CN107009614B - The Method of printing of a kind of 3D product and for the 3D printer in this method - Google Patents
The Method of printing of a kind of 3D product and for the 3D printer in this method Download PDFInfo
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- CN107009614B CN107009614B CN201610061578.7A CN201610061578A CN107009614B CN 107009614 B CN107009614 B CN 107009614B CN 201610061578 A CN201610061578 A CN 201610061578A CN 107009614 B CN107009614 B CN 107009614B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
Abstract
The invention discloses a kind of Method of printing of 3D product and for the print head in the 3D printer and the 3D printer in this method.The Method of printing of the 3D product is the layer-by-layer spray material layer of print head by 3D printer, and after the spraying of every layer of material, illumination curing is carried out to the specified region in every layer of marking material layer by the light head that solidifies being arranged on print head, by being constantly superimposed, finally by solvent by the uncured region soluble of all material layer, the remaining object that solidifies is exactly required 3D product.It is the mobility using gel type resin itself that the present invention, which prints 3D product, so not needing to carry out heating melting to raw material without heating setting.Meanwhile the mobility in order to overcome raw material, attached middle school's framework, limits raw material when increasing a printing, to ensure that present invention height value when spraying every layer material is accurate.Printing type of the present invention relative to traditional hot melt adhesive, cost of manufacture is lower, and precision is higher.
Description
Technical field:
The present invention relates to the production method of three-dimensional objects and its equipment technical fields, refer in particular to a kind of Method of printing of 3D product
And for the print head in the 3D printer and the 3D printer in this method.
Background technique:
3D printer obtains development at full speed for several years at this, and existing 3D printer is before work firstly the need of utilizing computer
It is modeled, " slice " for being then layered the threedimensional model built up is handled, then layer-by-layer every layer of " printing " from bottom to top
Slice, to ultimately form 3D product identical with model built.According to this principle, current 3D printing technique mainly includes
Following two, SLA stereolithography apparatus mode and hot melt material spray printing type.It below will be to both 3D printing techniques
It is introduced.
The principle that stereolithography apparatus mode makes 3D product is, firstly, three-dimensional entity model is gone out by CAD design,
Model is subjected to slicing treatment using discrete program, designs scan path, the data of generation will accurately control laser scanner and
The movement of lifting platform；Secondly, the scanner that laser beam is controlled by numerical control device, is irradiated to liquid by the scan path of design
Photosensitive resin surface, after making one layer of resin solidification in the specific region of surface, as soon as the one of part is generated after layer completion of processing
A section；Then, lifting platform declines certain distance, covers another layer of liquid resin on cured layer, then carry out second layer scanning, the
Two cured layers are bonded in securely on previous cured layer, are formed by stacking 3 D workpiece prototype from level to level in this way, finally, by prototype from
After being taken out in resin, finally solidified, then the product required through polishing, plating, spray painting or coloring treatment.SLA skill
Art is mainly for the manufacture of multiple kinds of molds, model etc.；It can also be replaced in the feed by the way that other ingredients are added with SLA prototype model
Wax-pattern in precision-investment casting.SLA technology forming speed is very fast, and precision is higher, but due to generating receipts in resin curing process
Contracting, inevitably results from stress or causes deformation.Therefore it is it that the high light-sensitive material of small, quick solidifying, intensity is shunk in exploitation
Development trend.
The principle of another hot melt material spraying printing weaving is similar with traditional ink-jet printer principle, different
It is that " ink " used in this 3D printer is a kind of hot melt material, such as hot melt wax, hot melt adhesive.It will by printing mechanism
The hot melt material of melting is sprayed on print platform, and carrying out layer-by-layer " printing " will be fast after hot melt material is sprayed-on out
The solidification of speed.By continuous layer-by-layer " printing ", required three-dimension object is ultimately formed.This three-dimensional printing technology comes relatively
Say that manufacture craft is simple, and with the development of three-dimensional machinery arm, technology is mature, but it makes precision and is limited by material
Etc. factors limitation, precision is difficult to reach industrial rank, and its product that can only make small volume.For example, this printing
The raw material of machine is usually solid, so heating device must be arranged in print head, raw material is heated into molten condition, so
The raw material of melting is squeezed out by the nozzle of print head by extrusion mechanism again afterwards.It not only needs the heating temperature to heating device
It is accurately controlled, it is ensured that smoothly squeeze out raw material.Meanwhile when controlling raw material extrusion output, it is also difficult to the raw material of solid into
Row control.For example, currently used printed material is made into tree lace, the amount of feeding of tree lace is controlled by gear or idler wheel,
To calculate the raw material discharge of print-head nozzle.But this mode itself will result in very big error, feeding gear
Abrasion, the precision of adhesive tape itself, print head can all lead to the generation of error to tractive force of tree lace etc. in movable type.This is also
Lead to current hot melt adhesive printing type precision generally not high situation.
The present inventor has been devoted to the technological development of 3D printer, and the advantages of combination above two 3D printing technique,
It is proposed following technical scheme.
Summary of the invention:
First technical problem to be solved by this invention, which is that, overcomes the deficiencies of the prior art and provide a kind of 3D product
Method of printing.This method is to combine the advantages of stereolithography apparatus mode and hot melt material spraying printing type, is proposed
A kind of production method of new 3D product, this method not only has higher precision, and cost of manufacture is lower.
Second technical problem to be solved by this invention, which is that, provides a kind of printing side that can be used for above-mentioned 3D product
3D printer in method.
In order to solve above-mentioned first technical problem, present invention employs following technical proposals: the printing side of the 3D product
Method is the layer-by-layer spray material layer of print head by 3D printer, and after the spraying of every layer of material, by print head
The light head that solidifies of setting carries out illumination curing to the specified region in every layer of marking material layer, by being constantly superimposed, finally
By solvent by the uncured region soluble of all material layer, the remaining object that solidifies is exactly required 3D product.
Furthermore, in above-mentioned technical proposal, method includes the following steps: the first step, passes through beating for 3D printer
Print head sprays the first layer of material on the print platform of printer；Second step utilizes what is carried on the print head of 3D printer
The light for solidifying the generation of light head carries out illumination curing to region locating for 3D product corresponding in the first layer of material, forms quilt
Print the first layer section of 3D product；Third step constantly repeats the first and second step, completes the superposition of subsequent layers of material, and successively solid
Change the corresponding every layer of section of 3D product, is finally completed by all sections of printed product, and all sections pass through solidification
The light that light head generates is cured as into the 3D product；In above-mentioned steps, after print head has sprayed material layer every time,
Before carrying out illumination curing to region locating for 3D product corresponding in material layer, first solidify a framework area in the material layer
Region locating for the 3D product around surrounding, is finally also formed with a quilt in 3D product peripheral by domain, the framework region
It is solidified into the framework of an entirety；4th step, it is remaining by solvent by uncured region soluble in the entire material layer of spraying
Not dissolved solidifying whole is exactly printed 3D product and framework.
Furthermore, it is gelatinous light-cured resin, the resin that raw material is printed in above-mentioned technical proposal, in this method
It is placed in container, and is input in print head by pipeline, squeezed raw material quantitative by the raw material extruder structure in print head
Out.
To solve above-mentioned second technical problem, the invention adopts the following technical scheme: the 3D printer includes: printing
Head, print platform and for print head provide printing raw material container, the print head by mechanical arm be suspended in printing put down
Above platform, and realize the movement on the direction X/Y/Z, the print head includes nozzle and consolidating positioned at nozzle side
Change light head, wherein reservoir of the nozzle by pipeline and splendid attire raw material, the solidification light head can produce energy
Solidify the light of the raw material.
Furthermore, in above-mentioned technical proposal, a raw material extruder structure, the raw material are additionally provided in the print head
Extrusion mechanism includes: stepper motor and passes through stepper motor driven extruder head, and the extruder head acts on and nozzle connects
On the pipeline connect, extruder head is driven by stepper motor, the raw material in pipeline is squeezed out by nozzle.
Furthermore, in above-mentioned technical proposal, the container uses piston structure, the outlet of container by pipeline with
Nozzle is connected to, and is provided with piston on container, which is driven by second stepper motor, and band piston is mobile, will be in container
Raw material squeezes out.
Furthermore, in above-mentioned technical proposal, the piston is fixedly connected on a sliding block, the sliding block and sliding block
Guide rod cooperation, sliding block and a screw rod link, and the second stepper motor drives the screw rod to rotate, and screw rod will be in generation while rotation
Bottom offset, to be moved up and down with movable slider along slider waveguide rod engaged therewith, so that piston be driven to run.
Furthermore, in above-mentioned technical proposal, the mechanical arm includes: three that positive triangle is distributed and is vertically arranged
Guide rod is flexibly connected with a motion bar upper end in being flexibly connected a slide, each slide on every guide rod, three work
Active link is connected in a sliding seat respectively for the lower end of lever, and three slides pass through draught line respectively and connect with corresponding motor
It is dynamic, drive the slide interlocked therewith to slide up and down along guide rod by motor, so that three groups of motion bars be driven to generate respectively accordingly
Angle swinging and height change are enclosed in the region set in three guide rods 41 using the change in location driving sliding seat of the motion bar and are done
Operation on the direction X/Y/Z.
After above-mentioned technical proposal of the present invention, since the present invention directlys adopt gelatinous raw material, without adding to raw material
Heat fusing, so reducing the cost of product it is not necessary that heating device is arranged in print head and simplifying circuit control.Meanwhile it adopting
With gelatinous raw material can it is more accurate control raw material dosage, further increase the 3D Product Precision of printing.
In addition, the present invention will not be spread around in order to ensure the raw material of spraying because of gravity, to corresponding in material layer
3D product locating for region carry out illumination curing when, while in the material layer simultaneously solidify a framework region, the framework
Region is by region locating for the 3D product around encirclement.The raw material being limited in the framework layer can not just expand around
It dissipates, ensures that the accurate of printed 3D product.
Finally, directly being cleaned by solvent, so that it may obtain printed 3D product, very after the completion of present invention printing
It is convenient.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of 3D printer in the present invention；
Fig. 2 is the perspective view of print head in Fig. 1；
Fig. 3 is the internal structure perspective view of print head in Fig. 2；
Fig. 4 is the structural schematic diagram of container in Fig. 1；
Fig. 5 is workflow schematic diagram of the present invention；
Fig. 6 is the final flow diagram for obtaining 3D product of the invention.
Specific embodiment:
The present invention is further described with attached drawing combined with specific embodiments below.
As shown in Fig. 1-4, this is the 3D printer in the present invention comprising: print head 1, print platform 2 and to beat
It prints head 1 and the container 3 of printing raw material is provided, the print head 1 passes through the mechanical arm 4 that can be moved on the direction X/Y/Z and is suspended in
2 top of print platform.
Mechanical arm 4 used in the present invention is triangle mechanical arm (Delta Robot), and this mechanical arm generally has
The operation on the direction X/Y/Z may be implemented in 3-4 freedom degree, and the rotation in direction about the z axis.The triangle mechanical arm conduct
The mature technology used is described in many patent documents, sees that patent announcement number is US 8621953 B2, US
The american documentation literature of 20120103124 A1, US20120171383 A1,20130049261A1, propose based on this
The related art scheme of kind mechanical arm.Mechanical arm of the present invention is also based on this principle and proposes, this machinery
Arm has speed fast relative to the general three-dimensional machinery arm that moves horizontally, advantage with high accuracy.
Specifically, invention mechanical arm 4 include: positive triangle be distributed and be vertically arranged three guide rods 41, in every guide rod
It is flexibly connected a slide 42, each slide 42 on 41 to be flexibly connected with 43 upper end of a motion bar, three motion bars 43
Active link is connected in a sliding seat 44 respectively for lower end, three slides 42 are connected by draught line with corresponding motor respectively
It is dynamic, drive the slide 42 interlocked therewith to slide up and down along guide rod 41 by motor, so that three groups of motion bars 43 be driven to generate respectively
Corresponding angle swinging and height change are enclosed in three guide rods 41 using the change in location driving sliding seat 44 of the motion bar 43 and are set
Region in do operation on the direction X/Y/Z.
The print head 1 is mounted on sliding seat 44, drives print head 4 to run up in the side X/Y/Z by sliding seat 44.
Referring to fig. 2, shown in 3, the print head 1 includes: shell 10 and and the nozzle 11 that is fixed in shell 10 and solid
Change light head 12.The nozzle 11 is connected to container 3 by pipeline 13；The solidification light head 12 is located at by nozzle 11
Side, the solidification light head 12 can produce the light that can solidify printing raw material.Raw material extrusion is additionally provided in the print head 1
Mechanism, the raw material extruder structure include stepper motor 14 and by stepper motor driven extruder head 15, the extruder head
15 act on the pipeline 13 connecting with nozzle 11, drive extruder head 15 by stepper motor 14, the raw material in pipeline 13 is had
11 squeezing out quantitative of nozzle.
Use hot melt adhesive different as the 3D printer of raw material from current, raw material uses gel material in the present invention, so
Heating mechanism that no setting is required in print head 3, raw material are directly inputted into nozzle 11 by pipeline 13 by container 3.In order to control
The extrusion of raw material processed, present invention employs extruder head 15, which can be used cam structure, is driven by stepper motor 14
Extruder head 15 rotates, and the power being pressed down against is generated to pipeline 13, so that the raw material in pipeline 13 be squeezed out by nozzle 11.Certainly,
Other mechanisms, such as roller structure etc. can also be used in extruder head 15.
Solidification light head 12 in print head 1 is an optical transmitting set, generates the point light of diameter very little, passes through solidification
Light head 12 provides the cured light of gel resin.Solidification light head 12 and existing laser powder sintering technology in the present invention
In laser head effect it is similar, the difference is that in laser powder sintering technology, generator of the laser head as high temperature heat source
The setting regions of the powder bed of tiling is sintered line by line, to complete to solidify dusty material.The present invention is to pass through solidification
The light that light head 12 generates solidifies the resin gel within the scope of setting regions.Solidify the produced light of light head 12
Diameter will have a direct impact made 3D Product Precision, so the product of similar laser transmitter can be directlyed adopt, so
Light source is changed to afterwards to be used for light of curing gel resin, such as ultraviolet light, blue light etc..The light generated in this way is directly
It is very fine, it can further improve the precision of made 3D product.
Shown in 4, container 3 of the invention passes through pipeline 13 and nozzle using piston structure, the outlet 31 of container 3
11 are connected to, and are provided with piston 32 on container 3, which is driven by second stepper motor 33, and band piston 32 is mobile, will hold
Raw material in device 3 squeezes out.Following manner can be used in specific structure: the piston rod portion of piston 32 is fixedly connected on a sliding block 34
On, sliding block 34 and guide rod 35 cooperate.Sliding block 34 and a screw rod link, and the second stepper motor 33 drives 36 bar of silk rotation, screw rod
36 will generate upper and lower displacement while rotation, to move up and down with movable slider 34 along guide rod 35 engaged therewith, to drive
Piston 32 is run, and the gel material in container 3 is squeezed out.
In this way be a little: the second stepper motor 33 can accurately control the rotational angle of screw rod, so as to
Accurately to control the shift length of piston 32, thus in controllable container 3 raw material extrusion output, realization quantitatively squeeze according to demand
Out, it is ensured that the precision of finally formed 3D product.
Certainly, the stepper motor 14 in the present invention in print head 1 and the second stepper motor 33 pass through control circuit control
System, to realize that raw material has nozzle 11 accurately to squeeze out.
In conjunction with shown in Fig. 5,6, illustrate the Method of printing of 3D product of the invention, the print head that this method passes through 3D printer
Layer-by-layer spray material layer, and after the printing of every layer of material, every layer is beaten by the solidification light head being arranged on print head
Specified region in the material layer of print carries out illumination curing, by being constantly superimposed, finally by solvent by uncured region
Dissolution, the remaining object that solidifies is exactly required 3D product.
It still according to current 3D printing technique before printing 3D product, is modeled by computer, and needs is beaten
The 3D product of print carries out the processing of layering section, and the section of every layer of layer-by-layer preparation.Wherein the height H of every layer of section is preset, H
Numerical value be generally 0.05-0.5mm, specific numerical value is depending on made 3D Product Precision, usual more (the H numbers in section
It is higher to be worth smaller, made 3D Product Precision), then section is constantly overlapped to the 3D to be formed and to be made from bottom to top
Product, the specific steps are as follows:
The first step sprays the first layer of material on the print platform 2 of printer by the print head 1 of 3D printer 100
51.When by 11 spraying raw material of nozzle, the position for being accurately controlled print head 1 is not needed, since the raw material of printing uses
The resin of gel state, this raw material itself have certain mobility, as long as setting the area of print area, then due to
The height H of every layer of material is fixed, it is possible to raw material total amount required for every layer of material is accurately calculated, it is logical in this way
The raw material extrusion output for crossing control container 3 can be accurately controlled the height of every layer material.For example, setting the original of every layer material
Expect that dosage is V.
Second step, after the completion of the spraying of the first layer of material 51, nozzle 11 stops working, and does not continue to spraying raw material.This
When print head on solidification light head 12 start to work, will launch can carry out cured light to raw material.Print head 1 will
It is moved in the driving of mechanical arm 4 in X/Y plane, region locating for corresponding 3D product in the first layer of material 51 is carried out
Illumination curing is formed by the first layer section 61 of printing 3D product, i.e., by the lowest level section of printing 3D product.
According to noted earlier, since the raw material of printing uses the resin of gel state, this raw material itself has centainly
Mobility, although the mobility of this material is limited, if without restriction, this raw material will be with slow speed
It is spread to surrounding, the height that will inevitably lead to the first sprayed layer of material 51 in this way becomes smaller, while if with subsequent spray
The material layer of painting is constantly superimposed, and this mobility increases with the increase of gravity, and effective heap can not be formed by eventually resulting in
Lamination.So the maximum technical characterstic of the present invention is exactly to need to form one " container ", at least by area locating for 3D product
Domain is around surrounding, to ensure that the raw material sprayed will not be spread around because of gravity.The scheme that the present invention uses is exactly: to material
When region locating for corresponding 3D product carries out illumination curing in the bed of material, while solidifying a framework area simultaneously in the material layer
Domain, the framework region is by region locating for the 3D product around encirclement.In conjunction with the first layer of material 51, when to first layer material
It, first should be first in 51 external zones of the first layer of material when region locating for corresponding 3D product carries out illumination curing in the bed of material 51
Domain solidifies a framework region, as shown in Figure 5.Pass through solidification light head 12 in the region by proximal edge of the first layer of material 51
Have cured first layer framework layer 71.In this way due to the presence of first layer framework layer 71, it is limited in the first layer framework layer 71
Raw material can not just spread around, ensure that the accurate of 61 height of first layer section.
Third step, after completing the solidification of first layer section 61, solidification light head 12 stops working, and nozzle 11 is again at this time
It starts to work, sprays the second layer of material 52.Second layer of material 52 is identical with the second layer of material, and is overlapped, material
The dosage of material is also just the same.Likewise, solidification light head 12 is started to work, first after the completion of the spraying of the second layer of material 52
In the second layer of material 52, positioned at the upper area of first layer framework layer 71, be formed by curing second layer framework layer 72,.Then,
The region locating for the corresponding 3D product in intermediate region carries out illumination curing, is formed by the second layer section 62 of printing 3D product.
Then, according to preset section model, the step is constantly repeated, until the spraying of all material layer is completed,
And complete the solidification of all framework layers and the solidification of product section layer.Wherein first layer framework layer, second layer framework layer ...
Constantly superposition is formed by curing an entirety --- framework 7.The constantly ground connection solidification of first layer section 61, second layer section 62 ...
Form an entirety --- 3D product 6.
At this point, the material layer outside framework 7 may be collapsed already due to the mobility of raw material, so serious around
Diffusion, but the material layer inside framework 7 is still to require layer-by-layer stacking according to preset.Wherein first layer section 61,
Two layers of section 62, until the section of top should be fully cured, form 3D product 6.And uncured material is still located in framework 7
It is flooded in gel state or the state of semi-solid preparation, and by 3D product 6.It is just needed in next step by 3D product 6 from these gels
It is separated in the raw material of shape or semi-solid preparation shape.
4th step puts into all material in entire framework 7 in solvent, or directly rinses framework 7 by solvent
It is interior.By solvent by uncured region soluble in material layer in entire framework 7, remaining not dissolved solidification is integrally exactly institute
The 3D product 6 of printing.
Since resin 7 used in the present invention is a kind of light-cured resin, for example, by using UV resin, corresponding solidification light
First 12 can produce the light that can solidify printing raw material.It, can be shorter after it is cured the UV light irradiation of the generation of light head 12
Time in physical and chemical changes, and then the oligomer of crosslinking curing occur rapidly.So as long as using relevant solvent
Can by uncured dissolution of raw material, and be cured raw material when can not be dissolved by the solvent, finally just obtain one
The framework 7 of auxiliary and final 3D product 6 when printing.
In conclusion this device that the present invention uses, structure is simple, and printing 3D product is to utilize gel type resin
The mobility of itself, so not needing to carry out heating melting to raw material without heating setting.Meanwhile in order to overcome raw material
Mobility, attached middle school's framework 7, limits raw material when increasing a printing, with ensure the present invention spray every layer of material
When material, height value is accurate.The present invention can not only make the higher three-dimensional objects of precision, and relative to traditional hot melt adhesive
Printing type, cost of manufacture is lower, and precision is more preferable.
Certainly, the above is only a specific embodiment of the present invention, be not to limit the scope of the present invention, it is all according to
The equivalent change or modification that structure, feature and principle described in scope of the present invention patent is done should be included in Shen of the present invention
It please be in the scope of the patents.
Claims (7)
1. a kind of Method of printing of 3D product, it is characterised in that: this method is layer-by-layer by the print head (1) of 3D printer (100)
Spray material layer, and after the spraying of every layer of material, by the solidification light head (12) that is arranged on print head (1) to every layer
Specified region in marking material layer carries out illumination curing, by being constantly superimposed, finally by solvent by all material layer not
Cured region soluble, the remaining object that solidifies is exactly required 3D product (6)；
Method includes the following steps:
The first step sprays the first layer material on the print platform (2) of printer by the print head (1) of 3D printer (100)
Layer (51)；
Second step, the light generated using the solidification light head (12) carried on the print head (1) of 3D printer (100) is to first
Region locating for corresponding 3D product carries out illumination curing in layer of material (51), is formed by the first layer section of printing 3D product
(61)；
Third step constantly repeats the first and second step, completes the superposition of subsequent layers of material, and successively solidification 3D product (6) is corresponding every
Layer section, is finally completed by all sections of printed product, and all sections are by solidifying light head (12) generation
Light is cured as into the 3D product (6)；
In above-mentioned steps, after print head (1) has sprayed material layer every time, corresponding 3D product (6) is locating in material layer
Region carry out illumination curing before, first solidify a framework region in the material layer, which produces the 3D
Region locating for product (6) is finally also formed with the framework for being cured into an entirety in 3D product (6) periphery around surrounding
(7)；
4th step, by solvent by uncured region soluble in the entire material layer of spraying, remaining not dissolved solidification is whole
Body is exactly printed 3D product (6) and framework (7).
2. a kind of Method of printing of 3D product according to claim 1, it is characterised in that: it is solidifying for printing raw material in this method
Gelatinous light-cured resin, the resin are placed in container (3), and are input in print head (1) by pipeline (13), by beating
Raw material extruder structure in print head (1) squeezes out raw material quantitative.
3. a kind of Method of printing of 3D product according to claim 1 or 2, it is characterised in that: in the Method of printing
3D printer include: print head (1), print platform (2) and for print head (1) provide printing raw material container (3), institute
The print head (1) stated is suspended in above print platform (2) by mechanical arm (4), and realizes the movement on the direction X/Y/Z,
The print head (1) includes nozzle (11) and the solidification light head (12) for being located at nozzle (11) side, wherein institute
The nozzle (11) stated is connected to by pipeline (13) with the container (3) for containing raw material, and the solidification light head (12) can produce energy
Solidify the light of the raw material；
Is additionally provided with a raw material extruder structure in the print head (1), the raw material extruder structure include: stepper motor (14) with
And by stepper motor driven extruder head (15), the extruder head (15) acts on the pipeline (13) connecting with nozzle (11)
On, extruder head (15) are driven by stepper motor (14), the raw material in pipeline (13) is squeezed out by nozzle (11).
4. a kind of Method of printing of 3D product according to claim 3, it is characterised in that: the container (3) is using work
The outlet (31) of plug structure, container (3) is connected to by pipeline (13) with nozzle (11), and piston (32) are provided on container (3), should
Piston (32) is driven by second stepper motor (33), and band piston (32) is mobile, and the raw material in container (3) is squeezed out.
5. a kind of Method of printing of 3D product according to claim 4, it is characterised in that: the piston (32) is fixed to be connected
It connecing on a sliding block (34), the sliding block (34) and slider waveguide rod (35) cooperate, and sliding block (34) and a screw rod (36) are linked, and second
Stepper motor (33) drives the screw rod (36) to rotate, and screw rod (36) will generate upper and lower displacement while rotation, to drive cunning
Block (34) is moved up and down along slider waveguide rod engaged therewith (35), so that piston (32) be driven to run.
6. a kind of Method of printing of 3D product according to any one of claim 3-5, it is characterised in that: the machine
Tool arm (4) include: positive triangle be distributed and be vertically arranged three guide rods (41), in being flexibly connected one on every guide rod (41)
Slide (42), each slide (42) are flexibly connected with a motion bar (43) upper end, the lower end difference of three motion bars (43)
Active link is connected on a sliding seat (44), and three slides (42) are interlocked by draught line with corresponding motor respectively, is passed through
Motor drives the slide (42) interlocked therewith to slide up and down along guide rod (41), so that three groups of motion bars (43) be driven to generate phase respectively
The angle swinging and height change answered, using change in location driving sliding seat (44) of the motion bar (43) in three guide rods (41)
Enclose the operation done on the direction X/Y/Z in the region set.
7. a kind of Method of printing of 3D product according to claim 1 or 2, it is characterised in that: in the Method of printing
3D printer include: print head (1), the print head (1) includes nozzle (11) and is located at nozzle (11) side
Solidify light head (12), wherein appearance of the nozzle (11) by pipeline (13) and the gelatinous light-cured resin raw material of splendid attire
Device (3) connection, the solidification light head (12) can produce the light that can solidify the raw material；In the print head (1) also
It is provided with a raw material extruder structure, which includes stepper motor (14) and by stepper motor driven extrusion
Head (15), the extruder head (15) act on the pipeline (13) connecting with nozzle (11), are driven by stepper motor (14)
Raw material in pipeline (13) is had nozzle (11) squeezing out quantitative by extruder head (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610061578.7A CN107009614B (en) | 2016-01-28 | 2016-01-28 | The Method of printing of a kind of 3D product and for the 3D printer in this method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610061578.7A CN107009614B (en) | 2016-01-28 | 2016-01-28 | The Method of printing of a kind of 3D product and for the 3D printer in this method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107009614A CN107009614A (en) | 2017-08-04 |
| CN107009614B true CN107009614B (en) | 2019-10-25 |
Family
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| CN108582766A (en) * | 2018-03-30 | 2018-09-28 | 无锡映型三维数字技术有限公司 | A kind of photosensitive resin Method of printing of no solid support |
| CN108356955B (en) * | 2018-04-26 | 2020-07-28 | 同济大学 | Cement-based material 3D printer for experiments |
| CN116674198A (en) | 2018-09-14 | 2023-09-01 | 阿莱恩技术有限公司 | Hybrid 3D printing with photo-curable material |
| US20200147684A1 (en) * | 2018-11-08 | 2020-05-14 | Divergent Technologies, Inc. | Systems and methods for adhesive-based part retention features in additively manufactured structures |
| CN111633976A (en) * | 2020-04-28 | 2020-09-08 | 青岛黄海学院 | 3D printing method of waxy parts |
| CN113147027B (en) * | 2021-04-29 | 2023-02-24 | 重庆市华港科技有限公司 | 3D printing method of small product |
| CN114161707A (en) * | 2021-12-10 | 2022-03-11 | 苏州华星光电技术有限公司 | Printing apparatus and printing method |
| CN114559652A (en) * | 2022-02-18 | 2022-05-31 | 南方科技大学 | Sinking type photocuring printing method and product |
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| CN103817936A (en) * | 2014-02-19 | 2014-05-28 | 浙江大学宁波理工学院 | Piston type 3D printing pen |
| CN104325643A (en) * | 2014-10-18 | 2015-02-04 | 东莞市瑞迪三维电子科技有限公司 | Method and device for manufacturing 3D (three-dimensional) product |
| CN105172143A (en) * | 2015-09-18 | 2015-12-23 | 深圳市华星光电技术有限公司 | 3D printing machine and 3D printing method |
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| CN103817936A (en) * | 2014-02-19 | 2014-05-28 | 浙江大学宁波理工学院 | Piston type 3D printing pen |
| CN104325643A (en) * | 2014-10-18 | 2015-02-04 | 东莞市瑞迪三维电子科技有限公司 | Method and device for manufacturing 3D (three-dimensional) product |
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