CN106064479A - A kind of many shower nozzles 3D printer - Google Patents

Abstract

The invention discloses a kind of many shower nozzles 3D printer, comprise housing, print hoistable platform, shower head mechanism, X-axis translation mechanism and Y-axis translation mechanism, shower head mechanism is arranged on the upside of housing and is driven by X-axis translation mechanism and moves horizontally along X-direction, shower head mechanism is driven by Y-axis translation mechanism and moves horizontally along Y-axis, printer hoistable platform is arranged on below shower head mechanism and can vertically lift, shower head mechanism comprises end support and some shower nozzles, some shower nozzles are fixed on the downside of end support, the some charging apertures vertically offered are had on upper end support, the corresponding shower nozzle of charging aperture arranges and connects with corresponding shower nozzle.The multiple shower nozzle of the present invention is set together, and reduces the volume of 3D printer；Multiple shower nozzles can carry out the printing of the model of many colors, and can be printed with substantial amounts of radiused ramp or the model of hollow out decoration.

Description

A kind of multi-nozzle 3D printer

technical field

The invention relates to a 3D printer, in particular to a multi-nozzle 3D printer.

Background technique

3D printing, also known as additive manufacturing, is a type of rapid prototyping technology. 3D printing technology appeared in the 1980s, but it has only been used more and more in recent years due to cost reasons. Fused deposition modeling 3D printing technology is a mainstream technology adopted by consumer-grade 3D printers.

The four nozzles of the four-nozzle 3D printer in the prior art are placed in parallel, and the four nozzles are linked to each other but print independently, so that four 3D models can be printed at the same time and different color materials can be used to print different color models. , but the disadvantages of this method are: 1. The length is longer, resulting in a large volume of the 3D printer. 2. It is impossible to use one of the nozzles to print soluble supports, and the other nozzles to print models, resulting in the inability to print models with a large number of arc slopes or hollow decorations. 3. Unable to print multi-color models.

Contents of the invention

The technical problem to be solved by the present invention is to provide a multi-nozzle 3D printer capable of printing hollowed-out models and multi-color models.

In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is:

A multi-nozzle 3D printer, characterized in that it includes a housing, a printing lifting platform, a nozzle mechanism, an X-axis translation mechanism and a Y-axis translation mechanism, the nozzle mechanism is arranged on the upper side of the housing and is driven by the X-axis translation mechanism along the X-axis The direction moves horizontally, and the nozzle mechanism is driven by the Y-axis translation mechanism to move horizontally along the Y-axis. The printer lifting platform is set under the nozzle mechanism and can be lifted in the vertical direction. The nozzle mechanism includes an upper bracket and several nozzles, and several nozzles are fixed under the upper bracket. On the side, the upper end bracket is provided with a number of feeding ports along the vertical direction, and the feeding ports are arranged corresponding to the nozzles and communicated with the corresponding nozzles.

Further, the printing lifting platform includes a horizontal platform, a platform support, two vertical sliding rods, a vertical screw and a vertical screw driving motor, the horizontal platform is horizontally arranged and fixed on the upper side of the platform support, and the two vertical sliding rods are vertically arranged Fixed on both sides inside the shell, one side of the platform bracket is sleeved on two vertical sliding rods and can slide along the vertical direction along the sliding rods, the vertical screw is vertically set and both ends are rotated on the shell, vertically One end of the screw rod is connected with the vertical screw rod driving motor and driven by the vertical screw rod driving motor, and one side of the platform support is sleeved on the vertical screw rod and threadedly connected with the vertical screw rod.

Further, the X-axis translation mechanism and the Y-axis translation mechanism include an X-axis sliding rod, a Y-axis sliding rod, an X-axis rotating shaft, a Y-axis rotating shaft, an X-axis slider, a Y-axis slider, an X-axis timing belt, and a Y-axis timing belt , X-axis driving motor and Y-axis driving motor, the upper end bracket has an X-axis through hole and a Y-axis through hole, the upper end bracket is sleeved on the X-axis sliding rod through the X-axis through hole and can slide freely, and the upper end bracket passes through the Y-axis The through hole is set on the Y-axis slider and can slide freely. Two X-axis sliders are fixed on both ends of the X-axis slider, two Y-axis sliders are fixed on both ends of the Y-axis slider, and the X-axis slider is set on the X-axis. shaft and can slide freely along the X-axis, the Y-axis slider is sleeved on the Y-axis and can slide freely along the Y-axis, the X-axis is arranged on both sides of the housing along the Y-axis The end rotation is set on the housing, the two X-axis shafts are linked through the X-axis synchronous belt, one X-axis shaft is connected to the X-axis driving motor through a belt, and is driven by the X-axis driving motor, and the Y-axis shaft is set along the X-axis axial direction. The two sides of the housing and both ends are rotated on the housing. The two Y-axis shafts are linked by the Y-axis synchronous belt. One Y-axis shaft is connected to the Y-axis driving motor through a belt and is driven by the Y-axis driving motor. The X-axis slider It is fixed on the Y-axis synchronous belt and driven by the Y-axis synchronous belt, and the Y-axis slider is fixed on the X-axis synchronous belt and driven by the X-axis synchronous belt.

Further, the spray head mechanism is provided with a cooling device.

Further, the cooling device includes several groups of fans, heat sinks, heat dissipation columns and heat dissipation rings, the heat dissipation ring is sleeved outside the lower end of the nozzle, one end of the heat dissipation column is fixedly connected to the heat dissipation ring, the other end of the heat dissipation column is fixed to the heat dissipation fin, and the fan is fixed on the upper side of the heat sink.

Further, the number of the nozzles is four, and the four nozzles are vertically arranged in pairs on the same plane and close to each other, and the distance between the nozzles is equal.

Further, several nozzles are correspondingly connected to several 3D printing material sources, and the material color of each 3D printing material source is different.

Further, several nozzles are correspondingly connected to several 3D printing material sources, wherein the material of one 3D printing material source is a soluble support material, and the other 3D printing material sources are 3D printing materials of different colors.

Compared with the prior art, the present invention has the following advantages and effects: multiple nozzles are arranged together, which reduces the volume of the 3D printer; multiple nozzles can print multi-color models, and can print a large number of arcs Models with beveled or openwork decoration.

Description of drawings

Fig. 1 is a schematic diagram of a multi-nozzle 3D printer of the present invention.

Fig. 2 is a schematic diagram of a nozzle mechanism of a multi-nozzle 3D printer of the present invention.

Fig. 3 is a front view of a multi-nozzle 3D printer of the present invention.

Fig. 4 is a bottom view of a multi-nozzle 3D printer of the present invention.

Fig. 5 is a top view of a multi-nozzle 3D printer of the present invention.

Fig. 6 is a bottom view of a nozzle mechanism of a multi-nozzle 3D printer of the present invention.

detailed description

The present invention will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are explanations of the present invention and the present invention is not limited to the following examples.

Example 1:

As shown in the figure, a multi-nozzle 3D printer of the present invention includes a housing 1, a printing lifting platform 2, a nozzle mechanism 3, an X-axis translation mechanism and a Y-axis translation mechanism. The nozzle mechanism 3 is arranged on the upper side of the housing 1 and Driven by the X-axis translation mechanism to move horizontally along the X-axis direction, the nozzle mechanism 3 is driven to move horizontally along the Y-axis by the Y-axis translation mechanism. The printer lifting platform 2 is arranged below the nozzle mechanism 3 and can be lifted vertically. Upper bracket 4 and some nozzles 5, some nozzles 5 are fixed on the lower side of upper bracket 4, upper bracket 4 is provided with some feeding ports along the vertical direction, the feeding ports correspond to nozzles 5 and communicate with corresponding nozzles 5.

The printing lifting platform 2 includes a horizontal platform 6, a platform bracket 7, two vertical sliding rods 8, a vertical screw 9 and a vertical screw driving motor 10, the horizontal platform 6 is horizontally set and fixed on the upper side of the platform bracket 7, and the two vertical sliding rods 8 is vertically arranged and fixed on both sides inside the housing 1, one side of the platform support 7 is sleeved on two vertical sliding rods 8 and can slide vertically along the sliding rods 8, the vertical screw rod 9 is vertically arranged and the two ends The rotation is arranged on the housing 1, one end of the vertical screw 9 is connected with the vertical screw drive motor 10 and driven by the vertical screw drive motor 10, and one side of the platform support 7 is sleeved on the vertical screw 9 and screwed with the vertical screw 9 .

The X-axis translation mechanism and the Y-axis translation mechanism include the X-axis sliding rod 11, the Y-axis sliding rod 12, the X-axis rotating shaft 13, the Y-axis rotating shaft 14, the X-axis slider 15, the Y-axis slider 16, the X-axis timing belt 17, and the Y-axis Synchronous belt 18, X-axis driving motor 19 and Y-axis driving motor 20, X-axis through hole 21 and Y-axis through hole 22 are opened on the upper end bracket 4, and the upper end bracket 4 is sleeved on the X-axis sliding rod 11 through the X-axis through hole 21 and can slide freely, the upper bracket 4 is sleeved on the Y-axis sliding rod 12 through the Y-axis through hole 22 and can slide freely, two X-axis sliders 15 are fixed at both ends of the X-axis sliding rod 11, and the two Y-axis sliders 16 is fixed on both ends of the Y-axis slider 12, the X-axis slider 15 is sleeved on the X-axis shaft 13 and can slide freely along the X-axis shaft 13, and the Y-axis slider 16 is sleeved on the Y-axis shaft 14 and can slide along the The Y-axis rotating shaft 14 slides freely, the X-axis rotating shaft 13 is arranged on both sides of the housing 1 along the Y-axis axially and both ends are rotated on the housing 1, and the two X-axis rotating shafts 13 are linked by the X-axis timing belt 17, An X-axis rotating shaft 13 is connected to the X-axis driving motor 19 through a belt and is driven by the X-axis driving motor 19. The Y-axis rotating shaft 14 is arranged on both sides of the housing 1 along the X-axis axially and both ends are rotated on the housing 1. , two Y-axis rotating shafts 14 are linked through Y-axis timing belt 18, one Y-axis rotating shaft 14 is connected to Y-axis driving motor 20 through a belt and driven by Y-axis driving motor 20, and X-axis slider 15 is fixed on Y-axis timing belt 18 Driven by the Y-axis synchronous belt 18, the Y-axis slide block 16 is fixed on the X-axis synchronous belt 17 and driven by the X-axis synchronous belt 17.

The spray head mechanism 3 is provided with a cooling device. The cooling device includes several groups of fans 23, heat sinks 24, heat dissipation columns 25 and heat dissipation rings 26. The heat dissipation rings 26 are set outside the lower end of the shower head 5. One end of the heat dissipation column 25 is fixedly connected with the heat dissipation ring 26, and the other end of the heat dissipation column 25 is connected with the heat dissipation fins. 24 is fixed, and the fan 23 is fixed on the heat sink 24 upper side. The number of nozzles 5 is four, and the four nozzles are vertically arranged in pairs on the same plane and are close to each other, and the distance between the nozzles 5 is equal.

Several nozzles 5 are correspondingly connected to several 3D printing material sources, and the material color of each 3D printing material source is different. This enables printing of 3D models in multiple colors.

Example 2:

A multi-nozzle 3D printer, comprising a casing 1, a printing lifting platform 2, a nozzle mechanism 3, an X-axis translation mechanism and a Y-axis translation mechanism, the nozzle mechanism 3 is arranged on the upper side of the casing 1 and driven by the X-axis translation mechanism along the X The axis moves horizontally, and the nozzle mechanism 3 is driven by the Y-axis translation mechanism to move horizontally along the Y axis. The printer lifting platform 2 is arranged below the nozzle mechanism 3 and can be lifted in the vertical direction. The nozzle mechanism 3 includes an upper bracket 4 and several nozzles 5. Several nozzles 5 are fixed on the lower side of the upper bracket 4, and the upper bracket 4 is provided with some feeding ports provided in the vertical direction, and the feeding ports correspond to the nozzles 5 and communicate with the corresponding nozzles 5.

The printing lifting platform 2 includes a horizontal platform 6, a platform bracket 7, two vertical sliding rods 8, a vertical screw 9 and a vertical screw driving motor 10, the horizontal platform 6 is horizontally set and fixed on the upper side of the platform bracket 7, and the two vertical sliding rods 8 is vertically arranged and fixed on both sides inside the housing 1, one side of the platform support 7 is sleeved on two vertical sliding rods 8 and can slide vertically along the sliding rods 8, the vertical screw rod 9 is vertically arranged and the two ends The rotation is arranged on the housing 1, one end of the vertical screw 9 is connected with the vertical screw drive motor 10 and driven by the vertical screw drive motor 10, and one side of the platform support 7 is sleeved on the vertical screw 9 and screwed with the vertical screw 9 .

The X-axis translation mechanism and the Y-axis translation mechanism include the X-axis sliding rod 11, the Y-axis sliding rod 12, the X-axis rotating shaft 13, the Y-axis rotating shaft 14, the X-axis slider 15, the Y-axis slider 16, the X-axis timing belt 17, and the Y-axis Synchronous belt 18, X-axis driving motor 19 and Y-axis driving motor 20, X-axis through hole 21 and Y-axis through hole 22 are opened on the upper end bracket 4, and the upper end bracket 4 is sleeved on the X-axis sliding rod 11 through the X-axis through hole 21 and can slide freely, the upper bracket 4 is sleeved on the Y-axis sliding rod 12 through the Y-axis through hole 22 and can slide freely, two X-axis sliders 15 are fixed at both ends of the X-axis sliding rod 11, and the two Y-axis sliders 16 is fixed on both ends of the Y-axis slider 12, the X-axis slider 15 is sleeved on the X-axis shaft 13 and can slide freely along the X-axis shaft 13, and the Y-axis slider 16 is sleeved on the Y-axis shaft 14 and can slide along the The Y-axis rotating shaft 14 slides freely, the X-axis rotating shaft 13 is arranged on both sides of the housing 1 along the Y-axis axially and both ends are rotated on the housing 1, and the two X-axis rotating shafts 13 are linked by the X-axis timing belt 17, An X-axis rotating shaft 13 is connected to the X-axis driving motor 19 through a belt and is driven by the X-axis driving motor 19. The Y-axis rotating shaft 14 is arranged on both sides of the housing 1 along the X-axis axially and both ends are rotated on the housing 1. , two Y-axis rotating shafts 14 are linked through Y-axis timing belt 18, one Y-axis rotating shaft 14 is connected to Y-axis driving motor 20 through a belt and driven by Y-axis driving motor 20, and X-axis slider 15 is fixed on Y-axis timing belt 18 Driven by the Y-axis synchronous belt 18, the Y-axis slide block 16 is fixed on the X-axis synchronous belt 17 and driven by the X-axis synchronous belt 17.

The spray head mechanism 3 is provided with a cooling device. The cooling device includes several groups of fans 23, heat sinks 24, heat dissipation columns 25 and heat dissipation rings 26. The heat dissipation rings 26 are set outside the lower end of the shower head 5. One end of the heat dissipation column 25 is fixedly connected with the heat dissipation ring 26, and the other end of the heat dissipation column 25 is connected with the heat dissipation fins. 24 is fixed, and the fan 23 is fixed on the heat sink 24 upper side. The number of nozzles 5 is four, and the four nozzles are vertically arranged in pairs on the same plane and are close to each other, and the distance between the nozzles 5 is equal.

Several nozzles are correspondingly connected to several 3D printing material sources, wherein the material of one 3D printing material source is a soluble support material, and the other 3D printing material sources are 3D printing materials of different colors. Thus, models with a large number of arc bevels or hollow decorations can be printed.

When the multi-nozzle 3D printer of the present invention is printing, the printer is connected to the computer and controlled by the computer, and the model to be printed is processed by the computer into a graphic file required by the printer. For a multi-color model, different colors need to be decomposed The single-color graphics files are processed separately, and then the graphics files of the corresponding colors are matched to the corresponding nozzles for operation. When printing on the same layer, several nozzles perform printing operations in turn according to the preset printing order. After completing one layer of printing The printing lifting platform 2 descends to the height of one layer to continue printing on another layer.

In order to improve printing efficiency, when printing with multiple nozzles at the same time, it is necessary to integrate four monochrome graphics files according to the distance between the nozzles. The monochrome graphics files are still controlled corresponding to individual nozzles. Stop working when spraying the position, so that multiple nozzles work together to complete a layer of printing.

The above content described in this specification is only an illustration of the present invention. Those skilled in the technical field to which the present invention belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, as long as they do not deviate from the content of the present invention specification or exceed the scope defined in the claims, all should Belong to the protection scope of the present invention.

Claims (8)

1. A multi-nozzle 3D printer, characterized in that: it includes a housing, a printing lifting platform, a nozzle mechanism, an X-axis translation mechanism and a Y-axis translation mechanism, and the nozzle mechanism is arranged on the upper side of the housing and is driven by the X-axis translation mechanism along the The X-axis moves horizontally, and the nozzle mechanism is driven by the Y-axis translation mechanism to move horizontally along the Y-axis. The printer lifting platform is set under the nozzle mechanism and can be lifted in the vertical direction. The nozzle mechanism includes an upper bracket and several nozzles, and several nozzles are fixed on the upper end. The lower side of the bracket and the upper bracket are provided with several feeding ports along the vertical direction, and the feeding ports are arranged corresponding to the nozzles and communicated with the corresponding nozzles. 2. The multi-nozzle 3D printer according to claim 1, wherein the printing lifting platform comprises a horizontal platform, a platform support, two vertical sliding rods, a vertical screw and a vertical screw driving motor, and the horizontal platform The horizontal setting is fixed on the upper side of the platform bracket, and the two vertical sliding rods are vertically fixed on both sides of the housing. The side of the platform bracket is sleeved on the two vertical sliding rods and can slide along the sliding rods in the vertical direction. The straight screw is installed vertically and rotated at both ends on the housing. One end of the vertical screw is connected to the vertical screw drive motor and driven by the vertical screw drive motor. One side of the platform bracket is sleeved on the vertical screw and threaded on the vertical screw connect. 3. A multi-nozzle 3D printer according to claim 1, wherein the X-axis translation mechanism and the Y-axis translation mechanism include an X-axis sliding rod, a Y-axis sliding rod, an X-axis rotating shaft, a Y-axis rotating shaft, and an X-axis Slider, Y-axis slider, X-axis synchronous belt, Y-axis synchronous belt, X-axis drive motor and Y-axis drive motor, X-axis through hole and Y-axis through hole are opened on the upper end support, and the upper end support passes through the X-axis through hole It is sleeved on the X-axis slider and can slide freely. The upper bracket is sleeved on the Y-axis slider through the Y-axis through hole and can slide freely. Two X-axis sliders are fixed at both ends of the X-axis slider, and two Y-axis sliders The block is fixed at both ends of the Y-axis slider, the X-axis slider is set on the X-axis shaft and can slide freely along the X-axis shaft, and the Y-axis slider is sleeved on the Y-axis shaft and can slide freely along the Y-axis shaft The X-axis shafts are arranged on both sides of the housing along the Y-axis axially and both ends are rotated on the housing. The two X-axis shafts are linked by the X-axis timing belt, and one X-axis shaft is connected to the X-axis drive motor through a belt. Driven by the X-axis driving motor, the Y-axis shaft is arranged on both sides of the housing along the X-axis axial direction and the two ends are rotated on the housing. The two Y-axis shafts are linked by the Y-axis timing belt, and one Y-axis shaft is passed by the belt. It is connected with the Y-axis driving motor and driven by the Y-axis driving motor. The X-axis slider is fixed on the Y-axis timing belt and driven by the Y-axis timing belt. The Y-axis slider is fixed on the X-axis timing belt and driven by the X-axis timing belt. 4. A multi-nozzle 3D printer according to claim 1, characterized in that: said nozzle mechanism is provided with a cooling device. 5. A multi-nozzle 3D printer according to claim 4, characterized in that: the cooling device comprises several groups of fans, heat sinks, heat dissipation columns and heat dissipation rings, the heat dissipation ring is set outside the lower end of the nozzle, and one end of the heat dissipation column It is fixedly connected with the heat dissipation ring, the other end of the heat dissipation column is fixed with the heat sink, and the fan is fixed on the upper side of the heat sink. 6. A multi-nozzle 3D printer according to claim 1, characterized in that: the number of the nozzles is four, and the four nozzles are vertically arranged in pairs on the same plane and are close to each other, and the distance between the nozzles is equal . 7. A multi-nozzle 3D printer according to claim 1, characterized in that: several nozzles are correspondingly connected to several 3D printing material sources, and the material color of each 3D printing material source is different. 8. A multi-nozzle 3D printer according to claim 1, characterized in that: several nozzles are correspondingly connected to several 3D printing material sources, wherein the material of one 3D printing material source is a soluble support material, and the remaining 3D printing material sources are 3D printing materials of different colors.