Assembling tool for axial magnetic flux double-rotor motor

Abstract

The invention discloses an axial magnetic flux double-rotor single-stator assembly tool, rotors on two sides are assembled at the same time through the tool, so that magnetic pulling force can be effectively balanced, the problem that assembly is difficult due to large magnetic pulling force is solved, the tool is in the form of a rack, the precision error in installation is effectively reduced, and the tool is simple in structure, convenient to operate and low in cost. The manufacturing process is simple and convenient, the motor assembling thought is clear, and the problems caused by the manufacturing process are effectively reduced.

Description

Technical Field

[0001] The present invention mainly relates to the field of motor manufacturing process assembly, and specifically to an assembly tool for an axial flux dual-rotor motor. Background Art

[0002] A motor is a device that converts electrical energy into mechanical energy. It is widely used in various aspects of civil and industrial applications. Currently, the most commonly used are traditional radial motors, which work by exchanging radial magnetic fields. With the continuous innovation of axial magnetic field motor technology in recent years, its application has gradually become widespread due to its small size, high torque, high density and light weight.

[0003] Axial magnetic field motors are different from traditional radial motors in that the magnetic field of axial magnetic flux motors extends axially, the direction of the air gap flux is also axial, and the stator assembly and rotor are disc-shaped, so they are called disc motors. The characteristics of axial magnetic field motors are mainly the large magnetic pull between the rotor and the stator. The motor structure of existing products accounts for a large proportion of single-rotor double-stator and double-rotor single-stator structures, which are generally called "sandwich" structures. This type of motor is equivalent to integrating two motors inside, so that the magnetic pull on both sides can be balanced through the symmetrical structure, which is easy to install and fix.

[0004] Although axial magnetic field motors have many advantages and broad application prospects, the manufacturing and assembly process based on axial magnetic field motors is a major difficulty, especially for the dual-rotor single-stator structure. Engineers need to consider the feasibility of the installation process and pave the way for the process in structural design. The most common assembly method is to first fix the stator assembly, then install the single-side rotor and then the other side rotor. During the installation process, the magnetic pull of the rotor and stator is large, and the assembly requires the design of tooling to limit the axis. During the installation process, the axial stroke of the rotor assembly must be ensured to accurately control the air gap size. The current assembly method can easily cause the stator and rotor disks to attract and be difficult to separate. The assembly error is large, the assembly efficiency is low, and disassembly is also more troublesome. Summary of the invention

[0005] The main purpose of this invention is to provide an assembly tool for a dual-rotor axial flux motor.

[0006] Technical solution to achieve the purpose of this invention: This time, for an axial dual-rotor motor assembly tool, the rotors on both sides are assembled simultaneously through the tool, which includes: a base plate, a guide rail, a slider, a support base plate, a middle plate, a limit plate 1, a screw assembly, a triangular support plate, a left fixed shaft, a limit plate 2, a right fixed shaft, a left rotor assembly, a stator assembly, a right rotor assembly, and a retaining frame.

[0007] The rotor part is installed on both sides of the assembly tooling, and the stator part is fixed in the middle. The rotors on both sides are assembled towards the middle at the same time by rotating the screw rods on both sides, which can effectively balance the magnetic pulling force on both sides for easy assembly.

[0008] As a specific example, the base plate is made of non-magnetic material. The base plate is rectangular with small rectangles on both sides for making room for the installation of the screw assembly. Threaded holes are opened on both sides of the extended edge for fixing the guide rails. There are two rows of evenly distributed threaded holes in the middle of the base plate for installing the middle plate.

[0009] As a specific example, the slide rail is a standard part, which is a linear guide rail with multiple countersunk holes for installation and fixation; there are 4 slide rails on the tooling, which are symmetrically installed on both sides so that the rotors on both sides can be installed synchronously.

[0010] As a specific example, the slider is a standard part, which cooperates with the linear guide rail. The guide rail mounting surface has four mounting holes for connecting with the supporting base plate. Two sliders are installed in parallel on each guide rail of the tooling, and four sliders are installed at the bottom of each triangular support plate to increase the force area and move more smoothly.

[0011] As a specific example, the support base plate is made of non-magnetic material. The support base plate is an I-shaped support, and its upper and lower mounting surfaces are provided with mounting holes of different sizes, which are used to cooperate with the slider, the triangular support plate and the screw assembly to serve as a movable connector and support for the guide rail.

[0012] As a specific example, the middle plate is made of non-magnetic material. The middle plate is in an inverted N shape, with a threaded hole at the bottom to fix it to the bottom plate, and threaded holes on the left and right sides for installing limit plates 1 and limit plates 2. Small threaded holes are opened on both sides of the middle plate for axial installation of the screw assembly, and the middle arc surface is installed and matched with the stator assembly to control the assembly to be aligned with the axis.

[0013] As a specific example, the limit plate is made of aluminum alloy material, the cover plate is a special-shaped plate, similar to a rectangle with an arc end, the large hole on the limit plate surface is connected to the middle plate, and the small hole on the limit plate surface is connected to the stator assembly, thereby fixing the stator assembly axially.

[0014] As a specific example, the screw assembly has two fixed modules, which are fixed with a base plate and a middle plate respectively, the screw nut is fixed to the supporting base plate, and a handle is connected to the outermost end, and the axial feed stroke can be controlled by rotating the handle.

[0015] As a specific example, the triangular support plate is L-shaped, the upper support position is triangular, a connecting hole is opened at the end for matching with the left connecting shaft, and a countersunk hole is opened at the bottom to fix with the support base plate, so as to transmit axial displacement.

[0016] As a specific example, the left fixed shaft is stepped, with one end connected and fixed to the circular hole of the triangular support plate, and the other end fixed to the left rotor assembly, mainly to ensure the centering of the installed axis, and to support and transmit displacement.

[0017] As a specific example, the limiting plate 2 is a special-shaped plate, similar to a rectangle with an arc end, and has an additional arc step compared to the limiting plate 1. The large hole on the limiting plate surface is connected to the middle plate, and the small hole on the surface is connected to the stator assembly, thereby fixing the stator assembly to limit the axial displacement.

[0018] As a specific example, the right fixed shaft is stepped, one end is connected and fixed to the triangular support plate, the other end flange surface is connected and fixed to the right rotor assembly, and the remaining holes are used for the final assembly rotor disk installation guide holes of the motor.

[0019] As a specific example, the left rotor assembly is composed of a front end cover, a rotating shaft, a bearing, an adjusting gasket, a rotor fixing plate, a silicon steel plate, a pressure plate, and a magnetic steel. The front end cover stop is connected to the left fixed shaft, and is ultimately guided to move by a screw and a guide rail.

[0020] As a specific example, the stator assembly is composed of a casing, a silicon steel core, and a conductor, and is fixed to the limit plate 1 (6) and the limit plate (10) through the outer circle of the casing and the arc surface of the middle plate (5).

[0021] As a specific example, the right rotor assembly is composed of a rotor fixing disk, a silicon steel disk, a pressure plate, and a magnetic steel. The threaded hole of the rotor disk is fixed to the countersunk hole of the right fixed shaft, and is finally guided to move by a screw and a guide rail.

[0022] As a specific example, the retaining frame is characterized in that: the retaining frame is T-shaped, the bottom countersunk hole is fixed to the supporting bottom plate, and the arc surface at the upper end is used to cooperate with the outer circle of the left fixed shaft as a support. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall assembly structure of the tooling of the present invention.

[0024] Figure 2 It is a structural schematic diagram of the installation base plate of the present invention.

[0025] Figure 3 It is a schematic diagram of the guide rail structure of the present invention.

[0026] Figure 4 It is a structural schematic diagram of a slider of the present invention.

[0027] Figure 5 It is a structural schematic diagram of the supporting base plate of the present invention.

[0028] Figure 6 It is a structural schematic diagram of the middle plate of the present invention.

[0029] Figure 7 Schematic diagram of the structure of the limiting plate 1 of the present invention.

[0030] Figure 8 It is a structural schematic diagram of the screw rod assembly of the present invention.

[0031] Fig. 9 It is a structural schematic diagram of the triangular support plate of the present invention.

[0032] Fig.10 It is a structural schematic diagram of the left fixed shaft of the present invention.

[0033] Fig.11 It is a structural schematic diagram of the right fixed baffle of the present invention.

[0034] Fig.12 It is a structural schematic diagram of the right fixed shaft of the invention.

[0035] Fig.13 It is a structural schematic diagram of the left rotor assembly of the invention.

[0036] Fig.14 It is a structural schematic diagram of the stator assembly of the invention.

[0037] Fig.15 It is a structural schematic diagram of the right rotor of the invention.

[0038] Fig.16 It is a schematic diagram of the structure of the cage of the invention.

[0039] In the figure:

[0040] 1-base plate 2-guide rail 3-slider 4-support base plate 5-middle plate 6-limit plate 1 7-screw assembly 8-triangular support plate 9-left fixed shaft 10-limit plate 2 11-right fixed shaft 12-left rotor assembly 13-stator assembly 14-right rotor assembly 15-cage DETAILED DESCRIPTION

[0041] For axial magnetic field motors, the assembly process directly determines whether the whole machine can be completed. The assembly process also determines the final result due to the influence of axial magnetic pull. Especially for the dual-rotor single-stator structure, its manufacturing process and assembly tooling have become an important research hotspot.

[0042] The present invention mainly proposes an assembly tool for an axial flux motor with dual rotors and a single stator, including a base plate 1, a guide rail 2, a slider 3, a supporting base plate 4, a middle plate, (a limit plate 1) 6, a screw assembly 7, a triangular support plate 8, a left fixed shaft 9, (a limit plate 2) 10, a right fixed shaft 11, a left rotor assembly 12, a stator assembly 13, a right rotor assembly 14, and a retaining frame 15.

[0043] like Figure 2 As shown, the bottom plate is equipped with a slide rail, a slider, and a middle plate, and the middle plate is used as a symmetry center so that the slide rails on both sides can move axially on both sides.

[0044] like Figure 5 As shown in the figure, the fixed base plate is symmetrically installed on the sliders on both sides relative to the middle plate, and then the screw assembly is connected to the supporting base plate, the middle plate, and the base plate, and finally the triangular support plate is installed on the supporting base plate. In this way, the two platforms can be controlled to move freely along the axial direction by the screw rod.

[0045] like Fig.13 The left rotor assembly is shown. The installation process is to connect the front cover, bearing, and single rotor assembly together through long pins, which is convenient for subsequent assembly on the tooling bench.

[0046] like Fig.15 The figure shows the rotor disk on the right side, which is a complete single rotor assembly consisting of a rotor fixing disk, a silicon steel core, a pressure plate, and magnetic steel.

[0047] like Fig.10 As shown, the left rotor fixed shaft, the outer circle of the shaft and the triangular support plate on the stand are fixed together, while ensuring that the fixed shaft can rotate axially, so that when the left rotor disk assembly is installed on the left fixed shaft, it can drive it to rotate.

[0048] like Fig.12 As shown, the fixed shaft of the right rotor, the outer circle of the shaft and the triangular support plate on the stand are fixed together, while ensuring that the fixed shaft can rotate axially, so that the screw holes on the right rotor disk assembly can be connected to the fixed shaft, while not interfering with the mounting holes on the rotor disk, so that it can drive the rotation positioning.

[0049] like Fig.14 The stator assembly of the motor is shown in the figure, which is fixed by limiting plates 1 and 2 to ensure the axis centering.

[0050] like Figure 1 The figure shows the assembly diagram of the axial flux motor, where the rotor assemblies are installed on the left and right sides, and the middle plate is installed in the middle, and the motor is assembled synchronously axially through the screw rods on both sides.

[0051] The present invention mainly uses a dual-rotor single-stator axial assembly tooling to assemble the rotors on both sides simultaneously, which can effectively balance the magnetic pull and solve the problem of assembly difficulty due to large magnetic pull. The tooling is in the form of a bench, which effectively reduces the precision error in installation. The tooling has a simple structure, a simple manufacturing process, a clear idea of ​​motor assembly, and effectively reduces the difficulties caused by the manufacturing process.

Claims

1. An axial flux dual-rotor motor assembly tool, characterized in that: The invention comprises a bottom plate (1), a guide rail (2), a slider (3), a supporting bottom plate (4), a middle plate (5), a limit plate 1 (6), a screw assembly (7), a triangular support plate (8), a left fixed shaft (9), a limit plate 2 (10), a right fixed shaft (11), a left rotor assembly (12), a stator assembly (13), a right rotor assembly (14), and a retaining frame (15).

2. The axial flux dual-rotor motor assembly tooling base plate (1) according to claim 1, characterized in that: The bottom plate (1) is rectangular, with small rectangles on both sides for making way for the screw assembly (7), threaded holes on both sides of the extended edge for fixing the guide rail (2), and two rows of evenly distributed threaded holes in the middle of the bottom plate (1) for installing the middle plate (5).

3. The axial flux dual-rotor motor assembly tooling guide rail according to claim 2, characterized in that: The guide rail (2) is a linear guide rail, and a single guide rail is provided with a plurality of countersunk holes for installation and fixation; there are four slide rails on the tooling for independent feeding of components in directions on both sides.

4. The axial flux dual-rotor motor assembly tooling slider according to claim 3, characterized in that: The slider (3) is applied to a linear guide rail, and the guide rail mounting surface has four mounting holes for connection with a supporting base plate (4). Two sliders (2) are mounted in parallel on each guide rail of the tooling.

5. The axial flux dual-rotor motor assembly tooling support base plate as claimed in claim 4, characterized in that: The support base plate (4) is an I-shaped support, and its upper and lower mounting surfaces are provided with mounting holes of different sizes, which are used to cooperate with the slider (2), the triangular support plate (8) and the screw assembly (7) to serve as a movable connecting piece for the guide rail.

6. The axial flux dual-rotor motor assembly tooling middle plate according to claim 5, characterized in that: The middle plate is in an inverted N shape, with a threaded hole at the bottom for fixing with the bottom plate (1), and threaded holes on the left and right sides for installing the limit plate 1 (6) and the limit plate 2 (10). Small threaded holes are opened on both sides of the middle plate for axially installing the screw assembly (7), and the middle arc is installed to cooperate with the stator assembly (13).

7. The axial flux dual-rotor motor assembly tooling limit plate 1 according to claim 6, characterized in that: The cover plate is a special-shaped plate, similar to a rectangle with an arc end, a limit plate (6), a large hole on the surface connected to the middle plate (5), and a small hole on the surface connected to the stator assembly (13), thereby fixing the stator assembly (13).

8. The axial flux dual-rotor motor assembly as claimed in claim 7, characterized in that: The screw assembly has two fixed modules, which are fixed by a base plate (1) and a middle plate (5) respectively. The screw nut is fixed to a supporting base plate (4), and the outermost end is connected to a handle for feeding control.

9. The triangular support plate for axial flux dual-rotor motor assembly tooling according to claim 8, characterized in that: The plate is an L-shaped support plate, the upper support position is triangular, a connection hole is opened at the end for matching with the left connection shaft (9), and a countersunk hole is opened at the bottom for fixing with the support bottom plate (4).

10. The left fixed shaft of the axial flux dual-rotor motor assembly tool as claimed in claim 9, characterized in that: The fixed shaft is stepped, with one end being connected and fixed to the triangular support plate (8) and the other end being fixed to the left rotor assembly.

11. The axial flux dual-rotor motor assembly tooling limiting plate 2 according to claim 9, characterized in that: The cover plate is a special-shaped plate, similar to a rectangle with an arc end, a limit plate (6), a large hole on the surface connected to the middle plate (5), and a small hole on the surface connected to the stator assembly (13), thereby fixing the stator assembly (13).

12. The right fixed shaft of the axial flux dual-rotor motor assembly tool as claimed in claim 9, characterized in that: The fixed shaft is stepped, one end of which is connected and fixed to the triangular support plate (8), and the flange surface of the other end is connected and fixed to the right rotor assembly, and the remaining holes are used for the final assembly guide fixation of the motor.

13. The left rotor assembly of an axial flux dual-rotor motor assembly tool as claimed in claim 9, characterized in that: The rotor assembly is composed of a front end cover, a rotating shaft, a bearing, an adjusting gasket, a rotor fixing disk, a silicon steel disk, a pressure plate, and a magnetic steel. The front end cover stop is connected to the left fixed shaft (9), and is finally guided and moved by a screw rod and a guide rail.

14. The axial flux dual-rotor motor assembly as claimed in claim 9, characterized in that: The stator assembly is composed of a casing, a silicon steel core and a conductor. The outer circle of the casing is matched with the arc surface of the middle plate (5), and the threaded holes on both sides of the casing are fixed to the limit plate 1 (6) and the limit plate (10).

15. The right rotor assembly of an axial flux dual-rotor motor assembly tool as claimed in claim 9, characterized in that: The rotor assembly is composed of a rotor fixing disk, a silicon steel disk, a pressure plate, and magnetic steel. The threaded hole of the rotor disk is fixed to the countersunk hole of the right fixed shaft (11), and is finally guided and moved by a screw rod and a guide rail.

16. The axial flux dual-rotor motor assembly fixture holder according to claim 9, characterized in that: The retaining frame is T-shaped, the bottom countersunk hole is fixed to the supporting bottom plate (4), and the arc surface at the upper end is used to match the outer circle of the left fixed shaft (9) to serve as a support.

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