CN204035947U - A kind of assistant pressing tool press-fited for axle end bearing - Google Patents
A kind of assistant pressing tool press-fited for axle end bearing Download PDFInfo
- Publication number
- CN204035947U CN204035947U CN201320884197.0U CN201320884197U CN204035947U CN 204035947 U CN204035947 U CN 204035947U CN 201320884197 U CN201320884197 U CN 201320884197U CN 204035947 U CN204035947 U CN 204035947U
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- China
- Prior art keywords
- axle
- press
- guide pillar
- pillar seat
- bearing
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Abstract
The utility model relates to a kind of assistant pressing tool press-fited for axle end bearing, and this assistant pressing tool comprises: press, and it is provided with the driver part of workbench and vertically movement; Centering pressure head, is installed on the described driver part of described press, and its inner formation enters and the holding tank fixed for shaft extension; Guide pillar seat, is fixed on the workbench of described press, and described guide pillar seat is hollow column, and its top is provided with opening; Spring, is placed in described guide pillar seat, resets for positioning guide column; And positioning guide column, be placed in the described spring in described guide pillar seat.Structure of the present utility model is simple, easily operates, improves operation labor intensity, improve the assembly quality of axle, improve operating efficiency, and is convenient to install and safeguard.
Description
Technical field
The utility model relates to a kind of bearing assembling device, particularly a kind of assistant pressing tool press-fited for axle end bearing.
Background technology
Bearing is the running accuracy of the revolving support of transmission system axis, retainer shaft, reduces the friction and wear between rotating shaft and support.Its assembly technology whether reasonable, directly affects the service life of the stable of transmission system and bearing.Extensively adopt the instrument such as "painted-face" character in opera, sleeve directly to knock bearing in factory to install, this technique can cause bearing to produce Internal and external cycle distortion, crackle, and raceway is damaged, the mass defects such as sealed ring deformation.Except crackle, sealed ring deformation can visual examination out, all the other problems are not easily found, and leave potential safety hazard to transmission system stable operation.
Utility model content
The technical problems to be solved in the utility model is for above-mentioned deficiency, provides a kind of assistant pressing tool press-fited for axle end bearing.
The purpose of this utility model is achieved through the following technical solutions:
For the assistant pressing tool that axle end bearing press-fits, this assistant pressing tool comprises:
Press, it is provided with the driver part of workbench and vertically movement;
Centering pressure head, is installed on the described driver part of described press, and its inner formation enters and the holding tank fixed for shaft extension;
Guide pillar seat, is fixed on the workbench of described press, and described guide pillar seat is hollow column, and its top is provided with opening;
Spring, is placed in described guide pillar seat; With
Positioning guide column, is placed in the described spring in described guide pillar seat;
Under the state that described positioning guide column stretches out described opening, bearing holder (housing, cover) is loaded in described positioning guide column, and the described holding tank in described centering pressure head is resisted in one end of described axle, and the other end of described axle resists the upper surface in described positioning guide column.
Advantage of the present utility model and effect are:
A kind of assistant pressing tool press-fited for axle end bearing of the utility model, utilize the pressure of press to be loaded on axle by bearing holder (housing, cover), can ensure that bearing does not damage in installation process, and the accuracy of installation site can be ensured, can press-fit in batches, work enter process at the uniform velocity, without moment impact.Structure of the present utility model is simple, easily operates, improves operation labor intensity, improve the assembly quality of axle, improve operating efficiency, and is convenient to install and safeguard.
Accompanying drawing explanation
Fig. 1 is the structural representation of assistant pressing tool of the present utility model;
Fig. 2 is the structural representation of an embodiment of assistant pressing tool of the present utility model;
Fig. 3 is the structural representation of the centering pressure head in an embodiment of assistant pressing tool of the present utility model;
Fig. 4 is the structural representation of the positioning guide column in an embodiment of assistant pressing tool of the present utility model.
Description of reference numerals: 10-centering pressure head, 11-holding tank, 12-side opening, 13-jut, 20-axle, 30-bearing, 40-guide pillar seat, 41-opening, 42-maintenance portion, 50-spring, 60-positioning guide column, the spacing guide part of 61-, 62-bearing location division, 63-locating centre portion, 70-press, 71-driver part, 72-workbench, 73-fixed mount.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail:
As shown in Figure 1, the utility model is a kind of assistant pressing tool press-fited for axle end bearing, and it reaches the object be press fit into by bearing 30 on axle 20.This assistant pressing tool comprises: press 70, centering pressure head 10, guide pillar seat 40, spring 50 and positioning guide column 60.Press 70 is provided with the driver part 71 of workbench 72 and vertically movement.The pneumatic press machine that press 70 can select this area conventional or hydraulic pressure press.Preferably, press 70 is pneumatic press machine, and this pneumatic press machine has cylinder, and this cylinder can drive the piston with piston rod vertically to move up and down within it.Centering pressure head 10 is connected with the piston rod stretching out cylinder, and air cylinder driven piston rod drives centering pressure head 10 vertically to move up and down as driver part.
Centering pressure head 10 can be cylindrical, also can be square column type.The upper end of centering pressure head 10 is installed on driver part 71, the holding tank 11 that its inner formation is stretched into by lower end for axle 20.The diameter of axle of the internal diameter of this holding tank 11 and one end of axle 20 is matched in clearance, and fit clearance is (0.2 ~ 0.3) mm, and one of axle 20 corrects and can stretch into holding tank 11.When pressure head 10 of feeling relieved moves down, one end of axle 20 is placed in holding tank 11, also can play fixation, prevents axle 20 landing in moving process.The preferred of holding tank 11 is U-shaped holding tank, and U-shaped holding tank deep-slotted chip breaker center line is concentric with workpiece spindle.
Guide pillar seat 40 is fixed on the workbench 72 of press 70, and it is hollow column, and top is provided with opening 41, and the upper surface of opening 41 is that bearing shaft is to positioning supports face.Spring 50 is set in the hollow cavity of guide pillar seat 40, positioning guide column 60 is placed in guide pillar seat 40 inner spring portion 50, the bottom in guide pillar seat 40 is resisted in one end of spring 50, and the other end resists the bottom surface in positioning guide column 60, and the opening 41 making positioning guide column 60 stretch out guide pillar seat 40 is normality.Spring 50 operationally, resets for positioning guide column.Under the state that positioning guide column 60 stretches out opening 41, bearing 30 is set in positioning guide column 60, and the annular top surface (supporting surface) of the sidewall of the opening 41 on the ring-type bottom surface of bearing 30 and the top of guide pillar seat 40 is fitted.The holding tank 11 in centering pressure head 10 is resisted in one end (stiff end) of axle 20, and the other end (installation end) of axle 20 resists the upper surface in positioning guide column 60.The external diameter of the bearing set end of positioning guide column 60 and the internal diameter of bearing 30 are matched in clearance (external diameter of the internal diameter of bearing and the installation end of axle is fit dimension), fit clearance is (0.1 ~ 0.15) mm, bearing 30 is made easily to be set in positioning guide column 60, and when also making to press-fit work, be unlikely to cause damage to bearing 30 and axle 20 when axle 20 moves relative to bearing 30 with positioning guide column 60 one.The internal diameter of opening 41 is greater than the external diameter of the installation end of axle 20, avoids in installation process, and the opening that axle 20 stretches into guide pillar seat 40 should not be extracted, wearing and tearing axle surface.
During work, install in positioning guide column 60 by bearing 30 to be installed cover, the installation end of axle 20 aims at the upper surface of positioning guide column 60, and the stiff end of axle 20 inserts in the holding tank 11 of centering pressure head 10.Start press 70, driver part 71 drives centering pressure head 10 to be with moving axis 20 vertically to move down, the relative bearing 30 of active force that axle 20 drives positioning guide column 60 to overcome spring 50 moves down, until bearing 30 is set in the assigned address of axle 20, the work that once press-fits completes.
For above-mentioned assistant pressing tool, it is only applicable to press-fit the axle of a certain specification and bearing, if need to press-fit the axle of different size and bearing, then need to change the centering pressure head 10, positioning guide column 60 and the guide pillar seat 40 that meet dimensional requirement, and its structure can be continued to use.
Fig. 2 is the structural representation of an embodiment of assistant pressing tool of the present utility model.
Wherein, as shown in Figure 3, the sidewall of the holding tank 11 of centering pressure head 10 arranges side opening 12 to the preferred version of centering pressure head 10.Side opening 12 supplies the stiff end of axle 20 can laterally move into holding tank 11, centering pressure head 10 need not be unloaded or lifted by cylinder, just axle 20 can be inserted in holding tank 11.The bottom of holding tank 11, arranges the jut 13 of the strip matched with the strip groove of the end, one end of axle 20, to strengthen the stability of Fitted Axles along side opening 12 direction.The connection of the piston rod of centering pressure head 10 and driver part 71, according to piston-rod end place version, common have the built-in internal thread hole of piston rod and piston rod built in light pore structure.The configurable external screw thread of pressure head of feeling relieved during piston rod disposed thread hole connects; The configurable optical axis of pressure head of feeling relieved during the built-in unthreaded hole of piston rod is connected with hole, is fixed by piston rod side holding screw.And the internal diameter of the holding tank 11 of pressure head 10 of feeling relieved can the difference of the size of Fitted Axles as required, is designed to Multiple Type and carries out press-fiting use.
Wherein, as shown in Figure 4, positioning guide column 60 comprises the preferred version of positioning guide column 60: spacing guide part 61 and the bearing location division 62 be connected with spacing guide part 61.The external diameter of spacing guide part 61 is suitable with the intracavity diameter of guide pillar seat 40, is greater than the internal diameter of opening 41; The external diameter of bearing location division 62 is slightly less than the internal diameter of opening 41.Spacing guide part 61 is locked in the opening 41 of guide pillar seat 40, and the diameter of bearing location division 62 is less than spacing guide part 61, and the opening 41 of extended guide pillar seat 40, bearing 30 is set on bearing location division 62.This structure, under the effect of spring 50, the upper surface of the spacing guide part 61 of positioning guide column 60 is resisted in the opening 41 of guide pillar seat 40, and the opening 41 of guide pillar seat 40 is stretched out in bearing location division 62.The external diameter of bearing location division 62 is slightly less than the internal diameter (external diameter of the internal diameter of bearing and the installation end of axle is fit dimension) of bearing 30, bearing 30 is made easily to be set in positioning guide column 60, and when also making to press-fit work, be unlikely to cause damage to bearing 30 and axle 20 when axle 20 moves relative to bearing 30 with positioning guide column 60 one.Positioning guide column 60 also comprises: the locating centre portion 63 corresponding with the centre bore of the end face of the installation end of axle 20, locating centre portion 63 is connected with bearing location division 62.The spacing guide part 61 of positioning guide column 60, bearing location division 62 and locating centre portion 63 are designed to integrative-structure, convenient processing, cost-saving.
Wherein, the bottom of guide pillar seat 40 is outward extended with maintenance portion 42 along radial direction from center, and maintenance portion 42 and guide pillar seat 40 are designed to integrative-structure.Workbench 72 is provided with the fixed mount 73 with mesopore, and the diameter of its mesopore is slightly larger than the external diameter of guide pillar seat 40.Maintenance portion 42, through guide pillar seat 40, is fixed on bottom fixed mount 73, is fixed on workbench 72 to make guide pillar seat 40 by the mesopore of fixed mount 73.The difference of the axle that can press-fit as required and the size of bearing, is changed the guide pillar seat of other sizes and supporting positioning guide column, is installed on easily on the workbench 72 of press 70 by this structure.
The foregoing is only the utility model preferably embodiment, be not used for limiting practical range of the present utility model, as long as the equivalence change done in protection domain of the present utility model and modification, all should think and fall in protection domain of the present utility model.
Claims (3)
1. for the assistant pressing tool that axle end bearing press-fits, it is characterized in that, this assistant pressing tool comprises:
Press, it is provided with the driver part of workbench and vertically movement;
Centering pressure head, is installed on the described driver part of described press, and its inner formation enters and the holding tank fixed for shaft extension;
Guide pillar seat, is fixed on the workbench of described press, and described guide pillar seat is hollow column, and its top is provided with opening;
Spring, is placed in described guide pillar seat; With
Positioning guide column, is placed in the described spring in described guide pillar seat;
Under the state that described positioning guide column stretches out described opening, bearing holder (housing, cover) is loaded in described positioning guide column, and the described holding tank in described centering pressure head is resisted in one end of described axle, and the other end of described axle resists the upper surface in described positioning guide column;
The sidewall of the described holding tank of described centering pressure head arranges the side opening laterally moving into described holding tank for described axle;
Described positioning guide column comprises the spacing guide part in the described opening being locked to described guide pillar seat, diameter is less than described spacing guide part and the bearing location division be connected with described spacing guide part, and the locating centre portion corresponding with the centre bore of the other end end of described axle; Described locating centre portion is connected with described bearing location division;
The bottom of described guide pillar seat is outward extended with maintenance portion along radial direction from center, described workbench is provided with the fixed mount of mesopore, and the mesopore of described fixed mount is fixed on workbench through guide pillar seat.
2. a kind of assistant pressing tool press-fited for axle end bearing according to claim 1, it is characterized in that, the bottom of the described holding tank of described centering pressure head, arranges the strip jut matched with the strip groove of the end, one end of described axle along described side opening direction.
3. a kind of assistant pressing tool press-fited for axle end bearing according to claim 1 and 2, is characterized in that, the described spacing guide part of described positioning guide column, described bearing location division and described locating centre portion are configured as one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320884197.0U CN204035947U (en) | 2013-12-27 | 2013-12-27 | A kind of assistant pressing tool press-fited for axle end bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320884197.0U CN204035947U (en) | 2013-12-27 | 2013-12-27 | A kind of assistant pressing tool press-fited for axle end bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204035947U true CN204035947U (en) | 2014-12-24 |
Family
ID=52236655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320884197.0U Expired - Fee Related CN204035947U (en) | 2013-12-27 | 2013-12-27 | A kind of assistant pressing tool press-fited for axle end bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204035947U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104668942A (en) * | 2015-03-21 | 2015-06-03 | 河南瑞创通用机械制造有限公司 | Press fitting device for rubber sleeve bearing of screen box rocker of harvester |
| CN105149906A (en) * | 2015-08-05 | 2015-12-16 | 安徽巨一自动化装备有限公司 | Pressing gear alignment mechanism |
| CN107932039A (en) * | 2017-12-22 | 2018-04-20 | 南阳淅减汽车减振器有限公司 | A kind of shock absorber packing gland press-loading device |
-
2013
- 2013-12-27 CN CN201320884197.0U patent/CN204035947U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104668942A (en) * | 2015-03-21 | 2015-06-03 | 河南瑞创通用机械制造有限公司 | Press fitting device for rubber sleeve bearing of screen box rocker of harvester |
| CN105149906A (en) * | 2015-08-05 | 2015-12-16 | 安徽巨一自动化装备有限公司 | Pressing gear alignment mechanism |
| CN105149906B (en) * | 2015-08-05 | 2017-08-11 | 安徽巨一自动化装备有限公司 | Press-fit to gear mechanism |
| CN107932039A (en) * | 2017-12-22 | 2018-04-20 | 南阳淅减汽车减振器有限公司 | A kind of shock absorber packing gland press-loading device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 241080 Anhui province Wuhu City mountain Economic Development Zone E Xi Road No. 16 Patentee after: ZOOMLION HEAVY MACHINERY CO., LTD. Address before: 241080 Anhui province Wuhu City mountain Economic Development Zone E Xi Road No. 16 Patentee before: Chery Heavy Industry Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20201227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |