TWI719321B - 行李箱殼體的製造方法 - Google Patents

行李箱殼體的製造方法 Download PDF

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TWI719321B
TWI719321B TW107121157A TW107121157A TWI719321B TW I719321 B TWI719321 B TW I719321B TW 107121157 A TW107121157 A TW 107121157A TW 107121157 A TW107121157 A TW 107121157A TW I719321 B TWI719321 B TW I719321B
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shell
plastic layer
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thermosetting plastic
mold
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廖元宏
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大陸商東莞永湖複合材料有限公司
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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
    • B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
    • B29C69/02—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore of moulding techniques only
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C5/00—Rigid or semi-rigid luggage
    • A45C5/02—Materials therefor
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/10—Isostatic pressing, i.e. using non-rigid pressure-exerting members against rigid parts or dies
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/18—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
    • B29C43/183—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles the preformed layer being a lining, e.g. shaped in the mould before compression moulding, or a preformed shell adapted to the shape of the mould
    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/10—Forming by pressure difference, e.g. vacuum
    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/26—Component parts, details or accessories; Auxiliary operations
    • B29C51/266—Auxiliary operations after the thermoforming operation
    • 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
    • B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
    • B29C69/007—Lining or sheathing in combination with forming the article to be lined
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C5/00—Rigid or semi-rigid luggage
    • A45C5/03—Suitcases
    • A45C2005/037—Suitcases with a hard shell, i.e. rigid shell as volume creating element
    • 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
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/004—Shaping under special conditions
    • B29C2791/006—Using vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2063/00—Use of EP, i.e. epoxy resins or derivatives thereof, as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2101/00—Use of unspecified macromolecular compounds as moulding material
    • B29K2101/12—Thermoplastic materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/25—Solid
    • B29K2105/253—Preform
    • B29K2105/256—Sheets, plates, blanks or films
    • 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
    • B29L2031/7418—Suitcases

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  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

一種行李箱殼體的製造方法，包含利用真空成型工藝將熱塑性塑料片 材製成一殼體，並將殼體設置於一具有內凹模區的加熱模具，接著將熱固性塑料層設置於殼體內表面，之後將熱固性塑料層朝向殼體內表面擠壓，並同時加熱熱固性塑料層及殼體，使得殼體與熱固性塑料層相互結合以製成行李箱殼體的步驟。

Description

行李箱殼體的製造方法
本發明係有關於行李箱，特別是指一種行李箱殼體的製造方法。
目前市面上販售的行李箱通常係為熱塑性塑料或是鋁鎂合金的材質製成，以熱塑性塑料製成的行李箱來說，行李箱通常會由兩個半殼體所組合而成，製造商通常會在半殼體內側縫上布料，並將兩個半殼體相互樞接，並組裝上輪子及手把以製成行李箱成品，其中，當行李箱於機場運輸線運送時，可能會面臨碰撞以及掉落的狀況，因此，某些熱塑性塑料(例如ABS樹脂)製成的行李箱可能會有破裂損壞的情形發生，進而造成旅者的不便，甚至需要再購買新的行李箱進行替換，因此，習用的行李箱仍有其缺點，而有待改善。
藉此，本發明之主要目的係在於提供一種行李箱殼體的製造方法，該方法製造的行李箱具有結構強度較佳的優點。
該行李箱殼體的製造方法包含以下步驟：步驟A)利用真空成型工藝(vacuum molding method)將一熱塑性塑料片材製成一殼體，該殼體具有一外表面、一內表面以及一由該內表面圍繞出的容置區；步驟B)提供一具有一內凹模區的加熱模具，將該殼體設置於該內凹模區並使該殼體之外表面對應該內凹模區的內壁面；步驟C)將一熱固性塑料層設置於該殼體之內表面；以及步驟D)將一氣囊設置於該殼體之容置區，並使該氣囊膨脹撐抵該熱固性塑料層，同時使該加熱模具向該內凹模區內的該殼體及該熱固性塑料層進行加熱，使得該殼體及該熱固性塑料層相互結合以製成行李箱殼體。
較佳地，於步驟D中，該內凹模區加熱的溫度係介於140度~150度之間。
較佳地，於步驟A中，該熱塑性塑料片材係為透明材質。
較佳地，於步驟A或步驟B中，亦包含將一圖案以噴漆、印刷或貼標籤地方式設置於該殼體的內表面的步驟。
較佳地，於步驟A中，該真空成型工藝(vacuum molding method)係為提供一具有一模具(mold body)的真空成型設備(vacuum molding device)，並將該熱塑性塑料片材放入該真空成型設備進行加熱軟化，接著該真空成型設備產生負壓使該熱塑性塑料片材貼附於該模具表面以製成該殼體。
較佳地，於步驟C中，該熱固性塑料層係為熔融狀態。
較佳地，於步驟D中，該熱固性塑料層經該加熱模具加熱後，係固化並黏接於該殼體之內表面。
較佳地，於步驟D之後，更包含一步驟E，係將該氣囊移出該殼體之容置區，並將該行李箱殼體進行冷卻。
綜合上述說明，藉由將熱固性塑料層結合於該殼體的內表面，可補強該殼體的結構強度，不易因外力碰撞或摔落而導致破損，並且此種製造方法可根據需求的不同，將熱固性塑料層設置於該殼體內表面的特定位置(例如四個角落處)做局部的補強，不一定要將熱固性塑料層鋪滿整個殼體的內表面，藉此，不僅達到補強結構強度的功能，亦能減低行李箱殼體的整體重量。
有關本發明所提供之詳細構造、特點，將於後續的實施方式詳細說明中予以描述。然而，在本領域中具有通常知識者應能瞭解，該等詳細說明以及實施本發明所列舉的特定實施例，僅係用於說明本發明，並非用以限制本發明之專利申請範圍。
本發明一較佳實施例所提供行李箱殼體100的製造方法，係包含以下步驟：
請參考第1~2圖，步驟A中，首先利用真空成型工藝(vacuum molding method)將一熱塑性塑料片材10製成一殼體20，殼體20具有一外表面22、一內表面24以及一由內表面24圍繞出的容置區26，熱塑性塑料片材10的材料係選自PP聚丙烯、ABS樹脂(Acrylonitrile Butadiene Styrene)、PC聚碳酸酯或是其組合，當然其它的熱塑性塑料或是熱塑性塑料之組合亦為本發明所涵蓋；更進一步來說，本實施例中所提供的真空成型工藝(亦稱吸塑工藝)，係提供一種具有一模具42(mold body)的真空成型設備40(vacuum molding device)，模具42係為公模，並且公模上可設置其他輔助模具(例如凸條)以製造出不同外形的殼體20，其中，需將熱塑性塑料片材10放入真空成型設備40進行加熱軟化，接著真空成型設備40隨即產生負壓使熱塑性塑料片材10貼附於模具42表面以製成殼體20，其中，真空成型設備40加熱軟化熱塑性塑料片材10以及產生負壓使熱塑性塑料片材10貼附於模具42表面以製成殼體20的技術內容係為習知技藝，於此不再贅述，值得一提的是，通常利用真空成型設備40製作成殼體20時，殼體20的周圍會留下料邊28，如第2圖所示，因此通常會進行二度加工以切除料邊28，以形成如第3圖所示的殼體20。
接著進行步驟B，請參考第4~5圖，係提供一加熱模具50，加熱模具50具有一內凹模區52，內凹模區52的內壁面54係對應殼體20的外表面22，接著將殼體20設置於內凹模區52內，並使殼體20之外表面22對應內凹模區52的內壁面54。
另外，於其它較佳實施例中，如欲在殼體20上顯示圖案(例如商標或是造型圖案)，於步驟A中可選擇透明材質的熱塑性塑料片材10，再將熱塑性塑料片材10製成殼體20，並在步驟A或步驟B中，將一圖案以噴漆、印刷或貼標籤地方式設置於殼體20的內表面24。
接著進行步驟C，請參考第6圖，係將一熔融狀態的熱固性塑料層30設置於殼體20之內表面24，其中，熱固性塑料層30的材料係選自環氧樹脂(Epoxy resin)或聚酯(Polyester)，當然其它的熱固性塑料或是熱固性塑料之組合亦為本發明所涵蓋，於本較佳實施例中，熱固性塑料層30係設置於殼體20的全部內表面24，於其它較佳實施例中，熱固性塑料層30亦可只設置於殼體20內表面24的特定位置，例如四個角落的地方以補強殼體20最容易破損的地方。
最後進行步驟D，請參考第7~8圖，係提供一氣囊設備60，氣囊設備60具有一可膨脹之氣囊62，其中，係將氣囊62設置於殼體20的容置區26，並使氣囊62膨脹並撐抵設置於殼體20內表面24的熱固性塑料層30，使熱固性塑料層30緊抵於殼體20的內表面24，同時使加熱模具50向內凹模區52內的殼體20及熱固性塑料層30進行加熱，其中較佳的加熱溫度係介於攝氏140度~150度之間，使得熱固性塑料層30固化並黏接於殼體20的內表面24，進而使殼體20與熱固性塑料層30相互結合以製成行李箱殼體100。
較佳地，還包含一步驟E，請參考第9圖，係將氣囊62移出殼體20的容置區26，並將行李箱殼體100進行冷卻，即可完成行李箱殼體100的製造程序。
綜合上述說明，藉由將熱固性塑料層30結合於殼體20的內表面24，可補強殼體20的結構強度，不易因外力碰撞或摔落而導致破損，並且本發明所提供的製造方法可根據需求的不同，將熱固性塑料層30設置於殼體20內表面24的特定位置(例如四個角落處)做局部的補強，不一定要將熱固性塑料層30設置於殼體20的全部內表面24，藉此，不僅達到補強結構強度的功能，亦能減低行李箱殼體100的整體重量。
最後必須再次說明，本發明於前揭實施例中所揭露的構成元件，僅為舉例說明，並非用來限制本案之範圍，其他等效元件的替代或變化，亦應為本案之申請專利範圍所涵蓋。
100‧‧‧行李箱殼體10‧‧‧熱塑性塑料片材20‧‧‧殼體22‧‧‧外表面24‧‧‧內表面26‧‧‧容置區28‧‧‧料邊30‧‧‧熱固性塑料層40‧‧‧真空成型設備42‧‧‧模具50‧‧‧加熱模具52‧‧‧內凹模區54‧‧‧內壁面60‧‧‧氣囊設備62‧‧‧氣囊
第1~3圖為本發明一較佳實施例中，利用真空成型工藝將片材製成殼體的示意圖。 第4~5圖為本發明一較佳實施例中，將殼體設置於加熱模具的示意圖。 第6圖為本發明一較佳實施例中，將熱固性塑料層設置於殼體內表面的示意圖。 第7~8圖為本發明一較佳實施例中，利用氣囊撐抵熱固性塑料層的示意圖。 第9圖為本發明所提供製造方法製造出的行李箱殼體的剖視圖。
22:外表面
24:內表面
30:熱固性塑料層
50:加熱模具
54:內壁面
60:氣囊設備
62:氣囊

Claims (7)

  1. 一種行李箱殼體的製造方法，其由步驟A至步驟D所組成：該步驟A)利用真空成型工藝(vacuum molding method)將一熱塑性塑料片材製成一殼體，該殼體具有一外表面、一內表面以及一由該內表面圍繞出的容置區；該步驟B)提供一具有一內凹模區的加熱模具，將該殼體設置於該內凹模區並使該殼體之外表面對應該內凹模區的內壁面；該步驟C)將一熱固性塑料層設置於該殼體之內表面；以及該步驟D)將一氣囊設置於該殼體之容置區，並使該氣囊膨脹撐抵該熱固性塑料層，同時使該加熱模具向內凹模區內的該殼體及該熱固性塑料層進行加熱，使得該殼體及該熱固性塑料層相互結合以製成一行李箱殼體。
  2. 如申請專利範圍第1項所述的製造方法，於步驟D中，該內凹模區加熱的溫度係介於140度~150度之間。
  3. 如申請專利範圍第1項所述的製造方法，於步驟A中，該熱塑性塑料片材係為透明材質。
  4. 如申請專利範圍第1項所述的製造方法，於步驟A中，該真空成型工藝(vacuum molding method)係為提供一具有一模具(mold body)的真空成型設備(vacuum molding device)，並將該熱塑性塑料片材放入該真空成型設備進行加熱軟化，接著該真空成型設備產生負壓使該熱塑性塑料片材貼附於該模具表面以製成該殼體。
  5. 如申請專利範圍第1項所述的製造方法，於步驟C中，該熱固性塑料層係為熔融狀態。
  6. 如申請專利範圍第5項所述的製造方法，於步驟D中，該熱固性塑料層經該加熱模具加熱後，係固化並黏接於該殼體之內表面。
  7. 如申請專利範圍第1項所述的製造方法，在步驟D之後，更包含一步驟E，係將該氣囊移出該殼體之容置區，並將該行李箱殼體進行冷卻。
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