A motor rotor cover pressing and testing device

Abstract

This invention discloses a motor rotor cover pressing and testing device, comprising: an adhesive pressing assembly, including a pressing unit and an adhesive application unit, the pressing unit including a pushing structure and a fixing structure, the adhesive application unit being used to apply adhesive to the inner walls of the upper and lower cover, which are clamped and rotated by the pushing structure; and a testing assembly, including a clamping unit, a pull-out testing unit, and a coaxiality testing unit, the clamping unit being able to clamp and fix both ends of the motor rotor along a first direction and control its rotation, the pull-out testing unit being used to test the axial strength of the upper and lower cover mounted on the motor rotor, and the coaxiality testing unit being used to test the coaxiality of the upper and lower cover. This invention can solve the problem that traditional pressing and testing methods use separate adhesive application, pressing, and testing equipment, which have positioning errors introduced by manual operation or equipment conversion, affecting the coaxiality and bonding strength consistency between the cover and the rotor.

Description

Technical Field

[0001] This invention relates to the field of motor technology, and more specifically to a device for pressing and testing a motor rotor cover. Background Technology

[0002] In the field of motor rotor cover assembly, traditional pressing and testing methods usually use separate gluing, pressing and testing equipment. The process requires multiple workpiece handling and positioning, which is inefficient, has a long production cycle, and is prone to positioning errors due to manual operation or equipment change, affecting the coaxiality of the cover and rotor and the consistency of the adhesive strength. Summary of the Invention

[0003] To overcome the above-mentioned shortcomings, the purpose of this invention is to provide a motor rotor cover pressing and testing device.

[0004] To achieve the above objectives, the technical solution adopted by the present invention includes:

[0005] An adhesive application and pressing assembly is used to install an upper housing and a lower housing on a motor rotor along a first direction. The adhesive application and pressing assembly includes a pressing unit and an adhesive application unit. The pressing unit includes a pushing structure for clamping and rotating the upper housing and the lower housing respectively, and a fixing structure for passing through the pushing structure and pressing and fixing both ends of the motor rotor together along the first direction. The adhesive application unit is used to apply adhesive liquid to the inner walls of the upper housing and the lower housing that are clamped and rotated by the pushing structure. The testing component is used for tensile testing of the axial strength of the upper and lower housings mounted on the motor rotor, and for testing the coaxiality of the upper and lower housings mounted on the motor rotor. The testing component includes a clamping unit, a pull-out testing unit, and a coaxiality testing unit. The clamping unit can clamp and fix both ends of the motor rotor along a first direction and control its rotation. The pull-out testing unit is used to test the axial strength of the upper and lower housings mounted on the motor rotor. The coaxiality testing unit is used to test the coaxiality of the upper and lower housings.

[0006] In the preferred embodiment of the above-mentioned motor rotor cover pressing and testing device, the pushing structure includes a first slide rail arranged along a first direction, a first support frame slidably arranged on the first slide rail, a turntable arranged on the first support frame and configured to rotate, and a first gripper cylinder arranged at the port of the turntable, wherein the turntable has a central hole for accommodating the upper or lower cover.

[0007] In the preferred embodiment of the above-mentioned motor rotor cover pressing and testing device, the fixing structure includes a first push rod arranged along a first direction. The first push rod is coaxial with the turntable and can pass through the center hole of the turntable to abut against the end of the motor rotor.

[0008] In the preferred embodiment of the above-mentioned motor rotor cover pressing and testing device, the glue application unit includes a glue dispensing head and a control module that controls the glue dispensing head to move along the X-axis, Y-axis or Z-axis. The control module can control the glue dispensing head to enter the inner side of the upper or lower cover that is held and rotated by the first gripper cylinder for glue application.

[0009] In the preferred embodiment of the above-mentioned motor rotor cover pressing and testing device, the clamping unit includes a second slide rail arranged along a first direction, a second support frame slidably arranged on the second slide rail, a rotary drive structure arranged on the second support frame, and a second push rod installed at the output end of the rotary drive structure; the second push rod is used to press against the end of the motor rotor and realize rotation control.

[0010] In the preferred technical solution of the above-mentioned motor rotor cover pressing and testing device, the pull-out test unit includes a first clamping structure and a second clamping structure arranged along a first direction. Both the first clamping structure and the second clamping structure include a third support frame that can move laterally along the first direction and a second gripper cylinder disposed on the third support frame. The second gripper cylinder is used to clamp the outer wall of the upper or lower cover.

[0011] In the preferred embodiment of the above-mentioned motor rotor cover press-fitting and testing device, the pull-out test unit further includes a tension and compression sensor connected to the third support frame.

[0012] In the preferred embodiment of the above-mentioned motor rotor cover pressing and testing device, the coaxiality testing unit includes a fourth support frame movable along a first direction and a contact displacement sensor disposed on the fourth support frame in a vertical direction. The contact displacement sensor is configured to be able to rise and fall relative to the fourth support frame to adjust the measurement height.

[0013] In the preferred embodiment of the above-mentioned motor rotor cover pressing and testing device, the end of the contact displacement sensor is rotatably mounted with a pressure roller via a rod, and the pressure roller is used to make rolling contact with the surface of the cover being tested.

[0014] In the preferred technical solution of the above-mentioned motor rotor cover pressing and testing device, a first lifting unit and a second lifting unit are also included; the first lifting unit is located at the processing station of the glue pressing assembly, and the second lifting unit is located at the testing station of the testing assembly; both the first lifting unit and the second lifting unit include a support platform, a carrier for supporting the motor rotor located on the support platform, and a power device for driving the support platform to move up and down in the vertical direction.

[0015] The beneficial effects of this invention are that, through the integrated design of the gluing and pressing assembly and the testing assembly, this application realizes the fully automated operation of the motor rotor cover from gluing and pressing to axial strength and coaxiality testing, effectively solving the problems of positioning cumulative error, low production efficiency and poor testing consistency caused by multiple equipment switching in traditional processes. Attached Figure Description

[0016] Figure 1 A schematic diagram showing the upper and lower housings mounted on the motor rotor; Figure 2 This is the front view of the upper casing; Figure 3 This is the front view of the lower housing; Figure 4 This is a front view of the glued and press-fitted assembly. Figure 5 A diagram showing the connection relationships between the pushing structure, the fixing structure, and the first lifting unit; Figure 6 This is the front view of the adhesive application unit; Figure 7 This is the front view of the first lifting unit; Figure 8 The main view of the detection component; Figure 9 This is a diagram showing the connection relationship between the clamping unit and the second lifting unit; Figure 10 A diagram showing the connection relationship between the pull-out test unit and the coaxiality test unit; Figure 11 To extract the main view of the test unit; Figure 12 This is the front view of the coaxiality test unit; In the diagram: Upper housing 101, lower housing 102, motor rotor 103, first frame 1, second frame 2, pressing unit 31, pushing structure 311, first slide rail 3111, first support frame 3112, turntable 3113, first gripper cylinder 3114, fixing structure 312, first push rod 3121, glue application unit 32, glue dispensing head 321, control module 322, clamping unit 41, second slide rail 411, second support frame 412, rotating... The components include: a rotary drive structure 413, a second push rod 414, a pull-out test unit 42, a first clamping structure 421, a third support frame 4211, a second gripper cylinder 4212, a second clamping structure 422, a tension / compression sensor 423, a coaxiality test unit 43, a fourth support frame 431, a contact displacement sensor 432, a pressure roller 433, a first lifting unit 51, a support platform 511, a carrier 512, a power unit 513, and a second lifting unit 52. Detailed Implementation

[0017] Preferred embodiments of the present invention will now be described with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are merely illustrative of the technical principles of the present invention and are not intended to limit the scope of protection of the present invention.

[0018] It should be noted that in the description of this invention, terms such as "upper," "lower," "left," "right," "front," and "rear," which indicate direction or positional relationships, are based on the direction or positional relationships shown in the accompanying drawings. These are used merely for ease of description and do not indicate or imply that the device or element must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0019] Furthermore, it should be noted that, in the description of this invention, unless otherwise explicitly specified and limited, the terms "set," "connected," and "linked" should be interpreted broadly, for example, referring to a fixed connection, a detachable connection, or an integral connection. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0020] like Figures 1 to 12 As shown, the motor rotor cover pressing and testing device of the present invention includes a first frame 1 and a second frame 2 arranged sequentially along a first direction, an adhesive pressing assembly disposed on the first frame 1, and a testing assembly disposed on the second frame 2. The first frame 1 has a processing station for installing the upper cover 101 and the lower cover 102 on the motor rotor 103, and the second frame 2 has a testing station for testing the circumferential installation strength and coaxiality of the upper cover 101 and the lower cover 102.

[0021] See Figures 1 to 4 , Figure 8 The adhesive application and pressing assembly is used to install the upper housing 101 and the lower housing 102 on the motor rotor 103 along the axial direction of the motor rotor 103. The adhesive application and pressing assembly includes a pressing unit 31 and an adhesive application unit 32. The pressing unit 31 includes a pushing structure 311 and a fixing structure 312. The pushing structure 311 has two sets and is respectively arranged on both sides of the processing station along the first direction. The two sets of pushing structures 311 can clamp and rotate the upper housing 101 and the lower housing 102 respectively. The fixing structure 312 has two sets and is respectively arranged on both sides of the inspection station along the first direction. The two sets of fixing structures 312 can pass through the pushing structure 311 and press the two ends of the motor rotor 103 together. The adhesive application unit 32 can apply adhesive to the inner walls of the upper housing 101 and the lower housing 102 clamped and rotated by the pushing structure 311.

[0022] See Figures 1 to 4 , Figure 8The testing assembly is used for tensile testing of the axial strength of the upper and lower housings 101 and 102 installed on the motor rotor 103, and for testing the coaxiality of the upper and lower housings 101 and 102 installed on the motor rotor 103. The testing assembly includes a clamping unit 41, a pull-out testing unit 42, and a coaxiality testing unit 43. The clamping unit 41 has two sets, respectively located on both sides of the testing station along a first direction. The two sets of clamping units 41 can clamp and fix the two ends of the motor rotor 103, on which the upper and lower housings 101 and 102 are installed, along the first direction and control its axial rotation. The pull-out testing unit 42 has two sets, one of which... One set of clamping units 41 is used to clamp and pull the upper cover 101 outward along the axis, and another set is used to clamp and pull the lower cover 102 outward along the axis. After the two ends of the motor rotor 103 are fixed by the clamping unit 41, the two sets of pulling test units 42 can simultaneously clamp the upper cover 101 and the lower cover 102 and move away from each other along the axis to test the axial strength of the upper cover 101 and the lower cover 102 mounted on the motor rotor 103. The coaxiality test unit 43 can selectively contact and press against the surface of the upper cover 101 or the lower cover 102 to test the coaxiality of the upper cover 101 or the lower cover 102 mounted on the motor rotor 103.

[0023] Specifically, when installing the upper cover 101 and the lower cover 102 onto the motor rotor 103 along the axial direction, the upper cover 101 and the lower cover 102 are first placed on two pushing structures 311 respectively. The two sets of pushing structures 311 are used to clamp and rotate the upper cover 101 and the lower cover 102 respectively. Then, the glue is evenly applied to the inner surfaces of the upper cover 101 and the lower cover 102 through the glue application unit 32. After that, the two ends of the motor rotor 103 are pressed and fixed along the first direction by the fixing structure 312 passing through the pushing structure 311. Then, the two sets of pushing structures 311 are controlled to move towards each other, so that the upper cover 101 is fitted in the first position of the motor rotor 103 and the lower cover 102 is fitted in the second position of the motor rotor 103.

[0024] Once the adhesive has cured, the installed motor rotor 103 can be tested. Specifically, the motor rotor 103 is moved to the testing station, and two sets of clamping units 41 are used to clamp and fix both ends of the motor rotor 103 along the first direction. Then, two sets of pull-out test units 42 clamp the outer walls of the upper housing 101 and the lower housing 102 respectively, controlling the two sets of pull-out test units 42 to move in opposite directions. When the two sets of pull-out test units 42 apply a preset pulling force to the upper housing 101 or the lower housing 102, and the upper housing 101 and the lower housing 102 do not detach from the motor rotor 103, it can be determined that the upper housing 101... The axial connection strength between the lower housing 102 and the motor rotor 103 meets the standard. When testing the coaxiality of the upper housing 101, the lower housing 102 and the motor rotor 103, the coaxiality testing unit 43 selectively abuts against the surface of the upper housing 101 or the lower housing 102, and the clamping unit 41 controls the motor rotor 103 to rotate so that the coaxiality testing unit 43 can test the outer surface path of the upper housing 101 and the lower housing 102. When the test value is within the normal range, it can be determined that the coaxiality of the upper housing 101, the lower housing 102 and the motor rotor 103 meets the standard.

[0025] In one or more embodiments, the pushing structure 311 includes a first slide rail 3111 arranged along a first direction, a first support frame 3112 slidably disposed on the first slide rail 3111, a turntable 3113 disposed on the first support frame 3112 and configured to rotate, and a first gripper cylinder 3114 disposed at the port of the turntable 3113, wherein the turntable 3113 has a central hole for receiving the upper shell cover 101 or the lower shell cover 102.

[0026] See Figure 4 , Figure 5 Two pushing structures 311 are arranged on both sides of the processing station on the first frame 1 along the first direction. The pushing structure 311 includes a first slide rail 3111, a first support frame 3112, a turntable 3113 and a first gripper cylinder 3114. The first support frame 3112 is slidably mounted on the first slide rail 3111. The first frame 1 is provided with a cylinder or screw module for pushing the first support member to move along the first slide rail 3111. The turntable 3113 is rotatably mounted on the first support frame 3112. The turntable 3113 can be controlled to rotate by a pulley module controlled by a servo motor. A central hole is opened through the middle of the turntable 3113. The central hole is used to accommodate the upper shell cover 101 or the lower shell cover 102. Several grippers of the first gripper cylinder 3114 arranged on the side wall of the turntable 3113 at the central hole can move towards the central hole to grip the upper shell cover 101 or the lower shell cover 102.

[0027] Specifically, when applying adhesive to the upper cover 101 and the lower cover 102, the upper cover 101 and the lower cover 102 are first installed in the center holes of the turntables 3113 of the two sets of pushing structures 311 respectively. Then, the first gripper cylinder 3114 clamps and fixes the outer wall of the upper cover 101 or the lower cover 102, controls the turntable 3113 to rotate, and the adhesive application unit 32 evenly applies the adhesive to the inner wall of the upper cover 101 and the lower cover 102. Afterward, the cylinder controls the first support frame 3112 to move toward the processing station, so that the upper cover 101 and the lower cover 102 can be respectively covered on the motor rotor 103 along the first direction.

[0028] In one or more embodiments, the fixing structure 312 includes a first push rod 3121 arranged along a first direction. The first push rod 3121 is coaxial with the turntable 3113 and can pass through the central hole of the turntable 3113 to abut against the end of the motor rotor 103.

[0029] See Figure 4 , Figure 5 The first push rod 3121 is conical at the end of the motor rotor 103; the first push rod 3121 is coaxial with the center hole of the turntable 3113, and the first push rod 3121 is controlled by a cylinder on the first frame 1 to move along the first direction.

[0030] When fixing the two ends of the motor rotor 103, the motor rotor 103 is placed in the processing station, and the two first push rods 3121 are controlled to move towards each other so that the two first push rods 3121 are respectively pressed against the two ends of the motor rotor 103, which has the characteristic of high fixing strength of the motor rotor 103.

[0031] In one or more embodiments, the glue application unit 32 includes a glue dispensing head 321 and a control module 322 for controlling the glue dispensing head 321 to move along the X-axis, Y-axis or Z-axis. The control module 322 can control the glue dispensing head 321 to enter the inner side of the upper shell 101 or lower shell 102 that is held and rotated by the first gripper cylinder 3114 for glue application. The glue application unit 32 also includes a glue box provided on the first frame 1, which is used to collect the glue dripped from the glue dispensing head 321.

[0032] See Figure 4 , Figure 6 The control module 322 can be a three-axis linear module or a robotic arm. The dispensing head 321 is connected to the glue tank through pipelines and a pump body, which can be a peristaltic pump or a pressure pump. When applying glue to the inner wall of the upper cover 101 or the lower cover 102, the control module 322 controls the dispensing head 321 to enter the interior of the upper cover 101 or the lower cover 102, and then the pump body pumps the glue into the dispensing head, so that the glue flows out and is evenly coated on the inner surface of the upper cover 101 or the lower cover 102.

[0033] In one or more embodiments, the clamping unit 41 includes a second slide rail 411 arranged along a first direction, a second support frame 412 slidably disposed on the second slide rail 411, a rotary drive structure 413 disposed on the second support frame 412, and a second push rod 414 mounted on the output end of the rotary drive structure 413; the second push rod 414 is used to press against the end of the motor rotor 103 and realize rotation control.

[0034] See Figure 8 , Figure 9 The second support frame 412 is slidably mounted on the second slide rail 411. The rotary drive structure 413 is mounted on the second support frame 412. The rotary drive structure 413 can be a servo motor. The second push rod 414 is mounted on the output end of the rotary drive structure 413. When clamping and fixing the motor rotor 103 after the upper shell 101 and lower shell 102 are installed and controlling its rotation, the motor rotor 103 is placed at the inspection station. The second support frame 412 is moved toward the inspection station by a cylinder, so that the two second push rods 414 can abut against both ends of the motor rotor 103, thereby achieving the abutment and fixing of the motor rotor 103. When controlling the rotation of the motor rotor 103, the rotary drive structure 413 is used to control the rotation of the second push rods 414, so that the second push rods 414 drive the motor rotor 103 to rotate.

[0035] In one or more embodiments, the pull-out test unit 42 includes a first clamping structure 421 and a second clamping structure 422 arranged along a first direction. Both the first clamping structure 421 and the second clamping structure 422 include a third support frame 4211 that can move laterally along the first direction and a second gripper cylinder 4212 disposed on the third support frame 4211. The second gripper cylinder 4212 is used to clamp the outer wall of the upper shell 101 or the lower shell 102.

[0036] See Figure 8 , Figure 9 , Figure 10 The first clamping structure 421 and the second clamping structure 422 are respectively arranged on both sides of the detection station along the first direction. The first clamping structure 421 and the second clamping structure 422 have the same structure. Both the first clamping structure 421 and the second clamping structure 422 include a third support frame 4211 and a second gripper cylinder 4212. The third support frame 4211 is controlled to move along the first direction by a cylinder, screw module or linear module provided on the second frame 2. The second gripper cylinder 4212 is controlled to rise and fall along the vertical direction by a cylinder provided on the third support frame 4211.

[0037] When testing the installation strength of the upper housing 101 and the motor rotor 103, and the installation strength of the lower housing 102 and the motor rotor 103, firstly, the third support frame 4211 is moved toward the testing station by a cylinder, so that the gripper of the second gripper cylinder 4212 is located outside the upper housing 101 or the lower housing 102. After the second gripper cylinder 4212 clamps the upper housing 101 or the lower housing 102, the third support frame 4211 is driven to move away from the testing station. When a predetermined pulling force is applied to the upper housing 101 or the lower housing 102 and the upper housing 101 or the lower housing 102 does not separate from the motor rotor 103, the product assembly is deemed qualified.

[0038] In one or more embodiments, the pull-out test unit 42 further includes a tension / compression sensor 423 connected to the third support frame 4211. See also Figure 2 One end of the tension / compression sensor 423 is connected to the second frame 2, and the other end is connected to the third support frame 4211. Before testing the upper cover 101 and the lower cover 102, the tension value corresponding to the movement position of the third support frame 4211 needs to be measured so that the tension on the third support frame 4211 can be released when the third support frame 4211 moves to the preset position. Specifically, the movement of the third support frame 4211 is controlled by a cylinder, so that the tension / compression sensor 423 detects the tension value of the third support frame 4211 at different positions, and then the above values ​​are recorded.

[0039] In one or more embodiments, the coaxiality testing unit 43 includes a fourth support frame 431 movable along a first direction and a contact displacement sensor 432 disposed on the fourth support frame 431 in a vertical direction. The contact displacement sensor 432 is configured to be able to rise and fall relative to the fourth support frame 431 to adjust the measurement height. A pressure roller 433 is rotatably mounted on the end of the contact displacement sensor 432 via a rod. The pressure roller 433 is used to make rolling contact with the surface of the housing being tested.

[0040] See Figure 8 , Figure 10 , Figure 12 A gantry frame is installed on the second frame 2. A fourth support frame 431 is mounted on the gantry frame via a linear module. The fourth support frame 431 is driven to move along the first direction by the linear module. A contact displacement sensor 432 is mounted on the fourth support frame 431 via a cylinder. By controlling the height of the bottom end of the contact displacement sensor 432 with the cylinder, it can be adapted to motor rotors 103 of different sizes, thus improving the applicability of the detection in this application. A pressure roller 433 is rotatably mounted on the bottom end of the contact displacement sensor 432. Through the rolling contact between the pressure roller 433 and the upper or lower housing 101 being measured, the resistance of the motor rotor 103 during rotation can be reduced.

[0041] When testing the coaxiality of the upper housing 101 and the motor rotor 103, and the coaxiality of the lower housing 102 and the motor rotor 103, the fourth support frame 431 is first moved towards the testing station so that the contact displacement sensor 432 is positioned directly above the upper housing 101. Then, the contact displacement sensor 432 is moved downward so that the pressure roller 433 contacts the surface of the upper housing 101. Subsequently, the motor rotor 103 is rotated by the clamping unit 41 so that the pressure roller 433 fully contacts the outer periphery of the upper housing 101 to test the coaxiality of the upper housing 101 and the motor rotor 103. After the test is completed, the fourth support frame 431 is moved laterally so that the contact displacement sensor 432 is positioned above the lower housing 102. The above operation is repeated to test the coaxiality of the lower housing 102 and the motor rotor 103. This method has the characteristics of high testing efficiency and high testing accuracy, and is practical.

[0042] In one or more embodiments, a first lifting unit 51 and a second lifting unit 52 are also included. The first lifting unit 51 is located at the processing station of the adhesive pressing assembly, and the second lifting unit 52 is located at the testing station of the testing assembly. Both the first lifting unit 51 and the second lifting unit 52 include a support platform 511, a carrier 512 located on the support platform 511 for supporting the motor rotor 103, and a power device 513 for driving the support platform 511 to rise and fall vertically. The power device 513 can be a cylinder. When controlling the motor rotor 103 at the processing station to rise between the two first push rods 3121, it is only necessary to use the power device 513 to control the support platform 511 to rise to a preset position, and then use the two first push rods 3121 to press against both ends of the motor rotor 103 to achieve the pressing and fixing of the motor rotor 103. Correspondingly, when controlling the motor rotor 103 to rise and fall at the testing station, it is only necessary to repeat the above operation.

[0043] The above embodiments are only for illustrating the technical concept and features of the present invention. Their purpose is to enable those skilled in the art to understand the content of the present invention and implement it. They should not be used to limit the scope of protection of the present invention. All equivalent changes or modifications made in accordance with the spirit and essence of the present invention should be covered within the scope of protection of the present invention.

Claims

1. A device for pressing and testing a motor rotor cover, characterized in that, include: An adhesive application and pressing assembly is used to install an upper housing and a lower housing on a motor rotor along a first direction. The adhesive application and pressing assembly includes a pressing unit and an adhesive application unit. The pressing unit includes a pushing structure for clamping and rotating the upper housing and the lower housing respectively, and a fixing structure for passing through the pushing structure and pressing and fixing both ends of the motor rotor together along the first direction. The adhesive application unit is used to apply adhesive liquid to the inner walls of the upper housing and the lower housing that are clamped and rotated by the pushing structure. The testing component is used for tensile testing of the axial strength of the upper and lower housings mounted on the motor rotor, and for testing the coaxiality of the upper and lower housings mounted on the motor rotor. The testing component includes a clamping unit, a pull-out testing unit, and a coaxiality testing unit. The clamping unit can clamp and fix both ends of the motor rotor along a first direction and control its rotation. The pull-out testing unit is used to test the axial strength of the upper and lower housings mounted on the motor rotor. The coaxiality testing unit is used to test the coaxiality of the upper and lower housings.

2. The motor rotor cover pressing and testing device according to claim 1, characterized in that: The pushing structure includes a first slide rail arranged along a first direction, a first support frame slidably disposed on the first slide rail, a turntable disposed on the first support frame and configured to rotate, and a first gripper cylinder disposed at the port of the turntable, wherein the turntable has a central hole for accommodating an upper or lower housing.

3. The motor rotor cover pressing and testing device according to claim 2, characterized in that: The fixing structure includes a first push rod arranged along a first direction, the first push rod being coaxial with the turntable and capable of passing through the central hole of the turntable to abut against the end of the motor rotor.

4. The motor rotor cover pressing and testing device according to claim 2, characterized in that: The glue application unit includes a glue dispensing head and a control module that controls the glue dispensing head to move along the X-axis, Y-axis or Z-axis. The control module can control the glue dispensing head to enter the inner side of the upper or lower shell that is held and rotated by the first gripper cylinder for glue application.

5. The motor rotor cover pressing and testing device according to claim 1, characterized in that: The clamping unit includes a second slide rail arranged along a first direction, a second support frame slidably arranged on the second slide rail, a rotary drive structure arranged on the second support frame, and a second push rod installed at the output end of the rotary drive structure; the second push rod is used to press against the end of the motor rotor and realize rotation control.

6. The motor rotor cover pressing and testing device according to claim 1, characterized in that: The pull-out test unit includes a first clamping structure and a second clamping structure arranged along a first direction. Both the first clamping structure and the second clamping structure include a third support frame that can move laterally along the first direction and a second gripper cylinder disposed on the third support frame. The second gripper cylinder is used to clamp the outer wall of the upper or lower shell.

7. The motor rotor cover pressing and testing device according to claim 6, characterized in that: The pull-out test unit also includes a tension / compression sensor connected to the third support frame.

8. The motor rotor cover pressing and testing device according to claim 1, characterized in that: The coaxiality testing unit includes a fourth support frame movable along a first direction and a contact displacement sensor disposed on the fourth support frame in a vertical direction. The contact displacement sensor is configured to be able to rise and fall relative to the fourth support frame to adjust the measurement height.

9. The motor rotor cover pressing and testing device according to claim 8, characterized in that: The end of the contact displacement sensor is rotatably mounted with a pressure roller via a rod, and the pressure roller is used to make rolling contact with the surface of the housing being measured.

10. The motor rotor cover pressing and testing device according to any one of claims 1-9, characterized in that: It also includes a first lifting unit and a second lifting unit; the first lifting unit is located at the processing station of the adhesive pressing assembly, and the second lifting unit is located at the testing station of the testing assembly; both the first lifting unit and the second lifting unit include a support platform, a carrier for supporting the motor rotor located on the support platform, and a power device for driving the support platform to move up and down in the vertical direction.

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