CN110802822A - PC heat-insulation skylight and production process thereof - Google Patents
PC heat-insulation skylight and production process thereof Download PDFInfo
- Publication number
- CN110802822A CN110802822A CN201911075384.2A CN201911075384A CN110802822A CN 110802822 A CN110802822 A CN 110802822A CN 201911075384 A CN201911075384 A CN 201911075384A CN 110802822 A CN110802822 A CN 110802822A
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- Prior art keywords
- skylight
- heat
- production process
- baking
- insulating
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/77—Measuring, controlling or regulating of velocity or pressure of moulding material
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/1769—Handling of moulded articles or runners, e.g. sorting, stacking, grinding of runners
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/45—Joining of substantially the whole surface of the articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/24—Devices purely for ventilating or where the heating or cooling is irrelevant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J7/00—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76498—Pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76531—Temperature
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Joining Of Glass To Other Materials (AREA)
Abstract
The invention relates to a production process of a PC heat-insulation skylight, which comprises the following steps: injection molding; surface treatment; screen printing; primary baking; assembling; hot pressing; and (5) secondary baking. The heat-insulation skylight manufactured by the production process can reduce weight by 40-50%, can achieve the shape which cannot be achieved by glass, and has the ultraviolet ray blocking rate of 100%, the infrared ray blocking rate of 90% and the light transmittance rate of more than 70-85%.
Description
Technical Field
The invention relates to a heat-insulating skylight, in particular to a PC heat-insulating skylight and a production process thereof.
Background
At present, most car factories select heat-insulating skylights in the market or double-layer 3mm glass with a 0.76mm PVB glue in the middle to make the laminated glass, and the laminated glass is made of integral glass, has heavy load, has great influence on the fuel economy of automobiles and new energy automobiles and has no function of blocking ultraviolet rays, and car owners adopt a rear film pasting mode and the film pasting does not have a dimming function.
Disclosure of Invention
The invention provides a production process of a PC heat-insulation skylight, aiming at solving the problems that the existing heat-insulation skylight is heavy in load and has no ultraviolet and infrared ray blocking function, the heat-insulation skylight produced by the production process can reduce weight by 40-50%, can achieve the shape which cannot be achieved by glass, and has 100% of ultraviolet blocking, 90% of infrared blocking and more than 70-85% of light transmittance.
The technical scheme adopted by the invention is as follows: the production process of the PC heat-insulation skylight comprises the following steps
Injection molding: forming a plane PC plate by using PC and ABS as raw materials through an injection molding machine, wherein the injection molding melting temperature is 220-260 ℃, and the injection molding pressure is 60-130 MPa;
surface treatment: carrying out plasma treatment on an area to be printed in the PC board;
screen printing: carrying out silk-screen printing on an area to be printed in the PC board;
primary baking: placing the printed PC board into an oven for baking;
assembling: a liquid crystal film is arranged in an interlayer between two PC boards, and the PC boards and the liquid crystal film are adhered;
hot pressing: carrying out hot pressing on the combined product, wherein the hot pressing temperature is 180-200 ℃;
secondary baking: and (5) baking the hot-pressed product at high temperature.
Further, the temperature of the mold in the injection molding process is 70-90 ℃.
Further, the pigment for screen printing comprises ink, diluent and curing agent, wherein the ink: diluent agent: the mixing ratio of the curing agent is 10:1: 1.
Further, the screen printing screen is selected to be 200 meshes.
Further, the primary baking temperature is 75-80 ℃, and the baking time is 15-25 min.
Further, the liquid crystal film used in the assembly is one of a black liquid crystal film, a gray liquid crystal film or a white liquid crystal film.
Further, the secondary baking temperature is 180-190 ℃; the baking time is 27-33 min.
Further, the product after secondary baking is cut into the required size by five shafts, and the suction force of the five shafts is 2MPa-6 MPa.
The invention also provides the PC heat-insulation skylight prepared by the method.
The beneficial effects produced by the invention comprise: the PC skylight of the invention: 1. there is the outer separation visible light of car by the soft visible light of interior by gentle. 2. The infrared ray barrier can achieve cooling in summer when the infrared ray barrier reaches 90 percent, and the ultraviolet ray barrier can achieve 100 percent and achieve warming in winter; 3. compared with the traditional skylight, the weight can be reduced by 40-50%, and experiments prove that the fuel economy can be improved by 1-2% when the aerodynamic efficiency is improved by 10%; 4. the safety performance of the PC heat-insulation skylight is far higher than that of a common glass skylight.
Detailed Description
The present invention is explained in further detail with reference to specific embodiments, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
Example 1
The production process of the pc heat-insulation skylight in the embodiment is as follows
(1) Injection molding: the PC and ABS raw materials are molded into a plane PC plate by an injection molding machine, wherein the injection molding melting temperature is set to be 260 ℃, the mold temperature is set to be 85 ℃, and the injection molding pressure is 100 MPa.
(2) Cutting: the PC board was placed on a three-axis cutter with a material length of 2330mm, width of 1160mm and thickness of 4.0 mm, and then subjected to preliminary contour cutting with a length of 1130mm and width of 568mm according to the contour dimension of the product.
(3) Surface treatment: and placing the product on a worktable, setting the product to be placed in the middle of the jig plate according to the size (1130mm x 568 mm) of the product, fixing the product in a position, pressing a green switch, and performing plasma treatment on all areas needing to be printed.
(4) Screen printing: using ink, diluent, curing agent, and seasoning ratio ink each time: diluent agent: the curing agent is 10:1:1, the screen is 200 meshes, and after the curing agent is prepared, the PC board is printed.
(5) Baking: directly putting the printed product into an oven for baking at the baking temperature of 78 ℃; baking time is 15 min.
(6) Assembling: and (3) putting a piece of liquid crystal film in two cut PC boards, and attaching the liquid crystal film by using EVA glue. This example uses a white liquid crystal film with a light transmittance of 80%. The duration of the electrification reaches more than one hundred thousand hours.
(7) Hot pressing: and setting the hot pressing temperature to 200 ℃, and carrying out hot pressing on the attached product.
(8) Baking: directly baking the hot-pressed product at high temperature, wherein the baking temperature is 190 ℃; baking time is 33 min.
(9) Five-axis cutting: setting the suction parameter to be 6MPa, and placing the hot-pressed product on a five-axis cutting machine for final shape cutting.
Obtaining a product A
Example 2
The production process of the pc heat-insulation skylight in the embodiment is as follows
(1) Injection molding: the PC and ABS raw materials are molded into a plane PC plate by an injection molding machine, wherein the injection molding melting temperature is set to be 230 ℃, the mold temperature is set to be 70 ℃, and the injection molding pressure is 80 MPa.
(2) Cutting: the PC board was placed on a three-axis cutter with a material length of 2330mm, width of 1160mm and thickness of 4.0 mm, and then subjected to preliminary contour cutting with a length of 1130mm and width of 568mm according to the contour dimension of the product.
(3) Surface treatment: and placing the product on a worktable, setting the product to be placed in the middle of the jig plate according to the size (1130mm x 568 mm) of the product, fixing the product in a position, pressing a switch, and performing plasma treatment on all areas to be printed.
(4) Screen printing: using ink, diluent, curing agent, and seasoning ratio ink each time: diluent agent: the curing agent is 10:1:1, the screen is 200 meshes, and after the curing agent is prepared, the PC board is printed.
(5) Baking: directly putting the printed product into an oven for baking at the baking temperature of 78 ℃; baking time is 15 min.
(6) Assembling: and (3) putting a piece of liquid crystal film in two cut PC boards, and attaching the liquid crystal film by using EVA glue. This example uses a black liquid crystal film with a light transmittance of 35%. The duration of the electrification reaches more than one hundred thousand hours.
(7) Hot pressing: and setting the hot pressing temperature to 190 ℃, and carrying out hot pressing on the attached product.
(8) Baking: directly baking the hot-pressed product at high temperature, wherein the baking temperature is 180 ℃; baking time is 27 min.
(9) Five-axis cutting: setting the suction parameter to be 2MPa, and placing the hot-pressed product on a five-axis cutting machine for final shape cutting. And obtaining a product B.
The chemical parameters of the produced heat-insulating skylight are as follows:
the following is a further description of the installation of the heat-insulated skylight
1. Material and tool
(1) Polyurethane adhesive (TEROSON PU8590)
(2) Activating cleaning agent
(3) And base coat (TERSOTAT 8511)
(4) And adjuvants (Cotton cloth, paper tape, brush, glass sucker)
(5) Tools (hand glue gun, art designing knife)
2. And (3) bonding process: the parts to be bonded: air rail front window, side window and top window
(1) And pre-installing the corresponding glass to be buckled on the window frame, checking the fit degree of the glass and the window frame, correcting the window frame if necessary, and taking down the glass after the window frame is qualified.
(2) Cleaning the bonding surface
a. The metal window frame and the periphery of the glass are adhered by using a paper tape, the non-adhesion part is shielded, and the adhesion part is exposed.
b. A small amount of activated cleaning agent is dipped in cotton cloth and wiped once along the bonding surface of the glass and the window frame along one direction.
Note that: the wiping cannot be repeated, for example, the cotton cloth changes color after wiping, the procedure can be repeated by changing one cotton cloth, if the ink drops, the glass is recommended to be changed, otherwise unpredictable results can occur.
c. After the activated cleaning agent is wiped, the product is dried for 5-10 minutes at room temperature, so that the next operation can be carried out. During this period, care must be taken to maintain cleanliness and hygiene, especially so that no dust can fall on the glue application site.
(3) And prime coating glue
The primer needs to be uniformly coated on the prepared gluing part, and the width of the primer is 1.5 times of the width of the bonding surface. Both the vehicle frame and the glass need to be coated.
(4) And applying the glue
a. The ambient temperature should be between 5 ℃ and 40 ℃, and outside the range, construction is not recommended.
b. The rubber nozzle opening is cut into a triangle, and the recommended opening size is x high: bxh =12x 15mm
c. And continuously and uniformly coating and injecting the glue on the surface to be bonded by using a manual or automatic glue extruding gun. Coating on one side. The suggested adhesive has a height and width of about 10mm
Note that: the joint part should be lapped on the front section, and the joint part is not butt jointed or butted to avoid water leakage
5. Assembling and fixing
a. And embedding the thickness cushion blocks prepared in advance into 3-4 blocks on the inner side of the adhesive tape to ensure the thickness flatness of the bonded adhesive.
b. The mounting position and direction (right and left and front and back directions) were confirmed first, and the glass chuck was moved (complete suction was ensured).
According to the PC heat-insulation skylight, metal sputtering and nano technology are adopted, high-precision nano coating is adopted, two materials of PC and glass (the weight can be effectively reduced by 30-50%) are adopted, and experiments prove that the fuel economy can be improved by 1-2% when the aerodynamic efficiency is improved by 10%. And more importantly, the safety performance of the PC heat-insulation skylight is far higher than that of a common glass skylight.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the content of the embodiment. It will be apparent to those skilled in the art that various changes and modifications can be made within the technical scope of the present invention, and any changes and modifications made are within the protective scope of the present invention.
Claims (10)
1. A production process of a PC heat insulation skylight is characterized in that: comprises the following steps
Injection molding: forming a plane PC plate by using PC and ABS as raw materials through an injection molding machine, wherein the injection molding melting temperature is 220-260 ℃, and the injection molding pressure is 60-130 MPa;
surface treatment: carrying out plasma treatment on an area to be printed in the PC board;
screen printing: carrying out silk-screen printing on an area to be printed in the PC board;
primary baking: placing the printed PC board into an oven for baking;
assembling: a liquid crystal film is arranged in an interlayer between two PC boards, and the PC boards and the liquid crystal film are adhered;
hot pressing: carrying out hot pressing on the combined product, wherein the hot pressing temperature is 180-200 ℃;
secondary baking: and (5) baking the hot-pressed product at high temperature.
2. The production process of the PC heat-insulating skylight of claim 1, characterized in that: the temperature of the mold in the injection molding process is 70-90 ℃.
3. The production process of the PC heat-insulating skylight of claim 1, characterized in that: the screen-printed pigment comprises ink, a diluent and a curing agent, wherein the ink: diluent agent: the mixing ratio of the curing agent is 10:1: 1.
4. The process for producing a heat-insulating skylight of claim 1, wherein: the screen printing screen is 200 mesh.
5. The production process of the PC heat-insulating skylight of claim 1, characterized in that: the primary baking temperature is 75-80 ℃, and the baking time is 15-25 min.
6. The production process of the PC heat-insulating skylight of claim 1, characterized in that: the liquid crystal film used in the assembly is one of a black liquid crystal film, a gray liquid crystal film or a white liquid crystal film.
7. The production process of the PC heat-insulating skylight of claim 1, characterized in that: the secondary baking temperature is 180-190 ℃; the baking time is 27-33 min.
8. The production process of the PC heat-insulating skylight of claim 1, characterized in that: and cutting the product subjected to secondary baking into the required size by adopting five shafts, wherein the suction force of the five shafts is 2-6 MPa.
9. The production process of the PC heat-insulating skylight of claim 1, characterized in that: the mixing ratio of PC to ABS was 2.5: 1.2.
10. A PC heat insulating skylight made based on the method of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911075384.2A CN110802822A (en) | 2019-11-06 | 2019-11-06 | PC heat-insulation skylight and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911075384.2A CN110802822A (en) | 2019-11-06 | 2019-11-06 | PC heat-insulation skylight and production process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110802822A true CN110802822A (en) | 2020-02-18 |
Family
ID=69502052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911075384.2A Pending CN110802822A (en) | 2019-11-06 | 2019-11-06 | PC heat-insulation skylight and production process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110802822A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1048603A (en) * | 1996-08-06 | 1998-02-20 | Dainippon Printing Co Ltd | Variable information display window |
| CN1569717A (en) * | 2004-04-27 | 2005-01-26 | 番禺新法五金玻璃有限公司 | Laminated glass and its production method |
| CN103085394A (en) * | 2006-04-20 | 2013-05-08 | 皮尔金顿集团有限公司 | Laminated glazing |
| CN103538408A (en) * | 2013-10-18 | 2014-01-29 | 广东星弛光电科技有限公司 | Frosting-corrosion printing process of glass |
-
2019
- 2019-11-06 CN CN201911075384.2A patent/CN110802822A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1048603A (en) * | 1996-08-06 | 1998-02-20 | Dainippon Printing Co Ltd | Variable information display window |
| CN1569717A (en) * | 2004-04-27 | 2005-01-26 | 番禺新法五金玻璃有限公司 | Laminated glass and its production method |
| CN103085394A (en) * | 2006-04-20 | 2013-05-08 | 皮尔金顿集团有限公司 | Laminated glazing |
| CN103538408A (en) * | 2013-10-18 | 2014-01-29 | 广东星弛光电科技有限公司 | Frosting-corrosion printing process of glass |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200218 |
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| RJ01 | Rejection of invention patent application after publication |