CN-224210524-U - Liquid nitrogen cooling blowing rim charge mechanism and blowing processingequipment

Abstract

The utility model discloses a liquid nitrogen cooling blow molding rim charge mechanism and a blow molding processing device, wherein a cooling assembly is placed beside a conveying belt, liquid nitrogen is filled in a liquid nitrogen storage tank, the liquid nitrogen is conveyed to a spray head through a conveying pipeline, the spray head is aligned to the conveying belt in a cooling chamber, the blow molding rim charge to be cooled is placed on the conveying belt and conveyed into the cooling chamber, the spray head is started to atomize the liquid nitrogen and then uniformly spray the liquid nitrogen on the blow molding rim charge, the cooling time of the blow molding rim charge can be greatly shortened by adopting liquid nitrogen cooling, the production efficiency is improved, the blow molding rim charge can be rapidly shaped by the ultralow temperature of the liquid nitrogen, the deformation and the internal stress are reduced, the material performance is improved, in addition, the liquid nitrogen is inert gas and cannot chemically react with the blow molding rim charge, and after vaporization, the liquid nitrogen is free of residues, and environment-friendly and pollution-free.

Inventors

• SHI WEISHENG
• Xue Xingshen

Assignees

• 利宾来塑胶工业（深圳）有限公司

Dates

Publication Date

20260508

Application Date

20250506

Claims (10)

1. 1. The liquid nitrogen cooling blow molding rim charge mechanism is characterized by comprising a cooling assembly, a transmission belt and a cooling chamber, wherein the transmission belt penetrates through the cooling chamber, the cooling assembly comprises a liquid nitrogen storage tank, a transmission pipeline and a spray head, two ends of the transmission pipeline are respectively communicated with the liquid nitrogen storage tank and the spray head, and the spray head is positioned in the cooling chamber and faces the transmission belt.
2. 2. The liquid nitrogen cooling blow molding rim charge mechanism of claim 1, wherein a temperature sensor is disposed in the cooling chamber.
3. 3. The liquid nitrogen cooled blow molding compound mechanism of claim 2, wherein the temperature sensor is disposed proximate a surface of the conveyor belt.
4. 4. The liquid nitrogen cooling blow molding rim charge mechanism of claim 2, wherein a plurality of temperature sensors are arranged along the conveying direction of the conveying belt.
5. 5. The liquid nitrogen cooling blow molding rim charge mechanism of claim 2, further comprising a controller, wherein the output end of the temperature sensor is electrically connected with the input end of the controller, the conveying pipeline is provided with a regulating valve, and the output end of the controller is electrically connected with the input end of the regulating valve.
6. 6. The liquid nitrogen cooling blow molding rim charge mechanism of claim 5, wherein the support plates are disposed on both sides of the conveyor belt, and the controller is mounted on the support plates.
7. 7. The liquid nitrogen cooling blow molding rim charge mechanism of claim 1, wherein the cooling chamber is provided with an input port and an output port, the conveying belt is input from the input port and output from the output port, air curtain machines are arranged at the input port and the output port, and the air supply direction of the air curtain machines is perpendicular to the conveying direction of the conveying belt.
8. 8. The liquid nitrogen cooled blow molding compound mechanism of claim 1, further comprising a drive member for driving the conveyor belt.
9. 9. A blow molding device, comprising a conveying mechanism and the liquid nitrogen cooling blow molding edge material mechanism as claimed in any one of claims 1 to 8, wherein the conveying mechanism is positioned at the input end of the conveying belt and is used for conveying the blow molding edge material to be cooled to the conveying belt.
10. 10. A blow molding apparatus as recited in claim 9, further comprising a blanking mechanism, wherein the blanking mechanism is positioned at an output end of the conveyor.

Description

Liquid nitrogen cooling blowing rim charge mechanism and blowing processingequipment Technical Field The utility model relates to the technical field of blow molding, in particular to a liquid nitrogen cooling blow molding rim charge mechanism and a blow molding device. Background The cooling of the blow molding rim charge means that the generated rim charge is subjected to cooling treatment in the blow molding process. In the blow molding production process, the cooling treatment of the rim charge is of great importance, the cooling treatment can prevent the rim charge from deforming, keep the stability of the performance of the rim charge, and is convenient to crush and recycle after cooling. In the prior art, a water cooling method is often adopted, although the cooling efficiency is high, the problems of rim charge dampness and the like can be caused, the material performance is influenced, and the cooling water can contain pollutants, so that the water quality pollution is easy to cause, and the environmental protection is not facilitated. Disclosure of utility model In order to overcome the defects of the prior art, the utility model provides a liquid nitrogen cooling blow molding rim charge mechanism and a blow molding processing device, which can solve the problems that the material performance is influenced and water quality pollution is caused by the existing blow molding rim charge cooling method. According to the technical scheme, the liquid nitrogen cooling blow molding rim charge mechanism comprises a cooling assembly, a conveying belt and a cooling chamber, wherein the conveying belt penetrates through the cooling chamber, the cooling assembly comprises a liquid nitrogen storage tank, a conveying pipeline and a spray head, two ends of the conveying pipeline are respectively communicated with the liquid nitrogen storage tank and the spray head, and the spray head is located in the cooling chamber and faces the conveying belt. As a further improvement of the above technical solution, a temperature sensor is provided in the cooling chamber. As a further improvement of the above technical solution, the temperature sensor is disposed near the surface of the conveyor belt. As a further improvement of the above technical solution, the temperature sensors are provided in a plurality, and the plurality of temperature sensors are arranged along the conveying direction of the conveyor belt. As a further improvement of the technical scheme, the intelligent temperature control system further comprises a controller, wherein the output end of the temperature sensor is electrically connected with the input end of the controller, a regulating valve is arranged on the conveying pipeline, and the output end of the controller is electrically connected with the input end of the regulating valve. As a further improvement of the above technical solution, support plates are provided on both sides of the conveyor belt, and the controller is mounted on the support plates. As a further improvement of the technical scheme, the cooling chamber is provided with an input port and an output port, the conveying belt is input from the input port and output from the output port, air curtain machines are arranged at the input port and the output port, and the air supply direction of the air curtain machines is perpendicular to the conveying direction of the conveying belt. As a further improvement of the above technical solution, the conveyor belt further comprises a driving member for driving the conveyor belt. On the other hand, a blow molding processing device is provided, and the blow molding processing device comprises a conveying mechanism and the liquid nitrogen cooling blow molding rim charge mechanism, wherein the conveying mechanism is positioned at the input end of the conveying belt and is used for conveying the blow molding rim charge to be cooled to the conveying belt. As a further improvement of the technical scheme, the automatic feeding device further comprises a feeding mechanism, wherein the feeding mechanism is positioned at the output end of the conveying belt. The utility model has the advantages that the cooling component is placed beside the conveying belt, the liquid nitrogen storage tank is filled with liquid nitrogen, the liquid nitrogen is conveyed to the spray head through the conveying pipeline, the spray head is aligned to the conveying belt in the cooling chamber, the blow molding rim charge to be cooled is placed on the conveying belt and conveyed into the cooling chamber, the spray head is started to atomize the liquid nitrogen and then uniformly spray the liquid nitrogen on the blow molding rim charge, the cooling time of the blow molding rim charge can be greatly shortened by adopting liquid nitrogen cooling, the production efficiency is improved, the blow molding rim charge can be rapidly shaped by the ultralow temperature of the liquid nitrogen, the deformation and the internal stress are r