WO2019007148A1 - 防电蚀电机自动生产线及防电蚀电机 - Google Patents

防电蚀电机自动生产线及防电蚀电机 Download PDF

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Publication number
WO2019007148A1
WO2019007148A1 PCT/CN2018/086496 CN2018086496W WO2019007148A1 WO 2019007148 A1 WO2019007148 A1 WO 2019007148A1 CN 2018086496 W CN2018086496 W CN 2018086496W WO 2019007148 A1 WO2019007148 A1 WO 2019007148A1
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WO
WIPO (PCT)
Prior art keywords
stator
stator core
transmission line
telescopic
rotor
Prior art date
Application number
PCT/CN2018/086496
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English (en)
French (fr)
Inventor
印光宇
侯卫
徐兆明
吴兴
Original Assignee
江苏上骐集团有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 江苏上骐集团有限公司 filed Critical 江苏上骐集团有限公司
Priority to MYPI2019003007A priority Critical patent/MY201549A/en
Priority to JP2019537792A priority patent/JP6633260B1/ja
Publication of WO2019007148A1 publication Critical patent/WO2019007148A1/zh

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies

Definitions

  • the invention relates to a permanent magnet DC motor, in particular to an automatic production line for anti-corrosion motor and an anti-corrosion motor.
  • the plastic permanent magnet brushless DC motor is a widely used application in the field of household appliances.
  • the motor is one of the most important components in the whole machine.
  • the plastic brushless DC motor is controlled by the PWM pulse width modulation mode of 8-22KHz frequency to control the running speed and torque of the motor.
  • the motor is operated at a high frequency 8-22KHz PWM pulse width modulation control, an induced current is generated between the end cover of the motor, the stator core, the bearing outer wheel, the bearing ball, the inner ring of the bearing, and the rotating shaft, and the induced current
  • the grease in the bearing is discharged, causing electrical corrosion of the ball races and balls on the inner and outer wheels of the bearing, thereby causing bearing noise and affecting the life of the motor.
  • the prior art DC motor anti-corrosion structure mainly has the following two methods.
  • Method 1 By connecting the end cap to the stator core by means of a pin, the equivalent capacitance value of the motor is reduced, and the bearing voltage is reduced to achieve the purpose of preventing the bearing from being corroded.
  • the Chinese utility model patent application with the application number 201520408633.6 With the above-mentioned anti-corrosion structure cannot reduce the capacitance value of the bearings on both sides to zero, and cannot completely prevent the bearing from being corroded.
  • Method 2 Connect the front and rear end caps with conductive tape or conductive liquid to make the capacitance between the end caps and the bearings equal.
  • the conductive tape or the conductive liquid in this method is liable to fail, thereby losing the purpose of preventing corrosion of the bearing.
  • the stator and the rotor are all circular automatic stamping.
  • the stator is bulky, and after punching, there are many scraps and the utilization rate of raw materials is low.
  • the stator is wound after the skeleton injection molding, the winding space is small, the winding needle has a small space for entering and exiting, and thus the number of windings is small, resulting in low efficiency of the final motor, and the motor efficiency is less than 50%.
  • each process is independent of each other, and manual transfer and placement are required between the processes, the degree of automation is low, and the labor cost is high.
  • the technical problem to be solved by the present invention is to provide an automatic production line for anti-corrosion motor, which has high automation degree and labor cost, and high efficiency of the whole machine. High raw material utilization rate.
  • the technical solution adopted by the present invention is:
  • An automatic production line for preventing electric corrosion motor comprising a stator assembly device, the stator assembly device comprising a stator core transmission line and a stator punching machine, a stator skeleton injection molding machine, a skeleton pressure detecting tooling and a terminal assembling machine arranged in sequence along the stator core transmission line , Winding machine, terminal welding device, terminal shaping device, stator withstand voltage detector, stator rounding device, stator complete round device.
  • the stator core transmission line is used for automatic transmission of the strip stator core, and the strip stator core has A stator core teeth, wherein A is a multiple of 3.
  • the stator punching machine is used for automatic stamping of a strip-shaped stator core, and the discharge end of the stator punching machine is connected with the feeding end of the stator core transmission line.
  • the stator frame injection molding machine is used for injection molding of a skeleton in a strip stator core, and a skeleton is injection molded on each stator core tooth.
  • the stator skeleton injection molding machine has a mechanical gripper, and the mechanical gripper can grab the stator core located at the feeding end of the stator core transmission line and put it into the cavity of the stator skeleton injection molding machine, and can also be located in the cavity of the stator skeleton injection molding machine.
  • the injection molded stator core is grasped and placed in a stator core transmission line located downstream of the stator frame injection molding machine.
  • the skeleton pressure detecting tool comprises a lifting plate, a metal insert block, a pressure resistant probe and a telescopic pressure plate;
  • the lifting plate is arranged directly above the stator core transmission line, the height of the lifting plate can be raised and lowered and can be electrically conductive;
  • the number of metal insert blocks is A +1, both are arranged on the lower surface of the lifting plate, and the lifting plate is connected with the positive pole of the pressure gauge; when the lifting plate is lowered, the metal inserts can be sequentially inserted into the corresponding winding cavity;
  • the pressure resistant probe and The stator core transmission line is vertical and telescopic, and the telescopic end of the pressure probe can be in contact with the metal outer surface of the injection molded stator core, and the other end of the pressure probe is connected to the negative pole of the pressure gauge.
  • the terminal assembly machine includes a terminal supply bin, a side push rod, a push rod and a slip plate; the slip plate is perpendicular to the stator core transmission line, and the slip plate is along the vertical direction of the stator core transmission line and the stator core transmission line.
  • the sliding plate can block the stator core to be assembled and position the assembly position of the terminal;
  • the terminal supply bin is disposed above the stator core transmission line and perpendicular to the stator core transmission line, the binding post A row is arranged neatly in the terminal supply bin, and the side push rod is arranged at the tail of the terminal supply bin for pushing forward the binding post in the terminal supply bin; the bottom of the front end of the binding post is provided
  • the material port and the discharge port correspond to the assembly position of the terminal on the stator core transmission line;
  • the jacking rod is disposed directly above the discharge port, and is used for pushing the terminal located at the discharge port from the discharge port to the position
  • the stud is assembled in the frame of the stator core.
  • Each winding machine is provided with a photoelectric sensor and a telescopic baffle.
  • the photoelectric sensor is used to detect the winding corresponding to the winding machine.
  • the telescopic baffle is used for limiting the stator core to be wound, and the simultaneous or alternate winding of all the winding machines is realized by controlling the photoelectric sensor and the telescopic baffle.
  • the terminal welding device includes a tin furnace, a flipper plate, a moving jaw and a limit baffle; the flipper plate is disposed directly above the tin furnace, and the flipper plate can clamp the stator core after winding and can perform 180° Flip; the limit baffle is arranged on the stator core transmission line upstream and downstream of the flipper plate, and the moving jaw can slide back and forth along the direction of the stator core transmission line, thereby placing the wound stator core on the flipper plate, and then The stator core after the immersion soldering of the terminal is placed on the downstream stator core transmission line.
  • the terminal shaping device comprises a lifting block and a shaping head fixed on the lower surface of the lifting block, the lifting block is arranged above the stator core transmission line, and the height can be raised and lowered; the number of the shaping head is equal to the number of the binding posts on each stator;
  • Each of the shaping heads comprises a fixing sleeve and a shaping sleeve coaxially sleeved inside the fixing sleeve.
  • the shaping sleeve is cylindrical and can rotate freely along the inner wall surface of the fixing sleeve, and the inner diameter of the shaping sleeve is larger than the outer diameter of the binding post. .
  • the stator winding withstand voltage detecting machine comprises a detecting probe capable of lifting and lowering height. One end of the detecting probe is connected with the pressure resistant instrument, and the other end of the detecting probe can be respectively connected with the terminal on the shaped stator core.
  • the stator rounding device comprises a C-shaped groove clamp, an arc-shaped groove clamp, a center column and a moving clamp;
  • the central column is disposed on one side of the stator core transmission line, and constitutes a side stop surface of the stator core transmission line, and the stator core transmission line
  • the other side stop surface is a telescopic side baffle, and the height can be raised and lowered;
  • the C-shaped groove clamp and the curved groove clamp are respectively disposed on both sides of the center column and are perpendicular to the stator core transmission line, the C-shaped groove clamp and the curved shape
  • the slot clamps can slide back and forth along a direction perpendicular to the stator core transmission line, and the C-slot clamp can slide to the outside of the telescopic side fence;
  • the C-groove clamp and the curved slot clamp can be combined to form a center pillar
  • the moving gripper has two clampable fingers, which can move the rounded stat
  • the stator complete circular device comprises a telescopic chuck, a telescopic positioning column, a central positioning claw and a welding gun;
  • the telescopic positioning column has a cylindrical shape and can be raised and lowered in height, and the number of the telescopic chucks is A, and is evenly arranged along the circumferential direction of the telescopic positioning column;
  • Each side of the telescopic chuck facing the telescopic positioning column is provided with a curved surface matching the outer surface of the stator teeth in the stator core;
  • the central positioning claw comprises an inner positioning surface and a clamping jaw, and the inner positioning surface is cylindrical, inner The outer diameter of the positioning surface is equal to the inner diameter of the stator core;
  • the top of the inner positioning surface is connected with the mechanical arm;
  • the clamping jaw is disposed at the bottom of the inner positioning surface, and the clamping jaw can clamp the inner hole of the stator core after the rounding
  • the height of the welding torch can be raised and lowered, and the
  • the stator assembly device further includes a waveform detecting device disposed downstream of the stator full circle device, wherein the waveform detecting device comprises an insulating lifting plate, a waveform detecting probe, a telescopic ejector pin and a lifting positioning column; the height of the lifting positioning column can be raised and lowered, and the lifting positioning column is externally
  • the diameter is equal to the inner diameter of the stator core; the number of the telescopic ejector pins is A, and is evenly arranged along the circumferential direction of the lifting positioning column; the telescopic ejector is provided with a sharp knife on one side of the lifting positioning column, and the stator core is set on the lifting positioning column.
  • the sharp knife of the telescopic ejector can cooperate with the skeleton gap at the bottom of the stator core; the number of waveform detecting probes is equal to the number of the binding posts in each stator, and is matched with the stator core set on the outer circumference of the lifting positioning column.
  • the positions of the terminals correspond to each other; all the waveform detecting probes are fixed on the insulating lifting plate, the height of the insulating lifting plate can be raised and lowered, and the other end of the waveform detecting probe is connected with the waveform detector.
  • the stator assembly device further comprises a wiring device, the wiring device is disposed downstream of the waveform detecting device, the wiring device comprises a rotating disk, a wire harness limiting component, a wire harness fixing clip and a soldering machine; the rotating disk is rotatable, and the soldering machine is fixedly disposed on the rotating disk On one side of the rotating disk, a plurality of stator core placement slots and stator core placement slots are provided in the circumferential direction, and the wire harness limiting component and the stator core placement slot are in one-to-one correspondence, and the wire harness limiting component is arranged Set the harness retaining clips.
  • the harness limiter is a harness placement slot or a harness spool.
  • the stator assembly device further includes a stator housing injection molding machine disposed downstream of the wiring device, the stator housing injection molding machine includes two injection molds and a closed slide rail, and the closed slide rail passes through directly under the stator housing injection molding machine, and the two injection moldings The mold is slidably coupled to the closed rail.
  • the stator assembly apparatus also includes a welding machine disposed on one side of the closed rail.
  • the utility model further comprises a rotor core injection molding machine, a rotating shaft pressing device and a rotating shaft feeding device; the rotor core injection molding machine and the rotating shaft feeding device are all arranged on the feeding side of the rotating shaft pressing device; the rotor core injection molding machine is used for the inside of the rotor
  • the iron core and the outer core of the rotor are integrally molded by injection;
  • the shaft feeding device comprises a timing belt, a limiting baffle and a tooth; the timing belt can rotate, the timing belt and the limiting baffle are arranged in parallel; the outer surface of the timing belt and the limit
  • the baffle plate is provided with engaging teeth;
  • the rotating shaft pressing device comprises a lifting plate, an upper pressing head, a lower base, a press height detecting device and an electromagnetic chuck; the electromagnetic chuck is used for injection molding in the rotor core injection molding machine
  • the completed rotor core is adsorbed and placed on the top of the lower base; the top of the electromagnetic chuck is connected with the mechanical arm,
  • the upper pressing head is a hollow sleeve, and a positioning screw is arranged in the sleeve.
  • the outer circumference of the positioning screw is matched with the hollow thread of the upper pressing head, and the bottom of the positioning screw is a pressing plane.
  • An anti-corrosion motor produced by an automatic production line for preventing electric corrosion comprising a stator, a permanent magnet rotor, a plastic seal body, a non-load side end cover, a load side end cover, a metal wire, a metal nut and a metal screw.
  • the stator is coaxially disposed on the outer circumference of the permanent magnet rotor, and the molded body is coaxially fitted on the outer circumference of the stator.
  • the permanent magnet rotor includes a rotating shaft, and the non-load side end cover and the load side end cover are respectively fitted on the rotating shafts on both sides of the stator.
  • the load side end cover includes an end surface cover portion that is fitted on the rotating shaft and an edge bent portion that is disposed around the end surface cover portion.
  • the metal wire is disposed between the stator and the molding body, one end of the metal wire is welded to the non-load side end cap, and the other end of the metal wire is connected to the metal nut.
  • the metal nut includes a lateral end and a vertical end, wherein the transverse end is welded to the metal wire and the vertical end is provided with a threaded hole.
  • the metal screw passes through the load side end cover, the threaded hole on the vertical end and the stator end surface on the load side in sequence, and the metal nut is fixed on the inner side of the load side end cover; when the metal nut is fixed, the vertical end and the end cover of the metal nut are fixed.
  • the inner surfaces of the joints are in contact with each other, and the lateral ends of the metal nuts are in contact with the inner surfaces of the edge bent portions.
  • the permanent magnet rotor further includes a rotor core and a magnetic steel;
  • the rotor core comprises a rotor inner core set on the rotating shaft and a rotor outer core sleeved on the outer circumference of the iron core in the rotor, and the magnetic steel is evenly nested in the outer core of the rotor
  • the outer circumference of the rotor; the inner core of the rotor and the outer core of the rotor are filled with an insulating connecting layer: the magnetic steel is integrally molded by injection molding plastic and the outer core of the rotor.
  • the invention has the following beneficial effects: the invention connects the two end caps by metal wires, and the metal wires are built in the plastic body, and the safety performance is high. At the same time, the metal wire is firmly connected to the end caps on both sides, and the bearing has good anti-corrosion performance.
  • the stator in the anti-corrosion motor can be assembled automatically, with high automation and labor cost. In addition, the motor has high efficiency and high utilization rate of raw materials.
  • Fig. 1 is a structural schematic view showing an automatic production line for an anti-corrosion motor of the present invention.
  • Figure 2 shows the structural schematic of the strip stator core and the mechanical grip.
  • Figure 3 shows a schematic view of the structure of the withstand voltage detecting tool.
  • Figure 4 shows the structure of the terminal assembly machine.
  • Figure 5 shows a schematic view of the structure of the terminal welding device.
  • Figure 6 shows a schematic view of the structure of the terminal shaping device.
  • Figure 7 shows the schematic diagram of the shaping head shaping in the terminal shaping device.
  • Figure 8 shows a schematic view of the structure of the stator rounding device.
  • Figure 9 shows a schematic view of the structure of the stator full circle device.
  • Fig. 10 is a view showing the structure of the waveform detecting device.
  • Figure 11 shows a schematic view of the structure of the wiring device.
  • Figure 12 shows a schematic view of the structure of the stator housing injection molding machine.
  • Figure 13 is a schematic view showing the structure of the shaft feeding device and the shaft pressing device.
  • FIG. 14 is a schematic view showing the structure of a permanent magnet DC motor with equal potential at both ends of the present invention.
  • Figure 15 shows a schematic view of the connection relationship between the metal wire and the non-load side end cover and the load side end cover.
  • Figure 16 shows a schematic view of the structure of the rotor core and the magnetic steel.
  • Figure 17 shows another embodiment of the transverse end of the metal nut.
  • terminal supply bin 121. terminal supply bin; 122. side push rod; 123. push rod; 124. terminal; 125. slip plate;
  • Terminal welding device
  • terminal shaping device 150. terminal shaping device; 151. lifting block; 152. fixing sleeve; 153. shaping sleeve;
  • Stator rounding device 161. C-shaped groove clamp; 1611. Jack; 162. Curved groove clamp; 163. Center column; 164. Moving clamp; 165. Telescopic side baffle;
  • Waveform detecting device 180. Waveform detecting device
  • stator housing injection molding machine 191. injection mold; 192. positioning needle; 193. closed rail; 194. soldering machine;
  • lifting plate 221. lifting plate; 222. upper head; 2221. positioning screw; 2222. sleeve; 223. lower base; 2231. hollow cavity; 2232. electromagnet; 224. height sensor; 225. electromagnetic chuck; Telescopic guide; 226. slide rail;
  • Rotary shaft feeding device 231. Timing belt; 232. Limiting baffle; 233. Gear teeth.
  • Figure 14 to Figure 17 are: 1. non-load side end cover; 2. non-load side bearing; 3. metal wire; 4. stator; 5. plastic body; 6. metal nut; 61. horizontal end; 611. Department; 612. metal spring; 613. metal piece; 62. vertical end; 621. threaded hole; 7. metal screw; 8. load side end cover; 81. end face cover; 82. edge bend; The shaft; the load side bearing; 11. the outer core of the rotor; 12. the inner core of the rotor; 13. the magnetic steel; 14. the insulating connecting layer.
  • an anti-corrosion motor includes a stator 4, a permanent magnet rotor, a molded body 5, a non-load side end cover 1, a non-load side bearing 2, a load side end cover 8, and a load side bearing. 10.
  • Metal wire metal nut 6 and metal screw 7.
  • the stator is coaxially disposed on the outer circumference of the permanent magnet rotor, and the molded body is coaxially fitted on the outer circumference of the stator.
  • the permanent magnet rotor includes a rotating shaft 9, a rotor core, and a magnetic steel 13.
  • the rotor core includes a rotor inner core 12 that is fitted on the rotating shaft and a rotor outer core 11 that is sleeved on the outer circumference of the inner core of the rotor.
  • a gap is preferably provided between the inner core of the rotor and the outer core of the rotor, and the gap is filled with the insulating connecting layer 14.
  • the insulating connecting layer is preferably an injection molded rubber.
  • the insulation connection layer is arranged to cut off the current loop and prevent current from flowing through the shaft to the bearing, thereby preventing electrical corrosion of the bearing. In addition, vibration and noise can be reduced.
  • the magnetic steel is evenly nested on the outer circumference of the outer core of the rotor, and the magnetic steel is preferably integrally formed by injection molding plastic and the outer core of the rotor.
  • the non-load side cover and the non-load side bearing are set on the rotating shaft on the non-load side, and the load side end cover and the load side bearing are set on the rotating shaft on the load side.
  • the load side end cover includes an end surface cover portion 81 that is fitted over the rotating shaft, and an edge bent portion 82 that is provided around the end surface cover portion.
  • the metal wire is disposed between the stator and the molding body, and the metal wire is preferably a temperature resistant metal wire.
  • One end of the metal wire is welded to the non-load side end cap, preferably by butt welding.
  • the other end of the metal wire is connected to the metal nut.
  • the metal nut is preferably L-shaped or U-shaped, and is selected to be L-shaped in the present invention.
  • the metal nut includes a lateral end 61 and a vertical end 62, wherein the transverse end is welded to the metal wire and the vertical end is provided with a threaded hole 621.
  • the metal screws are sequentially passed through the load side end cover, the threaded hole on the vertical end, and the stator end face on the load side, and the metal nut is fixed to the inner side of the load side end cover.
  • the lateral end 61 described above preferably has two preferred embodiments.
  • the horizontal end is a metal fixing plate integrally provided with the vertical end.
  • the vertical end of the metal nut is in contact with the inner surface of the end surface cover portion, and the lateral end of the metal nut is in contact with the inner surface of the edge bent portion.
  • the lateral end preferably includes a fixing portion 611, a metal spring 612, and a metal piece 613.
  • the metal piece is disposed between the fixing portion and the edge bending portion, and the metal piece is connected to the fixing portion by a metal spring.
  • the fixing portion is integrally provided with the vertical end; the metal wire is welded to the fixing portion or the metal piece.
  • the metal nut is preferably formed of a copper material.
  • the metal nut is nested on the end surface of the stator on the load side, and the outer surface of the vertical end of the metal nut is flush with the end surface of the stator on the load side.
  • the metal screw is preferably a lock screw.
  • An automatic production line for preventing corrosion electric motors comprising a stator assembly device, a rotor core injection molding machine, a shaft pressing device 220 and a shaft feeding device 230.
  • the stator assembly device includes a stator core transmission line 100, a stator press 101 sequentially disposed along a stator core transmission line, a stator frame injection molding machine 105, a skeleton pressure detecting tool 110, a terminal assembly machine 120, and a winding.
  • the stator core transmission line is used for automatic transmission of the strip stator core 102, and the strip stator core has A stator core teeth, wherein A is a multiple of 3.
  • the stator core transmission line is preferably a strip-shaped conveyor belt, and both sides of the strip-shaped conveyor belt are provided with baffles to form strip-shaped grooves, thereby restricting automatic transmission of the strip-shaped stator core.
  • the anti-corrosion motor of the present invention is preferably an 8-pole motor, wherein the strip-shaped stator core preferably has 12 stator core teeth.
  • the stator punching machine is used for automatic stamping of strip stator core, the stator punching machine is prior art, the stamping die is replaced by a strip mould, and the discharging end of the stator punching machine is opposite to the feeding end of the stator core transmission line, Thereby, the strip stator core is automatically transferred to the stator core transmission line of the present invention.
  • the stator frame injection molding machine is used for injection molding of the skeleton 103 in the strip stator core.
  • the stator frame injection molding machine is also a prior art, and each stator core is molded with a skeleton; the winding cavity between two adjacent frames As shown in FIG. 2, the winding cavity has a large area, which can maximize the groove shape of the winding cavity and maximize the winding.
  • the invention changes the stator core from the conventional circular blanking mode to the strip blanking, and on the other hand, the raw material utilization rate is greatly improved, and the production cost is saved.
  • the area of the winding cavity between the two adjacent frames is large, the number of windings can be increased while the winding is convenient, and the efficiency of the motor can be made 50% by increasing the number of windings. Increased to over 70%.
  • the stator skeleton injection molding machine has a mechanical gripper, and the mechanical gripper can grab the stator core located at the feeding end of the stator core transmission line and put it into the cavity of the stator skeleton injection molding machine, and can also be located in the cavity of the stator skeleton injection molding machine.
  • the injection molded stator core is grasped and placed in a stator core transmission line located downstream of the stator frame injection molding machine.
  • the mechanical gripper is preferably connected to the mechanical arm, and the mechanical gripper is preferably two gripping fingers as shown in Fig. 2, but a structure of a moving jaw as shown in Fig. 5 or the like may be employed.
  • the skeleton withstand voltage detecting tool includes a lifting plate 111, a metal insert block 112, a pressure resistant probe 113, and a telescopic pressure plate 114.
  • the lifting plate is disposed directly above the stator core transmission line, and the height of the lifting plate can be raised and lowered and can be electrically conductive; the number of metal inserts is A+1, which are all disposed on the lower surface of the lifting plate, and the lifting plate and the pressure gauge 115 The positive electrodes are connected.
  • the number of metal inserts is 13 pieces, and the 11 metal insert blocks located in the middle are larger than the metal insert blocks located on both sides.
  • the metal insert When the lifting plate is lowered, the metal insert can be sequentially inserted into the corresponding winding cavity; the pressure resistant probe is perpendicular to the stator core transmission line and can be extended and contracted, and the telescopic end of the pressure resistant probe can be coupled with the injected stator core.
  • the outer surface of the metal is in contact with the other end of the pressure probe connected to the negative electrode of the pressure gauge.
  • the skeleton pressure detecting tool is preferably provided with a photoelectric sensor and a limiting baffle located upstream.
  • the photoelectric sensor detects that the stator core enters the station
  • the limit baffle blocks the stator core
  • the telescopic platen is elongated
  • the stator core is pressed and fixed
  • the metal insert is inserted into each winding cavity
  • the pressure probe is in contact with the outer surface of the metal of the injection molded stator core, and the withstand voltage is detected.
  • the metal insert block, the telescopic platen and the pressure probe are reset, and the limit baffle is opened.
  • the pressure test is qualified, the flow continues to flow forward.
  • the pressure test fails, the telescopic push rod located downstream Push it away from the stator core transmission line.
  • the terminal assembly machine includes a terminal supply bin 121, a side push rod 122, a push rod 123, and a slip plate 125.
  • the slip plate is perpendicular to the stator core transmission line, and the slip plate slides along the vertical direction of the stator core transmission line and the stator core transmission line, that is, the slip plate has two degrees of freedom.
  • the slip plate can block the stator core to be assembled and position the assembly position of the terminal 124.
  • the slip plate slides along the vertical direction of the stator core transmission line, that is, elongation, and the workpiece is subjected to the workpiece.
  • the upstream of the terminal assembly machine is also preferably provided with a blocking plate for blocking the entry of the next workpiece when the binding assembly machine station has a workpiece.
  • the movement of the sliding plate drives the workpiece to move at different distances to realize assembly of all the binding posts.
  • the terminal supply bin is disposed above the stator core transmission line and perpendicular to the stator core transmission line, the binding columns are arranged neatly in the terminal supply bin, and the side push rod is disposed at the tail of the terminal supply bin for Push the binding posts in the terminal supply bin forward.
  • the bottom of the front end of the terminal of the terminal is provided with a discharge port, and the discharge port corresponds to the assembly position of the terminal on the stator core transmission line; the jacking rod is disposed directly above the discharge port for being located at the discharge port. The terminal is pushed away from the discharge port into the skeleton of the stator core located at the assembly position of the terminal.
  • Each winding machine is provided with a photoelectric sensor and a telescopic baffle.
  • the photoelectric sensor is used to detect the winding corresponding to the winding machine.
  • the telescopic baffle is used for limiting the stator core to be wound, and the simultaneous or alternate winding of all the winding machines is realized by controlling the photoelectric sensor and the telescopic baffle.
  • the winding machine is preferably three, and the three winding machines are preferably wound at the same time, thereby increasing the winding speed and reducing the subsequent waiting time.
  • the automatic winding of the workpiece is realized by the blocking control of the photoelectric sensor and the telescopic baffle. If the photoelectric sensor located downstream detects the entry of the workpiece, the downstream telescopic baffle is stretched to block, and then the indicator of the downstream photoelectric sensor is extinguished, and the winding process begins.
  • the upstream photoelectric sensor works.
  • the upstream telescopic baffle is stretched to block, and then the indicator of the upstream photoelectric sensor is extinguished. Start the winding process.
  • each of the three winding machines is preferably provided with a limiting blocking plate, and the limiting blocking plate is a common component in the automatic transmission line, and the description of the subsequent parts will be omitted.
  • the terminal welding device includes a tin furnace 141, a reverse cleat 142, a moving jaw 143, and a limit baffle 145.
  • the flipper is placed directly above the tin furnace, and the flipper clamps the wound stator core and can be flipped 180°.
  • the flipper is normally in a horizontal state.
  • the workpiece is clamped first, and then turned down by 180° to immerse the workpiece.
  • the splint is turned over and then turned up by 180°, and the clamped state is released, waiting for the gripper to be grasped.
  • the structure of the flipper is preferably as shown in Fig. 5, which is a drawer case with an open top.
  • the bottom of the drawer body is preferably connected to the robot arm to achieve a 180° flip.
  • the drawer body has a stator core placement groove, and two long side plates on both sides of the iron core placement groove (that is, a transmission direction along the stator core transmission line) are preferably provided with a clamping gap 144 for facilitating the movement of the clamping jaws. Clipping.
  • the two long side plates are further provided with a clamping head (not shown), one end of the clamping head is passed out from the corresponding long side plate and connected to the cylinder, and can be telescoped, and the other end of the clamping head (ie, the inner end of the long side plate) can clamp the strip stator core.
  • a clamping head not shown
  • one end of the clamping head is passed out from the corresponding long side plate and connected to the cylinder, and can be telescoped
  • the other end of the clamping head ie, the inner end of the long side plate
  • the limiting baffle is disposed on the stator core transmission line upstream and downstream of the flipper plate, and the upstream and downstream stator core transmission lines are further provided with a clamping gap 144 as shown in FIG. 5 to facilitate the fixed clamping of the moving jaw.
  • the moving jaw can slide back and forth along the direction of the stator core transmission line, so that the wound stator core is placed on the flipping plate, and the stator core after the terminal is immersed and soldered is placed on the downstream stator core transmission line. .
  • the moving jaw includes a top plate and a clamping plate disposed on the lower surface of the top plate, and the clamping plate can slide back and forth along the vertical direction of the stator core transmission line to clamp and fix the strip stator core.
  • the terminal shaping device includes a lifting block 151 and a shaping head fixed to the lower surface of the lifting block.
  • the lifting block is arranged above the stator core transmission line, and the height can be raised and lowered; the number of shaping heads is equal to the number of the binding posts on each stator, preferably four.
  • each shaping head comprises a fixing sleeve 152 and a shaping sleeve 153 coaxially sleeved inside the fixing sleeve.
  • the shaping sleeve is cylindrical and can rotate freely along the inner wall surface of the fixing sleeve.
  • the inner diameter of the sleeve is larger than the outer diameter of the binding post.
  • the lifting block drives the height of the shaping head to decrease, and the shaping sleeve is set at the upper end of the corresponding binding post, and the shaping sleeve is freely rotated as the shaping head is lowered.
  • the shaping of the terminal causes the terminal to be in a vertical state to prevent distortion.
  • the stator winding withstand voltage detecting machine comprises a detecting probe capable of lifting and lowering height. One end of the detecting probe is connected with the pressure resistant instrument, and the other end of the detecting probe can be respectively connected with the terminal on the shaped stator core.
  • the limit baffle blocks, the height of the detecting probe decreases, and the terminal is matched with the terminal to perform the withstand voltage detection.
  • the specific detection method of the stator winding withstand voltage detecting machine is prior art, and details are not described herein again.
  • the stator rounding device includes a C-groove clamp 161, an arcuate groove clamp 162, a center post 163, and a moving grip 164.
  • the center pillar is disposed on one side of the stator core transmission line and constitutes one side stop surface of the stator core transmission line, and the other side stop surface of the stator core transmission line is a telescopic side fence 165, and the height can be raised and lowered.
  • the C-shaped groove clamp and the curved groove clamp are respectively disposed on both sides of the center column and are perpendicular to the stator core transmission line, and the C-shaped groove clamp and the curved groove clamp can all go back and forth along the direction perpendicular to the stator core transmission line. Sliding, the C-slot clamp can slide to the outside of the telescopic side fence.
  • the C-shaped groove clamp and the curved groove clamp can be joined together to form a splicing circle centered on the center column, and the diameter of the splicing circle is preferably equal to the outer diameter of the stator core.
  • the moving gripper has two clampable fingers that can move the rounded stator core into the stator full circle device; a jack is provided in the center of the C-groove clamp and the curved slot clamp, and the jack can be combined with The fingers in the moving clip are inserted.
  • the rounding method is as follows: the C-shaped groove clamp slides to the outer side of the telescopic side baffle, and the height of the telescopic side baffle rises. When a workpiece enters, the limit baffle blocks, and then the height of the telescopic side baffle drops to the stator iron. Below the core transmission line, the C-slot clamp slides toward the center column. As the C-slot clamp slides, the workpiece will be centered on the center column and bent toward the center column and formed into a U-shape, followed by a curved groove. The jig slides toward the center column, and the workpiece is bent into a circular shape due to the blocked positioning of the arc groove jig. At this time, the stitching seam of the workpiece corresponds to the position of the socket in the arc groove holder. Finally, the height of the moving grip is lowered and inserted into the jack to transfer the rounded workpiece to the stator complete circular device.
  • the stator full circle device includes a telescopic chuck 171, a telescopic positioning post 172, a center positioning claw 173, and a welding torch 174.
  • the telescopic positioning column has a cylindrical shape and can be raised and lowered in height, and the number of the telescopic chucks is A, preferably one, and is evenly arranged along the circumferential direction of the telescopic positioning column.
  • each telescopic chuck facing the telescopic positioning post is provided with a curved surface that cooperates with the outer surface of the stator teeth in the stator core.
  • the central positioning jaw comprises an inner positioning surface 1731 and a clamping jaw, the inner positioning surface is cylindrical, the outer diameter of the inner positioning surface is equal to the inner diameter of the stator core; the top of the inner positioning surface is connected with the mechanical arm; the clamping jaw is disposed At the bottom of the positioning surface, the jaws can clamp the inner hole of the stator core after the whole circle; the height of the welding torch can be raised and lowered, and the front end of the welding gun is directed to the joint seam of the stator core.
  • the whole circle method preferably preferably includes the following steps:
  • Step 1 The telescopic positioning column is raised first, waiting for the moving clamp to put the workpiece finished by the rounding.
  • the photoelectric sensor detects the workpiece.
  • step 2 the height of the center positioning jaw is lowered.
  • the telescopic positioning column is lowered to the lower side of the table; the height of the center positioning jaw continues to decrease, so that the inner positioning surface is in contact with the inner surface of the workpiece.
  • step 3 the telescopic chuck is elongated to position the outer surface of the workpiece.
  • the elongation sequence of the telescopic chuck is performed in the order of 123456 marked in FIG. That is, firstly, the two telescopic chucks away from the splicing seam are simultaneously elongated to closely conform to the outer metal surface of the workpiece; then, the two telescopic chucks next to the two elongated telescopic chucks are At the same time, it is elongated and closely adheres to the outer metal surface of the workpiece; then, the two telescopic chucks adjacent to the splicing seam are simultaneously elongated to closely conform to the outer metal surface of the workpiece; subsequently, the other telescopic chucks are pressed The symmetrical way is gradually extended from the splicing seam to the splicing seam.
  • Step 3 The welding gun is laser welded from the top to the bottom of the joint.
  • the above-mentioned full circle method can make the roundness of the whole circle of the stator core more precise, and after the splicing, the pass rate of the waveform detection is high, and the whole machine has high efficiency.
  • the waveform detecting device includes an insulating lifting plate 181, a waveform detecting probe 182, a telescopic ejector 183, and a lifting positioning post 184.
  • the height of the lifting and positioning column can be raised and lowered.
  • the outer diameter of the lifting and positioning column is equal to the inner diameter of the stator core; the number of the telescopic ejector pins is A, that is, 12, which is evenly distributed along the circumferential direction of the lifting and positioning column; the telescopic ejector is oriented A sharp knife is provided on one side of the lifting positioning column.
  • the sharp knife of the telescopic ejector can cooperate with the skeleton gap at the bottom of the stator core, and the top height is lower than the lower surface of the stator core metal, that is, the metal surface of the stator core is not contact.
  • the number of waveform detection probes is equal to the number of terminals in each stator, that is, four, corresponding to the positions of the terminals on the stator core set on the outer circumference of the lifting and positioning column; all waveform detection probes are fixed at On the insulating lifting plate, the height of the insulating lifting plate can be raised and lowered, and the other end of the waveform detecting probe is connected with the waveform detector.
  • the detection method is the same as the stator winding withstand voltage detection method, and will not be described here.
  • the wiring device is disposed downstream of the waveform detecting device, and the wiring device includes a rotary disk 186, a wire harness stopper member 187, a wire harness fixing clip 188, and a soldering machine 189.
  • the rotating disc can be rotated, and the soldering machine is fixedly disposed on one side of the rotating disc.
  • the rotating disc is circumferentially arranged with a plurality of stator core placing slots 1861 and a stator core holding slot having the same number of wire limiting members, a wire harness limiting member and The stator core placement slots are in one-to-one correspondence, and the wire harness fixing clips are disposed on the wire harness limiting members.
  • the wire harness limiting member is preferably a wire harness positioning groove or a wire harness winding rod.
  • the wire harness is placed on the wire harness fixing groove or wound on the wire harness winding bar, and the wire harness head to be welded is fixed by the wire harness fixing clip. Then, using the moving grip or moving the jaws, the workpiece whose waveform is detected is placed in the stator placement groove in the rotating disk for welding. High welding precision and improved welding efficiency.
  • the stator housing injection molding machine includes two injection molds 191 and a closed slide rail 193.
  • the closed slide rail passes directly under the stator housing injection molding machine, and the two injection molds are slidably connected with the closed slide rails, and welded.
  • the machine is disposed on one side of the closed rail, preferably a welder.
  • four positioning pins 192 are provided in each of the injection molds, and the four positioning pins correspond to the positions of the four threaded columns in the plastic connecting layer.
  • one injection mold is injection-molded, and the other injection mold is waiting for the preparation.
  • the metal nut welded with the metal wire is first set in one of the positioning pins, then the plastic connection layer is placed, and the plastic connection layer is placed.
  • the four threaded posts are placed on the four positioning pins, and then the stator cores are placed and the waveforms are tested.
  • the non-load side end caps are placed.
  • the injection molds in the stock are moved to the welder.
  • the non-load side end cover is welded to the metal wire, and the preparation is completed, waiting for the cycle injection molding.
  • the metal nut, the metal wire, and the non-load side end cover may be welded together in advance.
  • the rotor core injection molding machine and the shaft feeding device are all disposed on the feeding side of the shaft pressing equipment.
  • the rotor core injection molding machine is used for injection molding the inner core of the rotor and the outer core of the rotor.
  • the spindle feeding device 230 includes a timing belt 231, a limit flapper 232, and gear teeth 233.
  • the timing belt can rotate, the timing belt and the limiting baffle are arranged in parallel, and the spacing between the timing belt and the limiting baffle is preferably smaller than the diameter of the pressing portion of the rotating shaft; the outer surface of the timing belt and the limiting baffle are disposed on the same
  • the meshing teeth form a rotating shaft placement notch between the teeth of the timing belt and the teeth of the limiting baffle.
  • the shaft enters from the right side in Figure 13 and is discharged from the left side, that is, the right side is the feed port and the left side is the discharge port.
  • the diameter of the load side section of the rotating shaft is smaller than the diameter of the load side end and the rotating shaft pressing part. Therefore, the non-load side end of the rotating shaft and the rotating shaft pressing part are located above the rotating shaft placing notch, and the load side end of the rotating shaft is located below the rotating shaft placing notch.
  • the spindle press-fit device 220 includes a lift platen 221, an upper press head 222, a lower base 223, a press-fit height detecting device, and an electromagnetic chuck 225.
  • the electromagnetic chuck is used for adsorbing the rotor core formed by injection molding in the rotor core injection molding machine on the top of the lower base; the top of the electromagnetic chuck is connected with the mechanical arm, and the center of the bottom of the electromagnetic chuck is provided with a telescopic guide rod, preferably a spring guide rod, which is normal. When the telescopic guide is in an extended state.
  • An electromagnet 2232 is nested in the top of the lower base, and the lower base has a hollow cavity 2231.
  • the bottom of the lower base is slidably connected with the sliding rail 226 and can be raised and lowered.
  • the lower base can be slid to the feeding position of the rotating shaft feeding device.
  • the top of the upper ram is detachably connected to the lifting platen, preferably a threaded connection.
  • a sleeve is arranged at the bottom of the upper pressing head, and the sleeve can be fitted around the outer circumference of the non-loading end of the rotating shaft.
  • the press-fit height detecting device comprises two parallel parallel arranged on the lower surface of the lift plate, the bottom height being equal, one height sensor for detecting the distance between itself and the top of the rotating shaft, and the other height sensor for detecting itself to the inner rotor The distance between the surfaces.
  • the upper pressing head is preferably a hollow sleeve 2222.
  • the sleeve is provided with a positioning screw 2221.
  • the outer circumference of the positioning screw is matched with the hollow of the upper pressing head, and the bottom of the positioning screw is a pressing plane.
  • the press-fit method includes the following steps.
  • Step 1 The electromagnetic chuck is moved to the rotor core injection molding machine station by the mechanical arm; the height of the electromagnetic chuck is lowered, the telescopic guide rod enters the inner hole of the rotor core, the electromagnetic chuck is energized, and the rotor core is adsorbed and transferred. Down to the upper surface of the base.
  • the length of the extension of the telescopic guide rod is greater than the height of the rotor core, so that the telescopic guide rod first enters the hollow cavity of the lower base for guiding and positioning.
  • the electromagnet on the lower base is energized to attract the rotor core.
  • the electromagnetic chuck is powered off and leaves the lower base.
  • Step 2 the lower base drives the rotor core to slide together to the discharge port of the rotating shaft feeding device, and is in contact with the load end of the rotating shaft, and then the height of the lower base rises, so that the load end of the rotating shaft enters the rotor core
  • the inner bore and the lower base are in the hollow cavity.
  • step 3 the height of the lower base is lowered and slipped directly below the upper pressing head, the height of the upper pressing head is lowered, the sleeve is set on the outer circumference of the non-loading end of the rotating shaft, and the height of the upper pressing head is lowered to the set height, and the press fitting is completed.
  • step 4 the lower base slides to the right or left to directly below the height sensor, and the two height sensors work, and the height difference detected by the two sensors is the press height.
  • the lower base repeats step 3 according to the detected value of the height sensor, and the press work is performed again.

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Abstract

一种防电蚀电机自动生产线及防电蚀电机，防电蚀电机包括定子（4）、永磁转子、塑封体（5）、非负载侧端盖（1）、负载侧端盖（2）、金属导线（3）、金属螺母（6）和金属螺丝（7）。自动生产线包括定子组装装置，定子组装装置包括定子铁芯传输线（100）以及沿定子铁芯传输线（100）依次布设的定子冲压机（101）、定子骨架注塑机（105）、骨架耐压检测工装（110）、接线柱装配机（120）、绕线机（130）、接线柱焊接装置（140）、接线柱整形装置（150）、定子耐压检测机（159）、定子拼圆装置（160）、定子整圆装置（170）。通过金属导线将两侧端盖相连接，且金属导线内置在塑封体内，安全性能高。同时，金属导线与两侧端盖电连接牢固，轴承防电蚀性能好。防电蚀电机中的定子能自动组装，自动化程度高，节省人工成本，另外，电机整机效率高，原材料利用率高。

Description

防电蚀电机自动生产线及防电蚀电机 技术领域
本发明涉及一种永磁直流电动机，特别是一种防电蚀电机自动生产线及防电蚀电机。
背景技术
塑封永磁无刷直流电机是家用电器领域量大面广的应用产品，电机是整机中非常关键的部件之一。
目前塑封无刷直流电机，是通过8-22KHz频率的PWM脉宽调制方式，对电机运行的转速和扭矩进行控制。当电机在高频8-22KHz的PWM脉宽调制控制运行时，在电机的端盖、定子铁芯、轴承外轮、轴承滚珠、轴承内轮、转轴之间会产生感生电流，该感生电流使得轴承内的油脂放电，导致轴承内外轮上的滚珠滚道和滚珠发生电腐蚀，从而使轴承产生轴承噪音，影响电机的寿命。
目前，现有技术的直流电机防电蚀结构，主要有如下两种方法。
方法一：通过插针将端盖与定子铁芯相连接的方式，来减少电机等效电容值，降低轴承电压，来达到防止轴承电蚀的目的，如申请号为201520408633.6的中国实用新型专利申请。然而，上述防电蚀结构，不能使两侧轴承的电容值降为零，不能完全防止轴承防电蚀。
方法二：用导电胶带或导电液将前后两个端盖连接，使端盖间及轴承间的电容值相等。然而，这种方法中的导电胶带或导电液容易失效，从而失去轴承防电蚀的目的。
另外，现有的永磁直流电动机生产中，定子、转子均采用圆形自动冲压的方式，一方面，定子体积大，冲裁后，废料多，原材料利用率低下。另一方面，定子在骨架注塑成型后绕线时，绕线空间小，绕线针进出空间小，因而绕线圈数少，导致最后电机整机的效率低下，电机效率不足50％。
进一步，现有永磁直流电动机生产过程中，各个工序相互独立，工序间需要人工进行转移，放置，自动化程度低，人工成本高。
发明内容
本发明要解决的技术问题是针对上述现有技术的不足，而提供一种防电蚀电机自动生产线，该防电蚀电机自动生产线自动化程度高，节省人工成本，另外，电机整机效率高，原材 料利用率高。
为解决上述技术问题，本发明采用的技术方案是：
一种防电蚀电机自动生产线，包括定子组装装置，定子组装装置包括定子铁芯传输线以及沿定子铁芯传输线依次布设的定子冲压机、定子骨架注塑机、骨架耐压检测工装、接线柱装配机、绕线机、接线柱焊接装置、接线柱整形装置、定子耐压检测机、定子拼圆装置、定子整圆装置。
定子铁芯传输线用于条形定子铁芯的自动传输，条形定子铁芯具有A个定子铁芯齿，其中，A为3的倍数。
定子冲压机用于条形定子铁芯的自动冲压成型，定子冲压机的出料端与定子铁芯传输线的入料端相连接。
定子骨架注塑机用于条形定子铁芯中骨架的注塑成型，每个定子铁芯齿上注塑一个骨架。
定子骨架注塑机具有机械抓手，机械抓手能将位于定子铁芯传输线入料端的定子铁芯抓取并放入定子骨架注塑机的型腔内，还能将位于定子骨架注塑机型腔内已注塑完成的定子铁芯抓取并放入位于定子骨架注塑机下游的定子铁芯传输线上。
骨架耐压检测工装包括升降板、金属插块、耐压探针和伸缩压板；升降板设置在定子铁芯传输线的正上方，升降板的高度能够升降且能导电；金属插块的数量为A+1个，均设置在升降板的下表面，升降板与耐压仪的正极相连接；当升降板下降时，金属插块能依次插接在对应的绕线腔中；耐压探针与定子铁芯传输线相垂直且能伸缩，耐压探针的伸缩端能与已注塑定子铁芯的金属外表面相接触，耐压探针的另一端与耐压仪的负极相连接。
接线柱装配机包括接线柱供料仓、侧推杆、顶推杆和滑移板；滑移板与定子铁芯传输线相垂直，滑移板沿定子铁芯传输线及定子铁芯传输线的垂直方向滑移，滑移板能将待装配的定子铁芯进行阻挡并对接线柱的装配位置进行定位；接线柱供料仓设置在定子铁芯传输线的上方且与定子铁芯传输线相垂直，接线柱呈一列整齐排列在接线柱供料仓中，侧推杆设置在 接线柱供料仓尾部，用于将接线柱供料仓中的接线柱向前推移；接线柱供料仓前端底部设置有出料口，出料口与定子铁芯传输线上的接线柱装配位置相对应；顶推杆设置在出料口的正上方，用于将位于出料口的接线柱从出料口推离至位于接线柱装配位置上的定子铁芯的骨架中。
绕线机至少有两台，所有绕线机沿定子铁芯传输线并列设置，每台绕线机均对应设置一个光电传感器和一块伸缩挡板，光电传感器用于检测与绕线机对应的绕线工位是否有待绕线的定子铁芯，伸缩挡板用于对待绕线的定子铁芯进行限位阻挡，通过对光电传感器和伸缩挡板的控制，实现所有绕线机的同时或交替绕线。
接线柱焊接装置包括锡炉、翻转夹板、移动夹爪和限位挡板；翻转夹板设置在锡炉的正上方，翻转夹板能将绕线后的定子铁芯夹紧，并能进行180°的翻转；限位挡板设置在翻转夹板上游和下游的定子铁芯传输线上，移动夹爪能沿定子铁芯传输线方向来回滑移，从而将绕线后的定子铁芯放置在翻转夹板上，再将接线柱浸锡焊接后的定子铁芯放置在下游的定子铁芯传输线上。
接线柱整形装置包括升降块和固设在升降块下表面的整形头，升降块设置在定子铁芯传输线的上方，高度能够升降；整形头的数量与每个定子上的接线柱数量相等；每个整形头均包括固定套筒和同轴套设在固定套筒内部的整形套，整形套呈圆筒形且能沿固定套筒的内壁面自由旋转，整形套的内径大于接线柱的外径。
定子绕线耐压检测机包括高度能够升降的检测探头，检测探头的一端均与耐压仪相连接，检测探头的另一端能分别与整形后的定子铁芯上的接线柱相连接。
定子拼圆装置包括C型槽夹具、弧形槽夹具、中心柱和移动夹手；中心柱设置在定子铁芯传输线的一侧，且构成定子铁芯传输线的一个侧挡面，定子铁芯传输线的另一个侧挡面为伸缩侧挡板，高度能够升降；C型槽夹具和弧形槽夹具分别设置在中心柱的两侧并均与定子铁芯传输线相垂直，C型槽夹具和弧形槽夹具均能沿着与定子铁芯传输线相垂直的方向来回 滑移，C型槽夹具能滑移至伸缩侧挡板的外侧；C型槽夹具和弧形槽夹具能够拼合形成一个以中心柱为圆心的拼接圆；移动夹手具有两根能夹紧的手指，能将拼圆后的定子铁芯移动至定子整圆装置中；C型槽夹具和弧形槽夹具的中心各设置一个插孔，插孔能与移动夹手中的手指相插合。
定子整圆装置包括伸缩夹头、伸缩定位柱、中心定位卡爪和焊枪；伸缩定位柱呈圆柱状且高度能够升降，伸缩夹头的数量为A个，沿伸缩定位柱的周向均匀布设；每个伸缩夹头朝向伸缩定位柱的一侧均设置有与定子铁芯中定子齿的外表面相配合的弧面；中心定位卡爪包括内定位面和夹爪，内定位面呈圆柱形，内定位面的外径与定子铁芯的内径相等；内定位面的顶部与机械臂相连接；夹爪设置在内定位面的底部，夹爪能将整圆后的定子铁芯内孔卡紧转移；焊枪高度能够升降，焊枪的前端指向定子铁芯的拼接缝。
定子组装装置还包括设置在定子整圆装置下游的波形检测装置，波形检测装置包括绝缘升降板、波形检测探针、伸缩顶杆和升降定位柱；升降定位柱高度能够升降，升降定位柱的外径与定子铁芯的内径相等；伸缩顶杆的数量为A个，沿升降定位柱的周向均匀布设；伸缩顶杆朝向升降定位柱的一侧设置尖刀，当定子铁芯套装在升降定位柱外周时，伸缩顶杆的尖刀能与定子铁芯底部的骨架缝隙相配合；波形检测探针的数量与每个定子中的接线柱数量相等，且与套装在升降定位柱外周的定子铁芯上的接线柱位置相对应；所有波形检测探针均固定在绝缘升降板上，绝缘升降板高度能够升降，波形检测探针的另一端与波形检测仪相连接。
定子组装装置还包括接线装置，接线装置设置在波形检测装置的下游，接线装置包括旋转盘、线束限位部件、线束固定夹和锡焊机；旋转盘能够转动，锡焊机固定设置在旋转盘的一侧，旋转盘沿周向设置若干个定子铁芯放置槽和定子铁芯放置槽数量相等的线束限位部件，线束限位部件和定子铁芯放置槽一一对应，线束限位部件上设置线束固定夹。
线束限位部件为线束放置槽或线束绕线杆。
定子组装装置还包括设置在接线装置下游的定子壳体注塑机，定子壳体注塑机包括两个 注塑模具和封闭滑轨，封闭滑轨从定子壳体注塑机的正下方穿过，两个注塑模具与封闭滑轨滑动连接。
定子组装装置还包括设置在封闭滑轨一侧的焊接机。
还包括转子铁芯注塑机、转轴压装设备和转轴供料装置；转子铁芯注塑机和转轴供料装置均设置在转轴压装设备的供料侧；转子铁芯注塑机用于将转子内铁芯和转子外铁芯注塑形成一体；转轴供料装置包括同步带、限位挡板和轮齿；同步带能够转动，同步带和限位挡板平行并列设置；同步带的外表面以及限位挡板上均设置有相啮合的轮齿；转轴压装设备包括升降压板、上压头、下基座、压装高度检测装置和电磁吸盘；电磁吸盘用于将转子铁芯注塑机中注塑完成的转子铁芯吸附放置在下基座顶部；电磁吸盘顶部与机械臂相连接，电磁吸盘底部中心设置有伸缩导杆；下底座顶部嵌套有电磁铁，下底座具有中空容腔，下底座底部与滑轨滑动连接且高度能够升降，下底座能滑移至转轴供料装置的供料位；上压头顶部与升降压板可拆卸连接，上压头底部设置有套筒，套筒能套装在转轴的非负载端外周；压装高度检测装置包括两个平行并列设置在升降压板的下表面，底部高度相等，其中一个高度传感器用于检测自身至转轴顶部之间的距离，另一个高度传感器用于检测自身至内转子上表面之间的距离。
上压头为一个中空的套筒，套筒内设置有定位螺杆，定位螺杆外周与上压头的中空腔螺纹配合，定位螺杆底部为压装平面。
一种采用防电蚀电机自动生产线生产的防电蚀电机，包括定子、永磁转子、塑封体、非负载侧端盖、负载侧端盖、金属导线、金属螺母和金属螺丝。
定子同轴套装在永磁转子的外周，塑封体同轴套装在定子的外周。
永磁转子包括转轴，非负载侧端盖和负载侧端盖分别套装在位于定子两侧的转轴上。
负载侧端盖包括套装在转轴上的端面盖合部和设置在端面盖合部四周的边缘弯折部。
金属导线设置在定子和塑封体之间，金属导线的一端与非负载侧端盖相焊接，金属导线 的另一端与金属螺母相连接。
金属螺母包括横端和竖端，其中，横端与金属导线相焊接，竖端上设置有螺纹孔。
金属螺丝依次穿过负载侧端盖、竖端上的螺纹孔和负载侧的定子端面，将金属螺母固定在负载侧端盖的内侧；当金属螺母位置固定后，金属螺母的竖端与端面盖合部的内表面相接触，金属螺母的横端与边缘弯折部的内表面相接触。
永磁转子还包括转子铁芯和磁钢；转子铁芯包括套装在转轴上的转子内铁芯和套设在转子内铁芯外周的转子外铁芯，磁钢均匀嵌套在转子外铁芯的外周；转子内铁芯和转子外铁芯之间填充有绝缘连接层：磁钢通过注塑塑料与转子外铁芯注塑形成为一体结构。
本发明具有如下有益效果：本发明通过金属导线将两侧端盖相连接，且金属导线内置在塑封体内，安全性能高。同时，金属导线与两侧端盖电连接牢固，轴承防电蚀性能好。防电蚀电机中的定子能自动组装，自动化程度高，节省人工成本，另外，电机整机效率高，原材料利用率高。
附图说明
图1显示了本发明一种防电蚀电机自动生产线的结构示意图。
图2显示了条形定子铁芯及机械抓手的结构示意图。
图3显示了耐压检测工装的结构示意图。
图4显示了接线柱装配机的结构示意图。
图5显示了接线柱焊接装置的结构示意图。
图6显示了接线柱整形装置的结构示意图。
图7显示了接线柱整形装置中整形头整形原理图。
图8显示了定子拼圆装置的结构示意图。
图9显示了定子整圆装置的结构示意图。
图10显示了波形检测装置的结构示意图。
图11显示了接线装置的结构示意图。
图12显示了定子壳体注塑机的结构示意图。
图13显示了转轴供料装置及转轴压装设备的结构示意图。
图14显示了本实用新型一种两侧端盖等电位的永磁直流电动机的结构示意图。
图15显示了金属导线与非负载侧端盖和负载侧端盖的连接关系示意图。
图16显示了转子铁芯与磁钢的结构示意图。
图17显示了金属螺母中横端的另一种实施例图。
图1至图13中有：
100.定子铁芯传输线；
101.定子铁芯冲压机；102.条形定子铁芯；103.骨架；104.绕线腔；
105.定子骨架注塑机；106.机械抓手；
110.骨架耐压检测工装；
111.升降板；112.金属插块；113.耐压探针；114.伸缩压板；115.耐压仪；
120.接线柱装配机；
121.接线柱供料仓；122.侧推杆；123.顶推杆；124.接线柱；125.滑移板；
130.绕线机；
140.接线柱焊接装置；
141.锡炉；142.翻转夹板；143.移动夹爪；144.夹紧豁口；145.限位挡板；
150.接线柱整形装置；151.升降块；152.固定套筒；153.整形套；
159.定子绕线耐压检测机；
160.定子拼圆装置；161.C形槽夹具；1611.插孔；162.弧形槽夹具；163.中心柱；164.移动夹手；165.伸缩侧挡板；
170.定子整圆装置；
171.伸缩夹头；172.伸缩定位柱；173.中心定位夹爪；1731.内定位面；174.焊枪；
180.波形检测装置；
181.绝缘升降板；182.波形检测探针；183.伸缩顶杆；184.升降定位柱；
185.接线装置；
186.旋转盘；1861.定子铁芯放置槽；187.线束限位部件；188.线束固定夹；189.锡焊机；
190.定子壳体注塑机；191.注塑模具；192.定位针；193.封闭滑轨；194.锡焊机；
220.转轴压装设备；
221.升降压板；222.上压头；2221.定位螺杆；2222.套筒；223.下基座；2231.中空容腔；2232.电磁铁；224.高度传感器；225.电磁吸盘；2251.伸缩导杆；226.滑轨；
230.转轴供料装置；231.同步带；232.限位挡板；233.轮齿。
图14至图17中有：1.非负载侧端盖；2.非负载侧轴承；3.金属导线；4.定子；5.塑封体；6.金属螺母；61.横端；611.固定部；612.金属弹簧；613.金属片；62.竖端；621.螺纹孔；7.金属螺丝；8.负载侧端盖；81.端面盖合部；82.边缘弯折部；9.转轴；10.负载侧轴承；11.转子外铁芯；12.转子内铁芯；13.磁钢；14.绝缘连接层。
具体实施方式
下面结合附图和具体较佳实施方式对本发明作进一步详细的说明。
如图14至图17所示，一种防电蚀电机，包括定子4、永磁转子、塑封体5、非负载侧端盖1、非负载侧轴承2、负载侧端盖8、负载侧轴承10、金属导线3、金属螺母6和金属螺丝7。
定子同轴套装在永磁转子的外周，塑封体同轴套装在定子的外周。
永磁转子包括转轴9、转子铁芯和磁钢13。
转子铁芯包括套装在转轴上的转子内铁芯12和套设在转子内铁芯外周的转子外铁芯11。
转子内铁芯和转子外铁芯之间优选设置有间隙，间隙内填充有绝缘连接层14。绝缘连接 层优选为注塑橡胶。绝缘连接层的设置，能截止电流回路，能防止电流通过转轴流向轴承，从而防止轴承的电蚀。另外，还能减小振动与噪音。
磁钢均匀嵌套在转子外铁芯的外周，磁钢优选通过注塑塑料与转子外铁芯注塑形成为一体结构。
非负载侧端盖和非负载侧轴承套装在位于非负载侧的转轴上，负载侧端盖和负载侧轴承套装在位于负载侧的转轴上。
如图15所示，负载侧端盖包括套装在转轴上的端面盖合部81和设置在端面盖合部四周的边缘弯折部82。
金属导线设置在定子和塑封体之间，金属导线优选为耐温金属导线。
金属导线的一端与非负载侧端盖相焊接，优选为碰焊。金属导线的另一端与金属螺母相连接。
金属螺母优选呈L型或U型，本发明中选择为L型。
金属螺母包括横端61和竖端62，其中，横端与金属导线相焊接，竖端上设置有螺纹孔621。
金属螺丝依次穿过负载侧端盖、竖端上的螺纹孔和负载侧的定子端面，将金属螺母固定在负载侧端盖的内侧。
上述横端61优选具有两种优选实施例。
实施例一：如图15所示，横端为与竖端一体设置的一块金属固定板。当金属螺母位置固定后，金属螺母的竖端与端面盖合部的内表面相接触，金属螺母的横端与边缘弯折部的内表面相接触。
实施例二：如图17所示，横端优选包括固定部611、金属弹簧612和金属片613，金属片设置在固定部与边缘弯折部之间，金属片通过金属弹簧与固定部相连接；固定部与竖端一体设置；金属导线与固定部或金属片相焊接。
当金属螺母位置固定后，金属片在金属弹簧弹力作用下，压紧接触在边缘弯折部的内表面。
进一步，上述金属螺母优选由铜材制作形成。
进一步，金属螺母嵌套在负载侧的定子端面上，且金属螺母的竖端外表面与负载侧的定子端面相齐平。
进一步，金属螺丝优选为防松螺丝。
一种防电蚀电机自动生产线，包括定子组装装置、转子铁芯注塑机、转轴压装设备220和转轴供料装置230。
如图1所示，定子组装装置包括定子铁芯传输线100以及沿定子铁芯传输线依次布设的定子冲压机101、定子骨架注塑机105、骨架耐压检测工装110、接线柱装配机120、绕线机130、接线柱焊接装置140、接线柱整形装置150、定子耐压检测机159、定子拼圆装置160、定子整圆装置170、波形检测装置180、接线装置185和定子壳体注塑机190。
定子铁芯传输线用于条形定子铁芯102的自动传输，条形定子铁芯具有A个定子铁芯齿，其中，A为3的倍数。定子铁芯传输线优选为条状传输带，条状传输带的两侧设置有挡板，形成条形凹槽，从而限制条形定子铁芯的自动传输。
本发明的防电蚀电机，优选为8极电机，其中，条形定子铁芯优选具有12个定子铁芯齿。
定子冲压机用于条形定子铁芯的自动冲压成型，定子冲压机为现有技术，冲压模具更换为条状模具，定子冲压机的出料端与定子铁芯传输线的入料端相对接，从而将条形定子铁芯自动传输至本发明的定子铁芯传输线上。
定子骨架注塑机用于条形定子铁芯中骨架103的注塑成型，定子骨架注塑机也为现有技术，每个定子铁芯齿上注塑一个骨架；相邻两个骨架之间的绕线腔104如图2所示，绕线腔面积大，能使绕线腔的槽形最大化，绕线最多。
本发明使定子铁芯由常规的圆形落料方式变更为条形落料，一方面使得原材料利用率大 幅提高，节省生产成本。另一方面，由于相邻两个骨架之间的绕线腔面积大，故而绕线方便的同时，绕线圈数能够增加，通过增加绕线圈数等，能使得电机整机效率由原来的50％提升至70％以上。
定子骨架注塑机具有机械抓手，机械抓手能将位于定子铁芯传输线入料端的定子铁芯抓取并放入定子骨架注塑机的型腔内，还能将位于定子骨架注塑机型腔内已注塑完成的定子铁芯抓取并放入位于定子骨架注塑机下游的定子铁芯传输线上。机械抓手优选与机械臂相连接，机械抓手优选为如图2所示的两根夹紧手指，但也可以采用如图5所示的移动夹爪的结构等。
如图3所示，骨架耐压检测工装包括升降板111、金属插块112、耐压探针113和伸缩压板114。升降板设置在定子铁芯传输线的正上方，升降板的高度能够升降且能导电；金属插块的数量为A+1个，均设置在升降板的下表面，升降板与耐压仪115的正极相连接。
本发明中，金属插块的数量为13块，位于中间的11个金属插块大于位于两侧的金属插块。
作为替换，相邻金属插块之间电串联后，直接与耐压仪的正极相连接，也属于本发明的保护范围。
当升降板下降时，金属插块能依次插接在对应的绕线腔中；耐压探针与定子铁芯传输线相垂直且能伸缩，耐压探针的伸缩端能与已注塑定子铁芯的金属外表面相接触，耐压探针的另一端与耐压仪的负极相连接。
骨架耐压检测工装上优选设置有光电传感器和位于上游的限位挡板。当光电传感器检测到有定子铁芯进入该工位时，限位挡板对定子铁芯进行阻挡，伸缩压板伸长，将定子铁芯压紧固定，金属插块插入各个绕线腔，与此同时，耐压探针与已注塑定子铁芯的金属外表面相接触，进行耐压检测。检测完成后，金属插块、伸缩压板及耐压探针复位，限位挡板打开，当耐压检测合格时，继续向前流动，当耐压检测不合格时，由位于下游的伸缩推杆将其从定子铁芯传输线上进行推离。
如图4所示，接线柱装配机包括接线柱供料仓121、侧推杆122、顶推杆123和滑移板125。
滑移板与定子铁芯传输线相垂直，滑移板沿定子铁芯传输线及定子铁芯传输线的垂直方向滑移，也即滑移板具有两个方向的自由度。
通过两个方向自由度的控制，滑移板能将待装配的定子铁芯进行阻挡并对接线柱124的装配位置进行定位。
具体，当接线柱装配机上的光电传感器检测到有定子铁芯(也可称为工件)进入该工序时，滑移板沿定子铁芯传输线的垂直方向滑移，也即伸长，对工件进行阻挡。进一步，接线柱装配机的上游也优选设置有阻挡板，当接线柱装配机工位有工件时，阻挡下一个工件的进入。
接着，根据接线柱的插设位置要求，滑移板移动带动工件移动不同的距离，实现所有接线柱的装配。
本发明中，每个定子铁芯骨架上需插设四根接线柱，故而滑移板需要向前移动四次，完成四根接线柱的插设后，恢复至原位，上游的阻挡板打开，进行下一个工件的接线柱装配。
接线柱供料仓设置在定子铁芯传输线的上方且与定子铁芯传输线相垂直，接线柱呈一列整齐排列在接线柱供料仓中，侧推杆设置在接线柱供料仓尾部，用于将接线柱供料仓中的接线柱向前推移。
接线柱供料仓前端底部设置有出料口，出料口与定子铁芯传输线上的接线柱装配位置相对应；顶推杆设置在出料口的正上方，用于将位于出料口的接线柱从出料口推离至位于接线柱装配位置上的定子铁芯的骨架中。
绕线机至少有两台，所有绕线机沿定子铁芯传输线并列设置，每台绕线机均对应设置一个光电传感器和一块伸缩挡板，光电传感器用于检测与绕线机对应的绕线工位是否有待绕线的定子铁芯，伸缩挡板用于对待绕线的定子铁芯进行限位阻挡，通过对光电传感器和伸缩挡 板的控制，实现所有绕线机的同时或交替绕线。
本发明中绕线机优选为三台，三台绕线机优选同时绕线，从而提高绕线速度，减少后续等待时间。
绕线时，通过光电传感器和伸缩挡板的阻挡控制，实现工件的自动绕线。如位于下游的光电传感器检测到有工件进入后，则下游的伸缩挡板伸长进行阻挡，然后，下游的光电传感器的指示灯熄灭，开始绕线过程。
当下游的光电传感器指示灯熄灭的同时，上游的光电传感器工作，当上游的绕线机上有工件进入后，则上游的伸缩挡板伸长进行阻挡，然后，上游的光电传感器的指示灯熄灭，开始绕线过程。
依次循环，实现所有绕线机的同时或交替绕线。本发明中，优选每次控制三个工件同时进入三台绕线机进行绕线，绕线完成后，再进行下一组三个工件的自动绕线。
本发明中，三台绕线机的上游和下游各优选设置有一块限位阻挡板，限位阻挡板在自动传输线中，属于常用部件，后续部分工序将省略描述。
如图5所示，接线柱焊接装置包括锡炉141、翻转夹板142、移动夹爪143和限位挡板145。
翻转夹板设置在锡炉的正上方，翻转夹板能将绕线后的定子铁芯夹紧，并能进行180°的翻转。翻转夹板正常处于水平状态，当有工件进入翻转夹板后，先对工件进行夹紧，随后，向下翻转180°，使工件的接线柱进行浸锡焊接。焊接完成后，翻转夹板再向上翻转180°，并松开夹紧状态，等待移动夹爪进行抓取。
翻转夹板的结构优选如图5所示，为顶部开口的抽屉箱体，抽屉箱体的底部优选与机械臂相连接，实现180°的翻转。
抽屉箱体具有定子铁芯放置槽，铁芯放置槽两侧的两块长侧板(也即沿定子铁芯传输线的传输方向)上均优选设置有夹紧豁口144，方便移动夹爪的固定夹取。
两块长侧板上均还优选设置有夹紧头(图中未示出)，夹紧头的一端从对应的长侧板穿出并与气缸相连接，能伸缩，夹紧头的另一端(也即长侧板的内侧端)能将条形定子铁芯夹紧。
限位挡板设置在翻转夹板上游和下游的定子铁芯传输线上，上游和下游的定子铁芯传输线上均还设置有如图5所示的夹紧豁口144，方便移动夹爪的固定夹取。
移动夹爪能沿定子铁芯传输线方向来回滑移，从而将绕线后的定子铁芯放置在翻转夹板上，再将接线柱浸锡焊接后的定子铁芯放置在下游的定子铁芯传输线上。
移动夹爪如图5所示，包括顶板和设置在顶板下表面的夹紧板，夹紧板能沿定子铁芯传输线相垂直的方向来回滑移，从而将条形定子铁芯夹紧固定。
如图6所示，接线柱整形装置包括升降块151和固设在升降块下表面的整形头。
升降块设置在定子铁芯传输线的上方，高度能够升降；整形头的数量与每个定子上的接线柱数量相等，优选为四个。
如图7所示，每个整形头均包括固定套筒152和同轴套设在固定套筒内部的整形套153，整形套呈圆筒形且能沿固定套筒的内壁面自由旋转，整形套的内径大于接线柱的外径。
当接线柱整形装置上的光电传感器检测到有工件进入该工位时，升降块带动整形头高度下降，整形套套装在对应接线柱的上端，随着整形头的下降，整形套自由旋转，实现对接线柱的整形，使接线柱呈竖直状态，防止扭曲变形。
定子绕线耐压检测机包括高度能够升降的检测探头，检测探头的一端均与耐压仪相连接，检测探头的另一端能分别与整形后的定子铁芯上的接线柱相连接。
当定子绕线耐压检测机上的光电传感器检测到有工件进入后，限位挡板进行阻挡，检测探头高度下降，与接线柱进行配合，进行耐压检测。定子绕线耐压检测机的具体检测方法为现有技术，这里不再赘述。
如图8所示，定子拼圆装置包括C型槽夹具161、弧形槽夹具162、中心柱163和移动夹手164,。
中心柱设置在定子铁芯传输线的一侧，且构成定子铁芯传输线的一个侧挡面，定子铁芯传输线的另一个侧挡面为伸缩侧挡板165，高度能够升降。
C型槽夹具和弧形槽夹具分别设置在中心柱的两侧并均与定子铁芯传输线相垂直，C型槽夹具和弧形槽夹具均能沿着与定子铁芯传输线相垂直的方向来回滑移，C型槽夹具能滑移至伸缩侧挡板的外侧。C型槽夹具和弧形槽夹具能够拼合形成一个以中心柱为圆心的拼接圆，拼接圆的直径优选与定子铁芯的外径相等。
移动夹手具有两根能夹紧的手指，能将拼圆后的定子铁芯移动至定子整圆装置中；C型槽夹具和弧形槽夹具的中心各设置一个插孔，插孔能与移动夹手中的手指相插合。
拼圆方法为：C型槽夹具滑移至伸缩侧挡板的外侧，伸缩侧挡板高度上升，当有工件进入后，限位挡板进行阻挡，随后，伸缩侧挡板高度下降至定子铁芯传输线的下方，C型槽夹具向着中心柱滑移，随着C型槽夹具的滑移，工件将以中心柱为中心，也向着中心柱弯曲，并形成为U型，随后，弧形槽夹具向着中心柱方向滑移，由于弧形槽夹具的阻挡定位，工件被弯折为圆形。此时，工件的拼接缝与弧形槽夹具中的插孔位置相对应。最后，移动夹手高度下降，并插入插孔中，将拼圆后的工件转移至定子整圆装置中。
如图9所示，定子整圆装置包括伸缩夹头171、伸缩定位柱172、中心定位卡爪173和焊枪174。
伸缩定位柱呈圆柱状且高度能够升降，伸缩夹头的数量为A个，优选为1个，沿伸缩定位柱的周向均匀布设。
每个伸缩夹头朝向伸缩定位柱的一侧均设置有与定子铁芯中定子齿的外表面相配合的弧面。
中心定位卡爪包括内定位面1731和夹爪，内定位面呈圆柱形，内定位面的外径与定子铁芯的内径相等；内定位面的顶部与机械臂相连接；夹爪设置在内定位面的底部，夹爪能将整圆后的定子铁芯内孔卡紧转移；焊枪高度能够升降，焊枪的前端指向定子铁芯的拼接缝。
整圆方法具体优选为包括如下步骤：
步骤1，伸缩定位柱先升高，等待移动夹手将拼圆完成的工件放入，当工件放入至伸缩定位柱外周时，光电传感器检测对工件进行检测。
步骤2，中心定位夹爪高度下降，当夹爪与伸缩定位柱接触后，伸缩定位柱下降至台面下方；中心定位夹爪高度继续下降，使内定位面与工件的内表面相接触。
步骤3，伸缩夹头伸长对工件的外表面进行定位。伸缩夹头的伸长顺序，如图9中标记的①②③④⑤⑥顺序进行。也即，首先是远离拼接缝的两个伸缩夹头同时伸长，与工件的外金属面紧密贴合；随后，与伸长的两个伸缩夹头紧挨着的两个伸缩夹头再同时伸长，与工件的外金属面紧密贴合；再接着，与拼接缝相邻的两个伸缩夹头同时伸长，与工件的外金属面紧密贴合；随后，其他伸缩夹头按对称的方式从远离拼接缝开始向着拼接缝方向逐步伸长定位。
步骤3，焊枪从上至下，对拼接缝进行激光焊接。
上述整圆方法能使定子铁芯整圆的圆度更为精确，拼接后，波形检测合格率高，整机效率高。
如图10所示，波形检测装置包括绝缘升降板181、波形检测探针182、伸缩顶杆183和升降定位柱184。
升降定位柱高度能够升降，升降定位柱的外径与定子铁芯的内径相等；伸缩顶杆的数量为A个，也即为12个，沿升降定位柱的周向均匀布设；伸缩顶杆朝向升降定位柱的一侧设置尖刀。
当定子铁芯套装在升降定位柱外周时，伸缩顶杆的尖刀能与定子铁芯底部的骨架缝隙相配合，顶部高度低于定子铁芯金属下表面，也即不与定子铁芯的金属面相接触。
波形检测探针的数量与每个定子中的接线柱数量相等，也即为4个，与套装在升降定位柱外周的定子铁芯上的接线柱位置相对应；所有波形检测探针均固定在绝缘升降板上，绝缘 升降板高度能够升降，波形检测探针的另一端与波形检测仪相连接。
检测方法同定子绕线耐压检测方法，这里不再赘述。
如图11所示，接线装置设置在波形检测装置的下游，接线装置包括旋转盘186、线束限位部件187、线束固定夹188和锡焊机189。
旋转盘能够转动，锡焊机固定设置在旋转盘的一侧，旋转盘沿周向设置若干个定子铁芯放置槽1861和定子铁芯放置槽数量相等的线束限位部件，线束限位部件和定子铁芯放置槽一一对应，线束限位部件上设置线束固定夹。
线束限位部件优选为线束放置槽或线束绕线杆，使用前，先将线束放置在线束固定槽或缠绕在线束绕线杆上，并使用线束固定夹将待焊接的线束头部进行位置固定，接着采用移动夹手或移动夹爪等，将波形检测完成的工件放入旋转盘中定子放置槽中，进行焊接。焊接精度高，提高焊接效率。
如图12所示，定子壳体注塑机包括两个注塑模具191和封闭滑轨193，封闭滑轨从定子壳体注塑机的正下方穿过，两个注塑模具与封闭滑轨滑动连接，焊接机设置在封闭滑轨的一侧，优选为碰焊机。
由于注塑时间较长，再加上准备时间，将使注塑效率大幅降低。两个注塑模具能循环使用，减少等待使用，使生产效率大幅提高。
每个注塑模具内均优选设置有四根定位针192，四根定位针与塑料连接层中的四个螺纹柱位置相对应。
注塑时，一个注塑模具进行注塑，另一个注塑模具处于等待备料中，此时，先将焊接有金属导线的金属螺母套装在其中一根定位针，接着放置塑料连接层，并使塑料连接层的四个螺纹柱套装在四根定位针上，再接着放置接线并波形检测合格后的定子铁芯，最后放置非负载侧端盖；接着，等待备料中的注塑模具滑移至碰焊机处，进行非负载侧端盖与金属导线的焊接，备料完成，等待循环注塑。作为替换，也可提前将金属螺母、金属导线与非负载侧端 盖焊接形成一体。
转子铁芯注塑机和转轴供料装置均设置在转轴压装设备的供料侧。
转子铁芯注塑机用于将转子内铁芯和转子外铁芯注塑形成一体。
如图13所示，转轴供料装置230包括同步带231、限位挡板232和轮齿233。同步带能够转动，同步带和限位挡板平行并列设置，同步带和限位挡板之间的间距优选小于转轴压装部位的直径；同步带的外表面以及限位挡板上均设置有相啮合的轮齿，同步带的轮齿与限位挡板的轮齿之间形成转轴放置槽口。
转轴从图13中的右侧进入，从左侧出料，也即右侧为进料口，左侧为出料口。转轴的负载侧段直径小于负载侧端及转轴压装部位的直径。故转轴的非负载侧端及转轴压装部位处于转轴放置槽口的上方，转轴的负载侧端位于转轴放置槽口的下方。随着，同步带的顺时针转动，而限位挡板位置固定，故将转轴竖直向前推送。
转轴压装设备220包括升降压板221、上压头222、下基座223、压装高度检测装置和电磁吸盘225。
电磁吸盘用于将转子铁芯注塑机中注塑完成的转子铁芯吸附放置在下基座顶部；电磁吸盘顶部与机械臂相连接，电磁吸盘底部中心设置有伸缩导杆，优选为弹簧导杆，正常时，伸缩导杆处于伸长状态。
下底座顶部嵌套有电磁铁2232，下底座具有中空容腔2231，下底座底部与滑轨226滑动连接且高度能够升降，下底座能滑移至转轴供料装置的供料位。
上压头顶部与升降压板可拆卸连接，优选为螺纹连接。上压头底部设置有套筒，套筒能套装在转轴的非负载端外周。
压装高度检测装置包括两个平行并列设置在升降压板的下表面，底部高度相等，其中一个高度传感器用于检测自身至转轴顶部之间的距离，另一个高度传感器用于检测自身至内转子上表面之间的距离。
上压头优选为一个中空的套筒2222，套筒内设置有定位螺杆2221，定位螺杆外周与上压头的中空腔螺纹配合，定位螺杆底部为压装平面。通过调节定位螺杆的位置，进而可以调整转轴的压装高度。
具体优选压装方法，包括如下步骤。
步骤1，电磁吸盘在机械臂的带动下，移动至转子铁芯注塑机工位；电磁吸盘高度下降，伸缩导杆进入转子铁芯的内孔，电磁吸盘通电，将转子铁芯吸附，并转移至下基座的上表面。优选，伸缩导杆伸长的长度大于转子铁芯的高度，故伸缩导杆先进入下基座的中空容腔中进行导向定位。随后，下基座上的电磁铁通电，将转子铁芯吸附。与此同时，电磁吸盘断电，离开下基座。
步骤2，下基座带动转子铁芯一起滑移至转轴供料装置的出料口处，并与转轴的负载端相接触，随后，下基座高度上升，使转轴的负载端进入转子铁芯的内孔及下基座的中空容腔中。
步骤3，下基座高度下降并滑移至上压头的正下方，上压头高度下降，套筒套装在转轴非负载端的外周，上压头高度进行下降至设定高度，完成压装。
步骤4，下基座向右或向左滑移至高度传感器的正下方，两个高度传感器工作，两个传感器检测的高度差值即为压装高度。当压装高度不够时，根据高度传感器的检测值，下基座重复步骤3，再次进行压装作业。
以上详细描述了本发明的优选实施方式，但是，本发明并不限于上述实施方式中的具体细节，在本发明的技术构思范围内，可以对本发明的技术方案进行多种等同变换，这些等同变换均属于本发明的保护范围。

Claims (10)

  1. 一种防电蚀电机自动生产线，其特征在于：包括定子组装装置，定子组装装置包括定子铁芯传输线以及沿定子铁芯传输线依次布设的定子冲压机、定子骨架注塑机、骨架耐压检测工装、接线柱装配机、绕线机、接线柱焊接装置、接线柱整形装置、定子耐压检测机、定子拼圆装置、定子整圆装置；
    定子铁芯传输线用于条形定子铁芯的自动传输，条形定子铁芯具有A个定子铁芯齿，其中，A为3的倍数；
    定子冲压机用于条形定子铁芯的自动冲压成型，定子冲压机的出料端与定子铁芯传输线的入料端相连接；
    定子骨架注塑机用于条形定子铁芯中骨架的注塑成型，每个定子铁芯齿上注塑一个骨架；
    定子骨架注塑机具有机械抓手，机械抓手能将位于定子铁芯传输线入料端的定子铁芯抓取并放入定子骨架注塑机的型腔内，还能将位于定子骨架注塑机型腔内已注塑完成的定子铁芯抓取并放入位于定子骨架注塑机下游的定子铁芯传输线上；
    骨架耐压检测工装包括升降板、金属插块、耐压探针和伸缩压板；升降板设置在定子铁芯传输线的正上方，升降板的高度能够升降且能导电；金属插块的数量为A+1个，均设置在升降板的下表面，升降板与耐压仪的正极相连接；当升降板下降时，金属插块能依次插接在对应的绕线腔中；耐压探针与定子铁芯传输线相垂直且能伸缩，耐压探针的伸缩端能与已注塑定子铁芯的金属外表面相接触，耐压探针的另一端与耐压仪的负极相连接；
    接线柱装配机包括接线柱供料仓、侧推杆、顶推杆和滑移板；滑移板与定子铁芯传输线相垂直，滑移板沿定子铁芯传输线及定子铁芯传输线的垂直方向滑移，滑移板能将待装配的定子铁芯进行阻挡并对接线柱的装配位置进行定位；接线柱供料仓设置在定子铁芯传输线的上方且与定子铁芯传输线相垂直，接线柱呈一列整齐排列在接线柱供料仓中，侧推杆设置在接线柱供料仓尾部，用于将接线柱供料仓中的接线柱向前推移；接线柱供料仓前端底部设置有出 料口，出料口与定子铁芯传输线上的接线柱装配位置相对应；顶推杆设置在出料口的正上方，用于将位于出料口的接线柱从出料口推离至位于接线柱装配位置上的定子铁芯的骨架中；
    绕线机至少有两台，所有绕线机沿定子铁芯传输线并列设置，每台绕线机均对应设置一个光电传感器和一块伸缩挡板，光电传感器用于检测与绕线机对应的绕线工位是否有待绕线的定子铁芯，伸缩挡板用于对待绕线的定子铁芯进行限位阻挡，通过对光电传感器和伸缩挡板的控制，实现所有绕线机的同时或交替绕线；
    接线柱焊接装置包括锡炉、翻转夹板、移动夹爪和限位挡板；翻转夹板设置在锡炉的正上方，翻转夹板能将绕线后的定子铁芯夹紧，并能进行180°的翻转；限位挡板设置在翻转夹板上游和下游的定子铁芯传输线上，移动夹爪能沿定子铁芯传输线方向来回滑移，从而将绕线后的定子铁芯放置在翻转夹板上，再将接线柱浸锡焊接后的定子铁芯放置在下游的定子铁芯传输线上；
    接线柱整形装置包括升降块和固设在升降块下表面的整形头，升降块设置在定子铁芯传输线的上方，高度能够升降；整形头的数量与每个定子上的接线柱数量相等；每个整形头均包括固定套筒和同轴套设在固定套筒内部的整形套，整形套呈圆筒形且能沿固定套筒的内壁面自由旋转，整形套的内径大于接线柱的外径；
    定子绕线耐压检测机包括高度能够升降的检测探头，检测探头的一端均与耐压仪相连接，检测探头的另一端能分别与整形后的定子铁芯上的接线柱相连接；
    定子拼圆装置包括C型槽夹具、弧形槽夹具、中心柱和移动夹手；中心柱设置在定子铁芯传输线的一侧，且构成定子铁芯传输线的一个侧挡面，定子铁芯传输线的另一个侧挡面为伸缩侧挡板，高度能够升降；C型槽夹具和弧形槽夹具分别设置在中心柱的两侧并均与定子铁芯传输线相垂直，C型槽夹具和弧形槽夹具均能沿着与定子铁芯传输线相垂直的方向来回滑移，C型槽夹具能滑移至伸缩侧挡板的外侧；C型槽夹具和弧形槽夹具能够拼合形成一个以中心 柱为圆心的拼接圆；移动夹手具有两根能夹紧的手指，能将拼圆后的定子铁芯移动至定子整圆装置中；C型槽夹具和弧形槽夹具的中心各设置一个插孔，插孔能与移动夹手中的手指相插合；
    定子整圆装置包括伸缩夹头、伸缩定位柱、中心定位卡爪和焊枪；伸缩定位柱呈圆柱状且高度能够升降，伸缩夹头的数量为A个，沿伸缩定位柱的周向均匀布设；每个伸缩夹头朝向伸缩定位柱的一侧均设置有与定子铁芯中定子齿的外表面相配合的弧面；中心定位卡爪包括内定位面和夹爪，内定位面呈圆柱形，内定位面的外径与定子铁芯的内径相等；内定位面的顶部与机械臂相连接；夹爪设置在内定位面的底部，夹爪能将整圆后的定子铁芯内孔卡紧转移；焊枪高度能够升降，焊枪的前端指向定子铁芯的拼接缝。
  2. 根据权利要求1所述的防电蚀电机自动生产线，其特征在于：定子组装装置还包括设置在定子整圆装置下游的波形检测装置，波形检测装置包括绝缘升降板、波形检测探针、伸缩顶杆和升降定位柱；升降定位柱高度能够升降，升降定位柱的外径与定子铁芯的内径相等；伸缩顶杆的数量为A个，沿升降定位柱的周向均匀布设；伸缩顶杆朝向升降定位柱的一侧设置尖刀，当定子铁芯套装在升降定位柱外周时，伸缩顶杆的尖刀能与定子铁芯底部的骨架缝隙相配合；波形检测探针的数量与每个定子中的接线柱数量相等，且与套装在升降定位柱外周的定子铁芯上的接线柱位置相对应；所有波形检测探针均固定在绝缘升降板上，绝缘升降板高度能够升降，波形检测探针的另一端与波形检测仪相连接。
  3. 根据权利要求2所述的防电蚀电机自动生产线，其特征在于：定子组装装置还包括接线装置，接线装置设置在波形检测装置的下游，接线装置包括旋转盘、线束限位部件、线束固定夹和锡焊机；旋转盘能够转动，锡焊机固定设置在旋转盘的一侧，旋转盘沿周向设置若干个定子铁芯放置槽和定子铁芯放置槽数量相等的线束限位部件，线束限位部件和定子铁芯放置槽一一对应，线束限位部件上设置线束固定夹。
  4. 根据权利要求3所述的防电蚀电机自动生产线，其特征在于：线束限位部件为线束放置槽或线束绕线杆。
  5. 根据权利要求3所述的防电蚀电机自动生产线，其特征在于：定子组装装置还包括设置在接线装置下游的定子壳体注塑机，定子壳体注塑机包括两个注塑模具和封闭滑轨，封闭滑轨从定子壳体注塑机的正下方穿过，两个注塑模具与封闭滑轨滑动连接。
  6. 根据权利要求5所述的防电蚀电机自动生产线，其特征在于：定子组装装置还包括设置在封闭滑轨一侧的焊接机。
  7. 根据权利要求1所述的防电蚀电机自动生产线，其特征在于：还包括转子铁芯注塑机、转轴压装设备和转轴供料装置；转子铁芯注塑机和转轴供料装置均设置在转轴压装设备的供料侧；转子铁芯注塑机用于将转子内铁芯和转子外铁芯注塑形成一体；转轴供料装置包括同步带、限位挡板和轮齿；同步带能够转动，同步带和限位挡板平行并列设置；同步带的外表面以及限位挡板上均设置有能相啮合的轮齿；转轴压装设备包括升降压板、上压头、下基座、压装高度检测装置和电磁吸盘；电磁吸盘用于将转子铁芯注塑机中注塑完成的转子铁芯吸附放置在下基座顶部；电磁吸盘顶部与机械臂相连接，电磁吸盘底部中心设置有伸缩导杆；下底座顶部嵌套有电磁铁，下底座具有中空容腔，下底座底部与滑轨滑动连接且高度能够升降，下底座能滑移至转轴供料装置的供料位；上压头顶部与升降压板可拆卸连接，上压头底部设置有套筒，套筒能套装在转轴的非负载端外周；压装高度检测装置包括两个平行并列设置在升降压板的下表面，底部高度相等，其中一个高度传感器用于检测自身至转轴顶部之间的距离，另一个高度传感器用于检测自身至内转子上表面之间的距离。
  8. 根据权利要求7所述的防电蚀电机自动生产线，其特征在于：上压头为一个中空的套筒，套筒内设置有定位螺杆，定位螺杆外周与上压头的中空腔螺纹配合，定位螺杆底部为压装平面。
  9. 一种采用权利要求1至8任一项所述的防电蚀电机自动生产线生产的防电蚀电机，其特征在于：包括定子、永磁转子、塑封体、非负载侧端盖、负载侧端盖、金属导线、金属螺母和金属螺丝；
    定子同轴套装在永磁转子的外周，塑封体同轴套装在定子的外周；
    永磁转子包括转轴，非负载侧端盖和负载侧端盖分别套装在位于定子两侧的转轴上；
    负载侧端盖包括套装在转轴上的端面盖合部和设置在端面盖合部四周的边缘弯折部；
    金属导线设置在定子和塑封体之间，金属导线的一端与非负载侧端盖相焊接，金属导线的另一端与金属螺母相连接；
    金属螺母包括横端和竖端，其中，横端与金属导线相焊接，竖端上设置有螺纹孔；
    金属螺丝依次穿过负载侧端盖、竖端上的螺纹孔和负载侧的定子端面，将金属螺母固定在负载侧端盖的内侧；当金属螺母位置固定后，金属螺母的竖端与端面盖合部的内表面相接触，金属螺母的横端与边缘弯折部的内表面相接触。
  10. 根据权利要求9所述的采用防电蚀电机自动生产线生产的防电蚀电机，其特征在于：永磁转子还包括转子铁芯和磁钢；转子铁芯包括套装在转轴上的转子内铁芯和套设在转子内铁芯外周的转子外铁芯，磁钢均匀嵌套在转子外铁芯的外周；转子内铁芯和转子外铁芯之间填充有绝缘连接层：磁钢通过注塑塑料与转子外铁芯注塑形成为一体结构。
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