JPH06315984A - Ultrasonic caulking method - Google Patents
Ultrasonic caulking methodInfo
- Publication number
- JPH06315984A JPH06315984A JP5105240A JP10524093A JPH06315984A JP H06315984 A JPH06315984 A JP H06315984A JP 5105240 A JP5105240 A JP 5105240A JP 10524093 A JP10524093 A JP 10524093A JP H06315984 A JPH06315984 A JP H06315984A
- Authority
- JP
- Japan
- Prior art keywords
- caulking
- boss
- volume
- horn
- crushed
- 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
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
- 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
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
-
- 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
- B29C66/47—Joining single elements to sheets, plates or other substantially flat surfaces
- B29C66/472—Joining single elements to sheets, plates or other substantially flat surfaces said single elements being substantially flat
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、熱可塑性樹脂成形品の
かしめ用ボスを、かしめホーンにより軟化圧潰して、板
状部材等の被固着物をかしめ固定する超音波かしめ方法
に関するものであり、特に、かしめ強度が高く、かつ、
均一なかしめ強度を有し、更に、見栄え品質の良好なか
しめ部を得ることができる超音波かしめ方法に関するも
のである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ultrasonic caulking method for caulking and fixing an object to be adhered such as a plate member by softening and crushing a caulking boss of a thermoplastic resin molded product with a caulking horn. , In particular, high crimping strength, and
The present invention relates to an ultrasonic caulking method capable of obtaining a caulking portion having a uniform caulking strength and a good appearance quality.
【０００２】[0002]
【従来の技術】超音波かしめ方法は、被固着物にかしめ
孔を穿設し、このかしめ孔に熱可塑性樹脂からなる成形
品のかしめ用ボスを嵌入し、そのボスの先端を超音波か
しめホーンで圧接し、軟化し、圧潰して、かしめる方法
である。この方法は、比較的、設備費が安価で、また容
易に固着することができるので、合成樹脂板、金属板な
どの板状体、また薄板、フィルムなどの比較的柔軟らか
いもの、などの固着に、近年広く行われている。2. Description of the Related Art An ultrasonic caulking method is one in which a caulking hole is formed in an object to be adhered, a caulking boss of a molded product made of a thermoplastic resin is fitted into the caulking hole, and the tip of the boss is subjected to an ultrasonic caulking horn. It is a method of press-contacting, softening, crushing, and crimping. This method is relatively inexpensive in terms of equipment costs and can be easily fixed, so it is possible to fix plate-like materials such as synthetic resin plates and metal plates, and relatively soft materials such as thin plates and films. In recent years, it has been widely practiced.
【０００３】そして、自動車のカウルルーバの開口部に
は、従来からＳＵＳネットが加熱溶着によって取り付け
られてきたが、最近では、自動車の軽量化、コストの低
減等が問題とされ、ＳＵＳネットを樹脂ネットに変更す
ることが検討され、その取り付け方法として、従来の加
熱溶着による方法では樹脂ネットが溶けてしまい不可能
であるため、上記の超音波かしめ方法を採用すること
が、合わせて検討されている。A SUS net has conventionally been attached to the opening of a cowl louver of an automobile by heat welding, but recently, there has been a problem with weight reduction and cost reduction of the automobile. It is considered that the resin net is melted by the conventional method of heating and welding as the mounting method, and therefore the adoption of the ultrasonic caulking method is also considered. .
【０００４】[0004]
【発明が解決しようとする課題】しかし、上記のような
超音波かしめ方法を実試してみると、かしめホーンが超
音波振動するためもあって、一定形状の圧潰部を得るの
が困難で、かしめ強度、見栄え品質の点で問題があっ
た。また、圧潰部の形状にばらつきがあることから、固
着の不良品が発生する虞れもあった。However, when the ultrasonic caulking method as described above is actually tried, it is difficult to obtain a crushed portion having a certain shape because the caulking horn vibrates ultrasonically. There was a problem in crimp strength and appearance quality. Further, since the shape of the crushed portion varies, there is a possibility that a defective fixing product may occur.
【０００５】本発明者は、上記の問題点に鑑み試行錯誤
を重ね、その結果、かしめホーンの圧接端面の形状を適
正化し、またその形状とかしめボスの圧潰部とを適正に
関係づければ、上記の問題点は有利に解決されることを
見出だした。The present inventor has conducted trial and error in view of the above problems, and as a result, if the shape of the crimping end surface of the caulking horn is optimized and the shape and the crushed portion of the caulking boss are properly related, , And found that the above problems can be advantageously solved.
【０００６】よって、本発明は、かしめ強度が向上で
き、かつ、一定のかしめ強度を得、また、見栄え品質が
良好なかしめ部を得ることができる超音波かしめ方法を
提供することを課題とするものである。Therefore, it is an object of the present invention to provide an ultrasonic caulking method capable of improving the caulking strength, obtaining a constant caulking strength, and obtaining a caulking portion having a good appearance quality. It is a thing.
【０００７】[0007]
【課題を解決するための手段】本発明にかかる超音波か
しめ方法は、熱可塑性樹脂からなる成形品に一体に形成
されたかしめ用ボスを、被固着物に形成されたかしめ孔
に嵌入し、かしめホーンを、前記かしめ用ボスの先端に
圧接して、軟化、圧潰することからなる超音波かしめ方
法において、前記かしめホーンの圧接端面に、矩形の断
面形状を有する収容部を形成するとともに、前記収容部
の容積と、前記かしめ用ボスの圧潰により形成される圧
潰部の体積とが実質的に等しくなるようにしたものであ
る。An ultrasonic caulking method according to the present invention comprises a caulking boss integrally formed on a molded article made of a thermoplastic resin, fitted into a caulking hole formed in an adherend, A crimping horn is pressed into contact with the tip of the crimping boss, softening, in an ultrasonic crimping method consisting of crushing, in the crimping end surface of the crimping horn, while forming a containing portion having a rectangular cross-sectional shape, The volume of the accommodating portion and the volume of the crushed portion formed by crushing the caulking boss are made substantially equal to each other.
【０００８】[0008]
【作用】本発明においては、かしめホーンの圧接端面
に、矩形の断面形状を有する収容部を形成するととも
に、その収容部の容積と、かしめ用ボスの圧潰により形
成される圧潰部の体積とが実質的に等しくなるようにし
たため、その圧潰部の形状は、収容部の空間形状と同じ
の、見栄えが良く、かしめ強度の高い、かしめ部として
最適なものとなる。また、その圧潰部の形状は、個々の
かしめ部において常に一定であるから、かしめ強度のば
らつきが少なくなる。In the present invention, the accommodating portion having a rectangular cross-sectional shape is formed on the crimping end surface of the crimping horn, and the volume of the accommodating portion and the volume of the crushing portion formed by crushing the crimping boss are equal to each other. Since the crushed portions have substantially the same shape, the crushed portions have the same shape as the space of the accommodating portion, have a good appearance, and have high crimping strength, and are optimal as crimping portions. Further, since the shape of the crushed portion is always constant in each crimped portion, there is less variation in crimp strength.
【０００９】[0009]
【実施例】以下、本発明の超音波かしめ方法を、自動車
のカウルルーバの開口部（空気取入口）に樹脂ネットを
固着する場合に適用した実施例について説明する。EXAMPLE An example in which the ultrasonic caulking method of the present invention is applied to a case where a resin net is fixed to an opening (air intake) of a cowl louver of an automobile will be described below.
【００１０】この実施例のかしめ加工部の要部を図１乃
至図３に示す。The essential parts of the caulking portion of this embodiment are shown in FIGS. 1 to 3.
【００１１】図１は超音波振動を伝達するかしめホーン
１の先端部を示すもので、（ａ）はその側面図、（ｂ）
は圧接端面の平面図である。また、図２はカウルルーバ
の樹脂ネット固定部分に一体に形成されたかしめ用ボス
２を示すもので、（ａ）はその上面図、（ｂ）はその側
面図である。そして、図３はかしめ加工後のかしめ形状
を示すもので、（ａ）はその正面図、（ｂ）は（ａ）の
Ｘ−Ｘ切断線による断面図である。FIG. 1 shows the tip of a caulking horn 1 for transmitting ultrasonic vibrations. (A) is a side view of the caulking horn (b).
[Fig. 4] is a plan view of a press contact end face. 2A and 2B show a caulking boss 2 integrally formed with a resin net fixing portion of a cowl louver. FIG. 2A is a top view thereof, and FIG. 2B is a side view thereof. 3A and 3B show a crimped shape after crimping, FIG. 3A is a front view thereof, and FIG. 3B is a sectional view taken along the line XX of FIG.
【００１２】なお、図中、３はかしめ用ボス２が圧潰さ
れて形成された圧潰部、４は樹脂ネット、５はそれに形
成された、かしめ用ボス２に嵌入するためのかしめ孔、
６はカウルルーバである。In the figure, 3 is a crushed portion formed by crushing the crimping boss 2, 4 is a resin net, and 5 is a crimping hole formed in the resin net for fitting into the crimping boss 2,
6 is a cowl louver.
【００１３】図１に示されるように、かしめホーン１の
圧接端面には、凹部である収容部１ａが形成されてい
る。そして、この収容部１ａは矩形状の断面を有し、直
方体の形状の凹部空間を構成している。As shown in FIG. 1, the caulking horn 1 has a press-fitting end surface formed with a housing portion 1a which is a recess. The accommodating portion 1a has a rectangular cross section and forms a rectangular parallelepiped concave space.
【００１４】そして、この収容部１ａの容積は、かしめ
用ボス２が圧潰されて形成される圧潰部３の体積に、実
質的に同じくされている。すなわち、この収容部１ａの
容積は、かしめ用ボス２に樹脂ネット４を嵌入した場合
に、かしめ用ボス２と樹脂ネット４のかしめ孔５との間
隙を無視すれば、樹脂ネット４の上面からさらに突出す
るかしめ用ボス２の部分の体積に等しい。The volume of the accommodating portion 1a is substantially equal to the volume of the crushed portion 3 formed by crushing the caulking boss 2. That is, when the resin net 4 is fitted into the caulking boss 2, if the gap between the caulking boss 2 and the caulking hole 5 of the resin net 4 is neglected, the volume of the accommodating portion 1 a is from the upper surface of the resin net 4. It is equal to the volume of the portion of the caulking boss 2 that further projects.
【００１５】このようなかしめホーン１を用いて、樹脂
ネット４のかしめ孔５をかしめ用ボス２に嵌入した後、
そのボス２の先端にホーン１の収容部１ａの底面１ｂを
圧接することにより、超音波かしめが行われる。かしめ
ホーン１の超音波振動はボス部２に伝達され、ボス部２
は、この超音波振動によって先端から軟化するととも
に、押圧されることによって圧潰される。そして、この
ように圧潰され、かしめられて圧潰部３が形成される
が、この圧潰部３は、かしめ孔５よりも大きな断面を形
成するので、この圧潰部３によって樹脂ネット４がカウ
ルルーバ６の固定表面上に固着される。After the caulking hole 5 of the resin net 4 is fitted into the caulking boss 2 using the caulking horn 1 as described above,
The ultrasonic caulking is performed by pressing the bottom surface 1b of the housing portion 1a of the horn 1 against the tip of the boss 2. The ultrasonic vibration of the caulking horn 1 is transmitted to the boss portion 2 and the boss portion 2
Is softened from the tip by this ultrasonic vibration and is crushed by being pressed. The crushed portion 3 is thus crushed and crimped to form the crushed portion 3. Since the crushed portion 3 forms a larger cross section than the crimped hole 5, the crushed portion 3 causes the resin net 4 to move to the cowl louver 6. It is fixed on the fixed surface.
【００１６】そして、図３に示されるように、この圧潰
部３は、かしめホーン１の収容部１ａの空間容積と実質
的に同一の体積となるように設定されているため、その
収容部１ａが成形型として作用し、それと同じ形状に形
成される。このため、見栄えが良く、かしめ強度の高
い、固定部としての最適な形状の圧潰部３を得ることが
できる。また、この圧潰部３の形状は常に一定であるか
ら、個々のかしめ部分において、かしめ強度のばらつき
が少なくなる。As shown in FIG. 3, the crushing portion 3 is set to have substantially the same volume as the space volume of the accommodating portion 1a of the caulking horn 1, and therefore, the accommodating portion 1a thereof. Acts as a mold and is formed in the same shape. Therefore, it is possible to obtain the crushed portion 3 which has a good appearance and a high caulking strength and which has an optimum shape as a fixed portion. Moreover, since the shape of the crushed portion 3 is always constant, the variation in the caulking strength is small in each caulking portion.
【００１７】ここで、本実施例の超音波かしめ方法によ
るかしめ強度を、樹脂ネット４の剥離強度として測定
（剥離試験機を使用）し、比較例と比較した結果を表１
に示す。Here, the caulking strength by the ultrasonic caulking method of this embodiment was measured as the peeling strength of the resin net 4 (using a peeling tester), and the result of comparison with the comparative example is shown in Table 1.
Shown in.
【００１８】なお、この実施例におけるかしめホーン１
の収容部１ａとかしめ用ボス２の具体的寸法は、それぞ
れ下記の通りである。The caulking horn 1 in this embodiment is used.
Specific dimensions of the housing portion 1a and the caulking boss 2 are as follows.
【００１９】収容部；縦長さａ ５．０mm，横長さｂ
８．０mm，深さｃ １．０mm ボス ；縦長さｌ ２．０mm，横長さｍ ５．０mm，高
さｎ ５．０ｍｍ （樹脂ネット厚さ；１．０ｍｍ） また、比較例は、かしめホーンの圧接端面が平坦な従来
のものを用いて、同じ条件で行ったものである。Housing: vertical length a 5.0 mm, horizontal length b
8.0 mm, depth c 1.0 mm boss; vertical length l 2.0 mm, horizontal length m 5.0 mm, height n 5.0 mm (resin net thickness; 1.0 mm) Further, the comparative example is a caulking horn. The pressure contact end surface of (1) was flat and the same was used under the same conditions.
【００２０】[0020]
【表１】 [Table 1]
【００２１】上記の結果から、本実施例の超音波かしめ
方法によりかしめ加工を施すことにより形成された圧潰
部３は、樹脂ネット４を強固に固定するので、その剥離
強度も強く、しかも、剥離強度のばらつきも小さいこと
が分かる。From the above results, the crushed portion 3 formed by crimping by the ultrasonic crimping method of this embodiment firmly fixes the resin net 4, so that the peeling strength is also strong and the peeling is also easy. It can be seen that the variation in strength is also small.
【００２２】ところで、かしめホーン１の圧接端面の収
容部１ａの空間容積Ａと、ボス部２の先端に形成される
圧潰部３の体積Ｂとの間の大小関係により、その圧潰部
３の形成状態が大きく左右される。特に、かしめ強度及
び見栄え品質において、その影響が顕著に現われる。By the way, due to the size relationship between the space volume A of the accommodating portion 1a of the crimping end surface of the caulking horn 1 and the volume B of the crushing portion 3 formed at the tip of the boss portion 2, the crushing portion 3 is formed. The condition is greatly affected. In particular, the effect is remarkable in the caulking strength and the appearance quality.
【００２３】表２には、収容部１ａの空間容積Ａとボス
部２先端に形成される圧潰部３の体積Ｂを変化させて、
Ａ＞Ｂ，Ａ〓Ｂ，Ａ＜Ｂとなる３種類のかしめ加工を行
い、このときに形成される圧潰部３の剥離強度を剥離強
度試験機にて測定した結果を示す。In Table 2, the space volume A of the accommodating portion 1a and the volume B of the crushing portion 3 formed at the tip of the boss portion 2 are changed,
The results of measuring the peeling strength of the crushed portion 3 formed at this time by a peeling strength tester by performing three types of caulking processing of A> B, A〓B, and A <B are shown.
【００２４】[0024]
【表２】 [Table 2]
【００２５】上記の結果から分かるように、収容部１ａ
の容積Ａと圧潰部３の体積Ｂとが同一になったときに最
も強いかしめ強度が得られ、また、そのばらつきも小さ
い。この関係が崩れると、収容部１ａの容積Ａが圧潰部
３の体積Ｂより大きくても、逆に少なくても剥離強度は
低下し、特に、収容部１ａの容積Ａが圧潰部３の体積Ｂ
よりも大きいときに剥離強度の低下が著しい。As can be seen from the above results, the accommodating portion 1a
When the volume A and the volume B of the crushed portion 3 are the same, the strongest caulking strength is obtained, and the variation is small. When this relationship is broken, the peeling strength is reduced even if the volume A of the housing portion 1a is larger than the volume B of the crushing portion 3 and vice versa. In particular, the volume A of the housing portion 1a is the volume B of the crushing portion 3.
When it is larger than the above, the peel strength is remarkably reduced.
【００２６】なお、かしめ部の見栄えについては、収容
部１ａの容積Ａと圧潰部３の体積Ｂとが同一のときが、
最も見栄えがよく、それ以外のときは、圧潰部３が突出
し、はみ出すなどの形状として現われ、見栄えはよくな
かった。Regarding the appearance of the caulking portion, when the volume A of the accommodating portion 1a and the volume B of the crushing portion 3 are the same,
The appearance was the best, and at other times, the crushed portion 3 was projected and appeared as a shape protruding, and the appearance was not good.
【００２７】[0027]
【発明の効果】以上説明したように、本発明の超音波か
しめ方法は、かしめホーンの圧接端面に、矩形の断面形
状を有する収容部を形成するとともに、その収容部の容
積と、かしめ用ボスの圧潰により形成される圧潰部の体
積とが実質的に等しくなるようにしたことを特徴とする
ものである。このために、圧潰部の形状は、収容部の空
間形状と同じのものとなり、かしめ部として最適な形状
を得ることができるから、かしめ強度を向上することが
できる。また、その圧潰部の形状は、個々のかしめ部に
おいて常に一定のものとなるから、かしめ強度のばらつ
きが少なくなり、被固着物を均質に固着することができ
る。さらに、その圧潰部は、はみ出しなどのないもので
あるから、見栄え品質が向上する。As described above, according to the ultrasonic caulking method of the present invention, the accommodating portion having a rectangular cross-sectional shape is formed on the crimping end face of the caulking horn, and the volume of the accommodating portion and the caulking boss are used. It is characterized in that the volume of the crushed portion formed by crushing is substantially equalized. Therefore, the shape of the crushed portion is the same as the space shape of the accommodating portion, and the optimum shape for the caulking portion can be obtained, so that the caulking strength can be improved. Further, since the shape of the crushed portion is always constant in each caulking portion, the variation in the caulking strength is reduced and the adherend can be adhered uniformly. Further, since the crushed portion has no protrusion, the appearance quality is improved.
【図１】図１は、本発明の一実施例の超音波かしめ方法
における、かしめホーンの先端部を示すもので、（ａ）
はその側面図、（ｂ）はその圧接端面の平面図である。FIG. 1 shows a tip portion of a caulking horn in an ultrasonic caulking method according to an embodiment of the present invention, (a).
Is a side view thereof, and (b) is a plan view of the pressure contact end face.
【図２】図２は、本発明の一実施例の超音波かしめ方法
における、かしめ用ボスを示すもので、 （ａ）はその
平面図、（ｂ）はその側面図である。2A and 2B show a boss for caulking in an ultrasonic caulking method according to an embodiment of the present invention, FIG. 2A is a plan view thereof, and FIG. 2B is a side view thereof.
【図３】図３は、本発明の一実施例の超音波かしめ方法
により形成された、かしめ部を示すもので、（ａ）はそ
の正面図、（ｂ）は（ａ）のＸ−Ｘ切断線による断面図
である。3A and 3B show a caulking portion formed by an ultrasonic caulking method according to an embodiment of the present invention, in which FIG. 3A is a front view thereof, and FIG. 3B is a sectional view taken along line XX of FIG. It is sectional drawing by a cutting line.
１ かしめホーン １ａ 収容部 ２ かしめ用ボス ３ 圧潰部 ４ 被固着物（樹脂ネット） ５ かしめ孔 ６ 熱可塑性合成樹脂成形品（カウルルーバ） 1 Caulking horn 1a Housing portion 2 Caulking boss 3 Crushing portion 4 Fixed object (resin net) 5 Caulking hole 6 Thermoplastic synthetic resin molded product (cowl louver)
Claims (1)
成されたかしめ用ボスを、被固着物に形成されたかしめ
孔に嵌入し、かしめホーンを、前記かしめ用ボスの先端
に圧接して、軟化、圧潰することからなる超音波かしめ
方法において、 前記かしめホーンの圧接端面に、矩形の断面形状を有す
る収容部を形成するとともに、前記収容部の容積と、前
記かしめ用ボスの圧潰により形成される圧潰部の体積と
が実質的に等しくなるようにしたことを特徴とする超音
波かしめ方法。1. A caulking boss formed integrally with a molded product made of a thermoplastic resin is fitted into a caulking hole formed in an adherend, and a caulking horn is pressed against the tip of the caulking boss. In the ultrasonic caulking method comprising softening and crushing, a crimping end face of the crimping horn is formed with a housing portion having a rectangular cross-sectional shape, and the capacity of the housing portion and the caulking boss are crushed. The ultrasonic caulking method is characterized in that the volume of the crushed portion is substantially equalized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5105240A JPH06315984A (en) | 1993-05-06 | 1993-05-06 | Ultrasonic caulking method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5105240A JPH06315984A (en) | 1993-05-06 | 1993-05-06 | Ultrasonic caulking method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06315984A true JPH06315984A (en) | 1994-11-15 |
Family
ID=14402131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5105240A Pending JPH06315984A (en) | 1993-05-06 | 1993-05-06 | Ultrasonic caulking method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06315984A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008126601A (en) * | 2006-11-24 | 2008-06-05 | Nippon Avionics Co Ltd | Mending method of heat caulking part |
| JP2010234712A (en) * | 2009-03-31 | 2010-10-21 | Munekata Co Ltd | Re-caulking method |
-
1993
- 1993-05-06 JP JP5105240A patent/JPH06315984A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008126601A (en) * | 2006-11-24 | 2008-06-05 | Nippon Avionics Co Ltd | Mending method of heat caulking part |
| JP2010234712A (en) * | 2009-03-31 | 2010-10-21 | Munekata Co Ltd | Re-caulking method |
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