CN204075648U - Main shaft bearing press-loading apparatus - Google Patents
Main shaft bearing press-loading apparatus Download PDFInfo
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- CN204075648U CN204075648U CN201420523670.7U CN201420523670U CN204075648U CN 204075648 U CN204075648 U CN 204075648U CN 201420523670 U CN201420523670 U CN 201420523670U CN 204075648 U CN204075648 U CN 204075648U
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Abstract
The utility model discloses main shaft bearing press-loading apparatus, comprise installation riser, one side of described installation riser is respectively equipped with main shaft apparatus for placing, bearing fixing device and bearing press-fitting device from bottom to up, described main shaft apparatus for placing is fixed on base plate, described base plate is fixed on the bottom of installing riser, riser is up and down is connected with installation by connecting plate for described bearing fixing device, and described bearing press-fitting device is fixed on installation riser.From said structure, main shaft bearing press-loading apparatus of the present utility model, structure is simple, different according to main shaft and bearing, select suitable gland, contacted with bearing inner race by gland, by bearing press mounting to the pedestal of main shaft, press-fit in process, the force part of main shaft is the relatively low bearing limiting stand of required precision, press-fits in process at bearing, even if bearing limiting stand creates distortion, also can not impact main shaft itself, ensure that the efficiency that main shaft bearing press-fits and quality, decrease the generation of waste product.
Description
Technical field
The utility model relates to plant equipment and manufactures field, is specifically related to a kind of main shaft bearing press-loading apparatus.
Background technology
Manufacture field in plant equipment, as long as there is axial workpiece, just must carry out the installation of bearing to it.When axial workpiece needing install bearing, being generally by manual type, first by axial workpiece righting, then beaing axial workpiece by external force, by beaing, axial workpiece being sent into bearing inner edge.But this mode exists following shortcoming: high, the disposable qualification rate of scrappage is low, after connecting, axiality is poor, can damage axial workpiece even when mounted, and workman's working strength is large, and inefficiency, can not produce in batches.There is multiple bearing press-fitting device afterwards on the market, generally be divided into the vertical mounting structure of rotating shaft and rotating shaft Horizontal mounting arrangements two kinds, due to when rotating shaft level is installed, the gravity of bearing is radial load, before the pedestal forced contact of bearing and rotating shaft, the gravity of bearing cannot be offset, and is not easy to the installation of bearing.The bearing press-fitting device that the patent No. is 201210214035.6 is similar to so employ more at large on the market afterwards.But the bearing press-fitting device of this structure, by rotating shaft being pressed in the bearing that fixes, suffered by roller end, pressure is larger, roller end can be made to produce distortion, especially, when shaft length is longer or rotating shaft diameter is thinner time, when press-fiting in process, even rotating shaft can be bent, cause axial workpiece directly to be scrapped, add the production cost of enterprise.
Summary of the invention
The purpose of this utility model is: overcome the deficiencies in the prior art, a kind of main shaft bearing press-loading apparatus is provided, structure is simple, different according to main shaft and bearing, select suitable gland, contacted with bearing inner race by gland, by bearing press mounting to the pedestal of main shaft, press-fit in process, the force part of main shaft is the relatively low bearing limiting stand of required precision, press-fits in process at bearing, even if bearing limiting stand creates distortion, also can not impact main shaft itself, ensure that the efficiency that main shaft bearing press-fits and quality, decrease the generation of waste product; The clamping of main shaft is completed by collar bush, and clamping device can not produce main shaft surface and damage, and ensures surface quality and the precision of main shaft; The fixed clamp position of bearing is the race ring that hardness is very high, is press-fiting in process, because bearing outer ring can be freely up and down movable by bearing fixing device, so also can not produce stress between bearing outer ring and inner ring, ensures the service life of bearing.
Technical solution adopted in the utility model is:
Main shaft bearing press-loading apparatus, comprise installation riser, one side of described installation riser is respectively equipped with main shaft apparatus for placing, bearing fixing device and bearing press-fitting device from bottom to up, described main shaft apparatus for placing is fixed on base plate, described base plate is fixed on the bottom of installing riser, riser is up and down is connected with installation by connecting plate for described bearing fixing device, and described bearing press-fitting device is fixed on installation riser.
The further improvement project of the utility model is, described main shaft apparatus for placing comprises platen, base plate top is fixed on by stand in the bottom of platen, the middle part of described platen is fixed with collar bush by multiple clamping device, platen is positioned at collar bush bottom position place and is provided with through hole A, and described clamping device is distributed in around through hole A.
The utility model further improvement project is, the bottom end face of described collar bush is outwards provided with bulge loop, the external diameter of described bulge loop is greater than the diameter of through hole A, the internal diameter of collar bush is equal with the internal diameter of bulge loop, be less than or equal to the diameter of through hole A, and being less than the diameter of set bearing limiting stand on main shaft, the diameter of described through hole A is greater than the diameter of main shaft.
The utility model further improvement project is, described clamping device is flexibly connected with platen by piston, and described piston is fixed on table top.
The utility model further improvement project is, the middle part of described bearing fixing device is provided with through hole B, and surrounding bearing fixing device being positioned at through hole B is distributed with multiple pawl pincers, and the diameter of described through hole B is greater than the diameter of set bearing limiting stand on main shaft.
The utility model further improvement project is, described bearing fixing device is connected with connecting plate is up and down by the vertical chute set by connecting plate.
The utility model further improvement project is, described bearing press-fitting device comprises pressure pipe, and described pressure pipe and handwheel are in transmission connection, and described pressure pipe is positioned at the bottom of bearing press-fitting device, be connected with bearing press-fitting device is up and down, the side of bearing press-fitting device is located at by handwheel.
The utility model further improvement project is, the outside of described pressure pipe is fixed with vertical tooth bar, and the output shaft of vertical tooth bar and reduction box is in transmission connection, and power shaft and the handwheel of described reduction box are in transmission connection, and described reduction box is fixed in bearing press-fitting device.
The utility model further improvement project is, the bottom of described pressure pipe is fixed with gland, and the top of described gland is provided with boss, and described boss and pressure pipe are fixed.
The utility model further improvement project is, the internal diameter of described gland is greater than the diameter of main shaft.
The beneficial effects of the utility model are:
The first, main shaft bearing press-loading apparatus of the present utility model, structure is simple, different according to main shaft and bearing, select suitable gland, contacted with bearing inner race by gland, by bearing press mounting to the pedestal of main shaft, press-fit in process, the force part of main shaft is the relatively low bearing limiting stand of required precision, press-fiting in process at bearing, even if bearing limiting stand creates distortion, also can not impact main shaft itself, ensure that the efficiency that main shaft bearing press-fits and quality, decrease the generation of waste product.
The second, main shaft bearing press-loading apparatus of the present utility model, the clamping of main shaft is completed by collar bush, and clamping device can not produce main shaft surface and damage, and ensures surface quality and the precision of main shaft.
Three, main shaft bearing press-loading apparatus of the present utility model, the fixed clamp position of bearing is the race ring that hardness is very high, press-fiting in process, because bearing outer ring can be freely up and down movable by bearing fixing device, so also stress can not be produced between bearing outer ring and inner ring, ensure the service life of bearing.
accompanying drawing illustrates:
Fig. 1 is the schematic front view of the utility model structure.
detailed description of the invention:
As shown in Figure 1, the utility model comprises installs riser 1, one side of described installation riser 1 is respectively equipped with main shaft apparatus for placing 2, bearing fixing device 3 and bearing press-fitting device 4 from bottom to up, described main shaft apparatus for placing 2 is fixed on base plate 5, described base plate 5 is fixed on the bottom of installing riser 1, described bearing fixing device 2 by connecting plate 6 with install that riser 1 is up and down to be connected, described bearing press-fitting device 4 is fixed on installation riser 1.
Described main shaft apparatus for placing 2 comprises platen, base plate 5 top is fixed on by stand 11 in the bottom of platen, the middle part of described platen is fixed with collar bush 7 by multiple clamping device 8, platen is positioned at collar bush 7 bottom position place and is provided with through hole A, the bottom end face that described clamping device 8 is distributed in described collar bush 7 around through hole A is outwards provided with bulge loop 10, the external diameter of described bulge loop 10 is greater than the diameter of through hole A, the internal diameter of collar bush 7 is equal with the internal diameter of bulge loop 10, be less than or equal to the diameter of through hole A, and be less than the diameter of set bearing limiting stand 21 on main shaft 20, the diameter of described through hole A is greater than the diameter of main shaft 20.
Described clamping device 8 is flexibly connected with platen by piston 9, the middle part that described piston 9 is fixed on bearing fixing device 3 described in table top is provided with through hole B, described in the diameter that the diameter that surrounding bearing fixing device 3 being positioned at through hole B is distributed with multiple pawl pincers 13, described through hole B is greater than set bearing limiting stand 21 on main shaft 20, bearing fixing device 3 is connected with connecting plate 6 is up and down by the vertical chute 14 set by connecting plate 6.
Described bearing press-fitting device 4 comprises pressure pipe 15, and described pressure pipe 15 is in transmission connection with handwheel 17, and described pressure pipe 15 is positioned at the bottom of bearing press-fitting device 4, and be connected with bearing press-fitting device 4 is up and down, the side of bearing press-fitting device 4 is located at by handwheel 17; The outside of described pressure pipe 15 is fixed with vertical tooth bar 18, and vertical tooth bar 18 is in transmission connection with the output shaft of reduction box, and power shaft and the handwheel 17 of described reduction box are in transmission connection, and described reduction box is fixed in bearing press-fitting device 4; The bottom of described pressure pipe 15 is fixed with gland 16, and the top of described gland 16 is provided with boss 19, and described boss 19 is fixed with pressure pipe 15; The internal diameter of described gland 16 is greater than the diameter of main shaft 20.
Described through hole A, through hole B and gland 16 are coaxially set.
When the utility model uses, according to the diameter of main shaft 20 and bearing limiting stand 21, select suitable collar bush 7, according to the model of bearing 12, select suitable gland 16; According to the length of main shaft 20 and the pedestal position of main shaft 20, regulate the setting height(from bottom) of bearing fixing device 3 and bearing press-fitting device 4; By main shaft 20 from the top down through collar bush 7, now main shaft 20 passes through the spacing of bearing limiting stand 21 with fixing, and collar bush 7 is positioned on platen with main shaft 20 together with bulge loop 10, drive clamping device 8 fixing for collar bush 7 and main shaft 20 to be fixed by the effect of piston 9; Bearing fixing device 3 is raised up to higher than main shaft 20 top, bearing 12 is fixed by pawl 13 levels that clamp, after bearing 12 is fixing, move downward along vertical chute 14 under gravity, until contact with the pedestal on main shaft 20; After gland 16 is fixed on pressure pipe 15 bottom by boss 19, rotate handwheel 17, by the transmission of reduction box, pressure pipe 15 is moved downward under the drive of tooth bar 18, after contact bearing 12, band dynamic bearing 12 moves downward, until bearing 12 is secured entirely on the pedestal of main shaft 20, and the lower surface of bearing 12 is contacted with bearing limiting stand 21; The pawl of bearing fixing device 3 pincers 13 are unclamped, and main shaft is taken out from collar bush 7; Repeat above-mentioned steps, the bearing 12 carrying out another root main shaft 20 press-fits operation.
Claims (10)
1. main shaft bearing press-loading apparatus, comprise and riser (1) is installed, one side of described installation riser (1) is respectively equipped with main shaft apparatus for placing (2), bearing fixing device (3) and bearing press-fitting device (4) from bottom to up, it is characterized in that: described main shaft apparatus for placing (2) is fixed on base plate (5), described base plate (5) is fixed on the bottom of installing riser (1), described bearing fixing device (2) is connected with installation riser (1) is up and down by connecting plate (6), and described bearing press-fitting device (4) is fixed on installs riser (1).
2. main shaft bearing press-loading apparatus as claimed in claim 1, it is characterized in that: described main shaft apparatus for placing (2) comprises platen, base plate (5) top is fixed on by stand (11) in the bottom of platen, the middle part of described platen is fixed with collar bush (7) by multiple clamping device (8), platen is positioned at collar bush (7) bottom position place and is provided with through hole A, and described clamping device (8) is distributed in around through hole A.
3. main shaft bearing press-loading apparatus as claimed in claim 2, it is characterized in that: the bottom end face of described collar bush (7) is outwards provided with bulge loop (10), the external diameter of described bulge loop (10) is greater than the diameter of through hole A, the internal diameter of collar bush (7) is equal with the internal diameter of bulge loop (10), be less than or equal to the diameter of through hole A, and being less than the diameter of the upper set bearing limiting stand (21) of main shaft (20), the diameter of described through hole A is greater than the diameter of main shaft (20).
4. main shaft bearing press-loading apparatus as claimed in claim 2, it is characterized in that: described clamping device (8) is flexibly connected with platen by piston (9), described piston (9) is fixed on table top.
5. main shaft bearing press-loading apparatus as claimed in claim 1, it is characterized in that: the middle part of described bearing fixing device (3) is provided with through hole B, surrounding bearing fixing device (3) being positioned at through hole B is distributed with multiple pawl pincers (13), and the diameter of described through hole B is greater than the diameter of the upper set bearing limiting stand (21) of main shaft (20).
6. main shaft bearing press-loading apparatus as claimed in claim 1, is characterized in that: described bearing fixing device (3) is connected with connecting plate (6) is up and down by the vertical chute (14) set by connecting plate (6).
7. main shaft bearing press-loading apparatus as claimed in claim 1, it is characterized in that: described bearing press-fitting device (4) comprises pressure pipe (15), described pressure pipe (15) and handwheel (17) are in transmission connection, described pressure pipe (15) is positioned at the bottom of bearing press-fitting device (4), be connected with bearing press-fitting device (4) is up and down, the side of bearing press-fitting device (4) is located at by handwheel (17).
8. main shaft bearing press-loading apparatus as claimed in claim 7, it is characterized in that: the outside of described pressure pipe (15) is fixed with vertical tooth bar (18), vertical tooth bar (18) is in transmission connection with the output shaft of reduction box, the power shaft of described reduction box and handwheel (17) are in transmission connection, and described reduction box is fixed in bearing press-fitting device (4).
9. main shaft bearing press-loading apparatus as claimed in claim 7, it is characterized in that: the bottom of described pressure pipe (15) is fixed with gland (16), the top of described gland (16) is provided with boss (19), and described boss (19) is fixed with pressure pipe (15).
10. main shaft bearing press-loading apparatus as claimed in claim 9, is characterized in that: the internal diameter of described gland (16) is greater than the diameter of main shaft (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420523670.7U CN204075648U (en) | 2014-09-12 | 2014-09-12 | Main shaft bearing press-loading apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420523670.7U CN204075648U (en) | 2014-09-12 | 2014-09-12 | Main shaft bearing press-loading apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204075648U true CN204075648U (en) | 2015-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420523670.7U Active CN204075648U (en) | 2014-09-12 | 2014-09-12 | Main shaft bearing press-loading apparatus |
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| CN (1) | CN204075648U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105666086A (en) * | 2016-03-31 | 2016-06-15 | 苏州元泰自动化科技有限公司 | Assembly mechanism for shaft bodies |
| CN108942168A (en) * | 2018-08-27 | 2018-12-07 | 上海交通大学 | A kind of electro spindle assembly tooling of pre-add elastic load |
| CN109623340A (en) * | 2019-02-21 | 2019-04-16 | 中车洛阳机车有限公司 | A kind of integral locomotive drive bearing press-fitting device |
| CN111828489A (en) * | 2020-07-31 | 2020-10-27 | 张建波 | Bearing assembling equipment |
-
2014
- 2014-09-12 CN CN201420523670.7U patent/CN204075648U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105666086A (en) * | 2016-03-31 | 2016-06-15 | 苏州元泰自动化科技有限公司 | Assembly mechanism for shaft bodies |
| CN108942168A (en) * | 2018-08-27 | 2018-12-07 | 上海交通大学 | A kind of electro spindle assembly tooling of pre-add elastic load |
| CN109623340A (en) * | 2019-02-21 | 2019-04-16 | 中车洛阳机车有限公司 | A kind of integral locomotive drive bearing press-fitting device |
| CN109623340B (en) * | 2019-02-21 | 2023-08-29 | 中车洛阳机车有限公司 | Press-fitting device for driving shaft of full-suspension locomotive |
| CN111828489A (en) * | 2020-07-31 | 2020-10-27 | 张建波 | Bearing assembling equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190301 Address after: 235300 North of 310 National Road East of Shundihe River, Dangshan County Economic Development Zone, Suzhou City, Anhui Province Patentee after: Anhui Shengchuan Precision Machinery Co., Ltd. Address before: 351117 768 Shiting West Road, Hanjiang District, Putian City, Fujian Province Patentee before: FUJIAN JINPU MACHINERY INDUSTRY CO., LTD. |