TWM518164U - Fused deposition modeling machine - Google Patents

Description

Melt deposition molding machine

The present invention relates to a fused deposition molding machine, and more particularly to a fused deposition molding machine having a surface forming device for forming a wire.

3D forming technology, also known as Rapid Prototyping (RP) technology, is fast, straightforward and fast, and can be used to accurately convert design ideas into functional prototypes or to make ready-to-use parts or finished products. 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. Three-dimensional molded product.

However, in the current Fused Deposition Modeling (FDM) technology, the color of the three-dimensional 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. Three-dimensional molded articles, the color of which is usually a single color system, or only composed of several specific basic color systems, and cannot be used by users. Flexible use.

In view of this, the present invention provides a smelting deposition molding machine having a surface forming device for forming a wire for heating the forming wire and coloring both surfaces of the forming wire so that the user can The formed wire is completely colored and widely used in three-dimensional molding technology for industrial use.

The main purpose of the present invention is to provide a smelting deposition molding machine having a surface forming device for forming a wire, which can solve the technical bottleneck that the current fused deposition forming (FDM) technology can only produce a three-dimensional molded object of a single color.

In order to achieve the above object, one of the more general embodiments of the present invention provides a fused deposition molding machine comprising: two sets of supply and drive drives respectively disposed in front of the U-shaped guide path of the formed wire for guiding driving of the formed wire Feeding guide; two sets of nozzle assemblies are respectively disposed on one side of the corresponding supply and output drive, each set of nozzle assemblies includes at least one nozzle ink cartridge, each nozzle ink cartridge contains at least one color dye, and Separate storage, and at least one liquid discharge generator is disposed in the bottom of each nozzle ink to communicate with at least one color dye, and a plurality of nozzle holes are disposed at the bottom of each nozzle ink nozzle, and each nozzle hole is disposed Corresponding to the corresponding corresponding liquid spray generator, the liquid spray generator can be driven to control at least one color dye to be sprayed out from the spray hole; at least one container has a receiving space and an extrusion port, and is further disposed in the accommodation space. a heater; and a control device electrically connected to the heater and the outlet; thereby, the formed wire is driven by the two sets of supply drives and fed to the two sets of nozzle assemblies in a U-shaped guide path, The two sets of nozzle assemblies perform surface spraying operation on the two surfaces of the formed wire to complete the complete wire diameter coloring of the formed wire, and then input into at least one accommodating space, and the temperature of the heater is controlled by the control device to complete the completion. Wire diameter coloring molding wire melting And stored in the accommodating space of at least one container, and controlled by the control device, so that the molten liquid molded wire is extruded from the extrusion port and stacked in layers to form a three-dimensional molded product.

1‧‧‧Fused deposition molding machine

10‧‧‧Formed wire surface coloring device

11‧‧‧Molded wire

11'‧‧‧ Completed wire-forming molding wire

11’’‧‧‧Liquid-formed wire

110‧‧‧ first surface

111‧‧‧ second surface

12‧‧‧Materials

131, 132‧‧‧Supply drives

141, 142‧‧ ‧ preheater

151, 152‧‧‧ nozzle assembly

1511, 1521‧‧‧ nozzle ink

1511a‧‧‧Inkjet wafer

1511b‧‧‧ orifice

1511c‧‧‧spray generator

1512, 1522‧‧‧ bearing seat

1513, 1523‧‧‧ spray collection box

16‧‧‧Spray

161‧‧‧Extruder

17‧‧‧Loading tray

18‧‧‧Drive wheel

2‧‧‧Three-dimensional molding

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic view of a surface forming apparatus for a formed wire of 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 surface of the molded wire of the fused deposition forming (FDM) machine of the preferred embodiment of the present invention.

Figure 3 is a schematic view of a fused deposition forming (FDM) machine of the 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 and FIG. 3 simultaneously. FIG. 1 is a schematic view showing a surface forming device for forming a wire of a fused deposition forming (FDM) machine according to a preferred embodiment of the present invention, and FIG. 3 is a fused deposition molding of the preferred embodiment of the present invention. Schematic diagram of the (FDM) machine. As shown, the fused deposition molding (FDM) machine 1 (shown in FIG. 3) has components such as a shaped wire surface coloring device 10, a container 16, a control device 17, and a carrier disk 18, wherein the shaped wire surface coloring device 10 includes a shaped wire 11, a material 匣12, two sets of supply drivers 131, 132, two sets of preheaters 141, 142, two sets of showerhead assemblies 151, 152, and the like. The material 匣 12 is used for storing the molding wire 11 , and the two sets of supply and output drivers 131 and 132 are respectively disposed in front of the U-shaped guiding path of the forming wire 11 for guiding and driving the forming wire 11 to feed the guiding material. Preheaters 141, 142 and two sets of nozzle assemblies 151, 152 Each of the set of nozzle assemblies 151, 152 includes at least one nozzle ink 1511, 1521, and each of the nozzles 1511, 1521 accommodates at least one of the nozzles 151, 152, respectively. Color dyes (not shown) are stored separately, and at least one liquid discharge generator 1511c (shown in FIG. 2) is provided in the bottom of each of the nozzles 1511, 1521 for communication with at least one color dye Each nozzle nozzle 1511, 1521 is further provided with a plurality of nozzle holes 1511b, and each nozzle hole 1511b is in communication with the corresponding corresponding liquid generator 1511c, so that at least the spray generator 1511c can be controlled to be driven. A color dye is ejected outward from the orifice 1511b. As shown in FIG. 3, the container 16 has an accommodating space 160 and an extrusion port 162, and a heater 161 is further disposed in the accommodating space 160; and the control device 17 is electrically connected to the heater 161 and the extrusion port 162; The forming wire 11 is driven by the two sets of supply drivers 131, 132 and fed to the two sets of nozzle assemblies 151, 152 in a U-shaped guiding path, through the two sets of nozzle assemblies 151, 152. The surface is subjected to a surface spraying operation to complete the full-line coloring of the formed wire 11, and then input into the accommodating space 160 of the container 16, and the temperature of the heater 161 is controlled by the control device 17 to complete the full-line coloring. The molded wire 11' is melted and stored in the accommodating space 160 of the container 16, and is controlled by the control device 17 to extrude the molten liquid molded wire 11'' from the extrusion port 162, and stacked in layers to form a three-dimensional shape. Object 2.

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 diameter of the molding wire 11 is from 0.01 mm to 2.0 mm, and its preferred value is from 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 a supporting material, but not limited thereto.

Referring to FIG. 1 , as shown, the molded wire surface coloring device 10 has a material crucible 12 for storing a molded wire 11 that is not subjected to spray coloring. The molded wire 11 is first guided through the first set of supply and delivery actuators 131. Leading the driving, the first surface 110 of the molding wire 11 is transported upward, and is sent to the preheater 141 adjacent to the side of the first group of supply and output drivers 131 for heating, in this embodiment, The preheating temperature of the preheater 141 is between 50 and 100 degrees, and the preferred preheating temperature is between 70 and 75 degrees, but not limited thereto. The molded wire 11 heated by the preheater 141 is not completely melted, and the molded wire 11 to be heated is guided by the feed drive driver 131 and then conveyed forward, and then continues to be conveyed to the preheating. The head unit 151 on one side of the device 141.

In some embodiments, the showerhead assembly 151 has a nozzle ink 1511, a carrier 1512 And the components such as the liquid spray recovery box 1513, but not limited thereto, wherein the carrier 1512 is used for the ink nozzle 1511 to be mounted thereon, and the liquid spray recovery box 1513 is disposed below the nozzle ink cartridge 1511. The color dye (not shown) for ejecting the nozzle ink 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 upper portion, the second group of supply and delivery actuators 132 are guided to the preheater 142 adjacent to the second group of supply and delivery actuators 132 to perform the second surface 111 of the molding wire 11. After warming, the heated formed wire 11 is then continuously conveyed to the head unit 152 disposed adjacent to the preheater 142 side. 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 of the heated wire 11 can be heated by the nozzle ink cartridge 1521. 111 performs a painting surface coloring process, so that the forming wires 11 can be transported through the U-shaped guiding paths through the two sets of supply and output drivers 131, 132, and the two sets of preheaters 141, 142 are respectively used to form the wire 11 The first surface 110 and the second surface 111 are subjected to surface heating, and 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 assemblies 151 and 152, so that the molding wire 11 can be directly completed. The full wire diameter is colored.

Please refer to FIG. 2, which is a bottom view of the nozzle ink cartridge of the surface of the shaped wire of the fused deposition forming (FDM) machine 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, a hot bubble nozzle, a piezoelectric nozzle, and a microcomputer. The electrical process manufactures at least one of the spray generators 1511c.

Referring to FIG. 3, as previously described, the fused deposition molding (FDM) machine 1 includes components such as a molded wire surface coloring device 10, a container 16, a control device 17, and a carrier disk 18. The molded wire surface coloring device 10 includes a molding wire 11, a material 匣12, two sets of supply and output drivers 131 and 132, two sets of preheaters 141 and 142, and two sets of nozzle assemblies 151 and 152. In some embodiments, the container 16 can be a showerhead, but not limited thereto, and the interior of the container 16 has an accommodating space 160, and at the bottom of the container 16, there is an extrusion port 162, which is disposed in the accommodating space 160. The molding wire 11 ′ is mainly disposed for the finished wire coloring, and has a heater 161 at the bottom of the accommodating space 160 , and is heated by the heater 161 to complete the wire forming of the full wire diameter. 11' is melted into a liquid state, and the molten liquid molded wire 11'' is extruded from the extrusion port 162, and stacked on the carrier tray 18 to form a three-dimensional molded article 2.

In the present embodiment, the fused deposition molding (FDM) machine 1 further includes a control device 17, and in some embodiments, the control device 17 is disposed in the accommodating space 160 of the container 16, but is not limited thereto. The control device 17 is electrically connected to the heater 161 and the extrusion port 162 to control the heating temperature of the heater 161. For example, in the preferred embodiment, the control device 17 controls the heating temperature of the heater 161 to be between Between 100 and 300 degrees, but not limited thereto, the finished wire 11' which has completed the complete wire diameter is melted into a liquid state by the heating temperature, and then controlled by the control device 17 to melt the liquid molded wire. 11'' is extruded from the extrusion port 162.

Therefore, in the present embodiment, as shown in FIG. 3, the fused deposition molding (FDM) machine 1 mainly uses the formed wire surface coloring device 10 directly, and the molded wire 11 is output from the material 匣12, and is passed through the molding wire surface coloring device. 10 groups of 10 supply drivers 131, 132 And two sets of preheaters 141, 142, two sets of nozzle assemblies 151, 152 and the like to respectively perform surface heating and painting surface coloring processes on the first surface 110 and the second surface 111 of the molding wire 11, so as to output a complete line. The color-formed molding wire 11' is thereafter directly conveyed to the accommodating space 160 of the container 16 by the completed wire diameter-forming molding wire 11'; and then controlled by the control device 17, so that the heater 161 has been The finished wire 11' is completed by heating and melting to form a liquid molded wire 11'', and is controlled by the control device 17 to extrude the molten liquid molded wire 11'' from the extrusion port 162 onto the carrier tray 17, And stacking according to different cross-section patterns of each layer, and as the liquid-formed wire 11'' is naturally cooled and solidified, sequentially stacked and formed, a three-dimensional molded object 2 is stacked in layers. Therefore, in the present embodiment, the molded wire surface coloring device 10 is directly applied to the fused deposition molding (FDM) machine 1 and the finished wire surface coloring device 10 outputs the completed full-line coloring molding. The wire 11' can be directly melted and extruded 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 a three-dimensional molded product. 2 color is realistic and artistic.

In addition, in other embodiments, the fused deposition molding (FDM) machine 1 can also directly apply the material 匣 (not shown) for storing the finished wire 11' which has completed the full-line coloring, when three-dimensional is desired. During molding, the formed wire 11' of the completed full-bore coloring stored in the material bundle can be outwardly conveyed and conveyed to the container 16 through the driving guide of the driving wheel (not shown). In the space 160, and also through the control of the control device 17, the heater 161 heats and melts the formed wire 11' which has been completely colored to form a liquid molded wire 11'', which is then controlled by the control device 17 to melt. The liquid formed wire 11'' is then extruded from the extrusion port 162 onto the carrier tray 17. And stacking according to different cross-sectional patterns of each layer, and as the liquid-formed wire 11'' is naturally cooled and solidified, sequentially stacked and formed, a three-dimensional molded object 2 is stacked in layers.

In summary, the fused deposition molding machine of the present invention mainly uses a U-shaped guiding path to match two sets of supply and delivery drives, two sets of preheaters, two sets of nozzle assemblies and the like through the surface forming device of the forming wire to respectively form the wire. The first surface and the second surface are subjected to a surface heating and a spray surface coloring process to complete the full-line coloring, and then the finished wire having completed the full-line coloring is directly input into the accommodating space of the container, The control device controls the heater to heat and melt, and extrudes and stacks the three-dimensional shaped product of the desired color, which not only breaks through the technical bottleneck of the traditional three-dimensional three-dimensional molded product, but also provides the user to self-distribute and spray the same. The color of the formed wire is required to increase the color simulation and artistry of the three-dimensional molded object, and at the same time, it is more conducive to promoting the color three-dimensional printing technology, and the color three-dimensional printing technology is 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.

10‧‧‧Formed wire surface coloring device

11‧‧‧Molded wire

110‧‧‧ first surface

111‧‧‧ second surface

12‧‧‧Materials

131, 132‧‧‧Supply drives

141, 142‧‧ ‧ preheater

151, 152‧‧‧ nozzle assembly

1511, 1521‧‧‧ nozzle ink

1512, 1522‧‧‧ bearing seat

1513, 1523‧‧‧ spray collection box

Claims (16)

A smelting deposition molding machine comprising: two sets of supply and drive drives respectively disposed in a rear section of a U-shaped guiding path of a forming wire for guiding driving the forming wire feed guide; two sets of nozzle components are respectively set Each of the set of the nozzle assemblies includes at least one nozzle ink cartridge, and each of the nozzle cartridges houses at least one color dye and is separately stored, and each of the nozzles At least one liquid discharge generator is disposed in the bottom of the ink cartridge for communicating with the at least one color dye, and each of the nozzle ink nozzles is further provided with a plurality of injection holes, and each of the injection holes corresponds to the interior The liquid spray generator is connected to prevent the at least one color dye from being ejected outwardly from the spray hole when the spray generator is driven; at least one container has an accommodation space and an extrusion port, and the insertion space is Further provided with a heater; and a control device electrically connected to the heater and the extrusion port; thereby, the molding wire is guided by the two sets of supply and drive drives and fed to the U-shaped guide path Two groups of nozzles And performing surface spraying operation on the two surfaces of the molding wire through the two sets of nozzle assemblies to complete the full-line coloring of the molding wire, and then inputting into the at least one accommodating space, and the control device controls the The temperature of the heater is such that the shaped wire which completes the full-line coloring is melted and stored in the accommodating space of the at least one container, and is controlled by the control device to cause one of the liquid-formed wires after melting to be The extrusion port is extruded and stacked in layers to form a three-dimensional shaped article. The fused deposition molding machine of claim 1, wherein the shaped wire has a diameter of between 0.01 mm and 2.0 mm. The fused deposition molding machine of claim 1, wherein the shaped wire has a diameter of between 0.1 mm and 1.0 mm. The fused deposition molding machine of claim 1, wherein the molding wire is a thermoplastic polymer material. The fused deposition molding machine of 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 fused deposition molding machine of 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 fused deposition molding machine of claim 1, wherein the temperature of the heater is between 100 and 300 degrees. The fused deposition molding machine of claim 1, wherein the color dye is a Cyan dye. The fused deposition molding machine of claim 1, wherein the color dye is a magenta dye. The fused deposition molding machine of claim 1, wherein the color dye is a yellow dye. The fused deposition molding machine of claim 1, wherein the color dye is a black dye. The fused deposition molding machine of claim 1, wherein the liquid ejecting generator is at least one of a thermal bubble nozzle, a piezoelectric nozzle, and a microelectromechanical process. The fused deposition molding machine of claim 1, wherein the fused deposition molding machine further comprises two sets of preheaters respectively disposed on one side of the corresponding supply and output drive to implement a surface of the molding wire. Heating, benefiting from the two sets of nozzle assemblies for surface spraying of the two surfaces of the shaped wire. The fused deposition molding machine of claim 13, wherein the preheater has a preheating temperature of between 50 and 100 degrees. The fused deposition molding machine of claim 13, wherein the preheater has a preheating temperature of between 70 and 75 degrees. The fused deposition molding machine 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.