CN105386357A - 一种新型造纸机用气动膜片 - Google Patents

一种新型造纸机用气动膜片 Download PDF

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CN105386357A
CN105386357A CN201510966255.8A CN201510966255A CN105386357A CN 105386357 A CN105386357 A CN 105386357A CN 201510966255 A CN201510966255 A CN 201510966255A CN 105386357 A CN105386357 A CN 105386357A
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layer
pneumatic diaphragm
intermediate layer
papermaking machine
nexine
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李建军
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CHANGSHU FULIN PAPERMAKING MACHINERY Co Ltd
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CHANGSHU FULIN PAPERMAKING MACHINERY Co Ltd
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    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F5/00—Dryer section of machines for making continuous webs of paper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B25/08—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/10—Layered products comprising a layer of natural or synthetic rubber next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/08—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer the fibres or filaments of a layer being of different substances, e.g. conjugate fibres, mixture of different fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0276—Polyester fibres
    • B32B2262/0284—Polyethylene terephthalate [PET] or polybutylene terephthalate [PBT]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0292—Polyurethane fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/14—Mixture of at least two fibres made of different materials

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Abstract

本发明公开了一种新型造纸机用气动膜片，该气动膜片采用多层复合结构设计，主要包括表层、中间层和里层，所述的表层和里层为弹性层，其材质为橡胶，所述的中间层为强化层，其材质为涤纶和氨纶的复合纤维，所述的表层和里层采用涂覆、热压工艺成型于中间层的两侧。本发明揭示了一种新型造纸机用气动膜片，该气动膜片结构设计合理，多层复合结构的结合强度高，性能稳定，增设的中间层结构可有效改善气动膜片的强度及使用寿命，提升了造纸机设备的使用性能。

Description

一种新型造纸机用气动膜片
技术领域
本发明涉及一种造纸设备中的气动膜片，尤其涉及一种强度高、弹性优良，使用寿命持久的新型造纸机用气动膜片，属于造纸机配件技术领域。
背景技术
造纸机是纸张抄造的联合装备，主要由网制、压榨和干燥等设备构成。在造纸机设备中，气动隔膜泵是一种较为常见的干燥设备，它的工作原理是利用气动膜片将泵体隔开，以形成液体腔和空气腔；气动膜片的中间位置安装连接活塞杆，在外力作用下使气动膜片产生左、右移动，进而使液体腔和空气腔发生体积变化，以实现将多余液体从纸料上的抽离的目的。
气动膜片是上述气动隔膜泵中的主要工作部件，它结构简单，功能独特，但容易损坏，它的使用寿命直接影响了气动隔膜泵的工作效率及纸张的成型质量。在现行技术中，气动膜片的材质选用橡胶，如常见的：四氟橡胶、氯丁橡胶、三元橡胶、氟化橡胶等，上述橡胶弹性优良，但强度普遍不高，使用寿命较低，直接影响了气动隔膜泵的工作效率。
发明内容
针对上述需求，本发明提供了一种新型造纸机用气动膜片，该气动膜片结构合理，多层复合结构的结合强度高，性能稳定，中间层结构有效的改善了气动膜片的强度，提高了气动膜片的使用寿命。
本发明是一种新型造纸机用气动膜片，该气动膜片采用多层复合结构设计，主要包括表层、中间层和里层，所述的表层和里层为弹性层，其材质为橡胶，所述的中间层为强化层，其材质为涤纶和氨纶的复合纤维，所述的表层和里层采用涂覆、热压工艺成型于中间层的两侧。
在本发明一较佳实施例中，所述的中间层为网格织物层，其网格孔眼的平均直径约为80-85um。
在本发明一较佳实施例中，所述的中间层的材质中涤纶和氨纶的含量比约为95%-96%：4%-5%。
在本发明一较佳实施例中，所述的中间层的厚度约为0.3-0.4mm。
在本发明一较佳实施例中，所述的中间层的网格孔眼中含有橡胶材料。
在本发明一较佳实施例中，所述的表层和里层的厚度相同，约为0.4-0.5mm。
本发明揭示了一种新型造纸机用气动膜片，该气动膜片结构设计合理，多层复合结构的结合强度高，性能稳定，增设的中间层结构可有效改善气动膜片的强度及使用寿命，提升了造纸机设备的使用性能。
附图说明
下面结合附图和具体实施方式对本发明作进一步详细的说明：
图1是本发明实施例新型造纸机用气动膜片的截面图。
附图中各部件的标记如下：1、表层，2、中间层，3、里层。
具体实施方式
下面结合附图对本发明的较佳实施例进行详细阐述，以使本发明的优点和特征能更易于被本领域技术人员理解，从而对本发明的保护范围做出更为清楚明确的界定。
图1是本发明实施例新型造纸机用气动膜片的截面图；该气动膜片采用多层复合结构设计，主要包括表层1、中间层2和里层3，所述的表层1和里层3为弹性层，其材质为橡胶，所述的中间层2为强化层，其材质为涤纶和氨纶的复合纤维，所述的表层1和里层3采用涂覆、热压工艺成型于中间层的两侧。
本发明提及的新型造纸机用气动膜片中，中间层2为网格织物层，其网格孔眼的平均直径约为80-85um；中间层2的材质中涤纶和氨纶的含量比约为95%-96%：4%-5%；中间层2的厚度约为0.3-0.4mm；中间层2的网格孔眼中含有橡胶材料，该结构设计有效的提高了层间结合强度，并使得中间层2具有良好的弹性；表层1和里层3的厚度相同，约为0.4-0.5mm。
本发明提及的新型造纸机用气动膜片的具体制备方法如下：
a）选材备料，中间层为涤纶和氨纶纤维条的混纺织物，两纤维条的百分含量比约为96%：4%；其中，涤纶纤维条的单丝丝径约为0.05mm，氨纶纤维条的单丝丝径约为0.04mm；表层和里层的原料均为橡胶，本实施例选用三元橡胶；
b）制备中间层，中间层采用机织工艺进行制备，工序内容包括：并条、粗纱、细纱、筒制和梭织，并条后的纤维条丝径约为0.12mm，所织造的中间层为网格织物层，其网格孔眼的平均直径约为80-85um，厚度约为0.35-0.4mm；
c）制备表、里层，表层和里层的制备工艺包括双面涂胶、压型及烘干处理；双面涂胶工艺的工具采用刮刀，胶料被加热至190℃-200℃，刮刀的移动速度控制在0.25m/s，往复3次，表层和里层分别成型于中间层的正、反两面；压型工艺使用压辊，压辊的辊速控制在12r/min，辊间压力为3kg，辊间温度控制在75℃左右，坯料的温度控制在90℃左右；烘干温度控制在55℃-60℃，时间约20分钟，烘干处理后坯料的水含量控制在0.5%-0.6%；
d）热压冲裁处理，坯料的预热温度控制在125℃-130℃，热压模具的预热温度控制在115℃-120℃，模间压力控制在12kg，模压时间控制在30s，热压操作可制得具有弧形凹槽结构的气动膜片；将热压定型处理后坯料转入冲孔切边模具，制得带有中心孔及安装孔的成品；
e）成品后处理，后处理工艺包括质检、时效处理、成品包装等。
本发明揭示了一种新型造纸机用气动膜片，其特点是：该气动膜片结构设计合理，多层复合结构的结合强度高，性能稳定，增设的中间层结构可有效改善气动膜片的强度及使用寿命，提升了造纸机设备的使用性能。
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本领域的技术人员在本发明所揭露的技术范围内，可不经过创造性劳动想到的变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应该以权利要求书所限定的保护范围为准。

Claims (6)

1.一种新型造纸机用气动膜片，其特征在于，该气动膜片采用多层复合结构设计，主要包括表层、中间层和里层，所述的表层和里层为弹性层，其材质为橡胶，所述的中间层为强化层，其材质为涤纶和氨纶的复合纤维，所述的表层和里层采用涂覆、热压工艺成型于中间层的两侧。
2.根据权利要求1所述的新型造纸机用气动膜片，其特征在于，所述的中间层为网格织物层，其网格孔眼的平均直径约为80-85um。
3.根据权利要求2所述的新型造纸机用气动膜片，其特征在于，所述的中间层的材质中涤纶和氨纶的含量比约为95%-96%：4%-5%。
4.根据权利要求2所述的新型造纸机用气动膜片，其特征在于，所述的中间层的厚度约为0.3-0.4mm。
5.根据权利要求1至2所述的新型造纸机用气动膜片，其特征在于，所述的中间层的网格孔眼中含有橡胶材料。
6.根据权利要求1所述的新型造纸机用气动膜片，其特征在于，所述的表层和里层的厚度相同，约为0.4-0.5mm。
CN201510966255.8A 2015-12-22 2015-12-22 一种新型造纸机用气动膜片 Pending CN105386357A (zh)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1634702A (zh) * 2003-12-26 2005-07-06 上海华向橡胶制品有限公司 一种隔膜泵用橡胶皮膜的制造方法
CN101509484A (zh) * 2009-03-12 2009-08-19 卢连苗 隔膜泵膜片及其成型工艺
CN201368013Y (zh) * 2009-03-12 2009-12-23 卢连苗 隔膜泵膜片
US20120009369A1 (en) * 2009-03-30 2012-01-12 Jens Storre Membrane, in particular a gas storage membrane
CN103538323A (zh) * 2013-09-22 2014-01-29 苏州市湘园特种精细化工有限公司 一种橡胶膜片的制造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1634702A (zh) * 2003-12-26 2005-07-06 上海华向橡胶制品有限公司 一种隔膜泵用橡胶皮膜的制造方法
CN101509484A (zh) * 2009-03-12 2009-08-19 卢连苗 隔膜泵膜片及其成型工艺
CN201368013Y (zh) * 2009-03-12 2009-12-23 卢连苗 隔膜泵膜片
US20120009369A1 (en) * 2009-03-30 2012-01-12 Jens Storre Membrane, in particular a gas storage membrane
CN103538323A (zh) * 2013-09-22 2014-01-29 苏州市湘园特种精细化工有限公司 一种橡胶膜片的制造方法

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