Cooling mechanism for cast film forming

Abstract

The utility model discloses a cooling mechanism for cast film forming, which relates to the technical field of cast film cooling and comprises a mounting frame, a plurality of rotating shafts are rotatably mounted on the mounting frame, outer rollers are sleeved on the rotating shafts, roller covers are symmetrically arranged at two ends of each outer roller, water-proof cabins are arranged on opposite surfaces of the roller covers, through holes are formed in the rotating shafts, and the outer rollers are sleeved on the rotating shafts. The rotating shaft is provided with a rectangular through hole in the waterproof cabin section; according to the utility model, the mounting frame is matched with the rotating shaft, so that the cooling mechanism can be stably built and flexibly rotated, and the structural stability and the running smoothness are improved; the outer roller is matched with the roller cover and the waterproof cabin, so that a sealed cooling space is conveniently constructed, the sealing performance is improved, and the leakage of cooling liquid is prevented; the rotating shaft through hole is matched with the rectangular through opening and the spiral heat dissipation pipe, so that the cooling liquid uniformly circulates to absorb heat, the cooling uniformity is improved, and the cast film is uniformly cooled; finally, the problem that a traditional cooling mechanism is uneven in cooling is solved, and the cooling effect and production efficiency are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a cast film cooling technical field especially relates to a kind of cooling mechanism for cast film forming. BACKGROUND

[0002] In the production process of cast film, cooling link is crucial, directly influences the quality and performance of cast film.

[0003] The existing cooling device of cast film often uses the hollow inside of cooling roller to let cooling liquid rotate in the cooling roller, which leads to uneven distribution of cooling liquid in the roller, resulting in temperature difference on the surface of cooling roller, and further causing inconsistent cooling speed of each part of cast film in the cooling process. When the cast film has uneven thickness or slight wrinkles on the surface, this uneven cooling problem is more prominent, which is easy to cause internal stress of cast film, and finally affects its physical properties, such as tensile strength, flatness, etc., and reduces the yield of products. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in prior art, and provides a kind of cooling mechanism for cast film forming.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a kind of cooling mechanism for cast film forming, including mounting frame, a plurality of rotating shafts are rotatably installed on the mounting frame, an outer roller is sleeved on the rotating shaft, two ends of the outer roller are symmetrically provided with roller covers, water-tight compartments are provided on the opposite surfaces of the roller covers, a through hole is formed in the rotating shaft, and a rectangular opening is formed in the water-tight compartment section of the rotating shaft.

[0006] Preferably, a spiral heat dissipation pipe is connected between the two water-tight compartments, and the spiral heat dissipation pipe is attached to the inner wall of the outer roller.

[0007] Preferably, a circulating pipe is connected between one end of two rotating shafts of the plurality of rotating shafts and the outer wall of the mounting frame, and a water chiller is connected between the other end of the two rotating shafts.

[0008] Preferably, a sealing rubber ring is provided between the water-tight compartment and the roller cover.

[0009] Preferably, a pressure roller is provided at the upper end of one of the plurality of rotating shafts, and a sliding groove is formed at both ends of the pressure roller and located on the mounting frame.

[0010] Preferably, a fixing hole is formed on both sides of the outer wall of the mounting frame, a bracket is installed on the fixing hole, a motor is fixedly arranged on the bracket, and the output shaft of the motor is rotatably connected to one end of the pressure roller.

[0011] Compared with the prior art, the utility model has the advantages that: the utility model discloses through the rotation installation cooperation of mounting frame and pivot, conveniently ensure that the outer roller barrel rotates stably, improve the smoothness of the cast film transmission, avoid the uneven cooling caused by the wrinkle of cast film because of transmission jam, and can realize the function of uniformly cooling cast film, through the setting cooperation of outer roller barrel, roller cover and watertight cabin, conveniently create stable cooling space, improve the balance of cooling environment, reduce the cooling difference caused by the thickness change of cast film because of external factor interference, and can realize the function of stable cooling effect, through the communication cooperation of pivot internal through -hole, rectangular mouth and spiral cooling pipe, conveniently cooling liquid even circulation, improve the consistency of cooling medium effect, prevent the uneven cooling of cast film because of the local cooling liquid distribution difference, and can realize the function of balanced cooling, through the connection cooperation of circulating pipe, water chiller and pivot, conveniently accurate control cooling parameter, improve the precision of cooling process, avoid the uneven cooling of cast film because of the temperature and flow instability, and can realize the function of stable cooling cast film, through the cooperation of press roll, sliding slot, fixed hole, support and motor, conveniently even cast film thickness when cooling, improve the uniformity of cast film thickness, eliminate the cooling difference caused by the uneven thickness, and can realize the function of uniformly cooling cast film, finally solve the problem that the existing cast film forming cooling mechanism causes uneven cooling because of the wrinkle or uneven thickness of cast film, improve the uniformity, stability and reliability of the whole cooling of device. BRIEF DESCRIPTION OF DRAWINGS

[0012] The accompanying drawings, which are included to provide a further understanding of the present application and are incorporated in and constitute a part of this application, illustrate embodiments of the present application and serve to explain the present application. In the drawings:

[0013] Figure 1 The first perspective view of the overall structure of the present application is provided.

[0014] Figure 2 The first perspective view of the overall structure of the present application is provided.

[0015] Figure 3 The schematic view of the outer roller barrel structure of the present application is provided.

[0016] Figure 4 The enlarged sectional view of the outer roller barrel part of the present application is provided.

[0017] In the drawing, the serial number: 1, mounting frame, 2, pivot, 3, outer roller barrel, 4, roller cover, 5, watertight cabin, 6, spiral cooling pipe, 7, circulating pipe, 8, water chiller, 9, press roll, 10, support, 11, motor, 12, fixed hole. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0019] Embodiment: see Figures 1-4The utility model discloses a cooling mechanism for cast film forming, including mount 1, a plurality of rotating shafts 2 are equipped with on the mount 1 and rotate and install, the rotating shaft 2 is equipped with the outer roller 3 of sleeve joint, the both ends of outer roller 3 are equipped with the roller cover 4 symmetrically, the opposite face of roller cover 4 is equipped with the water-tight compartment 5 all, the inside of rotating shaft 2 is equipped with through -hole, and the inside of rotating shaft 2 is equipped with rectangular mouth in the water-tight compartment 5 section, the mount 1 is as the basic support structure of whole cooling mechanism, provides stable mounting position for rotating shaft 2 etc. part, ensures that each component can orderly combination and collaborative work, the rotating shaft 2 of rotating installation can make outer roller 3 flexible rotation, facilitate cast film steady transmission on its surface, reduce the cast film wrinkle or deformation caused by the transmission not smooth, guarantee the continuity and stability of cooling process, the outer roller 3 provides large area contact cooling surface for cast film, and the roller cover 4 at its both ends and the water-tight compartment 5 in the inside can effectively prevent the leakage of coolant, guarantee the sealing and independence of cooling area, make the cooling process more reliable and not be disturbed by outside, the through -hole in the inside of rotating shaft 2 and rectangular mouth provide passageway for the flow of coolant, ensure that the coolant can circulate in specific area, accurately cool cast film that contacts with outer roller 3, improve the pertinence and effectiveness of cooling, the spiral heat dissipation pipe 6 is equipped with between the two water-tight compartments 5, and the spiral heat dissipation pipe 6 is attached to the inner wall of outer roller 3, the spiral heat dissipation pipe 6 between the two water-tight compartments 5 greatly increases the flow path and heat dissipation area of coolant, makes the coolant more fully absorb the heat of outer roller 3, improves cooling efficiency, the spiral heat dissipation pipe 6 is attached to the inner wall of outer roller 3, can guarantee the high efficiency and uniformity of heat transfer, make the temperature of the surface of outer roller 3 more balanced, so that cast film is heated evenly in the cooling process, effectively avoid the cast film quality problem caused by uneven cooling, such as the thickness is not consistent, physical property difference etc., improve the overall quality of cast film, the circulation pipe 7 at the outer wall of mount 1 is communicated between the one end of two rotating shafts 2 of a plurality of rotating shafts 2, and the other end of two rotating shafts 2 is equipped with the water chiller 8, the two rotating shafts 2 are connected through circulation pipe 7 and are communicated with water chiller 8, form a complete coolant circulation system, the water chiller 8 can accurately control the temperature of coolant, and the circulation pipe 7 guarantees the stable flow of coolant between different rotating shafts 2, so that the whole cooling mechanism can continuously provide stable low-temperature environment, ensure that cast film can be uniformly and effectively cooled at each outer roller 3, the circulation system design improves the automation and controllability of cooling process, can flexibly adjust the cooling parameter according to the production process requirement of cast film, adapts to different production demands, improves production efficiency and the stability of product quality.

[0020] In the utility model, the sealing rubber ring is arranged between the water tank 5 and the roller cover 4; the sealing rubber ring arranged between the water tank 5 and the roller cover 4 further enhances the sealing property of the cooling area, effectively prevents the cooling liquid from leaking from the gap between the water tank 5 and the roller cover 4; the good sealing property not only can guarantee the normal progress of the cooling process, avoids the adverse effect caused by the leakage of the cooling liquid on the equipment and the production environment, but also can ensure the stable pressure inside the cooling mechanism, makes the cooling liquid circulate in the predetermined channel and space, maintains the stable cooling effect, guarantees the uniformity and reliability of the cast film cooling; the upper end of one of the plurality of rotating shafts 2 is provided with a compression roller 9; the both ends of the compression roller 9 are provided with sliding grooves at the mounting frame 1; the compression roller 9 is arranged at the upper end of one of the rotating shafts 2, and the sliding grooves at the both ends are matched with the mounting frame 1, so that the compression roller 9 can move up and down along the sliding grooves to adjust the position; the compression roller 9 can apply a certain pressure to the cast film, assists in flattening the cast film in the cooling process, reduces the wrinkles on the surface of the cast film, and makes the thickness of the cast film more uniform; the position of the compression roller 9 can be adjusted to adapt to the production requirement of the cast film with different thicknesses, improves the compatibility of the cooling mechanism for the cast film with different specifications, guarantees the quality stability of the cast film during cooling, and improves the yield of products; the both sides of the sliding grooves on the outer wall of the mounting frame 1 are provided with fixing holes 12; the fixing holes 12 are provided with supports 10; the supports 10 are fixedly provided with motors 11; one end of the compression roller 9 is rotatably connected with the output shaft of the motor 11; the fixing holes 12 at the sliding grooves on the both sides of the outer wall of the mounting frame 1 and the screwed supports 10 provide a stable mounting basis for the motor 11; the rotatable connection between the motor 11 and the output shaft of the compression roller 9 enables the compression roller 9 to actively rotate under the drive of the motor 11; the power drive of the motor 11 can guarantee that the relative movement between the compression roller 9 and the cast film is more stable and uniform, further improves the effect of the compression roller 9 on flattening the cast film, and reduces the wrinkles or uneven thickness of the cast film caused by manual operation or unstable power; meanwhile, the structure design facilitates the adjustment of the position and angle of the motor 11, facilitates the installation, maintenance and debugging of the equipment, and improves the operation convenience and practicability of the whole cooling mechanism.

[0021] Working principle: when the utility model is used, the water chiller 8 is started and the temperature parameter is set, the refrigeration is carried out and the cooling liquid is circulated to provide a low temperature source; the cast film is sent to the cooling mechanism, first contacts the outer roller 3 above the rotating shaft 2 with the compression roller 9, the motor 11 drives the compression roller 9 to rotate, the cast film is transmitted along the outer roller 3 by friction and self rotation, the compression roller 9 flattens the cast film to reduce wrinkles and make the thickness uniform; then, the cooling liquid enters the rotating shaft 2 under the pressure of the water chiller 8 through the pipeline, flows into the spiral cooling pipe 6 in the water tank 5 after passing through the through hole and the rectangular opening, because of the spiral structure and the design of the fitted inner wall, the cooling liquid slowly flows to absorb the heat of the outer roller 3 to reduce the temperature, the heat of the cast film is taken away by the cooling liquid after being transmitted to the outer roller 3; the cooling liquid is heated and returns to the water chiller 8 through the internal channel of the other rotating shaft 2 and the circulation pipe 7, is pumped into the system again after being cooled to circulate, continuously provides a stable low temperature uniform cooling environment for the cast film at each outer roller 3.

[0022] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A cooling mechanism for the shaping of a cast film, comprising a mounting frame (1), characterised in that: The mounting frame (1) is provided with a plurality of rotating shafts (2) which are rotatably installed on the mounting frame (1), the rotating shafts (2) are provided with outer rollers (3) which are sleeved on the rotating shafts (2), the outer rollers (3) are symmetrically provided with roller covers (4) at both ends of the outer rollers (3), the opposite surfaces of the roller covers (4) are provided with water-tight cabins (5), the rotating shafts (2) are provided with through holes in the interiors of the rotating shafts (2), and the rotating shafts (2) are provided with rectangular through openings in the water-tight cabin (5) sections. Spiral heat dissipation pipes (6) are communicated between the two water-tight cabins (5), and the spiral heat dissipation pipes (6) are attached to the inner walls of the outer rollers (3).

2. A cooling mechanism for cast film formation according to claim 1, characterized in that: A circulating pipe (7) is communicated between one end of two rotating shafts (2) of the plurality of rotating shafts (2) and the outer wall of the mounting frame (1), and the other end of the two rotating shafts (2) is provided with a water chiller (8).

3. A cooling mechanism for cast film formation according to claim 1, characterized in that: The water-tight cabin (5) is provided with a sealing rubber ring between the water-tight cabin (5) and the roller cover (4).

4. A cooling mechanism for cast film formation according to claim 2, characterized in that: The upper end of one of the plurality of rotating shafts (2) is provided with a press roller (9), and the two ends of the press roller (9) are provided with sliding grooves in the mounting frame (1).

5. A cooling mechanism for cast film formation according to claim 4, characterized in that: The mounting frame (1) is provided with fixing holes (12) on both sides of the outer wall of the mounting frame (1), the fixing holes (12) are provided with supports (10) which are screwed on the fixing holes (12), the supports (10) are fixedly provided with motors (11) on the supports (10), and one end of the press roller (9) is rotatably connected to the output shaft of the motor (11).

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