Motor shaft full-automatic detection equipment and detection method thereof

Abstract

The present application belongs to the technical field of motor shaft detection, and particularly relates to a full-automatic motor shaft detection device and a detection method thereof. The full-automatic motor shaft detection device comprises a workbench, two optical detectors moving through a two-dimensional motion platform are arranged above the workbench, a turntable driven by a speed reducer is rotatably connected to the top of the workbench, and a lower conical block and a cylindrical block are rotatably connected to the turntable. The lower conical block and the cylindrical block are respectively adapted to place a motor shaft with a hole and a motor shaft without a hole, the motor shaft is clamped by a positioning clamp rod, the upper conical block extends into the top end of the motor shaft with a hole, and the upper conical block can be retracted when the rotating block presses the motor shaft without a hole, the rotating block drives the motor shaft to rotate, and at the same time, the two optical detectors move positions to detect the circumferential side of the motor shaft, the motor shaft is clamped by a turning clamp plate and is turned by 90 degrees to detect the end of the motor shaft, different types of motor shafts can be adapted, the circumferential side and the end of the motor shaft can be detected, and the device has good adaptability and high practicability.

Description

Technical Field

[0001] This invention belongs to the field of motor shaft detection technology, specifically relating to a fully automatic motor shaft detection device and its detection method. Background Technology

[0002] The motor shaft is a rotating component connecting the motor and the load. Its main function is to transmit the torque generated by the motor to the load, driving the load to rotate. The quality and precision of the motor shaft directly affect the performance and service life of the motor. Therefore, it is necessary to inspect parameters such as the length, diameter, roundness, cylindricity, surface roughness, and straightness of the motor shaft.

[0003] Existing motor shaft inspection equipment often employs optical inspection methods, such as interferometry. The detector receives light signals, converts them into electrical signals, and then performs calculations and data processing to derive the motor shaft parameters. Specifically, the motor shaft is placed on a rotating platform, and the optical detector inspects the circumference of the rotating shaft. However, this method has limitations:

[0004] (1) Some motor shafts have holes at the ends. The contact area between the ends of the motor shafts with holes and the rotating platform is small. Some motor shafts with holes have teeth at the ends. This makes it impossible for the motor shafts with holes to be stably positioned on the rotating platform. The motor shafts are unstable during rotation and are not suitable for testing such motor shafts with holes.

[0005] (2) Because the end of the motor shaft is in contact with the rotating platform, the end of the motor shaft is blocked, and the existing motor shaft detection equipment has difficulty detecting the end of the motor shaft.

[0006] Therefore, it is necessary to develop a fully automatic motor shaft detection device and its detection method that can adapt to different types of motor shafts and detect the circumference and end of the motor shaft, thereby solving the above problems. Summary of the Invention

[0007] In view of this, the present invention provides a fully automatic motor shaft detection device and its detection method.

[0008] The technical solution of the present invention is as follows: a fully automatic motor shaft detection device, comprising a worktable, two optical detectors that move via a two-dimensional motion platform are provided above the worktable, a turntable driven by a reduction motor is rotatably connected to the top of the worktable, a lower conical block and a cylindrical block are rotatably connected to the turntable, a moving frame that moves via a two-dimensional motion platform is provided above the worktable, a rotating block driven by a drive motor is rotatably connected to the bottom of the moving frame, an upper conical block that slides up and down is provided below the rotating block, a compression spring is connected between the upper conical block and the rotating block, a rotating frame is rotatably connected to the upper part of the moving frame, and two steering clamps driven by an electric push rod are slidably connected to the rotating frame.

[0009] As a preferred embodiment of the present invention, the steering clamps all have a V-shaped portion in the middle.

[0010] As a preferred technical solution of the present invention, the two-dimensional motion platform includes an electric slide rail, and two electric slide rails are connected to the top of the worktable. Electric slide rails are installed on the sliders of electric slide rails, and lifting frames are installed on the sliders of electric slide rails. Two optical detectors are respectively installed on the two lifting frames.

[0011] As a preferred technical solution of the present invention, the two-dimensional motion platform includes an electric slide rail three, the top of the worktable is connected to the electric slide rail three, a lifting seat is installed on the slider of the electric slide rail three, a slide rod one is slidably connected to the lifting seat, a moving frame is connected to the slide rod one, an electric push rod one is connected to the lifting seat, and the telescopic rod of the electric push rod one is connected to the moving frame.

[0012] As a preferred technical solution of the present invention, the fully automatic motor shaft detection equipment further includes a drive mechanism for driving the rotating frame to rotate. The drive mechanism includes a second reduction motor and a gear set. The second reduction motor is connected to the moving frame, and the output shaft of the second reduction motor is transmitted to the rotating frame through the gear set.

[0013] As a preferred embodiment of the present invention, the fully automatic motor shaft detection equipment further includes a positioning mechanism. The positioning mechanism includes a gearbox, which is connected to the worktable. Two rotating shafts with opposite rotation directions are rotatably connected to the gearbox. Each rotating shaft is connected to a rotating rod. A reduction motor is connected to the bottom of the gearbox. The output shaft of the reduction motor is connected to one of the rotating shafts. The two rotating shafts are driven by the gearbox. A pair of sliding rods are slidably connected to each rotating rod. A positioning clamp is connected between the ends of each pair of sliding rods. The sides of the two positioning clamps that are close to each other are V-shaped. A return spring is connected between the positioning clamp and the rotating rod.

[0014] As a preferred technical solution of the present invention, the fully automatic motor shaft detection equipment also includes a connecting plate. The top of the turntable is connected to the connecting plate, and a through hole for the cylindrical block to pass through is opened in the middle of the connecting plate. Two pairs of guide rods are connected to the connecting plate, and a placement clamp rod is slidably connected to each pair of guide rods. The sides of the two placement clamp rods that are close to each other are V-shaped. Two screws are rotatably connected to the connecting plate, and the two screws are threadedly connected to the two placement clamp rods respectively. A row of balls is provided on the sides of the two placement clamp rods that are close to each other.

[0015] A fully automatic method for detecting motor shafts includes the following steps:

[0016] S1: The two rotating rods rotate and open, placing the bottom end of the perforated motor shaft on the lower conical block. The two rotating rods reverse and retract. Under the action of the return spring, the two positioning clamps clamp the perforated motor shaft. The moving frame, rotating block and upper conical block move down. The upper conical block extends into the top of the perforated motor shaft. The bottom surface of the rotating block presses against the top surface of the perforated motor shaft. The positioning clamps no longer clamp the perforated motor shaft.

[0017] S2: The rotating block rotates, driving the perforated motor shaft and the lower conical block to rotate. At the same time, the two optical detectors move to detect parameters such as the appearance, length, roundness and cylindricity of the perforated motor shaft.

[0018] S3: The rotating block stops rotating, the positioning clamping rod clamps the perforated motor shaft, the moving frame rises to make the upper conical block leave the perforated motor shaft, the moving frame moves to a new position, and the electric push rod two controls the two steering clamping plates to clamp the perforated motor shaft. The bottom end of the perforated motor shaft leaves the lower conical block, the rotating frame, steering clamping plates and perforated motor shaft rotate 90 degrees, and the end of the perforated motor shaft is detected by two optical detectors.

[0019] S4: If the motor shaft is a holeless motor shaft, the turntable rotates 180 degrees to swap the positions of the lower conical block and the cylindrical block, placing the holeless motor shaft on the cylindrical block. The positioning clamp rod aligns the holeless motor shaft with the cylindrical block through the V-shaped side. When the rotating block presses against the top surface of the holeless motor shaft, the upper conical block retracts into the rotating block. With the cooperation of the moving frame, positioning clamp rod, optical detector, and steering clamp plate, the periphery and end of the holeless motor shaft are inspected.

[0020] Beneficial effects: 1. The lower conical block and cylindrical block are suitable for placing perforated motor shafts and non-perforated motor shafts, respectively. The motor shaft is clamped by the positioning clamp rod. The upper conical block extends into the top of the perforated motor shaft. When the rotating block presses down on the non-perforated motor shaft, the upper conical block can retract. The rotating block drives the motor shaft to rotate. At the same time, the two optical detectors move to detect the circumference of the motor shaft. The steering clamp clamps the motor shaft and rotates 90 degrees to detect the end of the motor shaft. It can adapt to different types of motor shafts and detect the circumference and end of the motor shaft. It has good adaptability and high practicality.

[0021] 2. After placing the perforated motor shaft on the cylindrical block, rotate the screw to bring the two placement clamps closer together until the ball bearings contact the surface of the perforated motor shaft. The ball bearings can limit the perforated motor shaft during rotation, preventing it from detaching from the cylindrical block and keeping it stably positioned on the cylindrical block. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0023] Figure 2 For the present invention Figure 1 A schematic diagram of the structure of the middle workbench after it has been cut open.

[0024] Figure 3 This is a schematic diagram of the optical detector, electric slide rail one, electric slide rail two, and lifting frame of the present invention.

[0025] Figure 4 This is a schematic diagram of the structure of the turntable, lower conical block, cylindrical block, moving frame, rotating block, rotating frame, steering clamp and positioning mechanism of the present invention.

[0026] Figure 5 This is a schematic diagram of the structure of the turntable, lower conical block, and cylindrical block of the present invention.

[0027] Figure 6 This is a schematic diagram of the structure of the moving frame, rotating block, drive motor, upper conical block, rotating frame and steering clamp of the present invention.

[0028] Figure 7 This is a partial cross-sectional view of the rotating block and the upper conical block of the present invention.

[0029] Figure 8 This is a schematic diagram of the structure of the rotating frame, the second reduction motor, the gear set, the steering clamp, and the second electric push rod of the present invention.

[0030] Figure 9 This is a schematic diagram of the positioning mechanism of the present invention.

[0031] Figure 10 This is a schematic diagram of the structure of the connecting plate, guide rod, clamping rod, ball bearings, and screw of the present invention.

[0032] Wherein: 1-Workbench, 2-Optical detector, 201-Perforated motor shaft, 202-Perforated motor shaft, 21-Electric slide rail one, 22-Electric slide rail two, 23-Lifting frame, 3-Turntable, 31-Reduction motor one, 4-Lower conical block, 5-Cylindrical block, 6-Moving frame, 61-Electric slide rail three, 62-Lifting seat, 63-Electric push rod one, 64-Slide rod one, 7-Rotating block, 71-Drive motor 8-Upper conical block, 9-Rotating frame, 91-Second geared motor, 92-Gear set, 10-Steering clamp, 101-V-shaped part, 102-Second electric push rod, 111-Gearbox, 112-Rotating shaft, 113-Rotating rod, 114-Third geared motor, 115-Second slide rod, 116-Positioning clamp rod, 121-Connecting plate, 122-Guide rod, 123-Placement clamp rod, 124-Ball bearing, 125-Screw. Detailed Implementation

[0033] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments, but this is not intended to limit the present invention.

[0034] Example 1: A fully automatic motor shaft inspection device, reference Figures 1-9The system includes a worktable 1, an optical detector 2, a turntable 3, a geared motor 31, a lower conical block 4, a cylindrical block 5, a moving frame 6, a rotating block 7, a drive motor 71, an upper conical block 8, a rotating frame 9, a steering clamp 10, and an electric push rod 102. The worktable 1 has a two-dimensional motion platform 1 and a two-dimensional motion platform 2. Two optical detectors 2, which move via the two-dimensional motion platform 1, are located above the worktable 1. The structure and detection principle of the optical detectors 2 are existing technologies. The turntable 3 is rotatably connected to the top of the worktable 1. A geared motor 31 is bolted inside the worktable 1, and the output shaft of the geared motor 31 is connected to the turntable 3. A lower conical block 4 and a cylindrical block 5 are rotatably connected to the turntable 3. The lower conical block 4 and the cylindrical block 5 are respectively suitable for placing a perforated motor shaft 201 and a non-perforated motor shaft 201. The motor shaft 202 is located above the worktable 1. A movable frame 6 is moved by a two-dimensional motion platform 2. A rotating block 7 is rotatably connected to the bottom of the movable frame 6. A drive motor 71 is bolted to the movable frame 6. The output shaft of the drive motor 71 is connected to the rotating block 7. An upper conical block 8 that slides up and down is provided at the lower part of the rotating block 7. A compression spring is fixedly connected between the upper conical block 8 and the rotating block 7. A rotating frame 9 is rotatably connected to the upper part of the movable frame 6. Two steering clamps 10 are slidably connected to the rotating frame 9. Two electric push rods 102 are connected to the rotating frame 9. The telescopic rods of the two electric push rods 102 are respectively connected to the two steering clamps 10. Each steering clamp 10 has a V-shaped part 101 in the middle. The steering clamp 10 can adapt to and clamp motor shafts of different thicknesses through the V-shaped part 101.

[0035] refer to Figure 2 and Figure 3 The two-dimensional motion platform includes an electric slide rail 1 21, an electric slide rail 22, and a lifting frame 23. Two electric slide rails 1 21 are connected to the rear top of the worktable 1. Electric slide rails 22 are installed on the sliders of electric slide rails 1 21. Lifting frames 23 are installed on the sliders of electric slide rails 22. Two optical detectors 2 are installed on the two lifting frames 23 respectively.

[0036] refer to Figure 2 and Figure 4 The two-dimensional motion platform includes an electric slide rail 61, a lifting seat 62, an electric push rod 63, and a slide rod 64. The electric slide rail 61 is connected to the rear top of the worktable 1. The lifting seat 62 is installed on the slider of the electric slide rail 61. Four slide rods 64 are slidably connected to the lifting seat 62. The moving frame 6 is connected to the four slide rods 64. The electric push rod 63 is bolted to the lifting seat 62. The telescopic rod of the electric push rod 63 is connected to the moving frame 6.

[0037] refer to Figure 6 and Figure 8The fully automatic motor shaft detection equipment also includes a drive mechanism for driving the rotating frame 9 to rotate. The drive mechanism includes a second geared motor 91 and a gear set 92. The second geared motor 91 is bolted to the top of the moving frame 6. The output shaft of the second geared motor 91 is transmitted to the rotating frame 9 through the gear set 92.

[0038] refer to Figure 1 , Figure 2 , Figure 4 and Figure 9 The fully automatic motor shaft detection equipment also includes a positioning mechanism, which comprises a gearbox 111, a rotating shaft 112, a rotating rod 113, a third geared motor 114, a second slide rod 115, and a positioning clamping rod 116. The gearbox 111 is connected to the worktable 1, and two rotating shafts 112 with opposite rotation directions are rotatably connected to the gearbox 111. A rotating rod 113 is fixedly connected to each rotating shaft 112. The third geared motor 114 is bolted to the bottom of the gearbox 111, and the output shaft of the third geared motor 114... Connected to the left rotating shaft 112, the internal structure of the gearbox 111 is existing technology. The gearbox 111 functions as a transmission device. The two rotating shafts 112 are driven through the gearbox 111. A pair of slide rods 115 are slidably connected to each rotating rod 113. A positioning clamp rod 116 is fixedly connected between the ends of each pair of slide rods 115. The sides of the two positioning clamp rods 116 that are close to each other are V-shaped. A return spring is fixedly connected between the positioning clamp rod 116 and the rotating rod 113.

[0039] The method for moving the position of the optical detector 2 is as follows: control the electric slide rail 21 to move the electric slide rail 22, the lifting frame 23 and the optical detector 2 left and right, and control the electric slide rail 22 to move the lifting frame 23 and the optical detector 2 up and down. Thus, through the cooperation of the electric slide rail 21 and the electric slide rail 22, the optical detector 2 can move in both the left and right and up and down directions.

[0040] The method for moving the position of the movable frame 6 is as follows: control the electric slide rail 3 61 to make the lifting seat 62, electric push rod 1 63 and movable frame 6 move up and down, control the extension rod of electric push rod 1 63 to extend or shorten, and make the slide rod 1 64 and movable frame 6 move back and forth. Thus, through the cooperation of electric slide rail 3 61 and electric push rod 1 63, the movable frame 6 can move in the up and down direction and the back and forth direction.

[0041] The rotation method of the rotating rod 113 is as follows: control the reduction motor 3 114 to drive the left rotating shaft 112 to rotate 90 degrees clockwise. Under the transmission action of the gearbox 111, the right rotating shaft 112 is driven to rotate 90 degrees counterclockwise. This causes the rotating rod 113, the slide rod 2 115, and the positioning clamp rod 116 to rotate together around the rotating shaft 112. At this time, the two rotating rods 113 open in a direction away from each other. Conversely, control the reduction motor 3 114 to drive the left rotating shaft 112 to rotate 90 degrees counterclockwise and the right rotating shaft 112 to rotate 90 degrees clockwise. The rotating rod 113, the slide rod 2 115, and the positioning clamp rod 116 rotate in reverse around the rotating shaft 112. The two rotating rods 113 then rotate and retract in a direction closer to each other.

[0042] When the perforated motor shaft 201 is being inspected, the control geared motor 3 114 causes the two rotating rods 113 to rotate and open, placing the bottom end of the perforated motor shaft 201 on the lower conical block 4. The lower conical block 4 extends into the bottom end of the perforated motor shaft 201, and the two rotating rods 113 retract. The perforated motor shaft 201 presses against the two positioning clamping rods 116, compressing the return spring. Under the elastic force of the return spring, the two positioning clamping rods 116 clamp the perforated motor shaft 201. The moving frame 6 moves downward, causing the rotating block 7 and the upper conical block 8 to move downward together until the upper conical block 8 extends into the top of the perforated motor shaft 201, and the bottom surface of the rotating block 7 presses against the top surface of the perforated motor shaft 201. The two rotating rods 113 then reverse and open again, so that the positioning clamping rods 116 no longer clamp the perforated motor shaft 201, and the positioning clamping rods 116 will not hinder the subsequent inspection of the perforated motor shaft 201 by the optical detector 2.

[0043] Then, the drive motor 71 drives the rotating block 7 to rotate. Since the lower conical block 4 can rotate on the turntable 3, the bottom surface of the rotating block 7 presses against the top surface of the perforated motor shaft 201. The rotating block 7 will drive the perforated motor shaft 201 and the lower conical block 4 to rotate together. While the perforated motor shaft 201 is rotating, the two optical detectors 2 move in the vertical and horizontal directions and the front and back directions. The optical detectors 2 detect parameters such as the length, diameter, roundness, cylindricity, surface roughness and straightness of the perforated motor shaft 201.

[0044] When the rotating block 7 stops rotating, the two positioning clamping rods 116 clamp the perforated motor shaft 201. The moving frame 6, rotating block 7, and upper conical block 8 rise, and the upper conical block 8 leaves the perforated motor shaft 201. The moving frame 6 moves in the vertical and horizontal directions, causing the two steering clamping plates 10 to move to the left and right sides of the middle of the perforated motor shaft 201. The telescopic rod of the electric push rod 102 is extended, and the two steering clamping plates 10 clamp the perforated motor shaft 201. The moving frame 6 moves upward, causing the steering clamping plates 10 and the perforated motor shaft 201 to move upward, so that the bottom end of the perforated motor shaft 201 leaves the lower conical block 4. Under the transmission action of the gear set 92, the reduction motor 91 is controlled to rotate the rotating frame 9 by 90 degrees, causing the steering clamping plates 10 and the perforated motor shaft 201 to rotate by 90 degrees, so that the perforated motor shaft 201 becomes a horizontal state. At this time, the end of the perforated motor shaft 201 can be detected by the two optical detectors 2.

[0045] When it is necessary to inspect the perforated motor shaft 202, the control geared motor 31 drives the turntable 3 to rotate 180 degrees, so that the positions of the lower conical block 4 and the cylindrical block 5 are interchanged, and the perforated motor shaft 202 is placed on the cylindrical block 5. When the positioning clamp 116 clamps the perforated motor shaft 202, the positioning clamp 116 can make the perforated motor shaft 202 and the cylindrical block 5 centered through the V-shaped side, avoiding the positional deviation of the perforated motor shaft 202, which is beneficial to subsequent inspection. The inspection method is the same as that of the perforated motor shaft 201. When the rotating block 7 presses on the top surface of the perforated motor shaft 202, the upper conical block 8 is squeezed and retracts into the rotating block 7, and the compression spring is compressed, thereby adapting to the perforated motor shaft 202. Then, with the cooperation of the moving frame 6, the positioning clamp 116, the optical detector 2 and the steering clamp 10, the periphery and end of the perforated motor shaft 202 can be inspected.

[0046] In this way, it can adapt to different types of motor shafts, and can detect not only the periphery of the motor shaft, but also the end of the motor shaft, which has good adaptability and high practicality.

[0047] A fully automatic method for detecting motor shafts includes the following steps:

[0048] S1: The two rotating rods 113 rotate and open, placing the bottom end of the perforated motor shaft 201 on the lower conical block 4. The two rotating rods 113 reverse and retract. Under the action of the return spring, the two positioning clamping rods 116 clamp the perforated motor shaft 201. The moving frame 6, the rotating block 7 and the upper conical block 8 move down. The upper conical block 8 extends into the top of the perforated motor shaft 201. The bottom surface of the rotating block 7 presses against the top surface of the perforated motor shaft 201. The positioning clamping rods 116 no longer clamp the perforated motor shaft 201.

[0049] S2: Rotating block 7 rotates, driving the perforated motor shaft 201 and lower conical block 4 to rotate. At the same time, the two optical detectors 2 move to detect parameters such as appearance, length, roundness and cylindricity of the perforated motor shaft 201.

[0050] S3: Rotating block 7 stops rotating, positioning clamp rod 116 clamps the perforated motor shaft 201, moving frame 6 rises to make upper conical block 8 leave the perforated motor shaft 201, moving frame 6 moves position, controlling electric push rod 102 to make two steering clamping plates 10 clamp the perforated motor shaft 201, the bottom end of the perforated motor shaft 201 leaves the lower conical block 4, rotating frame 9, steering clamping plate 10 and perforated motor shaft 201 rotate 90 degrees, and the end of the perforated motor shaft 201 is detected by two optical detectors 2;

[0051] S4: If the motor shaft is a holeless motor shaft 202, the turntable 3 rotates 180 degrees to swap the positions of the lower conical block 4 and the cylindrical block 5, placing the holeless motor shaft 202 on the cylindrical block 5. The positioning clamp 116 uses the V-shaped side to center-align the holeless motor shaft 202 with the cylindrical block 5. When the rotating block 7 presses against the top surface of the holeless motor shaft 202, the upper conical block 8 retracts into the rotating block 7. With the cooperation of the moving frame 6, the positioning clamp 116, the optical detector 2, and the steering clamp 10, the periphery and end of the holeless motor shaft 202 are inspected.

[0052] Example 2: Based on Example 1, refer to Figure 1 , Figure 2 , Figure 4 and Figure 10 It also includes a connecting plate 121, guide rods 122, placement clamps 123, balls 124, and screws 125. The top of the turntable 3 is fixedly connected to the connecting plate 121. The connecting plate 121 has a through hole in the middle for the cylindrical block 5 to pass through. Two pairs of guide rods 122 are connected to the connecting plate 121. Each pair of guide rods 122 is slidably connected to a placement clamp 123. The sides of the two placement clamps 123 that are close to each other are V-shaped to accommodate motor shafts of different thicknesses. Two screws 125 are rotatably connected to the connecting plate 121. The two screws 125 are threadedly connected to the two placement clamps 123 respectively. A row of balls 124 is provided on the sides of the two placement clamps 123 that are close to each other. The balls 124 reduce the friction force experienced by the holeless motor shaft 202 during rotation.

[0053] After the perforated motor shaft 202 is placed on the cylindrical block 5, the two screws 125 are manually rotated. Under the action of the threaded connection, the two placement clamps 123 slide along the guide rod 122. The two placement clamps 123 move closer to each other until the ball bearing 124 contacts the surface of the perforated motor shaft 202. When the rotating block 7 drives the perforated motor shaft 202 and the cylindrical block 5 to rotate, the ball bearing 124 can rotate under the action of friction, thereby limiting the perforated motor shaft 202 during the rotation process, preventing the perforated motor shaft 202 from falling off the cylindrical block 5, so that the perforated motor shaft 202 is stably located on the cylindrical block 5, and does not affect the detection of the perforated motor shaft 202 by the optical detector 2.

[0054] Those skilled in the art should understand that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by equivalent substitution or equivalent transformation fall within the protection scope of the present invention.

Claims

1. A fully automatic motor shaft inspection device, comprising a worktable (1), wherein two optical detectors (2) are disposed above the worktable (1) and moved via a two-dimensional motion platform, characterized in that, The top of the workbench (1) is rotatably connected to a turntable (3) driven by a reduction motor (31). A lower conical block (4) and a cylindrical block (5) are rotatably connected to the turntable (3). A moving frame (6) that moves via a two-dimensional motion platform is provided above the workbench (1). A rotating block (7) driven by a drive motor (71) is rotatably connected to the bottom of the moving frame (6). An upper conical block (8) that slides up and down is provided at the bottom of the rotating block (7). A compression spring is connected between the upper conical block (8) and the rotating block (7). A rotating frame (9) is rotatably connected to the top of the moving frame (6). Two steering clamps (10) driven by an electric push rod (102) are slidably connected to the rotating frame (9). The two-dimensional motion platform includes an electric slide rail (21). The top of the workbench (1) is connected to two electric slide rails (21). Electric slide rails (22) are installed on the sliders of electric slide rails (21). Lifting frames (23) are installed on the sliders of electric slide rails (22). Two optical detectors (2) are installed on the two lifting frames (23) respectively. The two-dimensional motion platform includes electric slide rails (61). The top of the workbench (1) is connected to electric slide rails (61). Lifting seats (62) are installed on the sliders of electric slide rails (61). Sliding rods (64) are slidably connected to the lifting seats (62). The moving frame (6) is connected to the sliding rods (64). Electric push rods (63) are connected to the lifting seats (62). The telescopic rods of electric push rods (63) are connected to the moving frame (6).

2. The fully automatic motor shaft detection device as described in claim 1, characterized in that, The steering clamp (10) has a V-shaped part (101) in the middle.

3. The fully automatic motor shaft detection device as described in claim 2, characterized in that, The fully automatic motor shaft detection equipment also includes a drive mechanism for driving the rotating frame (9) to rotate. The drive mechanism includes a second geared motor (91) and a gear set (92). The second geared motor (91) is connected to the moving frame (6). The output shaft of the second geared motor (91) is transmitted to the rotating frame (9) through the gear set (92).

4. The fully automatic motor shaft detection device as described in claim 3, characterized in that, The fully automatic motor shaft detection equipment also includes a positioning mechanism, which includes a gearbox (111). The gearbox (111) is connected to the worktable (1). Two rotating shafts (112) with opposite rotation directions are rotatably connected to the gearbox (111). Rotating rods (113) are connected to the rotating shafts (112). A reduction motor (114) is connected to the bottom of the gearbox (111). The output shaft of the reduction motor (114) is connected to one of the rotating shafts (112). The two rotating shafts (112) are driven by the gearbox (111). A pair of sliding rods (115) are slidably connected to the rotating rods (113). A positioning clamp (116) is connected between the ends of each pair of sliding rods (115). The sides of the two positioning clamps (116) that are close to each other are V-shaped. A return spring is connected between the positioning clamp (116) and the rotating rod (113).

5. The fully automatic motor shaft detection device as described in claim 4, characterized in that, The fully automatic motor shaft detection equipment also includes a connecting plate (121). The top of the turntable (3) is connected to the connecting plate (121). The middle of the connecting plate (121) has a through hole for the cylindrical block (5) to pass through. Two pairs of guide rods (122) are connected to the connecting plate (121). Each pair of guide rods (122) is slidably connected to a placement clamp rod (123). The two placement clamp rods (123) are V-shaped on the side that is close to each other. Two screws (125) are rotatably connected to the connecting plate (121). The two screws (125) are threadedly connected to the two placement clamp rods (123) respectively. A row of balls (124) is provided on the side that is close to each other of the two placement clamp rods (123).

6. A fully automatic motor shaft detection method, based on the fully automatic motor shaft detection equipment described in claim 5, characterized in that, Specifically, the following steps are included: S1: The two rotating rods (113) rotate and open, placing the bottom end of the perforated motor shaft (201) on the lower conical block (4). The two rotating rods (113) reverse and retract. Under the action of the return spring, the two positioning clamping rods (116) clamp the perforated motor shaft (201). The moving frame (6), rotating block (7) and upper conical block (8) move down. The upper conical block (8) extends into the top of the perforated motor shaft (201). The bottom surface of the rotating block (7) presses against the top surface of the perforated motor shaft (201). The positioning clamping rods (116) no longer clamp the perforated motor shaft (201). S2: The rotating block (7) rotates, driving the perforated motor shaft (201) and the lower conical block (4) to rotate. At the same time, the two optical detectors (2) move to detect the appearance, length, roundness and cylindricity of the perforated motor shaft (201). S3: The rotating block (7) stops rotating, the positioning clamp (116) clamps the perforated motor shaft (201), the moving frame (6) rises so that the upper conical block (8) leaves the perforated motor shaft (201), the moving frame (6) moves to a new position, and the electric push rod (102) controls the two steering plates (10) to clamp the perforated motor shaft (201), the bottom end of the perforated motor shaft (201) leaves the lower conical block (4), the rotating frame (9), the steering plates (10) and the perforated motor shaft (201) rotate 90 degrees, and the end of the perforated motor shaft (201) is detected by two optical detectors (2); S4: If the motor shaft is a holeless motor shaft (202), the turntable (3) rotates 180 degrees to swap the positions of the lower conical block (4) and the cylindrical block (5), and the holeless motor shaft (202) is placed on the cylindrical block (5). The positioning clamp (116) aligns the holeless motor shaft (202) with the cylindrical block (5) through the V-shaped side. When the rotating block (7) presses against the top surface of the holeless motor shaft (202), the upper conical block (8) retracts into the rotating block (7). With the cooperation of the moving frame (6), the positioning clamp (116), the optical detector (2), and the steering clamp (10), the periphery and end of the holeless motor shaft (202) are detected.

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