CN209240487U - A kind of 3D printing component and 3D printing equipment - Google Patents

Abstract

This application involves 3D printing technique fields more particularly to a kind of 3D printing component and 3D printing equipment, 3D printing equipment, and slicing layer is formed in print procedure, wherein 3D printing head group includes the first printhead cluster；Second printhead cluster distributes different printed materials from first printhead cluster；First printhead cluster and second printhead cluster be mutually indepedent and time-sharing work；First printhead cluster includes multiple mutually approximately parallel first print heads；Second printhead cluster includes multiple mutually approximately parallel second print heads；The arragement direction of the arragement direction of first print head and second print head has default angle, and the default angle does not include 0 °, 180 °, 360 °.After adopting the structure, the problem of intersection in 3D printing between different materials is easy to happen mutual infiltration is effectively improved, guarantees the printing precision of object.

Description

A kind of 3D printing component and 3D printing equipment

Technical field

This application involves 3D printing technique field more particularly to a kind of 3D printing component and 3D printing equipment.

Background technique

3DP (3D Printing, 3D printing) technology is also known as AM (Additive Manufacturing, increasing material manufacturing) Technology or RP (Rapid Prototyping, rapid shaping) technology, be based on discrete-accumulation principle, by by model layers, It is successively printed in support platform, then multiple-layer stacked is finally made the D structure technology of target 3D object, including FDM (Stereo Lithography Apparatus is stood by (Fused Deposition Modeling, fusion sediment) technology, SLA Body photocuring) technology, SLS (Selective Laser Sintering, selective laser sintering) technology, DLP (Digital Light Processing, digital light processing) technology, LOM (Laminated Object Manufacturing, laminated solid body Manufacture) technology, ink-jet technology etc..

It include multiple print heads discharged side by side on the word vehicle of existing ink-jet 3D printer, the main scanning direction of word vehicle is X, Sub-scanning direction is Y, and the nozzle arrangement on print head is oriented parallel to Y, and print head orientation is parallel to X.Print head distribution Material can be identical or different photosensitive resin material or temperature-curable material, for example including distribution different colours entity Multiple print heads of material, the multiple print heads for distributing backing material etc..

In addition, on word vehicle, print head side be provided with solidification equipment, the type according to printed material be usually UV solidification dress It sets or/and temperature-curable device, the printing type of 3D printer specifically:

1, print head is solidified after the main scanning stage sprays ink droplet using solidification equipment, cambial a part；

2, one distance of print head subscan stepping repeats the print job of next main scanning；

3, repeat the above steps the entire layer of 2 formation, and multiple layers of superposition form printing objects.

Also, printing objects be possible to there is a situation where at some position it is hanging, printing when should have support construction Support is provided, support construction is easily removed relative to entity structure, is easy to post-processing.

And due to dividing in the said one main scanning stage in the entity area of entity structure and the supporting zone of support construction Not Pen She solid material and backing material, then just solidified using solidification equipment, therefore, to before curing materials after blasting materials In this period the case where the intersection generating material of entity area and supporting zone mutually seeps, the result mutually seeped will lead to object Printing precision be affected, may cause when serious object cracking.

Summary of the invention

This application provides a kind of 3D printing component and 3D printing equipment, when being effectively improved printing between different materials Intersection is easy to happen the problem of mutually infiltering and influence printing precision.

The first aspect of the application provides a kind of 3D printing component, is used for 3D printing equipment, and the 3D printing equipment exists Slicing layer is formed in print procedure, comprising:

First printhead cluster；

Second printhead cluster distributes different printed materials from first printhead cluster；

First printhead cluster and second printhead cluster be mutually indepedent and time-sharing work；

First printhead cluster includes multiple mutually approximately parallel first print heads；

Second printhead cluster includes multiple mutually approximately parallel second print heads；

The arragement direction of the arragement direction of first print head and second print head has default angle, described pre- If angle does not include 0 °, 180 °, 360 °.

Preferably, the default angle is 90 ° approximate.

Preferably, the 3D printing component further include around first printhead cluster and second printhead cluster and The first curing mechanism being arranged；

The printed material that first curing mechanism is used to distribute first printhead cluster and the second printhead cluster into Row solidification.

Preferably, the 3D printing component further includes the second curing being correspondingly arranged with first printhead cluster Structure, the printed material for distributing first printhead cluster solidify；

The 3D printing component further includes the third curing mechanism being correspondingly arranged with second printhead cluster, for pair The printed material of the second printhead cluster distribution is solidified.

Preferably, first printhead cluster includes: with the second printhead cluster time-sharing work

First printhead cluster and the second printhead cluster alternating cycle work,

On same slicing layer, first printhead cluster is completed after printing on first direction, then is printed by described second Head group carries out the printing in second direction；Or,

First printhead cluster and the second printhead cluster sequential working,

On same slicing layer, first printhead cluster completes the slicing layer corresponding position using corresponding printed material Printing after, then printed using remainder of the corresponding printed material to the slicing layer by second printhead cluster.

Preferably, between different slicing layers, after first printhead cluster completes the printing of this layer of corresponding position, then Completing corresponding in the printing and at least one layer adjacent with this layer of this layer of remainder by second printhead cluster should The printing of first printhead cluster print position in layer.

Preferably, first printhead cluster is used for allocation entity material, and the solid material forms printing objects；

For distributing backing material, the backing material provides second printhead cluster for the overhanging portion of printing objects Support.

The second aspect of the application provides a kind of 3D printing equipment comprising 3D printing group described in any of the above embodiments Part.

It preferably, further include the first straightening mechanism and the second straightening mechanism；

First straightening mechanism is equipped with first printhead cluster；Second straightening mechanism and described second Printhead cluster is equipped with.

It preferably, further include print data generation module, the print data generation module classifies to print data Processing, generates the first print data and the second print data respectively；

First print data is input to first printhead cluster, is executed described in corresponding to as first printhead cluster The print job of first print data；Second print data is input to second printhead cluster, is printed by described second Head group executes the print job of corresponding second print data.

Technical solution provided by the present application can achieve it is following the utility model has the advantages that

3D printing component provided herein can be distributed by mutually independent printhead cluster different materials into Row successively printing, two printhead clusters cooperate, work sequentially or alternately, and will not carry out print job simultaneously, with This guarantees the high-precision of printing, avoids the problem that generating between different printed materials and mutually seep.

It should be understood that the above general description and the following detailed description are merely exemplary, this can not be limited Application.

Detailed description of the invention

Fig. 1 is the simple planar structure schematic diagram of 3D printing equipment provided by the embodiment of the present application；

Fig. 2 is a kind of word vehicle structural texture schematic diagram provided by the embodiment of the present application；

Fig. 3 is another kind word vehicle organigram provided by the embodiment of the present application；

Direction of motion schematic diagram when Fig. 4 is the printing of one of printhead cluster provided by the embodiment of the present application；

Direction of motion schematic diagram when Fig. 5 is the printing of another printhead cluster provided by the embodiment of the present application；

Fig. 6 is that schematic diagram of a layer structure is sliced provided by the embodiment of the present application；

Fig. 7 a-7d is a kind of printing type realization process schematic provided by the application specific embodiment；

Fig. 8 a-8d is that another kind printing type provided by the application specific embodiment realizes process schematic；

Fig. 9 a-9b is that printing type provided by the application comparative example realizes process schematic.

Appended drawing reference:

1- rack；

2- word vehicle；

3- support platform；

4-3D print components；

The first printhead cluster of 41-；

The second printhead cluster of 42-；

The first print head of 41a-；

The second print head of 42a-；

5- straightening mechanism；

The first straightening mechanism of 51-；

The second straightening mechanism of 52-；

6- curing mechanism；

The first curing mechanism of 61-；

The second curing mechanism of 62-；

63- third curing mechanism；

7- slicing layer；

71- entity part

72- support section；

P1- is printed for the first time；

Second of printing of P2-；

P3- third time prints；

P4- the 4th time printing.

The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the application Example, and together with specification it is used to explain the principle of the application.

Specific embodiment

For a better understanding of the technical solution of the present invention, being retouched in detail to the embodiment of the present invention with reference to the accompanying drawing It states.

It will be appreciated that the described embodiments are only a part of the embodiments of the utility model, rather than whole implementation Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts The all other embodiment obtained, fall within the protection scope of the utility model.

The term used in the utility model embodiment and is not intended to merely for for the purpose of describing particular embodiments Limit the utility model.The utility model embodiment and the "an" of singular used in the attached claims, " described " and "the" are also intended to including most forms, unless the context clearly indicates other meaning.

As shown in Figure 1, the embodiment of the present application provides a kind of 3D printing equipment, it is shown referring to Fig.1, including rack 1, word vehicle 2 and support platform 3, mobile mechanism is provided in rack 1, makes word vehicle 2, support platform 3 mobile respectively by mobile mechanism, support Platform 3 is parallel with 7 plane of slicing layer, and the direction of motion of support platform 3 is parallel to the direction of 7 increasing or decreasing of slicing layer, word vehicle 2 The plane for moving formation is parallel with the plane of slicing layer 7, and 3D printing component 4 is placed on word vehicle 2 and is firmly connected with it, support platform 3 are slidably connected in rack 1 and are located at 2 lower section of word vehicle, and 3D printing component 4 is placed in 3 top of support platform and is not in contact with it, and word 3D printing component 4 on vehicle 2 is disposed adjacent to one end of support platform 3；

Wherein, as shown in Figure 2 and Figure 3,3D printing component 4 includes the first printhead cluster 41, the second printhead cluster 42 and first Printhead cluster 41 distributes different printed materials, the first printhead cluster 41 and the second printhead cluster 42 is mutually indepedent and timesharing work Make, and is the working end of the first printhead cluster 41 and the second printhead cluster 42, the first printhead cluster 41 close to one end of slicing layer 7 Including multiple mutually approximately parallel first print head 41a；Second printhead cluster 42 includes multiple mutually approximately parallel second Print head 42a；The arragement direction of the arragement direction of first print head 41a and the second print head 42a have default angle, preset folder Angle does not include 0 °, 180 °, 360 °, is 90 ° approximate as preferably its default angle.

Wherein, the first print head 41a and the second print head 42a is inkjet print head, and the first print head 41a includes at least One first passage and the multiple first jets being connected to first passage, first passage are used to convey printing material to first jet Material；Second print head 42a includes at least one second channel and multiple second nozzles for being connected with the second channel, and second channel is used In to second nozzle convey printed material.

Wherein, 3D printing component 4 further includes first be arranged around the first printhead cluster 41 and the second printhead cluster 42 Curing mechanism 61；The printed material that first curing mechanism 61 is used to distribute the first printhead cluster 41 and the second printhead cluster 42 into Row solidification, alternatively, 3D printing component 4 includes the second curing mechanism 62 being correspondingly arranged with the first printhead cluster 41, for the The printed material of one printhead cluster 41 distribution is solidified；3D printing component 4 further includes being correspondingly arranged with the second printhead cluster 42 Third curing mechanism 63, the printed material for distributing the second printhead cluster 42 solidifies.

Wherein, as shown in Figure 4,5, the first printhead cluster 41 and 42 time-sharing work of the second printhead cluster include: the first printing Head group 41 and 42 alternating cycle work of the second printhead cluster, on same slicing layer 7, the first printhead cluster 41 completes first direction After upper printing, then by the printing in the second printhead cluster 42 progress second direction, or, the first printhead cluster 41 and the second print head 42 sequential workings of group, on same slicing layer 7, it is right that the first printhead cluster 41 using corresponding printed material completes the slicing layer 7 After the printing for answering position, then the remainder progress by the second printhead cluster 42 using corresponding printed material to the slicing layer 7 Printing；Between different slicing layers 7, after the first printhead cluster 41 completes the printing of this layer of corresponding position, then by the second printing Head group 42 completes the printing of this layer of remainder and corresponds to the first printing in the layer in at least one layer adjacent with this layer The printing of head 41 print positions of group.

Preferably, considering that common mobile mechanism makes word vehicle 2 and support platform 3 spatially with three sides of three coordinates To movement (as shown in Figure 1, instruction direction be X, Z direction of motion), thus the print head orientation of the first printhead cluster 41 with The angle between two lines that the orientation of the print head of second printhead cluster 42 is respectively formed is 90 °.

A kind of embodiment as the application (does not mark in figure, belongs to means conventional in the prior art and realize phase Answer the forms of motion in direction), mobile mechanism is divided into horizontal mobile mechanism and vertical shift mechanism；Horizontal mobile mechanism is divided into again One horizontal mobile mechanism and the second horizontal mobile mechanism, first level mobile mechanism include first motor, first motor output end The first lead screw is connected by the first retarder, word vehicle 2 is placed on the first lead screw and is threadedly coupled with it, makes word vehicle 2 in the first lead screw Upper sliding, the second horizontal mobile mechanism include the second motor, and the second motor output end connects the second lead screw by the second retarder, It is threadedly coupled sliding block on second lead screw, slides sliding block on the second lead screw, sliding block is fixedly connected with the first lead screw, and then drives the One lead screw is moved along the second lead screw axis direction；Vertical shift mechanism includes the third motor being placed in rack 1, third motor Output end is rotatablely connected concentric worm gear by transmission shaft, and the worm screw with worm gear is also rotatablely connected in rack 1, makes worm screw Rotation, 3 bottom of support platform are equipped with pedestal, threaded hole are equipped in pedestal, and worm screw one end is placed in threaded hole and is threadedly coupled with it, To drive support platform to move；

Preferably, the axis of the first lead screw and the second lead screw is mutually perpendicular to, and one among the first lead screw and the second lead screw Its a axis is parallel to the print head orientation of the first printhead cluster 41, another axis is parallel to the second printhead cluster 42 Print head orientation, the axis of worm screw is parallel to the direction of slicing layer increasing or decreasing, when making printing using such form Movement it is more accurate, to improve the accuracy of printing.

Above-mentioned mobile mechanism only realizes that it moves horizontally a kind of specific embodiment with vertical shift, but is not precluded Other may be implemented it and move horizontally the kind of drive with vertical shift, such as be realized by modes such as linear motor, V belt translations It moves horizontally and vertical shift accordingly.

As a kind of embodiment of the application, as shown in Figure 2,3, the first printhead cluster 41 is used for allocation entity material, Solid material forms printing objects；Second printhead cluster 42 is the hanging of printing objects for distributing backing material, backing material Part provides support.The printed material of printing objects, including curability material resin, wax are formed when solid material is printing； Backing material is provides the backing material of support when printing for the overhanging portion of printing objects, including the curability being easily removed Material resin, wax；

Under such embodiment, the first printhead cluster 41 includes multiple print heads, and each print head can be equipped with thereon Different solid materials can be the material that each print head is equipped with CMYK different colours as a kind of specific embodiment Material, the second printhead cluster 42 include that at least one print head since backing material is more single, generallys use under normal circumstances One print head, but it is not excluded for the presence of the backing material that a variety of differences easily remove in special circumstances, at this point, the number of print head Depending on according to the actual situation.

As a kind of optional embodiment of the application, as shown in Figure 2,3, straightening mechanism includes 51 He of the first straightening mechanism Second straightening mechanism 52, the first straightening mechanism 51 and the second straightening mechanism 52 are respectively placed in the first printhead cluster 41 and the second printing 42 sides of head group cooperate with it, for smoothing to printable layer, improve the precision of printable layer, belong to more conventional cooperation side Formula, therefore details are not described herein；Outside of the L-shaped semi-surrounding of first curing mechanism 61 after two printhead clusters combine, first is solid Change mechanism 61 and two printhead cluster cooperations (referring to one of Fig. 2 word vehicle organigram), shares two printhead clusters One curing mechanism, when the first printhead cluster 41 and the second printhead cluster 42 print in different directions, the printing material of distribution The material mechanism that can be cured is solidified；Alternatively, curing mechanism is divided into the second curing mechanism 62 and third curing mechanism 63, two Curing mechanism 62,63 be respectively placed in the side of the first printhead cluster 41 and the second printhead cluster 42 and respectively with corresponding print head Group cooperation (referring to another word vehicle organigram in Fig. 3)；Curing mechanism, straightening mechanism and two printings on word vehicle 2 Head group cooperate and it is non-interference.

As a kind of specific embodiment of the utility model, when printing each layer, the first printhead cluster 41 and second Printhead cluster 42 can complete a counterparty in the first printhead cluster 41 specifically, can be with forked working or sequential working After upward print job, the print job on other direction is completed by the second printhead cluster 42, is so recycled；Alternatively, After one printhead cluster 41 completes the corresponding print job of a layer, the corresponding printing work of a layer is completed by the second printhead cluster 42 Make.Data processing section:

The utility model needs to carry out print data acquisition to printing objects before printing, specifically, obtaining printing objects Model, by model information be converted into can terminal processed the identification of hierarchy slicing software data format, such as conversion sets up Body photoetching forms (Stereolithography, abbreviation STL) format, polygon archives (Polygon File Format, abbreviation PLY) format, Virtual Reality Modeling Language (Virtual Reality Modeling Language, abbreviation VWRL) format etc., Obtaining in turn can be by the printing objects information for the data format that hierarchy slicing software identifies.Then, to the model after format conversion Information is sliced by hierarchy slicing software, i.e. progress slicing treatment, bitmap images can be generated, then to each bitmap Image obtains 7 data of slicing layer of each layer after being parsed, 7 data of slicing layer are print data.

After generating print data, according to the configuration pair of the first printhead cluster 41 and the second printhead cluster 42 on print components Print data carries out classification processing, the first print data respectively handled by the first printhead cluster 41 and by the second printhead cluster Second print data of 42 processing.In printing, according to the direction of travel of word vehicle 2 respectively to the first printhead cluster 41 and second dozen It prints head group 42 and sends the first print data and the second print data, referring to shown in Fig. 4, Fig. 5, word vehicle 2 is wherein on a direction When mobile, the first printhead cluster 41 distributes material, when moving in the other directions, the second print head according to the first print data Group 42 distributes material according to the second print data.

As a kind of specific embodiment of the utility model, printhead cluster can be executed along the axis axis on the same axis Reciprocal printing on direction, back and forth when printing, the sequence of adjustment print data transmission；It is adjacent when executing print job The initial print stage and final printing stage of layer can correspond to, such as the final printing stage of current layer is the second printhead cluster Printing on 42 axis directions executed is similarly being somebody's turn to do for the second printhead cluster execution next layer of initial print stage Printing on direction.For the formation time for reducing printing objects, the data structure of adjacent interlayer is further judged, in current layer When the data structure difference that first printing portion and next layer of corresponding part are printed, the corresponding portion is printed in current layer Point.Specifically, next layer of corresponding part is support section 72 for example, a part in current layer is entity part 71, because This can execute following processing in printing current layer:

The entity part 71 that current layer is printed by the first printhead cluster 41, in the second printhead cluster 43 printing current layer When support section 72, corresponding next layer of the support section 72 of entity part 71 on current layer is extracted, while printing current layer Print lower layer support section 72, thus reduce the print time, improve printing effect, each movement of such support platform 3 away from Thickness from least two slicing layers 7, in order to guarantee that printing precision, preferred support platform 3 are every while improving efficiency The distance of secondary movement is the thickness of two slicing layers 7.

Specific embodiment:

Shown in referring to Fig.1,3D printing equipment provided in this embodiment includes rack 1, word vehicle 2 and support platform 3, in word vehicle Print components are provided on 2, support platform 3 is arranged in rack 1 and is located at below word vehicle 2.

Mobile mechanism is provided in rack 1, on the one hand, the movement of mobile mechanism's control word vehicle 2 in the horizontal plane；Another party Face, mobile mechanism drive worm screw to rotate by motor, control movement of the support platform 3 on vertical plane.

In moving process, mobile mechanism realizes the accurate control of moving distance by electronic devices such as grating or encoders System.

Referring to Fig. 2,3, word vehicle 2 includes the first printhead cluster 41, the first straightening mechanism 51, the second printhead cluster 42, second Straightening mechanism 52 and curing mechanism, the first printhead cluster 41 and the second printhead cluster 42 are in 90 ° in the orientation of print head Setting.

Referring to Fig. 6, it illustrates slicing layer 7 used in the present embodiment, strip part presentation-entity material in the slicing layer 7 Expect 71 position of entity part of printing, netted dash area indicates 72 position of support section of backing material printing, The print procedure that above-mentioned 3D printing equipment prints the slicing layer 7 is described referring now to Fig. 7 a-7d:

According to the specification of slicing layer 7 and the print parameters of print head, slicing layer 7 is divided and is printed for 4 times, page order is such as Shown in Fig. 7 a-7d, when first time printing P1,41 allocation entity material of the first printhead cluster is to print one in slicing layer 7 Divide entity part 71, is then smoothed by 51 (not shown) of the first straightening mechanism, (do not shown in figure finally by curing mechanism Solidify out)；In second of printing P2,41 allocation entity material of the first printhead cluster is to print the remaining entity in slicing layer 7 Then part 71 is smoothed by the first straightening mechanism 51, is solidified finally by curing mechanism；When third time prints P3, second Printhead cluster 42 distributes backing material to print a part of support section 72 in slicing layer 7, then passes through the second straightening mechanism 52 smoothings, solidify finally by curing mechanism；In the 4th printing P4, the second printhead cluster 42 distributes backing material to print Then remaining support section 72 in slicing layer 7 is smoothed by the second straightening mechanism 52, is solidified finally by curing mechanism, such as This completes the print job of a slicing layer 7, and final multiple layers of superposition form printing objects.

Before above-mentioned each stage solidification, in first time printing P1, there is only solid materials in support platform 3；At second It prints in P2, deposits solid material and uncured solid material after hardening；In third time printing P3, deposit after hardening Solid material and uncured backing material；Support in the 4th printing P4, after depositing solid material after hardening, solidification Material and uncured backing material.In each stage, solid material and backing material are never in uncured preceding contact, therefore The case where material mutually seeps may be generated in the intersection of entity part 71 and support section 72 by reducing, and guarantee the table of printing objects Face precision.

As another print procedure of the present embodiment, referring to Fig. 8 a-8d, when first time printing P1, the first print head 41 allocation entity materials of group are to print a part of entity part 71 in slicing layer 7, then by the first straightening mechanism 51 (in figure It is not shown) smoothing, solidify finally by curing mechanism (not shown)；In second of printing P2, the second printhead cluster 42 Backing material is distributed to print a part of support section 72 in slicing layer 7, is then smoothed by the second straightening mechanism 52, finally Solidified by curing mechanism；When third time prints P3,41 allocation entity material of the first printhead cluster is to print in slicing layer 7 Then remaining entity part 71 is smoothed by the first straightening mechanism 51, is solidified finally by curing mechanism；In the 4th printing P4 When, the second printhead cluster 42 distributes backing material to print the remaining support section 72 in slicing layer 7, then passes through the second smoothing Mechanism 52 smooths, and solidifies finally by curing mechanism.So complete the print job of a slicing layer 7, final multiple layers of superposition Form printing objects.

Comparative example:

Referring again to Fig. 6, it illustrates with same slice layer 7 used in above-described embodiment, according to the specification of slicing layer 7 And the print parameters of print head, slicing layer 7 is divided and is printed for 2 times, page order is printed as shown in Fig. 9 a, 9b in first time When P1, print head allocation entity material to print a part of entity part 71 in slicing layer 7, meanwhile, print head distribution support Then material is smoothed, finally by curing mechanism 6 with printing a part of support section 72 in slicing layer 7 by straightening mechanism 5 Solidification；The P2 when second prints, print head allocation entity material to print the remaining entity part 71 in slicing layer 7, meanwhile, Print head distributes backing material to print the remaining support section 72 in slicing layer 7, is then smoothed by straightening mechanism 5, finally Solidified by curing mechanism 6, so complete the print job of a slicing layer 7, final multiple layers of superposition form printing objects

In above-mentioned first time printing P1 and/or second of printing P2, solid material and backing material exist simultaneously before curing Exist in support platform 3, it is thus possible to generate the case where material mutually seeps in the intersection of entity part 71 and support section 72, most The surface accuracy of printing objects is influenced eventually.

The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.

Claims (9)

1. a kind of 3D printing component is used for 3D printing equipment, the 3D printing equipment forms slicing layer in print procedure, special Sign is, comprising:

First printhead cluster；

Second printhead cluster distributes different printed materials from first printhead cluster；

First printhead cluster and second printhead cluster be mutually indepedent and time-sharing work；

First printhead cluster includes multiple mutually approximately parallel first print heads；

Second printhead cluster includes multiple mutually approximately parallel second print heads；

The arragement direction of the arragement direction of first print head and second print head has default angle, the default folder Angle does not include 0 °, 180 °, 360 °.

2. 3D printing component according to claim 1, which is characterized in that the default angle is 90 ° approximate.

3. 3D printing component according to claim 1, which is characterized in that the 3D printing component further includes around described First printhead cluster and second printhead cluster and the first curing mechanism being arranged；

First curing mechanism is used to consolidate the printed material that first printhead cluster and the second printhead cluster are distributed Change.

4. 3D printing component according to claim 1, which is characterized in that the 3D printing component further includes and described The second curing mechanism that one printhead cluster is correspondingly arranged, the printed material for distributing first printhead cluster are consolidated Change；

The 3D printing component further includes the third curing mechanism being correspondingly arranged with second printhead cluster, for described The printed material of second printhead cluster distribution is solidified.

5. 3D printing component according to claim 1, which is characterized in that first printhead cluster and second printing Head group timesharing saddlebag includes:

First printhead cluster and the second printhead cluster alternating cycle work,

On same slicing layer, first printhead cluster is for printing on first direction, and second printhead cluster is for the It is printed on two directions；Or,

First printhead cluster and the second printhead cluster sequential working,

On same slicing layer, first printhead cluster beating for the slicing layer corresponding position using corresponding printed material Print, second printhead cluster are printed using remainder of the corresponding printed material to the slicing layer.

6. 3D printing component according to claim 5, which is characterized in that between different slicing layers, described first dozen Print the printing that head group is used for this layer of corresponding position, second printhead cluster for this layer of remainder printing and with the layer The printing for corresponding to the first printhead cluster print position in this layer in adjacent at least one layer.

7. any 3D printing component according to claim 1~6, which is characterized in that first printhead cluster is for dividing With solid material, the solid material forms printing objects；

For second printhead cluster for distributing backing material, the backing material provides branch for the overhanging portion of printing objects Support.

8. a kind of 3D printing equipment, which is characterized in that the 3D printing component including any one of such as claim 1~7.

9. 3D printing equipment according to claim 8, which is characterized in that further include the first straightening mechanism and the second levelling machine Structure；

First straightening mechanism is equipped with first printhead cluster；Second straightening mechanism and second printing Head group is equipped with.