CN106493944A - A kind of 3D printer with many shower nozzle automated conversion systems - Google Patents
A kind of 3D printer with many shower nozzle automated conversion systems Download PDFInfo
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- CN106493944A CN106493944A CN201611113664.4A CN201611113664A CN106493944A CN 106493944 A CN106493944 A CN 106493944A CN 201611113664 A CN201611113664 A CN 201611113664A CN 106493944 A CN106493944 A CN 106493944A
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- Prior art keywords
- shower nozzle
- printing head
- motor
- conversion systems
- printer
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- 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
- 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
- B22F3/115—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by spraying molten metal, i.e. spray sintering, spray casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Ink Jet (AREA)
Abstract
The invention discloses a kind of 3D printer with many shower nozzle automated conversion systems, including frame, many shower nozzle automated conversion systems are arranged in frame, the mobile ejecting device that many shower nozzle automated conversion systems include shower nozzle storehouse mechanism, manipulator mechanism and move along X, Z-direction, manipulator mechanism are arranged between shower nozzle storehouse mechanism and mobile ejecting device;The shower nozzle storehouse mechanism includes runing rest and along several circumferentially disposed stand-by shower nozzles of runing rest, mobile ejecting device includes that the clamp system for moving support, printing head and being arranged on mobile support and printing head is clamped positioning, manipulator mechanism include the rotary driving part for carrying out position switching for gripping and discharging printing head, the mechanical hand of stand-by shower nozzle and driving mechanical handss between shower nozzle storehouse mechanism and mobile ejecting device.Present configuration is simple, small volume, can achieve many shower nozzles, many materials, multicoloured 3D printing.
Description
Technical field
A kind of the invention belongs to 3D printer technical field, more particularly to 3D printing with many shower nozzle automated conversion systems
Machine.
Background technology
3D printing technique is a kind of based on 3D mathematical model files, can bond material with powdery metal or plastics etc.
Material, manufactures the technology of object by way of successively printing.3D printer common in the market is mainly beaten with single spraying head
Based on print, or multiple shower nozzles are integrated together, its printing action is similar with single nozzle printing, so-called many nozzle printing machines
Actually refer on single shower nozzle, be integrated with multiple nozzles, the defect of this kind of mode is, due to multiple nozzle existence positions
On restriction, wherein during a nozzle operation, another nozzle is needed mobile avoiding model to prevent from scratching model.
In life-time service, frequent movement can cause the fatigue loss of connector, so as to cause error.Simultaneously as nozzle is integrated
On shower nozzle, affected by position and relative motion, when shower nozzle population structure does not make big change, the number of nozzle
Amount has certain restriction, usually double shower nozzles.Meanwhile, each nozzle includes independent wire feeder, heating arrangements and many
Individual drive disk assembly, when multiple nozzles are integrated on a shower nozzle, the drive shaft of shower nozzle needs sizable driving force, drives negative
Carry larger.This aspect needs more drive energies, on the other hand also improves the probability of generation problem.
The patent application of Application No. 201610407343.9 discloses a kind of many shower nozzle 3D printers, and which includes liftable
Rotary-tray, the nozzle component printed in X, Y-direction movement, and six along support arm radial direction synchronization telescope printing head, respectively
Printing head is formed with pallet and is rotated against, and many shower nozzle 3D printers are particularly suitable for printing big part revolving body, by rolling
Ballscrew drives rotary-tray to move up and down, and realizes that the accumulation on product height, the printing head component include:5th drives
At least six support arms that divides equally in motor, drive train, plane, are hung with slide block on each support arm, are connected under the slide block
There is printing head, the drive train includes the 5th driving motor output shaft driving gear and six driven gears, each driven tooth
Wheel drives slide block along support arm radial motion, and each printing head is that synchronous reciprocating is straight respectively by synchronous pulley and Timing Belt
Line is moved, i.e. the 5th motor drives a gear wheel rotation, six little gears to engage with gear wheel, and little gear is by synchronous
Band, slide block are radially reciprocated, and drive each printing head synchronous working.Although the printer of this kind of structure can achieve to beat simultaneously
Six products of print print a product simultaneously using six printing heads, but which considerably increases the volume of shower nozzle, and
Each shower nozzle is connected to corresponding printed material, to print procedure in three-dimensional motion and control bring inconvenience.
The patent application of Application No. 201310640307.3 discloses a kind of 3D printer, and which includes printing machine platform,
Described print the machine platform workbench that includes support and be fixed on support, be connected with shower nozzle grabbing device on support, described
Shower nozzle storehouse is placed with the outside of frame, movable suspension hangs with least one independent sprayer in shower nozzle storehouse, be fixedly connected with and crawl on shower nozzle
The attachment means of apparatus structure coupling.The attachment means can have multiple structural forms:(1) attachment means include that shower nozzle both sides are opened
The downward bayonet socket of mouth, in grabbing device and shower nozzle storehouse, shower nozzle fixing device is the dop part with bayonet fittings;(2) attachment means
The cone tank of hanging sleeve and shower nozzle opposite side including shower nozzle side, is fixed with the hook coordinated with hanging sleeve, crawl on shower nozzle storehouse
Device is and the close-fitting conical head of cone tank;(3) attachment means include the hanging sleeve and shower nozzle opposite side of shower nozzle side
Draw-in groove, is fixed with magnetic part in draw-in groove, be fixed with the hook coordinated with hanging sleeve on shower nozzle storehouse, and grabbing device is and draw-in groove magnetic
Dop;(4) attachment means include be oppositely arranged two openings of the hanging sleeve and shower nozzle opposite side of shower nozzle side, shower nozzle storehouse
On be fixed with the hook coordinated with hanging sleeve, grabbing device is two slide bars promoted by two push rods, and slide bar is pushed away by push rod
Dynamic snapping in is open to take out from shower nozzle storehouse and put back to shower nozzle;(5) attachment means include the T-piece of shower nozzle side, grabbing device
It is that clamp can block the inner side of T-piece to take out from shower nozzle storehouse and put back to shower nozzle by motor-driven two clamp.On
State 3D printer and although achieve shower nozzle replacing, but its attachment means and grabbing device structure are loaded down with trivial details, effect is changed in shower nozzle movement
Rate is low, and the Automated condtrol for being not easy to realize changing shower nozzle.
As can be seen here, prior art awaits further improving.
Content of the invention
The present invention is the weak point for avoiding above-mentioned prior art from existing, there is provided a kind of with many shower nozzle automatic conversion systems
The 3D printer of system, which solves integrated the brought problem of existing many shower nozzle 3D printer shower nozzles, not only can realize many
Shower nozzle, many materials, multicoloured 3D printing, and its movable part small volume, move with one sample prescription of single spraying head 3D printer
Just.
The technical solution adopted in the present invention is:
A kind of 3D printer with many shower nozzle automated conversion systems, including frame, many shower nozzle automated conversion systems
It is arranged in frame, the mobile spray that many shower nozzle automated conversion systems include shower nozzle storehouse mechanism, manipulator mechanism and move along X, Z-direction
Head device, manipulator mechanism are arranged between shower nozzle storehouse mechanism and mobile ejecting device;The shower nozzle storehouse mechanism includes rotation
Frame and along several circumferentially disposed stand-by shower nozzles of runing rest, mobile ejecting device includes moving support, printing head and sets
Put the clamp system that positioning is clamped on mobile support and to printing head, manipulator mechanism is included for gripping and discharge
Printing head, the mechanical hand of stand-by shower nozzle and driving mechanical handss between shower nozzle storehouse mechanism and mobile ejecting device carry out position and cut
The rotary driving part for changing.
The runing rest includes that the upper cover plate being connected with each other and lower cover, the outline edge of upper cover plate are opened along its circumference
It is provided with several upper shed grooves, it is relative with upper shed groove location that the outline edge of lower cover offers several along its circumference
Under shed groove, stand-by shower nozzle are placed between upper and lower cover plate, and the top of stand-by shower nozzle is stuck in upper shed groove, stand-by shower nozzle
Bottom is stuck under shed groove;The shower nozzle storehouse mechanism also includes the first stepping electricity that support is integrally rotated is rotated
Machine, the first motor are arranged on the lower section of runing rest, and the motor shaft of the first motor is connected with runing rest.
The shower nozzle storehouse mechanism also includes the first steering wheel for driving upper and lower cover plate synchronous rotary, passes through between upper and lower cover plate
Universal driving shaft is connected;The shower nozzle storehouse mechanism also includes stand-by shower nozzle limit assembly, stand-by shower nozzle limit assembly include fixed disk,
Lower fixed disk, arrange along upper fixed disk periphery border and equal with the upper shed slot number amount upper limit arm, along lower fixed disk periphery
Border is arranged and the lower limit arm equal with shed slot number amount, and the position of the upper and lower position limit arm is relative, and upper fixed disk is arranged
In the lower section of upper cover plate, lower fixed disk is arranged on the top of lower cover, during the first steering wheel drives upper and lower cover plate to rotate,
Upper and lower fixed disk is not rotated with upper and lower cover plate, when upper cover plate rotates the supreme open slot position relative with upper limit arm, the upper limit
Position arm blocks upper shed groove, and lower limit arm blocks under shed groove.
The manipulator mechanism also includes that the mechanical arm being connected with each other and mechanical arm rotating shaft, the rotary driving part include
Two stepping motor, the motor shaft of the second motor are connected with mechanical arm rotating shaft;The mechanical hand is arranged on the end of mechanical arm,
Mechanical hand includes that movable part and stationary part, movable part and stationary part are cooperatively formed for capturing the folder of printing head, stand-by shower nozzle
Hold gap;The first straight line drive division for driving movable part to make straight reciprocating motion is provided with the mechanical arm;Described first is straight
Line drive division includes that the second steering wheel and the crank being sequentially connected, rocking bar and connecting plate, the output shaft of the second steering wheel are connected with crank,
Connecting plate is connected with movable part.
The clamp system includes dynamic grip block, quiet grip block and drives dynamic grip block to make the second of straight reciprocating motion
Linear drives portion, during printing, printing head is clamped between dynamic and static grip block, when changing shower nozzle, moves grip block straight second
To a side shifting discharging printing head under the drive of line drive division;The second straight line drive division includes four-bar mechanism and the 3rd
Steering wheel, one end of four-bar mechanism is connected with the output shaft of the 3rd steering wheel, the other end is connected with dynamic grip block, and the 3rd steering wheel is arranged on
On mobile support.
Wire feeder is additionally provided with the frame, and it is fixed that wire feeder includes that the material silk being arranged on above printing head is oriented to
Position mechanism, Liao Si guide-localizations mechanism include camshaft, cam shaft installing seat, drive camshaft rotation the 3rd motor,
Electromagnet mounting plate and several electric magnet that is arranged along electromagnet mounting plate length direction successively, electromagnet mounting plate with convex
It is connected by back-moving spring between wheel shaft mounting seat, on each electric magnet, offers the gap that feed silk is passed through, the 3rd step
Stepper motor drives cam axle, and the cam outline on camshaft promotes electromagnet mounting plate to realize that Y-direction feeds, the cam
The size of axle overhead cam is caused when electric magnet moves to limit position along Y direction, the centrage of the material silk clamped by electric magnet,
The centrage of printing head and X-axis are in same plane.
The Liao Si guide-localizations mechanism also includes the upper deflector chute being arranged on mobile support and lower deflector chute, upper guide
The centrage of groove is located on the same line with the centrage of lower deflector chute, and lower deflector chute is located at the surface of printing head.
The wire feeder also includes expecting that silk conveying mechanism, material silk conveying mechanism include the 4th motor, active roller
And return idler, the 4th motor, active roller and return idler be arranged at moving on support, and active roller is by the 4th step
Stepper motor drives, and cooperatively forms feed gap between active roller and return idler.
The wire feeder also includes that feeder, feeder are located at the top of Liao Si guide-localizations mechanism, batcher
Structure includes expecting that silk mounting seat and central shaft, central shaft are fixed in material silk mounting seat, has several energy along central shaft is axially arranged
Enough sleeves relatively rotated around central shaft, are wound with material silk on each sleeve, and the material silk of different colours be wrapped in different
On sleeve, each sleeve around central axis when, each sleeve is without axially displaced.
The Z-direction drive mechanism and the mobile support of drive for driving mobile support to make elevating movement is additionally provided with the frame
Make the X of transverse movement to drive mechanism, in the frame, be additionally provided with pallet, pallet is located at the lower section of printing head, in frame
It is additionally provided with the Y-direction drive mechanism for driving pallet to travel longitudinally.
As a result of above-mentioned technical proposal, having the beneficial effect that acquired by the present invention:
The present invention uses shower nozzle storehouse technology, it is achieved that the printing function of many shower nozzles;Relative to existing single spraying head 3D printing
For machine, present invention achieves many shower nozzles, many raw materials, multicoloured 3D printing;Relative to existing many shower nozzle 3D printers
Speech, the mobile ejecting device small volume in the present invention, simple structure, its three-dimensional motion equally facilitate with single spraying head 3D printer,
And it is easily controllable.Additionally, runing rest, upper shed groove, the setting of under shed groove facilitate mechanical hand to stand-by spray in the present invention
The crawl of head, improves replacing efficiency, and then improves printing effect.
Description of the drawings
Fig. 1 is the overall installation diagram of the present invention.
Fig. 2 is mobile support and the assembly relation schematic diagram of each part thereon in the present invention.
Fig. 3 is runing rest and the assembly relation schematic diagram of each part thereon in the present invention.
Fig. 4 is the structural representation of manipulator mechanism in the present invention.
Fig. 5 is the structural representation of feeder in the present invention.
Fig. 6 is the part-structure schematic diagram of Zhong Liaosi guide-localizations mechanism of the present invention.
Fig. 7 is the workflow diagram for carrying out shower nozzle replacing using the present invention.
Wherein,
1st, mobile ejecting device 101, mobile support 102, the 4th motor 103, active roller 104, driven rolling
Wheel 105, printing head 106, dynamic grip block 107, quiet grip block 108, four-bar mechanism 109, the output shaft of the 3rd steering wheel
2nd, shower nozzle storehouse mechanism 201, the first steering wheel 202, upper cover plate 203, upper shed groove 204, upper limit arm 205, connecting pole
206th, lower cover 207, lower limit arm 208, lower fixed disk 209, under shed groove 210, universal driving shaft 211, the first motor
212nd, shower nozzle bottom of the reservior seat 3, manipulator mechanism 301, stationary part 302, movable part 303, clamping gap 304, connecting plate
305th, rocking bar 306, crank 307, the second steering wheel 308, mechanical arm 309, mechanical arm rotating shaft 310, the second motor
311st, manipulator base 4, Liao Si guide-localizations mechanism 401, cam shaft installing seat 402, camshaft 403, back-moving spring
404th, the 3rd motor 405, electromagnet mounting plate 406, electric magnet 407, gap 408, upper deflector chute 409, lower guide
Groove 5, feeder 501, material silk 502, central shaft 503, material silk mounting seat 504, sleeve 6, frame 7, pallet 8, cloud
Platform 9, ball screw assembly, 10, vertical guide post 11, X to synchrome conveying belt 12, laterally steering bar 13, Y-direction timing belt 14,
V-type gathering sill
Specific embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings, but the present invention is not limited to
These embodiments.
As shown in Figures 1 to 7, a kind of 3D printer with many shower nozzle automated conversion systems, including frame 6, described more
Shower nozzle automated conversion system is arranged in frame 6, for convenience of description, is laterally defined as X-axis, is longitudinally defined as Y-axis, will be perpendicular
To being defined as Z axis.Many shower nozzle automated conversion systems include shower nozzle storehouse mechanism 2, manipulator mechanism 3 and move along X, Z-direction
Mobile ejecting device 1, manipulator mechanism 3 are arranged between shower nozzle storehouse mechanism 2 and mobile ejecting device 1.
As shown in figures 1 and 3, the shower nozzle storehouse mechanism 2 includes runing rest and along circumferentially disposed some of runing rest
Individual stand-by shower nozzle.The runing rest includes the upper cover plate 202 being connected with each other and lower cover 206, the outline side of upper cover plate 202
Edge offers several upper shed grooves 203 along its circumference, the outline edge of lower cover 206 along its circumference offer several with
The relative under shed groove 209 in 203 position of upper shed groove, stand-by shower nozzle are placed between upper and lower cover plate, the top card of stand-by shower nozzle
In upper shed groove 203, the bottom of stand-by shower nozzle is stuck under shed groove 209.Preferably, the section of the upper and lower opening groove
U-shaped.It is connected with each other by many vertically arranged connecting poles 205 between the upper and lower cover plate.The shower nozzle storehouse mechanism is also
Including the first motor 211 that support is integrally rotated is rotated, the first motor 211 is arranged on runing rest
Lower section, the motor shaft of the first motor 211 are connected with runing rest.The shower nozzle storehouse mechanism also includes shower nozzle bottom of the reservior seat 212,
First motor 211 is arranged on shower nozzle bottom of the reservior seat 212.
As shown in figures 1 and 3, the shower nozzle storehouse mechanism also includes the first steering wheel for driving upper and lower cover plate synchronous rotary
201, it is connected by universal driving shaft 210 between upper and lower cover plate;The shower nozzle storehouse mechanism also includes stand-by shower nozzle limit assembly, stand-by
Shower nozzle limit assembly is included fixed disk, lower fixed disk 208, arranges and counted with upper shed groove 203 along upper fixed disk periphery border
Measure equal upper limit arm 204, arrange and the lower limit equal with 209 quantity of under shed groove along 208 peripheral border of lower fixed disk
Arm 207, the position of the upper and lower position limit arm are relative.Preferably, the section of the upper and lower position limit arm is L-shaped.Upper fixed disk
The lower section of upper cover plate 202 is arranged on, lower fixed disk 208 is arranged on the top of lower cover 206.First steering wheel 201 drives upper and lower cover
During plate rotates, upper and lower fixed disk is not rotated with upper and lower cover plate;Upper cover plate 202 rotates supreme open slot 203 and the upper limit
During the relative position of arm 204 of position, upper limit arm 204 blocks upper shed groove 203, and lower limit arm 207 blocks under shed groove 209, real
The existing positioning to stand-by shower nozzle;When upper cover plate 202 rotates supreme open slot 203 to be not correspond to 204 position of upper limit arm, on
Position limit arm 204 no longer blocks open slot 203, and lower limit arm 207 no longer blocks under shed groove 209, facilitates following mechanical hand sides
Just stand-by shower nozzle is gripped.
As depicted in figs. 1 and 2, the mobile ejecting device 1 includes moving support 101, printing head 105 and is arranged on shifting
The clamp system of positioning is clamped on dynamic support 101 and to printing head 105.The clamp system include dynamic grip block 106,
Quiet grip block 107 and the dynamic grip block 106 of drive make the second straight line drive division of straight reciprocating motion, during printing, printing head
105 are clamped between dynamic and static grip block, and when needing to change shower nozzle, dynamic grip block 106 is under the drive of second straight line drive division
To a side shifting discharging printing head 105.The second straight line drive division includes four-bar mechanism 108 and the 3rd steering wheel, four bars
One end of mechanism 108 is connected with the output shaft 109 of the 3rd steering wheel, the other end is connected with dynamic grip block 106, and the 3rd steering wheel is arranged on
On mobile support 101.It should be noted that the second straight line drive division is not limited only to described four-bar mechanism 108
Drive form is combined with the 3rd steering wheel, other drive forms are can also be, for example, the structure shape of motor and ball screw assembly,
(ball screw assembly, is connected formula with dynamic grip block 106, motor driven ball screws pair, so as to drive dynamic grip block 106 to move back and forth
To realize clamping or release to printing head 105), can also be Driven by Hydraulic Cylinder form (piston rod of hydraulic cylinder with dynamic
Grip block 106 is connected, and moves grip block 106 with the flexible drive of piston rod and moves back and forth to realize the clamping to printing head 105
Or release), therefore, any drive form that dynamic grip block 106 can be driven to make straight reciprocating motion can meet requirement, and
It is not limited only to Fig. 2 and the driving structure form described in above-described embodiment.
As shown in Figure 1 and Figure 4, the manipulator mechanism 3 is included for gripping and discharge printing head 105, stand-by shower nozzle
Mechanical hand and driving mechanical handss carry out the rotary driving part of position switching between shower nozzle storehouse mechanism 2 and mobile ejecting device 1.
The manipulator mechanism also includes that manipulator base 311, following second motors 310 are arranged in manipulator base 311.
As shown in figure 4, the manipulator mechanism also includes the mechanical arm 308 being connected with each other and mechanical arm rotating shaft 309, described
Rotary driving part includes that the second motor 310, the motor shaft of the second motor 310 are connected with mechanical arm rotating shaft 309;Described
Mechanical hand is arranged on the end of mechanical arm 308, and mechanical hand includes movable part 302 and stationary part 301, movable part 302 and stationary part
301 cooperatively form for capturing the clamping gap 303 of printing head 105, stand-by shower nozzle;Band is provided with the mechanical arm 308
Dynamic movable part 302 makees the first straight line drive division of straight reciprocating motion.The first straight line drive division include the second steering wheel 307 and
Crank 306, rocking bar 305 and the connecting plate 304 being sequentially connected, the output shaft of the second steering wheel 307 are connected with crank 306, connecting plate
304 are connected with movable part 302.It is additionally provided with the mechanical arm 308 for ensureing that connecting plate 304 does the guiding for moving along a straight line
Groove, the gathering sill are covered on mechanical arm 308 in the form of case 312.It should be noted that the first straight line drive division is simultaneously
Crank rocker described in being not limited solely to combines drive form with the second steering wheel 307, can also be other drive forms,
For example, motor and ball screw assembly, version (ball screw assembly, is connected with movable part 302, motor driven ball screws pair,
So as to drive movable part 302 to move back and forth to realize clamping or release to printing head 105 and stand-by shower nozzle), can also be
(piston rod of hydraulic cylinder is connected the form of Driven by Hydraulic Cylinder with movable part 302, and the flexible drive movable part 302 with piston rod is past
Multiple motion is realizing clamping or release to printing head 105 and stand-by shower nozzle), therefore, any that movable part can be driven to make is straight
The reciprocating drive form of line can meet requirement, and be not limited only to Fig. 4 and the driving described in above-described embodiment
Version.
As shown in figures 1 to 6, wire feeder is additionally provided with the frame, and wire feeder includes being arranged on printing head
The Liao Si guide-localizations mechanism 4 of top, Liao Si guide-localizations mechanism 4 include that camshaft 402, cam shaft installing seat 401, drive are convex
Wheel shaft 402 rotation the 3rd motor 404, electromagnet mounting plate 405 and along 405 length direction of electromagnet mounting plate successively
Several electric magnet 406 of arrangement, pass through 403 phase of back-moving spring between electromagnet mounting plate 405 and cam shaft installing seat 401
Even, the gap 407 that feed silk 501 is passed through is offered on each electric magnet 406, and the 3rd motor 404 drives camshaft
402 rotate, and the cam outline on camshaft 402 promotes electromagnet mounting plate 405 to realize that Y-direction feeds, on the camshaft 402
The size of cam is caused when electric magnet 406 moves to limit position along Y direction, in the material silk 501 clamped by electric magnet 406
Heart line, the centrage of printing head 105 and X-axis are in same plane.The Liao Si guide-localizations mechanism 4 also includes arranging
Upper deflector chute 408 and lower deflector chute 409, the centrage of upper deflector chute 408 and lower deflector chute 409 on mobile support 101
Centrage is located on the same line, and lower deflector chute 409 is located at the surface of printing head 105.
When the electric magnet 406 moves to highest distance position, certain far stop as the cam on camshaft 402 has
Angle, therefore electric magnet 406 can be motionless in remains stationary in certain period of time, and now, motion mobile ejecting device in place is under
The drive lower edge Z-direction for stating Z-direction drive mechanism rises so that material silk 501 enters following feed gaps through upper deflector chute 408, then passes through
The friction for crossing following driving and driven rollers drives, and can achieve material silk 501 through lower deflector chute 409 accurate right with printing head 105
Connect, it is also possible to control the 3rd motor 404 shut down within this period of time, in order to expecting silk 501 and printing spray
105 docking campaign more smoothly can be carried out.With being rotated further for the 3rd motor 404, when on camshaft 402
Cam turn over far angle of repose after, electromagnet mounting plate 405 is together with electric magnet 406 mounted thereon in back-moving spring 403
Drive under return origin, waiting instruction, in order to carry out action of reloading next time.
As shown in Fig. 2 the wire feeder also includes expecting that silk conveying mechanism, material silk conveying mechanism include the 4th motor
102nd, active roller 103 and return idler 104, the 4th motor 102, active roller 103 and return idler 104 are arranged at
On mobile support 101, active roller 103 is driven by the 4th motor 102, is matched somebody with somebody between active roller 103 and return idler 104
Close and form feed gap.The driving and driven roller is arranged between upper and lower deflector chute.It is additionally provided with the mobile support 101
Heating arrangements, heat and expect silk 501 for heating and melting.
As shown in Figure 1 and Figure 5, the wire feeder also includes that feeder 5, feeder 5 are located at material silk guide-localization
The top of mechanism 4, feeder 5 include expecting that silk mounting seat 503 and central shaft 502, central shaft 502 are fixed on material silk mounting seat
On 503, along the axially arranged sleeve 504 for having several relatively rotate around central shaft 502 of central shaft 502, each sleeve 504
On be wound with material silk 501, and different colours material silk 501 be wrapped on different sleeves 504, each sleeve 504 is around central shaft
During 502 rotation, each sleeve 504 is without axially displaced.When material silk 501 is subject to the friction belt of active roller 103 and return idler 104
When dynamic, will be rotated around central shaft 502 with sleeve 504 together, realize the supply of material silk.Material silk 501 is extracted out through sleeve 504, according to
Secondary gap 407 through on electric magnet 406, upper deflector chute 408, feed gap, enter printing head 105 after lower deflector chute 409, so
Spray for printed matter Products by printing head 105.
As shown in figure 1, be additionally provided with the frame 6 the Z-direction drive mechanism that drives mobile support 101 to make elevating movement with
And drive mobile support 101 to make the X of transverse movement to drive mechanism.For convenience of mobile support 101 is driven, can be in mobile support
101 lower section arranges coupled head 8.
For realizing that the Z-direction drive mechanism for driving mobile support 101 to make elevating movement can have multiple structural forms, example
Such as, can be the vertical guide posts 10 of motor+ball screw assembly, 9+ as shown in Figure 1 combining form, or hydraulic cylinder+perpendicular
To the combining form of guide post, certainly, Z-direction drive mechanism is not limited to above-described embodiment, as long as can realize driving movement
The elevating movement of vertical direction made by support 101.
For realizing that the X for driving mobile support 101 to make transverse movement can also have multiple structural forms, example to drive mechanism
Such as, can be combining form from motor+X as shown in Figure 1 to synchrome conveying belt 11+ laterally steerings bar 12, or motor+
The combining form of ball screw assembly,+laterally steering bar 12.Certainly, X is not limited to above-described embodiment to drive mechanism, as long as energy
Enough driving structures for realizing driving mobile support 101 to make transverse movement can meet requirement.
As shown in figure 1, being additionally provided with pallet 7 in the frame 6, pallet 7 is located at the lower section of printing head 105, in frame 6
It is additionally provided with the Y-direction drive mechanism for driving pallet 7 to travel longitudinally.Y-direction for realizing driving pallet 7 to travel longitudinally drives
Mechanism can also have multiple structural forms, for example, it may be motor as shown in Figure 1+Y-direction synchrome conveying belt 11+ longitudinally guidings
The combining form of bar, or the combining form of motor+ball screw assembly,+longitudinally guiding bar, it might even be possible to be hydraulic cylinder+vertical
Combining form to guide post.Certainly, Y-direction drive mechanism is not limited to above-described embodiment, as long as can realize driving pallet 7
The driving structure for travelling longitudinally can meet requirement.It should be noted that the shower nozzle storehouse mechanism 2 and pallet 7 in the present invention
It is connected, the lengthwise movement of pallet 7 can cause the lengthwise movement of shower nozzle storehouse mechanism 2, for convenience of the movement of shower nozzle storehouse mechanism 2, can be
V-type gathering sill 14 is set in frame 6, and the guide pad being connected with shower nozzle bottom of the reservior seat 212 is set in the lower section of shower nozzle bottom of the reservior seat 212
15, the structure of guide pad 15 is adapted with the structure of V-type gathering sill 14.
3D printer of the present invention is also included for controlling the control system of each motor and steering wheel.As shown in fig. 7, beating
Print machine is received after the instruction of the replacing shower nozzle of control system in print procedure, time-out printing operation first, and is controlled
The mobile ejecting device 1 of system and manipulator mechanism 3 move to corresponding position, and the 4th motor 102 drives active roller 103 anti-
Turn, material silk 501 is separated with printing head 105, the 3rd servo driving four-bar mechanism 108 is rotated, decontrol dynamic and static grip block right
The clamping of printing head 105, now, control system control machinery hand mechanism 3 moves, and printing head 105 is removed and is placed on
At clear position in shower nozzle storehouse mechanism 2;Afterwards, the first motor 211 drives runing rest unitary rotation so that another one
The stand-by shower nozzle that puts is gone at the position that manipulator mechanism is easily captured, and the first steering wheel 201 drives upper and lower cover plate rotation, makes
Upper and lower position limit arm no longer blocks upper and lower opening groove, and the stand-by shower nozzle in manipulator mechanism crawl shower nozzle storehouse mechanism 2 is simultaneously transported
It is sent between dynamic and static grip block, 108 action of the 3rd steering wheel action drives screw body, clamps dynamic and static grip block and just fetch
Stand-by shower nozzle make printing head;Then, the 3rd motor 404 of control is rotated, and turns the cam on camshaft 402
To far angle of repose, control Z-direction drive mechanism drives mobile ejecting device to move along Z-direction, material silk 501 is entered through upper deflector chute 408
Enter to be fed gap, the 4th motor 102 drives active roller 103 to rotate forward, material silk 501 is entered through lower deflector chute 409 and print
Shower nozzle 105, completes more changing jobs for shower nozzle.
The part employing or reference prior art that does not address in the present invention can achieve.
In describing the invention, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " on ", D score,
The orientation of instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward " or position relationship are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than indicate or dark
Show that the device or element of indication must be with specific orientation, with specific azimuth configuration and operation, therefore it is not intended that right
The restriction of the present invention.
Additionally, term " first ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or hint phase
To importance.
Specific embodiment described herein is only the spiritual example explanation to the present invention.Belonging to of the invention
Those skilled in the art can make various modifications or supplement or using similar to described specific embodiment
Mode is substituted, but without departing from the spiritual of the present invention or surmounts scope defined in appended claims.
Claims (10)
1. a kind of 3D printer with many shower nozzle automated conversion systems, it is characterised in that
Including frame, many shower nozzle automated conversion systems are arranged in frame;
The mobile ejecting device that many shower nozzle automated conversion systems include shower nozzle storehouse mechanism, manipulator mechanism and move along X, Z-direction, machine
Tool mobile phone structure is arranged between shower nozzle storehouse mechanism and mobile ejecting device;
The shower nozzle storehouse mechanism includes runing rest and along several circumferentially disposed stand-by shower nozzles of runing rest;
Mobile ejecting device includes moving support, printing head and being arranged on mobile support and be clamped printing head determining
The clamp system of position;
Manipulator mechanism is included for gripping and discharge printing head, the mechanical hand of stand-by shower nozzle and driving mechanical handss in shower nozzle storehouse
The rotary driving part of position switching is carried out between mechanism and mobile ejecting device.
2. a kind of 3D printer with many shower nozzle automated conversion systems according to claim 1, it is characterised in that
The runing rest includes that the upper cover plate being connected with each other and lower cover, the outline edge of upper cover plate are offered along its circumference
Several upper shed grooves, the outline edge of lower cover along its circumference offer several relative with upper shed groove location under open
Mouth groove, stand-by shower nozzle are placed between upper and lower cover plate, and the top of stand-by shower nozzle is stuck in upper shed groove, the bottom of stand-by shower nozzle
It is stuck under shed groove;
The shower nozzle storehouse mechanism also includes the first motor that support is integrally rotated is rotated, and the first motor sets
The lower section in runing rest is put, the motor shaft of the first motor is connected with runing rest.
3. a kind of 3D printer with many shower nozzle automated conversion systems according to claim 2, it is characterised in that
The shower nozzle storehouse mechanism also includes the first steering wheel for driving upper and lower cover plate synchronous rotary, by linkage between upper and lower cover plate
Axle is connected;
The shower nozzle storehouse mechanism also includes that stand-by shower nozzle limit assembly, stand-by shower nozzle limit assembly include fixed disk, lower fixation
Disk, arrange along upper fixed disk periphery border and equal with the upper shed slot number amount upper limit arm, set along lower fixed disk periphery border
Put and the lower limit arm equal with shed slot number amount, the position of the upper and lower position limit arm is relative, and upper fixed disk is arranged on lid
The lower section of plate, lower fixed disk are arranged on the top of lower cover, during the first steering wheel drives upper and lower cover plate to rotate, upper and lower solid
Price fixing is not rotated with upper and lower cover plate, and when upper cover plate rotates the supreme open slot position relative with upper limit arm, upper limit arm is blocked
Upper shed groove, lower limit arm block under shed groove.
4. a kind of 3D printer with many shower nozzle automated conversion systems according to claim 1, it is characterised in that
The manipulator mechanism also includes that the mechanical arm being connected with each other and mechanical arm rotating shaft, the rotary driving part include second step
Stepper motor, the motor shaft of the second motor are connected with mechanical arm rotating shaft;
The mechanical hand is arranged on the end of mechanical arm, and mechanical hand includes that movable part and stationary part, movable part and stationary part coordinate
Formed for capturing the clamping gap of printing head, stand-by shower nozzle;Being provided with drive movable part on the mechanical arm, to make straight line past
The first straight line drive division of multiple motion;
The first straight line drive division includes the second steering wheel and the crank being sequentially connected, rocking bar and connecting plate, the second steering wheel defeated
Shaft is connected with crank, and connecting plate is connected with movable part.
5. a kind of 3D printer with many shower nozzle automated conversion systems according to claim 1, it is characterised in that
The clamp system includes dynamic grip block, quiet grip block and drives the second straight line for moving that grip block makees straight reciprocating motion
Drive division, during printing, printing head is clamped between dynamic and static grip block, when changing shower nozzle, is moved grip block and is driven in second straight line
To a side shifting discharging printing head under the drive in dynamic portion;The second straight line drive division includes four-bar mechanism and the 3rd rudder
Machine, one end of four-bar mechanism is connected with the output shaft of the 3rd steering wheel, the other end is connected with dynamic grip block, and the 3rd steering wheel is arranged on shifting
On dynamic support.
6. a kind of 3D printer with many shower nozzle automated conversion systems according to claim 1, it is characterised in that
Wire feeder is additionally provided with the frame;
The wire feeder includes being arranged on the Liao Si guide-localizations mechanism above printing head, and Liao Si guide-localizations mechanism includes
Camshaft, cam shaft installing seat, drive camshaft rotation the 3rd motor, electromagnet mounting plate and along electric magnet install
Several electric magnet that plate length direction is arranged successively, pass through back-moving spring phase between electromagnet mounting plate and cam shaft installing seat
Even, the gap that feed silk is passed through is offered on each electric magnet;
3rd motor drives cam axle, and the cam outline on camshaft promotes electromagnet mounting plate to realize Y
To feeding, the size of the camshaft overhead cam is caused when electric magnet moves to limit position along Y direction, clamped by electric magnet
The material centrage of silk, the centrage of printing head and X-axis be in same plane.
7. a kind of 3D printer with many shower nozzle automated conversion systems according to claim 6, it is characterised in that
The Liao Si guide-localizations mechanism also includes the upper deflector chute being arranged on mobile support and lower deflector chute, upper deflector chute
Centrage is located on the same line with the centrage of lower deflector chute, and lower deflector chute is located at the surface of printing head.
8. a kind of 3D printer with many shower nozzle automated conversion systems according to claim 6, it is characterised in that
The wire feeder also include expect silk conveying mechanism, material silk conveying mechanism include the 4th motor, active roller and from
Dynamic roller, the 4th motor, active roller and return idler are arranged at moving on support, and active roller is by the 4th stepping electricity
Machine drives, and cooperatively forms feed gap between active roller and return idler.
9. a kind of 3D printer with many shower nozzle automated conversion systems according to claim 6, it is characterised in that
The wire feeder also includes that feeder, feeder are located at the top of Liao Si guide-localizations mechanism;
The feeder includes expecting that silk mounting seat and central shaft, central shaft are fixed in material silk mounting seat, along central shaft axial direction
Several sleeves that can be relatively rotated around central shaft are provided with, material silk, and the material of different colours on each sleeve, is wound with
Silk be wrapped on different sleeves, each sleeve around central axis when, each sleeve is without axially displaced.
10. a kind of 3D printer with many shower nozzle automated conversion systems according to claim 1, it is characterised in that
It is additionally provided with the mobile support of drive to make the Z-direction drive mechanism of elevating movement and drive mobile support to make horizontal stroke in the frame
X to motion is additionally provided with pallet to drive mechanism in the frame, pallet is located at the lower section of printing head, also sets in frame
It is equipped with the Y-direction drive mechanism for driving pallet to travel longitudinally.
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CN106827534A (en) * | 2017-03-17 | 2017-06-13 | 黄泽 | A kind of 3D printer of many shower nozzles |
CN107214948A (en) * | 2017-07-21 | 2017-09-29 | 佛山市正略信息科技有限公司 | It is a kind of that the 3D printer that two kinds of materials are printed simultaneously can be achieved |
CN108189399A (en) * | 2018-02-13 | 2018-06-22 | 大连派思益科技有限公司 | 3D printer can be switched in a kind of more nozzles of composite gradient material |
CN108511146A (en) * | 2018-02-11 | 2018-09-07 | 山东科技大学 | A kind of novel double-direction control proportion electro-magnet device and its control method |
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US20220009169A1 (en) * | 2020-07-09 | 2022-01-13 | Em Emo Solutions Ab | Three-dimensional imaging apparatus having multiple passive nozzles for modeling a multi material three-dimensional object |
US20220080656A1 (en) * | 2019-01-09 | 2022-03-17 | Am Design E.U. | Tool unit |
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CN107214948A (en) * | 2017-07-21 | 2017-09-29 | 佛山市正略信息科技有限公司 | It is a kind of that the 3D printer that two kinds of materials are printed simultaneously can be achieved |
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CN108511146A (en) * | 2018-02-11 | 2018-09-07 | 山东科技大学 | A kind of novel double-direction control proportion electro-magnet device and its control method |
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EP3560687A1 (en) * | 2018-04-23 | 2019-10-30 | Bond high performance 3D technology B.V. | System for additive manufacturing |
WO2019206868A1 (en) * | 2018-04-23 | 2019-10-31 | Bond High Performance 3D Technology B.V. | System for additive manufacturing |
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CN109203470B (en) * | 2018-10-17 | 2024-03-26 | 苏州市职业大学 | Colorful melting type 3D printer |
CN109203470A (en) * | 2018-10-17 | 2019-01-15 | 苏州市职业大学 | A kind of colorful fusion 3D printer |
US20220080656A1 (en) * | 2019-01-09 | 2022-03-17 | Am Design E.U. | Tool unit |
CN110253887A (en) * | 2019-06-21 | 2019-09-20 | 金陵科技学院 | A kind of full-color 3D printer and Method of printing |
US11826960B2 (en) * | 2020-07-09 | 2023-11-28 | Ememo Solutions Ab | Three-dimensional imaging apparatus having multiple passive nozzles for modeling a multi material three-dimensional object |
US20220009169A1 (en) * | 2020-07-09 | 2022-01-13 | Em Emo Solutions Ab | Three-dimensional imaging apparatus having multiple passive nozzles for modeling a multi material three-dimensional object |
CN113844030A (en) * | 2021-11-01 | 2021-12-28 | 深圳拓竹科技有限公司 | Method for 3D printer and 3D printer device |
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CN114701167B (en) * | 2022-03-30 | 2023-07-21 | 无锡市检验检测认证研究院 | Automatic reloading 3D printing device |
WO2024012282A1 (en) * | 2022-07-13 | 2024-01-18 | 深圳市创想三维科技股份有限公司 | Dual-spray-head device, and 3d printing apparatus |
CN115625888A (en) * | 2022-09-22 | 2023-01-20 | 河北智取科技有限公司 | Three-dimensional feeding 3D printing equipment without powder laying and printing method thereof |
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