Electrical connector pin detection device and method

Abstract

The present invention discloses an electrical connector pin detection device and method, which specifically relates to the field of visual detection. The detection device includes a base plate, a mounting frame and a marking component are mounted on the base plate, the marking component is arranged at the front side of the mounting frame, and the marking component includes a fixing table, a plurality of grooves are arranged on the upper surface of the fixing table, and an elastic marking member is accommodated inside each groove, and a slot is provided on the upper surface of the elastic marking member, and the pin of the power connector is inserted into the slot, so that the pin is sleeved on the end of the pin through the elastic action of the elastic marking member. The present invention adopts an elastic marking member arranged at the bottom of the normal pin, so that in the image taken by the visual camera, the normal pin and the short pin can be distinguished, so that the short pin defect can be identified, and the defects of the normal pin, the missing pin, the bent pin and the short pin can be identified and distinguished in one shot, which is conducive to the statistical calculation of the frequency of occurrence of various defects.

Description

Technical Field

[0001] The present invention relates to the field of visual detection technology, and more specifically, to a device and method for detecting electrical connector pins. Background Art

[0002] Electrical connectors are indispensable components in electronic and electrical equipment. They are used to transmit current, voltage or optical signals and are widely used in aerospace, automotive, industrial, medical and other industries. Electrical connectors consist of a free end and a fixed end. The fixed end is the socket, and the free end is the plug. The plug has multiple pins, and the socket is provided with corresponding pinholes. When the electrical connector is connected, the pins are inserted into the pinholes. With the rapid development of modern electronic technology, the quality and reliability of electrical connectors are increasingly required. The quality of electrical connectors is related to the performance and stability of the entire system.

[0003] Currently, defects in electrical connector pins are detected using visual inspection methods. The pins are imaged using a visual camera, and the image data is then transmitted to an image processing system. The image processing system uses a detection algorithm to extract features from the image and identify defects.

[0004] There are many types of defects in electrical connector pins, including missing pins, bent pins, and short pins (shorter than normal pins). Currently, visual inspection of electrical connector pin defects can only detect missing pins and bent pins. For short pins, their features in the images taken by visual cameras are consistent with those of normal pins. Therefore, short pin defects are very easy to be missed. The appearance of short pin defects will cause the electrical performance of the electrical connector connection to be unstable. Summary of the invention

[0005] The present invention provides an electrical connector pin detection device and method, and aims to solve the problem that: currently, visual detection of electrical connector pin defects can only detect missing pins and bent pins. The image features of short pins and normal pins are consistent, and visual detection cannot identify short pin defects.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an electric connector pin detection device, comprising a base plate, a mounting frame and a marking component are installed on the base plate, the marking component is arranged at the front side of the mounting frame, the marking component comprises a fixing table, the upper surface of the fixing table is provided with a plurality of grooves, each groove contains an elastic marking member, the upper surface of the elastic marking member is provided with a slot, the pin of the power connector is inserted into the slot, and is thus sleeved on the end of the pin through the elastic action of the elastic marking member; an inserting label component is arranged above the marking component, the inserting label component comprises a connecting seat, a clamp is installed on the connecting seat, and the clamp is used to clamp the electric connector; a visual camera is installed at the upper end of the mounting frame, and the visual camera is used to perform visual detection on the pin; a flipping component is arranged on the rear side of the mounting frame, and the flipping component is used to drive the inserting label component to rotate, so that the pin faces the marking component or the visual camera.

[0007] In a preferred embodiment, an inner cavity is opened inside the fixing platform, the inner cavity is connected to the output end of the vacuum generator, and the inner cavity is connected to the bottom of each groove.

[0008] In a preferred embodiment, the clamp includes an outer shell, which is fixedly mounted on a connecting seat, and two clamping fingers are rotatably connected to the outer shell. The two clamping fingers are provided with gear teeth at one end close to the outer shell, and the gear teeth on the two clamping fingers are meshed with each other. A rotating driving member 1 is installed on the outer shell, and the output end of the rotating driving member 1 is fixedly connected to one of the clamping fingers.

[0009] In a preferred embodiment, the flipping assembly includes a main shaft and a rotating wheel fixed on the main shaft, the connecting seat is fixedly installed at the front end of the main shaft, the rotating wheel is arranged on the front side of the mounting frame, one side of the rotating wheel has a plurality of tooth grooves, both sides of the tooth grooves have flat surfaces, a row of pins with the same number as the tooth grooves is fixedly installed in the vertical direction on one side in front of the mounting frame, the upper and lower sides of the pins are respectively provided with an upper baffle and a lower baffle fixedly connected to the mounting frame, and the rear side of the mounting frame is provided with a power component, which is used to drive the main shaft and the rotating wheel to rotate.

[0010] In a preferred embodiment, the power component includes a slide rail vertically slidably mounted on a mounting frame one, the rear end of the main shaft is rotatably connected to the slide rail, a rotary drive component 2 is mounted on the rear side of the mounting frame one, a rotating arm is fixedly mounted on the output end of the rotary drive component 2, and an end of the rotating arm away from the rotary drive component 2 is laterally slidably arranged in the slide rail.

[0011] In a preferred embodiment, a loading assembly is provided on one side of the mounting frame one, and the loading assembly includes a mounting frame two, the upper end of the mounting frame two is rotatably connected to a turntable, a rotating driving member three is installed on the mounting frame two, and the output end of the rotating driving member three is fixedly installed to the middle of the turntable, and a plurality of receiving grooves are opened in the circumferential direction of the turntable, and an elastic pad is fixed on the inner wall of the receiving groove, and the receiving groove is used to accommodate an electrical connector, and when the clamp is rotated to the inner side position of the receiving groove, the two clamping fingers are respectively located on the upper and lower sides of the turntable, and the width of the clamping fingers is smaller than the width of the receiving groove.

[0012] In a preferred embodiment, a conveying assembly is provided on the rear side of the loading assembly, and the conveying assembly includes a bracket, and two conveyor belts arranged side by side are installed above the bracket, and the front ends of the two conveyor belts extend to a position below one of the accommodating grooves, and the two conveyor belts are used to clamp the electrical connector, so that the two conveyor belts convey the electrical connector.

[0013] In a preferred embodiment, a push rod is vertically slidably connected above one side of the mounting frame, one end of the push rod is located above the slide rail, and the other end of the push rod is located at a position below the front end of the two conveyor belts. An elastic component is sleeved on the outer side of the push rod, and the elastic component is used to reset the push rod downward.

[0014] In a preferred embodiment, a push rod 2 is vertically slidably connected below one side of the mounting frame, one end of the push rod 2 is located below the slide rail, and the other end of the push rod 2 is located above a accommodating groove on the side of the conveying component away from the label insertion component. An elastic component 2 is sleeved on the outer side of the push rod 2, and the elastic component 2 is used to reset the push rod 2 upward.

[0015] The present invention also provides a detection method of an electrical connector pin detection device, comprising the following steps:

[0016] Step 1: Use a clamp to clamp the electrical connector;

[0017] Step 2: The flip assembly drives the inserting assembly to rotate so that the pin of the electrical connector is inserted downward into the slot of the elastic marking member;

[0018] Step 3: The label inserting component is driven to rotate by flipping the component so that the pin of the electrical connector faces upward to the visual camera;

[0019] Step 4: Use a visual camera to capture images of the pins, use an image processing system to extract features, and identify pin defects.

[0020] Technical effects and advantages of the present invention:

[0021] The present invention adopts an elastic marking part provided at the bottom of the normal pin, so that the normal pin and the short pin can be distinguished in the image taken by the visual camera, so that the short pin defect can be identified, and the defects of the normal pin, missing pin, bent pin and short pin can be identified and distinguished in one shot, which is conducive to counting the frequency of occurrence of various defects.

[0022] The present invention provides a flip assembly, which can not only drive the electrical connector to flip up and down to realize the marking of the pin by the elastic marking part and the shooting of the electrical connector by the visual camera, but also can drive the push rod 1 to push the electrical connector to be inspected into the receiving groove by moving upward, and can drive the push rod 2 to push the inspected electrical connector out of the receiving groove by moving downward. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0024] Figure 2 It is a schematic diagram of the local structure of the present invention Figure 1 .

[0025] Figure 3 It is a schematic diagram of the local structure of the present invention Figure 2 .

[0026] Figure 4 For the present invention Figure 3 sectional view of .

[0027] Figure 5 For the present invention Figure 4 A magnified view of the local structure at point A.

[0028] Figure 6 It is a schematic diagram of the installation of the power component of the present invention.

[0029] Figure 7 It is a schematic diagram of the structure of the electrical connector and the elastic marking member of the present invention.

[0030] Figure 8 It is a schematic structural diagram of the feeding assembly and the conveying assembly of the present invention.

[0031] Fig. 9 It is a schematic diagram of the structure of the push rod 1 and the push rod 2 of the present invention.

[0032] Fig.10 It is a schematic diagram of the present invention installed on a workbench.

[0033] Fig.11 Flow chart of the detection method of the present invention.

[0034] The accompanying drawings are marked as follows: 1, bottom plate; 10, workbench; 11, mounting frame 1; 2, marking assembly; 21, fixing table; 211, inner cavity; 22, groove; 23, elastic marking member; 231, slot; 3, visual camera; 4, inserting assembly; 41, connecting seat; 42, clamp; 421, housing; 422, clamping finger; 423, gear teeth; 424, rotating drive member 1; 5, flip assembly; 51, spindle; 52, rotating wheel; 521, tooth groove; 522, plane; 5 3. Pin shaft; 54. Upper baffle; 55. Lower baffle; 56. Power component; 561. Slide rail; 562. Rotating arm; 563. Rotating drive component 2; 6. Loading assembly; 61. Mounting frame 2; 62. Turntable; 63. Rotating drive component 3; 64. Receiving groove; 65. Elastic pad; 7. Conveying assembly; 71. Bracket; 72. Conveyor belt; 8. Push rod 1; 81. Elastic component 1; 9. Push rod 2; 91. Elastic component 2; 100. Electrical connector; 101. Pin. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] Refer to the instruction manual Figure 1-Figure 11 An electrical connector pin detection device includes a base plate 1, a mounting frame 11 and a marking component 2 are mounted on the base plate 1, the marking component 2 is arranged at the front side of the mounting frame 11, the marking component 2 includes a fixing table 21, a plurality of grooves 22 are arranged on the upper surface of the fixing table 21, each groove 22 contains an elastic marking member 23, a slot 231 is opened on the upper surface of the elastic marking member 23, a pin 101 of the power connector 100 is inserted into the slot 231, and the elastic marking member 23 is elastically elastic. The functional sleeve is disposed on the end of the plug pin 101; a label inserting assembly 4 is disposed above the marking assembly 2, and the label inserting assembly 4 includes a connecting seat 41, on which a clamp 42 is installed, and the clamp 42 is used to clamp the electrical connector 100; a visual camera 3 is installed at the upper end of the mounting frame 11, and the visual camera 3 is used to perform visual inspection on the plug pin 101; a flip assembly 5 is disposed on the rear side of the mounting frame 11, and the flip assembly 5 is used to drive the label inserting assembly 4 to rotate, so that the plug pin 101 faces the marking assembly 2 or the visual camera 3.

[0037] It should be noted that the elastic marking member 23 is made of rubber. When the pin 101 is inserted downward into the slot 231, the elasticity of the rubber allows the elastic marking member 23 to be sleeved on the end of the pin 101. An annular light source is provided at the lower side of the visual orientation for supplementary lighting when shooting images.

[0038] In this embodiment, the implementation method is specifically as follows: during the inspection, the electric connector 100 is first clamped by the clamp 42, and then the plug-in component 4 is driven to rotate by the flip component 5, so that the electric connector 100 faces downward and the pin 101 is inserted into the inside of the slot 231, and then the flip component 5 drives the plug-in component 4 to rotate upward, so that the pin 101 of the electric connector 100 faces the visual camera 3 upward, and the visual camera 3 takes an image of the pin 101, extracts features through the image processing system, and identifies defects of the pin 101. The defects of the pin 101 include missing pins, bent pins, and short pins. Missing pins refer to a reduction in the number of pins 101, bent pins refer to a bending of the pin 101, and short pins refer to a shorter length of the pin 101 than a normal qualified pin 101. In the above detection process, when the pin 101 is inserted into the slot 231, only the normal pin 101 can be inserted. The missing pin cannot be inserted into the slot 231 because the corresponding pin 101 does not exist, the bent pin cannot be inserted into the slot 231 because the pin 101 is bent, and the short pin cannot be inserted into the slot 231. In this way, in the image taken by the visual camera 3, the features of the normal pin 101 and the various defective pins 101 are different. The normal pin 101 shows the circular shape of the bottom surface of the elastic marking part 23 in the image, the missing pin has no shape in the area, the bent pin shows a long strip, and the short pin shows the circular shape of the bottom end of the pin 101. In this way, the normal pin 101 and the defective pin 101 can be distinguished, and the defect can be identified.

[0039] The above technical solution adopts the method of setting an elastic marking part 23 at the bottom of the normal pin 101, so that the normal pin 101 and the short pin can be distinguished in the image taken by the visual camera 3, so that the short pin defect can be identified, and the defects of the normal pin 101, missing pin, bent pin and short pin can be identified and distinguished in one shot, which is conducive to counting the frequency of occurrence of various defects.

[0040] In this embodiment, if Figure 4 and Figure 5 As shown, an inner cavity 211 is provided inside the fixing platform 21 , and the inner cavity 211 is connected to the output end of the vacuum generator, and the inner cavity 211 is connected to the bottom of each groove 22 .

[0041] It should be noted that before the pin 101 is inserted into the slot 231, the elastic marker 23 can be fixed by vacuum adsorption. After the pin 101 is inserted into the slot 231, the vacuum is broken to facilitate the normal pin 101 to take the elastic marker 23 away for shooting. After the shooting is completed, the pin 101 is moved downward to send the elastic marker 23 back to the inside of the groove 22. At this time, vacuum is drawn again. When the pin 101 leaves, the elastic marker 23 is separated from the pin 101 and is located inside the groove 22 to facilitate the next detection.

[0042] In this embodiment, if Figure 3-Figure 4 and Figure 6 As shown, the clamp 42 includes a shell 421, which is fixedly mounted on the connecting base 41, and two clamping fingers 422 are rotatably connected to the shell 421. The two clamping fingers 422 are provided with gear teeth 423 at one end close to the shell 421, and the gear teeth 423 on the two clamping fingers 422 are meshed with each other. A rotating driving member 424 is installed on the shell 421, and the output end of the rotating driving member 424 is fixedly connected to one of the clamping fingers 422.

[0043] It should be noted that the rotating drive member 424 adopts a motor, which drives one of the clamping fingers 422 to rotate, and then drives the other gear 423 to rotate through the engagement of the gear teeth 423, so that the front ends of the two clamping fingers 422 are close to or away from each other, so as to achieve clamping and loosening of the electrical connector 100.

[0044] In this embodiment, if Figure 1-Figure 2 and Figure 6 As shown, the flip assembly 5 includes a main shaft 51 and a rotating wheel 52 fixed on the main shaft 51, the connecting seat 41 is fixedly installed at the front end of the main shaft 51, the rotating wheel 52 is arranged on the front side of the mounting frame 11, one side of the rotating wheel 52 has a plurality of tooth grooves 521, both sides of the tooth grooves 521 have planes 522, and a row of pins 53 with the same number as the tooth grooves 521 is fixedly installed on one side in the front of the mounting frame 11 in the vertical direction, and the upper and lower sides of the pins 53 are respectively provided with an upper baffle 54 and a lower baffle 55 fixedly connected to the mounting frame 11, and the rear side of the mounting frame 11 is provided with a power component 56, which is used to drive the main shaft 51 and the rotating wheel 52 to rotate.

[0045] Furthermore, the power component 56 includes a slide rail 561 vertically slidably installed on the mounting frame 11, the rear end of the main shaft 51 is rotatably connected to the slide rail 561, and a rotating driving component 563 is installed on the rear side of the mounting frame 11. A rotating arm 562 is fixedly installed on the output end of the rotating driving component 563, and the end of the rotating arm 562 away from the rotating driving component 563 is horizontally slidably set in the slide rail 561.

[0046] It should be noted that the second rotary drive member 563 is a reduction motor, which drives the rotating arm 562 to rotate, and the rotating arm 562 slides inside the slide rail 561, thereby driving the slide rail 561 to move back and forth vertically. The slide rail 561 drives the main shaft 51 and the rotating wheel 52 to move back and forth vertically. Figure 2 The state shown is an initial state, in which the plane 522 is in contact with the side wall of the lower baffle 55. When the main shaft 51 and the rotating wheel 52 move upward, due to the limiting effect of the lower baffle 55, the main shaft 51 and the rotating wheel 52 drive the inserting assembly 4 to move upward without rotating. When moving to the tooth groove 521 to engage with the pin shaft 53, the plane 522 is disengaged from the lower baffle 55. Under the action of the engagement, the rotating wheel 52 and the main shaft 51 will rotate 180 degrees until the tooth groove 521 is disengaged from the pin shaft 53 and the plane 522 on the other side is in contact with the side wall of the upper baffle 54. In the process of the plane 522 being in contact with the upper baffle 54, due to the limiting effect of the upper baffle 54, the main shaft 51 and the rotating wheel 52 can drive the inserting assembly 4 to move upward without rotating. The same is true when the main shaft 51 and the rotating wheel 52 move downward. Therefore, the movement state of the inserting component 4 from top to bottom or from bottom to top is first linear movement, then rotation, and finally linear movement. The linear movement is convenient for the insertion of the pin 101 into the slot 231 and the pin 101 to approach the visual camera 3.

[0047] Refer to the instruction manual Figure 1-Figure 8 - Fig. 9 A loading assembly 6 is provided on one side of the mounting frame 11, and the loading assembly 6 includes a mounting frame 2 61, and the upper end of the mounting frame 2 61 is rotatably connected to a turntable 62, and a rotating driving member 3 63 is installed on the mounting frame 2 61, and the output end of the rotating driving member 3 63 is fixedly installed with the middle part of the turntable 62, and a plurality of receiving grooves 64 are opened in the circumferential direction of the turntable 62, and an elastic pad 65 is fixed on the inner side wall of the receiving groove 64, and the receiving groove 64 is used to accommodate the electrical connector 100. When the clamp 42 rotates to the inner side position of the receiving groove 64, the two clamping fingers 422 are respectively located on the upper and lower sides of the turntable 62, and the width of the clamping fingers 422 is smaller than the width of the receiving groove 64.

[0048] Furthermore, a conveying assembly 7 is provided on the rear side of the loading assembly 6, and the conveying assembly 7 includes a bracket 71. Two conveying belts 72 are installed side by side above the bracket 71. The front ends of the two conveying belts 72 extend to a position below one of the accommodating grooves 64. The two conveying belts 72 are used to clamp the electrical connector 100, so that the two conveying belts 72 transport the electrical connector 100.

[0049] Furthermore, a push rod 8 is vertically slidably connected to the upper side of one side of the mounting frame 11, one end of the push rod 8 is located above the slide rail 561, and the other end of the push rod 8 is located at a position below the front end of the two conveyor belts 72. An elastic component 81 is sleeved on the outer side of the push rod 8, and the elastic component 81 is used to reset the push rod 8 downward.

[0050] Furthermore, a push rod 29 is vertically slidably connected to the lower side of the mounting frame 11, one end of the push rod 29 is located below the slide rail 561, and the other end of the push rod 29 is located above a accommodating groove 64 on the side of the conveying component 7 away from the inserting component 4. An elastic component 291 is sleeved on the outer side of the push rod 29, and the elastic component 291 is used to reset the push rod 29 upward.

[0051] It should be noted that the elastic pad 65 is made of rubber and clamps the electrical connector 100 by elasticity. The rotating drive member 63 is a reduction motor, which is used to drive the turntable 62 to rotate (the rotation direction is Figure 1 The first elastic member 81 and the second elastic member 91 are both compression springs.

[0052] In this embodiment, the implementation method is specifically as follows: the electrical connector 100 is placed between two conveyor belts 72, and the electrical connector 100 can be conveyed toward the bottom of the receiving groove 64 by the two conveyor belts 72. Fig. 9 As shown, when the slide rail 561 moves to the top, it will push the push rod 1 8 upward, and the end of the push rod 1 8 will push the electrical connector 100 conveyed by the two conveyor belts 72 to the bottom of the receiving groove 64, so as to push it into the inside of the receiving groove 64 and be clamped. When the slide rail 561 moves to the bottom, it will push the push rod 2 9 downward, and the end of the push rod 2 9 will push the electrical connector 100 that has been tested in the receiving groove 64 and push it out of the receiving groove 64. This is the loading and unloading process of the electrical connector 100 during the detection process.

[0053] During the inspection of the electrical connector 100, the pin 101 is first inserted into the slot 231 and then flipped upward. When flipped to a horizontal state, the pin 101 will pass through the interior of the receiving slot 64, where there is no electrical connector 100. After flipping to the top and completing the inspection, the pin 101 is flipped downward and the elastic marking member 23 is placed in the groove 22. The pin is then flipped to a horizontal state and passes through the receiving slot 64 again. The two clamping fingers 422 release the inspected electrical connector 100. The electrical connector 100 is then clamped in the receiving slot 64. The rotating drive member 3 63 drives the turntable 62 to rotate and rotate the next electrical connector 100 to be inspected between the two clamping fingers 422. The two clamping fingers 422 clamp the electrical connector 100 and then flip it downward to insert it into the slot 231. This is the process of taking and placing the electrical connector 100 during the inspection process.

[0054] It is also necessary to explain that Fig.10 As shown, when in use, the device is installed on the workbench 10, and the conveying device of the previous station is connected to the rear side of the conveying component 7. The conveying device conveys the electrical connector 100 between the two conveyor belts 72, and then conveys it through the two conveyor belts 72.

[0055] The above technical solution, by setting a flip component 5, can not only drive the electrical connector 100 to flip up and down to realize the marking of the pin 101 by the elastic marking member 23 and the shooting of the electrical connector 100 by the visual camera 3, but also can drive the push rod 1 8 to push the electrical connector 100 to be inspected into the receiving groove 64 when moving upward, and can drive the push rod 2 9 to push the inspected electrical connector 100 out of the receiving groove 64 when moving downward.

[0056] Refer to the instruction manual Figure 1-Figure 11 This embodiment also provides a detection method for an electrical connector pin detection device, comprising the following steps:

[0057] Step 1: Use the clamp 42 to clamp the electrical connector 100;

[0058] Step 2: The flip assembly 5 drives the inserting assembly 4 to rotate so that the pin 101 of the electrical connector 100 is inserted downward into the slot 231 of the elastic marking member 23;

[0059] Step 3: The flip assembly 5 drives the inserting assembly 4 to rotate so that the pin 101 of the electrical connector 100 faces the visual camera 3 upward;

[0060] Step 4: Use the visual camera 3 to capture an image of the plug pin 101 , perform feature extraction through the image processing system, and identify defects of the plug pin 101 .

[0061] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An electrical connector pin detection device, Features: The invention comprises a base plate (1), on which a mounting frame (11) and a marking component (2) are mounted, wherein the marking component (2) is arranged at the front side of the mounting frame (11), and the marking component (2) comprises a fixing table (21), wherein the upper surface of the fixing table (21) is provided with a plurality of grooves (22), wherein each groove (22) contains an elastic marking member (23), and wherein the upper surface of the elastic marking member (23) is provided with a slot (231), wherein a plug pin (101) of a power supply connector (100) is inserted into the slot (231), so that the plug pin (101) is sleeved on the end of the plug pin (101) by the elastic action of the elastic marking member (23); A label inserting assembly (4) is arranged above the marking assembly (2), the label inserting assembly (4) comprising a connecting seat (41), a clamp (42) being mounted on the connecting seat (41), the clamp (42) being used to clamp the electrical connector (100); A visual camera (3) is installed at the upper end of the mounting frame 1 (11), and the visual camera (3) is used to perform visual inspection on the plug pin (101); A flip assembly (5) is provided on the rear side of the mounting frame 1 (11), and the flip assembly (5) is used to drive the marking assembly (4) to rotate, so that the insertion pin (101) faces the marking assembly (2) or the visual camera (3); An inner cavity (211) is provided inside the fixing platform (21), the inner cavity (211) is connected to the output end of the vacuum generator, and the inner cavity (211) is connected to the bottom of each groove (22); Before the insertion pin (101) is inserted into the slot (231), the elastic marking piece (23) is fixed by vacuum adsorption, and after the insertion pin (101) is inserted into the slot (231), the vacuum is broken so that the normal insertion pin (101) takes the elastic marking piece (23) away for photographing.

2. An electrical connector pin detection device according to claim 1, Features: The clamp (42) comprises a shell (421), the shell (421) being fixedly mounted on the connecting seat (41), the shell (421) being rotatably connected to two clamping fingers (422), the two clamping fingers (422) being provided with gear teeth (423) at one end close to the shell (421), the gear teeth (423) on the two clamping fingers (422) being meshed with each other, and a rotating driving member (424) being mounted on the shell (421), the output end of the rotating driving member (424) being fixedly connected to one of the clamping fingers (422).

3. The electrical connector pin detection device according to claim 1, Features: The turning assembly (5) comprises a main shaft (51) and a rotating wheel (52) fixed on the main shaft (51); the connecting seat (41) is fixedly mounted on the front end of the main shaft (51); the rotating wheel (52) is arranged on the front side of the mounting frame (11); one side of the rotating wheel (52) has a plurality of tooth grooves (521); both sides of the tooth grooves (521) have planes (522); a row of pins (53) having the same number as the tooth grooves (521) is fixedly mounted on one side in the vertical direction in front of the mounting frame (11); an upper baffle plate (54) and a lower baffle plate (55) fixedly connected to the mounting frame (11) are respectively arranged on the upper side and the lower side of the pins (53); a power component (56) is arranged on the rear side of the mounting frame (11); the power component (56) is used to drive the main shaft (51) and the rotating wheel (52) to rotate.

4. An electrical connector pin detection device according to claim 3, Features: The power component (56) comprises a slide rail (561) vertically slidably mounted on the first mounting frame (11); the rear end of the main shaft (51) is rotatably connected to the slide rail (561); a second rotating driving member (563) is mounted on the rear side of the first mounting frame (11); a rotating arm (562) is fixedly mounted on the output end of the second rotating driving member (563); and an end of the rotating arm (562) away from the second rotating driving member (563) is horizontally slidably arranged in the slide rail (561).

5. An electrical connector pin detection device according to claim 4, Features: A loading assembly (6) is provided on one side of the mounting frame 1 (11), and the loading assembly (6) includes a mounting frame 2 (61), the upper end of the mounting frame 2 (61) is rotatably connected to a turntable (62), a rotating drive member 3 (63) is installed on the mounting frame 2 (61), and the output end of the rotating drive member 3 (63) is fixedly installed with the middle part of the turntable (62), a plurality of receiving grooves (64) are opened in the circumferential direction of the turntable (62), an elastic pad (65) is fixed on the inner side wall of the receiving groove (64), and the receiving groove (64) is used to receive the electrical connector (100), and when the clamp (42) is rotated to the inner side position of the receiving groove (64), the two clamping fingers (422) are respectively located on the upper side and the lower side of the turntable (62), and the width of the clamping fingers (422) is smaller than the width of the receiving groove (64).

6. An electrical connector pin detection device according to claim 5, Features: A conveying assembly (7) is arranged at the rear side of the loading assembly (6), and the conveying assembly (7) comprises a bracket (71). Two conveying belts (72) arranged side by side are installed above the bracket (71), and the front ends of the two conveying belts (72) extend to a position below one of the accommodating grooves (64). The two conveying belts (72) are used to clamp the electrical connector (100), so that the two conveying belts (72) convey the electrical connector (100).

7. An electrical connector pin detection device according to claim 6, Features: A push rod (8) is vertically slidably connected to the upper side of one side of the mounting frame (11), one end of the push rod (8) is located above the slide rail (561), and the other end of the push rod (8) is located at a position below the front ends of the two conveyor belts (72). An elastic component (81) is sleeved on the outer side of the push rod (8), and the elastic component (81) is used to reset the push rod (8) downward.

8. The electrical connector pin detection device according to claim 6, Features: A push rod (9) is vertically slidably connected below one side of the mounting frame (11), one end of the push rod (9) being located below the slide rail (561), and the other end of the push rod (9) being located above a receiving groove (64) on a side of the conveying assembly (7) away from the label inserting assembly (4). An elastic component (91) is sleeved on the outer side of the push rod (9), and the elastic component (91) is used to reset the push rod (9) upward.

9. A detection method of the electrical connector pin detection device according to any one of claims 1 to 8, It is characterized in that The following steps are involved: Step 1: Using a clamp (42) to clamp the electrical connector (100); Step 2: driving the inserting component (4) to rotate by means of the flipping component (5) so that the inserting pin (101) of the electrical connector (100) is inserted downward into the slot (231) of the elastic marking member (23); Step 3: driving the inserting component (4) to rotate by means of the flipping component (5) so that the plug pin (101) of the electrical connector (100) faces the visual camera (3) upwards; Step 4: Using a visual camera (3) to capture an image of the plug pin (101), extracting features through an image processing system, and identifying defects of the plug pin (101).

Images