CN110745374A - Environment-friendly, efficient and anti-theft box body and sealing and closing method - Google Patents

Environment-friendly, efficient and anti-theft box body and sealing and closing method Download PDF

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Publication number
CN110745374A
CN110745374A CN201911232706.XA CN201911232706A CN110745374A CN 110745374 A CN110745374 A CN 110745374A CN 201911232706 A CN201911232706 A CN 201911232706A CN 110745374 A CN110745374 A CN 110745374A
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CN
China
Prior art keywords
heat
sealing film
sealing
box body
heat sealing
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Pending
Application number
CN201911232706.XA
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Chinese (zh)
Inventor
贺斌
林学梅
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Dongguan Yinbin Industrial Co Ltd
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Dongguan Yinbin Industrial Co Ltd
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Priority to CN201911232706.XA priority Critical patent/CN110745374A/en
Publication of CN110745374A publication Critical patent/CN110745374A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/10—Container closures formed after filling
    • B65D77/12—Container closures formed after filling by collapsing and flattening the mouth portion of the container and securing without folding, e.g. by pressure-sensitive adhesive, heat-sealing, welding or applying separate securing members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/22—Applying or generating heat or pressure or combinations thereof by friction or ultrasonic or high-frequency electrical means, i.e. by friction or ultrasonic or induction welding
    • B65B51/227—Applying or generating heat or pressure or combinations thereof by friction or ultrasonic or high-frequency electrical means, i.e. by friction or ultrasonic or induction welding by induction welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/18—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for making package-opening or unpacking elements
    • B65B61/184—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for making package-opening or unpacking elements by applying tabs over discharge openings, e.g. over discharge openings defined by tear or score lines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5805—Opening or contents-removing devices added or incorporated during package manufacture for tearing a side strip parallel and next to the edge, e.g. by means of a line of weakness

Abstract

The invention discloses an environment-friendly, efficient and anti-theft box body and a sealing and closing method, wherein the box body comprises a box body, a first heat-sealing film and a second heat-sealing film, the inner side of an upper top cover of the box body is bonded with the first heat-sealing film which is soft and can be melted at high temperature, the inner side of an upper inner cover of the box body is bonded with the second heat-sealing film which is symmetrically arranged with the heat-sealing film and can be subjected to heat sealing, and the second heat-sealing film is subjected to point type, section type, wave type and even integral type instant high-temperature heat sealing in various modes by an instant heat sealing method, a puncture heat sealing method or a perforation heat sealing method; the invention uses two symmetrically arranged film base materials which are respectively stuck to the sealing positions of the upper top cover and the upper inner cover of the box body needing to be closed, and can be fused in various heat sealing modes, thereby quickly achieving the purpose of sealing and closing, being economic and environment-friendly, and simultaneously avoiding the generation of white garbage such as double-sided adhesive, adhesive tapes and the like.

Description

Environment-friendly, efficient and anti-theft box body and sealing and closing method
Technical Field
The invention relates to the field of packaging, in particular to an environment-friendly, efficient and anti-theft box body and a sealing and closing method.
Background
Throughout the domestic and even international packaging markets, the box body and box body packaging products and the using method mainly relate to the box body and box body packaging products, a box sealing adhesive is basically adopted to seal the box body in the traditional method, the environment is not protected, the labor and material costs are increased, the resource waste is caused, even if a double-faced adhesive tape sealed box body is adopted in an individual case, the quality requirement on the double-faced adhesive tape is high, the imported adhesive material is expensive, the cost burden is increased for manufacturers and consumers, particularly the rapid development of the internet, the rapid blowout of the logistics express industry is caused, the high-efficiency mechanical automatic packaging mode is strongly demanded, white garbage generated by the packaging mode of the box body by adopting the double-faced adhesive tape and the adhesive tape also causes certain pollution to the environment, and the national environment protection call cannot be well responded.
Disclosure of Invention
The invention aims to provide an environment-friendly, efficient and anti-theft box body and a sealing and closing method, and aims to solve the problems that the processing mode of the existing box body sealing and closing mode of the package in the background technology is high in price, and certain pollution is caused to the environment.
In order to achieve the purpose, the invention provides the following technical scheme: the box body comprises a box body, a first heat-sealing film and a second heat-sealing film, wherein the inner side of an upper top cover of the box body is bonded with the first heat-sealing film which is soft and can be melted at high temperature, the inner side of an upper inner cover of the box body is bonded with the second heat-sealing film which is symmetrically arranged with the heat-sealing film and can be subjected to heat sealing, and the second heat-sealing film is subjected to point type, section type, wave type and even integral type instant high-temperature heat sealing in various modes through an instant heat sealing method, a puncture heat sealing method or a perforation heat sealing method.
As a preferred technical scheme of the invention, a first heating device is adopted for heating in the instant heating method, the first heating device is an electromagnetic induction type sealing machine, a first aluminum foil base material is bonded between a first heat-sealing film and an upper top cover, a second aluminum foil base material is bonded between a second heat-sealing film and an upper inner cover, and the first heat-sealing film and the second heat-sealing film of the closed box body are subjected to hot-pressing fusion through a hot-pressing welding point formed by heating of the electromagnetic induction type sealing machine.
As a preferred technical scheme of the invention, a second heating device is adopted for heating in the puncture heat sealing method, the second heating device is a pneumatic heat sealing machine provided with a multi-corner heat sealing knife, and the first heat sealing film and the second heat sealing film of the box body after being covered are subjected to hot-pressing fusion through a puncture welding point formed by heating through the multi-corner heat sealing knife.
As a preferred technical scheme of the invention, a third heating device is adopted for heating in the perforation heat sealing method, the third heating device is a pneumatic heat sealing machine provided with a stamping heat sealing knife, a first heat sealing film of the covered box body and a stamping welding point formed by heating the stamping heat sealing knife on a second heat sealing film pass are subjected to hot-pressing fusion, and a printing sticker adhered to the surface of the upper top cover is arranged at the top of the stamping welding point.
As a preferable technical scheme of the invention, the edge of the upper top cover is provided with a folding piece extending outwards, a first heat sealing film is adhered to the inner side of the folding piece, and a second heat sealing film is adhered to the top of the side of the box body and is subjected to instantaneous high-temperature heat sealing with the heat sealing film.
As a preferred technical scheme of the invention, two point-breaking dotted line notches are punched at the position, right opposite to the first heat sealing film, of the surface of the upper top cover through a pneumatic point-breaking cutting die.
A sealing and closing method for the environmentally friendly, efficient and theft-proof box body comprises the following steps:
s1, selecting materials of a first heat-sealing film and a second heat-sealing film, wherein two soft film substrates which can be melted and bonded at high temperature are used, and the substrates are selected from various types, such as: PET \ PVC, LDPE, PO, CPP, TPU, EVA, etc.;
s2, respectively sticking the selected first heat-sealing film and second heat-sealing film base materials on an upper top cover and an upper inner cover of the box body through box body machine packaging equipment, or sticking the first heat-sealing film to the inner side of the folded piece and sticking the second heat-sealing film to the top of the side of the box body, and ensuring that the first heat-sealing film is opposite to the two heat-sealing films;
s3, embedding a blade in a template to manufacture a pneumatic point breaking cutting die, and punching two point breaking type dotted line notches on the outermost layer of the upper top cover of the box body and along the parallel edge of the first heat sealing film by using the pneumatic point breaking cutting die;
and S4, carrying out instant high-temperature heat seal on the surface of the heat seal film II and the surface of the heat seal film I through an instant heat seal method, a puncture heat seal method or a perforation heat seal method, cooling and solidifying to realize the sealing of the upper top cover and the upper inner cover of the box body, and pasting a printing sticker at the punching position of the upper top cover in order to ensure the attractiveness of the sealing of the upper top cover and the upper inner cover in the perforation heat seal mode.
Compared with the prior art, the invention has the beneficial effects that: the environment-friendly, efficient and anti-theft box body and the sealing and closing method have the following beneficial effects:
1) the two symmetrically arranged film base materials are respectively stuck to the sealing positions of the upper top cover and the upper inner cover of the box body, which need to be closed, and can be fused in various heat sealing modes, so that the aim of sealing and closing is quickly fulfilled, the box is economic and environment-friendly, and white garbage such as double-sided adhesive, adhesive tapes and the like is avoided;
2) when the box is opened, no tool is needed, and a hand-tearing structure is formed on the upper top cover of the box body through the two dotted line cuts, so that the box body can be opened quickly and easily, and meanwhile, the box body cannot be opened automatically;
3) this kind of sealed closed mode does not need joint sealing glue and double faced adhesive tape, and the case box body can realize quick sealed closure, and the environmental protection is high-efficient, makes the use of case box body possess economic nature and theftproof nature simultaneously, and brings economical benefit for the user, in case put into market, market prospect is big good, can widely popularize.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of embodiment 1 of the present invention;
FIG. 3 is a second schematic structural diagram of embodiment 1 of the present invention;
FIG. 4 is a schematic structural diagram of embodiment 2 of the present invention;
FIG. 5 is a second schematic structural diagram of embodiment 2 of the present invention;
FIG. 6 is a schematic structural diagram of embodiment 3 of the present invention;
FIG. 7 is a second schematic structural diagram of embodiment 3 of the present invention;
FIG. 8 is a third schematic structural diagram according to embodiment 3 of the present invention;
FIG. 9 is a schematic structural view of embodiment 4 of the present invention;
FIG. 10 is a schematic view of a dotted line cut 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. heat-sealing the film I; 5. a second heat-sealing film; 6. a dotted line cut; 7. a first aluminum foil substrate; 8. a second aluminum foil substrate; 9. a first heating device; 10. hot pressing the welding point; 11. a second heating device; 12. puncturing a welding point; 13. a third heating device; 14. punching a welding point; 15. printing a paster.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-3, the present invention provides an environment-friendly, efficient and anti-theft box body, comprising a box body 1, a first heat-sealing film 4 and a second heat-sealing film 5, wherein the inner side of an upper top cover 2 of the box body 1 is bonded with the first heat-sealing film 4 which is soft and can be melted at a high temperature, the inner side of an upper inner cover 3 of the box body 1 is bonded with the second heat-sealing film 5 which is arranged symmetrically to the first heat-sealing film 4 and can be heat-sealed, and the second heat-sealing film 5 is subjected to point type, segment type, wave type or even integral type instant high-temperature heat sealing with the surface of the first heat-sealing film 4 by an instant heat sealing method, a puncture sealing machine, an electromagnetic induction type sealing machine is adopted for heating by the instant heat sealing method, an aluminum foil substrate 7 is bonded between the first heat-sealing film 4 and the upper top cover 2, a second aluminum foil substrate 8 is bonded between the second heat-sealing film 5 and the upper heat-sealing film, the hot-pressing welding point 10 that its heat-seal membrane 4 of the case box body 1 after the lid closed and the heat-seal membrane 5 formed through the heating of electromagnetic induction formula capper carries out hot pressing and fuses, and the surface of going up the top cap 2 has two disconnected formula dotted line incisions 6 through the punching press of pneumatic disconnected cutting die of point with the just department of heat-seal membrane 4, forms the hand through two disconnected formula dotted line incisions 6 at the last top cap 2 of case box body 1 and tears the structure for case box body 1 can easily be opened fast.
Specifically, the method comprises the following steps:
① heat-seal film one 4 and heat-seal film two 5 were selected:
two soft film substrates which can be melted and bonded at high temperature are used, and the material selection of the film substrates is also diversified, such as: PET \ PVC, LDPE, PO, CPP, TPU, EVA and the like, because the material of the film substrate has soft and hard components, the film substrate can be selected and manufactured according to different requirements of customers, and a heat sealing film I4 and a heat sealing film II 5 with proper length, width and thickness are prepared, but according to the characteristics of the materials, some materials are used after being bonded and compounded two by two, and because the heat sealing melting temperature is different, different sealing closing methods are needed;
②, adhering the first heat-seal film 4 and the second heat-seal film 5 to the box body 1:
respectively sticking the selected first heat-sealing film 4 and the second heat-sealing film 5 to the bottom of the upper top cover 2 and the top of the upper inner cover 3 of the box body 1 through box body machine packaging equipment, so that the first heat-sealing film 4 and the second heat-sealing film 5 are opposite in position and can be attached when the upper top cover 2 and the upper inner cover 3 are closed, and the description is as follows: the distance between the first heat-sealing film 4 and the edge of the upper top cover 2 and the distance between the second heat-sealing film 5 and the edge of the upper inner cover 3 are about 1 cm most preferably;
③ processing dotted line cut 6
The blade is inlaid on a cutting die of the pneumatic point-breaking cutting die and manufactured into a specific pneumatic point-breaking cutting die, the pneumatic point-breaking cutting die is used for punching two point-breaking type dotted line notches 6 on the outermost layer of the upper top cover 2 of the box body 1 and along the parallel edges of the heat sealing film I4, or the pneumatic point-breaking cutting die and the box body forming cutting die are used for integrally punching the upper top cover 2 of the box body 1, the upper top cover 2 and the point-breaking type dotted line notches 6 are synchronously processed, and the upper top cover 2 is prevented from being broken while the attractiveness of the box body 1 is not influenced;
④ high temperature heat sealing by instant heat sealing method
And (3) carrying out instant high-temperature heat sealing on the surfaces of the second heat sealing film 5 and the first heat sealing film 4 by using an instant heat sealing method, and specifically operating as follows: the heating device I9 of an electromagnetic induction type sealing machine is adopted, meanwhile, a layer of aluminum foil base material I7 needs to be bonded between a heat sealing film I4 and an upper top cover 2, a layer of aluminum foil base material II 8 needs to be bonded between a heat sealing film II 5 and an upper inner cover 3, the upper top cover 2 and the upper inner cover 3 are closed, the heat sealing film II 5 is opposite to the position of the heat sealing film I4, the aluminum foil material is heated instantly to achieve magnetic heat conversion by utilizing the principle that eddy magnetic fields are generated when electromagnetism and aluminum foil materials are close to each other, the generated heat carries out hot melting on the heat sealing film I4 of the upper top cover 2 of a box body 1 and the heat sealing film II 5 of the upper inner cover 3 to realize fusion, the purpose of sealing and closing the box body 1 is achieved, the appearance of the box body 1 is not damaged, two layers of film base materials can be effectively fused instantly, in addition, an ultrasonic machine or a high-, a sealed closure of the cassette body 1 is also achieved.
Example 2
Referring to fig. 4-5, the present invention provides an environment-friendly, efficient and anti-theft box body, which comprises a box body 1, a first heat-sealing film 4 and a second heat-sealing film 5, wherein the inner side of an upper top cover 2 of the box body 1 is bonded with the first heat-sealing film 4 which is soft and can be melted at a high temperature, the inner side of an upper inner cover 3 of the box body 1 is bonded with the second heat-sealing film 5 which is arranged symmetrically to the first heat-sealing film 4 and can be heat-sealed, the second heat sealing film 5 is subjected to point-type, section-type, wave-type or even integral-type instantaneous high-temperature heat sealing with the surface of the first heat sealing film 4 by an instantaneous heat sealing method, a puncture heat sealing method or a perforation heat sealing method, the second heating device 11 is a pneumatic heat sealing machine provided with a polygonal heat sealing knife, and the first heat sealing film 4 and the second heat sealing film 5 of the box body 1 after being covered are subjected to hot-pressing fusion through a puncture welding point 12 formed by heating of the polygonal heat sealing knife.
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
And (3) carrying out instant high-temperature heat sealing on the second heat sealing film 5 and the first heat sealing film 4 by using a puncture heat sealing method, and specifically operating as follows: the second heating device 11 of the pneumatic heat sealing machine provided with the polygonal heat sealing knife is adopted, the upper top cover 2 and the upper inner cover 3 are closed, the second heat sealing film 5 is opposite to the first heat sealing film 4, the polygonal heat sealing knife of the pneumatic heat sealing machine penetrates through the upper top cover 2 to punch the first heat sealing film 4 and the second heat sealing film 5 to break polygonal hole positions, a plurality of puncture welding points 12 formed by puncturing of two layers of film substrates are melted and bonded at the high temperature of the polygonal heat sealing knife, so that the second heat sealing film 5 and the first heat sealing film 4 are thermally bonded through the puncture welding points 12, and the purpose of sealing and closing the box body 1 is achieved, and what should be explained is that: the more the cutting edges of the multi-corner heat sealing knife are, the better heat sealing effect can be ensured, meanwhile, the influence of the heat sealing method on the appearance of the box body 1 is not obvious, and the formed puncture holes can be basically ignored.
Example 3
Referring to fig. 6-8, the invention provides an environment-friendly, efficient and anti-theft box body, comprising a box body 1, a first heat-sealing film 4 and a second heat-sealing film 5, wherein the inner side of an upper top cover 2 of the box body 1 is bonded with the first heat-sealing film 4 which is soft and can be melted at high temperature, the inner side of an upper inner cover 3 of the box body 1 is bonded with the second heat-sealing film 5 which is arranged symmetrically to the first heat-sealing film 4 and can be heat-sealed, and the second heat-sealing film 5 is subjected to point type, segment type, wave type or even integral type instant high-temperature heat sealing with the surface of the first heat-sealing film 4 by an instant heat sealing method, a third heating device 13 is adopted for heating of the perforation heat sealing method, the third heating device 13 is a pneumatic heat sealing machine provided with a stamping heat-sealing knife, the first heat-sealing film 4 and the second heat-sealing film 5 of the box body 1 after being covered are subjected to hot pressing by a stamping welding point type, and the top of the stamping welding point 14 is provided with a printing paster 15 which is adhered with the surface of the upper top cover 2.
Specifically, 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
And (3) carrying out instant high-temperature heat sealing on the second heat sealing film 5 and the first heat sealing film 4 by using a perforation heat sealing method, and specifically operating as follows: adopt for the third 13 of heating device of the pneumatic heat-seal machine who installs punching press sealing knife, close top cap 2 and upper inner cup 3, two 5 and the first 4 positions of sealing film are just right this moment, the punching press sealing knife that utilizes pneumatic heat-seal machine passes 2 punching presses of top cap to one 4 and two 5 punching press of sealing film and is interrupted the hole site, let two-layer film substrate expose outside because the hole, the heat that produces through punching press sealing knife makes the hole department of two 5 and sealing film 4 and melts the bonding, form punching press welding point 14, thereby reach sealed closed purpose, it is to supplement the explanation: 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 first heat sealing film 4 through the hole and punching downwards, the first heat sealing film 4 and the second heat sealing film 5 are also subjected to heat sealing, and in order to ensure the attractiveness of sealing the upper top cover 2 and the upper inner cover 3 in a perforation heat sealing mode, a printing sticker 15 can be pasted at the punching position of the upper top cover 2 to shield the punching hole.
Example 4
Referring to fig. 9, the present invention provides an environment-friendly, efficient and anti-theft box body, which includes a box body 1, a first heat-sealing film 4 and a second heat-sealing film 5, wherein the edge of the upper top cover 2 is provided with a folded piece extending outwards, the first heat-sealing film 4 is adhered to the inner side of the folded piece, and the second heat-sealing film 5 is adhered to the top of the side of the box body 1 and is instantly heat-sealed with the first heat-sealing film 4 at a high temperature.
Specifically, a flap extending outward is formed on the edge of the upper lid 2, the first heat seal film 4 can be bonded to the inner side of the flap, two dotted line slits 6 are formed in the flap, the second heat seal film 5 is bonded to the top of the side of the box body 1, and the first heat seal film 4 and the second heat seal film 5 can be instantaneously heat sealed in a plurality of heat sealing manners as well, referring to the manner of processing the dotted line slits 6 in the embodiment 1.
Example 5
Referring to fig. 11, the box body 1 of the present invention may adopt a top-bottom box form, where the first heat-sealing film 4 is attached to the inner side of the upper box body, the second heat-sealing film 5 is attached to the inner side of the lower box body, and when the box body 1 needs to be sealed, the upper box body and the lower box body are sleeved and closed, and the second heat-sealing film 5 is also subjected to instant high-temperature heat sealing in various ways, such as point-type, section-type, wave-type, and even integral, with the surface of the first heat-sealing film 4 by an instant heat sealing method, a piercing heat sealing method, or a piercing heat sealing method, so as to realize the sealed closure of the top-bottom box.
A sealing and closing method for the environmentally friendly, efficient and theft-proof box body comprises the following steps:
s1, selecting materials of a first heat-sealing film 4 and a second heat-sealing film 5, wherein two soft film substrates which can be melted and bonded at high temperature are used, and the substrates are selected from various types, such as: PET \ PVC, LDPE, PO, CPP, TPU, EVA, etc.;
s2, respectively sticking the selected first heat-sealing film 4 and second heat-sealing film 5 film base materials on the upper top cover 2 and the upper inner cover 3 of the box body 1 through box body machine packaging equipment, or sticking the first heat-sealing film 4 on the inner side of the folded piece and sticking the second heat-sealing film 5 on the top of the side of the box body 1, and ensuring that the first heat-sealing film 4 is opposite to the second heat-sealing film 5;
s3, embedding a blade in a template to manufacture a pneumatic point breaking cutting die, and punching two point breaking type dotted line notches 6 on the outermost layer of the upper top cover 2 of the box body 1 and along the parallel edge of the heat sealing film I4 by using the pneumatic point breaking cutting die;
s4, carrying out instant high-temperature heat sealing on the surface of the heat sealing film I4 by an instant heat sealing method, a puncture heat sealing method or a perforation heat sealing method, cooling and solidifying to realize the sealing of the upper top cover 2 and the upper inner cover 3 of the box body 1, and sticking a printing sticker 15 at the punching position of the upper top cover 2 in order to ensure the attractiveness of the sealing of the upper top cover 2 and the upper inner cover 3 in a perforation heat sealing mode.
It should also be noted that: the multiple box body 1 heat seal closing method can be used for machine automatic processing, manual mechanical stamping, electric automatic stamping, semi-automatic stamping, full-automatic stamping and other processing mechanisms for sealing and closing, multiple box body 1 heat seal closing modes can be flexibly selected in actual production, and packaging cost is reduced.
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 6 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 sealing effect of film substrate 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 multiple packaging method's production demand, and of course, this case and box body's sealed closed method 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 attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the 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 (7)

1. The box body comprises a box body (1), a first heat-sealing film (4) and a second heat-sealing film (5), and is characterized in that the first heat-sealing film (4) which is soft and can be melted at high temperature is bonded on the inner side of an upper top cover (2) of the box body (1), the second heat-sealing film (5) which is symmetrically arranged with the first heat-sealing film (4) and can be subjected to heat sealing is bonded on the inner side of an upper inner cover (3) of the box body (1), and the second heat-sealing film (5) is subjected to point-type, section-type, wave-type and even integral-type instant high-temperature heat sealing in various modes with the surface of the first heat-sealing film (4) through instant heat sealing, piercing heat sealing or piercing heat sealing.
2. The environmentally friendly, efficient and theft resistant case of claim 1, wherein: the heating device I (9) is adopted for heating in the instant heat sealing method, the heating device I (9) is an electromagnetic induction type sealing machine, an aluminum foil base material I (7) is bonded between the heat sealing film I (4) and the upper top cover (2), an aluminum foil base material II (8) is bonded between the heat sealing film II (5) and the upper inner cover (3), and the heat sealing film I (4) and the heat sealing film II (5) of the box body (1) after being covered are fused in a hot pressing mode through a hot pressing welding point (10) formed by heating of the electromagnetic induction type sealing machine.
3. The environmentally friendly, efficient and theft resistant case of claim 1, wherein: the second heating device (11) is a pneumatic heat sealing machine provided with a multi-corner heat sealing knife, and the first heat sealing film (4) and the second heat sealing film (5) of the box body (1) after being covered are subjected to hot-pressing fusion through a puncture welding point (12) formed by heating of the multi-corner heat sealing knife.
4. The environmentally friendly, efficient and theft resistant case of claim 1, wherein: the heating device III (13) is adopted for heating in the perforation heat sealing method, the heating device III (13) is a pneumatic heat sealing machine provided with a stamping heat sealing knife, the heat sealing film I (4) and the heat sealing film II (5) of the box body (1) after being covered are subjected to hot-pressing fusion through a stamping welding point (14) formed by heating of the stamping heat sealing knife, and the top of the stamping welding point (14) is provided with a printing paster (15) bonded with the surface of the upper top cover (2).
5. The environmentally friendly, efficient and theft resistant case of claim 1, wherein: the edge of the upper top cover (2) is provided with a folded piece extending outwards, the first heat sealing film (4) is adhered to the inner side of the folded piece, and the second heat sealing film (5) is adhered to the top of the side of the box body (1) and is subjected to instant high-temperature heat sealing with the first heat sealing film (4).
6. The environmentally friendly, efficient and theft resistant case of claim 1, wherein: and two point-breaking dotted line notches (6) are punched at the position, right opposite to the heat sealing film I (4), of the surface of the upper top cover (2) through a pneumatic point-breaking cutting die.
7. A method of sealing closure for the environmentally friendly, efficient and theft resistant enclosure of claims 1-6, comprising the steps of:
s1, selecting materials of a first heat-sealing film (4) and a second heat-sealing film (5), wherein two soft film substrates which can be melted and bonded at high temperature are used, and the substrates are selected from various types, such as: PET \ PVC, LDPE, PO, CPP, TPU, EVA, etc.;
s2, respectively sticking the selected first heat-sealing film (4) and second heat-sealing film (5) film base materials on an upper top cover (2) and an upper inner cover (3) of the box body (1) through box body machine packaging equipment, or sticking the first heat-sealing film (4) on the inner side of a folded piece, and sticking the second heat-sealing film (5) on the top of the side of the box body (1), and ensuring that the first heat-sealing film (4) is opposite to the second heat-sealing film (5);
s3, embedding a blade in a template to manufacture a pneumatic point breaking cutting die, and punching two point breaking type dotted line notches (6) on the outermost layer of the upper top cover (2) of the box body (1) and along the parallel edges of the heat sealing film I (4) by using the pneumatic point breaking cutting die;
and S4, carrying out instant high-temperature heat sealing on the surface of the heat sealing film I (4) by using an instant heat sealing method, a puncture heat sealing method or a perforation heat sealing method on the heat sealing film II (5), cooling and solidifying to realize the sealing of the upper top cover (2) and the upper inner cover (3) of the box body (1), and pasting a printing sticker (15) at the punching position of the upper top cover (2) in order to ensure the attractiveness of sealing the upper top cover (2) and the upper inner cover (3) in a perforation heat sealing mode.
CN201911232706.XA 2019-12-05 2019-12-05 Environment-friendly, efficient and anti-theft box body and sealing and closing method Pending CN110745374A (en)

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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5425218A (en) * 1991-05-15 1995-06-20 Philip Morris Management Corp. Method for making a heatsealable carton
US20060163335A1 (en) * 2005-01-21 2006-07-27 Kraft Foods Holdings, Inc. Cartons having pre-applied adhesive and methods of producing and assembling such cartons
CN202115841U (en) * 2011-05-25 2012-01-18 焦林 Heat sealing packing box
CN109969485A (en) * 2019-03-27 2019-07-05 温州大学瓯江学院 A kind of heat-sealable vanning of electric business logistics infra-red radiation
CN210972253U (en) * 2019-12-05 2020-07-10 东莞市银滨实业有限公司 Environment-friendly efficient and anti-theft box body

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5425218A (en) * 1991-05-15 1995-06-20 Philip Morris Management Corp. Method for making a heatsealable carton
US20060163335A1 (en) * 2005-01-21 2006-07-27 Kraft Foods Holdings, Inc. Cartons having pre-applied adhesive and methods of producing and assembling such cartons
CN202115841U (en) * 2011-05-25 2012-01-18 焦林 Heat sealing packing box
CN109969485A (en) * 2019-03-27 2019-07-05 温州大学瓯江学院 A kind of heat-sealable vanning of electric business logistics infra-red radiation
CN210972253U (en) * 2019-12-05 2020-07-10 东莞市银滨实业有限公司 Environment-friendly efficient and anti-theft box body

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