CN217444184U

CN217444184U - Automatic magnetizing device

Info

Publication number: CN217444184U
Application number: CN202221000606.1U
Authority: CN
Inventors: 韩元平; 邓宏林
Original assignee: Hefei Xinhu Canned Motor Pump Co Ltd
Current assignee: Hefei Xinhu Canned Motor Pump Co Ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-09-16
Anticipated expiration: 2032-04-26

Abstract

The utility model belongs to the technical field of permanent magnet motor rotor production and manufacturing, and provides an automatic magnetizing device which is used for magnetizing a rotor component and comprises a bracket component, a first driving component, a second driving component and a magnetizing component, wherein the first driving component and the second driving component are coaxially arranged on the bracket component at intervals of a first preset distance; the output end of the first driving assembly is connected with a positioning assembly, one end of the rotor assembly is arranged at the positioning assembly for positioning, and the first driving assembly and the second driving assembly can tightly push the rotor assembly between the first driving assembly and the second driving assembly; the magnetizing assembly is arranged on the first driving assembly and located at the periphery of the positioning assembly, the first driving assembly drives the positioning assembly to penetrate through the magnetizing assembly to move in a reciprocating mode along the axial direction of the rotor assembly, and the positioning assembly can drive the rotor assembly to magnetize to the magnetizing assembly. The utility model provides an automatic magnetization device can magnetize to the quick auto-induction of electric motor rotor.

Description

Automatic magnetizing device

Technical Field

The utility model belongs to the technical field of permanent-magnet machine rotor manufacturing, especially, relate to an automatic magnetization device.

Background

The existing permanent magnet motor rotor assembly needs to be manually placed into the magnetizing head to be magnetized when being magnetized, and the rotor is difficult to take out due to the fact that the rotor is provided with magnetism and is adsorbed in the magnetizing head, but the existing magnetizing process is only a simple magnetizing head tool, manual magnetizing of the rotor assembly can be achieved, and the automatic induction magnetizing function of the rotor assembly cannot be achieved.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an automatic magnetization device can magnetize to the quick auto-induction of electric motor rotor.

To achieve the purpose, the utility model adopts the following technical proposal:

the automatic magnetizing device is used for magnetizing a rotor assembly and comprises a support assembly, a first driving assembly, a second driving assembly and a magnetizing assembly, wherein the first driving assembly and the second driving assembly are spaced by a first preset distance and are coaxially arranged on the support assembly;

the output end of the first driving assembly is connected with a positioning assembly, one end of the rotor assembly is arranged at the positioning assembly for positioning, and the first driving assembly and the second driving assembly can tightly push the rotor assembly between the first driving assembly and the second driving assembly;

the magnetizing assembly is arranged on the first driving assembly and located at the periphery of the positioning assembly, the first driving assembly drives the positioning assembly to penetrate through the magnetizing assembly to reciprocate along the axial direction of the rotor assembly, and the positioning assembly can drive the rotor assembly to magnetize at the position of the magnetizing assembly.

Preferably, the first drive assembly comprises:

the magnetizing installation assembly is arranged on the support assembly, and the magnetizing assembly is arranged on the magnetizing installation assembly and is positioned above the magnetizing assembly;

the first driving piece is arranged on the magnetizing installation component and is positioned below the magnetizing component, and the output end of the first driving piece is connected to the positioning component;

the first driving piece can drive the positioning assembly to reciprocate relative to the magnetizing assembly.

Preferably, the second drive assembly comprises:

the second driving piece is arranged on the bracket component and is positioned above the first driving piece;

the pressing block is connected to the output end of the second driving piece and configured to abut against one end of the rotor assembly.

The automatic magnetizing device is used for magnetizing the rotor assembly and comprises a support assembly, a first driving assembly, a second driving assembly and a magnetizing assembly, wherein the first driving assembly and the second driving assembly are coaxially arranged at a first preset distance;

the output end of the second driving assembly is simultaneously connected with the magnetizing assembly, the first driving assembly and the second driving assembly tightly push against the rotor assembly, and the magnetizing assembly is sleeved on the periphery of the rotor assembly to magnetize the rotor assembly.

Preferably, the first drive assembly comprises:

the magnetizing installation assembly is arranged on the bracket assembly;

the first driving piece is arranged on the magnetizing installation component and is positioned below the magnetizing installation component, and the output end of the first driving piece is connected to the positioning component;

the first driving piece can drive the positioning assembly and the rotor assembly to reciprocate towards a direction close to or far away from the second driving assembly so as to tightly push or release the rotor assembly with the second driving assembly.

Preferably, the second drive assembly comprises:

the pressing block is connected to the output end of the second driving piece and is configured to abut against one end of the rotor assembly;

the magnetizing assembly is connected to the output end of the second driving piece and located on one side, close to the first driving assembly, of the pressing block, the second driving piece drives the pressing block and the first driving assembly to tightly push against the rotor assembly, and the periphery of the rotor assembly is sleeved with the magnetizing assembly to magnetize the rotor assembly.

Preferably, the bracket assembly includes a bottom plate and a support frame located above the bottom plate, the first driving assembly is disposed on the bottom plate, the second driving assembly is disposed on the support frame, and the second driving assembly is located above the first driving assembly.

Preferably, one end of the pressing block is connected to the second driving piece, and the other end of the pressing block is provided with a pressing groove which is matched with the end of the rotor assembly in size and shape so as to position the rotor assembly.

Preferably, the positioning assembly comprises a positioning sleeve connected to the output end of the first driving assembly, an accommodating groove is formed in the positioning sleeve, and one end of the rotor assembly can extend into the accommodating groove.

Preferably, the automatic magnetizing apparatus further comprises:

a first position sensing assembly disposed on the carriage assembly, the first position sensing assembly configured to detect a position of the first drive assembly;

a second position sensing assembly disposed on the bracket assembly, the second position sensing assembly configured to detect a position of the second driving assembly.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, utilize first drive assembly and second drive assembly top tightly to be located rotor subassembly between the two, make the rotor subassembly can not follow self axial and take place the position change, when both to rotor subassembly positioning process, adjust the position of rotor subassembly to make the periphery of rotor subassembly is located to the subassembly cover that magnetizes, the subassembly that magnetizes is automatic to the rotor subassembly that magnetizes.

Because of first drive assembly can drive locating component along rotor subassembly's axial reciprocating motion, consequently, after the completion of magnetizing, first drive assembly drive locating component moves along rotor subassembly's axis to make the rotor subassembly deviate from the subassembly of magnetizing, later take away the rotor subassembly through manual work or manipulator.

The automatic magnetizing device realizes automatic induction magnetizing of the rotor assembly, and the device is simple in structure, low in manufacturing cost and convenient to install and maintain.

Drawings

Fig. 1 is a schematic structural view of an automatic magnetizing apparatus of the present invention;

fig. 2 is a schematic structural view of a rotor assembly according to the present invention;

fig. 3 is a schematic structural diagram of the positioning assembly of the present invention;

fig. 4 is a schematic structural diagram of the pressing block of the present invention.

Wherein, 1, rotor assembly; 2. a first drive assembly; 21. a magnetizing installation assembly; 211. magnetizing the supporting column; 212. a magnetizing installation plate; 22. a first driving member; 3. a second drive assembly; 31. a second driving member; 32. briquetting; 321. pressing the groove; 4. a positioning assembly; 41. a positioning sleeve; 411. accommodating grooves; 5. a bracket assembly; 51. a support frame; 511. a support pillar; 512. mounting a plate; 52. a base plate; 6. and a magnetizing assembly.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when used, and are only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the indicated device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

Example one

When the existing permanent magnet motor rotor assembly is magnetized, the rotor assembly needs to be manually placed in the magnetizing head for magnetizing, the rotor assembly is difficult to manually take out in the magnetizing head due to magnetism after the magnetizing, the existing magnetizing procedure can only be used for simple magnetizing, manual magnetizing of the rotor assembly can only be realized, and the automatic induction magnetizing function of the rotor assembly cannot be realized.

As shown in fig. 1 to 4, in order to solve the above-mentioned problems, the present embodiment provides an automatic magnetizing apparatus for automatically magnetizing a rotor assembly 1, which includes a bracket assembly 5, a first driving assembly 2 and a second driving assembly 3 coaxially disposed on the bracket assembly 5 at a first predetermined distance, and a magnetizing assembly 6. The output end of the first driving component 2 is connected with a positioning component 4, one end of the rotor component 1 is arranged at the positioning component 4 for positioning, the first driving component 2 and the second driving component 3 can tightly push the rotor component 1 between the first driving component and the second driving component, the magnetizing component 6 is arranged on the first driving component 2 and is arranged at the periphery of the positioning component 4, the first driving component 2 drives the positioning component 4 to pass through the magnetizing component 6 to reciprocate along the axial direction of the rotor component 1, and the positioning component 4 can drive the rotor component 1 to magnetize from the magnetizing component 6.

In this embodiment, the first driving component 2 and the second driving component 3 are used for tightly pushing the rotor component 1 between the two, so that the rotor component 1 cannot axially move along the rotor component 1, when the two drive components position the rotor component 1, the position of the rotor component 1 is adjusted, so that the magnetizing component 6 is sleeved on the periphery of the rotor component 1, and the magnetizing component 6 automatically magnetizes the rotor component 1.

Because of first drive assembly 2 can drive locating component 4 along rotor subassembly 1's axial reciprocating motion, consequently, after the completion of magnetizing, first drive assembly 2 drive locating component 4 moves along rotor subassembly 1's axis to make rotor subassembly 1 deviate from subassembly 6 that magnetizes, later take rotor subassembly 1 away through manual work or manipulator.

The automatic magnetizing device realizes the automatic induction magnetizing of the rotor assembly 1, and the device has the advantages of simple structure, low manufacturing cost and convenience in installation and maintenance.

Preferably, the carriage assembly 5 includes a base plate 52 and a support frame 51 located above the base plate 52, the first driving assembly 2 is disposed on the base plate 52, the second driving assembly 3 is disposed on the support frame 51, and the second driving assembly 3 is located above the first driving assembly 2.

When the rotor assembly 1 needs to be magnetized, the rotor assembly 1 is placed on the positioning assembly 4, and the second driving assembly 3 positioned below the second driving assembly act simultaneously to push the rotor assembly 1 tightly. The second drive assembly 3 is disposed above the first drive assembly 2 to facilitate positioning of the rotor assembly 1 in its axial direction.

Specifically, in this embodiment, the rotor assembly 1 includes a rotor shaft and a rotor disposed thereon, so that after the rotor assembly 1 is placed on the stator assembly, the gravity direction of the rotor assembly is in the same direction as the axial direction of the rotor assembly, which facilitates the positioning of the rotor assembly 1.

Further specifically, for the specific structure of the supporting frame 51, the supporting frame 51 includes a supporting column 511 disposed on the bottom plate 52 and a mounting plate 512 mounted on the supporting column 511, the second driving assembly 3 is mounted on the mounting plate 512, and the supporting column 511 ensures that the mounting plate 512 and the bottom plate 52 are spaced by a second predetermined distance to accommodate the rotor assembly 1.

In other embodiments, the first drive assembly 2 and the second drive assembly 3 can also be arranged horizontally, the first drive assembly 2 and the second drive assembly 3 being arranged coaxially.

Preferably, the first driving assembly 2 includes a magnetizing installation assembly 21 and a first driving member 22, the magnetizing installation assembly 21 is disposed on the bottom plate 52, the magnetizing assembly 6 is disposed on the magnetizing installation assembly 21, the first driving member 22 is installed on the magnetizing installation assembly 21 and located below the magnetizing assembly 6, an output end of the first driving member 22 is connected to the positioning assembly 4, and the first driving member 22 can drive the positioning assembly 4 and the rotor assembly 1 to reciprocate in a direction close to or away from the second driving assembly 3 so as to tightly abut against or loosen the rotor assembly 1 from the second driving assembly 3.

In this embodiment, the magnetizing installation assembly 21 is disposed on the bottom plate 52 to install the magnetizing assembly 6 and the first driving member 22, the positioning assembly 4 can be located inside the magnetizing assembly 6 and can be driven by the first driving member 22 to extend out of the magnetizing assembly 6, and when the rotor assembly 1 is magnetized, the positioning assembly 4 drives the rotor assembly 1 to enter the magnetizing assembly 6 for magnetizing. After the magnetizing is finished, the first driving piece 22 drives the positioning assembly 4 and the rotor assembly 1 to extend out of the magnetizing assembly 6, so that the problem that the rotor assembly 1 is difficult to take out manually after the magnetizing is solved.

Specifically, the magnetizing installation assembly 21 includes a magnetizing support column 211 disposed on the bottom plate 52 and a magnetizing installation plate 212 installed on the magnetizing support column 211, the first driving member 22 is installed on the magnetizing installation plate 212 and located below the magnetizing installation plate 212, and the magnetizing assembly 6 is installed on the magnetizing installation plate 212 and located above the magnetizing installation plate 212.

By adopting the structural forms of the magnetizing support columns 211 and the magnetizing mounting plates 212, the structural mounting strength and the supporting strength of the magnetizing assembly 6 and the first driving piece 22 can be ensured, and meanwhile, the structure is simple and the cost is low.

More specifically, the first driving member 22 is a cylinder, and in other embodiments, it can also be a motor and a transmission assembly connected to an output end of the motor.

Preferably, the second driving assembly 3 includes a second driving member 31 and a pressing block 32, wherein the second driving member 31 is disposed above the supporting frame 51 and above the first driving member 22. The pressing block 32 is connected to the output end of the second driving member 31, and the pressing block 32 is configured to press against one end of the rotor assembly 1.

The second driving member 31 drives the pressing block 32 to press against one end of the rotor assembly 1, and the other end of the rotor assembly 1 is located in the positioning assembly 4, so as to tightly push the rotor assembly 1, and prevent the rotor assembly 1 from changing position during magnetizing. In addition, the structural form that the second driving piece 31 and the output end thereof are connected with the pressing block 32 is adopted, so that the structure is simple, the cost is low, and the assembly and the maintenance are convenient.

More specifically, the second driving element 31 is a cylinder, and in other embodiments, it can also be a motor and a transmission assembly connected to an output end of the motor.

Preferably, one end of the pressing block 32 is connected to the second driving member 31, and the other end is provided with a pressing groove 321, and the pressing groove 321 matches with the size and shape of the end of the rotor assembly 1 to position the rotor assembly 1.

Set up on the briquetting 32 and support the pressure tank 321, rotor subassembly 1's one end with support the cooperation of pressure tank 321, prevent that rotor subassembly 1 from being pushed up tight in-process, the skew appears in the position. The size and shape of the pressing groove 321 are matched with the end of the rotor assembly 1, so that the rotor assembly 1 can be positioned better.

In this embodiment, the pressing groove 321 includes a cylindrical groove and a conical groove connected to the cylindrical groove, and the conical groove is communicated with the outside.

In other embodiments, the specific structural shape of the pressing groove 321 is determined according to the structural shape of the end of the rotor assembly 1.

Preferably, the positioning assembly 4 includes a positioning sleeve 41 connected to the output end of the first driving assembly 2, a receiving groove 411 is provided on the positioning sleeve 41, and one end of the rotor assembly 1 can extend into the receiving groove 411 to axially position the stator assembly. In particular, the positioning sleeve 41 is connected to the output end of the first driver 22.

Preferably, a positioning groove 412 is provided on a side wall of the receiving groove 411, the positioning groove 412 is provided along an axial direction of the rotor assembly 1, and the positioning groove 412 is engaged with a protrusion of the rotor assembly 1.

A positioning groove 412 is formed on a sidewall of the receiving groove 411 to prevent the rotor assembly 1 from rotating in the axial direction, and thus the rotor assembly 1 is positioned.

With respect to the above-mentioned control manner of the positions of the first driving assembly 2 and the second driving assembly 3 during movement, specifically, the automatic magnetizing apparatus further includes a first position sensing assembly disposed on the bracket assembly 5, and the first position sensing assembly is configured to detect the position of the first driving assembly 2. The automatic magnetizing apparatus further includes a second position sensing assembly disposed on the bracket assembly 5, the second position sensing assembly being configured to detect a position of the second driving assembly 3.

When the first driving member 22 of the first driving assembly 2 drives the pressing block 32 to move downwards to be detected by the first position sensing assembly, the first driving member 22 stops moving, thereby indicating that the pressing block 32 tightly pushes the rotor assembly 1 to be in place.

When the second driving member 31 of the second driving assembly 3 drives the positioning assembly 4 to move downwards, so that the rotor assembly 1 is located at the magnetizing assembly 6, the second position sensing assembly detects that the position of the second driving member 31 is in place, and then the rotor assembly 1 starts to be magnetized.

The positions of the first position sensing assembly and the second position sensing assembly are determined comprehensively according to the size of the rotor assembly 1, the stroke of the first driving member 22 and the second driving member 31, and the like.

Specifically, the first position sensing assembly includes a grating sensor disposed on the bracket assembly 5, and a sensing piece mounted on the first driving member 22, wherein the sensing piece moves to the grating sensor, and the grating sensor detects a signal change.

The second position sensing assembly has the same structure as the first position sensing assembly, except that the sensing piece is mounted on the second driving member 31.

When rotor subassembly 1 to not unidimensional magnetizes, the position of adjustment first position response subassembly and second position response subassembly can adapt to the magnetization of the rotor subassembly 1 of different models.

The automatic magnetizing device in the embodiment has the advantages of small part number, simple structure, low cost and convenience in assembly and maintenance.

The working process of the automatic magnetizing device is as follows:

when the rotor assembly 1 needs to be magnetized, the second driving member 31 drives the positioning sleeve 41 to ascend and extend out of the magnetizing assembly 6, the rotor assembly 1 is placed on the positioning sleeve 41 and assembled corresponding to the positioning groove 412, and a control button is pressed to start the device. Then, the second driving member 31 drives the pressing block 32 to move downwards, the first driving member 22 drives the positioning sleeve 41 to move downwards, and when the first position sensing assembly senses that the first driving member 22 moves in place and the second position sensing assembly senses that the second driving member 31 moves in place, the magnetizing assembly 6 starts to magnetize the rotor assembly 1, so that the rotor assembly 1 is magnetized integrally.

Then, the second driving part 31 drives the pressing block 32 to move upwards, the first driving part 22 drives the positioning sleeve 41 to move upwards, and after the rotor assembly 1 is ejected out of the magnetizing assembly 6, the magnetized rotor assembly 1 is transferred away manually or by a manipulator.

Example two

On the basis of the first embodiment, the difference between the first embodiment and the second embodiment is: the installation position of the magnetizing assembly 6 is different.

Specifically, the present embodiment provides an automatic magnetizing apparatus for magnetizing a rotor assembly 1, which includes a bracket assembly 5, a first driving assembly 2 and a second driving assembly 3 coaxially disposed at a first predetermined distance, and a magnetizing assembly 6. The output end of the first driving component 2 is connected with a positioning component 4, one end of the rotor component 1 is arranged at the positioning component 4 for positioning, and the first driving component 2 and the second driving component 3 can tightly push the rotor component 1 between the first driving component 2 and the second driving component; the output end of the second driving component 3 is simultaneously connected with the magnetizing component 6, and when the first driving component 2 and the second driving component 3 tightly push against the rotor component 1, the magnetizing component 6 is sleeved on the periphery of the rotor component 1 to magnetize the rotor component 1.

In this embodiment, the first driving component 2 and the second driving component 3 are used to tightly push the rotor assembly 1 between the two, when the second driving component 3 tightly pushes the rotor assembly 1 in place, the magnetizing component 6 also moves the rotor assembly 1, and at this time, the magnetizing component 6 is sleeved on the periphery of the rotor assembly 1 to magnetize the rotor assembly 1.

After the magnetizing is completed, the second driving assembly 3 moves towards the direction far away from the first driving assembly 2 to loosen the rotor assembly 1, and meanwhile, the magnetizing assembly 6 is driven to be separated from the rotor assembly 1 to take away the rotor assembly 1.

The automatic magnetizing device realizes automatic induction magnetizing of the rotor assembly 1, and the device has the advantages of simple structure, low manufacturing cost and convenience in assembly and maintenance.

Preferably, the first driving assembly 2 includes a magnetizing installation assembly 21 and a first driving member 22, wherein the magnetizing installation assembly 21 is disposed on the bottom plate 52, the first driving member 22 is installed on the magnetizing installation assembly 21 and located below the magnetizing installation assembly 21, and an output end of the first driving member 22 is connected to the positioning assembly 4; the first driving member 22 can drive the positioning assembly 4 and the rotor assembly 1 to move towards or away from the second driving assembly 3, so as to tighten or loosen the rotor assembly 1 with the second driving assembly 3.

In this embodiment, the first driving member 22 is installed below the magnetizing installation assembly 21, and the output end of the first driving member 22 passes through the magnetizing installation assembly 21 and is connected to the positioning assembly 4.

The specific structure of the magnetizing assembly 21 and the connection and position relationship between the first driving member 22 and the magnetizing assembly 21 in this embodiment have been described in the first embodiment, and are not described herein again.

Preferably, the second driving assembly 3 includes a second driving member 31 and a pressing block 32, wherein the second driving member 31 is disposed above the supporting frame 51 and above the first driving member 22; the pressing block 32 is connected to the output end of the second driving member 31, and the pressing block 32 is configured to press against one end of the rotor assembly 1; the magnetizing assembly 6 is also connected to the output end of the second driving member 31 and located below the pressing block 32, the rotor assembly 1 can be sleeved with the magnetizing assembly 6, and when the pressing block 32 and the first driving assembly 2 are driven by the second driving member 31 to tightly push the rotor assembly 1, the periphery of the rotor assembly 1, which is sleeved with the magnetizing assembly 6, magnetizes the rotor assembly 1.

The magnetizing assembly 6 is arranged below the pressing block 32, the magnetizing assembly 6 and the pressing block 32 are spaced at a third preset distance in the axial direction of the rotor assembly 1, the magnetizing assembly 6 can be sleeved on the periphery of the rotor assembly 1, and when the pressing block 32 compresses the rotor assembly 1, the magnetizing assembly 6 is sleeved on the periphery of the rotor assembly 1 so as to magnetize the rotor assembly 1.

The magnetizing assembly 6 in the above embodiment is a ring-shaped magnetizing head.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. An automatic magnetizing device is characterized by being used for magnetizing a rotor assembly (1), and comprises a bracket assembly (5), a first driving assembly (2), a second driving assembly (3) and a magnetizing assembly (6), wherein the first driving assembly and the second driving assembly are separated by a first preset distance and are coaxially arranged on the bracket assembly (5);

the output end of the first driving assembly (2) is connected with a positioning assembly (4), one end of the rotor assembly (1) is arranged at the position of the positioning assembly (4), and the first driving assembly (2) and the second driving assembly (3) can tightly push the rotor assembly (1) between the first driving assembly and the second driving assembly;

the magnetizing assembly (6) is arranged on the first driving assembly (2) and located on the periphery of the positioning assembly (4), the first driving assembly (2) drives the positioning assembly (4) to penetrate through the magnetizing assembly (6) and move along the axial direction of the rotor assembly (1) in a reciprocating mode, and the positioning assembly (4) can drive the rotor assembly (1) to be magnetized at the position of the magnetizing assembly (6).

2. The automatic magnetizing apparatus according to claim 1, wherein the first driving assembly (2) comprises:

the magnetizing installation assembly (21) is arranged on the support assembly (5), and the magnetizing assembly (6) is arranged on the magnetizing installation assembly (21) and is positioned above the magnetizing assembly (6);

the first driving piece (22) is arranged on the magnetizing installation component (21) and is positioned below the magnetizing component (6), and the output end of the first driving piece (22) is connected to the positioning component (4);

the first driving piece (22) can drive the positioning assembly (4) to reciprocate relative to the magnetizing assembly (6).

3. The automatic magnetizing apparatus according to claim 2, wherein the second driving assembly (3) comprises:

the second driving piece (31) is arranged on the bracket component (5) and is positioned above the first driving piece (22);

a pressing block (32) connected to an output end of the second driving member (31), wherein the pressing block (32) is configured to be pressed against one end of the rotor assembly (1).

4. An automatic magnetizing device is characterized by being used for magnetizing a rotor assembly (1), and comprises a bracket assembly (5), a first driving assembly (2), a second driving assembly (3) and a magnetizing assembly (6), wherein the first driving assembly and the second driving assembly are coaxially arranged at a first preset distance;

the output end of the second driving component (3) is connected with the magnetizing component (6) at the same time, the first driving component (2) and the second driving component (3) tightly push the rotor component (1), and the magnetizing component (6) is sleeved on the periphery of the rotor component (1) to magnetize the rotor component (1).

5. The automatic magnetizing apparatus according to claim 4, wherein the first driving assembly (2) comprises:

the magnetizing installation component (21) is arranged on the bracket component (5);

the first driving piece (22) is arranged on the magnetizing installation component (21) and is positioned below the magnetizing installation component (21), and the output end of the first driving piece (22) is connected to the positioning component (4);

the first driving piece (22) can drive the positioning assembly (4) and the rotor assembly (1) to reciprocate towards a direction close to or away from the second driving assembly (3) so as to jack or loosen the rotor assembly (1) with the second driving assembly (3).

6. The automatic magnetizing apparatus according to claim 5, wherein the second driving assembly (3) comprises:

a pressing block (32) connected to the output end of the second driving member (31), wherein the pressing block (32) is configured to be pressed against one end of the rotor assembly (1);

the magnetizing assembly (6) is connected to the output end of the second driving piece (31) and located at one side, close to the first driving assembly (2), of the pressing block (32), the second driving piece (31) drives the pressing block (32) and the first driving assembly (2) to tightly push the rotor assembly (1), and the periphery of the rotor assembly (1) is sleeved with the magnetizing assembly (6) to magnetize the rotor assembly (1).

7. The automatic magnetizing apparatus according to claim 1 or 4, wherein the bracket assembly (5) comprises a bottom plate (52) and a support frame (51) located above the bottom plate (52), the first driving assembly (2) is disposed on the bottom plate (52), the second driving assembly (3) is disposed on the support frame (51), and the second driving assembly (3) is located above the first driving assembly (2).

8. The automatic magnetizing device according to claim 3 or 6, wherein one end of the pressing block (32) is connected to the second driving member (31) and the other end is provided with a pressing groove (321), the pressing groove (321) is matched with the size and shape of the end of the rotor assembly (1) to position the rotor assembly (1).

9. The automatic magnetizing device according to claim 1 or 4, wherein the positioning assembly (4) comprises a positioning sleeve (41) connected to the output end of the first driving assembly (2), a receiving groove (411) is arranged on the positioning sleeve (41), and one end of the rotor assembly (1) can extend into the receiving groove (411).

10. The automatic magnetizing apparatus according to claim 1 or 4, further comprising:

a first position sensing assembly disposed on the carriage assembly (5), the first position sensing assembly configured to detect a position of the first drive assembly (2);

a second position sensing assembly disposed on the carriage assembly (5), the second position sensing assembly configured to detect a position of the second drive assembly (3).