TWI583537B - Linear material coloring device for using in fused deposition modeling apparatus - Google Patents

Description

Molding wire coloring device suitable for fused deposition molding machine

The present invention relates to a molding wire coloring device, and more particularly to a molding wire coloring device suitable for a melt deposition molding machine.

3D forming technology, also known as Rapid Prototyping (RP) technology, is fast, straightforward and fast, and can accurately transform design ideas into functional prototypes or parts or finished products that can be used directly. Therefore, the product design can be quickly evaluated, modified and functionally tested, which greatly shortens the product development cycle, thus making 3D printing and molding technology widely favored.

However, in the rapid prototyping technology, there is a Fused Deposition Modeling (FDM) technique in which a conveying molding material is heated to a molten liquid by heating, and then a molten liquid molding material is extruded from an extrusion port to be cooled and stacked. 3D molded product.

However, in the current Fused Deposition Modeling (FDM) technology, the color of the 3D molded product formed is mainly determined by the color of the plastic wire supplied to the FDM machine at that time, and generally, The color of the plastic wire has been determined at the time of production. The user can only select the plastic wire of the specific color provided by the manufacturer, and cannot determine the color of the plastic wire according to the demand. Thus, the shape of the plastic wire is formed by FDM technology. 3D molded articles, whose color is usually a single color system, or consist of only a few specific basic color systems, and cannot be used flexibly by users.

In view of the above, the present invention provides a molding wire coloring device suitable for a melt deposition molding machine, which can heat the molding wire and paint both surfaces of the molding wire, so that the user can shape the wire according to the demand. Complete coloring and widely used in 3D molding technology for industrial use.

The main purpose of the present invention is to provide a molding wire coloring device for use in a fused deposition molding (FDM) machine, which can solve the technical bottleneck that the current fused deposition molding (FDM) technology can only produce a single color 3D molding.

In order to achieve the above object, a broader aspect of the present invention provides a forming wire coloring device suitable for a fused deposition molding machine, comprising: two sets of supply and drive drives respectively disposed in front of and behind a U-shaped guiding path of the forming wire. The guide wire is used to feed the guide material; the two sets of heating components are respectively disposed on one side of the corresponding supply and output drive; the two sets of nozzle assemblies are respectively disposed on one side of the corresponding supply and drive driver, and each of the two The set of nozzle assemblies comprises at least one nozzle ink cartridge, each nozzle ink cartridge is provided with a color dye, and at least one liquid spray generator is disposed in the bottom of each nozzle ink cartridge, and is connected with a corresponding color dye, at least one When the liquid spray generator is driven, the color dye can be controlled to be ejected outward; thereby, the formed wire is driven by two sets of supply drives and fed to the two sets of heating components in a U-shaped guiding path, and the two sets of heating components The forming wire is subjected to surface heating, and then separately sent to the two sets of nozzle assemblies, and the color dye is sprayed to the heated by at least one of the liquid jets of one of the nozzles. On a first surface of the wire type, the ink cartridge will be another set of nozzles which corresponds to the color of the dye by heating the coating on the second surface of the forming wire, to complete the full diameter of the wire forming colored.

1: fused deposition molding machine

10: Molded wire coloring device

11: Molded wire

11' : Finished wire for complete wire coloring

11’’ : Liquid molded wire

110: first surface

111: second surface

12: Material匣

12' : Storage of the material of the formed wire that has completed the full-line coloring匣

131, 132: supply drive

141, 142: heating components

151, 152: nozzle assembly

1511, 1521: nozzle ink

1511a: inkjet chip

1511b: orifice

1511c: Spray generator

1512, 1522: carrier

1513, 1523: spray collection box

16: nozzle

161: extrusion port

17: carrier disk

18: drive wheel

2:3D molding

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic view of a molding wire coloring apparatus suitable for use in a fused deposition forming (FDM) machine in accordance with a preferred embodiment of the present invention.

Fig. 2 is a bottom view of the nozzle ink cartridge of the molding wire coloring device of the preferred embodiment of the present invention.

Figure 3 is a schematic view of a fused deposition forming (FDM) machine using a shaped wire coloring device in accordance with a first preferred embodiment of the present invention.

Fig. 4 is a schematic view showing a fused deposition molding (FDM) machine using a molding wire coloring device according to a second preferred embodiment of the present invention.

Some exemplary embodiments embodying the features and advantages of the present invention are described in detail in the following description. It is to be understood that the present invention is capable of various modifications in various aspects, and is not to be construed as a limitation.

Please refer to FIG. 1 , which is a schematic view of a molding wire coloring device suitable for a melt deposition molding (FDM) machine according to a preferred embodiment of the present invention. As shown, the molded wire coloring device 10 is suitable for use in a fused deposition forming (FDM) machine 1 (shown in FIG. 3) and includes a shaped wire 11, a material 12, and two sets of supply drivers 131, 132. And two sets of heating components 141, 142, two sets of nozzle assemblies 151, 152 and the like, wherein the material 匣 12 is used for storing the forming wire 11 , and the two sets of feeding drivers 131 , 132 are respectively disposed on the U-shaped guiding of the forming wire 11 Before and after the path, the guiding and driving forming wire 11 feeds the guiding material, and the two sets of heating components 141 and 142 are respectively disposed on one side of the corresponding feeding and driving driver 131, 132, and the two sets of nozzle assemblies 151 and 152 are respectively Each of the set of nozzle assemblies 151, 152 includes at least one nozzle ink 1511, 1521, and each of the nozzle inks 1511, 1521 is provided with a color dye ( Not shown), and at least one liquid discharge generator 1511c (shown in FIG. 2) is disposed in the bottom of each of the nozzles 1511, 1521, and communicates with the corresponding color dye, at least one liquid discharge generator When the 1511c is driven, it can control the color dye to be ejected outward; thereby forming The material 11 is driven by the two sets of supply drivers 131, 132 and fed to the two sets of heating assemblies 141, 142 in a U-shaped guiding path. The two sets of heating elements 141, 142 are used to heat the surface of the forming wire 11. And then sent to the two sets of nozzle assemblies 151, 152, respectively, and a set of nozzle inks 1511 sprays the color dye onto the first surface 110 of the heated molding wire 11 with at least one liquid discharge generator 1511c, Another set of nozzle inks 1521 sprays its corresponding color dye onto the second surface 110 of the heated formed wire 11 to complete the full wire diametering of the formed wire 11.

In the present embodiment, as shown in FIG. 1 , the molding wire 11 can be, but is not limited to, a fine linear body, such as a fine plastic wire, but not limited thereto, and is substantially distinguishable. It is a first surface 110 and a second surface 111. In the present embodiment, the molded wire 11 has a diameter of 0.01 mm to 2.0 mm, and preferably has a diameter of 0.1 mm to 1.0 mm. Moreover, the material of the molding wire 11 may be, but is not limited to, a thermoplastic polymer material.

For example, the thermoplastic polymer material of the molded wire 11 can be, but is not limited to, a plastic material and a supporting material. For example, the polymer material is a polyvinyl chloride, a polyethylene, a polystyrene, a At least one of a polyurethane material, a polyammoniumamine, a polyoxymethylene, a cellulose plastic, a polytetrafluoroethylene, a polyamidene, a polyphenylene sulfide, and a polycarbonate. As a plastic material, but not limited thereto, or the thermoplastic polymer material of the molded wire 11 may be a polylactic acid (PLA), an acrylonitrile-butadiene-styrene (ABS), Butadiene-styrene (BS), acrylonitrile-styrene (AS), polyacetamide (PA), a nylon 6, a nylon 66, a polymethyl methacrylate (PMMA), a monochlorination Polyethylene (CPE), cellulose mononitrocellulose, polyethylene terephthalate (PETE or PET), polyvinyl chloride (PVC), polypropylene (PP), dibutyl terephthalate ( PBT), at least one of the polymer materials of modified polychlorobenzene (m-PPE), As the support material, but it is not limited thereto.

Referring to FIG. 1 , as shown, the molded wire coloring device 10 has a material 匣 12 for storing the molded wire 11 which is not subjected to spray coloring. The molded wire 11 is first guided through the first set of supply and drive drivers 131. Driving, the first surface 110 of the molding wire 11 is transported upward and transported to the heating assembly 141 adjacent to the side of the first group of supply and delivery actuators 131 for heating, in this embodiment, the heating The temperature of the component 141 is between 50 and 100 degrees, and the preferred temperature is between 70 and 75 degrees, but not limited thereto. The molded wire 11 heated by the heating unit 141 is not completely melted. After the heated wire 11 is driven by the guide drive of the feed driver 131 and then conveyed forward, it is continuously conveyed to the heating unit 141. In the head assembly 151 on one side.

In some embodiments, the showerhead assembly 151 has components such as a nozzle ink 1511, a carrier 1512, and a liquid discharge cartridge 1513, but not limited thereto, wherein the carrier 1512 is used to frame the nozzle ink cartridge 1511. The liquid discharge cartridge 1513 is disposed below the nozzle ink cartridge 1511, and the color dye (not shown) sprayed from the nozzle ink cartridge 1511 is collectively recovered. As described above, at least one liquid discharge generator 1511c (shown in FIG. 2) is provided in the bottom of each nozzle ink cartridge 1511 for communication with a color dye (not shown), and each nozzle ink A plurality of nozzle holes 1511b (shown in FIG. 2) are further disposed at the bottom of the crucible 1511, and each of the nozzle holes 1511b communicates with the corresponding corresponding liquid generator 1511c to control the color when the liquid spray generator 1511c is driven. The dye is ejected outwardly from the nozzle hole 1511b. Therefore, when the heated molding wire 11 is conveyed to the head unit 151, the first surface 110 of the heated molding wire 11 can be painted surface by the nozzle ink cartridge 1511. program.

Referring to FIG. 1 , as shown, the molding wire 11 that completes the painting surface coloring process of the first surface 110 is further driven by the guide of the other set of the supply driver 132 to continue the U-shaped guiding path. When the forming wire 11 is conveyed to the second group supply and delivery drive 132, as shown in Fig. 1, the uncolored second surface 111 of the forming wire 11 is turned by the U-shaped guiding path. Towards, the second set of supply and delivery drives 132 are guided to the heating assembly 142 adjacent to the side of the second set of supply and delivery drives 132 for applying the second surface 111 of the shaped wire 11. After that, the heated shaped wire 11 is then conveyed to the head assembly 152 adjacent to the side of the heating assembly 142. In the present embodiment, the second group of nozzle assemblies 152 are the same as the first group of nozzle assemblies 151, and also have a nozzle ink cartridge 1521, a carrier 1522 and a liquid discharge cartridge 1523, and are disposed in the same manner as the first group of nozzles. The components 151 are the same and will not be described again. When the heated molding wire 11 is transported to the second group of nozzle assemblies 152, the second surface 111 of the heated molding wire 11 can be subjected to a painting surface coloring process by the nozzle ink cartridge 1521. The group supply and output drivers 131, 132 allow the forming wire 11 to be transported in a U-shaped guiding path, and the two sets of heating elements 141, 142 respectively apply surface heating to the first surface 110 and the second surface 111 of the forming wire 11. Further, the first surface 110 and the second surface 111 of the molding wire 11 are respectively subjected to a painting surface coloring process through the head assembly 151, 152, so that the complete wire diameter of the molding wire 11 can be directly completed.

Please refer to FIG. 2, which is a bottom view of the nozzle ink cartridge of the molding wire coloring device of the preferred embodiment of the present invention. In the present embodiment, the nozzles 1511 and 1521 of the head assemblies 151 and 152 are of the same ink structure. Therefore, only the nozzles 1511 are exemplified below. As shown, the nozzle ink cartridge 1511 is a body structure having an accommodation space (not shown) therein for receiving at least one color dye (not shown). In some embodiments, the color dye contained in each of the nozzles 1511 can be monochromatic or multi-colored, that is, when the nozzle ink 1511 accommodates the multi-color pigment dye, each color in the ink cartridge 1511 The dyes are all stored separately. And an inkjet wafer 1511a is disposed at the bottom of the nozzle body of the nozzle ink cartridge 1511. The inkjet wafer 1511a has a plurality of nozzle holes 1511b, and each of the nozzle holes 1511b is correspondingly connected to a liquid spray generator 1511c therein, and each A liquid spray generator 1511c is also in communication with the color dye stored in the ink nozzle 1511 of the nozzle, so that when the liquid spray generator 1511c receives the signal and is driven, the color dye connected thereto can be controlled by the corresponding spray. The hole 1511b is ejected outward to perform a spray surface coloring procedure.

In other embodiments, the color dye contained in the nozzle ink cartridge 1511 is at least one of a Cyan dye, a magenta dye, a yellow dye, and a black dye. one of them. The liquid spray generator 1511c can be, but is not limited to, at least one of the thermal bubble nozzle, the piezoelectric nozzle, and the microelectromechanical process manufacturing nozzle.

Please refer to FIG. 3, which is a schematic view of a fused deposition molding (FDM) machine using a shaped wire coloring device according to a first preferred embodiment of the present invention. As shown in the figure, the fused deposition molding (FDM) machine 1 includes components such as a molding wire coloring device 10, a shower head 16, and a carrier disk 17, and in the present embodiment, the fused deposition molding (FDM) machine 1 mainly uses a molding wire directly. The coloring device 10 is configured to output the shaped wire 11 from the material 12 and pass through two sets of supply and output drivers 131, 132, two sets of heating elements 141, 142, two sets of head assemblies 151, 152, etc. of the forming wire coloring device 10. The surface of the first surface 110 and the second surface 111 of the molding wire 11 are respectively subjected to a surface heating and a painting surface coloring process, so as to output a full-line colored molding wire 11', and then the completed wire diameter is colored. The shaped wire 11' is delivered directly into the showerhead 16. In some embodiments, a heater (not shown) may be disposed in the showerhead 16 to melt the formed wire 11' that has completed the full-line coloring into a liquid state, and to store the liquid molded wire 11'' In the nozzle 16 . In this embodiment, the nozzle 16 further has an extrusion port 161 for extruding the molten liquid molding wire 11'' from the extrusion port 161 onto the carrier tray 17, and performing different sectional patterns according to each layer. Stacked, and as the liquid molded wire 11'' is naturally cooled and solidified, sequentially stacked, and then a 3D molded article 2 is stacked in layers. Therefore, in the present embodiment, the molding wire coloring device 10 is directly applied to the fused deposition molding (FDM) machine 1 and the molded wire 11 of the molded wire coloring device 10 is completed. 'The melting and extrusion molding can be performed directly in the fused deposition molding (FDM) machine 1, whereby the user can self-adjust the color of the molded wire 11 required to be sprayed, and add the 3D molded product 2 Color is realistic and artistic.

Please refer to FIG. 4, which is a schematic view of a fused deposition molding (FDM) machine using a shaped wire coloring device according to a second preferred embodiment of the present invention. As shown in the figure, the fused deposition molding (FDM) machine 1 includes components such as a molded wire 11', a material 匣12', a showerhead 16, a carrier disk 17, and a drive wheel 18 which have been subjected to complete wire diameter coloring, wherein the material 匣12 The molded wire 11' stored therein is a molded wire 11 which is completely colored by the shaped wire coloring device 10; in other words, in the present embodiment, the fused deposition molding (FDM) machine 1 does not directly apply the formed wire. After the coloring device 10 performs the full-line coloring of the molding wire 11 through the molding wire coloring device 10, the molded wire 11' having completed the full-line coloring is stored in another material 匣12', when 3D is to be performed. When molding, the material 匣12' can be directly transported to the fused deposition molding machine 1 for application, and can be guided by the driving wheel 18, and the completed full-line coloring is stored in the material 匣12'. The molding wire 11' is taken out and conveyed to the head 16 and heated and melted by a heater (not shown) in the head 16 to form a liquid state, and the liquid molded wire 11'' can be stored in the head 18 Medium, then by the nozzle 16 The extrusion port 161 extrudes the molten liquid molded wire 11'' onto the carrier tray 17, and stacks according to different cross-sectional patterns of each layer, and solidifies and solidifies with the natural cooling of the liquid molded wire 11''. Stack molding, and then a 3D molding 2 is stacked in layers.

In summary, the molding wire coloring device applicable to the fused deposition molding machine mainly uses a U-shaped guiding path to match two sets of supply and delivery drives, two sets of heating components, two sets of nozzle components and the like through the shaping wire coloring device. Surface heating and painting surface coloring procedures are respectively performed on the first surface and the second surface of the formed wire to complete the full-line coloring, and then there are two different application modes, one can directly directly set the whole group The molding wire coloring device is applied to a smelting deposition molding machine, so that the formed wire material which has completed the complete wire diameter coloring is directly input into the nozzle, and the other is to store the formed wire material which has completed the complete wire diameter coloring in a material ,, and then The material 匣 is directly applied to the fused deposition molding machine. However, regardless of the embodiment, the molding wire coloring device of the present invention can be used to complete the wire diameter of the molding wire, and can be stacked to form the desired color. 3D moldings not only break through the technical bottleneck of traditional monochrome 3D moldings, but also provide users with the necessary molding and spraying. The color material, thereby to increase the color and immersive 3D art of molding material, but also conducive to the promotion color 3D printing technology, and color 3D printing technology more popular.

This case has been modified by people who are familiar with the technology, but it is not intended to be protected by the scope of the patent application.

1: fused deposition molding machine

10: Molded wire coloring device

11: Molded wire

110: first surface

111: second surface

12: Material匣

131, 132: supply drive

141, 142: heating components

151, 152: nozzle assembly

1511, 1521: nozzle ink

1512, 1522: carrier

1513, 1523: spray collection box

Claims (14)

A shaped wire coloring device suitable for use in a fused deposition molding machine, comprising:
The two sets of supply and output drivers are respectively disposed in a rear section before the U-shaped guiding path of one of the forming wires, for guiding and driving the forming wire feeding guide;
Two sets of heating components are respectively disposed on one side of the corresponding one of the supply and output drivers; and two sets of nozzle assemblies are respectively disposed on one side of the corresponding one of the supply and output drivers, and each set of the nozzle assembly comprises at least one nozzle ink匣 each of the nozzle ink cartridges houses a color dye, and at least one liquid spray generator is disposed in the bottom of each of the nozzle ink cartridges, and communicates with the corresponding color dye, the at least one spray liquid is generated The color dye can be controlled to be ejected outward when the device is driven;
Thereby, the forming wire is driven by the two sets of supply and drive drives and fed to the two sets of heating components by the U-shaped guiding path, and the forming wire is heated by the two sets of heating components, and then respectively Delivered to the two sets of nozzle assemblies, and the color dye is sprayed onto the first surface of one of the heated molding wires by the at least one liquid discharge generator by one of the nozzle ink cartridges, and the other group The nozzle inkjet sprays the corresponding color dye onto the second surface of one of the heated molding wires to complete the full-line coloring of the molding wire. The molding wire coloring device according to claim 1, wherein the heating component performs surface heating on the molding wire at a temperature of between 50 and 100 degrees. The molding wire coloring device according to claim 1, wherein the heating component performs surface heating on the molding wire at a temperature between 70 and 75 degrees. The molding wire coloring device according to claim 1, wherein the molding wire is a thermoplastic polymer material. The molding wire coloring device according to claim 4, wherein the thermoplastic polymer material is a polyvinyl chloride, a polyethylene, a polystyrene, a polyurethane, a polyamine, a At least one of polyoxymethylene, a cellulose plastic, a polytetrafluoroethylene, a polyamidene, a polyphenylene sulfide, a polycarbonate, or a mixture thereof. The molding wire coloring device according to claim 4, wherein the thermoplastic polymer material is polylactic acid (PLA), acrylonitrile-butadiene-styrene (ABS), butadiene-benzene. Ethylene (BS), acrylonitrile-styrene (AS), polyacetamide (PA), a nylon 6, a nylon 66, a polymethyl methacrylate (PMMA), a chlorinated polyethylene (CPE) ), cellulose acetate, polyethylene terephthalate (PETE or PET), polyvinyl chloride (PVC), polypropylene (PP), polybutylene terephthalate (PBT), A modified one of polychlorinated dimethylbenzene (m-PPE) or a mixture thereof. The molding wire coloring device of claim 1, wherein each of the nozzle assemblies is provided with a plurality of nozzle holes at the bottom of each of the nozzle ink cartridges, and each of the nozzle holes corresponds to the interior of the nozzle. The liquid generator is in communication to cause the liquid generator to be driven to control the at least one color dye to be ejected outwardly from the orifice. The molded wire coloring device of claim 1, wherein each of the showerhead assemblies further comprises a carrier and a liquid discharge cartridge, wherein the carrier is provided with the at least one nozzle ink cartridge thereon The liquid spray collection box is disposed under the at least one nozzle ink cartridge for collectively recycling the sprayed color dye. The shaped wire coloring device of claim 1, wherein the color dye is a Cyan dye. The shaped wire coloring device of claim 1, wherein the color dye is a magenta dye. The shaped wire coloring device of claim 1, wherein the color dye is a yellow dye. The molding wire coloring device according to claim 1, wherein the liquid spray generator is at least one of a hot bubble bubble nozzle, a piezoelectric nozzle, and a microelectromechanical process nozzle. Device. The molded wire coloring device according to claim 1, wherein the fused deposition molding machine has a material raft for collecting and storing the formed wire which has been subjected to complete wire diameter coloring, and the material 匣 is directly The fused deposition molding machine is applied. The molded wire coloring device of claim 1, wherein the molded wire having completed the full-line coloring is directly applied to the fused deposition molding machine.