CN214591054U - Mouse cage type asynchronous motor rotor laminating tool - Google Patents
Mouse cage type asynchronous motor rotor laminating tool Download PDFInfo
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- CN214591054U CN214591054U CN202120612389.0U CN202120612389U CN214591054U CN 214591054 U CN214591054 U CN 214591054U CN 202120612389 U CN202120612389 U CN 202120612389U CN 214591054 U CN214591054 U CN 214591054U
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- base plate
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- rotor core
- asynchronous motor
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Abstract
The utility model provides a squirrel-cage asynchronous motor rotor folds and presses frock, includes: the upper base plate and the lower base plate are fixedly arranged at two ends of the rotor core through bolts, the positions, corresponding to the edges, of the upper base plate and the lower base plate are provided with through holes, fixing holes are formed in the positions, corresponding to the edges, of the upper base plate and the lower base plate respectively, a round hole is axially formed in the center of the rotor core, the core rod is arranged in the round hole, the rotor core is composed of a plurality of rotor punching sheets, a plurality of grooves are formed in the edges of the rotor punching sheets, the upper end and the lower end of each inclined key are uniformly distributed in the outer side of the rotor core through the fixing holes respectively, the inclined key is provided with a protrusion matched with the groove along the diagonal line, the protrusion is located in the groove, and the length of the inclined key is equal to the length of the rotor core. The rotor laminating tool for the squirrel-cage asynchronous motor has the advantages that the outer circular grooves are uniformly distributed in the protrusions of the inclined keys when the rotor punching sheets are laminated, and the tool is high in precision, simple and compact in structure and rapid and convenient to operate.
Description
[ technical field ] A method for producing a semiconductor device
The utility model belongs to the technical field of the motor, concretely relates to squirrel-cage asynchronous machine rotor folds and presses frock.
[ background of the invention ]
The squirrel-cage asynchronous motor is mainly composed of stator and rotor, between which there is air gap, and the rotor winding is used to generate induced potential and electromagnetic torque, and it is divided into squirrel-cage type and winding type. The squirrel-cage rotor winding is a short-circuited winding, a conductor (made of copper or aluminum) is placed in each slot of the rotor, the conductor is longer than an iron core, two end rings are used for short-circuiting the conductor at two ends of the iron core to form a short-circuited winding, and if the iron core is removed, the remaining winding is similar to a squirrel cage in shape, so the squirrel-cage rotor winding is called as the squirrel-cage winding. The squirrel-cage asynchronous motor needs to carry out the chute with the rotor and welded fastening when casting aluminium, and the additional torque that tooth harmonic magnetic field arouses can be weakened effectively to the electromagnetic field that forms like this, reduces electromagnetic vibration and noise, however at present in the process of laminating the rotor, does not have a device that can control the chute inclination on the rotor excircle, therefore needs a rotor that controllable inclination to fold and presses the frock urgently.
[ Utility model ] content
In order to solve the problem, the utility model provides a squirrel-cage asynchronous machine rotor folds and presses frock, its excircle recess can evenly distributed in the arch of feather key when the rotor punching is folded and is pressed, has the advantage that the precision is high, simple structure is compact, the operation is swift convenient.
The utility model discloses a realize through following technical scheme, provide a squirrel-cage asynchronous machine rotor and fold and press frock, include: the upper base plate and the lower base plate are fixedly arranged at two ends of the rotor core through bolts, a through hole is formed in the middle of the upper base plate and the lower base plate, fixing holes are formed in the positions corresponding to the edges of the upper base plate and the lower base plate respectively, a round hole is axially formed in the center of the rotor core, the core rod is arranged in the round hole, two ends of the core rod are in transition fit with the through hole in the middle of the upper base plate and the lower base plate, the rotor core is composed of a plurality of rotor punching sheets, a plurality of grooves are formed in the edges of the rotor punching sheets, the upper end and the lower end of each inclined key are uniformly distributed in the outer side of the rotor core through the fixing holes respectively, the inclined key is provided with a protrusion matched with the grooves along the diagonal line, the protrusion is located in the groove, and the length of the inclined key is equal to that of the rotor core.
Particularly, the inclined key is in transition fit with the upper bottom plate and the lower bottom plate through the fixing hole.
In particular, the angle of the oblique key to the vertical direction is equal to the oblique polar angle of the iron core.
Particularly, a plurality of openings are uniformly formed in the edges of the upper bottom plate and the lower bottom plate.
The utility model provides a mouse cage asynchronous motor rotor laminating tool, because the taper key and the rotor punching sheet are easy to process, an oblique angle is formed by matching the bulge on the taper key and the groove of the rotor excircle, the oblique angle of the rotor core is controlled by the angle, and the tool has the advantages of high precision, simple and compact structure and rapid and convenient operation; in addition, the final laminating length of the rotor punching sheets is controlled through the length of the inclined key, the whole laminating process does not need to be measured in time, and the processing time is shortened; and the lower bottom plate and the upper pressure plate are tightly pressed through the bolt fixing to ensure the laminating coefficient of the rotor core, the operation is convenient, and the pressure value can meet the requirement.
[ description of the drawings ]
Fig. 1 is a schematic structural view of the squirrel-cage asynchronous motor rotor laminating tool of the present invention;
fig. 2 is the structural schematic diagram of the oblique key in the squirrel-cage asynchronous motor rotor laminating tool of the utility model.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings.
Referring to fig. 1-2, the present invention provides a squirrel-cage asynchronous motor rotor laminating tool, which comprises: an upper base plate 1, a lower base plate 2, a rotor core 3, a core rod 4 and a plurality of inclined keys 5, wherein the upper base plate 1 and the lower base plate 2 are fixedly arranged at two ends of the rotor core 3 through bolts, a through hole 6 is arranged in the middle of the upper base plate 1 and the lower base plate 2, fixing holes 7 are respectively arranged at the corresponding positions of the edges, a round hole is axially arranged at the center of the rotor core 3, the core rod 4 is arranged in the round hole, and the two ends of the core rod 4 are in transition fit with the through holes 6 in the middle of the upper base plate 1 and the lower base plate 2, the rotor core 3 is composed of a plurality of rotor punching sheets, the edge of the rotor punching sheet is provided with a plurality of grooves (not marked in the figure), the upper end and the lower end of the inclined key 5 are respectively and uniformly distributed on the outer side of the rotor iron core 3 through a fixing hole 7, and the inclined key 5 is provided with a protrusion 8 matched with the groove along the diagonal line, the protrusion 8 is positioned in the groove, and the length of the inclined key 5 is equal to that of the rotor core.
Particularly, the inclined key 5 is in transition fit with the upper base plate 1 and the lower base plate 2 through a fixing hole 7; by the design, the designed rotor height is ensured after the final rotor is laminated, and real-time measurement in the laminating process is not needed, so that the mounting working time is shortened.
In particular, the angle of the oblique key 5 with the vertical direction is equal to the oblique polar angle of the iron core; so design combines the locking effect of bolt, compresses tightly the rotor punching through top board and lower plate, guarantees rotor core length and keeps unanimous with feather key length, guarantees the required pressure coefficient that folds of rotor core design.
Particularly, a plurality of openings 9 are evenly arranged at the edges of the upper base plate 1 and the lower base plate 2, so that after the rotor punching is laminated and pressed, when welding is carried out, an operation space is reserved for a welding gun welding the top end, and welding is facilitated.
In the utility model discloses in, the plug cooperatees towards the piece hole with the rotor, fix a position towards the piece, the lower plate provides one for towards the piece and folds the base of pressing, with plug and feather key fixed back on the lower plate, the arch of feather key this moment is towards the plug, later carry out the work of folding of rotor punching, arch on the feather key and rotor punching excircle upper groove contact cooperation, so guarantee through the arch on the feather key and the angle of vertical direction that the rotor punching is folded and is pressed the oblique polar angle degree of accomplishing back rotor core, the precision is higher, highly arrive the design value after folding towards the piece, compress tightly through the top board.
And the utility model discloses a bolted connection, its screw hole that passes top board and lower plate through the screw compresses tightly top board and lower plate through locking screw and nut, and then compresses tightly the compaction with the rotor punching, guarantees the required pressure coefficient of laminating of rotor core design.
Claims (4)
1. Squirrel-cage asynchronous motor rotor folds and presses frock, its characterized in that includes: the upper base plate (1), the lower base plate (2), the rotor core (3), the core rod (4) and the plurality of inclined keys (5), wherein the upper base plate (1) and the lower base plate (2) are fixedly arranged at two ends of the rotor core (3) through bolts, a through hole (6) is arranged at the middle position of the upper base plate (1) and the lower base plate (2), fixing holes (7) are respectively arranged at positions corresponding to the edges, a round hole is axially arranged at the center of the rotor core (3), the core rod (4) is arranged in the round hole, two ends of the core rod (4) are in transition fit with the through hole (6) in the middle of the upper base plate (1) and the lower base plate (2), the rotor core (3) is composed of a plurality of rotor punching sheets, a plurality of grooves are formed in the edges of the rotor punching sheets, the upper ends and the lower ends of the inclined keys (5) are respectively and uniformly distributed at the outer sides of the rotor core (3) through the fixing holes (7), and the inclined keys (5) are provided with a bulge (8) matched with the grooves along the diagonal lines, the protrusion (8) is positioned in the groove, and the length of the inclined key (5) is equal to that of the rotor core.
2. The laminating tool for the squirrel-cage asynchronous motor rotor according to claim 1, wherein the inclined key (5) is in transition fit with the upper bottom plate (1) and the lower bottom plate (2) through a fixing hole (7).
3. The laminating tool for the squirrel-cage asynchronous motor rotor according to claim 1, characterized in that the angle of the oblique key (5) to the vertical direction is equal to the oblique polar angle of the iron core.
4. The laminating tool for the squirrel-cage asynchronous motor rotor according to claim 1, characterized in that a plurality of openings (9) are uniformly formed in the edges of the upper bottom plate (1) and the lower bottom plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120612389.0U CN214591054U (en) | 2021-03-26 | 2021-03-26 | Mouse cage type asynchronous motor rotor laminating tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120612389.0U CN214591054U (en) | 2021-03-26 | 2021-03-26 | Mouse cage type asynchronous motor rotor laminating tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214591054U true CN214591054U (en) | 2021-11-02 |
Family
ID=78321835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120612389.0U Active CN214591054U (en) | 2021-03-26 | 2021-03-26 | Mouse cage type asynchronous motor rotor laminating tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214591054U (en) |
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2021
- 2021-03-26 CN CN202120612389.0U patent/CN214591054U/en active Active
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