CN1064618C

CN1064618C - Manufacturing method of packaging container

Info

Publication number: CN1064618C
Application number: CN96106987A
Authority: CN
Inventors: 黄福明
Original assignee: Individual
Current assignee: Huang Zhiwei; Lin Rongxiang
Priority date: 1996-08-02
Filing date: 1996-08-02
Publication date: 2001-04-18
Anticipated expiration: 2016-08-02
Also published as: CN1172756A

Abstract

The invention provides a method for manufacturing a packaging container, which utilizes chaff waste, and through the steps of crushing, stirring, board forming, secondary molding, shaping, drying, surface treatment and drying, it can reliably produce a complete package. non-polluting and environmentally friendly packaging containers.

Description

The manufacture method of packing container

The present invention relates to a kind of manufacture method of packing container.

General packing container (as disposable utensils etc.) be the article that Chang Daliang uses in modern's daily life, especially disposable utensils or packing box are in the pay attention to day by day personal hygiene and under requiring easily, satisfy into the food splendid attire, the main flow of packing, and it is well-known, at present as meal tray, cutlery boxs etc. are mainly based on Styrofoam or PP (polypropylene) packing box, but this type of plastic tableware just was not suitable for originally when the food container containing, because of it can discharge toxic substance (this is that raw material provides the British businessman ICI of factory to warn again and again) when the high temperature, but because of domestic tableware supplier seeks the low Gu Liangxin of net of its cost, and compatriots are also because of its use, abandon facility and use it, so be the potential big crisis that causes the person harm of whole state virtually, moreover this type of plastic tableware will cause more serious environmental protection public hazards to pollute; In view of this; the dealer is that think of figure develops other makeshifts; crisis with above-mentioned health of thorough solution and environmental protection destruction; for example announce No. 82423 " easy dinner set and manufacture method thereof " and announce No. 99257 one to append case promptly be an example; but because of its raw material is mainly taken from five cereals and plant amylum (as tree administration powder) etc.; and because five cereals are one of human staple food grains; and how many people the whole world has hungry and dead every year; the conduct of this kind violation food according to convention from inadvisable; and relevant this scheme also causes the criticism of domestic grains bureau, so the still formally stock production use so far of this case.

Because be the disappearance of raw material with five cereals, other be have with the rice husk be raw material " making the method for packing container with rice husk " to produce this case be raw material with the rice husk, and form a container through pulverizing, stir, roll skin, moulding, drying, this case is that significant effective solves above-mentioned all disappearances and takes into account health and environmental protection requirement, but in fact, its technological means still has following shortcoming and still can't be applied on the industry so far:

1, because of rice husk fibre-bearing (only about 0.3%) hardly itself, will rupture in the stamping forming process almost can't moulding, and relevant this point can't overcome, break through through for years the studying still of dealer.

2, as if the tableware made from rice husk, with the thickness of its about 1mm, contain the liquid of 60 ℃ of temperature, it will promptly dissolve in 4-5 minute, with this live telecast, the also difficult stage that reaches real industry application.

By above-mentioned analysis explanation as can be known, be somebody's turn to do " method of making packing container with rice husk " case, can't reach the industry practical purpose of its expection with the disclosed technological means of its patent specification at all, in other words, its technological means is rice husk can't be finished the purpose of making packing container through its manufacturing course, method, and its desired finished product also can't be reached in the industry practical stage.How developed, broken through, really be dealer and scholar's stress studies that intelligence is arranged, the emphasis direction of input at packing container and manufacture method thereof.

The object of the present invention is to provide a kind of manufacture method of packing container, utilize husk to make packing container, make full use of the husk waste, and be not detrimental to health, destroy the effect of environmental protection to reach for gurry.And can see through the actv. step and finish the making of its packing container really, and the packing container of manufacturing can reach the effect of using on the industry really.

Relevant the present invention is the manufacturing step that reaches above-mentioned purpose and adopted, and lifts a preferable possible embodiments now and cooperates that graphic details are as follows, only makes your juror understanding be arranged further and understand the advantage of invention and feature.

Technical scheme of the present invention is:

A kind of manufacture method of packing container is characterized in that: comprise the steps:

A. pulverize: with the husk is that raw material is inserted the rice husk powder that is processed into powdery in the comminutor;

B. stir and add adhesive agent: insert rice husk powder in the puddle mixer and add adhesive agent and stir, the back that stirs is injected steam and is continued rice husk powder is stirred into thick stirring material;

C. making sheet: will stir material and be conveyed into material collecting tank and make with the roll-in of pressure roller group and stir the material thin slice, and multilayer be stirred material thin slice group build up the folded material of loose shape group;

D. one-shot forming: the shape group of will loosening is stacked with 150-180kg/cm ²Pressure punch forming in set of molds;

E. post forming: utilize mould to carry out punching press and instantaneous heating of while more one-time formed container model, form the container model of post forming;

F. dry: as to carry out drying, temperature 60-80 ℃ with heat baking device;

G. surface treatment: make nontoxic, the edible protective paint of vessel surface application one deck;

H. dry: the temperature oven dry with 180-200 ℃ promptly makes finished product.

The manufacture method of described packing container, wherein this one-shot forming step and post forming step also can be merged into a step.

The manufacture method of described packing container is characterized in that: wherein this making sheet step is for making a sheet book layer earlier, and this sheet is thin through one group of folded operation, forms the folded thin layer group of most groups.

The manufacture method of described packing container is characterized in that: wherein the table of this surface treatment step lacquer is a kind of nontoxic, edibility and the protective paint that is easy to degrade.

The manufacture method of described packing container is characterized in that: wherein after this post forming program again through one the typing step, but also the two is merged into a step.

The manufacture method of described packing container is characterized in that, wherein this making sheet step directly forms the raw material of whipping step the plate body shape naturally and enters the one-shot forming step.

Effect of the present invention is:

The present invention utilizes the husk the like waste to be raw material, after pulverizing, stirring, making sheet, and folded, make its institute's bending that causes fracture breach when the one-shot forming punching press with the group of loose type, step heating through post forming punching press, typing punching press and moment is able to complete benefit and closes; And complete container model and surface treated japanning and drying program make splendid attire warm liquid when the dried container of japanning grow (about 2-40 of time hour, coat with lacquer thickness and warm temperature controlled according to table), and reach the stage of practicality fully; The present invention's " manufacture method of packing container " has following advantage at least:

The shortcoming of the general liquid food of splendid attire when 1, manufacture method of the present invention can solve the made packing container of husk and can't grow, and can be applied to the packing container of liquid food and other foods.

2, manufacture method of the present invention can solve the problem that the husk powder can't moulding really, and can produce complete packing container.

3, the packing container made of the present invention is when being used in the food splendid attire, can Yin Gaowen and produce toxin, and abandon after using up and be easy to incineration process or in nature, be degraded and can meet environmental protection requirement.

4, the packing container water soluble made of the present invention is handled easyly, can not become the rubbish of permanent difficultyization as plastic packaging containers.

5, the packing container made of the present invention can decompose voluntarily fully if after the fracture, can enter moisture content by the parting place.

Figure 1 shows that manufacturing flow chart of the present invention;

Figure 2 shows that manufacturing scheme drawing of the present invention;

Fig. 3-Fig. 5 is a punching course scheme drawing of the present invention;

Figure 6 shows that another scheme drawing of making sheet program of the present invention;

See also Fig. 1, Fig. 2, the manufacture method of packing container of the present invention, its step include a pulverizing 20, stirring 30, making sheet 40, one-shot forming 50, post forming 60, typing 70, drying 80, surface treatment 90 and dry 100 substantially; Wherein raw material 10 (for husk) is inserted and be ground into powdery in the comminutor 21, and the rice husk powder of this powdery also can be according to the in addition classification of its granularity, to make the packing container of different brackets with demand; And above-mentioned this rice husk powder adds the food sticker of about 12%-8% with the ratio of the about 88-92% of weight ratio and mixes in puddle mixer 31, this food sticker is a kind of edibility, non-poisonous sticker, and injects steam and with the about 71b/cm of pressure when stirring ²The controlled condition that reaches suitable rotating speed stirs again, and makes rice husk powder become uniform magma to stir material 32 (being the half-blank raw material).

This stirring material 32 is sent into a material collecting tank 41, program with pending making sheet 40, these material collecting tank 41 root edges are provided with pressure roller group 42 and load-transfer device 43, to stir material 32 and carry out roll-in and roll skin and make into a continuous shape and stir material thin slice 320 (about 0.7mm), this stirrings material thin slice 320 will deliver into a combiner 44 and expect that so that the folded groups that form loose shape of 320 groups of the stirring material thin slices of four layers (or multilayers) are folded 321 also export approximately.

The folded material 321 of continuous loose shape group will enter the step of one-shot forming 50, and by the set of molds place, be liquidated mutually by the feature die 51,52 of one group of upper and lower combination, and stamping pressure is about 150-180kg/cm ²So that the folded material 321 of group is gone out container model 322 one time, please consult Fig. 3-Fig. 5 simultaneously, because of this husk raw material 10 fibre-bearing hardly, so when the one-shot forming punching press, group is folded expects 321 in the turnover sheet 521 of master mold 52,522 fracture breach 3221 will occur, 3222, only

part

3223,3224 form binding, and a container model 322 that is the flanging fracture carries out post forming 60 steps again, be to utilize the knockout pin 520 of master mold 52 to deliver to the public affairs of post forming, master mold 61,62 places carry out punching press and moment heat (about 100 ℃) simultaneously again, make into a complete container model 323, and expect that because of this group is folded 32 is with loose shape setting, make turning point 621 at master mold 62,622 when carrying out the post forming punching press, and the folded material of its loose shape group has the effect of complementary filling, and makes the turn end 3231 of container model 323,3232 form binding.

See also Fig. 6, be another embodiment of these making sheet 40 programs, the stirring material 32 of 41 infeed conveyor belts 43 of this material collecting tank can be a thick plate-like, and it can directly enter the step of one-shot forming 50 without roll-in, and its purpose is for making the long packing container of depth.

And the packing container model 323 of moulding just is flexible and the suitable intensity of tool not, so need enter the step of typing 70 again, be utilize the knockout pin 620 of master mold 62 delivered to type male and female mould 71,72 places and simultaneously moment heat (about 100 ℃) with the punching press of finalizing the design, make to strengthen its bulk strength.

The complete container model 323 in typing back carries out dry 80 program again, is carry out air dehydration (the about 60-80 of temperature ℃) with load-transfer device 81 tractions and with heat baking device 82; And dried container model 323 enters surface treatment 90 steps again, handle and in surface treating machine 91, carry out application table lacquer, this table lacquer is a kind of nontoxic, edibility protective paint, handle 100 and row is dry again after packing container 323 surface treatments, and heat baking device 101 is with about 180-200 ℃ temperature drying and packaging container 323, and makes the packing container finished product 110 of a sheet material body shape.

Claims

1, a kind of manufacture method of packing container is characterized in that: comprise the steps:

F. dry: as to carry out drying, temperature 60-80 ℃ with heat baking device;

2, the manufacture method of packing container as claimed in claim 1 is characterized in that: this one-shot forming step and post forming step are merged into a step.

3, the manufacture method of packing container as claimed in claim 1 is characterized in that: wherein this making sheet step is for making a sheet book layer earlier, and this sheet is thin through one group of folded operation, forms the folded thin layer group of most groups.

4, the manufacture method of packing container as claimed in claim 1 is characterized in that: wherein the table of this surface treatment step lacquer is a kind of nontoxic, edibility and the protective paint that is easy to degrade.

5, the manufacture method of packing container as claimed in claim 2 is characterized in that: wherein after this post forming program again through one the typing step, but also the two is merged into a step.

6, the manufacture method of packing container as claimed in claim 1 is characterized in that, wherein this making sheet step directly forms the raw material of whipping step the plate body shape naturally and enters the one-shot forming step.