阅读说明：本技术 电机装配装置及电机装配方法 (Motor assembling device and motor assembling method ) 是由 潘晶 冯义兴 苏至钒 于 2019-12-19 设计创作，主要内容包括：本发明公开了一种电机装配装置及电机装配方法,用于组装电机的定子绕组和转子,该电机装配装置包括：工作台、转子定位套和定子定位套,转子定位套固定在工作台上,转子定位套具有用于容置转子的转子容置腔,转子容置于转子容置腔内并与转子定位套抵接,定子定位套具有用于容置定子绕组的定子容置腔,定子绕组容置于定子容置腔内并与定子定位套抵接,定子定位套的外径小于转子定位套的内径,定子定位套部分容置于转子容置腔内并与转子定位套抵接。上述的电机装配装置及电机装配方法能够提高电机组装精度、提高机械臂的组装精度及组装效率。(The invention discloses a motor assembling device and a motor assembling method, which are used for assembling a stator winding and a rotor of a motor, and the motor assembling device comprises: the working table comprises a working table, a rotor positioning sleeve and a stator positioning sleeve, wherein the rotor positioning sleeve is fixed on the working table, the rotor positioning sleeve is provided with a rotor accommodating cavity for accommodating a rotor, the rotor is accommodated in the rotor accommodating cavity and abutted to the rotor positioning sleeve, the stator positioning sleeve is provided with a stator accommodating cavity for accommodating a stator winding, the stator winding is accommodated in the stator accommodating cavity and abutted to the stator positioning sleeve, the outer diameter of the stator positioning sleeve is smaller than the inner diameter of the rotor positioning sleeve, and part of the stator positioning sleeve is accommodated in the rotor accommodating cavity and abutted to the rotor positioning sleeve. The motor assembling device and the motor assembling method can improve the assembling precision of the motor and the assembling precision and the assembling efficiency of the mechanical arm.)

1. An electric motor assembly apparatus for assembling a stator winding and a rotor of an electric motor, comprising: the stator positioning sleeve comprises a workbench, a rotor positioning sleeve and a stator positioning sleeve, wherein the rotor positioning sleeve is fixed on the workbench, the rotor positioning sleeve is provided with a rotor accommodating cavity for accommodating the rotor, the rotor is accommodated in the rotor accommodating cavity and abutted against the rotor positioning sleeve, the stator positioning sleeve is provided with a stator accommodating cavity for accommodating the stator winding, the stator winding is accommodated in the stator accommodating cavity and abutted against the stator positioning sleeve, the outer diameter of the stator positioning sleeve is smaller than the inner diameter of the rotor positioning sleeve, and part of the stator positioning sleeve is accommodated in the rotor accommodating cavity and abutted against the rotor positioning sleeve.

2. The motor assembling device according to claim 1, wherein the stator winding and the stator positioning sleeve are connected by a fastener or clamped connection.

3. The motor assembly apparatus of claim 1, further comprising: and the adjusting handle is connected with the stator positioning sleeve.

4. The motor assembly apparatus of claim 3, wherein the adjustment handle is coupled to the stator positioning sleeve by a fastener.

5. The motor assembling device of claim 3, wherein the number of the adjusting handles is an even number, and the even number of the adjusting handles are distributed at equal intervals along the circumferential direction.

6. The motor assembling apparatus according to claim 1, further comprising a fixing plate and a fixing base, wherein the fixing plate is disposed on the table, and the rotor positioning sleeve is fixed on the fixing plate through the fixing base.

7. The motor assembling device according to claim 6, further comprising a positioning member, wherein the fixing base is provided with a through hole, the fixing plate is provided with a plurality of positioning holes arranged at intervals, and the positioning member is inserted into the corresponding positioning hole through the through hole and then connected to the fixing plate.

8. A motor assembling method based on the motor assembling apparatus of any one of claims 1 to 7, comprising the steps of:

placing the rotor into the rotor accommodating cavity;

placing the stator winding into a stator accommodating cavity;

inserting a stator positioning sleeve into the rotor accommodating cavity;

and locking the stator winding and the rotor, and taking down the rotor positioning sleeve and the stator positioning sleeve to complete the assembly of the stator winding and the rotor.

9. The method of assembling an electric motor of claim 8, wherein said step of placing the rotor into the rotor receiving cavity further comprises, prior to said step of: and adjusting the fixing base according to the size of the rotor positioning sleeve, aligning the through hole on the fixing base with the corresponding positioning hole on the fixing plate, and inserting the positioning piece into the positioning hole through the through hole.

10. The method of assembling an electric motor of claim 8, wherein said step of inserting a stator positioning sleeve into said rotor receiving cavity further comprises, prior to said step of inserting a stator positioning sleeve into said rotor receiving cavity: and adjusting the adjusting handle to align the stator positioning sleeve with the rotor accommodating cavity.

Technical Field

The invention relates to the technical field of machining, in particular to a motor assembling device and a motor assembling method.

Background

The mechanical arm is widely applied to modern industry, the use of the mechanical arm can be seen in large-scale machines such as hoisting towers, cranes and excavators and parts assembly lines of small workshops, the motor is an important component of the mechanical arm, the motor assembly is also an important step of the mechanical arm assembly process, and the assembly precision and the assembly efficiency of the mechanical arm are directly influenced by the assembly precision of the motor. In the prior art, during the assembly process of the motor, when the stator winding and the rotor are assembled, the rotor is directly clamped on the stator winding. However, because the stator winding and the rotor have a strong magnetic attraction effect, the central axes of the rotor and the stator winding are not on the same straight line when the motor is installed, the assembly precision of the motor is low, and the assembly precision and the assembly efficiency of the mechanical arm are seriously affected.

Disclosure of Invention

The invention aims to provide a motor assembling device and a motor assembling method, which can improve the assembling precision of a motor and the assembling precision and the assembling efficiency of a mechanical arm.

To achieve the purpose, on one hand, the invention adopts the following technical scheme:

an electric motor assembly apparatus for assembling a stator winding and a rotor of an electric motor, comprising: the stator positioning sleeve comprises a workbench, a rotor positioning sleeve and a stator positioning sleeve, wherein the rotor positioning sleeve is fixed on the workbench, the rotor positioning sleeve is provided with a rotor accommodating cavity for accommodating the rotor, the rotor is accommodated in the rotor accommodating cavity and abutted against the rotor positioning sleeve, the stator positioning sleeve is provided with a stator accommodating cavity for accommodating the stator winding, the stator winding is accommodated in the stator accommodating cavity and abutted against the stator positioning sleeve, the outer diameter of the stator positioning sleeve is smaller than the inner diameter of the rotor positioning sleeve, and part of the stator positioning sleeve is accommodated in the rotor accommodating cavity and abutted against the rotor positioning sleeve.

In one embodiment, the stator winding and the stator positioning sleeve are connected through a fastener or clamped connection.

In one embodiment, the motor assembling apparatus further includes: and the adjusting handle is connected with the stator positioning sleeve.

In one embodiment, the adjusting handle is connected with the stator positioning sleeve through a fastener.

In one embodiment, the number of the adjusting handles is even, and the even adjusting handles are distributed at equal intervals along the circumferential direction.

In one embodiment, the motor assembling device further comprises a fixing plate and a fixing base, the fixing plate is arranged on the workbench, and the rotor positioning sleeve is fixed on the fixing plate through the fixing base.

In one embodiment, the motor assembling device further includes a positioning element, the fixing base is provided with a through hole, the fixing plate is provided with a plurality of positioning holes arranged at intervals, and the positioning element passes through the through hole and is connected with the fixing plate after being inserted into the corresponding positioning hole.

On the other hand, the invention also provides a motor assembling method based on the motor assembling device, which comprises the following steps:

placing the rotor into the rotor accommodating cavity;

placing the stator winding into a stator accommodating cavity;

inserting a stator positioning sleeve into the rotor accommodating cavity;

and locking the stator winding and the rotor, and taking down the rotor positioning sleeve and the stator positioning sleeve to complete the assembly of the stator winding and the rotor.

In one embodiment, the step of placing the rotor into the rotor accommodating cavity further comprises: and adjusting the fixing base according to the size of the rotor positioning sleeve, aligning the through hole on the fixing base with the corresponding positioning hole on the fixing plate, and inserting the positioning piece into the positioning hole through the through hole.

In one embodiment, the step of inserting the stator positioning sleeve into the rotor receiving cavity further comprises: and adjusting the adjusting handle to align the stator positioning sleeve with the rotor accommodating cavity.

According to the motor assembling device and the motor assembling method, the strong magnetic attraction effect between the stator winding and the rotor is overcome through the rotor positioning sleeve and the stator positioning sleeve, the central axes of the rotor and the stator winding can be ensured to be on the same straight line, the assembling concentricity of the stator winding and the rotor is ensured, the motor assembling precision can be effectively improved, and further the assembling precision and the assembling efficiency of the mechanical arm can be improved.

Drawings

FIG. 1 is a schematic view showing an applied structure of a motor mounting apparatus according to an embodiment;

fig. 2 is an exploded view of an application structure of the motor mounting apparatus in one embodiment.

Description of reference numerals:

10-workbench, 20-fixing plate, 30-fixing base, 40-rotor positioning sleeve, 50-stator positioning sleeve, 60-adjusting handle, 70-stator winding and 80-rotor.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Referring to fig. 1 to 2, a motor assembling apparatus according to an embodiment is used for assembling a stator winding 70 and a rotor 80 of a motor, and the motor assembling apparatus includes a workbench 10, a rotor positioning sleeve 40 and a stator positioning sleeve 50, the rotor positioning sleeve 40 is fixed on the workbench 10, the rotor positioning sleeve 40 has a rotor accommodating cavity for accommodating the rotor 80, the rotor 80 is accommodated in the rotor accommodating cavity and abuts against the rotor positioning sleeve 40, the stator positioning sleeve 50 has a stator accommodating cavity for accommodating the stator winding 70, the stator winding 70 is accommodated in the stator accommodating cavity and abuts against the stator positioning sleeve 50, an outer diameter of the stator positioning sleeve 50 is smaller than an inner diameter of the rotor positioning sleeve 40, and a part of the stator positioning sleeve 50 is accommodated in the rotor accommodating cavity and abuts against the rotor positioning sleeve 40.

Specifically, the inner diameter of the stator positioning sleeve 50 is adapted to the maximum diameter of the stator winding 70, the stator winding 70 is accommodated in the stator accommodating cavity and then attached to the inner surface of the stator positioning sleeve 50, so that the assembly concentricity between the stator winding 70 and the stator positioning sleeve 50 can be ensured, meanwhile, the inner diameter of the rotor positioning sleeve 40 is matched with the maximum diameter of the rotor 80, and the rotor 80 is accommodated in the rotor accommodating cavity and then attached to the inner surface of the rotor positioning sleeve 40, so that the assembly concentricity between the rotor 80 and the rotor positioning sleeve 50 is ensured. Further, the inner diameter of the rotor positioning sleeve 40 is matched with the outer diameter of the stator positioning sleeve 50, after the stator positioning sleeve 50 is inserted into the rotor accommodating cavity, the outer surface of the stator positioning sleeve 50 is attached to the inner surface of the rotor positioning sleeve 40, and the concentricity of the stator positioning sleeve 50 and the rotor positioning sleeve 40 is guaranteed, so that the rotor 80 and the stator winding 70 are guaranteed to have high enough assembly concentricity, and the influence of the strong magnetic attraction between the stator winding 70 and the rotor 80 on the motor assembling precision is effectively overcome.

When the stator winding 70 and the rotor 80 of the motor are assembled by using the motor assembling device, the stator winding 70 is firstly placed in the stator accommodating cavity of the stator positioning sleeve 50, the rotor 80 is placed in the rotor accommodating cavity of the rotor positioning sleeve 40, then the stator positioning sleeve 50 is inserted into the rotor accommodating cavity, then the stator winding 70 and the rotor 80 are locked, and finally the rotor positioning sleeve 40 and the stator positioning sleeve 50 are taken down, so that the assembly of the stator winding 70 and the rotor 80 is completed.

In summary, the motor assembling device can overcome the strong magnetic attraction effect between the stator winding 70 and the rotor 80 by using the rotor positioning sleeve 40 and the stator positioning sleeve 50, so that the central axes of the rotor 80 and the stator winding 70 are on the same straight line, the assembly concentricity of the stator winding 70 and the rotor 80 is ensured, the motor assembling precision can be effectively improved, and the assembling precision and the assembling efficiency of the mechanical arm can be further improved.

In one embodiment, to ensure that the stator winding 70 and the stator positioning sleeve 50 are stably and reliably connected during the assembling process, the stator winding 70 and the stator positioning sleeve 50 are connected by a fastener. After the stator winding 70 is placed in the stator accommodating cavity, the stator winding 70 and the stator positioning sleeve 50 are locked and fixed through the fastening piece, and when the stator positioning sleeve 50 needs to be taken down, the fastening piece is taken down firstly, and then the stator positioning sleeve 50 is taken down. Specifically, the fastener may be, but is not limited to, a bolt.

In the above embodiment, the stator winding 70 and the stator positioning sleeve 50 are connected by the fastening member. In another embodiment, the stator winding 70 and the stator positioning sleeve 50 can be fixed relatively by clamping. Specifically, a first clamping protrusion is arranged on the outer surface of the stator winding 70, a second clamping protrusion is arranged on the inner surface of the stator positioning sleeve 50, the first clamping protrusion and the second clamping protrusion are arranged in a staggered manner, after the stator winding 70 is placed in the stator accommodating cavity, the stator winding 70 and the stator positioning sleeve 50 are relatively rotated, and the first clamping buckle and the second clamping buckle can be aligned and clamped, so that the stator winding 70 and the stator positioning sleeve 50 are relatively fixed; when the stator positioning sleeve 50 needs to be removed, the stator winding 70 and the stator positioning sleeve 50 are rotated reversely, the first buckle and the second buckle are separated from each other, and the stator positioning sleeve 50 can be removed.

In one embodiment, the motor assembly apparatus further includes an adjustment handle 60, the adjustment handle 60 being connected to the stator positioning sleeve 50. Because the stator winding 70 and the rotor 80 have a strong magnetic attraction effect, when the stator positioning sleeve 50 is inserted into the rotor accommodating cavity, the stator positioning sleeve 50 may be biased, and at this time, the position of the stator positioning sleeve 50 needs to be adjusted to ensure that the stator positioning sleeve 50 can be smoothly inserted into the rotor accommodating cavity, and the position adjustment operation of the stator positioning sleeve 50 can be conveniently performed by arranging the adjusting handle 60 in the embodiment, which is beneficial to improving the assembly efficiency. Specifically, the adjustment handle 60 is coupled to the stator positioning sleeve 50 via a fastener, which may be, but is not limited to, a bolt. Further, the number of the adjustment handles 60 is even, and the even number of the adjustment handles 60 are distributed at equal intervals along the circumferential direction, as shown in fig. 1 and fig. 2, in this embodiment, the number of the adjustment handles 60 is four, in other embodiments, the number of the adjustment handles 60 may also be two, six, eight, and the like, and this embodiment is not limited specifically.

In an embodiment, the motor assembling apparatus further includes a fixing plate 20 and a fixing base 30, the fixing plate 20 is disposed on the working table 10, and the rotor positioning sleeve 40 is fixed on the fixing plate 20 by the fixing base 30.

Further, in an embodiment, the motor assembling apparatus further includes a positioning element, a through hole is formed on the fixing base 30, a plurality of positioning holes are formed on the fixing plate 20 at intervals, and the positioning element is inserted into the corresponding positioning hole through the through hole to be connected with the fixing plate 20. Specifically, the stator winding 70 of the motor of different models and the size of rotor 80 are different, for the assembly demand that adapts to different models motor, rotor position sleeve 40 and stator position sleeve 50 have multiple specification, in this embodiment, the locating hole through set up a plurality of intervals on fixed plate 20 and set up can realize the mounted position adjustment of fixed baseplate 30, thereby can satisfy the installation demand of the rotor position sleeve 40 of different models, adapt to the assembly demand of different models motor, improve the compatibility of device. Specifically, the positioning member may be, but is not limited to, a bolt or a positioning pin.

The invention also provides a motor assembling method based on the motor assembling device, which comprises the following steps: firstly, the rotor 80 is placed in a rotor accommodating cavity; then, the stator winding 70 is placed into the stator receiving cavity; then, the stator positioning sleeve 50 is inserted into the rotor accommodating cavity, finally, the stator winding 70 and the rotor 80 are locked, and the rotor positioning sleeve 40 and the stator positioning sleeve 50 are removed, so that the stator winding 70 and the rotor 80 are assembled.

In one embodiment, the step of placing the rotor 80 into the rotor receiving cavity further comprises, before the step of: the fixing base 30 is adjusted according to the size of the rotor positioning sleeve 40, so that the through hole on the fixing base 30 is aligned with the corresponding positioning hole on the fixing plate 20, and the positioning piece is inserted into the positioning hole through the through hole. Specifically, the stator positioning sleeve 50 and the rotor positioning sleeve 40 with proper specifications are selected according to the types of the stator winding 70 and the rotor 80, and the position of the fixed base 30 on the fixed plate 20 is adjusted according to the size of the rotor positioning sleeve 40 so as to meet the assembly requirements of motors with different types.

In one embodiment, the step of inserting the stator positioning sleeve 50 into the rotor receiving cavity further comprises: the adjustment knob 60 is adjusted to align the stator locating sleeve 50 with the rotor receiving cavity. Specifically, if the stator positioning sleeve 50 is inserted into the rotor accommodating cavity, the stator positioning sleeve 50 is biased by the strong magnetic attraction between the stator winding 70 and the rotor 80, the adjusting handle 60 is adjusted to drive the stator positioning sleeve 50 to move, and the position of the stator positioning sleeve 50 is adjusted, so that the stator positioning sleeve 50 is smoothly inserted into the rotor accommodating cavity.

According to the motor assembling method, the motor assembling device is applied, so that the motor assembling precision can be effectively improved, and the assembling precision and the assembling efficiency of the mechanical arm can be improved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.