Testing device and method for servo motor controller

Abstract

The invention discloses a servo motor controller testing device and method, and the device comprises a supporting structure, a driving structure, a sliding structure, a side clamping structure, a pressing structure and a testing structure, the driving structure is fixedly installed on the inner wall of the left side of the supporting structure through a bolt, and the driving structure comprises a driving motor, a worm, a fixed block, a worm wheel and a threaded rod. The outer wall of the driving structure is connected with a sliding structure in a meshed mode, a supporting block drives a downward pressing rod to move into a fixing bin, a transmission gear is meshed with a meshing groove in the inner side wall of the fixing bin and drives the downward pressing rod to rotate, and the downward pressing rod drives a threaded block to move downwards in a clamping cavity under the acting force of threads. The threaded block drives the lower pressing block to clamp and position the top of the controller, meanwhile, the sliding plate drives the controller to completely enter the fixing bin and enable the output end of the controller to be in butt joint with the plug, manual butt joint is not needed, the labor intensity of workers is reduced, and the working efficiency of the workers is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of servo motor controllers, and specifically to a test device and method for a servo motor controller. Background Art

[0002] A servo motor refers to an engine that controls the operation of mechanical components in a servo system. It is an auxiliary motor indirect speed change device. A servo motor can control speed, and the position accuracy is very accurate. It can convert a voltage signal into torque and rotational speed to drive a control object. The rotational speed of the servo motor rotor is controlled by an input signal and can respond quickly. In an automatic control system, it is used as an actuator and has characteristics such as a small electromechanical time constant and high linearity. It can convert the received electrical signal into angular displacement or angular velocity output on the motor shaft.

[0003] A servo motor controller is a key device in the numerical control system and other related mechanical control fields. Generally, it controls the servo motor in three ways: position, speed, and torque to achieve high-precision positioning of the transmission system. Servo control related technologies have become an important reference for the national equipment technology level.

[0004] At present, when most servo motor controller test devices on the market are in use, it is necessary for workers to manually connect the controller to the servo motor, which will increase the labor intensity of the workers and thus reduce the work efficiency of the personnel. Summary of the Invention

[0005] In view of the deficiencies of the prior art, the present invention provides a test device and method for a servo motor controller, which solves the problem of the need for manual connection of the controller to the servo motor in the prior art.

[0006] To achieve the above objectives, the present invention is realized through the following technical solutions: A test device for a servo motor controller includes a support structure, a drive structure, a sliding structure, a side clamping structure, a pressing structure, and a test structure. The inner wall on the left side of the support structure is fixedly installed with a drive structure through bolts. The drive structure includes a drive motor, a worm, a fixed block, a turbine, and a threaded rod. The outer wall of the drive structure is meshed with a sliding structure. A sliding groove for the sliding structure to slide is opened at the top near the center of the support structure. The back near the left side of the sliding structure is fixedly connected to the front of the side clamping structure. The side clamping structure includes a clamping chamber, a return spring, a telescopic block, and a side clamping block. An insertion opening for the support structure to be inserted is opened at the center of the side clamping structure. The inner wall of the sliding structure is rotationally connected to the outer wall of the pressing structure. The pressing structure is composed of a pressing rod, a transmission gear, a threaded block, and a pressing block. A meshing groove for the pressing structure to be meshed is opened on the inner side wall of the support structure. The test structure is fixedly installed through bolts at the top near the right side of the support structure.

[0007] Preferably, the support structure is composed of a support platform, a fixed bin, and a plug-in block. A sliding groove for the sliding structure to slide is opened at the top of the support platform near the center. A fixed bin is fixedly installed above the sliding groove on the support platform. A meshing groove for the downward pressure structure to engage is opened on the inner side wall of the fixed bin. The top of the left side of the support platform is fixedly connected to the bottom of the plug-in block. The plug-in block is an L-shaped plug-in block, and the extended part on the right side of the plug-in block has a wedge-shaped design.

[0008] Preferably, the inner wall of the driving motor is fixedly connected to the left side of the support platform through a fixing bolt, and the output shaft of the driving motor is fixedly connected to one end of the worm through a coupling. The outer wall of the worm is rotatably connected to the inner wall of the fixed block, and the right side of the fixed block is fixedly connected to the left side of the support platform. The outer wall of the worm is meshed with the outer wall of the turbine, and the inner wall of the turbine is fixedly connected to one end of the threaded rod. The other end of the threaded rod penetrates the left side of the support platform and extends into the interior of the sliding groove, and an external thread is provided on the outer wall of the threaded rod located on the inner wall of the sliding groove.

[0009] Preferably, the sliding structure is composed of a sliding block, a sliding plate, and a support block. The outer wall of the sliding block is slidably connected to the inner wall of the sliding groove, and the inner wall of the sliding block is threadedly connected to the outer wall of the threaded rod. The top of the sliding block is fixedly connected to the bottom of the sliding plate, and support blocks are fixedly installed on the tops of both sides of the sliding plate. A T-shaped clamping opening is opened on the inner wall of the support block near the left side, and a clamping cavity is opened on the inner wall of the support block near the right side.

[0010] Preferably, the front of the clamping bin is fixedly connected to the back of the support block at the clamping opening, and the inner wall of the clamping bin is fixedly connected to one end of the return spring. The other end of the return spring is fixedly connected to the back of the telescopic block, and the outer wall of the telescopic block is slidably connected to the inner wall of the transverse groove of the clamping opening. The front of the telescopic block is fixedly connected to the back of the side clamping block, and the outer wall of the side clamping block is slidably connected to the inner wall of the longitudinal groove of the clamping opening. An insertion opening for the plug-in block to be inserted is opened at the center of the clamping bin and the telescopic block, and the insertion opening is inclined.

[0011] Preferably, the outer wall of the downward pressure rod is rotatably connected to the inner wall of the clamping cavity, and the outer wall of the downward pressure rod near the bottom end is snap-fitted to the inner wall of the transmission gear. The outer wall of the transmission gear is meshed with the inner wall of the meshing groove, and the outer wall of the downward pressure rod at the top end is threadedly connected to the inner wall of the threaded block. The outer wall of the threaded block is slidably connected to the inner wall of the clamping cavity, and the front of the threaded block is fixedly connected to the back of the downward pressure block.

[0012] Preferably, the test structure includes a servo motor body, a Hall sensor and a plug. The inner wall of the servo motor body is fixedly installed at the top of the support platform near the right side through bolts, and the output shaft of the servo motor body is inserted into the Hall sensor. The bottom of the Hall sensor is fixedly connected to the top of the support platform near the right side, and the servo motor body is fixedly connected to the plug through a wire. The plug is fixedly installed on the right side of the fixed bin through bolts.

[0013] Preferably, a limiting groove for the sliding of the clamping bin is provided on the left side of the fixed bin, and a fixing port for the plug to be inserted is provided on the right side of the fixed bin.

[0014] Preferably, a method for using a test device for a servo motor controller includes the following steps: S1: After placing the controller on the sliding plate, start the driving motor. The driving motor drives the threaded rod to rotate under the meshing action of the worm and the turbine. The threaded rod drives the sliding block to slide in the sliding groove under the action of threaded meshing force. The sliding block drives the sliding plate and the support block to slide into the fixed bin. The support block drives the clamping bin to disengage from the outer wall of the plug-in block. Under the telescopic action of the return spring, the telescopic block pushes the side clamping blocks to clamp and position the controller from both sides.

[0015] S2: The support block drives the pressing rod to move into the fixed bin, so that the transmission gear meshes with the meshing groove on the inner side wall of the fixed bin and drives the pressing rod to rotate. The pressing rod drives the threaded block to move downward in the clamping cavity under the action of the threaded force. The threaded block drives the pressing block to clamp and position the top of the controller. At the same time, the sliding plate drives the controller to completely enter the fixed bin and makes the output end of the controller dock with the plug.

[0016] S3: Start the servo motor body, control the rotation speed of the servo motor body through the controller, record the rotation speed of the output shaft of the servo motor body through the Hall sensor and transmit it to the processing device, and test whether the controller is qualified by comparing the corresponding data. Beneficial effects

[0017] The present invention provides a test device and method for a servo motor controller. Compared with the prior art, the following beneficial effects are achieved: (1) Through the combined use of the sliding structure, the side clamping structure and the pressing structure, the support block drives the pressing rod to move into the fixed bin, so that the transmission gear meshes with the meshing groove on the inner side wall of the fixed bin and drives the pressing rod to rotate. The pressing rod drives the threaded block to move downward in the clamping cavity under the action of the threaded force. The threaded block drives the pressing block to clamp and position the top of the controller. At the same time, the sliding plate drives the controller to completely enter the fixed bin and makes the output end of the controller dock with the plug, eliminating the need for manual docking, reducing the labor intensity of the staff and improving the work efficiency of the staff.

[0018] (2) The test device and method for the servo motor controller, through the combined use of the driving structure, sliding structure and side clamping structure, the driving motor drives the threaded rod to rotate under the meshing action of the worm and the turbine. Under the action of the threaded meshing force, the threaded rod drives the sliding block to slide in the sliding groove. The sliding block drives the sliding plate and the supporting block to slide into the fixed bin. The supporting block drives the clamping bin to disengage from the outer wall of the plug-in block. Under the telescopic action of the return spring, the telescopic block pushes the side clamping blocks to clamp and position the controller from both sides, so as to clamp and position the controller and avoid the deviation of the controller during docking.

[0019] (3) The test device and method for the servo motor controller, through the combined use of the supporting structure, driving structure, sliding structure, side clamping structure and pressing structure, the driving motor drives the pressing block and the side clamping blocks at the same time to perform multi-directional clamping and positioning on the controller, reducing the energy consumption. At the same time, the controller is placed in the fixed bin during testing, further avoiding the influence of external factors on the test results of the controller and improving the test accuracy of the controller. Description of the Drawings

[0020] Figure 1 Schematic diagram of the overall structure of the present invention; Figure 2 Cross-sectional view of the overall structure of the present invention; Figure 3 Exploded view of the overall structure of the present invention; Figure 4 For the present invention Figure 3 Cross-sectional view of the sliding structure, side clamping structure and pressing structure in the present invention; Figure 5 Exploded view of the sliding structure and pressing structure of the present invention; Figure 6 Exploded view of the side clamping structure of the present invention.

[0021] In the figure: 1. Supporting structure; 101. Supporting platform; 102. Fixed bin; 103. Plug-in block; 2. Driving structure; 201. Driving motor; 202. Worm; 203. Fixed block; 204. Turbine; 205. Threaded rod; 3. Sliding structure; 301. Sliding block; 302. Sliding plate; 303. Supporting block; 4. Side clamping structure; 401. Clamping bin; 402. Return spring; 403. Telescopic block; 404. Side clamping block; 5. Pressing structure; 501. Pressing rod; 502. Transmission gear; 503. Threaded block; 504. Pressing block; 6. Testing structure; 601. Servo motor body; 602. Hall sensor; 603. Plug. Detailed Embodiment

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0023] Please refer to Figures 1-6 , a test device for a servo motor controller, including a support structure 1, a driving structure 2, a sliding structure 3, a side clamping structure 4, a pressing structure 5 and a test structure 6. The inner wall on the left side of the support structure 1 is fixedly installed with the driving structure 2 through bolts. The driving structure 2 includes a driving motor 201, a worm 202, a fixed block 203, a turbine 204 and a threaded rod 205. The outer wall of the driving structure 2 is meshed with the sliding structure 3. A sliding groove for the sliding structure 3 to slide is opened at the top near the center of the support structure 1. The back surface near the left side of the sliding structure 3 is fixedly connected to the front surface of the side clamping structure 4. The side clamping structure 4 includes a clamping bin 401, a return spring 402, a telescopic block 403 and a side clamping block 404. An insertion opening for the support structure 1 to be inserted is opened at the center of the side clamping structure 4. The inner wall of the sliding structure 3 is rotationally connected to the outer wall of the pressing structure 5. The pressing structure 5 is composed of a pressing rod 501, a transmission gear 502, a threaded block 503 and a pressing block 504. A meshing groove for the pressing structure 5 to mesh is opened on the inner side wall of the support structure 1. The test structure 6 is fixedly installed at the top near the right side of the support structure 1 through bolts.

[0024] In the present invention, the support structure 1 is composed of a support table 101, a fixed bin 102 and an insertion block 103. A sliding groove for the sliding structure 3 to slide is opened at the top near the center of the support table 101. And a fixed bin 102 is fixedly installed above the sliding groove on the support table 101. A meshing groove for the pressing structure 5 to mesh is opened on the inner side wall of the fixed bin 102. And the top on the left side of the support table 101 is fixedly connected to the bottom of the insertion block 103. The insertion block 103 is an L-shaped insertion block, and the extended part on the right side of the insertion block 103 has a wedge design.

[0025] In the present invention, the inner wall of the driving motor 201 is fixedly connected to the left side of the support table 101 through a fixed bolt, and the output shaft of the driving motor 201 is fixedly connected to one end of the worm 202 through a coupling. The outer wall of the worm 202 is rotationally connected to the inner wall of the fixed block 203, and the right side of the fixed block 203 is fixedly connected to the left side of the support table 101. The outer wall of the worm 202 is meshed with the outer wall of the turbine 204, and the inner wall of the turbine 204 is fixedly connected to one end of the threaded rod 205. The other end of the threaded rod 205 penetrates through the left side of the support table 101 and extends into the interior of the sliding groove, and an external thread is provided on the outer wall of the threaded rod 205 located on the inner wall of the sliding groove.

[0026] In the present invention, the sliding structure 3 is composed of a sliding block 301, a sliding plate 302 and a support block 303. The outer wall of the sliding block 301 is slidably connected to the inner wall of the sliding groove, and the inner wall of the sliding block 301 is threadedly connected to the outer wall of the threaded rod 205. The top of the sliding block 301 is fixedly connected to the bottom of the sliding plate 302, and support blocks 303 are fixedly installed at the tops on both sides of the sliding plate 302. A T-shaped clamping opening is formed in the inner wall of the support block 303 near the left side, and a clamping cavity is formed in the inner wall of the support block 303 near the right side.

[0027] In the present invention, the front surface of the clamping bin 401 is fixedly connected to the back surface of the support block 303 at the clamping opening, and the inner wall of the clamping bin 401 is fixedly connected to one end of a return spring 402. The other end of the return spring 402 is fixedly connected to the back surface of a telescopic block 403, and the outer wall of the telescopic block 403 is slidably connected to the inner wall of the transverse groove of the clamping opening. The front surface of the telescopic block 403 is fixedly connected to the back surface of a side clamping block 404, and the outer wall of the side clamping block 404 is slidably connected to the inner wall of the longitudinal groove of the clamping opening. An insertion opening for inserting the insertion block 103 is formed at the centers of the clamping bin 401 and the telescopic block 403, and the insertion opening is inclined.

[0028] In the present invention, the outer wall of a pressing rod 501 is rotatably connected to the inner wall of the clamping cavity, and the outer wall of the pressing rod 501 near the bottom end is snap-fitted to the inner wall of a transmission gear 502. The outer wall of the transmission gear 502 is meshed with the inner wall of a meshing groove, and the outer wall of the pressing rod 501 at the top end is threadedly connected to the inner wall of a threaded block 503. The outer wall of the threaded block 503 is slidably connected to the inner wall of the clamping cavity, and the front surface of the threaded block 503 is fixedly connected to the back surface of a pressing block 504.

[0029] In the present invention, the testing structure 6 includes a servo motor body 601, a Hall sensor 602 and a plug 603. The inner wall of the servo motor body 601 is fixedly installed at the top near the right side of the support table 101 through bolts, and the output shaft of the servo motor body 601 is inserted into the interior of the Hall sensor 602. The bottom of the Hall sensor 602 is fixedly connected to the top near the right side of the support table 101, and the servo motor body 601 is fixedly connected to the plug 603 through a wire. The plug 603 is fixed to the right side of the fixed bin 102 through bolts.

[0030] In the present invention, a limiting groove for the clamping bin 401 to slide is formed on the left side of the fixed bin 102, and a fixing opening for inserting the plug 603 is formed on the right side of the fixed bin 102.

[0031] A method for using a testing device for a servo motor controller includes the following steps: S1: After placing the controller on the sliding plate 302, start the driving motor 201. The driving motor 201 drives the threaded rod 205 to rotate under the meshing action of the worm 202 and the turbine 204. The threaded rod 205 drives the sliding block 301 to slide in the sliding groove under the threaded meshing force. The sliding block 301 drives the sliding plate 302 and the support block 303 to slide into the fixed bin 102. The support block 303 drives the clamping bin 401 to disengage from the outer wall of the plug-in block 103. Under the telescopic action of the return spring 402, the telescopic block 403 pushes the side clamping blocks 404 to clamp and position the controller from both sides.

[0032] S2: The support block 303 drives the pressing rod 501 to move into the fixed bin 102, causing the transmission gear 502 to engage with the meshing groove on the inner side wall of the fixed bin 102 and drive the pressing rod 501 to rotate. The pressing rod 501 drives the threaded block 503 to move downward in the clamping cavity under the threaded force. The threaded block 503 drives the pressing block 504 to clamp and position the top of the controller. At the same time, the sliding plate 302 drives the controller to completely enter the fixed bin 102 and align the output end of the controller with the plug 603.

[0033] S3: Start the servo motor body 601, control the rotation speed of the servo motor body 601 through the controller, record the rotation speed of the output shaft of the servo motor body 601 through the Hall sensor 602 and transmit it to the processing device, and test whether the controller is qualified by comparing the corresponding data.

[0034] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variation thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not expressly listed, or elements inherent to such process, method, article or device.

[0035] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made in these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A test device for a servo motor controller, comprising a support structure (1), a drive structure (2), a sliding structure (3), a side clamping structure (4), a pressing structure (5) and a test structure (6), characterized in that: A driving structure (2) is fixedly mounted on the inner wall on the left side of the support structure (1) by means of bolts, the driving structure (2) comprising a driving motor (201), a worm gear (202), a fixing block (203), a turbine (204) and a threaded rod (205), the outer wall of the driving structure (2) is meshingly connected with a sliding structure (3), a sliding groove for sliding the sliding structure (3) is provided on the top near the center of the support structure (1), the back side of the sliding structure (3) near the left side is fixedly connected to the front side of a side clamping structure (4), the side clamping structure (4) comprising a clamping bin (401), a composite The side clamping structure (4) is provided with a plug-in interface for the support structure (1) to be plugged in at the center of the side clamping structure (4); the inner wall of the sliding structure (3) is rotatably connected to the outer wall of the pressing structure (5); the pressing structure (5) is composed of a pressing rod (501), a transmission gear (502), a threaded block (503) and a pressing block (504); the inner side wall of the support structure (1) is provided with an engagement groove for the pressing structure (5) to be engaged; and a test structure (6) is fixedly installed on the top of the support structure (1) near the right side by bolts.

2. A servo motor controller testing device according to claim 1, characterized in that: The support structure (1) is composed of a support platform (101), a fixed bin (102) and a plug-in block (103); a sliding groove for sliding the sliding structure (3) is provided at the top of the support platform (101) near the center, and the fixed bin (102) is fixedly installed above the sliding groove on the support platform (101); an engagement groove for engaging the pressing structure (5) is provided on the inner side wall of the fixed bin (102); the top of the support platform (101) on the left side is fixedly connected to the bottom of the plug-in block (103); the plug-in block (103) is an L-shaped plug-in block, and the right side protruding portion of the plug-in block (103) has a wedge-shaped design.

3. A servo motor controller testing device according to claim 2, characterized in that: The inner wall of the drive motor (201) is fixedly connected to the left side of the support platform (101) via a fixing bolt, and the output shaft of the drive motor (201) is fixedly connected to one end of the worm (202) via a coupling, the outer wall of the worm (202) is rotatably connected to the inner wall of the fixing block (203), and the right side of the fixing block (203) is fixedly connected to the left side of the support platform (101), the outer wall of the worm (202) is meshedly connected to the outer wall of the turbine (204), and the inner wall of the turbine (204) is fixedly connected to one end of a threaded rod (205), the other end of the threaded rod (205) passes through the left side of the support platform (101) and extends to the inside of the sliding groove, and the outer wall of the threaded rod (205) located on the inner wall of the sliding groove is provided with an external thread.

4. A servo motor controller testing device according to claim 3, characterized in that: The sliding structure (3) is composed of a sliding block (301), a sliding plate (302) and a supporting block (303); the outer wall of the sliding block (301) is slidably connected to the inner wall of the sliding groove, and the inner wall of the sliding block (301) is threadedly connected to the outer wall of the threaded rod (205); the top of the sliding block (301) is fixedly connected to the bottom of the sliding plate (302), and the tops of both sides of the sliding plate (302) are fixedly mounted with supporting blocks (303); the inner wall of the supporting block (303) close to the left side is provided with a T-shaped clamping opening, and the inner wall of the supporting block (303) close to the right side is provided with a clamping cavity.

5. A servo motor controller testing device according to claim 4, characterized in that: The front of the clamping bin (401) is fixedly connected to the back of the support block (303) located at the clamping opening, and the inner wall of the clamping bin (401) is fixedly connected to one end of the return spring (402), the other end of the return spring (402) is fixedly connected to the back of the telescopic block (403), and the outer wall of the telescopic block (403) is slidably connected to the inner wall of the transverse groove of the clamping opening, the front of the telescopic block (403) is fixedly connected to the back of the side clamping block (404), and the outer wall of the side clamping block (404) is slidably connected to the inner wall of the longitudinal groove of the clamping opening, and a plug-in interface for plugging in the plug-in block (103) is provided at the center of the clamping bin (401) and the telescopic block (403), and the plug-in interface is of inclined design.

6. A servo motor controller testing device according to claim 5, characterized in that: The outer wall of the lower pressure rod (501) is rotatably connected to the inner wall of the clamping cavity, and the outer wall of the lower pressure rod (501) near the bottom is snap-connected to the inner wall of the transmission gear (502), the outer wall of the transmission gear (502) is meshingly connected to the inner wall of the meshing groove, and the outer wall of the lower pressure rod (501) at the top is threadedly connected to the inner wall of the threaded block (503), the outer wall of the threaded block (503) is slidably connected to the inner wall of the clamping cavity, and the front side of the threaded block (503) is fixedly connected to the back side of the lower pressure block (504).

7. A servo motor controller testing device according to claim 2, characterized in that: The test structure (6) comprises a servo motor body (601), a Hall sensor (602) and a plug (603); the inner wall of the servo motor body (601) is fixedly mounted on the top of the support platform (101) close to the right side by means of bolts, and the output shaft of the servo motor body (601) is inserted into the interior of the Hall sensor (602); the bottom of the Hall sensor (602) is fixedly connected to the top of the support platform (101) close to the right side, and the servo motor body (601) is fixedly connected to the plug (603) via a wire, and the plug (603) is fixed to the right side of the fixed compartment (102) by means of bolts.

8. A servo motor controller testing device according to claim 7, characterized in that: The left side of the fixed bin (102) is provided with a limiting groove for the clamping bin (401) to slide, and the right side of the fixed bin (102) is provided with a fixing opening for the plug (603) to be plugged in.

9. The method for using the testing device for a servo motor controller according to claim 1, comprising the following steps: S1: After placing the controller on the sliding plate (302), the driving motor (201) is started. The driving motor (201) drives the threaded rod (205) to rotate under the meshing action of the worm rod (202) and the turbine (204). The threaded rod (205) drives the sliding block (301) to slide in the sliding groove under the meshing force of the threads. The sliding block (301) drives the sliding plate (302) and the support block (303) to slide into the fixed bin (102). The support block (303) drives the clamping bin (401) to detach from the outer wall of the plug-in block (103). Under the telescopic action force of the return spring (402), the telescopic block (403) pushes the side clamping block (404) to clamp and position the controller from both sides. S2: The support block (303) drives the lower pressure rod (501) to move into the fixed chamber (102), so that the transmission gear (502) meshes with the meshing groove on the inner wall of the fixed chamber (102) and drives the lower pressure rod (501) to rotate. Under the force of the thread, the lower pressure rod (501) drives the thread block (503) to move downward in the clamping cavity. The thread block (503) drives the lower pressure block (504) to clamp and position the top of the controller. At the same time, the sliding plate (302) drives the controller to completely enter the fixed chamber (102) and connect the output end of the controller to the plug (603). S3: starting the servo motor body (601), controlling the rotation speed of the servo motor body (601) through the controller, recording the rotation speed of the output shaft of the servo motor body (601) through the Hall sensor (602) and transmitting it to the processing equipment, and testing whether the controller is qualified by comparing the corresponding data.

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