PVC decorative film compounding device

Abstract

The utility model discloses a PVC (polyvinyl chloride) decorative film compounding device, which relates to the technical field of PVC decorative film production and comprises an equipment base, two support frames are symmetrically and rotatably mounted at the upper end of the equipment base, two unwinding rollers are rotatably mounted on the two support frames, and an adhesive spraying component is fixedly mounted on the two support frames and between the two unwinding rollers. Two protective parts are symmetrically and fixedly installed on the adhesive spraying assembly, the two unwinding rollers are movably sleeved with the protective parts at the same time, each protective part is composed of a triangular baffle and two connecting plates, the two connecting plates are symmetrically and fixedly installed at the outer end of the triangular baffle, and a protective cleaning part is movably installed on the two protective parts; through the arrangement of the protection part and the protection cleaning part, external dust can be blocked, impurities such as dust and fibers are prevented from being adsorbed to the binding face in the film unwinding and conveying process, and therefore the problems that due to the impurities, adhesive distribution is uneven, local weak adhesion or bubble residues are caused are solved.

Description

Technical Field

[0001] This utility model relates to the field of PVC decorative film production technology, and in particular to a PVC decorative film composite device. Background Technology

[0002] PVC decorative film is a surface decoration material widely used in construction, furniture, automotive interiors, and other fields. It boasts advantages such as rich colors, wear resistance, water and moisture resistance, and easy cleaning. Its production typically employs a lamination process, where a PVC film printed with patterns or textures is bonded to a substrate (such as PVC base film, non-woven fabric, etc.) using adhesives, and then pressed at high temperature to form the finished product. In this process, the cleanliness of the film directly affects the lamination effect and the quality of the final product.

[0003] However, existing lamination devices still have significant problems in practical use. For example, patent application CN202323056274.6 discloses a PVC decorative film lamination device that achieves film lamination through an unwinding roller, an adhesive spraying assembly, and a rolling assembly. However, during the production process, because the film is exposed to the environment during unwinding and transport, its bonding surface easily attracts dust, fibers, or other small impurities. These impurities are trapped between the two film layers during lamination, leading to the following problems: dust particles hinder the uniform distribution of adhesive, forming localized weak bonding areas and reducing the peel strength of the product; impurities may scratch the film or create uneven defects during rolling, affecting the appearance and feel; impurities occupy the bonding interface space, resulting in residual air bubbles after lamination, further reducing the yield rate of the finished product. Therefore, there is an urgent need for a PVC decorative film lamination device that can protect and clean the bonding surface in real time during film unwinding and lamination to ensure the quality of the finished product. Utility Model Content

[0004] The main objective of this invention is to provide a PVC decorative film composite device that can effectively solve the problems in the background art.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A PVC decorative film composite device includes a base with two support frames symmetrically and rotatably mounted on its upper end. Two unwinding rollers are rotatably mounted on the two support frames. An adhesive spraying assembly is fixedly mounted on the two support frames and between the two unwinding rollers. Two protective components are symmetrically and fixedly mounted on the adhesive spraying assembly, and each protective component is movably fitted onto the two unwinding rollers. Each protective component consists of a triangular baffle and a connecting plate. Two connecting plates are symmetrically and fixedly mounted on the outer ends of the triangular baffles. A protective cleaning component is movably mounted on each of the two protective components. The protective cleaning component consists of a shielding base plate, mounting rods, bonding springs, anti-detachment baffles, connecting base plates, and cleaning pads. Four mounting rods are symmetrically and fixedly mounted on the inner ends of the shielding base plate. Four bonding springs are respectively fitted onto the four mounting rods. Four anti-detachment baffles are respectively fixedly mounted on one end of each of the four mounting rods. Two connecting base plates are symmetrically and fixedly mounted on the inner ends of the shielding base plate. Two cleaning pads are respectively fixedly mounted on one end of each of the two connecting base plates.

[0007] Preferably, a roller pressing assembly is fixedly installed on the upper end of the equipment base and on one side of the two support frames.

[0008] Preferably, a film roll is wound on the unwinding roller, and the two protective members are located on both sides of the film roll.

[0009] Preferably, the protective component has two through holes symmetrically formed on the triangular baffle, and an installation hole is formed on the triangular baffle between the two through holes. The triangular baffle is fixedly sleeved on the adhesive spraying assembly, and the triangular baffle is movably sleeved on the unwinding roller through the through hole. The connecting plate has a through hole.

[0010] Preferably, the mounting rod on the protective cleaning component is movably mounted in a perforation opened in the connecting plate, the fitting spring is located on the inner side of the connecting plate, the shielding substrate is located on the outer side of the connecting plate, and the cleaning cotton pad is in contact with the film roll wound on the unwinding roller.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] (1) By setting protective components and protective cleaning components, external dust can be blocked, preventing dust, fibers and other impurities from adsorbing onto the bonding surface during the unwinding and transport of the film, thereby avoiding problems such as uneven adhesive distribution, local weak adhesion or bubble residue caused by impurities, and significantly improving the peel strength and appearance quality of the composite product.

[0013] (2) At the same time, by setting up protective cleaning components, the bonding surface of the film can be cleaned. By using the elastic contact between the cleaning cotton pad and the film roll, the tiny impurities remaining on the bonding surface can be removed in real time, further ensuring the cleanliness of the composite interface, reducing the generation of scratches or uneven defects, and improving the finished product qualification rate and production efficiency. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the structure of this utility model after the protective cleaning components have been removed;

[0016] Figure 3 This is a schematic diagram showing the positional relationship between the protective component and the protective cleaning component of this utility model;

[0017] Figure 4 This is an exploded view of the protective component and the protective cleaning component of this utility model;

[0018] Figure 5 For the present utility model Figure 4 A magnified view of point A.

[0019] In the diagram: 1. Equipment base; 2. Support frame; 3. Unwinding roller; 4. Adhesive spraying assembly; 5. Protective component; 6. Protective cleaning component; 7. Roller pressing assembly; 8. Triangular baffle; 9. Through hole; 10. Mounting hole; 11. Connecting plate; 12. Perforation; 13. Shielding base plate; 14. Mounting rod; 15. Adhesive spring; 16. Anti-detachment baffle; 17. Connecting base plate; 18. Cleaning pad. Detailed Implementation

[0020] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0021] Please see Figures 1-5As shown, a PVC decorative film laminating device includes a base 1. Two support frames 2 are symmetrically and rotatably mounted on the upper end of the base 1. Two unwinding rollers 3 are rotatably mounted on the support frames 2. An adhesive spraying assembly 4 is fixedly mounted on the two support frames 2 and between the two unwinding rollers 3. Two protective components 5 are symmetrically and fixedly mounted on the adhesive spraying assembly 4. The protective components 5 are simultaneously and movably sleeved on the two unwinding rollers 3. Each protective component 5 consists of a triangular baffle 8 and a connecting plate 11. Two connecting plates 11 are symmetrically and fixedly mounted on the triangular baffle 8. At the outer end, a protective cleaning component 6 is movably mounted on each of the two protective components 5. The protective cleaning component 6 consists of a shielding base plate 13, mounting rods 14, contact springs 15, anti-detachment baffles 16, connecting base plate 17, and cleaning cotton pads 18. There are four mounting rods 14, which are symmetrically fixedly mounted on the inner end of the shielding base plate 13. There are four contact springs 15, which are respectively sleeved on the four mounting rods 14. There are four anti-detachment baffles 16, which are respectively fixedly mounted on one end of the four mounting rods 14. There are two connecting base plates 17, which are symmetrically fixedly mounted on the shielding base plate 13. Inside, there are two cleaning pads 18, each fixedly installed at one end of one of the two connecting base plates 17. A roller pressing assembly 7 is fixedly installed on the upper end of the equipment base 1 and on one side of the two support frames 2. During use, the adhesive spraying assembly 4 needs to be connected to the adhesive conveying equipment. The equipment base 1 needs to be fixed to the production line to ensure the support frame 2 is stable. The two unwinding rollers 3 are respectively loaded into the PVC film roll and substrate roll to be laminated. The position of the protective component 5 is adjusted so that its triangular baffle 8 is close to the PVC film roll and substrate roll. Simultaneously, the cleaning pads 18 are in elastic contact with the surfaces of the film roll and substrate roll under the elastic force of the bonding spring 15. After starting the equipment, the PVC film roll and substrate roll are unwound. The adhesive conveying equipment delivers the adhesive to the adhesive spraying assembly 4, and finally sprays it onto the bonding surfaces of the PVC film and substrate through the nozzle on the adhesive spraying assembly 4. At this time, the protective component 5 blocks external dust, and the protective cleaning component 6, while blocking external dust, cleans the bonding surfaces of the PVC film and substrate in real time through the cleaning pads 18. Subsequently, the film and substrate are laminated by the roller pressing assembly 7.

[0022] Specifically, a film roll is wound on the unwinding roller 3, and two protective components 5 are located on both sides of the film roll. Two through holes 9 are symmetrically opened on the triangular baffle 8 of the protective component 5, and a mounting hole 10 is opened on the triangular baffle 8 between the two through holes 9. The triangular baffle 8 is fixedly sleeved on the adhesive spraying assembly 4, and movably sleeved on the unwinding roller 3 through the through holes 9. A through hole 12 is opened on the connecting plate 11, and the mounting rod 14 on the protective cleaning component 6 is movably installed in the through hole 12 opened on the connecting plate 11. The bonding spring 15 is located at... Inside the connecting plate 11, the shielding substrate 13 is located outside the connecting plate 11. The cleaning cotton pad 18 contacts the film roll wound on the unwinding roller 3. Two protective parts 5 with appropriate spacing and a protective cleaning part 6 of appropriate length can be set according to the width of the PVC film and the substrate. The cleaning cotton pad 18 of the protective cleaning part 6 is made of high-density fiber material and is kept under constant pressure by the spring 15 to ensure stable cleaning effect. The diameter of the through hole 9 needs to be larger than the diameter of the unwinding roller 3 to ensure that the unwinding roller 3 can rotate normally to unwind the PVC film and the substrate.

[0023] Ultimately, by setting up protective components 5 and protective cleaning components 6, external dust can be blocked, preventing dust, fibers, and other impurities from adsorbing onto the bonding surface during film unwinding and transport. This avoids problems such as uneven adhesive distribution, localized weak adhesion, or residual bubbles caused by impurities, significantly improving the peel strength and appearance quality of the composite product. At the same time, by setting up protective cleaning components 6, the bonding surface of the film can be cleaned. Utilizing the elastic contact between the cleaning cotton pad 18 and the film roll, tiny impurities remaining on the bonding surface are removed in real time, further ensuring the cleanliness of the composite interface, reducing the occurrence of scratches or unevenness, and improving the finished product qualification rate and production efficiency.

[0024] The above description is merely a preferred embodiment of this utility model and is not intended to limit the scope of this utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A PVC decorative film composite device, comprising a machine base (1), wherein two support frames (2) are symmetrically and rotatably mounted on the upper end of the machine base (1), two unwinding rollers (3) are rotatably mounted on the two support frames (2), and an adhesive spraying assembly (4) is fixedly mounted on the two support frames (2) and between the two unwinding rollers (3), characterized in that: Two protective components (5) are symmetrically fixedly installed on the adhesive spraying assembly (4). The protective components (5) are simultaneously movably sleeved on the two unwinding rollers (3). The protective components (5) are composed of triangular baffles (8) and connecting plates (11). There are two connecting plates (11) which are symmetrically fixedly installed on the outer ends of the triangular baffles (8). A protective cleaning component (6) is movably installed on the two protective components (5). The protective cleaning component (6) consists of a shielding base plate (13), a mounting rod (14), a bonding spring (15), and an anti-detachment baffle (16). The system consists of a connecting base plate (17) and a cleaning pad (18). There are four mounting rods (14) that are symmetrically fixedly installed on the inner end of the shielding base plate (13). There are four fitting springs (15) that are respectively sleeved on the four mounting rods (14). There are four anti-detachment baffles (16) that are respectively fixedly installed on one end of the four mounting rods (14). There are two connecting base plates (17) that are symmetrically fixedly installed on the inner end of the shielding base plate (13). There are two cleaning pads (18) that are respectively fixedly installed on one end of the two connecting base plates (17).

2. The PVC decorative film composite device according to claim 1, characterized in that: A roller pressing assembly (7) is fixedly installed on the upper end of the equipment base (1) and on one side of the two support frames (2).

3. The PVC decorative film composite device according to claim 2, characterized in that: The unwinding roller (3) has a film roll wound up, and the two protective components (5) are located on both sides of the film roll.

4. The PVC decorative film composite device according to claim 3, characterized in that: The protective component (5) has two through holes (9) symmetrically opened on the triangular baffle (8), and an installation hole (10) is opened on the triangular baffle (8) between the two through holes (9). The triangular baffle (8) is fixedly sleeved on the adhesive spraying assembly (4). The triangular baffle (8) is movably sleeved on the unwinding roller (3) through the through hole (9). The connecting plate (11) has a through hole (12).

5. The PVC decorative film composite device according to claim 4, characterized in that: The mounting rod (14) on the protective cleaning component (6) is movably installed in the perforation (12) opened on the connecting plate (11), the fitting spring (15) is located on the inner side of the connecting plate (11), the shielding substrate (13) is located on the outer side of the connecting plate (11), and the cleaning cotton pad (18) is in contact with the film roll wound on the unwinding roller (3).

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