CN100427216C - 流体制品喷雾头 - Google Patents

流体制品喷雾头 Download PDF

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CN100427216C
CN100427216C CNB2004800257392A CN200480025739A CN100427216C CN 100427216 C CN100427216 C CN 100427216C CN B2004800257392 A CNB2004800257392 A CN B2004800257392A CN 200480025739 A CN200480025739 A CN 200480025739A CN 100427216 C CN100427216 C CN 100427216C
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CN1849175A (zh
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A·埃利
P·埃鲁安
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Aptar France SAS
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Valois SAS
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
    • B05B1/3405—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
    • B05B1/341—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
    • B05B1/3494—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet the discharge outlet being not on the axis of the swirl chamber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
    • B05B1/3405—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
    • B05B1/341—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
    • B05B1/3421—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber
    • B05B1/3431—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves
    • B05B1/3436—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves the interface being a plane perpendicular to the outlet axis
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49401—Fluid pattern dispersing device making, e.g., ink jet
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49428—Gas and water specific plumbing component making
    • Y10T29/49432—Nozzle making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49428—Gas and water specific plumbing component making
    • Y10T29/49432—Nozzle making
    • Y10T29/49433—Sprayer

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  • Nozzles (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

本发明涉及一流体制品喷雾头，它具有一排出通道，所述排出通道配有一喷雾孔(1)和一实施于所述排出通道底壁上的喷雾型体(10)，所述喷雾型体(10)具有非径向的喷雾通道(11)，所述喷雾通道(11)通到直接布置在所述喷雾孔(1)上游的一中央喷雾室(12)内，其特征在于，所述喷雾孔(1)的中央轴线(X)相对于所述喷雾室(12)的中央轴线(Y)偏心一小于0.12毫米、优选小于0.08毫米的距离。

Description

流体制品喷雾头
技术领域
[01]本发明涉及流体制品喷雾头和这种头部的制造机器。
背景技术
[02]流体制品分配头尤其在药剂领域是公知的。为进行很好的喷雾分配，头部一般具有一喷雾型体，其正好布置在喷雾孔的上游。喷雾特性特别是液滴分配和所述特性的复现性大大取决于所述喷雾型体的形状。事实证明，在大部分流体制品尤其是药物分配装置中，由于头部模制时的制造公差，性能很少是不变的。这尤其表现为尤其是喷雾孔所需的很小的尺寸，其意味着使用比较易损的芯棒体(poincon)。在现有的装置上，喷雾型体用一插入头部型腔的型芯(broche)模制在头部内，所述型芯在其正面具有与制作在头部内的排出通道端部表面上实施的喷雾型体互补的型体。用于实施喷雾孔的芯棒体一般布置在头部型腔的底部。因此，注入时，完全不是同心的，大应力施加于所述芯棒体，其由于尺寸小而相对于限定型体的型芯可进行移动。这使喷雾孔的中央轴线相对于喷雾室的中央轴线发生中心偏移。所述偏心可能相当大，而且从一头部到另一头部变化很大。这就不能获得不变的喷雾特性。
发明内容
[03]本发明旨在提出一种不存在上述缺陷的流体制品喷雾头。
[04]特别是，本发明旨在提出一种流体制品喷雾头，其对于产生于同一模具的所有头部来说，具有不变的和可再现的流体制品雾化性能和特性。
[05]本发明还旨在提出一种流体制品喷雾头，其结构简单，制造和装配成本较低。
[06]因此，本发明涉及流体制品喷雾头，它具有一排出通道，其配有一喷雾孔和一实施于所述排出通道底壁上的喷雾型体，所述喷雾型体具有'非径向喷雾通道，其通到正好布置在所述喷雾孔上游的一中央喷雾室，其特征在于，所述喷雾孔的中央轴线相对于喷雾室的中央轴线偏心的距离小于0.12毫米，优选是小于0.08毫米。
[07]有利地，所述喷雾室的直径为1毫米。
[08]有利地，所述喷雾孔的直径为0.3毫米。
[09]本发明还涉及从同一模腔制造的喷雾头组件，所述头部例如如上所述进行实施。
[10]有利地，对于产生于同一模腔的所有喷雾头来说，喷雾孔的中央轴线相对于喷雾室的中央轴线偏心的标准偏差(écartype)小于0.03毫米，有利地小于0.01毫米。
[11]本发明还涉及具有一例如上述头部的流体制品分配装置。
[12]本发明还涉及上述喷雾头的制造机器。所述制造机器具有至少一模具，其配有至少一模制所述头部的型腔，所述制造机器具有一用于每个模腔的型芯，所述型芯在其正面具有一与头部的喷雾型体互补的型体，所述型体由形成非径向槽和喷雾室的凸起形成，所述型芯还具有一芯棒体，用于形成分配孔。
[13]有利地，所述芯棒体可从所述型芯拆卸，以便不更换型芯即可更换所述芯棒体。这样，当所述芯棒体由于模制时的应力断裂时，仅需更换芯棒体，而不像芯棒体与所述型芯制成整体那样要更换整个型芯。
[14]有利地，所述芯棒体与型芯内在其大部分长度上纵向延伸的一杆相连接。
[15]该实施方式便于芯棒体在必须更换时插入到型芯中，尤其是从型芯中抽出。
附图说明
[16]参照作为非限制性实施例给出的附图，通过对本发明的一有利实施方式的详细描述，本发明的其它特征和优越性将得到更好的理解。附图如下：
[17]图1是通过本发明分配头喷雾型体的水平剖面图；
[18]图2是根据本发明一个实施例的制造机器的型芯的侧视图；
[19]图3是通过图2所示型芯的横向剖面图；
[20]图4是图3所示细部A的放大图；
[21]图5是图4所示细部A的立体图。
具体实施方式
[22]本发明适用于各种类型的流体制品喷雾头。但是，本说明书参照细长的头部，例如鼻用分配头加以描述，其具有一引向头部轴线的喷雾孔。显然，本发明适合于各种类型的头部，尤其是喷雾横向分配的头部。
[23]根据本发明，流体制品喷雾头具有一排出通道(未示出)，其配有一喷雾孔1以及一布置在所述喷雾孔1上游的喷雾型体10。喷雾型体10实施于排出通道的底壁中，以公知方式具有非径向喷雾通道11，所述喷雾通道11通至一中央喷雾室12内，所述中央喷雾室12直接布置在所述喷雾孔1上游。所述槽可为三个，如图1所示，但可考虑另一配置。一插入件一般布置在所述排出通道中，以限制死容积，且形成所述喷雾型体10的底部。所述插入件优选是简单长形的，例如是一杆，从头部内部插入，从而形成一内部喷嘴。这样，避免喷嘴在装置操纵期间脱出。喷雾型体优选实施于头部的底部，以致头部仅由两构件组成，一形成头部的外部构件和一形成插入件的内部构件。因此，流体制品围绕所述插入件流入排出通道，在所述插入件正面处流到非径向槽11，从而进入喷雾室12，在通过喷雾孔1以喷雾的形式排出之前，形成涡流。
[24]本发明特征在于，喷雾孔1的中央轴线X尽可能与喷雾室12的中央轴线Y相同。确切地说，所述两轴线X和Y偏心的距离小于0.12毫米，优选小于0.08毫米。在一最佳实施例的分配头中，喷雾室12的直径约为1毫米，喷雾孔1的直径约为0.3毫米。事实证明，轴线X和Y偏心越少，喷雾性能就越好。另外，当轴线的偏心从一头部到另一头部变化时，则影响喷雾特性和性能的稳定性。然而，使用标准方法，其中，形成喷雾孔1的芯棒体与头部型腔相连接，而不与型芯相连接，如后所述，那么，产生于同一模腔的头部在轴线X和Y的偏心方面具有较大公差(écart)。
[25]相反，本发明有利地确定成，在喷雾孔1的中央轴线X相对于喷雾室12的中央轴线Y的偏心方面，产生于同一模腔的喷雾头具有标准偏差，其小于0.03毫米，有利地小于0.02毫米，优选小于0.01毫米。使用如后所述的方法和制造机器，其中，限定喷雾孔1的芯棒体与布置在头部型腔内的型芯相连接，以限定喷雾型体，则所述偏心值比较小，所述标准偏差比迄今存在的标准偏差小很多。
[26]后面的线图以毫米示出轴线X和Y之间的所述偏心，示出分别在同一模腔制成的30个头部的相应数值。使用标准方法，不仅偏心数值大，而且标准偏差很大，从而影响喷雾特性的稳定性。相反，本发明确保稳定和不变的数值。
Figure C20048002573900071
[27]下表对本发明方法与标准方法进行液滴尺寸分布测试(DSD)的比较。
  数据   本发明方法   标准方法
 平均值D10   24   25
 标准偏差D10   3   7
 平均值D50   57   60
 标准偏差D50   11   21
 平均值D75   103   102
 标准偏差D75   17   24
[28]取样：每种方法80次按动(poussoir)。
[29]该表的数据如下。平均值D10意味着，使用本发明方法，10％小液滴的尺寸小于24微米，使用标准方法，则小于25微米。使用本发明方法的标准偏差D10比使用标准方法的标准偏差明显小很多。所述结论用平均值D50和D75也得到证实，这表明本发明可进行更为均匀、更为恒定的喷雾，因而相对于标准制造方法具有改进的特性和性能。
[30]特别参照图2至5，其示出本发明头部制造机器的一部分。特别地，图2示出型芯100，其置于头部型腔(未示出)内，所述型芯100限定中央排出通道，并在其正面处限定喷雾型体的端部。为此，型芯100在其正面上具有一型体110，其与分配头的喷雾型体10互补。该型体110具有形成非径向槽11的凸起和喷雾室12，如图5更精确地所示。根据本发明，型芯100还配有芯棒体120，以形成分配孔1。这样，可在喷雾孔的轴线X和喷雾室的轴线Y之间的偏心处确保稳定性。由于芯棒体120的尺寸很小(例如0.3毫米)，因此，在模制期间，该芯棒体往往会断裂。为避免更换整个型芯100，芯棒体优选与一可拆卸的杆130相连接，后者在型芯内延伸，可予以更换，而无需更换整个型芯。有利地，杆130在所述型芯100的大部分长度上延伸，以便通过在其底部处的简单推动或者通过一侧向开口抽出。
[31]因此，本发明可改进流体制品分配头，同时改进其输送的射流的特点和性能、以及所述特点的稳定性。
[32]尽管本发明已参照其一特定实施方式加以描述，但显然不局限于所述实施方式。相反，现有技术人员可进行各种有效改进，而没有超出所附权利要求书确定的本发明范围。

Claims (11)

1.流体制品喷雾头，它具有一排出通道，所述排出通道配有一喷雾孔(1)和一喷雾型体(10)，所述喷雾孔(1)和所述喷雾型体(10)实施于所述排出通道底壁上，所述喷雾型体(10)具有非径向的喷雾通道(11)，所述喷雾通道(11)通到直接布置在所述喷雾孔(1)上游的一中央喷雾室(12)内，
其特征在于，所述喷雾孔(1)的中央轴线(X)相对于所述喷雾室(12)的中央轴线(Y)偏心一小于0.12毫米的距离。
2.根据权利要求1所述的喷雾头，其特征在于，所述喷雾孔(1)的中央轴线(X)相对于所述喷雾室(12)的中央轴线(Y)偏心一小于0.08毫米的距离。
3.根据权利要求1所述的喷雾头，其特征在于，所述喷雾室(12)具有1毫米的直径。
4.根据权利要求1至大中任一项所述的喷雾头，其特征在于，所述喷雾孔(1)具有0.3毫米的直径。
5.从相同模腔制造的喷雾头组件，其特征在于，所述喷雾头根据权利要求1至4中任一项加以实施。
6.根据权利要求5所述的组件，其特征在于，对于所有产生于同一模腔的所有喷雾头来说，所述喷雾孔(1)的中央轴线(X)相对于所述喷雾室(12)的中央轴线(Y)偏心的均方根偏差小于0.03毫米。
7.根据权利要求6所述的组件，其特征在于，对于所有产生于同一模腔的所有喷雾头来说，所述喷雾孔(1)的中央轴线(X)相对于所述喷雾室(12)的中央轴线(Y)偏心的均方根偏差小于0.01毫米。
8.流体制品分配装置，其特征在于，所述分配装置具有一根据权利要求1至4中任一项所述的喷雾头。
9.根据权利要求1至4中任一项所述的喷雾头的制造机器，它具有至少一模具，所述模具配有至少一模制所述喷雾头的模腔，
其特征在于，所述制造机器具有一用于每个模腔的型芯(100)，所述型芯(100)在其正面嵌有一与所述喷雾头的喷雾型体(10)互补的型体(110)，所述互补型体(110)由凸起形成，所述凸起形成所述非径向的喷雾通道(11)和所述喷雾室(12)，所述型芯(100)还嵌有一芯棒体(120)，用于形成所述喷雾孔(1)。
10.根据权利要求9所述的制造机器，其特征在于，所述芯棒体(120)可从所述型芯(100)拆卸，以便不更换所述型芯(100)即可替换所述芯棒体(120)。
11.根据权利要求10所述的制造机器，其特征在于，所述芯棒体(120)与一杆(130)相连接，所述杆(130)在其长度的主要部分上在所述型芯(100)内纵向延伸。
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FR2858567B1 (fr) 2006-03-03
US20110061236A1 (en) 2011-03-17
US20100102477A1 (en) 2010-04-29
US8323020B2 (en) 2012-12-04
JP2007501113A (ja) 2007-01-25
US20070267522A1 (en) 2007-11-22
CN1849175A (zh) 2006-10-18
EP1660236A1 (fr) 2006-05-31
DE602004026741D1 (de) 2010-06-02
EP1660236B1 (fr) 2010-04-21
US8769818B2 (en) 2014-07-08
FR2858567A1 (fr) 2005-02-11
JP4740848B2 (ja) 2011-08-03
WO2005018820A1 (fr) 2005-03-03

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