A machining device for a rotor of an external rotor motor

Abstract

The utility model discloses a rotor's machining device of outer rotor motor belongs to the field of machining device, include: base, the fixed ring of sleeve connection in base outside, the positioning ring of sleeve connection in base inside, and the positioning ring is connected with a plurality of protrusions in the circumferential interval, and a plurality of protrusions all are in contact with the base, and the accommodation groove is formed between the adjacent protrusion, to make the formation a plurality of accommodation grooves, the stator assembly of sleeve connection in the positioning ring, with the controller of electric connection of stator assembly. The utility model's technical effect lies in it makes the installation accuracy of a plurality of magnetic tiles good, also makes the installation synchronism of a plurality of magnetic tiles good.

Description

TECHNICAL FIELD

[0001] The utility model relates to processingequipment, especially a rotor processing device of outer rotor motor. BACKGROUND

[0002] The outer rotor motor is a kind of motor, and the rotor is outside, and the stator is inside, with simple structure, small axial size and other advantages, widely used in wind power generation, household appliances and other fields.

[0003] The rotor of the outer rotor motor generally includes a shell and a plurality of magnetic tiles, and when processing, a plurality of magnetic tiles need to be connected to the inner wall of the shell, but the related processing device not only easily leads to the installation direction error of a plurality of magnetic tiles, thereby leading to the poor installation accuracy of a plurality of magnetic tiles, but also easily leads to the poor installation synchronization of a plurality of magnetic tiles. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a rotor processing device of outer rotor motor, which not only makes the installation accuracy of a plurality of magnetic tiles good, but also makes the installation synchronization of a plurality of magnetic tiles good.

[0005] Technical scheme

[0006] A rotor processing device of outer rotor motor, comprising:

[0007] Base;

[0008] Fixed ring sleeved outside the base;

[0009] Positioning ring sleeved inside the base, the positioning ring is connected with a plurality of protrusions along the circumference, the plurality of protrusions are in contact with the base, and the accommodation grooves are formed between adjacent protrusions, so that a plurality of accommodation grooves are formed;

[0010] Stator assembly sleeved inside the positioning ring;

[0011] Controller electrically connected with the stator assembly.

[0012] Optionally, the stator assembly comprises:

[0013] Skeleton sleeved inside the positioning ring;

[0014] A plurality of windings connected with the skeleton, the plurality of windings and the plurality of accommodation grooves are correspondingly arranged, and a plurality of windings are electrically connected with the controller.

[0015] Optionally, the skeleton comprises:

[0016] Limiting tube;

[0017] A plurality of adapter frames, one end of each of the plurality of adapter frames is connected with the limiting tube, and the plurality of windings are correspondingly wound outside the plurality of adapter frames;

[0018] A plurality of limiting plates, one end of each of the plurality of limiting plates is connected with the other end of the plurality of adapter frames, and the other end of each of the plurality of limiting plates is sleeved in the positioning ring;

[0019] Wherein, one end of the plurality of windings is in contact with the limiting tube, and the other end of the plurality of windings is in contact with the plurality of limiting plates.

[0020] Optionally, the base comprises:

[0021] A seat body;

[0022] A bottom disc sleeved outside the seat body;

[0023] Wherein, the fixing ring is sleeved outside the seat body, the fixing ring is in contact with the bottom disc, the positioning ring is sleeved inside the seat body, and the plurality of protrusions are in contact with the seat body.

[0024] Optionally, the base further comprises a stepped portion arranged on the seat body, and the positioning ring is in contact with the stepped portion.

[0025] Optionally, it further comprises an annular groove arranged on one side of the fixing ring close to the base.

[0026] Optionally, the connection mode between the positioning ring and the plurality of protrusions is integrally formed connection, and the plurality of protrusions are uniformly distributed along the circumference of the positioning ring.

[0027] Optionally, it further comprises a rack, the base and the controller are connected with the rack, the rack is provided with a threading hole, and the base covers the threading hole.

[0028] Optionally, it further comprises a positive button, a stop button and a reverse button which are electrically connected with the controller.

[0029] Optionally, the positive button and the reverse button are multi-gear buttons.

[0030] Beneficial effects:

[0031] (1) A plurality of magnetic tiles are sequentially placed in a plurality of accommodating grooves, under the action of the positive magnetic field of the stator assembly, the plurality of magnetic tiles and the positioning ring are in close contact, if the installation direction of the magnetic tile is wrong, under the action of the positive magnetic field of the stator assembly, repulsion will be generated, which will cause the magnetic tile to be unable to be installed, thereby ensuring the installation accuracy of the magnetic tile;

[0032] (2) the controller controls the stator assembly to pass reverse direct current, so that the stator assembly generates a reverse magnetic field, so that the plurality of magnetic tiles are synchronized to move to the direction close to the inner wall of the shell, in turn, the plurality of magnetic tiles are synchronized to be glued on the inner wall of the shell, ensure that the installation of the plurality of magnetic tiles is good in synchronization, and the reverse direct current is continued for a certain time, facilitate the curing of the glue, and finally complete the processing of the rotor of the outer rotor motor. BRIEF DESCRIPTION OF DRAWINGS

[0033] Figure 1 It is the structure diagram of the rotor of the outer rotor motor of the embodiment 1 of the utility model and the rotor of the processing device;

[0034] Figure 2 It is the partial sectional view of the rotor of the outer rotor motor of the embodiment 1 of the utility model and the rotor of the processing device;

[0035] Figure 3 It is the partial view of the processing device of the rotor of the outer rotor motor of the embodiment 1 of the utility model;

[0036] Figure 4 It is the structure diagram of the rotor of the outer rotor motor of the embodiment 1 of the utility model;

[0037] Figure 5 It is the magnetic field intensity vector nephogram of the plurality of magnetic tiles of the embodiment 1 of the utility model;

[0038] Figure 6 It is the magnetic flux density nephogram of the rotor of the embodiment 1 of the utility model;

[0039] Figure 7 It is the output waveform diagram of the controller of the embodiment 1 of the utility model;

[0040] In the drawing: 1, base; 11, base body; 12, bottom disc; 13, step portion; 2, fixed ring; 21, annular groove; 3, positioning ring; 31, protrusion; 32, containing groove; 4, stator assembly; 41, framework; 411, limiting tube; 412, connecting frame; 413, limiting plate; 42, winding; 5, controller; 6, frame body; 61, threading hole; 71, positive button; 72, stop button; 73, reverse button; 8, shell; 9, magnetic tile. DETAILED DESCRIPTION

[0041] In order to make the technical scheme of the utility model more clear, the utility model is further explained in detail in combination with the drawings and specific embodiments.

[0042] Embodiment 1

[0043] As Figure 1 - Figure 2The embodiment provides a processing device of a rotor of an outer rotor motor, which comprises a base 1, a fixing ring 2 sleeved outside the base 1, a positioning ring 3 sleeved inside the base 1, a plurality of protrusions 31 being connected in a circumferential direction on the outer periphery of the positioning ring 3, the plurality of protrusions 31 being in contact with the base 1, and a containing groove 32 being formed between adjacent protrusions 31 to form a plurality of containing grooves 32, a stator assembly 4 sleeved inside the positioning ring 3, and a controller 5 electrically connected with the stator assembly 4.

[0044] Specifically, during processing, firstly, the controller 5 controls the stator assembly 4 to pass forward direct current, so that the stator assembly 4 generates a forward magnetic field; then, a plurality of magnetic tiles 9 are sequentially arranged in the plurality of containing grooves 32, under the action of the forward magnetic field of the stator assembly 4, the plurality of magnetic tiles 9 and the positioning ring 3 are in close contact, if the installation direction of the magnetic tile 9 is wrong, repulsion will be generated under the action of the forward magnetic field of the stator assembly 4, so that the magnetic tile 9 cannot be installed, thereby ensuring the installation accuracy of the magnetic tile 9; then, glue is coated in the shell 8, and the shell 8 is sleeved outside the plurality of magnetic tiles 9, so that the gap between the plurality of magnetic tiles 9 and the inner wall of the shell 8 is 0.6-0.8mm, and the shell 8 is in contact with the fixing ring 2; further, the controller 5 controls the stator assembly 4 to pass reverse direct current, so that the stator assembly 4 generates a reverse magnetic field, thereby enabling the plurality of magnetic tiles 9 to move synchronously towards the inner wall of the shell 8, and then the plurality of magnetic tiles 9 are synchronously glued to the inner wall of the shell 8, so that the installation synchronization of the plurality of magnetic tiles 9 is good, and the reverse direct current is kept for a certain period of time, so that the glue is solidified, and finally the processing of the rotor of the outer rotor motor is completed; as shown in the magnetic field intensity vector chart of the plurality of magnetic tiles, Figure 5 The magnetic flux density chart of the rotor in the embodiment can know the numerical range of the magnetic flux density of the rotor. Figure 6 The magnetic flux density chart of the rotor in the embodiment can know the numerical range of the magnetic flux density of the rotor.

[0045] The base 1 is used for supporting the plurality of magnetic tiles 9, so as to limit the plurality of magnetic tiles 9 along the axial direction of the base 1, the material of the base 1 can be aluminum, copper or other materials with weak magnetic resistance, preferably aluminum, so as to prevent the base 1 from interfering with the magnetic field generated by the stator assembly 4; the fixing ring 2 is used for supporting the shell 8, so as to limit the shell 8 in the axial direction, the material of the fixing ring 2 can be aluminum, copper or other materials with weak magnetic resistance, preferably aluminum, so as to prevent the fixing ring 2 from interfering with the magnetic field generated by the stator assembly 4; the positioning ring 3 is used for bearing the plurality of protrusions 31, the plurality of protrusions 31 are used for forming the plurality of containing grooves 32, the plurality of containing grooves 32 are used for containing the plurality of magnetic tiles 9, so as to limit the plurality of magnetic tiles 9 along the circumferential direction of the positioning ring 3, the material of the positioning ring 3 can be aluminum, copper or other materials with weak magnetic resistance, preferably aluminum, so as to prevent the positioning ring 3 from interfering with the magnetic field generated by the stator assembly 4; the stator assembly 4 is used for generating a magnetic field, and the stator assembly 4 can comprise a framework 41 and a plurality of windings 42; the controller 5 is used for controlling the stator assembly 4.

[0046] Further, as Figure 2 - Figure 3 The stator assembly 4 comprises: a framework 41 sleeved in the positioning ring 3; a plurality of windings 42 connected with the framework 41, the plurality of windings 42 are arranged in correspondence with the plurality of accommodating grooves 32, and the plurality of windings 42 are electrically connected with the controller 5. Specifically, the framework 41 is used for bearing the plurality of windings 42, and the material of the framework 41 is preferably iron; the plurality of windings 42 are controlled by the controller 5 and are used for generating a magnetic field, the number of the plurality of windings 42 is equal to the number of the plurality of magnetic tiles 9, and the specific number is not limited and is preferably 14, i.e. 7 pairs; the material of the plurality of windings 42 is preferably copper, and the plurality of windings 42 are preferably connected in series with the controller 5, so as to effectively reduce the wire ends.

[0047] Further, as Figure 2 The framework 41 comprises: a limiting tube 411; a plurality of connecting frames 412, one end of each of the plurality of connecting frames 412 is connected with the limiting tube 411, and the plurality of windings 42 are correspondingly wound outside the plurality of connecting frames 412; a plurality of limiting plates 413, one end of each of the plurality of limiting plates 413 is connected with the other end of each of the plurality of connecting frames 412, and the other end of each of the plurality of limiting plates 413 is sleeved in the positioning ring 3; wherein one end of each of the plurality of windings 42 abuts against the limiting tube 411, and the other end of each of the plurality of windings 42 abuts against the plurality of limiting plates 413 correspondingly. Specifically, the plurality of connecting frames 412 are used for bearing the plurality of windings 42 correspondingly, and the limiting tube 411 and the plurality of limiting plates 413 are respectively used for limiting the two ends of the plurality of windings 42, wherein the connecting mode between the limiting tube 411, the plurality of connecting frames 412 and the plurality of limiting plates 413 can be welding or one-piece casting connection.

[0048] Further, as Figure 2 - Figure 3 The base 1 comprises: a seat body 11; a bottom disc 12 sleeved outside the seat body 11; wherein the fixing ring 2 is sleeved outside the seat body 11, the fixing ring 2 abuts against the bottom disc 12, the positioning ring 3 is sleeved in the seat body 11, and the plurality of protrusions 31 all abut against the seat body 11. Specifically, the connecting mode between the seat body 11 and the bottom disc 12 can be welding or one-piece casting connection.

[0049] Further, as Figure 2 The base 1 further comprises a stepped portion 13 arranged on the seat body 11, and the positioning ring 3 abuts against the stepped portion 13. Specifically, the stepped portion 13 is used for axially and radially limiting the positioning ring 3.

[0050] Further, as Figure 2 - Figure 3Further, the fixing ring 2 is provided with a ring-shaped groove 21 on one side close to the base 1. Specifically, the ring-shaped groove 21 is used for containing the debris, so that the debris generated when the plurality of magnetic tiles 9 are installed enters the ring-shaped groove 21, preventing the debris from gathering at the end of the fixing ring 2 away from the base 1, ensuring that the abutting stability of the shell 8 and the end of the fixing ring 2 away from the base 1 is good, thereby preventing the shell 8 from tilting, and further ensuring that the machining precision of the rotor of the outer rotor motor of the embodiment is high.

[0051] Further, as shown in FIG. 1, Figure 2 Figure 3 Specifically, the integral connection facilitates good integrity of the positioning ring 3 and the plurality of protrusions 31; and the circumferential uniform distribution facilitates uniform distribution of the plurality of magnetic tiles 9 along the circumference of the positioning ring 3, so that the plurality of magnetic tiles 9 are uniformly distributed along the circumference of the inner wall of the shell 8, ensuring good uniformity of installation of the plurality of magnetic tiles 9.

[0052] Further, as shown in FIG. 1, Figure 1 Figure 2 Further, the embodiment also includes a frame 6, the base 1 and the controller 5 are connected to the frame 6, the frame 6 is provided with a wire hole 61, and the base 1 covers the wire hole 61. Specifically, the frame 6 is used for bearing the base 1, the controller 5, etc.; the wire hole 61 is used for passing through the electrical connection wire harness between the controller 5 and the plurality of windings 42, and since the base 1 covers the wire hole 61, the base 1 covers the electrical connection wire harness, ensuring good concealment of the electrical connection wire harness.

[0053] Further, as shown in FIG. 1, Figure 1 Further, the embodiment also includes a positive button 71, a stop button 72 and a reverse button 73 which are all electrically connected to the controller 5. Specifically, the positive button 71 is used for outputting high level by the controller 5, facilitating polarity detection, magnetization, etc. of the plurality of magnetic tiles 9, and the positive button 71 is also used for outputting positive direct current by the controller 5, facilitating generation of positive magnetic field by the stator assembly 4, so as to facilitate adsorption of the plurality of magnetic tiles 9; the stop button 72 is used for outputting low level, so that the positive magnetic field or the reverse magnetic field of the stator assembly 4 disappears; the reverse button 73 is used for outputting high level by the controller 5, and is also used for outputting reverse direct current by the controller 5, facilitating generation of reverse magnetic field by the stator assembly 4, so as to facilitate repulsion of the plurality of magnetic tiles 9, and further facilitating movement of the plurality of magnetic tiles 9 towards the inner wall of the shell 8; as shown in FIG. 1, Figure 7 In the embodiment, the high level for polarity detection, the high level for adsorption, the high level for repulsion and the low level for release of the controller 5 are outputted each time, and the high level for repulsion is continuously outputted for a certain period of time, which is for facilitating curing of the glue, but the high level for magnetization of the controller 5 is outputted according to requirements.

[0054] Further, as shown in FIG. 1, Figure 1 ​​The positive button 71 and the reverse button 73 are both multi-gear buttons.

[0055] The above embodiments only express several implementation manners of the utility model, and the description is more specific and detailed, but it cannot be understood as the limitation of the utility model patent range. It should be pointed out that for ordinary skilled persons in the art, without departing from the concept of the utility model, several modifications and improvements can be made, which belong to the protection range of the utility model. Therefore, the protection range of the utility model patent should be subject to the appended claims.

Claims

1. A machining device of a rotor of an outer rotor electric machine, characterized by, The utility model relates to a kind of motor, including: Base; Fixed ring is sleeved outside the base; Positioning ring is sleeved inside the base, the positioning ring is connected with several protrusions along the circumference direction spacing, the several protrusions are all in contact with the base, and the accommodating groove is formed between adjacent protrusions, so as to form several accommodating grooves; Stator assembly is sleeved inside the positioning ring; Controller is electrically connected with the stator assembly.

2. A device for machining a rotor of an external rotor electric machine according to claim 1, characterized in that, The stator assembly includes: Skeleton is sleeved inside the positioning ring; Several windings are all connected with the skeleton, the several windings and the several accommodating grooves are correspondingly arranged, and several windings are electrically connected with the controller.

3. A device for machining a rotor of an external rotor electric machine according to claim 2, characterized in that, The skeleton includes: Limiting pipe; Several linkages, one end of the several linkages is connected with the limiting pipe, and the several windings are correspondingly wound outside the several linkages; Several limiting plates, one end of the several limiting plates and the other end of the several linkages are correspondingly connected, and the other end of the several limiting plates is sleeved inside the positioning ring; Wherein, one end of the several windings is in contact with the limiting pipe, and the other end of the several windings is correspondingly in contact with the several limiting plates.

4. A device for machining a rotor of an external rotor electric machine according to any one of claims 1-3, characterized in that, The base includes: Base body; Bottom plate is sleeved outside the base body; Wherein, the fixed ring is sleeved outside the base body, the fixed ring is in contact with the bottom plate, the positioning ring is sleeved inside the base body, and the several protrusions are all in contact with the base body.

5. A device for machining a rotor of an external rotor electric machine according to claim 4, characterized in that, The base further includes step portion provided on the base body, and the positioning ring is in contact with the step portion.

6. A device for machining a rotor of an external rotor electric machine according to any one of claims 1-3, characterized in that, It also includes annular groove provided on the side of the fixed ring close to the base.

7. A device for machining a rotor of an external rotor electric machine according to any one of claims 1-3, characterized in that, The connection mode between the positioning ring and the several protrusions is integrally connected, and the several protrusions are uniformly distributed along the circumference of the positioning ring.

8. A device for machining a rotor of an external rotor electric machine according to any one of claims 1-3, characterized in that, It also includes rack, and the base and the controller are connected with the rack, the rack is provided with threading hole, and the base covers the threading hole.

9. A device for machining a rotor of an external rotor electric machine according to any one of claims 1-3, characterized in that, It also includes positive button, stop button and reverse button, which are electrically connected with the controller.

10. A device for machining a rotor of an external rotor electric machine according to claim 9, characterized in that, The positive button and the reverse button are multi-gear buttons.

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