Abstract: A 3D printing head having a carrier, a pair of nozzle assemblies, a swing arm and a driving mechanism is provided. The nozzle assemblies are arranged on the carrier. Each nozzle assembly has a nozzle and a reset elastic member. Each nozzle is connected to the carrier and up-down movable relative to the carrier. The reset elastic members are connected between the carrier and the respective corresponding nozzles. The swing arm is pivoted on the carrier and able to swing one end thereof between the nozzles to selectively press one of the nozzles down. The driving mechanism is connected with the swing arm to rotate the swing arm. The swing arm can be rotated by the driving mechanism to press the operated nozzle down for printing, and a height difference between the nozzles is thereby formed to prevent the product from being scratched by the idle nozzle when printing.

Abstract: A 3D print head includes a carrier connected with a horizontal slide rail, a pair of nozzle assemblies disposed on the carrier, a swing arm and a push rod. Each nozzle assembly includes a nozzle and an elastic member, and movably coupled to the carrier and capable of raising and lowering relative to the carrier. Each elastic member is connected between the carrier and the corresponding nozzle to raise the nozzle relative to the carrier. The swing arm is pivoted to the carrier, and one end there of can be moved between the nozzles to push one of the nozzles down. The push rod is extended from the swing arm. While the carrier moving along the horizontal slide rail, the push rod can be pushed to rotate the swing arm to push the print nozzle down, thus the product can be prevented from scratching by another idle nozzle while printing.

Abstract: A 3D print head includes a carrier connected with a horizontal slide rail, a pair of nozzle assemblies disposed on the carrier, a swing arm and a push rod. Each nozzle assembly includes a nozzle and an elastic member, and movably coupled to the carrier and capable of raising and lowering relative to the carrier. Each elastic member is connected between the carrier and the corresponding nozzle to raise the nozzle relative to the carrier. The swing arm is pivoted to the carrier, and one end there of can be moved between the nozzles to push one of the nozzles down. The push rod is extended from the swing arm. While the carrier moving along the horizontal slide rail, the push rod can be pushed to rotate the swing arm to push the print nozzle down, thus the product can be prevented from scratching by another idle nozzle while printing.

Abstract: A 3D printing head having a carrier, a pair of nozzle assemblies, a swing arm and a driving mechanism is provided. The nozzle assemblies are arranged on the carrier. Each nozzle assembly has a nozzle and a reset elastic member. Each nozzle is connected to the carrier and up-down movable relative to the carrier. The reset elastic members are connected between the carrier and the respective corresponding nozzles. The swing arm is pivoted on the carrier and able to swing one end thereof between the nozzles to selectively press one of the nozzles down. The driving mechanism is connected with the swing arm to rotate the swing arm. The swing arm can be rotated by the driving mechanism to press the operated nozzle down for printing, and a height difference between the nozzles is thereby formed to prevent the product from being scratched by the idle nozzle when printing.

Abstract: A three-dimensional (3D) printing system including a control module, at least one moving module, a particle-type 3D printing nozzle and a coil-type 3D printing nozzle is provided. The moving module, the particle-type 3D printing nozzle and the coil-type 3D printing nozzle are respectively and electrically connected to the control module, and the particle-type 3D printing nozzle and the coil-type 3D printing nozzle are disposed on the at least one moving module. The control module moves the particle-type 3D printing nozzle or the coil-type 3D printing nozzle through the at least one moving module, and drives the particle-type 3D printing nozzle or the coil-type 3D printing nozzle to perform a 3D printing operation to print a 3D object.

Abstract: A cleaning mechanism of a 3D printer including a cleaning module, a first wiper, a second wiper, and a carrier is provided. The cleaning module has a top plane. The first wiper is arranged corresponding to the cleaning module and protruding beyond the top plane. The second wiper is arranged on the cleaning module and protruding beyond the top plane. The carrier is connected to a rail and suspended above the cleaning module. A modeling nozzle corresponding to the first wiper and a painting pen corresponding to the second wiper are arranged on the carrier and movable. The modeling nozzle and the painting pen are arranged respectively aligned to the first wiper and the second wiper. The modeling nozzle is allowed to move pass the first wiper and bypass the second wiper. The painting pen is allowed to move pass the second wiper and bypass the first wiper.

Abstract: A slicing and printing method for colour 3D physical model with protective film is provided. The method executes a slicing process to colour 3D object data for generating multiple layers of object slice data and colour slice data, generate multiple layers of body slice data and multiple layers of protection slice data according to multiple layers of the object slice data, manufacture multiple layers of body slice physical models according to multiple layers of the body slice data, color each layer of the manufactured body slice physical model according to the same layer of the colour slice data, and use light-transmissive print materials to manufacture multiple layers of protection slice physical models according to multiple layers of the protection slice data. The method can effectively make the manufactured colour 3D physical model be with light-transmissive protective film, and prevent the colour 3D physical model from decolorization.

Abstract: The present invention relates to a feeding control system of a 3D printer and a feeding control method thereof. The feeding control system, used with a filament, comprises a first feeding apparatus, a second feeding apparatus, and a feeding sensor. The first feeding apparatus comprises an outlet, a fixed wheel set, a movable wheel set, and a controller. The fixed wheel set and the movable wheel set hold and deliver the filament to the outlet. The controller is disposed corresponding to the movable wheel set. The second feeding apparatus is installed in the 3D printer. The feeding sensor is disposed corresponding to the second feeding apparatus and used to sense entrance of the filament to generate a release signal. After receiving the release signal, the controller drives the movable wheel set to move away from the fixed wheel set to release the filament.

Abstract: A printing head module for a 3-D printing apparatus includes a 3-D print head, an ink-jet print head and a baking module. The 3-D print head includes a melting module and a base-material nozzle to print a plurality of staking layers. The ink-jet print head is connected to the 3-D print head and includes an ink nozzle to dispense ink on each stacking layer. The baking module is disposed between the 3-D print head and the ink-jet print head and includes a fan, a discharge casing and a heating module. The fan includes an air-discharge side facing the base to provide an air flow. The discharge casing is disposed on the air-discharge side. The heating module is disposed between the fan and the discharge casing to heat the air flow and the heated air flow being blown out via the discharge casing for drying the ink layer.

Abstract: A 3-D printing apparatus includes a body, a disposed in the body, a control module, a print head module assembled to the body and electrically connected with the control module and a sensing module. The sensing module is assembled to the print head module to move along with the print head module in the body and electrically connected with the control module and includes a probe. The control module drives the print head module to move and causes a part of the body to hit the sensing module, thereby driving the probe to protrude from the print head module to form a first state. In the first state, the control module drives the print head module to move and causes the probe to contact the platform, thereby determining a surface state of the platform.

Abstract: A 3D printing device with a dual transmission mechanism includes a motor, a driving wheel module, two first driven wheels, two second driven wheels, a first longitudinal belt, a second longitudinal belt, a first and a second latitudinal belt. The driving wheel module has an upper and a lower driving wheels sheathed on and connected to a drive shaft of the motor; each first driven wheel has an upper and a lower wheel areas; the first longitudinal belt is sheathed on the upper driving wheel and one of the upper wheel areas; the second longitudinal belt is sheathed on the lower driving wheel and one of the lower wheel areas; the first latitudinal belt is sheathed on the other lower wheel area and one of the second driven wheels; and the second latitudinal belt is sheathed on the other upper wheel area and the other second driven wheel.

Abstract: A 3D printing device having a casing (100), a lifting platform (300), a horizontal sliding rail (400) and a forming platform (500) is provided. A forming chamber (101) is defined in the casing (100), and an opening (102) communicated with the forming chamber (101) is defined at one side of the casing (100). The lifting platform (300) is accommodated in the casing (100). The horizontal sliding rail (400) is disposed on the lifting platform (300), and the horizontal sliding rail (400) extends toward the opening (102). The forming platform (500) is disposed on the horizontal sliding rail (400) and movable along the horizontal sliding rail (400). The forming platform (500) is capable of moving out of the casing (100) through the opening (102).

Abstract: An automatically coloring method for 3D physical model is provided. The method is to control a 3D coloring apparatus to execute 3D scanning and a modeling process on a 3D physical model placed on a movable carrier platform for generating scanning object data via a 3D scanning module, generate data for controlling coloring and data for controlling carrier platform associated with each other according to color distribution data and the scan object data, control the movable carrier platform to change a spatial position of the 3D physical model according to the data for controlling carrier platform, and control a coloring module to color a plurality of viewing surfaces of the 3D physical model. Therefore, automatically executing a coloring process on the 3D physical model can be achieved, and the artificial coloring can be replaced as well.

Abstract: A method of slicing and printing a colour 3D model is disclosed. The method includes following steps: loading a model data corresponding to a colour 3D model; adding a pollution-blocking structure next to the colour 3D model; executing a slicing process to the pollution-blocking structure and the colour 3D model for generating a plurality of pollution-blocking slices and a plurality of model slices and configuring colour of each of the model slices; and, controlling a modeling nozzle (100) of a multi-colour 3D printer (1) to print the pollution-blocking slices and the model slices layer by layer and controlling a coloring nozzle (102) of the multi-colour 3D printer (1) to color each of the model slices.

Abstract: A three-dimensional printer includes: a machine mainframe, formed with a carrying plane; a three-dimensional printing module, installed on the machine mainframe, and used for forming a three-dimensional object on the carrying plane according to a three-dimensional model data; and a color spraying nozzle module, installed on the machine mainframe and used for coloring a surface of the three-dimensional object according to the three-dimensional model data, wherein the color spraying nozzle module includes at least one color spraying nozzle and at least one screen member, the color spraying nozzle is formed with at least one nozzle hole, the screen member is formed with at least one screen hole, the screen hole is arranged corresponding to the nozzle hole, and the area of the screen hole is smaller than the area of the nozzle hole thereby enabling the color spraying nozzle module to more efficiently color the three-dimensional object.

Abstract: A quick release print head includes a heating block, a nozzle tube and a connecting tube. The nozzle tube is inserted in the heating block. One end of the nozzle tube has a nozzle and the other end is extended with an extension tube exposed to the heating block. The connecting tube is connected with the extension tube. Whereby, the extension tube extended from the nozzle tune is exposed to the heating block so that the nozzle tube disposed near the heating block cannot be disassembled. Thus, a process of replacing components by heating a nozzle can be bypassed, and advantages of quick disassembly and easy maintenance of the print head can be achieved.

Abstract: A three-dimensional (3D) printing system including a control module, at least one moving module, a particle-type 3D printing nozzle and a coil-type 3D printing nozzle is provided. The moving module, the particle-type 3D printing nozzle and the coil-type 3D printing nozzle are respectively and electrically connected to the control module, and the particle-type 3D printing nozzle and the coil-type 3D printing nozzle are disposed on the at least one moving module. The control module moves the particle-type 3D printing nozzle or the coil-type 3D printing nozzle through the at least one moving module, and drives the particle-type 3D printing nozzle or the coil-type 3D printing nozzle to perform a 3D printing operation to print a 3D object.

Abstract: A three-dimensional printing nozzle, a three-dimensional printing nozzle assembly, and a three-dimensional printing apparatus are provided. The three-dimensional printing nozzle includes a nozzle body having an inlet and an outlet, a driving unit disposed in the nozzle body, a first heating unit, and a first heat dissipation unit. A particle forming material is adapted to enter the nozzle body from the inlet. The driving unit is configured for pushing the particle forming material to move from the inlet to the outlet. The first heating unit is disposed in the nozzle body for heating and melting the particle forming material and extrudes a melted forming material out of the nozzle body from the outlet through the driving unit. The first heat dissipation unit is disposed in the nozzle body and located between the first heating unit and the inlet to reduce heat transmitted from the first heating unit to the inlet.

Abstract: A three-dimensional printing system for printing out an object includes a support plate, a delivery module, one or multiple printing devices, and an object detaching member. The delivery module includes a belt covering the support plate. The belt includes a printing area above the support plate and a separation section of the support plate. The printing device is arranged corresponding to the support plate. The object is formed layer by layer in the printing area via the printing device and is moved with the belt. The object detaching member is arranged under the belt and between the support plate and the separation section. The object detaching member includes an abutment portion abutted against the belt. The abutment portion is at a position higher than the separation section to form a height level difference.

Abstract: A three-dimensional printer and a scanning module thereof is provided. The three-dimensional printer includes a case, a printing platform, a cleaning module, a three-dimensional printing module, a coloring nozzle module and a scanning module. A containing chamber is defined in the case, and a first area and a second area are defined in the containing chamber. The printing platform is arranged in the first area. A portion of the second area is occupied by the cleaning module, and a remaining space is formed by the second area. The three-dimensional printing module and the coloring nozzle module are arranged over the printing platform. The cleaning module is used to clean the coloring nozzle module. The scanning module is arranged in the remaining space. A user obtains a three-dimensional model information of a scanned object via the scanning module, and the three-dimensional printer therefore gains more popularity.