EP1943041A1 - Device for machining the end of a tubular member - Google Patents

Device for machining the end of a tubular member

Info

Publication number
EP1943041A1
EP1943041A1 EP06808297A EP06808297A EP1943041A1 EP 1943041 A1 EP1943041 A1 EP 1943041A1 EP 06808297 A EP06808297 A EP 06808297A EP 06808297 A EP06808297 A EP 06808297A EP 1943041 A1 EP1943041 A1 EP 1943041A1
Authority
EP
European Patent Office
Prior art keywords
tubular member
plate
clamping
milling cutter
drive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
EP06808297A
Other languages
German (de)
French (fr)
Inventor
Stephan Rieth
Frédéric Legrand
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.)
Axxair
Original Assignee
Axxair
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Axxair filed Critical Axxair
Publication of EP1943041A1 publication Critical patent/EP1943041A1/en
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C3/00—Milling particular work; Special milling operations; Machines therefor
    • B23C3/007—Milling end surfaces of nuts or tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • B23B5/16—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor for bevelling, chamfering, or deburring the ends of bars or tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C3/00—Milling particular work; Special milling operations; Machines therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C3/00—Milling particular work; Special milling operations; Machines therefor
    • B23C3/12—Trimming or finishing edges, e.g. deburring welded corners
    • B23C3/122—Trimming or finishing edges, e.g. deburring welded corners of pipes or cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C5/00—Milling-cutters
    • B23C5/02—Milling-cutters characterised by the shape of the cutter
    • B23C5/10—Shank-type cutters, i.e. with an integral shaft
    • B23C5/109—Shank-type cutters, i.e. with an integral shaft with removable cutting inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C2210/00—Details of milling cutters
    • B23C2210/70—Pilots
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C2220/00—Details of milling processes
    • B23C2220/40—Using guiding means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C2265/00—Details of general geometric configurations
    • B23C2265/08—Conical
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00—Cutting by use of rotating axially moving tool
    • Y10T408/55—Cutting by use of rotating axially moving tool with work-engaging structure other than Tool or tool-support
    • Y10T408/563—Work-gripping clamp
    • Y10T408/5633—Adapted to coaxially grip round work

Definitions

  • the invention relates to the technical sector of metalworking, particularly to machining operations, and more particularly to chamfering and / or cutting operations performed at the end of any tubular member.
  • this machining end of a tubular member can be achieved by means of HSS tool machines.
  • the proposed solutions do not give complete satisfaction especially in the duration of execution of the work.
  • HSS tools can be replaced by tools with carbide inserts that should also be rotated at high speeds. This results in the need to use a machine with significant dimensional characteristics and stiffness.
  • the object of the invention is to remedy these disadvantages in a simple, safe, effective and rational manner.
  • the problem to be solved by the invention is to be able to perform an orbital type machining at a very high speed, with the possibility of using a portable or fixed machine of small size and reduced weight, this machining being advantageously chamfering and / or a cut and other machining at the end of a tubular member.
  • the invention allows the use of very high cutting speeds in m / min of the order of ten times higher than commonly used techniques (HSS or others).
  • each carbide insert used is of the type having the technical characteristics conforming to or equivalent to those described in the international patent application WO 2004/078395.
  • the cutter is constituted by a head coupled to the drive member and having a face with fingerprints for the angular mounting of the carbide inserts.
  • the carbide inserts are profiled in section to delimit cutting faces composed of at least two rectilinear segments arranged angularly to perform the machining operation in the form of a cut and / or chamfering.
  • the clamping means of the tubular member are formed by clamping jaws and the circular displacement means of the motor member are part of a machine comprising: a tray of clamping device rotatably mounted on one side of a fixed part, said plate and said part being pierced coaxially so as to provide an opening for the engagement of the tubular member; the fixed part has arrangements for mounting with displacement capacity in guided translation, the clamping jaws opening into the opening, under the effect of the circular drive of the clamping plate; on the other side of the fixed part, and in coaxial alignment, is mounted a rotating support plate which receives a crown mounted with capacity circular displacement and locking in position relative to said plate; the ring has arrangements adapted to receive the motor member; the entire plate and the crown are mounted with circular displacement capacity, manual or motorized, relative to the tubular member clamped between the jaws, to subject said member to the action of the carbide plates of the cutter under the effect of said combined displacement with the rotational drive of said cutter.
  • FIG. 1 is a perspective view of an exemplary embodiment of a machine implementing the device according to the invention
  • FIG. 2 is a perspective view of an embodiment of the drive motor equipped with a cutter with carbide inserts
  • FIG. 3 is a perspective view of an embodiment of the milling head with carbide inserts according to the invention.
  • Figure 4 is a view similar to Figure 3 of a milling head equipped with a rolling member
  • FIG. 5 is another embodiment of the cutter arranged with carbide inserts for, according to the invention, perform the chamfering operation in combination with cutting inserts.
  • an embodiment of the device for machining the end a tubular member is in the form of a machine capable of producing, in a known manner, an orbital machining.
  • This type of machine as is apparent, for example, from the teaching of the aforementioned patent FR 2802134, comprises a plate (1) arranged vertically and facing, in the tangent position, a fixed part (2).
  • the plate (1) is rotatably mounted relative to the fixed part (2) which can consist of a part of the frame of the machine.
  • the plate (1) and the part (2) have a central opening for the engagement of the tubular member (not shown).
  • the fixed part (2) has arrangements for mounting, with displacement capacity in guided translation, clamping jaws (3). For example, the displacement of the clamping jaws (3) takes place concentrically with the tubular member.
  • the machine On the other side of the fixed part (2), the machine is equipped, in a coaxial manner with the turntable (1), with another rotating plate (6) for the circular displacement, in an orbital manner, a driving member (7) relative to the tubular member clamped between the jaws (3).
  • the fixed part (2) and the plate (6) are arranged in parallel planes, in particular vertical planes.
  • the driving means (13) of the turntable (6) for the circular movement of the mill motor around the tube can be either manual or motorized.
  • the turntable (6) can receive, eccentrically or not, a ring (8) mounted with capacity for circular displacement and locking position relative to said plate (6).
  • the ring (8) has arrangements for mounting, removably, the drive member (7).
  • the driving motor member receives a cutter (9), conical or cylindrical, and having carbide plates (10). More particularly, the cutter is constituted by a head coupled to the drive shaft of the drive member (7) and having a face (9a) with recesses (9b) for the angular mounting, with disassembly capacity, carbide inserts (10).
  • the face (9a) of the cutter has at least two carbide plates (10).
  • this face (9a) has three carbide plates (10) regularly offset by 170 ° on a circumference.
  • the cutter (9) can be mounted in a shell (11) semi-open secured to the housing (7a) of the drive member (7).
  • the semi-open shell (11) has arrangements (l ia) for coupling to the ring gear (8), so that the carbide plates (10) perform the machining operation of the end of the tubular member under the combined effect of the circular displacement of the drive member (7) and the rotational drive of the cutter (9).
  • Each carbide insert (10) is profiled in section to delimit cutting faces composed of at least two rectilinear segments (10a) and (10b) arranged angularly to perform the machining operation under shape of a cut and / or chamfering.
  • the characteristics of the carbide inserts (10) are advantageously of the type defined by the teaching of the international application WO 2004/078395.
  • the carbide inserts (10) can be declined in several angles, with different combinations, to chamfer, cut, cut-chamfer, erect, or other desired machining operations at the end of the tubular member.
  • FIG. 5 shows a milling cutter (9) with chamfering carbide inserts (10) and cutting inserts (12).
  • the milling cutter (9) is equipped with a rolling member (15) in the form of a roller, for example.
  • a rolling member (15) in the form of a roller, for example.
  • the drive member (7) for driving the cutter (9) can be electrical, pneumatic, hydraulic type.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Milling Processes (AREA)

Abstract

The invention concerns a device comprising: means for clamping (3) the tubular member to maintain same in a fixed position; means (6), (8) for imparting a circular movement to a driving member (7) about the end of the tubular member; a milling cutter (9) driven in rotation by the driving member and including carbide inserts (10) to perform machining under the combined effect of the circular movement of the driving member (7) and the rotational movement of said milling cutter (9).

Description

DISPOSITIF POUR USINER L'EXTREMITE D'UN ORGANE DEVICE FOR MACHINING THE END OF AN ORGAN
TUBULAIRE.TUBULAR.
L'invention se rattache au secteur technique du travail des métaux, notamment aux opérations d'usinage, et plus particulièrement aux opérations de chanfreinage et/ou de coupe réalisées en bout d'un organe tubulaire quelconque.The invention relates to the technical sector of metalworking, particularly to machining operations, and more particularly to chamfering and / or cutting operations performed at the end of any tubular member.
Différentes solutions techniques peuvent être utilisées pour réaliser ce type d'opération d'usinage. Notamment, cet usinage en bout d'un organe tubulaire peut être réalisé au moyen de machines à outils HSS. Les solutions proposées ne donnent pas totalement satisfaction particulièrement dans la durée d'exécution du travail.Different technical solutions can be used to perform this type of machining operation. In particular, this machining end of a tubular member can be achieved by means of HSS tool machines. The proposed solutions do not give complete satisfaction especially in the duration of execution of the work.
On peut par exemple utiliser des outils traditionnels en acier rapide, connus par l'homme du métier sous la référence HSS qu'il convient de faire tourner autour de l'organe tubulaire qui est fixe. Dans ce cas, il est nécessaire d'entraîner en rotation les outils à une vitesse adaptée à la matière à usiner.One can for example use traditional high-speed steel tools known to those skilled in the art under the reference HSS that should be rotated around the tubular member which is fixed. In this case, it is necessary to rotate the tools at a speed adapted to the material to be machined.
Ces outils HSS peuvent être remplacés par des outils avec des plaquettes carbure qu'il convient également de déplacer en rotation à des vitesses élevées. Il en résulte la nécessité d'utiliser une machine présentant des caractéristiques dimensionnelles et de rigidité importantes.These HSS tools can be replaced by tools with carbide inserts that should also be rotated at high speeds. This results in the need to use a machine with significant dimensional characteristics and stiffness.
On a également proposé d'utiliser une fraise de forme, entraînée en rotation par un organe moteur lequel peut être assujetti à des moyens pour être déplacé autour de l'organe tubulaire à chanfreiner. Une solution de ce type ressort par exemple de renseignement du brevet FR 2802134. La denture de la fraise utilisée génère des copeaux importants, de sorte qu'il n'est pas possible de déplacer rapidement l'organe moteur autour du tube, rendant l'opération d'usinage relativement longue. Les mêmes inconvénients se retrouvent dans la solution divulguée par l'enseignement du brevet DE 19603361.It has also been proposed to use a milling cutter driven in rotation by a motor member which may be subject to means for being displaced around the tubular member to be chamfered. A solution of this type spring for example information patent FR 2802134. The teeth of the cutter used generates significant chips, so that it is not possible to quickly move the motor member around the tube, making the machining operation relatively long. The same disadvantages are found in the solution disclosed by the teaching of DE 19603361.
L'invention s'est fixée pour but de remédier à ces inconvénients d'une manière simple, sûre, efficace et rationnelle.The object of the invention is to remedy these disadvantages in a simple, safe, effective and rational manner.
Le problème que se propose de résoudre l'invention est de pouvoir réaliser un usinage de type orbital à très grande vitesse, avec la possibilité d'utiliser une machine portable ou fixe de faible encombrement et de poids réduit, cet usinage étant avantageusement un chanfreinage et/ou une coupe et autres usinages en bout d'un organe tubulaire. L'invention permet l'utilisation de très grandes vitesses de coupe en m/min de l'ordre de dix fois supérieure aux techniques couramment utilisées (HSS ou autres).The problem to be solved by the invention is to be able to perform an orbital type machining at a very high speed, with the possibility of using a portable or fixed machine of small size and reduced weight, this machining being advantageously chamfering and / or a cut and other machining at the end of a tubular member. The invention allows the use of very high cutting speeds in m / min of the order of ten times higher than commonly used techniques (HSS or others).
Pour résoudre ce problème, il a été conçu et mis au point un dispositif qui comprend : des moyens de serrage de l'organe tubulaire pour le maintenir dans une position fixe ; des moyens de déplacement circulaire d'un organe moteur autour de l'extrémité de l'organe tubulaire ; - une fraise entraînée en rotation par l'organe moteur et présentant des plaquettes carbure pour réaliser l'opération d'usinage sous l'effet combiné du déplacement circulaire de l'organe moteur et de l'entraînement en rotation de ladite fraise. Avantageusement, compte tenu du problème posé à résoudre, chaque plaquette de carbure utilisée est du type de celle présentant des caractéristiques techniques conformes ou équivalentes à celles décrites dans la demande de brevet internationale WO 2004/078395.To solve this problem, it has been designed and developed a device which comprises: means for clamping the tubular member to hold it in a fixed position; circular displacement means of a motor member around the end of the tubular member; - A cutter rotated by the drive member and having carbide inserts for performing the machining operation under the combined effect of the circular displacement of the drive member and the rotational drive of said cutter. Advantageously, in view of the problem to be solved, each carbide insert used is of the type having the technical characteristics conforming to or equivalent to those described in the international patent application WO 2004/078395.
En considérant l'enseignement de la demande internationale précitée et compte tenu du problème posé à résoudre, la fraise est constituée par une tête accouplée à l'organe moteur et présentant une face avec des empreintes pour le montage angulaire des plaquettes carbure.Considering the teaching of the aforementioned international application and given the problem to be solved, the cutter is constituted by a head coupled to the drive member and having a face with fingerprints for the angular mounting of the carbide inserts.
Les plaquettes carbure sont profilées en section pour délimiter des faces de coupe composées d'au moins deux segments rectilignes disposés angulairement pour réaliser l'opération d'usinage sous forme d'une coupe et/ou d'un chanfreinage.The carbide inserts are profiled in section to delimit cutting faces composed of at least two rectilinear segments arranged angularly to perform the machining operation in the form of a cut and / or chamfering.
Dans une forme de réalisation avantageuse de l'invention, les moyens de serrage de l'organe tubulaire sont constitués par des mors de serrage et les moyens de déplacement circulaire de l'organe moteur font partie d'une machine comprenant : - un plateau de serrage monté tournant d'un côté d'une partie fixe, ledit plateau et ladite partie étant percés coaxialement afin de ménager une ouverture pour l'engagement de l'organe tubulaire ; la partie fixe présente des agencements pour le montage avec capacité de déplacement en translation guidé, des mors de serrage débouchant dans l'ouverture, sous l'effet de l'entraînement circulaire du plateau de serrage ; de l'autre côté de la partie fixe, et en alignement coaxial, est monté un plateau support tournant qui reçoit une couronne montée avec capacité de déplacement circulaire et de blocage en position par rapport audit plateau ; la couronne présente des agencements apte à recevoir l'organe moteur ; l'ensemble du plateau et de la couronne sont montés avec capacité de déplacement circulaire, manuel ou motorisé, par rapport à l'organe tubulaire serré entre les mors, pour soumettre ledit organe à l'action des plaquettes carbure de la fraise sous l'effet dudit déplacement combiné avec l'entraînement en rotation de ladite fraise.In an advantageous embodiment of the invention, the clamping means of the tubular member are formed by clamping jaws and the circular displacement means of the motor member are part of a machine comprising: a tray of clamping device rotatably mounted on one side of a fixed part, said plate and said part being pierced coaxially so as to provide an opening for the engagement of the tubular member; the fixed part has arrangements for mounting with displacement capacity in guided translation, the clamping jaws opening into the opening, under the effect of the circular drive of the clamping plate; on the other side of the fixed part, and in coaxial alignment, is mounted a rotating support plate which receives a crown mounted with capacity circular displacement and locking in position relative to said plate; the ring has arrangements adapted to receive the motor member; the entire plate and the crown are mounted with circular displacement capacity, manual or motorized, relative to the tubular member clamped between the jaws, to subject said member to the action of the carbide plates of the cutter under the effect of said combined displacement with the rotational drive of said cutter.
L'invention est exposée ci-après plus en détail à l'aide des figures des dessins annexés dans lesquels :The invention is described below in more detail with reference to the figures of the accompanying drawings, in which:
- la figure 1 est une vue en perspective d'un exemple de réalisation d'une machine mettant en œuvre le dispositif selon l'invention ;FIG. 1 is a perspective view of an exemplary embodiment of a machine implementing the device according to the invention;
- la figure 2 est une vue en perspective d'une forme de réalisation du moteur d'entraînement équipé d'une fraise avec plaquettes carbure ;FIG. 2 is a perspective view of an embodiment of the drive motor equipped with a cutter with carbide inserts;
- la figure 3 est une vue en perspective d'une forme de réalisation de la tête de fraisage avec plaquettes carbure selon l'invention ;- Figure 3 is a perspective view of an embodiment of the milling head with carbide inserts according to the invention;
- la figure 4 est une vue semblable à la figure 3 d'une tête de fraisage équipée d'un organe de roulement ;- Figure 4 is a view similar to Figure 3 of a milling head equipped with a rolling member;
- la figure 5 est une autre forme de réalisation de la fraise agencée avec des plaquettes carbure pour, selon l'invention, réaliser l'opération de chanfreinage, en combinaison avec des plaquettes de coupe.- Figure 5 is another embodiment of the cutter arranged with carbide inserts for, according to the invention, perform the chamfering operation in combination with cutting inserts.
Comme illustré aux figures des dessins, à titre indicatif nullement limitatif, un exemple de réalisation du dispositif pour usiner l'extrémité d'un organe tubulaire se présente sous forme d'une machine apte à réaliser, d'une manière connue, un usinage en orbital.As illustrated in the figures of the drawings, by way of non-limiting example, an embodiment of the device for machining the end a tubular member is in the form of a machine capable of producing, in a known manner, an orbital machining.
Ce type de machine, comme il ressort, par exemple, de l'enseignement du brevet précité FR 2802134, comprend un plateau (1) disposé verticalement et en regard, en position de tangence, d'une partie fixe (2). Le plateau (1) est monté tournant par rapport à la partie fixe (2) qui peut être constituée d'une partie du bâti de la machine. Le plateau (1) et la partie (2) présentent une ouverture centrale pour l'engagement de l'organe tubulaire (non représenté). La partie fixe (2) présente des agencements pour le montage, avec capacité de déplacement en translation guidée, de mors de serrage (3). Par exemple, le déplacement des mors de serrage (3) s'effectue d'une manière concentrique à l'organe tubulaire.This type of machine, as is apparent, for example, from the teaching of the aforementioned patent FR 2802134, comprises a plate (1) arranged vertically and facing, in the tangent position, a fixed part (2). The plate (1) is rotatably mounted relative to the fixed part (2) which can consist of a part of the frame of the machine. The plate (1) and the part (2) have a central opening for the engagement of the tubular member (not shown). The fixed part (2) has arrangements for mounting, with displacement capacity in guided translation, clamping jaws (3). For example, the displacement of the clamping jaws (3) takes place concentrically with the tubular member.
Une solution pour le déplacement du mors de serrage ressort, par exemple, de l'enseignement du brevet FR 2.771.319.A solution for moving the clamping jaw spring, for example, the teaching of FR 2,771,319.
De l'autre côté de la partie fixe (2), la machine est équipée, d'une manière coaxiale au plateau tournant (1), d'un autre plateau tournant (6) pour le déplacement circulaire, d'une manière orbitale, d'un organe moteur (7) par rapport à l'organe tubulaire serré entre les mors (3). La partie fixe (2) et le plateau (6) sont disposés dans des plans parallèles, notamment verticaux.On the other side of the fixed part (2), the machine is equipped, in a coaxial manner with the turntable (1), with another rotating plate (6) for the circular displacement, in an orbital manner, a driving member (7) relative to the tubular member clamped between the jaws (3). The fixed part (2) and the plate (6) are arranged in parallel planes, in particular vertical planes.
Le moyen d'entraînement (13) du plateau tournant (6) pour le déplacement circulaire du moteur de fraise autour du tube, peut être soit manuel, soit motorisé. A noter que le plateau tournant (6) peut recevoir, d'une manière excentrique ou non, une couronne (8) montée avec capacité de déplacement circulaire et de blocage en position par rapport audit plateau (6). Dans ce cas, la couronne (8) présente des agencements pour le montage, d'une manière amovible, de l'organe moteur (7).The driving means (13) of the turntable (6) for the circular movement of the mill motor around the tube, can be either manual or motorized. Note that the turntable (6) can receive, eccentrically or not, a ring (8) mounted with capacity for circular displacement and locking position relative to said plate (6). In this case, the ring (8) has arrangements for mounting, removably, the drive member (7).
Selon une caractéristique à la base de l'invention, l'organe moteur d'entraînement reçoit une fraise (9), conique ou cylindrique, et présentant des plaquettes carbure (10). Plus particulièrement, la fraise est constituée par une tête accouplée à l'arbre d'entraînement de l'organe moteur (7) et présentant une face (9a) avec des empreinte (9b) pour le montage angulaire, avec capacité de démontage, des plaquettes carbure (10). La face (9a) de la fraise présente au moins deux plaquettes carbure (10). Avantageusement, cette face (9a) présente trois plaquettes carbure (10) régulièrement décalées de 170° sur une circonférence.According to a feature underlying the invention, the driving motor member receives a cutter (9), conical or cylindrical, and having carbide plates (10). More particularly, the cutter is constituted by a head coupled to the drive shaft of the drive member (7) and having a face (9a) with recesses (9b) for the angular mounting, with disassembly capacity, carbide inserts (10). The face (9a) of the cutter has at least two carbide plates (10). Advantageously, this face (9a) has three carbide plates (10) regularly offset by 170 ° on a circumference.
Comme le montrent notamment les figures 1 et 2 des dessins, la fraise (9) peut être montée dans une coquille (11) semi-ouverte rendue solidaire du carter (7a) de l'organe d'entraînement (7). La coquille semi- ouverte (11) présente des agencements (l ia) pour son accouplement sur la couronne (8), afin que les plaquettes carbure (10) réalisent l'opération d'usinage de l'extrémité de l'organe tubulaire sous l'effet combiné du déplacement circulaire de l'organe moteur (7) et de l'entraînement en rotation de la fraise (9).As shown in particular in Figures 1 and 2 of the drawings, the cutter (9) can be mounted in a shell (11) semi-open secured to the housing (7a) of the drive member (7). The semi-open shell (11) has arrangements (l ia) for coupling to the ring gear (8), so that the carbide plates (10) perform the machining operation of the end of the tubular member under the combined effect of the circular displacement of the drive member (7) and the rotational drive of the cutter (9).
Chaque plaquette carbure (10) est profilée en section pour délimiter des faces de coupe composées d'au moins deux segments rectilignes (10a) et (10b) disposés angulairement pour réaliser l'opération d'usinage sous forme d'une coupe et/ou d'un chanfreinage. Les caractéristiques des plaquettes carbure (10) sont avantageusement du type de celles définies par l'enseignement de la demande internationale WO 2004/078395.Each carbide insert (10) is profiled in section to delimit cutting faces composed of at least two rectilinear segments (10a) and (10b) arranged angularly to perform the machining operation under shape of a cut and / or chamfering. The characteristics of the carbide inserts (10) are advantageously of the type defined by the teaching of the international application WO 2004/078395.
Les plaquettes carbure (10) peuvent être déclinées en plusieurs angles, avec différentes combinaisons, afin de chanfreiner, couper, couper- chanfreiner, dresser, ou autres opérations d'usinage souhaitées à l'extrémité de l'organe tubulaire. On renvoie, par exemple, à la figure 5 qui montre une fraise (9) avec des plaquettes carbure de chanfreinage (10) et des plaquettes de coupe (12).The carbide inserts (10) can be declined in several angles, with different combinations, to chamfer, cut, cut-chamfer, erect, or other desired machining operations at the end of the tubular member. For example, reference is made to FIG. 5 which shows a milling cutter (9) with chamfering carbide inserts (10) and cutting inserts (12).
Dans la forme de réalisation illustrée figure 4, la fraise (9) est équipée d'un organe de roulement (15) sous forme d'un galet, par exemple. Ces dispositions permettent un suivi de l'usinage sur la peau extérieure de l'organe tubulaire avec, comme obligation, une résultante élastique donnée par le levier (14) de commande de la couronne (8), le galet (15) exerçant une poussée continue. Ce suivi permet de conserver la même caractéristique du « talon » de soudage sur toute la périphérie du tube même lorsque il n'est pas parfaitement circulaire mais légèrement oval.In the embodiment illustrated in FIG. 4, the milling cutter (9) is equipped with a rolling member (15) in the form of a roller, for example. These arrangements allow a follow-up of the machining on the outer skin of the tubular member with, as an obligation, an elastic resultant given by the lever (14) for controlling the crown (8), the roller (15) exerting a thrust keep on going. This monitoring keeps the same characteristic of the "heel" welding over the entire periphery of the tube even when it is not perfectly circular but slightly oval.
L'organe moteur (7), pour l'entraînement de la fraise (9), peut être du type électrique, pneumatique, hydraulique.The drive member (7) for driving the cutter (9) can be electrical, pneumatic, hydraulic type.
Les avantages ressortent bien de la description, en particulier on souligne que la spécificité des plaquettes carbure permet à l'ensemble de fonctionner de façon optimale avec la possibilité d'utiliser des vitesses élevées, sans nécessiter une mécanique importante au niveau des caractéristiques d'encombrement et des caractéristiques dimensionnelles. On souligne également la qualité de l'usinage obtenu. The advantages are apparent from the description, in particular it is emphasized that the specificity of the carbide inserts allows the assembly to operate optimally with the possibility of using high speeds, without requiring significant mechanical dimensions and dimensional characteristics. It also highlights the quality of the machining obtained.

Claims

R E V E N D I C A T I O N SR E V E N D I C A T IO N S
-1- Dispositif pour usiner l'extrémité d'un organe tubulaire, caractérisé en ce qu'il comprend : - des moyens de serrage (3) de l'organe tubulaire pour le maintenir dans une position fixe ; des moyens (6), (8) de déplacement circulaire d'un organe moteur (7) autour de l'extrémité de l'organe tubulaire ; une fraise (9) entraînée en rotation par l'organe moteur et présentant des plaquettes carbure (10) pour réaliser l'opération d'usinage sous l'effet combiné du déplacement circulaire de l'organe moteur (7) et de l'entraînement en rotation de ladite fraise (9).-1- Device for machining the end of a tubular member, characterized in that it comprises: - clamping means (3) of the tubular member to maintain it in a fixed position; means (6), (8) for circular displacement of a motor member (7) around the end of the tubular member; a milling cutter (9) driven in rotation by the drive member and having carbide inserts (10) for performing the machining operation under the combined effect of the circular displacement of the motor member (7) and the drive in rotation of said milling cutter (9).
-2- Dispositif selon la revendication 1, caractérisé en ce que la fraise (9) est conique et constituée par une tête accouplée à l'organe moteur (7), ladite tête présentant une face (9a) avec des empreintes (9b) pour le montage angulaire des plaquettes carbure (10).-2- Device according to claim 1, characterized in that the cutter (9) is conical and consists of a head coupled to the motor member (7), said head having a face (9a) with indentations (9b) for the angular assembly of the carbide plates (10).
-3- Dispositif selon l'une quelconque des revendications 1 à 2, caractérisé en ce que les plaquettes carbure (10) sont profilées en section pour délimiter des faces de coupe composées d'au moins deux segments rectilignes (10a) - (10b) disposés angulairement pour réaliser l'opération d'usinage sous forme d'une coupe et/ou d'un chanfreinage.-3- Device according to any one of claims 1 to 2, characterized in that the carbide plates (10) are profiled in section to define cutting faces composed of at least two rectilinear segments (10a) - (10b) angularly arranged to perform the machining operation in the form of a cut and / or chamfering.
-4- Dispositif selon l'une quelconque des revendications 1 à 3, caractérisé en ce que les moyens de serrage de l'organe tubulaire sont constitués par des mors de serrage (3) et les moyens de déplacement circulaire de l'organe moteur font partie d'une machine comprenant : un plateau de serrage (1) monté tournant d'un côté d'une partie fixe (2), ledit plateau (1) et ladite partie (2) étant percés coaxialement afin de ménager une ouverture pour l'engagement de l'organe tubulaire ; la partie fixe (2) présente des agencements pour le montage avec capacité de déplacement en translation guidé, des mors de serrage (3) débouchant dans l'ouverture, sous l'effet de l'entraînement circulaire du plateau de serrage (1) ; de l'autre côté de la partie fixe (2), et en alignement coaxial, est monté un plateau support tournant (6) qui reçoit une couronne (8) montée avec capacité de déplacement circulaire et de blocage en position par rapport audit plateau (6) ; la couronne (8) présente des agencements aptes à recevoir l'organe moteur (7) ; l'ensemble du plateau (6) et de la couronne (8) sont montés avec capacité de déplacement circulaire, manuel ou automatique, par rapport à l'organe tubulaire serré entre les mors (3), pour soumettre ledit organe à l'action des plaquettes carbure (10) de la fraise (9) sous l'effet dudit déplacement combiné avec l'entraînement en rotation de ladite fraise-4- Device according to any one of claims 1 to 3, characterized in that the clamping means of the tubular member are constituted by clamping jaws (3) and the circular displacement means of the motor member make part of a machine comprising: a clamping plate (1) rotatably mounted on one side of a fixed part (2), said plate (1) and said part (2) being pierced coaxially so as to provide an opening for the engagement of the tubular member ; the fixed part (2) has arrangements for mounting with displacement capacity in guided translation, the clamping jaws (3) opening into the opening, under the effect of the circular drive of the clamping plate (1); on the other side of the fixed part (2), and in coaxial alignment, is mounted a rotating support plate (6) which receives a ring gear (8) mounted with a capacity for circular displacement and locking in position with respect to said plate ( 6); the ring (8) has arrangements adapted to receive the driving member (7); the entire plate (6) and the crown (8) are mounted with circular displacement capacity, manual or automatic, relative to the tubular member clamped between the jaws (3), to submit said organ to action carbide plates (10) of the milling cutter (9) under the effect of said movement combined with the rotational drive of said milling cutter
(9). (9).
EP06808297A 2005-09-12 2006-09-08 Device for machining the end of a tubular member Ceased EP1943041A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0552738A FR2890582B1 (en) 2005-09-12 2005-09-12 DEVICE FOR MACHINING THE END OF A TUBULAR ORGAN
PCT/FR2006/050859 WO2007031671A1 (en) 2005-09-12 2006-09-08 Device for machining the end of a tubular member

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EP1943041A1 true EP1943041A1 (en) 2008-07-16

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US (1) US20090116914A1 (en)
EP (1) EP1943041A1 (en)
JP (1) JP2009507653A (en)
KR (1) KR20080069574A (en)
CN (1) CN101304830A (en)
FR (1) FR2890582B1 (en)
WO (1) WO2007031671A1 (en)

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WO2007031671A1 (en) 2007-03-22
US20090116914A1 (en) 2009-05-07
KR20080069574A (en) 2008-07-28
JP2009507653A (en) 2009-02-26
FR2890582A1 (en) 2007-03-16
CN101304830A (en) 2008-11-12
FR2890582B1 (en) 2008-01-18

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