CN104890300A - Integrally molded film meal box and preparation method thereof - Google Patents
Integrally molded film meal box and preparation method thereof Download PDFInfo
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- CN104890300A CN104890300A CN201510234385.2A CN201510234385A CN104890300A CN 104890300 A CN104890300 A CN 104890300A CN 201510234385 A CN201510234385 A CN 201510234385A CN 104890300 A CN104890300 A CN 104890300A
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Abstract
The invention discloses an integrally molded film meal box and a preparation method thereof. The preparation method comprises the following steps: a single layer of film paper is cut and pressed to an unfolded meal box paper blank having a box body and a cover body, and the surface thereof is softened by steam; the box body and the cover body are thermally pressed at a temperature 120-160 DEG C by upper and lower molds, so that overlapped combination areas of four corners of the paper blank are glued and fixed by hot-molten film layers; the hot pressing time is controlled to enable the box body and the cover body to synchronously extent to have concave-convex reinforced surfaces, so that the meal box has enough structural strength in integral molding; and finally, the meal box is judged as a good product according to the residual humidity in molding, so that the delivery quality of the meal box is guaranteed, and the safety effect on eating and using of consumers is enhanced.
Description
Technical field
The present invention relates to a kind of one-body molded film cutlery box and preparation method thereof, particularly relate to one and make cutlery box paper embryo have ductility with steam, make shaping cutlery box one-body molded film cutlery box with enough structural strengths and preparation method thereof.
Background technology
Traditional disposable utensils (disposable tableware) are mostly made by plastic products, Poly Foam (polystyrene) or stationery, wherein again with the disposable utensils made by Poly Foam (polystyrene), heat can give off toxin, to human health, and this tableware cannot natural decomposition, the pollution of environment can be caused, because being prohibitted the use by a lot of country.
Therefore increase to paper box for food demand in market, then has dealer constantly to develop the paper box for food of various different structure.And the structure of conventional paper cutlery box and method for making, as illustrated by figures 1 a and 1b, Paperboard cutting is become the cutlery box paper embryo 60 of a predetermined shape, this cutlery box paper embryo 60 to have at the bottom of box 61, the tabs 63 and lid 64 etc. of box side plate 62, quadripolar corners, above-mentioned each position is all interconnected to be integrated, through a molding tool hot pressing, make the tabs 63 of above-mentioned quadripolar corners bonded to each other, become a three-dimensional paper box for food 60A.
But, conventional paper cutlery box 60A structure, its maximum problem points be its hot pressing shaping after box body 61a or lid 64a, because cardboard does not have an extensibility, so cannot as plastics or Poly Foam cutlery box, can the irregular reinforcement shaft of rib of one-body molded tool or surface, the paper box for food 60A after therefore shaping, its structural strength relative deficiency, easily produces distortion when bearing food; Moreover, faying face after tabs 63 overlapping of its quadripolar corners utilizes colloid to be sticked together laminating, but the structure of the three-dimensional paper cutlery box 60A after this kind of bonding mode is shaping is more insecure, if draw outside two relative edges exert a force a little, easily cause holding the tabs 63 at angle to tear or damage, thus, when in cutlery box during splendid attire dish soup juice, easily from joint place seepage, be event, be still improved space.
Summary of the invention
The technical problem that one, will solve
The object of the invention is for the problems referred to above existing for prior art, spy provides a kind of one-body molded film cutlery box and preparation method thereof, it can solve the problem points of prior art, when making paper box for food one-body molded, there is enough structural strengths, the cutlery box commonly used made by non-environmental protection material can be replaced, increase effect of consumer's edible safety.
Another object of the present invention, then providing a kind of one-body molded film cutlery box and preparation method thereof, it makes cutlery box paper embryo have ductility with steam, determines whether non-defective unit when cutlery box is shaping with humidity, has the effect guaranteed shaping cutlery box quality and use upper safety.
Two, technical scheme
For solving the problems of the technologies described above, the invention provides a kind of preparation method of one-body molded film cutlery box, described preparation method comprises:
A). provide an individual layer leaching membrane paper, the first surface that this individual layer leaching membrane paper lies in body paper spoons the polyacrylic leaching membrane layer of one deck, and makes the second surface of this body paper be exposed shape;
B). by described individual layer leaching membrane paper, to cut and impression becomes to have the expansion shape cutlery box paper embryo of box body and lid;
C). a steam chamber is provided, the expansion shape cutlery box paper embryo cut is sent into steam chamber, do not have the second surface of leaching membrane layer to absorb the steam of steam chamber with this body paper, this cutlery box paper embryo is softened;
D). a folding cartridge device is provided, this softening cutlery box paper embryo is amounted to into the embryo of box body and lid, and make respectively these four end angles present the faying face having paper embryo and mutually coincide;
E). one group of mold and bed die are provided, the surface of this mold and bed die is respectively equipped with the concavo-convex body of desired depth, with this mold and bed die, the hot pressing of 120 DEG C ~ 160 DEG C is carried out to this box body and lid, and the faying face that the paper embryo at respectively these four end angles is coincided mutually is fixing by being glued together by the leaching membrane layer of hot melt;
F). control the hot pressing time of this mold and bed die, make this box body and lid shaping time, extend on its surface simultaneously and there is concavo-convex strengthening surface; And
G). one-body molded film cutlery box is shaping, after it moves back mould, detects the humidity of this one-body molded film cutlery box, is judged as non-defective unit or defective products according to this.
Wherein, in the preparation method of above-mentioned one-body molded film cutlery box, described this cutlery box paper embryo in launching shape comprises: box body, have at the bottom of box and connect the box limit, four sides of periphery at the bottom of this box, the root edge on this box limit, four sides and the junction at the bottom of this box are provided with crease line, and the adjacent edge on this box limit, four sides is formed as four severing lines of rake angle, four are made to hold angle laminated layer to be arc chord angle; Lid, there is capping and connect four cover limits of this capping periphery, the root edge on this four covers limit and the surrounding junction of this capping are provided with crease line, and the adjacent edge on this four covers limit is formed as four severing lines of rake angle, make four to hold angle laminated layer to be arc chord angle; And this box body is provided with the rear side of this lid the crease line be connected.
Wherein, in the preparation method of above-mentioned one-body molded film cutlery box, this box body and this lid hot-forming time, form horizontal flange surface at its four periphery.
The present invention also provides a kind of one-body molded film cutlery box prepared by preceding method, comprising: box body, to have at the bottom of box and the box limit of periphery upwards folding pressing and forming at the bottom of this box; Lid, has capping and the lid limit from the downward folding pressing and forming of this capping periphery, and this lid and the rear side of this box body be provided be connected turn to lift portion, make this lid can turn to lift portion on this box body in raising or covering with this; The faying faces that mutually coincide of paper embryo at these four end angles are that to make it glue together with this leaching membrane layer hot melt fixed-type; And be formed in one at the bottom of the capping of this lid and the box of this box body to extend there is the concavo-convex strengthening surface of plural number.
Wherein, in above-mentioned one-body molded film cutlery box, angle is held to be shaped to arc chord angle for four of this lid and this box body.
Three, beneficial effect of the present invention
Compared with prior art, one-body molded film cutlery box of the present invention and preparation method thereof, makes cutlery box paper embryo have ductility with steam, forms concavo-convex strengthening surface simultaneously, have enough structural strengths when making paper box for food one-body molded; Moreover, determine whether non-defective unit with its residual humidity when cutlery box is shaping, guarantee the outgoing of shaping cutlery box, and the security in consumer's use.
Accompanying drawing explanation
Figure 1A and Figure 1B is the structural representation of conventional paper cutlery box;
Fig. 2 is the Making programme figure of the one-body molded film cutlery box of the embodiment of the present invention;
Fig. 3 is the expansion schematic diagram of the cutlery box paper embryo of the embodiment of the present invention;
Fig. 4 is the schematic diagram that the cutlery box paper embryo of the embodiment of the present invention makes it surface moisturizing with steam;
Fig. 5 is the schematic diagram in order to roll over one of box and hot-press forming device of the embodiment of the present invention;
Fig. 6 is the process schematic that the cutlery box paper embryo of the embodiment of the present invention tentatively amounts to into box body and lid;
Fig. 7 is the hot-forming stereoscopic figure of the one-body molded film cutlery box of the embodiment of the present invention;
Fig. 8 is the using state reference diagram of the one-body molded film cutlery box of the embodiment of the present invention;
Wherein:
10 individual layer leaching membrane papers; 11 body paper; 11a first surface; 11b second surface; 12 leaching membrane layers; 20 box bodys; At the bottom of 21 boxes; 22 box limits; 23,33 crease lines; 24,34 severing lines; 25,35 end angles; 25a, 35a arc chord angle; 25b, 35b faying face; 26,36 concavo-convex strengthening surfaces; 27,37 flange surfaces; 30 lids; 31 cappings; 32 lid limits; 40 cutlery box paper embryos; The one-body molded film cutlery box of 40A; 41 crease lines; 41a turns to lift portion; 42 convex tongues; 43 joint-cuttings; 50 folding box and hot-press forming devices; 51 molds; 52 bed dies; 511,521 concavo-convex bodies.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but can not be used for limiting the scope of the invention.
First, refer to shown in Fig. 2 ~ Fig. 8, the preparation method of one-body molded film cutlery box of the present invention, embodiment comprises the step shown in Fig. 2 flow chart:
Step is a). and provide an individual layer leaching membrane paper 10, as shown in Figures 3 and 4, the first surface 11a that this individual layer leaching membrane paper 10 lies in a body paper 11 spoons the leaching membrane layer 12 of a layer polypropylene (PE), and makes the second surface 11b of this body paper 11 be exposed shape.In the present embodiment, this second surface 11b is exposed shape is mainly as in successive process, makes it soften in order to adsorb vapor.
Step b). by aforementioned individual layer leaching membrane paper 10, to cut and impression becomes to have the expansion shape cutlery box paper embryo 40 of box body 20 and lid 30; As shown in Figure 3, in the present embodiment, this cutlery box paper embryo 40, it comprises: a box body 20, to have at the bottom of a box 21 and connect the box limit, four sides 22 of 21 peripheries at the bottom of this box, at the bottom of root edge and this box on this box limit 22, four sides, the junction of 21 be crease line 23, and the adjacent edge on this box limit, four sides 22 is tied to form four severing lines 24 of rake angle, makes four end angles 25 laminated layer be arc chord angle 25a (this part as shown in Figure 7); One lid 30, there is a capping 31 and connect four cover limits 32 of this capping 31 periphery, the root edge on this four covers limit 32 and the surrounding junction of this capping 31 are in crease line 33, and the adjacent edge on this four covers limit 32 is tied to form four severing lines 34 of rake angle, four are made to hold angle 35 laminated layer to be arc chord angle 35a (as shown in Figure 7); And this box body 20 is the crease line 41 be connected with the rear side system of this lid 30.Moreover the side of this lid 30 is provided with a convex tongue 42, and this box body 20 respective side is provided with a joint-cutting 43, make it can identical nested location in time covering.
Step c). a steam chamber (not shown) is provided, the expansion shape cutlery box paper embryo 40 cut is sent into steam chamber, as shown in Figure 4, do not have the second surface 11b of leaching membrane layer 12 to absorb the steam (shown in arrow) of steam chamber with this body paper 11, this cutlery box paper embryo 40 is softened; Leaching membrane layer 12 as first surface 11a cannot absorb steam, and this leaching membrane layer 12 is in the shaping rear system of cutlery box as the inner edge surface contacted with food, and this is cutlery box paper embryo 40 of the present invention and must be defined as individual layer leaching membrane paper 10 and forms.
Steps d). as shown in Figure 4, one folding box and hot-press forming device 50 are provided, this softening cutlery box paper embryo 40 is amounted to into the embryo 40A (as shown in phantom in Figure 5) of box body 20 and lid 30, in the present embodiment, this folding box and hot-press forming device 50 are only an example, and in order to an embodiments possible of this cutlery box paper embryo 40 being amounted to into box body 20 and lid 30 to be described, it is prior art (Prior Art), the patent target of non-invention, holds and does not repeat.Because the present invention four end angle 25,35 has severing line 24, therefore when this folding box and hot-press forming device 50, folding box device can make respectively these four end angles 25,35 present faying face 25b, 35b of having paper embryo and mutually coinciding, as shown in Figure 7, Fig. 6 system display box body 20 has been rolled well and schematic diagram that lid 30 is not yet amounted to, amount in process actual, box body 20 and lid 30 are can carry out in this folding box and hot-press forming device 50 simultaneously.
Step e). one group of upper and lower mould 51,52 is provided, the bottom surface of this upper and lower mould 51,52 is respectively equipped with the concavo-convex body 511,521 of desired depth, in the present embodiment, this upper and lower mould 51,52 has electric-heating assembly (not shown), makes it have predetermined temperature.And with this upper and lower mould 51,52, this box body 20 and lid 30 are carried out to the hot pressing of 120 DEG C ~ 160 DEG C, and make faying face 25b, 35b that respectively these four end angle 25,35 paper embryos coincide mutually, fixing by being made it glue together by the leaching membrane layer 12 of hot melt.Therefore the present invention does not need to use viscose to fix the end angle coincided, but directly use leaching membrane layer 12 can produce stickiness 120 DEG C ~ 160 DEG C time, make faying face 25b, 35b be glued together under this upper and lower mould 51,52 hot pressing according to this fixing.That the temperature portion of this upper and lower mould 51,52 hot pressing cannot more than 160 DEG C, otherwise leaching membrane layer 12 can be destroyed by melting with should be noted that.
Step f). control the hot pressing time of this upper and lower mould 51,52, make this box body 20 and lid 30 shaping time, extend into the irregular strengthening surface 26,36 of tool on its surface simultaneously; In the present embodiment, when this box body 20 is hot-forming with this lid 30, more form horizontal flange surface 27,37 in four peripheries, as shown in Figure 7.
Step g). one-body molded film cutlery box 40A is shaping, then this one-body molded film cutlery box 40A is moved back mould, and detects the humidity of this one-body molded film cutlery box 40A, judges that this one-body molded film cutlery box 40A is non-defective unit or defective products according to this.This is the important technical characteristic of the present invention, because have the cutlery box paper embryo 40 of steam, after hot-forming, if humidity is higher than default value, then these four end angles 25, the 35 faying face 25b mutually coincided, 35b, meeting cannot be firm, relax when being easy to splendid attire hot food and scatter, therefore defective products must be regarded as, but so defective products, cannot detect with manpower or other modes, and the actual test result of the present invention, with the humidity of one-body molded film cutlery box 40A, judge that cutlery box is that the degree of accuracy of non-defective unit or defective products is high according to this, therefore, guaranteed the quality of product.
Further, the present invention's foundation is taken off the one-body molded film cutlery box 40A made by technological means, its structure comprises: a box body 20, to have at the bottom of a box 21 and at the bottom of this box the box limit 22 of 21 peripheries upwards folding pressing and forming; One lid 30, has a capping 31 and the lid limit 32 from the downward folding pressing and forming of this capping 31 periphery, and this lid 20 is the portion that the turns to lift 41a be connected with the rear side system of this box body 30, makes this lid 30 be able to this and turns to lift portion 41a on this box body 20 in raising or covering; It is characterized in that: paper the embryo faying face 25b, the 35b that mutually coincide at these four end angles 25,35, is that to make it glue together with this leaching membrane layer 12 hot melt fixed-type; And this lid 30 with the surface of this box body 20, one-body molded extension has the concavo-convex strengthening surface 26,36 of plural number.Moreover four of this lid 30 and this box body 20 are held angle to be shaped to arc chord angle 25a, 35a.
The present invention utilizes steam to make cutlery box paper embryo 40 have ductility, forms concavo-convex strengthening surface 26,36 simultaneously, have enough structural strengths when making cutlery box one-body molded; Moreover, determine whether non-defective unit with its residual humidity when cutlery box is shaping, guarantee the outgoing of shaping cutlery box, and the security that consumer uses, effectively solve the problem points of prior art.
Below be only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (5)
1. a preparation method for one-body molded film cutlery box, is characterized in that, described preparation method comprises:
A). an individual layer leaching membrane paper (10) is provided, the first surface (11a) that this individual layer leaching membrane paper (10) lies in body paper (11) spoons the polyacrylic leaching membrane layer of one deck (12), and makes the second surface of this body paper (11) (11b) in exposed shape;
B). by described individual layer leaching membrane paper (10), to cut and impression becomes to have expansion shape cutlery box paper embryo (40) of box body (20) and lid (30);
C). a steam chamber is provided, expansion shape cutlery box paper embryo (40) cut is sent into steam chamber, do not have the second surface of leaching membrane layer (12) (11b) to absorb the steam of steam chamber with this body paper (11), this cutlery box paper embryo (40) is softened;
D). a folding cartridge device is provided, this softening cutlery box paper embryo (40) is amounted to into the embryo of box body (20) and lid (30), and make respectively these four ends angle (25,35) present the faying face (25b, 35b) having paper embryo and mutually coincide;
E). one group of mold (51) and bed die (52) are provided, the surface of this mold (51) and bed die (52) is respectively equipped with the concavo-convex body (511,521) of desired depth, with this mold (51) and bed die (52), this box body (20) and lid (30) are carried out to the hot pressing of 120 ° of C ~ 160 DEG C, and the faying faces (25b, 35b) that the paper embryo of respectively these four ends angle (25,35) is coincided mutually are fixing by being glued together by the leaching membrane layer of hot melt (12);
F). control the hot pressing time of this mold (51) and bed die (52), make this box body (20) and lid (30) shaping time, extend on its surface simultaneously and there is concavo-convex strengthening surface (26,36); And
G). one-body molded film cutlery box (40A) is shaping, after it moves back mould, detects the humidity of this one-body molded film cutlery box (40A), is judged as non-defective unit or defective products according to this.
2. the preparation method of one-body molded film cutlery box according to claim 1, is characterized in that, described this cutlery box paper embryo (40) in launching shape comprising:
Box body (20), there are (21) at the bottom of box and connect the box limit, four sides (22) of (21) periphery at the bottom of this box, at the bottom of the root edge on this box limit, four sides (22) and this box, the junction of (21) is provided with crease line (23), and the adjacent edge on this box limit, four sides (22) is formed as four severing lines (24) of rake angle, four are made to hold angle (25) laminated layer to be arc chord angle (25a);
Lid (30), there is capping (31) and connect four cover limits (32) of this capping (31) periphery, the root edge on this four covers limit (32) and the surrounding junction of this capping (31) are provided with crease line (33), and the adjacent edge on this four covers limit (32) is formed as four severing lines (34) of rake angle, four are made to hold angle (35) laminated layer to be arc chord angle (35a); And
This box body (20) and the rear side of this lid (30) are provided with the crease line (41) be connected.
3. the preparation method of one-body molded film cutlery box according to claim 2, is characterized in that, when this box body (20) is hot-forming with this lid (30), forms horizontal flange surface (27,37) at its four periphery.
4. the one-body molded film cutlery box that according to any one of above-mentioned 1 to 3 prepared by method, is characterized in that, comprising:
Box body (20), has (21) at the bottom of box and the box limit (22) of (21) periphery upwards folding pressing and forming at the bottom of this box;
Lid (30), there is capping (31) and the lid limit (32) from the downward folding pressing and forming of this capping (31) periphery, and this lid (30) and the rear side of this box body (20) are provided with the portion that turns to lift (41a) be connected, make this lid (30) portion (41a) can be turned to lift on this box body (20) in raising or covering with this;
The faying faces (25b, 35b) that mutually coincide of paper embryo of these four ends angle (25,35) are that to make it glue together with this leaching membrane layer (12) hot melt fixed-type; And
The capping (31) of this lid (30) and (21) at the bottom of the box of this box body are formed in one to extend and have the concavo-convex strengthening surface (26,36) of plural number.
5. one-body molded film cutlery box according to claim 4, is characterized in that, holds angle (25,35) to be shaped to arc chord angle (25a, 35a) for four of this lid (30) and this box body (20).
Priority Applications (1)
| 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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| 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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| CN104890300A true CN104890300A (en) | 2015-09-09 |
| CN104890300B CN104890300B (en) | 2017-10-13 |
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| CN107259913A (en) * | 2017-06-13 | 2017-10-20 | 陈辉 | A kind of environmentally friendly health lotus leaf tableware and preparation method thereof |
| CN107499643A (en) * | 2017-07-18 | 2017-12-22 | 宁波芙途国际贸易有限公司 | A kind of environment protecting lunch-box |
| CN107719831A (en) * | 2017-09-21 | 2018-02-23 | 宁波芙途国际贸易有限公司 | A kind of fresh-keeping cutlery box and its manufacture method with film |
| CN111572094A (en) * | 2020-06-11 | 2020-08-25 | 济南绿宝纸制品有限公司 | Processing technology and processing equipment for paper lunch box with self-locking box cover |
| 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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| 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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| JP3815135B2 (en) * | 1999-08-24 | 2006-08-30 | 凸版印刷株式会社 | Paper tray container |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107259913A (en) * | 2017-06-13 | 2017-10-20 | 陈辉 | A kind of environmentally friendly health lotus leaf tableware and preparation method thereof |
| CN107499643A (en) * | 2017-07-18 | 2017-12-22 | 宁波芙途国际贸易有限公司 | A kind of environment protecting lunch-box |
| CN107719831A (en) * | 2017-09-21 | 2018-02-23 | 宁波芙途国际贸易有限公司 | A kind of fresh-keeping cutlery box and its manufacture method with film |
| 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 |
| CN111572094A (en) * | 2020-06-11 | 2020-08-25 | 济南绿宝纸制品有限公司 | Processing technology and processing equipment for paper lunch box with self-locking box cover |
| 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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| Publication number | Publication date |
|---|---|
| CN104890300B (en) | 2017-10-13 |
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