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CN-121972422-A - Full-automatic needle arrangement detection equipment and detection method thereof

CN121972422ACN 121972422 ACN121972422 ACN 121972422ACN-121972422-A

Abstract

The application relates to the technical field of full-automatic pin arranging detection equipment, which comprises a first machine cabinet and a second machine cabinet and is characterized by further comprising a feeding assembly, a Charge Coupled Device (CCD) assembly, a sorting assembly, a collecting assembly and a control assembly, wherein the feeding assembly, the CCD assembly, the sorting assembly, the collecting assembly and the control assembly are arranged in the first machine cabinet, the feeding assembly is used for directionally arranging and conveying pins to the feeding assembly, the CCD assembly comprises a first CCD which is vertically installed, a second CCD and a third CCD which are horizontally installed, the sorting assembly and the collecting assembly are correspondingly distributed on two sides of a transmission path of the feeding assembly, and the control assembly is used for receiving images collected by the CCD assembly and outputting sorting instructions so as to control the sorting assembly to sort pins with qualified or unqualified appearance quality and sequentially send the pins to the collecting assembly. Thereby reducing manual intervention, reducing the rate of missed detection and false detection and ensuring the product quality. The application has the characteristics of improving the detection precision and efficiency.

Inventors

  • Lv Rongtong
  • ZHU LEI

Assignees

  • 东莞市连大精密制品有限公司

Dates

Publication Date
20260505
Application Date
20260331

Claims (10)

  1. 1. The full-automatic pin arranging detection equipment comprises a first machine cabinet (1) and a second machine cabinet (3), and is characterized by further comprising a feeding component (2) arranged in the first machine cabinet (1), a conveying component (4), a CCD component (5), a sorting component (6), a collecting component (7) and a control component (8) arranged in the second machine cabinet (3), wherein the feeding component (2) is used for directionally arranging and conveying pins to the conveying component (4), the CCD component (5) comprises a first CCD (51) which is vertically arranged, a second CCD (52) and a third CCD (53) which are arranged left and right, the sorting component (6) and the collecting component (7) are correspondingly distributed on two sides of a transmission path of the conveying component (4), and the control component (8) is used for receiving images collected by the CCD component (5) and outputting sorting instructions so as to control the sorting component (6) to sort pins with qualified or unqualified appearance and send pins into the collecting component (7) in sequence.
  2. 2. The full-automatic needle arranging detection device according to claim 1, wherein the first CCD (51), the second CCD (52) and the third CCD (53) are respectively provided with a light shielding protective shell (54) and at least one coaxial light source (55) which are matched in structure, wherein the first CCD (51) adopts a white LED surface light source, and the second CCD (52) and the third CCD (53) adopt green LED strip light sources.
  3. 3. The full-automatic pin header detection device according to claim 2, wherein the first number CCD (51), the second number CCD (52) and the third number CCD (53) can be adjusted by an angle to ensure that pins in a detection area are in a focusing range of a camera lens, and the coaxial light source (55) can be slid back and forth to ensure that an irradiation area of the coaxial light source needs to completely cover a shooting view field of the CCD assembly (5).
  4. 4. The full-automatic needle arranging detection device according to claim 1, wherein the feeding assembly (2) comprises a vibrating tray (21) and a linear vibrator (22), the vibrating tray (21) enables the needle arranging device to be arranged along a material channel of the linear vibrator (22) in an oriented mode through vibration, and the material channel penetrates through the outer walls of the first cabinet (1) and the second mechanism in sequence and is connected with the material conveying assembly (4).
  5. 5. The full-automatic pin arranging detection device according to claim 1, wherein the material conveying assembly (4) adopts a variable speed material conveying mechanism and comprises a belt conveying line (41), the belt conveying line (41) is driven by a servo motor to realize the speed adjustment, a positioning groove (411) is additionally arranged on the surface of the belt conveying line, and the groove width of the positioning groove (411) is matched with the width of the pin arranging.
  6. 6. The full-automatic pin header detection device according to claim 1, wherein the collection assembly (7) comprises four collection boxes (71) which are arranged at intervals along the conveying direction, wherein the first two collection boxes (71) are used for collecting the unqualified pins, the second two collection boxes (71) are used for collecting the qualified pins, the collection boxes (71) are integrally provided with an upper wide and lower narrow structure with two open ends and inclined guide surfaces, and a storage bag (72) is sleeved at the bottom opening of each collection box.
  7. 7. The full-automatic pin header detection device according to claim 6, wherein the sorting assembly (6) comprises four groups of air pressure nozzles (61) which are distributed continuously corresponding to the collecting box (71), the air pressure nozzles (61) are controlled by electromagnetic valves (63) and are fixed with photoelectric sensors (62) at the sides, and the electromagnetic valves (63) and the photoelectric sensors (62) are in signal connection with the control assembly (8).
  8. 8. The full-automatic needle arranging detection device according to claim 1, wherein the control assembly (8) comprises a workbench (81), a computer (82) erected on the workbench (81) and a control panel (83) fixed beside the computer (82), the workbench (81) is located above the sorting assembly (6), and the height of the computer (82) and the control panel (83) is level with the sight of a worker.
  9. 9. The full-automatic pin arranging detection device according to claim 8, wherein the computer (82) is internally provided with an image processing module and a counting module, wherein an edge detection algorithm is adopted to automatically identify key feature boundaries of pins in an image and a gray level comparison algorithm is adopted to identify plating defects and pin deformation of the pins, and the control panel (83) adopts a touch screen and integrates the functions of production related data, time status, parameter shortcut setting, hardware switch and the like.
  10. 10. A detection method applied to the full-automatic pin header detection equipment as claimed in any one of claims 1to 9, comprising the following steps: S1, presetting parameters such as an appearance defect judging threshold value, an image acquisition frame rate, sorting response delay and the like through the control component (8), completing self-checking calibration of each component after starting a system, ensuring action coordination precision of the CCD component (5), the material conveying component (4) and the sorting component (6), and enabling equipment to enter a working standby state; S2, checking that a material channel is not blocked, pouring the row pins into the feeding assembly (2), arranging the row pins in a regular way along the axis, removing the stacked row pins and inverting the row pins, and then sending the row pins in a qualified posture into the material conveying assembly (4) one by one to adapt to a material loading station; s3, the material conveying assembly (4) drives the pin header to sequentially pass through a detection area of the CCD assembly (5), the CCD assembly (5) synchronously collects multi-dimensional images of the positive side surface of the pin header and the end surface of the pin header, and collected image data are transmitted to the control assembly (8); S4, after receiving the image data, the control component (8) compares the image data with a preset threshold value through a preprocessing algorithm, accurately judges appearance defects such as pin bending, pin missing, scratch and the like, records unqualified defect information, generates a sorting instruction with path codes and sends the sorting instruction to the sorting component (6) in real time; S5, the sorting assembly (6) receives sorting instructions, sorting actions are respectively carried out on qualified pins and unqualified pins which come out of the detection area, the qualified pins and the unqualified pins are guided into the collecting assembly (7) in sequence to be collected in a sorting mode, and meanwhile the real-time statistics quantity is carried out and fed back to the control assembly (8) to be displayed.

Description

Full-automatic needle arrangement detection equipment and detection method thereof Technical Field The application relates to the technical field, in particular to full-automatic needle arrangement detection equipment and a detection method thereof. Background The pin header is a male connector widely applied to electronic equipment, and has the core function of building an electric connection bridge at a circuit blocking position or between isolated circuits so as to realize reliable transmission of current and signals. The quality of its appearance directly affects the assembly reliability of the downstream product. In the related art, manual visual inspection or single-function detection equipment is commonly adopted in the industry to detect the appearance quality of the row pins in batches. The manual visual inspection needs to be matched with a magnifying glass on a workbench for observation, an operator needs to manually turn over a row needle to inspect each surface, the detection efficiency is about 200-300 pieces/hour, and the detection efficiency is high, if a single-station fixed industrial camera is adopted to shoot the top of the row needle, the detection speed can be increased to 500 pieces/hour, but the side wall defect is possibly missed. The existing pin header appearance detection method has the following problems that subjective errors exist in manual detection, and the detection dimension of a single-camera system is not complete. With the popularization of various precision electronic products, the conventional means cannot meet the requirements of detection precision and efficiency on pin flatness and plating integrity of pin alignment pins. Disclosure of Invention In order to improve detection precision and efficiency, the application provides full-automatic pin header detection equipment and a detection method thereof. The application provides full-automatic needle arrangement detection equipment and a detection method thereof, which adopt the following technical scheme: The full-automatic pin arranging detection device comprises a first machine cabinet and a second machine cabinet, and is characterized by further comprising a feeding assembly arranged in the first machine cabinet, a material conveying assembly, a CCD assembly, a sorting assembly, a collecting assembly and a control assembly which are arranged in the second machine cabinet, wherein the feeding assembly is used for directionally arranging and conveying pin arranging to the material conveying assembly, the CCD assembly comprises a first CCD, a second CCD and a third CCD which are vertically installed, the second CCD and the third CCD are installed left and right, the sorting assembly and the collecting assembly are correspondingly distributed on two sides of a transmission path of the material conveying assembly, and the control assembly is used for receiving images collected by the CCD assembly and outputting sorting instructions to control the sorting assembly to sort pins with qualified or unqualified appearance quality and sequentially send the pins into the collecting assembly. Through adopting above-mentioned technical scheme, through automatic material loading, multidimensional image acquisition, intelligent sorting and the integrated design who gathers in a concentrated way, realize that the row needle size is big or small with the full-automatic, high accuracy detection of outward appearance defect and high-efficient screening, can reject two types of unqualified products of "size super poor article" and "outward appearance defect article" in step, reduced manual intervention and multistation transfer time, effectively promote detection precision and efficiency than traditional detection method, reduce and leak detection, wrong detection rate, comprehensively guarantee product quality. Preferably, the first CCD, the second CCD and the third CCD are respectively provided with a shading protective shell and at least one coaxial light source which are matched in structure, wherein the first CCD adopts a white LED area light source, and the second CCD and the third CCD adopt green LED strip light sources. By adopting the technical scheme, the shading protective shell can isolate external parasitic light interference, the light source irradiation stability is ensured, the white LED surface light source of the first CCD can uniformly cover the top of the pin header, the appearance characteristics of three-dimensional size, pin spacing, end surface flatness, material shortage scratch and the like can be clearly presented, the green LED strip light sources of the second CCD and the third CCD are matched with pin header metal pin materials, the contrast ratio of fine defects such as pin edge, side scratch and bending and the like and a substrate can be enhanced, and the key appearance characteristics of the side face can be accurately captured. Preferably, the first CCD, the second CCD and the third CCD can ensure tha