CN101832339A - Preloading structure of thrust bearing and extruder reducer with same - Google Patents
Preloading structure of thrust bearing and extruder reducer with same Download PDFInfo
- Publication number
- CN101832339A CN101832339A CN 201010150030 CN201010150030A CN101832339A CN 101832339 A CN101832339 A CN 101832339A CN 201010150030 CN201010150030 CN 201010150030 CN 201010150030 A CN201010150030 A CN 201010150030A CN 101832339 A CN101832339 A CN 101832339A
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- bearing
- thrust
- elastic component
- pressing structure
- thrust bearing
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 18
- 238000003825 pressing Methods 0.000 claims description 30
- 238000010276 construction Methods 0.000 claims description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 7
- 230000006872 improvement Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
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- Support Of The Bearing (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a preloading structure of a thrust bearing. A spring seat is arranged between a bearing pedestal and the thrust bearing; and one side of the spring seat which faces the thrust bearing is provided with an elastic component. The invention also discloses an extruder reducer with the preloading structure. In the preloading structure of the thrust bearing, the spring seat is arranged between the bearing pedestal and the thrust bearing and one side of the spring seat which faces the thrust bearing is provided with the elastic component, so that when a shaft is not stressed or is stressed by an acting force, opposite to a preloading force, of the thrust bearing, the shaft can be stressed by the preloading force which is applied by the elastic component to the thrust bearing so as to guarantee that the thrust bearing can work normally.
Description
Technical field
The present invention relates to the bearing pre-tightened technical field, particularly a kind of pre-pressing structure of thrust-bearing.The invention still further relates to a kind of extruder reducer that comprises above-mentioned pre-pressing structure.
Background technique
Thrust-bearing is to be used for bearing specially the special bearing of axial force, bears the bearing of the parallel direction power of axle exactly.Thrust-bearing is also referred to as thrust bearing.Thrust bearing generally is made up of two thrust washers or more thrust washers and some rolling elements, and general thrust washer is divided into a sheet and a seat sheet, and rolling element generally the most common pattern is to be combined into integral body by irony or copper holder.The type bearing is the most common to be the steel ball type thrust-bearing.
The extruder speed reducer is the transmission part for the hard flank of tooth band of the highi degree of accuracy of the supporting design of plastics screw extruding machine thrust bearing.Extruder speed reducer low speed axle head when using will bear very big axial force, so increased a thrust-bearing at the low speed axle head, present scheme is that the inner ring with thrust-bearing is installed on the lower velocity shaft, and an end withstands on the shaft shoulder, and the outer ring directly withstands on the bearing support.
Thrust-bearing need of work pretightening force not only can't not worked if there is pretightening force, and thrust-bearing can lose efficacy when long-time no pretightening force.Under the existing scheme, when lower velocity shaft was subjected to from bottom to top power effect, thrust-bearing can be compacted, and pretightening force is arranged, and was working properly; But when lower velocity shaft was subjected to power effect from the top down or does not have active force, thrust-bearing did not have pretightening force, and this situation thrust-bearing lost efficacy, and can't bear axial force, and the hidden danger of damage is arranged.
Summary of the invention
The thrust-bearing pre-pressing structure that the purpose of this invention is to provide a kind of effectively pretension thrust-bearing.Another object of the present invention provides a kind of extruder reducer that is used for above-mentioned pre-pressing structure.
In order to solve the problems of the technologies described above, the invention provides a kind of pre-pressing structure of thrust-bearing, be used for thrust-bearing is carried out pretension, make the thrust-bearing performance bear the effect of axial force, between bearing support and thrust-bearing, be provided with spring seat;
One side of described seat surface axial thrust bearing is equipped with elastic component.
Preferably, in the pre-pressing structure of above-mentioned thrust-bearing, a side of described seat surface axial thrust bearing is provided with the elastic component mounting groove;
Described elastic component is arranged in the mounting groove.
Preferably, in the pre-pressing structure of above-mentioned thrust-bearing, described spring seat is the ring-type monolithic construction.
Preferably, in the pre-pressing structure of above-mentioned thrust-bearing, described elastic component mounting groove is evenly distributed on the described spring seat.
Preferably, in the pre-pressing structure of above-mentioned thrust-bearing, described elastic component is a spring.
A kind of extruder reducer comprises the pre-pressing structure of top each described thrust-bearing, and this pre-pressing structure is installed on the output shaft of extruder reducer.
Relative above-mentioned background technology, the pre-pressing structure of thrust-bearing provided by the present invention, it is provided with spring seat between bearing support and thrust-bearing; One side of described seat surface axial thrust bearing is equipped with elastic component.Therefore, when axle does not stress or be subjected to pretightening force opposite effect power with thrust-bearing, can be subjected to the pretightening force that elastic component is given thrust-bearing, guarantee that it can work normally.
As a kind of improvement, a side of described seat surface axial thrust bearing is provided with the elastic component mounting groove; Described elastic component is arranged in the mounting groove.Like this, the described installation of being convenient to elastic component and fixing improves the stability of pretension.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technological scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The pre-pressing structure schematic representation of a kind of thrust-bearing that Fig. 1 provides for the embodiment of the invention.
Embodiment
Core of the present invention provides a kind of thrust-bearing pre-pressing structure of effectively pretension thrust-bearing.Another core of the present invention provides a kind of extruder reducer that is used for above-mentioned pre-pressing structure.
In order to make those skilled in the art person understand the present invention program better, the present invention is described in further detail below in conjunction with drawings and embodiments.
Please refer to Fig. 1, the pre-pressing structure schematic representation of a kind of thrust-bearing that Fig. 1 provides for the embodiment of the invention.
Wherein, 1 is bearing support, and 2 is thrust-bearing, and 3 is spring seat, and 4 is spring.
The pre-pressing structure of thrust-bearing provided by the invention is provided with spring seat 3 between bearing support 1 and thrust-bearing 2; Described spring seat 3 is equipped with elastic component towards a side of thrust-bearing 2.In a kind of specific embodiment of the present invention, thrust-bearing 2 inner rings are by shaft shoulder location, and the outer ring is by spring seat 3 location.Elastic component herein is preferably spring 4, and the elastic force of spring is bigger, and low price.
In sum, the pre-pressing structure of thrust-bearing provided by the present invention, it is provided with spring seat 3 described spring seats 32 of bearing support 1 thrust-bearings and towards thrust-bearing 2 one sides elastic component is installed.Therefore, when axle does not stress or be subjected to pretightening force opposite effect power with thrust-bearing, can be subjected to the pretightening force that elastic component is given thrust-bearing, guarantee that it can work normally.
In addition, install for the ease of spring or other elastic components, be provided with the elastic component mounting groove in a side of seat surface axial thrust bearing, elastic component is arranged in the mounting groove.Because the elasticity of spring or other elastic components in use for some time, elastic effect can reduce, so need in time to change this elastic component, by the elastic component mounting groove is set, is convenient to the location to elastic component, and convenient the installation.
Wherein spring seat is the ring-type monolithic construction, helps like this to guarantee that it is sleeved on the axle, and all-in-one-piece structure can reduce manufacture cost by the large batch of production of casting.
Wherein, the elastic component mounting groove is evenly distributed on the described spring seat.Reasonably distribute pretightening force, guarantee that pretightening force acts on the bearing uniformly.
The embodiment of the invention also discloses a kind of extruder reducer, comprise the pre-pressing structure of thrust-bearing recited above, this pre-pressing structure is installed on the output shaft of extruder reducer.
The pre-pressing structure of thrust-bearing of the present invention can be applied in the mechanism of any use thrust-bearing, is not limited only to a kind of form of extruder reducer.
In sum, on the basis of existing scheme, increase the integrated type spring seat of a ring-type between bearing support and thrust-bearing, be distributed the elastic component mounting groove a side ring shape of seat surface axial thrust bearing, mounting groove is pressed several angle uniformly at intervals.Before closing speed reducer, earlier spring is installed in the spring seat, adjust the thrust-bearing gap and reach specified value, carry out the speed reducer mould assembling again, adjust with regard to the installation that makes thrust-bearing like this that standard is reliable more.Guaranteed thrust-bearing moment pretension under spring action, can normally bring into play the effect of sharing axial force, and guarantee its operating life.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and other embodiments' difference that identical similar part is mutually referring to getting final product between each embodiment.
More than the pre-pressing structure and the applied extruder reducer thereof of thrust-bearing provided by the present invention is described in detail.Used specific case herein principle of the present invention and mode of execution are set forth, above embodiment's explanation just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (6)
1. the pre-pressing structure of a thrust-bearing is characterized in that, is provided with spring seat between bearing support and thrust-bearing;
One side of described seat surface axial thrust bearing is equipped with elastic component.
2. the pre-pressing structure of thrust-bearing as claimed in claim 1 is characterized in that, a side of described seat surface axial thrust bearing is provided with the elastic component mounting groove;
Described elastic component is arranged in the mounting groove.
3. the pre-pressing structure of thrust-bearing as claimed in claim 2 is characterized in that, described spring seat is the ring-type monolithic construction.
4. the pre-pressing structure of thrust-bearing as claimed in claim 3 is characterized in that, described elastic component mounting groove is evenly distributed on the described spring seat.
5. the pre-pressing structure of thrust-bearing as claimed in claim 4 is characterized in that, described elastic component is a spring.
6. an extruder reducer is characterized in that, comprises the pre-pressing structure as each described thrust-bearing of claim 1-5, and this pre-pressing structure is installed on the output shaft of extruder reducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010150030 CN101832339A (en) | 2010-04-15 | 2010-04-15 | Preloading structure of thrust bearing and extruder reducer with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010150030 CN101832339A (en) | 2010-04-15 | 2010-04-15 | Preloading structure of thrust bearing and extruder reducer with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101832339A true CN101832339A (en) | 2010-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010150030 Pending CN101832339A (en) | 2010-04-15 | 2010-04-15 | Preloading structure of thrust bearing and extruder reducer with same |
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| Country | Link |
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| CN (1) | CN101832339A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102840310A (en) * | 2012-08-27 | 2012-12-26 | 南京金格尔齿轮箱有限公司 | Twin-screw extruder gear case |
| CN104220767A (en) * | 2011-07-14 | 2014-12-17 | 戴维斯-标准有限公司 | Combination thrust flange and thrust plate |
| CN105909731A (en) * | 2015-02-24 | 2016-08-31 | 住友重机械工业株式会社 | Speed reducer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4363608A (en) * | 1981-04-20 | 1982-12-14 | Borg-Warner Corporation | Thrust bearing arrangement |
| JPS63243522A (en) * | 1987-03-26 | 1988-10-11 | Senyo Glass Kogyo Kk | Thrust bearing construction relative to rotating shaft |
| US5433536A (en) * | 1993-06-18 | 1995-07-18 | Aktiebolaget Skf | Thrust bearings |
| CN2351614Y (en) * | 1998-06-10 | 1999-12-01 | 机械工业部西安重型机械研究所 | Speed reducer for screw extruder |
| CN201391548Y (en) * | 2009-03-13 | 2010-01-27 | 洛阳轴研科技股份有限公司 | Thrust bearing for rolling mill |
| CN201705807U (en) * | 2010-04-15 | 2011-01-12 | 沃德(天津)传动有限公司 | Pretightening structure of thrust bearing and extruder speed reducer provided with pretightening structure |
-
2010
- 2010-04-15 CN CN 201010150030 patent/CN101832339A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4363608A (en) * | 1981-04-20 | 1982-12-14 | Borg-Warner Corporation | Thrust bearing arrangement |
| JPS63243522A (en) * | 1987-03-26 | 1988-10-11 | Senyo Glass Kogyo Kk | Thrust bearing construction relative to rotating shaft |
| US5433536A (en) * | 1993-06-18 | 1995-07-18 | Aktiebolaget Skf | Thrust bearings |
| CN2351614Y (en) * | 1998-06-10 | 1999-12-01 | 机械工业部西安重型机械研究所 | Speed reducer for screw extruder |
| CN201391548Y (en) * | 2009-03-13 | 2010-01-27 | 洛阳轴研科技股份有限公司 | Thrust bearing for rolling mill |
| CN201705807U (en) * | 2010-04-15 | 2011-01-12 | 沃德(天津)传动有限公司 | Pretightening structure of thrust bearing and extruder speed reducer provided with pretightening structure |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104220767A (en) * | 2011-07-14 | 2014-12-17 | 戴维斯-标准有限公司 | Combination thrust flange and thrust plate |
| CN102840310A (en) * | 2012-08-27 | 2012-12-26 | 南京金格尔齿轮箱有限公司 | Twin-screw extruder gear case |
| CN102840310B (en) * | 2012-08-27 | 2015-05-20 | 南京金格尔齿轮箱有限公司 | Twin-screw extruder gear case |
| CN105909731A (en) * | 2015-02-24 | 2016-08-31 | 住友重机械工业株式会社 | Speed reducer |
| JP2016156436A (en) * | 2015-02-24 | 2016-09-01 | 住友重機械工業株式会社 | Speed reduction device |
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Owner name: WODE (TIANJIN) TRANSMISSION CO., LTD. Free format text: FORMER OWNER: HU WEI Effective date: 20101119 |
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Free format text: CORRECT: ADDRESS; FROM: 100020 2912, JINGGUANG CENTER OFFICE BUILDING, CHAOYANG DISTRICT, BEIJING TO: 300402 JUNCTION OF GAOXIN AVENUE AND JINGMING ROAD, BEICHEN SCIENCE AND TECHNOLOGY PARK, TIANJIN CITY |
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Effective date of registration: 20101119 Address after: 300402 Tianjin science and Technology Park of Beichen high road and Jingming road junction Applicant after: World Transmission Technology (Tianjin) Co., Ltd. Address before: 100020 office building, Jing Guang Center, Chaoyang District, Beijing 2912 Applicant before: Hu Wei |
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Application publication date: 20100915 |