CN214591055U - Embedded synchronous machine oblique pole rotor folds and presses frock - Google Patents
Embedded synchronous machine oblique pole rotor folds and presses frock Download PDFInfo
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- CN214591055U CN214591055U CN202120626071.8U CN202120626071U CN214591055U CN 214591055 U CN214591055 U CN 214591055U CN 202120626071 U CN202120626071 U CN 202120626071U CN 214591055 U CN214591055 U CN 214591055U
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Abstract
The utility model discloses an embedded synchronous machine oblique polar rotor folds and presses frock, including lower base, the plug, top board and bolt, the lower extreme of plug passes the middle part swing joint of base down, the middle part swing joint of top board is passed to the upper end of plug, be provided with a plurality of through-holes that run through on the top board, the through-hole quantity that runs through on the quantity of bolt and the top board is the same, be provided with on the base down and run through the screw hole that through-hole quantity equals and the position corresponds on the top board, the lower extreme of bolt is connected with the screw hole on the lower base after passing the through-hole on the top board, oblique polar rotor is to the core suit to be located between base and the top board down. Through the opening cooperation location of the interior circle of navigation key and rotor punching, the precision is high, compresses tightly base and top board down through the bolt, guarantees rotor core fold and press the coefficient, and convenient operation and pressure value satisfy and fold and press the requirement. The cogging torque of the motor is reduced, the vibration of the motor is reduced, and the performance of the motor is improved.
Description
Technical Field
The utility model relates to the technical field of electric machines, especially, relate to an embedded synchronous machine skewed pole rotor folds and presses frock.
Background
The rotor core is used as a vital part of the motor, plays a role in conducting magnetism and connecting with a rotating shaft, and is used as a power source of various machines to convert electric energy into mechanical energy. The rotor with the oblique poles is one of important parts, and the oblique poles of the rotor need to be realized through the structure of a rotor punching sheet. In the prior art, a plurality of punching sheets are required to be laminated to form the rotor punching sheet, the processing efficiency is low, the punching sheets are not easy to be stacked in a standard mode during processing, the laminating precision is low, the manufacturing difficulty is high, and the problems of large tooth space torque, large vibration and the like of a subsequently manufactured motor are caused, so that an improvement space exists.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an embedded synchronous machine oblique polar rotor folds and presses frock just in order to solve above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
the utility model discloses a lower base, plug, top board and bolt, the lower extreme of plug passes the middle part swing joint of base down, the upper end of plug is passed the middle part swing joint of top board, be provided with a plurality of through-holes that run through on the top board, the quantity of bolt with the through-hole quantity that runs through on the top board is the same, be provided with on the base down with the screw hole that runs through-hole quantity on the top board equals and the position corresponds, the lower extreme of bolt passes behind the through-hole on the top board with screw hole on the base down connects, and oblique polar rotor punching sheet suit in on the plug, and be located the base down with between the top board.
Furthermore, a positioning structure is arranged between the core rod and the upper pressure plate.
Specifically, the positioning structure comprises a positioning key mounting groove, a positioning key and an upper platen positioning groove, the positioning key mounting groove is formed in the side edge of the core rod, the positioning key is inserted into the positioning key mounting groove, the positioning key protruding portion is located on one side of the positioning key, after the positioning key is inserted into the positioning key mounting groove, the positioning key protruding portion protrudes out of the positioning key, the upper platen positioning groove is formed in the inner side edge of the upper platen, and after the core rod is inserted into the upper platen, the positioning key protruding portion is located in the upper platen positioning groove.
Preferably, the positioning structures are multiple, and each positioning structure is composed of the positioning key installation groove, the positioning key and the upper pressure plate positioning groove.
Specifically, the inner side of the oblique-pole rotor punching sheet is provided with a rotor punching sheet positioning groove, and when the oblique-pole rotor punching sheet is sleeved on the core rod, the protruding part of the positioning key is positioned in the rotor punching sheet positioning groove.
Preferably, the lower base is in transition fit connection with the core rod, and the core rod is in transition fit connection with the upper pressure plate.
Preferably, the positioning key mounting groove is connected with the positioning key in a transition fit manner.
The core rod has the main function of being matched with an inner hole of the rotor punching sheet to position the punching sheet in the circumferential radial direction; and the punching sheet is matched with the positioning key to position the punching sheet in the circumferential tangential direction. The lower base mainly functions in providing a laminating base for the punching sheet, laminating work of the punching sheet is carried out after the core rod is fixed on the lower base, a threaded hole is formed in the base, and the punching sheet is compressed by the laminating pressure generated by screwing the bolt. The upper pressing plate has the main function of being matched with the lower base and the core rod for use, and the lamination height of the punching sheet reaches a design value and then is pressed tightly through the upper pressing plate. The main function of the bolt is that the bolt penetrates through the screw hole of the upper pressure plate and is screwed into the corresponding threaded hole of the lower base, pressing force is generated to tightly press and compact the rotor punching sheet, and the laminating coefficient required by the design of the rotor iron core is ensured. Symmetrical positioning grooves are formed in the inner circle of the rotor punching sheet, and the central line of each positioning groove and the central line of the rotor punching sheet form an angle A which is half of the required angle value of the oblique pole.
The beneficial effects of the utility model reside in that:
the utility model relates to an embedded synchronous machine oblique polar rotor folds and presses frock, compares with prior art, the utility model discloses whole mould simple structure is compact, and the operation is swift convenient. The positioning key and the rotor punching sheet are matched and positioned through the opening of the inner circle of the rotor punching sheet, the precision is high, the positioning key and the rotor punching sheet are easy to process, an angle exists between the central line of the positioning groove formed in the rotor punching sheet and the central line of the punching sheet, through the design, the rotor can be laminated in two sections of oblique poles by adopting the straight positioning key, and the design and manufacturing difficulty of the tool is simplified. The lower base and the upper pressing plate are pressed tightly through the bolts, the laminating coefficient of the rotor core is guaranteed, operation is convenient, and the pressure value meets the laminating requirement. The cogging torque of the motor is reduced, the vibration of the motor is reduced, and the performance of the motor is improved. Has the value of popularization and application.
Drawings
Fig. 1 is a schematic exploded view of the present invention;
fig. 2 is a top view of the oblique-pole rotor sheet of the present invention;
FIG. 3 is an isometric view of the rotor sheet of the oblique-pole rotor of the present invention;
FIG. 4 is a schematic view of the core rod structure of the present invention;
FIG. 5 is a schematic view of the positioning key structure of the present invention;
fig. 6 is a schematic view of the assembled state of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1-6: the utility model discloses a lower base 1, plug 2, top board 5 and bolt 6, the lower extreme of plug 2 passes base 1's middle part swing joint down, the upper end of plug 2 is passed top board 5's middle part swing joint, be provided with a plurality of through-holes that run through on the top board 5, the quantity of bolt 6 with the through-hole quantity that runs through on the top board 5 is the same, be provided with on the lower base 1 with the screw hole that the through-hole quantity equals and the position corresponds is run through on the top board 5, the lower extreme of bolt 6 passes behind the through-hole on the top board 5 with screw hole on the lower base 1 is connected, and oblique polar rotor punching sheet 4 suit in on the plug 2, and be located base 1 with between the top board 5 down.
Further, a positioning structure is arranged between the core rod 2 and the upper pressing plate 5.
Specifically, the positioning structure is composed of a positioning key installation groove 21, a positioning key 3 and an upper platen positioning groove 51, the positioning key installation groove 21 is arranged on the side edge of the core rod 2, the positioning key 3 is inserted into the positioning key installation groove 21, the positioning key protruding portion 31 is positioned on one side of the positioning key 3, after the positioning key 3 is inserted into the positioning key installation groove 21, the positioning key protruding portion 31 protrudes out of the positioning key 3, the upper platen positioning groove 51 is arranged on the inner side edge of the upper platen 5, and after the core rod 2 is inserted into the upper platen 5, the positioning key protruding portion 31 is positioned in the upper platen positioning groove 51.
Preferably, the number of the positioning structures is multiple, and each positioning structure is composed of the positioning key installation groove 21, the positioning key 3 and the upper pressure plate positioning groove 51.
Specifically, a rotor sheet positioning groove 41 is formed in the inner side of the oblique-pole rotor sheet 4, and when the oblique-pole rotor sheet 4 is sleeved on the core rod 2, the positioning key protruding portion 31 is located in the rotor sheet positioning groove 41.
Preferably, the lower base 1 and the core rod 2 are in transition fit connection, and the core rod 2 and the upper pressing plate 5 are in transition fit connection.
Preferably, the positioning key installation groove 21 is connected with the positioning key 3 in a transition fit manner.
The working principle of the utility model is as follows:
the lower base 1, the upper pressure plate 5 and the core rod 2 are in transition fit connection, and positioning in two directions of an upper plane, a lower plane and an inner circle is provided for the laminating process. The core rod 2 is in clearance fit with the rotor punching sheet 4 of the oblique pole, and the lamination is convenient. The core rod 2 and the positioning key 3 are in transition fit, the positioning key 3 is pressed into the positioning key mounting groove 21 corresponding to the core rod 2, the front end part of the side edge of the positioning key 3 protrudes out of the outer circle of the core rod 2, and the protruding part is in clearance fit with the rotor punching sheet positioning groove 41 of the inner circle of the oblique-pole rotor punching sheet 4, so that the positioning in the circumferential tangential direction in the laminating process of the oblique-pole rotor punching sheet 4 is realized. The lower base 1 and the upper pressure plate 5 are pressed tightly through the bolts 6 to ensure the laminating coefficient of the oblique-pole rotor punching sheet 4. The upper pressure plate 5 is provided with an open slot, and the open slot is used for conveniently observing whether the rotor shaft shoulder contacts with the punching sheet in place when the rotor shaft is sleeved with the rotor shaft in a hot manner after the oblique-pole rotor punching sheet 4 is laminated. Symmetrical rotor punching sheet positioning grooves 41 are formed in the inner circle of the oblique-pole rotor punching sheet 4, and the central line of each rotor punching sheet positioning groove 41 and the central line of the oblique-pole rotor punching sheet 4 form an angle which is half of the required oblique-pole angle value. The lamination is divided into a forward direction and a reverse direction before lamination, the lamination of the forward punching sheet with half of the whole punching sheet quantity is completed firstly, and then the reverse punching sheet with half of the whole punching sheet quantity is laminated. In this way, the rotor core can be used with two stages of skewed poles.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides an embedded synchronous machine oblique polar rotor folds and presses frock which characterized in that: comprises a lower base (1), a core rod (2), an upper pressure plate (5) and a bolt (6), the lower end of the core rod (2) passes through the middle part of the lower base (1) and is movably connected, the upper end of the core rod (2) passes through the middle part of the upper pressure plate (5) to be movably connected, a plurality of through holes are arranged on the upper pressure plate (5), the number of the bolts (6) is the same as that of the through holes arranged on the upper pressure plate (5), the lower base (1) is provided with threaded holes which have the same number and the corresponding positions with the through holes on the upper pressure plate (5), the lower end of the bolt (6) penetrates through a through hole in the upper pressing plate (5) and then is connected with a threaded hole in the lower base (1), and the oblique-pole rotor punching sheet (4) is sleeved on the core rod (2) and is positioned between the lower base (1) and the upper pressing plate (5).
2. The tool for laminating the oblique-pole rotor of the embedded synchronous motor according to claim 1, is characterized in that: and a positioning structure is arranged between the core rod (2) and the upper pressure plate (5).
3. The tool for laminating the oblique-pole rotor of the embedded synchronous motor according to claim 2, is characterized in that: the positioning structure is composed of a positioning key installation groove (21), a positioning key (3) and an upper pressure plate positioning groove (51), the positioning key installation groove (21) is formed in the side edge of the core rod (2), the positioning key (3) is inserted into the positioning key installation groove (21), a positioning key protruding portion (31) is located on one side of the positioning key (3), the positioning key (3) is inserted into the positioning key installation groove (21), the positioning key protruding portion (31) protrudes out of the positioning key (3), the upper pressure plate positioning groove (51) is formed in the inner side edge of the upper pressure plate (5), the core rod (2) is inserted into the upper pressure plate (5), and the positioning key protruding portion (31) is located in the upper pressure plate positioning groove (51).
4. The tool for laminating the oblique-pole rotor of the embedded synchronous motor according to claim 3, is characterized in that: the positioning structures are multiple, and each positioning structure is composed of a positioning key installation groove (21), a positioning key (3) and an upper pressure plate positioning groove (51).
5. The tool for laminating the oblique-pole rotor of the embedded synchronous motor according to claim 4, is characterized in that: the inner side of the oblique-pole rotor punching sheet (4) is provided with a rotor punching sheet positioning groove (41), and when the oblique-pole rotor punching sheet (4) is sleeved on the core rod (2), the positioning key protruding part (31) is positioned in the rotor punching sheet positioning groove (41).
6. The tool for laminating the oblique-pole rotor of the embedded synchronous motor according to claim 1, is characterized in that: the lower base (1) is connected with the core rod (2) in a transition fit mode, and the core rod (2) is connected with the upper pressing plate (5) in a transition fit mode.
7. The tool for laminating the oblique-pole rotor of the embedded synchronous motor according to claim 3, is characterized in that: the positioning key mounting groove (21) is connected with the positioning key (3) in a transition fit mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120626071.8U CN214591055U (en) | 2021-03-26 | 2021-03-26 | Embedded synchronous machine oblique pole rotor folds and presses frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120626071.8U CN214591055U (en) | 2021-03-26 | 2021-03-26 | Embedded synchronous machine oblique pole rotor folds and presses frock |
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| Publication Number | Publication Date |
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| CN214591055U true CN214591055U (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120626071.8U Active CN214591055U (en) | 2021-03-26 | 2021-03-26 | Embedded synchronous machine oblique pole rotor folds and presses frock |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113972799A (en) * | 2021-11-25 | 2022-01-25 | 湖南中车尚驱电气有限公司 | Iron core laminating tool and iron core laminating module |
-
2021
- 2021-03-26 CN CN202120626071.8U patent/CN214591055U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113972799A (en) * | 2021-11-25 | 2022-01-25 | 湖南中车尚驱电气有限公司 | Iron core laminating tool and iron core laminating module |
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