TW587982B - Method for the back-moulding of sheets - Google Patents

Method for the back-moulding of sheets Download PDF

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Publication number
TW587982B
TW587982B TW091116208A TW91116208A TW587982B TW 587982 B TW587982 B TW 587982B TW 091116208 A TW091116208 A TW 091116208A TW 91116208 A TW91116208 A TW 91116208A TW 587982 B TW587982 B TW 587982B
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Taiwan
Prior art keywords
plate
cavity
wall
melt
item
Prior art date
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TW091116208A
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English (en)
Inventor
Axel Kaminski
Roland Kunzel
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Bayer Ag
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Publication of TW587982B publication Critical patent/TW587982B/zh

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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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14065—Positioning or centering articles in the mould
    • B29C45/14073—Positioning or centering articles in the mould using means being retractable during injection
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14065—Positioning or centering articles in the mould
    • B29C45/14073—Positioning or centering articles in the mould using means being retractable during injection
    • B29C2045/14081—Positioning or centering articles in the mould using means being retractable during injection centering means retracted by the injection pressure
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14065—Positioning or centering articles in the mould
    • B29C2045/14155—Positioning or centering articles in the mould using vacuum or suction
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
    • B29C2045/14303—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure progressively transferring the insert from one mould wall to the other mould wall of the mould cavity
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C2045/1486—Details, accessories and auxiliary operations
    • B29C2045/14901—Coating a sheet-like insert smaller than the dimensions of the adjacent mould wall

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)
  • Finishing Walls (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Description

587982 A7 B7 五、發明說明（1 發明所屬之技術領域 本發明係關於一種板片（特別是印刷的板片）之背概模 製(back-moulding)方法，以保護裝飾表面抗刮擦或分離。、 先前技術 就裝置配件而言，例如於熱塑性模製物件(例如供手持 電子設備用）表面上之額定標籤板，已知係提供板片於射 出成形工具機的模具中並置於固定框架内，以及藉著使熱 10 15 經濟部智慧財產局員工消費合作社印製 20 塑料射於其上以便連接至模製物件。二種已知方法，即將 板片放在模穴内壁之凹口中或將板片放在模框架(係包圍 模穴中的板片）中，造成板片邊緣未受到熱塑料 製物件。 犋 發明内容 本發明之目的係提供一種射出成形之方法，其容 於模穴中之板片的邊緣得到保護作用，因而機作 之可能的撞擊表面，特別是在板片的邊緣上。錢作用 根據本發明，此目的係藉由一個事實而達成 助於改良的射出成形模具設計，板片部分地固定於一开^ =見的模製物件表面之半模具中，並且於模製/， 糟“斷前進的熱塑料之前部，板片被逐漸地 的核具側上’使得板片之周界邊緣受到塑料包圍。、 本發於—種在射出成形裝置中，特 有印刷的板片，使用熱塑料進行背概模製之方法 91267A-接 587982 A7 B7 五、發明說明（2 ) 10 15 經濟部智慧財產局員工消費合作社印製 20 在於板片係先置於一射出成形模具之模穴中，並使將會與 炼體知部相遇之板片邊緣靠抵於模穴之一内壁上，而該板 片的其餘部分則保持與該内壁分離，且其特徵在於該板片 與該内壁分離之部分係受在該模穴中不斷前進之進入熔體 的前部推動而壓靠於模穴内壁、，同時釋除對該板片之支 持，以使該板片之其餘部分亦靠抵於該模穴之内壁。 一較佳方法為，於該熔體進入模穴之前，在升降器輔 助下，使板片靠著模穴之内壁，並且當熔體進入時，使升 降器撤回。 板片材料係選自以下列舉之塑料為優選：聚碳酸酯、 聚胺基甲酸酯、聚酯、聚氯乙烯。 在較佳的方法中，聚碳酸酯用作板片材料。 熱塑料係為選自以下列舉者為優選：聚醯胺、聚酯、 聚胺基甲酸酯、苯乙烯共聚合物、聚伸苯基氧化物、聚碳 酸酯、聚硫化乙烯、聚氣乙烯、聚胺基甲酸酯或該等聚合 物之可能的混合物。 聚醯胺或聚碳酸酯較佳用作熱塑料。 在本發明之另一個較佳的具體實施例中，於該熔體進 入之前，特別是利用一在減壓下的燒結塊，使該板片之背 向該熔體前部之下方部分被保持靠抵於與内壁相對之一模 穴内壁上，並且當該熔體前部於模穴中前進時釋放板片。 在本發明之另-個特佳的實施例中，於該溶體進入之 前，在至少一個可自該模穴撤回之制動器輔助下（較佳為 使用至少二個下方制動器及一個側向制動器），在該板片 訂 -4- 587982 A7 B7 五 、發明說明（3 ) 之背向該熔體前部之下方端部處來定位該板片。 於根據本發明之方法輔助下，於射出成形過程中使例 如額定標籤板或裝飾板片被模製在模製物件上成為可能 的，並且可避免後續的黏附結合製程。此排除額外的加工 5步驟之需要性。當使用在板片其背側有印刷之板片（特別 是透明板片）時，邊緣包覆作用使得保護裝飾物免於磨蝕 及機械分離成為可能。 本發明將藉由後附圖式更詳細地說明。 1〇 實施 實例_ 15 經濟部智慧財產局員工消費合作社印製 圖1顯示射出成形模具2之打開的模穴丨的橫截面， 其中板(-種在其背面有印刷之EPC板片）係在一邊緣 (即圖1之下方邊緣)上藉由在射出成形模具内壁9上之彈 簧承載的推進器11而保持住’而板片7之另—端(其邊緣 朝向熱塑料3之入口通道)則藉由另一個彈菁承載的推進 器8舉起，並且當模穴丄閉合時，板片7靠向模穴之相對 内壁5上，此處將是板片7的最終位置。 20 圖2顯示，於熱塑料3進入後，不斷前進的熱塑料3 錢:一 之内壁5。同時，使彈簣承 ▲ 為 1撤回’接著熱塑料(聚醯胺6)之溶 體前部3進一步於槿穴彳中益、仓 地靠著模穴之=巾_，並鳩繼7平順 在圖3中，可發現板片7之下端自定位鎖U離開。 587982 A7 B7 五、發明說明（4) 接著模穴1完全地填充熱塑料3，板片7之邊緣受到熱塑 料3包覆。藉著打開模穴1(如圖5所示）及頂出完成的模 製品，製造循環便完成。 圖6及6a以橫截面示意地顯示板片7之邊緣包覆情 5 形。板片的邊緣完全被熱塑料3包圍，因此不會有受到任 何機械移除板(板片7)或側向抽出板片7背側之印刷物之 攻擊之可能性。 圖式簡單說明 10 圖1顯示具有模穴之打開的模具（當板片放入時）。 圖2顯示當熱塑料進入時，模穴之橫截面。 圖3顯示進一步之階段，其中板片端部自定位銷離 開。 圖4顯示自模穴撤回第二夾銷期間之橫截面。 15 圖5顯示打開模穴以取出模製物件。 圖6顯示模製物件之橫截面。 圖6a顯示圖6之放大細部圖。 經濟部智慧財產局員工消費合作社印製 圖式主要元件之代號說明 20 1模穴 2模具 3熱塑料(熔體前部） 4邊緣 5模穴内壁 -6- 本紙張尺度適用中國國家標準(CNS)A4規格（210 X 297公釐） 587982 A7 _B7 五、發明說明（5 ) 7板片 8推進器（升降器） 9模穴内壁 10燒結塊 5 11制動器（定位銷） 經濟部智慧財產局員工消費合作社印製 本紙張尺度適用中國國家標準(CNS)A4規格（210x297公釐）

Claims (1)

  1. 2 8 9 、 ο IX 經濟部智慧財產局員工消費合作社印製 20 A8 B8 C8 --------D8 _ ’ 專利申請案第91116280號 ROC Patent Appln. No.91116280 修正後無劃線之申請春利範圍中文本一附件（一） Amended Claims in Chinese - Enel. I (民國93年4月 > 日送呈） (Submitted on April > ，2004) 1 · 一種供特別是在背面有印刷的板片在射出成形裝置中 使用熱塑料來背襯模製的方法，其特徵在於板片（7)係 置於一射出成形工具機（2)之模穴（1)中，且置放方式 係：於熔化的熱塑料進入前，使將會與熔體前部（3)相 遇之板片的邊緣(4)靠著模穴（1)之内壁(5)，而該板片的 其餘部分則保持與該内壁分離，且其特徵在於該板片 (7)與該内壁分離之部分(6)係藉由在該模穴（1)中不斷前 進之進入的熔體而抵靠於該内壁（5)，同時釋放對該板 片（7)之支持，以使該板片（7)之其餘部分亦抵靠於該模 穴（1)之内壁（5)。 2. 如申請專利範圍第1項之方法，其特徵係在該熔體(3) 進入該模穴（1)之前，該板片係在升降器（8)輔助下，抵 靠於該模穴（1)之内壁（5)，並且當熔體進入時，使該升 降器（8)撤回。 3. 如申請專利範圍第1或2項之方法，其特徵在於板片 的材料係選自以下列舉之塑料：聚碳酸酯、聚胺基曱 酸酯、聚酯、聚氣乙烯。 4·如申請專利範圍第1或2項之方法，其特徵在於該熱 塑料係為選自以下列舉者：聚醯胺、聚酯、聚胺基曱 酸酿、苯乙烯共聚合物、聚伸苯基氧化物、聚碳酸 西旨、聚硫化乙烯、聚氣乙烯、聚胺基甲酸酯或該等聚 本紙張尺度適用中國國家標準(CNS)A4規格（21〇 χ 297公爱） 91267B-接 587982 A8 B8 C8 D8
    申請專利範圍 合物之可能的混合物。 将利耗圍第3項之方法，其特徵在於聚碳酸酿 係用作該板片材料。 6·如申請專利範圍第 聚碳其減在於聚酿胺或 10 1或2項之枝，其雜在於於該 fey之前，使用在減壓下的燒結塊（10)，使該 盘内Hr炫體別部（3)之下方部分⑹被保持並抵靠於 目對之购穴⑴之内壁(9)，並且當該溶體前 部⑺於模穴⑴中前進時釋放該板片。 利，第1或2項之方法，其特徵在於於該 器απ^Γ刖，i在至少一個可自該模穴（1)撤出之制動 。下（車又佳為使用至少二個下方制動器及一個 15 4 訂· 將該板片在其背向贿體前部之下方端 予以定位。 經濟部智慧財產局員工消費合作社印製
    本’氏張尺度咖中11 ®家鮮(CNS)A4規格 (210x297 公釐）
TW091116208A 2001-07-23 2002-07-22 Method for the back-moulding of sheets TW587982B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10135816A DE10135816A1 (de) 2001-07-23 2001-07-23 Verfahren zum Hinterspritzen von Folien

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TW587982B true TW587982B (en) 2004-05-21

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US (1) US7276197B2 (zh)
EP (1) EP1412155B9 (zh)
JP (1) JP4295090B2 (zh)
KR (1) KR100876269B1 (zh)
CN (1) CN100430204C (zh)
AT (1) ATE435107T1 (zh)
BR (1) BR0211339A (zh)
CA (1) CA2454411C (zh)
DE (2) DE10135816A1 (zh)
MX (1) MXPA04000624A (zh)
TW (1) TW587982B (zh)
WO (1) WO2003011555A1 (zh)

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EP0546234A1 (en) 1991-12-12 1993-06-16 Ab Cerbo An arrangement in moulding tools intended for the injection moulding of a container while simultaneously affixing a label or the like thereto
NL1010605C2 (nl) 1998-11-20 2000-05-23 Schoeller Wavin Trepak B V Door spuitgieten vervaardigde kunststof krat.
JP2001038766A (ja) 1999-07-29 2001-02-13 Toyota Autom Loom Works Ltd 射出成形型のフィルム又はシート保持装置

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MXPA04000624A (es) 2004-06-25
US20040169315A1 (en) 2004-09-02
CA2454411C (en) 2010-12-21
WO2003011555A1 (de) 2003-02-13
ATE435107T1 (de) 2009-07-15
EP1412155A1 (de) 2004-04-28
CA2454411A1 (en) 2003-02-13
JP2004535959A (ja) 2004-12-02
CN1535200A (zh) 2004-10-06
KR100876269B1 (ko) 2008-12-26
EP1412155B1 (de) 2009-07-01
JP4295090B2 (ja) 2009-07-15
US7276197B2 (en) 2007-10-02
CN100430204C (zh) 2008-11-05
DE10135816A1 (de) 2003-02-06
EP1412155B9 (de) 2009-09-16

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