CN210693722U - Assembly fixture for rotor magnetic steel of axial flux motor - Google Patents

Assembly fixture for rotor magnetic steel of axial flux motor Download PDF

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Publication number
CN210693722U
CN210693722U CN201922099839.6U CN201922099839U CN210693722U CN 210693722 U CN210693722 U CN 210693722U CN 201922099839 U CN201922099839 U CN 201922099839U CN 210693722 U CN210693722 U CN 210693722U
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magnetic steel
rotor
guide groove
cover plate
axial flux
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王孝伟
陈磊
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Guangzhou University
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Guangzhou University
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Abstract

The assembly tool comprises a magnetic steel guide groove; the magnetic steel guide groove body is of a cylindrical structure, a plurality of guide strips parallel to the axis are arranged on the body, and the guide strips extend inwards from the inner wall of the body along the radial direction; the inner walls between two adjacent conducting bars and the two adjacent conducting bars on the body form a U-shaped guide groove channel, and the shape of the guide groove channel is the same as the outer contour of the rotor magnetic steel. This assembly fixture can install a plurality of rotor magnet steels simultaneously, has improved work efficiency. Meanwhile, the magnetic steel guide groove can also avoid the problem of difficult assembly caused by the acting force between the rotor magnetic steels, and the safety in the assembly process is further improved.

Description

Assembly fixture for rotor magnetic steel of axial flux motor
Technical Field
The utility model belongs to the technical field of electric motor rotor magnet steel tool equipment and specifically relates to an axial flux electric motor rotor magnet steel's assembly fixture.
Background
With the rise of electric automobiles in China in recent years, motors are widely used as main parts of the electric automobiles, wherein rotor magnetic steel of a high-power axial flux motor is flat magnetic steel with strong magnetic force. The axial flux structure motor is short in axial direction and large in radial size, magnetic steel of a traditional axial flux motor is generally arranged on a rotor, and the magnetic steel is bonded on the surface of a rotor disc to form a rotor assembly component. In the process of using the traditional installation method, the strong acting force between the magnetic steel and the magnetic steel causes difficult installation, and even can cause the magnetic steel to be damaged, personnel are injured and the like.
SUMMERY OF THE UTILITY MODEL
To the technical problem who exists among the prior art, the utility model aims at: the assembling tool for the rotor magnetic steel of the axial flux motor is simple in structure and convenient to install.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an assembly method of axial flux motor rotor magnetic steel comprises the following steps: s1: embedding the magnetic steel guide groove into the rotor main body, and realizing positioning by matching a positioning lug of the magnetic steel guide groove with a positioning groove of the rotor main body, so that a guide groove channel of the magnetic steel guide groove is superposed with a position of the rotor main body where the rotor magnetic steel is to be installed; s2: the rotor magnetic steel is pushed into the rotor body along the channel of the magnetic steel guide groove; s3: and taking down the magnetic steel guide groove to finish assembly.
Preferably, the assembly of the embedded rotor magnetic steel comprises the following steps: s1: a rotor lower cover plate is arranged on the rotor main body; s2: embedding the magnetic steel guide groove into the rotor main body, and matching and positioning the magnetic steel guide groove and the positioning lug through the positioning lug and the positioning groove to ensure that a guide groove channel of the magnetic steel guide groove is superposed with a magnetic steel groove of the rotor main body; s3: the rotor magnetic steel is pushed into and installed in the magnetic steel groove of the rotor body along the channel of the magnetic steel guide groove; s4: mounting the cover plate inner ring on the rotor main body, clamping the cover plate inner ring with the rotor magnetic steel and pressing the rotor magnetic steel tightly; s5: and taking down the magnetic steel guide groove, installing the cover plate outer ring on the rotor body, and clamping and pressing the rotor magnetic steel with the rotor magnetic steel.
Preferably, the assembly of the surface-mounted rotor magnetic steel comprises the following steps: s1: embedding the magnetic steel guide groove into the rotor main body, and realizing positioning by matching a positioning lug of the magnetic steel guide groove with a positioning groove of the rotor main body, so that a guide groove channel of the magnetic steel guide groove is superposed with a position of the rotor main body where the rotor magnetic steel is to be installed; s2: coating viscose on the pasting surface of the rotor magnetic steel; s3: the rotor magnetic steel is pushed into and adhered to the surface of the rotor main body along the guide groove channel of the magnetic steel guide groove, and is adhered to the rotor main body through the adhesive; s4: and taking down the magnetic steel guide groove to finish assembly.
An assembly tool for rotor magnetic steel of an axial flux motor comprises a magnetic steel guide groove; the magnetic steel guide groove body is of a cylindrical structure, a plurality of guide strips parallel to the axis are arranged on the body, and the guide strips extend inwards from the inner wall of the body along the radial direction; the inner walls between two adjacent conducting bars and the two adjacent conducting bars on the body form a U-shaped guide groove channel, and the shape of the guide groove channel is the same as the outer contour of the rotor magnetic steel.
As a preferred, the one end of laminating with rotor body on the magnet steel guide slot is equipped with two at least location lugs, the location lug cooperates with rotor body's positioning groove.
Preferably, an inwards-sunk stepped platform II is arranged on the inner wall of one end of the magnetic steel guide groove; and in the mounting state, the rotor body is embedded into the stepped platform II and clamped with the magnetic steel guide groove.
Preferably, the extended ends of the conducting bars are located between the outer ring inner diameter and the inner ring outer diameter of the rotor body; the number of the channels of the guide groove is the same as that of the magnetic steel grooves on the rotor body.
Preferably, the assembly tool further comprises a magnetic steel cover plate, the magnetic steel cover plate comprises a cover plate outer ring and a cover plate inner ring which are separated from each other, and the cover plate outer ring and the cover plate inner ring are respectively installed on the rotor main body and clamped with the rotor magnetic steel; the inner diameter and the outer diameter of the cover plate inner ring are respectively equal to those of the inner ring of the rotor main body correspondingly, and a pressing part I extending outwards is arranged on the outer side of the cover plate inner ring in the circumferential direction; the inner diameter and the outer diameter of the outer ring of the cover plate are respectively equal to the inner diameter and the outer diameter of the outer ring of the rotor body, and a pressing part II extending inwards is arranged on the inner side of the outer ring of the cover plate in the circumferential direction; the pressing portion I and the pressing portion II are respectively clamped with the step platform I of the rotor magnetic steel.
Preferably, in the installed state, the extended ends of the pressing portions i and ii are in contact.
Preferably, the magnetic steel guide groove is of an integrated structure, and the magnetic steel guide groove and the magnetic steel cover plate are both made of non-magnetic materials.
The principle of the utility model is that: the characteristics that the magnetic steel guide groove is not magnetic are utilized to install a plurality of rotor magnetic steels simultaneously, and the magnetic steel guide groove can also isolate the rotor magnetic steels to avoid the mutual influence of the acting force between the rotor magnetic steels to cause the installation difficulty.
In general, the utility model has the advantages as follows:
the utility model discloses axial flux motor rotor magnet steel's assembly fixture simple structure, simple to operate, assembly method is safe feasible. The magnetic steel guide groove is designed in an integrated mode, a plurality of rotor magnetic steels can be installed at the same time, and the working efficiency is greatly improved. Meanwhile, the magnetic steel guide groove can also avoid the problem of difficult assembly caused by the acting force between the rotor magnetic steels, thereby further improving the safety in the assembly process.
Drawings
Fig. 1 is a view of an assembly fixture in embodiment 1.
Fig. 2 is a schematic view of rotor magnetic steel in embodiment 1.
Fig. 3 is a sectional view of the assembly tool in example 1.
Fig. 4 is a bottom view of fig. 3.
Fig. 5 is a schematic view of a rotor body in embodiment 1.
Fig. 6 is a schematic view of a magnetic steel guide groove in the embodiment.
Fig. 7 is a schematic view of a lower cover plate of a rotor in embodiment 1.
Fig. 8 is a top view of fig. 7.
Fig. 9 is a schematic view of an inner ring of the magnetic steel cover plate in embodiment 1.
Fig. 10 is a schematic view of an outer ring of a magnetic steel cover plate in embodiment 1.
The reference numbers and corresponding part names in the figures are: 1-rotor body, 2-magnetic steel guide groove, 3-rotor magnetic steel, 4-cover plate inner ring, 5-rotor lower cover plate, 6-cover plate outer ring, 7-positioning projection and 8-positioning groove.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.
Example 1
The embedded rotor of the axial flux motor comprises a rotor main body, rotor magnetic steel and a rotor lower cover plate. The rotor main body is provided with a plurality of magnetic steel grooves which are uniformly distributed in the circumferential direction. And step platforms I which are sunken into the rotor magnetic steel are arranged at the edges of the upper end face and the lower end face of the rotor magnetic steel. The rotor lower cover plate is provided with magnetic steel grooves which are in one-to-one correspondence with the magnetic steel grooves of the rotor main body, and the edge of the inner edge of the magnetic steel groove of the rotor lower cover plate is provided with a boss which extends upwards. During installation, the magnetic steel groove of the rotor main body is sleeved on the outer edge of the boss of the rotor lower cover plate, and the rotor magnetic steel is clamped into the boss of the rotor lower cover plate through the stepped platform I to realize the installation of the rotor magnetic steel and the fixation of the rotor main body. Two positioning grooves are formed in the upper end face of the rotor main body. The rotor lower cover plate is made of non-magnetic material through integral molding.
An assembly tool for embedded rotor magnetic steel of an axial flux motor comprises a magnetic steel guide groove and a magnetic steel cover plate.
The body of magnet steel guide slot is the cylinder structure, is equipped with a plurality of conducting bars parallel with the axis on the body, and the conducting bar radially inwards extends along the drum from the inner wall of body, and the extension end of conducting bar is located between the outer ring internal diameter and the inner ring external diameter of rotor main part. The adjacent two guide bars and the inner wall between the adjacent two guide bars on the body form a U-shaped guide groove channel; the shape of the channel of the guide slot is the same as the outline of the rotor magnetic steel, and the number of the channel of the guide slot is the same as the number of the magnetic steel grooves of the rotor body. The body and the conducting bar of the magnetic steel guide groove are made of non-magnetic materials in an integrated molding mode. And two positioning lugs are arranged on the end face, attached to the rotor body, of the magnetic steel guide groove and matched with the positioning grooves of the rotor body. And an invaginated step platform II is arranged on the inner wall of one end of the magnetic steel guide groove, which is provided with the positioning lug. When the rotor is installed, the rotor body is embedded into the stepped platform II and clamped with the magnetic steel guide groove.
The magnetic steel cover plate comprises a cover plate outer ring and a cover plate inner ring which are separated from each other, the inner diameter and the outer diameter of the cover plate inner ring are respectively equal to the inner diameter and the outer diameter of the inner ring of the rotor body correspondingly, and a pressing part I extending outwards is arranged on the outer side of the cover plate inner ring in the circumferential direction; the inner diameter and the outer diameter of the outer ring of the cover plate are respectively equal to the inner diameter and the outer diameter of the outer ring of the rotor body, and a pressing part II extending inwards is arranged on the inner side of the outer ring of the cover plate in the circumferential direction; the pressing portion I and the pressing portion II are respectively clamped with the step platform I of the rotor magnetic steel. During the installation, the extension end of pressing part I and pressing part II contacts, compresses tightly rotor magnetic steel, prevents that not hard up condition from appearing in rotor magnetic steel after taking off the magnet steel guide slot.
An assembling method of embedded rotor magnetic steel of an axial flux motor comprises the following steps:
s1: the rotor body is sleeved on the outer edge of the boss of the lower cover plate of the rotor through the magnetic steel groove on the rotor body.
S2: the magnetic steel guide groove is embedded into the rotor body, and positioning is realized through the matching of the positioning lug of the magnetic steel guide groove and the positioning groove of the rotor body, so that the guide groove channel of the magnetic steel guide groove is superposed with the magnetic steel groove of the rotor body.
S3: the rotor magnetic steel is pushed into the magnetic steel groove of the rotor body along the guide groove channel of the magnetic steel guide groove, and the rotor magnetic steel is installed on the boss of the rotor lower cover plate through the I clamping of the stepped platform of the rotor magnetic steel.
S4: the inner ring of the cover plate is arranged on the rotor main body, and is clamped with the stepped platform I of the rotor magnetic steel through the pressing part I and presses the rotor magnetic steel;
s5: and taking down the magnetic steel guide groove, installing the outer ring of the cover plate on the rotor body, and clamping and pressing the rotor magnetic steel through the pressing part II and the step platform I of the rotor magnetic steel.
The utility model discloses an axial magnetic flux rotor magnet steel assembly fixture simple structure, simple to operate, assembly method is safe feasible. The magnetic steel guide groove is designed in an integrated mode, a plurality of rotor magnetic steels can be installed at the same time, and the working efficiency is greatly improved. Meanwhile, the magnetic steel guide groove can also avoid the problem of difficult assembly caused by the acting force between the rotor magnetic steels, thereby further improving the safety in the assembly process.
Example 2
The surface-mounted rotor of the axial flux motor comprises a rotor main body and rotor magnetic steel. When the rotor magnetic steel is installed, the rotor magnetic steel is bonded on the surface of the rotor main body through adhesive. Two positioning grooves are formed in the upper end face of the rotor main body.
An assembly fixture for surface-mounted rotor magnetic steel of an axial flux motor comprises a magnetic steel guide groove.
The body of magnet steel guide slot is the cylinder structure, is equipped with a plurality of conducting bars parallel with the axis on the body, and the conducting bar radially inwards extends along the drum from the inner wall of body, and the extension end of conducting bar is located between the outer ring internal diameter and the inner ring external diameter of rotor main part. The adjacent two guide bars and the inner wall between the adjacent two guide bars on the body form a U-shaped guide groove channel; the shape of the channel of the guide slot is the same as the outline of the rotor magnetic steel, and the number of the channel of the guide slot is the same as the number of the magnetic steel grooves of the rotor body. The body and the conducting bar of the magnetic steel guide groove are made of non-magnetic materials in an integrated molding mode. And two positioning lugs are arranged on the end face, attached to the rotor body, of the magnetic steel guide groove and matched with the positioning grooves of the rotor body. And an invaginated step platform II is arranged on the inner wall of one end of the magnetic steel guide groove, which is provided with the positioning lug. When the rotor is installed, the rotor body is embedded into the stepped platform II and clamped with the magnetic steel guide groove.
An assembly method of surface-mounted rotor magnetic steel of an axial flux motor comprises the following steps:
s1: the magnetic steel guide groove is embedded into the rotor body, and positioning is realized through the matching of the positioning lug of the magnetic steel guide groove and the positioning groove of the rotor body, so that the guide groove channel of the magnetic steel guide groove is superposed with the magnetic steel groove of the rotor body.
S2: and coating adhesive on the adhesive surface of the rotor magnetic steel.
S3: and the rotor magnetic steel is pushed into the surface of the rotor body along the guide groove channel of the magnetic steel guide groove and is bonded with the rotor body through viscose.
S4: and taking down the magnetic steel guide groove to finish the assembling process.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims (7)

1. The utility model provides an assembly fixture of axial flux motor rotor magnet steel which characterized in that: comprises a magnetic steel guide groove; the magnetic steel guide groove body is of a cylindrical structure, a plurality of guide strips parallel to the axis are arranged on the body, and the guide strips extend inwards from the inner wall of the body along the radial direction; the inner walls between two adjacent conducting bars and the two adjacent conducting bars on the body form a U-shaped guide groove channel, and the shape of the guide groove channel is the same as the outer contour of the rotor magnetic steel.
2. The assembly fixture for rotor magnetic steel of an axial flux motor according to claim 1, characterized in that: one end of the magnetic steel guide groove, which is attached to the rotor body, is provided with at least two positioning lugs, and the positioning lugs are matched with the positioning grooves of the rotor body.
3. The assembly fixture for rotor magnetic steel of an axial flux motor according to claim 1, characterized in that: an inward stepped platform II is arranged on the inner wall of one end of the magnetic steel guide groove; and in the mounting state, the rotor body is embedded into the stepped platform II and clamped with the magnetic steel guide groove.
4. The assembly fixture for rotor magnetic steel of an axial flux motor according to claim 1, characterized in that: the extending tail end of the conducting bar is positioned between the inner diameter of the outer ring and the outer diameter of the inner ring of the rotor body; the number of the channels of the guide groove is the same as that of the magnetic steel grooves on the rotor body.
5. An assembly fixture for axial flux motor rotor magnetic steel according to any one of claims 1-4, characterized in that: the rotor comprises a rotor body and a rotor magnetic steel, and is characterized by further comprising a magnetic steel cover plate, wherein the magnetic steel cover plate comprises a cover plate outer ring and a cover plate inner ring which are separated from each other, and the cover plate outer ring and the cover plate inner ring are respectively arranged on the rotor body and clamped with the rotor magnetic steel; the inner diameter and the outer diameter of the cover plate inner ring are respectively equal to those of the inner ring of the rotor main body correspondingly, and a pressing part I extending outwards is arranged on the outer side of the cover plate inner ring in the circumferential direction; the inner diameter and the outer diameter of the outer ring of the cover plate are respectively equal to the inner diameter and the outer diameter of the outer ring of the rotor body, and a pressing part II extending inwards is arranged on the inner side of the outer ring of the cover plate in the circumferential direction; the pressing portion I and the pressing portion II are respectively clamped with the step platform I of the rotor magnetic steel.
6. An assembly fixture for rotor magnetic steel of an axial flux motor according to claim 5, characterized in that: when the device is in an installation state, the extending tail ends of the pressing part I and the pressing part II are in contact.
7. An assembly fixture for rotor magnetic steel of an axial flux motor according to claim 5, characterized in that: the magnetic steel guide groove is of an integrated structure, and the magnetic steel guide groove and the magnetic steel cover plate are both made of non-magnetic materials.
CN201922099839.6U 2019-11-29 2019-11-29 Assembly fixture for rotor magnetic steel of axial flux motor Active CN210693722U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922099839.6U CN210693722U (en) 2019-11-29 2019-11-29 Assembly fixture for rotor magnetic steel of axial flux motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922099839.6U CN210693722U (en) 2019-11-29 2019-11-29 Assembly fixture for rotor magnetic steel of axial flux motor

Publications (1)

Publication Number Publication Date
CN210693722U true CN210693722U (en) 2020-06-05

Family

ID=70887717

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922099839.6U Active CN210693722U (en) 2019-11-29 2019-11-29 Assembly fixture for rotor magnetic steel of axial flux motor

Country Status (1)

Country Link
CN (1) CN210693722U (en)

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