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JPS628643B2 - - Google Patents
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JPS628643B2 - - Google Patents

Info

Publication number
JPS628643B2
JPS628643B2 JP56158298A JP15829881A JPS628643B2 JP S628643 B2 JPS628643 B2 JP S628643B2 JP 56158298 A JP56158298 A JP 56158298A JP 15829881 A JP15829881 A JP 15829881A JP S628643 B2 JPS628643 B2 JP S628643B2
Authority
JP
Japan
Prior art keywords
rivet
shaft
hole
shaft hole
tip
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.)
Expired
Application number
JP56158298A
Other languages
English (en)
Other versions
JPS5859033A (ja
Inventor
Tsuneo Suzuki
Hidemichi Kazama
Hiroshi Watanabe
Tadayuki Harada
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.)
Unipres Corp
Original Assignee
Yamakawa Industrial Co Ltd
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 Yamakawa Industrial Co Ltd filed Critical Yamakawa Industrial Co Ltd
Priority to JP56158298A priority Critical patent/JPS5859033A/ja
Publication of JPS5859033A publication Critical patent/JPS5859033A/ja
Publication of JPS628643B2 publication Critical patent/JPS628643B2/ja
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/04—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of riveting
    • 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
    • B29C65/562—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 extra joining elements, i.e. which are not integral with 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
    • 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
    • B29C65/60—Riveting or staking
    • B29C65/601—Riveting or staking using extra riveting elements, i.e. the rivets being non-integral with the parts to be joined
    • B29C65/602—Riveting or staking using extra riveting elements, i.e. the rivets being non-integral with the parts to be joined using hollow rivets
    • 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
    • B29C66/20—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
    • 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81411—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
    • B29C66/81421—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave
    • B29C66/81423—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave being concave
    • 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
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81427—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single ridge, e.g. for making a weakening line; comprising a single tooth
    • B29C66/81429—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single ridge, e.g. for making a weakening line; comprising a single tooth comprising a single tooth
    • 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
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Connection Of Plates (AREA)

Description

【発明の詳細な説明】 本発明は樹脂部品へ下穴を穿けながら、リベツ
トかしめ付けを行なうリベツトかしめ付け法に関
する。
樹脂部品におけるかしめ付け法の例として、例
えば第１図に示すようにかしめ付けようとする樹
脂部品１，２に予じめ下穴３を穿けておき、ワツ
シヤー４を充がいブラインドリベツト５を該下穴
３へ挿入しピン９′をリベツト内に強制圧入する
等して軸部先端を菊形にかしめる方法、又は同下
穴３へ第２図に示すようにセミチユーブラーリベ
ツト６を挿入しかしめ型８でかしめる方法、若し
くは第３図に示すようにワツシヤー４を充がい、
下穴３へ無垢のリベツト７を挿入しかしめ具９等
でかしめる方法等が用いられる。
上記各法は何れも樹脂部品１，２に予じめ下穴
３の穿孔加工が必要である。穿孔加工は樹脂部品
の成形時、又は成形後行なう方法があるが、前者
では成形型が高価となり、後者の場合は別工程と
なる上、抜き型が必要となる。又汎用樹脂は寸法
精度が出にくいため、リベツトかしめ付け個所が
多いと相互の穴位置にズルを生ずる。そのため下
穴を大きくすることが必要になるが、樹脂は金属
に比べて強度が弱いため、所定の引剥し強度を得
るためには下穴の径大化に伴ないリベツト頭部を
大きくし、更にワツシヤーを介在させて締結面積
を拡大しなければならない。その上ワツシヤー挿
入、穴合せ工数の増加に加え、量産に伴ないワツ
シヤーの消費が大量になるためコストアツプの要
因ともなる。
本発明は前記の通り、樹脂部品へリベツトで下
穴を穿けながら、かしめ付けする方法に関するも
ので、上記各種かしめ付け法の不具合を解消する
ものであると共に、下穴画成に伴なう抜きくずを
かしめ付けに有効に作用させるようにした樹脂部
品におけるリベツトかしめ付け法を提供するもの
である。
第４図乃至第８図は本発明に係る樹脂部品にお
けるリベツトかしめ付け法を、リベツト打込みか
らかしめ完了までの過程を順を追つて示す。
図において、１０，１１はかしめ付けすべき樹
脂部品の一部を示し、１２は本発明に適用される
リベツトを示す。
上記リベツト１２はその軸１２ａ端面で開口す
る有底軸孔１２ｂを具備する。該軸孔１２ｂは軸
１２ａの軸心に延在し、該軸孔１２ｂを形成した
軸筒部１２ｃにてかしめ部を、該軸筒部１２ｃか
ら頭部１２ｅの首下に到る無垢の軸部１２ｄで貫
通部を形成する。
図示のように、上記樹脂部品１０，１１を治具
１３上に支持させ、上記リベツト１２を該下穴を
有しない樹脂部品１０，１１へ打込み、該リベツ
ト打込みに伴ない発生した打きくず１０ａ，１１
ａを軸部端面の開口から軸孔１２ｂ内へ圧入す
る。
リベツト軸１２ａが樹脂部品１０，１１の打込
み進行に伴ない抜きくず１０ａ，１１ａは軸孔１
２ｂを満し、リベツト軸先端、即ち軸筒部１２ｃ
先端が樹脂部品１０，１１を貫通し治具１３の平
坦な面へ到達するに伴ない軸孔１２ｂを満たす抜
きくず１０ａ，１１ａは該治具１３にて扁平に圧
縮変形されながら、同時に該圧縮変形下で軸孔１
２ｂの孔壁、即ち軸筒部１２ｃの強制拡開を招来
し、かしめを終結する。第６図乃至第８図はこの
変形過程を示している。即ち軸孔１２ｂを完全に
満した抜きくず１０ａ，１１ａは少なくとも軸筒
部１２ｃの先端が治具１３に突き当つた位置で、
圧縮変形を来たし、この圧縮変形力が上記軸筒部
１２ｃの強制拡開に効果的に寄与する。又これが
初期拡開における座拙を有効に防止する。軸筒部
１２ｃが完全に拡開し、かしめ付け完了に伴ない
抜きくず１０ａ，１１ａは外孔へ排除されるに到
る。
上記現象をより効果的に招来するため、上記軸
孔１２ｂの容積をリベツト１２で打抜かれる抜き
くず１０ａ，１１ａの体積以下に設定する。この
関係は樹脂部品１０，１１の厚みh1と軸孔１２ｂ
の深さh2の関係h2≦h1に置き換えることができ
る。これにより、第６図に示すように軸筒部先端
が治具１３へ到達する直前で軸孔１２ｂを完全に
満たし、以後圧縮変形に転じさせることができ
る。この初期圧縮変形が第９図に示すように軸孔
１２ｂの内圧P1を高め（外圧P2＜内圧P1）治具１
３へ到達直前の軸筒部１２ｃ先端を外方へ微少変
位させることが認め得る。この微少変位が軸筒部
先端の正常な初期拡開へ有効に作用し、軸筒部の
座拙現象をより有効に防止するものと認められ
る。
本発明によればリベツト打込みにて樹脂部品１
０，１１へ下穴穿孔しつつ、かしめ付けが可能で
あると共に、下穴加工に伴なう抜きくず１０ａ，
１１ａをかしめ付けに有効に作用させることがで
きる。樹脂部品への下穴加工工程が省け、予かじ
め下穴を加工してリベツトかしめ付けを行なう方
法等に比べ樹脂部品１０，１１に対する締結力が
大巾に向上する。即ち、樹脂部品１０，１１の引
剥し強度を著しく高める。上記リベツト１２の作
用と抜きくずの作用が上記強度向上に寄与するこ
とは前述の通りである。
本発明によればワツシヤーを使用せずに必要且
つ充分な締結力を得ることができる。樹脂部品の
下穴加工後の穴合せ工程も省け、ワツシヤー使用
を不用とし量産上著しく有利である。
又本発明によればリベツトが打込まれる上部樹
脂部品の上部抜きくずと共に下部樹脂部品の下部
抜きくずを上記治具の平坦な面による圧縮に伴な
うリベツト軸孔の開口部孔壁（軸筒先端部）から
の強制拡開力として有効に作用させ、該両抜きく
ずによる拡開作用で軸筒先端部の座拙を防止して
拡開の端緒を形成し適正な拡開かしめ付けに至ら
しめることができる。従つて治具は平坦な面でも
容易に軸筒部先端の拡開を誘発できる。
【図面の簡単な説明】
第１，第２，第３図は従来の樹脂部品のリベツ
トかしめ付け法を説明する断面図、第４図乃至第
８図は本発明の実施例を示す同リベツトかしめ付
け法をリベツト打込からかしめ完了までの過程を
以つて段階的に示す断面図、第９図は第６図の部
分拡大断面図である。 １０，１１……樹脂部品、１０ａ，１１ａ……
抜きくず、１２……リベツト、１２ａ……軸、１
２ｂ……軸孔、１２ｃ……軸筒部、１２ｄ……軸
部、１３……治具。

Claims (1)

    【特許請求の範囲】
  1. １ 下穴を有しないかしめ付けすべき二つの樹脂
    部品へ軸孔を有するリベツトを打込み、該リベツ
    ト打込みに伴ない発生した抜きくずを該リベツト
    打込圧にてリベツトの軸端面の開口から軸孔内へ
    圧入し、リベツト軸先端が樹脂部品を貫通するの
    に伴ない上記樹脂部品を支持する平坦な治具にて
    軸孔内の抜きくずを扁平に圧縮変形させつつ、軸
    孔の孔壁を外方に強制拡開させてかしめ付けを行
    い、上記軸孔内における両樹脂部品の抜きくずの
    上記圧縮変形力を軸孔の開口部孔壁からの強制拡
    開力として作用させることを特徴とする樹脂部品
    におけるリベツトかしめ付け法。
JP56158298A 1981-10-05 1981-10-05 樹脂部品におけるリベツトかしめ付け法 Granted JPS5859033A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56158298A JPS5859033A (ja) 1981-10-05 1981-10-05 樹脂部品におけるリベツトかしめ付け法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56158298A JPS5859033A (ja) 1981-10-05 1981-10-05 樹脂部品におけるリベツトかしめ付け法

Publications (2)

Publication Number Publication Date
JPS5859033A JPS5859033A (ja) 1983-04-07
JPS628643B2 true JPS628643B2 (ja) 1987-02-24

Family

ID=15668550

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56158298A Granted JPS5859033A (ja) 1981-10-05 1981-10-05 樹脂部品におけるリベツトかしめ付け法

Country Status (1)

Country Link
JP (1) JPS5859033A (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4761871A (en) * 1986-11-21 1988-08-09 Phillips Petroleum Company Method of joining two thermoplastic articles
GB2401661B (en) 2003-05-16 2006-03-29 Textron Fastening Syst Ltd Blind fastener and method of installation thereof

Also Published As

Publication number Publication date
JPS5859033A (ja) 1983-04-07

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