CN1426868A - Electric tool machine with driving spindle capable of iointing tool clamp - Google Patents
Electric tool machine with driving spindle capable of iointing tool clamp Download PDFInfo
- Publication number
- CN1426868A CN1426868A CN 02151324 CN02151324A CN1426868A CN 1426868 A CN1426868 A CN 1426868A CN 02151324 CN02151324 CN 02151324 CN 02151324 A CN02151324 A CN 02151324A CN 1426868 A CN1426868 A CN 1426868A
- Authority
- CN
- China
- Prior art keywords
- drive shaft
- section
- cutter holder
- longitudinal axis
- hole
- 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
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000005553 drilling Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
Classifications
-
- 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
- Drilling And Boring (AREA)
- Machine Tool Units (AREA)
Abstract
The invention relates to an electric tool machine (2) and a tool holder (1) which are configured by simple devices to maintain centering between the tool holder (1) and a drive spindle (3) of the electric tool machine (2) as accurate as possible. The devices comprise truncated pyramid surfaces (11, 12) disposed on the drive spindle (3) and the tool holder (1), when the tool holder (1) is screwed down in the drive spindle (3), the truncated pyramid surfaces are stopped by each other.
Description
Technical field
The present invention relates to a kind of electric tools with the drive shaft that can be connected with cutter holder, wherein drive shaft has and is provided with externally threaded first section, and can screw on this section one has the cutter holder that is located at the internal thread in the hole.
Background technology
A kind of like this electric tools is for example by US4, and 874,181 is known.As known by the document, so far electric tools as machine of screwing or drilling machine in, usually cutter holder is screwed on the drive shaft of toolroom machine, wherein, reach these two mutual backstops in plane when cutter holder is screwed onto on the drive shaft no matter still on cutter holder, respectively having a plane on the drive shaft perpendicular to the longitudinal axis extension of drive shaft or cutter holder.Also as by US4,874,181 is known, is inserted with the screw of an axial orientation in cutter holder, and it can be screwed in the drive shaft, gets loose from drive shaft to prevent cutter holder.At this, the screw thread of this anticreep screw turn to turn to drive shaft externally threaded and cutter holder in be used for receiving the switched in opposite of the receiver hole internal thread of drive shaft.The mutual backstop on the face that extends perpendicular to longitudinal axis of cutter holder and drive shaft not too is suitable for, the radially runout rotation of drive shaft of avoiding the centering deviation between cutter holder and the drive shaft and causing thus.
Summary of the invention
Therefore task of the present invention is, provide a kind of electric tools and a kind of cutter holder, this cutter holder can be connected on the drive shaft of electric tools, and they constitute with simple device, and described device can guarantee the accurate as far as possible centering between cutter holder and the drive shaft.
Above-mentioned task is solved like this: promptly, a kind of electric tools with the drive shaft that can be connected with cutter holder has been proposed, wherein drive shaft has and is provided with externally threaded first section, on this section, can screw on one and have the cutter holder that is located at the internal thread in the hole, wherein, drive shaft has second section, and it has truncated cone, and the longitudinal axis of its longitudinal axis and drive shaft coincides; And second section of this frustum-like shape is provided with such distance by definite like this size and with respect to being provided with externally threaded first section, promptly this second section forms backstop with inner surface in being located at cutter holder and contacts when cutter holder is screwed on the drive shaft, and the longitudinal axis that this inner surface also has truncated cone and its longitudinal axis and cutter holder coincides.
The further configuration that meets the requirements of this electric tools is that this frustum-like shape section is connected the electric tools side that is provided with externally threaded section, or this frustum-like shape section is arranged on the front, end towards cutter holder that is provided with externally threaded section.
In order to solve described task, a kind of cutter holder that can be connected with the drive shaft of electric tools has also been proposed, wherein cutter holder has the hole that has internal thread, it can be screwed in and be provided with on the externally threaded drive shaft, wherein, the hole has a section that has inner surface, and this inner surface has truncated cone, and the longitudinal axis of its longitudinal axis and cutter holder coincides; And this section with frustum-like shape inner surface is provided with such distance by definite like this size and with respect to internal thread, promptly this frustum-like shape inner surface forms backstop with section on being located at drive shaft and contacts when cutter holder is screwed on the drive shaft, and the longitudinal axis that this section also has truncated cone and its longitudinal axis and drive shaft coincides.
The favourable further configuration of this cutter holder is: the section with frustum-like shape inner surface is connected on the electric tools side end of internal thread, or the section with frustum-like shape inner surface is set at the front of internal thread on the side that deviates from electric tools of described internal thread.
In addition, unclamp from drive shaft in order to prevent cutter holder, conform with the destination, be provided with one and can penetrate this hole and can be screwed into anticreep screw in the drive shaft that is inserted in this hole, the hand of spiral of the internal thread in its screw thread and this hole is directed on the contrary; And this anticreep screw can be in the axial direction the end face that deviates from electric tools by this hole be screwed in the drive shaft.
Be used at the frustum-like shape stop surface on cutter holder and the drive shaft: when cutter holder was screwed on the drive shaft, both were placed on the position of mutual centering.
Description of drawings
Below will describe the present invention in detail by two embodiment shown in the accompanying drawings.Accompanying drawing is:
Fig. 1: have the cutter holder and the drive shaft of electric tools of the stop surface of truncated cone shape, these stop surfaces be arranged on electric tools near, and
Fig. 2: have the cutter holder and the drive shaft of electric tools of the stop surface of truncated cone shape, these stop surfaces are arranged in the zone of cutter holder.
The specific embodiment
The section of the electric tools 2 that cutter holder 1 shown in Fig. 1 and separate with it.Electric tools 2, for example be machine of screwing or drilling machine to have a drive shaft 3.In the matrix 4 of cutter holder 1, offered an axial hole 5, can find out this matrix by the portion of dissecing on the cutter holder outer wall shown in Fig. 1.Cutter holder 1 on a side of electric tools 2, this hole 5 has its inlet and directed with one heart with the longitudinal axis 7 of cutter holder 1 for jaw 6, this jaw is used to receive a cutter (for example screwing head or drill bit).Hole 5 side within it is provided with an internal thread 8.
The drive shaft 3 of electric tools 2 has first section 9 that is provided with external screw thread 10.First section 9 that is provided with its external screw thread 10 of drive shaft 3 is determined size like this with the hole that is provided with its internal thread 85 of cutter holder, so that cutter holder 1 can be screwed on the drive shaft 3.Hole 5 in the orifice area of electric tools 2, cutter holder 1 has a section 11 that has inner surface, this inner surface has the shape of truncated cone.The longitudinal axis of this truncated cone as far as possible accurately coincides with the longitudinal axis 7 of cutter holder 1.As its counterpart, on the drive shaft 3 of electric tools 2, be provided with second section 12, this section has truncated cone equally.This second section 12 with truncated cone outer surface is connected with the toolroom machine side of first section 9 that is provided with external screw thread 10 of drive shaft 3.The longitudinal axis of second section 12 of formation truncated cone and the longitudinal axis 13 of drive shaft 3 coincide.
If cutter holder 1 is screwed on the drive shaft 3 now, the mutual backstop of frustum-like shape outer surface of second section 12 of the frustum-like shape inner surface of the section 11 of cutter holder 1 and drive shaft 3 then, wherein the face of two truncated cones is located concentrically with respect to one another, and makes cutter holder 1 obtain point-device centered positions thus on drive shaft 3.Consequently, cutter holder 1 obtains splendid directed turnability.
The frustum-like shape section 11 and 12 of cutter holder 1 and drive shaft 3 is set to very close electric tools in the embodiment in figure 1, and in the embodiment shown in Figure 2, the section 14 that has the frustum-like shape inner surface in cutter holder 1 reaches the inside that second section 15 that has the frustum-like shape outer surface on drive shaft 3 is arranged on cutter holder 1.Therefore second section 15 that has the frustum-like shape outer surface is set on the end that deviates from electric tools 2 of drive shaft 3, and the section 14 that has a frustum-like shape inner surface is arranged in stretching into before the internal thread 8 at the place, end of cutter holder 1 of hole 5.
In order to prevent that cutter holder 1 from unclamping from drive shaft 3, an anticreep screw 16 can be set, as illustrated in figs. 1 and 2.The end face that deviates from electric tools 2 17 that this screw 16 passes hole 5 axially stretches into this hole.Be provided with an axially extended screwed hole 18 in drive shaft 3, anticreep screw 16 can be screwed in this screwed hole when cutter holder 1 is screwed on the drive shaft 3.The external screw thread 10 of drive shaft 3 and the internal thread 8 in hole 5 have the hand of spiral different with anticreep screw 16 and screwed hole 18.The external screw thread 10 of drive shaft 3 and the internal thread 8 in hole 5 for example are right-handed thread, and anticreep screw 16 and screwed hole 18 then are provided with left hand thread.
Claims (7)
1. the electric tools that has the drive shaft that can be connected with cutter holder (1), wherein drive shaft (3) has first section (9) that is provided with an external screw thread (10), on this section, can screw on one and have the cutter holder (1) of the internal thread (8) that is located in the hole (5), it is characterized in that: drive shaft (3) has second section (12,15), it has truncated cone, and the longitudinal axis (13) of its longitudinal axis and drive shaft (3) coincides; And second section (12 of this frustum-like shape, 15) determined that like this size reaches with respect to first section (9) that is provided with external screw thread (10) with such distance setting, promptly when cutter holder (1) be screwed in drive shaft (3) when going up this second section contact with inner surface (11) formation backstop in being located at cutter holder (1), the longitudinal axis that this inner surface also has truncated cone and its longitudinal axis and cutter holder (1) coincides.
2. according to the electric tools of claim 1, it is characterized in that: the second frustum-like shape section (12,15) is connected on the end of electric tool pusher side of first section (9) that is provided with external screw thread (10).
3. according to the electric tools of claim 1, it is characterized in that: the second frustum-like shape section (12,15) is arranged on the front, end towards cutter holder (1) of first section (9) that is provided with external screw thread (10).
4. the cutter holder that can be connected with the drive shaft of electric tools, wherein cutter holder (1) has the hole (5) that has internal thread (8), it can be screwed on the drive shaft (3) that is provided with an external screw thread (10), it is characterized in that: hole (5) have a section (14) that has inner surface, this inner surface has truncated cone, and the longitudinal axis (7) of its longitudinal axis and cutter holder (1) coincides; And this section (14) with frustum-like shape inner surface is provided with such distance by definite like this size and with respect to internal thread (8), promptly when cutter holder (1) be screwed in drive shaft (3) when going up this frustum-like shape inner surface (14) contact with section (15) formation backstop on being located at drive shaft (3), the longitudinal axis (13) that this section (15) also has truncated cone and its longitudinal axis and drive shaft (3) coincides.
5. according to the cutter holder of claim 4, it is characterized in that: the section (11) with frustum-like shape inner surface is connected the end of the electric tool pusher side of internal thread (8).
6. according to the cutter holder of claim 4, it is characterized in that: the section (14) with frustum-like shape inner surface is set at the front of internal thread (8) on the side that deviates from electric tools (2) of internal thread (8).
7. according to the cutter holder of claim 4, it is characterized in that: be provided with one and can be screwed into hole (5) and can be screwed into anticreep screw (16) in the drive shaft (3) that is inserted in this hole, the hand of spiral of the internal thread (8) of its screw thread and hole (5) is directed on the contrary; And the end face that deviates from electric tools (2) (17) that this anticreep screw (16) can pass hole (5) in the axial direction is screwed in the drive shaft (3).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2001156391 DE10156391C1 (en) | 2001-11-16 | 2001-11-16 | Power tool used as a screwdriver or drill comprises a working spindle having a section in the shape of a truncated pyramid which comes into contact with an inner truncated pyramid surface on a tool holder |
| DE10156391.4 | 2001-11-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1426868A true CN1426868A (en) | 2003-07-02 |
| CN1298473C CN1298473C (en) | 2007-02-07 |
Family
ID=7706022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021513244A Expired - Fee Related CN1298473C (en) | 2001-11-16 | 2002-11-15 | Electric tool machine with driving spindle capable of iointing tool clamp |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN1298473C (en) |
| CH (1) | CH695549A5 (en) |
| DE (1) | DE10156391C1 (en) |
| GB (1) | GB2382043B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102947050A (en) * | 2010-04-01 | 2013-02-27 | 雄克有限公司 | Centring device for centring chuck on rotating spindle and associated locking device |
| CN103042514A (en) * | 2013-01-06 | 2013-04-17 | 辽宁省电力有限公司铁岭供电公司 | Connector for electric wrench comprehensive aids |
| US9242325B2 (en) | 2010-04-01 | 2016-01-26 | Schunk Gmbh & Co. Kg Spann-Und Greiftechnik | Securing device for securing a chuck on a rotating spindle |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2897545B1 (en) * | 2006-02-23 | 2008-05-09 | Amyot Sa Sa Ets | TOOL HOLDER CHUCK FOR THE EQUIPMENT OF A ROTATING MACHINE |
| DE102011051641A1 (en) * | 2011-07-07 | 2013-01-10 | Röhm Gmbh | drilling |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3118345A (en) * | 1964-01-21 | Tool spindle drawbar | ||
| DE3636027A1 (en) * | 1986-10-23 | 1988-04-28 | Hilti Ag | HAND DEVICE WITH DETACHABLE TOOL HOLDER |
| JPH01140903A (en) * | 1987-11-24 | 1989-06-02 | Okuma Mach Works Ltd | Pulling-up device for tool or the like |
| US4874181A (en) * | 1988-05-31 | 1989-10-17 | Hsu Shing Wang | Coupling member for securing a drilling head to the rotatable rod of a pneumatic tool body |
| DE9203627U1 (en) * | 1992-03-18 | 1993-07-22 | Robert Bosch Gmbh, 70469 Stuttgart | Hand tool with tool holder |
| CN2382505Y (en) * | 1999-07-05 | 2000-06-14 | 高代荣 | Clamp of milling machine |
| JP2001277013A (en) * | 2000-03-29 | 2001-10-09 | Toshiba Mach Co Ltd | Tool holder clamp device for spindle |
-
2001
- 2001-11-16 DE DE2001156391 patent/DE10156391C1/en not_active Expired - Fee Related
-
2002
- 2002-07-02 CH CH11532002A patent/CH695549A5/en not_active IP Right Cessation
- 2002-11-07 GB GB0226045A patent/GB2382043B/en not_active Expired - Fee Related
- 2002-11-15 CN CNB021513244A patent/CN1298473C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102947050A (en) * | 2010-04-01 | 2013-02-27 | 雄克有限公司 | Centring device for centring chuck on rotating spindle and associated locking device |
| US9242325B2 (en) | 2010-04-01 | 2016-01-26 | Schunk Gmbh & Co. Kg Spann-Und Greiftechnik | Securing device for securing a chuck on a rotating spindle |
| CN102947050B (en) * | 2010-04-01 | 2016-02-03 | 雄克有限公司 | For by the chuck aligning equipment of centering and relevant locking equipment on the rotating shaft |
| US9283645B2 (en) | 2010-04-01 | 2016-03-15 | Schunk Gmbh & Co. Kg Spann-Und Greiftechnik | Centering device for centering a chuck on a rotating spindle and associated locking device |
| CN103042514A (en) * | 2013-01-06 | 2013-04-17 | 辽宁省电力有限公司铁岭供电公司 | Connector for electric wrench comprehensive aids |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1298473C (en) | 2007-02-07 |
| GB0226045D0 (en) | 2002-12-18 |
| DE10156391C1 (en) | 2003-01-02 |
| GB2382043B (en) | 2004-04-07 |
| GB2382043A (en) | 2003-05-21 |
| CH695549A5 (en) | 2006-06-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070207 Termination date: 20131115 |