Cooling device for plastic processing

By combining air-cooling and water-cooling technologies, and utilizing semiconductor cooling chips and pumps to achieve air and water circulation cooling, the problem of deteriorating cooling effect in existing plastic film cooling devices has been solved, achieving efficient and low-cost plastic film cooling.

CN223456330UActive Publication Date: 2025-10-21BAIJIA MASCH EQUIP (HUIZHOU) CO LTD
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Patent Information

Application Number
CN202423030405.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-10
Publication Date
2025-10-21
Estimated Expiration
2034-12-10

AI Technical Summary

Technical Problem

The existing air-cooling method of plastic film cooling devices has led to a gradual deterioration in cooling effect, and air cooling alone cannot quickly cool the plastic film.

Method used

It adopts a dual cooling system, combining air cooling and water cooling technologies. It uses semiconductor cooling chips and pumps to achieve air and water circulation cooling, and uses a blower and cooling plate to achieve dual cooling of the plastic film.

Benefits of technology

It improves cooling efficiency, reduces production costs, and ensures that the plastic film remains uniformly cooled during movement, preventing wrinkles from forming.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223456330U_ABST
    Figure CN223456330U_ABST
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Abstract

The utility model discloses a cooling device for plastic processing, which comprises a bottom plate, an L-shaped support plate is fixed on one side of the upper surface of the bottom plate, two symmetrical blowing covers are fixed on one side of the top of the L-shaped support plate, and a first cooling plate and a second cooling plate are arranged on one sides of the two blowing covers. And the interiors of the first cooling plate and the second cooling plate are hollow. According to the plastic film cooling device, the bottom plate, the L-shaped supporting plate, the blowing covers, the first cooling plate, the second cooling plate, the refrigeration assembly, the pump body and the fan are arranged, a produced and formed plastic film penetrates through the two blowing covers and the space between the first cooling plate and the second cooling plate, and then air entering the blowing covers is refrigerated through the refrigeration assembly; meanwhile, water entering the first cooling plate and the second cooling plate is refrigerated, when the plastic film moves, dual refrigeration can be achieved, water cooling and air cooling of one refrigeration assembly are achieved at the same time, and therefore the refrigeration effect is improved, and meanwhile the production cost of the device is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic product processing, especially relates to a cooling device for plastic processing. BACKGROUND

[0002] The film made of polyvinyl chloride, polyethylene, polypropylene, polystyrene and other resins is used for packaging and as a coating layer. The proportion of plastic packaging and plastic packaging products in the market is increasing, especially the composite plastic soft packaging, which has been widely used in food, medicine, chemical industry and other fields. Such plastic film needs to be cooled after production is completed.

[0003] Through the search, the patent with publication number CN221417179U discloses a cooling device for plastic film processing, which cools the plastic film by setting two cooling boxes that can approach or move away from each other, enhancing the practicality of the device. However, the device uses air cooling, and the air temperature near the device will gradually increase as the plastic film is transported, which will gradually increase the temperature of the air blown by the air cooling, thus slowly reducing the cooling effect. Moreover, relying solely on air cooling cannot quickly cool the plastic film, so further improvement is needed. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides a cooling device for plastic processing.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a cooling device for plastic processing, comprising a bottom plate, an L-shaped support plate is fixed on one side of the upper surface of the bottom plate, two symmetrical blowout covers are fixed on one side of the top of the L-shaped support plate, a first cooling plate and a second cooling plate are arranged on one side of the two blowout covers, the interiors of the first cooling plate and the second cooling plate are designed as hollow, the second cooling plate is fixedly connected with the surface of the L-shaped support plate, an electric telescopic rod for lifting the first cooling plate is fixed on the top of the L-shaped support plate, a refrigeration assembly is installed on the upper surface of the bottom plate, and the refrigeration assembly comprises a water tank, cooling water is arranged at the bottom end in the water tank, a pump body connecting the water tank and the second cooling plate is installed on the upper surface of the bottom plate, and a fan connecting the water tank and the two blowout covers is installed on the upper surface of the bottom plate.

[0006] Further, a semiconductor refrigeration sheet is fixed on the upper surface of the water tank, the lower surface of the semiconductor refrigeration sheet is a refrigeration side, a plurality of cold guides are fixed at equal distances on the refrigeration side of the semiconductor refrigeration sheet, and the cold guides extend through the top wall of the water tank to the bottom of the water tank.

[0007] Further, the water tank top end two sides are provided with air inlet and air outlet respectively, the air outlet surface is fixed with air outlet cover, the air outlet cover and fan are connected with exhaust pipe, the fan and two air blowing cover are jointly connected with exhaust pipe.

[0008] Further, the air inlet is internally provided with filter screen.

[0009] Further, the pump body water suction port is communicated with water tank bottom through pipeline, the pump body water discharge port and second cooling plate are connected with drain pipe, the first cooling plate and second cooling plate are connected with communication pipe, and the first cooling plate and water tank are connected with backwater pipe.

[0010] Further, the first cooling plate and second cooling plate two ends are arc bending design.

[0011] Further, the electric telescopic rod bottom telescopic end surface is slidably sleeved with sleeve, and the sleeve bottom end is fixedly connected with the first cooling plate, and the sleeve inner bottom wall and the telescopic end of the electric telescopic rod are fixedly connected with spring.

[0012] The beneficial effects of the utility model are as follows:

[0013] The utility model discloses in using, a kind of cooling device for plastic processing, setting bottom plate, L-shaped support plate, air blowing cover, first cooling plate, second cooling plate, refrigeration assembly, pump body and fan, production formed plastic film passes between two air blowing covers and first cooling plate and second cooling plate, then utilizes refrigeration assembly to refrigerate the air of entering air blowing cover, while refrigerating the water of entering first cooling plate and second cooling plate, when plastic film moves, double refrigeration can be realized, and simultaneous water cooling and air cooling of one refrigeration assembly are realized, thereby improve refrigeration effect, and reduce device production cost simultaneously. ACCURACY

[0014] In order to more clearly illustrate the technical scheme of the utility model, the following will be to the specific implementation mode description needed to use the drawing briefly introduced, obviously, the following description in the drawing only some embodiments of the utility model, for the person skilled in the art comes, under the premise of not paying creative labor, other drawings can also be obtained according to these drawings.

[0015] Figure 1 The overall schematic diagram of the utility model is shown in the drawing.

[0016] Figure 2 The partial three-dimensional view of the utility model is shown in the drawing.

[0017] Figure 3 The partial three-dimensional view of the utility model is shown in the drawing. Figure 1 The enlarged view of A in the drawing.

[0018] The reference numerals are as follows:

[0019] 1. Base plate; 2. L-shaped support plate; 3. Blowing hood; 4. First cooling plate; 5. Second cooling plate; 6. Electric telescopic rod; 61. Sleeve; 62. Spring; 7. Refrigeration assembly; 71. Water tank; 72. Semiconductor refrigeration plate; 73. Cooling plate; 74. Air inlet; 75. Filter; 76. Air outlet; 77. Air outlet hood; 8. Pump body; 81. Drain pipe; 82. Connecting pipe; 83. Return pipe; 9. Fan; 91. Exhaust pipe; 92. Exhaust pipe. DETAILED DESCRIPTION

[0020] The following will be combined with the accompanying 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.

[0021] like Figures 1-3 As shown, a cooling device for plastic processing is provided, comprising a base plate 1, an L-shaped support plate 2 being fixed on one side of the upper surface of the base plate 1, two symmetrical blowing hoods 3 being fixed on one side of the top of the L-shaped support plate 2, a first cooling plate 4 and a second cooling plate 5 being provided on one side of the two blowing hoods 3, the interiors of the first cooling plate 4 and the second cooling plate 5 being both hollow, the second cooling plate 5 being fixedly connected to the surface of the L-shaped support plate 2, an electric telescopic rod 6 for driving the first cooling plate 4 to rise and fall being fixed on the top of the L-shaped support plate 2, a refrigeration assembly 7 being installed on the upper surface of the base plate 1, and the refrigeration assembly 7 comprising a water tank 71, cooling water being provided at the bottom end of the water tank 71, a pump body 8 connecting the water tank 71 and the second cooling plate 5 being installed on the upper surface of the base plate 1, and a fan 9 connecting the water tank 71 and the two blowing hoods 3 being installed on the upper surface of the base plate 1.

[0022] A semiconductor refrigeration plate 72 is fixed on the upper surface of the water tank 71, and the lower surface of the semiconductor refrigeration plate 72 is the cooling side. In addition, a number of cooling fins 73 are fixed at equal distances on the cooling side of the semiconductor refrigeration plate 72, and the cooling fins 73 extend through the top wall of the water tank 71 to the bottom of the water tank 71.

[0023] The cooling side of the semiconductor cooling plate 72 can cool the cooling plate 73 , and the cooling plate 73 can then be used to cool the water at the bottom of the water tank 71 .

[0024] An air inlet 74 and an air outlet 76 are respectively provided on both sides of the top of the water tank 71. An air outlet cover 77 is fixed to the surface of the air outlet 76. An exhaust pipe 91 is connected between the air outlet cover 77 and the fan 9. An exhaust pipe 92 is commonly connected between the fan 9 and the two blowing covers 3.

[0025] After starting the fan 9, the air outside the water tank 71 enters the top of the water tank 71 from the air inlet 74, at which time the air is cooled by the cooling fins 73, and the cooled air is discharged from the air outlet 76, then enters the two blow hoods 3 along the exhaust pipe 91 and the exhaust pipe 92, and finally blows from the two blow hoods 3 to the surface of the plastic film, thereby achieving air cooling of the plastic film.

[0026] The filter screen 75 is installed inside the air inlet 74.

[0027] By arranging the filter screen 75, external dust can be prevented from entering the inside of the water tank 71.

[0028] The pump body 8 is connected with the bottom of the water tank 71 through a pipeline, a drain pipe 81 is connected between the pump body 8 and the second cooling plate 5, a communication pipe 82 is connected between the first cooling plate 4 and the second cooling plate 5, and a backwater pipe 83 is connected between the first cooling plate 4 and the water tank 71.

[0029] Through the pump body 8, the water at the bottom of the water tank 71 can be pumped out and then injected into the second cooling plate 5 through the drain pipe 81, the water in the second cooling plate 5 enters the first cooling plate 4 along the communication pipe 82, and finally the water in the first cooling plate 4 returns to the water tank 71 along the drain pipe 81, thereby realizing a cooling cycle.

[0030] The first cooling plate 4 and the second cooling plate 5 are both designed to be arc-shaped and bent at both ends. When the plastic film passes through the first cooling plate 4 and the second cooling plate 5, the ends of the first cooling plate 4 and the second cooling plate 5 are avoided to cause wrinkles in the film.

[0031] The bottom telescopic end surface of the electric telescopic rod 6 is sleeved with a sleeve 61, the bottom end of the sleeve 61 is fixedly connected with the first cooling plate 4, and a spring 62 is fixedly connected between the inner bottom wall of the sleeve 61 and the telescopic end of the electric telescopic rod 6.

[0032] When the electric telescopic rod 6 drives the first cooling plate 4 to descend, the first cooling plate 4 and the second cooling plate 5 can clamp the plastic film, and the plastic film can be cooled when it moves. By arranging the spring 62, the plastic film can be prevented from being pressed to death by the first cooling plate 4 and the second cooling plate 5 and cannot move.

[0033] Working principle: After the produced plastic film passes between the two blow hoods 3 and then passes between the first cooling plate 4 and the second cooling plate 5, the electric telescopic rod 6 is started to drive the first cooling plate 4 to descend, so that the first cooling plate 4 and the second cooling plate 5 are attached to the plastic film, then the fan 9, the pump body 8 and the semiconductor refrigeration fin 72 are started, under the action of the fan 9, the air enters the top of the water tank 71, is cooled and then is blown out from the two blow hoods 3, air cooling of the plastic film is realized, the pump body 8 pumps the cooled water at the bottom of the water tank 71 into the inside of the first cooling plate 4 and the second cooling plate 5, and the first cooling plate 4 and the second cooling plate 5 continue to cool the plastic film.

[0034] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific implementation. Obviously, according to the content of the description, many modifications and changes can be made. The description selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the skilled in the art can well understand and use the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. Cooling device for plastic processing comprising a base plate (1), characterized in that: The bottom plate (1) upper surface side is fixed with L-shaped support plate (2), the L-shaped support plate (2) top side is fixed with two symmetrical blow cover (3), one side of two blow cover (3) is equipped with first cooling plate (4) and second cooling plate (5), the first cooling plate (4) and second cooling plate (5) inside are hollow design, the second cooling plate (5) and L-shaped support plate (2) surface fixed connection, the L-shaped support plate (2) top is fixed with the electric telescopic rod (6) of driving first cooling plate (4) lifting, the bottom plate (1) upper surface is installed with refrigeration assembly (7), and refrigeration assembly (7) includes water tank (71), the water tank (71) inside bottom end is equipped with cooling water, the bottom plate (1) upper surface is installed with the pump body (8) of connecting water tank (71) and second cooling plate (5), the bottom plate (1) upper surface is installed with the fan (9) of intercommunication water tank (71) and two blow cover (3).

2. The cooling device for plastic processing according to claim 1, characterized by: The water tank (71) upper surface is fixed with semiconductor refrigeration sheet (72), the semiconductor refrigeration sheet (72) lower surface is refrigeration side, and the refrigeration side of semiconductor refrigeration sheet (72) is fixed with several cold plates (73) at equal distance, the cold plate (73) extends to the bottom of water tank (71) through the top wall of water tank (71).

3. The cooling device for plastic processing according to claim 2, characterized in that: The water tank (71) top end both sides are respectively provided with air inlet (74) and air outlet (76), the air outlet (76) surface is fixed with air outlet cover (77), the air outlet cover (77) and fan (9) are connected with exhaust pipe (91), and the fan (9) and two blow cover (3) are jointly connected with exhaust pipe (92).

4. The cooling device for plastic processing according to claim 3, characterized in that: The air inlet (74) is installed with filter screen (75) inside.

5. The cooling device for plastic processing according to claim 1, characterized in that: The pump body (8) pumping port is communicated with the bottom of water tank (71) through pipeline, the pump body (8) drainage port and second cooling plate (5) are connected with drain pipe (81), the first cooling plate (4) and second cooling plate (5) are connected with communication pipe (82), and the first cooling plate (4) and water tank (71) are connected with backwater pipe (83).

6. The cooling device for plastic processing according to claim 1, characterized by: The first cooling plate (4) and second cooling plate (5) both ends are arc bending design.

7. The cooling device for plastic processing according to claim 1, characterized by: The bottom telescopic end surface of electric telescopic rod (6) is slidably sleeved with sleeve (61), and the sleeve (61) bottom end is fixedly connected with first cooling plate (4), and the inner bottom wall of sleeve (61) and the telescopic end of electric telescopic rod (6) are fixedly connected with spring (62).

Citation Information

Patent Citations

  • Cooling device for plastic film processing

    CN221417179U