EP0611611B1 - Electrical apparatus for bending tubes - Google Patents
Electrical apparatus for bending tubes Download PDFInfo
- Publication number
- EP0611611B1 EP0611611B1 EP94500032A EP94500032A EP0611611B1 EP 0611611 B1 EP0611611 B1 EP 0611611B1 EP 94500032 A EP94500032 A EP 94500032A EP 94500032 A EP94500032 A EP 94500032A EP 0611611 B1 EP0611611 B1 EP 0611611B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hood
- turning device
- electrical apparatus
- stop
- rotation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000005452 bending Methods 0.000 title claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 238000007493 shaping process Methods 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 230000003252 repetitive effect Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
Images
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 present invention relates to an electrical apparatus for bending tubes.
- an electrical device for bending the tubes using a transmission system consisting of a motor-reducer electric motor which actuates a tower element constituted by a shoe tree or shaped shoe, said device comprising an end-of-stroke cap coaxial with the tower element and fixed abutment means, arranged angularly in two final positions for making a stop when the tower element is rotated with a stop, and means making it possible to stop the rotation of the lathe element when it reaches its final position.
- the apparatus according to the invention is characterized in that it comprises stop means which can be fixed in determined angular positions on the end-of-stroke cap which is connected to the tower element to make a stop during a rotation of the lathe element with said stopper by limiting the stroke of the lathe element to determined angles, said stopper being fixed to a peg of a rod mounted to slide on the frame of the apparatus, said rod causing its movement the movement of the system work control of transmission.
- 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 machine 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 stop 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 locks with one end in the position desired by the user by conventional means, for example by a stud (15) 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 work control (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, 45o, 99o or 135o, on a repetitive modo, insofar as when one of the widgets makes stop with this same piton (12) one stops the walking automatically, as well as 'It is 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-travel cap (8 ′) has been used in FIGS. 5 and 6, the skirts (10 1 ), (10 2 ) of which are angularly arranged so that the end (11 1 ) of the first skirt (10 1 ), 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 (11 2 ) abuts with the bolt (12), which is the neutral point for resumption of the cycle as it has been ci -above.
- the stopping device could be a reverse gear.
- a disc (X) is provided coaxially provided with a radial tongue (l) whose radius (m 1 ) is of a length similar to that of the radius (m 2 ) of the cap (8 ').
- the limit switch cap (8 ') and the disc (X) must be positioned and fixed between them as the user wishes.
- a radial groove (r) in which can slide a screw (t) or any other element for clamping the disc (X) with the cap (8'), but it would possible to use some other conventional positioning-clamping solution.
- the end (11 2 ) of the skirt (10 2 ) will continue to exercise the same function as that described above and the function of the end (11 1 ) of the skirt (10 1 ) will be replaced by the head (c) left, anticlockwise according to FIG. 5, of the tongue (l).
- 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.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Resistance Heating (AREA)
Abstract
Description
La présente invention concerne un appareil électrique à couder les tubes.The present invention relates to an electrical apparatus for bending tubes.
Il est connu de FR-A-2 642 340, un appareil électrique pour couder les tubes utilisant un système de transmission consistant en un moteur électrique moto-reducteur qui actionne un élément de tour constitué par un embauchoir ou patin de forme, ledit appareil comprenant un capuchon fin de course coaxial à l'élément de tour et des moyens fixes de butée, disposés, angulairement dans deux positions finales pour faire butoir lors d'une rotation de l'element de tour avec une butée, et des moyens permettant d'arrêter la rotation de l'élément de tour lorsqu'il atteint sa position finale.It is known from FR-A-2 642 340 , an electrical device for bending the tubes using a transmission system consisting of a motor-reducer electric motor which actuates a tower element constituted by a shoe tree or shaped shoe, said device comprising an end-of-stroke cap coaxial with the tower element and fixed abutment means, arranged angularly in two final positions for making a stop when the tower element is rotated with a stop, and means making it possible to stop the rotation of the lathe element when it reaches its final position.
Dans ledit brevet FR-A-2642340, par exemple, il est suggeré d'utiliser à ce but un embrayage à friction qui intervient lorsque la matrice atteint l'une de ses deux positions finales, c'est à dire, à 180º.In said patent FR-A-2642340 , for example, it is suggested to use for this purpose a friction clutch which intervenes when the matrix reaches one of its two final positions, that is to say, at 180º.
S'il on veut arrêter la rotation dans une quelconque autre position 30º, 45º, 60º ou 90º on doit actuer manuellement ce que produit inexactitudes dans l'angle de coudage entre les tubes qui doivent avoir le même angle de coudage et un travail attentif et additionnel de l'ouvrier.If you want to stop the rotation in any other position 30º, 45º, 60º or 90º you must manually activate what produces inaccuracies in the bending angle between the tubes which must have the same bending angle and careful work and additional of the worker.
Le problème à resoudre est de réaliser un appareil qui permet d'arreter la rotation
- dans des angles de coudage exacts, entre les deux positions finales,
- d'une manière repetitive et
- automatique, ladite rotation pouvant
- être changée si l'ouvrier le veut.
- in exact bending angles, between the two end positions,
- repetitively and
- automatic, said rotation being able to
- be changed if the worker wants.
L'appareil selon l'invention est caractérisé en ce qu'il comporte des moyens de butée fixables dans des positions angulaires déterminées sur le capuchon de fin de course qui est relié à l'élément de tour pour faire butoir lors d'une rotation de l'élément de tour avec ladite butée en limitant la course de l'élément de tour à des angles déterminés, ladite butée étant fixée à un piton d'une tige montée à glissement sur l'armature de l'appareil, ladite tige provoquant par son mouvement le déplacement de la commande de travail du système de transmission.The apparatus according to the invention is characterized in that it comprises stop means which can be fixed in determined angular positions on the end-of-stroke cap which is connected to the tower element to make a stop during a rotation of the lathe element with said stopper by limiting the stroke of the lathe element to determined angles, said stopper being fixed to a peg of a rod mounted to slide on the frame of the apparatus, said rod causing its movement the movement of the system work control of transmission.
En vue d'en faire mieux comprendre l'objet, on représente sur les figures une forme de réalisation pratique de l'invention, susceptible de subir des changements accessoires sans sortir du cadre de l'invention telle que revendiquée.In order to better understand the object, there is shown in the figures a practical embodiment of the invention, capable of undergoing accessory changes without departing from the scope of the invention as claimed.
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 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 machine 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 stop 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 locks with one end in the position desired by the user by conventional means, for example by a stud (15) 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 work control (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, 45º, 99º ou 135º, 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, 45º, 99º or 135º, on a repetitive modo, insofar as when one of the widgets makes stop with this same piton (12) one stops the walking automatically, as well as 'It is 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 (111) 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 ci-dessus.Another embodiment of the end-of-travel cap (8 ′) has been used in FIGS. 5 and 6, the skirts (10 1 ), (10 2 ) of which are angularly arranged so that the end (11 1 ) of the first skirt (10 1 ), 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 (11 2 ) abuts with the bolt (12), which is the neutral point for resumption of the cycle as it has been ci -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 (l) 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) is provided coaxially provided with a radial tongue (l) whose radius (m 1 ) is of a length similar to that of the radius (m 2 ) of the 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 (figure 6), we practiced on the end cap (8 ') a radial groove (r) in which can slide a screw (t) or any other element for clamping the disc (X) with the cap (8'), but it would 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 tete (c) gauche, dans le sens contraire des aiguilles d'une montre selon la figure 5, de la languette (l).In this arrangement, the end (11 2 ) of the skirt (10 2 ) will continue to exercise the same function as that described above and the function of the end (11 1 ) of the skirt (10 1 ) will be replaced by the head (c) left, anticlockwise according to FIG. 5, of the tongue (l).
Sachant que la languette (l) 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 (l) 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 égalemente 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 (4)
- An electrical apparatus for bending pipes using a transmission system consisting of an electric gear motor which powers a turning device (5) constituted by a shaping tree or patten, the said apparatus comprising a limiter hood (8; 8') mounted coaxially with the turning device (5) and carrying fixed means of stopping (10, 11, 11', 101, 102, 111, 112) arranged angularly in two ending positions in order to form a stop to the rotation of the turning device (5) by a check, and means of allowing the rotation of the turning device (5) to be stopped when it reaches its final position, characterized in that it carries means of stopping (25; X) which can be fixed in specific angular positions on the run limit hood (8; 8') which is connected to the turning device (5) in order to form a stop to the rotation of the turning device (5), with the said check limiting the run of the turning device (5) to specific set angles, the said check being fixed to a peg (12) on a rod (13) mounted to slide on the framework of the apparatus, the said rod (13) provoking by its movement a shifting of the transmission system control lever (17).
- An electrical apparatus in accordance with claim 1 characterized in that the said fixable means of stopping are represented by a disc (X) with a radial spline (l) of which the radius (m1) is similar to the radius (m2) of the hood (8'), the disc (X) being coaxial with and able to be set on the hood in an angular position (8').
- An electrical apparatus according to claim 2 characterized in that the hood (8') has a groove (r) in which a screw (t) for tightening the disc (X) to the hood (8') can slide.
- An electrical apparatus according to claim 1 characterized in that the fixable means of stopping are constituted by stop pegs (25) which can be fixed to the run limit hood (8) and are detachable.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES9300464U ES1023623Y (en) | 1993-02-19 | 1993-02-19 | ELECTRIC TUBE CURVING DEVICE. |
| ES9300464U | 1993-02-19 | ||
| ES9300960U ES1024450Y (en) | 1993-04-07 | 1993-04-07 | PERFECTED ELECTRIC TUBE BENDER. |
| ES9300960U | 1993-04-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0611611A1 EP0611611A1 (en) | 1994-08-24 |
| EP0611611B1 true EP0611611B1 (en) | 1997-12-29 |
Family
ID=26154699
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)
| Country | Link |
|---|---|
| EP (1) | EP0611611B1 (en) |
| AT (1) | ATE161445T1 (en) |
| DE (1) | DE69407444T2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES1034798Y (en) * | 1996-07-31 | 1997-07-01 | Super Ego Tools | PERFECTED DEVICE FOR FIXING THE BENDING ANGLE IN TUBE DEVICES. |
| EP3723923B1 (en) * | 2017-12-11 | 2024-08-14 | CML International S.p.A. | Hydraulically operated rotary pipe bending machine |
| WO2020097007A1 (en) | 2018-11-09 | 2020-05-14 | Todd Brochman | Tubing bender |
| US11590548B2 (en) | 2019-09-11 | 2023-02-28 | Ecm Industries, Llc | Powered bender |
| USD926003S1 (en) | 2020-05-15 | 2021-07-27 | Brochman Innovations, Llc | Tubing bender |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4843858A (en) * | 1987-07-16 | 1989-07-04 | Crawford Fitting Company | Tube bending apparatus |
| IT1219965B (en) * | 1988-06-17 | 1990-05-24 | C L M Costruzioni Meccaniche L | PORTABLE HOSE BENDING MACHINE WITH MANUAL CONTROL PASSIBLE TO THREE DIFFERENT SPEEDS |
| IT1224512B (en) * | 1988-07-19 | 1990-10-04 | Liri Costruzioni Mecc | PORTABLE THREE-SPEED MINI-BENDING MACHINE WITH POSSIBLE MOTORIZED OR MANUAL CONTROL AND AUTOMATIC COUPLING / DISCONNECTION DEVICE |
| DE3903041C5 (en) * | 1989-02-02 | 2007-01-04 | REMS-WERK Christian Föll und Söhne GmbH & Co. | Hand bending device for pipes, rods and the like. |
| DE9304778U1 (en) * | 1993-03-29 | 1993-07-22 | Super-Ego Tools, S.A., Abadiano, Vizcaya | Electric pipe bending device |
-
1994
- 1994-02-18 AT AT94500032T patent/ATE161445T1/en not_active IP Right Cessation
- 1994-02-18 DE DE69407444T patent/DE69407444T2/en not_active Expired - Lifetime
- 1994-02-18 EP EP94500032A patent/EP0611611B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| ATE161445T1 (en) | 1998-01-15 |
| DE69407444T2 (en) | 1998-08-13 |
| DE69407444D1 (en) | 1998-02-05 |
| EP0611611A1 (en) | 1994-08-24 |
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