CN1453191A

CN1453191A - Thermosol container and its making process

Info

Publication number: CN1453191A
Application number: CN 02117132
Authority: CN
Inventors: 游志聪
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-04-23
Filing date: 2002-04-23
Publication date: 2003-11-05

Abstract

The container is produced through the steps of heating plastic film to soften, making the plastic film contact with mold closely through pumping out air from between the plastic film and the mold, cooling to set, separating the set plastic film from the mold and final automatic cutting. The present invention has high production efficiency, high material utilization and environment protecting effect.

Description

Thermosol container and preparation method thereof

Technical field

The present invention relates to a kind of manufacture technology field of thermosol container, it is to utilize the mode of thermoplastic and vacuum forming.

Background technology

Usually, thermosol be a kind of stickiness extremely strong stick together material, it is solid-state shape when normal temperature, then liquid state during high temperature, very convenient user's storage and transporting, so it is applied on the various industries widely, because thermosol has above-mentioned characteristic, so the container that is used to pack thermosol also need meet the characteristic demand of thermosol when making, for example its must be high temperature resistant to about 130 ℃ and unlikely distortion is damaged; The container need when being cooled to solid shape again, need easily the thermosol blob of viscose to be taken out, so can slightly be kept solid shape.

Therefore in order to meet above-mentioned two important documents, general traditional plastic raw materials also can't reach its high temperature requirement, and the PE film can't effectively be kept the shape of container, and it is only applicable to the inner investment cover, so present modal thermosol container is based on paper-made vessel; The making of paper-made vessel as shown in Figure 1, cuts into specific formation with cardboard 10 earlier, and on cardboard 10, attach resistant to elevated temperatures film 20, container-like manually cardboard 10 is converted into along folding line more at last, and fix with staple on four limits, and form as shown in Figure 2 thermosol container.

The thermosol container of above-mentioned conventional paper is in using and make numerous problem that has: at first the thermosol container demand of every month various specification is about 800 ten thousand, for non-automaticization of carton production commonly used, also need artificial folding and bookbinding, therefore quite consuming time, and speed of production is slow, and cost of labor also exceeds a lot; Moreover container belongs to consumable store, can only use once (when taking thermosol, need tear container and container and thermosol could be peeled off), because the Main Ingredients and Appearance of cardboard is a wood materials, so for earth resources, be a no small burden.

By above-mentioned explanation as can be known, no matter the thermosol container of conventional paper is on making or using, have respectively make consuming time, output is little, cost is high and destroy problem such as environment, therefore the thermosol container of how developing that a kind of manufacturing speed is fast, cost is low and can reducing environmental disruption has its necessity really, with this Industrial economic benefit of further enhancement.

The inventor deeply inquires at the problem of traditional hot collosol container; and according to the characteristic and the demand of above-mentioned thermosol packing; actively seek the scheme that solves; study and study through long-term endeavour; finally success develops a kind of thermosol container and preparation method thereof; to quicken the manufacturing speed of thermosol container, to reach cost-cutting and protection environment equivalence energy.

Summary of the invention

The object of the present invention is to provide and a kind ofly be convenient to make and thermosol container that cost is low and preparation method thereof, make plastic sheeting can on mould, form the thermosol container of relative shape, improve existing thermosol container made of paper and make problems such as inconvenience, cost height, further promote its economic benefit.

For achieving the above object, the technical solution used in the present invention is as follows:

A kind of thermosol container, this thermosol container is by the made plastic sheeting of resistant to elevated temperatures plastic material, through release processing, make the thermosol container of moulding in the vacuum forming mode, this thermosol container periphery has the concavo-convex rib line of serial vertical, thermosol container both sides apical margin has for the otch that uses the usefulness of tearing thermosol container, and resistant to elevated temperatures plastic raw material can be materials such as PP, PS, HIPS, PVC or PET.

Steps such as a kind of method for making of thermosol container, the method for making of this thermosol container comprise charging, heating, attach, vacuumize, separate and cut:

Charging: plastic sheeting is delivered between a mould and the temperature booster;

Heating: activate temperature booster plastic sheeting is heated, make plastic sheeting softening;

Attach: make plastic sheeting be attached at die surface;

Vacuumize: with the air extraction between plastic sheeting and die surface, make plastic sheeting can fit in die surface fully with the technology of vacuumizing;

Separate: after treating the plastic sheeting cooling curing, utilize the air blowing technology that plastic sheeting is separated by die surface;

Cut: each thermosol container is cut one by one, form complete thermosol container.

When cutting, and form for tearing the otch of usefulness, form fin on the mould, form the concavo-convex rib line of vertical for the container periphery in the container both sides.

Beneficial effect of the present invention is the plastic sheeting thermoplastic, and itself and mould are fitted, simultaneously the air between plastic sheeting and mould is detached, make plastic sheeting fit in die surface fully, behind over cooling, finalizing the design, make the plastic sheeting and the mold separation of moulding at last, and through cutting the formation thermosol container automatically; Can improve existing thermosol container made of paper and make problems such as inconvenience, cost height, and reach the purpose that promotes production efficiency and economic benefit.

Description of drawings

(1) graphic explanation

Fig. 1: be the plane outspread drawing of existing thermosol container made of paper.

Fig. 2: be the stereo appearance figure of existing thermosol container made of paper.

Fig. 3: be making diagram of circuit of the present invention, make the method and the step of thermosol container in order to explanation.

Fig. 4: be the process and the aspect of heating steps of the present invention.

Fig. 5: the process and the aspect that attach step for the present invention.

Fig. 6: the process and the aspect that vacuumize step for the present invention.

Fig. 7: be the process and the aspect of separating step of the present invention.

Fig. 8: be the three-dimensional appearance scheme drawing of thermosol container of the present invention.

(2) figure number explanation

(10) cardboard (20) film

(50) plastic sheeting (60) mould

(61) fin (62) guide hole

(65) temperature booster

(70) the concavo-convex rib line of thermosol container (71)

(72) otch (75) PE film

(A) charging (B) heating

(C) attaching (D) vacuumizes

(E) separating (F) cuts

The specific embodiment

In order to allow your juror can further understand formation of the present invention, feature and other purpose, below exemplify a preferred embodiment, and cooperate graphic and figure number detailed description as back:

The present invention a kind ofly makes making easier, and thermosol container that cost of manufacture is low and preparation method thereof, as shown in Figure 3, this thermosol container 70 is mainly made web-like plastic sheeting 50 with resistant to elevated temperatures plastic raw material, this resistant to elevated temperatures plastic raw material can be PP, PS, HIPS, material such as PVC or PET, be good wherein with non-staining PP material, again this plastic sheeting 50 have high temperature resistant 140 ℃ and easily and thermosol characteristic such as peel off, and via charging A, heating B, attach C, vacuumize D, after separating E and cutting step such as F, make plastic sheeting 50 moulding thermosol container 70 as shown in Figure 8, conveniently to be used for ccontaining thermosol, next describe in detail at above steps as after; Wherein:

Charging A: plastic sheeting 50 is rolled into web-like, to make things convenient for machinery and equipment plastic sheeting 50 is delivered between mould 60 and the temperature booster 65;

Heating B: as shown in Figure 4, when plastic sheeting 50 behind charging A location, activate 65 pairs of plastic sheetings 50 of temperature booster and heat, make plastic sheeting 50 softening, be easy to the formation of different shape;

Attach C: as shown in Figure 5, after plastic sheeting 50 is subjected to thermal softening, plastic sheeting 50 is attached at mould 60 surfaces of tool fin 61, allows plastic sheeting 50 can form predetermined shape;

Vacuumize D: as shown in Figure 6,, activate the D equipment that vacuumizes, the air between plastic sheeting 50 and mould 60 surfaces is extracted out by guide hole 62, make plastic sheeting 50 can fit in mould 60 surfaces fully when plastic sheeting 50 attaches C behind mould 60 surfaces;

Separate E: as shown in Figure 7, after D to be vacuumized finishes, close temperature booster 65, make plastic sheeting 50 cooling curings, after plastic sheeting 50 is cooled to predetermined temperature, then be blown into air by mould 60 guide holes 62, by mould 60 surface isolation, will form a series of thermosol container 70 on plastic sheeting 50 volumes this moment with plastic sheeting 50;

Cut F: then and utilize automatic equipment that each thermosol container 70 is cut F one by one and get off, when cutting F and in thermosol container 70 both sides, form for tearing the otch 72 of usefulness, form complete thermosol container 70, and thermosol container 70 peripheries also form the concavo-convex rib line 71 of serial vertical, make the cooresponding support of thermosol container 70 periphery tools, avoid thermosol container 70 in ccontaining thermosol process, to subside;

And thermosol container 70 is in use, in the molten direct injection thermosol container 70 of hot glue, at last again with a PE film 75 sealing labels in end face, reach the packing thermosol purpose, as shown in Figure 8.

At least has following function and effectiveness by the formed thermosol container 70 of above-mentioned method for making; As:

1, speed of production is fast: the present invention utilizes automatic moulding machine with the plastic sheeting 50 of rolling, and a series of automatic moulding is exempted the inconvenience that artificial folding binding is caused fully, and manufacturing speed is exceedingly fast, the height that production efficiency is next far beyond traditional carton.

2, cost is low: but the present invention's automatic moulding, and the raw material that is adopted is obtained container, price is low, therefore no matter from artificial or raw material or be processed into originally, cost of manufacture of the present invention is far below tradition, moreover the lifting of output, but the expenditure of overhead cost more, so the present invention has the effect of cost-cutting.

3, easy to use: when thermosol container 70 uses, only need directly to be torn by otch 72 to get final product, need not disassemble container, by contrast, the present invention has the usefulness of promoting ease of use.

4, reduce environmental disruption: by design of the present invention, can significantly reduce the utilization of cardboard, so do not need to increase the extra wood of drawing, the resource of so can preserving our planet is not destroyed, and reaches the purpose of protection environment yet.

Conclude above-mentioned explanation, the present invention can effectively solve the problem that existing thermosol container made of paper faces, simultaneously Have above-mentioned numerous usefulness and practical value.

Claims

1, a kind of thermosol container, it is characterized in that this thermosol container is by the made plastic sheeting of resistant to elevated temperatures plastic material, through release processing, make the thermosol container of moulding in the vacuum forming mode, this thermosol container periphery has the concavo-convex rib line of serial vertical.

2, thermosol container according to claim 1 is characterized in that, thermosol container both sides apical margin has for the otch that uses the usefulness of tearing thermosol container.

3, according to claim 1 or 2 described thermosol containers, it is characterized in that resistant to elevated temperatures plastic raw material can be materials such as PP, PS, HIPS, PVC or PET.

Steps such as 4, a kind of method for making of thermosol container, the method for making of this thermosol container comprise charging, heating, attach, vacuumize, separate and cut; It is characterized in that:

Attach: make plastic sheeting be attached at die surface;

5, the method for making of thermosol container according to claim 4 is characterized in that, when cutting, and forms for tearing the otch of usefulness in the container both sides.

6, the method for making of thermosol container according to claim 4 is characterized in that, forms fin on the mould, forms the concavo-convex rib line of vertical for the container periphery.