CN108501369A - 3D printer based on fused glass pellet - Google Patents
3D printer based on fused glass pellet Download PDFInfo
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- CN108501369A CN108501369A CN201810544237.4A CN201810544237A CN108501369A CN 108501369 A CN108501369 A CN 108501369A CN 201810544237 A CN201810544237 A CN 201810544237A CN 108501369 A CN108501369 A CN 108501369A
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- Prior art keywords
- optical axis
- lead screw
- axis
- sliding block
- printer
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- 239000011521 glass Substances 0.000 title claims abstract description 14
- 239000008188 pellet Substances 0.000 title claims abstract description 14
- 230000033001 locomotion Effects 0.000 claims abstract description 23
- 238000001125 extrusion Methods 0.000 claims abstract description 22
- 230000003287 optical effect Effects 0.000 claims description 113
- 230000001360 synchronised effect Effects 0.000 claims description 97
- 239000002184 metal Substances 0.000 claims description 54
- 229910052751 metal Inorganic materials 0.000 claims description 54
- 238000010438 heat treatment Methods 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 32
- 239000007787 solid Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 2
- 238000007639 printing Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 11
- 239000002245 particle Substances 0.000 abstract description 8
- 239000002994 raw material Substances 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 229920002521 macromolecule Polymers 0.000 abstract description 4
- 238000000465 moulding Methods 0.000 abstract description 4
- 238000003756 stirring Methods 0.000 description 7
- 238000010146 3D printing Methods 0.000 description 6
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 125000000174 L-prolyl group Chemical group [H]N1C([H])([H])C([H])([H])C([H])([H])[C@@]1([H])C(*)=O 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 235000021050 feed intake Nutrition 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229920000747 poly(lactic acid) Polymers 0.000 description 1
- 239000004626 polylactic acid Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000000110 selective laser sintering Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000036413 temperature sense Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- B29C64/10—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
- B29C64/112—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
Abstract
The present invention relates to a kind of 3D printer based on fused glass pellet, the 3D printer includes extrusion device, printer support, the mechanism that moves playing surface and table top；The extrusion device is arranged on printer support, and the mechanism that moves playing surface and table top are fixed in printer support, and the mechanism that moves playing surface is connected with table top, and for controlling movement of the table top in X, Y and Z-direction, extrusion device is located above table top；Particle or powdered macromolecule raw material can be used as printing consumables in the present invention, reduce the one-step hot moulding process of process and raw material prepared by wire rod, reduce the production cost of printing consumables.
Description
Technical field
The present invention relates to the field of 3D printing equipment, and in particular to a kind of 3D printer based on fused glass pellet.
Background technology
3D printing technique is also known as increases material manufacturing technology, and forming process is using systems such as NX, Pro/E, SoliWorks, 3DMAX
Figure software carries out three-dimensional modeling, then exports to the formatted files such as STL to the product that prints of needs, reuse delamination software into
Row layering, generates GCODE files, finally GCODE files is imported into 3D printer, machine reads file automatically, by material
It is layering onto workbench, finally prints entire product；Forming technique includes mainly：Fused glass pellet
（FDM）, photocureable rapid shaping（SLA）, selective laser sintering and moulding（SLS）, layer separated growth（LOM）, 3 D-printing
Manufacture（3DP）Etc. techniques.3D printing technique can complete the manufacture of complex parts, shorten the research and development time, produce tradition and add
The unmanageable product of work mode has huge hair in fields such as medical instrument, auto industry, research and teaching, aerospaces
Exhibition foreground is known as the mark of the third time industrial revolution.
Description of materials at present for fusion sediment type 3D printing is less, and to the more demanding of material, and use is most wide
General printed material be polylactic acid and ABS, and soft material it is more difficult FDM printing in apply；FDM printers institute both domestic and external
The material of use is the wire rod of uniform diameter, and raw material is caused to have gone through one-step hot moulding before the printing, leads to height
The mechanical strength of molecular material is declined, therefore a kind of novel 3D printer of design is highly desirable, and has both reduced printing consumption
The production cost of material, and solve limitation of the FDM printers to wire rod.
Invention content
Powder is can be used the technical problem to be solved in the present invention is to provide a kind of or particle does the heavy based on melting of raw material
The molding 3D printer of product.
The 3D printer based on fused glass pellet of the present invention, including extrusion device, printer support, machine of moving playing surface
Structure and table top；The extrusion device is arranged on printer support, and the mechanism that moves playing surface and table top are fixed on printer support
Interior, the mechanism that moves playing surface is connected with table top, and for controlling movement of the table top in X, Y and Z-direction, extrusion device is located on table top
Side；
The extrusion device includes feeding equipment, barrel, screw rod, nozzle, heating device and the 4th stepper motor；Feeding equipment
Upper port is feeding mouth, and feeding equipment lower port is discharge port, and the discharge port of feeding equipment and the feeding mouth of barrel connect；Screw rod
In barrel, the discharge port of nozzle and barrel connects, and heating device is located at the outer surface of barrel, the 4th stepper motor be placed in into
Expect that the top of device, the motor shaft of the 4th stepper motor are connect with screw rod；
Screw rod is divided into feeding section, melt zone and homogenizing zone from top to bottom, is provided with spiral shell rib, shunting on the surface of screw rod from top to bottom
Shuttle and screw head, spreader and screw head are located at homogenizing zone；Spiral shell rib is located at feeding section, melt zone and part homogenizing zone；Described
Screw head is in cone, and nozzle includes the head and cylinder tail portion in cone, in the upper surface of cylindrical tail portion
Recessed to set the " v " shaped groove in section, " V " font groove is matched with conical screw head, " V " font groove with
It is equipped with gap between conical screw head and forms runner, through-hole is offered along the axial direction of nozzle in the bottom end of " V " font groove.
The printer support is the cuboid metal framework connected by metallic rod, in printer support upper surface
It is arranged in parallel with two metal beams between two metallic rods, there is interval between two metal beams, extrusion device is from two cross
Interval between beam passes vertically through, and between being fixed on two metal beams by fastener, nozzle is downward.
Particle or powder material are added from hopper, after being heated in barrel, while under the promotion of screw rod, melting
State material is squeezed out by the nozzle of extrusion device, and table top control mechanism connects table top, and table top is made to be moved in X, Y and Z-direction, is squeezed out
Molten state material on table top by a structure line, then by line structure face, become a two-dimensional pattern, and have certain thickness, table top is in Z
Axis direction declines one layer, so that the material of extrusion is successively accumulated in the Z-axis direction, is finally completed the making of article.
Preferably, the mechanism that moves playing surface include the rectangle metal frame surrounded by four metallic rods, drive it is rectangular
Screw body that shape metal frame is slided in Z-direction is arranged what the driving platform in rectangle metal frame upper surface was moved in X-direction
First motion and the second motion that the driving platform in rectangle metal frame lower surface moves in the Y direction is set；
The screw body is vertically positioned at including four lead screws, four lead screws in printer support, is installed in each lead screw
There are one nut flanges, and position height of the nut flange on four lead screws is identical, four angles of rectangle metal frame
It is separately fixed on the flange face of four nut flanges, the upper end of every lead screw is all socketed with synchronous pulley, in printer support
On be fixed with the first stepper motor, driving wheel is socketed on the motor shaft of the first stepper motor, the driving wheel passes through motor
Synchronous belt with closest to the synchronous pulley of lead screw upper end connect, the lead screw being connected with the first stepper motor motor shaft is first
Bar, other lead screws are followed successively by the second lead screw, third lead screw and the 4th lead screw, pass through between the first lead screw and the second lead screw synchronous
Belt wheel and the first lead screw synchronize band connection, are connected by synchronous pulley and the second lead screw synchronous belt between the second lead screw and third lead screw
It connects；Pass through synchronous pulley and the synchronous band connection of the second lead screw between third lead screw and the 4th lead screw；The first motion packet
Include two primary optic axis, second optical axis, two primary optic axis synchronous belts and two the first sliding blocks disposed in parallel, two
One optical axis is fixed on the upper surface of rectangle metal frame, and parallel with a line of rectangle metal frame, and the second optical axis is vertically solid
It is scheduled between two primary optic axis, is connected by the first sliding block between the both ends of the second optical axis and two primary optic axis, two
A first sliding block is slidably connected between two primary optic axis respectively, and two primary optic axis synchronous belts are parallel with the second optical axis to be set
It sets, the both ends of two primary optic axis is connected by synchronous pulley；Second stepper motor is fixed on the lower surface of rectangle metal frame,
The motor shaft of second stepper motor is parallel with primary optic axis, and the motor shaft of the second stepper motor passes through the master that is socketed on motor shaft
Driving wheel, motor synchronous belt, synchronous pulley are connect with one end of the primary optic axis closed on；Second motion includes two flat
Third optical axis, the 4th optical axis, two second optical axis synchronous belts and two the second sliding blocks of row setting, two third optical axises are solid
It is scheduled on the lower surface of rectangle metal frame, and parallel with a line of rectangle metal frame, the 4th optical axis is vertically fixed on two
Third optical axis between, and it is vertical with the second optical axis, pass through two the second sliding blocks between the 4th optical axis and two third optical axises and connect
It connects, two the second sliding blocks are slidably connected between two third optical axises respectively, and two second optical axis synchronous belts and the 4th optical axis are flat
Row setting, the both ends of two primary optic axis are connected by synchronous pulley；Third stepper motor is fixed under rectangle metal frame
The motor shaft on surface, third stepper motor is parallel with third optical axis, and the motor shaft of third stepper motor is by being socketed in motor shaft
On driving wheel, motor synchronous belt, synchronous pulley connect with one end of the third optical axis closed on；Under described two first sliding blocks
The upper surface of the second optical axis synchronous belt of surface respectively corresponding thereto is fixedly connected；The upper surface of described two second sliding blocks point
The lower surface of primary optic axis synchronous belt not corresponding thereto is fixedly connected；The structure phase of first sliding block and the second sliding block
Together；Second optical axis and the 4th optical axis are connected in square crossing position by third sliding block, third sliding block and the second optical axis and the 4th
It is slidably connected between optical axis, table top is fixed on the upper surface of third sliding block.
First stepper motor, the second stepper motor and third stepper motor adjust platform in the position of X, Y and Z-direction,
First stepper motor drives four lead screw rotations, four lead screws to drive the flange nut being socketed on each lead screw by motor synchronous belt
It is moved along lead screw, to drive rectangle metal frame to move, realizes the movement of rectangle metal frame in the Z-axis direction, and then band
Moving platform is moved in Z-direction；Two primary optic axis rotations and drive two are driven when the motor shaft rotation of the second stepper motor
Primary optic axis synchronous belt moves, and two the second sliding blocks being separately connected with two primary optic axis synchronous belts is driven to be transported along third optical axis
It is dynamic, it drives the 4th optical axis to be slided along the second optical axis direction, realizes that platform is moved along the second optical axis direction, if the second optical axis direction is
X-direction, the 4th optical axis direction are Y-direction；Two third optical axis rotations and band are driven when the motor shaft rotation of third stepper motor
Dynamic two second optical axis synchronous belts movement, drives two the first slide block movements being separately connected with two second optical axis synchronous belts,
Two the first sliding blocks drive the second optical axis to be slided between primary optic axis, realize that platform is moved along the 4th optical axis direction.
Preferably, it is opened on the third sliding block there are two mutually perpendicular through-hole, described two through-holes are respectively the
Through-hole and third sliding block lower through-hole on three sliding blocks, described two through-holes not in the same plane, the vertical range of two through-holes
Equal to the vertical range between the second optical axis and the 4th optical axis.The platform being arranged on third sliding block both can be along the second optical axis side
It can also be moved to movement along the 4th optical axis direction.
Preferably, the first slider throughbores are provided on the first sliding block, the surface of the first sliding block is also vertically and fixedly provided with and is provided with blind hole
The first fixed block, the axis of the through-hole is vertical with the axis of blind hole, and linear bearing is built-in in the first slider throughbores, setting
Friction is small when linear bearing can be such that the first sliding block is slided along third optical axis.
Preferably, it is also arranged in parallel on the surface of the first sliding block and offers the second solid of rectangular through holes there are two identical
Determine block, two rectangular through holes coaxial lines, and the axis of two rectangular through holes is parallel with the axis of the first slider throughbores.
Two free ends of every second optical axis synchronous belt are passed through from the second through-hole respectively, around being connected on the second fixed block
On；Second free end of optical axis synchronous belt two is connected together to form annular by the first sliding block；Second sliding block and the first sliding block knot
Structure is identical, and two free ends of every primary optic axis synchronous belt are passed through from the two of the second sliding block the second through-holes respectively, around being connected on
On second fixed block of the second sliding block, two free ends of primary optic axis synchronous belt are connected together to form annular by the second sliding block.
Optical axis synchronous belt is intertwined and connected with sliding block directly, uses the mode more commonly wound so that optical axis synchronous belt and cunning
Connection is easier, it is easier to realize.
Preferably, the fastener includes symmetrically arranged two clip units, and the clip unit includes clip
Mounting plate, upper snap-gauge and lower snap-gauge, upper snap-gauge and lower snap-gauge are arranged in parallel on clip mounting plate, and upper snap-gauge and lower snap-gauge are equal
It is parallel with horizontal plane, the arc-shaped notch for engaging barrel is respectively provided on upper snap-gauge and lower snap-gauge, clip mounting plate passes through spiral shell
It tethers and is connected in two metal beams.Barrel is fixed in metal beam by fastener so that barrel dismounting installation is more convenient,
And fastener has adopted the double card harden structure of upper snap-gauge and lower snap-gauge so as to connecting and fixing more securely for barrel.
Advantageous effect：
Limitation of the domestic and international FDM printers to printing wire rod can be solved, FDM printed materials must be the wire rod of uniform diameter；
And particle or powdered macromolecule raw material is used to reduce the primary heat of process and raw material prepared by wire rod as printing consumables
Forming process reduces the production cost of printing consumables；This printer arrangement is succinct simultaneously, and easy to use, production cost is low, widens
The application field of printing technique disclosure satisfy that requirement of the people to printed product.
Description of the drawings
Fig. 1 is the structural schematic diagram of extrusion device；
Fig. 2 is the dimensional structure diagram of 3D printer；
Fig. 3 is the first slide block structure figure；
Fig. 4 is third slide block structure figure；
Fig. 5 is fastener constructions figure；
Fig. 6 is the dimensional structure diagram of another angle of 3D printer
1, the 4th stepper motor；2, hopper cover；3, stirring rod；4, hopper；51, the first temperature sensor；52, second temperature senses
Device；53, third temperature sensor；6, radiator；7, insulating layer；8, screw head；9, barrel；10, nozzle；11, spreader；
121, the first heating collar；122, the second heating collar；13, screw rod；14, discharge valve；15, connecting shaft；16, first shaft coupling；17, long
Bar-shaped beam；18, second shaft coupling；19, metal beam；20, the first stepper motor；21, lead screw；211, the first lead screw；212、
Second lead screw；213, third lead screw；214, the 4th lead screw；22, the first motion；221, primary optic axis；222, the second optical axis；
223, primary optic axis synchronous belt；23, the first sliding block；231, the first slider throughbores；232, blind hole；233, rectangular through holes；234、
First fixed block；235, the second fixed block；24, the second stepper motor；25, the second motion；251, third optical axis；252,
Four optical axises；253, the second optical axis synchronous belt；26, the second sliding block；27, fastener；271, upper snap-gauge；272, clip mounting plate；
273, lower snap-gauge；274, arc-shaped notch；281, the first lead screw synchronous belt；282, the second lead screw synchronous belt；283, third lead screw is same
Walk band；29, third stepper motor；30, third sliding block；301, through-hole on third sliding block；302, third sliding block lower through-hole；31, it puts down
Platform；32, nut flange；33, rectangle metal frame；34, printer support.
Specific embodiment
A kind of 3D printer based on fused glass pellet includes：3D printer extrusion device, printer support 34, table top
Mobile mechanism and table top 31.Extrusion device is arranged on printer support 34, and the mechanism that moves playing surface and table top 31 are fixed on printing
In machine rack 34, the mechanism that moves playing surface and table top 31 connect, for controlling movement of the table top in X, Y and Z-direction, extrusion device
Above table top 31.
As shown in Figure 1,3D printer extrusion device include feeding equipment, barrel 9, screw rod 13, nozzle 10, heating device,
4th stepper motor 1 and radiator 6, feeding equipment upper port are feeding mouth, and feeding equipment lower port is discharge port, charging dress
The discharge port set is connect with the feeding mouth of barrel 9；Screw rod 13 is located in barrel 9, and nozzle 10 is connect with the discharge port of barrel, heating
Device is located at the outer surface of barrel 9, and the 4th stepper motor 1 is placed in the top of feeding equipment, the motor shaft of the 4th stepper motor 1 with
Screw rod 13 connects；
Spiral shell rib 13, spreader 11 and screw head 8 are provided on the surface of screw rod from top to bottom, the spreader 11 is peg type
Spreader 11, the screw head 8 is in cone, and nozzle 10 includes the head and cylinder tail portion in cone, in circle
The " v " shaped groove in section, " V " font groove and conical screw head 8 is arranged in the upper surface indent of cylindricality tail portion
It matches, gap is equipped between " V " font groove and conical screw head 8 and forms runner, on the bottom end edge of " V " font groove
The axial direction of nozzle offers through-hole.
As shown in Figure 1, the feeding equipment includes hopper 4, hopper cover 2, stirring rod 3 and connecting shaft 15；Hopper 4 is upper
Small funnel shaped under big is provided with hopper cover 2 on the hopper 4, and hopper cover 2 includes fixed part and movable part, material
Two parts of bucket cover 2 are hinged by leaf of hinge, the fixed part of hopper cover 2 and 4 hasp connection of hopper, need to feed intake when
It waits, the movable part that can open hopper cover 2 puts into 3D printing material into hopper 4, and particle or powder can be selected in 3D printing material
Last shape high molecular material；It is provided with elongated cross member 17 on the fixed part of hopper cover 2, the 4th stepper motor is fixed on crossbeam
1, through-hole is offered on the fixed part and elongated cross member 17 of hopper cover 2, and the shaft of the 4th stepper motor 1 is worn from through-hole
It crosses, the shaft of the 4th stepper motor 1 sequentially passes through the fixed part of elongated cross member 17 and hopper cover 2 and extend into from top to bottom
In hopper 4,1 motor shaft of the 4th stepper motor is connected by first shaft coupling 16 with 15 one end of connecting shaft, connecting shaft 15 it is another
End is connected with screw rod by second shaft coupling 18；For the setting of stirring rod 3 on 18 surface of second shaft coupling, the stirring rod 3 is arc
The line of shape stirring rod, arc stirring rod two-end-point is vertical with the axis of second shaft coupling 18.Close to discharge port on hopper
Position is provided with discharge valve 14, can be by discharge valve when also having surplus material after 3D printer is stopped, in feeding equipment
14 open, and clout is recycled, and reduce waste.
Particle or powdered macromolecule material are added from hopper 4, and stirring rod 3 is driven indirectly by the 4th stepper motor 1
Rotation, and then the batch mixing of raw material is completed, while plastic grain will not get lodged in 4 bottom end of hopper, arch formation occur, and then realize equal
Even feeds to barrel 9.
Screw rod 13 is plasticizing, conveys the essential elements of material, according to the change of three kind physical state of the material in barrel
Change process and job requirement to 13 each position of screw rod, are usually divided into feeding section, also known as solid is defeated from top to bottom by screw rod 13
Send section；Melt zone, also known as compression section；Homogenizing zone, also known as metering section.Spreader 11 and screw head 8 are located at homogenizing zone；13, spiral shell rib
In feeding section, melt zone and part homogenizing zone；The material particles not being plasticized can be adequately plasticized by spreader 11, be ensured
Plastics are completely in molten state.
Radiator 6 is metal sleeve, is socketed in the surface of barrel 9, and the region that barrel 9 is socketed radiator 6 is barrel 9
Radiating area, be vertically installed with multiple sheet metals in metal sleeve outer surface, be mutually parallel between sheet metal, have between sheet metal
Certain space, convenient for heat dissipation, the position of radiator 6 is corresponding with the feeding section region of screw rod 13, in feeding section region
Material radiates, and the heat that can be effectively prevented in barrel 9 is further transferred in hopper 4, and generates arch formation.
Heating device includes temperature sensor, temperature controller, heating collar and insulating layer 7；The outer surface of barrel 9 offers
Screw hole, temperature sensor are pressed into screw hole, are in close contact with barrel 9, and temperature sensor is electrically connected with temperature controller, and temperature passes
Sensor includes the first temperature sensor 51, second temperature sensor 52 and third temperature sensor 53, the first temperature sensor 51
The region at place is corresponding with 6 region of radiator, the state of temperature for detecting and reflecting radiating area barrel 9, barrel 9
Outer surface is socketed with the first heating collar 121 and the second heating collar 122, is the first heating zone and the second heating zone of barrel 9 respectively,
First heating zone of barrel 9 is corresponding with the melt zone region of screw rod 13, the second heating zone of barrel 9 and the homogenizing zone area of screw rod 13
Domain corresponds to, and the region where second temperature sensor 52 is corresponding with 121 region of the first heating collar, for detecting and reflecting material
The state of temperature of 9 first heating zones of cylinder, the region where third temperature sensor 53 and 122 region pair of the second heating collar
It answers, the state of temperature for detecting and reflecting 9 second heating zone of barrel.Heating generally has resistance heating and inductive heating, inductance
Heating effect is good, but of high cost, and resistance heating is selected in present embodiment, and the heating collar used is resistance heating circle.It is heating
Circle is outer to be provided with insulating layer 7, and for insulating layer 7 with uniform fold on heating collar and barrel 9, the region that insulating layer 7 covers corresponds to spiral shell
Insulating layer 7 is arranged outside heating collar, can greatly reduce the consume of energy for the melt zone of bar 13 and homogenizing zone region, right
Operating personnel are also safer.
The material that extrusion device is added can be particle or powdered macromolecule raw material, and barrel 9 is entered from hopper 4
In, screw rod 13 generates torque in the interior rotation of barrel 9, rotation, and material is conveyed down vertically, material is made to be under pressure and obtain
Heat is socketed with radiator 6 outside the feeding section of screw rod 13, barrel 9, can accelerate to radiate, and effectively prevent in barrel 9
Heat is further transferred in hopper 4, and generates arch formation, and material is in melt zone and homogenizing zone, due to heating collar and spiral shell
The plastics of the presence of rib shear heat, glassy state are gradually plasticized, and become molten state, later, in the high shear of spreader 11
Under, the high molecular material not being plasticized is adequately plasticized, and finally under the guiding of screw head 8, is squeezed out from nozzle 10.
It is arranged in parallel with two metal beams 19 between two metallic rods, has interval between two metal beams 19, squeezes out
Device is passed vertically through from the interval between two crossbeams 19, between being fixed on two metal beams 19 by fastener 27, nozzle
10 downward；As shown in figure 5, fastener 27 includes symmetrically arranged two clip units, the clip unit includes clip peace
Loading board 272, upper snap-gauge 271 and lower snap-gauge 273, upper snap-gauge 271 and lower snap-gauge 273 are arranged in parallel on clip mounting plate 272,
Upper snap-gauge 271 and lower snap-gauge 273 are parallel with horizontal plane, are respectively provided on upper snap-gauge 271 and lower snap-gauge 273 for engaging barrel
9 arc-shaped notch 274, clip mounting plate 272 are bolted in two metal beams 19.
As shown in Figure 2 and Figure 6, the screw body is vertically positioned at printer including four lead screws, 21, four lead screws 21
In rack 34, it is fitted with a nut flange 32 in each lead screw 21, the nut flange 32 is on four lead screws 21
Position height is identical, and four angles of rectangle metal frame 33 are separately fixed on the flange face of four nut flanges 32, every silk
The upper end of bar 21 is all socketed with synchronous pulley, and the first stepper motor 20, the first stepper motor are fixed on printer support 34
Be socketed with driving wheel on 20 motor shaft, the driving wheel by motor synchronous belt with closest to 21 upper end of lead screw it is synchronous
Belt wheel connects, and the lead screw being connected with 20 motor shaft of the first stepper motor is the first lead screw 211, and other lead screws are followed successively by second
Bar 212, third lead screw 213 and the 4th lead screw 214, there are two synchronous pulley, third lead screws for the upper end socket of the second lead screw 212
213 upper end socket is there are two synchronous pulley, and there are one synchronous pulley, the first lead screws 211 and second for socket on the 4th lead screw 214
Connected by synchronous pulley and the first lead screw synchronous belt 281 between lead screw 212, the second lead screw lead screw 212 and third lead screw 213 it
Between pass through synchronous pulley and the second lead screw synchronous belt 282 connection；Pass through synchronous belt between third lead screw 213 and the 4th lead screw 214
Wheel and the connection of the second lead screw synchronous belt 282；When first stepper motor 20 rotates, synchronized by driving wheel, the motor on motor shaft
Band, the multiple synchronous pulleys and synchronous belt being arranged on lead screw, drive four lead screws 21 to rotate, and four lead screws 21 drive each lead screw
The flange nut 32 of upper socket is moved along lead screw, to drive rectangle metal frame 33 to move, realizes rectangle metal frame 33 in Z
Movement in axis direction.
The first motion 22 that driving platform 31 is moved in X-direction is arranged in parallel including the first stepper motor 20, two
Primary optic axis 221, second optical axises, 222, two primary optic axis synchronous belts 223 and two the first sliding blocks 23, two first
Optical axis 221 is fixed on the upper surface of rectangle metal frame 33, and parallel with a line of rectangle metal frame, the second optical axis 222
It is vertically fixed between two primary optic axis 221, passes through between the both ends of the second optical axis 222 and two primary optic axis 221
First sliding block 23 connects, and is provided with the first slider throughbores 231 on the first sliding block 23, the surface of the first sliding block 23 is also vertically and fixedly provided with out
There is the first fixed block 234 of blind hole 232, the axis of first slider throughbores 231 is vertical with the axis of blind hole 232, and first slides
Linear bearing, frictional force smaller when the first sliding block 23 is slided along primary optic axis 221, the second stepping electricity are built-in in block through-hole 231
Machine 24 is fixed on the lower surface of rectangle metal frame 33, and the motor shaft of the second stepper motor 24 is parallel with primary optic axis 221, and second
It is socketed with driving wheel on the motor shaft of stepper motor 24, there are two same for the adjacent end socket of the primary optic axis 221 mutually closed on it
Belt wheel is walked, there are one synchronous pulleys for other end socket, and the both ends of another primary optic axis 221 are respectively sleeved on a synchronous belt
Wheel, the second stepper motor 24 by driving wheel, motor synchronous belt, synchronous pulley with closest to primary optic axis 221 connect, two
Primary optic axis synchronous belt 223 is arranged in parallel with the second optical axis 222, and two primary optic axis synchronous belts 223 are connected by synchronous pulley
The both ends of two primary optic axis 221；
The second motion 25 for moving in the Y direction of driving platform 31 includes two third optical axises disposed in parallel 251, one pieces the
Four the second optical axis synchronous belts 253 of 252, two, optical axis and two the second sliding blocks 26, two third optical axises 251 are fixed on rectangle gold
Belong to the lower surface of frame 33, and parallel with a line of rectangle metal frame, the 4th optical axis 252 is vertically fixed on two third light
Between axis 251, and it is vertical with the second optical axis 222, it is slided by two second between the 4th optical axis 252 and two third optical axises 251
Block 26 connects, and two the second sliding blocks 26 are slidably connected between two third optical axises 251 respectively, and second is provided on the second sliding block 26
Slider throughbores and the second sliding block blind hole vertical with the through-hole are built-in with linear bearing, the second stepping in the second slider throughbores
Motor 24 is fixed on the lower surface of rectangle metal frame 33, and the motor shaft of third stepper motor 29 is parallel with third optical axis 251, the
It is socketed with driving wheel on the motor shaft of three stepper motors 29, there are two the adjacent end sockets of the third optical axis 251 mutually closed on it
Synchronous pulley, there are one synchronous pulleys for other end socket, and the both ends of another third optical axis 251 are respectively sleeved on a synchronous belt
Wheel, third stepper motor 29 by driving wheel, motor synchronous belt, synchronous pulley with closest to third optical axis 251 connect one
End connection, two second optical axis synchronous belts 253 are arranged in parallel with the 4th optical axis 252, and two second optical axis synchronous belts 253 are by same
Walk the both ends that belt wheel connects two third optical axises 251.
First sliding block 23 is identical as the structure of the second sliding block 26；First sliding block 23 is rectangle structure, in the first sliding block 23
Surface be also arranged in parallel there are two identical the second fixed block 235 for offering rectangular through holes 233, two rectangular through holes
233 coaxial lines, and the axis of two rectangular through holes 233 is parallel with the axis of the first slider throughbores 231.Every second optical axis is same
Two free ends of step band are passed through from rectangular through holes 233 respectively, around being connected on the second fixed block 235；Second optical axis synchronizes
253 two free ends of band are connected together to form annular by the first sliding block 23.
Second sliding block 26 is identical as 23 structure of the first sliding block, and the second slider throughbores, the second sliding block are provided on the second sliding block 26
26 surface is also vertically and fixedly provided with the first fixed block for being provided with blind hole, and the axis of first slider throughbores and the axis of blind hole hang down
Directly, the second sliding block 26 be rectangle structure, the surface of the first sliding block 26 be also arranged in parallel there are two it is identical offer it is rectangular
The axis and the second sliding block 26 of second fixed block of shape through-hole, two rectangular through holes coaxial lines, and two rectangular through holes are logical
The axis in hole is parallel.It is worn respectively from the two of the second sliding block rectangular through holes two free ends of every primary optic axis synchronous belt
It crosses, around being connected on the second fixed block of the second sliding block, 223 two free ends of primary optic axis synchronous belt are connected on one by the second sliding block
It rises and forms annular.
The connection type of first sliding block 23 and the second optical axis synchronous belt 253 can also be used：The following table of two the first sliding blocks 23
Face is fixedly connected with the upper surface of the second optical axis synchronous belt 253 corresponding thereto respectively, and the second optical axis synchronous belt 253 is annular
Synchronous belt；The connection type of second sliding block 26 and primary optic axis synchronous belt 223 can also be used：The upper surface of two the second sliding blocks 26
It is fixedly connected respectively with the lower surface of primary optic axis synchronous belt 223 corresponding thereto；
Second optical axis 222 and the 4th optical axis 252 are connected in square crossing position by third sliding block 30, third sliding block 30 and second
It is slidably connected between optical axis 222 and the 4th optical axis 252, table top 31 is fixed on the upper surface of third sliding block 30.Third sliding block 30
On open there are two mutually perpendicular through-hole, described two through-holes are respectively to lead under through-hole 301 and third sliding block on third sliding block
Hole 302, not in the same plane, the vertical range of two through-holes is equal to the second optical axis 222 and the 4th light to described two through-holes
Vertical range between axis 252.
Two rotations of primary optic axis 221 are driven when the motor shaft rotation of the second stepper motor 24 and drive two primary optic axis
Synchronous belt 223 moves, and two the second sliding blocks 26 being separately connected with two primary optic axis synchronous belts 223 is driven to be transported along third optical axis
It is dynamic, it drives the 4th optical axis 252 to be slided along the second optical axis direction, realizes that platform 31 is moved along 222 direction of the second optical axis；Third stepping
Two rotations of third optical axis 251 are driven when the motor shaft rotation of motor 29 and drive two second optical axis synchronous belt 253 movements, band
Dynamic two the first sliding blocks 23 being separately connected with two second optical axis synchronous belts 253 move, and two the first sliding blocks 23 drive second
Optical axis 222 slides between primary optic axis 221, realizes that platform 31 is moved along 252 direction of the 4th optical axis；
First stepper motor 20, the second stepper motor 24 and third stepper motor 29 adjust platform 31 in the position of X, Y and Z-direction
It sets, the 4th stepper motor 1 controls the rotating speed of screw rod 13 in extrusion device, and with the speed of control discharging, heating collar makes barrel keep
In set temperature, table top 31 is driven by the first stepper motor 20 and the second stepper motor 24 and is moved in X and Y direction, and spray is made
The first 10 molten state materials squeezed out become a two-dimensional pattern, and have certain thickness, with silk by a structure line, then by line structure face
The rotation of bar 21, table top 31 decline one layer in Z-direction, and the plastics of extrusion are successively accumulated, and the printing of 3D articles is finally completed.
Claims (7)
1. the 3D printer based on fused glass pellet, it is characterised in that：The 3D printer includes extrusion device, printer
Rack（34）, the mechanism that moves playing surface and table top（31）；
The extrusion device is arranged in printer support（34）On, the mechanism that moves playing surface and table top（31）It is fixed on printer machine
Frame（34）It is interior, the mechanism that moves playing surface and table top（31）Connection, for controlling movement of the table top in X, Y and Z-direction, extrusion device
Positioned at table top（31）Top；
The extrusion device includes feeding equipment, barrel（9）, screw rod（13）, nozzle（10）, heating device and the 4th stepping electricity
Machine（1）；Feeding equipment upper port is feeding mouth, and feeding equipment lower port is discharge port, the discharge port and barrel of feeding equipment（9）
Feeding mouth connection；Screw rod（13）Positioned at barrel（9）It is interior, nozzle（10）It is connect with the discharge port of barrel, heating device is located at material
Cylinder（9）Outer surface, the 4th stepper motor（1）It is placed in the top of feeding equipment, the 4th stepper motor（1）Motor shaft and screw rod
（13）Connection；
Screw rod（13）It is divided into feeding section, melt zone and homogenizing zone, screw rod from top to bottom（13）Surface on be provided with from top to bottom
Spiral shell rib (13), spreader（11）And screw head（8）, spreader（11）And screw head（8）Positioned at homogenizing zone；Spiral shell rib (13), which is located at, to be added
Expect section, melt zone and part homogenizing zone；The screw head（8）In cone, nozzle（10）Include in cone head and
The " v " shaped groove in section, described " V " font is arranged in the upper surface indent of cylindrical tail portion in cylinder tail portion
Groove and conical screw head（8）It matches, " V " font groove and conical screw head（8）Between be equipped with and gap and form stream
Road offers through-hole in the bottom end of " V " font groove along the axial direction of nozzle；
The printer support（34）It is the cuboid metal framework connected by metallic rod, printer support（34）Upper surface
In two metallic rods between be arranged in parallel with two metal beams（19）, two metal beams（19）Between have interval, squeeze out
Device is from two crossbeams（19）Between interval pass vertically through, pass through fastener（27）It is fixed on two metal beams（19）It
Between, nozzle（10）Downward.
2. the 3D printer according to claim 1 based on fused glass pellet, it is characterised in that：Described moves playing surface
Mechanism includes the rectangle metal frame surrounded by four metallic rods（33）, drive rectangle metal frame（33）In Z-direction sliding
Screw body is arranged in rectangle metal frame（33）The driving platform of upper surface（31）In the first motion of X-direction movement
（22）With setting in rectangle metal frame（33）The driving platform of lower surface（31）The second motion moved in the Y direction；
The screw body includes four lead screws（21）, four pieces lead screws（21）It is vertically positioned at printer support（34）It is interior, every
A lead screw（21）It is fitted with a nut flange（32）, the nut flange（32）In four lead screws（21）On position it is high
Spend identical, rectangle metal frame（33）Four angles be separately fixed at four nut flanges（32）Flange face on, every lead screw
（21）Upper end be all socketed with synchronous pulley, in printer support（34）On be fixed with the first stepper motor（20）, the first stepping
Motor（20）Motor shaft on be socketed with driving wheel, the driving wheel by motor synchronous belt with closest to lead screw（21）On
The synchronous pulley at end connects, with the first stepper motor（20）The connected lead screw of motor shaft is the first lead screw（211）, other lead screws
It is followed successively by the second lead screw（212）, third lead screw（213）With the 4th lead screw（214）, the first lead screw（211）With the second lead screw（212）
Between pass through synchronous pulley and the first lead screw synchronous belt（281）Connection, the second lead screw（212）With third lead screw（213）Between lead to
Cross synchronous pulley and the second lead screw synchronous belt（282）Connection；Third lead screw（213）With the 4th lead screw（214）Between pass through synchronization
Belt wheel and the second lead screw synchronous belt（282）Connection；
First motion（22）Including two primary optic axis disposed in parallel（221）, second optical axis（222）, two
Root primary optic axis synchronous belt（223）With two the first sliding blocks（23）, two primary optic axis（221）It is fixed on rectangle metal frame
（33）Upper surface, and, second optical axis parallel with a line of rectangle metal frame（222）It is vertically fixed on two first light
Axis（221）Between, the second optical axis（222）Both ends and two primary optic axis（221）Between pass through the first sliding block（23）Connection,
Two the first sliding blocks（23）Respectively with two primary optic axis（221）Between be slidably connected, two primary optic axis synchronous belts（223）With
Second optical axis（222）It is arranged in parallel, two primary optic axis is connected by synchronous pulley（221）Both ends；Second stepper motor
（24）It is fixed on rectangle metal frame（33）Lower surface, the motor shaft of the second stepper motor (24) is flat with primary optic axis (221)
Row, the second stepper motor（24）Motor shaft by the driving wheel, motor synchronous belt, synchronous pulley that are socketed on motor shaft with face
Close primary optic axis（221）One end connection；
Second motion（25）Including two third optical axises disposed in parallel（251）, the 4th optical axis（252）, two
Root the second optical axis synchronous belt（253）With two the second sliding blocks（26）, two third optical axises（251）It is fixed on rectangle metal frame
（33）Lower surface, and, fourth optical axis parallel with a line of rectangle metal frame（252）It is vertically fixed on two third light
Axis（251）Between, and with the second optical axis（222）Vertically, the 4th optical axis（252）With two third optical axises（251）Between pass through two
A second sliding block（26）Connection, two the second sliding blocks（26）Respectively with two third optical axises（251）Between be slidably connected, two
Two optical axis synchronous belts（253）With the 4th optical axis（222）It is arranged in parallel, two primary optic axis is connected by synchronous pulley（221）'s
Both ends；Third stepper motor（29）It is fixed on rectangle metal frame（33）Lower surface, the motor shaft of third stepper motor (29)
It is parallel with third optical axis (251), third stepper motor（29）Motor shaft it is same by driving wheel, the motor being socketed on motor shaft
Step band, synchronous pulley and the third optical axis closed on（251）One end connection；
Described two first sliding blocks（23）Lower surface the second optical axis synchronous belt corresponding thereto respectively（253）Upper surface it is solid
Fixed connection；Described two second sliding blocks（26）Upper surface primary optic axis synchronous belt corresponding thereto respectively（223）Following table
Face is fixedly connected；First sliding block（23）With the second sliding block（26）Structure it is identical；
Second optical axis（222）With the 4th optical axis（252）Pass through third sliding block in square crossing position（30）Connection, third sliding block
（30）With the second optical axis（222）With the 4th optical axis（252）Between be slidably connected, table top（31）It is fixed on third sliding block（30）'s
Upper surface.
3. the 3D printer according to claim 2 based on fused glass pellet, it is characterised in that：The third sliding block
（30）On open there are two mutually perpendicular through-hole, described two through-holes are respectively through-hole on third sliding block（301）It is slided with third
Block lower through-hole（302）, not in the same plane, the vertical range of two through-holes is equal to the second optical axis for two through-holes
（222）With the 4th optical axis（252）Between vertical range.
4. the 3D printer according to claim 2 based on fused glass pellet, it is characterised in that：First sliding block
（23）On be provided with the first slider throughbores（231）, the first sliding block（23）Surface be also vertically and fixedly provided with and be provided with blind hole（232）First
Fixed block（234）, first slider throughbores（231）Axis and blind hole（232）Axis it is vertical.
5. the 3D printer according to claim 4 based on fused glass pellet, it is characterised in that：First slider throughbores
（231）In be built-in with linear bearing.
6. the 3D printer according to claim 4 based on fused glass pellet, it is characterised in that：In the first sliding block（23）
Surface be also arranged in parallel and offer rectangular through holes there are two identical（233）The second fixed block（235）, two rectangles
Through-hole（233）Coaxial line, and two rectangular through holes（233）Axis and the first slider throughbores（231）Axis it is parallel.
7. the 3D printer according to claim 1 based on fused glass pellet, it is characterised in that：The fastener
（27）Including symmetrically arranged two clip units, the clip unit includes clip mounting plate（272）, upper snap-gauge（271）
With lower snap-gauge（273）, upper snap-gauge（271）With lower snap-gauge（273）It is arranged in parallel in clip mounting plate（272）On, upper snap-gauge
（271）With lower snap-gauge（273）It is parallel with horizontal plane, in upper snap-gauge（271）With lower snap-gauge（273）On be respectively provided with for engage material
Cylinder（9）Arc-shaped notch（274）, clip mounting plate（272）It is bolted in two metal beams（19）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810544237.4A CN108501369A (en) | 2018-05-31 | 2018-05-31 | 3D printer based on fused glass pellet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810544237.4A CN108501369A (en) | 2018-05-31 | 2018-05-31 | 3D printer based on fused glass pellet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108501369A true CN108501369A (en) | 2018-09-07 |
Family
ID=63402091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810544237.4A Pending CN108501369A (en) | 2018-05-31 | 2018-05-31 | 3D printer based on fused glass pellet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108501369A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110193938A (en) * | 2019-04-30 | 2019-09-03 | 深圳市裕同包装科技股份有限公司 | A kind of 3D specialty printing device and printing process |
| CN110421837A (en) * | 2019-08-05 | 2019-11-08 | 华育昌(肇庆)智能科技研究有限公司 | Double-colored 3D printer |
| CN110726429A (en) * | 2019-10-28 | 2020-01-24 | 西安应用光学研究所 | Integrated device and method for adjusting and manufacturing parallelism of optical axes of airborne photoelectric multi-sensor |
| CN111014678A (en) * | 2020-01-10 | 2020-04-17 | 江苏铭亚科技有限公司 | 3D prints metal equipment with metal powder inert gas |
| CN113119461A (en) * | 2021-04-25 | 2021-07-16 | 南京工业职业技术大学 | 3D printing device capable of adjusting air pressure |
| CN113878130A (en) * | 2021-09-18 | 2022-01-04 | 上海航天设备制造总厂有限公司 | Light-weight multi-degree-of-freedom metal deposition material increase device |
| CN115007876A (en) * | 2022-06-27 | 2022-09-06 | 重庆三峡学院 | Metal paste screw extrusion 3D printer |
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| CN206106391U (en) * | 2016-10-20 | 2017-04-19 | 山东科技大学 | FDM type 3D printer conical screw extrusion device |
| CN207415995U (en) * | 2017-11-15 | 2018-05-29 | 东北林业大学 | A kind of wood moulding squeezes out 3D printer |
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| CN104162992A (en) * | 2014-09-09 | 2014-11-26 | 中国重汽集团济南动力有限公司 | 3D printer using industrial raw material |
| CN206106391U (en) * | 2016-10-20 | 2017-04-19 | 山东科技大学 | FDM type 3D printer conical screw extrusion device |
| CN207415995U (en) * | 2017-11-15 | 2018-05-29 | 东北林业大学 | A kind of wood moulding squeezes out 3D printer |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110193938A (en) * | 2019-04-30 | 2019-09-03 | 深圳市裕同包装科技股份有限公司 | A kind of 3D specialty printing device and printing process |
| CN110421837A (en) * | 2019-08-05 | 2019-11-08 | 华育昌(肇庆)智能科技研究有限公司 | Double-colored 3D printer |
| CN110726429A (en) * | 2019-10-28 | 2020-01-24 | 西安应用光学研究所 | Integrated device and method for adjusting and manufacturing parallelism of optical axes of airborne photoelectric multi-sensor |
| CN110726429B (en) * | 2019-10-28 | 2022-04-05 | 西安应用光学研究所 | Integrated device and method for adjusting and manufacturing parallelism of optical axes of airborne photoelectric multi-sensor |
| CN111014678A (en) * | 2020-01-10 | 2020-04-17 | 江苏铭亚科技有限公司 | 3D prints metal equipment with metal powder inert gas |
| CN111014678B (en) * | 2020-01-10 | 2021-11-19 | 江苏铭亚科技有限公司 | 3D prints metal equipment with metal powder inert gas |
| CN113119461A (en) * | 2021-04-25 | 2021-07-16 | 南京工业职业技术大学 | 3D printing device capable of adjusting air pressure |
| CN113119461B (en) * | 2021-04-25 | 2023-07-18 | 南京工业职业技术大学 | 3D printing device of adjustable atmospheric pressure |
| CN113878130A (en) * | 2021-09-18 | 2022-01-04 | 上海航天设备制造总厂有限公司 | Light-weight multi-degree-of-freedom metal deposition material increase device |
| CN115007876A (en) * | 2022-06-27 | 2022-09-06 | 重庆三峡学院 | Metal paste screw extrusion 3D printer |
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