ECU shell injection molding defect detection tool

Abstract

The utility model relates to the technical field of injection molding defect detection, in particular to an ECU shell injection molding defect detection tool. The technical problems that a common ECU shell injection molding defect detection tool achieves defect detection of ECU shell injection molding through irradiation of a single light source and image collection of a camera, but in the actual situation, the detection accuracy is different due to the fact that the features presented by irradiation of different light sources and different materials are different, and the detection efficiency is poor are solved. And due to the lack of a detection structure capable of switching a light source, the detection flexibility needs to be improved. According to the technical scheme, the ECU shell injection molding defect detection tool comprises a workbench. Through the arrangement of the multi-light-source detection assembly, infrared rays and visible light can be flexibly selected for detection, the detection flexibility is improved, and the detection flexibility needs to be improved through a detection structure capable of switching light sources.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding defect detection, in particular to an ECU shell injection molding defect detection tool. Background Art

[0002] ECU, or electronic control unit, has high requirements for waterproofing and miniaturization, so a reliable shell is needed for protection. After the shell is produced, it needs to be inspected through the ECU shell injection molding defect detection tooling.

[0003] Common ECU housing injection molding defect detection tooling uses a single light source for illumination and then uses a camera to capture images to achieve ECU housing injection molding defect detection. However, in actual situations, different materials and different light sources present different characteristics, resulting in different detection accuracy. Due to the lack of a detection structure that can switch light sources, the flexibility of detection needs to be improved.

[0004] Therefore, the problem that the above-mentioned ECU housing injection molding defect detection tooling lacks a detection structure with a switchable light source, resulting in the need to improve the flexibility of detection, needs to be solved urgently to improve the usage scenario. Utility Model Content

[0005] In order to overcome the common ECU housing injection molding defect detection tooling, there is a lack of a detection structure with a switchable light source, resulting in the problem that the flexibility of detection needs to be improved.

[0006] The technical solution of the utility model is: an ECU shell injection molding defect detection tooling, including a workbench, a PLC processing host is installed near the left side of the top of the workbench, a mounting frame is installed at the upper end of the workbench, a fixed frame is arranged in the middle of the top of the mounting frame, a movable block is slidably connected inside the fixed frame, a moving component is installed in the middle of the fixed frame, a multi-light source detection component is connected to the bottom of the movable block, and a supporting component is installed at the middle of the mounting frame on the top of the workbench.

[0007] Preferably, by setting up a multi-light source detection component, infrared and visible light can be flexibly selected for detection, thereby improving the flexibility of detection, so as to solve the problem of common ECU housing injection molding defect detection tooling, which realizes ECU housing injection molding defect detection by irradiating with a single light source and then acquiring images through a camera. However, in actual situations, for different materials, the irradiation of different light sources presents different characteristics, resulting in different detection accuracy. Due to the lack of a detection structure with switchable light sources, the flexibility of detection needs to be improved.

[0008] Preferably, the moving component includes a drive motor, a coupling, and a screw; the drive motor is connected to the right side of the fixed frame, the left end of the drive motor passes through the right end of the fixed frame and is connected to the coupling, and a screw is installed on the left side of the coupling. When the drive motor is started, the coupling rotates to drive the screw to rotate.

[0009] Preferably, the movable assembly includes a threaded sleeve; a threaded sleeve is installed transversely in the middle of the movable block, the screw rod is transmission-connected with the threaded sleeve, and the screw rod rotates in coordination with the threaded sleeve to realize transverse movement of the movable block, thereby facilitating changing the detection position.

[0010] Preferably, the multi-light source detection component includes a connecting plate, a mounting seat, and an industrial CCD camera; the bottom of the movable block is connected to the connecting plate, the bottom of the front end of the connecting plate is equipped with a mounting seat, and the lower end of the mounting seat is provided with an industrial CCD camera. The image of the ECU housing is captured by the industrial CCD camera, and defect analysis is performed after being processed by the PLC host.

[0011] Preferably, the multi-light source detection component includes a rotating frame, a stepper motor, and a rotating wheel; the rotating frame is connected to the bottom of the rear end of the connecting plate, the stepper motor is installed on the top of the rear end of the connecting plate, and the rear end of the stepper motor is connected to the rotating wheel. When the stepper motor is started, the rotating wheel rotates.

[0012] Preferably, the multi-light source detection component includes a connecting rod, a flip block, a connecting wheel, a transmission belt, and an LED light source; the lower end of the rotating frame is connected to the connecting rod through a bearing, a flip block is installed in the middle of the connecting rod, a connecting wheel is provided at the rear end of the connecting rod, the connecting wheel is connected to the rotating wheel through an outer transmission belt, an infrared light source is installed at the bottom of the flip block, and an LED light source is installed at the top of the flip block. The rotating wheel drives the connecting wheel and the connecting rod to rotate through the transmission belt, thereby realizing the switching of the infrared light source and the LED light source, and can flexibly select infrared and visible light for detection, thereby improving the flexibility of detection.

[0013] Preferably, the supporting assembly includes a hydraulic lifting rod and a support plate; four hydraulic lifting rods are installed near the middle position on the top of the workbench, and a support plate is provided on the upper end of the hydraulic lifting rod, which can control the lifting of the hydraulic lifting rod and adjust the detection distance.

[0014] Beneficial effects of the utility model:

[0015] 1. Through the multi-light source detection component, infrared and visible light can be flexibly selected for detection, which improves the flexibility of detection. In order to solve the common ECU housing injection molding defect detection tooling, a single light source is used for irradiation, and then the camera is used for image acquisition to realize the defect detection of ECU housing injection molding. However, in actual situations, for different materials, different light sources present different characteristics of irradiation, resulting in different detection accuracy. Due to the lack of a detection structure that can switch light sources, the flexibility of detection needs to be improved;

[0016] 2. Start the stepper motor and rotate the wheel. An infrared light source is installed at the bottom of the flip block and an LED light source is installed on the top of the flip block. The rotating wheel drives the connecting wheel and the connecting rod to rotate through the transmission belt, which can realize the switching of the infrared light source and the LED light source. It can flexibly select infrared and visible light for detection, thereby improving the flexibility of detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 What is shown is a three-dimensional structural schematic diagram of an ECU housing injection molding defect detection tooling of the utility model;

[0018] Figure 2 What is shown is a schematic diagram of the installation structure of a support assembly of an ECU housing injection molding defect detection tooling of the utility model;

[0019] Figure 3 What is shown is a schematic diagram of the installation structure of a movable component of an ECU housing injection molding defect detection tooling of the utility model;

[0020] Figure 4 What is shown is a schematic diagram of the installation structure of a multi-light source detection component of an ECU housing injection molding defect detection tooling of the present utility model.

[0021] In the figure: 1. workbench; 2. PLC processing host; 3. mounting frame; 4. fixed frame; 5. movable block; 6. moving component; 7. multi-light source detection component; 8. supporting component; 601. driving motor; 602. coupling; 603. screw rod; 604. threaded sleeve; 701. connecting plate; 702. mounting seat; 703. industrial CCD camera; 704. rotating frame; 705. stepping motor; 706. rotating wheel; 707. connecting rod; 708. flip block; 709. connecting wheel; 710. transmission belt; 711. infrared light source; 712. LED light source; 801. hydraulic lifting rod; 802. pallet. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0023] See also Figure 1 The utility model provides an embodiment: an ECU shell injection molding defect detection tool, including a workbench 1, a PLC processing host 2 is installed on the top of the workbench 1 near the left side, a mounting frame 3 is installed on the upper end of the workbench 1, a fixed frame 4 is arranged in the middle of the top of the mounting frame 3, a movable block 5 is slidably connected inside the fixed frame 4, a moving component 6 is installed in the middle of the fixed frame 4, a multi-light source detection component 7 is connected to the bottom of the movable block 5, and a supporting component 8 is installed on the top of the workbench 1 in the middle of the mounting frame 3.

[0024] See also Figure 2In this embodiment, the supporting assembly 8 includes a hydraulic lifting rod 801 and a support plate 802; four hydraulic lifting rods 801 are installed near the middle position on the top of the workbench 1, and a support plate 802 is provided on the upper end of the hydraulic lifting rod 801, which can control the lifting and lowering of the hydraulic lifting rod 801 and adjust the detection distance.

[0025] See also Figure 3 In this embodiment, the moving component 6 includes a driving motor 601, a coupling 602, and a screw 603; the driving motor 601 is connected to the right side of the fixed frame 4, the left end of the driving motor 601 passes through the right end of the fixed frame 4 and is connected to the coupling 602, the screw 603 is installed on the left side of the coupling 602, the driving motor 601 is started, the coupling 602 rotates to drive the screw 603 to rotate, and the moving component 6 includes a threaded sleeve 604; a threaded sleeve 604 is installed horizontally in the middle of the movable block 5, the screw 603 is connected to the threaded sleeve 604 by transmission, the screw 603 rotates and cooperates with the threaded sleeve 604, the movable block 5 can be moved horizontally, and the detection position can be changed conveniently.

[0026] See also Figure 3-4 In this embodiment, the multi-light source detection component 7 includes a connecting plate 701, a mounting seat 702, and an industrial CCD camera 703; the bottom of the movable block 5 is connected to the connecting plate 701, the bottom of the front end of the connecting plate 701 is installed with a mounting seat 702, and the lower end of the mounting seat 702 is provided with an industrial CCD camera 703. The image of the ECU housing is collected by the industrial CCD camera 703, and the defect analysis is performed after the PLC processing host 2. The multi-light source detection component 7 includes a rotating frame 704, a stepper motor 705, and a rotating wheel 706; the bottom of the rear end of the connecting plate 701 is connected to the rotating frame 704, the top of the rear end of the connecting plate 701 is installed with a stepper motor 705, and the rear end of the stepper motor 705 is connected to a rotating wheel 706. When the stepper motor 705 is started, the rotating wheel 706 rotates, and the multi-light source detection component 7 includes a rotating frame 704, a stepper motor 705, and a rotating wheel 706. The light source detection component 7 includes a connecting rod 707, a flip block 708, a connecting wheel 709, a transmission belt 710, and an LED light source 712; the lower end of the rotating frame 704 is connected to the connecting rod 707 through a bearing, a flip block 708 is installed in the middle of the connecting rod 707, a connecting wheel 709 is provided at the rear end of the connecting rod 707, the connecting wheel 709 is connected to the rotating wheel 706 through the outer transmission belt 710, an infrared light source 711 is installed at the bottom of the flip block 708, and an LED light source 712 is installed on the top of the flip block 708. The rotating wheel 706 drives the connecting wheel 709 and the connecting rod 707 to rotate through the transmission belt 710, which can realize the switching of the infrared light source 711 and the LED light source 712, and can flexibly select infrared and visible light for detection, thereby improving the flexibility of detection.

[0027] When working, the injection molded shell to be inspected is placed on the support plate 802, the hydraulic lifting rod 801 can be controlled to rise and fall, the detection distance can be adjusted, the drive motor 601 is started, the coupling 602 rotates to drive the screw 603 to rotate, the screw 603 rotates and cooperates with the threaded sleeve 604 to achieve lateral movement of the movable block 5, which is convenient for changing the detection position, and the stepper motor 705 is started, the rotating wheel 706 rotates, and the rotating wheel 706 drives the connecting wheel 709 and the connecting rod 707 to rotate through the transmission belt 710, which can realize the switching of the infrared light source 711 and the LED light source 712, and can flexibly select infrared and visible light for detection, thereby improving the flexibility of detection, and the image of the ECU shell is collected by the industrial CCD camera 703, and the defect analysis is performed on the host 2 after PLC processing.

[0028] Through the above steps, by setting up the multi-light source detection component 7, it is possible to flexibly select infrared and visible light for detection, thereby improving the flexibility of detection, so as to solve the common ECU housing injection molding defect detection tooling, which uses a single light source for irradiation and then uses a camera for image acquisition to realize ECU housing injection molding defect detection. However, in actual situations, for different materials, the irradiation of different light sources presents different characteristics, resulting in different detection accuracy. Due to the lack of a detection structure with switchable light sources, the flexibility of detection needs to be improved.

[0029] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. An ECU housing injection molding defect detection tool, comprising a workbench (1), characterized in that: A PLC processing host (2) is installed near the left side of the top of the workbench (1); a mounting frame (3) is installed on the upper end of the workbench (1); a fixed frame (4) is arranged in the middle of the top of the mounting frame (3); a movable block (5) is slidably connected inside the fixed frame (4); a moving component (6) is installed in the middle of the fixed frame (4); a multi-light source detection component (7) is connected to the bottom of the movable block (5); and a supporting component (8) is installed in the middle of the top of the workbench (1) and located in the middle of the mounting frame (3).

2. The ECU housing injection molding defect detection tool according to claim 1, characterized in that: The moving assembly (6) comprises a driving motor (601), a coupling (602), and a screw (603); the right side of the fixed frame (4) is connected to the driving motor (601), the left end of the driving motor (601) passes through the right end of the fixed frame (4) and is connected to the coupling (602), and the left side of the coupling (602) is installed with the screw (603).

3. The ECU housing injection molding defect detection tool according to claim 2, characterized in that: The moving assembly (6) comprises a threaded sleeve (604); the threaded sleeve (604) is transversely installed in the middle of the movable block (5), and the screw rod (603) is transmission-connected with the threaded sleeve (604).

4. The ECU housing injection molding defect detection tool according to claim 1, characterized in that: The multi-light source detection component (7) comprises a connecting plate (701), a mounting seat (702), and an industrial CCD camera (703); the bottom of the movable block (5) is connected to the connecting plate (701), the bottom of the front end of the connecting plate (701) is equipped with the mounting seat (702), and the lower end of the mounting seat (702) is provided with the industrial CCD camera (703).

5. The ECU housing injection molding defect detection tool according to claim 4, characterized in that: The multi-light source detection component (7) comprises a rotating frame (704), a stepping motor (705), and a rotating wheel (706); the rotating frame (704) is connected to the bottom of the rear end of the connecting plate (701), the stepping motor (705) is installed on the top of the rear end of the connecting plate (701), and the rotating wheel (706) is connected to the rear end of the stepping motor (705).

6. The ECU housing injection molding defect detection tool according to claim 5, characterized in that: The multi-light source detection component (7) comprises a connecting rod (707), a flip block (708), a connecting wheel (709), a transmission belt (710), and an LED light source (712); the lower end of the rotating frame (704) is connected to the connecting rod (707) through a bearing, the flip block (708) is installed in the middle of the connecting rod (707), a connecting wheel (709) is arranged at the rear end of the connecting rod (707), the connecting wheel (709) is connected to the rotating wheel (706) through an outer transmission belt (710), an infrared light source (711) is installed at the bottom of the flip block (708), and an LED light source (712) is installed at the top of the flip block (708).

7. The ECU housing injection molding defect detection tool according to claim 1, characterized in that: The supporting assembly (8) comprises a hydraulic lifting rod (801) and a supporting plate (802); four hydraulic lifting rods (801) are installed near the middle of the top of the workbench (1), and the supporting plate (802) is arranged at the upper end of the hydraulic lifting rod (801).

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