JPH0518131Y2 - - Google Patents

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Publication number
JPH0518131Y2
JPH0518131Y2 JP1988107274U JP10727488U JPH0518131Y2 JP H0518131 Y2 JPH0518131 Y2 JP H0518131Y2 JP 1988107274 U JP1988107274 U JP 1988107274U JP 10727488 U JP10727488 U JP 10727488U JP H0518131 Y2 JPH0518131 Y2 JP H0518131Y2
Authority
JP
Japan
Prior art keywords
chip
hollow body
boss
tip
thin
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 - Lifetime
Application number
JP1988107274U
Other languages
Japanese (ja)
Other versions
JPH0227317U (en
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 filed Critical
Priority to JP1988107274U priority Critical patent/JPH0518131Y2/ja
Publication of JPH0227317U publication Critical patent/JPH0227317U/ja
Application granted granted Critical
Publication of JPH0518131Y2 publication Critical patent/JPH0518131Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • B29C65/606—Riveting or staking the rivets being integral with one of the parts to be joined, i.e. staking
    • 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
    • B29C65/06—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using friction, e.g. spin welding
    • B29C65/0681—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using friction, e.g. spin welding created by a tool
    • 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
    • B29C65/606—Riveting or staking the rivets being integral with one of the parts to be joined, i.e. staking
    • B29C65/607—Riveting or staking the rivets being integral with one of the parts to be joined, i.e. staking the integral rivets being hollow
    • 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
    • B29C66/81—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
    • B29C66/81431—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 cavity, e.g. a groove
    • 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
    • B29C66/816—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 mounting of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8167—Quick change joining tools or surfaces
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/847—Drilling standard machine type
    • 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
    • B29C66/824—Actuating mechanisms
    • B29C66/8242—Pneumatic or hydraulic drives

Description

【考案の詳細な説明】 （産業上の利用分野） 本考案は摩擦溶着用チツプ構造の改良に関する
ものである。[Detailed Description of the Invention] (Industrial Field of Application) The present invention relates to an improvement of a chip structure for friction welding.

（従来技術とその問題点） プラスチツク製半製品の接合には接着剤による
もののほか高周波溶着、超音波振動溶着が汎用さ
れている。他方、円筒体のように回転体形状をな
す場合、ワーク同士の押圧回転による摩擦発熱を
利用して接合部を熔融させ、回転の急停止、冷却
より接合する方法が提案されている。さらに特殊
な例として、ワークは静止させたまま、接合部に
チツプを押圧して回転させることによりワークの
接合部を熔融させ、溶着またはカシメを行う方法
も提案されている（特開昭61−79622号）。(Prior art and its problems) In addition to adhesives, high-frequency welding and ultrasonic vibration welding are commonly used to join plastic semi-finished products. On the other hand, in the case of a rotating body shape such as a cylindrical body, a method has been proposed in which the joining part is melted using frictional heat generated by pressing and rotating the workpieces, and the joining is performed by suddenly stopping the rotation and cooling. As a more special example, a method has been proposed in which the joints of the workpieces are melted and welded or caulked by pressing a chip against the joints and rotating the workpieces while the workpieces remain stationary. No. 79622).

しかしながら、熱可塑性プラスチツク製部品に
設けたボス部を他部品の穴に嵌合し、ボス部に回
転するチツプを押圧して溶融し、かしめる場合、
発生する熱がチツプ側にほとんど逃げるため、必
要な熔融を得るための熱エネルギーが大きく、チ
ツプの回転数、押圧力を大きくする必要がある一
方、回転を停止しても迅速に冷却できないため、
適切な融着にするための制御が困難であるという
問題点がある。 However, when a boss part provided on a thermoplastic plastic part is fitted into a hole in another part, and a rotating chip is pressed against the boss part to melt and swage it,
Most of the generated heat escapes to the tip side, so it takes a lot of heat energy to achieve the required melting, and it is necessary to increase the number of rotations and pressing force of the tip.
There is a problem in that it is difficult to control for proper fusion bonding.

（考案の課題） 本考案は熱可塑性プラスチツク製部品に設けた
ボス部を回転するチツプを押圧して溶融し、かし
める場合の上記問題点を解決することができるチ
ツプ構造を提供することを課題とする。(Problems of the invention) The object of the invention is to provide a chip structure that can solve the above-mentioned problems when a rotating chip is pressed against a boss part provided on a thermoplastic plastic part to melt and swage it. shall be.

（課題解決のための手段） 本考案は上記課題を解決するためにはチツプ自
体の熱容量を小さくすることが肝要であることに
着目してなされたもので、 熱可塑性プラスチツク製部品に設けたボス部を
他部品の穴に嵌合し、ボス部に回転するチツプを
押圧して溶融し、かしめるためのチツプを、ｔ＝
0.05〜0.2Dの薄肉中空体（但し、ｔは中空体肉
厚、Ｄは中空体直径）としたことを要旨とする摩
擦溶着用チツプの構造を解決手段とする。(Means for solving the problem) The present invention was developed based on the fact that it is important to reduce the heat capacity of the chip itself in order to solve the above problem. Fit the part into the hole of another part and press the rotating chip against the boss part to melt and caulk the chip at t=
The solution is a structure of a friction welding chip that is a thin hollow body of 0.05 to 0.2D (where t is the thickness of the hollow body and D is the diameter of the hollow body).

本考案において、チツプを薄肉中空体としてチ
ツプ自体の熱容量を小さくするが、該中空体肉厚
ｔがその直径Ｄの0.05以下になると、チツプ中空
体が加圧力に耐えきれず、チツプによる摩擦加熱
の支障となる。他方、中空体の肉厚がその直径Ｄ
の0.2を越えると、熱逃散抑止効果が少なくなる
現象が見られる。したがつて、本考案における薄
肉中空体はｔ＝0.05〜0.2Dの条件（但し、ｔは中
空体肉厚、Ｄは中空体直径）下で製作されるのが
好ましい。また、本考案において溶着、かしめる
とは第６図および第７図に示すように単に突出ボ
ス部を嵌合穴H1周囲に盛り上げるだけでなく、
第８図に示すように、嵌合穴の周囲に溝を設けて
段付き穴H2とし、ボス部の溶着樹脂と被取付部
品の嵌合穴周囲の樹脂とを練り込んで溶着強度の
向上を図る場合をも含むものである。 In the present invention, the heat capacity of the chip itself is reduced by using the chip as a thin-walled hollow body, but when the thickness t of the hollow body becomes less than 0.05 of its diameter D, the hollow body of the chip cannot withstand the pressurizing force, resulting in frictional heating by the chip. It becomes a hindrance. On the other hand, the wall thickness of the hollow body is its diameter D
When the value exceeds 0.2, a phenomenon is observed in which the heat escape prevention effect decreases. Therefore, the thin-walled hollow body in the present invention is preferably manufactured under the condition of t=0.05 to 0.2D (where t is the thickness of the hollow body and D is the diameter of the hollow body). Furthermore, in the present invention, welding and caulking do not simply mean raising the protruding boss portion around the fitting hole H1 as shown in FIGS. 6 and 7;
As shown in Figure 8, a groove is provided around the fitting hole to form a stepped hole H2 , and the welding resin of the boss part and the resin around the fitting hole of the attached part are kneaded to improve welding strength. This also includes cases in which the

本考案によれば、チツプの熱容量を回転摩擦時
の加圧接触に支障を来すことなく、熱容量を適切
に設定できるため、チツプの温度上昇が早くかつ
均一に上昇する一方、回転停止時の冷却温度が早
くなる。 According to the present invention, the heat capacity of the chip can be appropriately set without interfering with pressurized contact during rotational friction, so that the temperature of the chip increases quickly and uniformly, while at the same time Cooling temperature becomes faster.

以下、本考案を添付図面に示す具体例に基づ
き、詳細に説明することにする。 Hereinafter, the present invention will be described in detail based on specific examples shown in the accompanying drawings.

（実施例） 第１図は本考案に係る構造のチツプが適用され
る摩擦溶着機の全体を示す立面図で、ベース台１
にはボス部Ｂが突出する熱硬化性プラスチツク製
ワークW1が固定され、その上に載置せるプラス
チツク製または非プラスチツク製被取付部品W2
の穴Ｈを介して上記ボス部Ｂを嵌合突出させてい
る。(Example) Fig. 1 is an elevational view showing the entire friction welding machine to which the chip having the structure according to the present invention is applied.
A thermosetting plastic workpiece W 1 with a protruding boss portion B is fixed to the workpiece W 1 , and a plastic or non-plastic mounted part W 2 is placed on top of the thermosetting plastic workpiece W 1 .
The boss portion B fits and projects through the hole H.

上記ベース台１からスタンド２が直立固定さ
れ、該スタンド２から水平に延びるコラム３には
昇降シリンダ４にてリニアウエイ５に案内されて
上下に昇降し、内蔵する電動モータにてチツプヒ
ータ７を回転させるリユーター６が取り付けられ
てなる。 A stand 2 is fixed upright from the base 1, and a column 3 extending horizontally from the stand 2 is moved up and down by a lifting cylinder 4 guided by a linear way 5, and a chip heater 7 is rotated by a built-in electric motor. A relay 6 is attached to make it possible.

このリユーター６に取り付けられて回転駆動さ
れるチツプヒータ７の形状は全体として第２図に
示す形状をなすが、ワークW1のボス部B1および
B2の先端形状によつて異なる。即ち、第６図に
示すように、ボス部B1が棒状を為す場合は、チ
ツプヒータ７の先端部は半球状R1をなし、第３
図に示すように、ドリル穿孔により薄肉中空体７
１に形成されるかまたは第４図に示すように、プ
レス成型により薄肉中空体７２に形成される。他
方、ボス部B2が第７図に示すように、チユーブ
ラー形状である場合は先端部は断面半円形の環状
溝R2を有し、通常ドリル穿孔により薄肉中空体
７３に形成される（第５図参照）。 The overall shape of the chip heater 7 attached to the reuter 6 and driven to rotate is shown in FIG. 2 .
Depends on the tip shape of B2 . That is, as shown in FIG. 6, when the boss B 1 is rod-shaped, the tip of the chip heater 7 is hemispherical R 1 , and the third
As shown in the figure, a thin-walled hollow body 7 is formed by drilling.
1 or, as shown in FIG. 4, formed into a thin hollow body 72 by press molding. On the other hand , if the boss portion B 2 has a tubular shape as shown in FIG. (See Figure 5).

上記薄肉中空体７１，７２，７３のいずれにお
いても肉厚ｔは中空体直径Ｄの0.05〜0.2の範囲
に形成されている。尚、空洞部と先端部との距離
Ｃは可能な限り、小さくされるのがよい。また、
チツプ材にもよるが、融着される樹脂に強化材
（ガラス繊維等）が入つている場合、めつき処理
が施されている場合は、チツプ表面には窒化処
理、カーバイド処理など硬化処理が施される。 In each of the thin hollow bodies 71, 72, and 73, the wall thickness t is formed in a range of 0.05 to 0.2 of the hollow body diameter D. Note that the distance C between the cavity and the tip is preferably made as small as possible. Also,
It depends on the chip material, but if the resin to be fused contains a reinforcing material (such as glass fiber) or has been plated, the surface of the chip may have undergone hardening treatment such as nitriding or carbide treatment. administered.

（比較例） ABS樹脂からなり、直径2.5、高さ6.0mmのボス
部B1を有するワークW1のボス部を、アクリル樹
脂からなり、直径2.7mmの穴を有する被取付部品
W2に嵌合させ、 直径７mmφ、先端部５mmφの外形を有するチツ
プに５キリのドリルで穿孔した肉厚１mmもの（No.
１）と非穿孔のもの（No.２）とを用い、上記第１
図に示す摩擦溶着機にて上記ボス部B1に回転す
るチツプ７を押圧して溶融し、かしめる作業を行
つた。両者の性能比較は次の通りである。(Comparative example) The boss part of workpiece W 1 is made of ABS resin and has a boss part B 1 with a diameter of 2.5 mm and a height of 6.0 mm.
A 1mm thick piece (No.
1) and the non-perforated one (No. 2),
Using the friction welding machine shown in the figure, a rotating chip 7 was pressed against the boss B1 to melt it and caulk it. The performance comparison between the two is as follows.

第１表 No.１ No.２ 回転速度（r.p.m） 6000 6000 溶着時間（min） 0.08〜0.10 0.24〜0.31 冷却時間（min） 0.08〜0.12 0.22〜0.24 溶着圧力（Kg） ３〜４ ３〜４ 冷却圧力（Kg） ８ ８ 以上の結果より、同一条件下の摩擦溶着におい
ては本考案に係る構造のチツプを使用するより空
洞のない従来のチツプを使用する方が溶着時間で
2.5〜４倍、冷却時間で２〜３倍時間がかかるこ
とがわかる。 Table 1 No.1 No.2 Rotational speed (rpm) 6000 6000 Welding time (min) 0.08~0.10 0.24~0.31 Cooling time (min) 0.08~0.12 0.22~0.24 Welding pressure (Kg) 3~4 3~4 Cooling Pressure (Kg) 8 8 From the above results, in friction welding under the same conditions, it is faster to use a conventional chip without a cavity than to use a chip with the structure of the present invention.
It can be seen that it takes 2.5 to 4 times longer, and the cooling time takes 2 to 3 times longer.

（考案の効果） 以上の説明で明らかなように、熱可塑性プラス
チツク製部品に設けたボス部を他部品の穴に嵌合
し、ボス部に回転するチツプを押圧して溶融し、
かしめるためのチツプを、ｔ＝0.05〜0.2Dの薄肉
中空体（但し、ｔは中空体肉厚、Ｄは中空体直
径）としたので、チツプの熱容量を回転摩擦時の
加圧接触に支障を来すことなく、熱容量を適切に
設定できるため、チツプの温度上昇が早く、溶着
時間を短縮することができる一方、回転停止時の
冷却速度が早くなるので、加工サイクルを短縮す
ることができる。また、冷却速度が早いことによ
り溶融樹脂がチツプにねばり付くこともなく、保
守が容易である。(Effects of the invention) As is clear from the above explanation, a boss part provided on a thermoplastic part is fitted into a hole in another part, a rotating chip is pressed against the boss part, and the tip is melted.
Since the chip for caulking is a thin-walled hollow body with t = 0.05 to 0.2D (where t is the thickness of the hollow body and D is the diameter of the hollow body), the heat capacity of the chip can be adjusted to prevent pressure contact during rotational friction. Since the heat capacity can be set appropriately without causing heat loss, the temperature of the chip increases quickly and welding time can be shortened, while the cooling rate when the rotation is stopped is faster, so the processing cycle can be shortened. . Furthermore, since the cooling rate is fast, the molten resin does not stick to the chip, making maintenance easy.

また、回転速度、回転接触時間、押圧力を小さ
くでき、摩擦溶着の制御が容易となるので、局部
過熱がなく、かしめ部を劣化させることもないの
で、品質が安定し、取付強度を向上させることが
できる。 In addition, the rotation speed, rotational contact time, and pressing force can be reduced, making it easier to control friction welding, so there is no local overheating and no deterioration of the caulked part, resulting in stable quality and improved installation strength. be able to.

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

第１図は本考案に係る構造のチツプが適用され
る摩擦溶着機の全体を示す立面図、第２図は第１
図の摩擦溶着機に取り付けられるチツプの縦断面
図、第３図はその先端部拡大図、第４図はプレス
成型される先端部の断面拡大図、第５図は他の実
施例の先端を示す断面拡大図、第６図は第３図お
よび第４図の先端形状を有するチツプで溶着を行
うワークの縦断面図、第７図は第５図の先端形状
を有するワークの縦断面図、第８図はボス部の練
り込み溶着を行うワークの縦断面図である。 ７……チツプヒータ、７１，７２，７３……薄
肉中空体チツプ。 Figure 1 is an elevational view showing the entire friction welding machine to which the chip having the structure according to the present invention is applied, and Figure 2 is the
Figure 3 is an enlarged view of the tip attached to the friction welding machine shown in the figure, Figure 4 is an enlarged cross-sectional view of the tip to be press-molded, and Figure 5 is the tip of another embodiment. 6 is a longitudinal sectional view of a workpiece to be welded with a tip having the tip shape shown in FIGS. 3 and 4; FIG. 7 is a longitudinal sectional view of a workpiece having the tip shape shown in FIG. 5; FIG. 8 is a longitudinal sectional view of a workpiece in which the boss part is kneaded and welded. 7... Chip heater, 71, 72, 73... Thin-walled hollow chip.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 熱可塑性プラスチツク製部品に設けたボス部を
他部品の穴に嵌合し、ボス部に回転するチツプを
押圧して溶融し、かしめるためのチツプを、ｔ＝
0.05〜0.2Dの薄肉中空体（但し、ｔは中空体肉
厚、Ｄは中空体直径）としたことを特徴とする摩
擦溶着用チツプの構造。 A boss part provided on a thermoplastic plastic part is fitted into a hole in another part, and a rotating chip is pressed against the boss part to melt and swage the chip.
A structure of a friction welding chip characterized in that it is a thin hollow body of 0.05 to 0.2D (where t is the thickness of the hollow body and D is the diameter of the hollow body).
JP1988107274U 1988-08-10 1988-08-10 Expired - Lifetime JPH0518131Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988107274U JPH0518131Y2 (en) 1988-08-10 1988-08-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988107274U JPH0518131Y2 (en) 1988-08-10 1988-08-10

Publications (2)

Publication Number Publication Date
JPH0227317U JPH0227317U (en) 1990-02-22
JPH0518131Y2 true JPH0518131Y2 (en) 1993-05-14

Family

ID=31341538

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988107274U Expired - Lifetime JPH0518131Y2 (en) 1988-08-10 1988-08-10

Country Status (1)

Country Link
JP (1) JPH0518131Y2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2555135Y2 (en) * 1990-11-30 1997-11-19 シチズン時計株式会社 Fixed structure of date plate holder
EP2586595B1 (en) * 2011-10-25 2015-05-20 Helmholtz-Zentrum Geesthacht Zentrum für Material- und Küstenforschung GmbH Process for connecting a plastic workpiece with another workpiece
JP5928108B2 (en) * 2012-04-06 2016-06-01 アイシン精機株式会社 Manufacturing method of caulking structure

Also Published As

Publication number Publication date
JPH0227317U (en) 1990-02-22

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