Film slitting and cutting device

Abstract

The utility model discloses a film slitting and cutting device which comprises two symmetrical linear modules, the side where any linear module is located is arranged as a driving side, the other side is arranged as an operating side, a first moving seat is installed on each linear module, an inner cutter device is installed at the inner side end of each first moving seat, and each inner cutter device comprises an inner air cylinder. The output end of the inner air cylinder is provided with an inner cutter assembly, the front side of the inner cutter assembly is provided with a cutting roller, the linear module is matched with all the cutter devices so that films of different widths can be cut, film slitting cutting is achieved, the production efficiency can be improved, and the production requirement can be met.

Description

Technical Field

[0001] The utility model relates to the technical field of tire processing equipment, in particular to a film strip cutting device. Background Art

[0002] Tires are the components of automobiles that come into direct contact with the ground. They are typically mounted on metal rims and support the vehicle body, cushioning external impacts, ensuring contact with the road surface, and ensuring the vehicle's driving performance. Their performance directly impacts the vehicle's safety. During the tire molding process, a film, serving as an inner liner, must be cut and molded into affixed to the tire. The inner liner film is designed to be located at the inner end of the ladle, and the quality of the inner liner film significantly impacts the quality of the tire's bead area. Prior art, such as patent CN217434432U, discloses a film cutting device comprising a frame, two guide shafts, a movable pressure plate, a lead screw, and a cutter. The cutter is connected to the lead screw via a nut. The lead screw drives the nut, which drives the cutter in a linear motion along the lead screw. While the cutter or cutter frame is not easily deformed, it is difficult to adjust to cut films of varying widths, hindering further improvements in production efficiency and meeting production needs. Utility Model Content

[0003] The purpose of the present invention is to overcome the above-mentioned defects or problems in the background technology and provide a film strip cutting device.

[0004] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0005] A film strip cutting device includes two symmetrically arranged linear modules, where one side of the linear module is arranged as a driving side and the other side is arranged as an operating side for easy operation. A first movable seat is installed on the linear module, which drives the first movable seat to move under the action of the linear module. An internal cutting knife device is installed on the inner end of the first movable seat. The internal cutting knife device includes an inner cylinder, which is fixedly installed on the first movable seat. An inner tool assembly is installed on the output end of the inner cylinder, and a cutting roller is arranged on the front side of the inner tool assembly.

[0006] In certain embodiments of the present invention, a 45° angle is set between the cutter of the inner cutter assembly and the cutting roller.

[0007] In certain embodiments of the present invention, the linear module adopts a ball screw, the ball screw is driven by a first driving device, and the first movable seat is correspondingly configured as a ball screw nut.

[0008] In some embodiments of the present invention, the first driving device is a servo motor.

[0009] In certain embodiments of the present invention, an external cutter device is arranged on one side of the internal cutter device, and the external cutter device is installed on the first movable seat.

[0010] In certain embodiments of the present invention, the external cutting knife device includes a disc knife screw, which is driven by a second driving device. The disc knife screw is installed with an external cylinder through a tool moving seat, and a disc knife assembly is arranged at the output end of the external cylinder.

[0011] In certain embodiments of the present invention, the disc cutter screw is arranged along the length direction of the first movable seat.

[0012] In certain embodiments of the present invention, the second driving device is arranged on a side away from the inner cutter device, and the output end of the second driving device faces the inner cutter device.

[0013] In certain embodiments of the present invention, the disc cutter assembly and the inner cutter assembly are arranged in parallel.

[0014] From the above description of the present invention, it can be seen that compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The linear module cooperates with each cutting device to cut films of different widths and realize film strip cutting, which helps to improve production efficiency and meet production needs; at the same time, each cutting device operates smoothly, which is conducive to ensuring the quality of film cutting.

[0016] 2. The cutting position of the rubber strip can be adjusted unilaterally on the driving side or the operating side, or the cutting position of the rubber strips on both sides can be adjusted as a whole. The structure is simple and easy to operate.

[0017] 3. A 45° angle is set between the cutter of the inner cutter assembly and the cutting roller to facilitate film cutting. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are 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 work.

[0019] Figure 1 This is a schematic diagram of Example 1 of the present utility model;

[0020] Figure 2 This is a schematic diagram of Example 2 of the present utility model;

[0021] Figure 3 This is a schematic diagram of the installation of the external cutting knife device of the utility model;

[0022] Figure 4 It is a schematic diagram of the external cutting knife device of the present invention;

[0023] Description of main reference numerals:

[0024] 1. Linear module, 10. Ball screw, 11. Ball screw nut, 12. First drive unit, 2. Cutting roller, 3. Internal cutter device, 30. Internal cylinder, 31. Internal support, 32. Internal tool assembly, 4. External cutter device, 40. Disc cutter screw, 41. Second drive unit, 42. Tool moving seat, 43. External cylinder, 44. Disc cutter assembly. DETAILED DESCRIPTION

[0025] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are preferred embodiments of the present invention and should not be regarded as excluding other embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0026] In the claims, description and the above-mentioned drawings of the present utility model, unless otherwise clearly defined, the use of terms such as "first", "second" or "third" is to distinguish different objects rather than to describe a specific order.

[0027] In the claims, specification and the above-mentioned drawings of the present utility model, unless otherwise expressly defined, directional words, such as the terms "center", "transverse", "longitudinal", "horizontal", "vertical", "top", "bottom", "inside", "outside", "up", "down", "front", "back", "left", "right", "clockwise", "counterclockwise" and the like, indicating directions or positional relationships are based on the directions and positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the specific protection scope of the present utility model.

[0028] In the claims, specification and the above drawings of the present utility model, unless otherwise clearly defined, if the terms "fixed connection" or "fixed connection" are used, they should be understood in a broad sense, that is, any connection method without any displacement relationship and relative rotation relationship between the two parties, that is to say, including non-detachable fixed connection, detachable fixed connection, integral connection and fixed connection through other devices or elements.

[0029] In the claims, description and drawings of the present utility model, if the terms "include", "have" and their variations are used, they are intended to mean "including but not limited to".

[0030] Example 1, see Figure 1 :

[0031] A film strip cutting device includes two symmetrically arranged linear modules 1. The side on which one linear module 1 is located is configured as the driving side, while the other side is configured as the operating side. A first movable seat is mounted on the linear module 1, capable of moving along a straight line on the linear module 1. An internal cutter device 3 is mounted on the inner side of the top of the first movable seat, such that the internal cutter devices 3 on both sides are adjacent. The internal cutter device 3 includes an internal cylinder 30, which is fixedly mounted on the first movable seat via an internal support 31. An internal cutter assembly 32 is mounted on the output end of the internal cylinder 30. A cutting roller 2 is disposed in front of the internal cutter assembly 32. The internal cylinder 30 drives the internal cutter assembly 32 toward or away from the cutting roller 2 to cut the film.

[0032] As an embodiment, the linear module 1 on the left is arranged as the driving side, and the other side is arranged as the operating side.

[0033] As an embodiment, a 45° angle is set between the cutter of the inner cutter assembly 32 and the cutting roller 2 to facilitate film cutting.

[0034] In one embodiment, the linear module 1 utilizes a ball screw 10, which is driven by a first drive device 12. The first movable seat is correspondingly provided as a ball screw nut 11. The first drive device 12 drives the ball screw 10, causing the inner cutter device 3 on the ball screw nut 11 to move under the drive of the ball screw 10, thereby adjusting the film cutting width. Preferably, the first drive device 12 is a servo motor, and the top of the ball screw nut 11 is provided with a platform portion for convenient placement of the inner cutter device 3. It is understood that when the ball screw nuts 11 move to the end of their travel, the ball screw nuts 11 on both sides do not contact each other, preventing them from colliding.

[0035] Example 2, see Figure 2-4 :

[0036] A film strip cutting device includes two symmetrically arranged linear modules 1. One side of the linear module 1 is configured as the drive side, while the other side is configured as the operating side. A first movable seat is mounted on the linear module 1, capable of linear movement along the linear module 1. An internal cutter device 3 is mounted on the inner end of the top of the first movable seat, such that the internal cutter devices 3 on both sides are adjacent. The internal cutter device 3 includes an internal cylinder 30. An internal cutter assembly 32 is mounted on the output end of the internal cylinder 30. A cutting roller 2 is positioned in front of the internal cutter assembly 32. The internal cylinder 30 drives the internal cutter assembly 32 toward or away from the cutting roller 2, thereby achieving film cutting.

[0037] An outer cutter device 4 is arranged on one side of the inner cutter device 3. The outer cutter device 4 is installed on the first movable seat. The outer cutter devices 4 on both sides cooperate with the corresponding inner cutter devices 3 to achieve the output of multiple films with different widths.

[0038] As an embodiment, the external cutter device 4 includes a disc cutter screw 40, which is driven by a second drive device 41. The disc cutter screw 40 is installed with an external cylinder 43 through a tool moving seat 42. A disc cutter assembly 44 is arranged at the output end of the external cylinder 43. The disc cutter screw 40 is convenient for adjusting the film cutting width. The external cutter device 4 cooperates with the internal cutter device 3 to realize strip cutting of the film.

[0039] As an embodiment, the disc cutter screw 40 is arranged along the length direction of the first movable seat.

[0040] As an embodiment, the second driving device 41 is arranged on a side away from the inner cutter device 3 , and the output end of the second driving device 41 faces the inner cutter device 3 .

[0041] As an embodiment, the disc knife assembly 44 and the inner cutter assembly 32 are arranged in parallel to facilitate cutting of the film.

[0042] As an embodiment, the disc cutter of the disc cutter assembly 44 is connected to a cutter driving device, and the cutter driving device drives the disc cutter to rotate and cut.

[0043] The above description and embodiments are used to explain the scope of protection of the utility model, but do not constitute a limitation on the scope of protection of the utility model. Based on the enlightenment of the utility model or the above embodiments, modifications, equivalent replacements, or other improvements to the embodiments of the utility model or part of the technical features thereof that can be obtained by ordinary technicians in this field through logical analysis, reasoning, or limited experiments in combination with common knowledge, ordinary technical knowledge in this field and / or existing technology should be included in the scope of protection of the utility model.

Claims

1. A film strip cutting device, characterized by: The invention comprises two symmetrically arranged linear modules (1), wherein the side where one linear module (1) is located is arranged as a driving side, and the other side is arranged as an operating side. A first movable seat is installed on the linear module (1), and an inner cutter device (3) is installed at the inner end of the first movable seat. The inner cutter device (3) comprises an inner cylinder (30), which is fixedly installed on the first movable seat. An inner tool assembly (32) is installed at the output end of the inner cylinder (30), and a cutting roller (2) is arranged at the front side of the inner tool assembly (32).

2. The film strip cutting device according to claim 1, characterized in that: An angle of 45° is set between the cutter of the inner cutter assembly (32) and the cutting roller (2).

3. The film strip cutting device according to claim 1, characterized in that: The linear module (1) adopts a ball screw (10), the ball screw (10) is driven by a first driving device (12), and the first movable seat is correspondingly configured as a ball screw nut (11).

4. The film strip cutting device according to claim 3, characterized in that: The first driving device (12) is a servo motor.

5. A film strip cutting device according to any one of claims 1 to 4, characterized in that: An external cutter device (4) is arranged on one side of the internal cutter device (3), and the external cutter device (4) is installed on the first movable seat.

6. The film strip cutting device according to claim 5, characterized in that: The external cutting knife device (4) comprises a disc knife screw (40), which is driven by a second driving device (41). The disc knife screw (40) is installed with an external cylinder (43) through a tool moving seat (42), and a disc knife assembly (44) is arranged at the output end of the external cylinder (43).

7. The film strip cutting device according to claim 6, characterized in that: The disc cutter screw (40) is arranged along the length direction of the first movable seat.

8. The film strip cutting device according to claim 7, characterized in that: The second driving device (41) is arranged on a side away from the inner cutter device (3), and the output end of the second driving device (41) faces the inner cutter device (3).

9. The film strip cutting device according to claim 6, characterized in that: The disc cutter assembly (44) and the inner cutter assembly (32) are arranged in parallel.

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