CN206028746U - Vertical lathe spindle unit structure - Google Patents
Vertical lathe spindle unit structure Download PDFInfo
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- CN206028746U CN206028746U CN201620850868.5U CN201620850868U CN206028746U CN 206028746 U CN206028746 U CN 206028746U CN 201620850868 U CN201620850868 U CN 201620850868U CN 206028746 U CN206028746 U CN 206028746U
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- main shaft
- sleeve
- lathe spindle
- vertical lathe
- hole
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Abstract
The utility model discloses a vertical lathe spindle unit structure, including main shaft, sleeve, fore bearing group, rear bearing group, band pulley and angling cylinder, this sleeve ring cover is peripheral in the main shaft, and fore bearing group presss from both sides and locates between sleeve upper end and the main shaft, and rear bearing group presss from both sides and locates between sleeve lower extreme and the main shaft, and the band pulley combines with the lower extreme of main shaft, and the band pulley be hollow structure, and the angling cylinder is convenient for assemble and maintain inside being located this hollow structure, and compact structure.
Description
Technical field
This utility model is related to a kind of vertical lathe spindle cellular construction.
Background technology
Sleeve is coordinated with the upper and lower side of base foundry goods, therefore requirement on machining accuracy is high, should ensure the chi of upper and lower two axle journal
Very little precision, ensures the coaxial requirement of upper and lower two axle journal, again with larger difficulty；In addition, traditional sleeve lower end needs one
The shaft shoulder of bearing outer ring after individual fixation, and sleeve plus man-hour requirement turn around boring, be more difficult to ensure that coaxially will for front and rear gaps
Ask；Meanwhile, the main axle unit assembling of traditional structure is relatively difficult, because while will ensure that upper and lower two axle journal is matched somebody with somebody with base foundry goods
Close, often waste time and energy by the way of with axle journal under car in practical operation, if there is the situation with car excess, will
Sleeve is caused to be scrapped.
Belt wheel is connected generally in the form of the connection of radial direction flat key with main shaft, and splining in the radial direction of main shaft to affect master
The intensity of axle, while large effect can be produced to the dynamic balancing of main shaft；In addition, radially bonded mode, needs master
There are enough connecting lengths, it is therefore necessary to which main shaft is lengthened between axle and belt wheel, causes the physical dimension of whole main axle unit inclined
Greatly, and lengthen main shaft and can also affect the machining accuracy of main shaft.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of vertical lathe spindle unit knot
Structure, is easy to assemble and keeps in repair, and compact conformation.
The purpose of this utility model employs the following technical solutions realization：
A kind of vertical lathe spindle cellular construction, including main shaft, sleeve, fore bearing group, rear bearing group, belt wheel and revolution oil
Cylinder, the sleeve are located on main shaft periphery, and fore bearing group is located between sleeve upper end and main shaft, and rear bearing group is located under sleeve
Between end and main shaft, belt wheel is combined with the lower end of main shaft, and belt wheel is hollow structure, and angling cylinder is inside the hollow structure.
Preferably, sleeve inner has shoulder hole, and the shoulder hole includes first through hole, the second through hole and the 3rd from top to bottom
Through hole, the diameter of each through hole successively decrease from top to bottom successively.
Preferably, the vertical lathe spindle cellular construction is also including a movable shaft shoulder, the movable shaft shoulder be located in main shaft and
Between sleeve, the movable shaft shoulder is located in third through-hole, and is laminated in the top surface of rear bearing group.
Preferably, the vertical lathe spindle cellular construction also includes some tapered end holding screws, each tapered end holding screw edge
The even circumferential distribution for extending radially through the movable shaft shoulder of sleeve edge of sleeve.
Preferably, the vertical lathe spindle cellular construction also includes end face key and some screws, the lower end mask of main shaft
The upper surface for having the first keyway, belt wheel has the second keyway, and straight end-face key is located between the first keyway and the second keyway, each screw
Belt wheel is fixedly connected with main shaft.
Preferably, belt wheel has a positioning spigot, and main shaft is limited in the positioning spigot.
Compared to existing technology, the beneficial effects of the utility model are：
By the employing activity shaft shoulder, the shaft shoulder of bearing group after fixing is saved, beneficial to the shoulder hole structure of sleeve；Sleeve is adopted
Shoulder hole structure, boring of need not turning around reduce difficulty of processing, improve working (machining) efficiency；Connected using swelling by end under a bushing
Female connector structure, beneficial to easily attaching the casing to pedestal；Belt wheel is bonded using end face with main shaft, and main shaft side keyway
Design, reduce the weakening to main axe intensity, the dynamic balancing of main shaft is also easily guaranteed that, and save major axis size；Using in
The structure of the built-in oil cylinder of blanking bar wheel, makes the structure of main axle unit compacter, and makes the base portion height reduction of lathe, from
And the overall height of lathe is reduced, save space.
Description of the drawings
Fig. 1 is a kind of main shaft schematic diagram of vertical lathe spindle cellular construction of this utility model；
Fig. 2 is tube-in-tube structure schematic diagram of the present utility model；
Fig. 3 is the lathe spindle unit structural representation with straight end-face key of the present utility model；
Fig. 4 is the schematic diagram that main shaft of the present utility model and belt wheel are combined by straight end-face key；
Fig. 5 is the schematic diagram of another angle that main shaft of the present utility model and belt wheel are combined by straight end-face key；
Fig. 6 is the structure chart that a kind of vertical lathe spindle cellular construction of the present utility model is arranged on inside lathe；
In figure：1st, main shaft；2nd, sleeve；3rd, fore bearing group；4th, rear bearing group；5th, belt wheel；6th, angling cylinder；7th, first leads to
Hole；8th, the second through hole；9th, third through-hole；10th, the movable shaft shoulder；11st, tapered end holding screw；12nd, the first keyway；13rd, the second keyway；
14th, straight end-face key；15th, locking nut；16th, expansion connecting sleeve；17th, pedestal；18th, chuck；19th, positioning spigot；20th, screw.
Specific embodiment
Below, with reference to accompanying drawing and specific embodiment, this utility model is described further：
As shown in figs. 1 to 6, a kind of vertical lathe spindle cellular construction, including main shaft 1, sleeve 2, fore bearing group 3, rear axle
Group 4, belt wheel 5 and angling cylinder 6 is held, the outer wall of sleeve 2 is close to the inwall of pedestal 17 or gap cooperation, and 2 edge of sleeve
It is peripheral that the sliding axially of main shaft 1 is sheathed on main shaft 1, for by 1 support of main shaft；Fore bearing group 3 is located in 2 upper end of sleeve and main shaft
Between 1, the inner ring of fore bearing group 3 is fixedly connected with the outer rim of main shaft 1, and outer ring is close to the inwall of sleeve 2 or gap coordinates,
Therefore, when lathe runs, inner ring is rotated with main shaft 1, and outer ring does not rotate, the ball or rolling between inner ring and outer ring
Post occurs to roll, therefore friction is greatly reduced, and extends the service life of lathe, reduces noise when lathe works；Equally, after
Bearing group 4 is located between 2 lower end of sleeve and main shaft 1, main shaft 1 is rotated in sleeve 2, and is substantially reduced frictional resistance and make an uproar
Sound；The upper end of main shaft 1 is provided with a chuck 18, for workpiece fixation is operated so as to carry out turning etc.；The lower end of main shaft 1 and belt wheel
5 combine, and when motor operation, are rotated by belt drive belt wheel 5, and belt wheel 5 drives main shaft 1 to rotate, so as to carry out the behaviour such as turning
Make, and belt wheel 5 is hollow structure；Angling cylinder 6 is used for tensing chuck 18, and angling cylinder 6 is located in belt wheel 5, makes this vertical
Lathe spindle unit structure is compacter, and makes the base portion height reduction of lathe, so as to reduce lathe whole height,
Space is saved.
As shown in Figure 6, it is preferred that the vertical lathe spindle cellular construction also include an expansion connecting sleeve 16, sleeve 2 it is upper
End outer rim is close to the inwall of pedestal 17 or gap coordinates, and the expansion connecting sleeve 16 is located in 17 inwall of 2 lower end of sleeve and pedestal
Between；2 lower end of sleeve need not be very high dimensional accuracy, it is only necessary to ensure the axiality of 2 upper and lower ends of sleeve, therefore greatly
Reduce greatly the difficulty of processing of sleeve 2；When needing for sleeve 2 to be installed to pedestal 17, the upper end of sleeve 2 is installed to into base first
The inwall of seat 17, now the lower end of sleeve 2 is to decontrol, and the expansion connecting sleeve 16 is installed in 2 lower end of sleeve and pedestal 17
When between wall, make the expansion connecting sleeve 16 in relaxation state first, whole vertical lathe spindle cellular construction can be easy to
Be installed in pedestal 17, after the correct dropping place of whole vertical lathe spindle cellular construction, then expansion connecting sleeve 16 is compressed, cover
The lower end of cylinder 2 can just be firmly secured to the inwall of pedestal 17.
In addition, as shown in Fig. 2 the inwall of sleeve 2 has shoulder hole, the shoulder hole includes first through hole from top to bottom
7th, the second through hole 8 and third through-hole 9, the diameter of its each through hole successively decrease from top to bottom successively, therefore when sleeve 2 is processed, can be with
Clamped one time boring reduces manufacturing procedure on earth so as to form shoulder hole without the need for boring of turning around as traditional sleeve 2,
Reduce the difficulty of processing of sleeve 2；Wherein, first through hole 7 is used for fastening clamping fore bearing group 3, and the second through hole 8 is used for fastening dress
Folder locking nut 15, third through-hole 9 are used for fastening bearing group 4 after clamping, it is to avoid influence each other.Meanwhile, as shown in figure 1, this is vertical
Also including a movable shaft shoulder 10, for bearing group 4 after fixation, the movable shaft shoulder 10 is located in main shaft to formula lathe spindle unit structure
Between 1 and sleeve 2, and the movable shaft shoulder 10 is located in the third through-hole 9 of sleeve 2, is laminated in the top surface of rear bearing group 4；Pass through
Using the movable shaft shoulder 10, the fixed shaft shoulder in conventional sleeve 2 is saved, shoulder hole structure is formed beneficial to sleeve 2.
Preferably, the vertical lathe spindle cellular construction also includes some tapered end holding screws 11, preferably three groups, each to bore
End holding screw 11 extends radially through sleeve 2 and the even circumferential distribution along the movable shaft shoulder 10, each tapered end holding screw 11 along sleeve 2
Tapered end abut with the periphery of the movable shaft shoulder 10, make the movable shaft shoulder 10 stably be located on main shaft 1 peripheral.
It is essential that as shown in figs. 1 to 6, the vertical lathe spindle cellular construction also includes end face key 14 and some spiral shells
Nail 20, belt wheel 5 is fixedly connected by each screw 20 with main shaft 1, and the lower surface of main shaft 1 has the first keyway 12, the upper surface of belt wheel 5
With the second keyway 13, straight end-face key 14 is located between the first keyway 12 and the second keyway 13, for transmitting the moment of torsion of main shaft 1,
Belt wheel 5 is fixedly connected by each screw 20 with main shaft 1；The design of 1 end face groove of main shaft, reduces the weakening to 1 intensity of main shaft, main shaft
1 dynamic balancing is also easily guaranteed that, and saves the size of main shaft 1；Additionally, as shown in figure 1, belt wheel 5 have a positioning spigot 19,
The annular groove (not shown) of preferably one upper surface for being located at belt wheel 5, main shaft 1 is limited in the annular groove, so as to
Main shaft 1 is accurately positioned during installation.
It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various
It is corresponding to change and deformation, and all these change and deformation should all belong to the protection of this utility model claim
Within the scope of.
Claims (6)
1. a kind of vertical lathe spindle cellular construction, it is characterised in that：Including main shaft, sleeve, fore bearing group, rear bearing group, band
Wheel and angling cylinder, the sleeve are located on main shaft periphery, and fore bearing group is located between sleeve upper end and main shaft, rear bearing group folder
Between sleeve lower end and main shaft, belt wheel is combined with the lower end of main shaft, and belt wheel is hollow structure, and it is hollow that angling cylinder is located at this
Inside configuration.
2. a kind of vertical lathe spindle cellular construction according to claim 1, it is characterised in that：Sleeve inner has ladder
Hole, the shoulder hole include first through hole, the second through hole and third through-hole from top to bottom, and the diameter of each through hole is passed from top to bottom successively
Subtract.
3. a kind of vertical lathe spindle cellular construction according to claim 2, it is characterised in that：The vertical lathe spindle list
Also including a movable shaft shoulder, the movable shaft shoulder is located between main shaft and sleeve meta structure, and the movable shaft shoulder is located at third through-hole
It is interior, and it is laminated in the top surface of rear bearing group.
4. a kind of vertical lathe spindle cellular construction according to claim 3, it is characterised in that：The vertical lathe spindle list
Meta structure also includes some tapered end holding screws, and each tapered end holding screw extends radially through sleeve and along the movable shaft shoulder along sleeve
Even circumferential is distributed.
5. a kind of vertical lathe spindle cellular construction according to claim 1, it is characterised in that：The vertical lathe spindle list
Meta structure also includes end face key and some screws, and the upper surface that the lower surface of main shaft has the first keyway, belt wheel has second
Keyway, straight end-face key are located between the first keyway and the second keyway, and belt wheel is fixedly connected by each screw with main shaft.
6. a kind of vertical lathe spindle cellular construction according to claim 1, it is characterised in that：Belt wheel stops with a positioning
Mouthful, main shaft is limited in the positioning spigot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620850868.5U CN206028746U (en) | 2016-08-08 | 2016-08-08 | Vertical lathe spindle unit structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620850868.5U CN206028746U (en) | 2016-08-08 | 2016-08-08 | Vertical lathe spindle unit structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206028746U true CN206028746U (en) | 2017-03-22 |
Family
ID=58308307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620850868.5U Active CN206028746U (en) | 2016-08-08 | 2016-08-08 | Vertical lathe spindle unit structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206028746U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106180764A (en) * | 2016-08-08 | 2016-12-07 | 纽威数控装备（苏州）有限公司 | A kind of vertical lathe spindle cellular construction |
| CN114472940A (en) * | 2022-03-24 | 2022-05-13 | 安徽新诺精工股份有限公司 | Mechanism for installing and supporting main shaft unit of numerical control vertical turning center |
-
2016
- 2016-08-08 CN CN201620850868.5U patent/CN206028746U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106180764A (en) * | 2016-08-08 | 2016-12-07 | 纽威数控装备（苏州）有限公司 | A kind of vertical lathe spindle cellular construction |
| CN106180764B (en) * | 2016-08-08 | 2018-07-20 | 纽威数控装备（苏州）有限公司 | A kind of vertical lathe spindle cellular construction |
| CN114472940A (en) * | 2022-03-24 | 2022-05-13 | 安徽新诺精工股份有限公司 | Mechanism for installing and supporting main shaft unit of numerical control vertical turning center |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 69, Xunyangjiang Road, Tongan, Suzhou High-tech Zone, Jiangsu Province Patentee after: Newway CNC Equipment (Suzhou) Co., Ltd. Address before: No. 69, Xunyangjiang Road, Tongan, Suzhou High-tech Industrial Development Zone, Suzhou City, Jiangsu Province Patentee before: Neway CNC Equipment (Suzhou) Co., Ltd. |
|
| CP03 | Change of name, title or address |