Laser transfer film

Abstract

The utility model discloses a laser transfer film which comprises a base layer, an adhesive layer is fixedly arranged on the lower surface of the base layer, an annular groove is formed in the side face of the base layer, a metal positioning frame is arranged in the annular groove, and a plurality of transverse grooves are formed in the base layer. A first vertical through hole is downwards formed in the local position of each transverse groove, the adhesive layer is provided with a second vertical through hole aligned to each first vertical through hole, a metal positioning strip is arranged in each transverse groove in an embedded mode, each metal positioning strip is fixedly provided with a positioning contact pin aligned to the corresponding first vertical through hole, and the positioning contact pins are inserted into the second vertical through holes. The lower end of the positioning contact pin sequentially penetrates through the aligned first vertical through hole and second vertical through hole, a bending limiting part is arranged on the lower port section, exposed out of the second vertical through hole, of the lower end of the positioning contact pin, and the bending limiting part is sleeved with a silica gel elastic sleeve. According to the technical scheme, the structure design is reasonable, connection with cloth is reliable, cracking or falling is not prone to occurring, the service life is long, and practicability is good.

Description

Technical Field

[0001] The utility model relates to the technical field of laser transfer films, and particularly relates to a laser transfer film. Background Art

[0002] Laser transfer films, laser packaging materials are various packaging and decoration materials produced by laser holography technology, commonly known as laser materials.

[0003] There are still deficiencies in the structure of the existing laser transfer films: when the existing laser transfer films are connected to other materials, they are generally bonded and fixed through an adhesive layer. However, when bonded to fabrics, due to insufficient adhesive force, cracking, peeling and other situations are likely to occur, resulting in a short service life and poor practicability of the laser transfer films. Summary of the Utility Model

[0004] Aiming at the deficiencies of the existing technology, the purpose of the utility model is to provide a laser transfer film with reasonable structural design, reliable connection with fabrics, not easy to crack or peel off, long service life and good practicability.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: A laser transfer film, including a base layer, an adhesive layer is fixedly arranged on the lower surface of the base layer, an annular groove is arranged on the side surface of the base layer, a metal positioning frame is arranged in the annular groove, several transverse grooves are arranged in the base layer, a first vertical through hole is arranged downward at a partial position of each transverse groove, a second vertical through hole is arranged in the adhesive layer corresponding to each first vertical through hole, a metal positioning strip is embedded in each transverse groove, a positioning pin is fixedly arranged on each metal positioning strip corresponding to the first vertical through hole, the lower end of the positioning pin sequentially passes through the aligned first vertical through hole and the second vertical through hole, and a bending limit part is arranged on the lower port section of the lower end of the positioning pin exposed from the second vertical through hole, and a silica gel elastic sleeve is sleeved on the bending limit part.

[0006] The utility model is further arranged as: one end of the transverse groove is communicated with the annular groove, and one end of the metal positioning strip is fixedly connected with the inner wall surface of the metal positioning frame.

[0007] The utility model is further arranged as: an aluminized layer is fixedly arranged on the upper surface of the base layer, a laser engraving layer is arranged on the aluminized layer; a transparent protective layer is arranged on the upper surface of the laser engraving layer, and a release layer is arranged on the upper surface of the transparent protective layer.

[0008] The utility model is further arranged as: the metal positioning frame is made of stainless steel, the outer side surface of the metal positioning frame is flush with the side surface of the base layer, and the metal positioning frame is fixedly bonded with the inner wall surface of the annular groove.

[0009] The present utility model is further configured such that the metal positioning strip and the positioning pin are integrally provided, and both the metal positioning strip and the positioning pin are made of stainless steel.

[0010] The present utility model is further configured such that the number of the transverse grooves in the base layer is 1 - 3, and the metal positioning strips are adhesively fixed to the inner wall surfaces of the aligned transverse grooves.

[0011] The beneficial effects of the present utility model are as follows: Compared with the prior art, the structure of the present utility model is reasonably designed. A fabric layer is provided on the lower surface of the adhesive layer. The fabric layer is provided with a pin through - hole corresponding to each positioning pin position, and the lower end of each positioning pin passes through the aligned pin through - hole. The laser - engraved transfer film can be firmly adhered to the heat - transferred fabric layer through the adhesive layer first. Then, a bending limiting portion is provided at the position where the lower end of each positioning pin exposes the lower port of the pin through - hole, and the bending limiting portion is bent 90° to the left or right or the bending limiting portion clamps the lower surface of the fabric layer, so that the laser - engraved transfer film can be adhered to the fabric layer more durably, is reliably connected to the fabric, is not easy to crack or fall off, has a long service life and good practicability.

[0012] The present utility model will be further described below in conjunction with the specification drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic structural diagram of an embodiment of the present utility model Figure 1 ;

[0014] Figure 2 is a schematic structural diagram of an embodiment of the present utility model Figure 2 ;

[0015] Figure 3 is Figure 2 an enlarged schematic view of part I in

[0016] Figure 4 is a schematic structural diagram of the base layer of an embodiment of the present utility model;

[0017] Figure 5 is a schematic connection diagram of an embodiment of the present utility model with the fabric. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] In the description of this embodiment, it should be noted that when terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", etc. appear, the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings. This is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, when terms such as "first", "second", "third" appear, they are only for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0019] See Figures 1 to 5 , a laser laser transfer film disclosed by the present utility model includes a base layer 1. A glue layer 2 is fixedly arranged on the lower surface of the base layer 1. An annular groove 11 is arranged on the side surface of the base layer 1. A metal positioning frame 3 is arranged in the annular groove 11. A plurality of transverse grooves 12 are arranged in the base layer 1. A first vertical through hole 13 is arranged downward at a partial position of each transverse groove 12. A second vertical through hole 21 is arranged at the position of the glue layer 2 corresponding to each first vertical through hole 13. A metal positioning strip 4 is embedded in each transverse groove 12. A positioning pin 5 is fixedly arranged at the position of each metal positioning strip 4 corresponding to the first vertical through hole. The lower end of the positioning pin 5 sequentially passes through the aligned first vertical through hole 13 and the second vertical through hole 21, and a bending limiting part 51 is arranged on the lower port section of the lower end of the positioning pin 5 exposed from the second vertical through hole 21. A silica gel elastic sleeve 6 is sleeved on the bending limiting part 51.

[0020] Preferably, the length of the lower end of the positioning pin 5 exposed from the lower port of the second vertical through hole 21 is 3 - 10 mm. The bending limiting part 51 is bent 90° to the left or right. The silica gel elastic sleeve 6 can not only play a limiting role but also has elasticity, which can prevent the lower end of the positioning pin 5 from stabbing the user. In this embodiment, the end of the lower end of the positioning pin 5 is a plane and no spike part is provided.

[0021] To make the structural design of the present utility model more reasonable, preferably, one end of the transverse groove 12 in this embodiment is communicated with the annular groove 11, and one end of the metal positioning strip 4 is fixedly connected to the inner wall surface of the metal positioning frame 3.

[0022] An aluminized layer 7 is fixedly arranged on the upper surface of the base layer 1. A laser laser engraving layer 8 is arranged on the aluminized layer 7; a transparent protective layer 9 is arranged on the upper surface of the laser laser engraving layer 8. A release layer 10 is arranged on the upper surface of the transparent protective layer 9.

[0023] The metal positioning frame 3 is made of stainless steel. The outer side surface of the metal positioning frame 3 is flush with the side surface of the base layer 1, and the metal positioning frame 3 is adhesively fixed to the inner wall surface of the annular groove 11.

[0024] The metal positioning strip 4 and the positioning pin 5 are integrally provided, and both the metal positioning strip 4 and the positioning pin 5 are made of stainless steel. Preferably, the upper end of the positioning pin 5 and the aligned metal positioning strip 4 can also be fixed by threaded connection. That is, a threaded through hole is provided at the position of the metal positioning strip 4 aligned with the first vertical through hole 13, and a threaded connection portion is provided at the upper end of the positioning pin 5. The positioning pin 5 is threadedly connected to the aligned threaded through hole through the threaded connection portion.

[0025] The number of the transverse grooves 12 in the base layer 1 is 1 - 3, and the metal positioning strips 4 are adhesively fixed to the inner wall surfaces of the aligned transverse grooves 12.

[0026] In this embodiment, the base layer 1 is made of PET, the laser laser engraving layer 8 is made of PET or PVC, and the transparent protective layer 9 is made of PET; the adhesive layer 2, the base layer 1, the metal positioning frame 3, the metal positioning strip 4, the positioning pin 5, the aluminized layer 7, the laser laser engraving layer 8, and the transparent protective layer 9 are adhesively compounded to form an integral structure. The adhesive layer 2 is hot melt adhesive or polyolefin composite adhesive, etc. The release layer 10 is silicone release paper or release film.

[0027] During actual application, as Figure 5 shown, a fabric layer 100 is provided on the lower surface of the adhesive layer 2. The fabric layer 100 is provided with a pin through hole at the position aligned with each positioning pin 5, and the lower end of each positioning pin 5 passes through the aligned pin through hole; the laser laser transfer film can be firmly adhered to the hot - transferred fabric layer 100 through the adhesive layer 2 first. Then, a bending limit portion 51 is provided at the position where the lower end of each positioning pin 5 exposes the lower port of the pin through hole, and the bending limit portion 51 is bent 90° to the left or right or the bending limit portion 51 clamps the lower surface of the fabric layer 100, so that the laser laser transfer film can be adhered to the fabric layer 100 more durably, improving the service life of the fabric and having good practicability.

[0028] The above - mentioned embodiments' specific description of the present invention is only used to further illustrate the present invention and cannot be understood as a limitation on the protection scope of the present invention. Those skilled in the art's non - essential improvements and adjustments made to the present invention based on the content of the above - mentioned invention all fall within the protection scope of the present invention.

Claims

1. A laser transfer film, comprising a base layer (1), an adhesive layer (2) being fixedly arranged on the lower surface of the base layer (1), characterized in that: An annular groove (11) is provided on the side surface of the base layer (1), a metal positioning frame (3) is provided in the annular groove (11), a plurality of transverse grooves (12) are provided in the base layer (1), a first vertical through hole (13) is provided at a local position of each transverse groove (12) facing downwards, a second vertical through hole (21) is provided in the adhesive layer (2) aligned with each first vertical through hole (13), a metal positioning strip (4) is embedded in each transverse groove (12), a positioning pin (5) is fixedly provided on each metal positioning strip (4) aligned with the first vertical through hole, the lower end of the positioning pin (5) is sequentially passed through the aligned first vertical through hole (13) and the second vertical through hole (21), and a bending limit portion (51) is provided on the lower end section of the positioning pin (5) where the lower end is exposed from the second vertical through hole (21), and the bending limit portion (51) is sleeved with a silicone elastic sleeve (6).

2. The laser transfer film according to claim 1, characterized in that: One end of the transverse groove (12) is in communication with the annular groove (11), and one end of the metal positioning strip (4) is fixedly connected to the inner wall surface of the metal positioning frame (3).

3. A laser transfer film according to claim 1 or 2, characterized in that: An aluminum plating layer (7) is fixedly arranged on the upper surface of the base layer (1), and a laser engraving layer (8) is arranged on the aluminum plating layer (7); a transparent protective layer (9) is arranged on the upper surface of the laser engraving layer (8), and a release layer (10) is arranged on the upper surface of the transparent protective layer (9).

4. The laser transfer film according to claim 3, characterized in that: The metal positioning frame (3) is made of stainless steel, the outer side surface of the metal positioning frame (3) is flush with the side surface of the base layer (1), and the metal positioning frame (3) is bonded and fixed to the inner wall surface of the annular groove (11).

5. The laser transfer film according to claim 4, characterized in that: The metal positioning strip (4) and the positioning pin (5) are integrally arranged, and both the metal positioning strip (4) and the positioning pin (5) are made of stainless steel.

6. The laser transfer film according to claim 5, characterized in that: The number of the transverse grooves (12) in the base layer (1) is 1-3, and the metal positioning strips (4) are all bonded and fixed to the inner wall surfaces of the aligned transverse grooves (12).

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