CN109352990A - A kind of print head of hybrid colored 3D printer - Google Patents

A kind of print head of hybrid colored 3D printer Download PDF

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Publication number
CN109352990A
CN109352990A CN201811456857.9A CN201811456857A CN109352990A CN 109352990 A CN109352990 A CN 109352990A CN 201811456857 A CN201811456857 A CN 201811456857A CN 109352990 A CN109352990 A CN 109352990A
Authority
CN
China
Prior art keywords
sprayer body
print head
annular
mixing chamber
colored
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811456857.9A
Other languages
Chinese (zh)
Inventor
李培友
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shaanxi University of Technology
Original Assignee
Shaanxi University of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shaanxi University of Technology filed Critical Shaanxi University of Technology
Priority to CN201811456857.9A priority Critical patent/CN109352990A/en
Publication of CN109352990A publication Critical patent/CN109352990A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/10—Processes of additive manufacturing
    • B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
    • B29C64/118—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/205—Means for applying layers
    • B29C64/209—Heads; Nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/295—Heating elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/30—Auxiliary operations or equipment
    • B29C64/307—Handling of material to be used in additive manufacturing
    • B29C64/321—Feeding
    • B29C64/336—Feeding of two or more materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y40/00—Auxiliary operations or equipment, e.g. for material handling

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Optics & Photonics (AREA)

Abstract

The invention discloses a kind of print heads of hybrid colored 3D printer.Using red green blue tricolor color mixing method, to printing head according to different proportion supplying material, the material of estimated color is sprayed, can not need to change printing head realization colour print during printing；Meanwhile rotary screw is driven using motor, the material colour mixture mixed is more uniform；It is additionally heated using annular-heating stick to printing head, is uniformly heated printing head.It can not need to change printing head realization colour print according to demand.

Description

A kind of print head of hybrid colored 3D printer
Technical field
The invention belongs to 3D printing technique field, in particular to a kind of print head of 3D printer.
Background technique
With 3D printing technique fast development and it is universal, melt formula 3D printing technique (FDM) with its forming cost it is low and The advantages that easy to operate, is widely used in all trades and professions, but the melting molding color of formula 3D printing technique is single, very Difficulty meets the growth requirement of industry, how to effectively realize colored 3D printing, and print head is very critical issue.Currently, melting Formula 3D printing (FDM) usually uses solid color material and is printed, and then realizes colorful model by later period dyeing.Melting Formula 3D printing (FDM) also has the color printing of more spray heads, but there are lag issues in colour mixture, cause colour mixture uneven It is even, it falls flat.
Summary of the invention
In view of the above problems, the present invention provides a kind of print head of hybrid colored 3D printer, does not need print procedure In by conversion materials realize colour print.
To achieve the above object, the present invention uses following technological means:
A kind of print head of hybrid colored 3D printer, comprising: motor, spray head end cap and sprayer body, the motor Setting is covered in nozzle end, and spray head end cap is connect with sprayer body surrounds material mixing chamber, and nozzle end covers setting, and there are three be used for The feed opening of red green blue tricolor material is connected, sprayer body is provided with discharge hole, and feed opening, discharge hole connect with material mixing chamber It is logical；Rotary screw is connected on the output shaft of the motor, rotary screw is located in material mixing chamber；The sprayer body On be provided with heating device and temperature-detecting device.
The heating device be annular-heating stick, annular-heating stick by firm banking be embedded in sprayer body be used for Entire printing head heating.
The firm banking is fixed by screws on sprayer body.
The annular-heating stick is to have annular club shaped structure jaggy, and annular-heating stick covers outside sprayer body.
The temperature-detecting device is temperature sensor, and temperature sensor is arranged in sprayer body for detecting print head Temperature.
There are gaps for the material mixing chamber outlet end of the rotary screw and sprayer body, the extrusion for mixing material.
The material mixing chamber is funnel-form, and rotary screw is arranged at material mixing chamber center.
Compared with prior art, the invention has the following advantages that
The present invention is provided with the feed opening of the feed system of the material of connection red green blue tricolor, and mixed by heating stirring It closes, realizes the allotment of color mix material.Using red green blue tricolor color mixing method, material is supplied according to different proportion to printing head Material sprays the material of estimated color, can not need to change printing head realization colour print during printing；Meanwhile Rotary screw is driven using motor, the material colour mixture mixed is more uniform；Additionally beaten using annular-heating stick Spray head heating is printed, printing head is uniformly heated.The print head can not need to change printing head realization coloured silk according to demand Color printing, realizes colour print, and colour mixture is very uniform, and heating is also very uniform.
Detailed description of the invention
Fig. 1 is whole schematic front view of the invention.
Fig. 2 is whole schematic top plan view of the invention.
Fig. 3 is the A-A schematic cross-sectional view of overall top view of the invention.
Fig. 4 is annular-heating stick schematic three dimensional views of the invention.
Wherein, 1, motor, 2, spray head end cap, 3, annular-heating stick, 4, fastening screw, 5, temperature sensor, 6, sprayer body, 7, firm banking, 8, rotary screw.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
As shown in Figures 1 to 4, a kind of print head of hybrid colored 3D printer, comprising: motor 1,2 and of spray head end cap Sprayer body 6, the motor 1 are arranged on spray head end cap 2, and spray head end cap 2 is connect with sprayer body 6 surrounds material mixing chamber, spray It is arranged on head end cover 2 there are three the feed opening for connecting red green blue tricolor material, sprayer body 6 is provided with discharge hole, feeds Hole, discharge hole are connected to material mixing chamber；Rotary screw 8 is connected on the output shaft of the motor 1, rotary screw 8 is sat It falls in material mixing chamber；Heating device and temperature-detecting device are provided on the sprayer body 6.
Preferably, it is evenly heated to realize, heating device is annular-heating stick 3, and annular-heating stick 3 passes through firm banking 7 are embedded in sprayer body 6 for heating to entire printing head.Firm banking 7 is fixed by screws on sprayer body 6.Annular Heating rod 3 is to have annular club shaped structure jaggy, and 3 sets of annular-heating stick outside sprayer body 6.
Preferably, temperature-detecting device is temperature sensor 5, and temperature sensor 5 is arranged in sprayer body 6 to be beaten for detecting Print the temperature of head.
There are gaps for the material mixing chamber outlet end of rotary screw 8 and sprayer body 6, the extrusion for mixing material.Rotation For screw rod 8 while mixing material, the material mixed enters lower portion by screw flight, and then enters discharge port.
In order to realize uniformly mixed and natural blanking, material mixing chamber is funnel-form, and the setting of rotary screw 8 is mixed in material Chamber center.
Embodiment
A kind of print head of hybrid colored 3D printer, specific structure are described below:
Fig. 1 and Fig. 2 is the main view and top view of print head respectively, and Fig. 3 is the schematic cross-sectional view of the A-A of Fig. 2.
In Fig. 1, motor 1 is fixed by screws on spray head end cap 2, and spray head end cap 2 is fixed by screws in sprayer body 6 On；
In Fig. 2, there are three feed opening, the feed systems of the material for connecting red green blue tricolor on spray head end cap 2； Three feed openings are connected to the material mixing chamber of sprayer body 6.
In Fig. 3, annular-heating stick 3 is fixed in sprayer body 6 by firm banking 7, for adding to entire printing head Heat, firm banking 7 are fixed on sprayer body 6 by soket head cap screw；Temperature sensor 5 is fixed on spray head by fastening screw 4 In body 6, for detecting the temperature of spray head, temperature feedback is provided to 3D printer；Rotary screw 8 is fixed on 1 output shaft of motor, Rotary screw 8 is located in the material mixing chamber of sprayer body 6, has certain interval with the material mixing chamber outlet end of sprayer body 6, side Just material squeezes out.
As shown in figure 4, being 3 schematic three dimensional views of annular-heating stick, annular-heating stick 3 is to have the rodlike knot of annular jaggy Structure.
The present invention utilizes red green blue tricolor color mixing method, to printing head according to different proportion supplying material, sprays pre- The material of the color of meter can not need to change printing head realization colour print during printing；Meanwhile utilizing motor band Dynamic rotary screw, the material colour mixture mixed is more uniform；Additionally heated using annular-heating stick to printing head, It is uniformly heated printing head.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that A specific embodiment of the invention is only limitted to this, for those of ordinary skill in the art to which the present invention belongs, not every Under the premise of from present inventive concept, several simple deduction or replace can also be made, all shall be regarded as belonging to the present invention by institute Claims of submission determine scope of patent protection.

Claims (7)

1. a kind of print head of hybrid colored 3D printer characterized by comprising motor (1), spray head end cap (2) and spray Head body (6), the motor (1) be arranged on spray head end cap (2), spray head end cap (2) connect with sprayer body (6) surround material mix Chamber is closed, there are three the feed openings for connecting red green blue tricolor material, sprayer body (6) to be provided with for setting on spray head end cap (2) Discharge hole, feed opening, discharge hole are connected to material mixing chamber；Rotary screw is connected on the output shaft of the motor (1) (8), rotary screw (8) is located in material mixing chamber；Heating device and temperature detection dress are provided on the sprayer body (6) It sets.
2. the print head of hybrid colored 3D printer according to claim 1, which is characterized in that the heating device For annular-heating stick (3), annular-heating stick (3) is embedded in sprayer body (6) by firm banking (7) for entire printing spray Head heating.
3. the print head of hybrid colored 3D printer according to claim 2, which is characterized in that the firm banking (7) it is fixed by screws on sprayer body (6).
4. the print head of hybrid colored 3D printer according to claim 2, which is characterized in that the annular-heating Stick (3) is to have annular club shaped structure jaggy, and annular-heating stick (3) covers external in sprayer body (6).
5. the print head of hybrid colored 3D printer according to claim 1, which is characterized in that the temperature detection Device is temperature sensor (5), and the temperature for detecting print head is arranged in sprayer body (6) in temperature sensor (5).
6. the print head of hybrid colored 3D printer according to claim 5, which is characterized in that the rotary screw (8) there are gaps with the material mixing chamber outlet end of sprayer body (6), the extrusion for mixing material.
7. the print head of hybrid colored 3D printer according to claim 1, which is characterized in that the material mixing Chamber is funnel-form, and rotary screw (8) is arranged at material mixing chamber center.
CN201811456857.9A 2018-11-30 2018-11-30 A kind of print head of hybrid colored 3D printer Pending CN109352990A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811456857.9A CN109352990A (en) 2018-11-30 2018-11-30 A kind of print head of hybrid colored 3D printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811456857.9A CN109352990A (en) 2018-11-30 2018-11-30 A kind of print head of hybrid colored 3D printer

Publications (1)

Publication Number Publication Date
CN109352990A true CN109352990A (en) 2019-02-19

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110861303A (en) * 2019-11-27 2020-03-06 常州机电职业技术学院 Active-passive mixed 3D printing nozzle

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105415690A (en) * 2015-11-12 2016-03-23 郑州科技学院 Spray head for full-color three-dimensional printer and printing method
CN206520239U (en) * 2016-12-13 2017-09-26 广州中国科学院先进技术研究所 A kind of new 3D printing head
CN107932908A (en) * 2017-12-06 2018-04-20 长沙远达华信息科技有限公司 Colored 3D printer nozzle
CN209141443U (en) * 2018-11-30 2019-07-23 陕西理工大学 A kind of print head of hybrid colored 3D printer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105415690A (en) * 2015-11-12 2016-03-23 郑州科技学院 Spray head for full-color three-dimensional printer and printing method
CN206520239U (en) * 2016-12-13 2017-09-26 广州中国科学院先进技术研究所 A kind of new 3D printing head
CN107932908A (en) * 2017-12-06 2018-04-20 长沙远达华信息科技有限公司 Colored 3D printer nozzle
CN209141443U (en) * 2018-11-30 2019-07-23 陕西理工大学 A kind of print head of hybrid colored 3D printer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110861303A (en) * 2019-11-27 2020-03-06 常州机电职业技术学院 Active-passive mixed 3D printing nozzle

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