EP3558607A1 - Machine-outil comprenant au moins un axe de moteur et un axe de sortie - Google Patents

Machine-outil comprenant au moins un axe de moteur et un axe de sortie

Info

Publication number
EP3558607A1
EP3558607A1 EP17818131.9A EP17818131A EP3558607A1 EP 3558607 A1 EP3558607 A1 EP 3558607A1 EP 17818131 A EP17818131 A EP 17818131A EP 3558607 A1 EP3558607 A1 EP 3558607A1
Authority
EP
European Patent Office
Prior art keywords
machine tool
output shaft
motor
axis
shaft
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Withdrawn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
EP17818131.9A
Other languages
German (de)
English (en)
Inventor
Thorsten Kuehn
Florian Esenwein
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP3558607A1 publication Critical patent/EP3558607A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
    • B27C5/00—Machines designed for producing special profiles or shaped work, e.g. by rotary cutters; Equipment therefor
    • B27C5/10—Portable hand-operated wood-milling machines; Routers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/02—Driving main working members
    • B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
    • B23Q5/043—Accessories for spindle drives
    • B23Q5/046—Offset spindle drives

Definitions

  • Machine tool with at least one motor axis and one output shaft
  • the invention relates to a machine tool having at least one motor axis and an output axis.
  • the machine tool according to the invention is preferred as a router
  • At least one motor axle from one to one
  • Motor shaft acting electromotive drive is defined, which is coaxial with the motor shaft, at least one output shaft defines an output shaft which is coaxial with the output shaft.
  • Output axis substantially parallel and spaced from each other.
  • the distance between the two elements is the distance between the two elements
  • Motor axis and the output axis preferably between 50 mm and 80 mm
  • the distance between the motor axis and the output shaft is 65 mm.
  • the distance between the motor axis and the output axis is preferably between 15 mm and 60 mm, in particular between 40 mm and 20 mm.
  • the distance between the motor axis and the output axis is preferably 24 mm.
  • the torque transmission from the electric motor drive to the output shaft via a belt drive is possible.
  • the first housing has at least one palm rest surface.
  • the hand rest surface is cut by the output shaft of the output shaft.
  • At least one control element is on and / or in a vicinity of the
  • Hand rest surface arranged. Smit the operator can effortlessly operate the control while using the power tool, without the
  • Two adjusting elements are advantageously arranged on the machine tool, wherein the two adjusting elements are arranged in the space which arises between the parallel arrangement of the motor shaft and the output shaft.
  • the milling depth can be coarse and fine.
  • a base plate is arranged on the adjusting elements, wherein the base plate is arranged asymmetrically on the output shaft.
  • Show it: 1 shows a machine tool according to the invention in a schematic
  • Figure 2 shows a second embodiment of the invention
  • FIG. 4 shows a further embodiment of the invention
  • FIG. 4a shows another embodiment of the invention
  • Figure 5 shows a further embodiment of the invention
  • FIG. 6 shows a further embodiment of the invention
  • FIG. 7 shows a further embodiment of the invention
  • Figure 1 shows a schematically illustrated, inventive router 10 with a housing 14, which has an upper part, preferably made of plastic, and a lower part, preferably made of aluminum, wherein also further embodiments of the housing 14, for example, with a removable lid or in pot design are conceivable.
  • an electric motor drive 12 which a
  • Tool spindle 22 in rotation, arranged.
  • the tool spindle 22 is torsionally fixed to a tool holder 24, in which a
  • the electric motor drive 12 is connected to a motor shaft 16.
  • the motor shaft 16 together with the electromotive drive 12, a motor axis 18.
  • the motor axis 18 is a theoretical axis which is coaxial with the motor shaft 16.
  • An output shaft 20 is also disposed in the housing 14. The output shaft 20 is in a
  • Tool spindle 22 continues. But it is also conceivable that the output shaft 20 is connected via a coupling with the tool spindle 22. But it is also conceivable that the output shaft 20 is connected via a conventional gear or a belt drive with the tool spindle 22.
  • the tool spindle 22 carries a tool holder 24.
  • the tool holder 24 is for example a collet. In the collet a machining tool is inserted and tightened by a union nut.
  • the machining tool is, for example, a milling tool.
  • the machine tool 10 is suitable for milling grooves or for edge milling.
  • the output shaft 20 defines an output shaft 26 which is coaxial with the output shaft 20.
  • the output shaft 26 is a theoretical axis that is coaxial with the output shaft 20.
  • the motor shaft 18 and the output shaft 26 are arranged parallel and spaced from each other.
  • the parallel arrangement of the motor shaft 18 and the output shaft 26 allows a higher torque on the milling tool thereby, that any translations can be chosen.
  • the parallel arrangement of the motor shaft 18 and the output shaft 26 allows a higher torque on the milling tool thereby, that any translations can be chosen.
  • the distance between the motor axis 18 and the output shaft 26 is between 50 mm and 80 mm, in particular between 60 mm and 70 mm. Preferably, however, the distance between the motor shaft 18 and the output shaft 26 is 65 mm. This has the advantage that the router is very compact and ergonomic.
  • FIG. 1 A particularly space-saving embodiment is shown in FIG.
  • the electromotive drive is in the embodiment of Figure 2 is a brushless electronically commutated electric motor.
  • the electric motor drive 12 is connected to a motor shaft 16.
  • a fan 110 is connected to the motor shaft 16.
  • Parallel to the electric motor drive 12, a rechargeable battery 54 is disposed in the housing.
  • the rechargeable battery 54 is used to power the router 10.
  • the rechargeable battery 54 is inserted into the housing 14.
  • Rechargeable battery 54 and the electric motor drive 12 are arranged on a side facing away from the tool holder side over the output shaft 20.
  • the distance between the motor shaft 18 and the output shaft 26 is between 15 mm and 60 mm.
  • the distance between the motor shaft 18 and the output shaft 26 is 24 mm.
  • the rechargeable battery which is not shown in FIG. 1, is in the first one
  • the housing 14 has a hand support surface 50.
  • the hand support surface 50 is integrally formed on the upper part 10 a of the router 10.
  • the hand rest surface is arranged above the electromotive drive 12. This has the advantage that the router 10 can be guided exactly because the electromotive drive 12 is connected to the motor shaft 16 and the motor shaft 16 is connected directly to the tool spindle 22. With the hand rest surface 50 directly over the tool spindle 22, the center of gravity of an operator's hand is lower than in the prior art routers. The leadership of the router is less power consuming and it is a more precise guidance possible.
  • Belt drive 28 connected to the output shaft 20.
  • the belt drive is on a side facing away from the tool holder side over a first bearing
  • a first pulley 30 is arranged on the motor shaft 16.
  • the first pulley 30 is disposed above the first bearing 13.
  • a second pulley 32 is seated on the output shaft
  • the second pulley 32 is disposed above the second bearing 15. Over the first pulley 30 and the second pulley 32, a belt 34 is tensioned, which transmits the torque from the motor shaft 16 to the output shaft 20.
  • Belt slide 30 can also be arranged between the first bearing 13 and the electric motor drive 12.
  • the second belt slide 32 can also be arranged between the second bearing 15 and the tool spindle 22.
  • Belt drive 28 has a reduction of 0.9 to 4.0 especially from 1.0 to 2.5, but preferably from 1.7 to.
  • FIG. 3 shows a system in which the reduction ratio of the
  • Belt drive 28 can be adjusted.
  • an unspecified actuator is attached to the first pulley 30.
  • a mechanical adjusting element such as a thumbwheel on the first pulley 30 may be mounted. If the actuator moves a non-illustrated push rod in the direction of a first pair of pulleys, the first pulley 40 of the first pair of pulleys in the direction of the second pulley 42 of the first pair of pulleys, whereby the distance between the first pulley 40 of the first pair of pulleys and the second pulley 42 of the first pair of pulleys is reduced. The belt 34 is thereby pressed outwards. Since the length of the belt 34 is constant, a second pair of pulleys adapt.
  • the first pulley 44 of the second pair of pulleys is axially displaceable against a second pulley 46 of the second pair of pulleys against a spring force.
  • the spring force is designed so that the belt 34 does not slip at the expected torques.
  • a mechanical coupling or another actuator is provided for the adaptation of the second pair of pulleys.
  • the belt 34 may be designed as a toothed belt, a flat belt, a V-belt, a belt, a string, a chain or the like. With such a transmission, it is possible to
  • Machine tool 10 via the reduction ratio to optimally adapt to the respective working conditions.
  • the adaptation can take place automatically via the machine tool 10 and electronics in the machine tool 10, or a user of the machine tool 10 can carry out a setting via operating elements on the machine tool or via a smartphone, mobile device or the like.
  • FIG. 4 shows a router 10 with a housing 14.
  • the housing 14 has two sections, a first housing section 14a and a second housing section 14b.
  • first housing portion 14 a is a
  • the housing sections 14a and 14b are integrally formed with each other.
  • a transition region 100 from the first housing section 14a to the second housing section 14b is designed such that it serves as a hand support surface 50.
  • the hand rest surface 50 is thereby cut by the output shaft 26 of the output shaft 20.
  • the fingers of a user of the machine tool 10 surround an area of the machine tool 10 which is above the output shaft 20 in the first Housing 16 is located. For better handling, this area can be
  • a hand stop 52 is adjacent to
  • Hand rest area 50 arranged.
  • the manual stop 52 stops the hand of an operator of the machine tool 10 and guides the machine tool 10 in a preferred working direction R. Through the hand stop surface in
  • the machine tool 10 can be guided predominantly via a pressing force from the arm of a user of the machine tool 10 without a large gripping force is required.
  • a first switch 102 is shaped so that it is flush with the housing outer wall during operation and holding the router 10.
  • a second switch 104 is arranged on the housing 14, which must be actuated simultaneously with or shortly before the switch 102.
  • This second switch 102 can also be designed as an unlocking switch for the first switch 102.
  • FIG. 4a shows the router 10a from FIG. 3 in a different perspective.
  • the housing 14 has two sections, a first housing section 14a and a second housing section 14b.
  • a rechargeable battery 54 is arranged in the first housing section 14a.
  • the housing sections 14a and 14b are integrally formed with each other.
  • a base plate 106 is disposed at a lower side of the second housing portion 104 spaced from the housing 14.
  • a transition region 100 from the first housing section 14a to the second housing section 14b is designed such that it serves as a hand support surface 50.
  • the hand rest surface 50 is formed of a non-slip material.
  • the palm rest surface has a curvature K.
  • the curvature K is bounded by a first wall 120 of the first housing portion 14a and a second wall 122 of the second housing portion 14b.
  • the first wall 120 extends substantially parallel to an insertion axis of a rechargeable battery 54.
  • the second wall 122 forms the hand support surface 50.
  • the first wall 120 and the second wall 122 include an angle ⁇ .
  • the angle a should be between 70 and a maximum of 75 °.
  • the second wall 122 does not have to be exactly parallel to the baseplate 106 of the router 10.
  • the second wall 122 can extend up to an angle b of -35 °.
  • FIG. 5 shows a second embodiment of the machine tool 10 as a mains-powered machine tool 10.
  • the motor shaft 16 is higher than the output shaft 20. This area can then serve as hand stop 52 for the hand in the preferred direction R work.
  • Machine tool 10 as well as for the mains operated variant conceivable to place the hand support surface above the electric motor drive.
  • FIG. 6 shows a third embodiment of the machine tool 10.
  • the machine tool 10 has an operating element 60.
  • the operating element 60 is arranged on and / or in a vicinity of the hand support surface.
  • the control element 60 is designed as a pusher cap. Upon actuation of the
  • electromotive drive 12 is activated.
  • the operating element 60 is shaped so that it is flush when pressed in the working direction R with the housing outer wall of the first housing 14.
  • a second switch 62 is intended to be actuated by a user of the machine tool 10 intentionally at the same time or shortly before actuation of the operating element 60. It is also conceivable that the second switch 62 as a release switch for the
  • control element 60 both the control element 60 and the
  • safety-relevant second switch 62 as a non-contact switch, such as
  • control element 60 both the control element 60 and the
  • An acceleration sensor which detects a vibration of the machine tool 10, which is triggered for example by shaking, by one or more predefined movements or by a shock when placing the device on the work surface.
  • a temperature sensor preferably a thermocouple, which detects the heat on the handle or the heat of a single or a plurality of fingers at a certain point of the housing surface of the first housing 14 of the machine tool 10.
  • An optical sensor or a photocell which is covered by the hand or one or more fingers and detects this change in state.
  • FIG. 7 shows a machine tool 10 with integrated depth adjustment. These are two adjusting elements 66 on the machine tool 10 in the space between the parallel arrangement of Motorwellel6 and output shaft 20th
  • the adjusting elements 66 are formed in the embodiment of Figure 6 as columns and within the housing 14 in height

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Milling, Drilling, And Turning Of Wood (AREA)
  • Portable Power Tools In General (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

L'invention concerne une machine-outil (10), en particulier une fraise supérieure, comprenant au moins un entraînement à moteur électrique (12) agissant sur un arbre de moteur (16). L'arbre de moteur (16) définit avec l'entraînement à moteur électrique (12) un axe de moteur (18), qui est coaxial par rapport à l'arbre de moteur (16). La machine-outil comprend également au moins un arbre de sortie (20), l'arbre de sortie (20) définissant un axe de sortie (26), qui est coaxial par rapport à l'arbre de sortie (20). L'invention propose que l'axe de moteur (18) et l'axe de sortie (26) soient disposés l'un par rapport à l'autre sensiblement de manière parallèle et à distance l'un de l'autre.
EP17818131.9A 2016-12-21 2017-12-19 Machine-outil comprenant au moins un axe de moteur et un axe de sortie Withdrawn EP3558607A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016225719.6A DE102016225719A1 (de) 2016-12-21 2016-12-21 Werkzeugmaschine mit mindestens einer Motorachse und einer Abtriebsachse
PCT/EP2017/083451 WO2018114893A1 (fr) 2016-12-21 2017-12-19 Machine-outil comprenant au moins un axe de moteur et un axe de sortie

Publications (1)

Publication Number Publication Date
EP3558607A1 true EP3558607A1 (fr) 2019-10-30

Family

ID=60782216

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17818131.9A Withdrawn EP3558607A1 (fr) 2016-12-21 2017-12-19 Machine-outil comprenant au moins un axe de moteur et un axe de sortie

Country Status (5)

Country Link
US (1) US11440213B2 (fr)
EP (1) EP3558607A1 (fr)
CN (1) CN110099775B (fr)
DE (1) DE102016225719A1 (fr)
WO (1) WO2018114893A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN212042789U (zh) * 2019-05-15 2020-12-01 米沃奇电动工具公司 刳刨机
WO2023055724A1 (fr) * 2021-09-29 2023-04-06 Milwaukee Electric Tool Corporation Évideuse

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US3494395A (en) * 1967-02-08 1970-02-10 Rockwell Mfg Co Router
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DE7436615U (de) * 1974-11-02 1976-05-06 Robert Bosch Gmbh, 7000 Stuttgart Insbesondere hochtouriger schwingschleifer
US4266376A (en) * 1979-02-09 1981-05-12 Black & Decker Inc. Portable electrically energized surface finishing tool
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EP0285803A3 (fr) * 1987-04-04 1988-11-17 INOVAN GmbH & Co. KG Metalle und Bauelemente Pince-épissure pour fibres optiques
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US6846138B1 (en) * 2002-07-23 2005-01-25 Porter-Cable Corporation Offset base router
US20050139288A1 (en) * 2003-12-31 2005-06-30 Mair John F. Offset router flush cutting base
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DE102005053534A1 (de) * 2005-11-08 2007-05-10 Robert Bosch Gmbh Handwerkzeug-Zusatzeinrichtung
CN201175783Y (zh) 2008-03-25 2009-01-07 台湾丽伟电脑机械股份有限公司 兼具铣削功能的车床
WO2011075879A1 (fr) 2009-12-21 2011-06-30 Robert Bosch Tool Corporation Outil électrique ayant un mécanisme d'ajustement de profondeur
EP2341359B1 (fr) 2009-12-22 2015-08-05 9Solutions Oy Système de suivi d'emplacement
JP5697503B2 (ja) * 2011-03-22 2015-04-08 株式会社マキタ 電動工具
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DE102015201575A1 (de) * 2014-04-17 2015-10-22 Robert Bosch Gmbh Oberfräse mit einer Steuer- und/oder Regeleinheit
DE102015201576A1 (de) * 2014-08-26 2016-03-03 Robert Bosch Gmbh Batteriebetriebene Handwerkzeugmaschine mit einer Motorachse und einer Arbeitsachse
CN105508530B (zh) 2016-02-01 2018-07-13 广东力丰机械制造有限公司 一种无级变速传动机构

Also Published As

Publication number Publication date
WO2018114893A1 (fr) 2018-06-28
DE102016225719A1 (de) 2018-06-21
CN110099775B (zh) 2022-08-02
US20190329441A1 (en) 2019-10-31
US11440213B2 (en) 2022-09-13
CN110099775A (zh) 2019-08-06

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