CN109159349B - 中间部位硬度高的乳胶枕头生产工艺 - Google Patents

中间部位硬度高的乳胶枕头生产工艺 Download PDF

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CN109159349B
CN109159349B CN201810919761.5A CN201810919761A CN109159349B CN 109159349 B CN109159349 B CN 109159349B CN 201810919761 A CN201810919761 A CN 201810919761A CN 109159349 B CN109159349 B CN 109159349B
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latex
foaming material
pillow
forming die
latex foaming
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CN109159349A (zh
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贾道熙
贾道忠
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Wenzhou Chaotai Latex Products Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34Auxiliary operations
    • B29C44/36Feeding the material to be shaped
    • B29C44/38Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/42Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/04Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34Auxiliary operations
    • B29C44/60Measuring, controlling or regulating

Abstract

本发明公开了中间部位硬度高的乳胶枕头生产工艺,其特征在于包括以下步骤:
Figure 100004_DEST_PATH_IMAGE002
将固态含量超过60%的乳胶溶液和硫化剂、凝固剂以一定重量比加入到发泡设备进行发泡;
Figure 100004_DEST_PATH_IMAGE004
将乳胶发泡料注入到乳胶成型模具内,乳胶发泡料的注入口位于乳胶成型模具的模腔正中间;
Figure 100004_DEST_PATH_IMAGE006
待乳胶发泡料填充模腔的70‑75%体积时,增加乳胶发泡料的注入压力直至乳胶发泡料接近填充充满整个模腔,在增加乳胶发泡料的注入压力的过程中,开启固化剂添加管将固化剂添加到新注入的乳胶发泡料内;
Figure 100004_DEST_PATH_IMAGE008
将乳胶成型模具放到高温烘箱内进行乳胶发泡料的高温硫化定型;
Figure 100004_DEST_PATH_IMAGE010
打开乳胶成型模具取出乳胶发泡料;

Description

中间部位硬度高的乳胶枕头生产工艺
技术领域
本发明涉及一种乳胶枕头生产工艺。
背景技术
乳胶枕头由于具有防螨防菌、良好透气性和吸湿性的优点,且其独特的柔软触觉和乳胶高弹性能够顺应人体头部,更符合人体睡眠习惯,带给使用者健康舒适的睡眠,所以越来越多得到广大消费者的欢迎和使用。但一个乳胶枕头只有一种硬度,而且硬度偏软,不能满足一些消费者的使用需求。
发明内容
为解决背景技术存在的不足,本发明是采取如下技术方案来实现的:
中间部位硬度高的乳胶枕头生产工艺,其特征在于包括以下步骤:
Figure 100002_DEST_PATH_IMAGE002
将固态含量超过60%的乳胶溶液和硫化剂、凝固剂以一定重量比加入到发泡设备进行发泡,发泡过程中加入空气,制成乳胶发泡料;
Figure 100002_DEST_PATH_IMAGE004
将乳胶发泡料注入到乳胶成型模具内,乳胶成型模具内具有乳胶枕头形状的模腔,乳胶发泡料的注入口位于模腔的正中间;
Figure 100002_DEST_PATH_IMAGE006
待乳胶发泡料填充模腔的70-75%体积时,增加乳胶发泡料的注入压力直至乳胶发泡料接近填充充满整个模腔,然后停止加料,在增加乳胶发泡料的注入压力的过程中,开启固化剂添加管将固化剂添加到新注入的乳胶发泡料内;
Figure 100002_DEST_PATH_IMAGE008
待加料完成后,将乳胶成型模具放到高温烘箱内进行乳胶发泡料的高温硫化定型;
Figure 100002_DEST_PATH_IMAGE010
待乳胶发泡料高温定型后,打开乳胶成型模具取出乳胶发泡料;
Figure 100002_DEST_PATH_IMAGE012
清洗、烘干乳胶发泡料,完成乳胶枕头的生产。
上述技术方案的生产工艺,首先以较小压力将乳胶发泡料注入到乳胶成型模具内,当乳胶发泡料填充模腔的70-75%体积时,增加乳胶发泡料的注入压力直至乳胶发泡料接近填充充满整个模腔,然后停止加料,在增加乳胶发泡料的注入压力的过程中,开启固化剂添加管将固化剂添加到后注入的乳胶发泡料内;上述整个过程中,由于乳胶发泡料的注入口位于模腔的正中间,所以后注入的具有较高压力的乳胶发泡料会从乳胶成型模具的中间位置(即乳胶枕头的中间部位)向左右方向推动先前注入的乳胶发泡料;由于乳胶发泡料在热蒸蒸熟(即高温硫化定型)前是半流动性的物体,处于半流动状态,溶液流动性差,而且乳胶发泡料易于被压缩,所以后来以增加压力注入的乳胶发泡料会更加集中于乳胶成型模具的中间位置,而不会与先前的乳胶发泡料很快混合到一起,并且后来注入的乳胶发泡料不仅更加致密,而且有固化剂的添入;所以这样一来,在较短时间内如果将乳胶成型模具放到高温烘箱内进行乳胶发泡料的高温硫化定型,那么就可生产出中间较硬两头较软的乳胶枕头。
作为优选,步骤
Figure 900097DEST_PATH_IMAGE006
中,乳胶发泡料接近填充充满整个模腔是指乳胶发泡料填充整个模腔的95%体积以上。
作为优选,步骤
Figure 817237DEST_PATH_IMAGE006
中,所述固化剂为氟硅酸钠,固化剂与新加入的乳胶发泡料的重量比为1.5-3.0:100。
作为优选,步骤
Figure 596975DEST_PATH_IMAGE006
中,增加乳胶发泡料的注入压力后,注入压力不小于0.25 Mpa,注入流量不小于2000ml/min。
具体实施方式
本发明的中间部位硬度高的乳胶枕头生产工艺,包括以下步骤:
Figure 929867DEST_PATH_IMAGE002
将固态含量超过60%的乳胶溶液和硫化剂、凝固剂以100:2.5:1.5的重量比加入到发泡设备进行发泡,发泡过程中加入空气,制成乳胶发泡料,硫化剂为氧化锌,凝固剂为氟硅酸钠;
Figure 744239DEST_PATH_IMAGE004
将乳胶发泡料以稍大于大气的压力注入到乳胶成型模具内,乳胶成型模具内具有乳胶枕头形状的模腔,乳胶发泡料的注入口位于模腔的正中间;
Figure 566702DEST_PATH_IMAGE006
待乳胶发泡料填充模腔的70-75%体积时,增加乳胶发泡料的注入压力直至乳胶发泡料接近填充充满整个模腔,然后停止加料,在增加乳胶发泡料的注入压力的过程中,开启固化剂添加管将固化剂添加到新注入的乳胶发泡料内;
Figure 833735DEST_PATH_IMAGE008
待加料完成后,将乳胶成型模具放到高温烘箱内进行乳胶发泡料的高温硫化定型,温度控制在110-130度;
Figure 468853DEST_PATH_IMAGE010
待乳胶发泡料高温定型后,打开乳胶成型模具取出乳胶发泡料;
Figure 137732DEST_PATH_IMAGE012
清洗、烘干乳胶发泡料,就完成中间部位硬度高的乳胶枕头的生产。其中,步骤
Figure 131096DEST_PATH_IMAGE006
中,乳胶发泡料接近填充充满整个模腔是指乳胶发泡料填充整个模腔的95%体积以上;步骤
Figure 885425DEST_PATH_IMAGE006
中,所述固化剂为氟硅酸钠,固化剂与新加入的乳胶发泡料的重量比为1.5-3.0:100;步骤
Figure 560120DEST_PATH_IMAGE006
中,增加乳胶发泡料的注入压力后,注入压力不小于0.25 Mpa,注入流量不小于2000ml/min。

Claims (4)

1.中间部位硬度高的乳胶枕头生产工艺,其特征在于包括以下步骤:
Figure DEST_PATH_IMAGE002
将固态含量超过60%的乳胶溶液和硫化剂、凝固剂以一定重量比加入到发泡设备进行发泡,发泡过程中加入空气,制成乳胶发泡料;
Figure DEST_PATH_IMAGE004
将乳胶发泡料注入到乳胶成型模具内,乳胶成型模具内具有乳胶枕头形状的模腔,乳胶发泡料的注入口位于模腔的正中间;
Figure DEST_PATH_IMAGE006
待乳胶发泡料填充模腔的70-75%体积时,增加乳胶发泡料的注入压力直至乳胶发泡料接近填充充满整个模腔,然后停止加料,在增加乳胶发泡料的注入压力的过程中,开启固化剂添加管将固化剂添加到新注入的乳胶发泡料内;
Figure DEST_PATH_IMAGE008
待加料完成后,将乳胶成型模具放到高温烘箱内进行乳胶发泡料的高温硫化定型;
Figure DEST_PATH_IMAGE010
待乳胶发泡料高温定型后,打开乳胶成型模具取出乳胶发泡料;
Figure DEST_PATH_IMAGE012
清洗、烘干乳胶发泡料,完成乳胶枕头的生产。
2.如权利要求1所述的中间部位硬度高的乳胶枕头生产工艺,其特征在于步骤
Figure 769238DEST_PATH_IMAGE006
中,乳胶发泡料接近填充充满整个模腔是指乳胶发泡料填充整个模腔的95%体积以上。
3.如权利要求1所述的中间部位硬度高的乳胶枕头生产工艺,其特征在于步骤
Figure 686378DEST_PATH_IMAGE006
中,所述固化剂为氟硅酸钠,固化剂与新加入的乳胶发泡料的重量比为1.5-3.0:100。
4.如权利要求1所述的中间部位硬度高的乳胶枕头生产工艺,其特征在于步骤步骤
Figure 403798DEST_PATH_IMAGE006
中,增加乳胶发泡料的注入压力后,注入压力不小于0.25 Mpa,注入流量不小于2000ml/min。
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CN111944297A (zh) * 2019-05-14 2020-11-17 常州橡弋国际贸易有限公司 一种乳胶枕生产用硫化包及其制备方法
CN111920273A (zh) * 2020-06-17 2020-11-13 南通文博海绵工艺品有限公司 一种慢回弹枕头及其生产工艺

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WO2010102785A2 (de) * 2009-03-09 2010-09-16 Johnson Controls Gmbh Fahrzeugsitzpolster
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