A cooling and shaping device for CPP film production
By using a combination of air-cooled components and water-cooled cooling components in film production, the problem of unsatisfactory cooling effect of the existing film cooling shaping device is solved, and more uniform and efficient film cooling is achieved, and film performance is improved.
Patent Information
- Application Number
- CN202421485234.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-26
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-06-26
AI Technical Summary
The cooling effect of the existing film cooling shaping device is not ideal, resulting in a large temperature difference between the film and the cooling device, affecting the film performance.
A cooling shaping device for cpp film production is designed, using a combination of air-cooled components and water-cooled cooling components. The film is first cooled by the air-cooled components, and then cooled by the water-cooled cooling components to avoid the film being directly contacted with a lower temperature cooling device.
Through the combined cooling method of air-cooling and water-cooling, the cooling effect of the film is significantly improved, the temperature difference between the film and the cooling device is reduced, thereby improving the performance of the film.
Smart Images

Figure CN222741921U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of film processing equipment, in particular to a cooling and shaping device for CPP film production. Background Art
[0002] After the film is extruded, it needs to go through film blowing and cooling and shaping in order to be made into the desired state. Today, cooling and shaping is a necessary process in film preparation, which plays a vital role in shaping the shape of the film. In the existing film cooling, the newly extruded film is usually introduced into the cooling water tank for cooling. The cooled film passes through the drying equipment to dry the water and then is rolled up. The cooling effect of the existing device is not ideal. The temperature difference between the newly extruded film and the cooling device is large, which affects the performance of the film. Utility Model Content
[0003] In view of this, the utility model provides a cooling and shaping device for CPP film production, which can connect one end of the film to the winding assembly, use the winding assembly to wind the film, and exert a certain traction on the film, so that the film can evenly pass through the air cooling assembly and the water cooling assembly. The film first passes through the guide roller on one side of the diverter box, and the guide roller makes the film pass through the middle position of the symmetrically arranged diverter box, and the bellows is started to blow cold air into the diverter box, and the film passing through the diverter box is cooled by air through the air outlet on the diverter box, and the water cooling assembly is used to cool the film. The connecting rods of the cold cooling component are divided into multiple parts and are arranged and rotated on the bracket in a staggered manner. The film is passed through the cooling roller, and the cooled clean water is transported to the storage cavity in the cooling roller through the conveying cavity to fill the storage cavity. The cooling roller is used to absorb the heat on the film through heat transfer and then the cooled clean water is used to absorb the heat on the cooling roller. The film is cooled by first using an air cooling component and then a water cooling component. This can prevent the film from directly contacting the cooling device with a lower temperature, thereby avoiding the impact of excessive temperature difference on the film performance.
[0004] In order to solve the above technical problems, the utility model provides a cooling and shaping device for CPP film production, including a base plate, on which brackets are symmetrically arranged, one end of the bracket is connected to a winding assembly, the other end of the bracket is provided with an air cooling assembly, and the bracket is connected to a water cooling assembly, which is located in the middle of the air cooling assembly and the winding assembly.
[0005] The air cooling component includes a diverter box, which is symmetrically arranged up and down, connected to the bracket, a bellows is connected to the upper base surface of the diverter box, an air outlet is arranged on the lower base surface of the diverter box, guide rollers are arranged on both sides of the diverter box, and the guide rollers are rotatably arranged on the bracket. The film passes through the middle position of the symmetrically arranged diverter box through the guide rollers, and the bellows is started to blow cold air into the diverter box, and the film passing through the diverter box is cooled by air through the air outlet on the diverter box.
[0006] The water-cooling component includes a plurality of connecting rods, which are rotatably arranged on a bracket, a cooling roller is connected to the connecting rod, a conveying cavity is arranged in the connecting rod, a storage cavity is arranged in the cooling roller, the conveying cavity and the storage cavity are connected, a first water tank is connected to the bottom plate, a first water pump is arranged on one side of the first water tank, and the connecting rods of the water-cooling component are divided into a plurality of connecting rods which are arranged in a staggered manner and rotatably arranged on the bracket, a film is passed through the cooling roller, the first water pump is driven, and the first water pump draws the refrigerant in the first water tank through a circulation pipeline to cool the clean water in the second water tank.
[0007] A second water tank is provided on one side of the first water pump, a circulation pipe is connected to the first water tank, the circulation pipe passes through the first water pump and is spirally arranged in the second water tank, a water pump is provided on one side of the second water tank, a self-priming pump is provided on the other side of the second water tank, a water pump is connected to the water pump with a water pumping pipe, the water pumping pipe is connected to one end of a connecting rod, a delivery pipe is connected to the self-priming pump, the delivery pipe is connected to the other end of the connecting rod, the water pumping pipe is connected to the connecting rod, the water pumping pipe delivers the extracted clean water after cooling to the delivery cavity, and then delivers it to the storage cavity in the cooling roller through the delivery cavity to fill the storage cavity. The heat on the film is absorbed by the cooling roller through heat transfer, and then the heat on the cooling roller is absorbed by the cooled clean water. The other end of the connecting rod is connected to the delivery pipe, and the delivery pipe is connected to the self-priming pump. The self-priming pump draws water overflowing from the storage chamber to the delivery chamber through the delivery pipe, and the self-priming pump delivers the drawn water to the second water tank. After cooling, the clean water is delivered by the water pump. The self-priming pump and the water pump deliver the clean water in a balanced manner, so that the clean water in the storage chamber is always full, and the clean water after absorbing heat in the storage chamber is replaced, so that the cooling roller can continue to cool the film.
[0008] The beneficial effects of the above technical solution of the utility model are as follows:
[0009] 1. The film is passed through the middle position of the symmetrically arranged diverter box by means of guide rollers, and the bellows are started. The bellows blow cold air into the diverter box, and the film passing through the diverter box is cooled by air through the air outlet on the diverter box.
[0010] 2. Pass the film through the cooling roller to drive the first water pump, which extracts the refrigerant in the first water tank through the circulation pipeline to cool the clean water in the second water tank.
[0011] 3. The cooled clean water is transported to the storage chamber in the cooling roller through the conveying chamber, the storage chamber is filled, the cooling roller is used to absorb the heat on the film through heat transfer, and then the cooled clean water is used to absorb the heat on the cooling roller. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1This is a schematic diagram of the main structure of a cooling and shaping device for CPP film production according to the utility model;
[0013] Figure 2 It is a left side cross-sectional structural schematic diagram of the utility model;
[0014] Figure 3 It is a right side cross-sectional structural schematic diagram of the utility model;
[0015] Figure 4 It is a rear view structural schematic diagram of the utility model.
[0016] Explanation of the reference numerals: 100, bottom plate; 101, bracket; 110, winding assembly; 120, air cooling assembly; 121, diverter box; 122, bellows; 123, air outlet; 124, guide roller; 130, water cooling assembly; 131, connecting rod; 132, cooling roller; 133, conveying chamber; 134, storage chamber; 135, first water storage tank; 136, first water pump; 137, second water storage tank; 138, circulation pipeline; 139, water pump; 140, self-priming pump; 141, water pumping pipeline; 142, conveying pipeline. DETAILED DESCRIPTION
[0017] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the following will be combined with the appended drawings of the embodiment of the utility model. Figure 1-4 , the technical scheme of the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the utility model.
[0018] like Figure 1-4 As shown:
[0019] The present embodiment provides a cooling and shaping device for CPP film production, including a base plate 100, the base plate 100 is used to connect a bracket 101, the base plate 100 is symmetrically provided with brackets 101, the brackets 101 are used to connect and support a winding component 110, an air cooling component 120 and a water cooling component 130, one end of the bracket 101 is connected with a winding component 110, the winding component 110 is used to wind up the film and make the film have a certain traction force when cooling through the air cooling component 120 and the water cooling component 130, the other end of the bracket 101 is provided with an air cooling component 120, the air cooling component 120 is used to cool the film, the bracket 101 is connected with a water cooling component 130, and the water cooling component 130 is located in the middle of the air cooling component 120 and the winding component 110.
[0020] The air cooling assembly 120 includes a diverter box 121, which is used to disperse the cold air blown by the bellows 122 to each air outlet 123. The diverter box 121 is symmetrically arranged up and down, and is connected to the bracket 101. The upper base surface of the diverter box 121 is connected to a bellows 122, and the bellows 122 is used to transport cold air to cool the film.
[0021] An air outlet 123 is disposed on the lower base surface of the diverter box 121 for discharging air. Guide rollers 124 are disposed on both sides of the diverter box 121 for guiding the film. The guide rollers 124 are rotatably disposed on the bracket 101 .
[0022] The water-cooling component 130 includes a plurality of connecting rods 131 , which are used to connect the bracket 101 and the cooling roller 132 . The connecting rods 131 are rotatably arranged on the bracket 101 , and the cooling roller 132 is connected to the connecting rods 131 . The cooling roller 132 is used to absorb the heat on the film.
[0023] A conveying chamber 133 is provided in the connecting rod 131, and the conveying chamber 133 is used to convey the cooled clean water to the storage chamber 134. A storage chamber 134 is provided in the cooling roller 132, and the storage chamber 134 is used to store the cooled clean water and reabsorb the heat absorbed by the cooling roller 132. The conveying chamber 133 is connected to the storage chamber 134, and a first water tank 135 is connected to the bottom plate 100. The first water tank 135 is used to store refrigerant. A first water pump 136 is provided on one side of the first water tank 135, and the first water pump 136 is used to extract the refrigerant in the first water tank 135.
[0024] A second water tank 137 is provided on one side of the first water pump 136, and a circulation pipe 138 is connected to the first water tank 135. The circulation pipe 138 passes through the first water pump 136 and is spirally arranged in the second water tank 137. The circulation pipe 138 is used to circulate the refrigerant extracted by the first water pump 136 in the second water tank 137 to cool the clean water in the second water tank 137.
[0025] A water pump 139 is provided on one side of the second water tank 137, and the water pump 139 is used to extract the clean water after cooling in the second water tank 137. A self-priming pump 140 is provided on the other side of the second water tank 137, and the self-priming pump 140 is used to extract the clean water after absorbing heat in the storage chamber 134. The water pump 139 is connected with a water pumping pipe 141, and the water pumping pipe 141 is used to transport the clean water after cooling extracted by the water pump 139. The water pumping pipe 141 is sealed and connected to one end of the connecting rod 131. The self-priming pump 140 is connected with a delivery pipe 142. The delivery pipe 142 is convenient for transporting the clean water after absorbing heat extracted by the self-priming pump 140 to the second upward box. The delivery pipe 142 is sealed and connected to the other end of the connecting rod 131. The water pump 139 and the self-priming pump 140 are both sealed and connected to the second water tank 137.
[0026] Working principle: When in use, after the extruder extrude a section of the film, one end of the film is connected to the winding assembly 110, and the winding assembly 110 is used to wind the film, which has a certain traction force on the film, so that the film can pass through the air cooling assembly 120 and the water cooling assembly 130 evenly. The film first passes through the guide roller 124 on one side of the diverter box 121, and the guide roller 124 makes the film pass through the middle position of the symmetrically arranged diverter box 121, and the bellows 122 is started, and the bellows 122 blows cold air into the diverter box 121, and the air passing through the diverter box 121 is blown through the air outlet 123 on the diverter box 121. The film is air-cooled and cooled, and the film is guided to the water-cooling component 130 by the guide roller 124 on the other side of the shunt box 121. The connecting rod 131 of the water-cooling component 130 is divided into multiple and staggered arrangement and rotation on the bracket 101. The film passes through the cooling roller 132 and drives the first water pump 136. The first water pump 136 extracts the refrigerant in the first water tank 135 and cools the clean water in the second water tank 137 through the circulation pipe 138. The pumping pump 139 is connected to the second water tank 137 to extract the cooled clean water in the second water tank 137 and transport it through the pumping pipe 141. The water pipe 141 is connected to the connecting rod 131, and the water pumping pipe 141 transports the extracted cooled clean water to the conveying chamber 133, and then transports it to the storage chamber 134 in the cooling roller 132 through the conveying chamber 133, fills the storage chamber 134, and uses the cooling roller 132 to absorb the heat on the film through heat transfer, and then absorbs the heat on the cooling roller 132 through the cooled clean water. The other end of the connecting rod 131 is connected to the conveying pipe 142, and the conveying pipe 142 is connected to the self-priming pump 140. The self-priming pump 140 extracts the overflow in the storage chamber 134 to the conveying chamber 134 through the conveying pipe 142. 3, the self-priming pump 140 transports the extracted water to the second water storage tank 137, and the clean water is transported by the water pump 139 after cooling. The self-priming pump 140 and the water pump 139 transport the clean water in a balanced manner, so that the clean water in the storage chamber 134 is always full, and the clean water after absorbing heat in the storage chamber 134 is replaced, so that the cooling roller 132 can cool the film all the time, and the film is cooled by the air cooling component 120 first and then by the water cooling component 130, which can avoid the film from directly contacting the cooling device with a lower temperature, thereby avoiding the influence of the large temperature difference on the film performance.
[0027] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.
[0028] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.
Claims
1. A cooling and shaping device for CPP film production, characterized in that: The invention comprises a base plate (100), a bracket (101) is symmetrically arranged on the base plate (100), one end of the bracket (101) is connected to a winding assembly (110), the other end of the bracket (101) is provided with an air cooling assembly (120), the bracket (101) is connected to a water cooling assembly (130), and the water cooling assembly (130) is located in the middle of the air cooling assembly (120) and the winding assembly (110).
2. A cooling and shaping device for CPP film production as claimed in claim 1, characterized in that: The air cooling assembly (120) comprises a diverter box (121), the diverter box (121) is symmetrically arranged up and down, the diverter box (121) is connected to the bracket (101), and a wind box (122) is connected to the upper base surface of the diverter box (121).
3. A cooling and shaping device for CPP film production as claimed in claim 2, characterized in that: An air outlet (123) is provided on the lower base surface of the diverter box (121), and guide rollers (124) are provided on both sides of the diverter box (121), and the guide rollers (124) are rotatably arranged on the bracket (101).
4. A cooling and shaping device for CPP film production as claimed in claim 3, characterized in that: The water-cooling component (130) comprises a plurality of connecting rods (131), wherein the connecting rods (131) are rotatably arranged on the bracket (101), and a cooling roller (132) is connected to the connecting rods (131).
5. A cooling and shaping device for CPP film production as claimed in claim 4, characterized in that: A conveying cavity (133) is provided in the connecting rod (131), a storage cavity (134) is provided in the cooling roller (132), the conveying cavity (133) and the storage cavity (134) are connected to each other, a first water storage tank (135) is connected to the bottom plate (100), and a first water pump (136) is provided on one side of the first water storage tank (135).
6. A cooling and shaping device for CPP film production as claimed in claim 5, characterized in that: A second water storage tank (137) is provided on one side of the first water pump (136), and a circulation pipe (138) is connected to the first water storage tank (135). The circulation pipe (138) passes through the first water pump (136) and is spirally arranged in the second water storage tank (137).
7. A cooling and shaping device for CPP film production as claimed in claim 6, characterized in that: A water pump (139) is provided on one side of the second water storage tank (137), and a self-priming pump (140) is provided on the other side of the second water storage tank (137). A water pumping pipe (141) is connected to the water pump (139), and the water pumping pipe (141) is connected to one end of the connecting rod (131). A delivery pipe (142) is connected to the self-priming pump (140), and the delivery pipe (142) is connected to the other end of the connecting rod (131).