CN105415691A - Cylindrical coordinate type 3D printer capable of achieving simultaneous multi-spray-head printing - Google Patents
Cylindrical coordinate type 3D printer capable of achieving simultaneous multi-spray-head printing Download PDFInfo
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- CN105415691A CN105415691A CN201610017187.5A CN201610017187A CN105415691A CN 105415691 A CN105415691 A CN 105415691A CN 201610017187 A CN201610017187 A CN 201610017187A CN 105415691 A CN105415691 A CN 105415691A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
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Abstract
The invention relates to a cylindrical coordinate type 3D printer capable of achieving simultaneous multi-spray-head printing. The printer comprises an external gearing precision planetary gear mechanism, a telescopic cantilever beam mechanism, a Z-axis movement mechanism and a feeding mechanism. The external gearing precision planetary gear mechanism is composed of a sun gear, a planetary gear, a supporting block, a reinforcing circular ring and a disc-shaped workbench. The telescopic cantilever beam mechanism comprises a spray head, a feeding motor, a Z-axis movement block, a polar axis driving motor, a polar axis ball screw and a limiting block. The Z-axis movement mechanism comprises a Z-direction driving motor, a Z-direction movement mechanism supporting frame, a Z-direction ball screw, a planetary gear driving motor and a motor base. The feeding mechanism comprises a feeding wheel and a feeding wheel supporting frame. Polar coordinate plane printing is achieved through the external gearing precision planetary gear mechanism and the telescopic cantilever beam mechanism, and Z-direction movement is achieved through a Z-axis control mechanism, so that three-dimensional printing movement of spray heads is achieved; by means of multi-layer multi-telescopic-arm cooperation, simultaneous multi-spray-head machining is achieved.
Description
Technical field
What the present invention relates to is a kind of cylindrical coordinates formula 3D printer realizing many shower nozzles and print simultaneously, for solve current many shower nozzles 3D printer shower nozzle between easily to disturb, problem that many nozzle printings machine can only have at most a shower nozzle job simultaneously, and the problem that 3D printer print rotated class part speed is slow, precision is low at present, propose the structure of this 3D printer.
Technical background
It is the one of rapid shaping technique that 3D prints, and it is a kind of based on mathematical model file, uses powdery metal or plastics etc. can jointing material, is carried out the technology of constructed object by the mode successively printed.
Existing 3D printer can only realize single spraying head or many shower nozzles single spraying due to the design of structure, pursuing today of efficiency, it has had a strong impact on the speed that 3D prints, limit the efficiency that 3D prints, therefore can realize many shower nozzles and spray in the urgent need to a kind of the 3D printer arrangement simultaneously printed altogether, improve the print speed of 3D printer.
Existing 3D printer is general not high in printer precision, and when print track is curve, precision is just poorer, and this makes existing 3D printer be not suitable for print axis class and slewing parts, therefore fills up this blank in the urgent need to a class 3D printer.
Summary of the invention
The object of the invention is to for above-mentioned weak point, a kind of cylindrical coordinates formula 3D printer realizing many shower nozzles and print simultaneously is provided, can realize many nozzle printings, multi-color printing and improve curvilinear path time printing precision and speed, improve the printer arrangement of printer efficiency and quality.
A kind of technical scheme realizing the cylindrical coordinates formula 3D printer employing that many shower nozzles print simultaneously of the present invention is:
A kind ofly realize the cylindrical coordinates formula 3D printer that many shower nozzles print simultaneously and comprise the accurate planetary gears of external toothing, telescopic boom beam mechanism, Z axis motion, feeding machanism.
The accurate planetary gears of described external toothing is made up of central gear, planetary gear, back-up block, reinforcing annulus and discoid workbench.Described planetary gear is at least provided with two, and this example is for two printhead, therefore planetary gear has two, is respectively planetary gear A and planetary gear B.Sun gear wherein in accurate planetary gears, reinforcing annulus and discoid workbench are fixed on back-up block, and the number of back-up block is arbitrary, its quantity prioritizing selection even number, and distribution mode should be evenly distributed on the Along ent of reinforcing annulus.
In the accurate planetary gears of external toothing, planetary gear is arranged on the output shaft of the accurate planetary gears drive motors of external toothing, with central gear external toothing.Also have in the inside of the accurate planetary gears of external toothing one with the central gear in the accurate planet of external toothing be concentric, at conplane reinforcing annulus, have a discoid workbench in the inside of reinforcing annulus.Discoid workbench and to reinforce annulus, central gear concentric.
Further, in the accurate planetary gears of external toothing, sun gear and reinforcing annulus are fixed on inside the draw-in groove on the back-up block below them, and the number of back-up block is arbitrary, its quantity prioritizing selection even number, distribution mode should be evenly distributed on the Along ent of reinforcing annulus.
Described telescopic boom beam mechanism comprises shower nozzle, motor for feeding, Z moving mass, pole axis to drive motors, pole axis to ball-screw and limited block.Shower nozzle in described telescopic boom beam mechanism is at least provided with two.This example for two shower nozzle, therefore has two cover telescopic boom girder constructions, is respectively: shower nozzle A, motor for feeding A, Z-direction moving mass A, pole axis is to drive motors A, pole axis is to ball-screw A, limited block A, shower nozzle B, motor for feeding B, Z-direction moving mass B, pole axis to drive motors B, pole axis to ball-screw B, limited block B.Pole axis is driven to type of drive by ball-screw auxiliary driving, also can select reasonably mechanism's realization such as worm and gear, Timing Belt.Wherein, pole axis is fixed on above Z-direction moving mass to ball-screw and pole axis to drive motors, is installed with feed drive motors and nozzle, at its other end limited location block at pole axis to one end of ball-screw, limited block prevents can pole axially-movable overtravel, avoids bringing damage to mechanism.
Further, in telescopic boom beam mechanism, extremely axial type of drive can be chosen as the various ways such as ball-screw, worm and gear and synchronous belt drive mechanism, is chosen as ball-screw here.Pole axis is fixed on Z-direction moving mass to ball-screw and pole axis to drive motors, is provided with shower nozzle and motor for feeding, other end mounting limit block at pole axis to a section of ball-screw.
Described Z axis motion comprises Z-direction drive motors, Z-direction motion bracing frame, Z-direction ball-screw, planet gear drives motor, motor cabinet.Z axis motion is at least provided with two covers.This example is for two nozzle printing mechanism, there are two cover Z-direction motions, are respectively: Z-direction drive motors A, Z-direction motion bracing frame A, Z-direction ball-screw A, planetary gears drive motors A, motor cabinet A, Z-direction drive motors B, Z-direction motion bracing frame B, Z-direction ball-screw B, planetary gears drive motors B, motor cabinet B.Wherein, planet gear drives motor is fixed on above motor cabinet, Z axis telecontrol equipment is arranged on central gear by motor cabinet and reinforces above annulus, Z-direction type of drive is chosen as ball-screw, also the mode that toothed belt transmission etc. is feasible can be chosen as, Z-direction ball-screw is fixed on above Z-direction motion bracing frame, and Z-direction moving mass is arranged on above Z-direction ball-screw, and Z-direction drive motors is arranged on above Z-direction motion bracing frame.
Further, in Z axis motion, the transmission mechanism of Z-direction realizes by the mechanism such as ball-screw, synchronous pulley, selects ball-screw to realize the Z-direction motion of 3D printing mechanism, being fixed on Z axis motion bracing frame of ball-screw here.The lower end of Z axis motion bracing frame is provided with motor cabinet, Z axis motion is arranged on central gear by motor cabinet and reinforces above annulus, motor cabinet is provided with planetary gears drive motors, and the top of Z axis motion bracing frame is provided with Z axis motion drive motors.
Described feeding machanism comprises applicator wheel, applicator wheel bracing frame.Feeding machanism is at least provided with two covers.This example, for two nozzle printing machine, has two cover feeding machanisms, is respectively: applicator wheel A, applicator wheel bracing frame A, applicator wheel B, applicator wheel bracing frame B.Wherein, applicator wheel bracing frame is arranged on above Z-direction motion bracing frame, and applicator wheel is arranged on above applicator wheel bracing frame.
Further, feeding machanism is arranged on above Z axis motion bracing frame, and applicator wheel bracing frame is fixed on Z axis motion bracing frame, and applicator wheel is arranged on applicator wheel bracing frame.
Described a kind of cylindrical coordinates formula 3D printer realizing many shower nozzles and print simultaneously, wherein accurate planetary gears and telescopic boom beam mechanism realize polar polar angle direction with extremely axial motion respectively, jointly realize the printing campaign of polar coordinate plane; The motion of accurate planetary gears, telescopic boom beam mechanism and Z-direction motion realizes the print job of this 3D printer spatially cylindrical coordinates jointly.
Described a kind of cylindrical coordinates formula 3D printer realizing many shower nozzles and print simultaneously, the extensibility of this structure, adjust according to the actual size of central gear in planetary gears the change that planetary gear, telescopic boom beam mechanism and Z axis motion realize shower nozzle number, carry out many nozzle printings or single nozzle printing.
Described a kind of cylindrical coordinates formula 3D printer realizing many shower nozzles and print simultaneously, when applicator wheel there being the material of different colours, namely can realize multi-color printing.
The present invention is a kind of to be realized cylindrical coordinates formula 3D printer feature compared with existing 3D printer that many shower nozzles print simultaneously and is:
(1) many shower nozzles can be carried out to print simultaneously, improve printing effect
(2) extensibility, can increase planetary gear, Z axis motion and telescopic boom beam mechanism according to planetary concrete size, and then increase the number of shower nozzle.
(3) when feeding machanism provides the material of different colours time, multi-color printing can be realized.
(4) running orbit of shower nozzle spatially cylindrical coordinate computing, mechanism driving error does not accumulate, and the reference axis corresponding speed of two polar coordinate systems is fast, and printing effect is high.
(5) because adopt polar coordinates to calculate the method for track, compared with common 3D printer, the precision of the curvilinear path of the 3D printer of this structure is higher, and speed, so slewing parts such as this printing mechanism very applicable printing axis classes.
Accompanying drawing explanation
Below with reference to accompanying drawing, the invention will be further described:
Fig. 1 is 3D printer general structure schematic diagram of the present invention.
Fig. 2 is 3D printer planetary gears structure chart of the present invention.
Telescopic arms girder construction schematic diagram 1 when Fig. 3 a is 3D printer of the present invention two nozzle printing.
Telescopic arms girder construction schematic diagram 2 when Fig. 3 b is 3D printer of the present invention two nozzle printing.
Fig. 4 a is 3D printer Z axis motion of the present invention and feeding machanism structural representation a.
Fig. 4 b is 3D printer Z axis motion of the present invention and feeding machanism structural representation b.
Shower nozzle working trajectory schematic diagram when Fig. 5 is 3D printer print job of the present invention.
Fig. 6 is that 3D printer of the present invention prints effective work area and drive member track schematic diagram.
Fig. 7 is the spiral of Archimedes track schematic diagram of 3D printer of the present invention.
Figure number identifies: 1, the accurate planetary gears of external toothing, and 2, telescopic arms beam mechanism, 3, Z axis motion, 4, feeding machanism;
1-1, central gear, 1-2A, planetary gear A, 1-2B, planetary gear B, 1-3, back-up block, 1-4, reinforce annulus, 1-5, discoid workbench;
2-1A, shower nozzle A, 2-2A, motor for feeding A, 2-3A, Z-direction moving mass A, 2-4A, pole axis are to drive motors A, 2-5A, pole axis to ball-screw A, 2-6A, limited block A;
2-1B, shower nozzle B, 2-2B, motor for feeding B, 2-3B, Z-direction moving mass B, 2-4B, pole axis are to drive motors B, 2-5B, pole axis to ball-screw B, 2-6B, limited block B;
3-1A, Z-direction drive motors A, 3-2A, Z-direction motion bracing frame A, 3-3A, Z-direction ball-screw A, 3-4A, planetary gears drive motors A, 3-5A, motor cabinet A, 3-1B, Z-direction drive motors B, 3-2B, Z-direction motion bracing frame B, 3-3B, Z-direction ball-screw B, 3-4B, planetary gears drive motors B, 3-5B), motor cabinet B;
4-1A, applicator wheel A, 4-2A, applicator wheel bracing frame A, 4-1B, applicator wheel B, 4-2B, applicator wheel bracing frame B.
Detailed description of the invention
Below in conjunction with example and accompanying drawing, the technical program is described further:
With reference to accompanying drawing 1 ~ 7, a kind ofly realize the cylindrical coordinates formula 3D printer that many shower nozzles print simultaneously and comprise the accurate planetary gears (1) of external toothing, telescopic boom beam mechanism (2), Z axis motion (3), feeding machanism (4).
The accurate planetary gears (1) of described external toothing is made up of central gear (1-1), planetary gear (1-2), back-up block (1-3), reinforcing annulus (1-4) and discoid workbench (1-5).Described planetary gear (1-2) is at least provided with two, and this example is for two printhead, therefore planetary gear has two, is respectively planetary gear A(1-2A) and (1-2B) planetary gear B(1-2B).Wherein sun gear (1-1), reinforcing annulus (1-4) and discoid workbench (1-4) are fixed on back-up block (1-3), and the number of back-up block is arbitrary, its quantity prioritizing selection even number, and distribution mode should be evenly distributed on the Along ent of reinforcing annulus.As shown in Figure 2.
In the accurate planetary gears of external toothing, planetary gear is arranged on the output shaft of the accurate planetary gears drive motors of external toothing, with central gear external toothing.Also have in the inside of the accurate planetary gears of external toothing one with the central gear in external toothing precision planet be concentric, at conplane reinforcing annulus, have a discoid workbench reinforcing the inside of annulus, discoid workbench and reinforce annulus, central gear is concentric.
Further, in the accurate planetary gears of external toothing, sun gear and reinforcing annulus are fixed on inside the draw-in groove on the back-up block below them, and the number of back-up block is arbitrary, its quantity prioritizing selection even number, distribution mode should be evenly distributed on the Along ent of reinforcing annulus.
Described telescopic boom beam mechanism (2) comprises shower nozzle (2-1), motor for feeding (2-2), Z moving mass (2-3), pole axis to drive motors (2-4), pole axis to ball-screw (2-5) and limited block (2-6).Shower nozzle (2-1) in described telescopic boom beam mechanism (2) is at least provided with two.This example for two shower nozzle, therefore has two cover telescopic boom girder constructions, is respectively: shower nozzle A(2-1A), motor for feeding A(2-2A), Z-direction moving mass A(2-3A), pole axis is to drive motors A(2-4A), pole axis is to ball-screw A(2-5A), (2-6A) limited block A(2-6A)
Shower nozzle B(2-1B), motor for feeding B(2-2B), Z-direction moving mass B(2-3B) and, pole axis is to drive motors B(2-4B), pole axis is to ball-screw B(2-5B) and, limited block B(2-6B).Pole axis is chosen as ball-screw to type of drive, also can select then reasonably mechanism's realization such as worm and gear, Timing Belt.Wherein, pole axis is fixed on above Z-direction moving mass (2-3) to ball-screw (2-5) and pole axis to drive motors (2-4), to one end of ball-screw (2-5), feed drive motors (2-2) and nozzle (2-1) are installed at pole axis, at its other end limited location block (2-6), limited block (2-6) prevents from pole axially-movable to surpass formation, avoids bringing damage to mechanism.As shown in accompanying drawing 3a, accompanying drawing 3b.
Further, in telescopic boom beam mechanism, extremely axial type of drive can be chosen as the various ways such as ball-screw, worm and gear and synchronous belt drive mechanism, is chosen as ball-screw here.Pole axis is fixed on Z-direction moving mass to ball-screw and pole axis to drive motors, is provided with shower nozzle and motor for feeding, other end mounting limit block at pole axis to a section of ball-screw.
Described Z axis motion (3) comprises Z-direction drive motors (3-1), Z-direction motion bracing frame (3-2), Z-direction ball-screw (3-3), planet gear drives motor (3-4), motor cabinet (3-5).Z axis motion (3) is at least provided with two covers.This example is for two nozzle printing mechanism, have two cover Z-direction motions, be respectively: Z-direction drive motors A(3-1A), Z-direction motion bracing frame A(3-2A), Z-direction ball-screw A(3-3A), planetary gears drive motors A(3-4A), motor cabinet A(3-5A), Z-direction drive motors B(3-1B), Z-direction motion bracing frame B(3-2B), Z-direction ball-screw B(3-3B), planetary gears drive motors B(3-4B), motor cabinet B(3-5B).Wherein, planet gear drives motor (3-4) is fixed on above motor cabinet (3-5), Z axis telecontrol equipment is arranged on central gear (1-1) by motor cabinet (3-4) and reinforces above annulus (1-4), Z-direction type of drive is chosen as ball-screw, also the mode that toothed belt transmission etc. is feasible can be chosen as, Z-direction ball-screw (3-3) is fixed on above Z-direction motion bracing frame (3-2), Z-direction moving mass (2-3) is arranged on above Z-direction ball-screw (3-3), Z-direction drive motors (3-1) is arranged on above Z-direction motion bracing frame (3-2), as accompanying drawing 4a, shown in accompanying drawing 4b.
Further, in Z axis motion, the transmission mechanism of Z-direction realizes by the mechanism such as ball-screw, synchronous pulley, selects ball-screw to realize the Z-direction motion of 3D printing mechanism, being fixed on Z axis motion bracing frame of ball-screw here.The lower end of Z axis motion bracing frame is provided with motor cabinet, Z axis motion is arranged on central gear by motor cabinet and reinforces above annulus, motor cabinet is provided with planetary gears drive motors, and the top of Z axis motion bracing frame is provided with Z axis motion drive motors.
Described feeding machanism (4) comprises applicator wheel (4-1), applicator wheel bracing frame (4-2).Feeding machanism (4) is at least provided with two covers.This example, for two nozzle printing machine, has two cover feeding machanisms, is respectively: (4-1A) applicator wheel A(4-1A), applicator wheel bracing frame A(4-2A), applicator wheel B(4-1B) and, applicator wheel bracing frame B(4-2B).Wherein, applicator wheel bracing frame (4-2) is arranged on above Z-direction motion bracing frame (3-2), and applicator wheel (4-1) is arranged on above applicator wheel bracing frame (4-2).As shown in Figure 4.
Further, feeding machanism is arranged on above Z axis motion bracing frame, and applicator wheel bracing frame is fixed on Z axis motion bracing frame, and applicator wheel is arranged on applicator wheel bracing frame.
Described a kind of cylindrical coordinates formula 3D printer realizing many shower nozzles and print simultaneously, wherein accurate planetary gears and telescopic boom beam mechanism realize polar polar angle direction with extremely axial motion respectively, jointly realize the printing campaign of polar coordinate plane; The motion of accurate planetary gears, telescopic boom beam mechanism and Z-direction motion realizes the print job of this 3D printer spatially cylindrical coordinates jointly.
Described a kind of cylindrical coordinates formula 3D printer realizing many shower nozzles and print simultaneously, the extensibility of this structure, adjust according to the actual size of central gear in planetary gears the change that planetary gear, telescopic boom beam mechanism and Z axis motion realize shower nozzle number, carry out many nozzle printings or single nozzle printing.
Described a kind of cylindrical coordinates formula 3D printer realizing many shower nozzles and print simultaneously, when applicator wheel there being the material of different colours, namely can realize multi-color printing.
In this example, planetary gear (1-2) in accurate planetary gears (1) is driven by planetary gears drive motors (3-5), realize the rotation of planetary gears and the revolution around central gear (1-1), thus realize the motion in polar angle direction in polar coordinates.In telescopic boom beam mechanism (2), pole axis is driven to drive motors (2-4) to ball-screw (2-5) by pole axis, extremely axial motion under realizing polar coordinate system, thus makes shower nozzle realize the printing campaign of two dimensional surface under polar coordinate system; Z-direction drive motors (3-1) drives Z-direction ball-screw (3-2) to rotate, realize Z item moving mass (2-3) vertical motion in Z-direction, drive telescopic boom beam mechanism (2) to realize the motion of Z-direction, finally can realize the three-dimensional motion of shower nozzle at space cylindrical coordinate.Printed material is placed on feeding machanism (4), by motor for feeding (2-2), material is transported to shower nozzle (2-1), namely can realize the 3D print job under cylindrical coordinate.
In this example, two shower nozzle operation logic figure is as shown in accompanying drawing 5,6, and shower nozzle A prints A layer, and shower nozzle B prints B layer, and two layer data of computer control system scanning discrete model, ground floor model data is loaded into shower nozzle A, and second layer model data is loaded on shower nozzle B.Shower nozzle A preferentially prints, and after shower nozzle A prints a part, shower nozzle B starts the printing of the second layer, just achieves bilayer and prints simultaneously, improve and have printed efficiency.Be double-efficiency in theory, actual efficiency, 1.5-1.8 times of efficiency, prints because shower nozzle B follows shower nozzle A, has certain hysteresis quality.According to the size of sun gear, the quantity of shower nozzle can be increased, realizes the nozzle printing of more than two, printing effect can be improved greatly.
In this example, the calculating of the track of shower nozzle is based on space cylindrical coordinate, and therefore it prints all improving significantly of speed of curve and the printer of ratio of precision ordinary construction, the slewing parts such as the printer very applicable making axle class of this structure.Accompanying drawing 7 is the spiral of Archimedes track of two nozzle printing machine in this example.
In this example, if applicator wheel A and applicator wheel B provides the printed material of different colours, double-colored printing will be realized.On the basis increasing shower nozzle, increase feeding machanism, also can realize multi-color printing.
Claims (10)
1. can realize the cylindrical coordinates formula 3D printer that many shower nozzles print simultaneously, it is characterized in that: comprise the accurate planetary gears of external toothing, telescopic boom beam mechanism, Z axis motion, feeding machanism;
The accurate planetary gears of described external toothing is made up of central gear, planetary gear, back-up block, reinforcing annulus and discoid workbench, wherein sun gear, reinforcing annulus and discoid workbench are fixed on back-up block, the number of back-up block is arbitrary, its quantity prioritizing selection even number, distribution mode should be evenly distributed on the Along ent of reinforcing annulus;
In the accurate planetary gears of external toothing, planetary gear is arranged on the output shaft of the accurate planetary gears drive motors of external toothing, with central gear external toothing; Also have in the inside of the accurate planetary gears of external toothing one with the central gear in external toothing precision planet be concentric, at conplane reinforcing annulus, have a discoid workbench reinforcing the inside of annulus, discoid workbench and reinforce annulus, central gear is concentric;
Described telescopic boom beam mechanism comprises shower nozzle, motor for feeding, Z moving mass, pole axis to drive motors, pole axis to ball-screw and limited block, wherein pole axis is fixed on above Z-direction moving mass to ball-screw and pole axis to drive motors, to one end of ball-screw, feed drive motors and nozzle are installed at pole axis, at its other end limited location block, limited block prevents from pole axially-movable to surpass formation, avoids bringing damage to mechanism; Pole axis is fixed on Z-direction moving mass to ball-screw and pole axis to drive motors, is provided with shower nozzle and motor for feeding, other end mounting limit block at pole axis to a section of ball-screw;
Described Z axis motion comprises Z-direction drive motors, Z-direction motion bracing frame, Z-direction ball-screw, planet gear drives motor and motor cabinet, wherein planet gear drives motor is fixed on above motor cabinet, Z axis telecontrol equipment is arranged on central gear by motor cabinet and reinforces above annulus, Z-direction ball-screw is fixed on above Z-direction motion bracing frame, Z-direction moving mass is arranged on above Z-direction ball-screw, and Z-direction drive motors is arranged on above Z-direction motion bracing frame;
Described feeding machanism comprises applicator wheel and applicator wheel bracing frame; Feeding machanism is arranged on above Z axis motion bracing frame, and wherein applicator wheel bracing frame is arranged on above Z-direction motion bracing frame, and applicator wheel is arranged on above applicator wheel bracing frame.
2. a kind of cylindrical coordinates formula 3D printer realizing many shower nozzles and print simultaneously according to claim 1, is characterized in that: the planetary gear in planetary gears is at least provided with two.
3. a kind of cylindrical coordinates formula 3D printer realizing many shower nozzles and print simultaneously according to claim 1, it is characterized in that: in the accurate planetary gears of external toothing, sun gear and reinforcing annulus are fixed on inside the draw-in groove on the back-up block below them, the number of back-up block is arbitrary, its quantity prioritizing selection even number, distribution mode should be evenly distributed on the Along ent of reinforcing annulus.
4. a kind of cylindrical coordinates formula 3D printer realizing many shower nozzles and print simultaneously according to claim 1, is characterized in that: the shower nozzle in described telescopic boom beam mechanism is at least provided with two.
5. a kind of cylindrical coordinates formula 3D printer realizing many shower nozzles and print simultaneously according to claim 1, it is characterized in that: the pole axis in described telescopic boom beam mechanism is chosen as ball-screw to type of drive, then worm and gear, synchronous belt drive mechanism also can be selected to realize.
6. a kind of cylindrical coordinates formula 3D printer realizing many shower nozzles and print simultaneously according to claim 1, is characterized in that: Z axis motion is at least provided with two covers; In Z axis motion, the transmission mechanism of Z-direction realizes by ball-screw, synchronous pulley mechanism.
7. a kind of cylindrical coordinates formula 3D printer realizing many shower nozzles and print simultaneously according to claim 1, is characterized in that: feeding machanism is at least provided with two covers.
8. a kind of cylindrical coordinates formula 3D printer realizing many shower nozzles and print simultaneously according to claim 1, it is characterized in that: accurate planetary gears and telescopic boom beam mechanism realize polar polar angle direction with extremely axial motion respectively, jointly realize the printing campaign of polar coordinate plane; The motion of accurate planetary gears, telescopic boom beam mechanism and Z-direction motion realizes the print job of this 3D printer spatially cylindrical coordinates jointly.
9. a kind of cylindrical coordinates formula 3D printer realizing many shower nozzles and print simultaneously according to claim 1, it is characterized in that: described a kind of cylindrical coordinates formula 3D printer realizing many shower nozzles and print simultaneously, adjust according to the actual size of central gear in planetary gears the change that planetary gear, telescopic boom beam mechanism and Z axis motion realize shower nozzle number, carry out many nozzle printings or single nozzle printing.
10. a kind of cylindrical coordinates formula 3D printer realizing many shower nozzles and print simultaneously according to claim 1, it is characterized in that: described a kind of cylindrical coordinates formula 3D printer realizing many shower nozzles and print simultaneously, when applicator wheel there being the material of different colours, namely multi-color printing can be realized.
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| CN106515017A (en) * | 2016-11-30 | 2017-03-22 | 盈创新材料(苏州)有限公司 | 3D printing spray head |
| CN106738191A (en) * | 2017-01-19 | 2017-05-31 | 中材江西电瓷电气有限公司 | The 3D printing devices of insulator |
| CN108621414A (en) * | 2018-07-24 | 2018-10-09 | 罗飞 | A kind of split type three dimension color printing machine |
| CN110370642A (en) * | 2019-08-14 | 2019-10-25 | 周小鹏 | It is a kind of to exchange rotatable bilateral stock shelf for increasing double pressures that material prints |
| CN110450421A (en) * | 2019-09-04 | 2019-11-15 | 衢州学院 | 3D printer feeding mechanism based on information technology |
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| CN110370642A (en) * | 2019-08-14 | 2019-10-25 | 周小鹏 | It is a kind of to exchange rotatable bilateral stock shelf for increasing double pressures that material prints |
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| CN110450421B (en) * | 2019-09-04 | 2021-01-22 | 衢州学院 | 3D printer feeding mechanism based on information technology |
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