ES2348864A1 - Support of three legs for overheader (Machine-translation by Google Translate, not legally binding) - Google Patents
Support of three legs for overheader (Machine-translation by Google Translate, not legally binding) Download PDFInfo
- Publication number
- ES2348864A1 ES2348864A1 ES200900457A ES200900457A ES2348864A1 ES 2348864 A1 ES2348864 A1 ES 2348864A1 ES 200900457 A ES200900457 A ES 200900457A ES 200900457 A ES200900457 A ES 200900457A ES 2348864 A1 ES2348864 A1 ES 2348864A1
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- support
- legs
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- machine
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- 238000005553 drilling Methods 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 235000013601 eggs Nutrition 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/0021—Stands, supports or guiding devices for positioning portable tools or for securing them to the work
- B25H1/0078—Guiding devices for hand tools
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
- Jigs For Machine Tools (AREA)
Abstract
Description
Soporte de tres patas para avellanador.Three-leg hob holder.
La invención revelada en la presente memoria pertenece al campo de la técnica de las herramientas para operaciones de avellanado de taladros.The invention disclosed herein it belongs to the field of tools technique for drilling countersink operations.
En industrias como la aeronáutica, es común el uso extensivo de remaches como medio de unión de las piezas que conforman la estructura primaria. Para el mantenimiento de la línea aerodinámica, es necesario avellanar los taladros para los remaches, de forma que las cabezas de dichos remaches queden ocultas y no entorpezcan el flujo del aire. Las operaciones de taladrado y avellanado son origen de una gran cantidad de defectos de calidad, que redundan en un alto coste de inspección y reparación. Los defectos más comunes se deben a las marcas que se provocan en la superficie de paneles por una mala evacuación de la viruta, o a la aparición de huecos no aceptables entre la cabeza del remache y el avellanado, normalmente causados porque el avellanado no es coaxial con el taladro.In industries such as aeronautics, the extensive use of rivets as a means of joining the pieces that They make up the primary structure. For line maintenance aerodynamics, it is necessary to countersink the holes for the rivets, so that the heads of these rivets are hidden and not hinder the flow of air. Drilling operations and Countersunk are the origin of a lot of quality defects, which result in a high cost of inspection and repair. The most common defects are due to the marks that are caused in the panel surface due to bad chip evacuation, or to the appearance of unacceptable gaps between the head of the rivet and the countersunk, normally caused because countersinking is not coaxial with the drill.
Para conseguir avellanados coaxiales con los taladros es necesario un útil o dispositivo de soporte que mantenga la posición de la herramienta de taladrado perpendicular a la superficie exterior. Esto resulta complicado y muy dependiente de la habilidad del operario cuando las superficies son curvadas, ya que el apoyo de las herramientas es malo.To get coaxial countersunk with drills a tool or support device is needed to maintain the position of the drilling tool perpendicular to the outer surface. This is complicated and very dependent on the Operator ability when surfaces are curved, since Tool support is bad.
Son conocidas en el estado de la técnica, reguladores micrométricos de profundidad como los revelados en las patentes US2,402,353 y US3,028,774. En estas patentes, se utiliza una falda cilíndrica hueca para el apoyo de la herramienta sobre la superficie de trabajo. Dicha falda cuenta con dos aperturas diametralmente opuestas para facilitar la evacuación de la viruta y con una rosca interior para su unión al regulador de profundidad. El problema de estas herramientas es que el apoyo solo es bueno sobre superficies planas, por lo que no garantizan la coaxialidad del avellanado si dichas superficies están curvadas. Además el desalojo de la viruta no siempre es bueno, lo que provoca frecuentes marcas en la superficie.They are known in the state of the art, micrometric depth regulators such as those disclosed in the US2,402,353 and US3,028,774. In these patents, it is used a hollow cylindrical skirt for the support of the tool on the work surface. This skirt has two openings diametrically opposed to facilitate chip evacuation and with an internal thread for attachment to the depth regulator. He problem with these tools is that support is only good about flat surfaces, so they do not guarantee the coaxiality of the countersunk if these surfaces are curved. In addition the eviction Chip is not always good, which causes frequent marks on the surface.
No se conoce en el estado de la técnica ninguna herramienta que permita combinar un buen apoyo con una buena evacuación de la viruta, lo que sería beneficioso desde el punto de vista de la calidad del producto.None of the prior art is known. tool that allows combining good support with good chip evacuation, which would be beneficial from the point of View of product quality.
De acuerdo con la presente invención un dispositivo de apoyo para una herramienta de avellanado consiste en un cuerpo, normalmente cilíndrico, con un agujero con rosca interior para el alojamiento del casquillo que permite el movimiento de rotación del eje de la herramienta de avellanado. Dicho cuerpo dispone además de medios de unión a un regulador micrométrico de profundidad, que normalmente será mediante un conjunto de dientes mecanizados en una sección circular del exterior del cuerpo cilíndrico.According to the present invention a Support device for a countersink tool consists of a body, normally cylindrical, with a hole with internal thread for the housing of the bushing that allows the movement of rotation of the countersink tool shaft. Said body It also has connection means to a micrometric regulator of depth, which will usually be through a set of teeth machined in a circular section of the outside of the body cylindrical.
Dicho cuerpo se extiende en la dirección de su eje en forma de tres patas de apoyo distribuidas uniformemente. El uso de tres patas en lugar de un cilindro permite el apoyo en cualquier superficie por curvada que ésta sea, manteniendo la herramienta en la dirección localmente perpendicular a la superficie de trabajo y garantizando así la coaxialidad con el taladro y evitando la aparición de huecos entre el avellanado y la cabeza del remache.Said body extends in the direction of its Shaft in the form of three support legs evenly distributed. He use of three legs instead of a cylinder allows support in any surface, no matter how curved it is, maintaining the tool in the direction locally perpendicular to the surface working and thus guaranteeing coaxiality with the drill and avoiding the appearance of gaps between the countersink and the head of the rivet.
Dichas patas se extenderán de tal forma que permitan mantener unas aberturas entre ellas lo suficientemente amplias para el desalojo de la viruta del interior del dispositivo, evitando que dicha viruta impulsada por el eje de la herramienta provoque marcas en la superficie de trabajo de la pieza.These legs will extend in such a way that allow to maintain openings between them sufficiently wide for the eviction of the chip inside the device, preventing said chip driven by the tool axis cause marks on the work surface of the part.
Se consigue de esta forma de acuerdo con la presente invención un buen apoyo del dispositivo de avellanado sobre superficies de trabajo curvadas, un avellanado coaxial con el taladro, evitando huevos entre la cabeza del remache y el avellanado y una mejor evacuación de la viruta, evitando así la aparición de marcas en la superficie de la pieza.It is achieved in this way according to the present invention a good countersink device support on curved work surfaces, a coaxial countersink with the drill, avoiding eggs between the head of the rivet and countersunk and a better evacuation of the chip, thus avoiding the appearance of marks on the surface of the piece.
Figura 1: Muestra un dispositivo de apoyo de una herramienta de avellanado de acuerdo con el estado de la técnica ("prior art").Figure 1: Shows a support device of a countersink tool according to the state of the art ("prior art").
Figura 2: Muestra una vista isométrica de una realización de la presente invención.Figure 2: Shows an isometric view of a embodiment of the present invention.
Figura 3: Muestra una vista de sección de una realización de la presente invención.Figure 3: Shows a section view of a embodiment of the present invention.
De acuerdo con una realización preferida de la presente invención, un dispositivo de soporte para avellanador consiste en un cuerpo cilíndrico (1) recto mecanizado en acero u otro material suficientemente rígido y dimensionalmente estable. Dicho cuerpo cilíndrico (1) es hueco y dispone de una rosca interior (2), de forma que en su interior ajuste un casquillo cilíndrico de un regulador micrométrico de profundidad, en el que el eje de la herramienta de avellanado (4) pueda girar. Sobre la superficie exterior de dicho cuerpo cilíndrico un conjunto de dientes mecanizados (3) permiten su sujección en sentido radial con el regulador micrométrico de profundidad.According to a preferred embodiment of the present invention, a hob support device consists of a cylindrical body (1) straight machined in steel or another material sufficiently rigid and dimensionally stable. Said cylindrical body (1) is hollow and has an internal thread (2), so that inside it adjusts a cylindrical bushing of a micrometric depth regulator, in which the axis of the countersink tool (4) can rotate. Over the surface exterior of said cylindrical body a set of teeth machining (3) allow its clamping radially with the micrometric depth regulator.
En la dirección del eje de la herramienta (4), el dispositivo de soporte dispone de tres patas de apoyo (5) que permitan apoyar el dispositivo sobre superficies de trabajo curvadas. Dichas patas de apoyo (5) son rectas y tienen una sección y altura tales que permitan que las aberturas (6) para el desalojo de la viruta sean tan amplias como sea practicable.In the direction of the tool axis (4), The support device has three support legs (5) that allow to support the device on work surfaces curved Said support legs (5) are straight and have a section and height such that allow openings (6) for eviction of the chip be as wide as practicable.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES200900457A ES2348864B1 (en) | 2009-02-18 | 2009-02-18 | SUPPORT OF THREE LEGS FOR EVELLANADOR. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES200900457A ES2348864B1 (en) | 2009-02-18 | 2009-02-18 | SUPPORT OF THREE LEGS FOR EVELLANADOR. |
Publications (2)
Publication Number | Publication Date |
---|---|
ES2348864A1 true ES2348864A1 (en) | 2010-12-16 |
ES2348864B1 ES2348864B1 (en) | 2011-10-14 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES200900457A Expired - Fee Related ES2348864B1 (en) | 2009-02-18 | 2009-02-18 | SUPPORT OF THREE LEGS FOR EVELLANADOR. |
Country Status (1)
Country | Link |
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ES (1) | ES2348864B1 (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB560507A (en) * | 1943-01-14 | 1944-04-06 | John Cockbain Briggs | Improvements in and relating to cutting tools |
US2360942A (en) * | 1943-01-23 | 1944-10-24 | Jack I Ellerstein | Drill guide |
US3907452A (en) * | 1973-10-01 | 1975-09-23 | Walter C Tripp | Tool guide |
US5882151A (en) * | 1997-05-27 | 1999-03-16 | Woodworkers Supply, Inc. | Depth stop for a boring tool |
-
2009
- 2009-02-18 ES ES200900457A patent/ES2348864B1/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB560507A (en) * | 1943-01-14 | 1944-04-06 | John Cockbain Briggs | Improvements in and relating to cutting tools |
US2360942A (en) * | 1943-01-23 | 1944-10-24 | Jack I Ellerstein | Drill guide |
US3907452A (en) * | 1973-10-01 | 1975-09-23 | Walter C Tripp | Tool guide |
US5882151A (en) * | 1997-05-27 | 1999-03-16 | Woodworkers Supply, Inc. | Depth stop for a boring tool |
Also Published As
Publication number | Publication date |
---|---|
ES2348864B1 (en) | 2011-10-14 |
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