CN117162459B - Production control method of PET (polyethylene terephthalate) bottle - Google Patents
Production control method of PET (polyethylene terephthalate) bottle Download PDFInfo
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- 238000000195 production control method Methods 0.000 title abstract description 14
- 229920000139 polyethylene terephthalate Polymers 0.000 title description 96
- 239000005020 polyethylene terephthalate Substances 0.000 title description 96
- -1 polyethylene terephthalate Polymers 0.000 title description 8
- 210000001161 mammalian embryo Anatomy 0.000 claims abstract description 100
- 238000000034 method Methods 0.000 claims abstract description 75
- 238000004519 manufacturing process Methods 0.000 claims abstract description 69
- 238000012937 correction Methods 0.000 claims abstract description 59
- 239000000463 material Substances 0.000 claims abstract description 25
- 238000007664 blowing Methods 0.000 claims description 52
- 238000010438 heat treatment Methods 0.000 claims description 48
- 238000004458 analytical method Methods 0.000 claims description 22
- 238000000605 extraction Methods 0.000 claims description 21
- 230000002159 abnormal effect Effects 0.000 claims description 14
- 238000013507 mapping Methods 0.000 claims description 12
- 238000012549 training Methods 0.000 claims description 12
- 238000010276 construction Methods 0.000 claims description 10
- 239000003086 colorant Substances 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 238000010191 image analysis Methods 0.000 claims description 3
- 230000005856 abnormality Effects 0.000 claims 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 15
- 238000003860 storage Methods 0.000 description 14
- 230000000694 effects Effects 0.000 description 10
- 230000006870 function Effects 0.000 description 8
- 239000005022 packaging material Substances 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 238000012797 qualification Methods 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 235000013361 beverage Nutrition 0.000 description 4
- 238000004590 computer program Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 235000013365 dairy product Nutrition 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000035622 drinking Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 235000011496 sports drink Nutrition 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- ZWPWUVNMFVVHHE-UHFFFAOYSA-N terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1.OC(=O)C1=CC=C(C(O)=O)C=C1 ZWPWUVNMFVVHHE-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
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- 238000001514 detection method Methods 0.000 description 1
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- 239000013307 optical fiber Substances 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
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- 229910052709 silver Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
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- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
The invention provides a production control method of PET bottles, wherein the method comprises the following steps: obtaining first bottle embryo manufacturing material information, and taking the manufacturing material information as first basic information; acquiring first preset cost information, inputting the first basic information and the first preset cost information into a bottle embryo forming process matching model, and acquiring a first bottle embryo forming process; obtaining a first bottle embryo through the first basic information and a first bottle embryo forming process, and carrying out image acquisition on the first bottle embryo through a first image acquisition device; performing different-color feature matching on the first image to obtain a matching result; constructing a feature corresponding relation set, and inputting a first different-color feature matching result into the first different-color feature corresponding relation set to obtain a first correction parameter; and carrying out production control on the PET bottle according to the first correction parameter. Solves the problems of the prior art that the PET bottle can not accurately control production parameters, resulting in poor product quality, high reject ratio and great loss.
Description
Technical Field
The invention relates to the field of PET bottle production, in particular to a production control method of PET bottles.
Background
The PET bottle is a plastic material containing polyethylene terephthalate (polyethylene terephthalate), abbreviated as PET, and is a polymer produced by combining terephthalic acid (Terephthalic acid) and Ethylene glycol (Ethylene glycol). The PET plastic has the characteristics of light weight, high transparency, impact resistance, uneasiness in breaking and the like, and can also prevent carbon dioxide gas so as to keep the vapor and water gas. Due to the light weight and good preservability, the technical trend of emphasizing functions such as heat resistance and pressure resistance makes PET bottles the mainstream of drinking packaging today. Many beverages that require high temperature sterilization to be filled, such as flavored waters, juices, dairy products, sports drinks, etc., are also packaged in succession with PET bottles, which are naturally the dominant packaging materials for the beverage products. PET bottles are becoming increasingly more environmentally friendly than conventional packaging materials due to their low environmental pollution and energy consumption. It has heat-resisting and pressure-resisting functions, and can be used for replacing various PVC bottles, bags, aluminium cans, iron cans and glass bottles, so that it is the packaging material with the most growing potential. The PET bottle has strong applicability and is widely applied to the fields of articles for daily use, daily chemical packaging and the like. The mold processing and the machine equipment have extremely strong pertinence, the entrance is easy, and the finishing is difficult.
However, in the process of implementing the technical scheme of the invention in the embodiment of the application, the inventor of the application finds that at least the following technical problems exist in the above technology:
the problem that the PET bottle cannot accurately control production parameters, so that the quality of products is poor, the reject ratio is high, and a large amount of loss is caused.
Disclosure of Invention
The embodiment of the application solves the problems that the PET bottle cannot accurately control production parameters, so that the quality of the product is poor, the reject ratio is high, and a large amount of loss is caused in the prior art. The technical effects of improving the quality of PET bottles, reducing loss and improving the qualification rate of products by collecting different color characteristics in an omnibearing way and accurately matching correction parameters are achieved.
In view of the above, embodiments of the present application provide a production control method of a PET bottle.
In a first aspect, embodiments of the present application provide a method for controlling production of PET bottles, wherein the method includes: obtaining first bottle embryo manufacturing material information, and taking the manufacturing material information as first basic information; acquiring first preset cost information, inputting the first basic information and the first preset cost information into a bottle embryo forming process matching model, and acquiring a first bottle embryo forming process; obtaining a first bottle embryo through the first basic information and the first bottle embryo forming process, and acquiring an image of the first bottle embryo through the first image acquisition device to obtain a first image; performing different-color feature matching on the first image to obtain a first different-color feature matching result; constructing a first different-color feature corresponding relation set, and inputting the first different-color feature matching result into the first different-color feature corresponding relation set to obtain a first correction parameter; and carrying out production control on the PET bottle according to the first correction parameter.
In another aspect, embodiments of the present application provide a production control system for PET bottles, wherein the system includes: the first obtaining unit is used for obtaining first bottle embryo manufacturing material information, and taking the manufacturing material information as first basic information; the second obtaining unit is used for obtaining first preset cost information, inputting the first basic information and the first preset cost information into a bottle embryo forming process matching model and obtaining a first bottle embryo forming process; the third obtaining unit is used for obtaining a first bottle embryo through first basic information and the first bottle embryo forming process, and acquiring an image of the first bottle embryo through the first image acquisition device to obtain a first image; the fourth obtaining unit is used for carrying out different-color feature matching on the first image to obtain a first different-color feature matching result; a fifth obtaining unit, configured to construct a first different color feature correspondence set, input the first different color feature matching result into the first different color feature correspondence set, and obtain a first correction parameter; and the first control unit is used for controlling the production of the PET bottles according to the first correction parameters.
In a third aspect, an embodiment of the present application provides an electronic device, including a memory, a processor, and a computer program stored on the memory and executable on the processor, where the processor implements the steps of the method of any one of the first aspects when the processor executes the program.
One or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:
the method comprises the steps of obtaining first bottle embryo manufacturing material information, and taking the manufacturing material information as first basic information; acquiring first preset cost information, inputting the first basic information and the first preset cost information into a bottle embryo forming process matching model, and acquiring a first bottle embryo forming process; obtaining a first bottle embryo through the first basic information and the first bottle embryo forming process, and acquiring an image of the first bottle embryo through the first image acquisition device to obtain a first image; performing different-color feature matching on the first image to obtain a first different-color feature matching result; constructing a first different-color feature corresponding relation set, and inputting the first different-color feature matching result into the first different-color feature corresponding relation set to obtain a first correction parameter; according to the technical scheme that the production control of the PET bottle is carried out according to the first correction parameters, the technical effects that the quality of the PET bottle is improved, the loss is reduced, and the product percent of pass is improved by comprehensively collecting different color characteristics and accurately matching the correction parameters are achieved.
The foregoing description is only an overview of the technical solutions of the present application, and may be implemented according to the content of the specification in order to make the technical means of the present application more clearly understood, and in order to make the above-mentioned and other objects, features and advantages of the present application more clearly understood, the following detailed description of the present application will be given.
Drawings
Fig. 1 is a schematic flow chart of a production control method of a PET bottle according to an embodiment of the present disclosure;
fig. 2 is a schematic flow chart of a method for controlling production of PET bottles according to an embodiment of the present application for performing a bottle embryo heating uniformity analysis;
fig. 3 is a schematic flow chart of adjusting the first pre-air pressure parameter information and the first pre-air flow information according to the method for controlling the production of PET bottles in the embodiment of the present application;
fig. 4 is a schematic flow chart of obtaining a pre-blowing influence coefficient in the production control method of the PET bottle according to the embodiment of the present application;
fig. 5 is a schematic flow chart of obtaining a second correction parameter in the production control method of a PET bottle according to an embodiment of the present application;
fig. 6 is a schematic flow chart of a process for correcting the second correction parameter in the production control method of the PET bottle according to the embodiment of the present application;
fig. 7 is a schematic structural diagram of a PET bottle production control system according to an embodiment of the present application;
Fig. 8 is a schematic structural diagram of an exemplary electronic device according to an embodiment of the present application.
Reference numerals illustrate: the device comprises a first obtaining unit 11, a second obtaining unit 12, a third obtaining unit 13, a fourth obtaining unit 14, a fifth obtaining unit 15, a first control unit 16, an electronic device 300, a memory 301, a processor 302, a communication interface 303, a bus architecture 304.
Detailed Description
The embodiment of the application solves the problems that the PET bottle cannot accurately control production parameters, so that the quality of the product is poor, the reject ratio is high, and a large amount of loss is caused in the prior art. The technical effects of improving the quality of PET bottles, reducing loss and improving the qualification rate of products by collecting different color characteristics in an omnibearing way and accurately matching correction parameters are achieved.
Summary of the application
The PET bottle is a plastic material containing polyethylene terephthalate (polyethylene terephthalate), abbreviated as PET, and is a polymer produced by combining terephthalic acid (Terephthalic acid) and Ethylene glycol (Ethylene glycol). The PET plastic has the characteristics of light weight, high transparency, impact resistance, uneasiness in breaking and the like, and can also prevent carbon dioxide gas so as to keep the vapor and water gas. Due to the light weight and good preservability, the technical trend of emphasizing functions such as heat resistance and pressure resistance makes PET bottles the mainstream of drinking packaging today. Many beverages that require high temperature sterilization to be filled, such as flavored waters, juices, dairy products, sports drinks, etc., are also packaged in succession with PET bottles, which are naturally the dominant packaging materials for the beverage products. PET bottles are becoming increasingly more environmentally friendly than conventional packaging materials due to their low environmental pollution and energy consumption. It has heat-resisting and pressure-resisting functions, and can be used for replacing various PVC bottles, bags, aluminium cans, iron cans and glass bottles, so that it is the packaging material with the most growing potential. The PET bottle has strong applicability and is widely applied to the fields of articles for daily use, daily chemical packaging and the like. The mold processing and the machine equipment have extremely strong pertinence, the entrance is easy, and the finishing is difficult. The prior art has the problems of difference, low precision, poor product quality, high reject ratio and great loss among the same batches of PET bottles produced.
Aiming at the technical problems, the technical scheme provided by the application has the following overall thought:
the embodiment of the application provides a production control method of PET (polyethylene terephthalate) bottles, wherein the method comprises the following steps: obtaining first bottle embryo manufacturing material information, and taking the manufacturing material information as first basic information; acquiring first preset cost information, inputting the first basic information and the first preset cost information into a bottle embryo forming process matching model, and acquiring a first bottle embryo forming process; obtaining a first bottle embryo through the first basic information and the first bottle embryo forming process, and acquiring an image of the first bottle embryo through the first image acquisition device to obtain a first image; performing different-color feature matching on the first image to obtain a first different-color feature matching result; constructing a first different-color feature corresponding relation set, and inputting the first different-color feature matching result into the first different-color feature corresponding relation set to obtain a first correction parameter; and carrying out production control on the PET bottle according to the first correction parameter.
Having described the basic principles of the present application, various non-limiting embodiments of the present application will now be described in detail with reference to the accompanying drawings.
Example 1
As shown in fig. 1, an embodiment of the present application provides a method for controlling production of PET bottles, where the method is applied to a production control system, and the system is communicatively connected to a first image acquisition device, and the method includes:
s100: obtaining first bottle embryo manufacturing material information, and taking the manufacturing material information as first basic information;
s200: acquiring first preset cost information, inputting the first basic information and the first preset cost information into a bottle embryo forming process matching model, and acquiring a first bottle embryo forming process;
specifically, polyethylene terephthalate is abbreviated as PET or PETP, and commonly known as polyester resin. It is a polycondensate of terephthalic acid and ethylene glycol, together with PBT, collectively referred to as a thermoplastic polyester, or a saturated polyester. PET is a milky or pale yellow highly crystalline polymer with a smooth and glossy surface. The quality of PET bottle depends on the quality of the supplied bottle embryo, the bottle embryo is a rudiment before PET bottle molding, the wall thickness and transparency of the tube are high, and the bottle embryo can be sealed by a common plastic bottle cap and has the advantages of no breaking, etc. The method comprises the steps that a first bottle embryo is any bottle embryo, manufacturing material information of the first bottle embryo is obtained and comprises molecular weight, viscosity and the like, the first basic information is used as the first basic information, the cost for manufacturing a PET bottle is estimated based on historical data, the first preset cost information is obtained, the first basic information and the first preset cost information are input into a bottle embryo forming process matching model, the bottle embryo forming process matching model can reasonably match the bottle embryo forming process according to material information and cost budget of the bottle embryo, a first bottle embryo forming process is obtained, the bottle embryo forming process currently comprises long glue ports, short glue ports and the like, and the corresponding bottle embryo is manufactured according to the material and manufacturing process of the bottle embryo. Optimizing manufacturing process selection through analysis of base materials and preset cost information
S300: obtaining a first bottle embryo through the first basic information and the first bottle embryo forming process, and acquiring an image of the first bottle embryo through the first image acquisition device to obtain a first image;
specifically, the first image acquisition device is used for acquiring an image of the first bottle blank to obtain a first image, the first image acquisition device can be equipment with a photographing function, the color and the appearance of the first bottle blank are acquired in all directions, and the important parts such as a bottle mouth and a bottle bottom are subjected to image acquisition. The first image comprises color information, shape information, transparency information and the like, and the basis can be laid for improving the quality detection of the PET bottle by carrying out omnibearing image acquisition.
S400: performing different-color feature matching on the first image to obtain a first different-color feature matching result;
s500: constructing a first different-color feature corresponding relation set, and inputting the first different-color feature matching result into the first different-color feature corresponding relation set to obtain a first correction parameter;
s600: and carrying out production control on the PET bottle according to the first correction parameter.
Specifically, the different color features are color differences, local color anomalies, transparency anomalies, different color position shapes, areas, different color positions and the like, and the different color features of the first image are matched to obtain the first different color feature matching result, namely the different color features of the PET bottle manufactured by using the first bottle embryo. Further constructing a first different-color feature corresponding relation set, wherein the first different-color feature corresponding relation set comprises different-color features which can appear in the production of PET bottles and process parameters which cause various different colors. Inputting the first different-color feature matching result into the first different-color feature corresponding relation set to obtain a first correction parameter, in other words, analyzing the first different-color feature matching result to obtain the technological parameter causing the different colors as the first correction parameter, and correcting and optimizing according to the first correction parameter in the subsequent manufacturing process so as to realize the production control of the PET bottle. The method can achieve the technical effects of accurately matching correction parameters, improving the quality of PET bottles, reducing loss and improving the qualification rate of products.
Further, the step S500 further includes:
s510: obtaining the color shade characteristic of the heterochromatic characteristic, and taking the color shade characteristic as a first-level classification characteristic;
s520: obtaining different color position features of different color features, and taking the different color position features as secondary classification features;
s530: obtaining different color size characteristics, and taking the different color size characteristics as three-level classification characteristics;
s540: and constructing different color characteristic values and parameter influence relations based on the primary classification characteristic, the secondary classification characteristic and the tertiary classification characteristic, and obtaining the first different color characteristic corresponding relation set.
Specifically, the first-level classification features comprise color shade features of different-color features, such as yellowing, silver marks, bottom blushing and the like, the color shades are different, and the PET bottle is classified once by taking the color shade features as the first-level classification features. The characteristic positions of different colors comprise characteristic positions with larger influence on the quality of the PET bottle, such as inside, outside, bottom and mouth of the bottle, the characteristic of the different colors is used as a secondary classification characteristic to classify the PET bottle secondarily, if different colors exist in the bottle, impurities possibly enter the bottle, the characteristic positions may be caused by environmental factors, and if different colors exist outside the bottle, the characteristic positions may be a problem of a base material, and also may be a problem of a forming process. The three-level classification characteristic is different-color size characteristic, the different-color area is too large, the defects of the PET bottle are too obvious, the product quality is low, the different-color area is smaller, the defects of the PET bottle are not easy to perceive, and the PET bottle can be classified for three times according to the different-color size characteristic. The different-color characteristic value is obtained from the classification results of the primary classification characteristic, the secondary classification characteristic and the tertiary classification characteristic, and the larger the different-color characteristic value is, the worse the quality of the PET bottle is. The parameter influence relation refers to the influence relation of key parameters in the production and processing process on the quality of PET bottles, different color characteristic values and parameter influence relation construction are carried out according to the primary classification characteristic, the secondary classification characteristic and the tertiary classification characteristic, and the first different color characteristic corresponding relation set is further obtained. The first different-color feature corresponding relation set comprises different-color feature values and influence relations, and can be used for identifying and analyzing different-color feature matching results, so that correction parameters are obtained, and the effect of accurately correcting the different-color features is achieved.
Further, as shown in fig. 2, the embodiment of the present application further includes:
s610: obtaining a first heating temperature parameter, and performing heating control on the first bottle embryo based on the first heating temperature parameter;
s620: obtaining a first rotation parameter, and rotationally controlling the heating process of the first bottle embryo through the first rotation parameter to obtain a cooled bottle embryo after heating treatment;
s630: the first image acquisition device acquires images of the cooling bottle blanks to obtain second images;
s640: performing image analysis on the second image to obtain a bottle embryo heating uniformity analysis result;
s650: and adjusting the first heating temperature parameter and the first rotation parameter according to the analysis result of the heating uniformity of the bottle embryo, and carrying out production control on the PET bottle according to the adjusted first heating temperature parameter and the first rotation parameter.
Specifically, one of the important factors affecting the production process of PET bottles is temperature, and the bottle blanks are heated and autorotated at a certain speed, so that the blank walls are heated uniformly. Obtaining the first heating temperature parameter and the first rotation parameter, after heating, cooling the first bottle blank to obtain the cooled bottle blank after cooling, and performing image acquisition on the cooled bottle blank by the first image acquisition device to obtain a second image, wherein the second image can evaluate the integrity and the heating uniformity of the embryo wall due to the fact that the bottle blank is different due to improper local heating, so that a heating uniformity analysis result is obtained. And the first heating temperature parameter and the first rotation parameter are adjusted according to the analysis result, so that the production control of the PET bottle is further optimized. The method can achieve the inspection and correction of each working section and ensure the quality of PET bottles in the heating working procedure.
Further, as shown in fig. 3, the embodiment of the present application further includes:
s651: obtaining first pre-blowing pressure parameter information;
s652: obtaining first pre-air flow information;
s653: pre-blowing the bottle embryo in the heating process according to the first pre-blowing pressure parameter information and the first pre-blowing air flow information, and obtaining a pre-blowing influence coefficient according to the analysis result of the heated uniformity of the bottle embryo;
s654: adjusting the first pre-blowing pressure parameter information and the first pre-blowing flow information through the pre-blowing influence coefficient to obtain a first adjustment result;
s655: and carrying out production control on the PET bottle according to the first adjustment result.
Specifically, pre-blowing is started while the stretching rod descends in the blowing process, so that a bottle blank is initially provided with a shape, the shape of the pre-blown bottle determines the difficulty of the blowing process and the performance of the bottle, the size of the pre-blown bottle depends on the pre-blowing pressure and the pre-blowing position, and important process factors in the pre-blowing process include the pre-blowing position, the pre-blowing pressure and the blowing flow. To ensure that the sizes of the pre-blown bottles are consistent, proper pre-blowing pressure is determined, and first pre-blowing pressure parameter information is obtained. Further, first pre-blowing air flow information is obtained, an influence coefficient of pre-blowing on the shape of the pre-blown bottle is obtained according to a bottle embryo heating uniformity analysis result, a pre-blowing process is adjusted, namely, the first pre-blowing air pressure parameter information and the first pre-blowing air flow information are adjusted, a first adjustment result is obtained, and production control of the PET bottle is carried out according to the adjusted pre-blowing air pressure parameter information and the pre-blowing air flow information. Thereby improving the working efficiency of the pre-blowing process and the quality stability of the product.
Further, as shown in fig. 4, the step S653 includes:
s6531: obtaining a first training data set, wherein the first training data set is a bottle embryo heating uniformity analysis result data set;
s6532: obtaining first identification data, wherein the first identification data is identification data of a pre-blowing influence coefficient;
s6533: constructing the mapping relation of the first training data set through the first identification data to obtain a first mapping relation construction result;
s6534: and obtaining the pre-blowing influence coefficient based on the first mapping relation construction result and the bottle embryo heating uniformity analysis result.
Specifically, since the PET bottles of the same batch of PET bottles are produced with the same process parameters, and the number of products of the same production batch is large, abundant data can be provided. And analyzing the heated uniformity of all bottle blanks in the same batch of the first bottle blanks to obtain a first training data set which is a bottle blank heated uniformity analysis result data set, marking the first bottle blank pre-blowing influence coefficient, and obtaining the marking data of the pre-blowing influence coefficient which is the first marking data. And corresponding the first identification data to the first training data set, constructing a mapping relation between the first identification data and the first training data set, and obtaining a first mapping relation construction result. And obtaining the pre-blowing influence coefficient according to the analysis result of the heated uniformity of the bottle embryo and the first mapping relation, so that the influence of the heated uniformity on the quality of the PET bottle and the key parameters in the pre-blowing process can be distinguished, and the effect of the parameters of the pre-blowing process can be controlled more accurately.
Further, as shown in fig. 5, the embodiment of the present application further includes:
s660: obtaining a third image of the second bottle embryo;
s670: similar feature extraction is carried out according to the third image and the first image, and a first similar feature extraction result is obtained;
s680: and correcting the first correction parameters according to the first similar feature extraction result to obtain second correction parameters, and controlling the production of the PET bottles through the second correction parameters.
Specifically, the second bottle embryo is any bottle embryo extracted at random except the first bottle embryo, a third image of the second bottle embryo is obtained, and the third image is an image of the bottle embryo after the second bottle embryo is molded and belongs to the same stage as the first image. Comparing and analyzing the third image and the first image, extracting similar abnormal characteristics to obtain a first similar characteristic extraction result, and correcting a first correction parameter aiming at the similar characteristics, for example, the problem that bottle blanks are opaque in both the first image and the third image is possibly caused by factors such as low heating temperature, insufficient cooling and the like, and further correcting the first heating temperature parameter and the first rotation parameter to obtain a second correction parameter, wherein the second correction parameter is used for controlling the production of PET bottles, so that a production control method can be perfected, and high-efficiency control is realized.
Further, as shown in fig. 6, the embodiment of the present application further includes:
s681: performing abnormal feature extraction according to the third image and the first image to obtain a first abnormal feature extraction result;
s682: obtaining a first association parameter set according to the first abnormal feature extraction result;
s683: and correcting the second correction parameter through the first correlation parameter set to obtain a third correction parameter, and controlling the production of the PET bottle through the third correction parameter.
Specifically, the distinguishing features in the third image and the first image are extracted, the first abnormal feature extraction result is obtained, the abnormal features have associated parameters, the first associated parameter set is obtained, the first associated parameter set is further combined with the second correction parameter, the third correction parameter is obtained, the third correction parameter almost covers the correction parameter of the abnormal features, the production control of the PET bottle is carried out through the third correction parameter, the stability of the PET bottle can be improved, and the qualification rate is improved.
In summary, the production control method of the PET bottle provided by the embodiment of the application has the following technical effects:
1. the method comprises the steps of obtaining first bottle embryo manufacturing material information, and taking the manufacturing material information as first basic information; acquiring first preset cost information, inputting the first basic information and the first preset cost information into a bottle embryo forming process matching model, and acquiring a first bottle embryo forming process; obtaining a first bottle embryo through the first basic information and the first bottle embryo forming process, and acquiring an image of the first bottle embryo through the first image acquisition device to obtain a first image; performing different-color feature matching on the first image to obtain a first different-color feature matching result; constructing a first different-color feature corresponding relation set, and inputting the first different-color feature matching result into the first different-color feature corresponding relation set to obtain a first correction parameter; according to the technical scheme that the production control of the PET bottle is carried out according to the first correction parameters, the technical effects that the quality of the PET bottle is improved, the loss is reduced, and the product percent of pass is improved by comprehensively collecting different color characteristics and accurately matching the correction parameters are achieved.
2. Due to the fact that the image feature extraction method is adopted, the same and different abnormal features of the third image and the first image are extracted, the associated parameter set and the second correction parameter are obtained, and the third correction parameter is further obtained, so that process key nodes in the PET bottle production process can be controlled, and the technical effects of improving product stability and improving qualification rate are achieved.
Example two
Based on the same inventive concept as the production control method of a PET bottle in the foregoing embodiments, as shown in fig. 7, an embodiment of the present application provides a production control system of a PET bottle, wherein the system includes:
a first obtaining unit 11, where the first obtaining unit 11 is configured to obtain first blank making material information, and take the making material information as first basic information;
a second obtaining unit 12, where the second obtaining unit 12 is configured to obtain first preset cost information, input the first basic information and the first preset cost information into a preform molding process matching model, and obtain a first preform molding process;
a third obtaining unit 13, where the third obtaining unit 13 is configured to obtain a first bottle blank through the first basic information and the first bottle blank forming process, and perform image acquisition on the first bottle blank through a first image acquisition device to obtain a first image;
A fourth obtaining unit 14, where the fourth obtaining unit 14 is configured to perform different color feature matching on the first image to obtain a first different color feature matching result;
a fifth obtaining unit 15, where the fifth obtaining unit 15 is configured to construct a first different color feature correspondence set, input the first different color feature matching result into the first different color feature correspondence set, and obtain a first correction parameter;
and a first control unit 16, wherein the first control unit 16 is used for controlling the production of PET bottles according to the first correction parameters.
Further, the system includes:
a sixth obtaining unit, configured to obtain a shade characteristic of the heterochromatic characteristic, and use the shade characteristic as a first-level classification characteristic;
a seventh obtaining unit, configured to obtain a different color location feature of a different color feature, and use the different color location feature as a secondary classification feature;
an eighth obtaining unit, configured to obtain a heterochromatic size feature, and take the heterochromatic size feature as a three-level classification feature;
the first construction unit is used for constructing different color characteristic values and parameter influence relations based on the primary classification characteristic, the secondary classification characteristic and the tertiary classification characteristic, and obtaining the first different color characteristic corresponding relation set.
Further, the system includes:
a ninth obtaining unit, configured to obtain a first heating temperature parameter, and perform heating control on the first bottle embryo based on the first heating temperature parameter;
a tenth obtaining unit, configured to obtain a first rotation parameter, and rotationally control a heating process of the first bottle blank according to the first rotation parameter, so as to obtain a cooled bottle blank after the heating process;
an eleventh obtaining unit, configured to obtain a second image by performing image acquisition on the cooling bottle blank by using the first image acquisition device;
the twelfth obtaining unit is used for carrying out image analysis on the second image to obtain a bottle embryo heating uniformity analysis result;
the second control unit is used for adjusting the first heating temperature parameter and the first rotation parameter according to the analysis result of the heating uniformity of the bottle embryo and controlling the production of the PET bottle according to the adjusted first heating temperature parameter and the adjusted first rotation parameter.
Further, the system includes:
a thirteenth obtaining unit configured to obtain first pre-blow pressure parameter information;
A fourteenth obtaining unit for obtaining first pre-blow air flow information;
a fifteenth obtaining unit, configured to perform pre-blowing on a bottle blank in a heating process according to the first pre-blowing pressure parameter information and the first pre-blowing air flow information, and obtain a pre-blowing influence coefficient according to a result of analyzing the heated uniformity of the bottle blank;
a sixteenth obtaining unit, configured to obtain a first adjustment result by adjusting the first pre-air pressure parameter information and the first pre-air flow information by the pre-air influence coefficient;
and the third control unit is used for controlling the production of the PET bottle according to the first adjustment result.
Further, the system includes:
a seventeenth obtaining unit, configured to obtain a first training data set, where the first training data set is a bottle embryo heating uniformity analysis result data set;
an eighteenth obtaining unit configured to obtain first identification data, where the first identification data is identification data of a pre-blowing influence coefficient;
A nineteenth obtaining unit, configured to perform mapping relationship construction of the first training data set according to the first identification data, and obtain a first mapping relationship construction result;
the twentieth obtaining unit is used for obtaining the pre-blowing influence coefficient based on the first mapping relation construction result and the bottle embryo heating uniformity analysis result.
Further, the system includes:
a twenty-first obtaining unit for obtaining a third image of the second bottle embryo;
a twenty-second obtaining unit, configured to perform similar feature extraction according to the third image and the first image, and obtain a first similar feature extraction result;
and the fourth control unit is used for correcting the first correction parameters according to the first similar characteristic extraction result to obtain second correction parameters, and carrying out production control on PET bottles through the second correction parameters.
Further, the system includes:
a twenty-third obtaining unit, configured to perform abnormal feature extraction according to the third image and the first image, and obtain a first abnormal feature extraction result;
A twenty-fourth obtaining unit, configured to obtain a first association parameter set according to the first abnormal feature extraction result;
and the fifth control unit is used for correcting the second correction parameters through the first associated parameter set to obtain third correction parameters, and carrying out production control on PET bottles through the third correction parameters.
Exemplary electronic device
An electronic device of an embodiment of the present application is described below with reference to figure 8,
based on the same inventive concept as the production control method of the PET bottle in the foregoing embodiments, the embodiments of the present application further provide an electronic device including: a processor coupled to a memory for storing a program that, when executed by the processor, causes an electronic device to perform the method of any of the first aspects.
The electronic device 300 includes: a processor 302, a communication interface 303, a memory 301. Optionally, the electronic device 300 may also include a bus architecture 304. Wherein the communication interface 303, the processor 302 and the memory 301 may be interconnected by a bus architecture 304; the bus architecture 304 may be a peripheral component interconnect (peripheral component interconnect, PCI) bus, or an extended industry standard architecture (extended industry Standard architecture, EISA) bus, among others. The bus architecture 304 may be divided into address buses, data buses, control buses, and the like. For ease of illustration, only one thick line is shown in fig. 8, but not only one bus or one type of bus.
Processor 302 may be a CPU, microprocessor, ASIC, or one or more integrated circuits for controlling the execution of the programs of the present application.
The communication interface 303 uses any transceiver-like system for communicating with other devices or communication networks, such as ethernet, radio access network (radio access network, RAN), wireless local area network (wireless local area networks, WLAN), wired access network, etc.
The memory 301 may be, but is not limited to, ROM or other type of static storage device that may store static information and instructions, RAM or other type of dynamic storage device that may store information and instructions, or may be an EEPROM (electrically erasable Programmable read-only memory), a compact disc-only memory (CD-ROM) or other optical disk storage, optical disk storage (including compact disc, laser disc, optical disc, digital versatile disc, blu-ray disc, etc.), magnetic disk storage media or other magnetic storage devices, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer. The memory may be self-contained and coupled to the processor through bus architecture 304. The memory may also be integrated with the processor.
The memory 301 is used for storing computer-executable instructions for executing the embodiments of the present application, and is controlled by the processor 302 to execute the instructions. The processor 302 is configured to execute computer-executable instructions stored in the memory 301, thereby implementing a method for controlling production of PET bottles provided in the above-described embodiments of the present application.
Alternatively, the computer-executable instructions in the embodiments of the present application may be referred to as application program codes, which are not specifically limited in the embodiments of the present application.
Those of ordinary skill in the art will appreciate that: the various numbers of first, second, etc. referred to in this application are merely for convenience of description and are not intended to limit the scope of embodiments of the present application, nor to indicate a sequence. "and/or", describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate: a exists alone, A and B exist together, and B exists alone. The character "/" generally indicates that the context-dependent object is an "or" relationship. "at least one" means one or more. At least two means two or more. "at least one," "any one," or the like, refers to any combination of these items, including any combination of single item(s) or plural items(s). For example, at least one of a, b, or c (species ) may represent: a, b, c, a-b, a-c, b-c, or a-b-c, wherein a, b, c may be single or plural.
In the above embodiments, it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When loaded and executed on a computer, produces a flow or function in accordance with embodiments of the present application, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable system. The computer instructions may be stored in or transmitted from one computer-readable storage medium to another, for example, by wired (e.g., coaxial cable, optical fiber, digital Subscriber Line (DSL)), or wireless (e.g., infrared, wireless, microwave, etc.). The computer readable storage medium may be any available medium that can be accessed by a computer or a data storage device including one or more servers, data centers, etc. that can be integrated with the available medium. The usable medium may be a magnetic medium (e.g., a floppy Disk, a hard Disk, a magnetic tape), an optical medium (e.g., a DVD), or a semiconductor medium (e.g., a Solid State Disk (SSD)), or the like.
The various illustrative logical blocks and circuits described in the embodiments of the present application may be implemented or performed with a general purpose processor, a digital signal processor, an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic system, discrete gate or transistor logic, discrete hardware components, or any combination thereof designed to perform the functions described herein. A general purpose processor may be a microprocessor, but in the alternative, the general purpose processor may be any conventional processor, controller, microcontroller, or state machine. A processor may also be implemented as a combination of computing systems, e.g., a digital signal processor and a microprocessor, a plurality of microprocessors, one or more microprocessors in conjunction with a digital signal processor core, or any other similar configuration.
The steps of a method or algorithm described in the embodiments of the present application may be embodied directly in hardware, in a software element executed by a processor, or in a combination of the two. The software elements may be stored in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art. In an example, a storage medium may be coupled to the processor such that the processor can read information from, and write information to, the storage medium. In the alternative, the storage medium may be integral to the processor. The processor and the storage medium may reside in an ASIC, which may reside in a terminal. In the alternative, the processor and the storage medium may reside in different components in a terminal. These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Although the present application has been described in connection with specific features and embodiments thereof, it will be apparent that various modifications and combinations can be made without departing from the spirit and scope of the application. Accordingly, the specification and drawings are merely exemplary illustrations of the present application as defined in the appended claims and are considered to cover any and all modifications, variations, combinations, or equivalents that fall within the scope of the present application. It will be apparent to those skilled in the art that various modifications and variations can be made in the present application without departing from the scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims and the equivalents thereof, the present application is intended to include such modifications and variations.
Claims (1)
1. A method of controlling production of PET bottles, wherein the method is applied to a production control system communicatively coupled to a first image acquisition device, the method comprising:
obtaining first bottle embryo manufacturing material information, and taking the manufacturing material information as first basic information;
acquiring first preset cost information, inputting the first basic information and the first preset cost information into a bottle embryo forming process matching model, and acquiring a first bottle embryo forming process;
Obtaining a first bottle embryo through the first basic information and the first bottle embryo forming process, and acquiring an image of the first bottle embryo through the first image acquisition device to obtain a first image;
performing different-color feature matching on the first image, wherein the different-color features are color occurrence depth difference, local color abnormality, transparency abnormality and different-color positions, shapes and areas, and a first different-color feature matching result is obtained;
a first different-color feature corresponding relation set is constructed, the first different-color feature matching result is input into the first different-color feature corresponding relation set, a first correction parameter is obtained, and the first correction parameter is obtained by analyzing the first different-color feature matching result;
carrying out production control on PET bottles according to the first correction parameters;
wherein, the constructing the first different color feature corresponding relation set further includes:
obtaining the color shade characteristic of the heterochromatic characteristic, and taking the color shade characteristic as a first-level classification characteristic;
obtaining different color position features of different color features, and taking the different color position features as secondary classification features;
obtaining different color size characteristics, and taking the different color size characteristics as three-level classification characteristics;
Constructing different color characteristic values and parameter influence relations based on the primary classification characteristic, the secondary classification characteristic and the tertiary classification characteristic to obtain a first different color characteristic corresponding relation set, wherein the first different color characteristic corresponding relation set comprises different color characteristics which can appear in the production of PET bottles and process parameters which cause various different colors;
wherein the method further comprises:
obtaining a first heating temperature parameter, and performing heating control on the first bottle embryo based on the first heating temperature parameter;
obtaining a first rotation parameter, and rotationally controlling the heating process of the first bottle embryo through the first rotation parameter to obtain a cooled bottle embryo after heating treatment;
the first image acquisition device acquires images of the cooling bottle blanks to obtain second images;
performing image analysis on the second image to obtain a bottle embryo heating uniformity analysis result;
adjusting the first heating temperature parameter and the first rotation parameter according to the analysis result of the heating uniformity of the bottle embryo, and controlling the production of the PET bottle according to the adjusted first heating temperature parameter and the adjusted first rotation parameter;
Wherein the method further comprises:
obtaining first pre-blowing pressure parameter information;
obtaining first pre-air flow information;
pre-blowing the bottle embryo in the heating process according to the first pre-blowing pressure parameter information and the first pre-blowing air flow information, and obtaining a pre-blowing influence coefficient according to the analysis result of the heated uniformity of the bottle embryo;
adjusting the first pre-blowing pressure parameter information and the first pre-blowing flow information through the pre-blowing influence coefficient to obtain a first adjustment result;
carrying out production control on PET bottles according to the first adjustment result;
wherein, the obtaining the pre-blowing influence coefficient according to the analysis result of the heating uniformity of the bottle embryo further comprises:
obtaining a first training data set, wherein the first training data set is a bottle embryo heating uniformity analysis result data set;
obtaining first identification data, wherein the first identification data is identification data of a pre-blowing influence coefficient;
constructing the mapping relation of the first training data set through the first identification data to obtain a first mapping relation construction result;
obtaining the pre-blowing influence coefficient based on the first mapping relation construction result and the bottle embryo heating uniformity analysis result;
Wherein the method further comprises:
obtaining a third image of the second bottle embryo;
similar feature extraction is carried out according to the third image and the first image, and a first similar feature extraction result is obtained;
correcting the first correction parameters according to the first similar feature extraction result to obtain second correction parameters, and controlling the production of PET bottles through the second correction parameters;
wherein the method further comprises:
performing abnormal feature extraction according to the third image and the first image to obtain a first abnormal feature extraction result;
obtaining a first association parameter set according to the first abnormal feature extraction result;
and correcting the second correction parameter through the first correlation parameter set to obtain a third correction parameter, and controlling the production of the PET bottle through the third correction parameter.
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| CN114119561A (en) * | 2021-11-29 | 2022-03-01 | 扬州三星塑胶有限公司 | PET finished product packaging quality detection method and system |
| CN114706358A (en) * | 2022-06-02 | 2022-07-05 | 张家港华程机车精密制管有限公司 | Method and system for processing welding process information of straight welded pipe |
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