CN104723439B - The template Wai Shi Monei extrusion 3D printing devices and Method of printing of hollow wall - Google Patents
The template Wai Shi Monei extrusion 3D printing devices and Method of printing of hollow wall Download PDFInfo
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- CN104723439B CN104723439B CN201510141957.2A CN201510141957A CN104723439B CN 104723439 B CN104723439 B CN 104723439B CN 201510141957 A CN201510141957 A CN 201510141957A CN 104723439 B CN104723439 B CN 104723439B
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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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Abstract
The present invention relates to a kind of 3D printing apparatus and method of hollow wall, the printhead of space any place where including wall to be built can be reached, print head controlling device and the feeding system of slurry is conveyed for printhead, the printhead that mould and a kind of mask are combined is extruded using including a kind of, a kind of extrusion die cavity is provided through on extrusion mould die wall, extrusion mould can do in check relative motion with mask, extrusion mould is covered in outside mask and forms dynamic sealing with mask, a kind of long and narrow bar shaped is provided through on mask and covers chamber, slurry is extruded gradually by the passage of mask and extrusion die combination formation, the change of printhead extrusion coordinates printhead motion to realize that hollow wall is printed.The present invention makees the complicated track motion of correspondence without printhead, need to only make the mobile and reciprocating motion synchronous with this movement in the complicated cross-sectional configuration of printing, therefore printing type is simple, mechanism simple and is hardly damaged.
Description
Technical field
The present invention relates to the manufacture device and manufacture method of building hollow wall, particularly a kind of template of hollow wall exists
Outer Shi Monei extrusion 3D printing devices and Method of printing.
Background technology
Hollow wall 3D printing method of the prior art is typically to be divided into the construction of the thickness direction of hollow wall
If stem portion is printed respectively, as shown in fig. 6, metope and middle ripple of the construction of the hollow wall thickness direction by both sides
Shape joist is constituted, during printing, and the Stamping gun using sustainable extrusion slurry is as printhead, first printed waveform joist, band waveform
Joist is printed to after certain length and height, then prints the metope of both sides respectively, so, not only time-consuming but also there is metope and wavelike wall
The problem of bonding and adhesion strength between muscle.
The content of the invention
It is an object of the invention to overcome weak point of the prior art, and provide that a kind of print speed is fast, production effect
Rate is high, the template Wai Shi Monei of the preferable hollow wall of strength of wall body extrude 3D printing device and Method of printing.
The purpose of the present invention is realized by following approach.
The 3D printing device of hollow wall, including the printhead of wall place to be built space any place, control can be reached
The control device of printhead action processed and the feeding system that slurry is conveyed for printhead, its composition are characterized by：Printhead bag
A kind of extrusion mould and a kind of mask are included, mask inner chamber is connected with feeding system, a kind of extrusion is provided through on extrusion mould die wall
Die cavity a, unit of structural form using the cross-sectional configuration of hollow wall of this die cavity is built as source, and hollow wall is horizontal
Cross-section structure has wall thickness direction and the long bearing of trend of wall, or takes on whole wall thickness directions of a long bearing of trend of fixed length wall
A unit is configured to, or takes the construction on the part wall thickness direction of a long bearing of trend of fixed length wall to be unit, this part wall thickness
Construction on direction or including both sides metope and whole joists or including a side wall and part joist, this fixed length
The long bearing of trend of wall is the width of unit, and this whole wall thickness directions or part wall thickness direction is the length direction of unit, this
Mold cavity configurations and this element construction are congruent, and control device control extrusion mould and mask complete four and moved, and one is to extrude mould with covering
Reciprocating between mould is relative, reciprocating stroke is the mold cavity width equal with this long bearing of trend of fixed length wall, and two be same
When also control to extrude mould and mask and make synchronizing moving along the long bearing of trend of wall jointly, three be that interval raises extrusion mould and mask
And the movement that can also decline, four be when needing along wall rear to move, it is outer and form dynamic with mask that extrusion mould is covered in mask
One kind is provided through on sealing, mask and covers chamber, and this covers chamber in a kind of long and narrow bar shaped, and its length is more than or equal to and element length
Equal cavity length, and cover chamber simultaneously and be correspondingly arranged in the way of it can expose die cavity total length with die cavity, feeding system conveying
Slurry via cover chamber and extrusion die cavity extrude to hollow wall.
So, the slurry extrusion on printhead is dynamic change, and extrusion mouth-shaped is decided by extrusion die cavity and covers chamber
The through part of poststack is covered, this through part is continually changing with the reciprocating motion between mask and extrusion mould.And same stepping
Capable moving jointly along the long bearing of trend of wall so that this through part being continually changing is able to shoe and is imprinted on wall length extension side
To.This print of carrying out is to obtain one and extrude the congruent unit of die cavity and carry out to print first, now moves back and forth one past fortune of completion
Dynamic, what next continued be one carries out the full symmetric symmetrical cell of print construction and carries out and print with the unit, and what is now completed is back and forth to transport
Multiple motion in dynamic, so as the synchronization moved back and forth and the long bearing of trend of wall is moved is carried out, just in the long bearing of trend of wall
Obtain unit and carry out print, symmetrical cell and carry out print, unit and carry out the cavity wall that print constantly repeats to continue and carry out print, when slurry is from extrusion
Constantly extrude, this carries out one layer that print is exactly hollow wall.When the wall for completing a design is long, extrusion mould and mask are raised,
Continue on next layer of hollow wall with foregoing shoe print formula printing hollow wall, so that it may obtain the hollow wall of a 3D construction.
If unit construction length direction be whole wall thickness directions construction, now one include both sides metope, in
Between the complete hollow wall of joist completed；If the length direction of unit construction is the construction in part wall thickness direction,
Now being only completed one includes the part hollow wall of a side wall and part joist, now also needs along wall rear to moving
Complete the shoe print formula 3D printing of another part hollow wall.
Obviously, the present invention also creates another unexpected effect, i.e.,：In the complicated cross-sectional configuration of printing,
Make the complicated track motion of correspondence without printhead, and need to only make the mobile and reciprocating motion synchronous with this movement all the time, therefore
Printing type is simple, mechanism is simple and is difficult along bad.
The 3D printing method of hollow wall, it is characterized by, and comprises the following steps：
The 1st, a kind of printhead that can reach wall place to be built space any place, the control of control printhead action are provided
Device processed and the feeding system that slurry is conveyed for printhead, printhead include a kind of extrusion mould and a kind of mask, mask inner chamber
Connected with feeding system, a kind of extrusion die cavity is provided through on extrusion mould die wall, the structural form of this die cavity is with hollow wall
A unit of cross-sectional configuration built for source, hollow wall cross-sectional configuration has wall thickness direction and wall length extension side
To either taking construction on whole wall thickness directions of a long bearing of trend of fixed length wall for a unit or take a fixed length wall length to prolong
Stretch construction on the part wall thickness direction in direction be construction on unit, this part wall thickness direction or including both sides metope and
Whole joists or including a side wall and part joist, this long bearing of trend of fixed length wall is the width of unit, this
Whole wall thickness directions or part wall thickness direction is the length direction of unit, and this mold cavity configurations constructs congruence with this element, extrudes mould
Be covered in mask it is outer and with mask formation dynamic sealing, be provided through one kind on mask and cover chamber, this covers chamber in a kind of long and narrow bar shaped,
Its length is more than or equal to the cavity length equal with element length, and covers chamber simultaneously in the way of it can expose die cavity total length and mould
Chamber is correspondingly arranged,
2nd, control device control extrusion mould and mask synchronously complete following two motions, and one is that extrusion mould is relative with mask
Between it is reciprocating, reciprocating stroke be the mold cavity width equal with this long bearing of trend of fixed length wall, two be while also controlling
System extrusion mould and mask make the synchronizing moving along the long bearing of trend of wall jointly, and feeding system conveying simultaneously slurry via covering chamber
And extrusion die cavity extrude to hollow wall, obtain one layer carry out print hollow wall, this carry out print by along the long bearing of trend of wall not
The unit that disconnected repetition continues carries out print, symmetrical cell shoe print, unit and carries out print and constitute,
3rd, extrusion mould and mask are raised in stepping, continue, with foregoing shoe print formula printing, to repeat on next layer of hollow wall
Raise and successively carry out print, obtain the hollow wall of a 3D construction.
The purpose of the present invention can also be realized by following approach.
The die cavity that different configuration is set on mould along vibration-direction subregion is extruded, the grade die cavity is horizontal with cavity wall respectively
Unit one of the different cross-sectional configuration of section wall length direction is that source is built, and each interregional die cavity is not connected.
So, if mobile different extrusion die cavitys and mask to cover chamber corresponding, so that it may carry out and print off different cross section structures
Make, so as to print off whole stifled cavity wall repeatly.
Above-mentioned each region die cavity is in alignment with one another according to cavity wall cross-sectional configuration for source.
So it may insure in mobile die cavity, it is only necessary to the movement in the direction that moves back and forth, it is long without carrying out unit
Spend the movement in direction.
Mask is a kind of hollow cylinder, and mask chamber is arranged on cylinder, and extrusion mould or a kind of correspondence are stacked in the circle
Arc housing on cylinder, or it is a kind of it is coaxial be nested with another hollow cylinder on the face of cylinder, extruding cavity or be located at
On the arc surface of the arc housing or on the face of cylinder of another hollow cylinder.
This when, the reciprocating motion between extrusion mould and mask is a kind of reciprocating rotation.
Mask is a kind of hollow cylinder, and it is a kind of plane to cover cylinder where chamber, and extrusion mould is that a kind of correspondence is stacked in this and put down
Flat board on face, extrusion die cavity, which runs through, to be arranged on the flat board.
Now, the reciprocating motion between extrusion mould and mask is that one kind is moved back and forth.
The printhead is arranged on a kind of manipulator, and this manipulator includes a support, and mask passes through mask bearing and branch
Frame is connected, and extrusion mould one end is rotated with mask and is connected, and the other end is supported on support, is used to drive extrusion mould phase in control device
It is rack-mount to the reciprocating first driving means of mask.
Further, when it is a kind of reciprocating rotation to extrude the reciprocating motion between mould and mask, above-mentioned construction further has
Body is：
Extrusion mould one end is rotated with mask and is connected, and the other end is rotatably supported on corresponding bearing block, first driving means
It is the reducing motor that support is arranged on by motor support base.
Reducing motor stepper motor or servomotor.
Driving extrusion mould and mask are made to move along the long bearing of trend of wall and second driving synchronous with reciprocating motion jointly
Drives edge wall thickness when raising extrusion mould and mask and can also decline the 3rd mobile drive device, need of device, driving interval
The four-drive device of direction movement is installed in outside manipulator, but is connected with robotic transfer.
Control device includes a kind of sensor, and sensor feeds back the positional information of printhead, control device to control device
The positional information of the extruder head read and the Back ground Information of setting are compared, sending corresponding control according to comparative result believes
Number, control driving printhead is printed by shoe print formula is set for.
The present invention Method of printing can also be specially further：
If the length direction of unit construction is the construction in part wall thickness direction, after the completion of above-mentioned third step, edge is also needed
The movement of wall thickness direction prints formula 3D printing with the shoe for completing another part hollow wall.Or
The die cavity of another part hollow wall be it is arranged on extrusion mould on along vibration-direction another region when,
Then move the extrusion die cavity of another part hollow wall to mask to cover chamber corresponding, so that it may carry out the part sky printed off with before this
Core-wall shows consideration for another part hollow wall closed, so as to print off whole stifled cavity wall repeatly.
When whole wall is a kind of complicated structure body including cavity wall, now showed in the cross-sectional configuration of whole wall
For：Being continued along wall length direction time the has different cross-sectional configurations.So, can be by this when using foregoing shoe India side formula
Construction order carries out the wall for printing off different cross-sectional configurations and continues into a wall respectively, but preferred plan is：
1st, the corresponding die cavity of the hurried setting of tripe systems continued according to a wall cross section along wall length direction, and secondary according to this
Sequence first by die cavity corresponding with outermost cross-sectional configuration turn to mask to cover chamber corresponding,
2nd, control device control machinery hand synchronously complete it is following two motion, one be extrusion mould it is relative with mask between make back and forth
Motion, reciprocating stroke is mold cavity width, and two be that also control machinery hand makees the synchronizing moving along the long bearing of trend of wall simultaneously, and
Feeding system conveying simultaneously slurry is via extrusion die cavity and covers chamber 1 and extrudes to wall, obtain one layer of wall for carrying out print, this
Carry out print and carried out print, symmetrical cell and carried out print, unit and carried out by constantly repeating the unit that continues along the long bearing of trend of wall and print and constitute,
3rd, control device control extrusion mould makees following rotation relative to mask, is continued according to a wall cross section along wall length direction
Different configuration, by with the die cavity corresponding to another construction that continues of construction for just carrying out print turn to mask to cover chamber relative
Should,
4th, second step and third step are repeated, until obtaining the complete cross section of one layer of whole wall body carries out print
5th, manipulator is raised in stepping, is continued on next layer of wall with foregoing shoe print formula printing, and repetition is raised and successively
Print is carried out, the wall of a 3D construction is obtained, this wall includes hollow wall.
The present invention has the following advantages that compared with prior art：Due in the complicated cross-sectional configuration of printing, without printing
Head makees the complicated track motion of correspondence, and need to only make the mobile and reciprocating motion synchronous with this movement all the time, therefore printing type
Simply, mechanism is simple and is difficult along bad.Print speed is fast, production efficiency is high, strength of wall body is preferable simultaneously.
Brief description of the drawings
Fig. 1 is the robot manipulator structure signal main view in the 3D printing device of hollow wall described in preferred embodiment
Figure；
Fig. 2 is Fig. 1 right view；
Fig. 3 is figure Fig. 1 A-A sectional views；
Fig. 4 is the extrusion mould die cavity face structural representation in the 3D printing device of hollow wall described in preferred embodiment
Figure；
Fig. 5 is the mask die cavity face structural representation in the 3D printing device of hollow wall described in preferred embodiment
Figure；
Fig. 6 is the hollow wall cross section printed in the 3D printing device of hollow wall described in preferred embodiment
Organigram；
Fig. 7 is a kind of hollow wall cross-sectional configuration schematic diagram.
Label declaration：
1. the bearing spider 8. of 6. power transmission shaft of the sealing structure 5. of 2. mask of manipulator, 3. mask bearing 4. extrusion mould 7.
The support of 9. reducing motor of motor support base 10.
11. the joist die cavity of 13. metope die cavity of the extrusion die cavity of feeder channel 12. 14.
15. covering the unit of 16. metope of chamber, 17. joist 18. carries out print
19. symmetrical cell carries out the cavity wall of 20. side wall of print, 21. side wall die cavity 22.
More description in detail is carried out to the present invention below in conjunction with the accompanying drawings.
Embodiment
Most preferred embodiment：
As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 5, the 3D printing device of hollow wall, including wall institute to be built can be reached
The printhead of any place, the control device of control printhead action and the feeding system that slurry is conveyed for printhead in space.
Printhead includes a kind of extrusion mould 5 and a kind of mask 2, and extrusion mould 5 is to be provided through one on a kind of hollow cylinder, cylindrical wall
Extrusion die cavity 12 is planted, extrusion mould 5 extrusion mould one end is rotated with mask 2 to be connected, and the other end is rotatably supported in corresponding bearing block 7
On, pressing material inputs the hollow cylinder of mask 2 by feeder channel 11, so that the inner chamber of mask 2 is connected with feeding system, covers
Chamber 15 is located on the face of cylinder of the hollow cylinder of the mask 5.Extrusion mould 5 is that one kind is coaxially nested with the face of cylinder of the mask 2
Another hollow cylinder.Mask 2 is provided at both ends with sealing mechanism 4 so as to form dynamic sealing with the extrusion intussusception of mould 5.It is described
Printhead and connection feeding system and the feeder channel 11 of the inner chamber of mask 2 are installed on a kind of manipulator 1, this manipulator 1
Including a support, the front end of mask 2 correspondence is supported in connects bearing 3, and connects bearing 3 is rack-mount.Extrude mould 5 and transmission
Axle 6 is connected, and the one end of power transmission shaft 6 rotates with bearing spider 7 and is connected, and driving extrusion mould 5 is rotated, and the other end is by installed in motor
First driving means driving on bearing 8.It is used to drive extrusion mould in control device with respect to the first driving of mask reciprocating rotation
Device is rack-mount by motor support base 8, and first driving means are a kind of reducing motor 9, reducing motor or stepping electricity
Machine or servomotor.Second drive device driving manipulator 1 is made to move along the long bearing of trend of wall and same with above-mentioned reciprocating rotation
Step；3rd drive device is used to drive raising manipulator and can also declining mobile manipulator for interval, when manipulator completes one layer
Shoe print formula printing when, stepping raise manipulator with complete another layer shoe print formula printing；When four-drive device is used to need
Driving manipulator is moved along wall thickness direction.Second drive device, the 3rd drive device and four-drive device are installed in machine
Outside tool hand, but it is connected with robotic transfer.Control device also includes a kind of sensor, and sensor feeds back printhead to control device
Positional information, control device by the positional information of the extruder head read and setting Back ground Information be compared, according to than
Relatively result sends corresponding control signal, and control driving printhead is printed by shoe print formula is set for.
Reference picture 6, this is the cross-sectional configuration for the wall for including cavity wall, has three kinds of different horizontal strokes along wall length direction
Cross-section structure is side wall 20, metope 16, side wall 20 respectively and while has the hollow wall 22 of metope joist.
Reference picture 4, extrusion mould die cavity, which is also corresponded to, is divided into three kinds, wherein：Corresponding side wall die cavity 21 is side wall 20, single
Corresponding one metope die cavity 13 is metope 16, while the cavity wall die cavity for including metope die cavity 13 with joist die cavity 14 is corresponding
Be hollow wall 22.Hollow wall 22 extrudes mould die cavity（That is cavity wall die cavity）Structural form with the cross section of hollow wall
One unit 18 of construction is built for source, and hollow wall cross-sectional configuration has wall thickness direction and the long bearing of trend of wall, takes
Construction on whole wall thickness directions of the one long bearing of trend of fixed length wall is construction or bag on a unit, this part wall thickness direction
Both sides metope and whole joists are included, this long bearing of trend of fixed length wall is the width of unit 18, this whole wall thickness direction
For the length direction of unit 18, this cavity wall mold cavity configurations constructs congruence with this element 18.Side wall die cavity 21 is also with side wall
Unit one of the cross-sectional configuration of face 20 is that source is built, and the mold cavity shapes so built up are a kind of long and narrow bar shaped.Similarly, it is single
One metope die cavity 13 due to only corresponding to both sides metope, the die cavity so built in the same manner be two shown in figure every
Small side's point that Kongxiang is hoped.Above-mentioned each die cavity is set along vibration-direction subregion, and the grade die cavity is respectively with cavity wall cross section
Unit one of the different cross-sectional configuration of wall length direction is that source is built, and each interregional die cavity is not connected.Above-mentioned each area
Domain die cavity is in alignment with one another according to cavity wall cross-sectional configuration for source.
One kind is provided through on reference picture 5, mask 2 and covers chamber 15, and this covers chamber 15 in a kind of long and narrow bar shaped, and its length is more than
Or equal to the cavity length with the equal length of unit 18, and chamber 15 is covered simultaneously in the way of it can expose extrusion mould die cavity total length with squeezing
Depanning die cavity is correspondingly arranged, and the slurry of feeding system conveying is via covering chamber 15 and extrusion mould die cavity is extruded to wall and hollow
On wall 22.
Reference picture 6, so, the slurry extrusion on printhead is dynamic change, extrusion mouth-shaped be decided by cover chamber with
The through part of cavity sleeve poststack is extruded, this through part is continually changing with the reciprocating motion between mask and extrusion mould.
And synchronous the moving jointly along the long bearing of trend of wall carried out so that this through part being continually changing is able to shoe, and to be imprinted on wall long
Bearing of trend.It is that hollow wall 22 is to include metope die cavity 13 corresponding with the cavity wall die cavity of joist die cavity 14 simultaneously
Example, is the unit shoe print 18 for obtaining one and extruding die cavity congruence first with this shoe print, now moves back and forth completion one past
Motion, what next continued, which be one, carries out the full symmetric symmetrical cell of the construction of print 18 with the unit and carries out print 19, now completes
It is the multiple motion in moving back and forth, it is just long in wall so as the synchronization moved back and forth and the long bearing of trend of wall is moved is carried out
Bearing of trend, which obtains unit shoe print 18, a symmetrical cell and carries out to print 19, unit and carry out, prints the 18 cavity walls shoe prints for constantly repeating to continue,
When slurry is constantly extruded from extrusion, this carries out one layer that print is exactly hollow wall.When the wall for completing a design is long, raise crowded
Depanning and mask（Raise manipulator）, continue to print hollow wall with foregoing shoe print formula on next layer of hollow wall, just
The hollow wall of a 3D construction can be obtained.If the length direction of unit construction is the construction in whole wall thickness directions, now
One includes both sides metope, the complete hollow wall of intermediate stud and has completed.
Reference picture 4 and Fig. 6, just first will be with the corresponding side wall of side wall 20 when needing to print side wall 20 first
The rotation of die cavity 21 allows to corresponding with covering chamber 15 and covers chamber 15 around this reciprocating rotation of side wall die cavity 21 and moved along wall length direction
Complete the length of the wall length direction of side wall 20, so that it may obtain the complete cross section of one layer of side wall and carry out print；Now, then will be with
The corresponding single metope die cavity 13 of metope 16 turns to corresponding with covering chamber 15, allows this single metope die cavity 13 around covering chamber 15
Reciprocating rotation and the length for completing the wall length direction of metope 16 is moved along wall length direction, so that it may obtain one layer of metope complete
Print is carried out in cross section；Now, then will cavity wall die cavity 1 corresponding with hollow wall 22 to turn to and cover chamber 15 corresponding, make this hollow
Wall die cavity surrounds the length covered the reciprocating rotation of chamber 15 and the completion wall length direction of hollow wall 22 is moved along wall length direction, so that it may
Obtain the complete cross section of one layer of hollow wall and carry out print.So, the cross section structure of the whole wall length directions of whole wall is just completed
Layer is made, the stepping that continues is raised after manipulator, repeat this carry out and print, so as to print off the whole wall body that whole blocking package includes cavity wall repeatly.When
Right or alternative carry out prints continuation method, i.e.,：First carry out layer by layer and print off the whole wall body of side wall 20, then shoe prints off layer by layer
The whole wall body of metope 16, then carry out print off the whole wall body of cavity wall 22 layer by layer, so, three wall bodies continue into one it is complete
Whole wall body.
The 3D printing method of hollow wall, comprises the following steps：
The 1st, a kind of 3D printing device of foregoing hollow wall is provided,
2nd, the corresponding die cavity of the hurried setting of tripe systems continued according to a wall cross section along wall length direction, and secondary according to this
Sequence first by die cavity corresponding with outermost cross-sectional configuration turn to mask 2 to cover chamber 15 corresponding,
3rd, control device control machinery hand 1 synchronously completes following two motions, and one is made between extruding mould 5 and mask 2 relatively
Move back and forth, reciprocating stroke is mold cavity width, two be while also control machinery hand 1 is made to move along the synchronization of the long bearing of trend of wall
It is dynamic, and feeding system conveying simultaneously slurry via chamber 15 is covered and extrusion die cavity is extruded to wall, obtain one layer and carry out print
Wall, this carries out print and is carried out and printed and group by the unit shoe print, symmetrical cell shoe print, unit for constantly repeating to continue along the long bearing of trend of wall
Into,
4th, control device control extrusion mould 5 makees following rotation relative to mask 2, is connect according to a wall cross section along wall length direction
Continuous different configuration, will turn to just carrying out die cavity corresponding to another construction that continue of construction of print and cover chamber 15 with mask 2
It is corresponding,
5th, third step and the 4th step are repeated, until obtaining the complete cross section of one layer of whole wall body carries out print
6th, manipulator is raised in stepping, is continued on next layer of hollow wall with foregoing shoe print formula printing, repetition is raised simultaneously
Print is successively carried out, the hollow wall of a 3D construction is obtained.
The not described part of the present embodiment is same as the prior art.
Claims (17)
1. the template Wai Shi Monei extrusion 3D printing devices of hollow wall, including wall place to be built space times can be reached
Printhead, the control device of control printhead action and the feeding system that slurry is conveyed for printhead at meaning, its feature exist
In printhead includes a kind of extrusion mould and a kind of mask, and mask inner chamber is connected with feeding system, runs through on extrusion mould die wall and sets
There is a kind of extrusion die cavity, a unit of structural form using the cross-sectional configuration of hollow wall of this die cavity is built as source,
Hollow wall cross-sectional configuration has wall thickness direction and the long bearing of trend of wall, or takes whole walls of a long bearing of trend of fixed length wall
Construction on thick direction is a unit, or takes the construction on the part wall thickness direction of a long bearing of trend of fixed length wall to be unit,
Construction on this part wall thickness direction or including both sides metope and whole joists or including a side wall and part wall
Muscle, this long bearing of trend of fixed length wall is the width of unit, and this whole wall thickness directions or part wall thickness direction is unit
Length direction, this mold cavity configurations construct congruence with this element, and control device control extrusion mould and mask complete four motions, and one is
Reciprocating between extrusion mould is relative with mask, reciprocating stroke is wide for the die cavity equal with this long bearing of trend of fixed length wall
Degree, two be that three be that raising for interval is crowded while also control extrusion mould and mask make the synchronizing moving along the long bearing of trend of wall jointly
Depanning and mask and the movement that can also decline, four be moving along wall thickness direction when needing, extrusion mould be covered in mask it is outer and with
One kind is provided through on mask formation dynamic sealing, mask and covers chamber, and this covers chamber in a kind of long and narrow bar shaped, and its length is more than or equal to
The cavity length equal with element length, and cover chamber simultaneously and be correspondingly arranged in the way of it can expose die cavity total length with die cavity, it is fed
System conveying slurry via cover chamber and extrusion die cavity extrude to hollow wall.
2. the template Wai Shi Monei extrusion 3D printing devices of hollow wall according to claim 1, it is characterised in that squeeze
The die cavity of different configuration is set in depanning along vibration-direction subregion, and the die cavity is respectively with the cross-section face wall length direction of cavity wall
Unit one of different cross-sectional configurations is that source is built, and each interregional die cavity is not connected.
3. the template Wai Shi Monei extrusion 3D printing devices of hollow wall according to claim 2, it is characterised in that on
Each region die cavity is stated to be in alignment with one another for source according to cavity wall cross-sectional configuration.
4. the template Wai Shi Monei extrusion 3D printing devices of hollow wall according to claim 1, it is characterised in that cover
Mould is a kind of hollow cylinder, covers chamber and is arranged on the face of cylinder, and extrusion mould or a kind of correspondence are stacked in arc on the face of cylinder
Housing, or it is a kind of it is coaxial be nested with another hollow cylinder on the face of cylinder, extrusion die cavity or positioned at the arc housing
Arc surface on or on the face of cylinder of another hollow cylinder, the reciprocating motion between extrusion mould and mask is a kind of
Reciprocating rotation.
5. the template Wai Shi Monei extrusion 3D printing devices of hollow wall according to claim 1, it is characterised in that cover
Mould is a kind of hollow cylinder, and cylinder where covering chamber is a kind of plane, and extrusion mould is a kind of stacked flat board on this plane of correspondence,
Extrusion die cavity is through being arranged on the flat board, and the reciprocating motion between extrusion mould and mask is that one kind is moved back and forth.
6. the template Wai Shi Monei extrusion 3D printing devices of hollow wall according to claim 1, it is characterised in that institute
The printhead is stated on a kind of manipulator, this manipulator includes a support, mask is connected by mask bearing with support,
Extrusion mould one end is rotated with mask and is connected, and the other end is supported on support, is used to drive extrusion mould in control device with respect to mask
Reciprocating first driving means are rack-mount.
7. the template Wai Shi Monei extrusion 3D printing devices of hollow wall according to claim 6, it is characterised in that institute
State extrusion mould one end to be connected with mask rotation, the other end is rotatably supported on corresponding bearing block, and first driving means are to pass through
Motor support base is arranged on the reducing motor of support.
8. the template Wai Shi Monei extrusion 3D printing devices of hollow wall according to claim 7, it is characterised in that subtract
Speed motor stepper motor or servomotor.
9. the template Wai Shi Monei extrusion 3D printing devices of hollow wall according to claim 6, it is characterised in that drive
Dynamic extrusion mould and mask are made to move and between the second drive device synchronous with reciprocating motion, driving along the long bearing of trend of wall jointly
Have a rest raise extrusion mould and mask and when can also decline the 3rd mobile drive device, need the movement of drives edge wall thickness direction the
Four-drive device is installed in outside manipulator, but is connected with robotic transfer.
10. the template Wai Shi Monei extrusion 3D printing devices of hollow wall according to claim 1, it is characterised in that
Control device includes a kind of sensor, and sensor feeds back the positional information of printhead to control device, and control device will be read
Extruder head positional information and setting Back ground Information be compared, corresponding control signal is sent according to comparative result, control
Driving printhead is printed by shoe print formula is set for.
11. the template Wai Shi Monei extrusion 3D printing methods of hollow wall, it is characterised in that comprise the following steps：
（1）A kind of printhead that can reach wall place to be built space any place, the control of control printhead action are provided
Device and the feeding system that slurry is conveyed for printhead, printhead include a kind of extrusion mould and a kind of mask, mask inner chamber with
Feeding system is connected, and a kind of extrusion die cavity is provided through on extrusion mould die wall, the structural form of this die cavity is with hollow wall
Unit one of cross-sectional configuration is that source is built, and hollow wall cross-sectional configuration has wall thickness direction and wall length extension side
To either taking construction on whole wall thickness directions of a long bearing of trend of fixed length wall for a unit or take a fixed length wall length to prolong
Stretch construction on the part wall thickness direction in direction be construction on unit, this part wall thickness direction or including both sides metope and
Whole joists or including a side wall and part joist, this long bearing of trend of fixed length wall is the width of unit, this
Whole wall thickness directions or part wall thickness direction is the length direction of unit, and this mold cavity configurations constructs congruence with this element, extrudes mould
Be covered in mask it is outer and with mask formation dynamic sealing, be provided through one kind on mask and cover chamber, this covers chamber in a kind of long and narrow bar shaped,
Its length is more than or equal to the cavity length equal with element length, and covers chamber simultaneously in the way of it can expose die cavity total length and mould
Chamber is correspondingly arranged,
（2）Control device control extrusion mould and mask synchronously complete it is following two motion, one be extrusion mould it is relative with mask between work
Move back and forth, reciprocating stroke is the mold cavity width equal with this long bearing of trend of fixed length wall, two be while also controlling to squeeze
Depanning and mask make the synchronizing moving along the long bearing of trend of wall jointly, and the slurry that feeding system is conveyed simultaneously is via extrusion die cavity
And cover chamber and extrude to hollow wall, one layer of hollow wall for carrying out print is obtained, this carries out print by constantly being weighed along the long bearing of trend of wall
The continuous unit of multiple connection carries out print, symmetrical cell shoe print, unit and carries out print and constitute,
（3）Extrusion mould and mask are raised in stepping, are continued on next layer of hollow wall with foregoing shoe print formula printing, repetition is raised
And print is successively carried out, obtain the hollow wall of a 3D construction.
12. the template Wai Shi Monei extrusion 3D printing methods of hollow wall according to claim 11, it is characterised in that
If the length direction of unit construction is the construction in part wall thickness direction, after the completion of above-mentioned third step, also need along wall thickness direction
The mobile shoe to complete another part hollow wall prints formula 3D printing, or, the die cavity of another part hollow wall is that it is set
When putting on mould is extruded another region along vibration-direction, then move the extrusion die cavity of another part hollow wall to
The chamber of covering of mask is corresponded to, so that it may another part hollow wall for printing off and being fitted with part hollow wall before this is carried out, so that repeatly
Print off whole stifled cavity wall.
13. the template Wai Shi Monei extrusion 3D printing methods of hollow wall according to claim 11, it is characterised in that
（1）The corresponding die cavity of the hurried setting of tripe systems continued according to a wall cross section along wall length direction, and order according to this
First by die cavity corresponding with outermost cross-sectional configuration turn to mask to cover chamber corresponding,
（2）Control device control machinery hand synchronously complete it is following two motion, one be extrusion mould it is relative with mask between make back and forth transport
Dynamic, reciprocating stroke is mold cavity width, and two be while also synchronizing moving of the control machinery hand work along the long bearing of trend of wall, and together
When feeding system conveying slurry is via extrusion die cavity and covers chamber and extrudes to wall, obtain one layer of wall for carrying out print, this shoe
Print by the unit shoe for constantly repeating to continue along the long bearing of trend of wall prints, symmetrical cell shoe prints, unit carries out print and constitutes,
（3）Control device control extrusion mould makees following rotation relative to mask, is continued according to a wall cross section along wall length direction
Different configuration, by with the die cavity corresponding to another construction that continues of construction for just carrying out print turn to mask to cover chamber corresponding,
（4）Second step and third step are repeated, until obtaining the complete cross section of one layer of whole wall body carries out print,
（5）Manipulator is raised in stepping, is continued on next layer of wall with foregoing shoe print formula printing, repetition is raised and successively carried out
Print, obtains the wall of a 3D construction, and this wall includes hollow wall.
14. the template Wai Shi Monei extrusion 3D printing methods of hollow wall according to claim 11, it is characterised in that
Mask is a kind of hollow cylinder, covers chamber and is arranged on the face of cylinder, and extrusion mould or a kind of correspondence are stacked on the face of cylinder
Arc housing, or it is a kind of it is coaxial be nested with another hollow cylinder on the face of cylinder, extrusion die cavity or positioned at the arc shell
On the arc surface of body or on the face of cylinder of another hollow cylinder, the reciprocating motion between extrusion mould and mask is one
Plant reciprocating rotation.
15. the template Wai Shi Monei extrusion 3D printing methods of hollow wall according to claim 11, it is characterised in that
Mask is a kind of hollow cylinder, and cylinder where covering chamber is a kind of plane, and extrusion mould is that a kind of correspondence is stacked on this plane
Flat board, extrusion die cavity is through being arranged on the flat board, and the reciprocating motion between extrusion mould and mask is that one kind is moved back and forth.
16. the template Wai Shi Monei extrusion 3D printing methods of hollow wall according to claim 13, it is characterised in that
Driving extrusion mould and mask are made to move along the long bearing of trend of wall and second drive device synchronous with reciprocating motion, driving jointly
What drives edge wall thickness direction when raising extrusion mould and mask and can also decline the 3rd mobile drive device, need of interval was moved
Four-drive device is installed in outside manipulator, but is connected with robotic transfer.
17. the template Wai Shi Monei extrusion 3D printing methods of hollow wall according to claim 11, it is characterised in that
Control device includes a kind of sensor, and sensor feeds back the positional information of printhead to control device, and control device will be read
Extruder head positional information and setting Back ground Information be compared, corresponding control signal is sent according to comparative result, control
Driving printhead is printed by shoe print formula is set for.
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| DE102010025006A1 (en) * | 2010-06-24 | 2011-12-29 | Kautex Textron Gmbh & Co. Kg | Process for the production of hollow bodies of thermoplastic material and apparatus for carrying out the process |
| CN203805328U (en) * | 2014-05-09 | 2014-09-03 | 温州腾腾机电科技有限公司 | Large three-dimensional (3D) printer |
| CN204059742U (en) * | 2014-08-01 | 2014-12-31 | 赣州合利新型建材有限公司 | The wallboard of honeycomb fashion core frame is had in a kind of intensity is high |
| CN204869164U (en) * | 2015-03-30 | 2015-12-16 | 福建海源自动化机械股份有限公司 | Hollow wall's template outside shi monei extrude 3D printing device |
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