A film material rapid cooling and shaping device of a film manufacturing machine

Abstract

The utility model relates to the field of film making technology discloses a kind of film material quick cooling and shaping device of film making machine, including base, rotatingly connected with cooling roll one, cooling roll two and cooling roll three between the fixed frame and the shell, the cooling roll one, the cooling roll two and the cooling roll three outside are all installed with water absorption component;The water absorption component includes mounting plate, the mounting plate is fixedly connected in the shell inner side, the mounting plate bottom is equipped with sliding slot, the mounting plate bottom is slidably connected with sponge, the sponge top is fixedly connected with clamping strip, the clamping strip is slidably connected in the sliding slot interior, in the utility model, sponge is continuously contacted and wiped with roll surface by slidingly connected on mounting plate, can effectively remove the water bead formed by roll surface dew, avoid water bead to be pressed into the permanent defect such as pit, water mark etc. Formed on film surface, to guarantee that cooling process is stably and efficiently operated.

Description

Technical Field

[0001] This utility model relates to the field of film-making technology, and in particular to a rapid cooling and shaping device for film materials in a film-making machine. Background Technology

[0002] In order to accurately control the microstructure and macroscopic properties of the film during the molding process, the film forming machine usually needs to use rapid cooling. This can effectively inhibit the formation of large spherulites in the semi-crystalline polymer, thereby obtaining a film with high transparency, good toughness and excellent strength.

[0003] Currently, the rapid cooling and shaping devices for film forming machines on the market generally involve attaching the molten film extruded from the die head to the surface of a uniformly rotating cooling roller under the action of a traction device. The cooling medium circulating inside the roller quickly removes the heat, causing the film to cool down and solidify in a very short time, thus completing the shaping process and obtaining a film product with the desired performance.

[0004] Because the surface temperature of the cooling roller is lower than the dew point temperature of the surrounding air, water vapor in the air will immediately liquefy into small water droplets on the cold roller surface. This will cause the water droplets generated by condensation on the roller surface to be pressed into the film, resulting in defects such as surface pits and watermarks. This leads to uneven cooling and thickness fluctuations, which seriously affect the appearance quality of the product and production stability. To address this issue, a rapid cooling and shaping device for film materials in a film-making machine is proposed. Utility Model Content

[0005] To overcome the above deficiencies, this utility model provides a rapid cooling and shaping device for film materials in a film-making machine, which aims to improve the problem of water droplets generated by condensation on the roller surface affecting film quality in the prior art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A rapid cooling and shaping device for film forming machine includes a base, an outer shell fixedly connected to the outside of the base, a motor fixedly connected to the outside of the outer shell, a fixing frame fixedly connected to the top of the base, and cooling roller one, cooling roller two, and cooling roller three rotatably connected between the fixing frame and the outer shell. Water absorption components are installed on the outer sides of cooling roller one, cooling roller two, and cooling roller three, and pressing components are installed on the top of cooling roller two and the bottom of cooling roller three.

[0008] The water-absorbing component includes a mounting plate, which is fixedly connected to the inner side of the outer shell. A groove is provided at the bottom of the mounting plate, and a sponge is slidably connected to the bottom of the mounting plate. A retaining strip is fixedly connected to the top of the sponge, and the retaining strip is slidably connected inside the groove.

[0009] As a further description of the above technical solution:

[0010] The pressing assembly includes two electric push rods, which are respectively fixed to the inner side of the fixed frame and the outer shell. The moving end of the electric push rod is fixedly connected to a connecting block, and a fixed plate is rotatably connected inside the connecting block. A rotating shaft is fixedly connected to both the fixed frame and the inner side of the outer shell. One end of the rotating shaft is rotatably connected to the middle of the fixed plate, and a pressing shaft is rotatably connected between the two fixed plates.

[0011] As a further description of the above technical solution:

[0012] The fixed frame and the inner side of the outer shell are both fixedly connected to guide frames. The guide frames are fixedly connected to electric push rods. The two guide frames are movably connected to pressure shafts. The pressure shafts are rotatably connected between the moving ends of the two electric push rods.

[0013] As a further description of the above technical solution:

[0014] A wind knife is fixedly connected to the top of the base, a duct is fixedly connected to the air inlet of the wind knife, a fan is fixedly connected inside the base, and the end of the duct away from the wind knife is fixedly connected to the output end of the fan.

[0015] As a further description of the above technical solution:

[0016] The base has a ventilation opening on its outer side, and the ventilation opening is located on one side of the fan;

[0017] As a further description of the above technical solution:

[0018] A guide shaft is rotatably connected between the fixing frame and the outer shell;

[0019] As a further description of the above technical solution:

[0020] A collection shaft is rotatably connected between the fixing frame and the outer shell, and multiple slots are provided on the outer periphery of the collection shaft.

[0021] As a further description of the above technical solution:

[0022] The air outlet of the air knife is fixedly connected to a filter strip.

[0023] This utility model has the following beneficial effects:

[0024] 1. In this utility model, the sponge slidably connected to the mounting plate contacts the roller surface and continuously wipes the roller surface, which can effectively eliminate the water droplets formed by condensation on the roller surface and prevent them from being pressed into the film surface, causing permanent defects such as pits and watermarks, thus ensuring the stability and efficiency of the cooling process.

[0025] 2. In this utility model, the electric push rod drives the fixed plate to press the film tightly onto the roller surface, which can greatly improve the heat conduction efficiency, so that the film can be cooled and shaped evenly and quickly, effectively avoiding defects such as uneven cooling and thickness fluctuation caused by poor bonding. Attached Figure Description

[0026] Figure 1 This is a three-dimensional schematic diagram of a rapid cooling and shaping device for a film-making machine according to the present invention;

[0027] Figure 2 This is a schematic diagram of the outer shell of a rapid cooling and shaping device for a film-making machine proposed in this utility model;

[0028] Figure 3 This is a schematic diagram of the mounting plate of a rapid cooling and shaping device for film materials in a film-making machine, as proposed in this utility model.

[0029] Figure 4 This is a cross-sectional schematic diagram of the base of a rapid cooling and shaping device for film materials in a film-making machine, as proposed in this utility model.

[0030] Figure 5 This is a schematic diagram of the fixing frame of a rapid cooling and shaping device for film materials in a film-making machine, as proposed in this utility model.

[0031] Legend:

[0032] 1. Base; 2. Fixing frame; 3. Cooling roller one; 4. Cooling roller two; 5. Outer shell; 6. Cooling roller three; 7. Mounting plate; 8. Pressure shaft one; 9. Pressure shaft two; 10. Guide shaft; 11. Guide frame; 12. Air knife; 13. Ventilation port; 14. Motor; 15. Collection shaft; 16. Sponge; 17. Electric push rod two; 18. Clip; 19. Slide groove; 20. Fan; 21. Air duct; 22. Fixing plate; 23. Rotating shaft; 24. Connecting block; 25. Electric push rod one; 26. Filter strip; 27. Slot. Detailed Implementation

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0034] Reference Figures 1-3This utility model provides an embodiment of a rapid cooling and shaping device for film materials in a film-making machine, comprising a base 1, which serves as the foundation and support platform for the entire device. A housing 5 is fixedly connected to the outside of the base 1, and a transmission mechanism is installed inside the housing 5. A motor 14 is fixedly connected to the outside of the housing 5, and the output end of the motor 14 is connected to the transmission mechanism inside the housing 5. A fixing frame 2 is fixedly connected to the top of the base 1. Cooling roller 1 3, cooling roller 2 4, and cooling roller 3 6 are rotatably connected between the fixing frame 2 and the housing 5. Cooling roller 1 3, cooling roller 2 4, and cooling roller 3 6 are all driven by the transmission mechanism driven by the motor 14 and rotate at the same speed. Water absorption components are installed on the outside of cooling roller 1 3, cooling roller 2 4, and cooling roller 3 6. Pressing components are installed on the top of cooling roller 2 4 and the bottom of cooling roller 3 6.

[0035] The water-absorbing assembly includes a mounting plate 7, which is fixedly connected to the inside of the housing 5. A groove 19 is provided at the bottom of the mounting plate 7, and a sponge 16 is slidably connected to the bottom of the mounting plate 7. A retaining strip 18 is fixedly connected to the top of the sponge 16, and the retaining strip 18 is slidably connected inside the groove 19, so that the sponge 16 can be easily disassembled and replaced, which is convenient for maintenance.

[0036] Reference Figure 1 and Figure 5 The pressing assembly includes two electric push rods 25, which are fixed to the inside of the fixed frame 2 and the outer shell 5, respectively. The moving end of the electric push rod 25 is fixedly connected to a connecting block 24, which is a component connecting the moving end of the electric push rod and the fixed plate 22. The fixed plate 22 is rotatably connected inside the connecting block 24. The fixed frame 2 and the inner side of the outer shell 5 are both fixedly connected to a rotating shaft 23, which is the core lever of the entire pressing assembly. One end of the rotating shaft 23 is rotatably connected to the middle of the fixed plate 22, and the rotating shaft 23 serves as the fulcrum for the rotation of the fixed plate 22. The two fixed plates 22 are rotatably connected to a pressure shaft 9, which directly contacts the film material and applies pressure.

[0037] Reference Figures 2-5Guide frames 11 are fixedly connected to both the fixed frame 2 and the inner side of the outer casing 5. The guide frames 11 provide vertical guidance for the movement of the pressure shaft 8. An electric push rod 17 is fixedly connected inside the guide frame 11. The pressure shaft 8 is movably connected between the two guide frames 11. The moving end of the electric push rod 17 is directly connected to and drives the pressure shaft 8. The pressure shaft 8 is rotatably connected between the moving ends of the two electric push rods 17. An air knife 12 is fixedly connected to the top of the base 1. The air knife 12 forms dual cooling and can make the film and the cooling roller adhere more tightly. An air duct 21 is fixedly connected to the air inlet of the air knife 12. A fan 20 is fixedly connected inside the base 1. The fan 20 provides a stable and adjustable airflow source. The end of the air duct 21 away from the air knife 12 is fixedly connected to... Connected to the output end of the fan 20, the base 1 has a vent 13 on its outer side. The vent 13 provides a sufficient and unobstructed air intake channel for the fan 20. The vent 13 is located on one side of the fan 20. A guide shaft 10 is rotatably connected between the fixed frame 2 and the outer shell 5. The guide shaft 10 is used to change the conveying path and direction of the membrane material, making the equipment layout more flexible and reasonable. A collection shaft 15 is rotatably connected between the fixed frame 2 and the outer shell 5. The collection shaft 15 is used to wind up the final finished film that has been cooled and shaped. Multiple slots 27 are opened on the outer periphery of the collection shaft 15. The slots 27 are used to fix the starting end of the film. A filter strip 26 is fixedly connected to the air outlet of the air knife 12. The filter strip 26 can intercept the very small amount of impurities that may exist in the airflow and protect the surface of the membrane material from being clean.

[0038] Working principle: First, start the motor 14. Then, the motor 14 will drive the cooling roller 3, cooling roller 4, cooling roller 6 and collecting shaft 15 to rotate at the same speed. Since the sponge 16 has strong water absorption, it can easily absorb the water droplets generated by condensation on the roller surface. In addition, the sponge 16 and the mounting plate 7 are connected by the clip 18 and the slide 19, so the sponge 16 can be pulled out for replacement or drying.

[0039] The extruded molten film passes between cooling roller 3 and pressure shaft 8. Then, the pressure shaft 8 is driven forward by electric push rod 217 to press the film onto the surface of cooling roller 3. The film then passes between cooling roller 4 and pressure shaft 9. Electric push rod 25 drives the fixing plate 22 upward, causing the fixing plate 22 to drive pressure shaft 9 and press the film onto the surface of cooling roller 4. The film then passes between cooling roller 6 and another pressure shaft 9 in the same way. Finally, the film is wound onto the collecting shaft 15 through the guide shaft 10 via the slot 27. During the cooling process, the fan 20 continuously blows air onto the film surface through the air knife 12. The filter strip 26 at the nozzle of the air knife 12 can greatly reduce impurities in the air.

[0040] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A rapid cooling and shaping device for film forming machine, comprising a base (1), characterized in that: The base (1) is fixedly connected to the outer side of the outer shell (5), and the outer shell (5) is fixedly connected to the outer side of the motor (14). The base (1) is fixedly connected to the top of the frame (2). The frame (2) and the outer shell (5) are rotatably connected to the cooling roller one (3), cooling roller two (4) and cooling roller three (6). The cooling roller one (3), cooling roller two (4) and cooling roller three (6) are all equipped with water absorption components on their outer sides. The top of the cooling roller two (4) and the bottom of the cooling roller three (6) are both equipped with pressing components. The water-absorbing component includes an installation plate (7), which is fixedly connected to the inside of the outer shell (5). A groove (19) is provided at the bottom of the installation plate (7). A sponge (16) is slidably connected to the bottom of the installation plate (7). A clip (18) is fixedly connected to the top of the sponge (16). The clip (18) is slidably connected inside the groove (19).

2. The rapid cooling and shaping device for film materials in a film-making machine according to claim 1, characterized in that: The pressing assembly includes two electric push rods (25), which are fixed to the inside of the fixed frame (2) and the outer shell (5) respectively. The moving end of the electric push rod (25) is fixedly connected to a connecting block (24), and a fixed plate (22) is rotatably connected inside the connecting block (24). A rotating shaft (23) is fixedly connected to the inside of both the fixed frame (2) and the outer shell (5). One end of the rotating shaft (23) is rotatably connected to the middle of the fixed plate (22), and a pressing shaft (9) is rotatably connected between the two fixed plates (22).

3. The rapid cooling and shaping device for film materials in a film-making machine according to claim 1, characterized in that: The fixed frame (2) and the inner side of the outer shell (5) are both fixedly connected to guide frames (11). The guide frames (11) are fixedly connected to electric push rods (17). The two guide frames are movably connected to a pressure shaft (8). The pressure shaft (8) is rotatably connected between the moving ends of the two electric push rods (17).

4. The rapid cooling and shaping device for film materials in a film-making machine according to claim 1, characterized in that: The base (1) is fixedly connected to the top of the air knife (12), the air inlet of the air knife (12) is fixedly connected to the air duct (21), the base (1) is fixedly connected to the inside of the fan (20), and the end of the air duct (21) away from the air knife (12) is fixedly connected to the output end of the fan (20).

5. The rapid cooling and shaping device for film materials in a film-making machine according to claim 4, characterized in that: The base (1) has a ventilation opening (13) on the outside, and the ventilation opening (13) is located on one side of the fan (20).

6. The rapid cooling and shaping device for film materials in a film-making machine according to claim 1, characterized in that: A guide shaft (10) is rotatably connected between the fixing frame (2) and the outer shell (5).

7. The rapid cooling and shaping device for film materials in a film-making machine according to claim 1, characterized in that: A collection shaft (15) is rotatably connected between the fixing frame (2) and the outer shell (5), and multiple slots (27) are provided on the outer periphery of the collection shaft (15).

8. The rapid cooling and shaping device for film materials in a film-making machine according to claim 4, characterized in that: The air outlet of the air knife (12) is fixedly connected to a filter strip (26).

Images