CN111323565B - Recycled carton quality detection method - Google Patents
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- CN111323565B CN111323565B CN202010149443.2A CN202010149443A CN111323565B CN 111323565 B CN111323565 B CN 111323565B CN 202010149443 A CN202010149443 A CN 202010149443A CN 111323565 B CN111323565 B CN 111323565B
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Abstract
The invention discloses a quality detection method for a recycled carton, which comprises the steps of determining the defect type of the carton; judging whether the reduction ratio of the empty box compression resistance of the carton is greater than or equal to a first threshold value or not; if so, determining the carton defects as first quality defects; if not, judging whether the reduction ratio of the empty box compression resistance of the carton is larger than or equal to a second threshold value and smaller than the first threshold value; if so, determining the carton defects as second quality defects; if not, judging whether the reduction ratio of the empty box compression resistance of the carton is smaller than the second threshold value or not; if so, determining the carton defect as a third type of quality defect. The quality detection method for the recycled carton provided by the invention realizes the judgment of the carton quality based on a mode of combining quantification and qualification, and avoids the waste caused by misjudgment of the qualified carton into the unqualified carton and the quality risk of the contents in the carton caused by misjudgment of the unqualified carton into the qualified carton.
Description
Technical Field
The invention relates to the technical field of detection, in particular to a method for detecting the quality of a recycled carton.
Background
With the continuous importance of the society on green development and recycling economy, people pay more attention to the recycling of waste articles, and the recycling work of the cartons is carried forward on the background, so that the aims of reducing the cost, reducing the waste and saving the resources are fulfilled.
However, the existing standards, documents and other visual inspection standards for recycled cartons are completely qualitative judgments, and no quantitative indexes such as compression resistance, breakage, cracks, stains, peculiar smell and the like exist. If the production workshop is automatic vanning packing, because retrieve the carton quality and not meet the requirements and can cause equipment frequent shut down. Furthermore, the existing patents for recycling cartons or appliances mainly focus on the innovative aspect of the structure, and the quality detection method for the qualification of the recycled cartons or appliances is deficient. All the problems can cause that unqualified cartons are easily mixed into qualified products in the recycling and selecting link, and quality risks are generated; and the qualified carton is judged to be an unqualified product, which causes waste of resources.
Disclosure of Invention
The invention aims to provide a quality detection method for recycled cartons, which is used for solving the problems in the prior art, realizing the judgment of carton quality based on a quantitative and qualitative combined mode, and avoiding the waste caused by misjudgment of qualified cartons as unqualified cartons and the quality risk of contents in cartons caused by misjudgment of unqualified cartons as qualified cartons.
The invention provides a quality detection method for a recycled carton, which comprises the following steps:
determining the defect type of the carton;
judging whether the reduction ratio of the empty box compression resistance of the carton is larger than or equal to a first threshold value or not, or whether the carton is jammed after being installed on a machine or not;
if so, determining that the carton defects are first-class quality defects, and judging that the carton cannot be recycled;
if not, judging whether the reduction ratio of the empty box compression resistance of the carton is larger than or equal to a second threshold value and smaller than the first threshold value;
if so, determining the carton defects as second quality defects;
if not, judging whether the reduction ratio of the empty box compression resistance of the carton is smaller than the second threshold value or not;
if so, determining the carton defects as third quality defects;
if the number of the defect types of the second type of quality defects on the carton is larger than a first preset value, judging that the carton cannot be recycled;
and if the number of the defect types determined as the third type of quality defects on the carton is larger than a second preset value, judging that the carton cannot be recycled.
The method for inspecting the quality of the recycled cartons, wherein the defect types of the cartons preferably comprise breakage, degumming and folding.
The method for detecting the quality of the recycled cartons as described above, wherein preferably, if it is determined that the defect type of the carton is a breakage, the determining whether the reduction ratio of the empty carton compression resistance of the carton is greater than or equal to the first threshold specifically comprises:
judging whether the total damaged area of a single side plate or a single end plate of the carton is larger than a first damaged area value or not;
if not, judging whether the total damaged area of all side plates and all end plates of the carton is larger than a second damaged area value, wherein the second damaged area value is larger than the first damaged area value;
if not, judging whether the total damaged area of the single rocking cover of the carton is larger than a third damaged area value, wherein the third damaged area value is smaller than the first damaged area value;
if not, judging whether the total length of all the longitudinal crease line damages is larger than the length of the first proportion value of the height of the carton;
if not, judging whether the total length of all the transverse crease line damages is larger than the length of the second proportion value of the height of the carton;
if not, judging whether the damage length of the longitudinal crease line is greater than a first length value and the number is greater than a first damage number value;
if not, judging whether the damaged area of the box corner is larger than a fourth damaged area value or not, and the damaged number of the box corner is larger than or equal to a second damaged number value;
if not, judging whether the damaged area of the box corner is larger than or equal to a fifth damaged area value and smaller than or equal to a fourth damaged area value, and the damaged number of the box corner is larger than a third damaged number value;
if not, judging whether the damaged area of the box corner is larger than or equal to a sixth damaged area value and smaller than a fifth damaged area value or not, and the damaged number of the box corner is larger than a fourth damaged number value;
if not, judging whether the total abrasion area of the carton is larger than a first abrasion area value or not;
if so, it is determined that the rate of decrease in the empty carton crush resistance of the carton is greater than or equal to the first threshold.
The method for detecting the quality of the recycled carton as described above, wherein preferably, if it is determined that the defect type of the carton is a breakage, the determining whether the reduction ratio of the empty compression resistance of the carton is greater than or equal to a second threshold and smaller than the first threshold specifically includes:
judging whether the total damaged area of a single side plate or a single end plate of the carton is smaller than or equal to the first damaged area value or not;
if not, judging whether the total damaged area of the single rocking cover of the carton is smaller than or equal to the third damaged area value;
if not, judging whether the total length of all the longitudinal crease line damages is larger than or equal to the first damage length value and smaller than or equal to the length of the third proportion value of the height of the carton;
if not, judging whether the total length of all the transverse crease line breakage is larger than or equal to the second breakage length value and smaller than or equal to the length occupying the fourth proportion value of the carton height;
if not, judging whether the damaged area of the box corner is larger than or equal to the fifth damaged area value and smaller than or equal to the fourth damaged area value, and the damaged number of the box corner is smaller than or equal to the third damaged number value;
if so, it is determined that the rate of decrease in the empty bin crush resistance of the carton is greater than or equal to the second threshold and less than the first threshold.
The method for detecting the quality of the recycled carton, wherein preferably, if it is determined that the defect type of the carton is a damage, the determining whether the reduction ratio of the empty compression resistance of the carton is smaller than the second threshold value specifically comprises:
judging whether the abrasion area of a single position on the carton is larger than a second abrasion area value or not, and judging whether the total abrasion area value on the carton is smaller than or equal to the first abrasion area value or not;
if not, judging whether the damaged area of the box corner is larger than or equal to the sixth damaged area value and smaller than the fifth damaged area value or not, and the damaged number of the box corner is smaller than or equal to the fourth damaged number value;
if so, determining that the rate of decrease in the empty carton crush resistance of the carton is less than the second threshold.
The method for detecting the quality of the recycled carton, wherein preferably, if the defect type of the carton is determined to be a wrinkle, the determining whether the reduction ratio of the empty-carton pressure resistance of the carton is greater than or equal to a first threshold specifically comprises:
judging whether the transverse through wrinkles on the carton are larger than or equal to preset turns;
if not, judging whether the number of the longitudinally penetrating folds on the carton is larger than the first fold number value or not;
if not, judging whether the area of the box corner folds is larger than the first fold area value or not, and the number of the box corner folds is larger than or equal to the second fold number value;
if not, judging whether the area of the box corner folds is larger than or equal to a second fold area value and smaller than the first fold area value, and the quantity of the box corner folds is larger than a third fold quantity value;
if not, judging whether the area value of the box corner folds is larger than or equal to a third fold area value and smaller than the second fold area value or not, and the number of the box corner folds is larger than a fourth fold number value;
if not, judging whether the length of the wrinkles on the single panel is larger than or equal to the length of the fifth proportion value of the height of the carton, and the number of the wrinkles is larger than the value of the fifth number of the wrinkles;
if not, judging whether the number of the wrinkles on the single panel is larger than the sixth wrinkle number value or not;
if not, judging whether the total length of all crease line folds is larger than the height of the carton;
if not, judging whether the total length of all transverse crease line folds is larger than the width of the carton;
if not, judging whether the fold length of the single longitudinal crease line is greater than the length of the sixth proportion value of the height of the carton;
if not, judging whether the fold length of the single transverse crease line is larger than the width of the seventh proportional value of the carton width;
if not, judging whether the wrinkle area of one panel is larger than the area of the eighth proportional value occupying the total area of the one panel;
if not, judging whether the rake angle area of the rake angle of the rocking cover is larger than or equal to a set area value;
if not, judging whether the length of the single rocking cover invagination is larger than the length of a ninth proportional value occupying the total length of the single rocking cover or not;
if so, it is determined that the rate of decrease in the empty carton crush resistance of the carton is greater than or equal to the first threshold.
The method for detecting the quality of the recycled cartons, wherein preferably, if the defect type of the carton is determined to be degumming, the step of judging whether the reduction ratio of the empty carton compression resistance of the carton is greater than or equal to a first threshold value specifically comprises the following steps:
judging whether the total glue opening length of the joint tongue of the carton is greater than a set glue opening length value or not;
if not, judging whether the total glue opening area of the carton is larger than a set glue opening area value or not;
if so, it is determined that the rate of decrease in the empty carton crush resistance of the carton is greater than or equal to the first threshold.
The method for inspecting the quality of recycled cartons as described above, wherein preferably, if the defect type of the carton is determined to be the sagging of the flap, the method further comprises:
judging whether the drooping angle of the carton rocking cover is larger than a set angle value or not;
if so, the carton defect is determined to be a first type of quality defect.
The recycled carton quality inspection method as described above, wherein preferably, if it is determined that the defect type of the carton is stain, the method further comprises:
judging whether the total area of the stains on the carton is larger than a first stain area value or not;
if not, judging whether the mark on the carton is shielded by the stain or not;
if so, the carton defect is determined to be a first type of quality defect.
The recycled carton quality inspection method as described above, wherein preferably, if it is determined that the defect type of the carton is an odor, the method further comprises:
judging whether the carton has odor or mildew which can cause adverse effects on cigarettes;
if so, the carton defect is determined to be a first type of quality defect.
The quality detection method for the recycled carton provided by the invention realizes the judgment of the carton quality based on a mode of combining quantification and qualification, and avoids the waste caused by misjudgment of the qualified carton into the unqualified carton and the quality risk of the contents in the carton caused by misjudgment of the unqualified carton into the qualified carton.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Fig. 1 is a flowchart of a method for detecting the quality of a recycled carton according to an embodiment of the present invention;
FIG. 2 is a line graph of a commercial company feeding back the number of damaged cartons during each month;
FIG. 3 is a line graph showing the percentage of defective recycled cartons found in the cigarette factory feedback in each month;
fig. 4 is a line diagram showing the selection yield of the recycled cartons for each month.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.
As shown in fig. 1, an embodiment of the present invention provides a recycled carton quality detection method, which includes the following steps:
The defect types of the carton can include breakage, degumming and wrinkling, and the same carton can have the defects of the types.
Step 2, judging whether the reduction ratio of the empty box compression resistance of the carton is larger than or equal to a first threshold value or not, or whether the carton is jammed after being installed on a machine or not; if yes, entering step 3; if not, go to step 4.
In this embodiment, the first threshold is 40%. The machine is characterized in that paper is put into the equipment for application, and the card machine is used for stopping the equipment due to unqualified quality of the paper box.
And 3, determining that the carton defects are first-class quality defects, and judging that the carton cannot be recycled.
Step 4, judging whether the reduction ratio of the empty box compression resistance of the carton is larger than or equal to a second threshold value and smaller than the first threshold value; if yes, entering step 5; if not, go to step 6.
In this embodiment, the second threshold is 10%.
And 5, determining the carton defects as second quality defects.
Step 6, judging whether the reduction ratio of the empty box compression resistance of the carton is smaller than the second threshold value or not; if so, go to step 7.
And 7, determining the carton defects as third quality defects.
And 8, if the number of the defect types of the second type of quality defects on the carton is determined to be larger than a first preset value, judging that the carton cannot be recycled.
Wherein, the number of the first preset values can be 2.
And 9, if the number of the defect types determined as the third quality defects on the carton is larger than a second preset value, judging that the carton cannot be recycled.
Wherein, the second preset value can be 2.
It should be noted that the first type quality defect, the second type quality defect and the third type quality defect can be determined according to different defect degrees, and in actual implementation, if the carton defect is the first type quality defect, the carton is an unqualified carton and cannot be recycled; if the defects of the carton are the second quality defects and the defect types of the second quality defects exceed a certain number, namely 2 in the embodiment, the carton is an unqualified carton and cannot be recycled, and on the contrary, if the defect types of the second quality defects do not exceed the certain number, the carton is a qualified carton which can be recycled; similarly, if the carton defect is the third quality defect, and the defect type of the third quality defect exceeds a certain number, which is 2 in this embodiment, the carton is an unqualified carton and cannot be recycled, whereas if the defect type of the third quality defect does not exceed a certain number, the carton is a qualified carton which can be recycled.
Specifically, if it is determined that the defect type of the carton is a breakage, the determining whether the reduction ratio of the empty box compression resistance of the carton is greater than or equal to the first threshold specifically includes:
step A01, judging whether the total damaged area of a single side plate or a single end plate of the carton is larger than a first damaged area value or not; if not, step A02 is entered.
Wherein the first damaged area value is 100cm2。
Step A02, judging whether the total damaged area of all side plates and all end plates of the carton is larger than a second damaged area value, wherein the second damaged area value is larger than the first damaged area value; if not, step A03 is entered.
Wherein the second damaged area value is 200cm2。
A03, judging whether the total damaged area of a single flap of the carton is larger than a third damaged area value, wherein the third damaged area value is smaller than the first damaged area value; if not, step A04 is entered.
Wherein the third damaged area value is 50cm2。
Step A04, judging whether the total length of all the longitudinal crease line damages is larger than the length of the first proportion value of the height of the carton; if not, step A05 is entered.
Wherein the first ratio value is 1/2, and the length of the first ratio value of the carton height is 1/2 of the carton height.
Step A05, judging whether the total length of all the transverse crease line damages is larger than the length of the second proportion value of the height of the carton; if not, step A06 is entered.
Wherein the second ratio is 1/2, and the length of the second ratio of the carton height is 1/2 of the carton height.
Step A06, judging whether the damage length of the longitudinal crease line is larger than a first length value and the number is larger than a first damage number value; if not, go to step A07.
Wherein the first length value is 5cm, and the first breakage number is 2.
Step A07, judging whether the box corner damage area is larger than a fourth damage area value or not, and the box corner damage number is larger than or equal to a second damage number value; if not, step A08 is entered.
Wherein the fourth damaged area value is 30cm2The number of second breakages is 1.
Step A08, judging whether the box corner damage area is larger than or equal to a fifth damage area value and smaller than or equal to a fourth damage area value, and the box corner damage number is larger than a third damage number value; if not, step A09 is entered.
Wherein the fifth damaged area is 15cm2And the third damage number value is 1.
Step A09, judging whether the box corner damage area is larger than or equal to a sixth damage area value and smaller than the fifth damage area value, and the box corner damage number is larger than a fourth damage number value; if not, step A10 is entered.
Wherein the sixth damaged area value is 5cm2And the fourth damage count value is 3.
A10, judging whether the total wear area of the carton is larger than a first wear area value or not; if so, go to step A11.
Wherein the first abrasion area value is 200cm2。
Step a11, determining that the rate of decrease in the empty carton crush resistance of the carton is greater than or equal to a first threshold.
In addition, if the inner paper of the carton is damaged or lacks materials, and important marks such as price, bar codes, smoke values, color codes and the like on the carton are damaged, worn and the like, the carton defect is still judged to be the first quality defect, and the carton is judged to be unqualified and can not be recycled.
Further, if it is determined that the defect type of the carton is a breakage, the determining whether the reduction ratio of the empty box compression resistance of the carton is greater than or equal to a second threshold and smaller than the first threshold specifically includes:
step 401, judging whether the total damaged area of a single side plate or a single end plate of the carton is smaller than or equal to the first damaged area value; if not, step 402 is entered.
Step 402, judging whether the total damaged area of a single rocking cover of the carton is smaller than or equal to the third damaged area value; if not, go to step 403.
Step 403, determining whether the total length of all the longitudinal crease line damages is greater than or equal to the first damage length value and less than or equal to the length of the third proportion value of the carton height; if not, step 404 is entered.
Wherein the first breakage length is 3 cm. The third ratio is 1/2, and the third ratio has a length of 1/2 of the carton height.
Step 404, judging whether the total length of all the transverse crease line damages is larger than or equal to the second damage length value and smaller than or equal to the length of the fourth proportion value of the height of the carton; if not, step 405 is entered.
Wherein the first breakage length is 3 cm. The fourth ratio is 1/2, and the fourth ratio has a length of 1/2 the height of the carton.
Step 405, determining whether the box corner damage area is greater than or equal to the fifth damage area value and less than or equal to the fourth damage area value, and the box corner damage number is less than or equal to the third damage number value; if so, step 406 is entered.
Wherein the fifth damaged area is 15cm2Fourth damaged area of 130cm2And the third damage quantity value is 1.
Step 406, determining that the reduction ratio of the empty compression resistance of the carton is larger than or equal to a second threshold value and smaller than the first threshold value.
Further, whether the reduction ratio of the empty box compression resistance of the carton is smaller than the second threshold value or not is judged, and the method specifically comprises the following steps:
601, judging whether the abrasion area of a single position on the carton is larger than a second abrasion area value or not, and judging whether the total abrasion area value on the carton is smaller than or equal to the first abrasion area value or not; if not, step 602 is entered.
Wherein the second wear area value is 5cm2The first wear area value is 200cm2. It should be noted that there may be a plurality of wearing areas on the carton, wherein the wearing area of each wearing area is the wearing area of the single wearing area, and the sum of the wearing areas of the single wearing areas is the total wearing area on the carton.
Step 602, determining whether the box corner damage area is greater than or equal to the sixth damage area value and less than the fifth damage area value, and the box corner damage number is less than or equal to the fourth damage number value; if so, go to step 603.
Step 603, determining that the reduction ratio of the empty box pressure resistance of the carton is smaller than the second threshold value.
Further, if it is determined that the defect type of the carton is a wrinkle, the determining whether the reduction ratio of the empty box compression resistance of the carton is greater than or equal to the first threshold specifically includes:
step B01, judging whether the transverse through folds on the carton are more than or equal to a preset number of turns; if not, step B02 is entered.
The preset number of turns may be one turn.
And B02, judging whether the number of the longitudinal through folds on the carton is larger than the first fold number value, if not, entering the step B03.
Wherein, the first fold number value is 1.
Step B03, judging whether the area of the box corner folds is larger than the first fold area value and the quantity of the box corner folds is larger than or equal to the second fold quantity value; if not, step B04 is entered.
Wherein the first fold area value is 30cm2And the second fold number value is 1.
Step B04, judging whether the box corner fold area is larger than or equal to a second fold area value and smaller than the first fold area value, and the box corner fold number is larger than a third fold number value; if not, step B05 is entered.
Wherein the second fold area value is 15cm2And the third fold number is 1 in magnitude.
Step B05, judging whether the area value of the serious or obvious crease of the box corner is more than or equal to the third crease area value and less than the second crease area value, and the quantity of the crease of the box corner is more than the fourth crease quantity value; if not, step B06 is entered.
Wherein the area value of the third fold is 5cm2The fourth fold number value is 3.
Step B06, judging whether the length of the folds on the single panel is larger than or equal to the length of the fifth proportion value of the height of the carton, and the number of the folds is larger than the value of the fifth fold number; if not, step B07 is entered.
Wherein, the fifth fold number value is 2. The fifth proportional value is 1/2, and the fifth proportional value has a length that is 1/2 of the carton height.
Step B07, judging whether the number of folds on a single panel is larger than a sixth fold number value; if not, step B08 is entered.
The sixth corrugation number value is 3, and the corrugation is a non-penetrating corrugation.
Step B08, judging whether the total length of all crease line folds is larger than the height of the carton; if not, step B09 is entered.
Step B09, judging whether the total length of all transverse crease line folds is larger than the width of the carton; if not, step B10 is entered.
Step B10, judging whether the fold length of the single longitudinal crease line is larger than the length of the sixth proportion value of the height of the carton; if not, step B11 is entered.
Wherein the sixth proportional value is 1/2, and the sixth proportional value of the carton height has a length of 1/2 of the carton height.
Step B11, judging whether the fold length of the single transverse crease line is larger than the width of the seventh proportion value of the carton width; if not, step B12 is entered.
Wherein the seventh ratio is 1/2, and the length of the seventh ratio is 1/2 of the carton height.
Step B13, judging whether the fold area of one panel is larger than the area of the eighth proportional value of the total area of the one panel; if not, step B14 is entered.
Wherein the eighth ratio is 1/4.
Step B14, judging whether the rake angle area of the rake angle of the rocking cover is larger than or equal to a set area value; if not, go to B15.
Wherein the set area value is 3cm2。
Step B15, judging whether the length of the single rocking cover invagination is larger than the length of a ninth proportional value occupying the total length of the single rocking cover; if so, proceed to step B16.
Wherein the ninth proportional value is 1/4.
Step B16, determining that the reduction ratio of the empty box compression resistance of the carton is larger than or equal to the first threshold value.
In addition, if the interior of the carton is raised or the whole carton is not flat due to the existence of folds in the carton, the carton defect is still judged to be the first quality defect, and the carton is judged to be unqualified and cannot be recycled.
Further, if it is determined that the defect type of the carton is a wrinkle, the determining whether the reduction ratio of the empty box compression resistance of the carton is greater than or equal to a second threshold and smaller than the first threshold specifically includes:
step B17, judging whether the longitudinal penetration is serious or obvious and whether the number of folds is 1; if not, step B18 is entered.
Step B18, judging whether the non-through serious wrinkles of a single panel are 1-3 or not; if not, step B19 is entered.
Step B19, judging whether the non-through obvious folds of the single panel are more than or equal to 3; if not, step B20 is entered.
Step B20, judging whether the length of the serious crease of the longitudinal crease line is more than or equal to 5cm and less than 1/2 of the height of the carton; if false, go to step B21.
Step B21, judging whether the length of the serious crease of the transverse crease line is more than or equal to 5cm and less than 1/2 of the width of the carton; if false, go to step B22.
Step B22, judging whether the area of the serious crease of the box corner is more than or equal to 15cm2And less than or equal to 30cm2(ii) a If not, step B23 is entered.
Step B23, judging whether the length of the single rocking cover invagination is larger than 1/4 of the total length of the single rocking cover; if so, proceed to step B24.
Step B24, determining whether the rate of decrease in the empty bin crush resistance of the carton is greater than or equal to a second threshold and less than the first threshold.
Further, if it is determined that the defect type of the carton is a wrinkle, the determining whether the reduction ratio of the empty box compression resistance of the carton is smaller than the second threshold specifically includes:
step B25, judging whether the number of slight wrinkles of a single panel is more than 3; if so, proceed to step B26.
Step B26, judging the area of the serious or obvious crease of the box corner is more than or equal to 5cm2And less than or equal to 15cm2(ii) a If so, proceed to step B27.
And step B27, determining whether the reduction ratio of the empty box pressure resistance capability of the carton is less than the second threshold value.
Further, if it is determined that the defect type of the carton is degumming, determining whether the reduction ratio of the empty compression resistance of the carton is greater than or equal to a first threshold specifically includes:
c01, judging whether the total glue opening length of the joint tongue of the carton is greater than a set glue opening length value; if not, go to step C02.
Wherein the set glue-opening length value is 10 cm.
C02, judging whether the total glue opening area of the carton is larger than a set glue opening area value or not; if so, go to step C03.
Wherein the set glue opening area value is 50cm2。
And step C03, determining that the reduction ratio of the empty box pressure resistance capacity of the carton is larger than or equal to the first threshold value.
Further, if it is determined that the defect type of the carton is degumming, the step of judging whether the reduction ratio of the empty box compression resistance of the carton is greater than or equal to a second threshold and smaller than the first threshold specifically comprises the following steps:
c04, judging whether the glue opening length of the joint tongue is less than or equal to 10 cm; if so, go to step C05.
Step C05, judging whether the glue opening area of the carton is less than or equal to 50cm2(ii) a If so, go to step C06.
Step C06, determining whether the rate of decrease in the empty crush resistance of the carton is greater than or equal to a second threshold and less than the first threshold.
Further, if the defect type of the carton is determined to be the droop of the rocking cover, the method further comprises the following steps:
d01, judging whether the drooping angle of the carton rocking cover is larger than a set angle value; if so, go to step D02.
Wherein the set angle value is 45 °.
And D02, determining the carton defects as first quality defects.
In specific operation, can keep flat the carton or support the carton and observe the carton and shake the lid after the shaping, require not have obvious softening flagging phenomenon, can recycle.
Further, if the defect type of the carton is determined to be dirty, the method further comprises:
e01, judging whether the total area of the stains on the carton is larger than the first stain area value or not; if not, go to step E02.
Wherein the first stain area value is 200cm2。
E02, judging whether the mark on the carton is blocked by dirt or not; if so, go to step E03.
Wherein, the mark can be important marks such as price, bar code, smoke value, etc.
And E03, determining the carton defects as first quality defects.
Further, if the defect type of the carton is determined to be dirty, the method further comprises:
e04, judging whether the area value of the single stain on the carton is larger than the second stain area value or not, and whether the total area of the stains on the carton is smaller than or equal to the second stain area value or not; if so, go to step E05.
Wherein the second stain area value is 5cm2。
And E05, determining the carton defects as third quality defects.
Further, if it is determined that the defect type of the carton is an odor, the method further comprises:
step F01, judging whether the carton has odor or mildew which can cause adverse effects on the cigarettes; if so, proceed to step F02.
Step F02, determining the carton defect as a first type of quality defect.
Therefore, the method provided by the embodiment provides six quality defects, namely breakage, wrinkle, degumming, cap sagging, stain and peculiar smell, can qualitatively and quantitatively determine the six quality defects respectively to belong to the first quality defect, the second quality defect and the third quality defect respectively, and determines whether the carton is a recyclable qualified carton according to the first quality defect, the second quality defect and the third quality defect, so that the problem of misjudgment caused by judging the carton quality by pictures or personal subjective feelings is avoided.
In addition, the method can remarkably increase the number of recyclable cartons and remarkably reduce the number of non-recyclable cartons in practical popularization and implementation.
Fig. 2 is a line graph of a commercial company feeding back the number of damaged cartons in each month.
As can be seen from fig. 2, the number of damaged cartons started in month 5 and tended to decrease, with 0 in month 11, 12 and 1 in the second year. That is, the recyclable use ratio of the cartons is increased, and the number of damaged cartons that are not recyclable is reduced.
Fig. 3 is a line graph showing the percentage of defective recycled cartons found by the cigarette factory in the month feedback.
As shown in FIG. 3, the defective recycled carton percentage is in a decreasing trend overall.
Fig. 4 is a line diagram of the selection yield of the recycling cartons for each month.
As shown in fig. 4, the recycling carton pick pass rate presented an increasing trend starting from month 7.
Therefore, the quality detection method for the recycled paper box provided by the embodiment can effectively improve the quality safety of cigarette finished products in the production and circulation process, improve the utilization rate of the recycled paper box, and simultaneously realize green development and circular economy to the maximum extent.
The construction, features and functions of the present invention are described in detail in the embodiments illustrated in the drawings, which are only preferred embodiments of the present invention, but the present invention is not limited by the drawings, and all equivalent embodiments modified or changed according to the idea of the present invention should fall within the protection scope of the present invention without departing from the spirit of the present invention covered by the description and the drawings.
Claims (8)
1. A recycled carton quality detection method is characterized by comprising the following steps:
determining the defect type of the carton;
judging whether the reduction ratio of the empty box compression resistance of the carton is larger than or equal to a first threshold value or not, or whether the carton is jammed after being installed on a machine or not;
if so, determining that the carton defects are first-class quality defects, and judging that the carton cannot be recycled;
if not, judging whether the reduction ratio of the empty box compression resistance of the carton is larger than or equal to a second threshold value and smaller than the first threshold value;
if so, determining the carton defects as second quality defects;
if not, judging whether the reduction ratio of the empty box compression resistance of the carton is smaller than the second threshold value or not;
if so, determining the carton defects as third quality defects;
if the number of the defect types of the second type of quality defects on the carton is larger than a first preset value, judging that the carton cannot be recycled; on the contrary, if the defect types of the second type of quality defects do not exceed a certain number, the carton is a qualified carton which can be recycled;
if the number of the defect types determined to be the third type of quality defects on the carton is larger than a second preset value, judging that the carton cannot be recycled;
if the defect type of the carton is determined to be broken, judging whether the reduction ratio of the empty box compression resistance of the carton is larger than or equal to a first threshold value specifically comprises the following steps:
judging whether the total damaged area of a single side plate or a single end plate of the carton is larger than a first damaged area value or not;
if not, judging whether the total damaged area of all side plates and all end plates of the carton is larger than a second damaged area value, wherein the second damaged area value is larger than the first damaged area value;
if not, judging whether the total damaged area of the single rocking cover of the carton is larger than a third damaged area value, wherein the third damaged area value is smaller than the first damaged area value;
if not, judging whether the total length of all the broken longitudinal crease lines is greater than the length of the first proportion value occupying the height of the carton;
if not, judging whether the total length of all the transverse crease line damages is larger than the length of the second proportion value of the height of the carton;
if not, judging whether the damage length of the longitudinal crease line is greater than a first length value and the number is greater than a first damage number value;
if not, judging whether the damaged area of the box corner is larger than a fourth damaged area value or not, and the damaged number of the box corner is larger than or equal to a second damaged number value;
if not, judging whether the damaged area of the box corner is larger than or equal to a fifth damaged area value and smaller than or equal to a fourth damaged area value, and the damaged number of the box corner is larger than a third damaged number value;
if not, judging whether the damaged area of the box corner is larger than or equal to a sixth damaged area value and smaller than a fifth damaged area value or not, and the damaged number of the box corner is larger than a fourth damaged number value;
if not, judging whether the total abrasion area of the carton is larger than a first abrasion area value or not;
if yes, determining that the reduction ratio of the empty box compression resistance of the carton is larger than or equal to a first threshold value;
if the defect type of the carton is determined to be broken, judging whether the reduction ratio of the empty box compression resistance of the carton is larger than or equal to a second threshold and smaller than a first threshold specifically comprises the following steps:
judging whether the total damaged area of a single side plate or a single end plate of the carton is smaller than or equal to the first damaged area value or not;
if not, judging whether the total damaged area of the single rocking cover of the carton is smaller than or equal to the third damaged area value;
if not, judging whether the total length of all the longitudinal crease line damages is larger than or equal to the first damage length value and smaller than or equal to the length of the third proportion value of the height of the carton;
if not, judging whether the total length of all the transverse crease line damages is larger than or equal to the second damage length value and smaller than or equal to the length of the fourth proportion value of the height of the carton;
if not, judging whether the damaged area of the box corner is larger than or equal to the fifth damaged area value and smaller than or equal to the fourth damaged area value, and the damaged number of the box corner is smaller than or equal to the third damaged number value;
if so, it is determined that the rate of decrease in the empty bin crush resistance of the carton is greater than or equal to the second threshold and less than the first threshold.
2. The recycled carton quality inspection method of claim 1, wherein the types of defects of the carton comprise breakage, debonding, and wrinkling.
3. The recycled carton quality detection method according to claim 1, wherein if the defect type of the carton is determined to be a breakage, the determining whether the reduction ratio of the empty carton compression resistance of the carton is smaller than the second threshold value specifically comprises:
judging whether the abrasion area of a single position on the carton is larger than a second abrasion area value or not, and judging whether the total abrasion area value on the carton is smaller than or equal to the first abrasion area value or not;
if not, judging whether the damaged area of the box corner is larger than or equal to the sixth damaged area value and smaller than the fifth damaged area value or not, and the damaged number of the box corner is smaller than or equal to the fourth damaged number value;
if so, determining that the rate of decrease in the empty carton crush resistance of the carton is less than the second threshold.
4. The recycled carton quality detection method according to claim 2, wherein if the defect type of the carton is determined to be a wrinkle, the judging whether the reduction ratio of the empty-carton pressure resistance of the carton is greater than or equal to the first threshold specifically comprises:
judging whether the transverse through wrinkles on the carton are larger than or equal to preset turns;
if not, judging whether the number of the longitudinally penetrating folds on the carton is larger than the first fold number value or not;
if not, judging whether the area of the box corner folds is larger than the first fold area value or not, and the number of the box corner folds is larger than or equal to the second fold number value;
if not, judging whether the area of the box corner folds is larger than or equal to a second fold area value and smaller than the first fold area value or not, and the number of the box corner folds is larger than a third fold number value;
if not, judging whether the area value of the box corner folds is larger than or equal to a third fold area value and smaller than the second fold area value or not, and the number of the box corner folds is larger than a fourth fold number value;
if not, judging whether the length of the wrinkles on the single panel is larger than or equal to the length of the fifth proportion value of the height of the carton, and the number of the wrinkles is larger than the value of the fifth number of the wrinkles;
if not, judging whether the number of the wrinkles on the single panel is larger than the sixth wrinkle number value or not;
if not, judging whether the total length of all crease line folds is larger than the height of the carton;
if not, judging whether the total length of all transverse crease line folds is larger than the width of the carton;
if not, judging whether the fold length of the single longitudinal crease line is greater than the length of the sixth proportion value of the height of the carton;
if not, judging whether the fold length of the single transverse crease line is larger than the width of the seventh proportional value of the carton width;
if not, judging whether the wrinkle area of one panel is larger than the area of the eighth proportional value occupying the total area of the one panel;
if not, judging whether the rake angle area of the rake angle of the rocking cover is larger than or equal to a set area value or not;
if not, judging whether the length of the single rocking cover invagination is larger than the length of a ninth proportional value occupying the total length of the single rocking cover or not;
if so, it is determined that the rate of decrease in the empty carton crush resistance of the carton is greater than or equal to the first threshold.
5. The recycled carton quality detection method according to claim 2, wherein if the defect type of the carton is determined to be degumming, the step of judging whether the reduction ratio of the empty-carton pressure resistance of the carton is greater than or equal to a first threshold value specifically comprises the following steps:
judging whether the total glue opening length of the joint tongue of the carton is greater than a set glue opening length value or not;
if not, judging whether the total glue opening area of the carton is larger than a set glue opening area value or not;
if so, it is determined that the rate of decrease in the empty carton crush resistance of the carton is greater than or equal to the first threshold.
6. The recycled carton quality inspection method of claim 1, wherein if the defect type of the carton is determined to be flap droop, the method further comprises:
judging whether the drooping angle of the carton rocking cover is larger than a set angle value or not;
if so, the carton defect is determined to be a first type of quality defect.
7. The recycled carton quality inspection method of claim 1, wherein if the defect type of the carton is determined to be a stain, the method further comprises:
judging whether the total area of the stains on the carton is larger than a first stain area value or not;
if not, judging whether the mark on the carton is shielded by the stain or not;
if so, the carton defect is determined to be a first type of quality defect.
8. The recycled carton quality inspection method of claim 1, wherein if the defect type of the carton is determined to be an odor, the method further comprises:
judging whether the carton has odor or mildew which can cause adverse effects on cigarettes;
if so, the carton defect is determined to be a first type of quality defect.
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