An automatic insulation voltage withstand detection device for a circular electrical connector

Abstract

The present invention relates to an automatic insulation voltage withstand detection device for a circular electrical connector, which includes an insulation voltage withstand detection component, a machine base, a moving platform and a plugging and unplugging mechanism. The moving platform and the plugging and unplugging mechanism are both arranged on the machine base. A rotary clamping mechanism is arranged on the moving platform, and a tooling plug is arranged on the plugging and unplugging mechanism. A CCD detection mechanism is arranged on the machine base, and the CCD detection mechanism is connected to the rotary clamping mechanism. The advantages of the present invention are as follows: Since the CCD detection mechanism is connected to the rotary clamping mechanism, the orientation of the product housing can be adjusted according to the detection result before detection, so that the orientation of the product is consistent with that of the detection tooling. Then, the circular electrical connection is connected to the insulation voltage withstand detection component through the tooling plug. The insulation detection and voltage withstand detection of the circular electrical connector are sequentially carried out through the insulation voltage withstand detection component, and the test results are sent to the control terminal to form a test report. Moreover, it gets rid of problems such as easy missed detection and wrong detection during manual detection, greatly improving the detection efficiency and reliability.

Description

Technical Field

[0001] The present invention relates to an automatic insulation voltage withstand testing device for circular electrical connectors. Background Art

[0002] Due to the characteristics of its own structure, circular electrical connectors are most widely used in military equipment (aviation, aerospace). After the production of circular electrical connector products, in order to ensure product quality and meet various standard specifications, especially for military products and aerospace industrial products, insulation and voltage withstand tests need to be carried out. In the prior art, the testing work of circular electrical connector products is all completed manually. An insulation voltage withstand tester is used, and the test is carried out by connecting a test lead to the product to be tested. For circular electrical connector products with multiple cores, the insulation voltage withstand test needs to be carried out on the points of each core. It is impossible to flexibly change the points, and only manual adjustment of the points can be carried out one by one for testing. This not only consumes a large amount of manpower and time, but also easily leads to quality accidents such as missed inspections and misinspections. Summary of the Invention

[0003] The purpose of the present invention is to solve the technical problem of easy missed inspections and misinspections in the prior art when manually performing insulation voltage withstand tests, and to propose an automatic insulation voltage withstand testing device for circular electrical connectors, which can realize the automatic detection of the insulation voltage withstand of circular electrical connectors, get rid of the problems of easy missed inspections and misinspections during manual detection, and greatly improve the detection efficiency and reliability.

[0004] To solve the above technical problems, the present invention is realized through the following technical solutions: An automatic insulation voltage withstand testing device for circular electrical connectors includes an insulation voltage withstand detection component, a machine base, a moving platform, and a plugging and unplugging mechanism. The moving platform and the plugging and unplugging mechanism are both arranged on the machine base. A rotating clamping mechanism is arranged on the moving platform, and the circular electrical connector is fixed on the moving platform through the rotating clamping mechanism. A housing contact mechanism is arranged on the moving platform, and the electrical performance between the outer wall of the housing and the core is detected through the housing contact mechanism. A tooling plug connected to the insulation voltage withstand detection component is arranged on the plugging and unplugging mechanism, and the tooling plug is inserted into and pulled out of the circular electrical connector to be tested through the plugging and unplugging action of the plugging and unplugging mechanism. A CCD detection mechanism for detecting the direction of the housing of the circular electrical connector is arranged on the machine base, and the CCD detection mechanism is connected to the rotating clamping mechanism.

[0005] Preferably, the plugging and unplugging mechanism includes a first bracket, a first ball screw, and a first driving motor. The first bracket is fixedly connected to the machine base. The first driving motor and the first ball screw are both arranged on the first bracket, and the first driving motor is connected to the first ball screw. A first insulating plate for fixing the tooling plug is arranged on the first ball screw.

[0006] Preferably, a first CCD camera is provided on the base below the tooling plug to detect whether there is any deviation in the position of the PIN pins on the tooling plug.

[0007] Preferably, the moving platform includes a horizontal linear guide rail and two detection platforms arranged on the horizontal linear guide rail. The horizontal linear guide rail is arranged on the base, and a driving component connected to the two detection platforms respectively is provided on the base. Moreover, a CCD detection mechanism is provided on the base at both ends of the horizontal linear guide rail.

[0008] Preferably, the CCD detection mechanism includes a second bracket, a second CCD camera, a second driving motor, and a second ball screw. The second bracket is fixedly connected to the base. The second driving motor and the second ball screw are both arranged on the second bracket. The second driving motor is connected to the second ball screw, and the second CCD camera is arranged on the second ball screw.

[0009] Preferably, the rotary clamping mechanism includes a first clamping cylinder and a rotary motor. The rotary motor is arranged on the detection platform, and the first clamping cylinder is arranged on the rotary motor. The rotary motor rotates the direction of the housing according to the detection result of the CCD detection mechanism.

[0010] Preferably, the housing contact mechanism includes a second insulating plate, a guide rail, and a contact. The second insulating plate is fixedly connected to the detection platform. The guide rail is arranged on the second insulating plate. A slider for fixing the contact is arranged on the guide rail, and a cylinder connected to the slider is provided on the detection platform.

[0011] Preferably, a reverse prevention mechanism is provided on the base. The reverse prevention mechanism includes a third driving motor, a third ball screw, a second clamping cylinder, and a first jaw. The third ball screw is arranged on the base. The second clamping cylinder is arranged on the third ball screw. The third driving motor is connected to the third ball screw, and the first jaw is arranged on the second clamping cylinder.

[0012] Preferably, the automatic insulation voltage withstand detection device for circular electrical connectors further includes a manipulator, a loading tray, and an unloading tray. The loading tray is arranged at one end of the base, the unloading tray is arranged at the other end of the base, and the manipulator is arranged between the loading tray and the unloading tray.

[0013] Preferably, the manipulator includes a second jaw and a third jaw. The loading of the circular electrical connector is realized through the second jaw, and the unloading of the circular electrical connector is realized through the third jaw.

[0014] In summary, the advantages of the present invention are as follows: The circular electrical connector is fixed on the moving platform through the rotating clamping mechanism, and the circular electrical connector is moved to the detection position of the CCD detection mechanism through the moving platform. The direction of the circular electrical connector housing is detected by the CCD detection mechanism. Since the CCD detection mechanism is connected to the rotating clamping mechanism, the housing orientation of the product can be adjusted according to the detection result before detection, so that the product orientation is consistent with the detection tooling orientation. Then, the circular electrical connector is moved to the plugging and unplugging mechanism through the moving platform, and the connection between the circular electrical connection and the insulation withstand voltage detection component is realized through the tooling plug. The circular electrical connector is sequentially subjected to insulation detection and withstand voltage detection through the insulation withstand voltage detection component. After the detection is completed, the tested circular electrical connection can be removed only by withdrawing the tooling plug from the circular electrical connection. After putting a new circular electrical connector, the above actions can be repeated to continuously perform the detection. Therefore, the automatic detection of the insulation withstand voltage performance of the multi-node circular electrical connector can be completed online, and the test results are sent to the control terminal to form a test report. Moreover, it gets rid of problems such as easy omission and misdetection during manual detection, greatly improving the detection efficiency and reliability. The present invention has the advantages of high efficiency, high reliability, and saving manpower, material resources, and financial resources. Secondly, the tooling plug is arranged on the plugging and unplugging mechanism, and the insertion and extraction of the tooling plug into and from the circular electrical connector to be tested are controlled through the plugging and unplugging actions of the plugging and unplugging mechanism, which can realize the automatic connection of the tooling plug without the operation of the operator, further improving the detection efficiency. Since the housing contact mechanism is provided on the moving platform, the electrical performance between the outer wall of the housing and the core can be detected through the housing contact mechanism during the movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further described below with reference to the accompanying drawings:

[0016] Figure 1 It is a schematic structural diagram of an automatic insulation withstand voltage detection device for a circular electrical connector of the present invention;

[0017] Figure 2 It is a schematic structural diagram of the plugging and unplugging mechanism in the present invention;

[0018] Figure 3 It is a schematic structural diagram of the stop and retreat mechanism, rotating clamping mechanism and housing contact mechanism in the present invention;

[0019] Figure 4 It is a schematic structural diagram of the CCD detection mechanism in the present invention;

[0020] Figure 5 It is a schematic structural diagram of the moving platform in the present invention;

[0021] Figure 6 It is a schematic structural diagram of the manipulator in the present invention;

[0022] Figure 7This is a schematic structural diagram of the insulation withstand voltage detection component in the present invention;

[0023] Figure 8 This is a schematic structural diagram of the tooling plug in the present invention.

[0024] Reference numerals:

[0025] 1 Insulation withstand voltage detection component, 2 Machine base, 21 First CCD camera, 22 Driving component, 3 Moving platform, 31 Horizontal linear guide rail, 32 Detection platform, 4 Plugging and unplugging mechanism, 41 First bracket, 42 First ball screw, 43 First driving motor, 44 First insulating plate, 5 Rotating clamping mechanism, 51 First clamping cylinder, 52 Rotating motor, 6 Shell contact mechanism, 61 Second insulating plate, 62 Guide rail, 63 Contact, 64 Slide block, 65 Cylinder, 7 Tooling plug, 71 Snap ring, 72 Shell, 73 Insulating component, 74 Fixed claw, 75 Contact piece, 8 CCD detection mechanism, 81 Second bracket, 82 Second CCD camera, 83 Second driving motor, 84 Second ball screw, 9 Anti-retreat mechanism, 91 Third driving motor, 92 Third ball screw, 93 Second clamping cylinder, 94 First clamping jaw, 10 Manipulator, 100 Second clamping jaw, 101 Third clamping jaw, 11 Loading tray, 12 Unloading tray, 13 Circular electrical connector, 14 Computer, 15 Insulation withstand voltage tester, 16 Adapter cable, 17 Chassis, 18 Adapter socket, 19 Adapter plug, 20 Tooling cable. Detailed implementation manners

[0026] As Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 shown, a circular electrical connector insulation withstand voltage automatic detection device includes an insulation withstand voltage detection component 1, a machine base 2, a moving platform 3 and a plugging and unplugging mechanism 4. The moving platform 3 and the plugging and unplugging mechanism 4 are both arranged on the machine base 2. A rotating clamping mechanism 5 is arranged on the moving platform 3. The circular electrical connector 13 is fixed on the moving platform 3 through the rotating clamping mechanism 5. A shell contact mechanism 6 is arranged on the moving platform 3 to detect the electrical performance between the outer wall of the shell and the core. A tooling plug 7 connected to the insulation withstand voltage detection component 1 is arranged on the plugging and unplugging mechanism 4. The tooling plug is inserted into and pulled out of the circular electrical connector to be tested through the plugging and unplugging action of the plugging and unplugging mechanism. A CCD detection mechanism 8 for detecting the shell direction of the circular electrical connector 13 is arranged on the machine base 2. The CCD detection mechanism 8 is connected to the rotating clamping mechanism 5.

[0027] The circular electrical connector 13 is fixed on the moving platform 3 by the rotating clamping mechanism 5. The circular electrical connector 13 is moved to the detection position of the CCD detection mechanism 8 by the moving platform 3. The CCD detection mechanism 8 detects the housing direction of the circular electrical connector 13. Since the CCD detection mechanism 8 is connected to the rotating clamping mechanism 5, the housing orientation of the product can be adjusted according to the detection result before detection, so that the product orientation is consistent with the detection tooling orientation. Then, the circular electrical connector 13 is moved to the plugging and unplugging mechanism 4 by the moving platform 3. The connection between the circular electrical connection and the insulation and withstand voltage detection component 1 is realized through the tooling plug 7. The circular electrical connector 13 is sequentially subjected to insulation detection and withstand voltage detection by the insulation and withstand voltage detection component 1. After the detection is completed, the tooling plug 7 only needs to withdraw from the circular electrical connection to remove the detected circular electrical connection. After putting a new circular electrical connector 13 again and repeating the above actions, the detection can be continuously carried out. Therefore, the automatic detection of the insulation and withstand voltage performance of the multi-node circular electrical connector 13 can be completed online, and the test results are sent to the control terminal to form a test report. Moreover, it gets rid of problems such as easy omission and misdetection during manual detection, greatly improving the detection efficiency and reliability. The present invention has the advantages of high efficiency, high reliability, and saving manpower, material resources and financial resources. Secondly, the tooling plug 7 is arranged on the plugging and unplugging mechanism 4, and the insertion and extraction of the tooling plug 7 are controlled by the plugging and unplugging action of the plugging and unplugging mechanism 4, which can realize the automatic connection of the tooling plug without the operation of the operator, further improving the detection efficiency. Since the housing contact mechanism is provided on the moving platform, the electrical performance between the outer wall of the housing and the core can be detected through the housing contact mechanism during the movement.

[0028] As Figure 7 and Figure 8 shown, the insulation and withstand voltage detection component 1 and the tooling plug 7 in this embodiment are both prior arts and will not be introduced in detail in this embodiment. Specifically, it includes a DF-4160 type insulation and withstand voltage tester 15, a transfer cable 16, a transfer socket 18, a chassis 17, a computer 14, a transfer plug 19 and a tooling cable 20. During the test, one end of the tooling cable is connected to the tooling plug 7, and the other end of the tooling cable is connected to the transfer plug. The transfer plug is fixedly connected to the transfer socket, which can be adapted to professional test software, and the test parameters are adjustable. The device has the function of automatically detecting the insulation resistance and withstand voltage point by point and can automatically generate a test report. The tooling plug 7 specifically includes a snap ring 71, a housing 72, an insulation component 73, a fixing claw 74 and a contact 75. The contact is axially fixed by the reverse installation method of the fixing claw. The structure has the characteristics of simple structure and strong reliability. The designed maximum withstand voltage value is 3000V, the leakage current ≤ 0.5mA, and the insulation resistance ≥ 5000MΩ under the action of 500V. It can be normally matched with all series products of the crimp type circular connector.

[0029] See Figure 2, the plugging and unplugging mechanism 4 includes a first bracket 41, a first ball screw 42 and a first driving motor 43. The first bracket 41 is fixedly connected to the machine base 2. The first driving motor 43 and the first ball screw 42 are both arranged on the first bracket 41, and the first driving motor 43 is connected to the first ball screw 42. A first insulating plate 44 for fixing the tooling plug 7 is provided on the first ball screw 42. The first driving motor 43 drives the first ball screw 42 to move up and down, thereby driving the tooling plug 7 to move up and down, so that the tooling plug 7 is inserted into the circular electrical connector 13, facilitating the withdrawal and insertion of the tooling plug 7 and realizing automatic operation. The arrow direction is the moving direction of the plugging and unplugging mechanism up and down. The setting of the first insulating plate 44 insulates the measured circular electrical connector 13 from the entire device to prevent affecting the detection or high-voltage injury to the device. A first CCD camera 21 is provided on the machine base 2 below the tooling plug 7. By using the first CCD camera 21 to detect whether there is a deviation in the position of the PIN pins on the tooling plug 7, it can effectively detect whether there is a deviation in the position of the PIN pins on the tooling plug 7, preventing damage to the detection PIN pins during the previous withstand voltage test and causing product insertion injury during the next test.

[0030] Looking further Figure 5 , the moving platform 3 includes a horizontal linear guide rail 31 and two detection platforms 32 arranged on the horizontal linear guide rail 31. The horizontal linear guide rail 31 is arranged on the machine base 2. A driving component 22 connected to the two detection platforms 32 respectively is provided on the machine base 2. And a CCD detection mechanism 8 is provided on the machine base 2 at both ends of the horizontal linear guide rail 31. The driving component 22 is a prior art. The driving component 22 in this embodiment can adopt a lead screw nut driving structure or a linear driving structure, which can realize the independent sliding of the two detection platforms 32 on the horizontal linear guide rail 31. Since a CCD detection mechanism 8 is provided on the machine base 2 at both ends of the horizontal linear guide rail 31, the shell directions of the two circular electrical connectors 13 can be detected simultaneously. When one circular electrical connector 13 finishes the insulation withstand voltage test, the other circular electrical connector 13 can quickly perform the insulation withstand voltage test, further improving the detection efficiency. Moreover, the movements of the two detection platforms 32 do not interfere with each other. The movement direction of the detection platform 32 is as shown by the arrow direction in Figure 5 .

[0031] The CCD detection mechanism 8 includes a second bracket 81, a second CCD camera 82, a second drive motor 83, and a second ball screw 84. The second bracket 81 is fixedly connected to the machine base 2. The second drive motor 83 and the second ball screw 84 are both arranged on the second bracket. The second drive motor 83 is connected to the second ball screw 84. The second CCD camera 82 is arranged on the second ball screw 84. By driving the second ball screw 84 with the second drive motor 83, the second ball screw 84 drives the second CCD camera 82 to move up and down, so as to adapt to different circular electrical connectors 13. The movement direction of the second CCD camera 82 is as shown by the arrow direction in Figure 4 . The second bracket 81 can realize the unified installation of the second drive motor 83 and the second ball screw 84.

[0032] The rotary clamping mechanism 5 includes a first clamping cylinder 51 and a rotary motor 52. The rotary motor 52 is arranged on the detection platform 32. The first clamping cylinder 51 is arranged on the rotary motor 52. The rotary motor 52 receives the detection result of the CCD detection mechanism 8 and rotates the direction of the housing, and can adjust the housing orientation according to the detection result of the CCD detection mechanism 8, so that the housing orientation is consistent with the detection tooling orientation, thereby ensuring the normal insertion of the tooling plug 7 and the measured circular electrical connector 13, and preventing the PIN pins of the tooling plug 7 from scratching the measured circular electrical connector 13 during detection. Specifically, the rotary motor 52 rotates to drive the first clamping cylinder 51 to rotate. Since the first clamping cylinder 51 realizes the clamping of the housing, the rotation of the first clamping cylinder 51 can drive the housing to rotate synchronously, improving the rotation accuracy. The rotation direction is as shown by the arrow direction in Figure 3 .

[0033] The housing contact mechanism 6 includes a second insulating plate 61, a guide rail 62, and a contact 63. The second insulating plate 61 is fixedly connected to the detection platform 32. The guide rail 62 is arranged on the second insulating plate 61. A slider 64 for fixing the contact 63 is arranged on the guide rail 62. A cylinder 65 connected to the slider 64 is arranged on the detection platform 32. By driving the slider 64 to slide on the guide rail 62 with the cylinder 65, the slider 64 drives the contact 63 to contact the outer wall of the housing of the circular electrical connector 13, and can detect the electrical performance between the outer wall of the housing and the product core. The movement direction of the slider is as shown by the arrow direction in Figure 3 . Since the guide rail 62 is arranged on the second insulating plate 61, the measured circular electrical connector 13 can be insulated from the whole device, so as to prevent affecting the detection or high-voltage damage to the whole device.

[0034] A reverse prevention mechanism 9 is provided on the machine base 2. The reverse prevention mechanism 9 includes a third driving motor 91, a third ball screw 92, a second clamping cylinder 93, and a first jaw 94. The third ball screw 92 is arranged on the machine base 2, the second clamping cylinder 93 is arranged on the third ball screw 92, the third driving motor 91 is connected to the third ball screw 92, and the first jaw 94 is arranged on the second clamping cylinder 93. During use, the reverse prevention mechanism 9 prevents the measured circular electrical connector 13 from being pulled up by the tooling plug 7 when the tooling plug 7 is pulled out. In this embodiment, the reverse prevention mechanism 9 is set as the third driving motor 91, the third ball screw 92, the second clamping cylinder 93, and the first jaw 94. The third driving motor 91 drives the third ball screw 92 to rotate. Since the second clamping cylinder 93 is arranged on the third ball screw 92, the up and down movement of the second clamping cylinder 93 can be realized. The up and down movement of the second clamping cylinder 93 is as shown by the arrow direction of Figure 3 and the first jaw 94 is driven by the second clamping cylinder 93 to clamp the measured circular electrical connector 13.

[0035] The automatic insulation voltage withstand detection device for circular electrical connectors further includes a manipulator 10, a loading tray 11, and an unloading tray 12. The loading tray 11 is arranged at one end of the machine base 2, the unloading tray 12 is arranged at the other end of the machine base 2, and the manipulator 10 is arranged between the loading tray 11 and the unloading tray 12. The manipulator 10 in this embodiment adopts a four-axis manipulator 10. The loading tray 11 and the unloading tray 12 can have multiple specifications according to the shell size of the measured circular electrical connector 13, and the loading tray 11 and the unloading tray 12 can place multiple measured circular electrical connectors 13 at a time. The manipulator 10 can realize the automatic loading and unloading of the circular electrical connector 13. The loading tray 11 and the unloading tray 12 can realize the independent placement of the measured circular electrical connector 13 and the circular electrical connector to be measured, which is convenient for the manipulator 10 to pick up. The manipulator 10 includes a second jaw 100 and a third jaw 101. The loading of the circular electrical connector 13 is realized through the second jaw 100, and the unloading of the circular electrical connector 13 is realized through the third jaw 101. During use, the second jaw 100 grabs a circular electrical connector 13 from the loading tray 11, and then the third jaw 101 takes the detected circular electrical connector 13 off the detection platform 32 and quickly converts the manipulator 10, so that the second jaw 100 places the circular electrical connector to be measured at the detection position, and the third jaw 101 places the detected circular electrical connector 13 in the unloading tray 12, thus realizing fast loading and unloading and reducing the number of back-and-forth handling times.

[0036] The above are only specific embodiments of the present invention, but the technical features of the present invention are not limited thereto. Any changes or modifications made by those skilled in the art within the scope of the present invention are covered by the patent scope of the present invention.

Claims

1. An automatic insulation voltage withstand detection device for a circular electrical connector, including an insulation voltage withstand detection component, characterized in that: It also includes a machine base, a moving platform and a plugging and unplugging mechanism. The moving platform and the plugging and unplugging mechanism are both arranged on the machine base. A rotating clamping mechanism is provided on the moving platform. The circular electrical connector is fixed on the moving platform through the rotating clamping mechanism. A housing contact mechanism is provided on the moving platform to detect the electrical performance between the outer wall of the housing and the core through the housing contact mechanism. A tooling plug connected to the insulation withstand voltage detection component is provided on the plugging and unplugging mechanism. The tooling plug is inserted into and pulled out of the circular electrical connector to be tested through the plugging and unplugging action of the plugging and unplugging mechanism. A CCD detection mechanism for detecting the direction of the circular electrical connector housing is provided on the machine base. The CCD detection mechanism is connected to the rotating clamping mechanism. The housing contact mechanism includes a second insulating plate, a guide rail and a contact. The second insulating plate is fixedly connected to the detection platform. The guide rail is arranged on the second insulating plate. A slider for fixing the contact is arranged on the guide rail. A cylinder connected to the slider is provided on the detection platform.

2. The automatic insulation withstand voltage detection device for a circular electrical connector according to claim 1, wherein: The plugging and unplugging mechanism includes a first support, a first ball screw and a first driving motor. The first support is fixedly connected to the machine base. The first driving motor and the first ball screw are both arranged on the first support, and the first driving motor is connected to the first ball screw. A first insulating plate for fixing the tooling plug is arranged on the first ball screw.

3. An automatic insulation voltage withstand detection device for a circular electrical connector according to claim 1 or 2, characterized in that: A first CCD camera is provided on the machine base below the tooling plug to detect whether there is a deviation in the position degree of the PIN pins on the tooling plug.

4. An automatic insulation voltage withstand detection device for a circular electrical connector according to claim 1, characterized in that: The moving platform includes a horizontal linear guide rail and two detection platforms arranged on the horizontal linear guide rail. The horizontal linear guide rail is arranged on the machine base. A driving component connected to the two detection platforms respectively is provided on the machine base, and a CCD detection mechanism is provided on the machine base at both ends of the horizontal linear guide rail.

5. An automatic insulation voltage withstand detection device for a circular electrical connector according to claim 3, characterized in that: The CCD detection mechanism includes a second support, a second CCD camera, a second driving motor and a second ball screw. The second support is fixedly connected to the machine base. The second driving motor and the second ball screw are both arranged on the second support. The second driving motor is connected to the second ball screw. The second CCD camera is arranged on the second ball screw.

6. The automatic insulation withstand voltage detection device for a circular electrical connector according to claim 1, wherein: The rotating clamping mechanism includes a first clamping cylinder and a rotating motor. The rotating motor is arranged on the detection platform. The first clamping cylinder is arranged on the rotating motor. The rotating motor receives the detection result of the CCD detection mechanism to rotate the direction of the housing.

7. An automatic insulation voltage withstand detection device for a circular electrical connector according to claim 1, characterized in that: A backstop mechanism is provided on the machine base. The backstop mechanism includes a third driving motor, a third ball screw, a second clamping cylinder and a first jaw. The third ball screw is arranged on the machine base. The second clamping cylinder is arranged on the third ball screw. The third driving motor is connected to the third ball screw. The first jaw is arranged on the second clamping cylinder.

8. An automatic insulation voltage withstand detection device for a circular electrical connector according to claim 1, characterized in that: The automatic insulation withstand voltage detection device for circular electrical connectors further includes a manipulator, a feeding tray and a discharging tray. The feeding tray is arranged at one end of the machine base. The discharging tray is arranged at the other end of the machine base. The manipulator is arranged between the feeding tray and the discharging tray.

9. An automatic insulation withstand voltage detection device for a circular electrical connector according to claim 8, characterized in that: The manipulator includes a second jaw and a third jaw. The feeding of the circular electrical connector is achieved by the second jaw, and the discharging of the circular electrical connector is achieved by the third jaw.

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