Motor rotor assembling equipment

Abstract

The invention provides a motor rotor assembling device, which comprises a plurality of positioning tools used for positioning workpieces, each positioning tool comprises a positioning seat, a plurality of spacer blocks and a first rotation driving assembly, and a silicon steel sheet positioning gap is formed between any adjacent spacer blocks; the silicon steel sheet assembling device is used for sequentially inserting the silicon steel sheets into the silicon steel sheet positioning gaps, and a magnetic steel sheet positioning gap is formed between any two adjacent silicon steel sheets; the magnetic steel sheet assembling device is used for sequentially placing the magnetic steel sheets into the magnetic steel sheet positioning gaps; the crimping device is used for pressing the workpiece, the silicon steel sheet and the magnetic steel sheet; and the tool conveying device is in driving connection with the positioning seat. Compared with the prior art, the motor rotor assembly equipment can realize rapid assembly of the workpiece, the magnetic steel sheet and the silicon steel sheet, simplifies the production process, and improves the production efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of motors, and in particular to motor rotor assembly equipment. Background Art

[0002] Hub motor technology is also known as in-wheel motor technology. Its biggest feature is that the power unit, transmission unit and braking unit are integrated into the wheel hub, which greatly simplifies the mechanical part of the electric vehicle.

[0003] The rotor of a hub motor usually includes a large number of silicon steel sheets and magnetic steel sheets. However, the structure of the hub motor is relatively complex, and the production and assembly are difficult. The assembly of the rotor and the assembly between the rotor and the hub are carried out separately, and the production efficiency is low. Summary of the invention

[0004] The purpose of the present invention is to overcome the shortcomings and deficiencies in the prior art and provide a motor rotor assembly device.

[0005] An embodiment of the present invention provides a motor rotor assembly device, comprising: a plurality of positioning fixtures, the positioning fixtures are used to position a workpiece, the positioning fixtures include a positioning seat, a plurality of spacer blocks and a first rotation drive assembly, the plurality of spacer blocks are evenly arranged around the positioning seat, a silicon steel sheet positioning gap is formed between any adjacent spacer blocks, an auxiliary positioning gap is formed between the spacer blocks and the outer peripheral wall of the positioning seat, when the workpiece is placed on the positioning seat, an annular positioning gap is formed between the positioning seat and the workpiece, the spacer blocks are located in the annular positioning gap, and the first rotation drive assembly is drivingly connected to the positioning seat for driving the positioning seat to rotate;

[0006] A silicon steel sheet assembly device, the silicon steel sheet assembly device is used to insert the silicon steel sheets into the silicon steel sheet positioning gaps in sequence, a portion of the silicon steel sheets is located in the auxiliary positioning gaps, and a magnetic steel sheet positioning gap is formed between any two adjacent silicon steel sheets;

[0007] A magnetic steel sheet assembly device, the magnetic steel sheet assembly device is used to sequentially place the magnetic steel sheets into the magnetic steel sheet positioning gaps;

[0008] A crimping device, which is used to press the workpiece, the silicon steel sheet and the magnetic steel sheet together;

[0009] A tooling conveying device is drivingly connected to the positioning seat and is used to drive the positioning seat to move between the silicon steel sheet assembly device, the magnetic steel sheet assembly device and the crimping device.

[0010] In some optional embodiments, the silicon steel sheet assembly device includes a feeding vibration plate, a material guide trough, a positioning seat and a first pressing assembly;

[0011] The feeding vibration plate, the material guide trough and the positioning seat are connected in sequence, a positioning channel is arranged on the positioning seat, and the first pressing component is arranged above the positioning channel to press the silicon steel sheet in the positioning channel into the positioning gap of the silicon steel sheet.

[0012] In some optional embodiments, the bottom of the annular positioning gap has multiple sliding openings, the spacer block slidably cooperates with the sliding openings and can slide up and down relative to the sliding openings, and the positioning tool also includes an elastic component, which is connected to the spacer block, and when the spacer block moves downward, it will drive the elastic component to produce elastic deformation.

[0013] In some optional embodiments, the magnetic steel sheet assembly device includes a material guide seat, a material stopper and a material stopper drive assembly, the material guide seat is arranged above the positioning tooling, a material guide channel for accommodating multiple magnetic steel sheets is provided in the material guide seat, an opening is provided on one side of the material guide channel, the material stopper can be moved to a material stopper position and a material discharge position under the drive of the material stopper drive assembly, when the material stopper is in the material stopper position, the material stopper extends into the material guide channel from the opening and restricts the magnetic steel sheet from falling along the material guide channel, when in the material discharge position, the material stopper releases the restriction on the magnetic steel sheet so that the magnetic steel sheet can fall along the material guide channel by its own gravity and detach from the material guide channel from the bottom opening of the material guide channel, and the magnetic steel sheet falls into the magnetic steel sheet positioning gap after detaching from the material guide channel.

[0014] In some optional embodiments, when assembling magnetic steel sheets on the same workpiece, after the magnetic steel sheet assembly device inserts the nth magnetic steel sheet into the corresponding positioning gap of the nth magnetic steel sheet, the first rotating drive component drives the positioning seat to rotate, and the material blocking drive component drives the material blocking member to move to the discharge position, so that the n+1th magnetic steel sheet is disengaged from the material guide channel, and before the bottom opening of the material guide channel is aligned with the positioning gap of the n+1th magnetic steel sheet, the n+1th magnetic steel sheet abuts against the top of the silicon steel sheet between the nth magnetic steel sheet positioning gap and the n+1th magnetic steel sheet positioning gap, and after the bottom opening of the material guide channel is aligned with the positioning gap of the n+1th magnetic steel sheet, the n+1th magnetic steel sheet falls into the positioning gap of the n+1th magnetic steel sheet by its own gravity; n is greater than or equal to 1.

[0015] In some optional embodiments, the distance between the bottom opening of the material guiding channel and the top of the silicon steel sheet is smaller than the height of the magnetic steel sheet.

[0016] In some optional embodiments, the bottom of the annular positioning gap has a plurality of sliding openings, the spacer block is slidably matched with the sliding openings and can slide up and down relative to the sliding openings, and the positioning fixture further includes an elastic component, the elastic component is connected to the spacer block, and when the spacer block moves downward, it drives the elastic component to produce elastic deformation;

[0017] The spacer block is formed with an inclined portion in front of the preset circumferential direction of the annular positioning gap, and the spacer block is formed with a lifting block in the rear of the preset circumferential direction of the annular positioning gap, and the lifting block is supported on the bottom of the silicon steel sheet so that the silicon steel sheet is inclined toward the adjacent spacer block and abuts against the inclined portion of the adjacent spacer block;

[0018] After the magnetic steel sheet falls into the magnetic steel sheet positioning gap, the magnetic steel sheet abuts against the top of the spacer block. The spacer block descends under the action of the magnetic steel sheet and drives the lifting block to descend and be retracted into the sliding opening. After losing the support of the corresponding lifting block, the silicon steel sheet stands upright by its own gravity.

[0019] In some optional embodiments, the magnetic steel sheet assembly device includes a second rotary drive component and a plurality of the material guide seats, and the second rotary drive component is drivingly connected to the plurality of the material guide seats to drive the bottom opening of the material guide channel of any one of the material guide seats toward the positioning seat.

[0020] In some optional embodiments, the positioning seat includes an intermediate seat, a positioning drive assembly and a plurality of positioning blocks, the plurality of positioning blocks are evenly arranged around the intermediate positioning seat, the positioning drive assembly drives the positioning blocks to approach the workpiece, and the annular positioning gap is formed between the workpiece and the plurality of positioning blocks.

[0021] In some optional embodiments, the tooling conveying device includes a rotating disk, a third rotating drive assembly and a clamping and moving assembly, the positioning seat is arranged on the rotating disk, the third rotating drive assembly drives the rotating disk to rotate, and the positioning seat moves to the silicon steel sheet assembly device and the magnetic steel sheet assembly device as the rotating disk rotates, and the clamping and moving assembly is used to clamp the positioning seat to the rotating disk and the crimping device.

[0022] Compared with the prior art, the motor rotor assembly equipment of the present invention can realize the rapid assembly of workpieces, magnetic steel sheets and silicon steel sheets, simplify the production process and improve production efficiency.

[0023] In order to more clearly understand the present invention, the specific implementation of the present invention will be described below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1A schematic structural diagram of one side of a motor rotor assembly device according to an embodiment of the present invention;

[0025] Figure 2 A schematic structural diagram of a motor rotor assembly device according to an embodiment of the present invention;

[0026] Figure 3 A schematic structural diagram of a silicon steel sheet assembly device according to an embodiment of the present invention;

[0027] Figure 4 A schematic diagram of the structure of a positioning tool according to an embodiment of the present invention;

[0028] Figure 5 for Figure 4 An enlarged view of point A is shown;

[0029] Figure 6 A schematic diagram of the structure of a positioning tool and a workpiece according to an embodiment of the present invention;

[0030] Figure 7 This is a schematic structural diagram of a positioning tool, a workpiece and a silicon steel sheet according to an embodiment of the present invention;

[0031] Figure 8 A schematic structural diagram of a magnetic steel sheet assembly device according to an embodiment of the present invention;

[0032] Fig. 9 This is a schematic diagram of the partial structure of a positioning tool during installation of a magnetic steel sheet according to another embodiment of the present invention.

[0033] Description of reference numerals:

[0034] 10. Positioning tool; 11. Positioning seat; 111. Intermediate seat; 112. Positioning block; 12. Spacer block; 121. Inclined portion; 122. Lifting block; 13. Sliding opening; 14. Elastic component; 20. Silicon steel sheet assembly device; 21. Feeding vibration plate; 22. Material guide trough; 23. Feeding seat; 24. First pressing component; 30. Magnetic steel sheet assembly device; 31. Material guide seat; 32. Material guide channel; 33 , material blocking member; 34, material blocking drive assembly; 35, second rotary drive assembly; 40, crimping device; 50, tooling conveying device; 51, rotating disk; 52, third rotary drive assembly; 53, clamping moving assembly; 60, silicon steel sheet positioning gap; 61, auxiliary positioning gap; 62, annular positioning gap; 63, magnetic steel sheet positioning gap; 70, workpiece; 71, silicon steel sheet; 72, magnetic steel sheet; 80, frame. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. In the description of the present invention, unless otherwise specified, "multiple" means 2 or more, and "several" means 1 or more. In addition, unless otherwise specified, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

[0036] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0037] In the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] In the description of the present invention, the description with reference to the terms "one embodiment", "some optional implementations" or "some optional embodiments" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0039] See also Figures 1 to 7An embodiment of the present invention provides a motor rotor assembly device, including: a plurality of positioning fixtures 10, the positioning fixtures 10 are used to position a workpiece 70, the positioning fixtures 10 include a positioning seat 11, a plurality of spacer blocks 12 and a first rotation drive assembly, the plurality of spacer blocks 12 are evenly arranged around the positioning seat 11, a silicon steel sheet positioning gap 60 is formed between any adjacent spacer blocks 12, an auxiliary positioning gap 61 is formed between the spacer blocks 12 and the outer peripheral wall of the positioning seat 11, when the workpiece 70 is placed on the positioning seat 11, an annular positioning gap 62 is formed between the positioning seat 11 and the workpiece 70, the spacer blocks 12 are located in the annular positioning gap 62, and the first rotation drive assembly is drivingly connected to the positioning seat 11 for driving the positioning seat 11 to rotate.

[0040] The silicon steel sheet assembly device 20 is used to insert the silicon steel sheets 71 into the silicon steel sheet positioning gap 60 in sequence, and part of the silicon steel sheet 71 is located in the auxiliary positioning gap 61 , and a magnetic steel sheet positioning gap 63 is formed between any two adjacent silicon steel sheets 71 .

[0041] The magnetic steel sheet assembly device 30 is used to place the magnetic steel sheets 72 into the magnetic steel sheet positioning gap 63 in sequence.

[0042] The crimping device 40 is used to press the workpiece 70, the silicon steel sheet 71 and the magnetic steel sheet 72 together.

[0043] The tooling conveying device 50 is drivingly connected to the positioning seat 11 and is used to drive the positioning seat 11 to move between the silicon steel sheet assembly device 20, the magnetic steel sheet assembly device 30 and the crimping device 40.

[0044] During assembly, the silicon steel sheet assembly device 20 inserts the silicon steel sheet 71 into the silicon steel sheet positioning gap 60 located in the annular positioning gap 62. The silicon steel sheet 71 is usually T-shaped, and the protruding parts on both sides of the silicon steel sheet 71 can extend into the auxiliary positioning gap 61. The magnetic steel sheet assembly device 30 inserts the magnetic steel sheet 72 into the magnetic steel sheet positioning gap 63 located in the annular positioning gap 62, so that the magnetic steel sheet 72 and the silicon steel sheet 71 are arranged at intervals on the inner side of the workpiece 70, and then the crimping device 40 crimps the magnetic steel sheet 72 and the silicon steel sheet 71 on the inner side of the workpiece 70 to realize the assembly of the workpiece 70, the magnetic steel sheet 72 and the silicon steel sheet 71. The workpiece 70 is a wheel hub or other annular structure.

[0045] In this embodiment, the positioning tool 10 , the silicon steel sheet assembly device 20 , the magnetic steel sheet assembly device 30 , the crimping device 40 and the tool conveying device 50 are all arranged on the frame 80 .

[0046] The specific structure of the first rotary drive component can be appropriately designed according to actual needs. For example, the first rotary drive component can adopt a rotary drive motor.

[0047] In some optional embodiments, the silicon steel sheet assembly device 20 includes a loading vibration disk 21, a material guide trough 22, a loading seat 23 and a first pressing component 24; the loading vibration disk 21, the material guide trough 22 and the loading seat 23 are connected in sequence, a positioning channel is provided on the loading seat 23, and the first pressing component 24 is provided above the positioning channel, and is used to press the silicon steel sheet 71 in the positioning channel into the silicon steel sheet positioning gap 60. The loading vibration disk 21 delivers each silicon steel sheet 71 into the material guide trough 22 in the same posture. After the silicon steel sheet 71 reaches the positioning channel along the material guide trough 22, the first pressing component 24 extends into the positioning channel and presses the silicon steel sheet 71 in the positioning channel into the silicon steel sheet positioning gap 60.

[0048] The specific structure of the first pressing assembly 24 can be appropriately designed according to actual needs. For example, the first pressing assembly 24 may include a pressing cylinder and a pressing block. The pressing cylinder drives the pressing block to move up and down, and the pressing block can extend into the positioning channel.

[0049] In some optional embodiments, the bottom of the annular positioning gap 62 has multiple sliding openings 13, and the spacer block 12 is slidably matched with the sliding opening 13 and can slide up and down relative to the sliding opening 13. The positioning tool 10 also includes an elastic component 14, which is connected to the spacer block 12. When the spacer block 12 moves downward, it will drive the elastic component 14 to produce elastic deformation. After the magnetic steel sheet 72 falls into the magnetic steel sheet positioning gap 63, the magnetic steel sheet 72 presses the spacer block 12, so that the spacer block 12 is received in the sliding opening 13, thereby avoiding obstruction of the connection between the magnetic steel sheet 72 and the silicon steel sheet 71. After the crimping is completed, the workpiece 70 is removed from the positioning seat 11, and the elastic component 14 drives the spacer block 12 to reset.

[0050] The specific structure of the elastic component 14 can be appropriately designed according to actual needs. For example, the elastic component 14 includes a plurality of springs, which are arranged on the positioning seat 11 and connected to the spacer block 12 .

[0051] See also Figure 8In some optional embodiments, the magnetic steel sheet assembly device 30 includes a material guide seat 31, a material stopper 33 and a material stopper driving assembly 34. The material guide seat 31 is arranged above the positioning tool 10. A material guide channel 32 for accommodating multiple magnetic steel sheets 72 is provided in the material guide seat 31. An opening is provided on one side of the material guide channel 32. The material stopper 33 can be driven by the material stopper driving assembly 34 to move to a material stopper position and a material discharge position. When the material stopper 33 is in the material stopper position, the material stopper 33 extends into the material guide channel 32 from the opening and limits the magnetic steel sheet 72 from falling along the material guide channel 32. When in the material discharge position, the material stopper 33 releases the restriction on the magnetic steel sheet 72 so that the magnetic steel sheet 72 can rely on itself. The magnetic steel sheet 72 falls along the material guide channel 32 due to its own gravity and detaches from the bottom opening of the material guide channel 32. The magnetic steel sheet 72 falls into the magnetic steel sheet positioning gap 63 after detaching from the material guide channel 32. The material blocking drive assembly 34 drives the material blocking member 33 to release the blocking of each magnetic steel sheet 72 in turn, so that the magnetic steel sheet 72 falls in turn by its own gravity. After the magnetic steel sheet 72 falls into the corresponding magnetic steel sheet positioning gap 63, the first rotation drive assembly drives the positioning seat 11 to rotate in a preset circumferential direction, thereby switching the other magnetic steel sheet positioning gaps 63 to the bottom opening of the material guide channel 32 in turn, thereby realizing that multiple magnetic steel sheets 72 enter the corresponding magnetic steel sheet positioning gaps 63 in turn.

[0052] The specific structure of the material blocking driving assembly 34 can be appropriately designed according to actual needs. For example, the material blocking driving assembly 34 can adopt a telescopic cylinder or an electric cylinder.

[0053] In some optional embodiments, when assembling the magnetic steel sheet 72 for the same workpiece 70, after the magnetic steel sheet assembly device 30 inserts the nth magnetic steel sheet 72 into the corresponding positioning gap 63 of the nth magnetic steel sheet, the first rotary drive assembly drives the positioning seat 11 to rotate, and the driving stopper 33 of the stopper drive assembly 34 moves to the discharge position, so that the n+1th magnetic steel sheet 72 is disengaged from the material guide channel 32, and before the bottom opening of the material guide channel 32 is aligned with the positioning gap 63 of the n+1th magnetic steel sheet, the n+1th magnetic steel sheet 72 abuts against the positioning gap 63 of the n+1th magnetic steel sheet and the positioning gap 63 of the n+1th magnetic steel sheet. The top of the silicon steel sheet 71 between the silicon steel sheet positioning gaps 63 is formed, so that the magnetic steel sheet 72 first abuts against the silicon steel sheet 71 and does not move with the rotation of the positioning seat 11. After the positioning seat 11 rotates until the bottom opening of the guide channel 32 is aligned with the n+1 magnetic steel sheet positioning gap 63, the n+1 magnetic steel sheet 72 falls into the n+1 magnetic steel sheet positioning gap 63 by its own gravity, which enables the magnetic steel sheet 72 to accurately enter the magnetic steel sheet positioning gap 63, avoiding the situation where the magnetic steel sheet 72 cannot accurately enter the magnetic steel sheet positioning gap 63 due to the change of posture when falling by gravity. Wherein, n is greater than or equal to 1.

[0054] In some optional embodiments, the distance between the bottom opening of the material guide channel 32 and the top of the silicon steel sheet 71 is smaller than the height of the magnetic steel sheet 72, so that when the magnetic steel sheet 72 is against the top of the silicon steel sheet 71, the magnetic steel sheet 72 can be restricted by the material guide channel 32 and will not be moved by the positioning seat 11.

[0055] See also Fig. 9 In some optional embodiments, the bottom of the annular positioning gap 62 has multiple sliding openings 13, the spacer block 12 is slidably matched with the sliding openings 13, and can slide up and down relative to the sliding openings 13, the positioning tool 10 also includes an elastic component 14, the elastic component 14 is connected to the spacer block 12, and when the spacer block 12 moves downward, it will drive the elastic component 14 to produce elastic deformation; the spacer block 12 is formed with an inclined portion 121 in front of the preset circumferential direction of the annular positioning gap 62, and the spacer block 12 is formed with a lifting block 122 at the rear of the preset circumferential direction of the annular positioning gap 62, and the lifting block 122 is supported on the bottom of the silicon steel sheet 71 so that the silicon steel sheet 71 is inclined toward the adjacent spacer block 12 and abuts on the inclined portion 121 of the adjacent spacer block 12; after the nth magnetic steel sheet 72 falls into the nth magnetic steel sheet positioning gap 63, the nth magnetic steel sheet 7 2 abuts against the top of the spacing block 12, and the spacing block 12 is moved down by the action of the nth magnetic steel sheet 72, and drives the lifting block 122 to move down and be received in the sliding opening 13, so that the first silicon steel sheet 71 located behind the nth magnetic steel sheet 72 in the preset circumferential direction stands upright by its own gravity after losing the support of the corresponding lifting block 122, and because the second silicon steel sheet 71 located behind the nth magnetic steel sheet 72 is still in an inclined state, the top opening of the n+1th magnetic steel sheet positioning gap 63 between the second silicon steel sheet 71 located behind the nth magnetic steel sheet 72 and the first silicon steel sheet 71 is wider than the width of the magnetic steel sheet 72, thereby facilitating the n+1th magnetic steel sheet 72 to enter the n+1th magnetic steel sheet positioning gap 63, so that the magnetic steel sheet 72 that falls by its own gravity can smoothly and accurately enter the magnetic steel sheet positioning gap 63.

[0056] It should be noted that the magnetic steel sheet positioning gap 63 and the magnetic steel sheet 72 are gap-matched. Even if the top opening of the magnetic steel sheet positioning gap 63 is not enlarged in the above-mentioned manner, the magnetic steel sheet 72 can smoothly enter the magnetic steel sheet positioning gap 63 by its own gravity.

[0057] In addition, the inclined portion 121 can also facilitate guiding the silicon steel sheet 71 into the silicon steel sheet positioning gap 60 .

[0058] In some optional embodiments, the magnetic steel sheet assembly device 30 includes a second rotary drive component 35 and a plurality of material guide seats 31, and the second rotary drive component 35 is drivingly connected to the plurality of material guide seats 31, and is used to drive the bottom opening of the material guide channel 32 of any material guide seat 31 toward the positioning seat 11. A plurality of magnetic steel sheets 72 are stored in the material guide channel 32 in each material guide seat 31, and the magnetic steel sheets 72 are arranged in sequence from top to bottom along the guide channel. After all the magnetic steel sheets 72 in the material guide channel 32 of the material guide seat 31 are assembled, the second rotary drive component 35 switches other material guide seats 31 to the top of the positioning seat 11, thereby realizing rapid material loading, avoiding interruption of the production rhythm, and improving production efficiency.

[0059] The specific structure of the second rotation drive assembly 35 can be appropriately designed according to actual needs. For example, the second rotation drive assembly 35 can adopt a rotation drive motor or other appropriate structures.

[0060] In some optional embodiments, the positioning seat 11 includes an intermediate seat 111, a positioning drive assembly and a plurality of positioning blocks 112, the plurality of positioning blocks 112 are evenly arranged around the intermediate positioning seat 11, the positioning drive assembly drives the positioning block 112 to approach the workpiece 70, an annular positioning gap 62 is formed between the workpiece 70 and the plurality of positioning blocks 112, and the positioning drive assembly can drive the positioning block 112 to press the silicon steel sheet 71 toward the inner side of the workpiece 70, so that the position of the silicon steel sheet 71 is stable, and the plurality of silicon steel sheets 71 are arranged tightly. The way in which the positioning drive assembly drives the positioning block 112 can select a suitable design according to actual needs, for example, a hole is formed between the positioning block 112 and the intermediate seat 111, the positioning drive assembly includes a driving cylinder and a conical block, the driving cylinder is connected to the conical block, the conical block extends into the hole, and the conical block pushes the positioning block 112 away from the intermediate seat 111 by squeezing the inner wall of the hole, so that the positioning block 112 pushes the silicon steel sheet 71 against the inner side of the workpiece 70.

[0061] The specific structure of the tooling conveying device 50 can be appropriately designed according to actual needs. For example, in some optional embodiments, the tooling conveying device 50 includes a rotating disk 51, a third rotating drive assembly 52 and a clamping and moving assembly 53. The positioning seat 11 is arranged on the rotating disk 51. The third rotating drive assembly 52 drives the rotating disk 51 to rotate. The positioning seat 11 moves to the silicon steel sheet assembly device 20 and the magnetic steel sheet assembly device 30 with the rotation of the rotating disk 51. The clamping and moving assembly 53 is used to clamp the positioning seat 11 to the rotating disk 51 and the crimping device 40. The third rotating drive assembly 52 can be implemented by a motor or other structures.

[0062] The clamping moving assembly 53 can be implemented by a multi-axis translation drive assembly and a finger cylinder, and the finger gripper of the finger cylinder clamps the workpiece 70. Of course, after the clamping moving assembly 53 clamps the workpiece 70 from the positioning seat 11, the workpiece 70, the magnetic steel sheet 72 and the silicon steel sheet 71 are separated from the positioning seat 11 and may be loosened. For this reason, some structures for fixing the magnetic steel sheet 72 and the silicon steel sheet 71 can be added to the inner side of the workpiece 70 in advance, or the inner side of the workpiece 70 can be pre-laid with adhesive colloid, so that the magnetic steel sheet 72 and the silicon steel sheet 71 can be adhered to the inner side of the workpiece 70, and then the workpiece 70, the magnetic steel sheet 72 and the silicon steel sheet 71 are crimped by the crimping device 40. Of course, in other embodiments, the crimping device 40 can also be arranged on one side of the rotating disk 51, so that the rotating disk 51 can move the positioning seat 11 to the crimping device 40, thereby eliminating the clamping moving assembly 53.

[0063] The specific structure of the third rotation drive component 52 can be appropriately designed according to actual needs. For example, the third rotation drive component 52 can adopt a rotation drive motor.

[0064] The crimping device 40 is used to crimp the workpiece 70, the magnetic steel sheet 72 and the silicon steel sheet 71. According to different crimping methods, the structure of the crimping device 40 can be changed accordingly. Its structure and principle are well known to those skilled in the art and will not be described in detail here.

[0065] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A motor rotor assembly device, characterized in that: include: A plurality of positioning fixtures, wherein the positioning fixtures are used to position the workpiece, the positioning fixtures include a positioning seat, a plurality of spacer blocks and a first rotation drive assembly, the plurality of spacer blocks are evenly arranged around the positioning seat, a silicon steel sheet positioning gap is formed between any adjacent spacer blocks, an auxiliary positioning gap is formed between the spacer blocks and the outer peripheral wall of the positioning seat, when the workpiece is placed on the positioning seat, an annular positioning gap is formed between the positioning seat and the workpiece, the spacer blocks are located in the annular positioning gap, and the first rotation drive assembly is drivingly connected to the positioning seat for driving the positioning seat to rotate; A silicon steel sheet assembly device, the silicon steel sheet assembly device is used to insert the silicon steel sheets into the silicon steel sheet positioning gaps in sequence, a portion of the silicon steel sheets is located in the auxiliary positioning gaps, and a magnetic steel sheet positioning gap is formed between any two adjacent silicon steel sheets; A magnetic steel sheet assembly device, the magnetic steel sheet assembly device is used to sequentially place the magnetic steel sheets into the magnetic steel sheet positioning gaps; A crimping device, which is used to press the workpiece, the silicon steel sheet and the magnetic steel sheet together; A tooling conveying device is drivingly connected to the positioning seat and is used to drive the positioning seat to move between the silicon steel sheet assembly device, the magnetic steel sheet assembly device and the crimping device.

2. The motor rotor assembly equipment according to claim 1, characterized in that: The silicon steel sheet assembly device comprises a feeding vibration plate, a material guide trough, a positioning seat and a first pressing component; The feeding vibration plate, the material guide trough and the positioning seat are connected in sequence, a positioning channel is arranged on the positioning seat, and the first pressing component is arranged above the positioning channel to press the silicon steel sheet in the positioning channel into the positioning gap of the silicon steel sheet.

3. The motor rotor assembly equipment according to claim 1, characterized in that: The bottom of the annular positioning gap has multiple sliding openings, the spacer block is slidably matched with the sliding openings, and can slide up and down relative to the sliding openings. The positioning tool also includes an elastic component, which is connected to the spacer block. When the spacer block moves downward, it will drive the elastic component to produce elastic deformation.

4. The motor rotor assembly equipment according to claim 1, characterized in that: The magnetic steel sheet assembly device includes a material guide seat, a material stopper and a material stopper drive assembly, the material guide seat is arranged above the positioning tooling, a material guide channel for accommodating multiple magnetic steel sheets is arranged in the material guide seat, an opening is arranged on one side of the material guide channel, the material stopper can be moved to a material stopper position and a material discharge position under the drive of the material stopper drive assembly, when the material stopper is in the material stopper position, the material stopper extends into the material guide channel from the opening and limits the magnetic steel sheet from falling along the material guide channel, when in the material discharge position, the material stopper releases the restriction on the magnetic steel sheet so that the magnetic steel sheet can fall along the material guide channel by its own gravity and detach from the material guide channel from the bottom opening of the material guide channel, and the magnetic steel sheet falls into the magnetic steel sheet positioning gap after detaching from the material guide channel.

5. The motor rotor assembly equipment according to claim 4, characterized in that: When assembling magnetic steel sheets on the same workpiece, after the magnetic steel sheet assembly device inserts the nth magnetic steel sheet into the corresponding positioning gap of the nth magnetic steel sheet, the first rotating drive component drives the positioning seat to rotate, and the material blocking drive component drives the material blocking member to move to the discharge position, so that the n+1th magnetic steel sheet is disengaged from the material guide channel, and before the bottom opening of the material guide channel is aligned with the positioning gap of the n+1th magnetic steel sheet, the n+1th magnetic steel sheet abuts against the top of the silicon steel sheet between the positioning gap of the nth magnetic steel sheet and the positioning gap of the n+1th magnetic steel sheet, and after the bottom opening of the material guide channel is aligned with the positioning gap of the n+1th magnetic steel sheet, the n+1th magnetic steel sheet falls into the positioning gap of the n+1th magnetic steel sheet by its own gravity; n is greater than or equal to 1.

6. The motor rotor assembly equipment according to claim 5, characterized in that: The distance between the bottom opening of the material guiding channel and the top of the silicon steel sheet is smaller than the height of the magnetic steel sheet.

7. The motor rotor assembly equipment according to claim 4, characterized in that: The bottom of the annular positioning gap has a plurality of sliding openings, the spacer block is slidably matched with the sliding openings and can slide up and down relative to the sliding openings, the positioning fixture also includes an elastic component, the elastic component is connected to the spacer block, and when the spacer block moves downward, it drives the elastic component to produce elastic deformation; The spacer block is formed with an inclined portion in front of the preset circumferential direction of the annular positioning gap, and the spacer block is formed with a lifting block in the rear of the preset circumferential direction of the annular positioning gap, and the lifting block is supported on the bottom of the silicon steel sheet so that the silicon steel sheet is inclined toward the adjacent spacer block and abuts against the inclined portion of the adjacent spacer block; After the magnetic steel sheet falls into the magnetic steel sheet positioning gap, the magnetic steel sheet abuts against the top of the spacer block. The spacer block descends under the action of the magnetic steel sheet and drives the lifting block to descend and be retracted into the sliding opening. After losing the support of the corresponding lifting block, the silicon steel sheet stands upright by its own gravity.

8. The motor rotor assembly equipment according to claim 4, characterized in that: The magnetic steel sheet assembly device includes a second rotary drive component and a plurality of the material guide seats. The second rotary drive component is drivingly connected to the plurality of the material guide seats and is used to drive the bottom opening of the material guide channel of any of the material guide seats toward the positioning seat.

9. The motor rotor assembly equipment according to any one of claims 1 to 8, characterized in that: The positioning seat includes an intermediate seat, a positioning drive assembly and a plurality of positioning blocks. The plurality of positioning blocks are evenly arranged around the intermediate positioning seat. The positioning drive assembly drives the positioning blocks to approach the workpiece, and the annular positioning gap is formed between the workpiece and the plurality of positioning blocks.

10. The motor rotor assembly equipment according to any one of claims 1 to 8, characterized in that: The tooling conveying device includes a rotating disk, a third rotating drive component and a clamping and moving component. The positioning seat is arranged on the rotating disk. The third rotating drive component drives the rotating disk to rotate. The positioning seat moves to the silicon steel sheet assembly device and the magnetic steel sheet assembly device as the rotating disk rotates. The clamping and moving component is used to clamp the positioning seat to the rotating disk and the crimping device.

Images