CN215882584U - Cavity type mechanism for attaching decorative film - Google Patents
Cavity type mechanism for attaching decorative film Download PDFInfo
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- CN215882584U CN215882584U CN202122132837.XU CN202122132837U CN215882584U CN 215882584 U CN215882584 U CN 215882584U CN 202122132837 U CN202122132837 U CN 202122132837U CN 215882584 U CN215882584 U CN 215882584U
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- cavity
- attaching
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- mold
- decorative film
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Abstract
The utility model provides a cavity type mechanism for attaching a decorative diaphragm, which comprises a cavity type mold, a heating unit and a vacuum unit, wherein the cavity type mold comprises an upper mold and a lower mold, a lifting platform is arranged in the lower mold, and a fixing piece is arranged on the opening end surface of the lower mold or the upper mold. The heating unit is used for heating the inner cavity of the cavity mold, and the vacuum unit is used for vacuumizing the upper mold and the lower mold. The product is placed on the lifting platform, the decorative membrane is installed at the opening of the lower die through the fixing piece, the upper die and the lower die are separated, and then the vacuum unit is used for vacuumizing, so that the purpose of utilizing the vacuum environment to eliminate air influence is achieved. Then, the heating unit is started to heat the cavity mold, air pressure in the upper mold is changed into positive pressure, the lifting platform moves to enable the product to be in contact with the decorative membrane, the decorative membrane is attached to the surface of the product through pressure difference, high-efficiency and high-quality film pasting is achieved, and the problem that the defective rate is caused due to the fact that bubbles appear in the film pasting is solved.
Description
Technical Field
The utility model relates to the field of mechanical equipment, in particular to a cavity type mechanism for attaching a decorative membrane.
Background
The aesthetic degree of commodity appearance is decorated through decorating the diaphragm generally for the outward appearance on product surface satisfies different crowds' demand, and this technique roughly can divide into rendition technique and attached technique, and then accomplishes the purpose of attaching the decoration on commodity surfaces such as synthetic leather, computer, communication product shell, building material or plastics.
The attaching defective rate of the existing decorative film is high, the main problem is that bubbles appear on the surface of a product easily after the attaching decorative film is attached, and meanwhile, the appearance attractiveness of the product is also influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a cavity type mechanism for attaching a decorative membrane, aiming at solving the problem of high defective rate of the existing decorative membrane attaching equipment.
The utility model is realized by the following steps: a cavity type mechanism for attaching a decorative film, comprising:
the cavity type die comprises an upper die and a lower die matched with the upper die, wherein a lifting platform is arranged in the lower die, and a fixing piece for fixing the decorative diaphragm is arranged on the opening end surface of the lower die or the upper die;
the heating unit is arranged on the cavity mold and is used for heating the inner cavity of the cavity mold; and
and the output end of the vacuum unit is connected with two pipelines in parallel, one pipeline is communicated with the upper die, and the other pipeline is communicated with the lower die.
Preferably, the lifting platform comprises a carrying platform and an air cylinder for driving the carrying platform to move, the air cylinder is arranged on the outer bottom surface of the lower die, and an output shaft of the air cylinder penetrates through the lower die in a sealing manner and is located inside the lower die.
Preferably, a baffle plate which is blocked and abutted against the lifting platform is arranged on the inner side of the opening of the lower die.
Preferably, a placing plate for placing the carrying platform is arranged on an output shaft of the cylinder, and the placing plate is positioned between the baffle plate and the inner bottom surface of the lower die.
Preferably, the carrier is provided with a plurality of vacuum holes.
Preferably, the placing plate is provided with a plurality of exhaust holes.
Preferably, the vacuum unit is further provided with a pressure unit, and a delivery end of the pressure unit is connected to a pipeline connecting the upper die and the vacuum unit.
Preferably, the upper die is provided with a die closing cylinder, and the die closing cylinder drives the upper die and the lower die to be closed or separated.
Preferably, the carrying platform is provided in plurality, and the carrying platforms are arranged on the placing plate at equal intervals.
The utility model has the beneficial effects that:
1. before using, place the product on lift platform earlier, can install the decoration diaphragm in last mould or lower mould opening part through the mounting to after lower mould and last mould compound die, separate last mould and lower mould through decorating the diaphragm, make and go up the mould space and form first sealed chamber, and the lower mould space forms the sealed chamber of second, and then can carry out evacuation respectively through the vacuum unit and handle, realize utilizing the influence that vacuum environment got rid of the air. And when attached decoration diaphragm, heat the inner chamber of chamber type mould through the heating unit and heat up, become the malleation with the atmospheric pressure of first sealed intracavity simultaneously, lift platform removes with product and decoration diaphragm contact, utilizes pressure differential to make the decoration diaphragm attached on the product surface, reaches high-efficient, high-quality pad pasting, avoids because bubble appears in the pad pasting and leads to the problem of defective percentage.
2. Through the setting of lift platform, can provide and decorate the diaphragm at attached top impetus through going up and down to guarantee that the decoration diaphragm can the cladding on the surface of product towards decoration diaphragm one side. In addition, in the heating stage, the decorative film can be separated from the product, so that the surface of the decorative film is uniformly heated, the effect of closely attaching to the product is realized, and the attaching quality is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a cavity type mechanism for attaching a decorative film according to an embodiment of the present invention in a closed state;
FIG. 2 is a schematic structural diagram of a cavity mechanism for attaching a decorative film according to an embodiment of the present invention in an open state;
fig. 3 is a front view of the lifting platform of the cavity mechanism for attaching the decorative film according to the embodiment of the present invention.
Description of reference numerals:
10. a cavity mold;
101. an upper die; 102. a lower die; 103. a lifting platform; 104. a fixing member;
1011. a die closing cylinder; 1021. a baffle plate; 1031. a stage; 1032. a cylinder;
1033. placing the plate; 1034. a vacuum hole; 1035. an exhaust hole;
20. a heating unit;
30. a vacuum unit; 301. a pipeline; 302. a pressure unit.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1, 2 and 3, the present embodiment provides a cavity type mechanism for attaching a decorative film, including a cavity type mold 10, a heating unit 20 and a vacuum unit 30, where the cavity type mold 10 includes an upper mold 101 and a lower mold 102 matched with the upper mold 101, a lifting platform 103 is disposed in the lower mold 102, and a fixing member 104 for installing the decorative film is disposed on an opening end surface of the lower mold 102 or the upper mold 101. The heating unit 20 is disposed on the cavity mold 10, and the heating unit 20 is used for heating the inner cavity of the cavity mold 10. Two pipelines 301 are arranged in parallel at the output end of the vacuum unit 30, one pipeline 301 is communicated with the upper die 101, and the other pipeline 301 is communicated with the lower die 102.
The decorative film is provided with patterns on one side surface and an adhesive layer on the other side surface, and can be made of thermoplastic plastics. Before use, the decorative membrane is installed at the opening of the upper die 101 or the lower die 102 through the fixing part 104, and after the lower die 102 and the upper die 101 are closed, the upper die 101 and the lower die 102 are sealed and separated through the decorative membrane, so that the upper die 101 space forms a first sealed cavity, and the lower die 102 space forms a second sealed cavity.
Specifically, a product is placed on the lifting platform 103, and the decorative film is installed at an opening of the upper die 101 or the lower die 102 through the fixing member 104, so that the upper die 101 and the lower die 102 are sealed and assembled. The fixing member 104 may be a matching structure of a groove and a protrusion, for example, a protrusion is formed on an open end surface of the upper mold 101, a groove is formed on an open end surface of the lower mold 102 in an aligned manner, after the upper mold 101 and the lower mold 102 are closed, the decorative film is fixed, and the inside of the cavity mold 10 is in a sealed state by using a rubber sealing strip.
After the cavity die 10 is closed, the first sealing cavity and the second sealing cavity are vacuumized, the interference of air in the cavity die 10 is eliminated, and the vacuum cavity is heated. After the glue film of decorating the diaphragm is heated to half molten state, mend the atmosphere in first sealed intracavity for first sealed chamber and the sealed chamber of second form pressure differential, drive the product of placing above that through moving platform simultaneously and decorate the diaphragm contact, make the product extrude attachedly with the glue film of decorating the diaphragm, until decorating the diaphragm and being attached on the product completely. The purpose of attaching the thermoplastic plastic film on the surface of the product is achieved, and meanwhile, the attractiveness of the surface of the product is improved through the patterns.
Further, in order to improve the attaching effect, the vacuum chamber is continuously heated while continuously increasing the air pressure of the first sealing chamber to a positive pressure. Can improve attached pressure, the glue film of decorating the diaphragm simultaneously reaches complete molten state, realizes will decorating that the diaphragm is inseparable attached on the product surface, avoids attached not firm problem to take place.
As shown in fig. 1 and fig. 2, in the present embodiment, the lifting platform 103 includes a stage 1031 and an air cylinder 1032 for driving the stage 1031 to move, the air cylinder 1032 is disposed on the outer bottom surface of the lower mold 102, and an output shaft of the air cylinder 1032 penetrates the lower mold 102 in a sealing manner and is located inside the lower mold 102. The product is installed through the carrying platform 1031, the purpose of stable installation of the product is achieved, the problem of deviation when the decorative film is attached is avoided, and the production quality is improved.
In this embodiment, a baffle 1021 blocking and abutting against the lifting platform 103 is disposed inside the opening of the lower mold 102. Can carry on spacingly to the removal stroke of lift platform 103 through baffle 1021, avoid the removal stroke overlength of lift platform 103, and then avoid lift platform 103 to strut the decoration diaphragm, improve the attached quality of decoration diaphragm to play the effect of protection to decorating the diaphragm.
Specifically, in the present embodiment, a placing board 1033 for placing the stage 1031 is provided on the output shaft of the air cylinder 1032, and the placing board 1033 is located between the baffle 1021 and the inner bottom surface of the lower mold 102. The stage 1031 is provided in plural, and the plural stages 1031 are arranged on the placement board 1033 at equal intervals. A plurality of carrying platforms 1031 can be carried through placing board 1033, and contact and resist are carried out through placing board 1033 and baffle 1021, so that carrying platforms 1031 can be abducted, products on the carrying platforms 1031 can be completely contacted with the decoration film in an attaching mode, and attaching effect is guaranteed. Meanwhile, a plurality of products can be attached at one time, and the attaching efficiency is improved.
As shown in fig. 3, the stage 1031 of the present embodiment is provided with a plurality of vacuum holes 1034. Through vacuum hole 1034 on microscope stage 1031, can guarantee that the product is firm placing on microscope stage 1031 under the pressure of positive negative pressure, decorate the diaphragm simultaneously and utilize positive negative pressure to attach on the product for the product is decorated the attached complete display in surface of diaphragm, gets rid of the problem that attached decoration diaphragm takes place the bubble, improves the attached quality of decorating the diaphragm.
As shown in fig. 3, in the present embodiment, a plurality of air outlet holes 1035 are provided in the placement board 1033, and in addition to the air outlet holes 1035 provided in the placement board 1033 at the position where the stage 1031 is placed, a vacuum hole 1034 is provided through the placement board 1033 at the position where the stage 1031 is placed. The vent 1035 located at the edge of the circle can supplement air below the decorative film after the mold is opened, and the excess decorative film cut from the placement board 1033 can be easily taken out through the vent 1035, so that the use convenience is improved.
As shown in fig. 1 and 2, in the present embodiment, the upper mold 101 is provided with a mold clamping cylinder 1011, the mold clamping cylinder 1011 drives the upper mold 101 to mold or separate from the lower mold 102, and the film combining cylinder 1032 may be a dual-axis cylinder 1032. Through the setting of compound die cylinder 1011, only need to install compound die cylinder 1011 fixedly, then can drive through closing membrane cylinder 1032 and go up mould 101 and remove, reach labour saving and time saving's purpose.
The vacuum unit in this embodiment is further provided with a pressure unit 302, and an output end of the pressure unit 302 is connected to a pipeline connecting the upper mold 101 and the vacuum unit 30. The vacuum unit is a vacuum forming machine, the pressure unit 302 can be an air compressor, and an electromagnetic three-way valve can be designed at the position of a pipeline connected with the output end of the pressure unit 302. Specifically, the first sealing cavity and the second sealing cavity are firstly vacuumized through a vacuum forming machine. When attaching the decoration diaphragm, close the pipeline 301 of vacuum unit and first sealed chamber intercommunication through the solenoid valve to open the intercommunication of air compressor machine and first sealed chamber, then mend the air through the air compressor machine to first sealed chamber, and last the pressure boost, the realization will decorate the diaphragm and closely attach the purpose on the product surface. The purpose of accurately controlling the air pressure in the first sealing cavity and the second sealing cavity in the cavity die and improving the quality of the film is achieved.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A cavity type mechanism for attaching a decorative film, comprising:
the cavity type die comprises an upper die and a lower die matched with the upper die, wherein a lifting platform is arranged in the lower die, and a fixing piece for fixing the decorative diaphragm is arranged on the opening end surface of the lower die or the upper die;
the heating unit is arranged on the cavity mold and is used for heating the inner cavity of the cavity mold; and
and the output end of the vacuum unit is connected with two pipelines in parallel, one pipeline is communicated with the upper die, and the other pipeline is communicated with the lower die.
2. The cavity-type mechanism for attaching a decorative film as claimed in claim 1, wherein: the lifting platform comprises a carrying platform and an air cylinder for driving the carrying platform to move, the air cylinder is arranged on the outer bottom surface of the lower die, and an output shaft of the air cylinder penetrates through the lower die in a sealing mode and is located inside the lower die.
3. The cavity-type mechanism for attaching a decorative film as claimed in claim 2, wherein: and a baffle plate which is blocked and abutted against the lifting platform is arranged on the inner side of the opening of the lower die.
4. A cavity type mechanism for attaching a decorative film according to claim 3, wherein: and a placing plate for placing the carrying platform is arranged on an output shaft of the cylinder, and the placing plate is positioned between the baffle plate and the inner bottom surface of the lower die.
5. The cavity-type mechanism for attaching a decorative film as claimed in claim 2, wherein: the carrying platform is provided with a plurality of vacuum holes.
6. The cavity-type mechanism for attaching a decorative film as claimed in claim 4, wherein: the placing plate is provided with a plurality of exhaust holes.
7. The cavity-type mechanism for attaching a decorative film as claimed in claim 1, wherein: the vacuum unit is further provided with a pressure unit, and a conveying end of the pressure unit is connected to a pipeline for connecting the upper die with the vacuum unit.
8. The cavity-type mechanism for attaching a decorative film as claimed in claim 1, wherein: the upper die is provided with a die closing cylinder, and the die closing cylinder drives the upper die and the lower die to be closed or separated.
9. The cavity-type mechanism for attaching a decorative film as claimed in claim 4, wherein: the carrying platforms are arranged in a plurality of numbers, and the carrying platforms are arranged on the placing plate at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122132837.XU CN215882584U (en) | 2021-09-06 | 2021-09-06 | Cavity type mechanism for attaching decorative film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122132837.XU CN215882584U (en) | 2021-09-06 | 2021-09-06 | Cavity type mechanism for attaching decorative film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215882584U true CN215882584U (en) | 2022-02-22 |
Family
ID=80564242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122132837.XU Active CN215882584U (en) | 2021-09-06 | 2021-09-06 | Cavity type mechanism for attaching decorative film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215882584U (en) |
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2021
- 2021-09-06 CN CN202122132837.XU patent/CN215882584U/en active Active
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