A casing magnetic steel inserting device

By designing the enclosure magnetic steel device, the automatic surface-mounted installation of the permanent magnet motor rotor magnetic steel sheet is realized, which solves the problems of low assembly efficiency and unstable quality in the prior art, and improves the assembly efficiency and quality stability.

CN119362814BActive Publication Date: 2025-04-29NINGBO NIDA TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202411918310.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2025-04-29
Estimated Expiration
2044-12-25

AI Technical Summary

Technical Problem

The prior art is difficult to realize the automatic surface-mount installation of permanent magnet motor rotor magnetic sheets, resulting in low assembly efficiency and unstable quality.

Method used

A casing magnetic steel device is designed, including a working platform, a positioning seat, a magnetic steel loading mechanism, a first pressing mechanism and an installation mechanism. Through these mechanisms, the automatic loading, pressing and installation of the magnetic steel sheet is realized to ensure that the magnetic steel sheet is automatically installed on the outside of the stator core in an internally attached manner.

Benefits of technology

Automatic assembly of magnetic steel sheets and stator components is realized, assembly efficiency and quality stability are improved, and uniform mounting of magnetic steel sheets and stable connection of stator housing is ensured.

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Abstract

The present application relates to a device for inserting magnetic steel into a casing, and belongs to the technical field of magnetic steel assembly. The device for inserting magnetic steel into a casing includes a working platform, a positioning seat slidably mounted on the working platform and for placing a stator, a magnetic steel feeding mechanism for feeding N-grade magnetic steel sheets and S-grade magnetic steel sheets, a first pressing mechanism slidably arranged on the working platform and for receiving the magnetic steel sheets of the magnetic steel feeding mechanism, a second pressing mechanism for pressing the magnetic steel sheets, and an installation mechanism for installing the casing. The working platform is provided with a conveying module for driving the positioning seat to slide, and the first pressing mechanism, the second pressing mechanism, and the installation mechanism are arranged at intervals along the axial direction of the conveying module. The present application realizes the automated surface mounting installation of magnetic steel sheets.
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Description

Technical Field

[0001] The present application relates to the technical field of magnetic steel assembly, and in particular to a housing magnetic steel insertion device. Background Art

[0002] With the continuous improvement of permanent magnet material performance and the development of motor technology, permanent magnet motors have been widely used in various fields of the national economy, and the rotor is an important component of the permanent magnet motor. The rotor of a permanent magnet motor is usually equipped with an iron core and magnetic steel sheets, and the magnetic steel sheets mainly have two assembly structures: surface mount and embedded.

[0003] Reference Figure 1 The stator assembly generally includes a stator frame and a stator core. The outer side of the stator frame is provided with mounting grooves for placing magnetic steel sheets at intervals along the circumferential direction of the axis. N-grade magnetic steel sheets and S-grade magnetic steel sheets are symmetrically installed in the mounting grooves. The mounting grooves and the stator core are arranged one by one. The Chinese invention patent with publication number CN113210186A discloses an automatic patch system for motor rotor assemblies, which includes a magnetic steel supply part for providing N-pole magnetic steel sheets and S-pole magnetic steel sheets, a magnetic steel selection part, a magnetic steel installation part, a glue-coated quick-drying ventilation part, and an installation and fixing part. The patch system can evenly apply glue to the magnetic steel sheets, and then evenly mount the magnetic steel sheets.

[0004] In response to the above-mentioned related technologies, the present application provides another magnetic steel assembly device that can automatically realize the surface mounting installation of magnetic steel sheets. Summary of the invention

[0005] In order to realize the automated surface mounting installation of magnetic steel sheets, the present application provides a casing magnetic steel insertion device.

[0006] The present application provides a housing magnetic steel insertion device that adopts the following technical solution:

[0007] A housing magnetic steel insertion device, comprising a working platform, a positioning seat slidably mounted on the working platform and for placing a stator assembly, a magnetic steel feeding mechanism for feeding N-grade magnetic steel sheets and S-grade magnetic steel sheets, a first pressing mechanism slidably mounted on the working platform and for receiving the magnetic steel sheets of the magnetic steel feeding mechanism, a second pressing mechanism for pressing the magnetic steel sheets, and an installation mechanism for installing the housing, wherein the working platform is provided with a positioning and conveying module for driving the positioning seat to slide, and the first pressing mechanism, the second pressing mechanism, and the installation mechanism are arranged at intervals along the axial direction of the positioning and conveying module;

[0008] The first press-fitting mechanism comprises a press-fitting conveying module, a first press-fitting bracket slidably mounted on the press-fitting conveying module, a press-fitting assembly arranged on the first press-fitting bracket, a press-fitting rotating member driving the press-fitting assembly to rotate, and a first press-fitting lifting member driving the press-fitting assembly to rise and fall;

[0009] The press-fitting assembly includes a press-fitting head fixed to the output shaft of the press-fitting rotating part, a press-fitting ring sleeved on the press-fitting rotating part, a push rod circumferentially arranged on the press-fitting ring, and a second press-fitting lifting part that drives the push rod to rise and fall. The press-fitting head has a loading groove corresponding to the installation groove one by one, the push rod and the loading groove are arranged correspondingly, and the press-fitting head is provided with a suction block on the inner wall of the loading groove for adsorbing magnetic steel sheets.

[0010] By adopting the above technical solution, the N-grade magnetic steel sheets and the S-grade magnetic steel sheets are conveyed to the opposite sides of the first pressing mechanism through the feeding mechanism, the first pressing mechanism receives the two kinds of magnetic steel sheets, and then the first pressing mechanism slides to one side of the positioning seat to press the magnetic steel sheets onto the stator of the positioning seat, and the magnetic steel sheets are installed on the outside of the stator core in an internally attached manner; the positioning seat is slid, and the magnetic steel sheets are pressed by the second pressing mechanism. After the pressing operation is completed, the positioning seat is continued to be conveyed, and the housing is inserted into the outside of the magnetic steel sheets through the installation mechanism.

[0011] The press-fit assembly moves to the magnetic steel feeding mechanism, and the magnetic steel sheet is inserted into the press-fit assembly through the magnetic steel feeding mechanism. After completing a set of N-level and S-level plug-in, the press-fit assembly is horizontally rotated by the press-fit rotating member, and the plug-in of the magnetic steel sheet is repeated until the outer side of the press-fit assembly has a ring-shaped magnetic steel sheet. The press-fit assembly is then moved to the top of the positioning seat through the press-fit conveying module, and moved downward to the top of the positioning seat through the first press-fit lifting member and the magnetic steel sheet is simultaneously inserted into the mounting groove of the stator assembly.

[0012] The device of the present application can realize the automated assembly of magnetic steel sheets and stator components, and has high assembly efficiency.

[0013] Optionally, the magnetic steel feeding mechanism comprises a first feeding assembly and a second feeding assembly respectively arranged on both sides of the positioning and conveying module, the first feeding assembly is used for feeding N-grade magnetic steel sheets, and the second feeding assembly is used for feeding S-grade magnetic steel sheets;

[0014] The first loading assembly includes a first loading module, a magnetic steel placement frame slidably installed on the first loading module, a magnetic steel conveying track, a second loading module, and a first pushing member for pushing the magnetic steel sheet from the magnetic steel placement frame to the end of the magnetic steel conveying track. The structure of the second loading assembly is consistent with that of the first loading assembly.

[0015] By adopting the above technical scheme, the structural composition of the magnetic steel feeding mechanism is disclosed, and the two feeding components are used to convey N-grade magnetic steel sheets and S-grade magnetic steel sheets respectively. Taking the first feeding component as an example, the magnetic steel sheets are placed on the magnetic steel placement rack, and the first feeding module conveys the magnetic steel sheets to the position corresponding to the magnetic steel conveying track, and then pushes the magnetic steel sheets to the end of the magnetic steel conveying track through the first pushing member. The structure of the first feeding component is simple and easy to assemble.

[0016] Optionally, placement grooves for arranging magnetic steel sheets are arranged at intervals on the top of the magnetic steel placement rack along the sliding direction; the magnetic steel conveying track is parallel to the placement grooves and has a conveying opening corresponding to the placement grooves, and the magnetic steel conveying track is provided with a loading port at the end away from the magnetic steel placement rack, and the loading port is adapted to the thickness of a single magnetic steel sheet, and a second pushing member corresponding to the loading port is provided at the bottom of the magnetic steel conveying track, and the magnetic steel sheet is pushed upward by the second pushing member.

[0017] By adopting the above technical scheme, the structural composition of the first feeding assembly is further disclosed, the magnetic steel sheets are arranged in the placement slots of the magnetic steel placement rack, and the first pushing member pushes the magnetic steel sheets to the magnetic steel conveying track under the action of the second feeding module, so that the magnetic steel conveying track is filled with magnetic steel sheets, and the magnetic steel sheets at the end of the magnetic steel conveying track are lifted upward along the feeding port individually by the second pushing member. After the first pressing mechanism receives a magnetic steel sheet, it pushes the first pushing member again, so that the arranged magnetic steel sheets correspond to the feeding port again.

[0018] Optionally, the first loading component also includes a loading detection part, which includes a horizontally arranged loading pusher, a loading plate arranged on the output shaft of the loading pusher, a loading track arranged corresponding to the loading plate, and a recovery frame for receiving the magnetic steel sheet, and the magnetic steel conveying track has a loading through hole for the loading plate to pass through.

[0019] By adopting the above technical solution and detecting the setting of the blanking parts, the quality of the magnetic steel sheet can be detected. If the sensor detects that the magnetic steel sheet is wrong, the magnetic steel sheet at the end of the magnetic steel conveying track is pushed horizontally to the blanking track through the blanking pusher, and the magnetic steel sheet automatically slides along the blanking track to the recycling frame. By detecting the setting of the blanking parts, the quality of the product after assembly is improved.

[0020] Optionally, a positioning groove for placing the stator is provided on the top of the positioning seat, and mounting grooves for placing the magnetic steel sheets are provided at intervals along the circumferential direction of the axis on the outer side of the stator, the mounting grooves and the stator core are arranged in a one-to-one correspondence, and the depth of the mounting grooves in the radial direction is less than the thickness of the magnetic steel sheet;

[0021] The first press-fitting mechanism includes a press-fitting conveying module, a first press-fitting bracket slidably mounted on the press-fitting conveying module, a press-fitting assembly arranged on the first press-fitting bracket, a press-fitting rotating member driving the press-fitting assembly to rotate, and a first press-fitting lifting member driving the press-fitting assembly to rise and fall.

[0022] Optionally, the first loading assembly and the second loading assembly are symmetrically arranged along the axis of the press head, and the bottom of the press head is located above the magnetic steel conveying track. When the press assembly moves above the magnetic steel conveying track, the installation groove corresponds to the loading port.

[0023] Optionally, a clamping block and a positioning and lifting member for driving the clamping block to rise and fall are further provided at the bottom of the positioning seat, the outer wall of the clamping block is provided with a clamping ring surface, the inner side of the stator core has an abutment inclined surface matching the clamping ring surface, and when the clamping block rises vertically, the clamping block drives the stator core to slide in a radial direction; a placement hole is provided at the bottom of the stator core, and a plurality of placement holes of the stator core form an annular placement groove, and a reset elastic ring is provided in the annular placement groove.

[0024] By adopting the above technical solution, the clamping block and the positioning lifting member are arranged, so that when the stator casing is inserted into the stator core, the positioning lifting member is started to drive the clamping block to rise vertically, the clamping ring surface and the abutting inclined surface cooperate, and the stator core drives the magnetic steel sheet to extend outward in the radial direction, so that the magnetic steel sheet is squeezed and fits the inner wall of the stator casing, and has higher stability.

[0025] Optionally, the second press-fitting mechanism includes a second press-fitting bracket, a third press-fitting lifting member vertically arranged on the second press-fitting bracket, and a clamping cover arranged on the output shaft of the third press-fitting lifting member, and the inner diameter of the clamping cover is larger than the outer diameter of the stator.

[0026] By adopting the above technical scheme, the structural composition of the second press-fitting mechanism is disclosed. When the first press-fitting assembly initially inserts the magnetic steel sheet into the mounting groove of the stator, the clamping cover of the second press-fitting mechanism is used to completely insert the magnetic steel sheet so that the bottom of the magnetic steel sheet abuts against the positioning groove of the positioning seat.

[0027] Optionally, the mounting mechanism includes a mounting bracket, a first mounting module horizontally arranged on the mounting bracket, a second mounting module vertically arranged on the first mounting module, and two clamping components arranged on the second mounting module, the two clamping components are horizontally spaced apart, the two clamping components are respectively used to clamp the stator casing and the stator cover plate, and the outer edge of the stator cover plate has a limiting slot corresponding to the mounting groove one by one.

[0028] By adopting the above technical scheme, the structural composition of the installation mechanism is disclosed. When the positioning seat completes the fixed insertion of the magnetic steel sheet, the positioning seat moves to one side of the installation mechanism, and the stator housing is inserted into the outside of the stator core in turn through two clamping components, so that the stator housing and the magnetic steel sheet are interference-fitted, and the stator cover is inserted into the top of the stator housing. The limiting slots of the stator cover correspond to the magnetic steel sheet one by one, thereby improving the stability of the magnetic steel sheet and ensuring that the magnetic steel sheets are arranged at a certain spacing.

[0029] In summary, the present application includes at least one of the following beneficial technical effects:

[0030] The present application includes a working platform, a positioning seat, a magnetic steel feeding mechanism, a first pressing mechanism and an installation mechanism. The above-mentioned mechanisms are used to realize automatic feeding of magnetic steel sheets. The magnetic steel feeding mechanism inserts the magnetic steel sheets into the first pressing mechanism from bottom to top, and then the magnetic steel sheets are simultaneously inserted into the stator frame of the positioning seat through the first pressing mechanism. After that, the magnetic steel sheets are pressed by the second pressing mechanism, and finally the stator housing and the stator cover are installed on the stator frame to realize the assembly of the stator, with a high degree of automation and high assembly efficiency.

[0031] The present application can cooperate with the magnetic steel sheet inserted upward into the press-fitting head to achieve magnetic attraction through the setting of the suction block, thereby improving the stability of the magnetic steel sheet in the press-fitting head;

[0032] The present application starts the positioning lifting member by setting a clamping block, so that the clamping ring surface and the abutting inclined surface cooperate and abut, drive the stator core and the stator frame to move radially away from the central axis, and improve the connection stability of the stator frame and the stator housing. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic structural diagram of the stator assembly of an embodiment of the present application.

[0034] Figure 2 It is a schematic diagram of the overall structure of an embodiment of the present application.

[0035] Figure 3 It is a structural schematic diagram of the positioning and conveying module and the positioning seat according to an embodiment of the present application.

[0036] Figure 4 It is a structural schematic diagram of the magnetic steel feeding mechanism of the embodiment of the present application.

[0037] Figure 5 yes Figure 4 A local enlarged schematic diagram of point A in the middle.

[0038] Figure 6 It is a schematic diagram of the structure of the end of the magnetic steel conveyor track in an embodiment of the present application.

[0039] Figure 7 It is a schematic cross-sectional view of the magnetic steel conveying track in the vertical direction of the embodiment of the present application.

[0040] Figure 8 It is a structural schematic diagram of the first press-fitting mechanism of an embodiment of the present application.

[0041] Fig. 9 It is a cross-sectional schematic diagram of the first press-fitting mechanism of the embodiment of the present application.

[0042] Fig.10 It is a structural schematic diagram of the magnetic steel feeding mechanism and the first press-fitting mechanism in the embodiment of the present application cooperating to insert the magnetic steel sheets.

[0043] Fig.11 It is a structural schematic diagram of the second pressing mechanism and the installation mechanism of the embodiment of the present application.

[0044] Fig.12 It is a cross-sectional schematic diagram of the clamping block and the positioning lifting member of the embodiment of the present application.

[0045] Description of reference numerals: 1. working platform; 11. positioning and conveying module; 111. positioning slide rail; 112. positioning drive screw; 113. positioning drive member; 2. positioning seat; 21. positioning groove; 22. pressing block; 221. pressing annular surface; 23. positioning lifting member; 3. magnetic steel feeding mechanism; 31. first feeding assembly; 311. first feeding module; 312. magnetic steel placement rack; 3121. placement groove; 313. magnetic steel conveying track; 3131. pushing hole; 3132. conveying limit block; 3133. feeding port; 3134, material discharge through hole; 3135, position sensor; 314, second material feeding module; 315, first pusher; 3151, first push plate; 3152, slide rail slider group; 3153, push fixed block; 3154, rectangular spring; 316, second pusher; 3161, push rod; 32, second material feeding assembly; 33, material discharge detection member; 331, detection sensor; 332, material discharge pusher; 333, material discharge plate; 334, material discharge track; 335, recovery frame; 4, first press-fitting mechanism; 41, press-fitting Conveying module; 42, first press-fit bracket; 421, lifting plate; 422, fixing plate; 423, guide column; 43, press-fit assembly; 431, press-fit head; 4311, loading trough; 4312, suction block; 432, press-fit ring; 433, push rod; 434, second press-fit lifting member; 4341, connecting frame; 435, guide ring; 44, press-fit rotating member; 441, rotating motor; 442, transmission reducer; 443, rotating head; 45, first press-fit lifting member; 451, lifting frame; 5, second press-fit mechanism ; 51. Second press-fit bracket; 52. Third press-fit lifting member; 53. Pressing cover; 6. Mounting mechanism; 61. Mounting bracket; 62. First mounting module; 63. Second mounting module; 631. Mounting lifting plate; 64. Clamping assembly; 7. Stator assembly; 71. Stator frame; 711. Mounting groove; 7111. First section groove; 7112. Second section groove; 7113. Guide ramp; 72. Stator core; 721. Abutment ramp; 73. Stator housing; 74. Stator cover; 741. Limiting slot; 8. Magnetic steel sheet. DETAILED DESCRIPTION

[0046] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Since the embodiments disclosed in the present invention can be set in different directions, these terms indicating directions are only for illustration and should not be regarded as limitations. For example, "up" and "down" are not necessarily limited to directions opposite to or consistent with the direction of gravity. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of such features.

[0047] The following is combined with Figure 1-12 This application is described in further detail.

[0048] The embodiment of the present application discloses a casing magnetic steel inserting device.

[0049] Reference Figure 1 In this embodiment, the housing magnetic steel device is mainly used for Figure 1 The assembly of the stator assembly 7 and the magnetic steel sheet 8 is shown, so the relevant features of the stator assembly 7 that appear later can be directly referred to Figure 1 , no separate reference to the accompanying drawings is made.

[0050] The stator assembly 7 includes a stator frame 71 and a plurality of stator cores 72 arranged at intervals along the axis of the stator frame 71. The stator frame 71 is annular in shape, and the stator cores 72 are located inside the stator frame 71. The outer wall of the stator frame 71 is provided with mounting grooves 711 for mounting the magnetic steel sheets 8 in the circumferential direction, and the extending direction of the mounting grooves 711 is parallel to the axis of the stator frame 71. The mounting grooves 711 and the stator cores 72 are arranged one by one, and the side wall of the mounting grooves 711 facing the axis of the stator frame 71 is connected to the stator cores 72.

[0051] The length of the mounting groove 711 in the axial direction is greater than the length of the magnetic steel sheet 8, and the mounting groove 711 includes a first groove section 7111 and a second groove section 7112 along the axis. The depth of the first groove section 7111 is less than the thickness of the magnetic steel sheet 8, and the depth of the second groove section 7112 is greater than the thickness of the magnetic steel sheet 8. A guide slope 7113 for guiding the magnetic steel sheet 8 to be inserted is provided at the top opening of the mounting groove 711.

[0052] The casing magnetic steel insertion device includes a working platform 1, on the top surface of which a positioning seat 2 for placing the stator is slidably installed, a magnetic steel feeding mechanism 3 for feeding N-grade magnetic steel sheets and S-grade magnetic steel sheets, a first pressing mechanism 4 for receiving the magnetic steel sheet 8 and pressing the magnetic steel sheet 8 on the positioning seat 2, a second pressing mechanism 5 for pressing the magnetic steel sheet 8, and an installation mechanism 6 for installing the stator casing 73 and the stator cover plate 74.

[0053] The positioning seat 2 is in the shape of a rectangular plate as a whole, and has a positioning groove 21 on the top for the stator frame 71 to be placed. A positioning conveying module 11 for driving the positioning seat 2 to slide is installed on the top of the working platform 1. The positioning conveying module 11 includes two sets of positioning slide rails 111 arranged in parallel, a positioning drive screw 112 arranged in parallel with the positioning slide rails 111, and a positioning drive member 113 for driving the positioning drive screw 112 to rotate. The positioning seat 2 and the positioning slide rails 111 are slidably matched, and a driving block threadedly matched with the positioning drive screw 112 is also installed on one side of the positioning seat 2. The positioning drive member 113 is a rotary motor, which is connected to the positioning drive screw 112 through a transmission mechanism. In this embodiment, the transmission mechanism is a gear belt transmission mechanism.

[0054] The magnetic steel feeding mechanism 3 includes a first feeding assembly 31 and a second feeding assembly 32 arranged on both sides of the positioning and conveying module 11. The first feeding assembly 31 is used to feed N-grade magnetic steel sheets, and the second feeding assembly 32 is used to feed S-grade magnetic steel sheets. The first feeding assembly 31 and the second feeding assembly 32 have the same structure and are respectively located on both sides of the sliding direction of the positioning seat 2.

[0055] Reference Figure 4 The first loading assembly 31 includes a first loading module 311, a magnetic steel placement frame 312, a magnetic steel conveying track 313, a second loading module 314, a first pusher 315 and a second pusher 316. The first loading module 311 and the second loading module 314 are both linear motor modules of the prior art, and their structures are not described in this application. The magnetic steel placement frame 312 and the slider of the first loading module 311 are fixedly connected, and the top of the magnetic steel placement frame 312 is provided with placement grooves 3121 at intervals along its sliding direction, and the magnetic steel sheets 8 are vertically arranged in the placement grooves 3121. The extension direction of the placement grooves 3121 is perpendicular to the sliding direction of the magnetic steel placement frame 312.

[0056] The magnetic steel conveying track 313 is fixedly installed on one side of the first loading module 311. The height of the magnetic steel conveying track 313 is consistent with the height of the magnetic steel placement frame 312. The end of the magnetic steel conveying track 313 close to the magnetic steel placement frame 312 is connected to the placement groove 3121. The second loading module 314 is fixed to the working platform 1 and is located above the first loading module 311 as a whole. The sliding direction of the second loading module 314 is perpendicular to the first loading module 311.

[0057] Reference Figure 4 and Figure 5 The first pusher 315 is fixed to the driving slider of the second feeding module 314. The first pusher 315 includes a first pusher plate 3151 corresponding to the magnetic steel conveying track 313, a slide rail slider group 3152, a push fixing block 3153, and a rectangular spring 3154 connecting the first pusher plate 3151 and the push fixing block 3153. The slide rail slider group 3152 includes a slide rail and a slider that cooperate with each other, and the length direction thereof is consistent with the sliding direction of the second feeding module 314. The first pusher plate 3151 is fixedly connected to the slider of the slide rail slider group 3152.

[0058] Reference Figure 4 , Figure 6 and Figure 7 , the second pusher 316 is arranged at the bottom of the other end of the magnetic steel conveying track 313. The second pusher 316 is a push cylinder vertically fixed to the working platform 1, and a push rod 3161 is fixed on its output shaft. The bottom of the magnetic steel conveying track 313 has a pushing hole 3131 for the push rod 3161 to vertically pass through, and the cross-sectional size of the push rod 3161 is adapted to the thickness of a single magnetic steel sheet 8. The magnetic steel conveying track 313 is bolted with a conveying limit block 3132 at the end. The conveying limit block 3132 and the end of the magnetic steel conveying track 313 form a loading port 3133 for lifting a single magnetic steel sheet 8. The push rod 3161 is a rod-shaped body with a circular cross-section, and the side facing the conveying limit block 3132 is a plane.

[0059] In order to improve the assembly yield of the stator assembly 7, the first loading assembly 31 also includes a detection unloading component 33. The detection unloading component 33 includes a detection sensor 331 fixed to the end of the magnetic steel conveying track 313 away from the magnetic steel placement frame 312, a unloading pusher 332 horizontally fixed to one side of the magnetic steel conveying track 313, a unloading plate 333 fixed to the output shaft of the unloading pusher 332, an unloading track 334 arranged on the side of the magnetic steel conveying track 313 away from the unloading pusher 332, and a recovery frame 335 for receiving the magnetic steel sheet 8.

[0060] The unloading pusher 332 is a horizontally arranged push cylinder, and the unloading plate 333 is a plate-like structure with an L-shaped cross section. The opposite side walls of the magnetic steel conveying track 313 have unloading holes 3134 for the unloading plates 333 to pass horizontally, and the width of the unloading holes 3134 is adapted to the thickness of a single magnetic steel sheet 8. The output end of the detection sensor 331 is connected to the inner groove of the magnetic steel conveying track 313. The unloading track 334 is tilted so that the magnetic steel sheet 8 can automatically slide to the recovery frame 335 under the action of gravity. The recovery frame 335 is used to recover the defective magnetic steel sheets 8 in the two loading components.

[0061] Reference Figure 8The first press-fitting mechanism 4 includes a press-fitting conveying module 41, a first press-fitting bracket 42, a press-fitting assembly 43, a press-fitting rotating member 44 and a first press-fitting lifting member 45. The press-fitting conveying module 41 includes a linear motor module of the prior art. The first press-fitting bracket 42 is a U-shaped bracket with an opening facing downward, and the bottom two sides thereof are fixed to the driving slider of the linear motor module.

[0062] The press-fit rotating member 44 includes a rotating motor 441, a transmission reducer 442 connected to the rotating motor 441, and a rotating head 443 connected to the output shaft of the transmission reducer 442. The rotating head 443 is arranged vertically, and a lifting plate 421 for fixing the press-fit rotating member 44 with bolts is installed on the top of the first press-fit bracket 42. A fixed plate 422 is installed above the lifting plate 421, and the fixed plate 422 and the top surface of the first press-fit bracket 42 are connected by four guide columns 423, and the guide columns 423 and the lifting plate 421 are slidably matched. The first press-fit lifting member 45 is a vertically arranged pushing cylinder, and its output shaft is provided with a lifting frame body 451 connected to the lifting plate 421. When the first press-fit lifting member 45 is started, it drives the lifting frame body 451 to move upward, and at the same time drives the lifting plate 421 to move upward.

[0063] Reference Figure 8 and Fig. 9 The press-fitting assembly 43 includes a press-fitting head 431 coaxially fixed with the rotating head 443, a press-fitting ring 432 sleeved on the outer side of the rotating head 443, a push rod 433 circumferentially fixed to the press-fitting ring 432, and a second press-fitting lifting member 434 for driving the push rod 433 to vertically lift and lower. The outer wall of the press-fitting head 431 has a feeding groove 4311 circumferentially for inserting the magnetic steel sheet 8, and the feeding groove 4311 corresponds to the mounting groove 711 of the stator frame 71. The press-fitting head 431 is also fixedly installed with a suction block 4312 for sucking the magnetic steel sheet 8 on the bottom wall of the feeding groove 4311, and the suction block 4312 is a metal block.

[0064] The number of push rods 433 and feeding troughs 4311 is the same, and the two are arranged in a one-to-one correspondence. A guide ring 435 for guiding the sliding movement of the push rod 433 is also fixed on the rotating head 443. The second press-fit lifting member 434 is a push cylinder vertically fixed to the top of the lifting plate 421, and a connecting frame 4341 connected to the press-fit ring 432 is fixed on its output shaft.

[0065] according to Figures 4 to 10 The height of the first press-fit bracket 42 is higher than the magnetic steel conveying track 313. The first press-fit bracket 42 is moved to the top of the magnetic steel conveying track 313 by the press-fitting conveying module 41. The magnetic steel conveying track 313 is equipped with a position sensor 3135 for positioning the first mounting bracket 61.

[0066] When the loading port 3133 corresponds to the loading slot 4311 of the press-fitting head 431, the second pusher 316 is started to insert the single magnetic steel sheet 8 from bottom to top into the loading slot 4311, and the magnetic steel sheet 8 and the suction block 4312 are positioned in the installation loading slot 4311, and the loading components on both sides are inserted into the N-level magnetic steel sheet and the S-level magnetic steel sheet at the same time; after completing one insertion, the first pusher 315 is started to stick the magnetic steel sheet 8 to the inner wall of the magnetic steel conveying track 313 again, and the press-fitting rotating member 44 is used to drive the press-fitting head 431 to rotate circumferentially, so that the loading port 3133 is aligned with the unloaded magnetic steel sheet 8. Corresponding to the loading slot 4311 equipped with the magnetic steel sheet 8, the first pushing member 315 is started again to insert the magnetic steel sheet 8; the above-mentioned plug-in of the magnetic steel sheet 8 is repeated until the loading slot 4311 of the press-fitting ring 432 is equipped with magnetic steel sheets 8; the press-fitting assembly 43 slides to the top of the positioning seat 2, and the press-fitting assembly 43 is moved downward to the stator frame 71 on the positioning seat 2 through the first press-fitting lifting member 45; finally, through the second press-fitting lifting member 434, the magnetic steel sheet 8 of the loading slot 4311 is inserted downward into the installation slot 711 at the same time, thereby realizing the preliminary plug-in of the magnetic steel sheet 8 and the stator frame 71.

[0067] Reference Fig.11 The second press-fitting mechanism 5 is located on the side of the first press-fitting mechanism 4 away from the two feeding assemblies. The second press-fitting mechanism 5 includes a second press-fitting bracket 51, a third press-fitting lifting member 52 and a clamping cover 53. The second press-fitting bracket 51 is fixed to the working platform 1, and the third press-fitting lifting member 52 is an electric cylinder of the prior art, which is fixed to the top of the second press-fitting bracket 51. The output shaft of the third press-fitting lifting member 52 is arranged vertically and coaxially with the clamping cover 53. The clamping cover 53 is an annular cover body as a whole. The inner diameter of the clamping cover 53 is larger than the outer diameter of the first section slot 7111 of the stator frame 71, and smaller than the inner diameter of the second section slot 7112 of the stator frame 71, so that when the clamping cover 53 moves vertically downward, the magnetic steel sheet 8 can be fully inserted into the second section slot 7112, thereby increasing the abutment area between the magnetic steel sheet 8 and the stator core 72.

[0068] The mounting mechanism 6 is located on the side of the second pressing mechanism 5 away from the first pressing mechanism 4 and is used to mount the stator housing 73 and the stator cover 74. The mounting mechanism 6 includes a mounting bracket 61, a first mounting module 62, a second mounting module 63 and two clamping components 64.

[0069] The mounting bracket 61 is fixed to one side of the positioning slide rail 111, and the first mounting module 62 and the second mounting module 63 are both linear motor modules of the prior art. The first mounting module 62 is horizontally fixed to the mounting bracket 61, and the second mounting module 63 is vertically fixed to the driving slider of the first mounting module 62. A mounting lifting plate 631 is fixedly installed on the driving slider of the second mounting module 63, and two clamping assemblies 64 are fixed to the mounting lifting plate 631 at intervals in the horizontal direction. The clamping assembly 64 is a three-claw cylinder, and the two clamping assemblies 64 clamp the stator housing 73 and the stator cover plate 74 respectively along the sliding direction of the positioning seat 2.

[0070] The stator housing 73 is an annular piece with two ends passing through, and is inserted into the outside of the stator frame 71 by interference insertion. The outer wall of the stator frame 71 also has an inclined surface for facilitating the insertion of the stator housing 73, and the inclined surface is arranged on the outer side of the second slot 7112 away from the axis, and the inclined surface gradually tilts outward from top to bottom.

[0071] The stator cover plate 74 is in a circular plate shape, and the outer edge of the bottom thereof is provided with limiting slots 741 evenly spaced in the circumferential direction. The limiting slots 741 correspond to the mounting slots 711 of the stator frame 71 one by one.

[0072] Reference Fig. 9 and Fig.11 In order to improve the plug-in stability between the stator housing 73 and the positioning frame, a clamping block 22 and a positioning lifting member 23 for driving the clamping block 22 to rise and fall vertically are also provided at the bottom of the positioning seat 2. The bottom wall of the positioning groove 21 has a through hole that penetrates the two side end surfaces and is used for the clamping block 22 to rise and fall. The clamping block 22 and the stator frame 71 are arranged coaxially, and a clamping ring surface 221 is arranged circumferentially on the outer side of the top of the clamping block 22, and the clamping ring surface 221 is inclined inwardly along the axial direction. The stator core 72 has an abutting inclined surface 721 on the side facing the axis that abuts and cooperates with the clamping ring surface 221.

[0073] The implementation principle of a casing magnetic steel insertion device in an embodiment of the present application is as follows: the combination of the stator frame 71 and the stator core 72 is pre-positioned and installed on the positioning seat 2, the press-fitting assembly 43 is moved to the top of the magnetic steel conveying track 313, and the N-level magnetic steel sheets and the S-level magnetic steel sheets are sequentially loaded into the loading slot 4311 of the press-fitting head 431 through the loading assemblies on both sides; then the press-fitting assembly 43 is moved to the top of the positioning assembly, and the magnetic steel sheets 8 are simultaneously inserted into the installation slot 711 through the second press-fitting lifting member 434 to achieve the preliminary installation of the magnetic steel sheets 8; then the positioning seat 2 is moved again, and the magnetic steel sheets 8 are completely inserted into the installation slot 711 through the second press-fitting mechanism 5; finally, the positioning seat 2 is moved to the bottom of the installation mechanism 6, the stator casing 73 is first installed, and the clamping block 22 is started while installing the stator casing 73, and then the stator cover plate 74 is inserted into the top of the stator frame 71.

[0074] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A housing magnetic steel inserting device, characterized in that: The invention comprises a working platform (1), a positioning seat (2) slidably mounted on the working platform (1) and for placing a stator assembly (7), a magnetic steel feeding mechanism (3) for feeding N-grade magnetic steel sheets and S-grade magnetic steel sheets, a first pressing mechanism (4) slidably mounted on the working platform (1) and for receiving magnetic steel sheets (8) from the magnetic steel feeding mechanism (3), a second pressing mechanism (5) for pressing the magnetic steel sheets (8), and an installation mechanism (6) for installing a casing, wherein the working platform (1) is provided with a positioning and conveying module (11) for driving the positioning seat (2) to slide, and the first pressing mechanism (4), the second pressing mechanism (5), and the installation mechanism (6) are arranged at intervals along the axial direction of the positioning and conveying module (11); The first press-fitting mechanism (4) comprises a press-fitting conveying module (41), a first press-fitting bracket (42) slidably mounted on the press-fitting conveying module (41), a press-fitting component (43) arranged on the first press-fitting bracket (42), a press-fitting rotating member (44) driving the press-fitting component (43) to rotate, and a first press-fitting lifting member (45) driving the press-fitting component (43) to rise and fall; The press-fitting assembly (43) comprises a press-fitting head (431) fixed to the output shaft of the press-fitting rotating member (44), a press-fitting ring (432) sleeved on the press-fitting rotating member (44), a push rod (433) circumferentially arranged on the press-fitting ring (432), and a second press-fitting lifting member (434) for driving the push rod (433) to rise and fall. The press-fitting head (431) has a loading groove (4311) corresponding to the installation groove (711). The push rod (433) and The loading trough (4311) is correspondingly arranged, and the pressing head (431) is provided with an attraction block (4312) on the inner wall of the loading trough (4311) for adsorbing the magnetic steel sheet (8); the magnetic steel loading mechanism (3) comprises a first loading component (31) and a second loading component (32) respectively arranged on both sides of the positioning and conveying module (11), the first loading component (31) is used for loading N-grade magnetic steel sheets, and the second loading component (32) is used for loading S-grade magnetic steel sheets; The first loading assembly (31) comprises a first loading module (311), a magnetic steel placement frame (312) slidably mounted on the first loading module (311), a magnetic steel conveying track (313) arranged on one side of the magnetic steel placement frame (312), a second loading module (314), and a first pushing member (315) for pushing the magnetic steel sheet (8) from the magnetic steel placement frame (312) to the end of the magnetic steel conveying track (313), and the structure of the second loading assembly (32) is consistent with that of the first loading assembly (31); The top of the magnetic steel placement rack (312) is provided with placement grooves (3121) for arranging the magnetic steel sheets (8) at intervals along the sliding direction; the magnetic steel conveying track (313) is parallel to the placement grooves (3121) and has a conveying opening corresponding to the placement grooves (3121); the magnetic steel conveying track (313) is provided with a loading port (3133) at one end away from the magnetic steel placement rack (312); the loading port (3133) is adapted to the thickness of a single magnetic steel sheet (8); the bottom of the magnetic steel conveying track (313) is provided with a second pushing member (316) corresponding to the loading port (3133); the magnetic steel sheet (8) is pushed upward by the second pushing member (316).

2. A housing magnetic steel inserting device according to claim 1, characterized in that: The first loading component (31) further comprises a detection unloading member (33), the detection unloading member (33) comprising a detection sensor (331), a horizontally arranged unloading push member (332), an unloading plate (333) arranged on an output shaft of the unloading push member (332), an unloading track (334) arranged corresponding to the unloading plate (333), and a recovery frame (335) for receiving the magnetic steel sheet (8), and the magnetic steel conveying track (313) is provided with an unloading through hole (3134) for the unloading plate (333) to pass through.

3. The housing magnetic steel inserting device according to claim 1, characterized in that: The first loading assembly (31) and the second loading assembly (32) are respectively arranged on both sides of the axial direction of the press-fitting head (431), and the bottom of the press-fitting head (431) is located above the magnetic steel conveying track (313). When the press-fitting assembly (43) moves above the magnetic steel conveying track (313), the mounting groove (711) of the stator assembly (7) corresponds to the loading port (3133).

4. The housing magnetic steel inserting device according to claim 1, characterized in that: The second press-fitting mechanism (5) comprises a second press-fitting bracket (51), a third press-fitting lifting member (52) vertically arranged on the second press-fitting bracket (51), and a clamping cover (53) arranged on the output shaft of the third press-fitting lifting member (52), wherein the inner diameter of the clamping cover (53) is greater than the outer diameter of the stator frame (71).

5. The housing magnetic steel inserting device according to claim 1, characterized in that: The mounting mechanism (6) comprises a mounting bracket (61), a first mounting module (62) horizontally arranged on the mounting bracket (61), a second mounting module (63) vertically arranged on the first mounting module (62), and two clamping assemblies (64) arranged on the second mounting module (63), the two clamping assemblies (64) being arranged horizontally and spaced apart, the two clamping assemblies (64) being used to clamp the stator housing (73) and the stator cover plate (74) respectively, and the outer edge of the stator cover plate (74) having a limiting slot (741) corresponding to the mounting slot (711) one by one.

6. The housing magnetic steel inserting device according to claim 1, characterized in that: The bottom of the positioning seat (2) is also provided with a clamping block (22) and a positioning lifting member (23) for driving the clamping block (22) to rise and fall. The outer wall of the clamping block (22) is provided with a clamping ring surface (221). The inner side of the stator core (72) has an abutting inclined surface (721) that cooperates with the clamping ring surface (221). When the clamping block (22) rises vertically, the clamping block (22) drives the stator core (72) to slide in the radial direction.

Citation Information

Patent Citations

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    CN113210186A

  • Magnetic shoe assembling equipment of stator assembly

    CN116169838A

  • Wheel hub magnetic steel assembling equipment

    CN118595796A