CN209083806U - A kind of lathe spindle bearing - Google Patents
A kind of lathe spindle bearing Download PDFInfo
- Publication number
- CN209083806U CN209083806U CN201821446024.XU CN201821446024U CN209083806U CN 209083806 U CN209083806 U CN 209083806U CN 201821446024 U CN201821446024 U CN 201821446024U CN 209083806 U CN209083806 U CN 209083806U
- Authority
- CN
- China
- Prior art keywords
- block
- main shaft
- fixedly connected
- central axis
- swivelling chute
- 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.)
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Abstract
The utility model discloses a kind of lathe spindle bearings, it is related to lathe technical field of bearings, including main shaft and central axis, the inside of the main shaft offers multiple swivelling chutes, one end of the swivelling chute offers annular groove, the inner wall of the annular groove offers sliding rail, the internal activity of the swivelling chute is equipped with rotating block, the internal activity of the annular groove is connected with ring block, the side of the ring block is fixedly connected with the side of rotating block, the inner surface of the ring block is fixedly connected with sliding block, the sliding block is movably connected in the inside of sliding rail, the inside two sides of the main shaft are symmetrically fixedly installed with horizontal device.The lathe spindle bearing, on the one hand, keep central axis more stable in the inner rotation of main shaft by the swivelling chute of pyramidal structure and the rotating block of pyramidal structure, pass through the cooperation of sliding block and sliding rail that ring block inner surface is fixedly connected, keep rotating friction force of the rotating block in swivelling chute smaller, the service life is longer.
Description
Technical field
The utility model relates to lathe technical field of bearings, specially a kind of lathe spindle bearing.
Background technique
Lathe spindle refers to the axis that workpiece or cutter rotation are driven on lathe.Usually by main shaft, bearing and driving member (tooth
Wheel or belt wheel) etc. composition spindle unit, be mainly used to support driving parts such as gear and belt wheel, passing movement and torsion in the machine
Square, such as lathe spindle, some are used to clamping workpiece, and such as mandrel, current lathe spindle general structure is relatively simple, and use
Service life is not grown, and built on the sand, such as security risk will be present in replacement to main axis not in time after long-term use.
A kind of lathe spindle axis disclosed in 205967446 U of Chinese utility model patent ublic specification of application CN
It holds, a kind of lathe spindle bearing, although making the main shaft using more stable by being fixedly connected for screw and copper tube,
After prolonged use, the stability of main shaft can not maintain for a long time, and in actual use, when which rotates not
Enough to stablize, frictional force is larger, so that the service life of the bearing be caused to greatly reduce.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of lathe spindle bearing, solves existing be used for
Lathe spindle bearing is unstable when using, the problem that frictional force is big and service life is short.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of lathe spindle bearing, packet
Main shaft and central axis are included, the inside of the main shaft offers multiple swivelling chutes, and one end of the swivelling chute offers annular groove, institute
The inner wall for stating annular groove offers sliding rail, and the internal activity of the swivelling chute is equipped with rotating block, and the inside of the annular groove is living
Dynamic to be connected with ring block, the side of the ring block is fixedly connected with the side of rotating block, and the inner surface of the ring block is fixed
It is connected with sliding block, the sliding block is movably connected in the inside of sliding rail；
The inside two sides of the main shaft are symmetrically fixedly installed with horizontal device, and the inside of the horizontal device offers rotation
Room, the two sides of the turning cell are symmetrically fixedly connected with limited block, and the internal activity of the turning cell is connected with spill spin block, described
Rotation rail is offered on the outside of the both ends of spill spin block, two limited blocks are fixedly connected on the outside of one end of spill spin block
Positive stop bead, the spill spin block are movably connected in the inside of turning cell by positive stop bead, and one end of the central axis is through horizontal dress
The outside of horizontal device is set with spill spin block and is located at, the central axis is located in the circumferential direction inside turning cell and the fixed company of spill spin block
It connects, the central axis is located at the middle part of spill spin block；
The external both ends of the main shaft are fixedly connected to mounting plate, and two mounting plates are symmetrically and fixedly mounted to main shaft
Both ends, the structure of two mounting plates is identical and equal in magnitude, and the inside of the mounting plate offers threaded hole, the spiral shell
The inside of pit offers fixing groove, and the inside of the fixing groove is fixedly installed with nut, the inner surface and spiral shell of the fixing groove
Female outer surface is fixedly connected.
Optionally, the swivelling chute is pyramidal structure, and the swivelling chute is mutually adapted with rotating block, outside the rotating block
The inner surface of surface and swivelling chute is fitted and connected.
Optionally, one end of the central axis sequentially pass through the middle part of mounting plate, main shaft middle part and horizontal device in
Portion and the middle part of rotating block and the outside for being located at main shaft, the rotating block and horizontal device are respectively positioned on same level.
Optionally, the quantity of the swivelling chute is no less than two, and multiple grooves are offered in the middle part of the main shaft, described recessed
The quantity of slot is no less than seven, and the groove is distributed horizontally to the inside of main shaft, and the groove is located at the middle part of two swivelling chutes.
Optionally, multiple grooves are run through in one end of the central axis, and the central axis is located in the circumferential direction of inside grooves solid
Surely it is connected with the protrusion equal with number of recesses.
Optionally, the threaded hole is symmetrically provided with the front and rear sides at the top of mounting plate, the inside of two threaded holes
Fixing groove is offered, the inside of two fixing grooves is fixedly connected to nut
(3) beneficial effect
The utility model provides a kind of lathe spindle bearing, have it is following the utility model has the advantages that
(1), lathe spindle bearing, on the one hand, in being made by the swivelling chute of pyramidal structure and the rotating block of pyramidal structure
Mandrel is more stable in the inner rotation of main shaft, by the cooperation of sliding block and sliding rail that ring block inner surface is fixedly connected, makes to turn
Rotating friction force of the motion block in swivelling chute is smaller, and the service life is longer.
(2), the lathe spindle bearing, on the other hand, central axis can be rotated more steadily, in by horizontal device
The rotation of mandrel drives spill spin block in the internal rotating of turning cell, and positive stop bead not only makes the rotation friction of spill spin block smaller, and
And position limitation can be carried out to spill spin block, still ensure that spill spin block after prolonged use in the same horizontal line, to make
The service life is longer for main shaft.
Detailed description of the invention
Fig. 1 is the utility model main axle structure cross-sectional view；
Fig. 2 is the utility model horizontal device structure sectional view；
Fig. 3 is the utility model thread pore structure cross-sectional view.
In figure: main shaft 1, swivelling chute 2, annular groove 3, sliding rail 4, ring block 5, sliding block 6, central axis 7, rotating block 8, protrusion 9,
Horizontal device 10, turning cell 11, limited block 12, positive stop bead 13, spill spin block 14, rotation rail 15, groove 16, mounting plate 17, screw thread
Hole 18, fixing groove 19, nut 20.
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.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is based on the figure
Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model
Limitation.
In the present invention unless specifically defined or limited otherwise, term " setting ", " connected ", " connects " installation "
Connect ", the terms such as " fixation " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection；It can be machine
Tool connection；It can be directly connected, it can also be indirectly connected through an intermediary.For those of ordinary skill in the art and
Speech, can understand the concrete meaning of above-mentioned term in the present invention as the case may be.
The meaning of " plurality " is two or more in the description of the present invention, unless otherwise clearly specific
It limits.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of lathe spindle bearing, including main shaft 1 is in
Mandrel 7, the inside of main shaft 1 offer multiple swivelling chutes 2, and one end of swivelling chute 2 offers annular groove 3, and the inner wall of annular groove 3 is opened
Equipped with sliding rail 4, the internal activity of swivelling chute 2 is equipped with rotating block 8, passes through the swivelling chute 2 of pyramidal structure and turning for pyramidal structure
Motion block 8 keeps central axis 7 more stable in the inner rotation of main shaft 1, the sliding block 6 and cunning being fixedly connected by 5 inner surface of ring block
The cooperation of rail 4 keeps rotating friction force of the rotating block 8 in swivelling chute 2 smaller, and the service life is longer, the internal activity of annular groove 3
It is connected with ring block 5, the side of ring block 5 is fixedly connected with the side of rotating block 8, and the inner surface of ring block 5 is fixedly connected with
Sliding block 6, sliding block 6 are movably connected in the inside of sliding rail 4；
The inside two sides of main shaft 1 are symmetrically fixedly installed with horizontal device 10, and the inside of horizontal device 10 offers turning cell
11, the two sides of turning cell 11 are symmetrically fixedly connected with limited block 12, and the internal activity of turning cell 11 is connected with spill spin block 14, rotation
Rotation rail 15 is offered on the outside of the both ends of block 14, two limited blocks 12 are fixedly connected on the outside of one end of spill spin block 14
Positive stop bead 13, spill spin block 14 are movably connected in the inside of turning cell 11 by positive stop bead 13, and one end of central axis 7 is through horizontal dress
Set 10 and spill spin block 14 and be located at horizontal device 10 outside, central axis 7 is located in the circumferential direction inside turning cell 11 and spill spin block
14 are fixedly connected, and central axis 7 is located at the middle part of spill spin block 14, and central axis 7 can be rotated more steadily by horizontal device 10, be led to
The rotation of central axis 7 is crossed, drives spill spin block 14 in the internal rotating of turning cell 11, positive stop bead 13 not only makes the rotation of spill spin block 14
Frictional force is smaller, and can carry out position limitation to spill spin block 14, still ensures that spill spin block 14 after prolonged use same
On one horizontal line, to make main shaft 1, the service life is longer；
The external both ends of main shaft 1 are fixedly connected to mounting plate 17, and two mounting plates 17 are symmetrically and fixedly mounted to main shaft 1
The structure at both ends, two mounting plates 17 is identical and equal in magnitude, and the inside of mounting plate 17 offers threaded hole 18, threaded hole 18
Inside offers fixing groove 19, and the inside of fixing groove 19 is fixedly installed with nut 20, inner surface and the nut 20 of fixing groove 19
Outer surface is fixedly connected, and by the setting of threaded hole 18 and fixing groove 19 and nut 20, keeps main shaft 1 more square during installation
Just.
A kind of optional technical solution as the utility model: swivelling chute 2 is pyramidal structure, swivelling chute 2 and 8 phase of rotating block
Mutually adaptation, the outer surface of rotating block 8 and the inner surface of swivelling chute 2 are fitted and connected, and keep the rotation of rotating block 8 more stable.
A kind of optional technical solution as the utility model: one end of central axis 7 sequentially pass through mounting plate 17 middle part,
The middle part of main shaft 1 and the middle part of horizontal device 10 and the middle part of rotating block 8 and the outside for being located at main shaft 1, rotating block 8 and level
Device 10 is respectively positioned on same level.
A kind of optional technical solution as the utility model: the quantity of swivelling chute 2 is no less than two, the middle part of main shaft 1
Offering multiple grooves 16, the quantity of groove 16 is no less than seven, and groove 16 is distributed horizontally to the inside of main shaft 1, and groove 16
In the middle part of two swivelling chutes 2.
A kind of optional technical solution as the utility model: multiple grooves 16, central axis 7 are run through in one end of central axis 7
It is fixedly connected with the protrusion 9 equal with 16 quantity of groove in the circumferential direction inside groove 16, is matched by groove 16 and protrusion 9
Conjunction keeps central axis 7 more steady when rotating.
A kind of optional technical solution as the utility model: threaded hole 18 is symmetrically provided with the front and back two of mounting plate 17
Side, the inside of two threaded holes 18 offer fixing groove 19, and the inside of two fixing grooves 19 is fixedly connected to nut 20, lead to
Crossing two threaded holes 18 makes the more convenient stabilization of the fixation of main shaft 1.
In conclusion the lathe spindle bearing, in use, the switch of starting central axis 7, is driven by central axis 7 and is rotated
Block 8 is rotated, and drives ring block 5 to synchronize rotation while rotating block 8 rotates, and passes through matching for sliding block 6 and sliding rail 4
It closes, the frictional force for being subject to rotating block 8 and ring block 5 during rotation is smaller, to make turn of rotating block 8 and ring block 5
Faster, central axis 7 is limited in the inside of turning cell 11 by spill spin block 14 to dynamic speed, drives spill spin block 14 to revolve by central axis 7
Turning, 13 one side of positive stop bead keeps the rotation friction of spill spin block 14 smaller, on the other hand the position of spill spin block 14 limited,
When central axis 7 drives spill spin block 14 to rotate, guarantee that central axis 7 in same water by the cooperation of positive stop bead 13 and rotation rail 15
On horizontal line, and then keep the rotating effect of central axis 7 stronger.
It should be noted that in the present invention unless specifically defined or limited otherwise, fisrt feature is in the second spy
It can be that the first and second features directly contact or the first and second features are connect indirectly by intermediary "above" or "below" sign
Touching.Moreover, fisrt feature can be above the second feature " above ", " above " and " above " fisrt feature right above second feature or
Oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature second feature " under ", " lower section "
" following " can be fisrt feature and be directly under or diagonally below the second feature, or is merely representative of first feature horizontal height and is less than
Second feature.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of lathe spindle bearing, including main shaft (1) and central axis (7), it is characterised in that: open the inside of the main shaft (1)
Equipped with multiple swivelling chutes (2), one end of the swivelling chute (2) is offered annular groove (3), and the inner wall of the annular groove (3) opens up
Have sliding rail (4), the internal activity of the swivelling chute (2) is equipped with rotating block (8), the internal activity connection of the annular groove (3)
Have ring block (5), the side of the ring block (5) is fixedly connected with the side of rotating block (8), the interior table of the ring block (5)
Face is fixedly connected with sliding block (6), and the sliding block (6) is movably connected in the inside of sliding rail (4)；
The inside two sides of the main shaft (1) are symmetrically fixedly installed with horizontal device (10), and the inside of the horizontal device (10) is opened
Equipped with turning cell (11), the two sides of the turning cell (11) are symmetrically fixedly connected with limited block (12), the turning cell (11)
Internal activity is connected with spill spin block (14), rotation rail (15) is offered on the outside of the both ends of the spill spin block (14), described in two
Limited block (12) is fixedly connected to positive stop bead (13) on the outside of the one end of spill spin block (14), and the spill spin block (14) passes through limit
Position pearl (13) is movably connected in the inside of turning cell (11), and one end of the central axis (7) through horizontal device (10) and rotates
Block (14) and the outside for being located at horizontal device (10), the central axis (7) are located in the internal circumferential direction of turning cell (11) and rotation
Block (14) is fixedly connected, and the central axis (7) is located at the middle part of spill spin block (14)；
The external both ends of the main shaft (1) are fixedly connected to mounting plate (17), and two mounting plates (17) are symmetrically fixed to pacify
Mounted in the both ends of main shaft (1), the structure of two mounting plates (17) is identical and equal in magnitude, the inside of the mounting plate (17)
It offers threaded hole (18), the inside of the threaded hole (18) offers fixing groove (19), and the inside of the fixing groove (19) is solid
Dingan County is equipped with nut (20), and the inner surface of the fixing groove (19) is fixedly connected with the outer surface of nut (20).
2. a kind of lathe spindle bearing according to claim 1, it is characterised in that: the swivelling chute (2) is pyramidal structure,
The swivelling chute (2) is mutually adapted with rotating block (8), and the outer surface of the rotating block (8) is bonded with the inner surface of swivelling chute (2)
Connection.
3. a kind of lathe spindle bearing according to claim 1, it is characterised in that: one end of the central axis (7) is successively
Middle part and position through the middle part of mounting plate (17), the middle part at the middle part of main shaft (1) and horizontal device (10) and rotating block (8)
In the outside of main shaft (1), the rotating block (8) and horizontal device (10) are respectively positioned on same level.
4. a kind of lathe spindle bearing according to claim 1, it is characterised in that: the quantity of the swivelling chute (2) is many
It in two, is offered multiple grooves (16) in the middle part of the main shaft (1), the quantity of the groove (16) is no less than seven, described
Groove (16) is distributed horizontally to the inside of main shaft (1), and the groove (16) is located at the middle part of two swivelling chutes (2).
5. a kind of lathe spindle bearing according to claim 1, it is characterised in that: one end of the central axis (7) is run through
Multiple grooves (16), the central axis (7), which is located in the internal circumferential direction of groove (16), to be fixedly connected with and groove (16) quantity phase
Deng protrusion (9).
6. a kind of lathe spindle bearing according to claim 1, it is characterised in that: the threaded hole (18) is symmetrically provided with
The inside of the front and rear sides of mounting plate (17), two threaded holes (18) offers fixing groove (19), two fixations
The inside of slot (19) is fixedly connected to nut (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821446024.XU CN209083806U (en) | 2018-09-05 | 2018-09-05 | A kind of lathe spindle bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821446024.XU CN209083806U (en) | 2018-09-05 | 2018-09-05 | A kind of lathe spindle bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209083806U true CN209083806U (en) | 2019-07-09 |
Family
ID=67115826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821446024.XU Expired - Fee Related CN209083806U (en) | 2018-09-05 | 2018-09-05 | A kind of lathe spindle bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209083806U (en) |
-
2018
- 2018-09-05 CN CN201821446024.XU patent/CN209083806U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190709 Termination date: 20200905 |