Plastic release film convenient to cut

Abstract

The utility model discloses a plastic release film convenient to cut off, relates to release film technical field, the plastic release film convenient to cut off comprises a mounting box and a release film body, the mounting box is internally provided with a fixed roller, the outer wall of the fixed roller is provided with a hollow sleeve, and the hollow sleeve is internally provided with a through hole. A hollow sleeve is installed in the mounting box, a release film body is installed on the outer wall of the hollow sleeve, a film outlet is formed in the center of the rear end of the mounting box, sawteeth are installed at the inner bottom of the film outlet, the release film body is composed of multiple sets of first release films and second release films, and the first release films and the second release films are connected through tearing structures. The tearing structure is composed of a tearing edge and a connecting piece, and according to the scheme, the problems that an existing release film is inconvenient to tear in the using process, and when the release film is torn by cutting the needed length, the tearing is possibly inconvenient due to the fact that the toughness of the release film is high are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of release films, in particular to a plastic release film which is convenient to cut. Background Art

[0002] Plastic release films are specialized films or papers with very low adhesion. They are primarily used as separators during coating, lamination, or coating processes, preventing two sticky surfaces from adhering to each other and allowing for easy separation. These films are widely used in a variety of applications, including label manufacturing, molding, electronics, and even baking.

[0003] For example, announcement number CN220999575U is named as a release film, which includes a base film, a release layer, and an adhesive layer. The release layer is covered with the adhesive layer on the top and bottom, and the adhesive layer is covered with the base film on the outside. This utility model can be peeled off from the adhesive layer more easily under high-speed peeling conditions. After the bonding process and long-term storage, it still has an excellent release force retention effect with a small increase in release force, and provides a release film with a high residual adhesion rate.

[0004] The above device is inconvenient to tear during use. When cutting the required length to tear the release film, it may be difficult to tear due to the strong toughness of the release film. Therefore, we propose a plastic release film that is easy to cut to solve the above problems. Utility Model Content

[0005] The purpose of the present invention is to provide a plastic release film that is easy to cut, so as to solve the problem that the existing release film proposed in the above background technology is inconvenient to tear during use. When cutting the required length for tearing the release film, it may be inconvenient to tear it due to the strong toughness of the release film.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a plastic release film that is easy to intercept, comprising an installation box and a release film body, wherein a fixed roller is installed inside the installation box, a hollow sleeve is installed on the outer wall of the fixed roller, and the release film body is installed on the outer wall of the hollow sleeve, and a film outlet is installed at the center position of the rear end of the installation box, and a serration is installed at the inner bottom of the film outlet, wherein the release film body is composed of multiple groups of first release films and second release films, the first release film and the second release film are connected by a tearing structure, and the tearing structure consists of a tearing edge and a connecting piece, the tearing edge is installed on both sides of the first release film and the second release film, and the two tearing edges are connected by the connecting piece, a first guide cutting opening is installed in the middle position of the front end of the first release film and the second release film, and a second guide cutting opening is installed in the middle position of the rear end of the first release film and the second release film.

[0007] Preferably, bearings are installed on both sides of the fixed roller, and the fixed roller is connected to the inner side wall of the installation box through the bearings.

[0008] Preferably, the serrations are welded to the mounting box.

[0009] Preferably, the torn edge and the connecting piece are connected by hot melting.

[0010] Preferably, the connecting pieces are provided in a plurality of groups, and the connecting pieces in the plurality of groups are distributed at equal intervals between the two torn edges.

[0011] Preferably, the first guide cutting opening and the second guide cutting opening have the same size, are symmetrically distributed on the release film body, and are located on the same vertical line.

[0012] Preferably, a V-shaped groove is installed in the middle position of both ends of the first release film and the second release film, the first guide cutting opening and the second guide cutting opening are located between the two V-shaped grooves, and the V-shaped groove and the first guide cutting opening and the second guide cutting opening are on the same vertical line.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] The utility model can position the tearing direction through the first guide cutting opening and the second guide cutting opening at both ends, and the arrangement of the V-shaped groove makes it easy to tear the first release film by the saw teeth, and the saw teeth can cut the connecting piece between the two torn edges, so that the first release film can be separated from the second release film, and the release film can be intercepted twice through the first guide cutting opening and the second guide cutting opening at both ends, thereby realizing the interception of release films of different lengths, solving the problem that the existing release film is inconvenient to tear during use, and when the required length is cut to tear the release film, the toughness of the release film may be strong, resulting in inconvenience in tearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 Schematic diagram of the unfolded structure of the release film body;

[0017] Figure 3 This is a partial enlarged view of point A of the present utility model;

[0018] Figure 4 It is a partial enlarged view of point B of the present utility model;

[0019] In the figure: 1. Installation box; 2. Release film body; 3. Fixed roller; 4. Hollow sleeve; 5. Bearing; 6. Film outlet; 7. Sawtooth; 8. First release film; 9. Second release film; 10. Tear structure; 11. Tear edge; 12. Connecting piece; 13. First guide cutting notch; 14. Second guide cutting notch; 15. V-groove. DETAILED DESCRIPTION

[0020] 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 the embodiments.

[0021] See also Figure 1-4 The utility model provides an embodiment of a plastic release film that is convenient for intercepting, including an installation box 1 and a release film body 2, a fixed roller 3 is installed inside the installation box 1, a hollow sleeve 4 is installed on the outer wall of the fixed roller 3, and the release film body 2 is installed on the outer wall of the hollow sleeve 4, a film outlet 6 is installed at the center position of the rear end of the installation box 1, and a serration 7 is installed at the inner bottom of the film outlet 6. The release film body 2 is composed of multiple groups of first release films 8 and second release films 9. The first release film 8 and the second release film 9 are connected by a tearing structure 10, and the tearing structure 10 consists of a tearing edge 11 and a connecting piece 12. The tearing edge 11 is installed on both sides of the first release film 8 and the second release film 9, and the two tearing edges 11 are connected by a connecting piece 12. A first guide cutting opening 13 is installed in the middle position of the front end of the first release film 8 and the second release film 9, and a second guide cutting opening 14 is installed in the middle position of the rear end of the first release film 8 and the second release film 9.

[0022] See also Figure 1 and Figure 2 Bearings 5 ​​are installed on both sides of the fixed roller 3. The fixed roller 3 is connected to the inner wall of the installation box 1 through the bearings 5. The first release film 8 is pulled. Under the action of the bearings 5, the fixed roller 3 can rotate. The rotation of the fixed roller 3 can drive the hollow sleeve 4 to rotate, so that the release film body 2 can be freely rolled and pulled.

[0023] See also Figure 1 The saw teeth 7 are welded to the mounting box 1 , and the saw teeth 7 can cut the release film, thereby improving the efficiency of intercepting the release film.

[0024] See also Figure 3 The torn edge 11 and the connecting piece 12 are connected by hot melting, which can make the connection between the torn edge 11 and the connecting piece 12 more stable.

[0025] See also Figure 2There are several groups of connecting pieces 12, and the groups of connecting pieces 12 are evenly spaced between the two tear edges 11, which makes it convenient for the staff to cut the required length of the release film and ensure that the release film can be better torn and used.

[0026] See also Figure 2 The first guide cutting opening 13 and the second guide cutting opening 14 have the same size, and are symmetrically distributed on the release film body 2. The first guide cutting opening 13 and the second guide cutting opening 14 are located on the same vertical line. The tearing direction can be positioned by the first guide cutting opening 13 and the second guide cutting opening 14 at both ends to avoid large deviation during tearing, which affects the interception effect of the release film.

[0027] See also Figure 2 A V-shaped groove 15 is installed in the middle position of both ends of the first release film 8 and the second release film 9. The first guide cutting opening 13 and the second guide cutting opening 14 are located between the two V-shaped grooves 15. The V-shaped groove 15 and the first guide cutting opening 13 and the second guide cutting opening 14 are on the same vertical line. The setting of the V-shaped groove 15 facilitates tearing the first release film 8 by the saw teeth 7.

[0028] Working principle: When in use, pull the first release film 8, and the fixed roller 3 can be rotated under the action of the bearing 5. The rotation of the fixed roller 3 can drive the hollow sleeve 4 to rotate, so that the release film body 2 can be freely rolled and pulled. The tearing direction can be positioned by the first guide cutting opening 13 and the second guide cutting opening 14 at both ends. The setting of the V-shaped groove 15 facilitates the tearing of the first release film 8 by the saw teeth 7. The connecting piece 12 between the two torn edges 11 can be cut by the saw teeth 7, so that the first release film 8 can be separated from the second release film 9, thereby realizing the interception of the release film.

[0029] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A plastic release film that is easy to cut, comprising a mounting box (1) and a release film body (2), characterized in that: A fixed roller (3) is installed inside the installation box (1), a hollow sleeve (4) is installed on the outer wall of the fixed roller (3), a release film body (2) is installed on the outer wall of the hollow sleeve (4), a film outlet (6) is installed at the center of the rear end of the installation box (1), a sawtooth (7) is installed on the inner bottom of the film outlet (6), and the release film body (2) is composed of multiple groups of first release films (8) and second release films (9), and the first release films (8) and the second release films (9) are connected by a tearing structure (1 0) connection, the tearing structure (10) consists of a tearing edge (11) and a connecting piece (12), the tearing edge (11) is installed on both sides of the first release film (8) and the second release film (9), the two tearing edges (11) are connected by the connecting piece (12), a first guide cutting opening (13) is installed in the middle position of the front end of the first release film (8) and the second release film (9), and a second guide cutting opening (14) is installed in the middle position of the rear end of the first release film (8) and the second release film (9).

2. The plastic release film that is easy to cut according to claim 1, characterized in that: Bearings (5) are installed on both sides of the fixed roller (3), and the fixed roller (3) is connected to the inner side wall of the installation box (1) through the bearings (5).

3. The plastic release film that is easy to cut according to claim 1, characterized in that: The saw teeth (7) are welded to the installation box (1).

4. The plastic release film that is easy to cut according to claim 1, characterized in that: The torn edge (11) and the connecting piece (12) are connected by hot melting.

5. The plastic release film that is easy to cut according to claim 1, characterized in that: The connecting pieces (12) are provided in a plurality of groups, and the connecting pieces (12) in the plurality of groups are distributed at equal intervals between the two torn edges (11).

6. The plastic release film that is easy to cut according to claim 1, characterized in that: The first guide cutting opening (13) and the second guide cutting opening (14) have the same size, are symmetrically distributed on the release film body (2), and are located on the same vertical line.

7. The plastic release film that is easy to cut according to claim 1, characterized in that: A V-shaped groove (15) is installed in the middle position of both ends of the first release film (8) and the second release film (9), the first guide cutting opening (13) and the second guide cutting opening (14) are located between the two V-shaped grooves (15), and the V-shaped groove (15) and the first guide cutting opening (13) and the second guide cutting opening (14) are on the same vertical line.

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