CN209303732U - A kind of novel high-precision workbench main shaft adjective-centre structure - Google Patents
A kind of novel high-precision workbench main shaft adjective-centre structure Download PDFInfo
- Publication number
- CN209303732U CN209303732U CN201822226220.2U CN201822226220U CN209303732U CN 209303732 U CN209303732 U CN 209303732U CN 201822226220 U CN201822226220 U CN 201822226220U CN 209303732 U CN209303732 U CN 209303732U
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- main shaft
- axle sleeve
- bearing
- ring
- flange
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Abstract
The utility model discloses a kind of novel high-precision workbench main shaft adjective-centre structures, belong to machine tool technology field.Main shaft bearing is equipped with inside axle sleeve, main shaft bearing bottom is equipped with the outer race retaining ring of its outer race bumping post, outer race retaining ring is fixed by screws on axle sleeve, bearing inner ring adjusting pad is cased on main shaft, axle sleeve covers on main shaft, the bearing inner ring of axle sleeve inner main axis bearing is pressed on bearing inner ring adjusting pad, main shaft top is stretched out from above axle sleeve, it is equipped in axle sleeve and covers the supporting pad on main shaft, supporting pad bottom is pressed on the bearing inner ring of main shaft bearing, it is equipped with above supporting pad and covers the flange sleeve on main shaft, flange sleeve top annular array has several holds out against screw being threaded into, holds out against screw upper support has the ring flange covered on main shaft top, planchet is equipped between ring flange and main shaft, thrust bearing is cased with outside ring flange, thrust bearing is pressed on axle sleeve, ring flange is fixedly connected by screw with main shaft, axle sleeve by screw with Workbench is fixedly connected.
Description
Technical field
The utility model relates to a kind of novel high-precision workbench main shaft adjective-centre structures, belong to machine tool technology field.
Background technique
Currently, the existing vertical lathe spindle in China leans on the axis of main shaft and the hole fit clearance and main shaft of table base completely
Bearing accuracy guarantee, workbench operate when main shaft or table base process bad or main shaft bearing precision it is not high when, workbench
Main shaft is not able to satisfy the requirement of high-precision part processing.
Utility model content
In order to solve above-mentioned the shortcomings of the prior art, the utility model provides a kind of novel high-precision workbench master
Axis adjective-centre structure, production is simple, and cost of manufacture is cheap, and the deflection of main shaft when reducing turner improves main shaft and workbench
Between fit clearance, raising hands over precision.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of novel high-precision workbench main shaft is fixed
Core structure, including thrust bearing, flange sleeve, holds out against screw, planchet, supporting pad, axle sleeve, voussoir, ring flange, outer race gear
Circle, main shaft bearing and bearing inner ring adjusting pad, table base top fixed main shaft, main shaft support workbench, workbench axle center
Place is equipped with the cover board for covering main shaft, wherein the deep gouge of main shaft, main shaft bottom and workbench bottom are offered on table base
Voussoir is equipped between the deep gouge of seat, voussoir can make main shaft bending deformation small when cutting workpiece, workpiece accuracy and spindle shaft when making processing
Precision is held to be consistent；
Wherein, it is equipped with axle sleeve and ring flange between main shaft and workbench, is equipped with main shaft bearing, main shaft bearing bottom inside axle sleeve
Portion is equipped with the outer race retaining ring of its outer race bumping post, and outer race retaining ring is fixed by screws on axle sleeve, in main shaft
On be cased with bearing inner ring adjusting pad, axle sleeve covers on main shaft, the bearing inner ring of axle sleeve inner main axis bearing be pressed in bearing inner ring adjustment
On pad, main shaft top is stretched out from above axle sleeve, is equipped in axle sleeve and is covered the supporting pad on main shaft, supporting pad bottom is pressed in spindle shaft
On the bearing inner ring held, it is equipped with above supporting pad and covers the flange sleeve on main shaft, flange sleeve top annular array there are several screw threads
The holds out against screw of screw-in, holds out against screw upper support have the ring flange covered on main shaft top, and planchet is equipped between ring flange and main shaft,
It is cased with thrust bearing outside ring flange, thrust bearing is pressed on axle sleeve, and ring flange is fixedly connected by screw with main shaft, and axle sleeve passes through
Screw is fixedly connected with workbench.
The beneficial effects of the utility model are: device production is simple, cost of manufacture is cheap, passes through thrust bearing, flange
Set, holds out against screw, planchet, supporting pad, axle sleeve, voussoir, ring flange, outer race retaining ring, main shaft bearing and bearing inner ring adjustment
Pad can improve the fit clearance between main shaft and workbench, improve precision of handing over, the deflection of main shaft when reducing turner.
Detailed description of the invention
The present invention will be further described below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the assembling schematic diagram of the utility model.
Figure label:
1, thrust bearing, 2, flange sleeve, 3, holds out against screw, 4, workbench, 5, table base, 6, planchet, 7, supporting pad,
8, axle sleeve, 9, voussoir, 10, ring flange, 11, outer race retaining ring, 12, main shaft bearing, 13, bearing inner ring adjusting pad, 14, master
Axis, 15, cover board.
Specific embodiment
As shown in Figs. 1-2, a kind of novel high-precision workbench main shaft adjective-centre structure, including thrust bearing 1, flange sleeve 2, top
In tight screw 3, planchet 6, supporting pad 7, axle sleeve 8, voussoir 9, ring flange 10, outer race retaining ring 11, main shaft bearing 12 and bearing
Ring adjusting pad 13,5 top fixed main shaft 14 of table base, main shaft 14 support workbench 4, and being equipped at 4 axle center of workbench will lead
The cover board 15 that axis 14 covers, wherein the deep gouge of main shaft 14,14 bottom of main shaft and workbench bottom are offered on table base 5
Voussoir 9 is equipped between the deep gouge of seat 5, voussoir 9 can make 14 bending deformation of main shaft small when cutting workpiece, workpiece accuracy and master when making processing
Axle bearing precision is consistent；
Wherein, it is equipped with axle sleeve 8 and ring flange 10 between main shaft 14 and workbench 4, is equipped with main shaft bearing 12 inside axle sleeve 8,
12 bottom of main shaft bearing is equipped with the outer race retaining ring 11 of its outer race bumping post, and outer race retaining ring 11 is screwed
On axle sleeve 8, bearing inner ring adjusting pad 13 is cased on main shaft 14,8 sets of axle sleeve on main shaft 14,8 inner main axis bearing 12 of axle sleeve
Bearing inner ring be pressed on bearing inner ring adjusting pad 13,14 top of main shaft is stretched out above axle sleeve 8, is equipped in axle sleeve 8 and is covered in master
Supporting pad 7 on axis 14,7 bottom of supporting pad are pressed on the bearing inner ring of main shaft bearing 12, are equipped with and are covered in main shaft above supporting pad 7
Flange sleeve 2 on 14,2 top annular array of flange sleeve have several holds out against screw 3 being threaded into, 3 upper support of holds out against screw
There is the ring flange 10 covered on 14 top of main shaft, planchet 6 is equipped between ring flange 10 and main shaft 14, thrust bearing is cased with outside ring flange 10
1, thrust bearing 1 is pressed on axle sleeve 8, and ring flange 10 is fixedly connected by screw with main shaft 14, and axle sleeve 8 passes through screw and workbench
4 are fixedly connected.
Pass through thrust bearing 1, flange sleeve 2, holds out against screw 3, planchet 6, supporting pad 7, axle sleeve 8, voussoir 9, ring flange 10, axis
Outer ring retaining ring 11, main shaft bearing 12 and bearing inner ring adjusting pad 13 are held, the fit clearance between main shaft 14 and workbench 4 can be improved,
The bending of the main shaft 14 during cutting workpiece can be reduced by thrust bearing 1 and main shaft bearing 12.
Claims (1)
1. a kind of novel high-precision workbench main shaft adjective-centre structure, table base (5) top fixed main shaft (14), main shaft (14)
It supports workbench (4), the cover board (15) for covering main shaft (14) is equipped at workbench (4) axle center, it is characterised in that: including thrust
Bearing (1), flange sleeve (2), holds out against screw (3), planchet (6), supporting pad (7), axle sleeve (8), voussoir (9), ring flange (10), axis
Outer ring retaining ring (11), main shaft bearing (12) and bearing inner ring adjusting pad (13) are held, offers main shaft on table base (5)
(14) deep gouge is equipped with voussoir (9) between main shaft (14) bottom and the deep gouge of table base (5), voussoir (9) energy when cutting workpiece
Keep main shaft (14) bending deformation small, is consistent workpiece accuracy when processing with main shaft bearing precision；Wherein, main shaft (14) with
It is equipped with axle sleeve (8) and ring flange (10) between workbench (4), is equipped with main shaft bearing (12) inside axle sleeve (8), main shaft bearing (12) bottom
Portion is equipped with the outer race retaining ring (11) of its outer race bumping post, and outer race retaining ring (11) is fixed by screws in axle sleeve
(8) it on, is cased on main shaft (14) bearing inner ring adjusting pad (13), axle sleeve (8) covers on main shaft (14), axle sleeve (8) inner main axis
The bearing inner ring of bearing (12) is pressed on bearing inner ring adjusting pad (13), and main shaft (14) top is stretched out above axle sleeve (8), axle sleeve
(8) it being equipped in and covers the supporting pad (7) on main shaft (14), supporting pad (7) bottom is pressed on the bearing inner ring of main shaft bearing (12),
It is equipped with above supporting pad (7) and covers the flange sleeve (2) on main shaft (14), flange sleeve (2) top annular array has several screw threads to revolve
The holds out against screw (3) entered, holds out against screw (3) upper support have the ring flange (10) covered on main shaft (14) top, ring flange (10)
Planchet (6) are equipped between main shaft (14), are cased with thrust bearing (1) outside ring flange (10), thrust bearing (1) is pressed on axle sleeve (8),
Ring flange (10) is fixedly connected by screw with main shaft (14), and axle sleeve (8) is fixedly connected by screw with workbench (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822226220.2U CN209303732U (en) | 2018-12-28 | 2018-12-28 | A kind of novel high-precision workbench main shaft adjective-centre structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822226220.2U CN209303732U (en) | 2018-12-28 | 2018-12-28 | A kind of novel high-precision workbench main shaft adjective-centre structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209303732U true CN209303732U (en) | 2019-08-27 |
Family
ID=67679432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822226220.2U Active CN209303732U (en) | 2018-12-28 | 2018-12-28 | A kind of novel high-precision workbench main shaft adjective-centre structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209303732U (en) |
-
2018
- 2018-12-28 CN CN201822226220.2U patent/CN209303732U/en active Active
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