CN107498857A - A kind of worktable lifting formula 3D printer - Google Patents
A kind of worktable lifting formula 3D printer Download PDFInfo
- Publication number
- CN107498857A CN107498857A CN201710588365.4A CN201710588365A CN107498857A CN 107498857 A CN107498857 A CN 107498857A CN 201710588365 A CN201710588365 A CN 201710588365A CN 107498857 A CN107498857 A CN 107498857A
- Authority
- CN
- China
- Prior art keywords
- bin
- storage bin
- forming bin
- forming
- closed loop
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
Abstract
A kind of worktable lifting formula 3D printer, two-part dividing plate will be divided into by being provided with frame inside it, and slided up and down respectively in this two parts and be provided with storage bin and forming bin, storage bin and forming bin form workbench, storage bin and forming bin are each attached on the closed loop of steel wire rope formation, closed loop is set around some directive wheels, and drives storage bin and forming bin to move round about simultaneously by closed loop by Z-direction power transmission shaft；The top of frame is provided with support frame, and control printhead planar X-direction and the mechanism of Y-direction motion are provided with support frame.The workbench of the present invention is made up of storage bin and forming bin, and the closed loop that both are formed by steel wire rope moves round about simultaneously, not only eliminate backlass, and, by setting material scraping plate by the printing powder materials scraping delivery in storage bin into forming bin, moreover it is possible to which the waste material for solving the problems, such as to run into during common 3D printer powdering is difficult to recovery.
Description
Technical field
The present invention relates to 3D printing field, specifically a kind of worktable lifting formula 3D printer.
Background technology
3D printing technique is born in the U.S. of the eighties in last century, hereafter occurs the small climax of first wave at once, the U.S. is quickly
Emerge Duo Jia 3D printings company；1984, Charles Hull started to research and develop 3D printing technique, and 1986, he kept house,
First hand 3D printing technique company in the world is established, the same year has issued first item commercialization 3D printer.1988, Scott
Crump has invented FDM hot melt extrusion forming technologies, and another present 3D printing listed company has been set up in 1989
Stratasys, the said firm have sold First commercialization 3D printer in 1992.
China from the 3D printing technique that begins one's study in 1991, title at that time rapid prototyping technology, that is, develop sample it
Preceding mock-up；Specifically there are several ripe techniques, layer separated growth LOM, stereolithography SL, melt extruded in the world
FDM, laser sintered SLS etc., it is domestic also in continuous tracking exploitation.Before and after 2000, these techniques from laboratory research progressively to
Engineering, commercialization conversion.Due to the simply prototype, rather than the product that can be used worked it out, and the country is opened product
Hair also thinks little of, and is to plagiarize mostly, so rapid prototyping technology is popularized very slow in Chinese industrial field, sale is often only in the whole nation
Tens rapid prototyping equipment, are mainly used in the education sectors such as professional and technical training, colleges and universities.
3D printer operator is the parameter needed for the artificial setting 3D printing of system, and the parameter is pre-stored in corresponding storage
In equipment or it there is in computer, the control system of printer obtains 3D pattern numbers in storage device or in computer
According to, analyzed, cut into slices accordingly, then path planning is carried out to the 2D pictures after section, while establish out rational supporting part
Point, finally as the control instruction required for central control system automatically generates 3D printer according to the setting of software, i.e. G code.Control
Stepper motor driver on plate, which takes orders, drives corresponding stepper motor to drive printhead to be operated.Printhead starts to tell
For silk according to the point is moved into a line, the principle that line moves into face draws 2D figure layers, modelling is come out from level to level, each movement of z-axis
Amount is all the distance being manually set, and is also called floor height.After the printing of model is completed, it is also necessary to the polishing in later stage, polishing, or
The follow-up works such as person's colouring.
3D printing technique realizes the high speed development of explosion type, especially the 3D printing field in desktop level recent years
Show especially prominent.The hand of lot of domestic and international, which does manufacturer's 3D printing fan, can use 3D printer, and oneself is designed,
Improved part or other novel works low costs quickly manufacture, and 3D printing has an advantage that：It is exactly its layer
Accumulation increasing material manufacturing mode perfection solves the restrictive condition of die sinking manufacture, greatly releases the imagination of designer.
Existing 3D printer typically all has a print platform and printhead disposed thereon, and printhead is mutually hanging down
Moved on three groups of straight guide rails, so as to complete arbitrfary point in plane and the print job in height.
The content of the invention
It is an object of the invention to provide a kind of worktable lifting formula 3D printer, workbench is by storage bin and forming bin structure
Into, and the closed loop that both are formed by steel wire rope moves round about simultaneously, not only eliminates backlass, moreover,
By setting material scraping plate by the printing powder materials scraping delivery in storage bin into forming bin, moreover it is possible to when solving common 3D printer powdering
The waste material run into is difficult to the problem of recovery.
The used for achieving the above object technical scheme of the present invention is：A kind of worktable lifting formula 3D printer,
Including the frame supported by supporting leg, two-part dividing plate will be divided into by being provided with frame inside it, and in this two parts respectively
Slide up and down and be provided with storage bin and forming bin, storage bin and forming bin form workbench, and storage bin and forming bin are each attached to
On the closed loop that steel wire rope is formed, closed loop is set around some directive wheels, and passes through closed loop band by Z-direction power transmission shaft
Dynamic storage bin and forming bin move round about simultaneously；The top of the frame is provided with support frame, the both sides in support frame
Y-direction drive rail is symmetrically arranged with, is slided in two Y-direction drive rails and is provided with Y-direction travelling carriage, Y-direction travelling carriage is by setting
By belt drive, it is moved back and forth along Y-direction drive rail two Y-direction power transmission shafts at Y-direction drive rail both ends, and Y-direction is slided
Moving frame bottom is provided with the material scraping plate in the printing powder materials scraping delivery to forming bin in storage bin；It is provided with Y-direction travelling carriage
The X vertical with Y-direction drive rail is to drive rail, and X is to sliding the X that is provided with bottom installation printhead in drive rail to slip
Block.
In the present invention, the X drives the screw rod of its rotation to drive rail for stepper motor；
Or the X drives it to be moved back and forth along X to drive rail to sliding shoe from stepper motor by steel wire rope；
In the present invention, a driving shaft to be connected with stepper motor in two Y-direction power transmission shafts, another is driven
Axle, two Y-direction power transmission shafts form belt gear by belt between the two, and the both sides of Y-direction travelling carriage are fixed with belt
Connection, it is set to be moved back and forth with belt along Y-direction drive rail；The Z-direction power transmission shaft is by its rotating of driving stepper motor.
In the present invention, the Z-direction power transmission shaft 7 drives storage bin and forming bin to transport round about simultaneously by closed loop
Dynamic to refer to, in Z-direction drive axis, storage bin and forming bin move up and down respectively, and move distance is identical.
In the present invention, the X sprays colloid or transmitting laser to the printhead that sliding shoe bottom is installed, to be scraped to material scraping plate
The printing powder materials being sent in forming bin carry out molding bonded or sinter molding.
In the present invention, the material scraping plate include one with the perpendicular riser of Y-direction drive rail, riser towards storage bin one
Side is arc, and the bottom of riser is provided with forming bin side and material stock plate diagonally downward, and the free end of material stock plate is tilts
Downward inclined-plane, the side walls of the both sides and frame of riser and material stock plate, which cooperatively forms, semiclosed scrapes material space.
The present invention operation principle be：The storage bin and forming bin for forming workbench are connecing in both sides, 3D printer respectively
To after computer instruction, Y-direction power transmission shaft is moved to above forming bin by belt drive Y-direction travelling carriage above storage bin,
Because Y-direction travelling carriage bottom is provided with material scraping plate, in the process, material scraping plate by the printing powder materials scraping delivery in storage bin into
In type storehouse, then control from computer instruction Y-direction power transmission shaft and X respectively again to drive rail, so as to driving X to sliding shoe and
Printhead planar moves, and completes each layer of printing；After one layer printed, computer sends instruction control Z-direction transmission
Axle moves, and drives storage bin and forming bin to distinguish synchronous raising and lowering, prints next layer；Printhead is in printing in the present invention
Eject colloid or launch laser, so as to which material scraping plate to be scraped to the printing powder materials bonding in forming bin or sinters figure into
Case, the powder for not clinging or sintering are bulky powder, subsequently can be with self falling in case reusing.
Compared with prior art, the present invention has advantages below：
1）The present invention drives storage bin and forming bin to move round about simultaneously using rope traction, at the same using belt and
Y-direction power transmission shaft drives printhead to be moved along Y-direction, can eliminate backlass；The result of backlass experiment：Y-direction is forward
After making a move, then walk backward, pass through the displacement before and after comparing twice, you can backlass is judged, when Y-direction takes one pace forward
Displacement be 0.021mm, the displacement of return is 0.020mm.Here there is 0.001mm gap, but when continuously walking, weight
Multiple positioning precision is substantially error free.After 150 step is continuously walked, 150 steps are then reversely walked, displacement is substantially zeroed.X-direction and Z
The backlass in direction is similar with Y-direction, is substantially eliminated.Reach 0.018mm, X in the resolution ratio of the experimental provision Y-direction
Reach 0.019mm in the resolution ratio in direction, the resolution ratio of Z-direction reaches 0.018mm, and backlass substantially eliminates；
2）The workbench of printing is divided into storage bin and forming bin by the present invention, and drives both simultaneously to phase using rope traction
Opposite direction is moved, and during shaping, storage bin is gradually increasing, simultaneously because function of wire, forming bin synchronously declines certain altitude, and
Storage bin is gradually increasing that height is equal with forming bin falling head, and then material scraping plate starts scraper, will not thus cause common
The various problems that powdering mechanism is run into, such as waste material are difficult the inadequate natural endowment problem of recovery, simultaneously because two plate linkages are certainly
Cancel each other again, the load of motor is declined to a great extent；
3）The powdering mechanism simplifying of existing printer is a material scraping plate by the present invention, the tank wall group for coordinating both sides to be higher by 1 millimeter
Into a semi-enclosed space, forming bin is scraped by storage bin by the moving handle powder of Y-direction and paves compacting.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of material scraping plate of the present invention；
Reference：1st, body, 101, dividing plate, 102, storage bin, 103, forming bin, 2, fixed mount, 201, Y-direction drive rail,
202nd, Y-direction power transmission shaft, 3, Y-direction travelling carriage, 4, X to drive rail, 5, X to sliding shoe, 6, material scraping plate, 601, riser, 602, deposit
Flitch, 7, Z-direction power transmission shaft, 8, supporting leg, 9, directive wheel, 10, closed loop.
Embodiment
As illustrated, a kind of worktable lifting formula 3D printer, including the frame 1 supported by supporting leg 8, frame 1 is interior to be set
Two-part dividing plate 101 will be divided into by having inside it, and is slided up and down respectively in this two parts and be provided with storage bin 102 and shaping
Storehouse 103, storage bin 102 and forming bin 103 form workbench, and storage bin 102 and forming bin 103 are each attached to steel wire rope formation
On closed loop 10, closed loop 10 is set around some directive wheels 9, and drives storage by closed loop 10 by Z-direction power transmission shaft 7
Feed bin 102 and forming bin 103 move round about simultaneously；The top of the frame 1 is provided with support frame 2, in support frame 2
Both sides are symmetrically arranged with Y-direction drive rail 201, are slided in two Y-direction drive rails 201 and are provided with Y-direction travelling carriage 3, Y-direction is slided
Moving frame 3 by be arranged on two Y-direction power transmission shafts 202 at the both ends of Y-direction drive rail 201 by belt drive its along Y-direction drive rail
201 are moved back and forth, and the bottom of Y-direction travelling carriage 3 is provided with the printing powder materials scraping delivery in storage bin 102 to forming bin 103
Interior material scraping plate 6；The X vertical with Y-direction drive rail 201 is provided with Y-direction travelling carriage 3 to drive rail 4, X is to drive rail 4
Upper slip is provided with the X of bottom installation printhead to sliding shoe 5；
The Z-direction power transmission shaft 7 is driven storage bin 102 and forming bin 103 while moved round about by closed loop 10
Refer to, when Z-direction power transmission shaft 7 rotates, storage bin 102 and forming bin 103 move up and down respectively, and move distance is identical.
Above for the present invention basic embodiment, can more than on the basis of be further optimized, improve and limit：
Such as, the X drives the screw rod of its rotation to drive rail 4 for stepper motor；
Or the X drives it to be moved back and forth along X to drive rail 4 to sliding shoe 5 from stepper motor by steel wire rope；
And for example, one in two Y-direction power transmission shafts 202 is the driving shaft being connected with stepper motor, and another is driven shaft,
Two Y-direction power transmission shafts 202 form belt gear by belt between the two, and the both sides of Y-direction travelling carriage 3 are fixed with belt
Connection, makes it be moved back and forth with belt along Y-direction drive rail 201；The Z-direction power transmission shaft 7 is by its rotating of driving stepper motor；
For another example, the printhead that the X is installed to the bottom of sliding shoe 5 sprays colloid or transmitting laser, with to the scraping delivery of material scraping plate 6 into
Printing powder materials in type storehouse 103 carry out molding bonded or sinter molding；
Finally, the material scraping plate 6 includes one and the perpendicular riser 601 of Y-direction drive rail 201, and riser 601 is towards storage bin
102 side is arc, and the bottom of riser 601 is provided with the side of forming bin 103 and material stock plate 602 diagonally downward, material stock
The free end of plate 602 is that inclined-plane diagonally downward, riser 601 and the both sides of material stock plate 602 cooperatively form half with the side wall of frame 1
Material space is scraped in closing.
Claims (7)
1. a kind of worktable lifting formula 3D printer, including by supporting leg（8）The frame of support（1）, it is characterised in that：Frame（1）
Two-part dividing plate will be divided into by being inside provided with inside it（101）, and slided up and down respectively in this two parts and be provided with storage bin
（102）And forming bin（103）, storage bin（102）And forming bin（103）Form workbench, storage bin（102）And forming bin
（103）It is each attached to the closed loop of steel wire rope formation（10）On, closed loop（10）Around some directive wheels（9）Set, and
By Z-direction power transmission shaft（7）Pass through closed loop（10）Drive storage bin（102）And forming bin（103）Move round about simultaneously；
The frame（1）Top be provided with support frame（2）, support frame（2）Interior both sides are symmetrically arranged with Y-direction drive rail（201）,
In two Y-direction drive rails（201）Upper slip is provided with Y-direction travelling carriage（3）, Y-direction travelling carriage（3）Led by being arranged on Y-direction transmission
Rail（201）Two Y-direction power transmission shafts at both ends（202）By belt drive its along Y-direction drive rail（201）Move back and forth, Y
To travelling carriage（3）Bottom is provided with storage bin（102）Interior printing powder materials scraping delivery is to forming bin（103）Interior material scraping plate
（6）；Y-direction travelling carriage（3）On be provided with and Y-direction drive rail（201）Vertical X is to drive rail（4）, X is to drive rail（4）
Upper slip is provided with the X of bottom installation printhead to sliding shoe（5）.
A kind of 2. worktable lifting formula 3D printer according to claim 1, it is characterised in that：The X is to drive rail
（4）The screw rod of its rotation is driven for stepper motor.
A kind of 3. worktable lifting formula 3D printer according to claim 1, it is characterised in that：The X is to sliding shoe（5）
It is driven along X to drive rail by steel wire rope from stepper motor（4）Move back and forth.
A kind of 4. worktable lifting formula 3D printer according to claim 1, it is characterised in that：Two Y-directions transmission
Axle（202）In one be the driving shaft that is connected with stepper motor, another is driven shaft, two Y-direction power transmission shafts（202）Pass through
Belt between the two forms belt gear, and Y-direction travelling carriage（3）Both sides be fixedly connected with belt, make it with belt along Y
To drive rail（201）Move back and forth；The Z-direction power transmission shaft（7）By its rotating of driving stepper motor.
A kind of 5. worktable lifting formula 3D printer according to claim 1, it is characterised in that：The Z-direction power transmission shaft（7）
Pass through closed loop（10）Drive storage bin（102）And forming bin（103）Motion refers to round about simultaneously, is driven in Z-direction
Axle（7）During rotation, storage bin（102）And forming bin（103）Move up and down respectively, and move distance is identical.
A kind of 6. worktable lifting formula 3D printer according to claim 1, it is characterised in that：The X is to sliding shoe（5）
The printhead injection colloid or transmitting laser of bottom installation, with to material scraping plate（6）Scraping delivery is to forming bin（103）Interior printing powder
Material carries out molding bonded or sinter molding.
A kind of 7. worktable lifting formula 3D printer according to claim 1, it is characterised in that：The material scraping plate（6）Bag
Include one and Y-direction drive rail（201）Perpendicular riser（601）, riser（601）Towards storage bin（102）Side be arc,
Riser（601）Bottom be provided with forming bin（103）Side and material stock plate diagonally downward（602）, material stock plate（602）From
By holding as inclined-plane diagonally downward, riser（601）With material stock plate（602）Both sides and frame（1）Side wall cooperatively form half envelope
Close and scrape material space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710588365.4A CN107498857A (en) | 2017-07-19 | 2017-07-19 | A kind of worktable lifting formula 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710588365.4A CN107498857A (en) | 2017-07-19 | 2017-07-19 | A kind of worktable lifting formula 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107498857A true CN107498857A (en) | 2017-12-22 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710588365.4A Pending CN107498857A (en) | 2017-07-19 | 2017-07-19 | A kind of worktable lifting formula 3D printer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108437421A (en) * | 2018-03-29 | 2018-08-24 | 广德粤华塑业制品有限公司 | A kind of two dimension acrylic board shaping equipment |
| CN109551761A (en) * | 2019-01-04 | 2019-04-02 | 西安交通大学 | A kind of power spreading device and powdering method of automatically updated scraper |
| CN109652732A (en) * | 2019-02-15 | 2019-04-19 | 南通理工学院 | A kind of 3DP method nickel-base alloy hollow cylinder three-dimensional printing technique |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108437421A (en) * | 2018-03-29 | 2018-08-24 | 广德粤华塑业制品有限公司 | A kind of two dimension acrylic board shaping equipment |
| CN109551761A (en) * | 2019-01-04 | 2019-04-02 | 西安交通大学 | A kind of power spreading device and powdering method of automatically updated scraper |
| CN109551761B (en) * | 2019-01-04 | 2020-06-19 | 西安交通大学 | Powder paving device capable of automatically updating scraper and powder paving method |
| CN109652732A (en) * | 2019-02-15 | 2019-04-19 | 南通理工学院 | A kind of 3DP method nickel-base alloy hollow cylinder three-dimensional printing technique |
| CN109652732B (en) * | 2019-02-15 | 2021-06-15 | 南通理工学院 | Three-dimensional printing process for nickel-based alloy hollow cylinder by 3DP method |
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