CN211140244U

CN211140244U - Sealed closed and anti-theft box body

Info

Publication number: CN211140244U
Application number: CN201922155828.5U
Authority: CN
Inventors: 贺斌; 林学梅
Original assignee: Dongguan Yinbin Industrial Co ltd
Current assignee: Dongguan Yinbin Industrial Co ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-07-31
Anticipated expiration: 2029-12-05

Abstract

The utility model discloses a sealed closed and theftproof case box body, including the case box body, be equipped with the complex film between the upper cover of case box body and its upper inner cup, the complex film comprises OPP type stereoplasm substrate and the hot melt adhesive layer rather than bonding, the OPP type stereoplasm substrate bonds fixedly with the inboard edge of upper cover, but hot melt adhesive layer carries out point type, section formula, wave formula, and even integral multiple mode instant high temperature heat seal with the surface of upper inner cup through first sealing equipment, second sealing equipment or third sealing equipment and is connected, and the top of upper cover has two point formula broken line incisions through the punching press of pneumatic point cutting die with the just right-hand position of complex film; the utility model discloses use a special complex film, arrange the complex film in between the last top cap of case box body and the last inner cup, take the mode of multiple hot melt, can realize the heat seal between two lids fast and connect to reach the high-efficient, the closed purpose of quick seal of case box body.

Description

Sealed closed and anti-theft box body

Technical Field

The utility model relates to the field of packaging, in particular to sealed closed and theftproof case box body.

Background

The traditional box body sealing mode basically adopts box sealing glue and adhesive tape for sealing, so that the box is not environment-friendly, the sealing operation is more complicated, the cost of box sealing materials is increased, and the labor cost is also increased; even if a double-faced adhesive tape closed box body is adopted in a single box sealing mode, firstly, the requirement on the quality of the double-faced adhesive tape is very high, the imported adhesive material is more expensive, the cost burden is increased for manufacturers and consumers, particularly, the rapid development of the internet leads to the rapid blowout of the logistics express delivery industry, the white garbage (adhesive tape and double-faced adhesive tape) environment pollution caused by the packaging mode of the box body is a surprise, and then the traditional box body sealing mode can not meet the sealing requirement of the box body gradually.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealed closed and case box body of theftproof to the case box body that proposes adopts joint sealing glue and sticky tape sealing mode in solving above-mentioned background art, has also increased the problem of cost of labor when having increased joint sealing material cost.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sealed closed and case box body of theftproof, includes the case box body, be equipped with the complex film between the upper cover of case box body and its upper inner cup, the complex film comprises OPP class stereoplasm substrate and rather than the hot melt adhesive layer that bonds, but OPP class stereoplasm substrate is fixed with the inboard edge bonding of upper cover, but hot melt adhesive layer carries out point type, section formula, wave formula through first closing device, second closing device or third closing device and the surface of upper inner cup and is connected in the twinkling of an eye high temperature heat seal of integral multiple mode, just the top of upper cover has two dotted line cuts of point formula of breaking through the punching press of pneumatic point cutting die with the just locating position of complex film.

As an optimal technical scheme of the utility model, first sealing equipment is electromagnetic induction formula capper, and the inboard junction of bonding of OPP class stereoplasm substrate and last top cap has the aluminium foil substrate, but a plurality of hot-pressing welding points that hot melt adhesive layer formed through electromagnetic induction formula capper heating and the surface bonding of last inner cup are fixed.

As an optimal technical scheme of the utility model, the pneumatic heat sealing machine of second sealing equipment for installing many corners sealing knife, but hot melt adhesive layer passes the complex film and fixes the surface bonding of interlude welding point and last inner cup that forms to its heating through many corners sealing knife.

As a preferred technical scheme of the utility model, the pneumatic heat-sealing machine of third sealing equipment for installing punching press sealing knife, but hot melt adhesive layer is fixed through many punching press sealing knife punching press complex film and to its surface bonding of the welding point that punches a hole that the heating formed and last inner cup, and goes up the top cap and is equipped with the sticker to locating the position subsides of welding point that punches a hole.

As an optimized technical scheme of the utility model, the edge of going up the top cap is equipped with the folded piece of outside extension, and the complex film bonds in the inboard of interior folded piece to with the outside high temperature heat seal in the twinkling of an eye of box body.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a sealed closed and case body of theftproof has following beneficial effect:

1) the composite film is arranged between the upper top cover and the upper inner cover of the box body by using a special composite film, and the heat sealing connection between the two cover bodies can be quickly realized by adopting a plurality of hot melting modes, so that the aims of high efficiency and quick sealing closure of the box body are fulfilled;

2) need not any instrument when the case box body is opened, tear the mouth through two dotted line incisions of point-break type on last top cap surface formation, fast enough convenient opening case box body.

3) The box body is sealed and closed without using a box sealing adhesive and a double-sided adhesive tape, and the box body can be sealed and closed mechanically, so that the box is environment-friendly, efficient, economic and antitheft.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the composite membrane of the present invention;

FIG. 3 is a schematic view of a dotted line cut of the utility model;

fig. 4 is one of the schematic structural diagrams of embodiment 1 of the present invention;

fig. 5 is a second schematic structural view of embodiment 1 of the present invention;

fig. 6 is one of the schematic structural diagrams of embodiment 2 of the present invention;

fig. 7 is a second schematic structural view of embodiment 2 of the present invention;

fig. 8 is one of the schematic structural diagrams of embodiment 3 of the present invention;

fig. 9 is a second schematic structural view of embodiment 3 of the present invention;

FIG. 10 is the structure of embodiment 4 of the present invention;

fig. 11 is a schematic structural diagram of embodiment 5 of the present invention.

In the figure: 1. a box body; 2. a top cover is arranged; 3. an upper inner cover; 4. compounding film; 41. an OPP-based hard base material; 42. a hot-fusible adhesive layer; 5. a dotted line cut; 6. a first sealing device; 7. a second sealing device; 8. a third sealing device; 9. hot pressing the welding point; 10. punching a welding point; 11. inserting welding points; 12. an aluminum foil substrate; 13. and (6) pasting a paper.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Please refer to fig. 1-5, the utility model provides a sealed closed and theftproof case box body, including case box body 1, be equipped with complex film 4 between case box body 1's last top cap 2 and the last inner cup 3 thereon, complex film 4 comprises OPP type stereoplasm substrate 41 and rather than the hot melt adhesive layer 42 that bonds, OPP type stereoplasm substrate 41 is fixed with the inboard edge bonding of last top cap 2, but hot melt adhesive layer 42 carries out point formula, section formula, wave formula, and even integral multiple mode high temperature heat seal in the twinkling of an eye through the surface of first closing equipment 6 and last inner cup 3 is connected, and the top of going up top cap 2 and the just right department position of complex film 4 have two dotted line incisions 5 of point formula absolutely 5 through pneumatic point die punching press, first closing equipment 6 is electromagnetic induction formula capper, and there is aluminium foil 12 in the inboard bonding department of OPP type stereoplasm substrate 41 and last top cap 2, but hot melt adhesive layer 42 passes through the hot pressing welding point 9 that electromagnetic induction formula capper heating formed and the table of last inner cup 3 And (5) bonding and fixing the surfaces.

Specifically, the method comprises the following steps:

the method comprises the following specific steps:

① composite film 4 selection:

a soft composite film 4 which can be melted and bonded at high temperature is used, the composite film 4 is a composite film base material formed by bonding a hot melt adhesive and a PET/OPP film, and when the composite film 4 and the surface of the upper inner cover 3 need to be bonded and fixed in an electromagnetic heating mode, a layer of aluminum foil base material 12 needs to be added on the surface of the OPP hard base material 41;

② the composite film 4 is bonded with the box body 1:

pasting the selected composite film 4 at the bottom of the upper top cover 2 of the box body 1 through box body machine packaging equipment, wherein the distance between the composite film 4 and the edge of the upper top cover 2 is preferably about 1 cm;

③ processing dotted line cut 5

The method is characterized in that a blade is inlaid in a template to manufacture a pneumatic point breaking cutting die, the pneumatic point breaking cutting die is utilized to punch two point breaking type dotted line notches 5 on the outermost layer of an upper top cover 2 and along the parallel edges of a composite film 4, or the pneumatic point breaking cutting die and a box body forming cutting die are used to integrally punch the upper top cover 2 of a box body 1, the upper top cover 2 and the point breaking type dotted line notches 5 are synchronously processed, the upper top cover 2 is ensured not to be broken while the attractiveness of the box body 1 is not influenced, and the upper top cover 2 between the two point breaking type dotted line notches 5 is convenient to tear;

④ high temperature heat sealing by instant heat sealing method

The instant high-temperature heat sealing is carried out on the surface of the composite film 4 and the surface of the upper inner cover 3 by using an instant heat sealing method, and the operation is as follows: the first sealing device 6 of the electromagnetic induction type sealing machine is adopted, meanwhile, a layer of aluminum foil base material 12 needs to be adhered to the bonding position of the OPP hard base material 41 and the inner side of the upper top cover 2, the upper top cover 2 and the upper inner cover 3 are closed, the principle that eddy current magnetic field is generated when electromagnetism is close to aluminum foil material is utilized, so that the aluminum foil material is heated instantly to achieve the magnetic-thermal conversion, the generated heat melts the hot-melt adhesive layer 42 of the composite film 4 to form a plurality of hot-press welding points 9, and is connected with the surface of the upper inner cover 3 in a heat seal way to complete the upper top cover 2 and the upper inner cover 3, thus achieving the purpose of sealing and closing the box body 1, not only not damaging the appearance of the box body, but also realizing the effective fusion of the hot-melt adhesive layer 42 and the upper inner cover 3, alternatively, the heat sealing may be performed by an ultrasonic machine or a high frequency machine, and the box body 1 may be sealed without damaging the box body 1.

Example 2

Referring to fig. 6-7, the present invention provides a sealed and anti-theft case, which comprises a case body 1, a composite film 4 is disposed between an upper top cover 2 of the case body 1 and an upper inner cover 3 thereof, the composite film 4 is composed of an OPP type hard substrate 41 and a hot melt adhesive layer 42 bonded thereto, the OPP type hard substrate 41 is bonded and fixed to the inner side edge of the upper top cover 2, the hot melt adhesive layer 42 is instantly connected with the surface of the upper inner cover 3 in a dot type, section type, wave type or even integral type multi-mode high-temperature heat seal way through the second sealing device 7, two point-breaking dotted line notches 5 are punched at the position, right opposite to the composite film 4, of the top of the upper top cover 2 through a pneumatic point-breaking knife die, the second sealing device 7 is a pneumatic heat sealing machine provided with a polygonal heat sealing knife, the hot-melt adhesive layer 42 is adhered and fixed with the surface of the upper inner cover 3 through the penetration welding point 11 formed by the heat sealing knife at the polygon corner through the composite film 4 and heating the composite film.

Specifically, the method comprises the following steps:

steps

①, ②, and ③ described in example 1 are consistent with

steps

①, ②, and ③ of the present example;

④ high-temperature heat sealing by puncture sealing method

By utilizing a puncture heat sealing method, the composite film 4 and the surface of the upper inner cover 3 are subjected to instant high-temperature heat sealing, and the method has the following specific operations: the second sealing device 7 of the pneumatic heat sealing machine provided with the polygonal heat sealing knife is adopted to close the upper top cover 2 and the upper inner cover 3, the polygonal heat sealing knife of the pneumatic heat sealing machine penetrates through the upper top cover 2 to punch the composite film 4 to break polygonal hole positions, the hot-melt adhesive layer 42 of the composite film 4 is melted at the high temperature of the polygonal heat sealing knife, and the formed interpenetration welding point 11 is bonded with the surface of the upper inner cover 3 in a heat sealing way, so that the purpose of sealing and closing the box body 1 is achieved, and the description is as follows: the more the cutting edges of the multi-corner heat sealing knife are, the better heat sealing effect of the hot melt adhesive layer 42 and the upper inner cover 3 can be ensured, meanwhile, the heat sealing method has no obvious influence on the appearance of the box body 1, and the formed puncture holes can be basically ignored.

Example 3

Referring to fig. 8-9, the present invention provides a sealed and anti-theft case, comprising a case body 1, a composite film 4 is disposed between an upper top cover 2 of the case body 1 and an upper inner cover 3 thereof, the composite film 4 is composed of an OPP type hard substrate 41 and a hot-melt adhesive layer 42 bonded thereto, the OPP type hard substrate 41 is bonded and fixed to the inner side edge of the upper top cover 2, the hot-melt adhesive layer 42 is connected to the surface of the upper inner cover 3 by a plurality of modes, i.e. point type, section type, wave type, or even integral type, instantly high temperature hot-sealing, two dotted line cuts 5 are punched at the position where the top of the upper top cover 2 is directly opposite to the composite film 4 by a pneumatic point-cutting die, the third sealing device 8 is a pneumatic heat sealing machine equipped with a punching heat-sealing knife, the hot-melt adhesive layer 42 is bonded and fixed to the surface of the upper inner cover 3 by punching a punching welding point 10 formed by punching the composite film 4 by a plurality of punching knives and heating, and a sticker 13 is pasted at the position opposite to the punching welding point 10 of the upper top cover 2.

Example 4

Referring to fig. 10, the present invention provides a sealed and anti-theft box, including a box body 1, the edge of the top cover 2 is provided with a folded piece extending outwards, the composite film 4 is bonded on the inner side of the folded piece, and is hot-sealed with the outer side of the box body 1 at the moment, two dotted line cuts 5 are processed on the folded piece, the composite film 4 is bonded on the inner side of the folded piece, and the hot-fusible adhesive layer 42 and the box body 1 can be hot-sealed at the moment by adopting various heat sealing methods.

Example 5

Please refer to fig. 11, the box body 1 of the present invention can adopt a top-bottom box form, and the composite film 4 is attached to the inner side of the upper box body, when the box body 1 needs to be sealed tightly, the upper box body and the lower box body are connected in a sleeving manner, the composite film 4 also adopts an instant thermal method, a piercing thermal method or a piercing thermal method to make the surface of the hot-melt adhesive layer 42 and the surface of the lower box body perform point type, segment type, wave type, and even integral type multiple mode instant high temperature thermal sealing, so as to realize the sealing closure of the top-bottom box type box body 1.

Specifically, the method comprises the following steps:

steps

①, ②, and ③ described in example 1 also correspond to

steps

①, ②, and ③ of the present example;

④ high temperature heat sealing by perforation heat sealing method

By using a perforation heat sealing method, the composite film 4 and the surface of the upper inner cover 3 are subjected to instant high-temperature heat sealing, and the operation is as follows: the third seal equipment 8 of pneumatic heat-sealing machine of adoption for installing punching press sealing knife closes top cap 2 and last inner cup 3, and the punching press sealing knife that utilizes pneumatic heat-sealing machine passes top cap 2 and the 4 punching press of complex film and is interrupted the hole site, but lets the heat formation welding point 10 that punches a hole of hot melt adhesive layer 42 of complex film 4 produced through punching press sealing knife to bond with the surface heat seal of last inner cup 3, thereby reach the sealed closed purpose of 1 box body, should supply the explanation to be: after the pneumatic heat sealing machine punches a hole on the surface of the upper top cover 2 by using the punching heat sealing knife, a high-frequency machine or an ultrasonic machine can be used for contacting the hot-melt adhesive layer 42 through the hole and punching downwards, so that the hot-melt adhesive layer 42 and the upper inner cover 3 are also thermally sealed, in order to ensure the attractiveness of sealing the upper top cover 2 and the upper inner cover 3 in a punching heat sealing mode, the sticker 13 can be pasted at the punching position of the upper top cover 2, and the punched hole is shielded.

It should also be noted that: foretell 1 heat seal closed mode of many case box bodies can machine automated processing, also can manual formula machinery punching press, automatic punching press of electrodynamic type, semi-automatic formula automatic punching press and processing mechanisms such as full-automatic punching press seal closed, and the closed mode of 1 heat seal closed of multiple case box body can be chooseed for use in a flexible way in actual production, reduces packaging cost.

The box body 1 can be opened quickly, and as mentioned above, the upper top cover 2 at the position of the two point-breaking type dotted line notches 5 is torn to break the upper top cover 2, so that the box body 1 can be opened easily without using any foreign objects. This mode of sealed closed type not only saves joint sealing sticky tape cost, more can reject the double faced adhesive tape, and the sealed effect of complex film 4 is durable more reliable, and the use amount is few moreover, and low cost is high-efficient promptly, environmental protection again, and is more economical, satisfies the production demand of multiple packaging mode, and of course, this sealed closed method of case and box body 1 also not only restricts to paper packing carton sealed.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A sealed closed and anti-theft box body, which comprises a box body (1) and is characterized in that, a composite film (4) is arranged between the upper top cover (2) of the box body (1) and the upper inner cover (3), the composite film (4) consists of an OPP hard base material (41) and a hot-melt adhesive layer (42) bonded with the OPP hard base material, the OPP hard base material (41) is bonded and fixed with the inner side edge of the upper top cover (2), the hot-melting adhesive layer (42) is instantly connected with the surface of the upper inner cover (3) in a dot mode, a section mode, a wave mode or even an integral mode at high temperature in a hot sealing mode through a first sealing device (6), a second sealing device (7) or a third sealing device (8), and two point-breaking dotted line notches (5) are punched at the position, right opposite to the composite membrane (4), of the top of the upper top cover (2) through a pneumatic point-breaking cutting die.

2. A hermetically closed and tamper resistant case as claimed in claim 1, wherein: first sealing equipment (6) are electromagnetic induction formula capper, and the inboard junction of OPP type stereoplasm substrate (41) and last top cap (2) bonds and has aluminium foil substrate (12), but hot melt adhesive layer (42) are fixed with the surface bonding of last inner cup (3) through a plurality of hot pressing welding point (9) of electromagnetic induction formula capper heating formation.

3. A hermetically closed and tamper resistant case as claimed in claim 1, wherein: the second sealing equipment (7) is a pneumatic heat sealing machine provided with a multi-corner heat sealing knife, and the hot-fusible adhesive layer (42) penetrates through the composite film (4) through the multi-corner heat sealing knife and is fixedly bonded with the surface of the upper inner cover (3) through an interpenetration welding point (11) formed by heating the composite film.

4. A hermetically closed and tamper resistant case as claimed in claim 1, wherein: the third sealing equipment (8) is a pneumatic heat sealing machine provided with a stamping heat sealing knife, the hot-melt adhesive layer (42) is formed by stamping the composite film (4) through multiple stamping heat sealing knives and heating the composite film to form a punching welding point (10) which is fixedly bonded with the surface of the upper inner cover (3), and a sticker (13) is attached to the position, right opposite to the punching welding point (10), of the upper top cover (2).

5. A hermetically closed and tamper resistant case as claimed in claim 1, wherein: the edge of the upper top cover (2) is provided with a folded piece extending outwards, and the composite film (4) is adhered to the inner side of the inner folded piece and is instantaneously thermally sealed with the outer side of the box body (1) at high temperature.