Black PE film reel core

By designing guide plates, telescopic plates, and push-pull plates on the core of the black PE film roll, the automatic conveying and self-cutting functions of the black PE film roll are realized, solving the problems of difficulty in locating the film layer and inconvenience in cutting in the existing technology, and improving the efficiency and aesthetics.

CN223950444UActive Publication Date: 2026-02-27DANYANG RUIYU PLASTIC PROD CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520609763.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-02
Publication Date
2026-02-27
Estimated Expiration
2035-04-02

AI Technical Summary

Technical Problem

The existing black PE film roll core is difficult to locate the frontmost film layer quickly during use, and tools are needed when cutting it in sections, which affects the release efficiency and aesthetics.

Method used

A black PE film roll core structure with a guide plate, a telescopic plate, a push-pull plate, and a blade holder was designed. The automatic conveying and cutting of the film roll is achieved through the cooperation of the guide plate and the telescopic plate, and the cutting function is achieved by the cooperation of the push-pull plate and the blade, without the need for additional tools.

Benefits of technology

It improves the release efficiency and performance of black PE film roll cores, and allows for quick and convenient segmented cutting of the film roll. After cutting, the film layer automatically adheres, avoiding the problems of tool searching and reduced sharpness.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223950444U_ABST
    Figure CN223950444U_ABST
Patent Text Reader

Abstract

The utility model discloses a black PE film reel core in the technical field of black PE films, which comprises a shaft core, shaft bodies are mounted at the top end and the bottom end of the shaft core, a black PE film roll is arranged on the outer wall of the shaft core, guide plates are mounted above and below the outer wall of one side of the shaft core, a screw rod is arranged on one side of the surface of each guide plate, and a screw rod is arranged on the other side of the surface of each guide plate. According to the utility model, the mounting plate is in butt joint with the outer wall of the guide plate on the shaft core in a sliding manner through the two groups of telescopic plates, and the tool apron is arranged in the guide groove B on the mounting plate in a sliding manner through the guide block, so that after a blade is mounted on the tool apron, the tool apron can be fixed on the mounting plate, and the tool apron can be fixed on the mounting plate in a sliding manner. When a black PE film roll on the shaft core needs to be cut in a segmented mode, only the black PE film at the foremost end needs to be pulled to the auxiliary roller to be conveyed in an auxiliary mode, and after the black PE film roll is released to the needed position, the blade is pulled by the push-pull plate to cut the black PE film.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to black PE film technical field, concretely is a black PE film reel core. BACKGROUND

[0002] The black PE film reel core usually refers to a black polyethylene (PE) film for packaging and protecting products, commonly used in industrial and commercial applications. Its characteristics include excellent tensile property, tear resistance and waterproof performance, suitable for various packaging needs. The current reel core for black PE film roll usually only takes winding and packaging treatment for the black PE film roll. When the black PE film roll is unwound from the reel core for use, it is necessary to find the frontmost black PE film roll due to the relatively thin and light black PE film on the black PE film roll. It is difficult to find the relatively thin black PE film, which affects the unwinding efficiency of the black PE film on the reel core. At the same time, during the use of the black PE film roll, it is usually necessary to use it in sections. When the black PE film roll needs to be cut in sections, tools need to be found for cutting operation, which increases the time for finding, the smoothness and flatness of cutting, and affects the beauty of the cut black PE film roll, thereby reducing the use effect of the black PE film roll reel core.

[0003] Therefore, it is necessary to develop a black PE film reel core. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims to provide a black PE film reel core to solve the problems raised in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a black PE film reel core, comprising a reel core, a shaft body is installed at the top end and the bottom end of the reel core, a black PE film roll is arranged on the outer wall of the reel core, a guide plate is installed above and below the outer wall on one side of the reel core, a screw rod is arranged on one side of the surface of the guide plate, and an extension plate is installed on the outer wall of the guide plate.

[0006] A mounting plate is installed between the left sides of the two groups of extension plates.

[0007] Preferably, a shaft sleeve is installed on the outer wall on one side of the guide plate, and the inner wall of the shaft sleeve is rotationally connected with the outer wall of the shaft body.

[0008] Preferably, a knob is arranged on the outer wall of the screw rod, and the inner wall of the knob is threadedly connected with the outer wall of the screw rod.

[0009] Preferably, the inside of the extension plate is slidingly connected with the outer wall of the guide plate, and a guide groove A is formed on one side of the surface of the extension plate.

[0010] Preferably, the inner wall of the guide groove A is slidingly connected with the outer wall of the screw rod, and an auxiliary roller is installed between the right sides of the two groups of extension plates.

[0011] Preferably, a push-pull plate is installed above the outer wall of one side of the mounting plate, and a guide groove B is formed in the surface of the mounting plate.

[0012] Preferably, a guide block is arranged on the outer wall of one side of the push-pull plate, and the outer wall of the guide block is in sliding connection with the inner wall of the guide groove B.

[0013] Preferably, a cutter seat is installed on the outer wall of one side of the guide block, and a cutter blade is in sliding connection with the inside of one side of the cutter seat.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] By abutting the mounting plate in sliding mode on the guide plate outer wall of the shaft core through two groups of telescopic plates, and arranging the cutter seat in sliding mode in the guide groove B on the mounting plate through the guide block, when the black PE film roll on the shaft core needs to be segmented and cut, only the frontmost black PE film needs to be pulled out and assisted to be transported on the auxiliary roller, and then according to the black PE film roll being discharged to the required position, the cutter blade is pulled by the push-pull plate to cut the black PE film, the self-cutting function effect is realized on the black PE film roll shaft core, during cutting, tools are not needed to be found, and the segmented cutting of the black PE film on the outer wall of the black PE film roll shaft core can be quickly realized, meanwhile, the frontmost black PE film after cutting is adhered to the outer wall of the auxiliary roller, and the frontmost black PE film does not need to be found when the black PE film is cut next time, the discharging efficiency of the black PE film on the black PE film roll shaft core is improved, and the use effect of the black PE film roll shaft core is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A front view cross-sectional view is provided for the utility model;

[0017] Figure 2 A front view is provided for the utility model;

[0018] Figure 3 A structure enlarged view of A in the utility model is provided; Figure 1

[0019] A selected part structure enlarged schematic view is provided for the utility model; Figure 4

[0020] A part structure three-dimensional schematic view is provided for the utility model. Figure 5

[0021] ​In the figure: 1, shaft core; 101, shaft body; 102, black PE film roll; 2, guide plate; 201, screw rod; 202, shaft sleeve; 203, knob; 3, telescopic plate; 301, guide groove A; 302, auxiliary roller; 4, mounting plate; 401, push-pull plate; 402, guide groove B; 403, guide block; 404, tool holder; 405, blade. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] The utility model provides the following technical scheme: a black PE film roll shaft core, please see Figures 1-5 , including the shaft core 1, the top and bottom of shaft core 1 are installed with shaft body 101, the outer wall of shaft core 1 is provided with black PE film roll 102, the outer wall of one side of shaft core 1 is installed with guide plate 2 above and below, the surface of guide plate 2 is provided with screw rod 201 on one side, the outer wall of one side of guide plate 2 is installed with shaft sleeve 202, the inner wall of shaft sleeve 202 is rotatably connected with the outer wall of shaft body 101, two groups of guide plates 2 are rotatably connected on the outer wall of shaft body 101 on shaft core 1 by shaft sleeve 202, so that the two groups of guide plates 2 can be rotatably handled on shaft core 1, the outer wall of screw rod 201 is provided with knob 203, the inner wall of knob 203 is threadedly connected with the outer wall of screw rod 201, the outer wall of guide plate 2 is installed with telescopic plate 3, the inner part of telescopic plate 3 is slidably connected with the outer wall of guide plate 2, the surface of telescopic plate 3 is provided with guide groove A 301 on one side, the inner wall of guide groove A 301 is slidably connected with the outer wall of screw rod 201, the right side between two groups of telescopic plates 3 is installed with auxiliary roller 302, and the two groups of telescopic plates 3 are slidably connected on the outer wall of guide plate 2, and the guide groove A 301 on telescopic plate 3 is slidably arranged on the outer wall of screw rod 201 on guide plate 2, so that the telescopic plate 3 can be horizontally stretched to the left or right at one end of guide plate 2, when the length of telescopic plate 3 needs to be fixed after stretching, only need to rotate the knob 203 on the outer wall of screw rod 201, to tighten, so that the length of telescopic plate 3 can be adjusted and fixed after adjustment.

[0024] The left side between the two groups of telescopic plates 3 is provided with a mounting plate 4, the outer wall of one side of the mounting plate 4 is provided with a push-pull plate 401, the surface of the mounting plate 4 is provided with a guide groove B402, the outer wall of one side of the push-pull plate 401 is provided with a guide block 403, the outer wall of the guide block 403 is in sliding connection with the inner wall of the guide groove B402, the outer wall of one side of the guide block 403 is provided with a tool holder 404, the inner side of the tool holder 404 is in sliding connection with a blade 405, the mounting plate 4 is in sliding abutment on the outer wall of the guide plate 2 on the shaft core 1 by the two groups of telescopic plates 3, and the tool holder 404 is in sliding connection with the guide groove B402 on the mounting plate 4 by the guide block 403, after the blade 405 is installed in the tool holder 404, when the black PE film roll 102 on the shaft core 1 needs to be segmented and cut, the frontmost black PE film is only needed to be pulled to the auxiliary roller 302 for auxiliary conveying treatment, and then the blade 405 is pulled by the push-pull plate 401 to cut the black PE film after the black PE film roll 102 is unwound to the required position, the self-cutting function effect is realized by the shaft core of the black PE film roll, during cutting, tools are not needed to be found, and the segmented cutting treatment of the black PE film on the outer wall of the shaft core of the black PE film roll can be quickly realized, and the frontmost black PE film after cutting is adhered to the outer wall of the auxiliary roller 302, the frontmost black PE film is not needed to be found during the next cutting of the black PE film, the unwinding efficiency of the black PE film on the shaft core of the black PE film roll is improved, the surfaces of the blade 405 and the tool holder 404 are provided with hole positions, the blade 405 is installed in the tool holder 404, the blade 405 is installed and fixed in the tool holder 404 by the bolt penetrating the hole position, the blade 405 can be replaced according to the detachable effect between the blade 405 and the tool holder 404, and the sharpness of the blade 405 after long-term use is avoided as much as possible.

[0025] Working principle: when using the utility model, two groups of guide plates 2 are installed on the outer wall of shaft body 101 on shaft core 1 in a rotatable manner through shaft sleeve 202, so that the two groups of guide plates 2 can be rotated on shaft core 1, two groups of expansion plates 3 are butted on the outer wall of guide plate 2 in a sliding manner, and guide groove A301 on expansion plate 3 is arranged on the outer wall of screw rod 201 on guide plate 2 in a sliding manner, so that expansion plate 3 can be horizontally stretched to the left or right at one end of guide plate 2, when the length of expansion plate 3 needs to be fixed after stretching, only need to rotate knob 203 on the outer wall of screw rod 201 until it is tightened, so that the length of expansion plate 3 can be adjusted and fixed, mounting plate 4 is butted on the outer wall of guide plate 2 on shaft core 1 in a sliding manner through two groups of expansion plates 3, and knife seat 404 is arranged in guide groove B402 on mounting plate 4 in a sliding manner through guide block 403, when black PE film roll 102 on shaft core 1 needs to be segmented and cut according to the installation of blade 405 on knife seat 404, only need to pull the frontmost black PE film to auxiliary roller 302 for auxiliary conveying, and then pull blade 405 to cut the black PE film according to the position of black PE film roll 102 after being released, the black PE film on the outer wall of black PE film roll shaft core is cut in segments, the frontmost black PE film after cutting is adhered to the outer wall of auxiliary roller 302, and the frontmost black PE film does not need to be found when cutting the black PE film next time, the releasing efficiency of the black PE film on the black PE film roll shaft core is improved, holes are arranged on the surfaces of blade 405 and knife seat 404, blade 405 is installed in knife seat 404 through the bolts penetrating the holes, the blade 405 is installed and fixed in the knife seat 404, the blade 405 can be replaced according to the detachable effect between the blade 405 and the knife seat 404, the sharpness of the blade 405 after long-term use is avoided, and the use effect of the black PE film roll shaft core is improved.

[0026] Although the utility model has been described in the foregoing with reference to the embodiments, various improvements can be made and equivalent parts can be replaced without departing from the scope of the utility model. In particular, as long as there is no structural conflict, each feature in the disclosed embodiments of the utility model can be combined in any way, and the combinations are not described in this specification only for the purpose of omitting the length and saving resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A black PE film reel core, comprising a shaft core (1), a shaft body (101) is installed at the top end and the bottom end of the shaft core (1), a black PE film roll (102) is arranged on the outer wall of the shaft core (1), characterized in that: The outer wall of one side of the shaft core (1) is provided with a guide plate (2) above and below, the surface of the guide plate (2) is provided with a screw rod (201), the outer wall of the guide plate (2) is provided with an expansion plate (3). The left side between the two groups of expansion plates (3) is provided with a mounting plate (4).

2. A black PE film reel core according to claim 1, characterized in that: The outer wall of one side of the guide plate (2) is provided with a shaft sleeve (202), and the inner wall of the shaft sleeve (202) is rotationally connected with the outer wall of the shaft body (101).

3. A black PE film reel core according to claim 1, characterized in that: The outer wall of the screw rod (201) is provided with a knob (203), and the inner wall of the knob (203) is threadedly connected with the outer wall of the screw rod (201).

4. A black PE film reel core according to claim 1, characterized in that: The inner part of the expansion plate (3) is slidably connected with the outer wall of the guide plate (2), and the surface of the expansion plate (3) is provided with a guide groove A (301).

5. A black PE film reel core according to claim 4, characterized in that: The inner wall of the guide groove A (301) is slidably connected with the outer wall of the screw rod (201), and the right side between the two groups of expansion plates (3) is provided with an auxiliary roller (302).

6. A black PE film reel core according to claim 1, characterized in that: The outer wall of one side of the mounting plate (4) is provided with a push-pull plate (401), and the surface of the mounting plate (4) is provided with a guide groove B (402).

7. A black PE film reel core according to claim 6, characterized in that: The outer wall of one side of the push-pull plate (401) is provided with a guide block (403), and the outer wall of the guide block (403) is slidably connected with the inner wall of the guide groove B (402).

8. A black PE film reel core according to claim 7, characterized in that: The outer wall of one side of the guide block (403) is provided with a tool holder (404), and the inner part of the tool holder (404) is slidably connected with a blade (405).