Casting cooling mechanism for CPP casting film
By introducing a combination of heat dissipation fins and a fan into the casting film cooling mechanism, the problem of low cooling efficiency of existing cooling rollers is solved by using air cooling technology, thus achieving efficient film cooling and water conservation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-20
- Publication Date
- 2026-03-20
AI Technical Summary
Existing casting machine cooling structures rely on cooling rollers for cooling, and are designed with spiral or honeycomb cooling channels, resulting in low cooling efficiency and wasted water resources.
The cooling roller shell is equipped with a combination of heat dissipation fins and a cooling fan to cool the film using air cooling. The design of the heat dissipation fins and fan, combined with motor drive and fan switch control, achieves efficient heat dissipation.
This improves the efficiency of thin-film cooling, avoids the waste of water resources, and ensures the efficient operation of the thin-film cooling process.
Smart Images

Figure CN224012829U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a cast film cooling technical field, concretely is a kind of CPP cast film casting cooling mechanism. BACKGROUND
[0002] The cast film is produced by melt casting and quenching, which is a kind of flat extruded film without stretching and orientation. There are two ways of single-layer casting and multi-layer co-extrusion casting. Compared with blown film, the production speed is fast, the output is high, and the transparency, glossiness and thickness uniformity of the film are excellent.
[0003] In the production of CPP film, the casting cooling mechanism is one of the key equipment that affects the quality of the film. It ensures that the film is quickly cooled during casting to avoid uneven crystallization or deformation.
[0004] However, the existing casting machine cooling structure generally cools the film by setting cooling rollers. The roller body is designed as a spiral or honeycomb cooling channel, and water is cooled through the cooling roller. This way is low in cooling efficiency and wastes a lot of water resources. Therefore, the technical personnel in the field provide a CPP cast film casting cooling mechanism to solve the problems raised in the background technology. UTILITY MODEL CONTENTS
[0005] In view of the shortcomings of the prior art, the utility model provides a CPP cast film casting cooling mechanism to solve the problem that the existing casting machine cooling structure generally cools the film by setting cooling rollers. The roller body is designed as a spiral or honeycomb cooling channel, and water is cooled through the cooling roller. This way is low in cooling efficiency and wastes a lot of water resources.
[0006] To achieve the above purpose, the utility model provides the following technical scheme: a CPP cast film casting cooling mechanism, comprising a base, the base is provided with a support, the support is provided with a cooling roller shell, one end of the cooling roller shell is provided with a rotating shaft, the other end of the cooling roller shell is provided with a rotating pipe, the inner wall of the cooling roller shell is provided with a cooling fin, the side of the cooling fin facing the rotating pipe is provided with a cooling fan, the outer wall of the cooling fan is provided with a ball, the side of the cooling fan facing the rotating pipe is provided with a fixed pipe, one side of the support is provided with a fixed arm.
[0007] Preferably, the side of the fixed arm is provided with a power supply, the power supply is provided with a fan switch above, the fan switch is connected with the fixed arm, the two groups of cooling fans in the cooling roller shell are powered by the power supply, and the start and stop of the cooling fan is controlled by the fan switch.
[0008] Preferably, the fixed pipe is fixedly connected with the fixed arm after penetrating through the rotating pipe, the fixed arm is fixedly installed with the base, and the ball is in contact with the inner wall of the cooling roller shell, so that the cooling fan cannot shake or displace.
[0009] Preferably, the rotating shaft and the rotating pipe are rotatably connected with the corresponding support, the base is installed with a motor, the motor is drivingly connected with the rotating shaft, and when the cooling roller shell is rotated by the motor driving the rotating shaft, the cooling fan can be started by the fan switch, so that the cooling fins in the cooling roller shell are cooled, and the film passing between the two groups of cooling roller shells is cooled.
[0010] Compared with the prior art, the CPP casting film casting cooling mechanism has the following beneficial effects:
[0011] Through the design, the CPP casting film casting cooling mechanism of the utility model is composed of a cooling roller shell, cooling fins and a cooling fan, the cooling fins are arranged in the cooling roller shell in a fan shape, rotating shafts and rotating pipes are arranged at two ends of the cooling roller shell, supports are installed on the base, the rotating shafts and the rotating pipes are rotatably connected with the corresponding supports, a part of a cavity is arranged in one end of the cooling roller shell facing the rotating pipe, a cooling fan is arranged in the cavity, a fixed pipe connected with one side of the cooling fan penetrates through the rotating pipe and is connected with a fixed arm, the fixed arm is fixedly installed with the base, the cooling fan can cool the cooling fins in the cooling roller shell when the cooling fan is started, and the film passing between the two groups of cooling roller shells is cooled. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is a three-dimensional structure schematic view of a CPP casting film casting cooling mechanism provided by the embodiment of the application.
[0013] Figure 2 It is a structure schematic view of a CPP casting film casting cooling mechanism provided by the embodiment of the application.
[0014] Figure 3 It is a structure schematic view of a CPP casting film casting cooling mechanism provided by the embodiment of the application.
[0015] In the drawing: 1, base; 2, support; 3, cooling roller shell; 4, cooling fin; 5, rotating shaft; 6, rotating pipe; 7, cooling fan; 8, ball; 9, fixed pipe; 10, fixed arm; 11, fan switch; 12, power supply; 13, motor. DETAILED DESCRIPTION
[0016] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the present application.
[0017] The present application provides a technical scheme, a CPP casting film casting cooling mechanism, please refer to Figure 1 、 Figure 2 、 Figure 3 , including the base 1, the bracket 2 is installed on the base 1, the cooling roller shell 3 is arranged on the bracket 2, the one end of the cooling roller shell 3 is installed with the rotating shaft 5, the other end of the cooling roller shell 3 is installed with the rotating tube 6, the inner wall of the cooling roller shell 3 is installed with the radiating fin 4, the one side of the radiating fin 4 towards the rotating tube 6 is provided with the radiating fan 7, the outer wall of the radiating fan 7 is installed with the ball 8, the one side of the radiating fan 7 towards the rotating tube 6 is installed with the fixed tube 9, the one side of the bracket 2 is provided with the fixed arm 10.
[0018] Please refer to Figure 1 、 Figure 2 、 Figure 3 , the one side of the fixed arm 10 is provided with the power supply 12, the fan switch 11 is arranged above the power supply 12, the fan switch 11 is connected with the fixed arm 10, the radiating fan 7 in the two groups of cooling roller shells 3 is powered by the power supply 12, the start-stop of the radiating fan 7 is controlled by the fan switch 11, the rotating shaft 5 and the rotating tube 6 are rotatably connected with the corresponding bracket 2, the motor 13 is installed on the base 1, the motor 13 is drivingly connected with the rotating shaft 5, when the cooling roller shell 3 is rotated by the motor 13 driving the rotating shaft 5, the radiating fan 7 can be started by the fan switch 11, so that the radiating fin 4 in the cooling roller shell 3 is radiated, so that the film passing between the two groups of cooling roller shells 3 is cooled, the fixed tube 9 is fixedly connected with the fixed arm 10 after penetrating the rotating tube 6, the fixed arm 10 is fixedly installed with the base 1, the ball 8 is in contact with the inner wall of the cooling roller shell 3, so that the radiating fan 7 is prevented from shaking or displacing.
[0019] The utility model discloses a CPP cast film casting cooling mechanism is by cooling roll shell 3, heat dissipation fin 4 and heat dissipation fan 7 is formed, wherein heat dissipation fin 4 is arranged in cooling roll shell 3 in fan shape distribution, is provided with pivot 5 and rotation pipe 6 at both ends of cooling roll shell 3, is installed support 2 on base 1, and pivot 5 and rotation pipe 6 are with corresponding support 2 rotation joint, is provided with motor 13 on the side of cooling roll shell 3 towards pivot 5, and motor 13 is driven and is connected with pivot 5, is provided with partial cavity on the end of cooling roll shell 3 towards rotation pipe 6, is provided with heat dissipation fan 7 in cavity, is installed ball 8 on the shell of heat dissipation fan 7, and ball 8 is in contact with the inner wall of cooling roll shell 3, is installed fixed pipe 9 on the side of heat dissipation fan 7 towards rotation pipe 6, and fixed pipe 9 then penetrates and protrudes in rotation pipe 6, and the part of fixed pipe 9 protruding rotation pipe 6 then is fixedly installed with base 1 through fixed arm 10, to ensure that the fan will not shake or shift,
[0020] The utility model discloses a CPP cast film casting cooling mechanism is by cooling roll shell 3, heat dissipation fin 4 and heat dissipation fan 7 is formed, wherein heat dissipation fin 4 is arranged in cooling roll shell 3 in fan shape distribution, is provided with pivot 5 and rotation pipe 6 at both ends of cooling roll shell 3, is installed support 2 on base 1, and pivot 5 and rotation pipe 6 are with corresponding support 2 rotation joint, is provided with motor 13 on the side of cooling roll shell 3 towards pivot 5, and motor 13 is driven and is connected with pivot 5, is provided with partial cavity on the end of cooling roll shell 3 towards rotation pipe 6, is provided with heat dissipation fan 7 in cavity, is installed ball 8 on the shell of heat dissipation fan 7, and ball 8 is in contact with the inner wall of cooling roll shell 3, is installed fixed pipe 9 on the side of heat dissipation fan 7 towards rotation pipe 6, and fixed pipe 9 then penetrates and protrudes in rotation pipe 6, and the part of fixed pipe 9 protruding rotation pipe 6 then is fixedly installed with base 1 through fixed arm 10, to ensure that the fan will not shake or shift,
[0021] It should be noted that, in this text, relational terms such as first and second are used merely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between or among the entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover non-exclusive inclusions, so that a process, method, article, or apparatus that comprises a list of elements does not only include those elements, but also includes other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0022] In this text, unless otherwise explicitly specified and limited, the terms "mount", "set", "connect", "fix", "screw" and other terms should be understood broadly, for example, can be fixedly connected, or can be detachably connected, or integrated; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise explicitly limited, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances by those skilled in the art.
[0023] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the present application, which should be limited only by the appended claims and their equivalents.
Claims
1. A CPP cast film casting and cooling mechanism, comprising a base (1), characterized in that: A bracket (2) is installed on the base (1), and a cooling roller shell (3) is provided on the bracket (2). A rotating shaft (5) is installed at one end of the cooling roller shell (3), and a rotating tube (6) is installed at the other end of the cooling roller shell (3). Heat dissipation fins (4) are installed on the inner wall of the cooling roller shell (3). A heat dissipation fan (7) is provided on the side of the heat dissipation fins (4) facing the rotating tube (6). A ball bearing (8) is installed on the outer wall of the heat dissipation fan (7). A fixing tube (9) is installed on the side of the heat dissipation fan (7) facing the rotating tube (6). A fixing arm (10) is provided on one side of the bracket (2).
2. The CPP cast film casting cooling mechanism according to claim 1, characterized in that: A power supply (12) is provided on one side of the fixed arm (10), and a fan switch (11) is provided above the power supply (12). The fan switch (11) is connected to the fixed arm (10).
3. The CPP cast film casting cooling mechanism according to claim 1, characterized in that: The fixed tube (9) passes through the rotating tube (6) and is fixedly connected to the fixed arm (10). The fixed arm (10) is fixedly installed on the base (1).
4. The CPP cast film casting cooling mechanism according to claim 1, characterized in that: The rotating shaft (5) and rotating tube (6) are rotatably engaged with the corresponding bracket (2).
5. The CPP cast film casting cooling mechanism according to claim 1, characterized in that: A motor (13) is installed on the base (1), and the motor (13) is connected to the rotating shaft (5) for driving.
6. The CPP cast film casting cooling mechanism according to claim 1, characterized in that: The ball (8) contacts the inner wall of the cooling roller housing (3).