KR20170031888A - Apparatus for sensing 3dimensional printer material and 3dimensional printer using the apparatus - Google Patents
Apparatus for sensing 3dimensional printer material and 3dimensional printer using the apparatus Download PDFInfo
- Publication number
- KR20170031888A KR20170031888A KR1020150129417A KR20150129417A KR20170031888A KR 20170031888 A KR20170031888 A KR 20170031888A KR 1020150129417 A KR1020150129417 A KR 1020150129417A KR 20150129417 A KR20150129417 A KR 20150129417A KR 20170031888 A KR20170031888 A KR 20170031888A
- Authority
- KR
- South Korea
- Prior art keywords
- raw material
- control signal
- nozzle
- supply
- current value
- Prior art date
Links
Images
Classifications
-
- B29C67/0085—
-
- B29C67/0088—
-
- 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
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
Abstract
The present invention relates to a three-dimensional printer raw material sensing apparatus capable of detecting whether or not a raw material is supplied to a three-dimensional printer and whether or not the raw material is supplied, A nozzle for melting and extruding the molten metal; A raw material supply unit for supplying a raw material to the nozzle according to a supply control signal and stopping supply of raw material to the nozzle in accordance with a stop control signal; A sensing unit for generating a current value according to the flow of the raw material supplied from the raw material supply unit; And a controller for receiving the current value generated by the sensing unit and generating the supply control signal or the stop control signal for controlling the raw material supply operation of the raw material supply unit according to the inputted current value, And a control unit for outputting the stop control signal to the raw material supply unit.
Description
The present invention relates to a three-dimensional printer raw material sensing apparatus and a three-dimensional printer using the apparatus, and more particularly, to a three-dimensional printer raw material sensing apparatus and a three- Dimensional printer raw material sensing apparatus and a three-dimensional printer using the apparatus.
Techniques for forming a three-dimensional structure include a method in which a thermoplastic plastic is extruded and laminated, a laser beam is projected in a water tank (Vat) containing a liquid photocurable resin, and a molding in a water tank is made into a layer Each time the water tank is lowered by a layer thickness and the laser is injected again to form a three-dimensional structure, the resin layer is solidified while projecting light of a shape to be molded in a liquid photo-curing resin (resin to be cured upon receiving light) A method of forming a structure, a method of forming a three-dimensional structure by extruding a liquid color ink and a curing material (binder) from a nozzle of a printer head into a powder raw material using an ink jet printer principle. Among them, a method of extruding and laminating thermoplastic plastics is to laminate one identical liquefying raw material (plastic, wax, metal, etc.) in a designated range to complete a three-dimensional structure.
In this technique called FFF (Fused Filament Fabrication) or FDM (Fused Deposition Modeling), raw materials such as filaments are supplied to the nozzles by the rotation of the rollers, and the raw materials are melted and extruded by high heat.
However, in the case of a conventional three-dimensional printer, molding operation is continuously performed even when a raw material is broken during molding, which causes a problem in that it operates in the air.
In addition, when the nozzle is clogged in the state where the raw material is supplied, since the molten raw material is not eluted, the raw material is scattered in the gear that pushes the raw material to the nozzle, There is a problem that a phenomenon occurs.
Disclosure of Invention Technical Problem [8] The present invention has been proposed in order to solve the problems caused by the above-described conventional FFF or FDM method, in which a motor drive gear is disposed in a path through which a raw material flows and a flow of a raw material is detected using a motor drive gear, Dimensional printer raw material sensing device capable of reducing unnecessary molding operations and preventing an output error caused by dust generation, and a three-dimensional printer using the device.
According to an aspect of the present invention, there is provided a method of manufacturing a semiconductor device, including: a nozzle for melting and extruding a raw material; A raw material supply unit for supplying a raw material to the nozzle according to a supply control signal and stopping supply of raw material to the nozzle in accordance with a stop control signal; A sensing unit for generating a current value according to the flow of the raw material supplied from the raw material supply unit; And a controller for receiving the current value generated by the sensing unit and generating the supply control signal or the stop control signal for controlling the raw material supply operation of the raw material supply unit according to the inputted current value, And a control unit for outputting the stop control signal to the raw material supply unit.
Here, the sensing unit may include: a motor drive gear rotating according to the flow of the raw material; And a DC motor driven according to the rotation of the motor drive gear to generate the current value.
According to another aspect of the present invention, there is provided a method of manufacturing a semiconductor device, including: a nozzle for melting and extruding a raw material; A raw material supply unit for supplying a raw material to the nozzle according to a supply control signal and stopping supply of raw material to the nozzle in accordance with a stop control signal; A sensing unit for generating a current value according to the flow of the raw material supplied from the raw material supply unit and conducting current according to the absence of the raw material; And generating the supply control signal or the stop control signal for controlling the raw material supply operation of the raw material supply unit in accordance with the input current value or current, And outputting the supply control signal or the stop control signal to the raw material supply unit.
Here, the sensing unit may include a motor drive gear of a conductive material that rotates according to the flow of the raw material; And a DC motor driven according to the rotation of the motor drive gear to generate the current value.
The sensing unit may include: an elastic member for applying an elastic force; And a motor drive gear which is disposed between the motor drive gear and the motor drive gear and applies a pressure to the raw material through an elastic force of the elastic member with the raw material interposed therebetween, As shown in FIG.
According to an aspect of the present invention, there is provided a three-dimensional printer including a housing having a fastening boss, the nozzle having a nozzle for melting and extruding a raw material; A raw material supply unit for supplying a raw material to the nozzle according to a supply control signal and stopping supply of raw material to the nozzle in accordance with a stop control signal; A sensing unit for generating a current value according to the flow of the raw material supplied from the raw material supply unit; And generates the supply control signal or the stop control signal for controlling the raw material supply operation of the raw material supply unit according to the inputted current value, And a control unit for outputting a stop control signal to the raw material supply unit, wherein the sensing unit is provided with a fastening structure for coupling with the fastening boss, and a hole through which the raw material is conducted.
Here, the sensing unit may include: a motor drive gear rotating according to the flow of the raw material; And a DC motor driven according to the rotation of the motor drive gear to generate the current value.
According to another aspect of the present invention, there is provided a three-dimensional printer including a housing having a fastening boss, the nozzle having a nozzle for melting and extruding a raw material; A raw material supply unit for supplying a raw material to the nozzle according to a supply control signal and stopping supply of raw material to the nozzle in accordance with a stop control signal; A sensing unit for generating a current value according to the flow of the raw material supplied from the raw material supply unit and conducting current according to the absence of the raw material; And generating the supply control signal or the stop control signal for controlling the raw material supply operation of the raw material supply unit in accordance with the input current value or current, And a control unit for outputting the supply control signal or the stop control signal to the raw material supply unit, wherein the sensing unit is provided with a fastening structure for coupling to the fastening boss, and a hole through which the raw material is conducted.
Here, the sensing unit may include a motor drive gear of a conductive material that rotates according to the flow of the raw material; And a DC motor driven according to the rotation of the motor drive gear to generate the current value.
Further, the sensing unit may include: an elastic member for applying an elastic force; And a motor drive gear which is disposed between the motor drive gear and the motor drive gear and applies a pressure to the raw material through an elastic force of the elastic member with the raw material interposed therebetween, As shown in FIG.
Embodiments of the disclosed technique may have effects that include the following advantages. It should be understood, however, that the scope of the disclosed technology is not to be construed as limited thereby, since the embodiments of the disclosed technology are not meant to include all such embodiments.
A three-dimensional printer raw material sensing apparatus and a three-dimensional printer using the apparatus according to the present invention are characterized in that a motor drive gear is disposed in a path through which a raw material flows and a flow of a raw material is detected using a motor drive gear, It is possible to reduce power consumption and parts damage due to dust generation, and to prevent deterioration of output quality due to measurement error of output height due to dust generation.
1 is a view showing a three-dimensional printer raw material sensing apparatus according to an embodiment of the present invention.
FIGS. 2A and 2B are views illustrating a structure of a three-dimensional printer raw material sensing apparatus according to an exemplary embodiment of the present invention.
3A and 3B are views showing a structure in which a three-dimensional printer raw material sensing apparatus according to another embodiment of the present invention is mounted on a three-dimensional printer.
The description of the disclosed technique is merely an example for structural or functional explanation and the scope of the disclosed technology should not be construed as being limited by the embodiments described in the text. That is, the embodiments are to be construed as being variously embodied and having various forms, so that the scope of the disclosed technology should be understood to include equivalents capable of realizing technical ideas.
Meanwhile, the meaning of the terms described in the present application should be understood as follows.
The terms " first, " " second, " and the like are used to distinguish one element from another, and the scope of the right should not be limited by these terms. For example, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component.
It is to be understood that when an element is referred to as being "connected" to another element, it may be directly connected to the other element, but there may be other elements in between. On the other hand, when an element is referred to as being "directly connected" to another element, it should be understood that there are no other elements in between. On the other hand, other expressions that describe the relationship between components, such as "between" and "between" or "neighboring to" and "directly adjacent to" should be interpreted as well.
It is to be understood that the singular " include " or "have" are to be construed as including the stated feature, number, step, operation, It is to be understood that the combination is intended to specify that it is present and not to preclude the presence or addition of one or more other features, numbers, steps, operations, components, parts or combinations thereof.
Each step may take place differently from the stated order unless explicitly stated in a specific order in the context. That is, each step may occur in the same order as described, may be performed substantially concurrently, or may be performed in reverse order.
All terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the disclosed technology belongs, unless otherwise defined. Terms defined in commonly used dictionaries should be interpreted to be consistent with meaning in the context of the relevant art and can not be construed as having ideal or overly formal meaning unless expressly defined in the present application.
1, a three-dimensional printer material sensing apparatus according to an embodiment of the present invention includes a
First, the
The raw
The
The
The
That is, when the
2A and 2B are diagrams illustrating a
When the filament as a raw material is pulled by an extrusion motor (not shown) for outputting the raw material through the
The
Here, the
On the other hand, the
If the elastic force of the
The
On the other hand, the
3A and 3B illustrate a structure in which a three-dimensional printer raw material sensing apparatus according to another embodiment of the present invention is mounted on a three-dimensional printer. The three-dimensional printer includes a
The
2A and 2B, the
The
At this time, the
For example, the motor in the raw
Although the disclosed method and apparatus have been described with reference to the embodiments shown in the drawings for illustrative purposes, those skilled in the art will appreciate that various modifications and equivalent embodiments are possible without departing from the scope of the present invention. I will understand that. Accordingly, the true scope of protection of the disclosed technology should be determined by the appended claims.
100: nozzle
200:
300:
310: motor drive gear
320: DC motor
330: elastic member
340: conductive member
350: Current sensor
400:
501, 502: housing for sensing module
610: fastening boss
Claims (10)
A raw material supply unit for supplying a raw material to the nozzle according to a supply control signal and stopping supply of raw material to the nozzle in accordance with a stop control signal;
A sensing unit for generating a current value according to the flow of the raw material supplied from the raw material supply unit; And
And generates the supply control signal or the stop control signal for controlling the raw material supply operation of the raw material supply unit according to the inputted current value, And outputting a stop control signal to the raw material supply unit.
The sensing unit includes:
A motor drive gear rotating according to the flow of the raw material; And
And a DC motor driven according to the rotation of the motor drive gear to generate the current value.
A raw material supply unit for supplying a raw material to the nozzle according to a supply control signal and stopping supply of raw material to the nozzle in accordance with a stop control signal;
A sensing unit for generating a current value according to the flow of the raw material supplied from the raw material supply unit and conducting current according to the absence of the raw material; And
And generates the supply control signal or the stop control signal for controlling the raw material supply operation of the raw material supply unit in accordance with the inputted current value or current, And a control unit for outputting the supply control signal or the stop control signal to the raw material supply unit.
The sensing unit includes:
A motor drive gear of a conductive material rotating according to the flow of the raw material; And
And a DC motor driven according to the rotation of the motor drive gear to generate the current value.
The sensing unit includes:
An elastic member for applying an elastic force; And
A conductive member for applying a pressure to the raw material through the raw material with the motor drive gear interposed therebetween to receive the elastic force of the elastic member and to provide a conduction path for electric current in contact with the motor driver gear in the absence of the raw material, More included 3D printer raw material sensing device.
A nozzle for melting and extruding the raw material;
A raw material supply unit for supplying a raw material to the nozzle according to a supply control signal and stopping supply of raw material to the nozzle in accordance with a stop control signal;
A sensing unit for generating a current value according to the flow of the raw material supplied from the raw material supply unit;
And generates the supply control signal or the stop control signal for controlling the raw material supply operation of the raw material supply unit according to the inputted current value, And a control unit for outputting a stop control signal to the raw material supply unit,
The three-dimensional printer according to claim 1, wherein the sensing unit comprises a sensing module housing having a fastening structure for fastening the fastening boss to the fastening boss.
The sensing unit includes:
A motor drive gear rotating according to the flow of the raw material; And
And a DC motor driven according to the rotation of the motor drive gear to generate the current value.
A nozzle for melting and extruding the raw material;
A raw material supply unit for supplying a raw material to the nozzle according to a supply control signal and stopping supply of raw material to the nozzle in accordance with a stop control signal;
A sensing unit for generating a current value according to the flow of the raw material supplied from the raw material supply unit and conducting current according to the absence of the raw material; And
And generates the supply control signal or the stop control signal for controlling the raw material supply operation of the raw material supply unit in accordance with the inputted current value or current, And a control unit for outputting the supply control signal or the stop control signal to the raw material supply unit,
The three-dimensional printer according to claim 1, wherein the sensing unit comprises a sensing module housing having a fastening structure for fastening the fastening boss to the fastening boss.
The sensing unit includes:
A motor drive gear of a conductive material rotating according to the flow of the raw material; And
And a DC motor driven according to the rotation of the motor drive gear to generate the current value.
The sensing unit includes:
An elastic member for applying an elastic force; And
A conductive member for applying a pressure to the raw material through the raw material with the motor drive gear interposed therebetween to receive the elastic force of the elastic member and to provide a conduction path for electric current in contact with the motor driver gear in the absence of the raw material, More included 3D printer raw material sensing device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020150129417A KR20170031888A (en) | 2015-09-14 | 2015-09-14 | Apparatus for sensing 3dimensional printer material and 3dimensional printer using the apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020150129417A KR20170031888A (en) | 2015-09-14 | 2015-09-14 | Apparatus for sensing 3dimensional printer material and 3dimensional printer using the apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
KR20170031888A true KR20170031888A (en) | 2017-03-22 |
Family
ID=58497250
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020150129417A KR20170031888A (en) | 2015-09-14 | 2015-09-14 | Apparatus for sensing 3dimensional printer material and 3dimensional printer using the apparatus |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR20170031888A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107097407A (en) * | 2017-06-29 | 2017-08-29 | 上海大学 | The method of the shower nozzle working condition of intelligent monitoring 3D printing, using and device |
KR102343046B1 (en) * | 2020-07-29 | 2021-12-27 | 주식회사신도리코 | Apparatus for detecting filament of 3D printer |
-
2015
- 2015-09-14 KR KR1020150129417A patent/KR20170031888A/en not_active Application Discontinuation
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107097407A (en) * | 2017-06-29 | 2017-08-29 | 上海大学 | The method of the shower nozzle working condition of intelligent monitoring 3D printing, using and device |
CN107097407B (en) * | 2017-06-29 | 2019-12-13 | 上海大学 | method, application and device for intelligently monitoring working state of 3D printing nozzle |
KR102343046B1 (en) * | 2020-07-29 | 2021-12-27 | 주식회사신도리코 | Apparatus for detecting filament of 3D printer |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US11034074B2 (en) | Multi-nozzle extruder for use in three-dimensional object printers | |
US10456968B2 (en) | Three-dimensional object printer with multi-nozzle extruders and dispensers for multi-nozzle extruders and printheads | |
US10625466B2 (en) | Extrusion printheads for three-dimensional object printers | |
KR101849592B1 (en) | Three dimensional printer material with replacable nozzles | |
KR101572185B1 (en) | Apparatus and method for automatic monitoring of filament feeding in FDM 3D printer | |
JP2019533593A (en) | Better controllable printhead for 3D printers | |
KR101502342B1 (en) | Apparatus spouting 3d printing material by using screw and 3d printer using the apparatus | |
US10421266B2 (en) | Method of operating extruder heads in three-dimensional object printers | |
KR101720672B1 (en) | Apparatus spouting 3d printing material | |
JP2019093705A (en) | System and method for adjusting speed of multi-nozzle extruder during additive manufacturing with reference to angular orientation of extruder | |
CN104015367A (en) | Method for enabling 3D (three-dimensional) printer to restore printing after printing interruption | |
KR102626469B1 (en) | Method for operating an extruder in a three-dimensional (3d) object printer to improve layer formation | |
KR101885175B1 (en) | Multi-material 3D printing system | |
US20200262153A1 (en) | Fabricating apparatus, fabricating method, and fabricating system | |
KR20170031888A (en) | Apparatus for sensing 3dimensional printer material and 3dimensional printer using the apparatus | |
KR20170093431A (en) | 3D printer for multi-Extruder | |
KR20160125614A (en) | Temperature adjustment apparatus of 3D printer extruder | |
KR101802193B1 (en) | Nozzle structure for three dimensional printer | |
JP6094600B2 (en) | Injection molding apparatus and injection molding method | |
WO2016111321A1 (en) | Injection molding apparatus and injection molding method | |
JP2019142150A (en) | Molding apparatus, molding method, and molding system | |
KR102106209B1 (en) | Extruder for 3D printer | |
JP2019155697A (en) | Molding device and molding method | |
US8479795B2 (en) | System and method for rapid fabrication of arbitrary three-dimensional objects | |
KR101802201B1 (en) | Three dimensional printer using loaded-unloaded nozzle preventing short |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E601 | Decision to refuse application |