Automatic visual inspection equipment

Abstract

The utility model discloses automatic visual inspection equipment, which comprises a detection box, a control display box, a detection structure and an auxiliary scanning structure, and relates to the technical field of visual inspection. Automatic carrying, positioning and detecting of parts are achieved, the production efficiency is greatly improved, and manual intervention is reduced; a lifting circular ring limiting block and a V-shaped extrusion block are used for accurately limiting and fixing raw materials, so that the stability and the accuracy of parts in the detection process are ensured, and detection errors caused by position deviation are avoided; the detection support drives the detection camera to move by 360 degrees in the vertical direction, meanwhile, the carrying mechanical arm and the mechanical limiting clamping jaw are combined to conduct multi-angle rotation adjustment on parts, all-directional and dead-corner-free detection on the parts is achieved, and detection comprehensiveness and accuracy are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to visual inspection technical field, concretely is a kind of automatic visual inspection equipment. BACKGROUND

[0002] Visual inspection is a kind of technology using machine to replace eye to carry out accurate measurement and judgment.It captures target object by machine vision product (i.e.image capture device), and converts it into image signal, then transmits to professional image processing system.The system converts these image signals into digital data according to the distribution of pixel, brightness and color and other visual information.Then, image system carries out a series of complex operation processing to these digital signals, to extract the features of target object, and discriminates based on these features, finally guides on-site equipment to execute corresponding action.This technique has very high application value for production, assembly and packaging process.

[0003] However, existing visual system detection device still has many deficiencies in operation process.First, the instrument to be detected is placed on the detection table one by one by artificial, and it is manually taken out after detection is completed.Second, the interpretation of detection data and the judgment of instrument qualification also depend on artificial, and then the instrument is placed into two categories of qualified and unqualified according to detection result.This series of operation is not only complex, but also low in automation, which seriously affects detection efficiency and accuracy, in view of this, the above problems are studied in depth, and then the case is generated. CONTENT OF UTILITY MODEL

[0004] To achieve the above object, the utility model is realized by the following technical scheme: an automatic visual inspection equipment, comprising: detection box, control display box, detection structure and auxiliary scanning structure, the detection structure is installed on the detection box, the auxiliary scanning structure is installed on the control display box, and the auxiliary scanning structure is connected to the detection structure;

[0005] The detection structure contains: carrying mechanical arm, mechanical limit gripper, lifting lead screw module, lifting circular ring limit block, horizontal limit hydraulic push rod, V-shaped extrusion block, vertical double-shaft lead screw module, triangular support block, a pair of eye-shaped support block, detection support, detection camera, detection light supplement lamp group and protection glass;

[0006] The carrying mechanical arm is installed on the detection box, the mechanical limiting clamp jaw is installed on the carrying mechanical arm, the lifting lead screw module is installed on the detection box, the lifting circular ring limiting block is installed on the moving end of the lifting lead screw module, the horizontal limiting hydraulic push rod is installed on the inner side of the detection box, the V-shaped extrusion block is installed on the pushing end of the horizontal limiting hydraulic push rod, the triangular support block is installed on the detection box, the vertical double-shaft lead screw module is installed on the triangular support block, a pair of eye-shaped support blocks are respectively installed on the two sides of the triangular support block, the detection support is installed on the moving end of the vertical double-shaft lead screw module, the detection camera is installed on the detection support, the detection light supplementing lamp is installed on the detection support, and the protective glass is installed on the inner side of the detection box.

[0007] Preferably, the auxiliary scanning structure comprises a PLC programmable logic controller, a control panel and a display.

[0008] The PLC programmable logic controller is installed on the inner side of the control display box, the control panel is installed on the control display box, the control panel is connected to the PLC programmable logic controller, the display is installed on the control display box, and the display is connected to the PLC programmable logic controller.

[0009] Preferably, the detection camera is an industrial camera.

[0010] Preferably, the mechanical limiting clamp jaw is provided with a plurality of pressure sensors.

[0011] Preferably, the carrying mechanical arm is provided with a plurality of scanners.

[0012] Preferably, the lifting circular ring limiting block is provided with a fiber sensor.

[0013] Beneficial effects

[0014] The utility model provides an automatic visual detection equipment. Have the following beneficial effect, this automatic visual detection equipment passes through the collaborative work of handling mechanical arm, mechanical limit clamping jaw, lifting lead screw module and so on mechanical parts, realizes the automatic handling, positioning and detection of spare part, improves production efficiency greatly, reduces manual intervention, utilizes lifting circular ring limit block and V type extrusion piece to carry out accurate location and fixed to raw material, ensures the stability and accuracy of spare part in the detection process, avoids the detection error caused by position deviation, passes through detection support and drives detection camera to carry out 360 degrees movement in perpendicular direction, combines handling mechanical arm and mechanical limit clamping jaw and carries out multi -angle rotation adjustment to spare part, realizes the all -round, no dead angle detection to spare part, improves the comprehensiveness and accuracy of detection, detection fill light group provides stable and even illumination for spare part, ensures image quality, the protective glass is sealed to equipment, protects the detection environment from outside interference, further improves the reliability and stability of detection, the PLC programmable logic controller as the control center of system, through software algorithm analysis image data, identifies and measures product characteristics, detects defects etc, realizes the intelligent control to detection process. This kind of intelligent analysis not only improves the detection efficiency, but also can discover and handle the problem on product surface in time, such as gap, scratch, depression, foreign matter etc., ensures product quality, because the system adopts modular design, each partial assembly can be flexibly configured and expanded according to the need, to adapt to the detection demand of different models and specifications of spare part. This flexibility makes the system can easily cope with market changes, reduces the production cost and risk of enterprise. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is the front view cross section schematic view of the automatic visual detection equipment of the utility model.

[0016] Fig. 2 It is the three -dimensional schematic view of the automatic visual detection equipment of the utility model.

[0017] Fig. 3 It is the detection box three -dimensional schematic view of the automatic visual detection equipment of the utility model.

[0018] In the drawing: 1, detection box, 2, control display box, 3, handling mechanical arm, 4, mechanical limit clamping jaw, 5, lifting lead screw module, 6, lifting circular ring limit block, 7, horizontal limit hydraulic push rod, 8, V type extrusion piece, 9, vertical double -shaft lead screw module, 10, triangular support block, 11, eye type support block, 12, detection support, 13, detection camera, 14, detection fill light group, 15, protective glass, 16, PLC programmable logic controller, 17, control panel, 18, display. DETAILED DESCRIPTION

[0019] All other embodiments obtained by the person skilled in the art without making creative labor belong to the protection scope of the utility model.

[0020] Through the person skilled in the art, all electrical components in the case and the power supply matched therewith are connected through wires, and appropriate controllers and encoders should be selected according to actual conditions to meet the control requirements.

[0021] Embodiment

[0022] As shown in Figs. 1-3 The detection structure is installed on the detection box 1, the auxiliary scanning structure is installed on the control display box 2, and the auxiliary scanning structure is connected to the detection structure.

[0023] Specifically, the detection structure comprises a carrying mechanical arm 3, a mechanical limiting clamp jaw 4, a lifting lead screw module 5, a lifting circular ring limiting block 6, a horizontal limiting hydraulic push rod 7, a V-shaped extrusion block 8, a vertical double-shaft lead screw module 9, a triangular support block 10, a pair of eye-shaped support blocks 11, a detection support 12, a detection camera 13, a detection light supplement lamp set 14 and a protective glass 15.

[0024] Specifically, the carrying mechanical arm 3 is installed on the detection box 1, the mechanical limiting clamp jaw 4 is installed on the carrying mechanical arm 3, the lifting lead screw module 5 is installed on the detection box 1, the lifting circular ring limiting block 6 is installed on the moving end of the lifting lead screw module 5, the horizontal limiting hydraulic push rod 7 is installed on the inner side of the detection box 1, the V-shaped extrusion block 8 is installed on the pushing end of the horizontal limiting hydraulic push rod 7, the triangular support block 10 is installed on the detection box 1, the vertical double-shaft lead screw module 9 is installed on the triangular support block 10, a pair of the eye-shaped support blocks 11 are respectively installed on the two sides of the triangular support block 10, the detection support 12 is installed on the moving end of the vertical double-shaft lead screw module 9, the detection camera 13 is installed on the detection support 12, the detection light supplement lamp is installed on the detection support 12, and the protective glass 15 is installed on the inner side of the detection box 1.

[0025] It needs to be explained that, in the above, the mechanical limiting clamp jaw 4 on the carrying mechanical arm 3 is driven to carry the parts, which is used to move the product to the detection position, or to classify according to the detection result, by carrying the parts to the side wall glass on the detection box 1, through the operation of the lifting lead screw module 5, the lifting circular ring limiting block 6 on it is driven to make the lifting circular ring limiting block 6 sleeve on the raw material, through the extension of the horizontal limiting hydraulic push rod 7, the V-shaped extrusion block 8 on it is driven, through the V-shaped extrusion block 8, the raw material is extruded and fixed, at the same time, through the operation of the vertical double shaft lead screw module 9 on the triangular supporting block 10, the detection support 12 on it is driven to stably lift, the detection support 12 is moved 360 degrees in the vertical direction, the detection camera 13 is driven by the detection support 12, the raw material is rotated and scanned in the vertical direction by the detection camera 13, at the same time, the parts are rotated and adjusted at multiple angles by the carrying mechanical arm 3 and the mechanical limiting clamp jaw 4, at the same time, the parts are lighted by the detection light supplement lamp group 14 on the detection assembly, and the equipment is sealed by the protective glass 15. The detection camera 13 is used to capture the image of the object to be detected, and the detection light supplement lamp group 14 provides stable and uniform illumination to ensure the image quality.

[0026] As shown in Figs. 1-3 , the auxiliary scanning structure comprises a PLC programmable logic controller 16, a control panel 17 and a display 18.

[0027] Specifically, the PLC programmable logic controller 16 is installed on the inner side of the control display box 2, the control panel 17 is installed on the control display box 2, and the control panel 17 is connected to the PLC programmable logic controller 16, the display 18 is installed on the control display box 2, and the display 18 is connected to the PLC programmable logic controller 16.

[0028] It needs to be explained that, in the above, the software algorithm in the PLC programmable logic controller 16 is used to analyze image data, identify and measure product features, detect defects, etc. The PLC programmable logic controller 16 as the control center of the system processes the output of the vision software and executes the corresponding control instructions to identify the defects on the surface of the product, such as gaps, scratches, depressions, foreign matters, etc.

[0029] As a preferred solution, further, the detection camera 13 is an industrial camera.

[0030] As a preferred solution, further, the mechanical limiting clamp jaw 4 is provided with a plurality of pressure sensors.

[0031] As a preferred solution, further, the carrying mechanical arm 3 is provided with a plurality of scanners.

[0032] As a preferred solution, further, the lifting circular ring limiting block 6 is provided with an optical fiber sensor.

[0033] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automatic visual inspection device, comprising: A detection box, a control display box, a detection structure, and an auxiliary scanning structure, characterized in that the detection structure is mounted on the detection box, the auxiliary scanning structure is mounted on the control display box, and the auxiliary scanning structure is connected to the detection structure; The detection structure includes: a handling robotic arm, a mechanical limiting gripper, a lifting screw module, a lifting ring limiting block, a horizontal limiting hydraulic push rod, a V-shaped extrusion block, a vertical dual-axis screw module, a triangular support block, a pair of eye-shaped support blocks, a detection bracket, a detection camera, a detection supplementary light group, and protective glass; The handling robotic arm is mounted on the inspection box, the mechanical limiting gripper is mounted on the handling robotic arm, the lifting screw module is mounted on the inspection box, the lifting ring limiting block is mounted on the moving end of the lifting screw module, the horizontal limiting hydraulic push rod is mounted on the inside of the inspection box, the V-shaped extrusion block is mounted on the pushing end of the horizontal limiting hydraulic push rod, the triangular support block is mounted on the inspection box, the vertical dual-axis screw module is mounted on the triangular support block, a pair of eye-shaped support blocks are respectively mounted on both sides of the triangular support block, the inspection bracket is mounted on the moving end of the vertical dual-axis screw module, the inspection camera is mounted on the inspection bracket, the inspection supplementary light is mounted on the inspection bracket, and the protective glass is mounted on the inside of the inspection box.

2. The automatic visual inspection equipment according to claim 1, characterized in that, The auxiliary scanning structure includes: a PLC programmable logic controller, a control panel, and a display; The PLC (Programmable Logic Controller) is installed inside the control display box, the control panel is installed on the control display box and connected to the PLC, and the display is installed on the control display box and connected to the PLC.

3. The automatic visual inspection equipment according to claim 2, characterized in that, The detection camera is an industrial camera.

4. The automatic visual inspection equipment according to claim 3, characterized in that, The mechanical limiting gripper is equipped with several pressure sensors.

5. An automatic visual inspection equipment according to claim 4, characterized in that, The robotic arm is equipped with several scanners.

6. An automatic visual inspection equipment according to claim 5, characterized in that, The lifting ring limit block is equipped with an optical fiber sensor.

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