A kind of time plug formula air-packing device
Technical field
The utility model relates to the three-dimensional aeroseal packing device that utilizes self-adhering (check valve) technical design to produce; this device can use at electronic product; glass ware; precision instrumentation; workmanship, precious fragile such as printing consumables and safety guard-safeguard performance require than higher various fields.
Background technology
The trend of globalization of enterprise strengthens the transportation range of product from the grown place to area of consumption day by day, causes for the protective packaging demand in the transportation also fast-developing simultaneously.Traditional polystyrene foamed (EPS) and polyethylene foams (EPE) based article must use at manufacturer's foaming or through just being transported to the user after the processed, the bulky very inconvenience transportation and the storage of the foamed plastic after the moulding.The foaming in place class material that transports for convenience and develop mainly is to utilize the Polyurethane foam goods, expands and forms on the content next door and protect model.But the price of material is higher relatively and the equipment at scene had certain requirements simultaneously require to be not suitable for the inner packing of large-scale pipeline product such as electronic product at workman's efficient and working strength.Simultaneously, show serious many drawback days of polystyrene foamed (EPS) based article, become for the people all dislike " white pollution ".Relatively only at the buffer product of transit link short-term use, the offal treatment of permanent polyphenyl blister pack brings gross pollution to environment.Burning produces noxious gas, and heap buries the destruction that produces geologic framework because of not corroding.The concern of government and customer's environmental pollution problem in recent years will be limited to the development of this series products.Simultaneously, packing in the market almost are limited by the bulky influence of packing itself invariably, traffic cost makes these materials closely to sell, thereby can't form scale and benefit.
Along with the fast development of soft-plastic material, the design that increasing industry can be benefited bring with this material behavior and the expansion of function.Traditional gas flush packaging utilizes hot sealing process to form simple round dot (BUBBLE WRAP, bubble pad), block or cylindric usually.Bubble is paid somebody's debt and expected repayment later and can be transported by being packaged as coiled material, but other shape product must form air bag at the heat-sealing equipment that uses the on-site installation complexity.Because the protection effect and the shape-variable of this series products are limited, so operable field mostly is pad or the filling space is used.Simultaneously, to protect the gas time be not very long because the fugitiveness of the use of material and hot sealing process causes.Therefore, limited to for a long time always and utilize air as the development of the packaging product of buffer medium.
Walker in the document (1981) Official Gazette of the United State's Patent Office 4191211,4708167 valve body and the combinations that utilize soft-plastic material to make all on the books of Koyanagi (1987) Official Gazette of the United State's Patent Office are used for making as products such as water bag, coffee bag, balloon toys as plastic sheeting or rubber type of material.Simple softly mould the passage that structure can provide air admission or discharge but stop the seepage of liquid or gas or enter by this, forming one can store fluid or the storage space of energy deaeration.On the basis of this theory, use different materials to can be used for different fields such as life jacket and be used for preserving the sealing arrangement of fluid, as bladders.2005, the relevant feasibility study that utilizes air as buffering that Fu Jingfang delivers at " packing and food machinery " magazine at " Packaging Engineering " and Liu Gong etc. was for the invention provides good theoretical foundation.
On November 22nd, 2006, disclosed Chinese patent application 200510025833.4 disclosed a kind of self-adhesive nonreturn air package material and manufacture method thereof, this invention relates to a kind of self-adhesive nonreturn air package material and manufacture method thereof, these packing are made up of four layers of plastic sheeting, bonding through local heat-sealing, form the space that to deposit air, utilize the viscosity and the action of air pressure of film self, air can not be run spill, and in the lasting preservation in this space, air and film have been formed a kind of vibration resistance that has jointly, anti-extruding, the self-adhesive nonreturn air package material of functions such as protection against the tide.
On November 21st, 2007, disclosed Chinese patent application 200580016507.5 disclosed a kind of structure of air-packing device of the shock absorbing capability with improvement, and this device has the air-packing device of product shock absorbing capability, that be used for protecting container case of improvement.This air-packing device comprises: first and second plastic sheetings, thus they are produced a plurality of air chambers in the pre-position by bonding, and each air vessel has the air chamber that a plurality of serial connections link to each other; Be arranged on corresponding air vessel the entrance, be used to make pressurized air along forwards to a plurality of check valves that flow; With public ground of described a plurality of check valves bonded assembly air intake; Be formed on the heat-seal flanges on the lateral edges of air-packing device.Pass through post heat-seal treatment, predetermined point on the described air vessel and heat-seal flanges are bonded in together, thereby when air-packing device was charged into pressurized air, generation had container portions that is used to package the product in opening wherein and the cushion part that supports described container portions.
More than the sealed air chamber that all forms of disclosed air-packing device by double-layer films, if thing to be packaged itself has corner angle or the projection of corner angle is arranged, might puncture internal layer membrane, make the gas leakage in the sealed air chamber, thereby increase the possibility that the packing material in it damages.
Summary of the invention
For addressing the above problem, the utility model provides a kind of air-packing device that surface of package has the thing to be packaged of corner angle that is suitable for.The use of the packing film of thing to be packaged has been saved in the use of this packing device, has reduced the operation of suit packaging film simultaneously, has significantly reduced the packing time, has further reduced the accident that packaging process may exist, thereby has provided cost savings.
For achieving the above object, the utility model adopts following technical scheme:
A kind of time plug formula air-packing device, form a volumetric packaging body by two-layer thermoplastic film through secondary thermoplastic envelope with salable air of an opening, comprise a plurality of independently sealed air chamber and main channel, there is an admission port main channel, check valve and the main channel UNICOM of each sealed air chamber by constituting by check valve film, it is characterized in that, also have not inflatable inner bag in the volumetric packaging body, this inner bag form by the outer extension of opening one side direction of volumetric packaging body and opening opposite side or the outside extension plastic packaging of opposite side together and unsettled volumetric packaging body after inflation in.
Wherein, preferably, described inner bag is the band shape that is fixed on volumetric packaging body opening both sides.
Wherein, preferably, described inner bag is the rectangle with the shared opening of volumetric packaging body.
Wherein, preferably, described volumetric packaging body both sides have the side pressure air chamber.
In the packaging body both sides side pressure air chamber is set, the impact resistance of the object both sides of its inner packing is strengthened greatly.
Wherein, preferably, described volumetric packaging body is rectangular bag of an end opening.
Wherein, preferably, described volumetric packaging body is the rectangular bag that has lid.
Wherein, preferably, at least two check valves are arranged in each sealed air chamber.
Use a plurality of check valves, the diameter of air chamber is increased, thereby in the impact resistance that increases air chamber, shorten the gas filed time, reduce the required time of packaging process.
Wherein, preferably, the diameter difference of each sealed air chamber.
The diameter difference of sealed air chamber after the inflation, will form the height gas column, during bump; high gas column clashes into earlier, after buffering, strikes on the low gas column again; impact weakens, and the body surface influence of hanging down the gas column place is significantly reduced the better protection key position.
In the air-packing device of the present utility model how one deck do not have gas filed inner bag, thing to be packaged has like this saved earlier will save the packing time with the operation of one deck plastic bag packaging, saves cost; Simultaneously, because inner bag is unsettled, form the buffering of more levels, thereby increased the impact resistance of thing to be packaged with the air bag of outside; And the used material of packing device has the thing to be packaged of corner angle to be difficult to inner bag be punctured and further destroy outer field sealed air chamber than original that layer plastic bag intensity height, increased the reliability of packing.
Thereby can lower transport space and the too high problem of cost solution packing long-distance transportation cost greatly by the method for using on-the-spot straight forming the user.Utilize soft-plastic material and make product smooth fully before not using by prefabricated design, utilize when the user uses air make this material fast, stereo shaping and around need protection product, form fail-safe structure.Compared with prior art, air-isolated packing material of the present invention has anti-extruding, anti-vibration, anti-falling fallen and good integrated protection performance such as buffering, can be used as the filling wrapper of article, the omnibearing external packing of the part of article or the partiting pad of significant points and article is used.
Description of drawings
Fig. 1 is the preceding scheme drawing of the first embodiment secondary plastic packaging of of the present utility model time plug formula air-packing device;
Fig. 2 is the scheme drawing behind the air-packing device secondary plastic packaging shown in Figure 1;
Fig. 3 is the scheme drawing behind the air-packing device second way secondary plastic packaging shown in Figure 1;
Fig. 4 is the preceding scheme drawing of the second embodiment secondary plastic packaging of of the present utility model time plug formula air-packing device;
Fig. 5 is the scheme drawing behind the embodiment secondary plastic packaging shown in Figure 4;
Fig. 6 is the 3rd embodiment of the of the present utility model time plug formula air-packing device scheme drawing after by the secondary plastic packaging of similar Fig. 2;
Fig. 7 is the 3rd embodiment of the of the present utility model time plug formula air-packing device scheme drawing after by the secondary plastic packaging of similar Fig. 3;
Fig. 8 is the scheme drawing after the air-packing device of Fig. 2 is inflated;
Fig. 9 is the scheme drawing behind the air-packing device Hui Sai of Fig. 8.
The specific embodiment
Below in conjunction with the drawings and specific embodiments of the present utility model time plug formula air-packing device is further described.
Plastic packaging is meant two-layer thermoplastic film and check valve formed the process that can deposit the plane bag of air through the thermoplastic envelope, the secondary plastic packaging be meant with the folding back of half-blank behind plastic packaging along secondary plastic packaging line once more the thermoplastic envelope form the process of the three-dimensional bag that can hold object.
As shown in Figure 1, embodiment is the scheme drawing before the secondary plastic packaging not, integral body is that oblong film a, the b by two identical sizes forms through a plastic packaging, check valve F and main channel T that two-layer little film constitutes are arranged on film a, the middle part of b, wherein main channel potted line 1 and bottom potted line 2 with integral body be separated into both sides can not injection section and middle inflatable part.The diameter of the sealed air chamber of injection section is also inequality, and big sealed air chamber is provided with two check valve F.The less air chamber of diameter is in order to form level 2 buffering at the position that needs special protection.
Fig. 2 is that the semi-finished of Fig. 1 forms with secondary plastic packaging line (7,5) secondary plastic packaging at two ends up and down at left end and injection section along the folding back of line of centers.Right side injection section after the inflation forms a rectangular bag, and inflation back forms air-packing device 90 shown in Figure 8, and the left side is can not injection section Hui Sai unsettled in rectangular bag, has just formed air-packing device shown in Figure 9 100.
Fig. 3 is the scheme drawing behind the air-packing device second way secondary plastic packaging shown in Figure 1, and the difference of itself and Fig. 2 is, the secondary plastic packaging line of two ends up and down 8 among the figure is that the potted line 5 of Fig. 2 extends to secondary plastic packaging line 7 and is connected.Like this, Hui Sai in injection section rectangular bag is rectangular bag of a unaerated.
Fig. 4 and Fig. 5 are second embodiment, be similar to Fig. 1 and Fig. 2, difference is, main channel potted line 41 is different with the spacing of line of centers with bottom potted line 42, the translation laterally of bottom potted line 42, be processed with break line 44 with the position of main channel potted line 41 symmetries, then as Fig. 5 along line of centers folding after, the secondary plastic packaging line 45 at two ends and the secondary plastic packaging line 47 of left end are finished the secondary plastic packaging up and down along main channel potted line 41 right sides.Like this, after the inflation, potted line 41 right sides in main channel form a gas filed rectangular bag, injection section between main channel potted line 41 and the bottom potted line 42 forms a lid, with the left side can not injection section Hui Sai in gas filed rectangular bag, just formed a plug formula air-packing device that returns with cover.
Fig. 6 and Fig. 7 are the 3rd embodiment of the present utility model, similar and the Fig. 2 of Fig. 6, difference is, the secondary seal line 65 inside translations of injection section upper and lower side the distance of an air chamber, make two ends formation side pressure air chamber 9 up and down, to increase the impact resistance of both sides up and down.Fig. 7 similar with and Fig. 3, difference is, the secondary seal line 75 inside translations of injection section upper and lower side the distance of an air chamber, make up and down that two ends form side pressure air chamber 9, with the impact resistance of both sides about increasing.
Injection section can not only be arranged on the semi-finished middle part behind the plastic packaging one time as illustrated embodiment, also can be arranged on any one deck in the left and right sides.
Utilize above invention design technology project, the functional packing material that can produce all kinds of shapes as lucifuge, waterproof, protection against the tide, anti-wearly, anti-fall, antidetonation, as various products such as sealing bag, U type bags.Simultaneously, can provide that other function such as electrostatic prevention, conduction, antidetonation cushion, resistance to wear, withstanding corrosion, rust-proofing, can print etc. by the characteristic of utilizing plastic sheeting.Design distinguished of the present invention and traditional in the past method that prevents air leaks, need not add external auxiliary device in addition, only rely on inside and outside functional resin film through special processing, through a series of simple local heat-seal bond, air is deposited in for a long time in a fully enclosed space, utilize this principle, can produce a series of Related products and the derived product of functional form from mucous membrane air block volumetric packaging material.Any by changing the shape of heat-sealing, folding mode, the specification of heat-sealing, position or the profile and the function that make product by selecting for use of different cuttings and different plastic sheeting characteristics change, as long as can reach the object of the invention, all belong to category of the present invention.
, but should be understood that under the situation that does not break away from relevant protection domain defined by the claims that those skilled in the art can make change and/or revise according to embodiment of the present utility model describing the present invention property and nonrestrictive description.