CN211942121U

CN211942121U - Micro-extrusion nozzle for color mixing printing

Info

Publication number: CN211942121U
Application number: CN202020308940.8U
Authority: CN
Inventors: 郑璐
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2020-11-17
Anticipated expiration: 2030-03-13

Abstract

The utility model discloses a miniature extrusion nozzle is printed to colour mixture belongs to 3D and prints technical field, including the heating piece, the mount, a plurality of feedstock channel and hybrid system, set up a plurality of heating mounting holes on the heating piece, the nozzle is installed to the bottom of heating piece, be provided with the nozzle in the nozzle installation head, the hybrid system is including setting up the colour mixture chamber in the heating piece, the colour mixture output tube with colour mixture chamber intercommunication, install multi-disc colour mixture board in the colour mixture output tube, a plurality of feedstock channel all install on the heating piece, every feedstock channel includes a plurality of choke, the powder material input tube, the heat conduction sleeve, install a plurality of fin on the heat conduction sleeve, the powder material input tube is installed on the mount. The utility model discloses set up a plurality of feedstock channel on the heating piece, the silk material of feedstock channel input is mixed the back rethread nozzle blowout and is printed in the colour mixture intracavity, realizes that the multichannel colour mixture is printed, and the colour that the multichannel colour mixture can mix out the change of a million, has very big using value.

Description

Micro-extrusion nozzle for color mixing printing

Technical Field

The utility model belongs to the technical field of 3D prints, concretely relates to colour mixture prints miniature shower nozzle of extruding.

Background

The 3D printing technology is also called additive manufacturing technology, the forming process is to adopt drawing software such as NX, Pro/E, SoliWorks, 3DMAX and the like to carry out three-dimensional modeling on a product to be printed, then export the product into files with formats such as STL and the like, then use layering software to carry out layering to generate a GCODE file, finally import the GCODE file into a 3D printer, automatically read the file by a machine, layer by layer stack the material on a working platform, and finally print the whole product; the molding technology mainly comprises the following steps: fused Deposition Modeling (FDM), light-cured rapid prototyping (SLA), selective laser sintering modeling (SLS), Layered Object Manufacturing (LOM), three-dimensional printing manufacturing (3DP), and the like. The 3D printing technology can complete the manufacture of complex parts, shorten the research and development time, produce the product that traditional processing mode is difficult to process, have huge development prospect in fields such as medical instrument, automobile industry, scientific research teaching, aerospace, be praised as the sign of industrial revolution for the third time.

At present, the printing extrusion nozzle of the 3D printer is mostly a single-motor single-extrusion nozzle or a double-motor double-extrusion nozzle, each printing extrusion nozzle can only print one consumable at a time, and the printed object has a single color and cannot realize continuous printing of colored objects. Therefore, the prior art is subject to further improvement.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problem that prior art scheme can't realize multiple colour and print in succession, the utility model provides a colour mixture prints miniature extrusion nozzle, realizes that multichannel colour mixture prints in succession, and the colour that the multichannel colour mixture can mix out the change is changeable, has very big using value.

The utility model adopts the technical scheme as follows: the utility model provides a miniature extrusion nozzle is printed to colour mixture, includes heating piece, mount, a plurality of feedstock channel and hybrid system, set up a plurality of heating mounting holes on the heating piece, the nozzle installation head is installed to the bottom of heating piece, be provided with the nozzle in the nozzle installation head, the hybrid system is including setting up colour mixture chamber in the heating piece, with the colour mixture output tube of colour mixture chamber intercommunication, install the multi-disc colour mixture board in the colour mixture output tube, a plurality of feedstock channel all install on the heating piece, every feedstock channel include with a plurality of choke pipes of colour mixture chamber intercommunication, with the powder material input tube of choke pipe intercommunication, install heat conduction sleeve on the powder material input tube, install a plurality of fin on the heat conduction sleeve, the powder material input tube is installed on the mount.

Further, install 2 ~ 5 feedstock channel on the heating block, preferably, when 2 feedstock channel of upper end installation of heating block, constitute the double-circuit colour mixture and extrude the head, when 3 feedstock channel set up in the upper end of heating block, constitute three routes colour mixture and extrude the head.

Further, the fixed frame is fixedly connected with the powder material input pipe through a nut.

Furthermore, 2-3 color mixing plates are arranged in the color mixing output pipe, and each color mixing plate is provided with 2-5 small holes.

Furthermore, a reinforcing block is arranged on the fixing frame.

The utility model has the advantages that:

the utility model provides a colour mixture is printed miniature shower nozzle of extruding, set up a plurality of feedstock channel on the heating block, the silk material of feedstock channel input is mixed back rethread nozzle blowout and is printed in the colour mixture intracavity, realize that the colour mixture of multiple colour is printed to it is changeable and the colour is just to have realized that the product colour of printing out is just, especially sets up a plurality of feedstock channel on the heating block, realizes that the multichannel colour mixture is printed, the colour that the multichannel colour mixture can be mixed out the change of thousand changes, has very big using value.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

wherein the reference numerals are: 1-heating block; 2-heating the mounting hole; 3-reinforcing blocks; 4-nozzle mounting head; 5, outputting a mixed color pipe; 6, cooling fins; 7, a throat pipe; 8, a nut; 9-a heat conducting sleeve; 10-a color mixing chamber; 11-a holder; 12-color mixing plate; 13-a nozzle; 14-powder material input tube.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention are described below clearly and completely, and it is obvious that the embodiments described below are only some embodiments of the present invention, but not all embodiments. All other embodiments obtained by a person skilled in the art based on the embodiments of the present invention belong to the protection scope of the present invention.

Moreover, the technical solutions of the present invention between the various embodiments can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are combined and contradictory or cannot be realized, it should be considered that the combination of the technical solutions does not exist, and the present invention is not within the protection scope of the present invention.

As shown in fig. 1, the present embodiment provides a micro extrusion nozzle for color mixing printing, which comprises a heating block 1, a fixing frame 11, a plurality of feeding channels and a mixing system, offer a plurality of heating mounting holes 2 on the heating piece 1, nozzle installation head 4 is installed to the bottom of heating piece 1, be provided with nozzle 13 in the nozzle installation head 4, the hybrid system is including setting up colour mixture chamber 10 in heating piece 1, colour mixture output tube 5 with colour mixture chamber 10 intercommunication, install multi-disc colour mixture board 12 in the colour mixture output tube 5, a plurality of feedstock channel all install on heating piece 1, every feedstock channel includes a plurality of choke pipes 7 with colour mixture chamber 10 intercommunication, powder material input tube 14 with choke pipe 7 intercommunication, install heat conduction sleeve 9 on powder material input tube 14, install a plurality of fin 6 on heat conduction sleeve 9, powder material input tube 14 is installed on mount 11.

In this embodiment, the fixing frame 11 is formed by fixedly connecting a plurality of plates through the reinforcing blocks 3, and the reinforcing blocks 3 are used for connecting and reinforcing the fixing frame 11, so as to prevent the fixing frame 11 from being easily broken.

In the present exemplary embodiment, the holder 11 is fastened to the powder material supply line 14 by means of a nut 8. Be provided with the aperture on the mount 11, the aperture that powder material input tube 14 passed on the mount 11 stretches out a segment, is provided with the screw thread on the segment powder material input tube 14 that stretches out, and nut 8 fixes mount 11 on powder material input tube 14 through screw-thread fit.

As a preferred choice of this embodiment, install 2 ~ 5 feedstock channel on heating block 1, preferably, when two feedstock channel are installed to the upper end of heating block 1, constitute double-circuit colour mixture and extrude the head, when setting up three feedstock channel at the upper end of heating block 1, constitute three-way colour mixture and extrude the head.

As a preferred embodiment of this embodiment, 2 to 3 color mixing plates 12 are arranged in the color mixing

output tube

5, and 2 to 5 small holes are arranged on the color mixing plates 12, as a preferred solution, 4 small holes are arranged on the color mixing plates 12, so that when the fluid filaments mixed with color in the color mixing cavity 10 pass through the color mixing plates 12, a rotational flow is formed to further mix different fluid filaments.

The working principle of the embodiment is as follows:

during operation, insert the heating rod in the heating mounting hole 2 and heat heating block 1, the silk material of different colours is imported through two or three colour mixture output tubes 14, the silk material is heated and is melted at the lower extreme of choke 7, the different colour fluid silk material that melts mixes in colour mixing chamber 10, the fluid silk material after the mixture is imported downwards to nozzle 13 blowout through colour mixture output tube 5 and is carried out the colour mixture and print, colour mixture silk material is blockked by colour mixing board 12 in colour mixture output tube 5 and is formed the whirl and make the fluid silk material by further mixing, heat conduction sleeve 9 and fin 6 are used for dispelling the unnecessary heat that heats block 1 transmission to in choke 7. Set up a plurality of feedstock channel on the heating block 1, the silk material of feedstock channel input mixes back rethread nozzle 13 blowout and prints in colour mixture chamber 10, realizes that the colour mixture of multiple colour is printed to it is changeable and the colour is just to have realized the product colour that prints out, especially sets up a plurality of feedstock channel on heating block 1, realizes that multichannel colour mixture prints, and multichannel colour mixture can mix out the colour of change, has very big using value.

Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations can be made by those skilled in the art without inventive work on the basis of the technical solution of the present invention.

Claims

1. The utility model provides a colour mixture prints miniature extrusion nozzle which characterized in that: including heating block, mount, a plurality of feedstock channel and hybrid system, set up a plurality of heating mounting holes on the heating block, the nozzle installation head is installed to the bottom of heating block, be provided with the nozzle in the nozzle installation head, the hybrid system is including setting up colour mixture chamber in the heating block, with the colour mixture output tube of colour mixture chamber intercommunication, install the multi-disc colour mixture board in the colour mixture output tube, a plurality of feedstock channel all install on the heating block, every feedstock channel include with a plurality of choke of colour mixture chamber intercommunication, with the powder material input tube of choke intercommunication, install heat conduction sleeve on the powder material input tube, install a plurality of fin on the heat conduction sleeve, the powder material input tube is installed on the mount.

2. A color mixing printing micro extrusion nozzle as claimed in claim 1, wherein: 2-5 feed channels are installed on the heating block.

3. A color mixing printing micro extrusion nozzle as claimed in claim 1, wherein: the fixing frame is fixedly connected with the powder material input pipe through a nut.

4. A color mixing printing micro extrusion nozzle as claimed in claim 1, wherein: and 2-3 color mixing plates are arranged in the color mixing output pipe, and each color mixing plate is provided with 2-5 small holes.

5. A color mixing printing micro extrusion nozzle as claimed in claim 1, wherein: and the fixed frame is provided with a reinforcing block.