CN215698269U

CN215698269U - Rotor core robot machining production line

Info

Publication number: CN215698269U
Application number: CN202122172509.2U
Authority: CN
Inventors: 朱海宾; 宋剑; 温英进; 黎衍康
Original assignee: Zhejiang Liyang Weiya Intelligent Equipment Co ltd
Current assignee: Zhejiang Liyang Weiya Intelligent Equipment Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-02-01
Anticipated expiration: 2031-09-09

Abstract

The utility model relates to a rotor core robot processing production line which comprises a numerical control lathe, a first numerical control milling machine, a second numerical control milling machine and a third numerical control milling machine which are sequentially arranged along a processing flow, and further comprises a transfer table arranged between the first numerical control milling machine and the second numerical control milling machine, a first material moving robot arranged between the numerical control lathe and the first numerical control milling machine and matched with the numerical control lathe and the first numerical control milling machine, and a second material moving robot arranged between the second numerical control milling machine and the third numerical control milling machine and matched with the second numerical control milling machine and the third numerical control milling machine; the utility model realizes the automatic positioning of the rotor core so as to accurately and quickly adjust the position of the rotor core; meanwhile, the air tightness detection mechanism is combined into the fixing device, so that the operation process is greatly simplified, the working efficiency is improved, and the labor intensity is reduced to achieve the effects of saving time and labor.

Description

Rotor core robot machining production line

Technical Field

The utility model relates to a robot processing production line for a rotor core.

Background

The rotor is a main part rotating at high speed in power machinery or working machinery such as a motor, a generator, a gas turbine, a turbine compressor and the like, and mainly comprises a rotor core, a rotor coil and a rotating shaft, wherein the rotor core is required to pass through a plurality of processing procedures before assembly, along with the rapid development of an automation technology, the processing procedures of the rotor core can be automatically completed in numerical control processing equipment, and automatic feeding, discharging and transferring of the rotor core are completed by means of a robot.

Because the piston hole on the rotor core has higher requirements on position precision during processing, the robot must align the orientation of the rotor core before clamping the rotor core, and can send the rotor core to the next procedure after the piston hole is processed and the air tightness detection is finished; the orientation of the existing rotor core is manually adjusted, but the orientation must be repeatedly calibrated by a measuring tool; in addition, because the air tightness detection needs to be carried out in an independent detection mechanism, the rotor core is required to be installed in the detection mechanism before being sent to the next procedure, and the rotor core is taken down and installed on a fixing device in the next procedure after being qualified, so that the operation process is extremely complicated, time and labor are wasted, the working efficiency is low, the labor intensity is high, and the improvement is to be further realized.

SUMMERY OF THE UTILITY MODEL

In view of the current situation of the prior art, the technical problem to be solved by the utility model is to provide a rotor core robot processing production line which greatly simplifies the operation process, improves the working efficiency, and reduces the labor intensity to achieve the time-saving and labor-saving effects.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a rotor core robot processing production line comprises a numerically controlled lathe, a first numerically controlled milling machine, a second numerically controlled milling machine and a third numerically controlled milling machine which are sequentially arranged along a processing flow, and further comprises a transfer table arranged between the first numerically controlled milling machine and the second numerically controlled milling machine, a first material moving robot arranged between the numerically controlled lathe and the first numerically controlled milling machine and matched with the numerically controlled lathe and the first numerically controlled milling machine, and a second material moving robot arranged between the second numerically controlled milling machine and the third numerically controlled milling machine and matched with the second numerically controlled milling machine and the third numerically controlled milling machine, and is characterized in that a positioning device is further arranged between the numerically controlled lathe and the first numerically controlled milling machine, and a fixing device is further arranged inside the second numerically controlled milling machine; the positioning device comprises a cabinet, a bedplate transversely fixed at the top of the cabinet, a motor fixed at the bottom of the bedplate and positioned in the cabinet, a tray sleeved and fixed on a rotating shaft of the motor, an actuating mechanism arranged at the top of the bedplate and matched with the actuating mechanism and a calibration assembly; the actuating mechanism comprises a first base, an air cylinder, a connecting seat and a conical head, wherein the first base is movably fixed at the top of the bedplate and positioned on the left side of the tray, the air cylinder is fixed at the top of the first base, the connecting seat is fixed on the telescopic end of the air cylinder, the conical head is fixed at the end part of the connecting seat, and the telescopic end of the air cylinder is transversely arranged rightwards; the calibration assembly comprises a rail seat fixed on the top of the bedplate and positioned in the right front of the pallet, a seat block which is movable on the top of the rail seat and can slide transversely, an upright post vertically fixed on the top of the seat block, a clamping block detachably fixed on the upright post, and a detector rotatably fixed on the clamping block; the fixing device comprises a bottom plate, a sliding table fixed on the right side of the top of the bottom plate, a transmission module fixed on the movable end of the sliding table, a power system fixed on the front side of the transmission module and capable of driving an output shaft of the transmission module to rotate, a chuck fixed on the output shaft of the transmission module, a second base detachably fixed on the chuck, and a hydraulic expansion sleeve arranged at the end part of the second base, wherein the hydraulic expansion sleeve comprises an expansion sleeve base concentrically fixed at the end part of the second base, an expansion sleeve main body concentrically arranged at the end part of the expansion sleeve base, an air-tight disc fixed at the end part of the expansion sleeve base and concentrically sleeved outside the expansion sleeve main body, and a second air inlet pipe transversely inserted and arranged in the transmission module, and the left end of the second air inlet pipe transversely penetrates through the chuck and is concentrically fixed at the right end of the expansion sleeve base; the top of bottom plate still is equipped with the tight subassembly in top.

Preferably, the tight subassembly in top includes that detachable fixes at the bottom plate top and can control the translation in order to adjust fixed position the tailstock, fix the guide holder at tailstock top, transversely alternate the setting in the guide holder and can control the ejector pin that slides, fix at the left cylinder body of guide holder, cover establish fix at the ejector pin right-hand member and lie in the guide holder right side draw the cover and the rotatable pressure disk of fixing at the right-hand member of drawing the cover, the left side of the bloated cover main part is located to the pressure disk with one heart.

Preferably, the right end of the air-tight disc is provided with a plurality of first counter bores which are uniformly distributed at equal angles along the circumferential direction, correspondingly, the outer circumferential surface of the air-tight disc and the left end of the air-tight disc are respectively provided with a second counter bore and a third counter bore which are the same in number, the inner ends of the plurality of second counter bores are respectively intersected and communicated with the inner walls of the plurality of first counter bores, and the inner ends of the plurality of third counter bores are respectively intersected and communicated with the inner walls of the plurality of second counter bores.

Preferably, a sinking cavity is formed in the center of the right end of the expansion sleeve base, a plurality of through holes which are uniformly distributed in the circumferential direction at equal angles are formed between the left end of the expansion sleeve base and the bottom surface of the sinking cavity, the number and the positions of the through holes are matched with those of the first counter bores respectively, the opening at the left end of each through hole is concentrically arranged with the opening of the corresponding first counter bore and is communicated with the opening of the corresponding first counter bore in a sealing mode, and the left end of the second air inlet pipe is inserted into the sinking cavity in a sealing mode.

Preferably, the tight subassembly in top still includes guide rail and L type support, the guide rail is transversely fixed in the rear side of guide holder, still the cover is equipped with a plurality of slider on the guide rail, the one end detachable of L type support is fixed and is pulled and sheathe in, the other end of L type support is fixed on a plurality of slider.

Preferably, the L-shaped bracket is further fixed with a trigger plate, correspondingly, the top of the guide seat is further fixed with two micro switches arranged left and right, and moving contacts of the micro switches are arranged backwards and are matched with the trigger plate.

Preferably, the top of the bedplate is further fixed with an air blowing block, the air blowing block is arranged at the rear right side of the tray, a plurality of air outlets are formed in the outer wall of the air blowing block, and openings of the air outlets are arranged towards the direction of the tray.

Preferably, the bottom of the air blowing block is provided with an air inlet, and the inner ends of the air outlet holes are intersected and communicated with the inner wall of the air inlet.

Compared with the prior art, the utility model has the advantages that: the utility model realizes the automatic positioning of the rotor core by means of the positioning device so as to accurately and quickly adjust the position of the rotor core; meanwhile, the air tightness detection mechanism is combined into the fixing device, so that the air tightness detection can be automatically carried out after the rotor core is installed on the fixing device, and the rotor core does not need to be frequently disassembled and assembled, thereby greatly simplifying the operation process, improving the working efficiency and reducing the labor intensity so as to achieve the effects of saving time and labor.

Drawings

FIG. 1 is a top view of the present invention;

FIG. 2 is a top view of the positioning device of the present invention;

FIG. 3 is a left front side structural view of the fixing device of the present invention

Fig. 4 is a left front side exploded view of the air seal disk, expansion sleeve base and air inlet tube of the present invention.

Detailed Description

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

To maintain the following description of the embodiments of the present invention clear and concise, a detailed description of known functions and known components of the utility model have been omitted.

As shown in fig. 1 to 4, a rotor core robot processing production line comprises a numerically controlled lathe 1, a first numerically controlled milling machine 2, a second numerically controlled milling machine 4 and a third numerically controlled milling machine 5 which are sequentially arranged along a processing flow, and further comprises a transfer table 9 arranged between the first numerically controlled milling machine 2 and the second numerically controlled milling machine 4, a first material moving robot 3 arranged between the numerically controlled lathe 1 and the first numerically controlled milling machine 2 and mutually matched with the numerically controlled lathe 1 and the first numerically controlled milling machine 2, and a second material moving robot 6 arranged between the second numerically controlled milling machine 4 and the third numerically controlled milling machine 5 and mutually matched with the second numerically controlled milling machine 4 and the third numerically controlled milling machine 5; the first material moving robot 3 grabs the rotor core blank and feeds the rotor core blank into the numerically controlled lathe 1 to machine the appearance of the rotor core, after the completion, the first material moving robot 3 takes out the rotor core from the numerically controlled lathe 1 and feeds the rotor core into the first numerically controlled milling machine 2 to machine the piston hole on the outer peripheral surface of the rotor core, and after the completion, the first material moving robot 3 takes out the rotor core from the first numerically controlled milling machine 2 and temporarily places the rotor core on the transfer table 9; then, the second material moving robot 6 grabs the rotor core from the transfer table 9 and feeds the rotor core into the second numerically controlled milling machine 4 to process other side holes on the outer peripheral surface of the rotor core, and finally, the second material moving robot 6 takes out the rotor core from the second numerically controlled milling machine 4 and feeds the rotor core into the third numerically controlled milling machine 5 to complete the rest of the drilling process, the above principles are the prior art, but the present invention is characterized in that: a positioning device 7 is further arranged between the numerically controlled lathe 1 and the first numerically controlled milling machine 2, and a fixing device 8 is further arranged inside the second numerically controlled milling machine 4.

The positioning device 7 comprises a cabinet 71, a platen 72 transversely fixed at the top of the cabinet 71, a motor 74 fixed at the bottom of the platen 72 and positioned in the cabinet 71, a tray 73 sleeved and fixed on a rotating shaft of the motor 74, an actuating mechanism 75 arranged at the top of the platen 72 and matched with the actuating mechanism and a calibration assembly 78; the rotating shaft of the motor 74 vertically penetrates through the bedplate 72 upwards and extends to the upper part of the bedplate 72, the tray 73 is arranged above the bedplate 72, the actuating mechanism 75 comprises a first base 751 movably fixed at the top of the bedplate 72 and positioned at the left side of the tray 73, a cylinder 752 fixed at the top of the first base 751, a connecting seat 753 fixed at the telescopic end of the cylinder 752 and a conical head 754 fixed at the end part of the connecting seat 753, and the telescopic end of the cylinder 752 is transversely arranged to the right; the alignment assembly 78 includes a rail mount 785 fixed to the top of the platen 72 and positioned in front of the tray 73 on the right, a block 781 movable on top of the rail mount 785 and slidable laterally, a post 782 fixed vertically on top of the block 781, a clamp block 783 detachably fixed to the post 782, and a detector 784 rotatably fixed to the clamp block 783.

The top center of the tray 73 is formed with a tapered seat 731 upward, and the bottom edge of the tray 73 is formed with a circumferentially disposed collar 732 outward.

The top of the bedplate 72 is further fixed with an air blowing block 76, the air blowing block 76 is arranged at the right rear side of the tray 73, a plurality of air outlet holes 761 are formed in the outer wall of the air blowing block 76, and the openings of the air outlet holes 761 are arranged towards the direction of the tray 73.

An air inlet hole 762 is formed in the bottom of the air blowing block 76, and the inner ends of the air outlet holes 761 are intersected and communicated with the inner wall of the air inlet hole 762.

The fixing device 8 comprises a bottom plate 81, a sliding table 820 fixed on the right side of the top of the bottom plate 81, a transmission module 82 fixed on the moving end of the sliding table 820, a power system 84 fixed on the front side of the transmission module 82 and capable of driving the output shaft of the transmission module 82 to rotate, a chuck 83 fixed on the output shaft of the transmission module 82, a second base 85 detachably fixed on the chuck 83, and a hydraulic expansion sleeve 86 arranged at the end of the second base 85, the hydraulic expansion sleeve 86 comprises an expansion sleeve base 862 concentrically fixed at the end of the second base 85, an expansion sleeve body 861 concentrically arranged at the end of the expansion sleeve base 862, an airtight disk 87 fixed at the end of the expansion sleeve base 862 and concentrically sleeved outside the expansion sleeve body 861, and a second air inlet pipe 88 transversely inserted and arranged in the transmission module 82, wherein the left end of the second air inlet pipe 88 transversely penetrates through the chuck 83 and is concentrically fixed at the right end of the expansion sleeve base 862; the top of bottom plate 81 still is equipped with the tight subassembly in top, the tight subassembly in top includes that detachable fixes at bottom plate 81 top and can control translation in order to adjust fixed position's tailstock 89, fix the guide holder 810 at tailstock 89 top, transversely alternate the ejector pin 811 that sets up in guide holder 810 and can control the slip, fix cylinder body 814 in the left of guide holder 810, the cover is established and is fixed at ejector pin 811 right-hand member and be located the traction cover 812 and the rotatable pressure disk 813 of fixing at the traction cover 812 right-hand member of guide holder 810, the left side of the cover main part 861 that expands is located to the pressure disk 813 heart.

The right end of the airtight disc 87 is provided with a plurality of first counter bores 871 which are uniformly distributed at equal angles along the circumferential direction, correspondingly, the outer circumferential surface of the airtight disc 87 and the left end of the airtight disc 87 are respectively provided with a second counter bore 872 and a third counter bore 873 which are the same in number, the inner ends of the plurality of second counter bores 872 are respectively intersected and communicated with the inner walls of the plurality of first counter bores 871, and the inner ends of the plurality of third counter bores 873 are respectively intersected and communicated with the inner walls of the plurality of second counter bores 872.

The center of the right end of the expansion sleeve base 862 is provided with a sunk cavity 8622, a plurality of through holes 8621 which are uniformly distributed along the circumferential direction at equal angles are arranged between the left end of the expansion sleeve base 862 and the bottom surface of the sunk cavity 8622, the number and the positions of the through holes 8621 are respectively matched with the number and the positions of the first counter bores 871, the opening of the left end of each through hole 8621 is concentrically arranged with the opening of one corresponding first counter bore 871 and mutually communicated in a sealing manner, and the left end of the second air inlet pipe 88 is inserted in the sunk cavity 8622 in a sealing manner.

The jacking assembly further comprises a guide rail 818 and an L-shaped bracket 815, the guide rail 818 is transversely fixed on the rear side of the guide seat 810, a plurality of sliding blocks 819 are further sleeved on the guide rail 818, one end of the L-shaped bracket 815 is detachably fixed on the traction sleeve 812, and the other end of the L-shaped bracket 815 is fixed on the sliding blocks 819.

A trigger plate 817 is further fixed on the L-shaped bracket 815, correspondingly, two microswitches 816 arranged left and right are further fixed on the top of the guide seat 810, and moving contacts of each microswitch 816 are arranged backwards and are matched with the trigger plate 817.

The using method comprises the following steps: the air inlet pipe is inserted into the opening of the air inlet hole 762 so that the pressure air enters the air inlet hole 762 through the air inlet pipe, and then blows out towards the direction of the tray 73 through the plurality of air outlet holes 761, and the motor 74 is started to rotate the rotating shaft of the motor, so that the tray 73 is driven to rotate, and therefore the scraps remained on the tray 73 are cleaned up.

After the first material moving robot 3 takes out the rotor core from the numerically controlled lathe 1, the rotor core 10 must be placed on the top of the tray 73 in the positioning device 7 from top to bottom and the conical seat 731 is inserted upwards into the lower end opening of the central hole 1001 on the rotor core 10 to complete centering, and then the detector 784 is started to work to emit laser for calibration to irradiate on the outer wall of the rotor core 10; the motor 74 is started to rotate the rotating shaft, so that the rotor core 10 is driven to rotate by the tray 73, and when the laser emitted by the detector 784 is aligned with the bottom center of one of the piston holes 1002, the motor 74 stops rotating.

Then the telescopic end of the cylinder 752 is driven to extend outwards, and the connecting seat 753 is used to drive the conical head 754 to extend rightwards until the conical head 754 is inserted into a corresponding piston hole 1002, so that the rotor core 10 is positioned and prevented from rotating; then, the external manipulator will be clamped on the outer wall of the rotor core 10 at a certain angle, and then drive the telescopic end of the cylinder 752 to contract inward to drive the conical head 754 to leave the piston hole 1002, and then the external manipulator takes the rotor core 10 upward and feeds the rotor core into the first numerically controlled milling machine 2 to process the piston hole 1002 on the outer peripheral surface of the rotor core 10; finally, the motor 74 is activated to rotate the tray 73, and the tray 73 is cleaned again with the pressurized gas by the blowing block 76, thereby forming a cycle.

The distance between the first base 751 and the tray 73 can be adjusted by using a movable fixing mode between the first base 751 and the bedplate 72, the distance between the detector 784 and the tray 73 can be adjusted by using a movable fixing mode between the seat block 781 and the rail seat 785, the height of the detector 784 can be adjusted by using a detachable fixing mode between the clamp block 783 and the upright post 782, and the angle of the detector 784 can be adjusted by using a rotatable fixing mode between the detector 784 and the clamp block 783.

After the second material moving robot 6 grabs the rotor core 10 from the middle rotating table 9, it must move the rotor core 10 into the second numerically controlled milling machine 4, and sleeve the rotor core 10 on the expansion sleeve body 861, so that the openings of the third counter bores 873 on the airtight disk 87 respectively correspond to the airtight holes on the right end of the rotor core 10, and then start the hydraulic expansion sleeve 86 to work, so that the expansion sleeve body 861 expands the central hole of the rotor core 10 to fix the rotor core 10 (prior art).

Then, the telescopic end of the driving cylinder 814 extends outwards, so as to drive the push rod 811 to move horizontally right along the inner wall of the guide seat 810 until the trigger plate 817 contacts a moving contact of the micro switch 816 on the right side, and the right end of the pressure plate 813 is just pressed against the left end of the rotor core 10, so that the right end of the rotor core 10 is tightly attached to the left end of the airtight plate 87, and the rotor core 10 is prevented from rotating relative to the airtight plate 87 and the pressure plate 813.

Then, the pressure gas enters the sinking chamber 8622 through the second gas inlet pipe 88, and then sequentially enters a plurality of airtight holes with the same number arranged on the right end of the rotor core 10 through the plurality of through holes 8621, the plurality of first counter bores 871, the plurality of second counter bores 872 and the plurality of third counter bores 873 to detect the airtightness of the rotor core 10.

If the airtightness detection is qualified, the lathe can process a side hole on the outer peripheral surface of the rotor core 10, and once one side hole is processed, the power system 84 can be started to work so as to drive the second base 85 to rotate by a certain angle by means of the transmission module 82, and further drive the rotor core 10, the airtight disc 87 and the pressure disc 813 to rotate by a certain angle together by means of the hydraulic expansion sleeve 86 so as to process the next side hole.

After the machining is completed, the telescopic end of the driving cylinder 814 contracts inwards, so that the ejector rod 811 is driven to move transversely leftwards along the inner wall of the guide seat 810, the pressure plate 813 is driven to move leftwards to be away from the left end of the rotor core 10 until the trigger plate 817 contacts the moving contact of one microswitch 816 on the left side, then the hydraulic expansion sleeve 86 is started to work, so that the expansion sleeve body 861 loosens the rotor core 10, and finally, the second material moving robot 6 takes down the rotor core 10 and feeds the rotor core into the third numerically controlled milling machine 5.

The utility model realizes the automatic positioning of the rotor core by means of the positioning device 7 so as to accurately and quickly adjust the position of the rotor core; meanwhile, the air tightness detection mechanism is combined into the fixing device 8, so that the air tightness detection can be automatically carried out after the rotor core is installed on the fixing device 8, and the rotor core does not need to be frequently disassembled and assembled, so that the operation process is greatly simplified, the working efficiency is improved, and the labor intensity is reduced to achieve the effects of saving time and labor.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in the embodiments and modifications thereof may be made, and equivalents may be substituted for elements thereof; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A rotor core robot processing production line comprises a numerically controlled lathe, a first numerically controlled milling machine, a second numerically controlled milling machine and a third numerically controlled milling machine which are sequentially arranged along a processing flow, and further comprises a transfer table arranged between the first numerically controlled milling machine and the second numerically controlled milling machine, a first material moving robot arranged between the numerically controlled lathe and the first numerically controlled milling machine and matched with the numerically controlled lathe and the first numerically controlled milling machine, and a second material moving robot arranged between the second numerically controlled milling machine and the third numerically controlled milling machine and matched with the second numerically controlled milling machine and the third numerically controlled milling machine, and is characterized in that a positioning device is further arranged between the numerically controlled lathe and the first numerically controlled milling machine, and a fixing device is further arranged inside the second numerically controlled milling machine; the positioning device comprises a cabinet, a bedplate transversely fixed at the top of the cabinet, a motor fixed at the bottom of the bedplate and positioned in the cabinet, a tray sleeved and fixed on a rotating shaft of the motor, an actuating mechanism arranged at the top of the bedplate and matched with the actuating mechanism and a calibration assembly; the actuating mechanism comprises a first base, an air cylinder, a connecting seat and a conical head, wherein the first base is movably fixed at the top of the bedplate and positioned on the left side of the tray, the air cylinder is fixed at the top of the first base, the connecting seat is fixed on the telescopic end of the air cylinder, the conical head is fixed at the end part of the connecting seat, and the telescopic end of the air cylinder is transversely arranged rightwards; the calibration assembly comprises a rail seat fixed on the top of the bedplate and positioned in the right front of the pallet, a seat block which is movable on the top of the rail seat and can slide transversely, an upright post vertically fixed on the top of the seat block, a clamping block detachably fixed on the upright post, and a detector rotatably fixed on the clamping block; the fixing device comprises a bottom plate, a sliding table fixed on the right side of the top of the bottom plate, a transmission module fixed on the movable end of the sliding table, a power system fixed on the front side of the transmission module and capable of driving an output shaft of the transmission module to rotate, a chuck fixed on the output shaft of the transmission module, a second base detachably fixed on the chuck, and a hydraulic expansion sleeve arranged at the end part of the second base, wherein the hydraulic expansion sleeve comprises an expansion sleeve base concentrically fixed at the end part of the second base, an expansion sleeve main body concentrically arranged at the end part of the expansion sleeve base, an air-tight disc fixed at the end part of the expansion sleeve base and concentrically sleeved outside the expansion sleeve main body, and a second air inlet pipe transversely inserted and arranged in the transmission module, and the left end of the second air inlet pipe transversely penetrates through the chuck and is concentrically fixed at the right end of the expansion sleeve base; the top of bottom plate still is equipped with the tight subassembly in top.

2. The robot processing production line for the rotor core according to claim 1, wherein the tightening assembly comprises a tailstock detachably fixed on the top of the bottom plate and capable of translating left and right to adjust the fixed position, a guide seat fixed on the top of the tailstock, a push rod transversely inserted into the guide seat and capable of sliding left and right, a cylinder body fixed on the left side of the guide seat, a traction sleeve fixed on the right end of the push rod and located on the right side of the guide seat, and a pressure plate rotatably fixed on the right end of the traction sleeve, and the pressure plate is concentrically arranged on the left side of the expansion sleeve main body.

3. The rotor core robot machining production line of claim 2, wherein a plurality of first counter bores are formed in the right end of the airtight disc and are distributed uniformly at equal angles in the circumferential direction, correspondingly, the outer circumferential surface of the airtight disc and the left end of the airtight disc are respectively provided with a second counter bore and a third counter bore which are the same in number, the inner ends of the second counter bores are respectively intersected and communicated with the inner walls of the first counter bores, and the inner ends of the third counter bores are respectively intersected and communicated with the inner walls of the second counter bores.

4. The rotor core robot machining production line of claim 3, wherein a sinking cavity is formed in the center of the right end of the expansion sleeve base, a plurality of through holes which are uniformly distributed in the circumferential direction at equal angles are formed between the left end of the expansion sleeve base and the bottom surface of the sinking cavity, the number and the positions of the through holes are matched with the number and the positions of the first counter bores respectively, the opening at the left end of each through hole is concentrically arranged with the opening of a corresponding first counter bore and is communicated with the opening of the corresponding first counter bore in a sealing mode, and the left end of the second air inlet pipe is connected in the sinking cavity in a sealing mode in an inserted mode.

5. The rotor core robot machining production line of claim 4, wherein the jacking assembly further comprises a guide rail and an L-shaped support, the guide rail is transversely fixed at the rear side of the guide seat, a plurality of sliding blocks are further sleeved on the guide rail, one end of the L-shaped support is detachably fixed on the traction sleeve, and the other end of the L-shaped support is fixed on the sliding blocks.

6. The robot processing production line for the rotor core according to claim 5, wherein a trigger plate is further fixed on the L-shaped support, correspondingly, two micro switches arranged left and right are further fixed on the top of the guide seat, and moving contacts of the micro switches are arranged backwards and are matched with the trigger plate.

7. The robot machining production line for the rotor core according to claim 1, wherein a blowing block is further fixed to the top of the bedplate and arranged on the right rear side of the tray, a plurality of air outlets are formed in the outer wall of the blowing block, and openings of the air outlets are arranged towards the direction of the tray.

8. The robot processing production line for the rotor core according to claim 7, wherein the bottom of the air blowing block is provided with an air inlet hole, and the inner ends of the air outlet holes are intersected and communicated with the inner wall of the air inlet hole.