Stator detection system for motor production line and use method thereof

Abstract

The invention relates to the technical field of motor production lines, in particular to a stator detection system for a motor production line and a use method thereof.The stator detection system comprises a vertical rod, a supporting frame and a top plate, the top plate is fixedly connected to the upper portion of the supporting frame, a transverse stator conveying structure is arranged on the inner side of the vertical rod, and a suspension rotation detection structure is arranged below the top plate; a stator weighing detection coil structure is arranged at one end of the inner side of the vertical rod. According to the stator detection system for the motor production line, the inclined plate can catch a sliding motor stator and guide the motor stator to slide downwards, the motor stator can only enter the position above the electronic weighing scale which is discharged by the extending plate frames on the two sides, and the electronic weighing scale weighs a stator core without a coil in advance; at the moment, the weight measured by the electronic weighing scale is the weight of the coil wound on the outer side, the winding number of the stator coil can be roughly obtained according to the comparison of the weight of a circle of coil and the measured weight, and whether the number of the stator detection coils is qualified or not can be judged without strenuous counting.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of motor production line, in particular to a stator detection system for motor production line and a using method thereof. BACKGROUND

[0002] The motor stator is the part that does not move in the motor, the core is the main magnetic circuit of the stator and is also the installation and fixing part of the stator winding, which is usually composed of 0.5mm thick silicon steel sheets, the two surfaces of the silicon steel sheets are coated with insulating paint to reduce the core loss, and the inner circle of the stator core is punched with a plurality of identical grooves for embedding the stator winding, the stator winding is the circuit part of the motor and is composed of insulated wires wound in the stator groove, which can be divided into concentrated type and distributed type.

[0003] The existing stator detection device for motor production line can judge whether the stator height meets the standard by comparing with the standard value, and can detect the degree of deflection of the stator reduction disc after being pressed multiple times, and the disc for detecting the length of the stator of the motor production line does not need to be calibrated frequently, the existing stator detection device for motor production line needs to detect not only the height standard of the motor stator, but also the number of turns of the coil wound on the motor, however, the coil wound on each motor stator is too dense and complex, it is completely unrealistic to count one by one, and it is very difficult for the operator to operate, so how to efficiently and quickly detect whether the motor stator coil is qualified is a difficult problem.

[0004] The existing stator detection device for motor production line detects the surface information content by observing the appearance of the motor stator through the camera, but the motor stator is a cylindrical structure with many outer arc surfaces, the fixed camera cannot capture many angles, and cannot effectively detect the bottom surface close to the conveying belt, which greatly affects the stator detection accuracy of the stator detection device for motor production line. SUMMARY

[0005] The present application aims to solve the problem that the existing stator detection device for motor production line has too dense and complex coils wound on each motor stator, it is completely unrealistic to count one by one, and it is very difficult for the operator to operate, so how to efficiently and quickly detect whether the motor stator coil is qualified is a difficult problem, and the fixed camera cannot capture many angles when capturing the stator conveyed by the conveying belt, and cannot effectively detect the bottom surface close to the conveying belt, which greatly affects the stator detection accuracy of the stator detection device for motor production line, and a stator detection system for motor production line is proposed.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme: The utility model designs a kind of stator detection system for motor production line, including vertical pole, support frame and top plate, multiple support frame is fixedly installed at the top of vertical pole, the top plate is fixedly connected above support frame, the inside of vertical pole is equipped with transverse stator transmission structure, the below of top plate is equipped with suspension rotary detection structure, the inside one end of vertical pole is provided with stator weighing detection coil structure, the above other side of vertical pole is equipped with direct current resistance test structure.

[0007] Preferably, the stator weighing detection coil structure includes an extension plate and a display, the display is fixedly installed on the outer wall of the vertical pole, two extension plates are fixedly connected to the inner walls of the vertical pole, the rear side of the extension plate is fixedly connected with an inclined plate, and an electronic weighing scale is fixedly installed at the lower end of the two extension plates, and the lower end of the electronic weighing scale is fixedly connected with two reinforcing rods.

[0008] Preferably, the display is electrically connected to the electronic weighing scale through wires, and the other ends of the two reinforcing rods are fixedly connected with the inner wall below the vertical pole.

[0009] Preferably, the transverse stator transmission structure includes a cross beam and a protective shell, two cross beams are fixedly installed on both sides of the top of the vertical pole, a conveyor belt is rotatably installed on the inner side of the two cross beams, two protective shells are fixedly installed on the inner walls of the support frames, and a camera is fixedly installed in the two protective shells.

[0010] The conveyor belt starts to transport the motor stator after preliminary detection, and the motor stator slides down after leaving the upper end of the conveyor belt, at which time the inclined plate can catch the sliding motor stator and guide it to slide down, and the motor stator can only enter above the electronic weighing scale framed by the two extension plates, so the past skin operation is completed, and the weight measured by the electronic weighing scale is the weight of the outer winding coil, and the number of winding coils can be roughly obtained by comparing the weight of a coil with the measured weight, without the need for laborious counting.

[0011] Preferably, the upper part of the conveyor belt movably accommodates a motor stator, and the two sides of the motor stator are slidably arranged opposite to the inner part of the cross beam.

[0012] Preferably, the suspension rotary detection structure includes an air cylinder and a motor, the air cylinder is fixedly installed at the lower end of the top plate, the motor is fixedly installed at the lower end of the air cylinder, the output shaft of the motor is fixedly connected with a rotating rod at the lower end, the rotating rod is fixedly installed below the insertion column, a plurality of connecting blocks are fixedly connected to the side wall of the insertion column, and an inflatable air bag is fixedly installed on the inner side of the connecting block.

[0013] Preferably, the insertion column is slidingly connected inside the motor stator, and the outer walls of the plurality of inflatable air bags abut against the inner wall of the motor stator.

[0014] Preferably, the DC resistance test structure comprises an operating table and a current measuring instrument, the operating table is fixedly connected to the other side of the top end of the stand, the upper side of the operating table is fixedly connected with a baffle, the current measuring instrument is fixedly installed above the top plate, the front end of the current measuring instrument is fixedly connected with a double-arm bridge, and the lower end of the top plate is fixedly installed with a mechanical clamp jaw.

[0015] Preferably, the motor stator is movably placed above the operating table, and the outer side of the motor stator is movably connected with the mechanical clamp jaw. Preferably, the front end of the conveying belt is connected with the top end of the inclined plate, and the lower side of the inclined plate is connected with the electronic weighing scale.

[0016] A use method of the stator detection system for the motor production line: S1, the cross beams are welded at the top ends of the stand, the two cross beams arranged in parallel support the operation of the internal conveying belt, the conveying belt is a motor-driven transmission belt, which can continuously convey the motor stator in the horizontal direction, and the protective shell is a cover made of transparent glass, and the cameras arranged oppositely in the protective shell can record the appearance of the motor stator to determine whether it is in conformity with the standard; S2, the conveying belt can carry the motor stator above to move towards the lower end of the air cylinder until the position of the through hole in the motor stator is aligned with the position of the lower end of the insertion column, the conveying belt is stopped first, the air cylinder pushes the insertion column into the motor stator, then the power supply is connected to inflate the inflatable air bag outside the connecting block by the air pump, the inflatable air bag is made of elastic rubber material, the volume of the inflatable air bag expands outward, and then expands in the motor stator, at this time, the air cylinder is reversely raised to drive the motor stator to be suspended above the conveying belt, and the motor connected to the power supply can drive the suspended motor stator to rotate slowly, so that the motor stator does not contact the shielding object below, and the observation is 360 degrees without dead angle, which further improves the accuracy and clarity of observation and detection, finally, the air cylinder slowly lowers the motor stator, the inflatable air bag is deflated, and the motor stator 4 is no longer supported, and the next step of work is prepared; S3, the LED display screen can cooperate with the electronic weighing scale to display the measured weight in real time, the reinforced rod provides stable support for the horizontally placed electronic weighing scale, the motor stator at one end of the conveying belt is started to transport and preliminarily detect, after the motor stator leaves the upper end of the conveying belt, the motor stator slides downward, at this time, the inclined plate can catch the sliding motor stator and guide the downward sliding of the motor stator, the motor stator can only enter above the electronic weighing scale framed by the two side extension plates, the electronic weighing scale has weighed the stator core without a coil in advance, so that the past skin operation is completed, at this time, the weight measured by the electronic weighing scale is the weight of the coil wound on the outside, according to the comparison between the weight of one coil and the measured weight, the number of coils wound on the stator can be roughly obtained, and there is no need to count them again.

[0017] The stator detection system for the motor production line and the use method thereof have the beneficial effects that the conveying belt starts to transport and preliminarily detect the motor stator at one end, after the motor stator leaves the upper end of the conveying belt, the motor stator slides downward, at this time, the inclined plate can catch the sliding motor stator and guide the downward sliding of the motor stator, the motor stator can only enter above the electronic weighing scale framed by the two side extension plates, the electronic weighing scale has weighed the stator core without a coil in advance, so that the past skin operation is completed, at this time, the weight measured by the electronic weighing scale is the weight of the coil wound on the outside, according to the comparison between the weight of one coil and the measured weight, the number of coils wound on the stator can be roughly obtained, and there is no need to count them again.

[0018] The conveying belt can carry the upper motor stator to move towards the lower end of the air cylinder until the position of the through hole in the motor stator is aligned with the position of the insertion column at the lower end, the conveying belt is first stopped, the air cylinder pushes the insertion column into the motor stator, then the power supply inflates the inflatable air bag outside the connecting block through the air pump, the inflatable air bag is made of elastic rubber material, the volume of the inflatable air bag expands outward, and then expands in the motor stator, at this time, the air cylinder reverses to rise, that is, the motor stator is suspended above the conveying belt, and the motor connected to the power supply can drive the suspended motor stator to rotate slowly, so that the motor stator does not contact the shielding object below, and the observation is 360 degrees without dead angle, thereby further improving the accuracy and clarity of observation and detection. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a perspective structural schematic diagram of the present application; Figure 2 It is a front view schematic diagram of the present application; Figure 1 Figure 3 It is a side view schematic diagram of the present application; Figure 1 Figure 4 It is an enlarged schematic diagram of A part in the present application; Figure 2 ​​​Figure 5 As Figure 2 Enlarged view of B part; Figure 6 As Figure 3 Enlarged view of C part; Figure 7 As Figure 3 Enlarged view of D part.

[0020] Figure 8 As a motor stator perspective diagram.

[0021] In the figure: 1, the vertical rod, 2, the support frame, 3, the top plate, 4, the motor stator, 5, the horizontal stator transmission structure, 51, the crossbeam, 52, the conveyor belt, 53, the protective shell, 54, the camera, 6, the suspension rotation detection structure, 61, the air cylinder, 62, the motor, 63, the rotating rod, 64, the insertion column, 65, the connecting block, 66, the inflatable airbag, 7, the stator weighing detection coil structure, 71, the inclined plate, 72, the extension plate, 73, the electronic weighing scale, 74, the reinforcing rod, 75, the display, 8, the direct current resistance test structure, 81, the operation table, 82, the baffle, 83, the current measuring instrument, 84, the mechanical clamp jaw, 85, the two-arm bridge. DETAILED DESCRIPTION

[0022] The application will be further described below in conjunction with the accompanying drawings: EMBODIMENT

[0023] Please refer to Figures 1-8 In this embodiment, a stator detection system for motor production line, including vertical rod 1, support frame 2 and top plate 3, a plurality of support frame 2 fixedly installed in the top end of vertical rod 1, support frame 2 side by side multiple welded in the top end of vertical rod 1, a plurality of stainless steel support frame 2 will be supported horizontally top plate 3 in the upper, top plate 3 is fixedly connected above the support frame 2, the inner side of vertical rod 1 is provided with horizontal stator transmission structure 5, the lower side of top plate 3 is provided with suspension rotation detection structure 6, the inner side of vertical rod 1 one end is provided with stator weighing detection coil structure 7, the upper side of vertical rod 1 is provided with direct current resistance test structure 8.

[0024] The stator weighing detection coil structure 7 comprises extension plates 72 and a display 75 fixedly installed on the outer wall of the stand 1, the display screen 75 selects an LED display screen capable of cooperating with the electronic weighing scale 73 to display the measured weight in real time, two extension plates 72 are fixedly connected to the inner walls of the stand 1 on both sides, the rear side of the extension plate 72 is fixedly connected with a diagonal plate 71, the lower end of the two extension plates 72 is fixedly installed with the electronic weighing scale 73, the lower end of the electronic weighing scale 73 is fixedly connected with two reinforcing rods 74, the reinforcing rods 74 are diagonally arranged to provide stable support for the horizontally placed electronic weighing scale 73, the motor stator 4 is started to transport the preliminary detected motor stator 4 at one end of the conveying belt 52, when the motor stator 4 leaves the upper end of the conveying belt 52, it will slide down, at this time, the diagonal plate 71 can catch the sliding motor stator 4 and guide the motor stator 4 to slide down, the motor stator 4 can only enter above the electronic weighing scale 73 framed by the two extension plates 72, the electronic weighing scale 73 has weighed the stator core without a coil in advance, so that the past skin operation is completed, at this time, the weight measured by the electronic weighing scale 73 is the weight of the coil wound on the outside, according to the comparison between the weight of a coil and the measured weight, the number of stator coils wound can be roughly obtained, without the need for laborious counting, the display 75 is electrically connected to the electronic weighing scale 73 through wires, and the other end of the two reinforcing rods 74 is fixedly connected with the inner wall of the stand 1 below.

[0025] The transverse stator transmission structure 5 comprises cross beams 51 and protective shells 53, two cross beams 51 are fixedly installed on the top ends of the stands 1, the cross beams 51 are welded on the top ends of the stands 1 on both sides, the two cross beams 51 arranged in parallel relative to each other support the working of the conveying belt 52 inside, the conveying belt 52 selects a motor-driven transmission belt, which can continuously convey the motor stator in the transverse direction, the conveying belt 52 is rotatably installed on the inner sides of the two cross beams 51, the protective shells 53 are fixedly installed on the inner walls of the support frames 2 on both sides, the protective shells 53 select transparent glass covers, the cameras 44 arranged opposite inside the protective shells 53 can record the appearance of the detected stator, the model and working principle of the detection camera 44 belong to the prior art, the cameras 44 are fixedly installed inside the two protective shells 53, the motor stator 4 is movably arranged above the conveying belt 52, and the motor stator 4 is slidably arranged opposite the inner sides of the cross beams 51.

[0026] The suspension rotation detection structure 6 comprises a cylinder 61 and a motor 62, the cylinder 61 is fixedly installed at the lower end of the top plate 3, the lower end of the cylinder 61 is fixedly installed with the motor 62, the motor 62 is a servo motor, the output shaft of the motor 62 is fixedly connected with a rotating rod 63 at the lower end, the rotating rod 63 is fixedly installed with an insertion column 64 below, a plurality of connecting blocks 65 are fixedly connected to the side wall of the insertion column 64, the conveying belt 52 can carry the upper motor stator 4 to move towards the lower end of the cylinder 61 until the position of the internal through hole of the motor stator 4 is aligned with the position of the lower end of the insertion column 64, the conveying belt 52 is first stopped, the cylinder 61 pushes the insertion column 64 downwards to insert into the motor stator 4, then the power supply is connected to inflate the expansion air bag 66 outside the connecting block 65 by the air pump, the expansion air bag 66 is made of elastic rubber material, the volume of the expansion air bag 66 will expand outward, and then be opened in the internal motor stator 4, at this time, the cylinder 61 is reversely lifted to drive the motor stator 4 to be suspended from the conveying belt 52, and the motor 62 can drive the suspended motor stator 4 to rotate slowly after being connected to the power supply, so that the lower part of the motor stator 4 does not contact the shielding object, the observation is 360 degrees without dead angle, and the accuracy and the clarity of the observation and detection are further improved, finally, the cylinder 61 slowly lowers the motor stator 4, the expansion air bag 66 is deflated and no longer supports the motor stator 4, and the next step of work can be prepared, the inner side of the connecting block 65 is fixedly installed with the expansion air bag 66, the insertion column 64 is slidingly connected in the internal motor stator 4, and the outer walls of the plurality of expansion air bags 66 are tightly abutted against the inner wall of the motor stator 4.

[0027] The front end of the conveying belt 52 is communicated with the top end of the inclined plate 71, and the lower part of the inclined plate 71 is communicated with the electronic weighing scale 73.

[0028] A use method of the stator detection system for the motor production line: In the motor production line, the stator is the core component of the motor, and the quality directly determines the performance, safety and service life of the motor, and the stator inspection needs to cover multiple dimensions such as appearance integrity, size accuracy, electrical performance and the like, and defects are removed through layer-by-layer screening; S1, the cross beam 51 is welded at the top end of the vertical rod 1 on both sides, the two cross beams 51 arranged in parallel support the internal conveying belt 52 to work, the conveying belt 52 selects a motor-driven transmission belt, which can continuously convey the motor stator horizontally, the protective shell 53 selects a cover made of transparent glass, the cameras 44 arranged oppositely in the protective shell 53 can record the detection of whether the appearance of the stator is compliant, and the model and working principle of the detection camera 44 all belong to the prior art; S2, the conveyor belt 52 can carry the upper motor stator 4 to move towards the lower end of the cylinder 61 until the position of the through hole in the motor stator 4 is aligned with the lower end of the insertion column 64, the conveyor belt 52 stops first, and the cylinder 61 pushes the insertion column 64 into the motor stator 4, then the power supply inflates the inflatable air bag 66 outside the connecting block 65 through the air pump, the inflatable air bag 66 is made of elastic rubber material, the volume of the inflatable air bag 66 will expand outward, and then expand in the motor stator 4, at this time the cylinder 61 reverses to rise, that is, the motor stator 4 is suspended from the conveyor belt 52, and the motor 62 can drive the suspended motor stator 4 to rotate slowly after being connected to the power supply, so that the motor stator 4 does not contact the shielding object below, and the observation is 360 degrees without dead angle, which further improves the accuracy and clarity of observation and detection, and finally the cylinder 61 slowly lowers the motor stator 4, the inflatable air bag 66 deflates and no longer supports the motor stator 4, and the next step is prepared; S3, the display screen 75 selects the LED display screen to cooperate with the electronic weighing scale 73 to display the measured weight in real time, the reinforced rod 74 provides stable support for the horizontally placed electronic weighing scale 73, and the conveyor belt 52 starts to transport the motor stator 4 after preliminary detection at one end, and the motor stator 4 slides down after leaving the upper end of the conveyor belt 52, at which time the inclined plate 71 can catch the sliding motor stator 4 and guide the motor stator 4 to slide down, the motor stator 4 can only enter the upper side of the electronic weighing scale 73 framed by the two extension plates 72, and the electronic weighing scale 73 has weighed the stator core without coil in advance, so that the past skin operation is completed, at which time the weight measured by the electronic weighing scale 73 is the weight of the coil wound outside, and according to the comparison between the weight of a coil and the measured weight, the number of coils wound on the stator can be roughly obtained, without the need to count again. Embodiment

[0029] Please refer to Figures 1-6In the embodiment, a stator detection system for motor production line, including DC resistance test structure 8 including operation table 81 and current measuring instrument 83, operation table 81 fixedly connected at the top of the other side of vertical rod 1, the upper side of operation table 81 is fixedly connected with baffle 82, baffle 82 can block the placement position of motor stator 4 above operation table 81, avoid falling, current measuring instrument 83 is fixedly installed above top plate 3, the front end of current measuring instrument 83 is fixedly connected with double-arm bridge 85, mechanical gripper 84 is fixedly installed at the lower end of top plate 3, mechanical gripper 84 is a relatively mature prior art, when motor stator 4 is detected by appearance and weight, it will temporarily stay above electronic weighing scale 73, so that the staff relies on the control terminal to preset the trajectory in advance, the mechanical gripper 84 controlled by mechanical and electronic intelligence clamps and transfers motor stator 4 to the placement above operation table 81, the staff extracts two electrode-opposite double-arm bridges 85 from current measuring instrument 83, measures the DC resistance of each phase winding on motor stator 4 by using double-arm bridge, the deviation needs to be ≤±2% (the same phase winding) and ±5% (different phase windings), ensures that the cross-sectional area of winding wire is consistent and has no broken strands, can further measure the conductivity of motor stator 4, motor stator 4 is movably placed above operation table 81, and the outer side of motor stator 4 is movably connected with mechanical gripper 84.

[0030] Working principle: Baffle 82 can block the placement position of motor stator 4 above operation table 81, avoid falling, current measuring instrument 83 is fixedly installed above top plate 3, mechanical gripper 84 is a relatively mature prior art, when motor stator 4 is detected by appearance and weight, it will temporarily stay above electronic weighing scale 73, so that the staff relies on the control terminal to preset the trajectory in advance, the mechanical gripper 84 controlled by mechanical and electronic intelligence clamps and transfers motor stator 4 to the placement above operation table 81, the staff extracts two electrode-opposite double-arm bridges 85 from current measuring instrument 83, measures the DC resistance of each phase winding on motor stator 4 by using double-arm bridge, the deviation needs to be ≤±2% (the same phase winding) and ±5% (different phase windings), ensures that the cross-sectional area of winding wire is consistent and has no broken strands, can further measure the conductivity of motor stator 4.

[0031] Although the present application has been illustrated and described with reference to the preferred embodiments, it should be understood by those skilled in the art that various changes in form and details can be made therein without departing from the scope of the claims.

Claims

1. A stator detection system for motor production line, comprising a vertical rod (1), a support frame (2) and a top plate (3), a plurality of the support frames (2) are fixedly installed at the top end of the vertical rod (1), and the top plate (3) is fixedly connected above the support frame (2), characterized in that: The inner side of the vertical rod (1) is provided with a transverse stator transmission structure (5), the lower side of the top plate (3) is provided with a suspension rotation detection structure (6), one end of the inner side of the vertical rod (1) is provided with a stator weighing detection coil structure (7), and the other side of the upper side of the vertical rod (1) is provided with a direct current resistance test structure (8).

2. The stator detection system for an electric machine production line according to claim 1, characterized in that: The stator weighing detection coil structure (7) comprises an extension plate (72) and a display (75), the display (75) is fixedly installed on the outer wall of the vertical rod (1), two extension plates (72) are fixedly connected to the inner walls of the vertical rod (1) on both sides, and the rear side of the extension plate (72) is fixedly connected with an inclined plate (71). An electronic weighing scale (73) is fixedly installed at the lower end of each of the two extension plates (72), and the lower end of the electronic weighing scale (73) is fixedly connected with two reinforcing rods (74).

3. The stator detection system for an electric machine production line of claim 2, wherein: The display (75) is electrically connected with the electronic weighing scale (73) through wires, and the other ends of the two reinforcing rods (74) are fixedly connected with the inner walls of the vertical rod (1) below.

4. The stator detection system for an electric machine production line of claim 1, wherein: The transverse stator transmission structure (5) comprises a cross beam (51) and a protection shell (53), two cross beams (51) are fixedly installed on both sides of the top end of the vertical rod (1), two transmission belts (52) are rotatably installed on the inner sides of the two cross beams (51), two protection shells (53) are fixedly installed on the inner walls of the support frame (2) on both sides, and two cameras (44) are fixedly installed in the protection shells (53).

5. A stator detection system for an electric machine production line according to claim 4, characterized in that: The upper side of the transmission belt (52) movably accommodates a motor stator (4), and the two sides of the motor stator (4) are slidably arranged opposite to the inner sides of the cross beams (51).

6. The stator detection system for an electric machine production line of claim 1, wherein: The suspension rotation detection structure (6) comprises a gas cylinder (61) and a motor (62), the gas cylinder (61) is fixedly installed at the lower end of the top plate (3), the lower end of the gas cylinder (61) is fixedly installed with the motor (62), the output shaft of the motor (62) is fixedly connected with a rotating rod (63), the lower side of the rotating rod (63) is fixedly installed with an insertion column (64), the side wall of the insertion column (64) is fixedly connected with a plurality of connecting blocks (65), and the inner side of the connecting block (65) is fixedly installed with an expansion air bag (66).

7. A stator detection system for an electric machine production line according to claim 6, characterized in that: The insertion column (64) is slidably connected in the motor stator (4), and the outer walls of the plurality of expansion air bags (66) are tightly abutted against the inner walls of the motor stator (4).

8. The stator detection system for an electric machine production line of claim 1, wherein: The direct current resistance test structure (8) comprises an operation table (81) and a current measuring instrument (83), the operation table (81) is fixedly connected to the other side of the top end of the vertical rod (1), one side of the upper side of the operation table (81) is fixedly connected with a baffle (82), the current measuring instrument (83) is fixedly installed above the top plate (3), the front end of the current measuring instrument (83) is fixedly connected with a double-arm bridge (85), and the lower end of the top plate (3) is fixedly installed with a mechanical clamp jaw (84).

9. A stator detection system for an electric machine production line according to claim 8, characterized in that: The operation platform (81) is movably placed above a motor stator (4), the outer side of the motor stator (4) is movably connected with a mechanical clamp jaw (84), the front end of the conveying belt (52) is connected with the top end of an inclined plate (71), and the lower side of the inclined plate (71) is connected with an electronic weighing scale (73).

10. Use of a stator detection system for a motor production line according to any one of claims 1-9, characterized in that: S1, the cross beam is welded at the top of the vertical rod on both sides, and the two cross beams arranged in parallel support the internal conveying belt in operation, the conveying belt is selected as a motor-driven transmission belt, which can continuously convey the motor stator horizontally, and the protective shell is selected as a transparent glass cover, and the cameras arranged oppositely in the protective shell can record the appearance of the stator to determine whether it is in compliance; S2, the conveying belt can carry the motor stator above to move towards the lower end of the air cylinder until the position of the through hole in the motor stator is aligned with the position of the insertion column at the lower end, the conveying belt is stopped first, the air cylinder pushes the insertion column into the motor stator, then the power supply is connected to inflate the inflatable air bag outside the connecting block by the air pump, the inflatable air bag is made of elastic rubber material, and the volume of the inflatable air bag will expand outward, then it will be expanded in the motor stator, at this time the air cylinder is reversely raised to drive the motor stator to be suspended above the conveying belt, and the motor connected to the power supply can drive the suspended motor stator to rotate slowly, so that the motor stator below does not contact the obstruction, and the 360-degree observation without dead angle around further improves the accuracy and clarity of observation and detection, finally the air cylinder slowly lowers the motor stator, the inflatable air bag is deflated and no longer supports the motor stator 4, and the next step is prepared; S3, the display screen is selected as an LED display screen to cooperate with the electronic weighing scale to display the measured weight in real time, the reinforcing rod provides stable support for the horizontally placed electronic weighing scale, and the conveying belt starts to transport the motor stator after preliminary detection at one end, and the motor stator will slide down after leaving the upper end of the conveying belt, at this time the inclined plate can catch the sliding motor stator and guide it to slide down, the motor stator can only enter above the electronic weighing scale framed by the two extension plates, and the electronic weighing scale has weighed the stator core without a coil in advance, so that the past skin operation is completed, at this time the weight measured by the electronic weighing scale is the weight of the coil wound outside, and the number of coils wound on the stator can be roughly obtained according to the comparison of the weight of a coil and the measured weight, without the need for further counting.

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