Film blowing machine guide frame for producing PE film
The design of the guide roller of the hydraulic rod drive guide frame is corrected and the third motor adjusts the roll roll, which solves the problem that the existing film blowing machine guide frame cannot adjust the height, and improves the flatness and quality of the film, reducing production costs and operation difficulties.
Patent Information
- Application Number
- CN202510686216.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-27
- Publication Date
- 2025-08-01
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The height of the existing film blowing machine guide cannot be adjusted freely, resulting in the film being easily damaged and lateral displacement during the production process, affecting the film quality, and unable to effectively control the flatness and bonding of the film.
The guide frame with hydraulic rod and servo motor is adopted. The guide roller is driven by the hydraulic rod to move left and right for correction, and the third motor drives the winding roller to adjust the film shape and direction, and combines the ring snap structure for easy installation and maintenance.
It improves the flatness and utilization rate of the film, reduces production and maintenance costs, and improves operational convenience and work efficiency.
Smart Images
Figure CN120396319A_ABST
Abstract
Description
Technical Field
[0001] The present invention belongs to the technical field of blown film guiding, and particularly relates to a guiding frame for a blown film machine for producing PE films. Background Art
[0002] In the current blown film technology field, most blown film machines use herringbone frames for film guiding. The columnar film guided by the herringbone frame is flattened at the pressure roller. By optimizing the design of the guiding frame, the lateral displacement and deformation of the film during production can be reduced, thereby improving the quality of the film. The new guiding frame design can adapt to plastic films of different thicknesses, broadening its application range, and avoiding the inconvenience that workers need to use tools to adjust the frame spacing, greatly improving the convenience of adjustment and reducing the operation difficulty.
[0003] However, the height of the existing herringbone frame cannot be freely adjusted and must be customized according to the specific size of the blown film machine. If the herringbone frame is too high, the film may be overstretched during guiding, easily causing film damage. Due to the fixed position of the guiding frame in the traditional guiding mechanism, the accuracy requirement for the position of the opposing frame during installation is relatively high to ensure that the film can pass through the guiding mechanism smoothly. In addition, the herringbone frame can only limit the two sides, and cannot effectively control the other two sides. Due to the high height of the guiding frame and the thin film, the film is prone to lateral displacement during upward movement, resulting in the pressure roller being unable to completely flatten the film, thus affecting the quality of the film. When producing highly viscous films, the film may adhere to the smooth rollers on the herringbone frame, further affecting the production quality of the film. In summary, we propose a guiding frame for a blown film machine for producing PE films, which drives the soft film pad in the guiding roller to move back and forth left and right, thereby stretching the PE film. That is, during the winding process of the PE film, deviation correction is performed from one side to the middle of the other side of the guiding roller. If the PE film deviates during operation, the guiding roller starts to move and swing the angle. If the PE film does not deviate, the guiding roller is stationary, so that the PE film always maintains a stable state. Then, the lead screw moves back to relax the wound PE film material. Subsequently, after adjusting and shaping the form and direction of the PE film material, the winding roller is driven to wind forward along the lead screw. This operation is beneficial to improving the flatness and usability of the PE film. Summary of the Invention
[0004] In order to solve the above problems, the object of the present invention is to provide a mechanism for a guiding frame of a blown film machine for producing PE films.
[0005] To achieve the above object, the present invention provides a guiding frame for a blown film machine for producing PE films, comprising a frame body, a chute, and a base. A chute is provided at the top of the frame body. Bases are movably installed on both sides of the frame body. A slide bar is fixedly screwed to the top of the base. A convex connecting block is fixedly hinged to the top of the base. The convex connecting block is convex. A round hole penetrates through the lower part of the protruding part of the convex connecting block. A slide bar is fitted and connected inside the round hole. A rotating shaft is fixedly hinged to one side of the top of the convex connecting block. The middle part of the top of the rotating shaft is movably connected to a rotating plate. The rotating plate is semi-circular. A hole is provided at the top of the rotating plate.
[0006] In one example, a hydraulic rod is fixedly connected to the top of the rotating plate, and an equipment box is fixedly installed on the top of the convex connecting block.
[0007] In one example, the other end of the slide bar is fixedly connected to a servo motor, and the output end of the servo motor is fixedly connected to one end of the slide bar.
[0008] In one example, a guiding roller is movably installed in the middle of the rotating plates on both sides of the top of the frame body. A soft film pad is sleeved on the guiding roller, and the length of the soft film pad is equal to that of the guiding roller.
[0009] In one example, a plurality of baffle plates are fixedly hinged to both sides of the top of the frame body. A first traction roller is fixedly installed in the middle of the top of the plurality of baffle plates. A second traction roller is fixedly installed in the middle of the baffle plates fixedly hinged to both sides of the tail end of the frame body. Third traction rollers are fixedly installed on both sides of the bottom end of the frame body.
[0010] In one example, a plurality of winding plates are fixedly hinged to the middle parts of both sides of the bottom end of the frame body. A winding roller is fixedly installed in the middle of the top of the plurality of winding plates.
[0011] In one example, there is a notch inside one side of the winding plate. The width of the notch is half of the winding plate. A second motor is fixedly connected to the outside of one side of the winding roller. The output end of the second motor penetrates through the inside of the winding plate and is fixedly connected to one end of the winding roller.
[0012] In one example, a plurality of fixing rods are fixedly installed at both ends of the inner wall of the frame body. A slider is penetrated and connected through the middle of the plurality of fixing rods. A lead screw is movably installed in the middle of the plurality of fixing rods. One end of the lead screw is fixedly connected to the inner wall of the frame body. The slider is penetrated and connected through the middle of the fixing rod and the lead screw. The length of the lead screw is half of the frame body. The other end of the top of the lead screw is fixedly connected to a third motor.
[0013] In one example, a card slot is provided in the middle of the notch on one side of the winding plate. The card slot is fitted and connected with a circular ring buckle. The circular ring buckle is in a circular plate-like structure.
[0014] In one example, both ends of the circular buckle are fixedly connected with a buckle arm, and the buckle arm is an arm-shaped structure extending from the main structure of the circular buckle. A spring is fixedly installed in the middle of the bottom end of the buckle arm, and the bottom end of the spring is fixedly connected to the inner wall of the winding plate.
[0015] The guide frame of the film blowing machine for producing PE film proposed by the present invention can bring the following beneficial effects:
[0016] 1. The guide frame of the film blowing machine for producing PE film converts it into linear motion through the hydraulic rod, driving the piston rod to make corresponding linear motion, driving the soft film pad in the guide roller to move back and forth left and right, thereby stretching the PE film. That is, during the PE film winding process, the guide roller is corrected from one side to the middle of the other side. If the PE film deviates during operation, the guide roller starts to move and swing the angle. If the PE film does not deviate, the guide roller is stationary, so that the PE film always remains in a stable state.
[0017] 2. The guide frame of the film blowing machine for producing PE film drives the winding roller to move back in the middle of the screw through the third motor to loosen the rolled-up PE film. Subsequently, after adjusting and shaping the shape and direction of the PE film, the winding roller is driven forward along the screw to rewind. This operation is beneficial to improving the flatness and usability of the PE film.
[0018] 3. The guide frame of the film blowing machine for producing PE film has a simple circular buckle structure, is easy to install and maintain, and reduces production and maintenance costs. The main function of the circular buckle is to fix the two parts to ensure that they will not separate during operation. Since the circular buckle is easy to install and disassemble, the production efficiency can be improved, especially when the winding roller parts need to be replaced frequently, and the winding roller can be quickly connected and separated from the winding plate, so that the staff can quickly replace the winding roller, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:
[0020] Figure 1 The present invention is a structural schematic diagram of a guide frame of a film blowing machine for producing PE film.
[0021] Figure 2 This is a structural schematic diagram of a guide frame of a film blowing machine for producing PE film according to the present invention, wherein the inner wall of the frame is connected to a fixing rod and a screw rod.
[0022] Figure 3This is a schematic front elevation view of the frame body of the guiding frame of a blown film machine for producing PE films according to the present invention.
[0023] Figure 4 This is a schematic side elevation view of the PE film at the top of the frame body of the guiding frame of a blown film machine for producing PE films according to the present invention.
[0024] Figure 5 This is a schematic view of the winding roller and the second motor of the guiding frame of a blown film machine for producing PE films according to the present invention.
[0025] Figure 6 This is a schematic view of the card slot, circular ring buckle, buckle arm, and spring of the guiding frame of a blown film machine for producing PE films according to the present invention.
[0026] Reference numerals:
[0027] 1. Frame body; 2. Slide groove; 3. Base; 4. Slide bar; 5. Convex connecting block; 6. Rotating shaft; 7. Rotating plate; 8. Hydraulic rod; 9. Equipment box; 10. Servo motor; 11. Guide roller; 12. Soft film pad; 13. PE film; 14. Baffle; 15. First traction roller; 16. Second traction roller; 17. Third traction roller; 18. Winding plate; 19. Winding roller; 20. Second motor; 21. Fixed rod; 22. Slide block; 23. Lead screw; 24. Third motor; 25. Card slot; 26. Circular ring buckle; 27. Buckle arm; 28. Spring. Detailed implementation manners
[0028] In order to more clearly illustrate the overall concept of the present invention, the following will be described in detail by way of examples in conjunction with the accompanying drawings of the specification.
[0029] In the description of the present invention, it should be understood that the orientation or positional relationships indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationships shown in the accompanying drawings. These are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
[0030] In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying 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 one or more of such features. In the description of the present invention, "a plurality" means two or more unless otherwise specifically defined.
[0031] In the present invention, unless otherwise clearly defined or limited, terms such as "install", "connect", "join", "fix", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection, an electrical connection, or a communication connection; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the internal connection of two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0032] In the present invention, unless otherwise clearly defined or limited, the first feature being "on" or "under" the second feature may mean that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. In the description of this specification, the description of reference terms such as "one solution", "some solutions", "example", "specific example", or "some examples", etc. means that the specific features, structures, materials, or characteristics described in connection with the solution or example are included in at least one solution or example of the present invention. In this specification, the schematic expressions of the above terms do not necessarily refer to the same solution or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more solutions or examples.
[0033] Such as Figures 1 to 6As shown in the figure, an embodiment of the present invention provides a guiding frame for a blown film machine for producing PE films, which includes a frame body 1, a chute 2, and a base 3. A chute 2 is provided at the top of the frame body 1. Bases 3 are movably installed on both sides of the frame body 1. During the deviation correction process, the bases 3 can displace at the top of the chute 2, so that the position of the PE film 13 can be kept correct. Two sliding rods 4 are fixedly hinged to the top of the base 3. A convex connecting block 5 is fixedly hinged to the top of the base 3. The convex connecting block 5 is convex. A round hole penetrates below the protruding part of the convex connecting block 5. The sliding rod 4 is fitted and connected inside the round hole. One side of the top of the convex connecting block 5 is fixedly hinged to a rotating shaft 6. The middle part of the top of the rotating shaft 6 is movably connected to a rotating plate 7. The rotating plate 7 is semicircular. A hole is provided at the top of the rotating plate 7 for connecting other components. The top of the rotating plate 7 is fixedly connected to a hydraulic rod 8 through a nut. A small equipment box 9 is fixedly installed at the top of the convex connecting block 5. Here, the equipment box 9 is used to accommodate the hydraulic rod 8. When the hydraulic rod 8 makes a pushing and pulling movement inside the equipment box 9, the hydraulic rod 8 will extend out of the equipment box 9. When the PE film 13 does not shift, the hydraulic rod 8 will remain in a contracted state inside the equipment box 9, and at the same time, it has a protective effect on the hydraulic rod 8. A servo motor 10 is fixedly connected to the other end of the sliding rod 4. The output end of the servo motor 10 is fixedly connected to one end of the sliding rod 4. A guiding roller 11 is movably installed between the two rotating plates 7 on both sides. A soft film pad 12 is sleeved on the guiding roller 11, which is used to guide the PE film 13 and correct the deviation. Due to the soft material of the soft film pad 12, it will not damage the PE film 13. The length of the soft film pad 12 is equal to that of the guiding roller 11, ensuring a seamless connection between the two. A PE film 13 is sleeved outside the soft film pad 12, thereby realizing the reinforcement and functional integrity of the entire device, ensuring its reliability and durability during use.
[0034] When the PE film 13 has displacement or wrinkles during the winding process, the hydraulic rod 8 applies an external force to make the piston rod move inward, thereby generating hydraulic pressure, which is converted into linear motion, driving the piston rod to perform corresponding linear motion, driving the soft film pad 12 in the guiding roller 11 to move back and forth left and right, thereby stretching the PE film 13. That is, during the winding process of the PE film 13, deviation correction is carried out from one side of the guiding roller 11 to the middle of the other side. If the PE film 13 deviates during the working process, the guiding roller 11 starts to move and swing the angle. If the PE film 13 does not deviate, the guiding roller 11 is stationary, so that the PE film 13 always remains in a stable state.
[0035] On both sides of the top end of the frame body 1, a plurality of baffle plates 14 are fixedly hinged. In the middle of the top end of the baffle plate 14, a first traction roller 15 is fixedly installed. In the middle of the baffle plates 14 fixedly hinged on both sides of the tail end of the frame body 1, a second traction roller 16 is fixedly installed. On both sides of the middle part of the bottom end of the frame body 1, a plurality of baffle plates 14 are fixedly hinged. Here, the baffle plates 14 and the frame body 1 are horizontally arranged. In the middle of the top ends of the plurality of baffle plates 14 fixedly hinged on both sides of the bottom end of the frame body 1, a third traction roller 17 is fixedly installed. The middle parts of the first traction roller 15, the second traction roller 16, and the third traction roller 17 are all connected to a common component, the PE film 13. On both sides of the middle part of the bottom end of the frame body 1, a plurality of winding plates 18 are fixedly hinged. In the middle of the top end of the winding plate 18, a winding roller 19 is fixedly installed. There is a notch inside one side of the winding plate 18, and the width of the notch is half of the winding plate 18. On the outside of one side of the winding roller 19, a second motor 20 is fixedly connected. The output end of the second motor 20 passes through the inside of the winding plate 18 and is fixedly connected to one end of the winding roller 19. The PE film 13 first passes through the guiding roller 11 for deviation correction to ensure the accuracy of its path. Secondly, it passes through the bottom of the first traction roller 15 for rolling, undergoing a primary rolling process to adjust its shape and direction. Then it passes through the top of the second traction roller 16 for pulling, which helps to further adjust and shape it. Then it passes through the top of the third traction roller 17 for the final pulling, and finally is wound into the inside of the winding roller 19 to ensure the quality of the final PE film 13.
[0036] At both ends of the inner wall of the frame body 1, two fixed rods 21 are fixedly installed. The middle part of the fixed rod 21 is penetrated and connected with a slider 22. Between the two fixed rods 21, a lead screw 23 is movably installed. One end of the lead screw 23 is fixedly connected to the inner wall of the frame body 1 in the same way as the fixed rod 21. In addition, the length of the lead screw 23 is half of the frame body 1. The top end of the other end of the lead screw 23 is fixedly connected to a third motor 24. After the second motor 20 is started, it drives the winding roller 19 to wind the PE film 13. During the last step of winding, some wrinkles may still occur in the PE film 13. At this time, the driving device, the third motor 24, is started to drive the winding roller 19 to move back in the middle of the lead screw 23 to relax the wound material, the PE film 13. Subsequently, after adjusting and shaping the shape and direction of the material PE film 13, it drives the winding roller 19 to wind forward along the lead screw 23. This operation is beneficial to improving the flatness and usability of the PE film 13.
[0037] The spring 28 is fixedly mounted on the bottom of the buckle arm 27 so that the buckle can be locked in the slot 25. The compression spring 28 enables the snap arm 27 to be moved out of the slot 25. The ring snap 26 design allows staff to quickly connect and disconnect components without the use of tools. Once the snap arm 27 is locked in the slot 25, it will not be accidentally unlocked unless pressed again, thereby providing safety. Due to the locking mechanism of the ring snap 26, vibration and noise between components can be reduced, and the overall stability can be improved. The ring snap 26 has a simple structure and is easy to install and maintain, which reduces production and maintenance costs. The main function of the ring snap 26 is to fix the two components and ensure that they will not separate during operation. Since the ring snap 26 is easy to install and disassemble, the production efficiency can be improved, especially when the winding roller 19 components need to be replaced frequently, the winding roller 19 can be quickly connected and disconnected from the winding plate 18, so that the staff can quickly replace the winding roller 19, thereby improving work efficiency.
[0038] In summary, the guide frame of the film blowing machine used to produce the PE film 13 is a highly integrated and multifunctional complex device. Through the cooperation of the guide roller 11 and the hydraulic rod 8, the path of the PE film 13 in the production process is ensured to be accurate and wrinkles are reduced. Then, through the continuous action of the first pulling roller 15, the second pulling roller 16, and the third pulling roller 17, the direction and shape of the PE film 13 are adjusted to ensure its quality and consistency, which also provides a strong guarantee for the long-term stable operation of the equipment.
[0039] It should be noted that the above-mentioned control of the hydraulic rod 8, equipment box 9, winding plate 18, and slider 22 mechanical equipment can be controlled by motion logic through controllers and sensors in the existing technology, which facilitates the smooth winding of the PE film 13.
[0040] Each embodiment in this specification is described in a progressive manner. For the same or similar parts among the embodiments, reference can be made to each other, and the differences between each embodiment and other embodiments are emphasized. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and reference can be made to the relevant parts of the method embodiment for details.
[0041] The above description is only for the embodiments of the present invention and is not intended to limit the present invention. For those skilled in the art, various modifications and changes can be made to the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the scope of the claims of the present invention.
Claims
1. A guiding frame for a blown film machine for producing PE films, comprising a frame body (1), a sliding groove (2), and a base (3), characterized in that: A chute (2) is provided at the top of the frame body (1). Bases (3) are movably installed on both sides of the frame body (1). A slide rod (4) is fixedly screwed to the top of the base (3). A convex connecting block (5) is fixedly hinged to the top of the base (3). The convex connecting block (5) is convex in shape. A round hole penetrates through the lower part of the protrusion of the convex connecting block (5). The slide rod (4) is fitted and connected inside the round hole. One side of the top of the convex connecting block (5) is fixedly hinged with a rotating shaft (6). The middle of the top of the rotating shaft (6) is movably connected with a rotating plate (7). The rotating plate (7) is semi-circular in shape. A hole is provided at the top of the rotating plate (7).
2. The guide frame of a blown film machine for producing PE films according to claim 1, wherein: A hydraulic rod (8) is fixedly connected to the top of the rotating plate (7). An equipment box (9) is fixedly installed on the top of the convex connecting block (5).
3. The guide frame of a blown film machine for producing PE films according to claim 1, characterized in that: The other end of the slide rod (4) is fixedly connected with a servo motor (10). The output end of the servo motor (10) is fixedly connected with one end of the slide rod (4).
4. A guiding frame for a blown film machine for producing PE films according to claim 2, characterized in that: A guiding roller (11) is movably installed in the middle of the rotating plates (7) on both sides of the top of the frame body (1). A soft film pad (12) is sleeved on the guiding roller (11). The length of the soft film pad (12) is equal to that of the guiding roller (11).
5. A guiding frame for a blown film machine for producing PE films according to claim 1, characterized in that: A plurality of baffle plates (14) are fixedly hinged on both sides of the top of the frame body (1). A first traction roller (15) is fixedly installed in the middle of the top of the plurality of baffle plates (14). A second traction roller (16) is fixedly installed in the middle of the baffle plates (14) fixedly hinged on both sides of the tail end of the frame body (1). Third traction rollers (17) are fixedly installed on both sides of the bottom end of the frame body (1).
6. A guiding frame for a blown film machine for producing PE films according to claim 1, characterized in that: A plurality of winding plates (18) are fixedly hinged in the middle of both sides of the bottom end of the frame body (1). A winding roller (19) is fixedly installed in the middle of the top of the plurality of winding plates (18).
7. The guide frame of a blown film machine for producing PE films according to claim 6, characterized in that: There is a notch inside one side of the winding plate (18). The width of the notch is half of the winding plate (18). A second motor (20) is fixedly connected to the outside of one side of the winding roller (19). The output end of the second motor (20) passes through the inside of the winding plate (18) and is fixedly connected with one end of the winding roller (19).
8. The guide frame of a blown film machine for producing PE films according to claim 1, wherein: A plurality of fixing rods (21) are fixedly installed at both ends of the inner wall of the frame body (1). A slider (22) is penetrated and connected in the middle of the plurality of fixing rods (21). A lead screw (23) is movably installed in the middle of the plurality of fixing rods (21). One end of the lead screw (23) is fixedly connected to the inner wall of the frame body (1). The slider (22) is penetrated and connected in the middle of the fixing rod (21) and the lead screw (23). The length of the lead screw (23) is half of the frame body (1). The other end of the top of the lead screw (23) is fixedly connected with a third motor (24).
9. The guide frame of a blown film machine for producing PE films according to claim 6, characterized in that: A clamping groove (25) is provided in the middle of the notch on one side of the winding plate (18). The clamping groove (25) is fitted and connected with a circular ring buckle (26). The circular ring buckle (26) is in a circular plate-like structure.
10. A guide frame for a blown film machine for producing PE films according to claim 9, characterized in that: Both ends of the circular ring buckle (26) are fixedly connected with buckle arms (27). The buckle arms (27) are arm-shaped structures extending from the main structure of the circular ring buckle (26). The middle of the bottom end of the buckle arm (27) is fixedly installed with a spring (28), and the bottom end of the spring (28) is fixedly connected to the inner wall of the winding plate (18).