CN108357090A - A kind of 3D printing equipment - Google Patents
A kind of 3D printing equipment Download PDFInfo
- Publication number
- CN108357090A CN108357090A CN201711479336.0A CN201711479336A CN108357090A CN 108357090 A CN108357090 A CN 108357090A CN 201711479336 A CN201711479336 A CN 201711479336A CN 108357090 A CN108357090 A CN 108357090A
- Authority
- CN
- China
- Prior art keywords
- silk
- equipment
- printing equipment
- print head
- sliding equipment
- 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
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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
-
- 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
-
- 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
Landscapes
- 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 present invention discloses a kind of 3D printing equipment, and the equipment includes：Nozzle, the nozzle end have a plate hole；Disk rail, the disk rail connect the first sliding equipment；First sliding equipment, first sliding equipment connect the second sliding equipment；Silk dispenses controller.The equipment further comprises the heating element in mixing chamber and mixing chamber.The equipment can realize the printing of three-dimensional round piece, and the primary driving that need to only control a motor reduces computation complexity, eliminates workpiece Roughen Edges profile.
Description
Technical field
The present invention relates to a kind of 3D printing equipment, which can print hemispherical by the shell of multiple progressive formings
Solid, the equipment belong to 3D printing field.
Background technology
3D printing is a kind of process mathematical model being manufactured as 3 D stereo object.Wherein printing is one additional
Process, in this process, by establishing continuous printable layer previous on printable layer, with " growth " this object.3D is beaten
Print is different from other moldings or manufacturing technology, these technologies may rely on filling mold or material removal, such as cuts or bore
Hole.Currently, most 3D printing equipment in the market, which is all made of cartesian coordinate system, carries out three-dimensional coordinate positioning, in printing spherical shape three
When dimension module, need to drive multiple actuators to carry out locations of contours, which increase the calculation amounts of computing platform, and it is negative to increase equipment
Lotus.Secondly current printing device mostly using cartesian coordinate due to being positioned, while nozzle setting is unreasonable, causes to print
Spherical threedimensional model more have Roughen Edges profile, cause model usually not smooth enough.
Invention content
To solve the above problems, the present invention provides a kind of 3D printing equipment, the equipment includes：Print head, printing are flat
Platform, the first sliding equipment, the second sliding equipment, first motor, the second motor, electric rotating machine；
The first motor, the second motor, electric rotating machine output end be separately connected the first sliding equipment, the second skate machine
The input terminal of structure, print platform；
The upper surface of the print platform includes disk rail, and the input terminal of the disk rail is as the print platform
Input terminal；
The print head is fixed on the first sliding equipment, and first sliding equipment and the sliding of the second sliding equipment connect
It connects, drives print head on disk rail with the second sliding equipment relative motion, the direction of the relative motion is perpendicular to disk
The radial direction of track；
Second sliding equipment can move radially on the disk rail, and then drive the print head radially
It is mobile；
The disk rail can be driven the rotation done centered on any on disk rail in horizontal plane by electric rotating machine
Movement, it is preferable that on the disk rail is some the center of circle of disk rail.
Preferably, the entrance of the print head includes multiple silk chambers, for inputting multichannel silk, the multiple silk chamber
A runner is merged into downwards in the inside of print head；The end of the print head includes nozzle, and the end of the nozzle includes
Plate hole, the plate hole form mixing chamber with runner；Each silk chamber is also configured with silk dispatching controller, for control silk into
Enter the speed of mixing chamber；The lower end of the silk chamber is additionally provided with the first heating element, for melting silk.
Preferably, the second heating element is installed at the nozzle, for heating mixed silk, second heating
Element is the film resistor for being wound in inner nozzle surface.
Preferably, silk dispatching controller includes two rotating wheels, and the direction of rotation of two rotating wheels is on the contrary, can be with
The speed that silk enters mixing chamber is controlled according to the rotary speed of rotating wheel.
Preferably, first sliding equipment is also associated with support extension arm, can be used for printhead support.
Preferably, first sliding equipment is also associated with support extension arm, can be used for printhead support.
Preferably, the flow angle in the exit of the nozzle is 75 ° -90 °.
Preferably, the vertical height of the flow angle is 10 millimeters -20 millimeters.
Preferably, the mixing chamber is ring pipe, and the inside of the ring pipe includes rabbling mechanism, the rabbling mechanism packet
Include helical blade, electric screw axis.
Advantageous effect
Compared with the relevant technologies, a kind of 3D printing equipment provided by the invention has the advantages that：
3D printing equipment provided by the invention can by disk rail rotate with the second sliding equipment move radially from
And the circular contour printing of horizontal direction is completed, then coordinate the first sliding equipment perpendicular to mobile completion three-dimensional radially
Smooth curved surface prints, such as spherical construction, wherein being made of multiple rings independently formed per layer material.By the way that disk rail is arranged
Road, disk rail connect the second sliding equipment, and the second sliding equipment connects the first sliding equipment, forms spheric coordinate system in this way,
Computer computation complexity is reduced, need to only control a motor every time can create a hemisphere with continuous boundary profile
Shape object prevents printing device from frozen plug occurring at work, prolongs by the way that the first heating element and the second heating element is arranged
The operating time of long printing device, the nozzle of print head keep nozzle easily accessible partly there are one the flow angle from 75 degree to 90 degree
Spherical object, this makes the hemisphere to be formed not have apparent step edges profile, keeps printing workpiece more smooth.Setting four simultaneously
A silk dispenses controller, controls silk speed, keeps the uniformity of material on matrix.The longitudinal length of nozzle cone part is set
It sets between 10 millimeters to 20 millimeters, prevents the condensation of material at nozzle, keep printing device stream time long, print
Model it is more smooth.
Description of the drawings
Fig. 1 is the schematic diagram that 3D printing equipment is printed by controller；
Fig. 2 is the schematic diagram that 3D printing equipment prints a hemispherical objects；
Fig. 3 is 3D printing equipment print head viewgraph of cross-section；
In figure：Print head 1, silk dispatching controller 2, the second sliding equipment 3, the first sliding equipment 4, the first heating element
5, silk chamber 6, silk 7, nozzle 8, mixing chamber 9, substrate 10, material layer 11, working face 12, motion controller 13, plate hole 14, circle
Disk track 15, the first driving motor 16, support extension arm 17, the second driving motor 18, print platform 19, circular material 20, rotation
Rotating motor 21, the second heating element 22, rabbling mechanism 23, flow angle 24.
Specific implementation mode
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the partial sectional view of 3D printing equipment, and the 3D printing equipment is by successively printing multiple continuous thin layer materials
Expect that, progressively to build a three-dimensional print object, the 3D printing equipment includes：Print head 1, the second sliding equipment 3,
One sliding equipment 4, silk dispenses controller 2, the first heating element 5, silk chamber 6, silk 7, nozzle 8, mixing chamber 9, substrate
10, material layer 11, working face 12, motion controller 13, plate hole 14, disk rail 15, the first driving motor 16, support extension arm
17, the second driving motor 18, print platform 19, circular material 20,21 print head 1 of electric rotating machine；Motion controller 13 is for controlling
Print head 1 is transferred in a scheduled workspace by the movement of print head 1 processed；Silk chamber 6, different silks 7 enter silk chamber
6 dispense controller 2 by silk is pushed further into mixing chamber, and carrying out heating by heating element 5 during propulsion melts
Melt, then reach mixing chamber 9, the rabbling mechanism 23 in mixing chamber 9 is stirred by the drive of electric screw axis, is pushed away by stirring
Into melting silk reach nozzle 8, the nozzle is provided with plate hole 14, and melted material passes through plate hole 14 and flows out printing port.
After the material leaves nozzle 8, the material of melting begins to cool and is solidified to again on substrate 10.Substrate 10 is one
A current print job surface, the cured material layer 11 that 10 lower layer of substrate is previously formed.It is applied to elder generation in melted material
In the case of the material layer 11 of preceding formation, the temperature of fused materials may cause before 11 surface local melting of material layer.This
The fusing of kind part contributes to the combination for the material layer 11 for having solidified the material of new opplication and last layer.
One 3D printing equipment of Fig. 2 schematic diagrames description prints the schematic diagram of a hemispherical objects, and the equipment is at one
In controllable spheric coordinate system.As shown, 3D printing equipment can create a hemispherical with continuous boundary profile
Object, and this there is no apparent step edges profiles.In general, spherical shape is built when the shell by multiple radially increases
Or when hemispherical objects, this printing device may be particularly useful, for example can be used for being formed the core of spherical object.
As shown in Figure 1, the 3D printing equipment includes：First sliding equipment 4, the second sliding equipment 3, print head 1, it is described
First sliding equipment 4, the second sliding equipment 3 are fixed on disk rail 15, and print head 1 is slidably connected while disk rail 15 connects
The first sliding equipment 4 is connect,.The disk rail 15 is disposed in an orbit plane orthogonal with working surface, and is had
One constant curvature radius.
Second sliding equipment 3, including multiple wheels, bearing and sleeve assembly, it can make it successfully along track
It is translated.Second sliding equipment can control the second sliding equipment to exist by 18 driving of the second motor driving, the second driving motor 18
Position on disk rail.
The connection of the first sliding equipment 4 support extension arm 17, supports printhead support 1 in turn of extension arm 17.Pass through
The relative position that the first driving motor 16 realizes control support adjutage 17 and the first sliding equipment 4 is controlled, to realize print head
Move radially.
The motion controller 13 can carry out information mutual communication with the first driving motor 16 and the second driving motor 18, pass through
Motion controller 13 can control azimuth and the radial positioning of print head 1 respectively, and motion controller 13 can be presented as one
Digital computer or data processing equipment.
Melting charge " printing " can be arrived the hemispherical substrate 19 of bottom by a kind of 3D printing equipment shown in Fig. 2, print head 1
On, it can form hemispheric material layer in print procedure, and therefore, which can print one and connect naturally
Continuous circle enormously simplifies the calculation amount generated needed for numerical control program.(the Cartesian control of the prior art must coordinate two
The driving of different actuators generates a similar circle).
As shown in Fig. 3 printing device print head viewgraph of cross-section, in print procedure, printing silk 7 is with thermoplastic threads
Form input silk chamber 6, by continuous feeding mechanism, print head can be advanced it into.Continuous feeding mechanism is main
By the rotating wheel on four feed controllers 2, rotating wheel controls charging rate by rotating.
As shown in figure 3, silk 7 enters the silk chamber 6 in print head 1, silk chamber 6 is added by first heating element 5
Heat makes Filamentous thermoplastic melt thermoplastic by heating.First heating element 5 is located at the main part of print head 1
In, thermoplastic solidifies again in nozzle 8 in order to prevent, by be arranged reheating element 22 to the material in nozzle 8 into
The processing of row reheating, second heating element are wound around in the film resistor of nozzle wall inner surface, can reduce to the greatest extent in this way
The wall thickness of nozzle.The reheating element 22 is relative to the heating element that the first heating element 5 is a lower-wattage, but energy
Enough keep silk at thermoplastic fusing point or temperatures above.
The mixing chamber 9 promotes to mix comprising a rabbling mechanism 23, and the rabbling mechanism 23 is by helical blade, spiral
Axis is constituted, and further helical axis is driven by electric rotating machine.
As shown in figure 3,8 exit tip of the nozzle is in certain taper, this angle is also referred to as flow angle 24.This gas
The angular range at angle is flowed between 75 ° to 90 °, the larger flow angle of angle is particularly suitable for being used for close to hemispherical objects, and
Between the longitudinal length of nozzle cone part is about 10 millimeters to 20 millimeters, the long condensation for being easy to cause material at nozzle.
Example the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field includes similarly in the scope of patent protection that this is invented in fact.
Claims (10)
1. a kind of 3D printing equipment, which is characterized in that including：Print head, print platform, the first sliding equipment, the second skate machine
Structure, first motor, the second motor, electric rotating machine；
The output end of the first motor connects the input terminal of the first sliding equipment, the second sliding of output end connection of the second motor
The input terminal of mechanism, the input terminal of the output end connection print platform of electric rotating machine；
The upper surface of the print platform includes disk rail, and the input terminal of the disk rail is as the defeated of the print platform
Enter end；
The print head is fixed on the first sliding equipment, and first sliding equipment is slidably connected with the second sliding equipment, band
Dynamic print head is with the second sliding equipment relative motion on disk rail, and the direction of the relative motion is perpendicular to disk rail
It is radial；
Second sliding equipment can move radially on the disk rail, and then the print head is driven radially to move
It is dynamic；
The disk rail can be driven the rotary motion done centered on any on disk rail in horizontal plane by electric rotating machine.
2. 3D printing equipment as described in claim 1, which is characterized in that the entrance of the print head includes multiple silk chambers,
For inputting multichannel silk, the multiple silk chamber merges into downwards a runner in the inside of print head；The print head
End includes nozzle, and the end of the nozzle includes plate hole, and the plate hole forms mixing chamber with runner；Each silk chamber also configures
There is silk to dispense controller, the speed of mixing chamber is entered for controlling silk；The lower end of the silk chamber is additionally provided with first and adds
Thermal element, for melting silk.
3. 3D printing equipment as claimed in claim 2, which is characterized in that be equipped with the second heating element at the nozzle, use
In heating mixed silk, second heating element is the film resistor for being wound in inner nozzle surface.
4. 3D printing equipment according to claim 2, it is characterised in that：The silk dispatching controller includes two rotations
Runner, the direction of rotation of two rotating wheels is on the contrary, the speed that silk enters mixing chamber can be controlled according to the rotary speed of rotating wheel
Degree.
5. 3D printing equipment according to claim 1, it is characterised in that：On the disk rail is some disk rail
The center of circle in road.
6. 3D printing equipment as described in claim 1, which is characterized in that first sliding equipment is also associated with support and extends
Arm can be used for printhead support.
7. 3D printing equipment as claimed in claim 1, it is characterised in that：The flow angle in the exit of the nozzle be 75 °-
90°。
8. 3D printing equipment as claimed in claim 6, it is characterised in that：The vertical height of the flow angle be 10 millimeters-
20 millimeters.
9. 3D printing equipment as claimed in claim 1, it is characterised in that：The mixing chamber is ring pipe, the ring pipe
Inside include rabbling mechanism, the rabbling mechanism includes helical blade, electric screw axis.
10. the 3D printing equipment as described in any one of claims 1-9, which is characterized in that the 3D printing equipment is available
It is printed in three-dimensional round and smooth arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711479336.0A CN108357090A (en) | 2017-12-29 | 2017-12-29 | A kind of 3D printing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711479336.0A CN108357090A (en) | 2017-12-29 | 2017-12-29 | A kind of 3D printing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108357090A true CN108357090A (en) | 2018-08-03 |
Family
ID=63010547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711479336.0A Pending CN108357090A (en) | 2017-12-29 | 2017-12-29 | A kind of 3D printing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108357090A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110171135A (en) * | 2019-06-25 | 2019-08-27 | 重庆长教科技有限公司 | A kind of 3D printing head |
| CN112412043A (en) * | 2020-11-25 | 2021-02-26 | 西安建筑科技大学 | 3D concrete printing device and method for automatic reinforcement of building |
| CN113059804A (en) * | 2021-02-19 | 2021-07-02 | 浙江工贸职业技术学院 | Multipurpose 3D printing apparatus |
| CN113677502A (en) * | 2019-02-11 | 2021-11-19 | Ppg工业俄亥俄公司 | Method of making chemically resistant seal assembly |
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| CN102371680A (en) * | 2010-08-19 | 2012-03-14 | 索尼公司 | Three-dimensional modeling apparatus, object, and method of manufacturing an object |
| US20150183161A1 (en) * | 2013-12-31 | 2015-07-02 | Nike, Inc. | 3d print head |
| CA2993343A1 (en) * | 2014-08-05 | 2016-02-11 | Laing O'rourke Australia Pty Limited | Apparatus for fabricating an object |
| CN107351379A (en) * | 2017-08-02 | 2017-11-17 | 时伟 | A kind of intelligent 3D printing shower nozzle with wireless transmission function |
-
2017
- 2017-12-29 CN CN201711479336.0A patent/CN108357090A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102371680A (en) * | 2010-08-19 | 2012-03-14 | 索尼公司 | Three-dimensional modeling apparatus, object, and method of manufacturing an object |
| US20150183161A1 (en) * | 2013-12-31 | 2015-07-02 | Nike, Inc. | 3d print head |
| CN204749271U (en) * | 2013-12-31 | 2015-11-11 | 耐克创新有限合伙公司 | 3D beats printer head |
| CA2993343A1 (en) * | 2014-08-05 | 2016-02-11 | Laing O'rourke Australia Pty Limited | Apparatus for fabricating an object |
| CN107351379A (en) * | 2017-08-02 | 2017-11-17 | 时伟 | A kind of intelligent 3D printing shower nozzle with wireless transmission function |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113677502A (en) * | 2019-02-11 | 2021-11-19 | Ppg工业俄亥俄公司 | Method of making chemically resistant seal assembly |
| CN113677502B (en) * | 2019-02-11 | 2024-04-12 | Ppg工业俄亥俄公司 | Method of making a chemically resistant seal assembly |
| CN110171135A (en) * | 2019-06-25 | 2019-08-27 | 重庆长教科技有限公司 | A kind of 3D printing head |
| CN112412043A (en) * | 2020-11-25 | 2021-02-26 | 西安建筑科技大学 | 3D concrete printing device and method for automatic reinforcement of building |
| CN113059804A (en) * | 2021-02-19 | 2021-07-02 | 浙江工贸职业技术学院 | Multipurpose 3D printing apparatus |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20180803 |