CN206983265U

CN206983265U - A kind of 3D printer rotary nozzle

Info

Publication number: CN206983265U
Application number: CN201720569385.2U
Authority: CN
Inventors: 武鹏飞
Original assignee: Sichuan College of Architectural Technology
Current assignee: Sichuan College of Architectural Technology
Priority date: 2017-05-22
Filing date: 2017-05-22
Publication date: 2018-02-09
Anticipated expiration: 2027-05-22

Abstract

The utility model discloses a kind of 3D printer rotary nozzle, and it includes connecting plate, rotating mechanism and printing body；The rotating mechanism and printing body are both connected on connecting plate, and connecting plate is connected with Support for impression mechanism；The rotating mechanism includes supporting plate, motor and rotating shaft；The supporting plate is fixedly connected on connecting plate, supports motor；The motor is connected with supporting plate, and is connected by rotating shaft with printing body；The printing body is connected by guide wire apparatus with connecting plate, and is rotated in the presence of motor relative to guide wire apparatus；By the way that rotating mechanism and the export agency of printing silk material are rationally designed, solve and fractureed because printing head rotation easily causes printing silk material, so as to influence the work of the normal print of printer, its is simple in construction, the turn of the printer head using silk material printing is realized, printing effect is improved, ensure that the print quality of printed product model, using with it is inconvenient for operation, there is good use value.

Description

A kind of 3D printer rotary nozzle

Technical field

3D printing equipment technical field is the utility model is related to, particularly a kind of 3D printer rotary nozzle.

Background technology

3D printing technique is a kind of rapid prototyping ＆ manufacturing technology fast-developing in recent years, and it is using computer technology as base Plinth, by the way that software hierarchy is discrete and numerical control molding system, using modes such as high energy laser beam, hot melt nozzles by metal, ceramic powder The materials such as end, plastics and cell tissue successively accumulate the manufacture method of molding bonded.At present, in 3D printing technique field The most widely used to be known as Deformation In The Fdm Process, i.e. FDM modes, thermal plastic high polymer wire rod is mainly transported to by it High temperature print head, by wire rod melt and continuously extrusion melt macromolecule, and under being accurately positioned by way of successively accumulating Three-dimensional body is built on printing machine base.

At present, with the continuous development of 3D printer, requirement of the baroque printer model to rotary nozzle is increasingly Height, therefore there is diversified rotation spray structure, the comprehensive printing of printer head is realized, optimizes 3D printing, But for the 3D printing shower nozzle of FDM formulas, because its silk material is curable type material before heating and melting is entered, if shower nozzle rotates, hold Fractureing for printing silk material is easily caused, so as to influence the normal work of big printer, is made troubles to printing, the 3D printing of FDM formulas Machine printing effect is low.

Utility model content

Goal of the invention of the present utility model is：For above-mentioned problem, there is provided a kind of 3D printer rotary nozzle, By the way that rotating mechanism and the export agency of printing silk material are rationally designed, solve because printing head rotation easily causes printing Silk material fractures, and so as to influence the work of the normal print of printer, its is simple in construction, realizes and is sprayed using the printer of silk material printing The turn of head, improves the printing effect of the type printer, ensure that the print quality of printed product model, use and operate Inconvenience, there is good use value.

The technical solution adopted in the utility model is as follows：

A kind of 3D printer rotary nozzle of the present utility model, it includes connecting plate, rotating mechanism and printing body；It is described Rotating mechanism and printing body are both connected on connecting plate, and connecting plate is connected with Support for impression mechanism；The rotating mechanism includes support Plate, motor and rotating shaft；The supporting plate is fixedly connected on connecting plate, supports motor；The motor and branch Fagging connects, and is connected by rotating shaft with printing body；The printing body is connected by guide wire apparatus with connecting plate, and is being driven Rotated in the presence of dynamic motor relative to guide wire apparatus.

Due to using said structure, the setting of guide wire apparatus, avoiding printing silk material when printing body and rotating due to silk Material is connected with the rotation of body with printing body and constantly bends the phenomenon for silk material occur and fractureing, so as to cause printer can not Normal print；The utility model realizes the rotation of printer head, moreover it is possible to protect by the way that guide wire apparatus and rotating mechanism are coordinated Card printed material is not broken, and so as to continuously melt to print the threedimensional model of needs, its is simple in construction, low manufacture cost, It is practical.

3D printer rotary nozzle of the present utility model, the guide wire apparatus include guidewire body and guidewire lumen；It is described to lead Guidewire lumen is provided with silk body, guidewire lumen runs through guidewire body, passed through for printing silk material；The lower surface of the guidewire body is Curved end, and installed with printing body fits.

Further, the guidewire lumen is made up of cylindrical hole and arc opening, and cylindrical hole and arc opening are into up-down structure.

Further, the arc opening is sector open, and the central angle corresponding to its arc length is 0 ° -180 °.

Due to being connected using said structure, printing silk material through guidewire lumen with printing body, the installation knot of silk material ensure that Structure, total is compact to design, and installing space accounting is small, and guidewire body lower end is curved end, and the end face is matched somebody with somebody with printing body Close, printing body rotates along curved end, not only ensure that the movement locus of printing body, moreover it is possible to so that printing silk material is in arc Freely rotated in shape opening, avoid silk material from causing it to fracture because printing body interlocks with guidewire body relative position, central angle Setting be that silk material can be with the scope of printing body movement, printing head rotate in the range of the angle and also achieve 180 ° of slewing area, printing demand is met, its smart structural design, feature is good.

3D printer rotary nozzle of the present utility model, the printing body include nozzle boss, shower nozzle and heat abstractor；Institute Heat abstractor is stated between nozzle boss and shower nozzle；The printing seat and rotating shaft key connection, rotating shaft are stretched into through printing base and led In the link slot being correspondingly arranged on silk body outer wall；Guidewire port is equipped with the nozzle boss and heat abstractor, guidewire port is with leading Silk chamber insertion.

Further, the guidewire port lower end of the heat abstractor is provided with internal thread, and shower nozzle upper end is provided with matches somebody with somebody with the internal thread The external screw thread of conjunction so that heat abstractor is formed with shower nozzle and is threadedly coupled.

Due to using said structure, by setting nozzle boss to be connected with rotating mechanism, nozzle boss is by heater and shower nozzle Connection so that rotating mechanism integrally can drive injector heating arrangement to be rotated, and heater rotates guarantee silk simultaneously with shower nozzle Material directly can spray progress model from shower nozzle after melting and pile up, and rotating shaft coordinates through nozzle boss and the groove on guide wire apparatus, and It can be rotated in groove, groove limits the position skew of rotating shaft, so as to further ensure that the overall rotation of printing body Track, ensure the quality of printer model and the stability of structure.

3D printer rotary nozzle of the present utility model, the guidewire body outer wall are provided with radiating block；The rotating machine Structure is provided with two groups, is symmetricly set on the both sides of printing body, and be connected by rotating shaft with printing body；On the inside of the supporting plate Heat abstractor is additionally provided with above wall.

Further, the guidewire body is connected by engaging lug with connecting plate.

Due to linking up using said structure, radiating block and heat abstractor and ensure that the utility model printing head at work Radiating effect.

In summary, by adopting the above-described technical solution, the beneficial effects of the utility model are：

1st, 3D printer rotating nozzle structure of the present utility model is simple, realizes turning for 180 ° of FDM formula 3D printings shower nozzle It is dynamic；

2nd, by setting guide wire apparatus, avoid printing head silk material when rotating and easily bend, fracture, ensure that printing The continuity of work, avoid the waste of material；

3rd, coordinated by nozzle boss and rotating mechanism transfer axis connection, rotating shaft with guide wire apparatus, respective outer side edges are good, printing The stability of shower nozzle overall structure and shower nozzle in rotation process is good；

4th, using 3D printer rotary nozzle of the present utility model, printing effect can be effectively improved, is realized to structure The printing of more complicated model；

5th, 3D printer rotary nozzle practicality of the present utility model is good, has good use value.

Brief description of the drawings

Fig. 1 is the structure diagram of 3D printer rotary nozzle of the present utility model；

Fig. 2 is 3D printer rotary nozzle side view；

Fig. 3 is the sectional view of 3D printer rotary nozzle；

Marked in figure：1- connecting plates, 2- rotating mechanisms, 21- supporting plates, 22- motors, 23- rotating shafts, 3- printing notes Body, 31- nozzle bosses, 32- shower nozzles, 33- heaters, 4- guide wire apparatus, 41- cylindrical holes, 42- arc openings, 5- engaging lugs, 6- Heat abstractor, 7- bolts.

Embodiment

Below in conjunction with the accompanying drawings, the utility model is described in detail.

In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining The utility model, it is not used to limit the utility model.

As shown in figure 1, a kind of 3D printer rotary nozzle 32, it includes connecting plate 1, rotating mechanism 2 and printing body 3； Rotating mechanism 2 and printing body 3 are both connected on connecting plate 1, and connecting plate 1 is connected with Support for impression mechanism；Rotating mechanism 2 includes support Plate 21, motor 22 and rotating shaft 23；Supporting plate 21 is fixedly connected on connecting plate 1, supports motor 22；Motor 22 It is connected with supporting plate 21, and is connected by rotating shaft 23 with printing body 3；Printing body 3 is connected by guide wire apparatus 4 and connecting plate 1 Connect, and rotated in the presence of motor 22 relative to guide wire apparatus 4.Guide wire apparatus 4 includes guidewire body and guidewire lumen；Seal wire Guidewire lumen is provided with body, guidewire lumen runs through guidewire body, passed through for printing silk material；The lower surface of guidewire body is arc tips Face, and coordinate with printing body 3 and install.As described in Figure 2, said structure installation rotating mechanism part between and guide wire apparatus with Connected between connecting plate by bolt 7.As shown in figure 3, guidewire lumen is made up of cylindrical hole 41 and arc opening 42, cylindrical hole 41 With arc opening 42 into up-down structure.Arc opening 42 is sector open, and the central angle corresponding to its arc length is 0 ° -180 °.Beat Printed books body 3 includes nozzle boss 31, shower nozzle 32 and heater 33；Heater 33 is between nozzle boss 31 and shower nozzle 32；Beat Block and the key connection of rotating shaft 23, rotating shaft 23 are stretched on guidewire body outer wall in the link slot being correspondingly arranged through printing base；Spray Guidewire port is equipped with headstock 31 and heater 33, guidewire port penetrates with guidewire lumen.The guidewire port lower end of heater 33 is set There is internal thread, the upper end of shower nozzle 32 is provided with the external screw thread with the screw-internal thread fit so that heater 33 forms screw thread with shower nozzle 32 Connection.Guidewire body outer wall is provided with radiating block；Rotating mechanism 2 is provided with two groups, is symmetricly set on the both sides of printing body 3, and It is connected by rotating shaft 23 with printing body 3；Heat abstractor 6 is additionally provided with above the madial wall of supporting plate 21.Guidewire body passes through company Lug 5 is connected with connecting plate 1.

Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model Protection domain within.

Claims

A kind of 1. 3D printer rotary nozzle（32）, it is characterised in that：It includes connecting plate（1）, rotating mechanism（2）And printing note Body（3）；The rotating mechanism（2）With printing body（3）It is both connected to connecting plate（1）On, connecting plate（1）Connect with Support for impression mechanism Connect；The rotating mechanism（2）Including supporting plate（21）, motor（22）And rotating shaft（23）；The supporting plate（21）It is fixed to connect It is connected on connecting plate（1）On, support motor（22）；The motor（22）With supporting plate（21）Connection, and pass through rotating shaft （23）With printing body（3）Connection；The printing body（3）Pass through guide wire apparatus（4）With connecting plate（1）Connection, and driving Motor（22）In the presence of relative guide wire apparatus（4）Rotate.
2. 3D printer rotary nozzle according to claim 1（32）, it is characterised in that：The guide wire apparatus（4）Including Guidewire body and guidewire lumen；Guidewire lumen is provided with the guidewire body, guidewire lumen runs through guidewire body, worn for printing silk material Cross；The lower surface of the guidewire body is curved end, and with printing body（3）Coordinate installation.
3. 3D printer rotary nozzle according to claim 2（32）, it is characterised in that：The guidewire lumen is by cylindrical hole （41）And arc opening（42）Composition, cylindrical hole（41）And arc opening（42）Into up-down structure.
4. 3D printer rotary nozzle according to claim 3（32）, it is characterised in that：The arc opening（42）For fan Shape opening, the central angle corresponding to its arc length are 0 ° -180 °.
5. the 3D printer rotary nozzle according to Claims 2 or 3 or 4（32）, it is characterised in that：The printing body （3）Including nozzle boss（31）, shower nozzle（32）And heater（33）；The heater（33）Positioned at nozzle boss（31）And shower nozzle （32）Between；The printing seat and rotating shaft（23）Key connection, rotating shaft（23）It is right on guidewire body outer wall to be stretched into through printing base In the link slot that should be set；The nozzle boss（31）And heater（33）On be equipped with guidewire port, guidewire port is passed through with guidewire lumen It is logical.
6. 3D printer rotary nozzle according to claim 5（32）, it is characterised in that：The heater（33）Lead Silk mouth lower end is provided with internal thread, shower nozzle（32）Upper end is provided with the external screw thread with the screw-internal thread fit so that heater（33）With Shower nozzle（32）Form threaded connection.
7. the 3D printer rotary nozzle according to Claims 2 or 3 or 4 or 6（32）, it is characterised in that：The seal wire sheet External wall is provided with radiating block；The rotating mechanism（2）Provided with two groups, printing body is symmetricly set on（3）Both sides, it is and logical Cross rotating shaft（23）With printing body（3）Connection；The supporting plate（21）Heat abstractor is additionally provided with above madial wall（6）.
8. 3D printer rotary nozzle according to claim 7（32）, it is characterised in that：The guidewire body passes through connection Ear（5）With connecting plate（1）Connection.