CN105312943B - A kind of netted tapered sleeve self compensation centrifugation expansion High-speed Tool Shank - Google Patents
A kind of netted tapered sleeve self compensation centrifugation expansion High-speed Tool Shank Download PDFInfo
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- CN105312943B CN105312943B CN201510846514.3A CN201510846514A CN105312943B CN 105312943 B CN105312943 B CN 105312943B CN 201510846514 A CN201510846514 A CN 201510846514A CN 105312943 B CN105312943 B CN 105312943B
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- shank body
- tapered sleeve
- rear end
- netted
- end shank
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- 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
Abstract
A kind of netted tapered sleeve self compensation centrifugation expansion High-speed Tool Shank, the unitary solid structure that the handle of a knife shank body is made up of front end shank body and rear end shank body, front end shank body and rear end shank body are coaxial clyinder, and the diameter of front end shank body is less than rear end shank body, groove is enclosed in junction processing one around front end shank body on the end face of rear end shank body, and disk spring is installed in the trench；From the end face of front end shank body thread groove is opened up to along axis rear end shank body direction；In front end, the front end of shank body processes the shaft shoulder and is provided with fine thread and Gewindefreistiche；Netted tapered sleeve is socketed on the shank body outer wall of front end, closely-pitched locknut is installed on the fine thread of the front end shank body in front of netted tapered sleeve, the front and back end of netted tapered sleeve contacts with closely-pitched locknut, disk spring respectively；Cylindrical draw-in groove is inwardly opened up along axis from the end face of rear end shank body, the processing V-shaped tool changing groove on the outer wall of rear end shank body.The present invention has the advantages that big limit speed, good dynamic balancing type, rigidity and positional precision high intensity are big.
Description
Technical field
The present invention relates to field of machining, especially a kind of handle of a knife for being applied to high-speed cutting.
Background technology
, it is known that the system of connections that high-speed tool system is made up of main shaft, handle of a knife, chuck, cutter and clamp system, is used for
Main shaft couples with cutter.Tool system includes main shaft-handle of a knife interface and cutter-handle of a knife interface, and its core is handle of a knife.At present,
Traditional BT tool systems, due to the effect of centrifugal force, cause positioning precision and joint stiffness to be decreased obviously under high-speed condition.
In the presence of broach force, the axial location of cutter changes, and influences machining accuracy, it is impossible to meet the requirement of High-speed machining.
In order to adapt to requirement of the high-speed cutting processing to tool system, people design various advanced High-speed Tool Shanks and work
Tool system, for example：HSK handle of a knifes and SHOWA D-F-C handle of a knifes, wherein, HSK handle of a knifes take the conical surface and end face dual contact, hollow
Thin-walled, 1:The short wimble structure of 10 Small Tapers, and centrifugal force is converted into clamping using external-expanding type clamp system using hollow handle inside
Power.Joint stiffness when improve high speed to a certain extent between handle of a knife and main shaft, but still there is problems with：(1) limit
Rotating speed is still relatively low；(2) intensity and toughness is low, yielding fracture, not as the solid handle of a knife with rigid surface and toughness center portion；(3)
Outer expanding clamp system makes taper-face contact uneven, causes taper shank concentrated wear serious；(4) hollow structure makes handle of a knife collet segment
Reach, cutter Mold processing is big.
In addition, taper shank has been divided into cylinder shank body and tapered sleeve two parts by SHOWA D-F-C handle of a knifes, tapered sleeve end face is provided with dish
Spring.Under high-speed rotation, tapered sleeve makes up the radial clearance between tapered sleeve and main shaft axially movable.But under high-speed rotation,
Due to occurring new gap between tapered sleeve and cylindrical handle, so this handle of a knife radial rigidity under High-speed machining is still poor.
It is comprehensive described, the interface problem of main shaft-handle of a knife is solved, not only to ensure the coupling performance simulating between main shaft-handle of a knife,
Dynamic balance accuracy under also ensureing at a high speed, it is clear that existing handle of a knife not can solve problems.
The content of the invention
Present invention aim at provide a kind of limit speed significantly improve, the netted tapered sleeve self compensation that rigidity is high, intensity is big
Centrifugation expansion High-speed Tool Shank.
To achieve the above object, following technical scheme is employed：The invention mainly comprises handle of a knife shank body, the handle of a knife shank body
The unitary solid structure being made up of front end shank body and rear end shank body, front end shank body and rear end shank body are coaxial clyinder, and preceding
The diameter of shank body is held to be less than rear end shank body, groove is enclosed in the junction processing one around front end shank body on the end face of rear end shank body,
Disk spring is installed in the trench；From the end face of front end shank body thread groove is opened up to along axis rear end shank body direction；Preceding
Hold the front end processing shaft shoulder of shank body and be provided with fine thread and Gewindefreistiche；Netted tapered sleeve is socketed on the shank body outer wall of front end,
Closely-pitched locknut is installed, the front and back end of netted tapered sleeve is locked with closely-pitched respectively on the fine thread of the front end shank body in front of netted tapered sleeve
Female, disk spring contact；Cylindrical draw-in groove is inwardly opened up along axis from the end face of rear end shank body, on the outer wall of rear end shank body
Processing V-shaped tool changing groove.
Further, the rear end shank body of the handle of a knife shank body and DIN 69893-HSK-E40 1996-01 handle of a knife profile chis
It is very little consistent.
Further, the generally round table-like ring body structurc of the closely-pitched locknut, inner ring be screwed cylinder groove and with
The fine thread of front end shank body matches, and the male cone (strobilus masculinus) taper of closely-pitched locknut is 1:10.
Further, crack and strut to form mesh form at the surface interval of the netted tapered sleeve.
Further, the male cone (strobilus masculinus) taper of the netted tapered sleeve is 1:10.
Compared with prior art, the invention has the advantages that：
1st, handle of a knife shank body uses solid construction, strengthens anti-high frequency flutter ability.
2nd, the use of netted tapered sleeve structure, can reach limit speed higher, more suitable for High-speed machining.
3rd, retain the appearance and size of HSKE-40 handle of a knifes, there is good exchange performance with existing 1/10 taper main shaft.
4th, netted tapered sleeve and disk spring form fabricated structure, can effectively absorb the micro axial location of tapering basic circle
Error, to relax the manufacture difficulty of handle of a knife, realizes reliably two-way constraint；The precompressed effect of spring can also decay when cutting
Micro vibration, is beneficial to improve handle of a knife durability, improves machined surface roughness.
Brief description of the drawings
Fig. 1 is handle of a knife shank body axle side of the invention schematic diagram.
Fig. 2 is netted tapered sleeve axle side schematic diagram of the invention.
Fig. 3 is netted tapered sleeve schematic front view of the invention.
Fig. 4 is axle side of the invention schematic diagram.
Fig. 5 is the schematic front view that the present invention is connected with main shaft.
Drawing reference numeral：1 is handle of a knife shank body, 1-1 is front end shank body, 1-2 is rear end shank body, 2 is groove, 3 is disk spring,
4 is thread groove, 5 is fine thread, 6 is Gewindefreistiche, 7 is netted tapered sleeve, 8 is closely-pitched locknut, 9 is cylinder draw-in groove, 10
For V-type tool changing groove, 11 be main shaft, 12 be blind rivet.
Specific embodiment
The present invention will be further described below in conjunction with the accompanying drawings：
As shown in figs. 1 and 4, the invention mainly comprises handle of a knife shank body 1, the handle of a knife shank body be by front end shank body 1-1 and after
The unitary solid structure of end shank body 1-2 compositions, rear end shank body and DIN 69893-HSK-E401996-01 handle of a knifes appearance and size one
Cause, front end shank body and rear end shank body are coaxial clyinder, and the diameter of front end shank body is less than rear end shank body, the end of shank body in rear end
Groove 2 is enclosed in junction processing one on face around front end shank body, and disk spring 3 is installed in the trench；From the end face of front end shank body
Thread groove 4 is opened up to along axis rear end shank body direction, is connected for being tensed with blind rivet；The front end processing axle of shank body in front end
Shoulder is simultaneously provided with fine thread 5 and Gewindefreistiche 6, and fine thread and Gewindefreistiche are used for the fixed and positioned of closely-pitched locknut；
Netted tapered sleeve 7 is socketed on the shank body outer wall of front end, closely-pitched lock is installed on the fine thread of the front end shank body in front of netted tapered sleeve
Female 8, the front and back end of netted tapered sleeve contacts with closely-pitched locknut, disk spring respectively；The generally round table-like ring body of closely-pitched locknut
Structure, inner ring is screwed cylinder groove and matches with the fine thread of front end shank body, the male cone (strobilus masculinus) taper of closely-pitched locknut
It is 1:10, for coordinating with inner hole of spindle；Cylindrical draw-in groove 9 is inwardly opened up along axis from the end face of rear end shank body；In rear end
Processing V-shaped tool changing groove 10 on the outer wall of shank body, for automatic tool changer.
Butterfly spring can not only be easily carried out handle of a knife also has the effect of buffering absorbing with the dual contact of main shaft.
As shown in Figure 2,3, then the form cracked on netted tapered sleeve radially slowly struts tapered sleeve for interval is cracked,
Make the shape of the slowly flare up mesh of cracking on tapered sleeve.Now the inside and outside footpath of tapered sleeve can all increase, and increase tapered sleeve circumference side
Upward elasticity.Grinding finally is carried out to tapered sleeve endoporus and male cone (strobilus masculinus), it is ensured that the size essence of its inner cylinder face and male cone (strobilus masculinus)
The requirement of degree and roughness.The male cone (strobilus masculinus) taper of the netted tapered sleeve is 1:10.
It is specific when installing, as shown in figure 5, handle of a knife shank body is loaded into main shaft 11 first, the netted conical surface in handle of a knife shank body with
The main shaft conical surface overlaps, and the joint of rear end shank body and front end shank body forms end face of flange, between end face of flange and main shaft end face according to
So leave portion gap.Handle of a knife shank body part continues to be moved to inside main shaft under the broach force effect of blind rivet 12.It is now dish-shaped
Spring is subject to the pressure at both sides of handle of a knife shank body and netted tapered sleeve, and elastic deformation occurs under the effect of this pressure, stores certain bullet
Power, the micro pretightning force of shaking when the precompressed effect of disk spring can cut down cutting is conducive to improving cutting wear, improves
Machined surface quality.At this moment netted tapered sleeve front end face and closely-pitched locknut rear end face are separated, and occur certain gap therebetween.
Under the tightening force effect of blind rivet, the end face of flange of final handle of a knife shank body and the end contact of main shaft complete to install.
Handle of a knife uses the fabricated structure of netted tapered sleeve and disk spring, by the axial displacement of netted tapered sleeve, Ke Yiyou
Effect ground absorbs the micro axial positioning errors of tapering basic circle, reduces the manufacture difficulty of handle of a knife, and in the absence of the problem of interchangeability,
Two-way constraint can be reliably achieved.
During High-speed machining, main shaft inner conical surface, netted tapered sleeve, handle of a knife shank body all occur in various degree under the influence of centrifugal force
Elastic expansion, wherein main shaft inner conical surface expansion more than netted tapered sleeve more than handle of a knife shank body expansion.Therefore in main shaft inner cone
Gap is produced between face and netted tapered sleeve male cone (strobilus masculinus), between netted tapered sleeve endoporus and front end shank body.Due to being stored up before disk spring
Deposit in the presence of elastic force, netted tapered sleeve is moved axially, between compensating between main shaft inner conical surface and netted tapered sleeve male cone (strobilus masculinus)
Gap.In the presence of disk spring, contact force is produced between main shaft inner conical surface and netted tapered sleeve, it is netted in the presence of contact force
Tapered sleeve shrinks, and mesh diminishes, and netted tapered sleeve internal diameter shrinks to make up the gap that netted tapered sleeve endoporus and front end shank body are produced.
The coupling performance simulating higher so as to ensure that handle of a knife-main shaft, can realize the processing under rotating speed higher.Relative to HSK tool systems,
This handle of a knife-main shaft has bigger radial interference amount, is 2~5 times of HSK.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to model of the invention
Enclose and be defined, on the premise of design spirit of the present invention is not departed from, those of ordinary skill in the art are to technical side of the invention
Various modifications and improvement that case is made, all should fall into the protection domain of claims of the present invention determination.
Claims (4)
1. a kind of netted tapered sleeve self compensation centrifugation expansion High-speed Tool Shank, mainly includes handle of a knife shank body, it is characterised in that：The handle of a knife
The unitary solid structure that shank body is made up of front end shank body and rear end shank body, front end shank body and rear end shank body are coaxial clyinder,
And the diameter of front end shank body is less than rear end shank body, ditch is enclosed in the junction processing one around front end shank body on the end face of rear end shank body
Groove, installs disk spring in the trench；From the end face of front end shank body thread groove is opened up to along axis rear end shank body direction；
The front end processing shaft shoulder of front end shank body is simultaneously provided with fine thread and Gewindefreistiche；Netted cone is socketed on the shank body outer wall of front end
Set, installs closely-pitched locknut on the fine thread of the front end shank body in front of netted tapered sleeve, the front and back end of netted tapered sleeve respectively with carefully
Tooth locknut, disk spring contact；Cylindrical draw-in groove is inwardly opened up along axis from the end face of rear end shank body, shank body is outer in rear end
Processing V-shaped tool changing groove on wall.
2. a kind of netted tapered sleeve self compensation centrifugation according to claim 1 expands High-speed Tool Shank, it is characterised in that：It is described thin
The generally round table-like ring body structurc of tooth locknut, inner ring is screwed cylinder groove and matches with the fine thread of front end shank body
Set, the male cone (strobilus masculinus) taper of closely-pitched locknut is 1:10.
3. a kind of netted tapered sleeve self compensation centrifugation according to claim 1 expands High-speed Tool Shank, it is characterised in that：Described
Crack and strut to form mesh form in the surface interval of netted tapered sleeve.
4. a kind of netted tapered sleeve self compensation centrifugation according to claim 1 expands High-speed Tool Shank, it is characterised in that：The net
The male cone (strobilus masculinus) taper of shape tapered sleeve is 1:10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510846514.3A CN105312943B (en) | 2015-11-27 | 2015-11-27 | A kind of netted tapered sleeve self compensation centrifugation expansion High-speed Tool Shank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510846514.3A CN105312943B (en) | 2015-11-27 | 2015-11-27 | A kind of netted tapered sleeve self compensation centrifugation expansion High-speed Tool Shank |
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| Publication Number | Publication Date |
|---|---|
| CN105312943A CN105312943A (en) | 2016-02-10 |
| CN105312943B true CN105312943B (en) | 2017-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510846514.3A Active CN105312943B (en) | 2015-11-27 | 2015-11-27 | A kind of netted tapered sleeve self compensation centrifugation expansion High-speed Tool Shank |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106624005A (en) * | 2016-12-23 | 2017-05-10 | 燕山大学 | High-speed tool holder with corrugated taper sleeve achieving self-compensation centrifugal expansion |
| CN111604720B (en) * | 2020-06-03 | 2021-07-06 | 哈尔滨工业大学 | Unbalance correction method for diamond micro-diameter milling cutter |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7325471B2 (en) * | 2004-09-07 | 2008-02-05 | Kennametal Inc. | Toolholder and cutting insert for a toolholder assembly |
| CN102211315B (en) * | 2011-04-14 | 2012-12-19 | 郑州市钻石精密制造有限公司 | Fixture special for grinding and machining of HSK (Hohl Schaft Kegel) shank series cutter |
| CN202763670U (en) * | 2012-09-29 | 2013-03-06 | 郑州市嵩阳煤机制造有限公司 | External grinding machining tool for hollow shafts |
| CN103286604B (en) * | 2013-05-24 | 2015-04-08 | 燕山大学 | Dynamic compensation high-speed hilt |
| CN203917956U (en) * | 2014-06-23 | 2014-11-05 | 成都与俱科技有限公司 | The accurate self-locking device of HSK handle of a knife |
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- 2015-11-27 CN CN201510846514.3A patent/CN105312943B/en active Active
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| CN105312943A (en) | 2016-02-10 |
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