CN209716470U - A kind of numerical control vertical lathe oil-bath type main shaft - Google Patents
A kind of numerical control vertical lathe oil-bath type main shaft Download PDFInfo
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- CN209716470U CN209716470U CN201822245117.2U CN201822245117U CN209716470U CN 209716470 U CN209716470 U CN 209716470U CN 201822245117 U CN201822245117 U CN 201822245117U CN 209716470 U CN209716470 U CN 209716470U
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- pull rod
- main shaft
- oil
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- positioning disk
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Abstract
The utility model discloses a kind of numerical control vertical lathe oil-bath type main shafts, further include positioning disk pull rod, and the positioning disk pull rod runs through the chuck, and top connects the location tray；Further include main shaft, clamp pull rod, spindle jacket, oild chuck flange, back leakage connection, fuel inlet fitting and lower axle pressure cap；The outside for clamping pull rod and being socketed on the positioning disk pull rod, the main shaft are socketed on the outside for clamping pull rod；The oild chuck flanged joint is in the chuck lower end；The spindle jacket is wrapped in outside the main shaft, is in contact with the oild chuck flange；The lower axle pressure cap spiral shell is connected in the spindle jacket lower end, and side is equipped with the fuel inlet fitting, and the other side is equipped with the back leakage connection；The fuel inlet fitting is communicated with the spindle jacket, and the back leakage connection passes through the lower axle pressure cap；It further include oil cylinder, the oil cylinder is connected to the end of the positioning disk pull rod.The utility model avoid similar machine tool chief axis grease lubrication without filling, bearing life it is short, can only with regenerate repair the drawbacks of.
Description
Technical field
The utility model relates to numerically controlled lathe field, specially a kind of numerical control vertical lathe oil-bath type main shaft.
Background technique
For numerically controlled lathe when processing to workpiece, main axle unit can all carry the fortune of high revolving speed, long-time, high load capacity
Carry, since gap is larger between bearing, friction acutely, therefore will cause main shaft internal friction coefficient raising, temperature at any time by
Step rises, and causes main shaft and the irreversible damage of internal bearings.In order to avoid such case, existing main axle unit and inside
Bearing portions protects main axle unit without filling and shock-resistant member being arranged by main shaft grease lubrication, however still can not
The phenomenon that main shaft internal temperature is excessively high, friction is serious is solved, or even can also occupy more running spaces.
Utility model content
To solve the above problems, the utility model provides the following technical solutions: a kind of numerical control vertical lathe oil-bath type main shaft, including
Chuck, location tray, tray seat and adjustment screw；The tray seat spiral shell is connected in below the location tray；The adjustment screw
It is installed on one end of the location tray；It further include positioning disk pull rod, the positioning disk pull rod runs through the chuck, top connection
The location tray；Further include main shaft, clamp pull rod, spindle jacket, oild chuck flange, back leakage connection, fuel inlet fitting and under
Bearing gland；The outside for clamping pull rod and being socketed on the positioning disk pull rod, the main shaft are socketed on the clamping pull rod
It is external；The oild chuck flanged joint is in the chuck lower end；The spindle jacket is wrapped in outside the main shaft, and described
Oild chuck flange is in contact；The lower axle pressure cap spiral shell is connected in the spindle jacket lower end, and side is equipped with the oil inlet and connects
Head, the other side are equipped with the back leakage connection；The fuel inlet fitting is communicated with the spindle jacket, and the back leakage connection passes through institute
State lower axle pressure cap；It further include oil cylinder, the oil cylinder is connected to the end of the positioning disk pull rod.
Preferably, further including Biserial cylindrical roller bearing, bidirectional angular contact thrust ball bearing, the double-row cylindrical roller axis
It holds and is installed between the main shaft and the spindle jacket, the bidirectional angular contact thrust ball bearing is installed on the biserial cylinder
Below roller bearing；Between the bidirectional angular contact thrust ball bearing and the Biserial cylindrical roller bearing embedded with middle (center) bearing every
Set.
Preferably, further include oil seal of pull rod seat and upper bearing (metal) gland, fixed the clampings pull rod of the oil seal of pull rod seat with
The oild chuck flange, the fixed main shaft of the upper bearing (metal) gland and the spindle jacket.
Preferably, further including interior packet skeleton lip shape oil sealing, the interior packet skeleton lip shape oil sealing is encapsulated in the pull rod oil respectively
It seals at seat and at the upper bearing (metal) gland.
Preferably, the oil cylinder is connect with the positioning disk pull rod by cylinder installation seat.
Preferably, further including spindle pulley and synchronizing wheel, the synchronizing wheel is successively socketed on the spindle pulley
The outside of the main shaft, the spindle pulley are connected with the cylinder installation seat.
Compared with prior art, the beneficial effects of the utility model are as follows:
The utility model by setting Biserial cylindrical roller bearing and bidirectional angular contact thrust ball bearing reduce bearing it
Between gap, reduce coefficient of friction between bearing simultaneously by way of Ball Transmission, controlled so that temperature increases,
And each section bearing can repair replacement at any time, without being replaced to one-piece rotor shaft unit.By way of recycling oiling come
Main shaft inside is lubricated, makes frictional decrease to minimum, it can also be logical using oiling in the case where no oil injecting lubricating
Road carries out air-cooled interior circulation and cools down to main axle unit, thus ensure that the stabilization of temperature rise, improves the service life of bearing, more
Add and adapts to high revolving speed, long-time, high loaded process.
Detailed description of the invention
Fig. 1 is the utility model overall structure sectional view；
In figure: 1 chuck, 2 location trays, 3 tray seats, 4 adjustment screws, 5 positioning disk pull rods, 6 main shafts, 7 clamp pull rod, 8
Spindle jacket, 9 oild chuck flanges, 10 lower axle pressure caps, 11 fuel inlet fittings, 12 back leakage connections, 13 oil cylinders, the rolling of 14 biserial cylinders
Sub- bearing, 15 bidirectional angular contact thrust ball bearings, 16 middle (center) bearing spacers, 17 oil seal of pull rod seats, 18 upper bearing (metal) glands, packet bone in 19
Frame lip shape oil sealing, 20 cylinder installation seats, 21 belt pulleys, 22 synchronizing wheels.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, a kind of numerical control vertical lathe oil-bath type main shaft, including chuck 1, location tray 2, tray seat 3 and adjustment spiral shell
Bar 4；3 spiral shell of tray seat is connected in 2 lower section of location tray；The adjustment screw 4 is installed on the one of the location tray 2
End；It further include positioning disk pull rod 5, the positioning disk pull rod 5 runs through the chuck 1, and top connects the location tray 2；Also wrap
It includes main shaft 6, clamp pull rod 7, spindle jacket 8, oild chuck flange 9, back leakage connection 12, fuel inlet fitting 11 and lower axle pressure cap
10；The outside for clamping pull rod 7 and being socketed on the positioning disk pull rod 5, the main shaft 6 are socketed on the outer of the clamping pull rod 7
Portion；The oild chuck flange 9 is connected to 1 lower end of chuck；The spindle jacket 8 is wrapped in outside the main shaft 6, with institute
Oild chuck flange 9 is stated to be in contact；10 spiral shell of lower axle pressure cap is connected in 8 lower end of spindle jacket, and side is equipped with described
Fuel inlet fitting 11, the other side are equipped with the back leakage connection 12；The fuel inlet fitting 11 is communicated with the spindle jacket 8, described
Back leakage connection 12 passes through the lower axle pressure cap 10；It further include oil cylinder 13, the oil cylinder 13 is connected to the positioning disk pull rod 5
End.
In order to reduce the gap between bearing, reduces the friction between bearing using Ball Transmission, further include biserial cylinder
Roller bearing 14, bidirectional angular contact thrust ball bearing 15, the Biserial cylindrical roller bearing 14 be installed on the main shaft 6 with it is described
Between spindle jacket 8, the bidirectional angular contact thrust ball bearing 15 is installed on 14 lower section of Biserial cylindrical roller bearing；It is described
Middle (center) bearing spacer 16 is embedded between bidirectional angular contact thrust ball bearing 15 and the Biserial cylindrical roller bearing 14.
Other places are overflowed or leaked into after oiling between bearing in order to prevent, further include oil seal of pull rod seat 17 and upper bearing (metal)
Gland 18, the fixed clamping pull rod 7 of the oil seal of pull rod seat 17 and the oild chuck flange 9, the upper bearing (metal) gland 18
The fixed main shaft 6 and the spindle jacket 8.It further include interior packet skeleton lip shape oil sealing 19, the interior packet skeleton lip shape oil sealing 19
It is encapsulated at the oil seal of pull rod seat 17 and at the upper bearing (metal) gland 18 respectively.The oil cylinder 13 and the positioning disk pull rod 5 are logical
Cross the connection of cylinder installation seat 20.It further include spindle pulley 21 and synchronizing wheel 22, the synchronizing wheel 22 and the spindle pulley
21 are successively socketed on the outside of the main shaft 6, and the spindle pulley 21 is connected with the cylinder installation seat 20.
In conclusion the utility model is by the positioning disk pull rod 5 inside setting main shaft 6 and clamps pull rod 7, so that main shaft
6 diameter of axle overstriking, therefore the cutting moment of torque of main shaft 6 can be increased, increase the rigidity of main shaft Unit 6 itself, and double by setting
Line column roller bearing 14 and bidirectional angular contact thrust ball bearing 15 reduce the gap between bearing, pass through the side of Ball Transmission
Formula reduces the coefficient of friction between bearing simultaneously, is controlled so that temperature increases, and each section bearing can repair at any time
Replacement, without being replaced to one-piece rotor shaft unit.The setting of fuel inlet fitting 11 and back leakage connection 12, due to joint and main shaft
Housing 8 communicates, and is not having frictional decrease to minimum
Air-cooled interior circulation can also be carried out in the case where oil injecting lubricating using oiling channel to cool down to main axle unit, thus ensure that
The stabilization of temperature rise, improves the service life of bearing, more adapts to high revolving speed, long-time, high loaded process.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of numerical control vertical lathe oil-bath type main shaft, including chuck (1), location tray (2), tray seat (3) and adjustment screw (4)；
Tray seat (3) spiral shell is connected in below the location tray (2)；The adjustment screw (4) is installed on the location tray (2)
One end；It is characterized by also including positioning disk pull rod (5), the positioning disk pull rod (5) runs through the chuck (1), top connection
The location tray (2)；Further include main shaft (6), clamp pull rod (7), spindle jacket (8), oild chuck flange (9), oil return connect
Head (12), fuel inlet fitting (11) and lower axle pressure cap (10)；Clamping pull rod (7) is socketed on the positioning disk pull rod (5)
Outside, the main shaft (6) are socketed on the outside for clamping pull rod (7)；The oild chuck flange (9) is connected to the chuck
(1) lower end；The spindle jacket (8) is wrapped in the main shaft (6) outside, is in contact with the oild chuck flange (9)；It is described
Lower axle pressure cap (10) spiral shell is connected in the spindle jacket (8) lower end, and side is equipped with the fuel inlet fitting (11), other side installation
There are the back leakage connection (12)；The fuel inlet fitting (11) communicates with the spindle jacket (8), and the back leakage connection (12) passes through
The lower axle pressure cap (10)；It further include oil cylinder (13), the oil cylinder (13) is connected to the end of the positioning disk pull rod (5).
2. a kind of numerical control vertical lathe oil-bath type main shaft according to claim 1, it is characterised in that: further include double-row cylindrical roller
Bearing (14), bidirectional angular contact thrust ball bearing (15), the Biserial cylindrical roller bearing (14) be installed on the main shaft (6) with
Between the spindle jacket (8), the bidirectional angular contact thrust ball bearing (15) is installed on the Biserial cylindrical roller bearing
(14) lower section；Middle (center) bearing is embedded between the bidirectional angular contact thrust ball bearing (15) and the Biserial cylindrical roller bearing (14)
Spacer (16).
3. a kind of numerical control vertical lathe oil-bath type main shaft according to claim 1, it is characterised in that: further include oil seal of pull rod seat
(17) and upper bearing (metal) gland (18), the oil seal of pull rod seat (17) fix the clamping pull rod (7) and the oild chuck flange
(9), the fixed main shaft (6) of the upper bearing (metal) gland (18) and the spindle jacket (8).
4. a kind of numerical control vertical lathe oil-bath type main shaft according to claim 3, it is characterised in that: further include interior packet skeleton lip shape
Oil sealing (19), the interior packet skeleton lip shape oil sealing (19) is encapsulated at the oil seal of pull rod seat (17) respectively and the upper bearing (metal) gland
(18) at.
5. a kind of numerical control vertical lathe oil-bath type main shaft according to claim 1, it is characterised in that: the oil cylinder (13) with it is described
Positioning disk pull rod (5) is connected by cylinder installation seat (20).
6. a kind of numerical control vertical lathe oil-bath type main shaft according to claim 5, it is characterised in that: further include spindle pulley (21)
With synchronizing wheel (22), the synchronizing wheel (22) is successively socketed on the outside of the main shaft (6), institute with the spindle pulley (21)
Spindle pulley (21) is stated to be connected with the cylinder installation seat (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822245117.2U CN209716470U (en) | 2018-12-29 | 2018-12-29 | A kind of numerical control vertical lathe oil-bath type main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822245117.2U CN209716470U (en) | 2018-12-29 | 2018-12-29 | A kind of numerical control vertical lathe oil-bath type main shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209716470U true CN209716470U (en) | 2019-12-03 |
Family
ID=68678562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822245117.2U Active CN209716470U (en) | 2018-12-29 | 2018-12-29 | A kind of numerical control vertical lathe oil-bath type main shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209716470U (en) |
-
2018
- 2018-12-29 CN CN201822245117.2U patent/CN209716470U/en active Active
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