A dust removal device for 3D printing consumables

Abstract

The present invention relates to a dust removal device for 3D printing consumables, comprising: a feed pipe, wherein the feed pipe is located between a feed mechanism and a material tray and is connected to the back of a 3D printer, wherein the feed pipe is used to insert consumables, and the feed mechanism can convey consumables. The present invention is provided with a feed pipe and an air bag part, wherein a long-term protective track for the consumables conveying process can be combined therebetween, and this segment can continuously obtain a protective effect during non-printing; and the present invention is provided with a repeated compression part, wherein the repeated compression part can repeatedly cyclically squeeze the upper and lower ends of the air bag part, so that after the inner wall of the air bag part scrapes the consumables during the conveying process at full angles, the dust is discharged from top to bottom at full angles along with the exhaust process of the air bag part, and the work can be cyclically performed, thereby avoiding the generation of a dust cleaning dead angle on the side wall of the consumables, and also avoiding the dust discharge track being blocked, so that the dust discharge work obtains a consistent and efficient processing effect.

Description

Technical Field

[0001] The present invention relates to the technical field of 3D printing consumables, and in particular to a dust removal device for 3D printing consumables. Background Art

[0002] PLA and ABS are generally used as consumables in the working process of desktop 3D printers. One end of the consumable is wound on the reel, and the other end of the consumable is inserted and connected in the feed mechanism for extrusion from the print nozzle. When the 3D printing work is stopped, the consumable is easily contaminated with dust, which affects the quality of the printing work.

[0003] The existing patent number CN201911293499.9 is a winding auxiliary device for the production of 3D printing consumables. The surface side of the passing wire is scraped and brushed to remove dust by a cleaning component. The cleaning component includes an upper brush, a lower brush, a vacuum cleaner, a main pipe and a branch pipe. The upper brush and the lower brush are fixedly installed between the second support frame by bolts. The vacuum cleaner is installed on the upper part of the base by bolts. The suction end of the vacuum cleaner is connected to the main pipe through a flange. The main pipe is fixedly arranged on the upper part of the base by a pipe clamp. The branch pipes are evenly and equidistantly connected to the upper part of the main pipe. The ends of each group of branch pipes are threadedly connected with a dust cover. However, the patent has the following problems;

[0004] 1. The upper brush and the lower brush can only act on the two parallel surfaces of the consumables, while the side of the consumables is a curved surface. In this case, there is a dead angle in the scraping process of the side wall of the consumables, and the dust removal efficiency is not enough;

[0005] 2. Some branch pipes can only absorb dust from the consumables in one direction from bottom to top. The dust on the top of the consumables can easily block the force, causing the dust absorption work to fail at a local angle, and also making the cleanliness of the sides of the consumables at different angles inconsistent. Summary of the invention

[0006] The technical problem to be solved by the present invention is to overcome the technical problem of dust accumulation of 3D printing consumables during idleness in the prior art and provide a dust removal device for 3D printing consumables.

[0007] The technical solution adopted by the present invention to solve the technical problem is: a dust removal device for 3D printing consumables, comprising:

[0008] A material delivery pipe, which is located between the material delivery mechanism and the material tray and connected to the back of the 3D printer. The material delivery pipe is used to insert the consumables, and the material delivery mechanism can transport the consumables;

[0009] An airbag part, one end of which is connected to the feeding pipe, and the consumables pass through the airbag part;

[0010] A repeated compression part, the repeated compression part is located outside the airbag part, and the repeated compression part is arranged on the back of the 3D printer, wherein

[0011] The repeated compression part is driven, and the repeated compression part can repeatedly and intermittently compress the airbag part, so that the airbag part cleans the consumables and then discharges dust.

[0012] Furthermore, the repeated compression unit includes a motor disposed on the back of the 3D printer, a connecting rod driven by the motor, two first movable rods hingedly disposed on the connecting rod in a mirror-image manner, and two angle code rods hingedly disposed on the two first movable rods in a mirror-image manner, wherein

[0013] By driving the motor, the connecting rod can rotate so that the two first movable rods pull the two angle code rods to move towards each other.

[0014] Furthermore, the repeated compression unit further comprises a fixing rod disposed on the back of the 3D printer, four fixing columns disposed at the upper and lower ends of the fixing rod, and four bushings disposed outside the four fixing columns;

[0015] The four sleeves are arranged in pairs on the two angle bars, wherein

[0016] When the two first movable rods pull the two angle code rods to move toward each other, the four bushings can move along the four fixed columns.

[0017] Further, the airbag portion includes a corrugated airbag between the two angle code rods, and four cleaning portions are arranged in a ring shape at different heights on the inner wall of the corrugated airbag;

[0018] The four cleaning parts can side against the consumables;

[0019] The four cleaning parts are shaped like a quarter ring when viewed from above, and the four cleaning parts can be combined into a disc shape, wherein;

[0020] When the feeding mechanism transports the consumables, the consumables can rub against the four cleaning parts in sequence to separate dust from the consumables.

[0021] Further, the cleaning part includes an arc-shaped rubber strip arranged inside the corrugated airbag and two bristles arranged in mirror images at the upper and lower ends of the arc-shaped rubber strip;

[0022] The bristles at two locations and one end of the arc-shaped rubber strip both abut against the consumables.

[0023] Furthermore, the airbag portion further includes a first through hole disposed at the central upper end of the corrugated airbag, and a second through hole disposed at the central lower end of the corrugated airbag;

[0024] The first through hole and the second through hole are coaxial, wherein

[0025] When the two first movable rods pull the two angle code rods to move toward each other, the two angle code rods can compress the corrugated airbag to allow the second through hole to deflate and discharge dust.

[0026] Furthermore, the airbag portion further includes a plurality of air inlet holes circumferentially arranged at the lower end of the corrugated airbag;

[0027] A plurality of the air inlet holes are coaxial with the second through hole;

[0028] After the second through hole is deflated and ash is discharged, a plurality of the air inlet holes can inhale air to reset the corrugated airbag.

[0029] Furthermore, a sealing rubber ring is integrally formed on the first through hole;

[0030] The inner wall of the sealing rubber ring has an arched cross-sectional edge line when viewed from the front.

[0031] The inner wall of the sealing rubber ring can abut against the consumables.

[0032] Furthermore, the dust removal device for 3D printing consumables further includes a first valve portion;

[0033] The first valve portion includes a plurality of first curved sector-shaped films arranged in a circumferentially inclined manner in the second through hole;

[0034] The plurality of the first curved fan-shaped films can abut against the consumables;

[0035] The first curved sector-shaped films are mutually supported to form a hollow truncated cone, wherein

[0036] When the second through hole is vented, a plurality of the first curved fan-shaped films can be dispersed.

[0037] Furthermore, the dust removal device for 3D printing consumables further includes a plurality of second valve parts;

[0038] Each of the second valve parts is arranged in each of the air inlet holes;

[0039] The second valve portion includes a plurality of second curved sector-shaped films arranged in a circumferentially inclined manner in the air inlet hole;

[0040] A plurality of the second curved fan-shaped films are mutually supported to form a hollow cone, wherein

[0041] When the air inlet hole takes in air, a plurality of the second curved sector-shaped films can be dispersed.

[0042] The beneficial effect of the present invention is that the present invention is provided with a conveying pipe and an air bag part, and a long-term protection track for the consumable material conveying process can be combined therebetween, and this segment can continuously obtain a protective effect during the non-printing process;

[0043] The present invention is also provided with a repeated compression part, which can repeatedly and cyclically squeeze the upper and lower ends of the airbag part, so that after the inner wall of the airbag part scrapes the dust from the consumables in the transportation process at full angles, the dust is discharged from all angles from top to bottom along with the exhaust process of the airbag part. The work can be cyclically performed to avoid the generation of cleaning dead corners on the side walls of the consumables, and also to avoid the obstruction of the dust discharge trajectory, so that the dust discharge work can obtain a consistent and efficient processing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0045] Figure 1 is a perspective view of a preferred embodiment of the present invention;

[0046] Figure 2 is a perspective view of a first state of a preferred embodiment of a repeated compression unit of the present invention;

[0047] Figure 3 is a perspective view of a second state of a preferred embodiment of a repeated compression unit of the present invention;

[0048] Figure 4 is a schematic diagram of the interior of the airbag portion of the present invention;

[0049] Figure 5 is a top view of the cleaning portion of the present invention;

[0050] Figure 6 The present invention Figure 4 Enlarged view of point A in the middle;

[0051] Figure 7 The present invention Figure 4 Enlarged view of point B in the middle.

[0052] In the figure:

[0053] 1. Feed pipe;

[0054] 2. Feeding mechanism;

[0055] 3. Feed tray;

[0056] 4. 3D printer;

[0057] 5. Airbag unit; 51. Corrugated airbag;

[0058] 52. cleaning part; 521. curved rubber strip; 522. brush;

[0059] 53. First through hole; 54. Second through hole; 55. Air inlet;

[0060] 6. Repeated compression unit; 61. Motor; 62. Connecting rod; 63. First movable rod; 64. First through hole;

[0061] 65. Angle bar; 66. Fixing bar; 67. Fixing column; 68. Bushing; 69. Second through hole;

[0062] 7. Sealing rubber ring;

[0063] 8. a first valve portion; 81. a first curved sector-shaped film;

[0064] 9. A second valve portion; 91. A second curved sector-shaped film. DETAILED DESCRIPTION

[0065] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0066] like Figure 1 As shown, Figure 1 is a three-dimensional schematic diagram of the dust removal device for 3D printing consumables of the present invention, please refer to Figure 1 The present invention provides a dust removal device for 3D printing consumables, comprising:

[0067] A feed pipe 1, which is located between a feed mechanism 2 and a material tray 3 and connected to the back of a 3D printer 4. The feed pipe 1 is used to insert consumables, and the feed mechanism 2 can convey consumables. The feed mechanism 2 is an inherent device on an existing common 3D printer 4, and is used to convey consumables to a print head for hot melting and then extrusion. The material tray 3 is an existing common public device, and can be rotated to discharge materials during the conveying process of consumables. The feed pipe 1 provides a fixed protection track for the conveying process of consumables.

[0068] The airbag part 5 has one end connected to the feeding pipe 1 and the consumables pass through the airbag part 5 ; the airbag part 5 can store gas and discharge gas, and is not connected to any parts other than the feeding pipe 1 .

[0069] The repeated compression part 6 is located outside the airbag part 5 and is arranged on the back of the 3D printer 4. The repeated compression part 6 can provide a driving force for the airbag part 5 to rotate.

[0070] The repeated compression part 6 is driven, and the repeated compression part 6 can repeatedly and intermittently compress the airbag part 5, so that the airbag part 5 can clean the consumables and then discharge the dust. Specifically, the present invention is provided with a feeding pipe 1 and an airbag part 5, and a long-term protective track for the consumables conveying process can be combined therebetween, and this segment can continuously obtain a protective effect during the non-printing process; and the present invention is provided with a repeated compression part 6, and the repeated compression part 6 can repeatedly and cyclically squeeze the upper and lower ends of the airbag part 5, so that after the inner wall of the airbag part 5 scrapes the dust from the consumables during the conveying process at full angles, the dust is discharged from top to bottom at full angles along with the exhaust process of the airbag part 5, and its work can be cyclically carried out to avoid the generation of cleaning dead corners on the side walls of the consumables, and also avoid the dust discharge track being blocked, so that the dust discharge work can obtain a consistent and efficient processing effect.

[0071] like Figure 2 As shown, Figure 2 1 is a first state stereogram of a preferred embodiment of the repeated compression unit of the present invention; Figure 3 As shown, Figure 3 is a second state stereogram of a preferred embodiment of the repeated compression unit of the present invention; please refer to Figure 2-3 As shown; the repeated compression unit 6 includes a motor 61 arranged on the back of the 3D printer 4, a connecting rod 62 driven by the motor 61, two first movable rods 63 mirror-hingedly arranged on the connecting rod 62, and two angle code rods 65 mirror-hingedly arranged on the two first movable rods 63, wherein

[0072] The motor 61 is driven and the connecting rod 62 can rotate so that the two first movable rods 63 pull the two angle code rods 65 to move toward each other. Specifically, the cross bars of the two angle code rods 65 are provided with two first through holes 64 for the consumables to pass through. The two angle code rods 65 can respectively contact the upper and lower ends of the airbag part 5 without being blocked by the consumables. The connecting rod 62 changes its angle during the driving process of the motor 61. During the angle change, the two angle code rods 65 are pulled or pushed to different distances by the two first movable rods 63. The two first movable rods 63 approach each other to squeeze the airbag part 5 to exhaust, and the two first movable rods 63 move away from each other to make the airbag part 5 self-inhale, so that the air intake and exhaust work of the airbag part 5 meet the repetitive work requirements.

[0073] The repeated compression unit 6 further includes a fixing rod 66 disposed on the back of the 3D printer 4, a second through hole 69 for the motor shaft of the motor 61 to pass through is disposed at the center of the fixing rod 66 so that the motor shaft of the motor 61 is not blocked by friction, four fixing columns 67 disposed at the upper and lower ends of the fixing rod 66, and four bushings 68 disposed outside the four fixing columns 67;

[0074] The four sleeves 68 are arranged in pairs on the two angle bars 65, wherein

[0075] When the two first movable rods 63 pull the two angle code rods 65 to move toward each other, the four shaft sleeves 68 can move along the four fixed columns 67. Specifically, every two fixed columns 67 can limit the moving trajectory of each angle code rod 65 through every two shaft sleeves 68. The fixed columns 67 can cooperate well with the shaft sleeves 68, so that the angle code rod 65 can only move radially and cannot shake during the radial lifting process, so that the force position of the airbag part 5 is accurate and the force process is smooth.

[0076] like Figure 4 As shown, Figure 4 2 is a schematic diagram of the interior of the airbag portion of the present invention; Figure 5 As shown, Figure 5 is a top view of the cleaning unit of the present invention; please refer to Figure 4-5 As shown;

[0077] The airbag portion 5 includes a corrugated airbag 51 between the two angle code rods 65, and four cleaning portions 52 are arranged in a ring shape at different heights on the inner wall of the corrugated airbag 51;

[0078] The four cleaning parts 52 can side-butt against the consumables;

[0079] The four cleaning parts 52 are shaped like a quarter ring when viewed from above, and the four cleaning parts 52 can be combined into a disc shape, wherein;

[0080] When the feeding mechanism 2 transports consumables, the consumables can rub the four cleaning parts 52 in turn to separate dust from the consumables. Specifically, the four cleaning parts 52 are against one-fourth of the area of ​​the side surface of the consumables at different heights. During the transportation of the consumables, the four equally divided angles of the side surface can be scraped in a consistent manner, so that the dust is separated from the consumables and concentrated in the airbag part 5 without being dispersed. The dust will fall from top to bottom under the action of its own weight. When the corrugated airbag 51 is compressed by the two angle code rods 65, it deflates and allows the mixture of air and dust to be discharged from top to bottom.

[0081] Optionally, the cleaning portion 52 includes an arc-shaped rubber strip 521 disposed inside the corrugated airbag 51 and two bristles 522 disposed at the upper and lower ends of the arc-shaped rubber strip 521 in a mirror-like manner;

[0082] The two bristles 522 and one end of the arc-shaped rubber strip 521 both press against the consumables. Specifically, the arc-shaped rubber strip 521 is elastic and flexible and can maintain continuous contact with the side wall of the consumables. The two bristles 522 can brush the consumables during the conveying process back and forth of the arc-shaped rubber strip 521, so that the dust on the side wall of the consumables can be removed in various forms, thereby ensuring the quality of the dust removal work and improving the cleanliness of the consumables.

[0083] Optionally, the airbag portion 5 further includes a first through hole 53 disposed at the central upper end of the corrugated airbag 51 and a second through hole 54 disposed at the central lower end of the corrugated airbag 51;

[0084] The first through hole 53 and the second through hole 54 are coaxial, wherein

[0085] When the two first movable rods 63 pull the two angle code rods 65 to move toward each other, the two angle code rods 65 can compress the corrugated airbag 51 to allow the second through hole 54 to deflate and discharge dust. Specifically, the first through hole 53 and the second through hole 54 allow the corrugated airbag 51 to be centrally arranged outside the consumable segment, so that the dust can maintain a consistent distance with its multi-angle radius after being removed from the consumable, making it easier for the dust to be centrally processed. The second through hole 54 and the first through hole 53 can both serve as channels for deflation and dust discharge.

[0086] Optionally, the airbag portion 5 further includes a plurality of air inlet holes 55 circumferentially arranged at the lower end of the corrugated airbag 51;

[0087] The plurality of air inlet holes 55 are coaxial with the second through hole 54;

[0088] After the second through hole 54 is deflated and ash is discharged, the plurality of air inlet holes 55 can absorb air to reset the corrugated airbag 51. Specifically, the number of the plurality of air inlet holes 55 is greater than the number of the second through holes 54, so that the air intake range of the plurality of air inlet holes 55 is larger than the exhaust range of the second through hole 54, and further the air intake speed of the plurality of air inlet holes 55 is larger than the exhaust speed of the second through hole 54, so that the corrugated airbag 51 can be reset in time after being deflated, thereby ensuring the efficiency of its circulation work.

[0089] The patent also has the following problems:

[0090] The ash discharge channel of the corrugated airbag 51 cannot be oriented;

[0091] like Figure 6 As shown, Figure 6 The present invention Figure 4 The enlarged picture of A in the middle; Figure 7 As shown, Figure 7 The present invention Figure 4 Enlarged view of point B in the middle; please refer to Figure 6-7 As shown, a sealing rubber ring 7 is integrally formed on the first through hole 53;

[0092] The inner wall of the sealing rubber ring 7 is arched in cross-section.

[0093] The inner wall of the sealing rubber ring 7 can press against the consumables. Specifically, the sealing rubber ring 7 is elastic and can press against the consumables tightly so that the first through hole 53 is blocked. The front view cross-sectional edge line of the sealing rubber ring 7 is set to guide the initial insertion process of the consumables, so that the process goes from loose to tight, thereby improving the portability of the consumables during the initial insertion process and ensuring the sealing of the corrugated airbag 51 during the insertion and transportation of the consumables.

[0094] Optionally, the dust removal device for 3D printing consumables further includes a first valve portion 8;

[0095] The first valve portion 8 includes a plurality of first curved sector-shaped films 81 which are circumferentially inclined and arranged in the second through hole 54;

[0096] The first curved sector-shaped films 81 are capable of abutting against the consumables;

[0097] The first curved sector-shaped films 81 are mutually supported to form a hollow truncated cone, wherein

[0098] When the second through hole 54 is venting, several of the first curved fan-shaped films 81 can be dispersed. Specifically, several of the first curved fan-shaped films 81 can act as a one-way valve. When the gas needs to be discharged from the second through hole 54, several of the first curved fan-shaped films 81 are deformed toward the lower end to generate gaps, so that the discharge trajectory of gas and dust is not blocked. When the corrugated airbag 51 is reset to inhale, several of the first curved fan-shaped films 81 are reset to the state where the sealing side is against the side wall of the consumable, and the state is not easily broken by the relative force of the consumable. The second through hole 54 thus maintains a closed state during the inhalation process.

[0099] Optionally, the dust removal device for 3D printing consumables further includes a plurality of second valve parts 9;

[0100] Each of the second valve parts 9 is disposed in each of the air inlet holes 55;

[0101] The second valve portion 9 includes a plurality of second curved sector-shaped films 91 which are arranged in a circumferential manner and tilted in the air inlet hole 55;

[0102] The plurality of the second curved sector-shaped films 91 are mutually opposed to form a hollow cone, wherein

[0103] When the air inlet hole 55 takes in air, the plurality of second curved fan-shaped films 91 can be dispersed. Specifically, the second valve portion 9 achieves an effect similar to that achieved by the first valve portion 8. The second through hole 54 is in a closed state during the inhalation process, and gas can only enter from bottom to top through the plurality of air inlet holes 55. During this process, the plurality of second curved fan-shaped films 91 are dispersed to create gaps to meet the air intake demand. On the contrary, the gas in the corrugated airbag 51 will be blocked by the hollow cone formed by the plurality of second curved fan-shaped films 91 during the discharge process, and the force thereof will increase the force of the plurality of second curved fan-shaped films 91 conflicting with each other, thereby making the second valve portion 9 act as a better one-way valve.

[0104] Based on the above ideal embodiments of the present invention, the relevant staff can make various changes and modifications without departing from the technical concept of the present invention through the above description. The technical scope of the present invention is not limited to the contents of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A dust removal device for 3D printing consumables, It is characterized in that include: A material delivery pipe (1), the material delivery pipe (1) is located between the material delivery mechanism (2) and the material tray (3) and is connected to the back of the 3D printer (4), the material delivery pipe (1) is used to insert consumables, and the material delivery mechanism (2) is capable of conveying consumables; An airbag portion (5), one end of which is connected to the feed pipe (1), and the consumable material passes through the airbag portion (5); A repeated compression portion (6), the repeated compression portion (6) is located outside the airbag portion (5), and the repeated compression portion (6) is arranged on the back of the 3D printer (4), wherein The repeated compression part (6) is driven, and the repeated compression part (6) is capable of repeatedly and intermittently compressing the airbag part (5), so that the airbag part (5) cleans the consumables and then discharges dust; The repeated compression unit (6) comprises a motor (61) arranged on the back of the 3D printer (4), a connecting rod (62) driven by the motor (61), two first movable rods (63) arranged on the connecting rod (62) in a mirror-image manner, and two angle code rods (65) arranged on the two first movable rods (63) in a mirror-image manner, wherein The motor (61) is driven so that the connecting rod (62) can rotate, so that the two first movable rods (63) pull the two angle code rods (65) to move in opposite directions; The airbag portion (5) comprises a corrugated airbag (51) between two of the angle code rods (65), and four cleaning portions (52) arranged in a ring shape at different heights on the inner wall of the corrugated airbag (51); The four cleaning parts (52) are capable of side-butting against the consumables; The four cleaning portions (52) are shaped like a quarter ring when viewed from above, and the four cleaning portions (52) can be combined into a disc shape, wherein; When the feeding mechanism (2) conveys the consumables, the consumables can rub against the four cleaning parts (52) in sequence, so that dust is separated from the consumables; The airbag portion (5) further comprises a first through hole (53) arranged at the central upper end of the corrugated airbag (51), and a second through hole (54) arranged at the central lower end of the corrugated airbag (51); The first through hole (53) and the second through hole (54) are coaxial, wherein When the two first movable rods (63) pull the two angle code rods (65) to move toward each other, the two angle code rods (65) can compress the corrugated airbag (51) to allow the second through hole (54) to deflate and discharge dust.

2. A dust removal device for 3D printing consumables as claimed in claim 1, It is characterized in that The repeated compression unit (6) further comprises a fixing rod (66) arranged on the back of the 3D printer (4), four fixing columns (67) arranged at the upper and lower ends of the fixing rod (66), and four shaft sleeves (68) arranged outside the four fixing columns (67); The four shaft sleeves (68) are arranged in pairs on the two angle code rods (65), wherein When the two first movable rods (63) pull the two angle code rods (65) to move toward each other, the four shaft sleeves (68) can move along the four fixed columns (67).

3. A dust removal device for 3D printing consumables as claimed in claim 1, It is characterized in that The cleaning portion (52) comprises an arc-shaped rubber strip (521) arranged on the inner side of the corrugated airbag (51) and two bristles (522) arranged in mirror images at the upper and lower ends of the arc-shaped rubber strip (521); The bristles (522) at two locations and one end of the arc-shaped rubber strip (521) are both against the consumables.

4. A dust removal device for 3D printing consumables as claimed in claim 1, It is characterized in that The airbag portion (5) further comprises a plurality of air inlet holes (55) circumferentially arranged at the lower end of the corrugated airbag (51); A plurality of the air inlet holes (55) are coaxial with the second through hole (54); After the second through hole (54) is deflated and ash is discharged, the plurality of air inlet holes (55) can inhale air to reset the corrugated airbag (51).

5. A dust removal device for 3D printing consumables as claimed in claim 4, It is characterized in that A sealing rubber ring (7) is integrally formed on the first through hole (53); The inner wall of the sealing rubber ring (7) has an arched cross-sectional edge line when viewed from the front. The inner wall of the sealing rubber ring (7) can abut against the consumables.

6. A dust removal device for 3D printing consumables as claimed in claim 5, It is characterized in that The dust removal device for 3D printing consumables further comprises a first valve part (8); The first valve portion (8) comprises a plurality of first curved sector-shaped films (81) arranged in a circumferentially inclined manner on the second through hole (54); The plurality of first curved sector-shaped films (81) are capable of abutting against the consumables; The first curved sector-shaped films (81) are mutually supported on the left and right sides to form a hollow truncated cone shape, wherein When the second through hole (54) is exhausted, a plurality of the first curved sector-shaped films (81) can be dispersed.

7. A dust removal device for 3D printing consumables as claimed in claim 6, It is characterized in that The dust removal device for 3D printing consumables further comprises a plurality of second valve parts (9); Each of the second valve parts (9) is arranged in each of the air inlet holes (55); The second valve portion (9) comprises a plurality of second curved sector-shaped films (91) arranged in a circumferentially inclined manner in the air inlet hole (55); A plurality of the second curved sector-shaped films (91) are mutually opposed to form a hollow cone, wherein When air is admitted through the air inlet hole (55), a plurality of the second curved sector-shaped films (91) can be dispersed.

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