CN109824969A - A kind of multifunctional integrated foaming life jacket and its processing unit (plant) and processing method - Google Patents
A kind of multifunctional integrated foaming life jacket and its processing unit (plant) and processing method Download PDFInfo
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- CN109824969A CN109824969A CN201910111161.0A CN201910111161A CN109824969A CN 109824969 A CN109824969 A CN 109824969A CN 201910111161 A CN201910111161 A CN 201910111161A CN 109824969 A CN109824969 A CN 109824969A
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- foaming
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- life jacket
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Abstract
The invention discloses a kind of multifunctional integrated foaming life jacket and its processing unit (plant) and processing methods; processing unit (plant) used in foaming includes pelletizer, injection screw, mold; mold includes benevolence in upper die and lower die and activity, and pelletizer includes blender and mixer；Pass through step: weighing, mixing granulation, mold preheating, pan feeding, foam foaming, and multifunctional integrated foaming life jacket is made in cooling and shaping；The mixing of proper ratio is carried out by choosing EVA and rubber in foaming main material, so that the product of foaming can be improved in elasticity and flexibility, it can be convenient for the normal use of life jacket, the risk of safety can be reduced again, by lubricant in the fabrication process, so that life jacket finished product is convenient in demoulding, avoid that product is caused to damage in knockout course, and addition antibacterial agent, enable life jacket that there is anti-microbial property in use.
Description
Technical field
It is specially a kind of multifunctional integrated to be foamed into the present invention relates to the life jacket production method technical field of foaming
Type life jacket and its processing unit (plant) and processing method.
Background technique
In foamed forming process or foamed polymer material, by the addition of physical blowing agent or chemical foaming agent and anti-
It answers, forms honeycomb or vesicular texture.The basic step of foaming is to form complex, complex growth or expand and steep
The stabilization of core.At given temperature and pressure condition, the solubility of gas declines, so that reaching saturation state, it is extra to make
Gas excludes and is formed bubble, to realize nucleation.
The forming process of bubble is gas to be dissolved in the polymer of liquid first or polymer is heated to molten state, together
When generate and gas and form saturated solution, countless small complexs is then formed by nucleation.So foamed plastics
Molding is generally divided into 3 stages with sizing: the formation of nuclei of bubbles, the growth of nuclei of bubbles, nuclei of bubbles stabilization.Then reflation at
It is obtained for the foams with required foam structure finally, the structure of foams is fixed up by assimilation sizing
Foam plastic product.
Life jacket would generally also be produced using the manufacturing process of foaming, bullet after existing life jacket foaming
Property is lower, and flexibility is poor, so that it is easy to happen breakage in use, there are security risks.
Summary of the invention
The purpose of the present invention is to provide a kind of multifunctional integrated foaming life jacket and its processing methods, on solving
State the problem of proposing in background technique.
To achieve the above object, the invention provides the following technical scheme: a kind of multifunctional integrated foaming life jacket, packet
Include the following components indicated according to weight percent:
EVA resin 5%-100%；
Rubber 5%-100%；
Foam stabiliser 1%-30%；
Foaming agent 1%-30%；
Fire retardant 1%-50%；
Lubricant 1%-30%；
Crosslinking agent 2%-50%.
Further, the foam stabiliser is polyether silicone, and the foaming agent is sodium bicarbonate, and the fire retardant is
Magnesium hydroxide, the lubricant are fatty acid amide, and the crosslinking agent is divinylbenzene.
Further, the fire retardant is specially aluminium hydroxide, for improving the flame retardant property of product, the antibacterial agent tool
Body is any one in vanillic aldehyde or two kinds of ethyl vanillin.
Further, the multifunctional integrated foaming life jacket is by foaming, the foaming multiplying power
Between 1.5 to 3.0 times.
The processing unit (plant) of multifunctional integrated foaming swimming suit, including pelletizer, injection screw, mold, the mold packet
Benevolence in upper die and lower die and activity is included, forms closed type chamber after the upper die and lower die molding.The pelletizer includes blender
And mixer.
Using the processing method of the multifunctional integrated foaming swimming suit of material feeding mode, comprising the following steps:
S1 is granulated: weighing EVA resin, rubber, foam stabiliser, foaming agent, fire retardant, lubricant and crosslinking in proportion
Agent；Foaming agent after weighing, filler, foamed promoter, lubricant, crosslinking agent, fire retardant and antibacterial agent are put into blender
In puddle uniformly, be added mixer in stir repeatedly, mixing formed expanded beads；
S2, molding: upper mold and lower die are molded, and the type that benevolence is fixed on after molding in activity is intracavitary；
S3, heat melt: expanded beads are added in the hopper of injection screw, then heating fusing, and stir to be formed it is molten
The raw material of posture；
S4, mold heating: prefabricated desk mold is heated, and temperature is controlled at 100-200 DEG C；
Injection molding: S5 by raw material melt manufactured in step S4 by mold sprue, is injected into mold cavity；
S6, foaming: after the completion of injection, foaming, the foaming time is controlled in 100-5000s；
Product is taken out in S7, die sinking: after reaching the foaming time, product approval is taken out in die sinking.
Using the processing method of the multifunctional integrated foaming swimming suit of blowing mode, comprising the following steps:
S1 is granulated: weighing EVA resin, rubber, foam stabiliser, foaming agent, fire retardant, lubricant and crosslinking in proportion
Agent；Foaming agent after weighing, filler, foamed promoter, lubricant, crosslinking agent, fire retardant and antibacterial agent are put into blender
In puddle uniformly, be added mixer in stir repeatedly, mixing formed expanded beads；
Blowing: the expanded beads of specified doses are put into mold by S2；
S3, molding: upper mold and lower die are molded, and the type that benevolence is fixed on after molding in activity is intracavitary；
S4, mold heating: heating is put into the mold after raw material material grain, and heating and temperature control is between 100-200 DEG C, heating
Time controls in 100-5000s；
S5, foaming: after blowing, foaming, the foaming time is controlled in 100-5000s；
Product is taken out in S6, die sinking: after reaching the foaming time, product approval is taken out in die sinking.
Further, basis uses double screw extruder, and double screw extruder is specially SHJ-20 type double screw extruder,
And the screw speed of double screw extruder is controlled in 30r/min in mixed process.
Further, in the step S5, temperature control is between 160-180 DEG C in forming process, molding time control
In 10-15min.
Compared with prior art, the beneficial effects of the present invention are:
1, the mixing of proper ratio is carried out by choosing EVA and rubber in foaming main material, so that foaming
Molding product can be improved in elasticity and flexibility, can be convenient for the normal use and reduction safety of life jacket
Risk, convenient for promote.
2, it is avoided in knockout course so that life jacket finished product is convenient in demoulding to product by lubricant in the fabrication process
It causes to damage, and adds antibacterial agent, enable life jacket that there is anti-microbial property in use, improve life jacket and using
Convenience in the process, it is economical and practical.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Embodiment 1, the present invention provide a kind of technical solution: a kind of multifunctional integrated foaming life jacket, including according to
The following components that weight percent indicates:
EVA resin 5%-100%；
Rubber 5%-100%；
Foam stabiliser 1%-30%；
Foaming agent 1%-30%；
Fire retardant 1%-50%；
Lubricant 1%-30%；
Crosslinking agent 2%-50%.
The processing unit (plant) of multifunctional integrated foaming swimming suit, including pelletizer, injection screw, mold, the mold packet
Benevolence in upper die and lower die and activity is included, forms closed type chamber after the upper die and lower die molding.The pelletizer includes blender
And mixer.
Using the processing method of the multifunctional integrated foaming swimming suit of material feeding mode, comprising the following steps:
S1 is granulated: weighing EVA resin, rubber, foam stabiliser, foaming agent, fire retardant, lubricant and crosslinking in proportion
Agent；Foaming agent after weighing, filler, foamed promoter, lubricant, crosslinking agent, fire retardant and antibacterial agent are put into blender
In puddle uniformly, be added mixer in stir repeatedly, mixing formed expanded beads；
S2, molding: upper mold and lower die are molded, and the type that benevolence is fixed on after molding in activity is intracavitary；
S3, heat melt: expanded beads are added in the hopper of injection screw, then heating fusing, and stir to be formed it is molten
The raw material of posture；
S4, mold heating: prefabricated desk mold is heated, and temperature is controlled at 100-200 DEG C；
Injection molding: S5 by raw material melt manufactured in step S4 by mold sprue, is injected into mold cavity；
S6, foaming: after the completion of injection, foaming, the foaming time is controlled in 100-5000s；
Product is taken out in S7, die sinking: after reaching the foaming time, product approval is taken out in die sinking.
Using the processing method of the multifunctional integrated foaming swimming suit of blowing mode, comprising the following steps:
S1 is granulated: weighing EVA resin, rubber, foam stabiliser, foaming agent, fire retardant, lubricant and crosslinking in proportion
Agent；Foaming agent after weighing, filler, foamed promoter, lubricant, crosslinking agent, fire retardant and antibacterial agent are put into blender
In puddle uniformly, be added mixer in stir repeatedly, mixing formed expanded beads；
Blowing: the expanded beads of specified doses are put into mold by S2；
S3, molding: upper mold and lower die are molded, and the type that benevolence is fixed on after molding in activity is intracavitary；
S4, mold heating: heating is put into the mold after raw material material grain, and heating and temperature control is between 100-200 DEG C, heating
Time controls in 100-5000s；
S5, foaming: after blowing, foaming, the foaming time is controlled in 100-5000s；
Product is taken out in S6, die sinking: after reaching the foaming time, product approval is taken out in die sinking.
Wherein, the foaming agent is specially sodium bicarbonate particle, and the foamed promoter is specially Zinc stearate powder, stearic
Sour zinc powder is used to improve the photo and thermal stability of product, and the lubricant is specially stearic acid, so that product is convenient for demoulding, the friendship
Joining agent is specially cumyl peroxide, for generating chemical bond between the molecule of line style, linear molecule is made mutually to be interconnected in one
It rises, forms reticular structure, improve the intensity and elasticity of product in this way, the fire retardant is specially aluminium hydroxide, is produced for improving
The flame retardant property of product, the antibacterial agent are specially any one in vanillic aldehyde or two kinds of ethyl vanillin.
The test for carrying out blank sample to mold simultaneously in the mold warm of S3, avoids mold from error occur, institute
Stating mixer is specially GK270 type rubber internal mixer.
Embodiment 2, unlike the first embodiment, the present invention provide a kind of technical solution: one kind is multifunctional integrated to be foamed into
Type life jacket, including following components (being indicated according to weight percent):
EVA resin 72%；
Rubber 15%；
Foam stabiliser 2%；
Foaming agent 6%；
Fire retardant 2%；
Lubricant 2%；
Crosslinking agent 1%.
Embodiment 3, unlike the first embodiment, the present invention provide a kind of technical solution: one kind is multifunctional integrated to be foamed into
Type life jacket, including following components (being indicated according to weight percent):
EVA resin 69%；
Rubber 18%；
Foam stabiliser 3%；
Foaming agent 8%；
Fire retardant 3.5%；
Lubricant 3%；
Crosslinking agent 2.5%.
Embodiment 4, unlike the first embodiment, the present invention provide a kind of technical solution: one kind is multifunctional integrated to be foamed into
Type life jacket, including following components (being indicated according to weight percent):
EVA:63%
Rubber: 20%
Foaming agent: 7%
Foamed promoter: 1%
Lubricant: 1%
Crosslinking agent: 1%
Fire retardant: 2%
Antibacterial agent: 5%
Embodiment 5, unlike the first embodiment, the present invention provide a kind of technical solution: one kind is multifunctional integrated to be foamed into
Type life jacket, including following components (being indicated according to weight percent):
EVA:70%
Rubber: 15%
Foaming agent: 6%
Foamed promoter: 0.5%
Lubricant: 0.5%
Crosslinking agent: 2%
Fire retardant: 3%
Antibacterial agent: 3%.
Anti-pressure ability, impact capacity test, anti-flammability by manufactured life jacket in above each embodiment Jing Guo standard
Can find after test: the life jacket hardness in embodiment 1 is larger, and toughness is poor, and the life jacket in embodiment 2 and embodiment 5 is soft
Property is larger, and the life jacket elasticity and hardness after the foaming in embodiment 3 and embodiment 4 are more appropriate, as preferably rescuing
Raw clothing foaming formula.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of multifunctional integrated foaming life jacket, which is characterized in that including according to weight percent indicate with the following group
Point:
EVA resin 5%-100%；
Rubber 5%-100%；
Foam stabiliser 1%-30%；
Foaming agent 1%-30%；
Fire retardant 1%-50%；
Lubricant 1%-30%；
Crosslinking agent 2%-50%.
2. a kind of multifunctional integrated foaming life jacket according to claim 1, it is characterised in that: described multi-functional one
For body foaming life jacket by foaming, the foaming multiplying power is between 1.5 to 3.0 times.
3. a kind of processing unit (plant) for multifunctional integrated foaming life jacket such as of any of claims 1-2,
Including pelletizer, injection screw, mold, the mold includes benevolence in upper die and lower die and activity, after the upper die and lower die molding
Form closed type chamber.
4. a kind of processing unit (plant) for multifunctional integrated foaming life jacket as described in any of claims 3, institute
Stating pelletizer includes blender and mixer.
5. a kind of processing method of multifunctional integrated foaming swimming suit, the processing method uses as claimed in claim 4
Processing unit (plant), comprising the following steps:
S1 is granulated: weighing EVA resin, rubber, foam stabiliser, foaming agent, fire retardant, lubricant and crosslinking agent in proportion；It will
Foaming agent, filler, foamed promoter, lubricant, crosslinking agent, fire retardant and antibacterial agent after weighing are put into blender and puddle
Uniformly, it is added in mixer and stirs repeatedly, mixing forms expanded beads；
Molding: S2 upper mold and lower die is molded；
S3 heats melt: expanded beads being added in the hopper of injection screw, then heating fusing, and stirs and form melt state
Raw material；
S4, mold heating: prefabricated desk mold is heated, and temperature is controlled at 100-200 DEG C；
Injection molding: S5 by raw material melt manufactured in step S4 by mold sprue, is injected into mold cavity；
S6, foaming: after the completion of injection, foaming, the foaming time is controlled in 100-5000s；
Product is taken out in S7, die sinking: after reaching the foaming time, product approval is taken out in die sinking.
6. a kind of processing method of multifunctional integrated foaming swimming suit, the processing method uses as claimed in claim 4
Processing unit (plant), comprising the following steps:
S1 is granulated: weighing EVA resin, rubber, foam stabiliser, foaming agent, fire retardant, lubricant and crosslinking agent in proportion；It will
Foaming agent, filler, foamed promoter, lubricant, crosslinking agent, fire retardant and antibacterial agent after weighing are put into blender and puddle
Uniformly, it is added in mixer and stirs repeatedly, mixing forms expanded beads；
Blowing: the expanded beads of specified doses are put into mold by S2；
Molding: S3 upper mold and lower die is molded；
S4, mold heating: heating is put into the mold after raw material material grain, and heating and temperature control is between 100-200 DEG C, heating time
Control is in 100-5000s；
S5, foaming: after blowing, foaming, the foaming time is controlled in 100-5000s；
Product is taken out in S6, die sinking: after reaching the foaming time, product approval is taken out in die sinking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910111161.0A CN109824969A (en) | 2019-02-12 | 2019-02-12 | A kind of multifunctional integrated foaming life jacket and its processing unit (plant) and processing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910111161.0A CN109824969A (en) | 2019-02-12 | 2019-02-12 | A kind of multifunctional integrated foaming life jacket and its processing unit (plant) and processing method |
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| CN109824969A true CN109824969A (en) | 2019-05-31 |
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| CN201910111161.0A Pending CN109824969A (en) | 2019-02-12 | 2019-02-12 | A kind of multifunctional integrated foaming life jacket and its processing unit (plant) and processing method |
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|---|---|---|---|---|
| CN1370675A (en) * | 2001-02-22 | 2002-09-25 | 纪正贤 | Integrated formation process of foamed shoe body with stereo profile |
| CN1511172A (en) * | 2001-02-23 | 2004-07-07 | �����ι�˾ | Foam cushion and method of making and using same |
| CN103057059A (en) * | 2012-12-20 | 2013-04-24 | 华南理工大学 | Injection molding device and injection molding method of online mixing and preparing high-performance microcellular foaming plastic |
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| CN105175879A (en) * | 2015-08-21 | 2015-12-23 | 浙江隆源高分子科技有限公司 | High elasticity EVA material and preparation method thereof |
| CN105415596A (en) * | 2015-12-21 | 2016-03-23 | 福建泉州市嘉隆模具有限公司 | Three-color nano-rubber EVA (Thylene-Vinyl Acetate) injection die |
| CN105522666A (en) * | 2015-12-06 | 2016-04-27 | 重庆华楷水产养殖有限公司 | Mould structure capable of improving separation effect |
| CN106142425A (en) * | 2016-08-26 | 2016-11-23 | 史美玉 | The production equipment of a kind of combined plastic product and production method |
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2019
- 2019-02-12 CN CN201910111161.0A patent/CN109824969A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1370675A (en) * | 2001-02-22 | 2002-09-25 | 纪正贤 | Integrated formation process of foamed shoe body with stereo profile |
| CN1511172A (en) * | 2001-02-23 | 2004-07-07 | �����ι�˾ | Foam cushion and method of making and using same |
| CN103057059A (en) * | 2012-12-20 | 2013-04-24 | 华南理工大学 | Injection molding device and injection molding method of online mixing and preparing high-performance microcellular foaming plastic |
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| CN105175879A (en) * | 2015-08-21 | 2015-12-23 | 浙江隆源高分子科技有限公司 | High elasticity EVA material and preparation method thereof |
| CN105522666A (en) * | 2015-12-06 | 2016-04-27 | 重庆华楷水产养殖有限公司 | Mould structure capable of improving separation effect |
| CN105415596A (en) * | 2015-12-21 | 2016-03-23 | 福建泉州市嘉隆模具有限公司 | Three-color nano-rubber EVA (Thylene-Vinyl Acetate) injection die |
| CN106142425A (en) * | 2016-08-26 | 2016-11-23 | 史美玉 | The production equipment of a kind of combined plastic product and production method |
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Effective date of registration: 20190805 Address after: 510000 Nianfengcun Industrial Park, Wanhezhen, Nansha District, Guangzhou City, Guangdong Province, No. 102 Applicant after: Guangdong floating global Intelligent Technology Co., Ltd. Applicant after: Lian Zhongyi Address before: 510000 Nianfengcun Industrial Park, Wanhesha Town, Nansha District, Guangzhou City, Guangdong Province, No. 102 Applicant before: Guangdong floating global Intelligent Technology Co., Ltd. |
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Application publication date: 20190531 |