CN110091048B - Automatic welding production line for auxiliary poles of automobile starter stator - Google Patents

Abstract

The automatic welding production line for the auxiliary poles of the automobile starter stator overcomes the defects that in the prior art, the mounting and the removing of the stator shell, the positioning of a U-shaped opening of the stator shell and the arrangement of the auxiliary poles are all dependent on manual operation, the working efficiency is low, the degree of automation is low, the labor intensity is high, meanwhile, potential safety hazards exist, and the automatic welding production line is not suitable for continuous batch production.

Description

Automatic welding production line for auxiliary poles of automobile starter stator

Technical Field

The invention belongs to the technical field of welding, and particularly relates to an automatic welding production line for auxiliary poles of a stator of an automobile starter.

Background

In order to realize automatic stamping of the holes or grooves, the invention with the application number of CN201610864602.0 and the grant publication number of CN106270078B discloses an automatic stamping line for the stator shell of the automobile starter, after the automatic stamping line for the stator shell of the automobile starter stamps the 6 brush frame limit bumps, the 2 brush frame positioning bumps, the 1 lower end face U-shaped lead out holes, the 1 upper end face rectangular groove, the 1 lower end face rectangular groove and the 1 circular drain valve mounting hole, 6 auxiliary poles are welded on the inner wall of the stator shell of the automobile starter, and in order to realize automatic welding of the 6 auxiliary poles on the inner wall of the stator shell of the automobile starter, the invention discloses a automatic stamping line for the stator auxiliary poles of the automobile starter in the invention with the application number of CN200910012714.3 and the grant publication number of CN101623792B, but the invention does not solve the problem that the stator is not evenly distributed by the following manual stator indexing after the stator is stamped in 10 years, and the following problems are not found out in practice by the invention:

Firstly, a stator shell needs to be held by hand, the stator shell is sleeved on a lower electrode of a resistance welder, namely, the stator shell is installed and removed or depends on manual operation, the problems of low working efficiency, low automation degree and high labor intensity still exist in the link, in addition, the situation that the stator shell is not put in place exists, the welding position of an auxiliary electrode is inaccurate, waste products appear, meanwhile, the problems of scratch on the outer surface of the stator shell of the starter and potential safety hazards of operation exist, and accidents occur in practical operation;

secondly, the U-shaped opening of the stator shell is needed to be positioned by holding the stator shell, namely, after the stator shell is sleeved on the lower electrode of the resistance welder, the U-shaped opening of the stator shell is also positioned manually, and the problems of low working efficiency, low automation degree and high labor intensity and potential safety hazard still exist in the link;

the auxiliary electrodes are automatically arranged manually, namely a storage block is fixed on the left side of a lower electrode seat on the lower electrode, an auxiliary electrode trough with the bottom communicated with a strip-shaped groove on the upper part of the lower electrode is arranged on the storage block, in short, the auxiliary electrodes are stored in the storage block through manual feeding, 2 convex welding spots are arranged on the end face of an auxiliary electrode matrix because the auxiliary electrodes are made by punching iron plates into preset shapes, and when the storage block stores the auxiliary electrodes, the 2 convex welding spots on the end face of the auxiliary electrode matrix are required to be in the same direction, so that the auxiliary electrodes are required to be manually screened during manual feeding, a plurality of auxiliary electrodes are stacked in the auxiliary electrode trough according to a specified direction, the degree of automation is low, the labor intensity is high, the problem that the direction of the 2 convex welding spots on the end face of the auxiliary electrode matrix is misplaced due to misoperation exists, the shutdown correction is required, or the problem of low production efficiency exists in the link, and the auxiliary electrode is not suitable for batch automatic production;

The problems of low production efficiency, high labor intensity and low automation degree still exist in the prior art, and the automatic stamping line of the starter stator shell and the automatic auxiliary welder of the automobile starter stator are not connected, and the automatic stamping line of the starter stator shell and the automatic auxiliary welder of the automobile starter stator work independently, are isolated from each other and are not connected with each other, and are not suitable for continuous batch automatic production because the automatic auxiliary welder is carried before the starter stator shell after being stamped by the stamping line is packaged and then subjected to auxiliary automatic welding.

Disclosure of Invention

The invention aims to solve the problems of the prior art, and provides an automatic welding production line for the auxiliary poles of the automobile starter, which can reduce manual operation links, realize the installation and the removal of the stator shell, automatically grasp and transfer, automatically rotate and position the U-shaped opening of the stator shell, automatically arrange and move the auxiliary poles forward, connect an automatic punching line of the stator shell of the starter with an automatic welding machine for the auxiliary poles of the automobile starter on the basis of the prior art, namely on the basis of realizing accurate indexing of the stator shell and uniform distribution of the auxiliary poles of the stator, and is suitable for continuous batch production and safe and reliable.

The technical proposal adopted by the invention comprises a main body frame, a workbench and a control system, wherein a transverse linear guide rail is arranged on the workbench, a longitudinal beam is arranged on the transverse linear guide rail, a longitudinal linear guide rail is arranged on the longitudinal beam, a screw is fixedly connected between the 2 longitudinal linear guide rails, a ball screw is arranged in the screw, a screw stepping motor is arranged at the right end of the longitudinal beam, a welding head lifting cylinder is arranged on the screw on the ball screw through a U-shaped frame, the lower end of the welding head lifting cylinder is connected with a welding head clamping jaw cylinder, the lower end of the welding head clamping jaw cylinder is connected with a workpiece chuck, a six-index servo motor is arranged at one side of the U-shaped frame at the lower end of the welding head lifting cylinder through a connecting plate, a rotary positioning servo motor is arranged at a position which is 90 degrees with the six-index servo motor, an adjusting machine seat is arranged at the left side on the upper surface of the workbench, a welding electrode lifting cylinder is arranged on the adjusting machine seat through an upper welding electrode bracket, an upper welding electrode is arranged at the lower end of the welding electrode lifting cylinder through an upper electrode seat, a lower welding electrode bracket is also arranged at the left side above the workbench, a lower welding electrode is arranged on the lower welding electrode bracket through a lower electrode seat, a welding transformer is also connected on the upper welding electrode bracket through a conductive belt, an auxiliary electrode bin is arranged at the left side of the lower welding electrode above the adjusting machine seat, an auxiliary electrode lifting cylinder is arranged at the upper end of the auxiliary electrode bin, an auxiliary electrode feeding cylinder and a feeding push rod connected with a cylinder rod of the auxiliary electrode feeding cylinder are arranged at one side of the auxiliary electrode bin on the adjusting machine seat through a feeding bracket, an auxiliary electrode conveying device is arranged at the left side of the machine frame 1, a stator shell feeding conveying device is arranged at the front side of the machine frame, the workpiece grabbing and transferring mechanism and the workpiece positioning mechanism of the U-shaped opening of the stator shell corresponding to the workpiece grabbing and transferring mechanism are arranged on the workbench and correspond to the feeding and conveying device of the stator shell.

The auxiliary pole conveying device comprises an auxiliary pole conveying device frame, the top of the auxiliary pole conveying device frame is a table top, a vibration feeding tray is arranged on the left side of the table top and comprises a spiral discharging track, a first material channel is welded at an outlet of the spiral discharging track of the vibration feeding tray, a first linear material channel is processed on the first material channel, a first base is connected to the right side of the table top, a first linear feeder is connected to the first base surface, a second material channel is connected to the first linear feeder, a second linear material channel is processed on the second material channel, the second linear material channel corresponds to the first linear material channel on the first material channel, an installation gap for preventing resonance is reserved between the first material channel and the second material channel, the inlet width of the spiral discharging track is 6mm, and the outlet width is 3mm.

The right side of the first base is connected with a second base through a screw, a second linear feeder is connected to the second base, a second material channel is connected to the second linear feeder, and a second linear trough is machined in the second material channel.

The stator casing material loading conveyor includes casing conveyor frame, installs feeding motor on the stand of casing conveyor frame, installs the pay-off conveyer belt in the upper end of stator casing conveyor frame, and the baffle is installed to the left and right sides above the pay-off conveyer belt, the baffle is supported through the back shaft that installs in a plurality of supporting shoe of casing conveyor frame top left and right sides installation, articulates in the exit position casing conveyor frame of baffle has the spring presser foot that is used for the casing location, still installs feeding cylinder and photoelectric switch in the casing conveyor frame the casing unloading conveyor that contains unloading motor and unloading conveyer belt is still installed to the rear side of frame.

The workpiece grabbing and transferring mechanism comprises a grabbing and transferring mechanism machine table connecting plate, a feeding lifting cylinder is fixedly connected to the grabbing and transferring mechanism machine table connecting plate, a rotating cylinder is connected to the feeding lifting cylinder, a swinging arm capable of rotating 180 degrees is connected to a rotating table of the rotating cylinder, and a workpiece grabbing cylinder is connected to the left end of the swinging arm.

The grabbing and transferring mechanism table connecting plate is provided with 2 right-angle sides, the outer sides of the vertical right-angle sides of the grabbing and transferring mechanism table connecting plate are fixedly connected with a feeding lifting cylinder, and the upper side of the feeding lifting cylinder is connected with a rotating cylinder through a transition plate.

The workpiece grabbing cylinder comprises a pin shaft and a cylinder clamping jaw hinged through the pin shaft, and the cylinder clamping jaw is connected with a workpiece clamping jaw formed by a Z-shaped extension claw and a claw liner made of polyurethane materials.

The workpiece positioning mechanism comprises a positioning mechanism lifting cylinder, a U-shaped positioning mechanism linear guide rail bracket is arranged on the positioning mechanism lifting cylinder, positioning mechanism machine table connecting plates are symmetrically arranged on the left side and the right side of the U-shaped positioning mechanism linear guide rail bracket, a motor seat is fixedly connected to a tray at the upper end of a piston rod of the positioning mechanism lifting cylinder, positioning mechanism linear guide rails are symmetrically arranged on the left side and the right side of the motor seat, a workpiece positioning stepping motor is arranged in the motor seat, an angle adjusting plate is arranged on the motor seat, an auxiliary positioning cylinder is arranged on the angle adjusting plate, a probe bracket is arranged on a sliding block of the auxiliary positioning cylinder, a detection probe is arranged at the upper end of the probe bracket, a motor shaft of the workpiece positioning stepping motor is uniformly connected with a stator shell tray through a connecting block, and 4 positioning pins are uniformly distributed on the stator shell tray.

The angle adjusting plate comprises a disc and a handle integrated with the disc, 4 arc holes are uniformly distributed in the disc, adjusting screws are arranged in each arc hole, when the angle adjusting plate reaches a set angle through manual adjustment of the handle during use, the angle adjusting plate is locked and fixed with the motor base through the adjusting screws, and an auxiliary positioning cylinder is arranged on the handle of the angle adjusting plate.

The control system comprises a main controller, the main controller is in bidirectional connection with an upper computer through a communication cable, the main controller is in bidirectional connection with a touch screen through a communication cable, the upper computer is in bidirectional connection with the touch screen through a communication cable, the main controller is also in bidirectional connection with a welding controller through a wire, the main controller is respectively connected with a first power supply circuit and a second power supply circuit through a wire, the first power supply circuit is respectively connected with a feeding motor, a feeding solenoid valve, a workpiece grabbing solenoid valve, a feeding lifting solenoid valve, a rotary solenoid valve, an auxiliary positioning solenoid valve, a positioning device lifting solenoid valve, a welding head clamping jaw solenoid valve, a welding head lifting solenoid valve, a vibration feeding disc controller, a linear feeding controller, an auxiliary lifting solenoid valve, an auxiliary electrode advancing and retracting solenoid valve, a welding electrode lifting solenoid valve and a longitudinal beam moving solenoid valve, the feeding motor is connected with a feeding conveyor belt, the feeding solenoid valve is connected with a feeding cylinder, the rotary solenoid valve is connected with the rotary solenoid valve, the auxiliary positioning device lifting solenoid valve is connected with the auxiliary positioning device lifting solenoid valve, the welding head lifting solenoid valve is connected with the positioning mechanism lifting solenoid valve, the welding head is connected with the welding head lifting solenoid valve, the welding head is connected with the auxiliary electrode advancing and retracting solenoid valve, the welding head is connected with the lifting cylinder, the longitudinal beam moving electromagnetic valve is connected with the longitudinal beam moving cylinder, the blanking motor is connected with the blanking conveyor belt, wherein a first photoelectric detector is arranged on the feeding conveyor belt, a second photoelectric detector is arranged on the feeding cylinder, a third photoelectric detector and a fourth photoelectric detector are arranged on the workpiece grabbing cylinder, a fifth photoelectric detector and a sixth photoelectric detector are arranged on the feeding lifting cylinder, a seventh photoelectric detector and an eighth photoelectric detector are arranged on the rotating cylinder, a ninth photoelectric detector and a tenth photoelectric detector are arranged on the auxiliary positioning cylinder, an eleventh photoelectric detector is arranged on the positioning mechanism lifting cylinder, a twelfth photoelectric detector is arranged on the welding head lifting cylinder, a thirteenth photoelectric detector is arranged on the auxiliary electrode lifting cylinder, a fourteenth photoelectric detector is arranged on the auxiliary electrode lifting cylinder, a fifteenth photoelectric detector is arranged on the welding electrode lifting cylinder, a sixteenth longitudinal beam moving cylinder and a sixteenth photoelectric detector are arranged on the welding electrode lifting cylinder, and the first photoelectric detector is connected with the main control photoelectric detector respectively; the second power supply circuit is respectively connected with a nut stepping driver, a workpiece positioning stepping driver, a rotary positioning servo driver and a sixth indexing servo driver, wherein the nut stepping driver is connected with a nut stepping motor, the workpiece positioning stepping driver is connected with a workpiece positioning stepping motor, the rotary positioning servo driver is connected with the rotary positioning servo motor, the sixth indexing servo driver is connected with the sixth indexing servo motor, an eighteenth photoelectric detector is arranged on the nut stepping motor, a nineteenth photoelectric detector is arranged on the workpiece positioning stepping motor, a twentieth photoelectric detector is arranged on the rotary positioning servo motor, and twenty-first photoelectric detectors are arranged on the sixth indexing servo motor, and the eighteenth photoelectric detector to the twenty-first photoelectric detector are respectively connected with the main controller.

Compared with the prior art, the invention has the beneficial effects that:

(1) According to the workpiece grabbing and transferring mechanism, the grabbing and releasing of the workpiece are realized through the control of the workpiece grabbing cylinder, the lifting and lowering of the workpiece are realized through the control of the feeding lifting cylinder, the workpiece is rotated by 180 degrees through the control of the rotating cylinder, the transferring of the workpiece is realized, and the degree of automation and the working efficiency are high; the cylinder clamping jaw of the grabbing cylinder is connected with a specially designed workpiece clamping jaw, the workpiece clamping jaw is composed of a Z-shaped extension claw and a claw liner, grabbing of a stator housing workpiece is achieved, and the claw liner is made of polyurethane materials, so that scratch on the outer surface of a starter stator housing can be avoided;

(2) The positioning mechanism realizes the ascending and descending of the workpiece through the control of the lifting cylinder of the positioning mechanism, drives the stator shell tray to rotate and realizes the positioning of the U-shaped opening on the stator shell of the starter through the control of the workpiece positioning stepping motor and the rotary positioning servo motor, has high working efficiency, high positioning precision and high automation degree, reduces the labor intensity and improves the safety and the reliability;

(3) The auxiliary electrode conveying device adopts the automatic directional sequencing feeding equipment such as the vibration feeding tray, disordered auxiliary electrodes are automatically, orderly and accurately conveyed to the first material channel in a directional and orderly arrangement mode by improving the spiral discharging track of the vibration feeding tray, the second material channel is arranged on the first linear feeder and the second linear feeder, the auxiliary electrodes move forward according to the linear arrangement mode under the vibration of the vibration feeding tray, the first linear feeder and the second linear feeder, enter the second linear material channel on the second material channel through the first linear material channel, and enter the welding bin of the automatic auxiliary electrode welding production line of the starter stator through the second linear material channel, so that the problem that the direction of 2 projection welding points on the end face of the auxiliary electrode substrate is wrong due to misoperation is avoided, the automatic degree is high, and the labor intensity is reduced;

(4) The main controller is connected with the welding controller in a bidirectional manner through the lead, and is respectively connected with each actuating mechanism through the first power circuit and the second power circuit, so that a reliable control system is provided for an automatic auxiliary welding production line of the stator casing of the automobile starter for continuous mass production.

Drawings

FIG. 1 is a front view of a hidden stator housing transport mechanism of the present invention;

FIG. 2 is a left side view of the hidden auxiliary pole conveyor of FIG. 1;

FIG. 3 is a top view of the hidden horn lift cylinder and its moving mechanism of FIG. 1;

figure 4 is a front view of the auxiliary pole conveyor of the present invention,

Figure 5 is a top view of figure 4,

figure 6 is an enlarged view of a portion of figure 5 at B,

figure 7 is a front view of the stator housing feed conveyor of the present invention,

figure 8 is a top view of figure 7,

figure 9 is a front view of the workpiece gripping and transfer mechanism of the present invention,

figure 10 is a top view of figure 9,

figure 11 is a front view of the workpiece positioning mechanism of the present invention,

figure 12 is a top view of the angle adjustment plate of figure 11 rotated downwardly 90,

fig. 13 is a block diagram of the control system of the present invention.

In the figure:

1. a main body frame, a workbench, an upper bracket, a transverse linear guide rail,

5. longitudinal beam, 6 longitudinal linear guide rail, 7 ball screw, 8 welding head lifting cylinder,

9. a welding head clamping jaw cylinder, a workpiece chuck, a six-time indexing servo motor,

12. a rotary positioning servo motor, 13, a nut stepper motor, 14, a coupler,

15. screw nut, 16, adjusting stand, 17, upper welding electrode bracket,

18. a welding electrode lifting cylinder 19, an upper welding electrode 20, a lower welding electrode bracket,

21. a lower welding electrode, 22, a conductive belt, 23, a welding transformer, 24, an auxiliary electrode bin,

25. an auxiliary electrode lifting cylinder, a 26 auxiliary electrode advancing and retreating cylinder, a 27 feeding push rod,

28. an auxiliary electrode conveying device is arranged on the main body,

28-1. Auxiliary electrode conveying device frame, 28-2. Table top,

28-3, a first base, 28-4, a second base,

28-5, a second linear feeder, 28-6, a second material channel,

28-6-1, a second linear trough, 28-7, a first linear feeder,

28-8, a vibration feeding disc, 28-8-1, a spiral discharging track,

28-9, a first material channel, 28-9-1, a first linear trough and 28-10, and a mounting gap;

29. a feeding and conveying device for a stator shell,

29-1, a housing conveying device frame, 29-2, a feeding motor, 29-3, a feeding conveyor belt,

29-4, baffle, 29-5 feeding cylinder, 29-6, photoelectric switch,

29-7, a spring presser foot; 30. a stator workpiece grabbing and transferring mechanism;

30-1, workpiece clamping jaw, 30-1-1.Z shaped extension claw, 30-1-2, claw lining,

30-2, a workpiece grabbing cylinder, 30-2-1, a pin shaft, 30-2-2, a cylinder clamping jaw,

30-3, a swing arm, 30-4, a rotary cylinder, 30-5, a transition plate, 30-6, a feeding lifting cylinder,

30-7 parts of a grabbing and transferring mechanism platform connecting plate, 30-8 parts of a first screw, 30-9 parts of a second screw,

30-10 parts of third screws, 30-11 parts of fourth screws, 30-12 parts of fifth screws and 30-13 parts of sixth screws;

31. a workpiece positioning mechanism,

31-1, a lifting cylinder of a positioning mechanism, 31-2, a motor base, 31-3, a linear guide rail of the positioning mechanism, 31-4, an angle adjusting plate,

31-4-1 parts of a disc, 31-4-2 parts of a handle, 31-4-3 parts of an arc-shaped hole, 31-4-4 parts of an adjusting screw,

31-5, a workpiece positioning stepping motor, 31-6, an auxiliary positioning cylinder, 31-7, a probe bracket,

31-8, detecting probe, 31-9, connecting block, 31-10, stator shell tray,

31-11, locating pins, 31-12 locating mechanism machine connecting plates,

31-13, 31-14, eighth, 31-15, ninth,

31-16, screw holes, 31-17, positioning mechanism linear guide rail brackets;

32. a control box, 33, a control system,

33.1. a main controller, 33.2. An upper computer,

33.3. a touch screen, a 33.4. Welding controller,

33.5. a first power supply circuit, a 33.6 second power supply circuit,

33.9. a feeding electromagnetic valve, a 33.11-grasping electromagnetic valve,

33.13. a feeding lifting electromagnetic valve, 33.15, a rotating electromagnetic valve,

33.17. auxiliary positioning electromagnetic valve, 33.19 positioning device lifting electromagnetic valve

33.21. A welding head clamping jaw electromagnetic valve, a 33.23-degree welding head lifting electromagnetic valve,

33.25. a vibration feeding tray controller, a 33.27 linear feeding controller,

33.29. auxiliary lifting electromagnetic valve, 33.31 auxiliary advancing and retreating electromagnetic valve,

33.33. a welding electrode lifting electromagnetic valve, a 33.35-degree longitudinal beam moving electromagnetic valve,

33.36. the longitudinal beam moves the air cylinder,

33.39. a first photodetector, a 33.40 second photodetector,

33.41. a third photodetector, 33.42, a fourth photodetector,

33.43. A fifth photodetector, 33.44 sixth photodetector,

33.45. a seventh photodetector, 33.46 eighth photodetector,

33.47. a ninth photodetector, a 33.48 tenth photodetector,

33.49. an eleventh photodetector, a 33.50 twelfth photodetector,

33.51. thirteenth photodetector, 33.52, fourteenth photodetector,

33.53. a fifteenth photodetector, a 33.54 sixteenth photodetector,

33.55. seventeenth photodetector, 33.56. Nut stepper driver,

33.58. a workpiece positioning step driver 33.60, a rotary positioning servo driver,

33.62. a six index servo drive, 33.64, an eighteenth photodetector,

33.65. nineteenth photodetectors, 33.66 twentieth photodetectors,

33.67. a twenty-first photo-detector is provided,

34. a shell blanking conveying device, 35. A blanking motor,

36. and (5) blanking a conveyor belt.

Detailed Description

As shown in fig. 1 to 3, the invention comprises a main body frame 1, a workbench 2 is arranged on the main body frame 1, 4 upper brackets 3 are arranged on the workbench 2, transverse linear guide rails 4 are respectively arranged on the left and right 2 upper brackets 3 on the front side and the left and right 2 upper brackets 3 on the rear side, a longitudinal beam 5 is arranged on the transverse linear guide rails 4, 2 longitudinal linear guide rails 6 are arranged on the longitudinal beam 5, nuts 15 are fixedly connected between the 2 longitudinal linear guide rails 6, ball screws 7 are arranged in the nuts 15, nut stepping motors 13 are arranged at the right ends of the longitudinal beam 5, and the nut stepping motors 13 are connected with the ball screws 7 through couplings 14; a welding head lifting cylinder 8 is arranged on a screw 15 on a ball screw 7 through a U-shaped frame, a welding head clamping jaw cylinder 9 is connected with the lower end of the welding head lifting cylinder 8, a workpiece clamping head 10 is connected with the lower end of the welding head clamping jaw cylinder 9, a six-time indexing servo motor 11 is arranged on one side of the U-shaped frame at the lower end of the welding head lifting cylinder 8 through a connecting plate, a rotary positioning servo motor 12 is arranged at a position which is 90 degrees with the six-time indexing servo motor 11, an adjusting machine seat 16 is arranged on the left side above a workbench 2, an upper welding electrode bracket 17 is arranged on the adjusting machine seat 16, a welding electrode lifting cylinder 18 is arranged at the upper end of the upper welding electrode bracket 17, an upper welding electrode 19 is arranged at the lower end of the welding electrode lifting cylinder 18 through an upper electrode seat, a lower welding electrode bracket 20 is also arranged on the left side above the workbench 2, the lower welding electrode bracket 20 is provided with a lower welding electrode 21 through a lower electrode seat, the upper welding electrode bracket 17 is also connected with a welding transformer 23 through a conductive belt 22, the left side of the lower welding electrode 21 on the adjusting seat 16 is provided with an auxiliary electrode feed bin 24, the upper end of the auxiliary electrode feed bin 24 is provided with an auxiliary electrode lifting cylinder 25, the auxiliary electrode feed bin 24 is provided with an auxiliary electrode trough with the bottom communicated with a strip-shaped groove at the upper part of the lower welding electrode 21, one side of the adjusting seat 16 is provided with an auxiliary electrode feeding and withdrawing cylinder 26 and a feeding push rod 27 connected with a cylinder rod of the auxiliary electrode feeding and withdrawing cylinder 26 through a feeding bracket, the feeding push rod 27 is inserted into the strip-shaped groove at the upper part of the lower welding electrode 21, the left side of the frame 1 is provided with an auxiliary electrode conveying device 28, the front side of the frame 1 is provided with a stator housing feeding conveying device 29, a stator workpiece grabbing and transferring mechanism 30 and a workpiece positioning mechanism 31 corresponding to the stator workpiece grabbing and transferring mechanism 30 and used for positioning a U-shaped opening of the stator housing are installed on the workbench 2, a control box 32 is installed below the workbench 2, a control system 33 consisting of a pneumatic control system and an electric control system is installed in the control box 32, a casing blanking conveying device 34 is installed on the rear side of the frame 1, and the casing blanking conveying device 34 comprises a blanking motor 35 and a blanking conveying belt 36.

As shown in fig. 4 to 6, the auxiliary electrode conveying device comprises an auxiliary electrode conveying device frame 28-1, a square table top 28-2 arranged at the top of the auxiliary electrode conveying device frame 28-1, a vibration feeding tray 28-8 arranged at the left side of the table top 28-2, wherein the vibration feeding tray 28-8 is a feeding device purchased in the market and used for automatic directional sequencing, the vibration feeding tray 28-8 comprises a spiral discharging track 28-8-1, the spiral discharging track 28-8-1 is improved, wherein the inlet of the spiral discharging track 28-8-1 is 6mm, the outlet is 3mm, the width of the inlet from the outlet to the inlet is gradually narrowed, a section of L-shaped track is arranged at the middle part of the spiral discharging track 28-8-1, the outlet of the spiral discharging track 28-8-1 of the vibration feeding disc 28-8 is welded with a first material channel 28-9, the first material channel 28-9 is processed with a first linear material groove 28-9-1, the right side of the table top 2 is connected with a first base 28-3 made of a section of square tube through a screw, the right side of the first base 28-3 is connected with a second base 28-4 made of angle steel and rib plates through a screw, the first base 28-3 is connected with a first linear feeder 28-7 through a screw, the second base 28-4 is connected with a second linear feeder 28-5 through a screw, the types of the first linear feeder 28-7 and the second linear feeder 28-5 are the same and can be interchanged, a second material channel 28-6 is connected to the upper surfaces of the first linear feeder 28-7 and the second linear feeder 28-5 by bolts, a second linear material channel 28-6-1 is processed on the second material channel 28-6, the second linear material channel 28-6-1 on the second material channel 28-6 corresponds to the first linear material channel 28-9-1 on the first material channel 28-9, and a mounting gap 28-10 for preventing resonance is reserved between the first material channel 28-9 and the second material channel 28-6; when the automatic feeding device is used, auxiliary poles are arranged in a hopper of the vibration feeding tray 28-8, after the automatic feeding vibration tray 28-8 is started, in the vibration state of the automatic feeding vibration tray 28-8, the auxiliary poles with the width of 6mm and the thickness of 2mm are sequentially arranged in the same direction and accurately conveyed to an outlet of the spiral feeding rail 28-8-1 when one side of each salient point is outwards in the advancing process, the salient point side of each auxiliary pole can continuously pass through and advance on the spiral feeding rail 28-8-1, the salient point side of each auxiliary pole inwards falls into the vibration tray due to the gravity center, and is vibrated again to the spiral feeding rail 28-8-1, the auxiliary poles gradually stand up after passing through a section of L-shaped rail arranged in the middle of the spiral feeding rail 28-8-1, the salient points are sequentially arranged in an orderly manner, so that 2 salient welding points of all auxiliary pole substrate end faces are accurately conveyed to the outlet of the spiral feeding rail 28-8-1 in the same direction, then are led to a first linear trough 28-9-1 on the first linear trough 28-9 on the first linear feeding vibration tray 28-8, the auxiliary poles are automatically vibrated again to the first linear trough 28-1 and then enter the first linear trough 28-6-28 through the first linear trough 28-6-5 of the first linear feeder and the second linear trough 28-1;

As shown in fig. 7 and 8, the stator housing feeding and conveying device 29 comprises a housing conveying device frame 29-1, a feeding motor 29-2 is installed on a column of the housing conveying device frame 29-1, a feeding conveyor belt 29-3 is installed at the upper end of the stator housing conveying device frame 29-1, baffles 29-4 are installed on the left side and the right side of the upper surface of the feeding conveyor belt 29-3, the baffles 29-4 are supported by supporting shafts installed in a plurality of supporting blocks installed on the left side and the right side of the top end of the housing conveying device frame 29-1, a spring presser foot 29-7 for positioning the stator housing 34 is hinged on the housing conveying device frame 29-1 at the outlet of the baffles 29-4, and a feeding cylinder 29-5 and a photoelectric switch 29-6 are also installed on the housing conveying device frame 29-1;

as shown in fig. 9 and 10, the workpiece grabbing and transferring mechanism 30 comprises a grabbing and transferring mechanism platform connecting plate 30-7, the grabbing and transferring mechanism platform connecting plate 30-7 is provided with 2 right-angle sides, a feeding lifting cylinder 30-6 is fixedly connected to the outer side of the vertical right-angle side of the grabbing and transferring mechanism platform connecting plate 30-7 through a fourth screw 30-11, a rotating cylinder 30-4 is connected to the upper surface of the feeding lifting cylinder 30-6 through a transition plate 30-5, the rotating cylinder 30-4 is connected to the transition plate 30-5 through a sixth screw 30-13, a swinging arm 30-3 capable of rotating by 180 degrees is connected to the upper surface of a rotating platform of the rotating cylinder 30-4 through a third screw 30-10, a workpiece grabbing cylinder 30-2 is connected to the left end of the swinging arm 30-3 through a fifth screw 30-12, the workpiece grabbing cylinder 30-2 comprises a pin shaft 30-2-1 and a cylinder 30-2-2 hinged through a pin shaft 30-2-1, a claw 1 is connected to the cylinder claw 30-2-2 through a second screw 30-9 in an extending manner, and a claw 1 is connected to the outer surface of a lining claw 2-1 through a stator, and a claw 1 is prevented from being scratched by the outer surface of the claw 2 is formed by the claw 1;

As shown in fig. 11 and 12, the workpiece positioning mechanism 31 comprises a positioning mechanism lifting cylinder 31-1, a U-shaped positioning mechanism linear guide rail bracket 31-17 is arranged on the positioning mechanism lifting cylinder 31-1, positioning mechanism machine table connecting plates 31-12 are symmetrically arranged on the left side and the right side of the U-shaped positioning mechanism linear guide rail bracket 31-17, a through hole is processed at the bottom of the U-shaped linear guide rail bracket 31-17, a piston rod of the positioning mechanism lifting cylinder 31-1 passes through the through hole, a motor base 31-2 is fixedly connected on a tray at the upper end of the piston rod, positioning mechanism linear guide rails 31-3 are symmetrically arranged on the left side and the right side of the motor base 31-2, the motor seat 31-2 is fixedly connected with a slide block of a linear guide rail 31-3 of a positioning mechanism, a workpiece positioning stepping motor 31-5 is arranged in the motor seat 31-2, an angle adjusting plate 31-4 is arranged on the motor seat 31-2, the angle adjusting plate 31-4 comprises a disc 31-4-1 and a handle 31-4-2 integrated with the disc 31-4-1, 4 uniformly distributed arc holes 31-4-3 are processed on the disc 31-4-1, an adjusting screw 31-4 is arranged in each arc hole 31-4-3, when the angle adjusting plate 31-4 reaches a set angle through the handle 31-4-2 in use, the angle adjusting plate 31-4 is locked and fixed with the motor seat 31-2 through the adjusting screw 31-4-4, an auxiliary positioning cylinder 31-6 is arranged on a handle 31-4-2 of an angle adjusting plate 31-4, a probe bracket 31-7 is arranged on a sliding block of the auxiliary positioning cylinder 31-6, a detection probe 31-8 is arranged at the upper end of the probe bracket 31-7, a through hole is formed in the center of a disc 31-4-1 of the angle adjusting plate 31-4, a motor shaft of a workpiece positioning stepping motor 31-5 passes through the through hole, a motor shaft of the workpiece positioning stepping motor 31-5 is connected with a stator shell tray 31-10 through a connecting block 31-9, 4 positioning pins 31-11 are uniformly distributed on the stator shell tray 31-10, the stator shell tray 31-10 is fixedly connected with the connecting block 31-9 through a seventh screw 31-13, the angle adjusting plate 31-4 is fixedly connected with a motor base 31-2 through an eighth screw 31-14 after adjusting the angle, a machine table 31-12 is fixedly connected with a U-shaped linear guide rail bracket 31-17 through a ninth screw 31-15, and a machine table connecting plate 31-12 is connected with a screw hole for connection when being processed;

As shown in fig. 13, the control system comprises a main controller 33.1, the main controller 33.1 is connected with an upper computer 33.2 in a bidirectional manner through a communication cable, the main controller 33.1 is connected with a touch screen 33.3 in a bidirectional manner through a communication cable, the upper computer 33.2 is connected with the touch screen 33.3 in a bidirectional manner through a communication cable, the main controller 33.1 is also connected with a welding controller 33.4 in a bidirectional manner through a wire, the main controller 33.1 is respectively connected with a first power supply circuit 33.5 and a second power supply circuit 33.6 through a wire, the first power supply circuit 33.5 is respectively connected with a feeding motor 29-2, a feeding solenoid valve 33.9, a workpiece grabbing solenoid valve 33.11, a feeding lifting solenoid valve 33.13, a rotary solenoid valve 33.15, an auxiliary positioning solenoid valve 33.17, a positioning device lifting solenoid valve 33.19, a welding head solenoid valve 33.21, a lifting solenoid valve 33.23, a vibration feeding disc controller 33.25, a linear feeding controller 33.27, an auxiliary lifting solenoid valve 33.29, an auxiliary advancing and advancing solenoid valve 33.31, a welding electrode lifting solenoid valve 33.35, a longitudinal beam 33, a moving motor 35 and a discharging solenoid valve 33.35, the feeding motor 29-2 is connected with the feeding conveyor belt 29-3, the feeding electromagnetic valve 33.9 is connected with the feeding cylinder 29-5, the workpiece grabbing electromagnetic valve 33.11 is connected with the workpiece grabbing cylinder 30-2, the feeding lifting electromagnetic valve 33.13 is connected with the feeding lifting cylinder 30-6, the rotating electromagnetic valve 33.15 is connected with the rotating cylinder 30-4, the auxiliary positioning electromagnetic valve 33.17 is connected with the auxiliary positioning cylinder 31-6, the positioning device lifting electromagnetic valve 33.19 is connected with the positioning mechanism lifting cylinder 30-1, the welding head clamping jaw electromagnetic valve 33.21 is connected with the welding head clamping jaw cylinder 9, the welding head lifting electromagnetic valve 33.23 is connected with the welding head lifting cylinder 8, the vibration feeding tray controller 33.25 is connected with the vibration feeding tray 28-8, the linear feeding controller 33.27 is connected with the linear feeder 28-7, the auxiliary electrode lifting solenoid valve 33.29 is connected with the auxiliary electrode lifting cylinder 25, the auxiliary electrode advancing and retreating solenoid valve 33.31 is connected with the auxiliary electrode advancing and retreating cylinder 26, the welding electrode lifting solenoid valve 33.33 is connected with the welding electrode lifting cylinder 18, the longitudinal beam moving solenoid valve 33.35 is connected with the longitudinal beam moving cylinder 33.36, the blanking motor 35 is connected with the blanking conveyor belt 36, wherein the first photoelectric detector 33.39 is arranged on the feeding conveyor belt 29-3, the second photoelectric detector 33.40 is arranged on the feeding cylinder 29-5, the third photoelectric detector 33.41 and the fourth photoelectric detector 33.42 are arranged on the grabbing cylinder 30-2, a fifth photo detector 33.43 and a sixth photo detector 33.44 are installed on the feeding elevating cylinder 30-6, a seventh photo detector 33.45 and an eighth photo detector 33.46 are installed on the rotating cylinder 30-4, a ninth photo detector 33.47 and a tenth photo detector 33.48 are installed on the auxiliary positioning cylinder 31-6, an eleventh photo detector 33.49 is installed on the positioning mechanism elevating cylinder 30-1, a twelfth photo detector 33.50 is installed on the welding head elevating cylinder 8, a thirteenth photo detector 33.51 is installed on the auxiliary electrode elevating cylinder 25, a fourteenth photo detector 33.52 is installed on the auxiliary electrode advancing and retracting cylinder 33.26, a fifteenth photo detector 33.53 is installed on the welding electrode elevating cylinder 18, a sixteenth photo detector 33.54 and a seventeenth photo detector 33.55 are installed on the longitudinal beam moving cylinder 33.36, the first to seventeenth photodetectors 33.39 to 33.55 are respectively connected with the main controller 33.1; the second power supply circuit 33.6 is respectively connected with a nut step driver 33.56, a workpiece positioning step driver 33.58, a rotary positioning step driver 33.60 and a six-time indexing step driver 33.62, wherein the nut step driver 33.56 is connected with the nut step motor 13, the workpiece positioning step driver 33.58 is connected with the workpiece positioning step motor 31-5, the rotary positioning step driver 33.60 is connected with the rotary positioning step motor 12, the six-time indexing step driver 33.62 is connected with the six-time indexing step motor 11, an eighteenth photoelectric detector 33.64 is mounted on the nut step motor 13, a nineteenth photoelectric detector 33.65 is mounted on the workpiece positioning step motor 31-5, a twentieth photoelectric detector 33.66 is mounted on the rotary positioning step motor 12, a twentieth photoelectric detector 33.67 is mounted on the six-time indexing step motor 11, and the eighteenth photoelectric detectors 33.64 to the twenty-first photoelectric detector 33.67 are respectively connected with the main controller 33.1.

When the automatic positioning device works, the nut stepper motor 13, the workpiece positioning stepper motor 31-5, the rotary positioning servo motor 12 and the six-time indexing servo motor 11 perform initial point finding action firstly, the main controller 33.1 sends a signal to the nut stepper motor driver 33.56, the nut stepper motor driver 33.56 drives the nut stepper motor 13 to perform initial point returning action, when the eighteenth photoelectric detector 33.64 detects the signal, the signal is fed back to the main controller 33.1, the main controller 33.1 sends a signal to the workpiece positioning stepper motor driver 33.58 again, the workpiece positioning stepper motor driver 33.58 drives the workpiece positioning stepper motor 31-5 to perform initial point returning action, when the nineteenth photoelectric detector 33.65 detects the signal, the signal is fed back to the main controller 33.1, the main controller 33.1 sends a signal to the rotary positioning servo driver 33.60 again, the rotary positioning servo motor 33.60 drives the rotary positioning servo motor 12 to perform initial point returning action, when the twentieth photoelectric detector 33.66 detects the signal, the signal is fed back to the main controller 33.1, the main controller 33.1 sends a signal to the sub-indexing motor driver 33.62 again, and when the nineteenth photoelectric detector 33.62 detects the signal is fed back to the six-time indexing motor driver 33.62 detects the signal to the workpiece positioning stepper motor 11, and the six-time indexing servo motor 11 detects the signal is fed back to the initial point for the six-positioning servo motor 1; subsequently, the feeding motor 29-2 drives the feeding conveyor 29-3 to convey the stator housing, when the first photodetector 33.39 mounted on the feeding conveyor 29-3 detects a signal, the signal is fed back to the main controller 33.1, the main controller 33.1 sends a signal to control the feeding solenoid valve 33.9 to act, the feeding cylinder 29-5 advances the workpiece, at this time, the second photodetector 33.40 detects the signal and feeds back to the main controller 33.1, the main controller 33.1 sends a signal to control the workpiece grabbing solenoid valve 33.11 to act, the workpiece grabbing cylinder 30-2 grabs, the third photodetector 33.41 detects the signal and feeds back to the main controller 33.1, the main controller 33.1 sends a signal to control the feeding lifting solenoid valve 33.13 to act, the feeding lifting cylinder 30-6 rises, the fifth photodetector 33.43 detects the signal and feeds back to the main controller 33.1, the main controller 33.1 sends a signal to control the rotary solenoid valve 33.15 to act, the rotary air cylinder 30-4 drives the workpiece to rotate, the seventh photoelectric detector 33.45 detects a signal and feeds the signal back to the main controller 33.1, the main controller 33.1 sends a signal to control the lifting electromagnetic valve 33.19 of the positioning mechanism to act, the lifting air cylinder 30-1 of the positioning mechanism descends, the sixth photoelectric detector 33.44 detects a signal and feeds the signal back to the main controller 33.1, the main controller 33.1 sends a signal to control the grabbing electromagnetic valve 33.11 to act, the grabbing air cylinder 30-2 loosens, the fourth photoelectric detector 33.42 detects a signal and feeds the signal back to the main controller 33.1, the main controller 33.1 sends a signal to control the rotary electromagnetic valve 33.15 to act, the rotary air cylinder 30-4 carries out rotary action, the eighth photoelectric detector 33.46 detects a signal and feeds the signal back to the main controller 33.1, the main controller 33.1 sends a signal to control the auxiliary positioning electromagnetic valve 33.17 to act, the auxiliary positioning air cylinder 31-6 advances, the ninth photodetector 33.47 detects a signal and feeds back to the main controller 33.1, the main controller sends a signal to the workpiece positioning stepper motor driver 33.58, the workpiece positioning stepper motor driver 33.58 controls the workpiece positioning stepper motor 31-5 to act, the workpiece positioning stepper motor 31-5 drives the workpiece to perform a rotational positioning action, when the nineteenth photodetector 33.65 detects a signal and feeds back to the main controller 33.1, the main controller 33.1 sends a signal to control the auxiliary positioning solenoid valve 33.17 to act, the auxiliary positioning cylinder 31-6 retreats, the tenth photodetector 33.48 detects a signal and feeds back to the main controller 33.1, the main controller 33.1 sends a signal to the nut stepper motor driver 33.56, the nut stepper motor driver 33.56 drives the nut stepper motor 13 to move to the grabbing position, the main controller 33.1 sends a signal to control the positioning mechanism lifting solenoid valve 33.19 to act, the lifting cylinder 30-1 of the positioning mechanism drives to lift, the eleventh photoelectric detector 33.49 detects a signal and feeds the signal back to the main controller 33.1, the main controller 33.1 sends a signal to control the electromagnetic valve 33.21 of the welding head clamping jaw to act, the welding head clamping jaw cylinder 9 clamps a workpiece, after a short delay is arranged in the main controller 33.1, the main controller 33.1 sends a signal to control the lifting electromagnetic valve 33.19 of the positioning mechanism to act, the lifting cylinder 30-1 of the positioning mechanism descends, after a short delay is arranged in the main controller 33.1, the main controller 33.1 sends a signal to the rotary positioning servo driver 33.60, the rotary positioning servo driver 33.60 drives the rotary positioning servo motor 12 to act for rotary positioning, after the main controller 33.1 judges that the rotary positioning is finished, the main controller sends a signal to the screw stepping motor driver 33.56, the screw stepping motor driver 33.56 drives the screw stepping motor 13 to shift to a welding point, after the main controller 33.1 determines that the nut stepper motor 13 has been shifted to the welding point, a signal is sent to control the longitudinal beam moving electromagnetic valve 33.35 to act, the sixteenth photoelectric detector 33.54 detects a signal and feeds back to the main controller 33.1, the main controller 33.1 sends a signal to control the auxiliary electrode lifting electromagnetic valve 33.29 to act, the auxiliary electrode lifting cylinder 25 ascends, the thirteenth photoelectric detector 33.51 detects a signal and feeds back to the main controller 33.1, the main controller 33.1 sends a signal to control the auxiliary electrode advancing and retreating electromagnetic valve 33.31 to act, the auxiliary electrode advancing and retreating cylinder 26 advances to push the auxiliary electrode to be sent to the welding groove, the fourteenth photoelectric detector 33.52 sends a signal and feeds back to the main controller 33.1, the main controller 33.1 sends a signal to control the welding head lifting electromagnetic valve 33.23 to act, the welding head lifting cylinder 8 descends, the twelfth photoelectric detector 33.50 detects a signal and feeds back to the main controller 33.1, the main controller 33.1 sends a signal to control the welding electrode lifting electromagnetic valve 33.33 to act, the welding electrode lifting cylinder 18 descends, the fifteenth photoelectric detector 33.53 detects signals and feeds the signals back to the main controller 33.1, the main controller 33.1 controls the auxiliary electrode advancing and retreating electromagnetic valve 33.31 to act, the auxiliary electrode advancing and retreating cylinder 26 retreats, the main controller 33.1 sends signals to control the auxiliary electrode lifting electromagnetic valve 33.29 to act after a short time delay, the auxiliary electrode lifting cylinder 25 descends, the main controller 33.1 sends welding signals to the welding controller 33.4 to perform welding actions, the feedback signals are fed back to the main controller 33.1 after the welding actions are finished, the main controller 33.1 sends signals to control the welding electrode lifting electromagnetic valve 33.33 to act, the welding electrode lifting cylinder 18 ascends, the main controller 33.1 internally carries out short time delay, the signals to control the welding head lifting electromagnetic valve 33.23 to act, the welding head lifting cylinder 8 ascends, the main controller 33.1 internally carries out short time delay, the signals are sent to the six-time indexing servo driver 33.62, after the master controller 33.1 internally judges that the six-time indexing servo motor 11 has been shifted to the next auxiliary electrode welding point, the welding operation is repeated until the sixth auxiliary electrode welding is completed, the master controller 33.1 sends a signal to the longitudinal beam moving electromagnetic valve 33.35, the longitudinal beam moving cylinder 33.36 operates, the seventeenth photoelectric detector 33.55 detects the signal and feeds back the signal to the master controller 33.1, the master controller 33.1 sends a signal to the nut stepper motor driver 33.56, the nut stepper motor driver 33.56 drives the nut stepper motor 13 to shift to the feeding point, the master controller 33.1 judges that the nut stepper motor 13 is shifted to the feeding point, then sends a signal to the rotary positioning servo driver 33.60, the rotary positioning servo driver 33.60 drives the rotary positioning servo motor 12 to perform rotary operation, the master controller 33.1 internally judges that the rotary positioning servo motor 12 is completely positioned, the welding head electromagnetic valve 33.21 is controlled to operate by the signal, the welding head clamping jaw 9 is loosened, the workpiece is fallen to the feeding clamp jaw 36, and the whole set of the feeding process is restarted after the feeding is started. In the above operation, the upper computer 33.2 is used for monitoring the main controller 33.1, and the touch screen 33.3 is used for displaying and modifying parameters of the main controller 33.1.

Claims (10)

1. An automatic welding production line for auxiliary poles of automobile starter stators comprises a main body frame (1), a workbench (2) and a control system (33), wherein a transverse linear guide rail (4) is arranged on the workbench (2), a longitudinal beam (5) is arranged on the transverse linear guide rail (4), a longitudinal linear guide rail (6) is arranged on the longitudinal beam (5), a screw (15) is fixedly connected between the 2 longitudinal linear guide rails (6), a ball screw (7) is arranged in the screw (15), a screw stepping motor (13) is arranged at the right end of the longitudinal beam (5), a welding head lifting cylinder (8) is arranged on the screw (15) on the ball screw (7) through a U-shaped frame, a welding head clamping jaw cylinder (9) is connected at the lower end of the welding head lifting cylinder (8), a workpiece chuck (10) is connected at the lower end of the welding head clamping jaw cylinder (9), a six-time indexing servo motor (11) is arranged on one side of the U-shaped frame at one side of the lower end of the welding head lifting cylinder (8) through a connecting plate, a rotary positioning servo motor (12) is arranged at a position which is 90 degrees with the six-time indexing servo motor (11), a welding head lifting cylinder (16) is arranged on the left side of the workbench (16) through an electrode (16), an upper welding electrode (19) is installed at the lower end of a welding electrode lifting cylinder (18) through an upper electrode seat, a lower welding electrode support (20) is also installed at the left side above a workbench (2), a lower welding electrode (21) is installed at the lower welding electrode support (20) through a lower electrode seat, a welding transformer (23) is also connected to the upper welding electrode support (17) through a conductive belt (22), an auxiliary electrode bin (24) is installed at the left side of the lower welding electrode (21) above an adjusting base (16), an auxiliary electrode lifting cylinder (25) is installed at the upper end of the auxiliary electrode bin (24), an auxiliary electrode feeding and withdrawing cylinder (26) and a feeding push rod (27) connected with a cylinder rod of the auxiliary electrode feeding and withdrawing cylinder (26) are installed at one side of the adjusting base (16) through a feeding support, and the welding electrode lifting and lifting device is characterized in that an auxiliary electrode conveying device (28) is installed at the left side of a main body frame (1), a stator housing feeding and conveying device (29) is installed at the front side of the main body frame (1), a workpiece gripping mechanism (30) is installed at the upper side of the adjusting base (16) corresponding to a workpiece gripping mechanism (30).

2. The automatic auxiliary pole welding production line for the automobile starter stator auxiliary pole according to claim 1, wherein the auxiliary pole conveying device (28) comprises an auxiliary pole conveying device frame (28-1), a table top (28-2) is arranged at the top of the auxiliary pole conveying device frame (28-1), a vibration feeding disc (28-8) is arranged on the left side of the table top (28-2), the vibration feeding disc (28-8) comprises a spiral discharging track (28-8-1), a first material channel (28-9) is welded at the outlet of the spiral discharging track (28-8-1) of the vibration feeding disc (28-8), a first straight line trough (28-9-1) is machined on the first material channel (28-9), a first base (28-3) is connected on the right side of the table top (28-2), a second material channel (28-6) is connected on the first base (28-3), a second material channel (28-6) is connected on the first straight line feeder (28-7), a second material channel (28-6) is machined on the second material channel (28-6-1), the second linear trough (28-6-1) on the second material channel (28-6) corresponds to the first linear trough (28-9-1) on the first material channel (28-9), a mounting gap (28-10) for preventing resonance is reserved between the first material channel (28-9) and the second material channel (28-6), the inlet width of the spiral discharging track (28-8-1) is 6mm, and the outlet width is 3mm.

3. The automatic welding production line for auxiliary poles of automobile starter stators according to claim 2 is characterized in that a second base (28-4) is connected to the right side of the first base (28-3) through screws, a second linear feeder (28-5) is connected to the second base (28-4), a second material channel (28-6) is connected to the second linear feeder (28-5), and a second linear material channel (28-6-1) is processed on the second material channel (28-6).

4. The automatic welding production line for auxiliary poles of automobile starter stators according to claim 1, wherein the stator housing feeding conveying device (29) comprises a housing conveying device frame (29-1), a feeding motor (29-2) is installed on a column of the housing conveying device frame (29-1), a feeding conveyor belt (29-3) is installed at the upper end of the stator housing conveying device frame (29-1), baffles (29-4) are installed on the left side and the right side above the feeding conveyor belt (29-3), the baffles (29-4) are supported by supporting shafts installed in a plurality of supporting blocks installed on the left side and the right side of the top end of the housing conveying device frame (29-1), a spring presser foot (29-7) for positioning a stator housing is hinged on the housing conveying device frame (29-1) at the outlet position of the baffles (29-4), a feeding cylinder (29-5) and a photoelectric switch (29-6) are also installed on the housing conveying device frame (29-1), and a housing conveying device (34) comprising a blanking motor (35) and a blanking conveyor belt (36) is also installed on the rear side of the main body frame (1).

5. The automatic welding production line for auxiliary poles of automobile starter stators according to claim 1, wherein the workpiece grabbing and transferring mechanism (30) comprises a grabbing and transferring mechanism platform connecting plate (30-7), a feeding lifting cylinder (30-6) is fixedly connected to the grabbing and transferring mechanism platform connecting plate (30-7), a rotating cylinder (30-4) is connected to the feeding lifting cylinder (30-6), a swinging arm (30-3) capable of rotating by 180 degrees is connected to the rotating table of the rotating cylinder (30-4), and a workpiece grabbing cylinder (30-2) is connected to the left end of the swinging arm (30-3).

6. The automatic welding production line for auxiliary poles of automobile starter stators according to claim 5, wherein the grabbing and transferring mechanism platform connecting plate (30-7) is provided with 2 right-angle sides, a feeding lifting cylinder (30-6) is fixedly connected to the outer side of the vertical right-angle side of the grabbing and transferring mechanism platform connecting plate (30-7), and a rotating cylinder (30-4) is connected to the upper surface of the feeding lifting cylinder (30-6) through a transition plate (30-5).

7. The automatic welding line for auxiliary poles of automobile starter stators according to claim 5, wherein the workpiece grabbing cylinder (30-2) comprises a pin shaft (30-2-1) and a cylinder clamping jaw (30-2-2) hinged through the pin shaft (30-2-1), and the cylinder clamping jaw (30-2-2) is connected with a workpiece clamping jaw (30-1) formed by a Z-shaped extension claw (30-1-1) and a claw liner (30-1-2) made of polyurethane materials.

8. The automatic welding production line for auxiliary poles of automobile starter stators according to claim 1, wherein the workpiece positioning mechanism (31) comprises a positioning mechanism lifting cylinder (31-1), a U-shaped positioning mechanism linear guide bracket (31-17) is arranged on the positioning mechanism lifting cylinder (31-1), positioning mechanism machine connecting plates (31-12) are symmetrically arranged on the left side and the right side of the U-shaped positioning mechanism linear guide bracket (31-17), a motor base (31-2) is fixedly connected to a tray at the upper end of a piston rod of the positioning mechanism lifting cylinder (31-1), positioning mechanism linear guide (31-3) is symmetrically arranged on the left side and the right side of the motor base (31-2), a workpiece positioning stepping motor (31-5) is arranged in the motor base (31-2), an angle adjusting plate (31-4) is arranged on the motor base (31-2), an auxiliary positioning cylinder (31-6) is arranged on the upper surface of the angle adjusting plate (31-4), a probe (7) is arranged on a slide block of the auxiliary positioning cylinder (31-6), a probe (31-8) is arranged on the probe (31-8), a motor shaft of a workpiece positioning stepping motor (31-5) is connected with a stator shell tray (31-10) through a connecting block (31-9), and 4 positioning pins (31-11) are uniformly distributed on the stator shell tray (31-10).

9. The automatic welding production line for auxiliary poles of automobile starter stators according to claim 8, wherein the angle adjusting plate (31-4) comprises a disc (31-4-1) and a handle (31-4-2) integrated with the disc (31-4-1), 4 uniformly distributed arc holes (31-4-3) are formed in the disc (31-4-1), adjusting screws (31-4-4) are arranged in each arc hole (31-4-3), and when the automatic welding production line is used, the angle adjusting plate (31-4) is manually adjusted to reach a set angle through the handle (31-4-2), the angle adjusting plate (31-4) is locked and fixed with the motor base (31-2) through the adjusting screws (31-4-4), and auxiliary positioning cylinders (31-6) are arranged on the handle (31-4-2) of the angle adjusting plate (31-4).

10. The automatic auxiliary pole welding production line for automobile starter stators according to claim 4 is characterized in that the control system (33) comprises a main controller (33.1), the main controller (33.1) is connected with an upper computer (33.2) in a bidirectional manner through a communication cable, the main controller (33.1) is connected with a touch screen (33.3) in a bidirectional manner through a communication cable, the upper computer (33.2) is connected with the touch screen (33.3) in a bidirectional manner through a communication cable, the main controller (33.1) is also connected with a welding controller (33.4) in a bidirectional manner through a wire, the main controller (33.1) is respectively connected with a first power supply circuit (33.5) and a second power supply circuit (33.6) through a wire, the first power supply circuit (33.5) is respectively connected with a feeding motor (29-2), a feeding electromagnetic valve (33.9), a feeding electromagnetic valve (33.11), a feeding lifting electromagnetic valve (33.13), a rotating electromagnetic valve (33.15), an auxiliary positioning electromagnetic valve (33.17), a positioning device lifting electromagnetic valve (33.19), a welding head (welding head) 3), a lifting electromagnetic valve (29.27), a feeding electromagnetic valve (33.35, a linear electromagnetic valve (35-lifting electromagnetic valve (33.35) and a linear electromagnetic valve (33.35) are respectively connected with the feeding electromagnetic valve (33.35-35, a lifting electromagnetic valve (35) in a linear electromagnetic valve lifting electrode driving device, the feeding electromagnetic valve (33.9) is connected with the feeding cylinder (29-5), the feeding grabbing electromagnetic valve (33.11) is connected with the workpiece grabbing cylinder (30-2), the feeding lifting electromagnetic valve (33.13) is connected with the feeding lifting cylinder (30-6), the rotating electromagnetic valve (33.15) is connected with the rotating cylinder (30-4), the auxiliary positioning electromagnetic valve (33.17) is connected with the auxiliary positioning cylinder (31-6), the positioning device lifting electromagnetic valve (33.19) is connected with the positioning mechanism lifting cylinder (31-1), the welding head clamping jaw electromagnetic valve (33.21) is connected with the welding head clamping jaw cylinder (9), the welding head lifting electromagnetic valve (33.23) is connected with the welding head lifting cylinder (8), the vibration feeding disc controller (33.25) is connected with the vibration feeding disc (28-8), the linear feeding controller (33.27) is connected with the first linear feeder (28-7), the auxiliary electrode lifting electromagnetic valve (33.29) is connected with the auxiliary electrode lifting cylinder (25), the auxiliary electrode lifting electromagnetic valve (33.31) is connected with the welding electrode lifting electromagnetic valve (33.35, the welding electrode lifting electromagnetic valve (33.35) is connected with the welding electrode lifting cylinder (33.35), wherein a first photodetector (33.39) is mounted on the feeding conveyor belt (29-3), a second photodetector (33.40) is mounted on the feeding cylinder (29-5), a third photodetector (33.41) and a fourth photodetector (33.42) are mounted on the work gripping cylinder (30-2), a fifth photodetector (33.43) and a sixth photodetector (33.44) are mounted on the feeding lifting cylinder (30-6), a seventh photodetector (33.45) and an eighth photodetector (33.46) are mounted on the rotating cylinder (30-4), a ninth photodetector (33.47) and a tenth photodetector (33.48) are mounted on the positioning mechanism lifting cylinder (31-1), a twelfth photodetector (33.50) is mounted on the welding head lifting cylinder (8), a thirteenth photodetector (33.33.33) and a thirteenth photodetector (33.33) are mounted on the auxiliary positioning mechanism lifting cylinder (31-6), and a seventeenth photodetector (33.33.33) is mounted on the auxiliary lifting cylinder (33.33.33), the first to seventeenth photodetectors (33.39) to (33.55) are respectively connected with the main controller (33.1); the second power supply circuit (33.6) is respectively connected with a nut stepping driver (33.56), a workpiece positioning stepping driver (33.58), a rotary positioning servo driver (33.60) and a sixth indexing servo driver (33.62), wherein the nut stepping driver (33.56) is connected with a nut stepping motor (13), the workpiece positioning stepping driver (33.58) is connected with a workpiece positioning stepping motor (31-5), the rotary positioning servo driver (33.60) is connected with a rotary positioning servo motor (12), the sixth indexing servo driver (33.62) is connected with a sixth indexing servo motor (11), an eighteenth photoelectric detector (33.64) is mounted on the nut stepping motor (13), a twentieth photoelectric detector (33.66) is mounted on the rotary positioning servo motor (12), a twentieth photoelectric detector (5667) is mounted on the sixth servo motor (11), and the eighteenth photoelectric detector (33.67) is connected with the twenty-first photoelectric detector (33.67) to the twenty-first main control motor (33.67).