Motor for soybean milk machine

Abstract

The utility model discloses a motor for a soybean milk machine, which is characterized in that mounting slotted holes are symmetrically and parallelly arranged on an iron core sheet body, so that a plurality of permanent magnets mounted in the mounting slotted holes are symmetrically and parallelly arranged; the motor has the advantages of being good in excitation effect, stable in excitation, large in motor output power, stable and reliable in structure and good in mute effect.

Description

[Technical field]

[0001] The utility model relates to a motor for a soybean milk machine. [Background technology]

[0002] The motor used in the soymilk machine to drive the stirring component to rotate accordingly usually needs to have a high output power. However, some motors with high output power have the problems of large overall size and heavy weight.

[0003] In addition, some motors have several magnets fixed on the circumferential side of the rotor core. Most of the magnets are directly fixed to the rotor core with glue. When the rotor core rotates at high speed, the magnets are easily thrown off, resulting in poor structural stability and loose connections, which affect the normal use of the motor.

[0004] In addition, the mounting slots for embedding magnetic steel on the rotor core of some motors are usually arranged radially. This mounting structure is prone to problems such as poor excitation effect, which affects the performance of the motor.

[0005] For this reason, the present invention is studied and proposed in view of the above-mentioned problems. [Utility Model Content]

[0006] The utility model aims to overcome the deficiencies of the prior art and provide a motor for a soybean milk machine, which has the characteristics of good and stable excitation effect, stable structure and good mute effect.

[0007] The utility model is realized by the following technical solutions:

[0008] A motor for a soybean milk machine comprises a motor housing 1, wherein a stator assembly 2 fixed relative to the motor housing 1 is provided in the motor housing 1, and a rotor assembly 3 rotatable relative to the motor housing 1 is also provided in the motor housing 1; the rotor assembly 3 comprises a rotating shaft 31 rotatably connected to the motor housing 1, a rotor core 32 relatively fixedly provided on the rotating shaft 31, and a permanent magnet 33 relatively fixedly provided on the rotor core 32, wherein the rotor core 32 comprises a plurality of circular ferrite core bodies 321, wherein the plurality of ferrite core bodies 321 are stacked axially to form the rotor core 32, wherein each of the ferrite core bodies 321 is provided with a ferrite core through hole 322 for the rotating shaft 31 to pass through, and each of the ferrite core bodies 321 is evenly distributed with mounting slots 323 symmetrically and parallelly arranged on the circumference of the ferrite core through hole 322 for mounting the permanent magnet 33.

[0009] In the motor for a soybean milk machine as described above, a plurality of the mounting slots 323 form a square, a regular hexagon or a regular octagon.

[0010] In the motor for a soymilk machine as described above, a plurality of riveted protrusions are evenly arranged on one surface of the iron core sheet 321, and riveted concave points corresponding to the riveted protrusions are formed on the other surface of the iron core sheet 321. When a plurality of iron core sheets 321 are stacked axially, two adjacent iron core sheets 321 are riveted and fixed by the riveted protrusions and the riveted concave points.

[0011] In the motor for a soymilk machine as described above, a guide structure 34 for guiding the movement path of the permanent magnet 33 is provided between the permanent magnet 33 and the mounting slot 323, and the guide structure 34 includes a guide ridge 341 or a guide groove 342 provided on the permanent magnet 33 and a guide groove 342 or a guide ridge 341 provided on the inner wall of the mounting slot 323 and cooperating with the guide ridge 341 or the guide groove 342.

[0012] In the motor for a soybean milk machine as described above, the guide convex strip 341 and the guide groove 342 are both provided with guide inclined surfaces 343 that can be adapted to each other.

[0013] As described above, a motor for a soybean milk machine, the motor housing 1 includes an upper housing 11 rotatably connected to the upper part of the rotating shaft 31 and a lower housing 12 rotatably connected to the lower part of the rotating shaft 31, and the upper housing 11 and the lower housing 12 are respectively provided with heat dissipation holes 13 communicating with the inner cavity of the motor housing 1.

[0014] In the motor for a soybean milk machine as described above, the lower end of the rotating shaft 31 passes through the lower housing 12 and is coaxially and rotatably connected to the heat dissipation impeller 14 .

[0015] In the motor for a soymilk machine as described above, the heat dissipation impeller 14 includes an impeller body 141 and an impeller connecting hole 142 provided on the impeller body 141, and the impeller connecting hole 142 is integrally formed with the impeller body 141 during the stamping process, and the impeller connecting hole 142 is fixed to the rotating shaft 31 by riveting so that the impeller body 141 is coaxially and movably connected to the rotating shaft 31.

[0016] As described above, a motor for a soybean milk machine, the upper shell 11 includes a ring-shaped shell connecting part 111 and a shell connecting seat 113 located above the shell connecting part 111 and rotatably connected to the upper part of the rotating shaft 31, a plurality of shell connecting members 112 arranged at circumferential intervals are provided between the shell connecting seat 113 and the shell connecting part 111, one end of the shell connecting member 112 is connected to the outer side of the shell connecting seat 113, and the other end of the shell connecting member 112 is connected to the shell connecting part 111; the heat dissipation hole 13 is formed by the gap between two adjacent shell connecting members 112.

[0017] In the motor for a soybean milk machine as described above, the structure of the lower shell 12 is the same as that of the upper shell 11 .

[0018] Compared with the prior art, the utility model has the following advantages:

[0019] 1. The utility model arranges the mounting slots symmetrically and in parallel on the core sheet, so that the plurality of permanent magnets installed in the mounting slots are arranged symmetrically and in parallel, and the permanent magnets magnetize the rotor core at the same time. When the rotor core has the same volume, the utility model has the characteristics of good and stable excitation effect, large motor output power, stable and reliable structure and good mute effect.

[0020] 2. When multiple iron core sheets are stacked axially, two adjacent iron core sheets are riveted and fixed by riveting convex points and riveting concave points, which can make the connection between adjacent iron core sheets more stable and tighter, improve the structural strength, and thus improve the reliability.

[0021] 3. In order to ensure smooth installation, a guide structure for guiding the movement path of the permanent magnet is provided between the permanent magnet and the installation slot.

[0022] 4. In order to improve the heat dissipation efficiency, the upper shell and the lower shell are respectively provided with heat dissipation holes communicated with the inner cavity of the motor shell, and the lower end of the rotating shaft passes through the lower shell and is coaxially and rotatably connected with a heat dissipation impeller.

[0023] 5. In order to ensure high concentricity between the heat dissipation impeller and the rotating shaft and ensure smooth operation of the motor, the impeller body is integrally formed with an impeller connecting hole during the stamping process. The impeller connecting hole and the rotating shaft are fixed by riveting so that the impeller body and the rotating shaft are coaxially and movably connected.

Brief Description of the Drawings

[0024] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings, wherein:

[0025] Figure 1 It is a three-dimensional diagram of the utility model.

[0026] Figure 2 It is a side view of the utility model.

[0027] Figure 3 It is a cross-sectional view of the utility model.

[0028] Figure 4 It is an exploded view of the utility model.

[0029] Figure 5 It is the front view of the iron chip body in the utility model. [Specific implementation method]

[0030] The implementation modes of the present utility model are described in detail below in conjunction with the accompanying drawings.

[0031] like Figure 1-5As shown, the utility model is a motor for a soybean milk machine, comprising a motor housing 1, wherein a stator assembly 2 fixed relative to the motor housing 1 is provided in the motor housing 1, and a rotor assembly 3 rotatable relative to the motor housing 1 is also provided in the motor housing 1; the rotor assembly 3 comprises a rotating shaft 31 rotatably connected to the motor housing 1, a rotor core 32 relatively fixedly arranged on the rotating shaft 31, and a permanent magnet 33 relatively fixedly arranged on the rotor core 32, wherein the rotor core 32 comprises a plurality of circular ferrite core bodies 321, wherein the plurality of ferrite core bodies 321 are stacked axially to form the rotor core 32, wherein each of the ferrite core bodies 321 is provided with a core through hole 322 for the rotating shaft 31 to pass through, and each of the ferrite core bodies 321 and located on the periphery of the ferrite core through hole 322 are evenly distributed with mounting slots 323 for mounting permanent magnets 33 which are symmetrically and parallelly arranged. The utility model arranges the installation slots symmetrically and in parallel on the core sheet, thereby making the plurality of permanent magnets installed in the installation slots symmetrical and in parallel, and the permanent magnets magnetize the rotor core at the same time. Under the condition that the rotor core has the same volume, the structure of the utility model has the characteristics of good and stable excitation effect, large motor output power, stable and reliable structure and good silencing effect.

[0032] The side walls of the mounting slots 323 are all arranged in a straight surface, which can increase the moment of inertia of the motor when it rotates and improve the rotation efficiency.

[0033] In order to ensure high concentricity, the rotor core 32 is integrally formed with the core through hole 322 and the mounting slot hole 323 during the stamping process.

[0034] The utility model divides the rotor core 32 into a plurality of core pieces 321, which is easier to implement in the manufacturing process and reduces the manufacturing difficulty.

[0035] like Figure 5 As shown, in order to improve the excitation effect, the plurality of mounting slots 323 form a square, a regular hexagon or a regular octagon.

[0036] A plurality of riveted protrusions are evenly arranged on one surface of the iron chip body 321, and riveted concave points corresponding to the riveted protrusions are formed on the other surface of the iron chip body 321. When a plurality of iron chip bodies 321 are stacked axially, two adjacent iron chip bodies 321 are riveted and fixed by the riveted protrusions and the riveted concave points, which can make the connection between adjacent iron chip bodies more stable and tighter, improve the structural strength, and thus improve the reliability.

[0037] like Figure 4 , 5As shown, in order to ensure smooth installation, a guide structure 34 for guiding the movement path of the permanent magnet 33 is provided between the permanent magnet 33 and the mounting slot 323, and the guide structure 34 includes a guide ridge 341 or a guide groove 342 provided on the permanent magnet 33 and a guide groove 342 or a guide ridge 341 provided on the inner wall of the mounting slot 323 and cooperating with the guide ridge 341 or the guide groove 342.

[0038] like Figure 4 , 5 As shown, the guide ridge 341 and the guide groove 342 are both provided with guide slopes 343 that can adapt to each other, which is conducive to ensuring accurate guide matching and making the structures of the two more compact.

[0039] like Figure 1-4 As shown, in order to improve the heat dissipation efficiency, the motor housing 1 includes an upper housing 11 rotatably connected to the upper part of the rotating shaft 31 and a lower housing 12 rotatably connected to the lower part of the rotating shaft 31, and the upper housing 11 and the lower housing 12 are respectively provided with heat dissipation holes 13 that communicate with the inner cavity of the motor housing 1.

[0040] like Figure 1-4 As shown, in order to improve the heat dissipation efficiency, the lower end of the rotating shaft 31 passes through the lower housing 12 and is coaxially and movably connected with the heat dissipation impeller 14 .

[0041] like Figure 1-4 As shown, in order to ensure high concentricity between the heat dissipation impeller and the rotating shaft and ensure smooth operation of the motor, the heat dissipation impeller 14 includes an impeller body 141 and an impeller connecting hole 142 provided on the impeller body 141, and the impeller connecting hole 142 is integrally formed in the impeller body 141 during the stamping process, and the impeller connecting hole 142 is fixed to the rotating shaft 31 by riveting so that the impeller body 141 is coaxially and movably connected to the rotating shaft 31.

[0042] like Figure 1-4 As shown, in order to facilitate installation and ensure a stable and reliable structure, the upper shell 11 includes a ring-shaped shell connecting portion 111 and a shell connecting seat 113 located above the shell connecting portion 111 and rotatably connected to the upper portion of the rotating shaft 31, and a plurality of shell connecting members 112 arranged at circumferential intervals are provided between the shell connecting seat 113 and the shell connecting portion 111, one end of the shell connecting member 112 is connected to the outer side of the shell connecting seat 113, and the other end of the shell connecting member 112 is connected to the shell connecting portion 111; the heat dissipation hole 13 is formed by the gap between two adjacent shell connecting members 112.

[0043] like Figure 1-4 As shown, the structure of the lower shell 12 is the same as that of the upper shell 11, and will not be described again here.

Claims

1. A motor for a soybean milk machine, characterized in that: The invention comprises a motor housing (1), wherein a stator assembly (2) fixed relative to the motor housing (1) is arranged in the motor housing (1), and a rotor assembly (3) rotatable relative to the motor housing (1) is also arranged in the motor housing (1); the rotor assembly (3) comprises a rotating shaft (31) rotatably connected to the motor housing (1), a rotor core (32) fixedly arranged relative to the rotating shaft (31), and a permanent magnet (33) fixedly arranged relative to the rotor core (32), wherein the rotor The iron core (32) comprises a plurality of circular iron core sheets (321), wherein the plurality of iron core sheets (321) are stacked axially to form the rotor iron core (32), each of the iron core sheets (321) is provided with an iron core through hole (322) for the rotating shaft (31) to pass through, and each of the iron core sheets (321) is evenly distributed with installation slots (323) symmetrically and parallelly arranged on the periphery of the iron core through hole (322) for installing permanent magnets (33).

2. A motor for a soymilk machine according to claim 1, characterized in that: The plurality of mounting slots (323) form a square, a regular hexagon or a regular octagon.

3. The motor for a soymilk machine according to claim 1, characterized in that: A plurality of riveting convex points are evenly arranged on one surface of the iron core sheet (321), and riveting concave points corresponding to the riveting convex points are formed on the other surface of the iron core sheet (321), and when a plurality of iron core sheets (321) are stacked along the axial direction, two adjacent iron core sheets (321) are riveted and fixed by the riveting convex points and the riveting concave points.

4. The motor for a soybean milk machine according to claim 1, characterized in that: A guide structure (34) for guiding the movement path of the permanent magnet (33) is provided between the permanent magnet (33) and the mounting slot hole (323), and the guide structure (34) comprises a guide convex strip (341) or a guide groove (342) provided on the permanent magnet (33) and a guide groove (342) or a guide convex strip (341) provided on the inner wall of the mounting slot hole (323) and cooperating with the guide convex strip (341) or the guide groove (342).

5. A motor for a soybean milk machine according to claim 4, characterized in that: The guide convex strip (341) and the guide groove (342) are both provided with guide inclined surfaces (343) that can adapt to each other.

6. A motor for a soymilk machine according to any one of claims 1 to 5, characterized in that: The motor housing (1) comprises an upper housing (11) rotatably connected to the upper portion of a rotating shaft (31) and a lower housing (12) rotatably connected to the lower portion of the rotating shaft (31), and the upper housing (11) and the lower housing (12) are respectively provided with heat dissipation holes (13) that communicate with the inner cavity of the motor housing (1).

7. A motor for a soybean milk machine according to claim 6, characterized in that: The lower end of the rotating shaft (31) passes through the lower housing (12) and is coaxially and movably connected to a heat dissipation impeller (14).

8. The motor for a soybean milk machine according to claim 7, characterized in that: The heat dissipation impeller (14) comprises an impeller body (141) and an impeller connecting hole (142) provided on the impeller body (141), and the impeller connecting hole (142) is integrally formed on the impeller body (141) during a stamping process, and the impeller connecting hole (142) is fixed to the rotating shaft (31) by riveting so that the impeller body (141) and the rotating shaft (31) are coaxially and comovably connected.

9. The motor for a soymilk machine according to claim 6, characterized in that: The upper shell (11) comprises a ring-shaped shell connecting portion (111) and a shell connecting seat (113) located above the shell connecting portion (111) and rotatably connected to the upper portion of the rotating shaft (31); a plurality of shell connecting members (112) arranged at circumferential intervals are provided between the shell connecting seat (113) and the shell connecting portion (111); one end of the shell connecting member (112) is connected to the outer side of the shell connecting seat (113), and the other end of the shell connecting member (112) is connected to the shell connecting portion (111); the heat dissipation hole (13) is formed by the gap between two adjacent shell connecting members (112).

10. The motor for a soybean milk machine according to claim 9, characterized in that: The structure of the lower shell (12) is the same as that of the upper shell (11).

Images