Connector pin detection device

Abstract

The invention relates to the technical field of pin detection devices, and discloses a connector pin detection device which comprises a detection table, a detection unit and a power-on test table are arranged on the detection table, the detection unit comprises a bearing frame, and a plurality of detection probes are arranged on the bearing frame; and the rotating unit further comprises two groups of fixed seats arranged on the bearing frame and an angle adjusting wheel disc mounted on the shaft sleeve. According to the invention, the rotation unit is driven to rotate, so that the angle adjustment wheel disc can be rotated by a certain distance in each rotation, thereby enabling the detection end of the detection probe to rotate synchronously and switching the contact surface between the detection probe and the pin assembly, preventing the structure of the surface of the probe from being damaged after multiple times of detection, and improving the detection precision. And the judgment on the real conductivity of the pin is interfered, so that the misjudgment on the yield is generated in the production process, and the production cost is increased.

Description

Technical Field

[0001] The present invention relates to the technical field of pin detection devices, and more particularly to a connector pin detection device. Background Art

[0002] Connectors play a key role in connecting electrical circuits, transmitting signals and electricity. The quality and performance of their pins are directly related to the stability, reliability and safety of the entire electronic system. Connectors are usually composed of multiple pins, which must accurately meet the requirements of conductivity, mechanical structure integrity and other aspects to ensure the stable operation of the entire electronic system. When testing the conductivity of connector pins, probe contact measurement is a more commonly used method. This method mainly builds a detection circuit by closely contacting the probe with the pin, and then infers the conductive performance of the pin based on the current flow in the circuit and the size of the resistance value.

[0003] However, since the contact between the probe and the pin is physical contact, the probe will inevitably be worn during frequent detection operations. As the number of detections accumulates, the structure of the probe surface gradually changes, the integrity of the material is destroyed, and its surface roughness increases. This change in surface properties is directly reflected in the increase of contact resistance, which interferes with the judgment of the true conductive performance of the pin, resulting in misjudgment of the yield rate during the production process and increased production costs. Summary of the invention

[0004] The present invention provides a connector pin detection device to solve the technical problem in the related art that as the number of detections accumulates, the structure of the probe surface gradually changes, the integrity of the material is destroyed, the surface roughness increases, and the judgment of the true conductive performance of the pin is interfered, thereby causing misjudgment of the yield rate in the production process and increasing the production cost.

[0005] The present invention provides a connector pin detection device for performing power-on detection on a connector, comprising a detection platform, on which a detection unit and a power-on test platform are provided, the connector is assembled on the power-on test platform, the detection unit comprises a carrier frame, and a plurality of detection probes are provided on the carrier frame; a rotating unit, the rotating unit comprises a transmission member, the transmission member comprises a plurality of bearings connected to a sleeve on the carrier frame, a gear is installed on the sleeve; the rotating unit also comprises two groups of fixed seats arranged on the carrier frame and an angle adjustment wheel installed on the sleeve, the fixed seat is provided with a locking member and a driving member, the locking member is swung by the control of the driving member, the locking member intermittently drives the rotation of the angle adjustment wheel, and limits the rotation of the angle adjustment wheel.

[0006] As a further optimization scheme of the present invention, a spline shaft is slidably connected in the sleeve, and the spline shaft is installed on the outside of the detection probe. A mounting opening compatible with the detection probe is opened in the spline shaft, a second connecting frame is installed on the spline shaft, and a fixing unit is provided on the supporting frame for limiting the second connecting frame.

[0007] As a further optimization scheme of the present invention, the fixing unit includes a first connecting frame installed on the connecting block, and an electric push rod is installed on the first connecting frame. A pressure plate is installed at the telescopic end of the electric push rod, and a plurality of through holes are provided on the pressure plate.

[0008] As a further optimization scheme of the present invention, the angle adjustment wheel includes a rotating disk installed on two groups of the shaft sleeves, and a plurality of groups of limiting protrusions are distributed in a ring shape on the rotating disk, the limiting protrusions are fixedly connected to the rotating disk, and a claw groove is provided between every two adjacent limiting protrusions.

[0009] As a further optimization scheme of the present invention, the locking member includes a rotating frame rotatably connected to the fixed seat through a rotating shaft, and a first connecting shaft is connected to a bearing on the rotating frame, a claw is installed on the first connecting shaft, and the claw is engaged with a claw groove, and a locking tooth is installed on the side of the rotating frame close to the angle adjustment wheel.

[0010] As a further optimization solution of the present invention, a second torsion spring is provided on the first connecting shaft, and one end of the second torsion spring is fixedly connected to the rotating frame, and the other end of the second torsion spring is fixedly connected to the claw.

[0011] As a further optimization scheme of the present invention, the driving member includes a rotating shaft connected to the fixed seat by a bearing, and a cam is installed on the rotating shaft. The rotating frame is also rotatably connected to a roller through a bearing, and the roller is in contact with the outer edge of the cam.

[0012] As a further optimization scheme of the present invention, a motor is installed on the carrier frame, and a second connecting shaft is installed on the output shaft of the motor, a worm is symmetrically installed on the second connecting shaft, and a worm wheel is meshingly connected to the worm, a transmission shaft is installed on the worm wheel, and the transmission shaft is rotatably connected to the carrier frame through a bearing, and the rotating shaft and the transmission shaft are connected through a pulley transmission mechanism.

[0013] As a further optimization scheme of the present invention, a release unit is provided between the fixed seats, and the release unit includes a second cylinder installed on the supporting frame, and a push block is installed at the telescopic end of the second cylinder, and displacement blocks are provided on both sides of the push block close to the fixed seat, and the displacement blocks are installed on the fixed seat, a sliding groove corresponding to the position of the fixed seat is opened on the supporting frame, and a slider is slidably connected in the sliding groove, a spring is installed between the slider and the sliding groove, and the slider is installed on the fixed seat.

[0014] As a further optimization solution of the present invention, a first torsion spring is provided on the two groups of the shaft sleeves, and one end of the first torsion spring is mounted on the supporting frame, and the other end of the first torsion spring is mounted on the shaft sleeve.

[0015] The beneficial effect of the present invention is that the present invention drives the rotating unit to rotate, so that each rotation can rotate the angle adjustment wheel a certain distance, so that the detection end of the detection probe rotates synchronously and switches the contact surface with the pin assembly, so as to avoid the structure of the probe surface being damaged after multiple detections, interfering with the judgment of the actual conductive performance of the pin, thereby causing misjudgment of the yield rate in the production process and increasing the production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the present invention;

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the detection unit of the present invention;

[0018] Figure 3 It is a schematic diagram of the three-dimensional structure of the power-on test bench and the connector of the present invention;

[0019] Figure 4 It is a schematic diagram of the partial three-dimensional structure of the detection unit and the fixing unit of the present invention;

[0020] Figure 5 It is a schematic diagram of a partial three-dimensional structure of the connection between the first-form pin and the second-form pin and the detection probe of the present invention;

[0021] Figure 6 It is a schematic diagram of the internal three-dimensional structure of the detection unit of the present invention;

[0022] Figure 7 The present invention Figure 6 A magnified view of the structure at center;

[0023] Figure 8 It is a schematic diagram of the three-dimensional exploded structure of the transmission part of the present invention;

[0024] Fig. 9It is a partial three-dimensional structural schematic diagram of the transmission member, the locking member, the driving member and the release unit of the present invention;

[0025] Fig.10 It is a schematic diagram of the structure of the transmission member, the fixing seat, the locking member, the driving member, the angle adjustment wheel and the release unit of the present invention;

[0026] Fig.11 It is a partial three-dimensional structural schematic diagram of the locking member, the driving member and the release unit of the present invention;

[0027] Fig.12 The present invention Fig.11 A magnified view of the structure at B in the middle;

[0028] Fig.13 It is a schematic diagram of a partial three-dimensional structure of the carrier frame of the present invention.

[0029] In the figure: 100, test bench; 200, test unit; 210, bracket; 220, first cylinder; 230, connection block; 240, carrier; 2401, slide; 2402, slider; 2403, spring; 250, test probe; 2501, arc-shaped mouth; 300, power-on test bench; 310, boss; 320, positioning jig; 400, connector; 410, housing; 420, pin assembly; 4201, first form pin; 4202, second form pin; 500, fixing unit; 510, first connecting frame; 520, electric push rod; 530, pressure plate; 540, guide column; 600, rotating unit; 610, transmission member; 611, bushing; 612 , spline shaft; 613, second connecting frame; 614, rubber pad; 615, first torsion spring; 616, gear; 620, fixed seat; 630, locking member; 631, rotating frame; 632, first connecting shaft; 633, claw; 634, roller; 635, second torsion spring; 636, latching tooth; 640, driving member; 641, rotating shaft; 642, cam; 643, motor; 644, second connecting shaft; 645, worm; 646, worm wheel; 647, transmission shaft; 648, pulley transmission mechanism; 650, angle adjustment wheel; 651, rotating disk; 652, limiting protrusion; 660, release unit; 661, second cylinder; 662, push block; 663, displacement block. DETAILED DESCRIPTION

[0030] The subject matter described herein will now be discussed with reference to example implementations. It should be understood that the discussion of these implementations is only to enable those skilled in the art to better understand and implement the subject matter described herein, and the functions and arrangements of the elements discussed may be changed without departing from the scope of protection of the contents of this specification. Various examples may omit, replace, or add various processes or components as needed. In addition, the features described in some examples may also be combined in other examples.

[0031] According to the attached Figure 1 To Attachment Figure 3 As shown, a connector 400 pin detection device is used to perform power-on detection on the connector 400, including a detection platform 100, on which a detection unit 200 and a power-on test platform 300 are provided, and the connector 400 is assembled on the power-on test platform 300. The connector 400 includes a housing 410 and a pin assembly 420, and the pin assembly 420 is arranged in the housing 410. The power-on test platform 300 is used to energize the connector 400, and the detection unit 200 is used to perform power-on detection on the pin assembly 420.

[0032] Specifically, according to the attached Figure 1 and attached Figure 2 As shown, the detection unit 200 includes a bracket 210, on which a first cylinder 220 is mounted, and a connecting block 230 is mounted at the telescopic end of the first cylinder 220, on which a carrier 240 is mounted, and on which a plurality of detection probes 250 are arranged; one end of the detection probe 250 is a power supply end, which is connected to the power supply end through a wiring harness to supply power to the detection probe 250, and the other end of the detection probe 250 is a detection end, on which an arc-shaped opening 2501 is provided, and the arc-shaped opening 2501 is used to guide and position the pin assembly 420. When the detection probe 250 approaches the pin assembly 420, the arc-shaped opening 2501 can effectively guide the pin assembly 420 to smoothly enter the detection position by virtue of its unique shape and smooth edge, while reducing the risk of wear or misjudgment caused by improper contact, thereby greatly improving the accuracy and reliability of the detection.

[0033] In addition, according to the attached Figure 3 As shown, the power-on test bench 300 includes a boss 310 and a positioning fixture; a plurality of conductive posts can be installed in the boss 310 or a wiring harness socket can be set. When the connector 400 is tested for power-on, the conductive posts can be set to power one end of the detection probe 250 through the connector 400, or the wiring harness on the connector 400 can be connected to the wiring harness socket through the setting of the wiring harness socket, so as to power on the wiring harness, so as to facilitate power-on detection of the wiring harness; the positioning fixture 320 is installed on the boss 310 and is used to clamp and position the connector 400.

[0034] According to the attached Figure 4 and attached Figure 6 To Attachment Fig. 9 As shown, a rotating unit 600 is provided on the carrier 240, and the rotating unit 600 includes a transmission member 610. Specifically, the transmission member 610 includes a plurality of bearings connected to a sleeve 611 on the carrier 240, and a gear 616 is installed on the sleeve 611, and each row of two adjacent groups of gears 616 are meshed. In this embodiment, the detection probe 250 is provided with two rows, one row is twelve groups, and two rows are twenty-four groups, so as to facilitate the pin power-on detection of the connector 400 of 4P, 8P and 24P, and is not limited to the connector 400 of 4P, 8P and 24P, and can also be a connector 400 below 24P for pin detection. Of course, in order to meet a wider range of connector 400 detection needs, the number of detection probes 250 can also be flexibly adjusted according to the actual number of pins of the connector 400, and specifically can be any connector 400 including 2P to 50P.

[0035] Furthermore, according to the attached Fig.10 As shown, two sets of shaft sleeves 611 are provided with angle adjustment wheels 650, so that the rotation angle of the detection probe 250 can be accurately controlled. The angle adjustment wheel 650 includes a rotating disk 651 installed on two sets of shaft sleeves 611, and a plurality of sets of limiting protrusions 652 are distributed in an annular shape on the rotating disk 651. The limiting protrusions 652 are fixedly connected to the rotating disk 651, and a claw groove is provided between each two adjacent limiting protrusions 652. A locking member 630 is provided outside the claw 633, so that the rotation of the angle adjustment wheel 650 is intermittently driven by the locking member 630, and the rotation of the angle adjustment wheel 650 is limited.

[0036] According to the attached Fig. 9 and attached Fig.10 As shown, the rotating unit 600 also includes two sets of fixed seats 620 arranged on the carrier 240, and the locking member 630 includes a rotating frame 631 rotatably connected to the fixed seat 620 through a rotating shaft, and a first connecting shaft 632 is connected to the rotating frame 631 by a bearing, and a claw 633 is installed on the first connecting shaft 632, and the claw 633 is engaged with the claw groove, and a latch tooth 636 is installed on the side of the rotating frame 631 close to the angle adjustment wheel 650. Fig.10 and attached Fig.11 As shown, the driving member 640 includes a rotating shaft 641 connected to the fixed seat 620 by a bearing, and a cam 642 is installed on the rotating shaft 641; a roller 634 is also rotatably connected to the rotating frame 631 through a bearing, and the roller 634 is in contact with the outer edge of the cam 642.

[0037] It should be understood that one side of the cam 642 is semicircular and the other side of the cam 642 is arc-shaped, thereby forming a fan shape. When the cam 642 rotates to the semicircular surface, the driving rotating frame 631 approaches the angle adjustment wheel 650, so that the claw 633 pushes the claw groove, and the tooth 636 is engaged with the claw groove, so that the detection probe 250 rotates a certain angle. When the cam 642 rotates to the arc surface, the rotating frame 631 is reset, thereby driving the claw 633 to reset synchronously, so that the detection probe 250 can be pushed during the next rotation.

[0038] Furthermore, a motor 643 is mounted on the carrier 240, and a second connecting shaft 644 is mounted on the output shaft of the motor 643, a worm 645 is symmetrically mounted on the second connecting shaft 644, and a worm wheel 646 is meshingly connected to the worm 645, a transmission shaft 647 is mounted on the worm wheel 646, and the transmission shaft 647 is rotatably connected to the carrier 240 via a bearing, and the rotating shaft 641 and the transmission shaft 647 are connected via a pulley transmission mechanism 648.

[0039] It should be noted that when the driving motor 643 rotates, the motor 643 drives the second connecting shaft 644 to rotate, and through the worm gear 646 and the meshing connection with the worm 645, the transmission shaft 647 rotates, and through the action of the pulley transmission mechanism 648, the driving cam 642 rotates, thereby driving the angle adjustment wheel 650 to rotate, thereby adjusting the angle of the detection probe 250.

[0040] It should be noted that according to the attached Figure 5 As shown, the pin assemblies 420 of connectors 400 of different models generally have a variety of geometric shapes. In this embodiment, two specific examples are given, such as a first-form pin 4201 and a second-form pin 4202. When the detection probe 250 rotates, its detection end contacts the geometric surface of the first-form pin 4201 or the second-form pin 4202. Due to the different geometric surfaces of the pin assembly 420, the parts of the detection probe 250 that frequently contact the pins during the detection process are prone to wear.

[0041] When the detection probe 250 rotates a certain angle every time it works for a period of time, in this embodiment, the offset can be any angle, preferably 5° to 10°. This causes the contact surface that originally contacts the pin to be offset from the pin assembly 420 by an angle, allowing the parts that were not originally involved in the contact or had less contact to also participate in the contact process with the pin, dispersing the wear from the original concentrated position to the entire circumferential surface, thereby achieving the purpose of evenly allocating the wear and extending the service life of the probe. This not only reduces the replacement frequency of the detection probe 250, reduces the equipment maintenance cost and downtime, but also ensures the stability and reliability of the contact between the probe and the pin during the detection process, and improves the consistency and accuracy of the detection data.

[0042] According to the attached Fig. 9 , Attachment Fig.10 and attached Fig.13 As shown, a release unit 660 is provided between the fixed seats 620, and the release unit 660 includes a second cylinder 661 installed on the supporting frame 240, and a push block 662 is installed at the telescopic end of the second cylinder 661, and displacement blocks 663 are provided on both sides of the push block 662 close to the fixed seat 620, and the displacement blocks 663 are installed on the fixed seat 620; wherein, a slide groove 2401 corresponding to the position of the fixed seat 620 is opened on the supporting frame 240, and a slider 2402 is slidably connected in the slide groove 2401, a spring 2403 is installed between the slider 2402 and the slide groove 2401, and the slider 2402 is installed on the fixed seat 620.

[0043] It should be noted that the contact surface between the push block 662 and the displacement block 663 is inclined; when the second cylinder 661 performs telescopic movement, the push block 662 is controlled to move, so that the push block 662 drives the two groups of displacement blocks 663, so that the two groups of displacement blocks 663 move to both sides, so as to drive the fixed seat 620 to move synchronously, so that the clamping claw 633 and the angle adjustment wheel 650 are released from the limit. The first torsion spring 615 is provided on the two groups of sleeves 611, and one end of the first torsion spring 615 is installed on the carrier 240, and the other end of the first torsion spring 615 is installed on the sleeve 611; when the clamping claw 633 and the angle adjustment wheel 650 are released from the limit, the detection probe 250 is reset and rotated by the setting of the first torsion spring 615. The second cylinder 661 can be set so that the detection probe 250 is reset once when the angle adjustment wheel 650 rotates one circle, so as to avoid excessive distortion of the wiring harness connected to the detection probe 250.

[0044] In addition, according to the attached Fig.12 As shown, a second torsion spring 635 is provided on the first connecting shaft 632, and one end of the second torsion spring 635 is fixedly connected to the rotating frame 631, and the other end of the second torsion spring 635 is fixedly connected to the claw 633. Through the provision of the second torsion spring 635, when the claw 633 is separated from the claw groove, the claw 633 can be kept stable to avoid the dislocation of the claw 633 caused by shaking.

[0045] According to the attached Figure 4As shown, the fixing unit 500 includes a first connecting frame 510 mounted on the connecting block 230, and an electric push rod 520 is mounted on the first connecting frame 510, a pressing plate 530 is mounted on the telescopic end of the electric push rod 520, and a plurality of through holes for the wire harness to pass through are provided on the pressing plate 530, and a guide column 540 is slidably connected inside the first connecting frame 510, and the guide column 540 is mounted on the pressing plate 530. A spline shaft 612 is slidably connected inside the shaft sleeve 611, and the spline shaft 612 is mounted on the outside of the detection probe 250, and a mounting port adapted to the detection probe 250 is provided inside the spline shaft 612, and a second connecting frame 613 is mounted on the spline shaft 612, and a rubber pad 614 is installed on the second connecting frame 613, and the provision of the rubber pad 614 facilitates the increase of friction when the pressing plate 530 squeezes the second connecting frame 613.

[0046] When the detection probe 250 needs to be disassembled, the pressure plate 530 is controlled to move upward by the electric push rod 520 to release the limit of the detection probe 250, so that the staff can pull the detection probe 250 out of the sleeve 611 under the action of the sliding connection between the sleeve 611 and the spline shaft 612 to replace the worn detection probe 250.

[0047] An example of the present specific implementation mode is described above, but the present embodiment is not limited to the above-mentioned specific implementation mode, which is merely illustrative and not restrictive. A person skilled in the art may make many forms inspired by the present embodiment, all of which are protected by the present embodiment.

Claims

1. A connector pin detection device, used for performing power-on detection on a connector (400), characterized in that: include: A detection platform (100), wherein the detection platform (100) is provided with a detection unit (200) and a power-on test platform (300), the connector (400) is assembled on the power-on test platform (300), the detection unit (200) comprises a carrier (240), and a plurality of detection probes (250) are provided on the carrier (240); A rotating unit (600), the rotating unit (600) comprising a transmission member (610), the transmission member (610) comprising a plurality of bearings connected to a shaft sleeve (611) on the carrier frame (240), a gear (616) being mounted on the shaft sleeve (611); The rotating unit (600) further comprises two sets of fixing seats (620) arranged on the carrier frame (240) and an angle adjustment wheel disc (650) mounted on the shaft sleeve (611); the fixing seats (620) are provided with a locking member (630) and a driving member (640); the locking member (630) is swung under the control of the driving member (640); the locking member (630) intermittently drives the rotation of the angle adjustment wheel disc (650) and limits the rotation of the angle adjustment wheel disc (650).

2. A connector pin detection device according to claim 1, characterized in that: A spline shaft (612) is slidably connected inside the shaft sleeve (611), and the spline shaft (612) is mounted outside the detection probe (250). A mounting opening matching the detection probe (250) is provided inside the spline shaft (612), a second connecting frame (613) is mounted on the spline shaft (612), and a fixing unit (500) is provided on the support frame (240) for limiting the position of the second connecting frame (613).

3. A connector pin detection device according to claim 2, characterized in that: The fixing unit (500) comprises a first connecting frame (510) mounted on a connecting block (230), an electric push rod (520) being mounted on the first connecting frame (510), a pressing plate (530) being mounted on the telescopic end of the electric push rod (520), and a plurality of through holes being formed on the pressing plate (530).

4. A connector pin detection device according to claim 1, characterized in that: The angle adjustment wheel (650) comprises a rotating disk (651) mounted on two sets of the shaft sleeves (611), and a plurality of sets of limiting protrusions (652) are distributed in an annular shape on the rotating disk (651), the limiting protrusions (652) are fixedly connected to the rotating disk (651), and a claw groove is provided between every two adjacent limiting protrusions (652).

5. A connector pin detection device according to claim 4, characterized in that: The locking member (630) comprises a rotating frame (631) rotatably connected to the fixed seat (620) via a rotating shaft, and a first connecting shaft (632) is connected to the rotating frame (631) via a bearing, a claw (633) is mounted on the first connecting shaft (632), and the claw (633) is engaged with a claw groove, and a latch tooth (636) is mounted on a side of the rotating frame (631) close to the angle adjustment wheel (650).

6. A connector pin detection device according to claim 5, characterized in that: A second torsion spring (635) is provided on the first connecting shaft (632), one end of the second torsion spring (635) is fixedly connected to the rotating frame (631), and the other end of the second torsion spring (635) is fixedly connected to the claw (633).

7. A connector pin detection device according to claim 5, characterized in that: The driving member (640) comprises a rotating shaft (641) connected to the fixing seat (620) by a bearing, and a cam (642) is mounted on the rotating shaft (641). A roller (634) is also rotatably connected to the rotating frame (631) by a bearing, and the roller (634) is in contact with the outer edge of the cam (642).

8. A connector pin detection device according to claim 7, characterized in that: A motor (643) is mounted on the carrier (240), and a second connecting shaft (644) is mounted on the output shaft of the motor (643); a worm (645) is symmetrically mounted on the second connecting shaft (644), and a worm wheel (646) is meshingly connected to the worm (645); a transmission shaft (647) is mounted on the worm wheel (646), and the transmission shaft (647) is rotatably connected to the carrier (240) via a bearing; the rotating shaft (641) and the transmission shaft (647) are transmission-connected via a pulley transmission mechanism (648).

9. A connector pin detection device according to claim 1, characterized in that: A release unit (660) is provided between the fixed seats (620), the release unit (660) comprises a second cylinder (661) mounted on the support frame (240), and a push block (662) is installed at the telescopic end of the second cylinder (661), displacement blocks (663) are provided on both sides of the push block (662) close to the fixed seat (620), and the displacement blocks (663) are installed on the fixed seat (620), a slide groove (2401) corresponding to the position of the fixed seat (620) is opened on the support frame (240), and a slider (2402) is slidably connected in the slide groove (2401), a spring (2403) is installed between the slider (2402) and the slide groove (2401), and the slider (2402) is installed on the fixed seat (620).

10. A connector pin detection device according to claim 9, characterized in that: Two groups of the shaft sleeves (611) are provided with a first torsion spring (615), one end of the first torsion spring (615) is mounted on the bearing frame (240), and the other end of the first torsion spring (615) is mounted on the shaft sleeve (611).

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