Aluminum-plated CPP (Chlorinated Polypropylene) film with good light transmission and winding drum

Abstract

The utility model belongs to the field of packaging film materials, particularly relates to an aluminum-plated CPP (Chlorinated Polypropylene) film with good light transmission and a winding drum, and provides the following scheme aiming at the problems that the light transmission is poor, light is difficult to provide for the interior of a package, and a large number of aluminum-plated CPP films are wasted as the aluminum-plated CPP film is wound on the winding drum by a circle through glue in the prior art. The utility model discloses an aluminum CPP film, which comprises a film, the film is composed of a transparent base material layer, an aluminum CPP film base layer, an adhesive layer and a heat sealing layer, the transparent base material layer is coated on the top of the aluminum CPP film base layer, the adhesive layer is installed at the bottom of the aluminum CPP film base layer, and the heat sealing layer is installed at the bottom of the adhesive layer. Meanwhile, other materials of the thin film can be conveniently spread, meanwhile, through pressing of the overturning cover plate and positioning of the square positioning strip, the thin film is doubly fixed, and the effect of positioning the head end of the thin film is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging film materials, in particular to an aluminum-plated CPP film with good light transmittance and a winding drum. Background Art

[0002] Aluminum-coated CPP film gives people a feeling of richness and luxury. It can be used to package goods to beautify the goods and improve the grade of the goods. Therefore, it is widely used in printing and lamination. After lamination, it is used in various soft packaging, food packaging, balloons, toys, etc.

[0003] The existing aluminized CPP film still has some shortcomings in the actual use process and in the process of winding by the winding drum:

[0004] 1. When the existing aluminized CPP film is used, it is difficult for light to penetrate the aluminized CPP film, and the light transmittance is poor, making it difficult to provide light inside the package.

[0005] 2. In order to ensure that the aluminized CPP film is wrapped and fixed on the take-up drum, the aluminized CPP film will be wrapped around the take-up drum for one week with glue, which will cause a large amount of aluminized CPP film waste. Utility Model Content

[0006] The utility model aims to solve the shortcomings of the prior art, that is, poor light transmittance, difficulty in providing light to the inside of the package, and the fact that the aluminized CPP film is wrapped around a winding drum with glue for one week, resulting in a large amount of aluminized CPP film being wasted, and an aluminized CPP film with good light transmittance and a winding drum are proposed.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] An aluminum-coated CPP film with good light transmittance and a winding drum. An aluminum-coated CPP film with good light transmittance comprises a film, wherein the film consists of a transparent substrate layer, an aluminum CPP film base layer, an adhesive layer and a heat-sealing layer, and the transparent substrate layer is coated on the top of the aluminum CPP film base layer, the adhesive layer is installed on the bottom of the aluminum CPP film base layer, and the heat-sealing layer is installed on the bottom of the adhesive layer.

[0009] As a further improvement of the above technical solution:

[0010] Used for rolling up aluminum-coated CPP film, located inside an aluminum-coated CPP film with good light transmittance, including a first semi-axis and a second semi-axis, both ends of the first semi-axis and the second semi-axis are provided with through columns, and a connecting structure is provided between the first semi-axis, the second semi-axis and the two through columns; a clamping structure for clamping one end of the film is provided between the first semi-axis and the second semi-axis.

[0011] In a possible design, the connecting structure includes a second T-bar fixedly connected to one side of the bottom of the first semi-shaft, a second T-slot is provided on one side of the bottom of the second semi-shaft, and the second T-bar is slidably connected in the second T-slot, a third T-bar is fixedly connected to both ends of the top side of the first semi-shaft, a third T-slot is provided on both ends of the top side of the second semi-shaft, and the third T-bar is slidably connected in the third T-slot, two first T-slots are provided on the inner sides of both ends of the first semi-shaft and the second semi-shaft, and the outer walls of the two through-columns are fixedly connected to multiple first T-bars, and the first T-bars are correspondingly slidably connected in the first T-slots.

[0012] In a possible design, the clamping structure includes a flip cover plate arranged on the top of the first semi-shaft, and a rotating shaft is provided at both ends of the flip cover plate. Both ends of the flip cover plate are fixedly connected with torsion springs, and the torsion springs are sleeved on the outer wall of the rotating shaft. Both ends of the two torsion springs are fixedly connected to the inner wall of the second semi-shaft, and one end of the two rotating shafts away from each other is fixedly connected to the first semi-shaft, and a matching groove is provided at the top of the second semi-shaft, and one side of the flip cover plate is flipped and matched with the top of the matching groove.

[0013] In a possible design, a square positioning bar is fixedly connected to one side of the first semi-axis, and the square positioning bar is located below the flip cover.

[0014] In a possible design, the two sides of the through-columns that are away from each other are fixedly connected with baffles, and the baffles and the outer walls of the through-columns form grooves, and the two grooves are respectively mounted on the two ends of the first half-shaft and the second half-shaft, and the two sides of the baffles that are away from each other are fixedly connected to the connecting shaft.

[0015] In the present application, the film is respectively composed of a transparent substrate layer, an aluminum CPP film base layer, an adhesive layer and a heat-sealing layer. The transparent substrate layer is located on the upper part of the aluminum CPP film base layer to make the film more light-transmissive. The transparent substrate layer is a resin material, the adhesive layer is between the heat-sealing layer and the aluminum CPP film base layer, the heat-sealing layer is a CPP material, and the film is rolled on the first semi-axis and the second semi-axis. When winding, the flip cover is rotated and lifted, and the head end of the film is glued with glue and glued to the square positioning bar. The first semi-axis and the second semi-axis are respectively connected to the second T-slot and the two third T-slots through the second T-bar and the two third T-bars, respectively, and assembled. The flipping of the flip cover is released, and the torsion of the torsion springs at both ends of the flip cover drives the flip cover to flip, so that the flip cover presses the film to cover the matching groove, and the two through-columns are respectively inserted into the first semi-axis and the second semi-axis along the first T-slot through the four first T-bars. The two connecting shafts are held and rotated to wind the aluminum-plated CPP film on the winding drum.

[0016] In the utility model, the aluminized CPP film and winding drum with good light transmittance, wherein the transparent substrate layer is located on the top of the film, can not only improve the light transmittance of the film, but also make the spreading of other material layers of the mechanism smoother;

[0017] In the utility model, the aluminum-plated CPP film with good light transmittance and the winding drum are turned over by the turning assembly, and the turning over of the turning cover plate can make the turning cover plate turn over and cover the matching groove. The head end of the film can be pressed by the turning cover plate and the matching groove, and the head end of the film can be further fixed by gluing the head end of the film to the square positioning strip, and the head end of the aluminum-plated CPP can also be positioned by gluing to prevent deflection.

[0018] In the utility model, not only the light transmittance of the film surface can be utilized, but also other materials of the film can be spread easily. At the same time, the pressing of the flip cover plate and the positioning of the square positioning strip can not only doubly fix the film, but also have a positioning effect on the head end of the film. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of an aluminum-plated CPP film with good light transmittance and a winding drum proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the three-dimensional structure of an aluminum-plated CPP film with good light transmittance and the first semi-axis of the winding drum proposed by the utility model;

[0021] Figure 3 This is a schematic diagram of the exploded structure of an aluminum-plated CPP film with good light transmittance and the first and second semi-axles of the winding drum proposed by the utility model;

[0022] Figure 4 This is a schematic diagram of a partially exploded structure of an aluminum-plated CPP film with good light transmittance and a reel-up cover plate proposed by the utility model;

[0023] Figure 5 This is a schematic diagram of the structure of an aluminum-plated CPP film with good light transmittance and a winding drum film proposed by the utility model.

[0024] In the figure: 1. film; 2. baffle; 3. connecting shaft; 4. first semi-axis; 5. flip cover; 6. through column; 7. first T-bar; 8. first T-slot; 9. second semi-axis; 10. second T-bar; 11. second T-slot; 12. third T-bar; 13. third T-slot; 14. rotating shaft; 15. torsion spring; 16. matching groove; 17. transparent substrate layer; 18. heat sealing layer; 19. aluminum CPP film base layer; 20. adhesive layer; 21. square positioning strip. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] Example 1

[0027] Reference Figure 1 and Figure 5 , an aluminum-plated CPP film with good light transmittance, comprising a film 1, the film 1 is composed of a transparent substrate layer 17, an aluminum CPP film base layer 19, an adhesive layer 20 and a heat-sealing layer 18, and the transparent substrate layer 17 is coated on the top of the aluminum CPP film base layer 19, the adhesive layer 20 is installed on the bottom of the aluminum CPP film base layer 19, and the heat-sealing layer 18 is installed on the bottom of the adhesive layer 20. The film 1 is respectively composed of the transparent substrate layer 17, the aluminum CPP film base layer 19, the adhesive layer 20 and the heat-sealing layer 18, the transparent substrate layer 17 is located on the upper part of the aluminum CPP film base layer 19, so that the film 1 has better light transmittance, the transparent substrate layer 17 is a resin material, the adhesive layer 20 is between the heat-sealing layer 18 and the aluminum CPP film base layer 19, and the heat-sealing layer 18 is a CPP material.

[0028] Reference Figure 2 and Figure 3 , used for rolling up the aluminized CPP film, located inside an aluminized CPP film with good light transmittance, including a first semi-axis 4 and a second semi-axis 9, both ends of which are provided with through-coils 6, a connecting structure for connecting the first semi-axis 4, the second semi-axis 9 and the two through-coils 6; a clamping structure for clamping one end of the film 1 is provided between the first semi-axis 4 and the second semi-axis 9. The connecting structure can realize splicing between the first semi-axis 4, the second semi-axis 9 and the two through-coils 6, roll up the film 1, and the film 1 can be clamped and fixed by the clamping structure.

[0029] Reference Figure 2 and Figure 3The connection structure includes a second T-shaped bar 10 fixedly connected to one side of the bottom of the first semi-shaft 4, a second T-shaped slot 11 is provided on one side of the bottom of the second semi-shaft 9, and the second T-shaped bar 10 is slidably connected in the second T-shaped slot 11, a third T-shaped bar 12 is fixedly connected to both ends of the top side of the first semi-shaft 4, a third T-shaped slot 13 is provided on both ends of the top side of the second semi-shaft 9, and the third T-shaped bar 12 is slidably connected in the third T-shaped slot 13, two first T-shaped slots 8 are provided on the inner sides of both ends of the first semi-shaft 4 and the second semi-shaft 9, and a plurality of first T-shaped bars 7 are fixedly connected to the outer walls of the two through-columns 6, and the first T-shaped bars 7 are correspondingly slidably connected in the first T-shaped slot 8. The first semi-shaft 4 and the second semi-shaft 9 are slidably connected to the second T-shaped slot 11 and the two third T-shaped slots 13 respectively through the second T-shaped bar 10 and the two third T-shaped bars 12, and assembled, and the two through-columns 6 are respectively inserted into the first semi-shaft 4 and the second semi-shaft 9 along the first T-shaped slot 8 through the four first T-shaped bars 7.

[0030] Reference Figure 2 The clamping structure includes a flip cover plate 5 disposed on the top of the first semi-shaft 4, and a rotating shaft 14 is disposed at both ends of the flip cover plate 5. Torsion springs 15 are fixedly connected to both ends of the flip cover plate 5, and the torsion springs 15 are sleeved on the outer wall of the rotating shaft 14. Both ends of the two torsion springs 15 are fixedly connected to the inner wall of the second semi-shaft 9, and one end of the two rotating shafts 14 that are away from each other is fixedly connected to the first semi-shaft 4. A matching groove 16 is disposed on the top of the second semi-shaft 9, and one side of the flip cover plate 5 is flipped and matched with the top of the matching groove 16. When the flipping of the flip cover plate 5 is released, the torsion force of the torsion springs 15 at both ends of the flip cover plate 5 drives the flip cover plate 5 to flip, so that the flip cover plate 5 presses the film 1 to cover the matching groove 16.

[0031] The present application can be used in the field of packaging film materials, and can also be used in other fields applicable to the present application.

[0032] Example 2

[0033] refer to Figure 4 , based on the first embodiment, the improvement: the winding drum is applied to the field of packaging film materials, one side of the first semi-axis 4 is fixedly connected with a square positioning bar 21, and the square positioning bar 21 is located below the flip cover 5. The square positioning bar 21 can be adhered to the head end of the film 1 and play a positioning effect on the film 1.

[0034] refer to Figure 2 and Figure 3The two through-columns 6 are fixedly connected to the baffles 2 on the sides away from each other, and the baffles 2 and the outer walls of the through-columns 6 form a groove, and the two grooves are respectively sleeved at the two ends of the first semi-shaft 4 and the second semi-shaft 9, and the two baffles 2 are fixedly connected to the connecting shaft 3 on the sides away from each other. The two through-columns 6 can be inserted into the two ends of the first semi-shaft 4 and the second semi-shaft 9, and the two baffles 2 are engaged with the outer walls of the first semi-shaft 4 and the second semi-shaft 9, which can not only limit and fix the first semi-shaft 4 and the second semi-shaft 9, but also play a certain limiting role when the film is wound.

[0035] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An aluminum-plated CPP film with good light transmittance, comprising a film (1), characterized in that: The film (1) is composed of a transparent substrate layer (17), an aluminum CPP film base layer (19), an adhesive layer (20) and a heat-sealing layer (18), wherein the transparent substrate layer (17) is coated on the top of the aluminum CPP film base layer (19), the adhesive layer (20) is installed on the bottom of the aluminum CPP film base layer (19), and the heat-sealing layer (18) is installed on the bottom of the adhesive layer (20).

2. A winding drum, used for winding the aluminized CPP film, located inside the aluminized CPP film with good light transmittance according to claim 1, characterized in that: It comprises a first semi-shaft (4) and a second semi-shaft (9), both ends of the first semi-shaft (4) and the second semi-shaft (9) are provided with a through-column (6), and a connecting structure is formed between the first semi-shaft (4), the second semi-shaft (9) and the two through-columns (6); A clamping structure for clamping one end of the film (1) is provided between the first semi-shaft (4) and the second semi-shaft (9).

3. The winding drum according to claim 2, characterized in that: The connection structure comprises a second T-shaped bar (10) fixedly connected to one side of the bottom of the first semi-shaft (4); a second T-shaped slot (11) is provided on one side of the bottom of the second semi-shaft (9), and the second T-shaped bar (10) is slidably connected in the second T-shaped slot (11); both ends of the top of the first semi-shaft (4) are fixedly connected to third T-shaped bars (12); both ends of the top of the second semi-shaft (9) are provided with third T-shaped slots (13), and the third T-shaped bar (12) is slidably connected in the third T-shaped slot (13); two first T-shaped slots (8) are provided on the inner sides of both ends of the first semi-shaft (4) and the second semi-shaft (9); and the outer walls of the two through-columns (6) are fixedly connected to a plurality of first T-shaped bars (7), and the first T-shaped bars (7) are correspondingly slidably connected in the first T-shaped slots (8).

4. The take-up drum according to claim 2, characterized in that: The clamping structure comprises a flip cover plate (5) arranged on the top of the first semi-shaft (4), both ends of the flip cover plate (5) are provided with a rotating shaft (14), both ends of the flip cover plate (5) are fixedly connected with a torsion spring (15), and the torsion spring (15) is sleeved on the outer wall of the rotating shaft (14), both ends of the two torsion springs (15) are fixedly connected to the inner wall of the first semi-shaft (4), and one end of the two rotating shafts (14) away from each other is fixedly connected to the first semi-shaft (4), the top of the second semi-shaft (9) is provided with a matching groove (16), and one side of the flip cover plate (5) is flipped and matched with the top of the matching groove (16).

5. The winding drum according to claim 2, characterized in that: A square positioning strip (21) is fixedly connected to one side of the first semi-axis (4), and the square positioning strip (21) is located below the flip cover plate (5).

6. The take-up drum according to claim 2, characterized in that: The two through-columns (6) are fixedly connected to a baffle plate (2) on the sides away from each other, and the baffle plate (2) and the outer wall of the through-column (6) form a groove, and the two grooves are respectively sleeved on the two ends of the first half shaft (4) and the second half shaft (9), and the two baffle plates (2) are fixedly connected to the connecting shaft (3) on the sides away from each other.

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