JP2000229360A - Member structure of vibration welding - Google Patents
Member structure of vibration weldingInfo
- Publication number
- JP2000229360A JP2000229360A JP3171699A JP3171699A JP2000229360A JP 2000229360 A JP2000229360 A JP 2000229360A JP 3171699 A JP3171699 A JP 3171699A JP 3171699 A JP3171699 A JP 3171699A JP 2000229360 A JP2000229360 A JP 2000229360A
- Authority
- JP
- Japan
- Prior art keywords
- welding
- members
- vibration
- protrusion
- contact
- 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
- 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
- B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
- B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
- B29C66/1312—Single flange to flange joints, the parts to be joined being rigid
-
- 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
- B29C65/0672—Spin 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
- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
- B29C65/7802—Positioning the parts to be joined, e.g. aligning, indexing or centring
- B29C65/782—Positioning the parts to be joined, e.g. aligning, indexing or centring by setting the gap between the parts to be joined
- B29C65/7823—Positioning the parts to be joined, e.g. aligning, indexing or centring by setting the gap between the parts to be joined by using distance pieces, i.e. by using spacers positioned between the parts to be joined and forming a part of the joint
- B29C65/7829—Positioning the parts to be joined, e.g. aligning, indexing or centring by setting the gap between the parts to be joined by using distance pieces, i.e. by using spacers positioned between the parts to be joined and forming a part of the joint said distance pieces being integral with 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
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
- B29C66/124—Tongue and groove 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
- B29C66/24—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight
- B29C66/242—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours
- B29C66/2422—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being circular, oval or elliptical
- B29C66/24221—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being closed or non-straight said joint lines being closed, i.e. forming closed contours being circular, oval or elliptical being circular
-
- 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
- B29C66/302—Particular design of joint configurations the area to be joined comprising melt initiators
- B29C66/3022—Particular design of joint configurations the area to be joined comprising melt initiators said melt initiators being integral with at least one of the parts to be joined
- B29C66/30223—Particular design of joint configurations the area to be joined comprising melt initiators said melt initiators being integral with at least one of the parts to be joined said melt initiators being rib-like
-
- 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
- B29C66/32—Measures for keeping the burr form under control; Avoiding burr formation; Shaping the burr
- B29C66/322—Providing cavities in the joined article to collect the burr
-
- 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
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular 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
- B29C66/83—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
- B29C66/01—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
- B29C66/114—Single butt joints
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、主として樹脂製部
材の接合に用いられる振動溶着において、その接合強度
を高めるのに好適な部材構造に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a member structure suitable for increasing the joining strength in vibration welding mainly used for joining resin members.
【０００２】[0002]
【従来の技術】図３は従来の部材の振動溶着を説明する
図である。図３（ａ）に示す２つの部材１０１，１０２
は、片側に開放された容器状を成す樹脂製部材であっ
て、いずれもほぼ同一の形状および大きさを有すると共
に、開口部全周にわたって外向きのフランジ１０３，１
０４を有している。図中上側の一方の部材１０１は、フ
ランジ１０３により形成された開口端面に、溶着用突出
部１０５が開口部全周にわたって形成してある。2. Description of the Prior Art FIG. 3 is a view for explaining vibration welding of a conventional member. The two members 101 and 102 shown in FIG.
Is a container-shaped resin member opened to one side, each having substantially the same shape and size, and having outward flanges 103 and 1 all around the opening.
04. In one member 101 on the upper side in the figure, a welding protrusion 105 is formed on the opening end face formed by the flange 103 over the entire circumference of the opening.
【０００３】両部材１０１，１０２は、開口部同士を合
わせた状態にして振動溶着により接合され、中空体を形
成する。すなわち、図示しない振動溶着装置において、
図中下側の他方の部材１０２を固定すると共に、他方の
部材１０２のフランジ１０４に一方の部材１０１の溶着
用突出部１０５の先端面を接触させる。そして、一方の
部材１０１に対して、そのフランジ１０３の複数箇所を
図中の矢印Ａ〜Ｃで示す如く下方向へ加圧しながら、同
じく一方の部材１０１を高速で横方向に振動させる。こ
れにより、主に溶着用突出部１０５の先端部分が摩擦熱
により溶融し、その後の溶融部分の硬化とともに両部材
１０１，１０２は接合状態となる。[0003] The two members 101 and 102 are joined together by vibration welding with the openings being aligned with each other to form a hollow body. That is, in a vibration welding device (not shown),
The other member 102 on the lower side in the figure is fixed, and the distal end surface of the welding projection 105 of one member 101 is brought into contact with the flange 104 of the other member 102. Then, while pressing a plurality of locations of the flange 103 downward on the one member 101 as shown by arrows A to C in the figure, the one member 101 is also vibrated in the horizontal direction at high speed. As a result, the distal end portion of the welding protrusion 105 is mainly melted by frictional heat, and the two members 101 and 102 are joined together with the hardening of the melted portion thereafter.
【０００４】[0004]
【発明が解決しようとする課題】ところで、上記したよ
うな振動溶着において、接合する各部材１０１，１０２
には、成形された段階で多少の寸法誤差や歪みが生じて
いることがある。これらの成形誤差は、中空体の外観等
に影響を及ぼすほどのものではないが、振動溶着におい
て次のような不具合の原因となっていた。By the way, in the above-described vibration welding, the members 101 and 102 to be joined are joined together.
In some cases, some dimensional errors and distortion may occur at the stage of molding. These molding errors do not affect the appearance of the hollow body or the like, but cause the following problems in vibration welding.
【０００５】例えば図３（ａ）中に仮想線で示すよう
に、一方の部材１０１が全体的に撓んでいると、これを
加圧した際に、他方の部材１０２に対する接触圧力の分
布が不均一になる。つまり、図示の場合では、一方の部
材１０１の中間部分が下方向に湾曲した状態に撓んでい
るので、左右の矢印Ａ，Ｃで示す加圧箇所に比べて、中
央の矢印Ｂで示す加圧箇所の接触圧力が大きくなる。す
ると、中央の加圧箇所では、図３（ｂ）に示す溶着用突
出部１０５の先端において、溶融による材料の絡み合い
部分Ｍが潰されてはみ出し、これにより材料の絡み合い
部分Ｍの厚さが薄くなるので、充分な接合強度が得られ
なくなるという不具合が生じていた。そして、従来にあ
っては、このような不具合を解決することが課題となっ
ていた。For example, as shown by a virtual line in FIG. 3A, if one member 101 is totally bent, the distribution of the contact pressure on the other member 102 when the one member 101 is pressed is not good. Become uniform. In other words, in the case shown in the drawing, the middle portion of one member 101 is bent in a downwardly curved state. The contact pressure at the location increases. Then, at the center pressurized portion, the entangled portion M of the material due to the melting is crushed and extruded at the tip of the welding protrusion 105 shown in FIG. 3B, whereby the thickness of the entangled portion M of the material is reduced. Therefore, there has been a problem that a sufficient bonding strength cannot be obtained. Conventionally, solving such a problem has been a problem.
【０００６】[0006]
【発明の目的】本発明は、上記従来の課題に着目して成
されたもので、振動溶着において、接合する部材に多少
の成形誤差が生じている場合であっても、両部材の溶融
による材料の絡み合い部分を所定の厚さに確保して、充
分な接合強度を得ることができる振動溶着の部材構造を
提供することを目的としている。SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems. Even if a small forming error occurs in the members to be joined in vibration welding, the two members are fused. It is an object of the present invention to provide a member structure of vibration welding that can secure a entangled portion of a material to a predetermined thickness and obtain sufficient joining strength.
【０００７】[0007]
【課題を解決するための手段】本発明に係わる振動溶着
の部材構造は、請求項１として、２つの部材を加圧接触
させると共に、一方の部材を振動させて接触部分を溶融
させることにより、両部材を接合する振動溶着におい
て、一方の部材に、先端面を他方の部材への接触面とし
た溶着用突出部を設け、両部材に、溶着用突出部の近傍
に位置し且つ溶着用突出部の溶融に伴う両部材の接近に
より互いに当接する支持部を設けた構成とし、請求項２
として、２つの部材が、互いに相対向する開口部を備え
ると共に、相対向する開口端面に溶着用突出部や支持部
を備えている構成とし、請求項３として、一方の部材
に、その開口部全周にわたって溶着用突出部を設けると
共に、両部材に、その開口部全周にわたって溶着用突出
部よりも開口部外周側に支持部を設けた構成とし、請求
項４として、溶着用突出部を設けた一方の部材に対する
他方の部材に、溶着用突出部の両側に向けて突出する２
つの支持部を設けた構成としており、上記の構成をもっ
て課題を解決するための手段としている。According to a first aspect of the present invention, there is provided a vibration welding member structure in which two members are brought into pressure contact with each other and one of the members is vibrated to melt a contact portion. In vibration welding for joining both members, one of the members is provided with a welding protrusion having a front end surface as a contact surface with the other member, and both members are located near the welding protrusion and have a welding protrusion. 3. A structure in which a supporting portion is provided which comes into contact with each other when the two members approach each other due to melting of the portion.
The two members are provided with openings opposed to each other, and are provided with welding projections and support portions on the opposed end faces of the openings. The welding projection is provided over the entire circumference, and both members are provided with a support portion on the outer periphery of the opening over the entire circumference of the opening, and the welding projection is provided as claim 4. 2 which protrudes toward both sides of the welding protruding portion from the provided one member relative to the other member.
It has a configuration in which two supporting portions are provided, and is a means for solving the problem with the above configuration.
【０００８】[0008]
【発明の作用】本発明の請求項１に係わる振動溶着の部
材構造では、一方の部材に設けた溶着用突出部の先端面
を他方の部材に接触させた状態にし、例えば一方の部材
を他方の部材側に加圧しながら同じく一方の部材を振動
させることにより、主として溶着用突出部の先端部を溶
融させて両部材を接合する。このとき、両部材には、溶
着用突出部の近傍に位置し且つ溶着用突出部の溶融に伴
う両部材の接近により互いに当接する支持部が設けてあ
るので、いずれかの部材の成形誤差等によって両部材の
接触圧力の分布が不均一であるとしても、接合に至る間
に支持部同士が当接することにより、とくに接触圧力が
大きくなる箇所において溶着用突出部の接触圧力が下げ
られ、溶融による材料の絡み合い部分が必要以上に潰さ
れるような事態が防止され、材料の絡み合い部分が所定
の厚さとなる。In the vibration welding member structure according to the first aspect of the present invention, the distal end surface of the welding projection provided on one member is brought into contact with the other member, for example, one member is connected to the other member. Similarly, by vibrating one of the members while applying pressure to the member side, the distal end of the welding protruding portion is mainly melted and the two members are joined. At this time, since both members are provided with supporting portions which are located near the welding protruding portion and come into contact with each other due to the approach of the two members due to the melting of the welding protruding portion, a molding error or the like of either member is provided. Even if the distribution of the contact pressure between the two members is not uniform, the contacting of the supporting portions during the joining process reduces the contact pressure of the welding protrusions, particularly at locations where the contact pressure increases, and the melting Is prevented from being crushed more than necessary, and the entangled portion of the material has a predetermined thickness.
【０００９】本発明の請求項２に係わる振動溶着の部材
構造では、開口部を備えた２つの部材をその開口部同士
で接合するに際し、開口端面に溶着用突出部や支持部を
設けているので、請求項１と同様に溶融による材料の絡
み合い部分が潰されるような事態が防止される。In the vibration welding member structure according to the second aspect of the present invention, when two members having an opening are joined to each other at the openings, a welding protrusion or a support is provided on the end face of the opening. Therefore, the entangled portion of the material due to melting is prevented from being crushed as in the first aspect.
【００１０】本発明の請求項３に係わる振動溶着の部材
構造では、一方の部材に、その開口部全周にわたって溶
着用突出部を設け、両部材に、その開口部全周にわたっ
て溶着用突出部よりも開口部外周側に支持部を設けてい
るので、両部材を接合した後には、互いに当接した支持
部によって溶着用突出部が外部から隠蔽される。In the vibration welding member structure according to the third aspect of the present invention, one of the members is provided with a welding projection over the entire periphery of the opening, and both members are provided with the welding projection over the entire periphery of the opening. Since the support portion is provided on the outer peripheral side of the opening, the welding protrusion is concealed from the outside by the support portions abutting each other after the two members are joined.
【００１１】本発明の請求項４に係わる振動溶着の部材
構造では、溶着用突出部を設けた一方の部材に対する他
方の部材に、溶着用突出部の両側に向けて突出する２つ
の支持部が設けてあるので、溶融に伴って溶着用突出部
がその両側の支持部で支持され、溶着用突出部の両側方
向における接触圧力の分布が均一となる。In the vibration welding member structure according to a fourth aspect of the present invention, two supporting portions projecting toward both sides of the welding protrusion are provided on the other member with respect to one member provided with the welding protrusion. Since the welding protrusions are provided, the welding protrusions are supported by the support portions on both sides of the welding protrusions, and the distribution of contact pressure in both directions of the welding protrusions becomes uniform.
【００１２】[0012]
【発明の効果】本発明の請求項１に係わる振動溶着の部
材構造によれば、両部材に、一方の部材における溶着用
突出部の近傍に位置し且つ溶着用突出部の溶融に伴う両
部材の接近により互いに当接する支持部を設けたことか
ら、いずれかの部材に歪み等の成形誤差があるとして
も、振動開始から接合に至る間に両部材の接触圧力の分
布を均一化して、材料の絡み合い部分を所定の厚さに確
保することができ、これにより充分な接合強度を得るこ
とができる。さらに、振動開始から接合に至る間におい
て、支持部同士を比較的早期に当接させるようにすれ
ば、支持部同士の間にも溶融による材料の絡み合い部分
を得ることができ、これにより両部材の接合強度をより
一層高めることができる。According to the vibration welding member structure of the first aspect of the present invention, the two members are located near the welding protrusion of one of the members, and the two members are accompanied by the melting of the welding protrusion. Since the support portions that come into contact with each other due to the close proximity are provided, even if there is a molding error such as distortion in one of the members, the distribution of the contact pressure between the two members is uniformized from the start of vibration to the joining, and the material Can be secured to a predetermined thickness, whereby a sufficient bonding strength can be obtained. Furthermore, if the supporting portions are brought into contact with each other relatively early during the period from the start of vibration to the joining, a entangled portion of the material due to melting can be obtained between the supporting portions. Can further increase the bonding strength.
【００１３】本発明の請求項２に係わる振動溶着の部材
構造によれば、開口部を備えた２つの部材をその開口部
同士で接合する際に、請求項１と同様の効果を得ること
ができ、例えば、歪み等の成形誤差が生じやすい容器状
の部材同士を接合して中空体を形成するに際し、開口部
の全周にわたって材料の絡み合い部分を所定の厚さに確
保して、部材の接合強度が著しく高い中空体を得ること
ができる。According to the vibration welding member structure of the second aspect of the present invention, the same effect as that of the first aspect can be obtained when two members having openings are joined to each other at the openings. It is possible, for example, when joining container-shaped members that are likely to cause molding errors such as distortion to form a hollow body, ensuring that the entangled portion of the material has a predetermined thickness over the entire circumference of the opening, A hollow body having extremely high joining strength can be obtained.
【００１４】本発明の請求項３に係わる振動溶着の部材
構造によれば、請求項２と同様の効果を得ることができ
るうえに、溶着用突出部よりも開口部外周側に支持部を
設けたことから、支持部により溶着用突出部を外部から
隠蔽して、両部材から成る製品の外観体裁をより一層高
めることができる。According to the vibration welding member structure of the third aspect of the present invention, the same effect as in the second aspect can be obtained, and the support portion is provided on the outer peripheral side of the opening with respect to the welding protrusion. As a result, the welding protruding portion is concealed from the outside by the support portion, and the appearance of the product composed of both members can be further enhanced.
【００１５】本発明の請求項４に係わる振動溶着の部材
構造によれば、請求項３と同様の効果を得ることができ
るうえに、溶着用突出部の両側に支持部を設けたことか
ら、溶融に伴って溶着用突出部をその両側で支持して、
溶着用突出部の両側方向における接触圧力の分布を均一
にすることができ、これにより材料の絡み合い部分の厚
さがより一層均一なものとなり、接合強度のさらなる向
上に貢献することができる。According to the vibration welding member structure of the fourth aspect of the present invention, the same effects as those of the third aspect can be obtained, and the support portions are provided on both sides of the welding projection. Support the welding protrusion on both sides with melting,
The distribution of the contact pressure in both sides of the welding protrusion can be made uniform, whereby the thickness of the entangled portion of the material can be made even more uniform, which can contribute to further improvement of the joining strength.
【００１６】[0016]
【実施例】以下、図面に基づいて、本発明に係わる振動
溶着の部材構造の一実施例を説明する。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a vibration welding member according to an embodiment of the present invention;
【００１７】図１（ａ）に示す２つの部材１，２は、一
端側が開放された有底円筒形の容器状を成す樹脂製部材
であって、この実施例の場合では、いずれもほぼ同一の
形状および大きさを有している。両部材１，２は、開口
部全周にわたって外向きのフランジ３，４を有してお
り、後記する振動溶着により開口部同士が接合されて中
空体を形成する。The two members 1 and 2 shown in FIG. 1 (a) are resin members having a cylindrical shape with a bottom and an open end, and in this embodiment, both are almost the same. Has the shape and size of The two members 1 and 2 have outward flanges 3 and 4 over the entire circumference of the opening, and the openings are joined to each other by vibration welding described later to form a hollow body.
【００１８】図１の上側に示す一方の部材１は、フラン
ジ３により形成した開口端面に、その先端面を他方の部
材２への接触面とした溶着用突出部５を有している。溶
着用突出部５は、図１（ｂ）に示すように、開口端面の
開口部内外方向のほぼ中央に位置すると共に、開口部全
周にわたって形成してある。また、一方の部材１は、そ
の開口端面において、溶着用突出部５の両側の面を一方
側の支持部６，６としている。One member 1 shown on the upper side of FIG. 1 has a welding protrusion 5 on the opening end surface formed by the flange 3, the leading end surface of which is in contact with the other member 2. As shown in FIG. 1B, the welding protrusion 5 is located substantially at the center of the opening end surface in the inside and outside directions of the opening, and is formed over the entire periphery of the opening. In addition, one of the members 1 has, on its opening end face, both sides of the welding protruding portion 5 as supporting portions 6 and 6 on one side.
【００１９】他方の部材２は、フランジ４により形成し
た開口端面に、溶着用突出部５の先端面に相対向する溶
着面７と、一方側の各支持部６，６に先端面が相対向す
る突出状の他方側の支持部８，８を開口部全周にわたっ
て有している。他方側の支持部８，８は、図１（ｃ）に
示すように両部材１，２を接合した状態において、溶着
用突出部５の側面との間に適宜の隙間を形成し得る幅寸
法を有している。The other member 2 has a welding surface 7 facing the distal end surface of the welding projection 5 on the opening end surface formed by the flange 4 and a distal end surface facing each of the supporting portions 6 and 6 on one side. The supporting portions 8 on the other side are formed over the entire periphery of the opening. As shown in FIG. 1 (c), the supporting portions 8, 8 on the other side have a width dimension capable of forming an appropriate gap between the supporting members 8, 8 and the side surface of the welding protruding portion 5 in a state where both members 1, 2 are joined. have.
【００２０】一方側および他方側の両支持部６，８は、
上記の如く溶着用突出部５の近傍に位置し且つ溶着用突
出部５の溶融に伴う両部材１，２の接近により互いに当
接するものであって、図１（ｂ）中に仮想線で示すよう
に、一方の部材１の溶着用突出部５の先端面を他方の部
材２の溶着面７に接触させた状態において、双方の間に
隙間Ｓを形成する。換言すれば、この隙間Ｓが得られる
ように溶着用突出部５や他方側の支持部８の突出寸法を
設定する。The two supporting parts 6, 8 on one side and the other side are
It is located near the welding protrusion 5 as described above, and comes into contact with each other due to the approach of the two members 1 and 2 due to the melting of the welding protrusion 5, which is indicated by a virtual line in FIG. 1 (b). As described above, the gap S is formed between the welding protrusion 7 of the one member 1 and the welding surface 7 of the other member 2 in a state where the distal end surface thereof is in contact with the welding surface 7 of the other member 2. In other words, the protrusion dimensions of the welding protrusion 5 and the support 8 on the other side are set such that the gap S is obtained.
【００２１】上記の隙間Ｓは、振動溶着時における加圧
ストローク（溶着用突出部５の溶け代）や、溶融による
両部材１，２の材料の絡み合い部分の厚さと接合強度と
の関係などを考慮して設定される。ここで、材料の絡み
合い部分の厚さと接合強度との関係を図２に示す。図２
により、例えば１５ＭＰａを上回る充分な接合強度を得
るためには、材料の絡み合い部分の厚さを０．２ｍｍ程
度にする必要があることがわかる。そこで、支持部６，
８の隙間Ｓは、後記する実験の説明でも明らかとなるよ
うに、例えば材料の絡み合い部分の厚さよりもやや小さ
く設定する。The above-mentioned gap S is used to determine the pressure stroke (vibration allowance of the welding protruding portion 5) at the time of vibration welding, the relationship between the thickness of the entangled portion of the material of the two members 1 and 2 due to melting and the joining strength, and the like. It is set in consideration of. Here, the relationship between the thickness of the material entangled portion and the bonding strength is shown in FIG. FIG.
Thus, it can be seen that in order to obtain a sufficient bonding strength exceeding, for example, 15 MPa, the thickness of the entangled portion of the material needs to be about 0.2 mm. Therefore, the support part 6,
The gap S of 8 is set to be slightly smaller than the thickness of the entangled portion of the material, for example, as will be apparent from the description of the experiment described later.
【００２２】両部材１，２を接合するには、図示しない
溶着装置において、他方の部材２をその開口部を上向き
にして固定したのち、一方の部材１の溶着用突出部５を
他方の部材２の溶着面７に接触させ、一方の部材１に対
して、そのフランジ３の複数箇所を図中の矢印Ａ〜Ｃで
示す如く下方向へ加圧しながら、同じく一方の部材１を
高速で横方向に振動させる。なお、振動は、例えば振れ
幅を１ｍｍ程度とし、周波数を１００〜２００Ｈｚ程度
とする。これにより、両部材１，２は、主として溶着用
突出部５の先端部分が摩擦熱により溶融し、図３（ｃ）
に示すように両材料の絡み合い部分Ｍが得られ、その後
の絡み合い部分Ｍの硬化とともに接合状態となる。In order to join the two members 1 and 2, in a welding device (not shown), the other member 2 is fixed with its opening facing upward, and then the welding projection 5 of one member 1 is connected to the other member. 2 while pressing a plurality of locations of the flange 3 downward on the one member 1 as shown by arrows A to C in FIG. Vibrating in the direction. The vibration has, for example, a swing width of about 1 mm and a frequency of about 100 to 200 Hz. As a result, the two members 1 and 2 mainly melt at the distal end portion of the welding projection 5 by frictional heat, and FIG.
As shown in (1), an entangled portion M of both materials is obtained, and the entangled portion M is joined with the subsequent hardening of the entangled portion M.
【００２３】このとき、当該振動溶着の部材構造では、
両部材１，２に、溶着用突出部５の溶融に伴う両部材
１，２の接近により互いに当接する支持部６，８が設け
てあるので、いずれかの部材１，２の成形誤差等によっ
て両部材の接触圧力の分布が不均一であるとしても、振
動開始から接合に至る間に支持部６，８同士が当接し、
溶融による材料の絡み合い部分Ｍの厚さを所定のものに
する。At this time, in the vibration welding member structure,
Since the members 1 and 2 are provided with the support portions 6 and 8 which come into contact with each other due to the approach of the members 1 and 2 due to the melting of the welding protrusion 5, a molding error or the like of one of the members 1 and 2 may occur. Even if the distribution of the contact pressure between the two members is not uniform, the support portions 6, 8 come into contact with each other during the period from the start of vibration to the joining,
The thickness of the entangled portion M of the material due to the melting is set to a predetermined value.
【００２４】つまり、従来の技術（図３参照）で説明し
たように、例えば一方の部材１に歪みがあり、両側の矢
印Ａ，Ｃで示す加圧箇所に比べて中央の矢印Ｂで示す加
圧箇所での接触圧力が大きい場合、従来技術では中央の
矢印Ｂの加圧箇所において材料の絡み合い部分Ｍが大き
く潰される。これに対して、当該部材構造では、支持部
６，８の当接により、中央の加圧箇所における溶着用突
出部５の接触圧力を下げると共に、材料の絡み合い部分
Ｍが必要以上に潰されるのを防止する。これにより、絡
み合い部分Ｍが所定の厚さに確保されることとなる。That is, as described in the prior art (see FIG. 3), for example, one of the members 1 is distorted, and the load is indicated by the arrow B at the center as compared with the pressurized portions indicated by arrows A and C on both sides. When the contact pressure at the pressure point is large, in the related art, the entangled portion M of the material is largely crushed at the pressure point indicated by the arrow B in the center. On the other hand, in the member structure, the contact pressure of the welding protruding portion 5 at the central pressurized portion is reduced by the contact of the support portions 6 and 8, and the entangled portion M of the material is crushed more than necessary. To prevent Thereby, the entangled portion M is secured to a predetermined thickness.
【００２５】なお、図１（ｃ）には示していないが、本
発明の部材構造においても絡み合い部分Ｂの潰れが生
じ、はみ出した材料がばりとなることがある。しかし、
絡み合い部分Ｍの所定の厚さを損なうほどの潰れは生じ
ない。さらに、当該部材構造では、溶融に伴って溶着用
突出部５がその両側の支持部６，６，８，８で支持され
るので、溶着用突出部５の両側方向における接触圧力の
分布も均一となり、これにより材料の絡み合い部分Ｍの
厚さがより一層均一なものとなって、接合強度も向上す
ると共に、開口部外周側の他方側の支持部８によって溶
着用突出部５やばり等が隠蔽されるので、外観体裁も良
好なものとなる。Although not shown in FIG. 1C, even in the member structure of the present invention, the entangled portion B may be crushed, and the protruding material may become burrs. But,
The entangled portion M is not crushed enough to impair the predetermined thickness. Further, in the member structure, the welding protrusions 5 are supported by the support portions 6, 6, 8, and 8 on both sides of the members with melting, so that the distribution of the contact pressure in both sides of the welding protrusions 5 is uniform. As a result, the thickness of the entangled portion M of the material becomes more uniform, the joining strength is improved, and the welding protruding portion 5 and burrs are formed by the other supporting portion 8 on the outer peripheral side of the opening. Since it is concealed, the appearance appearance is also good.
【００２６】ここで、本発明に係わる部材構造を有する
部材と従来の部材を用いて、振動溶着の試験を行った。
本発明の部材は、図１（ｂ）に示す構造において、溶着
用突出部５の突出寸法を６．５ｍｍとし、他方側の支持
部８の突出寸法を５ｍｍとした。したがって、支持部
６，８間の隙間Ｓは１．５ｍｍである。また、従来の部
材としては、本発明と同一の溶着用突出部のみを有し、
他方側の支持部の無いものを用いた。Here, a vibration welding test was conducted using a member having a member structure according to the present invention and a conventional member.
In the member of the present invention, in the structure shown in FIG. 1B, the protrusion of the welding protrusion 5 was 6.5 mm, and the protrusion of the other support 8 was 5 mm. Therefore, the gap S between the support portions 6 and 8 is 1.5 mm. In addition, as a conventional member, has only the same welding protrusion as the present invention,
The one having no support on the other side was used.
【００２７】そして、第１実施例では、振動溶着時の加
圧力を２０ｋｇｆ／ｍｍ2とし、加圧ストロークを１．
５ｍｍとし、さらに、振動停止後に溶融部分が硬化する
までの保持圧力を１５ｋｇｆ／ｍｍ2として実験を行っ
た。また、第２実施例では、加圧ストロークを２．０ｍ
ｍに変更して同様の圧力条件で実験を行い、従来例で
は、加圧ストロークを１．５ｍｍとして同様の圧力条件
で実験を行った。こののち、接合部分の断面が表れるよ
うに各例の両部材を所定の長さに切断し、断面において
絡み合い部分の厚さを測定すると共に、接合強度の評価
として両部材の引っ張り強度を測定した。その結果を次
の表に示す。In the first embodiment, the pressure during vibration welding is set to 20 kgf / mm 2 and the pressure stroke is set to 1.
The experiment was conducted by setting the pressure to 5 mm and the holding pressure until the melted portion was hardened after the vibration was stopped at 15 kgf / mm 2 . In the second embodiment, the pressure stroke is 2.0 m.
m, the experiment was performed under the same pressure condition. In the conventional example, the experiment was performed under the same pressure condition with the pressing stroke set to 1.5 mm. Thereafter, both members of each example were cut to a predetermined length so that the cross section of the joined portion appeared, and the thickness of the entangled portion was measured in the cross section, and the tensile strength of both members was measured as an evaluation of the joining strength. . The results are shown in the following table.
【００２８】 [0028]
【００２９】表から明らかなように、本発明に係わる第
１および第２の実施例によれば、材料の絡み合い部分の
厚さにおいても接合強度においても、従来例を大幅に上
回っており、支持部による優れた効果を確認することが
できた。また、とくに第２実施例にあっては、支持部同
士が溶着しており、これにより接合強度がさらに向上し
ていることを確認した。As is clear from the table, according to the first and second embodiments according to the present invention, the thickness of the entangled portion of the material and the bonding strength are significantly higher than those of the conventional example. The excellent effect of the part was confirmed. In addition, particularly in the second example, it was confirmed that the support portions were welded to each other, thereby further improving the bonding strength.
【００３０】なお、本発明に係わる振動溶着の部材構造
は、上記の実施例に示した構造のみに限定されるもので
はなく、例えば、接合される部材ならびに製品の形状等
に対応して、溶着用突出部や各支持部の形状および配置
を適宜選択することができると共に、部材の材質などに
も応じて各構成部位の寸法関係などを設定することがで
きる。The structure of the member for vibration welding according to the present invention is not limited to the structure shown in the above-described embodiment. For example, the member may be welded in accordance with the shape of the member to be joined and the product. The shape and arrangement of the projecting portion and each support portion can be appropriately selected, and the dimensional relationship of each component can be set according to the material of the member.
【図１】本発明に係わる振動溶着の部材構造の一実施例
において、接合前の両部材を説明する斜視図（ａ）、接
合前の両部材の要部を説明する断面図（ｂ）、および接
合後の両部材の要部を説明する断面図（ｃ）である。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view illustrating two members before joining in one embodiment of a member structure for vibration welding according to the present invention, FIG. FIG. 7C is a cross-sectional view illustrating main parts of the two members after joining.
【図２】材料の絡み合い部分の厚さと接合強度との関係
を示すグラフである。FIG. 2 is a graph showing the relationship between the thickness of a material entangled portion and the bonding strength.
【図３】従来における振動溶着を説明する両部材の片側
断面図（ａ）、および接触圧力が大きい部分の接合後の
状態を示す断面図（ｂ）である。FIGS. 3A and 3B are a one-side cross-sectional view of both members for explaining vibration welding in the related art, and a cross-sectional view showing a state after bonding of a portion having a large contact pressure.
１ 一方の部材 ２ 他方の部材 ５ 溶着用突出部 ６ 一方側の支持部 ８ 他方側の支持部 DESCRIPTION OF SYMBOLS 1 One member 2 The other member 5 Welding projection part 6 One side support part 8 The other side support part
───────────────────────────────────────────────────── フロントページの続き (72)発明者 東 憲 一 神奈川県横浜市神奈川区宝町２番地 日産 自動車株式会社内 Ｆターム(参考） 4F211 AD05 AD24 AD25 AG06 AG07 AG24 AH55 AH56 TA01 TC09 TC14 TC15 TC16 TD02 TD07 TD13 TH02 TH18 TJ21 TN21 TQ05 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Kenichi Higashi F-term (reference) 4F211 AD05 AD24 AD25 AG06 AG07 AG24 AH55 AH56 TA01 TC09 TC14 TC15 TC16 TD02 TD07 TD13 TH02 TH18 TJ21 TN21 TQ05
Claims (4)
方の部材を振動させて接触部分を溶融させることによ
り、両部材を接合する振動溶着において、一方の部材
に、先端面を他方の部材への接触面とした溶着用突出部
を設け、両部材に、溶着用突出部の近傍に位置し且つ溶
着用突出部の溶融に伴う両部材の接近により互いに当接
する支持部を設けたことを特徴とする振動溶着の部材構
造。In a vibration welding for joining two members by bringing two members into pressure contact with each other and vibrating one of the members to melt a contact portion, the tip surface of one member is attached to the other member. That the welding protrusion is provided as a contact surface with the welding member, and that both members are provided with supporting portions that are located near the welding protrusion and that come into contact with each other due to the approach of the two members due to the melting of the welding protrusion. Characteristic vibration welding member structure.
を備えると共に、相対向する開口端面に溶着用突出部や
支持部を備えていることを特徴とする請求項１に記載の
振動溶着の部材構造。2. The vibration welding according to claim 1, wherein the two members are provided with openings facing each other, and are provided with welding protrusions and support portions on the end faces of the openings facing each other. Member structure.
て溶着用突出部を設けると共に、両部材に、その開口部
全周にわたって溶着用突出部よりも開口部外周側に支持
部を設けたことを特徴とする請求項２に記載の振動溶着
の部材構造。3. A welding projection is provided on one of the members over the entire periphery of the opening, and both members are provided with a support on the outer periphery of the opening relative to the welding projection over the entire periphery of the opening. The member structure for vibration welding according to claim 2, wherein:
る他方の部材に、溶着用突出部の両側に向けて突出する
２つの支持部を設けたことを特徴とする請求項３に記載
の振動溶着の部材構造。4. The welding member according to claim 3, wherein the one member provided with the welding protrusion has two support portions projecting toward both sides of the welding protrusion on the other member. Vibration welding member structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3171699A JP2000229360A (en) | 1999-02-09 | 1999-02-09 | Member structure of vibration welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3171699A JP2000229360A (en) | 1999-02-09 | 1999-02-09 | Member structure of vibration welding |
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| JP2000229360A true JP2000229360A (en) | 2000-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP3171699A Pending JP2000229360A (en) | 1999-02-09 | 1999-02-09 | Member structure of vibration welding |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012002342A (en) * | 2010-06-21 | 2012-01-05 | Sato Light Kogyo Kk | Airtight pressure vessel and manufacturing method of the same |
| CN104218379A (en) * | 2013-05-30 | 2014-12-17 | 阿尔卑斯电气株式会社 | Waterproof connector |
| JP2015008118A (en) * | 2013-05-30 | 2015-01-15 | アルプス電気株式会社 | Watertight connector |
| JP2018171711A (en) * | 2017-03-31 | 2018-11-08 | 株式会社デンソー | Bonded body |
| JP2018171712A (en) * | 2017-03-31 | 2018-11-08 | 株式会社デンソー | Joined body |
| JP2019137001A (en) * | 2018-02-14 | 2019-08-22 | トヨタ紡織株式会社 | Welding rib structure |
| CN112272610A (en) * | 2018-06-13 | 2021-01-26 | 杜凯恩Ias有限责任公司 | Method for determining a thickness of a molten layer associated with a predetermined welding strength based on a correlation between the predetermined welding strength and the thickness of the molten layer |
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1999
- 1999-02-09 JP JP3171699A patent/JP2000229360A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012002342A (en) * | 2010-06-21 | 2012-01-05 | Sato Light Kogyo Kk | Airtight pressure vessel and manufacturing method of the same |
| CN104218379A (en) * | 2013-05-30 | 2014-12-17 | 阿尔卑斯电气株式会社 | Waterproof connector |
| JP2015008118A (en) * | 2013-05-30 | 2015-01-15 | アルプス電気株式会社 | Watertight connector |
| JP2018171711A (en) * | 2017-03-31 | 2018-11-08 | 株式会社デンソー | Bonded body |
| JP2018171712A (en) * | 2017-03-31 | 2018-11-08 | 株式会社デンソー | Joined body |
| JP2019137001A (en) * | 2018-02-14 | 2019-08-22 | トヨタ紡織株式会社 | Welding rib structure |
| JP7069791B2 (en) | 2018-02-14 | 2022-05-18 | トヨタ紡織株式会社 | Welding rib structure |
| CN112272610A (en) * | 2018-06-13 | 2021-01-26 | 杜凯恩Ias有限责任公司 | Method for determining a thickness of a molten layer associated with a predetermined welding strength based on a correlation between the predetermined welding strength and the thickness of the molten layer |
| JP2021527580A (en) * | 2018-06-13 | 2021-10-14 | デューケイン アイエーエス エルエルシー | A method of determining the melt layer thickness associated with a given welding strength based on its correlation. |
| US11633920B2 (en) | 2018-06-13 | 2023-04-25 | Dukane Ias, Llc | Methods for determining a melt layer thickness associated with a predetermined weld strength based on a correlation therebetween |
| JP7443259B2 (en) | 2018-06-13 | 2024-03-05 | デューケイン アイエーエス エルエルシー | How to determine the weld layer thickness associated with a given weld strength based on its correlation |
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