CN111300925A - Manufacturing process of bright film with metal color - Google Patents
Manufacturing process of bright film with metal color Download PDFInfo
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- CN111300925A CN111300925A CN202010203974.5A CN202010203974A CN111300925A CN 111300925 A CN111300925 A CN 111300925A CN 202010203974 A CN202010203974 A CN 202010203974A CN 111300925 A CN111300925 A CN 111300925A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
- B32B15/09—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyesters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/16—Drying; Softening; Cleaning
- B32B38/162—Cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44F—SPECIAL DESIGNS OR PICTURES
- B44F9/00—Designs imitating natural patterns
- B44F9/10—Designs imitating natural patterns of metallic or oxidised metallic surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/409—Iridescent, pearlescent surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/416—Reflective
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
- B32B2309/14—Velocity, e.g. feed speeds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2451/00—Decorative or ornamental articles
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention discloses a manufacturing process of a bright film with metal color, which comprises the steps of conveying a PET film with metal color into a closed manufacturing cabinet body through a PET film roller, and conveying an aluminum foil into the manufacturing cabinet body through an aluminum film roller; the electric cabinet carries out hot pressing on the PET film and the aluminum foil through a hot pressing mechanism, and the aluminum foil is added on the PET film; the PET membrane and the aluminum membrane after hot pressing are output along a discharge port of the manufacturing cabinet body and are connected with a driving roller arranged on the outer side of the discharge port for leading out. The invention relates to a manufacturing process of a film with a metal color bright surface, which is characterized in that in the real-time hot pressing process, parameters of a PET film and an aluminum foil which are measured in real time are compared with parameters of a standard PET film and an aluminum foil, and the transmission speeds of a PET film roller and an aluminum film roller generate a preset difference value according to the comparison result so as to adjust the performance of the PET film layer.
Description
Technical Field
The invention relates to the technical field of pearlescent films, in particular to a manufacturing process of a bright film with a metal color.
Background
There is no uniform specification for the type classification of the film. The following three types of classification methods are commonly used: the method comprises the following steps of: there are polyethylene film, polypropylene film, polyvinyl chloride film, polyester film, etc.; classified by film use: there are agricultural films (here, depending on the specific use of agricultural films, they may be classified into mulching films and greenhouse films), packaging films (packaging films may be classified into food packaging films and packaging films for various industrial products, etc., depending on the specific use), breathable films for special environments and having special uses, water-soluble films, films having piezoelectric properties, and the like; the film is classified according to the film forming method: there are films that are extruded, plasticized, and then blow molded, known as blown films; extruding and plasticizing, and casting the molten material from a die opening to form a film, namely a casting film; films made from plasticized materials are rolled on a calender by several rollers, known as calendered films.
In order to be used better, the film is often required to have a metal bright surface, but in the conventional film manufacturing process, a fixed process is often adopted, and the film has great process defects.
Disclosure of Invention
The present invention is directed to a process for manufacturing a bright film with a metallic color, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a manufacturing process of a bright surface film with metal color,
step a, conveying a PET film into a closed manufacturing cabinet body through a PET film roller, and conveying an aluminum foil into the manufacturing cabinet body through an aluminum film roller;
step b, the electric cabinet carries out hot pressing on the PET film and the aluminum foil through a hot pressing mechanism, and the aluminum foil is added on the PET film;
c, outputting the PET film and the aluminum film subjected to hot pressing along a discharge hole of the manufacturing cabinet body, and connecting and guiding the PET film and the aluminum film with a driving roller arranged on the outer side of the discharge hole;
in the step b, the electric cabinet comprises a control circuit board, and a parameter matrix T1 (D1, D2, L1, L2, H1 and H2) conforming to the PET film is set in the control circuit board, wherein D1 represents the real-time tensile strength of the PET film, D2 represents the real-time tensile strength of aluminum, L1 represents the real-time density of the PET film, L2 represents the real-time density of aluminum foil, L3 represents the real-time density of the PET film, L4 represents the real-time density of the aluminum foil, H1 represents the real-time thickness of the PET film, and H2 represents the real-time thickness of the aluminum foil; the control circuit board firstly measures and acquires the six parameters when the PET film is arranged on the PET film roller and the aluminum foil is arranged in front of the aluminum film roller;
a standard PET film parameter matrix T0 (D10, D20, L10, L20, H10 and H20) is further set in the control circuit board, wherein L10 represents the standard tensile strength of the PET film, L20 represents the standard tensile strength of the aluminum foil, L10 represents the standard density of the PET film, L20 represents the standard density of the aluminum foil, H10 represents the standard thickness of the PET film, and H20 represents the standard thickness of the aluminum foil;
in the real-time hot pressing process, the parameters of the PET film and the aluminum foil which are measured in real time are compared with the parameters of the standard PET film and the aluminum foil, and the transmission speeds of the PET film roller and the aluminum film roller generate a preset difference value according to the comparison result so as to adjust the performance of the PET film layer.
Further, in the above step b, the control circuit board sets a roller shaft rotation speed matrix (T0, v10, v20, v30, T0) in a standard case, wherein v10 represents a preset rotation speed of the PET film roller, v20 represents a preset rotation speed of the aluminum film roller, v30 represents a preset rotation speed of the driving roller, and T0 represents a preheating temperature of the hot press mechanism.
Further, a first threshold value D11 and a second threshold value D12 of the tensile strength of the PET film, a first threshold value D21 and a second threshold value D22 of the tensile strength of aluminum are determined, wherein when the difference between the tensile strength of the PET film measured in real time and the standard tensile strength is within a first threshold value D11, the difference between the tensile strength of the aluminum measured in real time and the standard tensile strength is within a first threshold value D21, and the real-time tensile strengths are both smaller than the standard tensile strength, the first real-time rotating speed v21= v20 of the aluminum film roller and the first real-time rotating speed v11, v11= v10 x0.92 of the PET film roller are controlled.
Further, the first threshold L11 and the second threshold L12 of the PET film density, L2 are set to indicate the real-time density of the aluminum foil, the first threshold L21 and the second threshold L22 of the aluminum foil density are set, and if the difference between the real-time measured PET film density L1 and the standard PET film density is within the first threshold L11 range, the difference between the real-time measured aluminum foil density and the aluminum foil density is within the first threshold L21 range, and the real-time measured density is greater than the standard density, the second real-time rotation speed v22= v20 of the aluminum film roller and the second real-time rotation speed v12, v12= v10 x 0.93 of the PET film roller are controlled.
Further, the first threshold H11 and the second threshold H12 of the PET film thickness are set, the first threshold H21 and the second threshold H22 of the aluminum foil thickness are set, and if the difference between the density L1 of the PET film measured in real time and the density of the standard PET film is within the range of the first threshold L11, the difference between the density of the aluminum foil measured in real time and the density of the standard PET film is within the range of the first threshold L21, and the density measured in real time is greater than the standard density, the third real-time rotating speed v31= v10 of the aluminum film roller and the third real-time rotating speed v32= v20 of the PET film roller are controlled.
Further, the real-time rotation speed v2= (v 21+ v22+ v 32)/3 of the aluminum film roll is finally controlled;
finally controlling the real-time rotating speed v1= (v 11+ v21+ v 31)/3 of the PET film roller;
and finally controlling the real-time rotating speed v3=0.95x v1 of the driving roller.
Further, if the difference between the real-time measured aluminum tensile strength and the standard tensile strength is greater than the first threshold value D21 and less than the second threshold value D22, the difference between the real-time measured PET film tensile strength and the standard tensile strength is greater than the first threshold value D11 and less than the second threshold value D12, and the real-time tensile strengths are all less than the standard tensile strength, controlling the first real-time rotating speed v21= v20 of the aluminum film roller, the first real-time rotating speed v11 of the PET film roller, and v11= v10 x 0.9.
Further, if the difference between the real-time measured PET film density L1 and the standard PET film density is greater than the first threshold value L11 and less than the second threshold value L12, the difference between the real-time measured aluminum foil density and the aluminum foil density is greater than the first threshold value L21 and less than the second threshold value L22, and the real-time measured density is greater than the standard density, the first real-time rotation speed v22= v20 of the aluminum film roller and the first real-time rotation speed v21, v21= v10 x0.9 of the PET film roller are controlled.
Further, the real-time rotation speed v2= (a 2 x v21+ b2 x v22+ v 32)/3 of the aluminum film roll is finally controlled;
finally controlling the real-time rotating speed v1= (a 1 x v11+ b1 x v21+ v 31)/3 of the PET film roller;
finally controlling the real-time rotating speed v3=0.95xv1 of the driving roller,
wherein a1= b1=1, a2=1.11, and b2= 0.95.
Further, the hot-pressing mechanism comprises an electric telescopic rod, the fixed end of the electric telescopic rod is connected with the upper end of the manufacturing cabinet body, the telescopic end of the electric telescopic rod is provided with an installation block, a hot-pressing roller is arranged on the installation block, a driving motor is arranged on the installation block, and the driving motor is connected with the hot-pressing roller through a transmission mechanism;
the hot-pressing roller is characterized in that a mounting opening is formed in the lower portion of the hot-pressing roller, a fixing rod is arranged in the mounting opening, an I-shaped piece is arranged on the fixing rod, a sleeve roller is arranged on the fixing rod and located outside the I-shaped piece, an electric heating wire is arranged on the I-shaped piece, and an input end wire of the electric heating wire penetrates through the I-shaped piece and clings to the fixing rod.
Compared with the prior art, the invention has the beneficial effects that: the invention relates to a manufacturing process of a film with a metal color bright surface, which is characterized in that in the real-time hot pressing process, parameters of a PET film and an aluminum foil which are measured in real time are compared with parameters of a standard PET film and an aluminum foil, and the transmission speeds of a PET film roller and an aluminum film roller generate a preset difference value according to the comparison result so as to adjust the performance of the PET film layer.
In particular, the real-time rotating speed v2= (v 21+ v22+ v 32)/3 of the aluminum film roller is finally controlled by taking the tensile strength, density and thickness of the PET film and the aluminum foil film as consideration factors; and finally controlling the real-time rotating speed v1= (v 11+ v21+ v 31)/3 of the PET film roller. And if the difference between the real-time measured aluminum tensile strength and the standard tensile strength is greater than the first threshold D21 and less than the second threshold D22, the difference between the real-time measured PET film tensile strength and the standard tensile strength is greater than the first threshold D11 and less than the second threshold D12, and the real-time tensile strengths are all less than the standard tensile strength, controlling the first real-time rotating speed v21= v20 of the aluminum film roller, the first real-time rotating speed v11 of the PET film roller and v11= v10 x 0.9. And if the difference value between the real-time measured PET film density L1 and the standard PET film density is larger than a first threshold value L11 and smaller than a second threshold value L12, the difference value between the real-time measured aluminum foil density and the aluminum foil density is larger than a first threshold value L21 and smaller than a second threshold value L22, and the real-time measured density is larger than the standard density, controlling a first real-time rotating speed v22= v20 of the aluminum film roller and a first real-time rotating speed v21, v21= v10 x0.9 of the PET film roller. Through the speed that suitably reduces PET membrane roller, the tensile strength who guarantees the membrane after the complex is enough, because the tensile strength of PET membrane is far greater than the tensile strength of aluminium foil, through making produce suitable error between the rotational speed of aluminium membrane roller and PET membrane roller, increases the relative addition amount of PET membrane in a period to suitably promote the tensile strength of complex film. And when the real-time tensile strength is greater than the standard tensile strength, hot-pressing according to the material with the real-time tensile strength. By properly reducing the conveying speed of the PET film roller, and by making a proper error between the rotating speeds of the aluminum film roller and the PET film roller, the relative addition amount of the PET film is increased in a period of time, so that the density of the composite film is properly reduced.
Particularly, the hot-pressing machine has the advantages that the workbench, the manufacturing cabinet body and the hot-pressing mechanism form a main body structure, hot-pressing processing is completed in the manufacturing cabinet body, the aluminum foil is added on the PET film through the hot-pressing mechanism, the pearly effect of the PET film is effectively reflected, the colorful pearly-luster film with better visual effect is obtained, and dust is sucked at the hot-pressing position through the dust sucking mechanism, so that dust deposition is reduced, and the reflection effect is further improved.
Drawings
FIG. 1 is a schematic structural diagram of a front view of a manufacturing process of a bright-surface film with metal color according to embodiment 1 of the present invention;
FIG. 2 is a schematic view of the internal structure of the metal color bright film in the embodiment 1 of the present invention;
FIG. 3 is a schematic left-view internal structure diagram of a blanket roll in the manufacturing process of the film with a metal color bright surface according to the present invention;
FIG. 4 is a schematic view of a dust collection head according to embodiment 1 of the present invention, wherein the dust collection head has a bright metal film;
FIG. 5 is a schematic view of a dust collection head according to embodiment 2 of the present invention.
In the figure: 1-workbench, 2-manufacturing cabinet body, 3-PET film roller, 4-aluminum film roller, 5-feeding port, 6-electric telescopic rod, 7-mounting block, 8-hot pressing roller, 9-fixing rod, 10-forming piece, 11-sleeve roller, 12-electric heating wire, 13-heat conducting ring, 14-dust collection head, 15-dust collection box, 16-dust collection pump, 17-dust collection pipe, 18-guide roller and 19-electric cabinet.
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 in the description of the present invention, for the orientation words, such as the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, but it does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be understood as limiting the specific scope of the present invention.
Example 1:
referring to fig. 1-2, the manufacturing process of the metal color bright film provided in this embodiment includes a workbench 1, a closed manufacturing cabinet 2 is disposed on the workbench 1, a PET film roller 3 is disposed on the workbench 1, an aluminum film roller 4 is disposed on the manufacturing cabinet 2, a discharge hole is disposed at a right end of the manufacturing cabinet 2, the PET film and the aluminum film extend out along the discharge hole and are connected to a driving roller (not shown in the figure) disposed at an outer side of the discharge hole, and the driving roller disposed at the right end drives the PET film and the aluminum film to move at a preset speed. The production device is characterized in that the workbench 1 and the production cabinet body 2 are respectively provided with a feed inlet 5, the production cabinet body 2 is internally provided with a hot pressing mechanism, the production cabinet body 2 is provided with a dust collection mechanism, the workbench 1, the production cabinet body 2, the hot pressing mechanism and the dust collection mechanism form a main body structure of the production device, hot pressing processing is completed in the production cabinet body 2, aluminum foil is added on a PET film through the hot pressing mechanism, the pearly effect of the PET film is effectively reflected, a colorful pearly-luster film with better visual effect is obtained, and dust collection processing is performed on a hot pressing part through the dust collection mechanism, so that dust deposition is reduced, and the reflection effect is further improved.
Continuing to refer to fig. 1, hot pressing mechanism includes electric telescopic handle 6, electric telescopic handle 6's stiff end with the upper end of the preparation cabinet body 2 links to each other, electric telescopic handle 6's flexible end is provided with installation piece 7, be provided with hot pressing roller 8 on the installation piece 7, be provided with driving motor on the installation piece 7, driving motor pass through drive mechanism with hot pressing roller 8 links to each other, and drive mechanism is conveyer belt or gear train to realize the transmission. The installation positions of the driving motor and the hot pressing roller are set according to the actual space.
Referring to fig. 3, a mounting opening is formed in the workbench 1 and below the hot press roller 8, a fixing rod 9 is arranged in the mounting opening, a workpiece 10 is arranged on the fixing rod 9, a sleeve roller 11 is arranged outside the workpiece 10 on the fixing rod 9, a heating wire 12 is arranged on the workpiece 10, an input end electric wire of the heating wire 12 penetrates through the workpiece 10 and clings to the fixing rod 9, and sufficient heat is generated by the heating wire to apply sufficient heat to the PET film and the aluminum foil. The profile element 10 is provided with heat conducting rings 13 to generate a sufficiently uniform heat around the mantle roller. In the present embodiment, the heat and pressure roller generation temperature is 700-.
Referring to fig. 4, the dust suction mechanism includes a dust suction head 14, the dust suction head 14 is fixed on the manufacturing cabinet 2, a dust collection box 15 is arranged below the workbench 1, a dust suction pump 16 is arranged on the dust collection box 15, a dust suction pipe 17 is arranged between the dust suction pump 16 and the dust suction head 14, and an output end of the dust suction pump 16 extends into the dust collection box 15.
Particularly, be provided with the door body on the preparation cabinet body 2, be provided with transparent glass on the door body, be convenient for observe the inside condition through transparent glass, transparent glass is high temperature resistant glass.
Specifically, the feed inlet 5 is provided with a guide roller 18 for moving the PET film and the aluminum film roller 4 along a preset guide rail direction, respectively.
Specifically, the heat conduction ring 13 is made of graphene, and has excellent heat conduction performance.
Specifically, an electric cabinet 19 is arranged on the manufacturing cabinet body 2, and the electric cabinet 19 is electrically connected with the electric telescopic rod 6, the electric heating wire 12, the driving motor and the dust suction pump 16.
Referring to fig. 5, the dust suction head 14 is provided with a plurality of rectangular dust suction ports, which may be of various shapes.
Specifically, according to the manufacturing process of the metal color bright film provided by the embodiment of the invention, the workbench 1, the manufacturing cabinet 2, the hot pressing mechanism and the dust suction mechanism form the main structure of the device provided by the embodiment of the invention, firstly, a PET film and an aluminum foil are respectively wound on a PET film roller 3 and an aluminum film roller 4 and enter the manufacturing cabinet 2 through a feed inlet 5, the PET film and the aluminum foil extend out along a discharge port of the manufacturing cabinet 2 and are fixed on a driving roller, an electric control box 19 controls an electric telescopic rod 6 to extend, so that a hot pressing roller 8 is attached to a sleeve roller 11, an electric heating wire 12 generates heat and transmits the heat to the sleeve roller 11 through a heat conduction ring 13, the driving roller drives the PET film and the aluminum foil to move, a driving motor drives the hot pressing roller 8 to rotate, the PET film and the aluminum foil are hot pressed by matching with a preheating sleeve roller 11, and meanwhile, a dust suction head 14 performs dust suction treatment on the hot pressing, the dust enters the dust collection box 15 along the dust collection head 14 and the dust collection pipe 17, so that dust deposition is reduced, the reflection effect is improved, and the colorful pearly-lustre film with better visual effect is obtained.
Specifically, in the embodiment of the invention, the aluminum foil is added on the PET film, so that the reflection performance of the surface layer of the PET film can be increased, but the performance of the single PET film is influenced, and after the aluminum foil is added, the tensile strength and the density of the PET film are influenced.
Specifically, the electric control box 19 includes a control circuit board, in which a parameter matrix T1 (D1, D2, L1, L2, H1, H2) corresponding to the PET film is set, wherein D1 represents the real-time tensile strength of the PET film, D2 represents the real-time tensile strength of aluminum, L1 represents the real-time density of the PET film, L2 represents the real-time density of aluminum foil, L3 represents the real-time density of the PET film, L4 represents the real-time density of aluminum foil, H1 represents the real-time thickness of the PET film, and H2 represents the real-time thickness of the aluminum foil; before the PET film is arranged on the PET film roller and the aluminum foil is arranged on the aluminum film roller, the control circuit board firstly measures and acquires the six parameters. Specifically, the example of the present invention further sets a standard PET film parameter matrix T0 (D10, D20, L10, L20, H10, and H20), where L10 represents the standard tensile strength of the PET film, L20 represents the standard tensile strength of the aluminum foil, L10 represents the standard density of the PET film, L20 represents the standard density of the aluminum foil, H10 represents the standard thickness of the PET film, and H20 represents the standard thickness of the aluminum foil. In this example, the standard tensile strength MD 130MPa of the PET film, the standard tensile strength MD 80MPa of the aluminum foil, and the standard density of the PET film were set to 1.38g/cm3Standard density of aluminum foil 2.7g/cm3The standard thickness of the PET film is 40um, and H20 indicates the standard thickness of the aluminum foil is 15 um.
In the case of the standard PET film parameter matrix, a roll shaft rotation speed matrix (T0, v10, v20, v30, T0) in a standard case is set, wherein v10 represents a preset rotation speed of the PET film roll, v20 represents a preset rotation speed of the aluminum film roll, v30 represents a preset rotation speed of the drive roll, and T0 represents a preheating temperature of the hot press mechanism. In this embodiment, the preset rotation speed of the aluminum film roller is 20 rpm, the preset rotation speed of the driving roller is 19 rpm, and the preheating temperature of the hot-press mechanism is 800 ℃.
Specifically, in the embodiment of the present invention, a real-time PET film tensile strength D1 and a real-time aluminum tensile strength D2 are obtained, a first threshold D11 and a second threshold D12 of the PET film tensile strength, and a first threshold D21 and a second threshold D22 of the aluminum tensile strength are set, where when a difference between the real-time measured PET film tensile strength and a standard tensile strength is within a first threshold D11 range, a difference between the real-time measured aluminum tensile strength and the standard tensile strength is within a first threshold D21 range, and the real-time tensile strengths are both smaller than the standard tensile strength, a first real-time rotational speed v21= v20 of the aluminum film roll and a first real-time rotational speed v11 and v11= v10 x0.92 of the PET film roll are controlled, at this time, the tensile strength of the combined film is ensured to be sufficient by appropriately reducing the speed of the PET film roll, and since the tensile strength of the PET film is much greater than the tensile strength, an appropriate error is generated between the rotational speeds of the aluminum film roll and the PET film roll, the relative addition of the PET film is increased within a period of time so as to properly improve the tensile strength of the composite film. And when the real-time tensile strength is greater than the standard tensile strength, hot-pressing according to the material with the real-time tensile strength. In the present embodiment, the first threshold D11 is 0.15 times the standard intensity D10, and the second threshold D12 is 0.2 times the standard intensity D10; the first threshold value D21 is 0.15 times the standard intensity D20, and the second threshold value D22 is 0.2 times the standard intensity D20.
Specifically, in the embodiment of the present invention, L1 represents the real-time density of the PET film, the first threshold L11 and the second threshold L12 of the PET film density are set, L2 represents the real-time density of the aluminum foil, the first threshold L21 and the second threshold L22 of the aluminum foil density are set, if the difference between the real-time measured density L1 of the PET film and the standard density of the PET film is within the range of the first threshold L11, the difference between the real-time measured density of the aluminum foil and the density of the aluminum foil is within the range of the first threshold L21, and the real-time measured density is greater than the standard density, controlling the second real-time rotating speed v22= v20 of the aluminum film roller and the second real-time rotating speed v12, v12= v10 x 0.93 of the PET film roller, wherein the density of the composite layer is greater than the preset density, by properly reducing the conveying speed of the PET film roller, by making a proper error occur between the rotating speeds of the aluminum film roller and the PET film roller, the relative addition of the PET film is increased over a period of time to properly reduce the density of the composite film. In the present embodiment, the first threshold value L11 is 0.15 times the standard density L10, and the second threshold value L12 is 0.2 times the standard density L10; the first threshold value L21 is 0.15 times the standard density L20, and the second threshold value L22 is 0.2 times the standard density L20.
Specifically, in the embodiment of the present invention, H1 represents the real-time thickness of the PET film, H2 represents the real-time thickness of the aluminum foil, a first threshold H11 and a second threshold H12 of the PET film thickness are set, a first threshold H21 and a second threshold H22 of the aluminum foil thickness are set, and if the difference between the real-time measured PET film density L1 and the standard PET film density is within a first threshold L11 range, the difference between the real-time measured aluminum foil density and the standard PET film density is within a first threshold L21 range, and the real-time measured density is greater than the standard density, the third real-time rotation speed v31= v10 of the aluminum film roller and the third real-time rotation speed v32= v20 of the PET film roller are controlled. In the present embodiment, the first threshold H11 is 0.15 times the standard thickness H10, and the second threshold H12 is 0.2 times the standard thickness H10; the first threshold H21 is 0.15 times the gauge thickness H20, and the second threshold H22 is 0.2 times the gauge thickness H20.
Then, finally controlling the real-time rotating speed v2= (v 21+ v22+ v 32)/3 of the aluminum film roller;
finally controlling the real-time rotating speed v1= (v 11+ v21+ v 31)/3 of the PET film roller;
and finally controlling the real-time rotating speed v3=0.95x v1 of the driving roller.
Specifically, the real-time rotating speed of the driving roller generates errors between the PET film roller and the aluminum film roller respectively, so that the PET film generates a certain degree of micro deformation, the PET film and the aluminum foil generate enough contact quantity, and the PET film and the aluminum foil are fully fused into a whole.
Specifically, if the difference between the real-time measured aluminum tensile strength and the standard tensile strength is greater than a first threshold value D21 and less than a second threshold value D22, the difference between the real-time measured PET film tensile strength and the standard tensile strength is greater than a first threshold value D11 and less than a second threshold value D12, and the real-time tensile strengths are all less than the standard tensile strength, the first real-time rotating speed v21= v20 of the aluminum film roller, the first real-time rotating speed v11 of the PET film roller, and v11= v10 x0.9 of the PET film roller are controlled.
Meanwhile, if the difference between the real-time measured density L1 of the PET film and the standard density of the PET film is larger than the first threshold value L11 and smaller than the second threshold value L12, the difference between the real-time measured density of the aluminum foil and the density of the aluminum foil is larger than the first threshold value L21 and smaller than the second threshold value L22, and the real-time measured density is larger than the standard density, the first real-time rotating speed v22= v20 of the aluminum film roller, the first real-time rotating speed v21 of the PET film roller, and v21= v10 x0.9 are controlled.
Then, the real-time rotation speed v2= (a 2 x v21+ b2 x v22+ v 32)/3 of the aluminum film roll is finally controlled;
finally controlling the real-time rotating speed v1= (a 1 x v11+ b1 x v21+ v 31)/3 of the PET film roller;
and finally controlling the real-time rotating speed v3=0.95xv1 of the driving roller.
In the above formula, since the difference between the tensile strength, the density, and the thickness and the standard value is large, a correction coefficient is introduced to calculate, where a1= b1=1, a2=1.11, and b2=0.95, and when the difference is large, the embodiment of the present invention takes the tensile strength as the first reference factor, sets the coefficient to 1.11, takes the density as the second reference factor, sets the coefficient to 0.95, takes the tensile strength as the most important factor for ensuring the composite film, and takes the density change mainly caused by impurities as the exclusion factor.
Specifically, under any other condition, if the tensile strength of the PET film is within a first preset range and the tensile strength of the aluminum foil is within a second preset range, the compounding is stopped; or stopping compounding when the tensile strength of the PET film is lower than a second preset range. Meanwhile, as an absolute condition, in the embodiment of the present invention, as for the tensile strength of the PET film or the aluminum foil below the second threshold, and the density below or above the second threshold, the lamination is directly stopped.
Specifically, in the embodiment of the invention, the tensile strength of the PET film is 120-150MPa, the tensile strength of the aluminum foil is 80-100MPa, and the density of the PET film is 1.37-1.40g/cm3The density of the aluminum foil is more than or equal to 2.7g/cm3，The thickness of the PET film is 30-55 mu m, and the thickness of the aluminum foil is 10-20 um.
Specifically, in the embodiment of the present invention, a protective layer may be further disposed on an outer side of the aluminum foil to protect the surface layer, and a photo-curing material, a photosensitizer, etc. may be further disposed on the surface of the PET film as a material for increasing color change.
Specifically, the embodiment of the invention can also be used for other films, namely PED and polyimide films, in order to enable each film to generate a metal color bright surface, the film internally contains metal color master batches, and the manufacturing process is a conventional technical means and is not repeated.
Example 2:
referring to fig. 5, the present embodiment provides a technical solution: the dust collection head 14 is provided with a plurality of circular dust collection ports. Compared with the embodiment 1, another structure of the dust suction port is provided, and dust enters the dust suction pipe 17 along the circular dust suction port, so that the rapid dust suction is realized.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described, and the content not described in detail in the specification belongs to the prior art known by persons skilled in the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A manufacturing process of a bright surface film with metal color is characterized in that:
step a, conveying a PET film with a metal color into a closed manufacturing cabinet body through a PET film roller, and conveying an aluminum foil into the manufacturing cabinet body through an aluminum film roller;
step b, the electric cabinet carries out hot pressing on the PET film and the aluminum foil through a hot pressing mechanism, and the aluminum foil is added on the PET film;
c, outputting the PET film and the aluminum film subjected to hot pressing along a discharge hole of the manufacturing cabinet body, and connecting and guiding the PET film and the aluminum film with a driving roller arranged on the outer side of the discharge hole;
in the step b, the electric cabinet comprises a control circuit board, and a parameter matrix T1 (D1, D2, L1, L2, H1 and H2) conforming to the PET film is set in the control circuit board, wherein D1 represents the real-time tensile strength of the PET film, D2 represents the real-time tensile strength of aluminum, L1 represents the real-time density of the PET film, L2 represents the real-time density of aluminum foil, L3 represents the real-time density of the PET film, L4 represents the real-time density of the aluminum foil, H1 represents the real-time thickness of the PET film, and H2 represents the real-time thickness of the aluminum foil; the control circuit board firstly measures and acquires the six parameters when the PET film is arranged on the PET film roller and the aluminum foil is arranged in front of the aluminum film roller;
a standard PET film parameter matrix T0 (D10, D20, L10, L20, H10 and H20) is further set in the control circuit board, wherein L10 represents the standard tensile strength of the PET film, L20 represents the standard tensile strength of the aluminum foil, L10 represents the standard density of the PET film, L20 represents the standard density of the aluminum foil, H10 represents the standard thickness of the PET film, and H20 represents the standard thickness of the aluminum foil;
in the real-time hot pressing process, the parameters of the PET film and the aluminum foil which are measured in real time are compared with the parameters of the standard PET film and the aluminum foil, and the transmission speeds of the PET film roller and the aluminum film roller generate a preset difference value according to the comparison result so as to adjust the performance of the PET film layer.
2. The process of claim 1, wherein in step b, the control circuit board sets a roll rotation speed matrix (T0, v10, v20, v30, T0) under standard conditions, wherein v10 represents a preset rotation speed of the PET film roll, v20 represents a preset rotation speed of the aluminum film roll, v30 represents a preset rotation speed of the driving roll, and T0 represents a preheating temperature of the hot press mechanism.
3. The process for manufacturing a bright film with a metal color as claimed in claim 2, wherein the first threshold D11 and the second threshold D12 of the tensile strength of the PET film, the first threshold D21 and the second threshold D22 of the tensile strength of aluminum are determined, wherein when the difference between the tensile strength of the PET film measured in real time and the standard tensile strength is within the range of the first threshold D11, the difference between the tensile strength of aluminum measured in real time and the standard tensile strength is within the range of the first threshold D21, and the real-time tensile strengths are all less than the standard tensile strength, the first real-time rotation speed v21= v20 of the aluminum film roller, the first real-time rotation speed v11 of the PET film roller, and the first real-time rotation speed v11= v10 x0.92 are controlled.
4. The process of claim 3, wherein the first threshold L11 and the second threshold L12 of the PET film density are set, L2 represents the real-time density of the aluminum foil, the first threshold L21 and the second threshold L22 of the aluminum foil density are set, and if the difference between the real-time measured PET film density L1 and the standard PET film density is within the first threshold L11 range, the difference between the real-time measured aluminum foil density and the aluminum foil density is within the first threshold L21 range, and the real-time measured density is greater than the standard density, the second real-time rotation speed v22= v20 of the aluminum film roller and the second real-time rotation speed v12, v12= v10 x 0.93 of the PET film roller are controlled.
5. The process of claim 4, wherein the first threshold H11 and the second threshold H12 of the thickness of the PET film are set, the first threshold H21 and the second threshold H22 of the thickness of the aluminum foil are set, and if the difference between the density L1 of the PET film measured in real time and the density of the standard PET film is in the range of the first threshold L11, the difference between the density of the aluminum foil measured in real time and the density of the standard PET film is in the range of the first threshold L21, and the density measured in real time is greater than the standard density, the third real-time rotation speed v31= v10 of the aluminum film roller and the third real-time rotation speed v32= v20 of the PET film roller are controlled.
6. The process of claim 5, wherein the real-time rotation speed v2= (v 21+ v22+ v 32)/3 of the aluminum film roll is finally controlled;
finally controlling the real-time rotating speed v1= (v 11+ v21+ v 31)/3 of the PET film roller;
and finally controlling the real-time rotating speed v3=0.95x v1 of the driving roller.
7. The process of claim 5, wherein if the difference between the real-time measured aluminum tensile strength and the standard tensile strength is greater than the first threshold D21 and less than the second threshold D22, the difference between the real-time measured PET film tensile strength and the standard tensile strength is greater than the first threshold D11 and less than the second threshold D12, and the real-time tensile strengths are less than the standard tensile strength, the first real-time rotation speed v21= v20 of the aluminum film roller and the first real-time rotation speed v11, v11= v10 x0.9 of the PET film roller are controlled.
8. The process of claim 7, wherein if the difference between the real-time measured PET film density L1 and the standard PET film density is greater than the first threshold value L11 and less than the second threshold value L12, the difference between the real-time measured aluminum foil density and the aluminum foil density is greater than the first threshold value L21 and less than the second threshold value L22, and the real-time measured density is greater than the standard density, the first real-time rotation speed v22= v20 of the aluminum film roller and the first real-time rotation speed v21, v21= v10 x0.9 of the PET film roller are controlled.
9. The process according to claim 7, wherein the real-time rotation speed v2= (a 2 x v21+ b2 x v22+ v 32)/3 of the aluminum film roll is finally controlled;
finally controlling the real-time rotating speed v1= (a 1 x v11+ b1 x v21+ v 31)/3 of the PET film roller;
finally controlling the real-time rotating speed v3=0.95xv1 of the driving roller,
wherein a1= b1=1, a2=1.11, and b2= 0.95.
10. The manufacturing process of a film with a metal color and a bright surface as claimed in claim 7, wherein the hot-pressing mechanism comprises an electric telescopic rod, the fixed end of the electric telescopic rod is connected with the upper end of the manufacturing cabinet body, the telescopic end of the electric telescopic rod is provided with a mounting block, a hot-pressing roller is arranged on the mounting block, a driving motor is arranged on the mounting block, and the driving motor is connected with the hot-pressing roller through a transmission mechanism;
the hot-pressing roller is characterized in that a mounting opening is formed in the lower portion of the hot-pressing roller, a fixing rod is arranged in the mounting opening, an I-shaped piece is arranged on the fixing rod, a sleeve roller is arranged on the fixing rod and located outside the I-shaped piece, an electric heating wire is arranged on the I-shaped piece, and an input end wire of the electric heating wire penetrates through the I-shaped piece and clings to the fixing rod.
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| CN112757671A (en) * | 2021-01-23 | 2021-05-07 | 瑞年新材料(广东)有限公司 | Variable film preparation process based on angle change |
| CN117804355A (en) * | 2024-02-26 | 2024-04-02 | 合肥东昇智能装备股份有限公司 | Automatic thickness measuring device for composite film electroplating |
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| CN108995343A (en) * | 2018-07-11 | 2018-12-14 | 桐城市万方纸塑包装有限公司 | A kind of manufacturing method of the composite evacuated bag of eight banding of aluminium foil |
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| US20140027040A1 (en) * | 2012-07-27 | 2014-01-30 | Samsung Display Co., Ltd. | Laminating Device and Method |
| CN108995343A (en) * | 2018-07-11 | 2018-12-14 | 桐城市万方纸塑包装有限公司 | A kind of manufacturing method of the composite evacuated bag of eight banding of aluminium foil |
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| CN112757671A (en) * | 2021-01-23 | 2021-05-07 | 瑞年新材料(广东)有限公司 | Variable film preparation process based on angle change |
| CN112757671B (en) * | 2021-01-23 | 2022-04-22 | 瑞年新材料(广东)有限公司 | Variable film preparation process based on angle change |
| CN117804355A (en) * | 2024-02-26 | 2024-04-02 | 合肥东昇智能装备股份有限公司 | Automatic thickness measuring device for composite film electroplating |
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