JPS60229737A - Joining method of different kinds of synthetic resin materials - Google Patents

Joining method of different kinds of synthetic resin materials

Info

Publication number
JPS60229737A
JPS60229737A JP59087133A JP8713384A JPS60229737A JP S60229737 A JPS60229737 A JP S60229737A JP 59087133 A JP59087133 A JP 59087133A JP 8713384 A JP8713384 A JP 8713384A JP S60229737 A JPS60229737 A JP S60229737A
Authority
JP
Japan
Prior art keywords
synthetic resin
resin materials
plate
melt
joining
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP59087133A
Other languages
Japanese (ja)
Inventor
Toshihisa Terasawa
寺沢　利久
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to JP59087133A priority Critical patent/JPS60229737A/en
Publication of JPS60229737A publication Critical patent/JPS60229737A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/21—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being formed by a single dot or dash or by several dots or dashes, i.e. spot joining or spot welding
    • 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
    • B29C65/1629—Laser beams characterised by the way of heating the interface
    • B29C65/1632—Laser beams characterised by the way of heating the interface direct heating the surfaces 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
    • 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
    • B29C65/1629—Laser beams characterised by the way of heating the interface
    • B29C65/1648—Laser beams characterised by the way of heating the interface radiating the edges of the parts to be joined
    • B29C65/1651—Laser beams characterised by the way of heating the interface radiating the edges of the parts to be joined radiating the edges of holes or perforations
    • 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
    • B29C65/1677—Laser beams making use of an absorber or impact modifier
    • 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
    • B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
    • B29C65/567—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits using a tamping or a swaging operation, i.e. at least partially deforming the edge or the rim of a first part to be joined to clamp a second part to be joined
    • B29C65/568—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits using a tamping or a swaging operation, i.e. at least partially deforming the edge or the rim of a first part to be joined to clamp a second part to be joined using a swaging operation, i.e. totally deforming the edge or the rim of a first part to be joined to clamp a second part 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
    • B29C65/747—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using other than mechanical means
    • B29C65/7473—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using other than mechanical means using radiation, e.g. laser, for simultaneously welding and severing
    • 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
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
    • B29C66/024—Thermal pre-treatments
    • B29C66/0246—Cutting or perforating, e.g. burning away by using a laser or using hot air
    • 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
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint 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
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • 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
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/303—Particular design of joint configurations the joint involving an anchoring effect
    • B29C66/3032—Particular design of joint configurations the joint involving an anchoring effect making use of protrusions or cavities belonging to at least one of the parts to be joined
    • B29C66/30325—Particular design of joint configurations the joint involving an anchoring effect making use of protrusions or cavities belonging to at least one of the parts to be joined making use of cavities belonging to at least one 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
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/341—Measures for intermixing the material of the joint interlayer
    • 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
    • B29C66/40—General 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
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • 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
    • B29C66/712—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 the composition of one of the parts to be joined being different from the composition of the other part
    • 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
    • B29C66/72—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 structure of the material of the parts to be joined
    • B29C66/721—Fibre-reinforced materials
    • B29C66/7212—Fibre-reinforced materials characterised by the composition of the fibres
    • 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
    • B29C66/73—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
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/826—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps without using a separate pressure application tool, e.g. the own weight of the parts to be joined
    • B29C66/8266—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps without using a separate pressure application tool, e.g. the own weight of the parts to be joined using fluid pressure directly acting on 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
    • B29C66/40—General 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
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/45—Joining of substantially the whole surface of the articles
    • 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
    • B29K—INDEXING 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
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/10—Polymers of propylene
    • B29K2023/12—PP, i.e. polypropylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING 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
    • B29K2309/00—Use of inorganic materials not provided for in groups B29K2303/00 - B29K2307/00, as reinforcement
    • B29K2309/08—Glass

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • Toxicology (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

PURPOSE:To strongly join different kinds of two synthetic resin materials by a method in which a laser-absorable synthetic resin material of different two lapped synthetic resin materials is melted by laser beam in such a way as to entangle both the two synthetic resin materials by the melt. CONSTITUTION:A polypropylene resin plate 2 with a through hole 2a is superposed on a glass fiber-reinforced styrene-acrylonitrile copolymer plate 1 containing carbon black and having a laser absorbability. Laser beam is irradiated onto the plate 2 from above to form a recession 1c in the oblique direction of the joint 1b between the plates 1 and 2. Both the plates 1 and 2 are melted by heating by means of the energy stored in the joint 1b to form an uneven melt 1a in the joint 1b, and the melt 1a is partly cast into the recession 1c formed in the plate 1. Compressed air is then blown from a pipe 7 to strongly join the plate 2 and the melt 1a of the plate 1 by mutual entanglement.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、異種の合成樹脂材料を重ね合わせ、その両者
をレーザ光によって接合させる方法に関するものである
。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a method of superimposing different types of synthetic resin materials and bonding them together using a laser beam.

〔従来技術〕[Prior art]

従来、合成樹脂材料と合成樹脂材料とを接合する際には
、熱を加えて溶着する物理的接合方法と接着剤を用いて
接着する化学的接合方法が広く利用されている。Conventionally, when joining synthetic resin materials, a physical joining method in which heat is applied to weld them, and a chemical joining method in which they are joined together using an adhesive have been widely used.

すなわち、前者の物理的接合方法は、接合しようとする
合成樹脂材料の接合面でメタルメツシュ等の発熱体を発
熱させて両者の合成樹脂材料の接合面を溶融させつつ加
圧・冷却し、両合成樹脂材料を接合する方法である。ま
た、後者の化学的接合方法は、接合しようとする合成樹
脂材料の接合面にホントメルト等の接着剤を介在させ、
一方の合成樹脂材料の表面から高周波または超音波を付
与させて接着剤を加熱・溶融させた後、両者の合成樹脂
材料を加圧しつつ冷却し、両合成樹脂材料を接合する方
法である。In other words, the former physical joining method uses a heating element such as a metal mesh to generate heat at the joining surfaces of the synthetic resin materials to be joined, melting the joining surfaces of both synthetic resin materials, and pressurizing and cooling them. This is a method of joining resin materials. In addition, the latter chemical bonding method involves interposing an adhesive such as Honmelt on the bonding surfaces of the synthetic resin materials to be bonded.
In this method, high frequency or ultrasonic waves are applied to the surface of one synthetic resin material to heat and melt the adhesive, and then both synthetic resin materials are cooled while being pressurized to join both synthetic resin materials.

しかし、前者の物理的接合方法においては、同種の合成
樹脂材料を接合する際には接合しようとする両者の合成
樹脂材料の溶融温度が同一であるとともに、相溶性を有
するので、両合成樹脂材料の接合には適しているが、異
種の合成樹脂材料を接合する際には両者の合成樹脂材料
の溶融温度が異なるとともに、相溶性が悪いことがら、
再合成樹脂材料の接合は困難である。また、後者の化学
的接合方法においては、同種の合成樹脂材料を接合する
際には前者の物理的接合方法と同様に適しているが、異
種の合成樹脂材料を接合する際には合成樹脂材料の材質
によって接着剤の接着力が低下し、再合成樹脂材料を強
固に接合することは困難である。However, in the former physical joining method, when joining synthetic resin materials of the same type, both synthetic resin materials have the same melting temperature and are compatible, so both synthetic resin materials are However, when joining different types of synthetic resin materials, the melting temperatures of the two synthetic resin materials are different and their compatibility is poor.
It is difficult to join resynthetic resin materials. In addition, the latter chemical bonding method is as suitable as the former physical bonding method when bonding synthetic resin materials of the same type, but it is suitable for bonding synthetic resin materials of different types. The adhesive strength of the adhesive decreases depending on the material, making it difficult to firmly bond resynthetic resin materials.

上述のようなことから、異種の合成樹脂材料を接合する
際には、機械的接合方法が多く利用されている。その代
表例を第２図に示すポリプロピレンとポリエチレンの接
合方法によって説明する。For the reasons described above, mechanical joining methods are often used when joining different types of synthetic resin materials. A typical example will be explained using a method of joining polypropylene and polyethylene shown in FIG.

第２図においては、５１はポリプロピレン樹脂からなる
板部材であって、この板部材５１の下部ニハポリエチレ
ン樹脂からなる板部材５２が配設されており、このポリ
エチレン樹脂の板部材５２とポリプロピレン樹脂の板部
材５１とは互いに対向する部位に貫通孔５３ａ、５３ｂ
が形成されている。そして、両板部材５１．５２の貫通
孔５３ａ、５３ｂには上方からパツキン５４をを介在し
て螺子５５が螺合され、両板部材５１．５２が接合され
ている。In FIG. 2, reference numeral 51 is a plate member made of polypropylene resin, and a plate member 52 made of polyethylene resin is disposed at the lower part of this plate member 51. Through-holes 53a and 53b are provided at portions opposite to the plate member 51.
is formed. Further, screws 55 are screwed into the through holes 53a and 53b of both plate members 51 and 52 from above with a gasket 54 interposed therebetween, thereby joining both plate members 51 and 52.

しかしながら、このような機械的接合方法においては、
画板部材５１５２に貫通孔５３ａ、５３ｂを形成し、螺
子５５を螺合しなければならず、前記の物理的接合方法
および化学的接合方法に比較して接合作業が煩雑となる
ことはもとより、両板部材５１．５２に貫通孔５３ａ、
５３ｂを形成する必要があることから、画板部材５１．
５２の強度が低下する不具合がある。However, in such mechanical joining methods,
The through holes 53a and 53b must be formed in the drawing board member 5152 and the screws 55 must be screwed together, which not only makes the joining work more complicated than the above-mentioned physical joining method and chemical joining method. Through hole 53a in plate member 51.52,
53b, the drawing board member 51.
There is a problem that the strength of 52 is reduced.

〔発明の目的〕[Purpose of the invention]

本発明は、上記の不具合を解消するためになされたもの
で、その目的は重ね合わされた合成樹脂材料のうち、上
部の合成樹脂材料に貫通孔を形成し、この貫通孔の上方
から両者の露出した接合面にレーザ光を照射することに
より、接合される合成樹脂材料の強度を低下させること
なく、容易に接合することができる異種合成樹脂材料の
接合方法を提供することにある。The present invention has been made to solve the above problems, and its purpose is to form a through hole in the upper synthetic resin material of the overlapping synthetic resin materials, and expose both from above the through hole. It is an object of the present invention to provide a method for joining dissimilar synthetic resin materials that can be easily joined without reducing the strength of the synthetic resin materials to be joined by irradiating the joined surfaces with laser light.

〔発明の構成〕[Structure of the invention]

上記の目的を達成するために、本発明に係る異種合成樹
脂材料の接合方法の構成は、異種の合成樹脂材料を重ね
合わせて両者を接合するにあたり、前記異種の合成樹脂
材料のうち、上部の合成樹脂材料に貫通孔を形成し、少
なくとも下部の合成樹脂材料はレーザ光に対して吸収性
とせしめ、この両者の合成樹脂材料を重ね合わせた後、
上部の合成樹脂材料に形成されている貫通孔の上方から
両者の合成樹脂材料の露出された接合面に向けてレーザ
光を照射するようにしたものである。In order to achieve the above object, the structure of the method for joining different types of synthetic resin materials according to the present invention is such that when overlapping different types of synthetic resin materials and joining them, the upper part of the different types of synthetic resin materials is A through hole is formed in the synthetic resin material, at least the lower synthetic resin material is made absorbent to laser light, and after these two synthetic resin materials are overlapped,
A laser beam is irradiated from above a through hole formed in the upper synthetic resin material toward the exposed bonding surface of both synthetic resin materials.

そして、下部に配置されるレーザ光に対して吸収性の合
成樹脂材料としては、カーボンブランク等の補助材料が
添加されたポリプロピレン樹脂、ガラス繊維で強化され
、かつカーボンブランクが添加されたスチレン−アクリ
ロニトリル共重合体等を挙げることができ、上部に配置
される合成樹脂材料としては、上述のレーザ光に対して
吸収性の合成樹脂の外に、ポリエチレン、塩化ビニール
、ポリプロピレン、スチレン−アクリロニトリル共重合
体等を挙げることができる。そして、これらの合成樹脂
材料は、重ね合わされた際に下部に配置される合成樹脂
材料がレーザ光に対して非透過性のものとなる組み合わ
せにおいて自由に選択して接合することができる。The synthetic resin materials placed at the bottom that absorb the laser beam include polypropylene resin to which auxiliary materials such as carbon blanks have been added, and styrene-acrylonitrile reinforced with glass fibers and to which carbon blanks have been added. Examples of the synthetic resin material disposed on the upper part include polyethylene, vinyl chloride, polypropylene, and styrene-acrylonitrile copolymer, in addition to the above-mentioned synthetic resin that absorbs laser light. etc. can be mentioned. These synthetic resin materials can be freely selected and bonded in a combination in which the synthetic resin material disposed at the bottom is non-transparent to laser light when they are overlapped.

また、異種合成樹脂材料の接合時に使用されるレーザと
しては、ガラス：ネオジウム３“レーザ、ＹＡＧ：ネオ
ジウムル−ザ、ルビーレーザ、ヘリウム−ネオンレーザ
、クリプトンレーザ、アルゴンレーザ、Ｎ２レーザ、Ｎ
２レーザ等を挙げることができ、このうち、特にＹＡＧ
：ネオジウム３９レーザが最も適している。In addition, lasers used when joining dissimilar synthetic resin materials include glass: neodymium 3" laser, YAG: neodymium laser, ruby laser, helium-neon laser, krypton laser, argon laser, N2 laser, N2 laser,
2 lasers, among which YAG
:Neodymium-39 laser is most suitable.

また、異種合成樹脂材料の接合時に用いられるレーザの
波長としては、接合する合成樹脂材料に適合した波長が
必要であって１．０６μｍ以下が最も優れており、その
波長が１．０６μｍ以上の場合には異種の合成樹脂材料
の接合面を互いに溶融させて接合することは不可能であ
る。また、レーザの出力においては、５Ｗないし３０Ｗ
が適しており、その出力が５Ｗ以下の場合には異種の合
成樹脂材料の接合面を互いに溶融させることができず、
３０Ｗ以上の場合には異種の合成樹脂材料が蒸発したり
、変質したりして接合が不可能である。In addition, the wavelength of the laser used when joining dissimilar synthetic resin materials needs to be compatible with the synthetic resin materials to be joined, and a wavelength of 1.06 μm or less is best; It is impossible to melt and join the joining surfaces of different types of synthetic resin materials to each other. In addition, the output of the laser is 5W to 30W.
is suitable, and if the output is less than 5W, the joint surfaces of different types of synthetic resin materials cannot be melted together,
If the power is 30 W or more, different types of synthetic resin materials will evaporate or change in quality, making it impossible to join them.

また、上部の合成樹脂材料に形成される貫通孔は、ドリ
ル等の機械的方法によって２１１Ｉｌないし１０ＩＩＩ
Ｉｎの範囲で形成することが望ましく、２ｍｍ以下では
重ね合わされた合成樹脂材料の露出した接合面にレーザ
光を照射することが困難であり、１０ｔａＩ１１以上で
は接合された合成樹脂材料の強度を逆に低下させるおそ
れがある。In addition, the through holes formed in the upper synthetic resin material are made by a mechanical method such as a drill.
It is desirable to form the In in the range of 2 mm or less, it is difficult to irradiate the exposed bonding surface of the overlaid synthetic resin materials with laser light, and if it is 10 ta I or more, the strength of the bonded synthetic resin materials will be adversely affected. There is a risk of deterioration.

〔実施例〕〔Example〕

以下、本発明の一実施例を図面に基づいて詳細に説明す
る。Hereinafter, one embodiment of the present invention will be described in detail based on the drawings.

第１図は本発明に係る異種合成樹脂材料の接合方法を説
明する概略断面図、第２図は本発明に係る異種合成樹脂
材料の接合方法における貫通孔周辺の一部断面斜視図を
示すものである。FIG. 1 is a schematic cross-sectional view illustrating the method for joining dissimilar synthetic resin materials according to the present invention, and FIG. 2 is a partially cross-sectional perspective view of the vicinity of a through hole in the method for joining dissimilar synthetic resin materials according to the present invention. It is.

第１図の（ａ）ないしくｄ）において、１はガラス繊維
が添加されて強化されたスチレン−アクリロニトリル共
重合体からなる板部材であって、この板部材１の原材料
色はカーボンブランクが添加されて黒色となっており、
１．０６μｍ以下のレーザ光に対しては吸収性の性質を
有している。In (a) to d) of FIG. 1, 1 is a plate member made of styrene-acrylonitrile copolymer reinforced by adding glass fiber, and the raw material color of this plate member 1 is the carbon blank added. It is colored black,
It has the property of absorbing laser light of 1.06 μm or less.

また、板部材１の上部にはポリプロピレン樹脂からなる
板部材２が配設されており、その下面と板部材１との接
触部が接合面３となっている。そして、この板部材２の
原材料色はカーボンブラックが添加されて黒色となって
おり、１．０６μｍ以下のレーザ光に対しては吸収性の
性質を有している。Further, a plate member 2 made of polypropylene resin is disposed on the upper part of the plate member 1, and the contact portion between the lower surface of the plate member 1 and the plate member 1 serves as a joint surface 3. The raw material color of this plate member 2 is black due to the addition of carbon black, and has the property of absorbing laser light of 1.06 μm or less.

また、この板部材２には直径が５１ａＩ１１の貫通孔２
ａが形成されている。In addition, this plate member 2 has a through hole 2 having a diameter of 51aI11.
a is formed.

そして、第１図の（ａ）のような異種合成樹脂材料から
なる板部材１．２を接合する際には、第１図の（ｂ）お
よび第２図に示すようにポリプロピレン樹脂からなる板
部材２の接合面３をスチレン−アクリロニトリル共重合
体からなる板部材１の上面に重ね合わせる０次に、第１
図の（Ｃ）に示すようにＹＡＧ　：ネオジウム３゛レー
ザの照射ノズル４を板部材２の貫通孔２ａの上方に傾斜
させて位置させるとともに、その照射ノズル４から波長
が１．０６，１７ｍ、出力が２０ＷのＹＡＧＬ／−ザ光
５を凸レンズ４ａに通過させ、画板部材１．２の露出さ
れた接合面ｉｂに沿って回転させつつ照射する。When joining the plate members 1.2 made of different synthetic resin materials as shown in FIG. 1(a), the plates made of polypropylene resin as shown in FIG. 1(b) and FIG. The joint surface 3 of the member 2 is superimposed on the upper surface of the plate member 1 made of styrene-acrylonitrile copolymer.
As shown in FIG. YAGL/-the light 5 having an output of 20 W is passed through a convex lens 4a, and is irradiated while being rotated along the exposed joint surface ib of the drawing board member 1.2.

その際、ＹＡＧレーザ光５は、両板部材１．２の接合面
１ｂにその広がりに応じてエネルギとして蓄積されると
ともに、斜め方向に向けて凹部ＩＣが形成される。そし
て、接合面１ｂに蓄積されたエネルギによって画板部材
１．２が加熱・溶融され、その接合面１ｂに凹凸状の溶
融物１ａが形成されるとともに、一部の溶融物１ａは板
部材１に形成された凹部ＩＣに流れ込み硬化される。At this time, the YAG laser beam 5 is accumulated as energy on the joint surface 1b of both plate members 1.2 according to its spread, and a recess IC is formed in an oblique direction. Then, the drawing board member 1.2 is heated and melted by the energy accumulated on the joint surface 1b, and an uneven melted material 1a is formed on the joint surface 1b, and some of the melted material 1a is transferred to the board member 1. It flows into the formed recess IC and is hardened.

そして、画板部材１．２の接合面１ｂに凹凸状の溶融物
１ａが十分に形成されるとともに、板部材２の溶融物１
ａが板部材１の凹部ＩＣに流れ込んだ後、照射ノズル４
からのＹＡＧレーザ光５の照射を停止するとともに、照
射ノズル４をポリプロピレン樹脂からなる板部材２０貫
通孔２ａの上方から後退させる。それと同時に、空気、
ガス、空気およびガスの混合気体等からなる圧縮気体の
供給源（図示せずンに接続されているバイブロを照射ノ
ズル４と同様に画板部材１．２の露出された接合面１ｂ
に沿って回転させつつ、バイブ７に設けられているバル
ブ７を開放させて圧縮気体を溶融物１ａの上方から一定
速度で吹き付ける。Then, the uneven melt 1a is sufficiently formed on the joint surface 1b of the drawing board member 1.2, and the melt 1 of the plate member 2 is
After a flows into the recess IC of the plate member 1, the irradiation nozzle 4
The irradiation of the YAG laser beam 5 is stopped, and the irradiation nozzle 4 is retreated from above the through hole 2a of the plate member 20 made of polypropylene resin. At the same time, air
A vibro connected to a compressed gas supply source (not shown) consisting of gas, air, a gas mixture, etc. is connected to the exposed joint surface 1b of the drawing board member 1.2 in the same way as the irradiation nozzle 4.
While rotating the melt 1a along the molten material 1a, the valve 7 provided on the vibrator 7 is opened to spray compressed gas from above the melt 1a at a constant speed.

その際、板部材２の溶融物１ａの一部が圧縮気体の吹き
付は圧力に比較して照射位置周辺に吹き飛ばされ、板部
材に１に形成された凹部１ｂの溶融物１ａと互いに絡み
合う。そして、板部材１．２の溶融物１ａが十分に絡み
合った後、バイブロからの圧縮気体の供給を停止すると
ともに、バイブロをポリプロピレン樹脂からなる板部材
２の上方から後退させる。At this time, a part of the melt 1a of the plate member 2 is blown around the irradiation position compared to the pressure of the compressed gas, and becomes intertwined with the melt 1a of the recess 1b formed in the plate member 1. After the melt 1a of the plate member 1.2 is sufficiently entangled, the supply of compressed gas from the vibro is stopped, and the vibro is retreated from above the plate member 2 made of polypropylene resin.

これにより、第１図の（ｄ）に示すように画板部材１．
２の接触面３の凹凸状の溶融物１ａが互いに絡みあった
状態で硬化し、また凹部１ｃに流れこんだ板部材２の溶
融物も硬化し、スチレン−アクリロニトリル共重合体か
らなる板部材１とポリプロピレン樹脂からなる板部材２
とが強固に接合される。そして、画板部材１．２の接合
強度は、板部材２に形成される貫通孔２ａの数を多くす
ることにより、さらに向上させることができる。As a result, as shown in FIG. 1(d), the drawing board member 1.
The uneven molten material 1a on the contact surface 3 of the plate member 2 hardens while being entangled with each other, and the molten material of the plate member 2 that has flowed into the recess 1c also hardens, thereby forming the plate member 1 made of styrene-acrylonitrile copolymer. and plate member 2 made of polypropylene resin.
are firmly joined. The bonding strength of the drawing board member 1.2 can be further improved by increasing the number of through holes 2a formed in the board member 2.

〔発明の効果〕〔Effect of the invention〕

以上説明したように、本発明に係る異種合成樹脂材料の
接合方法においては、重ね合わされた合成樹脂材料のう
ち、上部の合成樹脂材料に貫通孔を形成し、少なくとも
下部の合成樹脂材料はレーザ光に対して吸収性とせしめ
、貫通孔の上方から両者の露出した接合面にレーザ光を
照射するようにしたから、再合成樹脂材料の溶融物が互
いに絡みあった状態で硬化するとともに、上部の合成樹
脂材料の溶融物の一部が下部の合成樹脂材料に形成され
る凹部に流れ込んで硬化するので、接合される合成樹脂
材料の強度を低下させることなく、強固に接合させるこ
とができる効果がある。As explained above, in the method for joining dissimilar synthetic resin materials according to the present invention, a through hole is formed in the upper synthetic resin material of the superimposed synthetic resin materials, and at least the lower synthetic resin material is exposed to the laser beam. Since the exposed bonding surface of the two is irradiated with laser light from above the through hole, the melted resynthetic resin material hardens while being entangled with each other, and the upper part of the A portion of the molten synthetic resin material flows into the recess formed in the lower synthetic resin material and hardens, resulting in a strong bond without reducing the strength of the synthetic resin materials to be bonded. be.

また、本発明においては、重ね合わされた合成樹脂材料
の貫通孔の上方から露出された接合面にレーザ光を照射
することによって、再合成樹脂材料が接合されるので、
従来の機械的接合方法に比較して、異種合成樹脂材料の
接合作業を容易に行うことができる効果がある。Furthermore, in the present invention, the resynthetic resin materials are bonded by irradiating the bonding surfaces exposed from above the through holes of the superimposed synthetic resin materials with laser light.
Compared to conventional mechanical joining methods, this method has the effect of making it easier to join different types of synthetic resin materials.

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本発明に係る異種合成樹脂材料の接合方法を説
明する概略断面図である。 第２図は本発明に係る異種合成樹脂材料の接合方法にお
ける貫通孔周辺の一部断面斜視図である。 第３図は従来の異種合成樹脂材料の機械的接合方法を説
明する概略断面図である。 ｌ−・〜・−・ガラス繊維で強化されたスチレン−アク
リロニトリル共重合体からなる板部材 １　ａ−ｍ−−−・−溶融物 ｌｂ、−一・−・−接合部 １　ｃ−一一一−−凹部 ２・−−−−一一ポリプロピレン樹脂からなる板部材２
ａ−・・−貫通孔 ３・−・−接合面 ４−・−・−照射ノズル ４ａ−・−・凸レンズ ５−−−・−ＹＡＧレーザ光 ６−−バイブ ７−−〜−−一一バルブ １ （ａ）　（ｂ） 第２図 ５ 第３図FIG. 1 is a schematic cross-sectional view illustrating a method for joining dissimilar synthetic resin materials according to the present invention. FIG. 2 is a partial cross-sectional perspective view of the vicinity of a through hole in the method for joining dissimilar synthetic resin materials according to the present invention. FIG. 3 is a schematic cross-sectional view illustrating a conventional mechanical joining method of dissimilar synthetic resin materials. l-・～・−・Plate member 1 made of styrene-acrylonitrile copolymer reinforced with glass fiber a-m−−・−melt lb, −1・−・−joint part 1 c–111 ---Concave portion 2・----11 Plate member 2 made of polypropylene resin
a--Through hole 3--Joint surface 4--Irradiation nozzle 4a--Convex lens 5--YAG laser beam 6--Vibe 7---11 bulb 1 (a) (b) Figure 2 5 Figure 3

Claims (1)

【特許請求の範囲】[Claims] 異種の合成樹脂材料を重ね合わせて両者を接合するにあ
たり、前記異種の合成樹脂材料のうち、上部の合成樹脂
材料に貫通孔を形成し、少なくとも下部の合成樹脂材料
はレーザ光に対して吸収性とせしめ、この両者の合成樹
脂材料を重ね合わせた後、上部の合成樹脂材料に形成さ
れている貫通孔の上方から両者の合成樹脂材料の露出さ
れた接合面に向けてレーザ光を照射することを特徴とす
る異種合成樹脂材料の接合方法。When overlapping different types of synthetic resin materials and joining them, a through hole is formed in the upper synthetic resin material of the different types of synthetic resin materials, and at least the lower synthetic resin material is absorbent to laser light. After overlapping these two synthetic resin materials, a laser beam is irradiated from above the through hole formed in the upper synthetic resin material toward the exposed bonding surface of both synthetic resin materials. A method for joining dissimilar synthetic resin materials.
JP59087133A 1984-04-27 1984-04-27 Joining method of different kinds of synthetic resin materials Pending JPS60229737A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59087133A JPS60229737A (en) 1984-04-27 1984-04-27 Joining method of different kinds of synthetic resin materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59087133A JPS60229737A (en) 1984-04-27 1984-04-27 Joining method of different kinds of synthetic resin materials

Publications (1)

Publication Number Publication Date
JPS60229737A true JPS60229737A (en) 1985-11-15

Family

ID=13906461

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59087133A Pending JPS60229737A (en) 1984-04-27 1984-04-27 Joining method of different kinds of synthetic resin materials

Country Status (1)

Country Link
JP (1) JPS60229737A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62216729A (en) * 1986-03-17 1987-09-24 Fujitsu Ltd Method of joining plastic
US6816182B2 (en) 2000-03-14 2004-11-09 Masanori Kubota Radiation welding and imaging apparatus and method for using the same
JP2005199667A (en) * 2004-01-19 2005-07-28 Denso Corp Manufacturing method of laser welded-member

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62216729A (en) * 1986-03-17 1987-09-24 Fujitsu Ltd Method of joining plastic
JPH0414869B2 (en) * 1986-03-17 1992-03-16 Fujitsu Ltd
US6816182B2 (en) 2000-03-14 2004-11-09 Masanori Kubota Radiation welding and imaging apparatus and method for using the same
JP2005199667A (en) * 2004-01-19 2005-07-28 Denso Corp Manufacturing method of laser welded-member
JP4492784B2 (en) * 2004-01-19 2010-06-30 株式会社デンソー Laser welding member manufacturing method

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