Cooling device for plastic film production
By designing a cooling device including guide rollers, drying components and winding components, the adhesion problem caused by cooling water residue in plastic film production is solved, and efficient water cooling and drying is achieved, ensuring the quality of the film.
Patent Information
- Application Number
- CN202411785861.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-06
- Publication Date
- 2025-03-18
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
During the production process of existing plastic films, cooling water residue leads to adhesion and affects quality.
A cooling device including a water tank, guide roller, drying assembly and rolling assembly is designed. The plastic film is guided into the cooling water through the guide roller for cooling, and the drying assembly is used to dry the drying assembly after water cooling to prevent water stains from remaining.
It realizes efficient water cooling and drying of plastic films, avoids adhesion and ensures the drying, clean and quality of the films.
Smart Images
Figure CN119636020A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of plastic film production, in particular to a cooling device for plastic film production. Background Art
[0002] Plastic film is a thin and soft sheet material made of plastic. It usually has a transparent or translucent appearance and can be used to package, cover and protect various items. It has good stretchability and durability, and has functions such as waterproof, dustproof and fresh-keeping. Therefore, it is widely used in various fields. In the production process of plastic film, an extruder is usually used to heat the plastic material and extrude it into a continuous film through an extruder head. In this process, the plastic is heated to a molten state, becoming soft and easy to process. However, after the plastic film is extruded, it needs to be cooled and solidified in time to ensure that the plastic film can be shaped, thereby maintaining the performance of the plastic film.
[0003] In the prior art, the cooling and solidification means for plastic film is mostly to use a winding mechanism to wind up the plastic film, so that the plastic film is in a moving state in cooling water, and the plastic film is cooled by the cooling water. However, when the plastic film is moved out of the cooling water, a large amount of water stains are likely to remain on the surface of the plastic film. These water stains will be retained between the plastic film layers for a long time as the plastic film is subsequently wound up, which can easily cause the plastic film to stick together, thereby affecting the quality of the plastic film. Summary of the invention
[0004] In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the embodiments of the present invention is to provide a cooling device for plastic film production.
[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: A cooling device for plastic film production includes a water tank, a first guide roller, a second guide roller, a drying component and a winding component. The water tank has an opening at the top. The first guide roller is rotatably arranged inside the water tank, the second guide roller is arranged on the upper part of the water tank and located at the edge of the through opening, and the second guide roller cooperates with the first guide roller to guide the plastic film from the through opening to the cooling water inside the water tank. The reeling assembly is installed on the upper edge of the water tank and is used to reel in the water-cooled plastic film. The drying component is installed on the inner wall of the water tank. When the plastic film is cooled by water and removed from the cooling water, the drying component is used to dry the plastic film.
[0006] As a further improvement of the present invention: the reel assembly includes a motor, a support seat and a reel. The support seats are provided with two groups, the two groups of support seats are fixedly mounted on the upper edge of the water tank, the two groups of support seats are relatively distributed, the reel is rotatably arranged between the two groups of support seats, and the motor is fixedly mounted on the side wall of one group of support seats to drive the reel to rotate.
[0007] As a further improvement of the present invention: the second guide rollers are provided with two groups, the two groups of the first guide rollers are rotatably arranged on opposite sides of the opening respectively, and the first guide rollers are provided with four groups, the four groups of the first guide rollers are distributed in a trapezoidal shape inside the water tank.
[0008] As a further improvement of the present invention: the drying assembly includes a box body, an air supply pipe, a drying pipe and a fan. The box body is fixedly mounted on the inner wall of the water tank, a slot vertically penetrating the shell is provided on the box body, the fan is fixedly mounted on the outer wall of the water tank, and the fan output end is connected to the inner cavity of the box body through an air inlet pipe. The drying tubes are provided with two groups, which are parallel and spaced apart, and a plurality of second through holes are provided on opposite sides of the two groups of drying tubes along the length direction. One end of the air supply pipe is connected with the inner cavity of the box body, and the other end is connected with the inner cavities of the two groups of drying tubes.
[0009] As a further improvement of the present invention: a rectangular structure is formed between the two groups of the first guide rollers located at the top and the two groups of the second guide rollers.
[0010] As a further improvement of the present invention: the second through hole is provided at a position obliquely below the drying tube.
[0011] As a further improvement of the present invention: a plurality of first through holes are provided at obliquely upper positions on one side opposite to the other of the two groups of drying tubes.
[0012] Compared with the prior art, the present invention has the following beneficial effects: In an embodiment of the present invention, after the production of the plastic film is completed, one end of the plastic film can be passed around the second guide roller and the first guide roller and connected to the winding assembly, and the plastic film is wound up by the winding assembly, thereby driving the plastic film to move. During the movement of the plastic film, the plastic film enters the cooling water inside the water tank under the guiding action of the first guide roller and the second guide roller, and the plastic film is cooled by the cooling water, thereby achieving cooling and solidification of the plastic film; after the plastic film is water-cooled and removed from the cooling water, the plastic film is dried by the drying assembly, thereby preventing the cooling water from remaining on the surface of the plastic film, so as to ensure that the plastic film is dry and clean, and to avoid the plastic film from sticking due to the presence of water stains during the subsequent winding process. Compared with the prior art, efficient water cooling of the plastic film can be achieved, and at the same time, the water-cooled plastic film can be dried to avoid the adhesion of the plastic film during the winding process due to residual water stains. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 A schematic diagram of the structure of a cooling device for plastic film production Figure 1 ; Figure 2 A schematic diagram of the structure of a cooling device for plastic film production Figure 2 ; Figure 3 A schematic diagram of the structure of a drying component in a cooling device for plastic film production Figure 1 ; Figure 4 A schematic diagram of the structure of a drying component in a cooling device for plastic film production Figure 2 ; Figure 5 for Figure 1 A magnified schematic diagram of the middle A area; In the figure: 10-water tank, 101-opening, 20-first guide roller, 30-second guide rail, 40-drying assembly, 401-box body, 4011-slot, 402-air pipe, 403-drying pipe, 4031-first through hole, 4032-second through hole, 404-inlet pipe, 405-fan, 50-winding assembly, 501-motor, 502-support seat, 503-reel. DETAILED DESCRIPTION
[0014] The technical solution of the present invention is further described in detail below in conjunction with specific implementation methods.
[0015] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.
[0016] In the description of the present invention, it should be understood that the terms "upper", "lower", "vertical", "top", "bottom", "inner", "outer" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be understood as limiting the present invention.
[0017] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, they can be fixedly connected or set, or detachably connected or set, or integrally connected or set. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0018] See also Figure 1 as well as Figure 2 The present embodiment provides a cooling device for plastic film production, including a water tank 10, a first guide roller 20, a second guide roller 30, a drying assembly 40 and a winding assembly 50. The water tank 10 has a through opening 101 at the top. The first guide roller 20 is rotatably arranged inside the water tank 10. The second guide roller 30 is arranged at the top of the water tank 10 and is located at the edge of the through opening 101. The second guide roller 30 cooperates with the first guide roller 20 to guide the plastic film from the through opening 101 to the cooling water inside the water tank 10. The winding assembly 50 is installed at the upper edge of the water tank 10 for winding the water-cooled plastic film. The drying assembly 40 is installed on the inner wall of the water tank 10. When the plastic film is water-cooled and removed from the cooling water, the drying assembly 40 is used to dry the plastic film.
[0019] After the production of the plastic film is completed, one end of the plastic film can be passed around the second guide roller 30 and the first guide roller 20 and connected to the winding assembly 50, and the plastic film is wound up by the winding assembly 50, thereby driving the plastic film to move. During the movement of the plastic film, the plastic film enters the cooling water inside the water tank 10 under the guiding action of the first guide roller 20 and the second guide roller 30, and the cooling water is used to cool the plastic film, thereby achieving cooling and solidification of the plastic film; after the plastic film is water-cooled and removed from the cooling water, the plastic film is dried by the drying assembly 40, thereby preventing cooling water from remaining on the surface of the plastic film, so as to ensure that the plastic film is dry and clean, and to avoid the plastic film from sticking due to the presence of water stains during the subsequent winding process.
[0020] See also Figure 5In one embodiment, the winding assembly 50 includes a motor 501, a support seat 502 and a reel 503. The support seat 502 is provided with two groups, and the two groups of the support seats 502 are fixedly installed on the upper edge of the water tank 10. The two groups of the support seats 502 are relatively distributed. The reel 503 is rotatably arranged between the two groups of the support seats 502. The motor 501 is fixedly installed on the side wall of one group of the support seats 502, and is used to drive the reel 503 to rotate.
[0021] After the production of the plastic film is completed, one end of the plastic film can be passed around the second guide roller 30 and the first guide roller 20 and wound around the outside of the reel 503, and then the motor 501 is used to drive the reel 503 to rotate. When the reel 503 rotates, the plastic film is rolled up, thereby pulling the plastic film so that the plastic film moves along the cooling water inside the water tank 10. The cooling water is used to cool the plastic film so that the plastic film can be quickly solidified and formed, thereby preventing the plastic film from sticking due to excessive temperature when it is rolled up.
[0022] See also Figure 1 In one embodiment, the second guide rollers 30 are provided with two groups, and the two groups of the first guide rollers 30 are rotatably arranged on opposite sides of the through opening 101 respectively. The first guide rollers 20 are provided with four groups, and the four groups of the first guide rollers 20 are distributed in a trapezoidal shape inside the water tank 10.
[0023] By setting up four groups of first guide rollers 20 distributed in a trapezoidal shape, the length of the plastic film inside the cooling water can be effectively increased, thereby improving the contact effect between the plastic film and the cooling water, and improving the cooling effect of the plastic film.
[0024] See also Figure 1 , Figure 2 , Figure 3 as well as Figure 4 In one embodiment, the drying component 40 includes a box body 401, an air supply pipe 402, a drying pipe 403 and a fan 405. The box body 401 is fixedly mounted on the inner wall of the water tank 10. The box body 401 is provided with a slot 4011 vertically penetrating the shell 401. The fan 405 is fixedly mounted on the outer wall of the water tank 10. The output end of the fan 405 is connected to the inner cavity of the box body 401 through an air inlet pipe 404. The drying pipe 403 is provided with two groups. The two groups of drying pipes 403 are parallel and spaced apart. A plurality of second through holes 4032 are provided on opposite sides of the two groups of drying pipes 403 along the length direction. One end of the air supply pipe 402 is connected to the inner cavity of the box body 401, and the other end is connected to the inner cavities of the two groups of drying pipes 403.
[0025] After the production of the plastic film is completed, one end of the plastic film can be passed around the two groups of second guide rollers 30 and the four groups of first guide rollers 20 and finally wound around the outside of the reel 503. When the plastic film enters the water tank 10 from the through port 101, it can pass through the box body 401 through the notch 4011. When the plastic film moves out of the cooling water, it can pass between the two groups of drying pipes 403. During the rotation of the reel 503 to pull the plastic film to move, the outside air can be transported from the air inlet pipe 404 to the inside of the box body 401 through the fan 405. After the outside air enters the inside of the box body 401, it can act on the part of the plastic film located inside the box body 40. Since the plastic film located inside the box body 401 has not yet entered the cooling water, the part of the plastic film located inside the box body 401 still carries a relatively high amount of heat. When the outside air acts on the part of the plastic film inside the box body 401, the heat on the plastic film can be blown to the inside of the two groups of drying pipes 403 through the air delivery pipe 402, and then the two groups of drying pipes 4 The plurality of second through holes 4032 on the side wall of 03 output and act on the opposite sides of the plastic film between the two groups of drying tubes 403. Since the plastic film portion between the two groups of drying tubes 403 has been water-cooled, when the outside air with heat acts on the opposite sides of the plastic film between the two groups of drying tubes 403, the water stains attached to the opposite side walls of the plastic film can be dried, so that the water-cooled plastic film is dry and clean, and the plastic film can be prevented from sticking due to the presence of water stains during the subsequent winding process; the heat carried by the plastic film that has not been water-cooled is transferred to the surface of the plastic film after water-cooling by the outside air, and while achieving the drying of water stains, the heat of the plastic film can also be effectively utilized, thereby avoiding the waste of heat energy. Moreover, when the outside air enters the interior of the box body 401 to take away the heat of the plastic film, the plastic film can also be preliminarily air-cooled before entering the cooling water, thereby further improving the cooling effect of the plastic film.
[0026] See also Figure 1 In one embodiment, a rectangular structure is formed between the two groups of the first guide rollers 20 and the two groups of the second guide rollers 30 located above, so that the plastic film portion passing through the box body 401 through the slot 4011 and the plastic film portion passing through between the two groups of drying tubes 403 can be in a vertical and relative state, so that the heat of the plastic film portion that has not entered the cooling water can directly heat the plastic film portion removed from the cooling water, thereby further improving the drying effect of water stains.
[0027] See also Figure 4In one embodiment, the second through hole 4032 is opened at a position obliquely below the drying tube 403, so that the hot air output through the second through hole 4032 can blow down the water stains on the side wall of the plastic film, thereby allowing larger water stains to slide down along the side wall of the plastic film into the cooling water below, while smaller water stains are directly dried by air, thereby improving the drying effect of the water stains.
[0028] See also Figure 3 In one embodiment, a plurality of first through holes 4031 are provided at the upper oblique positions on the opposite sides of the two groups of drying tubes 403 .
[0029] When the outside air carrying heat enters the two groups of drying tubes 403, part of the air can be output from the plurality of second through holes 4032, and then blow downward the water stains on the side wall of the plastic film, and the other part of the air can be output from the plurality of first through holes 4031, and then blow upward the small amount of water stains that have not been completely dried on the plastic film, thereby improving the drying effect of the plastic film.
[0030] In an embodiment of the present invention, after the production of the plastic film is completed, one end of the plastic film can be passed around the second guide roller 30 and the first guide roller 20 and connected to the winding assembly 50, and the plastic film is wound up by the winding assembly 50, thereby driving the plastic film to move. During the movement of the plastic film, the plastic film enters the cooling water inside the water tank 10 under the guiding action of the first guide roller 20 and the second guide roller 30, and the plastic film is cooled by the cooling water, thereby achieving the cooling and solidification of the plastic film; after the plastic film is water-cooled and removed from the cooling water, the plastic film is dried by the drying assembly 40, thereby preventing the cooling water from remaining on the surface of the plastic film, so as to ensure that the plastic film is dry and clean, and to avoid the plastic film from sticking due to the presence of water stains during the subsequent winding process. Compared with the prior art, efficient water cooling of the plastic film can be achieved, and at the same time, the water-cooled plastic film can be dried to avoid the adhesion of the plastic film during the winding process due to the residual water stains.
[0031] The preferred embodiments of the present invention are described in detail above, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of the present invention.
Claims
1. A cooling device for plastic film production, characterized in that: It includes a water tank, a first guide roller, a second guide roller, a drying component and a winding component. The water tank has an opening at the top. The first guide roller is rotatably arranged inside the water tank, the second guide roller is arranged on the upper part of the water tank and located at the edge of the through opening, and the second guide roller cooperates with the first guide roller to guide the plastic film from the through opening to the cooling water inside the water tank. The reeling assembly is installed on the upper edge of the water tank and is used to reel in the water-cooled plastic film. The drying component is installed on the inner wall of the water tank. When the plastic film is cooled by water and removed from the cooling water, the drying component is used to dry the plastic film.
2. A cooling device for plastic film production according to claim 1, characterized in that: The reel assembly includes a motor, a support seat and a reel. The support seats are provided with two groups, the two groups of support seats are fixedly mounted on the upper edge of the water tank, the two groups of support seats are relatively distributed, the reel is rotatably arranged between the two groups of support seats, and the motor is fixedly mounted on the side wall of one group of support seats to drive the reel to rotate.
3. A cooling device for plastic film production according to claim 1, characterized in that: There are two groups of second guide rollers, and the two groups of first guide rollers are rotatably arranged on opposite sides of the through opening respectively. There are four groups of first guide rollers, and the four groups of first guide rollers are distributed in a trapezoidal shape inside the water tank.
4. A cooling device for plastic film production according to claim 3, characterized in that: The drying assembly includes a box body, an air pipe, a drying pipe and a fan. The box body is fixedly mounted on the inner wall of the water tank, a slot vertically penetrating the shell is provided on the box body, the fan is fixedly mounted on the outer wall of the water tank, and the fan output end is connected to the inner cavity of the box body through an air inlet pipe. The drying tubes are provided with two groups, which are parallel and spaced apart, and a plurality of second through holes are provided on opposite sides of the two groups of drying tubes along the length direction. One end of the air supply pipe is connected with the inner cavity of the box body, and the other end is connected with the inner cavities of the two groups of drying tubes.
5. A cooling device for plastic film production according to claim 4, characterized in that: A rectangular structure is formed between the two groups of the first guide rollers located at the top and the two groups of the second guide rollers.
6. A cooling device for plastic film production according to claim 4, characterized in that: The second through hole is arranged at a position obliquely below the drying tube.
7. A cooling device for plastic film production according to claim 4, characterized in that: A plurality of first through holes are provided at obliquely upper positions on one side opposite to the two groups of drying tubes.