CN104785864A - Machining mechanism of numerical control machine tool - Google Patents
Machining mechanism of numerical control machine tool Download PDFInfo
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- CN104785864A CN104785864A CN201510184769.8A CN201510184769A CN104785864A CN 104785864 A CN104785864 A CN 104785864A CN 201510184769 A CN201510184769 A CN 201510184769A CN 104785864 A CN104785864 A CN 104785864A
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- cutter head
- knife bar
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Abstract
A machining mechanism of a numerical control machine tool comprises a tool bar connected with a spindle and a tool bit connected with the tool bar. The tool bit is a two-blade tool bit or a three-blade tool bit or a four-blade tool bit or a six-blade tool bit, and the ratio of the diameter of the smallest part of the tool bit to the diameter of the largest part of the tool bit is 0.55-0.8:1. A through hole is formed inside the tool bit along the axis of the tool bit. The head of the tool bar is inserted into the spindle, the tail of the tool bar is in an inverted cone shape and is connected with the tool bit, and the ratio of the diameter of the end of the tail to the diameter of the tool bit is smaller than or equal to 1.7:1. The ratio of the diameter of the end of the spindle to the diameter of the head of the tool bar is smaller than or equal to 1.5:1. The conicity of the head of the tool bar is smaller than or equal to 2 degrees. The ratio of the length of the tail of the tool bar to the length of the part, exposed out of the tool bar, of the tool bit is smaller than or equal to 2.5:1, and/or, the length of the part, exposed out of the tool bar, of the tool bit is smaller than or equal to four times the diameter of the tool bit. The machining mechanism has the advantages of being flexible to operate, high in working efficiency and long in service life.
Description
Technical field
The present invention relates to a kind of Digit Control Machine Tool, particularly a kind of organisation of working of Digit Control Machine Tool.
Background technology
Chinese patent literature CN 102059408 A disclosed a kind of main shaft device of chain digital control gear hobbing machine for 05 month on the 18th in 2011, this main shaft device comprises knife bar assembly, knife bar assembly clamping body and cutter-exchange mechanism, knife bar assembly is by knife bar, hobboing cutter, toolsetting pad, and axle sleeve, locking nut and knife bar blind rivet are formed.Knife bar assembly clamping body is made up of square key and claw assembly, and cutter-exchange mechanism is made up of pull bar, piston rod, disk spring, cylinder body, ring flange, support, swivel joint and limit switch.During this chain digital control gear hobbing machine work, processing is difficult to for trickle place, makes user's not too satisfaction.
Summary of the invention
Object of the present invention aim to provide a kind of simple and reasonable, flexible operation, operating efficiency are high, the organisation of working of the Digit Control Machine Tool of long service life, to overcome weak point of the prior art.
The organisation of working of a kind of Digit Control Machine Tool designed by this object, comprise the knife bar connected with main shaft, the cutter head connected with knife bar, its architectural feature is cutter head is two-edged cutter head, 3-edge surgical knife head, four angle of throat heads or six angle of throat heads, and the minimum place diameter on cutter head is 0.55 ~ 0.8:1 with maximum diameter ratio.
Further, be provided with through hole in described cutter head, this through hole is arranged along the axis of cutter head.
Further, the head of described knife bar is inserted in main shaft, and the afterbody of knife bar is back taper, and this afterbody connects with cutter head, and the ratio of the end diameter of afterbody and the diameter of cutter head is less than or equal to 1.7:1.
Further, the ratio of the diameter of the diameter of described spindle nose and the head of knife bar is less than or equal to 1.5:1.
Further, the tapering of the head of described knife bar is less than or equal to 2 degree.
Further, the tapering of the afterbody of described knife bar is less than or equal to 10 degree and is more than or equal to 3 degree.
Further, the ratio that the length of the afterbody of described knife bar and cutter head expose the length at the position of knife bar is less than or equal to 2.5:1; Or the length that cutter head exposes the position of knife bar is less than or equal to four times of tool bit diameter.
Further, described bit interface is coated with ultra micro granulosa.
Further, described ultra micro granulosa is ultra micron TiAlN ALTIN layer, ultra micron silicon aluminum nitrides titanium AlTiSiN layer or ultra micron titanium nitride TIN layer.
Cutter head in the present invention is two-edged cutter head, 3-edge surgical knife head, four angle of throat heads or six angle of throat heads, minimum place diameter on cutter head is 0.55 ~ 0.8:1 with maximum diameter ratio, can respectively for the machined material of differing texture, select better cutter head, the caloric value of processing can be reduced greatly, extend the service life of cutter head; Further, cutter head is not easy to burst apart, and chip removal is also comparatively easy.
The head of knife bar is inserted in main shaft by the present invention, and the afterbody of knife bar is back taper, and this afterbody connects with cutter head, and the ratio of the end diameter of afterbody and the diameter of cutter head is less than or equal to 1.7:1; Make cutter head can enter into the machining area of relative narrower, and the processing intensity of cutter head can be kept.
The present invention is coated with ultra micro granulosa at bit interface, improves case hardness and the peel resistance of cutter head, thus improves the processing characteristics of cutter head, roughing can be directly carried out to fine finishining to heat treatment die, reduce number of changing knife, improve the working (machining) efficiency of Digit Control Machine Tool, reduce cost of manufacture.
The ratio of the diameter of the diameter of the spindle nose in the present invention and the head of knife bar is less than or equal to 1.5:1; The tapering of the head of knife bar is less than or equal to 2 degree; Adding man-hour, effectively can prevent the head of knife bar from producing relative to spindle nose and swing, thus guarantee crudy.
The ratio that the length at the back taper position of the knife bar in the present invention and cutter head expose the length at the position of knife bar is less than or equal to 2.5:1; Or the length that cutter head exposes the position of knife bar is less than or equal to four times of tool bit diameter; The rigidity of cutter head can be improved, prevent cutter head work in-process from affecting crudy because of distortion.
The present invention have simple and reasonable, flexible operation, operating efficiency are high and the feature of long service life.
Accompanying drawing explanation
Fig. 1 is the biopsy cavity marker devices schematic diagram of one embodiment of the invention.
Fig. 2 is the end face enlarged diagram of the first application examples of cutter head.
Fig. 3 is the end face enlarged diagram of the second application examples of cutter head.
Fig. 4 is the end face enlarged diagram of the 3rd application examples of cutter head.
Fig. 5 is the end face enlarged diagram of the 4th application examples of cutter head.
In figure: 1 is main shaft, 2 is knife bar, and 2.1 is afterbody, and 3 is cutter head, and centered by 3.1 hole.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
See Fig. 1-Fig. 5, the organisation of working of this Digit Control Machine Tool, comprises the knife bar 2 connected with main shaft 1, the cutter head 3 connected with knife bar 2, described cutter head 3 is two-edged cutter head, 3-edge surgical knife head, four angle of throat heads or six angle of throat heads, and the minimum place diameter on cutter head 3 is 0.55 ~ 0.8:1 with maximum diameter ratio.
The present embodiment, is provided with through hole 3.1 in cutter head 3, this through hole 3.1 is arranged along the axis of cutter head 3.Temperature when air-cooled, oil cooling or emulsion reduce cutter head work can be carried out by this through hole.Wherein, required cold wind, mist of oil or fluid and emulsion can be provided by the cooling body be arranged on Digit Control Machine Tool.Such as, by being arranged on the passage that main shaft, knife bar are connected with through hole 3.1.
The head of knife bar 2 is inserted in main shaft 1, and the afterbody 2.1 of knife bar 2 is in back taper, and this afterbody 2.1 connects with cutter head 3, and the ratio of the end diameter D5 of afterbody 2.1 and the diameter D6 of cutter head 3 is less than or equal to 1.7:1.Certainly, the ratio of the diameter D2 of the diameter D1 of main shaft 1 end and the head of knife bar 2 is less than or equal to 1.5:1 is reasonable selection.
The ratio of the diameter D2 of the diameter D1 of main shaft 1 end and the head of knife bar 2 is less than or equal to 1.5:1.
The tapering α of the head of knife bar 2 is less than or equal to 2 degree.
The tapering β of the afterbody 2.1 of knife bar 2 is less than or equal to 10 degree and is more than or equal to 3 degree.
The ratio that the length L1 of the afterbody 2.1 of knife bar 2 and cutter head 3 expose the length L2 at the position of knife bar 2 is less than or equal to 2.5:1; Or the length L2 that cutter head 3 exposes the position of knife bar 2 is less than or equal to four times of cutter head 3 diameter.
Cutter head 3 surface coverage has ultra micro granulosa.In the present embodiment, ultra micro granulosa can be ultra micron TiAlN ALTIN layer, ultra micron silicon aluminum nitrides titanium AlTiSiN layer or ultra micron titanium nitride TIN layer.
The present invention is on the basis of guaranteeing knife bar intensity, by controlling the shape of knife bar 2 and having ultra micro granulosa in cutter head 3 surface coverage, can directly carry out roughing to fine finishining to heat treatment die, reduce number of changing knife, improve the working (machining) efficiency of Digit Control Machine Tool, conscientiously reduce cost of manufacture.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (9)
1. the organisation of working of a Digit Control Machine Tool, comprise the knife bar (2) connected with main shaft (1), the cutter head (3) connected with knife bar (2), it is characterized in that cutter head (3) is two-edged cutter head, 3-edge surgical knife head, four angle of throat heads or six angle of throat heads, the minimum place diameter on cutter head (3) is 0.55 ~ 0.8:1 with maximum diameter ratio.
2. the organisation of working of Digit Control Machine Tool according to claim 1, is characterized in that being provided with through hole (3.1) in described cutter head (3), and this through hole (3.1) is arranged along the axis of cutter head (3).
3. the organisation of working of Digit Control Machine Tool according to claim 1, it is characterized in that the head of described knife bar (2) is inserted in main shaft (1), the afterbody (2.1) of knife bar (2) is in back taper, this afterbody (2.1) connects with cutter head (3), and the end diameter (D5) of afterbody (2.1) is less than or equal to 1.7:1 with the ratio of the diameter (D6) of cutter head (3).
4. the organisation of working of Digit Control Machine Tool according to claim 1, is characterized in that the diameter (D1) of described main shaft (1) end is less than or equal to 1.5:1 with the ratio of the diameter (D2) of the head of knife bar (2).
5. the organisation of working of Digit Control Machine Tool according to claim 1, is characterized in that the tapering (α) of the head of described knife bar (2) is less than or equal to 2 degree.
6. the organisation of working of Digit Control Machine Tool according to claim 1, is characterized in that the tapering (β) of the afterbody (2.1) of described knife bar (2) is less than or equal to 10 degree and is more than or equal to 3 degree.
7. the organisation of working of Digit Control Machine Tool according to claim 1, the ratio that the length (L1) that it is characterized in that the afterbody (2.1) of described knife bar (2) and cutter head (3) expose the length (L2) at the position of knife bar (2) is less than or equal to 2.5:1; Or the length (L2) that cutter head (3) exposes the position of knife bar (2) is less than or equal to four times of cutter head (3) diameter.
8., according to the organisation of working of the arbitrary described Digit Control Machine Tool of claim 1 to 7, it is characterized in that described cutter head (3) surface coverage has ultra micro granulosa.
9. the organisation of working of Digit Control Machine Tool according to claim 8, is characterized in that described ultra micro granulosa is ultra micron aluminium nitride titanium layer, ultra micron silicon aluminum nitrides titanium layer or ultra micron titanium nitride layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510184769.8A CN104785864A (en) | 2015-04-20 | 2015-04-20 | Machining mechanism of numerical control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510184769.8A CN104785864A (en) | 2015-04-20 | 2015-04-20 | Machining mechanism of numerical control machine tool |
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| Publication Number | Publication Date |
|---|---|
| CN104785864A true CN104785864A (en) | 2015-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510184769.8A Pending CN104785864A (en) | 2015-04-20 | 2015-04-20 | Machining mechanism of numerical control machine tool |
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| CN (1) | CN104785864A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113510203A (en) * | 2020-04-10 | 2021-10-19 | 苏州云刚智能科技有限公司 | Trimming device and using method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080232911A1 (en) * | 2007-03-23 | 2008-09-25 | Hyatt Gregory A | Method and assembly for rotating a cutting insert during a turning operation and inserts used therein |
| CN201175778Y (en) * | 2008-03-17 | 2009-01-07 | 羊立民 | Borehole no-parking automatic cutter relieving device |
| CN101502897A (en) * | 2009-03-22 | 2009-08-12 | 大连经济技术开发区伊达工具有限公司 | High precision reamer |
| CN201316830Y (en) * | 2008-11-27 | 2009-09-30 | 哈尔滨汽轮机厂有限责任公司 | Rough milling cutter for concave groove |
| CN202701530U (en) * | 2012-06-29 | 2013-01-30 | 中国石油集团石油管工程技术研究院 | Off-axis turning tool rod for machining inner threads |
| CN104368861A (en) * | 2014-11-25 | 2015-02-25 | 湘潭大学 | High-rigidity knife handle device |
| CN104385023A (en) * | 2014-10-22 | 2015-03-04 | 湘潭大学 | Inner cooling damping heat-shrinkable tool bar device |
| CN204673097U (en) * | 2015-04-20 | 2015-09-30 | 中山市利群精密实业有限公司 | A kind of processing unit (plant) of Digit Control Machine Tool |
-
2015
- 2015-04-20 CN CN201510184769.8A patent/CN104785864A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080232911A1 (en) * | 2007-03-23 | 2008-09-25 | Hyatt Gregory A | Method and assembly for rotating a cutting insert during a turning operation and inserts used therein |
| CN201175778Y (en) * | 2008-03-17 | 2009-01-07 | 羊立民 | Borehole no-parking automatic cutter relieving device |
| CN201316830Y (en) * | 2008-11-27 | 2009-09-30 | 哈尔滨汽轮机厂有限责任公司 | Rough milling cutter for concave groove |
| CN101502897A (en) * | 2009-03-22 | 2009-08-12 | 大连经济技术开发区伊达工具有限公司 | High precision reamer |
| CN202701530U (en) * | 2012-06-29 | 2013-01-30 | 中国石油集团石油管工程技术研究院 | Off-axis turning tool rod for machining inner threads |
| CN104385023A (en) * | 2014-10-22 | 2015-03-04 | 湘潭大学 | Inner cooling damping heat-shrinkable tool bar device |
| CN104368861A (en) * | 2014-11-25 | 2015-02-25 | 湘潭大学 | High-rigidity knife handle device |
| CN204673097U (en) * | 2015-04-20 | 2015-09-30 | 中山市利群精密实业有限公司 | A kind of processing unit (plant) of Digit Control Machine Tool |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113510203A (en) * | 2020-04-10 | 2021-10-19 | 苏州云刚智能科技有限公司 | Trimming device and using method |
| CN113510203B (en) * | 2020-04-10 | 2024-02-20 | 三明学院 | Pruning device and using method |
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Application publication date: 20150722 |