CN117081338B

CN117081338B - Motor assembling equipment and method

Info

Publication number: CN117081338B
Application number: CN202311036135.9A
Authority: CN
Inventors: 陈孝督; 章明犬; 谢立贰; 原枫; 严忆泉; 郜业猛
Original assignee: Xiaomi Automobile Technology Co Ltd
Current assignee: Xiaomi Automobile Technology Co Ltd
Priority date: 2023-08-16
Filing date: 2023-08-16
Publication date: 2024-06-18
Anticipated expiration: 2043-08-16
Also published as: CN117081338A

Abstract

The invention relates to motor assembling equipment and a method, wherein the motor assembling equipment comprises a frame, a shell feeding mechanism, a clamping mechanism and a stator feeding mechanism; the shell feeding mechanism is movably arranged on the frame along a first direction and provided with a heating position and a clamping position, the stator feeding mechanism is movably arranged on the frame along the first direction and provided with a stator feeding position and a hot jacket position, and the clamping mechanism is movably arranged on the frame along a second direction and can clamp a motor shell on the shell feeding mechanism at the clamping position; in the hot jacket position, the clamping mechanism can enable the motor shell on the clamping mechanism to be hot-jacketed with the motor stator on the stator feeding mechanism; wherein the first direction and the second direction are arranged in an intersecting manner. In the hot jacket process, the clamping mechanism does not need to clamp the motor stator, so that the assembly precision of the oil ring on the motor stator can be ensured, and the oil ring on the motor stator can be prevented from falling off.

Description

Motor assembling equipment and method

Technical Field

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

Background

For the motor, mainly comprises a motor shell, a stator and a rotor, wherein the fixed part of the motor is called a stator, and a pair of stationary main magnetic poles excited by direct current are arranged on the stator; the rotor of the rotating part is called an armature core, an armature winding is arranged on the rotor, induced electromotive force is generated after the armature winding is electrified, and electromagnetic torque is generated to perform energy conversion after the armature winding is used as a rotating magnetic field.

In the related art, the trend of vehicle electric drive is integration, when carrying out the shrink fit to motor stator, need to heat motor housing to accurately combine motor stator and motor housing together, often be provided with the oil ring on the motor stator to the oil-cooled motor, when carrying out the shrink fit, the condition that the assembly precision is low and drop from motor stator often appears to the oil ring.

Disclosure of Invention

In order to overcome the problems in the related art, the present disclosure provides a motor assembling apparatus and method to solve the technical problems in the related art.

According to a first aspect of embodiments of the present disclosure, there is provided a motor assembling apparatus including a frame, a housing feeding mechanism, a clamping mechanism, and a stator feeding mechanism;

The shell feeding mechanism comprises a shell base and a heating body, wherein the shell base is movably arranged on the frame along the first direction and used for detachably loading the motor shell, the shell base is provided with a heating position and a clamping position in the first direction, and the heating body is movably arranged on the frame along the second direction and is provided with a first position and a second position;

When the housing base is in the heating position, the heating body is movable to the first position, and the heating body is capable of limiting the housing base in the first direction and is capable of being used for heating the motor housing;

when the shell base is in the clamping position, the heating body can move to the second position, and the heating body can release the limit of the shell base in the first direction;

The clamping mechanism is movably arranged on the rack along a second direction;

in the clamping position, the clamping mechanism can clamp the motor shell on the shell base;

The stator feeding mechanism is movably arranged on the frame along the first direction and is provided with a stator feeding position and a hot jacket position, and the stator feeding mechanism can be used for loading a motor stator at the stator feeding position; in the shrink fit position, the stator feeding mechanism can be arranged opposite to the motor shell on the clamping mechanism, and the clamping mechanism can move along the second direction so as to shrink fit the motor shell on the clamping mechanism and the motor stator on the stator feeding mechanism;

wherein the first direction and the second direction are arranged in an intersecting manner.

In some embodiments, the housing base includes a base plate movably disposed to the frame along the first direction and a plurality of first positioning members connected to the base plate for positioning the motor housing at the base plate; the base plate is provided with a heating hole through which the heating body moves, when the heating body is positioned at the first position, the heating body penetrates through the heating hole, and when the heating body is positioned at the second position, the heating body does not penetrate through the heating hole.

In some embodiments, the plurality of first positioning members includes a plurality of first members for positioning a first motor housing of a first motor of the dual motor and a plurality of second members for positioning a second motor housing of a second motor of the dual motor.

In some embodiments, the shell feeding mechanism further includes a first driving portion, the first driving portion includes a supporting seat and a first driving portion body that are connected to each other, the supporting seat can support the heating body, and the first driving portion body is disposed on the frame and can drive the supporting seat to drive the heating body to move along the second direction.

In some embodiments, the clamping mechanism includes a second driving portion, a clamping seat, a plurality of second positioning members and a plurality of clamping members, wherein a plurality of clamping members are arranged on the clamping seat and used for clamping or releasing the motor housing or the hot jacket assembly, a plurality of second positioning members are arranged on the clamping seat and used for positioning the motor housing or the hot jacket assembly, and the second driving portion is arranged on the frame and connected with the clamping seat, and can drive the clamping seat to move along the second direction.

In some embodiments, the plurality of second positioning members includes a plurality of third members for positioning a first motor housing or a first thermal jacket assembly of a first motor of the dual motor and a plurality of fourth members for positioning a second motor housing or a second thermal jacket assembly of a second motor of the dual motor;

the clamping pieces comprise a plurality of first clamping pieces and a plurality of second clamping pieces, the first clamping pieces are used for clamping or releasing a first motor shell or a first hot jacket assembly of a first motor in the double motors, and the second clamping pieces are used for clamping or releasing a second motor shell or a second hot jacket assembly of a second motor in the double motors.

In some embodiments, the stator feeding mechanism includes a stator base, a stator support and a plurality of locking pieces, the stator base is movably arranged on the frame along the first direction, the stator support is rotatably arranged on the stator base around an axis extending along the second direction, the stator support is used for supporting and positioning a motor stator, the locking pieces are arranged on the stator base, and the locking pieces can respectively lock and position a plurality of different rotation positions of the stator support.

In some embodiments, the stator support includes a support body and a rotating arm, the support body is rotatably disposed on the stator base around an axis extending along the second direction, the rotating arm is connected to the support body, and a clamping block for clamping with the motor stator is formed on the support body;

the locking piece comprises a locking seat and a locking pin, the locking seat is arranged on the stator base, the locking pin is movably arranged on the locking seat, and the supporting piece body is provided with a locking hole for the locking pin to correspondingly penetrate through.

In some embodiments, the motor assembling device further comprises a rotor feeding mechanism movably arranged on the frame along the first direction and having a rotor feeding position and an assembling position;

rotor feeding position, rotor feed mechanism can be used for loading motor rotor and motor end cover the position of assembling, rotor feed mechanism can with fixture follows the second direction sets up relatively, just fixture can make motor casing and motor stator on it with motor rotor and motor end cover on the rotor feed mechanism are assembled.

In some embodiments, the rotor feeding mechanism includes a rotor base, a third positioning member and a fourth positioning member, the rotor base is movably disposed on the frame along the first direction, the third positioning member and the fourth positioning member are disposed on the rotor base, the third positioning member and the rotor base are used for rotatably penetrating the motor rotor, and the fourth positioning member is used for supporting and positioning the motor end cover.

In some embodiments, the third positioning member comprises a rotor positioning post extending in the second direction and having a first positioning hole formed therein extending in the second direction, the rotor base having a second positioning hole formed therein extending in the second direction and communicating with the first positioning hole; the first positioning hole and the second positioning hole are used for rotatably penetrating a rotating shaft of the motor rotor; and/or, the fourth positioning piece comprises a plurality of end cover positioning columns, and the end cover positioning columns extend along the second direction and are used for supporting and positioning the motor end cover.

In some embodiments, the first positioning hole and the second positioning hole can be used for rotatably penetrating a rotating shaft of a motor rotor of any one of the double motors; and/or, a part of the end cover positioning columns can support and position the motor end cover of one motor in the double motors, and another part of the end cover positioning columns can support and position the motor end cover of the other motor in the double motors.

In some embodiments, the motor assembling device further comprises a locking mechanism arranged on the frame, and the locking mechanism can be used for locking and positioning a rotating shaft of the motor rotor when the rotor feeding mechanism is in the assembling position.

In some embodiments, the locking mechanism includes a first locking portion and a second locking portion;

The first locking part comprises a first driving unit and a first locking rod, the first driving unit and the first locking rod are arranged on the clamping mechanism, the first locking rod extends along the second direction, and the first driving unit can drive the first locking rod to move along the second direction so as to enable the first locking rod to be propped against one end of a rotating shaft of the motor rotor in the combined position;

The second locking part comprises a second driving unit and a wedge block, wherein the second driving unit and the wedge block are arranged on the frame, a wedge surface and a propping surface which are connected with each other are formed on the wedge block, the wedge block is movably arranged on the frame along the first direction, and the second driving unit can drive the wedge block to move along the first direction so as to enable the wedge surface or the propping surface to prop against the other end of the rotating shaft of the motor rotor at the combined position.

In some embodiments, the clamping mechanism includes a second driving portion, a clamping seat, and a plurality of clamping pieces, where the clamping pieces are disposed on the clamping seat and are used for clamping or releasing the motor housing or the thermal jacket assembly, the second driving portion is disposed on the frame and is connected with the clamping seat, and the second driving portion can drive the clamping seat to move along the second direction;

the first locking part further comprises a guide rod and a guide block, the guide rod is arranged on the clamping seat in an extending mode along the second direction, the guide block is sleeved on the guide rod in a sliding mode along the second direction, the first driving unit is arranged on the guide rod and used for driving the guide block to slide, and the first locking rod movably penetrates through the clamping seat along the second direction and is connected with the guide block.

In some embodiments, the first locking portion further comprises a guide sleeve extending in the second direction and having a relief groove extending in the second direction;

The first locking rod comprises a locking rod body and a connecting rod which are connected with each other, the locking rod body extends along the second direction and is movably arranged in the guide sleeve, and the connecting rod penetrates through the avoidance groove to be connected with the guide block.

In some embodiments, the frame includes a first bracket and a second bracket connected to each other;

the first support comprises a first support plate and a plurality of first support columns, the plurality of first support columns extend along the second direction and are connected with the first support plate, the first support plate extends along the first direction and the third direction, the first support plate is formed with a sliding rail extending along the first direction, and the shell feeding mechanism and the stator feeding mechanism are both slidably arranged on the sliding rail;

The second bracket comprises a second bracket body, a first installation part and a second installation part, wherein the second bracket body extends along the second direction, and the first installation part and the second installation part are respectively connected to two ends of the second bracket body and are oppositely arranged along the second direction; the first support plate is arranged on the first installation part, and the clamping mechanism is movably arranged on the second installation part along the second direction;

The first direction, the second direction and the third direction are arranged in a mutually intersected mode.

In some embodiments, the motor assembling device further comprises a heat dissipation module, wherein the heat dissipation module is arranged on the frame and is used for dissipating heat of the motor shell and the motor stator after the heat jacket.

According to a second aspect of the embodiments of the present disclosure, there is also provided a motor assembling method, which adopts the motor assembling apparatus described above, including:

The shell feeding mechanism moves to the heating position so as to load and heat the motor shell for a first period of time;

the stator feeding mechanism moves to the feeding position so as to load the motor stator;

after the motor shell is heated for a first period of time, the shell feeding mechanism moves to the clamping position;

the clamping mechanism moves in the second direction to clamp the motor shell;

the shell feeding mechanism moves to the heating position;

the stator feeding mechanism moves to the hot jacket position, and the clamping mechanism moves along the second direction so as to enable the motor shell and the motor stator to be hot-jacketed.

The technical scheme provided by the embodiment of the disclosure can comprise the following beneficial effects: when the motor stator and the motor shell are in thermal sleeve fit, the shell feeding mechanism is moved to a heating position to load and heat the motor shell, and in the heating process, the stator feeding mechanism is moved to the feeding position to load the motor stator; after heating is completed, the shell feeding mechanism moves to a clamping position, then the clamping mechanism can clamp a motor shell on the shell feeding mechanism, and the shell feeding mechanism is reset to the heating position; then the stator loading mechanism loads the motor stator to move to the hot jacket position, and the clamping mechanism drives the motor shell to move in the second direction, so that hot jacket assembly is realized with the motor stator on the stator loading mechanism. In addition, after the shrink fit is completed, the motor stator is firmly arranged on the inner wall of the motor shell and is configured as a shrink fit assembly, and the clamping mechanism can clamp the shrink fit assembly. In the hot jacket process, the clamping mechanism does not need to clamp the motor stator, so that the assembly precision of the oil ring on the motor stator can be ensured, and the oil ring on the motor stator can be prevented from falling off.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.

Fig. 1 is a schematic view showing a structure of a motor-assembling apparatus according to an exemplary embodiment.

Fig. 2 is a schematic structural view of a housing feeding mechanism of a motor assembly device according to an exemplary embodiment, and a first support plate is also illustrated in the figure.

Fig. 3 is a partial structural schematic diagram of a motor-assembling apparatus according to an exemplary embodiment.

Fig. 4 is a schematic structural view of a clamping mechanism of a motor-driven device according to an exemplary embodiment, and a schematic partial structural view of the first locking portion is also illustrated.

Fig. 5 is a schematic structural view of a clamping mechanism of a motor-driven device according to an exemplary embodiment, and also a schematic structural view of a first locking portion, and a guide sleeve.

Fig. 6 is a partial schematic view of a clamping mechanism of a motor-assembling apparatus according to an exemplary embodiment, in which a plurality of clamping members and a plurality of second positioning members are schematically shown.

Fig. 7 is a partial enlarged view at D in fig. 3.

Fig. 8 is a schematic structural view of a stator feeding mechanism and a rotor feeding mechanism of a motor assembling apparatus according to an exemplary embodiment, and also illustrates a motor stator, a motor rotor, and a motor end cover.

Fig. 9 is a schematic structural view of a stator feeding mechanism and a rotor feeding mechanism of a motor assembly apparatus according to an exemplary embodiment.

Description of the reference numerals

1. First bracket of frame 11

111. First support column of first support plate 112

1110. Second support of slide rail 12

121. First mounting portion of second bracket body 122

123. A second mounting part

2. Shell base of shell feeding mechanism 21

211. Heating hole of base plate 2110

212. First positioning piece 2121 first piece body

2122. Second body 2123 first common body

22. First driving part of heating body 23

231. First driving part body of bearing bracket 232

3. Second driving part of clamping mechanism 31

32. Second positioning piece of clamping seat 33

331. Third body 332 fourth body

333. Second common member 34 clamping member

341. First clamping member 342 second clamping member

343. Shared clamping member

4. Stator feeding mechanism 41 stator base

42. Stator support 421 support body

422. Rotating arm 43 locking piece

431. Locking seat 432 locking pin

5. Rotor feeding mechanism 51 rotor base

52. Third positioning piece 53 fourth positioning piece

531. Motor rotor with end cover positioning column 50

60. Motor end cover

6. First locking part of locking mechanism 61

611. First driving unit 612 first locking lever

6121. Locking lever body 6122 connecting rod

613. Guide bar 614 guide block

615. Guide sleeve 6150 avoidance groove

62. Second locking portion 621 second driving unit

622. Wedge 6221 wedge face

6222. Heat dissipation module against top surface 7

100. First control cabinet 200 second control cabinet

300. Operation panel

Detailed Description

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present disclosure as detailed in the accompanying claims.

In the present disclosure, unless otherwise stated, terms such as "first direction, second direction, and third direction" used specifically may refer to fig. 1; the terms such as "first" and "second" are used merely to distinguish one element from another element and do not have order or importance.

Referring to fig. 1 to 9, the present disclosure provides a motor assembling apparatus including a frame 1, a housing feeding mechanism 2, a clamping mechanism 3, and a stator feeding mechanism 4. The shell feeding mechanism 2 is movably arranged on the frame 1 along a first direction A and is provided with a heating position and a clamping position, wherein the shell feeding mechanism 2 can be used for loading and heating a motor shell; in the clamping position, the housing loading mechanism 2 can be arranged opposite to the clamping mechanism 3 in the second direction B. The stator feeding mechanism 4 is movably arranged on the frame 1 along the first direction A and is provided with a stator feeding position and a hot jacket position, and the stator feeding mechanism 4 can be used for loading the motor stator 40 at the stator feeding position; in the shrink fit position, the stator feeding mechanism 4 can be arranged opposite to the motor housing on the clamping mechanism 3. The clamping mechanism 3 is movably arranged on the frame 1 along the second direction B, and in the clamping position, the clamping mechanism 3 can clamp the motor shell on the shell feeding mechanism 2; in the shrink fit position, the clamping mechanism 3 can shrink fit the motor housing thereon with the motor stator 40 on the stator feeding mechanism 4. The first direction A and the second direction B are intersected.

In the above technical solution, when the motor stator 40 and the motor housing are thermally sleeved, the housing feeding mechanism 2 is moved to the heating position to load and heat the motor housing, and during the heating process, the stator feeding mechanism 4 is moved to the feeding position to load the motor stator 40; after the heating is finished, the shell feeding mechanism 2 moves to a clamping position, then the clamping mechanism 3 can clamp a motor shell on the shell feeding mechanism 2, and the shell feeding mechanism 2 is reset to the heating position; then the stator feeding mechanism 4 loads the motor stator 40 to move to a hot jacket position, and the clamping mechanism 3 drives the motor shell to move in the second direction B, so that hot jacket assembly is realized with the motor stator 40 on the stator feeding mechanism 4. In addition, when the shrink-fit is completed, the motor stator 40 is firmly provided to the inner wall of the motor housing and configured as a shrink-fit assembly, which can be held by the holding mechanism 3. In the whole hot sheathing process, the clamping mechanism 3 does not need to clamp the motor stator 40, so that the assembly precision of the oil ring on the motor stator 40 can be ensured, and the oil ring on the motor stator 40 can be prevented from falling off.

Alternatively, referring to fig. 1 and 2, the housing loading mechanism 2 includes a housing base 21 and a heating body 22, the housing base 21 is movably disposed on the frame 1 along a first direction a, and the housing base 21 is used for loading the motor housing, and the heating body 22 is movably disposed on the frame 1 along a second direction B. When the shell feeding mechanism 2is positioned at the heating position, the heating body 22 moves to the first position, and the heating body 22 can limit the shell base 21 in the first direction A and can be used for heating the motor shell; when the housing feeding mechanism 2is at the clamping position, the heating body 22 moves to the second position, and the heating body 22 can release the limit of the housing base 21 in the first direction a.

In this embodiment, after the motor housing is loaded onto the housing base 21, the heating body 22 may be moved to a first position in which the heating body 22 may be located within and capable of heating the motor housing. When the heating is completed, the heating body 22 can be moved to the second position, releasing the heating of the motor housing. The shell feeding mechanism 2 is simple in structure and convenient to manufacture and process. The heating body 22 may be configured as a heating coil, but the present disclosure is not limited to a specific structural type of the heating body 22.

In one embodiment, referring to fig. 2, the housing base 21 includes a base plate 211 and a plurality of first positioning members 212, the base plate 211 being movably provided to the frame 1 along a first direction a, the first positioning members 212 being connected to the base plate 211 and being used for positioning the motor housing at the base plate 211; the base plate 211 is formed with a heating hole 2110 through which the heating body 22 moves, the heating body 22 being perforated with the heating hole 2110 when the heating body 22 is in the first position, the heating body 22 not being perforated with the heating hole 2110 when the heating body 22 is in the second position.

In this embodiment, the base plate 211 is movably disposed on the frame 1, for example, a slide rail 1110 extending in the first direction a may be disposed on the frame 1, and a slider forming a sliding fit with the slide rail 1110 may be disposed on the base plate 211, so as to achieve movement in the first direction a. The plurality of first positioning pieces 212 are used for positioning the motor housing on the base plate 211, ensuring that the motor housing is in a proper posture and preventing shaking, and ensuring the assembly precision. In addition, the plurality of first positioning members 212 may position the left motor housing of the dual-drive motor, or position the right motor housing of the dual-drive motor, which is not limited in this disclosure.

For example, referring to fig. 2, the plurality of first positioning members 212 includes a plurality of first member bodies 2121 and a plurality of second member bodies 2122, the plurality of first member bodies 2121 are used for positioning a first motor housing of a first motor of the dual motors, and the plurality of second member bodies 2122 are used for positioning a second motor housing of a second motor of the dual motors, so that the left and right housings of the dual motors can be used for the combined device without changing tools, and the assembly efficiency is improved. Additionally, the plurality of first positioning members 212 may further include a plurality of first common members 2123, and both the first motor housing and the second motor housing may be positioned using the first common members 2123. For example, when positioning of the first motor housing is required, the plurality of first members 2121 and the plurality of first common members 2123 enable positioning of the first motor housing; when the second motor housing needs to be positioned, the plurality of second member bodies 2122 and the plurality of first common member bodies 2123 can realize the positioning of the second motor housing.

In other embodiments, referring to fig. 2, the housing feeding mechanism 2 further includes a first driving portion 23, where the first driving portion 23 includes a support seat 231 and a first driving portion body 232 that are connected to each other, the support seat 231 can support the heating body 22, and the first driving portion body 232 is disposed on the frame 1 and can drive the support seat 231 to drive the heating body 22 to move along the second direction B. That is, by providing the first driving portion 23, the movement of the heating body 22 between the first position and the second position is achieved. The bearing seat 231 can effectively support the heating body 22, so as to ensure the stability of the heating body 22. The cradle 231 may be configured in any suitable shape and configuration, which is not limited by the present disclosure. The first driving part body 232 may be configured as any suitable driving structure, which is not limited in this disclosure. For example, the first driving part body 232 may be configured as a hydraulic cylinder, an air cylinder, a linear motor, or the like extending in the second direction B.

Alternatively, referring to fig. 3 to 5, the clamping mechanism 3 includes a second driving portion 31, a clamping seat 32, a plurality of second positioning members 33, and a plurality of clamping members 34, wherein the plurality of clamping members 34 are disposed on the clamping seat 32 and are used for clamping or releasing the motor housing or the thermal jacket assembly, the plurality of second positioning members 33 are disposed on the clamping seat 32 and are used for positioning the motor housing or the thermal jacket assembly, the second driving portion 31 is disposed on the frame 1 and is connected with the clamping seat 32, and the second driving portion 31 is capable of driving the clamping seat 32 to move along the second direction B.

In this embodiment, the provision of the clamping seat 32 provides a stable mounting base for the second positioning member 33 and the clamping member 34. The plurality of clamping pieces 34 can stably clamp the motor shell or the thermal sleeve assembly, and the plurality of second positioning pieces 33 can ensure the accurate positioning of the motor shell or the thermal sleeve assembly, so that the assembly precision is improved. The second driving part 31 is provided to promote the degree of automation, so that the operator can operate the device conveniently.

The holder 32 may be configured in any suitable shape and configuration, which is not limited by this disclosure. In addition, in order to promote the stability that grip slipper 32 moved along second direction B, can be provided with the slip track that extends along the second direction on frame 1, can be provided with the sliding block on the grip slipper 32, the sliding block forms sliding fit with the slip track, guarantees the stability that grip slipper 32 moved in second direction B. The second positioning member 33 may also be configured in any suitable shape and configuration, which is not limited by the present disclosure. For example, the second positioning member 33 may be configured as a positioning structure such as a positioning pin or a positioning hole. In addition, for the clamp 34, the clamp 34 may be configured as any suitable clamp structure, for example, the clamp 34 may be configured as a jaw structure.

Referring to fig. 6, the plurality of second positioning members 33 include a plurality of third members 331 and a plurality of fourth members 332, the plurality of third members 331 are used for positioning a first motor housing or a first thermal jacket assembly of a first motor of the dual motor, and the plurality of fourth members 332 are used for positioning a second motor housing or a second thermal jacket assembly of a second motor of the dual motor. The plurality of clamping members 34 includes a plurality of first clamping members 341 and a plurality of second clamping members 342, wherein the plurality of first clamping members 341 are used for clamping or releasing a first motor housing or a first thermal jacket assembly of a first motor of the dual motor, and the plurality of second clamping members 342 are used for clamping or releasing a second motor housing or a second thermal jacket assembly of a second motor of the dual motor. Therefore, the clamping of the first motor shell/the second motor shell/the first hot jacket assembly/the second hot jacket assembly in the double motors can be realized, the tool is not required to be replaced, and the practicability is higher.

In addition, the plurality of second positioning members 33 may further include a second common member 333, and the second common member 333 may implement positioning of the first motor housing or the first thermal jacket assembly, or positioning of the second motor housing or the second thermal jacket assembly. The plurality of clamps 34 may also include a common clamp 343, which common clamp 343 may enable clamping and release of both the first motor housing or first thermal sleeve assembly and the second motor housing or second thermal sleeve assembly.

In another embodiment, referring to fig. 8 and 9, the stator feeding mechanism 4 includes a stator base 41, a stator support 42 and a plurality of locking pieces 43, the stator base 41 is movably disposed on the frame 1 along the first direction a, the stator support 42 is rotatably disposed on the stator base 41 around an axis extending along the second direction B, the stator support 42 is used for supporting and positioning the motor stator 40, the plurality of locking pieces 43 are disposed on the stator base 41, and the plurality of locking pieces 43 can respectively lock and position a plurality of different rotation positions of the stator support 42.

In this embodiment, since the stator support 42 is rotatably provided to the stator base 41 about the axis extending in the second direction B, the motor stator 40 thereon can be rotated to a corresponding posture by rotating the stator support 42 so as to be thermally fit-fitted with the motor housing. In addition, when the stator support 42 rotates to a proper position, the locking member 43 can lock and position the stator support 42, so as to prevent the stator support 42 from shaking.

The locking members 43 may be provided in two, and the two locking members 43 serve to lock two rotational positions of the stator support 42. For example, for a dual motor of a vehicle, the motor stator 40 of the left motor may correspond to a first rotational position of the stator support 42 and the motor stator 40 of the right motor may correspond to a second rotational position of the stator support 42.

Alternatively, referring to fig. 1, 8 and 9, the stator support 42 includes a support body 421 and a rotating arm 422, the support body 421 is rotatably disposed on the stator base 41 about an axis extending in the second direction B, the rotating arm 422 is connected to the support body 421, and a clamping block 4210 for clamping with the motor stator 40 is formed on the support body 421. The locking member 43 includes a locking seat 431 and a locking pin 432, the locking seat 431 is disposed on the stator base 41, the locking pin 432 is movably disposed on the locking seat 431, and the supporting member body 421 is formed with a locking hole through which the locking pin 432 is correspondingly inserted.

In this embodiment, an operator can grasp the rotating arm 422 to perform the rotation of the support body 421, and for the support body 421, the support body 421 can be adapted to the shape of the motor stator 40 and can positionally lock the motor stator 40. For example, the supporting member body 421 is formed with a locking block 4210 for locking the motor stator 40, so as to prevent the motor stator 40 from rotating relative to the supporting member body 421. After the support member body 421 rotates in place, the locking pin 432 is correspondingly inserted into the locking hole of the support member body 421, so that the support member body 421 is prevented from rotating, accurate positioning of the motor stator 40 is achieved, and assembly accuracy is further guaranteed. However, the present disclosure is not limited to the specific structure of the locking member 43, and the rotation of the supporting member body 421 may be prevented.

Referring to fig. 1,8 and 9, the motor assembling apparatus further includes a rotor feeding mechanism 5, and the rotor feeding mechanism 5 is movably disposed on the frame 1 along the first direction a and has a rotor feeding position and an assembling position. In the rotor loading position, the rotor loading mechanism 5 can be used for loading the motor rotor 50 and the motor end cover 60, in the combined position, the rotor loading mechanism 5 can be arranged opposite to the clamping mechanism 3 along the second direction B, and the clamping mechanism 3 can combine the motor housing and the motor stator 40 on the clamping mechanism with the motor rotor 50 and the motor end cover 60 on the rotor loading mechanism 5.

In this embodiment, through integrating rotor feed mechanism 5 on this motor closes equipment, can realize the motor casing, motor stator 40, motor rotor 50 and motor end cover 60's the equipment of closing, promote assembly efficiency, need not to close the dress on different frock, promote assembly quality and satisfy the cost reduction demand.

Alternatively, referring to fig. 8 and 9, the rotor feeding mechanism 5 may include a rotor base 51, a third positioning member 52, and a fourth positioning member 53, where the rotor base 51 is movably disposed on the frame 1 along the first direction a, the third positioning member 52 and the fourth positioning member 53 are disposed on the rotor base 51, the third positioning member 52 and the rotor base 51 are configured to rotatably pass through the motor rotor 50, and the fourth positioning member 53 is configured to support and position the motor end cover 60.

The rotor base 51 may be configured in any suitable shape and configuration, which is not limited by the present disclosure. In addition, the rotor base 51 may be constructed as a unitary structure with the stator base 41. The third positioning piece 52 is used for positioning the motor rotor 50, so that the motor rotor 50 is prevented from shaking. The fourth positioning piece 53 supports and positions the motor end cover 60, so that the assembly accuracy is ensured.

For example, referring to fig. 9, the third positioning member 52 includes a rotor positioning post extending in the second direction B, and a first positioning hole extending in the second direction B is formed in the rotor positioning post, and the rotor base 51 is formed with a second positioning hole extending in the second direction B and communicating with the first positioning hole; the first positioning hole and the second positioning hole are used for rotatably penetrating the rotating shaft of the motor rotor 50; and/or, the fourth positioning member 53 includes a plurality of end cap positioning posts 531, and the end cap positioning posts 531 extend along the second direction B and are used for supporting and positioning the motor end cap 60. The third positioning member 52 and the fourth positioning member 53 are simple in structure and convenient for manufacturing, but the specific structure of the third positioning member 52 and the fourth positioning member 53 is not limited in this disclosure.

In addition, the first positioning hole and the second positioning hole can be used for rotatably penetrating the rotating shaft of the motor rotor 50 of any one of the two motors; and/or, a part of the plurality of end cover positioning posts 531 can support and position the motor end cover 60 of one motor of the double motors, and another part of the plurality of end cover positioning posts 531 can support and position the motor end cover 60 of the other motor of the double motors. Thus, the motor rotor 50 and the motor end cover 60 with different double motors can be loaded without replacing tools.

Referring to fig. 4 to 7, the motor assembling device further includes a locking mechanism 6 disposed on the frame 1, and when the rotor feeding mechanism 5 is at the assembling position, the locking mechanism 6 can be used for locking and positioning the rotating shaft of the motor rotor 50, so as to avoid the attraction in the assembling process of the motor stator 40 and the motor rotor 50. The locking mechanism 6 may be configured in any suitable configuration, which is not limited by the present disclosure.

For example, referring to fig. 4 to 6, the lock mechanism 6 includes a first lock portion 61 and a second lock portion 62, the first lock portion 61 including a first drive unit 611 and a first lock lever 612 provided to the clamp mechanism 3, the first lock lever 612 extending in the second direction B, the first drive unit 611 being capable of driving the first lock lever 612 to move in the second direction B for abutting the first lock lever 612 against one end of the rotation shaft of the motor rotor 50 in the assembled position. The second locking portion 62 includes a second driving unit 621 and a wedge block 622, which are disposed on the frame 1, the wedge block 622 is formed with a wedge surface 6221 and a supporting surface 6222, which are connected to each other, the wedge block 622 is movably disposed on the frame 1 along a first direction a, and the second driving unit 621 can drive the wedge block 622 to move along the first direction a, so as to be used for supporting the wedge surface 6221 or the supporting surface 6222 against the other end of the rotating shaft of the motor rotor 50 in the assembled position. That is, the motor rotor 50 is fixed by abutting and fixing the two ends of the rotating shaft of the motor rotor 50, so that the motor rotor 50 is prevented from tilting or rotating.

In addition, referring to fig. 4 and 5, the first locking portion 61 further includes a guide rod 613 and a guide block 614, the guide rod 613 is disposed on the clamping seat 32 so as to extend along the second direction B, the guide block 614 is slidably sleeved on the guide rod 613 along the second direction B, the first driving unit 611 is disposed on the guide rod 613 and is used for driving the guide block 614 to slide, and the first locking rod 612 movably penetrates the clamping seat 32 along the second direction B and is connected with the guide block 614.

Through setting up the guide bar 613 that extends along second direction B, guide block 614 slidably sets up in guide bar 613, and this guide block 614 is connected with first locking lever 612, then when first drive unit 611 drive first locking lever 612 moves along second direction B's in-process, guide block 614 also follows first locking lever 612 and moves, guide block 614's stability along second direction B removal can be guaranteed to the setting of guide bar 613, avoid taking place to rock, also guarantee the stability of first locking lever 612 along second direction B removal, avoid first locking lever 612 to take place to rock.

Referring to fig. 5 and 6, the first locking part 61 further includes a guide sleeve 615, and the guide sleeve 615 extends in the second direction B and has a relief groove 6150 extending in the second direction B; the first locking lever 612 includes a locking lever body 6121 and a connecting lever 6122 connected to each other, the locking lever body 6121 extending in the second direction B and being movably disposed within the guide sleeve 615, the connecting lever 6122 passing through the escape groove 6150 to be connected to the guide block 614. The stability of the first locking rod 612 moving along the second direction B can be ensured more effectively by providing the guide sleeve 615, the first locking rod 612 is prevented from shaking more effectively, and the guide sleeve 615 can also protect the first locking rod 612 effectively, so that the first locking rod 612 is prevented from being damaged. In addition, by providing the escape groove 6150, it can be ensured that the first locking lever 612 can still be connected with the guide block 614 during the movement in the second direction B.

Referring to fig. 1 and 3, the frame 1 includes a first bracket 11 and a second bracket 12 connected to each other; the first bracket 11 comprises a first bracket plate 111 and a plurality of first bracket columns 112, the plurality of first bracket columns 112 extend along the second direction B and are connected with the first bracket plate 111, the first bracket plate 111 extends along the first direction a and the third direction C, the first bracket plate 111 is formed with a sliding rail 1110 extending along the first direction a, and the housing feeding mechanism 2 and the stator feeding mechanism 4 are both slidably arranged on the sliding rail 1110. The second bracket 12 includes a second bracket body 121, a first mounting portion 122 and a second mounting portion 123, wherein the second bracket body 121 extends along a second direction B, and the first mounting portion 122 and the second mounting portion 123 are respectively connected to two ends of the second bracket body 121 and are oppositely arranged along the second direction B; the first support plate 111 is disposed on the first mounting portion 122, and the clamping mechanism 3 is movably disposed on the second mounting portion 123 along the second direction B; the first direction A, the second direction B and the third direction C are arranged in a two-to-two intersection mode.

In this embodiment, since the second bracket 12 includes the first mounting portion 122 and the second mounting portion 123, the first mounting portion 122 and the second mounting portion 123 are disposed opposite to each other along the second direction B, and the first bracket plate 111 is disposed on the first mounting portion 122, the clamping mechanism 3 is disposed movably on the second mounting portion 123 along the second direction B. When the housing feeding mechanism 2 is moved to a position opposite to the first mounting portion 122, when the stator feeding mechanism 4 is moved to a position opposite to the first mounting portion 122, and when the rotor feeding mechanism 4 is moved to a position opposite to the first mounting portion 122, the clamping mechanism 3 can perform a corresponding clamping or releasing action by moving in the second direction B. The present disclosure is not limited to the specific structures of the first bracket 11 and the second bracket 12.

Referring to fig. 1 and 3, the motor assembling device further includes a heat dissipation module 7, the heat dissipation module 7 is disposed on the frame 1, and the heat dissipation module 7 is used for dissipating heat of the motor housing and the motor stator 40 after heat jacket, and assembling the stator and the rotor after the temperature is reduced to a proper temperature and necessary detection and installation of related accessories are completed. The heat dissipation module 7 may be configured as any suitable heat dissipation structure, which is not limited by the present disclosure, and for example, the heat dissipation module 7 may be configured as a heat dissipation fan.

As shown in fig. 1, the motor-mounting apparatus may further include a first control cabinet 100, a second control cabinet 200, and an operation panel 300, wherein the first control cabinet 100 is electrically connected to the second driving unit 31 to control the second driving unit 31. The second control cabinet 200 and the operation panel 300 are electrically connected to the heating body 22, and control the operation of the heating body 22.

In addition, when the motor shaft and the input shaft of the speed reducer are integrated, the integrated shaft is divided into two bearings and three bearings, wherein the process steps of the two bearings are the same, and the scheme of the three bearings of the integrated shaft relates to the step of synchronously pressing the intermediate bearing onto the integrated shaft in the process of assembling the stator and the rotor, the intermediate bearing is sleeved into the integrated shaft before assembling the stator and the rotor and is arranged above an intermediate bearing chamber of a motor shell, at the moment, the guide sleeve 615 can be utilized to prop against the inner ring of the intermediate bearing, and counter-force support is formed in the process of assembling, so that the press fitting of the inner ring of the intermediate bearing and the integrated shaft is realized.

The present disclosure further provides a motor assembling method, which adopts the motor assembling apparatus, including:

the shell feeding mechanism 2 moves to a heating position to load and heat the motor shell for a first period of time;

The stator feeding mechanism 4 moves to a feeding position to load the motor stator 40;

After the motor shell is heated for a first period of time, the shell feeding mechanism 2 moves to a clamping position;

the clamping mechanism 3 moves in a second direction B to clamp the motor shell;

the shell feeding mechanism 2 moves to a heating position;

The stator feeding mechanism 4 moves to the shrink fit position, and the clamping mechanism 3 moves along the second direction B, so that the motor housing and the motor stator 40 shrink fit.

When the motor stator 40 and the motor shell are in thermal sheathing fit, the shell feeding mechanism 2 is moved to a heating position to load and heat the motor shell, and in the heating process, the stator feeding mechanism 4 is moved to a feeding position to load the motor stator 40; after the first time is heated, the shell feeding mechanism 2 moves to a clamping position, then the clamping mechanism 3 can clamp a motor shell on the shell feeding mechanism 2, and the shell feeding mechanism 2 is reset to the heating position; then the stator feeding mechanism 4 loads the motor stator 40 to move to a hot jacket position, and the clamping mechanism 3 drives the motor shell to move in the second direction B, so that hot jacket assembly is realized with the motor stator 40 on the stator feeding mechanism 4. In addition, when the shrink-fit is completed, the motor stator 40 is firmly provided to the inner wall of the motor housing and configured as a shrink-fit assembly, which can be held by the holding mechanism 3. In the whole hot sheathing process, the clamping mechanism 3 does not need to clamp the motor stator 40, so that the assembly precision of the oil ring on the motor stator 40 can be ensured, and the oil ring on the motor stator 40 can be prevented from falling off.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure. This application is intended to cover any adaptations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It is to be understood that the present disclosure is not limited to the precise arrangements and instrumentalities shown in the drawings, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. The motor assembling equipment is characterized by comprising a frame, a shell feeding mechanism, a clamping mechanism and a stator feeding mechanism;

The shell feeding mechanism is movably arranged on the frame along a first direction and is provided with a heating position and a clamping position, and in the heating position, the shell feeding mechanism can be used for loading and heating the motor shell; in the clamping position, the shell feeding mechanism and the clamping mechanism can be oppositely arranged along a second direction;

The stator feeding mechanism is movably arranged on the frame along the first direction and is provided with a stator feeding position and a hot jacket position, and the stator feeding mechanism can be used for loading a motor stator at the stator feeding position; in the hot jacket position, the stator feeding mechanism can be arranged opposite to a motor shell on the clamping mechanism;

The clamping mechanism is movably arranged on the frame along a second direction, and in the clamping position, the clamping mechanism can clamp a motor shell on the shell feeding mechanism; in the shrink fit position, the clamping mechanism can shrink fit the motor shell on the clamping mechanism with the motor stator on the stator feeding mechanism;

Wherein the first direction and the second direction are intersected;

The shell feeding mechanism comprises a shell base and a heating body, wherein the shell base is movably arranged on the frame along the first direction, the shell base is used for loading a motor shell, and the heating body is movably arranged on the frame along the second direction;

when the shell feeding mechanism is positioned at the heating position, the heating body moves to a first position, and the heating body can be used for heating the motor shell; when the shell feeding mechanism is positioned at the clamping position, the heating body moves to a second position, and the heating body can be used for removing the heating of the motor shell.

2. The motor pack apparatus according to claim 1, wherein when the housing feeding mechanism is in the heating position, the heating body is moved to a first position, the heating body being capable of restricting the housing base in the first direction;

When the shell feeding mechanism is positioned at the clamping position, the heating body moves to a second position, and the heating body can release the limit of the shell base in the first direction;

The shell base comprises a base plate and a plurality of first positioning pieces, the base plate is movably arranged on the frame along the first direction, and the first positioning pieces are connected with the base plate and are used for positioning the motor shell on the base plate; the base plate is provided with a heating hole through which the heating body moves, and when the heating body is positioned at the first position, the heating body passes through the heating hole so as to limit the shell base in the first direction; when the heating body is positioned at the second position, the heating hole is not penetrated through by the heating body so as to release the limit of the shell base in the first direction.

3. The motor pack apparatus according to claim 2, wherein the plurality of first positioning members includes a plurality of first members for positioning a first motor housing of a first motor of the twin motor and a plurality of second members for positioning a second motor housing of a second motor of the twin motor.

4. The motor assembling device according to claim 1, wherein the housing feeding mechanism further comprises a first driving portion, the first driving portion comprises a supporting seat and a first driving portion body which are connected with each other, the supporting seat can support the heating body, and the first driving portion body is arranged on the frame and can drive the supporting seat to drive the heating body to move along the second direction.

5. The motor assembling apparatus according to claim 1, wherein the clamping mechanism includes a second driving portion, a clamping seat, a plurality of second positioning members and a plurality of clamping members, the plurality of clamping members are disposed on the clamping seat and are used for clamping or releasing the motor housing or the thermal jacket assembly, the plurality of second positioning members are disposed on the clamping seat and are used for positioning the motor housing or the thermal jacket assembly, the second driving portion is disposed on the frame and is connected with the clamping seat, and the second driving portion is capable of driving the clamping seat to move along the second direction.

6. The motor pack apparatus according to claim 5, wherein the plurality of second positioning members includes a plurality of third members for positioning a first motor housing or a first thermal jacket assembly of a first motor of the twin motors and a plurality of fourth members for positioning a second motor housing or a second thermal jacket assembly of a second motor of the twin motors;

7. The motor assembling apparatus according to claim 1, wherein the stator feeding mechanism includes a stator base, a stator support member, and a plurality of locking members, the stator base is movably disposed on the frame along the first direction, the stator support member is rotatably disposed on the stator base around an axis extending along the second direction, and the stator support member is used for supporting and positioning a motor stator, the plurality of locking members are disposed on the stator base, and the plurality of locking members are capable of respectively locking and positioning a plurality of different rotational positions of the stator support member.

8. The motor assembling apparatus according to claim 7, wherein the stator support includes a support body rotatably provided to the stator base about an axis extending in the second direction, and a rotating arm connected to the support body, the support body being formed with a click-on block for click-on with a motor stator;

9. The motor-mounting apparatus of claim 1, further comprising a rotor-feeding mechanism movably disposed in the frame along the first direction and having a rotor-feeding position and a mounting position;

10. The motor assembly device of claim 9, wherein the rotor loading mechanism comprises a rotor base, a third positioning member and a fourth positioning member, the rotor base is movably disposed on the frame along the first direction, the third positioning member and the fourth positioning member are disposed on the rotor base, the third positioning member and the rotor base are used for rotatably penetrating a motor rotor, and the fourth positioning member is used for supporting and positioning a motor end cover.

11. The motor-assembling apparatus according to claim 10, wherein the third positioning member includes a rotor positioning post that extends in the second direction, and in which a first positioning hole that extends in the second direction is formed, and the rotor base is formed with a second positioning hole that extends in the second direction and communicates with the first positioning hole; the first positioning hole and the second positioning hole are used for rotatably penetrating a rotating shaft of the motor rotor; and/or, the fourth positioning piece comprises a plurality of end cover positioning columns, and the end cover positioning columns extend along the second direction and are used for supporting and positioning the motor end cover.

12. The motor assembling apparatus according to claim 11, wherein the first positioning hole and the second positioning hole are adapted to be rotatably penetrated by a rotation shaft of a motor rotor of any one of the two motors; and/or, a part of the end cover positioning columns can support and position the motor end cover of one motor in the double motors, and another part of the end cover positioning columns can support and position the motor end cover of the other motor in the double motors.

13. The motor assembling apparatus according to claim 10, further comprising a locking mechanism provided to the frame, the locking mechanism being operable to lock and position a rotation shaft of the motor rotor when the rotor loading mechanism is in the assembling position.

14. The motor pack apparatus according to claim 13, wherein the locking mechanism includes a first locking portion and a second locking portion;

15. The motor-mounting apparatus according to claim 14, wherein the clamping mechanism includes a second driving portion, a clamping seat, and a plurality of clamping pieces, the plurality of clamping pieces are provided to the clamping seat and are used for clamping or releasing the motor housing or the thermal jacket assembly, the second driving portion is provided to the frame and is connected to the clamping seat, and the second driving portion is capable of driving the clamping seat to move in the second direction;

16. The motor pack apparatus according to claim 15, wherein the first locking portion further includes a guide sleeve extending in the second direction and having a relief groove extending in the second direction;

17. The motor pack apparatus as claimed in claim 1, wherein the frame includes a first bracket and a second bracket connected to each other;

18. The motor assembling apparatus according to claim 1, further comprising a heat radiation module disposed on the frame, wherein the heat radiation module is configured to radiate heat from the heat-jacketed motor housing and motor stator.

19. A motor assembling method, characterized in that the motor assembling method adopts the motor assembling equipment according to any one of the above claims 1-18, comprising:

the clamping mechanism moves in the second direction to clamp the motor shell;

the shell feeding mechanism moves to the heating position;