CN110202779B - Production process of PMMA arc-shaped plate and television base - Google Patents
Production process of PMMA arc-shaped plate and television base Download PDFInfo
- Publication number
- CN110202779B CN110202779B CN201910424216.3A CN201910424216A CN110202779B CN 110202779 B CN110202779 B CN 110202779B CN 201910424216 A CN201910424216 A CN 201910424216A CN 110202779 B CN110202779 B CN 110202779B
- Authority
- CN
- China
- Prior art keywords
- pmma
- arc
- plate
- shaped plate
- production process
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/02—Bending or folding
- B29C53/04—Bending or folding of plates or sheets
-
- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/80—Component parts, details or accessories; Auxiliary operations
- B29C53/84—Heating or cooling
-
- 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
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/02—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like 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
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
Abstract
The invention discloses a production process of a PMMA arc-shaped plate, which is manufactured by a PMMA plate through the steps of silk screen printing, film coating, hot bending forming and the like. The PMMA arc-shaped plate produced by the production process has the advantages of transparent appearance and high transparency, can meet the requirements of household appliance markets on the bending radian and the bearing of the plate, and can be used for manufacturing various household appliance bases. The invention also discloses a television base which is made of the PMMA arc-shaped plate, has novel shape and high transparency and meets the market demand.
Description
Technical Field
The invention relates to the technical field of plate processing, in particular to a production process of a PMMA arc-shaped plate and a television base manufactured by adopting the PMMA arc-shaped plate.
Background
Traditional TV base adopts toughened glass, injection molding or metalwork preparation to form usually, and the TV base appearance of toughened glass preparation is penetrating pleasing to the eye, but breakable easy splitting, and the practicality is poor, and the injection molding quality is light, but needs the die sinking, and is with high costs, and the metalwork is heavier, and the appearance is comparatively stiff.
PMMA is also called Acrylic or organic glass, has the advantages of high transparency, low price, easy machining, etc., is a frequently used glass substitute material, and is also one of hot door materials that can be selected as a panel of household appliances in recent years, but as a television base, household appliances needing load bearing have high requirements for the thickness of the plate, and due to the limitation of production technology, PMMA plates with a thickness exceeding a certain thickness (15-20 mm) have technical difficulties in hot bending processing, so that the shape of the PMMA plate is limited, and the use of the PMMA plate is limited.
Disclosure of Invention
The invention aims to provide a production process of a PMMA arc-shaped plate, and the produced PMMA arc-shaped plate can meet the requirements of the household appliance market on the bending radian and the bearing of the plate.
The invention also aims to provide a television base which is made of the PMMA arc-shaped plate, has novel shape and high transparency and meets the market demand.
In order to achieve the above purpose, the solution of the invention is:
a production process of a PMMA arc-shaped plate comprises the following steps:
step 1, screen printing: sending a flat PMMA plate with the thickness of 15-20 mm into a printing machine for screen printing to obtain a PMMA plate with a printing pattern;
step 2, film coating: feeding the PMMA board subjected to screen printing into a film laminating machine, and respectively coating a layer of high-temperature-resistant protective film on two sides of the PMMA board by the film laminating machine;
step 3, hot bending and forming: and (3) conveying the PMMA plate coated with the film into hot bending equipment for hot bending forming, wherein the hot bending forming step comprises the following steps:
s1: firstly, baking two sides of a PMMA plate at 200-220 ℃ for 5-10 min, then cooling to 130-150 ℃, heating to 200-220 ℃ again, baking two sides of the PMMA plate for 5-10 min for the second time, and repeating the cooling and heating for 1-3 times to gradually soften the PMMA plate;
s2: placing the baked PMMA plate into a bending die to be bent to obtain a PMMA arc plate;
s3: and (3) placing the bent PMMA arc-shaped plate on a shaping jig for cooling and shaping to obtain the PMMA arc-shaped plate finished product.
In the step 1, the ink used for screen printing is high-temperature resistant ink.
In step 3, in S1, in the baking process, the baking temperature is gradually increased from room temperature to 200-220 ℃ at a heating rate of 10-15 ℃/min, and after the temperature is naturally decreased to 130-150 ℃, the temperature is gradually increased to 200-220 ℃ at a heating rate of 10-15 ℃/min.
In step 3, in S2, the bending time is 8-10 min.
In step 3, in S3, the setting time is 15-20 min.
Further comprises a step 4 of engraving: and putting the PMMA arc-shaped plate subjected to hot bending forming into a carving jig for five-axis carving processing to finish the appearance and hole site processing of the PMMA arc-shaped plate.
Also comprises a step 5 of checking and packaging.
The television base comprises a base body made of the PMMA arc-shaped plate, wherein the PMMA arc-shaped plate is made of the PMMA plate through the steps of screen printing, film coating and hot bending forming.
After the technical scheme is adopted, in the film laminating step, the two surfaces of the PMMA plate are respectively coated with the high-temperature-resistant protective films, so that the PMMA plate and the printed patterns are protected, and the damage to the PMMA plate possibly caused in the subsequent hot bending forming step is avoided; in the hot bending forming step, the PMMA plate is 15-20 mm thicker than a common hot bending formed plate, so that the PMMA plate is baked and softened in a progressive baking mode, the heat of the PMMA plate is transferred from outside to inside, the PMMA plate is gradually and uniformly softened, subsequent bending is realized, and the problems that the PMMA plate cannot be bent in place and the PMMA plate is heated, foamed and marked are solved; the PMMA arc-shaped plate produced by the production process has the advantages of transparent appearance and high transparency, can meet the requirements of household appliance markets on the bending radian and the bearing of the plate, and can be used for manufacturing various household appliance bases.
The television base is made of the PMMA arc-shaped plate, is novel in shape and high in transparency, and meets market requirements.
Drawings
Fig. 1 is a schematic structural diagram of a television base according to the present invention.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following specific examples.
Example 1
A production process of a PMMA arc-shaped plate comprises the following steps:
step 1, screen printing: feeding a flat PMMA plate with the thickness of 15-20 mm into a printing machine, and selecting high-temperature-resistant ink for screen printing to obtain the PMMA plate with a printing pattern;
step 2, film coating: feeding the PMMA board subjected to screen printing into a film laminating machine, and respectively coating a layer of high-temperature-resistant protective film on two sides of the PMMA board by the film laminating machine;
step 3, hot bending and forming: and (3) conveying the PMMA plate coated with the film into hot bending equipment for hot bending forming, wherein the hot bending forming step comprises the following steps:
s1: heating the baking temperature from room temperature to 200 ℃ at a heating rate of 10 ℃/min, baking two sides of the PMMA plate for 5min at 200 ℃, then naturally cooling to 130 ℃, heating the baking temperature to 200 ℃ at a heating rate of 10 ℃/min, baking two sides of the PMMA plate for 5min at 200 ℃ for two times, repeating the steps for three times, gradually softening the PMMA plate, and avoiding heating, bubbling and marking of the PMMA plate;
s2: placing the baked PMMA plate into a bending die to be bent for 8min to obtain a PMMA arc plate;
s3: and (3) placing the bent PMMA arc-shaped plate on a shaping jig for cooling and shaping for 15min to obtain a PMMA arc-shaped plate finished product.
In this embodiment, the high temperature resistant ink is purchased from Shenzhen Chenrui science and technology Limited, and the high temperature resistant protective film is purchased from Shishi Yongli Plastic products Limited.
Example 2
The utility model provides a TV set base, includes the base body that is formed by the preparation of PMMA arc panel, and this PMMA arc panel has first portion of bending and the second portion of bending, and this PMMA arc panel's production technology includes following step:
step 1, screen printing: feeding a flat PMMA plate with the thickness of 15-20 mm into a printing machine, and selecting high-temperature-resistant ink for screen printing to obtain the PMMA plate with a printing pattern;
step 2, film coating: feeding the PMMA board subjected to screen printing into a film laminating machine, and respectively coating a layer of high-temperature-resistant protective film on two sides of the PMMA board by the film laminating machine;
step 3, hot bending and forming: and (3) conveying the PMMA plate coated with the film into hot bending equipment for hot bending forming, wherein the hot bending forming step comprises the following steps:
s1: firstly, heating the baking temperature to 220 ℃ at a heating rate of 15 ℃/min, baking two sides of the PMMA plate at 220 ℃ for 10min, then naturally cooling to 130 ℃, heating the baking temperature to 220 ℃ at a heating rate of 15 ℃/min, baking two sides of the PMMA plate at 220 ℃ for 10min for two times, repeating the steps for three times, gradually softening the PMMA plate, and avoiding heating, bubbling and marking of the PMMA plate;
s2: placing the baked PMMA plate into a bending die to bend for 10min to obtain a PMMA arc plate with a first bending part and a second bending part;
s3: placing the bent PMMA arc-shaped plate on a shaping jig for cooling and shaping for 20 min;
step 4, engraving: putting the PMMA arc-shaped plate into a carving jig for five-axis carving processing to finish the shape and hole site processing of the PMMA arc-shaped plate;
and 5, inspecting and packaging to obtain the finished product of the television base shown in the figure 1.
In this embodiment, the high temperature resistant ink is purchased from Shenzhen Chenrui science and technology Limited, and the high temperature resistant protective film is purchased from Shishi Yongli Plastic products Limited.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications thereof by those skilled in the art should be considered as not departing from the scope of the present invention.
Claims (7)
1. A production process of PMMA arc-shaped plates is characterized by comprising the following steps: the method comprises the following steps:
step 1, screen printing: sending a flat PMMA plate with the thickness of 15-20 mm into a printing machine for screen printing to obtain a PMMA plate with a printing pattern;
step 2, film coating: feeding the PMMA board subjected to screen printing into a film laminating machine, and respectively coating a layer of high-temperature-resistant protective film on two sides of the PMMA board by the film laminating machine;
step 3, hot bending and forming: and (3) conveying the PMMA plate coated with the film into hot bending equipment for hot bending forming, wherein the hot bending forming step comprises the following steps:
s1: gradually raising the baking temperature from room temperature to 200-220 ℃ at a heating rate of 10-15 ℃/min, baking two surfaces of the PMMA plate for 5-10 min, naturally cooling to 130-150 ℃, then gradually raising the temperature to 200-220 ℃ at a heating rate of 10-15 ℃/min, baking two surfaces of the PMMA plate for 5-10 min for the second time, and repeating the cooling and the heating for 1-3 times to gradually soften the PMMA plate;
s2: placing the baked PMMA plate into a bending die to be bent to obtain a PMMA arc plate;
s3: and (3) placing the bent PMMA arc-shaped plate on a shaping jig for cooling and shaping to obtain the PMMA arc-shaped plate finished product.
2. The production process of the PMMA arc-shaped plate material as claimed in claim 1, is characterized in that: in the step 1, the ink used for screen printing is high-temperature resistant ink.
3. The production process of the PMMA arc-shaped plate material as claimed in claim 1, is characterized in that: in step 3, in S2, the bending time is 8-10 min.
4. The production process of the PMMA arc-shaped plate material as claimed in claim 1, is characterized in that: in step 3, in S3, the setting time is 15-20 min.
5. The production process of the PMMA arc-shaped plate material as claimed in claim 1, is characterized in that: further comprises a step 4 of engraving: and putting the PMMA arc-shaped plate subjected to hot bending forming into a carving jig for five-axis carving processing to finish the appearance and hole site processing of the PMMA arc-shaped plate.
6. The production process of the PMMA arc-shaped plate material as claimed in claim 1, is characterized in that: also comprises a step 5 of checking and packaging.
7. A television base comprising a base body made of the PMMA arc plate material of claim 1, wherein the PMMA arc plate material is made of the PMMA plate material of claim 1 through a screen printing step, a film coating step and a hot bending forming step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910424216.3A CN110202779B (en) | 2019-05-21 | 2019-05-21 | Production process of PMMA arc-shaped plate and television base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910424216.3A CN110202779B (en) | 2019-05-21 | 2019-05-21 | Production process of PMMA arc-shaped plate and television base |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110202779A CN110202779A (en) | 2019-09-06 |
| CN110202779B true CN110202779B (en) | 2022-03-11 |
Family
ID=67788058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910424216.3A Active CN110202779B (en) | 2019-05-21 | 2019-05-21 | Production process of PMMA arc-shaped plate and television base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110202779B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116968362B (en) * | 2023-09-22 | 2024-01-02 | 玩出梦想(上海)科技有限公司 | Preparation method of front cover of head-mounted display device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102825779A (en) * | 2012-08-21 | 2012-12-19 | 华为终端有限公司 | Housing preparation method and terminal |
| CN206242484U (en) * | 2016-11-10 | 2017-06-13 | 安徽新胜塑料科技有限公司 | A kind of preheating and cooling system for acrylic board bending |
| CN106949546A (en) * | 2017-02-08 | 2017-07-14 | 福建省锐驰电子科技有限公司 | A kind of manufacture craft of gradient color air-conditioning curved panel |
| CN106989499A (en) * | 2017-02-08 | 2017-07-28 | 福建省锐驰电子科技有限公司 | A kind of manufacture craft of the air-conditioning curved panel with metal-like |
| CN107379506A (en) * | 2017-07-25 | 2017-11-24 | 广东美的制冷设备有限公司 | Preparation method, 3D acrylics panel and the indoor apparatus of air conditioner of 3D acrylic panels |
-
2019
- 2019-05-21 CN CN201910424216.3A patent/CN110202779B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102825779A (en) * | 2012-08-21 | 2012-12-19 | 华为终端有限公司 | Housing preparation method and terminal |
| CN206242484U (en) * | 2016-11-10 | 2017-06-13 | 安徽新胜塑料科技有限公司 | A kind of preheating and cooling system for acrylic board bending |
| CN106949546A (en) * | 2017-02-08 | 2017-07-14 | 福建省锐驰电子科技有限公司 | A kind of manufacture craft of gradient color air-conditioning curved panel |
| CN106989499A (en) * | 2017-02-08 | 2017-07-28 | 福建省锐驰电子科技有限公司 | A kind of manufacture craft of the air-conditioning curved panel with metal-like |
| CN107379506A (en) * | 2017-07-25 | 2017-11-24 | 广东美的制冷设备有限公司 | Preparation method, 3D acrylics panel and the indoor apparatus of air conditioner of 3D acrylic panels |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110202779A (en) | 2019-09-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111347703B (en) | Manufacturing method of mobile phone rear cover with 3D effect | |
| CN107508933A (en) | A kind of manufacture method of composite 3D mobile phone backboards | |
| CN215397458U (en) | Electronic product shell | |
| CN106949546B (en) | Manufacturing process of gradient-color air conditioner arc-shaped panel | |
| CN110202779B (en) | Production process of PMMA arc-shaped plate and television base | |
| CN112830667A (en) | Texture manufacturing method of glass piece and electronic equipment | |
| CN203391497U (en) | Intramode transfer foil | |
| CN109177215A (en) | A kind of plated sheets injection molding process and products thereof | |
| CN113292232A (en) | Manufacturing method of electronic device shell, electronic device shell and electronic device | |
| CN208022908U (en) | A kind of glass bending furnace and bend glass hot bending equipment | |
| CN104985888B (en) | Thin-film composite glass fiber board 3D curved surface forming method | |
| TW201219126A (en) | Forming mold with dual structure and method of manufacturing exterior panel for household electric appliance using the forming mold | |
| CN116814173A (en) | Diaphragm, plastic part with touchable textures and manufacturing process of plastic part | |
| CN110895426A (en) | 3D glass cover plate and manufacturing method thereof | |
| CN105015245A (en) | Manufacturing technology of colorful crystal toughened glass decoration panel having stereoscopic water drop effect | |
| CN112078120A (en) | Bending process for carbon crystal veneer at various angles | |
| CN105595653A (en) | Stainless steel solid wood imitating profiled cabinet door plate and process for manufacturing same | |
| CN206865894U (en) | Terminal bonnet and electronic equipment | |
| CN103211374B (en) | A kind of glass shell formed product method | |
| CN110275643A (en) | The processing method of circuit board, touch panel and touch panel | |
| CN211264201U (en) | 3D glass cover plate | |
| CN109532301A (en) | A kind of embossing Coil Coating Products and its manufacturing process | |
| CN209126264U (en) | Glass panel and refrigeration equipment | |
| CN103587033A (en) | Processing method of exterior decoration effects, and product processed by processing method | |
| CN214727133U (en) | Shell with built-in diaphragm |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |