CN109483881A - A kind of printing equipment and Method of printing - Google Patents
A kind of printing equipment and Method of printing Download PDFInfo
- Publication number
- CN109483881A CN109483881A CN201811619828.XA CN201811619828A CN109483881A CN 109483881 A CN109483881 A CN 109483881A CN 201811619828 A CN201811619828 A CN 201811619828A CN 109483881 A CN109483881 A CN 109483881A
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- China
- Prior art keywords
- printing
- drum
- scraper
- bed
- stone
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/165—Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/307—Handling of material to be used in additive manufacturing
- B29C64/321—Feeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/386—Data acquisition or data processing for additive manufacturing
- B29C64/393—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
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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
-
- 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
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
-
- 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
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
Abstract
The invention discloses a kind of printing equipment and Method of printing, which includes: material drum, and the molded surface of the material drum is rotated about axis, and the molded surface of the material drum is used to carry the printing bed of material of printing material formation；Stone unit, the stone unit is used to forming printing material into the printing bed of material and spiral form winding is laid on the material drum；Solidified cell forms threedimensional model for solidifying the printing material layer-selective on material drum；Driving unit is connected with the material drum, the stone unit and the solidified cell, and the driving unit in print procedure for driving the material drum, the stone unit and the solidified cell to be acted.The adaptability that the present invention can further be substantially improved print speed, promote Method of printing or device, and structure is simple, it is easy to maintain.
Description
Technical field
The present invention relates to 3D printing technique field more particularly to a kind of printing equipments and Method of printing.
Background technique
3D printing based on digital model file, constructs three-dimensional mould by successively printing simultaneously layer stackup Calais as one kind
Type, specific there are many Method of printings, such as SLA (Stereo Lithography Apparatus) or DLP (Digital
Light Processing) etc. photocurings mode, SLS (Selective Laser Sintering), SLM (Selective
Laser Sintering Melting) or 3DP (constituency jet binder, which is layering, in powder bed makes model) etc. be based on
The printing type of powdering, DED (Directed Energy Deposition) etc. is based on the printing type for sending part.With SLM or 3DP
For, it is laid with one layer of dusty material in print platform laying device, is then controlled by control system, according to by the three-dimensional mould of printing
Type information, the powder bed or the selectively injection of binder injector is used to be laid with that control laser beam elective irradiation is laid with
Powder forms selective cured layer.Then workbench declines a thickness of feed layer, then carries out being laid with powder bed and on powder bed
Selective solidification is carried out, repeats this process until threedimensional model is completed in printing.Powdering process is separately connected progress with solidification process,
And laying device moves back and forth, stone and print speed are slow, are generally also not easily accomplished the composite printing of multiple material.It is similar
The mode 3D printing of DED, that is, DIRECT ENERGY deposition, the energy of laser form molten bath, and material after powder or Filamentous submitting to be melt
Change and press the path curing molding of setting, stacked in multi-layers forms threedimensional model, and often this mode print speed is slow, and precision and beats
It is all to be improved to print stock utilization.
Summary of the invention
The technical issues of present invention mainly solves in the presence of the prior art, so that it is fast to provide a kind of print speed, and
Precision and the high printing equipment and Method of printing of printed material utilization rate.
Above-mentioned technical problem of the invention is mainly to be addressed by following technical proposals:
Printing equipment provided by the invention comprising:
The molded surface of material drum, the material drum is rotated about axis, and the molded surface of the material drum is for carrying printing material shape
At the printing bed of material；
Stone unit, the stone unit is used to forming printing material into the printing bed of material and spiral form winding be laid on it is described
On material drum；
Solidified cell forms threedimensional model for solidifying the printing material layer-selective on material drum；
Driving unit is connected with the material drum, the stone unit and the solidified cell, and the driving unit is used for
The material drum, the stone unit and the solidified cell is driven to be acted in print procedure.
Further, the stone unit includes material scraper, and the material scraper is material scraping plate or roller.
Further, the printing bed of material is dusty material or photocurable slurry, and the solidified cell includes solidification device,
The solidification device includes the first solidification device, and first solidification device is one kind or more of binder injector, laser, radiation source
Kind combination.
Further, the solidification device further includes at least one second solidification device, and second solidification device is binder spray
One or more combinations of emitter, radiation source, laser source.
Further, the driving unit includes first to third actuator, control system, and described first to third executes
Device is connected with material drum, first solidification device and material scraper respectively, and described first to third actuator also respectively with
Control system is connected.
It further, further include dispenser and pumping system, the front side of material scraper is arranged in the dispenser, and when progress
When printing, as winding of the printing bed of material on material drum is accumulated, the dispenser is continuous far from material drum, and with
The upper outermost layer printing bed of material of material drum keeps a set distance range, and the pumping system includes pumping installations and material source, institute
It states pumping installations to be connected with the material source and the dispenser respectively, and the pumping installations is also connected to the control system.
Further, the dispenser is equipped with vibrator and/or temperature-adjusting device.
Further, the dispenser includes shell and runner, there is tooth socket around the runner, and the tooth socket is used for band
Dynamic printing material flow direction material drum.
Further, the dispenser further includes sensor, and the sensor is used to detect to accumulate in front of material scraper
The amount of printing material.
Further, the dispenser includes first pipe and second pipe, between the first pipe and second pipe
It is provided with valve.
Further, printing material recyclable device is additionally provided in front of the material scraper.
Further, the printing bed of material includes the first printing material, the second printing material and wall, the wall setting
Between first printing material, the second printing material.
Further, the stone unit further includes fiber spray nozzle, is had in the fiber spray nozzle for transmitting fiber
Pipeline is additionally provided with the cutter of energy cut staple in fiber transmission path.
Further, the stone unit further includes stone device, and the conveying pipeline of conveying printing material is equipped in the stone device,
The position of material drum is provided with scraper structure in the stone device and carries out scraper.
Further, the stone unit is jet feeder, and the jet feeder is used to printing material injection being laid on the material
On drum.
Further, the molded surface of the material drum is located at the outer surface of material drum, and with the printing bed of material
The angle revolving speed of the material drum is accumulated and reduced to winding on material drum；Alternatively, the molded surface of the material drum is positioned at described
Expect the inner surface of drum, and as the angle that winding of the printing bed of material on material drum is accumulated and increase the material drum turns
Speed.
Further, the molded surface of the material drum is located at the inner surface of material drum.
Further, the stone unit is provided with multiple groups, the molding roused around the material to the stone unit interval
Surface perimeter setting.
Further, the stone unit includes material scraper, and material scraper bottom has transparent area, and the printing material is illumination
Curable material, the solidified cell include light source, and the light beam that the light source issues is through the transparent area irradiation on material scraper
Printing material in squeezed state, forms cured layer, and the cured layer is wound up on the material drum.
Further, the material scraper is rotary drum shape and cooperates with material drum that material scraper turns around first axle along first direction
Dynamic, material drum is rotated in a second direction, around second axis, and first direction and second direction are on the contrary, light beam is radiated at material through material scraper
Printing material on drum in squeezed state forms cured layer, and the cured layer is wound up on the material drum.
Further, it is additionally provided with auxiliary material scraper, the material scraper is for forming pre-coated layer on the stone device, institute
Pre-coated layer is stated to be routed on material drum with the rotation of material scraper.
Further, the molded surface of the material drum is cylindrical surface, and the material scraper is at an angle of with material drum and sets
It sets, in print procedure, the printing bed of material on material drum is along the axis towards the direction far from the material scraper
It is mobile.
Method of printing provided by the invention comprising following steps:
S1, material drum are rotated about axis；
S2, stone unit wind printing material in the form of spiral to be stacked on the molded surface of material drum；
S3, solidified cell solidify printing material layer-selective according to the information of threedimensional model；
S4, when executing step S2 and S3, with the printing material the material drum on winding accumulate, the stone list
The molded surface of member and solidified cell continuously far from material drum, forms threedimensional model.
Further, in the step S2, the stone unit is material scraper or jet feeder, and the material scraper is material scraping plate
Or roller.
Further, the step S2 further include: printing material is pumped to by material source by dispenser by pumping installations, through giving
Glassware is sent to the front of the upper material scraper of material drum.
Further, impression block group is at least constituted by stone unit and solidification printing, set in multiple impression block group ring weeks
It sets on material drum molded surface periphery, multiple impression block groups can be laid with multiple vortex shape printing materials on material drum simultaneously
Layer, and the corresponding solidified cell is respectively adopted and carries out being formed by curing threedimensional model.
Further, the molded surface of material drum is located at the outer surface of material drum, in print procedure, on material drum
It winds the increase of the printing bed of material outer diameter of accumulation and increases the quantity for participating in the impression block group of printing.
Another Method of printing of the invention comprising expect bulging molded surface for cylinder and be rotated about axis；Stone
Unit includes material scraper, and the material scraper and material drum are at an angle of and are arranged and printing material is laid to spiral form printing material layer
Winding is stacked on the molded surface of the material drum；Solidified cell consolidates printing material layer-selective according to the information of threedimensional model
Change；In print procedure, the printing bed of material on material drum is moved along axis towards the direction far from the material scraper.
Further, the stone unit is material scraper or jet feeder, the material scraper or jet feeder and material drum at
Angle setting.
The beneficial effects of the present invention are:
1) stone and printing, are carried out using the relative rotation of material scraper and solidification device and material drum, stone may be implemented and beat
It is carried out while print, stone and printing can also be carried out continuously, the movement of the rotation and material scraper of expecting drum can be carried out continuously, and not had
The reciprocating movement of some centres or the pause process of centre, print speed are faster more stable；Further, multiple pavings can be set
Glassware (material scraper or dispenser) and solidification device carry out transfer to material drum simultaneously and are laid with printing material and selectivity solidification, can be further
Print speed is substantially improved.
2) it, can be set multiple dispensers, such as powdered material dispenser, pulpous state material dispenser, fiber material dispenser etc.,
It may be implemented to print while the composite printing, even a variety of printing materials of multiple material, promote the suitable of Method of printing or device
Ying Xing.
3), it is particularly suitable for the printing of the part of long axis or tubulose.Continous way production can be able to achieve for such part, improved
Printing effect.
4), printing equipment structure of the invention is simple, easy to maintain.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of printing equipment of the invention；
Fig. 2 is the structural schematic diagram that printing equipment of the invention has continuous-feeding；
Fig. 3 is the structural schematic diagram that printing equipment of the invention uses jet feeder；
Fig. 4 is the structural schematic diagram for another printing equipment that the present invention is printed on the inside of material drum；
Fig. 5 is the structural schematic diagram of the feed-type of printing equipment of the invention；
Fig. 6 is the structural schematic diagram of another feed-type of printing equipment of the invention；
Fig. 7 is the structural schematic diagram for reinforcing mode with fiber of printing equipment of the invention；
Fig. 8 is the Method of printing schematic diagram of the invention based on the material scraper with transparent area；
Fig. 9 is 2 sets of stones of another embodiment of the present invention and the knot of the selective printing equipment for solidifying while being printed
Structure schematic diagram；
Figure 10 is 3 sets of stones of further embodiment of this invention and the knot of the selective printing equipment for solidifying while being printed
Structure schematic diagram；
Figure 11 a to 11d is being solidified from 1 set of feed and selectivity to 3 sets of feeds and selectivity for printing equipment of the invention
Solidify the structural schematic diagram of handoff procedure；
Figure 12 is the cross-sectional view of the printing bed of material of printing equipment of the invention；
Figure 13 is the structural schematic diagram of another printing equipment of the invention；
Figure 14 is the Method of printing schematic diagram of the printing indefinite length structure of the invention based on material axis；
Figure 15 is the Method of printing schematic diagram of the printing indefinite length structure of the invention based on sleeve.
Specific embodiment
The preferred embodiment of the present invention is described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Refering to fig. 1, expect that the surface on drum 2 for receiving the printing bed of material 42 is molded surface, in Fig. 1 signal expect drum 2 at
Type surface is the cylindrical surface for expecting 2 outside of drum, and material drum 2 is rotated around axis 31 along arrow 100, meanwhile, material scraper 11 is along arrow
101 is mobile, and flowable printing material 41 winding is laid with and is stacked on material drum 2, the printing bed of material 42 of vortex shape is formed.First is solid
Change device 131 and is solidified the printing bed of material 42 according to the information of threedimensional model 5 progress selectivity.For example, if the printing bed of material 42
For dusty material, then the first solidification device 131 can be binder injector, in addition it can which the second solidification device 132 is arranged, such as
Second solidification device 132 can be radiation source, such as infrared heater or ultraviolet source or hot air source, accelerate the first solidification device 131
The binder curing rate of injection.When certain practical application, it is (such as viscous that multiple first solidification devices 131 can be set around material drum 2
Tie agent injector), multiple second solidification devices 132 (such as radiation source).Certainly, the first solidification device 131 is also possible to laser, benefit
The selective melting and solidification of the bed of material 42 will be printed with the energy of laser scanning, the second solidification device 132 can be another laser source, or
Cancel.If the printing bed of material 42 is photocurable slurry, the first solidification device 131 is the radiation source of alternative irradiation, such as ultraviolet
Laser scanner or light projection source, such as DLP (digital light processing).Second solidification device 132 can be cancelled or be also possible to another
The radiation source of a alternative irradiation, to accelerate print procedure.
Signal material drum 2 is driven by the first actuator 61 in Fig. 1 rotates, meanwhile, the second actuator 62 drives 11 edge of material scraper
101 synchronizing moving of arrow, the molded surface far from material drum 2.In addition, the first solidification device 131 may also be subjected to third actuator 63
Drives edge arrow 102 is mobile, and the second solidification device 132 may also be subjected to the movement of 64 drives edge arrow 103 of the 4th actuator, remote respectively
Molded surface from material drum 2.Each actuator and solidification device may all be connect with control system 400, be controlled the control of system 400
System carries out mutually coordinated movement and the selectivity solidification of progress printing material.Computer 300 is analyzed and is converted to threedimensional model 5 and holds
Row instruction (such as g code) occur to control system 400, certain computer 300 be also likely to be control system 400 a part or
The two unification.Material scraper 11 uses material scraping plate in figure, naturally it is also possible to use roller.
In the print procedure of Fig. 1 signal, if the rotation period for setting material drum 2 is T, that is, the time for rotating one week is T, if
The thickness of the printing bed of material 42 of vortex shape keeps uniformly, being set as δ, then material scraper 11 is δ/T along the movement speed of arrow 101.When
So printing 42 thickness δ of the bed of material can be variation, and the velocity of rotation of material drum 2 can be variation, and material scraper 11 is along arrow 101
Movement speed is also possible to variation.
Fig. 2 is equivalent to the side view of Fig. 1, while also adding dispenser 12 and pumping system and solidification device 133 and consolidating
Change device 134.Printing material 41 is sent to the front of material scraper 11 on material drum 2 by dispenser 12, likewise, material drum 2 is along 100 turns of arrow
Dynamic, material scraper 11 is moved along arrow 102, and the printing bed of material 42 is formed on material drum 2.Dispenser 12 may also be moved along arrow 101,
It keeps dispenser 12 and prints the suitable spacing of the bed of material 42, it is accurate to be conducive to stone.In addition, the first solidification device 131, the second solidification
Device (132-134) may be mobile along arrow 103,104,105 and 106 respectively, and the distance of solidification device to printing material 41 is kept to close
In suitable range.
In Fig. 2, in order to ensure the lasting progress of feed, can be set the pumping system of printing material 41, including with dispenser
12 pumping installations 7 being connected, and the material source 43 being connected to pumping installations 7.Pumping installations 7 is by printing material 41 by material source 43
It is pumped to dispenser 12, is routed on material drum 2 through dispenser 12.Pumping installations 7 can according to need to adjust the rate of feed,
To control the printing doses accumulated in front of material scraper 11, influence of the printing material 41 of accumulation to printing material layer 42 can be reduced, benefit
In the precision for precision and the following model printing for promoting stone.In order to allow printing material 41 more smoothly to be flow to by dispenser 12
Expect that vibrator 15 can be arranged on dispenser 12, printing material 41 is allowed smoothly to flow to material by vibra feeder 12 on drum 2
On drum 2.It is in suitable temperature in order to control printing material 41 simultaneously, temperature-adjusting device 16 can also be set on dispenser 12
To adjust the temperature of printing material 41 in dispenser 12.Equally, temperature control equipment 24 also can be set on material drum 2, adjusts material
The temperature that the bed of material 42 is printed on drum, promotes the stability of precision and print procedure.
The function of increased solidification device 133 or solidification device 134 can be with the first solidification device 131 on the basis of Fig. 1 in Fig. 2
Or 132 it is identical, promote print speed by multiple solidification devices.Certainly, solidification device 133 and solidification device 134 can also be aobvious
Shadow agent injector or antiwelding agent injector, developer are injected in the interface of model and support construction, carry out the table of lift scheme
Face precision.Antiwelding agent is also the interface for being injected in model and support construction, if also high temperature is needed to burn after model is printed
Knot processing, antiwelding agent can allow the interface that incomplete sintering curing is kept between threedimensional model and support construction, convenient for three-dimensional
Model is removed from support construction.Such as the threedimensional model 5 in Fig. 2 is solidified 41 selectivity solidification of printing material by solidification device,
And wall 423 can also be formed between the first printing material 421 and the second printing material 422, such as wall 423 can be with
It is sprayed using the selectivity of developer injector or antiwelding agent injector to be formed.When practical application, the second printing material 422
It may be cured, guarantee the threedimensional model holding of the planform of the first printing material 421 as support construction.It is to be printed complete
The first printing material 421 of solidification is removed from the second printing material 422 after, forms final threedimensional model 5. certainly, solidification device
133 or solidification device 134 may also be cooler, will print the bed of material 42 surface cooling, convenient for the accumulation of next layer of printing material 41
And combination.The quantity of solidification device in figure is merely illustrative, can be adjusted flexibly according to practical application.
Refering to Fig. 3, printing material 41 is sprayed on material drum 2 using jet feeder 14, on material 2 surface of drum, winding accumulation, which is formed, beats
Print material layer 42.Solidified by solidification device 13 by the bed of material 42 is printed.Threedimensional model 5 is shown in figure for ring-type, such as similar to baked donut
The threedimensional model of shape or types of springs, solidification printing material 41 cyclic annular can continuously solidify, it is easier to obtain high print speed
And precision.For example, solidification device 13 can be light source, such as ultraviolet source if printing material 41 is photocurable slurry.In addition,
Jet feeder 14 and solidification device 13 may also move along arrow 101 and arrow 102 respectively, as printing 42 outer diameter of the bed of material becomes larger,
Keep the spacing of the printing bed of material 42 and jet feeder 14 and solidification device 13 in OK range.
Refering to Fig. 4, it can also be and carry out curing molding in the inside of material drum 2, i.e., material drum 2 is tubular, and the printing bed of material 42 is attached
Material drum 2 cylinder inner wall, i.e. the molded surface of signal material drum 2 is the cylindrical surface of cylindric 2 inside of material drum in Fig. 4.Material
While drum 2 is rotated along arrow 100, material scraper 11 is moved along arrow 101, the molded surface far from material drum 2, forms inwardly winding
The printing bed of material 42.The printing bed of material 42 is carried out selective solidification simultaneously by solidification device 13.Solidification device can may also be moved along arrow 102
It is dynamic, the molded surface far from material drum 2.This impression method model bigger for ring-shaped thin-walled part or internal diameter, which has, more preferably to be beaten
Print effect.
It needs to illustrate, under normal circumstances, scraper linear velocity of the material scraper 11 in scraper often has optimal value, in order to keep
Material drum 2 on accumulate printing the bed of material 42 outer most edge and 11 relative linear velocity of material scraper (V) be optimum value, rotary drum 2 revolving speed (n,
The circle number rotated in angle revolving speed or unit time) reduce with the increase of the outer most edge diameter (φ) of print material layer 42, such as can
To be adjusted by relationship n=V/ (φ × π).There is also similar optimal feed linear velocities and optimal solidification line with solidification device for dispenser
Speed conditions need to reduce velocity of rotation (the i.e. angle of rotation speed of material drum 2 accordingly with the increasing of printing 42 outer diameter of the bed of material
Degree).Need to material drum 2 revolving speed carry out variable speed control, Lai Shixian faster with more accurate printing.For shown in Fig. 4
Embodiment, it may be possible to printing 42 becoming smaller for internal diameter of the bed of material and increase material drum 2 angle revolving speed, improve print speed.
Specifically, in printing equipment described in Fig. 1-Fig. 3, with the increase of the printing bed of material 42 ulking thickness on material drum 2,
Outer diameter constantly becomes larger, in order to keep material scraper 11 or dispenser 12 or solidification device 13 or jet feeder 14 and print the opposite of the bed of material 42
Linear velocity holding is basically unchanged or is maintained at desired value, then passs with the velocity of rotation that stone and print procedure need to control material drum 2
Subtract.Material drum 2 i.e. in the case where expecting that the outer rim of drum 2 is wound stacking, with printing 42 becoming larger for diameter of the bed of material in proportion
Angle revolving speed successively decreases.
On the contrary, being wound printing material in implementation method as shown in Figure 4 in the inner edge of material drum 2 and forming the printing bed of material 42
During, the internal diameter of the printing bed of material 42 is constantly becoming smaller, and the angle velocity of rotation of material drum 2 need to be incremented by accordingly or in proportion.
Refering to Fig. 5, in one embodiment of the present of invention, dispenser 12 includes shell 12-1, runner 22, is had around runner 22
Tooth socket 22-1, when runner 22 is rotated along arrow 103, tooth socket 22-1 drives flow direction material 2. sensor 9 of drum of printing material 41 for examining
Survey the amount for the printing material 41 accumulated in front of material scraper 11, such as height.Expect that drum 2 is rotated along arrow 101, while material scraper 11 is along arrow
First 102 is mobile.When the accumulating amount or excessive height of the printing material 41 in 11 front of material scraper, runner 22 is allowed to slow down revolving speed or stop
Rotation stop is dynamic, when the accumulation of printing material 41 is very few, runner 22 is allowed to start turning or rev up.Certain runner 22 can also be along arrow
First 103 opposite direction rotations.The material scraper 11 illustrated in figure is scraper plate, is also possible to roller.Dispenser 104 may also be along arrow
First 104 is mobile, and the spacing for keeping dispenser 12 and expecting to print the bed of material 42 on drum 2 is desired value.Sensor 9 can be a variety of shapes
Formula, such as close to switch, such as based on magnetic field close to switch, if Hall is close to developing, or based on capacitance variations close to exploitation, or
Limit switch or camera of mechanical type etc..
As shown in fig.6, valve is arranged on dispenser 12 in another embodiment of the invention, pass through the aperture of valve
Delivery rate is adjusted, such as dispenser 12 includes first pipe 12-1 and second pipe 12-2, in first pipe 12-1 and the
Be provided with valve 23 between two pipeline 12-2, adjusted by the switch or opening size of control valve 23 feed start and stop or to
Expect speed.In addition, a printing material recyclable device 72 can also be arranged in certain embodiments, accumulated when in front of material scraper 11
Printing material 41 it is excessive when, printing material can be drawn back by part by printing material recyclable device 72.
As shown in fig.7, increasing fiber spray nozzle 17 on the basis of aforementioned embodiments.Have in fiber spray nozzle 17
There is the pipeline 171 for transmitting fiber 8, the cutter of energy cut staple is additionally provided in the transmission path of fiber spray nozzle 17
172, such as cutter 172 is set on fiber spray nozzle 17.Cutter 172 can be using cutter come cut staple 8, can also
To employ a laser to cut staple 8.In addition, further illustrating a kind of stone device 18 that dispenser and material scraper is integrated, spreading
There is conveying pipeline 181 to convey printing material 41 in glassware 18, the position of material drum 2 is provided with scraper structure 182 in stone device
It carries out scraper and forms the printing bed of material 42.Solidification device 13 carries out selective solidification for the bed of material 42 is printed.Specifically, material drum 2 is along arrow
101 rotations, while fiber spray nozzle 17 is adopted according to the conveying fiber 8 of model information selectivity at the position for not needing fiber reinforcement
Fiber 8 is cut off to stop being laid with fiber 8 with cutter 172.After fiber 8 is routed on material drum 2 or the printing bed of material 42, stone device
181 are laid with printing material 41 upwards, and then the solidification of 13 selectivity of solidification device prints the bed of material 42, cured layer 421 are formed, so that printing
Material 41 and fiber 8 integrally combine, the intensity of lift scheme or other characteristics, such as electromagnetism characteristic.Fiber spray nozzle 17 may be used also simultaneously
To move along arrow 103, fiber spray nozzle 17 is also possible to move along the direction for being parallel to material 2 shaft of drum.Stone device 18 can be along arrow
First 101 is mobile, and solidification device 13 can be moved along arrow 102, controls fiber spray nozzle 17, stone device 18 and solidification device 13 respectively and arrives
Material drum 2 or the printing bed of material 42 keep desired spacing.Fiber 8 can be multiple fiber material, such as carbon fiber, glass fibre or gold
Belong to silk etc..
Fig. 8 illustrates stone unit to include material scraper 11, and printing material 41 is the curable material of illumination, such as photosensitive tree
The mixing material of rouge or photosensitive resin and dusty material, solidified cell include light source, and the light beam that light source issues penetrates material scraper 11
The irradiation of transparent area 119 of bottom (i.e. close to the position of material drum 2) setting is in the printing material 41 of squeezed state, forms cured layer.
In Fig. 8 a, material drum 2 is performed the rotation of 61 drives edge arrow 101 of device, and printing material 41 is routed to rotation by scraper-type material scraper 11
Material drum 2 on formed printing the bed of material 42, while light beam 28 through 11 bottom of material scraper transparent area 119 irradiation be in squeezed state
Printing material 41 formed cured layer.Certainly it is also possible to the second solidification device 132 of setting, printing material layer 42 is carried out at selective solidification
It manages, material scraper 11 is moved along arrow 102 in print procedure, and solidification device 132 is moved along arrow 103, is respectively further from the molding of material drum 2
Surface.
Fig. 8 b is unlike drum 8a.Material scraper 11 is rotary drum shape, and is rotated by 69 drives edge arrow 109 of actuator, is scraped
Glassware 11 is rotated in a first direction around first axle, and material drum 2 is rotated in a second direction, around second axis, first direction and second party
To on the contrary, light beam 28 is radiated at the formation of printing material 41 on material drum 2 in squeezed state admittedly through the transparent area 119 of material scraper 11
Change layer, cured layer is wound up on the material drum 2, and the first solidification device 131 is light source, and the inside of material scraper 11 may be arranged in.It is false
If 11 constant revolution of material scraper, as winding of the printing bed of material on material carrier 3 is accumulated, expect outside the accumulation printing bed of material on drum 2
Diameter becomes larger, will not be along material 2 surface tangent direction translation gliding of drum with true when in order to keep printing material layer to be stacked on material drum 2
Accurate laying printing material is protected, then expects that the revolving speed of drum 2 need to slow down gradually with the accumulation of the printing bed of material 42, to keep expecting 2 surface of drum
Or the linear resonance surface velocity original of the linear velocity of the outer surface of the close material scraper 11 for the printing bed of material 42 accumulated and material scraper 11
It is then upper equal.
In foregoing embodiments, expect that the molded surface of drum 2 is rotated around axis 31, the molded surface of material drum 2 is beaten for carrying
The printing bed of material 42 that print material 41 is formed；Stone unit is used to printing material 41 forming the printing bed of material 42 and is laid on the material drum 2
On；Such as stone unit may include material scraper 11, can also include dispenser 12 etc.；Solidified cell will be for that will expect on drum 2
Print 42 selectivity solidification of the bed of material；Such as solidified cell may include solidification device 13, perhaps including the first solidification device 131 or
It may further include the second solidification device 132 or light source etc.；Driving unit is connected with stone unit and solidified cell, works as progress
When printing, driving unit drives stone unit and solidified cell continuously far from the molded surface of the material drum 2, and the printing bed of material 42 exists
Expect that the accumulation of spiral form winding, the selectivity of cured unit are formed by curing threedimensional model on drum 2.
If similar use conventional reciprocating formula stone method, i.e., the foot of one way stone process is once just piled with before material scraper
Printing material is measured, then with the progress of scraper process, the printing material height of material scraper builds up ahead can be gradually decreased, so as to printing
The pressure of the bed of material 42 changes, since charging pattern of the invention is continuous stone process, i.e., in a print procedure middle berth
Material process is continuous, so that the variation for the printing material thickness accumulated in front of material scraper can be bigger, to the pressure of printing material layer 42
Power variation can be bigger, influences stone precision and printing shaping precision.It, can be with using the above-mentioned charging pattern with dispenser 12
Amount by the printing material accumulated in front of control material scraper, realizes more accurate feed and stone.
To sum up, the present invention may be summarized to be, including, expect drum 2, what the molded surface of material drum 2 was rotated around axis 31, and be used for
It carries printing material 41 and forms the printing bed of material 42；Stone unit is relatively rotated with material drum 2, and stone unit is for spreading printing material 41
It is located at the molded surface of material drum 2, forms the printing bed of material 42；Solidified cell, for stating the 42 selectivity solidification of the printing bed of material；Driving is single
First (attached to be not shown in the figure) is connected with material drum 2, stone unit and solidified cell, when being printed, with the printing bed of material 42
Winding accumulation on material drum 2, driving unit drive the molded surface of stone unit and solidified cell continuously far from material drum 2.Paving
Material unit can use material scraper 11, such as scraper plate (or material scraping plate) or roller type, and the roller of roller type material scraper 11 can be with
It is light transmission, can also be injector 14, can also include dispenser 12, can also be what dispenser 12 and material scraper 11 integrated
Stone device 18.Solidified cell can be solidification device 13 or the first solidification device 131, can further include the second solidification device
132, and other solidification devices, such as 133 and 143.Driving unit can be various realization stone units and solidified cell far from material
The driving device of the molded surface of drum 2 can be realized, such as screw rod transmission, linear motor or hydraulic cylinder etc., tool using the prior art
Body is not repeated.
As shown in fig.9, further provide realization on the basis of aforementioned each embodiment while printing two layers of printing material
The embodiment of layer 42.Assuming that stone unit and solidified cell constitute impression block group.Fig. 9 assumes that stone unit is material scraper, solidification
Unit is solidification device, if material scraper 1A11 and solidification device 1A131 constitutes the first impression block group 1A.If solidification device 1A131 is viscous
Agent injector is tied, then the first impression block group 1A is also possible that radiation source 1A132.Certainly it in the first impression block group 1A, is scraping
Dispenser can also be arranged in the upstream position of glassware 1A11, to simplify expression, be not shown in the figure, can refer to aforementioned embodiment party
Formula, certain material scraper 1A11 and dispenser can also be integrated into the stone device 18 in Fig. 7.Second impression block group 1B is by material scraper
1B18 and solidification device 1B131 is constituted, if solidification device 1B131 is binder injector, the second impression block group 1B is also possible that
Radiation source 1B132.If expecting that drum 2 is rotated around axis 31 along arrow 100 with cycle T.If the thickness of the definition printing bed of material 42 is δ,
Material scraper 1A11 or 1B18 is 2 δ/T radially away from the mobile speed in the direction of axis 31.Since 2 impression block groups carry out simultaneously
Printing, so theoretically print speed can be compared to using one times of promotion the case where an impression block group.Material scraper 1A11 air exercise
Print material is laid with to form printing bed of material 42A, and stone device 1B18 is laid with printing material to form printing bed of material 42B.Binder injector
1A131 carries out selective jet binder to printing material layer 42A, and radiation source 1A132 radiates the binder on printing material layer 42A
Energy is to accelerate to solidify.Meanwhile binder injector 1B131 carries out selective jet binder, radiation source to printing material layer 42B
1B132 is to the binder radiation energy on printing material layer 42B to accelerate to solidify.
As shown in fig.10, the embodiment that 3 impression block groups of signal are printed simultaneously.And assume the stone of impression block group
Device is jet feeder, and solidification device is radiation source, such as ultraviolet source.Assuming that the first impression block group 1A is by jet feeder 1A14 and radiation source
1A13 is constituted, and the second impression block group 1B is made of jet feeder 1B14 and radiation source 1B13, and third impression block group 1C is by stone device
1C14 and radiation source 1C13 is constituted.Assume that material drum 2 is rotated with cycle T along arrow 100 around axis 31 in figure, while impression block group
1A, 1B and 1C are moved to the direction far from axis respectively along the axis of vertical material drum 2.If definition thickness is δ, each impression block
Jet feeder and to use the speed of respective movement of the solidification device of radiation source may be 3 δ/T in group.I.e. print speed is compared to list
The case where a impression block group, promotes 2 times.Jet feeder 1A14 is laid with printing material to form printing bed of material 42A, jet feeder 1B14 air exercise
Print material is laid with to form printing bed of material 42B, and jet feeder 1C14 is laid with printing material to form printing bed of material 42C.Radiation source 1A13 air exercise
Elective irradiation solidifies the printing bed of material on print material layer 42A, meanwhile, radiation source 1B13 is to elective irradiation on printing material layer 42B
Solidify the printing bed of material, radiation source 1C13 solidifies the printing bed of material to elective irradiation on printing material layer 42C.It is cured in figure to beat
Print material 421 shows the partial sectional view of threedimensional model.
Figure 11 is illustrated when material drum is thinner, and 1 or a small number of impression block groups may can only be accommodated when printing starts.Here
Assuming that start when printed by an impression block group, with printing the bed of material 42 printing carry out, impression block group far from material drum 2 at
Type surface is to move outside impression block group to embodiment shown in Figure 11, and the diameter of the printing bed of material 42 becomes larger, and can have receiving more
More impression block groups.If expecting that drum rotation period is T.Figure 11 a shows impression block group 1A (by stone device 1A11 and solidification device 1A13 structure
At) start to be printed, the speed of outer shifting is δ/T, impression block group 1B (being made of stone device 1B11 and solidification device 1B13) and is beaten
Stamp group 1C (is made of) stone device 1C11 and solidification device 1C13, is first not involved in printing.Figure 11 b, impression block group 1B are begun participating in
Printing, while the outer shifting speed of impression block group 1A and 1B are all 2 δ/T.Figure 11 c, impression block group 1C also begin participating in printing, and 3
Impression block group starts simultaneously at printing, and the movement speed of each impression block group is 3 δ/T.Impression block group 1A is illustrated to form printing in Figure 11 d
Bed of material 42A, impression block group 1B form printing bed of material 42B, and impression block group 1C forms printing bed of material 42C.
Figure 12 is illustrated in foregoing embodiments along a kind of schematic cross-section of printing embodiment of 31 cutting of shaft.Printing
The cured printing bed of material 421 will be not only formed according to threedimensional model in the process, for example, by using binder injector or radiation source pair
42 selectivity solidification of the bed of material is printed, while other printing materials 41 may also be solidified, provides support for model structure, and
It can prevent the printing material (such as powder or slurry) of uncured portion from falling off during rotation.Further, in support construction
Wall 423 can also be formed between 422 and mold curing material 421, the bonding for being such as conducive to anti-sintering binder or being easily detached from
The cross-sectional layers 423 that agent is formed by curing, may make to combine between support construction and threedimensional model curing materials and are easily detached from, when post-processing
Facilitate removal support construction.
Figure 13 illustrates the embodiment of another printing.Material drum 2 is truncated cone-shaped, and is rotated around axis 31 along arrow 100,
Stone device 18, the first solidification device 131 (such as binder injector) solidify the printing bed of material according to the header length of threedimensional model 5
42.Stone device 18 is moved along arrow 101, and 131 arrow 102 of the first solidification device is mobile.It is also possible that the second solidification device 132 (such as
Radiation source) accelerate the solidification of the printing bed of material 42, and moved along arrow 103.It can also be beaten simultaneously using multiple impression block groups
Print.Impression block group in this embodiment can also be by any one embodiment above-mentioned or several combinations.
Figure 14 is equivalent to the side view that 31 cutting of axis in Figure 13 is formed, and illustrates a kind of for very long or endless
The Method of printing of part.The molded surface for expecting drum 2 is cylindrical surface, and is rotated along arrow 100, such as bearing 29 can be set
Carry out supporting material drum 2 and provide more stably to rotate.Material scraper 11 and the angled setting of material drum 2, are routed to material drum 2 for printing material
On, forming the printing bed of material 42. while printing 42 entirety of the bed of material can also move along arrow 101, i.e., (expect drum 2 along axis 31
Pivot center, with reference to Fig. 1) and it is mobile towards the direction far from material scraper 11.Printing material can printed constantly and continuously in this way
It is stacked on the bed of material 42.With reference to Figure 13,132 selectivity of the first solidification device 131 and/or the second solidification device will print the bed of material
42 are solidified.With printing the moving along arrow 101 of the bed of material 42, this process can infinitely go on.Such as it can print
Very long or unlimited long tubular piece.
Figure 15 is similar with Figure 14, except that material drum 2 is sleeve-shaped and prints the inside that the bed of material 42 is attached to material drum 2.
Expect that drum 2 drives the printing bed of material 42 to rotate along arrow 100, while printing the bed of material 42 and being moved along arrow 101, i.e., (expects along axis 31
The pivot center of drum 2, with reference to Fig. 1) and it is mobile towards the direction far from material scraper 11.It can using the similar Method of printing of such as Figure 14
To realize the printing of very long or endless shaft-like part.The printing bed of material 42 in Figure 14 and Figure 15 on material drum 2 is along arrow
First 101 may slide when mobile with material drum 2, be not shown in the figure the device of the driving printing movement of the bed of material 42, it is any can be real
The mechanism that the now driving printing bed of material 42 is moved along arrow 101, is not repeated.It is all to be illustrated as horizontal type in Figure 14 and Figure 15
Structure, i.e. material drum 2 are that horizontal type is arranged, and in some embodiments, material drum 2 is also possible to vertical structure or other angles inclination is set
It sets.
Material drum 2 in foregoing embodiments can be the component in printing device, be also possible to one of threedimensional model 5
Point, such as solidify on the basis of expecting drum 2 and form more complicated part model in conjunction with the printing bed of material 42.In addition, the printing bed of material
42 are routed on material drum 2, or are routed on the molded surface of material drum, refer to that the printing bed of material 42 is routed to the molded surface of material drum 2
It above or before being routed to has been routed on the printing bed of material 42 on material 2 molded surface of drum.The shape for expecting drum 2 is cylinder, circle
Platform shape or sleeve-shaped.The outer surface in material drum 2 can be set in the molded surface of material drum 2, also can be set in the inside of material drum 2
Surface.
Material scraper in each embodiment of the present invention can use blade structure, can also use idler wheel or roller frame,
Or the screeding device whole using flexible blade structure or tilt adjustable.Or other are able to achieve and are laid with to flowable printing material
Structure.
It need to illustrate in foregoing embodiments, material drum 2 can not also rotate, but impression block group (including stone device and solidification
Device) it is rotated around material drum 2, or material drum 2 and impression block group all rotate, and 3D printing method of the present invention can be achieved.
Narration uses " top " in text, and " lower section ", " left side ", the Directional words such as " right side " are the convenience based on specific attached drawing
Property description, be not limitation of the present invention.In practical application, due to the whole transformation in space of structure, actual top or under
Orientation is set may be with the difference of attached drawing.But these transformation all should be protection scope of the present invention.Meanwhile the above various embodiments is all
It is alternative embodiment of the invention, those of ordinary skill in the art can also carry out various transformation or improvement on this basis,
Under the premise of not departing from the total design of the present invention, these transformation or improve all should belong to the scope of protection of present invention it
It is interior.
Claims (15)
1. a kind of printing equipment characterized by comprising
Expect that drum (2), the molded surface of the material drum (2) are rotated around axis (31), the molded surface of the material drum (2) is for carrying
The printing bed of material (42) that printing material (41) is formed；
Stone unit, the stone unit is used to forming printing material (41) into the printing bed of material (42) and spiral form winding is laid on
On the material drum (2)；
Solidified cell forms threedimensional model for selectively solidifying the printing bed of material (42) on material drum (2)；
Driving unit is connected with material drum (2), the stone unit and the solidified cell, and the driving unit is used for
The material drum (2), the stone unit and the solidified cell is driven to be acted in print procedure.
2. printing equipment as described in claim 1, which is characterized in that the stone unit includes material scraper (11), described to scrape
Glassware (11) is material scraping plate or roller；The stone unit further includes that dispenser (12) dispenser (12) setting is scraped described
The front side of glassware (11).
3. printing equipment as claimed in claim 2, which is characterized in that the dispenser (12) be equipped with vibrator (15) and/
Or temperature-adjusting device (16).
4. printing equipment as claimed in claim 2, which is characterized in that the dispenser (12) includes shell (12-1) and runner
(22), have tooth socket (22-1) around the runner (22), the tooth socket (22-1) is for driving printing material (41) flow direction material drum
(2)；Or valve (23) are provided on the pipeline of the dispenser (22).
5. printing equipment as described in claim 1, which is characterized in that the stone unit further includes fiber spray nozzle (17), institute
The pipeline (171) having in fiber spray nozzle (17) for transmitting fiber (8) is stated, being additionally provided in fiber transmission path can cut off
The cutter (172) of fiber.
6. printing equipment as described in claim 1, which is characterized in that the molded surface of the material drum (2) is located at material drum
(2) outer surface, and reduce the material drum as winding of the printing bed of material (42) on material drum (2) is accumulated
(2) angle revolving speed；Alternatively, the molded surface of the material drum (2) is located at the inner surface of material drum (2), and beaten with described
The angle revolving speed of the material drum (2) is accumulated and increased to winding of the print material layer (42) on material drum (2).
7. printing equipment as described in claim 1, which is characterized in that the stone unit is provided with multiple groups, the stone list
Member is arranged intermittently around the molded surface periphery of material drum (2).
8. printing equipment as described in claim 1, which is characterized in that the stone unit includes material scraper (11), material scraper
(11) bottom has transparent area (119), and the printing material (41) is the curable material of illumination, and the solidified cell includes light
Source, the light beam that the light source issues are in the printing material of squeezed state through transparent area (119) irradiation of material scraper (11) bottom
(41), cured layer is formed, the cured layer is wound up on the material drum (2).
9. printing equipment as claimed in claim 8, which is characterized in that the material scraper (11) is rotary drum shape and rouses (2) with material
Cooperation, material scraper (11) are rotated in a first direction around first axle, expect that drum (2) is rotated in a second direction, around second axis, and first
Direction and second direction are on the contrary, light beam (28) is radiated at the printing material for expecting to be in squeezed state on drum (2) through material scraper (11)
(41) cured layer is formed, the cured layer is wound up on the material drum (2).
10. printing equipment as claimed in claim 9, which is characterized in that be additionally provided with auxiliary material scraper (19), the auxiliary is scraped
For glassware (19) for forming pre-coated layer on the stone device (11), the pre-coated layer is routed to material with the rotation of material scraper (11)
On drum (2).
11. printing equipment as claimed in claim 2, which is characterized in that the molded surface of the material drum (2) is cylindrical table
Face, the material scraper (11) and material drum (2), which are at an angle of, to be arranged, described on material drum (2) in print procedure
It is mobile towards the direction far from the material scraper (11) along the axis (31) to print the bed of material (42).
12. a kind of Method of printing using the described in any item printing equipments of claim 1-11, which is characterized in that including following
Step:
S1, expect that drum (2) is rotated around axis (31)；
S2, stone unit are wound printing material (41) on the molded surface for being stacked into and expecting drum (2) in the form of spiral；
S3, solidified cell will print the bed of material (42) according to the information of threedimensional model (5) and selectively solidify；
S4, when executing step S2 and S3, with the printing material (41) the material drum (2) on winding accumulate, the paving
The molded surface of material unit and solidified cell continuously far from material drum (2), forms threedimensional model.
13. the Method of printing of printing equipment as claimed in claim 12, which is characterized in that at least by stone unit and solidification device
Impression block group is constituted, multiple impression block group ring week settings are in material drum (2) molded surface periphery, multiple impression blocks
Group can be laid with the multiple vortex shapes printings bed of material (42) on material drum (2) simultaneously, and the corresponding solidified cell is respectively adopted
It carries out being formed by curing cured layer.
14. the Method of printing of printing equipment as claimed in claim 13, which is characterized in that the molded surface of the material drum (2)
In the outer surface of material drum (2), print procedure, with the printing bed of material (42) outer diameter for expecting to wind accumulation on drum (2)
Increase and increases the quantity for participating in the impression block group of printing.
15. a kind of Method of printing using the described in any item printing equipments of claim 1-11, which is characterized in that roused including material
(2) molded surface is cylindrical and rotates around axis (31)；Stone unit includes material scraper (11), the material scraper (11) with
The material drum (2), which is at an angle of setting and printing material (41) is laid to spiral form printing material layer (42) winding, is stacked into the material
On the molded surface of drum (2)；Solidified cell will print the bed of material (42) according to the information of threedimensional model (5) and selectively solidify；Printing
In the process, the printing bed of material (42) on material drum (2) is along axis (31) towards far from the material scraper (11)
Direction is mobile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811619828.XA CN109483881A (en) | 2018-12-28 | 2018-12-28 | A kind of printing equipment and Method of printing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811619828.XA CN109483881A (en) | 2018-12-28 | 2018-12-28 | A kind of printing equipment and Method of printing |
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| Publication Number | Publication Date |
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| CN109483881A true CN109483881A (en) | 2019-03-19 |
Family
ID=65712830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201811619828.XA Pending CN109483881A (en) | 2018-12-28 | 2018-12-28 | A kind of printing equipment and Method of printing |
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| CN (1) | CN109483881A (en) |
Cited By (1)
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| CN110450406A (en) * | 2019-09-09 | 2019-11-15 | 安徽卓锐三维科技有限公司 | A method of 3D printing is realized in revolving body arc-shaped surface based on RPM technology |
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