WO2022017104A1 - Table présentant des éléments de support de charge de forme spéciale et procédé de fabrication d'éléments de support de charge de forme spéciale - Google Patents

Table présentant des éléments de support de charge de forme spéciale et procédé de fabrication d'éléments de support de charge de forme spéciale Download PDF

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Publication number
WO2022017104A1
WO2022017104A1 PCT/CN2021/101483 CN2021101483W WO2022017104A1 WO 2022017104 A1 WO2022017104 A1 WO 2022017104A1 CN 2021101483 W CN2021101483 W CN 2021101483W WO 2022017104 A1 WO2022017104 A1 WO 2022017104A1
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WO
WIPO (PCT)
Prior art keywords
special
shaped load
steel
mold
manufacturing
Prior art date
Application number
PCT/CN2021/101483
Other languages
English (en)
Chinese (zh)
Inventor
倪良正
张叙俊
厉权贯
王荣生
Original Assignee
圣奥科技股份有限公司
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Filing date
Publication date
Application filed by 圣奥科技股份有限公司 filed Critical 圣奥科技股份有限公司
Publication of WO2022017104A1 publication Critical patent/WO2022017104A1/fr

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B13/00Details of tables or desks
    • A47B13/08Table tops; Rims therefor
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B13/00Details of tables or desks
    • A47B13/02Underframes
    • A47B13/06Underframes of metal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C39/00Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/14Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of indefinite length
    • B29C39/18Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of indefinite length incorporating preformed parts or layers, e.g. casting around inserts or for coating articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C39/00Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/22Component parts, details or accessories; Auxiliary operations
    • B29C39/36Removing moulded articles

Definitions

  • the invention belongs to the field of furniture, and in particular relates to a table with a special-shaped load-bearing member and a manufacturing method of the special-shaped load-bearing member.
  • the applicant proposes a table with a special-shaped load-bearing member and a manufacturing method of the special-shaped load-bearing member.
  • the present invention provides a table with a special-shaped load-bearing member and a technical scheme of a manufacturing method of the special-shaped load-bearing member.
  • the described table with special-shaped load-bearing parts is characterized by comprising a set of table legs, the table legs are matched with the special-shaped load-bearing parts, the special-shaped load-bearing parts are installed with the support part of the table board, and the table board is installed on the support part of the table board.
  • the special-shaped load-bearing parts include steel parts and PU cladding parts wrapped outside the steel parts, and PU refers to polyurethane materials.
  • the above-mentioned table with special-shaped load-bearing parts is characterized in that a set of diversion perforations for easy injection molding and a set of screw holes and threading holes for convenient connection with other components are provided on the steel parts, and the PU covering parts are provided with a set of holes. A first through hole corresponding to the screw hole and a second through hole corresponding to the threading hole are opened.
  • Step S1 Design and manufacture steel parts
  • Step S2 positioning the steel part in the mold
  • Step S3 pouring the mold, so that the pouring material surrounds the steel part, the pouring material is PU, and the mold is closed after pouring and waits for drying;
  • Step S4 demoulding to obtain special-shaped load-bearing parts.
  • the method for manufacturing a special-shaped load-bearing piece of furniture is characterized in that in the step S1, if the width of the steel plate of the steel part exceeds 300 mm, a diversion perforation is provided in the middle of the steel plate, so that the casting material can be placed in the mold cavity during pouring. diversion.
  • the method for manufacturing a special-shaped load-bearing member of furniture is characterized in that in the step S1, if the special-shaped load-bearing member needs to be connected and cooperated with other components during use, a screw hole and a screw hole for connection are provided on the steel member. needle.
  • the method for manufacturing a special-shaped load-bearing piece of furniture is characterized in that in the step S2, all screw holes and threading holes on the steel piece are blocked with screws and plugs respectively, and the length of the screws and the plugs is left longer than the length of the screw.
  • the inner wall of the mold cavity shall prevail, so that corresponding holes are formed on the formed PU covering.
  • the method for manufacturing a special-shaped load-bearing piece of furniture is characterized in that in the step S2, the inner wall of the cavity of the mold has a boss for supporting and positioning the steel piece and making it suspended, and the steel piece and the The minimum distance between the inner wall of the cavity is ⁇ 5 mm.
  • the method for manufacturing a special-shaped load-bearing piece of furniture is characterized in that in the step S2, a release agent needs to be sprayed on the surface of the cavity before placing the steel piece into the cavity of the mold.
  • the method for manufacturing a special-shaped load-bearing piece of furniture is characterized in that in the step S3, the concrete pouring is a mixture of MDI and polyisocyanate, and the pouring amount is 450-550 kg/m 3 .
  • the method for manufacturing a special-shaped load-bearing piece of furniture is characterized in that in the step S3, the drying time after the mold is poured is ⁇ 1.5 hours.
  • the special-shaped load-bearing part of the present invention has strong appearance plasticity, which can meet various design requirements; , the special-shaped load-bearing parts can be designed according to the actual bearing capacity of the parts, and hollow tubes can also be added to the steel parts for wiring and wiring of furniture products; the special-shaped load-bearing parts of the invention can be produced quantitatively, and the injection molding process can be suitable for mass production; The production cost of the invention is low.
  • Fig. 1 is the table three-dimensional structure schematic diagram of the present invention
  • Fig. 2 is a schematic view of the front structure of the table of the present invention.
  • Fig. 3 is the table decomposition structure schematic diagram of the present invention.
  • FIG. 4 is a schematic diagram of the exploded structure of the special-shaped load-bearing member of the present invention.
  • Fig. 5 is the production method flow chart of the present invention.
  • Fig. 7 is the second schematic diagram of the mold structure of the present invention, and the mold is just installed with a steel part at this time;
  • FIG. 8 is the third schematic diagram of the mold structure of the present invention, at this time, the steel part is just installed with the plug.
  • a table with a special-shaped load-bearing member includes two left and right table legs 8, and a special-shaped load-bearing member 3 is installed on the inner side of each table leg 8, and the two special-shaped load-bearing members 3 cooperate together.
  • the table support part 9 is installed, and the table board 10 is installed on the table support part 9 .
  • a set of diversion holes 100 for easy injection molding and a set of screw holes 101 and threading holes 102 for connecting with other components are provided on the steel part 1, and a first through hole 600 corresponding to the screw holes 101 is provided on the PU covering part 6 and a second through hole 601 corresponding to the threading hole.
  • Step S1 Design and manufacture steel part 1;
  • Step S2 positioning the steel part 1 in the mold 2;
  • Step S3 pour the mold 2, so that the pouring material surrounds the steel parts, the pouring material is PU, and the mold is closed after pouring and waits for drying;
  • Step S4 demoulding to obtain a special-shaped load-bearing member 3 .
  • step S1 First, the structure of the embedded steel part 1 of the special-shaped load-bearing part 3 should be designed, and the thickness and structure of the steel plate of the steel part 1 should meet the load-bearing requirements of the special-shaped part, that is, the actual steel part 1.
  • the upper part is the overall skeleton, and the external PU covering part 6 is only to meet the requirements of special-shaped appearance.
  • a diversion hole 100 should be opened in the middle of the steel plate, so that the casting material can be guided in the cavity of the mold 2 during pouring. flow. If the special-shaped load-bearing member 3 needs to be connected and matched with other components during use, the steel member 1 is provided with screw holes 101 and thread holes 102 for connection.
  • step S2 the special-shaped load-bearing member 3 is produced and processed by the mold 2 in a casting mold mode.
  • the inner wall of the mold cavity should be reserved to support the positioning of the steel part 1 and make it suspended.
  • the boss 7 , the boss 7 is specifically a nut.
  • the position and number of the boss 7 depends on the size and shape of the steel part 1.
  • the minimum distance between the steel part 1 and the inner wall of the mold 2 cavity is ⁇ 5 mm, which is less than the thickness of the steel part 1. If the PU coating 6 on the surface is too thin, it will affect its adhesion to the surface of the steel part 1, and it is easy to cause the surface PU coating 6 to fall off. moulding agent for release.
  • Step S3 is particularly cast MDI mixture and a polyisocyanate, the two form a PU material
  • MDI is a polyphenyl polymethylene polyisocyanates, referred to as PAPI, pouring amount by 450-550kg / m 3
  • PAPI polyphenyl polymethylene polyisocyanates
  • step S3 after demoulding, remove the screw 4 and the plug 5 by the way.

Landscapes

  • Tables And Desks Characterized By Structural Shape (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

Table présentant des éléments de support de charge de forme spéciale. La table comprend un ensemble de pieds de table (8). Les éléments de support de charge de forme spéciale (3) et les pieds de table (8) sont montés de manière ajustée ; des parties de support de plateau de table (9) et les éléments de support de charge de forme spéciale (3) sont montés de manière ajustée ; un plateau de table (10) est monté de manière ajustée sur les parties de support de plateau de table (9) ; et chacun des éléments de support de charge de forme spéciale (3) comprend un élément d'acier (1) et un élément d'enveloppement de PU (6) enveloppé autour de l'élément d'acier (1). Les éléments de support de charge de forme spéciale (3) présentent une plasticité d'apparence élevée et peuvent satisfaire diverses exigences de conception d'apparence différentes, et la surface de chaque élément d'enveloppement de PU (6) peut être réalisée sous la forme d'une peinture d'une seule couleur ou d'un placage collé à la main ; les éléments de support de charge de forme spéciale (3) présentent une plasticité structurale élevée et peuvent être conçus en fonction de la capacité de charge réelle d'un élément, et un tuyau creux peut en outre être disposé sur chaque élément en acier (1) de manière à être utilisé pour le câblage de meubles ; les éléments de support de charge de forme spéciale (3) peuvent être produits quantitativement, et un procédé de moulage par injection peut être approprié pour une production par lots ; et le coût de production est faible.
PCT/CN2021/101483 2020-07-24 2021-06-22 Table présentant des éléments de support de charge de forme spéciale et procédé de fabrication d'éléments de support de charge de forme spéciale WO2022017104A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010721877.5A CN111990759A (zh) 2020-07-24 2020-07-24 一种具有异形承重件的桌子及其异形承重件的制作方法
CN202010721877.5 2020-07-24

Publications (1)

Publication Number Publication Date
WO2022017104A1 true WO2022017104A1 (fr) 2022-01-27

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PCT/CN2021/101483 WO2022017104A1 (fr) 2020-07-24 2021-06-22 Table présentant des éléments de support de charge de forme spéciale et procédé de fabrication d'éléments de support de charge de forme spéciale

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CN (1) CN111990759A (fr)
WO (1) WO2022017104A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111990759A (zh) * 2020-07-24 2020-11-27 浙江圣奥家具制造有限公司 一种具有异形承重件的桌子及其异形承重件的制作方法

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CN207969850U (zh) * 2017-07-12 2018-10-16 中山市伍氏大观园家具有限公司 一种桌子
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CN111990759A (zh) * 2020-07-24 2020-11-27 浙江圣奥家具制造有限公司 一种具有异形承重件的桌子及其异形承重件的制作方法

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DE10228126A1 (de) * 2001-08-31 2003-03-20 Friedrich Blaha Tischgestellsytem mit kreuzenden Biegeträgern
KR100805214B1 (ko) * 2007-02-07 2008-02-21 주식회사 한일통상 테이블 다리조립체
CN201822219U (zh) * 2010-08-25 2011-05-11 张建国 具定位功能的折叠桌
CN201911551U (zh) * 2010-12-24 2011-08-03 名辉家具(珠海)有限公司 一种桌子
CN102973002A (zh) * 2012-12-13 2013-03-20 杨益民 学生课桌、椅软质护垫
CN207969850U (zh) * 2017-07-12 2018-10-16 中山市伍氏大观园家具有限公司 一种桌子
CN210043455U (zh) * 2018-12-29 2020-02-11 邱明强 一种新型茶几
CN111990759A (zh) * 2020-07-24 2020-11-27 浙江圣奥家具制造有限公司 一种具有异形承重件的桌子及其异形承重件的制作方法

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