CN111114006A - Production method of vacuum freshness protection package - Google Patents
Production method of vacuum freshness protection package Download PDFInfo
- Publication number
- CN111114006A CN111114006A CN202010049773.4A CN202010049773A CN111114006A CN 111114006 A CN111114006 A CN 111114006A CN 202010049773 A CN202010049773 A CN 202010049773A CN 111114006 A CN111114006 A CN 111114006A
- Authority
- CN
- China
- Prior art keywords
- sealing
- film
- plastic film
- zipper
- pressing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/005—Making flexible containers, e.g. envelopes or bags involving a particular layout of the machinery or relative arrangement of its subunits
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/02—Feeding or positioning sheets, blanks or webs
- B31B70/10—Feeding or positioning webs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/60—Uniting opposed surfaces or edges; Taping
- B31B70/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure
- B31B70/644—Making seals parallel to the direction of movement, i.e. longitudinal sealing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/60—Uniting opposed surfaces or edges; Taping
- B31B70/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure
- B31B70/645—Making seals transversally to the direction of movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/74—Auxiliary operations
- B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/74—Auxiliary operations
- B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
- B31B70/813—Applying closures
- B31B70/8131—Making bags having interengaging closure elements
Landscapes
- Making Paper Articles (AREA)
- Containers And Plastic Fillers For Packaging (AREA)
Abstract
The invention discloses a production method of a vacuum freshness protection package, and aims to solve the problem that the prior art is not easy to vacuumize. The method comprises the following specific steps: punching a single face of a film at a fixed position, ironing and pressing a one-way exhaust valve at a fixed position, ironing and pressing zipper rib strips, ironing and pressing and positioning embossed film discharging, longitudinally sealing anti-counterfeiting sealing, transversely sealing a plurality of groups of zipper rib strips, ironing and pressing sealing and cooling for forming, and trimming and punching fillets. The auxiliary discharging device is added to enable the embossing film to be placed in the bag for hot-pressing sealing, so that the bag is easy to vacuumize, the transverse-sealing hot-sealing ironing knife group is changed into the vertical synchronous fine-adjustment stamping and sealing device or the pneumatic vertical heating stamping and sealing device, the vacuum bag is ensured not to leak air easily, the production efficiency of the vacuum freshness protection package can be effectively improved, the production loss is reduced, the product quality is stable, the ironing and pressing sealing stability of all zipper bags can be effectively improved, the bag is suitable for all vacuum zipper bags and zipper bags with water and air leakage prevention, the application range is expanded, and the production process of various vacuum freshness protection packages is effectively improved.
Description
Technical Field
The invention relates to the field of vacuum freshness protection package production, in particular to a production method of a vacuum freshness protection package.
Background
The vacuum fresh-keeping bag is mainly made of food fresh-keeping films, is mainly used for preserving vegetables, fruits, grains, cooked food and other foods, and is widely used in daily life. The vacuum freshness protection package is classified into Polyethylene (PE), polyvinyl chloride (PVC), polyvinylidene chloride (PVDC) and the like according to the manufacturing material.
The vacuum freshness protection package brings convenience to the life of people, the existing vacuum freshness protection package is not convenient to vacuumize in production, so that the production efficiency of the vacuum freshness protection package is not high, and the economic benefit of a vacuum freshness protection package manufacturer is reduced.
Disclosure of Invention
The embodiment of the invention aims to provide a production method of a vacuum freshness protection package, so as to solve the problems in the background technology.
In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions:
a production method of a vacuum fresh-keeping bag comprises the following specific steps:
step one, conveying the plastic film, the embossing film and the sealing ribs to a bag making machine;
step two, cutting the plastic film into two plastic films by a blade of a bag making machine, punching the two plastic films from the upper part and the lower part respectively through double oscillating rollers simultaneously, and overlapping the patterns of the upper plastic film and the lower plastic film;
step three, enabling the upper plastic film and the lower plastic film to coincide and then enter a zipper assembly device, enabling the sealing rib strips and the embossing film to enter the middle of the upper plastic film and the lower plastic film, enabling the zipper rib strips, the embossing film, the upper plastic film and the lower plastic film to be bonded by the zipper assembly device, enabling air to smoothly complete a vacuum state from embossed gaps through an exhaust valve during vacuumizing by placing the embossing film between the upper plastic film and the lower plastic film, and enabling the embossing film to enter a zipper cooling device to enable bonding parts to be positioned and formed to obtain a semi-finished product;
and step four, the semi-finished product enters a longitudinal sealing assembly device, the bottom or the top of the bag is subjected to heat sealing and hot pressing forming at the heat sealing part of the longitudinal sealing assembly device, the heat sealing part of the longitudinal sealing part is completely sealed, the hot pressing position of the longitudinal sealing part achieves an accurate effect through a photoelectric unit, the bottom of the self-supporting bag and the heat sealing of various special-shaped molds are subjected to heat sealing at the longitudinal sealing part according to different requirements, and the self-supporting bag can be made into different shapes or round angles. Meanwhile, the production of the self-standing zipper vacuum bag carries out positioning sealing on the longitudinal sealing assembly device, and the principle of the device is mainly that a semi-finished product is folded and then placed between an upper film and a lower film of a positioning sealing mould, and a positioning stabilizing device enables a plastic film to enter a longitudinal sealing device for heat sealing according to a designated position after passing through a third traction roller;
step five, transversely sealing a plurality of groups of sealing ribs, performing hot-pressing sealing and cooling molding;
and step six, trimming and punching a fillet to obtain a finished product.
As a further scheme of the embodiment of the invention: the embossed film adopts a punched embossed film or a multi-layer co-extrusion embossed film, and is suitable for different working conditions.
As a further scheme of the embodiment of the invention: in the second step, the two plastic films simultaneously enter the double swing rollers through the upper guide roller and the lower guide roller respectively, and the photoelectric unit is arranged at the upper guide roller, so that the unilateral film punching can be positioned.
As a further scheme of the embodiment of the invention: after punching and before the patterns of the upper plastic film and the lower plastic film are overlapped, the automatic labeling machine or the automatic valve ironing machine automatically sticks the one-way exhaust sticking valve or irones the one-way exhaust valve at the punching position, so that the subsequent steps can be conveniently carried out.
As a further scheme of the embodiment of the invention: and in the step five, the product is ironed and sealed by adopting the vertical synchronous fine-tuning stamping and sealing device, so that the structure is simple, and the using effect is good.
As a further scheme of the embodiment of the invention: the vertical synchronous fine-tuning punching and sealing device is replaced by a pneumatic vertical heating punching and sealing device, so that the air leakage is not easy to occur.
Compared with the prior art, the embodiment of the invention has the beneficial effects that:
the invention has reasonable design, realizes the positioning unilateral film punching of a common bag making machine by changing the upper and lower film material penetrating guide rollers of the bag making machine, enables the embossing film to be placed in the bag for hot-pressing sealing by adding the auxiliary material placing device, thereby being easy to vacuumize, changes the transverse sealing hot-sealing ironing knife group into the vertical synchronous fine-adjustment stamping sealing device or the pneumatic vertical heating stamping sealing device, ensures that the vacuum bag is not easy to leak air, can effectively improve the production efficiency of the vacuum freshness protection package, reduces the production loss, has stable product quality, can effectively improve the ironing sealing stability of all zipper bags, is suitable for all vacuum zipper bags and zipper bags with water and air leakage prevention, expands the application range and effectively improves the production process of various vacuum freshness protection packages.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Example 1
A production method of a vacuum fresh-keeping bag comprises the following specific steps:
step one, conveying a plastic film, a punching embossing film and a sealing rib strip to a bag making machine;
step two, cutting the plastic film into two plastic films by a blade of a bag making machine, enabling the two plastic films to simultaneously enter a double-swing roller for punching through an upper guide roller and a lower guide roller respectively, arranging a photoelectric unit at the upper guide roller to realize positioning of single-side film punching, automatically pasting a one-way exhaust pasting valve at the punching position of an automatic labeling machine, and enabling the patterns of the upper plastic film and the lower plastic film to be superposed;
step three, enabling the upper plastic film and the lower plastic film to coincide and then enter a zipper assembly device, enabling the sealing rib strips and the punching embossed film to enter the middle of the upper plastic film and the lower plastic film, enabling the zipper rib strips, the punching embossed film, the upper plastic film and the lower plastic film to be bonded by the zipper assembly device, enabling the punching embossed film to be placed between the upper plastic film and the lower plastic film, enabling air to smoothly complete a vacuum state from embossed gaps during vacuum pumping through an exhaust valve, and enabling the punching embossed film to enter a zipper cooling device to enable bonding parts to be positioned and molded to obtain a semi-finished product;
and step four, the semi-finished product enters a longitudinal sealing assembly device, the bottom or the top of the bag is subjected to heat sealing and hot pressing forming at the heat sealing part of the longitudinal sealing assembly device, the heat sealing part of the longitudinal sealing part is completely sealed, the hot pressing position of the longitudinal sealing part achieves an accurate effect through a photoelectric unit, the bottom of the self-supporting bag and the heat sealing of various special-shaped molds are subjected to heat sealing at the longitudinal sealing part according to different requirements, and the self-supporting bag can be made into different shapes or round angles. Meanwhile, the production of the self-standing zipper vacuum bag carries out positioning sealing on the longitudinal sealing assembly device, and the principle of the device is mainly that a semi-finished product is folded and then placed between an upper film and a lower film of a positioning sealing mould, and a positioning stabilizing device enables a plastic film to enter a longitudinal sealing device for heat sealing according to a designated position after passing through a third traction roller;
step five, adopting an up-down synchronous fine-tuning stamping sealing device to transversely seal a plurality of groups of sealing ribs, performing hot-pressing sealing and cooling molding;
and step six, trimming and punching a fillet to obtain a finished product.
Example 2
A production method of a vacuum fresh-keeping bag comprises the following specific steps:
step one, conveying a plastic film, a multi-layer co-extrusion embossing film and a sealing rib strip to a bag making machine;
step two, cutting the plastic film into two plastic films by a blade of a bag making machine, punching the two plastic films from the upper part and the lower part simultaneously through double oscillating rollers, automatically ironing the one-way exhaust valve at the punching position by an automatic ironing valve machine, and overlapping the patterns of the upper plastic film and the lower plastic film;
step three, enabling the upper plastic film and the lower plastic film to coincide and then enter a zipper assembly device, enabling the sealing rib and the multi-layer co-extrusion grain film to enter the middle of the upper plastic film and the lower plastic film, enabling the zipper rib, the multi-layer co-extrusion grain film, the upper plastic film and the lower plastic film to be bonded by the zipper assembly device, enabling the multi-layer co-extrusion grain film to be placed between the upper plastic film and the lower plastic film, enabling air to smoothly complete a vacuum state from a gap of embossing during vacuum pumping through an exhaust valve, and enabling the multi-layer co-extrusion grain film to enter a zipper cooling device to enable a bonding part to be positioned and formed to obtain a semi-finished;
and step four, the semi-finished product enters a longitudinal sealing assembly device, the bottom or the top of the bag is subjected to heat sealing and hot pressing forming at the heat sealing part of the longitudinal sealing assembly device, the heat sealing part of the longitudinal sealing part is completely sealed, the hot pressing position of the longitudinal sealing part achieves an accurate effect through a photoelectric unit, the bottom of the self-supporting bag and the heat sealing of various special-shaped molds are subjected to heat sealing at the longitudinal sealing part according to different requirements, and the self-supporting bag can be made into different shapes or round angles. Meanwhile, the production of the self-standing zipper vacuum bag carries out positioning sealing on the longitudinal sealing assembly device, and the principle of the device is mainly that a semi-finished product is folded and then placed between an upper film and a lower film of a positioning sealing mould, and a positioning stabilizing device enables a plastic film to enter a longitudinal sealing device for heat sealing according to a designated position after passing through a third traction roller;
step five, adopting a pneumatic up-down heating, stamping and sealing device to transversely seal a plurality of groups of sealing ribs, performing hot-pressing sealing and cooling molding;
and step six, die cutting to obtain a finished product.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A production method of a vacuum fresh-keeping bag is characterized by comprising the following specific steps:
step one, conveying the plastic film, the embossing film and the sealing ribs to a bag making machine;
step two, cutting the plastic film into two plastic films by a blade of a bag making machine, punching the two plastic films from the upper part and the lower part respectively through double oscillating rollers simultaneously, and overlapping the patterns of the upper plastic film and the lower plastic film;
step three, the product obtained in the step two enters a zipper assembly device, the sealing rib strips and the embossing film enter the middle of the upper plastic film and the lower plastic film at the same time, the zipper assembly device bonds the zipper rib strips, the embossing film, the upper plastic film and the lower plastic film, and then the product enters a zipper cooling device to enable the bonding part to be positioned and molded, so that a semi-finished product is obtained;
fourthly, the semi-finished product enters a longitudinal sealing assembly device, and the bottom or the top of the bag is subjected to heat sealing, hot pressing and forming at the heat sealing part of the longitudinal sealing assembly device;
step five, transversely sealing a plurality of groups of sealing ribs, performing hot-pressing sealing and cooling molding;
and step six, trimming and punching a fillet to obtain a finished product.
2. The method for producing vacuum freshness protection packages according to claim 1, wherein the embossed film is a perforated embossed film or a multi-layer co-extruded embossed film.
3. The method for producing vacuum freshness protection packages according to claim 1, wherein after the step two, the one-way exhaust sticking valve or the one-way exhaust pressing valve is automatically stuck at the punching position by an automatic labeling machine or an automatic valve ironing machine before the patterns of the upper plastic film and the lower plastic film are overlapped.
4. The method for producing vacuum freshness protection packages according to claim 1, wherein in the second step, the two plastic films simultaneously enter the double oscillating rollers through the upper guide roller and the lower guide roller respectively.
5. The method as claimed in claim 4, wherein a photoelectric unit is disposed at the upper guide roller.
6. The method as claimed in claim 1, wherein in the fifth step, the product is ironed and sealed by using a vertical synchronous fine-tuning punching and sealing device.
7. The method of claim 6, wherein the upper and lower synchronous trimming press sealing device is replaced with a pneumatic upper and lower heating press sealing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010049773.4A CN111114006A (en) | 2020-01-16 | 2020-01-16 | Production method of vacuum freshness protection package |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010049773.4A CN111114006A (en) | 2020-01-16 | 2020-01-16 | Production method of vacuum freshness protection package |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111114006A true CN111114006A (en) | 2020-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010049773.4A Pending CN111114006A (en) | 2020-01-16 | 2020-01-16 | Production method of vacuum freshness protection package |
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| CN (1) | CN111114006A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111959975A (en) * | 2020-08-27 | 2020-11-20 | 喀左北印纸塑包装有限公司 | Environment-friendly dining bag and production method thereof |
| CN112757696A (en) * | 2020-12-22 | 2021-05-07 | 珠海徐太日用品有限公司 | Novel production process method of self-supporting compressed bag |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001348041A (en) * | 2000-06-07 | 2001-12-18 | Kiyoshi Ichinohe | Vacuum storage bag with name |
| CN201390466Y (en) * | 2009-04-17 | 2010-01-27 | 丘玉辉 | Vacuum freshness protection package |
| CN102514230A (en) * | 2011-12-23 | 2012-06-27 | 梁昌福 | Production method for vacuum freshness protection package and equipment for same |
| CN202491473U (en) * | 2011-12-23 | 2012-10-17 | 梁昌福 | Production device of vacuum freshness protection package having zipper |
| CN110406170A (en) * | 2019-08-01 | 2019-11-05 | 江苏红贵纺实业有限公司 | A kind of vacuum fresh-keeping bag packaging production method and its equipment |
-
2020
- 2020-01-16 CN CN202010049773.4A patent/CN111114006A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001348041A (en) * | 2000-06-07 | 2001-12-18 | Kiyoshi Ichinohe | Vacuum storage bag with name |
| CN201390466Y (en) * | 2009-04-17 | 2010-01-27 | 丘玉辉 | Vacuum freshness protection package |
| CN102514230A (en) * | 2011-12-23 | 2012-06-27 | 梁昌福 | Production method for vacuum freshness protection package and equipment for same |
| CN202491473U (en) * | 2011-12-23 | 2012-10-17 | 梁昌福 | Production device of vacuum freshness protection package having zipper |
| CN110406170A (en) * | 2019-08-01 | 2019-11-05 | 江苏红贵纺实业有限公司 | A kind of vacuum fresh-keeping bag packaging production method and its equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111959975A (en) * | 2020-08-27 | 2020-11-20 | 喀左北印纸塑包装有限公司 | Environment-friendly dining bag and production method thereof |
| CN112757696A (en) * | 2020-12-22 | 2021-05-07 | 珠海徐太日用品有限公司 | Novel production process method of self-supporting compressed bag |
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| PB01 | Publication | ||
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Application publication date: 20200508 |