CN114146954A

CN114146954A - Automatic detection equipment for motor rotor and operation method thereof

Info

Publication number: CN114146954A
Application number: CN202111270588.9A
Authority: CN
Inventors: 陈思琦
Original assignee: Nanjing Xianglin Technology Co ltd
Current assignee: Nanjing Xianglin Technology Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-03-08

Abstract

The invention belongs to the technical field of rotor manufacturing, and particularly relates to automatic motor rotor detection equipment and an operation method thereof. This electric motor rotor automated inspection equipment through setting up automatic checkout mechanism, has reached and has realized carrying out automated inspection to the resistance value between the adjacent commutator segment of the rotor product of making through this mechanism, and compared with prior art, has the characteristics that it is fast to detect, detection numerical value is accurate, the precision is high, detection efficiency is high, in addition, greatly reduced still to measurement personnel's intensity of labour, and whole testing process is full automatic, only need the artifical effect to unqualified rotor product take out.

Description

Automatic detection equipment for motor rotor and operation method thereof

Technical Field

The invention relates to the technical field of rotor manufacturing, in particular to automatic motor rotor detection equipment and an operation method thereof.

Background

A motor rotor: the rotor of the motor is divided into a motor rotor and a generator rotor.

In order to guarantee electric motor rotor's product quality, present electric motor rotor makes the production completion back in the workshop of enterprise's factory, all need carry out the quality inspection process to it, whether the electric motor rotor product of this process is qualified in the aim at detection preparation, and present detection mode to electric motor rotor detects electric motor rotor's commutator mostly, because of electric motor rotor's commutator comprises twenty four commutator segments usually, and twenty four commutator segments are ring array form distribution on electric motor rotor's connecting shaft surface, so, the detector detects electric motor rotor's commutator, just also detect the resistance between the adjacent commutator segment of commutator, specifically do: the detector carries out artifical detection one by one through the resistance between the adjacent commutator segment of universal meter to the commutator one side, (resistance value between the adjacent commutator segment of qualified standard is between zero to an ohm, be greater than one or equal to zero and be unqualified), the commutator one side detects and is detecting the another side after accomplishing, this detection mode is not only big to detector intensity of labour, and detect slowly, inefficiency, can't satisfy the production demand of reality, furthermore, detector is detecting time measuring motor rotor, detector need often adjust the detection position, the detection achievement for detector has brought very big inconvenience.

Disclosure of Invention

Based on the technical problems that the existing detection mode for the motor rotor is high in labor intensity of detection personnel, slow in detection and low in efficiency, and cannot meet actual production requirements, in addition, when the detection personnel detect the motor rotor, the detection personnel need to frequently adjust the detection direction, and great inconvenience is brought to the detection work of the detection personnel, and the invention provides the automatic detection equipment for the motor rotor.

The invention provides automatic detection equipment for a motor rotor, which comprises a conveyor belt body for conveying a rotor product, wherein the upper surface of a rack of the conveyor belt body is fixedly connected with a first connecting plate and a second connecting plate which are symmetrically distributed, and the front surface of the first connecting plate is fixedly provided with an automatic detection mechanism, a pushing mechanism and a circumferential rotating mechanism;

the automatic detection mechanism comprises a resistance measuring instrument which automatically detects the resistance value of adjacent commutator segments in the commutator of the rotor product on the conveyor belt body;

the pushing mechanism is positioned above the automatic detection mechanism and comprises a pushing cylinder, and the pushing mechanism pushes the rotor product detected by the automatic detection mechanism;

the circumferential rotation mechanism comprises a second servo motor, and the second servo motor converts electric energy into mechanical energy to drive the rotor product to rotate circumferentially.

Preferably, the opposite surfaces of the first connecting plate and the second connecting plate are provided with guide grooves for guiding rotor products, the first connecting plate is positioned at the front part of the second connecting plate, the upper surface of the conveyor belt body is provided with placing grooves for placing the rotor products at equal intervals, the back surface of the conveyor belt body is fixedly provided with a first servo motor through a supporting block, and an output shaft of the first servo motor is fixedly connected with a driving shaft of the conveyor belt body through a coupler;

through above-mentioned technical scheme, first servo motor converts the electrical energy into mechanical energy, and the output shaft through first servo motor drives the initiative hub connection of drive belt body, and then drives the conveyer belt of conveyer belt body and does circumferential direction.

Preferably, the upper surfaces of the first connecting plate and the second connecting plate are respectively provided with a first mounting groove, the inner bottom walls of the two first mounting grooves are respectively positioned on the same horizontal plane with the upper surface of the conveyor belt body, the upper surfaces of the first connecting plate and the second connecting plate are respectively fixedly connected with a third connecting plate, the right side surface of the third connecting plate is in a C shape, the lower surface of the third connecting plate is fixedly provided with a first infrared proximity switch, the detection end of the first infrared proximity switch is positioned on the same vertical plane with the right side surface of the rotor product, the back surface of the second connecting plate is fixedly provided with a first telescopic cylinder through a supporting block, the outer surface of the shell of the first telescopic cylinder is fixedly connected with the inner wall of one first mounting groove, one end of the piston rod of the first telescopic cylinder is fixedly connected with a positioning block, the center of the front surface of the positioning block is movably inserted into one end of a connecting shaft of a rotor product through a bearing;

through the technical scheme, when the first telescopic cylinder does not work, the positioning block is not in contact with the connecting shaft of the rotor product.

Preferably, the automatic detection mechanism further comprises a guide rail, fixed blocks are fixedly connected to the surfaces of two sides of the guide rail, the two fixed blocks are symmetrically distributed by taking the axis of the guide rail as a symmetric center, the upper surfaces of the two fixed blocks and the lower surface of the resistance measuring instrument are fixedly installed, second telescopic cylinders are fixedly installed on the upper surfaces of the two fixed blocks, the upper surfaces of the two fixed blocks are symmetrically distributed, first installation blocks are fixedly connected to the opposite surfaces of piston rods of the two telescopic cylinders, first installation holes and second installation holes are respectively formed in the opposite surfaces of the two first installation blocks, the two first installation holes and the two second installation holes are divided into two groups by using one first installation hole to match one second installation hole as a group, wherein the two groups of first installation holes and second installation holes are symmetrically distributed on the opposite surfaces of the two first installation blocks, in each group, the first mounting holes and two of the commutator segments of the rotor product are positioned on the same horizontal plane, the inner walls of the second mounting holes are inclined, and the angle range of the included angle formed between the first mounting holes and the second mounting holes is fourteen degrees to sixteen degrees.

Preferably, the inner wall of the first mounting hole in each group is movably inserted into the outer surface of a red meter pen of the resistance measuring instrument through a sealing ring, the inner wall of the second mounting hole in each group is movably inserted into the outer surface of a black meter pen of the resistance measuring instrument through a sealing ring, the front surface of the first connecting plate is respectively and fixedly provided with a PLC controller and a high-definition display screen through a supporting block, a third telescopic cylinder is fixedly arranged on the left side surface of the guide rail through a supporting block, one end of a piston rod of the third telescopic cylinder is fixedly connected with a push block, the right side surface of the guide rail is provided with a second mounting groove, the right side surface of the guide rail is fixedly connected with a material frame, the inner bottom wall of the material frame and the inner bottom wall of the second mounting groove are located on the same horizontal plane, the inner bottom wall of the material frame is inclined, and a second infrared proximity switch is fixedly mounted on the inner wall of one side of the material frame.

Preferably, the front face of the guide rail is fixedly connected with a second mounting block, the upper surface of the second mounting block is fixedly connected with the lower surface of a second servo motor, a third mounting block is fixedly mounted on the front face of the second mounting block, and the upper surface of the third mounting block is fixedly connected with the outer surface of the pushing cylinder.

Preferably, the power shaft of the second servo motor is fixedly provided with an output shaft through a coupler, one end of the output shaft is fixedly sleeved with a conductive slip ring, the front face of the shell of the conductive slip ring is fixedly connected with the back face of the shell of the second servo motor through a connecting rod, one end face of the output shaft is fixedly connected with a limiting block, the back face of the limiting block is fixedly provided with electromagnets which are symmetrically distributed, and the two surfaces opposite to the electromagnets are located on the same horizontal plane with the inner wall of the limiting block.

Preferably, one end of a piston rod of the pushing cylinder is fixedly connected with a pushing plate, the lower end surface of the pushing plate is semicircular, and the pushing plate is made of stainless steel.

Preferably, the back of the push plate is fixedly connected with contact rods which are symmetrically distributed, and the longitudinal section of each contact rod is semicircular.

Preferably, an operation method of the automatic detection equipment for the motor rotor is provided, and the specific operation method is as follows: the method comprises the following steps that firstly, a first servo motor is started, an output shaft of the first servo motor drives a driving shaft of a conveyor belt body to rotate, and further drives a conveyor belt of the conveyor belt body to rotate circumferentially, rotor products manufactured in a previous process in a motor rotor production line in the prior art are directly conveyed into a placing groove, and then the rotor products are driven to move in a guide groove from left to right through the conveyor belt body;

step two, when the rotor product moves to the lower part of the third connecting plate by the conveyer belt of the conveyer belt body, after the detecting end of the first infrared proximity switch arranged on the lower surface of the third connecting plate senses the right side surface of the rotor product, the first telescopic cylinder is controlled to start, the first telescopic cylinder does extension motion, the positioning block connected with one end of the piston rod of the first telescopic cylinder is driven to be inserted with one end of the connecting shaft of the rotor product through a bearing, the rotor product is linearly pushed to the first mounting groove at the first connecting plate, the rotor product passes through the first mounting groove and the guide rail at the first connecting plate, in addition, in order to prevent the rotor product from displacing in the pushing process by the first telescopic cylinder, the pushing cylinder can be controlled to extend completely, the first telescopic cylinder is controlled to play an auxiliary guide role, when the first telescopic cylinder drives the rotor product to extend completely, the other end of the connecting shaft of the rotor product is movably inserted with the back of the limiting block, meanwhile, the positioning block is fed back to the PLC controller, the electromagnet is controlled to be electrified, the rotor product is sucked and fixed, the first telescopic cylinder is continuously in a completely extending state, the first telescopic cylinder drives the positioning block to tightly push one end of the connecting shaft of the rotor product, and the electromagnet is fed back to the PLC controller after the other end of the connecting shaft of the rotor product is sucked and fixed;

controlling a second servo motor to drive a rotor product to rotate fifteen degrees around the axis of an output shaft of the second servo motor as a circle center, controlling a second telescopic cylinder to drive a first mounting block to extend along the opposite surfaces of the two second telescopic cylinders, and controlling a resistance measuring instrument red pen and a resistance measuring instrument black pen in a first mounting hole to be directly contacted with the outer surface center of the adjacent commutator segments of the corresponding rotor product because the first mounting hole and the second mounting hole are matched with the adjacent commutator segments on the rotor product, measuring the resistance value between the adjacent commutator segments of the rotor product vertical to the first mounting hole from the left side and the right side of the rotor product, feeding the measured resistance value result back to a PLC (programmable logic controller), and judging the resistance value between the adjacent commutator segments measured by the rotor product through a program programmed in the PLC in advance, judging whether the adjacent commutator segments measured by the rotor product are qualified or not, displaying a resistance value structure by a high-definition display screen, and simultaneously controlling a second telescopic cylinder to drive a first mounting block to do contraction motion along the opposite surfaces of two second telescopic cylinders so as to restore the second telescopic cylinder to an initial state and prepare for detecting the next adjacent commutator segment of the rotor product;

and then control second servo motor rotates for the total twelve times, and rotation angle is fifteen degrees at every turn, measures the twelve times in proper order through two resistance measuring apparatu to the resistance value between the adjacent commutator segment of rotor product, carries out the testing process at the resistance value between the adjacent commutator segment to the rotor product, at this moment, divide into two kinds of circumstances:

firstly, when a program compiled in advance in a PLC controller judges that twenty-four groups of resistance values of a rotor product are all qualified, a pushing cylinder is controlled to do stretching motion, a first telescopic cylinder does contraction motion, one end of a piston rod of the pushing cylinder drives a pushing plate and a contact rod to push the rotor product backwards along the Z direction of a guide rail, the rotor product is pushed into a placing groove on the upper surface of a conveying belt body, and therefore the qualified rotor product is conveyed to the next process through the conveying belt body;

secondly, when a program compiled in advance in the PLC judges that the resistance value between a certain section of adjacent commutator segments of the rotor product is unqualified, the detection of the resistance value between the subsequent adjacent commutator segments of the rotor product is stopped, the pushing cylinder does extension motion, the first telescopic cylinder does contraction motion, the inner wall of one side of the material frame is provided with a second infrared proximity switch to detect the rear circular table end of the rotor product, the rotor product and the material frame are positioned on the same horizontal plane at the moment, the second infrared proximity switch feeds a detection signal back to the PLC, the first telescopic cylinder is controlled to continue contraction motion, after the second telescopic cylinder is completely contracted, the third telescopic cylinder is controlled to drive the push block to do extension motion, the unqualified rotor product is pushed from left to right along the horizontal direction of the second mounting groove, and the unqualified rotor product is pushed into the material frame to be temporarily stored.

The beneficial effects of the invention are as follows:

1. through setting up automatic checkout mechanism, reached and realized carrying out automated inspection to the resistance value between the adjacent commutator segment of the rotor product of making through this mechanism, compared with prior art, have the characteristics that detect fast, detection numerical value is accurate, the precision is high, detection efficiency is high, in addition, still greatly reduced to measurement personnel's intensity of labour, and whole testing process is full automatic, only need the artifical effect of taking out to unqualified rotor product.

2. Through setting up push mechanism, reached and realized after the resistance measuring instrument of automated inspection mechanism measures the resistance value between the adjacent commutator segment of rotor product completely, classify unqualified and qualified rotor product through this mechanism is automatic to the rotor product quality's of preparation effect has been guaranteed greatly.

3. Through setting up circumferential direction mechanism, reached and realized carrying out multiunit angle rotation to the rotor product through this mechanism to use with the cooperation of automatic checkout mechanism, carry out automated inspection to the resistance value between the adjacent commutator segments of rotor product, need not artifical rotation rotor product and detect the angle, thereby improved the detection efficiency's of resistance value between the adjacent commutator segments of rotor product effect greatly.

Drawings

FIG. 1 is a schematic diagram of an automatic inspection apparatus for a rotor of an electric machine;

FIG. 2 is a perspective view of a second telescopic cylinder structure of an automatic detection device for a motor rotor;

FIG. 3 is an enlarged view of a structure A in FIG. 2 of an automatic inspection apparatus for a rotor of an electric motor;

FIG. 4 is a perspective view of a second mounting groove structure of the automatic detection equipment for the motor rotor;

FIG. 5 is a perspective view of a second infrared proximity switch of the automatic inspection apparatus for a rotor of an electric motor;

FIG. 6 is a perspective view of an electromagnet structure of an automatic detection device for a motor rotor;

FIG. 7 is a perspective view of a first infrared proximity switch of an automatic inspection apparatus for a rotor of an electric machine;

fig. 8 is a perspective view of a first telescopic cylinder structure of an automatic detection device for a motor rotor.

In the figure: 1. a conveyor belt body; 2. a first connecting plate; 3. a second connecting plate; 4. a resistance measuring instrument; 41. a guide rail; 42. a fixed block; 43. a second telescopic cylinder; 44. a first mounting block; 45. a first mounting hole; 46. a second mounting hole; 47. a PLC controller; 48. a high-definition display screen; 49. a third telescopic cylinder; 410. a push block; 411. a second mounting groove; 412. material frame; 413. a second infrared proximity switch; 5. a push cylinder; 51. a third mounting block; 52. a push plate; 53. a contact lever; 6. a second servo motor; 61. a second mounting block; 62. an output shaft; 63. a conductive slip ring; 64. a limiting block; 65. an electromagnet; 7. a guide groove; 8. a placement groove; 9. a first servo motor; 10. a first mounting groove; 11. a third connecting plate; 12. a first infrared proximity switch; 13. a first telescopic cylinder; 14. and (5) positioning the blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-8, an electric motor rotor automated inspection equipment, in order to realize carrying out automated inspection to the rotor product, including the conveyer belt body 1 that is used for carrying the rotor product, the rotor product that the last process of prior art electric motor rotor production line was made is automatic to be carried to the upper surface of conveyer belt body 1, and whole material loading process need not artifical intervention, full automation to alleviate operating personnel's intensity of labour, its characterized in that greatly: the upper surface of a rack of the conveyor belt body 1 is fixedly connected with a first connecting plate 2 and a second connecting plate 3 which are symmetrically distributed, the rack of the conveyor belt body 1 is used for fixedly connecting two ends of the first connecting plate 2 and the second connecting plate 3, and the front surface of the first connecting plate 2 is fixedly provided with an automatic detection mechanism, a pushing mechanism and a circumferential rotating mechanism respectively;

the automatic detection mechanism comprises a resistance measuring instrument 4, and the resistance measuring instrument 4 automatically detects the resistance value of the adjacent commutator segment in the commutator of the rotor product on the conveyor belt body 1;

the pushing mechanism is positioned above the automatic detection mechanism and comprises a pushing cylinder 5, and the pushing mechanism pushes the rotor product detected by the automatic detection mechanism;

the circumferential rotation mechanism comprises a second servo motor 6, and the second servo motor 6 converts electric energy into mechanical energy to drive the rotor product to rotate circumferentially.

Furthermore, in order to place the rotor product on the surface of the conveyor belt body 1, the surfaces of the first connecting plate 2 and the second connecting plate 3 which are opposite to each other are provided with guide grooves 7 for guiding the rotor product, when the conveyor belt which is provided with the guide grooves 7 and plays the role of the conveyor belt body 1 drives the rotor product, the guide grooves 7 limit and guide the moving direction of the rotor product, the first connecting plate 2 is positioned at the front part of the second connecting plate 3, the upper surface of the conveyor belt body 1 is provided with placing grooves 8 for placing the rotor product at equal intervals, the rotor product manufactured in the first process in the motor rotor production line in the prior art is directly conveyed into the placing grooves 8, and then the rotor product is driven by the conveyor belt body 1 to move in the guide grooves 7 from left to right, in addition, the longitudinal section of the placing grooves 8 is in an arc shape, and the effect of preventing the rotor product from rolling around the conveyor belt of the conveyor belt body 1 is achieved, the back of the conveyor belt body 1 is fixedly provided with a first servo motor 9 through a supporting block, an output shaft 62 of the first servo motor 9 is fixedly connected with a driving shaft of the conveyor belt body 1 through a coupler, the first servo motor 9 converts electric energy into mechanical energy, the output shaft 62 of the first servo motor 9 drives the driving shaft of the conveyor belt body to be connected, and then the conveyor belt driving the conveyor belt body 1 is driven to rotate circumferentially.

Furthermore, in order to realize the positioning of the detection position of the rotor product, the upper surfaces of the first connecting plate 2 and the second connecting plate 3 are respectively provided with a first mounting groove 10, the first mounting groove 10 not only limits the mounting position of the automatic detection mechanism, but also positions the detection position of the rotor product, thereby being convenient for detecting adjacent commutator segments of the rotor product through the automatic detection mechanism, in addition, the inner bottom wall of the first mounting groove 10 is the same with the longitudinal section shape of the placing groove 8, the inner bottom walls of the two first mounting grooves 10 are both positioned on the same horizontal plane with the upper surface of the conveyor belt body 1, the upper surfaces of the first connecting plate 2 and the second connecting plate 3 are both fixedly connected with a third connecting plate 11, the right side surface of the third connecting plate 11 is in a C shape, and the lower surface of the third connecting plate 11 is fixedly provided with a first infrared proximity switch 12, the detection end of the first infrared proximity switch 12 and the right side surface of the rotor product are positioned on the same vertical plane, when the rotor product moves to the lower part of the third connecting plate 11 from the conveyer belt of the conveyer belt body 1, the detection end of the arranged first infrared proximity switch 12 senses the right side surface of the rotor product, at this time, the rotor product, the first installation groove 10 and the axis of the placing groove 8 are all positioned on the same axis, and the three are in a concentric state, so as to prepare for detecting the rotor product through an automatic detection mechanism, the back of the second connecting plate 3 is fixedly provided with a first telescopic cylinder 13 through a supporting block, the outer surface of the shell of the first telescopic cylinder 13 is fixedly connected with the inner wall of one of the first installation grooves 10, one end of the piston rod of the first telescopic cylinder 13 is fixedly connected with a positioning block 14, the front center of the positioning block 14 is movably inserted with one end of the connecting shaft of the rotor product through a bearing, the right side surface of rotor product is sensed at the sense terminal of first infrared ray proximity switch 12, control first telescopic cylinder 13 and start, first telescopic cylinder 13 is the motion of stretching out, drive locating piece 14 that first telescopic cylinder 13 piston rod one end is connected and peg graft through the connecting axle one end of bearing with the rotor product, with the 10 direction sharp propelling movement of first mounting groove of rotor product to first connecting plate 2 department, and then carry out the tight rotation of clamp earlier to it through circumferential direction mechanism, secondly, detect it through automatic checkout mechanism, first telescopic cylinder 13 is when out of work, locating piece 14 is contactless with the connecting axle of rotor product.

Further, in order to realize the detection from the left and right sides of the rotor product, the automatic detection mechanism further comprises a guide rail 41, when the first telescopic cylinder 13 pushes the rotor product out of the conveyor belt body 1, the guide rail 41 is arranged to guide and limit the movement direction of the rotor product, so that the rotor product linearly moves forward along the Z direction of the guide rail 41 and moves to the position of the circumferential rotation mechanism, the fixed blocks 42 are fixedly connected to the surfaces of the two sides of the guide rail 41, the two fixed blocks 42 are symmetrically distributed by taking the axis of the guide rail 41 as the symmetric center, the upper surfaces of the two fixed blocks 42 are fixedly installed with the lower surface of the resistance measuring instrument 4, the fixed blocks 42 are matched with the resistance measuring instrument 4 for use, the resistance measuring instrument 4 is fixed at the two sides of the guide rail 41 through the fixed blocks 42, and further the automatic detection of the adjacent commutator segments of the rotor product from the left and right directions is facilitated, the upper surfaces of the two fixed blocks 42 are fixedly provided with second telescopic cylinders 43, the two second telescopic cylinders 43 are symmetrically distributed on the upper surfaces of the two fixed blocks 42, the opposite surfaces of the piston rods of the two telescopic cylinders are fixedly connected with first mounting blocks 44, the second telescopic cylinders 43 are matched with the first mounting blocks 44 for use, so that the first mounting blocks 44 are driven by the second telescopic cylinders 43 to do telescopic motion along the opposite surfaces of the two second telescopic cylinders 43, the opposite surfaces of the two first mounting blocks 44 are respectively provided with first mounting holes 45 and second mounting holes 46, the two first mounting holes 45 and the two second mounting holes 46 are divided into two groups by matching one first mounting hole 45 with one second mounting hole 46, wherein the two groups of first mounting holes 45 and the two groups of second mounting holes 46 are symmetrically distributed on the opposite surfaces of the two first mounting blocks 44, the first mounting holes 45 in each group are positioned on the same horizontal plane with two commutator segments of a rotor product, the inner walls of the two second mounting holes 46 are inclined, the angle between the first mounting hole 45 and the second mounting hole 46 is fourteen degrees to sixteen degrees, and as the commutator of the rotor product is composed of twenty-four commutator segments, and twenty-four commutator segments are distributed in an annular array along the connecting shaft of the rotor product, so that the included angle between adjacent commutator segments of the rotor product is fifteen degrees, the first mounting hole 45 on the first mounting block 44 and two of the commutator segments of the rotor product are located on the same transverse plane, which means that the axis of the first mounting hole 45 and the axis of two of the commutator segments of the rotor product are located on the same axis, the included angle between the first mounting hole 45 and the second mounting hole 46 and the adjacent commutator segments on the rotor product is matched, and the included angle between the first mounting hole 45 and the second mounting hole 46 is preferably fifteen degrees.

Furthermore, in order to distinguish the qualified rotor product from the unqualified rotor product, the inner wall of the first mounting hole 45 in each group is movably inserted with the outer surface of the red gauge pen of the resistance measuring instrument 4 through a sealing ring, the inner wall of the second mounting hole 46 in each group is movably inserted with the outer surface of the black gauge pen of the resistance measuring instrument 4 through a sealing ring, the sealing ring is preferably made of butyl rubber, when the second telescopic cylinder 43 drives the first mounting block 44 to do extension motion along the opposite surfaces of the two second telescopic cylinders 43, because the first mounting hole 45 and the second mounting hole 46 are matched with the included angle between the adjacent commutator segments on the rotor product, the red gauge of the resistance measuring instrument 4 installed in the first mounting hole 45 and the black gauge pen of the resistance measuring instrument 4 installed in the second mounting hole 46 are directly contacted with the outer surface center of the adjacent commutator segments of the rotor product, and further the resistance value between the adjacent commutator segments of the rotor product is measured, wherein the resistance value range between the adjacent commutator segments of the standard rotor product is between zero and one ohm, and more than one or equal to zero represents that the rotor product is unqualified, the front surface of the first connecting plate 2 is respectively and fixedly provided with a PLC (programmable logic controller) 47 and a high-definition display screen 48 through supporting blocks, two resistance measuring instruments 4 measure the resistance value between the adjacent commutator segments of the rotor product, twenty-four groups of resistance value results are obtained in total and fed back to the PLC 47 in real time, whether the rotor product is qualified is judged through a program programmed in the PLC 47 in advance, the twenty-four resistance value results are displayed through the high-definition display screen 48, the left surface of the guide rail 41 is fixedly provided with a third telescopic cylinder 49 through the supporting blocks, one end of a piston rod of the third telescopic cylinder 49 is fixedly connected with a push block 410, the right surface of the guide rail 41 is provided with a second mounting groove 411, in order to prevent the first telescopic cylinder 13 from pushing the rotor product to slip when passing through the second mounting groove 411, the anti-slip mat can be installed on the inner bottom wall of the second installation groove 411, the upper surface of the anti-slip mat and the inner bottom wall of the second installation groove 411 are in the same horizontal plane, the right side surface of the guide rail 41 is fixedly connected with the material frame 412, the inner bottom wall of the material frame 412 and the inner bottom wall of the second installation groove 411 are in the same horizontal plane, the inner bottom wall of the material frame 412 is inclined, the second infrared proximity switch 413 is fixedly installed on the inner wall of one side of the material frame 412, when the rotor product is judged to be unqualified by a program programmed in advance in the PLC 47, the pushing cylinder 5 of the pushing mechanism pushes the rotor product backwards along the Z direction of the guide rail 41, after the second infrared proximity switch 413 is arranged on the inner wall of one side of the material frame 412, the rotor product and the material frame 412 are in the same horizontal plane, so that the unqualified rotor product can be pushed into the material frame 412 for temporary storage by the third telescopic cylinder 49, the second infrared proximity switch 413 feeds the detection signal back to the PLC controller 47, controls the third telescopic cylinder 49 to drive the push block 410 to do stretching movement, pushes unqualified rotor products from left to right along the horizontal direction of the second mounting groove 411, and pushes the unqualified rotor products into the material frame 412 for temporary storage.

Through setting up automatic checkout mechanism, reached and realized carrying out automated inspection to the resistance value between the adjacent commutator segment of the rotor product of making through this mechanism, compared with prior art, have the characteristics that detect fast, detection numerical value is accurate, the precision is high, detection efficiency is high, in addition, still greatly reduced to measurement personnel's intensity of labour, and whole testing process is full automatic, only need the artifical effect of taking out to unqualified rotor product.

Further, in order to fix the pushing mechanism and the circumferential rotating mechanism, the front surface of the guide rail 41 is fixedly connected with a second mounting block 61, the upper surface of the second mounting block 61 is fixedly connected with the lower surface of a second servo motor 6, the second mounting block 61 is matched with the second servo motor 6 for use, the second servo motor 6 of the circumferential rotating mechanism is supported and fixed, the front surface of the second mounting block 61 is fixedly provided with a third mounting block 51, the upper surface of the third mounting block 51 is fixedly connected with the outer surface of the pushing cylinder 5, the third mounting block 51 is matched with the pushing cylinder 5 for use, and the pushing cylinder 5 of the pushing mechanism is supported and fixed.

Further, in order to clamp and fix the rotor product, an output shaft 62 is fixedly installed on a power shaft of the second servo motor 6 through a coupler, a conductive slip ring 63 is fixedly connected to one end of the output shaft 62, the front surface of a shell of the conductive slip ring 63 is fixedly connected to the back surface of the shell of the second servo motor 6 through a connecting rod, the conductive slip ring 63 is connected to the back surface of the shell of the second servo motor 6, so that when the second servo motor 6 drives the output shaft 62 to rotate, only the inner ring of the conductive slip ring 63 is driven to rotate circumferentially, a limiting block 64 is fixedly connected to the end surface of one end of the output shaft 62, electromagnets 65 which are symmetrically distributed are fixedly installed on the back surface of the limiting block 64, the opposite surfaces of the two electromagnets 65 and the inner wall of the limiting block 64 are located on the same horizontal plane, the limiting block 64 is used in cooperation with the electromagnets 65, and the limiting block 64 limits the extending position of the rotor product pushed by the first telescopic cylinder 13, and at this moment, the first telescopic cylinder 13 is in a completely extending state and feeds back to the PLC 47, the electromagnet 65 is controlled to be electrified to suck and fix the rotor product, the first telescopic cylinder 13 is equivalent to a thimble to tightly push the rotor product, the rotor product is driven to rotate circumferentially through the second servo motor 6, the rotation angle is fifteen degrees each time, the rotation frequency is twelve times, and the resistance measuring instrument 4 which rotates the second telescopic cylinder 43 once drives the automatic detection mechanism measures the resistance value between adjacent commutator segments of the rotor product once, and feeds back the measurement result to the PLC 47 to be distinguished by a pre-programmed program.

Through setting up circumferential direction mechanism, reached and realized carrying out multiunit angle rotation to the rotor product through this mechanism to use with the cooperation of automatic checkout mechanism, carry out automated inspection to the resistance value between the adjacent commutator segments of rotor product, need not artifical rotation rotor product and detect the angle, thereby improved the detection efficiency's of resistance value between the adjacent commutator segments of rotor product effect greatly.

Further, in order to fix the pushing plate 52, one end of the piston rod of the pushing cylinder 5 is fixedly connected with the pushing plate 52, the lower end surface of the pushing plate 52 is in a semicircular shape, the pushing plate 52 is made of stainless steel, and the pushing cylinder 5 and the pushing plate 52 are matched for use to fix the pushing plate 52.

Further, in order to realize fixing the contact rod 53, the back fixedly connected with of push plate 52 is the contact rod 53 of symmetric distribution, the longitudinal section of contact rod 53 is semicircle shape, automatic checkout mechanism carries out the multiunit to the rotor product and detects the back of accomplishing, control push cylinder 5 and do the motion of stretching out, push plate 52 and contact rod 53 are driven to push back along the Z direction of guide rail 41 with the rotor product to push cylinder 5's piston rod one end, in addition, push cylinder 5 is when out of work, push plate 52 and contact rod 53 do not take place the contact with the rotor product.

Through setting up push mechanism, reached and realized after the resistance measuring instrument 4 of automatic checkout mechanism measures the resistance value between the adjacent commutator segment of rotor product completely, classify unqualified and qualified rotor product through this mechanism is automatic to the rotor product quality's of preparation effect has been guaranteed greatly.

The working principle is as follows: step one, a first servo motor 9 is started, an output shaft 62 of the first servo motor 9 drives a driving shaft of a conveyor belt body 1 to rotate, and further drives a conveyor belt of the conveyor belt body 1 to rotate circumferentially, rotor products manufactured in a first process in a motor rotor production line in the prior art are directly conveyed into a placing groove 8, and then the rotor products are driven to move in a guide groove 7 from left to right through the conveyor belt body 1;

step two, when the rotor product moves to the lower part of the third connecting plate 11 from the conveyer belt of the conveyer belt body 1, after the detecting end of the first infrared proximity switch 12 arranged on the lower surface of the third connecting plate 11 senses the right side surface of the rotor product, the first telescopic cylinder 13 is controlled to start, the first telescopic cylinder 13 does extension motion, the positioning block 14 connected with one end of the piston rod of the first telescopic cylinder 13 is driven to be inserted with one end of the connecting shaft of the rotor product through a bearing, the rotor product is pushed to the first mounting groove 10 at the first connecting plate 2 in a straight line way, so that the rotor product passes through the first mounting groove 10 and the guide rail 41 at the first connecting plate 2, in addition, in order to prevent the rotor product from displacement in the pushing process of the first telescopic cylinder 13, the pushing cylinder 5 can be controlled to extend completely, the first telescopic cylinder 13 is assisted in guiding, when the first telescopic cylinder 13 drives the rotor product to extend completely, the other end of the connecting shaft of the rotor product is movably inserted into the back of the limiting block 64 and is fed back to the PLC 47, the electromagnet 65 is controlled to be electrified to suck and fix the rotor product, the first telescopic cylinder 13 is continuously in a completely extended state, the first telescopic cylinder 13 drives the positioning block 14 to tightly push one end of the connecting shaft of the rotor product, and the electromagnet 65 feeds back to the PLC 47 after sucking and fixing the other end of the connecting shaft of the rotor product;

controlling the second servo motor 6 to drive the rotor product to rotate fifteen degrees around the axis of the output shaft 62 of the second servo motor 6 as the center of a circle, controlling the second telescopic cylinder 43 to drive the first mounting block 44 to extend along the opposite surfaces of the two second telescopic cylinders 43, and controlling the first mounting hole 45 and the second mounting hole 46 to be matched with the included angle between the adjacent commutator segments on the rotor product, so that the resistance measuring instrument 4 red pen installed in the first mounting hole 45 and the resistance measuring instrument 4 black pen installed in the second mounting hole 46 are directly contacted with the outer surface center of the adjacent commutator segments of the corresponding rotor product, measuring the resistance value between the adjacent commutator segments of the rotor product vertical to the first mounting hole 45 from the left side and the right side of the rotor product, feeding the measured resistance value result back to the PLC 47, and judging the resistance value between the adjacent commutator segments measured by the rotor product through a program programmed in advance in the PLC 47, judging whether the adjacent commutator segments measured by the rotor product are qualified or not, displaying the resistance value structure by a high-definition display screen 48, and simultaneously controlling the second telescopic cylinder 43 to drive the first mounting block 44 to do contraction motion along the opposite surfaces of the two second telescopic cylinders 43 so as to restore the second telescopic cylinders 43 to the initial state for preparing to detect the next adjacent commutator segment of the rotor product;

and then control second servo motor 6 and rotate the twelve times altogether, the turned angle is fifteen degrees at every turn, measures the twelve times in proper order through two resistance measuring apparatu 4 between the adjacent commutator segments of rotor product resistance value, carries out the testing process at the resistance value between the adjacent commutator segments of rotor product, this moment, divide into two kinds of circumstances:

firstly, when twenty-four groups of resistance values of the rotor product are judged to be qualified by a program compiled in advance in the PLC 47, the pushing cylinder 5 is controlled to do stretching motion, the first telescopic cylinder 13 does contracting motion, one end of a piston rod of the pushing cylinder 5 drives the pushing plate 52 and the contact rod 53 to push the rotor product backwards along the Z direction of the guide rail 41, the rotor product is pushed into the placing groove 8 on the upper surface of the conveying belt body 1, and therefore the qualified rotor product is conveyed to the next process through the conveying belt body 1;

secondly, when the pre-programmed program in the PLC 47 judges that the resistance value between a certain section of adjacent commutator segments of the rotor product is unqualified, the detection of the resistance value between the subsequent adjacent commutator segments of the rotor product is stopped, and the pushing cylinder 5 makes an extending motion, the first telescopic cylinder 13 makes a contracting motion, the inner wall of one side of the material frame 412 is provided with a second infrared proximity switch 413 which detects the rear circular platform end of the rotor product, at the moment, the rotor product and the material frame 412 are on the same horizontal plane, the second infrared proximity switch 413 feeds back a detection signal to the PLC 47, the first telescopic cylinder 13 is controlled to continue to do contraction movement, after the second telescopic cylinder 43 is completely contracted, and controlling the third telescopic cylinder 49 to drive the push block 410 to do stretching movement, pushing unqualified rotor products from left to right along the transverse horizontal direction of the second mounting groove 411, and pushing the unqualified rotor products into the material frame 412 for temporary storage.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides an electric motor rotor automatic check out test set, is including conveyer belt body (1) that is used for carrying the rotor product, and the upper surface to conveyer belt body (1) is carried automatically to the rotor product that the last process of prior art electric motor rotor production line was made, and whole material loading process need not artifical intervention, full automation to alleviate operating personnel's intensity of labour, its characterized in that greatly: the upper surface of a rack of the conveyor belt body (1) is fixedly connected with a first connecting plate (2) and a second connecting plate (3) which are symmetrically distributed, the rack of the conveyor belt body (1) is used for connecting and fixing two ends of the first connecting plate (2) and the second connecting plate (3), and the front surface of the first connecting plate (2) is fixedly provided with an automatic detection mechanism, a pushing mechanism and a circumferential rotating mechanism respectively;

the automatic detection mechanism comprises a resistance measuring instrument (4), and the resistance measuring instrument (4) automatically detects the resistance value of adjacent commutator segments in a commutator of the rotor product on the conveyor belt body (1);

the pushing mechanism is positioned above the automatic detection mechanism and comprises a pushing air cylinder (5), and the pushing mechanism pushes the rotor product detected by the automatic detection mechanism;

the circumferential rotation mechanism comprises a second servo motor (6), the second servo motor (6) converts electric energy into mechanical energy, and the rotor product is driven to rotate circumferentially.

2. The automatic detection equipment for the rotor of the motor as claimed in claim 1, wherein: the opposite surfaces of the first connecting plate (2) and the second connecting plate (3) are provided with guide grooves (7) for guiding rotor products, when the conveyor belt provided with the guide grooves (7) and used for conveying the conveyor belt body (1) drives the rotor products, the guide grooves (7) limit and guide the movement direction of the rotor products, the first connecting plate (2) is positioned at the front part of the second connecting plate (3), the upper surface of the conveyor belt body (1) is provided with placing grooves (8) for placing the rotor products at equal intervals, the rotor products manufactured in the first process of the motor rotor production line in the prior art are directly conveyed into the placing grooves (8), and then the rotor products are driven to move in the guide grooves (7) from left to right through the conveyor belt body (1), in addition, the longitudinal section of the arranged placing grooves (8) is in an arc shape, and the rotor products are prevented from rolling around the conveyor belt of the conveyor belt body (1), the back of conveyer belt body (1) has first servo motor (9) through supporting shoe fixed mounting, the driving shaft fixed connection of driving shaft through shaft coupling and conveyer belt body (1) of power shaft of first servo motor (9), and first servo motor (9) convert the electric energy into mechanical energy, drive the driving shaft connection of drive belt body through output shaft (62) of first servo motor (9), and then drive the conveyer belt of conveyer belt body (1) and do circumferential direction.

3. The automatic detection equipment for the rotor of the motor as claimed in claim 1, wherein: the upper surfaces of the first connecting plate (2) and the second connecting plate (3) are respectively provided with a first mounting groove (10), the first mounting grooves (10) not only limit the mounting position of the automatic detection mechanism, but also position the detection position of the rotor product, so that the adjacent commutator bars of the rotor product can be detected through the automatic detection mechanism, in addition, the inner bottom wall provided with the first mounting grooves (10) is the same as the longitudinal section of the placement groove (8), the inner bottom walls of the two first mounting grooves (10) are both positioned on the same horizontal plane with the upper surface of the conveying belt body (1), the upper surfaces of the first connecting plate (2) and the second connecting plate (3) are respectively and fixedly connected with a third connecting plate (11), the right side surface of the third connecting plate (11) is in a C shape, the lower surface of the third connecting plate (11) is fixedly provided with a first infrared proximity switch (12), the detection end of the first infrared proximity switch (12) and the right side surface of the rotor product are positioned on the same vertical plane, when the rotor product moves to the lower part of the third connecting plate (11) through the conveying belt of the conveying belt body (1), the detection end of the arranged first infrared proximity switch (12) senses the right side surface of the rotor product, at the moment, the axes of the rotor product, the first mounting groove (10) and the placing groove (8) are all positioned on the same axis and are in a concentric state, so that the rotor product is ready to be detected through an automatic detection mechanism, a first telescopic cylinder (13) is fixedly mounted on the back surface of the second connecting plate (3) through a supporting block, the outer surface of a shell of the first telescopic cylinder (13) is fixedly connected with the inner wall of one first mounting groove (10), and a positioning block (14) is fixedly connected to one end of a piston rod of the first telescopic cylinder (13), the utility model discloses a rotor product, including rotor product, locating piece (14), first telescopic cylinder (13), first locating piece (14) and second locating piece (13), the positive center department of locating piece (14) is pegged graft through the bearing with the connecting axle one end activity of rotor product, the right side surface of rotor product is sensed to the sense terminal at first infrared ray proximity switch (12), control first telescopic cylinder (13) start, first telescopic cylinder (13) is the motion of stretching out, locating piece (14) that drive first telescopic cylinder (13) piston rod one end and connect through the bearing with the connecting axle one end grafting of rotor product, with the rotor product to the first mounting groove (10) orientation straight line propelling movement of first connecting plate (2) department, and then carry out the tight rotation of clamp earlier to it through circumferential direction mechanism, secondly, detect it through automatic checkout mechanism, first telescopic cylinder (13) is when out of work, locating piece (14) and the connecting axle of rotor product are contactless.

4. The automatic detection equipment for the rotor of the motor as claimed in claim 1, wherein: the automatic detection mechanism further comprises a guide rail (41), when the rotor product is pushed out of the conveying belt body (1), the first telescopic cylinder (13) is arranged to guide and limit the moving direction of the rotor product, so that the rotor product moves forwards in a linear motion along the Z direction of the guide rail (41) to the position of the circumferential rotating mechanism, fixed blocks (42) are fixedly connected to the surfaces of the two sides of the guide rail (41), the two fixed blocks (42) are symmetrically distributed by taking the axis of the guide rail (41) as a symmetric center, the upper surfaces of the two fixed blocks (42) and the lower surface of the resistance measuring instrument (4) are fixedly installed, the fixed blocks (42) are matched with the resistance measuring instrument (4) for use, the resistance measuring instrument (4) is fixed to the two sides of the guide rail (41) through the fixed blocks (42), and then the adjacent commutator segments of the rotor product can be automatically detected from the left direction and the right direction, two the equal fixed mounting of upper surface of fixed block (42) has second telescopic cylinder (43), two second telescopic cylinder (43) is two the upper surface of fixed block (42) is the symmetric form and distributes, two telescopic cylinder's the equal fixedly connected with first installation piece (44) of piston rod relative surface, second telescopic cylinder (43) and first installation piece (44) cooperation are used, be convenient for drive first installation piece (44) through second telescopic cylinder (43) and be concertina movement along the relative surface of two second telescopic cylinder (43), two first mounting hole (45) and second mounting hole (46) have been seted up respectively to the relative surface of first installation piece (44), two first mounting hole (45) and two second mounting hole (46) use one first mounting hole (45) collocation one second mounting hole (46) divide into two sets of altogether, wherein two sets of first mounting hole (45) and second mounting hole (46) are two the relative surface of first mounting block (44) is the symmetry form and distributes, and in every group first mounting hole (45) all lie in same horizontal plane with wherein two commutator segments of rotor product, two the inner wall of second mounting hole (46) all is the slope form, set up contained angle angular range between first mounting hole (45) and second mounting hole (46) is fourteen degrees to sixteen degrees, because of the commutator of rotor product comprises twenty four commutator segments, and twenty four commutator segments are annular array form along the connecting axle of rotor product and distribute, therefore, the contained angle between the adjacent commutator segment of rotor product is fifteen degrees, and first mounting hole (45) on first mounting block (44) and wherein two commutator segments of rotor product lie in same transverse plane, have represented the axle center of first mounting hole (45) and wherein two commutator segments of rotor product all lie in same horizontal plane, have represented the axle center of first mounting hole (45) and wherein two commutator segments of rotor product all lie in same commutator segment of rotor product On an axle center, the included angle between the adjacent commutator segments on the rotor product is matched with the included angle between the first mounting hole (45) and the second mounting hole (46), and the included angle between the first mounting hole (45) and the second mounting hole (46) is preferably fifteen degrees.

5. The automatic detection equipment for the rotor of the motor as claimed in claim 4, wherein: the inner wall of the first mounting hole (45) in each group is movably inserted with the outer surface of a red meter pen of the resistance measuring instrument (4) through a sealing ring, the inner wall of the second mounting hole (46) in each group is movably inserted with the outer surface of a black meter pen of the resistance measuring instrument (4) through a sealing ring, the sealing ring is preferably made of butyl rubber, and when the second telescopic cylinder (43) drives the first mounting block (44) to do extending motion along the opposite surfaces of the two second telescopic cylinders (43), because the first mounting hole (45) and the second mounting hole (46) are matched with the included angle between the adjacent commutator segments on the rotor product, the red meter pen of the resistance measuring instrument (4) installed in the first mounting hole (45) and the black meter pen of the resistance measuring instrument (4) installed in the second mounting hole (46) are directly contacted with the centers of the outer surfaces of the adjacent commutator segments of the rotor product, so as to measure the resistance value between the adjacent commutator segments of the rotor product, wherein the resistance value range between adjacent commutator segments of a standard rotor product is between zero and one ohm, more than one or equal to zero indicates that the rotor product is unqualified, the front surface of the first connecting plate (2) is respectively and fixedly provided with a PLC (programmable logic controller) and a high-definition display screen (48) through supporting blocks, two resistance measuring instruments (4) measure the resistance value between the adjacent commutator segments of the rotor product, twenty-four groups of resistance value results are obtained in total and fed back to the PLC (47) in real time, whether the rotor product is qualified is judged through a program programmed in the PLC (47) in advance, twenty-four resistance value results are displayed through the high-definition display screen (48), the left surface of the guide rail (41) is fixedly provided with a third telescopic cylinder (49) through the supporting blocks, one end of a piston rod of the third telescopic cylinder (49) is fixedly connected with a push block (410), the right side surface of the guide rail (41) is provided with a second mounting groove (411), in order to prevent the first telescopic cylinder (13) from pushing the rotor product to slip when passing through the second mounting groove (411), a non-slip mat is mounted on the inner bottom wall of the second mounting groove (411), the upper surface of the non-slip mat and the inner bottom wall of the second mounting groove (411) are positioned on the same horizontal plane, the right side surface of the guide rail (41) is fixedly connected with a material frame (412), the inner bottom wall of the material frame (412) and the inner bottom wall of the second mounting groove (411) are positioned on the same horizontal plane, the inner bottom wall of the material frame (412) is inclined, a second infrared proximity switch (413) is fixedly mounted on the inner wall of one side of the material frame (412), and when a program which is programmed in advance in the PLC (47) judges that the rotor product is not qualified, a pushing cylinder (5) of the pushing mechanism pushes the rotor product backwards along the Z direction of the guide rail (41), material frame (412) one side inner wall sets up behind the rear portion round platform end that second infrared ray proximity switch (413) detected the rotor product, rotor product this moment is in on the same horizontal plane with material frame (412), thereby be convenient for follow-up by third telescopic cylinder (49) with unqualified rotor product push-in material frame (412) in temporary storage, second infrared ray proximity switch (413) feeds back the detected signal to PLC controller (47), control third telescopic cylinder (49) drive ejector pad (410) and do the reach out motion, with unqualified rotor product along the horizontal direction from left right hand propelling movement of second mounting groove (411), the propelling movement is stored in material frame (412) temporarily.

6. The automatic detection equipment for the rotor of the motor as claimed in claim 4, wherein: the positive fixedly connected with second installation piece (61) of guide rail (41), the upper surface of second installation piece (61) and the lower fixed surface of second servo motor (6) are connected, and second installation piece (61) uses with second servo motor (6) cooperation, play support and fixed effect to second servo motor (6) of circumferential direction mechanism, the positive fixed mounting of second installation piece (61) has third installation piece (51), the upper surface of third installation piece (51) and the outer fixed surface of propelling movement cylinder (5) are connected, and third installation piece (51) uses with propelling movement cylinder (5) cooperation, play support and fixed effect to propelling movement cylinder (5) of propelling movement mechanism.

7. The automatic detection equipment for the rotor of the motor as claimed in claim 1, wherein: an output shaft (62) is fixedly mounted on a power shaft of the second servo motor (6) through a coupler, a conductive slip ring (63) is fixedly sleeved at one end of the output shaft (62), the front face of a shell of the conductive slip ring (63) is fixedly connected with the back face of the shell of the second servo motor (6) through a connecting rod, the conductive slip ring (63) is connected with the back face of the shell of the second servo motor (6), so that when the second servo motor (6) drives the output shaft (62) to rotate, only the inner ring of the conductive slip ring (63) is driven to rotate circumferentially, a limiting block (64) is fixedly connected to the end face of one end of the output shaft (62), electromagnets (65) which are symmetrically distributed are fixedly mounted on the back face of the limiting block (64), the opposite surfaces of the two electromagnets (65) and the inner wall of the limiting block (64) are located on the same horizontal plane, and the limiting block (64) and the electromagnets (65) are matched for use, the limiting block (64) limits the extending position of a rotor product pushed by the first telescopic cylinder (13), the first telescopic cylinder (13) at the moment is in a completely extending state and feeds back to the PLC controller (47), the electromagnet (65) is controlled to be powered on, the rotor product is sucked and fixed, the first telescopic cylinder (13) is equivalent to a thimble to tightly push the rotor product, the rotor product is driven to rotate circumferentially through the second servo motor (6), the rotation angle is fifteen degrees at each time, the rotation frequency is twelve times, and the resistance measuring instrument (4) which rotates the second telescopic cylinder (43) for one time and drives the automatic detection mechanism measures the resistance value between adjacent commutator segments of the rotor product once, the measuring result is fed back to the PLC controller (47) and is distinguished by a good program in advance.

8. The automatic detection equipment for the rotor of the motor as claimed in claim 1, wherein: the piston rod one end fixedly connected with push plate (52) of push cylinder (5), the lower extreme surface of push plate (52) is the semicircle form, the material of push plate (52) is the stainless steel, and push cylinder (5) and push plate (52) cooperation are used, play fixed effect to push plate (52).

9. The automatic detection equipment for the rotor of the motor as claimed in claim 8, wherein: the back fixedly connected with of propelling movement board (52) is contact bar (53) of symmetric distribution, the longitudinal section of contact bar (53) is the semicircle form, and automated inspection mechanism carries out the multiunit to the rotor product and detects the completion after, and the motion is stretched out in control propelling movement cylinder (5), and the piston rod one end of propelling movement cylinder (5) drives propelling movement board (52) and contact bar (53) and does the backward propelling movement with the rotor product along the Z direction of guide rail (41), and in addition, propelling movement cylinder (5) are when out of work, and propelling movement board (52) and contact bar (53) are not the emergence contact with the rotor product.

10. An operation method of the automatic detection equipment for the rotor of the motor based on any one of claims 1 to 9 is as follows: the method comprises the following steps that firstly, a first servo motor (9) is started, an output shaft (62) of the first servo motor (9) drives a driving shaft of a conveyor belt body (1) to rotate, and further drives a conveyor belt of the conveyor belt body (1) to rotate in the circumferential direction, rotor products manufactured in a first process in a motor rotor production line in the prior art are directly conveyed into a placing groove (8), and then the rotor products are driven to move in a guide groove (7) from left to right through the conveyor belt body (1);

step two, when the rotor product is moved to the lower part of the third connecting plate (11) by the conveyer belt of the conveyer belt body (1), after the detecting end of the first infrared proximity switch (12) arranged on the lower surface of the third connecting plate (11) senses the right side surface of the rotor product, the first telescopic cylinder (13) is controlled to start, the first telescopic cylinder (13) does extension movement, the positioning block (14) connected with one end of the piston rod of the first telescopic cylinder (13) is driven to be inserted into one end of the connecting shaft of the rotor product through a bearing, the rotor product is linearly pushed towards the direction of the first mounting groove (10) at the first connecting plate (2), so that the rotor product passes through the first mounting groove (10) and the guide rail (41) at the first connecting plate (2) one by one, in addition, in order to prevent the rotor product from being displaced in the pushing process by the first telescopic cylinder (13), the pushing cylinder (5) can be controlled to be fully extended, the auxiliary guiding is carried out on the first telescopic cylinder (13), when the first telescopic cylinder (13) drives the rotor product to completely extend out, the other end of a connecting shaft of the rotor product is movably inserted with the back of the limiting block (64) and simultaneously feeds back to the PLC (47), the electromagnet (65) is controlled to be electrified to suck, tightly and fixedly the rotor product, the first telescopic cylinder (13) is continuously in a completely extending state, the first telescopic cylinder (13) drives the positioning block (14) to tightly push one end of the connecting shaft of the rotor product, and the electromagnet (65) feeds back to the PLC (47) after tightly sucking and fixing the other end of the connecting shaft of the rotor product;

controlling a second servo motor (6) to drive a rotor product to rotate fifteen degrees around the axis of an output shaft (62) of the second servo motor (6) as the center of a circle, controlling a second telescopic cylinder (43) to drive a first mounting block (44) to do stretching motion along the opposite surfaces of the two second telescopic cylinders (43), and controlling a resistance measuring instrument (4) red pen installed in the first mounting hole (45) and a resistance measuring instrument (4) black pen installed in the second mounting hole (46) to be directly contacted with the outer surface center of the adjacent commutator segments of the corresponding rotor product because the first mounting hole (45) and the second mounting hole (46) are matched with the included angle between the adjacent commutator segments of the rotor product, measuring the resistance value between the adjacent commutator segments of the rotor product vertical to the first mounting hole (45) from the left side and the right side of the rotor product, and feeding the measured resistance value back to a PLC (47), judging the resistance value between adjacent commutator segments measured by the rotor product through a program programmed in advance in a PLC (47), judging whether the adjacent commutator segments measured by the rotor product are qualified or not, displaying the resistance value structure by a high-definition display screen (48), and simultaneously controlling a second telescopic cylinder (43) to drive a first mounting block (44) to do contraction motion along the opposite surfaces of two second telescopic cylinders (43), so that the second telescopic cylinder (43) is restored to the initial state to prepare for detecting the next adjacent commutator segment of the rotor product;

and then control second servo motor (6) and rotate for the total twelve times, turned angle is fifteen degrees at every turn, measures the twelve times in turn through resistance value between the adjacent commutator segments of two resistance measurement appearance (4) to the rotor product, carries out the testing process at the resistance value between the adjacent commutator segments of rotor product, at this moment, divide into two kinds of circumstances:

firstly, when twenty-four groups of resistance values of a rotor product are judged to be qualified by a program compiled in advance in a PLC (47), a pushing cylinder (5) is controlled to do stretching motion, a first telescopic cylinder (13) does contracting motion, one end of a piston rod of the pushing cylinder (5) drives a pushing plate (52) and a contact rod (53) to push the rotor product backwards along the Z direction of a guide rail (41), and the rotor product is pushed into a placing groove (8) on the upper surface of a conveying belt body (1), so that the qualified rotor product is conveyed to the next process through the conveying belt body (1);

secondly, when a program compiled in advance in the PLC (47) judges that the resistance value between a certain section of adjacent commutator segments of the rotor product is unqualified, the detection of the resistance value between the subsequent adjacent commutator segments of the rotor product is stopped, the pushing cylinder (5) does extension motion, the first telescopic cylinder (13) does retraction motion, the inner wall of one side of the material frame (412) is provided with a second infrared proximity switch (413) to detect the rear circular platform end of the rotor product, the rotor product and the material frame (412) are positioned on the same horizontal plane at the moment, the second infrared proximity switch (413) feeds back a detection signal to the PLC (47), the first telescopic cylinder (13) is controlled to continue to do retraction motion, after the second telescopic cylinder (43) is completely retracted, the third telescopic cylinder (49) is controlled to drive the pushing block (410) to do extension motion, the unqualified rotor product is pushed from left to right along the transverse horizontal direction of the second mounting groove (411), pushed to the material frame (412) for temporary storage.