CN212169525U - Input shaft rear bearing pressure head capable of automatically overcoming coaxiality error - Google Patents
Input shaft rear bearing pressure head capable of automatically overcoming coaxiality error Download PDFInfo
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- CN212169525U CN212169525U CN201921827882.3U CN201921827882U CN212169525U CN 212169525 U CN212169525 U CN 212169525U CN 201921827882 U CN201921827882 U CN 201921827882U CN 212169525 U CN212169525 U CN 212169525U
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- pressure head
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- rear bearing
- input shaft
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Abstract
The utility model discloses an input shaft rear bearing pressure head capable of automatically overcoming coaxiality errors, which realizes the radial floating of a floating shaft by arranging a sleeve on the floating shaft, installing a thrust ball bearing and an O-shaped ring between the sleeve and the floating shaft and reversely installing a moving coil of the thrust ball bearing below the sleeve; the O-shaped ring has the advantages that the floating shaft is ensured to be in the central position in a natural state, the floating shaft is connected with the pressure head, the floating pressure head can automatically adapt to the coaxiality deviation between the bearing and the mounting hole in the press mounting process, and the problem of bearing press mounting failure is solved.
Description
Technical Field
The utility model relates to a technical field of the bearing pressure head of work piece especially relates to an automatic overcome bearing pressure head behind input shaft of axiality error.
Background
The press mounting of the bearing in the automatic assembly line of the gearbox is common, and due to certain errors in the adjustment of the press mounting equipment and the positioning of the workpiece on the tray, the coaxiality tolerance exists between the press head and the bearing mounting hole in the workpiece in the press mounting process. If the error is too large, the problem that the bearing cannot be pressed in is caused, as shown in fig. 1, the prior art has the defect that a pressure head does not float, and the main defect that the coaxiality deviation of the bearing and a mounting hole in the press-fitting process cannot be adapted, so that the press-fitting failure is caused.
Disclosure of Invention
The utility model discloses the technical problem that needs to solve is: the floating pressure head can automatically adapt to the coaxiality deviation between the bearing and the mounting hole in the press mounting process, and the problem of bearing press mounting failure is solved.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an input shaft rear bearing pressure head capable of automatically overcoming coaxiality errors comprises a pressure head, a clamping jaw mounting seat, a connecting shaft, a connecting plate, a floating shaft, a clamping jaw spring and a clamping jaw;
the pressure head is arranged on the clamping jaw mounting seat, a clamping jaw spring and a clamping jaw are arranged in the clamping jaw mounting seat, a floating shaft is sleeved in the clamping jaw mounting seat, the lower end of the floating shaft is connected with the pressure head, and the upper end of the floating shaft is connected with the connecting shaft through a connecting plate; a compression spring is arranged between the floating shaft and the clamping jaw mounting seat;
the floating shaft is sleeved with a sleeve, and at least two groups of thrust ball bearings are arranged between the sleeve and the floating shaft.
Preferably, in the at least two groups of thrust ball bearings, the moving coils of the thrust ball bearings close to the direction of the pressure head are arranged in opposite directions.
Preferably, at least one O-ring is arranged between the sleeve and the floating shaft for ensuring that the floating shaft is in a central position in a natural state.
Preferably, there are three of the jaws.
Preferably, the jaw mounting base is provided with a guide pin inserted into the pressure head.
Preferably, the upper end of the floating shaft is fixed on a second mounting frame through a locking nut, and the second mounting frame is connected with the connecting shaft through a connecting plate.
Preferably, a pressure sensor is arranged between the connecting plate and the second mounting frame.
Preferably, the connecting shaft is sleeved in the first mounting frame.
Preferably, the floating shaft is provided with a raised support frame, the sleeve is arranged between the support frame and the second mounting frame, and a compression spring is arranged between the support frame and the clamping jaw mounting seat.
Preferably, the support frame is provided with a first anti-rotation pin inserted into the sleeve.
The utility model realizes the radial floating of the floating shaft by arranging the sleeve on the floating shaft, installing the thrust ball bearing and the O-shaped ring between the sleeve and the floating shaft and reversely installing the moving coil of the thrust ball bearing which is close to the sleeve; the O-shaped ring is used for ensuring that the floating shaft is in the central position in a natural state; the floating shaft is connected with the pressure head, so that the floating pressure head can automatically adapt to the coaxiality deviation between the bearing and the mounting hole in the press mounting process, and the problem of bearing press mounting failure is avoided.
Drawings
FIG. 1 is a schematic diagram of a prior art rear bearing ram;
fig. 2 is the utility model provides an automatic overcome structural schematic of input shaft rear bearing pressure head of axiality error.
Reference numbers in the figures:
1. a pressure head; 2. a jaw mounting seat; 3. a thrust ball bearing; 4. an O-shaped ring; 5. a sleeve; 6. locking the nut; 7. a pressure sensor; 8. a first mounting bracket; 9. a connecting shaft; 10. a connecting plate; 11. a floating shaft; 12. a first anti-rotation pin; 13. a compression spring; 14. a second anti-rotation pin; 15. a jaw spring; 16. a claw; 17. a guide pin; 18. a workpiece; 19. a second mounting bracket; 20, supporting frames.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
An input shaft rear bearing pressure head capable of automatically overcoming coaxiality errors comprises a pressure head 1, a jaw mounting seat 2, a pressure sensor 7, a first mounting frame 8, a connecting shaft 9, a connecting plate 10, a floating shaft 11, a compression spring 13, a second anti-rotation pin 14, a jaw spring 15, a jaw 16 and a guide pin 17;
the pressure head 1 is arranged on the jaw mounting base 2, and a jaw spring 15 and three jaws 16 are arranged in the jaw mounting base 2 and used for grabbing a workpiece 18; a pressure head 1 is arranged below the claw mounting seat 2, and a guide pin 17 inserted into the pressure head 1 is arranged on the claw mounting seat 2;
a floating shaft 11 is sleeved in the clamping jaw mounting seat 2, the lower end of the floating shaft 11 is connected with the pressure head 1, and a second anti-rotation pin 14 is arranged between the lower end of the floating shaft 11 and the pressure head 1; the upper end of the floating shaft 11 is exposed out of the jaw mounting seat 2 and is fixed on the second mounting frame 19 through a locking nut 6, and a compression spring 13 is arranged between the part of the floating shaft 11 exposed out of the jaw mounting seat 2 and the jaw mounting seat 2; the second mounting frame 19 is connected with the pressure sensor 7, the pressure sensor 7 is connected with the connecting plate 10, the connecting plate 10 is fixedly connected with the connecting shaft 9, and the connecting shaft 9 is sleeved in the first mounting frame 8. (the connection method of the above indenter is shown in FIG. 1 as prior art, which is not the technical point of the present invention, and therefore is not described herein again.)
In the utility model, a sleeve 5 is sleeved outside a floating shaft 11, a raised support frame 20 is arranged on the floating shaft 11, the sleeve 5 is arranged between the support frame 20 and a second mounting frame 19, and a first anti-rotation pin 12 inserted into the sleeve 5 is arranged on the support frame 20; and a compression spring 13 is arranged between the support frame 20 and the jaw mounting seat 2.
Two groups of thrust ball bearings 3 are arranged between the sleeve 5 and the floating shaft 11, and the moving coils of the thrust ball bearings 3 close to the direction of the pressure head 1 are arranged in the reverse direction to realize the radial floating of the floating shaft; two O-rings 4 are arranged between the sleeve 5 and the floating shaft 11 and used for ensuring that the floating shaft 11 is in a central position in a natural state.
The utility model discloses an operating procedure as follows:
s1, the three claws 16 on the claw mounting base 2 are pressed by the claw springs 15 to clamp the bearing of the main workpiece and prevent the bearing of the workpiece from falling off in the moving process;
s2, in the press fitting process, the press fitting force is transmitted to the bearing on the workpiece through the connecting shaft 9, the connecting plate 10, the pressure sensor 7, the sleeve 5, the thrust ball bearing 3, the floating shaft 11 and the pressure head 1, the bearing of the workpiece is pressed into the mounting hole on the workpiece, wherein the moving coil of the thrust ball bearing 3 which is reversely arranged can realize the radial floating of the floating shaft 11, and the O-shaped ring 4 has the function of ensuring that the floating shaft is in the central position in a natural state; when the bearing of the workpiece is contacted with the shell of the workpiece, the jaw mounting seat 2 is contacted with the outer wall of the shell of the workpiece;
and S3, finally, the claw 16 is driven to move upwards by the compression spring 13, so that the claw 16 releases the bearing of the workpiece, and the press fitting process is completed.
The utility model discloses the application uses 2 sets of thrust ball bearing and O type circle to realize the pressure head that floats, all is in this patent protection scope.
The utility model realizes the radial floating of the floating shaft by arranging the sleeve on the floating shaft, installing the thrust ball bearing and the O-shaped ring between the sleeve and the floating shaft and reversely installing the moving coil of the thrust ball bearing which is close to the sleeve; the O-shaped ring is used for ensuring that the floating shaft is in the central position in a natural state; the floating shaft is connected with the pressure head, so that the floating pressure head can automatically adapt to the coaxiality deviation between the bearing and the mounting hole in the press mounting process, and the problem of bearing press mounting failure is avoided.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (10)
1. An input shaft rear bearing pressure head capable of automatically overcoming coaxiality errors comprises a pressure head (1), a jaw mounting seat (2), a connecting shaft (9), a connecting plate (10), a floating shaft (11), a jaw spring (15) and a jaw (16);
the pressure head (1) is arranged on the clamping jaw mounting seat (2), a clamping jaw spring (15) and a clamping jaw (16) are arranged in the clamping jaw mounting seat (2), a floating shaft (11) is sleeved in the clamping jaw mounting seat (2), the lower end of the floating shaft (11) is connected with the pressure head (1), and the upper end of the floating shaft (11) is connected with the connecting shaft (9) through a connecting plate (10); a compression spring (13) is arranged between the floating shaft (11) and the jaw mounting seat (2);
the novel thrust ball bearing is characterized in that a sleeve (5) is sleeved outside the floating shaft (11), and at least two groups of thrust ball bearings (3) are arranged between the sleeve (5) and the floating shaft (11).
2. An input shaft rear bearing pressure head capable of automatically overcoming coaxiality errors according to claim 1, characterized in that the moving coils of the thrust ball bearings (3) close to the pressure head (1) in the at least two groups of thrust ball bearings (3) are arranged in the opposite direction.
3. An input shaft rear bearing pressure head capable of automatically overcoming coaxiality errors according to claim 1, characterized in that at least one O-ring (4) is arranged between the sleeve (5) and the floating shaft (11) to ensure that the floating shaft (11) is in a central position in a natural state.
4. An input shaft rear bearing ram for automatically overcoming concentricity errors as claimed in claim 1 wherein there are three dogs (16).
5. An input shaft rear bearing pressure head capable of automatically overcoming coaxiality errors according to claim 1, characterized in that the claw mounting seat (2) is provided with a guide pin (17) inserted into the pressure head (1).
6. An input shaft rear bearing pressure head capable of automatically overcoming coaxiality errors according to claim 1, characterized in that the upper end of the floating shaft (11) is fixed on a second mounting frame (19) through a locking nut (6), and the second mounting frame (19) is connected with the connecting shaft (9) through a connecting plate (10).
7. An input shaft rear bearing pressure head capable of automatically overcoming coaxiality errors according to claim 6, characterized in that a pressure sensor (7) is arranged between the connecting plate (10) and the second mounting frame (19).
8. The input shaft rear bearing pressure head capable of automatically overcoming the coaxiality error as in claim 1, wherein the connecting shaft (9) is sleeved in the first mounting frame (8).
9. The rear bearing pressure head of the input shaft capable of automatically overcoming the coaxiality error is characterized in that a raised support frame (20) is arranged on the floating shaft (11), the sleeve (5) is arranged between the support frame (20) and the second mounting frame (19), and a compression spring (13) is arranged between the support frame (20) and the jaw mounting seat (2).
10. An input shaft rear bearing pressure head capable of automatically overcoming coaxiality errors according to claim 9, characterized in that the support frame (20) is provided with a first anti-rotation pin (12) inserted into the sleeve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921827882.3U CN212169525U (en) | 2019-10-29 | 2019-10-29 | Input shaft rear bearing pressure head capable of automatically overcoming coaxiality error |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921827882.3U CN212169525U (en) | 2019-10-29 | 2019-10-29 | Input shaft rear bearing pressure head capable of automatically overcoming coaxiality error |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212169525U true CN212169525U (en) | 2020-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921827882.3U Active CN212169525U (en) | 2019-10-29 | 2019-10-29 | Input shaft rear bearing pressure head capable of automatically overcoming coaxiality error |
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| CN (1) | CN212169525U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110773975A (en) * | 2019-10-29 | 2020-02-11 | 天永机械电子（太仓）有限公司 | Input shaft rear bearing pressure head capable of automatically overcoming coaxiality error |
| CN112792543A (en) * | 2021-02-05 | 2021-05-14 | 宝鸡法士特齿轮有限责任公司 | Rotary press-fitting device and press-fitting system |
-
2019
- 2019-10-29 CN CN201921827882.3U patent/CN212169525U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110773975A (en) * | 2019-10-29 | 2020-02-11 | 天永机械电子（太仓）有限公司 | Input shaft rear bearing pressure head capable of automatically overcoming coaxiality error |
| CN110773975B (en) * | 2019-10-29 | 2024-07-09 | 天永锂电自动化设备(太仓)有限公司 | Automatic overcome input shaft rear bearing pressure head of axiality error |
| CN112792543A (en) * | 2021-02-05 | 2021-05-14 | 宝鸡法士特齿轮有限责任公司 | Rotary press-fitting device and press-fitting system |
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