JPWO2014200103A1 - アンビルローラ及びこれを備えた超音波溶着装置 - Google Patents
アンビルローラ及びこれを備えた超音波溶着装置 Download PDFInfo
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- JPWO2014200103A1 JPWO2014200103A1 JP2015522891A JP2015522891A JPWO2014200103A1 JP WO2014200103 A1 JPWO2014200103 A1 JP WO2014200103A1 JP 2015522891 A JP2015522891 A JP 2015522891A JP 2015522891 A JP2015522891 A JP 2015522891A JP WO2014200103 A1 JPWO2014200103 A1 JP WO2014200103A1
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- Prior art keywords
- anvil roller
- welded
- sheet
- welding
- anvil
- Prior art date
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Images
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/816—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the mounting of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/8167—Quick change joining tools or surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
- B29C66/822—Transmission mechanisms
- B29C66/8226—Cam mechanisms; Wedges; Eccentric mechanisms
- B29C66/82263—Follower pin or roller cooperating with a groove
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- 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
- B29C66/87—Auxiliary operations or devices
- B29C66/876—Maintenance or cleaning
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- 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
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Abstract
Description
搬送工程P1では、特定方向に延びるシートWをその長手方向に沿って搬送する。以下、シートWの流れ方向を横方向とし、図1において横方向と直交する方向を縦方向として説明する。
レッグホール形成工程P2では、シートWの縦方向の中央位置にレッグホールLを形成する。
吸収体接合工程P3では、シートWにおける2つのレッグホールLの間の位置に吸収体Aを接合する。
二つ折り工程P4では、吸収体Aが載置されたシートW(連続体)を縦方向に二つ折りにする。これにより、シートWにおける前腹部20aに相当する部分と後背部20bに相当する部分とが重ね合わされる。
溶着工程P5では、二つ折りにされたシートWにおける前腹部20aの側縁部に相当する部分と後背部20bの側縁部に相当する部分とを超音波溶着する。
切断工程P6では、溶着工程P5で形成された2つの溶着部Sの間で縦方向に延びる切断線に沿ってシートWを切断する。これにより、シートW(連続体)が使い捨ておむつ20ごとに切り分けられる。
Claims (7)
- 被溶着物を保持する保持部材と、前記保持部材に保持された被溶着物に超音波振動を与える超音波ホーンと、前記被溶着物を前記超音波ホーンとの間で溶着するためのアンビルローラと、前記アンビルローラが前記保持部材に対して移動可能となり、かつ、前記保持部材に対する前記アンビルローラの移動に応じて前記アンビルローラが前記被溶着物に対して転がり接触可能となるように回転軸を介して前記アンビルローラを支持する支持機構とを有する超音波溶着装置に用いられる前記アンビルローラであって、
前記回転軸を介して前記支持機構に回転可能に支持される被支持部と、
前記被溶着物に対して転がり接触する間に前記超音波ホーンとの間で前記被溶着物を溶着可能な溶着面を有する外周部と、
前記被支持部と前記外周部との間において前記回転軸の軸方向の厚みが前記外周部の厚みよりも小さくなるように形成された薄肉部と、
前記薄肉部に設けられた防振材とを備えている、アンビルローラ。 - 前記防振材は、前記薄肉部により画定される前記外周部における溶着面に対する裏側面に設けられている、請求項1に記載のアンビルローラ。
- 前記薄肉部は、前記回転軸回りの全周に亘り設けられ、
前記防振材は、前記裏側面の前記回転軸回りの全周に亘り設けられている、請求項2に記載のアンビルローラ。 - 前記防振材は、前記薄肉部の一部の範囲のみに設けられている、請求項2又は3に記載のアンビルローラ。
- 前記被支持部の前記回転軸の軸方向の厚みは、前記薄肉部の厚みよりも大きい、請求項1〜4の何れか1項に記載のアンビルローラ。
- 前記被支持部の厚みは、前記外周部の厚みよりも小さい、請求項5に記載のアンビルローラ。
- 被溶着物を保持する保持部材と、
前記保持部材に保持された被溶着物に超音波振動を与える超音波ホーンと、
前記被溶着物を前記超音波ホーンとの間で溶着するための、請求項1〜6の何れか1項に記載のアンビルローラと、
前記アンビルローラが前記保持部材に対して移動可能となり、かつ、前記保持部材に対する前記アンビルローラの移動に応じて前記アンビルローラが前記被溶着物に対して転がり接触可能となるように回転軸を介して前記アンビルローラを支持する支持機構とを備えている、超音波溶着装置。
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US9943447B2 (en) * | 2013-12-26 | 2018-04-17 | Zuiko Corporation | Ultrasonic welding device |
BR112017023704A2 (pt) * | 2015-05-04 | 2018-07-31 | Gdm Spa | unidade para formar artigos absorventes higiênicos |
US10919106B2 (en) | 2017-06-09 | 2021-02-16 | General Electric Company | Ultrasonic welding of annular components |
US11919253B2 (en) * | 2022-07-21 | 2024-03-05 | Rohr, Inc. | Welding assembly and method using separately actuatable rams |
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CN1179128A (zh) * | 1995-01-31 | 1998-04-15 | 金伯利-克拉克环球有限公司 | 旋转密封系统 |
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WO2005118402A1 (de) * | 2004-06-02 | 2005-12-15 | Ferag Ag | Verfahren und vorrichtung zum verpacken von flachen objekten |
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