CN201794994U - Speed reducer of extruder - Google Patents
Speed reducer of extruder Download PDFInfo
- Publication number
- CN201794994U CN201794994U CN2010205130668U CN201020513066U CN201794994U CN 201794994 U CN201794994 U CN 201794994U CN 2010205130668 U CN2010205130668 U CN 2010205130668U CN 201020513066 U CN201020513066 U CN 201020513066U CN 201794994 U CN201794994 U CN 201794994U
- Authority
- CN
- China
- Prior art keywords
- roller bearing
- shaft
- sealing cover
- covers
- 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 - Fee Related
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to a speed reducer of an extruder, and comprises a box body and a two-stage gear transmission mechanism; the two-stage gear transmission mechanism comprises a gear and a transmission shaft; the transmission shaft comprises an input shaft, an intermediate shaft and an output shaft; sealing covers are arranged on the outer sides of bears at two ends of the intermediate shaft respectively; one end surfaces of the sealing covers are in contact and connection with the end surfaces of the outer rings of the bearings, and hollow adjusting covers are arranged on the other end surfaces of the sealing cover; adjusting nuts are arranged in the middles of the adjusting covers; the adjust covers are in threaded connection with the adjusting nuts; the inner sides of the adjusting nuts are in contact and connection with the sealing covers; and the extending end of the output shaft is fixed on the box body through a cylindrical roller bearing, and the other end of the output shaft is fixed on the box body through a thrust self-aligning roller bearing and a cylindrical roller bearing. According to the utility model, the axial position of the transmission shaft can be adjusted precisely through the adjusting covers and the adjusting nuts; leak tightness of the complete machine is improved due to the sealing cover; and the bearings are better lubricated by changing the variety and the layout of the bearings, so that the service life is prolonged, and the maintenance cost is further reduced.
Description
Technical field
The utility model relates to the extruder speed reducer.
Background technique
Existing speed reducer adopts adjustment ring and stifle to adjust the axial position of axle, adjust ring: for the axially locating of parts on shaft and the axial clearance of adjusting rolling bearing are provided with, an end face of adjusting ring contacts with bearing (ball) cover or stifle flange, other end and bearing outer ring end face should have appropriate clearance, can adjust pad by plus-minus, adjust the axial clearance of bearing.Stifle: the bearing (ball) cover of driving gear the tip of the axis setting is a stifle, and stifle and casing contacting point also are provided with the adjustment pad, is connected on the casing with one group of screw.This structural adjustment is accurate inadequately, and sealing is not high yet.
Existing speed reducer transmission shaft adopts bearing fixing, makes it can only realize rotating, and controls its moving axially and radially.The external part of output shaft is fixedly mounted on the casing by roller bearing, the output shaft the other end is fixedly mounted on the casing by selfaligning bearing and self-aligning thrust roller bearing, selfaligning bearing is installed in the inboard, self-aligning thrust roller bearing is installed in the outside, such bearing layout can well restrictive axes axially and displacement radially, but so also caused Lubricants to be difficult to arrive the thrust roller bearing in the outside, make thrust roller bearing because of the lubricated damage of losing efficacy inadequately, reduced the working life of thrust roller bearing, thereby influence machine performance and quality, also increase maintenance cost.
The model utility content
The technical problems to be solved in the utility model is: a kind of extruder speed reducer is provided, solves the thrust roller bearing inefficacy and damage, the problem that working life is low is adjusted precision height, good airproof performance to jack shaft.
The technological scheme that its technical problem that solves the utility model adopts is: a kind of extruder speed reducer, comprise casing and secondary gear driving mechanism, the secondary gear driving mechanism comprises gear and transmission shaft, transmission shaft comprises input shaft, jack shaft and output shaft, the transmission shaft two ends by bearing fixing on casing, the bearing outside at described jack shaft two ends is provided with sealing cover, one end face of sealing cover is connected with the contact of bearing outer ring end face, the place, other end of sealing cover is provided with the adjustment lid of hollow, described adjustment lid middle part is provided with the adjustment nut, adjusting lid is connected with the adjustment nut thread, adjust inboard the contact with sealing cover of nut and be connected, described adjustment is covered by screw on casing.The external part of described output shaft is fixed on the casing by roller bearing, the other end of output shaft is fixed on the casing by self-aligning thrust roller bearing and roller bearing, described self-aligning thrust roller bearing is installed in the inboard, and described roller bearing is installed in the outside.
Further, described adjustment nut inboard has projection and contacts with sealing cover and be connected.
Further, described sealing cover side face is provided with two grooves, is provided with the O RunddichtringO in the groove.
The beneficial effects of the utility model are, of the present utility model by adjusting lid and adjusting nut the axial position of transmission shaft is adjusted the precision height, sealing cover has increased the sealing of complete machine, by changing the kind and the layout of bearing, reach the purpose that better lubricated each bearing increases the service life, thereby reduce maintenance cost.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a structural representation of the present utility model.
Among the figure: 1. jack shaft, 2. bearing, 3. sealing cover, the 31.O RunddichtringO is 4. adjusted lid, and 41. adjust nut, 5. output shaft, 6. self-aligning thrust roller bearing, 7. roller bearings.
Embodiment
In conjunction with the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic representation of simplification, basic structure of the present utility model only is described in a schematic way, so it only show the formation relevant with the utility model.
A kind of extruder speed reducer as shown in Figure 1, comprise casing and secondary gear driving mechanism, the secondary gear driving mechanism comprises gear and transmission shaft, transmission shaft comprises input shaft, jack shaft 1 and output shaft 5, bearing is installed at the transmission shaft two ends, bearing fixing is on casing, bearing 2 outsides at jack shaft 1 two ends are provided with sealing cover 3, sealing cover 3 side faces are provided with two grooves, be provided with O RunddichtringO 31 in the groove, one end face of sealing cover 3 is connected with the contact of bearing 2 cycle surfaces, place, the other end of sealing cover 3 is provided with the adjustment lid 4 of hollow, adjusts cover 4 middle parts and be provided with and adjust nut 41, adjusts to cover 4 and be threaded with adjustment nut 41, adjust nut 41 inboards and have projection and be connected with sealing cover 3 contacts, adjustment cover 4 by screw on casing.The external part of output shaft 5 is fixed on the casing by roller bearing, the other end of output shaft 5 is fixed on the casing by self-aligning thrust roller bearing 6 and roller bearing 7, self-aligning thrust roller bearing 6 is installed in the inboard, and roller bearing 7 is installed in the outside.
Adjust and cover 4 and be threaded with adjusting nut 41, can reach the effect of adjustment transmission shaft axial position by rotation adjustment nut 41, the threaded adjusting precision is higher.Sealing cover 3 and O RunddichtringO 31 play seal action.Self-aligning thrust roller bearing 6 and roller bearing 7 are used in combination and can reach restriction output shaft 5 axially and the requirement of radial displacement, inboard self-aligning thrust roller bearing 6 can be well lubricated in this topology layout, the roller bearing 7 in the outside also can obtain well lubricated simultaneously, avoid bearing because of the lubricated damage of losing efficacy inadequately, thereby prolong bearing working life, reduce maintenance cost.
With above-mentioned foundation desirable embodiment of the present utility model is enlightenment, and by above-mentioned description, the related work personnel can carry out various change and modification fully in the scope that does not depart from this model utility technological thought.The technical scope of this model utility is not limited to the content on the specification, must determine its technical scope according to the claim scope.
Claims (3)
1. extruder speed reducer, comprise casing and secondary gear driving mechanism, the secondary gear driving mechanism comprises gear and transmission shaft, transmission shaft comprises input shaft, jack shaft (1) and output shaft (5), the transmission shaft two ends by bearing fixing on casing, it is characterized in that: bearing (2) outside at described jack shaft (1) two ends is provided with sealing cover (3), one end face of sealing cover (3) is connected with the contact of bearing (2) cycle surface, the place, other end of sealing cover (3) is provided with the adjustment lid (4) of hollow, described adjustment lid (4) middle part is provided with adjusts nut (41), adjusting lid (4) is threaded with adjustment nut (41), adjust that nut (41) is inboard to be connected with sealing cover (3) contact, described adjustment cover (4) by screw on casing.The external part of described output shaft (5) is fixed on the casing by roller bearing, the other end of output shaft (5) is fixed on the casing by self-aligning thrust roller bearing (6) and roller bearing (7), described self-aligning thrust roller bearing (6) is installed in the inboard, and described roller bearing (7) is installed in the outside.
2. extruder speed reducer as claimed in claim 1 is characterized in that: described adjustment nut (41) inboard has projection and is connected with sealing cover (3) contact.
3. extruder speed reducer as claimed in claim 1 is characterized in that: described sealing cover (3) side face is provided with two grooves, is provided with O RunddichtringO (31) in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205130668U CN201794994U (en) | 2010-08-31 | 2010-08-31 | Speed reducer of extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205130668U CN201794994U (en) | 2010-08-31 | 2010-08-31 | Speed reducer of extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201794994U true CN201794994U (en) | 2011-04-13 |
Family
ID=43849903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205130668U Expired - Fee Related CN201794994U (en) | 2010-08-31 | 2010-08-31 | Speed reducer of extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201794994U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102242805A (en) * | 2011-07-11 | 2011-11-16 | 四川三桥减速机有限公司 | Speed reducer of efficient transmission energy-saving brick making machine |
| CN102423904A (en) * | 2011-10-24 | 2012-04-25 | 中国重型机械研究院有限公司 | Vacuum extruder transmission device based on modular design |
| CN106438949A (en) * | 2016-12-16 | 2017-02-22 | 湖南南方宇航高精传动有限公司 | Improved gearbox drive assembly supporting structure |
| CN106481791A (en) * | 2015-11-30 | 2017-03-08 | 衡阳双雁运输机械有限公司 | A kind of transmission shaft component |
| CN108119612A (en) * | 2018-02-06 | 2018-06-05 | 宜兴市台科实业有限公司 | A kind of efficient single-screw extruder gearbox |
-
2010
- 2010-08-31 CN CN2010205130668U patent/CN201794994U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102242805A (en) * | 2011-07-11 | 2011-11-16 | 四川三桥减速机有限公司 | Speed reducer of efficient transmission energy-saving brick making machine |
| CN102242805B (en) * | 2011-07-11 | 2014-03-19 | 四川三桥减速机有限公司 | Speed reducer of efficient transmission energy-saving brick making machine |
| CN102423904A (en) * | 2011-10-24 | 2012-04-25 | 中国重型机械研究院有限公司 | Vacuum extruder transmission device based on modular design |
| CN106481791A (en) * | 2015-11-30 | 2017-03-08 | 衡阳双雁运输机械有限公司 | A kind of transmission shaft component |
| CN106438949A (en) * | 2016-12-16 | 2017-02-22 | 湖南南方宇航高精传动有限公司 | Improved gearbox drive assembly supporting structure |
| CN108119612A (en) * | 2018-02-06 | 2018-06-05 | 宜兴市台科实业有限公司 | A kind of efficient single-screw extruder gearbox |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGSU SHINRI DAVID BROWN GEAR SYSTEMS CO., LTD. Free format text: FORMER OWNER: CHANGZHOU SPEED REDUCER GENERAL FACTORY CO., LTD. Effective date: 20110614 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 213149 ECONOMIC DEVELOPMENT ZONE (WEST SIDE OF ZHENXING NORTH ROAD), WUJIN DISTRICT, CHANGZHOU CITY, JIANGSU PROVINCE TO: 213000 NO. 68, FENGLIN ROAD, WUJIN HIGH-TECH. INDUSTRIAL DEVELOPMENT ZONE, WUJIN DISTRICT, CHANGZHOU CITY, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110614 Address after: 213000 Jiangsu city of Changzhou province Wujin Fenglin District of Wujin hi tech Industrial Development Zone, Road No. 68 Patentee after: Jiangsu Shinrui David Brown Gear Systems Co., Ltd. Address before: 213149 Wujin Economic Development Zone, Changzhou District, Jiangsu province (west side of Zhenxing North Road) Patentee before: Changzhou Speed Reducer General Factory Co., Ltd. |
|
| C56 | Change in the name or address of the patentee |
Owner name: JIANGSU XINRUI GEAR SYSTEM CO., LTD. Free format text: FORMER NAME: JIANGSU SHINRI DAVID BROWN GEAR SYSTEMS CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 213166 Jiangsu city of Changzhou province were Wujin high tech Industrial Development Zone, Road No. 68 Patentee after: Jiangsu Xin Rui gear train Co., Ltd Address before: 213000 Jiangsu city of Changzhou province Wujin Fenglin District of Wujin hi tech Industrial Development Zone, Road No. 68 Patentee before: Jiangsu Shinrui David Brown Gear Systems Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110413 Termination date: 20150831 |
|
| EXPY | Termination of patent right or utility model |