Carbon fiber cooling roll

Abstract

The utility model relates to the field of cooling roller discloses a kind of carbon fiber cooling roller, including carbon fiber inner tube, carbon fiber outer tube and axle head, carbon fiber outer tube is sleeved in the outside of carbon fiber inner tube, the both ends of carbon fiber inner tube and carbon fiber outer tube are connected with axle head, the outer wall of carbon fiber inner tube is provided with spiral water tank, any one axle head is provided with the water inlet opening of intercommunication with the one end of spiral water tank, another axle head is provided with the water outlet opening of intercommunication with the other end of spiral water tank.The utility model has the advantages that: both can reduce the energy consumption generated in working process, thereby reducing production cost, also can more conveniently carry carbon fiber cooling roller;Meanwhile, it can effectively accelerate the heat dissipation speed on the surface of carbon fiber cooling roller, so that the cooling effect on film can be improved.

Description

Technical Field

[0001] This utility model relates to the field of cooling roller technology, specifically a carbon fiber cooling roller. Background Technology

[0002] During the film production process, the extruded film needs to be cooled. Currently, the cooling method for films is to use cooling rollers. Since the cooling rollers continuously absorb heat from the film, water flow channels need to be set inside the cooling rollers so that cooling water can flow within the channels, thereby cooling the surface of the cooling rollers; for example, a film cooling roller is disclosed in Chinese invention patent application number CN202210384075.9.

[0003] However, existing cooling rollers are usually made of metal rollers, which are bulky and heavy, increasing energy consumption during operation and requiring improvement in cooling performance. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides a carbon fiber cooling roller that can improve cooling efficiency while reducing energy consumption during operation.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A carbon fiber cooling roller includes a carbon fiber inner tube, a carbon fiber outer tube, and a shaft head. The carbon fiber outer tube is sleeved outside the carbon fiber inner tube. Both ends of the carbon fiber inner tube and the carbon fiber outer tube are connected to shaft heads. The outer wall of the carbon fiber inner tube is provided with a spiral water groove. One shaft head is provided with a water inlet opening that communicates with one end of the spiral water groove, and the other shaft head is provided with a water outlet opening that communicates with the other end of the spiral water groove.

[0007] Furthermore, it also includes an outer covering layer, which covers the outside of the carbon fiber outer tube.

[0008] Furthermore, the outer coating layer is a stainless steel coating layer.

[0009] Furthermore, the shaft head includes an end cover plate and a shaft extending outward from the center of the end cover plate, with the end face of the carbon fiber outer tube connected to the inner end face of the end cover plate.

[0010] Furthermore, the inner end face of the end cover plate is formed with a sealing protrusion that inserts into the carbon fiber inner tube and the carbon fiber outer tube, and the inner end face of the end cover plate is also formed with a sealing protrusion that inserts into the interior of the carbon fiber inner tube.

[0011] Furthermore, the end of the carbon fiber inner tube has a connecting hole at the position corresponding to the sealing protrusion, which is connected to the spiral water channel. The water inlet and water outlet extend from the free end face of the shaft to the sealing protrusion and are connected to the connecting hole.

[0012] Furthermore, the shaft includes a first shaft segment connected to the outer end face of the end cover plate and a second shaft segment connected to the first shaft segment, wherein the outer diameter of the first shaft segment is larger than the outer diameter of the second shaft segment.

[0013] Furthermore, the shaft head is a one-piece molded metal shaft head.

[0014] By adopting the above-mentioned technical solution of this utility model, at least the following beneficial effects are achieved: The carbon fiber cooling roller is designed to include a carbon fiber inner tube and a carbon fiber outer tube sleeved outside the inner tube. Since the density of carbon fiber is 1 / 4 that of steel, the weight of the entire carbon fiber cooling roller can be effectively reduced. This reduces energy consumption during operation, thereby lowering production costs, and also facilitates the handling of the carbon fiber cooling roller. Because the specific modulus of carbon fiber is three times that of steel, the carbon fiber cooling roller possesses greater rigidity, and the rotational inertia of the entire carbon fiber cooling roller is low, resulting in a high critical rotational speed. Simultaneously, a spiral conveying groove is provided on the outer wall of the carbon fiber inner tube. Because carbon fiber dissipates heat quickly, the introduction of cooling water into the spiral conveying groove effectively accelerates the heat dissipation rate on the surface of the carbon fiber cooling roller, thereby improving the cooling effect on the film. Furthermore, carbon fiber has certain chemical stability, good wear resistance, and does not rust like metals. Therefore, this effectively extends the service life of the entire carbon fiber cooling roller and reduces maintenance costs. Attached Figure Description

[0015] Figure 1 This is a diagram showing the internal structure of a carbon fiber cooling roller according to the present invention.

[0016] Figure 2 This is a cross-sectional view of the shaft head with a water inlet in this utility model;

[0017] Figure 3 This is an end view of the carbon fiber cooling roller of this utility model at the end with the water outlet.

[0018] Figure label:

[0019] 100 carbon fiber cooling rollers;

[0020] Carbon fiber inner tube 1, spiral water tank 11, connecting opening 12;

[0021] Carbon fiber outer tube 2;

[0022] Shaft head 3, water inlet opening 31, water outlet opening 32, end cover plate 33, sealing protrusion ring 331, sealing protrusion 332, shaft body 34, first shaft section 341, second shaft section 342;

[0023] Outer coating layer 4. Detailed Implementation

[0024] The technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0025] Please see the appendix Figures 1 to 3 As shown, this utility model provides a carbon fiber cooling roller 100, which includes a carbon fiber inner tube 1, a carbon fiber outer tube 2, and a shaft head 3. The carbon fiber outer tube 2 is sleeved on the outside of the carbon fiber inner tube 1. Both ends of the carbon fiber inner tube 1 and the carbon fiber outer tube 2 are connected to the shaft head 3, so as to seal both ends of the carbon fiber inner tube 1 and the carbon fiber outer tube 2, and at the same time realize the rotational support of the entire carbon fiber cooling roller 100 on the frame (not shown). The outer wall of the carbon fiber inner tube 1 is provided with a spiral water groove 11. One shaft head 3 is provided with a water inlet opening 31 connected to one end of the spiral water groove 11, and the other shaft head 3 is provided with a water outlet opening 32 connected to the other end of the spiral water groove 11. During operation, external cooling water is input from the water inlet opening 31 into the spiral conveying groove 11, and after flowing through the entire spiral conveying groove 11, it is output from the water outlet opening 32.

[0026] This utility model designs a carbon fiber cooling roller 100 comprising a carbon fiber inner tube 1 and a carbon fiber outer tube 2 sleeved outside the carbon fiber inner tube 1. Since the density of carbon fiber is 1 / 4 that of steel, the weight of the entire carbon fiber cooling roller 100 can be effectively reduced. This reduces energy consumption during operation, thereby lowering production costs, and also makes it easier to handle the carbon fiber cooling roller 100. Because the specific modulus of carbon fiber is 3 times that of steel, the carbon fiber cooling roller 100 has stronger rigidity, and the moment of inertia of the entire carbon fiber cooling roller 100 is low and the critical speed is high during operation. Meanwhile, a spiral conveying groove 11 is provided on the outer wall of the carbon fiber inner tube 1. Because carbon fiber dissipates heat quickly, cooling water is introduced into the spiral conveying groove 11, which can effectively accelerate the heat dissipation speed of the surface of the carbon fiber cooling roller 100, thereby improving the cooling effect on the film. In addition, carbon fiber has a certain chemical stability, good wear resistance, and does not rust like metal. Therefore, it can effectively extend the service life of the entire carbon fiber cooling roller 100 and reduce some maintenance costs. For example, using carbon fiber will not cause water channel blockage due to rust.

[0027] In some embodiments of this invention, the carbon fiber cooling roller 100 further includes an outer covering layer 4, which covers the outside of the carbon fiber outer tube 2. By covering the carbon fiber outer tube 2 with an additional outer covering layer 4, this invention not only provides protection for the carbon fiber outer tube 2 but also allows for the use of a material with good thermal conductivity as the outer covering layer 4, thus ensuring a good cooling effect.

[0028] In one specific embodiment of this utility model, the outer covering layer 4 is a stainless steel covering layer. Using a stainless steel covering layer can improve thermal conductivity, thereby ensuring the cooling effect. Of course, the above is only one specific embodiment of this utility model, but this utility model is not limited to this. In specific implementations, other materials can be used for the outer covering layer according to actual needs.

[0029] In some embodiments of this utility model, the shaft head 3 includes an end cover plate 33 and a shaft body 34 extending outward from the middle of the end cover plate 33. The end face of the carbon fiber outer tube 2 is connected to the inner end face of the end cover plate 33. The end cover plate 33 is used to seal both ends of the carbon fiber inner tube 1 and the carbon fiber outer tube 2, and the shaft body 34 is used to achieve a rotatable connection with the frame. In specific implementations of this utility model, adhesive can be used to bond and fix the end face of the carbon fiber outer tube 2 to the inner end face of the end cover plate 33 together.

[0030] Furthermore, to better seal both ends of the carbon fiber inner tube 1 and the carbon fiber outer tube 2 and ensure a sealing effect, a sealing protrusion 331 is formed on the inner end face of the end cover plate 33, which inserts into the space between the carbon fiber inner tube 1 and the carbon fiber outer tube 2. A sealing protrusion 332 is also formed on the inner end face of the end cover plate 33, which inserts into the interior of the carbon fiber inner tube 1. In practical implementation, adhesive can be applied to the outer surfaces of the sealing protrusion 331 and the sealing protrusion 332, so that after assembly, the ends of the carbon fiber inner tube 1 and the carbon fiber outer tube 2 can be more reliably bonded and fixed together with the end cover plate 33.

[0031] Furthermore, the end of the carbon fiber inner tube 1 is provided with a connecting hole 12 at the position corresponding to the sealing protrusion 332, which is connected to the spiral conveying groove 11. The water inlet 31 and the water outlet 32 ​​extend from the free end face of the shaft 34 to the sealing protrusion 332 and are connected to the connecting hole 12, so that the cooling water can enter the spiral conveying groove 11 from the water inlet 31 through the connecting hole 12, and can also be discharged from the spiral conveying groove 11 through the connecting hole 12 and the water outlet 32.

[0032] In one specific embodiment of this utility model, the shaft 34 includes a first shaft segment 341 connected to the outer end face of the end cover plate 33 and a second shaft segment 342 connected to the first shaft segment 341. The outer diameter of the first shaft segment 341 is larger than the outer diameter of the second shaft segment 342. In a specific implementation, the first shaft segment 341 can be used to achieve a rotatable connection with the frame, while the second shaft segment 342 can be used to connect with an external pipeline (not shown) for conveying cooling water, thereby realizing the input and output of cooling water.

[0033] As a specific embodiment of this utility model, in order to ensure the overall strength of the shaft head 3, the shaft head 3 is a one-piece molded metal shaft head.

[0034] In a specific implementation, the carbon fiber cooling roller 100 of this utility model can be set on the film production line, and the film to be cooled can be in contact with the roller surface of the carbon fiber cooling roller 100. At the same time, cooling water is introduced into the spiral conveying groove 11, so that the carbon fiber cooling roller 100 can be used to cool and reduce the temperature of the film.

[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A carbon fiber cooling roller, characterized in that, It includes a carbon fiber inner tube, a carbon fiber outer tube, and a shaft head. The carbon fiber outer tube is sleeved on the outside of the carbon fiber inner tube. Both ends of the carbon fiber inner tube and the carbon fiber outer tube are connected to shaft heads. The outer wall of the carbon fiber inner tube is provided with a spiral water groove. One shaft head has a water inlet opening that is connected to one end of the spiral water groove, and the other shaft head has a water outlet opening that is connected to the other end of the spiral water groove.

2. The carbon fiber cooling roller according to claim 1, characterized in that, It also includes an outer covering layer, which covers the outside of the carbon fiber outer tube.

3. The carbon fiber cooling roller according to claim 2, characterized in that, The outer cladding layer is a stainless steel cladding layer.

4. The carbon fiber cooling roller according to claim 1, characterized in that, The shaft head includes an end cover plate and a shaft extending outward from the middle of the end cover plate, with the end face of the carbon fiber outer tube connected to the inner end face of the end cover plate.

5. The carbon fiber cooling roller according to claim 4, characterized in that, The inner end face of the end cap plate is formed with a sealing protrusion that is inserted between the inner carbon fiber tube and the outer carbon fiber tube, and the inner end face of the end cap plate is also formed with a sealing protrusion that is inserted into the interior of the inner carbon fiber tube.

6. The carbon fiber cooling roller according to claim 5, characterized in that, The end of the carbon fiber inner tube has a connecting hole at the position corresponding to the sealing protrusion, which is connected to the spiral water tank. The water inlet and water outlet extend from the free end face of the shaft to the sealing protrusion and are connected to the connecting hole.

7. A carbon fiber cooling roller according to claim 4, characterized in that, The shaft includes a first shaft segment connected to the outer end face of the end cover plate and a second shaft segment connected to the first shaft segment, wherein the outer diameter of the first shaft segment is larger than the outer diameter of the second shaft segment.

8. The carbon fiber cooling roller according to claim 1, characterized in that, The shaft head is a one-piece molded metal shaft head.

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