Connector size detection device

Abstract

The utility model discloses a connector dimension detection device which sequentially comprises a first detection module, a second detection module, a third detection module, a fourth detection module and a fifth detection module according to a detection process. The first detection module, the second detection module, the third detection module, the fourth detection module and the fifth detection module are all installed on the rack, the workbench is provided with a conveying module used for conveying a connector, the first detection module is used for detecting the upper surface of the connector, the second detection module is used for detecting the lower surface of the connector, and the conveying module is used for conveying the connector. The third detection module is used for detecting the side face of the connector, and each of the first detection module, the second detection module and the third detection module comprises a 2D camera, a coaxial light source ring light source and a backlight source. According to the utility model, the connectors are detected from different angles through the plurality of detection modules with the 2D cameras and the 3D cameras, so that the automation degree of detection is improved, and the accuracy is ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of detection, and particularly relates to a connector size detection device. Background Art

[0002] Visual inspection is to use a machine to replace the human eye for measurement and judgment. Visual inspection refers to converting the captured target into an image signal through a machine vision product (i.e., an image acquisition device), transmitting it to a dedicated image processing system, and converting it into a digital signal according to information such as pixel distribution, brightness, and color. During the production process of connectors, it is necessary to detect the appearance of the connector housing and information such as PIN pins.

[0003] For existing connectors, manual observation and detection are usually adopted, and a large number of quality inspection personnel are required to complete the pass rate of qualified products. During the detection process, the detector mainly conducts visual inspection, which leads to a high misjudgment rate of product appearance and low inspection efficiency. Content of the Utility Model

[0004] The main technical problem to be solved by the utility model is to provide a connector size detection device, which detects the connector from different angles through multiple detection modules with 2D cameras and 3D cameras, improves the degree of automation of detection, and ensures accuracy.

[0005] To solve the above technical problem, a technical solution adopted by the utility model is: a connector size detection device, which sequentially includes a first detection module, a second detection module, a third detection module, a fourth detection module, and a fifth detection module according to the detection process. The first detection module, the second detection module, the third detection module, the fourth detection module, and the fifth detection module are all installed on a frame, and a conveying module for conveying the connector is installed on the workbench;

[0006] The first detection module is used to detect the upper surface of the connector, the second detection module is used to detect the lower surface of the connector, the third detection module is used to detect the side surface of the connector. The first detection module, the second detection module, and the third detection module all include a 2D camera, a coaxial light source, a ring light source, and a backlight source. The coaxial light source is located between the 2D camera and the ring light source, and the connector is located between the ring light source and the backlight source. The 2D camera, the coaxial light source, the ring light source, and the backlight source are all installed on the frame; the light emitted by the coaxial light source will be shown more evenly on the product surface, and the ring light source is an angular light, which will have an obvious effect on the defects of PIN pins and some protrusions. By simultaneously setting the coaxial light source and the ring light source, the accuracy of detection is ensured;

[0007] The connector is installed with PIN pins. The PIN pins have a first connection end and a second connection end. The first connection end is exposed on the lower surface of the connector and protrudes from the lower surface of the connector. The second connection end is exposed on the side surface of the connector. The fourth detection module is located below the connector, and the fourth detection module is used to detect the first connection end. The fifth detection module is located on the side surface of the connector, and the fifth detection module is used to detect the first connection end and the second connection end;

[0008] Both the fourth detection module and the fifth detection module include 3D cameras. The 3D cameras are installed on the frame. Multiple detection modules with 2D cameras and 3D cameras are used to detect the connector from different angles, improving the degree of automation of detection and ensuring accuracy.

[0009] Further, the conveying module includes a carrier for placing the connector and a conveying driving mechanism for driving the carrier to move horizontally.

[0010] Further, the conveying driving mechanism includes a lead screw and a conveying driving motor. The conveying driving motor is fixed on the frame, and the output shaft of the conveying driving motor is connected to the lead screw. The lead screw is threadedly connected to the carrier.

[0011] Further, the carrier is provided with a carrier groove matching the connector.

[0012] Further, a through hole corresponding to the first connection end is provided on the bottom surface of the carrier groove to facilitate the fourth detection module to detect the first connection end.

[0013] Further, support bars are provided on the bottom surface of the carrier groove, and a detection groove is formed between the support bars.

[0014] Further, a limiting protrusion is formed by the upward protrusion of the upper surface of the support bar. The connector is located between the limiting protrusion and the side wall of the carrier groove to prevent the connector from detaching from the carrier groove.

[0015] Further, mounting portions are provided on both sides of the connector. The carrier is provided with detection holes matching the mounting portions, and the detection holes penetrate the upper and lower surfaces of the carrier.

[0016] Further, a barcode scanner is provided upstream of the first detection module. The barcode scanner is located above the connector, and the barcode scanner is fixed on the frame.

[0017] Further, the 2D camera is installed with a lens. The lens is located between the 2D camera and the coaxial light source, and the lens is installed in a mounting frame. The mounting frame is installed on the frame.

[0018] The beneficial effects of the present utility model at least include the following aspects:

[0019] The first detection module of the present utility model is used to detect the upper surface of the connector, the second detection module is used to detect the lower surface of the connector, the third detection module is used to detect the side surface of the connector. The first detection module, the second detection module and the third detection module all include 2D cameras. The fourth detection module is located below the connector and is used to detect the first connection end. The fifth detection module is located on the side of the connector and is used to detect the first connection end and the second connection end. The fourth detection module and the fifth detection module both include 3D cameras. By using multiple detection modules with 2D cameras and 3D cameras to detect the connector from different angles, the degree of automation of detection is improved and the accuracy is guaranteed.

[0020] The first detection module, the second detection module and the third detection module of the present utility model all include 2D cameras, coaxial light sources, ring light sources and backlight sources. The light emitted by the coaxial light source will be shown more evenly on the product surface. The ring light source is angular light and has an obvious effect on the defects of PIN pins and some protrusions. By setting the coaxial light source and the ring light source at the same time, the accuracy of detection is guaranteed.

[0021] A through hole corresponding to the first connection end is provided on the bottom surface of the carrier slot of the present utility model to facilitate the fourth detection module to detect the first connection end of the PIN pin from below.

[0022] Support bars are provided on the bottom surface of the carrier slot of the present utility model, and detection slots are formed between the support bars, which is convenient for the fifth detection module to detect the first connection end and at the same time the fifth detection module detects the second connection end of the PIN pin. Description of the Drawings

[0023] Figure 1 is one of the structural schematic diagrams of the present utility model;

[0024] Figure 2 is another structural schematic diagram of the present utility model;

[0025] Figure 3 is the structural schematic diagram of the first detection module of the present utility model;

[0026] Figure 4 is the structural schematic diagram of the second detection module of the present utility model;

[0027] Figure 5 is the structural schematic diagram of the third detection module of the present utility model;

[0028] Figure 6 is the structural schematic diagram of the conveying module of the present utility model;

[0029] Figure 7It is a schematic structural diagram of the fifth detection module of the present utility model;

[0030] Figure 8 It is a side view of the carrier and the connector of the present utility model;

[0031] Figure 9 It is a sectional view of the carrier and the connector of the present utility model;

[0032] Figure 10 It is a schematic structural diagram of the carrier of the present utility model;

[0033] Figure 11 It is a schematic structural diagram of the connector of the present utility model

[0034] The markings of each part in the drawings are as follows:

[0035] 1. First detection module; 2. Second detection module; 21. 2D camera; 211. Lens; 212. Mounting frame; 22. Coaxial light source; 23. Ring light source; 24. Backlight; 3. Third detection module; 4. Fourth detection module; 41. 3D camera; 5. Fifth detection module; 6. Frame; 7. Connector; 711. First connection end; 712. Second connection end; 72. Mounting part; 8. Conveyor module; 81. Carrier; 811. Carrying groove; 812. Through hole; 813. Support bar; 814. Detection groove; 815. Limit protrusion; 816. Detection hole; 82. Lead screw; 84. Relief hole; 83. Conveyor drive motor; 9. Barcode scanner; 10. Controller. Detailed implementation manners

[0036] The following elaborates on the preferred embodiments of the present utility model in conjunction with the drawings, so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present utility model.

[0037] Embodiment: A connector size detection device, as Figure 1 and as Figure 2 shown, sequentially includes a first detection module 1, a second detection module 2, a third detection module 3, a fourth detection module 4, and a fifth detection module 5 according to the detection process. The first detection module 1, the second detection module 2, the third detection module 3, the fourth detection module 4, and the fifth detection module 5 are all installed on a frame 6, and a conveyor module 8 for conveying a connector 7 is installed on the workbench;

[0038] The first detection module 1 is used to detect the upper surface of the connector 7, the second detection module 2 is used to detect the lower surface of the connector 7, and the third detection module 3 is used to detect the side surface of the connector 7, as Figure 3 、as Figure 4 and as Figure 5As shown, the first detection module 1, the second detection module 2, and the third detection module 3 all include a 2D camera 21, a coaxial light source 22, an annular light source 23, and a backlight 24. The coaxial light source 22 is located between the 2D camera 21 and the annular light source 23. The connector 7 is located between the annular light source 23 and the backlight 24. The 2D camera 21, the coaxial light source 22, the annular light source 23, and the backlight 24 are all installed on the frame 6.

[0039] During specific implementation, the annular light source of the first detection module is located above the connector, and the backlight of the first detection module is located below the connector;

[0040] The annular light source of the second detection module is located below the connector, and the backlight of the second detection module is located above the connector;

[0041] The annular light source of the third detection module is located on one side of the connector, and the backlight of the third detection module is located on the other side of the connector;

[0042] As Figure 8 and Figure 11 shown, the connector 7 is equipped with PIN pins. The PIN pins have a first connection end 711 and a second connection end 712. The first connection end 711 is exposed on the lower surface of the connector 7 and protrudes from the lower surface of the connector 7. The second connection end 712 is exposed on the side surface of the connector 7. The fourth detection module 4 is located below the connector 7, and the fourth detection module 4 is used to detect the first connection end 711. The fifth detection module 5 is located on the side of the connector 7, and the fifth detection module 5 is used to detect the first connection end 711 and the second connection end 712. In this embodiment, the third detection module is used to detect one side surface of the second connection end of the connector;

[0043] As Figure 7 shown, the fourth detection module 4 and the fifth detection module 5 both include a 3D camera 41. The 3D camera 41 is installed on the frame 6.

[0044] The conveying module 8 includes a carrier 81 for placing the connector 7 and a conveying drive mechanism for driving the carrier 81 to move horizontally;

[0045] In this embodiment, the carrier is provided with a relief hole 84, which facilitates the backlight of the third detection module to pass through during the detection of the third detection module;

[0046] During specific implementation, when the connector is placed on the carrier, the second connection end of the PIN pin is located on the side close to the fifth detection module.

[0047] As Figure 6As described above, the conveying drive mechanism includes a lead screw 82 and a conveying drive motor 83. The conveying drive motor 83 is fixed to the frame 6, and the output shaft of the conveying drive motor 83 is connected to the lead screw 82. The lead screw 82 is threadedly connected to the carrier 81.

[0048] The carrier 81 is provided with a carrier slot 811 that matches the connector 7.

[0049] A through hole 812 corresponding to the first connection end 711 is provided on the bottom surface of the carrier slot 811 to facilitate the fourth detection module 4 to detect the first connection end 711.

[0050] As Figure 10 As described above, support bars 813 are provided on the bottom surface of the carrier slot 811, and a detection slot 814 is formed between the support bars 813 to facilitate the fifth detection module to detect the first connection end and at the same time the fifth detection module to detect the second connection end of the PIN pin.

[0051] A limiting protrusion 815 is formed by the upward protrusion of the upper surface of the support bar 813, and the connector 7 is located between the limiting protrusion 815 and the side wall of the carrier slot 811 to prevent the connector 7 from detaching from the carrier slot 811.

[0052] As Figure 9 As described above, mounting portions 72 are provided on both sides of the connector 7, and the carrier 81 is provided with detection holes 816 that match the mounting portions 72. The detection holes 816 penetrate the upper and lower surfaces of the carrier 81, so as to facilitate the second detection module to detect the size of the mounting portion.

[0053] A barcode scanner 9 is provided upstream of the first detection module 1. The barcode scanner 9 is located above the connector 7, and the barcode scanner 9 is fixed to the frame 6.

[0054] In this embodiment, the barcode scanner, the first detection module, the second detection module, the third detection module, the fourth detection module, the fifth detection module, and the conveying module are all electrically connected to the controller 10.

[0055] The 2D camera 21 is equipped with a lens 211. The lens 211 is located between the 2D camera 21 and the coaxial light source 22, and the lens 211 is mounted on the mounting frame 212. The mounting frame 212 is mounted on the frame 6.

[0056] The working principle of the present utility model is as follows: After placing the connector in the carrier slot of the carrier, the conveying drive motor drives the lead screw to rotate. The lead screw drives the connector carried by the carrier to first be scanned by the barcode scanner, and then successively detected by the first detection module, the second detection module, the third detection module, the fourth detection module, and the fifth detection module. The 2D camera of the first detection module takes pictures of the upper surface of the connector, the 2D camera of the second detection module takes pictures of the lower surface of the installation part of the connector, the 2D camera of the third detection module takes pictures of one side of the second connection end of the connector, the 3D camera of the fourth detection module takes pictures of the first connection end, and the 3D camera of the fifth detection module takes pictures of the first connection end and the second connection end of the PIN pins, improving the degree of automation of detection and ensuring accuracy.

[0057] The above are only embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent structural transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall be similarly included in the patent protection scope of the present utility model.

Claims

1. A connector size detection device, characterized in that: According to the detection process, the first detection module (1), the second detection module (2), the third detection module (3), the fourth detection module (4) and the fifth detection module (5) are included in sequence, the first detection module, the second detection module, the third detection module, the fourth detection module and the fifth detection module are all installed on a frame (6), and the frame is installed with a conveying module (8) for conveying a connector (7); The first detection module is used to detect the upper surface of the connector, the second detection module is used to detect the lower surface of the connector, and the third detection module is used to detect the side surface of the connector. The first detection module, the second detection module and the third detection module all comprise a 2D camera (21), a coaxial light source (22), a ring light source (23) and a backlight source (24). The coaxial light source is located between the 2D camera and the ring light source, the connector is located between the ring light source and the backlight source, and the 2D camera, the coaxial light source, the ring light source and the backlight source are all mounted on a frame; The connector is provided with a PIN needle, the PIN needle having a first connection end (711) and a second connection end (712), the first connection end being exposed to and protruding from the lower surface of the connector, the second connection end being exposed to a side surface of the connector, the fourth detection module being located below the connector, and the fourth detection module being used to detect the first connection end, the fifth detection module being located on a side surface of the connector, and the fifth detection module being used to detect the first connection end and the second connection end; The fourth detection module and the fifth detection module both include a 3D camera (41), and the 3D camera is installed on the frame.

2. The connector size detection device according to claim 1, wherein: The conveying module comprises a carrier (81) for placing a connector and a conveying drive mechanism for driving the carrier to move horizontally.

3. The connector size detection device according to claim 2, characterized in that: The conveying drive mechanism comprises a screw rod (82) and a conveying drive motor (83), the conveying drive motor is fixed to the frame, and the output shaft of the conveying drive motor is connected to the screw rod, and the screw rod is threadedly connected to the carrier.

4. The connector size detection device according to claim 2, wherein: The carrier is provided with a carrier slot (811) matching the connector.

5. The connector size detection device according to claim 4, wherein: The bottom surface of the loading slot is provided with a through hole (812) corresponding to the first connection end so as to facilitate the fourth detection module to detect the first connection end.

6. The connector size detection device according to claim 4, wherein: The bottom surface of the loading slot is provided with support bars (813), and a detection slot (814) is formed between the support bars.

7. The connector size detection device according to claim 6, wherein: The upper surface of the support bar protrudes upward to form a limiting protrusion (815), and the connector is located between the limiting protrusion and the side wall of the loading slot to prevent the connector from being separated from the loading slot.

8. The connector size detection device according to claim 2, characterized in that: Mounting portions (72) are provided on both sides of the connector, and the carrier is provided with a detection hole (816) matching the mounting portions, the detection hole penetrating the upper and lower surfaces of the carrier.

9. The connector size detection device according to claim 1, wherein: A barcode scanner (9) is provided upstream of the first detection module, the barcode scanner is located above the connector, and the barcode scanner is fixed to the frame.

10. The connector size detection device according to claim 1, characterized in that: The 2D camera is equipped with a lens (211), the lens is located between the 2D camera and the coaxial light source, and the lens is installed in a mounting frame (212), and the mounting frame is installed on the frame.

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