阅读说明：本技术 一种转子找正设备 (Rotor alignment equipment ) 是由 陈磐 陶子奎 叶衍东 于 2020-07-29 设计创作，主要内容包括：本发明公开一种转子找正设备,用于定位转子槽口以找正转子在焊锡前的对应位置,转子找正设备包括找正工作台、用于竖直放置转子的转子旋转定位套、找正旋转轴、旋转驱动机构以及转子槽口定位机构,找正旋转轴的上部连接转子旋转定位套,旋转驱动机构的驱动端通过联轴器与找正旋转轴的下部相连接；转子槽口定位机构包括可往复水平运动的转子槽口定位轴以及使得转子槽口定位轴往复水平运动的定位轴传动组件,转子槽口定位轴往复水平运动与转子旋转定位套带动转子旋转运动的配合作用下形成转子槽口定位轴对转子槽口的精确定位。该转子找正设备采用机械定位和电机结合的方式定位转子槽口,大大提高了转子的定位精度,且稳定性高。(The invention discloses a rotor alignment device, which is used for positioning a rotor notch to align the corresponding position of a rotor before soldering, and comprises an alignment workbench, a rotor rotating positioning sleeve for vertically placing the rotor, an alignment rotating shaft, a rotating driving mechanism and a rotor notch positioning mechanism, wherein the upper part of the alignment rotating shaft is connected with the rotor rotating positioning sleeve, and the driving end of the rotating driving mechanism is connected with the lower part of the alignment rotating shaft through a coupler; the rotor notch positioning mechanism comprises a rotor notch positioning shaft capable of performing reciprocating horizontal motion and a positioning shaft transmission assembly enabling the rotor notch positioning shaft to perform reciprocating horizontal motion, and the rotor notch positioning shaft performs reciprocating horizontal motion and the rotor rotation positioning sleeve drives the rotor to perform rotary motion under the matching action to form accurate positioning of the rotor notch positioning shaft. This rotor alignment equipment adopts the mode location rotor notch that mechanical positioning and motor combine, has improved the positioning accuracy of rotor greatly, and stability is high.)

1. A rotor alignment apparatus for positioning a rotor slot to align a corresponding position of a rotor before soldering, the rotor alignment apparatus comprising:

aligning the workbench;

the rotor rotating and positioning sleeve is used for vertically placing a rotor, the rotor rotating and positioning sleeve is positioned above the alignment workbench, a rotor fixing assembly for fixing the rotor is arranged on the rotor rotating and positioning sleeve, and a plurality of rotor notches and rotor punching sheets positioned among the rotor notches are arranged on the rotor;

the alignment rotating shaft is fixed on the alignment workbench through a bearing, and the upper part of the alignment rotating shaft is connected with the rotor rotation positioning sleeve;

the rotary driving mechanism is fixed at the lower part of the alignment workbench, and the driving end of the rotary driving mechanism is connected with the lower part of the alignment rotating shaft through a coupler;

rotor notch positioning mechanism, but including reciprocal horizontal motion's rotor notch location axle and make rotor notch location axle reciprocating horizontal motion's location axle drive assembly, a tip of rotor notch location axle is equipped with the location axle convex part that can the inlay card rotor notch, rotor notch location axle reciprocating horizontal motion and rotor rotational positioning cover drive rotor rotary motion's mating action down form the accurate positioning of rotor notch location axle to the rotor notch.

2. The rotor alignment apparatus according to claim 2, wherein the positioning shaft transmission assembly comprises a fixed frame, a positioning shaft mounting seat fixed on the fixed frame, a positioning shaft toggle piece capable of moving along a horizontal line of the positioning shaft mounting seat, and a compression spring sleeved on the positioning shaft of the rotor notch and arranged in the positioning shaft mounting seat, wherein a compression spring accommodating groove and a positioning shaft through hole are arranged in the positioning shaft mounting seat, and the compression spring accommodating groove is communicated with the positioning shaft through hole;

a section of flange is arranged on the rotor notch positioning shaft along the radial direction to abut against the compression spring, and the other end of the compression spring abuts against the bottom of the compression spring accommodating groove;

the positioning shaft poking piece is fixed with the other end of the rotor notch positioning shaft through a limiting pin shaft, and a horizontal limiting chute corresponding to the limiting pin shaft is arranged on the positioning shaft mounting seat;

the positioning shaft mounting seat is also provided with a toggle piece limiting groove which is vertical to the horizontal limiting sliding groove, the intersection of the horizontal limiting sliding groove and the toggle piece limiting groove passes through the positioning shaft through hole, and the lower side of the bottom of the toggle piece limiting groove is provided with an arc transition part so that the positioning shaft toggle piece is in tangential contact with the lower side of the bottom of the toggle piece limiting groove;

the alignment pushing piece is positioned below the positioning shaft shifting piece and can move up and down, and the alignment pushing piece pushes the bottom of the positioning shaft shifting piece upwards so that the upper part of the positioning shaft shifting piece drives the notch of the rotor to be positioned and axially move in a straight line far away from one side of the rotor rotation positioning sleeve; when the alignment pushing piece descends, the rotor notch positioning shaft moves towards one side close to the rotor rotation positioning sleeve under the elastic action of the compression spring and enables the positioning shaft convex part of the rotor notch positioning shaft to be abutted to the rotor punching sheet on the rotor rotation positioning sleeve in an extending mode.

3. The rotor alignment apparatus of claim 1, wherein the rotary drive mechanism is an electric motor.

4. The rotor alignment apparatus according to claim 3, wherein a U-shaped position-limiting member is disposed at an upper portion of the fixing frame for limiting an upper end portion of the positioning shaft-pulling member, a motor sensor is disposed in a slot of the U-shaped position-limiting member, and when the upper end portion of the positioning shaft-pulling member returns to the slot of the U-shaped position-limiting member, the motor sensor sends a stop signal to the motor to form an accurate positioning of the rotor notch by the rotor notch positioning shaft.

5. The rotor alignment apparatus of claim 2, wherein the drive end of the alignment pusher is provided with a cylinder.

6. The rotor alignment device as claimed in claim 5, wherein a cylinder sensor is disposed on the rotor rotational positioning sleeve, and when the rotor is placed on the rotor rotational positioning sleeve, a signal is sent to the cylinder to make the cylinder drive the alignment pushing member to descend.

7. The rotor alignment device as claimed in claim 1, wherein the rotor fixing assembly includes a plurality of mounting holes uniformly formed along a circumference of the rotor rotation positioning sleeve and magnet blocks disposed in the mounting holes, and an attractive force of the magnet blocks to the rotor is greater than a friction force when the positioning shaft protruding portion abuts against the rotor punching sheet.

8. The rotor alignment apparatus as in any of claims 2-7, wherein the positioning shaft toggle member is approximately L-shaped and the push rod toggle member is provided with an included angle at an obtuse angle.

9. The rotor alignment apparatus according to claim 8, further comprising a buffer member located at an included angle of the positioning shaft toggle member, wherein the buffer member is hinged to the positioning shaft toggle member through a pin, and when the positioning shaft of the notch of the rotor moves linearly toward a side close to the rotary positioning sleeve of the rotor under the elastic force of the compression spring, the gravity of the buffer member and the frictional resistance at the hinged position of the positioning shaft toggle member can buffer the impact force of the convex portion of the positioning shaft against the rotor located on the rotary positioning sleeve of the rotor.

10. The rotor alignment apparatus of claim 9, wherein the buffer member is a regular cylinder, and the bottom of the buffer member is located on the same plane as the bottom of the positioning shaft-pulling member when the positioning shaft-pulling member is positioned at the highest position on the alignment pushing member.

Technical Field

The invention relates to the technical field of motor rotor processing, in particular to rotor alignment equipment for positioning a rotor notch in a rotor soldering process.

Background

Rotor soldering tin is a high and new technology product, and two difficult points that rotor soldering tin equipment need solve need the one-to-one correspondence in the position of piezo-resistor and rotor commutator, and the rotor that welds out like this is qualified, and corresponding rotor alignment mechanism and piezo-resistor alignment mechanism that give birth to, most rotor notch center and rotor commutator center are on a line, even have the angle difference, also can realize through rotatory certain angle after the rotor alignment. The existing rotor alignment mechanism adopts a mechanism of an optical fiber and a rotary cylinder or a mechanism of a motor and the optical fiber, and due to the interference force action of the rotary cylinder or the motor, the rotor is difficult to be accurately positioned, the central position of a welding lug of a commutator cannot be ensured by optical fiber induction, so that the rotor is deviated in place, and the positioning precision of the rotor is not high. After the rotor and the pressure-sensitive position are correspondingly superposed on the jig, once the pressure-sensitive soldering tin position and the commutator of the rotor deviate, the welded rotor can be electrified integrally when being detected, and short circuit is caused.

In order to solve the above problems, the technical staff have the following technical solutions through intensive research.

Disclosure of Invention

For solving above-mentioned technical problem, this application provides a rotor alignment equipment, adopts the mode location rotor notch that mechanical positioning and motor combine, has improved the positioning accuracy of rotor greatly, and stability is high.

In order to achieve the purpose, the following technical scheme is adopted:

a rotor alignment apparatus for positioning a rotor slot to align a corresponding position of a rotor before soldering, the rotor alignment apparatus comprising:

aligning the workbench;

the rotor rotating and positioning sleeve is used for vertically placing a rotor, the rotor rotating and positioning sleeve is positioned above the alignment workbench, a rotor fixing assembly for fixing the rotor is arranged on the rotor rotating and positioning sleeve, and a plurality of rotor notches and rotor punching sheets positioned among the rotor notches are arranged on the rotor;

the alignment rotating shaft is fixed on the alignment workbench through a bearing, and the upper part of the alignment rotating shaft is connected with the rotor rotation positioning sleeve;

the rotary driving mechanism is fixed at the lower part of the alignment workbench, and the driving end of the rotary driving mechanism is connected with the lower part of the alignment rotating shaft through a coupler;

rotor notch positioning mechanism, but including reciprocal horizontal motion's rotor notch location axle and make rotor notch location axle reciprocating horizontal motion's location axle drive assembly, a tip of rotor notch location axle is equipped with the location axle convex part that can the inlay card rotor notch, rotor notch location axle reciprocating horizontal motion and rotor rotational positioning cover drive rotor rotary motion's mating action down form the accurate positioning of rotor notch location axle to the rotor notch.

Furthermore, the positioning shaft transmission assembly comprises a fixed frame, a positioning shaft mounting seat fixedly arranged on the fixed frame, a positioning shaft stirring piece capable of moving along a horizontal straight line of the positioning shaft mounting seat, and a compression spring sleeved on the positioning shaft of the notch of the rotor and arranged in the positioning shaft mounting seat, wherein a compression spring accommodating groove and a positioning shaft through hole are formed in the positioning shaft mounting seat, and the compression spring accommodating groove is communicated with the positioning shaft through hole;

a section of flange is arranged on the rotor notch positioning shaft along the radial direction to abut against the compression spring, and the other end of the compression spring abuts against the bottom of the compression spring accommodating groove;

the positioning shaft poking piece is fixed with the other end of the rotor notch positioning shaft through a limiting pin shaft, and a horizontal limiting chute corresponding to the limiting pin shaft is arranged on the positioning shaft mounting seat;

the positioning shaft mounting seat is also provided with a toggle piece limiting groove which is vertical to the horizontal limiting sliding groove, the intersection of the horizontal limiting sliding groove and the toggle piece limiting groove passes through the positioning shaft through hole, and the lower side of the bottom of the toggle piece limiting groove is provided with an arc transition part so that the positioning shaft toggle piece is in tangential contact with the lower side of the bottom of the toggle piece limiting groove;

the alignment pushing piece is positioned below the positioning shaft shifting piece and can move up and down, and the alignment pushing piece pushes the bottom of the positioning shaft shifting piece upwards so that the upper part of the positioning shaft shifting piece drives the notch of the rotor to be positioned and axially move in a straight line far away from one side of the rotor rotation positioning sleeve; when the alignment pushing piece descends, the rotor notch positioning shaft moves towards one side close to the rotor rotation positioning sleeve under the elastic action of the compression spring and enables the positioning shaft convex part of the rotor notch positioning shaft to be abutted to the rotor punching sheet on the rotor rotation positioning sleeve in an extending mode.

Further, the rotary drive mechanism is a motor.

Furthermore, the upper portion of mount sets up spacingly the U type locating part of locating shaft stirring piece upper end, set up motor sensor in the draw-in groove of U type locating part, when locating shaft stirring piece upper end got back to the draw-in groove of U type locating part, motor sensor sent stop signal to the motor and formed the accurate positioning of rotor notch location axle to the rotor notch.

Further, a cylinder is arranged at the driving end of the alignment pushing piece.

Further, an air cylinder sensor is arranged on the rotor rotating positioning sleeve, and when the rotor is placed on the rotor rotating positioning sleeve, a signal is sent to the air cylinder to enable the air cylinder to drive the alignment pushing piece to descend.

Further, the rotor fixing assembly comprises a plurality of mounting holes uniformly arranged along a circle on the rotor rotating positioning sleeve and magnet blocks arranged in the mounting holes, and attraction of the magnet blocks to the rotor is greater than friction force generated when the positioning shaft protruding part is abutted to the rotor punching sheet.

Furthermore, the positioning shaft poking piece is approximately L-shaped, and the push rod poking piece is provided with an included angle which is an obtuse angle.

Further, still including being located the locating shaft dials piece contained angle department the bolster, the bolster with the locating shaft dials the piece and articulates through the round pin axle, and when rotor notch locating shaft was close to under compression spring's elastic action during rotor rotational positioning cover one side linear motion, the gravity of bolster itself and with the locating shaft dial piece articulated frictional resistance can cushion the locating shaft convex part butt and be located on the rotor rotational positioning cover the impact force of rotor.

Furthermore, the buffer part is a regular cylinder, and when the positioning shaft shifting part is estimated to be at the highest on the alignment pushing part, the bottom of the buffer part and the bottom of the positioning shaft shifting part are located on the same plane.

By adopting the technical scheme, the method has the following technical effects:

1. the rotor alignment equipment disclosed by the invention is used for positioning the notch of the rotor in a mode of combining mechanical positioning and the motor, is accurate in positioning and stable in operation and solves a series of problems of assembly of the existing motor.

2. The invention relates to a rotor alignment device, in particular to a rotor notch positioning mechanism which comprises a rotor notch positioning shaft capable of moving horizontally in a reciprocating mode and a positioning shaft transmission assembly capable of enabling the rotor notch positioning shaft to move horizontally in a reciprocating mode.

3. According to the rotor alignment equipment, the positioning shaft transmission assembly achieves the effect of reciprocating horizontal motion of the positioning shaft at the notch of the rotor by adopting an ingenious structural design, and specifically comprises an alignment pushing piece capable of moving up and down below a positioning shaft shifting piece, and an arc transition part is arranged at the lower side of the bottom of a shifting piece limiting groove so that the positioning shaft shifting piece is in tangential contact with the lower side of the bottom of the shifting piece limiting groove; the positioning shaft stirring piece and the other end of the rotor notch positioning shaft limit the positioning shaft stirring piece to drive the rotor notch positioning shaft to move along the horizontal straight line of the positioning shaft mounting seat through the limiting pin shaft and the horizontal limiting sliding groove, so that the positioning shaft stirring piece and the rotor notch positioning shaft are combined, and the effect that the upper part of the positioning shaft stirring piece drives the rotor notch positioning shaft to move linearly towards one side far away from the rotor rotation positioning sleeve is achieved; when the alignment pushing piece descends, the rotor notch positioning shaft linearly moves towards one side close to the rotor rotation positioning sleeve under the action of the elastic force of the compression spring, and the positioning shaft convex part of the rotor notch positioning shaft is enabled to be abutted against the rotor on the rotor rotation positioning sleeve, so that preparation work is prepared for next rotor notch positioning;

4. according to the rotor alignment equipment, the rotor fixing assembly for fixing the rotor is arranged on the rotor rotating positioning sleeve, the rotor fixing assembly is provided with the plurality of mounting holes uniformly arranged along the circumference of the rotor rotating positioning sleeve, and the magnet blocks are arranged in the mounting holes in a certain number, so that the attraction of the magnet blocks to the rotor is ensured to be larger than the friction force generated when the convex part of the positioning shaft is abutted against the rotor punching sheet, the rotor can rotate along with the rotor rotating positioning sleeve, and the flexible clamping of the mechanical clamping jaw symmetrical rotor on an automatic rotor production line can be met.

5. According to the rotor alignment equipment, the positioning shaft stirring piece is approximately L-shaped, the buffering piece hinged through the pin shaft is arranged at the included angle of the positioning shaft stirring piece, when the rotor notch positioning shaft moves linearly towards one side close to the rotor rotation positioning sleeve under the elastic force of the compression spring, the impact force of the convex part of the positioning shaft in abutting connection with the rotor on the rotor rotation positioning sleeve can be buffered by the gravity of the buffering piece and the friction resistance at the hinged part of the positioning shaft stirring piece, and the damage to the rotor punching sheet extension is greatly reduced.

Drawings

FIG. 1 is a schematic structural view of a rotor alignment apparatus of the present invention;

FIG. 2 is a schematic structural view of a rotor of the present invention;

FIG. 3 is a partially omitted schematic view of the rotor slot positioning mechanism of the present invention;

FIG. 4 is a schematic structural view of a positioning shaft mount of the present invention;

FIG. 5 is a schematic view of another angle of the positioning shaft mounting base of the present invention;

in the figure: a rotor-100; rotor slot-101; a rotor sheet-102; an alignment workbench-10; a rotor rotation positioning sleeve-20; aligning the rotating shaft-30; rotor notch positioning shaft-41; positioning the shaft projection-411; a fixed mount-421; a U-shaped limiting part-4211; motor sensor-4212; positioning the shaft mount-422; a horizontal limit chute-4221; a toggle piece limiting groove-4222; an arcuate transition-4223; a positioning shaft toggle-423; a compression spring-424; a compression spring receiving groove-425; positioning shaft through hole-426; a limiting pin shaft-43; aligning the push piece-50; a rotary drive mechanism-60; a cylinder-70; a buffer-80.

Detailed Description

Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

With reference to fig. 1-5, the present application provides a rotor alignment apparatus for positioning a rotor slot to align a corresponding position of a rotor before soldering, the rotor alignment apparatus comprising: the alignment device comprises an alignment workbench 10, a rotor rotating positioning sleeve 20, an alignment rotating shaft 30, a rotating driving mechanism 60 and a plurality of rotor punching sheets, wherein the rotor rotating positioning sleeve 20 is positioned above the alignment workbench 10 and used for vertically placing a rotor 100, the alignment rotating shaft 30 is fixed on the alignment workbench 10 through a bearing, the upper part of the alignment rotating positioning sleeve is connected with the rotor rotating positioning sleeve 20, the lower part of the alignment workbench 10 is fixed, the driving end of the alignment rotating driving mechanism is connected with the lower part of the alignment rotating shaft through a coupler, a rotor fixing component for fixing the rotor is arranged on the rotor rotating positioning sleeve 20, and the rotor 100 is provided; still include rotor notch positioning mechanism, but specifically including reciprocal horizontal motion's rotor notch location axle 41 and make rotor notch location axle 41 reciprocal horizontal motion's location axle drive assembly, a tip of rotor notch location axle 41 is equipped with the location axle convex part 411 that can the inlay card rotor notch, rotor notch location axle 41 reciprocal horizontal motion and rotor rotational positioning cover 20 drive the accurate positioning of rotor notch 101 of formation rotor notch location axle 41 down of the mating reaction of rotor 100 rotary motion.

In this embodiment, as shown in fig. 1 to 5, the positioning shaft transmission assembly includes a fixing frame 421, a positioning shaft mounting seat 422 fixed on the fixing frame 421, a positioning shaft toggle member 423 capable of moving linearly along the positioning shaft mounting seat 422, a compression spring 424 sleeved on the rotor notch positioning shaft 41 and disposed in the positioning shaft mounting seat 422, a compression spring receiving groove 425 and a positioning shaft through hole 426 disposed in the positioning shaft mounting seat 422, the compression spring receiving groove 425 and the positioning shaft through hole 426 being communicated; a section of flange is arranged on the rotor notch positioning shaft 41 along the radial direction to abut against the compression spring 424, and the other end of the compression spring 424 abuts against the bottom of the compression spring accommodating groove; the positioning shaft stirring piece 423 is fixed with the other end of the rotor notch positioning shaft 41 through a limiting pin shaft 43, and a horizontal limiting chute 4221 corresponding to the limiting pin shaft 43 is arranged on the positioning shaft mounting seat 422; the positioning shaft mounting seat 422 is further provided with a toggle piece limiting groove 4222 which is perpendicular to the horizontal limiting sliding groove 4221, the intersection of the horizontal limiting sliding groove 4221 and the toggle piece limiting groove 4222 passes through the positioning shaft through hole 426, and the lower side of the bottom of the toggle piece limiting groove 4222 is provided with an arc-shaped transition part 4223 so that the positioning shaft toggle piece 423 is in tangential contact with the lower side of the bottom of the toggle piece limiting groove 4222; the aligning pushing piece 50 is positioned below the positioning shaft shifting piece 423 and can move up and down, when the aligning pushing piece 50 pushes the lower end of the positioning shaft shifting piece 423, the upper end of the positioning shaft shifting piece 423 achieves a lever-type movement effect by taking a tangent contact point as a fulcrum, and the positioning shaft shifting piece 423 and the other end of the rotor notch positioning shaft 41 limit the positioning shaft shifting piece 423 to drive the rotor notch positioning shaft 41 to move horizontally and linearly along the positioning shaft mounting seat 422 through the limit pin shaft 43 and the horizontal limit sliding groove 4221, so that when the aligning pushing piece 50 pushes the lower end of the positioning shaft shifting piece 423, the upper part of the positioning shaft shifting piece 423 drives the rotor notch positioning shaft 41 to move linearly to the side far away from the rotor rotation positioning sleeve 20; when the alignment pushing piece 50 descends, the rotor notch positioning shaft 41 linearly moves towards one side close to the rotor rotation positioning sleeve 20 under the elastic force of the compression spring 424, and the positioning shaft convex part 411 of the rotor notch positioning shaft 41 abuts against the extension of the rotor sheet 102 on the rotor rotation positioning sleeve; step motor is selected for use by rotary driving mechanism 60, the upper portion of mount 421 sets up the U type locating part 4211 of spacing location axle toggle piece 423 upper end, set up motor sensor 4212 in the draw-in groove of U type locating part 4211, when locating axle toggle piece 423 upper end returned to the draw-in groove of U type locating part 4211, motor sensor 4212 sends stop signal to the motor and forms the accurate positioning of rotor notch location axle 41 to the rotor notch, if motor sensor 4212 did not sense the location axle toggle piece 423, the motor can continue to rotate, until location axle convex part 411 blocks the notch, so accurate location rotor.

1. The rotor alignment equipment disclosed by the invention is used for positioning the notch of the rotor in a mode of combining mechanical positioning and the motor, is accurate in positioning and stable in operation and solves a series of problems of assembly of the existing motor.

2. The invention relates to a rotor alignment device, in particular to a rotor notch positioning mechanism which comprises a rotor notch positioning shaft capable of moving horizontally in a reciprocating mode and a positioning shaft transmission assembly capable of enabling the rotor notch positioning shaft to move horizontally in a reciprocating mode.

In this implementation, the rotor fixing component includes a plurality of mounting holes evenly arranged along a circle on the rotor rotational positioning sleeve 20 and the magnet blocks arranged in the mounting holes, and ensures that the attraction of the magnet blocks to the rotor 100 is greater than the friction force when the positioning shaft convex part 411 abuts against the rotor sheet 102, so that the rotor 100 can rotate along with the rotor rotational positioning sleeve 20, and the flexible clamping of the mechanical clamping jaw symmetric rotor 100 on the automatic rotor production line can be satisfied.

In this embodiment, as shown in fig. 1 to 3, an air cylinder 70 is disposed at a driving end of the alignment pushing element 50, an air cylinder sensor is disposed on the rotor rotation positioning sleeve 20, when the rotor 100 is placed on the rotor rotation positioning sleeve 20, the magnet blocks inlaid in the periphery of the rotor rotation positioning sleeve 20 attract the rotor, the air cylinder sensor 70 senses the rotor 100, and sends a signal to the air cylinder 70, so that the air cylinder 70 drives the alignment pushing element 50 to descend. When the alignment pushing piece 50 descends, the rotor notch positioning shaft 41 linearly moves towards one side close to the rotor rotation positioning sleeve 20 under the elastic action of the compression spring 424 and enables the positioning shaft convex part 411 of the rotor notch positioning shaft 41 to abut against the rotor punching sheet 102 on the rotor rotation positioning sleeve, the motor continuously rotates, the rotor rotation positioning sleeve 20 drives the rotor to rotate, and until the rotor notch 101 rotates to the position of the positioning shaft convex part 411 of the rotor notch positioning shaft 41, the positioning shaft convex part 411 of the rotor notch positioning shaft 41 can be ejected between the rotor notches 101, so that the accurate positioning of the rotor notch 101 is formed.

In this embodiment, as shown in fig. 1 and 3, the positioning shaft stirring member 423 is approximately L-shaped, a buffering member 80 is disposed at an included angle of the positioning shaft stirring member 423 that is approximately L-shaped, the buffering member 80 is hinged to the positioning shaft stirring member 423 through a pin, and when the rotor notch positioning shaft 41 moves linearly toward one side of the rotor rotation positioning sleeve 20 under the elastic force of the compression spring 424, the gravity of the buffering member 80 and the frictional resistance at the hinged position of the positioning shaft stirring member can buffer the impact force of the positioning shaft protrusion 411 abutting against the rotor on the rotor rotation positioning sleeve 20.

In this embodiment, as shown in fig. 1, the buffering element 80 is a regular cylinder, when the positioning shaft shifting element 423 is pushed to the highest position on the alignment pushing element 50, the bottom of the buffering element 80 and the bottom of the positioning shaft shifting element 423 are located on the same plane, at this time, the buffering element 80 is located at the highest position, and preparation is made for buffering the impact force of the positioning shaft protrusion 411 abutting against the rotor on the rotor rotation positioning sleeve 20 in the next step, when the rotor notch positioning shaft 41 moves linearly towards the side close to the rotor rotation positioning sleeve 20 under the elastic force of the compression spring 424, the gravity of the buffering element 80 and the friction resistance at the hinge joint with the positioning shaft shifting element 423 can buffer the impact force of the positioning shaft protrusion 411 abutting against the rotor 100 on the rotor rotation positioning sleeve 20, so as to greatly reduce the damage to the rotor punching sheet extension 102.

By adopting the technical scheme, the specific working process is as follows:

1. on the automatic rotor production line, a mechanical clamping jaw places the rotor 100 on the rotor rotation positioning sleeve 20, a magnet block on the rotor rotation positioning sleeve attracts and positions the rotor 100, after a cylinder sensor positioned in the rotor rotation positioning sleeve 20 senses the rotor 100, a driving cylinder drives the alignment pushing piece 50 to descend, when the alignment pushing piece 50 descends, the rotor notch positioning shaft 41 linearly moves towards one side close to the rotor rotation positioning sleeve 20 under the elastic force action of the compression spring 424 and enables the positioning shaft convex part 411 of the rotor notch positioning shaft 41 to abut against the rotor punching sheet 102 on the rotor rotation positioning sleeve to extend, at this time, the motor starts to continuously rotate, the rotor rotation positioning sleeve drives the rotor to rotate, and until the rotor notch 101 rotates to the position of the positioning shaft convex part 411 of the rotor notch positioning shaft, the positioning shaft convex part 411 of the rotor notch positioning shaft can be pushed between the rotor notches 101; the upper part of the fixed frame 421 is provided with a U-shaped limiting piece 4211 for limiting the upper end part of the positioning shaft toggle piece 423, a motor sensor 4212 is arranged in a clamping groove of the U-shaped limiting piece 4211, when the positioning shaft convex part 411 of the rotor notch positioning shaft is jacked between the rotor notches, the upper end part of the positioning shaft toggle piece 423 returns to the clamping groove of the U-shaped limiting piece 4211 and touches the motor sensor 4212, the motor sensor 4212 sends a stop signal to the motor, if the positioning shaft toggle piece 423 is not sensed by the motor sensor 4212, the motor continuously rotates until the positioning shaft convex part 411 is clamped in the column notch 101, and thus the rotor notch positioning shaft is formed for accurately positioning the rotor notch;

2. after the accurate positioning of the rotor notch 101 is completed, the rotor 100 is taken down from the rotor rotation positioning sleeve by a mechanical clamping jaw, at the moment, the cylinder sensor can drive the alignment pushing piece 50 to rise to push the positioning shaft shifting piece 423, and when the alignment pushing piece 50 pushes the positioning shaft shifting piece 423, the upper end of the positioning shaft shifting piece 423 takes a tangent contact point as a fulcrum to achieve the lever type movement effect; the positioning shaft shifting piece 423 and the other end of the rotor notch positioning shaft 41 limit the positioning shaft shifting piece 423 to drive the rotor notch positioning shaft 41 to horizontally and linearly move along the positioning shaft mounting seat 422 through the limiting pin shaft 43 and the horizontal limiting chute 4221, so that the positioning shaft shifting piece 423 and the rotor notch positioning shaft are combined, and the upper part of the positioning shaft shifting piece 423 drives the rotor notch positioning shaft 41 to linearly move towards one side far away from the rotor rotation positioning sleeve;

3. when the mechanical clamping jaws place the rotor 100 on the rotor rotation positioning sleeve 20, the cylinder sensor drives the alignment pushing piece 50 to descend again, and the steps are repeated, so that the rotor 100 is accurately positioned.

The motor rotor automatic production line has the advantages of reasonable structure, simple installation, convenient use, free alignment of the motor rotor, stable and safe positioning, simple and clear structure and capability of meeting the application on the motor rotor automatic production line.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, but rather as the subject matter of any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention.