EP2981401A1 - Dispositif d'avance - Google Patents

Dispositif d'avance

Info

Publication number
EP2981401A1
EP2981401A1 EP14714720.1A EP14714720A EP2981401A1 EP 2981401 A1 EP2981401 A1 EP 2981401A1 EP 14714720 A EP14714720 A EP 14714720A EP 2981401 A1 EP2981401 A1 EP 2981401A1
Authority
EP
European Patent Office
Prior art keywords
machine tool
feed device
parameters
machine
control unit
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Withdrawn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
EP14714720.1A
Other languages
German (de)
English (en)
Inventor
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
Publication of EP2981401A1 publication Critical patent/EP2981401A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
    • B28D7/005—Devices for the automatic drive or the program control of the machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/14—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by boring or drilling

Definitions

  • the present invention relates to a method of using a feed device for driving a machine tool, in particular for driving a core bit for drilling concrete and masonry, along a machine stand.
  • the invention relates to a feed device for a method for using a feed device for driving a machine tool, in particular for driving a core bit for drilling concrete and masonry, along a machine stand.
  • the feed device includes a drive for reversibly driving the machine tool relative to the machine stand and at least one sensor for detecting the parameters of the machine tool and the parameters of the feed device.
  • the invention relates to a machine tool for a method for using a feed device for driving a machine tool, in particular for driving a core bit for drilling concrete and masonry, along a machine stand.
  • the machine tool contains a drive for driving a tool held in the machine tool.
  • the necessary during the core drilling of rock high torques and feed forces are usually applied by the machine tool or core drilling machine against a machine stand, which is firmly connected to the ground.
  • the forces generated by the machine tool via a displaceable, formed with a machine coupling part for the central attachment of the machine tool, guide carriage are transmitted symmetrically to a guide rail and further via a bottom plate into the ground.
  • the forces necessary for advancing the machine tool are generated in particular by a feed device which can be operated manually and / or mechanically.
  • the machine tool along a rack of the machine stand are reversibly moved, thereby driving the driven by the machine tool core bit into a substrate to be processed.
  • the feed device can also be equipped by a machine drive.
  • This machine Drive may be formed, for example, in electrical, hydraulic or pneumatic form.
  • Such a device is known for example from EP 2 067 578, wherein in particular a portable machine tool is disclosed, which serves as a drive for a core bit for drilling concrete and masonry.
  • the machine tool is attached to a guide carriage by means of a machine coupling.
  • the guide carriage is in turn displaceable along a vertically or horizontally oriented machine stand, whereby the machine tool together with the Kembohrkrone is vertically displaceable.
  • the core bit driven by it can penetrate the working surface and drill a hole.
  • the parameters for the desired feed i. the start position, the propulsion speed, the end position, the drilling depth, etc.
  • the desired feed parameters may also be derived from a signal which, in turn, may be generated from a power cord of the drilling machine pertaining to the machine tool that is looped through from a power source (e.g.
  • the parameters of core drilling machines such as those shown in FIG. the speed, the torque, the applied power, etc., manually entered by means of an appropriate terminal on the core drill before start-up.
  • the selection of the parameters is often made in relation to the material to be machined, i. the underground to be drilled.
  • the feed rate of the Tool on the basis of only one actual parameter, namely the instantaneous engine power of the rotary drive, is determined and on the other or building on this only an estimate of the tool parameters (eg in the form of Bohrkronen bemessers) is created from a stored reference database.
  • the tool parameters created as a result can only be coarsely coordinated, as a result of which the entire drilling process can only be coordinated to a limited extent with regard to changing drilling conditions and thus can be operated suboptimally.
  • the object of the present invention is to provide a method for using a feed device for driving a machine tool, in particular for driving a core bit for drilling concrete and masonry, along a machine stand.
  • the object of the present invention is also in providing a feed device, a machine tool and a machine stand for this method.
  • a method for using a feed device for driving a machine tool, in particular for driving a core bit for drilling concrete and masonry, along a machine stand is provided.
  • a feed device for a method for using a feed device for driving a machine tool, in particular for driving a core bit for drilling concrete and masonry, along a machine stand is provided, wherein the feed device while a drive for reversibly driving the machine tool relative to the machine stand and contains at least one sensor for detecting the parameters of the machine tool and the parameters of the feed device.
  • a machine tool for a method for using a feed device for driving a machine tool, in particular for driving a core bit for drilling concrete and masonry, along a machine stand.
  • this method sets on the basis of at least one measured parameter of the machine tool and at least one measured parameter of the feed device an optimum parameter for the machining of a present workpiece for the machine tool and / or the feed device.
  • a predetermined amount of measured parameters of the machine tool and / or the feed device is detected in order to store and evaluate them in a corresponding memory device.
  • Optimal parameters indicate parameters that make it possible to carry out the drilling process as quickly and efficiently as possible.
  • a machine tool a core drilling machine, in which a core bit is used, and selected as the at least one parameter of the machine tool, the diameter of the core bit.
  • a parameter characterizing the hardness of the workpiece is selected for setting the optimum parameter for the machine tool and / or the feed device.
  • Optimal parameters indicate parameters that make it possible to carry out the drilling process as quickly and efficiently as possible.
  • a first control unit or a second control unit can be provided for setting the optimum parameter for the machine tool and / or feed device for processing a given workpiece.
  • Optimal parameters indicate parameters that make it possible to carry out the drilling process as quickly and efficiently as possible.
  • first control unit or the second control unit may be at least partially integrated in the machine tool.
  • first or second control unit By a different and in particular variable distribution or arrangement of the first or second control unit, a variety of cost and space-saving versions of the machine tool and / or feed device can be realized.
  • a first control unit or a second control unit can be provided for setting the optimum parameter for the machine tool and / or feed device for processing a present workpiece.
  • Optimal parameters indicate parameters that make it possible to carry out the drilling process as quickly and efficiently as possible.
  • At least the first control unit or the second control unit is at least partially integrated in the feed device.
  • a different and in particular variable distribution or arrangement of the first or second control unit a variety of cost and space-saving versions of the machine tool and / or feed device can be realized.
  • FIG. 1 shows an inventive feed device, a machine tool according to the invention and a machine stand according to a first embodiment
  • FIG. 2 shows an inventive feed device, a machine tool according to the invention and a machine stand according to a second embodiment
  • Fig. 3 shows a connection of the feed device according to the invention with the inventive horrmasch ine.
  • FIG. 1 shows an association of a machine tool 10, a feed device 30, a drilling tool 50 and a machine stand 70.
  • the machine tool 10 is in the form of a core drilling machine and includes a housing 12, a drive 14, a transmission 16, a first control unit 18, sensors 20 and a drive shaft 22.
  • the drive 14 is in the form of an electric motor. Alternatively, any other suitable type of drive can be selected. According to a specific embodiment of the present invention, the drive 14 may be formed by a high-frequency motor.
  • the first control unit 18 is designed such that it detects all parameters of the machine tool 10 and in particular all parameters of the drive 14, which are measured by the sensors 20 of the machine tool 10. These parameters include, for example, the engaged gear of the transmission 16, the rotational speed, the torque, the applied and / or output power of the drive 14, etc.
  • the housing 12 has an upper side 12a, a lower side 12b, a left side 12c and a right side 12d.
  • the drive 14 is located inside the housing 12.
  • the drive shaft 22 has a first end 22a and a second end 22b.
  • the first end 22a of the drive shaft 22 is connected to the drive 14 so that the drive 14 can put the drive shaft 22 in a first rotational movement A or second rotational movement B.
  • the second end 22b of the drive shaft 22 protrudes from the core drilling machine 10 at the lower side 12b of the housing 12.
  • the drilling tool 50 has a first end 50a and a second end 50b in the form of a cylindrical drill bit.
  • the first end 50 a of the drilling tool 50 is non-rotatably connected to the second end 22 b of the drive shaft 22. Via the drive shaft 22, the machine tool 10 offset the drilling tool 50 in the first rotational movement A or in the second rotational movement B.
  • the feed device 30 includes a housing 32 in which a feed drive 34, a second control unit 36, sensors 38 and a drive pinion 40 are positioned.
  • the second control unit 36 is designed so that this all parameters of the feed device 30 and in particular the parameters of the feed drive 34, which are measured by the sensors 38 of the feed device 30 detected. These measured parameters include, for example, the feed rate of the feed device 30 to the machine stand 70, the already traveled distance of the feed device 30 since the beginning of the drilling operation, the position of the feed device 30 along the machine stand 70, the rotation angle of the feed drive 34, etc.
  • a variety at parameters of the control unit 36 of the feed device 30 are calculated.
  • the parameter calculation is based on a comparison between the parameters detected by the sensors 38, such as the rotation angle of the drive pinion 40, and the predetermined (ie preset) parameters. From the parameter calculation, among other things, the feed rate of the feed device 30 to the machine frame 70, the relative and / or absolute position of the feed device 30, the already traveled distance of the feed device 30 since the beginning of drilling and the time and / or the distance to reach the stop of the drilling tool 50 are determined.
  • the feed drive 34 is, as shown in Fig. 1, designed according to a first embodiment in the form of an electric motor.
  • the feed drive 34 can also be configured in the form of a handwheel 42 in accordance with a second embodiment.
  • the feed drive 34 drives the drive pinion 40 under control of the control unit 36.
  • the feed drive 34 can also be operated by manual operation, i. by manually turning the handwheel 42, are moved. In this case, the automatic feed of the feed drive 34 is turned off, whereby only the user of the feed device controls the feed.
  • the sensors 20, 38, e.g. Hall sensors on the drive 14 further the parameters (e.g., positional parameters) of the feed device 30 and the machine tool 10 detect.
  • the feed device 30 is designed such that it can be mounted on the machine stand 70 (as described below) and can be moved with the aid of the drive pinion 40 along the machine stand 70 in the direction of arrow C.
  • the sensors 38 are in the form of angle, rotation angle, acceleration, speed or position sensors, and designed so that this either incrementally directly on the feed drive 34 or absolutely along the machine stand 70, the acceleration, the feed rate, the angle, detect the angle of rotation and the position of the feed device 30.
  • the machine stand 70 includes a guide rail 72, a brace 74, and a base 76.
  • the guide rail 72 is positioned on the base 76 and supported by the bracing member 74 such that the guide rail 72 is oriented vertically or at a predetermined angle. Furthermore, the guide rail 72 on one side a rack 78 on.
  • the bracing element 74 is optional and may also be omitted according to an alternative embodiment of the machine stand.
  • the housing 12 of the machine tool 10 is fixed to the housing 32 of the feed device 30.
  • the feed device 30 is mounted on the machine stand 70, that the drive pinion 40 of the feed device 30 engages the rack 78 of the machine stand 70. If under control of the control unit 36 of the feed drive 34, the drive gear 40 is set in a rotational movement, the feed device 30 is reversibly moved along the machine stand 70 in the direction of arrow C. As a result of the machine tool 10 being fastened to the feed device 30, moving the feed device 30 along the machine stand 70 in the direction of the arrow C also moves the machine tool 10 along the machine stand 70 in the direction of the arrow C. As a result of this vertical movement of the machine tool 10, the drilling tool attached to the machine tool 10 in the form of the cylindrical drill bit is moved vertically into the workpiece 80 to be machined, i. into the underground, whereby a hole is drilled in the workpiece 80.
  • the respective sensors 38 of the feed device 30 measure the parameters of the feed device 30.
  • the respective sensors 38 of the machine tool 10 measure the parameters of the machine tool 10.
  • the feed device 30 and the machine tool 10 are Connected by connecting elements 90 such that all detectable parameters of the feed device 30 can be sent to the machine tool 10 and all detectable parameters of the machine tool 10 can be sent to the feed device 30.
  • the information flow i. the bidirectional transmission of the parameters
  • the bidirectional transmission of the parameters from the power cable 100 via the machine tool 10 to the feed device 30 can take place.
  • the relevant parameters for the pending drilling process for the feed device 30 and machine tool 10 are set. These parameters, such as feed rate, speed, drill bit diameter, are often related to In addition, these default parameters (so-called. Desired parameters) in the first and / or second control unit 18, 36 detected or stored. It is possible that the setting of the relevant parameters for the feed device 30 and machine tool 10 is made only on the basis of the selected Bohrkronen bemessers.
  • the parameters suitable for the drill bit diameter, such as speed, are stored in a software or a data memory. The feed rate is then set automatically or in a separate step, depending on the selected power setting.
  • the respective sensors 38 of the feed device 30 and the machine tool 10 measure the detectable parameters of the feed device 30 and of the machine tool 10 (so-called actual parameters), which in turn are recorded or stored in the first and / or second control unit 18, 36 become.
  • the drilling process can be optimized at any time during the drilling process by means of the detected or measured parameters of the feed device 30 and the machine tool 10.
  • new desired parameters can be determined from the sum of the detected or measured parameters of the feed device 30 and machine tool 10 (so-called actual parameters) eg Hardness of the workpiece to be drilled 80, are optimal.
  • the measured actual parameters of the feed device 30 and machine tool 10 lead to an adaptation or optimization of one or more desired parameters in the feed device 30 and machine tool 10.
  • the adjustment of the desired parameters is carried out automatically by the first and / or. or second control unit 18, 36.
  • the torque of the drive can be increased accordingly, without increasing the applied power for the drive 14 of the machine tool 10 ,
  • an optimum feed rate of the feed device 30 and of the machine tool 10 can be achieved, whereby the entire drilling process is optimized (i.e., the drilling time is minimized).
  • first and / or second control unit 18, 36 is designed so that trends or trends in the change of the measured actual parameters can be detected and identified as such and correspondingly responded to these tendencies / trends early by counteracting new setpoint settings. Parameter can be reacted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Abstract

La présente invention concerne un procédé d'utilisation d'un dispositif d'avance (30) servant à entraîner une machine-outil (10), notamment une couronne de carottage destinée à percer du béton et de la maçonnerie, le long d'un bâti de machine (70). Le dispositif d'avance (30) destiné mettre en œuvre ce procédé comporte un entraînement (34) destiné à entraîner de façon réversible la machine-outil (10) par rapport audit bâti (70) et au moins un capteur (38) destiné à détecter les paramètres de la machine-outil (10) et les paramètres du dispositif d'avance (30). La machine-outil (10) destinée à mettre en œuvre ce procédé comporte un entraînement (14) destiné à entraîner un outil (50) supporté dans la machine (10), notamment une couronne de carottage destinée à percer du béton et de la maçonnerie. Dans le procédé de l'invention, un paramètre de la machine-outil (10) et/ou du dispositif d'avance (30), optimal pour le traitement d'une pièce à usiner (80), est réglé sur la base d'au moins un paramètre mesuré de la machine-outil (10) et sur au moins un paramètre mesuré du dispositif d'avance (30).
EP14714720.1A 2013-04-03 2014-04-03 Dispositif d'avance Withdrawn EP2981401A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013205827.6A DE102013205827A1 (de) 2013-04-03 2013-04-03 Vorschubeinrichtung
PCT/EP2014/056642 WO2014161914A1 (fr) 2013-04-03 2014-04-03 Dispositif d'avance

Publications (1)

Publication Number Publication Date
EP2981401A1 true EP2981401A1 (fr) 2016-02-10

Family

ID=50424262

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14714720.1A Withdrawn EP2981401A1 (fr) 2013-04-03 2014-04-03 Dispositif d'avance

Country Status (5)

Country Link
US (1) US20160031119A1 (fr)
EP (1) EP2981401A1 (fr)
DE (1) DE102013205827A1 (fr)
RU (1) RU2015147037A (fr)
WO (1) WO2014161914A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3088150A1 (fr) * 2015-04-28 2016-11-02 HILTI Aktiengesellschaft Génération adaptative de paramètres de forage lors de carottage automatisé
EP3088151A1 (fr) 2015-04-28 2016-11-02 HILTI Aktiengesellschaft Mode marche arrière pour systèmes de carotteuse
EP3292969A1 (fr) * 2016-09-12 2018-03-14 HILTI Aktiengesellschaft Dispositif d'avance pour une carotteuse
JP2019005901A (ja) * 2017-06-20 2019-01-17 株式会社ミスミ特殊 鉄筋コンクリート構造物用コアドリル
EP4219082A1 (fr) 2017-07-31 2023-08-02 Milwaukee Electric Tool Corporation Outil électrique rotatif
EP3663061A1 (fr) * 2018-12-05 2020-06-10 Hilti Aktiengesellschaft Procédé de fonctionnement d'un système et système
CN111119774B (zh) * 2020-01-04 2021-09-24 厦门市政工程研究所有限公司 一种混凝土钻孔取芯机
EP3960410A1 (fr) * 2020-08-26 2022-03-02 Hilti Aktiengesellschaft Procédé de détection d'un impact d'armature dans un sous-sol, ainsi qu'appareil de carottage et système de forage

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01281807A (ja) * 1988-04-28 1989-11-13 Fuji Heavy Ind Ltd ドリルの制御方法
DE19632401A1 (de) * 1996-08-12 1998-02-19 Delmag Maschinenfabrik Bohrgerät
DE19807899A1 (de) * 1998-02-25 1999-09-09 Lonz Industrieautomation Gmbh Kernbohrmaschine mit einer Steuerung bzw. Regelung des Vorschubweges des Kernbohrers und Verfahren zum Kernbohren
DE10304405B4 (de) * 2003-02-01 2012-10-04 Hilti Aktiengesellschaft Verfahren zur Regelung einer Kernbohrmaschine
DE102004020672A1 (de) * 2004-04-28 2005-11-17 Hilti Ag Bohrkrone, Bohrsystem und Verfahren zur Bestimmung des elektromagnetischen Umfeldes einer Bohrkrone
DE102007021070B4 (de) 2007-05-04 2013-10-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zum Betrieb einer Werkzeugmaschine sowie Werkzeugmaschine
DE102007055716A1 (de) 2007-12-06 2009-06-10 Hilti Aktiengesellschaft Maschinenständer mit Maschinenkupplung für eine transportable Werzeugmaschine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2014161914A1 *

Also Published As

Publication number Publication date
DE102013205827A1 (de) 2014-10-09
US20160031119A1 (en) 2016-02-04
RU2015147037A (ru) 2017-05-10
WO2014161914A1 (fr) 2014-10-09

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