CN109016070B - Double spray head extruded type ceramics 3D printers and its Method of printing - Google Patents
Double spray head extruded type ceramics 3D printers and its Method of printing Download PDFInfo
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- CN109016070B CN109016070B CN201811144878.7A CN201811144878A CN109016070B CN 109016070 B CN109016070 B CN 109016070B CN 201811144878 A CN201811144878 A CN 201811144878A CN 109016070 B CN109016070 B CN 109016070B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/001—Rapid manufacturing of 3D objects by additive depositing, agglomerating or laminating of material
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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
- B33Y10/00—Processes of additive manufacturing
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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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Abstract
The present invention provides a kind of double spray head extruded type ceramics 3D printers and its Method of printing, ceramic 3D printer of the invention is by the way of thin printing head and the cooperation printing of thick printing head, if printing the entity of the same shape and size, it is worked relative to single using thin printing head, print time is short, it is worked relative to single using thick printing head, printing precision is high.Two kinds of ceramic material quality that ceramic 3D printer of the invention uses are different, and cost is different, fine ceramics pug it is at high cost, the cost of crude ceramic material is low, i.e. for fine ceramics pug is used only, the outer surface texture for forming entity is unaffected, and totle drilling cost reduces.Ceramic 3D printer structure of the invention is simple, easy to operate, greatly reduces production and application cost, can be with large-scale promotion application.The Method of printing of ceramic 3D printer of the invention, principle is simple, and feasibility is high.
Description
Technical field
The invention belongs to 3D printer technical fields, more particularly to ceramic 3D printer and its Method of printing.
Background technique
Ceramics are to be made using various natural minerals as primary raw material by crushing, mixing, molding and calcining.Traditional ceramics
Preparation process can only manufacture the product of simple shape, and ceramic 3D printing technique makes complicated ceramic product be prepared into possibility, ceramics
3D printing has the advantage that first relative to classical production process, is not necessarily to mold, and the development cycle is short, saves time cost；
Second, it can be achieved that complicated shape structural member molding, break through traditional ceramics processing technology shape limitation.
It is existing ceramics 3D printing technique it is numerous, wherein development earliest, technology it is more mature be extruded type printing technique.
Its working principle is that ceramic powder and organic binder are mixed, it is made into silk through extruder or capillary rheometer, by squeezing
Out after the layer-by-layer accumulation of body, ceramic member green compact are obtained, then by the sintering of the removal of binder and ceramic green, are finally obtained
The ceramic part of higher-density.The technology mode be often used screw rod extrusion type printing, process is more stable, shearing and rub compared with
It is small.The silk material of wide variety can be obtained by introducing different ceramic powders simultaneously.
Currently, the generally existing printing effect of extruded type ceramics 3D printing technique and the conflicting problem of printing precision.I.e.
Nozzle diameter is small, and spray head stroke is more, and the print time is long, but printing precision is high；Nozzle diameter is big, and spray head stroke is few, the print time
It is short, but printing precision is low.The problem of printing effect, constrains the production application of extruded type ceramics 3D printing technique, and printing precision is asked
Topic constrains the promotion and popularization of extruded type ceramics 3D printing technique.
Therefore, it is badly in need of providing a kind of double spray head extruded type ceramics 3D printers and its Method of printing, to solve the prior art
Deficiency.
Summary of the invention
Technical problem solved by the invention: extruded type ceramics 3D printer in the prior art mostly uses layering to squeeze out
The mode of accumulation molding, after completing one layer of printing operation, support board sends behind distance, spray head uniform discharge, and flat in two dimension
Controlled movement on face, ceramic material is piled up on molded face.During entire physical print, shower nozzle caliber cannot change,
Each slicing layer thickness of printed entity is equal.For printing the entity of same shapes and sizes, if shower nozzle caliber is big, entity point
Thickness degree is big, and the number of plies is few, it is few to print time-consuming, but printing shaping solid object surface precision is low；If spray head is small-bore small, entity layering is thick
Spend small, the number of plies is more, and printing is time-consuming more, but printing shaping solid object surface precision height.
In order to solve the above technical problems, the invention provides the following technical scheme:
A kind of double spray head extruded type ceramics 3D printers, including rack, the face XY motion module, Z axis motion module, loading
Plate, printing head, feeding module, air compressor machine and top control module, wherein printing head includes thin printing head and thick printing spray
Head, the thin printing head and the thick printing head are in same Z axis height, and two spray head centers are in same X-direction, two spray heads
Center is away from for △ x；Feeding module includes the first conveying pipeline, the second conveying pipeline, the first storage tank and the second storage tank；
The thin printing head and thick printing head are fixedly connected in the motion module of the face XY, the face XY motion module peace
Loaded on above rack, for realizing printing head in the two dimensional motion of X/Y plane, the thin printing head and thick printing head divide
It is not connect with the output end of the first conveying pipeline and the second conveying pipeline, the input terminal of the first conveying pipeline and the second conveying pipeline is respectively with
The connection of the top port of one storage tank and the second storage tank, the lower section port of the first storage tank and the second storage tank respectively with pneumatics
Machine connection, the first storage tank and the second storage tank are fixed on rack rear；
The Z axis motion module is installed on rack rear, support board and Z axis motion module detachable connection, Z axis movement
Module moves vertically up and down, and support board is made to realize the motion in one dimension vertical with X/Y plane；
The top control module is fixed on bottom of the frame, for receiving the slice file with partition information, respectively with the face XY
Motion module, Z axis motion module, thin printing head and the communication connection of thick printing head；Top control module is according to slice file letter
The breath control face XY motion module, Z axis motion module, thin printing head and thick printing head cooperate.
Further, the thin printing head includes the 4th motor, first shaft coupling, the first screw extruding cylinder and osculum
Diameter nozzle, the thick printing head include the 5th motor, second shaft coupling, the second screw extruding cylinder and heavy caliber nozzle, the
Four motors and the 5th motor respectively drive the screw rod in the first screw extruding cylinder and the second screw extruding cylinder rotation, ceramic material by
The effect of extruding force is squeezed out from hand line nozzle and heavy caliber nozzle respectively；Hand line nozzle and heavy caliber nozzle length are equal,
The outlet diameter of heavy caliber nozzle is twice of the outlet diameter of hand line nozzle.
Further, first conveying pipeline and the second conveying pipeline model are identical with size, first storage tank
It is identical with size with the second storage tank model, the ceramic material of the first storage tank storage purification, second storing
Tank stores crude ceramic material, and the high drive that ceramic material is generated by air compressor machine respectively enters in printing head.
Further, the face XY motion module includes X-axis module and Y-axis module；
Wherein, X-axis module include for fix the spray head mounting plate of printing head, the first X-axis guide rod, the second X-axis guide rod,
Second motor and X-axis synchronous belt, X-axis synchronous belt drive spray head mounting plate in the first X-axis guide rod and the by the second motor driven
It is moved on two X-axis guide rods, realizes the movement of printing head in the X-axis direction；
Wherein, Y-axis module includes first motor, synchronous belt, drive rod, the first Y-axis synchronous belt, the second Y-axis synchronous belt,
One Y-axis sliding block, the second Y-axis sliding block, the first Y-axis guide rod and the second Y-axis guide rod, synchronous belt are driven by first motor, are driven and are passed
Lever fixed-axis rotation, drive rod drive the first Y-axis synchronous belt and the second Y-axis synchronous belt to move synchronously, drive the first Y-axis sliding block and
Second Y-axis sliding block is mobile in the first Y-axis guide rod and the second Y-axis guide rod, meanwhile, X-axis module and the first Y-axis sliding block and the second Y-axis
Sliding block connection, i.e., X-axis module can realize movement in the Y-axis direction, so that printing head be made to realize the movement in X/Y plane.
Further, the Z axis motion module includes lifting platform, third motor, screw rod, the first Z axis guide rod and the 2nd Z
Spindle guide bar, lifting platform can slide on two parallel the first Z axis guide rods and the second Z axis guide rod, realize shifting in the Z-axis direction
Dynamic, the rotation of third motor driven screw rod provides lifting platform mobile power.
Further, the air compressor machine exit is equipped with constant pressure protective device.
Further, the value range of the △ x is 48-54mm.
The present invention also provides a kind of Method of printings of double spray head extruded type ceramics 3D printers, include the following steps:
Fine ceramics pug is added into the first storage tank, crude ceramic material is added into the second storage tank for step 1,
It is connected to each pipeline, support board is leveled to and corrected zero position, is powered on, the slice file with partition information is imported into master control
Module,
Step 2 prints bottom surface layer, and it is outer surface layer, only cutting with a thickness of h that the bottom surface layer, which is the first layer of printing,
Sheet data returns initial position, thin printing head work discharging, the face XY motion module by top control module control Z axis motion module
Printing head is drawn by the planning path movement of slice file, until bottom surface layer printing finishes；
Step 3 prints middle layer, and the middle layer has the slice of data of internal and outer surface synthesis, and overall thickness is
2h, intra slice layer have one layer, and it is outer surface i-1 layers and outer surface i-2 respectively that with a thickness of 2h, outer surface slicing layer, which has two layers,
Layer, every layer moves down h height, thin printing head work discharging, the movement of the face XY with a thickness of h, by top control module control Z axis motion module
Module draws printing head and prints solid outer surface i-1 layers, and then Z axis motion module moves down h height again, and spray head mounting plate is to X
The distance of the mobile △ x of axis negative direction, thick printing head work discharging, the face XY motion module are drawn in printing head printing entity
Portion；After house print, distance of the spray head mounting plate to the mobile △ x of X-axis positive direction, thin printing head work discharging, the face XY
Motion module draws printing head and prints solid outer surface i-2 layers, and so far, the printing of the first middle layer finishes, remaining middle layer weight
Multiple above-mentioned Method of printing printing shaping；
The described outer surface i-1 layers first layer for the outer surface slicing layer of i-th of middle layer from top to bottom, the outer surface
The i-2 layers of second layer for the outer surface slicing layer of i-th of middle layer from top to bottom, outer surface i-2 layers in outer surface i-1 layer
On, i is positive integer；
Step 4 prints top coat, and it is outer surface layer, only with a thickness of h's that the top coat, which is the last layer of printing,
Slice of data moves down h height, thin printing head work discharging by top control module control Z axis motion module, and the face XY motion module is led
Draw printing head to move by the planning path of slice file, until top coat printing finishes, so far, entire physical print is finished.
Further, the slice file with partition information is obtained by computer disposal, and computer is by same three-dimensional
Mathematical model carries out slicing treatment, first time slice thickness twice and is set as h, and second of slice thickness is set as 2h, three dimensions
Remaining thickness is the slice of data of 2h inside word model, and three-dimensional digital model outer surface remaining thickness is the slice of data of h, that is, is closed
At the slice file with partition information.
Further, the thin printing head and thick printing head be not in synchronization extruded ceramic pug；And for beating
It is printed as the support construction added needed for type, is worked and is discharged by thick printing head, layer-by-layer accumulation molding.
Double spray head extruded type ceramics 3D printers and its Method of printing provided by the invention have compared with prior art
Following advantages and the utility model has the advantages that
First, ceramic 3D printer of the invention using thin printing head and thick printing head cooperation printing by the way of, if
The entity for printing the same shape and size is worked relative to single using thin printing head, and the print time is short, adopts relative to single
It is worked with thick printing head, printing precision is high.
Second, two kinds of ceramic material quality that ceramic 3D printer of the invention uses are different, and cost is different, fine ceramics
Pug it is at high cost, the cost of crude ceramic material is low, i.e., for fine ceramics pug is used only, forms the outer of entity
Surface tactile sensation is unaffected, and totle drilling cost reduces.
Third, ceramic 3D printer structure of the invention is simple, easy to operate, greatly reduces production and application cost,
It can be with large-scale promotion application.
4th, the Method of printing of ceramic 3D printer of the invention, principle is simple, and feasibility is high.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the double spray head extruded type ceramics 3D printers of the present invention；
Fig. 2 is the face XY motion module structural schematic diagram involved by the present invention；
Fig. 3 is Z axis motion module structural schematic diagram involved by the present invention；
Fig. 4 is the double nozzle structure schematic diagrames of extruded type involved by the present invention；
Fig. 5 is longitudinal partial schematic sectional view of the involved printing middle layer of the present invention；
Symbol description in figure:
10, rack；20, the face XY motion module；30, Z axis motion module；40, support board；51, thin printing head；52, thick
Printing head；601, the first conveying pipeline；602 second conveying pipelines；611 first storage tanks；612 second storage tanks；70, master control mould
Block；
21, spray head mounting plate；21a, the first X-axis guide rod；21b, the second X-axis guide rod；220, first motor；221, synchronous
Band；222, drive rod；22a, the first Y-axis synchronous belt；22b, the second Y-axis synchronous belt；23a, the first Y-axis sliding block；23b, the second Y-axis
Sliding block；24a, the first Y-axis guide rod；24b, the second Y-axis guide rod；250, the second motor；251, X-axis synchronous belt；
31, lifting platform；32, third motor；33, screw rod；34a, the first Z axis guide rod；34b, the second Z axis guide rod；
511, the 4th motor；512, first shaft coupling；513, the first screw extruding cylinder；514, hand line nozzle；521,
Five motors；522, second shaft coupling；523, the second screw extruding cylinder；524, heavy caliber nozzle；
1, outer surface i-1 layers；2, outer surface i-2 layers；3, intra slice layer.
Specific embodiment
Following further describes the present invention with reference to the drawings:
Such as Fig. 1, double spray head extruded type ceramics 3D printers of the invention include rack 10, the face XY motion module 20, Z axis fortune
Dynamic model block 30, support board 40, printing head, feeding module, air compressor machine and top control module 70.
Wherein, printing head includes thin printing head 51 and thick printing head 52；Feeding module includes the first conveying pipeline
601, the second conveying pipeline 602, the first storage tank 611 and the second storage tank 612.
The face XY motion module 20 is installed on 10 top of rack, and the spray head mounting plate 21 of the face XY motion module 20 can be realized
The two dimensional motion of X/Y plane, thin printing head 51 and thick printing head 52 are fixedly connected on spray head mounting plate 21, respectively with
One conveying pipeline 601 is connected with 602 output end of the second conveying pipeline, the input terminal difference of the first conveying pipeline 601 and the second conveying pipeline 602
It is connect with the top port of the first storage tank 611 and the second storage tank 612, under the first storage tank 611 and the second storage tank 612
Square end mouth is connected to air compressor machine (not shown) respectively, and the first storage tank 611 and the second storage tank 612 are fixed on 10 rear of rack.Z
Axis motion module 30 is installed on 10 rear of rack, it can be achieved that the motion in one dimension vertical with X/Y plane, support board 40 and Z axis move mould
Block detachable connection.Top control module 70 is fixed on bottom of the frame, respectively with the face XY motion module 20, Z axis motion module 30, thin
Printing head 51 and thick printing head 52 communicate to connect.
First conveying pipeline 601 and 602 model of the second conveying pipeline are identical with size, first storage tank 611
It is identical with size with 612 model of the second storage tank, the ceramic material of first storage tank 611 storage purification, described the
Two storage tanks 612 store crude ceramic material.The high drive that ceramic material is generated by air compressor machine, into spray head.
The air compressor machine continues pressure supply, the pneumatics to the first storage tank 611 and the second storage tank 612 in print procedure
Machine exit is equipped with constant pressure protective device (not shown).
Such as Fig. 2, the face XY motion module 20 includes X-axis module and Y-axis module
Wherein, X-axis module includes spray head mounting plate 21, the first X-axis guide rod 21a, the second X-axis guide rod 21b, the second motor
250 and X-axis synchronous belt 251, X-axis synchronous belt 251 driven by the second motor 250, drive spray head mounting plate 21 led in the first X-axis
Movement is, it can be achieved that the movement of spray head in the X-axis direction on bar 21a and the second X-axis guide rod 21b.
Wherein, Y-axis module includes first motor 220, synchronous belt 221, drive rod 222, the first Y-axis synchronous belt 22a, second
Y-axis synchronous belt 22b, the first Y-axis sliding block 23a, the second Y-axis sliding block 23b, the first Y-axis guide rod 24a and the second Y-axis guide rod 24b,
Synchronous belt 221 is driven by first motor 220, drives 222 fixed-axis rotation of drive rod, and drive rod 222 drives the first Y-axis synchronous belt
22a and the second Y-axis synchronous belt 22b are moved synchronously, and drive the first Y-axis sliding block 23a and the second Y-axis sliding block 23b in the first Y-axis guide rod
24a and the second Y-axis guide rod 24b is mobile, meanwhile, X-axis module is connect with the first Y-axis sliding block 23a and the second Y-axis sliding block 23b, that is, X
Axle module can realize movement in the Y-axis direction, that is, spray head may be implemented in the movement of X/Y plane.
Such as Fig. 3, the Z axis motion module 30 includes lifting platform 31, third motor 32, screw rod 33, the first Z axis guide rod 34a
And the second Z axis guide rod 34b, lifting platform 31 can be real in two parallel the first Z axis guide rod 34a and the second Z axis guide rod 34b slidings
Now movement in the Z-axis direction, third motor 32 drive screw rod 33 to rotate, and provide lifting platform 31 mobile power.
Such as Fig. 4, the thin printing head 51 includes the 4th motor 511, first shaft coupling 512, the first screw extruding cylinder 513
And hand line nozzle 514, the thick printing head 52 include the 5th motor 521, second shaft coupling 522, the second screw extruding
Cylinder 523 and heavy caliber nozzle 524, the 4th motor 511 and the 5th motor 521 respectively drive the first screw extruding cylinder 513 and the
Screw rod (not shown) rotation in two screw extruding cylinders 523, ceramic material are squeezed the effect of power, respectively from hand line nozzle
514 and heavy caliber nozzle 524 squeeze out.
The thin printing head 51 and the thick printing head 52 are in same Z axis height, and in addition to nozzle, remaining is each similar
Types of spare parts is identical with size.524 equal length of the hand line nozzle 514 and heavy caliber nozzle, heavy caliber nozzle 524
Outlet diameter is twice of the outlet diameter of hand line nozzle 514, two nozzle center in same X-direction, two spray head centers away from
For △ x.
The top control module 70 receives the slice file with partition information, according to the slice the file information control face XY movement
Module 20, Z axis motion module 30 and printing head cooperate.
The slice file with partition information is obtained by computer disposal, computer by same three-dimensional digital model into
Row slicing treatment twice, first time slice thickness are set as h, and second of slice thickness is set as 2h, inside three-dimensional digital model
Remaining thickness is the slice of data of 2h, and three-dimensional digital model outer surface remaining thickness is the slice of data of h, i.e. synthesis has subregion
The slice file of information.
The thin printing head 51 and thick printing head 52 be not in synchronization extruded ceramic pug.
The working principle of double spray head extruded type ceramics 3D printers of the present invention is as follows:
First, fine ceramics pug is added into the first storage tank, crude ceramic material is added into the second storage tank, even
Lead to each pipeline, support board levels and corrects zero position, powers on, and the slice file with partition information is imported top control module
Afterwards, top control module can control the 3D printer to start to work.
Second, top control module is according to slice each motor cooperative motion of document control, first motor, the second motor and third electricity
Machine controls the face XY motion module and Z axis motion module, and driving printing head is mobile by data schema path, realizes spatial position
It is accurately positioned.Meanwhile top control module controls the 4th motor and the 5th motor, and thin printing head and thick printing head is driven alternately to squeeze
The ceramic material of different thicknesses out, thin printing head is for printing solid outer surface, and thick printing head is for printing inside entity
And support construction.
The spacing of third, thin printing head and thick printing head is fixed value, when double spray head working conditions switch, need to only be cut
The operating position of spray head is changed, realizes discharge port site on same relative position.
The Method of printing of double spray head extruded type ceramics 3D printers, steps are as follows:
Step 1: fine ceramics pug being added into the first storage tank, crude ceramic material is added into the second storage tank,
It is connected to each pipeline, support board is leveled to and corrected zero position, is powered on, the slice file with partition information is imported into master control
Module,
Step 2: printing bottom surface layer, the bottom surface layer are the first layer of printing, are outer surface layer, only cutting with a thickness of h
Sheet data.Z axis motion module 30 returns initial position, the thin work of printing head 51 discharging, the traction printing of the face XY motion module 20
Spray head is finished by the planning path movement of slice file until bottom surface layer prints.
Step 3: printing middle layer, the middle layer have the slice of data of internal and outer surface synthesis, and overall thickness is
2h, intra slice layer have one layer, and it is outer surface i-1 layers and outer surface i-2 respectively that with a thickness of 2h, outer surface slicing layer, which has two layers,
Layer, every layer with a thickness of h.Z axis motion module 30 moves down h height, the thin work of printing head 51 discharging, and the face XY motion module 20 is drawn
Printing head prints solid outer surface i-1 layers.Z axis motion module 30 moves down h height again, and spray head mounting plate 21 is to X-axis negative direction
The distance of mobile △ x, the thick work of printing head 52 discharging, the face XY motion module 20 are drawn inside printing head printing entity.It is interior
After portion prints, distance of the spray head mounting plate 21 to the mobile △ x of X-axis positive direction, the thin work of printing head 51 discharging, the face XY fortune
Dynamic model block 20 draws printing head and prints solid outer surface i-2 layers.So far, the first middle layer printing finishes.Remaining middle layer weight
Multiple above-mentioned Method of printing printing shaping.Such as Fig. 5, the described outer surface i-1 layers outer surface slice for i-th of middle layer from top to bottom
The first layer of layer, the described outer surface i-2 layers second layer for the outer surface slicing layer of i-th of middle layer from top to bottom, outer surface
I-2 layers on outer surface i-1 layers, i is positive integer.
Step 4: printing top coat, the top coat are the last layer of printing, are outer surface layer, only with a thickness of h's
Slice of data.Z axis motion module 30 moves down h height, the thin work of printing head 51 discharging, the traction printing spray of the face XY motion module 20
Head is finished by the planning path movement of slice file until top coat prints.So far, entire physical print finishes.
For the support construction of addition needed for printing shaping, the thick work of printing head 52 discharging, layer-by-layer accumulation molding.
It should be understood that the part that this specification does not elaborate belongs to the prior art.
It should be understood that the above-mentioned description for preferred embodiment is more detailed, can not therefore be considered to this
The limitation of invention patent protection range, those skilled in the art under the inspiration of the present invention, are not departing from power of the present invention
Benefit requires to make replacement or deformation under protected ambit, fall within the scope of protection of the present invention, this hair
It is bright range is claimed to be determined by the appended claims.
Claims (9)
1. a kind of Method of printing of double spray head extruded type ceramics 3D printers, it is characterised in that: move mould including rack, the face XY
Block, Z axis motion module, support board, printing head, feeding module, air compressor machine and top control module, wherein printing head includes
Thin printing head and thick printing head, the thin printing head and the thick printing head are at same Z axis height, two spray head centers
In same X-direction, two spray head centers are away from for △ x；Feeding module includes the first conveying pipeline, the second conveying pipeline, the first storage tank
With the second storage tank；
The thin printing head and thick printing head are fixedly connected in the motion module of the face XY, and the face XY motion module is installed on
Above rack, for realizing printing head X/Y plane two dimensional motion, the thin printing head and thick printing head respectively with
The input terminal of the connection of the output end of first conveying pipeline and the second conveying pipeline, the first conveying pipeline and the second conveying pipeline is stored up with first respectively
The lower section port of the connection of the top port of batch can and the second storage tank, the first storage tank and the second storage tank connects with air compressor machine respectively
Logical, the first storage tank and the second storage tank are fixed on rack rear；
The Z axis motion module is installed on rack rear, support board and Z axis motion module detachable connection, Z axis motion module
Vertical movement up and down makes support board realize the motion in one dimension vertical with X/Y plane；
The top control module is fixed on bottom of the frame, for receiving the slice file with partition information, moves respectively with the face XY
Module, Z axis motion module, thin printing head and the communication connection of thick printing head；Top control module is according to slice the file information control
The face XY processed motion module, Z axis motion module, thin printing head and thick printing head cooperate；Its Method of printing includes such as
Lower step:
Fine ceramics pug is added into the first storage tank, crude ceramic material is added into the second storage tank for step 1, is connected to
Support board is leveled and is corrected zero position, powers on by each pipeline, and the slice file with partition information is imported master control mould
Block,
Step 2 prints bottom surface layer, and it is outer surface layer, only with a thickness of the number of slices of h that the bottom surface layer, which is the first layer of printing,
According to by top control module control Z axis motion module recurrence initial position, thin printing head work discharging, the traction of the face XY motion module
Printing head is finished by the planning path movement of slice file until bottom surface layer prints；
Step 3, prints middle layer, and the middle layer has a slice of data of internal and outer surface synthesis, overall thickness 2h, interior
Portion's slicing layer has one layer, and with a thickness of 2h, outer surface slicing layer has two layers, is outer surface i-1 layers and outer surface i-2 layers respectively, often
Layer moves down h height, thin printing head work discharging, the face XY motion module with a thickness of h, by top control module control Z axis motion module
It draws printing head and prints solid outer surface i-1 layers, then Z axis motion module moves down h height again, and spray head mounting plate is negative to X-axis
The distance of the mobile △ x in direction, thick printing head work discharging, the face XY motion module are drawn inside printing head printing entity；It is interior
After portion prints, spray head mounting plate is to the distance of the mobile △ x of X-axis positive direction, and thin printing head work discharging, the face XY moves mould
Block draws printing head and prints solid outer surface i-2 layers, and so far, the printing of the first middle layer finishes, remaining middle layer repeats above-mentioned
Method of printing printing shaping；
The described outer surface i-1 layers first layer for the outer surface slicing layer of i-th of middle layer from top to bottom, the outer surface i-2
Layer for the outer surface slicing layer of i-th of middle layer from top to bottom the second layer, outer surface i-2 layers on outer surface i-1 layers, i
For positive integer；
Step 4 prints top coat, and it is outer surface layer, only with a thickness of the slice of h that the top coat, which is the last layer of printing,
Data move down h height, thin printing head work discharging by top control module control Z axis motion module, and motion module traction in the face XY is beaten
Spray head is printed by the planning path movement of slice file, and until top coat printing finishes, so far, entire physical print is finished.
2. a kind of Method of printing of double spray head extruded type ceramics 3D printers as described in claim 1, it is characterised in that: described
Thin printing head includes the 4th motor, first shaft coupling, the first screw extruding cylinder and hand line nozzle, the thick printing head
Including the 5th motor, second shaft coupling, the second screw extruding cylinder and heavy caliber nozzle, the 4th motor and the 5th motor drive respectively
Screw rod rotation in dynamic first screw extruding cylinder and the second screw extruding cylinder, ceramic material are squeezed the effect of power, respectively from small
Bore nozzle and heavy caliber nozzle squeeze out；Hand line nozzle and heavy caliber nozzle length are equal, the outlet diameter of heavy caliber nozzle
It is twice of the outlet diameter of hand line nozzle.
3. a kind of Method of printing of double spray head extruded type ceramics 3D printers as described in claim 1, it is characterised in that: described
First conveying pipeline is identical with size with the second conveying pipeline model, first storage tank and the second storage tank model and
Size is identical, and the ceramic material of the first storage tank storage purification, second storage tank stores crude ceramic material, pottery
The high drive that porcelain pug is generated by air compressor machine, respectively enters in printing head.
4. a kind of Method of printing of double spray head extruded type ceramics 3D printers as described in claim 1, it is characterised in that: described
The face XY motion module includes X-axis module and Y-axis module；
Wherein, X-axis module includes for fixing the spray head mounting plate of printing head, the first X-axis guide rod, the second X-axis guide rod, second
Motor and X-axis synchronous belt, X-axis synchronous belt drive spray head mounting plate in the first X-axis guide rod and the 2nd X by the second motor driven
It is moved on spindle guide bar, realizes the movement of printing head in the X-axis direction；
Wherein, Y-axis module includes first motor, synchronous belt, drive rod, the first Y-axis synchronous belt, the second Y-axis synchronous belt, the first Y
Axis sliding block, the second Y-axis sliding block, the first Y-axis guide rod and the second Y-axis guide rod, synchronous belt are driven by first motor, drive drive rod
Fixed-axis rotation, drive rod drive the first Y-axis synchronous belt and the second Y-axis synchronous belt to move synchronously, and drive the first Y-axis sliding block and second
Y-axis sliding block is mobile in the first Y-axis guide rod and the second Y-axis guide rod, meanwhile, X-axis module and the first Y-axis sliding block and the second Y-axis sliding block
Connection, i.e., X-axis module can realize movement in the Y-axis direction, so that printing head be made to realize the movement in X/Y plane.
5. a kind of Method of printing of double spray head extruded type ceramics 3D printers as described in claim 1, it is characterised in that: described
Z axis motion module includes that lifting platform, third motor, screw rod, the first Z axis guide rod and the second Z axis guide rod, lifting platform can be flat two
It is slided on capable the first Z axis guide rod and the second Z axis guide rod, realizes movement in the Z-axis direction, the rotation of third motor driven screw rod
Turn, provides lifting platform mobile power.
6. a kind of Method of printing of double spray head extruded type ceramics 3D printers as described in claim 1, it is characterised in that: described
Air compressor machine exit is equipped with constant pressure protective device.
7. a kind of Method of printing of double spray head extruded type ceramics 3D printers as described in claim 1-6 any claim,
It is characterized by: the value range of the △ x is 48-54mm.
8. a kind of Method of printing of double spray head extruded type ceramics 3D printers as described in claim 1, it is characterised in that: described
Slice file with partition information is obtained by computer disposal, and computer carries out same three-dimensional digital model at slice twice
Reason, first time slice thickness are set as h, and second of slice thickness is set as 2h, and remaining thickness is 2h inside three-dimensional digital model
Slice of data, three-dimensional digital model outer surface remaining thickness be h slice of data, i.e., synthesis have partition information slice text
Part.
9. a kind of Method of printing of double spray head extruded type ceramics 3D printers as described in claim 1, it is characterised in that: described
Thin printing head and thick printing head be not in synchronization extruded ceramic pug；And for the support knot of addition needed for printing shaping
Structure is worked by thick printing head and is discharged, layer-by-layer accumulation molding.
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| EP4005703A1 (en) * | 2020-11-30 | 2022-06-01 | Pistis Co., Ltd. | Metal 3d printer |
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