WO2019017536A1 - Appareil de moulage par infusion - Google Patents

Appareil de moulage par infusion Download PDF

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Publication number
WO2019017536A1
WO2019017536A1 PCT/KR2017/013946 KR2017013946W WO2019017536A1 WO 2019017536 A1 WO2019017536 A1 WO 2019017536A1 KR 2017013946 W KR2017013946 W KR 2017013946W WO 2019017536 A1 WO2019017536 A1 WO 2019017536A1
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WO
WIPO (PCT)
Prior art keywords
impregnation
space
module
resin
curing
Prior art date
Application number
PCT/KR2017/013946
Other languages
English (en)
Korean (ko)
Inventor
박인백
이동현
이창윤
최경일
하주원
Original Assignee
엘지전자 주식회사
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 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Publication of WO2019017536A1 publication Critical patent/WO2019017536A1/fr

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    • 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
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/0009—After-treatment of articles without altering their shape; Apparatus therefor using liquids, e.g. solvents, swelling agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/11—Vats or other containers for liquids or other fluent materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C3/00—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material
    • B05C3/02—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material
    • B05C3/09—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material for treating separate articles
    • 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
    • B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/25—Housings, e.g. machine housings
    • 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
    • B29C64/364—Conditioning of environment
    • 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
    • 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
    • B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
    • 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
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
    • C04B40/02—Selection of the hardening environment
    • C04B40/0272—Hardening under vacuum or reduced pressure

Definitions

  • the present invention relates to a molding infusion apparatus, and more particularly, to a molding infusion apparatus capable of impregnating a molding with resin.
  • the 3D printer is a device for sequentially spraying materials or stacking layers with a small thickness to produce three-dimensional shaped objects.
  • the 3D printer can produce a three-dimensional shaped object (hereinafter referred to as a model object) in various manners.
  • This method includes an FDM (Fused Deposition Modeling) method in which a thermoplastic material in the form of filament is melted and discharged in a nozzle, , A SLA (Stereo Lithography Apparatus) system in which a low-power and high-density UV laser is projected in a water tank containing molten photocurable resin and cured and laminated, a method in which a powder applied to a bed is selectively irradiated with laser and sintered An SLS (Selective Laser Sintering) method in which a process of applying a powder is repeatedly laminated, a laminated object manufacturing (LOM) method in which a paper on which an adhesive is coated with a laser beam is cut to a desired cross section, Ink-jet printer technology, and ballistic particle manufacturing (BPM) method.
  • FDM Field Deposition Modeling
  • a stacking technique for stacking materials can be used to form 3D sculptures using images generated from a 2D section in an STL file created in 3D modeling.
  • the laminating technique can produce a complex shaped product which is difficult to be formed by a cutting technique for cutting a 3D shaped product, while the surface roughness of the product is rough by stacking the material a plurality of times, There are weak drawbacks.
  • An object of the present invention is to provide a molding equipment infusion device capable of producing a high-quality molding product by impregnating a molding material into a resin and curing the molding material, thereby enhancing the quality of the molding product.
  • a sculpture infusion device includes a frame; An impregnation module disposed in the frame and having an impregnation space in which a molding is impregnated with resin; A resin supply module connected to the impregnation module to supply resin to the impregnation space; A curing module disposed in the frame and having a curing space in which a molding material impregnated with resin is cured; A carrier movably disposed in the curing space and the impregnation space and carrying the molding; A carrier moving mechanism for moving the carrier to the impregnation space and then moving the carrier to the hardening space; A first vacuum pump connected to the impregnation module to adjust the degree of vacuum of the impregnation space; And a second vacuum pump connected to the curing module to adjust the degree of vacuum in the curing space.
  • a lower frame in which a space for accommodating the impregnation module is formed;
  • An upper frame disposed at an upper portion of the lower frame and having a space in which a curing module is accommodated and having an upper door opening; And an upper door that opens and closes the upper doorway.
  • the impregnation module comprises: an impregnation chamber having an impregnation space formed therein and connected to a first vacuum pump; And an impregnation chamber disposed in the impregnation space and containing the resin.
  • the impregnation chamber may be provided with an immersion cylinder connector in which the immersion cylinder is slidably mounted.
  • the impregnation module and the resin supply module may be connected by a resin transfer pipe, and the resin transfer pipe may be provided with a flow rate sensor.
  • the molding infusion apparatus may further include a resin intermittent valve installed in the resin transfer pipe.
  • the resin supply module may include a resin storage tank in which the resin is housed, and the resin storage tank may be connected to a pressure regulator for regulating the pressure in the resin storage tank.
  • the curing module may have an upper through-hole through which the carrier passes on the bottom surface.
  • the impregnation module may have a through hole through which the carrier passes on the upper surface.
  • the frame may include a partition plate disposed between the impregnation module and the curing module.
  • the partition plate may be provided with a communication hole communicating the lower through-hole and the upper through-hole.
  • the carrier comprises an upper body; An upper body and a spaced lower body; And a connecting body connecting the upper body and the lower body.
  • the lower body can block the communication hole when the lower body rises.
  • the carrier may further include a rotor rotatably disposed in the upper body, and a rotor may be provided with a mount on which the molding is mounted.
  • the curing module includes a connector to be attached to and detached from the rotor; A connector rotating mechanism for rotating the connector can be disposed.
  • the carrier moving mechanism includes a plurality of screws; A belt connected to a plurality of screws, a pulley wound around the belt, And may include a tensioner that applies tension to the belt.
  • the fusion equipment which is a molding product, may further include a curing module, a carrier moving mechanism, a first vacuum pump, and a control unit for controlling the second vacuum pump.
  • the control unit may control the carrier moving mechanism so that the carrier is lowered from the first height in the curing space to the second height in the impregnation space.
  • the degree of vacuum of each of the infiltrated space and the cured space is adjusted by the first vacuum pump and the second vacuum pump so that the resin impregnated into the molding material during the movement of the molding material from the infiltration space to the curing space, Separation can be minimized, and there is an advantage that a high-quality sculpture can be manufactured.
  • FIG. 1 is a perspective view showing a sculpture infusion apparatus according to an embodiment of the present invention
  • FIG. 2 is a perspective view illustrating the inside of a molding infusion apparatus according to an embodiment of the present invention
  • FIG. 3 is a front view showing the inside of the molding infusion apparatus according to the embodiment of the present invention.
  • FIG. 4 is a perspective view showing an example of a molding used in a molding infusion apparatus according to an embodiment of the present invention
  • FIG. 5 is a front view when the sculpture shown in FIG. 4 is mounted inside a fusion equipment
  • Fig. 6 is a front view showing the interior of each of the impregnation module, the curing module and the resin supply module shown in Fig. 3,
  • FIG. 7 is a left side view showing the inside of a molding infusion apparatus according to an embodiment of the present invention.
  • FIG. 8 is a right side view showing the inside of a molding infusion apparatus according to an embodiment of the present invention.
  • FIG. 9 is a plan view showing the inside of the molding infusion apparatus according to the embodiment of the present invention.
  • FIG. 10 is a perspective view of a resin supply cylinder according to an embodiment of the present invention.
  • FIG. 11 is a perspective view showing the impregnation module according to the embodiment of the present invention.
  • FIG. 12 is a perspective view of the impregnation chamber shown in FIG. 11,
  • FIG. 13 is a perspective view showing an upper frame according to an embodiment of the present invention.
  • FIG. 14 is a perspective view showing a curing module according to an embodiment of the present invention.
  • FIG. 15 is a front view showing a curing module according to an embodiment of the present invention.
  • 16 is a front view showing a carrier and a carrier rotation mechanism according to an embodiment of the present invention.
  • FIG. 17 is a control block diagram of a sculpture infusion device according to an embodiment of the present invention.
  • FIG. 1 is a perspective view illustrating a sculpture infusion apparatus according to an embodiment of the present invention
  • FIG. 2 is a perspective view illustrating the inside of a sculpture infusion apparatus according to an embodiment of the present invention
  • FIG. 3 is a perspective view of a sculpture infusion apparatus according to an embodiment of the present invention The inside of the Infusion device is a front view shown.
  • the molding infusion apparatus may include a main body 1 and a resin supply module 2 connected to the main body 1.
  • the main body 1 may be an impregnation and curing apparatus for impregnating a molding (hereinafter referred to as a molding) produced by a 3D printer with a resin, then taking the molding material impregnated in the resin from the resin and curing the resin.
  • a molding hereinafter referred to as a molding
  • the main body 1 may include a frame 10, an impregnation module 20 in which the molding is impregnated with the resin, and a curing module 30 in which the resin-impregnated molding is cured.
  • the frame 10 can form the appearance of the main body 1 and the frame 10 can be formed with the spaces S1 and S2 in which the impregnation module 20 and the curing module 30 can be accommodated .
  • the frame 10 can protect the impregnation module 20 and the curing module 30.
  • the impregnation module 20 may be disposed in the frame 10.
  • the impregnation module 20 may be disposed within the frame 10.
  • the curing module 30 may be disposed in the frame 10.
  • the curing module 30 may be disposed within the frame 10.
  • the curing module 30 may be located on top of the impregnation module 20.
  • the molding can be lowered into the interior of the curing module 30 from inside the curing module 30 and impregnated with resin in the interior of the impregnating module 20, Can be raised and cured inside the curing module 30.
  • the resin supply module 2 may be connected to the impregnation module 20 to supply the resin to the impregnation module 20.
  • the resin supply module 2 can be connected to the impregnation module 20 via the resin transfer pipe 3 and the resin of the resin supply module 2 can be supplied to the impregnation module 20 through the resin transfer pipe 3.
  • the frame 10 includes a lower frame 11 in which a space S1 in which the impregnation module 20 is accommodated is formed and a space 10 in which a curing module 30 is accommodated in the upper portion of the lower frame 11 S2 may be formed and may include the upper frame 12.
  • the lower frame 11 and the upper frame 12 can be coupled with a fastening member such as a bolt through a sealing member.
  • the sealing member may be formed of a heat insulating material such as silicone to minimize heat transfer to the lower portion when the molding material is cured by the curing module 30.
  • the lower frame 11 may be formed with a lower entrance 13 through which a later-described impregnation box 22 (see FIG. 6) can be inserted and removed.
  • the frame 10 may include a lower door 14 that can open and close the lower doorway 13.
  • the lower door 14 may be rotatably connected to the lower frame 11. [
  • the lower door 14 may be provided with a lower viewing window 14a and an operator can see the inside of the lower frame 11 in a state where the lower door 14 is closed.
  • the upper frame 12 can be opened with the upper entrance 15 through which the molding can be inserted and removed.
  • the frame 10 may include an upper door 16 for opening and closing the upper entrance 15.
  • the upper door 16 may be rotatably connected to the upper frame 12.
  • the upper door 16 may be provided with the upper viewing window 16a and the operator can view the inside of the upper frame 12 through the viewing window 16a with the upper door 16 closed.
  • the frame 1 may further include a partition plate 17 disposed between the lower frame 11 and the upper frame 12.
  • FIG. 4 is a perspective view illustrating an example of a sculpture used in a sculpture infusion apparatus according to an embodiment of the present invention
  • FIG. 5 is a front view of the sculpture shown in FIG.
  • the sculpture M shown in Fig. 4 is an example of a sculpture molded into a three-dimensional shape by a 3D printer (not shown).
  • the sculpture M includes a ring H which can be mounted inside a molding infusion apparatus .
  • the operator or the robot can put the sculpture M inside the sculpture infusion device to hang the sculpture H of the sculpture M to the cradle 43 inside the sculpture infusion device and then operate the sculpture infusion device .
  • At least one of the impregnation module 20 and the curing module 30 shown in FIGS. 2 to 3 has an entrance through which the molding M can enter and exit, and a space for accommodating the molding M is formed .
  • the molding material M is preferably impregnated into the resin in the impregnation module 20 and then cured in the curing module 30.
  • the molding material M is preferably drawn out of the molding infusion apparatus.
  • the entrance 31a through which the molding M is put in and the space S4 in which the molding M is received can be formed in the curing module 30.
  • the molding M is formed in the curing module 30 Can enter the hardening space S4 inside the hardening module 30 through the entrance 31a and can be moved from the interior of the hardening module 30 to the impregnating module 20 and impregnated in the impregnating module 20 .
  • the molding M immersed in the impregnation module 20 is moved to the hardening space S4 of the hardening module 30 and hardened in the hardening module 30 and finally hardened in the hardening space S4 of the hardening module 30. [ And can be drawn out to the outside through the entrance 31a.
  • the molding M is passed through the curing module 30. It goes without saying that the entrance 31a through which the molding M is put in and the space S4 in which the molding M is received are not limited to those formed in the curing module 30. [
  • a carrier 40 for conveying the molding M may be disposed in the curing space S4 of the curing module 30. [ The carrier 40 may transport the molding M located in the curing space S4 to the interior of the impregnation module 20 and then transport it to the curing space S4 of the curing module 30. [
  • the carrier 40 may include a cradle 43 on which the molding M is mounted and may carry the molding M by moving the cradle 43 as shown in Fig.
  • the holder 43 may be formed in a bar shape to hang the hook H of the molding M.
  • the holder 43 is rotatably arranged and can be fixedly mounted.
  • the molding M can be cured while being rotated in the curing space S4 of the curing module 30, Lt; / RTI >
  • the carrier 40 may include an upper body 41 that may be located in the hardening space S4 and a rotor 42 that is rotatably disposed in the upper body 41.
  • the rotor 42 may include a molding M may be mounted on the mounting table 43.
  • the upper body 41 may be provided with a rotor hole (not shown) in which the rotor 42 can be rotatably received and the upper end of the rotor 42 may protrude upward from the upper body 41 And the lower end thereof can protrude to the lower side of the upper body 41.
  • the rotor 42 may include a support (not shown) that can be rotatably supported by the upper body 41.
  • the rotor 42 can be supported by the upper body 41 so as to be lifted and lowered together with the upper body 41.
  • the upper portion of the rotor 42 located above the upper body 41 can be attached to or detached from the connector 38 (see FIG. 16) described later.
  • the portion of the rotor 42 located below the upper body 41 A holder 43 may be provided.
  • FIG. 6 is a front view showing the interior of each of the impregnation module, the curing module and the resin supply module shown in FIG. 3,
  • FIG. 7 is a left side view showing the inside of the molding infusion apparatus according to the embodiment of the present invention
  • FIG. 9 is a plan view showing the inside of a molding infusion apparatus according to an embodiment of the present invention
  • FIG. 10 is a perspective view of a resin infusion apparatus according to an embodiment of the present invention.
  • FIG. 11 is a perspective view illustrating an impregnation module according to an embodiment of the present invention
  • FIG. 12 is a perspective view of the impregnation chamber shown in FIG.
  • FIG. 13 is a perspective view showing an upper frame according to an embodiment of the present invention
  • FIG. 14 is a perspective view illustrating a curing module according to an embodiment of the present invention
  • FIG. 15 is a perspective view illustrating a curing module according to an embodiment Respectively.
  • the frame 1 may include a partition plate 17 disposed between the impregnation module 20 and the curing module 30.
  • the partition plate 17 can divide the inside of the frame 1 into a space S1 in which the impregnation module 20 is accommodated and a space S2 in which the curing module 30 is accommodated.
  • the partition plate 17 can be provided on at least one of the lower portion of the upper frame 12 and the upper portion of the lower frame 11 and can divide the interior of the frame 1 up and down.
  • the partition plate 17 may be provided with a communication hole 17a (see FIG. 13) that can communicate the inside of the impregnation module 20 and the interior of the curing module 30.
  • the communication hole 17a may be formed to communicate the lower through hole 21b (see FIG. 12) of the impregnation module 20 and the upper through hole 31b (see FIG. 14) of the curing module 30.
  • an impregnation space S3 in which the molding M can be impregnated with the resin may be formed.
  • the impregnation module 20 may include an impregnation chamber 21 in which an impregnation space S3 is formed and an impregnation chamber 22 in which the impregnation space S3 is accommodated.
  • the impregnation chamber 21 may be disposed inside the lower frame 11 and an impregnation space S3 in which the impregnation chamber 22 is accommodated may be formed therein.
  • the impregnation chamber 21 may be provided with an inlet port 21a (see FIG. 12) in which the impregnation cylinder 22 can be introduced into and adhered from the outside.
  • the impregnation chamber 21 may be connected to an inner door 23 (see FIG. 8) for opening and closing the impregnation space S4.
  • the inner door 23 can be rotatably connected to the impregnation chamber 21 and can open and close the inlet port 21a.
  • the impregnation module 20 may have a lower hole 21b (see FIG. 12) through which the carrier 40 passes.
  • the lower through hole 21b may be formed in the upper plate of the impregnation chamber 21.
  • a part of the carrier 40 can be introduced into the impregnation space S3 of the impregnation chamber 21 through the lower through hole 21b of the impregnation chamber 21 and can be introduced into the impregnation chamber 22 inside the impregnation chamber 21.
  • the impregnation cylinder 22 may be of various types depending on the size of the molding, the impregnation degree, the amount of the resin, etc., and it is possible to use a cylinder-shaped impregnation cylinder having no separate nozzle, It is also possible to use an impregnation cylinder equipped with the above-
  • the molding infusion apparatus is configured such that various types of infusion bottles are selectively detached.
  • the impregnation chamber 21 may be provided with an immersion cylinder connector 24 (see FIG. 11) in which the immersion cylinder 22 is slidably mounted.
  • the impregnation connector 24 may be disposed on the inner lower side of the impregnation chamber 21 and may include a pair of sliding rails spaced apart in the longitudinal direction.
  • the first vacuum pump 60 may be connected to the impregnation chamber 21 and the first vacuum pump 60 may control the degree of vacuum in the impregnation chamber 21.
  • the impregnation chamber 21 may be provided with a connection port 21c (refer to FIG. 12) connected to the first vacuum pump 60 through a line such as a tube. In operation of the first vacuum pump 60, the interior of the impregnation chamber 21 can be adjusted to a predetermined pressure.
  • the impregnation cylinder 22 may have a space in which resin can be filled.
  • the space inside the impregnation cylinder 22 may be a space in which the molding is impregnated with the resin.
  • the upper surface of the impregnation cylinder 22 can be opened and a part of the carrier 40 and the molding M are inserted into the impregnation cylinder 22 through the upper surface of the impregnation cylinder 22, After the resin is impregnated, the resin is discharged through the upper surface of the impregnation cylinder 22 to the upper side of the impregnation cylinder 22.
  • the impregnation chamber 22 can be inserted into the impregnation chamber 21 through the impregnation port entrance 21a of the impregnation chamber 21 and can be accommodated inside the impregnation chamber 21.
  • the impregnation cylinder 22 is slidably guided along the impregnation cylinder connector 24 and can be inserted deeply into the impregnation chamber 21 and is slidably guided along the impregnation cylinder connector 24 and through the impregnation cylinder entrance 21a, (Not shown).
  • a curing space S4 in which the resin-impregnated molding is cured may be formed inside the curing module 30.
  • the curing space S4 may be a space in which the molding M is accommodated, and may be a space in which the molding M is hardened.
  • the curing module 30 may include a curing chamber 31 in which a curing space S4 is formed.
  • the curing chamber 31 may be provided with a molding access port through which the molding can enter and exit.
  • the curing module 30 may have an upper through hole 31b (see FIG. 14) through which the carrier 40 passes.
  • the upper through hole 31b may be formed in the lower plate of the hardening chamber 31.
  • the curing module 30 may include an inner door 32 for opening and closing the curing space S4.
  • the inner door 32 can be formed with a see-through seat 32a (see FIG. 14).
  • the inner door 32 is rotatably connected to the hardening chamber 31 so as to open and close the molding entrance.
  • the hardening chamber 31 may have a connection port (not shown) to which a line such as a tube connected to the second vacuum pump 70 is connected.
  • the curing module 30 may include at least one curing device for curing the molding inside the curing space S4.
  • the curing device may be constituted by a heater 33 capable of thermally curing the molding, or may be constituted by an ultraviolet module 35 capable of photo-curing the molding.
  • the curing module 30 may include at least one of a heater 33 and an ultraviolet module 35. It is also possible that the heater 33 and the ultraviolet module 35 are both provided. In this case, the heater 33 (see FIG. 7) and the UV module 35 (see FIG. 14) can be selectively operated according to the type of the resin impregnated into the molding M in the impregnation module 20.
  • the heater 33 is preferably capable of raising the temperature of the hardening space S4 to approximately 150 ⁇ ⁇ , and may be, for example, a sheathed heater. It is preferable that the heater 33 is configured to be able to heat the curing space S4 to 200 ° C or more at the maximum.
  • the heater 33 may be mounted in the hardening chamber 31. A plurality of such heaters 33 may be mounted in the curing chamber 31.
  • the curing module 30 may include a temperature sensor (not shown) for measuring the temperature of the curing space S4 and a pressure sensor (not shown) for measuring the pressure of the curing space S4.
  • the curing module 30 may further include a separate cooling pneumatic hose 34 (Fig. 7) for cooling the curing module 30 when the heater 33 is overheated.
  • the cooling pneumatic hose 34 can be installed around the heater 33 and can control the temperature of the hardening space S4 to be less than a predetermined temperature.
  • the ultraviolet module 35 may include an ultraviolet LED and a transmission window through which ultraviolet light irradiated from the ultraviolet LED is transmitted.
  • the carrier 40 may be movably disposed in the hardening space S4 of the curing module 30 and the impregnation space S3 of the impregnation module 20.
  • the carrier 40 includes an upper body 41; A lower body 44 spaced apart from the upper body 41; And at least one connecting body 45 connecting the upper body 41 and the lower body 44 to each other.
  • At least one through-hole may be formed in the upper body 41.
  • the upper body 41 may be formed of a perforated plate having a plurality of through holes.
  • moisture may be generated. Part of the moisture can be moved to the hardening space S4 through the through hole of the upper body 41, and the second vacuum pump The moisture transferred to the hardening space S4 in the impregnation space S3 may be discharged to the outside by the second vacuum pump 70.
  • the through hole of the upper body 41 can function as a passage through which the moisture generated when the molding M is impregnated into the resin can be quickly exhausted.
  • the upper body 41 can be raised to the periphery of the communication hole 17a (see Fig. 13) when the upper body 41 is lowered.
  • the lower body 44 may be spaced apart from the upper body 41 in the vertical direction.
  • the lower body 44 can close the communication hole 17a when the lower body 44 is lifted.
  • the hardened space S4 does not communicate with the impregnated space S3, and the hardened space S4 can be sealed.
  • the hardened space S4 can be sealed and insulated, and the heat of the hardened space S4 is minimally transferred to the impregnated space S3 .
  • connection bodies 45 may be provided and a plurality of connection bodies 45 may support the upper body 41 and the lower body 44 apart from each other.
  • the molding infusion apparatus may include a carrier moving mechanism 50, a first vacuum pump 60, and a second vacuum pump 70.
  • the carrier moving mechanism 50 can move the carrier 40 to the impregnation space S3 and then to the hardening space S4.
  • the carrier moving mechanism 50 may be mounted on the curing module 30 and connected to the carrier 40 to lift the carrier 40 up and down.
  • the carrier moving mechanism 50 includes a driving source 51 provided in the curing module 30 and at least one power transmitting member 52 53 53 connecting the driving source 51 and the carrier 41 .
  • the driving source 51 may be a motor such as a servo motor.
  • the power transmitting members 52, 53, and 54 include a plurality of screws 52; A belt 53 connected to a plurality of screws, and a pulley 54 around which the belt 53 is wound.
  • a plurality of screws 52 can be connected to the upper portion of the carrier 40 and the carrier 40 can be lifted and lowered when the driving source 51 is driven.
  • the carrier moving mechanism 50 may further include a tensioner 55 for applying a tension to the belt 53.
  • the carrier moving mechanism 50 can be operated in a lowering mode in which the carrier 40 is lowered into the impregnation space S3 and in a rising mode in which the carrier 40 is raised in the hardening space S4.
  • the first vacuum pump 60 is connected to the impregnation module 20 to adjust the degree of vacuum of the impregnation space S3.
  • the air in the molding M or the residual powder may be separated from the molding M by the vacuum in the impregnation space S3 and a void may be formed in the molding M during the operation of the first vacuum pump 60 have.
  • the resin in the impregnation cylinder 22 can thus be impregnated into the pores through which the air or the residual powder is removed.
  • the second vacuum pump 70 may be connected to the curing module 30 to adjust the degree of vacuum in the curing space S4.
  • the second vacuum pump 70 can make the degree of vacuum of the hardened space S4 equal to the degree of vacuum of the impregnated space S3. In this case, it can be hardened in a state where it is attached to the sculpture M, without being detached from the sculpture M transferred to the hardening space S4 together with the sculpture M at the impregnation space S3.
  • the second vacuum pump 70 may be connected to the hardening chamber 31 through a line such as a tube and may adjust the pressure in the hardening chamber 31.
  • the resin supply module 2 may be connected to the impregnation module 20 to supply the resin to the impregnation space S3.
  • the resin supply module 2 may be connected to the impregnation module 20 and the resin transfer pipe 3.
  • One end of the resin conveyance pipe 3 may be connected to a resin storage tank 102 (see Fig. 10), which will be described later, and the other end may be connected to the impregnation cylinder 22.
  • the resin transfer pipe 3 may be connected to the lower portion of the resin storage tank 102 and may be connected to the lower portion of the impregnation cylinder 22.
  • a flow rate sensor 4 may be installed in the resin conveyance pipe 3.
  • the flow sensor 4 can sense the flow rate of the resin flowing through the resin transfer pipe 3 and can output it to the control unit 100, which will be described later.
  • a resin shutoff valve (5) may be provided in the resin transport pipe (3).
  • the resin intermittent valve 5 may be disposed so as to be disposed on the inner lower side of the impregnation chamber 21.
  • the resin intermittent valve 5 may be a manually operated valve that is manually opened and closed by a worker, and may be constituted by a solenoid valve controlled by the control unit 100.
  • the resin conveying pipe 3 may be provided with a regulator 6 for regulating the pressure.
  • the regulator 6 can be disposed inside the frame 1 and can be disposed inside the case 101 of the resin supply module 2.
  • the regulator 6 can regulate the pressure of the resin passing through the resin conveying pipe 3 so that the resin does not jump into the curing module 30 when the transferring cylinder 22 is conveyed, .
  • the resin supply module 2 may include a case 101 forming an outer appearance and a resin storage tank 102 disposed inside the case 101 and wound with a resin.
  • the resin supply module 2 may be connected to a pressure regulator 110 for regulating the pressure inside the resin storage tank 102.
  • the case 101 may be composed of a base, a circumferential plate, and an assembly of an upper plate.
  • the resin storage tank 102 may have an opened top surface, and a resin storage space S5 may be formed in which a resin to be used in the impregnation module 20 may be stored .
  • the resin supply module 2 may further include a resin storage cover 103 disposed above the resin storage tank 102 to cover the resin storage space S5.
  • the resin storage tank 102 may be provided with a resin transfer pipe connection part 104 connected to the resin transfer pipe 3.
  • the resin transfer pipe connection portion 104 may be formed at the lower portion of the resin storage tank 102.
  • the pressure regulator 110 can regulate the pressure in the resin storage tank 102 outside the resin storage tank 102.
  • the vacuum generator 110 may be connected to the resin storage tank 102 through a tube (not shown).
  • the resin reservoir tank 102 may be formed with a tube connection hole 105 through which the pressure regulator 110 is connected as a tube.
  • the tube connection hole 105 may be formed in the upper portion of the resin storage tank 102.
  • the resin storage tank 102 may be formed of a stainless steel material.
  • a coating layer specifically, a Teflon coating layer, may be formed in the resin storage tank 102 to smooth the flow of the resin.
  • a bracket 106 for increasing the rigidity may be mounted on the resin storage tank 102.
  • the brackets 106 can be welded to the resin storage tank 102 and coupled.
  • a sealing member 107 for sealing between the resin storage tank 102 and the resin storage cover 103 may be disposed on the upper portion of the resin storage tank 102.
  • the pressure regulator 110 pressurizes the inside of the resin storage tank 102 at a high pressure to generate a pneumatic generator such as a pressurizing pump for transferring the resin of the resin storage tank 102 to the infiltration cylinder 22 through the resin transfer tube 3 .
  • the pressure regulator 110 may include a vacuum generator for converting the inside of the resin storage tank 102 to a vacuum pressure. In operation of the vacuum generator, the resin in the impregnation cylinder 22 can be recovered to the resin storage tank 102 through the resin transfer pipe 3.
  • 16 is a front view showing a carrier and a carrier rotation mechanism according to an embodiment of the present invention.
  • the curing module 30 includes a connector 38 which is detachably attached to the rotor 32; A connector rotating mechanism 39 for rotating the connector 38 may be disposed.
  • the connector 38 may be disposed so as to protrude into the hardening space S3 at an upper portion of the hardening chamber 31. [ The lower end of the connector 38 may face the carrier 40, particularly the rotor 42.
  • the connector 38 can rotate the rotor 42 when the carrier 40 is raised and connected to the rotor 42 and can be separated from the rotor 42 when the carrier 40 is lowered.
  • the connector rotating mechanism 39 can rotate the rotor 42 and the molding M by rotating the connector 38.
  • the connector rotating mechanism 39 may be disposed on the upper portion of the hardening chamber 31 and may be connected to the connector 38 to rotate the connector 38.
  • the connector rotating mechanism 39 can include a motor connected to the rotary shaft of the connector 38 and includes a driving source such as a motor for generating a driving force and a connector 38 connected to the driving source, And a power transmission member such as a gear for rotating the power transmission member.
  • FIG. 17 is a control block diagram of a sculpture infusion device according to an embodiment of the present invention.
  • the molding infusion apparatus includes an operation unit 9 for operating a fusion equipment, which is a workpiece, by a worker, a curing module 30, a connector rotation mechanism 39, a carrier movement mechanism 50, And a control unit 100 for controlling the first vacuum pump 60 and the second vacuum pump 70.
  • the operator can operate the operation unit 9 after putting the molding product into the infusion apparatus and the control unit 100 can control the operation unit 9 ), It is possible to control the fusion equipment, which is a sculpture.
  • the control unit 100 may be a PLC as a host controller.
  • the control unit 100 may selectively operate one of the heater 33 and the ultraviolet module 35 under the control of the curing module 30.
  • the control unit 100 can control the carrier moving mechanism 50 so that the carrier 40 is lowered to the second height in the impregnation space S3 at the first height in the hardening space S4.
  • the control unit 100 can control the resin supply module 2 to supply the resin to the impregnation space S3 after the carrier 40 is lowered to the second height.
  • the curing module 30 may include an upper limit switch that can sense the carrier 40 when the carrier 40 is lifted to the first height. When the carrier 40 is lowered to the second height, A lower limit switch can be provided.
  • the control unit 100 can drive and stop the carrier moving mechanism 50 in accordance with the switching operation of each of the upper limit switch and the lower limit switch.
  • the control unit 100 can adjust the amount of resin in the impregnation cylinder 22 by the flow rate of the resin sensed by the flow rate sensor 4. [ The control unit 100 can close the resin intermittent valve 5 when the flow rate of the resin sensed by the flow sensor 4 reaches the reference value.
  • the controller 100 can start the first vacuum pump 60 after the resin supply module 2 finishes supplying resin and then start the second vacuum pump 70.
  • the reason why the first vacuum pump 60 and the second vacuum pump 70 are operated at a time difference is that since the moisture due to the resin in the impregnation cylinder 22 is large, the first vacuum pump 60 is operated first, The moisture is mainly removed, and the moisture transferred to the hardening space S4 can be removed later according to the required degree of vacuum of the hardening space S4.

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  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

Un appareil de moulage par infusion selon le présent mode de réalisation comprend : un cadre ; un module d'imprégnation disposé dans le cadre et formé avec un espace d'imprégnation dans lequel un moule est imprégné de résine ; un module d'alimentation en résine relié au module d'imprégnation et fournissant de la résine à l'espace d'imprégnation ; un module de durcissement disposé dans le cadre et formé avec un espace de durcissement dans lequel le moule imprégné de résine est durci ; un support disposé de façon mobile dans l'espace de durcissement et l'espace d'imprégnation et portant le moule ; un équipement de déplacement de support pour déplacer le support dans l'espace d'imprégnation puis dans l'espace de durcissement ; une première pompe à vide reliée au module d'imprégnation pour ajuster le degré de vide dans l'espace d'imprégnation ; et une deuxième pompe à vide reliée au module de durcissement pour ajuster le degré de vide dans l'espace de durcissement. L'appareil de moulage par infusion ajuste le degré de vide dans l'espace d'imprégnation et l'espace de durcissement par respectivement la première pompe à vide et la deuxième pompe à vide, ce qui permet d'obtenir les avantages de réduire au minimum la séparation de la résine imprégnée dans le moule du moule pendant le déplacement de l'espace d'imprégnation à l'espace de durcissement et de produire un moule de haute qualité.
PCT/KR2017/013946 2017-07-18 2017-11-30 Appareil de moulage par infusion WO2019017536A1 (fr)

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US201762534151P 2017-07-18 2017-07-18
US62/534,151 2017-07-18

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Publication number Priority date Publication date Assignee Title
KR102285606B1 (ko) * 2019-11-29 2021-08-06 한국생산기술연구원 레이저 적층공정용 다기능 금속분말 회수 테이블

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1981002699A1 (fr) * 1980-03-14 1981-10-01 Ultraseal International Ltd Impregnation d'articles poreux
US20020076465A1 (en) * 2000-11-27 2002-06-20 Axel Knauff Injection unit for an injection-molding machine
US20090084313A1 (en) * 2005-07-29 2009-04-02 Hidetoshi Ito Vacuum high pressure filling equipment
US7763224B2 (en) * 2006-03-01 2010-07-27 Audi Ag Method for siliconizing carbon-containing materials
US20160067925A1 (en) * 2013-03-27 2016-03-10 Tim Warwick Method and apparatus for infusing additive manufactured objects and the like

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100702260B1 (ko) * 2004-05-14 2007-04-05 숭실대학교산학협력단 쾌속광조형기
JP2016221875A (ja) * 2015-06-01 2016-12-28 ローランドディー．ジー．株式会社 三次元造形装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1981002699A1 (fr) * 1980-03-14 1981-10-01 Ultraseal International Ltd Impregnation d'articles poreux
US20020076465A1 (en) * 2000-11-27 2002-06-20 Axel Knauff Injection unit for an injection-molding machine
US20090084313A1 (en) * 2005-07-29 2009-04-02 Hidetoshi Ito Vacuum high pressure filling equipment
US7763224B2 (en) * 2006-03-01 2010-07-27 Audi Ag Method for siliconizing carbon-containing materials
US20160067925A1 (en) * 2013-03-27 2016-03-10 Tim Warwick Method and apparatus for infusing additive manufactured objects and the like

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KR20190009234A (ko) 2019-01-28

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