Film folding device for plastic package production

Abstract

The utility model discloses a film folding device for plastic package production, which relates to the technical field of film production and comprises a frame, and a conveying roller, a bearing roller, a folding mechanism, a first conveying roller and a second conveying roller are arranged on the frame. The bearing roller and the second conveying roller are installed on the rack and are lower than the conveying rollers, the folding mechanism comprises a supporting sliding rail, a support, a triangular plate and a guide roller, a film needing to be folded is installed on the conveying roller, the film sequentially passes through the first conveying roller, the triangular plate, the guide roller and the second conveying roller, and finally the folded film is wound on the bearing roller; the film moves on the upper surface of the triangular plate and is folded through the base angles of the triangular plate and the guide rollers; according to actual requirements, the position of the triangular plate can be adjusted through the supporting sliding rail, then the position of the bottom angle of the triangular plate can be adjusted, the triangular plate can move relative to the first conveying roller, and therefore the folding position of the thin film can be adjusted, the final width of the thin film can be changed, and the production requirements can be met.

Description

Technical Field

[0001] The utility model relates to the technical field of film production, in particular to a film folding device for plastic packaging production. Background Art

[0002] A film folding machine is a type of packaging mechanical device that folds the processed film in the center and then rewinds it to reduce the lateral width of the film to meet the requirements of the film in packaging operations. Different customers have different requirements for the width of the film according to their needs. Some customers require a narrower film width, while some customers require a wider film. The existing film folding mechanisms are all fixed in size and cannot be adjusted. In order to meet the folding requirements of films of different widths, film folding mechanisms of different sizes are required, which has a high investment cost. In order to solve the above problem, a film folding device for plastic packaging production is proposed. Utility Model Content

[0003] The purpose of the utility model is to provide a film folding device for plastic packaging production in order to solve the deficiencies of the above-mentioned technology.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a film folding device for plastic packaging production, comprising a frame, the frame is provided with a conveying roller, a bearing roller, a folding mechanism, a first conveying roller, and a second conveying roller; the conveying roller and the first conveying roller are installed at the same height of the frame; the bearing roller and the second conveying roller are installed on the frame and are lower in height than the conveying roller, and the conveying roller and the bearing roller are arranged perpendicular to each other; the folding mechanism comprises a supporting slide rail, a bracket, a triangular plate, and a guide roller, the number of the supporting slide rails is two and is fixedly connected to the frame, and a movable plate is connected between the two supporting slide rails by a slider, and the movable plate is L-shaped; the bracket is fixedly mounted on the movable plate, and the guide roller is mounted on the bracket; the movable plate is fixedly connected to the triangular plate by a support rod, the top height of the triangular plate is lower than the conveying roller, and the bottom angle of the triangular plate is located above the guide roller.

[0005] Preferably, an arc-shaped plate is provided at the bottom corner of the triangular plate to prevent the sharp bottom corner from scratching or even tearing the film when the film is folded in half.

[0006] Preferably, the number of the support rods is at least three and they are distributed in a triangular pattern.

[0007] The beneficial effects of the utility model are as follows: the film to be folded is mounted on the conveying roller, and the film is sequentially passed through the first conveying roller, the triangular plate, the guide roller, and the second conveying roller, and finally the folded film is wound around the carrying roller; the film moves on the upper surface of the triangular plate and is folded through the bottom angle of the triangular plate and the guide roller; according to actual needs, the position of the triangular plate can be adjusted by the supporting slide rail, and then the position of the bottom angle of the triangular plate can be adjusted to cause displacement relative to the first conveying roller, thereby adjusting the folding position of the film and changing the final width of the film to meet production needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0009] Figure 1 It is a structural diagram of the utility model;

[0010] Figure 2 It is a schematic diagram of the connection between the moving plate and the supporting plate (the bracket and triangular plate are not drawn).

[0011] In the figure, 1. frame, 2. conveying roller, 3. bearing roller, 4. first conveying roller, 5. second conveying roller, 6. supporting slide rail, 7. bracket, 8. triangular plate, 9. guide roller, 10. support rod, 11. arc plate, 12. slider, 13. moving plate. DETAILED DESCRIPTION

[0012] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0013] Reference Figure 1-2, this embodiment provides a film folding device for plastic packaging production, including a frame 1, on which a conveying roller 2, a bearing roller 3, a folding mechanism, a first conveying roller 4, and a second conveying roller 5 are provided; the conveying roller 2 and the first conveying roller 4 are installed at the same height of the frame 1; the bearing roller 3 and the second conveying roller 5 are installed on the frame 1 and are lower than the conveying roller 2. The first conveying roller 4 and the second conveying roller 5 both have the function of adjusting the forward direction of the film, and can be adaptively adjusted in position according to actual conditions; the conveying roller 2 and the bearing roller 3 are arranged perpendicular to each other; the folding mechanism includes It includes a supporting slide rail 6, a bracket 7, a triangular plate 8, and a guide roller 9. There are two supporting slide rails 6 and they are fixedly connected to the frame 1. The two supporting slide rails 6 are connected to a movable plate 13 through a slider 12, and the movable plate 13 is L-shaped; the bracket 7 is fixedly installed on the movable plate 13, and the guide roller 9 is installed on the bracket 7; the movable plate 13 is fixedly connected to the triangular plate 8 through a support rod 10, and the top height of the triangular plate 8 is lower than the conveying roller 2, and the bottom angle of the triangular plate 8 is located above the guide roller 9; the carrying roller 3 can provide a source of rotational power by setting a drive motor.

[0014] The bottom corners of the triangular plate 8 are provided with curved plates 11 to prevent the sharp bottom corners from scratching or even tearing the film when the film is folded. The number of the support rods 10 is at least three and distributed in a triangular pattern to increase the stability of the triangular plate 8.

[0015] When the present invention is used, the film to be folded is mounted on the conveying roller 2, and the film is passed through the first conveying roller 4, the triangular plate 8, the guide roller 9, and the second conveying roller 5 in sequence, and finally the folded film is wound around the carrying roller 3; the film moves on the upper surface of the triangular plate 8, and is folded through the bottom angle of the triangular plate 8 and the guide roller 9, and the bottom angle of the triangle is the folding point of the film; according to actual needs, the position of the triangular plate 8 can be adjusted by the supporting slide rail 6, and then the position of the bottom angle of the triangular plate 8 will be adjusted, so that it will be displaced relative to the first conveying roller 4, thereby adjusting the folding position of the film and changing the final width of the film to meet production needs.

[0016] Of course, the above description is not limited to the above examples. The technical features not described in the present invention can be achieved through or by adopting existing technologies, and will not be repeated here. The above embodiments and drawings are only used to illustrate the technical solution of the present invention and are not limitations of the present invention. The present invention is described in detail with reference to the preferred implementation methods. Ordinary technicians in this field should understand that the changes, modifications, additions or substitutions made by ordinary technicians in this technical field within the essential scope of the present invention do not depart from the purpose of the present invention and should also fall within the scope of protection of the claims of the present invention.

Claims

1. A film folding device for plastic packaging production, comprising a frame (1), characterized in that: The frame (1) is provided with a conveying roller (2), a bearing roller (3), a folding mechanism, a first conveying roller (4), and a second conveying roller (5); the conveying roller (2) and the first conveying roller (4) are installed at the same height of the frame (1); the bearing roller (3) and the second conveying roller (5) are installed on the frame (1) and are lower than the conveying roller (2); the conveying roller (2) and the bearing roller (3) are arranged perpendicular to each other; the folding mechanism includes a supporting slide rail (6), a bracket (7), a triangular plate (8), and a guide roller (9); the supporting There are two slide rails (6) and they are fixedly connected to the frame (1). The two supporting slide rails (6) are connected to a movable plate (13) via a slider (12), and the movable plate (13) is L-shaped. The bracket (7) is fixedly mounted on the movable plate (13), and the guide roller (9) is mounted on the bracket (7). The movable plate (13) is fixedly connected to a triangular plate (8) via a support rod (10). The top height of the triangular plate (8) is lower than that of the conveying roller (2), and the bottom angle of the triangular plate (8) is located above the guide roller (9).

2. The film folding device for plastic packaging production according to claim 1, characterized in that: An arc-shaped plate (11) is provided at the bottom corner of the triangular plate (8).

3. The film folding device for plastic packaging production according to claim 1, characterized in that: The number of the support rods (10) is at least three and they are distributed in a triangular pattern.

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