CN112407574A - Powder package and method for determining inclination angle of notch of powder package - Google Patents
Powder package and method for determining inclination angle of notch of powder package Download PDFInfo
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- CN112407574A CN112407574A CN202011341596.3A CN202011341596A CN112407574A CN 112407574 A CN112407574 A CN 112407574A CN 202011341596 A CN202011341596 A CN 202011341596A CN 112407574 A CN112407574 A CN 112407574A
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- powder
- package
- edge
- bottom edge
- length
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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
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/52—Details
- B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
- B65D75/5827—Tear-lines provided in a wall portion
-
- 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
- B65D33/00—Details of, or accessories for, sacks or bags
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bag Frames (AREA)
- Packages (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
Abstract
The invention provides a powder package, comprising: the powder bag comprises a powder bag main body, a powder bag cover and a powder bag cover, wherein the powder bag main body is in an isosceles trapezoid shape, and two inclined edges of the powder bag main body are provided with sawtooth structures; the first tearing path line is arranged at the included angle between the bevel edge and the bottom edge; and the second tearing path line is arranged at the position, close to the short edge, on the powder packet body and is parallel to the short edge. The invention also provides a method for determining the inclination angle of the notch of the powder package. According to the invention, the inclination angle of the sawtooth structure is determined by designing the powder package in a trapezoid manner, so that the problems that the opening is too large when the package is torn and the content is carelessly scattered in the powder package produced by the existing powder package trimming technology are solved.
Description
Technical Field
The invention relates to the technical field of powder packaging, in particular to a powder packaging method and a method for determining the inclination angle of a notch of the powder packaging.
Background
The packaging mode that current powder packing was taken mainly has two kinds, and one kind is artifical filler encapsulation, and another kind is mechanical automation packing, has semi-automatic, full-automatic packagine machine etc. and the packing flow is usually: filling, hot-pressing and sealing bags, and cutting and placing bags. The vertical packing is commonly used at present in mechanical automation packaging, the material is conveyed to a feeding bin through a conveying system for caching, quantitative feeding is guaranteed through a material level weighing sensor or a mechanical screening structure, a through-type material bag is sealed at the bottom by a blank pressing heat sealing device below the material level, a through-type material bag is sealed at the side by a blank pressing heat sealing device at the side, only an upper feeding bag opening is reserved, the powder falls into the packaging bag from the upper feeding bag opening through a material door to complete feeding, and the blank pressing heat sealing device and a cutting knife above the material level after feeding simultaneously operate to complete bag sealing and bag falling processes, so that the packing is very fast and efficient.
The cutter is perpendicular to the edge of the material bag in the existing trimming and bag-dropping process, the final finished powder package is rectangular, the packaging style meets the requirement of sealing and containing the powder, and the problem is solved in terms of functionality.
Disclosure of Invention
In order to overcome the problems in the prior art, the invention provides a powder package and a method for determining the inclination angle of a notch of the powder package.
The technical scheme of the invention is as follows:
a powder package comprising:
the powder bag comprises a powder bag main body, a powder bag cover and a powder bag cover, wherein the powder bag main body is in an isosceles trapezoid shape, and two inclined edges of the powder bag main body are provided with sawtooth structures;
the first tearing path line is arranged at the included angle between the bevel edge and the bottom edge;
and the second tearing path line is arranged at the position, close to the short edge, on the powder packet body and is parallel to the short edge.
Preferably, the angle between the oblique side and the bottom side is 70 °.
A method of determining the angle of inclination of a powder package cutout, comprising the steps of:
measuring the length and width of a rectangular powder packet to be improved, and determining the maximum value and the minimum value of the length and the height of the bottom side of a main body of the trapezoidal powder packet;
determining the tangent value of the included angle between the inclined edge and the bottom edge; according to the formula:
x is the length of the bottom edge of the isosceles trapezoid powder packet;
h is the height of the isosceles trapezoid powder packet;
alpha is the included angle between the bevel edge and the bottom edge;
a is the side length of the rectangular powder bag to be improved;
b is the side length of a cut of the rectangular powder bag to be improved;
and taking the minimum value of the tangent value of the included angle between the inclined edge and the bottom edge as the included angle between the inclined edge and the bottom edge.
The preferred scheme of the invention is that the range of the long edge x at the bottom of the trapezoid powder packet main body is 50mm < x <80mm, and the range of the height is 50mm < h <80 mm.
The preferable scheme of the invention is that the length of the rectangular powder packet to be improved is 50 mm-80 mm, and the width is 50 mm-80 mm.
Preferably, the included angle between the oblique side and the bottom side is 70 degrees.
The invention has the beneficial effects that:
according to the invention, the inclination angle of the sawtooth structure is determined by designing the powder package in a trapezoid manner, so that the problems that the opening is too large when the package is torn and the content is carelessly scattered in the powder package produced by the existing powder package trimming technology are solved.
Drawings
FIG. 1 is a diagram of a powder package according to the present invention;
FIG. 2 is a diagram of a prior art powder package according to an embodiment of the present invention;
FIG. 3 is a diagram illustrating the dimension of the palm of the human body according to the GB10000-88 "Chinese adult human body dimension" standard in the embodiment of the present invention.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention.
Referring to fig. 1, a diagram of a powder package and a method for determining an inclination angle of a notch of the powder package according to the present invention is shown;
as shown in fig. 1, a powder package comprises:
the powder bag comprises a powder bag main body, wherein the powder bag main body is in an isosceles trapezoid shape, and two oblique sides of the powder bag main body are provided with sawtooth structures;
the first tearing path line is arranged at the included angle between the bevel edge and the bottom edge;
the path line is torn to the second, and the path line is torn to the second sets up and is close to the position of minor face and be on a parallel with the minor face on powder package main part.
Wherein the included angle between the oblique edge and the bottom edge is 70 degrees.
According to the invention, through the trapezoidal design and the determination of the inclination angle, the problems that the opening is too large when the package is torn and the content is carelessly scattered in the powder package produced by the existing powder package trimming technology are solved, and the user experience of a user is improved to the maximum extent. The invention improves the use effect of the product and improves the user experience on the premise of not increasing the complexity of the traditional processing technology by the newly designed inclined knife edge cutting mode.
The invention also provides a method for determining the inclination angle of the notch of the powder package, which comprises the following steps:
step 2, determining a tangent value of an included angle between the bevel edge and the bottom edge; according to the formula:
x is the length of the bottom edge of the isosceles trapezoid powder packet;
h is the height of the isosceles trapezoid powder packet;
alpha is the included angle between the bevel edge and the bottom edge;
a is the side length of the rectangular powder bag to be improved;
b is the side length of a cut of the rectangular powder bag to be improved;
and 3, taking the minimum value of the tangent value of the included angle between the bevel edge and the bottom edge as the included angle between the bevel edge and the bottom edge.
In the step 1, according to the standard of Chinese adult human body size, 4/3 with the length of 5% digit of the index finger of an adult female is taken as a reference, the maximum length x of the long edge at the bottom of the isosceles trapezoid powder packet is determined to be 80mm, and the maximum height h is determined to be 80 mm; the minimum length x of the long edge at the bottom of the isosceles trapezoid powder packet is determined to be 50mm and the minimum height h is determined to be 50mm by taking 2/3 with the number of 95% digits of the index finger of an adult male as a reference.
In step 2, x satisfies the following formula: x is more than 50 and less than 80, and the unit is mm.
When the side length a and the cut side length b of the existing powder package are determined, the range of the inclination angle of the cut of the powder package can be determined by setting any value of the bottom side length x or the height h of the improved powder package. In the implementation of the invention, the length of the rectangular powder packet to be improved is 50-80 mm, and the width is 50-80 mm.
In the embodiment of the invention, h is 60mm, alpha is 70 degrees and x is 80mm in the determined novel trapezoidal powder packaging size. The dotted line paths c, d and e marked in fig. 1 are three tearing paths in the use process of the novel trapezoid powder package determined by the invention, and y is the upper bottom of the novel trapezoid powder package.
Refer to fig. 2 for a diagram of a conventional powder package. The reference existing powder package size in the novel trapezoidal powder package size determined by the invention is 70mm, and 50 mm.
Referring to fig. 3, which is a size description diagram of a palm of a human body in the standard GB10000-88 'Chinese adult human body size', the side length x of the bottom edge of the novel trapezoid powder package determined by the invention is 50-80 mm, the height h is 50-80 mm, and the tangent value range of the inclination angle alpha of the cut of the powder package (namely the angle formed by the cut and the bottom edge) is 2.769-1 by combining the calculation formula of the inclination angle of the cut of the powder package and the numerical values explained with reference to fig. 1 and fig. 2.
According to the size description of the palm of the human body in the GB10000-88 'Chinese adult human body size' standard, in order to realize the satisfaction degree of more than 95% of the population number, the invention proposes that the maximum x of the long edge at the bottom of a novel trapezoidal powder package is 80mm, and the maximum h of the novel trapezoidal powder package is 80mm on the basis of 4/3 with the length of 5% digit of the index finger of an adult female; taking 2/3 with 95% digit of the length of the index finger of an adult male as a reference, proposing that the minimum x of the long edge at the bottom of the novel trapezoidal powder package is 50mm, the minimum h of the novel trapezoidal powder package is 50mm, and substituting the minimum h into a calculation formula of the inclination angle of the notch of the powder package to obtain the novel trapezoidal powder package, wherein the tangent value range of the inclination angle alpha of the notch of the powder package (namely the angle formed by the notch and the bottom edge) is 2500/(4000-80ab) -6400/(4000-ab); the invention provides the suggestion of the application range of a calculation formula of the inclination angle of the powder package notch according to the size description of the palm of the human body in the GB10000-88 'Chinese adult human body size': the side length a range of the prior powder package for improvement is 50 mm-80 mm; the side length range of the existing powder package notch for improvement is 50 mm-80 mm. The height h of the novel trapezoidal powder package designed by the invention is 60mm, a is 70mm, b is 50mm, and the inequality can be obtained by substituting the calculation formula of the inclination angle of the notch of the powder package
The tangent value range of the alpha of the inclination angle (namely the angle formed by the notch and the bottom edge) of the notch of the powder package is 2.769-1, the inclination angle of the notch of the novel trapezoidal powder package obtained by taking the minimum value 2.769 is about 70 degrees, and the long edge x of the bottom of the novel trapezoidal powder package is 80 mm.
The present invention has been described in detail, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge of those skilled in the art. Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, but only by the scope of the appended claims.
Claims (6)
1. A powder package, comprising:
the powder bag comprises a powder bag main body, a powder bag cover and a powder bag cover, wherein the powder bag main body is in an isosceles trapezoid shape, and two inclined edges of the powder bag main body are provided with sawtooth structures;
the first tearing path line is arranged at the included angle between the bevel edge and the bottom edge;
and the second tearing path line is arranged at the position, close to the short edge, on the powder packet body and is parallel to the short edge.
2. A powder package according to claim 1, wherein the bevel is at an angle of 70 ° to the base.
3. A method of determining the angle of inclination of a notch in a package of powder, comprising the steps of:
step 1, measuring the length and width of a rectangular powder packet to be improved, and determining the maximum value and the minimum value of the length and height of the bottom edge of a main body of a trapezoidal powder packet;
step 2, determining a tangent value of an included angle between the bevel edge and the bottom edge; according to the formula:
x is the length of the bottom edge of the isosceles trapezoid powder packet;
h is the height of the isosceles trapezoid powder packet;
alpha is the included angle between the bevel edge and the bottom edge;
a is the side length of the rectangular powder bag to be improved;
b is the side length of a cut of the rectangular powder bag to be improved;
and 3, taking the minimum value of the tangent value of the included angle between the bevel edge and the bottom edge as the included angle between the bevel edge and the bottom edge.
4. The method of claim 3, wherein the length of the long side x of the bottom of the trapezoidal shaped packet body is in the range of 50mm < x <80mm, and the height is in the range of 50mm < h <80 mm.
5. The method for determining the inclined angle of the notch of the powder package in claim 3, wherein the rectangular powder package to be modified has a length of 50mm to 80mm and a width of 50mm to 80 mm.
6. The method of claim 3 wherein the bevel is at an angle of 70 degrees to the bottom edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011341596.3A CN112407574B (en) | 2020-11-25 | 2020-11-25 | Method for determining inclination angle of powder packaging notch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011341596.3A CN112407574B (en) | 2020-11-25 | 2020-11-25 | Method for determining inclination angle of powder packaging notch |
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| CN112407574A true CN112407574A (en) | 2021-02-26 |
| CN112407574B CN112407574B (en) | 2022-04-26 |
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| CN202011341596.3A Active CN112407574B (en) | 2020-11-25 | 2020-11-25 | Method for determining inclination angle of powder packaging notch |
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| US20090074333A1 (en) * | 2007-09-18 | 2009-03-19 | Martin Griebel | Packaging Bag with Tearing Aid |
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| CN112407574B (en) | 2022-04-26 |
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Effective date of registration: 20220411 Address after: 314400 Zhejiang pangdu Environmental Protection Technology Co., Ltd., No. 38, Qihui Road, Chang'an Town (Nongfa District), Haining City, Jiaxing City, Zhejiang Province Applicant after: Zhejiang pangdu Environmental Protection Technology Co.,Ltd. Address before: Room 11-001, 3rd floor, qianrenlou, No.9, Gaoxin 2nd Road, high tech Zone, Xi'an City, Shaanxi Province, 710075 Applicant before: XI'AN RUIPU PRINTER Co.,Ltd. |
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