CN110132983A - A kind of online hierarchical detection device and method of injecting products - Google Patents

A kind of online hierarchical detection device and method of injecting products Download PDF

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Publication number
CN110132983A
CN110132983A CN201910448935.9A CN201910448935A CN110132983A CN 110132983 A CN110132983 A CN 110132983A CN 201910448935 A CN201910448935 A CN 201910448935A CN 110132983 A CN110132983 A CN 110132983A
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injecting products
processing system
information processing
infrared
detection device
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朱清
王纪章
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/8851Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/8851Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
    • G01N2021/8854Grading and classifying of flaws

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  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

The present invention relates to a kind of online hierarchical detection device and method of injecting products, hierarchical detection device includes transport mechanism, clamping device, information processing system, infrared brief description, visible image capturing head and classification mechanism;It is judged by the appearance images parameter of injecting products and the process requirements parameter of injecting products, to realize that the surface quality to injecting products is evaluated;The infrared temperature distributed image of this injecting products collected match comparing with thermo parameters method feature database, to realize that the internal soundness to injecting products is evaluated;Information processing system is according to the evaluation of the surface quality of injecting products and internal soundness evaluation building injecting products quality evaluation multi-feature vector, injecting products quality evaluation is carried out according to multi-feature vector obtained, and the Intelligence Feedback that can be directly connected to carry out parameter with injection molding machine is adjusted.The defect as caused by injection molding machine parameter and technological parameter can be improved through the invention, improve the quality and quality of injecting products.

Description

A kind of online hierarchical detection device and method of injecting products
Technical field
The present invention relates to the technical fields of injecting products, and in particular to a kind of online hierarchical detection device of injecting products and side Method.
Background technique
Injection molding is a kind of method of industrial products production moulding, is molded, was being produced usually using rubber and plastics It does not need to carry out embryo material preparation in journey, has the advantages that with short production cycle, labor intensity is small, such as lug boss, rib, screw thread, all It forms out in being operated by injection molding integration, and in injection molding production process, crackle is easy to produce inside finished product, Fatal influence can be caused to the quality of finished product, so need to detect injection-molded finished underbead crack, and at present in factory Production process in, the detection of injection-molded finished underbead crack, which relies primarily on, to be tapped outside finished product, by the difference of the sound of generation come Judge whether inside has crackle, this detection method requires height to the working experience of staff, and levels of precision is insufficient, can not have Body judges crackle size and shape.
On the one hand, it is seen that light visible detection method can detecte the surface shape and defect of injecting products, comment on the whole Estimate injecting products quality, applied in the on-line checking of injecting products at present, one as disclosed in CN201611269616.4 The intelligent apparatus of kind on-line monitoring moulding geometric dimension, CN201610823640.1 disclose a kind of note based on machine vision Molding product Online QC device, shape measurement module are made of machine vision camera module, and internal aperture measurement module is by laser Scanning survey mould group is constituted, and surface curvature measurement module is made of three-dimensional measurement mould group, and surface defect measurement module is taken the photograph by linear array As scanning module composition, such detection device needs 3 different devices to detect to realize, relatively excessively complicated, and can not visit Measure the defect inside the moulding as caused by thermal stress.On the other hand, emerging infrared temperature-test technology is a kind of new non- Contact on-line checking mode, infra-red detection thermometric speed is fast, range is wide, high sensitivity, noiseless to dut temperature field, is A kind of quickly and effectively online real-time inspection tool of configuration state, detection reliability are higher.After the completion of injecting products injection, lead to The three-dimensional temperature field modified-image for crossing building injecting products obtains injecting products residual temperature using infrared thermal imaging and changes, to obtain High quality and the infrared imaging information changed over time, to realize that injecting products internal soundness detects.
Summary of the invention
In order to overcome the deficiencies in the prior art and defect, the present invention provides a kind of injecting products to be classified inspection online Survey device and method.
The technical solution adopted by the present invention to solve the technical problems is:
The online hierarchical detection device of injecting products, it is characterised in that: the hierarchical detection device includes transport mechanism, clamping machine Structure, information processing system, infrared brief description, visible image capturing head and classification mechanism;Wherein, injecting products are set to The upper surface of transport mechanism is simultaneously transferred into clamping device position under the driving of the driving device of transport mechanism, and clamping device is set It is placed in the top of transport mechanism, information processing system, the lower section point of the information processing system are provided with above clamping device It does not extend downwardly and is provided with infrared brief description and visible image capturing head, the information processing system and the classification mechanism are believed Number connection.
Further, the infrared brief description selects infrared thermal radiation sensor array or infrared imaging chip; The visible image capturing head selects number or simulation CCD camera.
Further, it for the injecting products of regular shape, is respectively arranged with 1 infrared brief description and 1 visible Light video camera head, clamping device has turn over function, and injecting products are overturn 120 degree and 240 degree respectively by clamping device, with Obtain the infrared temperature distributed image and appearance images of 3 angle positions of injecting products;The injection molding of non-regular shape is produced Product are respectively arranged with 3 infrared brief descriptions and 3 visible image capturing heads, to obtain injecting products in same angle simultaneously The infrared temperature distributed image and appearance images of position.
Further, the information processing system will be seen that the appearance images parameter of light video camera head injecting products collected It is judged with the process requirements parameter of injecting products, to realize that the surface quality to injecting products is evaluated.
Further, the information processing system constructs not according to the infrared temperature distributed image of injecting products collected It is distributed with the thermo parameters method feature database of the internal flaw of injecting products, and by the infrared temperature of this injecting products collected Image match comparing with thermo parameters method feature database, to realize that the internal soundness to injecting products is evaluated.
Further, the information processing system is according to the evaluation of the surface quality of injecting products and internal soundness evaluation building Injecting products quality evaluation multi-feature vector carries out injecting products quality evaluation according to multi-feature vector obtained, and The unqualified position of automatic marking injecting products product and defect type.
Further, the quality evaluation signal of injecting products is sent in classification mechanism by the information processing system, institute It states classification mechanism and the injecting products of different quality opinion rating is sent to designated position, to realize the online classification of injecting products Processing.
Further, the information processing system connects data server, preserves all previous note in the data server The quality evaluation result of molding product.
Further, the external injection molding machine job parameter input/output interface module of the information processing system, according to data The quality evaluation result of all previous injecting products saved in server carries out feedback regulation to injection molding machine job parameter.
Further, the present invention also provides a kind of online hierarchical detection methods of injecting products, it is characterised in that: the method The following steps are included:
1) injecting products are sent to clamping device position by transport mechanism;
2) gripper mechanism grips and fixed injecting products;
3) information processing system starts infrared brief description and visible image capturing head acquires injecting products different location respectively Infrared temperature distributed image and appearance images;
4) information processing system carries out injection molding production according to the infrared temperature distributed image and appearance images of collected injecting products The surface temperature and face shaping of product are rebuild;
5) information processing system evaluates simultaneously the outer surface of injecting products and internal quality using Image Fusion Classification, and classification results information is sent to classification mechanism;
6) classification mechanism carries out on-line synchronous classification processing to injecting products according to classification results information;
7) quality evaluation result of injecting products is sent into data server and is saved by information processing system;
8) information processing system makees injection molding machine according to the quality evaluation result of all previous injecting products saved in data server Industry parameter carries out feedback regulation.
The beneficial effects of the invention are as follows;
The temperature of injecting products is monitored to obtain injecting products by infrared brief description and visible image capturing head The infrared temperature distributed image and appearance images changed over time passes through the appearance images parameters of injecting products and injecting products Process requirements parameter is judged, to realize that the surface quality to injecting products is evaluated;And this injection molding collected is produced The infrared temperature distributed image of product match comparing with thermo parameters method feature database, to realize the internal soundness to injecting products Evaluation;Information processing system is according to the evaluation of the surface quality of injecting products and internal soundness evaluation building injecting products quality evaluation Multi-feature vector carries out injecting products quality evaluation according to multi-feature vector obtained, and can directly connect with injection molding machine The Intelligence Feedback for tapping into row parameter is adjusted.It can improve through the invention and be lacked as caused by injection molding machine parameter and technological parameter It falls into, improves the quality and quality of injecting products.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the online hierarchical detection device of injecting products of the present invention.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
The online hierarchical detection device of injecting products, hierarchical detection device include transport mechanism 2, clamping device 3, information processing System 4, infrared brief description 5, visible image capturing head 6 and classification mechanism 7;Wherein, injecting products 1 are set to conveyer 3 position of clamping device is transferred under the driving of the upper surface of structure 2 and the driving device in transport mechanism 2, clamping device 3 is arranged In the top of transport mechanism 2, information processing system 4, the lower section difference of information processing system 4 are provided with above clamping device 3 It extends downwardly and is provided with infrared brief description 5 and visible image capturing head 6, information processing system 4 and 7 signal of classification mechanism connect It connects.
Specifically, infrared brief description 5 selects infrared thermal radiation sensor array or infrared imaging chip;Visible light Camera 6 selects number or simulation CCD camera.
Specifically, for the injecting products of regular shape 1, it is visible to be respectively arranged with 1 infrared brief description 5 and 1 Light video camera head 6, clamping device 3 has turn over function, and injecting products 1 are overturn 120 degree and 240 respectively by clamping device Degree, to obtain the infrared temperature distributed image and appearance images of 3 angle positions of injecting products 1;For non-regular shape Injecting products 1 are respectively arranged with 3 infrared brief description 5 and 3 visible image capturing head 6, to obtain injecting products 1 simultaneously Infrared temperature distributed image and appearance images in same angle position, to be further ensured that acquired infrared temperature distribution The acquisition precision of image and appearance images.
Specifically, information processing system 4 it will be seen that the injecting products 1 collected of light video camera head 6 appearance images parameter with The process requirements parameter of injecting products is judged, to realize that the surface quality to injecting products 1 is evaluated, as further excellent Choosing, it is seen that the appearance images parameter of the injecting products 1 collected of light video camera head 6 and the process requirements parameter of injecting products are at least wrapped Include the information such as size, shape, texture and the finish of injecting products;And above-mentioned parameter information can be by three-dimension surface It is obtained as taking the means such as enhancing, denoising, smoothing operation, Threshold segmentation and edge detection directly or indirectly to detect.
Specifically, information processing system 4 constructs different notes according to the infrared temperature distributed image of injecting products collected The thermo parameters method feature database of the internal flaw of molding product, and by the infrared temperature distributed image of this injecting products collected Match comparing with thermo parameters method feature database, to realize that the internal soundness to injecting products 1 is evaluated;Generally, moulding Surface temperature is higher after the completion of injection, as the temperature of the variation injecting products of time can change, for being normally molded Product, temperature field are even variations, and if defective inside injecting products in injection process, it will lead to injecting products table The temperature change in face is uneven, thus can by measure injecting products surface residual temperature variation with obtain change over time it is red Outer thermal imaging information is judged inside injecting products by the Temperature Distribution of injection product surface with the presence or absence of defect.Therefore make To be preferred, according to the infrared temperature distributed image and appearance images of injecting products collected, wherein infrared array sensor Each pixel color of injecting products collected corresponds to the temperature value of weld seam, is established by the corresponding relationship of C&T Injecting products detect note by the extraordinary image vegetarian refreshments in detection thermo parameters method in the thermo parameters method situation changed over time It whether there is defect inside plastic.
Specifically, information processing system 4 is according to the evaluation of the surface quality of injecting products 1 and internal soundness evaluation building injection molding Product Quality Evaluation multi-feature vector carries out injecting products quality evaluation according to multi-feature vector obtained, and automatic Mark unqualified position and the defect type of injecting products.
Specifically, the quality evaluation signal of injecting products 1 is sent in classification mechanism 7 by information processing system 4, grader The injecting products of different quality opinion rating are sent to designated position by structure 7, to realize the online classification processing of injecting products.
Specifically, information processing system 4 connects data server, and the matter of all previous injecting products is preserved in data server Evaluation result is measured, to provide data reference for the feedback regulation that injection molding machine job parameter carries out, improves the precision of feedback regulation.
Specifically, the external injection molding machine job parameter input/output interface module of information processing system 4, according to data server The quality evaluation result of all previous injecting products of middle preservation carries out feedback regulation, the injection molding of the adjusting to injection molding machine job parameter The job parameter of machine, which includes at least, the information such as operating pressure, temperature, speed, the time of injection molding machine.
Specifically, it the present invention also provides a kind of online hierarchical detection method of injecting products, the described method comprises the following steps:
1) injecting products 1 are sent to 3 position of clamping device by transport mechanism 2;
2) clamping device 3 clamps and fixes injecting products 1;
3) information processing system 4 starts infrared brief description 5 and visible image capturing head 6 and acquires the different positions of injecting products 1 respectively The infrared temperature distributed image and appearance images set;
4) information processing system 4 carries out injection molding production according to the infrared temperature distributed image and appearance images of collected injecting products The surface temperature and face shaping of product 1 are rebuild;
5) information processing system 4 evaluates the outer surface of injecting products 1 and internal quality using Image Fusion And it is classified, and classification results information is sent to classification mechanism 7;
6) classification mechanism 7 carries out on-line synchronous classification processing to injecting products according to classification results information;
7) quality evaluation result of injecting products is sent into data server and is saved by information processing system 4;
8) information processing system 4 makees injection molding machine according to the quality evaluation result of all previous injecting products saved in data server Industry parameter carries out feedback regulation.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.

Claims (10)

1. the online hierarchical detection device of injecting products, it is characterised in that: the hierarchical detection device includes transport mechanism (2), folder Hold mechanism (3), information processing system (4), infrared brief description (5), visible image capturing head (6) and classification mechanism (7); Wherein, injecting products (1) be set to transport mechanism (2) upper surface and the driving of the driving device in transport mechanism (2) under quilt It is sent to clamping device (3) position, clamping device (3) is set to the top of transport mechanism (2), sets above clamping device (3) It is equipped with information processing system (4), the lower section of the information processing system (4) is stretched out separately down is provided with infrared brief description (5) and visible image capturing head (6), the information processing system (4) connect with the classification mechanism (7) signal.
2. the online hierarchical detection device of injecting products according to claim 1, it is characterised in that: the infrared hot-probing battle array It arranges (5) and selects infrared thermal radiation sensor array or infrared imaging chip;The visible image capturing head (6) selects number or mould Quasi- CCD camera.
3. the online hierarchical detection device of injecting products according to claim 1, it is characterised in that: for the note of regular shape Molding product (1), is respectively arranged with 1 infrared brief description (5) and 1 visible image capturing head (6), and clamping device (3) has Turn over function, and injecting products (1) is overturn 120 degree and 240 degree respectively by clamping device, to obtain the 3 of injecting products (1) The infrared temperature distributed image and appearance images of a angle position;For the injecting products (1) of non-regular shape, it is respectively arranged with 3 infrared brief description (5) and 3 visible image capturing heads (6), to obtain injecting products (1) in same angle position simultaneously Infrared temperature distributed image and appearance images.
4. the online hierarchical detection device of injecting products according to claim 1, it is characterised in that: the information processing system (4) it will be seen that the process requirements parameter of the appearance images parameter of light video camera head (6) injecting products collected (1) and injecting products It is judged, to realize that the surface quality to injecting products (1) is evaluated.
5. the online hierarchical detection device of injecting products according to claim 4, it is characterised in that: the information processing system (4) temperature field point of the internal flaw of different injecting products is constructed according to the infrared temperature distributed image of injecting products collected Cloth feature database, and the infrared temperature distributed image of this injecting products collected is matched with thermo parameters method feature database It compares, to realize that the internal soundness to injecting products (1) is evaluated.
6. the online hierarchical detection device of injecting products according to claim 5, it is characterised in that: the information processing system (4) according to the surface quality of injecting products (1) evaluation and internal soundness evaluation building injecting products quality evaluation comprehensive characteristics to Amount carries out injecting products quality evaluation according to multi-feature vector obtained, and automatic marking injecting products do not conform to case It sets and defect type.
7. the online hierarchical detection device of injecting products according to claim 6, it is characterised in that: the information processing system (4) the quality evaluation signal of injecting products (1) is sent in classification mechanism (7), the classification mechanism (7) comments different quality The injecting products of valence grade are sent to designated position, to realize the online classification processing of injecting products.
8. the online hierarchical detection device of injecting products according to claim 7, it is characterised in that: the information processing system (4) data server is connected, the quality evaluation result of all previous injecting products is preserved in the data server.
9. the online hierarchical detection device of injecting products according to claim 8, it is characterised in that: the information processing system (4) external injection molding machine job parameter input/output interface module, according to the matter of all previous injecting products saved in data server It measures evaluation result and feedback regulation is carried out to injection molding machine job parameter.
10. the online hierarchical detection method of injecting products, it is characterised in that: the described method comprises the following steps:
1) injecting products (1) are sent to clamping device (3) position by transport mechanism (2);
2) clamping device (3) clamps and fixes injecting products (1);
3) information processing system (4) starts infrared brief description (5) and visible image capturing head (6) acquires injecting products respectively (1) the infrared temperature distributed image and appearance images of different location;
4) information processing system (4) is molded according to the infrared temperature distributed image and appearance images of collected injecting products The surface temperature and face shaping of product (1) are rebuild;
5) information processing system (4) carries out the outer surface of injecting products (1) and internal quality using Image Fusion It evaluates and is classified, and classification results information is sent to classification mechanism (7);
6) classification mechanism (7) carries out on-line synchronous classification processing to injecting products according to classification results information;
7) quality evaluation result of injecting products is sent into data server and is saved by information processing system (4);
8) information processing system (4) is according to the quality evaluation result of all previous injecting products saved in data server to injection molding machine Job parameter carries out feedback regulation.
CN201910448935.9A 2019-05-28 2019-05-28 A kind of online hierarchical detection device and method of injecting products Pending CN110132983A (en)

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CN111175624A (en) * 2020-01-16 2020-05-19 国网河南省电力公司检修公司 Insulator discharge detection device
CN114801100A (en) * 2022-04-26 2022-07-29 健大电业制品(昆山)有限公司 Injection molding sorting unit
CN114889080A (en) * 2022-07-13 2022-08-12 南通奥尔嘉橡塑有限公司 Injection molding quality screening and machine tool control system for plastic cover plate
CN115230034A (en) * 2021-09-07 2022-10-25 健大电业制品(昆山)有限公司 Method and system for grading detection of injection molding product
CN117589793A (en) * 2024-01-19 2024-02-23 辽宁爱尔创科技有限公司 Detection system, method, device, equipment and storage medium for ceramic sleeve

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CN111175624A (en) * 2020-01-16 2020-05-19 国网河南省电力公司检修公司 Insulator discharge detection device
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CN114889080A (en) * 2022-07-13 2022-08-12 南通奥尔嘉橡塑有限公司 Injection molding quality screening and machine tool control system for plastic cover plate
CN114889080B (en) * 2022-07-13 2022-10-04 南通奥尔嘉橡塑有限公司 Injection molding quality screening and machine tool control system for plastic cover plate
CN117589793A (en) * 2024-01-19 2024-02-23 辽宁爱尔创科技有限公司 Detection system, method, device, equipment and storage medium for ceramic sleeve
CN117589793B (en) * 2024-01-19 2024-04-16 辽宁爱尔创科技有限公司 Detection system, method, device, equipment and storage medium for ceramic sleeve

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