Purification Apparatusfor 3D Printer

Abstract

The present invention relates to a purification device for a 3D printer capable of purifying harmful substances generated during the production of a mold while simultaneously adjusting the mounting position of the 3D printer. Specifically, it comprises a purification housing in which the 3D printer is embedded, a fastening member formed to be detachably attached to the inside of the purification housing, a mounting device coupled to the fastening member and which mounts the 3D printer and pulls it out to the outside, and a ventilation device formed on the upper part of the mounting device that circulates and filters internal air.

Description

Technology Field

[0001] The present invention relates to a purification device for a 3D printer that can purify harmful substances generated during the production of a molded object while simultaneously adjusting the mounting position of the 3D printer. Background Technology

[0003] Patent Document 001 presents a harmful gas purification device that absorbs harmful gases generated during the use of a 3D printer in a confined space and purifies them with a filter, comprising a chamber containing a 3D printer, one or more trays capable of being pulled out from inside the chamber to the outside while mounting the 3D printer, an air pump installed at the top of the chamber for injecting air into an air inlet duct, an air supply path having a shape that guides the air flowing in from the air inlet duct to the bottom of the chamber over the entire rear area of ​​the chamber, and a main filter that sucks in air rising to the top of the chamber, captures particles of harmful gases contained in the air, and guides the purified air back to the air pump.

[0004] Patent Document 002 presents a technology comprising: a bottom base case of the enclosure type with an open top; one or more 3D printer receiving cases detachably coupled to the top of the bottom base box and having a 3D printer installed inside; a top cover case of the enclosure type with an open bottom and detachably coupled to the top of the 3D printer receiving case; a forced convection means for forcibly convecting heat generated in the 3D printer receiving case through the bottom base case, the 3D printer receiving case, and the top cover case; a replaceable filter means for filtering dust or metal powder contained in the convected air, which is replaceably configured in the passage convected by the forced convection means; and a detachable coupling means for detachably coupling the bottom base case and the 3D printer receiving case, the 3D printer receiving case and the top cover case, and, in the case where two or more 3D printer receiving cases are provided.

[0005] Patent Document 003 comprises a sealed chamber for mounting the 3D printer inside, wherein the chamber is composed of a crossbar and a vertical bar, and includes upper and lower frames having inner assembly grooves formed on the upper and lower portions, and lower assembly grooves and upper assembly grooves formed on the lower portion and upper portion; a plurality of vertical frames assembled vertically at the corner between the upper and lower frames and having vertical assembly grooves formed therein; a connecting frame assembled between the vertical frames with a gap between the lower frame and the upper portion, having connecting assembly grooves formed therein; an upper finishing plate coupled and finished between the inner assembly grooves of the crossbar and the vertical bar; a lower bottom plate mounted on the lower portion of the crossbar and the vertical bar of the lower frame and fixed to the base simultaneously with fastening bolts; and left and right side finishing plates and a rear finishing plate coupled and finished between the vertical assembly groove of the vertical frame and the lower assembly groove and upper assembly groove of the crossbar and the vertical bar. The present invention provides a technology comprising: a connecting finishing plate formed between an upper assembly groove formed on the crossbar of the lower frame, a vertical assembly groove of the vertical frame, and a connecting assembly groove of the connecting frame; a front finishing member that is detachably finished as an attachment means on the front of the vertical frame, the upper frame, and the connecting frame, and has handles fastened on both sides of the front; and an odor removal device mounted on the inner surface of the crossbar or vertical bar of the lower frame to remove harmful odors generated during the molding of a three-dimensional object.

[0006] Patent invention 004 presents a technology comprising a cabinet that forms an exterior and protects a plurality of internal parts, a chamber that forms a printing space in which a three-dimensional molded product is formed by receiving a laser from a laser irradiator inside the cabinet, a concentration meter that measures the concentration of metal powder scattered inside the chamber, a powder transfer unit that transports metal powder inside the chamber, and a residual powder removal device that sprays inert gas inside the chamber to forcibly scatter aggregated metal powder, discharges the metal powder scattered inside the chamber to the outside together with the inert gas, and removes residual metal powder inside the chamber by filtering the metal powder through a filter assembly. Prior art literature

[0008] (Patent Document 0001) KR 10-2445860 B1 (September 16, 2022)(Patent Document 0002) KR 10-2100061 B1 (April 6, 2020)(Patent Document 0003) KR 20-0485820 Y1 (February 21, 2018)(Patent Document 0004) KR 10-2090674 B1 (March 12, 2020) The problem to be solved

[0009] The present invention relates to a purification device for a 3D printer that can purify harmful substances generated during the production of a molded object while simultaneously adjusting the mounting position of the 3D printer. means of solving the problem

[0011] The present invention is intended to solve the problems of conventional inventions and relates to a purification device for a 3D printer, comprising: a purification housing (100) in which a 3D printer (10) is embedded; a fastening member (200) formed to be detachably attached to the inside of the purification housing (100); a mounting device (300) coupled to the fastening member (200) and having the 3D printer (10) mounted thereon and pulled out to the outside; and a ventilation device (500) formed on the upper part of the mounting device (300) and circulating and filtering internal air.

[0012] The present invention relates to a purification device for a 3D printer, and comprises a purification housing (100) presented above; a fastening member (200); a mounting device (300); and a ventilation device (500). The invention further comprises a frame (110) formed on the purification housing (100) and fixed to the ground; a panel (120) formed on the frame (110) and having a transparent interior; and an opening / closing door (130) formed on one side of the frame (110) and opening / closing in one direction.

[0013] The present invention relates to a purification device for a 3D printer, and comprises a purification housing (100) as previously presented; a fastening member (200); a mounting device (300); and a ventilation device (500). The invention further comprises an opening / closing member (131) formed on the opening / closing door (130) and coupled to the purification housing (100); a variable member (132) formed on the opening / closing member (131) and configured to rotate and slide on one side of the purification housing (100); and a locking member (133) formed on the opening / closing member (131) and configured to fix to the purification housing (100).

[0014] The present invention relates to a purification device for a 3D printer, and adds a plurality of fastening holes (111) formed in the frame (110) to which the fastening member (200) is fastened, to the purification housing (100) presented above; the fastening member (200) is fastened.

[0015] The present invention relates to a purification device for a 3D printer, and comprises a purification housing (100) as described above; a fastening member (200); a mounting device (300); and a ventilation device (500). The invention further includes a fastening projection (210) formed at both ends of the fastening member (200) and fastened to the fastening hole (111); and a support member (220) formed on the fastening member (200) and supporting the mounting device (300).

[0016] The present invention relates to a purification device for a 3D printer, and comprises a purification housing (100) as previously described; a fastening member (200); a mounting device (300); and a ventilation device (500). The invention further includes a mounting plate (310) formed on the mounting device (300) on which a 3D printer (10) is mounted on the upper portion, and a pull-out rail (320) formed on both sides of the mounting plate (310) and mounted on the fastening member (200).

[0017] The present invention relates to a purification device for a 3D printer, and comprises a purification housing (100) as described above; a fastening member (200); a mounting device (300); and a ventilation device (500). The invention further includes a balance weight (330) formed on the mounting device (300) and connected to the rear surface of the mounting plate (310); and a moving device (340) formed between the balance weight (330) and the mounting plate (310) and moving the balance weight (330) in a direction opposite to the mounting plate (310).

[0018] The present invention relates to a purification device for a 3D printer, and comprises a purification housing (100) as previously described; a fastening member (200); a mounting device (300); and a ventilation device (500). The invention further includes a blower unit (510) formed in the ventilation device (500) to circulate air inside the purification housing (100); and a filter unit (530) formed between a plurality of blower units (510) to filter foreign substances.

[0019] The present invention relates to a purification device for a 3D printer, and the invention comprises a purification housing (100); a fastening member (200); a mounting device (300); and a ventilation device (500) as described above, wherein the filtration unit (530) is formed with at least one of a UV filter, an ionizer, and a carbon filter (531). Effects of the invention

[0021] The present invention allows a 3D printer to be simply mounted as the mounting plate is drawn out from the inside of the purification housing to the outside.

[0022] The present invention allows the position of a 3D printer to be adjusted as fastening holes are formed in the frame so that the height of the mounting plate can be adjusted.

[0023] The present invention has reinforcing links installed on the mounting plate so that the mounting plate of the 3D printer can support the load when it is pulled out.

[0024] The present invention is capable of discharging and circulating harmful gases generated inside a purification housing by forming a ventilation device.

[0025] The present invention is capable of filtering harmful gases by forming at least one filtration filter in a ventilation device. Brief explanation of the drawing

[0027] FIG. 1 is a perspective view of a purification device for a 3D printer according to the present invention. FIGS. 2 and 3 are perspective views of a purification housing with the opening / closing door of the present invention opened. FIG. 4 is a cross-sectional view of the purification housing of the present invention. FIGS. 5 and 6 are cross-sectional views of a mounting device having a reinforcing link formed thereon according to the present invention. FIG. 7 is a cross-sectional view of a mounting device with a balance weight installed according to the present invention. FIGS. 8 to 9 are cross-sectional views of the ventilation device of the present invention. Specific details for implementing the invention

[0028] Hereinafter, the most preferred embodiment of the present invention is described in detail so that a person skilled in the art to which the present invention pertains can easily practice the present invention.

[0029] The numbers cited in the following embodiments are not limited to the subjects of citation but may be applied to all embodiments. Subjects that exhibit the same purpose and effect as the configuration presented in the embodiments correspond to equivalent substitute subjects. The superordinate concepts presented in the embodiments include subjects of subordinate concepts that are not described.

[0031] (Example 1-1) The present invention comprises a purification device for a 3D printer, comprising: a purification housing (100) in which a 3D printer (10) is embedded; a fastening member (200) formed to be detachably attached to the inside of the purification housing (100); a mounting device (300) coupled to the fastening member (200) and having the 3D printer (10) mounted thereon and pulled out to the outside; and a ventilation device (500) formed on the upper part of the mounting device (300) and circulating and filtering internal air.

[0032] (Example 1-2) The purification device for a 3D printer according to the present invention comprises, in Example 1-1, that the purification housing (100) is formed from one selected from metal, synthetic resin, and glass.

[0033] (Example 1-3) The purification device for a 3D printer according to Example 1-2 comprises, wherein the purification housing (100) is formed as a profile and is formed by assembling each other.

[0034] (Examples 1-4) The purification device for a 3D printer according to the present invention comprises, in Example 1-3, that the purification housing (100) is formed so that its interior is permeable.

[0035] (Examples 1-5) The purification device for a 3D printer according to the present invention comprises, in Example 1-4, that the ventilation device (500) is installed so as to be detachably attached to the outside of the purification housing (100).

[0036] The present invention relates to a purification device for a 3D printer, and specifically, the purification device for a 3D printer purifies harmful gases and dust generated from a 3D printer (10). This purification device for a 3D printer is equipped with a 3D printer (10) that manufactures a three-dimensional object in the form of additive manufacturing by melting materials through various types of small nozzles heated according to a program, without undergoing high-cost mold making such as injection and extrusion, and purifies harmful gases and dust generated when manufacturing the object. At this time, as the object is manufactured into various shapes by heat using materials such as resin or polymer carbon compounds, plastics, ceramics / metals, composite raw materials, or photocurable resins, it prevents harmful substances and harmful gases generated from the materials from being discharged to the outside.

[0037] To overcome this, a purification device for a 3D printer, with reference to FIG. 1, has a purification housing (100) formed therein in which a 3D printer (10) is stored. The purification housing (100) is formed of metal, synthetic resin, glass, etc., and the height of the 3D printer (10) is adjusted while simultaneously circulating internal air to filter it in a ventilation device (500). The purification housing (100) is formed as a profile and can be assembled together, and as the interior is transparent, the shape of the object and the manufacturing process can be checked.

[0038] And the ventilation device (500) is installed so as to be detachably attached to the outside of the purification housing (100), and a fastening member (200) is formed inside the purification housing (100) where the ventilation device (500) is installed. In addition, a mounting device (300) on which a 3D printer (10) is mounted is formed on the fastening member (200), and the mounting device (300) can slide into the front and inside of the purification housing (100) to change the position of the 3D printer (10). This is to make it easier to separate the molded object manufactured by the 3D printer (10) or to add materials.

[0039] Accordingly, the purification device for a 3D printer according to the present invention has the characteristic of purifying harmful substances, harmful gases, and dust generated when manufacturing a molded object while varying the position of the 3D printer (10).

[0041] (Example 2-1) The present invention relates to a purification device for a 3D printer, and in Example 1-1, comprises: a frame (110) formed on the purification housing (100) and fixed to the ground; a panel (120) formed on the frame (110) and having a transparent interior; and an opening / closing door (130) formed on one side of the frame (110) and opening / closing in one direction.

[0042] (Example 2-2) The purification device for a 3D printer according to Example 2-1 includes a plurality of fastening holes (111) formed in the frame (110) and into which the fastening member (200) is fastened.

[0043] (Example 2-3) The purification device for a 3D printer according to Example 2-2 comprises an opening / closing member (131) formed on the opening / closing door (130) and coupled to the purification housing (100).

[0044] (Example 2-4) The purification device for a 3D printer according to Example 2-1 includes a variable member (132) formed on the opening / closing member (131) and rotating and sliding on one side of the purification housing (100).

[0045] (Example 2-5) The purification device for a 3D printer according to Example 2-5 comprises a locking member (133) formed on the opening / closing member (131) and fixed to the purification housing (100).

[0046] The present invention relates to a purification housing (100), specifically, the purification housing (100) is fixed to the ground and a 3D printer (10) is placed inside. Referring to FIGS. 2 and 3, the purification housing (100) is formed with a frame (110) fixed to the ground, and the frame (110) is formed of various materials such as metal or synthetic resin and has a transparent panel (120) attached to it. The frame (110) is formed with a vertical frame (110) extending vertically from the ground and a frame (110) plate formed on the rear of a plurality of vertical frames (110). At this time, a plurality of fastening holes (111) are arranged at equal intervals in the vertical frame (110), and the fastening holes (111) are formed perpendicular to the vertical frame (110). And the fastening hole (111) is where the fastening member (200) is fastened, and the position of the 3D printer (10) is determined according to the position of the fastening member (200) coupled to the fastening hole (111). This is to determine the position where the 3D printer (10) is placed on the ground.

[0047] In addition, a plurality of vertical frames (110) have an opening / closing door (130) formed on the front, and it is preferable that panels (120) that allow the interior to be transparent are formed on both sides of the purification housing (100) where the opening / closing door (130) is installed. In addition, the panels (120) are formed of glass, transparent synthetic resin, etc., and the position and operating status of the 3D printer (10) can be checked as the interior is transparent. Also, the frame (110) plate is formed with a predetermined thickness so that various equipment, such as supplying current to the ventilation device (500), can be accommodated.

[0048] Additionally, the opening / closing door (130) is formed with an opening / closing member (131) that is coupled to the front of the purification housing (100), and the opening / closing member (131) has a locking member (133) and a sealing member formed therein to prevent harmful substances, harmful gases, dust, etc. from being released to the outside from the purification housing (100). Furthermore, a variable member (132) is formed between the opening / closing members (131) and is formed as a hinge, a sliding member, etc. to guide the opening / closing member (131) to be opened and closed from the purification housing (100).

[0050] (Example 3-1) The present invention relates to a purification device for a 3D printer, and in Examples 2-1 to 2-5, it comprises: a fastening projection (210) formed at both ends of the fastening member (200) and fastened to the fastening hole (111); and a supporting member (220) formed on the fastening member (200) and supporting the mounting device (300).

[0051] (Example 3-2) The purification device for a 3D printer according to Example 3-1 comprises, wherein the fastening projection (210) includes an extension projection extending outward from the fastening member (200); and a catch projection formed at the end of the extension projection and extending downward to engage with the fastening hole (111).

[0052] (Example 3-3) The purification device for a 3D printer according to Example 3-1 includes a fastening plate formed on the support member (220) and formed to have a step so as to be coupled to the mounting device (300).

[0053] (Example 3-4) The purification device for a 3D printer according to Example 3-3 includes a guide rail (221) formed on the support member (220) and guiding the withdrawal of the mounting device (300).

[0054] The present invention relates to a fastening member (200), specifically, the fastening member (200) is formed between a plurality of frames (110) formed in a purification housing (100) and between the frames (110) and the frame (110) plate, so that a mounting device (300) is fastened. Referring to FIG. 4, the fastening member (200) has a fastening projection (210) formed to be fastened to a fastening hole (111) formed in the frame (110), and the fastening projection (210) is formed to extend outward from both ends of a support member (220). At this time, the plurality of fastening projections (210) protrude in the same direction, and an extension projection extending outward from the support member (220) and a catch projection extending downward from the end of the extension projection to engage with the fastening hole (111) are formed.

[0055] And the support member (220) is formed with a step so that a fastening plate to which the mounting device (300) is coupled is formed, and a guide rail (221) is formed on the fastening plate so that the mounting device (300) can be guided to be pulled out to the front after being coupled.

[0056] In this way, the position of the 3D printer (10) can be varied as the position of the mounting device (300) is determined according to the position of the fastening hole (111) by the fastening member (200) being coupled to the fastening hole (110).

[0058] (Example 4-1) The present invention relates to a purification device for a 3D printer, and in Example 3-1, comprises: a mounting plate (310) formed on the mounting device (300) and on which a 3D printer (10) is mounted; and a pull-out rail (320) formed on both sides of the mounting plate (310) and mounted on the fastening member (200).

[0059] (Example 4-2) The purification device for a 3D printer according to the present invention comprises, in Example 4-1, a reinforcing member formed on the mounting plate (310) and supporting the load of the 3D printer (10).

[0060] (Example 4-3) The purification device for a 3D printer according to the present invention comprises, in Examples 3-4 to 4-2, a rail case formed on the extraction rail (320) and inserted into the guide rail (221).

[0061] (Example 4-4) The purification device for a 3D printer according to the present invention comprises, in Example 4-2, a pull-out wheel formed on the rail case and guiding the mounting plate (310).

[0062] (Example 4-5) The purification device for a 3D printer according to Example 4-4 includes a reinforcing link (400) formed on the front surface of the extraction rail (320) and connected to a guide member (140) formed on the inner side of the frame (110).

[0063] The present invention relates to a mounting device (300), and specifically, the mounting device (300) is configured to mount a 3D printer (10) on its upper surface. Referring to FIGS. 3 and 4, the mounting device (300) is formed by drawing out from inside a purification housing (100) to form a mounting plate (310) on which the 3D printer (10) is mounted. Additionally, drawing rails (320) are formed on both sides of the mounting plate (310) and inserted into the guide rails (221) of the fastening member (200). At this time, a reinforcing member is formed on the mounting plate (310) to support the load of the 3D printer (10), and the reinforcing member is formed in various shapes, such as a grid or an X, on the upper or lower part of the mounting plate (310). In addition, the pull-out rail (320), which is fixed to both sides of the mounting plate (310) by means of fixing hardware, has a rail case formed that is inserted into the guide rail (221), and the rail case can be formed in various shapes to prevent it from coming off the guide rail (221). In addition, a pull-out wheel is formed on the rail case and can guide the mounting plate (310) to facilitate its pull-out.

[0064] Additionally, a reinforcing link (400) is formed on the extraction rail (320) and is positioned diagonally so that it can support the load of the 3D printer (10) when the mounting plate (310) is pulled out to the front. Furthermore, when the mounting plate (310) is inserted into the interior of the purification housing (100), the length of the reinforcing link (400) can be varied or the angle adjusted so that the reinforcing link (400) can be prevented from protruding to the outside of the purification housing (100).

[0065] (Example 4-6) The purification device for a 3D printer according to Example 4-5 comprises, wherein the reinforcing link (400) includes a guide bar (410) into which the guide member (140) is inserted.

[0066] (Example 4-7) The purification device for a 3D printer according to Example 4-6 includes a guide hole (430) formed on the upper part of the guide bar (410) and into which the guide member (140) is inserted.

[0067] (Example 4-8) The purification device for a 3D printer according to Example 4-7 comprises, wherein the guide member (140) includes a guide projection (141) that protrudes inwardly toward the frame (110) to which the opening / closing door (130) contacts.

[0068] The present invention relates to a reinforcing link (400), specifically, the reinforcing link (400) is formed diagonally by being coupled to the front surface of the mounting rail. Referring to FIG. 5, the reinforcing link (400) is connected to a guide member (140) formed on the front surface of the mounting rail and the upper surface of the frame (110) to prevent shearing and sagging of the mounting plate (310) that is pulled out to the front surface of the purification housing (100). Additionally, the reinforcing link (400) is formed with a guide bar (410) into which the guide member (140) is inserted, and since the end of the guide bar (410) is connected to the mounting rail by a hinge, the guide bar (410) is rotated at a predetermined angle when the mounting plate (310) is pulled out. Furthermore, the other end of the guide bar (410) has a guide hole (430) formed in the longitudinal direction of the guide bar (410) into which the guide member (140) is inserted. At this time, when the mounting plate (310) is inserted into the interior of the purification housing (100), the guide member (140) is formed at the lower position of the guide hole (430), and when the mounting plate (310) is withdrawn, the guide member (140) is formed at the end of the guide hole (430). Also, when the mounting plate (310) is inserted, the guide bar (410) is formed to be vertical, identical to the frame (110).

[0069] (Example 4-9) The purification device for a 3D printer according to Example 4-5 comprises, wherein the reinforcing link (400) includes a guide bar (410) coupled to the guide member (140); and guide holes (430) formed at one end of the guide bar (410) and formed in a plurality.

[0070] (Example 4-10) The purification device for a 3D printer according to the present invention comprises, in Example 4-9, a variable device (420) formed at the end of the guide bar (410) and varying the position of the guide member (140).

[0071] (Example 4-11) The purification device for a 3D printer according to Example 4-10 comprises: a guide shaft (421) formed in the variable device (420) and coupled to the guide hole (430); a variable roller (422) formed at one end of the guide shaft (421) and seated on the guide member (140); and an elastic member (423) connecting a plurality of the variable rollers (422) and generating elastic force.

[0072] (Example 4-12) The purification device for a 3D printer according to Example 4-11 comprises: a guide member (140) connected between a plurality of frames (110) and a reinforcing rail (142) formed on the upper part of the fastening member (200); and a stopper (143) protruding inwardly from the reinforcing rail (142) and on which the variable roller (422) is seated.

[0073] (Example 4-13) The purification device for a 3D printer according to Example 4-12 comprises: a first guide hole (430) formed in the guide hole (430) and located on the upper part of the reinforcing rail (142); and a second guide hole (430) formed at the lower end of the first guide hole (430) and formed in plurality on both sides.

[0074] The present invention relates to a reinforcing link (400), specifically, the reinforcing link (400) is formed diagonally and coupled to the front surface of the mounting rail to prevent sagging and shearing of the mounting plate (310). Referring to FIG. 6, the reinforcing link (400) is formed with a guide bar (410) coupled to a guide member (140) formed on a frame (110), and a variable device (420) formed at one end of the guide bar (410) and coupled to the guide member (140). At this time, the variable device (420) is coupled to a plurality of frames (110) or to a guide member (140) formed between the frame (110) and the frame (110) plate.

[0075] And the guide member (140) is connected between a plurality of frames (110) and is formed to be spaced apart from the upper part of the fastening member (200), and a reinforcing rail (142) is formed in which the variable device (420) is accommodated and moves. In addition, a stopper (143) is formed on the upper and lower parts of the reinforcing rail (142) so as to guide the position of the variable device (420).

[0076] And the variable device (420) coupled to the guide member (140) is formed with a variable roller (422) coupled to the guide member (140), and the variable roller (422) is formed at the end of a guide shaft (421) that penetrates a plurality of guide holes (430) formed in the guide bar (410). At this time, the variable roller (422) can guide the movement of the guide bar (410) that moves simultaneously as the mounting plate (310) moves, and is mounted on a stopper (143) formed in the guide member (140) to prevent the guide bar (410) from moving. In addition, the variable roller (422) is formed in each of the multiple guide holes (430), and the guide holes (430) are formed such that the first guide hole (430) is located at the upper part of the reinforcing rail (142) and the second guide holes (430) are formed in multiple numbers on both sides centered on the position of the first guide hole (430). Furthermore, as the second guide holes (430) are formed by cutting in the width direction of the guide member (140), the variable roller (422) moves up and down by means of an elastic member (423) formed as a spring that generates elastic force when passing the stopper (143). At this time, it is preferable that the elastic member (423) connects the variable roller (422) of the first guide hole (430) and the variable roller (422) of the second guide hole (430).

[0078] (Example 5-1) The present invention relates to a purification device for a 3D printer, and in Example 4-1, comprises: a balance weight (330) formed on the mounting device (300) and connected to the rear surface of the mounting plate (310); and a moving device (340) formed between the balance weight (330) and the mounting plate (310) and moving the balance weight (330) in a direction opposite to the mounting plate (310).

[0079] (Example 5-2) The purification device for a 3D printer according to the present invention comprises, in Example 5-1, a moving rail (331) formed at the bottom of the balance weight (330) and moving the balance weight (330).

[0080] (Example 5-3) The purification device for a 3D printer according to Example 5-2 includes an elastic body (332) formed on the moving rail (331) and connected to one surface of the balance weight (330) to move the balance weight (330) by means of elasticity.

[0081] (Example 5-4) The purification device for a 3D printer according to Example 5-3 includes a connecting wire (341) formed on the moving device (340) and connecting the mounting plate (310) and the balance weight (330).

[0082] (Example 5-5) The purification device for a 3D printer according to Example 5-1 includes a winding roller (342) formed on the moving device (340) and formed on the rear surface of the moving rail (331) to wind the connecting wire (341).

[0083] (Example 5-6) The purification device for a 3D printer according to the present invention comprises, in Example 5-1, that the winding roller (342) adjusts the position of the mounting plate (310) and the balance weight (330) as it rotates.

[0084] The present invention relates to a mounting device (300), and specifically, the mounting device (300) is formed on the rear surface of a mounting plate (310) to prevent sagging of the 3D printer (10). Referring to FIG. 7, this mounting device (300) prevents the mounting plate (310), on which the 3D printer (10) is mounted and withdrawn, from sagging due to the load of the 3D printer (10). In addition, the mounting device (300) has a balance weight (330) formed on the rear surface of the mounting plate (310), and the balance weight (330) is formed on the rear surface or bottom surface of the mounting plate (310) and prevents sagging of the mounting plate (310) as it moves in a different direction from the mounting plate (310) by a moving device (340).

[0085] And when the balance weight (330) is formed at the bottom of the mounting plate (310), the balance weight (330) is formed on the movable rail (331) formed at the bottom of the mounting plate (310), and the movable rail (331) guides and moves the position of the balance weight (330). In addition, an elastic body (332) formed as a spring is formed on the movable rail (331), and one end of the elastic body (332) is fixed to the front of the purification housing (100), and the other end is connected to the balance weight (330). As a result, when the mounting plate (310) is withdrawn, the balance weight (330) moves to the rear of the purification housing (100), and when the mounting plate (310) is inserted, the balance weight (330) moves to the front of the purification housing (100) by the elastic body (332).

[0086] And a moving device (340) is formed between the balance weight (330) and the mounting plate (310), and the moving device (340) is formed with a connecting wire (341) connecting the mounting plate (310) and the balance weight (330) and a winding roller (342) for changing the angle of the connecting wire (341). The winding roller (342) is formed on the rear side of the purification housing (100), and as the connecting wire (341) is wound and connected to the balance weight (330), the balance weight (330) is moved as the winding roller (342) rotates when the mounting plate (310) is pulled out.

[0088] (Example 6-1) The present invention relates to a purification device for a 3D printer, and in Example 5-1, comprises: a blower unit (510) formed in the ventilation device (500) and circulating air inside the purification housing (100); and a filter unit (530) formed between a plurality of blower units (510) and filtering foreign substances.

[0089] (Example 6-2) The purification device for a 3D printer according to Example 6-1 comprises: a blower case (511) formed in the blower unit (510) and formed to be detachably attached to the outside of the purification housing (100); and a blower fan (520) formed inside the blower case (511) and circulating air inside the purification housing (100).

[0090] (Example 6-3) The purification device for a 3D printer according to Example 6-2 comprises: a blower motor (521) formed on the blower fan (520) and rotating by power; and a blade connected to and rotating the blower motor (521).

[0091] (Example 6-4) The purification device for a 3D printer according to the present invention comprises, in Example 6-3, a rotating shaft (522) formed on the blower motor (521) and rotating the blade.

[0092] (Example 6-5) The purification device for a 3D printer according to Example 6-2 comprises: an inlet (511a) formed in the blower case (511) through which harmful gas and dust inside the purification housing (100) are introduced; and an outlet (511b) formed spaced apart from the inlet (511a) through which filtered air or external air is discharged.

[0093] (Example 6-6) The purification device for a 3D printer according to the present invention comprises, in Example 6-5, a circulation hole (512) formed on the outer side of the blower case (511) through which external air is circulated.

[0094] (Example 6-7) The purification device for a 3D printer according to Example 6-1 comprises a filtration filter (531) formed in the filtration unit (530) and formed of at least one of a UV, an ionizer, and a carbon filter.

[0095] (Example 6-8) The purification device for a 3D printer according to Example 6-1 includes a fastening housing (532) formed in the filtration unit (530) and to which the filtration filter (531) is detachably fastened.

[0096] The present invention relates to a ventilation device (500), and specifically, the ventilation device (500) is formed on the upper part of a purification housing (100) to filter harmful gases, harmful substances, dust, etc. generated when producing a molded object in a 3D printer (10). Referring to FIGS. 8 and 9, the ventilation device (500) is formed with a blower unit (510) that circulates air inside the purification housing (100), and the blower unit (510) has a blower case (511) formed to be detachably attached to the outside, such as the upper, lower, or side of the purification housing (100). At this time, the blower case (511) is formed in a box shape, and a blower fan (520) that circulates air inside is formed. Additionally, a plurality of circulation holes (512) are formed connected to the outside of the blower case (511) to allow external air to be introduced or filtered air to be discharged.

[0097] In addition, an inlet (511a) is formed on the surface where the blower case (511) and the purification housing (100) meet, through which harmful gases and dust are introduced, and an outlet (511b) is formed so as to be spaced apart from the inlet (511a), through which filtered air or air introduced through the circulation hole (512) is discharged into the purification housing (100). Furthermore, as a blower fan (520) is formed at the inlet (511a) and the outlet (511b), the introduced harmful gases, harmful substances, dust, etc. are filtered, and the air introduced into the blower case (511) is discharged through the outlet (511b) of the purification housing (100).

[0098] In addition, the blower fan (520) is formed with a blower motor (521) that rotates by power, and a blower motor (521) is formed in each of the blower fans (520) formed at the inlet (511a) and the outlet (511b). Furthermore, the blower motor (521) has blades formed between the inlet (511a) and the outlet (511b), and as the blades are formed differently from each other, they can draw in and discharge air inside the purification housing (100). Also, the blades formed at the inlet (511a) and the outlet (511b) are formed at different angles, so that the pressure can be formed differently by the same rotational force of the outlet (511b).

[0099] And the blower motor (521) has a rotating shaft (522) to which the blade is connected, and the rotating shaft (522) can rotate multiple blades by one blower motor (521) by connecting the blade formed at the inlet (511a) and the blade formed at the outlet (511b) separately or simultaneously. To explain this in detail, a first rotating shaft (522) is formed in the blower motor (521) to connect the blade in the direction of the inlet (511a), and a second rotating shaft (522) is formed on the first rotating shaft (522) to extend toward the blade of the outlet (511b) by forming a bevel gear. And as the second rotation shaft (522) is formed with a third rotation shaft (522) connected to the blade of the discharge port (511b), when the first rotation shaft (522) is rotated by the blower motor (521), the second rotation shaft (522) and the third rotation shaft (522) rotate by the bevel gear, and the blades formed at the inlet port (511a) and the discharge port (511b) rotate to discharge the air inside the purification housing (100) to the outside and introduce outside air into the purification housing (100).

[0100] In addition, a filtration unit (530) is formed between multiple blower units (510), and the filtration unit (530) filters the circulating air by arranging one or multiple filtration filters (531) formed from UV, ionizer, and carbon filters. Furthermore, the filtration filter (531) is attached to a fastening housing (532) formed in the blower case (511) so as to be detachably attached, and the fastening housing (532) can be attached regardless of the type of filtration filter (531) as the horizontal spacing is adjusted. Explanation of the symbols

[0102] 10: 3D printer 100: purification chamber 110: Frame 111: Fastening hole 120: Panel 130: Open / close door 131: Opening / closing member 132: Variable member 133: Locking member 140: Guide member 141: Guide projection 142: Reinforcement rail 143: Stopper 200: Fastening member 210: Fastening projection 220: Support member 221: Guide rail 300: Mounting device 310: Mounting plate 320: Pull-out rail 330: Balance weight 331: Moving rail 332: Elastic body 340: Moving device 341: Connecting wire 342: Winding roller 400: Reinforcement link 410: Guide bar 420: Variable device 421: Guide shaft 422: Variable roller 423: Elastic member 430: Guide hole 500: Ventilation device 510: Blower unit 511: Blower case 511a: Inlet 511b: Outlet 512: Circulation hole 520: Blower fan 521: Blower motor 522: Rotating shaft 530: Filtration unit 531: Filtration filter 532: Fastening housing

Claims

Claim 1 A purification housing (100) in which a 3D printer (10) is embedded; a fastening member (200) formed to be detachably formed inside the purification housing (100); a mounting device (300) coupled to the fastening member (200) and on which the 3D printer (10) is mounted and pulled out to the outside; a mounting plate (310) formed on the mounting device (300) and on which the 3D printer (10) is mounted on the upper part; a pull-out rail (320) formed on both sides of the mounting plate (310) and mounted on the fastening member (200); a balance weight (330) formed on the mounting device (300) and connected to the rear surface of the mounting plate (310); and a balance weight (330) connected to the balance weight (330) and the mounting plate (310), respectively, to move the balance weight (330) in the direction of movement of the mounting plate (310) and in the other direction. A purification device for a 3D printer comprising: a moving device (340); a ventilation device (500) formed on the upper part of the mounting device (300) and circulating and filtering internal air. Claim 2 A purification device for a 3D printer according to claim 1, comprising: a frame (110) formed on the purification housing (100) and fixed to the ground; a panel (120) formed on the frame (110) and having a transparent interior; and an opening / closing door (130) formed on one surface of the frame (110) and opening / closing in one direction. Claim 3 A purification device for a 3D printer according to claim 2, comprising: an opening / closing member (131) formed on the opening / closing door (130) and coupled to the purification housing (100); a variable member (132) formed on the opening / closing member (131) and rotating and sliding on one side of the purification housing (100); and a locking member (133) formed on the opening / closing member (131) and fixed to the purification housing (100). Claim 4 A purification device for a 3D printer according to claim 2, comprising a plurality of fastening holes (111) formed in the frame (110) and into which the fastening member (200) is fastened. Claim 5 A purification device for a 3D printer according to claim 4, comprising: a fastening projection (210) formed at both ends of the fastening member (200) and fastened to the fastening hole (111); and a support member (220) formed on the fastening member (200) and supporting the mounting device (300). Claim 6 delete Claim 7 delete Claim 8 A purification device for a 3D printer according to claim 1, comprising: a blower unit (510) formed in the ventilation device (500) and circulating air inside the purification housing (100); and a filter unit (530) formed between a plurality of blower units (510) and filtering foreign substances. Claim 9 A purification device for a 3D printer according to claim 8, wherein the filtration unit (530) comprises a filtration filter (531) formed from at least one of a UV, an ionizer, and a carbon filter.

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