CN104890300B - It is integrally formed film cutlery box and preparation method thereof - Google Patents
It is integrally formed film cutlery box and preparation method thereof Download PDFInfo
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- CN104890300B CN104890300B CN201510234385.2A CN201510234385A CN104890300B CN 104890300 B CN104890300 B CN 104890300B CN 201510234385 A CN201510234385 A CN 201510234385A CN 104890300 B CN104890300 B CN 104890300B
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Abstract
Film cutlery box and preparation method thereof is integrally formed the invention discloses one kind, the preparation method includes：One individual layer leaching membrane paper is cut and impression is into the expansion shape cutlery box paper embryo with box body and lid, and soften its surface with steam, again with upper and lower mould to box body and the hot pressing of 120 DEG C~160 DEG C of lid progress, the land for making four end angle paper embryos mutually coincide, it is glued fixed by the leaching membrane layer heated, and using the hot pressing time is controlled, make box body and lid while extending with concavo-convex strengthening surface, make cutlery box that there is enough structural strengths when being integrally formed；Finally, the humidity that it is remained when being molded with cutlery box determines whether non-defective unit, is able to ensure the outgoing of cutlery box, promotes consumer edible and use upper safe effect.
Description
Technical field
Film cutlery box and preparation method thereof is integrally formed the present invention relates to one kind, more particularly to one kind makes cutlery box paper with steam
Embryo has ductility so that what shaping cutlery box had enough structural strengths is integrally formed film cutlery box and preparation method thereof.
Background technology
Traditional disposable utensils (disposable tableware) are mostly that plastic products, Poly Foam (polystyrene) or stationery are made
Into, wherein again with the disposable utensils made by Poly Foam (polystyrene), heat can give off toxin, to human health,
And the tableware can not natural decomposition, the pollution of environment can be caused, because being prohibitted the use of by many countries.
Therefore market is increased to paper box for food demand, has dealer constantly to develop the meal made of paper of various different structures then
Box.And the structure and preparation method of conventional paper cutlery box, as illustrated by figures 1 a and 1b, by Paperboard cutting into a predetermined shape cutlery box paper embryo
60, the cutlery box paper embryo 60 has cassette bottom 61, box side plate 62, the tabs 63 of quadripolar corners and lid 64 etc., and above-mentioned each position is all mutual
Link is integrated, and is had hot pressing through a molding, is made the tabs 63 of above-mentioned quadripolar corners bonded to each other, as a three-dimensional paper box for food
60A。
But, conventional paper cutlery box 60A structures, the problem of its is maximum point be the box body 61a after its hot pressing synthesis type or
Lid 64a, because cardboard does not have extensibility, no image of Buddha plastics or Poly Foam cutlery box can be integrally formed tool irregular
Paper box for food 60A behind reinforcement shaft of rib or surface, therefore shaping, its structural strength relative deficiency is also easy to produce change when bearing food
Shape；Furthermore, the faying face after the tabs 63 of its quadripolar corners overlaps is sticked together laminating using colloid, but such a bonding mode is molded
The structure of three-dimensional paper lunch-box 60A afterwards is relatively weak, the outer tabs for drawing, being easily caused end angle if past two relative frame sides slightly exert a force
63 tear or damage, consequently, it is possible to when containing dish soup in cutlery box, be event easily from joint place seepage, still have improvement empty
Between.
The content of the invention
First, the technical problem to be solved
The purpose of the present invention is the above mentioned problem present in prior art, and spy provides one kind and is integrally formed film cutlery box
And preparation method thereof, it can solve prior art the problem of point so that have enough structures when paper box for food is integrally formed
Intensity, can replace the cutlery box commonly used made by non-environmental protection material, increase effect of consumer's edible safety.
Another object of the present invention, then be integrally formed film cutlery box and preparation method thereof, it makes meal with steam in offer one kind
Box paper embryo has ductility, when cutlery box is molded and determines whether non-defective unit with humidity, with ensuring shaping cutlery box quality and make
With safe effect.
2nd, technical scheme
In order to solve the above technical problems, the present invention provides a kind of preparation method for being integrally formed film cutlery box, the preparation
Method includes：
A) provides an individual layer leaching membrane paper, and the first surface that the individual layer leaching membrane paper lies in body paper spoons the pouring of a layer polypropylene
Film layer, and make the second surface of the body paper in exposed shape；
B) is by the individual layer leaching membrane paper, cuts and impression is into the expansion shape cutlery box paper embryo with box body and lid；
C) provides a steam chamber, and the expansion shape cutlery box paper embryo cut is sent into steam chamber, does not have leaching membrane layer with the body paper
Second surface absorb steam chamber steam, make the cutlery box paper embryo soften；
D) provide a folding cartridge device, the cutlery box paper embryo of the softening is converted into the embryo of box body and lid, and make respectively this four
The faying face mutually coincided with paper embryo is presented in individual end angle；
E) surface of one group of mold of offer and lower mould, the mold and lower mould is respectively equipped with the recessed of desired depth
Convex shape, carries out 120 DEG C~160 DEG C of hot pressing, and make respectively this four with the mold and lower mould to the box body and lid
The faying face that the paper embryo at end angle mutually coincides is fixed by the leaching membrane layer gluing heated；
F) controls the hot pressing time of the mold and lower mould, when making the box body and lid shaping, on its surface simultaneously
Extend into concavo-convex strengthening surface；And
G) is integrally formed the shaping of film cutlery box, and it is moved back after mould, is detected the humidity for being integrally formed film cutlery box, is sentenced according to this
Break as non-defective unit or defective products.
Wherein, it is integrally formed in above-mentioned in the preparation method of film cutlery box, described cutlery box paper embryo bag in expansion shape
Include:Box body, with cassette bottom and connects the four sides box side of the cassette bottom periphery, and the root edge on the four sides box side and the junction of the cassette bottom are set
It is equipped with crease line, and the adjacent edge on the four sides box side is formed as four severing lines of rake angle, makes four ends angle can laminated layer
For arc chord angle；Lid, with capping and connects four cover sides of the capping periphery, the root edge on the four covers side and the four of the capping
All junctions are provided with crease line, and the adjacent edge on the four covers side is formed as four severing lines of rake angle, makes four ends angle
Can laminated layer be arc chord angle；And the box body on rear side of the lid with being provided with the crease line being connected.
Wherein, it is integrally formed in above-mentioned in the preparation method of film cutlery box, when the box body and the hot-forming lid,
Its four periphery forms horizontal flange surface.
The present invention also provide it is a kind of be integrally formed film cutlery box by prepared by preceding method, including：Box body, with cassette bottom and
From the box side of the upward folding pressing and forming of the cassette bottom periphery；Lid, is pressed into capping and from the downward folding of capping periphery
The lid side of type, and the lid be connected with being provided with rear side of the box body turn to lift portion, the lid is turned to lift portion in the box with this
It is in raise or cover on body；The faying face that the paper embryo at this four ends angle mutually coincides, is to make its gluing solid with leaching membrane layer hot melt
Fixed shaping；And the cassette bottom of the capping of the lid and the box body is formed in one and extended with plural concavo-convex strengthening surface.
Wherein, it is integrally formed in above-mentioned in film cutlery box, four ends angle of the lid and the box body is shaped to arc chord angle.
3rd, beneficial effects of the present invention
Compared with prior art, it is of the invention to be integrally formed film cutlery box and preparation method thereof, cutlery box paper embryo is made with steam
With ductility so that concavo-convex strengthening surface is formed when paper box for food is integrally formed simultaneously, with enough structural strengths；
Furthermore, cutlery box determines whether non-defective unit when being molded with its residual humidity, it is ensured that the outgoing of shaping cutlery box, and consumer
Use upper security.
Brief description of the drawings
Figure 1A and Figure 1B are the structural representations of conventional paper cutlery box；
Fig. 2 is the Making programme figure for being integrally formed film cutlery box of the embodiment of the present invention；
Fig. 3 is the expanded schematic diagram of the cutlery box paper embryo of the embodiment of the present invention；
Fig. 4 is that the cutlery box paper embryo of the embodiment of the present invention makes its surface moisturizing schematic diagram with steam；
Fig. 5 is the schematic diagram to roll over one of box and hot-press forming device of the embodiment of the present invention；
Fig. 6 is that the cutlery box paper embryo of the embodiment of the present invention is tentatively converted into the process schematic of box body and lid；
Fig. 7 is that the embodiment of the present invention is integrally formed the hot-forming stereoscopic figure of film cutlery box；
Fig. 8 is the use state for being integrally formed film cutlery box of the embodiment of the present invention with reference to figure；
Wherein：
10 individual layer leaching membrane papers；11 body paper；11a first surfaces；11b second surfaces；12 leaching membrane layers；20 box bodys；21 cassette bottoms；22
Box side；23rd, 33 crease line；24th, 34 severing line；25th, 35 end angle；25a, 35a arc chord angle；25b, 35b faying face；26th, 36 is concavo-convex
Strengthening surface；27th, 37 flange surface；30 lids；31 cappings；32 lid sides；40 cutlery box paper embryos；40A is integrally formed film cutlery box；41 foldings
Trace line；41a turns to lift portion；42 tongues；43 joint-cuttings；50 folding boxes and hot-press forming device；51 molds；52 times moulds；511st, 521 is recessed
Convex shape.
Embodiment
With reference to the accompanying drawings and examples, the embodiment to the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but can not be used for limiting the scope of the present invention.
First, refer to shown in Fig. 2~Fig. 8, the preparation method for being integrally formed film cutlery box of the invention, embodiment bag
Step shown in flow chart containing Fig. 2:
Step a) provide an individual layer leaching membrane paper 10, and as shown in Figures 3 and 4, the individual layer leaching membrane paper 10 lies in a body paper 11
One first surface 11a spoons the leaching membrane layer 12 of a layer polypropylene (PE), and makes the second surface 11b of the body paper 11 be in exposed shape.
In the present embodiment, second surface 11b is mainly, as in successive process, it to be softened to adsorb steam in exposed shape.
Foregoing individual layer leaching membrane paper 10 is cut and impression is into the expansion shape cutlery box with box body 20 and lid 30 by step b)
Paper embryo 40；As shown in figure 3, in the present embodiment, the cutlery box paper embryo 40, it includes:One box body 20, should with a cassette bottom 21 and connection
The four sides box side 22 of the periphery of cassette bottom 21, the root edge on the four sides box side 22 is in crease line 23 with the junction system of the cassette bottom 21, and should
The adjacent edge on four sides box side 22 is tied to form four severing lines 24 of rake angle, make four end angle 25 can laminated layer be arc chord angle 25a
(this part is as shown in Figure 7)；One lid 30, with a capping 31 and connects four cover sides 32 of the periphery of capping 31, the four sides
The surrounding junction system of the root edge on lid side 32 and the capping 31 is in crease line 33, and the adjacent edge on the four covers side 32 is tied to form oblique angle
Degree four severing lines 34, make four end angle 35 can laminated layer be arc chord angle 35a (as shown in Figure 7)；And the box body 20 with
The rear side system of the lid 30 is in the crease line 41 connected.Furthermore, the side of the lid 30 is provided with a tongue 42, the correspondence of box body 20
Side is provided with a joint-cutting 43, makes it can identical nested positioning when covering.
Step c) provide a steam chamber (not shown), and the expansion shape cutlery box paper embryo 40 cut is sent into steam chamber, such as scheme
Shown in 4, the steam (shown in arrow) of steam chamber is absorbed with second surface 11b of the body paper 11 without leaching membrane layer 12, makes the cutlery box
Paper embryo 40 softens；Steam can not be absorbed as first surface 11a leaching membrane layer 12, the leaching membrane layer 12 is conduct after cutlery box is molded
The inner edge surface contacted with food, this is that the cutlery box paper embryo 40 of the present invention must be defined to individual layer leaching membrane paper 10 and be constituted.
There is provided a folding box and hot-press forming device 50, the cutlery box paper embryo 40 of the softening is converted into as shown in Figure 4 by step d)
Into box body 20 and the embryo 40A (as shown in phantom in Figure 5) of lid 30, in the present embodiment, the folding box and hot-press forming device 50
Only it is an example, to the embodiments possible for illustrating to be converted into the cutlery box paper embryo 40 into box body 20 and lid 30, it is first
Preceding technology (Prior Art), the patent target of non-invention, appearance is not repeated.Because four ends of present invention angle 25,35 has severing
Line 24, therefore through the folding box and during hot-press forming device 50, folding box device can make respectively this four ends angle 25,35 present there is paper embryo
Faying face 25b, 35b mutually coincided, as shown in fig. 7, Fig. 6 systems show that box body 20 has been rolled well and lid 30 is not yet equivalent shows
It is intended to, during actually converting into, box body 20 and lid 30 are that can simultaneously be carried out in the folding box and hot-press forming device 50.
Step e) provide one group of upper and lower mould 51,52, and the bottom surface of the upper and lower mould 51,52 is respectively equipped with desired depth
Concavo-convex body 511,521, in the present embodiment, the upper and lower mould 51,52 has electric-heating assembly (not shown), makes it have pre-
Fixed temperature.And 120 DEG C~160 DEG C of hot pressing is carried out with the upper and lower mould 51,52 pairs of box bodys 20 and lid 30, and make
Faying face 25b, 35b that respectively this four ends angle 25,35 paper embryos mutually coincide, make its gluing fixed by the leaching membrane layer 12 heated.
Therefore the present invention does not need to fix the end angle coincided using viscose, but directly using leaching membrane layer 12 at 120 DEG C~160 DEG C
Stickiness can be produced, faying face 25b, 35b is able to glued fixation under upper and lower mould 51,52 hot pressings according to this.It should be noted
Ground is, the upper and lower mould 51,52 hot pressings temperature portion cannot be more than 160 DEG C, otherwise leaching membrane layer 12 can be destroyed by melting.
Step f) control the hot pressing time of the upper and lower mould 51,52, when making the box body 20 and the shaping of lid 30, at it
Extend into the irregular strengthening surface 26,36 of tool simultaneously in surface；In the present embodiment, the box body 20 and the lid 30 are hot-forming
When, horizontal flange surface 27,37 is more formed in four peripheries, as shown in Figure 7.
Step g) are integrally formed film cutlery box 40A shapings, and this then is integrally formed into film cutlery box 40A and moves back mould, and is detected
This is integrally formed film cutlery box 40A humidity, judges that this is integrally formed film cutlery box 40A for non-defective unit or defective products according to this.This is
The important technical characteristic of the present invention, because the cutlery box paper embryo 40 with steam, after hot-forming, if humidity is higher than acquiescence
Value, then this four ends angle 25,35 mutually coincides faying face 25b, 35b, meeting can not be firm, it is easy to which relaxation dissipates when containing hot food
Open, therefore defective products, but so defective products must be regarded as, it is impossible to detected with manpower or other modes, and it is of the invention
Actual test result, to be integrally formed film cutlery box 40A humidity, judges degree of accuracy pole of the cutlery box for non-defective unit or defective products according to this
Height, therefore, is able to ensure the quality of product.
Further, present invention foundation is above taken off is integrally formed film cutlery box 40A made by technological means, its structure bag
Include：One box body 20, with a cassette bottom 21 and from the box side 22 of the upward folding pressing and forming of the periphery of cassette bottom 21；One lid 30, tool
There are a capping 31 and the lid side 32 from the downward folding pressing and forming of the periphery of capping 31, and the rear side of the lid 20 and the box body 30
System turns to lift portion 41a in connection, and enabling the lid 30, this turns to lift portion 41a on the box body 20 in raising or cover；Its feature
It is:Faying face 25b, 35b that the paper embryo at this four ends angle 25,35 mutually coincides, are to make it glued with the leaching membrane layer 12 hot melt
It is fixed-type；And the surface with the box body 20 of the lid 30, be integrally formed extend with plural number concavo-convex strengthening surface 26,
36.Furthermore four end angle systems of the lid 30 and the box body 20 are shaped to arc chord angle 25a, 35a.
The present invention makes cutlery box paper embryo 40 have ductility using steam so that form concavo-convex when cutlery box is integrally formed simultaneously
Strengthening surface 26,36, with enough structural strengths；Furthermore, cutlery box is determined whether good with its residual humidity when being molded
Product, it is ensured that the outgoing of shaping cutlery box, and the security that consumer uses, effectively solve prior art the problem of point.
It the above is only the preferred embodiment of the present invention, it is noted that come for those skilled in the art
Say, without departing from the technical principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (3)
1. a kind of preparation method for being integrally formed film cutlery box, it is characterised in that the preparation method includes：
A) provides an individual layer leaching membrane paper (10), and the first surface (11a) that the individual layer leaching membrane paper (10) lies in body paper (11) spoons one
The leaching membrane layer (12) of layer polypropylene, and make the second surface (11b) of the body paper (11) in exposed shape；
B) is by the individual layer leaching membrane paper (10), cuts and impression is into the expansion shape cutlery box paper with box body (20) and lid (30)
Embryo (40)；
C) provides a steam chamber, and the expansion shape cutlery box paper embryo (40) cut is sent into steam chamber, not drenched with the body paper (11)
The second surface (11b) of film layer (12) absorbs the steam of steam chamber, softens the cutlery box paper embryo (40)；
D) provides a folding cartridge device, and the cutlery box paper embryo (40) of the softening is converted into the embryo of box body (20) and lid (30), and
Make the faying face (25b, 35b) that respectively this four end angle (25,35) presentations mutually coincide with paper embryo；
E) surface of one group of mold (51) of offer and lower mould (52), the mold (51) and lower mould (52) is respectively equipped with
The concavo-convex body (511,521) of desired depth, with the mold (51) and lower mould (52) to the box body (20) and lid (30)
Carry out 120 DEG C~160 DEG C of hot pressing, and make faying face that the paper embryo of respectively this four ends angle (25,35) mutually coincides (25b,
It is 35b) fixed by leaching membrane layer (12) gluing heated；
F) controls the hot pressing time of the mold (51) and lower mould (52), when making the box body (20) and lid (30) shaping,
Extend into simultaneously with concavo-convex strengthening surface (26,36) on its surface；And
G) is integrally formed film cutlery box (40A) shaping, and it is moved back after mould, detects the humidity for being integrally formed film cutlery box (40A),
It is judged as non-defective unit or defective products according to this.
2. the preparation method according to claim 1 for being integrally formed film cutlery box, it is characterised in that described is in expansion shape
The cutlery box paper embryo (40) includes:
Box body (20), with cassette bottom (21) and connects the four sides box side (22) of cassette bottom (21) periphery, the four sides box side (22)
Root edge and the junction of the cassette bottom (21) are provided with crease line (23), and the adjacent edge on the four sides box side (22) is formed as rake angle
Four severing lines (24), make four end angle (25) can laminated layer be arc chord angle (25a)；
Lid (30), with capping (31) and connects four cover sides (32) of capping (31) periphery, the four covers side (32)
The surrounding junction of root edge and the capping (31) is provided with crease line (33), and the adjacent edge on the four covers side (32) is formed as oblique
Four severing lines (34) of angle, make four end angle (35) can laminated layer be arc chord angle (35a)；And
The box body (20) on rear side of the lid (30) with being provided with the crease line being connected (41).
3. the preparation method according to claim 2 for being integrally formed film cutlery box, it is characterised in that the box body (20) is with being somebody's turn to do
When lid (30) is hot-forming, horizontal flange surface (27,37) is formed in its four periphery.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510234385.2A CN104890300B (en) | 2015-05-08 | 2015-05-08 | It is integrally formed film cutlery box and preparation method thereof |
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| CN104890300B true CN104890300B (en) | 2017-10-13 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107259913A (en) * | 2017-06-13 | 2017-10-20 | 陈辉 | A kind of environmentally friendly health lotus leaf tableware and preparation method thereof |
| CN107499643B (en) * | 2017-07-18 | 2023-06-27 | 宁波芙途科技有限公司 | Environment-friendly cutlery box |
| CN107719831B (en) * | 2017-09-21 | 2023-12-15 | 宁波新鲜派环保科技有限公司 | Fresh-keeping cutlery box with film and manufacturing method thereof |
| CN111572094B (en) * | 2020-06-11 | 2024-05-24 | 济南绿宝纸制品有限公司 | Processing technology and processing equipment for paper cutlery box with self-locking box cover |
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| JP3815135B2 (en) * | 1999-08-24 | 2006-08-30 | 凸版印刷株式会社 | Paper tray container |
| CN102862317A (en) * | 2011-07-06 | 2013-01-09 | 卓东茂 | paper lunch box forming device and forming method |
| CN103010549A (en) * | 2011-09-26 | 2013-04-03 | 张麦成 | Novel paper snack box |
| CN204561228U (en) * | 2015-05-08 | 2015-08-19 | 宁波市镇海恒佳纸制品有限公司 | One-body molded film cutlery box |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050098616A1 (en) * | 2003-09-11 | 2005-05-12 | Hsi-Ching Chang | Food box with a windowed cover and method for making the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3815135B2 (en) * | 1999-08-24 | 2006-08-30 | 凸版印刷株式会社 | Paper tray container |
| CN102862317A (en) * | 2011-07-06 | 2013-01-09 | 卓东茂 | paper lunch box forming device and forming method |
| CN103010549A (en) * | 2011-09-26 | 2013-04-03 | 张麦成 | Novel paper snack box |
| CN204561228U (en) * | 2015-05-08 | 2015-08-19 | 宁波市镇海恒佳纸制品有限公司 | One-body molded film cutlery box |
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