Membrane automatic detection equipment

By configuring dark field and bright field detection modules, combined with a marble worktable and linear motor drive system, the problem of single detection and difficulty in controlling accuracy of existing membrane detection equipment has been solved, realizing fully automatic and high-precision membrane detection, and improving the comprehensiveness of detection and the stability of the equipment.

CN223727708UActive Publication Date: 2025-12-26SHENZHEN BOWEI INTELLIGENT EQUIP CO LTD
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Patent Information

Application Number
CN202423279862.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-12-26
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Existing membrane testing equipment has limited testing capabilities and its accuracy is difficult to control, resulting in unstable testing.

Method used

It is equipped with two testing mechanisms, namely a dark field testing module and a bright field testing module, for detecting concave and convex defects and planar defects of the diaphragm. Combined with a marble worktable and a linear motor drive system, it can achieve fully automatic and high-precision testing.

Benefits of technology

It improves the comprehensiveness and accuracy of testing, reduces manual intervention, enhances the stability and automation level of equipment, and meets the testing needs of large-scale production lines.

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Patent Text Reader

Abstract

The utility model relates to the technical field of diaphragm detection, in particular to diaphragm automatic detection equipment which comprises a rack, a workbench, a Y-axis transmission module, a product carrying table, a portal frame, a dark field detection module and a bright field detection module, the workbench is arranged on the rack, the Y-axis transmission module is arranged on the workbench, the product carrying table is arranged on the Y-axis transmission module, and the portal frame is arranged on the product carrying table. The portal frame is arranged on the workbench, and the dark field detection module and the bright field detection module are arranged on the portal frame; the product carrying table is used for fixing a product; the Y-axis transmission module is used for driving the product carrying table to pass through the dark field detection module and the bright field detection module; the dark field detection module is used for detecting concave-convex defects of a product, and the bright field detection module is used for detecting plane defects of the product. According to the utility model, two sets of detection mechanisms, namely the dark field detection module and the bright field detection module, are configured for detecting concave-convex defects and plane defects of the diaphragm respectively, so that full-automatic and high-precision detection is realized.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of diaphragm detection, particularly to a diaphragm automatic detection equipment. BACKGROUND

[0002] Diaphragm defect detection usually relies on advanced automation equipment and precise detection technology. For example, a common detection method is to use high-resolution industrial cameras or laser sensors to perform real-time scanning and image acquisition on the diaphragm surface. Then, advanced image processing techniques and algorithms are used to analyze and process these images to identify and locate various defects on the diaphragm surface. Diaphragm defect detection has a very wide range of applications, covering electronics, optics, medical, automotive, and other fields. Through effective defect detection, enterprises can promptly identify and address quality issues in the diaphragm production process, thereby improving product quality and production efficiency, reducing scrap rates and production costs. At the same time, this also helps to enhance the brand image and customer satisfaction of the enterprise, and to enhance market competitiveness.

[0003] The existing diaphragm detection equipment is relatively single in detecting diaphragms, and the detection precision is difficult to control, resulting in instability in detection. Therefore, new design is needed for the existing diaphragm detection. SUMMARY

[0004] To solve the above problems, the utility model configures two sets of detection mechanisms, namely dark field detection module and bright field detection module, which detect concave-convex defects and planar defects of diaphragms respectively, realizing full-automatic and high-precision diaphragm automatic detection equipment.

[0005] The technical scheme adopted by the utility model is: a diaphragm automatic detection equipment, comprising a rack, a workbench, a Y-axis transmission module, a product stage, a gantry, a dark field detection module, and a bright field detection module, the workbench is arranged on the rack, the Y-axis transmission module is arranged on the workbench, the product stage is arranged on the Y-axis transmission module, the gantry is arranged on the workbench, and the dark field detection module and the bright field detection module are arranged on the gantry; the product stage is used for fixing products, and the Y-axis transmission module is used for driving the product stage to pass through the dark field detection module and the bright field detection module; the dark field detection module is used for detecting concave-convex defects of products, and the bright field detection module is used for detecting planar defects of products.

[0006] Further improvement of the above scheme is that the rack is provided with a supporting pad block, the workbench is a marble workbench, the workbench is arranged on the supporting pad block, and the gantry is a marble gantry.

[0007] Further improvement of the above scheme is that the Y-axis transmission module comprises a linear motor module, a Y-axis guide rail and a Y-axis transmission seat, the linear motor module is arranged on the workbench, the Y-axis guide rail is arranged on the workbench and located on both sides of the linear motor module, and the Y-axis transmission seat is arranged on the Y-axis guide rail, and the linear motor module is used to drive the Y-axis transmission seat to slide along the Y-axis guide rail.

[0008] Further improvement of the above scheme is that the product carrier comprises a base, a suction table, a side clamping assembly and an end clamping assembly, the suction table is arranged on the base, a plurality of vacuum suction holes are uniformly distributed on the suction table, the side clamping assembly is arranged in two groups, the two groups of side clamping assemblies are oppositely arranged on both sides of the base and are used to clamp and fix the two side surfaces of the film on the suction table, the end clamping assembly is arranged in two groups, the two groups of end clamping assemblies are oppositely arranged on both ends of the base and are used to clamp and fix the two end surfaces of the film on the suction table, and the base is arranged on the Y-axis transmission module.

[0009] Further improvement of the above scheme is that the edge of the suction table is provided with a compression fitting groove, and the compression fitting groove is used to compress the edge of the film in cooperation with the side clamping assembly and the end clamping assembly.

[0010] Further improvement of the above scheme is that the side clamping assembly comprises a side clamping moving module, a side clamping driving module and a side clamping plate, the side clamping moving module is arranged on the base, the side clamping driving module is arranged at the driving end of the side clamping moving module, the side clamping plate is arranged at the driving end of the side clamping driving module, and the side clamping driving module is used to drive the side clamping plate to clamp and fix the film on the suction table.

[0011] Further improvement of the above scheme is that the end clamping assembly comprises an end clamping moving module, an end clamping driving module and an end clamping plate, the end clamping moving module is arranged on the base, the end clamping driving module is arranged at the driving end of the end clamping moving module, the end clamping plate is arranged at the driving end of the end clamping driving module, and the end clamping driving module is used to drive the end clamping plate to clamp and fix the film on the suction table.

[0012] Further improvement of the above scheme is that the gantry is provided with an X-axis transmission module, the X-axis transmission module is a linear motor, and the dark field detection module and the bright field detection module are arranged on the linear motor respectively.

[0013] Further improvement of the above scheme is that the dark field detection module comprises a dark field Z-axis module, a dark field connecting bracket, a dark field lens adjusting bracket, a dark field light source adjusting bracket, a dark field detection camera and a dark field detection light source, the dark field Z-axis module is arranged on the gantry, the dark field connecting bracket is arranged on the dark field Z-axis module, the dark field lens adjusting bracket is arranged at the upper end of the dark field connecting bracket, the dark field light source adjusting bracket is arranged at the lower end of the dark field connecting bracket, the dark field detection camera is arranged on the dark field lens adjusting bracket, and the dark field detection light source is arranged on the dark field light source adjusting bracket; the dark field detection light source and the dark field detection camera are both towards the product table.

[0014] Further improvement of the above scheme is that the bright field detection module comprises a bright field Z-axis module, a bright field connecting bracket, a bright field lens adjusting bracket, a bright field light source adjusting bracket, a bright field detection camera and a bright field detection light source, the bright field Z-axis module is arranged on the gantry, the bright field connecting bracket is arranged on the bright field Z-axis module, the bright field lens adjusting bracket is arranged at the upper end of the bright field connecting bracket, the bright field light source adjusting bracket is arranged at the lower end of the bright field connecting bracket, the bright field detection camera is arranged on the bright field lens adjusting bracket, and the bright field detection light source is arranged on the bright field light source adjusting bracket; the bright field detection light source and the bright field detection camera are both towards the product table.

[0015] Further improvement of the above scheme is that the dark field detection module or the bright field detection module is provided with a code reader, and the detection end of the code reader is towards the product table.

[0016] The utility model has the advantages of:

[0017] Compared with the existing membrane detection equipment, the utility model discloses the stable structure of rack and workstation, provides the solid foundation for the whole detection system, and ensures the stability and reliability in the detection process. The Y-axis transmission module arranged on the workstation can accurately control the moving speed and position of the product platform, so that the product can stably and accurately pass through the dark field and bright field detection module, thereby greatly improving the detection efficiency and accuracy. Secondly, the design of the product platform fully considers the fixing requirement of the product, ensures that the product does not deviate or shake during the detection process, and further guarantees the reliability of the detection result. At the same time, the driving capacity of the Y-axis transmission module ensures that the product can continuously and quickly pass through the detection area, meets the detection requirement of large-scale production line. In terms of detection module, the dark field detection module can sensitively capture the concave-convex defects on the surface of the product, such as scratches and depressions, under specific illumination conditions, which provides strong support for fine control of product quality. The bright field detection module focuses on the defect detection of the product plane, such as stains and color difference, to ensure the perfect appearance of the product. The combination of the two detection modules enables the equipment to comprehensively cover various defects of the product, improving the comprehensiveness and accuracy of the detection. In addition, the equipment also has a high degree of automation, which can greatly reduce manual intervention, reduce operation difficulty and labor intensity. At the same time, the detection data of the equipment can be recorded and analyzed in real time, providing strong data support for product quality traceability and continuous improvement. In the utility model, two sets of detection mechanisms are configured, which are dark field detection module and bright field detection module respectively, and the concave-convex defects and plane defects of the membrane are detected respectively, realizing full-automatic and high-precision detection. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a three-dimensional schematic view of the membrane automatic detection equipment of the utility model;

[0019] Figure 2 It is Figure 1 It is another three-dimensional schematic view of the membrane automatic detection equipment;

[0020] Figure 3 It is Figure 1 It is a three-dimensional schematic view of the product platform of the membrane automatic detection equipment;

[0021] Figure 4 It is Figure 1 It is an explosion schematic view of the product platform of the membrane automatic detection equipment;

[0022] Figure 5 It is Figure 1 It is a three-dimensional schematic view of part of the structure of the membrane automatic detection equipment;

[0023] Figure 6 It is Figure 1 It is a three-dimensional schematic view of part of the structure of the membrane automatic detection equipment.

[0024] Reference signs: rack 1, support cushion 11, workbench 2, Y-axis transmission module 3, linear motor module 31, Y-axis guide rail 32, Y-axis transmission seat 33, product carrier 4, base 41, suction table 42, vacuum suction hole 421, compression fitting groove 422, side clamping assembly 43, side clamping moving module 431, side clamping driving module 432, side clamping plate 433, end face clamping assembly 44, end face clamping moving module 441, end face clamping driving module 442, end face clamping plate 443, gantry 5, X-axis transmission module 51, dark field detection module 6, dark field Z-axis module 61, dark field connecting support 62, dark field lens adjusting support 63, dark field light source adjusting support 64, dark field detection camera 65, dark field detection light source 66, bright field detection module 7, bright field Z-axis module 71, bright field connecting support 72, bright field lens adjusting support 73, bright field light source adjusting support 74, bright field detection camera 75, bright field detection light source 76, code reader 8. DETAILED DESCRIPTION

[0025] For the purpose of facilitating the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. In the drawings, preferred embodiments of the present application are shown. However, the present application can be realized in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It will be apparent that the scope of the present application is not limited to the embodiments set forth herein.

[0026] It should be noted that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements can also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can also be present.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application.

[0028] As Figures 1-6The utility model discloses a kind of automatic detection equipment of diaphragm, including rack 1, workbench 2, Y-axis transmission module 3, product stage 4, portal frame 5, dark field detection module 6 and bright field detection module 7, the workbench 2 is arranged on rack 1, the Y-axis transmission module 3 is arranged on workbench 2, the product stage 4 is arranged on Y-axis transmission module 3, the portal frame 5 is arranged on workbench 2, the dark field detection module 6 and bright field detection module 7 are all arranged on portal frame 5;The product stage 4 is used to fix product, the Y-axis transmission module 3 is used to drive product stage 4 to pass through dark field detection module 6 and bright field detection module 7;The dark field detection module 6 is used to detect the concave-convex defect of product, and the bright field detection module 7 is used to detect the plane defect of product.This embodiment has adopted the stable structure of rack 1 and workbench 2, provides solid foundation for entire detection system, ensures the stability and reliability in detection process.Y-axis transmission module 3 arranged on workbench 2 can accurately control the moving speed and position of product stage 4, so that product can stably and accurately pass through dark field and bright field detection module 7, to greatly improve detection efficiency and accuracy.Secondly, the design of product stage 4 fully considers the fixing demand of product, ensures that product does not deviate or shake in detection process, further guarantees the reliability of detection result.Meanwhile, the driving capacity of Y-axis transmission module 3 ensures that product can continuously and quickly pass through detection area, meets the detection demand of large-scale production line.In detection module aspect, dark field detection module 6 can acutely capture the concave-convex defect on the surface of product, such as scratch, depression, etc., by specific illumination condition, provides strong support for fine control of product quality.And bright field detection module 7 focuses on the defect detection of product plane, such as stain, color difference, etc., ensures that product appearance is perfect and flawless.Combination of two kinds of detection modules makes equipment can comprehensively cover various defects of product, improves the comprehensiveness and accuracy of detection.In addition, the equipment also has high automation level, can greatly reduce manual intervention, reduces operation difficulty and labor intensity.Meanwhile, the detection data of equipment can be recorded and analyzed in real time, provides strong data support for product quality traceability and continuous improvement.In this embodiment, two sets of detection mechanisms are configured, which are dark field detection module 6 and bright field detection module 7 respectively, detect the concave-convex defect and plane defect of diaphragm, realize full-automatic and high-precision detection.

[0029] The rack 1 is provided with a supporting cushion 11, the workbench 2 is a marble workbench 2, the workbench 2 is arranged on the supporting cushion 11, and the gantry 5 is a marble gantry 5. In the embodiment, the rack 1 realizes height adjustment and stable support of the workbench 2 through the arranged supporting cushion 11. The design not only ensures the levelness and stability of the workbench 2 in the installation process, but also helps to reduce the vibration generated by the equipment in the running process, thereby improving the precision and reliability of the film automatic detection. The application of the marble workbench 2 provides a solid platform for the film automatic detection. Marble has the characteristics of high hardness, high density and low thermal expansion coefficient, which enables the workbench 2 to maintain extremely high flatness and stability even after long-term use. At the same time, marble has good resistance to pollution and scratches on the surface of the workbench 2, ensuring the accuracy and consistency of film detection. In addition, the use of the marble gantry 5 further improves the overall performance of the equipment. The gantry 5, as an important part of the film automatic detection equipment, its rigidity and stability have a crucial influence on the detection accuracy. The marble gantry 5 ensures the stability and reliability of the equipment in the process of high-speed and high-precision detection due to its excellent physical properties.

[0030] The Y-axis transmission module 3 includes a linear motor module 31, a Y-axis guide rail 32 and a Y-axis transmission seat 33. The linear motor module 31 is arranged on the workbench 2, the Y-axis guide rail 32 is arranged on the workbench 2 and located on both sides of the linear motor module 31, and the Y-axis transmission seat 33 is arranged on the Y-axis guide rail 32. The linear motor module 31 is used to drive the Y-axis transmission seat 33 to slide along the Y-axis guide rail 32. In the embodiment, the linear motor module 31 is arranged on the workbench 2 to provide stable driving force for the Y-axis transmission seat 33, ensuring smooth running of the film material during detection. The Y-axis guide rail 32 is located on both sides of the linear motor module 31, which plays an accurate guiding role and effectively prevents the Y-axis transmission seat 33 from deviating and shaking during movement, thereby improving the detection accuracy. As a key component for carrying film material, the Y-axis transmission seat 33 can realize rapid and accurate sliding along the Y-axis guide rail 32 through the driving of the linear motor module 31, thereby meeting the precise requirements of the film automatic detection equipment for position adjustment of the film material.

[0031] Referring to Figures 3-4As shown, the product carrier 4 includes a base 41, an adsorption table 42, side clamping assemblies 43, and end face clamping assemblies 44. The adsorption table 42 is arranged on the base 41, and a plurality of vacuum adsorption holes 421 are uniformly distributed on the adsorption table 42. The side clamping assemblies 43 are arranged in two groups, and the two groups of side clamping assemblies 43 are oppositely arranged on the two sides of the base 41 and are used to clamp and fix the two side faces of the film on the adsorption table 42. The end face clamping assemblies 44 are arranged in two groups, and the two groups of end face clamping assemblies 44 are oppositely arranged on the two ends of the base 41 and are used to clamp and fix the two end faces of the film on the adsorption table 42. The base 41 is arranged on the Y-axis transmission module 3. In this embodiment, the stability and reliability of the entire carrier system are ensured through the stable support of the base 41. The plurality of vacuum adsorption holes 421 uniformly distributed on the adsorption table 42 can effectively adsorb and fix the film, avoiding displacement or falling of the film during detection, thereby ensuring the accuracy and precision of detection. The arrangement of the side clamping assemblies 43 and the end face clamping assemblies 44 realizes the clamping and fixing of the film in all directions and multiple points, further enhancing the stability of the film. The opposite arrangement of the two groups of side clamping assemblies 43 and the two groups of end face clamping assemblies 44 ensures uniform stress of the film on the adsorption table 42, avoiding deformation or damage due to uneven stress. In addition, the arrangement of the base 41 on the Y-axis transmission module 3 enables the carrier to move accurately along the Y-axis direction, facilitating the feeding of the film into the detection module for automatic detection.

[0032] A compression fitting groove 422 is arranged at the edge of the adsorption table 42, which is used to compress the edge of the film in cooperation with the side clamping assemblies 43 and the end face clamping assemblies 44. In this embodiment, the introduction of the compression fitting groove 422 greatly enhances the fixing effect of the film during detection, effectively avoiding displacement or shaking of the film due to external force or equipment vibration. This not only ensures the accuracy of the position of the film in the detection area, but also significantly improves the detection precision and stability. In addition, the design of the groove also simplifies the clamping process of the film, reduces the operation difficulty, and improves the automation level of the entire equipment. By optimizing the clamping method, the damage that the film may suffer during clamping is reduced, and the service life of the film is prolonged.

[0033] The side clamping assembly 43 comprises a side clamping moving module 431, a side clamping driving module 432, and a side clamping plate 433. The side clamping moving module 431 is arranged on the base 41. The side clamping driving module 432 is arranged at the driving end of the side clamping moving module 431. The side clamping plate 433 is arranged at the driving end of the side clamping driving module 432. The side clamping driving module 432 is used to drive the side clamping plate 433 to clamp and fix the diaphragm on the adsorption table 42. Specifically, the end face clamping assembly 44 comprises an end face clamping moving module 441, an end face clamping driving module 442, and an end face clamping plate 443. The end face clamping moving module 441 is arranged on the base 41. The end face clamping driving module 442 is arranged at the driving end of the end face clamping moving module 441. The end face clamping plate 443 is arranged at the driving end of the end face clamping driving module 442. The end face clamping driving module 442 is used to drive the end face clamping plate 443 to clamp and fix the diaphragm on the adsorption table 42. In this embodiment, the side clamping assembly 43 can flexibly adjust the clamping position and force through the cooperation of the side clamping moving module 431, the side clamping driving module 432, and the side clamping plate 433, ensuring that the diaphragm is uniformly and reliably clamped in the side direction. This design not only improves the positioning accuracy of the diaphragm but also effectively avoids diaphragm deformation or damage caused by improper clamping, thereby ensuring the accuracy of the detection results. At the same time, the end face clamping assembly 44 also plays a crucial role. It realizes stable clamping of the diaphragm in the end face direction through the precise cooperation of the end face clamping moving module 441, the end face clamping driving module 442, and the end face clamping plate 443. This clamping method not only enhances the fixation effect of the diaphragm but also further improves the stability and reliability of the equipment during the detection process.

[0034] The gantry 5 is provided with an X-axis transmission module 51, which is a linear motor. The dark-field detection module 6 and the bright-field detection module 7 are arranged on the linear motor respectively. In this embodiment, the dark-field detection module 6 and the bright-field detection module 7 are respectively carried on the linear motor, which can be accurately adjusted in the X-axis direction. This design not only optimizes the spatial layout of the detection module but also significantly improves the detection efficiency and flexibility.

[0035] Referring to Figures 5-6As shown, the dark-field detection module 6 includes a dark-field Z-axis module 61, a dark-field connecting bracket 62, a dark-field lens adjusting bracket 63, a dark-field light source adjusting bracket 64, a dark-field detection camera 65, and a dark-field detection light source 66. The dark-field Z-axis module 61 is arranged on the gantry 5. The dark-field connecting bracket 62 is arranged on the dark-field Z-axis module 61. The dark-field lens adjusting bracket 63 is arranged at the upper end of the dark-field connecting bracket 62. The dark-field light source adjusting bracket 64 is arranged at the lower end of the dark-field connecting bracket 62. The dark-field detection camera 65 is arranged on the dark-field lens adjusting bracket 63. The dark-field detection light source 66 is arranged on the dark-field light source adjusting bracket 64. Both the dark-field detection light source 66 and the dark-field detection camera 65 are directed towards the product stage 4 to detect the concave-convex defects of the product. Specifically, the bright-field detection module 7 includes a bright-field Z-axis module 71, a bright-field connecting bracket 72, a bright-field lens adjusting bracket 73, a bright-field light source adjusting bracket 74, a bright-field detection camera 75, and a bright-field detection light source 76. The bright-field Z-axis module 71 is arranged on the gantry 5. The bright-field connecting bracket 72 is arranged on the bright-field Z-axis module 71. The bright-field lens adjusting bracket 73 is arranged at the upper end of the bright-field connecting bracket 72. The bright-field light source adjusting bracket 74 is arranged at the lower end of the bright-field connecting bracket 72. The bright-field detection camera 75 is arranged on the bright-field lens adjusting bracket 73. The bright-field detection light source 76 is arranged on the bright-field light source adjusting bracket 74. Both the bright-field detection light source 76 and the bright-field detection camera 75 are directed towards the product stage 4 to detect the planar defects of the product. In this embodiment, the dark-field detection module 6 ensures that the dark-field detection camera 65 and the detection light source can accurately align with the film to be detected on the product stage 4 through its precise component layout, such as the stable arrangement of the dark-field Z-axis module 61 on the gantry 5, and the fine configuration of the dark-field connecting bracket 62, the lens adjusting bracket, and the light source adjusting bracket. This design enables the dark-field detection to efficiently capture the concave-convex defects of the film surface, such as small protrusions, scratches, or depressions, providing strong support for product quality control. At the same time, the bright-field detection module 7 achieves precise detection of the planar defects of the film with similar precise structure. The cooperation of the bright-field detection light source 76 and the camera can clearly present the planar defects of the film surface, such as cracks, stains, or color unevenness, thereby further improving the comprehensiveness and accuracy of the detection. The combination of the dark-field and bright-field detection modules 6 and 7 not only significantly improves the detection efficiency and accuracy of the film automatic detection equipment, but also greatly expands the detection range of the equipment.

[0036] A code reader 8 is arranged on the dark-field detection module 6 or the bright-field detection module 7. The detection end of the code reader 8 is directed towards the product stage 4. This embodiment can achieve fast and accurate identification of the items on the product stage 4. The detection end of the code reader 8 is directed towards the product stage 4, which can capture and interpret product information such as barcodes or QR codes in real time, thereby achieving fast confirmation of the product identity.

[0037] The above embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but can not therefore be understood as the limitation of the utility model patent range. It should be pointed out that for ordinary skilled person in the art, without departing from the utility model concept, several deformations and improvements can be made, which belong to the protection range of the utility model. Therefore, the protection range of the utility model patent should be subject to the appended claims.

Claims

1. A diaphragm automatic detection apparatus characterized by comprising: The utility model relates to a kind of product detection device, including rack, workstation, Y-axis transmission module, product platform, gantry, dark field detection module and bright field detection module, the workstation is set on rack, Y-axis transmission module is set on workstation, the product platform is set on Y-axis transmission module, the gantry is set on workstation, dark field detection module and bright field detection module are all set on gantry;The product platform is used to fix product, Y-axis transmission module is used to drive product platform to pass through dark field detection module and bright field detection module;Dark field detection module is used to detect the concave-convex defect of product, and bright field detection module is used to detect the plane defect of product.

2. The film automatic detection apparatus according to claim 1, characterized by: The rack is provided with support cushion block, the workstation is marble workstation, the workstation is set on support cushion block, and the gantry is marble gantry.

3. The film automatic detection apparatus according to claim 1, characterized by: The Y-axis transmission module includes linear motor module, Y-axis guide rail and Y-axis transmission seat, the linear motor module is set on workstation, the Y-axis guide rail is set on workstation and is located at the two sides of linear motor module, the Y-axis transmission seat is set on Y-axis guide rail, and the linear motor module is used to drive Y-axis transmission seat to slide along Y-axis guide rail.

4. The film automatic detection apparatus according to claim 1, characterized by: The product platform includes base, adsorption table, side clamping assembly and end face clamping assembly, the adsorption table is set on base, a plurality of vacuum suction holes are uniformly distributed on the adsorption table, the side clamping assembly is provided with two groups, two groups of side clamping assemblies are oppositely arranged on the two sides of base and are used to clamp and fix the two sides of diaphragm on adsorption table, the end face clamping assembly is provided with two groups, two groups of end face clamping assemblies are oppositely arranged on the two ends of base and are used to clamp and fix the two end faces of diaphragm on adsorption table, and the base is set on Y-axis transmission module.

5. The film automatic detection apparatus according to claim 4, characterized by: The edge of the adsorption table is provided with a pressing groove, and the pressing groove is used to press the edge of the diaphragm in cooperation with the side clamping assembly and the end face clamping assembly.

6. The film automatic detection apparatus according to claim 4, characterized by: The side clamping assembly includes side clamping moving module, side clamping driving module and side clamping plate, the side clamping moving module is set on base, the side clamping driving module is set on the driving end of side clamping moving module, the side clamping plate is set on the driving end of side clamping driving module, and the side clamping driving module is used to drive the side clamping plate to clamp and fix the diaphragm on the adsorption table. The end face clamping assembly includes end face clamping moving module, end face clamping driving module and end face clamping plate, the end face clamping moving module is set on base, the end face clamping driving module is set on the driving end of end face clamping moving module, the end face clamping plate is set on the driving end of end face clamping driving module, and the end face clamping driving module is used to drive the end face clamping plate to clamp and fix the diaphragm on the adsorption table.

7. The film automatic detection apparatus according to claim 1, characterized by: The gantry is provided with X-axis transmission module, the X-axis transmission module is linear motor, and the dark field detection module and the bright field detection module are respectively set on the linear motor.

8. The film automatic detection apparatus according to claim 1, characterized by: The dark field detection module comprises a dark field Z-axis module, a dark field connecting support, a dark field lens adjusting support, a dark field light source adjusting support, a dark field detection camera and a dark field detection light source, the dark field Z-axis module is arranged on the gantry, the dark field connecting support is arranged on the dark field Z-axis module, the dark field lens adjusting support is arranged at the upper end of the dark field connecting support, the dark field light source adjusting support is arranged at the lower end of the dark field connecting support, the dark field detection camera is arranged on the dark field lens adjusting support, and the dark field detection light source is arranged on the dark field light source adjusting support; the dark field detection light source and the dark field detection camera are both towards the product table.

9. The film automatic detection apparatus according to claim 8, characterized by: The bright field detection module comprises a bright field Z-axis module, a bright field connecting support, a bright field lens adjusting support, a bright field light source adjusting support, a bright field detection camera and a bright field detection light source, the bright field Z-axis module is arranged on the gantry, the bright field connecting support is arranged on the bright field Z-axis module, the bright field lens adjusting support is arranged at the upper end of the bright field connecting support, the bright field light source adjusting support is arranged at the lower end of the bright field connecting support, the bright field detection camera is arranged on the bright field lens adjusting support, and the bright field detection light source is arranged on the bright field light source adjusting support; the bright field detection light source and the bright field detection camera are both towards the product table.

10. The film automatic detection apparatus according to claim 1, characterized by: The dark field detection module or the bright field detection module is provided with a code reader, and the detection end of the code reader is towards the product table.