ES2401619A1 - Device for machining notches in headrest tubes - Google Patents
Device for machining notches in headrest tubes Download PDFInfo
- Publication number
- ES2401619A1 ES2401619A1 ES201131453A ES201131453A ES2401619A1 ES 2401619 A1 ES2401619 A1 ES 2401619A1 ES 201131453 A ES201131453 A ES 201131453A ES 201131453 A ES201131453 A ES 201131453A ES 2401619 A1 ES2401619 A1 ES 2401619A1
- Authority
- ES
- Spain
- Prior art keywords
- tube
- roller holder
- roller
- holder
- clamping die
- 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
Links
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
- B21D17/00—Forming single grooves in sheet metal or tubular or hollow articles
- B21D17/02—Forming single grooves in sheet metal or tubular or hollow articles by pressing
-
- 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
- B21D17/00—Forming single grooves in sheet metal or tubular or hollow articles
- B21D17/04—Forming single grooves in sheet metal or tubular or hollow articles by rolling
-
- 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
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
- Automatic Assembly (AREA)
- Jigs For Machine Tools (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
Description
OBJETO DE LA INVENCIÓN OBJECT OF THE INVENTION
La presente invención se refiere a un dispositivo para el mecanizado de entallas, tanto de regulación como de retención, en un tubo que forma parte del armazón del reposacabezas de un vehículo. Es decir, el ámbito de la presente invención lo constituyen los medios de mecanizado para la realización de entallas, muescas y similares en tubos o estructuras metálicas. The present invention relates to a device for machining notches, both regulation and retention, in a tube that is part of the headrest frame of a vehicle. That is, the scope of the present invention is the machining means for making notches, notches and the like in metal pipes or structures.
En los reposacabezas de los vehículos, sobre al menos uno de los vástagos verticales que emerge del propio reposacabezas se realizan unas entallas con el objetivo de asegurar la posición de éste, y además de evitar la completa extracción del reposacabezas. In the headrests of the vehicles, on at least one of the vertical stems that emerges from the headrest itself, notches are made in order to ensure its position, and in addition to avoiding the complete removal of the headrest.
Hasta el momento, para la realización de la mecanización de las entallas de retención y entallas de regulación sobre el tubo del reposacabezas se vienen utilizando medios de fresado, es decir, mediante arranque de material, lo que provoca fisuras y perforaciones en la zona de mecanizado, debilidad de la estructura del tubo y necesidad de realizar un posterior pulido para la eliminación de las rebabas típicas del proceso de fresado. So far, for the mechanization of the retention notches and adjustment notches on the headrest tube, milling means have been used, that is, by means of material removal, which causes cracks and perforations in the machining area , weakness of the tube structure and the need for subsequent polishing to eliminate burrs typical of the milling process.
DESCRIPCIÓN DE LA INVENCIÓN DESCRIPTION OF THE INVENTION
El dispositivo para el mecanizado de entallas en los tubos de reposacabezas, según la presente invención, está comprendido por una matriz de sujeción, que sujeta a un tubo para realizarle las entallas, posicionada en una prensa que ejerce presión sobre ella en dirección vertical de tal forma que el tubo queda sujetado rígidamente dentro de la matriz de sujeción. The device for machining notches in the headrest tubes, according to the present invention, is comprised of a clamping die, which is attached to a tube for making the notches, positioned in a press that exerts pressure on it in the vertical direction of such so that the tube is held rigidly within the clamp matrix.
Además, el dispositivo posee un porta-rodillo, en donde gira libre al menos un rodillo de forma, que está unido, por medio de un brazo, a un mecanismo de desplazamiento vertical formado por un motor, una pieza excéntrica y una biela interconectados mecánicamente, permitiéndole movimientos de ascenso y descenso. In addition, the device has a roller holder, where at least one shape roller rotates, which is connected, by means of an arm, to a vertical displacement mechanism formed by a motor, an eccentric part and a connecting rod mechanically interconnected. , allowing movements of ascent and descent.
Por otro lado, se ha dispuesto un mecanismo de desplazamiento horizontal de la matriz de sujeción formado por un husillo acoplado al eje de un motor, que permite el avance, en sentido horizontal, de la matriz de sujeción hacia el porta-rodillo. On the other hand, a mechanism for horizontal displacement of the clamping die formed by a spindle coupled to the axis of a motor is arranged, which allows the clamping die to advance horizontally towards the roller holder.
La combinación de presiones ejercidas tanto sobre la matriz de sujeción que soporta al tubo como sobre el porta-rodillo, junto con los desplazamientos de ascenso-descenso del porta-rodillo y el movimiento horizontal del conjunto formado por la matriz de sujeción y la prensa, permiten la realización de las entallas, tanto de regulación como de retención, las cuales aparecen sobre la superficie del tubo con el avance progresivo de al menos un rodillo hacia dentro de dicho tubo hasta obtener la entalla definida. The combination of pressures exerted on both the holding matrix that supports the tube and on the roller carrier, together with the upward and downward movements of the roller holder and the horizontal movement of the assembly formed by the holding matrix and the press, they allow the realization of the notches, both of regulation and of retention, which appear on the surface of the tube with the progressive advance of at least one roller into said tube until obtaining the defined notch.
Como puede apreciarse, gracias al dispositivo anteriormente descrito, se evita el proceso de pulido de la superficie del tubo una vez mecanizado, al no generarse rebabas. Lo que conlleva a que la estructura del tubo no se debilite, al no producirse fisuras ni perforaciones en la zona del mecanizado, favoreciendo el posterior proceso de recubrimiento. As can be seen, thanks to the device described above, the process of polishing the surface of the tube once machined is avoided, as no burrs are generated. This means that the structure of the tube does not weaken, as there are no cracks or perforations in the machining area, favoring the subsequent coating process.
Se complementa la presente memoria descriptiva, con un juego de figuras, ilustrativas del ejemplo preferente y nunca limitativas de la invención. The present specification is complemented by a set of figures, illustrative of the preferred example and never limiting of the invention.
La figura 1 representa una perspectiva de un tubo de reposacabezas, con entallas de regulación y retención practicadas sobre él con el dispositivo propuesto. Figure 1 represents a perspective of a headrest tube, with adjustment and retention notches practiced on it with the proposed device.
La figura 2 representa una sección transversal del tubo de la figura 1 donde se ha practicado una entalla de regulación. Figure 2 represents a cross section of the tube of Figure 1 where a regulation notch has been made.
La figura 3 representa una sección transversal del tubo de la figura 1 donde se ha practicado una entalla de retención. Figure 3 represents a cross section of the tube of Figure 1 where a retention notch has been made.
La figura 4 representa una vista en alzado del dispositivo. Figure 4 represents an elevation view of the device.
La figura 5 representa una vista en planta del dispositivo. Figure 5 represents a plan view of the device.
La figura 6 representa un detalle del alzado mostrado en la figura 4. Figure 6 represents a detail of the elevation shown in Figure 4.
La figura 7 representa un detalle de la planta mostrada en la figura 5. Figure 7 represents a detail of the plant shown in Figure 5.
A la vista de lo anteriormente enunciado, y lo expuesto en las figura 1 a 3, la presente invención se refiere a un dispositivo para el mecanizado de entallas de regulación (2) y entallas de retención (3) en un tubo In view of the foregoing, and what is set forth in Figures 1 to 3, the present invention relates to a device for machining adjustment notches (2) and retention notches (3) in a tube
- (1)(one)
- que conforma un armazón para un reposacabezas de un vehículo. which forms a framework for a headrest of a vehicle.
Como se aprecia en las figuras 4 a 7, el dispositivo posee una matriz de sujeción (4), que sujeta el tubo (1) al cual se desea realizarle las entallas de retención (2) y regulación (3). La matriz de sujeción As can be seen in Figures 4 to 7, the device has a clamping matrix (4), which holds the tube (1) to which it is desired to make the retention (2) and adjustment (3) notches. Clamping die
- (4)(4)
- se encuentra posicionada en una prensa (6), por ejemplo una prensa hidráulica, que ejerce presión sobre ella en dirección vertical de tal forma que el tubo (1) queda sujetado rígidamente dentro de la matriz de sujeción (4). it is positioned in a press (6), for example a hydraulic press, which exerts pressure on it in a vertical direction such that the tube (1) is rigidly held within the clamping die (4).
A lo largo de esta descripción se utiliza dirección horizontal y se entiende como tal la normalmente utilizada de dirección paralela al suelo, coincidiendo a su vez, con la de la mesa o bancada (17) sobre la que se dispone el dispositivo. Por dirección vertical se considera la dirección perpendicular a la horizontal en sentido hacia el techo. Throughout this description, horizontal direction is used and the normally used direction parallel to the floor is understood as such, coinciding with that of the table or bench (17) on which the device is arranged. The vertical direction is considered perpendicular to the horizontal direction towards the ceiling.
Por otro lado, el dispositivo incluye un portarodillo (5), que se encuentra unido a un mecanismo de desplazamiento vertical formado por un motor (11), una pieza excéntrica (9) y una biela (7) interconectados mecánicamente, cuya transmisión de giro permite movimientos de ascenso y descenso de dicho porta-rodillo (5). On the other hand, the device includes a drum holder (5), which is connected to a vertical displacement mechanism formed by a motor (11), an eccentric part (9) and a connecting rod (7) mechanically interconnected, whose rotation transmission it allows movements of ascent and descent of said roller holder (5).
La pieza excéntrica (9) es un disco cilíndrico que tiene un eje de giro desplazado respecto a su centro al cual se une la biela (7) de manera articulada. Por otro lado, dicha pieza excéntrica (9) está conectada concéntricamente al eje del motor (11). The eccentric part (9) is a cylindrical disc that has an axis of rotation displaced with respect to its center to which the connecting rod (7) joins in an articulated manner. On the other hand, said eccentric part (9) is concentrically connected to the motor shaft (11).
El porta-rodillo (5) está unido rígidamente a un brazo (14), el cual a su vez mantiene una unión articulada con la biela (7). Igualmente, el porta-rodillo (5) está montado sobre una guía vertical (15), ubicada perpendicular al eje del motor (11). The roller holder (5) is rigidly attached to an arm (14), which in turn maintains an articulated joint with the connecting rod (7). Likewise, the roller holder (5) is mounted on a vertical guide (15), located perpendicular to the motor shaft (11).
Como puede apreciarse en la figura 5, y con más detalle en la figura 7, en el porta-rodillo (5) gira libre al menos un rodillo de forma (8), el cual ha sido realizado acorde a la geometría de la entalla a obtener. El rodillo de forma (8) es el encargado de realizar las entallas de regulación (2) o retención (3) en la superficie del tubo (1). As can be seen in Figure 5, and in more detail in Figure 7, at least one shape roller (8) rotates freely in the roller holder (5), which has been made according to the geometry of the notch a obtain. The form roller (8) is responsible for making the adjustment (2) or retention (3) notches on the surface of the tube (1).
En el caso de la matriz de sujeción (4), una vez cerrada, conforma en su cara frontal, es decir, la cara que enfrenta al porta-rodillos (5), una ranura (16) que permite dejar al descubierto la superficie del tubo (1) por donde se desea realizar la entalla (2,3). In the case of the holding matrix (4), once closed, it forms on its front face, that is, the face facing the roller holder (5), a groove (16) that allows the surface of the surface to be exposed. tube (1) where it is desired to make the notch (2,3).
A su vez, la matriz de sujeción (4), posee un mecanismo de desplazamiento horizontal, formado por un husillo (12) unido, con juego libre, a su cara posterior y que, a su vez, está acoplado al eje de un motor (10), por ejemplo un servo-motor. El mecanismo de desplazamiento horizontal permite el avance de la prensa (6), en la que se dispone la matriz de sujeción (4), hacia el porta-rodillo (5) sobre las guías (13) ubicadas paralelas al eje longitudinal del husillo (12). In turn, the clamping matrix (4), has a horizontal displacement mechanism, formed by a spindle (12) attached, with free play, to its rear face and which, in turn, is coupled to the axis of an engine (10), for example a servo motor. The horizontal movement mechanism allows the advance of the press (6), in which the clamping die (4) is arranged, towards the roller holder (5) on the guides (13) located parallel to the longitudinal axis of the spindle ( 12).
Este avance horizontal de la matriz de sujeción This horizontal advance of the clamping die
(4) hacia el porta-rodillo (5) es perpendicular al eje longitudinal del tubo (1), este último es, a su vez, paralelo al eje del rodillo de forma (8) del portarodillo (5). De esta manera, mientras ocurre dicho avance, así como, el ascenso y descenso del portarodillo (5) sobre la guía vertical (15), el rodillo de forma (8) del porta-rodillo (5) conforma la entalla (2,3) sobre la superficie del tubo (1). (4) towards the roller holder (5) is perpendicular to the longitudinal axis of the tube (1), the latter is, in turn, parallel to the axis of the shape roller (8) of the drum holder (5). In this way, while said advancement occurs, as well as the rise and fall of the drum holder (5) on the vertical guide (15), the shape roller (8) of the roller holder (5) forms the notch (2,3 ) on the surface of the tube (1).
A continuación, se procede a la explicación más detallada del funcionamiento de este dispositivo de mecanizado de entallas: Next, we proceed to the more detailed explanation of the operation of this notch machining device:
En primer lugar se introduce el tubo (1) en la matriz de sujeción (4). Mediante una prensa (6) de unos 2700 Kg en dirección vertical, se ejerce una fuerza sobre la matriz de sujeción (4) que sujeta el tubo (1) a mecanizar, evitando su movimiento durante el proceso. First, the tube (1) is introduced into the clamping die (4). By means of a press (6) of about 2700 Kg in a vertical direction, a force is exerted on the clamping matrix (4) that holds the tube (1) to be machined, preventing its movement during the process.
Seguidamente, se inicia el proceso de mecanizado. El porta-rodillo (5) con al menos un rodillo (8), girando éste en estado libre, inicia un proceso de ascenso y descenso, gracias a su mecanismo de desplazamiento vertical formado por el motor (11), la excéntrica Next, the machining process begins. The roller holder (5) with at least one roller (8), rotating it in free state, initiates an ascent and descent process, thanks to its vertical displacement mechanism formed by the motor (11), the eccentric
(9) y la biela (7) acoplado a su brazo (14), y un desplazamiento horizontal del conjunto formado por la matriz de sujeción (4) y la prensa (6) accionado por el husillo (12) que está acoplado al motor (10). De esta manera, se va copiando progresivamente la geometría del rodillo (8) sobre el tubo a mecanizar (1), hasta conseguir la profundidad requerida. (9) and the connecting rod (7) coupled to its arm (14), and a horizontal displacement of the assembly formed by the clamping die (4) and the press (6) actuated by the spindle (12) that is coupled to the motor (10) In this way, the geometry of the roller (8) is gradually copied onto the tube to be machined (1), until the required depth is achieved.
Una vez finalizado el proceso de mecanizado, existe un retorno del porta-rodillo (5) a su posición de origen y la prensa hidráulica (6), que sujeta el tubo (1), deja de actuar. De este modo la matriz de sujeción Once the machining process is finished, there is a return of the roller holder (5) to its original position and the hydraulic press (6), which holds the tube (1), stops working. In this way the clamping matrix
(4) queda abierta liberando el tubo (1) ya mecanizado, (4) remains open releasing the tube (1) already machined,
5 es decir con la entalla de regulación (2) o la entalla de retención (3) realizada. 5 that is to say with the adjustment notch (2) or the retention notch (3) made.
Finalmente, se realiza la correspondiente extracción del tubo (1) de la matriz de fijación (4), 10 completamente terminado. Finally, the corresponding extraction of the tube (1) from the fixation matrix (4), 10 completely finished, is performed.
Claims (14)
- --
- una matriz de sujeción (4) que sujeta a un tubo a clamping die (4) that attaches to a tube
- --
- una prensa (6) que ejerce presión en sentido vertical sobre la matriz de sujeción (4) de tal forma que el tubo (1) queda sujetado rígidamente dentro la matriz de sujeción (4), a press (6) that exerts pressure vertically on the clamping matrix (4) such that the tube (1) is rigidly held within the clamping matrix (4),
- --
- un porta-rodillo (5) en el que gira libre al menos un rodillo de forma (8), a roller holder (5) in which at least one shape roller (8) rotates freely,
- --
- un mecanismo de desplazamiento vertical del portarodillo (5), formado por un motor (11), una pieza excéntrica (9) y una biela (7) interconectados mecánicamente, que permite movimientos de ascenso y descenso de dicho porta-rodillo (5), a vertical displacement mechanism of the drum holder (5), formed by a motor (11), an eccentric part (9) and a connecting rod (7) mechanically interconnected, which allows movements of ascent and descent of said roller holder (5),
- --
- un mecanismo de desplazamiento horizontal de la matriz de sujeción (4), formado por un husillo a horizontal displacement mechanism of the clamping die (4), formed by a spindle
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES201131453A ES2401619B2 (en) | 2011-09-05 | 2011-09-05 | DEVICE FOR THE MACHINING OF ENTALLAS IN TUBOS DE REPOSACABEZAS |
BR112014006837A BR112014006837A2 (en) | 2011-09-05 | 2012-07-30 | device for machining grooves in headrest tubes |
EP12830639.6A EP2759353A4 (en) | 2011-09-05 | 2012-07-30 | Device for machining notches in headrest tubes |
US14/342,872 US20140223986A1 (en) | 2011-09-05 | 2012-07-30 | Device for machining notches in headrest tubes |
RU2014112767/02A RU2014112767A (en) | 2011-09-05 | 2012-07-30 | DEVICE FOR MECHANICAL PROCESSING OF DEPTHS IN TUBES OF HEADREST OF CHAIRS |
PCT/ES2012/070592 WO2013034791A1 (en) | 2011-09-05 | 2012-07-30 | Device for machining notches in headrest tubes |
MX2014002644A MX349357B (en) | 2011-09-05 | 2012-07-30 | Device for machining notches in headrest tubes. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES201131453A ES2401619B2 (en) | 2011-09-05 | 2011-09-05 | DEVICE FOR THE MACHINING OF ENTALLAS IN TUBOS DE REPOSACABEZAS |
Publications (2)
Publication Number | Publication Date |
---|---|
ES2401619A1 true ES2401619A1 (en) | 2013-04-23 |
ES2401619B2 ES2401619B2 (en) | 2014-10-13 |
Family
ID=47831578
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES201131453A Expired - Fee Related ES2401619B2 (en) | 2011-09-05 | 2011-09-05 | DEVICE FOR THE MACHINING OF ENTALLAS IN TUBOS DE REPOSACABEZAS |
Country Status (7)
Country | Link |
---|---|
US (1) | US20140223986A1 (en) |
EP (1) | EP2759353A4 (en) |
BR (1) | BR112014006837A2 (en) |
ES (1) | ES2401619B2 (en) |
MX (1) | MX349357B (en) |
RU (1) | RU2014112767A (en) |
WO (1) | WO2013034791A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105436298B (en) * | 2015-11-27 | 2017-08-25 | 如皋市华阳铝制品有限公司 | Aluminum pipe marking press |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5857369A (en) * | 1996-12-04 | 1999-01-12 | Fang; Jui-Hwa | Method for fabricating light weight pipe connectors |
JP2002172429A (en) * | 2000-12-01 | 2002-06-18 | Nippon Spindle Mfg Co Ltd | Method and apparatus for forming cylindrically shaped material to be processed |
JP4003056B2 (en) * | 2001-10-09 | 2007-11-07 | トヨタ自動車株式会社 | Spinning molding method and spinning molding apparatus |
FR2832943B1 (en) * | 2001-12-04 | 2004-03-12 | Ressorts Lefevere | PROCESS, DEVICE FOR NOTCHING TUBES AND TUBE OBTAINED BY IMPLEMENTING THE PROCESS |
JP3464666B2 (en) * | 2002-04-12 | 2003-11-10 | 松本工業株式会社 | Pipe material dent processing method and apparatus |
US20050210947A1 (en) * | 2003-10-14 | 2005-09-29 | Yutaka Nagasono | Method and system for forming a recess in a tubular workpiece |
JP4751976B2 (en) * | 2004-03-01 | 2011-08-17 | 総和産業株式会社 | Groove processing equipment for metal pipe members |
JP4496102B2 (en) * | 2005-02-08 | 2010-07-07 | 市川鐵工株式会社 | Notch forming device for headrest stay |
KR100768389B1 (en) * | 2007-03-14 | 2007-10-18 | 최순봉 | Apparatus for working the groove of headrest stay and method thereof |
JP5094192B2 (en) * | 2007-04-16 | 2012-12-12 | 株式会社富士精機 | Headlet stay press processing method and press processing apparatus |
US8245555B2 (en) * | 2008-03-21 | 2012-08-21 | Innotec Corporation | Headrest frame and method |
-
2011
- 2011-09-05 ES ES201131453A patent/ES2401619B2/en not_active Expired - Fee Related
-
2012
- 2012-07-30 BR BR112014006837A patent/BR112014006837A2/en not_active Application Discontinuation
- 2012-07-30 RU RU2014112767/02A patent/RU2014112767A/en unknown
- 2012-07-30 US US14/342,872 patent/US20140223986A1/en not_active Abandoned
- 2012-07-30 MX MX2014002644A patent/MX349357B/en active IP Right Grant
- 2012-07-30 EP EP12830639.6A patent/EP2759353A4/en not_active Withdrawn
- 2012-07-30 WO PCT/ES2012/070592 patent/WO2013034791A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
RU2014112767A (en) | 2015-10-20 |
EP2759353A4 (en) | 2015-07-15 |
EP2759353A1 (en) | 2014-07-30 |
ES2401619B2 (en) | 2014-10-13 |
US20140223986A1 (en) | 2014-08-14 |
MX2014002644A (en) | 2015-11-06 |
MX349357B (en) | 2017-07-07 |
WO2013034791A1 (en) | 2013-03-14 |
BR112014006837A2 (en) | 2017-06-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC2A | Transfer of patent |
Owner name: TEKNIA MANUFACTURING GROUP S.L. Effective date: 20120912 |
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