CN216421580U - Three-in-one motor rotor mould assembling flexible pressure head device - Google Patents
Three-in-one motor rotor mould assembling flexible pressure head device Download PDFInfo
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- CN216421580U CN216421580U CN202121998585.2U CN202121998585U CN216421580U CN 216421580 U CN216421580 U CN 216421580U CN 202121998585 U CN202121998585 U CN 202121998585U CN 216421580 U CN216421580 U CN 216421580U
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- pressure head
- rotor shaft
- rod
- seat
- pressure
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Abstract
The utility model discloses a three-in-one motor rotor box-closing flexible pressure head device, which is used for press-fitting a bearing and a rotor shaft in a shell workpiece and comprises a sliding table base, an oilless bushing mounting seat, a pressure rod, a pressure head connecting piece, a pressure head and a guide rod, wherein the guide rod extends out of the pressure head and can elastically float, an axial floating structure is arranged between the pressure rod and the oilless bushing mounting seat, a plurality of supporting blocks and a plurality of clamping mechanisms are also arranged on the sliding table base, the pressure rod is driven by an external power execution part to move downwards to a press-fitting position, the top end of the guide rod is firstly combined with a tip hole of the rotor shaft to guide the rotor shaft in the process, the shell workpiece can float upwards when encountering the obstruction of the rotor shaft in the downwards moving process, and the bearing can float to the position contacted with the pressure head. The mechanism for press fitting and the clamping mechanism in the device can realize floating in the axial direction, and the problem of press fitting of the bearing and the rotor shaft in the shell workpiece is solved.
Description
Technical Field
The utility model relates to a three-in-one motor rotor mould assembling flexible pressure head device.
Background
With the vigorous development of new energy automobiles, the output demand of motors is increasing day by day, and three-in-one motors are more and more favored, the three-in-one motors refer to a technology of integrating an electric control motor and a speed reducer into a whole, and with the continuous evolution of electric automobile technology, the integrated design will be indiscriminately the trend of future development.
The manufacturers in this field also relate to the bearing, but the high integration can lead to the difficulty of assembly to increase, for example when the trinity motor rotor is closed the case, because the bearing has already been pressed fitting in the casing, then will press fitting the bearing that has already been impressed the casing on the rotor shaft, this just leads to not utilizing the bearing location and support the bearing inner race and impress the bearing in the rotor shaft like ordinary bearing pressure fitting.
The bearing is pressed into the shell, and the common press-fitting mode and the special press-fitting mode such as a floating pressure head and the like which utilize the bearing positioning in the prior art cannot meet the press-fitting occasion.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a three-in-one motor rotor mould assembling flexible pressure head device to solve the problem of press mounting of a bearing and a rotor shaft in a shell workpiece in a three-in-one motor mould assembling.
The utility model provides a three-in-one motor rotor box-closing flexible pressure head device which is used for carrying out press fitting on a bearing of a shell workpiece relative to a rotor shaft and comprises a sliding table base, an oilless bushing mounting seat, a pressure rod, a pressure head connecting piece, a pressure head and a guide rod, wherein the pressure head is in a sleeve shape, the guide rod extends out of the pressure head and can elastically float, the sliding table base can be freely arranged on an external vertical guide rail in a lifting way, an axial floating structure is arranged between the pressure rod and the oilless bushing mounting seat, a plurality of supporting blocks and a plurality of clamping mechanisms are further arranged on the sliding table base, the supporting blocks are used for positioning and supporting the shell workpiece, the plurality of clamping mechanisms are used for carrying out multi-point clamping on the periphery of the shell workpiece, the pressure rod is driven by an external power execution part to move downwards to a press fitting position, the top end of the guide rod is firstly combined with a tip hole of the rotor shaft to guide the rotor shaft in the process, the housing piece can float upward and its bearings can float to a position where they contact the ram when encountering the rotor shaft obstruction during downward movement.
The mechanism for press fitting and the clamping mechanism in the device can realize floating in the axial direction, and the problem of press fitting of the bearing and the rotor shaft in the shell workpiece is solved.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a front view of a three-in-one motor rotor mould assembling flexible pressure head device according to the utility model;
FIG. 2 is a cross-sectional view of a three-in-one motor rotor mould assembling flexible pressure head device according to the utility model;
FIG. 3 is a rear view of a three-in-one motor rotor mould assembling flexible pressure head device according to the utility model;
FIG. 4 is a schematic perspective view of a lever clamping mechanism according to the present invention;
fig. 5 is a cross-sectional view of a lever clamping mechanism according to the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Fig. 1-5 illustrate some embodiments according to the utility model.
With combined reference to fig. 1 to 3, the three-in-one motor rotor mould assembling flexible pressure head device is used for press-fitting work of a bearing in a shell workpiece relative to a rotor shaft. The device comprises a sliding table base 1, an oilless bushing mounting seat 4, a pressure rod 6, a pressure head connecting piece 10, a pressure head 12, a guide rod 13 and a plurality of lever clamping mechanisms 2.
The slide table base 1 is provided on an external vertical guide rail (not shown in the figure) capable of freely lifting, for example, mounted on a vertical guide rail of a press-fitting apparatus.
The oilless bush mounting seat 4 is fixed on the sliding table base 1, and the limiting disc 5 is fixed on the pressing rod 6. Oilless bush 8 and jump ring 9 are all installed in oilless bush mount pad 4, and pressure head connecting piece 10 is fixed on depression bar 6, places in spring 11 between pressure head connecting piece 10 and the guide bar 13, and pressure head 12 is installed on pressure head connecting piece 10. The bearing 3.1 is located in the workpiece 3.
The pressure lever 6 is driven by an external power executing component, and a quick-release structure is arranged between the pressure lever 6 and the external power executing component, such as a cylinder rod interface of a hydraulic cylinder.
The pressure head 12 is in a sleeve shape, the upper end of the guide rod 13 is positioned in the spring seat cavity 6.2, the guide rod 13 extends out of the pressure head and can elastically float, and the top end of the guide rod 13 can be combined with a tip hole (namely a self-contained fabrication hole) of the rotor shaft 16 when moving downwards so as to guide the rotor shaft.
The lower extreme of depression bar 6 forms spacing seat 6.1, and oilless bush mount pad 4 forms the seat hole of adaptation with it, and so oilless bush mount pad 4 is hung and is established on depression bar 6, and can axially float on depression bar 6, and the axial floating position of oilless bush mount pad 4 is injectd to spacing dish 6 on the depression bar 6.
Four lever clamping structures 2 are arranged on the sliding table base 1, and the four lever clamping structures 2 clamp the workpiece 3.
The support block 7, the support block 15, and the support rod 14 are all mounted on the slide table base 1 and contact the workpiece 3.
The pressing block 2.7 is connected to the lever arm 2.5 through three equal-height screws 2.9, a steel ball 2.8 is placed between the lever arm 2.5 and the pressing block 2.7, specifically, the steel ball 2.8 is embedded in the center of the combination of the pressing block and the lever arm, and the three equal-height screws and the pressing block are in clearance fit.
The compaction adopts a floating self-adaptive structure, and has better self-adaptive effect on the clamping of the blank surface. Therefore, the problem that the surface of the workpiece shell is a blank surface and cannot be perfectly attached during clamping can be solved.
The utility model is used for combining the rotor and the shell, and the working process is as follows:
(1) a lever clamping mechanism in the pressure head structure clamps the shell workpiece. Wherein, four lever clamping structure 2 on the slip table base 1 press from both sides tight casing work piece 3, and wherein, rotor shaft 16 is fixed a position along with the rotor, and plane position and high position are fixed unchangeably.
(2) The flexible ram structure descends and the guide bar 13 guides the rotor shaft 16. Wherein, whole slip table base 1 descends, and guide bar 13 is upwards compressed by rotor shaft 16, and rotor shaft 16 is just led simultaneously.
(3) The flexible pressure head structure moves downwards to the bearing press-fitting position in the shell, and the force of the rotor shaft acting on the bearing in the shell enables the shell clamping structure to move upwards relative to the pressing structure, and the pressure head of the pressing structure contacts the inner ring of the bearing in the shell. When the bearing 3.1 in the workpiece 3 contacts the rotor shaft 16, the pressure rod 6 and the oilless bushing mounting seat 4 slide relatively, and the pressure head 12 contacts the bearing 3.1 in the workpiece 3.
(4) The pressure head of the pressing structure presses the bearing into the rotor shaft. In this case, a force acts on the bearing 3.1, pressing the bearing 3.1 into the rotor shaft 16.
The mechanism for press fitting and the clamping mechanism in the device can realize floating in the axial direction, and the problem of press fitting of the bearing and the rotor shaft in the shell workpiece is solved. Meanwhile, the press fitting problem that the axial clamping point and the pressing point are not on one surface can be solved.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A three-in-one motor rotor mould-closing flexible pressure head device is used for pressing a bearing of a shell workpiece relative to a rotor shaft and is characterized by comprising a sliding table base, an oilless bushing mounting seat, a pressure rod, a pressure head connecting piece, a pressure head and a guide rod,
the pressure head is in a sleeve shape, the guide rod extends out of the pressure head and can elastically float, the sliding table base can be freely arranged on an external vertical guide rail in a lifting way, an axial floating structure is arranged between the pressure rod and the oilless bushing mounting seat,
still be provided with a plurality of supporting shoes and a plurality of clamping mechanism on the slip table base, a plurality of supporting shoes are used for fixing a position the support to the casing work piece, a plurality of clamping mechanism are used for carrying out the multiple spot centre gripping to the periphery of casing work piece, wherein, the depression bar moves to the pressure equipment position below being driven by outside power executive component, and the top of guide bar combines in order to lead the rotor shaft with the apical pore of rotor shaft earlier in this in-process, the casing work piece moves down the in-process and can float when meetting the rotor shaft and hinder and shift up and its bearing can float to the position that touches with the pressure head.
2. The three-in-one motor rotor mould assembling flexible pressure head device of claim 1, wherein the clamping mechanism is a lever clamping mechanism which comprises a cylinder, a cylinder seat, a cylinder joint, a lever arm, a driven arm and a pressing block, wherein the cylinder joint is hinged with a first end of the lever arm, the pressing block is arranged at a second end of the lever arm, the driven arm is connected between the cylinder seat and the lever arm, and when the cylinder joint extends, the lever arm is in a posture of transversely abutting against a shell workpiece.
3. The three-in-one motor rotor box-closing flexible pressure head device according to claim 2, wherein a floating adaptive structure is arranged between the pressing block and the lever arm, the floating adaptive structure comprises a steel ball and a plurality of equal-height screws distributed by taking the steel ball as a center, wherein the steel ball is embedded at the combined center of the pressing block and the lever arm, and the equal-height screws are in clearance fit with the pressing block.
4. The three-in-one motor rotor box-closing flexible pressure head device as claimed in claim 1, wherein the axial floating structure comprises a limiting disc and a limiting seat, the limiting disc is arranged on the pressure rod, the limiting seat is positioned below the pressure rod, the oil-free bushing mounting seat is sleeved on the pressure rod and is located on the limiting seat, and the limiting disc is used for limiting the axial floating position of the oil-free bushing mounting seat.
5. The three-in-one motor rotor mould assembling flexible pressure head device of claim 1, wherein the oil-free bushing mounting seat is fixedly connected to the sliding table base, the pressure head is fixedly connected to the lower end of the pressure head connecting piece, and the pressure head connecting piece is fixedly connected to the lower end of the pressure rod.
6. The three-in-one motor rotor mould assembling flexible pressure head device as claimed in claim 5, wherein the pressure head connecting seat is provided with a spring seat cavity therein, one end of the guide rod is positioned in the spring seat cavity, and the spring seat cavity is provided with a spring for biasing the guide rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121998585.2U CN216421580U (en) | 2021-08-23 | 2021-08-23 | Three-in-one motor rotor mould assembling flexible pressure head device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121998585.2U CN216421580U (en) | 2021-08-23 | 2021-08-23 | Three-in-one motor rotor mould assembling flexible pressure head device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216421580U true CN216421580U (en) | 2022-05-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121998585.2U Active CN216421580U (en) | 2021-08-23 | 2021-08-23 | Three-in-one motor rotor mould assembling flexible pressure head device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216421580U (en) |
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2021
- 2021-08-23 CN CN202121998585.2U patent/CN216421580U/en active Active
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