CN202606887U - Mounting structure with internal gap pre-adjusting type rotary shaft - Google Patents
Mounting structure with internal gap pre-adjusting type rotary shaft Download PDFInfo
- Publication number
- CN202606887U CN202606887U CN 201220070796 CN201220070796U CN202606887U CN 202606887 U CN202606887 U CN 202606887U CN 201220070796 CN201220070796 CN 201220070796 CN 201220070796 U CN201220070796 U CN 201220070796U CN 202606887 U CN202606887 U CN 202606887U
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- CN
- China
- Prior art keywords
- gyroaxis
- mounting structure
- supporting
- adjustment nut
- bearing
- 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
- 239000000314 lubricant Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 4
- 244000144985 peep Species 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000005461 lubrication Methods 0.000 abstract description 10
- 239000004519 grease Substances 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 13
- 238000005516 engineering process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000000737 periodic effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
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- Mounting Of Bearings Or Others (AREA)
Abstract
The utility model relates to a mounting structure with an internal gap pre-adjusting type rotary shaft. The mounting structure comprises a supporting part and the rotary shaft which is mounted in the supporting part through supporting components. The mounting structure is characterized in that the supporting components are divided into three groups and include tail supporting members, middle supporting members and end supporting members, an annular boss is arranged on the rotary shaft between each middle supporting member and the corresponding end supporting member, and the supporting members of each group are matched with stepped inner holes of the supporting part respectively. Compared with the prior art, the mounting structure which is an oil lubrication structure has the advantages that backlashes of all bearings can be adjusted to be zero before final assembly, so that rotation precision of the rotary shaft is improved; modifying conventional grease lubrication into oil lubrication enables the bearings to be lubricated thoroughly and greatly prolongs the service life of the bearings; and regular oil change is realized without demounting, so that maintenance time is greatly reduced, and operating difficulty is greatly lowered.
Description
Technical field
The utility model belongs to gyroaxis the support technology field is installed, and particularly relates to the mounting structure of a kind of built-in preset crack formula gyroaxis.
Background technology
At present, the workpiece support structure of horizontal heavy machine tool adopts; Chuck and top, top and top, chuck and chuck etc., top live center and the back dead centre of being divided into, and that live center is divided into is built-in and external, built-in live center uses on tail stock claims the kink tube again.In recent years because the raising of bearing accuracy and easy to operate in heavy grinding machine supporting construction, adopt external live center to substitute back dead centre and carriage, but external live center has the deficiency that rigidity is low, load-bearing is light; The conventional art of built-in live center requires: the accuracy of manufacture is high, cost is high, and installation, debugging, maintenance difficulty are big, the lubricated lipid lubricators that adopt, periodic replacement lubricating grease complicated operation more.
Summary of the invention
The utility model provides a kind of simple in structure, installation, convenient disassembly, long service life for solving the technical problem that exists in the known technology, realizes transferring the mounting structure of the built-in preset crack formula gyroaxis in crack before the assembling.
The technical scheme that the utility model is taked for the technical problem that exists in the solution known technology is:
The mounting structure of a kind of built-in preset crack formula gyroaxis comprises support member, gyroaxis; Said support member is provided with the ladder endoporus; Said gyroaxis is installed in the ladder endoporus through supporting component; The outer section of gyroaxis is provided with outer connecting hole, it is characterized in that: said supporting component is divided into three groups, and three groups of supporting components are respectively afterbody supporting member, middle part supporting member and end portion, supports assembly; Gyroaxis between said middle part supporting member and the end portion, supports assembly is provided with annular boss, every group of supporting member respectively with support member in the ladder endoporus coupling that is provided with; Wherein said afterbody supporting member comprises angular contact ball bearing, baffle ring, Biserial cylindrical roller bearing that is installed in the gyroaxis afterbody successively and the adjustment nut that is used to adjust bearing clearance, and adjustment nut spiral shell is contained in the tail end of gyroaxis; Said middle part supporting member comprises centripetal thrust force cylinder roller bearing, angular contact ball bearing that the gyroaxis middle part is installed successively and the adjustment nut that is same as adjustment two bearings play, and said adjustment nut spiral shell is contained in the middle part of gyroaxis; Said end portion, supports assembly comprises the Biserial cylindrical roller bearing that is installed in the gyroaxis end successively; An end cap and a cover; End cap links to each other with the support member outer face through securing member; The said end cap outside is provided with the adjustment nut that is used to adjust end portion, supports assembly bearing play, and said adjustment nut spiral shell is contained in the end of gyroaxis.
The utility model can also adopt following technical measures:
On the end supports of said gyroaxis, be provided with lubricant passage way, said lubricant passage way connection is arranged on oil filler, oil drain out and the oil level peep hole on the end cap; Said end cap inboard is provided with containment member.
On the end face of said gyroaxis to the fabrication hole that is provided with the bearing that is used to dismantle the middle part supporting component.
Advantage and the good effect that the utlity model has are: because the utility model adopts technique scheme, promptly before assembling, can bearing clearance be eliminated, eliminate the back integral installation, need not adjustment, and dismantle easy to maintenancely, not need specific purpose tool.This structure compared with prior art improves top load-bearing and rigidity to greatest extent under the situation of original main shaft (sleeve) size constancy.Can realize being adjusted into zero to the play of all bearings before the final assembling, thereby improve the running accuracy of gyroaxis.Change traditional grease lubrication into the oil lubrication mode in addition, make bearing lubrication improve the service life of bearing fully greatly; And periodic oil change need not to dismantle very big minimizing service time and operation easier.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the side view of Fig. 1.
Among the figure: 1, support member; 1-1, ladder endoporus; 1-2, lubricant passage way; 1-3, fabrication hole; 2, gyroaxis; 3-1, afterbody supporting member; 3-1-1, angular contact ball bearing; 3-1-2, baffle ring; 3-1-3, Biserial cylindrical roller bearing; 3-1-4, adjustment nut; 3-2, middle part supporting member; 3-2-1, centripetal thrust force cylinder roller bearing; 3-2-2, angular contact ball bearing; 3-2-3, adjustment nut; 3-3, end portion, supports assembly; 3-3-1, Biserial cylindrical roller bearing; 3-3-2, end cap; 3-3-3, a cover; 3-3-4, adjustment nut; 3-4, annular boss; 4, oil filler; 5, oil drain out; 6, oil level peep hole; 7, containment member; 8, top.
The specific embodiment
For further understanding summary of the invention, characteristics and the effect of the utility model, the following examples of giving an example now, and conjunction with figs. specifies as follows:
See also Fig. 1 and Fig. 2, the mounting structure of a kind of built-in preset crack formula gyroaxis comprises support member 1, gyroaxis 2; Said support member 1 is provided with ladder endoporus 1-1; Said gyroaxis 2 is installed in the ladder endoporus 1-1 through supporting component; The outer section of gyroaxis 2 is provided with outer connecting hole, connects outside building blocks of function through this connecting hole, for example this structure is used for the heavy machine tool tailstock; This lid building blocks of function is top 8; Said supporting component is divided into three groups, and three groups of supporting components are respectively afterbody supporting member 3-1, middle part supporting member 3-2 and end portion, supports assembly 3-3, and the gyroaxis between said middle part supporting member 3-2 and the end portion, supports assembly 3-3 is provided with annular boss 3-4; The effect of this annular boss 3-4 mainly is a convenient assembling, every group of supporting member respectively with support member 1 in the ladder endoporus coupling that is provided with; Wherein said afterbody supporting member 3-1 comprises angular contact ball bearing 3-1-1, baffle ring 3-1-2, Biserial cylindrical roller bearing 3-1-3 that is installed in gyroaxis 2 afterbodys successively and the adjustment nut 3-1-4 that is used to adjust bearing clearance, and adjustment nut 3-1-4 spiral shell is contained in the tail end of gyroaxis 2; Said middle part supporting member 3-2 comprises centripetal thrust force cylinder roller bearing 3-2-1, angular contact ball bearing 3-2-2 that the gyroaxis middle part is installed successively and the adjustment nut 3-2-3 that is same as adjustment two bearings play, and said adjustment nut 3-2-3 spiral shell is contained in the middle part of gyroaxis 2; Said end portion, supports assembly 3-3 comprises the Biserial cylindrical roller bearing 3-3-1 that is installed in the gyroaxis end successively; An end cap 3-3-2 and a cover 3-3-3; End cap 3-3-2 links to each other with support member 1 outer face through securing member; The said end cap 3-3-2 outside is provided with the adjustment nut 3-3-4 that is used to adjust end portion, supports assembly bearing play, and said adjustment nut 3-3-4 spiral shell is contained in the end of gyroaxis 2.
In the said structure, on the end supports 1 of said gyroaxis 2, be provided with lubricant passage way 1-2, said lubricant passage way connection is arranged on oil filler 4, oil drain out 5 and the oil level peep hole 6 on the end cap; Said end cap inboard is provided with containment member 7.The improvement of this structure mainly is to traditional grease lubrication, makes bearing lubrication improve the service life of bearing fully greatly after changing oil lubrication into by grease lubrication.And periodic oil change need not to dismantle very big minimizing service time and operation easier.
In addition for the ease of dismounting middle part bearing, on the end face of said gyroaxis to the fabrication hole 1-3 that is provided with the bearing that is used to dismantle the middle part supporting component.
The utility model assembly method: at first assemble the middle part supporting component; Promptly install successively centripetal thrust force cylinder roller bearing, angular contact ball bearing adjustment nut are installed on the gyroaxis, and eliminate the play of centripetal thrust force cylinder roller bearing and angular contact ball bearing through the adjustment nut; Assemble the afterbody supporting component then, the adjustment nut of promptly angular contact ball bearing, baffle ring, Biserial cylindrical roller bearing being installed successively and being used to adjust bearing clearance at the gyroaxis afterbody is installed the back and is eliminated play through the adjustment nut; Then assemble the end portion, supports assembly, promptly Biserial cylindrical roller bearing is installed successively in the end of gyroaxis, end cap, cover and black box, said end cap links to each other with the support member outer face through securing member, eliminates bearing clearance through the adjustment nut in the end cap outside; After assembling is accomplished the load module one is installed in the ladder endoporus of support member, adds lubricating oil after the horizontal positioned.
Claims (3)
1. the mounting structure of a built-in preset crack formula gyroaxis comprises support member, gyroaxis; Said support member is provided with the ladder endoporus; Said gyroaxis is installed in the ladder endoporus through supporting component; The outer section of gyroaxis is provided with outer connecting hole, it is characterized in that: said supporting component is divided into three groups, and three groups of supporting components are respectively afterbody supporting member, middle part supporting member and end portion, supports assembly; Gyroaxis between said middle part supporting member and the end portion, supports assembly is provided with annular boss, every group of supporting member respectively with support member in the ladder endoporus coupling that is provided with; Wherein said afterbody supporting member comprises angular contact ball bearing, baffle ring, Biserial cylindrical roller bearing that is installed in the gyroaxis afterbody successively and the adjustment nut that is used to adjust bearing clearance, and adjustment nut spiral shell is contained in the tail end of gyroaxis; Said middle part supporting member comprises centripetal thrust force cylinder roller bearing, angular contact ball bearing that the gyroaxis middle part is installed successively and the adjustment nut that is same as adjustment two bearings play, and said adjustment nut spiral shell is contained in the middle part of gyroaxis; Said end portion, supports assembly comprises the Biserial cylindrical roller bearing that is installed in the gyroaxis end successively; An end cap and a cover; End cap links to each other with the support member outer face through securing member; The said end cap outside is provided with the adjustment nut that is used to adjust end portion, supports assembly bearing play, and said adjustment nut spiral shell is contained in the end of gyroaxis.
2. the mounting structure of built-in preset according to claim 1 crack formula gyroaxis is characterized in that: on the end supports of said gyroaxis, be provided with lubricant passage way, said lubricant passage way connection is arranged on oil filler, oil drain out and the oil level peep hole on the end cap; Said end cap inboard is provided with containment member.
3. the mounting structure of built-in preset according to claim 1 and 2 crack formula gyroaxis is characterized in that: on the end face of said gyroaxis to the fabrication hole that is provided with the bearing that is used to dismantle the middle part supporting component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220070796 CN202606887U (en) | 2012-02-29 | 2012-02-29 | Mounting structure with internal gap pre-adjusting type rotary shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220070796 CN202606887U (en) | 2012-02-29 | 2012-02-29 | Mounting structure with internal gap pre-adjusting type rotary shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202606887U true CN202606887U (en) | 2012-12-19 |
Family
ID=47340619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220070796 Expired - Lifetime CN202606887U (en) | 2012-02-29 | 2012-02-29 | Mounting structure with internal gap pre-adjusting type rotary shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202606887U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102581319A (en) * | 2012-02-29 | 2012-07-18 | 蔡春男 | Mounting structure with internally-arranged clearance-pre-adjusting type rotating shaft |
| CN103464667A (en) * | 2013-09-05 | 2013-12-25 | 青岛宏达锻压机械有限公司 | Hybrid drive guide type electric screw press |
-
2012
- 2012-02-29 CN CN 201220070796 patent/CN202606887U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102581319A (en) * | 2012-02-29 | 2012-07-18 | 蔡春男 | Mounting structure with internally-arranged clearance-pre-adjusting type rotating shaft |
| CN103464667A (en) * | 2013-09-05 | 2013-12-25 | 青岛宏达锻压机械有限公司 | Hybrid drive guide type electric screw press |
| CN103464667B (en) * | 2013-09-05 | 2016-07-20 | 青岛宏达锻压机械有限公司 | A kind of mixed drive guide type electric screw press |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121219 Effective date of abandoning: 20140827 |
|
| RGAV | Abandon patent right to avoid regrant |