CN200977561Y - Cutter clamping device for machine tool - Google Patents
Cutter clamping device for machine tool Download PDFInfo
- Publication number
- CN200977561Y CN200977561Y CN 200620159947 CN200620159947U CN200977561Y CN 200977561 Y CN200977561 Y CN 200977561Y CN 200620159947 CN200620159947 CN 200620159947 CN 200620159947 U CN200620159947 U CN 200620159947U CN 200977561 Y CN200977561 Y CN 200977561Y
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- CN
- China
- Prior art keywords
- awl
- ring surface
- cutter
- hilt
- collet chuck
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a machine tool cutting tool holding device, which comprises a knife handle connected on the machine tool lower part main axle, a collet for clamping the cutting tool and a cap nut which locates the collet on the knife handle, wherein the knife handle which comprises an inner ring surface and an outer ring surface, the inner ring surface comprises a guide cone which gradually expands downward with the taper of 8 degree plus or minus 1 degree, the collet comprises an inserting awl inlayed correspondingly into the guide cone, a supporting part located on the bottom and gradually reduces downward, and a multi-strip split ditch, a cutting tool clamping jaw is arranged between the two neighboring split ditches, the cap nut comprises a locking part screwed on the outer ring surface, and a top pushing part corresponding to the supporting part, when the cap nut is revolved upward, the supporting part is pushed by the top pushing part, and the inserting awl is also tied by the guide cone and gradually move inward and draws back, thus the tightening of the cutting tool is achieved. The machine tool cutting tool holding device provided by the utility model has the effect of good clamping, good collet security and the alignment effect.
Description
Technical field
The utility model is a kind of cutter holding device, particularly relates on a kind of main shaft that is installed in toolroom machine and can the winding cutter, makes the rotary power of main shaft be passed to the cutter holding device of the toolroom machine of cutter.
Background technology
The general purpose tool machine is processing machine for example, its purposes is quite extensive, usually comprising one can be around the main shaft of self axis rotation, this main shaft can pass through a cutter holding device clamping one cutter, when the transmission of power of toolroom machine during to main shaft, this cutter holding device just can drive the cutter rotation of clamping, so that workpiece is for example carried out: hole, bore a hole, procedure for processing such as milling.
As shown in Figure 1, a kind of cutter holding device in the past 1, the main shaft (figure do not show) that is mounted in a toolroom machine is gone up and is used for clamping one cutter 10, can drive cutter 10 along with main axis rotation, and comprise a winding and stretch into hilt 11 to 11, one and be nested in the hollow ring 13 of these collet chuck 12 peripheries for the hollow collet chuck 12, that cutter 10 is planted at the hollow knife of described main shaft bottom, and one is screwed onto hilt 11 bottoms and contact ring 13 nut 14 with location collet chuck 12.
This hilt 11 comprises an inner ring surface 112 around a upright shafts line 111, and a bottom has the outer ring surface 114 of a plurality of external screw threads 113.This inner ring surface 112 has one and is positioned at end section and the awl that down enlarges is gradually led portion 115.
This collet chuck 12 comprises that one leads the awl embedding portion 121, of portion 115 and is positioned at the contract location division 122, of bundle of awl embedding portion 121 belows and radial inward and is positioned at the tail end 123 that 122 belows, location division and radial outward protrude out around this axis 111 and corresponding this awl that embeds, and many profile grooves 124 that axially up dissect by the bottom respectively, at 124 jaws 125 that form a clamping cutter of two adjacent profile grooves.This awl embedding portion 121 has a male cone (strobilus masculinus) 126 that cooperates awl to lead the tapering of portion 115 and down enlarge gradually.
This ring 13 is a metal ring plate, is location division 122 peripheries of inlay card at this collet chuck 12.
This nut 14 comprises that one is screwed onto the lock-joining part 141 of these outer ring surface 114 peripheries, and one protrudes out and supports holder from lock-joining part 141 root edge radial inward and supports portion 142 in the holder of ring 13 bottoms.This lock-joining part 141 has a plurality of inner peripheral surface and internal threads 143 corresponding and that external screw thread 113 is spirally connected of being formed on.
When mounted, earlier ring 13 is nested with outside location division 122, and nut 14 is nested with outside ring 13 and collet chuck 12, the awl that the awl embedding portion 121 of collet chuck 12 is placed in hilt 11 is led portion 115 then, and the lock-joining part 141 of nut 14 is screwed onto outside the hilt 11, just cutter 10 up can be plugged on 125 of each jaws of collet chuck 12 this moment, rotary nut 14 more then, order holder support portion 142 up contact ring 13 move collet chuck 12, collet chuck 12 pushing tows are goed deep in this hilt 11, simultaneously, this awl embedding portion 121 also can be subjected to boring the constraint of the portion of leading 115 relatively, and jaw 125 is folded toward in gradually with clamping cutter 10.
Though above-mentioned cutter holding device 1 can be with cutter 10 clampings on main shaft, yet has following unfavorable part in the use:
One, clamps poor effect: during winding, be not all clamp-on tools 10 of whole collet chuck 12, owing to have only awl embedding portion 121 to be subjected to boring the constraint of the portion of leading 115 and clamp-on tool 10, below as for awl embedding portion 121 does not then produce the chucking power that clips cutter 10 toward in, therefore this collet chuck 12 is shorter relatively in order to the length of clamping cutter 10, clamps effect and often is difficult to reach desirable.
Two, collet chuck is easily impaired: because cutter 10 is only bored the fastened clamping of part of embedding portion 121 in correspondence, its hypomere position then is the state that unsettled mistake is complied with, therefore work as transmission of power to cutter holding device 1, and when driving cutter and rotating at a high speed, the situation that the hypomere position that will cause cutter 10 not to be held shakes, after using a period of time, cutter 10 tends to begin to produce fracture by the root edge place of correspondence awl embedding portion 121, and this breaking portion can strike the internal face of collet chuck 12 easily, the situation that causes collet chuck 12 damages is so security is not good.
Three, do not have a correcting contraposition effect: 12 of this hilt 11 and collet chucks are not provided with the correcting structure, so when winding, cause the collet chuck 12 askew phenomenons that are biased into hilt 11 easily, thereby machining accuracy is affected.
The utility model content
Main purpose of the present utility model is to be to provide a kind of cutter holding device with toolroom machine of preferable clamping effect.
Another purpose of the present utility model is that a kind of cutter holding device that can keep the toolroom machine of collet chuck safety is being provided.
Another purpose of the present utility model is the cutter holding device at the toolroom machine that a kind of tool correcting contraposition effect is provided.
The cutter holding device of a kind of toolroom machine provided by the utility model is mounted in the main shaft below of this toolroom machine and is used for clamping one cutter, with together with cutter along with main axis rotation, this cutter holding device comprises: a hilt, a collet chuck and a nut.
This hilt is the below that is engaged on described main shaft, it is a hollow wall body around a upright axis, and comprise an inner ring surface, an outer ring surface, and one define the installing hole that forms by inner ring surface, this inner ring surface has one and is positioned at end section and down enlarges gradually and lead portion for the corresponding awl that embeds of awl embedding portion, it is 8 ° ± 1 ° with respect to the tapering of axis that this awl is led portion, and this outer ring surface has a plurality of external screw threads that are formed on the end section.
This collet chuck is to insert the installing hole of this hilt and the bottom is protruding exposes outside the hilt, can be used for the described cutter of clamping, it is a hollow cylinder around this axis, and comprise this awl embedding portion, one is positioned at the resisted position of awl embedding subordinate side, the location division that one intermediary is formed between awl embedding portion and resisted position and radial inward caves in, and many axially up dissectd by the bottom respectively and the profile groove of inside and outside connection, between two adjacent profile grooves, form the jaw of a clamping cutter, this awl embedding portion has a male cone (strobilus masculinus) that cooperates awl to lead portion and down enlarge gradually, this resisted position have one down dwindle gradually be subjected to face.
This nut is used for collet chuck is positioned hilt, it is a hollow cap body around this axis, and comprise that a radial inward protrudes out and is nested with convergence part in this periphery, location division, and extends upward and be screwed onto the lock-joining part of this outer ring surface periphery from the convergence part outer rim, reaching one is formed on below the convergence part and the pushing part of this resisted position of corresponding pushing tow, this lock-joining part has a plurality of inner peripheral surface and internal threads corresponding and external thread bolt connection of being formed on, this pushing part then have a cooperation be subjected to face and down dwindle gradually in push away face.
When rotary nut make move up the time, this pushing part will this resisted position of contact, and collet chuck is up pushed this installing hole, simultaneously, this awl embedding portion also can be subjected to boring the constraint of the portion of leading and move gradually and fold, with clamping cutter relatively firmly.
The cutter holding device of toolroom machine described in the utility model, the inner ring surface of this hilt also has one and is formed on the portion that directly leads that awl is led the portion top and had identical section footpath, and this collet chuck comprises also that then one is formed on this awl embedding portion top and can cooperates the correcting portion that directly leads portion that embeds.
The cutter holding device of toolroom machine described in the utility model, the resisted position of this collet chuck to be subjected to face be 60 ° with respect to the tapering of axis.
Effect of the present utility model is: the awl embedding portion that fetters collet chuck by the awl portion of leading of hilt, and utilize the resisted position of the pushing part contact holding collet chuck of nut, so can reach preferable clamping effect, and can keep collet chuck safety, in hilt, be provided with in addition and directly lead portion, and be provided with at the collet chuck top and can uprightly embed the correcting portion that directly leads portion, the effect of machining accuracy is kept in tool correcting contraposition when therefore assembling.
The cutter holding device of toolroom machine provided by the utility model, the security with preferable clamping effect, collet chuck is preferable, and can produce correcting contraposition effect.
Description of drawings
Fig. 1 is a kind of a part of assembled sectional view of cutter holding device of toolroom machine in the past;
Fig. 2 is the three-dimensional exploded view of a preferred embodiment of the cutter holding device of the utility model toolroom machine;
Fig. 3 is a part of assembled sectional view of this preferred embodiment.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is elaborated:
As Fig. 2 and shown in Figure 3, the preferred embodiment of the cutter holding device of the utility model toolroom machine, be mounted in a main shaft (figure does not show) below of this toolroom machine and be used for clamping one cutter 2, with together with cutter 2 along with main axis rotation, change by these cutter 2 types, can change form to workpiece processing, just this section construction and the utility model content are irrelevant, so no longer explanation, and improvement emphasis of the present utility model is also irrelevant with main shaft structure and other members, therefore also no longer explanation.And this cutter holding device comprises: a hilt 3, a collet chuck 4 and a nut 5.
This hilt 3 is the belows that are engaged on this main shaft, is a hollow wall body around a upright shafts line 31, and comprises an inner ring surface 32, an outer ring surface 33, and one defines the installing hole 34 that forms by inner ring surface 32.This inner ring surface 32 has one and is positioned at section top, the end and each laterally cuts all identical portion that directly leads 321 in footpath, and one is positioned at the awl of directly leading portion 321 belows and down enlarging gradually and leads portion 322.This awl is led the taper theta of portion 322 with respect to axis 31
1It is 8 ° ± 1 °.This outer ring surface 33 has a plurality of external screw threads 331 that are formed at end section.
This collet chuck 4 is to insert the installing hole 34 of this hilt 3 and the bottom is protruding exposes outside the hilt 3, can be used for this cutter 2 of clamping, it is a hollow cylinder around this axis 31, and comprise that one can cooperate the correcting portion 41 that directly leads portion 321 that embeds, one is formed on these correcting portion 41 belows and corresponding embeds the awl embedding portion 42 that this awl is led portion 322, one is positioned at awl embedding portion 42 belows and protruding resisted position 43 of exposing outside the hilt 3, one intermediary is formed on the location division 44 of awl embedding portion 42 and 43 of resisted positions and radial inward depression, and many are axially up dissectd resisted position 43 by the bottom respectively, location division 44, awl embedding portion 42 and correcting portion 41 and the inside and outside profile groove that is communicated with 45.At 45 jaws 46 that form a clamping cutter 2 of two adjacent profile grooves.This awl embedding portion 42 has a male cone (strobilus masculinus) 421 that cooperates awl to lead the tapering of portion 322 and down enlarge gradually.This resisted position 43 has a taper that down dwindles gradually and is subjected to face 431, and this is subjected to the taper theta of face 431 with respect to axis 31
2It is 60 °.
This nut 5 is used for collet chuck 4 is positioned hilt 3, it is a hollow cap body around this axis 31, and comprise and a radial inward protrude out and be nested with convergence part 51, one 51 outer rims extend upward and be screwed onto the lock-joining part 52 of the section periphery, the end of this outer ring surface 33 from the convergence part, an and pushing part 53 that is formed on 51 belows, convergence part and this resisted position 43 of corresponding pushing tow in these 44 peripheries, location division.This lock-joining part 52 has a plurality of inner peripheral surface and internal threads 521 corresponding and that external screw thread 331 is spirally connected of being formed on.This pushing part 53 then have a taper fit be subjected to face 431 and down dwindle gradually in push away face 531.
Desire with cutter 2 windings to main shaft when below, earlier nut 5 is nested with and is combined on the collet chuck 4, allow convergence part 51 be connected to 44 peripheries, location division, again with both together correspondence be placed on hilt 3 belows, make correcting portion that portion 321 is directly led in 41 upright embeddings, and order awl embedding portion 42 inserts awl and leads portion 322, and the lock-joining part 52 top section of nut 5 is screwed onto on the outer ring surface 33 a little, so will be on hilt 3 with collet chuck 4 windings, then upwards insert selected cutter 2 in the collet chuck 4 and be positioned at 46 of jaws, just can move up by rotating screw cap 5, at this moment, this pushing part 53 will this resisted position 43 of contact, collet chuck 4 is up pushed this installing hole 34, and simultaneously, this awl embedding portion 42 also can be subjected to boring the constraint of the portion of leading 322 and move gradually, described jaw 46 is folded, with clamping cutter 2 firmly.Identical reason in the time of will changing cutter 2, as long as oppositely unscrew nut 5, just can drive collet chuck 4 and move down, and the progressively relative cutter 2 that loosens, for the cutter 2 that changes the outfit.Certainly in winding, also can be earlier cutter 2 be inserted in the collet chucks 4, again with collet chuck 4 with nut 5 windings in hilt 3 bottoms, no longer describe in detail at this.
By above explanation as can be known, the utility model is to have the following good advantage that more in the past was:
One, the clamping effect is preferable: the utility model in design, except lead 322 constraint awl embedding portions 42 of portion by awl, also utilize this resisted position 43 of pushing part 53 contact holdings, make whole collet chuck 4 all be subjected to inside active force, can clip cutter 2 comprehensively, therefore longer relatively in order to the length of clamping cutter 2, so can reach preferable clamping effect.
Two, the security of collet chuck is preferable: because collet chuck 4 of the present utility model is whole fastening clamp cutters 2, therefore when rotating at a high speed, when if cutter 2 ruptures because of rocking, only can be by the place, bottom of the whole collet chuck 4 of correspondence, just the root edge below with respect to resisted position 43 begins to produce fracture, and this breaking portion can't strike collet chuck 4, so can keep collet chuck safety, safety in utilization is preferable.
Three, tool correcting contraposition effect: the utility model is to be provided with directly to lead portion 321 in this hilt 3, and be provided with correcting portion 41 at collet chuck 4 tops, so when winding, just can be easy to allow the 41 upright embeddings of correcting portion directly lead portion 321, and askew inclined to one side phenomenon can not take place, therefore, tool correcting contraposition effect in assembling can be kept machining accuracy.
As shown in the above description, cutter holding device of the present utility model in design, the security that can have preferable clamping effect, collet chuck is preferable, and can produce correcting contraposition effect, can reach the purpose of this utility model really.
Claims (3)
1. the cutter holding device of a toolroom machine, be mounted in a main shaft below of this toolroom machine and be used for cutter of clamping, with together with cutter along with main axis rotation, this cutter holding device comprises: one is engaged on main shaft below and around the hilt of a upright axis, the collet chuck of a clamping cutter, and one be positioned collet chuck for nut on the hilt, this hilt comprises an inner ring surface, one outer ring surface, and one defined the installing hole that forms by inner ring surface, this collet chuck is to insert the installing hole of this hilt and the bottom is protruding exposes outside the hilt, this collet chuck comprises an awl embedding portion, and many axially up dissectd by the bottom respectively and the profile groove of inside and outside connection, between two adjacent profile grooves, form the jaw of a clamping cutter
It is characterized in that, the inner ring surface of this hilt has one and is positioned at end section and down enlarges gradually and lead portion for the awl of the corresponding embedding of this awl embedding portion, it is 8 ° ± 1 ° with respect to the tapering of axis that this awl is led portion, the outer ring surface of this hilt has many external screw threads that are formed on the end section, this collet chuck comprises that also one is positioned at the resisted position of awl embedding subordinate side, and an intermediary is formed between awl embedding portion and resisted position and the location division of radial inward depression, this awl embedding portion has a male cone (strobilus masculinus) that cooperates awl to lead portion and down enlarge gradually, this resisted position have one down dwindle gradually be subjected to face, this nut comprises that a radial inward protrudes out and be nested with the convergence part in this periphery, location division, a lock-joining part that extends upward and be screwed onto this outer ring surface periphery from the convergence part outer rim, and pushing part that is formed on below, convergence part and this resisted position of corresponding pushing tow, this lock-joining part has many and is formed on inner peripheral surface and internal threads corresponding and external thread bolt connection, this pushing part then have a cooperation be subjected to face and down dwindle gradually in push away face.
2. the cutter holding device of toolroom machine according to claim 1, it is characterized in that, the inner ring surface of this hilt also has one and is formed on the portion that directly leads that awl is led the portion top and had identical section footpath, and this collet chuck comprises also that then one is formed on this awl embedding portion top and can cooperates the correcting portion that directly leads portion that embeds.
3. the cutter holding device of toolroom machine according to claim 1 and 2 is characterized in that, the resisted position of this collet chuck to be subjected to face be 60 ° with respect to the tapering of axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620159947 CN200977561Y (en) | 2006-11-28 | 2006-11-28 | Cutter clamping device for machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620159947 CN200977561Y (en) | 2006-11-28 | 2006-11-28 | Cutter clamping device for machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200977561Y true CN200977561Y (en) | 2007-11-21 |
Family
ID=38977945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620159947 Expired - Fee Related CN200977561Y (en) | 2006-11-28 | 2006-11-28 | Cutter clamping device for machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200977561Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102427902A (en) * | 2009-05-20 | 2012-04-25 | 比谷阿尔法股份有限公司 | Chuck Device |
| CN103707107A (en) * | 2014-01-06 | 2014-04-09 | 东莞市科隆实业有限公司 | Ultrahigh precision knife handle |
| CN103813876A (en) * | 2011-09-15 | 2014-05-21 | 翰默有限责任公司 | Clamping system and base, collet chuck and rotary tool therefor and method for mounting rotary tool in clamping system |
| CN103813876B (en) * | 2011-09-15 | 2016-11-30 | 翰默有限责任公司 | Clamping system and base components, chuck and throw and for the method installing throw in clamping system |
| CN106583808A (en) * | 2016-09-30 | 2017-04-26 | 浙江欣兴工具有限公司 | Rapidly installed cutter |
| CN107732604A (en) * | 2017-11-15 | 2018-02-23 | 镇江华京通讯科技有限公司 | A kind of inexpensive radio frequency (RF) coaxial connector |
| CN109318072A (en) * | 2018-09-28 | 2019-02-12 | 江苏柯润玺医疗科技发展有限公司 | The burr grinding device and its grinding method of workpiece |
| CN109623422A (en) * | 2019-01-17 | 2019-04-16 | 湖南南方机床有限公司 | A kind of broaching tool knife handle component |
| CN113059380A (en) * | 2021-03-29 | 2021-07-02 | 台州北平机床有限公司 | Automatic clamping mechanism |
-
2006
- 2006-11-28 CN CN 200620159947 patent/CN200977561Y/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102427902A (en) * | 2009-05-20 | 2012-04-25 | 比谷阿尔法股份有限公司 | Chuck Device |
| CN102427902B (en) * | 2009-05-20 | 2014-02-26 | 比谷阿尔法股份有限公司 | Chuck Device |
| US9878376B2 (en) | 2011-09-15 | 2018-01-30 | Haimer Gmbh | Clamping system and base, collet chuck and rotary tool therefor and method for mounting the rotary tool in the clamping system |
| CN103813876A (en) * | 2011-09-15 | 2014-05-21 | 翰默有限责任公司 | Clamping system and base, collet chuck and rotary tool therefor and method for mounting rotary tool in clamping system |
| CN103813876B (en) * | 2011-09-15 | 2016-11-30 | 翰默有限责任公司 | Clamping system and base components, chuck and throw and for the method installing throw in clamping system |
| CN103707107A (en) * | 2014-01-06 | 2014-04-09 | 东莞市科隆实业有限公司 | Ultrahigh precision knife handle |
| CN106583808A (en) * | 2016-09-30 | 2017-04-26 | 浙江欣兴工具有限公司 | Rapidly installed cutter |
| CN106583808B (en) * | 2016-09-30 | 2018-05-29 | 浙江欣兴工具有限公司 | A kind of ready-package cutter |
| CN107732604A (en) * | 2017-11-15 | 2018-02-23 | 镇江华京通讯科技有限公司 | A kind of inexpensive radio frequency (RF) coaxial connector |
| CN109318072A (en) * | 2018-09-28 | 2019-02-12 | 江苏柯润玺医疗科技发展有限公司 | The burr grinding device and its grinding method of workpiece |
| CN109318072B (en) * | 2018-09-28 | 2020-09-01 | 江苏柯润玺医疗科技发展有限公司 | Workpiece burr grinding device and grinding method thereof |
| CN109623422A (en) * | 2019-01-17 | 2019-04-16 | 湖南南方机床有限公司 | A kind of broaching tool knife handle component |
| CN109623422B (en) * | 2019-01-17 | 2024-03-22 | 湖南南方机床有限公司 | Broach handle of a knife subassembly |
| CN113059380A (en) * | 2021-03-29 | 2021-07-02 | 台州北平机床有限公司 | Automatic clamping mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |