CN110920034A - Split type aluminum plastic film processing method - Google Patents
Split type aluminum plastic film processing method Download PDFInfo
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- CN110920034A CN110920034A CN201911017804.1A CN201911017804A CN110920034A CN 110920034 A CN110920034 A CN 110920034A CN 201911017804 A CN201911017804 A CN 201911017804A CN 110920034 A CN110920034 A CN 110920034A
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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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/14—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor using multilayered preforms or sheets
- B29C51/145—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor using multilayered preforms or sheets having at least one layer of textile or fibrous material combined with at least one plastics layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/041—Cleaning travelling work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
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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
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/0092—Drying moulded articles or half products, e.g. preforms, during or after moulding or cooling
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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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/42—Heating or cooling
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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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/46—Measuring, controlling or regulating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Cleaning In General (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
A split type aluminum-plastic film processing method comprises the following steps: 1. preparing materials: materials to be used comprise aluminum foil, modified CPP film and PET film; 2. oil removal: removing an oil film on the surface of the aluminum foil by using an oil removing agent; 3. cleaning: cleaning the cleaned aluminum foil with clear water; 4. primary drying: heating and drying the cleaned aluminum foil through a first drying mechanism; 5. passivation: performing primary coating passivation on the aluminum foil through passivation solution; 6. secondary drying: carrying out secondary heating drying on the aluminum foil subjected to primary coating passivation through a second drying mechanism; 7. thermal compounding: and thermally compounding the aluminum foil, the modified CPP film and the PET film through a thermal compounding mechanism to form the aluminum-plastic film. The invention processes the aluminum plastic film by adopting the processes of cleaning, drying, primary coating passivation and thermal compounding, has simple process, good product performance and low manufacturing cost of processing equipment, and reduces the overall cost of the product under the condition of meeting the performance requirement.
Description
Technical Field
The invention discloses a lithium battery processing method, in particular to a split type aluminum-plastic film processing method.
Background
The polymer lithium battery is usually a gel polymer electrolyte wrapped by an aluminum plastic film, has the characteristics of ultra-thinning, high safety and the like, can be manufactured into batteries with any shape and capacity, and is mainly composed of consumer electronics products such as notebooks, mobile phones, intelligent wearing, electric tools, unmanned aerial vehicles and the like at the downstream.
An aluminum-plastic composite film (called an aluminum-plastic film for short) is a composite material formed by an outer nylon layer (ON layer), an intermediate aluminum foil layer (AL layer) and an inner heat sealing layer (CPP or PP), and the layers are pressed and bonded through an adhesive. The aluminum plastic film is a key material for packaging the battery core of the lithium battery, the single battery is assembled and then sealed by the aluminum plastic film to form the battery, and the aluminum plastic film plays a role in protecting contents; compared with packaging materials such as a steel shell, an aluminum shell or a plastic shell, the aluminum-plastic film has the advantages of light weight, thin thickness, flexible appearance design and the like, and is widely applied to many fields such as 3C consumer electronics, power batteries, energy storage and the like.
The existing aluminum-plastic film mainly depends on import due to special structure, limited processing method and the like, and no substitute product is available in China due to the limitation of foreign technical blockade and the like, so that the aluminum-plastic film is expensive and inconvenient to produce and use.
Disclosure of Invention
Aiming at the defects that the aluminum foil in the prior art is imported and expensive, the invention provides the split type aluminum-plastic film processing method, which adopts the processes of cleaning, drying, base coat passivation and thermal compounding to process the aluminum-plastic film, and has simple process and good product performance.
The technical scheme adopted by the invention for solving the technical problems is as follows: a split type aluminum-plastic film processing method comprises the following steps:
step S1, preparing materials: materials to be used comprise aluminum foil, modified CPP film and PET film;
step S2, oil removal: removing an oil film on the surface of the aluminum foil by using an oil removing agent;
step S3, cleaning: cleaning the cleaned aluminum foil with clear water;
step S4, primary drying: heating and drying the cleaned aluminum foil through a first drying mechanism;
step S5, passivation: performing primary coating passivation on the aluminum foil through passivation solution;
step S6, secondary drying: carrying out secondary heating drying on the aluminum foil subjected to primary coating passivation through a second drying mechanism;
step S7, thermal compounding: and thermally compounding the aluminum foil, the modified CPP film and the PET film through a thermal compounding mechanism to form the aluminum-plastic film.
The technical scheme adopted by the invention for solving the technical problem further comprises the following steps:
in the step S1, the thickness of the aluminum foil is 0.01-0.1 mm; the modified CPP film is prepared by grafting maleic anhydride to modify CPP, and the thickness of the modified CPP film is 0.03 +/-0.005 mm.
In the step S2, an oil removal groove is used during oil removal, and more than one first guide roller is arranged in the oil removal groove, so that the belt passes through the oil removal groove, and an oil removal agent is arranged in the oil removal groove and does not pass through the belt.
The oil removing groove is characterized in that a second guide roller is arranged at the rear end of the oil removing groove, a first high-pressure air nozzle is arranged corresponding to the second guide roller, and the first high-pressure air nozzle is arranged corresponding to the front part of the second guide roller.
In the step S3, a cleaning tank is used for cleaning, and more than one third guide roller is arranged in the cleaning tank, so that the material belt can pass through the cleaning tank, and clean water is arranged in the cleaning tank and submerges the material belt.
The rear end of the cleaning tank is provided with a fifth guide roller, a second high-pressure air nozzle is arranged corresponding to the fifth guide roller, and the second high-pressure air nozzle is arranged corresponding to the front part of the fifth guide roller.
First stoving mechanism include first stoving head and first support, first stoving head fixed mounting is on first support, fixed mounting has first heating mechanism in the first stoving head, install first drive wheel in the first stoving mechanism, first drive wheel includes the action wheel and follows the driving wheel, the action wheel sets up with hugging closely from the driving wheel relatively together, the arc is personally submitted to first stoving head outward surface, first heating mechanism sets up in first stoving head, first heating mechanism adopts electric heating wire, electric heating wire sets up along first stoving head inner wall.
The second drying mechanism comprises a second drying head and a second support, the second drying head is fixedly mounted on the second support, a second heating mechanism is fixedly mounted in the second drying head, a second driving wheel is mounted in the second drying mechanism, the second driving wheel comprises a driving wheel and a driven wheel, the driving wheel and the driven wheel are tightly attached to the second support and are oppositely arranged, the outer surface of the second drying head is arc-shaped, the second heating mechanism is arranged in the second drying head, the second heating mechanism adopts an electric heating wire, and the electric heating wire is arranged along the inner wall of the second drying head.
The thermal compound mechanism comprises a main frame, an active compound roller, a passive compound roller, a heating device and a guide roller, wherein the active compound roller and the passive compound roller are respectively and fixedly arranged on the main frame, the active compound roller and the passive compound roller are oppositely arranged, the active compound roller is made of rigid materials, the passive compound roller is made of flexible materials, the active compound roller and the passive compound roller are arranged in a tightly attached manner, the heating device is arranged in the active compound roller, and the thermal compound temperature is 100-180 ℃.
The method further comprises the following steps of S8, rolling: and winding the processed aluminum-plastic film into a coil to obtain a finished product.
The invention has the beneficial effects that: the invention processes the aluminum plastic film by adopting the processes of cleaning, drying, primary coating passivation and thermal compounding, has simple process, good product performance and low manufacturing cost of processing equipment, and reduces the overall cost of the product under the condition of meeting the performance requirement.
The invention will be further described with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a flow chart of the present invention.
FIG. 2 is a schematic view of a cross-sectional structure of the oil removing mechanism of the present invention.
FIG. 3 is a schematic view of the sectional structure of the drying and passivating mechanism of the present invention.
FIG. 4 is a schematic cross-sectional view of the thermal compound mechanism according to the present invention.
In the figure, 1-except an oil groove, 2-a cleaning groove, 3-a first guide roller, 4-a second guide roller, 5-a third guide roller, 6-a fourth guide roller, 7-a fifth guide roller, 8-a discharge frame, 9-a discharge shaft, 10-a first high-pressure air nozzle, 11-a second high-pressure air nozzle, 12-a material belt, 13-a first drying mechanism, 14-a second drying mechanism, 15-a first housing, 16-a second housing, 17-a first drying head, 18-a second drying head, 19-a first heating mechanism, 20-a second heating mechanism, 21-a first driving wheel, 22-a second driving wheel, 23-an aluminum foil material belt, 24-a passivation groove, 25-a main frame, 26-an active composite roller, 27-a passive composite roller, 28-heating device, 29-CPP material belt roller, 30-first support, 31-PET material belt roller, 32-second support, 33-material receiving roller, 34-third support, 35-guide roller, 36-CPP material belt, 37-PET material belt and 38-finished material belt.
Detailed Description
The present embodiment is a preferred embodiment of the present invention, and other principles and basic structures that are the same as or similar to the present embodiment are within the scope of the present invention.
Referring to fig. 1 to 4, the present invention is a method for processing a split type aluminum-plastic film, which is mainly used for combining an aluminum foil and a modified CPP together to form an aluminum-plastic film, and the method mainly includes the following steps:
step S1, preparing materials: the material prepared for the invention comprises aluminum foil, modified CPP film and PET film, wherein:
the aluminum foil is a conventional aluminum foil in the prior art, and the thickness of the aluminum foil is 0.01-0.1 mm;
the modified CPP film is prepared by grafting maleic anhydride to modify CPP, and the thickness of the modified CPP film is 0.03 +/-0.005 mm;
the PET film is a release film for protection, and has no strict requirement on the thickness;
step S2, oil removal: the method comprises the following steps of soaking an oil film on the surface of the aluminum foil by using an oil removing agent, wherein the oil removing agent is a commercially available oil removing agent product, removing oil in an oil removing tank, performing air injection water removal on the aluminum foil by using high-pressure air injection, and blowing water into the oil removing tank;
step S3, cleaning: cleaning the cleaned aluminum foil with clean water, washing off a degreasing agent remained on the aluminum foil, cleaning the aluminum foil with a cleaning tank, performing air injection on the aluminum foil through high-pressure air injection to remove water, and blowing water into the cleaning tank;
in this embodiment, deoiling and washing are accomplished step by step in same device, the device mainly includes deoiling groove 1 and washing tank 2, deoiling groove 1 and washing tank 2 set up side by side, be equipped with more than one first guide roll 3 in the deoiling groove 1, can make material area 12 can pass through in the deoiling groove 1, carry out the deoiling operation to it, be equipped with more than one third guide roll 5 in the washing tank 2, can make material area 12 can pass through in washing tank 2, carry out the washing operation to it, be provided with second guide roll 4 between deoiling groove 1 and the washing tank 2, make material area 12 can be by passing through in the deoiling groove 1 to the washing tank 2 smoothly, correspond with second guide roll 4 and be provided with first high pressure air nozzle 10, first high pressure air nozzle 10 can carry out the jet-air dehydration to material area 12 through second guide roll 4, first high pressure air nozzle 10 is connected with high pressure air pump. In this embodiment, the first high-pressure air nozzle 10 is disposed in front of the second guide roller 4, and the degreasing agent carried on the material belt may drop into the degreasing tank 1 through the first high-pressure air nozzle 10.
In this embodiment, there are two first guide rollers 3, the two first guide rollers 3 are located on the same horizontal plane, and the material belt 12 passes through the oil removing groove 1 horizontally, so as to remove oil therefrom. In this embodiment, there are two third guide rollers 5, and the two third guide rollers 5 are located on the same horizontal plane, so that the material belt 12 passes through the cleaning tank 2 horizontally to clean the material belt.
In this embodiment, be provided with blowing frame 8 at except that oil groove 1 front end, install blowing axle 9 on the blowing frame 8, during the use, can set up the aluminium foil material area on blowing axle 9, carry out the blowing through blowing axle 9, blowing axle 9 can adopt passive working method or the working method of initiative, when adopting passive mode, lean on the pulling of rear end equipment to the aluminium foil to carry out the blowing, when it adopts the initiative mode, can adopt blowing axle actuating mechanism drive blowing axle 9 to rotate, in this embodiment, blowing axle actuating mechanism adopts blowing axle driving motor, blowing axle driving motor is direct to be connected with blowing axle 9, drive blowing axle 9 rotates, also can rotate through drive blowing axle 9 such as belt, gear. In this embodiment, a fourth guide wheel 6 is disposed between the discharging shaft 9 and the oil removing tank 1, and the material belt 12 can be guided into the oil removing tank 1 by the fourth guide wheel 6.
In this embodiment, the rear end of the cleaning tank 2 is provided with a fifth guide roller 7, so that the material belt 12 output from the cleaning tank 2 can be transmitted to the subsequent processes through the fifth guide roller 7. In this embodiment, a second high-pressure air nozzle 11 is provided corresponding to the fifth guide roller 7, the second high-pressure air nozzle 11 can perform high-pressure air-jet water removal on the material strip 12 passing through the fifth guide roller 7, and the second high-pressure air nozzle 11 is connected to the high-pressure air pump. In this embodiment, the second high-pressure air nozzle 11 is disposed in front of the fifth guide roller 7, and the degreaser carried on the material tape may drop into the cleaning tank 2 through the fifth high-pressure air nozzle 11.
When the cleaning device is used, an aluminum foil material belt is arranged on the discharging shaft 9, a degreasing agent is arranged in the degreasing tank 1, the degreasing agent needs to permeate the material belt 12 passing through the degreasing tank 1 to degrease the material belt 12, clear water is arranged in the cleaning tank 2 to clean the degreased material belt, when the material belt 12 passes through the degreasing tank 1, the degreasing agent in the degreasing tank 1 is degreased, when the degreased material belt passes through the second guide roller 4, the degreasing agent can be sprayed by the first high-pressure air nozzle 10, the degreasing agent is blown back into the degreasing tank 1 by high-pressure gas sprayed by the first high-pressure air nozzle 10, then the material belt 12 passes through the cleaning tank 2 to be cleaned by the clear water in the cleaning tank 2, the cleaned material belt 12 passes through the fifth guide roller 7, the fifth guide roller 7 can be sprayed by the second high-pressure air nozzle 11, and the water is blown back into the cleaning tank 2 by the high-pressure gas sprayed by the second high-pressure air nozzle 11, the strip of material 12 is then sent to the next process.
Step S4, primary drying: heating and drying the cleaned aluminum foil through a first drying mechanism;
in this embodiment, first drying mechanism 13 includes first drying head 17 and first support, first drying head 17 fixed mounting is on first support, fixed mounting has first heating mechanism 19 in the first drying head 17, in this embodiment, install first drive wheel 21 in the first drying mechanism 13, first drive wheel 21 includes the action wheel and follows the driving wheel, the action wheel is hugged closely with follow driving wheel and is set up relatively together, through the traction of first drive wheel 21, the pay-off of pulling aluminium foil, in this embodiment, be connected with actuating mechanism with the action wheel, be used for driving the action wheel and rotate, actuating mechanism can adopt driving motor, driving motor directly is connected with the action wheel, the driving action wheel rotates, also can rotate through modes such as belt, gear or chain drive action wheel.
In this embodiment, the outer surface of the first drying head 17 is arc-shaped, the first heating mechanism 19 is arranged in the first drying head 17, the first heating mechanism 19 adopts an electric heating wire, the electric heating wire is arranged along the inner wall of the first drying head 17, the first drying head 17 can be uniformly heated by the first heating mechanism 19, and the aluminum foil passing through the outer side of the first drying head 17 can be heated and dried by the first drying head 17.
In this embodiment, a first guiding shaft is disposed in the first drying mechanism 13, so as to guide the aluminum foil passing through the first drying mechanism 13. In this embodiment, a first casing 15 is fixedly disposed outside the first drying head 17.
When the aluminum foil drying device is used, the aluminum foil material belt is guided into the first drying mechanism 13 by pulling the first driving wheel 21, and the aluminum foil passing through is heated and dried by the first drying mechanism 13 and then enters the next procedure after being dried;
step S5, passivation: the aluminum foil is subjected to base coat passivation through the passivation solution, the passivation solution is the commercially available aluminum foil passivation solution, and the base coat passivation is performed in the passivation tank 24.
Step S6, secondary drying: carrying out secondary heating drying on the aluminum foil subjected to primary coating passivation through a second drying mechanism;
in this embodiment, the second drying mechanism 14 includes a second drying head 18 and a second support, the second drying head 18 is fixedly mounted on the second support, a second heating mechanism 20 is fixedly mounted in the second drying head 18, in this embodiment, a second driving wheel 22 is mounted in the second drying mechanism 14, the second driving wheel 22 includes a driving wheel and a driven wheel, the driving wheel and the driven wheel are closely attached together and are relatively arranged, the driving wheel is drawn by the second driving wheel 22, and the aluminum foil is pulled for feeding.
In this embodiment, the outer surface of the second drying head 18 is arc-shaped, the second heating mechanism 20 is arranged in the second drying head 18, the second heating mechanism 20 adopts an electric heating wire, the electric heating wire is arranged along the inner wall of the second drying head 18, the second drying head 18 can be uniformly heated by the second heating mechanism 20, and the aluminum foil passing through the outer side of the second drying head 18 is heated and dried by the second drying head 18.
In this embodiment, a second guiding shaft is disposed in the second drying mechanism 14, and plays a guiding role for the aluminum foil passing through the second drying mechanism 14. A second casing 16 is fixedly arranged outside the second drying head 18.
Step S7, thermal compounding: thermally compounding the aluminum foil, the modified CPP and the PET film through a thermal compounding mechanism to form an aluminum-plastic film;
in this embodiment, the thermal compound mechanism mainly includes a main frame 25, an active compound roller 26, a passive compound roller 27, a heating device 28 and a guide roller 35, the active compound roller 26 and the passive compound roller 27 are respectively and fixedly mounted on the main frame 25, the active compound roller 26 and the passive compound roller 27 are oppositely arranged, the active compound roller 26 is made of rigid material, the passive compound roller 27 is made of flexible material, the active compound roller 26 and the passive compound roller 27 are closely arranged, the passive compound roller 27 can be driven by the active compound roller 26 to rotate to thermally compound the aluminum-plastic film, in this embodiment, the active compound roller 26 is internally provided with the heating device 28 to heat the active compound roller 26, the heating device can adopt an electric heating wire, in this embodiment, a compound roller driving device is further provided to drive the active compound roller 26 to rotate, the compound roller driving device can adopt a driving motor, the driving composite roller 26 is directly driven to rotate by the driving motor, or a belt, a chain or a gear can be driven by the driving motor, and the driving composite roller 26 is driven to rotate by the belt, the chain or the gear. In this embodiment, the driving composite roller 26 is made of stainless steel, the driven composite roller 27 is made of silica gel, and the hot-press lamination of the aluminum-plastic film is realized through the cooperation of the rigid composite roller and the flexible composite roller. The guide roller 35 is arranged at the rear end of the driving composite roller 26 and plays a role in guiding the attached material belt.
In this embodiment, the CPP material belt roller 29 is installed on the main frame 25, the CPP material belt roller 29 is used for unreeling the CPP material belt 36, the CPP material belt roller 29 is arranged at the front end of the active composite roller 26, the CPP material belt roller 29 is installed on the main frame 25 through the first support 30, that is, the first support 30 is installed on the main frame 25, the CPP material belt roller 29 is installed on the first support 30, and the CPP material belt is arranged on the CPP material belt roller 29.
In this embodiment, install PET material belt roller 31 on the main frame 25, PET material belt roller 31 is used for unreeling PET material belt 37, PET material belt roller 31 sets up at the compound roller 26 rear end of initiative, PET material belt roller 31 passes through second support 32 to be installed on main frame 25, install second support 32 on the main frame 25 promptly, PET material belt roller 31 installs on second support 32, PET material belt sets up on PET material belt roller 31, in this embodiment, PET material belt 37 adopts the polyethylene glycol terephthalate film, use as from the type membrane, change nature CPP adhesion when preventing thermal recombination is on compound roller 26 of initiative.
When in use, the modified CPP material belt is arranged on the CPP material belt roller 29, the PET material belt is arranged on the PET material belt roller 31, the aluminum foil, the modified CPP material belt and the PET material belt simultaneously enter between the active composite roller 26 and the passive composite roller 27, and the three material belts are subjected to thermal composite through the active composite roller 26 and the passive composite roller 27, wherein the thermal composite temperature is 100-180 ℃;
step S8, rolling: the processed aluminum plastic film is rolled into a roll to form a finished product, in this embodiment, a material receiving roller 33 is arranged, the material receiving roller 33 is arranged at the rear end of the main frame 25, and can be installed on the main frame 25 or can be arranged separately from the main frame 25, in this embodiment, the material receiving roller 33 is installed on a third support 34 and is used for rolling the thermally compounded aluminum plastic film on the material receiving roller 33, a material receiving roller driving device is connected with the material receiving roller 33 and is used for driving the material receiving roller 33 to rotate, the material receiving roller driving device can adopt a driving motor, the material receiving roller 33 is directly driven to rotate by the driving motor, a belt, a chain or a gear and the like can be driven by the driving motor, the material receiving roller 33 is driven to rotate by the belt, the chain or the gear and the like, and the material belt 38 after thermal compounding is rolled by the material receiving roller 33.
The invention processes the aluminum plastic film by adopting the processes of cleaning, drying, primary coating passivation and thermal compounding, has simple process, good product performance and low manufacturing cost of processing equipment, and reduces the overall cost of the product under the condition of meeting the performance requirement.
Claims (10)
1. A split type aluminum-plastic film processing method is characterized in that: the method comprises the following steps:
step S1, preparing materials: materials to be used comprise aluminum foil, modified CPP film and PET film;
step S2, oil removal: removing an oil film on the surface of the aluminum foil by using an oil removing agent;
step S3, cleaning: cleaning the cleaned aluminum foil with clear water;
step S4, primary drying: heating and drying the cleaned aluminum foil through a first drying mechanism;
step S5, passivation: performing primary coating passivation on the aluminum foil through passivation solution;
step S6, secondary drying: carrying out secondary heating drying on the aluminum foil subjected to primary coating passivation through a second drying mechanism;
step S7, thermal compounding: and thermally compounding the aluminum foil, the modified CPP film and the PET film through a thermal compounding mechanism to form the aluminum-plastic film.
2. The split type aluminum-plastic film processing method of claim 1, which is characterized in that: in the step S1, the thickness of the aluminum foil is 0.01-0.1 mm; the modified CPP film is prepared by grafting maleic anhydride to modify CPP, and the thickness of the modified CPP film is 0.03 +/-0.005 mm.
3. The split type aluminum-plastic film processing method of claim 1, which is characterized in that: in the step S2, an oil removal groove is used during oil removal, and more than one first guide roller is arranged in the oil removal groove, so that the belt passes through the oil removal groove, and an oil removal agent is arranged in the oil removal groove and does not pass through the belt.
4. The split type aluminum-plastic film processing method of claim 1, which is characterized in that: the oil removing groove is characterized in that a second guide roller is arranged at the rear end of the oil removing groove, a first high-pressure air nozzle is arranged corresponding to the second guide roller, and the first high-pressure air nozzle is arranged corresponding to the front part of the second guide roller.
5. The split type aluminum-plastic film processing method of claim 1, which is characterized in that: in the step S3, a cleaning tank is used for cleaning, and more than one third guide roller is arranged in the cleaning tank, so that the material belt can pass through the cleaning tank, and clean water is arranged in the cleaning tank and submerges the material belt.
6. The split type aluminum-plastic film processing method of claim 1, which is characterized in that: the rear end of the cleaning tank is provided with a fifth guide roller, a second high-pressure air nozzle is arranged corresponding to the fifth guide roller, and the second high-pressure air nozzle is arranged corresponding to the front part of the fifth guide roller.
7. The split type aluminum-plastic film processing method of claim 1, which is characterized in that: first stoving mechanism include first stoving head and first support, first stoving head fixed mounting is on first support, fixed mounting has first heating mechanism in the first stoving head, install first drive wheel in the first stoving mechanism, first drive wheel includes the action wheel and follows the driving wheel, the action wheel sets up with hugging closely from the driving wheel relatively together, the arc is personally submitted to first stoving head outward surface, first heating mechanism sets up in first stoving head, first heating mechanism adopts electric heating wire, electric heating wire sets up along first stoving head inner wall.
8. The split type aluminum-plastic film processing method of claim 1, which is characterized in that: the second drying mechanism comprises a second drying head and a second support, the second drying head is fixedly mounted on the second support, a second heating mechanism is fixedly mounted in the second drying head, a second driving wheel is mounted in the second drying mechanism, the second driving wheel comprises a driving wheel and a driven wheel, the driving wheel and the driven wheel are tightly attached to the second support and are oppositely arranged, the outer surface of the second drying head is arc-shaped, the second heating mechanism is arranged in the second drying head, the second heating mechanism adopts an electric heating wire, and the electric heating wire is arranged along the inner wall of the second drying head.
9. The split type aluminum-plastic film processing method of claim 1, which is characterized in that: the thermal compound mechanism comprises a main frame, an active compound roller, a passive compound roller, a heating device and a guide roller, wherein the active compound roller and the passive compound roller are respectively and fixedly arranged on the main frame, the active compound roller and the passive compound roller are oppositely arranged, the active compound roller is made of rigid materials, the passive compound roller is made of flexible materials, the active compound roller and the passive compound roller are arranged in a tightly attached manner, the heating device is arranged in the active compound roller, and the thermal compound temperature is 100-180 ℃.
10. The split type aluminum-plastic film processing method of claim 1, which is characterized in that: the method further comprises the following steps of S8, rolling: and winding the processed aluminum-plastic film into a coil to obtain a finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911017804.1A CN110920034A (en) | 2019-10-24 | 2019-10-24 | Split type aluminum plastic film processing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911017804.1A CN110920034A (en) | 2019-10-24 | 2019-10-24 | Split type aluminum plastic film processing method |
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| Publication Number | Publication Date |
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| CN110920034A true CN110920034A (en) | 2020-03-27 |
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