KR101689116B1 - Apparatus for installing spool of 3d printer - Google Patents

Apparatus for installing spool of 3d printer Download PDF

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Publication number
KR101689116B1
KR101689116B1 KR1020150046975A KR20150046975A KR101689116B1 KR 101689116 B1 KR101689116 B1 KR 101689116B1 KR 1020150046975 A KR1020150046975 A KR 1020150046975A KR 20150046975 A KR20150046975 A KR 20150046975A KR 101689116 B1 KR101689116 B1 KR 101689116B1
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KR
South Korea
Prior art keywords
spool
receiving
lid
diameter
dimensional printer
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Application number
KR1020150046975A
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Korean (ko)
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KR20160118605A (en
Inventor
도현옥
최두원
한진수
박현호
문주영
이재설
Original Assignee
(주)하이비젼시스템
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Priority to KR1020150046975A priority Critical patent/KR101689116B1/en
Publication of KR20160118605A publication Critical patent/KR20160118605A/en
Application granted granted Critical
Publication of KR101689116B1 publication Critical patent/KR101689116B1/en

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    • B29C67/0085—
    • 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

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

Abstract

When the spool for supplying the filament as the raw material for producing the output of the three-dimensional printer is mounted, the storage of the spool is carried out in a three-dimensional printer, while the entrance of the storage space is formed on the outside of the printer. A three-dimensional printer according to claim 1, wherein the spool is mounted on a case of the three-dimensional printer, and the spool is mounted in the three-dimensional printer through the opening, A spool receiving portion formed with a receiving bar matched with the center hole; And a spool fixing portion coupled to one side of the inlet to release the fixing of the spool in a loosened state and fix the spool to the spool receiving portion in a locked state.

Description

[0001] APPARATUS FOR INSTALLING SPOOL OF 3D PRINTER [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a spool attachment apparatus for a three-dimensional printer, and more particularly, to a spool attachment apparatus for supplying a filament, which is a raw material for producing output of a three- To facilitate the replacement of the spool attachment device.

Techniques for forming a 3D 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 in a layer The water tank is lowered by the layer thickness every time and the laser is injected again to form a three-dimensional structure, and the resin is layered while projecting the light in the form of liquid to the liquid photo-curable resin A method of forming a three-dimensional structure by solidification, a method of forming a three-dimensional structure by extruding a liquid color ink and a curing material (binder) from a nozzle of a print head into a powder raw material by 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 (target) range to complete a three-dimensional structure. In this technique called FFF (Fused Filament Fabrication) or FDM (Fused Deposition Modeling), the thermoplastic raw material in the filament state is supplied to the nozzle by the rotation of the roller, and the raw material is melted and extruded by the nozzle heating portion.

However, since the raw material of the filament state is a consumable item, it needs to be replaced frequently, so that not only a space for mounting the spool for supplying filaments but also a separate structure for replacing the spool is required.

As a conventional method for solving such a problem, there is a method of using a cartridge which is a structure for containing a spool. In this method, a separate cartridge casing is required, and the size of the cartridge is larger than the size of the spool Which is disadvantageous when the spool is replaced.

Next, there is a method of using a structure in which the spool is hooked to the outside of the three-dimensional printer. This method has a disadvantage in that the filament is loosened easily and twisting phenomenon occurs and a lot of dust accumulates.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems of the prior art, and it is an object of the present invention to provide a three-dimensional printer which is capable of accommodating a spool for supplying filaments, Dimensional printer which is formed on the outer side of the spool attachment device and facilitates the replacement.

The present invention has been made in view of the above problems, and it is an object of the present invention to provide an apparatus and method for controlling the same.

According to a first aspect of the present invention, there is provided a spool mounting apparatus for a three-dimensional printer, the apparatus comprising: a case having an inlet formed in a case of the three-dimensional printer and the spool being mounted in the three- A spool receiving part formed at the center of the main body and having a receiving bar matched with a center hole of the spool; And a spool fixing unit coupled to one side of the inlet and releasing the fixing of the spool in a released state and fixing the spool to the spool receiving unit in a locked state.

In this case, the spool fixing portion includes a plate-shaped cover portion having a size that covers a portion of the inlet of the spool storage portion and has an inner side adjacent to the spool in the locked state; A grip portion that is formed on an outer side of the lid portion so that the user can grip the lid and determines the locked state or the unlocked state according to a user's operation; And a hinge portion that engages the cover portion with one side of the inlet of the spool storage portion and provides an elastic force to open the cover portion when the handle portion is switched to the loosened state.

The grip portion may include a cork portion formed on an outer side of the lid portion so that the grip portion can be held by a user; Wherein the cover portion is coupled to the cork portion through a hole formed in the cover portion and is switched to the locked state or the unfastened state according to an operation of the user applied to the cork portion, A hook portion which is fastened to the bar and moves away from the bar when in the unlocked state; An elastic body connected to the hook portion to provide an elastic force to be fastened to the receiving rod; And a handle inner cover disposed inside the lid portion, the handle portion and the elastic body being disposed therein, and having a diameter matched with the receiving rod.

Meanwhile, in the method of switching from the locked state to the unlocked state, as the pushing force is applied to the cork portion in the direction of the hinge portion, the hook portion is moved away from the receiving rod and the elastic force retained by the hinge portion It is a one-touch method in which the cover is opened.

In addition, the spool receiving portion further includes a separation preventing member attached to a boundary of the side wall of the cylindrical structure, which is the main body, close to the inlet, and a groove is formed at the boundary for seating the separation preventing member.

On the other hand, the inner diameter of the cylindrical structure of the spool housing portion is larger than the outer diameter of the spool and less than the outer diameter of the spool plus two times the filament diameter.

The diameter of the storage bar is 60 mm.

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.

According to the spool attaching apparatus of the three-dimensional printer according to the present invention, when the spool for supplying the filament as the raw material for producing the output of the three-dimensional printer is accommodated, the entrance of the storing space is formed inside the three- So that the spool can be easily replaced and the foreign matter adheres to the filament, thereby preventing the nozzle outlet from clogging. Further, by providing the size of the storage space at a size suitable for mounting the spool, it is possible to reduce the phenomenon that the filament is released to the outside of the spool, thereby preventing the twist of the filament.

1 is a view for explaining a spool mounting apparatus of a three-dimensional printer according to an embodiment of the present invention.
FIGS. 2A to 2C are views showing a spool in a spool mounting device of a three-dimensional printer according to an exemplary embodiment of the present invention.
3A and 3B are views for explaining the spooling unit of the spool attaching device of the three-dimensional printer according to the embodiment of the present invention in detail.
FIGS. 4A and 4B are views for explaining a grip portion of a spool mounting apparatus of a three-dimensional printer according to an exemplary embodiment of the present invention.
5A and 5B are views for explaining the spool receiving portion of the spool attaching device of the three-dimensional printer according to the embodiment of the present invention in detail.

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.

The present invention relates to an apparatus and a method for installing a spool of a three-dimensional printer, and more particularly, to a method and apparatus for installing a spool for supplying a filament as a raw material for generating output of a three- To a spool attaching apparatus and method of a three-dimensional printer which facilitates the replacement of the spool attachment.

1 is a view for explaining a spool mounting apparatus of a three-dimensional printer according to an embodiment of the present invention. 2A to 2C are views showing a state in which the spool 300 in the spool mounting device of the three-dimensional printer according to the embodiment of the present invention is detached and mounted. 1 to 2C, a spool mounting apparatus of a three-dimensional printer according to an embodiment of the present invention includes a spool receiving portion 100 and a spool holding portion 200. [

The spool housing unit 100 is formed with an inlet formed in a case of the three-dimensional printer and a spool 300 mounted on the interior of the three-dimensional printer through an inlet, A storage bar 110 is formed. That is, as shown in FIG. 1, the main body of the spool housing unit 100 is positioned inside the three-dimensional printer apparatus, so that the spool 300 is seated inside the apparatus, as shown in FIG. 2B, It is possible to prevent dust from accumulating on the wound filament. In addition, since the entrance of the spool receiving portion 100 is located outside the three-dimensional printer device, it is possible to provide an advantage of facilitating the replacement of the spool 300 as shown in Fig. 2A. On the other hand, when the spool 300 is mounted on the spool housing part 100, a separate cartridge case is not required, so that the spool 300 can be easily replaced. On the other hand, the inner diameter 100a of the cylindrical structure of the spool housing portion 100 is larger than the outer diameter (220 mm) 300b of the spool 300 and the diameter of the filament diameter (Diameter) (1.75 mm) It is preferable that the value is less than the value obtained by adding 2 times. That is, the size of the outside of the spool 300 and the distance between the inside of the spool storage part 100 may be made smaller than the filament diameter so that the filaments can not escape through the gap between the outside of the spool 300 and the inside of the spool storage part 100.

The receiving bar 110 in the spool storage part 100 is formed with a diameter 110a of 60 mm which is the size of the diameter 300a of the circular hole formed in the spool 300 so that only the dedicated spool 300 matched to the product can be mounted. ).

The spool fixing unit 200 is engaged with one side of the inlet to release the fixing of the spool 300 in the unlocked state and fix the spool 300 to the spool storage unit 100 in the locked state. The locked state is a state in which the spool 300 is seated in the spool storage part 100 and the spool fixing part 200 is in a locked state when the spool 300 is moved to the outside of the three- It is a state in which it is fixed so as not to be detached. On the other hand, the unlocked state refers to a state in which the spool fixing unit 200 moves in a direction away from the spool 300, as shown in FIG. 2B. That is, in the unlocked state, the spool fixing unit 200 does not fix the spool 300, so that the user can remove the spool 300 from the spool storage unit 100 and replace the spool 300 as shown in FIG. 2A.

3A and 3B are views for explaining a spool fixing unit 200 of a spool mounting apparatus of a three-dimensional printer according to an embodiment of the present invention. 3A and 3B, the spool fixing portion 200 includes a cover portion 210, a handle portion 220, and a hinge portion 230. [

The lid 210 is a plate-like structure having a size that covers a portion of the inlet of the spool compartment 100 and is adjacent to the spool 300 in the locked state as shown in Fig. 2C. At this time, it is preferable that the lid 210 has a minimum volume so as to serve as a support for fixing the spool 300 in a locked state. That is, the cover 210 has a length of a long axis that is long enough to allow one side of the central cylindrical structure winding the filaments of the original spool 300 and the other side to be coupled to the inlet of the spool storage unit, Which is longer than the radius of the spool 300 and shorter than the diameter 300b of the spool 300 disc. The length of the minor axis of the lid 210 is preferably longer than the diameter 300b of the central cylinder around which the filaments of the spool 300 are wound, but the handle 220 and the hinge 230 may be formed shorter than the diameter of the central cylinder around which the filaments of the spool 300 are wound. Finally, since the thickness of the lid 210 needs to be reduced to reduce the weight of the lid 210 for ease of switching from the locked state to the unclamped state, the thickness of the lid 210 is formed .

The grip portion 220 is formed on the outer side of the lid 210 so that the user can grasp the grip portion 220 and determines the locked state or the unlocked state according to the user's operation. 3A, the handle portion 220 includes a cork portion 221, a hook portion 222, an elastic body 223, and a handle inner cover 224, 4a and 4b.

The hinge unit 230 is configured to engage the lid unit 210 with one side of the inlet of the spool compartment 100 and to release the elasticity of the lid unit 210 to open the lid unit 210 . 3B, the hinge 230 includes a hinge hole 233 and a small spring 232, which are integrally formed in the lid 210, and are mounted at predetermined positions in the three-dimensional printer case And the cover 210 is coupled with one side of the inlet of the spool compartment 100 in such a manner that the hinge hole 233 and the small spring 232 pass through the shaft 231. The hinge unit 230 rotates the lid unit 210 in a direction away from the spool housing unit due to the elastic force of the small spring 233 as the handle 220 is switched from the locked state to the unclamped state.

4A and 4B are views illustrating the handle 220 of the spool mounting device of the three-dimensional printer according to an embodiment of the present invention in detail. That is, FIGS. 4A and 4B are cross-sectional views of the handle 220 of the three-dimensional printer according to the embodiment of the present invention, in which the handle 220 is mounted when the handle 220 is locked.

The cock portion 221 is formed on the outside so as to be held by the user. 4A, the diameter 221a of the lower part of the cork 221 is shorter than the length 210a of the long axis of the hole formed in the lid 210. When the user rotates the cork 221 So that it can be pushed in the direction of the hinge part 230.

The hook portion 222 is disposed on the inner side of the lid portion 210 and is coupled with the cock portion through the hole 211 formed in the lid portion 210. The operation of the user And is locked in the locking state or in the unlocking state. When locked, the locking bar 110 is locked in the locking bar 110, and in the unlocking state, the locking bar 110 is separated from the locking bar 110. That is, when the hook portion 222 is in the locked state as shown in FIG. 4A, the hook portion 222 can be fastened to the protrusion formed at the end of the receiving rod 110 to fix the spool as shown in FIG. 4B. In other words, there is a receiving bar 110 in which the spool can be inserted in the spool receiving portion 100, and a structure in which the receiving bar 110 is provided with a projection to be coupled with the hook portion 222 can be provided .

The elastic body 223 is connected to the hook portion 222 to provide an elastic force to be fastened to the receiving bar 110. That is, when the cork portion 221 is pushed toward the hinge portion 230 with a force stronger than the repulsive force of the elastic body 223, the fastening between the hook portion 222 and the receiving rod 110 is released. At this time, the cover 210 is rotated in the direction away from the spool housing part by the elastic force of the small spring 233 included in the hinge part 230, so that the user can easily take out the spool 300.

On the other hand, the handle inner cover 224 is disposed inside the lid part 210, and the hook part 222 and the elastic body 223 are disposed inside, and the diameter of the handle inner cover 224 have. That is, as shown in FIG. 4B, the handle inner cover 224 may be in close contact with the upper portion of the receiving bar 110 to lock the spool 300 in a locked state.

The operation of the spool mounting apparatus of the three-dimensional printer according to the embodiment of the present invention as shown in FIGS. 1 to 4B is as follows.

The spool mounting apparatus of the three-dimensional printer of the present invention can be designed to have a structure in which the spool 300 can be inserted and used outside the product as shown in FIG. 2C.

In order to facilitate the replacement of the filament, the inlet of the spool fixing unit 200 can be disposed to the right of the user's reference to the product (the replacement of the filament is facilitated by minimizing the moving line when the spool 300 is replaced) A spool fixing part 200 is provided to prevent the spool 300 from being separated from the product when the spool 300 is rotated for the spool 300. [ Incidentally, it is easy to arrange the operation keys, the display module, the SD card, the filter, and the like by securing the side space of the product due to the above arrangement.

Since the locking and unlocking of the spool fastening portion 200 should be easy, a method of switching from the locked state to the unlocked state is such that, as the pushing force is applied to the cork portion 221 in the direction of the hinge portion 230, Touch manner in which the lid part 210 is automatically opened by the elastic force held by the hinge part 230 and the part 222 is moved away from the receiving rod 110. [ That is, by the elastic force of the hinge portion 230, it is possible to easily switch from the locked state as shown in Fig. 2C to the unfastened state as shown in Fig. 2B.

5A and 5B are views for explaining the spool storage unit 100 of the spool mounting apparatus of the three-dimensional printer according to the embodiment of the present invention in detail. 5A and 5B, the spool receiving portion 100 of the spool attaching device of the three-dimensional printer according to the embodiment of the present invention further includes an escape preventing member 120. [

The separation preventive member 120 may be attached to a boundary of the side wall of the cylindrical structure of the main body, which is close to the inlet. To this end, the separation preventing member 100 is provided with a separation preventing member 120 may be formed. That is, the separation preventing member 120 may prevent the external foreign matter from flowing freely to the filament side, and may prevent the filament from being released to the outside, and may be a sponge member having abrasion.

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: spool compartment
110: storage rod
120:
200: spool fixing portion
210:
211: lid hole
220: Handle portion
221:
222:
223: Elastomer
224: Inner cover of handle
230: Hinge section
231: Shaft
232: Small spring
233: Hinge hole
300: spool

Claims (10)

In a spool mounting apparatus of a three-dimensional printer,
A main body having an inlet formed in the case of the three-dimensional printer and the spool mounted in the three-dimensional printer through the inlet, and a spool accommodating rod formed in the center of the main body, ; And
And a spool fixing portion coupled to one side of the inlet to release the fixing of the spool in a loosened state and fix the spool to the spool receiving portion in a locked state,
Wherein the spool-
A plate-like lid which is sized to cover a portion of the inlet of the spool receiving portion, the plate-like lid having an inner side adjacent to the spool in the locked state;
A grip portion that is formed on an outer side of the lid portion so that the user can grip the lid and determines the locked state or the unlocked state according to a user's operation; And
And a hinge unit that engages the cover unit with one side of the inlet of the spool storage unit and provides an elastic force to open the cover unit when the handle unit is switched to the loosened state,
The spool-
Further comprising a separation preventing member attached to a boundary of the side wall of the cylindrical structure, which is the main body, close to the inlet to prevent the filament from being released to the outside of the spool housing,
And a groove is formed at the boundary for receiving the separation preventing member,
Wherein the inner diameter of the cylindrical structure of the spool receiving portion is smaller than a value that exceeds the outer diameter of the spool and the outer diameter of the spool plus two times the filament diameter.
delete The method according to claim 1,
The handle portion
A cork portion formed on an outer side of the lid portion so as to be held by a user;
Wherein the cover portion is coupled to the cork portion through a hole formed in the cover portion and is switched to the locked state or the unfastened state according to an operation of the user applied to the cork portion, A hook portion which is fastened to the bar and moves away from the bar when in the unlocked state;
An elastic body connected to the hook portion to provide an elastic force to be fastened to the receiving rod; And
And a handle inner cover disposed inside the lid unit and having a diameter that matches the receiving rod, wherein the hook and the elastic body are disposed inside the lid.

The method of claim 3,
In the method of switching from the locked state to the unlocked state, as the pushing force is applied to the cork portion in the direction of the hinge portion, the hook portion is moved away from the receiving rod, and by the elastic force held by the hinge portion, Wherein the spool attachment device is a one-touch type that is opened.

delete delete The method according to claim 1,
And the diameter of the receiving bar is 60 mm.

The method of claim 4,
The spool-
Further comprising an anti-departure member attached to a boundary of the side wall of the cylindrical structure which is the main body,
And a groove for receiving the separation preventing member is formed at the boundary.

The method of claim 4,
Wherein the inner diameter of the cylindrical structure of the spool housing part is smaller than a value exceeding the outer diameter of the spool and an outer diameter of the spool plus two times the filament diameter.

The method of claim 4,
And the diameter of the receiving bar is 60 mm.
KR1020150046975A 2015-04-02 2015-04-02 Apparatus for installing spool of 3d printer KR101689116B1 (en)

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KR1020150046975A KR101689116B1 (en) 2015-04-02 2015-04-02 Apparatus for installing spool of 3d printer

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Application Number Priority Date Filing Date Title
KR1020150046975A KR101689116B1 (en) 2015-04-02 2015-04-02 Apparatus for installing spool of 3d printer

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KR101689116B1 true KR101689116B1 (en) 2016-12-23

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021032602A1 (en) 2019-08-16 2021-02-25 Dsm Ip Assets B.V. Spool for supporting a filament and filament spool

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002500966A (en) * 1998-01-26 2002-01-15 ストラタシス・インコーポレイテッド Rapid prototype system with filament supply spool monitoring
JP2004168464A (en) * 2002-11-19 2004-06-17 Minoru Industrial Co Ltd Locking structure of winding device
JP2012035962A (en) * 2010-08-06 2012-02-23 Daihen Corp Wire reel supporting device and lock structure of screw connecting member

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002500966A (en) * 1998-01-26 2002-01-15 ストラタシス・インコーポレイテッド Rapid prototype system with filament supply spool monitoring
JP2004168464A (en) * 2002-11-19 2004-06-17 Minoru Industrial Co Ltd Locking structure of winding device
JP2012035962A (en) * 2010-08-06 2012-02-23 Daihen Corp Wire reel supporting device and lock structure of screw connecting member

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