Film cutter mechanism with automatic limiting function

Abstract

The film cutter mechanism with the automatic limiting function comprises a supporting frame, the outer side of the supporting frame is fixedly connected with a fixing frame, a motor is arranged at the position of a center shaft of the top of the fixing frame, the output end of the motor is fixedly connected with a lead screw, the surface of the lead screw is in threaded connection with a threaded sleeve, and the surface of the threaded sleeve is in threaded connection with a rotating shaft. A rectangular rod is fixedly connected to the bottom of the threaded sleeve, a sliding sleeve is slidably connected to the surface of the rectangular rod, a connecting column is fixedly connected to the bottom of the sliding sleeve, and a movable rod is movably connected to the top of the surface of the connecting column. By arranging the supporting frame, the fixed frame, the motor, the lead screw, the threaded sleeve, the rectangular rod, the sliding sleeve, the connecting column, the movable rod, the fixed column, the movable plate, the first adjusting cutter, the connecting rod, the vertical column, the adjusting column, the second adjusting cutter and the fixed cutter, the distance between the cutters can be conveniently and automatically adjusted, and the adjusted distances are the same; and meanwhile, self-locking can be performed after adjustment, so that the cutter is stable.

Description

Technical Field

[0001] The utility model relates to the technical field of film cutters, in particular to a film cutter mechanism with an automatic limiting function. Background Art

[0002] Common films in life include polyethylene films used in industry and agriculture, as well as cling film used in daily life. Most of them refer to plastic films made of polyethylene material, which are made by hot pressing polyethylene particles. The existing polyethylene film is produced by hot pressing dry polyethylene particles. After production, it is air-cooled to shape, and then cut into rolls by special cutters to form finished products.

[0003] The existing film cutter mechanism is manually adjusted in the process of use, which means that each adjustment needs to measure the distance between two adjacent cutters, which makes the adjustment process very cumbersome, time-consuming and labor-intensive, affects the work progress, and cannot meet the use requirements. Therefore, we propose a film cutter mechanism with automatic limit function. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a film cutter mechanism with an automatic limit function, which has the advantage of automatically adjusting the limit and solves the problem that the position of the cutter in the existing film cutter mechanism has to be manually adjusted during use, resulting in the need to measure the distance between two adjacent cutters each time the adjustment is made, which makes the adjustment process very cumbersome, time-consuming and labor-intensive, affects the work progress, and cannot meet the use requirements.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a film cutting mechanism with an automatic limiting function, comprising a support frame, a fixed frame is fixedly connected to the outer side of the support frame, a motor is arranged at the central axis of the top of the fixed frame, a screw rod is fixedly connected to the output end of the motor, a threaded sleeve is threadedly connected to the surface of the screw rod, a rectangular rod is fixedly connected to the bottom of the threaded sleeve, a sliding sleeve is slidably connected to the surface of the rectangular rod, a connecting column is fixedly connected to the bottom of the sliding sleeve, a movable rod is movably connected to the top of the surface of the connecting column, a fixed column is movably connected to one side of the movable rod, the top of the fixed column is fixedly connected to the fixed frame, a movable plate is movably connected to the bottom of the surface of the connecting column, a first adjusting knife is fixedly connected to the bottom of the movable plate, a connecting rod is movably connected to the central axis of the surface of the connecting column, a vertical column is movably connected to one side of the connecting rod, an adjusting column is fixedly connected to the bottom of the adjusting column, a second adjusting knife is fixedly connected to the inside of the first adjusting knife.

[0006] Preferably, a roller is movably connected to the front side of the inner wall of the support frame, elastic telescopic rods are fixedly connected to both sides of the top of the fixed frame, a pressure plate is fixedly connected to the bottom of the elastic telescopic rod, a bracket is fixedly connected to the bottom of the pressure plate, and a pressure roller is movably connected to one side of the bracket.

[0007] Preferably, one side of the motor is fixedly connected to a fixing seat, and one side of the fixing seat is fixedly connected to a fixing frame.

[0008] Preferably, the inner cavities of the movable plate and the adjusting column are both slidably connected to a prism, and both sides of the prism are fixedly connected to the support frame.

[0009] Preferably, the top of the fixed knife is fixedly connected to a rectangular column, and the top of the rectangular column is fixedly connected to the fixed frame.

[0010] Preferably, both sides of the roller shaft are movably connected to the support frame through a first bearing, and both sides of the pressure roller are movably connected to the support frame through a second bearing.

[0011] Compared with the prior art, the utility model provides a film cutting mechanism with an automatic limiting function, which has the following beneficial effects:

[0012] 1. The utility model is convenient for automatically adjusting the spacing between the cutters by arranging a support frame, a fixed frame, a motor, a screw rod, a threaded sleeve, a rectangular rod, a sliding sleeve, a connecting column, a movable rod, a fixed column, a movable plate, a first adjusting knife, a connecting rod, a vertical column, an adjusting column, a second adjusting knife and a fixed knife, and the spacing is made the same after adjustment. At the same time, the cutter can be self-locked after adjustment to make it stable.

[0013] 2. The utility model provides a roller shaft, an elastic telescopic rod, a pressure plate, a bracket and a pressure roller, so as to limit the film so that the film will not tilt during the feeding process, thereby ensuring uniform cutting. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the movable rod of the utility model.

[0017] In the figure: 1. support frame; 2. fixed frame; 3. motor; 4. screw rod; 5. threaded sleeve; 6. rectangular rod; 7. sliding sleeve; 8. connecting column; 9. movable rod; 10. fixed column; 11. movable plate; 12. first adjusting knife; 13. connecting rod; 14. vertical column; 15. adjusting column; 16. second adjusting knife; 17. fixed knife; 18. roller shaft; 19. elastic telescopic rod; 20. pressure plate; 21. bracket; 22. pressure roller. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0020] Embodiment 1:

[0021] See also Figure 1 , Figure 2 and Figure 3As shown, the utility model provides a film cutting mechanism with an automatic limiting function, including a support frame 1, a fixed frame 2 is fixedly connected to the outer side of the support frame 1, a motor 3 is arranged at the central axis of the top of the fixed frame 2, a screw rod 4 is fixedly connected to the output end of the motor 3, a threaded sleeve 5 is threadedly connected to the surface of the screw rod 4, a rectangular rod 6 is fixedly connected to the bottom of the threaded sleeve 5, a sliding sleeve 7 is slidably connected to the surface of the rectangular rod 6, a connecting column 8 is fixedly connected to the bottom of the sliding sleeve 7, a movable rod 9 is movably connected to the top of the surface of the connecting column 8, a fixed column 10 is movably connected to one side of the movable rod 9, the top of the fixed column 10 is fixedly connected to the fixed frame 2, the bottom of the surface of the connecting column 8 is movably connected to a movable plate 11, and the bottom of the movable plate 11 is fixed A first adjusting knife 12 is connected, a connecting rod 13 is movably connected to the central axis of the surface of the connecting column 8, a vertical column 14 is movably connected to one side of the connecting rod 13, an adjusting column 15 is fixedly connected to the bottom of the vertical column 14, a second adjusting knife 16 is fixedly connected to the bottom of the adjusting column 15, a fixed knife 17 is arranged on the inner side of the first adjusting knife 12, the fixed knife 17 is fixedly connected to the fixed frame 2 through a connecting seat, a fixed seat is fixedly connected to one side of the motor 3, and one side of the fixed seat is fixedly connected to the fixed frame 2, the inner cavities of the movable plate 11 and the adjusting column 15 are both slidably connected to a prism, and both sides of the prism are fixedly connected to the support frame 1, the top of the fixed knife 17 is fixedly connected to a rectangular column, and the top of the rectangular column is fixedly connected to the fixed frame 2.

[0022] The specific function of this technical solution is as follows: start the motor 3, the motor 3 drives the screw rod 4 to rotate, the screw rod 4 drives the threaded sleeve 5 to move, the threaded sleeve 5 drives the rectangular rod 6 to move, the rectangular rod 6 drives the sliding sleeve 7 to move, the sliding sleeve 7 drives the connecting column 8 to move, and through the cooperation of the movable rod 9 and the fixed column 10, the connecting column 8 rotates with the fixed column 10 as the center, thereby driving the movable plate 11 to move, and the movable plate 11 drives the first adjusting knife 12 to move, thereby adjusting the distance between the fixed knife 17 and the first adjusting knife 12, and the connecting column 8 will also drive the connecting rod 13 to move, the connecting rod 13 drives the vertical column 14 to move, the vertical column 14 drives the adjusting column 15 to move, and the adjusting column 15 drives the second adjusting knife 16 to move, thereby adjusting the distance between the first adjusting knife 12 and the second adjusting knife 16, and after adjustment, it is affected by the self-locking of the screw rod 4 and the threaded sleeve 5, so that the cutting knife can work stably.

[0023] Embodiment 2:

[0024] On the basis of embodiment 1, the present invention is as follows Figure 1 and Figure 2As shown, a roller shaft 18 is movably connected to the front side of the inner wall of the support frame 1, elastic telescopic rods 19 are fixedly connected to both sides of the top of the fixed frame 2, a pressure plate 20 is fixedly connected to the bottom of the elastic telescopic rod 19, a bracket 21 is fixedly connected to the bottom of the pressure plate 20, a pressure roller 22 is movably connected to one side of the bracket 21, both sides of the roller shaft 18 are movably connected to the support frame 1 through a first bearing, and both sides of the pressure roller 22 are movably connected to the bracket 21 through a second bearing.

[0025] The specific function of this technical solution is as follows: pull the pressure plate 20 upwards, the pressure plate 20 drives the bracket 21 to move, the bracket 21 drives the pressure roller 22 to move, and then place the film between the roller shaft 18 and the pressure roller 22, then release the pressure plate 20, and drive the pressure plate 20 to move through the thrust of the elastic telescopic rod 19, the pressure plate 20 drives the bracket 21 to move, and the bracket 21 drives the pressure roller 22 to move, so as to limit the film so that the film will not tilt during the feeding process.

[0026] Working principle: Pull the pressing plate 20 upward, the pressing plate 20 drives the bracket 21 to move, the bracket 21 drives the pressing roller 22 to move, and then place the film between the roller shaft 18 and the pressing roller 22, then release the pressing plate 20, and drive the pressing plate 20 to move through the thrust of the elastic telescopic rod 19, the pressing plate 20 drives the bracket 21 to move, the bracket 21 drives the pressing roller 22 to move, and the film is limited so that the film will not tilt during the feeding process, start the motor 3, the motor 3 drives the screw rod 4 to rotate, the screw rod 4 drives the threaded sleeve 5 to move, the threaded sleeve 5 drives the rectangular rod 6 to move, the rectangular rod 6 drives the sliding sleeve 7 to move, the sliding sleeve 7 drives the connecting column 8 to move, Through the cooperation of the movable rod 9 and the fixed column 10, the connecting column 8 rotates with the fixed column 10 as the center, thereby driving the movable plate 11 to move, and the movable plate 11 drives the first adjusting knife 12 to move, so as to adjust the distance between the fixed knife 17 and the first adjusting knife 12, and the connecting column 8 will also drive the connecting rod 13 to move, the connecting rod 13 drives the vertical column 14 to move, the vertical column 14 drives the adjusting column 15 to move, and the adjusting column 15 drives the second adjusting knife 16 to move, so as to adjust the distance between the first adjusting knife 12 and the second adjusting knife 16. After adjustment, the self-locking effect of the screw rod 4 and the threaded sleeve 5 makes the cutter work stably.

[0027] Importantly, it should be noted that the construction and arrangement of the present application shown in a number of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of the element may be inverted or otherwise changed, and the nature or number or position of the discrete element may be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present utility model. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and is not only structurally equivalent but also an equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to a specific embodiment, but extends to various modifications that still fall within the scope of the appended claims.

[0028] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment may not be described (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention).

[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. A film cutting mechanism with an automatic limit function, comprising a support frame (1), characterized in that: The outer side of the support frame (1) is fixedly connected to a fixing frame (2); a motor (3) is arranged at the middle axis of the top of the fixing frame (2); a screw rod (4) is fixedly connected to the output end of the motor (3); a threaded sleeve (5) is threadedly connected to the surface of the screw rod (4); a rectangular rod (6) is fixedly connected to the bottom of the threaded sleeve (5); a sliding sleeve (7) is slidably connected to the surface of the rectangular rod (6); a connecting column (8) is fixedly connected to the bottom of the sliding sleeve (7); a movable rod (9) is movably connected to the top of the surface of the connecting column (8); and a fixing column (10) is movably connected to one side of the movable rod (9). The top of the fixed column (10) is fixedly connected to the fixed frame (2); the bottom of the surface of the connecting column (8) is movably connected to a movable plate (11); the bottom of the movable plate (11) is fixedly connected to a first adjusting knife (12); the center axis of the surface of the connecting column (8) is movably connected to a connecting rod (13); one side of the connecting rod (13) is movably connected to a vertical column (14); the bottom of the vertical column (14) is fixedly connected to an adjusting column (15); the bottom of the adjusting column (15) is fixedly connected to a second adjusting knife (16); and a fixed knife (17) is arranged on the inner side of the first adjusting knife (12).

2. The film cutting mechanism with automatic limiting function according to claim 1, characterized in that: A roller shaft (18) is movably connected to the front side of the inner wall of the support frame (1), elastic telescopic rods (19) are fixedly connected to both sides of the top of the fixed frame (2), a pressing plate (20) is fixedly connected to the bottom of the elastic telescopic rod (19), a bracket (21) is fixedly connected to the bottom of the pressing plate (20), and a pressure roller (22) is movably connected to one side of the bracket (21).

3. The film cutting mechanism with automatic limiting function according to claim 1, characterized in that: One side of the motor (3) is fixedly connected to a fixing seat, and one side of the fixing seat is fixedly connected to the fixing frame (2).

4. The film cutting mechanism with automatic limiting function according to claim 1, characterized in that: The inner cavities of the movable plate (11) and the adjusting column (15) are both slidably connected to a prism, and both sides of the prism are fixedly connected to the support frame (1).

5. The film cutting mechanism with automatic limiting function according to claim 1, characterized in that: The top of the fixed knife (17) is fixedly connected to a rectangular column, and the top of the rectangular column is fixedly connected to the fixed frame (2).

6. The film cutting mechanism with automatic limiting function according to claim 2, characterized in that: Both sides of the roller shaft (18) are movably connected to the support frame (1) via a first bearing, and both sides of the pressure roller (22) are movably connected to the support frame (21) via a second bearing.

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