EP3878599A1 - Procédé de fabrication d'une interface pivotante et interface pivotante - Google Patents

Procédé de fabrication d'une interface pivotante et interface pivotante Download PDF

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Publication number
EP3878599A1
EP3878599A1 EP20161703.2A EP20161703A EP3878599A1 EP 3878599 A1 EP3878599 A1 EP 3878599A1 EP 20161703 A EP20161703 A EP 20161703A EP 3878599 A1 EP3878599 A1 EP 3878599A1
Authority
EP
European Patent Office
Prior art keywords
bracket
interface
base plate
receptacle
guide rail
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.)
Withdrawn
Application number
EP20161703.2A
Other languages
German (de)
English (en)
Inventor
Friedemann Möller
John Van Taack-Trakranen
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.)
Hilti AG
Original Assignee
Hilti AG
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 Hilti AG filed Critical Hilti AG
Priority to EP20161703.2A priority Critical patent/EP3878599A1/fr
Publication of EP3878599A1 publication Critical patent/EP3878599A1/fr
Withdrawn legal-status Critical Current

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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
    • B25H1/0057—Devices for securing hand tools to the work
    • B25H1/0064—Stands attached to the workpiece

Definitions

  • the present invention relates to a method for producing a pivotable interface between a base plate and a guide rail of a drill stand, the interface comprising a bracket and a base plate.
  • the manufacturing method is characterized in that the block is designed in several parts and comprises at least one receptacle and a clamping bracket and wherein the base plate is produced by an original molding process and at least part of a block geometry is obtained from the base plate original shape.
  • the invention relates to a pivotable interface between a base plate and a guide rail of a drill stand, the interface comprising a bracket and a base plate.
  • the interface is characterized in that the bracket is constructed in several parts and comprises at least one receptacle and a clamping bracket, the guide rail of the drill stand being pivotably connectable to the bracket and / or the base plate of the interface via an axis.
  • tool devices which, because of their high weight, are guided by a drill stand during their operation. This applies, for example, to core drilling machines with which essentially cylindrical drill cores are carved out of walls or masonry.
  • many other types of work with heavy equipment are conceivable, in which the user of the tool device can benefit if the work is carried out in a column-guided manner.
  • Drill stands usually include a guide rail that is connected to a stand.
  • a stand can comprise a steel axis that is connected to the guide rail, as well as a bracket that can also be made of steel.
  • the axle is stored in this bracket.
  • Most of the support devices or bearing points known from the prior art consist of a single component which is slotted in the direction of the axle mount. With the help of this gap or slot, the axis can be clamped in the bracket at the desired inclination of the guide column.
  • the main disadvantages of these conventional feet are the weight and the manufacturing costs of the trestle.
  • the manufacturing costs are determined in particular by the high machining outlay: on the one hand, a large volume of the semi-finished product has to be machined, on the other hand, the production of the slot is very complex.
  • the object on which the present invention is based is to overcome the disadvantages of the prior art described above and to provide a manufacturing method for a pivotable interface with which both the manufacturing costs and the weight of the interface produced can be reduced considerably.
  • a method for producing a pivotable interface between a base plate and a guide rail of a drill stand comprising a bracket and a base plate.
  • the manufacturing method is characterized in that the block is designed in several parts and comprises at least one receptacle and a clamping bracket and wherein the base plate is produced by a primary molding process and at least part of a geometry of the bracket is obtained from a primary shape of the base plate.
  • the block is designed in several parts and, in the simplest case, comprises a receptacle and a clamping bracket.
  • the invention relates in particular to an interface between the base plate and the guide rail of a drill stand, with which the inclination of the guide rail can be adjusted relative to the base plate.
  • the possibility of inclination adjustment is preferably also referred to as the pivotability of the stand foot in the context of the invention.
  • the interface can preferably also be referred to as a swivel foot or a swiveling stand.
  • the proposed manufacturing method represents an improvement of manufacturing methods of conventional interfaces with a base plate and a guide column.
  • the invention can reduce manufacturing costs and weight the interface can be significantly reduced.
  • the advantage is exploited that a part of the bracket geometry can be obtained from an originally formed base plate and the machining effort can thus be drastically reduced.
  • the primary shaping can preferably be realized by a light metal die-casting process.
  • the bracket is designed in several parts means, in the context of the invention, that the bracket has several components and, in particular, is not formed from one piece. In particular, the block is not designed monolithically. Instead, it is provided according to the invention that the bracket comprises at least one receptacle and a clamping bracket. These components of the bracket of the pivotable interface can interact with one another in such a way that they form a receiving space or a receiving volume in which an axle can be stored.
  • the axis preferably represents the link between the interface and the guide rail of the drill stand. The upper end of the axis protrudes into the guide rail of the drill stand, which is preferably hollow on the inside, so that a connection is formed between the guide rail and the axis.
  • the axis comprises a hollow cylinder, the virtual central axis of which is essentially perpendicular to a virtual axis running centrally through the guide rail.
  • the hollow cylinder which preferably forms the lower area of the axle, can be enclosed by the clamping bracket and the receptacle, which are part of the bracket.
  • the pivotability of the axis within the interface is advantageously achieved.
  • the interface preferably forms a swivel foot which gives the drill stand a secure stand.
  • the drilling work to be carried out can be carried out with the tool device in a particularly safe and stable manner.
  • the receptacle and the clamping bracket are preferably designed to be pivotable with respect to one another.
  • the clamping bracket can be fastened to the receptacle in the closed state with fastening means.
  • fastening means For example, screws can be used as fastening means.
  • the closed state is preferably characterized in that the volume or the space for receiving the axis of the guide rail is formed in this closed state.
  • the base plate is produced by an original molding process.
  • Semi-finished products are used to give the base plate the desired shape.
  • these semi-finished products are preferably also referred to as “original form”.
  • the semi-finished products that are used to produce the base plate are preferably also referred to as the base plate original form in the context of the invention.
  • the semi-finished products that are used in the manufacture of the base plate can advantageously be used as a starting point for the manufacture or shaping of the multi-part bracket.
  • the semi-finished products are preferably very similar to the later desired final contour of the bracket or the base plate, so that the machining effort for producing the bracket can advantageously be considerably reduced with the proposed manufacturing method.
  • the block is preferably set up to form a bearing for the axis of the drill stand. In other words, the axle can be stored in the bracket.
  • the block is therefore preferably also referred to as a bearing block.
  • the base plate comprises a light metal die-cast material or is produced using a light metal die-casting process.
  • at least one component of the bracket comprises light metal or can be made of light metal.
  • an insert plate can be inserted into the receptacle of the bracket. This is especially true when the base plate comprises a light metal die-cast material. As a result, a contact surface between the base plate and the axle can advantageously be better protected from wear.
  • the receptacle of the bracket comprises a section for receiving the axle, an insert plate being insertable into this receiving section. This is especially true when a component of the bracket comprises light metal.
  • the metal insert can preferably comprise steel or be made of steel.
  • the invention in a second aspect, relates to a pivotable interface between a base plate and a guide rail of a drill stand, the interface comprising a bracket and a base plate.
  • the interface is characterized in that the bracket is constructed in several parts and comprises at least one receptacle and a clamping bracket, the guide rail being pivotably connectable to the bracket and / or the base plate of the interface via an axis.
  • the terms, definitions and technical advantages introduced for the manufacturing process preferably apply analogously to the proposed bracket.
  • the following advantages are associated with the invention: On the one hand, by dividing the bracket into several components, the machining effort in the manufacture of the bracket or its components can be significantly reduced. This advantage is achieved, in particular, in that the base plate of the pivotable interface can be produced by an original molding process and at least part of a bracket geometry is obtained from the base plate original shape. On the other hand, the slot on the bracket facing the axle receptacle no longer needs to be machined, but it is advantageously obtained from the contour of the components.
  • the division into several components also opens up the possibility of using different materials for the individual components and thereby using the weight advantages of light metal in a targeted manner.
  • the advantages of light metal die-casting processes can also be used, so that, in addition to the lower weight, there are also advantages in terms of machining, in that, for example, the receptacle can be formed close to the final contour or even completely finished in the tool.
  • a sheet steel is advantageously inserted in order to protect the contact surface with an axle from wear.
  • This contact surface is advantageously formed by a receiving section, which is preferably part of the receiving of the bracket of the interface.
  • the guide rail can be pivotably connected to the bracket and / or the base plate of the interface via an axis.
  • the pivotability can in particular in the Fig. 1 and 2 be understood.
  • Figure 1 shows a preferred embodiment of a drill stand which has a guide rail (3) in its lower area.
  • the guide rail (3) is connected to a base plate (2) with the aid of an axle (8), the axle (8) being able to be stored in a bracket (4) or in a bearing point of the interface (1).
  • the bracket (4) comprises, in particular, a receptacle (5) and a clamping bracket (6) which, in a closed state, can be connected to one another with fastening means. In this closed state, the bracket (4) forms a volume or space for receiving the axis (8) of the guide rail (3).
  • the bracket (4) is preferably mounted in a base plate (2) which is also part of the interface (1).
  • Figure 2 shows a preferred embodiment of the pivotable interface (1).
  • the base plate (2) is in Figure 2 not shown.
  • Fig. 2 the interaction of the receptacle (5) and the clamping bracket (6), the receptacle (5) and the clamping bracket (6) forming the bracket (4) of the interface (1) with one another.
  • An insert plate (7) which is preferably made of steel, can be inserted into the receptacle (5).
  • This embodiment of the invention is particularly advantageous when individual components of the interface (1) are made of light metal.
  • the insert plate (7) can preferably be present between the receptacle (5) and the axis (8) when the axis (8) is in the receptacle volume that is defined by the receptacle (5) and the clamping bracket (6) in the closed state of the bracket (4) can be formed.
  • the axis (8) forms the transition to the guide rail (3) of the drill stand. Since the axis (8) can be pivotably mounted in the receptacle (5), the proposed interface (1) is preferably a pivotable interface (1), which is preferably also referred to as a “pivotable foot” or “pivotable stand” can.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
EP20161703.2A 2020-03-09 2020-03-09 Procédé de fabrication d'une interface pivotante et interface pivotante Withdrawn EP3878599A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20161703.2A EP3878599A1 (fr) 2020-03-09 2020-03-09 Procédé de fabrication d'une interface pivotante et interface pivotante

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20161703.2A EP3878599A1 (fr) 2020-03-09 2020-03-09 Procédé de fabrication d'une interface pivotante et interface pivotante

Publications (1)

Publication Number Publication Date
EP3878599A1 true EP3878599A1 (fr) 2021-09-15

Family

ID=69784102

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20161703.2A Withdrawn EP3878599A1 (fr) 2020-03-09 2020-03-09 Procédé de fabrication d'une interface pivotante et interface pivotante

Country Status (1)

Country Link
EP (1) EP3878599A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4947908A (en) * 1990-01-31 1990-08-14 Black & Decker, Inc. Method and tool for forming biscuit joints
DE9406622U1 (de) * 1994-04-20 1995-02-02 Gateway Werkzeug- und Maschinen Vertriebs GmbH, 46446 Emmerich Alu-Profil mit Führungsrollen zur Vorschubsführung von Kernbohrständer
EP1375081A2 (fr) * 2002-06-17 2004-01-02 HILTI Aktiengesellschaft Support de perçage pour une carottière transportable
DE202006005727U1 (de) * 2006-04-07 2007-08-09 Phoenix Handelsmarketing Gmbh & Co. Kg Mobile Ständerbohrmaschine
WO2008026975A1 (fr) * 2006-09-01 2008-03-06 Husqvarna Aktiebolag Support de foret pour dispositif de carottage

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4947908A (en) * 1990-01-31 1990-08-14 Black & Decker, Inc. Method and tool for forming biscuit joints
DE9406622U1 (de) * 1994-04-20 1995-02-02 Gateway Werkzeug- und Maschinen Vertriebs GmbH, 46446 Emmerich Alu-Profil mit Führungsrollen zur Vorschubsführung von Kernbohrständer
EP1375081A2 (fr) * 2002-06-17 2004-01-02 HILTI Aktiengesellschaft Support de perçage pour une carottière transportable
DE202006005727U1 (de) * 2006-04-07 2007-08-09 Phoenix Handelsmarketing Gmbh & Co. Kg Mobile Ständerbohrmaschine
WO2008026975A1 (fr) * 2006-09-01 2008-03-06 Husqvarna Aktiebolag Support de foret pour dispositif de carottage

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