CN1748984A - 多维激光焊接塑料装置 - Google Patents

多维激光焊接塑料装置 Download PDF

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CN1748984A
CN1748984A CNA2004100664475A CN200410066447A CN1748984A CN 1748984 A CN1748984 A CN 1748984A CN A2004100664475 A CNA2004100664475 A CN A2004100664475A CN 200410066447 A CN200410066447 A CN 200410066447A CN 1748984 A CN1748984 A CN 1748984A
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welding
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王又良
崔瑛
曲世浦
李明
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Shanghai Institute of Laser Technology
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/16—Laser beams
    • B29C65/1629—Laser beams characterised by the way of heating the interface
    • B29C65/1635—Laser beams characterised by the way of heating the interface at least passing through one of the parts to be joined, i.e. laser transmission welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C65/16—Laser beams
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
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    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
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    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/16—Laser beams
    • B29C65/1629—Laser beams characterised by the way of heating the interface
    • B29C65/1635—Laser beams characterised by the way of heating the interface at least passing through one of the parts to be joined, i.e. laser transmission welding
    • B29C65/1638—Laser beams characterised by the way of heating the interface at least passing through one of the parts to be joined, i.e. laser transmission welding focusing the laser beam on the interface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/16—Laser beams
    • B29C65/1687—Laser beams making use of light guides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
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    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/863—Robotised, e.g. mounted on a robot arm
    • B—PERFORMING OPERATIONS; TRANSPORTING
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Abstract

本发明公开了一种多维激光焊接塑料装置，特点是，它包括：激光焊接源、X、Y方向导轨、工作台、光纤角度控制台；Y方向两根导轨分别置于工作台两侧，X方向导轨两端分别与两根Y方向导轨，X方向导轨通过连接板与Z轴丝杆连接，Z轴丝杆连接装有光纤输出头的光纤角度控制台；通过A、B、C电机控制光纤输出头完成X、Y、Z轴方向焊接移动，通过D电机带动光纤输出头摆动实现ZX平面内偏转输出完成焊接，由E电机带动齿轮转盘沿XY水平面旋转使光纤输出头偏转到需要的位置完成焊接。因此，本发明能满足光纤轴始终垂直加工件表面，光纤输出激光透镜保证光束聚焦点在加工件表面，光纤头可做6维移动，光纤头光轴和Z轴在同一个平面上等的技术要求。

Description

多维激光焊接塑料装置
技术领域
本发明涉及激光焊接装置，特别涉及一种多维激光焊接塑料装置，属于激光加工技术领域。
技术背景
随着我国工业经济的发展，特别是家电、汽车、计算机、通讯、医疗、航天等众多领域大量使用塑料材料，而且原先许多传统使用金属的零部件(汽车进气管、油箱、过滤器、医学上使用的流体输送系统等)也开始逐渐被塑料所代替，这些领域所使用的塑料材料不仅要求数量大，而且使用种类多，科技含量高，是塑料制品加工业中能获得高经济效益的最佳领域。因此，在塑料制品的加工过程中人们渴望一种更加快速、有效、干净的塑料焊接方式。由于材料和设备方面的进步，使激光焊接技术作为一种连接塑料制品的专门方法得到了生产厂家的认可，主要用于连接敏感性塑料制品(含有线路板)、具有复杂几何形状的塑料件以及有严格洁净要求的塑料制品(医药设备)等等。
目前国内市场上普遍使用的塑料焊接技术主要有振动摩擦焊接、热板式塑料焊接及超声波焊接等焊接技术，尚未见采用激光焊接技术的塑料焊接产品问世。
激光焊接塑料的基本原理是，两种塑料在低压力下被夹紧在一起，激光穿过一个制品，然后被另外一个制品吸收，吸收激光能量的制品将光能转化为热能，在塑料的接触面熔化，形成一个焊接区。绝大多数本色的塑料和许多有色的半透明塑料都能被激光焊接，例如聚苯乙烯(PS)、聚氯乙烯(PVC)和聚苯烯(PP)等材料。
与传统的塑料焊接技术相比，激光焊接塑料技术主要有以下几方面的优点：(1)能生成精密、牢固和密封(不透气和不漏水)的焊接；
(2)易于控制，具有良好的适应性；
(3)极大地减小了制品的振动应力和热应力；
(4)能够将许多种类不同的材料焊接在一起。
通过资料检索，检索到已申请的专利文献，申请号为00101924.4，其所述的装置是类似的激光塑料焊接装置，主要采用激光束二维扫描装置进行轮廓焊、将激光束通过光束整形直接在物体表面进行焊接或移动焊接工件等方法实现焊接。其缺点是激光束二维扫描，对于复杂形状的塑料零件根本无法焊接，其原因仅靠二维扫描无法保证焊接的激光光束聚焦点在被焊接工件的表面。
发明内容
本发明的目的是为了使激光焊接能应用于汽车、航空、电子、医药等行业中，对各种形状的塑料元器件实现多维立体透过式焊接。
本发明的技术方案是：一种多维激光焊接塑料装置，其特征在于，装置包括：激光焊接源、X方向导轨、Y方向导轨、工作台、光纤角度控制台；Y方向两根导轨分别置于工作台两侧，X方向导轨两端分别与Y方向两导轨连接，X方向导轨通过连接板与Z轴方向移动丝杆连接，Z轴方向移动丝杆连接光纤角度控制台；X方向导轨、Y方向导轨、Z轴方向移动丝杆分别和A电机、B电机及C电机连接，以控制X轴、Y轴及Z轴方移动；激光焊接源所采用的光纤输出头和由D可逆电机带动的摆动架相连接，D可逆电机置于齿轮盘上，齿轮盘置于光纤角度控制台的底板上，底板上置有E电机，其输出轴连接的齿轮与齿轮盘相啮合，所述的齿轮盘上开有与光纤输出头所处位置相对应的狭缝。
所述的激光焊接源为输出波长为810-940nm的半导体激光器。
本发明的有益效果：本发明通过A、B、C电机控制光纤输出头完成X、Y、Z轴方向焊接移动，通过D电机带动连接光纤输出头的摆动架实现ZX平面内偏转输出完成焊接，由E电机带动齿轮转盘沿XY水平面旋转使光纤输出头偏转到需要的位置完成焊接。因此，本发明能满足光纤轴始终垂直加工件表面，光纤输出激光透镜保证光束聚焦点在加工件表面上，光纤头可做6维移动，光纤头光轴和Z轴在同一个平面上等的技术要求。
附图说明
图1为多维塑料焊接装置的结构原理图；
图2为Z轴升降放大示意图；
图3为水平轴旋转、Z轴旋转结构示意图；
图4为多维塑料焊接装置控制原理框图。
具体实施方式
由图1-图4所示，一种多维激光焊接塑料装置，其特点是，它包括：激光焊接源、X方向导轨5、Y方向导轨2、7、工作台1、光纤角度控制台10；Y方向两根导轨2、7分别置于工作台1两侧，X方向导轨5两端分别与Y方向导轨2和Y方向导轨7连接，X方向导轨5通过连接板6与Z轴方向移动丝杆8连接，Z轴方向移动丝杆8连接光纤角度控制台10；X方向导轨5、Y方向导轨2、7，Z轴方向移动丝杆8分别和A电机3、B电机4及C电机9连接，以控制X轴、Y轴及Z轴方向的焊接移动；激光焊接源所采用光纤输出头13和由D可逆电机11带动的摆动架12相连接，D可逆电机11置于齿轮盘15上，齿轮盘15置于光纤角度控制台10的底板19上，底板19上置有E电机18，其输出轴连接的齿轮17与齿轮盘15相啮合，所述的齿轮盘15上开有与光纤输出头13所处位置相对应的狭缝14，狭缝为3mm宽。由于光纤输出头13和由D可逆电机11带动的摆动架12相连接，以保证光纤输出头13可以通过狭缝14在ZX平面内偏转输出完成焊接。E电机18通过齿轮17带动齿轮盘15沿着XY水平面旋转，E电机也可水平放置，使齿轮盘15沿着YZ平面旋转，完成光纤输出头13的空间角度取向。使光纤输出头13偏转到需要的位置从而完成对工件16的焊接。即先通过D电机的旋转完成光纤输出头13一定角度的偏转，再通过E电机完成光纤输出头13在360°内任一空间取向。所述的光纤输出头是指激光输出光纤及准直聚焦透镜的组合。
在需要调焦时由电机A、B、C完成。由图4所示，所有多维位移的实现是由计算机分别控制电机A、B、C、D、E来实现的，从而完成多维塑料工件的焊接。

Claims (2)

1、一种多维激光焊接塑料装置，其特征在于，它包括：激光焊接源、X方向导轨(5)、Y方向导轨(2、7)、工作台(1)、光纤角度控制台(10)；Y方向两根导轨(2、7)分别置于工作台(1)两侧，X方向导轨(5)两端分别与Y方向导轨(2)和Y方向导轨(7)连接，X方向导轨(5)通过连接板(6)与Z轴方向移动丝杆(8)连接，Z轴方向移动丝杆(8)连接光纤角度控制台(10)；X方向导轨(5)、Y方向导轨(2、7)，Z轴方向移动丝杆(8)分别和A电机(3)、B电机(4)及C电机(9)连接，以控制X轴、Y轴及Z轴方向的焊接移动；激光焊接源所采用光纤输出头(13)和由D可逆电机(11)带动的摆动架(12)相连接，D可逆电机(11)置于齿轮盘(15)上，齿轮盘(15)置于光纤角度控制台(10)的底板(19)上，底板(19)上置有E电机(18)，其输出轴连接的齿轮(17)与齿轮盘(15)相啮合，所述的齿轮盘(15)上开有与光纤输出头(13)所处位置相对应的狭缝(14)。
2、根据权利要求1所述的一种多维激光焊接塑料装置，其特征在于，所述的激光焊接源为输出波长为810-940nm的半导体激光器。
CNB2004100664475A 2004-09-16 2004-09-16 多维激光焊接塑料装置 Expired - Fee Related CN100455428C (zh)

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CN102398112A (zh) * 2010-09-15 2012-04-04 江苏透平密封高科技有限公司 适用于刷式密封的激光焊接机
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WO2011076083A1 (zh) * 2009-12-25 2011-06-30 奇瑞汽车股份有限公司 一种电池极片激光切割装置
CN102398112A (zh) * 2010-09-15 2012-04-04 江苏透平密封高科技有限公司 适用于刷式密封的激光焊接机
CN102303185A (zh) * 2011-07-29 2012-01-04 武汉金运激光股份有限公司 一种激光切割机导轨装置
CN102862293A (zh) * 2012-09-21 2013-01-09 苏州凯尔博精密机械有限公司 一种三轴联动的超声波焊接机
CN106807578A (zh) * 2017-01-09 2017-06-09 邝耀燊 一种木材表面纹路成型喷漆自动化设备
CN106807578B (zh) * 2017-01-09 2019-07-02 金轮(佛山)新技术实业有限公司 一种木材表面纹路成型喷漆自动化设备
CN106670647A (zh) * 2017-02-27 2017-05-17 成都蒲江珂贤科技有限公司 一种电路板表面器件焊接用生产线设备
CN110891770A (zh) * 2017-05-23 2020-03-17 知识产权咨询专家股份有限公司 准同步激光焊接方法
CN110977161A (zh) * 2019-11-13 2020-04-10 上海航天设备制造总厂有限公司 一种高精度三轴激光焊接设备
CN112721190A (zh) * 2020-12-29 2021-04-30 苏州凯尔博精密机械有限公司 一种同步激光塑料焊接机

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