CN115871219A - A coloring assembly and 3D printer for 3D printer - Google Patents
A coloring assembly and 3D printer for 3D printer Download PDFInfo
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- CN115871219A CN115871219A CN202310214694.8A CN202310214694A CN115871219A CN 115871219 A CN115871219 A CN 115871219A CN 202310214694 A CN202310214694 A CN 202310214694A CN 115871219 A CN115871219 A CN 115871219A
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Abstract
The invention relates to the technical field of printers, in particular to a coloring assembly for a 3D printer and the 3D printer, wherein the coloring assembly for the 3D printer comprises a first circular ring, a second circular ring, at least one dyeing bin and a mixing mechanism; the first circular ring and the second circular ring are coaxially arranged, the upper surface of the first circular ring is connected to the lower surface of the second circular ring, and wires sequentially penetrate through the second circular ring and the first circular ring; and a first conveying pipeline is connected between each dyeing bin and the mixing mechanism, and dyes in the dyeing bins are conveyed into the mixing mechanism through the conveying pipelines. The coating that can be different colours is coated on the surface of white wire rod and is realized coloring the white wire rod, changes the colour of coating at the white wire rod and can realize changing the look, has saved the cost, only need according to the demand change coating can, need not the customization and prepare a large amount of wire rods.
Description
Technical Field
The invention relates to the technical field of printers, in particular to a coloring assembly for a 3D printer and the 3D printer.
Background
3D printing is a rapid prototyping technique, also known as additive manufacturing, which is a technique that builds objects by using bondable materials such as metal or plastic and the like and printing layer by layer on the basis of a digital model file.
FDM is one of the three major technologies in 3D printers today, and the printer of FDM includes a platform on which a print is placed, an extrusion mechanism that heat-fuses and extrudes a consumable on the platform, and a movement mechanism for nozzle movement. The extrusion mechanism includes an extrusion motor for pushing the consumable and a nozzle for melting and extruding the consumable.
When using, current 3D printer control motion drives the initial position that the platform surface was pressed close to the nozzle, then heats the nozzle, and extrusion motor begins work simultaneously, and the consumptive material that melts solidifies at the platform, combines motion's control, can print the working of plastics of appointed shape at the platform.
However, most of the existing 3D printers using FDM technology can only perform monochrome printing because the color of each roll of the existing 3D printing wire is constant, and in order to realize the different colors presented on the 3D printed product, the 3D printed product has a layered sense and is vivid, the color changing system is used in the prior art to realize the different colors presented on one 3D printed product.
The wire rods of a plurality of different colors are installed at the input end of the existing 3D printing equipment, one of the wire rods of one color is selected through a sliding rail mechanism to be output, and the wire rods are connected to a 3D printer to be printed. When the wires of other colors need to be replaced, the wires of the other input channel are switched through the sliding rail mechanism, so that the wires of different colors can be replaced.
However, the existing 3D printing wire needs to be equipped with a large amount of wires with different colors, and even if a certain color needs to be printed only in a small amount in a certain detailed part, a whole roll of consumables with corresponding colors needs to be purchased, which increases the printing cost.
Disclosure of Invention
The invention solves the following problems: the existing 3D printing wire needs to be equipped with a large amount of wires with different colors, even if a certain color only needs to be printed on a certain detail part in a small amount, a whole roll of consumables with corresponding colors also needs to be purchased, and the printing cost is increased in such a way.
(II) technical scheme
A coloring assembly for a 3D printer comprises a first circular ring, a second circular ring, at least one coloring bin and a mixing mechanism;
the first circular ring and the second circular ring are coaxially arranged, the upper surface of the first circular ring is connected to the lower surface of the second circular ring, and wires sequentially penetrate through the second circular ring and the first circular ring;
a first conveying pipeline is connected between each dyeing bin and the mixing mechanism, and dyes in the dyeing bins are conveyed into the mixing mechanism through the conveying pipelines;
at least one second conveying pipeline is connected between the mixing mechanism and the side surface of the first circular ring, and the dye in the mixing mechanism is conveyed into the first circular ring through the second conveying pipeline;
at least one feed inlet is formed in the side surface of the first circular ring, and the feed inlet is communicated with the cavity in the first circular ring;
a plurality of slotting tools are installed on the inner wall of the second circular ring, the length direction of the slotting tools is parallel to the axis of the second circular ring, the slotting tools are provided with spine portions, and the spine portions face the upper surface of the second circular ring.
According to one embodiment of the invention, the coloring assembly for the 3D printer further comprises at least one fan, the fan is located below the second circular ring, and the fan air outlet is directed to the axis of the second circular ring.
According to one embodiment of the invention, a first conical cavity, a second conical cavity and a cylindrical cavity are sequentially formed inside the first ring, the first conical cavity, the second conical cavity and the cylindrical cavity are communicated, the diameter of the cylindrical cavity is the same as that of the wire, and the first conical cavity and the second conical cavity are both truncated cones;
the side surface of the first conical cavity forms a first conical surface, the feed inlet is formed in the first conical surface of the first conical cavity, and the feed inlet is communicated with the first conical cavity.
According to an embodiment of the present invention, a diameter of the upper surface of the first conical cavity is larger than a diameter of the lower surface of the first conical cavity, the diameter of the lower surface of the first conical cavity is the same as the diameter of the upper surface of the second conical cavity, and the diameter of the upper surface of the second conical cavity is larger than the diameter of the lower surface of the second conical cavity.
According to an embodiment of the invention, at least one diversion trench is arranged on the first conical surface, and the feed inlet is positioned in the diversion trench; every all install at least one flow distribution plate on the guiding gutter, the flow distribution plate is located the below of feed inlet, the flow distribution plate is used for the reposition of redundant personnel dye in the flow distribution plate.
According to one embodiment of the invention, the mixing mechanism comprises a mixing tube, a main shaft and a second motor, one end of the mixing tube is in a sealed shape, the side surface of the main shaft is provided with a helical blade, the main shaft is inserted into the mixing tube, and the output end of the second motor is fixed at one end of the main shaft;
at least one circular hole is formed in the side face of the mixing pipe, the circular holes are communicated with the pipe cavity of the mixing pipe, a joint pipe is hermetically connected in each circular hole, one end of one first conveying pipeline is connected to one joint pipe, and a first pump body is mounted on each first conveying pipeline;
one end of each second conveying pipeline is connected to the sealing end of the mixing pipe, and each second conveying pipeline is provided with a second pump body.
According to one embodiment of the invention, a plurality of said slotter knives are circumferentially distributed around the axis of said second circular ring, said plurality of said slotter knives being arranged equidistantly.
According to one embodiment of the invention, the coloring assembly for the 3D printer further comprises at least one piezoelectric ceramic vibrating piece, and the piezoelectric ceramic vibrating piece is mounted on the mixing tube and drives the mixing tube to vibrate.
A printer comprises the coloring assembly for the 3D printer, and further comprises a platform, a moving mechanism, a mounting frame and a nozzle, wherein the mounting frame is mounted on the moving mechanism, and the platform is located below the moving mechanism;
the mounting frame is an L-shaped plate and comprises a first fixing plate and a second fixing plate, a driving wheel and a driven wheel are sequentially and rotatably connected onto the first fixing plate, a gap is formed between the driving wheel and the driven wheel, a first motor is mounted on the mounting frame, and the first motor drives the driving wheel to rotate;
the nozzle is installed on the first fixing plate and is located right below the gap.
According to an embodiment of the invention, the first ring and the second ring are both mounted on the first fixing plate, the first ring and the second ring both being located between the gap and the nozzle.
The invention has the beneficial effects that:
the invention provides a coloring assembly for a 3D printer, which comprises: the dyeing machine comprises a first circular ring, a second circular ring, a dyeing bin and a mixing mechanism, wherein dyes in the dyeing bin are conveyed into the mixing mechanism through a first conveying pipeline to be mixed, then the dyes in the mixing mechanism are conveyed into the first circular ring through a second conveying pipeline, the first circular ring is used for grooving the wire, and the dyes are coated into a strip-shaped groove in the side face of the wire by the first circular ring.
The coating of different colours can be coated on the surface of white wire rod like this and realize coloring to white wire rod, and the colour of change coating at white wire rod can be realized changing the look, has saved the cost, only need according to the demand change coating can, need not the customization and prepare a large amount of wire rods. The mixing mechanism is provided to ensure the sufficient mixing of the color raw materials, and because the 3D printing wire rod supply speed is slow, the mixed color raw materials need to stay in the mixing mechanism for a period of time, and the color raw materials are stirred at a low speed after the mixing is completed to prevent solidification. First ring can fully coat the colour raw materials on the wire rod surface, drops in order to prevent the colour raw materials on wire rod surface at wire rod transportation process, has set up the second ring, and wire rod length direction along the line scrapes out the bar recess in the wire rod outside to with the coating of colour coating in the bar recess, can prevent effectively that the wire rod transportation process from being scraped off.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a block diagram of a printer provided in an embodiment of the present invention;
fig. 2 is a first perspective view of a mounting bracket according to an embodiment of the present invention;
fig. 3 is a structural diagram of the first ring cut away on the basis of fig. 2 according to the embodiment of the present invention;
FIG. 4 is a cross-sectional view of a first ring provided in accordance with an embodiment of the present invention;
fig. 5 is a second perspective view of a mounting bracket provided in accordance with an embodiment of the present invention;
FIG. 6 is a view showing an internal structure of a mixing tube according to an embodiment of the present invention;
FIG. 7 is a diagram of the second ring with the first ring removed and the second ring cut away, according to the embodiment of the present invention, shown in FIG. 2;
FIG. 8 is a cross-sectional view of a second ring provided in accordance with an embodiment of the present invention;
fig. 9 is a structural view of a wire rod provided in an embodiment of the present invention.
An icon: 1-a platform; 2-a motion mechanism; 3-mounting a frame; 301-driven wheel; 302-a driving wheel; 303-a first motor; 4-dyeing stock bin; 5-a first ring; 501-a first conical surface; 502-second taper; 503-a splitter plate; 504-feed inlet; 505-diversion trench; 6-a second ring; 601-a slotting cutter; 7-a fan; 8-a nozzle; 9-a mixing tube; 901-fitting pipe; 902-a second electric machine; 903-helical blades; 10-piezoelectric ceramic vibrating piece; 11-a wire; 1101-bar shaped grooves.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 9, an embodiment of the present invention provides a coloring assembly for a 3D printer, including a first ring 5, a second ring 6, three dye bins 4 and a mixing mechanism, wherein the dye bins 4 are used for storing dyes, the first ring 5 and the second ring 6 are coaxially disposed, an upper surface of the first ring 5 is connected to a lower surface of the second ring 6, outer diameters of the first ring 5 and the second ring 6 are the same, and a wire 11 can sequentially pass through the second ring 6 and the first ring 5; the three dye bins 4 are respectively used for storing red, yellow and blue colors, when the colors are needed, the colors can be matched according to the three colors in advance, the actually needed colors are called out, and then the dyes with the colors are poured into the dye bins 4.
A first conveying pipeline is connected between each dye bin 4 and the mixing mechanism, and dyes in the dye bins 4 are conveyed into the mixing mechanism through the conveying pipelines; three second conveying pipelines are connected between the mixing mechanism and the side surface of the first circular ring 5, and the dye in the mixing mechanism is conveyed into the first circular ring 5 through the second conveying pipelines; specifically, the dyestuff in the dyestuff storehouse 4 enters into mixing mechanism through first pipeline and mixes, the dyestuff enters into first ring 5 through second pipeline after mixing, the surface of wire rod 11 is coated to the dyestuff when wire rod 11 passes first ring 5, coloured dyestuff gets into the heating intracavity of nozzle 8 with wire rod 11 together, coloured dyestuff will melt wire rod 11 dyeing after wire rod 11 when melting, and the wire rod 11 after will dyeing is spouted through nozzle 8 to the platform 1.
Three feed inlets 504 have been seted up on the side of first ring 5, and feed inlet 504 is linked together with the cavity in the first ring 5, and three first pipeline's one end is connected respectively on three feed inlet 504, and three feed inlet 504 is round the side equidistance setting of first ring 5, and the dyestuff in the three first pipeline flows to the inner wall of first ring 5 through three feed inlet 504 like this on, coats the surface of wire rod 11.
As shown in fig. 8, six slotter knives 601 are installed on the inner wall of the second circular ring 6, the length direction of the slotter knives 601 is parallel to the axis of the second circular ring 6, and the slotter knives 601 have pointed spine parts facing the upper surface of the second circular ring 6. The wire 11 enters from the upper port of the second circular ring 6 and penetrates out from the lower port of the second circular ring 6, in the process that the wire 11 moves downwards, the spine part of the slotting tool 601 slots the wire 11, and the color coating is coated in the groove of the wire 11, so that the raw material can be effectively prevented from falling off in the conveying process of the wire 11.
According to a specific embodiment, as shown in fig. 7, the coloring assembly for a 3D printer further includes two fans 7, the two fans 7 are located below the second ring 6, the two fans 7 are symmetrically disposed about the second ring 6, and an air outlet of the fan 7 points to an axis of the second ring 6. Fan 7 solidifies with higher speed the liquid dyestuff on consumptive material surface, can improve the adhesive force of liquid dyestuff and consumptive material, prevents that liquid from removing the in-process drippage at the consumptive material.
According to a specific embodiment, as shown in fig. 4, a first conical cavity, a second conical cavity and a cylindrical cavity are sequentially formed inside a first circular ring 5, the first conical cavity, the second conical cavity and the cylindrical cavity are communicated, the diameter of the cylindrical cavity is slightly larger than that of a wire 11, when the wire 11 moves downwards, the side surface of the wire 11 is in contact with the side surface of the cylindrical cavity, so that colored dye can be prevented from overflowing from the bottom of the first circular ring 5, wherein the first conical cavity and the second conical cavity are both conical, the side surface of the first conical cavity forms a first conical surface 501, the side surface of the second conical cavity forms a second conical surface 502, three feed ports 504 are all arranged on the first conical surface 501 of the first conical cavity, the feed ports 504 are communicated with the first conical cavity, and the dye flows to the inner wall of the first circular ring 5 through the feed ports 504;
specifically, the diameter of the upper surface of the first conical cavity is larger than that of the lower surface of the first conical cavity, the diameter of the lower surface of the first conical cavity is the same as that of the upper surface of the second conical cavity, the diameter of the upper surface of the second conical cavity is larger than that of the lower surface of the second conical cavity, and the diameter of the lower surface of the second conical cavity is equal to that of the upper surface of the cylindrical cavity, the first conical cavity, the second conical cavity and the cylindrical cavity are coaxially arranged, because the diameter of the lower surface of the second conical cavity is slightly larger than that of the wire 11, and the diameter of the upper surface of the second conical cavity is slightly larger than that of the upper surface of the second conical cavity, so the colored dye can be coated on the surface of the consumable, the conical surface of the circular truncated cone can provide a larger contact surface with the wire 11, and is more favorable for uniform coating, the liquid dye in the first conical cavity flows into the second conical cavity, because from top to bottom, the first circular ring 5 is narrower and narrower, and the dye can be fully contacted with the wire 11.
Preferably, three guiding gutters 505 have been seted up on first conical surface 501, three guiding gutters 505 set up around the axis equidistance of first conical cavity, feed inlet 504 is located guiding gutter 505, all install a flow distribution plate 503 on every guiding gutter 505, flow distribution plate 503 is located the below of feed inlet 504, flow distribution plate 503 is the V form of handstand, divide into first drainage plate and second drainage plate promptly, the first end of first drainage plate and the first end of second drainage plate are connected, the second end of first drainage plate and the second end of second drainage plate are kept away from mutually and are formed the V form, all be formed with the drainage groove on first drainage plate and the second drainage plate, the liquid dyestuff that flows on flow distribution plate 503 is divided into two strands and is drained to both sides like this, three feed inlet 504 on the cooperation first ring 5 can make coloured dyestuff evenly distributed, improve the area of contact of dyestuff and wire rod 11. As an alternative embodiment, a plurality of dye troughs arranged obliquely may be formed on the inner wall of the diversion trench 505, and the plurality of dye troughs are distributed in a fan shape, that is, a folding fan shape is formed, so that the dye is divided by the plurality of dye troughs to divide the dye into a plurality of strands, and the colored dye can also be uniformly distributed.
According to a specific embodiment, as shown in fig. 5 and 6, the mixing mechanism comprises a mixing tube 9, a main shaft and a second motor 902, one end of the mixing tube 9 is sealed, a spiral blade 903 is arranged on the side surface of the main shaft, the main shaft is inserted into the mixing tube 9, the spiral blade 903 is arranged along the length direction of the main shaft, the main shaft is spaced from the sealed end of the mixing tube 9 by a certain distance to leave a region for temporary accumulation of dye, and the output end of the second motor 902 is fixed at one end of the main shaft and is used for driving the main shaft to rotate;
seted up three round hole on the side of hybrid tube 9, the round hole is linked together with the lumen of hybrid tube 9, equal sealing connection has the nipple 901 in every round hole, totally three nipple 901, a first pipeline's one end is connected on a nipple 901, all install first pump body on every first conveyer pipe, first pump body is all installed in the inside in dyestuff storehouse 4, go into first conveyer pipe with the dyestuff pump from the inside in dyestuff storehouse 4, enter into in the nipple 901 from first conveyer pipe then, finally flow on the hybrid tube 9 and drip to the main shaft, and second motor 902 drives the main shaft rotatory, on one side carry the dyestuff towards hybrid tube 9 sealing end department when mixing dyestuff. Three through-hole has been seted up at the sealed end department of hybrid tube 9, the through-hole is linked together with the lumen of hybrid tube 9, install three second pipeline on the three through-hole respectively, the feed inlet 504 of first ring 5 is all installed to every second pipeline's the other end, and every second pipeline all disposes a second pump body alone, go into the second pipeline through the dyestuff pump after will mixing of the second pump body, then flow to first ring 5 through second pipeline.
According to a specific embodiment, as shown in fig. 8, six slotter knives 601 are circumferentially distributed around the axis of the second ring 6, the six slotter knives 601 are equidistantly fixed on the inner wall of the second ring 6, each slotter knife 601 has a spine portion facing the upper surface of the second ring 6, the upper surface of the second ring 6 of the wire 11 is inserted into the second ring 6, the wire 11 is blocked by the slotter knife 601 during the moving process, and then the spine portion of the slotter knife 601 opens six strip-shaped grooves 1101 on the side surface of the wire 11, so that the color paint can be coated in the strip-shaped grooves 1101, and the wire 11 can be effectively prevented from being scraped off during the feeding process.
According to a specific embodiment, as shown in fig. 5, the coloring assembly for a 3D printer further includes a piezoelectric ceramic vibrating plate 10, and the piezoelectric ceramic vibrating plate 10 is mounted on the mixing tube 9 and drives the mixing tube 9 to vibrate, so that the dye in the mixing tube 9 is uniformly mixed by vibration.
The coloured dyestuff of this embodiment can be the powdered dyestuff of solid, and the powdered dyestuff that the granularity is little can adhere on the consumptive material surface to follow the consumptive material and go into together to dye the consumptive material of molten condition in the heating chamber. The colored dye can also be a liquid dye, the liquid stays on the surface of the consumable and enters the heating cavity along with the consumable to dye the consumable in a molten state, and the liquid dye is preferably selected.
A 3D printer, as shown in fig. 1 and fig. 2, includes the above coloring assembly for a 3D printer, and further includes a platform 1, a moving mechanism 2, an installation frame 3 and a nozzle 8, where the installation frame 3 is installed on the moving mechanism 2, and the platform 1 is located below the moving mechanism 2; the movement mechanism 2 comprises an X-axis driving mechanism, a Y-axis driving mechanism and a Z-axis driving mechanism, the X-axis driving mechanism drives the Z-axis driving mechanism to move along the X axis, the Y-axis driving mechanism is installed on the Z-axis driving mechanism, the Z-axis driving mechanism drives the Y-axis driving mechanism to move along the Z axis, the mounting frame 3 is installed on the Y-axis driving mechanism, and the Y-axis driving mechanism drives the mounting frame 3 to move along the Y axis; specifically, as shown in fig. 1, the Z-axis driving mechanism is a screw lifting mechanism, the screw lifting mechanism can vertically move up and down, the Y-axis driving mechanism is a screw linear module, the screw linear module is transversely arranged, the X-axis driving mechanism can be an electric slide rail, and the electric slide rail pulls the Z-axis driving mechanism to move back and forth.
It should be noted that the X-axis driving mechanism, the Y-axis driving mechanism, and the Z-axis driving mechanism may also be other types of driving mechanisms, and are not particularly limited. Mounting bracket 3 is the L board, and mounting bracket 3 includes first fixed plate and second fixed plate, has two sliding blocks at the back mounted of second fixed plate, and the sliding block spiro union is on Y axle actuating mechanism's screw rod.
The first fixing plate is sequentially and rotatably connected with a driving wheel 302 and a driven wheel 301, a gap is formed between the driving wheel 302 and the driven wheel 301, the wire 11 penetrates through the gap, specifically, the width of the gap is slightly smaller than the diameter of the wire 11, when the wire 11 penetrates into the gap, the wire 11 is in contact with the driving wheel 302 and the driven wheel 301, and the driving wheel 302 and the driven wheel 301 drive the wire 11 to move downwards; it should be noted that the driving pulley 302 and the driven pulley 301 are driven by a gear set, so that the rotation directions of the driving pulley 302 and the driven pulley 301 are opposite, and the wire 11 is driven to move downwards. Specifically, the back of the mounting rack 3 is respectively provided with a driving gear and a driven gear in a rotating manner, the driving gear is fixed on the driving wheel 302, the driven gear is fixed on the driven wheel 301, the driving gear and the driven gear are meshed, so that the driving wheel 302 is driven by the first motor 303 to rotate, the driving gear also rotates along with the driving gear, meanwhile, the driving gear and the driven gear are meshed, the driven gear and the driven wheel 301 are further driven to rotate together, the rotating directions of the driving wheel 302 and the driven wheel 301 are opposite, the wire 11 enters the space between the driving wheel 302 and the driven wheel 301, and the wire is driven by the driving wheel 302 and the driven wheel 301 to move downwards. Wherein, a first motor 303 is arranged on the back of the first fixing plate, and the output end of the first motor 303 is fixed on the rod end of the driving wheel 302;
and nozzle 8 is installed in the below department of first fixed plate, and nozzle 8 is located the clearance between action wheel 302 and the follow driving wheel 301 directly below, and is located first ring 5 directly below, and first ring 5 and second ring 6 are all installed on first fixed plate. And two fans 7 are also installed in front of the first fixing plates, and the two first fixing plates are symmetrically arranged about the axis of the first ring 5, and the first ring 5 and the second ring 6 are both located between the gap and the nozzle 8. As shown in fig. 5, a base plate is installed on the rear surface of the first fixing plate, the mixing pipe 9 and the second motor 902 are installed on the base plate, and the first motor 303 is also installed on the rear surface of the first fixing plate.
Thus, the first pump body in the dye bin 4 is opened to pump dyes into the mixing pipe 9, then the second motor 902 drives the spindle to rotate, the dyes are mixed and simultaneously conveyed towards the sealing end of the mixing pipe 9, after the mixing is completed, the wire 11 is driven to move by the driving wheel 302 and the driven wheel 301, the wire 11 passes through the second ring 6 and the first ring 5 for 11 times, the wire 11 is grooved in the second ring 6, meanwhile, the second pump body is opened to pump the mixed dyes into the second conveying pipeline, then the mixed dyes flow into the first ring 5 through the second conveying pipeline, the wire 11 enters the first ring 5, the dyes are coated in the strip-shaped grooves 1101 on the surface of the wire 11 in the first ring 5, then the wire 11 enters the nozzle 8 to be melted and is sprayed out, the melted consumables are solidified on the platform 1, and the plastic parts in the designated shapes can be printed on the platform 1 by combining the control of the movement mechanism 2. The invention provides a new multi-color printing scheme, which only uses a white wire 11, mixes paints with different colors into expected colors and then coats the colors on the surface of the white wire 11 to realize the coloring of the white wire 11; the color can be changed by changing the color coated on the white wire 11. Providing a mixing mechanism ensures sufficient mixing of the color raw materials and since the 3D printing wire 11 feeding speed is slow, the mixed color raw materials need to stay in the mixing mechanism for a period of time, stirring the color raw materials at a low speed after mixing is completed, preventing solidification. The cross section of the 3D printing wire 11 is circular, and in order to sufficiently coat the color raw material on the outer surface of the wire 11, the first ring 5 is provided, and the first ring 5 can sufficiently coat the color raw material on the surface of the wire 11 in combination with the characteristic of low-speed feeding of the wire 11. In order to prevent the color raw material on the surface of the wire 11 from falling off in the conveying process of the wire 11, the second ring 6 is arranged, the strip-shaped groove 1101 is scraped out of the wire 11 along the length direction of the wire 11, and the color paint is coated in the strip-shaped groove 1101, so that the wire 11 can be effectively prevented from being scraped off in the conveying process.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the communication may be direct, indirect via an intermediate medium, or internal to both elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a subassembly of coloring for 3D printer which characterized in that: comprises a first circular ring (5), a second circular ring (6), at least one dyeing bin (4) and a mixing mechanism;
the first circular ring (5) and the second circular ring (6) are coaxially arranged, the upper surface of the first circular ring (5) is connected to the lower surface of the second circular ring (6), and a wire (11) sequentially penetrates through the second circular ring (6) and the first circular ring (5);
a first conveying pipeline is connected between each dyeing bin (4) and the mixing mechanism, and dyes in the dyeing bins (4) are conveyed into the mixing mechanism through the conveying pipelines;
at least one second conveying pipeline is connected between the mixing mechanism and the side surface of the first circular ring (5), and the dye in the mixing mechanism is conveyed into the first circular ring (5) through the second conveying pipeline;
at least one feed inlet (504) is formed in the side surface of the first circular ring (5), and the feed inlet (504) is communicated with a cavity in the first circular ring (5);
install a plurality of slotting tools (601) on second ring (6) inner wall, the length direction of slotting tool (601) with the axis of second ring (6) parallels, slotting tool (601) have spine portion, spine portion orientation is described to spine portion the upper surface of second ring (6).
2. A coloring assembly for a 3D printer according to claim 1, characterized in that: the coloring assembly further comprises at least one fan (7), the fan (7) is located below the second circular ring (6), and an air outlet of the fan (7) points to the axis of the second circular ring (6).
3. A coloring assembly for a 3D printer according to claim 2, characterized in that: a first conical cavity, a second conical cavity and a cylindrical cavity are sequentially formed in the first circular ring (5), the first conical cavity, the second conical cavity and the cylindrical cavity are communicated, the diameter of the cylindrical cavity is the same as that of the wire (11), and the first conical cavity and the second conical cavity are both truncated cones;
the side surface of the first conical cavity forms a first conical surface (501), the feed inlet (504) is formed in the first conical surface (501) of the first conical cavity, and the feed inlet (504) is communicated with the first conical cavity.
4. A coloring assembly for a 3D printer according to claim 3, characterized in that: the diameter of the upper surface of the first conical cavity is larger than that of the lower surface of the first conical cavity, the diameter of the lower surface of the first conical cavity is the same as that of the upper surface of the second conical cavity, and the diameter of the upper surface of the second conical cavity is larger than that of the lower surface of the second conical cavity.
5. A colouring assembly for a 3D printer according to claim 4, characterized in that: at least one guide groove (505) is formed in the first conical surface (501), and the feed inlet (504) is located in the guide groove (505); at least one flow distribution plate (503) is installed on each flow guide groove (505), the flow distribution plate (503) is located below the feed opening (504), and the flow distribution plate (503) is used for distributing the dye in the flow distribution plate (503).
6. A coloring assembly for a 3D printer according to claim 1, characterized in that: the mixing mechanism comprises a mixing pipe (9), a main shaft and a second motor (902), one end of the mixing pipe (9) is sealed, a spiral blade (903) is arranged on the side surface of the main shaft, the main shaft is inserted into the mixing pipe (9), and the output end of the second motor (902) is fixed at one end of the main shaft;
at least one circular hole is formed in the side face of the mixing pipe (9), the circular holes are communicated with the pipe cavity of the mixing pipe (9), a joint pipe (901) is connected in each circular hole in a sealing mode, one end of one first conveying pipeline is connected to one joint pipe (901), and a first pump body is mounted on each first conveying pipeline;
one end of each second conveying pipeline is connected to the sealing end of the mixing pipe (9), and each second conveying pipeline is provided with a second pump body.
7. A coloring assembly for a 3D printer according to claim 1, characterized in that: a plurality of the slotter knives (601) are distributed circumferentially around the axis of the second circular ring (6), and the plurality of the slotter knives (601) are arranged at equal intervals.
8. A coloring assembly for a 3D printer according to claim 6, characterized in that: the coloring assembly further comprises at least one piezoelectric ceramic vibration sheet (10), wherein the piezoelectric ceramic vibration sheet (10) is installed on the mixing pipe (9) and drives the mixing pipe (9) to vibrate.
9. The utility model provides a 3D printer which characterized in that: the coloring assembly for the 3D printer according to any one of claims 1 to 8, further comprising a platform (1), a moving mechanism (2), a mounting frame (3) and a nozzle (8), wherein the mounting frame (3) is mounted on the moving mechanism (2), and the platform (1) is located below the moving mechanism (2);
the mounting rack (3) is an L-shaped plate, the mounting rack (3) comprises a first fixing plate and a second fixing plate, the first fixing plate is sequentially and rotatably connected with a driving wheel (302) and a driven wheel (301), a gap is formed between the driving wheel (302) and the driven wheel (301), a first motor (303) is mounted on the mounting rack (3), and the driving wheel (302) is driven to rotate by the first motor (303);
the nozzle (8) is mounted on the first fixing plate, and the nozzle (8) is located right below the gap.
10. A 3D printer according to claim 9, characterized in that: the first circular ring (5) and the second circular ring (6) are both mounted on the first fixing plate, and the first circular ring (5) and the second circular ring (6) are both located between the gap and the nozzle (8).
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| CN115871219B (en) | 2023-06-20 |
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