Cold cutting tool structure convenient for tearing composite plastic package

Abstract

The utility model discloses a cold cutting tool structure convenient for tearing a composite plastic package, which belongs to the technical field of composite packaging bag processing and comprises two frame bodies, mounting wallboards are respectively arranged on the two frame bodies, two connecting columns are arranged on the mounting wallboards on two sides to connect the two frame bodies, two movable plates are arranged on the connecting columns, and the movable plates are arranged on the two movable plates. A first adjusting piece is arranged on the mounting wall plate and is connected with one of the moving plates; a wire cutting roller and a mounting base are arranged between the two movable plates, the wire cutting roller is located above the mounting base, an air knife structure is arranged on the mounting base, a cold cutting tool used for cutting is arranged on the air knife structure, the knife face of the cold cutting tool faces the wire cutting roller, and a film is released from the unwinding station and passes through the wire cutting roller. The air knife structure is pressed down, so that the thin film is pressed on the wire cutting roller by the cold cutting tool for cutting; the position of the movable plate is adjusted through the first adjusting piece, so that the position adjustment of the wire cutting roller and the mounting base is achieved, the position fine adjustment of the whole cutter is achieved, and cutting adjustment with different requirements is met.

Description

Technical Field

[0001] The utility model relates to the technical field of composite packaging bag processing, in particular to a cold cutting tool structure for facilitating the tearing of composite plastic packaging. Background Art

[0002] Composite plastics are usually a new type of material formed by combining two or more different types of plastics through a certain process method. Composite plastics are usually used in the packaging industry, the automotive industry, the electronic and electrical industry, etc. In the packaging industry, composite plastic packaging bags utilize the combination of the barrier properties, printing properties, and heat-sealing properties of different plastics to meet the packaging requirements of various products such as sanitary products, food, medicine, and cosmetics.

[0003] The composite plastic packaging bag for sanitary napkins is a plastic product used to package sanitary napkins. In order to improve the convenience of use for users, a tear line is usually processed on the composite plastic packaging bag to facilitate the user to take out the items in the packaging bag. In the prior art, there are usually two ways to produce the tear line of the sanitary napkin packaging bag. One is to cut it with a cold cutting tool, and the other is to cut a tear line on the packaging bag using laser technology to form a tear opening. After the existing cold cutting tool equipment fixes the tool, it is difficult to adjust the position of the tool, and the adjustment difficulty is large. If fine adjustment of the position of the tool is required, it often needs to be disassembled and reinstalled, with complex operations and large debugging difficulties. Summary of the Utility Model

[0004] The main purpose of the utility model is to provide a cold cutting tool structure for facilitating the tearing of composite plastic packaging, aiming to solve the problems proposed in the above background, and capable of finely adjusting the position of the tool, with simple and convenient operations.

[0005] To achieve the above purpose, the utility model proposes a cold cutting tool structure for facilitating the tearing of composite plastic packaging, including two frames. Installation wallboards are respectively arranged on the two frames, and two connecting columns are arranged on the installation wallboards on both sides to connect the two frames. Two moving plates are arranged on the connecting columns. A first adjusting member is arranged on the installation wallboard, and the first adjusting member is connected to one of the moving plates. A tangent roller and an installation base are arranged between the two moving plates. The tangent roller is located above the installation base. An air knife structure is arranged on the installation base, and a cold cutting tool for cutting is arranged on the air knife structure. The cutting surface of the tool faces the tangent roller. The film is released from the unwinding station and passes through the tangent roller. The air knife structure is pressed down so that the cold cutting tool presses the film on the tangent roller for cutting. Further, by rotating the first adjusting member, the position of the moving plate is adjusted, so as to realize the position adjustment of the tangent roller and the installation base, and realize the fine adjustment of the position of the overall tool to meet the cutting adjustment requirements of different needs.

[0006] Optionally, fixing plates are provided on both of the moving plates, a cross bar is provided between the fixing plates on both sides to connect the two, the mounting base is slidably mounted on the cross bar, a second adjusting member is provided on one of the fixing plates, and the second adjusting member is connected to the side wall of the mounting base.

[0007] Optionally, a boss is provided on the mounting base, a fixing block is provided on the boss, the second adjusting member is connected to the mounting base through the fixing block, and internal threads are provided in the fixing block, external threads are provided on the second adjusting member, and the two are connected by threads. Further, by rotating the second adjusting member, the position of the mounting base is adjusted, the position between the air knife structure and the tangent roller 30 is adjusted, and the tear lines at different positions of the film are cut as required.

[0008] Optionally, a protection frame is provided on the side wall of the moving plate, a connecting shaft is provided in the protection frame, and a driving motor is provided on the side wall of the protection frame, and the driving motor is connected to the tangent roller through the connecting shaft.

[0009] Optionally, the air knife structure includes a first locking base, a mounting table and a tool housing, the first locking base is mounted on the mounting base, the mounting table is fixedly connected to the top of the first locking base, and the tool housing is movably mounted on the mounting table.

[0010] Optionally, baffles are provided on both sides of the mounting table, there is a distance between the baffles on both sides, and the tool housing is located between the baffles on both sides.

[0011] Optionally, position adjusting members are respectively provided on the baffles on both sides, and the position adjusting members on both sides respectively abut against the tool housing. Further, the position adjusting members on both sides abut against the tool housing to fix and position the tool housing. By adjusting the position adjusting members on both sides, the position of the tool housing can be finely adjusted, and the position of the blade can be adjusted to adapt to the cutting adjustment at different positions.

[0012] Optionally, an air port is provided on the tool housing, and the air port is connected to an external compressor through an air pipe.

[0013] Optionally, a rotating roller is further provided between the moving plates on both sides, the rotating roller is located below the tangent roller, and the two are in different longitudinal planes. Further, the tension of the film is increased to ensure that the film can move forward smoothly.

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

[0015] The cold cutting tool structure for facilitating the tearing of composite plastic packaging according to the technical solution of the present utility model is provided with two frames. Mounting wall panels are respectively arranged on the two frames. Two connecting columns are arranged on the mounting wall panels on both sides to connect the two frames. Two moving plates are arranged on the connecting columns. A first adjusting member is arranged on the mounting wall panel, and the first adjusting member is connected to one of the moving plates;

[0016] A tangent roller and a mounting base are arranged between the two moving plates. The tangent roller is located above the mounting base. An air knife structure is arranged on the mounting base. A cold cutting tool for cutting is arranged on the air knife structure. The cutting surface of the tool faces the tangent roller. The film is released from the unwinding station and passes through the tangent roller. The air knife structure is pressed down so that the cold cutting tool presses the film on the tangent roller for cutting. By rotating the first adjusting member, the position of the moving plate is adjusted, so as to realize the position adjustment of the tangent roller and the mounting base, and realize the fine adjustment of the position of the overall tool to meet the cutting adjustment requirements of different needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on the structures shown in these drawings.

[0018] Figure 1 It is a schematic structural diagram of an embodiment of the cold cutting tool structure for facilitating the tearing of composite plastic packaging according to the present utility model;

[0019] Figure 2 It is a top view of an embodiment of the cold cutting tool structure for facilitating the tearing of composite plastic packaging according to the present utility model;

[0020] Figure 3 For Figure 1 The detailed enlarged view of part A in

[0021] Explanation of the reference numerals in the drawings:

[0022]

[0023]

[0024] The realization of the purpose, functional characteristics and advantages of the present utility model will be further described with reference to the embodiments and the drawings. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0026] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present utility model are only used to explain the relative positional relationship and movement conditions between components in a specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.

[0027] In addition, the descriptions involving "first", "second", etc. in the present utility model are only for descriptive purposes, and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present utility model.

[0028] The present utility model provides a cold cutting tool structure 100 for facilitating the tearing of composite plastic packaging.

[0029] Please refer to Figures 1 - 3 , in an embodiment of the present utility model, the cold cutting tool structure 100 for facilitating the tearing of composite plastic packaging includes two frames 10. Installation wallboards 11 are respectively provided on the two frames 10. Two connecting columns 12 are provided on the installation wallboards 11 on both sides to connect the two frames 10. Two moving plates 20 are provided on the connecting column 12. A first adjusting member 13 is provided on the installation wallboard 11. The first adjusting member 13 is connected to one of the moving plates 20, and the position of the moving plate 20 can be adjusted by rotating the first adjusting member 13;

[0030] A tangent roller 30 and an installation base 31 are provided between the two moving plates 20. The tangent roller 30 is located above the installation base 31. An air knife structure 50 is provided on the installation base 31. A cold cutting tool for cutting is provided on the air knife structure 50. The cutting surface of the tool faces the tangent roller 30. The film is released from the unwinding station and passes through the tangent roller 30. The air knife structure 50 is pressed down so that the cold cutting tool presses the film on the tangent roller 30 for cutting.

[0031] In this embodiment, the two frame bodies 10 are placed and fixed on one side of the unwinding station. The material of the two frame bodies 10 is steel structure. The mounting wall plate 11 is made of steel plate and welded on the frame body 10. The tangent roller 30 is a high-hardness steel roller. A protective frame 14 is provided on the side wall of the moving plate 20. A connecting shaft 15 is provided inside the protective frame 14. A driving motor 16 is provided on the side wall of the protective frame 14. The driving motor 16 is connected to the tangent roller 30 through the connecting shaft 15. The driving motor 16 drives the tangent roller 30 to rotate, so that the film can continuously advance along with the rotation of the tangent roller 30. Among them, the driving motor 16 is a Mitsubishi 2KW servo motor.

[0032] Among them, the cylindrical rod of the first adjusting member 13 has external threads, and the hole position on the moving plate 20 connected to the first adjusting member 13 has internal threads. The two are connected by threads. It can be understood that the first adjusting member 13 is fixedly installed on the mounting wall plate 11 and can rotate. By rotating the first adjusting member 13, the position of the moving plate 20 is adjusted. For example, when the first adjusting member 13 is rotated clockwise, the moving plate 20 moves to the right along the connecting column 12. On the contrary, when the first adjusting member 13 is rotated counterclockwise, the moving plate 20 moves to the left along the connecting column 12, so as to realize the fine adjustment of the position of the tangent roller 30, so that the film unwound from the unwinding roller can completely pass through the tangent roller 30, avoiding the cutting position not conforming to the set position due to position deviation.

[0033] Among them, a bearing 23 is provided in the hole position of the moving plate 20 where the tangent roller 30 is installed. The bearing 23 can be a common ball bearing, which reduces the friction between the tangent roller 30 and the moving plate 20, reduces wear, and improves the rotation smoothness.

[0034] In an embodiment of the present invention, fixing plates 21 are provided on both of the two moving plates 20. A cross bar 22 is provided between the fixing plates 21 on both sides to connect the two. The mounting base 31 is slidably installed on the cross bar 22. A second adjusting member 40 is provided on one of the fixing plates 21. The second adjusting member 40 is connected to the side wall of the mounting base 31.

[0035] In this embodiment, the number of the air knife structures 50 is three. The three air knife structures 50 are arranged at intervals on the mounting base 31 to cut the film simultaneously. The fixing plate 21 is made of steel plate and is connected to the moving plate 20 by screws. The cross bar 22 is made of stainless steel and is perpendicularly connected to the fixing plates 21 on both sides. Among them, a boss 32 is provided on the mounting base 31, and a fixing block 33 is provided on the boss 32. The second adjusting member 40 is connected to the mounting base 31 through the fixing block 33. The fixing block 33 has internal threads, and the second adjusting member 40 has external threads, and the two are connected by threads.

[0036] It can be understood that, similar to the principle of adjusting the position of the moving plate 20 as described above, when the second adjusting member 40 is rotated clockwise, the mounting base 31 moves to the right along the cross bar 22, and when the second adjusting member 40 is rotated counterclockwise, the mounting base 31 moves to the left along the cross bar 22, so as to realize fine adjustment of the position of the air knife structure 50 and adjust the cutting position of the cold cutting tool to adapt to the cutting of the tear line at different positions.

[0037] In an embodiment of the present utility model, the air knife structure 50 includes a first locking base 51, a mounting table 52 and a tool housing 53. The first locking base 51 is mounted on the mounting base 31. The mounting table 52 is fixedly connected to the top of the first locking base 51. The tool housing 53 is movably mounted on the mounting table 52. Baffles 54 are provided on both sides of the mounting table 52, and there is a distance between the two baffles 54 on both sides. The tool housing 53 is located between the two baffles 54 on both sides. Position adjusting members 55 are respectively provided on the two baffles 54 on both sides, and the two position adjusting members 55 on both sides respectively abut against the tool housing 53 to position the tool housing.

[0038] In this embodiment, a cold cutting tool is installed in the tool housing 53. The cold cutting tool is an existing pneumatic tool. By introducing compressed air into the tool head, the blade is driven to vibrate at a high frequency, so as to realize the cutting of the material. An air port 56 is provided on the tool housing 53, and the air port 56 is connected to an external compressor through an air pipe to provide compressed air for the tool head in the tool housing 53.

[0039] It can be understood that the position adjusting member 55 is threadedly connected to the baffle 54. By the position adjusting members 55 on both sides abutting against the tool housing 53, the tool housing 53 is fixed and positioned. When the position adjusting member 55 on the left side retracts inward and the position adjusting member 55 on the right side retracts outward, the tool housing 53 moves to the right along with the position adjusting member 55 on the left side; conversely, when the position adjusting member 55 on the left side retracts outward and the position adjusting member 55 on the right side retracts inward, the tool housing 55 moves to the left along with the position adjusting member 55 on the right side, enabling fine adjustment of the position of the tool housing 53, adjusting the position of the blade, so as to adapt to cutting adjustments at different positions, and the operation is simple and convenient.

[0040] Meanwhile, the first locking base 51 is fixed to the mounting base 31 by tightening screws, and the position of the air knife structure 50 can be adjusted by loosening the screws on the first locking base 51 to adapt to cutting adjustments at different positions.

[0041] A second locking base 60 is further provided on the mounting base 31. Similarly, by tightening the screws on the second locking base 60, the mounting base 31 is fixedly connected to the cross bar 22, preventing movement during processing. When fine adjustment of the position is required, the screws on the second locking base 60 are loosened for adjustment.

[0042] In an embodiment of the present invention, a rotating roller 70 is further provided between the moving plates 20 on both sides. The rotating roller 70 is located below the tangent roller 30, and the two are in different longitudinal planes.

[0043] In this embodiment, the rotating roller 70 is a high-hardness steel roller, offset from the tangent roller 30 in the longitudinal direction, increasing the tension on the film and ensuring the smooth advancement of the film.

[0044] Working principle: After the film is unrolled from the unrolling station and passes through the tangent roller 30, driven by the drive motor 16, the film can advance along with the tangent roller 30. After adjusting the position of the air knife structure 50 and connecting to an external compressor, the air knife structure 50 is pressed down so that the cold cutting tool presses the film against the tangent roller 30 for cutting;

[0045] When fine adjustment of the tool is required, the position of the moving plate 20 is adjusted by rotating the first adjusting member 13, thereby realizing the position adjustment of the tangent roller 30 and the mounting base 31, and realizing the fine adjustment of the position of the overall tool; by rotating the second adjusting member 40, the position of the mounting base 31 is adjusted, adjusting the position between the air knife structure 50 and the tangent roller 30, and cutting the tear line at different positions of the film as required; the position of the air knife structure 50 can also be individually adjusted by loosening the screws on the first locking base 51; to adapt to cutting operations with different requirements.

[0046] The above are only the preferred embodiments of the present utility model, and thus do not limit the patent scope of the present utility model. Any equivalent structural transformation made under the inventive concept of the present utility model by using the content of the specification and drawings of the present utility model, or any direct / indirect application in other related technical fields shall be included within the patent protection scope of the present utility model.

Claims

1. A cold cutting tool structure for facilitating the tearing of a composite plastic package, characterized in that, It includes two frame bodies. Installation wallboards are respectively provided on the two frame bodies. Two connecting columns are provided on the installation wallboards on both sides to connect the two frame bodies. Two moving plates are provided on the connecting columns. A first adjusting member is provided on the installation wallboard, and the first adjusting member is connected to one of the moving plates. A tangent roller and an installation base are provided between the two moving plates. The tangent roller is located above the installation base. An air knife structure is provided on the installation base. A cold cutting tool for cutting is provided on the air knife structure. The cutting surface of the tool faces the tangent roller. The film is released from the unwinding station and passes through the tangent roller. The air knife structure is pressed down so that the cold cutting tool presses the film on the tangent roller for cutting.

2. The cold cutting tool structure for facilitating the tearing of a composite plastic package according to claim 1, wherein: Fixing plates are provided on both of the two moving plates. A cross bar is provided between the fixing plates on both sides to connect the two. The installation base is slidably installed on the cross bar. A second adjusting member is provided on one of the fixing plates, and the second adjusting member is connected to the side wall of the installation base.

3. The cold cutting tool structure for facilitating the tearing of a composite plastic package according to claim 2, wherein: A boss is provided on the installation base, and a fixing block is provided on the boss. The second adjusting member is connected to the installation base through the fixing block. And the fixing block has internal threads, and the second adjusting member has external threads, and the two are connected by threads.

4. The cold cutting tool structure for facilitating the tearing of a composite plastic package according to claim 1, wherein: A protection frame is provided on the side wall of the moving plate. A connecting shaft is provided inside the protection frame. A driving motor is provided on the side wall of the protection frame, and the driving motor is connected to the tangent roller through the connecting shaft.

5. The cold cutting tool structure for facilitating the tearing of a composite plastic package according to claim 1, characterized in that: The air knife structure includes a first locking base, an installation table and a tool housing. The first locking base is installed on the installation base. The installation table is fixedly connected to the top of the first locking base. The tool housing is movably installed on the installation table.

6. The cold cutting tool structure for facilitating the tearing of a composite plastic package according to claim 5, characterized in that: Baffles are provided on both sides of the installation table. There is a distance between the two baffles on both sides. The tool housing is located between the two baffles on both sides.

7. The cold cutting tool structure for facilitating the tearing of a composite plastic package according to claim 6, characterized in that: Position adjusting members are respectively provided on the two baffles on both sides, and the two position adjusting members on both sides respectively abut against the tool housing.

8. The cold cutting tool structure for facilitating the tearing of a composite plastic package according to claim 6, characterized in that: An air port is provided on the tool housing, and the air port is connected to an external compressor through an air pipe.

9. The cold cutting tool structure for facilitating the tearing of a composite plastic package according to claim 1, wherein: A rotating roller is also provided between the two moving plates on both sides. The rotating roller is located below the tangent roller, and they are in different longitudinal planes.

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