CN219393081U - Magnetizing machine for motor rotor - Google Patents

Abstract

The utility model discloses a motor rotor magnetizing apparatus. The motor rotor magnetizing machine comprises a frame, a magnetizing assembly and a rotor fixing assembly; the magnetizing assembly is movably arranged on the frame and comprises a magnetizing piece, and the magnetizing piece is provided with a magnetizing area which is annularly arranged; the rotor fixing component is movably arranged on the frame and comprises a first fixing structure and a second fixing structure which are oppositely arranged, the first fixing structure and the second fixing structure are suitable for being respectively fixed at two ends of the shaft body along the axial direction of the shaft body, the first fixing structure and the second fixing structure are provided with movable strokes which are close to each other and far away from each other, and the first fixing structure and the second fixing structure move relative to the frame, so that the rotor can be conveyed into the magnetizing area and removed from the magnetizing area. The technical scheme provided by the utility model ensures that the motor rotor magnetizing machine can be suitable for rotor components with different sizes, and has wider application range and more convenient use.

Description

Magnetizing machine for motor rotor

Technical Field

The utility model relates to the technical field of motor manufacturing, in particular to a motor rotor magnetizing apparatus.

Background

The motor rotor magnetizing machine is characterized in that a rotor is placed in a magnetizing coil through an electrified magnetizing piece or a magnetizing coil, the magnetizing coil is charged with direct-current high-voltage, a strong magnetic field is generated in the coil by current pulses, and the rotor placed in the coil is permanently magnetized by the magnetic field, so that the rotor is magnetized. The traditional motor rotor magnetizing machine can only magnetize the rotor with fixed size, and when the size of the rotor changes, a new motor rotor magnetizing machine is needed to magnetize, so that the magnetizing cost is high.

Disclosure of Invention

Therefore, the technical problem to be solved by the utility model is that the traditional motor rotor magnetizing machine can only magnetize the rotor with fixed size, the application range is small, and the magnetizing cost is high.

In order to solve the technical problems, the utility model provides a motor rotor magnetizing apparatus, which is suitable for magnetizing a rotor assembly, wherein the rotor assembly comprises a shaft body and a rotor sleeved outside the shaft body, and the motor rotor magnetizing apparatus comprises:

a frame;

the magnetizing assembly is movably arranged on the rack and comprises a magnetizing piece, and the magnetizing piece is provided with a magnetizing area which is annularly arranged;

the rotor fixing assembly is movably arranged on the frame and comprises a first fixing structure and a second fixing structure which are oppositely arranged, the first fixing structure and the second fixing structure are suitable for being fixed at two ends of the shaft body along the axial direction of the shaft body respectively, the first fixing structure and the second fixing structure are provided with movable strokes which are close to each other and far away from each other, and the first fixing structure and the second fixing structure move relative to the frame, so that the rotor can be conveyed into the magnetizing area and removed from the magnetizing area.

Optionally, the first fixing structure includes a first driving cylinder, and the first driving cylinder is arranged on the frame and is suitable for being connected with one end of the shaft body;

the second fixing structure comprises a fixing rod and a second driving air cylinder connected with the fixing rod, the fixing rod is movably arranged on the frame and is opposite to the first driving air cylinder along the up-down direction of the frame, and one end of the fixing rod is suitable for being connected with the other end of the shaft body; the second driving cylinder is used for driving the fixing rod to move along the up-down direction of the frame so as to be close to and far away from the first driving cylinder.

Optionally, the frame has a place platform, be equipped with the installation department on the place platform, the installation department is suitable for being fixed in the rotor subassembly on the place platform, first actuating cylinder with the dead lever is located respectively place platform along the both sides of upper and lower direction.

Optionally, the installation department is including locating the mounting hole on the place platform and bulge locate a plurality of location protruding of drill way week side of mounting hole, the mounting hole is suitable for the confession axis body to wear to establish wherein, the location protruding is suitable for with the location recess on the rotor and peg graft the cooperation.

Optionally, the rotor fixing assembly further comprises a transmission member connected with the first driving cylinder, one end of the transmission member is connected with the first driving cylinder, and the other end of the transmission member is suitable for being connected with the shaft body.

Optionally, the rotor fixing assembly further comprises a clamping structure, and the clamping structure is arranged at the bottom of the placement platform and is suitable for clamping and fixing the shaft body.

Optionally, the clamping structure is provided as a finger cylinder.

Optionally, the magnetizing assembly includes:

the fixed plate is movably arranged on the frame and is positioned above the placement platform, and the magnetizing piece is arranged at the bottom of the fixed plate;

and the third driving air cylinder is connected with the fixed plate and used for driving the fixed plate to move along the up-down direction of the frame.

Optionally, the motor rotor magnetizer further comprises a limiting structure, the limiting structure is used for being abutted to the fixing plate, a limiting part is arranged on the limiting structure, a plurality of matching parts are arranged on the frame, the matching parts are arranged at intervals along the up-down direction of the frame, and the limiting part is matched with the matching parts respectively so as to fix the limiting structure at different heights of the frame.

Optionally, the limiting structure includes:

the limiting plate comprises a first limiting hole arranged on the limiting plate, and the matching part comprises a second limiting hole arranged on the frame;

the limiting ejector rod is arranged on the limiting plate and is abutted against the bottom of the fixed plate;

the connecting piece is arranged in the first limiting hole and the second limiting hole in a penetrating way so as to connect the limiting plate and the frame; and/or the number of the groups of groups,

the limiting structure is provided with two sets, and the two sets of limiting structures are respectively abutted to two ends of the fixing plate.

The technical scheme provided by the utility model has the following advantages:

the utility model provides a motor rotor magnetizing machine, which comprises a frame, a magnetizing component and a rotor fixing component, wherein the magnetizing component is movably arranged on the frame and comprises a magnetizing piece, the magnetizing piece is provided with a magnetizing area which is annularly arranged, and the rotor is arranged in the magnetizing area, so that the rotor can be magnetized; and the rotor fixing assembly comprises a first fixing structure and a second fixing structure, and can jointly fix the two ends of the shaft body through the first fixing structure and the second fixing structure, so that the rotor is fixed in a magnetizing area, the first fixing structure and the second fixing structure have movable strokes which are close to each other and far away from each other, the clamping distance between the first fixing structure and the second fixing structure can be adjusted, and therefore the rotor assemblies with different sizes can be limited and fixed in the magnetizing area, and the motor rotor magnetizing machine can be suitable for rotor assemblies with different sizes, and is wider in application range and more convenient to use.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of an embodiment of a motor rotor magnetizer according to the present utility model;

FIG. 2 is a schematic view of the magnetizing assembly and the rotor mounting assembly of FIG. 1;

FIG. 3 is a schematic view of the magnetizing assembly and the rotor mounting assembly of FIG. 2 from another perspective;

fig. 4 is an enlarged exploded view of the spacing structure shown in fig. 3.

Reference numerals illustrate:

100-a motor rotor magnetizer; 1-a frame; 11-placing a platform; 111-mounting part; 1111-mounting holes; 1112-positioning a protrusion; 12-mating part; 121-a second limiting hole; 2-magnetizing assembly; 21-magnetizing member; 22-a fixed plate; 23-a third driving cylinder; 3-a rotor securing assembly; 31-a second securing structure; 311-fixing rod; 312-a second drive cylinder; 32-a clamping structure; 321-finger cylinder; 4-a limiting structure; 41-limiting plates; 411-limit part; 4111—a first limiting aperture; 42-limiting ejector rod; 200-rotor assembly; 210-a shaft body; 220-rotor.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. The utility model will be described in detail hereinafter with reference to the drawings in conjunction with embodiments. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.

In the present utility model, unless otherwise indicated, terms of orientation such as "upper, lower, top, bottom" are used generally with respect to the orientation shown in the drawings or with respect to the component itself in the vertical, upright or gravitational direction; also, for ease of understanding and description, "inner and outer" refers to inner and outer relative to the profile of each component itself, but the above-mentioned orientation terms are not intended to limit the present utility model.

The utility model provides a motor rotor magnetizing apparatus 100, the motor rotor magnetizing apparatus 100 is suitable for magnetizing a rotor assembly 200, the rotor assembly 200 comprises a shaft body 210 and a rotor 220 sleeved outside the shaft body 210, and when magnetizing, the shaft body 210 is fixed, so that the rotor 220 is placed in a magnetizing area to magnetize the rotor 220.

Specifically, referring to fig. 1 and 2, the motor rotor magnetizing apparatus 100 includes a frame 1, a magnetizing assembly 2, and a rotor fixing assembly 3, wherein the magnetizing assembly 2 is movably disposed on the frame 1, the magnetizing assembly 2 includes a magnetizing member 21, and the magnetizing member 21 has a magnetizing area disposed in a ring shape, so that the rotor 220 can be uniformly magnetized in the magnetizing area; the rotor fixing assembly 3 is movably disposed on the frame 1, the rotor fixing assembly 3 includes a first fixing structure and a second fixing structure 31 which are disposed opposite to each other, the first fixing structure (not shown in the drawing) and the second fixing structure 31 are adapted to be fixed at two ends of the shaft 210 along the axial direction thereof, and the first fixing structure and the second fixing structure 31 have moving strokes of approaching each other and moving away from each other, and the first fixing structure and the second fixing structure 31 move relative to the frame 1, so that the rotor 220 can be conveyed into and removed from the magnetizing area, thereby realizing automatic magnetizing of the rotor 220. And the first fixed knot constructs and the second fixed knot constructs 31 have the activity stroke that is close to each other and keeps away from each other for the centre gripping distance between first fixed knot constructs and the second fixed knot constructs 31 can be adjusted, thereby can be with the spacing fixed in the region that magnetizes of the rotor subassembly 200 of equidimension not, make motor rotor magnetizer 100 adaptable to the rotor subassembly 200 of equidimension not, application scope is wider, and it is more convenient to use.

Preferably, the first fixing structure comprises a first driving cylinder, and the first driving cylinder is arranged on the frame 1 and is suitable for being connected with one end of the shaft body 210; the second fixing structure 31 comprises a fixing rod 311 and a second driving cylinder 312 connected with the fixing rod 311, the fixing rod 311 is movably arranged on the frame 1, the fixing rod 311 and the first driving cylinder are oppositely arranged along the up-down direction of the frame 1, one end of the fixing rod 311 is suitable for being connected with the other end of the shaft body 210, the second driving cylinder 312 is used for driving the fixing rod 311 to move along the up-down direction of the frame 1, so that the fixing rod 311 can be close to and far away from the first driving cylinder, the distance between the fixing rod 311 and the first driving cylinder is adjusted, the shaft bodies 210 with different lengths are fixed, and therefore the motor rotor magnetizing machine 100 can magnetize the rotors 220 with different sizes corresponding to the shaft bodies 210 with different lengths, and the magnetizing capacity is stronger.

Further, as shown in fig. 2 and 3, a placement platform 11 is disposed on the frame 1, an installation portion 111 is disposed on the placement platform 11, the installation portion 111 is adapted to fix the rotor assembly 200 on the placement platform 11, so as to perform preliminary positioning on the rotor assembly 200, and the first driving cylinder and the fixing rod 311 are respectively disposed on two sides of the placement platform 11 along the up-down direction, and further, the first driving cylinder and the fixing rod 311 are respectively abutted to two ends of the shaft body 210 of the rotor assembly 200, so that the position of the rotor 220 is further adjusted, so that the rotor 220 can be better disposed in the magnetizing area.

Since the end portion of the rotor 220 is generally provided with a positioning groove, preferably, as shown in fig. 3, the mounting portion 111 includes a mounting hole 1111 formed in the placement platform 11, and a plurality of positioning protrusions 1112 protruding from a peripheral side of an orifice of the mounting hole 1111, the mounting hole 1111 is formed to penetrate the placement platform 11 along an up-down direction of the frame 1, and the positioning protrusions 1112 are formed to correspond to the positioning grooves one by one, so that when the rotor assembly 200 is placed on the placement platform 11, the rotor assembly 200 can be positioned through the mounting hole 1111 and the positioning protrusions 1112, so that the rotor assembly 200 is not easy to shake on the placement platform 11, and further alignment with the shaft 210 of the rotor assembly 200 is facilitated through the first driving cylinder and the fixing rod 311.

In addition, in order to facilitate the alignment between the first driving cylinder and the shaft body 210, the rotor fixing assembly 3 further includes a transmission member connected to the first driving cylinder, one end of the transmission member is connected to the first driving cylinder, and the other end of the transmission member is adapted to be connected to the shaft body 210, so that the transmission member is driven to move by the first driving cylinder, so that the transmission member can be aligned with the shaft body 210, and after the transmission member is connected to the shaft body 210, the transmission member is driven to move along the up-down direction of the frame 1 by the first driving cylinder, so as to drive the rotor assembly 200 to move along the up-down direction of the frame 1, so that the rotor 220 can enter the magnetizing area, or the rotor 220 can move out of the magnetizing area after magnetizing.

Further, the rotor fixing assembly 3 further includes a clamping structure 32, where the clamping structure 32 is disposed at the bottom of the placement platform 11 and is used to clamp the fixing shaft 210, so that the rotor 220 is kept in a fixed state in the magnetizing area, so as to ensure a better magnetizing effect.

Preferably, the clamping structure 32 may be configured as a finger cylinder 321, and when the first driving cylinder drives the rotor assembly 200 to move into position, i.e. the rotor 220 is placed in the magnetizing area, the finger cylinder 321 may clamp the outer side of the shaft body 210, so as to fix the shaft body 210, so that the rotor 220 is not easy to rotate during magnetizing; after magnetizing, the finger cylinder 321 can release the shaft 210, so that the rotor 220 moves out of the magnetizing area by the combined action of the first driving cylinder and the second driving cylinder 312, so that the rotor assembly 200 can be disassembled for magnetizing the next rotor 220.

As shown in fig. 2 and 3, for the magnetizing assembly 2, except for the magnetizing assembly 21, the magnetizing assembly further comprises a fixing plate 22 and a third driving cylinder 23, the fixing plate 22 is movably arranged on the frame 1 and is located above the placement platform 11, the magnetizing assembly 21 is arranged at the bottom of the fixing plate 22, the magnetizing assembly 21 is annularly arranged and can be formed by encircling the magnetizing coil, the third driving cylinder 23 is connected with the fixing plate 22 and is used for driving the fixing plate 22 to move along the up-down direction of the frame 1, so that the magnetizing assembly 21 is driven to move along the up-down direction of the frame 1, the rotor 220 is arranged in the magnetizing area through the movement of the magnetizing assembly 21, and therefore the magnetizing range is larger, and the size range of the rotor 220 capable of magnetizing is also larger.

In this embodiment, the electronic rotor 220 magnetizer further includes a limiting structure 4, where the limiting structure 4 is used to abut against the fixing plate 22 to limit the movement of the fixing plate 22, a limiting portion 411 is disposed on the limiting structure 4, a plurality of mating portions 12 are disposed on the frame 1, and the mating portions 12 are disposed along the up-down direction of the frame 1 at intervals, and the limiting portion 411 and the mating portions 12 are mated respectively, so that the limiting structure 4 can be fixed at different heights of the frame 1, and the magnetizing component 21 can be located at different heights, so that the adjustment is more convenient.

Preferably, as shown in fig. 3 and 4, the limiting structure 4 includes a limiting plate 41, a limiting ejector rod 42 and a connecting piece, the limiting portion 411 includes a first limiting hole 4111 formed on the limiting plate 41, the mating portion 12 includes a second limiting hole 121 formed on the frame 1, and the connecting piece can be a screw or a bolt, and is inserted into the first limiting hole 4111 and the second limiting hole 121 through the connecting piece, so as to connect the limiting plate 41 and the frame 1; the limiting ejector rod 42 is arranged on the limiting plate 41, the limiting ejector rod 42 extends along the up-down direction of the frame 1, the bottom of the limiting ejector rod 42 is connected with the limiting plate 41, and the top of the limiting ejector rod 42 is used for being abutted with the bottom of the fixing plate 22, so that the fixing plate 22 is limited and fixed. The two limiting ejector rods 42 can be arranged, the two limiting ejector rods 42 are arranged at intervals along the front-back direction of the frame 1, and the two limiting ejector rods 42 are abutted, so that the abutting is more reliable.

Furthermore, two sets of limiting structures 4 can be arranged, and the two sets of limiting structures 4 are respectively abutted against two ends of the fixing plate 22 along the left-right direction of the frame 1, so that the fixing plate 22 is more stable in magnetizing.

Also, as shown in fig. 4, a reference number may be provided on the frame 1 to correspond to different magnetizing rotor assemblies 200. For example, marks such as a primary rotor, a secondary rotor, a tertiary rotor and the like can be arranged on the outer side of the frame 1, at least one second limiting hole 121 is correspondingly arranged at the corresponding mark, and the limiting plate 41 can be fixed at different heights by connecting the first limiting hole 4111 on the limiting plate 41 with the second limiting holes 121 at different marks, so that the magnetizing pieces 21 can be positioned at different heights to magnetize the rotors 220 such as the primary rotor, the secondary rotor, the tertiary rotor and the like respectively, so that the magnetizing adjustment is more convenient.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. Based on the embodiments of the present utility model, those skilled in the art may make other different changes or modifications without making any creative effort, which shall fall within the protection scope of the present utility model.

Claims (10)

1. The utility model provides a motor rotor magnetizer, is suitable for magnetizing rotor subassembly, and rotor subassembly includes the axis body, and the rotor of cover outside locating the axis body, its characterized in that, motor rotor magnetizer includes:

a frame;

the magnetizing assembly is movably arranged on the rack and comprises a magnetizing piece, and the magnetizing piece is provided with a magnetizing area which is annularly arranged;

the rotor fixing assembly is movably arranged on the frame and comprises a first fixing structure and a second fixing structure which are oppositely arranged, the first fixing structure and the second fixing structure are suitable for being fixed at two ends of the shaft body along the axial direction of the shaft body respectively, the first fixing structure and the second fixing structure are provided with movable strokes which are close to each other and far away from each other, and the first fixing structure and the second fixing structure move relative to the frame, so that the rotor can be conveyed into the magnetizing area and removed from the magnetizing area.

2. The electric motor rotor magnetizer as set forth in claim 1, wherein the first fixing structure includes a first driving cylinder provided on the frame and adapted to be connected with one end of the shaft;

the second fixing structure comprises a fixing rod and a second driving air cylinder connected with the fixing rod, the fixing rod is movably arranged on the frame and is opposite to the first driving air cylinder along the up-down direction of the frame, and one end of the fixing rod is suitable for being connected with the other end of the shaft body; the second driving cylinder is used for driving the fixing rod to move along the up-down direction of the frame so as to be close to and far away from the first driving cylinder.

3. The motor rotor magnetizing apparatus of claim 2, wherein the frame has a placement platform, the placement platform is provided with a mounting portion, the mounting portion is adapted to fix the rotor assembly on the placement platform, and the first driving cylinder and the fixing rod are respectively disposed on two sides of the placement platform along an up-down direction.

4. A motor rotor magnetizing apparatus according to claim 3, wherein the mounting portion comprises a mounting hole formed in the placement platform and a plurality of positioning protrusions protruding from a peripheral side of the opening of the mounting hole, the mounting hole being adapted to be penetrated by the shaft body, and the positioning protrusions being adapted to be in plug-fit with the positioning grooves of the rotor.

5. The electric motor rotor magnetizer as recited in claim 4, wherein the rotor securing assembly further comprises a transmission member coupled to the first drive cylinder, one end of the transmission member being coupled to the first drive cylinder, the other end of the transmission member being adapted to be coupled to the shaft.

6. A motor rotor magnetizing apparatus according to claim 3, wherein the rotor fixing assembly further comprises a clamping structure provided at the bottom of the placement platform and adapted to clamp and fix the shaft.

7. The electric motor rotor magnetizer as recited in claim 6, wherein said clamping structure is configured as a finger cylinder.

8. A motor rotor magnetizing apparatus according to claim 3, wherein the magnetizing assembly comprises:

the fixed plate is movably arranged on the frame and is positioned above the placement platform, and the magnetizing piece is arranged at the bottom of the fixed plate;

and the third driving air cylinder is connected with the fixed plate and used for driving the fixed plate to move along the up-down direction of the frame.

9. The motor rotor magnetizing apparatus of claim 8, further comprising a limiting structure, wherein the limiting structure is used for being abutted to the fixing plate, a limiting part is arranged on the limiting structure, a plurality of matching parts are arranged on the frame and are arranged at intervals along the up-down direction of the frame, and the limiting part is matched with the matching parts respectively to fix the limiting structure at different heights of the frame.

10. The electric machine rotor magnetizer as set forth in claim 9, wherein the limiting structure includes:

the limiting plate comprises a first limiting hole arranged on the limiting plate, and the matching part comprises a second limiting hole arranged on the frame;

the limiting ejector rod is arranged on the limiting plate and is abutted against the bottom of the fixed plate;

the connecting piece is arranged in the first limiting hole and the second limiting hole in a penetrating way so as to connect the limiting plate and the frame; and/or the number of the groups of groups,

the limiting structure is provided with two sets, and the two sets of limiting structures are respectively abutted to two ends of the fixing plate.