Rotor iron core component and assembling device thereof

Abstract

The invention relates to a rotor iron core part and an assembling device thereof, and relates to the technical field of rotor iron cores, and the rotor iron core part comprises a rotor part and a stator iron core. The assembling device comprises a base, a supporting column, a working platform, a stamping die, a positioning mechanism, a middle cylinder, a rotating part, a position correcting mechanism, a limiting pressing mechanism, an extruding mechanism, a supporting electric push rod, a sliding column and a supporting mechanism. The rotation stability of the subsequent rotor is easily influenced by the higher temperature, the magnetic conduction effect of the iron core is also easily influenced by the high temperature of the rotor, and the iron core is easily deformed due to the high temperature; and lamination of the existing stator iron core mostly depends on welding or bolt fixation, the process is complex, and the integrity of the iron core is easily influenced by assembly errors.

Description

A rotor core component and its assembly device Technical Field

[0001] This invention relates to the technical field of rotor cores, and in particular to a rotor core component and its assembly device. Background Technology

[0002] The rotor and core of an electric motor are the core components of electric motors and generators. The rotor is the rotating part of the motor, located inside the motor and usually connected to the output shaft. It is the key rotating component that realizes the conversion of electrical energy into mechanical energy. It rotates under the action of electromagnetic force, thereby driving the operation of external machinery, or rotating under the drive of external machinery, cutting magnetic field lines to generate induced electromotive force. The core is a magnetic component in the motor made of magnetically conductive material. It is divided into stator core and rotor core, which are fixed in the stationary part of the motor. Its main function is to provide magnetic circuit channels, enhance the magnetic field strength inside the motor, and reduce magnetic field loss. By using silicon steel sheets stacked instead of metal supports, eddy current loss can be effectively reduced.

[0003] Prior art, such as Chinese Patent Publication No. CN110692183B, discloses a rotor, particularly a rotor for an electric motor, comprising a base and at least one metal end plate disposed on the end side of the base. The base and the at least one end plate are provided in a continuous layer, and this layer is injection molded. Prior art, such as Chinese Patent Publication No. CN112421818B, provides a stator core that can be effectively cooled while suppressing increases in the manufacturing cost of the stator core. The stator core is constructed by stacking multiple steel plates and includes an annular stator core body and multiple stator core fixing portions. Each steel plate has a pair of stator core fixing portions A and B, consisting of a pair of circumferentially adjacent stator core fixing portions. Stator core fixing portion B has an intermediate wall, and stator core fixing portion A has an intermediate wall of a different shape from the intermediate wall. A stator core is formed by shifting and stacking steel plates in such a way that the stator core fixing part A and the stator core fixing part B coincide. A cooling medium storage part for storing cooling medium R is provided on the intermediate wall and the outer peripheral surface a of the intermediate wall disposed between the intermediate walls.

[0004] However, the aforementioned existing technologies still have significant technical shortcomings: First, insufficient heat dissipation performance. During high-speed rotation, the rotor is prone to temperature increases, which can affect the rotational stability of the rotor. High rotor temperatures can also affect the magnetic permeability of the core and cause deformation. Existing rotor structures lack targeted heat dissipation design, leading to heat accumulation and increased rotor temperature. This not only affects rotor rotational stability but also conducts heat to the core, reducing its magnetic permeability and even causing high-temperature deformation, thus compromising the overall operating accuracy of the motor. Second, low assembly efficiency and precision. Existing stator core stacking relies heavily on welding or bolting, a complex process prone to assembly errors affecting core integrity. Even with existing technologies using staggered steel plate stacking to form a cooling structure, the problems of inaccurate silicon steel sheet positioning and cumbersome assembly processes remain unresolved, making it difficult to meet the demands of efficient and high-precision industrial production. Therefore, this application designs a rotor core component and its assembly device. Summary of the Invention

[0005] The purpose of this invention is to provide a rotor core component and its assembly device, which aims to improve heat dissipation and assembly efficiency.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a rotor core component, comprising: a rotor component; a stator core, which is coaxially sleeved on the radial outer side of the rotor component, and an air gap is formed between the rotor component and the stator core.

[0007] As a preferred embodiment of the present invention, the rotor component is formed by stacking several sets of rotors along the axial direction. The rotor has heat-conducting grooves inside, and both ends of the heat-conducting grooves have chamfered structures. The outer surface of the rotor is covered with a double-layer protective coating.

[0008] As a preferred embodiment of the present invention, the stator core is formed by stacking several sets of annular cores along the axial direction. The annular cores are uniformly provided with recessed self-locking pits, and the outer edge of the annular cores is uniformly provided with stamped heat dissipation channels. The outer surface of the annular cores is covered with a double-layer coating, and the annular cores are uniformly provided with concave semi-circular grooves around their perimeter.

[0009] Furthermore, the present invention also provides an assembly device for rotor core components. The assembly device includes a base connected to a working platform via a support column; a stamping die installed at the upper end of the working platform, with a positioning mechanism located below the stamping die within the working platform; an intermediate cylinder with an electrically driven rotating component inside, the intermediate cylinder being mounted on the support platform, and a position correction mechanism evenly arranged around the periphery of the intermediate cylinder, the rotating component controlling the position correction mechanism to perform structural adjustments thereby correcting the internal position of the stacked annular core; a limiting pressing mechanism installed on the outer side of the support platform, with a pressing mechanism cooperating with the limiting pressing mechanism mounted on the rotating component; a supporting electric push rod installed between the rotating component and the support platform, the support platform slidingly mounted on a sliding column, the lower end of the sliding column mounted on the base; and a support mechanism mounted on the base.

[0010] As a preferred embodiment of the present invention, the stamping die includes a lifting seat, a stamping head is mounted on the lifting seat, and a lifting electric push rod is connected between the lifting seat and the working platform.

[0011] As a preferred embodiment of the present invention, the positioning mechanism includes a sealing component, with sealing components symmetrically arranged at the left and right ends of the working platform, and a positioning component arranged between the sealing components, and an electric drive push rod connected between the positioning component and the intermediate cylinder.

[0012] As a preferred embodiment of the present invention, the sealing assembly includes a support plate, which is slidably disposed in a sliding groove opened inside the working platform, and a transverse electric push rod is connected between the support plate and the sliding groove.

[0013] As a preferred embodiment of the present invention, the positioning component includes an intermediate disk, the interior of which is provided with a storage groove, and a positioning element is symmetrically and slidably arranged inside the storage groove. An extrusion head that is used to press and cooperate with the positioning element is slidably arranged in the middle of the storage groove. An electric drive push rod is connected between the extrusion head and the intermediate cylinder, and the position between the extrusion head and the intermediate disk is temporarily locked by a snap-fit ​​unit.

[0014] As a preferred embodiment of the present invention, the positioning component includes a U-shaped clip, the inner end of which is equipped with a pressure rod, the pressure rod being horizontally slidably disposed in the storage groove, the U-shaped clip and the storage groove being elastically connected, and the inner end bevel of the pressure rod and the rounded corner of the extrusion head being used for extrusion engagement.

[0015] As a preferred embodiment of the present invention, the snap-fit ​​unit includes a snap-fit ​​member, which is elastically and slidably connected in a snap-fit ​​groove opened in the side wall of the extrusion head. A top support member that cooperates with the snap-fit ​​member is horizontally and slidably disposed in a horizontal groove opened in the intermediate plate. The inner half of the top support member in the initial position is snapped in the snap-fit ​​groove. An abutting plate that abuts against the outer end face of the top support member is fixedly installed on the upper end of the intermediate cylinder. A chamfered structure is provided on the lower side of the outer end of the top support member.

[0016] As a preferred embodiment of the present invention, the rotating component includes an electrically driven rotating disk, which is installed inside the intermediate cylinder. A rotating ring is installed on the outside of the electrically driven rotating disk. Guide grooves are evenly opened along the circumference of the rotating ring. A connector is horizontally rotatably provided at the lower end of the rotating ring, and the connector is connected to the top end of the supporting electric push rod.

[0017] As a preferred embodiment of the present invention, the position correction mechanism includes an arc-shaped frame, which is connected to the side wall of the intermediate cylinder via a connecting rod. A top support unit is provided in the middle of the arc-shaped frame, and a side correction unit that is pressed and cooperates with the top support unit is slidably disposed in the arc-shaped frame. The inner end of the top support unit is connected to a traction rod, which is horizontally slidably disposed inside the connecting rod. A cylinder is provided at the inner end of the traction rod, and the cylinder is slidably disposed in the guide groove.

[0018] As a preferred embodiment of the present invention, the top support unit includes a sleeve, an inner cylinder is slidably disposed inside the sleeve, the position between the sleeve and the inner cylinder is temporarily locked by a locking unit, an extension rod that cooperates with the locking unit is horizontally slidably disposed in the sleeve, a lower slide plate is installed at the outer end of the sleeve, a rollable ball is disposed on the outer surface of the lower slide plate, an extrusion member is sleeved on the outside of the sleeve, the inner end of the inner cylinder is installed at the outer end of the traction rod, and top support frames are symmetrically installed on the upper and lower side walls of the outer end of the traction rod.

[0019] As a preferred embodiment of the present invention, the locking unit includes a pressing block, which is longitudinally slidably disposed in a through groove opened in the side wall of the inner cylinder, and a snap-fit ​​block that cooperates with the pressing block is slidably disposed in an inner groove opened in the sleeve, and the inner groove and the snap-fit ​​block are elastically connected, and a drag-reducing roller that cooperates with the inclined surface of the pressing block is rolled at the corner position of the extension rod, and the extension rod and the inner cylinder are elastically connected.

[0020] As a preferred embodiment of the present invention, the extrusion member includes a sleeve, which is sleeved on the outside of the sleeve, and an extrusion roller corresponding to the position of the side correction unit is installed on the side wall of the sleeve.

[0021] As a preferred embodiment of the present invention, the side correction unit includes a positioning block, which is slidably disposed in an arc-shaped frame, and an extrusion head for extrusion and compression by an extrusion roller is installed at the inner end of the positioning block.

[0022] As a preferred embodiment of the present invention, the limiting pressing mechanism includes a limiting member, an extrusion rod is installed on the outer end face of the limiting member, the extrusion rod is horizontally slidably disposed in the connecting seat, and the extrusion rod and the connecting seat are elastically connected, and the upper end of the limiting member is electrically driven to slide up and down with a pressing member.

[0023] As a preferred embodiment of the present invention, the extrusion mechanism includes a linkage frame, which is installed between the lower end of the rotating ring and the extrusion arc plate.

[0024] As a preferred embodiment of the present invention, the support mechanism includes a support plate, and a connecting column connects the support plate to the base.

[0025] In summary, this application includes the following beneficial technical effects: 1. The heat-conducting grooves inside the rotor can quickly conduct the heat generated by the high-speed rotation of the rotor, and the chamfered structure at the front and rear ends of the heat-conducting grooves prevents heat accumulation. Combined with the double-layer protective coating on the outer surface of the rotor, it can not only isolate the high temperature and protect the rotor body, but also prevent corrosion and aging, effectively preventing the rotor from losing rotational stability due to high temperature. The heat dissipation performance is significantly improved, ensuring operational stability. In addition, the uniformly arranged stamped heat dissipation channels on the outer edge of the annular iron core of the stator core greatly increase the heat dissipation area and accelerate the heat dissipation of the stator core; 2. The uniformly arranged recessed self-locking pits on the annular iron core can achieve precise positioning and firm connection of silicon steel sheets through the interlocking of the pits during the stacking process, eliminating the need for traditional welding or bolt fixing processes, simplifying the assembly process, avoiding assembly errors, and improving the overall integrity of the stator core; 3. The positioning mechanism has dual functions of "stamping support" and "falling guidance": during stamping, the closed support plate and the intermediate plate jointly support the silicon steel sheets to avoid stamping deformation; after stamping, the support plate slides outward to disengage from the support, and at the same time, the positioning component passes through U The type of clamping component forms an outward-expanding clamping connection with the inner hole of the annular iron core, guiding the annular iron core to be accurately fitted into the intermediate cylinder along a preset path, solving the problem of silicon steel sheet falling and shifting in traditional stacking; 4. The position correction mechanism and the limiting pressing mechanism ensure the stacking accuracy of the annular iron core through "multiple internal and external corrections". First, the top support unit achieves three-point outward expansion support for the inner wall of the annular iron core, reducing the radial offset or misalignment of the annular iron core. Subsequently, the limiting pressing mechanism limits the outer side of the annular iron core, further limiting the position. After the position is limited, pressure is applied to perform gravity stacking operation. Attached Figure Description

[0026] Figure 1 is a structural schematic diagram of the rotor core component of the present invention; Figure 2 is a structural schematic diagram of the annular core and assembly device of the present invention; Figure 3 is a right view of the assembly device of the present invention; Figure 4 is a sectional view AA of Figure 3 of the present invention; Figure 5 is a partial schematic diagram of Figure 4 of the present invention; Figure 6 is a partial enlarged view at point X of Figure 5 of the present invention; Figure 7 is a sectional view BB of Figure 3 of the present invention; Figure 8 is a partial schematic diagram of Figure 7 of the present invention; Figure 9 is a structural schematic diagram of the annular core, base, intermediate cylinder, rotating component, position correction mechanism, limiting pressing mechanism, extrusion mechanism, supporting electric push rod, sliding column, and supporting mechanism of the present invention; Figure 10 is a schematic diagram of the position of the silicon steel sheet being conveyed in the present invention.

[0027] Explanation of reference numerals in the attached drawings: 1. Rotor component; 11. Rotor; 12. Heat conduction groove; 2. Stator core; 21. Annular core; 22. Self-locking recess; 23. Heat dissipation duct; 3. Base; 31. Support column; 32. Working platform; 4. Stamping die; 41. Stamping head; 42. Lifting electric push rod; 5. Positioning mechanism; 51. Sealing assembly; 511. Support plate; 512. Lateral electric push rod; 52. Positioning assembly; 521. Intermediate plate; 522. Positioning component; 5221. U 5222, clamping rod; 523, pressing head; 524, snap-fit ​​unit; 5241, snap-fit ​​component; 5242, top support component; 5243, abutment plate; 53, electric drive push rod; 6, intermediate cylinder; 61, support platform; 7, rotating component; 71, electric drive rotating disk; 72, rotating ring; 73, guide groove; 74, connector; 8, position correction mechanism; 81, arc frame; 82, connecting rod; 83, top support unit; 831, sleeve; 832, inner cylinder; 833, locking unit; 8331. 8332. Extrusion block; 8333. Snap-fit ​​block; 8334. Drag-reducing roller; 835. Extending rod; 836. Lower slide plate; 837. Extrusion part; 8361. Sleeve part; 8362. Extrusion roller; 837. Top support frame; 84. Side straightening unit; 841. Positioning block; 842. Extrusion head; 85. Traction rod; 86. Cylindrical part; 9. Limiting pressing mechanism; 91. Limiting part; 92. Extrusion rod; 93. Connecting seat; 94. Pressing part; 10. Extrusion mechanism; 101. Linkage frame; 102. Extrusion arc plate; 1 3. Support mechanism; 131. Support plate; 132. Connecting column; 31. Drag-reducing roller; 51. Pressure block; 52. Extrusion head; 53. Top support groove; 54. Limiting head; 55. Adjusting screw; 56. Fixing frame; 511. Connecting part; 71. Adjusting unit; 72. Connecting plate; 73. Positioning unit; 74. Pushing unit; 711. Pressure rod; 712. Locking groove; 713. Locking rod; 714. Reset part; 715. Limiting part; 716. Threaded part; 717. Sliding head; 718. Pressure plate; 719. Push sleeve; 720. Spring sleeve; 731. Wrapping component; 732. Base plate; 733. Spring telescopic rod; 734. Positioning component; 735. Limiting plate; 736. Snap-fit ​​component; 737. Ball bearing; 738. Snap-fit ​​groove; 739. Unlocking component; 741. Push component; 742. Rack frame; 743. Rack; 744. Gear; 745. Push rod; 81. Track frame; 82. Sliding plate; 83. Electric turntable; 84. Positioning plate; 111. Support electric push rod; 112. Sliding column. Detailed Implementation

[0028] The present application will be further described in detail below with reference to Figures 1 to 10.

[0029] As shown in Figure 1, this application discloses a rotor core component, including a rotor component 1 and a stator core 2. The stator core 2 is coaxially sleeved on the radial outer side of the rotor component 1, and an air gap is formed between the rotor component 1 and the stator core 2 to ensure that the rotor component 1 can rotate freely and avoid mechanical friction with the stator core 2.

[0030] Referring to Figure 1, the rotor component 1 is formed by stacking several sets of rotors 11 along the axial direction. The rotor 11 is stamped from silicon steel sheets. The rotor 11 has a heat conduction groove 12 inside. Both ends of the heat conduction groove 12 have chamfered structures, i.e., both ends along the axial direction, which can conduct the heat generated by the rotor component 1 during operation. The outer surface of the rotor 11 is covered with a double protective coating. The inner layer is a chrome-plated corrosion-resistant coating for rust and corrosion prevention, and the outer layer is a ceramic high-temperature resistant coating for isolating high temperature and protecting the rotor itself from high temperature.

[0031] Referring to Figure 1, the stator core 2 is formed by stacking several sets of annular cores 21 axially. The annular cores 21 are stamped from silicon steel sheets. The annular cores 21 have uniformly arranged recessed self-locking recesses 22. During the stacking process, the interlocking of these self-locking recesses 22 enables precise positioning and secure connection between the second silicon steel sheets 21, eliminating the need for traditional welding or bolt fixing processes and simplifying the assembly process. The outer edge of the annular core 21 has uniformly arranged stamped heat dissipation channels 23, increasing the heat dissipation area and effectively improving the heat dissipation capacity of the component. The outer surface of the annular core 21 is covered with a double-layer coating: an inner layer of silicate heat-insulating coating 61, whose main function is heat insulation, preventing heat from the rotor from affecting the stator core and its coils; and an outer layer of organic insulating varnish coating 62, whose main function is insulation, ensuring the electrical safety of the motor. The annular core 21 has uniformly arranged concave semi-circular grooves around its perimeter. These grooves, after stacking, form a channel, further enhancing the overall structural rigidity of the core.

[0032] Referring to Figures 2 to 4, 7, and 10, to achieve efficient and precise assembly of the stator core, this application also discloses a supporting assembly device. This assembly device achieves the positioning, correction, stacking, and fixing of silicon steel sheets through the coordinated operation of multiple mechanisms. The specific structure and working principle are as follows: The assembly device includes a base 3, a support column 31, a working platform 32, a stamping die 4, a positioning mechanism 5, an intermediate cylinder 6, a rotating component 7, a position correction mechanism 8, a limiting pressing mechanism 9, a pressing mechanism 10, a supporting electric push rod 111, a sliding column 112, and a supporting mechanism 13. The base 3 is connected to the working platform 32 through the support column 31. The stamping die 4 is installed at the upper end of the working platform 32. The stator core is located below the stamping die 4. Positioning mechanism 5 is set in working platform 32. The intermediate cylinder 6 is electrically driven to rotate and is equipped with rotating component 7. The intermediate cylinder 6 is installed on support platform 61. Position correction mechanism 8 is evenly arranged around the periphery of the intermediate cylinder 6. The rotating component 7 controls the position correction mechanism 8 to perform structural adjustment, thereby correcting the internal position of the superimposed annular iron core 21. Limiting pressing mechanism 9 is installed on the outer side of support platform 61. Extrusion mechanism 10, which works in conjunction with limiting pressing mechanism 9, is installed on rotating component 7. Support electric push rod 111 is installed between rotating component 7 and support platform 61. Support platform 61 is slidably mounted on sliding column 112. The lower end of sliding column 112 is installed on base 3. Support mechanism 13 is installed on base 3.

[0033] During the actual assembly of the stator core 2, the silicon steel sheets are traction-transported between the stamping die 4 and the working platform 32 using existing traction and conveying technology (as shown in Figure 10). The conveying is briefly stopped during stamping of the silicon steel sheets, and the stamping die 4 is used to stamp the silicon steel sheets, forming the shape of the annular core 21. After stamping, the positioning mechanism 5 initially positions the annular core 21 to ensure its stable descent, thus ensuring the smooth progress of subsequent stacking work. The annular core 21 falls and is fitted onto the intermediate cylinder 6. The above operation is repeated to stamp out a suitable number of annular cores 21 and stack them. Then, the rotating component 7 controls the position correction mechanism 8 to adjust the structure, thereby correcting the internal position of the stacked annular cores 21. Subsequently, the rotating component 7 continues to rotate, and the synchronously rotating pressing mechanism 10 presses and limits the pressing mechanism 9, causing it to move towards the center until it abuts against the concave semi-circular groove opened in the annular core 21. At this point, the relative positional accuracy between the various annular iron cores 21 is improved, reducing the possibility of offset or misalignment. Next, the stacked annular iron cores 21 are pressed down by the limiting pressing mechanism 9, thus completing the stacking process. After forming, the position correction mechanism 8 and the limiting pressing mechanism 9 are reset. The supporting electric push rod 111 drives the intermediate cylinder 6, rotating component 7, position correction mechanism 8, limiting pressing mechanism 9, and extrusion mechanism 10 to descend as a whole, while the height of the supporting mechanism 13 remains unchanged. At this point, the formed stator iron core 2, placed above the supporting mechanism 13, gradually emerges. When it descends to its lowest position, the stator iron core 2 is fully exposed and can be easily removed. Throughout the assembly process, the various mechanisms work together to achieve the positioning, correction, stacking, and fixing of the silicon steel sheets. This efficient and precise assembly method significantly improves the assembly quality and efficiency of the rotor assembly, especially the stator iron core 2, reduces errors and labor intensity from manual operation, and provides strong support for motor manufacturing.

[0034] Referring to Figure 2, the stamping die 4 includes a lifting seat, on which a stamping head 41 is installed. The stamping head 41 is an existing die. The silicon steel sheet is stamped by the stamping head 41 to obtain the required shape. It should be noted that the self-locking recess 22 is also obtained by stamping. A lifting electric push rod 42 is connected between the lifting seat and the working platform 32. The lifting electric push rod 42 is existing technology, and its movement trajectory is linear.

[0035] Referring to Figures 2 and 8, to accommodate the smooth descent of the silicon steel sheet after stamping, this application designs the middle part of the work platform 32 as a slotted structure. However, the lower part of the silicon steel sheet needs stable support during the stamping process to avoid deformation. Therefore, this application specially sets up a positioning mechanism 5, which can simultaneously achieve dual functions: on the one hand, it forms reliable support for the lower part of the silicon steel sheet during stamping to ensure stamping accuracy and the structural integrity of the silicon steel sheet; on the other hand, it can guide the stamped silicon steel sheet to fall stably along a preset path to ensure the continuity of subsequent stacking processes. The specific structure is as follows: the positioning mechanism 5 includes a sealing component 51. The sealing components 51 are symmetrically arranged at the left and right ends of the work platform 32. A positioning component 52 is arranged between the sealing components 51. An electric drive push rod 53 is connected between the positioning component 52 and the intermediate cylinder 6.

[0036] Referring to FIG2, the sealing assembly 51 includes a support plate 511, which is slidably disposed in a sliding groove opened inside the working platform 32. A transverse electric push rod 512 is connected between the support plate 511 and the sliding groove. Both the electric push rod 53 and the transverse electric push rod 512 are existing technologies, and their movement trajectory is linear.

[0037] Referring to Figure 8, the positioning component 52 includes an intermediate disk 521. The intermediate disk 521 has a storage groove inside. A positioning member 522 is symmetrically slidably arranged inside the storage groove. An extrusion head 523, which is used to press and cooperate with the positioning member 522, is slidably arranged in the middle of the storage groove. An electric drive push rod 53 is connected between the extrusion head 523 and the intermediate cylinder 6. The position between the extrusion head 523 and the intermediate disk 521 is temporarily locked by a snap-fit ​​unit 524. The upper surface of the intermediate disk 521 at the initial height is at the same level as the support plate 511.

[0038] Referring to FIG8, the positioning component 522 includes a U-shaped clip 5221. A pressure rod 5222 is installed on the inner end of the U-shaped clip 5221. The pressure rod 5222 is horizontally slidably disposed in the storage groove. The U-shaped clip 5221 and the storage groove are elastically connected. The inner end slope of the pressure rod 5222 and the rounded corner of the extrusion head 523 are used for extrusion engagement.

[0039] Referring to FIG8, the snap-fit ​​unit 524 includes a snap-fit ​​member 5241, which is elastically slidably connected to a snap-fit ​​groove opened in the side wall of the extrusion head 523. A top support member 5242, which cooperates with the snap-fit ​​member 5241, is horizontally slidably disposed in a horizontal groove opened in the intermediate plate 521. The inner half of the top support member 5242 in the initial position is snapped into the snap-fit ​​groove. An abutting plate 5243 that abuts against the outer end face of the top support member 5242 is fixedly installed on the upper end of the intermediate cylinder 6. A chamfered structure is provided on the lower side of the outer end of the top support member 5242.

[0040] During the actual stamping of silicon steel sheets, the closed support plate 511 and the intermediate plate 521 together provide stable support for the lower part of the silicon steel sheet, preventing deformation due to uneven stress during stamping. Subsequently, the lifting electric push rod 42 of the stamping die 4 drives the lifting seat to descend, causing the stamping head 41 to apply a preset pressure to the silicon steel sheet, stamping the silicon steel sheet into a ring-shaped iron core. After a single stamping is completed, the positioning mechanism 5 enters the "support release - iron core transfer" stage. In the first stage, the transverse electric push rod 512 drives the two side support plates 511 to slide outward, gradually disengaging from the lower support area of ​​the annular iron core. At the same time, the electric drive push rod 53 synchronously drives the extrusion head 523 and the intermediate plate 521 to move upward. The diameter of the intermediate plate 521 is less than or equal to the inner diameter of the annular iron core, allowing it to smoothly penetrate the middle inner hole of the annular iron core. During this process, the extrusion head 523 and the intermediate plate 521 are temporarily locked in position through the snap-fit ​​unit 524, ensuring that the two rise and fall synchronously. As the intermediate plate 521 continues to rise, the height of its upper end face gradually exceeds the upper end face of the annular iron core. When the top support 5242 rises with the intermediate plate 521 to the point of disengaging from the limit range of the abutment plate 5243, the snap-fit ​​member 5241 pops out under its own elasticity, pushing the top support 5242 out of the snap-fit ​​groove of the extrusion head 523, thus releasing the locking state between the extrusion head 523 and the intermediate plate 521. At this time, the extrusion head 523 continues to rise relative to the intermediate disk 521. Its rounded corner structure extrudes the pressure rod 5222 of the positioning component 522, causing the U-shaped clamp 5221 to extend outward, ultimately forming an outward-opening clamping hold on the inside of the annular iron core. In this state, even if the support plate 511 has completely separated from the annular iron core, the annular iron core can still maintain a stable posture under the support of the intermediate disk 521 and the clamping action of the U-shaped clamp 5221, and will not fall immediately due to loss of support. Subsequently, the electric drive push rod 53 drives the extrusion head 523 and the intermediate disk 521 to descend synchronously. When the intermediate disk 521 descends to the initial height, the lower end of the intermediate disk 521 is supported and limited again by the abutment plate 5243, the positioning mechanism 5 is reset as a whole, and the U-shaped clamp 5221 retracts under the pulling force of the elastic element, releasing the clamping action on the inner hole of the annular iron core. The annular iron core then falls vertically and is accurately fitted onto the intermediate cylinder 6.

[0041] It is particularly important to note that the inner hole locking function of the U-shaped clamp 5221 is crucial: without this structure, when the two side support plates 511 slide outward and disengage from the support state, the annular core will shift due to the loss of radial constraint, making it impossible to accurately fit into the intermediate cylinder 6 in subsequent processes, thus directly affecting the stacking and assembly accuracy of the stator core 2. Referring to Figures 4 to 5 and Figure 7, the rotating component 7 includes an electrically driven rotating disk 71, which is installed inside the intermediate cylinder 6. A rotating ring 72 is installed on the outside of the electrically driven rotating disk 71. The electrically driven rotating disk 71 is existing technology, and it is a device that achieves disk rotation through electric drive. The turntable rotates smoothly via a transmission device such as a gear, chain, or belt. The rotating ring 72 has guide grooves 73 evenly distributed around its circumference. A connector 74 is horizontally rotatably mounted at the lower end of the rotating ring 72. The connector 74 is connected to the top end of the supporting electric push rod 111. The guide groove 73 consists of a connecting groove and a groove of the same diameter. The radial distance from the connecting groove to the axis of the rotating ring 72 increases counterclockwise, ensuring that the traction rod 85 gradually moves outward during rotation. The radial distance from the groove of the same diameter to the axis of the rotating ring 72 remains equal. At this time, the position of the traction rod 85 remains stationary. When the cylinder 86 slides into the groove of the same diameter, it indicates that the position correction mechanism 8 has completed the internal support correction. At this time, the pressing mechanism 10 begins to cooperate with the limiting pressing mechanism 9.

[0042] Referring to Figures 5 and 6, the position correction mechanism 8 includes an arc-shaped frame 81, which is connected to the side wall of the intermediate cylinder 6 via a connecting rod 82. A top support unit 83 is provided in the middle of the arc-shaped frame 81, and a side correction unit 84, which is used in compression cooperation with the top support unit 83, is slidably disposed in the arc-shaped frame 81. The inner end of the top support unit 83 is connected to a traction rod 85, which is horizontally slidably disposed inside the connecting rod 82. A cylinder 86 is provided at the inner end of the traction rod 85, and the cylinder 86 is slidably disposed in the guide groove 73.

[0043] Referring to Figures 5 and 6, the top support unit 83 includes a sleeve 831, an inner cylinder 832 slidably disposed inside the sleeve 831, and the position between the sleeve 831 and the inner cylinder 832 is temporarily locked by a locking unit 833. An extension rod 834, which works in conjunction with the locking unit 833, is horizontally slidably disposed in the sleeve 831. A sliding plate 835 is installed on the outer end of the sleeve 831, and the outer surface of the sliding plate 835 is provided with rolling balls to reduce the resistance when the annular iron core 21 falls. An extrusion member 836 is sleeved on the outside of the sleeve 831. The inner end of the inner cylinder 832 is installed on the outer end of the traction rod 85. Top support frames 837 are symmetrically installed on the upper and lower side walls of the outer end of the traction rod 85. The top support frames 837 can subsequently push the extrusion member 836 to move outward.

[0044] Referring to Figure 6, the locking unit 833 includes a pressing block 8331, which is longitudinally slidably disposed in a through groove opened in the side wall of the inner cylinder 832. A snap-fit ​​block 8332, which cooperates with the pressing block 8331, is slidably disposed in an internal groove opened in the sleeve 831, and the internal groove and the snap-fit ​​block 8332 are elastically connected. A drag-reducing roller 8333, which cooperates with the inclined surface of the pressing block 8331, is rotatably disposed at the corner position of the extension rod 834, and the extension rod 834 is elastically connected to the inner cylinder 832. When the snap-fit ​​block 8332 is in its initial position... Its inner half is inserted into the through groove to lock the positions of the sleeve 831 and the inner cylinder 832, ensuring that the top support unit 83 prioritizes the internal correction of the annular iron core 21. Subsequently, after the extension rod 834 abuts against it, it generates a squeezing motion with the extrusion block 8331, thereby helping the locking block 8332 to disengage from the through groove. At this time, the positions of the sleeve 831 and the inner cylinder 832 are unlocked. The traction rod 85, which continues to move, drives the top support frame 837 to push the extrusion piece 836, thereby pushing the side correction unit 84 to further correct the internal position of the annular iron core 21.

[0045] Referring to FIG5, the extrusion member 836 includes a sleeve member 8361, which is sleeved on the outside of the sleeve 831. The side wall of the sleeve member 8361 is equipped with an extrusion roller 8362 corresponding to the position of the side correction unit 84, thereby reducing the extrusion resistance.

[0046] Referring to FIG5, the side correction unit 84 includes a positioning block 841, which is slidably disposed in the arc frame 81. An extrusion head 842 for extrusion and cooperation with the extrusion roller 8362 is installed at the inner end of the positioning block 841.

[0047] During the position correction operation inside the annular core 21, the electric drive rotating disk 71 first drives the rotating ring 72 to rotate clockwise. With the sliding guidance of the guide groove 73 and the cylinder 86, the traction rod 85 drives the top support unit 83 to move outward as a whole until the outer end of the extension rod 834 presses against the inner wall of the annular core 21 and stops moving. At this time, the sleeve 831, the inner cylinder 832 and the traction rod 85 continue to move outward and generate relative motion. The inner end of the extension rod 834 is pressed against the inclined surface of the pressing block 8331 by the drag-reducing roller 8333, causing the pressing blocks 8331 on both sides to move in opposite directions, thereby pushing the locking block 8332 out of the through groove, realizing the unlocking of the position of the sleeve 831 and the inner cylinder 832. Subsequently, the sliding plate 835 abuts against the inner wall of the annular iron core 21, and the traction rod 85 simultaneously drives the top support frame 837 to push the extrusion member 836. The extrusion member 836 extrudes the extrusion head 842, causing the positioning block 841 to move synchronously to further correct the position of the annular iron core 21. Finally, through the extended sliding plate 835 and the positioning block 841, the double orientation correction of the inner side of the annular iron core 21 is completed.

[0048] Referring to Figures 5 and 9, the limiting pressing mechanism 9 includes a limiting member 91, a pressing rod 92 is installed on the outer end face of the limiting member 91, the pressing rod 92 is horizontally slidably disposed in the connecting seat 93, and the pressing rod 92 and the connecting seat 93 are elastically connected, and a pressing member 94 is slidably disposed on the upper end of the limiting member 91 by means of electric drive.

[0049] Referring to FIG4, the extrusion mechanism 10 includes a linkage frame 101, which is installed between the lower end of the rotating ring 72 and the extrusion arc plate 102.

[0050] Referring to FIG2, the support mechanism 13 includes a support plate 131, and a connecting column 132 is connected between the support plate 131 and the base 3.

[0051] After the position correction mechanism 8 completes its operation, the rotating component 7 continues to rotate, driving the extrusion arc plate 102 through the linkage frame 101, causing the limiting component 91 to move inward and finally embed into the concave semi-circular groove. At this time, the pressing component 94 is exactly above the edge of the stacked annular iron core 21, and then moves downward to press down on the calibrated annular iron core 21, so that it is stacked under the action of gravity to form the stator iron core 2. After forming, the support electric push rod 111 is activated, driving the intermediate cylinder 6, rotating component 7, position correction mechanism 8, limiting pressing mechanism 9 and extrusion mechanism 10 to move down as a whole, while the support plate 131 maintains its original height. During this downward movement, the formed stator iron core 2 above the support plate 131 gradually becomes visible, and is fully exposed when it reaches the lowest position, making it easy to remove.

[0052] The foregoing has only described certain exemplary embodiments of the present invention by way of illustration. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the foregoing drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A rotor core component, characterized in that, include: Rotor components; The stator core is coaxially sleeved on the radially outer side of the rotor assembly, and an air gap is formed between the rotor assembly and the stator core. The rotor assembly is formed by stacking several sets of rotors axially. The rotor has heat-conducting grooves inside, and both ends of the heat-conducting grooves have chamfered structures. The outer surface of the rotor is covered with a double-layer protective coating. The stator core is formed by stacking several sets of annular cores axially. The annular cores have evenly distributed recessed self-locking pits. The outer edge of the annular cores has evenly distributed stamped heat dissipation channels. The outer surface of the annular cores is covered with a double-layer coating. The annular cores have evenly distributed concave semi-circular grooves around their perimeter. The stator cores used to manufacture the rotor assembly require an assembly device. The assembly device includes: a base, which is connected to the work platform via a support column; a stamping die, which is installed at the upper end of the work platform, and a positioning mechanism located below the stamping die is set in the work platform. The intermediate cylinder has an internally electrically driven rotating component. The intermediate cylinder is mounted on a support platform. Position correction mechanisms are evenly distributed around the circumference of the intermediate cylinder. The rotating component controls the position correction mechanisms to perform structural adjustments, thereby correcting the internal position of the stacked annular iron core. A limiting pressing mechanism is installed on the outer side of the support platform. A pressing mechanism that works in conjunction with the limiting pressing mechanism is mounted on the rotating component. A supporting electric push rod is installed between the rotating component and the support platform. The support platform slides up and down on a sliding column, the lower end of which is mounted on a base. A support mechanism is mounted on the base.

2. A rotor core component according to claim 1, characterized in that, The stamping die includes a lifting base, on which a stamping head is mounted, and a lifting electric push rod is connected between the lifting base and the work platform.

3. A rotor core component according to claim 1, characterized in that, The positioning mechanism includes a sealing component. Sealing components are symmetrically arranged at the left and right ends of the working platform. Positioning components are arranged between the sealing components. An electric drive push rod is connected between the positioning components and the intermediate cylinder.

4. A rotor core component according to claim 3, characterized in that, The sealing assembly includes a support plate, which is slidably disposed in a sliding groove inside the working platform, and a transverse electric push rod is connected between the support plate and the sliding groove.

5. A rotor core component according to claim 4, characterized in that, The positioning assembly includes an intermediate disk with a storage groove inside. Positioning components are symmetrically slidably arranged inside the storage groove. An extrusion head, which engages with the positioning components, is slidably positioned in the middle of the storage groove. An electrically driven push rod connects the extrusion head and the intermediate cylinder. The position between the extrusion head and the intermediate disk is temporarily locked by a snap-fit ​​unit. The positioning component includes a U-shaped clip with a pressure rod installed at its inner end. The pressure rod is horizontally slidably positioned in the storage groove. The U-shaped clip and the storage groove are elastically connected. The inner inclined surface of the pressure rod engages with the rounded corner of the extrusion head. The snap-fit ​​unit includes a snap-fit ​​component that is elastically slidably connected to a snap-fit ​​groove on the side wall of the extrusion head. A top support component, which engages with the snap-fit ​​component, is horizontally slidably positioned in a horizontal groove on the intermediate disk. The inner half of the top support component in its initial position is snapped into the snap-fit ​​groove. A stop plate abutting against the outer end face of the top support component is fixedly installed at the upper end of the intermediate cylinder. The lower side of the outer end of the top support component has a chamfered structure.

6. A rotor core component according to claim 1, characterized in that, The rotating component includes an electrically driven rotating disk, which is installed inside the intermediate cylinder. A rotating ring is installed on the outside of the electrically driven rotating disk. Guide grooves are evenly opened along the circumference of the rotating ring. A connector is horizontally rotatably provided at the lower end of the rotating ring, and the connector is connected to the top end of the supporting electric push rod.

7. A rotor core component according to claim 6, characterized in that, The position correction mechanism includes an arc-shaped frame, which is connected to the side wall of the intermediate cylinder via a connecting rod. A top support unit is provided in the middle of the arc-shaped frame. A side correction unit that is pressed and cooperates with the top support unit is slidably disposed in the arc-shaped frame. The inner end of the top support unit is connected to a traction rod. The traction rod is horizontally slidably disposed inside the connecting rod. A cylinder is provided at the inner end of the traction rod, and the cylinder is slidably disposed in the guide groove.

8. A rotor core component according to claim 7, characterized in that, The top support unit includes a sleeve, inside which an inner cylinder is slidably disposed. The position between the sleeve and the inner cylinder is temporarily locked by a locking unit. An extension rod, which cooperates with the locking unit, is horizontally slidably disposed in the sleeve. A lower sliding plate is installed at the outer end of the sleeve, and the outer surface of the lower sliding plate is provided with rollable balls. An extrusion member is fitted on the outside of the sleeve. The inner end of the inner cylinder is installed at the outer end of the traction rod. Top support frames are symmetrically installed on the upper and lower side walls of the outer end of the traction rod. The locking unit includes an extrusion block, which is longitudinally slidably disposed in a through groove opened in the side wall of the inner cylinder, and cooperates with the extrusion member. The locking block, which is used in conjunction with the extrusion block, is slidably disposed in the built-in groove of the sleeve, and the built-in groove and the locking block are elastically connected. The drag-reducing roller, which is used in conjunction with the inclined surface of the extrusion block, is rolled at the corner position of the extension rod, and the extension rod and the inner cylinder are elastically connected. The extrusion component includes a sleeve, which is sleeved on the outside of the sleeve. The side wall of the sleeve is equipped with an extrusion roller corresponding to the position of the side correction unit. The side correction unit includes a positioning block, which is slidably disposed in the arc frame. The inner end of the positioning block is equipped with an extrusion head that is used in conjunction with the extrusion roller.

9. A rotor core component according to claim 6, characterized in that, The limiting pressing mechanism includes a limiting member, an extrusion rod is installed on the outer end face of the limiting member, the extrusion rod is horizontally slidably disposed in the connecting seat, and the extrusion rod and the connecting seat are elastically connected, and the upper end of the limiting member is electrically driven to slide up and down with a pressing member; the extrusion mechanism includes a linkage frame, which is installed between the lower end of the rotating ring and the extrusion arc plate.

10. A rotor core component according to claim 1, characterized in that, The support mechanism includes a support plate, and a connecting column connects the support plate to the base.

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