Stably-connected motor magnet vane

Abstract

The utility model relates to a stably connected motor magnet vane in the field of magnet vanes, which comprises a plate body made by die casting, a rotating shaft hole for a motor shaft to penetrate through is formed in the middle of the plate body by stamping, a positioning bulge for clamping and positioning is formed on the inner wall of the rotating shaft hole, and a mounting hole for connecting and mounting is formed on the surface of the plate body. A mounting groove communicated with the mounting hole is formed in the back face of the plate body, a clamping groove used for communicating the rotating shaft hole with the mounting groove is formed in the back face of the plate body, a positioning pin hole used for connecting and positioning is formed in the back face of the plate body, and a connecting groove is formed in the back face of the plate body; according to the utility model, the clamping connection stability between the plate body and a motor or other parts can be further improved through the clamping groove arranged on the back surface of the plate body, the installation firmness and stability are enhanced, and the design of the positioning pin hole facilitates accurate positioning and fixation with an external motor fixing piece by using fasteners such as a positioning pin and the like; and the accuracy and the stability of the magnet vane in the mounting process are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of magnetic separation board, concretely relates to motor magnetic separation board of stable connection. BACKGROUND

[0002] Motor magnetic separation board is an indispensable key component in motor manufacturing, its main role is to isolate the magnetic field generated inside the motor, to prevent it from interfering with the equipment and environment around the motor, and at the same time to protect the internal parts of the motor from magnetic field damage. Motor magnetic separation board is widely used in various types of motors, including but not limited to AC motor, DC motor, stepper motor and servo motor, etc. In addition, they are also applied to electromagnetic devices such as transformers, inductors, and high-tech fields such as electric vehicles, wind power generation, smart grid and 5G communication. In complex electromagnetic environment such as medical equipment and precision instruments, motor magnetic separation board plays an irreplaceable role.

[0003] The existing motor magnetic separation board usually adopts strip-shaped design, these magnetic separation boards are welded on the through slot between adjacent low-voltage bushings. The main purpose of this design is to guide the magnetic force line to conduct in the expected direction, so as to minimize the magnetic leakage. Motor magnetic separation board also needs to cooperate with components such as brake disc and main shaft assembly to ensure the effective conduction of magnetic force line and the stable operation of motor.

[0004] However, the existing motor magnetic separation board still has some defects, the motor magnetic separation board needs to be closely connected with other components in the motor to ensure the effective conduction of magnetic force line, however, the existing connection methods such as welding and bolt connection often have the problem of insufficient stability, welding may cause thermal stress concentration, affecting the long-term service life of the magnetic separation board, and the existing bolt connection result setting is relatively simple, the connection of the magnetic separation board is easy to produce looseness, which leads to connection failure, thereby affecting the stability and reliability of the motor magnetic separation board connection, and the structure of the existing magnetic separation board is relatively simple, the contact effect of the connection with the external fixing piece is poor, thereby affecting the performance stability and use effect of the magnetic separation board. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the above defects, providing motor magnetic separation board of stable connection, to solve the technical problem that the result setting of the existing motor magnetic separation board is relatively simple, leading to poor stability and magnetic separation use effect of connection, thereby affecting the use.

[0006] The utility model aims at solving the above defects, providing motor magnetic separation board of stable connection, to solve the technical problem that the result setting of the existing motor magnetic separation board is relatively simple, leading to poor stability and magnetic separation use effect of connection, thereby affecting the use.

[0007] The utility model discloses a motor gap plate of connection stability, including the plate body of die casting, the middle part of plate body is formed with the rotating shaft hole for wearing motor shaft through stamping, and the inner wall of rotating shaft hole is formed with the positioning protrusion for holding positioning, the surface of plate body is equipped with a plurality of installation hole for connecting installation, the back of plate body is equipped with the installation slot with installation hole intercommunication, and the back of plate body is equipped with the holding recess for intercommunication rotating shaft hole and installation slot, and the back of plate body is equipped with the positioning pin hole for connecting positioning, and the back of plate body is equipped with the connecting slot, and the connecting slot is distributed on the back of plate body with rotating shaft hole as the axis of rotation and is equipped with the abutment of arc shape and the connecting part for intercommunication installation slot.

[0008] Further in the above description, the surface of the plate body is provided with a reference hole, the positioning protrusions are provided with two, and the two positioning protrusions are symmetrically distributed on the inner wall of the rotating shaft hole.

[0009] The reference hole is provided to facilitate the alignment and positioning of the plate body and the motor fixing member, improve the convenience of assembly and the stability of connection, and the two positioning protrusions are provided to improve the accuracy and reliability of the butt joint installation.

[0010] Further in the above description, the back of the plate body is provided with a plug-in hole, and a protruding positioning column is connected to the plug-in hole.

[0011] The plug-in hole is provided to connect the detachable positioning column, so that the positioning column is used for positioning and inserting with the external fixing member, further improving the stability of the plate body connection.

[0012] Further in the above description, the installation hole is made of stamping, the installation hole is an oval hole, and the installation holes are equally spaced on the plate body.

[0013] The installation hole is provided to pass through the bolt and connect and install with the external fixing object, so that the positioning column and the positioning pin hole are further provided to further enhance the stability and reliability of the plate body connected and installed by the bolt.

[0014] Further in the above description, the back of the plate body is provided with a measuring part for measuring the die casting wall thickness of the plate body, the measuring part is provided with a plurality of and equally spaced on the back of the plate body, and the measuring part is made of a measuring recess.

[0015] The measuring part is provided to measure and detect the wall thickness of the plate body during die casting, ensure that the wall thickness of the plate body is within the positive and negative deviation value, improve the installation accuracy and stability of the subsequent gap plate, and ensure the use effect of the gap plate.

[0016] Further in the above description, the plate body is made of silicon steel sheet or cast iron die casting, and the plate body is circular or rectangular.

[0017] The utility model discloses an advantageous effect: through the die casting plate body improves the overall structural stability and durability of the magnetic separation board, through the locating protrusion of the pivot hole inner wall can effectively position motor shaft, and then improve the connection stability between the plate body and the external motor fixing piece, make it through the installation hole wear bolt convenient to connect installation of magnetic separation board and motor or other components, through the clamping recess that the plate body back surface set up can further increase the clamping connection stability between the plate body and motor or other components, strengthened the firmness and stability of installation, the design of the positioning pin hole is convenient for using the fastener such as positioning pin and the accurate positioning and fixed of external motor fixing piece, improve the accuracy and stability of magnetic separation board in the installation process, through the connecting part of the arc setting and the intercommunication installation slot can be connected to the external magnetic separation patch, thereby enhancing the connection strength of magnetic separation board and surrounding structure, simultaneously, through the magnetic separation patch of the external magnetic separation patch further ensure the close cooperation between magnetic separation board and motor parts and improve the magnetic separation effect. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the front view angle perspective drawing of this embodiment;

[0019] Figure 2 It is the front view of this embodiment;

[0020] Figure 3 It is Figure 2 The sectional view of A-A;

[0021] Figure 4 It is the rear view angle perspective drawing of this embodiment first direction;

[0022] Figure 5 It is the rear view angle perspective drawing of this embodiment second direction;

[0023] The reference signs in the drawing are respectively: 1-plate body, 2-pivot hole, 3-positioning protrusion, 4-installation hole, 5-installation slot, 6-clamping recess, 7-positioning pin hole, 8-connection slot, 9-sticking part, 10-connection part, 11-reference hole, 12-plug-in hole, 13-positioning column, 14-measuring part. DETAILED DESCRIPTION

[0024] The utility model will be further described in detail below in combination with the drawings and specific embodiment.

[0025] This embodiment, refer to Figures 1-5The specific implementation of the connection stable motor isolation plate, including the plate body 1 made by die casting, the middle part of the plate body 1 is formed by stamping with a rotating shaft hole 2 for penetrating the motor shaft, the inner wall of the rotating shaft hole 2 is formed with a positioning protrusion 3 for clamping positioning, the surface of the plate body 1 is provided with four mounting holes 4 for connecting installation, the back surface of the plate body 1 is provided with a mounting groove 5 in communication with the mounting hole 4, and the back surface of the plate body 1 is provided with a clamping groove 6 for communication between the rotating shaft hole 2 and the mounting groove 5, the back surface of the plate body 1 is provided with a positioning pin hole 7 for connecting positioning, and the back surface of the plate body 1 is provided with a connecting groove 8, the connecting groove 8 is arranged around the back surface of the plate body 1 with the rotating shaft hole 2 as the axis, and the connecting groove 8 includes an arc-shaped fitting part 9 and a connecting part 10 for communication with the mounting groove 5.

[0026] The surface of the plate body 1 is provided with a reference hole 11, the positioning protrusion 3 is provided with two, and the two positioning protrusions 3 are symmetrically distributed on the inner wall of the rotating shaft hole 2. The reference hole 11 is provided to facilitate the alignment and positioning of the plate body 1 and the motor fixing part, improve the convenience of assembly and the stability of connection, and the two positioning protrusions 3 are provided to improve the accuracy and reliability of the butt joint installation.

[0027] The back surface of the plate body 1 is provided with a plug-in hole 12, and the plug-in hole 12 is connected with a protruding positioning column 13. The plug-in hole 12 is provided to connect the detachable positioning column 13, so that the positioning column 13 is used for positioning and inserting with the external fixing part, further improving the stability of the plate body 1 connection.

[0028] The mounting hole 4 is made by stamping, the mounting hole 4 is an oval hole, and the four mounting holes 4 are equally spaced on the plate body 1. The mounting hole 4 is used for penetrating the bolt and connecting with the external fixing object, so that the positioning column 13 and the positioning pin hole 7 are further arranged to further enhance the stability and reliability of the plate body 1 connected by the bolt.

[0029] The back surface of the plate body 1 is provided with a measuring part 14 for measuring the die casting wall thickness of the plate body 1, the measuring part 14 is provided with four and equally spaced on the back surface of the plate body 1, and the measuring part 14 is made of a measuring groove. The measuring part 14 is used for measuring and detecting the wall thickness of the plate body 1 during die casting, ensuring that the wall thickness of the plate body 1 is within the positive and negative deviation value, improving the installation accuracy and stability of the subsequent isolation plate, and ensuring the use effect of the isolation plate.

[0030] In this embodiment, the plate body 1 is made of cast iron by die casting, and the plate body 1 is circularly arranged.

[0031] The specific use principle in the embodiment is that: the iron material is pressed and cast into a circular plate body 1 through a mold, the plate body 1 pressed and cast is beneficial to improve the overall structural stability and durability of the magnetic isolation plate, the plate body 1 is installed on the motor, the positioning protrusion 3 on the inner wall of the rotating shaft hole 2 can effectively position the motor shaft, thereby improving the connection stability between the plate body 1 and the external motor fixing part, so that the plate body 1 is connected and installed with the motor fixing part through the mounting hole 4 passing through the bolt, the clamping groove 6 arranged on the back surface of the plate body 1 can further increase the clamping connection stability between the plate body 1 and the motor or other components, and the installation firmness and stability are enhanced, the two positioning pin holes 7 and the two positioning columns 13 are arranged, so that the external motor fixing part can be accurately positioned and fixed, the accuracy and stability of the magnetic isolation plate assembly connection are improved, the connecting part 10 of the arc-shaped arranged fitting part 9 and the communication mounting groove 5 can be connected with the external magnetic isolation sheet, so as to enhance the connection strength between the magnetic isolation plate and the surrounding structure, at the same time, the magnetic isolation sheet is further connected with the external magnetic isolation sheet, so as to further ensure the close cooperation between the magnetic isolation plate and the motor components and improve the magnetic isolation effect.

[0032] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application is disclosed as above, it is not intended to limit the present application. Any skilled person in the art can make some changes or modifications to the above disclosed technical content without departing from the scope of the present application, and any simple modification, equivalent change and modification of the above embodiment within the scope of the present application are all within the scope of the present application.

Claims

1. A motor flux barrier with improved connection stability, comprising a die-cast plate body, characterized in that: The middle part of the plate body is formed by stamping with a rotating shaft hole for penetrating the motor shaft, the inner wall of the rotating shaft hole is formed with a positioning protrusion for clamping positioning, the surface of the plate body is provided with a plurality of mounting holes for connecting installation, the back surface of the plate body is provided with a mounting groove in communication with the mounting hole, and the back surface of the plate body is provided with a clamping groove for communicating the rotating shaft hole and the mounting groove, the back surface of the plate body is provided with a positioning pin hole for connecting positioning, and the back surface of the plate body is provided with a connecting groove, the connecting groove is provided with a plurality of connecting grooves distributed around the back surface of the plate body with the rotating shaft hole as the axis, and the connecting groove includes an arc-shaped abutting portion and a connecting portion for communicating the mounting groove.

2. The electric machine flux barrier of claim 1, wherein: The surface of the plate body is provided with a reference hole, the positioning protrusion is provided with two, and the two positioning protrusions are symmetrically distributed on the inner wall of the rotating shaft hole.

3. The connection-stable motor field plate according to claim 1, characterized in that: The back surface of the plate body is provided with a plug-in hole, and the plug-in hole is connected with a detachable positioning column.

4. The electric machine flux barrier of claim 1, wherein: The mounting hole is made of stamping, the mounting hole is an oval hole, and the mounting holes are equally spaced on the plate body.

5. The electric machine spacer plate of any one of claims 1-4, wherein: The back surface of the plate body is provided with a measuring portion for measuring the wall thickness of the plate body, the measuring portion is provided with a plurality of measuring grooves and is equally spaced on the back surface of the plate body.

6. The electric machine flux barrier of claim 5, wherein: The plate body is made of silicon steel sheet or cast iron, and the plate body is circular or rectangular.

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