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Cooking-resistant suction nozzle and production method thereof

A production method and cooking-resistant technology, applied in the field of materials and processing, can solve the problems of inability to withstand high temperature, use, etc., and achieve the effect of ensuring sealing performance, obvious gram weight, and improving market competitiveness.

Inactive Publication Date: 2018-11-13
永新股份(黄山)包装有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main component of the existing suction nozzle is HDPE (high-density polyethylene). When the contents of the package are meat, poultry, seafood, and botulism with a high pathogenicity rate, a high-temperature cooking process of 121°C and 30 minutes is required to achieve complete killing. The purpose of killing pathogenic bacteria, while conventional high-density polyethylene cannot be used in the high-temperature sterilization process at 121°C because it is not resistant to high temperatures

Method used

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  • Cooking-resistant suction nozzle and production method thereof
  • Cooking-resistant suction nozzle and production method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The production method of the suction nozzle comprises the steps:

[0024] S1. Add the pelletized polypropylene copolymer and the color masterbatch into the barrel of the injection molding machine according to the mass ratio of 100:2 and mix them evenly, and heat to 210 °C to reach a molten state;

[0025] S2. Inject the molten pellets into the mold cavity in four stages and hold the pressure for 1.8 seconds. The injection pressure of the first stage is 85bar, the injection pressure of the second stage is 75bar, the injection pressure of the third stage is 65bar, and the injection pressure of the fourth stage is 60bar. The four-stage injection time is 3.5 seconds respectively;

[0026] S3. After cooling for 6 seconds, the film is removed by rotating to obtain a nozzle product.

Embodiment 2

[0028] The production method of the suction nozzle comprises the steps:

[0029] S1. Add the pellets of homopolypropylene and the color masterbatch into the barrel of the injection molding machine according to the mass ratio of 100:2 and mix them evenly, and heat to 210 ° C to reach a molten state;

[0030] S2. Inject the molten pellets into the mold cavity in four stages and hold the pressure for 0.5 seconds. The injection pressure of the first stage is 85bar, the injection pressure of the second stage is 75bar, the injection pressure of the third stage is 65bar, and the injection pressure of the fourth stage is 60bar. The four-stage injection time is 3.5 seconds respectively;

[0031] S3. After cooling for 6 seconds, the film is removed by rotating to obtain a nozzle product.

Embodiment 3

[0033] The production method of the suction nozzle comprises the steps:

[0034] S1. Add the pellets of homopolypropylene and the color masterbatch into the barrel of the injection molding machine according to the mass ratio of 100:6 to mix evenly, and heat up to 210 ° C to reach a molten state;

[0035] S2. Inject the molten pellets into the mold cavity in four stages and hold the pressure for 1.8 seconds. The injection pressure of the first stage is 85bar, the injection pressure of the second stage is 75bar, the injection pressure of the third stage is 65bar, and the injection pressure of the fourth stage is 60bar. The four-stage injection time is 3.5 seconds respectively;

[0036] S3. After cooling for 6 seconds, the film is removed by rotating to obtain a nozzle product.

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Abstract

The invention relates to a cooking-resistant suction nozzle and a production method thereof. The material of the suction nozzle comprises homo-polypropylene and color master batch, and the mass ratioof the homo-polypropylene to the color master batch is (99-101):(1.5-2.5). The production method of the cooking-resistant suction nozzle comprises the steps that the granular homo-polypropylene and color master batch are added to a charging barrel of an injection molding machine for uniform mixing, and are heated to a molten state at 200-220 DEG C; the molten granular material is injected into a mold cavity in four stages for pressure maintaining, the injection pressure of the first stage is 85+ / -5 bar, the injection pressure of the second stage is 80+ / -5 bar, the injection pressure of the third stage is 60+ / -5 bar, and the injection pressure of the fourth stage is 60+ / -5 bar; and after cooling molding, demoulding is carried out by rotation. The situations of product deformation, crackingor liquid leakage of the cooking-resistant suction nozzle cannot occur after the cooking-resistant suction nozzle is cooked in a high temperature (121 DEG C) environment for a long time (30 min and above) or under the pressure conditions of being 80 kg for 3 min, so that the sealing performance of the corresponding product packaging is effectively ensured.

Description

technical field [0001] The invention belongs to the field of materials and processing, and particularly relates to a cooking-resistant suction nozzle and a production method thereof. Background technique [0002] The suction nozzle is a tube-cap assembly used on the packaging bag to achieve sealing. It is mainly used in liquid packaging bag products such as food and daily chemical products. The product is injected by an injection molding machine. It is made by cooling and forming in the cavity. At present, the nozzles on the market are mainly used for the packaging of jelly, soy milk, laundry detergent and other products. The main component of the existing suction nozzle is HDPE (high density polyethylene). When the contents of the package are meat, poultry, seafood, and botulinum with high pathogenicity, a high-temperature cooking process of 121 ° C and 30 minutes is required to achieve complete killing. The purpose of dead bacteria, and conventional high-density polyethy...

Claims

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Application Information

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IPC IPC(8): B29C45/00B29C45/44B29C45/77B65D33/36B29K23/00B29L1/00
CPCB29C45/0001B29C45/44B29C45/77B29C2945/76498B29C2945/76658B29C2945/76859B29K2023/10B29L2001/00B65D33/00
Inventor 丁全柱鲍祖本潘健高淼吴旭峰汪学文
Owner 永新股份(黄山)包装有限公司
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