WO2019227409A1 - Procédé de fabrication d'un corps de valise - Google Patents

Procédé de fabrication d'un corps de valise Download PDF

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Publication number
WO2019227409A1
WO2019227409A1 PCT/CN2018/089302 CN2018089302W WO2019227409A1 WO 2019227409 A1 WO2019227409 A1 WO 2019227409A1 CN 2018089302 W CN2018089302 W CN 2018089302W WO 2019227409 A1 WO2019227409 A1 WO 2019227409A1
Authority
WO
WIPO (PCT)
Prior art keywords
plastic layer
thermosetting plastic
casing
shell
manufacturing
Prior art date
Application number
PCT/CN2018/089302
Other languages
English (en)
Chinese (zh)
Inventor
廖元宏
吴樹春
Original Assignee
东莞永湖复合材料有限公司
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 东莞永湖复合材料有限公司 filed Critical 东莞永湖复合材料有限公司
Priority to PCT/CN2018/089302 priority Critical patent/WO2019227409A1/fr
Publication of WO2019227409A1 publication Critical patent/WO2019227409A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C5/00—Rigid or semi-rigid luggage
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C5/00—Rigid or semi-rigid luggage
    • A45C5/03—Suitcases
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C5/00—Rigid or semi-rigid luggage
    • A45C5/04—Trunks; Travelling baskets
    • 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
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B11/00—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding

Definitions

  • the invention relates to a luggage case, in particular to a method for manufacturing a luggage case.
  • the suitcases currently on the market are usually made of thermoplastic or aluminum-magnesium alloy.
  • the suitcase is usually composed of two half-shells. Manufacturers usually The fabric will be sewn on the inside of the half shell, the two half shells will be pivoted to each other, and the wheels and handles will be assembled to make the finished luggage.
  • thermoplastics such as ABS resin
  • the main object of the present invention is to provide a method for manufacturing a luggage case.
  • the luggage manufactured by this method has the advantage of better structural strength.
  • the manufacturing method of the luggage case includes the following steps: Step A. Using a vacuum molding method, a thermoplastic sheet is made into a case, the case having an outer surface, an inner surface, and a The accommodating area surrounded by the inner surface; Step B. Provide a heating mold with an inner cavity area, set the shell on the inner cavity area and make the outer surface of the shell correspond to the inner cavity area. Step C. A thermosetting plastic layer is disposed on the inner surface of the casing; and Step D.
  • An airbag is disposed in the accommodating area of the casing, and the balloon is expanded to support the thermosetting plastic layer, At the same time, the heating mold is heated to the shell and the thermosetting plastic layer in the cavity mold area, so that the shell and the thermosetting plastic layer are combined with each other to make a luggage shell.
  • the heating temperature of the inner cavity area is between 140 degrees and 150 degrees.
  • thermoplastic plastic sheet is a transparent material.
  • step A or step B a step of providing a pattern on the inner surface of the casing by spray painting, printing or labeling is also included.
  • the vacuum molding method is to provide a vacuum molding device having a mold body, and the thermoplastic sheet is placed in the vacuum molding device. After heating and softening, the vacuum forming apparatus generates negative pressure to attach the thermoplastic sheet to the surface of the mold to form the casing.
  • thermosetting plastic layer is in a molten state.
  • step D after the thermosetting plastic layer is heated by the heating mold, it is cured and adhered to the inner surface of the casing.
  • a step E is further included to remove the airbag from the accommodating area of the casing, and cool the luggage case.
  • thermosetting plastic layer on the inner surface of the casing, the structural strength of the casing can be strengthened, and it is not easy to be damaged due to external force collision or fall, and this manufacturing method can be based on different needs,
  • the thermosetting plastic layer is provided at a specific position (for example, at four corners) on the inner surface of the casing for local reinforcement. It is not necessary to cover the entire inner surface of the casing with the thermosetting plastic layer. According to this, not only the reinforcing structure is achieved.
  • the strength function can also reduce the overall weight of the luggage case.
  • FIGS. 1 to 3 are schematic diagrams of forming a sheet material into a shell by using a vacuum forming process in a preferred embodiment of the present invention.
  • Figures 4 to 5 are schematic diagrams of a housing set in a heating mold in a preferred embodiment of the present invention.
  • FIG. 6 is a schematic diagram of a thermosetting plastic layer provided on the inner surface of the casing in a preferred embodiment of the present invention.
  • FIGS. 7 to 8 are schematic diagrams of using a balloon to support a thermosetting plastic layer in a preferred embodiment of the present invention.
  • FIG. 9 is a cross-sectional view of a luggage case manufactured by a manufacturing method provided by the present invention.
  • thermoplastic sheet 20 housing
  • the manufacturing method of the luggage case 100 includes the following steps:
  • a vacuum molding process is first used to form a thermoplastic sheet 10 into a casing 20.
  • the casing 20 has an outer surface 22, an inner surface 24, and An accommodation area 26 surrounded by the inner surface 24.
  • the material of the thermoplastic sheet 10 is selected from PP polypropylene, ABS resin (Acrylonitrile Butadiene Styrene), PC polycarbonate or a combination thereof, of course, other thermoplastics or thermoplastics
  • the vacuum forming process also referred to as a blister process
  • the vacuum forming process also referred to as a blister process
  • the vacuum forming process also referred to as a blister process
  • the vacuum forming process also referred to as a blister process
  • the vacuum forming process provides a vacuum forming apparatus 40 (vacuum) having a mold 42 (mold body) molding device), the mold 42 is a male mold, and other auxiliary molds (such as convex strips) can be provided on the male mold to produce different-shaped shells 20, in which the thermoplastic sheet 10 needs to
  • the technical content of the material 10 and the generation of negative pressure to attach the thermoplastic sheet 10 to the surface of the mold 42 to form the casing 20 is a well-known technology, which will not be repeated here. It is worth mentioning that it is usually produced by using a vacuum forming apparatus 40 When the casing 20 is formed, a material edge 28 is left around the casing 20, as shown in FIG. 2, so a second degree processing is usually performed to cut off the material edge 28 to form the casing 20 as shown in FIG. 3. .
  • a heating mold 50 is provided.
  • the heating mold 50 has an inner cavity area 52.
  • the inner wall surface 54 of the inner cavity area 52 corresponds to the outer surface 22 of the housing 20.
  • the housing 20 is disposed in the female cavity area 52, and the outer surface 22 of the housing 20 corresponds to the inner wall surface 54 of the female cavity area 52.
  • a transparent thermoplastic sheet 10 may be selected in step A, and then the thermoplastic sheet 10 is made.
  • the shell 20 is formed, and in step A or step B, a pattern is provided on the inner surface 24 of the shell 20 by spray painting, printing, or labeling.
  • thermosetting plastic layer 30 is disposed on the inner surface 24 of the housing 20.
  • the material of the thermosetting plastic layer 30 is selected from epoxy resin or polyester. (Polyester) Of course, other thermosetting plastics or combinations of thermosetting plastics are also covered by the present invention.
  • the thermosetting plastic layer 30 is disposed on the entire inner surface 24 of the housing 20, in other preferred embodiments.
  • the thermosetting plastic layer 30 may also be disposed only at a specific position on the inner surface 24 of the casing 20, for example, four corners to reinforce the most easily damaged places of the casing 20.
  • an airbag device 60 is provided.
  • the airbag device 60 has an inflatable airbag 62.
  • the airbag 62 is disposed in the accommodating area 26 of the housing 20 and the airbag 62 is provided.
  • the thermosetting plastic layer 30 for heating wherein the preferred heating temperature is between 140 ° C and 150 ° C, so that the thermosetting plastic layer 30 is cured and adhered to the inner surface 24 of the casing 20, so that the casing 20 and the thermosetting plastic
  • the layers 30 are combined with each other to make a luggage case 100.
  • a step E is also included.
  • the airbag 62 is moved out of the accommodating area 26 of the housing 20 and the luggage case 100 is cooled to complete the manufacturing process of the luggage case 100.
  • thermosetting plastic layer 30 by combining the thermosetting plastic layer 30 to the inner surface 24 of the casing 20, the structural strength of the casing 20 can be strengthened, and it is not easy to be damaged due to impact or drop by external forces. Furthermore, the manufacturing method provided by the present invention can According to different requirements, the thermosetting plastic layer 30 is provided at a specific position (for example, at four corners) of the inner surface 24 of the casing 20 for local reinforcement, and the thermosetting plastic layer 30 is not necessarily provided in the entirety of the casing 20 The surface 24 can not only achieve the function of reinforcing the structural strength, but also reduce the overall weight of the luggage case 100.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

La présente invention concerne un procédé de fabrication d'un corps de valise, comprenant les étapes consistant à : utiliser un procédé de moulage sous vide pour produire à partir d'une feuille de plastique thermoplastique une ébauche de corps de valise, disposer l'ébauche de corps de valise dans une matrice de chauffage comportant une zone de matrice concave, puis disposer une couche de plastique thermodurcissable au niveau de la surface interne de l'ébauche de corps de valise, avant d'extruder la couche de plastique thermodurcissable en direction de la surface interne de l'ébauche de corps de valise, tout en chauffant simultanément la couche de plastique thermodurcissable et l'ébauche de corps de valise, de telle sorte que l'ébauche de corps de valise et la couche de plastique thermodurcissable se combinent l'une à l'autre de façon à produire un corps de valise.
PCT/CN2018/089302 2018-05-31 2018-05-31 Procédé de fabrication d'un corps de valise WO2019227409A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/089302 WO2019227409A1 (fr) 2018-05-31 2018-05-31 Procédé de fabrication d'un corps de valise

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/089302 WO2019227409A1 (fr) 2018-05-31 2018-05-31 Procédé de fabrication d'un corps de valise

Publications (1)

Publication Number Publication Date
WO2019227409A1 true WO2019227409A1 (fr) 2019-12-05

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PCT/CN2018/089302 WO2019227409A1 (fr) 2018-05-31 2018-05-31 Procédé de fabrication d'un corps de valise

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WO (1) WO2019227409A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230062340A1 (en) * 2019-12-21 2023-03-02 Roctool Method and tool for manufacturing a quadrangular shell made of composite material

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1483495A (zh) * 2002-09-19 2004-03-24 上海昌明体育运动场地材料有限公司 热塑性增强纤维羽毛拍及其制造方法
CN101486256A (zh) * 2008-01-18 2009-07-22 明安国际企业股份有限公司 交通工具座椅的扶手的制造方法及其产品
CN101823334A (zh) * 2009-03-02 2010-09-08 侯议顺 个性化箱包及其真空成型方法
CN201982429U (zh) * 2010-12-10 2011-09-21 烟台正海汽车内饰件有限公司 面料贴合装置
CN205180614U (zh) * 2015-11-04 2016-04-27 东莞永湖复合材料有限公司 轻便耐用型行李箱

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1483495A (zh) * 2002-09-19 2004-03-24 上海昌明体育运动场地材料有限公司 热塑性增强纤维羽毛拍及其制造方法
CN101486256A (zh) * 2008-01-18 2009-07-22 明安国际企业股份有限公司 交通工具座椅的扶手的制造方法及其产品
CN101823334A (zh) * 2009-03-02 2010-09-08 侯议顺 个性化箱包及其真空成型方法
CN201982429U (zh) * 2010-12-10 2011-09-21 烟台正海汽车内饰件有限公司 面料贴合装置
CN205180614U (zh) * 2015-11-04 2016-04-27 东莞永湖复合材料有限公司 轻便耐用型行李箱

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230062340A1 (en) * 2019-12-21 2023-03-02 Roctool Method and tool for manufacturing a quadrangular shell made of composite material

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