CN108638532B - One-step forming system for in-mold film coating of curved panel - Google Patents
One-step forming system for in-mold film coating of curved panel Download PDFInfo
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- CN108638532B CN108638532B CN201810392242.8A CN201810392242A CN108638532B CN 108638532 B CN108638532 B CN 108638532B CN 201810392242 A CN201810392242 A CN 201810392242A CN 108638532 B CN108638532 B CN 108638532B
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- driving mechanism
- film
- supporting plate
- feeding seat
- mold
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- 239000007888 film coating Substances 0.000 title claims abstract description 8
- 238000009501 film coating Methods 0.000 title claims abstract description 8
- 239000000758 substrate Substances 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000005452 bending Methods 0.000 claims abstract description 5
- 238000010030 laminating Methods 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 239000002344 surface layer Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 abstract description 10
- 238000000576 coating method Methods 0.000 abstract description 10
- 238000013329 compounding Methods 0.000 abstract description 2
- 238000001125 extrusion Methods 0.000 abstract description 2
- 238000001179 sorption measurement Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 5
- 239000010410 layer Substances 0.000 description 2
- 210000002489 tectorial membrane Anatomy 0.000 description 2
- 230000005587 bubbling Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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
- 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
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a one-step forming system for coating film in a curved panel mould, which comprises: the device comprises a fixed die, a feeding seat and a movable die. According to the one-step forming system for the inner film coating of the curved panel mould, disclosed by the invention, the automatic feeding of a film is completed through the negative pressure adsorption of the feeding seat and the fixed mould, and the deformation of the substrate and the compounding of the film and the substrate are completed through the matched mould extrusion of the movable mould and the fixed mould. Therefore, the process continuity of in-mold coating, especially in-mold coating of a curved panel, is realized, the time for film feeding and substrate bending deformation is saved, the work efficiency is favorably improved, and the labor and cost consumption are reduced.
Description
Technical Field
The invention relates to the technical field of in-mold coating, in particular to an in-mold coating one-step forming system for a curved panel.
Background
With the development of the times and the progress of the society, the requirements of customers on the appearance quality of electronic products are higher and new, and the quality of the appearance quality of the products directly influences the market sales volume of the products. At present, the technology of coating films on the outer surfaces of electronic injection products generally adopts secondary processing on parts, namely, the parts are coated with films by using a film coating tool after the parts are molded. The disadvantages of this coating technique are: the problems of poor adhesion, bubbling, film coating wrinkling and the like occur, the surface quality of parts is seriously influenced, and the appearance quality of products cannot be ensured.
Disclosure of Invention
Based on the technical problems in the prior art, the invention provides a one-step forming system for in-mold laminating of a curved panel.
The invention provides a one-step forming system for coating a film in a curved panel mould, which comprises: the fixed die, the feeding seat and the movable die;
the fixed die is fixedly installed, the feeding seat and the movable die are movably installed, and the fixed die is positioned at one end of the moving track of the movable die; the moving track of the feeding seat is perpendicular to the moving track of the movable mold and is positioned between the fixed mold and the movable mold;
one side of the fixed die, which faces the movable die, is provided with a concave surface, and a negative pressure cavity is arranged in the fixed die; the concave surface is provided with a negative pressure hole communicated with the negative pressure cavity, and the negative pressure cavity is communicated with a negative pressure mechanism;
a film supporting plate is movably arranged on the feeding seat, and the moving track of the film supporting plate is vertical to that of the feeding seat; the film supporting plate is a curved panel matched with the concave surface, and the upper end and the lower end of the film supporting plate are respectively provided with a first fixing clamp and a second fixing clamp which are used for clamping the film tiled at the outer side of the film supporting plate; the other end of the feeding seat is provided with a substrate fixing clamp for clamping a substrate;
the system is provided with two working states, in the first working state, the feeding seat moves to the position where the film supporting plate is opposite to the fixed die, the film supporting plate moves to the position where the film on the surface layer of the film supporting plate abuts against the concave surface on the feeding seat, and the negative pressure mechanism works to adsorb the film onto the concave surface;
under the second operating condition, the film supporting plate resets, and the material loading seat moves the position that the base plate of base plate fixation clamp centre gripping just right the cover half, and the movable mould moves towards the cover half, and the movable mould cooperates with the cover half and bends the base plate and accomplish the tectorial membrane in the mould.
Preferably, the device further comprises a control module, a first driving mechanism, a second driving mechanism and a third driving mechanism;
the first driving mechanism is used for driving the film supporting plate to move, the second driving mechanism is used for driving the feeding seat to move, and the third driving mechanism is used for driving the movable mold to move; the control module is respectively connected with the first driving mechanism, the second driving mechanism and the third driving mechanism and is used for controlling the first driving mechanism, the second driving mechanism and the third driving mechanism to work.
Preferably, a first distance threshold and a second distance threshold are set in the control module; when the film supporting plate is over against the fixed die, the feeding seat is in a first position state; when the substrate clamped by the substrate fixing clamp is opposite to the fixed die, the feeding seat is in a second position state; the control module is used for controlling the first driving mechanism to work according to the position state of the feeding seat, controlling the second driving mechanism to work according to the working state of the film supporting plate and the first distance threshold value, and controlling the third driving mechanism and the negative pressure mechanism to work according to the position state of the feeding seat and the second distance threshold value.
Preferably, the initial state of system operation is: the feeding seat is in a first position state, the film supporting plate is far away from the fixed die, and the movable die is far away from the fixed die; after the system is started, the control module controls the film supporting plate to move to a position where the surface film abuts against the concave surface through the first driving mechanism, the negative pressure mechanism is started to adsorb the film, and the film supporting plate is reset; then, the control module controls the feeding seat to move to a second position state by a first distance threshold through the second driving mechanism, and controls the movable die to move to the fixed die by a second distance threshold through the third driving mechanism to complete bending and film covering of the substrate; the control module then controls the system to revert to the starting state.
Preferably, the device also comprises a plurality of airflow sensors which are arranged on the fixed die and distributed around the concave surface; the control module is used for controlling the first driving mechanism and the second driving mechanism to work according to the detection result of the airflow sensor.
Preferably, the negative pressure mechanism employs a suction pump.
According to the one-step forming system for the inner film coating of the curved panel mould, disclosed by the invention, the automatic feeding of a film is completed through the negative pressure adsorption of the feeding seat and the fixed mould, and the deformation of the substrate and the compounding of the film and the substrate are completed through the matched mould extrusion of the movable mould and the fixed mould. Therefore, the process continuity of in-mold coating, especially in-mold coating of a curved panel, is realized, the time for film feeding and substrate bending deformation is saved, the work efficiency is favorably improved, and the labor and cost consumption are reduced.
Drawings
Fig. 1 is a schematic structural view of an in-mold laminating one-step molding system for a curved panel according to the present invention.
Detailed Description
Referring to fig. 1, the present invention provides a curved panel in-mold laminating one-step forming system, which includes: the device comprises a fixed die 1, a feeding seat 2, a movable die 3, a control module, a first driving mechanism, a second driving mechanism and a third driving mechanism. .
The fixed die 1 is fixedly installed, the feeding seat 2 and the movable die 3 are both movably installed, and the fixed die 1 is located at one end of the moving track of the movable die 3 so that the fixed die 1 and the movable die 3 can be assembled. The moving track of the feeding seat 2 is perpendicular to the moving track of the movable mold 3 and is positioned between the fixed mold 1 and the movable mold 3. One side of the fixed die 1 facing the movable die 3 is provided with a concave surface 11, and a negative pressure cavity 10 is arranged in the concave surface. The concave surface 11 is provided with a negative pressure hole 12 communicated with the negative pressure cavity 10, and the negative pressure cavity 10 is communicated with the negative pressure mechanism 4. Thus, the concave surface 11 can absorb the film through negative pressure in the working state of the negative pressure mechanism 4, so that the preparation of the film is completed. The negative pressure mechanism 4 employs a suction pump.
The film supporting plate 5 is movably mounted on the feeding seat 2, and the moving track of the film supporting plate 5 is perpendicular to the moving track of the feeding seat 2. The film supporting plate 5 is a curved panel matched with the concave surface 11, and the upper end and the lower end of the film supporting plate are respectively provided with a first fixing clamp 6 and a second fixing clamp 7 which are used for clamping films flatly laid on the outer side of the film supporting plate. So, wait to paste the film and overlap and put on film backup pad 5 and fixed through first fixation clamp 6 and second fixation clamp 7, remove the position that corresponds with cover half 1 when film backup pad 5, the film on the most superficial layer supports to lean on the subsides and covers concave surface 11 in film backup pad 5, at this moment, through 4 work of negative pressure mechanism alright adsorb the film on the concave surface, keep away from the concave surface motion through film backup pad 5, alright tear the film from film backup pad 5, accomplish the film material loading of concave surface 11.
In this embodiment, the other end of the loading base 2 is provided with a substrate fixing clip 8 for clamping a substrate so as to clamp the substrate.
This system is equipped with two kinds of operating condition, and under the first operating condition, material loading seat 2 removes the position that film backup pad 5 just right cover half 1, and film backup pad 5 removes the film on its top layer on material loading seat 2 and leans on the position of concave surface 11, and negative pressure mechanism 4 work adsorbs the film on concave surface 11 to accomplish the material loading of film.
Under the second operating condition, the film supporting plate 5 resets, the feeding seat 2 moves to the position where the substrate clamped by the substrate fixing clamp 8 is just opposite to the fixed mold 1, the movable mold 3 moves towards the fixed mold 1, and the movable mold 3 is matched with the fixed mold 1 to bend the substrate and complete in-mold film coating.
In this embodiment, the first driving mechanism is used for driving the film supporting plate 5 to move, the second driving mechanism is used for driving the feeding base 2 to move, and the third driving mechanism is used for driving the movable mold 3 to move. The control module is respectively connected with the first driving mechanism, the second driving mechanism and the third driving mechanism and is used for controlling the first driving mechanism, the second driving mechanism and the third driving mechanism to work.
Specifically, a first distance threshold and a second distance threshold are set in the control module. When the film supporting plate 5 is over against the fixed die 1, the feeding seat 2 is in a first position state. When the substrate clamped by the substrate fixing clamp 8 is just opposite to the fixed die 1, the feeding seat 2 is in a second position state. The control module is used for controlling the first driving mechanism to work according to the position state of the feeding seat 2, controlling the second driving mechanism to work according to the working state of the film supporting plate 5 and the first distance threshold value, and controlling the third driving mechanism and the negative pressure mechanism 4 to work according to the position state of the feeding seat 2 and the second distance threshold value.
This embodiment provides a crooked panel in-mould tectorial membrane one shot forming system, the initial state of work is: the feeding seat 2 is in a first position state, the film supporting plate 5 is far away from the fixed die 1, and the movable die 3 is far away from the fixed die 1. After the system is opened, the control module controls the film supporting plate 5 to move to the surface layer film to abut against the concave surface through the first driving mechanism, the negative pressure mechanism 4 is opened to adsorb the film, and the film supporting plate 5 resets so as to attach the film on the surface layer of the film supporting plate 5 to the concave surface of the fixed film. Then, the control module controls the feeding seat 2 to move to a second position state by a first distance threshold through the second driving mechanism, and controls the movable die 3 to move to the fixed die 1 by a second distance threshold through the third driving mechanism to complete the bending and film covering of the substrate. The control module then controls the system to revert to the starting state.
Specifically, in the present embodiment, a plurality of airflow sensors are provided, each of which is mounted on the fixed mold 1 and distributed around the concave surface 11. The control module is used for controlling the first driving mechanism and the second driving mechanism to work according to the detection result of the airflow sensor. Specifically, when the detection value of each airflow sensor is smaller than a preset airflow threshold value or is directly equal to 0, the success of the concave surface film covering of the fixed film is indicated. At this time, the feeding base 2 can be controlled to be switched to the second position state by the first driving mechanism and the second driving mechanism.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (3)
1. A molding method of a one-step molding system for in-mold laminating of a curved panel is adopted, and the molding system is characterized by comprising the following steps: the device comprises a fixed die (1), a feeding seat (2) and a movable die (3);
the fixed die (1) is fixedly installed, the feeding seat (2) and the movable die (3) are movably installed, and the fixed die (1) is located at one end of the moving track of the movable die (3); the moving track of the feeding seat (2) is vertical to the moving track of the movable mold (3) and is positioned between the fixed mold (1) and the movable mold (3);
one side of the fixed die (1) facing the movable die (3) is provided with a concave surface (11), and a negative pressure cavity (10) is arranged in the concave surface; a negative pressure hole (12) communicated with the negative pressure cavity (10) is arranged on the concave surface (11), and the negative pressure cavity (10) is communicated with a negative pressure mechanism (4);
a film supporting plate (5) is movably arranged on the feeding seat (2), and the moving track of the film supporting plate (5) is vertical to the moving track of the feeding seat (2); the film supporting plate (5) is a curved panel matched with the concave surface (11), and the upper end and the lower end of the film supporting plate are respectively provided with a first fixing clamp (6) and a second fixing clamp (7) which are used for clamping films flatly laid on the outer side of the film supporting plate; the other end of the feeding seat (2) is provided with a substrate fixing clamp (8) for clamping a substrate;
the system is provided with two working states, in the first working state, the feeding seat (2) moves to the position where the film supporting plate (5) is just opposite to the fixed die (1), the film supporting plate (5) moves to the position where the film on the surface layer of the film supporting plate abuts against the concave surface (11) on the feeding seat (2), and the negative pressure mechanism (4) works to adsorb the film onto the concave surface (11);
in a second working state, the film supporting plate (5) is reset, the feeding seat (2) moves to a position where the substrate clamped by the substrate fixing clamp (8) is just opposite to the fixed mold (1), the movable mold (3) moves towards the fixed mold (1), and the movable mold (3) is matched with the fixed mold (1) to bend the substrate and complete in-mold film coating;
the system also comprises a control module, a first driving mechanism, a second driving mechanism and a third driving mechanism;
the first driving mechanism is used for driving the film supporting plate (5) to move, the second driving mechanism is used for driving the feeding seat (2) to move, and the third driving mechanism is used for driving the movable die (3) to move; the control module is respectively connected with the first driving mechanism, the second driving mechanism and the third driving mechanism and is used for controlling the first driving mechanism, the second driving mechanism and the third driving mechanism to work;
a first distance threshold and a second distance threshold are arranged in the control module; when the film supporting plate (5) is over against the fixed die (1), the feeding seat (2) is in a first position state; when the substrate clamped by the substrate fixing clamp (8) is over against the fixed die (1), the feeding seat (2) is in a second position state; the control module is used for controlling the first driving mechanism to work according to the position state of the feeding seat (2), controlling the second driving mechanism to work according to the working state of the film supporting plate (5) and the first distance threshold value, and controlling the third driving mechanism and the negative pressure mechanism (4) to work according to the position state of the feeding seat (2) and the second distance threshold value;
the initial state of the system operation is as follows: the feeding seat (2) is in a first position state, the film supporting plate (5) is far away from the fixed die (1), and the movable die (3) is far away from the fixed die (1); after the system is started, the control module controls the film supporting plate (5) to move to a position where the surface film abuts against the concave surface through the first driving mechanism, the negative pressure mechanism (4) is started to adsorb the film, and the film supporting plate (5) resets; then, the control module controls the feeding seat (2) to move to a second position state by a first distance threshold through the second driving mechanism, and controls the movable die (3) to move to the fixed die (1) by a second distance threshold through the third driving mechanism to complete bending and film covering of the substrate; the control module then controls the system to revert to the starting state.
2. The forming method adopting the one-step forming system for the in-mold laminating of the curved panel as claimed in claim 1, further comprising a plurality of air flow sensors, wherein the air flow sensors are arranged on the fixed mold (1) and distributed around the concave surface (11); the control module is used for controlling the first driving mechanism and the second driving mechanism to work according to the detection result of the airflow sensor.
3. The molding method using the curved panel in-mold laminating one-shot molding system according to claim 1, wherein the negative pressure mechanism (4) uses a suction pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810392242.8A CN108638532B (en) | 2018-04-27 | 2018-04-27 | One-step forming system for in-mold film coating of curved panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810392242.8A CN108638532B (en) | 2018-04-27 | 2018-04-27 | One-step forming system for in-mold film coating of curved panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108638532A CN108638532A (en) | 2018-10-12 |
| CN108638532B true CN108638532B (en) | 2020-07-17 |
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| CN201810392242.8A Active CN108638532B (en) | 2018-04-27 | 2018-04-27 | One-step forming system for in-mold film coating of curved panel |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111516256A (en) * | 2020-05-22 | 2020-08-11 | 滁州兴恒精密工业有限公司 | One-step forming equipment for coating film in bent panel mould |
| CN112936826A (en) * | 2021-02-01 | 2021-06-11 | 昂恩环保科技(上海)有限公司 | Suction and compression composite process in mold |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101913228A (en) * | 2010-07-30 | 2010-12-15 | 四川长虹电器股份有限公司 | In-mould film lamination process for plastic product and forming mould thereof |
| CN107127976A (en) * | 2017-06-02 | 2017-09-05 | 苏州晓炎自动化设备有限公司 | A kind of arc inner surface film covering device |
| CN206665021U (en) * | 2017-03-31 | 2017-11-24 | 东莞智得电子制品有限公司 | A kind of mobile phone screen reading code pad pasting coding all-in-one |
| CN207072459U (en) * | 2017-07-31 | 2018-03-06 | 广州歆讯电子科技有限公司 | A kind of bent screen laminating machine of mobile phone |
-
2018
- 2018-04-27 CN CN201810392242.8A patent/CN108638532B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101913228A (en) * | 2010-07-30 | 2010-12-15 | 四川长虹电器股份有限公司 | In-mould film lamination process for plastic product and forming mould thereof |
| CN206665021U (en) * | 2017-03-31 | 2017-11-24 | 东莞智得电子制品有限公司 | A kind of mobile phone screen reading code pad pasting coding all-in-one |
| CN107127976A (en) * | 2017-06-02 | 2017-09-05 | 苏州晓炎自动化设备有限公司 | A kind of arc inner surface film covering device |
| CN207072459U (en) * | 2017-07-31 | 2018-03-06 | 广州歆讯电子科技有限公司 | A kind of bent screen laminating machine of mobile phone |
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| Publication number | Publication date |
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| CN108638532A (en) | 2018-10-12 |
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Denomination of invention: A one-time forming system for coating film in bending panel mold Effective date of registration: 20211207 Granted publication date: 20200717 Pledgee: Chuzhou Wandong Rural Commercial Bank Co.,Ltd. Pledgor: CHUZHOU CHENRUN INDUSTRY AND TRADE CO.,LTD. Registration number: Y2021980014140 |
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Date of cancellation: 20221115 Granted publication date: 20200717 Pledgee: Chuzhou Wandong Rural Commercial Bank Co.,Ltd. Pledgor: CHUZHOU CHENRUN INDUSTRY AND TRADE CO.,LTD. Registration number: Y2021980014140 |
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Denomination of invention: A one-time forming system for bending panel inner mold lamination Effective date of registration: 20231106 Granted publication date: 20200717 Pledgee: Chuzhou Wandong Rural Commercial Bank Co.,Ltd. Pledgor: CHUZHOU CHENRUN INDUSTRY AND TRADE CO.,LTD. Registration number: Y2023980064335 |