CN203109694U - Screw support bearing mounting device with seal mechanism - Google Patents
Screw support bearing mounting device with seal mechanism Download PDFInfo
- Publication number
- CN203109694U CN203109694U CN 201220730521 CN201220730521U CN203109694U CN 203109694 U CN203109694 U CN 203109694U CN 201220730521 CN201220730521 CN 201220730521 CN 201220730521 U CN201220730521 U CN 201220730521U CN 203109694 U CN203109694 U CN 203109694U
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- China
- Prior art keywords
- bearing
- labyrinth
- screw mandrel
- fixed seat
- ring
- 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
- 238000007789 sealing Methods 0.000 claims description 31
- 125000006850 spacer group Chemical group 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 210000004722 stifle Anatomy 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
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- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The utility model relates to the technical field of lathe manufacture and particularly relates to a screw support bearing mounting device with a seal mechanism. The screw support bearing mounting device with the seal mechanism comprises a bearing fixing base, a screw support bearing and a bearing seal mechanism, wherein the screw support bearing is arranged in the bearing fixing base for supporting a screw, and the bearing seal mechanism is arranged at the two ends of the bearing fixing base. The screw support bearing mounting device is characterized in that the bearing seal mechanism comprises a labyrinth ring, a labyrinth bushing matched with the labyrinth ring and a lock nut, the labyrinth bushing is connected with the bearing fixing base, the labyrinth ring is arranged in the labyrinth bushing and fixed by the lock nut, a labyrinth structure is formed by the labyrinth ring and the labyrinth bushing, and a clearance between the labyrinth ring and the labyrinth bushing can be adjusted by the lock nut. The main shaft seal mechanism can effectively prevent dust and oil dirt from entering the screw support bearing in the work process of a lathe and has the advantages of good seal effect, convenience in installation and long service life. Besides, the clearance between the labyrinth ring and the labyrinth bushing can be adjusted so as to meet seal requirements under different conditions.
Description
Technical field
The utility model relates to the technology of Machine Tool field, especially a kind of screw mandrel spring bearing erecting device with sealing mechanism.
Background technology
Screw mandrel is the core transmission component of machine tooling, in the machine tooling process, can produce a large amount of dust, in a single day dust enters in the screw mandrel bearing, can cause the wearing and tearing of screw mandrel spring bearing, the precision of reduction lathe, not only influence the machining accuracy of product, and can reduce the service life of lathe.
Traditional bearing sealing device is a rubber ring to be set seal between bearing and end cap, but sealing effectiveness is undesirable, and the service life of rubber is short, needs often to change.For addressing the above problem, a number of patent application is: 201110435099.4 application for a patent for invention discloses a kind of simple and easy main shaft device, comprise main shaft device, it is characterized in that: be installed with preceding stifle on the described main shaft device, back stifle, main shaft are nested in preceding stifle, the back stifle, main shaft seals with labyrinth spacer and main shaft device at the fore bearing place at preceding stifle place suit fore bearing; Suit rear bearing on the main shaft at stifle place, back, and seal with sealing ring and main shaft device; Main shaft at stifle place, back flexibly connects belt pulley, and fixes with the assembly cap.
The existing bearing sealing mechanism, by a labyrinth type spacer is set to reach sealing function between bearing and stifle, it is superior to traditional seal with elastometic washer to a certain extent, but the sealing effectiveness of this kind hermetically-sealed construction can not be guaranteed, and the gap of labyrinth spacer is unadjustable.
The utility model content
In order to overcome the deficiency of above-mentioned bearing sealing device, the utility model provides a kind of screw mandrel spring bearing erecting device with sealing mechanism, comprise bearing fixed seat, the screw mandrel spring bearing, bearing sealing device, described screw mandrel spring bearing is arranged at and is used for support screw in the bearing fixed seat, bearing sealing device is arranged at the bearing fixed seat two ends, it is characterized in that: described bearing sealing device comprises labyrinth ring, with the suitable labyrinth bush of labyrinth ring, lock nut, described labyrinth bush is connected with bearing fixed seat, labyrinth ring is located in the labyrinth bush and is fixed with labyrinth bush formation labyrinth structure and by lock nut, and described lock nut can be regulated the gap between labyrinth ring and the labyrinth bush.
Further, labyrinth bush comprises the labyrinth bush that is arranged at the screw mandrel front end and the labyrinth bush that is arranged at the screw mandrel rear end, and the labyrinth bush and the bearing fixed seat that are arranged at the screw mandrel front end are one-body molded, and the labyrinth bush that is arranged at the screw mandrel rear end is connected by screw with bearing fixed seat.
Further, bearing fixed seat is provided with cushion pad.
Further, cushion pad is arranged at the bearing fixed seat front end, is connected by screw with bearing fixed seat.
Further, the screw mandrel spring bearing is a pair of thrust angular contact bearing, spacer ring and outer spacer ring in being provided with between the described two thrust angular contact bearings.
By above-mentioned to description of the present utility model as can be known, compared with prior art, the utlity model has following beneficial effect:
The screw mandrel spring bearing erecting device of this kind band sealing mechanism, form bearing sealing device by split type labyrinth ring and labyrinth bush, changed with labyrinth bush by the labyrinth and to form split type labyrinth seal mechanism jointly, can prevent effectively that dust and greasy dirt enter the screw mandrel spring bearing in the lathe course of work, its good sealing effect, easy for installation, long service life, and can regulate gap between labyrinth ring and the labyrinth bush to satisfy the needs of different condition sealing by lock nut.
Description of drawings
Fig. 1 is the structural representation of the screw mandrel spring bearing erecting device of the utility model specific embodiment band sealing mechanism.
The specific embodiment
Below the utility model will be further described by the specific embodiment.
With reference to shown in Figure 1, a kind of screw mandrel spring bearing erecting device with sealing mechanism comprises bearing fixed seat 1, screw mandrel spring bearing 2, bearing sealing device 3, cushion pad 4.
Screw mandrel spring bearing 2 is arranged at and is used for support screw 10 in the bearing fixed seat 1, screw mandrel spring bearing 2 is a pair of thrust angular contact bearing 21,22, spacer ring 23 and outer spacer ring 24 in being provided with between the two thrust angular contact bearings 21,22, interior spacer ring 23 and outer spacer ring 24 concentric settings.
Bearing sealing device 3 is arranged at bearing fixed seat 1 two ends and is used for sealing screw mandrel spring bearing 2, prevent that effectively dust and greasy dirt enter screw mandrel spring bearing 2 in the lathe course of work, this bearing sealing device 3 comprises labyrinth ring 31, labyrinth bush 32, lock nut 33, the labyrinth bush and the bearing fixed seat 1 that are arranged at bearing fixed seat 1 front end are one-body molded, and the labyrinth bush 32 that is arranged at bearing fixed seat 2 rear ends is connected by screw 11 with bearing fixed seat 1; Labyrinth ring 31 is located in the labyrinth bush 32 and is constituted labyrinth structure and fixing by lock nut 33 with labyrinth bush 32; Lock nut 33 can be regulated the gap between labyrinth ring 31 and the labyrinth bush 32.
Above-mentioned only is a specific embodiment of the present utility model, but design concept of the present utility model is not limited thereto, and allly utilizes this design that the utility model is carried out the change of unsubstantiality, all should belong to the behavior of invading the utility model protection domain.
Claims (5)
1. screw mandrel spring bearing erecting device with sealing mechanism, comprise bearing fixed seat, the screw mandrel spring bearing, bearing sealing device, described screw mandrel spring bearing is arranged at and is used for support screw in the bearing fixed seat, bearing sealing device is arranged at the bearing fixed seat two ends, it is characterized in that: described bearing sealing device comprises labyrinth ring, with the suitable labyrinth bush of labyrinth ring, lock nut, described labyrinth bush is connected with bearing fixed seat, labyrinth ring is located in the labyrinth bush and is fixed with labyrinth bush formation labyrinth structure and by lock nut, and described lock nut can be regulated the gap between labyrinth ring and the labyrinth bush.
2. the screw mandrel spring bearing erecting device of band sealing mechanism according to claim 1, it is characterized in that: described labyrinth bush comprises the labyrinth bush that is arranged at the screw mandrel front end and is arranged at the labyrinth bush of screw mandrel rear end, the labyrinth bush and the bearing fixed seat that are arranged at the screw mandrel front end are one-body molded, and the labyrinth bush that is arranged at the screw mandrel rear end is connected by screw with bearing fixed seat.
3. the screw mandrel spring bearing erecting device of band sealing mechanism according to claim 1, it is characterized in that: described bearing fixed seat is provided with cushion pad.
4. according to the screw mandrel spring bearing erecting device of the described band sealing mechanism of claim 3, it is characterized in that: described cushion pad is arranged at the bearing fixed seat front end, is connected by screw with bearing fixed seat.
5. the screw mandrel spring bearing erecting device of band sealing mechanism according to claim 1, it is characterized in that: described screw mandrel spring bearing is a pair of thrust angular contact bearing, spacer ring and outer spacer ring in being provided with between the described two thrust angular contact bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220730521 CN203109694U (en) | 2012-12-25 | 2012-12-25 | Screw support bearing mounting device with seal mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220730521 CN203109694U (en) | 2012-12-25 | 2012-12-25 | Screw support bearing mounting device with seal mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203109694U true CN203109694U (en) | 2013-08-07 |
Family
ID=48890071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220730521 Expired - Lifetime CN203109694U (en) | 2012-12-25 | 2012-12-25 | Screw support bearing mounting device with seal mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203109694U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438093A (en) * | 2013-09-03 | 2013-12-11 | 常州机电职业技术学院 | High-rigidity bearing traction mechanism special for ball screw |
| CN103821893A (en) * | 2014-02-26 | 2014-05-28 | 南通原亚精密机械有限公司 | Novel screw rod |
| CN103953652A (en) * | 2014-04-25 | 2014-07-30 | 中国重型机械研究院股份公司 | Eccentric bearing seal sleeve and assemblies thereof |
| CN105317956A (en) * | 2015-11-30 | 2016-02-10 | 深圳市创世纪机械有限公司 | Screw lubricating and sealing structure of machining centre |
| CN106194835A (en) * | 2014-09-23 | 2016-12-07 | 哈米尔顿森德斯特兰德公司 | Fan and compressor case for air cycle machine |
| CN108443503A (en) * | 2018-04-09 | 2018-08-24 | 中国船舶重工集团公司第七0三研究所 | A kind of small angle of cut gear train assembly sound combined sealing structure |
| CN109048448A (en) * | 2018-09-10 | 2018-12-21 | 宁波海天精工股份有限公司 | A kind of lead screw support construction |
| US10619650B2 (en) | 2016-05-06 | 2020-04-14 | Hamilton Sundstrand Corporation | Air cycle machine fan and compressor housing |
| US10788046B2 (en) | 2018-01-05 | 2020-09-29 | Hamilton Sundstrand Corporation | Fan and compressor housing for an air cycle machine |
| CN113319634A (en) * | 2021-06-30 | 2021-08-31 | 厦门大金机械有限公司 | Machine tool screw rod prestretching installation mechanism |
-
2012
- 2012-12-25 CN CN 201220730521 patent/CN203109694U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438093A (en) * | 2013-09-03 | 2013-12-11 | 常州机电职业技术学院 | High-rigidity bearing traction mechanism special for ball screw |
| CN103438093B (en) * | 2013-09-03 | 2016-04-06 | 常州机电职业技术学院 | High-rigidity bearing traction mechanism special for ball screw |
| CN103821893A (en) * | 2014-02-26 | 2014-05-28 | 南通原亚精密机械有限公司 | Novel screw rod |
| CN103953652A (en) * | 2014-04-25 | 2014-07-30 | 中国重型机械研究院股份公司 | Eccentric bearing seal sleeve and assemblies thereof |
| CN106194835A (en) * | 2014-09-23 | 2016-12-07 | 哈米尔顿森德斯特兰德公司 | Fan and compressor case for air cycle machine |
| US10661906B2 (en) | 2014-09-23 | 2020-05-26 | Hamilton Sundstrand Corporation | Fan and compressor housing for an air cycle machine |
| CN105317956A (en) * | 2015-11-30 | 2016-02-10 | 深圳市创世纪机械有限公司 | Screw lubricating and sealing structure of machining centre |
| US10619650B2 (en) | 2016-05-06 | 2020-04-14 | Hamilton Sundstrand Corporation | Air cycle machine fan and compressor housing |
| US10788046B2 (en) | 2018-01-05 | 2020-09-29 | Hamilton Sundstrand Corporation | Fan and compressor housing for an air cycle machine |
| CN108443503A (en) * | 2018-04-09 | 2018-08-24 | 中国船舶重工集团公司第七0三研究所 | A kind of small angle of cut gear train assembly sound combined sealing structure |
| CN109048448A (en) * | 2018-09-10 | 2018-12-21 | 宁波海天精工股份有限公司 | A kind of lead screw support construction |
| CN113319634A (en) * | 2021-06-30 | 2021-08-31 | 厦门大金机械有限公司 | Machine tool screw rod prestretching installation mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151215 Address after: 362012 intersection of West Ring Road and six road, Shuangyang street, Luojiang District, Fujian, Quanzhou Patentee after: FUJIAN PROVINCE J-TECH CNC MACHINERY CO.,LTD. Address before: North Street Community Fengze District Quanzhou road Pu Xia Mei 362000 cities in Fujian Province Patentee before: QUANZHOU JIATAI NUMERICAL CONTROL Co.,Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 362012, Fujian City, Quanzhou province Luojiang District Shuangyang street, West Ring Road and six road intersection Patentee after: J-TECH CNC TECHNOLOGY Co.,Ltd. Address before: 362012 intersection of West Ring Road and six road, Shuangyang street, Luojiang District, Fujian, Quanzhou Patentee before: FUJIAN PROVINCE J-TECH CNC MACHINERY CO.,LTD. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130807 |