A kind of production method of octagonal container
A production method, octagonal technology, applied to other home appliances, home appliances, applications, etc., can solve the problems of extended production cycle, thin sheet, weak ductility, etc., to improve production efficiency, good combination, and surface smooth effect
Active Publication Date: 2017-10-27
日清食品(中国)投资有限公司
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Problems solved by technology
[0002] At present, in the batching and tableting stages of octagonal containers, due to differences in raw material ratios and machine processing temperature adjustments, the formation of sheets is often difficult to achieve the specified weight and thickness, which affects the subsequent compression molding process
In the forming stage of the octagonal container, it is difficult to control the working temperature of the machine and the operation time of each step of forming, which affects the realization of the forming of the entire container
[0003] Once there is a difference in the ratio of raw materials or the working temperature is not controlled to reach the ideal state, the produced sheet will be too thin or too thick
The sheet is too thin and the ductility is weak. In the follow-up molding and pressing stage, the octagonal container has too many corners. After the sheet is shaped, the thickness of the side wall of the container and the corners is uneven, and the corners are prone to chapping and cracking.
If the sheet is too thick, the cost will increase, and the time to complete the entire molding will increase, prolonging the production cycle and affecting economic benefits
Method used
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Embodiment Construction
[0023] The present invention will be further described below in conjunction with drawings and embodiments.
[0024] The present invention includes step 1: Proportioning polypropylene (PP), polyethylene (PE), polyolefin elastomer (POE) and color masterbatch into an octagonal container outer layer raw material and inner layer raw material according to a certain ratio; polypropylene (PP), polyethylene (PE) and polyolefin elastomer (POE) are proportioned in a certain proportion to form the middle layer raw material of octagonal container. Among them, the outer layer raw material, the inner layer raw material and the middle layer raw material respectively contain polypropylene accounting for 62-85% by weight; polyethylene accounting for 4-15% by weight; polyolefin elastomer (POE) accounting for 4-15% Weight ratio: the color masterbatch accounts for 4-8% by weight (wherein, no color masterbatch is contained in the middle layer raw material).
[0025] It can be seen that the octagon...
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Abstract
The invention discloses a production method of an octagonal container. In the batching and tableting stages, each component in each layer of raw materials is prepared in proportion and sent to the outer layer, middle layer and inner layer of the distributor, and the tableting machine is adjusted at the same time. The working temperature is used to generate the sheet. After the sheet is produced, it is sent to the forming press to press the finished product. The control of the operation time of each step of forming and the control of the working temperature of the forming press ensure that the octagonal container reaches a certain thickness and elongation during the forming process, so that the folded edge of the side wall of the formed octagonal container is smooth and does not produce Chapping, cracking phenomenon, and stable performance.
Description
technical field [0001] The invention relates to the field of production and processing of plastic containers, in particular to a production method of an octagonal container. Background technique [0002] At present, in the batching and tableting stages of octagonal containers, due to differences in raw material ratios and machine processing temperature adjustments, it is often difficult to form sheets to reach the specified weight and thickness, which affects the subsequent compression molding process. In the forming stage of the octagonal container, it is also difficult to control the working temperature of the machine and the operation time of each step of forming, which affects the realization of the forming of the entire container. [0003] Once there is a difference in the ratio of raw materials or the working temperature is not controlled to reach the ideal state, the produced sheet will be too thin or too thick. The sheet is too thin and the ductility is weak. In the...
Claims
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IPC IPC(8): B29D22/00
Inventor 吴鸿飞
Owner 日清食品(中国)投资有限公司