EP4114617A1 - Energieversorgungsvorrichtung für eine werkzeugmaschine - Google Patents
Energieversorgungsvorrichtung für eine werkzeugmaschineInfo
- Publication number
- EP4114617A1 EP4114617A1 EP21706000.3A EP21706000A EP4114617A1 EP 4114617 A1 EP4114617 A1 EP 4114617A1 EP 21706000 A EP21706000 A EP 21706000A EP 4114617 A1 EP4114617 A1 EP 4114617A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- machine tool
- supply device
- energy supply
- tool housing
- housing area
- 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
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/02—Construction of casings, bodies or handles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D11/00—Portable percussive tools with electromotor or other motor drive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D11/00—Portable percussive tools with electromotor or other motor drive
- B25D11/06—Means for driving the impulse member
- B25D11/12—Means for driving the impulse member comprising a crank mechanism
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
- B25D17/20—Devices for cleaning or cooling tool or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/008—Cooling means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
- B25D2250/121—Housing details
Definitions
- the present invention relates to a machine tool, in particular a chipping hammer, containing a drive, an impact mechanism device, a control device, an energy supply device for supplying the machine tool with electrical energy and a machine tool housing with a first and second machine tool housing area.
- Machine tools in the form of drilling and / or cutting hammer of the type mentioned at the beginning are known in principle from the prior art.
- the object of the present invention is to provide a machine tool which enables improved handling and operation and ensures better protection for the power supply of the machine tool.
- a machine tool in particular a chisel hammer, containing a drive, an impact mechanism, a control device, an energy supply device for supplying the machine tool with electrical energy and a machine tool housing with a first and second machine tool housing area.
- the energy supply device can be positioned in one direction between the first and second machine tool housing areas, with a first interface for connecting the energy supply device to the first Machine tool housing area and a second interface for connecting the energy supply device to the second machine tool housing area is provided.
- Both the first and the second interface can be designed to establish a releasable mechanical connection with the respective first and second machine tool housing area.
- the mechanical connection can be designed in the form of a form-fitting and / or force-fitting coupling. It is possible here for the mechanical connection to be designed in the form of a tongue and groove system or in the form of a rail system.
- the first and second interfaces are designed to establish a releasable electrical connection with the respective first and second machine tool housing area. With the aid of the electrical connection, electrical energy can be conducted from the energy supply device to the first and / or second machine tool housing area.
- the first and second interfaces and the energy supply device can be configured such that electrical communication signals can be transported from the first or second machine tool housing area via the energy supply device to the second or first machine tool housing area.
- the first and second interfaces may be designed to releasably connect the energy supply device to the first and second machine tool housing areas.
- the energy supply device may be designed as a battery connection device with at least one battery interface for the releasable connection of the energy supply device to at least one battery.
- the energy supply device may be designed as a network connection device with a line for the releasable connection of the machine tool to a network power source.
- the energy supply device may contain at least one ventilation duct, the at least one ventilation duct extending essentially from an upper side to a lower side of the energy supply device.
- the at least one ventilation duct contains at least one fan for generating an air flow through the at least one ventilation duct.
- the machine tool may be designed such that a center of gravity of the energy supply device and a center of gravity of the tool housing are essentially on an intersection of a first and second plane, the first and second planes being arranged perpendicular to one another. This results in an almost optimal balance and weight distribution and improves the handling and handling of the machine tool.
- FIG. 1 shows a side view of a machine tool with an energy supply device in the form of a battery connection device with an internal battery between a first and second machine tool housing area;
- FIG. 2 shows a perspective front view of the machine tool with the accumulator outside the energy supply device configured in the form of a battery connection device;
- FIG. 3 shows a further side view of the machine tool with the accumulator inside the energy supply device configured in the form of a battery connection device;
- FIG. 4 shows a side view of the energy supply device configured in the form of a battery connection device with a battery positioned inside and a fan in a ventilation duct;
- FIG. 5 shows a perspective rear view of the energy supply device designed in the form of a battery connection device without a battery
- FIG. 6 shows a further side view of the machine tool with the first and second machine tool housing areas without an energy supply device
- FIG. 7 shows a side view of the machine tool with the energy supply device in the form of a network connection device between the first and second machine tool housing areas
- FIG. 8 shows a further side view of the machine tool with the energy supply device in the form of a network connection device with a fan in a ventilation duct
- FIG. 9 shows a side view of the energy supply device in the form of a network connection device with the fan in the ventilation duct.
- Figures 1 and 2 show a machine tool 1 in the form of a chipping hammer.
- the machine tool 1 can also be a rotary hammer, combination hammer or the like.
- the machine tool 1 is designed in the form of a saw, a grinding device, a drill, a hammer drill, a screwdriver or another hand-held power tool.
- the machine tool 1 essentially contains a machine tool housing 2, a first handle device 3a and a second handle device 3b, a
- Tool holding device 4 a drive 5, a striking mechanism 6, a
- the energy supply device 7 serves to supply the electrical consumers with electrical energy.
- the drive 5 is designed in the form of an electric motor and is used to drive the striking mechanism 6.
- the striking mechanism 6 is used to generate impacts or impact pulses.
- the drive 5 and the striking mechanism 6 are connected to one another.
- the striking mechanism 6 is in turn connected to the tool receiving device 4 in such a way that the impact pulses generated by the striking mechanism 6 are passed on to the tool receiving device 4.
- control device is not shown in the figures.
- the machine tool housing 2 contains a first machine tool housing area 20 and a second machine tool housing area 30. As indicated in FIG. 3, the drive 5 and the hammer mechanism 6 are positioned in the first machine tool housing area 20. As can be seen in particular from FIG. 2, a display device 9 and an input device 10 are provided at an upper end of the second machine tool housing area 20.
- the display device 9 is used to display different states of the machine tool 1.
- the input device 10 is used to enter information and to set different states of the machine tool 1.
- the first machine tool housing area 20 in turn contains a first end 20a and a second end 20b.
- the second machine tool housing portion 30 also includes a first end 30a and a second end 30b.
- the tool receiving device 4 is positioned at the first end 20a of the first machine tool housing area 20.
- the tool holding device 4 is used for Picking up and holding a tool.
- the tool is not shown in the figures.
- the tool is configured as a chisel.
- the first handle device 3a is positioned at the first end 20a of the first machine tool housing area 20.
- a first interface 22 is provided at the second end 20b of the first machine tool housing area 20.
- the first interface 22 serves to releasably connect the first machine tool housing area 20 to the energy supply device 7.
- the first and second ends 20a, 20b of the first machine tool housing area 20 are positioned and aligned in direction A essentially one behind the other.
- a second interface 32 is positioned at the first end 30a of the second machine tool housing area 30.
- the second interface 32 serves to releasably connect the second machine tool housing area 30 to the energy supply device 7.
- the second handle device 3b is positioned at the second end 30b of the second machine tool housing area 30.
- the first and second ends 30a, 30b of the second machine tool housing area 30 are positioned and aligned essentially one behind the other in direction A.
- Both the first and the second handle devices 3a, 3b are used to hold and guide the machine tool 1. It is provided that one hand of a user of the machine tool 1 holds the machine tool 1 firmly on the first handle device 3 a and another hand on the second handle device 3 b. The user is not shown in the figures.
- the second handle device 3b contains an actuation switch 12 for actuating or activating the machine tool 1.
- the actuation switch 12 is connected to the control device, the energy supply device 7 and the drive 5.
- the energy supply device 7 contains a first interface 7a and a second interface 7b. With the aid of the first interface 7a of the energy supply device 7, the energy supply device 7 can be releasably connected to the first interface 22 of the first machine tool housing area 20. With the aid of the second interface 7b of the energy supply device 7, the energy supply device 7 can be releasably connected to the second interface 32 of the second machine tool housing area 30.
- the energy supply device 7 is shown in a first embodiment. According to a first embodiment, the energy supply device 7 is designed in the form of a battery connection device with a battery interface 13 for the releasable connection of the energy supply device 7 to an accumulator 14.
- the energy supply device 7 contains a base body 15 in the form of a shaft-shaped hollow cylinder.
- the base body 15 essentially contains a first, second, third and fourth side wall 15a, 15b, 15c, 15d.
- the first and second side walls 15a, 15b and the third and fourth side walls 15c, 15d each lie opposite one another, so that a continuous shaft 16 in the form of a central continuous recess with a receiving volume AV is created in the base body 15.
- a fan 17 is positioned in the shaft 16 of the base body 15. The fan 17 is used to generate an air flow LS through the duct 16 of the base body 15 in order to cool the duct 16.
- Each of the four side walls 15a, 15b, 15c, 15d each has an inner side 18 and an outer side 19.
- the first interface 7a is positioned on the outside 19 of the first side wall 15a.
- the second interface 7b is positioned on the outer wall 19 of the second side wall 15b.
- Both the first and the second interface 7a, 7b are designed to establish a releasable mechanical connection with the respective first and second machine tool housing areas 20, 30.
- the mechanical connection can be designed in the form of a form-fitting and / or force-fitting coupling.
- both the first and second interfaces 7a, 7b of the energy supply device 7 as well as the first interface 22 of the first machine tool housing area 20 and the second interface 32 of the second machine tool housing area 30 each contain electrical contact elements, so that electrical energy from the energy supply device 7 to the first and / or or second machine tool housing area 20, 30 can reach.
- the electrical contact elements are not shown in the figures.
- both the first and second interfaces 7a, 7b of the energy supply device 7 as well as the first interface 22 of the first machine tool housing area 20 and the second interface 32 of the second machine tool housing area 30 each contain communication elements to receive communication signals from the first or second machine tool housing area 20, 30 via the To transport energy supply device 7 to the second or first machine tool housing area 20, 30.
- Communication signals can also from the energy supply device 7 to the first and / or second Machine tool housing area 20, 30 are sent and / or received.
- the communication elements are not shown in the figures.
- the battery interface 13 is positioned on the inside 18 of the first side wall 15a of the energy supply device 7.
- the fan 17 is arranged in the direction C below the battery interface 13, see FIG.
- an accumulator 14 can be releasably connected to the energy supply device 7 in such a way that the electrical energy stored in the accumulator 14 can be transported from the accumulator 14 to the energy supply device 7.
- the battery interface 13 is designed in such a way that the battery 14 can be pushed in the direction C onto the battery interface 13 in order to create a releasable connection.
- the battery interface 13 and an upper side of the battery 14 have a tongue-and-groove system for this purpose. The tongue and groove system is not shown in the figures.
- the energy supply device 7 is shown in a second embodiment.
- the energy supply device 7 is designed in the form of a network connection device.
- the energy supply device 7 configured as a network connection device contains a control unit, a transformer and a line 40 for the releasable connection of the machine tool 1 to a mains power source.
- electrical energy can reach the energy supply device 7.
- the electrical energy can then be transported from the energy supply device 7 to the first and / or second machine tool housing area 20, 30 via the first and second interfaces 7a, 7b.
- the energy supply device 7 contains a ventilation duct 25 which extends from a first opening 26 on an underside 8a to a second opening 28 on an upper side 8b over the entire length of the energy supply device 7.
- the fan 17 is positioned in the ventilation duct 25 such that an air flow LS can flow through the ventilation duct 25 in order to cool the energy supply device 7.
- the energy supply device 7 serves to connect the two machine tool housing areas 20, 30 to one another. If, as in FIG. 6 shows the energy supply device 7 is removed, the first and second machine tool housing areas 20, 30 are separated from one another.
- the machine tool 1 and in particular the two machine tool housing areas 20, 30 as well as the energy supply device 7 is designed so that a center of gravity of the energy supply device 7 and a center of gravity of the tool housing 1 essentially on a single point of intersection 50 of a first and second level E1, E2 lie, the first and second planes E1, E2 being arranged perpendicular to one another.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Percussive Tools And Related Accessories (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP20161206.6A EP3875225A1 (de) | 2020-03-05 | 2020-03-05 | Energieversorgungsvorrichtung für eine werkzeugmaschine |
| PCT/EP2021/054402 WO2021175652A1 (de) | 2020-03-05 | 2021-02-23 | Energieversorgungsvorrichtung für eine werkzeugmaschine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4114617A1 true EP4114617A1 (de) | 2023-01-11 |
| EP4114617B1 EP4114617B1 (de) | 2025-04-23 |
Family
ID=69779830
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20161206.6A Withdrawn EP3875225A1 (de) | 2020-03-05 | 2020-03-05 | Energieversorgungsvorrichtung für eine werkzeugmaschine |
| EP21706000.3A Active EP4114617B1 (de) | 2020-03-05 | 2021-02-23 | Werkzeugmaschine mit einer energieversorgungseinrichtung |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20161206.6A Withdrawn EP3875225A1 (de) | 2020-03-05 | 2020-03-05 | Energieversorgungsvorrichtung für eine werkzeugmaschine |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US12194609B2 (de) |
| EP (2) | EP3875225A1 (de) |
| CN (1) | CN115038553B (de) |
| WO (1) | WO2021175652A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4190497A1 (de) * | 2021-12-01 | 2023-06-07 | Hilti Aktiengesellschaft | System mit einer werkzeugmaschine und einer energieversorgungsvorrichtung, verbindungsverfahren, sowie schnittstelle |
| US12558766B2 (en) * | 2022-08-02 | 2026-02-24 | Milwaukee Electric Tool Corporation | Percussion tool |
| EP4400239A1 (de) * | 2023-01-12 | 2024-07-17 | Hilti Aktiengesellschaft | Elektrohandwerkzeug mit einer lösbar am maschinengehäuse befestigten akkumulatoreinheit |
Family Cites Families (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3826316A (en) * | 1971-02-19 | 1974-07-30 | Reed Tool Co | Pneumatic impact tool |
| GB2419170B (en) * | 2002-09-13 | 2006-12-06 | Black & Decker Inc | Rotary tool having overload clutch with three modes of operation |
| US7152328B2 (en) * | 2003-10-23 | 2006-12-26 | David Eugene Champlin | Electric pole saw |
| US7752760B2 (en) * | 2005-06-30 | 2010-07-13 | Black & Decker, Inc. | Portable trimmer having rotatable power head |
| DE102006018072B4 (de) * | 2006-04-10 | 2016-08-11 | Andreas Stihl Ag & Co. Kg | Heckenschere |
| US7743683B2 (en) * | 2006-08-15 | 2010-06-29 | Umagination Labs, L.P. | Systems and methods of a power tool system with interchangeable functional attachments powered by a direct rotational drive |
| US20080184568A1 (en) * | 2007-02-06 | 2008-08-07 | Desa Ip, Llc | Split Power Tool |
| US9591809B2 (en) * | 2007-02-06 | 2017-03-14 | Mtd Products Inc | Split power tool |
| US8136254B2 (en) * | 2007-02-06 | 2012-03-20 | Mtd Products Inc | Split power tool with extension |
| DE102007039828B3 (de) * | 2007-08-23 | 2008-11-20 | Robert Bosch Gmbh | Elektrohandwerkzeugmaschine mit einem Lüfter und einem Akku |
| DE102007043917A1 (de) * | 2007-09-14 | 2009-04-02 | Robert Bosch Gmbh | Elektrohandwerkzeugmaschine |
| EP2635411B1 (de) * | 2010-11-04 | 2017-03-22 | Ingersoll-Rand Company | Schnurlose elektrowerkzeuge mit einer universellen steuerung sowie werkzeug- und batterie-identifikation |
| DE102012222055A1 (de) * | 2012-12-03 | 2014-06-05 | Hilti Aktiengesellschaft | Messanordnung zum Messen eines Effektivwertes einer Wechselspannung in einer Handwerkzeugmaschine |
| CN203334949U (zh) * | 2013-06-07 | 2013-12-11 | 中国石油化工股份有限公司 | 一种井下工具动力机 |
| US20150068783A1 (en) * | 2013-09-06 | 2015-03-12 | Blount, Inc. | Pole-attached power tool systems |
| CN103737555A (zh) * | 2014-01-15 | 2014-04-23 | 凌新华 | 一种带有照明灯的逃生锤 |
| JP6258093B2 (ja) * | 2014-03-24 | 2018-01-10 | 株式会社マキタ | 打撃工具 |
| EP2937185A1 (de) * | 2014-04-22 | 2015-10-28 | HILTI Aktiengesellschaft | Handwerkzeugmaschine |
| JP6309881B2 (ja) * | 2014-11-14 | 2018-04-11 | 株式会社マキタ | 作業工具 |
| EP3028823A1 (de) * | 2014-12-01 | 2016-06-08 | HILTI Aktiengesellschaft | Handwerkzeugmaschine, lüfterloser Akkumulator |
| EP3028822A1 (de) * | 2014-12-01 | 2016-06-08 | HILTI Aktiengesellschaft | Handwerkzeugmaschine, lüfterloses Netzstromteil und Werkzeugsystem |
| JP2016165783A (ja) * | 2015-03-10 | 2016-09-15 | 株式会社マキタ | 打撃工具 |
| DE102015226423A1 (de) * | 2015-12-22 | 2017-06-22 | Robert Bosch Gmbh | Handwerkzeugmaschine |
| DE102016203931A1 (de) * | 2016-03-10 | 2017-09-14 | Robert Bosch Gmbh | Vorrichtung für eine Handwerkzeugmaschine |
| CN109906522B (zh) * | 2016-10-31 | 2022-05-10 | 工机控股株式会社 | 电池组以及使用电池组的电动机器 |
| DE112017006072T5 (de) * | 2016-11-30 | 2019-08-22 | Ridge Tool Company | Hybridantriebwerkzeuge |
| IT201800004792A1 (it) * | 2018-04-23 | 2019-10-23 | Trapano per la foratura di traverse ferroviarie | |
| DE102018210189A1 (de) * | 2018-06-22 | 2019-12-24 | Robert Bosch Gmbh | Werkzeugmaschine |
| US20220123571A1 (en) * | 2020-10-19 | 2022-04-21 | Current Tools, Inc. | Device for adapting an external control device to a battery-operated power tool |
| WO2022140327A1 (en) * | 2020-12-22 | 2022-06-30 | Emerson Professional Tools, Llc | Charge adapter for power tools |
-
2020
- 2020-03-05 EP EP20161206.6A patent/EP3875225A1/de not_active Withdrawn
-
2021
- 2021-02-23 EP EP21706000.3A patent/EP4114617B1/de active Active
- 2021-02-23 CN CN202180011467.4A patent/CN115038553B/zh active Active
- 2021-02-23 WO PCT/EP2021/054402 patent/WO2021175652A1/de not_active Ceased
- 2021-02-23 US US17/802,266 patent/US12194609B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP3875225A1 (de) | 2021-09-08 |
| WO2021175652A1 (de) | 2021-09-10 |
| EP4114617B1 (de) | 2025-04-23 |
| US20230079576A1 (en) | 2023-03-16 |
| US12194609B2 (en) | 2025-01-14 |
| CN115038553A (zh) | 2022-09-09 |
| CN115038553B (zh) | 2025-05-02 |
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