WO2022156410A1

WO2022156410A1 - Automatic packaging film for cotton picker

Info

Publication number: WO2022156410A1
Application number: PCT/CN2021/136428
Authority: WO
Inventors: 周静
Original assignee: 周静
Priority date: 2021-01-25
Filing date: 2021-12-08
Publication date: 2022-07-28
Also published as: CN214453452U; AU2021372956A1; BR212023014784U2; AU2021372956A2

Abstract

An automatic packaging film for a cotton picker, comprising a plurality of packaging films (1). The plurality of packaging films (1) are connected end to end in sequence and then wound into a roll; each packaging film (1) is a film having an integrated structure; each packaging film (1) is provided with a glue-free area (2), a glue area (3), and a sealing glue area (4); the glue-free area (2) is close to the head end, the glue area (3) is located in the middle, and the sealing glue area (4) is located at the tail end; the tail end of the sealing glue area (4) is bonded to the tail end of a release film (5), the head end of the release film (5) is connected to the head end of a PE film (6), and the tail end of the PE film (6) is then connected to the head end of a neighboring packaging film (1), so as to achieve connection between the plurality of packaging films (1).

Description

Automatic packing film for cotton picking machine

technical field

The invention relates to the field of agricultural products, in particular to an automatic packing film for a cotton picker.

Background technique

Packaging film is used to package products. At present, existing automatic packaging films are connected together by several pieces of packaging film and then rolled into a roll. Each piece of packaging film is bonded and fixed by a folded release film. The packaging film includes a glue-free area and a glue-free area, and the glue-free area and the glue-free area are separated into two films, which are bonded together to form a complete packaging film. Such a structure has the following disadvantages: 1. The bonding between the two diaphragms in the glued area and the glue-free area increases labor input, resulting in low efficiency and low production capacity; 2. The glued area and the glue-free area have their own size requirements. Separation and shearing cause the increase of material heads and waste materials; 3. In the process of use, the adhesive area between the glued area and the non-adhesive area is easy to detach, and the phenomenon of unpacking occurs; The release film is bonded. During the production process, the folding of the release film makes the automatic lamination process more complicated and the cost increases.

It can be seen that the above-mentioned existing automatic packaging films still have inconveniences and defects in structure and use, and need to be further improved. How to create a new automatic packaging film for cotton picking machines is one of the important research and development topics at present.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide an automatic packaging film for cotton picking machines, which has an integrated packaging film film, and the connection between the film is more convenient for automatic glue spraying and automatic film coating, which avoids the use of The phenomenon of easy-to-open packaging simplifies the production process, improves production efficiency and production capacity, and thus overcomes the shortcomings of the existing automatic packaging film.

In order to solve the above-mentioned technical problems, the present invention provides an automatic packing film for a cotton picking machine, which includes several pieces of packaging film, which are connected end to end in sequence and then rolled into a roll, and each piece of packaging film is a film with an integrated structure, Each piece of packaging film is provided with a glue-free area, a glue-containing area and a sealing glue area. The glue-free area is close to the head end, the glued area is located in the middle, and the sealing glue area is located at the tail end. The tail end, the head end of the release film is connected with the head end of the PE film, and the tail end of the PE film is connected with the head end of the adjacent packaging film to realize the connection between several pieces of packaging film.

As an improvement of the present invention, the connection between the packaging films is a point-break type knife edge, a row of spaced holes is opened between adjacent packaging films along the width direction, and adjacent packaging films are cut at the openings. open and connect at the intervals of the openings.

Further, the connection between the packaging films is a cut-off knife edge, and the adjacent packaging films are separated from each other, and are completely bonded and connected by the release film and the PE film.

Further, the sealing glue area adopts strong cloth-based fiber sealing glue.

Further, the number of the packaging films is 24 pieces.

Further, the length of the packaging film is 21500mm, wherein the length of the non-adhesive area is 12000mm, the length of the adhesive area is 9300mm, and the length of the sealing adhesive area is 200mm.

Further, the width of the two ends of the packaging film is smaller than the width of the middle part, the width of the middle part of the packaging film is 2700mm, and the width begins to decrease gradually at 3000mm near the two ends until the end width is 2200mm.

Further, the glue spraying width of the glued area is 2400mm.

Further, the length of the release film is 250mm, and the length of the PE film is 350mm.

The head end of the PE film and the head end of the release film are connected by double-sided tape bonding or welding, and the connection length is 10mm-30mm; the tail end of the PE film and the head end of the adjacent packaging film are connected. It is connected by double-sided adhesive bonding or welding, and the connection length is 10mm-50mm.

After adopting such a design, the present invention has at least the following advantages:

1. The packaging film is a film with an integrated structure, which avoids the phenomenon of unpacking caused by easy falling off between the glued area and the non-suburban area;

2. The integrated structure of the diaphragm avoids the waste of materials caused by multiple cutting, and also avoids the waste of manpower invested in the traditional bonding of glued areas and non-adhesive areas.

3. The adjacent packaging films are connected by release film and PE film, which is easier for automatic glue spraying and automatic film lamination in production, which simplifies the process flow and improves production capacity.

4. The point-breaking knife edge makes the adjacent packaging films not completely separated, which is easy for automatic glue spraying and automatic lamination, and improves efficiency and production capacity.

5. The PE film and the release film, as well as the PE film and the adjacent packaging film are connected by welding, which further saves materials and reduces costs.

6. The sealing glue adopts strong cloth-based fiber sealing glue, which has strong adhesion and reduces the risk of opening the package.

Description of drawings

The above is only an overview of the technical solutions of the present invention. In order to understand the technical means of the present invention more clearly, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

Figure 1 is a schematic structural diagram of a packaging film.

FIG. 2 is a schematic cross-sectional view of the junction of adjacent packaging films.

Figure 3 is a top view of the junction of adjacent packaging films.

Description of reference numerals: 1-packaging film; 2-adhesive-free area; 3-adhesive area; 4-sealing adhesive area; 5-release film; 6-PE film; 7-double-sided tape; 8-knife edge.

Detailed ways

Referring to FIG. 1, the present invention provides an automatic packing film for a cotton picking machine, including several pieces of packing film 1. In this embodiment, there are 24 pieces of packing film 1 in total, and the 24 pieces of packing film 1 are connected end to end in sequence and then rolled Rolled. Each piece of packaging film 1 is a film with an integral structure. The packaging film 1 includes a glue-free area 2, a glued area 3 and a sealing glue area 4, wherein the glue-free area 2 is close to the head end, and the glued area 3 is located in the middle. Glue zone 4 is located at the tail end. In this embodiment, the total length of the packaging film 1 is 21500mm, wherein the length of the non-adhesive area 2 is 12000mm, the length of the adhesive area 3 is 9300mm, the length of the sealing adhesive area 4 is 200mm, and the width of the middle of the packaging film 1 is 2700mm. The width starts to decrease gradually at 3000mm near the ends of both ends, until the width of the end is 2200mm, and the glue spraying width of glued area 3 is 2400mm.

Preferably, the sealing glue area 4 adopts strong cloth-based fiber sealing glue.

Please refer to FIG. 2 and FIG. 3. In this embodiment, the adjacent packaging films 1 are bonded together by the release film 5 and the PE film 6, and the end of the sealing glue area 4 is bonded to the tail end of the release film 5. The head end of the release film 5 and the head end of the PE film 6 are bonded by the double-sided adhesive tape 7, and the tail end of the PE film 6 and the adjacent packaging film 1 are bonded by the double-sided tape 7, so as to achieve the Adhesion between adjacent packaging films 1. It should be noted that, in other embodiments, the PE film 6 and the release film 5 and between the PE film and the adjacent packaging film can also be connected by welding, so as to save materials and reduce costs. Purpose.

Preferably, the length of the release film 5 is 250mm, the length of the PE film 6 is 350mm, the length of the connection between the head end of the PE film 6 and the release film 5 is 10mm-30mm, the tail end of the PE film 6 and the The connection length between adjacent packaging films 1 is 10mm-50mm.

It should be noted that, in this embodiment, the knife edges 8 between the adjacent packaging films 1 are point-breaking knife edges, that is, the adjacent packaging films 1 are not completely separated, but are separated by a row along the width direction. Holes, the adjacent packaging films are disconnected at the openings and connected at the intervals of the openings. Such a design can prevent the packaging film 1 from being completely cut during the production process, and is more convenient for automatic hole opening, automatic glue spraying and automatic film lamination on the production line, thereby improving production efficiency and productivity. In other embodiments of the present invention, the knife edge 8 can also be set as a cut-off knife edge, that is, the packaging films 1 adjacent to the knife edge 8 are separated from each other, and are completely bonded together by the release film 5 and the PE film 6.

When the present invention is in use, when the automatic cotton picker recognizes that a piece of packaging film 1 has been packaged by scanning the code, the subsequent packaging film 1 stops running, and the adjacent packaging films 1 are separated from each other by pulling force, and at this time, the packaging film 1 is released. The film 5 is smoothly peeled off from the strong cloth-based fiber sealing glue, and the strong cloth-based fiber sealing glue is bonded with the packaged packaging film to complete the packaging. After the packaging is completed, the cotton picker continues to operate and enters the next packaging cycle.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Those skilled in the art make some simple modifications, equivalent changes or modifications by using the technical contents disclosed above, all of which fall within the scope of the present invention. within the scope of protection of the invention.

Claims

An automatic packaging film for cotton picking machines, which is characterized in that it includes several pieces of packaging film, which are connected end to end in sequence and then rolled into a roll shape, and each piece of packaging film is a film with an integrated structure, and each piece of packaging film is provided with No glue area, glued area and sealing glue area, the glue-free area is close to the head end, the glued area is located in the middle, the sealing glue area is located at the tail end, the end of the sealing glue area is bonded to the tail end of the release film, the release film The head end of the PE film is connected to the head end of the PE film, and the tail end of the PE film is connected to the head end of the adjacent packaging film to realize the connection between several packaging films.
The automatic packaging film for a cotton picking machine according to claim 1, wherein the connection between the packaging films is a point-break type knife edge, and there is a row of intervals along the width direction between the adjacent packaging films The adjacent packaging films are disconnected at the openings and connected at the intervals of the openings.
The automatic packaging film for a cotton picking machine according to claim 1, wherein the connection between the packaging films is a cut-off knife edge, and the adjacent packaging films are separated from each other and completely pass through the release film. Adhesive connection with PE film.
The automatic packaging film for cotton picking machines according to claim 1, wherein the sealing glue area adopts strong cloth-based fiber sealing glue.
The automatic packaging film for a cotton picker according to claim 1, wherein the number of the packaging films is 24 pieces.
The automatic packaging film for cotton picking machines according to claim 1, wherein the length of the packaging film is 21500mm, wherein the length of the glue-free area is 12000mm, the length of the glued area is 9300mm, and the length of the glued area is 9300mm. The length is 200mm.
The automatic packaging film for cotton picking machines according to claim 1, wherein the width of the two ends of the packaging film is smaller than the width of the middle part, the width of the middle part of the packaging film is 2700mm, and the width of the middle part of the packaging film is 2700mm. The width starts to decrease gradually at 3000mm until the end width is 2200mm.
A kind of automatic packing film of cotton picking machine according to claim 1, is characterized in that, the glue spraying width of described glued area is 2400mm.
The automatic packing film for a cotton picking machine according to claim 1, wherein the length of the release film is 250mm, and the length of the PE film is 350mm.
The automatic packaging film for a cotton picker according to claim 1 or 9, wherein the head end of the PE film and the head end of the release film are connected by double-sided adhesive bonding or welding, The connection length is 10mm-30mm; the tail end of the PE film and the head end of the adjacent packaging film are connected by double-sided adhesive bonding or welding, and the connection length is 10mm-50mm.