Circulating cooling device for plastic raw material production

Abstract

The utility model relates to the field of circulating cooling devices, in particular to a circulating cooling device for plastic raw material production, which comprises a frame and a cooling box arranged on the frame, a cooling chamber is formed in the cooling box, a partition plate is arranged in the cooling chamber, a cooling pipeline is arranged in the cooling chamber, and a leading-in end and a leading-out end are formed at the end of the cooling pipeline. The cooling box is provided with a box cover used for sealing the cooling chamber, the cooling box is provided with a cold air inlet and a cold air outlet, the cold air inlet and the cold air outlet are communicated with the cooling chamber, and a circulating cooling assembly communicated with the cooling pipeline is arranged in the machine frame. And the circulating cooling assembly communicates with the cooling pipeline, and a refrigerant can be continuously provided for the cooling pipeline, so that the extrusion pipeline in the cooling chamber is cooled, and the cooling efficiency and the cooling effect are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to circulating cooling device field, concretely relates to the circulating cooling device of plastic raw material production. BACKGROUND

[0002] Plastic raw materials are widely used in many fields and have attracted much attention. It has been popularized in many aspects such as automobile manufacturing, packaging industry, construction industry, etc. At the same time, plastic materials are also widely used in agriculture, industrial electrical and electronic industry, mechanical industry and people's daily life. In the production process of plastic raw materials, the cooling link is very important. The circulating cooling device plays a very important role in many industrial and commercial fields. In the production process of plastic raw materials, the circulating cooling device is mainly used for cooling the extrusion pipe, mold and plastic parts in the injection molding process to ensure the complete and accurate product molding. Improve the effect and efficiency of plastic raw material production.

[0003] The existing circulating cooling device usually adopts high and low temperature circulating system, which is composed of a closed loop system of refrigeration compressor unit and auxiliary equipment and pipeline. The refrigeration compressor unit is composed of evaporator, compression chamber and condenser, and the auxiliary equipment includes refrigeration water tower, expansion valve and valve, etc. The refrigeration water tower is used for storing refrigeration water for the unit, and the expansion valve and valve are used for controlling the water amount entering the evaporator and the flow direction of oil in the oil return line. In the circulating cooling device for plastic raw material production, the cooling water flows through the water channel in the mold wall to realize effective cooling of the mold and plastic parts.

[0004] However, the existing circulating cooling device still has some defects in actual operation. The existing cooling device for plastic raw materials often has low cooling efficiency, which cannot meet the high efficiency demand of plastic raw material production. Since a large amount of heat is generated in the production process of plastic raw materials, if it cannot be cooled in time and effectively, it will affect the quality and performance of the raw materials, such as causing the deformation of plastic products, uneven internal structure, and some cooling devices have unreasonable structure design, uneven cooling, and some plastic raw materials may have quality difference due to excessive or insufficient cooling, which affects the cooling efficiency and effect of plastic raw material production. INVENTION CONTENTS

[0005] The utility model aims at solving the above defects, providing the circulating cooling device for plastic raw material production, to solve the technical problem that the cooling structure setting of the existing cooling device for plastic raw material in the above background technology is extremely simple, which leads to uneven effect, thereby affecting the cooling effect and efficiency.

[0006] The utility model aims at solving the above defects, providing the circulating cooling device for plastic raw material production, to solve the technical problem that the cooling structure setting of the existing cooling device for plastic raw material in the above background technology is extremely simple, which leads to uneven effect, thereby affecting the cooling effect and efficiency.

[0007] The utility model provides a circulating cooling device for plastic raw material production, including frame and the cooling box of setting up on the frame, the inside of cooling box forms the through -hole for the plastic raw material extrusion pipeline of wearing, the inside of cooling box forms the cooling chamber, the inside of cooling chamber is provided with a plurality of baffle, the opening for supporting plastic raw material extrusion pipeline is opened to baffle, and the opening for supporting plastic raw material extrusion pipeline is opened to baffle, and baffle is installed through the through -hole and is provided with the communicating pipe, cooling chamber is provided with the cooling pipeline for importing refrigerant and carries out heat exchange, and cooling pipeline is installed on the baffle and is wound, and the end of cooling pipeline is exposed to cooling box, and the end of cooling pipeline forms the import end and export end, and the box cover for sealing cooling chamber is provided on cooling box, and the cold -air inlet and cold -air outlet that communicate with cooling chamber are provided on cooling box, and the circulating cooling assembly that communicates with cooling pipeline is provided in the frame.

[0008] Further in the above description, the circulating cooling assembly includes a liquid storage tank, a water pump, and a circulating heat exchanger. The liquid storage tank is installed in the frame, and the side of the liquid storage tank is formed with a water inlet and a water outlet. The water pump is connected to the water outlet of the liquid storage tank, and the water pump is connected to the import end of the cooling pipeline. The circulating heat exchanger is connected to the export end of the cooling pipeline through a connecting pipeline, so that the refrigerant medium passes through the cooling pipeline to exchange heat with the cooling chamber and is transmitted to the circulating heat exchanger. The discharge end of the circulating heat exchanger is connected to the water inlet of the liquid storage tank to form a circulating channel.

[0009] The water pump drives the cooling medium in the liquid storage tank to be transmitted to the cooling pipeline in the cooling box, so that the cooling pipeline can exchange heat with the heat generated in the cooling box. The baffle is in contact with the plastic raw material extrusion pipeline through the opening, so that the heat generated by the extrusion pipeline is conducted to the baffle and then discharged through the cooling pipeline, thereby improving the heat exchange efficiency of the cooling chamber and the cooling effect of the extrusion pipeline.

[0010] Optionally, the liquid storage tank is provided with a cooling water machine or an oil cooler.

[0011] Further in the above description, the circulating heat exchanger is composed of a plurality of fin support plates and a circulating pipe. The side of the frame is provided with a driving fan for air cooling and heat dissipation of the circulating heat exchanger.

[0012] The circulating heat exchanger can preliminarily dissipate the heat of the cooling medium discharged from the cooling pipeline, thereby cooling the cooling medium and making it flow back to the liquid storage tank after heat dissipation, which further enhances the effect of the cooling medium on the circulating cooling of the cooling chamber.

[0013] Further in the above description, the side of the liquid storage tank is provided with a water inlet, and the water inlet is connected with a water inlet pipeline.

[0014] The water injection pipeline is connected with an external cooling tower, so that the cooling medium in the liquid storage tank can be further heat-exchanged, thereby improving the cooling effect and efficiency of the subsequent flow.

[0015] Further in the above description, the partitions are distributed in the cooling chamber, and the cooling pipelines are sequentially connected through the partitions, and the ends of the cooling pipelines extend to the outside of the cooling tank.

[0016] The partitions are arranged to contact the extrusion pipelines, so that the heat generated by the extrusion pipelines is conducted to the partitions and then conducted out through the connection of the cooling pipelines.

[0017] Further in the above description, the cooling tank is provided with sealing gaskets for sealing the through holes and the connection positions of the plastic raw material extrusion pipelines.

[0018] The sealing gaskets are arranged to seal the connection positions of the extrusion pipelines and the cooling tank, so that the cooling tank and the tank cover are sealingly matched, and the cooling gas is injected into the cooling tank through the cooling gas inlet, thereby further enhancing the heat exchange and cooling of the cooling chamber, and the cooled cooling gas is conducted out through the cooling gas outlet, thereby further enhancing the uniform heat exchange and cooling of the cooling chamber and improving the cooling effect and efficiency.

[0019] Further in the above description, the tank cover is rotatably connected with the cooling tank through the hinge, so that the tank cover can be opened and closed relative to the cooling tank.

[0020] The hinge is arranged to allow the tank cover to be opened and closed relative to the cooling tank, thereby facilitating the subsequent maintenance and monitoring.

[0021] The extrusion pipeline of the plastic raw material is inserted into the cooling chamber through the through hole, so that the cooling chamber can effectively cool the extrusion pipeline of the plastic raw material, the partitions divide the cooling chamber into multiple cooling areas, and the openings on the partitions provide support points for the extrusion pipeline of the plastic raw material, thereby ensuring the stability of the extrusion pipeline, the cooling pipeline is installed on the partitions and can directly conduct the refrigerant into the cooling chamber for heat exchange, thereby effectively reducing the temperature of the extrusion pipeline of the plastic raw material and improving the cooling speed and quality of the product, the tank cover on the cooling tank is used to seal the cooling chamber, thereby ensuring the uniformity and stability of the cooling environment, the cooling chamber is connected with the cooling gas inlet and the cooling gas outlet, so that the external cooling air can be introduced, thereby further helping to maintain the temperature balance in the cooling chamber and improving the cooling efficiency and flexibility, the circulating cooling assembly is connected with the cooling pipeline, so that the refrigerant can be continuously supplied to the cooling pipeline, the refrigerant medium is introduced and discharged through the inlet and outlet ends of the cooling pipeline, thereby cooling the extrusion pipeline in the cooling chamber, and the refrigerant is recycled, thereby improving the cooling efficiency and effect. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure from the forward-looking angle in this embodiment;

[0023] Figure 2 This is a schematic diagram of the overall structure from the rear-view angle in this embodiment;

[0024] Figure 3 This is a schematic diagram of the connection structure of the connecting pipe in this embodiment;

[0025] Figure 4 This is a schematic diagram of the circulating cooling component in this embodiment;

[0026] Figure 5 This is a schematic diagram of the cooling pipe structure in this embodiment;

[0027] Figure 6 This is a schematic diagram of the internal structure of the cooling chamber in this embodiment;

[0028] The reference numerals in the diagram are as follows: 1-frame, 2-cooling box, 3-through hole, 4-cooling chamber, 5-partition, 6-opening, 7-connecting pipe, 8-cooling pipe, 9-inlet end, 10-outlet end, 11-box cover, 12-cold air inlet, 13-cold air outlet, 14-circulating cooling assembly, 141-liquid storage tank, 142-water pump, 143-circulating heat exchanger, 144-water inlet, 145-water outlet, 15-drive fan, 16-water inlet, 17-water inlet pipe, 18-sealing gasket, 19-hinge, 20-connecting pipe, 21-discharge end. Detailed Implementation

[0029] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0030] In this embodiment, refer to Figures 1-6The utility model discloses a circulating cooling device for plastic raw material production, which comprises a rack 1 and a cooling box 2 arranged on the rack 1. The cooling box 2 is internally formed with a through hole 3 for penetrating the plastic raw material extrusion pipe. The cooling box 2 is internally formed with a cooling chamber 4. A plurality of partitions 5 are arranged in the cooling chamber 4. The partitions 5 are provided with openings 6 for supporting the plastic raw material extrusion pipe. A plurality of flow-through holes 3 are formed in the partitions 5. The partitions 5 are provided with a communication pipe 7 penetratingly arranged through the flow-through holes 3. The cooling chamber 4 is provided with a cooling pipe 8 for introducing a coolant and conducting heat exchange. The cooling pipe 8 is penetratingly arranged on the partitions 5. The end of the cooling pipe 8 is exposed outside the cooling box 2. The end of the cooling pipe 8 is formed with an inlet end 9 and an outlet end 10. The cooling box 2 is provided with a box cover 11 for sealing the cooling chamber 4. The cooling box 2 is provided with a cold air inlet 12 and a cold air outlet 13 in communication with the cooling chamber 4. The rack 1 is provided with a circulating cooling assembly 14 in communication with the cooling pipe 8.

[0031] The coolant is more uniformly distributed in the cooling box through the cold air inlet and the cooling pipe, avoiding the problems of excessive or insufficient local cooling, ensuring that the plastic raw material is uniformly cooled throughout the production process, thereby improving the stability of the quality of plastic products.

[0032] The circulating cooling assembly 14 comprises a liquid storage tank 141, a water pump 142 and a circulating heat exchanger 143. The liquid storage tank 141 is arranged in the rack 1. The side of the liquid storage tank 141 is formed with a water inlet 144 and a water outlet 145. The water pump 142 is in communication with the water outlet 145 of the liquid storage tank 141. The water pump 142 is in communication with the inlet end 9 of the cooling pipe 8. The circulating heat exchanger 143 is in communication with the outlet end 10 of the cooling pipe 8 through a connecting pipe 20. The coolant medium passes through the cooling pipe 8 to exchange heat with the cooling chamber 4 and is transmitted to the circulating heat exchanger 143. The discharge end 21 of the circulating heat exchanger 143 is in communication with the water inlet 144 of the liquid storage tank 141 to form a circulation channel.

[0033] The water pump 142 is arranged to drive the coolant medium in the liquid storage tank 141 to be transmitted to the cooling pipe 8 in the cooling box 2, so that the cooling pipe 8 can exchange heat with the heat generated in the cooling box 2. The partitions 5 are in contact with the plastic raw material extrusion pipe through the openings 6, so that the heat generated by the extrusion pipe is conducted to the partitions 5 and then discharged through the cooling pipe 8, improving the heat exchange efficiency of the cooling chamber 4 and the cooling effect of the extrusion pipe.

[0034] Optionally, the liquid storage tank 141 is provided with a cooling water machine or an oil cooler.

[0035] The circulating heat exchanger 143 is composed of several fin support plates and circulating pipes, and the side of the frame 1 is provided with a driving fan 15 for air cooling of the circulating heat exchanger 143. The cooling medium discharged from the cooling pipe 8 and carrying heat can be preliminarily cooled by the circulating heat exchanger 143, so that the cooling medium can be cooled, and flow into the liquid storage tank 141 after being cooled and radiated, thereby further enhancing the effect of the cooling medium on the circulating cooling of the cooling chamber 4 by the cooling channel.

[0036] The side of the liquid storage tank 141 is provided with a water injection port 16, and the water injection port 16 is connected with a water injection pipe 17. The water injection pipe 17 can be connected with an external cooling tower, so that the cooling medium in the liquid storage tank 141 can be further heat-exchanged, thereby improving the subsequent cooling effect and efficiency.

[0037] The partition plates 5 are distributed in the cooling chamber 4, the cooling pipe 8 passes through the partition plates 5 in series, and the end of the cooling pipe 8 extends to the outside of the cooling tank 2. The partition plates 5 can be contacted with the extrusion pipe, so that the heat generated by the extrusion pipe can be introduced into the partition plates 5, and then be heat-exchanged by the connection of the cooling pipe 8.

[0038] The cooling tank 2 is provided with a sealing gasket 18 for sealing the connection between the through hole 3 and the plastic raw material extrusion pipe. The sealing gasket 18 can seal the connection between the extrusion pipe and the cooling tank 2, so that the cooling tank 2 and the tank cover 11 are matched and sealed, and the cooling gas is injected into the cooling tank 2 through the cooling gas inlet 12, thereby further enhancing the heat exchange and cooling of the cooling chamber 4, and improving the cooling effect and efficiency.

[0039] The tank cover 11 is rotatably connected with the cooling tank 2 by the hinge 19, so that the tank cover 11 can be opened and closed with the cooling tank 2. The hinge 19 can be used for opening and closing the tank cover 11 relative to the cooling tank 2, thereby facilitating the subsequent maintenance and monitoring.

[0040] Optionally, the inside of the cooling chamber 4 is provided with a temperature sensor for detecting the temperature in the chamber.

[0041] The specific use principle in the embodiment is as follows:

[0042] The plastic raw material extrusion pipe is extruded from the through hole 3 into the cooling chamber 4, and the part of the extrusion pipe is located in the cooling chamber 4, so that the plastic raw material extrusion pipe can be effectively cooled through the cooling chamber 4. The cooling chamber 4 is divided into multiple cooling areas by the partition plate 5, and the opening 6 on the partition plate 5 provides a support point for the plastic raw material extrusion pipe, ensuring the stability of the extrusion pipe. The cooling pipe 8 is installed on the partition plate 5 and can directly introduce refrigerant into the cooling chamber 4 for heat exchange, effectively reducing the temperature of the plastic raw material extrusion pipe in the cooling chamber 4, improving the cooling speed and quality of the product. The cover 11 provided on the cooling box 2 is used to seal the cooling chamber 4, ensuring the uniformity and stability of the cooling environment. The cooling chamber 4 is connected with the external refrigeration air tower through the cold air inlet 12 and the cold air outlet 13, so that the cooling air can be introduced into the cooling chamber 4, further helping to maintain the temperature balance in the cooling chamber 4 and improving the cooling efficiency and flexibility.

[0043] The circulating cooling assembly 14 is connected with the cooling pipe 8, and the refrigerant in the liquid storage tank 141 can be introduced into the cooling channel through the water pump 142, so that the refrigerant can exchange heat with the partition plate 5 and the temperature in the chamber through the cooling chamber 4. The introduction end 9 and the export end 10 of the cooling pipe 8 facilitate the access and discharge of the refrigerant, and the heat-exchanged refrigerant is cooled by the circulating heat exchanger 143 and the driven fan 15, so as to cool and cool the extrusion pipe in the cooling chamber and realize the recycling of the refrigerant, improving the cooling efficiency and cooling effect.

[0044] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in any form. Although the present application is disclosed as above, it is not intended to limit the present application. Any skilled person in the art can make some changes or modifications to the above disclosed technical content without departing from the scope of the present application. Any simple modification, equivalent change and modification of the above embodiments are within the scope of the present application.

Claims

1. A circulating cooling device for producing plastic raw materials, comprising a frame and a cooling box mounted on the frame, wherein the interior of the cooling box has through holes for inserting plastic raw material extrusion pipes, characterized in that: The interior of the cooling box is formed with a cooling chamber, the interior of the cooling chamber is provided with a plurality of partitions, the partitions are provided with openings for supporting the plastic raw material extrusion pipeline, a plurality of flow-through holes are formed in the partitions, the partitions are provided with communication pipes through the flow-through holes, the cooling chamber is provided with a cooling pipeline for introducing refrigerant and conducting heat exchange, the cooling pipeline is installed on the partitions in a winding manner, the end of the cooling pipeline is exposed outside the cooling box, the end of the cooling pipeline is formed with an inlet end and an outlet end, the cooling box is provided with a box cover for sealing the cooling chamber, the cooling box is provided with a cold air inlet and a cold air outlet for communicating with the cooling chamber, and the rack is provided with a circulating cooling assembly for communicating with the cooling pipeline.

2. The circulating cooling device for plastic raw material production according to claim 1, characterized in that: The circulating cooling assembly comprises a liquid storage tank, a water pump and a circulating heat exchanger, the liquid storage tank is installed in the rack, the side of the liquid storage tank is formed with a water inlet and a water outlet, the water outlet of the liquid storage tank is communicated with the water pumping end of the water pump, the water discharging end of the water pump is communicated with the inlet end of the cooling pipeline, the circulating heat exchanger is communicated with the outlet end of the cooling pipeline through a connecting pipeline, so that the refrigerant medium passes through the cooling pipeline to conduct heat exchange on the cooling chamber and is transmitted to the circulating heat exchanger, the water inlet of the liquid storage tank is communicated with the water discharging end of the circulating heat exchanger to form a circulating channel.

3. The circulating cooling device for plastic raw material production according to claim 2, characterized in that: The circulating heat exchanger is composed of a plurality of fin support plates and a circulating pipe, the side of the rack is provided with a driving fan for air cooling and heat dissipation of the circulating heat exchanger.

4. The circulating cooling device for plastic raw material production according to claim 2, characterized in that: The side of the liquid storage tank is provided with a water injection port, and the water injection port is connected with a water injection pipeline.

5. The recirculating cooling device for producing plastic raw materials according to any one of claims 1 to 4, characterized in that: The partitions are distributed in the cooling chamber, the cooling pipeline passes through the partitions in series, and the end of the cooling pipeline extends to the outside of the cooling box.

6. The recirculating cooling device for producing plastic raw materials according to any one of claims 1 to 4, characterized in that: The cooling box is provided with a sealing gasket for sealing the through hole and the connection between the plastic raw material extrusion pipeline.

7. The recirculating cooling device for producing plastic raw materials according to any one of claims 1 to 4, characterized in that: The box cover is rotatably connected with the cooling box through a hinge, so that the box cover can be opened and closed with the cooling box.

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