Plastic film cutting device capable of avoiding movement
By using stepper motors, driving gears and other technical means in the plastic film cutting device, the problem of unstable positioning of the plastic film cutting device when cutting films of different sizes is solved, and an efficient and accurate cutting process is achieved.
Patent Information
- Application Number
- CN202420994203.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-09
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-05-09
AI Technical Summary
When cutting plastic films of different sizes, existing plastic film cutting devices need to be re-limited, resulting in increased time and labor costs, and are prone to introduce artificial errors, affecting the accuracy and consistency of cutting.
A plastic film cutting device that avoids movement is designed, using stepper motors, driving gears, connecting plates, gear bars, lifting blocks and placement platform surfaces to ensure that the plastic film remains stable and precise in the cutting process and prevent it from being placed. Offset.
The stable limit and precise cutting of plastic films of different sizes is achieved, which improves the accuracy and consistency of cutting, reduces the workload of the operator, and is suitable for plastic films of various types and sizes.
Smart Images
Figure CN222450520U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of film cutting, in particular to a plastic film cutting device which can avoid movement. Background Art
[0002] A plastic film cutting device is a device specifically used to cut plastic film to the required size. It is usually composed of mechanical parts, electrical control systems and hydraulic systems, etc., and can achieve efficient and accurate cutting of plastic film. The main purpose of this device is in plastic processing, packaging industry and other plastic products that require customized size. The hydraulic system or other mechanical structures will drive the cutting knife to cut and cut the plastic film according to the preset size.
[0003] When the existing plastic film cutting device cuts plastic films of different sizes, it is necessary to re-limit the two ends of the plastic film due to the need to cut plastic films of different sizes, which requires additional time and labor costs, increases production costs, and reduces the competitiveness of the enterprise. Manual re-limiting of the plastic film is prone to human errors, resulting in inaccurate or inconsistent cutting, affecting the quality and appearance of the product, and without limiting the processing, it is easy to cause the problem of offset during cutting, and when the cutting knife cuts the plastic film, the two ends of the plastic film cut cannot be fixed, resulting in inaccurate cutting or unstable cutting results, affecting the quality and appearance of the final product. Utility Model Content
[0004] The utility model provides a plastic film cutting device which avoids movement, and has the advantages of limiting and fixing plastic films of different sizes and stably cutting the plastic film, so as to solve the problem that the plastic film cutting device is unstable in limiting and fixing plastic films of different sizes.
[0005] In order to achieve the purpose of limiting, fixing and stably cutting plastic films of different sizes with a plastic film cutting device, the utility model provides the following technical solutions: a plastic film cutting device that avoids movement, comprising a film cutting machine, the film cutting machine is provided with a cutting platform, a plastic film cutting component is installed inside the film cutting machine, a plastic film limiting component is installed inside the cutting platform, two connecting plates are installed on the outer surface of the plastic film limiting component, both of the two connecting plates are provided with a placing platform surface, and both of the two connecting plates are installed inside a cutting telescopic component.
[0006] As a preferred technical solution of the utility model, the plastic film cutting assembly includes a hydraulic press and two limit sliders, the hydraulic press is installed on the outer surface of the film cutting machine, and the two limit sliders are installed on the outer surface of the film cutting machine.
[0007] As a preferred technical solution of the utility model, a cutting knife is installed on the outer surface of the output end of the hydraulic press, and limiting sliders are installed on both end surfaces of the cutting knife. The outer surface of the limiting slider is in active contact with the inner surface of the limiting slide rail, and the bottom end surface of the cutting knife is in active contact with the top surface of the placement platform surface. Two rubber fixing blocks are installed on the outer surface of the cutting knife, and the bottom end surfaces of the two rubber fixing blocks are in active contact with the top surface of the placement platform surface.
[0008] As a preferred technical solution of the utility model, the plastic film limiting assembly includes a stepper motor and a rotating shaft, the stepper motor is installed on the outer surface of the film cutting machine, the rotating shaft is installed on the outer surface of the output end of the stepper motor, and one end surface of the rotating shaft extends to the interior of the cutting platform.
[0009] As a preferred technical solution of the utility model, a driving gear is installed on the outer surface of the rotating shaft, two movable sliding cavities are opened inside the cutting platform, and movable sliders are movably installed on the inner walls of the two movable sliding cavities. Gear bars are installed on the outer surfaces of the two movable sliders, and the outer surfaces of the two gear bars are meshed with the outer surface of the driving gear.
[0010] As a preferred technical solution of the utility model, the outer surfaces of the two movable sliders are fixedly connected to the outer surface of the connecting plate, the outer surface of the cutting platform is provided with a cutting groove, and the outer surface of the connecting plate is in active contact with the inner wall of the cutting groove.
[0011] As a preferred technical solution of the utility model, the cutting telescopic assembly includes a lifting chamber and a connecting spring, the lifting chamber is opened inside the connecting plate, the connecting spring is evenly distributed and installed on the inner wall of the lifting chamber, a lifting block is installed on the outer surface of the connecting spring, the outer surface of the lifting block is in movably contact with the inner wall of the lifting chamber, the top surface of the lifting block is in movably contact with the bottom surface of the cutting knife, and the top surface of the lifting block is in movably contact with the bottom surface of the rubber fixing block.
[0012] Compared with the prior art, the utility model provides a plastic film cutting device that avoids movement, which has the following beneficial effects:
[0013] 1. The plastic film cutting device that avoids movement, through the cooperation of a stepper motor, a driving gear, a connecting plate, a gear bar, a lifting block and a placement platform surface, limits the plastic film, ensures that the plastic film maintains a stable and precise position during the cutting process, and also ensures that the plastic film will not shift when being cut, which helps to ensure the accuracy and consistency of cutting, so that the final product size meets the requirements, improves the efficiency of cutting, reduces the workload of the operator, and can achieve higher productivity in large-scale production, and is suitable for various types and sizes of plastic films, because it can stably handle plastic films of different materials and sizes without the need for adjustment for each type of film.
[0014] 2. The plastic film cutting device that avoids movement ensures that the plastic film is fixed during the cutting process to prevent it from moving or deforming through the cooperation of a hydraulic press, a limit slide rail, a limit slider, a cutting knife, a lifting chamber, a lifting block, a connecting spring and a rubber fixing block. During the cutting process of the film cutting machine, the rubber fixing block applies an extrusion force to the lifting block to stabilize the position of the lifting block in the lifting chamber, so that the cutting knife can smoothly cut the entire plastic film, ensuring that the cutting knife completely cuts the plastic film. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the internal structure of the plastic film cutting component of the utility model;
[0017] Figure 3 The utility model provides Figure 2 A schematic diagram of the structure enlargement of part A;
[0018] Figure 4 This is a schematic diagram of the internal structure of the plastic film limiting component of the utility model;
[0019] Figure 5 This is a schematic diagram of the internal structure of the plastic film limiting component of the utility model from another perspective;
[0020] Figure 6 It is a schematic diagram of the internal structure of the cutting and telescopic component of the utility model.
[0021] In the figure: 1. Film cutting machine; 2. Cutting platform; 3. Hydraulic press; 4. Limiting slide rail; 5. Limiting slider; 6. Cutting knife; 7. Cutting slide; 8. Stepper motor; 9. Rotating shaft; 10. Driving gear; 11. Moving slide cavity; 12. Moving slider; 13. Connecting plate; 14. Gear bar; 15. Lifting cavity; 16. Lifting block; 17. Connecting spring; 18. Placing platform surface; 19. Rubber fixing block. DETAILED DESCRIPTION
[0022] 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.
[0023] Embodiment 1
[0024] refer to Figure 1 , Figure 2 and Figure 3 The utility model discloses a plastic film cutting device for avoiding movement, comprising a film cutting machine 1, a cutting platform 2 is arranged on the film cutting machine 1, a plastic film cutting assembly is installed inside the film cutting machine 1, and the plastic film cutting assembly comprises a hydraulic press 3 and two limit sliders 5, the hydraulic press 3 is installed on the outer surface of the film cutting machine 1, the two limit sliders 5 are installed on the outer surface of the film cutting machine 1, a cutting knife 6 is installed on the outer surface of the output end of the hydraulic press 3, and the limit sliders 5 are installed on both end surfaces of the cutting knife 6, the outer surface of the limit slider 5 is in active contact with the inner surface of the limit slide rail 4, the bottom end surface of the cutting knife 6 is in active contact with the top surface of the placement platform surface 18, and the outer surface of the cutting knife 6 is installed with two limit sliders 5. The two rubber fixing blocks 19 have bottom surfaces that are in active contact with the top surface of the placement platform surface 18. The two rubber fixing blocks 19 are elastic. The two rubber fixing blocks 19 fix the two ends of the plastic film cutting position. The movement of the lifting block 16 facilitates the cutting of the plastic film by the cutting knife 6. The two rubber fixing blocks 19 move synchronously with the cutting knife 6 to ensure that the plastic film is fixed during the cutting process to prevent it from moving or deforming. During the cutting process of the film cutting machine 1, the rubber fixing blocks 19 apply an extruding force to the lifting block 16 to stabilize the position of the lifting block 16 in the lifting chamber 15, so that the cutting knife 6 can smoothly cut the entire plastic film, ensuring that the cutting knife 6 completely cuts the plastic film.
[0025] Embodiment 2
[0026] refer to Figure 1 , Figure 4 , Figure 5 and Figure 6The utility model discloses a plastic film cutting device for avoiding movement, including a film cutting machine 1, a plastic film limiting assembly is installed inside a cutting platform 2, two connecting plates 13 are installed on the outer surface of the plastic film limiting assembly, both connecting plates 13 are provided with a placing platform surface 18, both connecting plates 13 are installed inside a cutting telescopic assembly, the plastic film limiting assembly includes a stepping motor 8 and a rotating shaft 9, the stepping motor 8 is installed on the outer surface of the film cutting machine 1, the rotating shaft 9 is installed on the outer surface of the output end of the stepping motor 8, and one end surface of the rotating shaft 9 extends to Inside the cutting platform 2, a driving gear 10 is installed on the outer surface of the rotating shaft 9, and two moving slide cavities 11 are provided inside the cutting platform 2. Moving sliders 12 are movably installed on the inner walls of the two moving slide cavities 11. Gear bars 14 are installed on the outer surfaces of the two moving sliders 12. The outer surfaces of the two gear bars 14 mesh with the outer surfaces of the driving gear 10. The outer surfaces of the two moving sliders 12 are fixedly connected to the outer surfaces of the connecting plates 13. A cutting slot 7 is provided on the outer surface of the cutting platform 2. The outer surface of the connecting plate 13 is fixedly connected to the outer surface of the cutting slot 7. The inner wall is in active contact, and the cutting telescopic assembly includes a lifting chamber 15 and a connecting spring 17. The lifting chamber 15 is opened inside the connecting plate 13, and the connecting spring 17 is evenly distributed and installed on the inner wall of the lifting chamber 15. A lifting block 16 is installed on the outer surface of the connecting spring 17. The outer surface of the lifting block 16 is in active contact with the inner wall of the lifting chamber 15, and the top surface of the lifting block 16 is in active contact with the bottom surface of the cutting knife 6. The top surface of the lifting block 16 is in active contact with the bottom surface of the rubber fixing block 19, so that the two connecting plates 13 can move toward each other stably, so that the two ends of the plastic film are flat on the It is placed on the platform surface 18, and the two ends of the plastic film are in active contact with the surface of one end of the lifting block 16, so as to limit the position of the plastic film and ensure that the plastic film maintains a stable and precise position during the cutting process, which helps to ensure the accuracy and consistency of cutting, so that the final product size meets the requirements, improves the efficiency of cutting, reduces the workload of the operator, and can achieve higher productivity in large-scale production. It is suitable for plastic films of various types and sizes because it can stably handle plastic films of different materials and sizes without the need for adjustment for each film type.
[0027] The working principle and use process of the utility model are as follows: when it is necessary to cut the plastic film, the plastic film with cutting is first moved to the cutting platform 2 through the conveying system of the film cutting machine 1, and the stepping motor 8 is controlled by the controller to work, the stepping motor 8 drives the rotating shaft 9 to rotate, the rotating shaft 9 synchronously drives the driving gear 10 to rotate, the driving gear 10 drives the two gear bars 14 to move towards each other, the two gear bars 14 synchronously drive the moving slider 12 to stably move towards each other in the moving slide cavity 11, so that the two moving sliders 12 correspondingly and stably drive the connecting plate 13 to move stably in the cutting slide groove 7, so that the two connecting plates 13 stably move towards each other The lifting block 16 is movable so that both ends of the plastic film are placed flat on the placement platform surface 18, and both ends of the plastic film are in active contact with the surface of one end of the lifting block 16, so as to limit the position of the plastic film and ensure that the plastic film maintains a stable and precise position during the cutting process. At the same time, it also ensures that the plastic film will not shift when being cut, which helps to ensure the accuracy and consistency of cutting, so that the final product size meets the requirements, improves the efficiency of cutting, reduces the workload of the operator, and can achieve higher productivity in large-scale production. It is suitable for plastic films of various types and sizes because it can stably handle plastic films of different materials and sizes without the need for adjustment for each type of film.
[0028] Then the hydraulic press 3 is controlled by the controller to work, and the output end of the hydraulic press 3 drives the cutting knife 6 and the two limit slide blocks 5 to move stably in the two limit slide rails 4, and the cutting knife 6 drives the two rubber fixing blocks 19 to move synchronously, and the rubber fixing block 19 first squeezes the lifting block 16, so that the lifting block 16 squeezes the connecting spring 17 first, so that the lifting block 16 moves in the lifting chamber 15, and the two rubber fixing blocks 19 are elastic, and the two rubber fixing blocks 19 fix the two ends of the cutting part of the plastic film. The movement of the lifting block 16 facilitates the cutting of the plastic film by the cutting knife 6, and the two rubber fixing blocks 19 move synchronously with the cutting knife 6 to ensure that the plastic film is fixed during the cutting process to prevent it from moving or deforming. During the cutting process of the film cutting machine 1, the rubber fixing block 19 applies an extrusion force to the lifting block 16 to stabilize the position of the lifting block 16 in the lifting chamber 15, so that the cutting knife 6 can smoothly cut the entire plastic film, ensuring that the cutting knife 6 completely cuts the plastic film.
Claims
1. A plastic film cutting device for avoiding movement, comprising a film cutting machine (1), wherein the film cutting machine (1) is provided with a cutting platform (2), characterized in that: A plastic film cutting assembly is installed inside the film cutting machine (1), a plastic film limiting assembly is installed inside the cutting platform (2), two connecting plates (13) are installed on the outer surface of the plastic film limiting assembly, both connecting plates (13) are provided with a placement platform surface (18), and both connecting plates (13) are installed inside with a cutting telescopic assembly.
2. A plastic film cutting device for avoiding movement according to claim 1, characterized in that: The plastic film cutting assembly comprises a hydraulic press (3) and two limit slide blocks (5); the hydraulic press (3) is mounted on the outer surface of the film cutting machine (1); and the two limit slide blocks (5) are mounted on the outer surface of the film cutting machine (1).
3. A plastic film cutting device for avoiding movement according to claim 2, characterized in that: A cutting knife (6) is mounted on the outer surface of the output end of the hydraulic press (3), and limit sliders (5) are mounted on both end surfaces of the cutting knife (6). The outer surface of the limit slider (5) is in active contact with the inner surface of the limit slide rail (4), and the bottom surface of the cutting knife (6) is in active contact with the top surface of the placement platform surface (18). Two rubber fixing blocks (19) are mounted on the outer surface of the cutting knife (6), and the bottom surfaces of the two rubber fixing blocks (19) are in active contact with the top surface of the placement platform surface (18).
4. The plastic film cutting device for avoiding movement according to claim 1, characterized in that: The plastic film limiting assembly comprises a stepper motor (8) and a rotating shaft (9), wherein the stepper motor (8) is mounted on the outer surface of the film cutting machine (1), and the rotating shaft (9) is mounted on the outer surface of the output end of the stepper motor (8), and one end surface of the rotating shaft (9) extends to the interior of the cutting platform (2).
5. A plastic film cutting device for avoiding movement according to claim 4, characterized in that: A driving gear (10) is installed on the outer surface of the rotating shaft (9), two movable slide cavities (11) are provided inside the cutting platform (2), movable sliders (12) are movably installed on the inner walls of the two movable slide cavities (11), gear bars (14) are installed on the outer surfaces of the two movable sliders (12), and the outer surfaces of the two gear bars (14) are meshed with the outer surface of the driving gear (10).
6. A plastic film cutting device for avoiding movement according to claim 5, characterized in that: The outer surfaces of the two movable sliders (12) are fixedly connected to the outer surface of the connecting plate (13), the outer surface of the cutting platform (2) is provided with a cutting groove (7), and the outer surface of the connecting plate (13) is in movable contact with the inner wall of the cutting groove (7).
7. The plastic film cutting device for avoiding movement according to claim 1, characterized in that: The cutting telescopic assembly comprises a lifting chamber (15) and a connecting spring (17); the lifting chamber (15) is arranged inside the connecting plate (13); the connecting spring (17) is evenly distributed and installed on the inner wall of the lifting chamber (15); a lifting block (16) is installed on the outer surface of the connecting spring (17); the outer surface of the lifting block (16) is in active contact with the inner wall of the lifting chamber (15); the top surface of the lifting block (16) is in active contact with the bottom surface of the cutting blade (6); and the top surface of the lifting block (16) is in active contact with the bottom surface of the rubber fixing block (19).