Edge finishing device for cast film of multiphase flow heat transfer system
Patent Information
- Application Number
- CN202521915209.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-05
- Publication Date
- 2026-09-15
- Estimated Expiration
- 2035-09-05
AI Technical Summary
[0005]现有的流延膜边缘精整装置存在调节灵活性不足,以及废料回收输送稳定性不足的情况,整体实用性有待提高
[0021]1. This utility model can cut the cast film using a cutting blade during trimming. The waste generated after cutting falls into the receiving hopper. Then, high-pressure gas is connected, and the resistance heating tube is activated. At this time, the resistance heating tube can heat the flowing air. The generated hot air can pass through the inside of the conveying pipe. During this process, the cast film waste inside the receiving hopper can be effectively extracted, and the cast film can be softened by heat. This allows the cast film waste to move with the compressed air, enabling fast and stable recycling of waste. It is highly practical.
Smart Images

Figure CN224751714U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of edge finishing technology for cast film, and in particular to an edge finishing device for cast film in a multiphase heat transfer system. Background Technology
[0002] Cast film is a type of polymer film produced through a "cast molding process". Its core manufacturing principle is: molten plastic raw materials (such as polyethylene, polypropylene, polyamide, etc.) are extruded through an extruder to form a continuous molten sheet. The molten sheet is then quickly bonded to a cooling roller and rapidly cooled and shaped by a multiphase heat transfer system (using gas-liquid, gas-solid and other multiphase media for coordinated temperature control), ultimately producing a film product with uniform thickness and excellent physical properties.
[0003] In terms of application scenarios, cast film is widely used in food packaging (such as food preservation bags and snack packaging), electronic device packaging (such as insulating protective film for chips and circuit boards), and medical packaging (such as sterile dressing packaging) due to its advantages such as strong barrier properties (able to isolate oxygen and moisture), high flatness, and good transparency. It is a key basic material for the modern packaging and precision manufacturing industries.
[0004] In the production of cast film using a multiphase heat transfer system, edge trimming is not an "optional process," but a necessary step to ensure product quality and reduce costs.
[0005] Existing casting film edge finishing devices suffer from insufficient adjustment flexibility and inadequate stability in waste material recycling and conveying, and their overall practicality needs to be improved. Utility Model Content
[0006] The purpose of this invention is to provide a casting film edge finishing device for a multiphase heat transfer system that can flexibly and conveniently adjust the cutting position, effectively handle the cutting operation of casting films of different sizes, and at the same time perform stable waste material conveying operation, making it highly practical.
[0007] To achieve the above objectives, the present invention provides the following technical solution:
[0008] A casting film edge finishing device for a multiphase heat transfer system includes a base, a conveying roller shaft rotatably mounted on the upper end of the base, a rotating shaft on one side of the conveying roller shaft, a cutting blade slidably sleeved on the outer ends of the rotating shaft, a conveying pipe on the inner side of the base, and two receiving hoppers fixedly connected to the outer surface of the conveying pipe, with the two receiving hoppers respectively positioned below the cutting blades, and a guide roller rotatably mounted on the inner side of the base.
[0009] By adopting the above technical solution, convenient adjustment operations can be performed, the edge cutting operations of cast films of different sizes can be effectively handled, and waste materials can be recycled and transported.
[0010] Furthermore, a resistance heating tube is installed inside the conveying pipe, and the resistance heating tube is located upstream of the conveying pipe.
[0011] By adopting the above technical solution, a resistance heating tube can be used to heat the airflow conveyed in the delivery tube.
[0012] Furthermore, two track seats are fixedly connected to the upper end of the base, and movable seats are slidably installed in the grooves of the track seats. The two ends of the rotating shaft are respectively rotatably connected to the corresponding movable seat mounting holes through bearings.
[0013] By adopting the above technical solution, the position of the rotating shaft can be adjusted by sliding the movable seat in the groove of the track seat.
[0014] Furthermore, a first electric telescopic rod is fixedly installed at the end of the track seat, and the telescopic end of the first electric telescopic rod is fixedly connected to the side surface of the movable seat.
[0015] By adopting the above technical solution, the first electric telescopic rod can be used to drive the movable seat to slide within the groove of the track seat.
[0016] Furthermore, a second electric telescopic rod is fixedly installed on the side surface of the movable seat, and a linkage seat is fixedly connected to the telescopic end of the second electric telescopic rod. The linkage seat is fixed to the outside of one end of the cutting blade by a bearing sleeve.
[0017] By adopting the above technical solution, the extension and retraction of the second electric telescopic rod can be used to drive the linkage seat to move, thereby driving the cutting blade to change position.
[0018] Furthermore, a cutting motor is fixedly mounted on one of the movable seats, and one end of the rotating shaft of the cutting motor is fixedly connected to one end of the rotating shaft.
[0019] By adopting the above technical solution, the cutting motor can drive the rotating shaft to rotate, thereby driving the cutting blade to rotate.
[0020] In summary, the beneficial technical effects of this utility model are as follows:
[0021] 1. This utility model can cut the cast film using a cutting blade during trimming. The waste generated after cutting falls into the receiving hopper. Then, high-pressure gas is connected, and the resistance heating tube is activated. At this time, the resistance heating tube can heat the flowing air. The generated hot air can pass through the inside of the conveying pipe. During this process, the cast film waste inside the receiving hopper can be effectively extracted, and the cast film can be softened by heat. This allows the cast film waste to move with the compressed air, enabling fast and stable recycling of waste. It is highly practical.
[0022] 2. This utility model allows for adjustment of the distance between two cutting blades based on the size of the cast film during trimming. During adjustment, two second electric telescopic rods are activated, which move the linkage seat, effectively adjusting the distance between the two cutting blades. The adjustment operation is precise and convenient. After adjustment, the cutting motor is activated, driving the rotating shaft to rotate. Because a limiting groove is provided on the side surface of the rotating shaft, and a limiting protrusion is provided on the cutting blade, the limiting protrusion engages with the limiting groove. Therefore, the rotation of the rotating shaft effectively drives the two cutting blades to rotate at high speed. Then, the first electric telescopic rod is activated, causing the movable seat to slide within the groove of the track seat, allowing the rotating cutting blade to approach the conveyor roller shaft. At this point, the cast film can be effectively cut and trimmed. The entire cutting structure is convenient, and the adjustment operation is flexible and convenient, making it highly practical. Attached Figure Description
[0023] Figure 1 This is a first-view perspective view of the three-dimensional structure of this utility model;
[0024] Figure 2 This is a second perspective view of the three-dimensional structure of this utility model;
[0025] Figure 3 This is a diagram of the internal structure of this utility model.
[0026] In the diagram: 1. Base; 2. Conveyor roller; 3. Track seat; 4. First electric telescopic rod; 5. Movable seat; 6. Rotating shaft; 7. Cutting blade; 8. Second electric telescopic rod; 9. Linkage seat; 10. Cutting motor; 11. Conveying pipe; 12. Receiving hopper; 13. Guide roller; 14. Resistance heating tube. Detailed Implementation
[0027] The method of this utility model will be further described in detail below with reference to the accompanying drawings.
[0028] Reference Figure 1 , Figure 2 , Figure 3The multiphase heat transfer system for edge finishing of cast film includes a base 1. A conveying roller 2 is rotatably mounted on the upper end of the base 1. A rotating shaft 6 is provided on one side of the conveying roller 2. A cutting blade 7 is slidably sleeved on the outer ends of the rotating shaft 6. A conveying pipe 11 is provided on the inner side of the base 1. A receiving hopper 12 is fixedly connected to the outer surface of the conveying pipe 11. Two receiving hoppers 12 are provided, and the two receiving hoppers 12 are respectively placed below the cutting blade 7. A guide roller 13 is rotatably mounted on the inner side of the base 1. A resistance heating tube 14 is installed inside the conveying pipe 11. The resistance heating tube 14 is located in the conveying pipe 11. Upstream of the conveyor 1, the casting film can be cut using the cutting blade 7 during trimming. The waste generated after cutting falls into the receiving hopper 12. Then, high-pressure gas is connected, and the resistance heating tube 14 is activated. At this time, the resistance heating tube 14 can heat the flowing air. The generated hot air can pass through the interior of the conveyor pipe 11. During this process, the casting film waste inside the receiving hopper 12 can be effectively extracted, and the casting film can be softened by heat. This allows the casting film waste to move with the compressed air, enabling fast and stable recycling of waste. It is highly practical.
[0029] Reference Figure 1 , Figure 2 Two track seats 3 are fixedly connected to the upper end of the base 1. Movable seats 5 are slidably installed in the grooves of the track seats 3. Both ends of the rotating shaft 6 are rotatably connected to the corresponding mounting holes of the movable seats 5 via bearings. A first electric telescopic rod 4 is fixedly installed at the end of the track seat 3. The telescopic end of the first electric telescopic rod 4 is fixedly connected to the side surface of the movable seat 5. A second electric telescopic rod 8 is fixedly installed on the side surface of the movable seat 5. A linkage seat 9 is fixedly connected to the telescopic end of the second electric telescopic rod 8. The linkage seat 9 is fixedly sleeved on the outside of one end of the cutting blade 7 via a bearing. A cutting motor 10 is fixedly installed on one of the movable seats 5. One end of the rotating shaft of the cutting motor 10 is fixedly connected to one end of the rotating shaft 6. This allows the spacing between the two cutting blades 7 to be adjusted according to the size of the cast film during trimming. Adjustment is performed by starting the machine. Two second electric telescopic rods 8 are used to move the linkage seat 9, thereby effectively adjusting the distance between the two cutting blades 7. The adjustment operation is precise and convenient. After adjustment, the cutting motor 10 is started, which drives the rotating shaft 6 to rotate. Since a limit groove is provided on the side surface of the rotating shaft 6 and a limit protrusion is provided on the cutting blade 7, the limit protrusion engages with the limit groove. Therefore, the rotation of the rotating shaft 6 can effectively drive the two cutting blades 7 to rotate at high speed. Then, the first electric telescopic rod 4 is started, which drives the movable seat 5 to slide in the slide groove of the track seat 3, thereby allowing the rotating cutting blade 7 to approach the conveyor roller shaft 2. At this time, the casting film can be effectively cut and trimmed. The entire cutting structure can be carried out conveniently, and the adjustment operation is flexible and convenient, making it highly practical.
[0030] Working principle: When in use, install the device at the designated location. Then, adjust the positions of the two cutting blades 7 according to the required size of the cast film to be cut. During adjustment, activate the two second electric telescopic rods 8, which drive the linkage seat 9 to move, thereby effectively adjusting the distance between the two cutting blades 7. The adjustment operation is precise and convenient. After adjustment, start the cutting motor 10, which drives the rotating shaft 6 to rotate. Because a limit groove is provided on the side surface of the rotating shaft 6, and a limit protrusion is provided on the cutting blade 7, the limit protrusion engages with the limit groove. Therefore, the rotation of the rotating shaft 6 effectively drives the two cutting blades 7 to rotate at high speed. Then, activate the first electric telescopic rod. 4. The first electric telescopic rod 4 drives the movable seat 5 to slide in the groove of the track seat 3, thereby allowing the rotating cutting blade 7 to approach the conveying roller shaft 2. At this time, the cast film can be effectively cut and trimmed. The cast film waste generated by cutting falls into the receiving hopper 12. At this time, high-pressure gas is connected, and the resistance heating tube 14 is activated. The resistance heating tube 14 can heat the flowing air. The generated hot air can pass through the inside of the conveying pipe 11. During this process, the cast film waste inside the receiving hopper 12 can be effectively extracted, and the cast film can be softened by heat. This allows the cast film waste to move with the compressed air, enabling fast and stable recycling of waste. It is highly practical.
[0031] The embodiments described herein are preferred embodiments of this utility model and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape, and principle of this utility model should be included within the scope of protection of this utility model.
Claims
1. A casting film edge finishing device for a multiphase heat transfer system, comprising a base (1), characterized in that: A conveying roller shaft (2) is rotatably mounted on the upper end of the base (1). A rotating shaft (6) is provided on one side of the conveying roller shaft (2). A cutting blade (7) is slidably sleeved on the outer ends of the rotating shaft (6). A conveying pipe (11) is provided on the inner side of the base (1). A receiving hopper (12) is fixedly connected to the outer surface of the conveying pipe (11). There are two receiving hoppers (12), and the two receiving hoppers (12) are respectively placed below the cutting blade (7). A guide roller (13) is rotatably mounted on the inner side of the base (1).
2. The casting film edge finishing device for the multiphase heat transfer system according to claim 1, characterized in that: A resistance heating tube (14) is installed inside the conveying pipe (11), and the resistance heating tube (14) is located upstream of the conveying pipe (11).
3. The casting film edge finishing device for the multiphase heat transfer system according to claim 1, characterized in that: The upper end of the base (1) is fixedly connected to two track seats (3), and a movable seat (5) is slidably installed in the groove of the track seat (3). The two ends of the rotating shaft (6) are respectively rotatably connected to the mounting holes of the corresponding movable seat (5) through bearings.
4. The casting film edge finishing device for the multiphase heat transfer system according to claim 3, characterized in that: The end of the track seat (3) is fixedly installed with a first electric telescopic rod (4), and the telescopic end of the first electric telescopic rod (4) is fixedly connected to the side surface of the movable seat (5).
5. The casting film edge finishing device for the multiphase heat transfer system according to claim 3, characterized in that: A second electric telescopic rod (8) is fixedly installed on the side surface of the movable seat (5). The telescopic end of the second electric telescopic rod (8) is fixedly connected to a linkage seat (9). The linkage seat (9) is fixed to the outside of one end of the cutting blade (7) by a bearing sleeve.
6. The casting film edge finishing device for the multiphase heat transfer system according to claim 3, characterized in that: A cutting motor (10) is fixedly installed on one of the movable seats (5), and one end of the rotating shaft of the cutting motor (10) is fixedly connected to one end of the rotating shaft (6).