CN1203985C - 一种软管成型器具 - Google Patents

一种软管成型器具 Download PDF

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Publication number
CN1203985C
CN1203985C CN02152219.7A CN02152219A CN1203985C CN 1203985 C CN1203985 C CN 1203985C CN 02152219 A CN02152219 A CN 02152219A CN 1203985 C CN1203985 C CN 1203985C
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CN
China
Prior art keywords
pipe box
axle
open slot
pipe
opening
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Expired - Fee Related
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CN02152219.7A
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English (en)
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CN1420015A (zh
Inventor
D·M·马蒂
S·D·格里诺维茨
J·J·瓦尔斯
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Goodyear Tire and Rubber Co
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Goodyear Tire and Rubber Co
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Publication of CN1420015A publication Critical patent/CN1420015A/zh
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Classifications

    • 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
    • B29C53/00Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/80Component parts, details or accessories; Auxiliary operations
    • B29C53/82Cores or mandrels
    • 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
    • B29C53/00Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/02Bending or folding
    • B29C53/08Bending or folding of tubes or other profiled members
    • B29C53/083Bending or folding of tubes or other profiled members bending longitudinally, i.e. modifying the curvature of the tube axis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2021/00Use of unspecified rubbers as moulding material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)

Abstract

本发明公开了一种用于制造套在心轴上的弯管的管套。该管套是圆柱形,带有侧壁、基部和开口。管套的从开口向基部延伸的侧壁上设有开口槽。在端部附近带有弯头的心轴插入该管套,心轴从管套开口槽突出。该管套可用于制造弯头附近有短直端部的弯管。

Description

一种软管成型器具
技术领域
本发明涉及一种软管成型器具。更具体地讲,本发明涉及一种成型管套,心轴在软管形成弯管之前插入管套。
背景技术
一般来说,弯曲软管是通过将具有预先切割长度的管体定位在弯曲的心轴上,然后加热和固化管体而形成。弯管可以有任何所要的形状,最终的形状只受到制造复杂形状能力的限制。软管固化可以在短心轴或固定的多段心轴上实现,如美国专利No.4,015,918和No.4,436,690所介绍的。
美国专利No.4,015,918中公开的心轴是传统的单件弯曲心轴。在心轴的端部设置了槽,用于当一段软管插到心轴上之后将套环固定在心轴上。在心轴的相对端设有挡环,当一段软管插到心轴上时软管与其对接。挡环的另一边在使用时是支撑心轴的机构,即将心轴固定到固化支架的机构
其他的心轴可以没有附属的套环和固定机构,许多心轴使用固定管套。固定管套安装在心轴的固定端,心轴端部延伸穿过位于管套底部的中心开口。心轴端部固定到固定块上。固定块然后安装到固化支架上的狭槽中。传统的固定管套是中空的圆管,在第一端设有很大的圆开口,在第二端有较小的开口,心轴可穿过该开口延伸。
然而,使用固定管套有时候会干涉特定软管形状的成型。当制造带有弯头和短直端的软管时就会遇到这个问题。如果弯头的位置靠近心轴的端部,弯头将直接靠在固定套管的顶部。这将造成橡胶沟槽,产生有缺陷的软管。
发明内容
本发明涉及一种设计用来克服传统固定管套局限性的管套,可制造出更均匀一致的弯曲软管。
本发明涉及一种用于制造套在心轴上的弯曲软管的管套。所述管套是圆柱形的,带有侧壁、基部和开口,一种用于制造套在心轴上的弯管的固化管套,所述管套是圆柱形,带有开口、基部和从所述开口向所述基部延伸的侧壁,其特征在于,一开口槽延伸通过所述侧壁,并且从所述开口部分沿着所述管套的长度向所述基部延伸。
本发明的一个方面,管套侧壁上的开口槽沿管套长度延伸管长的大约一半。
本本发明的另一个方面,开口槽具有的宽度为管套圆周的大约三分之一。
本发明的又一个方面,开口槽的开口以一定倾角倾斜,在开口槽上形成一个平滑倾斜的唇口。
附图说明
通过示例并参考附图对本发明加以介绍。其中:
图1显示一段套在心轴上的软管;
图2显示了带有根据本发明的管套的一段软管和心轴;
图3a是本发明的管套的正视图;
图3b是本发明的管套的侧视图;
图3c是本发明的管套的顶视图。
具体实施方式
现在参考附图,尤其是图1到图3c,将对实施本发明的原理和概念的弯曲软管的固化管套加以介绍。
一段管体10插到用于固化的弯曲心轴12上,如图1所示。心轴12带有锥形的插入端14、附近的锁定槽16、至少一个弯头、和固定端20。为了容易插入和取出软管10,在软管10的内部或心轴12上设置了润滑剂。
尽管图示的心轴12具有两个弯头18,所述领域的技术人员可以理解实际的结构是变化的,并取决于固化的软管的具体应用。在非本发明所要求的优选的最少情况下,心轴12具有至少一个位于固定端20附近的弯头18,可形成带有端部附近短直端的软管。但是,如下面将进一步说明的,本发明的应用可以不涉及心轴结构和将成型的软管。
心轴12的固定端20插入成型管套22,如图2所示。成型管套22是中空的厚壁圆柱体,根据本发明,沿管套22的长度设置了较宽的开口槽24。心轴弯头18和其上的软管10突出于开口槽24。心轴12的固定端20从管套22的基部26中延伸出,并固定到固定块28上。固定块28位于可移进和移出固化单元的固化支架上
在图3a到3c清楚地显示了管套22。开口槽24向下延伸大约管套22长度的一半,其宽度至少为管套22圆周的三分之一。开口槽24如果需要可以根据心轴12的弯头的位置设置成更大的长度。不管开口槽24相对管套长度是多少,主要的要求是弯头18和软管10的任何部分不能靠在开口槽24的唇部30上。开口槽24的宽度也取决于将插入管套22的心轴12和软管10的尺寸。与长度类似,开口槽24的宽度必须足够,以防止软管10和管套发生接触。开口槽24的整个唇部30也以一定的倾角形成,以便围绕整个开口槽24形成平滑连续的唇部30。
靠近开口槽24最低部分的管套22朝基部26延伸的内侧也可以设置缩进部分32,以便在固化期间帮助控制软管10的流动。缩进部分32是平滑的斜面。
当软管10和心轴12位于管套22中时,软管10的端部与基部环34对接。如果操作者对已经固定到管套22当中和固定块28的心轴12安装软管时,感觉到软管10的端部碰到基部环34时,就知道软管10已经完全插到心轴上了。
基部环34上还设置了多个润滑剂排出槽36。不限数量的这种槽36可围绕基部环34位于任何位置。图示的管套22具有等间距的一组四个槽36。来自软管10和心轴12的润滑剂在软管10固化之前和固化期间可通过这些槽36排出。
通过在管套22上设置开口槽24可以得到更均匀的产品。通过防止管套22和软管10之间发生接触,避免了固化的软管出现不想要的印记和侧壁尺度变化。
在本说明书提供的发明范围内可以对本发明进行改变。尽管为了说明本发明的目的已经显示了本发明的一些代表性实施例和细节,对于所述领域的技术人员来说,很显然在不脱离本发明范围的情况下可以进行各种变更和修改。因此,应当知道对所介绍的特定实施例进行的改变将被视为属于所附权利要求书中加以限定的本发明的整体范围。

Claims (4)

1.一种用于制造套在心轴上的弯管的固化管套,所述管套是圆柱形,带有开口、基部和从所述开口向所述基部延伸的侧壁,其特征在于,一开口槽延伸通过所述侧壁,并且从所述开口部分沿着所述管套的长度向所述基部延伸。
2.根据权利要求1所述的固化管套,其特征在于,所述开口槽沿所述管套长度延伸到长度的大约一半。
3.根据权利要求1所述的固化管套,其特征在于,所述开口槽的宽度大约为所述管套圆周的三分之一。
4.根据权利要求1所述的固化管套,其特征在于,所述开口槽的开口以一定倾角倾斜。
CN02152219.7A 2001-11-16 2002-11-15 一种软管成型器具 Expired - Fee Related CN1203985C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/992,184 US6682335B2 (en) 2001-11-16 2001-11-16 Hose molding device
US09/992184 2001-11-16

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CN1420015A CN1420015A (zh) 2003-05-28
CN1203985C true CN1203985C (zh) 2005-06-01

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US (1) US6682335B2 (zh)
EP (1) EP1314537A3 (zh)
JP (1) JP2003145549A (zh)
CN (1) CN1203985C (zh)
BR (1) BR0204594A (zh)
CA (1) CA2407856A1 (zh)
MX (1) MXPA02010817A (zh)

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EP2303411A4 (en) * 2008-06-20 2013-12-18 Elkhart Brass Mfg Co FIRE-FIGHTING DEVICE WITH WATERFLOW
US20160258020A1 (en) 2013-10-21 2016-09-08 The Regents Of The University Of California Enrichment and detection of nucleic acids with ultra-high sensitivity
JP7002364B2 (ja) * 2018-03-01 2022-01-20 三桜工業株式会社 曲げ成形型
US11387639B2 (en) 2018-07-11 2022-07-12 Hubbell Incorporated Electrical box cable connector
KR102125514B1 (ko) * 2018-10-23 2020-06-24 주식회사 화승알앤에이 호스 성형 장치
CN111497198A (zh) * 2020-04-23 2020-08-07 厦门蓬欣橡胶制品工业有限公司 一种橡胶弯管的生产工艺

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Publication number Publication date
CN1420015A (zh) 2003-05-28
EP1314537A3 (en) 2004-11-17
US20030096033A1 (en) 2003-05-22
MXPA02010817A (es) 2003-08-20
EP1314537A2 (en) 2003-05-28
US6682335B2 (en) 2004-01-27
JP2003145549A (ja) 2003-05-20
BR0204594A (pt) 2003-07-15
CA2407856A1 (en) 2003-05-16

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