EP1773546A1 - Spacer flange for a machine tool - Google Patents
Spacer flange for a machine toolInfo
- Publication number
- EP1773546A1 EP1773546A1 EP05769815A EP05769815A EP1773546A1 EP 1773546 A1 EP1773546 A1 EP 1773546A1 EP 05769815 A EP05769815 A EP 05769815A EP 05769815 A EP05769815 A EP 05769815A EP 1773546 A1 EP1773546 A1 EP 1773546A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- intermediate flange
- flange according
- webs
- bearing
- machine tool
- 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
- 125000006850 spacer group Chemical group 0.000 title 1
- 239000000463 material Substances 0.000 claims abstract description 15
- 238000010276 construction Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 5
- 230000001788 irregular Effects 0.000 claims description 2
- 238000005452 bending Methods 0.000 abstract description 3
- 239000007787 solid Substances 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009527 percussion Methods 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 208000015943 Coeliac disease Diseases 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
-
- 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
- B25D2217/00—Details of, or accessories for, portable power-driven percussive tools
- B25D2217/0057—Details related to cleaning or cooling the tool or workpiece
- B25D2217/0061—Details related to cleaning or cooling the tool or workpiece related to cooling
-
- 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
- B25D2250/065—Details regarding assembling of the tool
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/14—Rotary member or shaft indexing, e.g., tool or work turret
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/22—Miscellaneous
Definitions
- the invention relates to an intermediate flange for a machine tool for the storage of machine parts according to the preamble of claim 1.
- the intermediate flange is preferably made of a thermally conductive material, such as an aluminum alloy, magnesium, etc., and provides mechanical strength at relatively high operating temperature.
- this design dissipates heat from the transmission area and dissipates it through the cooling air of the engine.
- the required construction is relatively complex.
- the conventional construction is made in die-casting technique, with a constant wall thickness is desirable. The wall thickness of the conventional construction is defined by the highest loaded area, so that an unnecessary use of material takes place. The adverse consequence of this is a relatively complex and heavy construction.
- Intermediate flange has an outer wall with a grid-shaped support structure.
- a smaller one Material required.
- the support structure can be formed by massive, intersecting webs. This results in a high torsional and bending stiffness. It can be a heavy-duty construction with high performance while reducing the weight are provided, which also has a good thermal conductivity.
- the intermediate flange according to the invention has an outer wall with a honeycomb-like and / or diamond-shaped structure, whereby advantageously the use of material can be reduced.
- the honeycomb-like and / or diamond-shaped structure may be irregular.
- the webs can be used as sprues.
- the height of the webs can specifically influence the rigidity of the component.
- a region lying between the webs of the construction can be material-filled.
- the material-filled region is formed thinner wall than the webs to allow further weight reduction.
- the inventive construction high strength at low Material use and thus achieved low weight.
- cavities can also be formed between the webs.
- the outer wall of the intermediate flange according to the invention forms as large a surface as possible, whereby advantageously more heat can be absorbed from the transmission area than with a smooth surface of the outer wall. As a result, an optimal cooling effect is achieved.
- the support structure is arranged between at least two opposite end faces, which may have a bearing point for an armature of an electric drive motor and / or a drive bearing and / or a bearing point for snap-on sleeves.
- the bearing point for the armature and a centering to the motor housing may be arranged in an end face region and are coaxial with each other. They are arranged so to speak in a "plane" in which a seal for sealing the transmission can be arranged, which contains the necessary lubricant.
- the storage of a latching sleeve and / or the bearing point can be arranged for a drive bearing.
- the locking sleeve preferably requires stable storage and connection to absorb or dampen the forces that arise when working with the machine tool. These forces are, for example, the contact pressure of the user, the support forces from the impact mechanism, the torque and the lever forces, which are introduced by the tool into the machine.
- the mounting of the detent sleeve can be tubular and the bearing point for the drive bearing can be arranged on a third, laterally offset end face.
- This embodiment is suitable for space reasons, especially for machine tools in pistol design, wherein the drive bearing can be designed as a swash bearing for a striking mechanism. However, it can also be provided to store a required for the swash bearing intermediate shaft in the intermediate flange according to the invention.
- a ball bearing can be provided for receiving the acting radial load.
- This bearing can also be designed as a bearing seat and at the same time form the receptacle of the first gear stage (armature speed / stroke rate). This bearing can advantageously absorb the resulting transmission moments or forces and the retroactive forces from the percussion.
- Fig. 1 is a perspective view of an embodiment of an intermediate flange according to the invention.
- Fig. 2 shows the embodiment of Figure 1 from a different perspective.
- FIG. 1 shows a perspective view of an exemplary embodiment of an intermediate flange according to the invention for a machine tool, which in the assembled state is arranged in a housing, not shown, in which there is also a drive motor, not shown, in particular an electric motor, a transmission and an impact mechanism.
- the intermediate flange has an outer wall 22 which has a grid-shaped support structure 10 with a regular diamond-shaped structure.
- the support structure 10 is formed by massive, intersecting webs 11. Between the webs 11 of the construction lying areas 12 are filled with material, wherein the material-filled areas 12 are formed thin-walled than the webs 11. For simplicity, only one of the webs 11 and one of the areas 12 is provided with a reference numeral. There are between the material-filled areas 12 and the individual webs 11 respectively formed outwardly open cavities 13, which is typical for the inventive intermediate flange
- the support structure 10 is arranged between a first end face 14 and two end faces 15, 25 opposite the first end face 14.
- the front side 14 has a not apparent in Figure 1
- sealing groove 20 On the side facing the first end face 14 there is a peripheral, sealing groove 20 which serves to receive a seal. In the figure 1, only the sealing groove 20, but not the
- the second end face 15 is located on the transmission side on the first end side 14 opposite side of the intermediate flange and has a bearing point 18 for a locking sleeve.
- This bearing 18 is tubular in the direction of a hammer tube, not shown, a striking mechanism.
- the bearing 18 is connected by means of intersecting webs 11 with the main body of the intermediate flange.
- Figure 2 illustrates the embodiment of the intermediate flange according to the invention of Figure 1 in a different perspective, which allows a view of the first end face 14 and shows the bearing point 16 for the anchor.
- a centering 21 is formed to the motor housing, not shown. These are arranged coaxially with each other and lie in a "plane".
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Motor Or Generator Frames (AREA)
- Machine Tool Units (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
- Jigs For Machine Tools (AREA)
- Gripping On Spindles (AREA)
- Percussive Tools And Related Accessories (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004036585A DE102004036585A1 (en) | 2004-07-28 | 2004-07-28 | Intermediate flange for a machine tool |
PCT/EP2005/052849 WO2006010675A1 (en) | 2004-07-28 | 2005-06-20 | Spacer flange for a machine tool |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1773546A1 true EP1773546A1 (en) | 2007-04-18 |
EP1773546B1 EP1773546B1 (en) | 2008-08-20 |
Family
ID=34973175
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05769815A Active EP1773546B1 (en) | 2004-07-28 | 2005-06-20 | Spacer flange for a machine tool |
Country Status (6)
Country | Link |
---|---|
US (1) | US20080016983A1 (en) |
EP (1) | EP1773546B1 (en) |
CN (1) | CN100584544C (en) |
AT (1) | ATE405385T1 (en) |
DE (2) | DE102004036585A1 (en) |
WO (1) | WO2006010675A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007014758A1 (en) | 2007-03-28 | 2008-10-02 | Robert Bosch Gmbh | Hand tool |
DE102007057453A1 (en) * | 2007-11-29 | 2009-06-04 | Robert Bosch Gmbh | Hand tool |
DE102009045799A1 (en) * | 2009-10-19 | 2011-05-12 | Robert Bosch Gmbh | Machine tool and method for cooling a machine tool |
DE102009054640A1 (en) | 2009-12-15 | 2011-06-16 | Robert Bosch Gmbh | Hand tool |
DE102011113737A1 (en) * | 2011-09-15 | 2013-03-21 | C. & E. Fein Gmbh | Oscillatory drivable machine tool e.g. grinding tool has passive damping element that is assembled at oscillation gear or motor, and is connected to actuator for active damping of vibration |
US20170080554A1 (en) * | 2016-11-30 | 2017-03-23 | Caterpillar Inc. | Hydraulic hammer assembly |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1911813A (en) * | 1927-09-28 | 1933-05-30 | Black & Decker Mfg Co | Portable power hammer |
SE355903B (en) * | 1970-07-17 | 1973-05-07 | Skf Ind Trading & Dev | |
US3934859A (en) * | 1973-11-02 | 1976-01-27 | Combustion Engineering, Inc. | Mixing apparatus |
US4631433A (en) * | 1985-05-06 | 1986-12-23 | General Electric Company | Plastic end shield with thermal barrier for dynamoelectric machines |
DE3922514A1 (en) * | 1989-07-08 | 1991-01-17 | Licentia Gmbh | Collector cooling arrangement for electrically-powered hand tool - increases flow of air around collector by guidance through ring with spacing commensurate with desired flow |
JP2598703Y2 (en) * | 1992-10-14 | 1999-08-16 | 株式会社共立 | Mounting structure of vibration isolating coil spring |
US5394039A (en) * | 1993-01-19 | 1995-02-28 | Ryobi Outdoor Products Inc. | Electric motor mount having vibration damping |
DE29622019U1 (en) * | 1996-12-18 | 1998-04-16 | Bosch Gmbh Robert | Hand tool |
US5875562A (en) * | 1997-06-18 | 1999-03-02 | Fogarty; Shaun P. | Hand-held hair dryer with vibration and noise control |
US6147426A (en) * | 1999-10-29 | 2000-11-14 | Ford Global Technologies, Inc. | Housing and mounting portion for an alternator |
DE19955930B4 (en) * | 1999-11-20 | 2008-09-25 | Andreas Stihl Ag & Co. | Hand drill with a combustion engine |
US6914355B2 (en) * | 2002-12-19 | 2005-07-05 | Honeywell International Inc. | Common radial plane motor cooling |
US7178832B2 (en) * | 2004-01-06 | 2007-02-20 | Delphi Technologies, Inc. | Telescoping steering column assembly with brake |
-
2004
- 2004-07-28 DE DE102004036585A patent/DE102004036585A1/en not_active Withdrawn
-
2005
- 2005-06-20 AT AT05769815T patent/ATE405385T1/en not_active IP Right Cessation
- 2005-06-20 CN CN200580025407.9A patent/CN100584544C/en active Active
- 2005-06-20 EP EP05769815A patent/EP1773546B1/en active Active
- 2005-06-20 WO PCT/EP2005/052849 patent/WO2006010675A1/en active IP Right Grant
- 2005-06-20 US US11/579,313 patent/US20080016983A1/en not_active Abandoned
- 2005-06-20 DE DE502005005135T patent/DE502005005135D1/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2006010675A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN1988987A (en) | 2007-06-27 |
WO2006010675A1 (en) | 2006-02-02 |
EP1773546B1 (en) | 2008-08-20 |
DE502005005135D1 (en) | 2008-10-02 |
ATE405385T1 (en) | 2008-09-15 |
US20080016983A1 (en) | 2008-01-24 |
DE102004036585A1 (en) | 2006-03-23 |
CN100584544C (en) | 2010-01-27 |
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