CN105386598A - Printing device and printing method used for 3D printing - Google Patents
Printing device and printing method used for 3D printing Download PDFInfo
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- CN105386598A CN105386598A CN201510785985.8A CN201510785985A CN105386598A CN 105386598 A CN105386598 A CN 105386598A CN 201510785985 A CN201510785985 A CN 201510785985A CN 105386598 A CN105386598 A CN 105386598A
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Abstract
The invention discloses a printing device and a printing method used for 3D printing and relates to the technical field of building construction, aiming at solving the problem of the existing 3D printing devices that requirement of construction of huge-scale buildings cannot be met because printing dimension is limited and the working efficiency of a single printing head is low. The device comprises a closed track frame and at least two printing head cross beams with two ends capable of sliding along the track frame, wherein a printing head capable of sliding along the printing head cross beam is arranged on each printing head cross beam. The printing method comprises the following steps: installing the printing device, wherein the printing heads can move along the printing head cross beams and simultaneously can eject building material, the printing head cross beams move for set distance along the track frame after printing one row, and the operation is repeated until completing printing construction of the current cross section layer of the building row by row; after printing of the current cross section layer is ended, moving the track frame upwards for set distance, so that the printing device ascends to the height at which the upper layer of to-be-printed cross section layer of the building is located; and repeating the steps, so as to print all cross section layers of the building layer by layer from bottom to top.
Description
Technical field
The present invention relates to technical field of building construction, particularly a kind of printing equipment for the printing of 3D building and method.
Background technology
As everyone knows, 3D prints building can make full use of printing Based Intelligent Control, make building one-shot forming, reduce the materials and process loss in building, it can allow following construction worker's labour intensity greatly reduce, and working environment improves greatly, work more efficient, it can also accomplish to allow building energy consumption significantly reduce, and effectively can improve the impact of construction dust and noise, avoid environment.
Although, 3D printing technique from we more and more close to, no longer the concept on paper already, but, current 3D printing technique is also only limitted to housing construction in the application of construction market, the construction of the small volume buildings such as small-sized venue, its reason is as follows: existing 3D printing equipment small volume for building (3D printing equipment size for building as first batch of in the whole world: length × wide × height is respectively 150m × 10m × 6.6m), and the printing of gantry frame type 3D printing equipment is highly limited, and, they all adopt unit, printhead, for the construction of the huge building of the scale of construction, not only inapplicable, and operating efficiency is low.
Visible, how to overcome the limitation in existing 3D printing equipment structure and construction method, the construction of large building thing can be adapted to, following 3D printing technique is really promoted at building field, apply tool and be of great significance.
Summary of the invention
Printing yardstick for existing 3D printing equipment has limitation, and unit, printhead operating efficiency is low, the problem of the construction needs of large building thing can not be met, the object of this invention is to provide a kind of printing equipment for 3D printing and method, constructed in the same scope of operation by multiple printhead crossbeam of being set up in parallel and printhead simultaneously, thus improve operating efficiency.
The present invention solves a kind of printing equipment printed for 3D that its technical problem adopts, and comprises a closed track-frame; At least two printhead crossbeams can slided along described track-frame in two ends; Printhead crossbeam described in every root is arranged the printhead that at least one can slide along described printhead crossbeam; The two ends of described printhead crossbeam are provided with slide block or roller set, and described track-frame has at least one pair of symmetrically arranged slideway, and described slide block or roller set and described slideway are slidably matched, and can be slided along described track-frame in the two ends of described printhead crossbeam.
Preferably, also comprise printhead link, the printing head rod that described printhead link comprises pedestal and is fixedly connected with described pedestal, described printhead is connected on described printing head rod, described pedestal and described printhead crossbeam are slidably matched, and described printhead can be slided along described printhead crossbeam.
Preferably, the bottom of described track-frame is also connected with some montants, and described track-frame is rigidly connected by the top of described montant and climbing device.
Preferably, described climbing device comprises two framing formula linking beams, frame type linking beam described in two groups connects into a general frame structure by some hydraulic climbing mechanisms, and often organize described frame type linking beam be connected to by attachment device described in printed the alien invasion of building body;
Described hydraulic climbing mechanism comprises hydraulic lifting oil cylinder and driver element thereof, the cylinder body of described hydraulic lifting oil cylinder and piston are separately fixed on frame type linking beam described in two groups, described driver element can control described hydraulic climbing mechanism synchronization of jacking up or decline, and then drive described frame type linking beam to do corresponding motion, make described climbing device progressively to climb relative to the described building body that printed or to decline;
Described attachment device comprises transverse hydraulic mechanism and expansion board, described transverse hydraulic mechanism comprises hydraulic jack and driver element thereof, one end of described hydraulic jack is connected on described frame type linking beam, the affixed described expansion board of the other end of described hydraulic jack, and offset with the described alien invasion having printed building body, described driver element synchronously can extend or shrinks by the described hydraulic jack of control connection on same frame type linking beam, and then makes the alien invasion having printed building body described in corresponding described frame type linking beam attachment or disengaging.
Preferably, printhead crossbeam top described in every root all arranges symmetrical lattice support frame one, described lattice support frame one is the structural system composed of bar be formed by connecting by shaped steel, steel pipe or compound section rod member, the axis of symmetry of described lattice support frame one and the longitudinal axes coincide of described printhead crossbeam, and the height of described lattice support frame one diminishes gradually from middle part to end.
Preferably, described lattice support frame one is connected in sequence by least four frame units, wherein, along in symmetrical axisymmetric two frame units one, brace is connected with between the edge of a wing, center and adjacent two web members, two described frame units one are connected by the two ends of side wing edge with described printhead crossbeam, and form the frame unit two being positioned at both sides, the edge of a wing, described center and described side wing edge form continuous print broken line or camber line; Be hinged between each rod member of described lattice support frame one, described printhead crossbeam is connected with some keysets, rod member and the described keyset of described lattice support frame one are hinged.
Preferably, described slideway top arranges symmetrical lattice support frame two, the axis of symmetry of described lattice support frame two and the longitudinal axes coincide of described slideway, described lattice support frame two is connected in sequence by least four frame units, wherein, along in symmetrical axisymmetric two frame unit A, brace is connected with between the edge of a wing, center and adjacent two web members, two described frame unit A are connected by the two ends of side wing edge with described slideway, form the frame unit B being positioned at both sides, the edge of a wing, described center and side wing edge form continuous print broken line or camber line.
In addition, present invention also offers a kind of 3D Method of printing, step is as follows:
One, install described printing equipment, make described track-frame stable support in the terrace of building body to be printed, described printhead is positioned at suitable height above cross-sectional layer to be printed;
Two, make described printhead along described printhead cross beam movement, spray building material, described printhead often prints a line simultaneously, and described printhead crossbeam moves a setpoint distance along described track-frame, so move in circles, complete the printing construction of building body current cross-sectional layer line by line;
Three, after described current cross-sectional layer prints and terminates, move up track-frame a setpoint distance, makes described printing equipment jacking to the height at building body last layer cross-sectional layer place to be printed;
Four, above-mentioned steps two and step 3 repeatedly, bottom-uply successively prints each cross-sectional layer of building body.
Preferably, also step 5 is comprised after described step 4, after printing building body and there is certain altitude, described climbing device is installed, print the alien invasion of building body described in making that frame type linking beam described in two groups is all stable and being attached to, and described printing equipment has been rigidly attached to the top of described climbing device, after the printing of current cross-sectional layer terminates, make the alien invasion having printed building body described in a group described in the disengaging of frame type linking beam, by synchronous elongation or the contraction of described hydraulic climbing mechanism, make the described frame type linking beam of this group move up a setpoint distance and stable be attached to described in printed the alien invasion of building body, then, another is made to organize the alien invasion having printed building body described in the disengaging of described frame type linking beam, by synchronous elongation or the contraction of described hydraulic climbing mechanism, this group described frame type linking beam is moved up identical setpoint distance, thus by described printing equipment jacking to the height at building body last layer cross-sectional layer place to be printed, so move in circles, bottom-up successively print each cross-sectional layer until complete building body entirety printing construction.
Preferably, also step 6 is comprised after described step 5, the dismounting of described printing equipment, after described building body has printed, the transverse hydraulic mechanism controlling frame type linking beam described in two groups shrinks simultaneously, make its depart from described in print building body, printing equipment and described climbing device described in printing equipment described in Integral lifting or respectively handling; Or, make multiple described printhead crossbeam near described slideway side, control frame type linking beam described in two groups alternately drop to described in printed the bottom of building body, and make described climbing device depart from described in print building body, then remove described printing equipment.
Effect of the present invention is:
One, huge for the current building body structure scale of construction, and existing printing equipment not only print yardstick have limitation and also only have a printhead, the defect of large building thing construction cannot be applied to, the present invention is used for the printing equipment that 3D prints, the track-frame of printing equipment arranges at least two printhead crossbeams be slidably matched with track-frame arranged side by side, and each printhead crossbeam all connects a printhead, each printhead all can independent operating, cephalomotor impact is not printed by other, and then in the scope of operation of 3D printing equipment, introduce at least two printheads, and each printhead all can slide along printhead crossbeam, printhead is made repeatedly to move along the y-axis direction of the scope of operation and to print building material, above-mentioned printhead crossbeam and track-frame are slidably matched, and make printhead crossbeam that printhead can be driven to move along scope of operation x-axis direction, thus realize printhead in building body cross-sectional layer based on xy plane flexible motion, visible, this printing equipment is constructed in the same scope of operation by connecting multiple printhead simultaneously, improves efficiency of construction.
Two, 3D Method of printing of the present invention, first, print line by line at building current cross-sectional layer by controlling multiple printhead, after current cross-sectional layer has printed, by printing equipment jacking to the height at building body last layer cross-sectional layer place to be printed, and again control multiple printhead and print line by line at current cross-sectional layer, so circulate, realize printing equipment and successively print and climb continuously; Because this Method of printing utilizes multiple printhead to print construction in same cross-sectional layer simultaneously, more existing unit, printhead significantly improves operating efficiency, and successively jacking printing equipment, achieves and print working continuously of construction, shorten the construction period.
Accompanying drawing explanation
Fig. 1 is that one embodiment of the invention printing equipment and climbing device are installed on the schematic diagram printed on building body;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the structural representation of printing equipment in one embodiment of the invention;
Fig. 4 is the A-A sectional drawing of Fig. 3;
Fig. 5 is that in one embodiment of the invention, climbing device is installed on the structural representation printed on building body;
Fig. 6 is the top view of Fig. 5;
Fig. 7 is the structural representation that the lattice support frame one of one embodiment of the invention is installed on printhead crossbeam;
Fig. 8 is the partial enlarged drawing of the part A of Fig. 7;
Fig. 9 is the partial enlarged drawing of the part B of Fig. 7;
Figure 10 is the structural representation that the lattice support frame two of one embodiment of the invention is installed on track-frame.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments to the present invention propose a kind of for 3D print printing equipment and method be described in further detail.According to explanation below and claims, advantages and features of the invention will be clearer.Below by cited embodiment by reference to the accompanying drawings, technology contents of the present invention and feature will be described in detail.Need to illustrate in addition, accompanying drawing all adopts the form that simplifies very much and all uses non-ratio accurately, only in order to object that is convenient, the aid illustration embodiment of the present invention lucidly.For sake of convenience, hereinafter described " on ", D score is consistent with the upper and lower direction of accompanying drawing, but this can not become the restriction of technical solution of the present invention.
Embodiment one: composition graphs 1 ~ Figure 10 illustrates the printing equipment printed for 3D of the present invention, the present embodiment prints construction for the 3D of large building thing, in order to specific direction relation, be provided with z-axis direction on demand as the xyz rectangular coordinate system printing building body 1 height bearing of trend.Above-mentioned printing equipment 10 comprises a rectangle and closed track-frame 11, and three the printhead crossbeams 13 can slided along track-frame 11 in two ends, and every root printhead crossbeam 13 is arranged a printhead 16 that can slide along printhead crossbeam 13; The two ends of the present embodiment printhead crossbeam 13 are provided with slide block or roller set 13a, track-frame 11 has the c-shaped and symmetrically arranged slideway 11a of cross section, above-mentioned slide block or roller set 13a and slideway 11a are slidably matched, and the two ends of printhead crossbeam 13 can be free to slide along the slideway 11a of track-frame 11 (i.e. x-axis direction).Because slide block or roller set 13a all can be inlaid in the C shape atrium of slideway 11a safely and reliably, therefore, said structure can ensure printhead crossbeam 13 stable operation on track-frame 11.
Huge for the current building body structure scale of construction, and existing printing equipment not only print yardstick have limitation and also only have a printhead, the defect of large building thing construction cannot be applied to, the present invention is used for the printing equipment that 3D prints, the track-frame 11 of printing equipment 10 arranges at least two printhead crossbeams 13 be slidably matched with track-frame 11 arranged side by side, and each printhead crossbeam 13 all connects a printhead 16, each printhead 16 all can independent operating, not by the impact of other printhead 16 motion, and then in the scope of operation of 3D printing equipment, introduce at least two printheads 16, and each printhead 16 all can slide along printhead crossbeam 13, printhead 16 is made repeatedly to move along the y-axis direction of the scope of operation and to print building material, above-mentioned printhead crossbeam 13 is slidably matched with track-frame 11, makes printhead crossbeam 13 that printhead 16 can be driven to move along scope of operation x-axis direction, thus realizes printhead 16 in building body cross-sectional layer based on xy plane flexible motion, visible, this printing equipment 10 is constructed in the same scope of operation by connecting multiple printhead 16 simultaneously, improves efficiency of construction.
Be connected with the stable of printhead crossbeam 13 for realizing printhead 16, as shown in Figure 4, printing equipment 10 also comprises printhead link, described printhead link comprises the pedestal 14 that can be slidably matched with printhead crossbeam 13, and the printing head rod 15 to be fixedly connected with pedestal 14, printhead 16 is connected on pedestal 14 by printing head rod 15.Specifically, the pedestal 14 in the present embodiment with C tee section is set on printhead crossbeam 13, and can slide along printhead crossbeam 13, thus drives printhead 16 to be free to slide along printhead crossbeam 13 (i.e. y-axis direction).
Further, as shown in Figure 1, the bottom of track-frame 11 is also connected with some montants 12, track-frame 11 is rigidly connected by the top of montant 12 with climbing device 20, the connecting elements of montant 12 not still track-frame 11 and climbing device 20, but also have adjusted both spacing, to ensure the operating distance that printing equipment 10 and the scope of operation are suitable.Be rigidly connected as welding, bolt connection etc. above, the present embodiment preferred bolt connects, and can realize rapid-assembling and the dismounting of printing equipment 10 and climbing device 20.
In addition, the printing equipment 10 of the present embodiment also comprises drive unit one (not shown) be electrically connected with printhead crossbeam 13, drive unit two (not shown) be electrically connected with printhead link, above-mentioned drive unit one, drive unit two and printhead 16 all communicate to connect with power control system.When power control system is respectively to drive unit two and printhead 16 sending controling instruction, printhead 16 can be reciprocatingly moved along printhead crossbeam 13, simultaneously printhead 16 exports building material and prints, after a line printing terminates, power control system, to drive unit one sending controling instruction, makes printhead crossbeam 13 move along slideway 11a, to carry out the printing of next line, so move in circles, thus complete the printing construction of building body current cross-sectional layer line by line.Because power control system is not in the protection domain of the claims in the present invention, therefore its structure and annexation are not specifically addressed.
Please refer to Fig. 5 and Fig. 6, the climbing device 20 of the present embodiment is enclosed in by two groups the alien invasion printing building body 1, and the general frame structure that in the vertical direction is consisted of the frame type linking beam that hydraulic climbing mechanism 23 connects, every framing formula linking beam is all fixed on the alien invasion printing building body 1 by some attachment devices.For convenience of description, hereafter the frame type linking beam being positioned at top is called frame type linking beam 1, the frame type linking beam being positioned at below is called frame type linking beam 2 22.Two framing formula linking beams 21,22 are fixed on by attachment device the alien invasion printing building body 1, thus provide stable support for the printing equipment 10 be fixed on above climbing device 20.
Above-mentioned hydraulic climbing mechanism 23 comprises hydraulic lifting oil cylinder and driver element thereof, the cylinder body of hydraulic lifting oil cylinder is fixed on frame type linking beam 2 22, its piston is connected on frame type linking beam 1, and cylinder body and piston have suitable length, to ensure that the length of elongation state can meet the job requirements of printing equipment 10, described driver element and power control system communicate to connect, power control system can to driver element sending controling instruction and the jacking of Synchronization Control hydraulic lifting oil cylinder and decline, frame type linking beam 1 is made progressively to climb along the z-axis direction relative to printing building body 1 or to decline based on frame type linking beam 2 22, and then drive printing equipment 10 climb or decline.
Above-mentioned attachment device comprises transverse hydraulic mechanism 24 and expansion board 25, one end of transverse hydraulic mechanism 24 is hinged on frame type linking beam, its other end and expansion board 25 affixed after be resisted against the alien invasion printing building body 1, driver element and the power control system of above-mentioned transverse hydraulic mechanism 24 communicate to connect, Synchronization Control can be connected to elongation and the contraction of the transverse hydraulic mechanism 24 on same frame type linking beam, and then frame type linking beam is adhered to or departs from the alien invasion having printed building body 1.The quantity of above-mentioned transverse hydraulic mechanism 24 according to the size of the building scale of construction, and can carry out relative set under the prerequisite of guarantee printing equipment 10 stability.The setting of expansion board 25, transverse hydraulic mechanism 24 is increased with the contact area printing building body 1 alien invasion, and contact evenly, there is enough frictional force between the two, both ensured that expansion board 25 is printing the attachment on building body 1 body of wall reliably effectively, can avoid again the end of transverse hydraulic mechanism 24 to the destruction printing building body 1 body of wall.
In work progress, when transverse hydraulic mechanism 24 is all elongation state, hydraulic coupling applies pressure to expansion board 25 and makes to produce between expansion board 25 and the body of wall having printed building body 1 frictional force, two framing formula linking beams 21 are made by frictional force, 22 all stable being attached to print on building body 1 alien invasion, thus realize two framing formula linking beams 21, the location of 22, if now hydraulic climbing mechanism 23 is contraction state, then synchronous is connected to the transverse hydraulic mechanism 24 on frame type linking beam 1, frame type linking beam 1 is made to depart from the alien invasion having printed building body 1, synchronization of jacking up hydraulic climbing mechanism 23, by frame type linking beam 1 jacking to the height set, the transverse hydraulic mechanism 24 of control connection on frame type linking beam 1 extends, make frame type linking beam 1 can stablize the alien invasion being attached to and printing building body 1, then, the transverse hydraulic mechanism 24 be connected on frame type linking beam 2 22 is shunk, frame type linking beam 2 22 is made to depart from the alien invasion having printed building body 1, after frame type linking beam 2 22 is upwards promoted to certain altitude under the drive of hydraulic climbing mechanism 23, the transverse hydraulic mechanism 24 of control connection on frame type linking beam 2 22 extends, frame type linking beam 2 22 is stablized and is attached to the alien invasion printing building body 1, and so forth, by controlling two framing formula linking beams 21, 22 alternately climb, making climbing device 20 relative to printing building body 1 progressively climbs along the z-axis direction, and coordinate printing equipment 10 to realize the bottom-up successively printing construction of each cross-sectional layer of building body.In sum, hydraulic climbing mechanism 23 between climbing device 20 frame type linking beam carries out stretching motion under the control of power control system, make frame type linking beam that printing equipment 10 can be driven to move up along z-axis relative to printing building body 1 step by step, and then make above-mentioned printing equipment 10 while automation is climbed, complete the bottom-up successively printing construction of each cross-sectional layer of building body; And, it can be climbed by the continous-stable realizing printing equipment 10 that alternately climbs automatically controlling climbing device 20 frame type linking beam, to adapt to different building heights, process of climbing is without the need to manually laying guide rail section, not only alleviate the labour intensity of constructor, and the installation avoiding guide rail section is to the destruction of building body body of wall, also improve operating efficiency reliably at guarantee construction safety simultaneously.
Because the building scale of construction is huge, the present embodiment middle orbit framework 11 is relative with the size of printhead crossbeam 13 also larger, under the impact that track-frame 11 and printhead crossbeam 13 own wt and printhead 16 move, amount of deflection in the middle part of printhead crossbeam 13 and track-frame 11 body of rod is large, and unit length amount of deflection difference is large, the kinematic accuracy of printhead 16 can not get effective control.Refer to Fig. 7 to Fig. 9, for solving the problem, the present embodiment all independently arranges symmetrical lattice support frame 1 on each printhead crossbeam 13 top, lattice support frame 1 is by shaped steel, the structural system composed of bar that steel pipe or compound section rod member are formed by connecting, and the longitudinal axes coincide of the axis of symmetry ax of lattice support frame 1 and printhead crossbeam 13, lattice support frame 1 middle height is maximum, two ends height is minimum, height diminishes gradually from middle part to end, the height of concrete each several part rod member needs to calculate according to the span of printhead crossbeam 13 to determine.The setting of lattice support frame 1 can reduce amount of deflection in the middle part of printhead crossbeam 13 and unit length amount of deflection poor, and then effectively control printing precision, improve print quality.
Specifically, the lattice support frame 1 of the present embodiment is connected in sequence by least four frame units, wherein, along in two frame units one of axis of symmetry ax symmetry, brace 30c is connected with between the edge of a wing, center 30a and adjacent two web member 30b, above-mentioned two frame units one are connected with the two ends of printhead crossbeam 13 by side wing edge 30d, and form the frame unit two being positioned at both sides thus, above-mentioned center edge of a wing 30a and side wing edge 30d forms continuous print broken line or camber line.Because lattice support frame 1 covers printhead crossbeam 13 total length, and the continuous broken line of the edge of a wing, center 30a and side wing edge 30d formation or the arc deflection curve shape of camber line and printhead crossbeam 13 are coincide better, therefore, effectively can avoid the flexural deformation that printhead crossbeam 13 causes because size is comparatively large, make printhead 16 stable, to guarantee the print quality in cross-sectional layer y-axis direction.
Similar, as shown in Figure 10, the slideway 11a top of track-frame 11 is also provided with structure and the composition lattice support frame two 40 similar to lattice support frame 1, the axis of symmetry ax' of lattice support frame 2 40 and the longitudinal axes coincide of slideway 11a, lattice support frame 2 40 is connected in sequence by least four frame units, wherein, along in two frame unit A of axis of symmetry ax' symmetry, brace 40c is connected with between the edge of a wing, center 40a and adjacent two web member 40b, above-mentioned two frame unit A are connected with the two ends of slideway 11a by side wing edge 40d, form the frame unit B being positioned at both sides thus, above-mentioned center edge of a wing 40a and side wing edge 40d forms continuous print broken line or camber line.Because lattice support frame 2 40 covers slideway 11a total length, and the continuous broken line of the edge of a wing, center 40a and side wing edge 40d formation or the arc deflection curve shape of camber line and slideway 11a are coincide better, therefore, the flexural deformation that slideway 11a causes because size is comparatively large can be avoided, ensure that slideway 11a's is steady and unimpeded, to guarantee the print quality in cross-sectional layer x-axis direction.
Preferably, be hinged in above-mentioned lattice support frame 1 and lattice support frame 2 40 between each rod member, as shown in Figure 8, slideway 11a and printhead crossbeam 13 are connected with some keysets 50, lattice support frame 1 is hinged by keyset 50 and printhead crossbeam 13, lattice support frame 2 40 is hinged with slideway 11a by keyset 50, the more convenient operation of connection being arranged so that lattice support frame 40,50 and printhead crossbeam 13, slideway 11a of keyset 50, and less to the structural damage of printhead crossbeam 13 and slideway 11a.
Embodiment two: composition graphs 1 ~ Figure 10 illustrates 3D Method of printing of the present invention, the present embodiment be for absolute altitude ± 0.000 more than the construction of building, concrete steps are as follows:
S101: install printing equipment 10, make track-frame 11 steady rest be located at the smooth firm terrace surface of building body to be printed, printhead 16 is positioned at suitable height above cross-sectional layer to be printed, and is positioned at initial position;
S102: by power control system to printing equipment 10 sending controling instruction, each printhead 16 is moved along printhead crossbeam 13 direction, spray building material simultaneously, printhead 16 often prints a line, printhead crossbeam 13 moves a setpoint distance along slideway 11a, so move in circles, complete the printing construction of current cross-sectional layer line by line;
S103: after current cross-sectional layer prints and terminates, move up track-frame 11 setpoint distance, makes printing equipment 10 jacking to the height at building body last layer cross-sectional layer place to be printed;
S104: above-mentioned steps S102 and S103 repeatedly, bottom-up successively print each cross-sectional layer until complete whole building printing construction.
3D Method of printing of the present invention, first, print line by line at building current cross-sectional layer by controlling multiple printhead 16, after current cross-sectional layer has printed, by printing equipment 10 jacking to the height at building body last layer cross-sectional layer place to be printed, and again control multiple printhead 16 and print line by line at current cross-sectional layer, so circulate, realize printing equipment 10 and successively print and climb continuously; Because this Method of printing utilizes multiple printhead 16 to print construction in same cross-sectional layer simultaneously, more existing unit, printhead significantly improves operating efficiency, and successively jacking printing equipment 10, achieves and print working continuously of construction, shorten the construction period.
Also comprise step S105 after above-mentioned steps S104, treat that printing building body 1 has enough height, install climbing device 20, now, the height having printed building body 1 need be greater than the height under climbing device 20 contraction state, two framing formula linking beams 21,22 are all stablized and is attached to the alien invasion printing building body 1, and printing equipment 10 is rigidly attached to the top of climbing device 20, after the printing of current cross-sectional layer terminates, by power control system to climbing device 20 sending controling instruction, a framing formula linking beam is made to depart from the alien invasion having printed building body 1, by elongation or the contraction of hydraulic climbing mechanism 23, this framing formula linking beam is moved up a setpoint distance stable be attached to the alien invasion printing building body 1, then, another framing formula linking beam is made to depart from the alien invasion having printed building body 1, by elongation or the contraction of hydraulic climbing mechanism 23, this framing formula linking beam is also moved up identical setpoint distance, that is, by controlling the frame type linking beam 21 of climbing device 20, 22 alternately climb, make printing equipment 10 can along with building print height rising and progressively jacking, thus the bottom-up printing successively completing each cross-sectional layer, without the need to manually laying guide rail section, alleviate the labour intensity of constructor, also improve operating efficiency reliably at guarantee construction safety simultaneously.
Further, also comprise step S106 after step S105, remove printing equipment 10: after building has printed, the transverse hydraulic mechanism 24 controlling two framing formula linking beams 21,22 shrinks simultaneously, make it depart from and print building body 1, Integral lifting printing equipment 10; Or the montant 12 unclamping printing equipment 10 is connected with the bolt on climbing device 20 top, and makes climbing device 20 depart from the alien invasion printing building body 1, handling printing equipment 10 and climbing device 20 respectively; Or, make multiple printhead crossbeam 13 near slideway 11a side, control two framing formula linking beams 21,22 and alternately drop to the bottom having printed building body 1, and climbing device 20 is departed from print building body 1, then remove printing equipment 10.
Specifically, in above-mentioned steps S103, hydraulic climbing mechanism 23 comprises hydraulic lifting oil cylinder and driver element thereof, attachment device comprises the transverse hydraulic mechanism 24 and expansion board 25 that link together, as shown in Figure 5, when hydraulic climbing mechanism 23 is elongation state, the transverse hydraulic mechanism 24 be connected on frame type linking beam 2 22 is shunk and departs from the alien invasion printing building body 1, dynamic frame tye linking beam 2 22 is with to rise by hydraulic climbing mechanism 23, arrive after predetermined altitude until it, increase the hydraulic coupling of the transverse hydraulic mechanism 24 be connected on frame type linking beam 2 22, namely make transverse hydraulic mechanism 24 extend and make it again stablize to be attached to the alien invasion printing building body 1, subsequently, the transverse hydraulic mechanism 24 be connected on frame type linking beam 1 is shunk and departs from the alien invasion printing building body 1, hydraulic climbing mechanism 23 promotes frame type linking beam 1 and is fixed in printing equipment 10 synchronization of jacking up on its top, arrive after predetermined altitude until frame type linking beam 1, the transverse hydraulic mechanism 24 of control connection on frame type linking beam 1 extends and makes it again stablize and be attached to the alien invasion printing building body 1.
Be appreciated that the printing equipment for 3D printing provided by the invention and method also can be applied in the production of other large volume industrial products.
Foregoing description is only the description to present pre-ferred embodiments, any restriction not to the scope of the invention, and any change that the those of ordinary skill in field of the present invention does according to above-mentioned disclosure, modification, all belong to the protection domain of claims.
Claims (10)
1., for the printing equipment that 3D prints, it is characterized in that, comprising:
One closed track-frame;
At least two printhead crossbeams can slided along described track-frame in two ends;
Printhead crossbeam described in every root is arranged the printhead that at least one can slide along described printhead crossbeam;
The two ends of described printhead crossbeam are provided with slide block or roller set, and described track-frame has at least one pair of symmetrically arranged slideway, and described slide block or roller set and described slideway are slidably matched, and can be slided along described track-frame in the two ends of described printhead crossbeam.
2. printing equipment according to claim 1, it is characterized in that: also comprise printhead link, the printing head rod that described printhead link comprises pedestal and is fixedly connected with described pedestal, described printhead is connected on described printing head rod, described pedestal and described printhead crossbeam are slidably matched, and described printhead can be slided along described printhead crossbeam.
3. printing equipment according to claim 1 and 2, is characterized in that: the bottom of described track-frame is also connected with some montants, and described track-frame is rigidly connected by the top of described montant and climbing device.
4. printing equipment according to claim 3, it is characterized in that: described climbing device comprises two framing formula linking beams, frame type linking beam described in two groups connects into a general frame structure by some hydraulic climbing mechanisms, and often organize described frame type linking beam be connected to by attachment device described in printed the alien invasion of building body;
Described hydraulic climbing mechanism comprises hydraulic lifting oil cylinder and driver element thereof, the cylinder body of described hydraulic lifting oil cylinder and piston are separately fixed on frame type linking beam described in two groups, described driver element can control described hydraulic climbing mechanism synchronization of jacking up or decline, and then drive described frame type linking beam to do corresponding motion, make described climbing device progressively to climb relative to the described building body that printed or to decline;
Described attachment device comprises transverse hydraulic mechanism and expansion board, described transverse hydraulic mechanism comprises hydraulic jack and driver element thereof, one end of described hydraulic jack is connected on described frame type linking beam, the affixed described expansion board of the other end of described hydraulic jack, and offset with the described alien invasion having printed building body, described driver element synchronously can extend or shrinks by the described hydraulic jack of control connection on same frame type linking beam, and then makes the alien invasion having printed building body described in corresponding described frame type linking beam attachment or disengaging.
5. printing equipment according to claim 1 and 2, it is characterized in that: described in every root, printhead crossbeam top all arranges symmetrical lattice support frame one, described lattice support frame one is the structural system composed of bar be formed by connecting by shaped steel, steel pipe or compound section rod member, the axis of symmetry of described lattice support frame one and the longitudinal axes coincide of described printhead crossbeam, and the height of described lattice support frame one diminishes gradually from middle part to end.
6. printing equipment according to claim 5, it is characterized in that: described lattice support frame one is connected in sequence by least four frame units, wherein, along in symmetrical axisymmetric two frame units one, brace is connected with between the edge of a wing, center and adjacent two web members, two described frame units one are connected by the two ends of side wing edge with described printhead crossbeam, and form the frame unit two being positioned at both sides, the edge of a wing, described center and described side wing edge form continuous print broken line or camber line; Be hinged between each rod member of described lattice support frame one, described printhead crossbeam is connected with some keysets, rod member and the described keyset of described lattice support frame one are hinged.
7. printing equipment according to claim 1 and 2, it is characterized in that: described slideway top arranges symmetrical lattice support frame two, the axis of symmetry of described lattice support frame two and the longitudinal axes coincide of described slideway, described lattice support frame two is connected in sequence by least four frame units, wherein, along in symmetrical axisymmetric two frame unit A, brace is connected with between the edge of a wing, center and adjacent two web members, two described frame unit A are connected by the two ends of side wing edge with described slideway, form the frame unit B being positioned at both sides, the edge of a wing, described center and side wing edge form continuous print broken line or camber line.
8. a 3D Method of printing, is characterized in that: adopt the printing equipment printed for 3D as described in any one of claim 1 to 7, step is as follows:
One, install described printing equipment, make described track-frame stable support in the terrace of building body to be printed, described printhead is positioned at suitable height above cross-sectional layer to be printed;
Two, make described printhead along described printhead cross beam movement, spray building material, described printhead often prints a line simultaneously, and described printhead crossbeam moves a setpoint distance along described track-frame, so move in circles, complete the printing construction of building body current cross-sectional layer line by line;
Three, after described current cross-sectional layer prints and terminates, move up track-frame a setpoint distance, makes described printing equipment jacking to the height at building body last layer cross-sectional layer place to be printed;
Four, above-mentioned steps two and step 3 repeatedly, bottom-uply successively prints each cross-sectional layer of building body.
9. 3D Method of printing according to claim 8, it is characterized in that: after described step 4, also comprise step 5, after printing building body and there is certain altitude, described climbing device is installed, print the alien invasion of building body described in making that frame type linking beam described in two groups is all stable and being attached to, and described printing equipment has been rigidly attached to the top of described climbing device, after the printing of current cross-sectional layer terminates, make the alien invasion having printed building body described in a group described in the disengaging of frame type linking beam, by synchronous elongation or the contraction of described hydraulic climbing mechanism, make the described frame type linking beam of this group move up a setpoint distance and stable be attached to described in printed the alien invasion of building body, then, another is made to organize the alien invasion having printed building body described in the disengaging of described frame type linking beam, by synchronous elongation or the contraction of described hydraulic climbing mechanism, this group described frame type linking beam is moved up identical setpoint distance, thus by described printing equipment jacking to the height at building body last layer cross-sectional layer place to be printed, so move in circles, bottom-up successively print each cross-sectional layer until complete building body entirety printing construction.
10. 3D Method of printing according to claim 9, it is characterized in that: after described step 5, also comprise step 6, the dismounting of described printing equipment, after described building body has printed, the transverse hydraulic mechanism controlling frame type linking beam described in two groups shrinks simultaneously, make its depart from described in print building body, printing equipment and described climbing device described in printing equipment described in Integral lifting or respectively handling; Or, make multiple described printhead crossbeam near described slideway side, control frame type linking beam described in two groups alternately drop to described in printed the bottom of building body, and make described climbing device depart from described in print building body, then remove described printing equipment.
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Application publication date: 20160309 |