WO2019031691A1 - Base comprenant une fonction de refroidissement d'imprimante 3d - Google Patents

Base comprenant une fonction de refroidissement d'imprimante 3d Download PDF

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Publication number
WO2019031691A1
WO2019031691A1 PCT/KR2018/005868 KR2018005868W WO2019031691A1 WO 2019031691 A1 WO2019031691 A1 WO 2019031691A1 KR 2018005868 W KR2018005868 W KR 2018005868W WO 2019031691 A1 WO2019031691 A1 WO 2019031691A1
Authority
WO
WIPO (PCT)
Prior art keywords
base
molding
printer
molded
cooling
Prior art date
Application number
PCT/KR2018/005868
Other languages
English (en)
Korean (ko)
Inventor
이산홍
김재영
김성민
김정한
Original Assignee
(주)엘에스비
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 (주)엘에스비 filed Critical (주)엘에스비
Priority to CN201890001070.0U priority Critical patent/CN212124201U/zh
Publication of WO2019031691A1 publication Critical patent/WO2019031691A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
    • 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
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/245—Platforms or substrates
    • 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
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/10—Processes of additive manufacturing
    • B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
    • 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
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/10—Processes of additive manufacturing
    • B29C64/141—Processes of additive manufacturing using only solid materials
    • 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
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/205—Means for applying layers
    • B29C64/209—Heads; Nozzles
    • 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
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/295—Heating elements
    • 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
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/30—Auxiliary operations or equipment
    • B29C64/379—Handling of additively manufactured objects, e.g. using robots
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
    • B33Y40/20—Post-treatment, e.g. curing, coating or polishing

Definitions

  • the present invention relates to a base of a 3D printer, and more particularly, to a 3D printer, which is capable of easily and easily separating a molded product from a base by selectively heating or cooling the product, Quot; function "
  • a 3D printer refers to a device for stacking layers of a small thickness while sequentially injecting predetermined materials based on a three-dimensional drawing and outputting a three-dimensional shape of a real object.
  • a typical 3D printer includes a cavity for forming a molding inside a case, an extrusion portion for extruding a raw material to be molded in the cavity, a carriage having the extrusion portion, a moving portion for moving the carriage, And a base on which the molding is molded while a raw material extruded from the extrusion portion is stacked on the cavity.
  • the main raw materials used in 3D printers are mainly synthetic resin as well as metal. In some cases, raw materials such as chocolate, which is a type of food, are also used.
  • the extruding portion is usually provided with a heating means and a cooling means for discharging the raw material.
  • the base also has a heating means for separating the molding material formed by the raw material, in particular, a molding material formed of synthetic resin, so as to be easily separated.
  • cooling is required due to the characteristics of the material.
  • the heating means is provided at the base but the cooling means is not provided. , It is troublesome and inconvenient that the operator has to forcibly remove it from the base using a tool such as a knife or the like.
  • Prior art related to conventional 3D printers includes Korean Patent Laid-Open Publication No. 10-2013-0099865 (hereinafter referred to as "Prior Art Document 1”) and Korean Patent Publication No. 10-2016-0021540 (hereinafter referred to as "Prior Art Document 2" (Hereinafter referred to as " Prior Art Document 3 ") and Korean Patent Publication No. 10-1760832 (hereinafter referred to as " Prior Art Document 4 ")), Korean Patent Publication No. 10-2016-0111578 There is a bar.
  • Patent Document 1 Korean Patent Laid-Open Publication No. 10-2013-0099865
  • Patent Document 2 Korean Patent Laid-Open Publication No. 10-2016-0021540
  • Patent Document 3 Korean Patent Laid-Open Publication No. 10-2016-0111578
  • Patent Document 4 Korean Patent Publication No. 10-1760832
  • the prior art document 1 has a structure in which heating and cooling fluids are circulated in a molding tool constituting a molding assembly, and the structure is complicated, and it is not suitable for application to a 3D printer for molding a molding by ordinary compression I have.
  • the prior art documents 2 to 4 have disadvantages in that they are not suitable for application to the base on which the raw material to be extruded is formed because the extruding means in which the raw material is extruded is provided with the cooling portion.
  • a method of manufacturing a molded product comprising: forming a base on a base; And a base including a cooling function for a printer.
  • Another specific object of the present invention is to enable direct cooling of a molding to be formed on a base.
  • a 3D printer comprising: a base which is formed so that a raw material extruded from an extrusion portion of a 3D printer is stacked and formed into a molding, And a Peltier element which can be heated or cooled according to the material of the molding to be formed while being stacked on the upper surface.
  • the base further includes a cool air supply portion for supplying the cool air to the upper side of the base upon cooling by the Peltier element.
  • the cool air supply unit includes a connection pipe connected to the cooler to supply cool air to the upper portion of the base, and an injection nozzle provided at an end of the connection pipe, and a blower Includes a fan.
  • connection tube is formed to have flexibility in the form of a double tube.
  • the present invention it is possible to easily and easily separate the formed molding from the base by selectively heating or cooling the molding according to the material of the molding to be formed on the base, so that it is damaged or broken when separated according to the material of the molding formed on the base So that it is possible to easily perform the separation without the need.
  • the molding efficiency of the molding can be further improved in a short time, and more precise molding can be achieved.
  • FIG. 2 is a sectional view for explaining a use state according to FIG. 1,
  • FIG. 3 is a cross-sectional view for explaining another embodiment of the present invention.
  • FIG. 4 is a cross-sectional view for explaining a use state according to FIG.
  • FIG. 1 is a partial cross-sectional view for explaining the present invention
  • FIG. 2 is a sectional view for explaining a use state according to FIG.
  • a base 100 provided in a known 3D printer is a component that is formed so that raw materials extruded from the extrusion unit 200 are laminated and molded into a molding material.
  • a typical 3D printer has a known technical structure, and includes a cavity, which is a space for forming a molding inside a case (not shown), an extrusion portion in which the material to be molded is extruded in the cavity, A control unit for controlling the extruding unit and the moving unit, and a base on which the molding material is molded while the raw materials extruded from the extrusion unit are stacked on the cavity.
  • raw materials used in 3D printers are not only metals and synthetic resins, but also chocolates, which are food raw materials.
  • a heating means is provided in a conventional base of the 3D printer, and if the raw material of the molding to be molded is a synthetic resin, the molding completed can be easily separated.
  • the present invention provides a simple and easy separation of a molding from a base by selectively heating or cooling the molding according to the material of the molding to be formed on the base.
  • the base 100 provided in the 3D printer according to the present invention includes a Peltier element 10 that can be heated or cooled depending on the material of the molding 110 to be molded while being stacked on the upper surface in a hollow box shape, And includes the built-in.
  • the filter element 10 can be installed on a conventional bracket, a spacer or a guide rail inside the base 100, and is preferably provided on a guide rail so as to be easily carried out. .
  • the Peltier element 10 uses a phenomenon in which a temperature difference is maintained at both ends of a conductive material layer when an electric current is applied.
  • a hot portion on the opposite side requiring low-temperature cooling is forcibly cooled, .
  • the principle of conservation of energy is that one side gets cold and the other gets hot.
  • the basic principle is that electrons need energy to move between two metals with potential difference, and the energy that is needed here is taken from the energy of the metal.
  • the flow of holes is reversed, and as a result, the side that emits / absorbs heat also reverses.
  • the base 10 is preferably made of a metal material having excellent thermal conductivity, and ceramic or the like may be used if necessary.
  • a known one-way check valve (not shown) is provided on either one of the upper surface and the side surface of the base so that when the inside of the base is heated or cooled to a set temperature or more, the discharge can be easily performed to the outside.
  • a conventional temperature sensor capable of sensing the internal temperature of the base may be provided in the base.
  • a door 102 which is opened or closed by a known method so that the Peltier element 10 can be drawn out on one side surface or the bottom surface of the base 10, Do. That is, when an abnormality occurs in the Peltier element incorporated in the base, the door is provided so that it can be easily and easily replaced.
  • the raw material extruded from the extruding part is sequentially laminated on the upper surface of the base by the basic process of the 3D printer, and the extruded part is moved along the input shape to form a required molding.
  • the upper surface of the base is heated by using a Peltier element provided inside the base So that the molded product is smoothly separated from the upper surface of the base.
  • the molding formed on the upper surface of the base requires cooling such as chocolate, which is a kind of food
  • the upper surface of the base is cooled by using the Peltier element provided inside the base, And separation of the molded molding can be smoothly performed.
  • the Peltier element can be turned ON / OFF in a known manner by a manual operation of an operator, and can be connected to a controller of a 3D printer to enable heating or cooling by an automatic method depending on the material of the molding to be formed .
  • the Peltier element capable of being heated and cooled can be built in the basic technical structure, that is, the base can be heated or cooled depending on the material of the molding to be formed on the upper surface of the base It is possible to further enhance the ease of use and to have an excellent efficiency in that the molding formed on the upper surface of the base can be safely and easily separated without being damaged or damaged.
  • FIG. 3 is a cross-sectional view for explaining another embodiment of the present invention
  • FIG. 4 is a cross-sectional view for explaining a use state according to FIG.
  • the present invention also provides a technical structure that makes it easier to mold a molding when molding a molding using a raw material such as chocolate, which is food.
  • the base 100 further includes a cool air supply portion 20 for supplying the cool air to the upper side of the base 100 when cooled by the Peltier element 10.
  • the cold air supply unit 20 includes a connection pipe 24 including an on-off valve 22 on the side of the base 100 and connected to supply cool air to the upper portion of the base 100, And an air blowing fan 28 for supplying cold air to the inside of the base 100.
  • the connecting tube 24 is formed to have flexibility in the form of a double tube. That is, the connection pipe 24 is composed of a supply tube 24A to which cool air is supplied, and a general corrugated pipe or a bellows type protective tube 24B surrounding the outer circumferential surface of the supply tube 24A .
  • the cooling air is supplied through the injection nozzle 26 provided at the end of the connection pipe 24 which is the cool air supply part 20 when the molding is to be molded by the chocolate as a kind of food which is a material of the molding object 110 to be molded, It is possible to supply the cool air to the molding objects 110 which are to be formed by the molding process.
  • the chocolate raw material to be compressed in the extruding part must be rapidly cooled and simultaneously formed as a result of being extruded in a powdery or liquid state, and continuously formed to be laminated.
  • connection pipe is also allowed to have fluidity freely according to the molding position of the molding, so that cold supply to the exact position required can be achieved. Accordingly, the position of the injection nozzle provided at the end of the connection pipe can be positioned at an accurate position according to the molding position, so that the cooling can be performed quickly.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Optics & Photonics (AREA)
  • Robotics (AREA)
  • Confectionery (AREA)

Abstract

L'invention concerne une base ayant une fonction de refroidissement d'imprimante 3D, qui a un élément Peltier intégré disposé sous la forme d'une boîte interne creuse et effectuant un chauffage ou un refroidissement selon le matériau d'une sculpture moulée en étant empilée sur sa surface supérieure, de façon telle que la sculpture moulée peut être séparée simplement et facilement de la base par chauffage et refroidissement sélectifs selon le matériau d'une sculpture à mouler sur la base. Par conséquent, la présente invention a pour effet de permettre une séparation facile sans endommagement ou rupture pendant la séparation par le matériau de la sculpture moulée sur la base.
PCT/KR2018/005868 2017-08-08 2018-05-24 Base comprenant une fonction de refroidissement d'imprimante 3d WO2019031691A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201890001070.0U CN212124201U (zh) 2017-08-08 2018-05-24 包括冷却功能的3d打印机用底座

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2017-0100330 2017-08-08
KR1020170100330A KR101958700B1 (ko) 2017-08-08 2017-08-08 3d 프린터용 냉각 기능을 포함하는 베이스

Publications (1)

Publication Number Publication Date
WO2019031691A1 true WO2019031691A1 (fr) 2019-02-14

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PCT/KR2018/005868 WO2019031691A1 (fr) 2017-08-08 2018-05-24 Base comprenant une fonction de refroidissement d'imprimante 3d

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KR (1) KR101958700B1 (fr)
CN (1) CN212124201U (fr)
WO (1) WO2019031691A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102217023B1 (ko) * 2020-05-19 2021-02-18 주식회사 메디팹 펠티에 소자와 히터를 사용하는 3d 프린터
KR102332535B1 (ko) * 2020-07-17 2021-12-01 비즈 주식회사 표면 평탄화가 가능한 와이어 아크 직접에너지적층 3d 프린팅 장치
KR102557933B1 (ko) 2020-12-18 2023-07-21 경일대학교산학협력단 식재료 적층에 따라 냉각 조건을 변경할 수 있는 냉각 베이스를 구비한 3차원 푸드 프린터
CN114701164B (zh) * 2022-04-01 2023-11-10 安徽中科祥晟科技有限公司 一种恒温3d打印机

Citations (5)

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KR20010022761A (ko) * 1998-06-11 2001-03-26 다카노 야스아키 냉매 회수 장치, 냉매 회수 방법, 냉매 회수 장치를 갖춘 냉동 장치, 냉매 회로내의 냉매의 제어 방법 또는 냉매회수 장치의 재생 장치 및 재생 방법
KR20070114097A (ko) * 2007-11-07 2007-11-29 엘지전자 주식회사 휴대용 냉방장치
KR20140102240A (ko) * 2011-12-08 2014-08-21 메이커보트 인더스트리즈, 엘엘씨 네트워크 연결된 3차원 인쇄
KR101471078B1 (ko) * 2013-05-30 2014-12-09 홍국선 세포배양액과 세포지지체 성형액이 함께 배출되는 세포지지체 성형장치
KR20160009229A (ko) * 2014-07-16 2016-01-26 김한성 3d 프린터의 필라멘트와 필라멘트 사출기 냉각 장치

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US20130220572A1 (en) 2012-02-29 2013-08-29 Ford Motor Company Molding assembly with heating and cooling system
KR102209307B1 (ko) 2014-08-18 2021-01-28 엘지전자 주식회사 3ｄ 프린터
KR20160111578A (ko) 2015-03-16 2016-09-27 한국생산기술연구원 다단 냉각 및 가공 방식 3차원 성형물 제조 장치 및 그 방법
KR101760832B1 (ko) 2015-11-23 2017-07-24 옥은택 아크 용접방식을 갖는 3d 프린터의 냉각 시스템

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010022761A (ko) * 1998-06-11 2001-03-26 다카노 야스아키 냉매 회수 장치, 냉매 회수 방법, 냉매 회수 장치를 갖춘 냉동 장치, 냉매 회로내의 냉매의 제어 방법 또는 냉매회수 장치의 재생 장치 및 재생 방법
KR20070114097A (ko) * 2007-11-07 2007-11-29 엘지전자 주식회사 휴대용 냉방장치
KR20140102240A (ko) * 2011-12-08 2014-08-21 메이커보트 인더스트리즈, 엘엘씨 네트워크 연결된 3차원 인쇄
KR101471078B1 (ko) * 2013-05-30 2014-12-09 홍국선 세포배양액과 세포지지체 성형액이 함께 배출되는 세포지지체 성형장치
KR20160009229A (ko) * 2014-07-16 2016-01-26 김한성 3d 프린터의 필라멘트와 필라멘트 사출기 냉각 장치

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Publication number Publication date
CN212124201U (zh) 2020-12-11
KR101958700B1 (ko) 2019-03-15
KR20190016291A (ko) 2019-02-18

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