Easily-torn packaging bag slitting pressing plate device

Abstract

The utility model discloses an easy-to-tear packaging bag slitting pressing plate device which comprises two supporting plates arranged in a dragging mode, the supporting plates are connected through a screw rod, notches are distributed in the supporting plates in a strip shape, connecting strips are distributed in the notches, an elastic block is arranged between the two supporting plates, and the screw rod penetrates through the bottom of the elastic block and is fixed through a bolt. The conveying roller is reasonable and ingenious in structural design, the notch is used for enabling the conveying roller to make contact with a packaging bag roll film, the conveying roller moves forwards through friction force between the conveying roller and the easy-to-tear packaging bag roll film, due to the fact that the conveying roller is in rolling friction, forward pulling force is small, a tearing line on the roll film cannot be damaged, it can be guaranteed that the tearing line is intact, and the service life of the tearing line is prolonged. The straight rolled film is more convenient to slit, and the elastic blocks can be adjusted according to the rolled films with different thicknesses, so that the distance between the supporting plates adapts to the thickness of the rolled film.

Description

Technical Field

[0001] The utility model relates to a cutting and pressing plate device for easy-tear packaging bags. Background Art

[0002] During the processing of easy-tear packaging bags, holes are punched or tear lines are stamped on the rolled film to facilitate tearing. During the slitting and conveying process, in order to make the rolled film move forward while the tear lines are not torn, it is necessary to control the pulling force of the conveying device, otherwise the tear lines of the finished easy-tear packaging bags will be torn, affecting the sealing of the packaging. Utility Model Content

[0003] In order to overcome the above-mentioned shortcomings, the utility model provides a cutting and pressing plate device for easy-tear packaging bags, which can ensure the integrity of the packaging bags during the cutting and conveying process.

[0004] To achieve this purpose, the structure adopted by the utility model is: an easy-tear packaging bag slitting and pressing plate device, including two support plates symmetrically arranged up and down, the support plates are connected to each other by multiple screws, and gaps are left between the support plates. Each support plate has multiple long strip notches arranged parallel to the feed direction of the roll film, and elastic blocks are arranged between the support plates. The screws pass through the elastic blocks and are fixed with bolts.

[0005] A plurality of connecting strips are arranged in the long strip-shaped notch.

[0006] The elastic block comprises two disc structures, which are symmetrically arranged to form a hollow flying saucer-shaped structure, and the hollow flying saucer-shaped structure is symmetrically provided with support rings up and down.

[0007] The edge of the support plate in the direction of the feed port is bent outward in an arc shape.

[0008] The beneficial effects are as follows: the structural design of the utility model is reasonable and ingenious, the notch is used to allow the conveying roller to contact the packaging bag roll film, and the friction between the conveying roller and the easy-to-tear packaging bag roll film is used to advance it. Since the conveying roller is rolling friction, the forward pulling force is not large, and the tear line on the roll film will not be damaged, so the tear line can be guaranteed to be intact, and the straight roll film is more convenient to cut. The elastic block can be adjusted according to the roll film of different thicknesses, so that the distance between the support plates can adapt to the thickness of the roll film. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] The present invention will be described by way of examples with reference to the accompanying drawings, in which:

[0010] Figure 1 It is a three-dimensional structural diagram of the utility model;

[0011] Figure 2 It is a front view of the utility model;

[0012] Figure 3 Schematic diagram of the elastic block structure. DETAILED DESCRIPTION

[0013] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.

[0014] In the description of the utility model, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0015] In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components; the fixed connection can be welding or gluing. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0016] like Figure 1 , Figure 2 The easy-tear packaging bag slitting and pressing plate device shown comprises two support plates 1 symmetrically arranged in the upper and lower parts, which are connected to each other by a plurality of screws 4, with a gap between the support plates 1, and a plurality of long strip notches 2 are arranged on each support plate 1 in parallel with the feeding direction of the roll film, and an elastic block 5 is arranged between the support plates 1, and the screw 4 passes through the elastic block 5 and is fixed by a bolt 6. The gap formed between the support plates 1 allows the roll film to pass through, and the support plates 1 play a supporting role on the roll film to keep it straight, and the long strip notches 2 can make the upper and lower conveying rollers contact with the roll film, and use the friction force to drive the roll film forward. Due to the supporting role of the support plates 1 and the rolling friction of the conveying rollers, the force of pulling forward is not large, and the tear line on the roll film will not be damaged, so the tear line can be guaranteed to be intact.

[0017] A plurality of connecting strips 3 are arranged in the long strip notch 2. Since the long strip notch 2 reduces the strength of the support plate 1, it is easy to deform under the pressure of the conveying roller, and the connection strips 3 are provided to strengthen the structural strength of the support plate 1, making it not easy to deform, and even if it is deformed, it is easy to recover. The connection strips 3 are in the shape of a long strip, an arc, a triangle, etc.

[0018] like Figure 3 As shown, the elastic block 5 includes two disc structures 51, which are symmetrically arranged to form a hollow flying saucer-shaped structure, and the hollow flying saucer-shaped structure is symmetrically provided with support rings 52. The disc structure 51 is made of metal or rubber material with certain elasticity. After being squeezed, the two disc structures 51 are close to each other. The support ring 52 is arranged between the disc structure 51 and the support plate 1, so that the disc structure 51 is evenly stressed. The gap between the support plates can be adjusted according to the needs of different film rolls, and the stability of the connection between the support plates 1 is guaranteed.

[0019] The edge of the support plate 1 in the direction of the feed opening is bent outward in an arc shape to enlarge the feed opening so that the roll film can enter between the two support plates 1 more easily.

[0020] The utility model has a reasonable and ingenious structural design. During the slitting of the easy-tear packaging bag, the roll film is guaranteed to move forward straightly, which facilitates slitting while keeping the roll film intact, reducing the generation of defective products. At the same time, the thickness can be flexibly adjusted and the application range is wide.

[0021] The above is based on the enlightenment of this utility model. Through the above description, relevant staff can make various changes and modifications without deviating from the technical idea of ​​this utility model. The technical scope of this utility model is not limited to the content in the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. The easy-tear packaging bag cutting and pressing plate device is characterized by: The invention comprises two support plates (1) symmetrically arranged in an upper and lower direction, the support plates (1) are connected to each other by a plurality of screw rods (4), a gap is left between the support plates (1), a plurality of long strip-shaped notches (2) are arranged on each support plate (1) in parallel with the feeding direction of the film roll, an elastic block (5) is arranged between the support plates (1), and the screw rod (4) passes through the elastic block (5) and is fixed by a bolt (6).

2. The easy-tear packaging bag cutting and pressing plate device according to claim 1, characterized in that: A plurality of connecting strips (3) are arranged in the long strip-shaped notch (2).

3. The easy-tear packaging bag cutting and pressing plate device according to claim 1, characterized in that: The elastic block comprises two disc structures (51), the disc structures (51) are symmetrically arranged to form a hollow flying saucer-shaped structure, and the hollow flying saucer-shaped structure is symmetrically provided with support rings (52) above and below.

4. The easy-tear packaging bag cutting and pressing plate device according to claim 1, characterized in that: The edge of the support plate (1) in the direction of the feed port is bent outward in an arc shape.

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