CN218387195U - Be applicable to frock is pasted to dysmorphism table formula magnet steel - Google Patents
Be applicable to frock is pasted to dysmorphism table formula magnet steel Download PDFInfo
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- CN218387195U CN218387195U CN202222911056.5U CN202222911056U CN218387195U CN 218387195 U CN218387195 U CN 218387195U CN 202222911056 U CN202222911056 U CN 202222911056U CN 218387195 U CN218387195 U CN 218387195U
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Abstract
The utility model belongs to the technical field of the motor, especially, relate to a be applicable to frock is pasted to dysmorphism table subsides formula magnet steel. It has solved the problem of pasting to special-shaped table pastes formula magnet steel. Comprises an upper pressing plate and a lower pressing plate which clamp a rotor iron core in the middle; and the periphery of the rotor iron core is pasted with an upper magnetic steel ring and a lower magnetic steel ring; each magnetic steel ring is formed by splicing a plurality of magnetic steel sheets, and two adjacent magnetic steel sheets of each magnetic steel ring are distributed in a staggered mode along the N/S pole; and two magnetic steel rings: the homopolar magnetic steel sheets are arranged in an up-and-down symmetrical manner; the upper pressing plate and the lower bottom plate are connected into an integrated structure through a fastener; the first adhered magnetic steel sheets of the upper magnetic steel ring and the lower magnetic steel ring are both limited and fixed through respective limiting rings; the two limit rings are identical in structure; two C-shaped notch grooves are formed in the outer circumference of each limiting ring, vertical channels are formed by the corresponding C-shaped notch grooves of the upper limiting ring and the lower limiting ring, and a guide strip is arranged in each vertical channel; the center lines of the magnetic steels with the same polarity are ensured to be collinear.
Description
Technical Field
The utility model belongs to the technical field of the motor, especially, relate to a be applicable to frock is pasted to dysmorphism table subsides formula magnet steel.
Background
At present, the surface of a rotor core of a surface-mounted synchronous motor at home and abroad is provided with a part of uniform bosses to limit the position of magnetic steel (mainly a silicon steel sheet rotor core); or the rotor is provided with uniform fixed hole positions for mounting the magnetic steel press-mounting blocks (mainly outer rotor castings). These means are all to make the surface-mounted magnet steel distribute evenly, form the even unanimous external magnetic field. The high-efficiency and stable operation of the motor is ensured.
More and more synchronous motors have specific requirements on the torque fluctuation in the operation process, so that the condition that the pole arc coefficient of the synchronous motor is approximately equal to 1 or =1 is generated; and the magnetic field distribution of the rotor is improved by changing the shape of the magnetic steel, so that the aim of reducing torque fluctuation is fulfilled. At the moment, the rotor core does not have a boss to limit the position of the magnetic steel, the magnetic steel is difficult to paste due to asymmetry of the magnetic steel, and uniform and effective magnetic field distribution cannot be formed.
The existing surface-mounted magnetic steel pasting is not suitable for special-shaped magnetic steel and a special rotor iron core. The magnetic steel is pasted and the uniform distribution of the magnetic field needs to be ensured, so that the stable and efficient operation of the motor can be ensured. The specific magnetic steel and the rotor core do not have bosses to limit the position of the magnetic steel, so that the uniform and stable magnetic steel can not be formed after the magnetic steel is pasted, and the pasting of the special-shaped magnetic steel can not be finished.
Disclosure of Invention
The utility model discloses be exactly to the defect that prior art exists, provide one kind and be applicable to dysmorphism table and paste formula magnet steel and paste frock, it has solved the problem of pasting to dysmorphism table formula magnet steel.
In order to achieve the purpose, the utility model adopts the following technical proposal that the device comprises an upper pressing plate and a lower pressing plate which clamp a rotor iron core in the middle; and the periphery of the rotor iron core is pasted with an upper magnetic steel ring and a lower magnetic steel ring; each magnetic steel ring is formed by splicing a plurality of magnetic steel sheets, and two adjacent magnetic steel sheets of each magnetic steel ring are distributed in a staggered manner along the N/S pole; and in the two magnetic steel rings: the magnetic steel sheets with the same polarity are arranged in an up-and-down symmetrical mode. It is characterized in that the upper pressing plate and the lower pressing plate are connected into an integrated structure through a fastener; the first adhered magnetic steel sheets of the upper magnetic steel ring and the lower magnetic steel ring are limited and fixed through respective limiting rings; the two limit ring structures are the same; two C-shaped notch grooves are formed in the outer circumference of each limiting ring, vertical channels are formed in the corresponding C-shaped notch grooves of the upper limiting ring and the lower limiting ring, and a guide strip is arranged in each vertical channel; the center lines of the magnetic steels with the same polarity are ensured to be collinear.
Furthermore, the inner circle of the limiting ring is provided with an A notch groove for fixing the first piece of the upper limiting ring to be pasted with the magnetic steel sheet and a B notch groove for fixing the first piece of the lower limiting ring to be pasted with the magnetic steel sheet; and the shape of the inner cavity of the notch A is consistent with the shape of the outer contour of the first sticking magnetic steel sheet of the upper limit ring, and the shape of the inner cavity of the notch B is consistent with the shape of the outer contour of the first sticking magnetic steel sheet of the lower limit ring.
Furthermore, the central line of the C-shaped notch groove of the limiting ring is a symmetrical axis of the central lines of the A/B notch grooves.
Furthermore, the two magnetic steel rings are externally sleeved with a hose clamp, and the upper magnetic steel ring and the lower magnetic steel ring are fixed through the hose clamp; and the hose clamp is located in the integrated structure.
Furthermore, the upper pressure plate is connected with the lower bottom plate through a first screw and is locked and fixed through a flange nut.
Furthermore, a jacking screw is arranged at the top of the upper pressure plate, penetrates through the upper pressure plate and applies force to the rotor core, and the screw is in threaded connection with the upper pressure plate.
Furthermore, the upper press plate and the lower base plate are both provided with grooves for positioning the rotor core, the top of the rotor core is arranged in the grooves of the upper press plate, and the bottom of the rotor core is arranged in the grooves of the lower base plate.
Furthermore, the upper pressing plate and the lower bottom plate are both provided with shaft holes for shafts to pass through, and the shaft holes of the upper pressing plate are opposite to the shaft holes of the lower bottom plate.
Furthermore, the upper pressing plate and the lower bottom plate both adopt non-magnetic materials.
Furthermore, the limiting ring adopts a non-magnetic material.
Compared with the prior art the utility model discloses beneficial effect.
The utility model discloses a component part simple structure of this invention easily makes production, and frock whole low cost.
The utility model discloses can used repeatedly, to different magnet steels, only need to change different spacing rings just can this frock structure of adaptation.
The utility model discloses structure that can adaptation rotor core differ with magnet steel length, the fastening effect through the recess degree of depth of adjusting the bottom plate and socket cap screw can reach the adaptation function to different rotor combinations.
Drawings
The present invention will be further described with reference to the accompanying drawings and the following detailed description. The scope of protection of the present invention is not limited to the following description.
Fig. 1 is a schematic diagram of a special-shaped surface-mounted magnetic steel pasting tool mechanism.
Fig. 2 is a schematic view of a-type special-shaped magnetic steel combination structure.
Fig. 3 is a schematic view of a b-type deformed magnetic steel combination structure.
Fig. 4 is a schematic structural view of the stop collar.
In the figure, 1 is a first screw, 2 is a jacking screw, 3 is a shaft, 4 is an upper pressure plate, 5 is a rotor core, 6 is magnetic steel (or called magnetic steel ring), 7 is a limit ring, 8 is a lower base plate, 9 is a flange nut, 10 is epoxy glue, 11 is a guide strip, 12 is a throat hoop, 13 is an A notch groove, 14 is a B notch groove, and 15 is a C notch groove.
Detailed Description
As shown in fig. 1 and 4, the special-shaped surface-mounted magnetic steel pasting tool is suitable for the special-shaped surface-mounted magnetic steel pasting tool: comprises an upper pressing plate 4 and a lower pressing plate 8 which sandwich a rotor iron core 5; and the periphery of the rotor iron core 5 is pasted with an upper magnetic steel ring and a lower magnetic steel ring; each magnetic steel ring is formed by splicing a plurality of magnetic steel sheets, and two adjacent magnetic steel sheets of each magnetic steel ring are distributed in a staggered manner along the N/S pole; and in the two magnetic steel rings: the homopolar magnetic steel sheets are arranged in an up-and-down symmetrical manner; the upper pressing plate 4 and the lower bottom plate 8 are connected into an integrated structure through a fastener; the first sticking magnetic steel sheets of the upper and lower magnetic steel rings are both limited and fixed by respective limiting rings 7. The two magnetic steel rings are externally sleeved with a throat hoop 12, and the upper magnetic steel ring and the lower magnetic steel ring are fixed through the throat hoop 12; and the hose clamp 12 is located within a unitary structure.
The two limit rings are identical in structure; two C-shaped notch grooves 15 are formed in the outer circumference of each limiting ring, vertical channels are formed by the C-shaped notch grooves 15 corresponding to the upper limiting ring and the lower limiting ring, and a guide strip 11 is arranged in each vertical channel; the center lines of the magnetic steels with the same polarity are ensured to be collinear. The inner circle of the limiting ring 7 is provided with an A notch groove 13 for fixing the first piece of the upper limiting ring to be pasted with the magnetic steel sheet and a B notch groove 14 for fixing the first piece of the lower limiting ring to be pasted with the magnetic steel sheet; the shape of the inner cavity of the A notch groove 13 is consistent with the shape of the outer contour of the first piece of the sticking magnetic steel sheet of the upper limit ring, and the shape of the inner cavity of the B notch groove 14 is consistent with the shape of the outer contour of the first piece of the sticking magnetic steel sheet of the lower limit ring. The central line of the C notch 15 of the limiting ring 7 is the symmetrical axis 3 of the central lines of the A/B notch.
The upper pressing plate 4 is connected with the lower base plate 8 through a first screw 1 and is locked and fixed through a flange nut 9. The first screw 1 is a socket head cap head screw. The top of the upper pressing plate 4 is provided with a jacking screw 2, the jacking screw 2 penetrates through the upper pressing plate 4 and then applies force to the rotor core 5 (namely, the jacking screw is in contact with the rotor core 5), and the screw is in threaded connection with the upper pressing plate 4. The purpose of jacking or loosening jacking force is achieved by adjusting the depth of the jacking screw 2 extending into the upper pressure plate 4. The jacking screw 2 is a socket head cap screw.
The upper pressing plate 4 and the lower base plate 8 are both provided with grooves for positioning the rotor core 5, the top of the rotor core 5 is arranged in the groove of the upper pressing plate 4, and the bottom of the rotor core 5 is arranged in the groove of the lower base plate 8. The upper pressing plate 4 and the lower bottom plate 8 are both provided with a shaft 3 hole for the shaft 3 to pass through, and the shaft 3 hole of the upper pressing plate 4 is opposite to the shaft 3 hole of the lower bottom plate 8.
Specifically, the first, lower bottom plates 8 and the upper pressing plate 4 are made of non-magnetic conducting materials, and grooves which are consistent with the outer diameter of the rotor core 5 can be added on the non-magnetic conducting materials to increase the diversity and adaptability of the invention.
2. The spacing ring 7 is a non-magnetic material, the size and distribution of A/B gaps on the spacing ring can be changed, and the spacing ring is used for adapting to different magnetic steel 6 pasting processes.
3. The central line of the C-shaped notch groove 15 on the limiting ring 7 is the symmetrical axis of the central line of the A/B notch groove, so that the guiding strip 11 can still limit the position of the central line of the magnetic steel 6 through the C-shaped notch groove after the limiting ring 7 is turned over.
In embodiment 1 and a-shaped special-shaped magnetic steel combined structure, as shown in fig. 2, the rotor magnetic steel is composed of an upper magnetic steel and a lower magnetic steel which are equal in height and different in circumference, the magnetic steels with the same polarity are uniformly distributed, the magnetic steels with the same polarity are in a convex shape, and the N/S poles of the magnetic steels are distributed in a staggered manner to form a final magnetic steel combined structure.
Example 3, as shown in fig. 4, the stop collar is constructed as follows.
The angle of the A notch is 41 degrees and is consistent with the fan-shaped angle of the a-type special-shaped big magnetic steel, and the angle of the B notch is 31 degrees and is consistent with the fan-shaped angle of the a-type special-shaped small magnetic steel.
The angle of the A notch is 41 degrees and is consistent with the maximum fan-shaped angle of the B-shaped special-shaped magnetic steel, and the angle of the B notch is 31 degrees and is consistent with the minimum fan-shaped angle of the a-shaped special-shaped magnetic steel.
A. The excircle size of the B opening is consistent with the outer diameter sizes of the a and B magnetic steels, and the inner circle size is consistent with the outer diameter size of the rotor core.
Embodiment 4, take a type dysmorphism magnet steel as an example, explain the use of pasting the frock.
Firstly, the inner surface of the magnetic steel 6 and the outer side surface of the rotor core 5 are fully coated with epoxy glue 10, and the magnetic steel 6 at the moment is 2 pieces which are one big piece and one small piece.
The large magnetic steel 6 is firstly pasted on the surface of the rotor core 5, and then the limiting ring 7 is used for limiting the large magnetic steel 6 and the rotor core 5 through the A notch groove. And continuously sticking the small magnetic steel 6 on the surface of the rotor core 5, and then limiting the small magnetic steel 6 and the rotor core 5 by using another limiting ring through the notch B. At the moment, because like poles of the two magnetic steels 6 repel each other, the central lines of the magnetic steels 6 are not on the same line, and the assembled rotor assembly is placed on the lower bottom plate 8 at the moment; and then the upper pressure plate 4 is buckled above the rotor assembly and is pre-tightened with four hexagonal flange nuts 9 through four inner hexagonal socket head cap screws around.
Then, two pilot strips 11 are respectively used for being placed in vertical channels formed by C-shaped notch grooves of the two limiting rings 7; then the screw is fastened, at this time, under the action of fastening force, the two large and small special-shaped magnetic steels 6 are limited by the A and B notch grooves and are guided by the C notch groove, and then the upper pressing plate 4 and the lower bottom plate 8 are extruded, so that the special-shaped magnetic steels 6 are correctly adhered together according to the requirement of the design size.
And finally, the stator core 5 is fastened through the threaded hole in the upper pressing plate 4 and the screw 2, so that the magnetic steel 5 and the rotor core 6 are ensured not to have vertical deviation, and then the epoxy glue 10 is cured. At the moment, the center lines of the magnetic steels with the same polarity are positioned on the same line, so that the uniform distribution of the magnetic field is ensured.
After the first-stage magnetic steel 6 is solidified, the subsequent residual magnetic steels 6 are sequentially pasted by taking the first-stage magnetic steel 6 as a reference, and the limiting ring 7 and the guide strip 11 are not needed in the pasting process. After all the magnetic steels 6 are pasted, the rotor assembly with the pasted magnetic steels 6 is placed on the lower bottom plate 8. Then, the upper pressing plate 4 is buckled above the rotor assembly, the upper pressing plate and the four hexagonal flange nuts 9 are pre-tightened through the four screws 1 around the upper pressing plate, then the throat hoop 12 is used, all the magnetic steels 6 are fastened through the outer circles of the magnetic steels 6, then the bottom plate 8 and the pressing plate 4 are fastened through the four inner hexagonal cylindrical head screws 1 and the hexagonal flange nuts 9 around the upper pressing plate, finally the rotor core 5 is fastened through the threaded holes in the upper pressing plate 4 and the screws 2, it is ensured that the magnetic steels 6 and the rotor core 5 have no vertical deviation, and then the epoxy glue 10 is waited to be cured.
It should be understood that the above detailed description of the present invention is only used for illustrating the present invention and not limited to the technical solutions described in the embodiments of the present invention, and it should be understood by those skilled in the art that the present invention can be modified or replaced with equivalent ones to achieve the same technical effects; as long as the use requirement is satisfied, the utility model is within the protection scope.
Claims (10)
1. A tool suitable for pasting special-shaped surface-mounted magnetic steel comprises an upper pressing plate and a lower pressing plate, wherein a rotor iron core is clamped in the middle of the upper pressing plate and the lower pressing plate; and the periphery of the rotor iron core is pasted with an upper magnetic steel ring and a lower magnetic steel ring; each magnetic steel ring is formed by splicing a plurality of magnetic steel sheets, and two adjacent magnetic steel sheets of each magnetic steel ring are distributed in a staggered manner along the N/S pole; and two magnetic steel rings: the homopolar magnetic steel sheets are arranged in an up-and-down symmetrical manner;
the method is characterized in that: the upper pressing plate and the lower pressing plate are connected into an integrated structure through a fastener;
the first adhered magnetic steel sheets of the upper magnetic steel ring and the lower magnetic steel ring are limited and fixed through respective limiting rings; the two limit ring structures are the same;
two C-shaped notch grooves are formed in the outer circumference of each limiting ring, vertical channels are formed in the corresponding C-shaped notch grooves of the upper limiting ring and the lower limiting ring, and a guide strip is arranged in each vertical channel; the center lines of the magnetic steels with the same polarity are ensured to be collinear.
2. The tooling is suitable for special-shaped surface-mounted magnetic steel pasting according to claim 1, and is characterized in that: the inner circle of the limiting ring is provided with an A notch groove for fixing the first piece of the upper limiting ring to be pasted with the magnetic steel sheet and a B notch groove for fixing the first piece of the lower limiting ring to be pasted with the magnetic steel sheet; the shape of the inner cavity of the notch groove A is consistent with the shape of the outer contour of the first piece of the sticking magnetic steel sheet of the upper limit ring, and the shape of the inner cavity of the notch groove B is consistent with the shape of the outer contour of the first piece of the sticking magnetic steel sheet of the lower limit ring.
3. The tooling is suitable for special-shaped surface-mounted magnetic steel pasting according to claim 2, and is characterized in that: the central line of the C notch groove of the limiting ring is a symmetrical axis of the central lines of the A/B notch grooves.
4. The tooling is suitable for special-shaped surface-mounted magnetic steel pasting according to claim 1, and is characterized in that: the two magnetic steel rings are sleeved with the hose clamp, and the upper magnetic steel ring and the lower magnetic steel ring are fixed through the hose clamp; and the hose clamp is positioned in the integrated structure.
5. The frock is pasted to special-shaped table subsides formula magnet steel according to claim 1, its characterized in that: the upper pressing plate is connected with the lower bottom plate through a first screw and is locked and fixed through a flange nut.
6. The frock is pasted to special-shaped table subsides formula magnet steel according to claim 1, its characterized in that: and a jacking screw is arranged at the top of the upper pressure plate, penetrates through the upper pressure plate and applies force to the rotor core, and is in threaded connection with the upper pressure plate.
7. The frock is pasted to special-shaped table subsides formula magnet steel according to claim 1, its characterized in that: the upper pressing plate and the lower base plate are both provided with grooves for positioning the rotor core, the top of the rotor core is arranged in the groove of the upper pressing plate, and the bottom of the rotor core is arranged in the groove of the lower base plate.
8. The tooling is suitable for special-shaped surface-mounted magnetic steel pasting according to claim 1, and is characterized in that: the upper pressing plate and the lower base plate are both provided with shaft holes for shafts to pass through, and the shaft holes of the upper pressing plate are opposite to the shaft holes of the lower base plate.
9. The frock is pasted to special-shaped table subsides formula magnet steel according to claim 1, its characterized in that: the upper pressing plate and the lower bottom plate both adopt non-magnetic-conductive materials.
10. The frock is pasted to special-shaped table subsides formula magnet steel according to claim 1, its characterized in that: the limiting ring is made of non-magnetic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222911056.5U CN218387195U (en) | 2022-11-02 | 2022-11-02 | Be applicable to frock is pasted to dysmorphism table formula magnet steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222911056.5U CN218387195U (en) | 2022-11-02 | 2022-11-02 | Be applicable to frock is pasted to dysmorphism table formula magnet steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218387195U true CN218387195U (en) | 2023-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222911056.5U Active CN218387195U (en) | 2022-11-02 | 2022-11-02 | Be applicable to frock is pasted to dysmorphism table formula magnet steel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218387195U (en) |
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2022
- 2022-11-02 CN CN202222911056.5U patent/CN218387195U/en active Active
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