CN112449447A - Heating diaphragm film coating structure and process - Google Patents
Heating diaphragm film coating structure and process Download PDFInfo
- Publication number
- CN112449447A CN112449447A CN202011435626.7A CN202011435626A CN112449447A CN 112449447 A CN112449447 A CN 112449447A CN 202011435626 A CN202011435626 A CN 202011435626A CN 112449447 A CN112449447 A CN 112449447A
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- Prior art keywords
- heating
- membrane
- film
- heating wire
- layer
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
Abstract
The invention belongs to the technical field of interior and exterior decoration parts, and provides a heating membrane laminating structure and a process, wherein the heating membrane laminating structure is arranged on a part and comprises a membrane, a heating wire and a laminating membrane, the heating wire is pre-embedded on the membrane, a layer of laminating membrane is arranged on the heating wire surface of the heating wire, the laminating membrane and the membrane form a three-layer sandwich heating assembly for cladding the heating wire, and the three-layer sandwich heating assembly is combined with the part into a whole. The invention has the advantages that the film coating process is added, the three-layer sandwich heating assembly containing the heating wire is formed, the binding force of the heating wire and the diaphragm is obviously improved, and the problems of wire stripping and wire breaking of the heating wire in the high-pressure/hot-press molding process and wire punching and wire breaking in the injection molding process are effectively solved.
Description
Technical Field
The invention belongs to the technical field of interior and exterior decoration parts, and relates to a heating membrane laminating structure and a heating membrane laminating process.
Background
According to the scheme of direct high-pressure/hot-press molding after wire embedding of the existing heating wire and subsequent injection molding, the adhesion force of the heating wire and a diaphragm is small, the heating wire is easy to fall off and break in the high-pressure molding process, and the heating wire is easy to be deflected and break by material flow in the injection molding process, so that the problems of poor appearance and no energization of the heating wire are caused.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a heating diaphragm coating structure of the bonding force of a heating wire and a diaphragm aiming at the current situation of the prior art, and effectively solve the problems of wire stripping and wire breaking of the heating wire in the high-pressure/hot-press molding process and wire punching and wire breaking in the injection molding process.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a heating diaphragm tectorial membrane structure, sets up on the part, including diaphragm, heater strip and cover the diaphragm, the heater strip bury in advance on the diaphragm, the heater strip face of heater strip has the one deck to cover the diaphragm, cover diaphragm and diaphragm formation and be used for the cladding to live the three-layer sandwich heating assembly of heater strip, three-layer sandwich heating assembly and part combination become one.
In the above structure of the heating film, the film is a transparent film.
In the above structure, the transparent film and the membrane are laminated to form a three-layer sandwich heating assembly covering the heating wire.
Preferably, in the above structure for coating a heating membrane, the coating sheet is a resin film layer formed by printing ink or an adhesive on the heating filament surface of the membrane, and the resin film layer, the membrane and the heating filament form an integrated three-layer sandwich heating assembly.
In the above-mentioned heating membrane tectorial membrane structure, the tectorial membrane piece for the heating wire face of diaphragm coating or the resin rete that the spraying paint formed, resin rete, diaphragm and heating wire form integrative three-layer sandwich heating assembly.
A heating film laminating process is characterized by comprising the following steps:
step one, embedding a heating wire on a membrane by adopting ultrasonic waves;
attaching a layer of covering membrane on the heating wire surface of the heating wire;
step three, the covered film covering sheet, the heating wire and the film sheet form a three-layer sandwich heating assembly for covering the heating wire;
step four, placing the three-layer sandwich heating assembly into a hot-pressing/high-pressure die for preforming, and trimming after preforming;
and fifthly, placing the trimmed three-layer sandwich heating assembly into a mold of a part for IML injection molding, and finally taking out the integral injection molding part with the heating wire.
In the above-mentioned heating film laminating process, the film is one of PC, PET or PMMA material with a diameter of 0.01-0.25 mm.
As one mode, in the heating membrane laminating process, a layer of transparent film is attached to one layer of the heating wire by adopting laminating equipment; and step three, placing the transparent film, the heating wire and the membrane on laminating equipment for laminating to enable the covered transparent film and the heating membrane to be welded into a three-layer sandwich heating assembly, wherein the transparent film is made of PC or PET material with the diameter of 0.01-0.3 mm.
As a second mode, in the above-mentioned process for coating a heating membrane, in the second step, printing ink or adhesive is printed on the surface of the heating wire of the membrane, and after printing in the third step, drying is performed to form a resin membrane layer with a diameter of 0.01-0.3mm, and the resin membrane layer, the membrane and the heating wire form an integrated three-layer sandwich heating assembly.
As a third mode, in the above-mentioned heating membrane laminating process, the second step is to coat or spray paint on the surface of the heating wire of the membrane, and in the third step, the coating or paint is dried to form a resin membrane layer with a diameter of 0.01-0.3mm, and the resin membrane layer, the membrane and the heating wire form an integrated three-layer sandwich heating assembly.
Compared with the prior art, the invention has the advantages that the film coating process is added, the three-layer sandwich heating combination body containing the heating wire is formed, the binding force of the heating wire and the membrane is obviously improved, and the problems of wire stripping and wire breaking of the heating wire in the high-pressure/hot-press molding process and wire punching and wire breaking in the injection molding process are effectively solved.
Drawings
FIG. 1 is a schematic front view of the heating film;
FIG. 2 is a schematic sectional view A-A of the heater wire of FIG. 1.
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. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "central," "lateral," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting to the scope of the present invention.
In the figure, a membrane 100; a heating wire 200; heating the wire surface 201; a lamination sheet 300; a three-layer sandwich heating assembly 400; part 500.
As shown in fig. 1 and 2, the heating film laminating structure is arranged on a part 500, and comprises a film 100, a heating wire 200 and a laminating film 300, wherein the heating wire 200 is pre-embedded in the film 100, a heating wire 200 with a diameter of 0.01-0.25mm can be embedded in a PC, PET, PMMA or other film 100 by using ultrasonic waves or other heating schemes, in order to form a sandwich structure, a layer of laminating film 300 is arranged on a heating wire surface 201 of the heating wire 200, the laminating film 300 and the film 100 form a three-layer sandwich heating assembly 400 for covering the heating wire 200, the three-layer sandwich heating assembly 400 is integrated with the part 500, so that the bonding force between the heating wire 200 and the film 100 is obviously improved because the heating wire 200 is covered by the laminating film 300 and the film 100, and the problems of wire breaking during the high-pressure/hot-press molding process and the wire breaking during the injection molding process are effectively solved, the lamination film 300 can be a transparent film, the transparent film can be a PC or PET material with the diameter of 0.01-0.3mm, and the three-layer sandwich heating assembly 400 for coating the heating wire 200 is formed mainly after the transparent film and the film 100 are laminated, so that the bonding force is enhanced.
As another mode, the coating film 300 is a resin film layer formed by printing ink or adhesive on the heating wire surface 201 of the film 100, and the resin film layer, the film 100 and the heating wire 200 form an integrated three-layer sandwich heating assembly 400, or the coating film 300 is a resin film layer formed by coating or spraying paint on the heating wire surface 201 of the film 100, and the resin film layer, the film 100 and the heating wire 200 form an integrated three-layer sandwich heating assembly 400.
The preparation method mainly comprises the following steps:
step one, embedding a heating wire 200 into a membrane 100 by adopting ultrasonic waves; secondly, attaching a layer of coating film 300 on the heating wire surface 201 of the heating wire 200; step three, the covered film covering sheet 300, the heating wire 200 and the film 100 form a three-layer sandwich heating assembly 400 for covering the heating wire 200; step four, placing the three-layer sandwich heating assembly 400 into a hot-pressing/high-pressure die for preforming, and trimming after preforming; step five, placing the trimmed three-layer sandwich heating assembly 400 into a mold of a part 500 for IML injection molding, and finally taking out the integral injection molding part with the heating wire 200; the membrane 100 is one of PC, PET or PMMA material with the diameter of 0.01-0.25 mm.
Aiming at the second step and the third step, three main ways are provided, namely a laminating way in the first way, specifically, a film laminating device is adopted in the second step to attach a layer of transparent film on one layer of the heating wire 200; and step three, laminating the transparent film, the heating wire 200 and the membrane 100 on a laminating device to weld the covered transparent film, the heating wire 200 and the membrane 100 into a three-layer sandwich heating assembly 400, wherein the transparent film is made of PC or PET material with the diameter of 0.01-0.3 mm.
And in the second mode, a resin film layer is formed, wherein in the second step, printing ink or adhesive is printed on the heating wire surface 201 of the membrane 100, and in the third step, the printing ink or adhesive is dried to form the resin film layer with the diameter of 0.01-0.3mm, and the resin film layer, the membrane 100 and the heating wire 200 form an integrated three-layer sandwich heating assembly 400.
The third way is to form a resin film layer, step two is to coat or spray paint on the heating wire surface 201 of the membrane 100, step three is to form a resin film layer with a diameter of 0.01-0.3mm after the paint or paint is dried, and the resin film layer, the membrane 100 and the heating wire 200 form an integrated three-layer sandwich heating assembly 400.
The three-layer sandwich heating assembly 400 formed by the process steps effectively solves the problems of wire stripping and wire breaking of the heating wire 200 in the high-pressure/hot-press forming process and wire punching and wire breaking in the injection molding process.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the described embodiments may be made by those skilled in the art without departing from the scope and spirit of the invention as defined by the accompanying claims.
Claims (10)
1. The utility model provides a heating diaphragm tectorial membrane structure, sets up on the part, including diaphragm, heater strip and cover the diaphragm, the heater strip bury in advance on the diaphragm, the heater strip face of heater strip has the one deck to cover the diaphragm, cover diaphragm and diaphragm formation and be used for the cladding to live the three-layer sandwich heating assembly of heater strip, three-layer sandwich heating assembly and part combination become one.
2. A heating membrane lamination configuration as claimed in claim 1, wherein said lamination is a transparent film.
3. A heating membrane film structure as claimed in claim 2, wherein said transparent film is laminated with said membrane to form a three-layer sandwich heating assembly enclosing said heating wire.
4. A heating membrane laminating structure according to claim 1, wherein the laminating membrane is a resin membrane layer formed by printing ink or adhesive on the heating filament surface of the membrane, and the resin membrane layer, the membrane and the heating filament form an integrated three-layer sandwich heating assembly.
5. A heating membrane laminating structure according to claim 1, wherein the laminating membrane is a resin membrane formed by coating or spraying paint on the surface of the heating wire of the membrane, and the resin membrane, the membrane and the heating wire form an integrated three-layer sandwich heating assembly.
6. A heating film laminating process is characterized by comprising the following steps:
step one, embedding a heating wire on a membrane by adopting ultrasonic waves;
attaching a layer of covering membrane on the heating wire surface of the heating wire;
step three, the covered film covering sheet, the heating wire and the film sheet form a three-layer sandwich heating assembly for covering the heating wire;
step four, placing the three-layer sandwich heating assembly into a hot-pressing/high-pressure die for preforming, and trimming after preforming;
and fifthly, placing the trimmed three-layer sandwich heating assembly into a mold of a part for IML injection molding, and finally taking out the integral injection molding part with the heating wire.
7. The process of claim 6, wherein the membrane is one of PC, PET and PMMA with a diameter of 0.01-0.25 mm.
8. The heating membrane laminating process according to claim 7, wherein in the second step, a transparent film is attached to one layer of the heating wire by adopting laminating equipment; and step three, placing the transparent film, the heating wire and the membrane on laminating equipment for laminating to enable the covered transparent film and the heating membrane to be welded into a three-layer sandwich heating assembly, wherein the transparent film is made of PC or PET material with the diameter of 0.01-0.3 mm.
9. The heating film laminating process of claim 7, wherein in the second step, printing ink or adhesive is printed on the heating wire surface of the film, in the third step, the printing is performed and then the drying is performed to form a resin film layer with the diameter of 0.01-0.3mm, and the resin film layer, the film and the heating wire form an integrated three-layer sandwich heating assembly.
10. The heating film laminating process according to claim 7, wherein in the second step, coating or spraying paint on the surface of the heating wire of the film, in the third step, the coating or paint is dried to form a resin film layer with the diameter of 0.01-0.3mm, and the resin film layer, the film and the heating wire form an integrated three-layer sandwich heating assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011435626.7A CN112449447A (en) | 2020-12-10 | 2020-12-10 | Heating diaphragm film coating structure and process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011435626.7A CN112449447A (en) | 2020-12-10 | 2020-12-10 | Heating diaphragm film coating structure and process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112449447A true CN112449447A (en) | 2021-03-05 |
Family
ID=74739058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011435626.7A Pending CN112449447A (en) | 2020-12-10 | 2020-12-10 | Heating diaphragm film coating structure and process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112449447A (en) |
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2020
- 2020-12-10 CN CN202011435626.7A patent/CN112449447A/en active Pending
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