TW201127611A - Method for the ultrasonic welding of two plastic components - Google Patents

Method for the ultrasonic welding of two plastic components Download PDF

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Publication number
TW201127611A
TW201127611A TW099139317A TW99139317A TW201127611A TW 201127611 A TW201127611 A TW 201127611A TW 099139317 A TW099139317 A TW 099139317A TW 99139317 A TW99139317 A TW 99139317A TW 201127611 A TW201127611 A TW 201127611A
Authority
TW
Taiwan
Prior art keywords
recess
section
flat
contact
end side
Prior art date
Application number
TW099139317A
Other languages
Chinese (zh)
Inventor
Wolfgang Fischer
Daniel Hug
Christine Faerber
Steffen Schoenfeld
Original Assignee
Bosch Gmbh Robert
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Publication of TW201127611A publication Critical patent/TW201127611A/en

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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
    • B29C65/02—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
    • B29C65/02—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
    • B29C65/081—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations having a component of vibration not perpendicular to the welding surface
    • B29C65/082—Angular, i.e. torsional ultrasonic welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—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
    • B29C66/122—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section
    • B29C66/1222—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section comprising at least a lapped joint-segment
    • 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
    • B29C66/122—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section
    • B29C66/1224—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section comprising at least a butt joint-segment
    • 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
    • B29C66/542—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 joining hollow covers or hollow bottoms to open ends of container bodies
    • 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
    • B29C66/003—Protecting areas of the parts to be joined from overheating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—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
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/748—Machines or parts thereof not otherwise provided for
    • B29L2031/7506—Valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)

Abstract

A method for preparing two plastic components (11, 12), one on top of the other, for welding them together by means of torsional ultrasonic friction welding is provided. To ensure a stable and reliable welding process, even on components (11, 12) that are not rotationally symmetrical, with the result that the two components (11, 12) are connected in a tightly sealed manner, a recess (13) that is open at the ends and has axial and radial bounding walls (131, 132) is introduced into the circumference of the first component (11) and a peripheral, axially protruding lug of material (14) is formed as an energy directing element on the second component (12), on the side facing the first component (11), and a peripheral, raised contact zone (15), with a planar surface forming a contact area (151) for the welding tool, protruding beyond the second component (12), is formed on the side facing away from the first component (11), in line with an axial extension of the lug of material (14). The two components (11, 12) are joined in such a way that the lug of material (14) protrudes into the recess (13) and rests on the radial bounding wall (132).

Description

201127611 六、發明說明： 【發明所屬之技術領域】 本發明關於一種將二個先後放置的塑膠構 備的方法，以利用扭力超音波麾 接準 Λ义《及厚擦熔接將它們熔接。 【先前技術】 I去之扭力超音波摩擦熔接—般用於在—此 轉對稱的塑膠構件連接，在這些情 4元將紅 及所要熔接的構造的低献 i、 部的密性 …、貝何有很向的要求。 内部有電子裝置的殼體作密 、 為將 膠的炼接，它們在消毒以及種類未分類的塑 的軟管接合。時須承受熱負荷，例如在醫藥用品 【發明内容】 具有申請專利範圍第i項的特點的本發明 點為.利用所要接合構件 /的優 合對象的炼接幾何形狀，它在炼接區域中接 也能確保在扭力超音波摩捧炫===旋轉對稱的場合 序，且造成接合對象的古声—寺有穩疋及安全的炼接程 其—構件或另-構件封的連接。在此，可能含在 電子元件)不會損壞依本感的元件―^ 具有隆起的接觸區域 及製造㈣接幾何形狀 指示器以將力量及…及能量方向 時，力量和能量從㈣接 纟b_r確保在熔接 又置的a波極垂直地從接觸區域 201127611 傳到熔接區域中因此將最 化且造成材料癒合的連接，穴導入熔接區域。材料榫炼 確保溶融物*會㈣ μ制㈣接幾何形狀也可 ^ ^ 弟構&的凹隙跑出並形成沿栌内七紅 向突出的塑膠渔塊或流 /成…或轴 所含之此構件中將該-個或另-構件中 又貝，凡件，如滑動接點、電子元件等〇 利用申請專利範圍第2〜 ^ ^ 第6項所述的措施，可將申請 專料圍第！項的方法作有利的進—步發展及改良。 整體上利用上述措施可將熔接結果最佳化，因此舉例 而言，從接觸面到熔接區域的力量及能量流可最佳化，且 J將凹隙用材料榫的炼融材料作最佳的充填，以及避免溶 融物在第一構件的端侧或周圍跑出。 一 一種依本發明的方法準備以及隨後熔接的構造組（它由 個在平面上剛後放置的塑膠構件構成在申請專利範圍 第7項說明，其有利的設計見於申請專利範圍第8〜1〇項。 在以下的說明中，本發明方法利用一個要熔接的構造 組（它由二個塑膠構件構成）的一圖式中所示之實施例詳細 說明。 ‘ 【實施方式】 此用於準備將二個上下放置的塑膠構件作準備以將該 構件利用習知的扭力超音波摩擦熔接的方法下以下利用圖 1所示的由二個塑膠構件（11)(12)構成的構造組說明。在圖 示的實施例中。第一構件（1 1)為端側開口的殼體，例如用於 4納一節流蓋片感測器（Drosselklappengeber)(呈一陶篆電 4 201127611 〜^的形式）’而第二構件（12)係—平坦蓋，將該殼體封閉， 匕°在成體的端側。此處該二構件（11)(12)非旋轉對稱者， 且相倚靠在一平面上。 為了在二構件⑴）⑼間利用習知之扭力超音波摩擦溶 =成可*的高度密封的接合’故該二構件在其熔接區域 的範圍設有如下述的溶接幾何形狀： 域 將凹隙（13)[它向第一構件⑴）的端側開口]做到第一 構件（11)的周圍中，該四隙（13)有一軸向朝向的限制壁⑴^ 及一與該限制壁（13 D垂直徑向朝向的限制壁（132) ’下文中 簡稱軸向限制壁（131)和徑向限制壁（132)(圖3)。在第二構件 ()上邊在朝向第—構件（⑴的那—側上形成—環繞的沿 軸向突出的材料榫(14);當作能方向指示器。有一隆起的接 觸區域⑽它具有一平坦表面)形到第二構件⑽另一邊上 在背向第:構件⑴）的那—側上在材料榫（14)的轴向延長線 上，在此實施財，該接觸區域係沿構件邊緣延伸。此平 坦表面形成—接觸面（15)以放上料工具。如圖U放大圖 的圖3所不，該二構件⑴）（12)在溶接前用以下方式先套 合：材料榫（14)突伸到凹隙⑼中，並倚在軸向限制壁（（川 上且位在徑向限制壁（132)上。 在圖示的實施例中，接觸區域（15)的形成作業使得接觸 £域（15)具梯形橫截面’其較長底線與第二構件⑽的外緣 在-平面上而結束，且其較短底線位在接觸面（ι川内。在 此’接觸區域（15)的梯形橫截面配合第—構件（⑴中的凹隙 (13)的橫截面，使梯形橫截面的較長底線遠大於凹隙(I”的 201127611 徑向深度。 環繞材料榫（14)形成到第—構件⑴）上的作業，使得該 材料榫（14)的橫截面呈直角= ' ^ M ^ 角形，其二股不等長。在此， 材料榫（14)的朝向使得二構件4 ( 1)(12)接合時，較長的股 )位在第二構件（12)中的凹隙（13)的軸向限制壁⑽上， 而三角形頂點位在第一構件（"）“隙03)的徑向限制壁 (132)上。在第—構件⑴）中的凹隙（13)的尺寸與第二構件 ⑽上的材料榫（14)的橫“互相配合設定，使較長的股 (141)大於軸向限制面（131)的高度，^材料榫（M)的橫截面 之較短的股小於凹隙（14)的徑向深度。 將上述及圖1中所示之二構件（11)(12)放人溶裝置中， 在該裝置中’第-構件⑴）放在__料件中，而將一溶接工 具放到第二構件（12)上，該卫具為“裝置之所謂的音波極 (s〇n〇trode)(16)(圖4)。在此，音波極（16)只倚在第二構件（12) 的接觸區域（15)垂直地進一步導至該材料榫（14)(它當作能 量方向指示器”因此，材料榫（14)的一部分材料熔化，並 造成接到第-構件（11)中的限制壁（131)(132)[它們圍成凹 隙]的材料癒合的接合。由於材料榫（14)的造形所熔化的材 料量固然使熔融物充填凹隙（13)(如圖14所示）但不會向外 漲出，因此在第一構件（11)的端側及周圍不會有塑膠渣塊突 出。熔接程序結束後，將音波極（16)拿掉（圓4)並將該由二 個構件（11)(12)[它們牢牢互相連接具有高密封性]從熔接裝 置的保持件取出，利用此熔接程序’音波極（16)的表面的廟 形已形成在接觸區域（15)的接觸面（151)中，因此從炼接裝置 6 201127611 取出後接觸區域（15)的纟面圖案相當於音波極廓形的負 模環繞的凹隙（13)完全被材料充滿，而不形成渣塊，因此 不須在溶接的構造組上㈣接區域作後續的加工。 【圖式簡單說明】 圖1係-構造組的縱剖面’它由二個上下放置的 作熔接的塑膠構件構成； 圖2係沿圖1箭頭11方向之該構造組的上視圖； 圖3係圓1的部段III的放大圖； 圖4係在該二構件熔接後及 的縱剖面圖。 接褒置的音波極拿掉前 【主要元件符號說明】 (11) 第一構件 (12) 第二構件 (13) 凹隙 (14) 材料榫 (15) 接觸區域（接觸面） (16) 音波極 (131) 限制壁 (132) 限制壁201127611 VI. Description of the Invention: [Technical Field] The present invention relates to a method of constructing two successively placed plastics to weld them by means of a torsional ultrasonic 麾 接 《 及 及 及 及 及 及 。 。. [Prior Art] I torsion force ultrasonic friction welding - generally used in the connection of this symmetrical plastic component, in these 4 yuan will be red and the structure of the fusion to be welded, the density of the part, ... Why are there very requirements? The housing with the internal electronics is dense, for the refining of the glue, they are joined in a sterile and unclassified plastic hose. It is necessary to withstand the heat load, for example, in medical supplies. [Inventive content] The present invention having the characteristics of the item i of the patent application is the refining geometry of the preferred object to be joined, which is in the refining area. It can also ensure the sequence of the torsion supersonics and the symmetry of the rotation, and the ancient sound of the joint object - the temple has a stable and safe refining process - the connection of the component or the other - component seal. Here, it may be contained in the electronic component) that does not damage the sensed component - ^ has a raised contact area and manufactures (4) connects the geometric indicator to force and ... and the direction of energy, power and energy from (4) to b_r It is ensured that the a-wave, which is placed in the fusion, is transmitted vertically from the contact area 201127611 into the welded region, thus maximizing the connection that causes the material to heal, and the hole is introduced into the welded region. The material is smelted to ensure that the smelt* will be (4) μ (4) and the geometry can also be ^ ^ The structure of the ridge & the escaping out and forming a plastic fishing block or flow / into the ... or the axis In this component, the component or the other component, such as a sliding contact, an electronic component, etc., can be applied for by the measures described in the second to the ^^^6 of the patent application scope. Wai! The method of the item is beneficial for further development and improvement. The above measures can be used to optimize the welding result as a whole, so that, for example, the force and energy flow from the contact surface to the welding area can be optimized, and J is the best material for the smelting material of the material. Filling, and avoiding the melt from running out on or around the end side of the first member. A construction group prepared according to the method of the present invention and subsequently welded (which consists of a plastic member placed just behind the plane in the scope of claim 7 of the patent application, the advantageous design of which is found in the patent application scope 8 to 1) In the following description, the method of the present invention is described in detail using an embodiment shown in a drawing of a structural group to be welded (which is composed of two plastic members). [Embodiment] This is used for preparation. A two-plastic member (11) (12) shown in Fig. 1 will be described below by preparing two plastic members placed up and down to frictionally weld the member by conventional torsional ultrasonic waves. In the illustrated embodiment, the first component (1 1) is an open-ended housing, for example in the form of a 4-nano-flow flap sensor (in the form of a ceramic tile 4 201127611 ~ ^) And the second member (12) is a flat cover that closes the housing to the end side of the body. Here the two members (11) (12) are non-rotationally symmetrical and lean against one another On the plane. In order to be in two parts (1)) (9) Between the conventionally used torsion, the supersonic frictional solution = a highly sealed joint, so that the two members have a fusion geometry as described below in the range of their welded regions: the domain will be a recess (13) [it is first The end side opening of the member (1) is made to be in the periphery of the first member (11), the four gaps (13) having an axially facing limiting wall (1) and a limit perpendicular to the limiting wall (13 D radial orientation) The wall (132) 'hereinafter referred to simply as the axial limiting wall (131) and the radial limiting wall (132) (Fig. 3). On the second member () is formed on the side facing the first member ((1) - surrounding a material 榫 (14) protruding in the axial direction; as an energy direction indicator. A raised contact area (10) has a flat surface) shaped on the other side of the second member (10) facing away from the first member (1) - On the side of the axial extension of the material crucible (14), it is implemented here that the contact area extends along the edge of the member. This flat surface forms a contact surface (15) for the loading tool. As shown in Fig. 3 of the enlarged view of Fig. U, the two members (1)) (12) are firstly fitted before being welded: the material 榫 (14) protrudes into the recess (9) and leans against the axial limiting wall ( (The upper reaches is on the radial limiting wall (132). In the illustrated embodiment, the contact area (15) is formed such that the contact area (15) has a trapezoidal cross section 'the longer bottom line and the second member The outer edge of (10) ends in a plane, and its shorter bottom line is at the contact surface (in the middle of the tube. Here, the trapezoidal cross section of the contact region (15) is matched with the first member (the recess (13) in (1) The cross-section is such that the longer bottom line of the trapezoidal cross-section is much larger than the 201127611 radial depth of the recess (I". The work of wrapping the material 榫 (14) onto the first member (1) causes the cross-section of the material 14 (14) The cross section is at right angle = ' ^ M ^ angle, and its two strands are unequal length. Here, the orientation of the material crucible (14) is such that when the two members 4 ( 1) (12) are joined, the longer strand is located in the second member ( 12) The axial confinement wall (10) of the recess (13), and the triangular apex is located at the radial limiting wall of the first member (") "Gap 03" (132) The size of the recess (13) in the first member (1) and the transverse traverse of the material 榫 (14) on the second member (10) are set so that the longer strand (141) is larger than the axial limiting surface. The height of (131), the shorter strand of the cross section of the material 榫 (M) is smaller than the radial depth of the recess (14). The two members (11) (12) shown above and shown in Fig. 1 are placed. In the dissolving device, in the device, the 'first member (1)) is placed in the __material, and a dissolving tool is placed on the second member (12), which is the so-called sonic pole of the device (s 〇n〇trode)(16) (Fig. 4). Here, the sonotrode (16) is guided further perpendicularly to the contact region (15) of the second member (12) to the material crucible (14) (which acts as an energy direction indicator). Therefore, the material crucible (14) A portion of the material melts and causes the material to be joined to the material of the confinement walls (131) (132) in the first member (11) [they form a gap]. The material is melted due to the formation of the material crucible (14) Although the melt fills the recess (13) (as shown in Fig. 14) but does not rise outward, there is no plastic slag protruding at the end side and the periphery of the first member (11). After that, the sonic pole (16) is removed (circle 4) and the two members (11) (12) [they are firmly connected to each other with high sealing property] are taken out from the holder of the welding device, and the welding procedure is utilized. The temple shape of the surface of the acoustic wave (16) has been formed in the contact surface (151) of the contact region (15), so that the kneading pattern of the contact region (15) after being taken out from the refining device 6 201127611 is equivalent to the acoustic wave profile. The concave gap (13) around the negative mold is completely filled with material without forming a slag, so it does not need to be melted The fourth part of the construction group is used for subsequent processing. [Simplified illustration of the drawing] Fig. 1 is a longitudinal section of the structure group. It consists of two plastic members placed up and down for welding; Figure 2 is along the direction of arrow 11 in Fig. 1. Figure 3 is an enlarged view of the section III of the circle 1; Figure 4 is a longitudinal section of the two components after welding. The sound wave of the connection is removed before the main component symbol description 】 (11) First member (12) Second member (13) Notch (14) Material 榫 (15) Contact area (contact surface) (16) Sound wave pole (131) Limit wall (132) Limit wall

Claims (1)

201127611 七、申請專利範圍： K種將二個上下放置的塑膠構1件（11)(12)作熔接準備 的方法，用於利用扭力超音波摩擦熔接將該構件熔接，其 特徵在：將一凹隙（13)做入第一構件（11)的周圍，該凹隙朝 向第構件的端側開口，且具有沿軸向及沿徑向對準的限 制壁（131 )(132)，將-環繞且沿軸向突出的材料榫⑽形成 到第二構件（12)之朝向第-構件（11)的那-側上，當作能量 方向指不器；並將一環繞隆起的接觸區域（15)形成在第二構 件之是向第—構件⑴）的那_側上在#料榫（Μ)的軸向延長 線上’該接觸區域具有—平坦表面，它形成—接觸面⑴〇 =放上一熔接工具；將該二構件（11)(12)接合使材料榫（14) 大伸到凹隙（13)進去且坐落在凹隙（13)之沿徑向對準的限制 壁（132)上。 2·如申請專利範圍第1項之方法，其中： °亥接觸區域（15)的形成作業使接觸區域（15)橫截面呈梯 有二條平行底線，其較長的底線與第二構件（12)外緣在 同平面而結束，其較短的底線位在接觸面（丨5)中。 3.如申請專利範圍第2項之方法，其中： 該第一構件（12)上的接觸區域（15)的梯形橫截面配合第 一構件⑴）中凹隙（13)的橫截面設定，使該梯形橫截面之較 長的底線遠大於該凹隙（1 3)的徑向深度。 4.如申請專利範圍第1或第2項之方法，其中： 該環繞的材料榫（14)在第二構件（12)上形成的作業使該 材料榫(U)的橫截面呈直角三角形，其二股不等長且其朝向 8 201127611 使得當該二構件（11)(12)接合時，較長的股（i 4 i )位在該凹隙 (13)之沿軸向朝向的限制壁（13 1}上，而三角形頂點位在第一 構件（11)的凹隙（1 32)之沿徑向朝向的限制壁（1 32)上。 5.如申請專利範圍第4項之方法，其中： 該第一構件（11)中的凹隙（13)的尺寸和第二構件（12)上 的材料榫（14)的橫截面互相配合設定，使該較長的股（i4i) 大於該凹隙（13)的軸向深度而較短的股小於凹隙（13)的徑向 深度。 6. 如申請專利範圍第丨或第2項之方法，其中： 使用之第一構件(")為-端側開口的殼體，具有環繞而 平坦的端側壁，使用之第二構件⑽為一平坦蓋，將該殼體 封閉’放到殼體的端側壁上。 7. 種構造、组，由二個上下放置的塑膠構件⑴）（12)構 成，該二構件利用扭力，音波炼接互相連接’其特徵在·· 第-構件⑴）有—環繞的凹隙（13)，朝向端側開口，且有一 =轴向對準的限制即3)及—沿徑向對準的限制壁（132)，而 二:構件02) 一邊有一，向突出的材料榫(14),突伸到該凹 二：)進去，且在炼接時熔化而將凹隙(13)至少部分地充 構件另—邊有—環繞的隆起的接觸區域⑴），設在 兮接觸件⑴）的那—側在材料榫〇4)的軸向延長線上， 妾觸區域供熔接裝置接觸之用，具有平坦的表面。 如申請專利範圍第7項之構造组，其中： 該接觸區域（15)呈_ _ 梯形橫截面，梯二體:::成到第二構件㈣ 千仃的底線’其中較長的底與第二構 201127611 件（12)的外緣在同一平面上而結束 ，其中： 長底線遠大於凹隙 9.如申請專利範圍第8項之構造組 該接觸區域（15)的梯形橫截面的較 (1 3 )的徑向深度。 10二申請專利範圍第7、8 < 9項之構造組，其中： 第構件（1 1)為一端側開口的殼體，具有環繞而平坦的 端側壁，筮_讲，， ~ 乐一構件（12)為一平坦蓋，將該殼體封閉且倚在盆 端側壁上。 〃 八、圖式： (如次頁） 10201127611 VII. Patent application scope: K kinds of two plastic parts (11) (12) placed on top and bottom are prepared for welding, which is used to weld the member by friction ultrasonic welding. The characteristics are as follows: The recess (13) is formed around the first member (11), the recess is open toward the end side of the first member, and has a limiting wall (131) (132) aligned in the axial direction and in the radial direction, which will be - A material weir (10) projecting around and projecting in the axial direction is formed on the side of the second member (12) facing the first member (11) as a direction of energy direction; and a contact region surrounding the ridge (15) ) formed on the axial extension of the # 榫 (Μ) on the side of the second member to the first member (1). The contact region has a flat surface which forms a contact surface (1) 〇 a welding tool; engaging the two members (11) (12) such that the material crucible (14) extends into the recess (13) and lies in a radially aligned limiting wall (132) of the recess (13) on. 2. The method of claim 1, wherein: the forming operation of the contact region (15) causes the contact region (15) to have a parallel cross-section with two parallel bottom lines, and a longer bottom line and a second member (12) The outer edge ends in the same plane, and its shorter bottom line is in the contact surface (丨5). 3. The method of claim 2, wherein: the trapezoidal cross section of the contact region (15) on the first member (12) matches the cross section of the recess (13) in the first member (1), such that The longer bottom line of the trapezoidal cross section is much larger than the radial depth of the recess (13). 4. The method of claim 1 or 2, wherein: the surrounding material 榫 (14) is formed on the second member (12) such that the cross section of the material 榫 (U) is a right triangle. The two strands are unequal in length and face 8 201127611 such that when the two members (11) (12) are joined, the longer strand (i 4 i ) is located in the axially oriented limiting wall of the recess (13) ( 13 1}, and the apex of the triangle is located on the radially facing limiting wall (1 32) of the recess (1 32) of the first member (11). 5. The method of claim 4, wherein : the size of the recess (13) in the first member (11) and the cross-section of the material raft (14) on the second member (12) are matched to each other such that the longer strand (i4i) is larger than the recess The axial depth of the gap (13) and the shorter strand is smaller than the radial depth of the recess (13). 6. The method of claim 2 or 2, wherein: the first member used (") a housing that is open on the end side, has a flat and flat end side wall, and the second member (10) used is a flat cover that closes the housing to the end side of the housing 7. The structure and group are composed of two plastic members (1) (12) placed up and down. The two members are connected by a torsion force, and the sound waves are connected to each other. The characteristics are in the first member (1). The recess (13) is open toward the end side, and has a limit of axial alignment (ie, 3) and a radially aligned limiting wall (132), and two: member 02) has a side, protruding material榫(14), projecting into the recess 2:), and melting during the refining to at least partially fill the recess (13) with another-side surrounded ridge (1)) The side of the contact (1)) is on the axial extension of the material 榫〇4), and the contact area is provided for contact by the fusion splicing device, having a flat surface. For example, in the structural group of claim 7, wherein: the contact area (15) is _ _ trapezoidal cross section, the ladder body::: into the second member (four) Millennium bottom line 'the longer bottom and the first The outer edge of the second structure 201127611 piece (12) ends on the same plane, wherein: the long bottom line is much larger than the concave gap 9. The structural group of the eighth aspect of the patent application scope has a trapezoidal cross section of the contact area (15) ( 1 3 ) Radial depth. 102. The structural group of claim 7, 8 <9, wherein: the first member (11) is a housing that is open at one end side, has a circumferential side wall that is flat and flat, and is a member (12) is a flat cover that closes the housing and rests on the side wall of the bowl end. 〃 Eight, schema: (such as the next page) 10
TW099139317A 2009-11-18 2010-11-16 Method for the ultrasonic welding of two plastic components TW201127611A (en)

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