Efficient cooling device for PVC color film production

Abstract

The utility model discloses an efficient cooling device for PVC (polyvinyl chloride) color film production, and relates to the technical field of efficient cooling devices. The cooling roller comprises a cooling roller body, a circulating cooling device and a transmission device, the transmission device moves outside the cooling roller body, a first pipeline is fixedly installed outside the transmission device, the circulating cooling device is fixedly installed outside the first pipeline, and a water injection pipeline is fixedly installed outside the circulating cooling device. In order to solve the problems that a traditional cooling method such as natural cooling or water cooling is low in cooling speed, high in energy consumption and low in production efficiency, the cooling roller is cooled through the water circulation cooling assembly, the temperature of a thin film is reduced through circulating cooling water in the roller body, the cooling speed is high, and the production efficiency is high. In this way, the uniform cooling effect can be achieved, water marks cannot be generated, and the requirement for large-scale production can be met.

Description

Technical Field

[0001] The utility model relates to the technical field of high-efficiency cooling devices, in particular to a high-efficiency cooling device for PVC color film production. Background Art

[0002] In the production of PVC color film, the use of efficient cooling device plays a key role. It can quickly reduce the temperature of thermoplastics and make them solidify quickly, thereby improving production efficiency, improving product quality, and reducing production costs. Thermoplastics in the extrusion process. In the production of PVC color film, the extruder extrude the heated PVC resin into a film through the extrusion head. During this process, the PVC is in a high temperature state and needs to be cooled quickly to ensure the shape is fixed and the quality is stable.

[0003] Traditional cooling methods, such as natural cooling or water cooling, have problems such as slow cooling speed, high energy consumption, and low production efficiency, and cannot meet the needs of large-scale production. To address the above problems, the inventors proposed a high-efficiency cooling device for PVC color film production to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a high-efficiency cooling device for PVC color film production. In order to solve the problems of slow cooling speed, high energy consumption and low production efficiency of traditional cooling methods, such as natural cooling or water cooling, the cooling roller is cooled by a water circulation cooling component, and the temperature of the film is reduced by circulating cooling water inside the roller body. This method can achieve a uniform cooling effect and will not produce water marks, which can meet the needs of large-scale production.

[0005] To solve the above technical problems, the present invention adopts the following technical solutions: a high-efficiency cooling device for PVC color film production, comprising a cooling roller body, a circulating cooling device and a transmission device, wherein the transmission device moves on the outside of the cooling roller body, a No. 1 pipe is fixedly installed on the outside of the transmission device, the circulating cooling device is fixedly installed on the outside of the No. 1 pipe, a water injection pipe is fixedly installed on the outside of the circulating cooling device, and a water circulating cooling assembly is fixedly installed on the outside of the circulating cooling device, wherein the water circulating cooling assembly comprises a cooling water pipe, a transmission cooling inner pipe, a spiral water fan and a No. 1 motor;

[0006] The cooling roller body is externally movably connected to a No. 1 fixed plate, and a gear transmission assembly is fixedly installed on the outside of the No. 1 fixed plate. The gear transmission assembly includes a No. 3 rotating shaft, a rotating shaft water pipe, a No. 3 fixed block and a No. 4 rotating shaft.

[0007] Preferably, the rotating shaft water pipe is fixedly installed on the outside of the cooling roller body, the rotating shaft water pipe is movably connected to a No. 1 fixed plate on the outside, the cooling water pipe is fixedly installed on the No. 1 fixed plate, and the cooling water pipe is fixedly installed on the inner wall of the cooling roller body.

[0008] Preferably, the fourth rotating shaft rotates outside the first fixed plate, the third gear is fixedly installed on the outside of the fourth rotating shaft, the second motor is fixedly installed on the outside of the transmission device, the third rotating shaft is externally rotatably connected to the outside of the second motor, the second gear is fixedly installed on the outside of the third rotating shaft, and the second gear is meshed with the fourth rotating shaft.

[0009] Preferably, the rotating shaft water pipe rotates outside the No. 3 fixed block, and a No. 1 gear ring is fixedly installed on the outside of the rotating shaft water pipe, and the No. 1 gear ring is engaged with the No. 2 gear.

[0010] Preferably, the transmission cooling inner tube is fixedly mounted on the inner wall of the circulating cooling device, the No. 1 motor is fixedly mounted on the outside of the circulating cooling device, a No. 2 pipe is opened outside the No. 1 pipe, and the transmission cooling inner tube is connected to the No. 2 pipe.

[0011] Preferably, the No. 1 motor is externally rotatably connected to the No. 1 rotating shaft, a spiral water fan is fixedly installed on the outside of the No. 1 rotating shaft, and the spiral water fan rotates on the inner wall of the transmission cooling inner tube, and the transmission cooling inner tube is connected to the water injection pipe.

[0012] Preferably, the No. 1 pipeline is connected to the No. 3 fixed block, the rotating shaft water pipe is rotatably connected to the No. 3 fixed block, and the cooling water pipe is connected to the No. 1 fixed plate.

[0013] Preferably, a No. 1 limit block is fixedly installed on one end of the cooling roller body away from the No. 1 fixed plate, the number of the cooling water pipes is multiple groups and distributed in a circular array, and a high-efficiency heat dissipation pipe is opened on the outside of the cooling roller body.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. In the present invention, by providing a water circulation cooling assembly, the temperature of the film can be lowered by circulating cooling water inside the roller body. This method can achieve a uniform cooling effect and will not produce water marks. No water marks or water droplets will be left on the surface of the color film, ensuring the appearance quality of the color film. The circulating cooling water inside the roller body can ensure that the entire surface of the color film is evenly cooled, not just a certain area, so that the temperature distribution of the color film is more uniform during the cooling process, avoiding uneven shrinkage or deformation caused by temperature gradients.

[0016] 2. In the present invention, by designing multiple cooling rollers and cooperating with high-efficiency heat dissipation pipes, the color film can be gradually cooled. Through gradual cooling, the PVC color film can be gradually solidified during the cooling process, which is beneficial to reduce internal stress, avoid defects such as bubbles and warping, and improve the surface smoothness and flatness of the product. Gradual cooling can avoid equipment vibration and vibration caused by rapid temperature changes, increase equipment stability, and extend equipment service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0019] Figure 2 This is a cross-sectional view of the cooling roller structure of the utility model.

[0020] Figure 3 This is a cross-sectional view of the structure of the circulating cooling device of the present utility model.

[0021] Figure 4 This is a schematic structural diagram of the circulating cooling device of the utility model.

[0022] Figure 5 This is a schematic diagram of the transmission structure of the utility model.

[0023] Figure 6 For this utility model Figure 2 A magnified schematic diagram of the structure in the middle.

[0024] Figure 7 For this utility model Figure 4 A magnified schematic diagram of the structure at point B in the middle.

[0025] Figure 8 For this utility model Figure 5 Enlarged schematic diagram of the structure at point C in the middle.

[0026] In the figure: 1. Cooling roller body; 101. High-efficiency heat dissipation pipe; 102. Cooling water pipe; 103. Fixed plate No. 1; 104. Fixed sealing plate No. 1; 2. Circulating cooling device; 201. Water injection pipe; 202. Pipe No. 1; 203. Transmission cooling inner pipe; 204. Spiral water fan; 205. Motor No. 1; 206. Rotating shaft No. 1; 207. Pipe No. 2; 3. Transmission device; 301. Motor No. 2; 302. Rotating shaft No. 3; 303. Rotating shaft water pipe; 304. Gear ring No. 1; 305. Gear No. 2; 306. Gear No. 3; 307. Rotating shaft No. 4; 308. Fixed block No. 3; 309. Limit block No. 1. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] Example: Figure 1-8 As shown, the utility model provides a high-efficiency cooling device for PVC color film production, including a cooling roller body 1, a circulating cooling device 2 and a transmission device 3. The transmission device 3 is movable on the outside of the cooling roller body 1. A first pipe 202 is fixedly installed on the outside of the transmission device 3. The circulating cooling device 2 is fixedly installed on the outside of the first pipe 202. A water injection pipe 201 is fixedly installed on the outside of the circulating cooling device 2. A water circulating cooling component is fixedly installed on the outside of the circulating cooling device 2. The water circulating cooling component includes a cooling water pipe 102, a transmission cooling inner pipe 203, a spiral water fan 204 and a first motor 205.

[0029] The cooling roller body 1 is externally movably connected to a No. 1 fixed plate 103 , and a gear transmission assembly is fixedly installed on the outside of the No. 1 fixed plate 103 . The gear transmission assembly includes a No. 3 rotating shaft 302 , a rotating shaft water pipe 303 , a No. 3 fixed block 308 and a No. 4 rotating shaft 307 .

[0030] A rotating shaft water pipe 303 is fixedly installed on the outside of the cooling roller body 1. The rotating shaft water pipe 303 is movably connected to the outside of the first fixing plate 103. A cooling water pipe 102 is fixedly installed on the outside of the first fixing plate 103. The cooling water pipe 102 is fixedly installed on the inner wall of the cooling roller body 1.

[0031] By adopting the above technical solution, the cooling water pipe 102 is fixedly installed on the outside of the No. 1 fixing plate 103, and the cooling water pipe 102 can be used to efficiently dissipate the heat in the cooling roller body 1 and conduct it out.

[0032] The fourth rotating shaft 307 rotates outside the first fixed plate 103, and the third gear 306 is fixedly installed on the outside of the fourth rotating shaft 307. The second motor 301 is fixedly installed on the outside of the transmission device 3. The outside of the second motor 301 is rotatably connected to the third rotating shaft 302. The outside of the third rotating shaft 302 is fixedly installed with the second gear 305. The second gear 305 is meshed with the fourth rotating shaft 307.

[0033] By adopting the above technical solution, the second gear 305 is meshed with the fourth rotating shaft 307, and the second motor 301 can be used to drive the cooling roller body 1 to rotate, thereby providing transmission power to the cooling device.

[0034] The rotating shaft water pipe 303 rotates on the outside of the third fixed block 308 . A first gear ring 304 is fixedly installed on the outside of the rotating shaft water pipe 303 . The first gear ring 304 is meshed with the second gear 305 .

[0035] By adopting the above technical solution, the first gear ring 304 is meshed with the second gear 305 , and the rotation of the third rotating shaft 302 can drive the rotating shaft water pipe 303 to rotate.

[0036] The transmission cooling inner pipe 203 is fixedly installed on the inner wall of the circulating cooling device 2, the No. 1 motor 205 is fixedly installed on the outside of the circulating cooling device 2, a No. 2 pipe 207 is opened outside the No. 1 pipe 202, and the transmission cooling inner pipe 203 and the No. 2 pipe 207 are connected.

[0037] By adopting the above technical solution, the cooling water in the water injection pipe 201 can flow into the No. 1 pipe 202 by connecting the transmission cooling inner pipe 203 with the No. 2 pipe 207.

[0038] The No. 1 motor 205 is externally rotatably connected to the No. 1 rotating shaft 206 , and a spiral water fan 204 is fixedly installed on the outside of the No. 1 rotating shaft 206 . The spiral water fan 204 rotates on the inner wall of the transmission cooling inner tube 203 , and the transmission cooling inner tube 203 is connected to the water injection pipe 201 .

[0039] By adopting the above technical solution, the cooling water in the transmission cooling inner tube 203 can flow into the No. 1 pipeline 202 through the transmission cooling inner tube 203 and the water injection pipeline 201.

[0040] The No. 1 pipeline 202 is connected to the No. 3 fixed block 308 , the shaft water pipe 303 is rotatably connected to the No. 3 fixed block 308 , and the cooling water pipe 102 is connected to the No. 1 fixed plate 103 .

[0041] By adopting the above technical solution, the cooling water pipe 102 is connected to the first fixed plate 103, and the water with heat in the cooling water pipe 102 can be transferred to the circulating cooling device 2 through the first fixed plate 103 for cooling.

[0042] A first limit block 309 is fixedly installed on one end of the cooling roller body 1 away from the first fixing plate 103. The number of cooling water pipes 102 is multiple and distributed in a circular array. An efficient heat dissipation pipe 101 is opened on the outside of the cooling roller body 1.

[0043] By adopting the above technical solution, the number of cooling water pipes 102 is multiple and distributed in a circular array, and the temperature of the film can be lowered by the cooling water pipes 102 inside the roller body, thereby achieving a uniform cooling effect.

[0044] Working principle: When a high-efficiency cooling device for PVC color film production is required to cool the PVC color film during production, a water injection pipe 201 is used to deliver cooling water to the circulating cooling device 2. When the color film passes through multiple cooling rollers 1 during production, the No. 2 motor 301 is used to drive the No. 3 rotating shaft 302 to rotate, and the No. 3 rotating shaft 302 drives the rotating shaft water pipe 303 and the No. 3 gear 306 to rotate. The rotation of the rotating shaft water pipe 303 allows the rolled color film to pass through multiple cooling rollers 1. When the cooling rollers 1 come into contact with the color film, the heat of the color film can be transferred to the cooling rollers 1, and then the heat is transferred to the cooling rollers 1 through the multiple cooling water pipes 102 provided in the cooling rollers 1.

[0045] At the same time, the No. 1 rotating shaft 206 is driven to rotate by the No. 1 motor 205, and the No. 1 rotating shaft 206 is driven to rotate the spiral water fan 204 inside the transmission cooling inner tube 203. It can be connected with the No. 1 fixed sealing plate 104 through the cooling water pipe 102, and the No. 1 pipe 202 is connected with the transmission cooling inner tube 203. Finally, the cooling water heated in the cooling water pipe 102 can flow into the circulating cooling device 2 through the rotation of the spiral water fan 204 for cooling and recirculation into the cooling water pipe 102, finally completing the entire cooling cycle.

[0046] Obviously, those skilled in the art may make various modifications and variations to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include such modifications and variations.

Claims

1. A high-efficiency cooling device for PVC color film production, comprising a cooling roller (1), a circulating cooling device (2) and a transmission device (3), characterized in that: The transmission device (3) is movable outside the cooling roller body (1), a fixed sealing plate (104) is fixedly installed outside the cooling roller body (1), a pipe (202) is fixedly installed outside the transmission device (3), the circulating cooling device (2) is fixedly installed outside the pipe (202), a water injection pipe (201) is fixedly installed outside the circulating cooling device (2), and a water circulating cooling component is fixedly installed outside the circulating cooling device (2), and the water circulating cooling component includes a cooling water pipe (102), a transmission cooling inner pipe (203), a spiral water fan (204) and a motor (205); The cooling roller body (1) is externally movably connected to a No. 1 fixed plate (103), and a gear transmission assembly is fixedly installed on the outside of the No. 1 fixed plate (103), and the gear transmission assembly includes a No. 3 rotating shaft (302), a rotating shaft water pipe (303), a No. 2 gear (305), a No. 3 fixed block (308) and a No. 4 rotating shaft (307).

2. The high-efficiency cooling device for PVC color film production according to claim 1, characterized in that: The rotating shaft water pipe (303) is fixedly installed on the outside of the cooling roller body (1), and the rotating shaft water pipe (303) is movably connected to a No. 1 fixed plate (103) on the outside. The cooling water pipe (102) is fixedly installed on the outside of the No. 1 fixed plate (103), and the cooling water pipe (102) is fixedly installed on the inner wall of the cooling roller body (1).

3. The high-efficiency cooling device for PVC color film production according to claim 1, characterized in that: The fourth rotating shaft (307) rotates outside the first fixed plate (103), the third gear (306) is fixedly installed on the outside of the fourth rotating shaft (307), the second motor (301) is fixedly installed on the outside of the transmission device (3), the third rotating shaft (302) is rotatably connected to the outside of the second motor (301), the second gear (305) is fixedly installed on the outside of the third rotating shaft (302), and the second gear (305) is meshed with the fourth rotating shaft (307).

4. The high-efficiency cooling device for PVC color film production according to claim 1, characterized in that: The rotating shaft water pipe (303) rotates outside the third fixed block (308), and a first gear ring (304) is fixedly installed outside the rotating shaft water pipe (303), and the first gear ring (304) is meshed with the second gear (305).

5. The high-efficiency cooling device for PVC color film production according to claim 1, characterized in that: The transmission cooling inner pipe (203) is fixedly mounted on the inner wall of the circulating cooling device (2), the No. 1 motor (205) is fixedly mounted on the outside of the circulating cooling device (2), a No. 2 pipe (207) is provided outside the No. 1 pipe (202), and the transmission cooling inner pipe (203) and the No. 2 pipe (207) are connected.

6. The high-efficiency cooling device for PVC color film production according to claim 1, characterized in that: The first motor (205) is externally rotatably connected to a first rotating shaft (206), and a spiral water fan (204) is fixedly installed on the outside of the first rotating shaft (206). The spiral water fan (204) rotates on the inner wall of the transmission cooling inner tube (203), and the transmission cooling inner tube (203) is connected to the water injection pipe (201).

7. The high-efficiency cooling device for PVC color film production according to claim 1, characterized in that: The No. 1 pipeline (202) is connected to the No. 3 fixed block (308), the rotating shaft water pipe (303) is rotatably connected to the No. 3 fixed block (308), and the cooling water pipe (102) is connected to the No. 1 fixed plate (103).

8. The high-efficiency cooling device for PVC color film production according to claim 1, characterized in that: A first limiting block (309) is fixedly mounted on one end of the cooling roller body (1) away from the first fixing plate (103); the cooling water pipes (102) are provided in multiple groups and are distributed in a circular array; and a high-efficiency heat dissipation pipe (101) is provided on the outside of the cooling roller body (1).

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