axis of rotation (8) of the one clamping part (2).
  11. The holding fixture according to any one of the claims 5 through 10, characterized in that the actuating element (5) is pivotally supported on the housing (12) of the holding fixture (1).
  12. The holding fixture according to claim 11, characterized in that the actuating element (5) is implemented as an eccentric lever, by means of which the clamping parts (2, 3) are brought into a position relative to each other for securely holding the pipe to be flanged when pivoted from an initial position into a first position.
  13. The holding fixture according to claim 12, characterized in that the actuating element (5) implemented as an eccentric lever brings the clamping parts (2, 3) into a position relative to each other holding the pipe to be flanged against the force of a flanging tool when pivoted from the first position into a second position.
  14. The holding fixture according to any one of the claims 5 through 13, characterized in that the actuating element (5) comprises a handle part (14) that can be pivoted against a handle part (15) of the housing of the holding fixture (1).
  15. A flanging device (100) for flanging pipe ends having a holding fixture (1) according to any one of the preceding claims.
EP12712570.6A 2011-02-09 2012-01-20 Holding device for a flanging tool and flanging tool for flanging pipe ends Active EP2640533B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL12712570T PL2640533T3 (en) 2011-02-09 2012-01-20 Holding device for a flanging tool and flanging tool for flanging pipe ends

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011000580A DE102011000580A1 (en) 2011-02-09 2011-02-09 Holding device for a crimping device and crimping device for crimping pipe ends
PCT/DE2012/100014 WO2012107030A1 (en) 2011-02-09 2012-01-20 Holding device for a flanging tool and flanging tool for flanging pipe ends

Publications (2)

Publication Number Publication Date
EP2640533A1 EP2640533A1 (en) 2013-09-25
EP2640533B1 true EP2640533B1 (en) 2015-04-01

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US (1) US9669454B2 (en)
EP (1) EP2640533B1 (en)
DE (2) DE102011000580A1 (en)
DK (1) DK2640533T3 (en)
ES (1) ES2543442T3 (en)
PL (1) PL2640533T3 (en)
PT (1) PT2640533E (en)
WO (1) WO2012107030A1 (en)

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WO2013064143A2 (en) 2011-11-02 2013-05-10 Rothenberger Ag Clamping element for a clamping device for fixing a tube to be flanged
US10379534B2 (en) * 2016-01-28 2019-08-13 Qualcomm Incorporated Drone flight control
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WO2012107030A1 (en) 2012-08-16
PL2640533T3 (en) 2015-10-30
ES2543442T3 (en) 2015-08-19
US20140033784A1 (en) 2014-02-06
DE112012000218A5 (en) 2013-12-05
EP2640533A1 (en) 2013-09-25
DK2640533T3 (en) 2015-07-13
US9669454B2 (en) 2017-06-06
DE102011000580A1 (en) 2012-08-09
PT2640533E (en) 2015-09-08

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