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WO2020096129A1 - Appareil de durcissement à la lumière ultraviolette pour améliorer la performance de durcissement d'un empilement tridimensionnel - Google Patents

Appareil de durcissement à la lumière ultraviolette pour améliorer la performance de durcissement d'un empilement tridimensionnel Download PDF

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Publication number
WO2020096129A1
WO2020096129A1 PCT/KR2018/015495 KR2018015495W WO2020096129A1 WO 2020096129 A1 WO2020096129 A1 WO 2020096129A1 KR 2018015495 W KR2018015495 W KR 2018015495W WO 2020096129 A1 WO2020096129 A1 WO 2020096129A1
Authority
WO
WIPO (PCT)
Prior art keywords
curing
dimensional
improving
dimensional laminate
housing
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/KR2018/015495
Other languages
English (en)
Korean (ko)
Inventor
김정일
신영식
오윤상
윤재민
심명규
홍현기
김정수
박성열
김찬호
조성환
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DENTIS Co Ltd
Original Assignee
DENTIS Co Ltd
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 DENTIS Co Ltd filed Critical DENTIS Co Ltd
Priority to KR1020207004874A priority Critical patent/KR102193213B1/ko
Publication of WO2020096129A1 publication Critical patent/WO2020096129A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • B29C64/264—Arrangements for irradiation
    • B29C64/286—Optical filters, e.g. masks
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • 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
    • B29C64/386—Data acquisition or data processing for additive manufacturing
    • 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
    • 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
    • B33Y50/00—Data acquisition or data processing for additive manufacturing
    • F26B21/30—
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/28—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun
    • F26B3/30—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun from infrared-emitting 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • B29C2035/0822—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using IR radiation

Definitions

  • the present invention relates to an ultraviolet light curing device for improving the curing performance of a three-dimensional laminate, and when curing the three-dimensional laminate output to a 3D printer, the three-dimensional laminate cured using ultraviolet rays of different wavelengths It relates to an ultraviolet light curing device for improving the curing performance of the three-dimensional laminate to improve the strength and shrinkage.
  • the 3D printing technology which is spotlighted as the next-generation precision processing technology, refers to a technology for producing a three-dimensional object by laminating in a set shape by spraying materials in the X-axis, Y-axis, and Z-axis directions while the material is melted.
  • This 3D printing technique usually reconstructs a two-dimensional cross-section continuously to produce a three-dimensional laminate by laminating while printing the molten material layer by layer, and since the three-dimensional laminate is made of molten material, it is hardened to fix the shape. A curing process is essential.
  • the light source unit Arrange the second light source body on which the second light source module made of the second UV-LED and the second substrate is mounted to irradiate, and 1 and 2, the light source unit is characterized in that configuration by placing at least one or more parts of the first radiation consisting of a heat pipe so as to dissipate heat generated in the second UV-LED irradiating each UV light source.
  • the object of the present invention for solving the above problems is to irradiate the outer surface of the three-dimensional laminate evenly with ultraviolet rays to improve the curing performance of the three-dimensional laminate can improve the strength and shrinkage of the three-dimensional laminate It is to provide a light curing device.
  • another object of the present invention is to improve the curing performance of a three-dimensional laminate that can reduce the time to cure the three-dimensional laminate and increase the curing performance by irradiating ultraviolet rays made of different wavelengths using a plurality of LEDs It is to provide a light curing device.
  • Another object of the present invention is to provide an ultraviolet light curing device for improving the curing performance of a three-dimensional laminate that can be dried by evaporating the alcohol on the outer surface of the three-dimensional laminate while cooling the LED to irradiate ultraviolet light at a constant wavelength. Is to do.
  • the ultraviolet light curing device for improving the curing performance of the three-dimensional laminate of the present invention for solving the above problems is a housing formed to be opened and closed through a door on the front side, and is formed on an inner lower portion of the housing. It characterized in that it comprises a mounting unit that is formed to be mounted on the three-dimensional laminate, and a curing unit that is formed on the inner surface of the housing and irradiates and cures ultraviolet rays on the outer surface of the three-dimensional laminate.
  • the curing unit of the ultraviolet light curing device for improving the curing performance of the three-dimensional laminate of the present invention further includes a plurality of LED modules for irradiating ultraviolet light, the LED module is a UV wavelength of 380 ⁇ 390nm LED Wow, it is characterized in that the LED is formed by alternating 400 ⁇ 410nm.
  • the curing unit of the ultraviolet light curing apparatus for improving the curing performance of the three-dimensional laminate of the present invention a plurality of LED modules formed to irradiate ultraviolet light toward the outer surface of the three-dimensional laminate, and the three-dimensional stacking It is formed on the upper, lower, left, right, and rear sides of the sieve, and is made of a reflector that reflects ultraviolet light emitted from the LED module and re-enters the three-dimensional laminate.
  • the cradle of the ultraviolet light curing apparatus for improving the curing performance of the three-dimensional laminate of the present invention when the three-dimensional laminate is mounted, rotates and tilts the three-dimensional laminate to inject the amount of ultraviolet radiation emitted from the curing unit It is characterized by increasing.
  • an ultraviolet light curing device for improving the curing performance of the three-dimensional laminate of the present invention is formed on the rear surface of the housing, a cooling fan that sucks outside air to cool the curing unit, and is formed on the lower surface of the housing. Further comprising an outlet for cooling the air cooling the curing unit in a heated state, the air introduced through the cooling fan is heated while cooling the LED module of the curing unit, the heated air is the three-dimensional laminate It is characterized in that it is moved to the outlet while in contact with the drying the three-dimensional laminate.
  • the intensity and shrinkage of the three-dimensional laminate can be improved by uniformly irradiating ultraviolet rays on the outer surface of the three-dimensional laminate. It has an effect.
  • the ultraviolet light curing device for improving the curing performance of the three-dimensional laminate according to the present invention by using a plurality of LEDs by irradiating ultraviolet rays of different wavelengths to reduce the time to cure the three-dimensional laminate and curing performance It has the effect of increasing.
  • the LED is cooled to irradiate ultraviolet light at a constant wavelength while evaporating the alcohol on the outer surface of the three-dimensional laminate to dry.
  • FIG. 1 is a perspective view showing a curing device using a UV-LED module of the prior art.
  • Figure 2 is a perspective view showing the front of the ultraviolet light curing device for improving the curing performance of the three-dimensional laminate according to the present invention.
  • Figure 3 is an exploded view showing by separating the curing unit of the ultraviolet light curing device for improving the curing performance of the three-dimensional laminate according to the present invention.
  • Figure 4 is a perspective view showing the back and rear of the ultraviolet light curing device for improving the curing performance of the three-dimensional laminate according to the present invention.
  • FIG. 5 is a plan view showing a path through which air is introduced into the ultraviolet light curing device for improving the curing performance of the three-dimensional laminate according to the present invention.
  • Figure 6 is a side view showing a path through which air is introduced into the ultraviolet light curing device for improving the curing performance of the three-dimensional laminate according to the present invention.
  • the present invention relates to an ultraviolet light curing device for improving the curing performance of a three-dimensional laminate, and when curing the three-dimensional laminate output to a 3D printer, the three-dimensional laminate cured using ultraviolet rays of different wavelengths It relates to an ultraviolet light curing device for improving the curing performance of the three-dimensional laminate to improve the strength and shrinkage.
  • Figure 2 is a perspective view showing the front of the ultraviolet light curing device for improving the curing performance of the three-dimensional laminate according to the present invention.
  • Door 110 is formed so as to be rotated on one side of the housing 100 to open and close the front of the housing 100, the upper portion of the housing 100, the power button, operation button, time setting button and Together, a display showing the operation and time is formed.
  • Curing unit 200 is formed on the inner surface of the housing 100, the three-dimensional laminate by irradiating ultraviolet rays in the upper, lower, left, right, rear direction of the three-dimensional laminate mounted on the cradle 300 It hardens.
  • the cradle 300 is formed on the inner lower surface of the housing 100 and can be rotated by the rotating motor 310 of FIG. 6, so that the 3D laminate is mounted by the cradle 300 when the 3D laminate is mounted on the top. As it rotates, ultraviolet rays can be irradiated to all surfaces of the three-dimensional laminate by the curing unit 200.
  • the cradle 300 can be tilted simultaneously with rotation, so that the three-dimensional stack can be tilted at a set angle, and the cradle 300 is rotated in a tilted state, and the three-dimensional stack of a complex shape is irradiated with ultraviolet rays without blind spots. It becomes possible.
  • a plurality of protrusions or mounts are formed on the upper surface of the mount 300 so that the 3D stack does not slip on the upper surface of the mount 300, and the mount 300 is transparently formed. It is preferable to allow ultraviolet rays irradiated from the lower surface of the housing 100 to pass through the cradle 300 and enter the 3D laminate.
  • the detection sensor 120 is for checking the opening / closing state of the door 110, and consists of a magnetic sensor.
  • a magnet formed on the inner surface of the door 110 is detected.
  • the detection sensor 120 serves as a switching function that supplies power to the housing 100.
  • Figure 3 is an exploded view showing the separation of the curing unit 200 of the ultraviolet light curing device for improving the curing performance of the three-dimensional laminate according to the present invention.
  • the curing unit 200 of the ultraviolet light curing apparatus for improving the curing performance of the three-dimensional laminate according to the present invention is formed to irradiate ultraviolet rays toward the outer surface of the three-dimensional laminate It is characterized by consisting of a LED module, and a reflector 210 that is formed on the upper, lower, left, right, and rear of the three-dimensional laminate to reflect the ultraviolet light emitted from the LED module to re-enter the three-dimensional laminate. .
  • the LED modules 220 and 230 are formed in a plurality so as to irradiate ultraviolet rays from the upper, lower, left, right, and rear sides of the three-dimensional stacked body, and each of the LED modules 220 and 230 is attached to the reflector 210. It is attached and fixed.
  • the front surface of the reflector 210 is opened so that a 3D stack can be drawn into the front surface, and LED modules 220 and 230 are formed on the surface except the front surface to irradiate ultraviolet light toward the 3D stack. Is formed to help.
  • the reflector 210 is formed to be spaced from the inner surface of the housing 100 of FIG. 2, the LED modules 220 and 230 are positioned in a space between the housing 100 and the reflector 210, and the reflector 210 The incident holes 211 are formed on each side, so that the LED modules 220 and 230 can irradiate ultraviolet rays into the reflector 210.
  • the reflector 210 is formed in a polygonal shape, it is preferable to reflect it at multiple angles when ultraviolet rays are reflected, so that it can be re-entered into the 3D stack, and the LED modules 220 and 230 are each surface of the reflector 210 Since it is formed on, it should be able to irradiate ultraviolet rays in various ways.
  • the LED modules 220 and 230 include a first LED module 220 formed on both sides and a rear surface of the reflector 210, and a second LED module 230 formed on the upper and lower portions of the reflector 210, respectively.
  • the support 222 is coupled to the outer surface of the reflector 210, it is possible to fix the position of the first LED module 220 and the light emitting plate 221.
  • the support 222 and the diffusion plate 231 are formed of aluminum or copper that is easily absorbed by heat, it can also serve as a heat sink that absorbs heat generated from the first LED module 220 and discharges it to the outside. In this case, it is preferable that a plurality of grooves and protrusions are formed on the outer surfaces of the support 222 and the diffusion plate 231.
  • the LEDs formed on the first LED module 220 and the second LED module 230 have alternating LEDs irradiating different wavelengths to form a UV lamp and a curing effect similarly, so that the heterogeneous UV wavelengths are irradiated on the 3D stack. It is done.
  • the first wavelength irradiated from the LED modules 220 and 230 consists of 380 to 390 nm
  • the second wavelength consists of 400 to 410 nm
  • the ideal wavelength alternates the LED of 385 nm for the first wavelength and 405 nm for the second wavelength. It is preferable to form the LED module (220, 230).
  • the first wavelength and the second wavelength consist of a wavelength band with a high absorbance of the photoinitiator mixed with the resin when the 3D laminate is output from the 3D printer, thereby increasing the curing speed of the photoinitiator by two wavelengths and improving the strength when cured. There will be.
  • Figure 4 is a perspective view showing the back and rear of the ultraviolet light curing device for improving the curing performance of the three-dimensional laminate according to the invention
  • Figure 5 is an ultraviolet for improving the curing performance of the three-dimensional laminate according to the invention
  • It is a plan view showing the path through which air flows into the inside of the light curing device.
  • 6 is a side view showing a path through which air is introduced into an ultraviolet light curing apparatus for improving the curing performance of the three-dimensional laminate according to the present invention.
  • an ultraviolet light curing device for improving the curing performance of the dimensional laminate according to the present invention is formed on the rear surface of the housing 100 and sucks outside air to cool the curing unit 200
  • the air introduced through is heated while cooling the LED modules 220 and 230 of the curing unit 200, and the heated air is moved to the outlet 140 while being in contact with the 3D stack to dry the 3D stack. It is characterized by.
  • the cooling fan 130 is formed on the rear surface of the housing 100 and sucks external air into the housing 100 to cool the heat generated from the LED of the curing unit 200, thereby reducing the output of the LED by high temperature. It is formed to prevent things.
  • the air is moved in direct contact with the first LED module 220 and the second LED module 230, absorbs heat from the first LED module 220 and the second LED module 230 by convection heat transfer, and heats the first LED module ( 220) and the second LED module 230 are cooled.
  • the reflector 210 in contact with the first LED module 220 and the second LED module 230 also functions as a heat sink so as to absorb heat generated by the first LED module 220 and the second LED module 230.
  • the area in contact with the reflector 210 is widened, so the speed at which heat can be absorbed increases, so that the first LED module 220 and the second LED module 230 can be cooled more efficiently.
  • the air is discharged to the outside through the outlet 140 formed at the bottom of the housing 100 through the injection hole 212 formed at the bottom of the cradle 300.
  • the intensity and shrinkage of the three-dimensional laminate can be improved by uniformly irradiating ultraviolet rays on the outer surface of the three-dimensional laminate.
  • the intensity and shrinkage of the three-dimensional laminate can be improved by uniformly irradiating ultraviolet rays on the outer surface of the three-dimensional laminate.
  • LEDs to irradiate ultraviolet rays made of different wavelengths, it is possible to reduce the time to cure the three-dimensional laminate and to increase the curing performance, while cooling the LED to irradiate with ultraviolet rays at a constant wavelength. There is an effect that can dry by evaporating the alcohol on the outer surface.

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Abstract

La présente invention concerne un appareil de durcissement à la lumière ultraviolette destiné à améliorer la performance de durcissement d'un empilement tridimensionnel, l'appareil de durcissement à la lumière ultraviolette étant caractérisé en ce qu'il comprend : un logement comportant un intérieur vide et formé pour pouvoir être ouvert et fermé à travers une porte sur sa surface avant ; un dispositif de retenue qui est formé dans une partie inférieure interne du logement et sur lequel l'empilement tridimensionnel peut être retenu ; et une unité de durcissement qui est formée sur la surface interne du logement et qui expose la surface externe de l'empilement tridimensionnel à de la lumière ultraviolette pour effectuer le durcissement.
PCT/KR2018/015495 2018-11-05 2018-12-07 Appareil de durcissement à la lumière ultraviolette pour améliorer la performance de durcissement d'un empilement tridimensionnel Ceased WO2020096129A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020207004874A KR102193213B1 (ko) 2018-11-05 2018-12-07 3차원 적층체의 경화성능을 향상시키기 위한 자외선 광 경화장치

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2018-0134710 2018-11-05
KR20180134710 2018-11-05

Publications (1)

Publication Number Publication Date
WO2020096129A1 true WO2020096129A1 (fr) 2020-05-14

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PCT/KR2018/015495 Ceased WO2020096129A1 (fr) 2018-11-05 2018-12-07 Appareil de durcissement à la lumière ultraviolette pour améliorer la performance de durcissement d'un empilement tridimensionnel

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KR (1) KR102193213B1 (fr)
WO (1) WO2020096129A1 (fr)

Families Citing this family (6)

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Publication number Priority date Publication date Assignee Title
KR20210045951A (ko) 2020-10-21 2021-04-27 김민건 3d 프린팅 치의학 출력물의 진공 및 공기 후경화 장치
KR102469933B1 (ko) 2021-03-16 2022-11-23 헵시바주식회사 경화기
KR102477050B1 (ko) 2021-03-16 2022-12-14 헵시바주식회사 경화기
KR102418273B1 (ko) * 2021-03-19 2022-07-06 선우윤 경화 기능을 갖는 레진 아트물 제조장치
KR102462862B1 (ko) * 2022-04-08 2022-11-07 (주)유브이솔루션즈 3d 프린터 제작물용 경화 장치 및 3d 프린터 제작물의 경화 방법
KR102499333B1 (ko) 2022-11-03 2023-02-13 주식회사 올소비트 치아 표면과 밀착되어 지지되는 치아교정장치

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KR20090003926U (ko) * 2007-10-24 2009-04-29 윤병찬 휴대용 자외선 조사기
KR20150066898A (ko) * 2013-12-09 2015-06-17 한솔라이팅 (주) Ｕｖ-ｌｅｄ모듈을 이용한 경화 장치
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KR102193213B1 (ko) 2020-12-18

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