CN113370485A - Plastic-aluminum membrane production facility - Google Patents
Plastic-aluminum membrane production facility Download PDFInfo
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- CN113370485A CN113370485A CN202110741885.0A CN202110741885A CN113370485A CN 113370485 A CN113370485 A CN 113370485A CN 202110741885 A CN202110741885 A CN 202110741885A CN 113370485 A CN113370485 A CN 113370485A
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- aluminum
- composite
- aluminum foil
- heating
- plastic film
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 36
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 129
- 239000011888 foil Substances 0.000 claims abstract description 103
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- 238000009501 film coating Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0021—Combinations of extrusion moulding with other shaping operations combined with joining, lining or laminating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
- B29C65/64—Joining a non-plastics element to a plastics element, e.g. by force
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
- B29C65/7858—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus characterised by the feeding movement of the parts to be joined
- B29C65/7861—In-line machines, i.e. feeding, joining and discharging are in one production line
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/45—Joining of substantially the whole surface of the articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/74—Joining plastics material to non-plastics material
- B29C66/742—Joining plastics material to non-plastics material to metals or their alloys
- B29C66/7422—Aluminium or alloys of aluminium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses an aluminum-plastic film production device which comprises an unreeling device, a preheating device, a composite extrusion device, a bonding device and a reeling device, wherein the unreeling device is used for unreeling an aluminum foil, and the preheating device is arranged on one side of the unreeling device; the composite extrusion device is arranged on one side of the preheating device, which is far away from the unreeling device, and comprises an extruder and a composite mechanism, wherein the extruder is used for extruding a composite film, and the composite mechanism is used for compounding the composite film on the surface of the aluminum foil; the bonding device is arranged on one side of the composite extrusion device, which is far away from the preheating device, and is used for bonding the composite film on the surface of the aluminum foil; the winding device is arranged on one side of the bonding device, which is far away from the composite extrusion device, and is used for winding the aluminum-plastic film; the unwinding device, the preheating device, the composite extrusion device, the bonding device and the winding device are driven by the driving roller to move along the conveying direction. The technical scheme of the invention aims to improve the adhesiveness of the aluminum-plastic film and improve the product quality of the aluminum-plastic film.
Description
Technical Field
The invention relates to the technical field of laminating processing equipment, in particular to aluminum plastic film production equipment.
Background
The aluminum-plastic composite film is an encapsulation film of a soft package battery, a power battery and the like. The demand for aluminum plastic films for battery packaging is increasing along with the increase in demand for batteries. In the production process of the aluminum-plastic film, the film is extruded and then is attached to the surface of the aluminum foil so as to protect the aluminum foil. In the related technology, after the composite film is attached to the surface of the aluminum foil, the aluminum-plastic composite film is wound, so that the viscosity of the produced aluminum-plastic composite film product is not high, the film and the aluminum foil are easily separated, and the quality of the aluminum-plastic composite film battery using the aluminum-plastic composite film are affected.
Disclosure of Invention
The invention mainly aims to provide aluminum plastic film production equipment, aiming at ensuring the smoothness of the adhesion of an aluminum plastic film.
In order to achieve the above object, the present invention provides an aluminum-plastic film production apparatus, comprising:
the unwinding device is used for unwinding the aluminum foil;
the preheating device is arranged on one side of the unwinding device;
the composite extrusion device is arranged on one side, away from the unreeling device, of the preheating device and comprises an extruder and a composite mechanism, the extruder is used for extruding a composite film, and the composite mechanism is used for compounding the composite film on the surface of the aluminum foil;
the bonding device is arranged on one side of the composite extrusion device, which is far away from the preheating device, and is used for bonding the composite film on the surface of the aluminum foil; and
the winding device is arranged on one side, away from the compound extrusion device, of the bonding device and used for winding the aluminum-plastic film;
the unwinding device, the preheating device, the composite extrusion device, the bonding device and the winding device are driven by a driving roller to move along the conveying direction.
In an embodiment of the present invention, the unwinding device, the preheating device, the composite extrusion device, the bonding device, and the winding device are linearly arranged.
In an embodiment of the present invention, the aluminum-plastic film production equipment further includes an edge cutting device, the edge cutting device is disposed between the compound extrusion device and the bonding device, and the edge cutting device is configured to cut off the compound film outside the edge of the aluminum foil.
In an embodiment of the present invention, the aluminum-plastic film production equipment further includes a thickness detector, which is disposed between the coextrusion device and the bonding device and is used for measuring the thickness of the coextruded film.
In an embodiment of the present invention, the winding device includes at least one winding roller and a film cutting assembly, the film cutting assembly is disposed on one side of the winding roller, and the film cutting assembly is configured to cut an aluminum foil.
In an embodiment of the present invention, the aluminum-plastic film production equipment further includes a deviation rectification device, the deviation rectification device is disposed between the winding device and the bonding device, and the deviation rectification device is used for rectifying the position of the aluminum foil.
In an embodiment of the invention, the bonding device comprises a heating assembly and a cooling assembly which are arranged at intervals, the heating assembly is arranged close to one side of the composite extrusion device, the cooling assembly is arranged at one side of the heating assembly far away from the composite extrusion device, an aluminum foil sequentially passes through the heating assembly and the cooling assembly, and the heating assembly is used for heating the aluminum foil and the composite film so as to melt part of the structure of the composite film.
In an embodiment of the present invention, the heating unit includes a plurality of heating rollers sequentially disposed, and heating temperatures of the heating rollers are incrementally set one by one in a conveying direction of the aluminum foil.
In an embodiment of the present invention, the number of the heating rollers is three, and central axes of the three heating rollers are located on the same horizontal plane.
In an embodiment of the invention, the cooling assembly comprises a plurality of cooling rollers arranged in sequence, and the cooling temperature of the cooling rollers decreases gradually one by one in the conveying direction of the aluminum foil.
The aluminum plastic film production equipment comprises an unreeling device, a preheating device, a composite extruding device, a bonding device and a reeling device which are sequentially arranged, wherein the unreeling device is used for fixing an aluminum foil and unreeling the aluminum foil, so that the aluminum foil is sequentially conveyed to the preheating device, the composite extruding device, the bonding device and the reeling device under the driving of a driving roller, and the film covering work of the aluminum foil is conveniently completed. In addition, according to the technical scheme, the bonding device is arranged behind the composite extrusion device, and the bonding device can re-melt the composite film and firmly bond the composite film to the surface of the aluminum foil. Compared with the prior art, the technical scheme of the invention is additionally provided with the bonding device, so that the bonding device can firmly bond the composite film on the surface of the aluminum foil, the bonding property of the aluminum foil and the composite film is improved, and the product quality is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of an apparatus for producing an aluminum-plastic film according to the present invention;
FIG. 2 is a top view of the aluminum-plastic film production apparatus of FIG. 1;
FIG. 3 is a schematic view of the bonding apparatus of FIG. 1;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a schematic structural diagram of the deviation correcting device of the present invention;
FIG. 6 is a schematic view of the edge cutting device according to the present invention;
FIG. 7 is a schematic view of the heated roller of the bonding apparatus of FIG. 3.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides an aluminum-plastic film production device 1.
Referring to fig. 1 to 5, the aluminum-plastic film production equipment 1 provided by the invention comprises an unwinding device 10, wherein the unwinding device 10 is used for unwinding an aluminum foil 2; the preheating device 20 is arranged on one side of the unwinding device 10; the composite extrusion device 30 is arranged on one side, away from the unreeling device 10, of the preheating device 20, the composite extrusion device 30 comprises an extruder 31 and a composite mechanism 35, the extruder 31 is used for extruding a composite film, and the composite mechanism 35 is used for compounding the composite film on the surface of the aluminum foil 2; the bonding device 40 is arranged on one side of the composite extrusion device 30 away from the preheating device 20, and the bonding device 40 is used for bonding the composite film to the surface of the aluminum foil 2; the winding device 50 is arranged on one side, away from the compound extrusion device 30, of the bonding device 40, and the winding device 50 is used for winding the aluminum-plastic film; the unwinding device 10, the preheating device 20, the compound extrusion device 30, the bonding device 40, and the winding device 50 are driven by a driving roller to move the aluminum foil 2 along the conveying direction.
The aluminum plastic film production equipment 1 comprises an unreeling device 10, a preheating device 20, a composite extruding device 30, a bonding device 40 and a reeling device 50 which are sequentially arranged, wherein the unreeling device 10 is used for fixing a raw material aluminum foil 2 and unreeling the aluminum foil 2, so that the aluminum foil 2 is sequentially conveyed to the preheating device 20, the composite extruding device 30, the bonding device 40 and the reeling device 50 under the driving of a driving roller, and the film covering work of the aluminum foil 2 is conveniently completed. In this way, according to the technical solution of the present invention, by disposing the bonding device 40 after the composite extrusion device 30, the bonding device 40 can re-melt the composite film and firmly bond the composite film to the surface of the aluminum foil 2. Compared with the prior art, the technical scheme of the invention is additionally provided with the bonding device 40, so that the bonding device 40 can firmly bond the composite film on the surface of the aluminum foil 2, the bonding property of the aluminum foil 2 and the composite film is improved, and the product quality is improved.
In an embodiment of the present invention, the unwinding device 10 includes an unwinding mounting base 11, an unwinding roller 13 and an unwinding driving mechanism 15. The unwinding mounting seat 11 provides a mounting carrier for the unwinding roller 13 and the unwinding driving mechanism 15. Unreel mount pad 11 can be the metal material, also can be materials such as marble to promote the fastness of unreeling mount pad 11. The unreeling mounting base 11 can be fixed on the ground of a factory building through screws, pins, bolts or the like. The unwinding driving mechanism 15 is in transmission connection with the unwinding roller 13 to drive the unwinding roller 13 to roll relative to the unwinding mounting seat 11. The aluminum foil 2 is of a purchased roll structure, and the aluminum foil 2 is fixed on the unwinding roller 13, so that the unwinding roller 13 rotates to drive the aluminum foil 2 to rotate, and the aluminum foil 2 is unwound to realize film coating processing and the like of the aluminum foil 2. It is understood that, in order to realize the conveying of the aluminum foil 2, a driving roller is further provided in the unwinding device 10, and the driving roller provides a power source for the conveying of the aluminum foil 2. The number of the driving rollers may be one or more. When unwinding device 10 was last to be equipped with a plurality of drive rollers, a plurality of drive rollers intervals set up to, the axis of a plurality of drive rollers can also not be on same horizontal plane, so, can adjust the direction of transfer of aluminium foil 2, so that aluminium foil 2 is connected with other mechanisms.
Further, the preheating device 20 includes a preheating mounting base 21, a preheating roller 23, and a preheating driving mechanism 25. The preheat mounting block 21 provides a mounting carrier for the preheat roller 23 and the preheat drive mechanism 25. The preheating mounting base 21 may be made of metal or marble, so as to improve the firmness of the preheating mounting base 21. The preheating driving mechanism 25 is in transmission connection with the preheating roller 23 to provide power for the rotation of the preheating roller 23. Likewise, the preheating device 20 is also provided with a plurality of driving rollers to provide a power source for the transport of the aluminum foil 2. Wherein, a plurality of driving rollers are respectively positioned at both sides of the preheating roller 23 so that the aluminum foil 2 smoothly passes through the preheating roller 23. The preheating roller 23 rotates relative to the preheating mounting base 21, and the aluminum foil 2 can be in contact with the surface of the preheating roller in the transmission process, so that the heat on the surface of the preheating roller 23 can be transferred to the aluminum foil 2 through heat conduction, and the aim of preheating the aluminum foil 2 is fulfilled. When the aluminum foil 2 passes through the preheating roller 23, the preheating roller 23 of the aluminum foil 2 can preheat the aluminum foil 2, so that the temperature of the aluminum foil 2 is increased to 100 ℃ to 120 ℃, the temperature difference between the composite films extruded by the composite extrusion device 30 is reduced, and the influence on the quality of the aluminum plastic film caused by excessive cold shrinkage of the composite films due to the temperature difference is reduced. It is understood that the preheating roll 23 may be a constant temperature hot water roll, or may be a constant temperature oil roll. The achievement of the constant temperature of the preheating roller 23 can be achieved by heating the medium inside the preheating roller 23.
Further, in an embodiment of the present invention, the compound extrusion apparatus 30 includes an extruder 31, a compound mounting base 32, a compound driving mechanism 33, and a compound mechanism 35. The compound driving mechanism 33 is disposed on the compound mounting base 32 and below the extruder 31. Extruder 31 is then secured to one side of composite mount 32, and extruder 31 extrusion head 313 is positioned above composite mount 32. The extruder 31 is provided with a co-extrusion distributor 315, a plurality of hoppers 311 and a plurality of extrusion heads 313, wherein one extrusion head 313 is connected to the bottom of one hopper 311, and the hopper 311 is used for containing granular plastic, heating the granular plastic to a molten state and then extruding the granular plastic through the extrusion heads 313. The extrusion heads 313 are all connected with the co-extrusion distributor 315, the co-extrusion distributor 315 can fuse and compound the molten plastic extruded by the extrusion heads 313 on the surface of the aluminum foil 2, and the molten plastic can be precooled and quickly condensed into a composite film when being attached to the surface of the aluminum foil 2. It can be understood that the types of plastics added to each hopper 311 are different, so that the composite film extruded by the extruder 31 has multiple layers of composite films with different materials.
In an embodiment of the present invention, the extruder 31 has a total of three hoppers 311, wherein the three hoppers 311 respectively contain polypropylene (PP) plastic particles, polyester resin (PET) plastic particles and Polyethylene (PE) plastic particles. Wherein, PP is thermoplastic synthetic resin with excellent performance, and a proper amount of adhesive is added, so that the polypropylene can be extruded to form a good hot melt film. The PET has good mechanical property, the impact strength of the PET is 3-5 times that of other films, and the folding resistance is good. PE has high heat resistance, impact resistance, puncture resistance and the like. Thus, the composite film extruded by the extruder 31 may have three layers among them. In the structure of the composite film, a hot melting layer, a framework layer and a heat sealing layer are sequentially arranged from the surface of the aluminum foil 2 to the surface back to the aluminum foil 2. The heat-sealing layer is made of PP (polypropylene), the melting point of the heat-sealing layer is low, the framework layer is made of PET (polyethylene terephthalate), the melting point of the framework layer is relatively high, the heat-sealing layer can well support the composite film due to high-quality mechanical property of the heat-sealing layer, and the heat-sealing layer is made of PE (polyethylene) and has high melting point, good waterproof property and puncture resistance. The composite film extruded by the extruder 31 has a three-layer structure, so that the performance of the composite film is stable, and the quality of the aluminum-plastic film is improved.
It can be understood that extruder 31 can be directly fixed in the ground in the factory building, and the bottom of extruder 31 still is equipped with the walking wheel to conveniently move extruder 31, promote the flexibility of extruder 31. Alternatively, a loading vehicle can be used to directly load the fixed extruder 31, which further facilitates the movement of the extruder 31, and further improves the flexibility of the extruder 31.
In an embodiment of the present invention, the extruder 31 is provided with a feeding mechanism 317, and the feeding mechanism 317 can automatically add materials into each hopper 311 to ensure that enough materials are in the hopper 311 of the extruder 31, so that the extruder 31 can continuously extrude the composite film, and the automation degree and the production efficiency of the aluminum plastic film production equipment 1 are improved.
Similarly, the composite drive mechanism 33 may be a plurality of drive rollers arranged in sequence, and the plurality of drive rollers may be rotatably arranged with respect to the composite mount 32. The drive roller can pull the aluminium foil 2 in motion. In particular, the drive rollers may be driven by a motor, i.e. the output shaft of the motor may be drivingly connected to one or more of the drive rollers. Between a plurality of drive rollers, can also promote driven stability between the driving roller through the lazytongs transmission connection to ensure the driven stability of aluminium foil 2.
In an embodiment of the present invention, the composite mounting seat 32 is further provided with a composite mechanism 35, the composite mechanism 35 includes a first composite roller 351 and a second composite roller 353 which are matched with each other, the first composite roller 351 and the second composite roller 353 are both rotatably disposed relative to the composite mounting seat 32, the first composite roller 351 and the second composite roller 353 are disposed close to each other, the aluminum foil 2 sequentially passes through the first composite roller 351 and the second composite roller 353 under the driving of the driving roller, and a tangent line of the first composite roller 351 and a tangent line of the second composite roller 353 are disposed to coincide with a center line of an extrusion opening of the co-extrusion distributor 315. In this way, the composite film flowing out of the extrusion opening of the coextrusion dispenser 315 in a molten state falls on the aluminum foil 2 between the first composite roller 351 and the second composite roller 353 under the action of gravity, and is uniformly composited on the surface of the aluminum foil 2, so that the uniformity of the composite film is improved.
Further, the bonding apparatus 40 includes a bonding mounting base 41, a bonding driving mechanism 42, and a heating assembly 43 and a cooling assembly 45 sequentially disposed on the bonding mounting base 41. The adhesive mount 41 provides a mounting carrier for the adhesive drive mechanism 42, the heating assembly 43, and the cooling assembly 45. The adhesive mounting base 41 may be made of metal or marble, so as to improve the firmness of the adhesive mounting base 41. Further, the adhesion driving mechanism 42 includes a plurality of driving rollers disposed in sequence, and each of the plurality of driving rollers is rotatably disposed with respect to the adhesion mounting base 41. The drive rollers may be driven by a motor, i.e. the output shaft of the motor may be in driving connection with one or more of the drive rollers. Between a plurality of drive rollers, can also promote driven stability between the driving roller through the lazytongs transmission connection to ensure the driven stability of aluminium foil 2.
The bonding driving mechanism 42 drives the aluminum foil 2 and the composite film attached to the surface of the aluminum foil 2 to sequentially pass through the heating assembly 43 and the cooling assembly 45. Wherein, the heating assembly 43 heats the aluminum foil 2 and the composite film to melt the hot melt layer material in the composite film, and after the hot melt layer is melted, the viscosity of the hot melt layer is increased, so that the hot melt layer can be better adhered to the surface of the aluminum foil 2. After the cooling assembly 45 is disposed on the heating assembly 43, after the hot-melt layer material in the composite film is melted and firmly bonded with the aluminum foil 2, the cooling assembly 45 is further used to cool the aluminum foil 2, so that the hot-melt layer material in the composite film is solidified again to maintain the bonding state between the composite film and the aluminum foil 2, and thus, a bonded aluminum-plastic film is formed. In the embodiment of the invention, the aluminum foil 2 and the composite film are bonded by the bonding device 40, so that the bonding firmness between the aluminum foil 2 and the composite film is improved, the bonding viscosity between the composite film and the aluminum foil 2 is effectively improved, the peeling strength between the composite film and the aluminum foil 2 is improved, and the quality of the aluminum-plastic film is improved.
Further, in an embodiment of the present invention, the heating element 43 and the cooling element 45 may be disposed at an interval, so that after the hot-melt layer reaches the melting point temperature, a sufficient bonding time can be reserved, and it is ensured that the hot-melt layer can have a sufficient time to bond with the aluminum foil 2 after melting, thereby improving the bonding effect of the aluminum foil 2. Further, the heating unit 43 includes a plurality of heating rollers disposed in sequence, which are also disposed at intervals, and heating temperatures of which are gradually increased in the conveying direction of the aluminum foil 2. Therefore, the temperature difference between the adjacent heating rollers can be reduced, and the problems of folds and unevenness of the aluminum plastic film caused by the fact that the heating temperature of the composite film is high are avoided. It is understood that the number of the heating rollers may be two, three, four or five, etc., as long as gradual heating of the aluminum plastic film is achieved to avoid the situation that the aluminum plastic film wrinkles due to too fast temperature change, and the number of the heating rollers is not limited herein.
Further, in an embodiment of the present invention, when there are a plurality of heating rollers, the plurality of heating rollers may be arranged in parallel along the conveying direction, that is, the central axes of the plurality of heating rollers are on the same horizontal plane, so that the installation of the heating assembly 43 is facilitated, the heating state of the aluminum-plastic film is also conveniently and visually observed, and the heating temperature of each heating roller is conveniently adjusted. Of course, the central axes of the plurality of heating rollers may not be on the same plane. That is, the plurality of heating rollers may be located at different heights, i.e., in a staggered arrangement. So, can reduce heating element 43 in the ascending span of horizontal direction, and then reduce the space that heating element 43 shared, reduce the space of plastic-aluminum membrane production facility 1, from reaching the purpose of saving space, promoting space utilization.
In one embodiment of the present invention, the number of the heating rollers is three. Among them, the three heating rollers are a first heating roller 431, a second heating roller 433, and a third heating roller 43 which are sequentially disposed along the conveying direction of the aluminum foil 2. Wherein the heating temperature of the first heating roller 431 is 60 ℃ to 80 ℃, the heating temperature of the second heating roller 433 is 110 ℃ to 130 ℃, and the heating temperature of the third heating roller 43 is 160 ℃ to 200 ℃. Thus, the heating temperatures of the first heating roller 431, the second heating roller 433 and the third heating roller 43 are increased in a stepwise manner, on one hand, the heating flow of the aluminum foil 2 can be increased, the heating time is prolonged, and the situation that the melting state of the hot-melt layer in the composite film is influenced because a partial area does not reach the preset temperature due to too short heating time is prevented, so that the hot-melt layer does not have the adhesion degree; on the other hand, the heating temperatures of the first heating roller 431, the second heating roller 433 and the third heating roller 43 are set to be increased in a stepwise manner, so that the problem that the composite film is wrinkled and the aluminum-plastic film is not flat due to the fact that sticky molecules in the hot-melt layer are degraded and lose stickiness due to too large temperature change in the process of bonding the hot-melt layer with the aluminum foil 2 can be avoided. The heating temperatures of the first heating roller 431, the second heating roller 433 and the third heating roller 43 are increased in a stepwise manner, so that the composite film and the aluminum foil 2 are kept flat in the bonding process, and the quality of the aluminum plastic film is improved.
Further, in an embodiment of the present invention, the heating medium inside the heating roller may be heat conduction oil, an electric heating rod, an electromagnetic heating coil, or the like, as long as the heating roller reaches a preset temperature to heat the aluminum foil 2 and the composite film, and the heating medium inside the heating roller is not limited herein.
Further, in an embodiment of the present invention, a temperature detector 49 may also be provided to check the instant temperature of the aluminum foil 2. For example, an infrared temperature sensor may be provided at the rear side of each heating roller, and the heating temperature of each heating roller may be adjusted in time by the detection of the temperature detector 49 to ensure that the heating roller heats the aluminum foil 2 and the composite film to a preset temperature. Under the condition that the heating temperature does not reach the standard, the heating temperature of each heating roller can be properly adjusted according to the detected temperature value, so that the flexibility of the heating assembly 43 is improved.
Further, in an embodiment of the present invention, the bonding apparatus further includes a plurality of reduction rolls 47, and the side walls of the reduction rolls 47 are disposed in a gap with the side walls of the heating or cooling rolls. When the aluminum foil 2 and the composite film are heated or cooled, the calendering rollers 47 can apply extrusion force and extension force to the aluminum foil 2 and the composite film, so that the aluminum foil 2, the composite film and the extension function, the aluminum-plastic film after being rolled can be subjected to the shearing force and the tensile stress, and the flatness of the aluminum-plastic film is further ensured. It can be understood that, because the temperature, the speed ratio and the roll spacing in the calendering process are mutually linked and restricted, the adjustment can be carried out according to the specific requirements of the finished aluminum-plastic film.
Further, in an embodiment of the present invention, the heating unit 43 may be a heating box (not shown) in addition to the heating roller. Be equipped with heating space in the heating cabinet, heating space is both ends intercommunication setting, and aluminium foil 2 and composite film can pass through heating space setting. Wherein, the heating temperature in the heating space rises gradually along the direction of transfer of plastic-aluminum membrane and sets up to the realization is heated the setting to heating temperature gradually. It is understood that the heating element in the heating box can be a heating coil or a heating rod, and the heating element can be arranged above and/or below the aluminum-plastic film so as to heat the aluminum-plastic film. When the aluminum foil 2 and the composite film pass through the heating space, the aluminum foil 2 and the composite film are heated through air conduction.
Further, in an embodiment of the present invention, the cooling unit 45 includes a plurality of cooling rollers arranged in sequence, and the cooling temperature of the cooling rollers is decreased one by one in the conveying direction of the aluminum foil 2. The cooling medium for the cooling roll may be cold water or a cooling liquid, and the cooling medium for the cooling roll is not limited herein. The cooling temperature of the plurality of cooling rollers gradually decreases along the conveying direction of the aluminum plastic film. Therefore, the sudden temperature drop of the aluminum-plastic film in a high-temperature state can be avoided, and the excessive shrinkage of the aluminum-plastic film caused by rapid cold shrinkage of the aluminum-plastic film due to the sudden temperature drop is avoided.
Further, in an embodiment of the present invention, the cooling unit 45 includes a first cooling roller 451 and a second cooling roller 453, the first cooling roller 451 and the second cooling roller 453 being disposed at intervals along the driving direction of the aluminum foil 2, wherein the first cooling roller 451 is disposed adjacent to the third heating roller 43. The cooling temperature of the first cooling roll 451 is 70 to 80 c, and the cooling temperature of the second cooling roll 453 is 30 to 40 c, so that the aluminum plastic film can be rapidly cooled to the normal temperature. Through setting up the first chill roll 451 and the second chill roll 453 that the interval set up, so, also can the plastic-aluminum membrane from nearly 200 ℃ high temperature dip to the normal atmospheric temperature, avoid the plastic-aluminum membrane to cause the excessive problem that contracts of plastic-aluminum membrane and cause the unevenness because of the rapid shrinkage of temperature dip for the plastic-aluminum membrane surfacing after the bonding promotes the quality of plastic-aluminum membrane.
Further, in an embodiment of the present invention, the winding device 50 includes a winding mounting seat 51, a winding roller 52, a winding driving mechanism 53, and a film cutting assembly 54. The rolling installation seat 51 can be fixed on the ground of the factory building through screws or pins. The winding mounting seat 51 can provide a mounting carrier for the winding roller 52, the winding driving mechanism 53, the film cutting assembly 54 and the like. The winding mount 51 may be made of metal, material, or the like, as long as the strength requirement of the winding mount 51 can be satisfied, and the material of the winding mount 51 is not limited herein. Further, in an embodiment of the present invention, the winding mounting seat 51 may be provided with two winding rollers 52, so that when one winding roller 52 finishes winding the aluminum plastic film, another winding roller 52 may be directly used to continue winding the aluminum plastic film, so as to ensure continuous production. At this time, the quality inspection or packaging work can be performed on the aluminum plastic film wound by the winding roller 52, so that the waiting time is reduced, and the winding efficiency of the aluminum plastic film is improved. The winding driving mechanism 53 is a plurality of driving rollers to pull the aluminum plastic film to move towards the winding roller 52, and the winding driving mechanism 53 is in transmission connection with the winding roller 52 to provide power for the rotation of the winding roller 52. The film cutting assembly 54 is disposed on one side of the winding roller 52, and the film cutting assembly 54 includes a film cutting blade 541 and a blade seat 543, wherein the film cutting blade 541 can move toward or away from the blade seat 543. The aluminum-plastic film is transferred between the film cutting knife 541 and the knife seat 543, and when the aluminum-plastic film needs to be cut, the film cutting knife 541 moves towards the knife seat 543 to cut the aluminum-plastic film. It is understood that the film cutting blade 541 can be an automatic film cutting blade 541, and the film cutting blade 541 can be driven by a motor to automatically move closer to or away from the blade seat 543.
Further, in an embodiment of the present invention, the rolling device 50 is further provided with a counter, and the counter is used for measuring the length of the aluminum-plastic film. Specifically, the counter is a roller counter, and can be installed on one side of the wind-up roll 52, and when the aluminum plastic film moves, the roller of the counter is driven to rotate, and the moving length of the aluminum plastic film can be obtained according to the number of rolling turns of the roller, so that the length of the aluminum plastic film passing through the film cutting knife 541 is calculated. Alternatively, a counter may be installed on the tool apron 543 to calculate the length of the aluminum-plastic film by collecting the conveying time and the conveying speed of the aluminum-plastic film.
Further, in an embodiment of the present invention, the aluminum-plastic film production equipment 1 further includes a deviation rectification device 60, the deviation rectification device 60 is disposed between the bonding devices 40 of the winding device 50, and the deviation rectification device 60 is used for rectifying the position of the aluminum foil 2.
In the technical solution of an embodiment of the present invention, the deviation rectifying device 60 is used for rectifying the position of the aluminum foil 2 during the transmission process, so that the aluminum foil 2 can be wound and packaged neatly, and the winding quality of the aluminum-plastic film is improved. In an embodiment of the present invention, the deviation rectifying device 60 may be a stand-alone device. Specifically, the deviation correcting device 60 includes a deviation correcting frame 61, a movable supporting frame 63, a sensing assembly 65 and a driving member 67. Wherein, the deviation rectifying frame 61 is provided with a sliding chute 611, and the length extending direction of the sliding chute 611 is consistent with the length extending direction of the conveying roller 62; the movable support 63 is slidably disposed in the sliding slot 611 of the deviation rectifying frame 61 through a pulley 631 and the like, and the deviation rectifying frame 61 is further provided with a conveying roller 62 for drawing the aluminum plastic film to move along the conveying direction. The number of the sensing assemblies 65 is at least two, two sensing assemblies 65 are arranged above the driving roller, and the two sensing assemblies 65 are arranged on the deviation rectifying frame 61 at intervals along the length extending direction of the parallel conveying roller 62 and can be close to or far away from each other; the driving member 67 is electrically connected to the sensing assembly 65 and is drivingly connected to the movable supporting frame 63 to drive the movable supporting frame 63 to slide along the length extending direction of the conveying roller 62. Specifically, then when sensing assembly 65 sensed the plastic-aluminum membrane on the conveying roller 62 and took place the skew, with skew signal feedback to driving piece 67, and then driving piece 67 drive movable support frame 63 slides, and movable support frame 63 drives conveying roller 62 then and moves along its length extending direction to conveying roller 62 drives the effect of plastic-aluminum membrane motion in order to realize rectifying. The quantity of response subassembly 65 is equipped with at least two, and wherein two response subassemblies 65 are located along the length extending direction interval of parallel conveying roller 62 the frame to can be close to each other or keep away from, then the distance between two response subassemblies 65 of user's accessible adjustment, and then whether the effect that takes place the skew of the aluminium-plastic film of the different width of realization response.
Further, in an embodiment of the present invention, the aluminum-plastic film production equipment 1 further includes an edge cutting device 37, the edge cutting device 37 is disposed between the compound extrusion device 30 and the bonding device 40, and the edge cutting device 37 is configured to cut off the compound film outside the edge of the aluminum foil 2.
In an embodiment of the invention, the edge cutting device 37 is used for cutting off the rim charge of the composite film at the edge of the aluminum foil 2, so that the surface of the composite film is clean, the phenomenon that the redundant rim charge is bonded on the surface of the aluminum-plastic film during rolling is avoided, and the neatness of the aluminum-plastic film is improved. Specifically, the edge trimming device 37 includes a cutting base 371 and two circular cutting tools 375, wherein the base has two sides perpendicular to the conveying direction of the aluminum plastic film, each side has a mounting groove 373, and each mounting groove 373 has a cutting tool 375 rotatably disposed therein. The cutter 375 rotates relative to the cutting base 371 and abuts against the edge of the aluminum foil 2 to cut off the excess edge material of the composite film at the side of the aluminum foil 2 during the transportation process. Further, in an embodiment of the present invention, the mounting groove 373 is further provided with a blocking piece 377, the blocking piece 377 abuts against the cutting tool 375 and separates the cutting remainder from the blade, so as to ensure the neatness of the cutting tool 375. It can be understood that the rotation direction of the cutting blade 375 is parallel to the transfer direction of the aluminum plastic film.
Further, in the embodiment of the present invention, the cutting base 371 may be disposed separately from the composite mounting seat 32, or may be detachably fixed on the composite mounting seat 32, so as to reduce the occupied space and save the space of the film coating apparatus.
Further, in an embodiment of the present invention, the aluminum-plastic film production equipment 1 further includes a thickness detector 39, and the thickness detector 39 is connected to the composite extrusion device 30 and is used for measuring the thickness of the composite film.
In an embodiment of the present invention, the thickness detector 39 may be disposed on the composite mounting seat 32, or on the cutting base 371, or may be separately mounted by a fixing frame. Further, the thickness detector 39 may be a capacitance thickness sensor, and two metal electrode plates are respectively disposed on two sides of the extruded composite film to form a capacitor. Since the capacitance of the capacitor is related to the thickness of the medium, and the capacitor is a component of the oscillator, the capacitance value can be determined by measuring the oscillation frequency of the oscillator, and thus the thickness of the extruded composite film can be measured. An ultrasonic thickness sensor, an X-ray thickness sensor, or the like may be used. The operation principle of the thickness detector 39 is prior art, and the operation principle of the thickness detector 39 will not be described in detail herein. The thickness of the composite film extruded by the extruder 31 is detected through the thickness detector 39, and when the thickness is not in accordance with the requirement, the extrusion parameters of the extruder 31 are adjusted in time so as to improve the quality of the aluminum plastic film.
Further, in an embodiment of the present invention, the unwinding device 10, the preheating device 20, the compound extrusion device 30, the bonding device 40, and the winding device 50 are linearly arranged. So, can be so that 2 direction of transfer of aluminium foil are the straight line and arrange, can reduce laminating equipment's occupation space on the one hand, reduce production facility's cost
In an embodiment of the present invention, the aluminum-plastic film production equipment is further provided with a control system 70, the control system 70 is in signal connection with each device, and the control signal controls the automatic production of the aluminum-plastic film production equipment 1, so that the automation degree of the aluminum-plastic film production is improved, and less labor is saved.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. An aluminum-plastic film production apparatus, characterized by comprising:
the unwinding device is used for unwinding the aluminum foil;
the preheating device is arranged on one side of the unwinding device;
the composite extrusion device is arranged on one side, away from the unreeling device, of the preheating device and comprises an extruder and a composite mechanism, the extruder is used for extruding a composite film, and the composite mechanism is used for compounding the composite film on the surface of the aluminum foil;
the bonding device is arranged on one side of the composite extrusion device, which is far away from the preheating device, and is used for bonding the composite film on the surface of the aluminum foil to form an aluminum-plastic film; and
the winding device is arranged on one side, away from the compound extrusion device, of the bonding device and used for winding the aluminum-plastic film;
the unwinding device, the preheating device, the composite extrusion device, the bonding device and the winding device are driven by a driving roller to move along the conveying direction.
2. The aluminum-plastic film production equipment of claim 1, wherein the unreeling device, the preheating device, the compound extrusion device, the bonding device and the reeling device are arranged in a straight line.
3. The aluminum-plastic film production equipment of claim 1, further comprising an edge cutting device, wherein the edge cutting device is arranged between the compound extrusion device and the bonding device, and the edge cutting device is used for cutting off the compound film outside the edge of the aluminum foil.
4. The aluminum-plastic film production apparatus of claim 1, further comprising a thickness detector disposed between the coextrusion device and the bonding device and configured to measure a thickness of the coextruded film.
5. The aluminum-plastic film production equipment of claim 1, wherein the winding device comprises at least one winding roller and a film cutting assembly, the film cutting assembly is arranged on one side of the winding roller, and the film cutting assembly is used for cutting an aluminum foil.
6. The aluminum-plastic film production equipment of claim 5, further comprising a deviation correcting device, wherein the deviation correcting device is arranged between the winding device bonding devices, and the deviation correcting device is used for correcting the position of the aluminum foil.
7. The aluminum-plastic film production equipment of any one of claims 1 to 6, wherein the bonding device comprises a heating component and a cooling component which are arranged at intervals, the heating component is arranged close to one side of the composite extrusion device, the cooling component is arranged at one side of the heating component far away from the composite extrusion device, an aluminum foil sequentially passes through the heating component and the cooling component, and the heating component is used for heating the aluminum foil and the composite film so as to melt part of the structure of the composite film.
8. The aluminum-plastic film production apparatus of claim 7, wherein the heating assembly comprises a plurality of heating rollers arranged in sequence, and the heating temperature of the heating rollers is increased one by one in the conveying direction of the aluminum foil.
9. The aluminum-plastic film production apparatus of claim 8, wherein the number of the heating rollers is three, and central axes of the three heating rollers are located on the same horizontal plane.
10. The aluminum-plastic film production apparatus of claim 7, wherein the cooling assembly comprises a plurality of cooling rollers arranged in sequence, and the cooling temperature of the cooling rollers decreases one by one in the conveying direction of the aluminum foil.
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| CN202110741885.0A CN113370485A (en) | 2021-06-30 | 2021-06-30 | Plastic-aluminum membrane production facility |
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| CN202110741885.0A CN113370485A (en) | 2021-06-30 | 2021-06-30 | Plastic-aluminum membrane production facility |
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