Roll material film tearing device

By designing a roll film tearing device, the vertical cooperation between the straightening device and the tearing guide roller solves the problem of film breakage during the traditional film tearing process, and achieves stability in roll film tearing and neat collection of waste film.

CN223722394UActive Publication Date: 2025-12-26JIANGYIN TEMEI NEW MATERIAL CO LTD
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Patent Information

Application Number
CN202520387836.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-07
Publication Date
2025-12-26
Estimated Expiration
2035-03-07

AI Technical Summary

Technical Problem

In the traditional roll film tearing process, the film is prone to forming an oblique angle under the traction force of the take-up roller, which can cause the roll to break and affect the stability of the tearing process.

Method used

A roll film tearing device was designed, which includes a straightening device and a tearing guide roller. The tearing guide roller is pushed by a cylinder to keep it perpendicular to the last set of straightening rollers of the straightening device to ensure vertical traction of the film. A waste film take-up roller is set behind the tearing guide roller to facilitate the neat collection of the film.

Benefits of technology

It achieves stability in the roll film tearing process, avoids film breakage, and facilitates the neat collection of waste film.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223722394U_ABST
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Abstract

The utility model discloses a roll material film tearing device which comprises an installation frame, a straightening device is arranged on the right side of the installation frame, two sliding rails are installed on the straightening device in parallel in a spaced mode, sliding blocks are installed on the two sliding rails, installation plates are installed on one sides of the sliding blocks, a film tearing guide roller is transversely installed between the installation plates, and the film tearing guide roller is arranged on the right side of the installation frame. A push rod is connected to the upper end of the mounting plate, an air cylinder is mounted at the tail end of the push rod, and the air cylinder is mounted on the mounting frame; the film tearing device is reasonable in structural design and convenient to use, the air cylinder is designed to push the film tearing guide roller to move forwards, so that the film tearing guide roller can be kept perpendicular to the last set of straightening rollers of the straightening device, it can be guaranteed that a film is not prone to breakage in the roll material film tearing process, roll material film tearing can be continuously and stably carried out, and the production efficiency is improved. And the waste film winding roller is arranged behind the film tearing guide roller, so that waste films can be conveniently and orderly collected.
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Description

TECHNICAL FIELD

[0001] The utility model relates to production equipment field especially is related to a roll stock film tearing device. BACKGROUND

[0002] In the roll stock production and processing process, it is usually needed to straighten the roll stock and remove the surface film, the traditional film removing mode is that the film torn from the roll stock is directly pulled to the winding roller to tear the film and wind, this form causes that the film forms an oblique pulling angle when leaving the roll stock surface under the pulling force of the winding roller, thereby causing the roll stock to be easily affected by the pulling tension force and broken in the roll stock film tearing process, which is not conducive to the continuous and stable film tearing of the roll stock, and therefore still needs to be improved. SUMMARY

[0003] The utility model discloses a roll stock film tearing device, which comprises a mounting frame, a straightening device is arranged on the right side of the mounting frame, two slide rails are horizontally and spacedly arranged on the straightening device, slide blocks are arranged on the two slide rails, mounting plates are arranged on one side of the slide blocks, film tearing guide rollers are transversely arranged between the mounting plates, push rods are connected to the upper end positions of the mounting plates, air cylinders are arranged at the ends of the push rods, and the air cylinders are arranged on the mounting frame.

[0004] Preferably, a waste film winding roller is arranged behind the film tearing guide roller, a rotating shaft is horizontally arranged in the center of the waste film winding roller, the two ends of the rotating shaft are arranged on the mounting frame, a shaft sleeve is arranged between the rotating shaft and the mounting frame and is arranged through the shaft sleeve, a transmission wheel is arranged at one end of the rotating shaft, a transmission belt is arranged on the transmission wheel, a driving motor is arranged at the other end of the transmission belt, and the driving motor is arranged on the mounting frame.

[0005] Preferably, a plurality of storage rollers are arranged on the mounting frame in an inclined and spaced manner.

[0006] Preferably, a plurality of straightening rollers are arranged on the straightening device, and the plurality of straightening rollers are arranged in two rows according to the upper and lower positions.

[0007] The utility model discloses a roll stock film tearing device, which comprises a mounting frame, a straightening device is arranged on the right side of the mounting frame, two slide rails are horizontally and spacedly arranged on the straightening device, slide blocks are arranged on the two slide rails, mounting plates are arranged on one side of the slide blocks, film tearing guide rollers are transversely arranged between the mounting plates, push rods are connected to the upper end positions of the mounting plates, air cylinders are arranged at the ends of the push rods, and the air cylinders are arranged on the mounting frame. BRIEF DESCRIPTION OF DRAWINGS

[0008] The utility model will be explained through example and the mode of referring to the drawings, wherein:

[0009] Figure 1 is a left side view structure schematic diagram of the utility model;

[0010] Figure 2 is a right side view structure schematic diagram of the utility model;

[0011] Figure 3 is a partial structure schematic diagram of the utility model; Figure 1

[0012] In the figure: 1, mounting frame; 2, slide rail; 3, air cylinder; 4, rotating shaft; 5, shaft sleeve; 6, waste film winding roller; 7, storage roller; 8, straightening device; 9, straightening roller; 10, transmission wheel; 11, driving motor; 12, transmission belt; 13, push rod; 14, sliding block; 15, mounting plate; 16, film tearing guide roller. DETAILED DESCRIPTION

[0013] All features disclosed in this specification, and / or all steps of any methods or processes disclosed in this specification, can be combined in any manner, except where features or steps are mutually exclusive.

[0014] Any feature of the present specification, unless explicitly stated to the contrary, can be replaced by alternative features or equivalents.

[0015] As shown in Figure 1 , 3 a film tearing device for coiled material, comprising a mounting frame 1, the right side of the mounting frame 1 is provided with a straightening device 8, characterized in that two slide rails 2 are installed in parallel on the straightening device 8, a sliding block 14 is installed on each of the two slide rails 2, a mounting plate 15 is installed on one side of the sliding block 14, a film tearing guide roller 16 is installed transversely between the mounting plates 15, a push rod 13 is connected to the upper end position of the mounting plate 15, an air cylinder 3 is installed at the end of the push rod 13, and the air cylinder 3 is installed on the mounting frame 1.

[0016] As shown in Figure 1 , 2 , a waste material winding roller 6 is arranged behind the film tearing guide roller 16, a rotating shaft 4 is arranged across the center of the waste material winding roller 6, the two ends of the rotating shaft 4 are installed on the mounting frame 1, an axle sleeve 5 is arranged between the rotating shaft 4 and the mounting frame 1 and the rotating shaft 4 is installed through the axle sleeve 5, a transmission wheel 10 is installed at one end of the rotating shaft 4, a transmission belt 12 is arranged on the transmission wheel 10, the other end of the transmission belt 12 is connected to a driving motor 11, and the driving motor 11 is installed on the mounting frame 1.

[0017] A plurality of storage rollers 7 are arranged obliquely and at intervals on the mounting frame 1.​

[0018] The straightening device 8 is provided with a plurality of straightening rollers 9, and the straightening rollers 9 are arranged in two rows in upper and lower positions.

[0019] In use, the film on the roll is pulled onto the film-tearing guide roller 16 by the straightening rollers 9 on the straightening device 8 when the roll reaches the rear end of the straightening device 8, and then the film is pulled from the upper end of the film-tearing guide roller 16 to the lower end of the waste film winding roller 6 behind and fixed to the waste film winding roller 6. After the film is fixed, the push rod 13 is pushed obliquely forward by the air cylinder 3, further driving the film-tearing guide roller 16 to move forward until the film-tearing guide roller 16 is on the same vertical line as the last set of straightening rollers 9 on the straightening device 8. After the roll comes out of the straightening device 8, the film on the roll is pulled vertically upward to the film-tearing guide roller 16, and then pulled to the waste film winding roller 6 through the film-tearing guide roller 16. The waste film winding roller 6 rotates under the drive of the driving motor 11, thereby continuously winding the waste film. The roll with the torn film moves obliquely downward to the storage roller 7 for storage for subsequent processing. The roll is sequentially and repeatedly torn to process the film.

[0020] The slide rail 2 and the sliding block 14 can make the film-tearing guide roller 16 move forward and backward more smoothly and stably.

[0021] The utility model discloses the beneficial effect is: the utility model discloses reasonable structure design, convenient to use, through design air cylinder pushes the film-tearing guide roller and moves forward, make the film-tearing guide roller can keep perpendicular state with the last group straightening roller of straightening device, thereby can ensure that the roll film tearing process, film is not easy to produce fracture, thereby can make the roll film tearing continue stably carries out, and the utility model discloses in the rear of film-tearing guide roller is provided with waste film winding roller, also can conveniently collect the waste film neatly.

[0022] The utility model discloses not limited to the preceding specific implementation. The utility model extends to any new feature or any new combination disclosed in the specification, and any new method or process step or any new combination disclosed.

Claims

1. A roll film tearing device, comprising a mounting frame (1), wherein a straightening device (8) is provided on the right side of the mounting frame (1), characterized in that, The straightening device (8) has two parallel slide rails (2) installed at intervals. Each slide rail (2) has a slider (14) installed on it. A mounting plate (15) is installed on one side of the slider (14). A film-tearing guide roller (16) is installed horizontally between the mounting plates (15). A push rod (13) is connected to the upper end of the mounting plate (15). A cylinder (3) is installed at the end of the push rod (13). The cylinder (3) is installed on the mounting frame (1).

2. The roll film tearing device according to claim 1, characterized in that, A waste take-up roller (6) is provided behind the film-tearing guide roller (16). A rotating shaft (4) is transversely arranged through the center of the waste take-up roller (6). Both ends of the rotating shaft (4) are mounted on the mounting frame (1). A bushing (5) is provided between the rotating shaft (4) and the mounting frame (1) and is installed through the bushing (5). A transmission wheel (10) is installed at one end of the rotating shaft (4). A transmission belt (12) is provided on the transmission wheel (10). A drive motor (11) is connected to the other end of the transmission belt (12). The drive motor (11) is mounted on the mounting frame (1).

3. The roll film tearing device according to claim 1, characterized in that, The mounting frame (1) is provided with several storage rollers (7) at inclined intervals.

4. The roll film tearing device according to claim 1, characterized in that, The straightening device (8) is provided with several straightening rollers (9), and the several straightening rollers (9) are arranged in two rows according to the upper and lower position relationship.