阅读说明：本技术 一种空气能气柱薄膜及一种气柱薄膜加工工艺 (Air energy air column film and air column film processing technology ) 是由 汪玉龙 唐成 于 2021-02-05 设计创作，主要内容包括：本发明专利涉及一种空气能气柱薄膜,具有由第一膜层、第二膜层和固定在第一膜层和/或第二膜层上的极性膜,第一膜层和/或第二膜层与其对应的极性膜固定后形成上端开口的充气通道,第一膜层和第二膜层热合后形成充气件,充气件通过热合形成第一热合部,第一热合部对充气通道上的开口进行闭合并形成通气孔,第一热合部将充气件分隔成充气腔和第一气柱腔,充气通道通过通气孔与充气腔连通,极性膜上设有至少一个进气孔,充气通道通过进气孔与第一气柱腔连通。本发明还涉及一种气柱薄膜加工工艺,包括制备膜层、极性膜加工、复合、制备充气件和热合成型。本发明专利结构巧妙,能够实现气柱薄膜的加工和充气成型,高效实用。(The invention relates to an air energy air column film which comprises a first film layer, a second film layer and a polar film fixed on the first film layer and/or the second film layer, wherein the first film layer and/or the second film layer is fixed with the corresponding polar film to form an inflation channel with an upper end opened, the first film layer and the second film layer are thermally sealed to form an inflation piece, the inflation piece forms a first thermal sealing part through thermal sealing, the first thermal sealing part closes the opening on the inflation channel and forms a vent hole, the inflation piece is divided into an inflation cavity and a first air column cavity by the first thermal sealing part, the inflation channel is communicated with the inflation cavity through the vent hole, at least one air inlet hole is arranged on the polar film, and the inflation channel is communicated with the first air column cavity through the air inlet hole. The invention also relates to a gas column film processing technology which comprises the steps of preparing a film layer, processing a polar film, compounding, preparing an inflatable piece and thermally synthesizing. The invention has ingenious structure, can realize the processing and inflation molding of the gas column film, and is efficient and practical.)

1. An air energy air column film, which is characterized in that: the air inflation device is provided with a first film layer (1), a second film layer (2) and a polar film (6) fixed on the first film layer (1) and/or the second film layer (2), the first film layer (1) and/or the second film layer (2) and the corresponding polar film (6) are fixed to form an air inflation channel (8) with an upper end opening, the first film layer (1) and the second film layer (2) are thermally sealed to form an air inflation piece, the air inflation piece forms a first heat sealing part (3) through heat sealing, the first heat sealing part (3) closes the opening on the air inflation channel (8) and forms a vent hole (31) for air inflow in the air inflation channel (8), the first heat sealing part (3) divides the air inflation piece into an air inflation cavity (4) and a first air column cavity (5), the air inflation channel (8) is communicated with the air inflation cavity (4) through the vent hole (31), at least one air inlet hole (82) is formed in the polar film (6), the inflation channel (8) is communicated with the first air column cavity (5) through the air inlet holes (82), and the polar film (6) can be attached to the corresponding first film layer (1) and/or second film layer (2) under the air pressure in the first air column cavity (5) and the adsorption action of the polar film (6) and close the inflation channel (8).

2. An air-energy column membrane as claimed in claim 1, wherein: each polar membrane (6) is the same as the corresponding first membrane layer (1) and/or second membrane layer (2), each polar membrane (6) is provided with a composite part (61), the first membrane layer (1) and/or the second membrane layer (2) are fixedly connected with the polar membrane (6) through the composite parts (61), and the part, which is not composited with the polar membrane (6), of the first membrane layer (1) and/or the second membrane layer (2) forms an inflation channel (8) with the first membrane layer (1) and/or the second membrane layer (2).

3. An air-energy column membrane as claimed in claim 1, wherein: the air inlet holes (82) on the polar film (6) are positioned at 1/4-3/4 of the total length of the air inflation channel (8).

4. An air-energy column membrane as claimed in claim 1, wherein: be equipped with a plurality of second heat seal portion (7) with first heat seal portion (3) perpendicular setting on the piece of aerifing, each second heat seal portion (7) are separated into a plurality of second gas column chambeies (51) with first gas column chamber (5), all are equipped with inflation channel (8) in each second gas column chamber (51), be equipped with on first heat seal portion (3) a plurality of air vent (31) with inflation channel (8) intercommunication, all be equipped with on each inflation channel (8) and let in gas inlet port (82) in second gas column chamber (51).

5. An air energy column membrane as claimed in claim 4, wherein: the width of each second air column cavity (51) is 10-150 mm.

6. An air energy column membrane as claimed in claim 4, wherein: the diameter of the second air column cavity (51) is 20mm, the length of the inflation channel (8) is 7cm, the air inlet hole (82) is located 5.25cm away from the inflation cavity (4), and the aperture of the air inlet hole (82) is 1 mm.

7. An air-energy column membrane as claimed in claim 1, wherein: a plurality of pressing parts (81) are arranged in the inflation channel (8), and each pressing part (81) forms a non-return channel which is used for extending an airflow path and can prevent airflow from flowing back.

8. An air-energy column membrane as claimed in claim 7, wherein: each stitching part (81) extends along the direction far away from the inflation cavity (4) and is arranged in a non-parallel way with the extending direction of the inflation channel (8).

9. An air-energy column membrane as claimed in claim 1, wherein: the adsorption force of the polar membrane (6) is 0.05N-2.5N, and the aperture of the air inlet hole (82) is 0.25-20 mm.

10. An air column film processing process comprising an air energy air column film of claim 1, further comprising the steps of:

A. preparing a film layer: preparing a first film layer (1) and a second film layer (2);

B. and (3) processing a polar membrane (6): punching a hole on the polar film (6) to form an air inlet hole (82);

C. compounding: fixing a polar membrane (6) on the first membrane layer (1) and/or the second membrane layer (6), wherein the part of the polar membrane (6) which is not compounded with the first membrane layer (1) and/or the second membrane layer (2) forms an inflation channel (8) with an opening at the upper end;

D. preparing an inflatable part: and (3) carrying out heat sealing on the first film layer (1) and the second film layer (2) to form an inflatable member, carrying out heat sealing on the inflatable member to form a first heat sealing part (3), sealing the opening on the inflation channel (8) during heat sealing, and reserving a vent hole (31) on the first heat sealing part (3) so as to enable the vent hole to be communicated with the inflation channel (8).

11. The gas column film processing technology of claim 10, wherein: the air inflation channel (8) is internally provided with a plurality of pressing parts (81), after the polar membrane (6) is fixed with the first membrane layer (1) and/or the second membrane layer (2) in a compounding way, the pressing parts (81) are formed between the polar membrane (6) and the first membrane layer (1) and/or the second membrane layer (2) through hot pressing, and each pressing part (81) and the air inflation channel (8) form a non-return channel.

12. The gas column film processing technology of claim 10, wherein: be equipped with a plurality of second heat seal portion (7) with first heat seal portion (3) perpendicular setting on the piece of aerifing, each second heat seal portion (7) are separated into a plurality of second gas column chambeies (51) with first gas column chamber (5), all be equipped with in each second gas column chamber (51) and inflate passageway (8), be equipped with on first heat seal portion (3) a plurality of air vent (31) with inflating passageway (8) intercommunication, all be equipped with on each inflation passageway (8) and let in gas inlet port (82) in second gas column chamber (51), second heat seal portion (7) are through hot briquetting to obtain the finished product after hot briquetting.

Technical Field

The invention relates to an air energy air column film and an air column film processing technology.

Background

The air column bag is used as a modern advanced packaging material, is environment-friendly and pollution-free, can protect products in transportation, and simultaneously shows the image of an enterprise to consumers. It is known that consumers have certain sense of pleasure for environmentally friendly enterprises. The air column inflatable bag meets the green and environment-friendly requirement of European Union ROHS, and can reduce a lot of resource waste. The existing gas column bag is usually provided with a check valve to prevent the backflow leakage of gas, but the check valve in the existing gas column bag is manufactured independently and added into the process step of the gas column bag during the processing and forming of the gas column bag, but the check valve needs to be processed independently, and the synthesis process of the check valve also needs to be added into the whole process independently during the processing process, so that the processing time of the whole gas column bag is increased, the processing and forming efficiency of the gas column bag is influenced, and the gas column bag is very inconvenient.

SUMMARY OF THE PATENT FOR INVENTION

The first purpose of the invention is to provide an air energy air column film which is ingenious in structure and can realize quick inflation in an air column cavity.

The technical scheme for realizing the patent purpose of the invention is as follows: the invention relates to an air energy air column film, which comprises a first film layer, a second film layer and a polar film fixed on the first film layer and/or the second film layer, wherein the first film layer and/or the second film layer and the corresponding polar film are fixed to form an inflation channel with an upper end opening, the first film layer and the second film layer are thermally sealed to form an inflation piece, the inflation piece forms a first thermal sealing part through thermal sealing, the first thermal sealing part closes the opening on the inflation channel and forms a vent hole for air intake in the inflation channel, the first thermal sealing part divides the inflation piece into an inflation cavity and a first air column cavity, the inflation channel is communicated with the inflation cavity through the vent hole, the polar film is provided with at least one air inlet hole, the inflation channel is communicated with the first air column cavity through the air inlet hole, the polar film can be attached to the corresponding first film layer and/or the second film layer under the air pressure in the first air column cavity and the adsorption action of the polar film, and closes the inflation channel.

Each polar membrane is the same as the corresponding first membrane layer and/or second membrane layer in size, each polar membrane is provided with a composite part, the first membrane layer and/or the second membrane layer are fixedly connected with the polar membrane through the composite parts, and the part, which is not composited with the polar membrane, of the first membrane layer and/or the second membrane layer and the first membrane layer and/or the second membrane layer form an inflation channel.

The air inlet holes in the polar film are positioned at 1/4-3/4 of the total length of the air inflation channel.

The gas filling piece is provided with a plurality of second heat sealing parts which are perpendicular to the first heat sealing parts, each second heat sealing part divides the first gas column cavity into a plurality of second gas column cavities, each second gas column cavity is internally provided with a gas filling channel, the first heat sealing part is provided with a plurality of air holes communicated with the gas filling channels, and each gas filling channel is provided with a gas inlet hole for introducing gas into the second gas column cavity.

The width of each second air column cavity is 10 mm-150 mm.

The diameter of the second air column cavity is 20mm, the length of the inflation channel is 7cm, the air inlet is located 5.25cm away from the inflation cavity, and the aperture of the air inlet is 1 mm.

A plurality of pressing parts are arranged in the inflation channel, and each pressing part forms a non-return channel which is used for extending the airflow path and preventing airflow from flowing back.

Each stitching part extends along the direction far away from the inflation cavity and is arranged in a non-parallel mode with the extending direction of the inflation channel.

The adsorption force of the polar membrane is 0.05N-2.5N, and the aperture of the air inlet hole is 0.25-20 mm.

The second purpose of the invention is to provide a processing technology of the gas column film, which can realize the rapid processing of the gas column film and can add the function of a check valve into the film forming technology.

The technical scheme for realizing the patent purpose of the invention is as follows: the invention also relates to an air column film processing technology, which comprises the air energy air column film and also comprises the following steps:

A. preparing a film layer: preparing a first film layer and a second film layer;

B. processing a polar film: punching a hole on the polar film to form an air inlet hole;

C. compounding: fixing a polar membrane on the first membrane layer and/or the second membrane layer, wherein the part of the polar membrane, which is not compounded with the first membrane layer and/or the second membrane layer, forms an inflation channel with an opening at the upper end;

D. preparing an inflatable part: and carrying out heat seal on the first film layer and the second film layer to form an inflatable member, carrying out heat seal on the inflatable member to form a first heat seal part, sealing an opening on the inflatable channel during heat seal, and reserving a vent hole on the first heat seal part to enable the vent hole to be communicated with the inflatable channel.

The inflation channel is internally provided with a plurality of pressing parts, after the polar membrane is compounded and fixed with the first membrane layer and/or the second membrane layer, the pressing parts are formed between the polar membrane and the first membrane layer and/or the second membrane layer through hot pressing, and each pressing part and the inflation channel form a non-return channel.

The gas filling piece is provided with a plurality of second heat sealing parts which are perpendicular to the first heat sealing parts, each second heat sealing part divides the first gas column cavity into a plurality of second gas column cavities, each second gas column cavity is internally provided with a gas filling channel, the first heat sealing part is provided with a plurality of air holes communicated with the gas filling channels, each gas filling channel is internally provided with a gas inlet hole for introducing gas into the second gas column cavity, and the second heat sealing parts are formed by hot pressing and are finished products after the hot pressing.

The invention has the following positive effects: (1) according to the invention, the first film layer and the second film layer are formed after being co-extruded through the multilayer film, the inflation channel is formed after the first film layer and/or the second film layer is/are compounded with the polar film and is communicated with the inflation cavity and the first air column cavity, and the inflation channel is closed through the air pressure and the adsorbability of the polar film in the inflation process, so that the process steps of separately manufacturing a check valve and thermally synthesizing the check valve and the film layers in the prior art are effectively omitted, the processing efficiency of the film layers is improved, the thickness of the first film layer and/or the second film layer can be increased, the integral toughness is enhanced, the normal ventilation in the first air column cavity can be ensured, the check efficiency can be achieved, and the air-inflation device is efficient and practical.

(2) According to the invention, the polar membrane is fixed with the second membrane layer by arranging the composite part on the polar membrane, and the inflation channel is formed, so that the firmness of connection of the polar membrane and the second membrane layer is ensured.

(3) According to the invention, the air inlet holes are arranged at the positions 1/4-3/4 of the air inflation channel, so that air inflation and air outlet in the first air column cavity can be ensured, and the condition that air leaks or is not inflated due to overhigh or low air inlet holes is avoided.

(4) According to the invention, the non-return channel is formed by arranging the plurality of heat sealing parts in the inflation channel, so that the flow path of the airflow can be effectively extended, the airflow can flow into the first air column cavity smoothly, and the turbulent flow raised in the inflation channel due to overlarge air pressure when the inflation is just started is avoided.

(5) According to the invention, the extending direction of the pressing part is set to be the direction far away from the inflating cavity, and the pressing part and the inflating channel are arranged in a non-parallel manner, so that the setting of a path can be effectively carried out, the backflow of gas is avoided, and the integral stable inflating effect is ensured.

(6) According to the invention, the plurality of second air column cavities are formed by arranging the plurality of second heat sealing parts, so that the use purpose of the inflatable part is increased, the inflatable part can be used according to actual needs, and the practicability and the applicability are better.

(7) According to the invention, the process steps of preparing the film layer, processing the air inlet hole, processing the polar film, preparing the inflatable member and performing thermal synthesis are set, so that the inflatable channel can be quickly and efficiently processed on one hand, the inflatable member can be efficiently processed integrally on the other hand, the forming time of the integral finished product is saved, and the method is convenient and practical.

(8) The invention prevents the reverse flow of the air flow by forming the pressing part through heat seal to form the non-return passage with the air charging passage, and simultaneously extends the length of the flow passage of the air flow, thereby avoiding the explosion of the first air column cavity caused by overlarge air pressure when the air is just charged, and being efficient and practical.

Drawings

In order that the contents of the present patent will be more readily understood, a more particular description of the invention will now be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings

FIG. 1 is a front view of the overall structure of an air energy column membrane of the present invention;

FIG. 2 is a side cross-sectional view of the overall construction of an air energy column membrane of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is a side sectional view showing the entire structure of the air energy column film in the third embodiment;

fig. 5 is a schematic structural diagram of a first gas column chamber divided into a plurality of second gas column chambers according to the present invention.

Detailed Description

(embodiment one)

Referring to fig. 1, 2, 3 and 5, the invention relates to an air energy air column film, which comprises a first film layer 1, a second film layer 2 and a polar film 6 fixed on the second film layer 2, wherein the adsorption force of the polar film is 0.05N-2.5N, the second film layer 2 and the corresponding polar film 6 are fixed to form an inflation channel 8 with an open upper end, the first film layer 1 and the second film layer 2 are thermally sealed to form an inflation piece, the inflation piece forms a first thermal sealing part 3 through thermal sealing and closes the opening on the inflation channel 8, the first thermal sealing part 3 is provided with a vent hole 31 for air intake in the inflation channel 8, the inflation piece is divided into an inflation cavity 4 and a first air column cavity 5 by the first thermal sealing part 3, the inflation channel 8 is communicated with the inflation cavity 4 through the vent hole 31, the polar film 6 is provided with an air inlet hole 82, the air inlet hole 82 is used for controlling the air intake amount of the first air column cavity 5, and the aperture of the air inlet 82 is between 0.25 mm and 20mm, the inflation channel 8 is communicated with the first air column cavity 5 through the air inlet 82, and the polar film 6 can be attached to the corresponding second film layer 2 under the air pressure in the first air column cavity 5 and the adsorption action of the polar film 6, and the inflation channel 8 is closed.

Each polar membrane 6 is the same as the corresponding second membrane layer 2 in size, the bottom of each polar membrane 6 is fixedly connected with the bottom of the second membrane layer 2, a composite part 61 is arranged on each polar membrane 6, the second membrane layer 2 is fixedly connected with the polar membrane 6 through the composite part 61, and the part, which is not composited with the polar membrane 6, of the second membrane layer 2 and the second membrane layer 2 form an inflation channel 8.

The air inlet holes 82 on the polar film 6 are located at 1/4-3/4 of the total length of the air inflation channel 8, and the air inflation pressure range is 0.02 Mpa-0.12 Mpa.

Be equipped with a plurality of second heat seal portions 7 with first heat seal portion 3 perpendicular setting on the inflatable member, each second heat seal portion 7 is separated into a plurality of second gas column chambeies 51 with first gas column chamber 5, all is equipped with inflation channel 8 in each second gas column chamber 51, is equipped with a plurality of air vents 31 with inflation channel 8 intercommunication on the first heat seal portion 3, all is equipped with the inlet port 82 that can let in second gas column chamber 51 with gas on each inflation channel 8.

The width of each second air column cavity 51 is 10 mm-150 mm.

A plurality of pressing portions 81 are provided in the inflation passage 8, and each pressing portion 81 forms a non-return passage for extending an airflow path and preventing backflow of the airflow.

Each stitching 81 extends in a direction away from the inflation chamber 4 and is arranged non-parallel to the direction of extension of the inflation channel 8.

The invention also relates to an air column film processing technology, which comprises an air energy air column film and also comprises the following steps:

A. preparing a film layer: preparing a first film layer 1 and a second film layer 2;

B. and (3) processing a polar membrane 6: punching a hole on the polar film 6 to form an air inlet 82;

C. compounding: fixing the polar membrane 6 on the second membrane layer 6 through a composite part 61, wherein the part of the polar membrane 6 which is not composited with the second membrane layer 2 forms an inflation channel 8 with an opening at the upper end;

D. preparing an inflatable part: the first film layer 1 and the second film layer 2 are heat-sealed to form an air-filled member, a first heat-sealed part 3 is heat-sealed on the air-filled member, an opening of the air-filled passage 8 is sealed during heat sealing, and a vent hole 31 is reserved on the first heat-sealed part 3 and is communicated with the air-filled passage 8.

The inflation channel 8 is internally provided with a plurality of pressing parts 81, after the polar membrane 6 and the second membrane layer 2 are compounded and fixed, the pressing parts 81 are formed between the polar membrane 6 and the second membrane layer 2 through hot pressing, and the pressing parts 81 and the inflation channel 8 form a non-return channel.

Be equipped with a plurality of second heat seal portions 7 with the perpendicular setting of first heat seal portion 3 on the inflatable member, each second heat seal portion 7 is separated into a plurality of second gas column chambeies 51 with first gas column chamber 5, all is equipped with inflation channel 8 in each second gas column chamber 51, be equipped with a plurality of air vents 31 with inflation channel 8 intercommunication on the first heat seal portion 3, all be equipped with on each inflation channel 8 and let in gas inlet port 82 in second gas column chamber 51, second heat seal portion 7 is through hot briquetting to obtain the finished product after hot briquetting.

(second embodiment)

In the patent of the invention, the diameter of the second air column cavity 51 is 20mm, the length of the inflation channel 8 is 7cm, the air inlet 82 is positioned at a position 5.25cm away from the inflation cavity, the aperture of the air inlet 82 is 1mm, and the inflation air pressure is 0.06 Mpa; the other technical features are the same as those in the first embodiment.

(third embodiment)

Referring to fig. 4, in the patent of the present invention, the length of the polar film 6 is smaller than that of the second film layer 2, one end of the polar film 6 is fixedly connected with the second film layer 2 through a composite part 61, the lower end of the polar film 6 is fixed on the second film layer 2, the upper end of the polar film 6 forms an opening with the second film layer 2, and the opening is sealed after the first heat-sealing part 3 is heat-sealed and is communicated with the inflation cavity through the vent hole 31; the other technical features are the same as those in the first embodiment.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only examples of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.