CN110193928A - A kind of 4D print system based on spherical coordinate system - Google Patents
A kind of 4D print system based on spherical coordinate system Download PDFInfo
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- CN110193928A CN110193928A CN201910438249.3A CN201910438249A CN110193928A CN 110193928 A CN110193928 A CN 110193928A CN 201910438249 A CN201910438249 A CN 201910438249A CN 110193928 A CN110193928 A CN 110193928A
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- nozzle
- horizontal drive
- screw
- driving mechanism
- printout
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Classifications
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- 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
- B29C64/112—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
-
- 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
- B29C64/227—Driving means
-
- 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
- B33Y10/00—Processes of additive manufacturing
-
- 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
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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)
- Ink Jet (AREA)
Abstract
A kind of 4D print system based on spherical coordinate system, including pedestal, vertical bar, transverse slat, floor, by printout, workbench, nozzle further includes spray head steering mechanism, horizontal drive mechanism, cross bar steering mechanism and upright driving mechanism；Nozzle steering mechanism is used to change the direction of nozzle, horizontal drive mechanism is used to control nozzle in workbench diametrical direction and by the lateral dimension size of printout, cross bar steering mechanism is used to adjust the angle between horizontal drive mechanism and upright driving mechanism, the height between nozzle and workbench is adjusted, upright driving mechanism is used to that horizontal drive mechanism is made to move up and down movement and the rotational motion around vertical direction along the vertical direction.The invention can allow nozzle vertical with by the holding of printout surface always, make printer nozzle in layer-by-layer printing spray the distance between material lines formed thereby to remain unchanged, make to keep uniformity by the solidification degree between the printed material of the inside of printout, improves printing intensity and precision.
Description
Technical field
The invention belongs to 3D printing technique fields, and in particular to a kind of 4D print system based on spherical coordinate system.
Background technique
Currently, the work structuring of traditional 3D printer is mostly the orthogonal type structure in three-dimensional space, plane point is mostly used
The mode of layer printing shaping realizes the entirely machine-shaping by printout, but due to the nozzle of traditional 3D printer along X-axis,
Y-axis and the movement on three directions of Z axis are the moving movement pair that cascaded structure connect, thus tradition 3D printer by printout
In the print procedure of printing shaping, nozzle relative to the displacement error of three reference axis be it is directly cumulative, i.e., nozzle is opposite
Will be bigger than the error on single direction in total location error of coordinate origin, it directly affects by the printing essence of printout
Degree and surface roughness.
Meanwhile during file printing is molding, the nozzle of traditional 3D printer and the angle of base plane are always
90 degree, the print structure is although simple and practical, but there is no the variations in nozzle print direction when considering that curved-surface materials shape to ask
Topic, i.e. printed material are during layer-by-layer printing forms curved surface, due to remaining vertical between spray head and base plane, nozzle
Spraying the distance between material lines formed thereby in layer-by-layer printing can change, and can make by glutinous between printout internal material
There is unevenness and homogenizes in conjunction, make by between printout internal material degrees of fusion reduce, reduce printer printing precision and by
The quality of printout, especially when molding has suspention, the isostructural part of cantilever, it usually needs addition support construction, it is special
Be not that cannot carry out printing shaping fully according to fiber orientation in shaping fiber enhanced type composite material, this undoubtedly will lead to by
The local accuracy of printout is inconsistent, so that will greatly affect intensity of the workpiece on anticipation direction.
In addition, the print form of traditional 3D printer is driven in three-dimensional space just by the servo motor of three independent controls
The ball-screw of friendship make ball-screw seat along the axis direction of ball-screw translational motion and realize nozzle 3 D-printing fortune
Dynamic, main mechanical structure is three mutually orthogonal vertical ball-screw auxiliary structures, therefore traditional 3D printer only has
Three one-movement-freedom-degrees along reference axis lack the rotary freedom on three change in coordinate axis direction, so that limiting tradition
The printing precision and application range of 3D printer.
Summary of the invention
To solve the above problems, the present invention provides a kind of 4D print system based on spherical coordinate system, which beats
(the 4D printing: printing intellectual material that print system is not based on printed material type to distinguish；5D printing: biomaterial and work
Sexual organ reconstruction), but the 4D print system defined according to the mechanical freedom in three-dimensional space, there is 2, space independence
One-movement-freedom-degree and 2 independent rotational freedoms.
A kind of 4D print system based on spherical coordinate system, including pedestal, vertical bar, transverse slat, floor, by printout, workbench,
Nozzle, all parts of the base supports 4D print system further include spray head steering mechanism, horizontal drive mechanism, cross bar steering
Mechanism and upright driving mechanism；One end of spray head steering mechanism and one end of horizontal drive mechanism connect, horizontal drive mechanism with
It is connected between upright driving mechanism by cross bar steering mechanism, upright driving mechanism is mounted on transverse slat；Nozzle steering mechanism is used to
The direction for changing nozzle makes nozzle always and by 90 degree of surface angle of printout, and horizontal drive mechanism is used to control nozzle
In workbench diametrical direction and by the lateral dimension size of printout, cross bar steering mechanism is used to adjust horizontal drive mechanism
Angle between upright driving mechanism, adjusts the height between nozzle and workbench, and upright driving mechanism is used to make horizontal drive
Mechanism moves up and down movement and the rotational motion around vertical direction along the vertical direction.
Further, spray head steering mechanism includes rotation section, and rotation section is connected with nozzle.
Further, horizontal drive mechanism includes extension bar a and rocking bar, and extension bar a does straight line along rocking bar axis direction
Movement.
Further, cross bar steering mechanism includes extension bar b, and the one end extension bar b is connected with rocking bar, the other end and vertical drive
Motivation structure is connected.
Further, upright driving mechanism includes receiver, sleeve, fastening screw a, connecting plate, servo motor a, internal tooth
Wheel, sun gear, shaft coupling, ball-screw seat, ball-screw, screw rod terminal guide seat, planetary gear, servo motor b, fastening
Screw b, coupling key, pinion frame, internal tooth wheel carrier, upright driving mechanism are fixed on transverse slat by fastening screw a, servo
Motor b is connect by shaft coupling and coupling key with ball-screw, and servo motor b drives ball screw turns, ball-screw
Rotation drives ball-screw seat mobile, and ball-screw seat drives extension bar b to descend translational motion, servo motor a in the vertical direction
Rotation drive sleeve rotational motion in central axial direction after one group of planetary gear speed-reduction increases square.
Beneficial effects of the present invention
(1) the 4D print system proposes a kind of mechanical knot for being totally different from traditional 3D printing system based on spherical coordinate system
Structure has overturned the vertical mechanical structure of traditional three axis of 3D printing cubes, and can complete all printings of traditional 3D printer
Function；
(2) it is simpler directly, exquisite compact and flexible to compare traditional 3D printing system for the structure of the 4D print system
Precisely, and the main component of the 4D print system (movement mechanism of nozzle in three dimensions) can disassemble and be mounted on one
Have inside type chamber and larger hole a bit and printed, completes the printing work of the impossible interior of articles of traditional 3D printer
Make；
(3) top of extension bar a is equipped with rotatable nozzle in the 4D print system, the printed material for enabling nozzle to spray
According to the angle adjusted at any time by the surface curvature of printout between nozzle and horizontal plane, nozzle always can with by printout surface
It keeps vertical, so that printer nozzle in layer-by-layer printing is sprayed the distance between material lines formed thereby and remain unchanged, make to be beaten
Solidification degree between the printed material of the inside of printed document keeps uniformity, improves by all directions when printer final molding
Intensity and printing precision.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram one of the 4D print system based on spherical coordinate system of the present invention；
Fig. 2 is a kind of structural schematic diagram two of the 4D print system based on spherical coordinate system of the present invention；
Fig. 3 is the structural representation in a kind of 4D print system based on spherical coordinate system of the present invention inside upright driving mechanism
Figure；
In attached drawing, 1- pedestal, 2- nozzle, the rotation section 3- extension bar a, 4-, 5- vertical bar, 6- transverse slat, 7- receiver, 8- set
Cylinder, 9- floor, 10- extension bar b, 11- rocking bar, 12- is by printout, 13- workbench, 14- fastening screw a, 15- connecting plate, 16-
Servo motor a, 17- internal gear, 18- sun gear, 19- shaft coupling, 20- ball-screw seat, 21- ball-screw, 22- lead screw end
Portion's guide holder, 23- planetary gear, 24- servo motor b, 25- fastening screw b, 26- coupling key, 27- pinion frame, 28-
Inner gear spline.
Specific embodiment
Technical scheme of the present invention will be described in further detail for 1-3 and specific embodiment with reference to the accompanying drawing:
A kind of 4D print system based on spherical coordinate system, including pedestal 1, vertical bar 5, transverse slat 6, floor 9, by printout 12,
Workbench 13, nozzle 2, pedestal 1 support all parts of the 4D print system, further include spray head steering mechanism, horizontal drive machine
Structure, cross bar steering mechanism and upright driving mechanism；One end of spray head steering mechanism and one end of horizontal drive mechanism connect, horizontal
It is connected between driving mechanism and upright driving mechanism by cross bar steering mechanism, upright driving mechanism is mounted on the transverse slat 6；Spray
Mouth steering mechanism is used to change the direction of nozzle 2, makes nozzle 2 always and by 90 degree of surface angle of printout 12, and level is driven
Motivation structure is used to control nozzle 2 in 13 diametrical direction of workbench and by the lateral dimension size of printout 12, cross bar
Steering mechanism is used to adjust the angle between horizontal drive mechanism and upright driving mechanism, adjusts between nozzle 2 and workbench 13
Highly, upright driving mechanism is used to that horizontal drive mechanism is made to move up and down movement and the rotation around vertical direction along the vertical direction
Movement.
Spray head steering mechanism includes rotation section 4, and rotation section 4 is connected with nozzle 2.
Horizontal drive mechanism includes extension bar a3 and rocking bar 11, and extension bar a3 does straight line fortune along 11 axis direction of rocking bar
It is dynamic.
Cross bar steering mechanism includes extension bar b10, and the one end extension bar b10 is connected with rocking bar 11, the other end and vertical driving
Mechanism is connected.
Upright driving mechanism includes receiver 7, sleeve 8, fastening screw a14, connecting plate 15, servo motor a16, internal gear
17, sun gear 18, shaft coupling 19, ball-screw seat 20, ball-screw 21, screw rod terminal guide seat 22, planetary gear 23, watch
Motor b24, fastening screw b25, coupling key 26, pinion frame 27, inner gear spline 28 are taken, upright driving mechanism passes through tight
Gu screw a14 is fixed on transverse slat 6, servo motor b24 is connect by shaft coupling 19 and coupling key 24 with ball-screw 21, is watched
It takes motor b24 driving ball-screw 21 to rotate, the rotation of ball-screw 21 drives ball-screw seat 20 mobile, the ball-screw
Seat 20 drives the extension bar b10 to descend translational motion in the vertical direction, and the servo motor a16 rotation is through one group of planetary gear
23 decelerations increase the rotational motion in central axial direction of drive sleeve 8 after square.
During printing is by printout, it is perpendicular on 8 axis direction of sleeve that upright driving mechanism is used to control nozzle 2
Straight moving movement and the rotary motion on 8 axis direction of sleeve, moving movement and rotary motion are respectively by servo electricity
Machine b24 and servo motor a16 driving；
It is connected between horizontal drive mechanism and upright driving mechanism by cross bar steering mechanism, wherein cross bar steering mechanism is used to
The corner dimension between extension bar a3 and 8 axis of sleeve is controlled, the height between nozzle 2 and workbench 13 is adjusted；
Servo motor driving extension bar a3 in rocking bar 11 is moved in a straight line along 11 axis direction of rocking bar, to be used to control
Nozzle 2 processed in 13 diametrical direction of workbench by the lateral dimension size of printout 12；
When the rotating part 4 of nozzle steering mechanism is used to adjust extension bar a3 and 8 axis of sleeve be in different angle nozzle 2 and
Angle by 12 surface of printout is always 90 degree.
I.e. four freedom degrees are realized:
One-movement-freedom-degree in Z-direction: the servo motor b24 in sleeve 8 drives ball-screw 21 to make ball-screw seat
20 drive extension bar b10 descend translational motion in the vertical direction；
Rotational freedom in Z-direction: the motor a16 rotation in receiver 7 is slowed down through one group of planetary gear 23 increases square
The rotational motion in central axial direction of drive sleeve 8 afterwards；
One-movement-freedom-degree in X-direction: with the servo motor driving extension bar a3 inside rocking bar 11 in the direction along X-axis
Upper moving movement；
Rotational freedom in Y direction: between rocking bar 11 and extension bar b10 be a revolute, by servo motor into
Row control, makes it in certain angle, to reach the rotary motion around Y-axis.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that this is only
For example, protection scope of the present invention is to be defined by the appended claims.Those skilled in the art without departing substantially from
Under the premise of the principle and substance of the present invention, many changes and modifications may be made, but these change and
Modification each falls within protection scope of the present invention.
Claims (5)
1. a kind of 4D print system based on spherical coordinate system, using planer-type stereochemical structure, including pedestal, vertical bar, transverse slat, rib
Plate, by printout, workbench, nozzle, the pedestal is used to support and fixes all parts of the 4D print system, feature
It is, further includes spray head steering mechanism, horizontal drive mechanism, cross bar steering mechanism and upright driving mechanism；
One end of the spray head steering mechanism is connect with one end of the horizontal drive mechanism, the horizontal drive mechanism with it is described
It is connected between upright driving mechanism by the cross bar steering mechanism, the upright driving mechanism is mounted on the transverse slat；
The nozzle steering mechanism is used to change the direction of nozzle, makes nozzle always and by 90 degree of surface angle of printout,
The horizontal drive mechanism is used to control the nozzle in the workbench diametrical direction and by the lateral dimension of printout
Size, the cross bar steering mechanism are used to adjust the angle between the horizontal drive mechanism and the upright driving mechanism, adjust
The height between the nozzle and the workbench is saved, the upright driving mechanism is used to make the horizontal drive mechanism along vertical side
Move up and down movement and the rotational motion around vertical direction.
2. a kind of 4D print system based on spherical coordinate system according to claim 1, which is characterized in that the spray head turns to
Mechanism includes rotation section, and the rotation section is connected with nozzle.
3. a kind of 4D print system based on spherical coordinate system according to claim 1, which is characterized in that the horizontal drive
Mechanism includes extension bar a and rocking bar, and the extension bar a is moved in a straight line along the rocking bar axis direction.
4. a kind of 4D print system based on spherical coordinate system according to claim 3, which is characterized in that the cross bar turns to
Mechanism includes extension bar b, and the one end the extension bar b is connected with the rocking bar, and the other end is connected with the upright driving mechanism.
5. a kind of 4D print system based on spherical coordinate system according to claim 4, which is characterized in that the vertical driving
Mechanism includes receiver, sleeve, fastening screw a, connecting plate, servo motor a, internal gear, sun gear, shaft coupling, ball wire
Thick stick seat, ball-screw, screw rod terminal guide seat, planetary gear, servo motor b, fastening screw b, coupling key, planetary gear
Frame, internal tooth wheel carrier, the upright driving mechanism are fixed on transverse slat by fastening screw a, and the servo motor b passes through shaft coupling
It is connect with coupling key with ball-screw, the servo motor b drives ball screw turns, and the rotation of the ball-screw drives
Ball-screw seat is mobile, and the ball-screw seat drives the extension bar b to descend translational motion, the servo electricity in the vertical direction
Machine a rotation drive sleeve rotational motion in central axial direction after one group of planetary gear speed-reduction increases square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910438249.3A CN110193928B (en) | 2019-05-24 | 2019-05-24 | 4D printing system based on spherical coordinate system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910438249.3A CN110193928B (en) | 2019-05-24 | 2019-05-24 | 4D printing system based on spherical coordinate system |
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| CN110193928A true CN110193928A (en) | 2019-09-03 |
| CN110193928B CN110193928B (en) | 2021-06-04 |
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| CN201910438249.3A Active CN110193928B (en) | 2019-05-24 | 2019-05-24 | 4D printing system based on spherical coordinate system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110884123A (en) * | 2019-12-16 | 2020-03-17 | 安徽省春谷3D打印智能装备产业技术研究院有限公司 | Adjusting device for 3D printer |
| CN111452359A (en) * | 2020-04-09 | 2020-07-28 | 王庚祥 | Fourier transform 3D printing system based on Cartesian coordinate system |
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|---|---|
| CN110193928B (en) | 2021-06-04 |
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