CN113442546A - Double-layer composite aluminum film air release type preparation process - Google Patents
Double-layer composite aluminum film air release type preparation process Download PDFInfo
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- CN113442546A CN113442546A CN202110525197.0A CN202110525197A CN113442546A CN 113442546 A CN113442546 A CN 113442546A CN 202110525197 A CN202110525197 A CN 202110525197A CN 113442546 A CN113442546 A CN 113442546A
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- 239000002131 composite material Substances 0.000 title claims abstract description 41
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 238000007664 blowing Methods 0.000 claims abstract description 101
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 28
- 238000000926 separation method Methods 0.000 claims abstract description 21
- 230000000694 effects Effects 0.000 claims description 18
- 239000003012 bilayer membrane Substances 0.000 claims description 17
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 8
- 238000007731 hot pressing Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000013013 elastic material Substances 0.000 claims description 4
- 210000003437 trachea Anatomy 0.000 claims description 4
- 239000002985 plastic film Substances 0.000 claims description 3
- 229920006255 plastic film Polymers 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000007781 pre-processing Methods 0.000 claims description 2
- 230000003068 static effect Effects 0.000 abstract description 9
- 230000005611 electricity Effects 0.000 abstract description 8
- 239000007789 gas Substances 0.000 description 26
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 15
- 235000017491 Bambusa tulda Nutrition 0.000 description 15
- 241001330002 Bambuseae Species 0.000 description 15
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 15
- 239000011425 bamboo Substances 0.000 description 15
- 239000012528 membrane Substances 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 4
- 238000010030 laminating Methods 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 230000005574 cross-species transmission Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000009461 vacuum packaging Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/0007—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding involving treatment or provisions in order to avoid deformation or air inclusion, e.g. to improve surface quality
- B32B37/003—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding involving treatment or provisions in order to avoid deformation or air inclusion, e.g. to improve surface quality to avoid air inclusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/18—Handling of layers or the laminate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/18—Handling of layers or the laminate
- B32B38/1825—Handling of layers or the laminate characterised by the control or constructional features of devices for tensioning, stretching or registration
- B32B38/1833—Positioning, e.g. registration or centering
Abstract
The invention discloses a double-layer composite aluminum film pneumatic release preparation process, belonging to the field of aluminum films, which can form a pneumatic separation layer in a double-layer film by arranging a bidirectional air cylinder before the double-layer film is extruded, on one hand, the operation of blowing air into the double-layer film is carried out, and the blowing power is generated on the overlapped double-layer film to force the double-layer film to be separated when the double-layer film is close to a blowing cylinder, so that the bulge part containing air bubbles is integrated with other parts, thereby effectively reducing the occurrence of the single bubble bulge, and then, the double-layer film is integrated again by matching with the air suction operation, obviously reducing the amount of the air bubbles in the double-layer film, effectively avoiding the situation of being scraped due to the bulge, obviously improving the quality of finished products compared with the prior art, on the other hand, when the air is inflated, the blowing cylinder is bulged, so that the fluff layer above the blowing cylinder is in frictional contact with the upper layer film, static electricity is generated, so that the stability of the double-layer film after the double-layer film is superposed again is effectively improved, and the quality of the finished product of the composite aluminum film is further improved.
Description
Technical Field
The invention relates to the field of aluminum films, in particular to a double-layer composite aluminum film air release type preparation process.
Background
The aluminum-plastic composite film product is suitable for: and the chemical raw materials, the medical intermediate and the lithium iron phosphate anode material are subjected to moisture-proof, light-proof and vacuum packaging. The two-layer structure is adopted, the toughness is good, and the water and oxygen insulation function is good. The size is not limited, the packaging bags with different specifications and styles can be customized, and the packaging bags can be made into flat bags, three-dimensional bags and other styles. The product is detected by GB standard, meets the requirement of environmental protection (can provide a third party detection report).
In the process of preparing the composite aluminum film in the prior art, the gas between the composite layers can be extruded through the roller to prevent the situation of composite unevenness caused by the gas existing between the composite layers, but the existing gas can easily scrape the bulge and the surface of the composite layer which are generated due to the gas existing on the composite layers when being extruded, so that the surface of the composite layer is damaged in a large area, and the quality of the finished composite aluminum film is poor.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a double-layer composite aluminum film air release preparation process, which comprises the steps of forming an air separation layer in a double-layer film by arranging a bidirectional air cylinder before the double-layer film is extruded, generating blowing power on the overlapped double-layer film to force the double-layer film to be separated when the double-layer film is close to an air blowing cylinder, and integrating a bubble-containing bulge part with other parts, thereby effectively reducing the occurrence of single bubble bulge, integrating the bubble-containing bulge part with an air suction operation again, obviously reducing the bubble amount in the double-layer film, effectively avoiding the situation of being scratched due to bulge, obviously improving the quality of finished products compared with the prior art, on the other hand, when the air is inflated, the air blowing cylinder bulges, and a fluff layer above the air blowing cylinder is in contact with an upper friction layer film to generate static electricity, thereby effectively improving the stability of the double-layer film after the secondary superposition and further improving the quality of the finished product of the composite aluminum film.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A double-layer composite aluminum film air release type preparation process comprises the following steps:
s1, firstly, attaching the aluminum film and the plastic film, and then, passing the attached double-layer film through a roller type composite device to align the edges of the double-layer film;
s2, wrapping the double-layer films outside the bidirectional air cylinder respectively, controlling the double-layer films to be separated and attached by the bidirectional air cylinder continuously for pretreatment, and eliminating bubbles in the double-layer films;
and S3, after pretreatment, the double-layer film is continuously driven to sequentially pass through a roller and an oven of the composite equipment under the action of a production line, and the double-layer film is subjected to hot pressing treatment after being heated by the oven to form the composite aluminum film.
Further, the temperature of the oven is not lower than 200 ℃, and the temperature of hot pressing is not lower than 240 ℃.
Further, the preprocessing in step S2 is specifically operated as:
s21, controlling the cylinder on the left side of the bidirectional air cylinder to blow air outwards along the moving direction of the double-layer film, so that an air separation layer is formed on the left side of the bidirectional air cylinder by the air, and the double-layer film is continuously pre-separated when approaching the bidirectional air cylinder, so that the bubble-containing bulge is integrated with other parts, thereby effectively reducing the occurrence of the single bubble bulge;
s22, controlling the cylinder on the right side of the bidirectional inflator to suck air inwards, enabling the double-layer film far away from the gas separation layer to be close to and attached continuously, and absorbing air between the double-layer film continuously, so that the effect of eliminating bubbles on the double-layer film is achieved.
Furthermore, the speed that gas blew off is 1-1.5 times that the moving speed of bilayer membrane on the assembly line, makes the gas that blows off possess certain impact nature, makes the separation effect to the bilayer membrane better, effectively guarantees the effect of getting rid of the bubble, the speed of breathing in keeps unanimous with the moving speed of bilayer membrane, makes the laminating effect of bilayer membrane after the separation better, and then improves the finished product quality of this compound aluminium membrane.
Further, along the moving direction of double-layer film, two-way inflator is including being located the left section of thick bamboo of blowing and being located the section of thick bamboo of breathing in on right side, the section of thick bamboo of blowing and the section of thick bamboo of breathing in contact with each other, the equal fixedly connected with of one end that the section of thick bamboo of blowing and the section of thick bamboo of breathing in kept away from each other is epitaxial tapered plate, the inside embedding of epitaxial tapered plate has the air guide bulb pipe, one of them tip of the perpendicular double-layer film of the section of thick bamboo of blowing and the section of thick bamboo of breathing in all is connected with the trachea, the trachea communicates with each other with the air guide bulb pipe.
Further, the air guide bulb pipe includes flaring air duct and fixed connection at the half-through balloon of flaring air duct tip, half-through balloon tip is located outside the epitaxial cone board, and the tip that half-through balloon is located outside the epitaxial cone board is the porous structure, when blowing, gas enters into the section of thick bamboo of blowing inside, and enter into half-through balloon along the flaring air duct, then outwards spill over from the hole on its surface, thereby form the gas separation layer in half-through balloon exit department, and then produce the power of blowing to the double-layer membrane that is in the same place of superpose, force the double-layer membrane to separate when being close to the section of thick bamboo of blowing, and then effectively avoid the part of bulging directly with the compound equipment extrusion contact, and then effectively avoid taking place because of the damaged condition of local bulge among the prior art by the scratch.
Furthermore, a plurality of air disturbing strips are fixedly connected to the outer end portion of the upper half-through balloon of the air blowing cylinder, the air disturbing strips are made of flexible materials, when air is blown, the air disturbing strips can generate a certain blocking effect on air flow, the range of the blown air flow along the double-layer film is effectively reduced, the impact force of the air flow directly acting on the double-layer film is reduced, and therefore the double-layer film is not prone to being damaged due to air blowing.
Furthermore, one end of the blowing cylinder facing upwards is provided with a blowing hole, a plurality of inner jacking balls are arranged at the hole opening of the blowing hole facing outwards, and the inner jacking balls are fixedly connected with the inner wall of the blowing cylinder.
Further, it is a plurality of the gas blowing cylinder that interior knob corresponds is made for elastic material, the rest part the gas blowing cylinder and the section of thick bamboo of breathing in are made for hard material, when blowing, some gas outwards spills over along the air guide bulb pipe, and some gas gets into interior knob department from the air blowing drill way, produces thrust to interior knob, makes the section of thick bamboo of blowing just over extrude the projection under a plurality of interior knobs to can with the upper strata membrane frictional contact of bilayer membrane, and then make it produce static, when laminating each other after the section of thick bamboo department of breathing in, make between the two because of electrostatic absorption, it appears mutual skew and inside again the condition emergence of bulging entering the air that appears when reducing its and moving along with the assembly line, further improve the finished quality of this composite aluminium membrane.
Furthermore, the blowing cylinders corresponding to the inner jacking balls are arranged in a concave mode, the fluff layers are connected above the concave parts of the blowing cylinders, when the blowing cylinders expand, protrusions of the fluff layers are in contact with the upper layer film, on one hand, the upper layer film can be protected, so that the upper layer film is not easily damaged when being subjected to force friction, on the other hand, the static electricity generated by friction is higher, and the effect of mutual adsorption after the double-layer film is sucked is better.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) the proposal adopts the bidirectional inflator to blow gas into the double-layer film before the double-layer film is extruded, so that an air separation layer can be formed in the double-layer film, blowing force is generated on the overlapped double-layer films to force the double-layer films to separate when the double-layer films are close to the air blowing cylinder, so that the bulge parts containing air bubbles are integrated with other parts, thereby effectively reducing the occurrence of single bubble bulge, combining the two layers of films together with the air suction operation, obviously reducing the amount of bubbles in the double-layer film, effectively avoiding the situation of being scraped due to bulge, obviously improving the quality of finished products compared with the prior art, on the other hand, when in inflation, the air blowing cylinder bulges, so that the fluff layer above the air blowing cylinder is in frictional contact with the upper layer of film to generate static electricity, thereby effectively improving the stability of the double-layer film after the secondary superposition and further improving the quality of the finished product of the composite aluminum film.
(2) The cylinder on the left side of the bidirectional air cylinder is controlled to blow air outwards along the moving direction of the double-layer film, so that an air separation layer is formed by the air on the left side of the bidirectional air cylinder, the double-layer film is continuously pre-separated when approaching the bidirectional air cylinder, and the bulge part containing air bubbles is integrated with other parts, so that the occurrence of the single bubble bulge is effectively reduced, the air suction operation is matched when the double-layer film is re-integrated after separation, the existence of the bubble bulge inside the double-layer film before hot pressing is obviously reduced, and the situation that the composite equipment is scraped due to the existence of the air bubbles during extrusion is effectively avoided;
(3) the speed that gas blew off is 1-1.5 times of bilayer membrane moving speed on the assembly line, makes the gas that blows off possess certain impact nature, makes the separation effect to the bilayer membrane better, effectively guarantees the effect of getting rid of the bubble, and the speed of breathing in keeps unanimous with the moving speed of bilayer membrane, makes the laminating effect of bilayer membrane after the separation better, and then improves the finished product quality of this compound aluminium membrane.
(4) Along the moving direction of the double-layer film, the bidirectional air cylinder comprises an air blowing cylinder positioned on the left side and an air suction cylinder positioned on the right side, the air blowing cylinder and the air suction cylinder are in mutual contact, one end, far away from the air blowing cylinder and the air suction cylinder, of the air blowing cylinder and the air suction cylinder is fixedly connected with an epitaxial conical plate, an air guide ball pipe is embedded in the epitaxial conical plate, one end, perpendicular to the double-layer film, of the air blowing cylinder and the air suction cylinder is connected with an air pipe, and the air pipe is communicated with the air guide ball pipe.
(5) The air guide bulb pipe includes flaring air duct and fixed connection at the half-through balloon of flaring air duct tip, half-through balloon tip is located outside the epitaxial cone board, and the tip that half-through balloon is located outside the epitaxial cone board is the porous structure, during blowing, gas enters into inside the section of thick bamboo of blowing, and enter into half-through balloon along the flaring air duct, then outwards spill over from the hole on its surface, thereby form the gas separation layer in half-through balloon exit, and then produce the power of blowing to the double-layer membrane that is in the same place, force the double-layer membrane to separate when being close to the section of thick bamboo of blowing, and then effectively avoid the part of bulging directly with the compound equipment extrusion contact, and then effectively avoid taking place by the damaged condition of scratch because of local bulging among the prior art.
(6) The outer tip fixedly connected with of half logical balloon on the gas blowing cylinder is a plurality of air disturbing strips, and the air disturbing strip is made for flexible material, and when blowing, a plurality of air disturbing strips can produce certain hindrance effect to the air current, and then effectively reduce the air current that blows out and along the range of bilayer membrane, reduce the impact force of air current direct action on the bilayer membrane to make the bilayer membrane be difficult for damaging because of blowing.
(7) The upward end of the blowing cylinder is provided with a blowing hole, a plurality of inner top balls are arranged at the hole opening of the blowing hole facing to the outer side, and the inner top balls are fixedly connected with the inner wall of the blowing cylinder.
(8) The air blowing cylinders corresponding to the inner jacking balls are made of elastic materials, the air blowing cylinders and the air suction cylinders of the rest parts are made of hard materials, when air is blown, part of air overflows outwards along the air guide ball pipe, part of air enters the inner jacking balls from the air blowing hole openings and generates thrust to the inner jacking balls, the inner jacking balls are extruded to be protruded directly above the air blowing cylinders, and therefore the air blowing cylinders can be in friction contact with the upper layer film of the double-layer film and further generate static electricity.
(9) The blowing cylinder corresponding to the inner top balls is arranged in a sunken mode, the fluff layer is connected above the sunken position of the blowing cylinder, when the position is expanded, the fluff layer is in contact with the upper layer film in a protruding mode, on one hand, the upper layer film can be protected, so that the upper layer film is not easily damaged when being subjected to force friction, on the other hand, the static electricity generated by friction is higher, and the mutual adsorption effect after the double-layer film is sucked is better.
Drawings
FIG. 1 is a schematic view of the main structure of the production process of the present invention;
FIG. 2 is a schematic three-dimensional structure of the air blowing cylinder of the present invention;
FIG. 3 is a schematic structural view of a cross section of the air blowing cylinder of the present invention;
FIG. 4 is a schematic structural view of a cross section of a suction cylinder according to the present invention;
FIG. 5 is a schematic view showing a modified structure of the top portion of the air-blowing cylinder in the air-blowing of the present invention;
FIG. 6 is a schematic diagram of the main structure of the preparation process of the prior art.
The reference numbers in the figures illustrate:
11 air blowing cylinders, 12 air suction cylinders, 2 extending conical plates, 3 air pipes, 4 air disturbing strips, 51 flaring air guide pipes, 52 semi-through balloons and 6 inner top balloons.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1, arrows in the figure indicate the moving direction of a double-layer film along a production line, a indicates a roller of a compounding device, b indicates the double-layer film, c indicates swelling, d indicates an area for forming a gas-release layer, and the gas-release preparation process of the double-layer compound aluminum film comprises the following steps:
s1, firstly, attaching the aluminum film and the plastic film, and then, passing the attached double-layer film through a roller type composite device to align the edges of the double-layer film;
s2, wrapping the double-layer films outside the bidirectional air cylinder respectively, controlling the double-layer films to be separated and attached by the bidirectional air cylinder continuously for pretreatment, and eliminating bubbles in the double-layer films;
the pretreatment is specifically operated as follows:
s21, controlling the cylinder on the left side of the bidirectional air cylinder to blow air outwards along the moving direction of the double-layer film, so that an air separation layer is formed on the left side of the bidirectional air cylinder by the air, and the double-layer film is continuously pre-separated when approaching the bidirectional air cylinder, so that the bubble-containing bulge is integrated with other parts, thereby effectively reducing the occurrence of the single bubble bulge;
s22, controlling the cylinder on the right side of the bidirectional inflator to suck air inwards, enabling the double-layer film far away from the gas separation layer to be close to and attached continuously, and absorbing air between the double-layer film continuously to achieve the effect of eliminating bubbles on the double-layer film;
and S3, after pretreatment, the double-layer film is continuously driven to sequentially pass through a roller and an oven of the composite equipment under the action of a production line, and the double-layer film is subjected to hot pressing treatment after being heated by the oven to form the composite aluminum film.
The temperature of the oven is not lower than 200 ℃, the temperature of hot pressing is not lower than 240 ℃, the speed of gas blowing is 1-1.5 times of the moving speed of the double-layer film on the assembly line, the gas blown out has certain impact property, the double-layer film is better in separation effect, the bubble removing effect is effectively guaranteed, the gas suction speed is consistent with the moving speed of the double-layer film, the laminating effect of the double-layer film after separation is better, and the finished product quality of the composite aluminum film is further improved.
Referring to fig. 2-4, along the moving direction of the double-layer film, the bidirectional inflator includes an air blowing cylinder 11 located on the left side and an air suction cylinder 12 located on the right side, the air blowing cylinder 11 and the air suction cylinder 12 are in contact with each other, one end of the air blowing cylinder 11 and one end of the air suction cylinder 12 away from each other are both fixedly connected with an outward extending conical plate 2, an air guiding ball pipe is embedded inside the outward extending conical plate 2, one end of the air blowing cylinder 11 and one end of the air suction cylinder 12 perpendicular to the double-layer film are both connected with an air pipe 3, the air pipe 3 is communicated with the air guiding ball pipe, the air guiding ball pipe includes a flared air guiding pipe 51 and a half-through ball 52 fixedly connected to the end of the flared air guiding pipe 51, the end of the half-through ball 52 is located outside the outward extending conical plate 2, and the end of the half-through ball 52 located outside the outward extending conical plate 2 is of a porous structure, during air blowing, air enters the air into the air blowing cylinder 11 and enters the half-through the flared air guiding pipe 51 and then overflows from the pores on the surface, therefore, an air separation layer is formed at the outlet of the semi-through balloon 52, and blowing force is generated on the overlapped double-layer films, so that the double-layer films are separated when approaching the air blowing cylinder 11, and the bulge part is effectively prevented from being directly in extrusion contact with the compound equipment, referring to fig. 6, and the situation that the double-layer films are scratched and damaged due to local bulge in the prior art is effectively avoided.
The outer end fixedly connected with of half logical balloon 52 on the gas blowing barrel 11 is a plurality of air disturbing strips 4, and air disturbing strip 4 is made for flexible material, and when blowing, a plurality of air disturbing strips 4 can produce certain hindrance effect to the air current, and then effectively reduce the air current that blows out and along the range of bilayer membrane, reduce the impact force of air current direct action on the bilayer membrane to make the bilayer membrane be difficult for damaging because of blowing.
Referring to fig. 5, an air blowing hole is drilled at one end of an air blowing cylinder 11 facing upward, a plurality of inner top balls 6 are arranged at an orifice of the air blowing hole facing outward, the inner top balls 6 are fixedly connected with the inner wall of the air blowing cylinder 11, the air blowing cylinder 11 corresponding to the inner top balls 6 is made of an elastic material, the air blowing cylinder 11 and an air suction cylinder 12 at the rest are made of hard materials, when air is blown, part of air overflows along an air guide ball pipe, part of air enters the inner top balls 6 from the air blowing orifice to generate thrust on the inner top balls 6, so that the inner top balls 6 directly above the air blowing cylinder 11 are extruded and protruded, and thus the air can be in frictional contact with an upper layer film of a double-layer film to generate static electricity, when the air suction cylinders 12 are attached to each other, the air blowing cylinder and the air suction cylinder are mutually deviated when moving along with a production line, so that the inner portion is internally blown again into air, the quality of the finished composite aluminum film is further improved, the blowing cylinders 11 corresponding to the inner jacking balls 6 are arranged in a concave mode, the fluff layers are connected above the concave parts of the blowing cylinders 11, and when the fluff layers expand, the protrusions of the fluff layers are in contact with the upper layer film, so that the upper layer film can be protected, the upper layer film is not easily damaged when the upper layer film is subjected to forced friction, the static electricity generated by friction is higher, and the mutual adsorption effect of the double-layer film after air suction is better.
Through the arrangement of the bidirectional air cylinder, before the double-layer film is extruded, on one hand, the operation of blowing air into the interior can be performed, an air separation layer can be formed in the double-layer film, blowing power is generated on the overlapped double-layer film, the double-layer film is forced to be separated when approaching the air blowing cylinder 11, and the bubble-containing bulge part is integrated with other parts, so that the occurrence of the independent bubble bulge is effectively reduced, and then the air suction operation is matched to be integrated again, the bubble amount in the double-layer film is obviously reduced, the situation that the bubble is scratched due to bulge is effectively avoided, and compared with the prior art, the finished product quality is obviously improved.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (10)
1. A double-layer composite aluminum film pneumatic release preparation process is characterized by comprising the following steps: the method comprises the following steps:
s1, firstly, attaching the aluminum film and the plastic film, and then, passing the attached double-layer film through a roller type composite device to align the edges of the double-layer film;
s2, wrapping the double-layer films outside the bidirectional air cylinder respectively, controlling the double-layer films to be separated and attached by the bidirectional air cylinder continuously for pretreatment, and eliminating bubbles in the double-layer films;
and S3, after pretreatment, the double-layer film is continuously driven to sequentially pass through a roller and an oven of the composite equipment under the action of a production line, and the double-layer film is subjected to hot pressing treatment after being heated by the oven to form the composite aluminum film.
2. The double-layer composite aluminum film pneumatic type preparation process according to claim 1, characterized in that: the temperature of the oven is not lower than 200 ℃, and the temperature of the hot pressing is not lower than 240 ℃.
3. The double-layer composite aluminum film pneumatic type preparation process according to claim 2, characterized in that: the preprocessing in the step S2 is specifically operated as:
s21, controlling the cylinder on the left side of the bidirectional air cylinder to blow air outwards along the moving direction of the double-layer film, so that an air separation layer is formed on the left side of the bidirectional air cylinder by the air, and the double-layer film is continuously pre-separated when approaching the bidirectional air cylinder, so that the bubble-containing bulge part is integrated with other parts;
s22, controlling the cylinder on the right side of the bidirectional inflator to suck air inwards, enabling the double-layer film far away from the gas separation layer to be close to and attached continuously, and absorbing air between the double-layer film continuously, so that the effect of eliminating bubbles on the double-layer film is achieved.
4. The double-layer composite aluminum film pneumatic type preparation process according to claim 3, characterized in that: the speed of the gas blown out is 1-1.5 times of the moving speed of the double-layer film on the production line, and the speed of the gas suction is consistent with the moving speed of the double-layer film.
5. The double-layer composite aluminum film pneumatic type preparation process according to claim 1, characterized in that: moving direction along the bilayer membrane, the bidirectional air cylinder is including being located left gas blowing cylinder (11) and being located cylinder (12) of breathing in on right side, gas blowing cylinder (11) and cylinder (12) of breathing in contact with each other, the equal fixedly connected with epitaxial taper plate (2) of one end that gas blowing cylinder (11) and cylinder (12) kept away from each other, epitaxial taper plate (2) inside is inlayed and is had air guide ball pipe, one of them tip of gas blowing cylinder (11) and cylinder (12) perpendicular bilayer membrane of breathing in all is connected with trachea (3), trachea (3) communicate with each other with the air guide ball pipe.
6. The double-layer composite aluminum film pneumatic type preparation process according to claim 5, characterized in that: the air guide bulb pipe comprises a flaring air guide tube (51) and a semi-through balloon (52) fixedly connected to the end part of the flaring air guide tube (51), the end part of the semi-through balloon (52) is located outside the extension conical plate (2), and the end part of the semi-through balloon (52) located outside the extension conical plate (2) is of a porous structure.
7. The double-layer composite aluminum film pneumatic type preparation process according to claim 6, characterized in that: the outer end part of the upper half-through balloon (52) of the air blowing cylinder (11) is fixedly connected with a plurality of air disturbing strips (4), and the air disturbing strips (4) are made of flexible materials.
8. The double-layer composite aluminum film pneumatic type preparation process according to claim 7, characterized in that: one end of the air blowing cylinder (11) facing the upper side is provided with an air blowing hole, a plurality of inner ejecting balls (6) are arranged at the hole opening of the air blowing hole facing the outer side, and the inner ejecting balls (6) are fixedly connected with the inner wall of the air blowing cylinder (11).
9. The double-layer composite aluminum film pneumatic type preparation process according to claim 8, characterized in that: the air blowing cylinders (11) corresponding to the inner jacking balls (6) are made of elastic materials, and the rest air blowing cylinders (11) and the rest air suction cylinders (12) are made of hard materials.
10. The double-layer composite aluminum film pneumatic type preparation process according to claim 9, characterized in that: the positions of the air blowing cylinders (11) corresponding to the inner jacking balls (6) are sunken and connected with fluff layers.
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