CN109130171A - A kind of more laser flexible increasing material manufacturing system and methods of the more materials of polymer - Google Patents
A kind of more laser flexible increasing material manufacturing system and methods of the more materials of polymer Download PDFInfo
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- CN109130171A CN109130171A CN201810850206.1A CN201810850206A CN109130171A CN 109130171 A CN109130171 A CN 109130171A CN 201810850206 A CN201810850206 A CN 201810850206A CN 109130171 A CN109130171 A CN 109130171A
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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
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/118—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
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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
- B29C64/20—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
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/264—Arrangements for irradiation
- B29C64/268—Arrangements for irradiation using laser beams; using electron beams [EB]
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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
- B29C64/30—Auxiliary operations or equipment
- B29C64/307—Handling of material to be used in additive manufacturing
- B29C64/321—Feeding
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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
- B29C64/30—Auxiliary operations or equipment
- B29C64/386—Data acquisition or data processing for additive manufacturing
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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
Abstract
The invention belongs to silk material laser gain material manufacturing fields, and disclose a kind of more laser flexible increasing material manufacturing system and methods of the more materials of polymer.System includes multiple modules, each module is corresponding to shape region different in single slicing layer, each module includes laser emission element, multiple robots and for silk unit and squeezes out unit with each robot mating setting, laser emission element is provided separately with unit is squeezed out, so that squeezing out and melting the blocking for separately carrying out avoiding squeezing out unit spray head；Squeeze out the end that robot is arranged in unit, robot, which carries, squeezes out the conveying that unit reaches preset position realization silk material, a kind of each silk material of robotic delivery, multiple robots carry out wire feed according to preset track and sequence, the silk material of submitting melts under the action of laser emission element, to realize the forming of the more materials of each slicing layer.Through the invention, it solves the problems, such as that spray head is susceptible to plugging, improves the flexibility of manufacture system, realize the forming of large size product.
Description
Technical field
The invention belongs to silk material laser gain material manufacturing fields, soft more particularly, to a kind of more laser of the more materials of polymer
Property increasing material manufacturing system and method.
Background technique
Fusion sediment shapes (FDM) as a kind of important polymer increases material manufacturing technology, it has increasing material manufacturing skill
The plurality of advantages of art can such as manufacture the components not limited by geometry, the exploitation manufacturing cycle for shortening product, save material
Deng.In FDM forming process, polymer silk material is transported to nozzle by wire feeder and is heated to molten state, in sky after extrusion
Solidified forming in gas.
Currently, the advantages that FDM technology is low in spite of operating cost, moulding material is extensive, post-processing is simple, but as one kind
Important polymer increasing material manufacturing method, there are still following shortcomings: (1) often occurring the blocking of thermal jet head in print procedure
The phenomenon that, this is mainly caused by wire feed rate and silk material melting rate mismatch, unfused silk material be deep into melted but
In the molten state material not yet squeezed out, molten state material is caused to be spilled over to the cooling solidification of feed end gap, to cause spray head
Blocking；(2) material of printing head often remaining molten state, it is cooling after just solidification stay at nozzle, due to printing nozzle one
As be 0.4mm and be the key position of printing head, cause remaining material cleaning difficult, cleaning operation is improper also to damage spray
Mouth, to seriously affect printing precision；(3) if design of part complexity, the size of printing are larger, printing head will long-time work
Make under higher temperature (common ABS, PLA print temperature is 200 DEG C or so), this will affect the service life of printing head；
(4) due to needing the material molten state to squeeze out from spray head, forming speed is slower for FDM forming, and unsuitable manufacture is large-scale
Product；(5) silk material is extruded as vertical direction, by the silk material of the effect molten state of gravity point-by-point, by-line, deposit by face, and
And the forming of product short transverse, FDM printing head are completed by the method that lifting platform declines；(6) current FDM printer is big
Part is intrinsic single nozzle mode, can only realize a kind of forming of material.And it is needed with the development of science and technology with the strategy of country
It wants, the forming of more materials has become the hot spot of research.
CN107116220A discloses a kind of electric field driven molten metal jet deposition 3D printing device and its working method,
Its preparation for being directed to the more materials of metal；CN206733600U discloses a kind of more compound 3DP of material level of single nozzle realization
Device, mainly use ceramic powders or hydrogel as printed material, and use is only limitted to bio-medical material
Molding field, it can be seen that the increasing material manufacturing research of the more materials of polymer is less, in opposite space state；CN104118121A
A kind of anti-blocking printing head of FDM printer is disclosed, by the way that slim heated aluminum block is added, T-type preheats aluminium block and constant temperature aluminium block,
Be greatly reduced heating space, silk material melting it is fast, solve spray head blockage problem to a certain extent, still, this anti-clogging
Spray head, which joined multiple components such as multiple aluminium blocks and temperature sensor, leads to that structure is complicated, it is difficult to accurate processing, and silk material
Performance is uneven, often containing factors the also result in spray head blocking such as impurity, solidification be abnormal, such case be anti-blocking printing head without
What method solved；In addition, in FDM technology or even entire material increasing field, the monolithic molding of large size product is always urgently solved
Certainly the problem of, this is mainly due to what the laser that laser generates can act on to be limited in scope.
Summary of the invention
Aiming at the above defects or improvement requirements of the prior art, the present invention provides a kind of more laser of the more materials of polymer are soft
Property increasing material manufacturing system and method, by during fusion sediment manufacture system and its manufacturing method improve, wherein
Subregion forming is realized by the way that the slicing layer divided in forming is divided into multiple regions, while to the corresponding forming of each formation zone
Unit and processing sequence are set, and in such a way that extrusion unit and laser emission element are provided separately, make polymer filament
Material submitting is separated with melting behaviors, is solved the common spray head of FDM equipment and is easily blocked, cleans the problems such as difficult, service life is short；It is logical
Crossing multiple robots drives wire feeder to transport different types of silk material, not only increases flexibility, the accuracy of process
And stability, and the forming of more materials and the problem that large size product forming is difficult are realized, and system is greatly improved
Make the flexibility of system.
To achieve the above object, according to one aspect of the present invention, a kind of more laser flexibles of more materials of polymer are provided
Increasing material manufacturing system, which is characterized in that
The system comprises multiple modules, after each slicing layer of product to be formed is divided into multiple regions, Mei Gesuo
The different region of the corresponding forming of module is stated, the subregion forming of product to be formed is realized with this, and each region can nothing
Seam is stitched together；
Wherein, each module include laser emission element, multiple robots and with each mating setting of robot
For silk unit and squeeze out unit, the laser emission element is provided separately with the extrusions unit, divides so that squeezing out and melting
It drives row into, avoids blocking the extrusion unit；The end for squeezing out unit and the robot being arranged in, the robot carry
The unit that squeezes out reaches the conveying that silk material is realized in preset position, and a kind of each silk material of robotic delivery is multiple described
Robot carries out wire feed according to preset track and sequence, and the laser that the silk material of submitting is issued by the laser emission element carries out
Melting, the melt-shaping of a variety of silk materials of each slicing layer is realized with this.
It is further preferred that it is described squeeze out unit lower end be provided with traction mechanism, the traction mechanism include towing plate and
One group of fixed pulley being oppositely arranged is set, and silk material is pierced by between the fixed pulley being oppositely arranged, and the towing plate is used for will
The fixed pulley is connect with the extrusion unit.
It is further preferred that the laser emission element preferably uses CO2Laser, and according to the different robots
The silk material of conveying adjusts the parameter of the laser in real time, adapts to demand of the different silk materials meltings to laser energy with this.
It is further preferred that the robot preferably uses multi-axis robot, guarantee to cooperate between different robots with this
It is non-interference when work, to improve the flexibility of manufacture system, wherein the number of the robot preferably uses 2~6, described
Laser emission element preferably uses 1~3.
It is further preferred that the system also includes controller, the controller respectively with the machine in each module
People, laser emission element are connected for silk unit with unit is squeezed out, and the collaborative work of all parts is realized with this.
It is further preferred that successively declining the thickness of a slicing layer by the lifting platform the system also includes lifting platform
Degree, realizes the layer-by-layer forming of product to be formed.
Other side according to the invention additionally provides a kind of increasing material manufacturing side of manufacture system as described above
Method, which is characterized in that this method includes the following steps:
(a) threedimensional model progress hierarchy slicing is obtained multiple slicing layers by the threedimensional model for constructing product to be formed
2-D data, then voxel slice is carried out to every layer of slicing layer, every layer of data point set is obtained, voxel is carried out to all slicing layers and is cut
The spatial data point set of entire product to be formed is obtained after piece；Data point set in each slicing layer is divided into multiple regions, root
According to the region of the division, choose required silk material corresponding with the region and be mounted on it is described on silk unit, meanwhile, according to described
The region of division sets motion profile and the wire feed sequence of different robots in each region；
(b) for each slicing layer, the robot in the different regions is carried according to the motion profile of the setting
The wire feed unit carries out wire feed, and the silk material that the laser emission element melting is sent out is realized with this in different regions
The melt-shaping of silk material, in all different regions after the completion of the melt-shaping of silk material, that is, complete single slicing layer at
Shape, and all areas can it is seamless spliced together；
(c) lifting platform declines the thickness of a slicing layer, repeat step (b) until complete all slicing layers at
Shape, thus to obtain required product.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, can obtain down and show
Beneficial effect:
1, the mode of each slicing layer is processed in the present invention by using subregion, and right in the corresponding mating each region of setting
Robot, extrusion unit and the wire feed unit answered are realized each by the synergistic effect between each robot in each unit
The forming in region is finally completed the forming of single slicing layer, and this method is not limited theoretically by product size, especially suitable
In the processing of large size product；
2, the design of multimode is used in the present invention, separately sets wire feed unit and laser emission element in each module
It sets, so that the submitting and melting of silk material separately carry out, and then avoid silk material from sending out blocking in the process and squeeze out unit, is squeezed to reduce
The cleaning difficulty of unit out, and then improve the service life for squeezing out unit；
3, robot wire feed process is realized in such a way that multiple robot ends are arranged and squeeze out unit in the present invention, lead to
It crosses and different silk materials is set in different robots, realize the forming comprising multiple material product, while taking using robot
Band squeezes out unit and moves together, and freedom degree height is, it can be achieved that the process of substantially any track or angle, improves manufacture system
Flexibility.
4, melt silk material using laser in the present invention, energy is concentrated, high-performance polymer (such as PEEK material resistant to high temperature
Material) it can also melt easily, significantly improve the problem of fire-resistant high-performance forming polymer hardly possible.
Detailed description of the invention
Fig. 1 is according to the more laser flexible increasing material manufacturing systems of the more materials of polymer constructed by the preferred embodiment of the present invention
Device structure schematic diagram；
Fig. 2 is that the more laser flexibles of the more materials of polymer of a module constructed by preferred embodiment according to the invention increase
The device structure schematic diagram of material manufacture system；
Fig. 3 is the structural representation of two six-joint robots in same module constructed by preferred embodiment according to the invention
Figure；
Fig. 4 is mirror structures schematic diagram in laser sending unit constructed by preferred embodiment according to the invention；
Fig. 5 is constructed by preferred embodiment according to the invention for the structural schematic diagram of silk unit and extrusion unit；
Fig. 6 is the structural schematic diagram of workbench constructed by preferred embodiment according to the invention.
In all the appended drawings, identical appended drawing reference is used to denote the same element or structure, in which:
1- robot 3- laser emission element 31- laser 32- lens 33-X axis galvanometer motor 34-X axis galvanometer
35-Y axis galvanometer motor 36-Y axis galvanometer 4- lifting platform 51-, which squeezes out unit 53- traction mechanism 531- for silk unit 52-, to be determined
Pulley 532- towing plate 7- controller 8- workbench 81- bracket 82- bolt 83- jointing
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
Not constituting a conflict with each other can be combined with each other.
Fig. 1 is according to the more laser flexible increasing material manufacturing systems of the more materials of polymer constructed by the preferred embodiment of the present invention
Device structure schematic diagram, as shown in Figure 1, a kind of more material flexibility increasing material manufacturing equipment of polymer include multiple modules, Mei Gemo
Block is used to shape the different zones in slicing layer；Using including Liang Ge robot 1 in a module in the present embodiment, transport respectively
There are a laser emission element 3 in different types of silk material, forming table top top, and mating is provided with of each robot squeezes out unit 52
With for silk unit 51, can increase as needed in practice robot, for silk unit, squeeze out unit and laser emission element number
Amount.
Robot has high-freedom degree, can guarantee that robot arm free end can complete space any angle or track
Movement, each robot is mutual co-ordination, non-interference by the linkage process control in loading controller.
The heat source that laser emission element is processed as silk material, for the melting of silk material, polymer copes with what laser generated
Laser has higher absorptivity, and when the type of material changes, the parameter of laser can be with real-time change to adapt to not
With the needs of material.The position of laser in laser emission element is fixed on the top of Z axis lifting platform, preferably CO2Laser
Device simultaneously adds laser galvanometer scanning system, and its parameter should be able to be adjusted in real time according to different materials, make more material systems
Part can obtain suitable processing temperature when mutually switching in real time.
The upper table surface of Z axis lifting platform is the shaped bottom of product, is parallel to ground.
Fig. 2 is that the more laser flexibles of the more materials of polymer of a module constructed by preferred embodiment according to the invention increase
The device structure schematic diagram of material manufacture system, as shown in Fig. 2, the system includes Liang Ge robot 1, laser sending unit 3, Z
Axis lifting platform 4 is formed for silk unit 51, extrusion unit 52, controller 7, workbench 8 etc..In the present embodiment, controller 7 is distinguished
With Liang Ge robot 1, laser sending unit 3, Z axis lifting platform 4, for silk unit 51 and squeeze out unit 52 connect, and be used for control
The collaborative work of these parts is made, it is non-interference, have the characteristics that integrated, modular；Unit is squeezed out to be driven by robot, because
The quantity of both this is equal, and the quantity of laser is set according to the quantity in the region divided in each slicing layer, Mei Gecheng
Contain a laser in shape region.
Slicing layer is divided into multiple and different regions, it is possible thereby to shape large-sized production in forming process of the present invention
Product, it is contemplated that the reality and processing efficiency of forming, laser sending unit number therein is preferably 1~3, robot
Quantity be preferably 2~6.
Fig. 3 is the structural representation of two six-joint robots in same module constructed by preferred embodiment according to the invention
Figure, as shown in figure 3, Liang Ge robot is six axis, and Liang Ge robot structure having the same and working principle, machine are artificial
Six axis, this shows that the robot arm has six-freedom degree, and six arrows in figure respectively indicate the side of six axis rotation
To robots arm can adapt to the processing of almost any angle and track, can satisfy the needs actually shaped, the six axis machine
People realizes full-automatic work, has controllable error rate, more it is essential that the two robots are in controller 7
It is not mutually isolated under the process control that links, but close collaboration, the two cooperate, are non-interference.
Fig. 4 is mirror structures schematic diagram in laser sending unit constructed by preferred embodiment according to the invention, such as
Shown in Fig. 4, laser sending unit 3 is by laser 31, lens 32, X-axis galvanometer motor 33, X-axis galvanometer 34, Y-axis galvanometer motor
35, this six parts of Y-axis galvanometer 36 form.The mirror structures make the intensity of laser in one plane be it is equal, it is a branch of
Laser is sent out, and equicohesive position should form one, space spherical surface (or cambered surface), rather than a plane, while also have
Quickly, the characteristics of accurate scan.
Fig. 5 is for the structural schematic diagram of silk unit and extrusion unit constructed by preferred embodiment according to the invention, such as
Shown in Fig. 5, squeezes out unit 52 and the end for silk unit 51 is set, silk material is coiled on silk unit 52, silk material is single from squeezing out
Member 52 squeezes out, and silk material squeezes out cell end and is provided with traction mechanism, which includes that towing plate and one group are oppositely arranged
Fixed pulley 531 is used for " frame is lived " silk material, guarantees that the motion profile of silk material is controllable；It is that lesser sliding rubs between pulley and silk material
It wipes, guarantee silk material can be smooth and be directed to place to be formed with not being damaged, the two fixed pulleys are bolted on
On towing plate 532, towing plate 532 and silk material squeeze out unit and are bolted on bracket 81.The traction mechanism make silk material from
Squeeze out unit nozzle squeeze out after will not voltuntary movement, but place to be formed is directed to, it ensure that the stabilization of process
Property, be conducive to the dimensional accuracy and form accuracy that improve product.
Fig. 6 is the structural schematic diagram of workbench constructed by preferred embodiment according to the invention, as shown in fig. 6, machine
The end of people 1 is connected with workbench, jointing 83, bracket 81 and bolt 82 is provided on workbench, jointing is for connecting
Workbench 8 and robot are met, bracket 81 squeezes out unit for fixing silk material, and bolt 82 is used to bracket 81 being connected to the work
On platform.
It is the detailed description of whole equipment configuration aspects above, specific procedure of processing is described below:
(1) threedimensional model of product is imported in controller 7, hierarchy slicing first is carried out to determine each layer to the model
Forming height；Again to each layer of progress voxel slice, each layer of data point set, the result of hierarchy slicing and voxel slice are obtained
The spatial data point set of product and the location information of each point have just been obtained, according to product needs, has been arranged in corresponding data point
Corresponding material, obtains material information；By each slicing layer be divided into several regions (region 1, region 2 ... region n), thus
It determines the corresponding robot in each region, further generates the work order of each robot, wherein voxel slice is by product
Threedimensional model is cut into the point in space, i.e., regards model as spatially infinite multiple points and form；
(2) the spatial data point set determined for (1) needs that corresponding material is arranged in corresponding position according to product, i.e.,
Material information is unit storage with " unit spot ", after having obtained spatial data information and the material information of product model, generates machine
The machining code that device people can identify.
(3) controller 7 controls the extrusion unit of the drive of robot 1 simultaneously, squeezes out silk material smoothly and through silk material dragger
Structure is guided to position to be formed, each layer of the material obtained in a certain layer of formed product according to step (2) and its position
Information, when needing certain material, corresponding robot, which just drives, squeezes out the position that unit arrival needs to shape, and laser issues
Laser melts silk material；It is processed between different robots by preset machining locus and processing sequence, with this
Meanwhile laser adjusts relevant parameter in real time, so that laser power is adapted from different materials；Different shaped regions at
Shape is completed jointly by respective robot and laser, and " can be seamlessly connected " between different shaped regions, according to this
After step realizes the forming by putting into line in each region, the silk material melt-shaping of all areas is completed, will finally complete one
The forming of layer slicing layer.
(4) after having shaped one layer according to step (3) is every, Z axis lifting platform 4 according to the thickness of hierarchy slicing in step (1), under
Height equal to it is dropped, next layer of forming is continued, repeating above procedure can be obtained entire product.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (7)
1. a kind of more laser flexible increasing material manufacturing systems of the more materials of polymer, which is characterized in that
The system comprises multiple modules, after each slicing layer of product to be formed is divided into multiple regions, each mould
Block is corresponding to shape the different regions, and the subregion forming of product to be formed is realized with this；
Wherein, each module include laser emission element (3), multiple robots (1) and with each robot with being arranged
Set for silk unit (51) and squeeze out unit (52), the laser emission element (3) is provided separately with the extrusion unit (52),
It is separately carried out so that squeezing out and melting, avoids the blocking for squeezing out unit spray head；The extrusion unit (52) is arranged described
The end of robot (1), the robot (1) carry the unit that squeezes out and reach the conveying that silk material is realized in preset position, often
A kind of a silk material of the robotic delivery, multiple robots carry out wire feed, the silk of submitting according to preset track and sequence
Material melts under the action of the laser that the laser emission element issues, to realize being melt into for a variety of silk materials of each slicing layer
Shape.
2. a kind of manufacture system as described in claim 1, which is characterized in that the lower end for squeezing out unit (52), which is provided with, leads
Draw mechanism, which includes one group of fixed pulley (531) being oppositely arranged of towing plate (532) and setting, and silk material is from the phase
It is pierced by between the fixed pulley of setting, the towing plate is for the fixed pulley to be connect with the extrusion unit.
3. a kind of manufacture system as claimed in claim 1 or 2, which is characterized in that the laser in the laser emission element (3)
Device preferably uses CO2Laser, and according to the silk material of the different robotic deliveries, the ginseng of the laser is adjusted in real time
Number adapts to demand of the different silk materials meltings to laser energy with this.
4. a kind of manufacture system as described in any one of claims 1-3, which is characterized in that the robot (1) preferably uses
Multi-axis robot, to improve the flexibility of manufacture system, wherein the number of the robot preferably uses 2~6, the laser
Transmitting unit preferably uses 1~3.
5. a kind of manufacture system according to any one of claims 1-4, which is characterized in that the system also includes controllers
(7), the controller respectively with the robot in each module, laser emission element, for silk unit with squeeze out unit connect,
The collaborative work of all parts is realized with this, the linkage program to cooperate in controller (7) containing control multirobot guarantees
It cooperates between robot, it is non-interference.
6. a kind of manufacture system as described in any one in claim 1-5, which is characterized in that the system also includes lifting platforms
(4), the thickness for successively declining a slicing layer by the lifting platform realizes the layer-by-layer forming of product to be formed.
7. a kind of increasing material manufacturing method of manufacture system as claimed in any one of claims 1 to 6, which is characterized in that this method packet
Include the following steps:
(a) threedimensional model progress hierarchy slicing is obtained the two dimension of multiple slicing layers by the threedimensional model for constructing product to be formed
Data, then voxel slice is carried out to every layer of slicing layer, every layer of data point set is obtained, after carrying out voxel slice to all slicing layers
Obtain the spatial data point set of entire product to be formed；Data point set in each slicing layer is divided into multiple regions, according to this
The region of division, choose required silk material corresponding with the region and be mounted on it is described on silk unit, meanwhile, according to the division
Region set different robots in each region motion profile and wire feed sequence；
(b) for each slicing layer, described in robot in the different regions is carried according to the motion profile of the setting
Wire feed unit carries out wire feed, and the silk material that the laser emission element melting is sent out realizes silk material in the different regions with this
Melt-shaping complete the forming of single slicing layer in all different regions after the completion of the melt-shaping of silk material, and
And all areas can it is seamless spliced together；
(c) lifting platform declines the thickness of a slicing layer, repeats the forming of step (b) up to completing all slicing layers, by
This obtains required product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810850206.1A CN109130171B (en) | 2018-07-28 | 2018-07-28 | Polymer multi-material multi-laser flexible additive manufacturing system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810850206.1A CN109130171B (en) | 2018-07-28 | 2018-07-28 | Polymer multi-material multi-laser flexible additive manufacturing system and method |
Publications (2)
| Publication Number | Publication Date |
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| CN109130171A true CN109130171A (en) | 2019-01-04 |
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| CN109571939A (en) * | 2019-01-29 | 2019-04-05 | 浙江大学 | A kind of multirobot collaboration 3 D-printing method |
| CN110026650A (en) * | 2019-05-21 | 2019-07-19 | 西南交通大学 | A kind of dissimilar material composite construction increasing material manufacturing method based on more CMT systems |
| CN110936605A (en) * | 2019-11-19 | 2020-03-31 | 华中科技大学 | Biological 3D printing device suitable for gradient structure multi-material |
| CN112453428A (en) * | 2020-11-10 | 2021-03-09 | 北京计算机技术及应用研究所 | Binary channels laser vibration material disk numerical control system |
| CN113375557A (en) * | 2021-06-18 | 2021-09-10 | 华中科技大学 | Method for positioning actual processing point by using photosensitive element in laser additive manufacturing |
| CN113733559A (en) * | 2021-08-06 | 2021-12-03 | 西安交通大学 | Multi-platform efficient material extrusion additive manufacturing equipment and block printing method |
| CN113927895A (en) * | 2021-09-22 | 2022-01-14 | 华中科技大学 | Laser additive manufacturing system with shearing and rolling device |
| CN115383138A (en) * | 2022-08-30 | 2022-11-25 | 华中科技大学 | Fuse wire spray head and multi-material composite forming device adopting selective laser melting and fused deposition |
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| CN109571939A (en) * | 2019-01-29 | 2019-04-05 | 浙江大学 | A kind of multirobot collaboration 3 D-printing method |
| CN110026650A (en) * | 2019-05-21 | 2019-07-19 | 西南交通大学 | A kind of dissimilar material composite construction increasing material manufacturing method based on more CMT systems |
| CN110936605A (en) * | 2019-11-19 | 2020-03-31 | 华中科技大学 | Biological 3D printing device suitable for gradient structure multi-material |
| CN110936605B (en) * | 2019-11-19 | 2021-07-27 | 华中科技大学 | Biological 3D printing device suitable for gradient structure multi-material |
| CN112453428A (en) * | 2020-11-10 | 2021-03-09 | 北京计算机技术及应用研究所 | Binary channels laser vibration material disk numerical control system |
| CN112453428B (en) * | 2020-11-10 | 2022-07-26 | 北京计算机技术及应用研究所 | Binary channels laser vibration material disk numerical control system |
| CN113375557A (en) * | 2021-06-18 | 2021-09-10 | 华中科技大学 | Method for positioning actual processing point by using photosensitive element in laser additive manufacturing |
| CN113375557B (en) * | 2021-06-18 | 2022-04-12 | 华中科技大学 | Method for positioning actual processing point by using photosensitive element in laser additive manufacturing |
| CN113733559A (en) * | 2021-08-06 | 2021-12-03 | 西安交通大学 | Multi-platform efficient material extrusion additive manufacturing equipment and block printing method |
| CN113927895A (en) * | 2021-09-22 | 2022-01-14 | 华中科技大学 | Laser additive manufacturing system with shearing and rolling device |
| CN115383138A (en) * | 2022-08-30 | 2022-11-25 | 华中科技大学 | Fuse wire spray head and multi-material composite forming device adopting selective laser melting and fused deposition |
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