Bottle blowing processing technology for hand cream blow molding bottle without butt joint at bottom

A processing technology and technology of hand cream, which is applied in the field of bottle blowing processing technology of hand cream without butt joints at the bottom, can solve the problems of affecting strength and complicated operation, and achieve not easy deformation and damage, high overall strength and good chemical resistance corrosive effect

Inactive Publication Date: 2021-04-06
南通瑞卓模塑有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing processing technology of hand cream blow molding bottle is complicated to operate, and there is a butt joint at the bottom after blow molding, which affects its strength. Therefore, it is necessary to improve the existing processing technology

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] The present invention provides the following technical solution: a blowing process for hand cream without butt joints at the bottom, comprising the following steps:

[0020] A. Mix the raw materials and add them to the drying tank to stir and dry them evenly;

[0021] B. Add the dried raw materials into the injection molding machine, melt through the screw of the injection molding machine to obtain the melt, inject the melt into the injection mold, and cool to obtain the preform;

[0022] C. Put the preform into the blow mold, and heat and soften the preform by hot air blowing;

[0023] D. Pull the softened preform to fit the preform to the blow mold;

[0024] E. After that, the blowing system of the blow molding machine is used to blow the preform into a hand cream blow molding bottle at one time;

[0025] F. After that, check the quality of the blown bottles and sort them.

[0026] In this example, the raw material components in Step A include 50 parts by weight of...

Embodiment 2

[0032] A process for blowing bottles of hand cream without butt joints at the bottom, comprising the following steps:

[0033] A. Mix the raw materials and add them to the drying tank to stir and dry them evenly;

[0034] B. Add the dried raw materials into the injection molding machine, melt through the screw of the injection molding machine to obtain the melt, inject the melt into the injection mold, and cool to obtain the preform;

[0035] C. Put the preform into the blow mold, and heat and soften the preform by hot air blowing;

[0036] D. Pull the softened preform to fit the preform to the blow mold;

[0037] E. After that, the blowing system of the blow molding machine is used to blow the preform into a hand cream blow molding bottle at one time;

[0038] F. After that, check the quality of the blown bottles and sort them.

[0039] In this example, the raw material components in Step A include 80 parts by weight of ethylene-butylene copolymerized polyethylene base res...

Embodiment 3

[0045] A process for blowing bottles of hand cream without butt joints at the bottom, comprising the following steps:

[0046] A. Mix the raw materials and add them to the drying tank to stir and dry them evenly;

[0047] B. Add the dried raw materials into the injection molding machine, melt through the screw of the injection molding machine to obtain the melt, inject the melt into the injection mold, and cool to obtain the preform;

[0048] C. Put the preform into the blow mold, and heat and soften the preform by hot air blowing;

[0049] D. Pull the softened preform to fit the preform to the blow mold;

[0050] E. After that, the blowing system of the blow molding machine is used to blow the preform into a hand cream blow molding bottle at one time;

[0051] F. After that, check the quality of the blown bottles and sort them.

[0052] In this example, the raw material components in Step A include 55 parts by weight of ethylene-butylene copolymerized polyethylene base res...

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PUM

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Abstract

The invention discloses a bottle blowing processing technology of a hand cream blow molding bottle without a butt joint at the bottom. The bottle blowing processing technology comprises the following steps of A, mixing raw materials, adding the mixed raw materials into a drying tank, uniformly stirring and drying the mixed raw materials; B, adding the dried raw materials into an injection molding machine, melting the dried raw materials through a screw of the injection molding machine to obtain a melt, injecting the melt into an injection mold, and cooling to obtain a bottle blank; C, putting the bottle blank into a blowing mold, and heating and softening the bottle blank in a hot air blowing manner; D, pulling the softened bottle blank, so that the bottle blank is attached to the blow molding mold; E, blowing air through an air blowing system of a bottle blowing machine, and carrying out one-time blow molding on the bottle blank to form the hand cream blow molding bottle; and F, checking the quality of the blow molding bottle, and classifying the blow molding bottle. The processing technology is easy to operate, one-time blow molding is achieved, the uniformity of the wall thickness of the blow molding bottle can be guaranteed, meanwhile, the bottom of the blow molding bottle is free of the butt joint, the overall strength is high, and deformation and damage are not likely to happen.

Description

technical field [0001] The invention relates to the technical field of bottle blowing processing of hand cream, in particular to a process for bottle blowing of hand cream without butt joints at the bottom. Background technique [0002] PET bottles have strong applicability and are widely used in daily necessities, daily chemical packaging and other fields. The existing hand cream blow molding bottle processing technology is complicated to operate, and the bottom has a butt joint after blow molding, which affects its strength. Therefore, it is necessary to improve the existing processing technology. Contents of the invention [0003] The object of the present invention is to provide a hand cream bottle blowing process without butt joints at the bottom, so as to solve the problems raised in the above-mentioned background technology. [0004] In order to achieve the above object, the present invention provides the following technical solution: a bottom-free hand cream blowi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C49/06B29C49/18B29C49/78C08L23/08C08L23/12C08K13/04C08K5/11C08K3/22C08K7/20
CPCB29C49/06B29C49/18B29C49/783B29C49/786C08L23/0815C08L2205/02C08K2201/011C08K2003/2296C08L2203/10C08L23/12C08K13/04C08K5/11C08K3/22C08K7/20B29C2049/023
Inventor 张雅阳
Owner 南通瑞卓模塑有限公司
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