CN100467253C - 树脂成型体及其制备方法 - Google Patents

树脂成型体及其制备方法 Download PDF

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Publication number
CN100467253C
CN100467253C CNB2004100881496A CN200410088149A CN100467253C CN 100467253 C CN100467253 C CN 100467253C CN B2004100881496 A CNB2004100881496 A CN B2004100881496A CN 200410088149 A CN200410088149 A CN 200410088149A CN 100467253 C CN100467253 C CN 100467253C
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China
Prior art keywords
laser beam
transmissive
resin parts
pad
transmissive resin
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Expired - Fee Related
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CNB2004100881496A
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CN1608831A (zh
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渡边达也
祝洋三
河本保典
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Denso Corp
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Denso Corp
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    • 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
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/40General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43Joining a relatively small portion of the surface of said articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06Shaping the laser beam, e.g. by masks or multi-focusing
    • B23K26/064Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06Shaping the laser beam, e.g. by masks or multi-focusing
    • B23K26/064Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
    • B23K26/0648Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising lenses
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06Shaping the laser beam, e.g. by masks or multi-focusing
    • B23K26/0665Shaping the laser beam, e.g. by masks or multi-focusing by beam condensation on the workpiece, e.g. for focusing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20Bonding
    • B23K26/21Bonding by welding
    • B23K26/22Spot welding
    • 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
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14Joining 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
    • B29C65/16Laser beams
    • B29C65/1629Laser beams characterised by the way of heating the interface
    • B29C65/1635Laser 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
    • 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
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14Joining 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
    • B29C65/16Laser beams
    • B29C65/1629Laser beams characterised by the way of heating the interface
    • B29C65/1654Laser beams characterised by the way of heating the interface scanning at least one of the parts to be joined
    • 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
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14Joining 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
    • B29C65/16Laser beams
    • B29C65/1629Laser beams characterised by the way of heating the interface
    • B29C65/1654Laser beams characterised by the way of heating the interface scanning at least one of the parts to be joined
    • B29C65/1661Laser beams characterised by the way of heating the interface scanning at least one of the parts to be joined scanning repeatedly, e.g. quasi-simultaneous laser welding
    • 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
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14Joining 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
    • B29C65/16Laser beams
    • B29C65/1629Laser beams characterised by the way of heating the interface
    • B29C65/1664Laser beams characterised by the way of heating the interface making use of several radiators
    • 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
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14Joining 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
    • B29C65/16Laser beams
    • B29C65/1687Laser beams making use of light guides
    • B29C65/169Laser beams making use of light guides being a part of the joined article
    • 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
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14Joining 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
    • B29C65/16Laser beams
    • B29C65/1687Laser beams making use of light guides
    • B29C65/169Laser beams making use of light guides being a part of the joined article
    • B29C65/1693Laser beams making use of light guides being a part of the joined article in the form of a cavity
    • 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
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112Single lapped joints
    • B29C66/1122Single lap to lap joints, i.e. overlap joints
    • 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
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/347General aspects dealing with the joint area or with the area to be joined using particular temperature distributions or gradients; using particular heat distributions or gradients
    • B29C66/3472General aspects dealing with the joint area or with the area to be joined using particular temperature distributions or gradients; using particular heat distributions or gradients in the plane of the joint, e.g. along the joint line in the plane of the joint or perpendicular to the joint line in the plane of the joint
    • 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
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/70General 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
    • B29C66/73General 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
    • B29C66/733General 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 optical properties of the material of the parts to be joined, e.g. fluorescence, phosphorescence
    • B29C66/7334General 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 optical properties of the material of the parts to be joined, e.g. fluorescence, phosphorescence at least one of the parts to be joined being glossy or matt, reflective or refractive
    • B29C66/73343General 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 optical properties of the material of the parts to be joined, e.g. fluorescence, phosphorescence at least one of the parts to be joined being glossy or matt, reflective or refractive at least one of the parts to be joined being matt or refractive
    • 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
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/70General 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
    • B29C66/73General 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
    • B29C66/739General 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
    • B29C66/7392General 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
    • B29C66/73921General 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
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    • 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
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/80General aspects of machine operations or constructions and parts thereof
    • 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
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
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    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29K2307/00Use of elements other than metals as reinforcement

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • Toxicology (AREA)
  • Plasma & Fusion (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Laser Beam Processing (AREA)

Abstract

一种用于制备树脂成型体的方法,包括步骤:层压一种能透射作为热源的激光束(13)的透射树脂部件(2)和一种能吸收该激光束(13)的吸收树脂部件(3);和在该透射树脂部件(2)和该吸收树脂部件(3)之间的界面上,从该透射树脂部件(2)表面辐射该激光束(13),使得在该界面上形成一个焊接点(4),且将该透射树脂部件(2)和该吸收树脂部件(3)焊接。该激光束(13)在该界面上通过一个均化器(20、21)被均一地辐射,使得该焊接点(4)的中心部分(40)和该焊接点(4)的外部部分(41)通过该激光束(13)均一地被加热。

Description

树脂成型体及其制备方法
发明领域
本发明涉及一种通过使用激光束的焊接制备的树脂成型体,和用于制备相同材料的方法。
发明背景
激光束焊接方法适用于树脂部件之间的粘结。该方法例如公开于日本专利申请出版物No.2001-105500、No.2001-71384和No.S60-214931(其对应于美国专利US4,636,609)中。
图8A和8B为解释一种用于通过传统激光束焊接方法制备树脂成型体的方法的示意图。图8B为沿扫描方法的横截面图。在该激光束焊接方法中,首先,层压该第一树脂部件101和该第二树脂部件102。该第一树脂部件101能够透射激光束100。该第二树脂部件能够吸收该激光束100。其次,该激光束100从第一树脂部件侧被辐射。该辐射激光束100透过该第一树脂部件101,并到达第一树脂部件101和第二树脂部件102之间的粘结表面(即界面)。该第二树脂部件102吸收该激光束100的能量。该第二树脂部件通过该吸收的能量被加热和熔融。在第二树脂部件102中产生的热量传导到第一树脂部件101。该第一树脂部件101通过该传导的热量也被熔融。这样,在第一和第二树脂101、102之间的粘结表面上形成一个焊接点104。该激光束100在通过图8A中的轮廓箭头所示的方向上被扫描。因此,该焊接点104是线性联接的。从而,在焊接之后,在沿扫描轨迹上形成一个焊接的线性痕迹。通过使用该激光束焊接,由于该第一和第二树脂部件101、102在该焊接点104上相互扩散,因而获得坚固的粘结强度。因此,该激光束焊接方法被广泛地用于,例如制备一种树脂成型体如机动车辆的部件。
但是,该激光束100在该焊接点104上的能量分布是不均一的。该激光束100的能量密度分布具备一种高斯分布,使得在该中心部分的能量密度变为最大,且随着向外侧延伸该能量密度变为更低。因此,当该焊接点104外部部分被加热升高到预定温度时,该焊接点104的中心部分变为过热。由此,树脂可能被热分解,使得该焊接点104的中心部分被汽化。进一步,由于在该中心部分的树脂熔融量大于在外部部分的熔融量,可能在冷却之后产生收缩。树脂的汽化和收缩的产生导致粘结强度降低。
出于上述的问题,通过使用一种四面体用于改进该激光束的非均一能量分布的激光装置,公开于日本专利申请出版物No.H2-266918。该四面体由金属制备,且为一个圆柱形。该四面体的内表面由一个镜面形成。当该激光束进入到该四面体中,该激光束通过该镜面被多次反射。由于该多次反射,该激光束的非均一能量分布得到改进。但是,当该四面体被安装在该激光装置上时,装置成本变为更大。这样,该树脂成型体的制造成本也变为更高。
发明内容
出于上述的问题,本发明的一个目的是,提供一种用于制造树脂成型体的方法,该方法提供用于改进焊接点的非均一能量分布。进一步,本发明的另一个目的是,提供一种具备坚固粘结强度的树脂成型体。
一种用于制造树脂成型体的方法,包括步骤:层压一种能透射作为热源的激光束的透射树脂部件和一种能吸收该激光束的吸收树脂部件;并在该透射树脂部件和该吸收树脂部件之间的界面上,从该透射树脂部件表面辐射该激光束,使得在该界面上形成一个焊接点,并将该透射树脂部件和该吸收树脂部件焊接。该激光束在该界面上通过一个均化器被均一地辐射,使得该焊接点的中心部分和该焊接点的外部部分通过该激光束均一地加热。
该上述的方法提供用于改进该焊接点的非均一能量分布,使得该树脂成型体具备高粘结强度。在该树脂成型体中,没有形成汽化部分树脂和收缩。
优选地,该均化器为一个位于该透射树脂部件表面上的凸镜。该凸镜增加了一部分将被在该透射树脂部件表面辐射的激光束的到达距离,该部分到达该焊接点的中心部分,使得该部分的到达距离大于该激光束另外部分的另外到达距离,另外部分到达该焊接点的外部部分。更优选地,该激光束在辐射步骤中在该凸镜中心上被辐射,使得该激光束通过该透射树脂部件在该界面上被辐射。进一步更优选地,该方法进一步包括在一个扫描方向上扫描该激光束的步骤,使得该透射树脂部件和该吸收树脂部件线性地粘结。该凸镜在平行于该激光束扫描方向上延伸,且该凸镜具有在垂直于该扫描方向的方向上的宽度。该激光束具有一个束直径,其大于该凸镜的宽度。进一步更优选地,该透射树脂部件和该吸收树脂部件在辐射步骤中在一点上焊接。该凸镜为一个具备直径的环状截锥形。该激光束具有一个束直径,其大于该凸镜的直径。
优选地,该均化器为一个位于该透射树脂部件表面上的凹镜。该凹镜反射将在该透射树脂部件表面上被辐射的激光束,使得至少一部分到达该焊接点中心部分的激光束组份,到达该焊接点的外部部分。
优选地,该均化器为一种放置在激光装置中的激光束调节工具,其辐射该激光束。该激光束调节工具优先地辐射在该焊接点外部部分上的激光束。更优选地,该激光束调节工具是一个激光束分解工具,用于将一个单激光束分解为多个组份。进一步更优选地,该激光束的多个组份具有一个中心,其与该焊接点的中心部分保持一致。该激光束通过该透射树脂部件在该界面上被辐射。进一步更优选地,该方法进一步包括在一个扫描方向上扫描该激光束的步骤,使得该透射树脂部件和该吸收树脂部件线性地粘结。该焊接点在平行于该激光束扫描方向上延伸,且该焊接点具有在垂直于该扫描方向的方向上的宽度。该激光束具有一个束距离,其几乎等于该焊接点的宽度。进一步更优选地,该透射树脂部件和该吸收树脂部件在辐射步骤中在一点上焊接。该焊接点具有一个直径。该激光束具有一个束直径,其几乎等于该焊接点的直径。
进一步,一种树脂成型体包括:一种能透射作为热源的激光束的透射树脂部件;和一种能吸收该激光束的吸收树脂部件。该透射树脂部件包括一个放置在该透射树脂部件表面上的且对应于该透射树脂和该吸收树脂之间的粘结部分的凸镜。
该树脂成型体具备高粘结强度。该树脂成型体没有汽化部分的树脂和收缩。
优选地,在通过该激光束粘结该透射树脂部件和该吸收树脂部件的情形下,该凸镜能够均化激光束。更优选地,该凸镜能够增加将在该透射树脂部件表面上被辐射的激光束部分的到达距离,该部分到达该粘结部分的中心部分,使得该部分的到达距离变得大于该激光束另一部分的另一到达距离,另一部分到达该粘结部分的外部部分。进一步更优选地,该粘结部分在一个粘结方向上延伸,且具有一个在垂直于该粘结方向的方向上的宽度。该凸镜在平行于该粘结方向上延伸,且该凸镜具备一个在垂直于该粘结方向的方向上的宽度,其小于该粘结部分的宽度。
进一步,一种树脂成型体包括:一种能透射作为热源的激光束的透射树脂部件;和一种能吸收该激光束的吸收树脂部件。该透射树脂部件包括一个放置在该透射树脂部件表面上的且对应于该透射树脂和该吸收树脂之间的粘结部分的凹镜。
该树脂成型体具备高粘结强度。该树脂成型体没有汽化部分的树脂和收缩。
附图详细说明
本发明的上述和其它目的、特征和优点,从通过参考该附图提出的随后详细说明中,将变得更显然。
图1为一个显示在一种用于制备树脂成型体的方法中使用的激光装置的示意图,依据本发明的第一种实施方式;
图2A为一个解释一种扫描焊接方法的透视图,和图2B为一个显示在沿图2A中的直线IIB-IIB取出的树脂成型体的横截面图,依据该第一种实施方式;
图3A为一个解释一种扫描焊接方法的透视图,和图3B为一个显示在沿图3A中的直线IIIB-IIIB取出的树脂成型体的横截面图,依据本发明的第二种实施方式;
图4A为一个解释一种扫描焊接方法的透视图,和图4B为一个显示在沿图4A中的直线IVB-IVB取出的树脂成型体的横截面图,依据本发明的第三种实施方式;
图5为一个解释一种点焊接方法的透视图,依据本发明的第四种实施方式;
图6为一个解释一种点焊接方法的透视图,依据本发明的第五种实施方式;
图7为一个解释一种点焊接方法的透视图,依据本发明的第六种实施方式;
图8A为一个解释一种通过使用一种传统激光束焊接方法用于制造树脂成型体的方法的透视图,和图8B为一个显示在沿图8A中的直线VIIIB-VIIIB取出的树脂成型体的横截面图。
优选实施方式详细说明
(第一种实施方式)
依据本发明第一种实施方式,一种用于制造树脂成型体的方法,包括步骤:将一种能透射作为热源的激光束的透射树脂部件和一种能吸收该激光束的吸收树脂部件结合;在该透射树脂部件和该吸收树脂部件之间的结合表面上,从该透射树脂部件的表面辐射该激光束,使得在该结合表面上形成一个焊接点,且该透射树脂部件和该吸收树脂部件被焊接。在该方法中,该透射树脂部件的表面包括一个作为均化器的凸镜,用于增加将在该表面被辐射的激光束部分的到达距离,该部分激光束到达该焊接点的中心部分,使得该部分的到达距离变得大于该激光束另一部分的另一到达距离,另一部分激光束到达该焊接点的外部部分。
在该激光束焊接方法中,所有进入该透射树脂部件的激光束没有都到达该焊接点。这是因为,一部分该激光束被吸收、分散等等。由于该透射树脂部件的厚度(即,该激光束从中透射的一部分透射树脂部件的厚度)变得更厚,对于该激光束来说,透过该透射树脂部件变得更困难。
出于上述的观点,该凸镜被放置在将被在该焊接点中心部分上辐射的激光束部分的扫描区域上。位于该凸镜上的该透射树脂部件的厚度,变得大于其它部分的厚度。由此,对于该激光束来说,难以透过在该焊接点中心部分的该透射树脂部件。因而,在该中心部分的能量密度变得较小,使得该焊接点中心部分和该焊接点外部部分之间的能量密度差被降低。也就是说,在该焊接点的非均一能量分布可以得到改进。这样,在该焊接点被冷却之后,该焊接点中心部分和该焊接点外部部分之间的粘结强度差被降低。
在这种方法中,没有额外的装置是用于辐射该激光束的该激光装置中必须的。因此,在该焊接点的非均一能量分布可以以相对较低的成本得到改进。此时,“该焊接点的外部部分”,在一种通过扫描该激光束的扫描焊接方法情形中,是位于该焊接点中心部分上的扫描方向轴两侧。进一步,“该焊接点的外部部分”,在一种无扫描该激光束的点焊接方法情形中,是位于该焊接点中心部分的外侧上。
上述方法提供了该树脂成型体,其包括:一种能透射作为热源的激光束的透射树脂部件;和一种能吸收该激光束的吸收树脂部件。该透射树脂部件和该吸收树脂部件被焊接,使得提供该树脂成型体。在该树脂成型体中,该透射树脂部件的表面包括一个凸镜,其被沿焊接痕迹上放置。在该树脂成型体中,在激光束焊接情形中产生该树脂的汽化和“收缩”的可能性很小。因此,该粘结强度是很高的。进一步,该粘结强度在该焊接痕迹的所有区域上都是均一的。为了确定该凸镜和该焊接痕迹之间的位置关系,例如,该树脂成型体在该凸镜上被几乎垂直地切割,使得该横截面得到观察。这样,该凸镜和该焊接痕迹之间的关系得到观察。
该凸镜的形状没有特别限定。该激光束的吸收和/或分散程度,依据该激光束的种类和组成该透射树脂部件的树脂的类型而改变。因此,该凸镜的形状依据该激光束的种类和该树脂的类型而适当地确定。
该透射树脂部件和该吸收树脂部件的材料没有特别限定。例如,它们是由热塑性树脂制备,如PP(即聚丙烯)、PC(即聚碳酸酯)、ABS(即丙烯腈-丁二烯-苯乙烯聚合物)、PBT(即聚对苯二甲酸丁二醇酯)、和PPS(即聚亚苯基硫醚)。此时,该树脂部件可以适当地包括几种合成染料、增强剂等等。
该激光束的种类没有特别限定,只要该激光束具备用于透射该透射树脂部件的一定波长。例如,该激光装置为一种半导体激光、一种Nd:YAG激光、一种玻璃-钕激光、一种红宝石激光、一种氢激光等等。优选的是,该激光装置为半导体激光,其具备高的能量转化效率,和具备小的装置起居舱室。进一步,在该扫描焊接方法情形中的激光束能量、辐射密度、扫描速度和在该点焊接方法情形中的辐射时间,没有特别限定。它们可以出于制造该树脂成型体的循环时间的考虑而适当地确定。例如,该扫描焊接方法为一种通过使用一种检流计镜的高速焊接方法、一种通过使用一种透镜系统的间歇处理方法、一种传统的连续焊接方法等等。更进一步,该激光焊接方法的方式没有特别限定。该激光焊接方法的方式是可获得的每种方式,如一种对焊方法和一种搭接焊方法。
其次,依据第一种实施方式的该树脂成型体和用于制造该树脂成型体的方法,如下详细描述。
图1为一个显示在一种用于制备树脂成型体的方法中使用的激光装置的示意图,依据本发明的第一种实施方式。该激光装置1包括一个激光束生成单元10,一个光纤11和一个电容器透镜12。该激光束生成单元10产生该半导体激光束13。该激光束13在相互层压的该透射树脂部件2和该吸收树脂部件3之间的粘结表面上,从该透射树脂部件侧被辐射。该激光束13在如图1中轮廓箭头所示的方向上被扫描。
图2A和2B是解释该扫描焊接方法的示意图,依据该第一种实施方式。图2A为一个透视图,和图2B为一个沿扫面方向的横截面图。该透射树脂部件2为一种通过注射成型方法由PP形成的板材。凸镜20在该透射树脂部件2的表面上形成。该凸镜20沿该扫描方向延伸。该透射树脂部件2能够透射激光束13。该吸收树脂部件3为一种通过注射成型方法由PP形成的板材。因此,该透射树脂部件2和该吸收树脂部件3相互具备相容性。将碳适当地加入到该吸收树脂部件3中,使得该吸收树脂部件3能够吸收该激光束13。
该激光束13透过该透射树脂部件2,并在该透射树脂部件2和该吸收树脂部件3之间的粘结表面上被辐射。该激光束13在该吸收树脂部件3中被吸收,使得接近该吸收树脂部件3表面的部分产生热量,并且该部分被熔融。在该吸收树脂部件3中产生的热量,通过该粘结表面传导到该透射树脂部件2。该透射树脂部件2也被该热量熔融。这样,在该粘结表面上形成一个焊接点4。通过扫描该激光束13,重复进行如上描述的激光束吸收、热量生成和热量传导。
如图2B中所示,将距离L1设定为长于其它距离L2、L3。距离L1为该透射树脂部件2的表面(即该凸镜20的顶部)与该焊接点4的中心部分40之间的长度。该其它距离L2、L3为该透射树脂部件2的表面与该焊接点4的外部部分41之间的长度。因此,一部分将在该透射树脂部件2的表面上被辐射的、到达该焊接点4的中心部分40的激光束13的到达距离,长于另外部分的、到达该焊接点4的外部部分41的激光束13的另外到达距离。因而,该中心部分40和该外部部分41之间的能量密度差可以被降低。也就是说,在该焊接点41的非均一能量分布可以被改进。这样,在该焊接点4被冷却之后,该中心部分40和该外部部分41之间的粘结强度差可以被降低。
在该第一种实施方式中,在该激光装置1中不需要额外的装置如一种四面体。这样,在该焊接点4的非均一能量分布可以以相对较低的成本得到改进。
因而,依据该第一种实施方式用于制造该树脂成型体的方法,提供改进了该焊接点4的非均一能量分布。进一步,该树脂成型体具备高粘结强度。
(第二种实施方式)
一种依据本发明第二种实施方式用于制造树脂成型体的方法,包括步骤:将一种能透射作为热源的激光束的透射树脂部件和一种能吸收该激光束的吸收树脂部件结合;并在该透射树脂部件和该吸收树脂部件之间的结合表面上,从该透射树脂部件的表面辐射该激光束,使得在该结合表面上形成一个焊接点,且该透射树脂部件和该吸收树脂部件被焊接。在该方法中,该透射树脂部件的表面包括一个作为均化器的凹镜,用于反射将在该表面上被辐射的激光束,使得该至少一部分到达该焊接点中心部分的激光束组份,到达该焊接点的外部部分。
该凹镜被放置在将在该焊接点中心部分上被辐射的激光束部分的扫描区域上。进入该凹镜的激光束部分,依据该凹镜的凹面反射。设计该凹面,使得至少一部分该激光束部分到达该焊接点的外部部分。因此,该焊接点中心部分和该焊接点外部部分之间的能量密度差可以被降低。在该焊接点的非均一能量分布得到改进。进一步,在该焊接点被冷却之后,该焊接点中心部分和该焊接点外部部分之间的粘结强度差可以被降低。
更进一步,在该第二种实施方式中,没有额外的装置是用于辐射该激光束的该激光装置中必须的。因此,在该焊接点的非均一能量分布可以以相对较低的成本得到改进。
该上述方法提供了一种树脂成型体,其包括:一种能透射作为热源的激光束的透射树脂部件;和一种能吸收该激光束的吸收树脂部件。该透射树脂部件和该吸收树脂部件被焊接,使得提供该树脂成型体。在该树脂成型体中,该透射树脂部件的表面包括一个凹镜,其被沿焊接痕迹上放置。在该树脂成型体中,在激光束焊接情形中产生该树脂的汽化和“收缩”的可能性很小。因此,该粘结强度是很高的。进一步,该粘结强度在该焊接痕迹的所有区域上都是均一的。为了确定该凹镜和该焊接痕迹之间的位置关系,例如,该树脂成型体在该凹镜上被几乎垂直地切割,使得该横截面得到观察。这样,该凹镜和该焊接痕迹之间的关系得到观察。
该凹镜的形状没有特别限定。该凹镜的形状,依据该透射树脂部件的折射率和该焊接点的尺寸合适地确定。
其次,依据第二种实施方式的该树脂成型体和用于制造该树脂成型体的方法,如下详细描述。凹镜21代替凸镜20,被放置在该透射树脂部件2上。
图3A和3B是解释该扫描焊接方法的示意图,依据该第二种实施方式。图3A为一个透视图,和图3B为一个沿扫描方向的横截面图。凹镜21在该透射树脂部件2的表面上形成。该凹镜21沿该扫描方向延伸。
如图3B中所示,一部分进入到该凹镜21的激光束13部分,依据该凹镜21的凹面,向外侧反射。该激光束13的反射部分到达该外部部分41。这样,该中心部分40和该外部部分41之间的能量密度差可以被降低。因此,该第二种实施方式的效果类似于第一种实施方式。
因而,依据该第二种实施方式用于制造该树脂成型体的方法,提供改进了该焊接点4的非均一能量分布。进一步,该树脂成型体具备高粘结强度。
(第三种实施方式)
一种依据本发明第三种实施方式用于制造树脂成型体的方法,包括步骤:将一种能透射作为热源的激光束的透射树脂部件和一种能吸收该激光束的吸收树脂部件结合;并在该透射树脂部件和该吸收树脂部件之间的结合表面上,从该透射树脂部件的表面辐射该激光束,使得在该结合表面上形成一个焊接点,且该透射树脂部件和该吸收树脂部件被焊接。在该方法中,该激光束通过具有一种用于优先地在该焊接点外部部分上辐射激光束的激光束调节工具的激光装置被辐射。
在该激光装置中,该激光束本身可以优先地在该焊接点的外部部分上被辐射。因此,该透射树脂部件可以不具备该凸镜或该凹镜。因而,设计该透射树脂部件外形的自由度变得更高。进一步,该焊接点中心部分和该焊接点外部部分之间的能量密度差可以被降低。这样,在该焊接点的非均一能量分布可以得到改进。进一步,在该焊接点被冷却之后,该焊接点中心部分和该焊接点外部部分之间的粘结强度差可以被降低。此时,“优先的辐射”包括情形:其中该激光束在该焊接点的中心部分和外部部分二者之上被辐射,和其中该激光束只在该焊接点的外部部分上被辐射。
该激光束调节工具为,例如,具备用于辐射单独的多激光束的多激光束生成单元的激光装置。
优选地,该激光束调节工具为一种用于将单激光束分解为多个组份的激光束分解工具。在这种情形下,所需的是,只装备一个激光束生成单元。该激光束分解装置为一个棱镜、一个衍射装置等等。
其次,依据第三种实施方式的该树脂成型体和用于制造该树脂成型体的方法,如下详细描述。该树脂成型体没有放置在该透射树脂部件2上的凸镜20。进一步,该激光束13通过该激光束分解工具被分解,且随后,该激光束13被辐射。
图4A和4B是解释该扫描焊接方法的示意图,依据该第三种实施方式。图4A为一个透视图,和图4B为一个沿扫描方向的横截面图。该激光束13通过安置在该激光装置中(未显示)的该激光束分解工具(即一种棱镜),被分解为两组份130。两组份130在该焊接点4的外部部分41上被辐射。通过该两组份130在该外部部分41上产生的热量,传导到该中心部分40和该透射树脂部件2。
该第三种实施方式的效果类似于该第一种实施方式。进一步,在该第三种实施方式中使用的激光装置中,该激光束13只在该焊接点4的外部部分41上被辐射。因此,该凸镜20和该凹镜21可以不需要被放置在该透射树脂部件2上。因而,设计该透射树脂部件2外形的自由度变得更高。
因而,依据本发明第三种实施方式用于制造树脂成型体的该方法,提供改进了该焊接点4的非均一能量分布。进一步,该树脂成型体具备高粘结强度。
(第四种实施方式)
依据本发明第四种实施方式,一种树脂成型体和一种用于制造该树脂成型体的方法,如下详细描述。在该方法中,一种点焊接方法取代该扫描焊接方法被执行。
图5为一个解释一种点焊接方法的示意透视图,依据第四种实施方式。该凸镜20具有一个环状截锥形,其顶部被切割掉。在依据第四种实施方式的该焊接点4中,该外部部分41为环状的,且位于该中心部分40周围。该第四种实施方式的效果类似于第一种实施方式。
因而,依据本发明第四种实施方式用于制造树脂成型体的该方法,提供改进了该焊接点4的非均一能量分布。进一步,该树脂成型体具备高粘结强度。
(第五种实施方式)
依据本发明第五种实施方式,一种树脂成型体和一种用于制造该树脂成型体的方法,如下详细描述。在该方法中,一种点焊接方法取代该扫描焊接方法被执行。
图6为一个解释一种点焊接方法的示意透视图,依据第五种实施方式。该凹镜21具有一个凹面形状。在依据第五种实施方式的该焊接点4中,该外部部分41为环状的,且位于该中心部分40周围。该第五种实施方式的效果类似于第二种实施方式。
因而,依据本发明第五种实施方式用于制造树脂成型体的该方法,提供改进了该焊接点4的非均一能量分布。进一步,该树脂成型体具备高粘结强度。
(第六种实施方式)
依据本发明第六种实施方式,一种树脂成型体和一种用于制造该树脂成型体的方法,如下详细描述。在该方法中,一种点焊接方法取代该扫描焊接方法被执行。进一步,具有一种环状形状的该激光束被辐射。
图7为一个解释一种点焊接方法的示意透视图,依据第六种实施方式。具有环状形状的该激光束13,只在该焊接点4的外部部分41上被辐射。通过该激光束13在该外部部分41中生成的热量,传导到该中心部分40和该透射树脂部件2。该第六种实施方式的效果类似于第三种实施方式。
因而,依据本发明第六种实施方式用于制造树脂成型体的该方法,提供改进了该焊接点4的非均一能量分布。进一步,该树脂成型体具备高粘结强度。
这样的改变和改进应被理解为,是在通过所附权利要求所定义的本发明的范围内。

Claims (25)

1.一种用于制造树脂成型体的方法,该方法包括步骤:
层压一种能透射作为热源的激光束(13)的透射树脂部件(2)和一种能吸收该激光束(13)的吸收树脂部件(3);和
在该透射树脂部件(2)和该吸收树脂部件(3)之间的界面上,从该透射树脂部件(2)表面辐射该激光束(13),使得在该界面上形成一个焊接点(4),且将该透射树脂部件(2)和该吸收树脂部件(3)焊接,
其中,该激光束(13)在该界面上通过一个均化器(20、21)被均一地辐射,使得该焊接点(4)的中心部分(40)和该焊接点(4)的外部部分(41)通过该激光束(13)均一地被加热,
其中,该均化器(20)为一个放置在该透射树脂部件(2)表面上的凸镜(20),和
其中,该凸镜(20)增加了一部分将在该透射树脂部件(2)表面被辐射的激光束(13)的到达距离(L1),该部分到达该焊接点(4)的中心部分(40),使得该部分的到达距离(L1)大于该激光束(13)另外部分的另外到达距离(L2、L3),另外部分到达该焊接点(4)的外部部分(41)。
2.如权利要求1所述的方法,
其中,该激光束(13)在该辐射步骤中在该凸镜(20)中心处被辐射,使得该激光束(13)通过该透射树脂部件(2)在该界面上被辐射。
3.如权利要求2所述的方法,进一步包括步骤:
在一个扫描方向上扫描该激光束(13),使得该透射树脂部件(2)和该吸收树脂部件(3)线性地粘结,
其中,该凸镜(20)在平行于该激光束(13)的扫描方向上延伸,且该凸镜(20)具有在垂直于该扫描方向的方向上的宽度,和
其中,该激光束(13)具有一个束直径,其大于该凸镜(20)的宽度。
4.如权利要求2所述的方法,
其中,该透射树脂部件(2)和该吸收树脂部件(3)在辐射步骤中在一个点上焊接,
其中,该凸镜(20)为一个具备一个直径的环状截锥形,和
其中,该激光束(13)具有一个束直径,其大于该凸镜(20)的直径。
5.一种用于制造树脂成型体的方法,该方法包括步骤:
层压一种能透射作为热源的激光束(13)的透射树脂部件(2)和一种能吸收该激光束(13)的吸收树脂部件(3);和
在该透射树脂部件(2)和该吸收树脂部件(3)之间的界面上,从该透射树脂部件(2)表面辐射该激光束(13),使得在该界面上形成一个焊接点(4),且将该透射树脂部件(2)和该吸收树脂部件(3)焊接,
其中,该激光束(13)在该界面上通过一个均化器(20、21)被均一地辐射,使得该焊接点(4)的中心部分(40)和该焊接点(4)的外部部分(41)通过该激光束(13)均一地被加热,
其中,该均化器(21)为一个放置在该透射树脂部件(2)表面上的凹镜(21),和
其中,该凹镜(21)反射将在该透射树脂部件(2)表面上被辐射的激光束(13),使得至少一部分到达该焊接点(4)的中心部分(40)的激光束(13)部分,到达该焊接点(4)的外部部分(41)。
6.如权利要求5所述的方法,
其中,该激光束(13)在该辐射步骤中在该凹镜(21)中心处被辐射,使得该激光束(13)通过该透射树脂部件(2)在该界面上被辐射。
7.如权利要求6所述的方法,进一步包括步骤:
在一个扫描方向上扫描该激光束(13),使得该透射树脂部件(2)和该吸收树脂部件(3)线性地粘结,
其中,该凹镜(21)在平行于该激光束(13)的扫描方向上延伸,且该凹镜(21)具有在垂直于该扫描方向的方向上的宽度,和
其中,该激光束(13)具有一个束直径,其大于该凹镜(21)的宽度。
8.如权利要求6所述的方法,
其中,该透射树脂部件(2)和该吸收树脂部件(3)在辐射步骤中在一个点上焊接,
其中,该凹镜(21)为一个具备一个直径的环状截锥形,和
其中,该激光束(13)具有一个束直径,其大于该凹镜(21)的直径。
9.一种用于制造树脂成型体的方法,该方法包括步骤:
层压一种能透射作为热源的激光束(13)的透射树脂部件(2)和一种能吸收该激光束(13)的吸收树脂部件(3);和
在该透射树脂部件(2)和该吸收树脂部件(3)之间的界面上,从该透射树脂部件(2)表面辐射该激光束(13),使得在该界面上形成一个焊接点(4),且将该透射树脂部件(2)和该吸收树脂部件(3)焊接,
其中,该激光束(13)在该界面上通过一个均化器(20、21)被均一地辐射,使得该焊接点(4)的中心部分(40)和该焊接点(4)的外部部分(41)通过该激光束(13)均一地被加热,
其中,该均化器为一种放置在激光装置(1)中的激光束调节工具,所述激光装置辐射该激光束(13),和
其中,该激光束调节工具优先地在该焊接点(4)外部部分(41)上辐射该激光束(13)。
10.如权利要求9所述的方法,
其中,该激光束调节工具是一个激光束分解工具,用于将一个单激光束(13)分解为多个部分(130)。
11.如权利要求10所述的方法,
其中,该激光束(13)的多个部分(130)具有一个中心,其与该焊接点(4)的中心部分(40)对准,和
其中,该激光束(13)通过该透射树脂部件(2)在该界面上被辐射。
12.如权利要求11所述的方法,进一步包括步骤:
在一个扫描方向上扫描该激光束(13),使得该透射树脂部件(2)和该吸收树脂部件(3)线性地粘结,
其中,该焊接点(4)在平行于该激光束(13)的扫描方向上延伸,且该焊接点(4)具有在垂直于该扫描方向的方向上的宽度,和
其中,该激光束(13)具有一个束距离,其几乎等于该焊接点(4)的宽度。
13.如权利要求11所述的方法,
其中,该透射树脂部件(2)和该吸收树脂部件(3)在辐射步骤中在一个点上焊接,
其中,该焊接点(4)具备一个直径,和
其中,该激光束(13)具有一个束距离,其几乎等于该焊接点(4)的直径。
14.一种树脂成型体,包括:
一种能透射作为热源的激光束(13)的透射树脂部件(2);和
一种能吸收该激光束(13)的吸收树脂部件(3),
其中,该透射树脂部件(2)包括一个放置在该透射树脂部件(2)表面上的且对应于该透射树脂部件(2)和该吸收树脂部件(3)之间的粘结部分(4)的凸镜(20),
其中,在通过该激光束(13)粘结该透射树脂部件(2)和该吸收树脂部件(3)的情形下,该凸镜(20)能够均化激光束(13)。
15.如权利要求14所述的树脂成型体,
其中,该凸镜(20)能够增加一部分将在该透射树脂部件(2)表面上被辐射的激光束(13)的到达距离(L1),该部分到达该粘结部分(4)的中心部分(40),使得该部分的到达距离(L1)变为大于该激光束(13)另一部分的另一到达距离(L2、L3),另一部分到达该粘结部分(4)的外部部分(41)。
16.如权利要求15所述的树脂成型体,
其中,在通过该激光束(13)焊接该透射树脂部件(2)和该吸收树脂部件(3)的情形下,该激光束(13)在该凸镜(20)中心处被辐射,使得该激光束(13)通过该透射树脂部件(2),在该透射树脂部件(2)和该吸收树脂部件(3)之间的界面上被辐射。
17.如权利要求14-16中任一所述的树脂成型体,
其中,该粘结部分(4)在一个粘结方向上延伸,且具有在垂直于该粘结方向的方向上的宽度,和
其中,该凸镜(20)在平行于该粘结方向上延伸,且该凸镜(20)具有在垂直于该粘结方向的方向上的宽度,其小于该粘结部分(4)的宽度。
18.如权利要求17所述的树脂成型体,
其中,在通过该激光束(13)焊接该透射树脂部件(2)和该吸收树脂部件(3)的情形下,该激光束(13)具有一个束直径,其大于该凸镜(20)的宽度。
19.如权利要求14-16中任一所述的树脂成型体,
其中,该透射树脂部件(2)和该吸收树脂部件(3)之间的粘结部分(4),为一个具有直径的点,
其中,该凸镜(20)为一个具备一个直径的环状截锥形,和
其中,该粘结部分(4)的直径大于该凸镜(20)的直径。
20.一种树脂成型体,包括:
一种能透射作为热源的激光束(13)的透射树脂部件(2);和
一种能吸收该激光束(13)的吸收树脂部件(3),
其中,该透射树脂部件(2)包括一个放置在该透射树脂部件(2)表面上的且对应于该透射树脂部件(2)和该吸收树脂部件(3)之间的粘结部分(4)的凹镜(21),
其中,在通过该激光束(13)粘结该透射树脂部件(2)和该吸收树脂部件(3)的情形下,该凹镜(21)能够均化激光束(13).
21.如权利要求20所述的树脂成型体,
其中,该凹镜(21)能够降低一部分将在该透射树脂部件(2)表面上被辐射的激光束(13)的到达距离(L1),该部分到达该粘结部分(4)的中心部分(40),使得该部分的到达距离(L1)变为小于该激光束(13)另一部分的另一到达距离(L2、L3),另一部分到达该粘结部分(4)的外部部分(41)。
22.如权利要求21所述的树脂成型体,
其中,在通过该激光束(13)焊接该透射树脂部件(2)和该吸收树脂部件(3)的情形下,该激光束(13)在该凹镜(21)中心处被辐射,使得该激光束(13)通过该透射树脂部件(2),在该透射树脂部件(2)和该吸收树脂部件(3)之间的界面上被辐射.
23.如权利要求20-22中任一所述的树脂成型体,
其中,该粘结部分(4)在一个粘结方向上延伸,且具有在垂直于该粘结方向的方向上的宽度,和
其中,该凹镜(21)在平行于该粘结方向上延伸,且该凹镜(21)具有在垂直于该粘结方向的方向上的宽度,其小于该粘结部分(4)的宽度。
24.如权利要求23所述的树脂成型体,
其中,在通过该激光束(13)焊接该透射树脂部件(2)和该吸收树脂部件(3)的情形下,该激光束(13)具有一个束直径,其大于该凹镜(20)的宽度。
25.如权利要求20-22中任一所述的树脂成型体,
其中,该透射树脂部件(2)和该吸收树脂部件(3)之间的粘结部分(4),为一个具有直径的点,
其中,该凹镜(21)为一个具备一个直径的环状截锥形,和
其中,该粘结部分(4)的直径大于该凹镜(21)的直径。
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