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WO2023179426A1 - 电机装配装置 - Google Patents

电机装配装置 Download PDF

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Publication number
WO2023179426A1
WO2023179426A1 PCT/CN2023/081665 CN2023081665W WO2023179426A1 WO 2023179426 A1 WO2023179426 A1 WO 2023179426A1 CN 2023081665 W CN2023081665 W CN 2023081665W WO 2023179426 A1 WO2023179426 A1 WO 2023179426A1
Authority
WO
WIPO (PCT)
Prior art keywords
connection
rotor shaft
bearing
motor assembly
assembly device
Prior art date
Application number
PCT/CN2023/081665
Other languages
English (en)
French (fr)
Inventor
李文斌
Original Assignee
北京车和家汽车科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 北京车和家汽车科技有限公司 filed Critical 北京车和家汽车科技有限公司
Priority to US18/850,359 priority Critical patent/US20250219516A1/en
Priority to EP23773674.9A priority patent/EP4503405A4/en
Publication of WO2023179426A1 publication Critical patent/WO2023179426A1/zh

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/14—Casings; Enclosures; Supports
    • H02K15/144—Casings; Enclosures; Supports of shafts, bearings or supports therefor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/40—Assembling dynamo-electric machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2215/00—Specific aspects not provided for in other groups of this subclass relating to methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines

Definitions

  • the present disclosure relates to the technical field of motor assembly, and in particular, to a motor assembly device.
  • the assembly method of the bearings, rotor shaft and casing of the motor is as follows: the bearings are first assembled with the rotor shaft to form the rotor assembly, and then the bearings of the rotor assembly are assembled with the bearing holes of the casing to complete the assembly of the motor.
  • the present disclosure provides a motor assembly device.
  • the present disclosure provides a motor assembly device, a lifting mechanism, a pressure mechanism, a pressure head mechanism, an assembly station and a control mechanism; the pressure mechanism is located on one side of the assembly station, the lifting mechanism and the pressure head The mechanism is located on the other side of the assembly station, and the pressure mechanism, the lifting mechanism and the pressure head mechanism are all electrically connected to the control mechanism; the pressure mechanism includes a pressure mechanism body and a pressure mechanism connected to the pressure head mechanism.
  • a resisting portion is provided on one side of the lifting mechanism; a clamping portion is provided on the side of the lifting mechanism facing the assembly station, and the clamping portion can move toward the press head mechanism under the control of the control mechanism. Move away from the assembly station.
  • the motor assembly device further includes a rotor shaft, wherein the rotor shaft is connected to the clamping part; the lifting mechanism is provided above the assembly station, and the The lifting mechanism is used to clamp the rotor shaft through the clamping part, so that the clamping part drives the rotor shaft to move in a direction close to the bearing and connects with the bearing inner ring under the control of the control mechanism. Fit; the resisting portion of the pressure head mechanism is used to abut against the bearing inner ring under the action of the control mechanism when the rotor shaft moves toward the bearing and cooperates with the bearing inner ring. the top of.
  • the lifting mechanism further includes a connection block connected to the clamping part, and the connection block is detachably connected to the rotor shaft of the motor.
  • the clamping part includes a first clamp body and a second clamp body, one end of the first clamp body and one end of the second clamp body are connected; the first clamp body The other end of the first clamp body is attached to the second clamp body to clamp the connection block, or the other end of the first clamp body is separated from the second clamp body to release the connection block.
  • a first connection part is formed on the connection block, and the rotor shaft is connected to the first connection part.
  • a second connection part is formed at a position corresponding to the connection part, and the connection block is connected to the rotor shaft through the cooperation of the first connection part and the second connection part.
  • the first connection part is a first connection hole
  • the second connection part is a second connection hole
  • fasteners are provided in the first connection hole and the second connection hole.
  • the hole realizes the detachable connection between the rotor shaft and the connecting block.
  • the first connection part is a snap-on protrusion
  • the second connection part is a snap-fitting slot that snaps into place with the snap-on protrusion.
  • the cooperation of the clamping groove realizes the detachable connection between the rotor shaft and the connecting block.
  • the first connecting portion includes a connecting thread formed on an outer wall of the connecting portion, and the second connecting portion includes a threaded hole that cooperates with the connecting thread.
  • the first connection part includes a clamping groove formed on the outer wall of the connecting block
  • the second connection part includes a clamping block that is clamped with the clamping slot
  • the connecting block includes a connecting head and a connecting rod portion located on a side of the connecting head close to the assembly station, and the connecting head is connected to the clamping portion.
  • the connecting thread is provided on the outer wall of the connecting rod part.
  • the outer diameter of the connecting head is larger than the outer diameter of the connecting rod part.
  • the connecting head part and the connecting rod part are integrally formed.
  • the resisting part includes a first resisting part provided on the top of the lifting mechanism, and a second resisting part and a third resisting part provided on both sides of the first resisting part. Hold the Ministry.
  • the first resisting part, the second resisting part and the third resisting part are integrally formed.
  • the second resisting portion and the third resisting portion are located on the top of the bearing inner ring and correspond to the position of the bearing inner ring, so as to rotate the rotor shaft toward the bearing. When moving and mating with the bearing inner ring, it abuts against the top of the bearing inner ring.
  • the present disclosure provides a motor assembly device, which includes a lifting mechanism, a pressure mechanism, a pressure head mechanism, a control mechanism and an assembly station.
  • the pressure mechanism is located on one side of the assembly station, and the lifting mechanism and the pressure head mechanism are located on the other side of the assembly station. side, and the pressure mechanism, lifting mechanism and pressure head mechanism are all electrically connected to the control mechanism.
  • the pressure mechanism includes a pressure mechanism body and a push portion for contacting the outer ring of the bearing. The push portion can be pushed toward the assembly station relative to the pressure mechanism body under the control of the control mechanism; the pressure head mechanism faces the assembly station.
  • One side is provided with a resisting part for contacting the inner ring of the bearing; the side of the lifting mechanism facing the assembly station is provided with a clamping part for connecting with the rotor shaft, and the clamping part can be relative to the pressure head under the control of the control mechanism
  • the mechanism moves away from the assembly station. That is to say, when the bearing outer ring is assembled with the casing, force can be applied to the bearing outer ring through the pushing part of the pressure mechanism, thereby press-fitting the bearing into the bearing hole of the casing on the assembly station.
  • the bearing The inner ring is not stressed; when the bearing inner ring is assembled with the rotor shaft, the lifting mechanism can be used to drive the rotor shaft away from the assembly station to install the rotor shaft in the bearing inner ring, and the pressure head mechanism is used to resist The outer ring of the bearing is in contact with the inner ring of the bearing, thereby overcoming the force when the rotor shaft and the inner ring of the bearing are assembled. At this time, the outer ring of the bearing is not stressed. That is to say, during the entire installation process, there is no axial relative force between the bearing inner ring and the bearing outer ring, so the damage to the bearing and its service life can be avoided to a certain extent.
  • Figure 1 is a schematic structural diagram of a motor assembly device according to an embodiment of the present disclosure
  • FIG. 2 is a schematic structural diagram of the connection block of the motor assembly device according to the embodiment of the present disclosure.
  • this embodiment provides a motor assembly device, which includes a lifting mechanism 1, a pressure mechanism, a pressure head mechanism 2, a control mechanism and an assembly station.
  • the pressure mechanism is located on one side of the assembly station.
  • the mechanism 1 and the pressure head mechanism 2 are located on the other side of the assembly station, and the pressure mechanism, the lifting mechanism 1 and the pressure head mechanism 2 are all electrically connected to the control mechanism.
  • the pressure mechanism 2 includes a pressure mechanism body and a push portion for contacting the bearing outer ring 41 .
  • the push portion can be pushed toward the assembly station relative to the pressure mechanism body under the control of the control mechanism.
  • the pressing head mechanism 2 is provided with a resisting portion for abutting the bearing inner ring 42 on the side facing the assembly station; the lifting mechanism 1 is provided with a clamping portion 11 for connecting with the rotor shaft 5 on the side facing the assembly station.
  • the taking part 11 can move in a direction away from the assembly station relative to the press head mechanism 2 under the control of the control mechanism.
  • the assembly process includes the following steps.
  • force is exerted on the bearing outer ring 41 through the pushing part of the pressure mechanism, so that the bearing 4 is press-fitted into the bearing hole 31 of the casing 3 on the assembly station.
  • the bearing inner ring 42 is not stressed; when the bearing inner ring 42 is assembled with the rotor shaft 5, the lifting mechanism 1 drives the rotor shaft 5 to move in a direction away from the assembly station so that the rotor shaft 5 is installed in the bearing inner ring 42.
  • the resisting part of the pressure head mechanism 2 abuts the bearing inner ring 42, thereby overcoming the force when the rotor shaft 5 and the bearing inner ring 42 are assembled.
  • the bearing outer ring 41 is not stressed. That is, during the entire installation process, there is no relative force in the axial direction between the bearing inner ring 42 and the bearing outer ring 41. Therefore, damage to the bearing 4 that affects its service life can be avoided to a certain extent.
  • the implementation of the motor assembly device includes the following steps.
  • the pushing portion of the pressure mechanism can abut against the top of the bearing outer ring 41 of the bearing 4 of the motor, and apply an axial force to the bearing outer ring 41 under the control of the control mechanism, so as to Make bearing 4 facing
  • the casing 3 located near the assembly station is moved in the direction and installed in the bearing hole 31 of the casing 3 to form a casing bearing assembly.
  • the casing 3 when assembling the casing 3 and the bearing 4, the casing 3 can be placed on the assembly station first, and the pushing part of the pressure mechanism abuts on the bearing outer ring 41 of the bearing 4, and on the control mechanism The bearing 4 is pressed under control, so that the bearing 4 is pressed into the bearing hole 31 of the casing 3, and the assembly of the casing 3 and the bearing 4 is completed.
  • the bearing 4 of the bearing housing assembly and the rotor shaft 5 are assembled in place.
  • the assembly structure and process of the bearing 4 and the rotor shaft 5 of the bearing housing assembly are as follows: the bearing housing assembly is placed on the assembly station as a whole at this time, the indenter mechanism 2 is located above the assembly station and the indenter The resisting part of the mechanism is pressed on the bearing inner ring 42 of the bearing housing assembly.
  • the lifting mechanism 1 obtains the clamping part 11 to connect with the rotor shaft 5 of the motor and clamps the rotor shaft 5 upward under the control of the control mechanism. Move and press fit into the bearing inner ring 42 of the bearing housing assembly to complete the assembly of the motor.
  • the pressing mechanism can be a commonly used press, etc., which is selected based on actual needs.
  • the lifting mechanism 1 is provided above the assembly station.
  • the lifting mechanism 1 is used to clamp the rotor shaft 5 of the motor through the clamping part 11, so that the clamping part 11 drives the rotor shaft 5 toward the bearing 4 under the control of the control mechanism. direction and cooperates with the bearing inner ring 42 of the bearing housing assembly;
  • the resisting portion of the pressure head mechanism 2 is used to abut under the action of the control mechanism when the rotor shaft 5 moves toward the bearing 4 and cooperates with the bearing inner ring 42 at the top of the bearing inner ring 42.
  • the lifting mechanism 1 includes a lifting body and a clamping part 11 for clamping the rotor shaft 5 .
  • the control mechanism controls the clamping part 11 to drive the rotor shaft 5 to move toward the bearing 4 .
  • the specific moving direction toward the bearing 4 is as shown in Fig.
  • a connecting block 6 can also be provided, through which the connecting block 6 can be connected to the rotor shaft 5.
  • the clamping part 11 clamps the connecting block 6 , thereby moving the rotor shaft 5 towards the bearing 4 by clamping the connecting block 6 to drive the rotor shaft 5 to move towards the bearing 4 and be assembled in the bearing inner ring 42 .
  • the specific connection structure of the clamping part 11 and the connecting block 6 can be: the clamping part 11 includes a first clamping body 111 and a second clamping body 112, and one end of the first clamping body 111 is connected to one end of the second clamping body 112. The other ends of the first clamp body 111 and the second clamp body 112 can move toward each other to clamp the connecting block 6 , or move away from each other to release the connecting block 6 .
  • connection structure between the connecting block 6 and the rotor shaft 5 can be: a first connecting part is formed on the connecting block 6, a second connecting part is formed on the rotor shaft 5 at a position corresponding to the first connecting part, and the connecting block 6 passes through the first connecting part.
  • the coupling of the connecting part and the second connecting part is connected with the rotor shaft 5 , so that after the rotor shaft 5 is assembled in place, the connecting block 6 can be disassembled.
  • the first connecting part includes connecting threads formed on the outer wall of the connecting part
  • the second connecting part includes threaded holes 51 that cooperate with the connecting threads. That is to say, the top end of the rotor shaft 5 is provided with an inner hole, and the inner hole may specifically be a threaded hole 51 that meshes with the connecting thread.
  • the connecting block 6 includes a connecting head 61 and a connecting rod portion 62 that can be integrally formed with the connecting head 61.
  • the outer contour size of the connecting head 61 is larger than the outer diameter of the connecting rod portion 62. This allows the clamping part 11 to easily clamp the connecting head 61 , and the connecting thread provided on the outer wall of the connecting rod part 62 engages with the threaded hole 51 .
  • the first connection part may also be a first connection hole
  • the second connection part may be a second connection hole
  • the fasteners are provided in the first connection hole and the second connection hole to realize the rotor shaft. 5 detachable connection with connecting block 6.
  • the first connection part may also be a snap-in protrusion
  • the second connection part may be a snap-fitting slot that snaps into place with the snap-in protrusion.
  • the resisting part of the pressing head mechanism 2 includes a first resisting part 21 provided on the top of the lifting mechanism 1 and a second resisting part 22 and a third resisting part provided on both sides of the first resisting part 21 .
  • the second resisting portion 22 and the third resisting portion 23 are located on the top of the bearing inner ring 42 and correspond to the position of the bearing inner ring 42, so that when the rotor shaft 5 moves toward the bearing 4 and is in contact with the bearing inner ring 42 When mated, it abuts against the top of the bearing inner ring 42, thereby overcoming the force on the bearing inner ring 42, thereby ensuring that the bearing outer ring 41 is not stressed. That is, there is no relative force in the axial direction between the bearing inner ring 42 and the bearing outer ring 41, so damage to the bearing 4 and affecting its service life can be avoided to a certain extent.
  • the first resisting part 21 , the second resisting part 22 and the third resisting part 23 may be integrally formed to save processes and improve the structural strength of the entire press head mechanism 2 .
  • the extending directions of the second resisting portion 22 and the third resisting portion 23 are parallel to the moving direction of the rotor shaft 5 toward the bearing 4 , so that the second resisting portion 22 and the third resisting portion 23 exert force on the bearing 4 .
  • the pressure on the bearing inner ring 42 is an axial force, which prevents radial force from causing pressure on the bearing outer ring 41 and causing damage.
  • this embodiment provides a motor assembly device.
  • the specific assembly process of the motor is: first, install the bearing 4 into the casing 3 . At this time, since the bearing 4 and the bearing hole 31 have a non-clearance fit, a certain pressing force can be provided to the bearing outer ring 41 through the pressure mechanism during installation. During this process, only the bearing outer ring 41 bears the press-fitting force and the bearing inner ring 42 is not stressed, thereby ensuring that the bearing 4 itself will not be damaged in any way during the assembly process.
  • the threaded connecting block 6 is installed at the end 5 of the rotor shaft.
  • the clamping part 11 grabs the connecting block 6 and lifts the rotor shaft 5 upward, so that the rotor shaft 5 is suspended in the air and in a fixed position.
  • the bearing inner ring 42 is about to contact the rotor shaft 5.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Mounting Of Bearings Or Others (AREA)

Abstract

一种电机装配装置，包括起吊机构（1）、压力机构、压头机构（2）、控制机构及装配工位。压力机构包括与轴承外圈（41）抵接的抵推部，抵推部可相对于压力机构本体向装配工位推入；压头机构（2）朝向装配工位的一侧设有抵接轴承内圈（42）的抵持部；起吊机构（1）朝向装配工位的一侧设有与转子轴（5）连接的夹取部（11），夹取部相对于压头机构向远离装配工位的方向移动。电机装配装置可以在电机的轴承、转子轴和机壳的装配过程中避免轴承受损。

Description

电机装配装置
相关申请的交叉引用
本申请基于申请号为202220677290.3、申请日为2022年03月24日的中国专利申请提出，并要求该中国专利申请的优先权，该中国专利申请的全部内容在此引入本申请作为参考。
技术领域
本公开涉及电机装配技术领域，尤其涉及一种电机装配装置。
背景技术
目前，电机的轴承、转子轴和机壳的装配方式为：轴承先与转子轴装配到一起形成转子总成，转子总成的轴承再与机壳的轴承孔合装到位，完成电机的装配。
然而，转子总成的轴承在装入机壳的轴承孔内时，此时轴承孔与转子总成的轴承外圈之间存在装配阻力，使得转子轴与轴承内圈之间产生摩擦阻力，从而会导致轴承的轴承内圈与轴承外圈在轴向上产生相对的作用力，进而容易导致轴承损伤，影响轴承的使用寿命。
发明内容
为了解决上述技术问题，本公开提供了一种电机装配装置。
本公开提供了一种电机装配装置，起吊机构、压力机构、压头机构、装配工位以及控制机构；所述压力机构位于所述装配工位的一侧，所述起吊机构和所述压头机构位于所述装配工位的另一侧，且所述压力机构、所述起吊机构和所述压头机构均与所述控制机构电连接；所述压力机构包括压力机构本体和与所述压力机构本体连接的抵推部，所述抵推部用于在所述控制机构的控制下相对于所述压力机构本体向所述装配工位推入；所述压头机构朝向所述装配工位的一侧设有抵持部；所述起吊机构朝向所述装配工位的一侧设有夹取部，所述夹取部可在所述控制机构的控制下相对于所述压头机构向远离所述装配工位的方向移动。
根据本公开的一种实施例，所述的电机装配装置，还包括转子轴，其中，所述转子轴与所述夹取部连接；所述起吊机构设于所述装配工位上方，所述起吊机构用于通过所述夹取部夹取所述转子轴，以使得所述夹取部在所述控制机构的控制下带动所述转子轴朝向靠近轴承的方向移动并与所述轴承内圈配合；所述压头机构的所述抵持部用于在所述转子轴朝向所述轴承移动并与所述轴承内圈配合时在所述控制机构的作用下抵接在所述轴承内圈的顶部。
根据本公开的一种实施例，所述起吊机构还包括与所述夹取部连接的连接块，所述连接块与电机的转子轴可拆卸连接。
根据本公开的一种实施例，所述夹取部包括第一夹体和第二夹体，所述第一夹体的一端和所述第二夹体的一端连接；所述第一夹体的另一端和所述第二夹体之间贴合以夹紧所述连接块，或所述第一夹体的另一端和所述第二夹体之间分离以释放所述连接块。
根据本公开的一种实施例，所述连接块上形成有第一连接部，所述转子轴上与所述第一 连接部对应的位置形成有第二连接部，所述连接块通过所述第一连接部和第二连接部的配合与所述转子轴连接。
根据本公开的一种实施例，所述第一连接部为第一连接孔，所述第二连接部为第二连接孔，紧固件设于所述第一连接孔和所述第二连接孔内实现转子轴与所述连接块的可拆卸连接。
根据本公开的一种实施例，所述第一连接部为卡接凸起，所述第二连接部为与所述卡接凸起卡接配合的卡槽，通过所述卡接凸起和所述卡槽的配合实现转子轴与所述连接块的可拆卸连接。
根据本公开的一种实施例，所述第一连接部包括形成在所述连接部的外壁上的连接螺纹，所述第二连接部包括与所述连接螺纹配合的螺纹孔。
根据本公开的一种实施例，所述第一连接部包括形成在所述连接块的外壁上的卡槽，所述第二连接部包括与所述卡槽卡接的卡块。
根据本公开的一种实施例，所述连接块包括连接头部以及位于所述连接头部的靠近所述装配工位一侧的连接杆部，所述连接头部与所述夹取部连接，所述连接螺纹设于所述连接杆部的外壁上。
根据本公开的一种实施例，所述连接头部的外径大于所述连接杆部的外径。
根据本公开的一种实施例，所述连接头部与所述连接杆部一体成型。
根据本公开的一种实施例，所述抵持部包括设于所述起吊机构顶部的第一抵持部以及设于所述第一抵持部两侧的第二抵持部和第三抵持部。
根据本公开的一种实施例，所述第一抵持部、所述第二抵持部和所述第三抵持部一体成型。
根据本公开的一种实施例，所述第二抵持部和所述第三抵持部位于所述轴承内圈的顶部且与所述轴承内圈的位置相对应，以在转子轴朝向轴承移动并与所述轴承内圈配合时抵接在所述轴承内圈的顶部。
本公开提供一种电机装配装置，包括起吊机构、压力机构、压头机构、控制机构以及装配工位，压力机构位于装配工位的一侧，起吊机构和压头机构位于装配工位的另一侧，且压力机构、起吊机构和压头机构均与控制机构电连接。压力机构包括压力机构本体和用于与轴承外圈抵接的抵推部，抵推部可在控制机构的控制下相对于压力机构本体向装配工位推入；压头机构朝向装配工位的一侧设有用于抵接轴承内圈的抵持部；起吊机构朝向装配工位的一侧设有用于与转子轴连接的夹取部，夹取部可在控制机构的控制下相对于压头机构向远离装配工位的方向移动。也就是说，轴承外圈与机壳装配时，可以通过压力机构的抵推部向轴承外圈施加作用力，从而将轴承压装到装配工位上的机壳的轴承孔内，此时轴承内圈不受力；轴承内圈与转子轴装配时，可以通过起吊机构带动转子轴朝向远离装配工位的方向移动从而将转子轴装设在轴承内圈中，并通过压头机构的抵持部抵接轴承内圈，从而克服转子轴与轴承内圈装配时的作用力，此时轴承外圈不受力。即在整个安装过程中，轴承内圈和轴承外圈之间始终不存在轴向上的相对作用力，因此可以在一定程度上避免轴承受损影响使用寿命。
附图说明
此处的附图被并入说明书中并构成本说明书的一部分，示出了符合本公开的实施例，并与说明书一起用于解释本公开的原理。
为了更清楚地说明本公开实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，对于本领域普通技术人员而言，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1为本公开实施例所述电机装配装置的结构示意图；
图2为本公开实施例所述电机装配装置的连接块的结构示意图。
附图标记：
1、起吊机构；11、夹取部；111、第一夹体；112、第二夹体；2、压头机构；21、第一
抵持部；22、第二抵持部；23、第三抵持部；3、机壳；31、轴承孔；4、轴承；41、轴承外圈；42、轴承内圈；5、转子轴；51、螺纹孔；6、连接块；61、连接头部；62、连接杆部。
具体实施方式
为了能够更清楚地理解本公开的上述目的、特征和优点，下面将对本公开的方案进行进一步描述。需要说明的是，在不冲突的情况下，本公开的实施例及实施例中的特征可以相互组合。
在下面的描述中阐述了很多具体细节以便于充分理解本公开，但本公开还可以采用其他不同于在此描述的方式来实施；显然，说明书中的实施例只是本公开的一部分实施例，而不是全部的实施例。
参照图1和图2所示，本实施例提供一种电机装配装置，包括起吊机构1、压力机构、压头机构2、控制机构以及装配工位，压力机构位于装配工位的一侧，起吊机构1和压头机构2位于装配工位的另一侧，且压力机构、起吊机构1和压头机构2均与控制机构电连接。
其中，压力机构2包括压力机构本体和用于与轴承外圈41抵接的抵推部，抵推部可在控制机构的控制下相对于压力机构本体向装配工位推入。
压头机构2朝向装配工位的一侧设有用于抵接轴承内圈42的抵持部；起吊机构1朝向装配工位的一侧设有用于与转子轴5连接的夹取部11，夹取部11可在控制机构的控制下相对于压头机构2向远离装配工位的方向移动。
装配过程包括以下步骤。在轴承外圈41与机壳3装配时，通过压力机构的抵推部向轴承外圈41施加作用力，从而将轴承4压装到装配工位上的机壳3的轴承孔31内，此时轴承内圈42不受力；轴承内圈42与转子轴5装配时，通过起吊机构1带动转子轴5朝向远离装配工位的方向移动从而将转子轴5装设在轴承内圈42中，并通过压头机构2的抵持部抵接轴承内圈42，从而克服转子轴5与轴承内圈42装配时的作用力，此时轴承外圈41不受力。即在整个安装过程中，轴承内圈42和轴承外圈41之间始终不存在轴向上的相对作用力，因此可以在一定程度上避免轴承4受损影响使用寿命。
电机装配装置的实现方式包括以下步骤，压力机构的抵推部可以抵接在电机的轴承4的轴承外圈41的顶部，并在控制机构的控制下向轴承外圈41施加轴向力，以使轴承4朝向靠 近位于装配工位上的机壳3的方向移动并安装在机壳3的轴承孔31内形成机壳轴承总成。也就是说，在装配机壳3和轴承4时，可以首先将机壳3放置在装配工位上，压力机构的抵推部抵接在轴承4的轴承外圈41上，并在控制机构的控制下压动轴承4，从而将轴承4压装在机壳3的轴承孔31内，完成机壳3和轴承4的装配。
然后，机壳3和轴承4装配完成以后，再将轴承壳体组件的轴承4与转子轴5装配到位。具体的，轴承壳体组件的轴承4与转子轴5的装配结构和过程为：轴承壳体组件此时作为一个整体放置在装配工位上，压头机构2位于装配工位的上方并且压头机构的抵持部压设在轴承壳体组件的轴承内圈42上，与此同时起吊机构1得到夹取部11与电机的转子轴5连接并在控制机构的控制下夹取转子轴5向上移动从而压装在轴承壳体组件的轴承内圈42中，以此完成电机的装配。
在一些实施例中，压力机构可以为常用的压力机等，具体根据实际需要选定。
其中，起吊机构1设于装配工位上方，起吊机构1用于通过夹取部11夹取电机的转子轴5，以使得夹取部11在控制机构的控制下带动转子轴5朝向靠近轴承4的方向移动并与轴承壳体组件的轴承内圈42配合；压头机构2的抵持部用于在转子轴5朝向轴承4移动并与轴承内圈42配合时在控制机构的作用下抵接在轴承内圈42的顶部。
具体实现时，起吊机构1包括起吊本体以及用于夹取转子轴5的夹取部11，控制机构控制夹取部11带动转子轴5朝向轴承4移动，具体的朝向轴承4移动方向即为图1中所示的z方向。对于起吊本体的具体结构和实现原理可以参照现有技术中的起吊设备的结构和原理，本实施例对此不做具体限定。
具体实现时，参照图1和图2所示，当夹取部11不便伸入到机壳3内夹取到转子轴5时，还可以设置连接块6，通过连接块6与转子轴5可拆卸连接，夹取部11夹取连接块6，从而实现通过夹取连接块6朝向轴承4移动以带动转子轴5朝向轴承4移动并装配在轴承内圈42中。
对于夹取部11和连接块6的具体连接结构可以为：夹取部11包括第一夹体111和第二夹体112，第一夹体111的一端和第二夹体112的一端连接，第一夹体111的另一端和第二夹体112的另一端可朝向靠近彼此的方向移动以夹紧连接块6，或朝向远离彼此的方向移动以释放连接块6。
对于连接块6和转子轴5的连接结构可以为：连接块6上形成有第一连接部，转子轴5上与第一连接部对应的位置形成有第二连接部，连接块6通过第一连接部和第二连接部的配合与转子轴5连接，从而当将转子轴5装配到位后，可以拆卸掉连接块6。
示例性的，第一连接部包括形成在连接部的外壁上的连接螺纹，第二连接部包括与连接螺纹配合的螺纹孔51。也就是说，转子轴5的顶端设置有内孔，该内孔具体可以为与连接螺纹啮合的螺纹孔51。具体实现时，参照图2所示，连接块6包括连接头部61以及可以与连接头部61一体成型的连接杆部62，连接头部61的外轮廓尺寸大于连接杆部62的外径，使得夹取部11可以便于夹取连接头部61，而连接杆部62的外壁上设置的连接螺纹与螺纹孔51啮合。
示例性的，在其他实现方式中，第一连接部也可以为第一连接孔，第二连接部为第二连接孔，紧固件设于第一连接孔和第二连接孔内实现转子轴5与连接块6的可拆卸连接。或者 第一连接部也可以为卡接凸起，第二连接部为与卡接凸起卡接配合的卡槽，通过卡接凸起和卡槽的配合实现转子轴5与连接块6的可拆卸连接。
参照图1所示，压头机构2的抵持部包括设于起吊机构1顶部的第一抵持部21以及设于第一抵持部21两侧的第二抵持部22和第三抵持部23；第二抵持部22和第三抵持部23位于轴承内圈42的顶部且与轴承内圈42的位置相对应，以在转子轴5朝向轴承4移动并与轴承内圈42配合时抵接在轴承内圈42的顶部，从而克服轴承内圈42受到的作用力，以此确保轴承外圈41不受力。即轴承内圈42和轴承外圈41之间不存在轴向上的相对作用力，因此可以在一定程度上避免轴承4受损影响使用寿命。
具体实现时，可以设置第一抵持部21、第二抵持部22和第三抵持部23一体成型，以节省工艺且提高整个压头机构2的结构强度。
具体实现时，第二抵持部22和第三抵持部23的延伸方向均平行于转子轴5的朝向轴承4移动方向，从而使得第二抵持部22和第三抵持部23施加给轴承内圈42的压力为轴向力，避免产生径向力对轴承外圈41造成压力导致损伤。
综上，本实施例提供一种电机装配装置，其对于电机的装配过程具体为：首先，将轴承4装入机壳3内。此时，由于轴承4与轴承孔31非间隙配合，装入时可以通过压力机构向轴承外圈41提供一定的压装力。在此过程中，仅轴承外圈41承受压装力而轴承内圈42不受力，从而保证装配过程中轴承4本身不会有任何损伤。
然后，在电机定转子合箱前，先在转子轴5端装入带螺纹的连接块6。定转子合箱到连接块6凸出机壳3后，夹取部11抓取连接块6并向上提起转子轴5，使转子轴5悬空并处于固定位置。继续合箱到轴承内圈42即将与转子轴5接触，通过压头机构2抵住轴承内圈42，并通过起吊机构1将转子轴5向上提起至与轴承4配合，使得轴承4与转子轴5合装到位同时完成电机定转子的合箱。最后锁紧机壳3上的固定螺栓，完成电机总成的装配。整个装配过程中可以完全避免轴承4本身受作用力而导致损伤及影响寿命等风险。
需要说明的是，在本文中，诸如“第一”和“第二”等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。
以上所述仅是本公开的具体实施方式，使本领域技术人员能够理解或实现本公开。对这些实施例的多种修改对本领域的技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本公开的精神或范围的情况下，在其它实施例中实现。因此，本公开将不会被限制于本文所述的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。

Claims (15)

  1. 一种电机装配装置，包括起吊机构、压力机构、压头机构、装配工位以及控制机构；
    所述压力机构位于所述装配工位的一侧，所述起吊机构和所述压头机构位于所述装配工位的另一侧，且所述压力机构、所述起吊机构和所述压头机构均与所述控制机构电连接；
    所述压力机构包括压力机构本体和与所述压力机构本体连接的抵推部，所述抵推部用于在所述控制机构的控制下相对于所述压力机构本体向所述装配工位推入；
    所述压头机构朝向所述装配工位的一侧设有抵持部；
    所述起吊机构朝向所述装配工位的一侧设有夹取部，所述夹取部可在所述控制机构的控制下相对于所述压头机构向远离所述装配工位的方向移动。
  2. 根据权利要求1所述的电机装配装置，还包括转子轴，其中，所述转子轴与所述夹取部连接；所述起吊机构设于所述装配工位上方，所述起吊机构用于通过所述夹取部夹取所述转子轴，以使得所述夹取部在所述控制机构的控制下带动所述转子轴朝向靠近轴承的方向移动并与所述轴承内圈配合；所述压头机构的所述抵持部用于在所述转子轴朝向所述轴承移动并与所述轴承内圈配合时在所述控制机构的作用下抵接在所述轴承内圈的顶部。
  3. 根据权利要求1所述的电机装配装置，其中，所述起吊机构还包括与所述夹取部连接的连接块，所述连接块与电机的转子轴可拆卸连接。
  4. 根据权利要求3所述的电机装配装置，其中，所述夹取部包括第一夹体和第二夹体，所述第一夹体的一端和所述第二夹体的一端连接；所述第一夹体的另一端和所述第二夹体的另一端之间贴合以夹紧所述连接块，或所述第一夹体的另一端和所述第二夹体的另一端之间分离以释放所述连接块。
  5. 根据权利要求3所述的电机装配装置，其中，所述连接块上形成有第一连接部，所述转子轴上与所述第一连接部对应的位置形成有第二连接部，所述连接块通过所述第一连接部和第二连接部的配合与所述转子轴连接。
  6. 根据权利要求5所述的电机装配装置，其中，所述第一连接部为第一连接孔，所述第二连接部为第二连接孔，紧固件设于所述第一连接孔和所述第二连接孔内实现转子轴与所述连接块的可拆卸连接。
  7. 根据权利要求5所述的电机装配装置，其中，所述第一连接部为卡接凸起，所述第二连接部为与所述卡接凸起卡接配合的卡槽，通过所述卡接凸起和所述卡槽的配合实现转子轴与所述连接块的可拆卸连接。
  8. 根据权利要求5所述的电机装配装置，其中，所述第一连接部包括形成在所述连接块的外壁上的连接螺纹，所述第二连接部包括与所述连接螺纹配合的螺纹孔。
  9. 根据权利要求5所述的电机装配装置，其中，所述第一连接部包括形成在所述连接块的外壁上的卡槽，所述第二连接部包括与所述卡槽卡接的卡块。
  10. 根据权利要求8所述的电机装配装置，其中，所述连接块包括连接头部以及位于所述连接头部的靠近所述装配工位一侧的连接杆部，所述连接螺纹设于所述连接杆部的外壁上。
  11. 根据权利要求10所述的电机装配装置，其中，所述连接头部的外径大于所述连接杆部的外径。
  12. 根据权利要求10所述的电机装配装置，其中，所述连接头部与所述连接杆部一体成型。
  13. 根据权利要求1至12中任一项所述的电机装配装置，其中，所述抵持部包括设于所述起吊机构顶部的第一抵持部以及分设于所述第一抵持部两侧的第二抵持部和第三抵持部。
  14. 根据权利要求13所述的电机装配装置，其中，所述第一抵持部、所述第二抵持部和所述第三抵持部一体成型。
  15. 根据权利要求13所述的电机装配装置，其中，所述第二抵持部和所述第三抵持部位于所述轴承内圈的顶部且与所述轴承内圈的位置相对应，以在转子轴朝向轴承移动并与所述轴承内圈配合时抵接在所述轴承内圈的顶部。
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