CN102114703A - 塑料吹瓶机瓶胚强制加载装置 - Google Patents

塑料吹瓶机瓶胚强制加载装置 Download PDF

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CN102114703A
CN102114703A CN201110027887XA CN201110027887A CN102114703A CN 102114703 A CN102114703 A CN 102114703A CN 201110027887X A CN201110027887X A CN 201110027887XA CN 201110027887 A CN201110027887 A CN 201110027887A CN 102114703 A CN102114703 A CN 102114703A
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CN102114703B (zh
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王巍植
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DEMARK (CHANGXING) INJECTION SYSTEM Co.,Ltd.
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ZHEJIANG DEMARK MACHINERY CO Ltd
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Abstract

塑料吹瓶机瓶胚强制加载装置，包括加载支架，加载支架中安装加载杆和插胚头，加载杆的底部安有滚轮，滚轮与加载轨道相接触，插胚头与塑料瓶胚的内径相配合，塑料瓶胚搁置的小转盘与大转盘之间，其特征在于所述的加载轨道一侧安装压胚支座和调整螺栓，压胚支座和调整螺栓连接压胚轨道，所述的加载杆有压缩弹簧，滚轮的一侧连接压轮，压轮与压胚轨道相接触。本方案的强制加载装置，瓶口的内径偏差可以由原来的±0.05mm变成现在的±0.15mm，使插胚头的适用性更广，同时对注坯系统的生产精度要求也可以降低，从而节约成本。

Description

塑料吹瓶机瓶胚强制加载装置
技术领域
本发明涉及一种塑料吹瓶机瓶胚强制加载装置，属于塑料机械领域。
背景技术
采用塑料吹瓶机生产塑料中空容器，如矿泉水瓶、油瓶、化妆品瓶等，在拉吹成型前，需要先将塑料瓶胚加热变软，塑料瓶胚进入加热器需要瓶胚经小转盘与大转盘啮合时，插胚头插入(加载)塑料瓶胚的内径，从而带着塑料瓶胚进入加热器中加热。现有技术塑料瓶胚在加载时，插胚头与塑料瓶胚内径贴合的位置是有弹性的，能使两者之间牢牢地贴合，完成加热工艺。但有时如果塑料瓶胚的内径偏小，特别是热灌装结晶口，当塑料瓶胚胚口偏小时，插胚头只能插下一点或者插不下去，造成塑料瓶胚加载失败。
发明内容
本发明的目的是为了克服已有技术的缺点，提供一种采用强制加载方式，增大插胚头对塑料瓶胚胚口的内径偏差，使插胚头适用性更广，同时降低注塑机对注胚系统的要求，节省成本的塑料吹瓶机瓶胚强制加载装置。
本发明塑料吹瓶机瓶胚强制加载装置的技术方案是：包括加载支架，加载支架中安装加载杆和插胚头，加载杆的底部安有滚轮，滚轮与加载轨道相接触，插胚头与塑料瓶胚的内径相配合，塑料瓶胚搁置的小转盘与大转盘之间，其特征在于所述的加载轨道一侧安装压胚支座和调整螺栓，压胚支座和调整螺栓连接压胚轨道，所述的加载杆有压缩弹簧，滚轮的一侧连接压轮，压轮与压胚轨道相接触。
本发明的塑料吹瓶机瓶胚强制加载装置，加载时，滚轮从加载轨道上滚过，带动连接在滚轮一侧的压轮与压胚轨道相接触，压胚轨道将压轮下压，由于加载杆有压缩弹簧，压轮带动滚轮上的加载杆下压，加载杆带动加载支架中的插胚头强制插入(加载)塑料瓶胚的内径。本方案的强制加载装置，瓶口的内径偏差可以由原来的±0.05mm变成现在的±0.15mm，使插胚头的适用性更广，同时对注坯系统的生产精度要求也可以降低，从而节约成本。
本发明的塑料吹瓶机瓶胚强制加载装置，所述的压胚支座经转轴连接压胚轨道，调整螺栓活动连接压胚轨道，在压胚支座上安装拉伸弹簧，拉伸弹簧连接压胚轨道。由于压胚轨道是活动连接在压胚支座和调整螺栓上，有了拉伸弹簧后，拉伸弹簧将压胚轨道拉紧，保证压胚轨道的压力，使加载杆下压带动加载支架中的插胚头强制插入(加载)塑料瓶胚的内径(口部内壁)。但是，如果遇到插胚头不能插入塑料瓶胚的内径时，滚轮的加载力大于拉伸弹簧的拉力，强制从压胚轨道下通过，使滚轮不卡死，避免机器发生事故。
附图说明
图1是本发明塑料吹瓶机瓶胚强制加载装置结构示意图；
图2是本发明的压轮与压胚轨道接触状态示意图。
具体实施方式
本发明涉及一种塑料吹瓶机瓶胚强制加载装置，如图1、图2所示，包括加载支架1，加载支架中安装加载杆2和插胚头3，加载杆的底部安有滚轮15，滚轮15与加载轨道4相接触，插胚头3与塑料瓶胚5的内径相配合，塑料瓶胚5搁置的小转盘6与大转盘7之间，其特征在于所述的加载轨道4一侧安装压胚支座9和调整螺栓10，压胚支座9经转轴11连接压胚轨道12，调整螺栓10活动连接压胚轨道12，所述的加载杆2有压缩弹簧8，滚轮15的一侧连接压轮13，压轮13与压胚轨道12相接触。加载时，滚轮15从加载轨道4上滚过，带动连接在滚轮15一侧的压轮13与压胚轨道12相接触，压胚轨道12将压轮13下压，由于加载杆2有压缩弹簧8，压轮13带动滚轮15上的加载杆2下压，加载杆2带动加载支架1中的插胚头3强制插入(加载)塑料瓶胚5的内径。本方案的强制加载装置，瓶口的内径偏差可以由原来的±0.05mm变成现在的±0.15mm，使插胚头的适用性更广，同时对注坯系统的生产精度要求也可以降低，从而节约成本。所述的压胚支座9经转轴11连接压胚轨道12，调整螺栓10活动连接压胚轨道12，在压胚支座9上安装拉伸弹簧14，拉伸弹簧14连接压胚轨道12。由于压胚轨道12是活动连接在压胚支座9和调整螺栓10上，有了拉伸弹簧14后，拉伸弹簧14将压胚轨道12拉紧，保证压胚轨道12的压力，使加载杆2下压带动加载支架1中的插胚头3强制插入(加载)塑料瓶胚的内径(口部内壁)。但是，如果遇到插胚头不能插入塑料瓶胚的内径时，滚轮的加载力大于拉伸弹簧的拉力，强制从压胚轨道下通过，使滚轮不卡死，避免机器发生事故。

Claims (2)

1.塑料吹瓶机瓶胚强制加载装置，包括加载支架(1)，加载支架中安装加载杆(2)和插胚头(3)，加载杆的底部安有滚轮(15)，滚轮(15)与加载轨道(4)相接触，插胚头(3)与塑料瓶胚(5)的内径相配合，塑料瓶胚(5)搁置的小转盘(6)与大转盘(7)之间，其特征在于所述的加载轨道(4)一侧安装压胚支座(9)和调整螺栓(10)，压胚支座(9)和调整螺栓(10)连接压胚轨道(12)，所述的加载杆(2)有压缩弹簧(8)，滚轮(15)的一侧连接压轮(13)，压轮(13)与压胚轨道(12)相接触。
2.如权利要求1所述的塑料吹瓶机瓶胚强制加载装置，其特征在于所述的压胚支座(9)经转轴(11)连接压胚轨道(12)，调整螺栓(10)活动连接压胚轨道(12)，在压胚支座(9)上安装拉伸弹簧(14)，拉伸弹簧(14)连接压胚轨道(12)。
CN 201110027887 2011-01-26 2011-01-26 塑料吹瓶机瓶胚强制加载装置 Active CN102114703B (zh)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2118621U (zh) * 1991-05-18 1992-10-14 石孟成 一种塑料注射吹瓶机
CN2319211Y (zh) * 1997-11-24 1999-05-19 汪兆钧 塑料吹瓶机
DE102007005489A1 (de) * 2007-01-30 2007-07-26 Bachmann Gmbh Rundgetaktete Maschine, insbesondere Blasformmaschine
EP1935614B1 (en) * 2006-12-22 2009-09-02 Smiths Group plc Apparatus and methods of end forming tubes
CN202071333U (zh) * 2011-01-26 2011-12-14 浙江德玛克机械有限公司 塑料吹瓶机瓶坯强制加载装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2118621U (zh) * 1991-05-18 1992-10-14 石孟成 一种塑料注射吹瓶机
CN2319211Y (zh) * 1997-11-24 1999-05-19 汪兆钧 塑料吹瓶机
EP1935614B1 (en) * 2006-12-22 2009-09-02 Smiths Group plc Apparatus and methods of end forming tubes
DE102007005489A1 (de) * 2007-01-30 2007-07-26 Bachmann Gmbh Rundgetaktete Maschine, insbesondere Blasformmaschine
CN202071333U (zh) * 2011-01-26 2011-12-14 浙江德玛克机械有限公司 塑料吹瓶机瓶坯强制加载装置

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