CN107351391B - A kind of high-precision multiaxial type 3D printer - Google Patents
A kind of high-precision multiaxial type 3D printer Download PDFInfo
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- CN107351391B CN107351391B CN201710688521.4A CN201710688521A CN107351391B CN 107351391 B CN107351391 B CN 107351391B CN 201710688521 A CN201710688521 A CN 201710688521A CN 107351391 B CN107351391 B CN 107351391B
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- supporter
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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
Abstract
The invention discloses a kind of high-precision multiaxial type 3D printers, it includes the flow distribution plate that can be generated molten state raw material or receive the reversing tube of molten state raw material, connect with reversing tube bottom discharging end, and the bottom of flow distribution plate is additionally provided with the guiding mechanism of the molten state raw material of receivable flow distribution plate discharge；The guiding mechanism includes guiding supporter, is fixedly connected with guiding supporter and the guide rail of horizontally extending setting, it is connected with the first extrusion mechanism of the acceptable molten state raw material flowed out from the first intercommunicating pore below guiding supporter, guides the second extrusion mechanism for also being slidably connected on supporter and can moving and be subjected to the molten state raw material flowed out from the second intercommunicating pore along guide rail guide direction.
Description
Technical field
The present invention relates to a kind of 3D printer, more particularly to a kind of multiaxial type 3D printer.
Background technology
3D printing is a kind of form of additive manufacturing technology, and three dimensional object is by continuous in additive manufacturing technology
Physical layer be created that come；3D printer has speed fast, price is just for other additive manufacturing technologies
Preferably, the advantages that high ease for use；3D printer is shaped functionally as laser forming technology using layering processing, superposition, i.e., logical
3D entities are generated after successively increasing material, it is entirely different with traditional material removal processing technology.
Existing 3D printer can only carry out single head formula printing, have a single function, and cannot complete multiple repeated patterns
Disposable printing.
Invention content
To solve the deficiencies in the prior art, multiple repeat patterns can disposably be printed the object of the present invention is to provide a kind of
3D printer, and the span between multiple extruder heads is adjustable, and the connection that can also be oriented needs the extruder head of work.
To realize the above-mentioned technical purpose, the technical solution adopted in the present invention is as follows.
A kind of high-precision multiaxial type 3D printer comprising molten state raw material can be generated or receive changing for molten state raw material
Xiang Guan, the flow distribution plate being connect with reversing tube bottom discharging end, the reversing tube can be around own axis, the bottoms of reversing tube
Offer the material-dividing groove for being connected to its inner cavity and arc-shaped structure on end plate, flow distribution plate is towards offering the on the end face of reversing tube
One tap hole, the second tap hole, reversing tube during the own axis, material-dividing groove can successively with the first tap hole,
Two tap holes are connected, and the first tap hole, the second tap hole can be connected by material-dividing groove；
The bottom of flow distribution plate is additionally provided with the guiding mechanism of the molten state raw material of receivable flow distribution plate discharge；
The guiding mechanism include guiding supporter, with guide supporter to be fixedly connected and horizontally extending set
The guide rail set guides and is provided with the first intercommunicating pore being connected with the first tap hole on supporter, is connected with the second tap hole
The second intercommunicating pore, guide supporter on be additionally provided with along guide rail guide direction and be arranged in guiding supporting body surface guiding
Slot, the bottom plane of guide rail is higher than the bottom plane of guiding supporter, the bottom discharging end of the second intercommunicating pore in the vertical direction
It is arranged in the bottom plane of guide rail, the bottom discharging end of the first intercommunicating pore is arranged in the bottom plane of guiding supporter；Guiding branch
It is connected with the first extrusion mechanism of the acceptable molten state raw material flowed out from the first intercommunicating pore below support body, guides on supporter
The second of the molten state raw material flowed out from the second intercommunicating pore can be moved and be subjected to along guide rail guide direction by also slidably connecting
Extrusion mechanism；
The first above-mentioned extrusion mechanism include with guiding supporter bottom plane it is mutually fixed first extrusion supporter, first
It squeezes out to be provided on supporter and is connected with the first intercommunicating pore and is subjected to the molten state raw material flowed out from the first intercommunicating pore
First melt flow road, the bottom of the first extrusion supporter are also equipped with first to be connected with the exhaust end in the first melt flow road and squeeze out
Head；
The second above-mentioned extrusion mechanism includes the storage material supporter of guiding groove of being slidably connected and be arranged in guide rail, storage material
The storage material slot arranged along guide rail guide direction and mutually connected, pusher groove are provided on supporter, and pusher groove is set to storage
The bottom of hopper, and the guide surface of groove body and guide rail that storage material slot, pusher groove are constituted matches and the section of the groove body
T-shaped structure, the side that storage material supporter suspends end towards guide rail are provided with the avoid holes passed through for guide rail, from the second connection
The molten state raw material that hole flows into can flow into pusher groove, and the suspension end side of storage material supporter towards guide rail is provided with second and squeezes
Lift one's head, and the side at pusher groove towards guide rail suspension end is provided with the second melt flow road connected with the second extruder head inner cavity.
More preferably, reversing tube is connected to the power output part a of the first power supply mechanism, and the first power supply mechanism is also
Include connecting with power output part a and can receive rotary force and rotary force is transferred to the power of power output part a to connect
Component a is received, by power output part a driving reversing tubes around the rotation of own axes.
More perfectly, the first power supply mechanism includes driving motor a, power reception component a, rack a, power output
Component a, power reception component a, power output part a are spur gear, and power reception component a is set to the defeated of driving motor a
Outlet and the rotary force for being used to receive driving motor a outputs, power output part a are fixedly sheathed in the outside of lower tube body, move
Power receiving part a, power output part a match with rack a, and rack a is used to receive the power that power reception component a is provided
And power is transferred to power output part a.
More preferably, the bottom of the first extrusion supporter is additionally provided with the first mounting base for installing the first extruder head, and
And first inner cavity and the first melt flow road of mounting base connect.
More optimally, the outer surface of the first mounting base is provided with external screw thread, is provided on the first extruder head and the first peace
The internal thread that external screw thread on dress seat matches.
More preferably, storage material supporter is also associated with the second power supply machine for driving it to be moved along guide rail guide direction
Structure, the second power supply mechanism include mutually fixed with storage material supporter and be extended along guide rail guide direction rack b, with
Rack b match and can drive rack b slided along guide rail guide direction power output part b, receive rotary force and can
The power reception component b of rotary force is transmitted to power output part b.
More specifically, the second above-mentioned power supply mechanism further includes driving motor b, gear b, power reception component b,
Power output part b is spur gear, and power reception component b is installed on the output end of driving motor b and can receive driving
The rotary force that motor b is provided, power reception component b are meshed with gear b and for transmitting rotary force, power output part b
It connect and moves synchronously with gear b coaxial lines, power output part b is meshed with rack b and drive rack b is along guide rail
Guide direction moves.
The single nozzle of multiaxis D printers prints or the method for more nozzle isochronous printings, method include：
S1：Reversing tube receives or generates molten state raw material, and controls the angle that reversing tube is rotated around own axes；It changes
It is connected with flow distribution plate to bottom of the tube exhaust end, is offered in the bottom end plate of reversing tube and is connected to its inner cavity and arc-shaped structure
Material-dividing groove, flow distribution plate turn towards the first tap hole, the second tap hole, reversing tube is offered on the end face of reversing tube around own axes
In dynamic process, material-dividing groove can be connected with the first tap hole, the second tap hole successively, and the first tap hole, the second tap hole
It can be connected by material-dividing groove；
S2：When material-dividing groove and the first tap hole are connected, and the second tap hole of bottom end plate pair of reversing tube blocks；It is molten
Melt state raw material self-commutation tube cavity to flow into the first tap hole, since the bottom of flow distribution plate is additionally provided with receivable flow distribution plate row
The guiding mechanism of the molten state raw material gone out, the guiding mechanism include guiding supporter, guide and are provided on supporter and the
The first intercommunicating pore that one tap hole is connected, the bottom discharging end of the first intercommunicating pore are arranged in the bottom plane of guiding supporter,
The first extrusion mechanism of the acceptable molten state raw material flowed out from the first intercommunicating pore is connected with below guiding supporter, first squeezes
Go out mechanism include and guiding supporter bottom plane it is mutually fixed first squeeze out supporter, first extrusion supporter on be provided with and
First intercommunicating pore is connected and the first melt flow road of the acceptable molten state raw material flowed out from the first intercommunicating pore, and first squeezes out branch
The bottom of support body is also equipped with the first extruder head being connected with the exhaust end in the first melt flow road；So that being flowed out from the first tap hole
Molten state raw material can pass through the first intercommunicating pore, the first melt flow road and flow into the first extruder head, and be extruded by the first extruder head
Type；
S3：When material-dividing groove and the second tap hole are connected, and the first tap hole of bottom end plate pair of reversing tube blocks；It is molten
Melt state raw material self-commutation tube cavity to flow into the second tap hole, since above-mentioned guiding supporter is also fixedly connected with along level
The extended guide rail in direction guides and is additionally provided with the second intercommunicating pore being connected with the second tap hole on supporter, guiding branch
The guiding groove of guiding supporting body surface is additionally provided with along guide rail guide direction and is arranged on support body, in the vertical direction guide rail
Bottom plane is arranged in the bottom plane of guide rail higher than the bottom plane for guiding supporter, the bottom discharging end of the second intercommunicating pore,
Also being slidably connected on guiding supporter can move along guide rail guide direction and be subjected to the melting flowed out from the second intercommunicating pore
Second extrusion mechanism of state raw material, the second extrusion mechanism include be slidably connected and be arranged in guide rail guiding groove storage material support
Body is provided with the storage material slot arranged along guide rail guide direction and mutually connected, pusher groove on storage material supporter, and pusher groove is set
It is placed in the bottom of storage material slot, and the guide surface of groove body and guide rail that constitutes of storage material slot, pusher groove matches and the groove body
The T-shaped structure in section, the side that storage material supporter suspends end towards guide rail is provided with the avoid holes passed through for guide rail, from the
The molten state raw material that two intercommunicating pores flow into can flow into pusher groove, and the suspension end side of storage material supporter towards guide rail is provided with
Second extruder head, and the side at pusher groove towards guide rail suspension end is provided with the second melt flow connected with the second extruder head inner cavity
Road；Storage material supporter realizes the span between the first extruder head and the second extruder head along the guide direction motion process of guide rail
The molten state raw material for adjusting, and flowing out from the second tap hole flows into the by the second intercommunicating pore, pusher groove, the second melt flow road
Two extruder heads, and by the second extruder head extrusion molding；
S4：When material-dividing groove is also turned on the first tap hole, the second tap hole, molten state raw material can be by the first tap hole stream
To the first intercommunicating pore, the first melt flow road and the first extruder head is flowed into, by the first extruder head extrusion molding；Molten state raw material may be used also
To flow to the second intercommunicating pore, pusher groove, the second melt flow road by the second tap hole and flow into the second extruder head, by the second extruder head
Extrusion molding；It works while realizing the first extruder head, the second extruder head, and the first extruder head, second squeeze in the course of work
Span between lifting one's head can be adjusted according to the mode in above-mentioned steps S3.
More perfectly, in above-mentioned steps S3, storage material supporter is also associated with for driving it to be transported along guide rail guide direction
The second dynamic power supply mechanism, the second power supply mechanism include mutually fixed with storage material supporter and along guide rail guide directions
Extended rack b, match with rack b and can the power output parts that are slided along guide rail guide direction of drive rack b
B, it receives rotary force and the power reception component b of rotary force can be transmitted to power output part b.
More specifically, the second above-mentioned power supply mechanism further includes driving motor b, gear b, power reception component b,
Power output part b is spur gear, and power reception component b is installed on the output end of driving motor b and can receive driving
The rotary force that motor b is provided, power reception component b are meshed with gear b and for transmitting rotary force, power output part b
It connect and moves synchronously with gear b coaxial lines, power output part b is meshed with rack b and drive rack b is along guide rail
Guide direction moves.
Description of the drawings
In order to illustrate the embodiments of the present invention more clearly, attached drawing needed in the embodiment will be done simply below
It introduces, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ordinary skill people
For member, without creative efforts, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram that upper clamp plate matches with reversing tube.
The structural schematic diagram that Fig. 3 is upper clamp plate, lower clamp plate matches.
Fig. 4 is the structural schematic diagram of reversing tube.
Fig. 5 is the structural schematic diagram that the first power supply mechanism matches with lower clamp plate.
Fig. 6 is the structural schematic diagram that guiding mechanism matches with flow distribution plate, the second extrusion mechanism.
Fig. 7 is the structural schematic diagram of flow distribution plate.
Fig. 8 is the structural schematic diagram of flow distribution plate.
Fig. 9 is the structural schematic diagram of flow distribution plate.
Figure 10 is the structural schematic diagram that flow distribution plate matches with guiding supporter.
Figure 11 is the structural schematic diagram that flow distribution plate matches with guiding supporter.
Figure 12 is the structural schematic diagram that flow distribution plate matches with guiding supporter.
Figure 13 is the structural schematic diagram of guiding mechanism.
Figure 14 is the structural schematic diagram that guiding mechanism matches with the first extrusion mechanism.
Figure 15 is the structural schematic diagram of the first extrusion mechanism.
Figure 16 is the structural schematic diagram that the second power supply mechanism matches with the second extrusion mechanism.
Figure 17 is the structural schematic diagram that the second power supply mechanism matches with the second extrusion mechanism.
Figure 18 is the structural schematic diagram of the second power supply mechanism.
Figure 19 is the structural schematic diagram that guiding mechanism matches with the second extrusion mechanism.
Figure 20 is the structural schematic diagram of the second extrusion mechanism.
Figure 21 is the structural schematic diagram of the second extrusion mechanism.
Figure 22 is the structural schematic diagram that guiding mechanism matches with the second extrusion mechanism.
Figure 23 is the structural schematic diagram that guiding mechanism matches with the second extrusion mechanism.
It is denoted as in figure：
10, supporter；
110, upper clamp plate；111, extension board；
120, conveying pipeline；
130, reversing tube；131, upper tube body；132, lower tube body；133, end plate；134, material-dividing groove；
140, lower clamp plate；
150, flow distribution plate；151, the first tap hole；152, the second tap hole；153, center mounting hole；154, the first shunting
Seat；155, the second distributary base；
20, the first power supply mechanism；210, driving motor a；220, power reception component a；230, rack a；240, it moves
Power output block a；
30, the second power supply mechanism；310, holder；320, power reception component b；330, gear b；340, power output
Component b；350, rack b；
40, guiding mechanism；410, supporter is guided；411, guiding groove；412, the first intercommunicating pore；413, the second intercommunicating pore；
414, pusher protrusion；420, guide rail；
50, the second extrusion mechanism；510, storage material supporter；511, storage material slot；512, pusher groove；513, the second melt flow road；
520, the second extruder head；530, link block；531, the second mounting base；
60, for electric installation；610, the first heating rod；620, the second heating rod；630, third heating rod；
70, connecting plate；
80, the first extrusion mechanism；810, first supporter is squeezed out；820, the first melt flow road；830, the first extruder head；840,
First mounting base.
Specific implementation mode
With reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground describes, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole embodiments.Based on this hair
Embodiment in bright, those of ordinary skill in the art without making creative work, the every other reality obtained
Example is applied, the scope of the present invention is belonged to.
A kind of high-precision multiaxial type 3D printer includes mainly that can generate molten state raw material or reception molten state raw material
Reversing tube 130, the flow distribution plate 150 that is connect with 130 bottom discharging end of reversing tube, the reversing tube 130 can be around own axes
Rotate and be connected to the power output part a240 of the first power supply mechanism 20, the first power supply mechanism 20 further include with
Power output part a240 connections and it can receive rotary force and rotary force be transferred to the power of power output part a240 and connect
Component a220 is received, by power output part a240 driving reversing tubes 130 around the rotation of own axes；The bottom end of reversing tube 130
Offer the material-dividing groove 134 for being connected to its inner cavity and arc-shaped structure on plate 133, flow distribution plate 150 is towards the end face of reversing tube 130
On offer the first tap hole 151, the second tap hole 152, the first tap hole 151, the second tap hole 152 discharge end difference
Connect extruder head, reversing tube 130 during the own axis, material-dividing groove 134 can successively with the first tap hole 151, the
Two tap holes 152 are connected, and the first tap hole 151, the second tap hole 152 can be connected by material-dividing groove 134.
The progress place of the advantages of above-mentioned technical proposal and acquirement is that the flow direction of molten state raw material is controllable, by changing
To the direction of rotation or position of pipe 130, to which the first tap hole 151 of control, the second tap hole 152 connect with material-dividing groove 134
It is logical；When only the first tap hole 151 is connected with material-dividing groove 134, molten state raw material can only pass through reversing tube 130, material-dividing groove
134, the first tap hole 151 flows into the extruder head being connected with the first tap hole 151；Similarly, when only the second tap hole
152 with material-dividing groove 134 connect when, molten state raw material can only pass through reversing tube 130, material-dividing groove 134, the second tap hole 152 flow into
To the extruder head being connected with the second tap hole 152；When material-dividing groove 134 simultaneously with the first tap hole 151, the second tap hole
When 152 connection, molten state raw material can be flowed into the extruder head being connected with the first tap hole 151 and be flowed into and second
In the extruder head that tap hole 152 is connected；It, both can be with it will be apparent that above-mentioned technical solution can realize merging for single head and bull
The 3D printing for realizing single head, can also realize the 3D printing of bull, wherein be advantageous in that using bull 3D printing, it can be primary
Property the multiple identical targeted graphicals of printing, improve work efficiency, reduce the duplication of labour.
As shown in figure 4, reversing tube 130 includes the upper tube body 131 of coaxial arrangement, lower tube body 132, and the axis of upper tube body 131
Diameter is less than the diameter of axle of lower tube body 132, and the open top of upper tube body 131 is for receiving solid material or molten state raw material.Its is excellent
Point is that the intracavity space of lower tube body 132 is larger, can store more molten state raw material, can avoid the output because of material-dividing groove 134
Measure excessive, molten state raw material supply amount is insufficient, leads to the phenomenon that stops.
As shown in Fig. 2,3,5, the outside of reversing tube 130 is also socketed with the plate body for being supported to reversing tube 130, institute
The plate body stated includes upper clamp plate 110, lower clamp plate 140, and upper clamp plate 110 is socketed on the outside of reversing tube 130 and upper clamp plate 110
It is provided with the step groove that the step constituted between upper tube body 131, lower tube body 132 matches, lower clamp plate 140 is socketed on lower tube body
132 outside.
As shown in Fig. 1,3,5, the first power supply mechanism 20 is installed on lower clamp plate 140, the first power supply mechanism 20 packet
Driving motor a210, power reception component a220, rack a230, power output part a240 are included, power reception component a220, is moved
Power output block a240 is spur gear, and power reception component a220 is set to the output end of driving motor a210 and for connecing
The rotary force of driving motor a210 outputs is received, power output part a240 is fixedly sheathed in the outside of lower tube body 132, power reception
Component a220, power output part a240 match with rack a230, and rack a230 is for receiving power reception component a220
Power is simultaneously transferred to power output part a240 by the power of offer；It is offered on lower clamp plate 140 for accommodating power reception portion
The groove body of part a220, power output part a240, and the guide groove for being oriented to rack a230 is offered on lower clamp plate 140.
As shown in figure 3, also setting up the extension board 111 of horizontally extending setting on upper clamp plate 110, extension board 111 covers
It is placed on the top of power reception component a220.
More optimally, the above-mentioned discharge end with the first tap hole 151, the second tap hole 152 is respectively turned on extrusion
The opening shape and/or size of head are different；The different printing effects of identical print pattern can be achieved.
As shown in Fig. 2, being provided with the first heating rod 610 on upper clamp plate 110；First heating rod 610 distributes heat source after being powered,
And the solid feed in reversing tube 130 is melted, generate molten state raw material.
As shown in Fig. 2, the pan feeding end of the upper tube body 131 of reversing tube 130 is connected with conveying pipeline 120, conveying pipeline 120 can be to
Upper tube body 131 injects solid feed；More optimally, the outside wall portions of conveying pipeline 120 are provided with cooling fin；By adding cooling fin
So that conveying pipeline 120 is convenient for cooling, and reduce the thermal energy radiation of 3D printer generation and the thermal energy spoke of the first heating rod 610
The influence to the solid feed in conveying pipeline 120 is penetrated, avoids the solid feed being located in conveying pipeline 120 that fusing or soft occurs
Change.
As illustrated in figures 6-10, an end wall of flow distribution plate 150 towards reversing tube 130 is provided with the positioning table to raise up
133 bottom of end plate of rank, reversing tube 130 is provided with the groove body to match with the positioning step, and the first tap hole 151,
The open end of two tap holes 152 is arranged in the surface of the positioning step.By add positioning step and with the positioning step
The groove body to match can be improved the compactness of reversing tube 130 and 150 junction of flow distribution plate, avoid the excessive of molten state raw material.More
Optimally, to be additionally provided with the center mounting hole 153 of coaxial line arrangement, 133 bottom centre of end plate at positioning step center
Place is additionally provided with the central protuberance with 153 shiding matching of center mounting hole.
As Figure 7-9, the lower face of flow distribution plate 150 is additionally provided with the first distributary base connected with the first tap hole 151
154, the second distributary base 155 connected with the second tap hole 152；Preferably, the first distributary base 154, the second distributary base 155 are convex
For the column of 150 bottom surface of flow distribution plate, and the centerline axis parallel of the first distributary base 154, the second distributary base 155.
The technical solution of above-mentioned offer has greater advantage, but squeezes out more in terms of the printing for adapting to repeated patterns
The printing that is linked of head, for this purpose, the present invention also provides following technical scheme, is realized more again without effective solution
Span between extruder head is adjustable, is suitable for more being widely applied range.
As shown in figures 10-17, the bottom of flow distribution plate 150 is additionally provided with the molten state raw material of the discharge of receivable flow distribution plate 150
Guiding mechanism 40, the guiding mechanism 40 includes guiding supporter 410, is fixedly connected and edge with supporter 410 is guided
The extended guide rail 420 of horizontal direction guides be provided on supporter 410 and be connected with the first tap hole 151 first to connect
Through-hole 412, the second intercommunicating pore 413 being connected with the second tap hole 152, guide and are additionally provided with along guide rail 420 on supporter 410
Guide direction is simultaneously arranged in the guiding groove 411 on guiding supporter 410 surface, particularly importantly, guide rail 420 in the vertical direction
For bottom plane higher than the bottom plane of guiding supporter 410, the bottom discharging end of the second intercommunicating pore 413 is arranged in guide rail 420
Bottom plane, the bottom discharging end of the first intercommunicating pore 412 are arranged in the bottom plane of guiding supporter 410；Guide supporter 410
Lower section be connected with the first extrusion mechanism 80 of acceptable molten state raw material flow out from the first intercommunicating pore 412, guiding supporter
Also being slidably connected on 410 can move along 420 guide direction of guide rail and be subjected to the molten state flowed out from the second intercommunicating pore 413
Second extrusion mechanism 50 of raw material.
As shown in Figure 14,15, the first above-mentioned extrusion mechanism 80 includes mutually fixed with guiding 410 bottom plane of supporter
First squeezes out supporter 810, is provided on the first extrusion supporter 810 and is connected and is subjected to certainly with the first intercommunicating pore 412
The bottom in the first melt flow road 820 of the molten state raw material of the first intercommunicating pore 412 outflow, the first extrusion supporter 810 is also equipped with
The first extruder head 830 being connected with the exhaust end in the first melt flow road 820.
As shown in figure 15, the bottom of the first extrusion supporter 810 is additionally provided with first for installing the first extruder head 830
Mounting base 840, and the inner cavity of the first mounting base 840 is connected with the first melt flow road 820；More optimally, the first mounting base 840
Outer surface be provided with external screw thread, be provided on the first extruder head 830 in matching with the external screw thread in the first mounting base 840
Screw thread.
As shown in Figure 16-23, the second above-mentioned extrusion mechanism 50 includes that guiding is slidably connected and be arranged in guide rail 420
The storage material supporter 510 of slot 411 is provided on storage material supporter 510 and arranges along 420 guide direction of guide rail and mutually connect
Storage material slot 511, pusher groove 512, and pusher groove 512 is set to the bottom of storage material slot 511, and storage material slot 511, pusher groove 512
The groove body of composition matches with the guide surface of guide rail 420 and the T-shaped structure in the section of the groove body, 510 court of storage material supporter
The side that direction guiding rail 420 suspends end is provided with the avoid holes passed through for guide rail 420, the melting flowed into from the second intercommunicating pore 413
State raw material can flow into pusher groove 512, and the suspension end side of storage material supporter 510 towards guide rail 420 is provided with the second extrusion
First 520, and the side at pusher groove 512 towards the suspension of guide rail 420 end is provided with second connected with 520 inner cavity of the second extruder head
Melt flow road 513.
As shown in Figure 22,23, guides and be provided on supporter 410 in guiding groove 411 and protrude from 420 bottom of guide rail
The pusher protrusion 414 that facial planes matches with pusher groove 512, and pusher protrusion 414, guide rail 420 are located at the second intercommunicating pore
413 side.Second intercommunicating pore 413 guiding molten state raw material flows into pusher groove 512, when storage material supporter 510 is along guide rail
Guide direction move and make storage material supporter 510 with guiding supporter 410 occur relative motion when, pusher protrusion 414 can
Molten state raw material is gathered in the region between pusher protrusion 414 and the second melt flow road 513 by limitation always.
As shown in Figure 19-23, the guide surface of 420 bottom of guide rail remains close patch with the groove bottom of storage material slot 511
It closes；Its significance lies in that by the constraint of pusher protrusion 414 and the guide surface of 420 bottom of guide rail, molten state raw material can be sealed
Close in pusher groove 512, avoid because molten state raw material pressure is excessive or the excessive outside spilling of flow.
As shown in Figure 13,14, the first intercommunicating pore 412, the second intercommunicating pore 413 pan feeding port be provided with and the first distributary base
154, the interface step that the second distributary base 155 matches can increase the stability of connection and can prevent overflowing for molten state raw material
Go out.
As shown in figure 20, storage material supporter 510 and the second extruder head 520 are additionally provided with for connecting the second extruder head 520
Link block 530, the intercommunicating pore for being connected to the second melt flow road 513, the bottom of link block 530 are provided in link block 530
It is provided with the second mounting base 531 for installing the second extruder head 520, and intercommunicating pore and the inner cavity of the second mounting base 531 connect
It is logical；More optimally, the outer wall of the second mounting base 531 is provided with external screw thread, is provided with and is set on the second extruder head 520
The internal thread that external screw thread in two mounting bases 531 matches.
More optimally, the third heating rod 630 for being heated to molten state raw material is additionally provided on link block 530.
As shown in figs. 16-18, storage material supporter 510 is also associated with for driving it to be moved along 420 guide direction of guide rail
Second power supply mechanism 30, the second power supply mechanism 30 include fixing with 510 phase of storage material supporter and being oriented to along guide rail
The extended rack b350 in direction, match with rack b350 and can drive rack b moved along what guide rail guide direction slide
Power output block b340, it receives rotary force and the power reception component of rotary force can be transmitted to power output part b340
b320。
More specifically, the second above-mentioned power supply mechanism 30 further includes driving motor b, gear b330, power reception
Component b320, power output part b340 are spur gear, and power reception component b320 is installed on the output end of driving motor b
And the rotary force that driving motor b is provided is can receive, power reception component b320 is meshed with gear b330 and for transmitting
Rotary force, power output part b340 connect and move synchronously with gear b330 coaxial lines, power output part b340 and tooth
B350 is meshed and drive rack b350 is moved along the guide direction of guide rail.
As shown in Figure 17,18, the second power supply mechanism 30 further includes the holder 310 for installing driving motor b, and is propped up
Frame 310 is fixed with guiding 410 phase of supporter.
As shown in Figure 10, it is also equipped with the connecting plate that it is fixed between flow distribution plate 150 and guiding supporter 410
70, it more optimally, on connecting plate 70 is plugged with the second heating rod 620 for heating up to molten state raw material vertically.
As shown in Fig. 1,6,10, the cover board 10 for upper clamp plate 110 to be fixed is provided on upper clamp plate 110, and cover
Plate 10 is fixed by fastener and 70 phase of connecting plate.
Above-mentioned the first heating rod 610, the second heating rod 620, third heating rod 630, driving motor a, driving motor b are equal
It is connected to for electric installation 60 by power cord.
For the printing effect for improving in span regulation scheme provided by the invention, the first above-mentioned extruder head 830 and second
The extrusion of extruder head 520 is located in same level.
The single nozzle of multiaxis 3D printer prints or the method for more nozzle isochronous printings, method include：
S1：Reversing tube 130 receives or generates molten state raw material, and controls what reversing tube 130 was rotated around own axes
Angle；130 bottom discharging end of reversing tube is connected with flow distribution plate 150, is offered in the bottom end plate 133 of reversing tube 130 and is connected to it
The material-dividing groove 134 of inner cavity and arc-shaped structure, flow distribution plate 150 is towards offering the first tap hole on the end face of reversing tube 130
151, the second tap hole 152, reversing tube 130 during the own axis, material-dividing groove 134 can successively with the first tap hole
151, the second tap hole 152 is connected, and the first tap hole 151, the second tap hole 152 can be connected by material-dividing groove 134；
S2：When material-dividing groove 134 and the connection of the first tap hole 151, and the bottom end plate 133 of reversing tube 130 is to second point
When discharge orifice 152 blocks；130 inner cavity of molten state raw material self-commutation pipe flows into the first tap hole 151, due to flow distribution plate 150
Bottom is additionally provided with the guiding mechanism 40 of the molten state raw material of the discharge of receivable flow distribution plate 150, and the guiding mechanism 40 includes
Supporter 410 is guided, guides and is provided with the first intercommunicating pore 412 being connected with the first tap hole 151 on supporter 410, first
The bottom discharging end of intercommunicating pore 412 is arranged in the bottom plane of guiding supporter 410, and the lower section of guiding supporter 410 is connected with
First extrusion mechanism 80 of the acceptable molten state raw material flowed out from the first intercommunicating pore 412, the first extrusion mechanism 80 include and draw
It leads 410 bottom plane of supporter mutually fixed first and squeezes out supporter 810, be provided with and first on the first extrusion supporter 810
Intercommunicating pore 412 is connected and the first melt flow road 820 of the acceptable molten state raw material flowed out from the first intercommunicating pore 412, and first
The bottom for squeezing out supporter 810 is also equipped with the first extruder head 830 being connected with the exhaust end in the first melt flow road 820；So that
The molten state raw material flowed out from the first tap hole 151 can pass through the first intercommunicating pore 412, the first melt flow road 820 flows into first and squeezes
Lift one's head 830, and by 830 extrusion molding of the first extruder head；
S3：When material-dividing groove 134 and the connection of the second tap hole 152, and the bottom end plate 133 of reversing tube 130 is to first point
When discharge orifice 151 blocks；130 inner cavity of molten state raw material self-commutation pipe flows into the second tap hole 152, due to above-mentioned guiding branch
Support body 410 is also fixedly connected with the guide rail 420 of horizontally extending setting, guides and is additionally provided on supporter 410 and second
The second intercommunicating pore 413 that tap hole 152 is connected guides and is additionally provided with along 420 guide direction of guide rail and wears on supporter 410
Guiding groove 411 in 410 surface of guiding supporter, the bottom plane of guide rail 420 is higher than guiding supporter 410 in the vertical direction
Bottom plane, the bottom discharging end of the second intercommunicating pore 413 is arranged in the bottom plane of guide rail 420, guides on supporter 410 also
Slidably connecting can move along 420 guide direction of guide rail and be subjected to the molten state raw material flowed out from the second intercommunicating pore 413
Second extrusion mechanism 50, the second extrusion mechanism 50 include the storage material branch that guiding groove 411 is slidably connected and be arranged in guide rail 420
Support body 510 is provided with the storage material slot 511 arranged along 420 guide direction of guide rail and mutually connected on storage material supporter 510, pushes away
Hopper 512, and pusher groove 512 is set to the bottom of storage material slot 511, and the groove body that constitutes of storage material slot 511, pusher groove 512 with
The guide surface of guide rail 420 matches and the T-shaped structure in the section of the groove body, and storage material supporter 510 is suspended towards guide rail 420
The side at end is provided with the avoid holes passed through for guide rail 420, and the molten state raw material flowed into from the second intercommunicating pore 413 can flow into
In pusher groove 512, the suspension end side of storage material supporter 510 towards guide rail 420 is provided with the second extruder head 520, and pusher
The side that slot 512 suspends end towards guide rail 420 is provided with the second melt flow road 513 connected with 520 inner cavity of the second extruder head；Storage material
Supporter 510 is realized along the guide direction motion process of guide rail 420 between the first extruder head 830 and the second extruder head 520
Span is adjusted, and the molten state raw material flowed out from the second tap hole 152 passes through the second intercommunicating pore 413, pusher groove 512, second
Melt flow road 513 flows into the second extruder head 520, and by 520 extrusion molding of the second extruder head；
S4：When material-dividing groove 134 is also turned on the first tap hole 151, the second tap hole 152, molten state raw material can be by
One tap hole 151 flows to the first intercommunicating pore 412, the first melt flow road 820 and flows into the first extruder head 830, by the first extruder head
830 extrusion moldings；Molten state raw material can also be flowed to the second intercommunicating pore 413 by the second tap hole 152, pusher groove 512, second be melted
Runner 513 simultaneously flows into the second extruder head 520, by 520 extrusion molding of the second extruder head；Realize that the first extruder head 830, second squeezes
Lift one's head 520 while work, and the span in the course of work between the first extruder head 830, the second extruder head 520 can be according to upper
The mode stated in step S3 is adjusted.
More perfectly, in above-mentioned steps S3, storage material supporter 510 is also associated with for driving it to be oriented to along guide rail 420
Direction movement the second power supply mechanism 30, the second power supply mechanism 30 include fixed with 510 phase of storage material supporter and
Along guide rail guide direction be extended rack b350, with rack b350 match and can drive rack b along guide rail guiding side
It can connect to the power output part b340 of sliding, reception rotary force and to the power of power output part b340 transmission rotary forces
Receive component b320.
More specifically, the second above-mentioned power supply mechanism 30 further includes driving motor b, gear b330, power reception
Component b320, power output part b340 are spur gear, and power reception component b320 is installed on the output end of driving motor b
And the rotary force that driving motor b is provided is can receive, power reception component b320 is meshed with gear b330 and for transmitting
Rotary force, power output part b340 connect and move synchronously with gear b330 coaxial lines, power output part b340 and tooth
B350 is meshed and drive rack b350 is moved along the guide direction of guide rail.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention；
Various modifications to these embodiments will be apparent to those skilled in the art, defined in the present invention
General Principle can not depart from the present invention spirit or scope in the case of, realize in other embodiments.Therefore, originally
Invention will not be defined to the embodiments shown herein, and be to fit to and the principles and novel features disclosed herein
Consistent widest range.
Claims (7)
1. a kind of high-precision multiaxial type 3D printer, which is characterized in that it includes that can generate molten state raw material or receive to melt
The reversing tube of state raw material, the flow distribution plate being connect with reversing tube bottom discharging end, the reversing tube can be changed around own axis
Offer the material-dividing groove for being connected to its inner cavity and arc-shaped structure in the bottom end plate of pipe, flow distribution plate is towards the end face of reversing tube
On offer the first tap hole, the second tap hole, for reversing tube during the own axis, material-dividing groove can be successively with first
Tap hole, the second tap hole are connected, and the first tap hole, the second tap hole can be connected by material-dividing groove；
The bottom of flow distribution plate is additionally provided with the guiding mechanism of the molten state raw material of receivable flow distribution plate discharge；
The guiding mechanism includes guiding supporter, is fixedly connected with guiding supporter and horizontally extending setting
Guide rail guides for being provided with the first intercommunicating pore being connected with the first tap hole on supporter, being connected with the second tap hole
Two intercommunicating pores guide the guiding groove that guiding supporting body surface is additionally provided with along guide rail guide direction and be arranged on supporter,
Higher than the bottom plane of guiding supporter, the bottom discharging end of the second intercommunicating pore is arranged in the bottom plane of vertical direction upper rail
The bottom plane of guide rail, the bottom discharging end of the first intercommunicating pore are arranged in the bottom plane of guiding supporter；Guide supporter
Lower section is connected with the first extrusion mechanism of the acceptable molten state raw material flowed out from the first intercommunicating pore, guides and is also slided on supporter
The second extruder of the molten state raw material flowed out from the second intercommunicating pore can be moved and be subjected to along guide rail guide direction by being connected with
Structure；
The first above-mentioned extrusion mechanism includes squeezing out supporter with guiding supporter bottom plane mutually fixed first, and first squeezes out
It is provided on supporter and the first of the molten state raw material flowed out from the first intercommunicating pore is connected and be subjected to the first intercommunicating pore
The bottom in melt flow road, the first extrusion supporter is also equipped with the first extruder head being connected with the exhaust end in the first melt flow road；
The second above-mentioned extrusion mechanism includes the storage material supporter of guiding groove of being slidably connected and be arranged in guide rail, storage material support
The storage material slot arranged along guide rail guide direction and mutually connected, pusher groove are provided on body, and pusher groove is set to storage material slot
Bottom, and the guide surface of groove body and guide rail that storage material slot, pusher groove are constituted matches and the section of the groove body is T-shaped
Structure, the side that storage material supporter suspends end towards guide rail is provided with the avoid holes passed through for guide rail, from the second intercommunicating pore stream
The molten state raw material entered can flow into pusher groove, and the suspension end side of storage material supporter towards guide rail is provided with the second extrusion
Head, and the side at pusher groove towards guide rail suspension end is provided with the second melt flow road connected with the second extruder head inner cavity.
2. a kind of high-precision multiaxial type 3D printer according to claim 1, which is characterized in that reversing tube is connected to first
The power output part a of power supply mechanism, the first power supply mechanism further include connecting and can connecing with power output part a
It receives rotary force and rotary force is transferred to the power reception component a of power output part a, by power output part a driving commutations
Rotation of the pipe around own axes.
3. a kind of high-precision multiaxial type 3D printer according to claim 2, which is characterized in that the first power supply mechanism
Including driving motor a, power reception component a, rack a, power output part a, power reception component a, power output part a are equal
For spur gear, power reception component a is set to the output end of driving motor a and the rotation for receiving driving motor a outputs
Power, power output part a are fixedly sheathed in the outside of lower tube body, power reception component a, power output part a with rack a phases
Matching, rack a are used to receive the power that power reception component a is provided and power are transferred to power output part a.
4. a kind of high-precision multiaxial type 3D printer according to claim 1, which is characterized in that first squeezes out supporter
Bottom is additionally provided with the first mounting base for installing the first extruder head, and the inner cavity of the first mounting base connects with the first melt flow road
It is logical.
5. a kind of high-precision multiaxial type 3D printer according to claim 4, which is characterized in that the appearance of the first mounting base
Face is provided with external screw thread, and the internal thread to match with the external screw thread in the first mounting base is provided on the first extruder head.
6. a kind of high-precision multiaxial type 3D printer according to claim 1, which is characterized in that storage material supporter is also connected with
It is useful for the second power supply mechanism for driving it to be moved along guide rail guide direction, the second power supply mechanism includes and storage material branch
Support body it is mutually fixed and be extended along guide rail guide direction rack b, match with rack b and can the edges drive rack b lead
The power output part b of rail guide direction sliding, it receives rotary force and the power of rotary force can be transmitted to power output part b
Receiving part b.
7. a kind of high-precision multiaxial type 3D printer according to claim 6, which is characterized in that the second above-mentioned power supplies
It further includes driving motor b, gear b to answer mechanism, and power reception component b, power output part b are spur gear, power reception portion
Part b is installed on the output end of driving motor b and can receive the rotary force that driving motor b is provided, power reception component b and tooth
Wheel b is meshed and for transmitting rotary force, power output part b connect and moves synchronously with gear b coaxial lines, and power is defeated
Go out that component b is meshed with rack b and drive rack b is moved along the guide direction of guide rail.
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| CN201710688521.4A CN107351391B (en) | 2017-08-12 | 2017-08-12 | A kind of high-precision multiaxial type 3D printer |
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| CN201710688521.4A CN107351391B (en) | 2017-08-12 | 2017-08-12 | A kind of high-precision multiaxial type 3D printer |
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| CN107351391B true CN107351391B (en) | 2018-11-02 |
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| CN114474728B (en) * | 2022-01-26 | 2022-12-30 | 中国农业大学 | High-resolution printing nozzle transmission control mechanism, device, system and method |
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| CN103878980A (en) * | 2014-03-21 | 2014-06-25 | 浙江大学 | Three-dimensional printer with replaceable nozzle |
| CN104552959A (en) * | 2015-01-30 | 2015-04-29 | 江苏浩宇电子科技有限公司 | Rotary double-sprinkler device of three-dimensional (3D) printer |
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| US10245786B2 (en) * | 2014-12-17 | 2019-04-02 | Xerox Corporation | System for planarizing objects in three-dimensional object printing systems with reduced debris |
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|---|---|---|---|---|
| CN103878980A (en) * | 2014-03-21 | 2014-06-25 | 浙江大学 | Three-dimensional printer with replaceable nozzle |
| CN104552959A (en) * | 2015-01-30 | 2015-04-29 | 江苏浩宇电子科技有限公司 | Rotary double-sprinkler device of three-dimensional (3D) printer |
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