CN217865111U - Heat-sealing edge die - Google Patents

Abstract

A heat-sealing edge mold comprises two mutually matched templates, wherein one template is provided with a plurality of holes, and the other template is a backing plate; or a plurality of holes are arranged at corresponding positions of the two templates, and the width d of the edge of each hole from the outer edge of each template is not less than 1mm. The mould is adopted to carry out hot edge sealing on a packaging bag, a plastic box or a plastic bowl to form a discontinuous heat-sealing frame, the discontinuous heat-sealing frame is a gas release port, partial edge sealing is carried out, the integral bonding strength is strong, when microwave or steam heating is carried out to reach a certain pressure, steam breaks through the discontinuous heat-sealing frame to obtain pressure release, and therefore pressure balance is achieved, the potential safety hazard that the conventional packaging is fried in microwave heating and steam heating is avoided, the product flavor is ensured, the use convenience of the product is improved, and the problem that the product quality is low due to the fact that the opening is broken under the influence of natural external force in a non-heating state is also avoided.

Description

Heat-sealing edge die

Technical Field

The utility model belongs to an encapsulation mould, concretely relates to microwave heating or steam heating are with food package's heat-seal limit mould.

Background

Along with the improvement of the living standard of people, the transformation of consumption concept, prefabricated cooked food class product is because of advantages such as convenient, health are extensively accepted, are popularized by the consumer, and this kind of product generally adopts packing such as wrapping bag, plastic box, plastic bowl, and the heat-seal width of conventional packing is even continuous, and the heat-seal department is heated unanimously under conditions such as microwave heating, steam heating, and steam can't break the heat-seal layer, and the long-time direct heating easily produces the potential safety hazard of fried package. In order to avoid this problem, the package is opened before heating, but heating after opening is likely to evaporate moisture of the food to dry, harden, lose the taste, and cause taint of taste. In order to solve the problem of heating and eating of the products, the invention provides novel packaging which can resist microwave heating, steam heating and the like.

There is a heat-seal limit device for microwave oven food package bag of application number 201921442397.4 among the prior art, including cope match-plate pattern and lower bolster, install the polytetrafluoroethylene pressure pad in the recess on cope match-plate pattern surface, polytetrafluoroethylene's heat-conduction effect does not have cope match-plate pattern heat-conduction effect good, consequently, the bonding strength that the pressure pad position corresponds the department is less than other positions to form the venthole, prevent the explosion.

The application number is 200620155720.6 a heat sealing edge device for a microwave oven food packaging bag, also comprises an upper template and a lower template, a notch transversely penetrating through the plane is arranged on the bottom plane of the upper template, a pressure pad parallel and level to the bottom plane is arranged in the notch, the heat conduction coefficient of the pressure pad is smaller than that of an upper template body material, therefore, the bonding strength of a molten plastic film corresponding to the pressure pad is smaller than that of the molten plastic film at the upper template body, and a gas safety release port formed on the packaging bag penetrates through a heat sealing plastic film heat sealing frame.

The two heat sealing edge devices utilize different heat conduction materials, so that the bonding strength of the gas safety release opening formed by heat sealing of the packaging bag is smaller than that of the heat sealing frames at other positions. The bonding strength of the gas safety release port is low, so that the gas safety release port is easy to be broken by the influence of natural external force in a non-heating state, and the product quality is difficult to ensure.

Disclosure of Invention

The utility model discloses a realize being used for the non-continuous even heat-seal of microwave heating food package, provide a heat-seal limit mould.

The object of the invention is achieved in the following way:

a heat-sealing edge mould comprises two mutually matched templates, wherein a plurality of holes are arranged on one template, and a backing plate is arranged on the other template; or a plurality of holes are arranged at the corresponding positions of the two templates, and the width d of the edge of each hole from the outer edge of each template is not less than 1mm.

The number of the holes is two.

The template is round, long-strip or oval.

The shape of the hole is arc-shaped or long-strip-shaped.

Compared with the prior art, the utility model discloses a heat-seal side mould, moreover, the steam generator is simple in structure, adopt this mould to wrapping bag, plastic case or plastic bowl carry out the heat banding, form discontinuous heat-seal frame, and discontinuous heat-seal frame part is the gas release mouth, the partial banding, overall bonding strength is stronger, when carrying out microwave or steam heating and reaching certain pressure, steam breaks discontinuous heat-seal frame, obtain pressure release, thereby reach pressure balance, both avoided conventional packing at microwave heating, steam heating takes place the potential safety hazard of deep-fry package, the product flavor has been ensured again, and the use convenience of product has been increased, still avoided under the non-heating state to take place by the problem that the product quality that the broken mouth leads to is low by the influence of natural external force.

Drawings

FIG. 1 is a first schematic view of a circular or elliptical template.

FIG. 2 is a second schematic view of a circular or oval template.

Fig. 3 is a third schematic view of a circular or elliptical template.

Fig. 4 is a first schematic view of the strip-shaped template.

Fig. 5 is a second schematic view of the strip-shaped form.

Fig. 6 is a third schematic view of the strip-shaped template.

Fig. 7 is a schematic view showing a structure of a packaging bag (box) having a gas discharge port.

FIG. 8 is a schematic view showing the structure of a packaging bag (box) having a gas discharge port.

Fig. 9 is a schematic view of a packaging bowl containing two gas release ports.

Fig. 10 is a schematic view of a packaging bowl having three gas release ports.

Wherein, 1, a template is arranged; 2-lower template, 3-hole, 4-packaging bag (box/bowl), 5-gas release port.

Detailed Description

As shown in the figure, the heat-sealing edge die comprises an upper die plate and a lower die plate which are matched with each other, wherein a plurality of holes 3 are formed in one die plate, the other die plate is a backing plate, and the width d of the edge of each hole 3 from the outer edge of the corresponding die plate is not less than 1mm. As shown in fig. 1 and 4, the upper template 1 is provided with holes 3, the lower template 2 is not provided with holes, and the lower template 2 is a backing plate, or as shown in fig. 2 and 5, the lower template 2 is provided with holes 3, the upper template 1 is a backing plate, and the backing plate is a common plate with a smooth surface; or as shown in fig. 3 and 6, a plurality of holes 3 are arranged at the corresponding positions of the upper template and the lower template. The width d of the edge of the hole 3 from the outer edge of the template is not less than 1mm, at the moment, the packaging bag (box/bowl) 4 after heat sealing forms the gas release port 5, the outer layer of the gas release port 5 still has a sealed edge, the sealed edge strength is high, and the opening can not be broken due to the influence of external force.

As shown in fig. 1-6 and 10, there are two holes, as shown in fig. 7-8, there is one hole, and as shown in fig. 9, there are three holes. The proper number of holes is selected according to the shape and the size of the food package, so that the gas in the package is released after heating, and the risk of frying the package is reduced.

When the plastic box or the plastic bowl is heat sealed, one or more holes are reasonably arranged in the circumferential direction of the plastic box or the plastic bowl, as shown in figures 9-10.

The template is round, long-strip or oval. The shape of the template is matched with the shape of the plastic package, so that the operation of heat sealing edges is more convenient, as shown in figures 1-3, the template is round or oval, so that the round or oval plastic bowl or plastic box is conveniently subjected to heat sealing edge sealing, and as shown in figures 4-6, the template is long-strip-shaped, so that the square packaging bag is conveniently subjected to heat sealing edge sealing.

The shape of the hole 3 is circular arc or long strip, and other shapes can be designed. The existence of hole is in order to form discontinuous heat-seal frame when the heat-seal limit, and inside (being close to the inner chamber that holds of packing and being inside, keeping away from the inner chamber that holds of packing and being outside) of discontinuous heat-seal frame be the gas release mouth, outside banding, and whole bonding strength is stronger, can not easily receive the influence of external force and break a mouthful under non-heating state, and product quality is stable guaranteed.

The utility model discloses a change hot banding mould, realize the even heat-seal of discontinuity, initial stage steam produces the thermal convection when making the product microwave heating, steam heating, and even heating food when reaching certain pressure, steam breaks discontinuous heat-seal layer, obtains pressure release to reach pressure balance. Through the utility model discloses a packing that heat-seal side die heat-seal formed lets frozen food need not to unfreeze, and short-time heating such as microwave, steam can be eaten, and harmless product taste can save simultaneously and wash the process, makes things convenient for the consumer, increases new experience, caters for new era consumption demand.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the general inventive concept, and it is intended to cover all such changes and modifications as fall within the true scope of the invention.

Claims (4)

1. The utility model provides a heat-seal limit mould, includes two templates of mutually supporting, its characterized in that: one template is provided with a plurality of holes, and the other template is a backing plate; or a plurality of holes are arranged at the corresponding positions of the two templates, and the width d of the edge of each hole from the outer edge of each template is not less than 1mm.

2. A heat-seal land mold according to claim 1, wherein: the number of the holes is two.

3. The heat sealing edge die as set forth in claim 1, wherein: the template is in a circular shape, a long strip shape or an oval shape.

4. The heat sealing edge die as set forth in claim 1, wherein: the shape of the hole is arc-shaped or long-strip-shaped.

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