Decoration process and decoration device for attaching decoration adhesive film
阅读说明：本技术 一种用于贴附装潢胶膜的装饰工艺及装饰装置 (Decoration process and decoration device for attaching decoration adhesive film ) 是由 陈强生 于 2020-04-20 设计创作，主要内容包括：本发明公开了一种用于贴附装潢胶膜的装饰工艺,包含以下步骤：步骤(1)：对素材待装饰表面进行增能预处理；步骤(2)：将素材固定在可密闭的空间内；步骤(3)：通过装潢胶膜展开固定,为素材创造封闭空间,并对装潢胶膜进行预热烘烤；步骤(4)：抽出封闭空间内的气体,通过内外压力差将装潢胶膜贴附在素材待装饰表面；步骤(5)：后处理,裁剪素材表面多余的装潢胶膜。采用上述技术方案的有益效果是：将普通的装潢胶膜应用真空吸塑技术进行贴附,有力推动了模外装饰真空吸塑技术的发展和普及,具有重要的商业价值。(The invention discloses a decoration process for attaching a decoration adhesive film, which comprises the following steps: step (1): carrying out energy increasing pretreatment on the surface to be decorated of the material; step (2): fixing the material in a sealable space; and (3): unfolding and fixing the decoration glue film to create a closed space for the material, and preheating and baking the decoration glue film; and (4): pumping out the gas in the closed space, and attaching the decoration adhesive film to the surface to be decorated of the material through the internal and external pressure difference; and (5): and (4) post-processing, and cutting the redundant decorative adhesive film on the surface of the material. The beneficial effect of adopting above-mentioned technical scheme is: the common decoration adhesive film is attached by applying a vacuum plastic suction technology, the development and popularization of the vacuum plastic suction technology of the out-mold decoration are powerfully promoted, and the vacuum plastic suction adhesive film has important commercial value.)
1. A decoration process for attaching a decoration adhesive film is characterized by comprising the following steps:
step (1): carrying out energy increasing pretreatment on the surface to be decorated of a material, wherein the material is a pasted object;
step (2): fixing the material in a sealable space;
and (3): unfolding and fixing the decoration glue film at an opening of the sealable space, creating a closed space for the material, and preheating and baking the decoration glue film;
and (4): pumping out the gas in the closed space, moving the material and the decoration adhesive film close to each other until the material and the decoration adhesive film are contacted with each other, and attaching the decoration adhesive film to the surface to be decorated of the material under the pressure of the internal and external pressure difference;
and (5): and (4) post-processing, cutting the redundant decoration adhesive film on the surface of the material, and finishing decoration.
2. The decoration process for attaching a decoration adhesive film according to claim 1, wherein the decoration adhesive film is a pressure sensitive adhesive film, the pressure sensitive adhesive film comprises a protective film, a substrate and an adhesive, the substrate is divided into a decoration surface and a back surface, the decoration surface is provided with a decoration pattern and is protected by the protective film, the back surface is uniformly coated with the adhesive, and the adhesive is a pressure sensitive adhesive.
3. The decoration process for attaching a decoration adhesive film according to claim 2, wherein the material energization preprocessing manner in the step (1) comprises: and carrying out corona treatment on the material to change the electron distribution on the surface of the material so as to improve the surface adhesive force of the material.
4. The decoration process for attaching a decoration adhesive film according to claim 2, wherein the material energization preprocessing manner in the step (1) further comprises: and spraying a bridging agent or an adhesion promoter on the surface to be decorated of the material so as to increase the self viscosity of the outer surface of the material.
5. The decoration process for affixing a decorative adhesive film according to any one of claims 3 to 4, wherein the post-treatment in step (5) further comprises: and (3) implementing viscosity reinforcement and baking reinforcement on the cut decoration finished product material, and removing residual water or gas between the decoration glue film and the material to promote the flowing and infiltration of the glue and realize uniform bonding.
6. The utility model provides a decorate device for attaching decoration glued membrane which characterized in that includes:
the film attaching device is a hollow cavity which can be opened and closed and is used for fixing, preheating and attaching the decoration adhesive film and creating a vacuum environment for attaching the decoration adhesive film;
the bearing device is arranged in the cavity of the film attaching device, and is provided with a bearing platform with a telescopic structure, and the bearing platform is used for bearing and fixing the material and driving the material to be in contact with the decoration adhesive film through telescopic action;
and the post-processing device is arranged at the next process of the film attaching device and the bearing device and used for receiving the material attached with the decoration adhesive film and performing post-processing, and comprises a cutting device which cuts redundant decoration adhesive films according to the surface contour to be decorated of the material.
7. The decoration device according to claim 6, wherein the film attaching device comprises an upper cavity, a lower cavity, a heating unit, an air extracting element and an air supplying and exhausting element, the upper cavity and the lower cavity are pressed together or separated along the vertical direction, the upper surface and the side surface of the lower cavity are respectively provided with an opening and an air outlet, the lower surface of the upper cavity, which is connected with the lower cavity, is provided with the same opening, the side surface of the upper cavity is provided with an air exchanging port, the heating unit is arranged on the upper cavity, the decoration film is laid on the upper surface of the lower cavity and completely covers the opening of the upper surface, and the air extracting element and the air supplying and exhausting element are respectively arranged on the air outlet of the lower cavity and the air exchanging port of the upper cavity.
8. The decoration device according to claim 7, wherein the carrier comprises a lifting bracket, a platform and a material fixing unit, the bottom of the lifting bracket is fixedly connected to the bottom surface inside the lower cavity, the lower surface of the platform is fixedly connected to the top of the lifting bracket, the upper surface of the platform is fixedly supported by the material fixing unit, the material is fixed to the material fixing unit in a direction toward the decoration adhesive film from the surface to be decorated, when the lifting bracket descends to the lowest position, the highest point of the material is lower than the upper surface of the lower cavity, and when the lifting bracket ascends to the highest position, the lowest point of the material is not lower than the upper surface of the lower cavity.
9. The decoration device for attaching a decoration glue film according to claim 8, wherein the post-processing device further comprises a viscosity reinforcing device, the viscosity reinforcing device comprises a viscosity detector, a glue filling needle, a communication module and a control unit, when the viscosity detector detects that the edge of the decoration glue film is abnormal in attachment with the material, an abnormal signal is transmitted to the control unit, and the control unit issues a glue filling instruction to the glue filling needle according to the received abnormal signal.
10. The finishing device of claim 9, wherein the post-processing device further comprises a baking device, the baking device comprises an independent hollow cavity, a heater installed inside the cavity, and a temperature control system installed outside the cavity for enhancing the adhesion between the finishing adhesive film and the material.
Technical Field
The invention relates to the technical field of decoration adhesive film decoration, in particular to a decoration process and a decoration device for attaching a decoration adhesive film.
Background
The vacuum plastic suction technology for the external mould decoration is to put the injection moulded product into the transfer printing tool, then the product and the decoration film are heated, moulded and pressurized in vacuum environment to finish the decoration of the product, different from the internal mould decoration which needs to be processed in the injection moulding process, the external mould decoration can reduce the bad influence caused by high melt glue temperature, high mould temperature, high moulding pressure and high injection speed in the injection moulding process, and can obviously improve the yield and increase the application area, meanwhile, the external mould decoration can not generate waste water or waste gas in the manufacturing process, therefore, the external mould decoration technology also has the characteristics of environmental protection, rapidness and the like.
In the practical application process, the exterior mold decoration has many advantages, but the disadvantages are obvious, the most prominent point is to rely too much on the expensive hot melt adhesive film, so that the exterior mold decoration vacuum plastic sucking technology is environment-friendly and efficient, but the cost of the used hot melt adhesive film is too high, so that manufacturers of other common products are forbidden, the actual use range of the exterior mold decoration is difficult to expand all the time, the cheap common decoration adhesive film is usually attached manually, the production efficiency is difficult to improve, and the application range is limited to the relatively simple injection molding product.
Therefore, there is a need in the art for a decoration adhesive film decoration process and device that is economical, practical, environmentally friendly and efficient, and can be widely applied to various structural products.
Disclosure of Invention
In order to solve the technical problems, the invention provides a decorative adhesive film decoration process which is economical, practical, environment-friendly and efficient and can be widely applied to various structural products by changing the decoration process and adjusting the rear end technology, breaking through the dependence of the traditional vacuum plastic suction technology for the external mold decoration on a special film material, and attaching the common decorative adhesive film (such as a pressure-sensitive series decorative film material) with low price by using the vacuum plastic suction technology for the external mold decoration.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a decoration process for attaching a decoration adhesive film comprises the following steps: step (1): carrying out energy increasing pretreatment on the surface to be decorated of a material, wherein the material is a pasted object; step (2): fixing the material in a sealable space; and (3): unfolding and fixing the decoration glue film at an opening of the sealable space, creating a closed space for the material, and preheating and baking the decoration glue film; and (4): pumping out the gas in the closed space, moving the material and the decoration adhesive film close to each other until the material and the decoration adhesive film are contacted with each other, and attaching the decoration adhesive film to the surface to be decorated of the material under the pressure of the internal and external pressure difference; and (5): and (4) post-processing, cutting the redundant decoration adhesive film on the surface of the material, and finishing decoration.
The beneficial effect of adopting above-mentioned technical scheme is: by increasing the surface energy of the material, the material surface bonding property can be effectively improved, and the possible viscosity decline of the viscose in the high-temperature baking process is compensated, so that the condition of infirm bonding is avoided; in addition, after the decoration glue film is fixed, before vacuum forming is carried out, the technological process of preheating and baking from the glue-free side of the decoration glue film is increased, so that the drying of the glue surface of the decoration glue film is ensured, meanwhile, the flowability of the viscose can be enhanced through preheating and baking, and the uniformity of subsequent glue film lamination is facilitated to be promoted.
As a further improvement of the invention, the decorative adhesive film is a pressure-sensitive adhesive film, the pressure-sensitive adhesive film comprises a protective film, a base material and an adhesive, the base material is divided into a decorative surface and a back surface, the decorative surface is provided with decorative patterns and is protected by the protective film, and the back surface is uniformly coated with the adhesive which is a pressure-sensitive adhesive.
The beneficial effect of adopting above-mentioned technical scheme is: the pressure-sensitive adhesive film is selected as the decoration adhesive film, so that the cost is greatly reduced compared with a special adhesive film-hot melt adhesive film for mold external decoration in the traditional process, and the cost is only 1/4 of the latter, so that the economic value is considerable; in addition, compared with a hot melt adhesive film, the pressure sensitive adhesive system has the advantages that the decorative film is rich in types and various in color, and decorative patterns have more choices so as to meet different aesthetic requirements.
As a further improvement of the present invention, the material energization preprocessing method in step (1) includes: and carrying out corona treatment on the material to change the electron distribution on the surface of the material so as to improve the surface adhesive force of the material.
The beneficial effect of adopting above-mentioned technical scheme is: the surface of the material is subjected to energy increasing pretreatment in a corona treatment mode, so that the adhesive force on the surface of the material is remarkably improved, the material cost is not increased, and the material is economical and practical.
As a further improvement of the present invention, the material energization preprocessing method in step (1) further includes: and spraying a bridging agent or an adhesion promoter on the surface to be decorated of the material so as to increase the self viscosity of the outer surface of the material.
The beneficial effect of adopting above-mentioned technical scheme is: the surface of the material adopts surface energizing modes such as spraying adhesion promoter and the like, has instant effect, obviously increases the self viscosity of the surface, and is simple and convenient to operate.
As a further improvement of the present invention, the post-treatment in step (5) further comprises: and (3) implementing viscosity reinforcement and baking reinforcement on the cut decoration finished product material, and removing residual water or gas between the decoration glue film and the material to promote the flowing and infiltration of the glue and realize uniform bonding.
The beneficial effect of adopting above-mentioned technical scheme is: increase the stickness reinforcement and toast the reinforcement in the aftertreatment process, it is stable to decorate the quality, helps promoting the yields, when promoting product market competition, also is the average single product decoration cost of indirect reduction.
A decoration device for attaching a decoration adhesive film, comprising: the film attaching device is a hollow cavity which can be opened and closed and is used for fixing, preheating and attaching the decoration adhesive film and creating a vacuum environment for attaching the decoration adhesive film; the bearing device is arranged in the cavity of the film attaching device, and is provided with a bearing platform with a telescopic structure, and the bearing platform is used for bearing and fixing the material and driving the material to be in contact with the decoration adhesive film through telescopic action; and the post-processing device is arranged at the next process of the film attaching device and the bearing device and used for receiving the material attached with the decoration adhesive film and performing post-processing, and comprises a cutting device which cuts redundant decoration adhesive films according to the surface contour to be decorated of the material.
The beneficial effect of adopting above-mentioned technical scheme is: the decoration device can meet the decoration process requirements of decorating materials with common decoration glue films, can finish the procedures of fixing, preheating, vacuumizing and attaching in the film attaching device, has high integration degree, simple procedures, high decoration efficiency and lower cost, has outstanding competitive advantages in the market and has very wide application prospect compared with the prior art.
As a further improvement of the present invention, the film attaching device includes an upper half cavity, a lower half cavity, a heating unit, an air extracting element and an air supplying and exhausting element, the upper half cavity and the lower half cavity are pressed or separated in an up-down direction, an opening and an air outlet are respectively provided on an upper surface and a side surface of the lower half cavity, a same opening is provided on a lower surface of the upper half cavity connected to the lower half cavity, and a ventilation port is provided on the side surface, the heating unit is provided on the upper half cavity, the decorative adhesive film is laid on the upper surface of the lower half cavity and completely covers the opening on the upper surface, and the air extracting element and the air supplying and exhausting element are respectively installed on the air outlet of the lower half cavity and the ventilation port of the upper half cavity.
The beneficial effect of adopting above-mentioned technical scheme is: the film attaching device is arranged through the half cavity, two airtight spaces are formed when the problem of fixing the decoration adhesive film is solved, one side of the adhesive surface of the decoration adhesive film is respectively convenient to extract vacuum, the other side of the adhesive surface of the decoration adhesive film provides an airtight baking environment, the high efficiency and the energy conservation are achieved, pressure adjustment is achieved through air supply and exhaust, the time for achieving the preset pressure difference between the two sides of the decoration adhesive film can be effectively shortened, the time cost for decorating materials is reduced, and the foundation is laid for improving the mass production speed.
As a further improvement of the present invention, the bearing device includes a lifting bracket, a platform and a material fixing unit, the bottom of the lifting bracket is fixedly connected to the bottom surface inside the lower half cavity, the lower surface of the platform is fixedly connected to the top of the lifting bracket, the upper surface of the platform bears and fixes the material fixing unit, the material is fixed on the material fixing unit in a direction in which the surface to be decorated faces the decoration adhesive film, when the lifting bracket descends to the lowest position, the highest point of the material is lower than the upper surface of the lower half cavity, and when the lifting bracket ascends to the highest position, the lowest point of the material is not lower than the upper surface of the lower half cavity.
The beneficial effect of adopting above-mentioned technical scheme is: the bearing device is arranged in the film attaching device and can lift, the limitation on the lifting range is helpful for ensuring that the material is completely separated from the decoration adhesive film in the film attaching device before the attachment condition is met, and the lowest point of the material is also in the attachable range of the decoration adhesive film after the attachment condition is met.
As a further improvement of the invention, the post-processing device further comprises a viscosity reinforcing device, the viscosity reinforcing device comprises a viscosity detector, a glue filling needle, a communication module and a control unit, when the viscosity detector detects that the edge of the decoration glue film is abnormally attached to the material, an abnormal signal is transmitted to the control unit, and the control unit issues a glue filling instruction to the glue filling needle according to the received abnormal signal.
The beneficial effect of adopting above-mentioned technical scheme is: introduce stickness detector and the control unit in stickness reinforcement device, can whether firm by the attached quality of automated inspection decoration glued membrane at the material surface of waiting to decorate to can see control to mend to glue and carry out the stickness reinforcement to attached bad department according to detecting, whole journey realizes detecting to mend and glues the automation, reduces artifical configuration, effectively reduces the cost of labor.
As a further improvement of the present invention, the post-processing apparatus further comprises a baking device, wherein the baking device comprises an independent cavity with a hollow interior, a heater installed inside the cavity, and a temperature control system installed outside the cavity, so as to enhance the adhesion between the decoration adhesive film and the material.
The beneficial effect of adopting above-mentioned technical scheme is: add the baking equipment that joins in marriage among the aftertreatment device, carry out the secondary to residual moisture and gas between decoration glued membrane and the material and clear away, toast simultaneously and help promoting the mobility of viscose, impel the viscose flows and permeates the shared region of residual moisture and gas, effectively strengthens the homogeneity and the attached firmness that the viscose distributes.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a
Fig. 2 is a
Fig. 3 is a schematic
FIG. 4 is a schematic view of the structure of the decoration device of the
FIG. 5 is a schematic view of a cutting device of the decoration device of the present invention.
FIG. 6 is a schematic view of an adhesive reinforcing device of the decoration device of the present invention.
FIG. 7 is a schematic view of a baking apparatus of the decoration device of the present invention.
The corresponding part names indicated by the numbers in the figures are as follows:
Detailed Description
In order to facilitate an understanding of the invention, the invention will be described more fully and in detail below with reference to the accompanying drawings and preferred embodiments, but the scope of the invention is not limited to the specific embodiments below. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In order to realize the purpose of the invention, the technical scheme provided by the invention is as follows:
as shown in fig. 1, a decoration process for attaching a decoration adhesive film includes the following steps: step (1): carrying out energy increasing pretreatment on the surface to be decorated of the material, wherein the material is a pasted object; step (2): fixing the material in a sealable space; and (3): unfolding the decoration glue film and fixing the decoration glue film at an opening of a sealable space to create a closed space for the material, and preheating and baking the decoration glue film; and (4): pumping out the gas in the closed space, moving the material and the decoration adhesive film until the material and the decoration adhesive film are contacted with each other, and attaching the decoration adhesive film to the surface of the material to be decorated under the pressure of the internal and external pressure difference; and (5): and (5) post-processing, cutting the redundant decoration adhesive film on the surface of the material, and finishing decoration.
The beneficial effect of adopting above-mentioned technical scheme is: by increasing the surface energy of the material, the material surface bonding property can be effectively improved, and the possible viscosity decline of the viscose in the high-temperature baking process is compensated, so that the condition of infirm bonding is avoided; in addition, after the decoration glue film is fixed, before vacuum forming is carried out, the technological process of preheating and baking from the glue-free side of the decoration glue film is increased, so that the drying of the glue surface of the decoration glue film is ensured, meanwhile, the flowability of the viscose can be enhanced through preheating and baking, and the uniformity of subsequent glue film lamination is facilitated to be promoted.
In another embodiment of the present invention, the decorative adhesive film is a pressure-sensitive adhesive film, the pressure-sensitive adhesive film includes a protective film, a substrate and an adhesive, the substrate is divided into a decorative surface and a back surface, the decorative surface is provided with a decorative pattern and is protected by the protective film, the back surface is uniformly coated with the adhesive, and the adhesive is a pressure-sensitive adhesive.
The beneficial effect of adopting above-mentioned technical scheme is: the pressure-sensitive adhesive film is selected as the decoration adhesive film, so that the cost is greatly reduced compared with a special adhesive film-hot melt adhesive film for mold external decoration in the traditional process, and the cost is only 1/4 of the latter, so that the economic value is considerable; in addition, compared with a hot melt adhesive film, the pressure sensitive adhesive system has the advantages that the decorative film is rich in types and various in color, and decorative patterns have more choices so as to meet different aesthetic requirements.
In other embodiments of the present invention, as shown in fig. 1, the material energization preprocessing mode in step (1) includes: the material is subjected to corona treatment, and the electron distribution on the surface of the material is changed, so that the surface adhesive force of the material is improved.
The beneficial effect of adopting above-mentioned technical scheme is: the surface of the material is subjected to energy increasing pretreatment in a corona treatment mode, so that the adhesive force on the surface of the material is remarkably improved, the material cost is not increased, and the material is economical and practical.
In other embodiments of the present invention, as shown in fig. 2, the material energization preprocessing mode in step (1) further includes: and spraying a bridging agent or an adhesion promoter on the surface to be decorated of the material to increase the self viscosity of the outer surface of the material.
The beneficial effect of adopting above-mentioned technical scheme is: the surface of the material adopts surface energizing modes such as spraying adhesion promoter and the like, has instant effect, obviously increases the self viscosity of the surface, and is simple and convenient to operate.
In other embodiments of the present invention, as shown in fig. 1-2, the post-processing in step (5) further comprises: and (3) implementing viscosity reinforcement and baking reinforcement on the cut decoration finished product material, and removing residual water or gas between the decoration glue film and the material to promote the glue to flow and penetrate and the bonding is uniform.
The beneficial effect of adopting above-mentioned technical scheme is: increase the stickness reinforcement and toast the reinforcement in the aftertreatment process, it is stable to decorate the quality, helps promoting the yields, when promoting product market competition, also is the average single product decoration cost of indirect reduction.
As shown in fig. 3 to 5, a decorating device for attaching a decorating adhesive film includes: the
The beneficial effect of adopting above-mentioned technical scheme is: the decoration device can meet the decoration process requirements of decorating materials with common decoration glue films, can finish the procedures of fixing, preheating, vacuumizing and attaching in the film attaching device, has high integration degree, simple procedures, high decoration efficiency and lower cost, has outstanding competitive advantages in the market and has very wide application prospect compared with the prior art.
In another embodiment of the present invention, as shown in fig. 3, the
The beneficial effect of adopting above-mentioned technical scheme is: the film attaching device is arranged through the half cavity, two airtight spaces are formed when the problem of fixing the decoration adhesive film is solved, one side of the adhesive surface of the decoration adhesive film is respectively convenient to extract vacuum, the other side of the adhesive surface of the decoration adhesive film provides an airtight baking environment, the high efficiency and the energy conservation are achieved, pressure adjustment is achieved through air supply and exhaust, the time for achieving the preset pressure difference between the two sides of the decoration adhesive film can be effectively shortened, the time cost for decorating materials is reduced, and the foundation is laid for improving the mass production speed.
In other embodiments of the present invention, as also shown in fig. 3, the
The beneficial effect of adopting above-mentioned technical scheme is: the bearing device is arranged in the film attaching device and can lift, the limitation on the lifting range is helpful for ensuring that the material is completely separated from the decoration adhesive film in the film attaching device before the attachment condition is met, and the lowest point of the material is also in the attachable range of the decoration adhesive film after the attachment condition is met.
In other embodiments of the present invention, as shown in fig. 6, the post-processing apparatus 3 further includes an
The beneficial effect of adopting above-mentioned technical scheme is: introduce stickness detector and the control unit in stickness reinforcement device, can whether firm by the attached quality of automated inspection decoration glued membrane at the material surface of waiting to decorate to can see control to mend to glue and carry out the stickness reinforcement to attached bad department according to detecting, whole journey realizes detecting to mend and glues the automation, reduces artifical configuration, effectively reduces the cost of labor.
In another embodiment of the present invention, as shown in fig. 7, the post-processing apparatus 3 further includes a baking apparatus 33, the baking apparatus 33 includes a hollow independent cavity 331, a heater 332 installed inside the cavity, and a temperature control system 333 installed outside the cavity for enhancing the adhesion between the decorative
The beneficial effect of adopting above-mentioned technical scheme is: add the baking equipment that joins in marriage among the aftertreatment device, carry out the secondary to residual moisture and gas between decoration glued membrane and the material and clear away, toast simultaneously and help promoting the mobility of viscose, impel the viscose to flow and permeate the shared region of residual moisture and gas, effectively strengthen the homogeneity and the attached firmness of viscose distribution.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the present invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the scope of the present invention.
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