EP0611611A1 - Electrical apparatus for bending tubes - Google Patents

Electrical apparatus for bending tubes Download PDF

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Publication number
EP0611611A1
EP0611611A1 EP94500032A EP94500032A EP0611611A1 EP 0611611 A1 EP0611611 A1 EP 0611611A1 EP 94500032 A EP94500032 A EP 94500032A EP 94500032 A EP94500032 A EP 94500032A EP 0611611 A1 EP0611611 A1 EP 0611611A1
Authority
EP
European Patent Office
Prior art keywords
bending
tubes
cap
transmission system
electric apparatus
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP94500032A
Other languages
German (de)
French (fr)
Other versions
EP0611611B1 (en
Inventor
Manuel Azkona Ollacarizqueta
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.)
Super Ego Tools SA
Original Assignee
Super Ego Tools SA
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
Priority claimed from ES9300464U external-priority patent/ES1023623Y/en
Priority claimed from ES9300960U external-priority patent/ES1024450Y/en
Application filed by Super Ego Tools SA filed Critical Super Ego Tools SA
Publication of EP0611611A1 publication Critical patent/EP0611611A1/en
Application granted granted Critical
Publication of EP0611611B1 publication Critical patent/EP0611611B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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

Definitions

  • the shoetree of the apparatus rotates, causing movement and curvature of the tube without it being planned, to date, to provide it with a device performing repetitive work , or to use any device that automatically stops the machine running.
  • This device is precisely what is the subject of this invention.
  • Figure 1 is a vertical projection of the bending machine of the invention, not equipped with the shoe tree or the shoe.
  • Figure 2 is a plan view of Figure 1.
  • Figure 3 is a plan view of the end cap.
  • Figure 4 is a view of section A: A of Figure 1.
  • Figure 5 is a partial vertical view of another practical embodiment of the inventive bending machine.
  • Figure 6 is a side view of Figure 5.
  • the handle (1) of the bending device has been placed in parallel with the longitudinal axis of the latter and above the axis of gravity in a horizontal position, so that it can be transported without risk of damage if the engine (2) is knocked against it, as this was likely to happen until then.
  • a transmission system consisting of a geared motor is used, which actuates the shoe / shoe tree, with a work control (7) forwards and backwards.
  • a limit switch cap (8) (fig. 3) arranged coaxially with the axis (9) of the device.
  • the end-of-travel cap (8) is provided with skirts (10) which are arranged angularly so that the end (11) of one of them serves as a stop for a peg (12) fixed to a rod (13) (figure 1) sliding.
  • the work control (7) ( Figure 4) is connected to a larget (14) which is locked by one end in the position desired by the user by conventional means, for example by a stud (15) to the using a spring (16), and unlocks when the other end drives it (17) by the movement of the rod (13) with which it rotates on its axis (20) giving rise to the turn of the control working (7), which allows to stop walking.
  • a series of orifices (18) angularly staggered at distances fixed in advance have been placed on the end-of-travel cap (8) in order to place stop flanges (25) therewith the bolt (12) for bending the tubes of a determined angle, for example, 45 °, 99 ° or 135 °, on a repetitive modo, insofar as when one of the widgets makes abutment with this same piton (12) one stops the walking automatically , as explained for the end (11) of the skirt (10).
  • the ends (11), (11 ') of the skirts (10) can act as safety stops in both directions of operation.
  • FIGS. 5 and 6 Another embodiment of the end-of-stroke cap (8 ') has been used in FIGS. 5 and 6, the skirts (101), (102) of which are angularly arranged so that the end (11) of the first skirt (101 ), when it abuts with a peg (12) fixed to the sliding rod (13), drives the latter by its movement by acting on a device for stopping walking.
  • the shoe tree in this position, returns to its initial position until the end (112) abuts with the bolt (12), which is the neutral point for resumption of the cycle as described above. -above.
  • the stopping device could be a reverse gear.
  • the limit switch cap (8 ') and the disc (X) must be positioned and fixed between them as the user wishes.
  • a radial groove (r) has been made on the end-of-travel cap (8 ′) in which a screw (t) or any other embedding-tightening element of the disc can slide ( X) with the cap (8 '), but it would be possible to use some other conventional positioning-clamping solution.
  • the head (c) relative to the stop (12) can form the desired angle at rest, or if you prefer, it will be possible to set the angle of curvature of the tube to be bent as desired.

Abstract

Electrical apparatus for bending tubes (pipes), of the type of those using a transmission system consisting of a reducing-gear electric motor (gear motor) actuating, as the rotation element, a shaped shoe (block) or last, being characterised in that it is coaxial with the revolution element over which has been placed an end-of-travel cap with stationary limit-stop means which are angularly arranged so as to form a stop mechanism, during its rotation, with a peg (pin) of a rod sliding on the rotor (armature) of the apparatus which drives, by means of its movement, the displacement of the working control member (7) of the transmission system. <IMAGE>

Description

Sur les cintreuses de tubes conventionnelles, l'embauchoir de l'appareil tourne en entraînant un mouvement et une courbure du tube sans qu'il ait été prévu, à ce jour, de le doter d'un dispositif effectuant un travail déterminé de manière répétitive, ni d'employer un dispositif quelconque d'arrêt automatique de marche de l'appareil. Ce dispositif est précisément ce qui fait l'objet de cette invention.On conventional tube benders, the shoetree of the apparatus rotates, causing movement and curvature of the tube without it being planned, to date, to provide it with a device performing repetitive work , or to use any device that automatically stops the machine running. This device is precisely what is the subject of this invention.

En vue d'en faire mieux comprendre l'objet, on représente de préférence sur les plans une forme de réalisation pratique, susceptible de subir des changements accessoires, lesquels n'en altèrent nullement le principe.In order to better understand the object, it is preferable to represent on the plans a practical embodiment, liable to undergo accessory changes, which in no way alter the principle.

La figure 1 est une projection en verticale de l'appareil à couder de l'invention, non équipé de l'embauchoir ni du patin.Figure 1 is a vertical projection of the bending machine of the invention, not equipped with the shoe tree or the shoe.

La figure 2 est une vue en plan de la figure 1.Figure 2 is a plan view of Figure 1.

La figure 3 est une vue en plan du capuchon fin de course.Figure 3 is a plan view of the end cap.

La figure 4 est une vue de la section A:A de la figure 1.Figure 4 is a view of section A: A of Figure 1.

La figure 5 est une vue partielle en verticale d'une autre réalisation pratique de l'appareil à couder de l'invention.Figure 5 is a partial vertical view of another practical embodiment of the inventive bending machine.

La figure 6 est une vue latérale de la figure 5.Figure 6 is a side view of Figure 5.

On a disposé l'anse (1) de l'appareil à couder en parallèle à l'axe longitudinal de celui-ci et au dessus de l'axe de gravité en position horizontale, afin de pouvoir le transporter sans risque d'endommager si l'on en cogne le moteur (2), comme cela risquait de se produire jusque là.The handle (1) of the bending device has been placed in parallel with the longitudinal axis of the latter and above the axis of gravity in a horizontal position, so that it can be transported without risk of damage if the engine (2) is knocked against it, as this was likely to happen until then.

On l'a également équipé de pieds d'appui (3) pour son positionnement vertical ainsi que de pieds d'appui (4) pour son positionnement horizontal.It was also fitted with support legs (3) for its vertical positioning as well as support legs (4) for its horizontal positioning.

On emploie conventionnellement, sur les machines électriques manuelles, un système de transmission consistant en un moto-réducteur, lequel actionne le patin/embauchoir, avec une commande de travail (7) d'avance-recul.Conventionally, on manual electric machines, a transmission system consisting of a geared motor is used, which actuates the shoe / shoe tree, with a work control (7) forwards and backwards.

Relié à l'élément qui tourne (patin-embauchoir) on dispose un capuchon fin de course (8) (fig. 3) disposé coaxialement par rapport à l'axe (9) de l'appareil.Connected to the rotating element (shoe-shoe) there is a limit switch cap (8) (fig. 3) arranged coaxially with the axis (9) of the device.

Le capuchon fin de course (8) est muni de jupes (10) lesquelles se trouvent disposées angulairement de sorte que l'extrémité (11) de l'une d'entre elles serve de butée à un piton (12) fixé à une tige (13) (figure 1) coulissante.The end-of-travel cap (8) is provided with skirts (10) which are arranged angularly so that the end (11) of one of them serves as a stop for a peg (12) fixed to a rod (13) (figure 1) sliding.

La commande de travail (7) (figure 4) se trouve reliée à un larget (14) qui se verrouille par un bout dans la position désirée par l'utilisateur par un moyen conventionnel, par exemple par un piton (15) à l'aide d'un ressort (16), et se déverrouille lorsque l'autre extrémité l'entraîne (17) par le mouvement de la tige (13) avec laquelle il tourne sur son axe (20) en donnant lieu au tour de la commande de travail (7), ce qui permet d'en arrêter la marche.The work control (7) (Figure 4) is connected to a larget (14) which is locked by one end in the position desired by the user by conventional means, for example by a stud (15) to the using a spring (16), and unlocks when the other end drives it (17) by the movement of the rod (13) with which it rotates on its axis (20) giving rise to the turn of the control working (7), which allows to stop walking.

On a disposé sur le capuchon fin de course (8) une série d'orifices (18) échelonnés angulairement à des distances fixées à l'avance afin d'y placer des largets de butée (25) avec le piton (12) pour couder les tubes d'un angle déterminé, par exemple, 45°, 99° ou 135°, sur un modo répétitif, dans la mesure où lorsque l'un des largets fait butée avec ce même piton (12) on en arrête la marche automatiquement, ainsi qu'il est expliqué pour l'extrémité (11) de la jupe (10).A series of orifices (18) angularly staggered at distances fixed in advance have been placed on the end-of-travel cap (8) in order to place stop flanges (25) therewith the bolt (12) for bending the tubes of a determined angle, for example, 45 °, 99 ° or 135 °, on a repetitive modo, insofar as when one of the widgets makes abutment with this same piton (12) one stops the walking automatically , as explained for the end (11) of the skirt (10).

Les extrémités (11), (11') des jupes (10) peuvent faire fonction de butées de sécurité dans les deux sens de fonctionnement.The ends (11), (11 ') of the skirts (10) can act as safety stops in both directions of operation.

On a employé sur les figures 5 et 6 une autre réalisation du capuchon de fin de course (8') dont les jupes (10₁), (10₂) sont disposées angulairement de sorte que l'extrémité (11) de la première jupe (10₁), lorsqu'elle fait butée avec un piton (12) fixe à la tige coulissante (13), entraîne celle-ci par son mouvement en agissant sur un dispositif d'arrêt de la marche. L'embauchoir, dans cette position, revient vers sa position initiale jusqu'à ce que l'extrémité (11₂) aille buter avec le piton (12), lequel est le point mort de reprise du cycle ainsi qu'il a été décrit ci-dessus.Another embodiment of the end-of-stroke cap (8 ') has been used in FIGS. 5 and 6, the skirts (10₁), (10₂) of which are angularly arranged so that the end (11) of the first skirt (10₁ ), when it abuts with a peg (12) fixed to the sliding rod (13), drives the latter by its movement by acting on a device for stopping walking. The shoe tree, in this position, returns to its initial position until the end (11₂) abuts with the bolt (12), which is the neutral point for resumption of the cycle as described above. -above.

La mise en marche ou son inversion s'effectue à l'aide de la commande (7).Switching on or reversing is carried out using the control (7).

Le dispositif d'arrêt pourrait être un inverseur de marche.The stopping device could be a reverse gear.

Au capuchon de fin de course (8') on a ajouté de manière coaxiale un disque (X) muni d'une languette (1) radiale dont le rayon (m₁) est d'une longueur similaire à celle du rayon (m₂) du capuchon (8').To the end-of-travel cap (8 '), a disc (X) with a radial tongue (1) whose radius (m₁) is similar in length to that of the radius (m₂) has been added coaxially. cap (8 ').

Le capuchon fin de course (8') et le disque (X) doivent se positionner et se fixer entre eux selon le bon gré de l'utilisateur. Dans ce cas concret (figure 6), on a pratiqué sur le capuchon de fin de course (8') une rainure (r) radiale dans laquelle peut glisser une vis (t) ou tout autre élément d'encastrement-serrage du disque (X) avec le capuchon (8'), mais il serait possible d'employer quelque autre solution conventionnelle de positionnement-serrage.The limit switch cap (8 ') and the disc (X) must be positioned and fixed between them as the user wishes. In this concrete case (FIG. 6), a radial groove (r) has been made on the end-of-travel cap (8 ′) in which a screw (t) or any other embedding-tightening element of the disc can slide ( X) with the cap (8 '), but it would be possible to use some other conventional positioning-clamping solution.

Dans cette disposition, le bout (11₂) de la jupe (10₂) continuera à exercer la même fonction que celle décrite plus haut et la fonction de la extrémité (11₁) de la jupe (10₁) sera remplacée par la tête (c) gauche dans le sens contraire des aiguilles d'une montre selon la figure 5 de la languette (1).In this arrangement, the end (11₂) of the skirt (10₂) will continue to exercise the same function as that described above and the function of the end (11₁) of the skirt (10₁) will be replaced by the left head (c) anticlockwise according to Figure 5 of the tongue (1).

Sachant que la languette (1) peut se fixer dans n'importe quelle position angulaire à l'intérieur de la rainure (r), la tête (c) par rapport à la butée (12) pourra former l'angle souhaité au repos, ou si l'on préfère, il sera possible de fixer à volonté l'angle de courbure du tube à couder.Knowing that the tongue (1) can be fixed in any angular position inside the groove (r), the head (c) relative to the stop (12) can form the desired angle at rest, or if you prefer, it will be possible to set the angle of curvature of the tube to be bent as desired.

On peut également arriver à une disposition selon laquelle le capuchon de fin de course (8') et le disque (X) forment un sandwich portant des indications goniométriques sur sa surface extérieure.It is also possible to arrive at a provision according to which the end-of-travel cap (8 ′) and the disc (X) form a sandwich bearing goniometric indications on its outer surface.

Claims (6)

1.- Appareil électrique à couder les tubes, de la catégorie de ceux utilisant un système de transmission consistant en un moteur électrique moto-réducteur et qui actionnent comme élément de tour un embauchoir ou patin de forme, se caractérisant par le fait qu'il est coaxial à l'élément de tour. Il porte un capuchon fin de course avec des moyens fixes de butée, angulairement situés pour faire butoir lors du tour avec un piton de tige à glissement sur l'armature de l'apareil qui provoque par son mouvement le déplacement de la commande de travail (7) du système de transmission. 1.- Electric apparatus for bending tubes, of the category of those using a transmission system consisting of an electric motor gear motor and which actuate as a tower element a shoe tree or shaped shoe, characterized by the fact that it is coaxial with the tower element. It carries a end-of-travel cap with fixed stop means, angularly situated to make a stop during the turn with a sliding rod pin on the frame of the apparatus which causes by its movement the displacement of the work control ( 7) of the transmission system. 2.- Appareil électrique à couder les tubes, selon la revendication antérieure, se caractérisant par le fait que l'anse de transport a été disposée dans le prolonguement de la tête parallèle à l'axe longitudinal de l'appareil, dans un sens allant vers le moteur. 2. An electrical apparatus for bending the tubes according to the preceding claim, characterized in that the transport handle has been arranged in the extension of the head parallel to the longitudinal axis of the apparatus, in a direction going towards the engine. 3.- Appareil électrique à couder les tubes, selon la première revendication, se caractérisant par le fait que sur l'armature ont été disposées des pieds en vue de son positionnement horizontal et vertical. 3.- Electric apparatus for bending the tubes, according to the first claim, characterized in that on the frame were arranged feet for its horizontal and vertical positioning. 4.- Appareil électrique à couder les tubes, selon la première revendication, se caractérisant par le fait d'être coaxial au capuchon de fin de course et susceptible d'y fixer en position angulaire variable un disque à languette radiale dont le rayon (m₁) est de longueur similaire au rayon (m₂) du capuchon. 4.- Electric apparatus for bending the tubes, according to the first claim, characterized by the fact of being coaxial with the end-of-stroke cap and capable of fixing therein in variable angular position a disk with a radial tongue whose radius (m₁ ) is similar in length to the radius (m₂) of the cap. 5.- Appareil électrique à couder les tubes, selon la quatrième revendication, se caractérisant par le fait qu'il dispose de moyens mécaniques de serrage dans une position pré-déterminée, en fonction de l'angle à couder, entre le capuchon de fin de course et le disque à languette. 5.- Electric apparatus for bending tubes, according to the fourth claim, characterized in that it has mechanical clamping means in a predetermined position, depending on the angle to bend, between the end cap and the tab disc. 6.- Appareil électrique à couder les tubes, selon la première revendication, caractérisé par le fait qu'on l'a muni radialement de largets de butée amovibles sur le capuchon de fin de course. 6.- An electrical device for bending the tubes, according to the first claim, characterized in that it is provided radially with removable stopper grooves on the end-of-stroke cap.
EP94500032A 1993-02-19 1994-02-18 Electrical apparatus for bending tubes Expired - Lifetime EP0611611B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ES9300464U 1993-02-19
ES9300464U ES1023623Y (en) 1993-02-19 1993-02-19 ELECTRIC TUBE CURVING DEVICE.
ES9300960U ES1024450Y (en) 1993-04-07 1993-04-07 PERFECTED ELECTRIC TUBE BENDER.
ES9300960U 1993-04-07

Publications (2)

Publication Number Publication Date
EP0611611A1 true EP0611611A1 (en) 1994-08-24
EP0611611B1 EP0611611B1 (en) 1997-12-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP94500032A Expired - Lifetime EP0611611B1 (en) 1993-02-19 1994-02-18 Electrical apparatus for bending tubes

Country Status (3)

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EP (1) EP0611611B1 (en)
AT (1) ATE161445T1 (en)
DE (1) DE69407444T2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0822018A1 (en) * 1996-07-31 1998-02-04 Super-Ego Tools S.A. Device for controlling the bending angle on tube bending machines
US11484929B2 (en) * 2017-12-11 2022-11-01 Cml International S.P.A. Hydraulically operated rotary pipe bending machine
US11590548B2 (en) 2019-09-11 2023-02-28 Ecm Industries, Llc Powered bender

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020097007A1 (en) 2018-11-09 2020-05-14 Todd Brochman Tubing bender
USD926003S1 (en) 2020-05-15 2021-07-27 Brochman Innovations, Llc Tubing bender

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0299792A2 (en) * 1987-07-16 1989-01-18 Crawford Fitting Company Tube bending apparatus and method
EP0350457A2 (en) * 1988-06-17 1990-01-10 C.M.L. COSTRUZIONI MECCANICHE LIRI S.r.l. A portable manually-controlled three-speed pipe-bending machine
EP0352236A2 (en) * 1988-07-19 1990-01-24 C.M.L. COSTRUZIONI MECCANICHE LIRI S.r.l. Portable pipe-bending minimachine able to be manually - or motor-controlled and including an engaging/automatic disengaging device
FR2642340A1 (en) * 1989-02-02 1990-08-03 Foell Remswerk PORTABLE BENDING APPARATUS FOR TUBES, BARS AND MORE
DE9304778U1 (en) * 1993-03-29 1993-07-22 Super-Ego Tools, S.A., Abadiano, Vizcaya, Es

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0299792A2 (en) * 1987-07-16 1989-01-18 Crawford Fitting Company Tube bending apparatus and method
EP0350457A2 (en) * 1988-06-17 1990-01-10 C.M.L. COSTRUZIONI MECCANICHE LIRI S.r.l. A portable manually-controlled three-speed pipe-bending machine
EP0352236A2 (en) * 1988-07-19 1990-01-24 C.M.L. COSTRUZIONI MECCANICHE LIRI S.r.l. Portable pipe-bending minimachine able to be manually - or motor-controlled and including an engaging/automatic disengaging device
FR2642340A1 (en) * 1989-02-02 1990-08-03 Foell Remswerk PORTABLE BENDING APPARATUS FOR TUBES, BARS AND MORE
DE9304778U1 (en) * 1993-03-29 1993-07-22 Super-Ego Tools, S.A., Abadiano, Vizcaya, Es

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0822018A1 (en) * 1996-07-31 1998-02-04 Super-Ego Tools S.A. Device for controlling the bending angle on tube bending machines
US11484929B2 (en) * 2017-12-11 2022-11-01 Cml International S.P.A. Hydraulically operated rotary pipe bending machine
US11590548B2 (en) 2019-09-11 2023-02-28 Ecm Industries, Llc Powered bender

Also Published As

Publication number Publication date
DE69407444T2 (en) 1998-08-13
ATE161445T1 (en) 1998-01-15
EP0611611B1 (en) 1997-12-29
DE69407444D1 (en) 1998-02-05

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