CN107831066A - One kind judges the whether satisfactory method of corrugated case PUR joint sealing firmness - Google Patents

One kind judges the whether satisfactory method of corrugated case PUR joint sealing firmness Download PDF

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Publication number
CN107831066A
CN107831066A CN201711029253.1A CN201711029253A CN107831066A CN 107831066 A CN107831066 A CN 107831066A CN 201711029253 A CN201711029253 A CN 201711029253A CN 107831066 A CN107831066 A CN 107831066A
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CN
China
Prior art keywords
corrugated case
firmness
case
designated
unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
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CN201711029253.1A
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Chinese (zh)
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CN107831066B (en
Inventor
苏毅
吴东健
文小次
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Yanjing Beer Guilin Liquan Co ltd
Beijing Yanjing Beer Group Corp
Original Assignee
YANJING BEER (GUILIN LIQUAN) CO Ltd
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Priority to CN201711029253.1A priority Critical patent/CN107831066B/en
Publication of CN107831066A publication Critical patent/CN107831066A/en
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces

Abstract

The invention discloses one kind to judge the whether satisfactory method of corrugated case PUR joint sealing firmness, and this method is：First obtain the bottom firmness index for opening tested corrugated case bottom rolling cover, unit N；Then obtain again and install commodity and with the case face firmness index that rolling cover at the top of tested corrugated case is opened after PUR joint sealing, unit N；Then judge whether corrugated case PUR joint sealing firmness meets the requirements according to formula (1) and formula (2).Applicant counts in long-term experiment and drawn, using the firmness index at the method for the invention mensure case bottom and case top, and when these indexs meet formula (1) and formula (2) respectively, dispatch from the factory sale beer corrugated box packaging product be not within the whole shelf-life de- bottom and/or cartridge box phenomenon, so as to avoid during beer selling because occur corrugated box take off bottom and/or cartridge box phenomenon and caused by influence to beer product quality and manufacturing enterprise's image.

Description

One kind judges the whether satisfactory method of corrugated case PUR joint sealing firmness
Technical field
The present invention relates to one kind to judge the whether satisfactory method of corrugated case PUR joint sealing firmness, belongs to beverage Packing technique field.
Background technology
In beverage packaging field, corrugated case is widely used as the outer packing of product.For transport, storage examine Consider, carton joint sealing fastness is the important step of outsourcing packing quality, the use of PUR joint sealing is the main envelope of corrugated case at present Case mode.
In the prior art, after loading commodity in the corrugated case of forming, its casing top is carried out using PUR Joint sealing, wherein can leave certain gap between rolling cover outside the both sides of top, the gap is not spraying hot-melt adhesive.If PUR Glue joint sealing firmness it is not good enough, the phenomenon of de- bottom and/or cartridge box occurs in transport and handling process, so as to damage production Product and the image of manufacturing enterprise.But have not yet to see and whether satisfactory to corrugated case PUR joint sealing firmness sentenced Determine the open report of method.
The content of the invention
Judge whether corrugated case PUR joint sealing firmness meets the technical problem to be solved in the present invention is to provide one kind It is required that method.
The judgement whether satisfactory method of corrugated case PUR joint sealing firmness of the present invention, including following step Suddenly：
1) the tested corrugated case of the same specification of two formings is chosen, obtains the design load that they can bear weight, It is designated as M, unit kg；It is placed in the mode of carton bottom upward is surveyed by corrugation on workbench, is obtained using pull force calculation equipment One of them is tested the corrugated case bottom pulling force data that rolling cover is opened wherein outside side, is designated as FBottom A, unit N；Another Tested corrugated case obtains the pulling force data for opening rolling cover outside the opposite side of bottom using aforementioned manner, is designated as FBottom B, unit N； With above-mentioned FBottom AAnd FBottom BAverage value as the firmness index for opening tested corrugated case bottom rolling cover, be designated as bottom firmness Index, unit N；
2) choose again two formings and with the corrugated case of tested corrugated case same specification, commodity are loaded it In, the quality of corrugated case is designated as M0, the quality for loading commodity is designated as M1, unit is kg, wherein M1≤M；Divide after installing commodity Yong not PUR joint sealing；Obtain two corrugated case samples identical in quality；
3) the corrugated case sample sealed is placed on workbench, obtained using pull force calculation equipment by one of sample The top pulling force data that rolling cover is opened wherein outside side, is designated as FFace A, unit N；Another sample is obtained using mode same as before The pulling force data for opening rolling cover outside the opposite side of top is taken, is designated as FFace B, unit N；With above-mentioned FFace AAnd FFace BAverage value conduct The firmness index of rolling cover at the top of tested corrugated case is opened, is designated as case face firmness index, unit N；
4) when bottom firmness index and case face firmness index meet following formula formula (1) and formula (2) respectively, then sentence Determine corrugated case PUR joint sealing firmness to meet the requirements；
Bottom firmness index >=(M0+M1) × 9.8/2 × 110% (1)；
Case face firmness index >=(M0+M1) × 9.8/2 × 50% (2).
In the above method, described pull force calculation equipment is preferably dynamometer or tensiometer or pull and push dynamometer etc. The existing equipment that can detect pulling force.Described dynamometer can be that digital display may also mean that pin scale-type.
Existing conventional dynamometer generally includes to include housing and transmission rod, the bullet in one end and housing of the transmission rod Spring connects, and its other end is typically to be connected with hook, and transmission rod can sense pulling force or the pressure that the upper object of hook is subject to, so as to Suffered power can be shown on dial or liquid crystal display on housing.Because the scope that dynamometer uses is very wide, its Different measurands can be usually applied to.When testing soft object (such as test soft package (such as corrugated box) During tensile property), because soft package easily deforms upon, and hook is thinner, when hook is exerting a force to soft package, by It is too small in both contacts area, cause the easy deformation of soft package and easily slide, so as to be unfavorable for the progress of test. Therefore, in order to increase the contact area of hook and soft package, preventing soft package and hook, both slide, while make extension Hook is more uniform to the force of soft package, the end that transmission rod is stretched out outside housing is preferably provided with support arm, the branch Brace can be rectangle, bar shaped or shaft-like.Described support arm can be detachably connected (such as by nut and measurement The mode that head coordinates) stretched out in the end that transmission rod is stretched out outside housing, or affixed (such as welding) in transmission rod outside housing End.
One of them specifically is tested into corrugated case bottom in the dynamometer acquisition using said structure wherein to shake outside side When covering the pulling force data opened (such as rolling cover outside left side), the support arm of dynamometer can be stretched into tested corrugated case bottom wherein Outside side in the gap (gap of i.e. no spraying hot-melt adhesive) of rolling cover, it is straight that dynamometer is at the uniform velocity pulled up with pulling force vertically upward Rolling cover is opened outside to side, records the pulling force data on dynamometer.Another tested corrugated case then uses foregoing same side Formula obtain by rolling cover outside the opposite side of bottom (such as previous tested corrugated case survey be the outer rolling cover of bottom left pulling force data Words, it is exactly now to detect the outer rolling cover of bottom right) pulling force data opened.Measurement installs two corrugated case sample tops of commodity The method of rolling cover is as hereinbefore outside the both sides in portion.
Compared with prior art, judge whether corrugated case PUR joint sealing firmness conforms to the invention provides one kind The method asked.Applicant counts in long-term experiment and drawn, using the firm of the method for the invention mensure case bottom and case top Level index, and when these indexs meet formula (1) and formula (2) respectively, the beer corrugated box packaging for sale of dispatching from the factory Product is not in the phenomenon of de- bottom and/or cartridge box within the whole shelf-life (12 months), so as to avoid beer selling process It is middle because occur corrugated box take off bottom and/or cartridge box phenomenon and caused by influence to beer product quality and manufacturing enterprise's image.
Brief description of the drawings
Fig. 1 is the structural representation of the dynamometer used in the method for the invention.
In figure marked as：
1 draw ring；2 housings；3 springs；4 support arms；5 transmission rods；6 chutes.
Embodiment
With reference to specific embodiment, the present invention is described in further detail, to more fully understand present disclosure, but The present invention is not limited to following examples.
Dynamometer shown in Fig. 1, including housing 2 and transmission rod 5, the top ends of the housing 2 are provided with draw ring 1, housing 2 The scale of the size of mark power is provided with side face, is provided with chute 6 in housing 2, spring 3 is placed in chute 6, and can be in chute Freely to be stretched in 6, the top of housing 2 is fixed in one end of the spring 3, and its other end is fixedly connected with one end of transmission rod 5, The other end of the transmission rod 5 stretches out the bottom of housing 2, and stretching out the end of the bottom of housing 2 at it is fixedly connected with one in rectangular The support arm 4 of shape.
Embodiment 1：Decision method of the present invention is as follows：
1) the tested corrugated case of the same specification of two formings is chosen, obtains the design load that they can bear weight, It is designated as M, unit kg；It is placed in the mode of carton bottom upward is surveyed by corrugation on workbench, uses the dynamometry of structure shown in Fig. 1 It is counted as to determine the pull force calculation equipment that rolling cover is opened outside tested corrugated case bottom, the support arm of dynamometer is stretched into tested watt In the gap (gap of i.e. no spraying hot-melt adhesive) of stupefied carton bottom rolling cover (such as rolling cover outside left side) wherein outside side, with vertical Upward pulling force at the uniform velocity pulls up dynamometer until the outer rolling cover in side is opened, and the pulling force data on record dynamometer, is designated as FBottom A, Unit is N；Another tested corrugated case uses aforementioned manner to obtain rolling cover outside the opposite side of bottom (here for survey corrugated case The outer rolling cover of bottom right) pulling force data opened, it is designated as FBottom B, unit N；With above-mentioned FBottom AAnd FBottom BAverage value as open quilt The firmness index of corrugated case bottom rolling cover is surveyed, is designated as bottom firmness index, unit N；
2) choose again two formings and with the corrugated case of tested corrugated case same specification, commodity are loaded it In, the quality of corrugated case is designated as M0, the quality for loading commodity is designated as M1, unit is kg, wherein M1≤M；Divide after installing commodity Yong not PUR joint sealing；Obtain two corrugated case samples identical in quality；
3) the corrugated case sample sealed is placed on workbench, measure quilt is used as using the dynamometer of structure shown in Fig. 1 The pull force calculation equipment that outer rolling cover is opened at the top of corrugated case is surveyed, detection method is identical with step 1), and obtaining respectively will be tested watt On the left of stupefied carton top outside outer rolling cover and right side rolling cover opening pulling force data, be respectively designated as FFace AAnd FFace B, unit is N；With Above-mentioned FFace AAnd FFace BAverage value as the firmness index for opening rolling cover at the top of tested corrugated case, be designated as case face firmness and refer to Mark, unit N；
4) when bottom firmness index and case face firmness index meet following formula formula (1) and formula (2) respectively, then sentence Determine corrugated case PUR joint sealing firmness to meet the requirements；
Bottom firmness index >=(M0+M1) × 9.8/2 × 110% (1)；
Case face firmness index >=(M0+M1) × 9.8/2 × 50% (2).
Embodiment 2：Jail using the methods described of embodiment 1 to the applicant production base A beer packing corrugated box Soundness judged, the data obtained and result of calculation is as described in Table 1 during detection：
Table 1：
By this norm controlling, (every fills 12 bottles (beer is bottled) the applicant production base A unit year sales volumes 25,000,000 600ml beer) PUR corrugated box joint sealing finished product do not receive the corrugated box of Market Feedback in 12 months shelf life De- bottom, cartridge box are complained, and improve the total quality of beer and the image of enterprise.
Embodiment 3：Jail using the methods described of embodiment 1 to the applicant production base A beer packing corrugated box Soundness judged, the data obtained and result of calculation is as described in Table 2 during detection：
Table 2：
By this norm controlling, (every fills 24 tanks to the applicant production base A unit year sales volumes 30,000,000 (beer is canned) 330ml beer) PUR corrugated box joint sealing finished product do not receive the corrugated box of Market Feedback in 12 months shelf life De- bottom, cartridge box are complained, and improve the total quality of beer and the image of enterprise.

Claims (4)

1. one kind judges the whether satisfactory method of corrugated case PUR joint sealing firmness, it is characterised in that including following step Suddenly：
1) the tested corrugated case of the same specification of two formings is chosen, the design load that they can bear weight is obtained, is designated as M, unit kg；It is placed in the mode of carton bottom upward is surveyed by corrugation on workbench, is obtained using pull force calculation equipment by it In a tested corrugated case bottom wherein outside side rolling cover open pulling force data, be designated as FBottom A, unit N；Another is tested Corrugated case obtains the pulling force data for opening rolling cover outside the opposite side of bottom using aforementioned manner, is designated as FBottom B, unit N；More than State FBottom AAnd FBottom BAverage value as the firmness index for opening tested corrugated case bottom rolling cover, be designated as bottom firmness index, Unit is N；
2) choose again two formings and with the corrugated case of tested corrugated case same specification, commodity are loaded wherein, watt The quality of stupefied carton is designated as M0, the quality for loading commodity is designated as M1, unit is kg, wherein M1≤M；Used respectively after installing commodity PUR joint sealing；Obtain two corrugated case samples identical in quality；
3) the corrugated case sample sealed is placed on workbench, obtained using pull force calculation equipment by the top of one of sample The pulling force data that rolling cover is opened wherein outside side, is designated as FFace A, unit N；Another sample using mode same as before obtain by The pulling force data that opposite side outer rolling cover in top is opened, is designated as FFace B, unit N；With above-mentioned FFace AAnd FFace BAverage value as open The firmness index of rolling cover, is designated as case face firmness index, unit N at the top of tested corrugated case；
4) when bottom firmness index and case face firmness index meet following formula formula (1) and formula (2) respectively, then judgement watt Stupefied carton PUR joint sealing firmness meets the requirements；
Bottom firmness index >=(M0+M1) × 9.8/2 × 110% (1)；
Case face firmness index >=(M0+M1) × 9.8/2 × 50% (2).
2. according to the method for claim 1, it is characterised in that：Described pull force calculation equipment is dynamometer.
3. according to the method for claim 2, it is characterised in that：Described dynamometer includes housing (2) and transmission rod (5), One end of the transmission rod (5) is connected with the spring (3) in housing (2), and its other end stretches out housing (2) outside and set in end It is equipped with support arm (4).
4. according to the method for claim 3, it is characterised in that：Described support arm (4) is removably attachable to or affixed The end of housing (2) outer one end is stretched out in transmission rod (5).
CN201711029253.1A 2017-10-27 2017-10-27 Method for judging whether sealing firmness of hot melt adhesive of corrugated case meets requirements Active CN107831066B (en)

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Publication number Priority date Publication date Assignee Title
CN109878825A (en) * 2019-03-25 2019-06-14 烟台知兴知识产权咨询服务有限公司 One kind being packed for the automatic product examine machine of carton edge sealing

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