Motor rotor and motor assembly

Abstract

The invention relates to the technical field of motors, and discloses a motor rotor and a motor assembly. A heat dissipation fixing mechanism; the heat dissipation fixing mechanism is arranged on the outer wall of the rotating shaft, and rotor iron core punching sheets in the heat dissipation fixing mechanism are assembled through a first fixing plate and a plurality of fixing columns in the heat dissipation fixing mechanism; according to the motor rotor core, the channels for air inlet and air flow flowing are formed in the whole motor rotor core and the outer wall, so that the air flow can quickly flow in the channels in the whole motor rotor core, the heat dissipation performance of the whole motor rotor core is improved, and when the whole motor rotor core and the rotating shaft are combined, the rotating shaft is rotated, so that the motor rotor core is more compact. The second fixing plates on the rotating shaft move in the same track direction, and the insertion holes in the second fixing plates are inserted into the corresponding fixing columns, so that the stability of connection between the rotor iron core punching sheets is improved, and the situation of looseness between the rotor iron core punching sheets is well reduced.

Description

Technical Field

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

[0002] A motor is an electromagnetic device that realizes the conversion or transmission of electric energy according to the law of electromagnetic induction. According to the type of working power supply, motors can be divided into DC motors and AC motors. The working principle of a DC motor is to convert the alternating electromotive force induced in the armature coil into a DC electromotive force when it is led out from the brush end by the commutator and the commutation effect of the brush, so that the rotor inside the motor starts and drives the shaft to rotate: A motor rotor assembly and a motor with a Chinese patent application number of 202310818405.5, the invention assembly includes a base, the output shaft is rotatably connected inside the base, and slots I are provided around the base, and a drive shaft is arranged in each slot I. A gear I is fixed to the lower part of the output shaft, and a gear II is fixed to the lower part of each drive shaft, and the four gears II are meshed with the gear I. It also includes a housing, the lower part of the output shaft is rotatably connected to the housing, and four slots II are evenly spaced inside the inner side of the housing, each slot I and slot II is fixed to the inner side, and the four drive shafts are rotatably connected to the bottom of the housing, and each drive shaft is fixed to an iron core on the upper part, and the positions of the four iron cores are respectively inside four groups of magnets. The motor includes a housing, the output shaft is rotatably connected to the inside of the housing, and a protective cover is fixed to the outside of the housing, and multiple heat sinks are nested in the protective cover, which has the beneficial effect of increasing the torque output by the motor.

[0003] Nowadays, when the motor rotor is working, the vibration and temperature of the rotor increase, which may cause the rotor core to loosen, causing abnormal vibration and noise when the motor is working, affecting the normal operation and life of the motor. At the same time, temperature also has a great impact on the operation of the motor rotor. Summary of the invention

[0004] The object of the present invention is to provide a motor rotor and a motor assembly to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions: A motor rotor and a motor assembly, comprising a rotating shaft, wherein the rotating shaft is arranged inside the motor; Heat dissipation fixing mechanism; the heat dissipation fixing mechanism is arranged on the outer wall of the rotating shaft, and the heat dissipation fixing mechanism assembles the rotor core punching sheets in the heat dissipation fixing mechanism through the first fixing plate and a plurality of fixing columns therein; A flow guiding mechanism, wherein the flow guiding mechanism is arranged outside the heat dissipation fixing mechanism, and the flow guiding mechanism guides the airflow outside the heat dissipation fixing mechanism through the air guide plate therein; A lubricating mechanism, the lubricating mechanism is arranged at both ends of the outer wall of the rotating shaft, and the lubricating mechanism lubricates the bearings inside the motor through the sponge blocks and sponge columns therein; The heat dissipation fixing mechanism comprises a mounting ring groove, a plurality of first connecting grooves, a plurality of second connecting grooves, a plurality of mounting openings, a slot, a heat dissipation ring sheet, a plurality of heat dissipation notch plates, a plurality of heat dissipation cylinders and a heat dissipation metal ring.

[0006] Optionally, the mounting ring groove, several first connecting grooves and several second connecting grooves are opened on the surfaces of both ends of the rotor core punching sheet, and the mounting ring groove, the first connecting groove and the second connecting groove on the surfaces of both ends of the rotor core punching sheet are positioned opposite to each other. The first connecting groove is located at the edge of the inner ring of the rotor core punching sheet, and one end of the first connecting groove extends to the inside of the inner ring of the rotor core punching sheet. The second connecting groove is located at the edge of the outer ring of the rotor core punching sheet, and one end of the second connecting groove extends to the outside of the outer ring of the rotor core punching sheet. The other ends of the first connecting groove and the second connecting groove are respectively connected to the mounting ring groove, the heat dissipation annular sheet is welded and fixed to the groove wall of the mounting ring groove, and several heat dissipation notch plates are integrally formed on the inner wall of the heat dissipation annular sheet. The heat dissipation cylinder column is integrally formed on the outer wall of the heat dissipation annular sheet, the heat dissipation metal ring is integrally formed on one end of the heat dissipation slot plate, the heat dissipation annular sheets at both ends of the rotor core punching sheets are connected into a whole through the heat dissipation metal ring, the heat dissipation slot plate is fixedly installed on the first connecting slot wall, the heat dissipation cylinder column is fixedly installed on the second connecting slot wall, a number of the installation openings are opened on the inner wall of the rotor core punching sheets, the slots are opened on both ends of the inner wall of the installation openings, and the slots penetrate the rotor core punching sheets, the first fixed plate is fixedly installed on one side of the inner wall of the installation opening, and a number of the fixed columns are fixedly installed on one side of the first fixed plate; a number of the rotor core punching sheets are stacked to form a motor rotor core as a whole, and the motor rotor core as a whole is wound and installed with a rotor winding.

[0007] Optionally, the air guide mechanism includes a first rotor core mounting seat, a plurality of extension plates, a plurality of fixing holes, a second rotor core mounting seat, a plurality of mounting columns, a card interface, a plurality of positioning grooves and a plurality of air inlet holes, the first rotor core mounting seat and the second rotor core mounting seat are respectively arranged at both ends of the motor rotor core as a whole, a plurality of the extension plates are integrally formed on the outer wall of the first rotor core mounting seat, and the other end of the extension plate extends to the outer wall of the second rotor core mounting seat, a plurality of the air guide plates are welded and fixed to one side of the extension plate, a plurality of the fixing holes are opened at the edge of one end of the first rotor core mounting seat, a plurality of the mounting columns are welded and fixed to the edge of one end of the second rotor core mounting seat, the mounting columns correspond to the positions of the fixing holes, the card interface is opened at one end of the first rotor core mounting seat and the second rotor core mounting seat, a plurality of the positioning grooves are opened on the inner wall of the card interface, and a plurality of the air inlet holes are opened at one end of the first rotor core mounting seat and the second rotor core mounting seat.

[0008] Optionally, the rotating shaft is installed in a clamping interface on the first rotor core mounting seat and the second rotor core mounting seat, and a plurality of positioning protrusions are integrally formed at both ends of the outer wall of the rotating shaft.

[0009] Optionally, the positioning protrusion is engaged in the positioning groove corresponding to the first rotor core mounting seat and the second rotor core mounting seat.

[0010] Optionally, a plurality of mounting holes are opened on the edge of the outer wall of the rotor core punching sheet, and the mounting column at one end of the second rotor core mounting seat extends through the corresponding mounting hole to the fixing hole on the first rotor core mounting seat, and one end of the mounting column extending into the fixing hole is fixed to the first rotor core mounting seat by screws.

[0011] Optionally, a plurality of second fixing plates are fixedly mounted on the outer wall of the rotating shaft, a plurality of insertion holes are fixedly mounted on one side of the second fixing plates, the second fixing plates are clamped into the corresponding mounting openings on the rotor core punching sheets, and the fixing columns are clamped into the corresponding insertion holes.

[0012] Optionally, fixing rings are fixedly installed at both ends of the outer wall of the rotating shaft, and a plurality of ventilation channels are opened on the outer wall of the rotating shaft, and the ventilation channels are located on the inner wall of the heat dissipation metal ring.

[0013] Optionally, the lubrication mechanism includes a mounting shell, an oil tank, several oil inlets, a sliding frame, an oil outlet plate, an oil outlet column and a moving block, the mounting shell is fixedly mounted on one end of the fixing ring by screws, the oil tank is fixedly mounted on the outer wall of the mounting shell, the mounting shell and the oil tank are both annular, several of the oil inlets are fixedly mounted on the outer wall of the mounting shell, one end of the oil inlet inlet is provided with a one-way valve, one end of the oil inlet outlet is connected with the oil tank, the sliding frame is fixedly mounted on one side of the oil tank, one end of the sliding frame extends to the outside of one side of the mounting shell, the oil outlet plate is fixedly mounted on one end of the sliding frame, several holes are opened on one side of the oil outlet plate, one of the sponge blocks is fixedly mounted on one side of the oil outlet plate, several of the sponge blocks are fixedly connected by the sponge column, the sponge block and the sponge column are located at one end inside the sliding frame, the oil outlet column is fixedly mounted on one side of the oil tank, the oil outlet column is located inside the sliding frame, and the moving block is slidably mounted on the outer wall of the oil outlet column.

[0014] A motor assembly, which includes a motor housing, a dustproof housing, a stator, bearings, fan blades, a connecting interface, a collector ring and the above-mentioned motor rotor, wherein the dustproof housing is fixedly installed at one end of the motor housing, the bearings are fixedly installed at both ends of the inner wall of the motor housing, the stator is fixedly installed on the inner wall of the motor housing, the outer wall of the rotating shaft is fixedly installed on the inner ring of the bearing, one end of the sliding frame extends to the inside of the bearing, and the oil outlet plate is located on the side corresponding to the ball inside the bearing, the rotor core punching sheet is located inside the stator, the fan blades are fixedly installed on the outer wall of one end of the rotating shaft extending to the inside of the dustproof housing, the collector ring is fixedly installed on the inner wall of the motor housing, a part of the outer wall of the rotating shaft is fixedly installed in the inner ring of the inner ring of the collector ring, the connecting interface is fixedly installed on the outer wall of the motor housing, and the collector ring is connected to the connecting interface through a wire.

[0015] The present invention has at least the following beneficial effects: (1) This solution forms air inlet and air supply channels on the inner and outer walls of the motor rotor core as a whole, so that the air flow can flow quickly in the channels inside the motor rotor core as a whole, thereby increasing the heat dissipation performance of the motor rotor core as a whole. When the motor rotor core as a whole and the rotating shaft are combined, the second fixing plate on the rotating shaft is inserted into the corresponding installation opening through the slot, and the rotating shaft is rotated to move the second fixing plate on the rotating shaft in the same trajectory direction, so that the jack on the second fixing plate is plugged into the corresponding fixing column, thereby increasing the stability of the connection between the rotor core punchings and greatly reducing the looseness between the rotor core punchings. (2) This solution provides a first rotor core mounting seat and a second rotor core mounting seat to clamp the rotating shaft and the motor rotor core as a whole between the first rotor core mounting seat and the second rotor core mounting seat, which is convenient for the installation of the rotating shaft and the motor rotor core as a whole, and is convenient for disassembly and inspection of the rotor core punching sheet when a problem occurs with the motor rotor. By providing an air guide plate on the extension plate, and the air guide plate is inclined, the inclination direction corresponds to the air inlet direction of the heat dissipation column, when the motor rotor rotates, the airflow can be better guided to enter from the heat dissipation column through the air guide plate; (3) This solution can increase the flow space between the motor rotor core and the inner wall of the heat dissipation metal ring by providing a ventilation channel on the outer wall of the shaft; (4) In this solution, when the shaft rotates, the lubricating oil is ejected from the oil outlet column by centrifugal force, and the moving block is simultaneously moved toward the sponge block by centrifugal force, squeezing the sponge block and the ejected lubricating oil at the same time, so that the sponge block absorbs the lubricating oil faster, and through the squeezing between the moving block and the oil outlet plate, the lubricating oil is squeezed onto the ball inside the bearing on one side of the oil outlet plate, so that the bearing can be more conveniently added with lubricating oil, thereby increasing the lubrication effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work. Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a cross-sectional view of a rotor core punching sheet of the present invention; Figure 3 This is an installation diagram of the first rotor core mounting seat and the second rotor core mounting seat of the present invention; Figure 4 It is a cross-sectional view of the first rotor core mounting seat and the second rotor core mounting seat of the present invention; Figure 5 This is a connection diagram of the rotating shaft and the rotor core punching sheet of the present invention; Figure 6 The installation diagram of the ring groove of the present invention; Figure 7 This is a diagram showing the arrangement of the heat dissipation annular sheet of the present invention; Figure 8 It is a cross-sectional view of the motor housing of the present invention; Fig. 9 A cross-sectional view of the housing installation of the present invention; Fig.10 For the present invention Fig. 9 Enlarged view of point A in the middle; In the accompanying drawings, the components represented by the reference numerals are listed as follows: 1. rotor core punching sheet; 101. mounting ring groove; 102. first connecting groove; 103. second connecting groove; 104. mounting hole; 105. mounting port; 106. slot; 107. first fixing plate; 108. fixing column; 109. heat dissipation ring sheet; 110. heat dissipation notch plate; 111. heat dissipation cylinder column; 112. heat dissipation metal ring; 113. rotor winding; 2. first rotor core mounting seat; 201. extension plate; 202. air guide plate; 203. fixing hole; 204. second rotor core mounting seat; 205. mounting column; 206. card Interface; 207, positioning groove; 208, air inlet; 3, rotating shaft; 301, second fixed plate; 302, jack; 303, positioning protrusion; 304, ventilation channel; 305, fixing ring; 4, mounting shell; 401, oil tank; 402, oil inlet; 403, sliding frame; 404, oil outlet plate; 405, sponge block; 406, sponge column; 407, oil outlet column; 408, moving block; 5, motor shell; 501, dustproof shell; 502, stator; 503, bearing; 504, fan blade; 505, connection interface; 506, collector ring. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] See also Figure 1-Figure 10The present invention provides a motor rotor and a motor assembly, a rotating shaft 3, the rotating shaft 3 is arranged inside the motor; a heat dissipation fixing mechanism; the heat dissipation fixing mechanism is arranged on the outer wall of the rotating shaft 3, and the heat dissipation fixing mechanism assembles the rotor core punching sheets 1 in the heat dissipation fixing mechanism through the first fixing plate 107 and a plurality of fixing columns 108 therein; a guide mechanism, the guide mechanism is arranged outside the heat dissipation fixing mechanism, and the guide mechanism guides the airflow outside the heat dissipation fixing mechanism through the air guide plate 202 therein; a lubricating mechanism, the lubricating mechanism is arranged at both ends of the outer wall of the rotating shaft 3, and the lubricating mechanism lubricates the bearing 503 inside the motor through the sponge block 405 and the sponge column 406 therein; by setting the heat dissipation fixing mechanism, a heat dissipation annular sheet 109, a heat dissipation notch plate 110, a heat dissipation column 111 and a heat dissipation metal ring 112 are arranged on the rotor core punching sheet 1, and the heat dissipation annular sheet 109, the heat dissipation notch plate 110 and the heat dissipation column 111 are respectively Symmetrically located on the rotor core punching sheets 1, when several rotor core punching sheets 1 are stacked together, the heat dissipation annular sheets 109, heat dissipation slot plates 110 and heat dissipation cylinder columns 111 on the contact surfaces of two adjacent rotor core punching sheets 1 fit together, forming air inlet and air supply flow channels inside and on the outer wall of the motor rotor core as a whole, so that the air flow can flow quickly in the channels inside the motor rotor core as a whole, thereby increasing the heat dissipation performance of the motor rotor core as a whole, and when the motor rotor core as a whole and the rotating shaft 3 are combined, the second fixing plate 301 on the rotating shaft 3 is inserted into the corresponding installation port 105 through the slot 106, and the rotating shaft 3 is rotated to make the second fixing plate 301 on the rotating shaft 3 move in the same trajectory direction, so that the socket 302 on the second fixing plate 301 is plugged into the corresponding fixing column 108, thereby increasing the stability of the connection between each rotor core punching sheet 1 and greatly reducing the looseness between the rotor core punching sheets 1.

[0019] In some embodiments, see Figure 2 , Figure 5 , Figure 6 , Figure 7The heat dissipation fixing mechanism includes an installation ring groove 101, a plurality of first connecting grooves 102, a plurality of second connecting grooves 103, a plurality of installation ports 105, a slot 106, a heat dissipation annular sheet 109, a plurality of heat dissipation slot plates 110, a plurality of heat dissipation cylinders 111 and a heat dissipation metal ring 112. The installation ring groove 101, a plurality of first connecting grooves 102 and a plurality of second connecting grooves 103 are arranged on the surfaces of both ends of the rotor core punching sheet 1. The installation ring groove 101, the first connecting groove 102 and the second connecting groove 103 on the surfaces of both ends of the rotor core punching sheet 1 are positioned one by one opposite to each other. The first connecting groove 102 is located at the inner ring edge of the rotor core punching sheet 1, and one end of the first connecting groove 102 extends to the inner ring of the rotor core punching sheet 1. The second connecting groove 103 is located at the outer ring edge of the rotor core punching sheet 1, and one end of the second connecting groove 103 extends to the outside of the outer ring of the rotor core punching sheet 1, and the other ends of the first connecting groove 102 and the second connecting groove 103 are respectively connected to the mounting ring groove 101, and the heat dissipation annular sheet 109 is welded and fixed to the groove wall of the mounting ring groove 101, and a plurality of heat dissipation notch plates 110 are integrally formed on the inner wall of the heat dissipation annular sheet 109, and the heat dissipation cylinder 111 is integrally formed on the outer wall of the heat dissipation annular sheet 109. The heat dissipation metal ring 112 is integrally formed on one end of the heat dissipation notch plate 110. The heat dissipation annular sheets 109 at both ends of the rotor core punching sheet 1 are connected into a whole through the heat dissipation metal ring 112, and the heat dissipation notch plate 110 is fixedly installed on the first connecting groove 102. The heat dissipation cylinder 111 is fixedly installed on the wall of the second connecting groove 103, a plurality of installation openings 105 are opened on the inner wall of the rotor core punching sheet 1, and the slots 106 are opened at both ends of the inner wall of the installation opening 105, and the slots 106 penetrate the rotor core punching sheet 1, the first fixed plate 107 is fixedly installed on one side of the inner wall of the installation opening 105, and a plurality of fixed columns 108 are fixedly installed on one side of the first fixed plate 107, and a plurality of rotor core punching sheets 1 are stacked to form a motor rotor core as a whole, and a rotor winding 113 is wound and installed on the motor rotor core as a whole; in this example, three fixed columns 108 are arranged on each first fixed plate 107, and the three fixed columns 108 are arranged in a triangle on the first fixed plate 107, so as to form a motor rotor core as a whole. The stability of the connection between the fixing column 108 and the second fixing plate 301 is further increased; in this example, silicone grease can be filled between the connection parts of the heat dissipation metal rings 112 on adjacent rotor core punching sheets 1 to prevent the gaps at the connection parts between the heat dissipation metal rings 112 from affecting the thermal conductivity; in this example, one end of the slot on the heat dissipation slot plate 110 is connected to the inner wall of the heat dissipation cylinder 111, and the other end is connected to the space between the inner wall of the heat dissipation metal ring 112 and the rotating shaft 3, so that the airflow can enter from the heat dissipation cylinder 111 of the overall outer wall of the motor rotor core into the space between the inner wall of the heat dissipation metal ring 112 and the rotating shaft 3, and then be discharged from both ends of the charger rotor core, thereby improving the fluidity of the overall surface and internal airflow of the motor rotor core.

[0020] In some embodiments, see Figure 3 , Figure 4The guide mechanism includes a first rotor core mounting seat 2, a plurality of extension plates 201, a plurality of fixing holes 203, a second rotor core mounting seat 204, a plurality of mounting columns 205, a card interface 206, a plurality of positioning grooves 207 and a plurality of air inlet holes 208. The first rotor core mounting seat 2 and the second rotor core mounting seat 204 are respectively arranged at both ends of the motor rotor core as a whole. The plurality of extension plates 201 are integrally formed on the outer wall of the first rotor core mounting seat 2, and the other end of the extension plate 201 extends to the outer wall of the second rotor core mounting seat 204. The plurality of air guide plates 202 are welded and fixed to one side of the extension plate 201. The plurality of fixing holes 203 are opened on the first rotor core mounting seat 2 The first rotor core mounting seat 204 is provided with a plurality of mounting posts 205, and the mounting posts 205 correspond to the positions of the fixing holes 203. The card interface 206 is provided at one end of the first rotor core mounting seat 2 and the second rotor core mounting seat 204. The plurality of positioning grooves 207 are provided at the inner wall of the card interface 206. The plurality of air inlet holes 208 are provided at one end of the first rotor core mounting seat 2 and the second rotor core mounting seat 204. The rotating shaft 3 is installed in the card interface 206 on the first rotor core mounting seat 2 and the second rotor core mounting seat 204. The outer wall of the rotating shaft 3 has a plurality of positioning protrusions 303 integrally formed at both ends. The positioning protrusions 303 are engaged with the first rotor core mounting seat 204. In the positioning groove 207 on the sub-core mounting seat 2 and the second rotor core mounting seat 204, a plurality of mounting holes 104 are opened on the outer wall edge of the rotor core punching sheet 1, and the mounting column 205 at one end of the second rotor core mounting seat 204 passes through the corresponding mounting hole 104 and extends to the fixing hole 203 on the first rotor core mounting seat 2. One end of the mounting column 205 extending to the fixing hole 203 is fixedly mounted on the first rotor core mounting seat 2 by screws, and a plurality of second fixing plates 301 are fixedly mounted on the outer wall of the rotating shaft 3, and a plurality of plug holes 302 are fixedly mounted on one side of the second fixing plate 301. The second fixing plate 301 is clamped on the mounting opening 105 on the corresponding rotor core punching sheet 1, and the fixing column 1 08 is engaged with the corresponding socket 302; by setting the first rotor core mounting seat 2 and the second rotor core mounting seat 204, the rotating shaft 3 and the motor rotor core are clamped as a whole between the first rotor core mounting seat 2 and the second rotor core mounting seat 204, which is convenient for the installation of the rotating shaft 3 and the motor rotor core as a whole, and convenient for the disassembly and inspection of the rotor core punching sheet 1 when there is a problem with the motor rotor. By setting the air guide plate 202 on the extension plate 201, and the air guide plate 202 is inclined, the inclination direction corresponds to the air inlet direction of the heat dissipation column 111, when the motor rotor rotates, the air guide plate 202 can better guide the airflow to enter from the heat dissipation column 111.

[0021] In some embodiments, see Figure 1 , Figure 5A fixing ring 305 is fixedly installed at both ends of the outer wall of the rotating shaft 3, and a plurality of ventilation channels 304 are opened on the outer wall of the rotating shaft 3, and the ventilation channels 304 are located on the inner wall of the heat dissipation metal ring 112; by arranging the ventilation channels 304 on the outer wall of the rotating shaft 3, the flow space between the entire motor rotor core and the inner wall of the heat dissipation metal ring 112 can be increased.

[0022] In some embodiments, see Fig. 9 , Fig.10 The lubrication mechanism includes a mounting shell 4, an oil tank 401, a plurality of oil inlets 402, a sliding frame 403, an oil outlet plate 404, an oil outlet column 407 and a moving block 408. The mounting shell 4 is fixedly mounted on one end of the fixing ring 305 by screws. The oil tank 401 is fixedly mounted on the outer wall of the mounting shell 4. The mounting shell 4 and the oil tank 401 are both annular. A plurality of oil inlets 402 are fixedly mounted on the outer wall of the mounting shell 4. A one-way valve is arranged at one end of the inlet of the oil inlet 402. One end of the outlet of the oil inlet 402 is connected to the oil tank 401. The sliding frame 403 is fixedly mounted on one side of the oil tank 401. One end of the sliding frame 403 extends to the outside of one side of the mounting shell 4. The oil outlet plate 404 is fixedly mounted on one end of the sliding frame 403. A plurality of holes are provided on one side of the oil outlet plate 404. One of the sponge blocks 405 is fixedly mounted on one side of the oil outlet plate 404. A plurality of sponge blocks 405 are fixedly mounted on one side of the oil outlet plate 404 by sponge columns 406. The oil tank 401 is provided with a lubricating mechanism, and the oil tank 401 is used for filling and storing lubricating oil, and the lubricating oil can be added through the oil inlet 402. When the rotating shaft 3 rotates, the lubricating oil is sprayed out from the oil outlet column 407 by centrifugal force, and the moving block 408 is moved toward the sponge block 405 by centrifugal force at the same time, squeezing the sponge block 405 and the sprayed lubricating oil at the same time, so that the sponge block 405 absorbs the lubricating oil faster, and through the squeezing between the moving block 408 and the oil outlet plate 404, the lubricating oil is squeezed onto the ball inside the bearing 503 on one side of the oil outlet plate 404, so that the bearing 503 can be more conveniently added with lubricating oil, thereby increasing the lubrication effect.

[0023] Furthermore, a motor assembly is provided: the motor assembly includes a motor housing 5, a dustproof housing 501, a stator 502, a bearing 503, a fan blade 504, a connection interface 505 and a collector ring 506, the dustproof housing 501 is fixedly mounted on one end of the motor housing 5, the bearing 503 is fixedly mounted on both ends of the inner wall of the motor housing 5, the stator 502 is fixedly mounted on the inner wall of the motor housing 5, the outer wall of the rotating shaft 3 is fixedly mounted on the inner ring of the bearing 503, one end of the sliding frame 403 extends to the inside of the bearing 503, and the oil outlet plate 404 is located on the side of the ball inside the corresponding bearing 503, the rotor core punching 1 is located inside the stator 502, and the fan blade 504 is fixedly mounted. It is mounted on the outer wall of one end of the rotating shaft 3 extending to the inside of the dustproof housing 501, and the collector ring 506 is fixedly mounted on the inner wall of the motor housing 5. A part of the outer wall of the rotating shaft 3 is fixedly mounted in the inner ring of the inner ring of the collector ring 506. The connecting interface 505 is fixedly mounted on the outer wall of the motor housing 5, and the collector ring 506 is connected to the connecting interface 505 through a wire. In this example, the stator 502 is a permanent magnet ring, and the motor rotor inputs an electrical signal through the collector ring 506, so that the motor rotor and the rotor winding 113 are energized to make the motor rotor work, and when the rotating shaft 3 rotates, it drives the fan blades 504 to rotate, so that the external airflow enters the motor housing 5 to dissipate heat inside the motor housing 5.

[0024] The working process and principle of the present invention are as follows: when installing the rotor core punching sheets 1, the rotor core punching sheets 1 are aligned and stacked together, and the second fixing plate 301 on the rotating shaft 3 is inserted into the corresponding installation port 105 through the slot 106, and the rotating shaft 3 is rotated to make the second fixing plate 301 on the rotating shaft 3 move in the same trajectory direction, so that the socket 302 on the second fixing plate 301 is plugged into the corresponding fixing column 108, and then the first rotor core mounting seat 2 and the second rotor core mounting seat 204 clamp the rotating shaft 3 and the motor rotor core as a whole between the first rotor core mounting seat 2 and the second rotor core mounting seat 204, and the mounting columns 205 on the first rotor core mounting seat 2 and the second rotor core mounting seat 204 are fixed by screws to complete the installation.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A motor rotor, characterized in that: include: A rotating shaft (3), wherein the rotating shaft (3) is arranged inside the motor; A heat dissipation fixing mechanism; the heat dissipation fixing mechanism is arranged on the outer wall of the rotating shaft (3), and the heat dissipation fixing mechanism assembles the rotor core punching sheets (1) in the heat dissipation fixing mechanism through a first fixing plate (107) and a plurality of fixing columns (108); A flow guiding mechanism, the flow guiding mechanism being arranged outside the heat dissipation fixing mechanism, and the flow guiding mechanism guides the airflow outside the heat dissipation fixing mechanism through an air guide plate (202) therein; A lubrication mechanism, the lubrication mechanism being arranged at both ends of the outer wall of the rotating shaft (3), the lubrication mechanism lubricating the bearing (503) inside the motor through the sponge block (405) and the sponge column (406) therein; The heat dissipation fixing mechanism comprises a mounting ring groove (101), a plurality of first connecting grooves (102), a plurality of second connecting grooves (103), a plurality of mounting openings (105), a slot (106), a heat dissipation ring sheet (109), a plurality of heat dissipation notch plates (110), a plurality of heat dissipation cylinder columns (111) and a heat dissipation metal ring (112).

2. A motor rotor according to claim 1, characterized in that: The mounting ring groove (101), the plurality of the first connecting grooves (102) and the plurality of the second connecting grooves (103) are arranged on the surfaces of both ends of the rotor core punching sheet (1); the mounting ring groove (101), the first connecting groove (102) and the second connecting groove (103) on the surfaces of both ends of the rotor core punching sheet (1) are positioned opposite to each other; the first connecting groove (102) is located at the edge of the inner ring of the rotor core punching sheet (1), and one end of the first connecting groove (102) extends to the inner ring of the rotor core punching sheet (1). Inside, the second connecting groove (103) is located at the outer ring edge of the rotor core punching sheet (1), and one end of the second connecting groove (103) extends to the outside of the outer ring of the rotor core punching sheet (1), the other ends of the first connecting groove (102) and the second connecting groove (103) are respectively connected to the mounting ring groove (101), the heat dissipation ring sheet (109) is welded and fixed to the groove wall of the mounting ring groove (101), a plurality of heat dissipation notch plates (110) are integrally formed on the inner wall of the heat dissipation ring sheet (109), and the heat dissipation tube The column (111) is integrally formed on the outer wall of the heat dissipation annular sheet (109), the heat dissipation metal ring (112) is integrally formed on one end of the heat dissipation notch plate (110), the heat dissipation annular sheets (109) at both ends of the rotor core punching sheet (1) are connected into a whole through the heat dissipation metal ring (112), the heat dissipation notch plate (110) is fixedly mounted on the groove wall of the first connecting groove (102), the heat dissipation column (111) is fixedly mounted on the groove wall of the second connecting groove (103), and a plurality of the mounting openings (105) are opened. The slot (106) is arranged on the inner wall of the rotor core punching sheet (1), the slot (106) is opened at both ends of the inner wall of the installation opening (105), and the slot (106) passes through the rotor core punching sheet (1), the first fixing plate (107) is fixedly installed on one side of the inner wall of the installation opening (105), and a plurality of fixing columns (108) are fixedly installed on one side of the first fixing plate (107); a plurality of the rotor core punching sheets (1) are stacked to form a motor rotor core as a whole, and a rotor winding (113) is wound and installed on the motor rotor core as a whole.

3. The motor rotor according to claim 1, characterized in that: The air guide mechanism comprises a first rotor core mounting seat (2), a plurality of extension plates (201), a plurality of fixing holes (203), a second rotor core mounting seat (204), a plurality of mounting posts (205), a card interface (206), a plurality of positioning grooves (207) and a plurality of air inlet holes (208); the first rotor core mounting seat (2) and the second rotor core mounting seat (204) are respectively arranged at two ends of the motor rotor core as a whole; the plurality of extension plates (201) are integrally formed on the outer wall of the first rotor core mounting seat (2), and the other end of the extension plates (201) extends to the outer wall of the second rotor core mounting seat (204); the plurality of air guide plates (202) are welded and fixed to the outer wall of the second rotor core mounting seat (204); The plurality of fixing holes (203) are provided on one side of the extension plate (201); a plurality of the fixing holes (203) are provided on an edge of one end of the first rotor core mounting seat (2); a plurality of the mounting posts (205) are welded and fixedly installed on an edge of one end of the second rotor core mounting seat (204); the mounting posts (205) correspond to the positions of the fixing holes (203); the card interface (206) is provided on one end of the first rotor core mounting seat (2) and the second rotor core mounting seat (204); a plurality of the positioning grooves (207) are provided on the inner wall of the card interface (206); and a plurality of the air inlet holes (208) are provided on one end of the first rotor core mounting seat (2) and the second rotor core mounting seat (204).

4. A motor rotor according to claim 3, characterized in that: The rotating shaft (3) is mounted in a clamping interface (206) on the first rotor core mounting seat (2) and the second rotor core mounting seat (204), and a plurality of positioning protrusions (303) are integrally formed at both ends of the outer wall of the rotating shaft (3).

5. A motor rotor according to claim 4, characterized in that: The positioning protrusion (303) is engaged in the positioning groove (207) corresponding to the first rotor core mounting seat (2) and the second rotor core mounting seat (204).

6. A motor rotor according to claim 4, characterized in that: A plurality of mounting holes (104) are provided on the outer wall edge of the rotor core punching sheet (1); the mounting column (205) at one end of the second rotor core mounting seat (204) passes through the corresponding mounting hole (104) and extends into the fixing hole (203) on the first rotor core mounting seat (2); and one end of the mounting column (205) extending into the fixing hole (203) is fixedly mounted on the first rotor core mounting seat (2) by means of screws.

7. The motor rotor according to claim 1, characterized in that: A plurality of second fixing plates (301) are fixedly mounted on the outer wall of the rotating shaft (3), a plurality of insertion holes (302) are fixedly mounted on one side of the second fixing plates (301), the second fixing plates (301) are snap-fitted to the mounting openings (105) on the corresponding rotor core punching sheets (1), and the fixing columns (108) are snap-fitted to the insides of the corresponding insertion holes (302).

8. The motor rotor according to claim 1, characterized in that: Fixed rings (305) are fixedly mounted on both ends of the outer wall of the rotating shaft (3). The outer wall of the rotating shaft (3) is provided with a plurality of ventilation channels (304), and the ventilation channels (304) are located on the inner wall of the heat dissipation metal ring (112).

9. The motor rotor according to claim 8, characterized in that: The lubrication mechanism comprises a mounting shell (4), an oil tank (401), a plurality of oil inlets (402), a sliding frame (403), an oil outlet plate (404), an oil outlet column (407) and a moving block (408); the mounting shell (4) is fixedly mounted on one end of the fixing ring (305) by means of screws; the oil tank (401) is fixedly mounted on the outer wall of the mounting shell (4); the mounting shell (4) and the oil tank (401) are both annular; the plurality of oil inlets (402) are fixedly mounted on the outer wall of the mounting shell (4); a one-way valve is provided at one end of the inlet of the oil inlet (402); one end of the outlet of the oil inlet (402) is connected to the oil tank (401); and the sliding frame (403) is fixedly mounted on one side of the oil tank (401). One end of the sliding frame (403) extends to the outside of one side of the mounting shell (4); the oil outlet plate (404) is fixedly mounted on one end of the sliding frame (403); a plurality of holes are opened on one side of the oil outlet plate (404); one of the sponge blocks (405) is fixedly mounted on one side of the oil outlet plate (404); a plurality of the sponge blocks (405) are fixedly connected via the sponge column (406); the sponge block (405) and the sponge column (406) are located at one end inside the sliding frame (403); the oil outlet column (407) is fixedly mounted on one side of the oil tank (401); the oil outlet column (407) is located inside the sliding frame (403); and the moving block (408) is slidably mounted on the outer wall of the oil outlet column (407).

10. A motor assembly, characterized in that: The motor assembly comprises a motor housing (5), a dustproof housing (501), a stator (502), a bearing (503), a fan blade (504), a connection interface (505), a collector ring (506), and a motor rotor according to any one of claims 1 to 9, wherein the dustproof housing (501) is fixedly mounted on one end of the motor housing (5), the bearing (503) is fixedly mounted on both ends of the inner wall of the motor housing (5), the stator (502) is fixedly mounted on the inner wall of the motor housing (5), the outer wall of the rotating shaft (3) is fixedly mounted on the inner ring of the bearing (503), and one end of the sliding frame (403) extends to the bearing (503). The motor housing (5) is a motor housing having an inner wall and an outer wall of the motor housing (5). The motor housing (5) is a motor housing having an inner wall and an outer wall of the motor housing (5). The motor housing (5) is a motor housing having an inner wall and an outer wall of the motor housing (5). The motor housing (5) is a motor housing having an inner wall and an outer wall of the motor housing (5). The motor housing (5) is a motor housing having an inner wall and an inner ...

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