EP0041432B1 - Vorrichtung zum Bearbeiten von Rohren - Google Patents

Vorrichtung zum Bearbeiten von Rohren Download PDF

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Publication number
EP0041432B1
EP0041432B1 EP19810400805 EP81400805A EP0041432B1 EP 0041432 B1 EP0041432 B1 EP 0041432B1 EP 19810400805 EP19810400805 EP 19810400805 EP 81400805 A EP81400805 A EP 81400805A EP 0041432 B1 EP0041432 B1 EP 0041432B1
Authority
EP
European Patent Office
Prior art keywords
support
shaping
rod
tube
rigid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP19810400805
Other languages
English (en)
French (fr)
Other versions
EP0041432A1 (de
Inventor
Eugène Gateau
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.)
SOCIETE NOUVELLE DES CINTREUSES MINGORI
Original Assignee
Nouvelle Des Cintreuses Mingori Ste
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 Nouvelle Des Cintreuses Mingori Ste filed Critical Nouvelle Des Cintreuses Mingori Ste
Publication of EP0041432A1 publication Critical patent/EP0041432A1/de
Application granted granted Critical
Publication of EP0041432B1 publication Critical patent/EP0041432B1/de
Expired legal-status Critical Current

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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
    • B21D7/00—Bending rods, profiles, or tubes
    • B21D7/06—Bending rods, profiles, or tubes in press brakes or between rams and anvils or abutments; Pliers with forming dies
    • B21D7/063—Pliers with forming dies
    • 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
    • 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
    • B21D7/00—Bending rods, profiles, or tubes
    • B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
    • B21D7/024—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member

Definitions

  • the present invention relates generally to the work of forming metal tubes, in particular copper tubes, and it relates more particularly to an improved bending machine adapted to perform. kill different operations of forming copper tubes on site.
  • the assemblers must also carry out on-site work of shaping the ends of the tubes, whether bent or not, to form sockets, collars or openings in a known manner.
  • this device is not intended to be used as a mobile workstation on a construction site.
  • the invention aims to remedy these difficulties while making a machine for shaping tubes, in particular copper and allowing to bend tubes of 8/10 mm with a radius less than 5D without any defect while simultaneously performing an operation for shaping one end of a tube, for example the formation of a socket or a swell.
  • the subject of the invention is to this end a device for shaping tubes, in particular thin-walled copper tubes, usable on site, of the type comprising a support piece, a rotary shape driven by means of a pinion and a rack integral with the piston rod of a double-acting hydraulic cylinder for bending the tube, characterized in that it comprises: means for shaping socket on a tube, a single member for simultaneously actuating said tubes socket shaping means and said rotary shape, means for slidingly mounting said actuating member, and means for connecting with the piston of the jack.
  • the apparatus comprises a hollow body 20 of elongated shape at one end of which is fixed a block 21, and a connecting member constituted by a yoke 2 fixed at its opposite end.
  • An axial bore 22 extends through the body 20 through the yoke 2 and the block 21.
  • a rod 4 is slidably mounted in the bore 22 and comprises at one end a connecting member 23 whose role will be described in the following and at its opposite end a punch 13 of the type used with the matrices of sockets for forming on the ends of the tube collars, expanses or other types of sockets by means of a matrix in a conventional manner.
  • the rod 4 further comprises between its ends a machined intermediate portion 24 extending longitudinally in which a rack having teeth 25 is formed by machining.
  • the removable punch 13 projects from the bore 22 on the block 21, while the connecting member 23 projects at the opposite end of the body 20 through the yoke 2.
  • a support 10 for the socket matrix is fixed around the orifice of the bore 22 on the block 21 and this support 10 comprises a lower branch 26 and an upper branch 27, the lower branch comprising two pins 28 projecting towards the top and the upper branch comprising a clamping screw 12, the pins 28 and the screw 12 being adapted to fix and retain between the branches 26 and 27 a conventional socket matrix 11 in two parts, the pins 28 being adapted to adjust in the holes provided in the lower part of the matrix 11, while the stop screw 12 makes it possible to tighten the two parts of the matrix.
  • a boss 29 is formed on the upper wall of the block 21 and carries a vertical axis, one end 5 of which projects upwards, this axis comprising a pinion 30 at its lower end and a head 31 at its upper end, projecting above the boss 29.
  • a slide 6 is fixed between the boss 29 and the yoke 2 so as to be spaced above the body 20 and a slide 7 constituting a counterform support is slidably mounted on the slide 6.
  • a threaded rod 14 is screwed into a support 32 secured to the upper edge of the yoke 2 and its end pivots in the slide 7 in which it is retained so as to be able to rotate freely, the rod 14 comprising a knurled button 33 at its end opposite to the slide 7.
  • the slide 7 has a groove 34 in which a counterform 8 is arranged by means of a removable pin 35 which can be adapted in holes, vertically in the slide 7.
  • the counterform 8 is constituted by a block having a vertical hole 36 adapted to receive the axis 35 and a curved groove 37 of semi-circular section, which is a segment of a circle.
  • a shape 9 of the conventional semi-circular type comprising a groove 38 in its curved peripheral part comprises means complementary to those of the head 31 of the axis 5 enabling it to be made to rotate with the latter. It is understood of course that the arrangement is such that the groove 38 of the form 9 and the groove 37 of the counterform 8 are located opposite one another, their axes being contained in the same plane.
  • the lateral wings of the yoke 2 comprise means such as holes 3 adapted to cooperate with complementary means of an actuating cylinder 1 which, in this example, is a double-acting hydraulic cylinder. It is understood of course that the invention is not limited to the use of a hydraulic cylinder but that one can adapt to the yoke 2 a cylinder, for example mechanical or any other suitable motor means.
  • the jack 1 has an actuating lever 39 and the piston rod (not shown) of the jack is connected to the rod 4 by means of the connecting member 23 which, in this example, is shown in the form of 'a threaded end which can cooperate with a threaded element integral with the piston rod of the jack.
  • the counterform 8 is mounted in the support slide 7 so as to be able to pivot around the vertical axis 35 with a certain clearance which allows it to freely take the desired position to perfectly match the curvature of the tube defined by the form 9.
  • the punch 13 projects through the orifice of the bore 22 between the upper and lower branches of the matrix support 10.
  • the operator mounts the matrix 11 1 in its support with one of the ends of the tube which it has just bent between the parts of the matrix, by fixing an appropriate punch 13 at the end of the rod 4 and it can simultaneously carry out a new bending operation of a second tube while simultaneously forming the desired socket in one of the ends of the previously bent tube.
  • the jack must be double-acting in order to allow to exert the force necessary to withdraw the punch 13 from the socket formed in the tube retained by the matrix.
  • the stroke of the punch 13 to perform a shaping operation can be shorter than the stroke necessary to drive the form 9 in rotation for a given bending operation
  • the support 10 is mounted adjustable in position along the longitudinal axis of the device on threaded rods 42, by means of butterfly nuts 43 by interposing spacers 44 of appropriate length on the rods 42, between the end of the body 20 and the support 10 as a function of the desired position of the matrix 11 carried by this support.
  • the apparatus according to the invention makes it possible to produce elbows without any physical effort and in addition without it being necessary to fix the apparatus on a workbench or other support because the elimination of the torsional force. It is thus possible to bend tubes with a diameter up to 28 which was impossible until now with benders of the type usable on site.
  • the apparatus according to the invention makes it possible to shape tubes 8/10 of wall thickness with a radius equal to or less than 4D, thus achieving significant savings in raw material.
  • the apparatus according to the invention can also be adapted to receive a mandrel holder 40, as well as conventional benders, for forming elbows using an internal mandrel 41.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Claims (8)

1. Kombinierte Vorrichtung für die Verformung von Rohren, insbesondere von dünnwandigen Kupferrohren, mit einem Haltteil (8) und einer drehbaren Form (9), welche von einem Zahnrad (30) und einer Zahnstange (25) antreibbar und mit der Kolbenstange eines doppeltwirkenden Hydraulikzylinders (1) verbunden ist, gekennzeichnet durch Mittel (11, 13) zur Herstellung eines Verbindungsstücks an dem Rohr, durch ein gemeinsames Antriebselement (4) zum Antrieb der vorgenannten Mittel (11, 13) und zur gleichzeitigen Betätigung der drehbaren Form (9), durch Mittel (20, 22) zur Lagerung des Antriebselements (4), sowie durch Mittel (2, 23) zur Verbindung mit dem Kolben des Hydraulikzylinders.
2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Mittel zur Herstellung des Verbindungsstücks einen Dorn (13) aufweisen, der lösbar an dem einen Ende des gemeinsamen Antriebselementes (4) angebracht ist, sowie eine Matritze (11), welche mit an der Vorrichtung befindlichen Halteelementen (10, 12, 28) zusammenwirkt.
3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß das gemeinsame Antriebselement (4) eine Stange ist, die die Zahnstange (25) trägt.
4. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Mittel zur Lagerung des Antriebselementes (4) aus einer Bohrung (22) bestehen, die sich in einem Körper (20) der Vorrichtung befindet, in der die Stange gleitend angeordnet ist.
5. Vorrichtung nach Anspruch 1 und 4, dadurch gekennzeichnet, daß die Mittel zur Verbindung mit dem Kolben eine mit dem Körper (20) fest verbundene Abdeckung (2) sowie ein Element (23) aufweisen, das mit der Stange fest verbunden ist.
6. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß die Halteelemente einen fest mit dem Körper der Vorrichtung verbundenen Support (10) sowie Vorsprünge (28) und eine aus dem Support hervorstehende Schraube (12) aufweisen.
7. Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß das Halteteil (8) lösbar in einer tragenden Führung (7) dergestalt angeordnet ist, daß es frei um eine Achse mit einem bestimmten Spiel in der Drehebene der Form (9) drehbar ist.
8. Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, daß der Support (10) in Richtung der Längsachse des Körpers (20) verstellbar positioniert ist, wobei die Position des Supports in bezug auf den Körper (20) die Länge des Weges des Antriebselementes (4) in bezug auf die Matritze (11) bestimmt.
EP19810400805 1980-05-28 1981-05-21 Vorrichtung zum Bearbeiten von Rohren Expired EP0041432B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8011833A FR2483271A1 (fr) 1980-05-28 1980-05-28 Appareil de faconnage de tubes
FR8011833 1980-05-28

Publications (2)

Publication Number Publication Date
EP0041432A1 EP0041432A1 (de) 1981-12-09
EP0041432B1 true EP0041432B1 (de) 1983-12-14

Family

ID=9242421

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19810400805 Expired EP0041432B1 (de) 1980-05-28 1981-05-21 Vorrichtung zum Bearbeiten von Rohren

Country Status (4)

Country Link
EP (1) EP0041432B1 (de)
DE (1) DE3161627D1 (de)
ES (1) ES502899A0 (de)
FR (1) FR2483271A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2574685B1 (fr) * 1984-12-14 1988-10-14 Virax Sa Cintreuse portable a verin hydraulique rotatif a vis reversible pour cintrage par enroulement
IT9047713A1 (it) * 1990-03-02 1991-09-03 Cml Costr Mecc Liri Srl Macchina curvatubi provvista di testa di piegatura a sbalzo, con utens ile multi-funzione, e programmabile mediante complesso computerizzato .
CH682306A5 (de) * 1990-07-27 1993-08-31 Alex Lipp
IT1252748B (it) * 1991-10-09 1995-06-28 Cbc Spa Macchina curvatrice per tubi con meccanismo ausiliario per l' esecuzione di operazioni ausiliarie.
FR2712215B1 (fr) * 1993-11-08 1996-12-20 Virax Sa Machine multi-fonctions dotée d'un étau perfectionné et d'une commande électronique contrôlant le cintrage et le façonnage des extrémités de tubes.
FR2891479B1 (fr) * 2005-09-30 2009-02-20 Virax Sa Outil destine au travail de tubes.
CN103212989B (zh) * 2013-04-19 2015-04-15 资阳晨风电气有限公司 一种用于管路加工的多功能工具
CN103978073A (zh) * 2014-05-23 2014-08-13 浙江国华家具有限公司 快速制作休闲椅椅腿的折弯机
CN103990727B (zh) * 2014-05-23 2015-11-18 奥美森智能装备股份有限公司 一种胀杆装置
CN108672517A (zh) * 2018-07-18 2018-10-19 中山精达特克机械有限公司 一种管件组合加工设备
CN109365659B (zh) * 2018-11-30 2020-04-17 四川雪源车用空调科技有限公司 一种空调制冷铜管的扩孔加工装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE477539A (de) * 1944-01-24
US2709473A (en) * 1947-08-18 1955-05-31 Doak Aircraft Co Inc Tube bending machine
FR1048435A (fr) * 1950-10-12 1953-12-22 Machine à cintrer les tubes, à commande mécanique ou hydraulique
CH384501A (de) * 1959-09-26 1964-11-15 Hydrodyn Ag Mehrzweckgerät
FR2045105A5 (en) * 1969-06-03 1971-02-26 Partouche Isaac Tube vice for forming pipe sockets
US3959998A (en) * 1972-08-30 1976-06-01 Ross Bernard D Pipe swaging apparatus
FR2382283A1 (fr) * 1977-03-03 1978-09-29 Mercier J Perfectionnements aux machines-outils, en particulier aux machines a cintrer

Also Published As

Publication number Publication date
EP0041432A1 (de) 1981-12-09
DE3161627D1 (en) 1984-01-19
FR2483271B1 (de) 1984-07-13
ES8204315A1 (es) 1982-04-01
FR2483271A1 (fr) 1981-12-04
ES502899A0 (es) 1982-04-01

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