WO2018155998A1 - Réservoir de résine pour imprimante 3d - Google Patents

Réservoir de résine pour imprimante 3d Download PDF

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Publication number
WO2018155998A1
WO2018155998A1 PCT/KR2018/002405 KR2018002405W WO2018155998A1 WO 2018155998 A1 WO2018155998 A1 WO 2018155998A1 KR 2018002405 W KR2018002405 W KR 2018002405W WO 2018155998 A1 WO2018155998 A1 WO 2018155998A1
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WO
WIPO (PCT)
Prior art keywords
frame
film
resin
printer
tank
Prior art date
Application number
PCT/KR2018/002405
Other languages
English (en)
Korean (ko)
Inventor
김대훈
주용호
유상욱
김동혁
Original Assignee
주식회사 쓰리딜라이트
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 주식회사 쓰리딜라이트 filed Critical 주식회사 쓰리딜라이트
Publication of WO2018155998A1 publication Critical patent/WO2018155998A1/fr

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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
    • 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
    • B29C64/255—Enclosures for the building material, e.g. powder containers
    • 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
    • B29C64/124—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
    • 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
    • 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
    • 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
    • B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor

Definitions

  • the present invention relates to a 3D printer using a photocurable plastic, and more particularly, to a resin tank of a 3D printer containing a liquid in which the photocurable plastic is dissolved.
  • 3D printer was developed to make a prototype before the product was released. Instead of making a real product to find out what is wrong with the actual product, a 3D printer is used to produce the same prototype as the actual product, saving cost and time. In addition, it can be used in large corporations and factories because it can identify problems with real products.
  • Such a three-dimensional printer converts a three-dimensional shape modeled through software such as a CAD system into slice data divided into a plurality of thin cross-sectional layers, and then uses it to form a plate-like sheet, and stacks it to complete the sculpture.
  • a rapid forming method has been developed as a method of forming a sheet in the form of a plate.
  • Such rapid forming methods include rapid forming methods using powders such as gypsum or nylon powder, rapid forming methods using plastic liquids using liquids (resins) in which photocurable plastics are dissolved, and solids produced by plastics like threads. It can be divided into a rapid molding method using a plastic thread.
  • the rapid molding method using a plastic liquid irradiates light to a tank containing a photocurable resin that hardens when light is applied, and the photocurable resin irradiated with light hardens according to the shape of the light, and when a thin plate-like sheet is produced,
  • a regulation liquid surface system and a free liquid surface system there exist a regulation liquid surface system and a free liquid surface system.
  • the regulated liquid surface method irradiates light from the bottom of the tank having a bottom surface formed of a transparent plate, and places a bed in the tank to cure the resin in the tank. Subsequently, the resin cured product is formed and laminated while transferring the bed with the cured resin cured product upward. At this time, a film having a certain elasticity is attached between the bed and the transparent plate so that the bed with the resin cured material is easily detached from the water tank. Over time, the film is less elastic, and the surface is damaged, so it will be replaced after a certain time.
  • the conventional water tank is not easy to replace the film, when the bonding portion of the water tank is located in the upper side of the tank, the remaining liquid photocurable plastic in the process of discarding the remaining liquid photo-curable plastic solidified in the resin tank is generated Due to the cargo, disassembly and assembly of the tank is not easy, and there is a problem in that cost and time are wasted in removing the cured resin.
  • the present invention has been made to solve the above problems, and an object of the present invention is to form a resin tank of a 3D printer, which is easy to disassemble and assemble even if a resin cured product is formed around the upper side of the tank by forming a coupling portion of the water tank. In providing.
  • the groove is formed along the periphery of the coupling portion, and the periphery of the film is configured to be fitted in the groove to facilitate the formation of the tension of the film when bonding the water tank, and to provide a resin tank that prevents the leakage of the photocurable liquid contained in the tank. .
  • Resin tank of the 3D printer the base frame to form a lower surface of the tank; A side frame which forms a side surface of the tank to accommodate the liquid photocurable resin, and is coupled to an upper side of the base frame; A mid frame coupled between the base frame and the side frame; A transparent plate sandwiched between the base frame and the mid frame; And a film sandwiched between the mid frame and the side frame. It includes.
  • the resin bath may include a sealing member provided between the mid frame and the film and formed along a circumference of the film; It further includes.
  • the sealing member insertion groove is formed recessed downward so that the sealing member is seated.
  • the side frame may further include a pressing protrusion protruding downwardly along a lower circumference of the side frame so as to sequentially press the film and the sealing member when combined with the mid frame; It includes.
  • the mid frame and the side frame may be bolted or screwed to each other, and the bolt or screw may pass through the circumference of the mid frame and the film at the lower side of the mid frame and upwardly formed at the lower side of the side frame. It is characterized in that coupled to.
  • the anti-foam film provided between the upper surface of the transparent plate and the lower surface of the film; It includes more.
  • the embossing is formed by coating an adhesive material on the lower surface of the anti-foam film, or is formed integrally with the anti-foam film.
  • the resin bath of the 3D printer of the present invention having the above-described configuration has an advantage of easy disassembly and assembly even when the cured resin is generated on the upper side of the bath, and easy removal of the cured resin to maintain the resin bath.
  • the film is replaced through the bottom joining portion of the water tank, and the tension is formed by inserting the circumference of the film in the groove formed along the joining portion, the replacement of the film is easy, thereby reducing the cost and time for the film replacement. have.
  • FIG. 1 is a perspective view of a 3D printer using a photocurable plastic applied to the resin tank of the present invention
  • Figure 2 is a cross-sectional view of the 3D printer using a photocurable plastic applied to the resin tank of the present invention
  • Figure 3 is a perspective view of the resin tank of the present invention
  • Figure 4 is an exploded perspective view of the resin tank of the present invention
  • Figure 5 is a cross-sectional view and a partial enlarged view of the resin tank of the present invention
  • Figure 6 is an enlarged exploded cross-sectional view of the resin tank of the present invention.
  • Figure 7 is a cross-sectional view of the film and the transparent plate bonding of the present invention.
  • FIG. 1 is a perspective view of a 3D printer 1000 using a photocurable plastic applied to the resin tank 100 according to an embodiment of the present invention
  • Figure 2 is a resin tank 100 according to an embodiment of the present invention
  • a cross-sectional view of the 3D printer 1000 using photocurable plastic to which is applied is shown.
  • the 3D printer 1000 is made of a regulated liquid surface method, and the bottom is transparent to the resin tank 100 and the resin tank 100 is located below the irradiation of light to the bottom of the resin tank 100
  • the light irradiation means 200 and the bed portion 300 which is positioned above the resin tank 100 and moves the bed up and down so that the bed is located inside the resin tank 100 is configured.
  • the 3D printer 1000 of the above configuration accommodates the liquid in which the photocurable plastic is dissolved in the resin tank 100, and is placed on the bottom surface of the bed through the light irradiation means 200 in a state where the bed is placed in the resin tank 100.
  • the resin is cured by irradiating with light.
  • the 3D molded object is printed by forming and stacking the resin cured product while transferring the bed to which the cured resin cured product is attached upward.
  • FIG. 3 is a perspective view of a resin tank 100 according to an embodiment of the present invention.
  • the resin water tank 100 is not significantly different from the conventional resin water tank, and is formed such that a liquid resin is accommodated therein.
  • the resin tank 100 of the present invention is any one of the upper edge portion of the water tank 100 to minimize the liquid resin remaining around the upper side of the water tank 100 when pouring out the remaining liquid resin to cure Spout 151 is formed. Therefore, the liquid resin is discharged only through the spout 151 to prevent the liquid resin from remaining around the spout 151 and hardening.
  • FIG. 4 is an exploded perspective view of the resin water tank 100, a cross-sectional view of the resin water tank 100 is shown in FIG. 5, and a partially enlarged exploded cross-sectional view of the resin water tank 100 is shown in FIG. 6.
  • the resin tank 100 includes a base frame 110 forming a lower portion of the tank, a side frame 150 forming side surfaces of the tank, and a base frame for fixing the transparent plate G and the film F. It is configured to include a mid frame 120 coupled between the 110 and the side frame 150.
  • the transparent plate G may be coupled between the base frame 110 and the mid frame 120, and the film F may be coupled between the mid frame 120 and the side frame 150.
  • a sealing member 130 for sealing may be provided between the film F and the mid frame 120.
  • the base frame 110 is formed in the form of a rectangular frame having a space in the center, the transparent plate seating portion 111 is formed on the upper side along the inner circumference.
  • the mid frame seating portion 112 is formed above the outer circumference of the transparent plate seating portion 111.
  • the transparent plate seating portion 111 is formed to have a height lower than that of the mid frame seating portion 112.
  • first screw coupling hole (110a) Four corners of the base frame 110 are formed through the first screw coupling hole (110a) up and down. Accordingly, when the base frame 110 and the mid frame 120 are coupled, the screw or bolt penetrates the first screw coupling hole 110a to the first female screw hole 120a recessed upward at four corners of the mid frame 120. Can be combined.
  • first-first screw coupling holes 110b are formed along the circumference of the base frame 110. Accordingly, when the base frame 110, the mid frame 120, and the side frame 150 are coupled, the screws or bolts are coupled to the first-first screw coupling holes 110b and the second screw coupling holes 121 of the midframe 120. It may be coupled to the second female threaded hole 151 recessed upwardly along the circumference of the side frame 150 through.
  • the mid frame 120 is formed in the form of a square frame having a space in the center, and the second screw coupling hole 121 may be formed to penetrate up and down along a circumference. Therefore, the second female threaded hole formed by screwing or bolting through the periphery of the second screw coupling hole 121 and the film F at the lower side of the mid frame 120 and recessed upward along the lower periphery of the side frame 150 ( 151.
  • the upper surface of the mid frame 120 may be formed with a sealing member insertion groove 125 recessed downward along the circumference, the side frame (with the sealing member 130 is seated in the sealing member insertion groove 125) 150 may be coupled to an upper side of the mid frame 120. Therefore, the sealing member 130 may be formed to correspond to the sealing member insertion groove 125.
  • Sealing member 130 is made of an elastic material is configured to prevent the liquid resin to be filled in the resin tank 100 is leaked through the coupling portion of the side frame 150 and the mid frame 120.
  • the base frame 150 is formed in a rectangular frame having a predetermined height to accommodate the liquid resin therein. As described above, the base frame 150 is configured to be coupled to the upper side of the mid frame 120 in which the sealing member 130 is fitted. In this case, the circumference of the film F may be fitted to the coupling surface of the mid frame 120 and the base frame 150. A third screw coupling hole F1 corresponding to the second screw coupling hole 121 may be formed around the film F.
  • the water tank 100 having the above configuration is disposed so that the upper surface of the transparent plate G and the lower surface of the film F come into contact with each other. Due to elasticity of the film F, the film F is spaced apart from the transparent plate G due to the elasticity of the film F, and then the film F is restored to its original position. In this case, the bubble is spaced between the film F and the transparent plate G. May be generated.
  • the present invention is a film (F) and the transparent plate (G)
  • the structure is as follows.
  • FIG. 7 shows a perspective view of the combined film F, the antifoam film AF, and the transparent plate G of the present invention
  • FIG. 8 is a cross-sectional view of the antifoam film AF of various embodiments.
  • a bubble prevention film AF is further provided between the film F and the transparent plate G.
  • the anti-foam film AF may be attached to the upper surface G1 of the transparent plate G.
  • Fine embossing E may be formed on the top, bottom, or top and bottom surfaces of the anti-foaming film AF. (See FIG. 8) The embossing E may be coated or integrally formed with the anti-foaming film AF. It may be formed. Due to the fine emboss (E) as described above, when the film (F) is restored to its original position, the bubble or oil film is allowed to escape around the film (F) through the fine emboss (E) of the anti-foaming bubble (AF). ) And bubbles are formed between the transparent plate G and the transparent plate G.

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

Abstract

La présente invention concerne une imprimante 3D utilisant une matière plastique photodurcissable et, plus spécifiquement, un réservoir de résine pour une imprimante 3D, comprenant : un cadre de base qui forme la surface inférieure du réservoir ; un cadre latéral qui forme la surface latérale du réservoir de façon à permettre le logement d'une résine photodurcissable liquide et est couplé au côté supérieur du cadre de base ; un cadre intermédiaire couplé entre le cadre de base et le cadre latéral ; une plaque transparente insérée entre le cadre de base et le cadre intermédiaire ; et un film inséré entre le cadre intermédiaire et le cadre latéral.
PCT/KR2018/002405 2017-02-27 2018-02-27 Réservoir de résine pour imprimante 3d WO2018155998A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020170025607A KR101935924B1 (ko) 2017-02-27 2017-02-27 3d 프린터의 레진 수조
KR10-2017-0025607 2017-02-27

Publications (1)

Publication Number Publication Date
WO2018155998A1 true WO2018155998A1 (fr) 2018-08-30

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PCT/KR2018/002405 WO2018155998A1 (fr) 2017-02-27 2018-02-27 Réservoir de résine pour imprimante 3d

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KR (1) KR101935924B1 (fr)
WO (1) WO2018155998A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109109312A (zh) * 2018-09-26 2019-01-01 北京金达雷科技有限公司 树脂池组件、光固化3d打印机及打印方法
US20220088874A1 (en) * 2018-11-09 2022-03-24 NEXA3D Inc. Membrane assembly for a three-dimensional printing system

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102246928B1 (ko) 2019-09-25 2021-04-30 청주대학교 산학협력단 플라스틱 섬광체 제조를 위한 3d 프린팅용 레진
KR20230092544A (ko) 2021-12-17 2023-06-26 백승주 액체 방식 3d프린터의 탈부착이 용이한 레진 수조

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US20080113293A1 (en) * 2006-11-15 2008-05-15 Alexandr Shkolnik Continuous generative process for producing a three-dimensional object
US20090130449A1 (en) * 2007-10-26 2009-05-21 Envisiontec Gmbh Process and freeform fabrication system for producing a three-dimensional object
US20090278058A1 (en) * 2008-04-28 2009-11-12 Daekeun Kim 3d two-photon lithographic microfabrication system
CN105365218A (zh) * 2015-11-18 2016-03-02 宁波市鄞州智造数字科技有限公司 Dlp光固化3d打印机用树脂槽
CN205097561U (zh) * 2015-11-18 2016-03-23 宁波市鄞州智造数字科技有限公司 Dlp光固化3d打印机用树脂槽
CN105666878A (zh) * 2016-03-25 2016-06-15 广州丽格打印耗材有限公司 一种3d打印机用料槽
WO2016115236A1 (fr) * 2015-01-13 2016-07-21 Carbon3D, Inc. Impression tridimensionnelle au moyen de plateaux d'impression ayant des topologies augmentant la perméabilité, et procédés associés

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Publication number Priority date Publication date Assignee Title
KR100606457B1 (ko) 2004-11-11 2006-11-23 한국기계연구원 3차원 프린팅 조형시스템

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080113293A1 (en) * 2006-11-15 2008-05-15 Alexandr Shkolnik Continuous generative process for producing a three-dimensional object
US20090130449A1 (en) * 2007-10-26 2009-05-21 Envisiontec Gmbh Process and freeform fabrication system for producing a three-dimensional object
US20090278058A1 (en) * 2008-04-28 2009-11-12 Daekeun Kim 3d two-photon lithographic microfabrication system
WO2016115236A1 (fr) * 2015-01-13 2016-07-21 Carbon3D, Inc. Impression tridimensionnelle au moyen de plateaux d'impression ayant des topologies augmentant la perméabilité, et procédés associés
CN105365218A (zh) * 2015-11-18 2016-03-02 宁波市鄞州智造数字科技有限公司 Dlp光固化3d打印机用树脂槽
CN205097561U (zh) * 2015-11-18 2016-03-23 宁波市鄞州智造数字科技有限公司 Dlp光固化3d打印机用树脂槽
CN105666878A (zh) * 2016-03-25 2016-06-15 广州丽格打印耗材有限公司 一种3d打印机用料槽

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109109312A (zh) * 2018-09-26 2019-01-01 北京金达雷科技有限公司 树脂池组件、光固化3d打印机及打印方法
US20220088874A1 (en) * 2018-11-09 2022-03-24 NEXA3D Inc. Membrane assembly for a three-dimensional printing system

Also Published As

Publication number Publication date
KR20180098886A (ko) 2018-09-05
KR101935924B1 (ko) 2019-01-07

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