A probe coating surface defect detection platform and methods of use thereof

Abstract

A kind of probe coating surface defect detection platform and its use method, detection platform includes including workbench, central controller, in-out mechanism, detection mechanism and marking mechanism, the in-out mechanism, the detection mechanism, the marking mechanism are all installed on the workbench and are all connected to the central controller;The in-out mechanism includes loading and unloading fixture and conveying module, the detection mechanism includes several imaging detection units, the marking mechanism includes control module and marking tool;Use method is mainly to load and transport the sample to be measured to the required station using the in-out mechanism, then the sample to be measured is imaged and detected using the detection mechanism, and the sample to be measured is marked using the marking mechanism according to the detection result.The overall structure of the detection device is compact without occupying a large space, the use method can realize fully automatic control processing, the detection precision and efficiency are high, the labor cost is effectively reduced and the product quality is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical devices, in particular to a probe coating surface defect detection platform and a use method thereof. BACKGROUND

[0002] In some medical devices such as blood glucose meters, miniature probes for intervention in the human body are often used. The diameter of these miniature probes is often not more than 0.5 mm, and the surface needs to be electrochemically coated. However, the technical requirements and precision requirements of the coating process are very high. After conventional coating treatment, the surface of the needle coating layer must be detected again, so that the defective probes are marked and replaced to ensure that the probe quality is qualified and safe and reliable for use. The conventional detection method for the surface coating layer of such miniature probes is mostly manual detection under a microscope, which has low detection efficiency and detection accuracy. With visual fatigue of the detection personnel, false detection and missed detection often occur. Therefore, how to design a scheme for efficiently and accurately detecting surface defects of a probe coating layer to improve the quality of the probe and ensure the safety and reliability of use is a current urgent problem to be solved. SUMMARY

[0003] One of the technical purposes of the present application is to provide a probe coating surface defect detection platform to solve the problem of low detection efficiency and low detection accuracy of the prior art, which seriously affects the probe factory yield.

[0004] The specific technical scheme of the device is as follows: a probe coating surface defect detection platform, comprising a workbench, a central controller, an in-out material mechanism, a detection mechanism and a marking mechanism, the in-out material mechanism, the detection mechanism and the marking mechanism are all installed on the workbench and connected to the central controller; the in-out material mechanism comprises a loading and unloading jig and a conveying module, the conveying module is installed on the workbench and is provided with a loading and unloading station, a detection station and a marking station for the movement of the loading and unloading jig; the detection mechanism comprises a plurality of imaging detection units, the imaging detection units are installed on the workbench and arranged around the detection station; the marking mechanism comprises a control module and a marking tool, the control module is used to control the marking tool to work at the marking station.

[0005] As a preferred, the loading and unloading jig comprises a base, a clamping assembly and a sample carrier, the base is provided with a connecting support for mounting the sample carrier, the sample carrier is used to load the sample to be tested, and the clamping assembly is arranged on the base and used to clamp and fix the sample to be tested.

[0006] As preferred, the clamping assembly comprises a fixed clamping plate, a movable clamping plate and a driving element, the fixed clamping plate is installed on or integrally formed with the base, the driving element is installed on the base and connected to drive the movable clamping plate, and the fixed clamping plate and the movable clamping plate are both provided with matched clamping end faces.

[0007] As preferred, the conveying module comprises a linear slide and a positioning detection element, the linear slide is respectively provided with the loading / unloading station, the detection station and the marking station, the positioning detection element is aligned with the area corresponding to the starting station and used to position the loading / unloading jig to the preset station in cooperation with the conveying module, and the linear slide and the positioning detection element are both connected with the central controller.

[0008] As preferred, the positioning detection element is a positioning CCD.

[0009] As preferred, the imaging detection unit comprises a detection camera and a camera loading module, the camera loading module is installed on the workbench, the lens of the detection camera of each imaging detection unit is arranged in a circumferential manner and aligned with the sample to be detected on the loading / unloading jig in the detection station, all the imaging detection units are connected with the central controller and jointly synthesize a complete 360° panoramic image for the sample to be detected.

[0010] As preferred, the camera loading platform comprises an X-axis linear module, and the detection camera is installed on the X-axis linear module; or the camera loading module comprises an X-axis linear module, and a Y-axis linear module and / or an R-axis rotating module are connected with the X-axis linear module, and the detection camera is installed on the X-axis linear module, the Y-axis linear module or the R-axis rotating module.

[0011] As preferred, the imaging detection unit is provided with at least 4.

[0012] As preferred, the control module comprises a Y-axis linear module, and the marking tool is installed on the Y-axis linear module; or the control module comprises a Y-axis linear module, and an X-axis linear module and / or an R-axis rotating module are connected with the Y-axis linear module, and the marking tool is installed on the Y-axis linear module, the X-axis linear module or the R-axis rotating module.

[0013] Another technical purpose of the present application is to provide a use method applied to the probe coating surface defect detection platform, which solves the problems of low detection efficiency and low detection precision in the prior art, and seriously affects the probe factory yield.

[0014] The method specifically comprises the following steps,

[0015] ① make the loading and unloading fixture at the preset starting station, and load the sample to be tested into the loading and unloading fixture for fixation;

[0016] ② the positioning detection element works, the positioning detection of the loading and unloading fixture on the starting station is performed, information is transmitted to the central controller for processing, and the loading and unloading fixture is moved to the preset detection station by the conveying module;

[0017] ③ the imaging detection unit works, the surface of the sample to be tested is imaged and detected at multiple angles, and the complete omnibearing detection image is formed by integration and transmission to the central controller for processing;

[0018] ④ the central controller compares and analyzes the omnibearing detection image and detects the unqualified part of the sample to be tested;

[0019] ⑤ the loading and unloading fixture is moved to the preset marking station by the conveying module, according to the detection result of the central controller, the unqualified part of the sample to be tested in the loading and unloading fixture is marked by the control module;

[0020] ⑥ the loading and unloading fixture is moved to the preset starting station by the conveying module, and the sample to be tested is taken off from the loading and unloading fixture.

[0021] The technical advantages of the present application are that the detection device mainly uses a mechanical displacement module and a visual imaging module to build a systematic detection platform, which is simple to set up, compact in overall structure and does not need to occupy a large space, the use method can realize fully automatic control processing, and a single person can complete monitoring and operation, the detection precision and efficiency are high, the labor cost is effectively reduced, and the product quality is improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a schematic view of the overall top view structure of the embodiment of the present application;

[0023] Figure 2 It is a schematic view of the structure of the in-out mechanism of the embodiment of the present application;

[0024] Figure 3 It is a schematic view of the structure of the in-out mechanism of the embodiment of the present application;

[0025] Figure 4 It is a schematic view of the structure of the in-out mechanism of the embodiment of the present application;

[0026] Figure 5 It is a schematic view of the structure of the in-out mechanism of the embodiment of the present application;

[0027] Figure 6 It is a schematic view of the structure of the in-out mechanism and the detection mechanism of the embodiment of the present application;

[0028] Figure 7Structure diagram of the detection mechanism according to the embodiment of the present application;

[0029] Figure 8 Structure diagram of the in-out material mechanism and the marking mechanism according to the embodiment of the present application;

[0030] Figure 9 Structure diagram of the in-out material mechanism and the marking mechanism according to the embodiment of the present application;

[0031] The corresponding part names of the numbers in the figure are as follows: a1-workbench, b1-loading and unloading fixture, b11-base, b12-tightening assembly, b121-fixed clamping plate, b122-movable clamping plate, b123-driving element, b13-sample loading seat, b14-connection support, b15-dust suction assembly, b151-dust suction connector, b152-connection pipe, b2-conveying module, b21-linear sliding table, b22-positioning detection element, c1-imaging detection unit, c11-detection camera, c12-camera loading module, d1-control module, d2-marking tool. DETAILED DESCRIPTION

[0032] The present application will be further described below by specific embodiments in combination with the accompanying drawings:

[0033] See Figure 1 An embodiment of a probe coating surface defect detection platform specifically comprises a workbench a1, a central controller, an in-out material mechanism, a detection mechanism and a marking mechanism, the in-out material mechanism, the detection mechanism and the marking mechanism are all installed on the workbench a1 and are all connected to the central controller. The in-out material mechanism comprises a loading and unloading fixture b1 and a conveying module b2, the conveying module b2 is installed on the workbench a1 and is provided with a loading and unloading station, a detection station and a marking station for the movement of the loading and unloading fixture b1 to the positions and cooperation with the work; the detection mechanism comprises a plurality of imaging detection units c1, the imaging detection units c1 are installed on the workbench a1 and are arranged around the detection station; the marking mechanism comprises a control module d1 and a marking tool d2, the control module d1 is used for controlling the marking tool d2 to work at the marking station.

[0034] Specifically, see Figures 2-5The loading and unloading jig b1 includes a base b11, a clamping assembly b12, and a sample loading seat b13. The base b11 is provided with a connecting support b14 for mounting the sample loading seat b13. The sample loading seat b13 is used to load the sample to be tested. The clamping assembly b12 is arranged on the base b11 and is used to clamp and fix the sample to be tested. In this embodiment, the clamping assembly b12 includes a fixed clamping plate b121, a movable clamping plate b122, and a driving element b123. The fixed clamping plate b121 is integrally formed with the base b11 (or can be a separate plate body fixedly connected to the base b11). The driving element b123 is installed on the base b11 and is connected to drive the movable clamping plate b122. The driving element b123 is selected as a pneumatic cylinder. The movable clamping plate b122 is driven by the pneumatic cylinder to approach or move away from the fixed clamping plate b121. The space between the fixed clamping plate b121 and the movable clamping plate b122 is the accommodation space of the sample loading seat b13 and the connecting support b14. The fixed clamping plate b121 and the movable clamping plate b122 are both provided with matched clamping end faces, which are used to clamp and fix the probe loaded on the sample loading seat b13.

[0035] The sample to be tested is generally in the form of a row of needle bodies inserted through a horizontal plate, which can be referred to as a needle row. The sample loading seat b13 is provided with a sample groove for inserting and placing the needle row to be preliminarily fixed. The needle body portion above the horizontal plate is finally fixed by the clamping end faces of the fixed clamping plate b121 and the movable clamping plate b122 on both sides. The body of the sample loading seat b13 is provided with a position avoiding surface on both sides, which is used to avoid contact and friction with the inner side surfaces of the fixed clamping plate b121 and the movable clamping plate b122 on both sides, thereby reducing or avoiding the generation of dust that may affect the detection result. Of course, the inner side walls of the fixed clamping plate b121 and the movable clamping plate b122 can also be provided with matched position avoiding surfaces. The bottom of the sample loading seat b13 is provided with a sliding block (or a sliding groove), and the connecting support b14 is provided with a matching sliding groove (or a sliding block). In this way, the sample loading seat b13 can be conveniently connected to the connecting support and adjusted in position.

[0036] In addition, the loading and unloading jig b1 also includes a dust suction assembly b15, which mainly consists of a dust suction connector b151, a connecting pipe b152, and a dust suction element. The inlet part of the dust suction connector b151 is in communication with the accommodation space between the fixed clamping plate b121 and the movable clamping plate b122, and is used to remove the dust that may affect the detection result in real time.

[0037] Specifically, see Figure 1 、 Figure 5The conveying module b2 comprises a linear slide b21 and a positioning detection element b22. The linear slide b21 is provided with a loading and unloading station, a detection station and a marking station in sequence. The positioning detection element b22 is aligned with the area corresponding to the initial station and is used to position the loading and unloading jig b1 to the preset station in cooperation with the conveying module. The positioning detection element b22 is a positioning CCD. The linear slide b21 and the positioning detection element b22 are connected with the central controller. The loading and unloading station can be regarded as the standby initial station. The loading and unloading jig b1 generally stays at the station when returning after standby or detection, waiting for loading and unloading of the sample to be detected. The detection station refers to the station where the loading and unloading jig b1 with the sample to be detected is advanced to cooperate with the imaging detection unit c1. The marking station refers to the station where the loading and unloading jig b1 is advanced to the station for marking the unqualified needle body by the marking mechanism after detection at the detection station.

[0038] Specifically, see Figure 6 、 Figure 7 The imaging detection unit c1 comprises a detection camera c11 and a camera loading module c12. The camera loading module c12 is installed on the workbench a1. The lens of the detection camera c11 of each imaging detection unit c1 is arranged in a circumferential direction and is aligned with the sample to be detected on the loading and unloading jig b1 in the detection station. All the imaging detection units c1 are connected with the central controller and jointly synthesize a complete 360° panoramic image of the sample to be detected. In the embodiment, the imaging detection unit c1 is provided with four (more can be added as appropriate) initial detection cameras c11. The lenses of the detection cameras c11 are aligned with the left front, right front, left rear and right rear of the needle body (or the loading and unloading jig b1) respectively. Further, the camera loading module c12 is movable, i.e. capable of driving the detection camera c11 to adjust the position.

[0039] To match with this, in the embodiment, the camera loading platform c12 includes an X-axis linear module and an R-axis rotating module, and the detection camera c11 is installed on the X-axis linear module. The position adjustment of the X-axis can be understood as approaching or moving away from the needle body on the loading and unloading tool b1, and the position adjustment of the R-axis can be understood as rotating in the plane with the Y-axis (or other vertical axis). The X-axis linear module is in the form of a linear slide table of a servo motor, and has a mounting seat part specially connected and fixed with the detection camera c11; the R-axis rotating module is in the form of a rotating table, and the whole X-axis linear module is installed thereon. In summary, through the camera loading module c12, the detection camera c11 can be further finely adjusted in the orientation relative to the loading and unloading tool b1 to focus on the needle body and cover a full circumferential angle imaging, so that the final multiple detection cameras c11 can achieve clear and complete shooting of each part of the needle body, thereby synthesizing complete surface imaging of the needle body. In addition, the camera loading module c12 can also include an X-axis linear module and a Y-axis linear module and / or an R-axis rotating module which are jointly arranged and connected with the X-axis linear module, and the detection camera c11 is installed on the X-axis linear module, the Y-axis linear module or the R-axis rotating module. For example, based on the foregoing example, the Y-axis linear module is additionally provided, the Y-axis linear module can be installed on the R-axis rotating module, the X-axis linear module is installed on the Y-axis linear module, and the detection camera c11 is installed on the X-axis linear module, wherein the position adjustment of the Y-axis can be understood as rising or falling vertically (i.e. moving in the vertical direction parallel to the needle body). Of course, the X-axis linear module can be provided to control the detection camera c11 after determining the appropriate position.

[0040] Similarly, the marking tool d2 also has a control module d1, as shown in Figure 8 、 Figure 9 In the embodiment, the control module d1 includes a Y-axis linear module, and the marking tool d2 is installed on the Y-axis linear module. The Y-axis linear module can also adopt a vertical slide table powered by a cylinder, and the marking tool d2, which can be a marking pen, is connected and fixed on the connecting seat of the vertical slide table and vertically lowered to perform corresponding marking on the lower horizontal plate of the needle body. Of course, the control module d1 can also include a Y-axis linear module and an X-axis linear module and / or an R-axis rotating module which are jointly arranged and connected with the Y-axis linear module, and the marking tool d2 is installed on the Y-axis linear module, the X-axis linear module or the R-axis rotating module, so that the marking tool d2 can also be adjusted in more spatial positions.

[0041] For the foregoing probe coating surface defect detection platform, the specific use method mainly includes:

[0042] ①Make the loading and unloading tool b1 be at the preset starting station, and load the sample to be tested into the loading and unloading tool b1 for fixation;

[0043] ② Positioning detection element b22, i.e. positioning CCD, works to perform positioning detection recording on the loading and unloading jig at the starting station and transmit information to the central controller for processing, and then the linear slide b21 moves the loading and unloading jig b1 to the preset detection station;

[0044] ③ Four imaging detection units c1 work to perform multi-angle imaging detection on the surface of the sample to be detected and transmit to the central controller for processing, during which each detection camera c11 adjusts the spatial position through the corresponding camera loading module c12 to obtain a complete and clear image at the corresponding shooting angle, and finally the complete omnibearing detection image is formed by integration;

[0045] ④ The central controller compares and analyzes the omnibearing detection image and detects the unqualified part of the sample to be detected;

[0046] ⑤ The linear slide b21 moves the loading and unloading jig to the preset marking station, and according to the detection result of the central controller, the marking tool d2 is controlled by the control module c1 to mark the unqualified part of the sample to be detected in the loading and unloading jig b1;

[0047] ⑥ The linear slide b21 moves the loading and unloading jig b1 to the preset starting station, and takes off the sample to be detected from the loading and unloading jig b1.

[0048] The detection platform mainly uses mechanical displacement modules and visual imaging modules to build a systematic detection platform, which is simple to set up, has no large size and complex detection line, and can be monitored and operated by a single person. The process is fully automatically controlled and processed, the detection precision and efficiency are high, the false detection and missed detection rates are greatly reduced, the labor cost is effectively reduced, and the product quality is improved.

[0049] Those skilled in the art will understand that the embodiments of the application shown in the above description and the accompanying drawings are only examples and do not limit the application. The purpose of the application has been fully and effectively achieved. The function and structural principle of the application have been shown and described in the embodiments, and the embodiments of the application can be any modification or modification without departing from the principle.

Claims

1. A probe-coated surface defect detection platform, characterized in that: It comprises a workbench (a1), a central controller, an in-out material mechanism, a detection mechanism and a marking mechanism, the in-out material mechanism, the detection mechanism and the marking mechanism are all installed on the workbench (a1) and are all connected to the central controller; The in-out material mechanism comprises a loading and unloading jig (b1) and a conveying module (b2), the conveying module (b2) is installed on the workbench (a1) and is provided with a loading and unloading station, a detection station and a marking station for the loading and unloading jig (b1) to move to a position and cooperate with work; The detection mechanism comprises a plurality of imaging detection units (c1), the imaging detection units (c1) are installed on the workbench (a1) and are arranged around the detection station; The marking mechanism comprises a control module (d1) and a marking tool (d2), the control module (d1) is used for controlling the marking tool (d2) to work at the marking station; The loading and unloading jig (b1) comprises a base (b11), a fastening assembly (b12) and a sample loading seat (b13), the base (b11) is provided with a connecting support (b14) for installing the sample loading seat (b13), the sample loading seat (b13) is used for loading a sample to be tested, and the fastening assembly (b12) is arranged on the base (b11) and is used for clamping and fixing the sample to be tested; The imaging detection unit (c1) comprises a detection camera (c11) and a camera loading module (c12), the camera loading module (c12) is installed on the workbench (a1), the lens of the detection camera (c11) of each imaging detection unit (c1) is circumferentially arranged around and aligned with the sample to be tested on the loading and unloading jig (b1) in the detection station, and all the imaging detection units (c1) are connected to the central controller and jointly synthesize a complete 360° panoramic image of the sample to be tested.

2. The probe coating surface defect detection platform of claim 1, wherein: The fastening assembly (b12) comprises a fixed clamping plate (b121), a movable clamping plate (b122) and a driving element (b123), the fixed clamping plate (b121) is installed on the base (b11) or is integrally formed with the base (b11), the driving element (b123) is installed on the base (b11) and is connected to drive the movable clamping plate (b122), and the fixed clamping plate (b121) and the movable clamping plate (b122) are both provided with clamping end faces that are matched and close or far away from each other.

3. The probe coating surface defect detection platform of claim 1, wherein: The conveying module (b2) comprises a linear sliding table (b21) and a positioning detection element (b22), the linear sliding table (b21) is respectively provided with the loading and unloading station, the detection station and the marking station, the positioning detection element (b22) is aligned with the area corresponding to the starting station and is used for positioning the loading and unloading jig (b1) to a preset station in cooperation with the conveying module, and the linear sliding table (b21) and the positioning detection element (b22) are both connected to the central controller.

4. The probe coating surface defect detection platform of claim 3, wherein: The positioning detection element (b22) is a positioning CCD.

5. The probe coating surface defect detection platform of claim 1, wherein: The camera loading module (c12) comprises an X-axis linear module, and the detection camera (c11) is installed on the X-axis linear module. Or the camera loading module (c12) comprises an X-axis linear module, and a Y-axis linear module and / or an R-axis rotating module are connected with the X-axis linear module, and the detection camera (c11) is installed on the X-axis linear module, the Y-axis linear module or the R-axis rotating module.

6. The probe coating surface defect detection platform of claim 1, wherein: The imaging detection unit (c1) is provided with at least four.

7. The probe coating surface defect detection platform of claim 1, wherein: The control module (d1) comprises a Y-axis linear module, and the marking tool (d2) is installed on the Y-axis linear module. Or the control module (d1) comprises a Y-axis linear module, and an X-axis linear module and / or an R-axis rotating module are connected with the Y-axis linear module, and the marking tool (d2) is installed on the Y-axis linear module, the X-axis linear module or the R-axis rotating module.

8. A method of using the probe coating surface defect detection platform of any one of claims 1-7, comprising: The method comprises the following steps, ①The loading and unloading tool is placed on the preset starting station, and the sample to be measured is loaded into the loading and unloading tool for fixation; ②The positioning detection element works, the loading and unloading tool on the starting station is positioned and detected, and information is transmitted to the central controller for processing, and the loading and unloading tool is moved to the preset detection station by the conveying module; ③The imaging detection unit works, the surface of the sample to be measured is imaged and detected at multiple angles, and the information is transmitted to the central controller for processing, and the complete omnibearing detection image is formed by integration; ④The central controller compares and analyzes the omnibearing detection image and detects the unqualified part of the sample to be measured; ⑤The loading and unloading tool is moved to the preset marking station by the conveying module, according to the detection result of the central controller, the marking tool marks the unqualified part of the sample to be measured in the loading and unloading tool by the control module; ⑥The loading and unloading tool is moved to the preset starting station by the conveying module, and the sample to be measured is taken off from the loading and unloading tool.

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