KR101678126B1 - Manufacturing Device for Filament for 3-Dimension Printer - Google Patents

Manufacturing Device for Filament for 3-Dimension Printer Download PDF

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Publication number
KR101678126B1
KR101678126B1 KR1020150178186A KR20150178186A KR101678126B1 KR 101678126 B1 KR101678126 B1 KR 101678126B1 KR 1020150178186 A KR1020150178186 A KR 1020150178186A KR 20150178186 A KR20150178186 A KR 20150178186A KR 101678126 B1 KR101678126 B1 KR 101678126B1
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KR
South Korea
Prior art keywords
unit
temperature
cooling
filament
winding
Prior art date
Application number
KR1020150178186A
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Korean (ko)
Inventor
정의정
Original Assignee
주식회사 포던테크
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Priority to KR1020150178186A priority Critical patent/KR101678126B1/en
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Publication of KR101678126B1 publication Critical patent/KR101678126B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B11/00—Making preforms
    • B29B11/06—Making preforms by moulding the material
    • B29B11/10—Extrusion moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/04—Conditioning or physical treatment of the material to be shaped by cooling
    • 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
    • B33Y70/00—Materials specially adapted for additive manufacturing

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)

Abstract

Disclosed is a machine for manufacturing filaments for a three-dimensional printer. The present invention includes: a supply unit which supplies a pellet for filaments; a heater unit which heats the pellet supplied by the supply unit; and a press out unit which presses out the pellet heated by the heater unit. According to the present invention, a user of an additive manufacturing type three-dimensional printer can manufacture filaments of a desired color as much as s/he wants. Furthermore, according to the present invention, the machine for manufacturing filaments for a three-dimensional printer does not require a big space and can execute cooling and winding of the manufactured filaments, thereby maximizing the user convenience.

Description

{Manufacturing Device for Filament for 3-Dimension Printer}

The present invention relates to a filament manufacturing apparatus for a 3D printer, and more particularly, to a filament manufacturing apparatus for a 3D printer, in which a user of a stacked 3D printer can directly manufacture and use a desired amount of filaments of a desired color, The present invention relates to a filament manufacturing equipment for a 3D printer capable of maximizing user convenience by collectively performing cooling treatment and winding of the produced filament.

2. Description of the Related Art In recent years, the use of a 3D printer capable of molding a product using 3D data of an object has emerged.

In general, 3D printers have been used for pre-mass modeling and sample production. However, nowadays, a technical basis is being developed that can be used for mass production of products with a small number of small-volume products.

The product molding method of the 3D printer includes a so-called lamination type (additive type) in which a target object is formed into a two-dimensional plane shape by laminating three-dimensionally while melting and attaching the so-called laminate type There is a cutting mold that makes.

The above-described cutting mold has difficulty in processing a complicated shape, and an additive type 3D printer is used when a complex shape is produced.

As disclosed in Korean Patent No. 10-1346704, a laminated 3D printer is a system in which a wire or filament made of a thermoplastic resin is fed through a feed reel and a feed roll, and the fed filament is regulated in three directions of up and down and left and right And melted in a heater nozzle to be discharged and laminated to form an object in three dimensions.

On the other hand, users who use a stacked 3D printer generally need to use a small amount of filaments of various colors depending on the type of article to be printed, while currently available filament for 3D printers are sold in large capacity for single color .

Therefore, a user of a stacked 3D printer desires to directly manufacture and use a desired amount of filaments of a desired color, but a device that meets the technical demand has not yet been developed.

It is therefore an object of the present invention to provide a laminated 3D printer in which a user of a laminated 3D printer can directly manufacture and use a desired amount of filaments of a desired color, Processing, and winding of the filament, thereby maximizing the user's convenience.

According to another aspect of the present invention, there is provided a filament manufacturing equipment for a 3D printer, comprising: a supply part for supplying pellets for filament production; A heater unit for heating the pellets supplied through the supply unit; And an extrusion portion for extruding the pellet heated by the heater portion.

Preferably, the apparatus further includes a cooling section for cooling the filament discharged from the extruding section.

The apparatus further includes a winding section for winding the filament discharged from the extrusion section.

According to the present invention, a user of a stacked 3D printer can directly manufacture and use a desired amount of filaments of a desired color.

According to the present invention, there is provided a filament manufacturing equipment for a 3D printer, which can maximize user convenience by collectively performing cooling processing and winding of a filament thus produced without requiring a large installation space.

1 is a structural view of a filament manufacturing equipment for a 3D printer according to a first embodiment of the present invention;
2 is a configuration diagram of a filament manufacturing equipment for a 3D printer according to a second embodiment of the present invention, and Fig.
3 is a block diagram of a filament manufacturing equipment for a 3D printer according to a third embodiment of the present invention.

Hereinafter, the present invention will be described in detail with reference to the drawings. It is to be noted that the same elements among the drawings are denoted by the same reference numerals whenever possible. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail.

1 is a structural view of a filament manufacturing equipment for a 3D printer according to a first embodiment of the present invention. Referring to FIG. 1, a filament manufacturing equipment for a 3D printer according to a first embodiment of the present invention includes a supply unit 110, a heater unit 120, an extrusion unit 130, a driving unit 140, a control unit 150, (160), and a support (190).

The user supplies pellets for filament production to the supply unit 110, and the pellets for filament production supplied to the supply unit 110 are transferred to the heater unit 120.

The filament manufacturing pellet moved to the heater unit 120 is melted in a semi-solid state by being heated by the heater unit 120 which is separated from the bottom surface by the support table 190 and is fed to the feed screw 120 And the filament 50 for the 3D printer is discharged through the nozzle 135 provided at the end of the extrusion portion 130. [

The conveying screw provided inside the heater unit 120 is connected to the driving unit 140 such as a step motor through the connector 145 and the driving unit 140 drives the conveying screw 140 based on the control signal from the controller 150. [ (Conveying speed) of the conveying belt.

In addition, the user can input various control commands for the 3D filament manufacturing equipment according to the present invention through the input unit 160. Based on the control command input through the input unit 160, the controller 150 controls the driving motor And controls the heater unit 120.

Specifically, the user inputs an ON / OFF control command for the driving motor, a control command for the rotation speed (feed speed) of the feed screw, an ON / OFF control command for the heater unit 120, The control unit 150 controls the driving unit 140 and the heater unit 120 based on the control command.

For this purpose, it is preferable that a temperature sensor is installed in the heater unit 120. The measured value of the temperature sensor is transmitted to the controller 150, and the controller 150 compares the measured value of the temperature sensor with the temperature value set by the user It is preferable to control the temperature of the heater unit 120 so that the temperature of the heater unit 120 is maintained at the temperature value set by the user.

2 is a configuration diagram of a filament manufacturing equipment for a 3D printer according to a second embodiment of the present invention. The apparatus for manufacturing a filament for 3D printer according to the second embodiment of the present invention comprises a supply part 110, a heater part 120, an extrusion part 130, and an extrusion part 130 in a filament manufacturing equipment for 3D printer according to the first embodiment of the present invention, A driving unit 140, a control unit 150, an input unit 160 and a support 190. The cooling unit 170 and the winding unit 180 are further included.

The cooling unit 170 performs a function of rapidly cooling the 3D printer filament 50 discharged from the nozzle 135 provided in the extrusion unit 130. That is, in cooling the filament 50 for the 3D printer discharged from the nozzle 135, cooling (cooling) of the filament 50 adjacent to the nozzle 135 without using an air-cooling or water- The filament 50 for a 3D printer can be manufactured in a compact manufacturing apparatus having a compact structure that does not require the use of a large space.

In implementing the present invention, the cooling unit 170 may be a small refrigeration module, a small refrigeration module, or the like used in an electric appliance such as a refrigerator. A temperature sensor is installed in the cooling unit 170, It is preferable that temperature control by the control unit 150 be possible.

In order to measure the temperature of the filament 50 for 3D printer discharged from the nozzle 135 provided in the extrusion part 130, a temperature sensor may be installed at the end of the nozzle 135 Lt; / RTI >

Meanwhile, the 3D printer filament 50 cooled and discharged through the cooling unit 170 is wound by the winding unit 180 provided below the cooling unit 170, thereby providing user convenience.

In addition, in the practice of the present invention, by providing a temperature sensor on the surface of the winding unit 180, the temperature of the filament 50 for 3D printer which is cooled and discharged through the cooling unit 170 and wound around the winding unit 180 It is desirable to be able to measure.

The control unit 150 determines the discharge temperature value of the filament 50 for the 3D printer discharged from the nozzle 135 from the temperature sensor provided at the end of the nozzle 135 provided in the extrusion unit 130 Receives the current temperature value of the cooling section 170 (that is, the cooling temperature information) from the temperature sensor provided in the cooling section 170, and receives the temperature value of the heater from the temperature sensor installed in the heater section 120 (I.e., the heating temperature information of the filament 50) wound around the 3D printer filament 50 cooled by the cooling unit 170 from the temperature sensor provided on the surface of the winding unit 180 Information).

In the embodiment of the present invention, a touch panel type display may be provided on the input unit 160, and various temperature values (heating temperature information, filament discharge temperature information , Cooling temperature information, and winding temperature information of the filament) can be confirmed and checked.

In addition, the user can directly set the heating temperature value, the discharge temperature value of the filament 50, the cooling temperature value, and the winding temperature value of the filament 50 through the input unit 160, The temperature of the cooling unit 170 and the temperature of the cooling unit 170 are controlled.

Specifically, the control unit 150 adjusts the heating temperature of the heating unit by comparing the set heating temperature value and the measured heating temperature value, and compares the discharge temperature value of the set filament 50 with the measured filament discharge temperature value, And controls the cooling temperature of the cooling unit 170 by comparing the set cooling temperature value with the measured cooling temperature value.

The control unit 150 controls the cooling temperature of the cooling unit 170 to be lowered when the winding temperature of the filament 50 is higher than the winding temperature of the filament 50, If the winding temperature of the filament 50 is higher than the winding temperature of the set filament 50 even though the cooling temperature of the heating coil 170 reaches the minimum cooling temperature, the heating temperature of the heating portion may be controlled to be lower .

3 is a block diagram of a filament manufacturing equipment for a 3D printer according to a third embodiment of the present invention. 3, the apparatus for manufacturing a filament for a 3D printer according to the third embodiment of the present invention includes an outer housing 200. Inside the outer housing 200, a heater 120, A cooling unit 170 is provided in addition to the extrusion unit 130, the driving unit 140 and the control unit 150. A supply unit 110 is installed at an upper portion of the outer housing 200, A lower portion of the housing 200 is provided with a winding portion 180 for winding the 3D printer filament 50 discharged from the extrusion portion 130 inside the outer housing 200 and a winding portion 180 for supporting the rotation drive of the winding portion 180 An auxiliary roller 185 is provided.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In the present application, the terms "comprises" or "having" and the like are used to specify that there is a feature, a number, a step, an operation, an element, a component or a combination thereof described in the specification, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention.

50: filament, 110: supply part,
120: heater section, 130: extrusion section,
135: nozzle, 140: driving part,
145: connector, 150: control unit,
160: input unit, 170: cooling unit,
180: winding section, 185: auxiliary roller,
190: support, 200: outer housing.

Claims (3)

A filament manufacturing equipment for a 3D printer,
A feeder 110 to which pellets for filament production are fed;
A heater unit 120 for heating the pellets supplied through the supply unit 110;
An extrusion unit 130 for extruding the pellet heated by the heater unit 120;
A cooling unit 170 for cooling the filament discharged from the extrusion unit 130;
A winding unit 180 having a surface on which a temperature sensor for winding the filament cooled and discharged through the cooling unit 170 is wound on the surface and for measuring a cooling temperature of the filament to be wound;
The heating temperature set value of the heater unit 120 set by the user, the discharge temperature set value of the filament discharged from the extrusion unit 130, the cooling temperature set value of the cooling unit 170, An input unit to which a winding temperature set value of the filament to be wound is inputted; And
The heating temperature value from the temperature sensor installed in the heater unit 120 and the temperature of the filament discharged from the nozzle 135 from the temperature sensor installed in the nozzle 135 provided in the extrusion unit 130 A control unit for receiving the cooling temperature value of the cooling unit 170 from a temperature sensor provided in the cooling unit 170 and receiving the winding temperature value of the filament from a temperature sensor provided on the surface of the winding unit 180 150)
/ RTI >
The control unit 150 adjusts the heating temperature of the heater unit 120 by comparing the heating temperature set value with the received heating temperature value, and compares the exhaust temperature set value with the received exhaust temperature value, Adjusts the heating temperature of the heater unit 120, adjusts the cooling temperature of the cooling unit 170 by comparing the cooling temperature set value with the received cooling temperature value,
When the received winding temperature is higher than the winding temperature set value, the control unit 150 controls the cooling temperature of the cooling unit 170 to be lowered and the cooling temperature of the cooling unit 170 If the received coiling temperature value is higher than the coiling temperature set value even though the cooling temperature has reached the minimum cooling temperature, the heating temperature of the heater unit 120 is controlled downward,
Wherein the extrusion part (130) is a feed screw installed inside the heater part (120).


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KR1020150178186A 2015-12-14 2015-12-14 Manufacturing Device for Filament for 3-Dimension Printer KR101678126B1 (en)

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KR1020150178186A KR101678126B1 (en) 2015-12-14 2015-12-14 Manufacturing Device for Filament for 3-Dimension Printer

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Application Number Priority Date Filing Date Title
KR1020150178186A KR101678126B1 (en) 2015-12-14 2015-12-14 Manufacturing Device for Filament for 3-Dimension Printer

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180066353A (en) * 2016-12-08 2018-06-19 경일대학교산학협력단 apparatus for producing filaments
KR20190112917A (en) 2018-03-27 2019-10-08 창원대학교 산학협력단 Pellet Feeder using a Flexible Spiral Impeller
KR20210070013A (en) * 2019-12-04 2021-06-14 순천향대학교 산학협력단 Supply Apparatus of Filament for 3D Printer
KR102369306B1 (en) 2020-12-31 2022-03-03 인제대학교 산학협력단 Apparatus and method for recycling 3D printer filament

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150080662A (en) * 2014-01-02 2015-07-10 정하익 3 dimentional printing and printer using liquid and solid materials
KR20150096078A (en) * 2014-02-14 2015-08-24 장영문 Filament playback device for 3D printer
KR20150102796A (en) * 2014-02-28 2015-09-08 원광대학교산학협력단 Non-contact type fused deposition modeling device and FDM head unit
KR20150126120A (en) * 2014-05-02 2015-11-11 주식회사 스카이블루텍 The material feeding device and method for 3d printer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150080662A (en) * 2014-01-02 2015-07-10 정하익 3 dimentional printing and printer using liquid and solid materials
KR20150096078A (en) * 2014-02-14 2015-08-24 장영문 Filament playback device for 3D printer
KR20150102796A (en) * 2014-02-28 2015-09-08 원광대학교산학협력단 Non-contact type fused deposition modeling device and FDM head unit
KR20150126120A (en) * 2014-05-02 2015-11-11 주식회사 스카이블루텍 The material feeding device and method for 3d printer

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180066353A (en) * 2016-12-08 2018-06-19 경일대학교산학협력단 apparatus for producing filaments
KR101977617B1 (en) * 2016-12-08 2019-05-13 경일대학교산학협력단 apparatus for producing filaments
KR20190112917A (en) 2018-03-27 2019-10-08 창원대학교 산학협력단 Pellet Feeder using a Flexible Spiral Impeller
KR20210070013A (en) * 2019-12-04 2021-06-14 순천향대학교 산학협력단 Supply Apparatus of Filament for 3D Printer
KR102272626B1 (en) * 2019-12-04 2021-07-05 순천향대학교 산학협력단 Supply Apparatus of Filament for 3D Printer
KR102369306B1 (en) 2020-12-31 2022-03-03 인제대학교 산학협력단 Apparatus and method for recycling 3D printer filament

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