CN108568967A - The 3D printer of more nozzle printings - Google Patents
The 3D printer of more nozzle printings Download PDFInfo
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- CN108568967A CN108568967A CN201810792840.4A CN201810792840A CN108568967A CN 108568967 A CN108568967 A CN 108568967A CN 201810792840 A CN201810792840 A CN 201810792840A CN 108568967 A CN108568967 A CN 108568967A
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- print platform
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- 238000007639 printing Methods 0.000 title claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 127
- 230000001360 synchronised effect Effects 0.000 claims description 16
- 230000033001 locomotion Effects 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 230000008450 motivation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000002452 interceptive effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000010727 cylinder oil Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
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- 238000007906 compression Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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- 238000007493 shaping process Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/112—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/118—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/205—Means for applying layers
- B29C64/209—Heads; Nozzles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/227—Driving means
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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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
Abstract
The present invention is a kind of 3D printer of more nozzle printings, including shell, print platform is installed in shell, Z axis driving mechanism, Y-axis driving mechanism, Y-axis kinematic nest, Y-axis guiding mechanism, X-axis driving mechanism, nozzle component, Z axis driving mechanism driving print platform moves up and down, Y-axis driving mechanism, Y-axis kinematic nest, Y-axis guiding mechanism, X-axis driving mechanism, nozzle component is arranged above print platform, Y-axis kinematic nest is slidably arranged on Y-axis guiding mechanism, Y-axis driving mechanism driving Y-axis kinematic nest moves along Y-axis guiding mechanism and Y-axis kinematic nest is followed to move, X-axis driving mechanism driving nozzle component moves left and right and Y-axis kinematic nest is followed to move in the X-axis direction, nozzle component is connect with X-axis driving mechanism；Nozzle component is equipped with two or more, and nozzle component divides the print area of print platform.The present invention can print multiple models or collaboration printing same model simultaneously, improve print speed and efficiency.
Description
Technical field
The present invention relates to 3D printing technique fields, and in particular to a kind of 3D printer of more nozzle printings.
Background technology
It is exactly to cure material melts, finally after being squeezed out by print head at liquid for FDM technology is popular using high temperature
The arrangement form three-dimensional real object on solid space.The principle of FDM 3D printers：Heat nozzle under control of the computer, according to
The section profile information of product parts makees X-Y plane movement, and thermoplasticity filamentary material is sent by silk supplying machine structure to hot melt nozzle, and
Semi liquid state is heated and be fused into the showerhead, then is extruded out, is selectively coated on the table, after being quickly cooled down
Form the sheet profiles of one layer of about 0.127mm thickness.The molding of one layer cross section completes aftertable and declines certain altitude, then carries out down
One layer of cladding so recycles as " drawing " cross section profile from level to level, ultimately forms three-dimensional objects part.
Usually all it is that only there are one nozzles, or nozzle works one at a time in FDM 3D printers on the market at present,
Which results in the efficiency of printing and speed are very slow, this, which is also the current most people 3D printer that denounces, does not have practical function
One of the reason of.When printing large product, the obvious shaping speed of printer of nozzle work is slower there are one, causes to produce
Efficiency is slow, cannot be satisfied the market demand.
Invention content
For above deficiency, invention provides a kind of 3D printer of more nozzle printings, including shell, is installed in shell
There are print platform, Z axis driving mechanism, Y-axis driving mechanism, Y-axis kinematic nest, Y-axis guiding mechanism, X-axis driving mechanism, nozzle group
Part, the print platform are connect with Z axis driving mechanism, and the Z axis driving mechanism driving print platform moves up and down, the Y-axis
Driving mechanism, Y-axis kinematic nest, Y-axis guiding mechanism, X-axis driving mechanism, nozzle component are arranged above print platform, the Y
Axis kinematic nest is slidably arranged on Y-axis guiding mechanism, and the Y-axis driving mechanism connect with Y-axis kinematic nest and Y-axis is followed to move
Seat movement, the Y-axis driving mechanism driving Y-axis kinematic nest are moved along Y-axis guiding mechanism, and the X-axis driving mechanism is moved with Y-axis
Seat connects and Y-axis kinematic nest is followed to move, and the nozzle component is connect with X-axis driving mechanism, the X-axis driving mechanism driving spray
Head assembly moves left and right in the X-axis direction；The Y-axis driving mechanism is equipped with two or more, and the X-axis driving mechanism is correspondingly provided with
Two or more, the nozzle component divide the print area of print platform.
To further realize the present invention, the Y-axis driving mechanism include y-axis motor, synchronizing wheel, front pulley, rear belt wheel and
Tension band, the y-axis motor, front pulley and rear belt wheel are each attached in Y-axis kinematic nest, and the synchronizing wheel is connect with y-axis motor,
The synchronizing wheel, front pulley and rear belt wheel are arranged in the same side and are respectively distributed to y-axis motor the both sides of Y-axis kinematic nest, institute
It states front pulley and rear belt wheel is symmetrically arranged at the both sides of synchronizing wheel, the synchronizing wheel, front pulley and rear belt wheel are at triangle point
Cloth, the synchronizing wheel, front pulley and rear belt wheel with tension band be sequentially connected and it is V-shaped.
To further realize the present invention, Y-axis driving mechanism includes the 4th motor, Y-axis gear shaft, Y-axis rack, the 4th motor
It is fixed in Y-axis kinematic nest, the output axis connection of Y-axis gear shaft and the 4th motor, Y-axis gear shaft is engaged with Y-axis rack, Y-axis
The both ends of rack are fixedly connected with front side board and back side panel respectively.
To further realize the present invention, the X-axis driving mechanism include X-axis motor, X-axis synchronous belt, two X-axis belt wheels and
Sliding rail, the X-axis motor are arranged in Y-axis kinematic nest and are arranged in the same side, one of X-axis belt wheel and X-axis with y-axis motor
The output axis connection of motor, another X-axis belt wheel are arranged on nozzle component, the X-axis synchronous belt and two X-axis belt wheel transmissions
Connection, the nozzle component are slidably arranged on sliding rail, and the nozzle component is fixedly connected with X-axis synchronous belt.
To further realize the present invention, the nozzle component includes nozzle and attachment device, the nozzle and attachment device
It is connected by articulated manner, is equipped with arrangement of clutch, the clutch at the hinge bar of nozzle between nozzle and attachment device
Device is separable, and the arrangement of clutch is two magnet, respectively the first magnetic pole and the second magnetic pole, and the first magnetic pole setting exists
On nozzle, the second magnetic pole setting is loaded onto in connection, and two magnet pass through opposite polarity mode two magnet of attracting setting
By the attracting setting of opposite polarity mode and nozzle is made to be bonded with attachment device.
To further realize the present invention, the Z axis driving mechanism includes Z axis motor, lead screw, and the Z axis motor setting exists
Below print platform, the output axis connection of the lead screw and Z axis motor, the lead screw passes perpendicularly through print platform and is put down with printing
Platform connects, and drives the rotation of lead screw to drive print platform to move up and down by the rotation of Z axis motor；The lead screw is extremely
There are two setting less and symmetrical, the lead screw is distributed in the centre position at left and right sides of print platform, wherein a lead screw and Z
Spindle motor connects, and another lead screw synchronizes band connection by Z axis, is corresponded between Z axis motor and print platform on two lead screws
It is both provided with Z axis belt wheel, Z axis synchronous belt is connect with two Z axis belt wheel transmissions, is connected by belt and is realized that Z axis motor drives two
Root lead screw rotates, so as to moving up and down for more stable drive print platform.
To further realize the present invention, the shell includes bottom plate, left plate, right plate, front side board and back side panel.
To further realize the present invention, the first mounting plate, first installation are provided between bottom plate and print platform
The both ends of plate are fixedly connected with front side board and back side panel respectively, and the lead screw passes through the first mounting plate, in the first mounting plate and are beaten
It is provided with partition board between print platform, the belt wheel is provided with the between the first mounting plate and partition board above print platform
The both ends of two mounting plates, second mounting plate are fixedly connected with front side board and back side panel respectively, and the upper end of the lead screw passes through
Second mounting plate is respectively perpendicular the second guide rod there are four settings on four angles of corresponding print platform, second guide rod
Lower end is connect with the first mounting plate, and the upper end of second guide rod is connect across print platform with the second mounting plate.
To further realize the present invention, the Y-axis driving mechanism sets there are four and is distributed in two-by-two the both sides of print platform,
Two Y-axis driving mechanisms per side share a tension band, the both ends of the tension band respectively with front side board and back side panel
It is fixedly connected.
To further realize the present invention, the Y-axis guiding mechanism includes at least one first guide rod, first guide rod
Both ends are connect with shell, and one end of first guide rod is fixedly connected with front side board, and the other end of first guide rod passes through
Two Y-axis kinematic nests are connect with back side panel；The Y-axis guiding mechanism is corresponded to there are two the settings of Y-axis driving mechanism and is distributed in and beats
Print the both sides of platform.
Beneficial effects of the present invention：
1, of the invention X-axis driving mechanism and Y-axis driving mechanism are arranged in Y-axis kinematic nest, X-axis driving mechanism and
Y-axis driving mechanism can independent control, wherein Y-axis driving mechanism drives the movement of Y-axis kinematic nest, X-axis driving mechanism to follow Y-axis
Kinematic nest moves, and each nozzle component is corresponding with individual Y-axis driving mechanism, Y-axis kinematic nest and X-axis driving mechanism,
When printing, can independent control single nozzle component work, the nozzle of multiple nozzle components is simultaneously operable and non-interference, nothing
A driving mechanism need to be shared with other nozzles, therefore the multiple and different model of more nozzle printings may be implemented in the present invention, also may be used
To cooperate one large-scale the model of printing, a model can only be printed compared to an existing printer, the present invention can
It is worked at the same time with multiple nozzles, in same time, the present invention can complete multiple models, and print speed and efficiency can then improve
Very much.
2, it is set as turntable in the nozzle of nozzle component in the present invention, nozzle is hinged with attachment device, when multiple
When nozzle collides at work, under the action of the impact force of collision, nozzle rotates, and is moved towards Impact direction,
It avoids directly bumping against between nozzle and breaks nozzle；Since nozzle needs the motion state of held stationary at work, cutting with scissors
Connect junction and be correspondingly provided with anti-rotation structure, by be arranged arrangement of clutch by nozzle it is attracting with attachment device together with prevent nozzle turn
It is dynamic.The present invention has the function of anticollision buffering, prevents nozzle from being damaged since stress is excessive, is conducive in print procedure, when
When nozzle bumps against, reason nozzle does not damage and influences print job.
Description of the drawings
Fig. 1 is the overall structure diagram of embodiment one；
Fig. 2 is the exploded perspective view of embodiment one；
Fig. 3 is the structural schematic diagram of the enclosure interior part of embodiment one；
Fig. 4 is the enlarged diagram of the nozzle component of Fig. 3；
Fig. 5 is the structural schematic diagram of nozzle component；
Fig. 6 is the structural schematic diagram of Y-axis driving mechanism in embodiment one；
Fig. 7 is the region division schematic diagram of more nozzle component collaboration printing same models in embodiment one；
Fig. 8 is the structural schematic diagram of Y-axis driving mechanism in embodiment two.
Reference sign：1. shell；101. bottom plate；102. left plate；103. right plate；
104. front side board；105. back side panel；2. print platform；3.Z axis driving mechanisms；
301.Z spindle motor；302. lead screw；4.Y axis driving mechanisms；401.Y spindle motor；
402. synchronizing wheel；403. front pulley；Belt wheel after 404.；405. tension band；
406.Y shaft gear axis；407.Y axis racks；5.Y axis kinematic nests；6. the first guide rod；
7.X axis driving mechanisms；701.X spindle motor；702. sliding rail；703.X axis synchronous belts；
8. nozzle component 8；801. nozzle；802. attachment device；803. hinge bar；
804. first magnetic poles；805. second magnetic poles；9. fixed block；10. the first mounting plate；
11. partition board；12. the second guide rod；13. the second mounting plate.
Specific implementation mode
For convenience of description, hereafter described in direction it is consistent with the direction in attached drawing.
Embodiment one
The present embodiment is described further with Fig. 7 referring to Fig.1.
The 3D printer of more nozzle printings of the present embodiment includes shell 1, and print platform 2, Z axis are equipped in shell 1
Driving mechanism 3, Y-axis driving mechanism 4, Y-axis kinematic nest 5, Y-axis guiding mechanism, X-axis driving mechanism 7, nozzle component 8, wherein beat
Print platform 2 is connect with Z axis driving mechanism 3, and Z axis driving mechanism 3 drives print platform 2 to move up and down, Y-axis driving mechanism 4, Y-axis
Kinematic nest 5, Y-axis guiding mechanism, X-axis driving mechanism 7, nozzle component 8 are arranged at 2 top of print platform, and Y-axis kinematic nest 5 can
It is slidably arranged on Y-axis guiding mechanism, Y-axis driving mechanism 4 connect with Y-axis kinematic nest 5 and Y-axis kinematic nest 5 is followed to move, Y-axis
Driving mechanism 4 drives Y-axis kinematic nest 5 to be moved along Y-axis guiding mechanism, and X-axis driving mechanism 7 connect with Y-axis kinematic nest 5 and follows Y
Axis kinematic nest 5 moves, and nozzle component 8 is connect with X-axis driving mechanism 7, and X-axis driving mechanism 7 drives nozzle component 8 in X-direction
On move left and right.
Cylinder or hydraulic oil cylinder driving can be used there are many type of drive in Z axis driving mechanism 3, and the drive of lead screw 302 can also be used
It is dynamic.In the present embodiment, Z axis driving mechanism 3 includes Z axis motor 301, lead screw 302, and Z axis motor 301 is arranged under print platform 2
Side, the output axis connection of lead screw 302 and Z axis motor 301, lead screw 302 pass perpendicularly through print platform 2 and are connect with print platform 2,
Drive the rotation of lead screw 302 to drive print platform 2 to move up and down by the rotation of Z axis motor 301.It is flat in order to move
Weighing apparatus, lead screw 302 is at least provided with two and symmetrical, and in the present embodiment, lead screw 302 is distributed in 2 left and right sides of print platform
Centre position, wherein a lead screw 302 is connect with Z axis motor 301, another lead screw 302 synchronizes band connection by Z axis, two
It is corresponded on root lead screw 302 and is both provided with Z axis belt wheel between Z axis motor 301 and print platform 2, Z axis synchronous belt and two Z axis bands
Wheel is sequentially connected, and is connected by belt and realizes that Z axis motor 301 drives two lead screws 302 to rotate, beaten so as to more stable drive
Print platform 2 moves up and down.Nozzle 801 is opposite when the present embodiment is by controlling the lifting of print platform 2, and then realizing printing beats
Print the relative motion in the Z-axis direction of platform 2.
Shell 1 include bottom plate 101, left plate 102, right plate 103, front side board 104 and back side panel 105, bottom plate 101 with
Be provided with the first mounting plate 10 between print platform 2, the both ends of first mounting plate 10 respectively with front side board 104 and back side panel
105 are fixedly connected, and two lead screws 302 both pass through the first mounting plate 10, are provided between the first mounting plate 10 and print platform 2
Partition board 11, for belt wheel between the first mounting plate 10 and partition board 11, partition board 11 can stop the component of 11 lower section of partition board, have beauty
Effect, while the components such as motor that can also protect the lower section of partition board 11 are not by the pollution of extraneous dust and other substances.It is printing
2 top of platform is provided with the second mounting plate 13, and the both ends of the second mounting plate 13 are fixed with front side board 104 and back side panel 105 respectively
The upper end of connection, two lead screws 302 passes through the second mounting plate 13, flat in corresponding printing to keep the movement of print platform 2 more steady
Setting is respectively perpendicular on four angles of platform 2 there are four the second guide rod 12, the lower end of the second guide rod 12 is connect with the first mounting plate 10,
The upper end of second guide rod 12 is connect across print platform 2 with the second mounting plate 13.
For Y-axis driving mechanism 4 for driving Y-axis kinematic nest 5 to move, Y-axis driving mechanism 4 can realize 3D at least provided with two
More nozzles 801 of printer are arranged, naturally it is also possible to there are one setting.If when there are one, it is correspondingly provided with a nozzle component 8, this
When nozzle component 8 correspond to the print area of entire print platform 2；When Y-axis driving mechanism 4 is equipped with two or more, nozzle component 8
The print area of print platform 2 is divided, when multiple nozzles 801, which need to carry out collaboration, prints the same model, is printed to realize
The seamless connection of model, the single nozzle 801 of collaborative work need to cross the boundary position between region and be beaten to other print areas
Print.In the present embodiment, there are four Y-axis driving mechanism 4 is set, it is distributed in the left and right sides of 2 top of print platform, nozzle component two-by-two
8 are correspondingly provided with four and print platform 2 are divided into four print areas.
Y-axis driving mechanism 4 includes y-axis motor 401, synchronizing wheel 402, front pulley 403, rear belt wheel 404 and tension band 405, Y
Spindle motor 401, front pulley 403 and rear belt wheel 404 are each attached in Y-axis kinematic nest 5, wherein synchronizing wheel 402 and y-axis motor 401
Connection, synchronizing wheel 402, front pulley 403 and the setting of rear belt wheel 404 are respectively distributed to Y-axis fortune in the same side and with y-axis motor 401
The both sides of dynamic seat 5, front pulley 403 and rear belt wheel 404 are symmetrically arranged at the both sides of synchronizing wheel 402 and are located at synchronizing wheel 402
Top, synchronizing wheel 402, front pulley 403 and rear belt wheel 404 are at angular distribution, synchronizing wheel 402, front pulley 403 and rear belt wheel
Tension band 405 is tensioned into V-type by 404, is sequentially connected as shown in Figure 6.Since Y-axis driving mechanism 4 is set there are four and is divided two-by-two
For cloth in the both sides of print platform 2, two Y-axis driving mechanisms 4 per side share a tension band 405, at this point, tension band 405
Both ends are fixedly connected with front side board 104 and back side panel 105 respectively；Similarly, when the Y-axis driving mechanism 4 of the same side set there are three with
When upper, and shared the same tension band 405.
Y-axis guiding mechanism can be shape between guide rail form cooperation or axis and hole with being slidably matched for Y-axis kinematic nest 5
At being slidably matched.In the present embodiment, by the way of axis and hole cooperation, Y-axis guiding mechanism corresponds to Y-axis driving mechanism 4 and is provided with
Two and the both sides of print platform 2 are distributed in, Y-axis guiding mechanism includes at least one first guide rod 6, the both ends of the first guide rod 6
It is connect with shell 1, one end of the first guide rod 6 is fixedly connected with front side board 104, and the other end passes through two Y-axis kinematic nests 5 with after
Side plate 105 connects, and to make the sliding of Y-axis kinematic nest 5 more stablize, the first guide rod 6 sets there are two and is arranged in parallel.
The position for corresponding to the first guide rod 6 and tension band 405 on front side board 104 and back side panel 105 is equipped with fixed block 9,
First guide rod 6 and tension band 405 are fixedly connected with front side board 104 and back side panel 105 by fixed block 9 respectively.
The operation principle of Y-axis driving mechanism 4：When Y-axis kinematic nest 5 to be realized is moved toward 105 direction of back side panel, Y-axis electricity
Machine 401 is started to work toward (rotation direction as shown in FIG. 6) is rotated counterclockwise, and synchronizing wheel 402 rotates therewith, due to tension band
405 both ends are fixed, therefore synchronizing wheel 402 can press to the tension band 405 close to 105 side of back side panel in rotation, due to same
The length of tension band 405 between step wheel 402 and rear belt wheel 404 is constant, and the tension band 405 of the compression is applied to rear belt wheel 404
Belt wheel 404 is moved toward 105 direction of back side panel after upper promotion, and then belt wheel 404 and Y-axis kinematic nest 5 are fixed, then Y-axis kinematic nest 5 with
Toward 105 direction of back side panel move；Similarly, it is moved toward 104 direction of front side board to realization Y-axis kinematic nest 5, then y-axis motor 401
It starts to work toward rotating clockwise, belt wheel 404 is transported toward 104 direction of front side board after tension band 405 makes under the action of synchronizing wheel 402
Dynamic, Y-axis kinematic nest 5 is moved toward 104 direction of front side board therewith.Further, X-axis driving mechanism 7 is arranged in Y-axis kinematic nest 5,
It moves and moves with Y-axis kinematic nest 5.
Certainly, front pulley 403 and rear belt wheel 404 can also be arranged in the lower section of synchronizing wheel 402, when setting is in synchronizing wheel
When 402 lower section, operation principle is similar with operation principle in the top of synchronizing wheel 402 is arranged.
Cylinder or hydraulic oil cylinder driving can be used there are many type of drive in X-axis driving mechanism 7, and the driving of lead screw 302 can also be used
Or belt driving.In the present embodiment, X-axis driving mechanism 7 includes X-axis motor 701, X-axis synchronous belt 703, two X-axis belt wheels and cunnings
Rail 702, X-axis motor 701 are arranged in Y-axis kinematic nest 5 and are arranged in the same side, one of X-axis belt wheel with y-axis motor 401
With the output axis connection of X-axis motor 701, another X-axis belt wheel is arranged on nozzle component 8, X-axis synchronous belt 703 and two X-axis
Belt wheel transmission connects, and nozzle component 8 is slidably arranged on sliding rail 702, and nozzle component 8 is fixedly connected with X-axis synchronous belt 703,
Drive nozzle component 8 on sliding rail 702 by the rotation of the output shaft of X-axis motor 701 drives X-axis synchronous belt 703 to rotate
The movement of nozzle component 8 in the X-axis direction is realized in sliding.
Nozzle component 8 includes nozzle 801 and attachment device 802, and nozzle 801 is connected with attachment device 802 by articulated manner
It connects, when more nozzles 801 work, multiple nozzles 801 are in the same horizontal position, i.e. the Z axis coordinate of multiple nozzles 801 is consistent.For
It collides when preventing multiple nozzles 801 from working and breaks nozzle 801, it is close between nozzle 801 and attachment device 802
Arrangement of clutch is equipped at the hinge bar 803 of nozzle 801, the movable separation of the arrangement of clutch, in the present embodiment, arrangement of clutch passes through
Magnetic mode realizes that arrangement of clutch is two magnet, and respectively the first magnetic pole 804 and the second magnetic pole 805, the first magnetic pole 804 are set
It sets on nozzle 801, the second magnetic pole 805 is arranged in attachment device 802, and the first magnetic pole 804 and the second magnetic pole 805 pass through polarity
The attracting setting of opposite mode simultaneously makes nozzle 801 be bonded with attachment device 802.When two nozzles 801 bump against, nozzle
801 and/or 802 stress of attachment device, make the first originally attracting magnetic pole 804 and the separation of 805 stress of the second magnetic pole, nozzle 801
It rotates, and then can avoid two nozzles 801 and continue to collide, and in the stress at that time that collides and little, it is not enough to hit
Bad nozzle 801 influences printing, then 801 spinning reduction of nozzle by will rotate manually.Since nozzle 801 is in print procedure
In, nozzle 801 need to be steadily arranged, and usual nozzle 801 is fixed setting, and in the present embodiment, multiple nozzles 801 hold when working
It easily collides, is easy to break nozzle, therefore the nozzle 801 of the present embodiment and attachment device 802 if nozzle 801 is fixedly installed
It is equipped with arrangement of clutch to make 801 steady operation of nozzle for rotation connection, for preventing nozzle 801 from rotating at work,
And then print quality is influenced, arrangement of clutch, which is consolidated nozzle by magnetic mode, to be arranged in attachment device 802, then not outer
Under force effect, nozzle 801 is not easy to rotate or occur other movements, and the arrangement of clutch of the present embodiment is the first magnetic pole 804 and the
Two magnetic poles 805, naturally it is also possible to it is attracting or use electromagnet is attracting for magnet and iron plate, but two magnet phases in the present embodiment
Suction is inhaled than magnet and the attracting suction bigger of iron plate, and the connection of nozzle and attachment device is more stable.
When printer model, the set-up of control system parameter mode of 3D printer, 4 nozzles 801 divide print area
For 4 regions, printer both can disposably print 4 different models, can also cooperate one large-scale mould of printing
Type.
When 4 correspondences of nozzle 801 play 4 models, a nozzle 801 corresponds to a model area, will not occur in this way
The case where interfering with each other.When printing, each nozzle 801 corresponds to the model that printing is accordingly arranged, and the printing of each nozzle 801 is corresponding not
With one layer of time of object possible different, a dozen this complete layers when nozzle 801, other three nozzles 801 have been beaten not yet
When, automatic Aligning control, other 3 nozzles 801 of waiting have printed this layer to nozzle 801 simultaneously for a moment, then carry out next dynamic
Make, prints next layer, other nozzles 801 are same similar, all covered until 4 nozzles 801 obtain path in this layer；4 nozzles
801 Z axis synchronizes, and when Z axis call instruction, while when instruction will print next layer and obtain, Z axis just starts to act.In simple terms：When
When nozzle 801 needs Z axis to move, control system provides signal 1, and signal 0 is provided when need not moving, when 4 sprays
First 801 send out instruction 1111 when, the distance of Z axis ability one thickness of setting in motion is when 4 nozzles 801 send out call instruction
1110 when, Z axis will not move.
As shown in fig. 7, when 4 nozzles 801 print a large-scale model, in the central point of model, there is one
Cross region can have the case where interfering with each other when being printed in this region, so in order to avoid such case occurs, printing
The control system setting of machine is as follows：When print track is in the region printing except cross range, all normal work of all nozzles 801
Make；When print track is within the scope of cross, print job is responsible for by nozzle a and nozzle d, remaining nozzle returns origin waiting
Order, within the nozzle a working times, nozzle d equally returns origin, waits for nozzle a work to complete, after nozzle a completes work
The left region for failing to complete is printed by nozzle d again, until this layer is completed in printing, then starts next layer of printing, with this
Back and forth；This makes it possible to effectively avoid nozzle 801 uncontrolled, cause to send out the case where interfering with each other impaction lesion mechanical structure
It is raw.Certainly, when print track is within the scope of cross, can also print job be only responsible for by a nozzle 801, remaining nozzle
801 recurrence origins are waited for instructions, and complete this layer until printing, then start next layer of printing, reciprocal with this.In print procedure
In, the control system of printer can give each nozzle 801 to distribute print area and calculate the print path of each nozzle 801
Diameter prevents from colliding between nozzle 801.When nozzle 801 collides, other nozzles 801 not rotated can work on,
Do not influence print job.
It should be noted that the nozzle 801 of the present embodiment is equipped with 4, it is multiple it is also possible to increase more nozzles 801
Nozzle 801 is distributed in both sides, per side at least provided with one, it is of course also possible to be provided entirely in side.X, Y of each nozzle 801
Axis movement can independent control, driven by independent X-axis driving mechanism 7 and Y-axis driving mechanism 4, will not cause to interfere mutually,
It is possible thereby to be arranged while ensureing multiple nozzles 801 and control, 801 Collaborative Control of more nozzles is realized, it both can be disposable
Multiple and different models is printed, one large-scale the model of printing can also be cooperated so that print speed compares common print
It is confidential fast very much.
In addition, it should also be noted that, in the present embodiment, the cooperation of Z axis synchronous belt and Z axis belt wheel, tension band 405 with it is same
The cooperation of 402 cooperation of step wheel, X-axis synchronous belt 703 and two X-axis belt wheels is engaged transmission.
Embodiment two
The 3D printer of the present embodiment is that Y-axis driving mechanism 4 is different from the Y-axis driving mechanism 4 in embodiment one, other
Structure is without modification.
As shown in figure 8, the Y-axis driving mechanism 4 of the present embodiment includes the 4th motor, Y-axis gear shaft 406, Y-axis rack 407,
4th motor is fixed in Y-axis kinematic nest 5, the output axis connection of Y-axis gear shaft 406 and the 4th motor, Y-axis gear shaft 406 and Y
Axis rack 407 engages, and the both ends of Y-axis rack 407 are fixedly connected with front side board 104 and back side panel 105 respectively.In the present embodiment, Y
Axis rack 407 is arranged in the upper end of Y-axis gear shaft 406, and certainly, Y-axis rack 407 can also be arranged under Y-axis gear shaft 406
End.
The Y-axis driving mechanism 4 of 3D printer at least provided with one, Y-axis driving mechanism 4 set there are one when, nozzle component 8 is right
Answer the print area of entire print platform 2；Corresponding when Y-axis driving mechanism 4 is equipped with multiple, multiple nozzle components 8 are flat by printing
Platform 2 is divided into multiple print areas.
Y-axis driving mechanism 4 sets there are four and is distributed in two-by-two the both sides of print platform 2, two Y per side in the present embodiment
Axis driving mechanism 4 shares a Y-axis rack 407, and nozzle component 8 is correspondingly provided with four and print platform 2 is divided into four printings
Region；Similarly, when the Y-axis driving mechanism 4 of the same side set there are three it is above when, and share the same Y-axis rack 407.Certainly,
Multiple Y-axis driving mechanisms 4 may also be arranged on the same side.
The fortune work(principle of Y-axis driving mechanism 4 in the present embodiment：When Y-axis kinematic nest 5 to be realized is transported toward 105 direction of back side panel
When dynamic, the 4th motor is started to work toward rotating clockwise, and synchronizing wheel 402 rotates therewith, since the both ends of Y-axis rack 407 are fixed,
Therefore Y-axis gear shaft 406 can be moved in rotation on Y-axis rack 407, and be moved towards 105 direction of back side panel, correspondingly,
Since the 4th motor is fixed in Y-axis kinematic nest 5, then Y-axis kinematic nest 5 is moved toward 105 direction of back side panel therewith；Similarly, to
Realize that Y-axis kinematic nest 5 is moved toward 104 direction of front side board, then y-axis motor 401 is started to work (as shown in Figure 8 toward rotating counterclockwise
Rotation direction), Y-axis gear shaft 406 rotation when can be moved on Y-axis rack 407, and towards 104 direction of front side board move,
Then Y-axis kinematic nest 5 is moved toward 105 direction of front side board therewith.
The foregoing is merely the better embodiments of the present invention, and the invention is not limited in the above embodiments, are implementing
There may be the changes of partial structurtes in the process, if to the present invention various changes or modifications do not depart from the present invention spirit and
Range, and belong within the scope of the claim and equivalent technologies of the present invention, then the present invention is also intended to comprising these changes and becomes
Type.
Claims (10)
1. a kind of 3D printer of more nozzle printings, including shell, are equipped with print platform, Z axis driving mechanism, Y in shell
Axis driving mechanism, Y-axis kinematic nest, Y-axis guiding mechanism, X-axis driving mechanism, nozzle component, it is characterised in that：The print platform
It is connect with Z axis driving mechanism, the Z axis driving mechanism driving print platform moves up and down, the Y-axis driving mechanism, Y-axis movement
Seat, Y-axis guiding mechanism, X-axis driving mechanism, nozzle component are arranged above print platform, and the Y-axis kinematic nest is slidably set
It sets on Y-axis guiding mechanism, the Y-axis driving mechanism connect with Y-axis kinematic nest and Y-axis kinematic nest is followed to move, and the Y-axis is driven
Motivation structure driving Y-axis kinematic nest is moved along Y-axis guiding mechanism, and the X-axis driving mechanism connect with Y-axis kinematic nest and follows Y-axis
Kinematic nest moves, and the nozzle component is connect with X-axis driving mechanism, and the X-axis driving mechanism drives nozzle component in X-direction
On move left and right；The Y-axis driving mechanism is equipped with two or more, and the X-axis driving mechanism is correspondingly provided with two or more, the spray
Head assembly is equipped with two or more, and the nozzle component divides the print area of print platform.
2. the 3D printer of more nozzle printings according to claim 1, it is characterised in that：The Y-axis driving mechanism includes Y
Spindle motor, synchronizing wheel, front pulley, rear belt wheel and tension band, the y-axis motor, front pulley and rear belt wheel are each attached to Y-axis movement
On seat, the synchronizing wheel is connect with y-axis motor, and the synchronizing wheel, front pulley and rear belt wheel are arranged in the same side and and y-axis motor
The both sides of Y-axis kinematic nest are respectively distributed to, the front pulley and rear belt wheel are symmetrically arranged at the both sides of synchronizing wheel, described same
At angular distribution, the synchronizing wheel, front pulley and rear belt wheel are sequentially connected with tension band and are in for step wheel, front pulley and rear belt wheel
V-type.
3. the 3D printer of more nozzle printings according to claim 1, it is characterised in that：Y-axis driving mechanism includes the 4th
Motor, Y-axis gear shaft, Y-axis rack, the 4th motor are fixed in Y-axis kinematic nest, the output shaft of Y-axis gear shaft and the 4th motor
Connection, Y-axis gear shaft are engaged with Y-axis rack, and the both ends of Y-axis rack are fixedly connected with front side board and back side panel respectively.
4. the 3D printer of more nozzle printings according to claim 2 or 3, it is characterised in that：The X-axis driving mechanism packet
X-axis motor, X-axis synchronous belt, two X-axis belt wheels and sliding rail are included, the X-axis motor is arranged in Y-axis kinematic nest and and y-axis motor
Setting is arranged in the same side, the output axis connection of one of X-axis belt wheel and X-axis motor, another X-axis belt wheel in nozzle component
On, the X-axis synchronous belt is connect with two X-axis belt wheel transmissions, and the nozzle component is slidably arranged on sliding rail, the nozzle
Component is fixedly connected with X-axis synchronous belt.
5. the 3D printer of more nozzle printings according to claim 4, it is characterised in that：The nozzle component includes nozzle
And attachment device, the nozzle are connect with attachment device by articulated manner, close to nozzle between nozzle and attachment device
Arrangement of clutch is equipped at hinge bar, the arrangement of clutch is separable, and the arrangement of clutch is two magnet, respectively the first magnetic pole
With the second magnetic pole, first magnetic pole is arranged on nozzle, and second magnetic pole is arranged in attachment device, and two magnet pass through
Opposite polarity mode two magnet of attracting setting are by the attracting setting of opposite polarity mode and keep nozzle steady with attachment device
It is solidly connected.
6. the 3D printer of more nozzle printings according to claim 5, it is characterised in that：The Z axis driving mechanism includes Z
Spindle motor, lead screw, the Z axis motor are arranged below print platform, and the output axis connection of the lead screw and Z axis motor is described
Lead screw passes perpendicularly through print platform and is connect with print platform, by Z axis motor rotation so that drive lead screw rotation thus
Driving print platform moves up and down；The lead screw is at least provided with two and symmetrical, and the lead screw is distributed in a print platform left side
The centre position of right both sides, wherein a lead screw is connect with Z axis motor, another lead screw synchronizes band connection by Z axis, at two
It is corresponded on lead screw and is both provided with Z axis belt wheel between Z axis motor and print platform, Z axis synchronous belt and two Z axis belt wheel transmissions connect
It connects, is connected by belt and realize that Z axis motor drives two lead screw rotations, so as to be moved down on more stable drive print platform
It is dynamic.
7. the 3D printer of more nozzle printings according to claim 6, it is characterised in that：The shell includes bottom plate, a left side
Side plate, right plate, front side board and back side panel.
8. the 3D printer of more nozzle printings according to any one of claim 7, it is characterised in that：In bottom plate and printing
The first mounting plate is provided between platform, the both ends of first mounting plate are fixedly connected with front side board and back side panel respectively, institute
It states lead screw and passes through the first mounting plate, partition board is provided between the first mounting plate and print platform, the belt wheel is located at the first peace
Between loading board and partition board, be provided with the second mounting plate above print platform, the both ends of second mounting plate respectively with front side
Plate is fixedly connected with back side panel, and the upper end of the lead screw passes through the second mounting plate, on four angles of corresponding print platform respectively
It is vertically arranged there are four the second guide rod, the lower end of second guide rod is connect with the first mounting plate, the upper end of second guide rod
It is connect with the second mounting plate across print platform.
9. the 3D printer of more nozzle printings according to claim 8, it is characterised in that：The Y-axis driving mechanism is equipped with
Four and it is distributed in the both sides of print platform two-by-two, two Y-axis driving mechanisms per side share a tension band, described
The both ends of taut band are fixedly connected with front side board and back side panel respectively.
10. the 3D printer of more nozzle printings according to claim 9, it is characterised in that：The Y-axis guiding mechanism includes
The both ends of at least one first guide rod, first guide rod are connect with shell, and one end of first guide rod and front side board are solid
Fixed connection, the other end of first guide rod are connect across two Y-axis kinematic nests with back side panel；The Y-axis guiding mechanism corresponds to Y
There are two the settings of axis driving mechanism and is distributed in the both sides of print platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810792840.4A CN108568967A (en) | 2018-07-18 | 2018-07-18 | The 3D printer of more nozzle printings |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810792840.4A CN108568967A (en) | 2018-07-18 | 2018-07-18 | The 3D printer of more nozzle printings |
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| CN108568967A true CN108568967A (en) | 2018-09-25 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810792840.4A Pending CN108568967A (en) | 2018-07-18 | 2018-07-18 | The 3D printer of more nozzle printings |
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| CN109895390A (en) * | 2019-03-25 | 2019-06-18 | 北京矩阵空间科技有限公司 | Cooperate with the 3D printing device of parallel more spray heads |
| CN110497613A (en) * | 2019-09-25 | 2019-11-26 | 岭南师范学院 | A kind of composite material 3D printer and Method of printing |
| CN110524881A (en) * | 2019-09-29 | 2019-12-03 | 全南创想科技有限公司 | A kind of double print head 3D printer motion structures |
| CN110732670A (en) * | 2019-12-05 | 2020-01-31 | 安徽省春谷3D打印智能装备产业技术研究院有限公司 | aluminum alloy multi-nozzle 3D printing device |
| CN110901064A (en) * | 2019-12-19 | 2020-03-24 | 广东凯宝机器人科技有限公司 | Novel 3D printer |
| CN111347674A (en) * | 2020-03-30 | 2020-06-30 | 上海市黄浦区劳动技术教育中心 | Electromagnetic matrix printer |
| CN113665111A (en) * | 2021-08-12 | 2021-11-19 | 深圳市洋明达科技有限公司 | 3D printer |
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