Impurity removal device for 3D printing supplies

Abstract

The invention discloses a 3D printing consumable impurity removal device which comprises a vibration machine body, a material receiving box, a plurality of sets of filtering units stacked in the vertical direction, a mounting unit for fixing the multiple sets of filtering units and a cover body, a feeding port is formed in the cover body, and a discharging port is formed in the material receiving box. Each filtering unit comprises a filtering box with the top and the bottom opened, an inclined filtering net attached to the inner wall of the filtering box, and a comb hole mechanism; the steel wire roller is in sliding connection with the inner wall of the filter box in the inclination direction of the filter screen and can rotate during sliding, the handle is located outside the filter box and connected with the end of the steel wire roller through a connecting component, steel wires at the top of the steel wire roller can be upwards inserted into meshes of the filter screen, and the handle is pulled to drive the steel wire roller to move. The steel wires on the steel wire roller can be upwards inserted into meshes of the filter screen, so that stuck or blocked particles are removed, the particles can move to the lowest position of the filter screen in the inclined direction of the filter screen, and operation is easy and convenient.

Description

Technical Field

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

[0002] A 3D printer is a machine that uses rapid prototyping technology. It is a technology that uses a digital model file as the basis and uses adhesive materials such as powdered metal or plastic to construct objects by printing layer by layer.

[0003] When printing, the raw materials need to be heated and melted. Large particles will have a short heating time and will not be completely melted, causing clogging of the printer gun head. Therefore, the raw materials need to be filtered to remove the large particles.

[0004] my country's utility model patent application number CN202322910114.7, "A 3D printing consumables impurity removal device", discloses a 3D printing consumables impurity removal device, which can crush and grind the consumable particles through the cooperation between the rotating rod, the crushing roller, the gear and the first motor, and can drive the screen plate to reciprocate up and down through the cooperation between the guide rod, the movable plate, the spring, the base, the card hole, the rubber card ball, the top plate, the round rod, the cam and the second motor, so that the screen plate can be driven to reciprocate up and down, and the consumables that have not been crushed and ground to meet the standards can be screened out by the screen plate.

[0005] However, the above patent still has some shortcomings. Large particles will be intercepted by the sieve plate. The intercepted particles will dock above the sieve plate, and some particles will be stuck on the mesh of the sieve plate, which will reduce the filtering effect of the sieve plate. The sieve plate needs to be frequently removed for cleaning. Therefore, it is necessary to design a 3D printing consumables impurity removal device. Summary of the invention

[0006] In view of the above technical problems, the purpose of the present invention is to overcome the problem in the prior art that the filtered particles are easy to block the mesh holes and the filtering effect will be reduced if they are not cleaned.

[0007] In order to achieve the above-mentioned object, the present invention provides a 3D printing consumables impurity removal device, comprising: a vibrating machine body, a material receiving box fixedly mounted on the vibrating end of the vibrating machine body and open at the top, a plurality of groups of filter units stacked in a vertical direction, a mounting unit mounted on the material receiving box for fixing the plurality of groups of filter units, and a cover body covering the filter unit located at the top, the cover body being provided with a material feed port, and the material receiving box being provided with a material discharge port;

[0008] The filter unit includes a filter box with open top and bottom, an inclined filter screen fitted on the inner wall of the filter box, and a combing mechanism arranged on the filter box. The combing mechanism includes a wire roller that is slidably connected to the inner wall of the filter box along the inclined direction of the filter screen and can rotate while sliding, and a handle that is located outside the filter box and connected to the end of the wire roller through a connecting member. The steel wire on the top of the wire roller can be inserted upward into the mesh of the filter screen.

[0009] Preferably, a discharge port is provided on the side wall of the filter box that contacts the inclined lower side of the filter screen, the lowest point of the filter screen is located between the highest point and the lowest point of the discharge port, and a storage box is detachably mounted on the discharge port.

[0010] Preferably, the upper surface of the filter screen is equipped with a plurality of horizontal resistance bars arranged at intervals along the inclination direction of the filter screen, and the upper surfaces of the resistance bars are in a horizontal state.

[0011] Preferably, the open upper end of the receiving box is provided with a closed first flange portion that can be sleeved on the open lower end of the filter box, the open upper end of the filter box is provided with a closed second flange portion that can be sleeved on the open lower end of the filter box, and the second flange portion of the uppermost filter box can be sleeved on the cover body;

[0012] The mounting unit comprises a plurality of first hinged seats spaced apart on the outer wall of the receiving box and a plurality of first positioning seats mounted on the cover body and corresponding one to one with the plurality of first hinged seats, each of the first hinged seats being connected to a connecting sleeve, each of the connecting sleeve being detachably connected to a first connecting rod via a connecting bolt, an end of the first connecting rod away from the connecting sleeve being threadedly connected to a first butterfly nut capable of abutting against an upper surface of the first positioning seat, an open first avoidance groove for accommodating the first connecting rod being provided on the first positioning seat, and a positioning step groove for positioning the first butterfly nut being recessed on the upper surface of the first positioning seat.

[0013] Preferably, the discharge port is provided with a closed third flange portion that can be sleeved on the end of the storage box, the discharge port is fixedly equipped with a plurality of second hinged seats arranged at intervals, each second hinged seat is hinged with a second connecting rod, and a plurality of second positioning seats corresponding to the second hinged seat are fixedly provided on the outer wall of the storage box, and a second butterfly nut that can abut against the second positioning seat on the side away from the second hinged seat is threadedly connected to the end of the second connecting rod away from the second hinged seat;

[0014] The second positioning seat is provided with an open second avoidance groove for accommodating the second connecting rod, and a limiting portion for preventing the second butterfly nut from slipping is protruded from one side of the second positioning seat away from the second hinge seat.

[0015] Preferably, the inner walls of the filter box that are in contact with the inclined side edges of the filter screen are penetrated by strip grooves in the same direction as the inclination direction of the filter screen, and the outer wall of the filter box is fitted with a shell mounted on the outside of the strip grooves, and the transmission component includes a pair of sliders that are respectively connected to the two ends of the wire roller through bearings, a pair of sliding rods whose length directions are parallel to the length directions of the strip grooves and are respectively located on both sides of the filter box, a strip rack that is at least arranged parallel to the sliding rods and assembled on the filter box, and at least one coaxial gear that is mounted on the end of the wire roller and meshes with the corresponding strip rack, a pair of sliders are respectively in sliding contact with the corresponding inner walls of the shell, and the sliding rods slide through the corresponding ends of the shell and are fixedly connected to the sliders.

[0016] Preferably, a closed mounting flange is protruding from the inner wall of the filter box, the filter screen is mounted on the upper surface of the mounting flange, the bar rack is mounted on the lower surface of the mounting flange, and the top of the gear is meshed with the bar rack.

[0017] Preferably, a first rubber block in sliding contact with the inner wall of the housing is mounted on the side of the slider away from the handle, and a second rubber block in sliding contact with the inner wall of the housing is mounted on the end of the slide bar away from the handle.

[0018] Preferably, a rubber sleeve is mounted on the inner wall of the housing close to the handle and is fitted onto the outer side of the slide rod.

[0019] According to the above technical solution, the present invention provides a 3D printing consumables impurity removal device, which has the following beneficial technical effects compared with the prior art:

[0020] First, pull the handle to drive the wire roller to move through the transmission component. The wire on the wire roller will be inserted upward into the mesh of the filter, thereby removing the stuck or blocked particles. The particles will move to the lowest point of the filter along the inclination direction of the filter. The particles on the filter can be cleaned without stopping the equipment, which can improve the filtering efficiency of the equipment and facilitate manual operation.

[0021] Secondly, because the filter is set in an inclined state, and the vibrating machine body will also drive several groups of filter units to vibrate continuously, the particles intercepted by the filter will move toward the lowest point of the filter, and the particles that do not pass through the filter will accumulate near the inner wall of the filter box, which will not affect the normal powder raw materials passing through the filter;

[0022] Thirdly, the powder raw material falls into the receiving box after passing through several stacked filtering units in sequence, and the filtered powder raw material is discharged from the discharge port. The vibration of the vibrating machine body is conducive to the powder raw material passing through the filter net, thereby improving the filtering efficiency.

[0023] Other features and advantages of the present invention will be described in detail in the subsequent specific implementation mode; and the parts not involved in the present invention are the same as the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present invention but do not constitute a limitation of the present invention. In the accompanying drawings:

[0025] Figure 1 It is a three-dimensional structural schematic diagram of a 3D printing consumables impurity removal device provided by the present invention;

[0026] Figure 2 It is a cross-sectional view of a 3D printing consumables impurity removal device provided by the present invention after removing the vibration machine body;

[0027] Figure 3 The three-dimensional structure diagram of the filter unit of the 3D printing consumables impurity removal device provided by the present invention is Figure 1 ;

[0028] Figure 4 The three-dimensional structure diagram of the filter unit of the 3D printing consumables impurity removal device provided by the present invention is Figure 2 ;

[0029] Figure 5 It is a partial three-dimensional structural schematic diagram of a mounting unit of a 3D printing consumables impurity removal device provided by the present invention;

[0030] Figure 6 The present invention provides a 3D printing consumables impurity removal device Figure 1 The enlarged schematic diagram of point A in the middle;

[0031] Figure 7 It is a partial three-dimensional structural schematic diagram of a filtering unit of a 3D printing consumables impurity removal device provided by the present invention;

[0032] Figure 8 The present invention provides a 3D printing consumables impurity removal device Figure 4 A magnified schematic diagram of point B in the middle.

[0033] Description of Reference Numerals

[0034] 1. Vibrator body; 2. Receiving box; 3. Cover; 4. Feed inlet; 5. Discharge port; 6. Filter box; 7. Filter screen; 8. Wire roller; 9. Handle; 10. Discharge port; 11. Storage box; 12. Resistance bar; 13. First hinge seat; 14. First positioning seat; 15. Connecting sleeve; 16. First connecting rod; 17. First butterfly nut; 18. Second hinge seat; 19. Second connecting rod; 20. Second positioning seat; 21. Second butterfly nut; 22. Shell; 23. Slider; 24. Sliding rod; 25. Bar rack; 26. Gear; 27. Mounting flange; 28. First rubber block; 29. ​​Second rubber block; 30. Rubber sleeve. DETAILED DESCRIPTION

[0035] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the present invention.

[0036] In the present invention, unless otherwise stated, directional words such as "upper, lower, inside, outside" contained in a term merely represent the orientation of the term in normal usage, or are common names understood by those skilled in the art, and should not be regarded as limitations on the term.

[0037] like Figure 1-8 As shown, a 3D printing consumables impurity removal device comprises: a vibrating machine body 1, a material receiving box 2 fixedly mounted on the vibrating end of the vibrating machine body 1 and open at the top, a plurality of groups of filter units stacked in a vertical direction, a mounting unit mounted on the material receiving box 2 for fixing the plurality of groups of filter units, and a cover body 3 covering the filter unit located at the top, the cover body 3 being provided with a material feed port 4, and the material receiving box 2 being provided with a material discharge port 5;

[0038] The filter unit includes a filter box 6 with open top and bottom, an inclined filter screen 7 fitted on the inner wall of the filter box 6, and a combing mechanism arranged on the filter box 6, the combing mechanism includes a wire roller 8 which is slidably connected to the inner wall of the filter box 6 along the inclined direction of the filter screen 7 and can rotate while sliding, and a handle 9 which is located outside the filter box 6 and connected to the end of the wire roller 8 through a connecting member, and the steel wire on the top of the wire roller 8 can be inserted upward into the mesh of the filter screen 7.

[0039] In the above technical scheme, when in use, the feed pipe is connected to the feed port 4, and the discharge pipe is connected to the discharge port 5. The powder raw material is transported to the feed port 4 by the airflow, and the powder raw material enters the filter unit located at the top through the feed port 4. After passing through several stacked filter units in sequence, the powder raw material falls into the receiving box 2, and the filtered powder raw material is discharged from the discharge port 5. The vibration of the vibrating machine body 1 is conducive to the powder raw material passing through the filter net 7, thereby improving the filtration efficiency.

[0040] The mesh size of the filter screen 7 increases from top to bottom in several groups of stacked filter units. The filter screen 7 can intercept particles whose volume is larger than the mesh size of the filter screen 7, so that the powder raw material entering the receiving box 2 meets the use standards. Different numbers of filter units can be stacked on the receiving box 2 according to use needs, and filter screens 7 with different mesh sizes and corresponding filter units can also be selected.

[0041] Because the filter screen 7 is arranged in an inclined state, and the vibration machine body 1 will also drive several groups of filter units to vibrate continuously, the particles intercepted by the filter screen 7 will move toward the lowest point of the filter screen 7, and the particles that do not pass through the filter screen 7 will accumulate near the inner wall of the filter box 6, which will not affect the normal powder raw materials passing through the filter screen 7.

[0042] There will be a feed pipe connected to the feed port 4, and a discharge pipe connected to the discharge port 5, and the powder raw material is transported to the feed port 4 through the airflow. During the filtration process, there may be particles stuck or blocking the mesh of the filter screen 7, resulting in reduced filtration efficiency. At this time, the handle 9 can be pulled manually to drive the wire roller 8 to move through the transmission component. The steel wire on the wire roller 8 will be inserted upward into the mesh of the filter screen 7, thereby removing the stuck or blocked particles. The particles will move along the inclination direction of the filter screen 7 to the lowest point of the filter screen 7. The particles on the filter screen 7 can be cleaned without stopping the equipment, which can improve the filtration efficiency of the equipment and is also convenient for manual operation.

[0043] The bottom of the material receiving box 2 is an inclined material guide plate, which is conducive to the movement of the powdered raw materials toward the discharge port 5.

[0044] In a preferred embodiment of the invention, a discharge port 10 is provided on the side wall where the filter box 6 contacts the inclined lower side of the filter screen 7, the lowest point of the filter screen 7 is located between the highest point and the lowest point of the discharge port, and a storage box 11 is detachably mounted on the discharge port 10.

[0045] In the above technical solution, since the particles that have not passed through the filter screen 7 will accumulate at the lowest point of the filter screen 7, a discharge port 10 is started on the side wall of the filter box 6, and the particles can enter the storage box 11. The storage box 11 can temporarily store the particles, and the operator only needs to clean it regularly; and when cleaning, there is no need to disassemble several groups of stacked filter units, and the storage box 11 can be directly removed for cleaning, which is simple and convenient to operate.

[0046] In a preferred embodiment of the invention, the upper surface of the filter screen 7 is equipped with a plurality of horizontal resistance bars 12 arranged at intervals along the inclination direction of the filter screen 7, and the upper surface of the resistance bars 12 is in a horizontal state.

[0047] In the above technical solution, in order to reduce the normal powder raw material entering the storage box 11 before passing through the filter screen 7, a plurality of resistance bars 12 are installed on the upper surface of the filter screen 7. The resistance bars 12 can increase the time required for the powder raw material to move to the lowest point of the filter screen 7, thereby increasing the amount of powder raw material passing through the filter screen 7.

[0048] The upper surface of the resistance bar 12 is in a horizontal state, which can reduce the moving speed of the powder raw material and also enable the powder raw material to move toward the lowest point of the filter screen 7, making it easier for the storage box 11 to collect particles.

[0049] In a preferred embodiment of the invention, the open upper end of the receiving box 2 is provided with a closed first flange portion that can be sleeved on the open lower end of the filter box 6, and the open upper end of the filter box 6 is provided with a closed second flange portion that can be sleeved on the open lower end of the filter box 6, and the second flange portion of the filter box 6 located at the top can be sleeved on the cover body 3;

[0050] The installation unit includes a plurality of first hinged seats 13 spaced apart on the outer wall of the receiving box 2 and a plurality of first positioning seats 14 assembled on the cover body 3 and corresponding to the plurality of first hinged seats 13 one by one, each first hinged seat 13 is connected to a connecting sleeve 15, each connecting sleeve 15 is detachably connected to a first connecting rod 16 via a connecting bolt, an end of the first connecting rod 16 away from the connecting sleeve 15 is threadedly connected to a first butterfly nut 17 capable of abutting against an upper surface of the first positioning seat 14, an open first avoidance groove for accommodating the first connecting rod 16 is provided on the first positioning seat 14, and a positioning step groove is recessed on the upper surface of the first positioning seat 14 for positioning the first butterfly nut 17.

[0051] In the above technical solution, the second flange portion enables several filter boxes 6 to be stacked together in the vertical direction, and the lower end of the filter box 6 located at the bottom can be inserted into the first flange portion, and then the first connecting rod 16 is rotated around the first hinge seat 13, so that the first connecting rod 16 moves into the first avoidance groove, and then the first butterfly nut 17 is tightened, so that the first butterfly nut 17 is tightly in contact with the top of the first positioning seat 14, so that the cover body 3 and the filter box 6 located at the top, between two adjacent filter boxes 6, and between the filter box 6 located at the bottom and the receiving box 2 are tightly in contact with each other, and sealing gaskets can be arranged in the first flange portion and the second flange portion to further improve the sealing performance.

[0052] The first connecting rod 16 is assembled on the connecting sleeve 15 by connecting bolts. When the number of stacked filter assemblies is increased or decreased, the first connecting rod 16 can be removed and replaced with a first connecting rod 16 of corresponding length.

[0053] In a preferred embodiment of the invention, the discharge port 10 is provided with a closed third flange portion that can be sleeved on the end of the storage box 11, and the discharge port 10 is fixedly equipped with a plurality of second hinged seats 18 arranged at intervals, and each second hinged seat 18 is hinged with a second connecting rod 19, and a plurality of second positioning seats 20 corresponding to the second hinged seat 18 are fixedly provided on the outer wall of the storage box 11, and the end of the second connecting rod 19 away from the second hinged seat 18 is threadedly connected with a second butterfly nut 21 that can abut against the second positioning seat 20 on the side away from the second hinged seat 18;

[0054] The second positioning seat 20 is provided with an open second avoidance groove for accommodating the second connecting rod 19 , and a limiting portion for preventing the second butterfly nut 21 from slipping is protruded from one side of the second positioning seat 20 away from the second hinge seat 18 .

[0055] In the above technical solution, when the storage box 11 needs to be removed, loosen the second butterfly nut 21, rotate the second connecting rod 19, so that the second connecting rod 19 is moved out of the second avoidance groove, and the other second connecting rods 19 are moved out of the corresponding second avoidance grooves in the same way, and the storage box 11 can be removed.

[0056] In a preferred embodiment of the invention, the inner walls of the filter box 6 that are in contact with the inclined side edges of the filter screen 7 are penetrated by strip grooves in the same direction as the inclination direction of the filter screen 7, and the outer wall of the filter box 6 is fitted with a shell 22 that is sleeved on the outside of the strip grooves, and the transmission component includes a pair of sliders 23 that are respectively axially connected to the two ends of the wire roller 8 through bearings, a pair of slide bars 24 whose length directions are parallel to the length directions of the strip grooves and are respectively located on both sides of the filter box 6, a strip rack 25 that is at least arranged parallel to the slide bar 24 and assembled on the filter box 6, and at least one coaxial gear 26 that is sleeved on the end of the wire roller 8 and meshes with the corresponding strip rack 25, a pair of sliders 23 are respectively in sliding contact with the corresponding inner walls of the shell 22, and the slide bars 24 slide through the corresponding ends of the shell 22 and are fixedly connected to the sliders 23.

[0057] In the above technical solution, by pushing and pulling the handle 9, the wire roller 8 can be driven to move through the slide rod 24 and the slider 23. With the cooperation of the gear 26 and the bar rack 25, the wire roller 8 can rotate while moving, which is conducive to the insertion of the steel wire of the wire roller 8 into the mesh of the filter screen 7.

[0058] In a preferred embodiment of the invention, a closed mounting flange 27 is protruding from the inner wall of the filter box 6, the filter screen 7 is mounted on the upper surface of the mounting flange 27, the bar rack 25 is mounted on the lower surface of the mounting flange 27, and the top of the gear 26 is meshed with the bar rack 25.

[0059] In the above technical solution, the top of the gear 26 is meshed with the bar-shaped rack 25 , which can prevent the powder material from accumulating on the bar-shaped rack 25 .

[0060] In a preferred embodiment of the invention, a first rubber block 28 is mounted on the side of the slider 23 away from the handle 9 and in sliding contact with the inner wall of the shell 22, and a second rubber block 29 is mounted on the end of the slide rod 24 away from the handle 9 and in sliding contact with the inner wall of the shell 22.

[0061] In the above technical solution, when the slider 23 slides, the first rubber block 28 and the second rubber block 29 can clean the powder material on the inner wall of the shell 22 .

[0062] In a preferred embodiment of the invention, a rubber sleeve 30 is mounted on the inner wall of the housing 22 close to the handle 9 and is fitted onto the outer side of the slide rod 24 .

[0063] In the above technical solution, the rubber sleeve 30 can enhance the sealing performance and also scrape off the powder material adhering to the slide bar 24 to prevent the powder material from being brought out of the filter box 6 when the slide bar 24 slides.

[0064] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, a variety of simple modifications can be made to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

[0065] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present invention will not further describe various possible combinations.

[0066] In addition, various embodiments of the present invention may be arbitrarily combined, and as long as they do not violate the concept of the present invention, they should also be regarded as the contents disclosed by the present invention.

Claims

1. A 3D printing consumables impurity removal device, characterized in that: include: A vibrating machine body (1), a material receiving box (2) fixedly mounted on the vibrating end of the vibrating machine body (1) and open at the top, a plurality of groups of filter units stacked in a vertical direction, a mounting unit mounted on the material receiving box (2) and used to fix the plurality of groups of filter units, and a cover body (3) covering the filter unit located at the top, wherein the cover body (3) is provided with a material inlet (4), and the material receiving box (2) is provided with a material outlet (5); The filter unit comprises a filter box (6) which is open at the top and bottom, an inclined filter screen (7) which is fitted on the inner wall of the filter box (6), and a combing mechanism arranged on the filter box (6), wherein the combing mechanism comprises a steel wire roller (8) which is slidably connected to the inner wall of the filter box (6) along the inclined direction of the filter screen (7) and can rotate when sliding, and a handle (9) which is located outside the filter box (6) and connected to the end of the steel wire roller (8) through a connecting member, and the steel wire at the top of the steel wire roller (8) can be inserted upward into the mesh of the filter screen (7).

2. A 3D printing consumables impurity removal device according to claim 1, characterized in that: A discharge port (10) is provided on the side wall of the filter box (6) which contacts the inclined lower side of the filter screen (7); the lowest point of the filter screen (7) is located between the highest point and the lowest point of the discharge port; and a storage box (11) is detachably mounted on the discharge port (10).

3. A 3D printing consumables impurity removal device according to claim 1, characterized in that: The upper surface of the filter screen (7) is equipped with a plurality of horizontal resistance bars (12) arranged at intervals along the inclination direction of the filter screen (7), and the upper surfaces of the resistance bars (12) are in a horizontal state.

4. A 3D printing consumables impurity removal device according to claim 1, characterized in that: The open upper end of the material receiving box (2) is provided with a closed first flange portion that can be sleeved on the open lower end of the filter box (6); the open upper end of the filter box (6) is provided with a closed second flange portion that can be sleeved on the open lower end of the filter box (6); the second flange portion of the filter box (6) located at the top can be sleeved on the cover body (3); The mounting unit comprises a plurality of first hinged seats (13) arranged at intervals on the outer wall of the receiving box (2) and a plurality of first positioning seats (14) assembled on the cover body (3) and corresponding to the plurality of first hinged seats (13) one by one, each first hinged seat (13) is connected to a connecting sleeve (15), each connecting sleeve (15) is detachably connected to a first connecting rod (16) via a connecting bolt, an end of the first connecting rod (16) away from the connecting sleeve (15) is threadedly connected to a first butterfly nut (17) capable of abutting against the upper surface of the first positioning seat (14), the first positioning seat (14) is provided with an open first avoidance groove for accommodating the first connecting rod (16), and the upper surface of the first positioning seat (14) is recessed and provided with a positioning step groove for positioning the first butterfly nut (17).

5. A 3D printing consumables impurity removal device according to claim 2, characterized in that: The discharge port (10) is provided with a closed third flange portion that can be sleeved on the end of the storage box (11); a plurality of second hinged seats (18) arranged at intervals are fixedly mounted on the discharge port (10); each second hinged seat (18) is hingedly connected to a second connecting rod (19); a plurality of second positioning seats (20) corresponding to the second hinged seats (18) are fixedly arranged on the outer wall of the storage box (11); a second butterfly nut (21) that can abut against a side of the second positioning seat (20) that is away from the second hinged seat (18) is threadedly connected to the end of the second connecting rod (19) away from the second hinged seat (18); The second positioning seat (20) is provided with an open second avoidance groove for accommodating the second connecting rod (19), and a limiting portion is protruding from one side of the second positioning seat (20) away from the second hinge seat (18) to prevent the second butterfly nut (21) from slipping off.

6. A 3D printing consumables impurity removal device according to claim 1, characterized in that: The inner walls of the filter box (6) and the two sides of the filter screen (7) that are in contact with each other are provided with strip-shaped through grooves in the same direction as the inclination of the filter screen (7); the outer wall of the filter box (6) is fitted with a shell (22) sleeved on the outside of the strip-shaped through grooves; the transmission component comprises a pair of sliders (23) respectively connected to the two ends of the wire roller (8) through bearings, a pair of slide bars (24) whose length direction is parallel to the length direction of the strip-shaped through grooves and respectively located on both sides of the filter box (6); a strip-shaped rack (25) arranged at least parallel to the slide bar (24) and mounted on the filter box (6); and at least one coaxial gear (26) sleeved on the end of the wire roller (8) and meshing with the corresponding strip-shaped rack (25); the pair of sliders (23) are respectively in sliding contact with the corresponding inner walls of the shell (22); the slide bars (24) respectively slide through the corresponding ends of the shell (22) and are fixedly connected to the sliders (23).

7. A 3D printing consumables impurity removal device according to claim 6, characterized in that: A closed mounting flange (27) is protruding from the inner wall of the filter box (6); the filter screen (7) is mounted on the upper surface of the mounting flange (27); the bar-shaped rack (25) is mounted on the lower surface of the mounting flange (27); and the top of the gear (26) is meshed with the bar-shaped rack (25).

8. The 3D printing consumables impurity removal device according to claim 6, characterized in that: A first rubber block (28) is mounted on the side of the slider (23) away from the handle (9) and in sliding contact with the inner wall of the housing (22); a second rubber block (29) is mounted on the end of the slider (24) away from the handle (9) and in sliding contact with the inner wall of the housing (22).

9. A 3D printing consumables impurity removal device according to claim 6, characterized in that: The inner wall of the housing (22) close to the handle (9) is equipped with a rubber sleeve (30) which is fitted on the outer side of the slide rod (24).

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