CN115520517A - Asymmetric packing area - Google Patents
Asymmetric packing area Download PDFInfo
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- CN115520517A CN115520517A CN202210887916.8A CN202210887916A CN115520517A CN 115520517 A CN115520517 A CN 115520517A CN 202210887916 A CN202210887916 A CN 202210887916A CN 115520517 A CN115520517 A CN 115520517A
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- twill
- packing belt
- shallow
- deep
- asymmetric
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- 238000012856 packing Methods 0.000 title claims abstract description 128
- 238000004806 packaging method and process Methods 0.000 claims abstract description 6
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 238000013461 design Methods 0.000 abstract description 6
- 238000012360 testing method Methods 0.000 description 18
- 229910003460 diamond Inorganic materials 0.000 description 14
- 239000010432 diamond Substances 0.000 description 14
- 239000000463 material Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 10
- 238000004049 embossing Methods 0.000 description 6
- 239000004973 liquid crystal related substance Substances 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000004088 simulation Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D63/00—Flexible elongated elements, e.g. straps, for bundling or supporting articles
- B65D63/10—Non-metallic straps, tapes, or bands; Filamentary elements, e.g. strings, threads or wires; Joints between ends thereof
- B65D63/109—Application of elastics or like elements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention discloses an asymmetric packing belt, which breaks through the tradition, creatively designs a twill combination consisting of a deep twill and a shallow twill which are inclined in different directions, and arranges the twill combination on the front side and the back side of the packing belt, so that the tensile resistance of the packing belt can be improved under the condition of the same gram weight, and the problems in the prior art are solved. The asymmetric packing belt is provided with a front surface and a back surface, and further comprises a twill combination, wherein the twill combination comprises a deep twill inclined towards one side and a shallow twill inclined towards the other side; defining the height of the twill protruding from the surface of the packaging belt as h, wherein the height of the deep twill is h1, the height of the shallow twill is h2, and h1> h2 is satisfied; the front surface and the back surface are both provided with the twill combination; it is adjacent deep twill is parallel to each other and adjacent shallow twill is parallel to each other.
Description
Technical Field
The invention relates to the technical field of packing belts, in particular to an asymmetric packing belt.
Background
A flat strapping band is a common strapping material, typically made of polypropylene or polyester for strapping machines, and is provided with friction lines on the front and back sides by a rolling process in order to increase its friction.
The friction lines of the current flat packing belt are designed many years ago, namely the diamond-shaped lattices, and the heights of the four sides of the diamond-shaped lattices are the same. The flat packing belt with the friction grains containing the rhombic lattices has certain friction force and tensile resistance. In the prior art, if hope to improve the stretch-proofing performance of flat packing area, generally can only choose for use the flat packing area of higher gram weight, do not have will and the power that will change flat packing area structure in the industry at present, but the flat packing area of higher gram weight means that the material that needs to use is more, and this not only can increase the cost of using flat packing area, is unfavorable for green moreover.
The technical defects of the prior art, as described above, become a major technical problem to be solved urgently by those skilled in the art.
Disclosure of Invention
The invention discloses an asymmetric packing belt, which breaks through the tradition, creatively designs a twill combination consisting of a deep twill and a shallow twill which are inclined in different directions, and arranges the twill combination on the front side and the back side of the packing belt, so that the tensile resistance of the packing belt can be improved under the condition of the same gram weight, and the problems in the prior art are solved.
The invention provides an asymmetric packing belt, which is provided with a front surface and a back surface and also comprises a twill combination, wherein the twill combination comprises a deep twill inclined to one side and a shallow twill inclined to the other side;
defining the height of the twill protruding the surface of the packaging belt as h, then the height of the deep twill is h 1 The height of the shallow twill is h 2 And satisfy h 1 >h 2 ；
The front surface and the back surface are both provided with the twill combination;
the adjacent deep twills are parallel to each other and the adjacent shallow twills are parallel to each other.
In a preferred embodiment of the method of the invention,
and the distance between every two adjacent deep twills is the same.
Preferably, the first and second liquid crystal materials are,
h is not less than 0.1mm 1 ≤0.7mm。
In a preferred embodiment of the method of the invention,
and the distance between every two adjacent shallow twills is the same.
In a preferred embodiment of the method of the invention,
h is more than or equal to 0.005mm 2 ≤2/3h 1 mm。
In a preferred embodiment of the method of the invention,
h is not less than 0.015mm 2 ≤1/2h 1 mm。
Preferably, the first and second liquid crystal materials are,
the deep twill and the shallow twill are the same as the inclination angle in the vertical direction.
Preferably, the first and second liquid crystal materials are,
the adjacent deep twills are mutually parallel and have the same distance;
the adjacent shallow twills are mutually parallel and have the same distance;
observe from positive orthographic projection, the contained angle that is located positive deep twill and the deep twill that is located the reverse side formed is the same with the contained angle that is located positive shallow twill and the shallow twill that is located the reverse side formed.
Preferably, the first and second liquid crystal materials are,
the adjacent deep twills are mutually parallel and have the same distance;
the adjacent shallow twills are mutually parallel and have the same distance;
on the same side, the deep twill and the shallow twill form a rhombic lattice.
The invention provides an asymmetric packing belt, which is provided with a front surface and a back surface and also comprises a twill combination, wherein the twill combination comprises a deep twill inclined to one side and a shallow twill inclined to the other side; defining the height of the twill protruding from the surface of the packaging belt as h, wherein the height of the deep twill is h1, the height of the shallow twill is h2, and h1> h2 is satisfied; the front surface and the back surface are both provided with the twill combination; the adjacent deep twills are parallel to each other and the adjacent shallow twills are parallel to each other. The invention discloses an asymmetric packing belt, which breaks through the tradition, creatively designs a twill combination consisting of a deep twill and a shallow twill which are inclined in different directions, and arranges the twill combination on the front and the back of the packing belt, so that the tensile resistance of the packing belt can be improved under the condition of the same gram weight, and the problems in the prior art are solved.
Drawings
FIG. 1 is a schematic view of the present invention using an embossing roll to produce a strapping band;
FIG. 2 is a schematic view of the embossing roll of the present invention;
FIG. 3 is a schematic front view of an asymmetric packing belt according to an embodiment of the present invention;
FIG. 4 is a schematic view of the reverse structure of an asymmetric packing belt according to an embodiment of the present invention;
FIG. 5 is a schematic view of a double-sided projection of an asymmetric packing belt according to an embodiment of the present invention from the front;
FIG. 6 is a cross-sectional view of an asymmetric strapping band in accordance with an embodiment of the present invention;
FIG. 7 is a diagram of SolidWorks simulation parameters in an asymmetric packing belt in accordance with an embodiment of the present invention;
FIG. 8 is a graph showing the results of SolidWorks stress values in an asymmetric packing belt in accordance with an embodiment of the present invention;
FIG. 9 is a graph showing the results of SolidWorks displacement in an asymmetric packing belt according to an embodiment of the present invention;
FIG. 10 is a graph showing the results of SolidWorks stress values in a prior art packing belt with diamond lattices;
FIG. 11 is a graph showing the results of SolidWorks displacement in a prior art packing belt with diamond lattices;
wherein 001 is an upper embossing roll, 002 is a lower embossing roll, and 003 is a frame.
Detailed Description
The invention discloses an asymmetric packing belt, which breaks through the tradition, creatively designs a twill combination consisting of a deep twill and a shallow twill which are inclined in different directions, and arranges the twill combination on the front side and the back side of the packing belt, so that the tensile resistance of the packing belt can be improved under the condition of the same gram weight, and the problems in the prior art are solved.
The technical solutions in the embodiments of the present invention are described in detail 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 to 11, the asymmetric packing belt of the present invention has a front surface and a back surface, and further includes a twill assembly 1, where the twill assembly 1 includes a deep twill 11 inclined to one side and a shallow twill 12 inclined to the other side;
defining the height of the twill protruding the surface of the strapping as h, the height of the deep twill 11 is h 1 The height of the shallow twill 12 is h 2 And satisfy h 1 >h 2 ；
The front surface and the back surface are both provided with the twill combination 1;
the adjacent deep twills 11 are parallel to each other and the adjacent shallow twills 12 are parallel to each other.
Before describing the embodiment of the present invention, a manufacturing process of a flat packing belt is described first, and at present, the flat packing belt is formed by pressing two embossing rollers which are arranged oppositely up and down, please refer to fig. 1 and fig. 2, wherein concave grains are arranged on the embossing rollers for extruding twill; the flat packing belt with the twill combination is compared with the flat packing belt with the rhombic lattices, when the flat packing belt is manufactured, the thickness size, the twill inclination angle and the distance between the twills are set to be equal, the height of the twill is different due to the fact that the grains of the two flat packing belts are different, and on the premise that the material weights of the flat packing belts before the twill is pressed are the same, the height of the two twills of the twill combination flat packing belt is equal to the height sum of the convex ribs inclined in two directions of the rhombic lattices.
In the embodiment of the invention, the trend thinking of the industry is broken, namely, the solidification mode of a flat packing belt with rhombic grid textures with the same four-side height in the industry is broken, and the twill combination 1 consisting of the deep twill 11 and the shallow twill 12 is innovatively adopted, so that the excellent performance can be brought under the condition of the same material weight. The performance improvement of the asymmetric strapping band of the present invention is illustrated in three ways:
1. description of the principle: the structure of the packing belt is assumed to be unchanged, only the height of the twill is variable, under the condition that the two ends of the packing belt are stressed, the height of the twill is higher, the tensile resistance of the packing belt is better under the condition that the height of the twill is not more than the design range, but more raw materials are needed to be used, if the structure of the packing belt is changed, only one twill is arranged on the front surface or the back surface, the friction force of the packing belt can be obviously reduced, the balance between the tensile resistance and the friction force is achieved, and the maximization of the tensile resistance is realized while the requirement of the friction force can be met; please refer to fig. 3-6, for the asymmetric packing belt of the present invention, that is, a packing belt with twill combination is adopted, a deep twill 11 and a shallow twill 12 form a lattice, which can be a rhombus or parallelogram, and can ensure that the packing belt has enough friction force, and the height of the shallow twill 12 is reduced compared with that of the common rhombus lattice, the material saved by the height reduction of the shallow twill 12 is just used for the height increase of the deep twill 11, the height increase of the deep twill 11 can bring a larger increase of the tensile resistance, generally speaking, under the condition of ensuring that the friction performance meets the requirement, the tensile resistance of the packing belt can be increased by 5% -20%, it should be noted here that, under the condition of the packing belt with the same gram weight, the performance of the packing belt is difficult to be increased at present, especially in the present where the green environmental protection goes deeper into the heart of people, the performance of the packing belt with small-width increase under the same gram weight is difficult and expensive.
2. Simulation analysis: here, software SolidWorks is used to perform simulation analysis on the performance of different flat packing belts, please refer to fig. 7-10, in the figures, the asymmetric packing belt in the embodiment of the present invention and the diamond lattice packing belt in the prior art are included, the thickness and the size of the body of the asymmetric packing belt and the body of the diamond lattice packing belt in the prior art are set to be 0.2mm, the inclined angle of the diagonal line and the distance of the diagonal line are set to be equal, because the grains of the two packing belts are different, the heights of the diagonal lines are different, and on the premise that the material weights of the packing belts before the grains are pressed are the same, it is assumed that h in the asymmetric packing belt in the present invention is h 1 ＝0.2mm、h 2 =0.02mm, the height h of the rhomboid lattice 3 *2=0.2+0.02, namely h 3 =0.11mm. When the performance of the packing belt is simulated by SolidWorks, firstly, the material property of the packing belt is set, as shown in FIG. 7, an asymmetric packing belt with the length of 20mm is cut, two ends of the asymmetric packing belt are clamped by 1mm respectively, one end of the asymmetric packing belt is fixed, the other end of the asymmetric packing belt exerts a force of 50N in the simulation, and the obtained stress value is 4.137e +007, and the displacement is 2.116e-001; then cutting a diamond lattice packing belt with the length of 20mm, clamping two ends of the diamond lattice packing belt with the length of 1mm respectively, fixing one end of the diamond lattice packing belt, applying 50N force to the other end of the diamond lattice packing belt in simulation to obtain a stress value of 5.196e +007 and a displacement of 2.155e-001; that is, under the same stress, the stress value and deformation of the asymmetric packing belt are smaller, obviously, under the condition that all conditions are consistent, only the height of the diagonal is changed, the stress value and the displacement generated by the packing belt are changed, and the asymmetric packing belt is providedThe performance of the packing belt is much better than that of a packing belt with diamond lattices.
3. Analyzing actual experimental data: the invention selects four packing belts with higher use degree to test, which are respectively 11 × 0.4 and 2g/m, 11 × 0.45 and 2.2g/m, 11 × 0.5 and 2.5g/m, 13.5 × 0.6 and 4.5g/m;
the tests of specification 11 × 0.4 and 2g/m are as follows: firstly, four diamond-shaped lattice packing belts with the specification of 11 × 0.4 (2 g/m) are selected for testing, namely, a serial number 1, a serial number 2, a serial number 3 and a serial number 4:1. the serial number 1 is cut out by 5m and weighed as 10.02g, and the average value is 2.004g/m;2. number 2 5m was taken out and weighed as 10.09g, average 2.018g/m;3. the serial number 3 is cut out by 5m and weighed as 10.04g, and the average value is 2.008g/m;4. number 4 weighed 10.1g with a cut-out of 5m, and an average of 2.02g/m. The following data were obtained:
next, four criteria were chosen, 11 x 0.4 (2 g/m), and h 2 Test with an asymmetric packing belt of =0.02mm, i.e. No. 1, no. 2, no. 3 and No. 4:1. number 1 was cut 5m and weighed 10.19g, average 2.038g/m;2. the serial number 2 is cut out by 5m and weighed as 9.95g, and the average value is 1.99g/m;3. no. 3, 5m is cut out and weighed as 9.84g, and the average value is 1.968g/m;4. number 4 weighed 9.64g with a cut-off of 5m and an average of 1.928g/m. The following data were obtained:
| number 1 tension/kg | No. 2 tensile force/kg | No. 3 tensile force/kg | Number 4 tension/kg | |
| 1 | 96 | 94 | 94 | 94 |
| 2 | 96 | 93 | 97 | 91 |
| 3 | 94 | 91 | 96 | 90 |
| 4 | 89 | 95 | 96 | 89 |
| 5 | 96 | 95 | 95 | 91 |
| 6 | 93 | 95 | 93 | 93 |
| 7 | 96 | 94 | 90 | 86 |
| 8 | 94 | 95 | 95 | 88 |
| 9 | 95 | 97 | 94 | 90 |
| 10 | 95 | 90 | 94 | 92 |
| Mean value of | 94.4 | 93.9 | 94.4 | 90.4 |
| kgf/g | 46.31992149 | 47.18592965 | 47.96747967 | 46.8879668 |
| Performance enhancement | 6.8％ | 9.4％ | 11.6％ | 8.6％ |
Then, four gauges 11 x 0.4 (2 g/m), and h were selected 2 Test with an asymmetric packing belt of 0.04mm, i.e. No. 1, no. 2, no. 3 and No. 4:1. the serial number 1 is cut out by 5m and weighed as 10g, and the average value is 2g/m;2. the serial number 2 is cut out by 5m and weighed as 10g, and the average value is 2g/m;3. the serial number 3 is cut out by 5m and weighed as 10.2g, and the average value is 2.04g/m;4. number 4 weighed 10.35g with a cut-out of 5m, and an average of 2.07g/m. The following data were obtained:
| number 1 tension/kg | No. 2 tensile force/kg | No. 3 tensile force/kg | No. 4 tensile force/kg | |
| 1 | 96 | 92 | 97 | 101 |
| 2 | 93 | 94 | 98 | 100 |
| 3 | 95 | 96 | 98 | 104 |
| 4 | 96 | 97 | 96 | 102 |
| 5 | 98 | 95 | 95 | 104 |
| 6 | 96 | 96 | 98 | 101 |
| 7 | 95 | 98 | 99 | 98 |
| 8 | 97 | 98 | 101 | 103 |
| 9 | 96 | 95 | 97 | 101 |
| 10 | 97 | 98 | 98 | 98 |
| Mean value of | 95.9 | 95.9 | 97.7 | 101.2 |
| kgf/g | 47.95 | 47.95 | 47.89215686 | 48.88888889 |
| Performance enhancement | 10.6％ | 11.2％ | 11.4％ | 13.2％ |
Finally, it can be known from comparative experimental data that the asymmetric packing belt provided by the invention has higher resistance than the traditional rhombic lattice packing beltThe tensile property is improved by about 6.8 to 13.2 percent, and the specification shows that the tensile property is improved along with h 2 The performance of the asymmetric packing belt can also be changed, but the tensile resistance of the asymmetric packing belt is improved compared with that of the traditional diamond grid packing belt.
The specification 11 x 0.45 and 2.2g/m tests were as follows: firstly, four diamond-lattice packing belts with the specification of 11 × 0.45 (2.2 g/m) are selected for testing, namely, a serial number 1, a serial number 2, a serial number 3 and a serial number 4:1. the serial number 1 is cut out by 5m and weighed as 11g, and the average value is 2.2g/m;2. the serial number 2 is cut by 5m and weighed as 11.01g, and the average value is 2.202g/m;3. the sequence number 3 is cut out by 5m and weighed as 11.09g, and the average value is 2.218g/m;4. number 4 weighed 10.95g with a cut-off of 5m, and an average of 2.19g/m. The following data were obtained:
| number 1 tension/ | Number | 2 tension/kg | No. 3 tensile force/kg | Number 4 tension/kg | |
| 1 | 89 | 86 | 81 | 90 | |
| 2 | 90 | 84 | 82 | 86 | |
| 3 | 97 | 95 | 83 | 95 | |
| 4 | 96 | 96 | 87 | 93 | |
| 5 | 98 | 98 | 96 | 96 | |
| 6 | 97 | 97 | 96 | 98 | |
| 7 | 99 | 95 | 94 | 90 | |
| 8 | 97 | 95 | 91 | 93 | |
| 9 | 95 | 97 | 93 | 93 | |
| 10 | 96 | 95 | 95 | 94 | |
| Mean value of | 95.4 | 93.8 | 89.8 | 92.8 | |
| kgf/g | 43.36363636 | 42.59763851 | 40.48692516 | 42.37442922 |
Then, four gauges 11 x 0.45 (2.2 g/m) and h were selected 2 Test with an asymmetric strapping band of 0.04mm, i.e. No. 1, no. 2, no. 3 and No. 4:1. the weighing is 11.45g by intercepting 5m of the serial number 1, and the average value is 2.29g/m;2. the serial number 2 is cut out by 5m and weighed as 11g, and the average value is 2.2g/m;3. the serial number 3 is cut out by 5m and weighed as 11.4g, and the average value is 2.28g/m;4. number 4 weighed 11.75g when cut at 5m with an average value of 2.35g/m. The following data were obtained:
next, four gauges 11 x 0.45 (2.2 g/m) and h are selected 2 Test with an asymmetric packing belt of 0.15mm, i.e. No. 1, no. 2, no. 3 and No. 4:1. the serial number 1 is cut by 5m and weighed as 10.62g, and the average value is 2.124g/m;2. the serial number 2 is cut out by 5m and weighed as 10.76g, and the average value is 2.152g/m;3. the serial number 3 is cut out by 5m and weighed as 10.8g, and the average value is 2.16g/m;4. number 4 weighed 10.7g with a cut-out of 5m, and an average value of 2.14g/m. The following data were obtained:
| number 1 tension/ | Number | 2 tension/kg | No. 3 tensile force/kg | Number 4 tension/kg | |
| 1 | 97 | 100 | 99 | 98 | |
| 2 | 96 | 100 | 101 | 99 | |
| 3 | 99 | 99 | 101 | 102 | |
| 4 | 100 | 98 | 99 | 103 | |
| 5 | 96 | 93 | 104 | 102 | |
| 6 | 98 | 100 | 99 | 97 | |
| 7 | 99 | 99 | 103 | 100 | |
| 8 | 99 | 102 | 99 | 103 | |
| 9 | 97 | 96 | 101 | 101 | |
| 10 | 99 | 100 | 103 | 100 | |
| Mean value of | 98 | 98.7 | 100.9 | 100.5 | |
| kgf/g | 46.1393597 | 45.86431227 | 46.71296296 | 46.96261682 | |
| Performance enhancement | 6.4％ | 7.7％ | 15.4％ | 10.8％ |
Finally, the comparative experiment data shows that the tensile resistance of the asymmetric packing belt is improved by 5-16.1% compared with that of the traditional rhombic lattice packing belt, and it needs to be noted that the tensile resistance is improved along with h 2 The performance of the asymmetric packing belt can also be changed, but the tensile resistance of the asymmetric packing belt is improved compared with that of the traditional diamond grid packing belt.
The tests with the specification 11 × 0.5 and 2.5g/m are as follows: firstly, four diamond lattice packing belts with the specification of 11 × 0.5 (2.5 g/m) are selected for testing, namely, serial number 1, serial number 2, serial number 3 and serial number 4:1. the serial number 1 is cut out by 5m and weighed as 12.75g, and the average value is 2.55g/m;2. the serial number 2 is cut out by 5m and weighed as 12.5g, and the average value is 2.5g/m;3. the serial number 3 is cut out by 5m and weighed as 12.55g, and the average value is 2.51g/m;4. number 4 weighed 12.65g with a cut-off of 5m and an average of 2.53g/m. The following data were obtained:
| number 1 tension/kg | No. 2 tensile force/kg | Number 3 tension/kg | Number 4 tension/kg | |
| 1 | 106 | 108 | 105 | 104 |
| 2 | 113 | 104 | 114 | 107 |
| 3 | 110 | 105 | 111 | 108 |
| 4 | 107 | 107 | 104 | 108 |
| 5 | 97 | 109 | 100 | 105 |
| 6 | 100 | 105 | 103 | 105 |
| 7 | 105 | 109 | 107 | 109 |
| 8 | 109 | 103 | 110 | 103 |
| 9 | 110 | 107 | 107 | 106 |
| 10 | 107 | 105 | 103 | 104 |
| Mean value of | 106.4 | 106.2 | 106.4 | 105.9 |
| kgf/g | 41.7254902 | 42.48 | 42.39043825 | 41.85770751 |
Next, four gauges 11 x 0.5 (2.5 g/m) and h are selected 2 Test with an asymmetric packing belt of =0.02mm, i.e. No. 1, no. 2, no. 3 and No. 4:1. the serial number 1 is cut by 5m and weighed as 12.33g, and the average value is 2.466g/m;2. the serial number 2 is cut out by 5m and weighed as 12.43g, and the average value is 2.486g/m;3. the serial number 3 is cut out by 5m and weighed as 13.2g, and the average value is 2.64g/m;4. number 4 weighed 12.99g with a cut-out of 5m and an average of 2.598g/m. The following data were obtained:
then, four gauges 11 x 0.5 (2.5 g/m) and h were selected 2 Test with an asymmetric strapping band of 0.04mm, i.e. No. 1, no. 2, no. 3 and No. 4:1. the serial number 1 is cut by 5m and weighed as 12.65g, and the average value is 2.53g/m;2. sequence of stepsNumber 2 cut 5m and weigh 12.58g, average 2.516g/m;3. the serial number 3 is cut out by 5m and weighed as 12.9g, and the average value is 2.58g/m;4. number 4 weighed 12.8g with a cut-off of 5m and an average of 2.56g/m. The following data were obtained:
next, four gauges 11 x 0.5 (2.5 g/m) and h are selected 2 Test with an asymmetric packing belt of 0.15mm, i.e. No. 1, no. 2, no. 3 and No. 4:1. the serial number 1 is cut by 5m and weighed as 12.78g, and the average value is 2.556g/m;2. number 2 cut 5m and weighed 12.87g, average 2.574g/m;3. the sequence number 3 is cut out by 5m and weighed as 12.99g, and the average value is 2.598g/m;4. number 4 weighed 12.3g with a cut-off of 5m and an average of 2.46g/m. The following data were obtained:
| number 1 tension/ | Number | 2 tension/kg | No. 3 tensile force/kg | No. 4 tensile force/kg | |
| 1 | 130 | 118 | 128 | 120 | |
| 2 | 123 | 123 | 118 | 121 | |
| 3 | 127 | 130 | 122 | 123 | |
| 4 | 123 | 129 | 128 | 114 | |
| 5 | 123 | 128 | 117 | 121 | |
| 6 | 128 | 128 | 130 | 122 | |
| 7 | 125 | 131 | 128 | 118 | |
| 8 | 120 | 126 | 125 | 123 | |
| 9 | 119 | 125 | 123 | 121 | |
| 10 | 121 | 122 | 128 | 121 | |
| Mean value of | 123.9 | 126 | 124.7 | 120.4 | |
| kgf/g | 48.4741784 | 48.95104895 | 47.99846035 | 48.94308943 | |
| Performance enhancement | 16.1％ | 15.2％ | 13.2％ | 16.9％ |
Finally, the tensile property of the asymmetric packing belt is improved by 6.5-20% compared with that of the traditional diamond lattice packing belt by comparing experimental data, wherein h is 2 The performance of the asymmetric packing belt with the thickness of =0.04mm is improved obviously, the performance is improved by about 18%, and it needs to be noted that along with h 2 The performance of the asymmetric packing belt can be changed, but the tensile resistance of the asymmetric packing belt is improved compared with that of the traditional rhombic lattice packing belt.
The specifications 13.5 × 0.6 and 4.5g/m were tested as follows: firstly, four diamond-lattice packing belts with the specification of 13.5 × 0.6 (4.5 g/m) are selected for testing, namely, a serial number 1, a serial number 2, a serial number 3 and a serial number 4:1. the weighing is 22.55g by intercepting 5m of the serial number 1, and the average value is 4.51g/m;2. number 2 cut 5m and weigh 22.5g, average 4.5g/m;3. the serial number 3 is cut out by 5m and weighed as 22.4g, and the average value is 4.48g/m;4. number 4 weighed 23g with 5m cut, and the average was 4.6g/m. The following data were obtained:
| number 1 tension/ | Number | 2 tension/kg | Number 3 tension/kg | Number 4 tension/kg | |
| 1 | 189 | 169 | 173 | 199 | |
| 2 | 184 | 185 | 192 | 192 | |
| 3 | 192 | 183 | 183 | 193 | |
| 4 | 180 | 187 | 182 | 195 | |
| 5 | 184 | 181 | 193 | 197 | |
| 6 | 184 | 189 | 185 | 180 | |
| 7 | 189 | 178 | 190 | 193 | |
| 8 | 188 | 199 | 184 | 189 | |
| 9 | 178 | 174 | 180 | 188 | |
| 10 | 178 | 183 | 184 | 196 | |
| Mean value of | 184.6 | 182.8 | 184.6 | 192.2 | |
| kgf/g | 40.93126386 | 40.62222222 | 41.20535714 | 41.7826087 |
Next, four gauges 13.5 x 0.6 (4.5 g/m) and h are selected 2 Test with an asymmetric strapping band of 0.04mm, i.e. No. 1, no. 2, no. 3 and No. 4:1. the serial number 1 is cut out by 5m and weighed as 22.93g, and the average value is 4.586g/m;2. number 2 was cut 5m and weighed 23.19g, average 4.638g/m;3. the serial number 3 is cut out by 5m and weighed as 22.86g, and the average value is 4.572g/m;4. number 4 weighed 23.3g when 5m was cut out, with an average value of 4.66g/m. The following data were obtained:
finally, the tensile resistance of the asymmetric packing belt is improved by about 8-11.3% compared with that of the traditional rhombic lattice packing belt by comparing experimental data, and it needs to be noted that along with h 2 The performance of the asymmetric packing belt can also be changed, but the tensile resistance of the asymmetric packing belt is improved compared with that of the traditional diamond grid packing belt.
Through the analysis of the practical experimental data, the tensile resistance of the asymmetric packing belt is greatly improved compared with that of the traditional diamond-lattice packing belt, the tensile resistance of the asymmetric packing belt is even improved by about 20% in certain specifications, and the asymmetric packing belt is realized under the condition of not changing the gram weight of materials, so that the asymmetric packing belt has great significance and practical value.
In a preferred embodiment of the method of the invention,
the distance between adjacent deep twills 11 is the same.
In a preferred embodiment of the method of the invention,
h is not less than 0.1mm 1 ≤0.7mm。
H above 1 The ranges of (A) are the preferred ranges obtained after the test and are not limited herein.
In a preferred embodiment of the method of the invention,
and the distance between every two adjacent shallow twills is the same.
In a preferred embodiment of the method of the invention,
h is more than or equal to 0.005mm 2 ≤2/3h 1 mm。
H above 2 The ranges of (A) are the preferred ranges obtained after the test and are not limited herein.
Preferably, the first and second liquid crystal materials are,
h is not less than 0.015mm 2 ≤1/2h 1 mm。
In a preferred embodiment of the method of the invention,
the inclination angles of the deep twill 11 and the shallow twill 12 are the same as the vertical direction.
In this case, the deep twill 11 and the shallow twill 12 form a parallelogram.
Preferably, the first and second liquid crystal materials are,
the adjacent deep twills 11 are parallel to each other and have the same distance;
the adjacent shallow twills 12 are mutually parallel and have the same distance;
from the front orthographic projection observation, the included angle formed by the deep twill 11 positioned on the front and the deep twill 11 positioned on the back is the same as the included angle formed by the shallow twill 12 positioned on the front and the shallow twill 12 positioned on the back.
In a preferred embodiment of the method of the invention,
the adjacent deep twills 11 are mutually parallel and have the same distance;
the adjacent shallow twills 12 are parallel to each other and have the same distance;
on the same side, the deep twill 11 and the shallow twill 12 form a rhombic lattice.
The asymmetric packing belt provided by the invention is provided with a front surface and a back surface, and further comprises a twill combination 1, wherein the twill combination 1 comprises a deep twill 11 inclined towards one side and a shallow twill 12 inclined towards the other side; defining the height of the twill protruding packaging belt surface as h, then the height of the deep twill 11 is h1, the height of the shallow twill 12 is h2, and h1> h2 is satisfied; the front surface and the back surface are both provided with the twill combination 1; the adjacent deep twills 11 are parallel to each other and the adjacent shallow twills 12 are parallel to each other. The invention discloses an asymmetric packing belt, which breaks through the tradition, creatively designs a twill combination 1 consisting of a deep twill 11 and a shallow twill 12 which are inclined in different directions, and arranges the twill combination on the front side and the back side of the packing belt, so that the tensile resistance of the packing belt can be improved under the condition of the same gram weight, and the problems in the prior art are solved.
While the asymmetric strapping band, the modular frame and the vertical packaging machine provided by the present invention have been described in detail, those skilled in the art will appreciate that the concepts of the embodiments of the present invention may be varied in the specific implementation and application, and in view of the above, the disclosure should not be construed as limiting the invention.
Claims (9)
1. An asymmetric packing belt is provided with a front surface and a back surface and is characterized by further comprising a twill combination, wherein the twill combination comprises a deep twill inclined towards one side and a shallow twill inclined towards the other side;
the height of the twill protruding packaging belt surface is defined as h, and the height of the deep twill is h 1 The height of the shallow twill is h 2 And satisfy h 1 >h 2 ；
The front surface and the back surface are both provided with the twill combination;
it is adjacent deep twill is parallel to each other and adjacent shallow twill is parallel to each other.
2. The asymmetric packing belt according to claim 2, wherein the distance between adjacent deep twills is the same.
3. The asymmetric packing strap of claim 3, wherein 0.1mm ≦ h 1 ≤0.7mm。
4. Asymmetric packing strap according to any one of claims 1 to 3,
and the distance between every two adjacent shallow twills is the same.
5. The asymmetric packing strap as claimed in claim 4, wherein 0.005mm ≦ h 2 ≤2/3h 1 mm。
6. Asymmetric packing belt according to claim 5, characterized in that said 0.015mm ≦ h 2 ≤1/2h 1 mm。
7. The asymmetric packing belt according to claim 6, wherein the deep twill and the shallow twill have the same inclination angle with the vertical direction.
8. The asymmetric packing belt according to claim 1, wherein adjacent deep twills are parallel to each other and have the same spacing;
the adjacent shallow twills are mutually parallel and have the same distance;
observe from positive orthographic projection, be located positive dark twill and the contained angle that is located the dark twill formation of reverse side, the contained angle that is located positive shallow twill and is located the shallow twill formation of reverse side is the same.
9. The asymmetric packing belt according to claim 1, wherein adjacent deep twills are parallel to each other and have the same spacing;
the adjacent shallow twills are mutually parallel and have the same distance;
on the same side, the deep twill and the shallow twill form a rhombic lattice.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024021558A1 (en) * | 2022-07-26 | 2024-02-01 | 浙江永创机械有限公司 | Asymmetric packaging belt |
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