CN113673915B - Polypropylene infusion bag quality monitoring and analyzing system based on production complete cycle tracking - Google Patents
Polypropylene infusion bag quality monitoring and analyzing system based on production complete cycle tracking Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 280
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Abstract
The invention belongs to the technical field of monitoring of production quality of polypropylene infusion bags, and particularly discloses a quality monitoring and analyzing system for a polypropylene infusion bag based on production complete cycle tracking, which comprises a marking module for process steps of the polypropylene infusion bag, a production cycle modeling and monitoring module, a production database and a monitoring result analyzing terminal, by monitoring the raw material matching of production equipment before the production of the upright polypropylene infusion bag, accurately monitoring the technological operation in the production process and monitoring the molding quality, further, the monitoring results are integrated to evaluate the comprehensive production quality coefficient corresponding to the vertical polypropylene transfusion bag, the quality detection process integrates the detection of the whole flow before, during and after the production of the infusion bag, the detection direction of the vertical polypropylene infusion bag corresponding to the production quality is widened to a certain extent, so that the full-period tracking monitoring of the vertical polypropylene infusion bag corresponding to the production quality is realized.
Description
Technical Field
The invention belongs to the technical field of monitoring of production quality of polypropylene infusion bags, and particularly relates to a polypropylene infusion bag quality monitoring and analyzing system based on production full-cycle tracking.
Background
Along with the enhancement of consciousness of people on the safety of large infusion products, the vertical polypropylene infusion bag enters the field of vision of the public as a new high-capacity injection packaging mode, and on one hand, a closed infusion mode is adopted, external air does not need to be introduced, so that secondary pollution can be effectively avoided, on the other hand, the vertical polypropylene infusion bag can be placed vertically, and the operation habit of medical workers is met. In this case, the upright polypropylene infusion bag, by virtue of the above advantages, dominates the infusion market and becomes the infusion product with the widest application range.
Just because the vertical polypropylene infusion bag has a wide application range in the infusion market, the production quality of the vertical polypropylene infusion bag needs to be ensured, and therefore, the monitoring of the production quality of the vertical polypropylene infusion bag is essential. However, the direction of detecting the production quality of the infusion bag by the vertical polypropylene infusion bag production enterprises at present is mainly on the detection of the forming quality after the production is finished, and the detection of the preparation work quality before the corresponding production of the vertical polypropylene infusion bag, such as the detection of production raw materials and production equipment, is not only ignored; the quality detection of the production process steps is also omitted, and the quality detection of preparation work before production and the quality detection of the production process steps both have influence on the production quality of the vertical polypropylene infusion bag. Therefore, the production quality detection mode has the advantages that due to the unicity of the detection direction, on one hand, the detection result is too single-sided, and the accuracy is not high; on the other hand, the production period tracking monitoring of the production quality of the vertical polypropylene infusion bag cannot be realized.
Disclosure of Invention
The technical task of the invention is to provide a polypropylene infusion bag quality monitoring and analyzing system which is comprehensive and reliable in detection direction and based on production full-period tracking, and effectively realize tracking and monitoring of production quality of vertical polypropylene infusion bags.
The technical scheme provided by the invention is as follows: a polypropylene infusion bag quality monitoring and analyzing system based on production full-cycle tracking comprises a polypropylene infusion bag process step marking module, a production cycle modeling and monitoring module, a production database and a monitoring result analyzing terminal.
The vertical polypropylene infusion bag process step marking module is used for obtaining the number of process steps corresponding to the production of the vertical polypropylene infusion bag, marking the obtained process steps according to the sequence of production time, and marking the process steps as 1,2, a.
The production period modeling monitoring module is used for tracking and monitoring the production quality of the upright polypropylene infusion bag according to the production period, and comprises a production equipment raw material matching monitoring module, a process step accurate process operation monitoring module and a production molding quality monitoring module.
The production equipment raw material matching monitoring module is used for matching and monitoring the production equipment raw materials for realizing production before the production of the vertical polypropylene infusion bag, and counting the raw material use matching degree of the production equipment.
The process step and process operation accurate monitoring module is used for accurately monitoring process operation parameters of the upright polypropylene infusion bag in the production process and counting the operation accuracy of the process steps.
The production molding quality monitoring module is used for monitoring the quality of the vertical polypropylene infusion bag molding product after production is completed, wherein the production molding product quality monitoring module comprises a molding product visual appearance quality monitoring unit and a molding product airtight quality monitoring unit.
And the monitoring result analysis terminal is used for evaluating the comprehensive production quality coefficient corresponding to the vertical polypropylene infusion bag according to the monitoring result tracked by the production period of the vertical polypropylene infusion bag.
In one possible design, the specific process of the raw material matching monitoring of the production equipment is as follows: and obtaining the product name corresponding to the vertical polypropylene infusion bag to be monitored, and calling the standard amount of the polypropylene raw material required by the product corresponding to single production and the standard model corresponding to each required production device from the production database.
The method comprises the following steps of obtaining the actual consumption of the polypropylene raw materials and the models corresponding to the actually used production equipment before the production of the vertical polypropylene infusion bag.
Comparing the actual consumption of the polypropylene raw material with the standard consumption of the polypropylene raw material to obtain the matching degree of the consumption of the production raw material, and recording the matching degree as
。
Matching the model corresponding to each actually used production equipment with the standard model corresponding to each production equipment needing to be used, counting the number of the successfully matched production equipment, calculating the use matching degree of the production equipment, and recording the use matching degree as
。
Will be provided with
And
substituting into the formula for calculating the matching degree of raw material usage of the production equipment
And calculating to obtain the raw material use matching degree of the production equipment.
In one possible design, the specific process of precisely monitoring the process operation parameters comprises the following steps: the method comprises the first step of collecting a material placing production equipment time point, a production equipment starting operation time point and a production equipment stopping operation time point in the production process of the vertical polypropylene infusion bag corresponding to each process step.
The second step is that the starting operation time point of the production equipment corresponding to each process step is subtracted from the time point of the material placing production equipment to obtain the material placing interval duration corresponding to each process step, and the material placing interval duration is recorded as
And comparing the time length of the standard material placing interval corresponding to each process step of the production of the vertical polypropylene infusion bag in the production database, calculating the material placing interval precision of the process steps, and recording the precision as
，
，
And the time interval of the standard material placement corresponding to the ith process step is expressed.
The third step: from the 2 nd process step, subtracting the stop operation time point of the production equipment corresponding to the current process step from the time point of the material placement production equipment corresponding to the previous process step to obtain the operation gap duration corresponding to each adjacent process step, and recording the operation gap duration as the operation gap duration set of the adjacent process steps
，
Expressed as the length of the operating gap between the ith process step and the (i-1) th process step corresponding to the adjacent process step.
The fourth step: comparing the set of the operation gap durations of the adjacent process steps with the standard operation gap durations corresponding to the adjacent process steps in the production database for producing the vertical polypropylene infusion bag, calculating the operation gap accuracy of the process steps, and recording the operation gap accuracy as
，
，
Expressed as the standard operating gap length of the ith process step and the (i-1) th process step corresponding to the adjacent process steps.
The fifth step: subtracting the production equipment stop operation time point corresponding to each process step from the production equipment start operation time point corresponding to the process step to obtain the process operation duration corresponding to each process step, and recording the process operation duration as the process operation duration
。
And a sixth step: will be provided with
Comparing the standard process operation time length corresponding to each process step corresponding to the production of the vertical polypropylene infusion bag in the production database, calculating the operation time length accuracy of the process steps, and recording the accuracy as
，
，
Expressed as the standard process operation time corresponding to the ith process step.
The seventh step: according to
、
And
counting the operation accuracy of the process steps
，
Expressed as the process step operating accuracy.
In one possible design, the process operation parameters include a material placement interval duration corresponding to each process step, a process operation duration, and an operation gap duration corresponding to an adjacent process step.
In a possible design, the forming product visual appearance quality monitoring unit is used for carrying out visual appearance quality detection on the vertical polypropylene infusion bag forming product after production is completed, and the specific detection process is as follows: (1) and collecting appearance images of the formed polypropylene infusion bag, and extracting appearance basic attribute parameters from the collected appearance images.
(2) Extracting the shape from the appearance basic attribute parameters, matching the shape with the standard shape corresponding to the polypropylene infusion bag as the molded product in the production database, and recording the mass value of the shape corresponding to the polypropylene infusion bag as the value of the mass of the shape if the matching is successful
If the matching fails, the quality value of the external shape corresponding to the polypropylene infusion bag of the molding product is recorded as
。
(3) Extracting transparency from the basic attribute parameters of the appearance, comparing the transparency with the standard transparency corresponding to the polypropylene infusion bag as the molded product in the production database, calculating the transparency quality value corresponding to the polypropylene infusion bag as the value
。
(4) Constructing a molded product polypropylene infusion bag actual size model for the acquired appearance image, performing coincidence comparison on the model and a molded product polypropylene infusion bag standard size model, counting the volume of a coincidence area, calculating the corresponding production size quality value of the molded product polypropylene infusion bag, and recording the value as the production size quality value
。
(5) Judging whether appearance defects exist in the acquired appearance images, counting the number of appearance defect areas existing on the appearance surface of the formed polypropylene infusion bag if the appearance defects exist, carrying out appearance defect area focusing on the appearance images to identify appearance defect indexes corresponding to the appearance defect areas, calculating appearance defect degree values corresponding to the formed polypropylene infusion bag according to the appearance defect indexes corresponding to the appearance defect areas, and recording the appearance defect degree values as appearance defect degree values
。
(6) Combining the appearance shape quality value, the transparency quality value, the production dimension quality value and the appearance defect degree value corresponding to the polypropylene infusion bag of the molding product to count the visual appearance quality coefficient corresponding to the polypropylene infusion bag of the molding product,
，
expressed as the visible appearance quality coefficient corresponding to the polypropylene transfusion bag of the molding product,
expressed as the external shape quality value corresponding to the polypropylene infusion bag of the molded product, and
can take on values of
Or
。
In one possible design, the appearance basic property parameters include shape and transparency.
In one possible design, the apparent defect indicators include an apparent defect category and an apparent defect area.
In a possible design, the formed product airtight quality monitoring unit is used for detecting the airtight quality of the vertical polypropylene infusion bag formed product after production is finished, obtaining the airtight quality coefficient corresponding to the formed product polypropylene infusion bag, and recording the airtight quality coefficient as
。
In one possible design, the evaluation calculation formula of the corresponding comprehensive production quality coefficient of the polypropylene infusion bag is
，
Expressed as the comprehensive production quality coefficient corresponding to the polypropylene infusion bag,
、
、
respectively expressed as the matching degree of the raw materials of the production equipment, the operation precision of the process steps and the weighted values corresponding to the production quality coefficients of the formed products,
、
respectively expressed as the weight values corresponding to the visual appearance quality and the air tightness quality.
In one possible design, the
、
And
corresponding relationship is
，
And
corresponding relationship is
。
The invention has the following beneficial effects: 1. according to the invention, the number of production process steps corresponding to the vertical polypropylene infusion bag is counted and marked, so that the vertical polypropylene infusion bag is subjected to matching monitoring of production equipment raw materials before production and accurate monitoring of process operation in the production process, the quality of a formed product is monitored after the vertical polypropylene infusion bag is produced, and finally the monitoring result is synthesized to evaluate the comprehensive production quality coefficient corresponding to the vertical polypropylene infusion bag, the quality detection process integrates detection of the whole process before production, in the production process and after production is completed of the infusion bag, the detection direction of the production quality corresponding to the vertical polypropylene infusion bag is widened to a certain extent, so that the whole-period tracking monitoring of the production quality corresponding to the vertical polypropylene infusion bag is realized, and the problem that the detection direction of the production quality detection of the vertical polypropylene infusion bag by the existing vertical polypropylene infusion bag production enterprises is too single is solved greatly, furthermore, the widening of the production quality detection direction also improves the precision and reliability of the detection result to a corresponding degree.
2. When the process operation in the production process of the upright polypropylene infusion bag is accurately monitored, the accurate monitoring indexes relate to accurate monitoring of the time length of the material placing interval corresponding to each process step, accurate monitoring of the time length of the process operation corresponding to each process step and accurate monitoring of the time length of the operation gap corresponding to the adjacent process step, the characteristics of multiple dimensions and comprehensiveness of accurate monitoring of the process operation corresponding to the production process of the upright polypropylene infusion bag are reflected, and the defect that the monitoring result is too single-sided due to a single accurate monitoring index is avoided.
Drawings
The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be obtained on the basis of the following drawings without inventive effort.
Fig. 1 is a schematic diagram of the system connection structure of the present invention.
FIG. 2 is a schematic diagram of the connection structure of the production cycle modeling monitoring module according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a polypropylene infusion bag quality monitoring and analyzing system based on production complete cycle tracking comprises a vertical polypropylene infusion bag process step marking module, a production cycle modeling and monitoring module, a production database and a monitoring result analyzing terminal.
The vertical polypropylene infusion bag process step marking module is connected with the production period modeling monitoring module, and the production period modeling monitoring module is connected with the monitoring result analysis terminal.
The vertical polypropylene infusion bag process step marking module is used for obtaining the number of process steps corresponding to the production of the vertical polypropylene infusion bag, marking the obtained process steps according to the sequence of production time, and marking the process steps as 1,2, a.
The vertical polypropylene infusion bag process steps mentioned in the embodiment specifically include the steps of manufacturing a bag blank by using a polypropylene particle raw material, heating a lamp box, blowing by using a blow mold, and stretching and cooling.
The production database is used for storing standard usage of polypropylene raw materials required by single production of a vertical polypropylene infusion bag and standard models corresponding to production equipment required to be used, storing standard material placing interval time corresponding to each process step for producing the vertical polypropylene infusion bag, storing standard operation gap time corresponding to each adjacent process step for producing the vertical polypropylene infusion bag, storing standard process operation time corresponding to each process step for producing the vertical polypropylene infusion bag, storing standard shape corresponding to a formed polypropylene infusion bag, storing standard transparency corresponding to the formed polypropylene infusion bag, and storing defect level values of each appearance defect type, wherein the appearance defect type comprises scratches, black points, crystal points, broken edges and the like, storing set infusion bag volume comparison threshold values, and storing matching degree of raw materials of the production equipment, The operation precision of the process steps, the production quality coefficient of the formed product, the visual appearance quality and the weighted value corresponding to the airtight quality.
Referring to fig. 2, the production period modeling monitoring module is used for tracking and monitoring the production quality of the upright polypropylene infusion bag according to the production period, wherein the production period modeling monitoring module comprises a production equipment raw material matching monitoring module, a process step accurate process operation monitoring module and a production molding quality monitoring module.
Production facility raw materials matches monitoring module is used for matching the monitoring to the production facility raw materials that realize production before vertical type polypropylene infusion bag production to use the matching degree with this statistics production facility raw materials, wherein the concrete process of production facility raw materials matching monitoring as follows: the method comprises the steps of obtaining a product name corresponding to a to-be-monitored vertical polypropylene infusion bag, calling a standard polypropylene raw material amount required by single production and a standard model corresponding to each required production device from a production database according to the product name, taking the standard polypropylene raw material amount required by the single production as Q, counting the required production device amount from the standard model corresponding to each required production device, and taking the required production device amount as K.
The method comprises the steps of obtaining the actual consumption of the polypropylene raw materials and the models corresponding to the actually used production equipment before the production of the vertical polypropylene infusion bag, and recording the actual consumption of the polypropylene raw materials as q.
Comparing the actual consumption of the polypropylene raw material with the standard consumption of the polypropylene raw material to obtain the matching degree of the consumption of the production raw material, and recording the matching degree as
,
Wherein the closer the actual consumption of the polypropylene raw material is to the standard consumption of the polypropylene raw material, the greater the matching degree of the consumption of the production raw material is, and the matching degree of the consumption of the production raw material is shownThe higher.
Matching the model corresponding to each actually used production equipment with the standard model corresponding to each production equipment needed to be used, counting the number of the successfully matched production equipment from the models, marking the number as k, comparing the number of the successfully matched production equipment with the number of the production equipment needed to be used, calculating the use matching degree of the production equipment, and marking the number as k
，
And the larger the number of the production devices which are successfully matched is, the larger the matching degree of the production devices is, and the higher the matching degree of the production devices is.
Will be provided with
And
substituting into the formula for calculating the matching degree of raw material usage of the production equipment
And calculating to obtain the raw material use matching degree of the production equipment, wherein
Expressed as the degree of matching of raw material usage of the production equipment, and
、
the larger the size of the tube is,
the larger the size, the better the quality of the corresponding preparation work before the production of the vertical polypropylene infusion bag.
The accurate monitoring module of process operation of process step is used for carrying out accurate monitoring to the process operation parameter of upright polypropylene infusion bag in the production process, and the process operation parameter mentioned here includes that the material that each process step corresponds places the interval duration, the process operation duration and the adjacent process step corresponds to the operation clearance duration, and in order to this statistics process step operation accuracy, wherein the specific process of the accurate monitoring of process operation parameter carries out the following steps: the method comprises the first step of collecting a material placing production equipment time point, a production equipment starting operation time point and a production equipment stopping operation time point in the production process of the vertical polypropylene infusion bag corresponding to each process step.
The second step is that the starting operation time point of the production equipment corresponding to each process step is subtracted from the time point of the material placing production equipment to obtain the material placing interval duration corresponding to each process step, and the material placing interval duration is recorded as
And comparing the time length of the standard material placing interval corresponding to each process step of the production of the vertical polypropylene infusion bag in the production database, calculating the material placing interval precision of the process steps, and recording the precision as
，
，
The standard material placing interval time corresponding to the ith process step is represented, wherein the material placing interval time is more consistent with the standard material placing interval time, the higher the material placing interval precision of the process step is, and the higher the material placing interval precision of the process step is.
The third step: from the 2 nd process step, subtracting the stop operation time point of the production equipment corresponding to the current process step from the time point of the material placement production equipment corresponding to the previous process step to obtain the operation clearance corresponding to each adjacent process stepLength is recorded as the set of the length of the operating gap of the adjacent process step
，
Expressed as the length of the operating gap between the ith process step and the (i-1) th process step corresponding to the adjacent process step.
The fourth step: comparing the set of the operation gap durations of the adjacent process steps with the standard operation gap durations corresponding to the adjacent process steps in the production database for producing the vertical polypropylene infusion bag, calculating the operation gap accuracy of the process steps, and recording the operation gap accuracy as
，
，
And the standard operation gap duration of the adjacent process step corresponding to the ith process step and the (i-1) th process step is expressed, wherein the greater the operation gap duration corresponding to the adjacent process step is consistent with the standard operation gap duration, the greater the operation gap accuracy of the process step is, and the higher the operation gap accuracy of the process step is.
The fifth step: subtracting the production equipment stop operation time point corresponding to each process step from the production equipment start operation time point corresponding to the process step to obtain the process operation duration corresponding to each process step, and recording the process operation duration as the process operation duration
。
And a sixth step: will be provided with
Corresponding to each process step for producing vertical polypropylene infusion bag in production databaseComparing the standard process operation time length, calculating the precision of the process step operation time length and recording the precision as
，
，
And the standard process operation time corresponding to the ith process step is expressed, wherein the closer the process operation time is to the standard process operation time, the higher the accuracy of the process step operation time is, and the higher the accuracy of the process step operation time is.
The seventh step: according to
、
And
counting the operation accuracy of the process steps
，
Expressed as the process step operating accuracy, wherein
、
、
The larger the size, the higher the operation precision of the process steps, which indicates that the production quality of the vertical polypropylene infusion bag in the production process is better.
When the process operation in the production process of the upright polypropylene infusion bag is accurately monitored, the accurate monitoring indexes relate to accurate monitoring of the time length of the material placing interval corresponding to each process step, accurate monitoring of the time length of the process operation corresponding to each process step and accurate monitoring of the time length of the operation gap corresponding to the adjacent process step, the characteristics of multiple dimensions and comprehensiveness of accurate monitoring of the process operation corresponding to the production process of the upright polypropylene infusion bag are reflected, and the defect that the monitoring result is too single due to a single accurate monitoring index is avoided.
The production molding quality monitoring module is used for monitoring the quality of the vertical polypropylene infusion bag molded product after production is finished, wherein the production molding quality monitoring module comprises a molded product visual appearance quality monitoring unit and a molded product airtight quality monitoring unit.
The visible appearance quality monitoring unit of the formed product is used for carrying out visible appearance quality detection on the formed product of the vertical polypropylene infusion bag after production is finished, and the specific detection process is as follows: (1) and collecting an appearance image of the formed polypropylene infusion bag, and extracting appearance basic attribute parameters from the collected appearance image, wherein the appearance basic attribute parameters comprise an appearance shape and transparency.
(2) Extracting the shape from the appearance basic attribute parameters, matching the shape with the standard shape corresponding to the polypropylene infusion bag as the molded product in the production database, and recording the mass value of the shape corresponding to the polypropylene infusion bag as the value of the mass of the shape if the matching is successful
If the matching fails, the quality value of the external shape corresponding to the polypropylene infusion bag of the molding product is recorded as
Wherein
。
(3) From, toExtracting transparency from the basic attribute parameters of the appearance, recording the transparency as H, comparing the transparency with standard transparency corresponding to the polypropylene infusion bag as a molded product in a production database, recording the standard transparency as H, calculating a transparency quality value corresponding to the polypropylene infusion bag as the value of the transparency quality value
,
Wherein a greater transparency value indicates a greater transparency quality, the closer the transparency is to the standard transparency.
(4) The method comprises the steps of establishing a formed product polypropylene infusion bag actual size model for an acquired appearance image, performing coincidence comparison on the model and a formed product polypropylene infusion bag standard size model, counting the volume of a coincidence area from the coincidence area, recording the volume as V, acquiring the formed product polypropylene infusion bag standard size from the formed product polypropylene infusion bag standard size model at the moment, recording the standard volume as V, further comparing the volume of the coincidence area with the formed product polypropylene infusion bag standard size, calculating the production size quality value corresponding to the formed product polypropylene infusion bag, and recording the production size quality value as V
，
Wherein a larger overlap area volume indicates a larger production dimensional quality value, indicating a better production dimensional quality.
(5) Judging whether appearance defects exist in the acquired appearance images, counting the number of appearance defect areas existing on the appearance surface of the polypropylene infusion bag of the molded product if the appearance defects exist, numbering the appearance defect areas, marking the number of the appearance defect areas as 1,2, aSet of appearance defect indicators
，
The method comprises the following steps of (1) representing an appearance defect index corresponding to the jth appearance defect area, w representing the appearance defect index, w = u1, and u2 representing the appearance defect type and the appearance defect area respectively, and further calculating an appearance defect degree value corresponding to the molded polypropylene infusion bag according to the appearance defect index corresponding to each appearance defect area, wherein the specific calculation process comprises the following steps:
extracting the appearance defect type corresponding to each appearance defect region from the appearance defect index set, matching the appearance defect type with the defect level value of each appearance defect type in the production database, screening out the defect level value corresponding to each appearance defect region, and recording the defect level value as the defect level value
。
Obtaining the total surface area of the polypropylene infusion bag of the formed product from the collected appearance image and recording the total surface area as
。
Extracting the appearance defect area corresponding to each appearance defect area from the appearance defect index set, and calculating the appearance defect degree value corresponding to the polypropylene infusion bag of the molding product according to the defect level value, the appearance defect area and the total surface area corresponding to each appearance defect area
Wherein the larger the defect level value and the apparent defect area are, the larger the apparent defect degree value is.
(6) Combining the appearance shape quality value, the transparency quality value, the production dimension quality value and the appearance defect degree value corresponding to the polypropylene infusion bag of the molding product to count the visual appearance quality coefficient corresponding to the polypropylene infusion bag of the molding product,
，
expressed as the visible appearance quality coefficient corresponding to the polypropylene transfusion bag of the molding product,
expressed as the external shape quality value corresponding to the polypropylene infusion bag of the molded product, and
can take on values of
Or
。
The molded product airtight quality monitoring unit is used for detecting the airtight quality of the molded product of the vertical polypropylene infusion bag after production is finished, and the specific detection process executes the following steps: step 1: and packaging the packaging opening corresponding to the vertical polypropylene infusion bag molding product after production.
Step 2: and (3) placing the vertical polypropylene infusion bag molding product after the packaging is finished in a vacuum chamber, vacuumizing the vacuum chamber, expanding the infusion bag due to the internal and external pressure difference of the vertical polypropylene infusion bag molding product, and acquiring the volume of the expanded infusion bag, wherein the volume is marked as B.
And step 3: and (4) after the vacuum chamber releases the vacuum, the shape of the vertical polypropylene infusion bag molding product is recovered to the original shape, and the volume of the recovered infusion bag is obtained and recorded as b.
And 4, step 4: comparing the volume of the expanded infusion bag with the volume of the recovered infusion bag to obtain a volume comparison value of the infusion bag, and recording the volume comparison value as
Wherein
And comparing the air tightness mass coefficient with a set infusion bag volume comparison threshold value to calculate the air tightness mass coefficient corresponding to the polypropylene infusion bag of the molding product, and recording the air tightness mass coefficient as the air tightness mass coefficient
，
，
Expressed as a set infusion bag volume contrast threshold, wherein the smaller the infusion bag volume contrast value, the larger the air tightness mass coefficient, indicating the better air tightness mass.
The monitoring result analysis terminal is used for evaluating the comprehensive production quality coefficient corresponding to the vertical polypropylene infusion bag according to the monitoring result tracked by the production period of the vertical polypropylene infusion bag, and the calculation formula of the comprehensive production quality coefficient is
，
Expressed as the comprehensive production quality coefficient corresponding to the vertical polypropylene transfusion bag,
、
、
respectively expressed as the matching degree of the raw materials of the production equipment, the operation precision of the process steps and the weighted values corresponding to the production quality coefficients of the formed products,
、
respectively expressed as weight values corresponding to visual appearance quality and airtight quality, and
、
and
corresponding relationship is
，
And
corresponding relationship is
。
The comprehensive production quality coefficient corresponding to the vertical polypropylene infusion bag evaluated in the embodiment of the invention realizes quantitative display of the full-period production quality of the vertical polypropylene infusion bag, and provides a reliable and comprehensive judgment basis for relevant personnel to judge whether the production quality of the vertical polypropylene infusion bag is qualified.
According to the invention, the number of production process steps corresponding to the vertical polypropylene infusion bag is counted and marked, so that the vertical polypropylene infusion bag is subjected to matching monitoring of production equipment raw materials before production and accurate monitoring of process operation in the production process, the quality of a formed product is monitored after the vertical polypropylene infusion bag is produced, and finally the monitoring result is synthesized to evaluate the comprehensive production quality coefficient corresponding to the vertical polypropylene infusion bag, the quality detection process integrates detection of the whole process before production, in the production process and after production is completed of the infusion bag, the detection direction of the production quality corresponding to the vertical polypropylene infusion bag is widened to a certain extent, so that the whole-period tracking monitoring of the production quality corresponding to the vertical polypropylene infusion bag is realized, and the problem that the detection direction of the production quality detection of the vertical polypropylene infusion bag by the existing vertical polypropylene infusion bag production enterprises is too single is solved greatly, furthermore, the widening of the production quality detection direction also improves the precision and reliability of the detection result to a corresponding degree.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (7)
1. The utility model provides a polypropylene infusion bag quality monitoring analytic system based on production complete cycle is trailed which characterized in that: the vertical polypropylene infusion bag production process comprises a vertical polypropylene infusion bag process step marking module, a production period modeling monitoring module, a production database and a monitoring result analysis terminal;
the vertical polypropylene infusion bag process step marking module is used for acquiring the number of process steps corresponding to the production of a vertical polypropylene infusion bag, marking the acquired process steps according to the sequence of production time, and marking the process steps as 1,2,. once, i,. once, n in sequence;
the production period modeling monitoring module is used for tracking and monitoring the production quality of the upright polypropylene infusion bag according to the production period, and comprises a production equipment raw material matching monitoring module, a process step accurate process operation monitoring module and a production molding quality monitoring module;
the production equipment raw material matching monitoring module is used for matching and monitoring production equipment raw materials for realizing production before the production of the vertical polypropylene infusion bag, and counting the raw material use matching degree of the production equipment according to the matching monitoring;
the process step accurate monitoring module is used for accurately monitoring the process operation parameters of the upright polypropylene infusion bag in the production process and counting the operation accuracy of the process steps;
the production molding quality monitoring module is used for monitoring the quality of the vertical polypropylene infusion bag molded product after production is finished, wherein the production molding quality monitoring module comprises a molded product visual appearance quality monitoring unit and a molded product airtight quality monitoring unit;
the monitoring result analysis terminal is used for evaluating the comprehensive production quality coefficient corresponding to the vertical polypropylene infusion bag according to the monitoring result tracked by the production period of the vertical polypropylene infusion bag;
the specific process of the raw material matching monitoring of the production equipment comprises the following steps:
obtaining a product name corresponding to a vertical polypropylene infusion bag to be monitored, and calling a standard amount of polypropylene raw materials required by single production and a standard model corresponding to each required production device from a production database according to the product name;
the method comprises the following steps of obtaining the actual consumption of polypropylene raw materials and the models corresponding to various actually used production equipment before the production of the vertical polypropylene infusion bag;
comparing the actual consumption of the polypropylene raw material with the standard consumption of the polypropylene raw material to obtain the matching degree of the consumption of the production raw material, and recording the matching degree as
；
Matching the model corresponding to each actually used production equipment with the standard model corresponding to each production equipment needing to be used, counting the number of the successfully matched production equipment, calculating the use matching degree of the production equipment, and recording the use matching degree as
；
Will be provided with
And
substituting into the formula for calculating the matching degree of raw material usage of the production equipment
Calculating to obtain the raw material use matching degree of the production equipment;
the specific process of accurately monitoring the process operation parameters comprises the following steps:
the first step, collecting a material placing production equipment time point, a production equipment starting operation time point and a production equipment stopping operation time point in the production process of the vertical polypropylene infusion bag corresponding to each process step;
the second step is that the starting operation time point of the production equipment corresponding to each process step is subtracted from the time point of the material placing production equipment to obtain the material placing interval duration corresponding to each process step, and the material placing interval duration is recorded as
And comparing the time length of the standard material placing interval corresponding to each process step of the production of the vertical polypropylene infusion bag in the production database, calculating the material placing interval precision of the process steps, and recording the precision as
，
，
The time interval for placing the standard material corresponding to the ith process step is expressed;
the third step: from the 2 nd process step, subtracting the stop operation time point of the production equipment corresponding to the current process step from the time point of the material placement production equipment corresponding to the previous process step to obtain the operation clearance corresponding to each adjacent process stepLength is recorded as the set of the length of the operating gap of the adjacent process step
，
The operation gap duration of the adjacent process step corresponding to the ith process step and the (i-1) th process step is expressed;
the fourth step: comparing the set of the operation gap durations of the adjacent process steps with the standard operation gap durations corresponding to the adjacent process steps in the production database for producing the vertical polypropylene infusion bag, calculating the operation gap accuracy of the process steps, and recording the operation gap accuracy as
，
，
Expressed as the standard operating gap duration of the adjacent process step corresponding to the ith process step and the (i-1) th process step;
the fifth step: subtracting the production equipment stop operation time point corresponding to each process step from the production equipment start operation time point corresponding to the process step to obtain the process operation duration corresponding to each process step, and recording the process operation duration as the process operation duration
；
And a sixth step: will be provided with
Comparing the standard process operation time length corresponding to each process step corresponding to the production of the vertical polypropylene infusion bag in the production database, calculating the operation time length accuracy of the process steps, and recording the accuracy as
，
，
Expressed as the standard process operation time corresponding to the ith process step;
the seventh step: according to
、
And
counting the operation accuracy of the process steps
，
Expressed as the process step operating accuracy;
the visible appearance quality monitoring unit of the formed product is used for carrying out visible appearance quality detection on the formed product of the vertical polypropylene infusion bag after production is completed, and the specific detection process is as follows:
(1) collecting appearance images of the formed polypropylene infusion bag, and extracting appearance basic attribute parameters from the collected appearance images;
(2) extracting the shape from the appearance basic attribute parameters, matching the shape with the standard shape corresponding to the polypropylene infusion bag as the molded product in the production database, and recording the mass value of the shape corresponding to the polypropylene infusion bag as the value of the mass of the shape if the matching is successful
If the matching fails, the quality value of the external shape corresponding to the polypropylene infusion bag of the molding product is recorded as
；
(3) Extracting transparency from the basic attribute parameters of the appearance, comparing the transparency with the standard transparency corresponding to the polypropylene infusion bag as the molded product in the production database, calculating the transparency quality value corresponding to the polypropylene infusion bag as the value
；
(4) Constructing a molded product polypropylene infusion bag actual size model for the acquired appearance image, performing coincidence comparison on the model and a molded product polypropylene infusion bag standard size model, counting the volume of a coincidence area, calculating the corresponding production size quality value of the molded product polypropylene infusion bag, and recording the value as the production size quality value
；
(5) Judging whether appearance defects exist in the acquired appearance images, counting the number of appearance defect areas existing on the appearance surface of the formed polypropylene infusion bag if the appearance defects exist, carrying out appearance defect area focusing on the appearance images to identify appearance defect indexes corresponding to the appearance defect areas, calculating appearance defect degree values corresponding to the formed polypropylene infusion bag according to the appearance defect indexes corresponding to the appearance defect areas, and recording the appearance defect degree values as appearance defect degree values
；
(6) Combining the appearance shape quality value, the transparency quality value, the production dimension quality value and the appearance defect degree value corresponding to the polypropylene infusion bag of the molding product to count the visual appearance quality coefficient corresponding to the polypropylene infusion bag of the molding product,
，
expressed as the visible appearance quality coefficient corresponding to the polypropylene transfusion bag of the molding product,
expressed as the external shape quality value corresponding to the polypropylene infusion bag of the molded product, and
can take on values of
Or
。
2. The polypropylene infusion bag quality monitoring and analyzing system based on production full-cycle tracking according to claim 1, characterized in that: the process operation parameters comprise the material placing interval duration corresponding to each process step, the process operation duration and the operation gap duration corresponding to the adjacent process step.
3. The polypropylene infusion bag quality monitoring and analyzing system based on production full-cycle tracking according to claim 1, characterized in that: the appearance basic property parameters comprise shape and transparency.
4. The polypropylene infusion bag quality monitoring and analyzing system based on production full-cycle tracking according to claim 1, characterized in that: the appearance defect index comprises an appearance defect category and an appearance defect area.
5. The polymer based on the production complete cycle tracking according to claim 1Propylene infusion bag quality monitoring analytic system, its characterized in that: the formed product airtight quality monitoring unit is used for carrying out airtight quality detection on the vertical polypropylene infusion bag formed product after production is finished to obtain the airtight quality coefficient corresponding to the formed product polypropylene infusion bag, and the airtight quality coefficient is recorded as
。
6. The polypropylene infusion bag quality monitoring and analyzing system based on production full-cycle tracking according to claim 1, characterized in that: the evaluation calculation formula of the corresponding comprehensive production quality coefficient of the vertical polypropylene infusion bag is
，
Expressed as the comprehensive production quality coefficient corresponding to the vertical polypropylene transfusion bag,
、
、
respectively expressed as the matching degree of the raw materials of the production equipment, the operation precision of the process steps and the weighted values corresponding to the production quality coefficients of the formed products,
、
respectively expressed as the weight values corresponding to the visual appearance quality and the air tightness quality.
7. The polypropylene infusion bag quality monitoring and analyzing system based on production full-cycle tracking according to claim 6, characterized in that: the above-mentioned
、
And
corresponding relationship is
，
And
corresponding relationship is
。
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