Apparatus for removing residual resin from 3d-printed matter

Abstract

The present invention relates to an apparatus for removing residual resin from 3D-printed matter and, more specifically, is characterized by being able to effectively remove resin remaining on the outer surface of 3D-printed matter by using centrifugal force by spinning the 3D-printed matter prior to post-curing.

Description

3D printer residual resin removal device

[0001] The present invention relates to a device for removing residual resin from a 3D printer, and more specifically, to a device capable of effectively removing residual resin from the outer surface of a 3D printer by rotating the 3D printer before post-curing and using centrifugal force.

[0002] Recently, 3D printers have emerged that create three-dimensional molded products using a computer that stores 3D design drawing data designed by a product designer or designer using a 3D modeling tool.

[0003] Using a 3D printer has the advantage of drastically reducing production costs and manufacturing time, enabling customized manufacturing, and easily manufacturing complex three-dimensional shapes.

[0004] 3D printed objects produced using a 3D printer ultimately undergo a post-curing process. However, before this process, resin often remains on the exterior of the object. Consequently, if post-curing occurs without removing this residual resin, the actual product thickness often exceeds the target design thickness, resulting in defective products.

[0005] To solve these problems, alcohol washing is performed to remove residual resin before post-curing the 3D printer, but problems often occur where the physical properties after post-curing do not reach the target values ​​due to alcohol.

[0006] Therefore, there is a need to develop a device that can effectively remove residual resin from 3D printed materials before post-curing.

[0007] [Prior Art Literature]

[0008] [Patent Document]

[0009] (Patent Document 1) Republic of Korea Patent Publication No. 10-2019-0050734

[0010] The present invention relates to a device for removing residual resin from a 3D printer, and more specifically, to a device capable of effectively removing residual resin from the outer surface of a 3D printer by rotating the 3D printer before post-curing and using centrifugal force.

[0011] A device for removing residual resin from a 3D printer according to the present invention comprises: a main body having a hollow portion formed therein; a rotator portion rotatably coupled within the main body and having a plurality of penetrating rotator holes formed therein; and a first holder portion coupled to the inside of the rotator portion and supporting a 3D printer; wherein, as the rotator portion rotates, resin remaining on the outer surface of the 3D printer prior to post-curing is detached due to centrifugal force and discharged through the hollow portion of the main body through the rotator holes.

[0012] In addition, the main body of the device for removing residual resin from a 3D printer according to the present invention includes a first main body in which the hollow portion is formed; and a second main body located below the first main body and accommodating a motor unit; and the detached resin is received on a bottom surface forming a boundary between the first main body and the second main body, and is discharged through a drain pipe formed at a point on the bottom surface.

[0013] In addition, one point of the second main body part of the 3D printer residual resin removal device according to the present invention is opened and a tank part is coupled, and the detached resin discharged through the drain pipe is received in the tank part.

[0014] In addition, the tank part of the 3D printer residual resin removal device according to the present invention is replaceably connected to the second main body part.

[0015] In addition, the lower part of the rotator part of the 3D printer residual resin removal device according to the present invention is coupled to the motor part so that the rotator part can rotate.

[0016] In addition, the present invention includes a second holder part coupled to a point of the first holder part of the 3D printer residual resin removal device, wherein the second holder part is formed with a support member protruding toward the inner center of the second holder part, and the 3D printer is supported by the support member.

[0017] In addition, the support member of the 3D printer residual resin removal device according to the present invention is replaceably connected to the second holder part.

[0018] In addition, an inlet hole is formed at one point of the main body of the device for removing residual resin from a 3D printer according to the present invention, and hot air generated by a heat generating unit outside the main body is introduced through the inlet hole and applied to the rotator unit, thereby maximizing the efficiency of removing residual resin.

[0019] In addition, heat generated by the heat generating unit inside the main body of the 3D printer residual resin removal device according to the present invention is applied to the rotator unit, thereby maximizing the efficiency of removing residual resin.

[0020] In addition, a temperature sensor formed at one point of the main body of the 3D printer residual resin removal device according to the present invention detects hot air or heat generated from the heat generating unit and restricts the supply.

[0021] In addition, the removed resin of the 3D printer residual resin removal device according to the present invention can be collected and recycled.

[0022] According to the present invention, there is an advantage in that the resin remaining on the outer surface of a conventional 3D printed product before post-curing can be removed, and a post-cured 3D printed product can be manufactured according to the design, thereby improving quality.

[0023] In addition, the resin can be removed simply by rotating the 3D printer without the need for chemical treatment to remove the resin, and the resin can be removed simply by removing the tank portion that contains the removed resin, which has the advantage of improving the ease and speed of the worker's work.

[0024] In addition, since multiple 3D printers can be placed within the rotator section, there is an advantage in that the number of 3D printers from which resin can be removed per unit time can be increased, thereby increasing work efficiency.

[0025] In addition, hot air generated from a heat generating unit outside the main body is introduced through an inlet hole, or heat generated from a heat generating unit inside the main body is applied to the 3D printer, thereby maximizing the efficiency of removing residual resin.

[0026] Additionally, the temperature sensor detects and controls the applied hot air or heat to maximize the efficiency of removing residual resin.

[0027] Additionally, there is the advantage of being able to recycle the resin.

[0028] Figure 1 illustrates the external appearance of a device for removing residual resin from a 3D printer according to the present invention.

[0029] Figure 2 is an exploded perspective view of a device for removing residual resin from a 3D printer according to the present invention.

[0030] Figure 3 illustrates a cross-section of a device for removing residual resin from a 3D printer according to the present invention.

[0031] FIG. 4 and FIG. 5 are enlarged views of the rotator section, the first holder section, and the second holder section of the device for removing residual resin from a 3D printer according to the present invention.

[0032] Figures 6 to 8 illustrate a 3D printer placed on a second holder section of a device for removing residual resin from a 3D printer according to the present invention.

[0033] Figures 9 and 10 are drawings illustrating the process of removing the tank part.

[0034] The present invention relates to a device for removing residual resin from a 3D printer, comprising: a main body having a hollow portion formed therein; a rotator portion rotatably coupled within the main body and having a plurality of penetrating rotator holes formed therein; and a first holder portion coupled to the inside of the rotator portion and supporting a 3D printer; wherein, as the rotator portion rotates, a centrifugal force is applied to detach resin remaining on the outer surface of the 3D printer prior to post-curing, and the resin is discharged through the hollow portion of the main body through the rotator holes.

[0035] Hereinafter, the present invention will be described in detail with reference to the drawings. The embodiments introduced below are provided as examples to ensure that the spirit of the present invention can be sufficiently conveyed to those skilled in the art. Therefore, the present invention is not limited to the embodiments described below and may be embodied in other forms. In addition, in the drawings, the size and thickness of the device may be exaggerated for convenience. Like reference numbers represent like elements throughout the specification.

[0036]

[0037] The advantages and features of the present invention, and the methods for achieving them, will become clearer with reference to the embodiments described in detail below together with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms. These embodiments are provided only to ensure that the disclosure of the present invention is complete and to fully inform those skilled in the art of the scope of the invention, and the present invention is defined only by the scope of the claims. Like reference numerals designate like elements throughout the specification. The sizes and relative sizes of layers and regions in the drawings may be exaggerated for clarity of description.

[0038]

[0039] The terminology used herein is for the purpose of describing embodiments and is not intended to limit the present invention. In this specification, singular forms also include plural forms, unless specifically stated otherwise.

[0040]

[0041] FIG. 1 illustrates the external appearance of a device for removing residual resin from a 3D printer according to the present invention, FIG. 2 illustrates an exploded perspective view of a device for removing residual resin from a 3D printer according to the present invention, and FIG. 3 illustrates a cross-section of a device for removing residual resin from a 3D printer according to the present invention. Hereinafter, with reference to FIGS. 1 to 3, the configuration of a device for removing residual resin from a 3D printer according to the present invention will be described.

[0042] In addition, it is specified that the 3D printed product in the present invention refers to a 3D printed product before the post-curing process.

[0043] A device for removing residual resin from a 3D printer according to the present invention includes a main body (100), a rotator part (200), a cap part (300), a tank part (400), a first holder part (500), a second holder part (600), and a motor part (700).

[0044] The main body (100) includes a first main body (110) and a second main body (120). The first main body (110) has a hollow portion formed therein, and a rotator portion (200), a first holder portion (500), and a second holder portion (600) are accommodated inside the first main body (110).

[0045] The second main body (120) is positioned below the first main body (110) and can be detachably coupled to each other. A tank (400) is coupled to the second main body (120), and details regarding this will be described later.

[0046]

[0047] A motor unit (700) is accommodated at an inner point of the second main body (120). The motor unit (700) includes a motor (710) and a rotation shaft (720). The motor (710) provides rotational force, and the rotational force is transmitted to the rotation shaft (720). The rotation shaft (720) is preferably formed to extend vertically, for example, and is preferably coupled by penetrating the lower part of the center of the rotator (210) of the rotator unit (200). Therefore, when the motor (710) provides rotational force, the rotational force is sequentially transmitted to the rotation shaft (720) and the rotator unit (200), so that the rotator unit (200) rotates about the rotation shaft (720) within the first main body (110). At this time, the rotational force of the motor unit (700) can be adjusted by a knob (101) formed at an outer point of the main body (100).

[0048]

[0049] The first main body (110) includes a drain pipe (111), a bottom surface (112), an inlet hole (113), and a temperature sensor (114).

[0050] It is preferable that the bottom surface (112) be formed at the boundary between the first main body part (110) and the second main body part (120).

[0051] At this time, it is preferable that the bottom surface (112) has a slope, and it is preferable that a drain pipe (111) is formed at the lower end based on the sloped bottom surface (112). As will be described later, due to this configuration, the resin detached from the 3D printer (10) due to the rotation of the rotator unit (200) settles on the bottom surface (112), and since the bottom surface (112) is sloped, a structure is formed in which the resin settled on the bottom surface (112) flows along the bottom surface (112) and is collected in the drain pipe (111). Therefore, there is an advantage in that the resin can be moved to the drain pipe (111) without a separate discharge device, thereby reducing the device cost. At this time, in FIG. 3, as an example, the left side is shown as the upper side and the right side is shown as the lower side, but the opposite may be done, and the slope is sufficient.

[0052]

[0053] It is preferable that the drain pipe (111) be formed to extend vertically, and a tank section (400) to be described later is positioned at the lower portion of the drain pipe (111) in the vertical direction. Through this, the resin discharged through the drain pipe (111) is collected in the tank section (400), and the detached resin can be discarded by removing the tank section (400). This will be described in detail later.

[0054]

[0055] It is preferable that the inlet hole (113) be formed on the upper or side surface or the bottom surface of the inner or outer body part (100). At this time, a heat generating unit (not shown) may be formed on the inner or outer surface of the body part (100). If the heat generating unit is formed on the inner surface of the body part (100), the heat generated from the heat generating unit is applied to the 3D printed object (10), so that the efficiency of removing residual resin can be maximized. If the heat generating unit is formed on the outer surface of the body part (100), the heat is introduced into the body part (100) through the inlet hole (113) in the form of hot air and applied to the 3D printed object (10), so that the efficiency of removing residual resin can be maximized.

[0056] In addition, the heat generated from the heat generating unit can be appropriately controlled through a temperature sensor (114). When heat exceeding a preset temperature standard is detected by the temperature sensor (114), heat generation from the heat generating unit is controlled to stop, thereby maximizing the efficiency of removing residual resin.

[0057]

[0058] The cap part (300) is coupled to the upper part of the first main body part (110), and it is preferable that it be coupled so as to be detachable.

[0059]

[0060] Figures 4 and 5 are enlarged views of the rotator section, the first holder section, and the second holder section of the device for removing residual resin from a 3D printer according to the present invention. In this case, the state immediately before the first holder section (500) and the rotator section (200) are combined is shown to ensure convenience in explaining the combination relationship.

[0061]

[0062] The rotator section (200) includes a rotator (210), a rotator hole (211), a coupling groove (212), and a motor hole (213).

[0063] The rotator (210) is preferably a cylindrical tray-shaped body with a hollow portion formed therein and an open top, and a plurality of rotator holes (211) penetrating the rotator (210) are formed on the side and bottom surfaces. The resin that has been separated through the 3D printer (10) is discharged to the outside of the rotator (210) through the rotator holes (211), falls on the aforementioned bottom surface (112), and is collected in the drain pipe (111).

[0064] A penetrating motor hole (213) is formed in the lower center of the rotator (210), and it is preferable that the rotation shaft (720) of the aforementioned motor unit (700) is connected by penetrating therethrough.

[0065] A plurality of coupling grooves (212) are formed on the upper side of the rotator (210). The coupling grooves (212) are preferably sunken from the top to the bottom in the vertical direction, and are preferably formed in a complementary shape with the fastening hole (530) of the first holder part (500) to be described later. The fastening hole (530) of the first holder part (500) is inserted into the coupling groove (212) of the rotator (210) and is mutually coupled, thereby coupling the first holder part (500) to the rotator part (200). In addition, a structure is formed that allows for the coupling to be detachably attached.

[0066] As a plurality of joining grooves (212) are formed, a plurality of first holder parts (500) can be joined, and as will be described later, a plurality of 3D printed objects (10) can be placed through this, thereby increasing the number of 3D printed objects from which resin can be removed per unit time, thereby increasing work efficiency.

[0067]

[0068] It is preferable that the first holder part (500) be coupled to the inner side of the rotator part (200).

[0069] It is preferable that the first holder part (500) includes a first holder (510), a first holder hole (520), a second holder hole (521), a fastener (530), and a clip (540).

[0070]

[0071] The first holder (510) is positioned on the inside of the rotator (210) and is preferably in the shape of a panel having a predetermined radius of curvature. At this time, a plurality of first holder holes (520) are formed through the first holder (510), and, like the rotator hole (211) described above, the resin detached from the 3D printer (10) is discharged to the outside of the rotator (210) through the first holder holes (520).

[0072]

[0073] A second holder portion (600), which will be described later, is coupled to the second holder hole (521). Preferably, the second holder hole (521) is wider than the first holder hole (520). This has the advantage of facilitating the fastening of the second holder portion (600), which will be described later.

[0074]

[0075] The fastener (530) and the clip (540) will be described. The clip (540) is preferably formed to extend from the upper side of the first holder (510), extend outward, and have a shape that is bent downward in the vertical direction. The fastener (530) is formed in the space between the bent portion and the first holder (510) and has a shape that protrudes downward in the vertical direction. At this time, as described above, it is formed to complementarily correspond to the shape of the coupling groove (212), and the fastener (530) is inserted into the coupling groove (212) in a male-female coupling form.

[0076] Accordingly, the fastening hole (530) of the first holder part (500) is positioned near the coupling groove (212) and the first holder part (500) is lowered, thereby allowing the first holder part (500) and the rotator part (200) to be coupled, thereby increasing work efficiency. In addition, since the structure is replaceable, there is an advantage in that the first holder part (500) can be easily and quickly replaced when damaged.

[0077]

[0078] At this time, it is preferable that the inner end of the clip (540) be formed by bending at a predetermined angle and extending, and the corresponding portion is referred to as a handle (541). This allows the worker to easily grip the first holder part (500), so that when combining the first holder part (500) and the rotator part (200) or removing them from the rotator part (200), there is an advantage in that the work is easy and quick.

[0079]

[0080] Figures 6 to 8 illustrate a 3D printed object placed on the second holder portion of a 3D printed object resin removal device according to the present invention. Hereinafter, with reference to Figures 6 to 8, the configuration of the second holder portion (600) of the 3D printed object resin removal device according to the present invention will be described.

[0081] The second holder part (600) includes a second holder (610), a hanging member (620), a support member (630), and a reinforcing member (640).

[0082] The second holder part (600) is detachably attached to the inside of the first holder part (500). More specifically, it is shaped to be fastened and supported in the second holder hole (521).

[0083] The second holder (610) is positioned inside the first holder part (500) in a frame shape, and the hanging member (620) is formed to extend vertically upward from the second holder (610) and is bent in a hook shape. In addition, it is preferable that the hanging member (620) has a shape that wraps around and supports the first holder (510) in which the second holder hole (521) is formed. Therefore, the worker can detach the entire second holder part (600) from the first holder part (500) simply by moving the hanging member (620) upward, and conversely, the entire second holder part (600) can be coupled to the first holder part (500) simply by wrapping the inside of the hanging member (620) around the first holder (510), which has the advantage of making the work easy and quick.

[0084] The support member (630) is preferably formed to extend inward from the second holder (610), but is preferably formed to extend perpendicularly to the second holder (610). As a result, a structure is formed that can support the 3D printed object (10) by placing the 3D printed object (10) on the protruding support member (630).

[0085] Additionally, it is preferable that they are formed in pairs spaced apart at a predetermined interval. This has the effect of improving the support capacity of the 3D printed object (10).

[0086] At this time, it is preferable that the end of the support member (630) be bent upward, and this is referred to as a protruding member (631). This has the effect of further improving the support capacity of the 3D printed object (10).

[0087] It is preferable that the reinforcing member (640) be shaped to extend so as to connect a pair of supporting members (630). This has the effect of minimizing the shaking of the supporting members (630), thereby further improving the support area of ​​the 3D printed object (10).

[0088]

[0089] At this time, it is preferable that a plurality of second holder holes (521) are formed in one first holder part (500), and a second holder part (600) can be coupled to each second holder hole (521). As a result, a plurality of 3D printed objects (10) can be supported, so that the number of 3D printed objects (10) from which resin can be removed per unit time increases, thereby increasing work efficiency.

[0090]

[0091] Accordingly, the worker attaches the first holder part (500) to the rotator part (200), and then attaches the second holder part (600) to the first holder part (500) to place the 3D printed object (10). Thereafter, rotational force is provided to the rotator part (200) by the motor part (700), and the rotator part (200) rotates around the rotation axis (720). At this time, in response to the rotation of the rotator part (200), the first holder part (500), the second holder part (600), and the 3D printed object (10) also rotate together. As a result, centrifugal force is generated, and the resin remaining on the outer surface of the 3D printed object (10) is detached from the 3D printed object (10).

[0092] The detached resin is discharged into the space between the rotator part (200) and the first main body part (110) through the first holder hole (520), the second holder hole (521), the rotator hole (211), etc. that are penetrated. The discharged resin falls on the bottom surface (112), and the resin flows along the slanted bottom surface (112) due to the slanted bottom surface (112) and collects near the drain pipe (111).

[0093] The resin that falls through the drain pipe (111) is received in the tank section (400).

[0094]

[0095] Figures 9 and 10 are drawings illustrating the process of removing the tank part. Hereinafter, the configuration of the tank part (400) will be described with reference to Figures 9 and 10.

[0096] At one point of the second main body (120) described above, a hollow portion (121) is formed by opening, and a tank portion (400) is inserted into and joined to the hollow portion (121). In addition, it is preferable that the joint be detachable.

[0097] The tank section (400) includes a housing (410) and a hollow-shaped container (420) formed inside the housing. At this time, when the tank section (400) is coupled to the main body section (100), it is preferable that the container (420) be positioned at the lower portion in the vertical direction of the drain pipe (111). As a result, the resin that has fallen from the drain pipe (111) is ultimately accommodated in the container (420).

[0098] Accordingly, the worker can simply remove the tank part (400) from the main body part (100) to discard the resin contained in the receiver (420) to the outside of the 3D printer resin removal device.

[0099] In addition, the removed resin collected in the tank section (400) can be recycled, so there is an advantage of reducing the cost.

[0100]

[0101] At this time, it is preferable that an inwardly sunken groove (411) be formed at one point of the housing (410). In addition, the grooves (411) may be formed in a pair in a symmetrical shape. This allows a worker to easily grip the entire tank section (400) by inserting his / her hand into the groove (411), and has the advantage of allowing easy and rapid assembly and disassembly of the tank section (400).

[0102]

[0103] In addition, it is preferable that a mutually magnetic material be formed on the inner end of the tank part (400) and the outer end (122) of the second main body part (120) where the hollow part (121) is formed in contact therewith. As a result, when the tank part (400) is coupled to the second main body part (120), the coupling force is improved, so that the problem of the tank part (400) coming off during the rotation of the rotator part (200) can be minimized. In addition, since it is a magnetic coupling type, the tank part (400) can be detached from the second main body part (120) with only a predetermined force, so that the ease and speed of work are improved.

[0104]

[0105] Although the detailed description of the present invention has been described with reference to preferred embodiments of the present invention, it will be understood by those skilled in the art or having ordinary knowledge in the art that various modifications and changes can be made to the present invention without departing from the spirit and technical scope of the present invention as set forth in the claims below. Accordingly, the technical scope of the present invention should not be limited to the contents described in the detailed description of the specification, but should be defined by the claims.

[0106] [Explanation of symbols]

[0107] 10: 3D printer material,

[0108] 100: main body,

[0109] 101: Knob,

[0110] 111: Drain pipe,

[0111] 112: Floor surface,

[0112] 113: Inlet hole,

[0113] 114: Temperature sensor,

[0114] 110: First main body,

[0115] 120: Second main body,

[0116] 200: Rotator section,

[0117] 210: Rotator,

[0118] 211: Rotator Hall,

[0119] 212: Combination home,

[0120] 213: Motor Hall,

[0121] 300: Cap,

[0122] 400: Tank section,

[0123] 500: 1st holder section,

[0124] 510: 1st holder,

[0125] 520: 1st holder hole,

[0126] 521: 2nd holder hole,

[0127] 530: Fastener,

[0128] 540 : Clip,

[0129] 541: Handle,

[0130] 600: Second holder section,

[0131] 610: 2nd holder,

[0132] 620: Hanging member,

[0133] 630: Support member,

[0134] 631: Protruding member,

[0135] 640: Reinforcing member,

[0136] 700: Motor section,

[0137] 710: Motor,

[0138] 720: Rotation axis.

[0139] The present invention relates to a device for removing residual resin from a 3D printer, and more specifically, to a device capable of effectively removing residual resin from the outer surface of a 3D printer by rotating the 3D printer before post-curing and using centrifugal force.

Claims

1. Main body with hollow portion formed; A rotator part that is rotatably coupled within the main body part and has a plurality of penetrating rotator holes formed therein; and A first holder part is coupled to the inside of the above rotator part and supports a 3D printer; As the above rotator part rotates, the resin remaining on the outer surface of the 3D printer before post-curing is detached due to centrifugal force and discharged through the hollow part of the main body through the rotator hole. 3D printer residual resin removal device.

2. In paragraph 1, The above main body part, A first main body part in which the above hollow portion is formed; and A second main body part located below the first main body part and containing a motor part; The detached resin is received on the bottom surface forming the boundary between the first main body part and the second main body part, and is discharged through a drain pipe formed at a point on the bottom surface. 3D printer residual resin removal device.

3. In paragraph 2, One point of the above second main body is open and the tank part is connected; The detached resin discharged through the above drain pipe is received in the above tank section. 3D printer residual resin removal device.

4. In paragraph 3, The above tank part is replaceably connected to the second main body part. 3D printer residual resin removal device.

5. In paragraph 2, The lower part of the above rotator part is connected to the above motor part so that the rotator part can rotate. 3D printer residual resin removal device.

6. In paragraph 1, Including a second holder part coupled to one point of the first holder part; The second holder part is formed with a support member protruding toward the inner center of the second holder part, and the 3D printed object is supported by the support member. 3D printer residual resin removal device.

7. In paragraph 6, The above support member is replaceably connected to the second holder part. 3D printer residual resin removal device.

8. In paragraph 1, An inlet hole is formed at one point of the main body, and hot air generated by a heat generating unit outside the main body is introduced through the inlet hole and applied to the rotator unit, thereby maximizing the efficiency of removing residual resin. 3D printer residual resin removal device.

9. In paragraph 1, The heat generated by the heat generating part inside the main body is applied to the rotator part, thereby maximizing the efficiency of removing residual resin. 3D printer residual resin removal device.

10. In clause 8 or 9, A temperature sensor formed at a point of the above main body detects hot air or heat generated from the heat generating unit and restricts the supply. 3D printer residual resin removal device.

11. In paragraph 1, The removed resin can be collected and recycled. 3D printer residual resin removal device.

Images