CN114453272A - Automatic press riveting detection line and detection process for rotor core - Google Patents

Abstract

The invention relates to an automatic pressure riveting detection line for a rotor iron core, which comprises an automatic feeding device, a detection camera, a pressure riveting device, a pressure riveting detection device, a foreign object detection device, a marking and scanning device, a cleaning device and a The lower end of the detection camera is fixedly connected with a camera fixing frame, and the lower side of the detection camera is provided with a rotation adjustment mechanism; the pressure riveting device includes a hydraulic cylinder, a guide frame, a pressure sensor and a fixture; the pressure riveting detection device includes There is a pressing cylinder, a plurality of displacement sensors, a lifting detection mechanism, a support block and a sensor; the foreign object detection device includes a support frame, a second pressing cylinder, an L-shaped sliding plate and a profiling located under the second pressing cylinder piece. The invention relates to an automatic pressure riveting detection line for a rotor iron core and a detection process thereof. Each detection process is closely connected to realize automatic detection without manual participation, save labor and improve work efficiency.

Description

Automatic pressure riveting inspection line for rotor core and its inspection process

technical field

The invention relates to the technical field of pressure riveting detection equipment, in particular to an automatic pressure riveting detection line of a rotor core and a detection process thereof.

Background technique

The motor is one of the core components of a new energy vehicle. The motor consists of a rotor and a stator. It is used to convert electrical energy to mechanical energy and mechanical energy to electrical energy.

The rotor iron core is made of superimposed silicon steel sheets, and the processed rotor iron core needs to be subjected to pressure riveting inspection; the previous pressure riveting inspection process is not closely connected, and manual operations are required between steps, resulting in low production efficiency and production. The cost increases; in addition, in order to ensure the detection accuracy of the conventional inspection production line, the sensor is usually attached to the product very close. When part of the production device deviates from the track during the handling process, the product is easy to hit the sensor, resulting in the conventional sensor of the inspection line. Facility safety factor is relatively low.

Therefore, there is an urgent need for an automatic pressure riveting detection line and a detection process for a rotor core that saves labor, improves production efficiency, and ensures detection quality.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the above deficiencies, and to provide an automatic pressure riveting detection line and a detection process for the rotor core that saves labor, improves production efficiency, and ensures detection quality.

The object of the present invention is achieved in this way:

The automatic pressure riveting detection process of the rotor core, the process steps are:

Step 1; Loading: The high-speed stamping machine punches the product until it falls and then pushes it out, and the two discharge conveying lines meet the product on the meeting conveying line;

Step 2; camera detection: the detection camera detects the position of the product, the rotation adjustment mechanism starts to rotate and adjust to the required position, and the detection camera detects the product;

Step 3; Riveting pressure: the piston rod of the hydraulic cylinder extends and applies 30T pressure to drive the pressure sensor to move down, and the pressure sensor detects the product pressure;

Step 4; Measure: press the cylinder down by 25T to make the displacement sensor move down, and the displacement sensor detects the thickness of the product;

Step 5; Foreign object detection: the piston rod of the second pressing cylinder is pressed down by 25T, and the profiling block is pushed down, and the profiling block is lowered to detect whether there is foreign matter;

Step 6; coding: the rotating cylinder rotates 180 degrees and pushes the lifting support fixture to rise, the product is put into the coding machine, and the coding machine prints the two-dimensional code and the clear code;

Step 7; code reading: after the code is printed, the code reader reads the product code;

Step 8: Cleaning: the blowing mechanism in the cleaning device blows air on the product, and the dust-absorbing mechanism vacuums the product;

Step 9; Unloading: During NG, the pushing mechanism pushes the product onto the NG roller, and when it is qualified, the handling mechanism pushes the product onto the conveying line.

The detection line used in the automatic pressure riveting detection process of the above-mentioned rotor core includes an automatic feeding device, a detection camera, a pressure riveting device, a pressure riveting detection device, a foreign object detection device, a marking and scanning device arranged in sequence from front to back. Code device, cleaning device and blanking device; the detection camera, pressure riveting device, pressure riveting detection device, foreign object detection device, marking and scanning device and cleaning device are all arranged on the workbench;

The lower end of the detection camera is fixedly connected with a camera fixing frame, and the lower end of the camera fixing frame is fixedly connected on the worktable; the lower side of the detection camera is provided with a rotation adjustment mechanism, and the lower end of the rotation adjustment mechanism is fixedly connected on the worktable; The worktable is also provided with a handling mechanism, which is elongated from front to back and passes between the detection camera, the pressure riveting device, the pressure riveting detection device, the foreign object detection device, the marking and scanning device and the cleaning device;

The riveting device includes a hydraulic cylinder, a guide frame, a pressure sensor and a fixture. The top and bottom of the guide frame are respectively fixed with an upper fixing plate and a lower fixing plate, and a sliding seat is slidably installed in the middle of the outer wall of the guide frame. The cylinder seat of the cylinder is fixedly connected to the upper end of the upper fixing plate, the pressure sensor is fixedly installed on the upper end of the sliding seat, the fixture is arranged on the lower fixing plate, and the piston rod of the hydraulic cylinder is fixedly connected to the sliding seat through the upper fixing plate;

The pressure riveting detection device includes a pressing cylinder, a plurality of displacement sensors, a lifting detection mechanism and a support block. The pressing cylinder is fixedly connected to the upper part of the lifting detection mechanism, and a plurality of displacement sensors are fixed to the pressing cylinder through a mounting plate. the side end; the support block is located just below the displacement sensor;

The foreign object detection device includes a support frame, a second pressing cylinder, an L-shaped slide plate and a profiling block located under the second pressing cylinder, and the cylinder seat of the second pressing cylinder is fixed to the support frame through a fixing piece. In the upper part, the L-shaped slide plate is slidably arranged on the side of the support frame, and the profiling block is detachably installed on the bottom of the L-shaped slide plate;

The marking and scanning device includes a coding machine, a code reader and a lifting support fixture. The lower ends of the coding machine, the code reader and the lifting support fixture are fixed on the worktable, and the lifting support fixture is located on the coding machine. The code reader is located on the front side of the printer; the bottom of the lifting support fixture is provided with a rotating cylinder;

The cleaning device includes a blowing mechanism and a dust suction mechanism, and the dust suction mechanism is located just below the blowing mechanism.

Preferably, the automatic feeding device includes two parallel discharging conveying lines and a converging conveying line perpendicular to the length direction of the discharging conveying line. The ends are connected; the discharge end of the convergent conveying line is erected on the workbench.

Preferably, a clamping and positioning mechanism is further provided on the worktable, and the clamping and positioning mechanism is located above the discharge end of the converging conveying line.

Preferably, the feeding device includes a pushing mechanism, a NG roller and a conveying line, the pushing mechanism and the NG are fixed on the left and right sides of the worktable and are arranged opposite to each other, and the feeding end of the conveying line is erected on the worktable, and Located between the pusher mechanism and the rear side of the NG roller.

Preferably, the pressure riveting detection device further includes a sensor, and the sensor is arranged beside the support block.

Compared with the prior art, the beneficial effects of the present invention are:

1. The automatic pressure riveting detection line of the rotor core of the present invention includes an automatic feeding device, a detection camera, a pressure riveting device, a pressure riveting detection device, a foreign object detection device, a marking and scanning device, a cleaning device and a blanking device. , Each process carries out appearance inspection, riveting inspection, foreign matter inspection of the product, and subsequent cleaning and screening. The entire inspection line has realized automatic operation, and each inspection process is closely connected without manual operation, which improves work efficiency.

2. The automatic pressure riveting detection line of the rotor core of the present invention adopts the pressing cylinder and the lifting detection mechanism to control the proximity of the displacement sensor to improve the detection accuracy, and drives the displacement sensor away from the product through the pressing cylinder and the lifting detection mechanism. The probability of product collision with the displacement sensor.

3. In the automatic pressure riveting detection line of the rotor core of the present invention, the profiling block in the foreign object detection device is detachably connected with the sliding plate, the profiling block can be replaced according to different products, and foreign matter detection can be performed on products of different specifications, which improves the performance of the machine. Utilization and work efficiency.

Description of drawings

FIG. 1 is a top view of the automatic pressure riveting detection line of the rotor core of the present invention.

FIG. 2 is a partial perspective view of the automatic pressure riveting detection line of the rotor core of the present invention.

FIG. 3 is a schematic structural diagram of the automatic feeding device in FIG. 1 .

FIG. 4 is a schematic structural diagram of the pressure riveting device in FIG. 1 .

FIG. 5 is a schematic structural diagram of the pressure riveting detection device in FIG. 1 .

FIG. 6 is a schematic structural diagram of the foreign object detection device in FIG. 1 .

FIG. 7 is a schematic structural diagram of the marking and scanning device in FIG. 1 .

FIG. 8 is a schematic structural diagram of the cleaning device in FIG. 1 .

FIG. 9 is a schematic structural diagram of the feeding device in FIG. 1 .

Among them: automatic feeding device 1, pressure riveting device 2, detection camera 3, pressure riveting detection device 4, foreign object detection device 5, marking and scanning device 6, cleaning device 7, unloading device 8, camera fixing frame 9, Rotation adjustment mechanism 10, conveyance mechanism 11, clamping and positioning mechanism 12, discharge conveying line 13, meeting conveying line 14, pressing cylinder 15, displacement sensor 16, lifting detection mechanism 17, support block 18, sensor 19, product 20 , hydraulic cylinder 21, guide frame 22, pressure sensor 23, fixture 24, support frame 25, second pressing cylinder 26, profiling block 27, coding machine 28, code reader 29, lifting support fixture 30, rotation Air cylinder 31 , air blowing mechanism 32 , dust suction mechanism 33 , pushing mechanism 34 , NG roller 35 , conveying line 36 .

Detailed ways

Referring to Figures 1 to 9, the present invention relates to an automatic pressure riveting detection line for a rotor core and a detection process thereof. The process steps are:

Step 1; Loading: The high-speed stamping machine punches the product until it falls and then pushes it out, and the two discharge conveying lines meet the product on the meeting conveying line;

Step 2; camera detection: the detection camera detects the position of the product, the rotation adjustment mechanism starts to rotate and adjust to the required position, and the detection camera detects the product;

Step 3; Riveting pressure: the piston rod of the hydraulic cylinder extends and applies 30T pressure to drive the pressure sensor to move down, and the pressure sensor detects the product pressure;

Step 4; Measure: press the cylinder down by 25T to make the displacement sensor move down, and the displacement sensor detects the thickness of the product;

Step 5; Foreign object detection: the piston rod of the second pressing cylinder is pressed down by 25T, and the profiling block is pushed down, and the profiling block is lowered to detect whether there is foreign matter;

Step 6; coding: the rotating cylinder rotates 180 degrees and pushes the lifting support fixture to rise, the product is put into the coding machine, and the coding machine prints the two-dimensional code and the clear code;

Step 7; code reading: after the code is printed, the code reader reads the product code;

Step 8: Cleaning: the blowing mechanism in the cleaning device blows air on the product, and the dust-absorbing mechanism vacuums the product;

Step 9; Unloading: During NG, the pushing mechanism pushes the product onto the NG roller, and when it is qualified, the handling mechanism pushes the product onto the conveying line.

The above detection process is based on the automatic pressure riveting detection line of the rotor iron core. The pressure riveting detection line includes an automatic feeding device 1, a detection camera 3, a pressure riveting device 2, a pressure riveting detection device 4, and a foreign body arranged in sequence from front to back. Detection device 5, marking and scanning device 6, cleaning device 7 and blanking device 8; the detection camera 3, pressure riveting device 2, pressure riveting detection device 4, foreign object detection device 5, marking and scanning device 6 and the cleaning device 7 are all arranged on the workbench;

The automatic feeding device 1 includes two parallel discharge conveying lines 13 and a converging conveying line 14 perpendicular to the length direction of the discharging conveying line 13. The discharging end of the discharging conveying line 13 is connected to the converging conveying line 14. The feed end of the said converging conveying line 14 is erected on the workbench; the lower end of the detection camera 3 is fixedly connected with a camera fixing frame 9, and the lower end of the camera fixing frame 9 is fixedly connected to the workbench The lower side of the detection camera 3 is provided with a rotation adjustment mechanism 10, and the lower end of the rotation adjustment mechanism 10 is fixedly connected to the worktable; the worktable is also provided with a transport mechanism 11, which is elongated from front to back. It is worn between the detection camera 3, the pressure riveting device 2, the pressure riveting detection device 4, the foreign object detection device 5, the marking and scanning device 6 and the cleaning device 7, and the transport mechanism 11 is used to transport products between adjacent devices 20; There is also a clamping and positioning mechanism 12 on the worktable, and the clamping and positioning mechanism 12 is located above the discharge end of the converging conveying line 14; the high-speed stamping machine punches the product 20 until it falls and then pushes out, and the two discharge conveying lines 13 Converge the product 20 on the converging conveying line 14, the converging conveying line 14 conveys the product 20 to the clamping and positioning mechanism 12, the conveying mechanism 11 conveys the product 20 to the inspection position of the inspection camera 3, and the inspection camera 3 detects the position of the product , the rotation adjustment mechanism 10 starts to rotate and adjust to the required position, and the detection camera 3 detects the product 20 .

The riveting device 2 includes a hydraulic cylinder 21, a guide frame 22, a pressure sensor 23 and a fixture 24. The top and bottom of the guide frame 22 are respectively fixed with an upper fixing plate and a lower fixing plate. A sliding seat is slidably installed, the cylinder seat of the hydraulic cylinder 21 is fixedly connected to the upper end of the upper fixing plate, the pressure sensor 23 is fixedly installed on the upper end of the sliding seat, the fixture 24 is arranged on the lower fixing plate, and the piston rod of the hydraulic cylinder 21 passes through The upper fixing plate is fixedly connected with the sliding seat; the conveying mechanism 11 transports the product 20 to the fixture 24, the riveting device 2 starts to riveting, and the hydraulic cylinder 21 drives the sliding seat to drive the pressure sensor 23 to move down, and the pressure sensor 23 pairs Product 20 pressure is detected.

The pressure riveting detection device 4 includes a pressing cylinder 15, a plurality of displacement sensors 16, a lifting detection mechanism 17, a support block 18 and a sensor 19, and the lower ends of the lifting detection mechanism 17 and the sensor 19 are fixedly connected to the workbench; The pressing cylinder 15 is fixedly connected to the upper part of the lifting detection mechanism 17, and a plurality of displacement sensors 16 are fixed on the side end of the pressing cylinder 15 through the mounting plate; the support block 18 is located directly under the displacement sensor 16, and the bottom of the support block 18 passes through The fixing piece is fixed on the worktable; the sensor 19 is located next to the support block 18 and is used to detect the position of the product 20; the transport mechanism 11 transports the product 20 to the upper end of the support block 18, the displacement sensor 16 detects the height of the product 20, and the lifting detection The mechanism 17 drives the pressing cylinder 15 to move down, and the pressing cylinder 15 presses down to make the displacement sensor 16 move downward. When the displacement sensor 16 moves downwards close to the product 20, the detection work is performed. The difference between the upper and lower displacements is the thickness of the product 20. After the data is collected, the jacking detection mechanism 17 drives the pressing cylinder 15 to rise.

The foreign object detection device 5 includes a support frame 25, a second pressing cylinder 26, an L-shaped slide plate and a profiling block 27 located under the second pressing cylinder 26, and the cylinder seat of the second pressing cylinder 26 is fixed by The parts are fixed on the upper part of the support frame 25, the L-shaped slide plate is slidably arranged on the side of the support frame 25, and the profiling block 27 is detachably installed on the bottom of the L-shaped slide plate; the transport mechanism 11 transports the product to the bottom of the profiling block 27, The piston rod of the second pressing cylinder 26 pushes the L-shaped slide plate to press down, and the L-shaped slide plate drives the profiling block 27 at its lower end to press down, and the profiling block 27 descends to check whether it can be lowered to the right position. The shaped blocks 27 can be quickly replaced by using transition plates and positioning pins for quick replacement. By replacing different copying blocks 27 , products 20 of different specifications can be detected.

The marking and scanning device 6 includes a coding machine 28, a code reader 29, and a lifting support fixture 30. The lower ends of the coding machine 28, the code reader 29 and the lifting support fixture 30 are fixed on the workbench, and the lower ends of the lifting support fixture 30 can be lifted and lowered. The support jig 30 is located directly under the coding machine 28, and the code reader 29 is located on the front side of the coding machine 28; the bottom of the lifting support jig 30 is provided with a rotating cylinder 31, and the piston rod of the rotating cylinder 31 is controlled by telescopic control The lifting support fixture 30 is lifted and lowered; the transport mechanism 11 transports the product 20 to the coding position, the rotating cylinder 31 rotates 180 degrees and pushes the lifting support fixture 30 to rise, the product 20 is put into the coding machine 28, and the coding machine 28 The two-dimensional code and the clear code are started to be printed, and the code reader 29 reads the code of the product 20 after the code is printed.

The cleaning device 7 includes an air blowing mechanism 32 and a dust collection mechanism 33, and the dust collection mechanism 33 is located directly below the air blow mechanism 32; the transport mechanism 11 transports the product 20 to a cleaning position above the dust collection mechanism 33, and the air blow mechanism 32 It descends to blow air, and the cleaning mechanism 33 performs cleaning.

The unloading device 8 includes a pushing mechanism 34, a NG roller 35 and a conveying line 36. The pushing mechanism 34 and the NG are fixed on the left and right sides of the worktable and are arranged opposite to each other, and the feeding end of the conveying line 36 is erected on the worktable. If it is NG, the pushing mechanism 34 will push the product 20 onto the NG roller 35, and if it is qualified, the conveying mechanism 11 will push the product 20 into the NG roller 35. On the conveying line 36, after the conveying line 36 conveys the products 20 in place, the products 20 are manually packed into boxes.

The working principle of the automatic pressure riveting detection line for the rotor core of the present invention is as follows: firstly, the high-speed punching machine punches the product 20 to the point of dropping and then pushes it out, and the two discharge conveying lines 13 meet the product 20 on the meeting conveying line 14, and the products are conveyed together. The line 14 transports the product 20 to the clamping and positioning mechanism 12, the transport mechanism 11 transports the product 20 to the detection position of the detection camera 3, the detection camera 3 detects the position of the product, the rotation adjustment mechanism 10 starts to rotate and adjust to the required position, and the detection camera 3. Detect the product 20; then the transport mechanism 11 transports the product 20 to the jig 24, the riveting device 2 starts to riveting, and the hydraulic cylinder 21 drives the slide to drive the pressure sensor 23 to move down, and the pressure sensor 23 for the product. 20 pressure is detected; then the transport mechanism 11 transports the product 20 to the upper end of the support block 18, the displacement sensor 16 detects the height of the product 20, and the lifting detection mechanism 17 drives the depression cylinder 15 to move downward, and the depression cylinder 15 presses down so that The displacement sensor 16 moves downward. When the displacement sensor 16 approaches the product 20 downward, the detection work is performed. The difference between the upper and lower displacements is the thickness of the product 20. After collecting the data, the lifting detection mechanism 17 drives the pressing cylinder 15 to rise; then the conveying mechanism 11. Transport the product to the bottom of the profiling block 27, the piston rod of the second pressing cylinder 26 pushes the L-shaped slide plate to press down, the L-shaped slide plate drives the profiling block 27 at its lower end to press down, and the profiling block 27 descends to check whether it can be If it is lowered to the right position, it means that there is no foreign matter; the transport mechanism 11 transports the product 20 to the coding position, the rotary cylinder 31 rotates 180 degrees and pushes the lifting support fixture 30 to rise, the product 20 is put into the coding machine 28, and the printing The code machine 28 starts to print the two-dimensional code and the clear code. After the code is printed, the code reader 29 reads the code of the product 20; then the conveying mechanism 11 conveys the product 20 to the cleaning position above the vacuuming mechanism 33, and the air blowing mechanism 32 descends to blow When it is NG, the pushing mechanism 34 pushes the product 20 onto the NG roller 35, and if it is qualified, the conveying mechanism 11 pushes the product 20 onto the conveying line 36 for conveying. After line 36 has delivered product 20 into place, product 20 is manually boxed. The detection line realizes automatic detection without manual participation, and the various processes are closely connected and coordinated, and the work efficiency is high.

In addition: it should be noted that the above-mentioned specific embodiment is only an optimized solution of this patent, and any changes or improvements made by those skilled in the art according to the above-mentioned concept are all within the protection scope of this patent.

Claims (6)

1. the automatic pressure riveting detection technology of rotor core is characterized in that: described processing steps are: Step 1; Loading: The high-speed stamping machine punches the product until it falls and then pushes it out, and the two discharge conveying lines meet the product on the meeting conveying line; Step 2; camera detection: the detection camera detects the position of the product, the rotation adjustment mechanism starts to rotate and adjust to the required position, and the detection camera detects the product; Step 3; Riveting pressure: the piston rod of the hydraulic cylinder extends and applies 30T pressure to drive the pressure sensor to move down, and the pressure sensor detects the product pressure; Step 4; Measure: press the cylinder down by 25T to make the displacement sensor move down, and the displacement sensor detects the thickness of the product; Step 5; Foreign object detection: the piston rod of the second pressing cylinder is pressed down by 25T, and the profiling block is pushed down, and the profiling block is lowered to detect whether there is foreign matter; Step 6; coding: the rotating cylinder rotates 180 degrees and pushes the lifting support fixture to rise, the product is put into the coding machine, and the coding machine prints the two-dimensional code and the clear code; Step 7; code reading: after the code is printed, the code reader reads the product code; Step 8: Cleaning: the blowing mechanism in the cleaning device blows air on the product, and the dust-absorbing mechanism vacuums the product; Step 9; Unloading: During NG, the pushing mechanism pushes the product onto the NG roller, and when it is qualified, the handling mechanism pushes the product onto the conveying line. 2. The detection line used in the automatic pressure riveting detection process of the rotor core according to claim 1, characterized in that: it comprises an automatic feeding device (1) and a detection camera (3) arranged in sequence from front to back , pressure riveting device (2), pressure riveting detection device (4), foreign object detection device (5), marking and scanning device (6), cleaning device (7) and blanking device (8); the detection camera (3), the pressure riveting device (2), the pressure riveting detection device (4), the foreign object detection device (5), the marking and scanning device (6) and the cleaning device (7) are all arranged on the workbench; A camera fixing frame (9) is fixedly connected to the lower end of the detection camera (3), and the lower end of the camera fixing frame (9) is fixedly connected to the workbench; the lower side of the detection camera (3) is provided with a rotation adjustment mechanism ( 10), the lower end of the rotation adjustment mechanism (10) is fixedly connected to the workbench; the workbench is also provided with a transport mechanism (11), the transport mechanism (11) is elongated and passes through the detection camera (3) from front to back; ), the riveting device (2), the riveting detection device (4), the foreign object detection device (5), the marking and scanning device (6) and the cleaning device (7); The riveting device (2) includes a hydraulic cylinder (21), a guide frame (22), a pressure sensor (23) and a fixture (24), and the top and bottom of the guide frame (22) are respectively fixed with an upper fixed plate and lower fixing plate, a sliding seat is slidably installed in the middle of the outer wall of the guide frame (22), the cylinder seat of the hydraulic cylinder (21) is fixedly connected to the upper end of the upper fixing plate, and the pressure sensor (23) is fixedly installed on the upper end of the sliding seat, The fixture (24) is arranged on the lower fixing plate, and the piston rod of the hydraulic cylinder (21) is fixedly connected with the sliding seat through the upper fixing plate; The pressure riveting detection device (4) includes a pressing cylinder (15), a plurality of displacement sensors (16), a lifting detection mechanism (17) and a support block (18), and the pressing cylinder (15) is fixedly connected to the top. On the upper part of the lift detection mechanism (17), a plurality of displacement sensors (16) are fixed on the side end of the pressing cylinder (15) through the mounting plate; the support block (18) is located directly below the displacement sensor (16); The foreign object detection device (5) includes a support frame (25), a second pressing cylinder (26), an L-shaped sliding plate and a profiling block (27) located below the second pressing cylinder (26), and the The cylinder seat of the second lowering cylinder (26) is fixed on the upper part of the support frame (25) by the fixing piece, the L-shaped sliding plate is slidably arranged on the side of the support frame (25), and the copy block (27) is detachably installed on the L-shaped the bottom of the skateboard; The marking and scanning device (6) comprises a coding machine (28), a code reader (29), a lifting support fixture (30), a coding machine (28), a code reader (29) and a lifting support The lower end of the jig (30) is fixed on the workbench, the lifting support jig (30) is located on the right lower side of the coding machine (28), and the code reader (29) is located on the front side of the coding machine (28); A rotating cylinder (31) is arranged at the bottom of the lifting support fixture (30); The cleaning device (7) includes an air blowing mechanism (32) and a dust suction mechanism (33), and the dust suction mechanism (33) is located directly below the air blowing mechanism (32). 3 . The automatic pressure riveting detection line of the rotor core according to claim 2 , wherein the automatic feeding device ( 1 ) comprises two parallel discharging conveying lines ( 13 ), and The length direction of the material conveying line (13) is vertical to the meeting conveying line (14), and the discharging end of the discharging conveying line (13) is connected with the feeding end of the meeting conveying line (14). The discharge end is erected on the workbench. 4. The automatic pressure riveting detection line of the rotor core according to claim 2, characterized in that: a clamping and positioning mechanism (12) is further provided on the worktable, and the clamping and positioning mechanism (12) is located at the meeting conveyor line (14) Above the discharge end. 5 . The automatic pressure riveting detection line of the rotor core according to claim 2 , wherein the feeding device ( 8 ) comprises a pushing mechanism ( 34 ), a NG roller ( 35 ) and a conveying line ( 36 ). 6 . , the pushing mechanism (34) and the NG are fixed on the left and right sides of the workbench and are oppositely arranged, and the feeding end of the conveying line (36) is erected on the workbench, and is located between the pushing mechanism (34) and the NG roller (35). ) between the rear sides. 6 . The automatic pressure riveting detection line of the rotor core according to claim 2 , wherein the pressure riveting detection device ( 4 ) further comprises a sensor ( 19 ), and the sensor ( 19 ) is arranged on the support block. 7 . (18).

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