CN204135351U - Ultrahigh speed vertical machining centre - Google Patents
Ultrahigh speed vertical machining centre Download PDFInfo
- Publication number
- CN204135351U CN204135351U CN201420487202.9U CN201420487202U CN204135351U CN 204135351 U CN204135351 U CN 204135351U CN 201420487202 U CN201420487202 U CN 201420487202U CN 204135351 U CN204135351 U CN 204135351U
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- CN
- China
- Prior art keywords
- main shaft
- oil
- mount pad
- spindle nose
- air inlet
- 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 - Lifetime
Links
- 238000003754 machining Methods 0.000 title claims abstract description 11
- 230000003068 static effect Effects 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 230000008878 coupling Effects 0.000 claims abstract description 8
- 238000010168 coupling process Methods 0.000 claims abstract description 8
- 238000005859 coupling reaction Methods 0.000 claims abstract description 8
- 238000005520 cutting process Methods 0.000 description 5
- 238000010079 rubber tapping Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005555 metalworking Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
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- Auxiliary Devices For Machine Tools (AREA)
- Turning (AREA)
Abstract
The utility model discloses ultrahigh speed vertical machining centre, comprise machine tool main body, spindle nose, tool magazine, main shaft, shaft coupling, straight knot motor base and spindle motor, it is characterized in that: the sidewall of described main shaft mount pad is provided with air inlet, relief port and oil-in, air inlet and relief port are connected with the gas static pressure chamber on main shaft mount pad inner chamber top respectively, oil-in is connected with the cavity of main shaft mount pad inner chamber bottom, the bottom outer wall of main shaft is provided with the oil-out of screw type oil groove and screw type oil groove end, the screw type oil groove of main shaft is positioned at the cavity of main shaft mount pad inner chamber bottom, oil-in is connected with oil cooling apparatus respectively by oil pipe with oil-out, air inlet is connected with air accumulator by tracheae.This ultrahigh speed vertical machining centre, adopts gas static pressure to realize the ultrahigh speed running of main shaft, adopts main shaft oil cooling to realize its temperature when main shaft runs up and maintain in prescribed limit, achieve high-speed and high-efficiency high accuracy and complete minute aperture processing.
Description
Technical field
The utility model relates to a kind of improvement of vertical machining centre, belong to numerical control machine tool technique field, a ultrahigh speed vertical machining centre specifically, it is a kind of metal-working plant integrating the functions such as milling, boring, brill, tapping, and is equipped with cutter automatic switching system-tool magazine.
Background technology
For a long time, minute aperture processing is the important need of mechanical processing industry always, technical staff is by finding the research of high-speed cutting: when processing cutting speed is very high, cutting-in reduces, feed speed is accelerated, under the condition that unit interval metal removal factor is identical, compared with conventional cutting, machine tool cutting force is little, and heating is also little, and crudy is high, therefore high-speed cutting blade obtains large-scale popularization application in production scene, has also promoted the fast development of high-speed machining center thus.
The current vertical machining center speed of mainshaft is 8000rpm, its weak point is: when the speed of mainshaft brings up to more than 10000rpm, the problem such as there will be that main shaft temperature rise is excessive, the excessive and precision of main spindle box vibration cannot ensure, causes lathe overall performance to get a promotion.
Summary of the invention
The purpose of this utility model is to provide in a kind of main tapping and is provided with gas static pressure chamber, the ultrahigh speed vertical machining centre operating stable when realizing main shaft 24000rpm High Rotation Speed.
In order to reach above object, the technical scheme that the utility model adopts is: this ultrahigh speed vertical machining centre, comprise machine tool main body, spindle nose, tool magazine, main shaft, shaft coupling, straight knot motor base and spindle motor, machine tool main body is provided with spindle nose and tool magazine, the top of spindle nose is fixed with spindle motor by straight knot motor base, spindle nose comprises spindle nose casing and main shaft mount pad, spindle nose casing internal fixtion is provided with main shaft mount pad, main shaft is arranged in main shaft mount pad, the top of main shaft is fixedly connected with spindle motor by shaft coupling, it is characterized in that: the sidewall of described main shaft mount pad is provided with air inlet, relief port and oil-in, air inlet and relief port are connected with the gas static pressure chamber on main shaft mount pad inner chamber top respectively, oil-in is connected with the cavity of main shaft mount pad inner chamber bottom, the bottom outer wall of main shaft is provided with the oil-out of screw type oil groove and screw type oil groove end, the screw type oil groove of main shaft is positioned at the cavity of main shaft mount pad inner chamber bottom, oil-in is connected with oil cooling apparatus respectively by oil pipe with oil-out, air inlet is connected with air accumulator by tracheae.
The maximum speed 24000rpm of described spindle motor.
The beneficial effects of the utility model are: adopt gas static pressure to realize the ultrahigh speed running of main shaft, adopt main shaft oil cooling to realize its temperature when main shaft runs up and maintain in prescribed limit, achieve high-speed and high-efficiency high accuracy and complete minute aperture processing.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structure cross-sectional schematic of spindle nose of the present utility model.
In figure: 1, machine tool main body; 2, spindle nose; 3, tool magazine; 4, oil cooling apparatus; 5, air accumulator; 6, main shaft; 7, shaft coupling; 8, directly motor base is tied; 9, spindle motor; 21, spindle nose casing; 22, main shaft mount pad; 23, oil-in; 24, air inlet; 25, relief port; 26, gas static pressure chamber; 27, oil-out; 28, tracheae; 29, oil pipe.
Detailed description of the invention
The utility model is made with reference to Fig. 1, Fig. 2.This ultrahigh speed vertical machining centre, comprise machine tool main body 1, spindle nose 2, tool magazine 3, main shaft 6, shaft coupling 7, straight knot motor base 8 and spindle motor 9, machine tool main body 1 is provided with spindle nose 2 and tool magazine 3, the top of spindle nose 2 is fixed with spindle motor 9 by straight knot motor base 8, spindle nose 2 comprises spindle nose casing 21 and main shaft mount pad 22, spindle nose casing 21 internal fixtion is provided with main shaft mount pad 22, main shaft 6 is arranged in main shaft mount pad 22, the top of main shaft 6 is fixedly connected with spindle motor 9 by shaft coupling 7, this is prior art, it is characterized in that: the sidewall of described main shaft mount pad 22 is provided with air inlet 24, relief port 25 and oil-in 23, air inlet 24 and relief port 25 are connected with the gas static pressure chamber 26 on main shaft mount pad 22 inner chamber top respectively, oil-in 23 is connected with the cavity of main shaft mount pad 22 inner chamber bottom, the bottom outer wall of main shaft 6 is provided with the oil-out 27 of screw type oil groove and screw type oil groove end, the screw type oil groove of main shaft 6 is positioned at the cavity of main shaft mount pad 22 inner chamber bottom, oil-in 23 is connected with oil cooling apparatus 4 respectively by oil pipe 29 with oil-out 27, air inlet 24 is connected with air accumulator 5 by tracheae 28.
Described spindle motor 9 is Mitsubishi SJ-VL15-25, maximum speed 24000rpm, is the maximum speed that current direct-connected main shaft motor can reach.
Described air accumulator 5 is provided with valve, gas in air accumulator 5 enters in gas static pressure chamber 26 by air inlet 24, forms gas static pressure state, when main shaft 6 rotates in gas static pressure chamber 26, all the time be in gas static pressure state in gas static pressure chamber 26, ensure precision during main shaft 6 High Rotation Speed; Described oil cooling apparatus 4 is prior art, cold oil in oil cooling apparatus 4 flows into the inner chamber bottom of main shaft mount pad 22 from oil-in 23 by oil pipe 29, flow downward along the screw type oil groove on main shaft 6 again, cold oil enters oil-out 27, finally be back to oil cooling apparatus 4, so repeatedly circulating cooling is carried out to main shaft 6, ensure that the temperature of main shaft 6 maintains in prescribed limit.
Claims (2)
1. ultrahigh speed vertical machining centre, comprise machine tool main body (1), spindle nose (2), tool magazine (3), main shaft (6), shaft coupling (7), straight knot motor base (8) and spindle motor (9), machine tool main body (1) is provided with spindle nose (2) and tool magazine (3), the top of spindle nose (2) is fixed with spindle motor (9) by directly tying motor base (8), spindle nose (2) comprises spindle nose casing (21) and main shaft mount pad (22), spindle nose casing (21) internal fixtion is provided with main shaft mount pad (22), main shaft (6) is arranged in main shaft mount pad (22), the top of main shaft (6) is fixedly connected with spindle motor (9) by shaft coupling (7), it is characterized in that: the sidewall of described main shaft mount pad (22) is provided with air inlet (24), relief port (25) and oil-in (23), air inlet (24) and relief port (25) are connected with the gas static pressure chamber (26) on main shaft mount pad (22) inner chamber top respectively, oil-in (23) is connected with the cavity of main shaft mount pad (22) inner chamber bottom, the bottom outer wall of main shaft (6) is provided with the oil-out (27) of screw type oil groove and screw type oil groove end, the screw type oil groove of main shaft (6) is positioned at the cavity of main shaft mount pad (22) inner chamber bottom, oil-in (23) is connected with oil cooling apparatus (4) respectively by oil pipe (29) with oil-out (27), air inlet (24) is connected with air accumulator (5) by tracheae (28).
2. ultrahigh speed vertical machining centre according to claim 1, is characterized in that: the maximum speed 24000rpm of described spindle motor (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420487202.9U CN204135351U (en) | 2014-08-28 | 2014-08-28 | Ultrahigh speed vertical machining centre |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420487202.9U CN204135351U (en) | 2014-08-28 | 2014-08-28 | Ultrahigh speed vertical machining centre |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204135351U true CN204135351U (en) | 2015-02-04 |
Family
ID=52412069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420487202.9U Expired - Lifetime CN204135351U (en) | 2014-08-28 | 2014-08-28 | Ultrahigh speed vertical machining centre |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204135351U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106736784A (en) * | 2017-01-11 | 2017-05-31 | 宁波马可机电有限公司 | A kind of gantry machining center separate type gear direct-connected main shaft header structure |
| CN110142644A (en) * | 2019-05-31 | 2019-08-20 | 东莞市乔锋机械有限公司 | A kind of cooling isolating device of machining center spindle motor |
-
2014
- 2014-08-28 CN CN201420487202.9U patent/CN204135351U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106736784A (en) * | 2017-01-11 | 2017-05-31 | 宁波马可机电有限公司 | A kind of gantry machining center separate type gear direct-connected main shaft header structure |
| CN110142644A (en) * | 2019-05-31 | 2019-08-20 | 东莞市乔锋机械有限公司 | A kind of cooling isolating device of machining center spindle motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150204 |