CN109986774A - A kind of 3D printer - Google Patents
A kind of 3D printer Download PDFInfo
- Publication number
- CN109986774A CN109986774A CN201910340730.9A CN201910340730A CN109986774A CN 109986774 A CN109986774 A CN 109986774A CN 201910340730 A CN201910340730 A CN 201910340730A CN 109986774 A CN109986774 A CN 109986774A
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- CN
- China
- Prior art keywords
- vertical rod
- agitator
- stirring
- heat
- guide rail
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000007639 printing Methods 0.000 claims abstract description 33
- 230000003028 elevating effect Effects 0.000 claims abstract description 22
- 238000003756 stirring Methods 0.000 claims description 66
- 239000007788 liquid Substances 0.000 claims description 28
- 238000002156 mixing Methods 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 22
- 239000002994 raw material Substances 0.000 claims description 20
- 238000003860 storage Methods 0.000 claims description 20
- 239000000155 melt Substances 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims 1
- 239000007921 spray Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 239000011344 liquid material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
-
- 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
- B29C64/205—Means for applying layers
-
- 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
- B29C64/295—Heating elements
-
- 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
- B29C64/314—Preparation
-
- 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
Abstract
The 3D printer that the present invention designs, including rack and the workbench being arranged on the rack, the front and rear sides of worktable upper surface are equipped with guide rail, respectively setting can be along the elevating lever that guide rail horizontally slips on two guide rails, elevating lever is arranged on fixed block, fixed block is mounted in guide rail, the top of two elevating levers is connected by a crossbeam, the middle position of crossbeam passes downwardly through a vertical rod connection printing head component, it is a round sliding sleeve at the top of vertical rod, vertical rod is covered by the circle sliding sleeve to be moved forward and backward on crossbeam, the vertical rod is telescopic rod, vertical rod bottom is bolted to connection printing head component, pass through guide rail in this way, elevating lever, the spray printing on three-dimensional can be realized in the cooperation of round sliding sleeve, compared to traditional X-axis, Y-axis, the multi-shaft interlocked structure of Z axis is more simple.
Description
Technical field
The present invention relates to field of machining, and in particular to a kind of 3D printer.
Background technique
Rapid shaping technique is also known as rapid prototyping manufacturing, RPM technology, is born in the late 1980s, is based on material
A kind of high-new manufacturing technology of material heap area method, it is considered to be a great achievement of manufacturing field in the past 20 years, it collects mechanic
Journey, CAD, reverse Engineering Technology, Layered Manufacturing Technology, Numeric Control Technology, material science, laser technology, can be automatic, straight
It connects, design philosophy is quickly and accurately changed into prototype or direct manufacturing parts with certain function, to be part prototype
Production, the verification of new design philosophy etc. provide a kind of realization rate of high efficiency, low cost, and rapid prototyping technology is exactly benefit
With the data of three-dimensional CAD, by rapidform machine, by material stacking from level to level at physical prototypes, 3D printing technique is a system
The general designation of column rapid prototyping forming technique, basic principle are all layered manufacturings, by rapid prototyping machine by sweeping in X-Y plane
It retouches form and forms the cross sectional shape of workpiece, and discontinuously make the displacement of slice thickness in Z coordinate, ultimately form three dimensional articles, mesh
Preceding rapid shaping technique in the market is divided into 3DP technology, FDM melt-laminated molding technology, SLA stereolithography techniques, SLS
Precinct laser sintering, DLP laser forming technology and UV UV molding technology etc.；However, in some cases, printer is being beaten
During print due to raw material be heated it is unreasonable, it will usually there is poor fluidity or mobility be uncontrolled, for a long time print
The speed of discharging and the stability of heating proportion will appear large error, thus occur in print procedure blocking printing head or
The problem of person's fracture, causes printer to discharge unstable, seriously affects the quality of printed product..
Summary of the invention
The present invention is intended to provide a kind of 3D printer.
To realize the above-mentioned technical purpose, the present invention uses following technical scheme, and a kind of 3D printer, 3D printer includes machine
Frame and the workbench being arranged on the rack, the front and rear sides of worktable upper surface are equipped with guide rail, and being respectively arranged on two guide rails can edge
The elevating lever that guide rail horizontally slips, elevating lever are arranged on fixed block, and fixed block is mounted in guide rail, the top of two elevating levers
It is connected by a crossbeam, the middle position of crossbeam passes downwardly through a vertical rod connection printing head component, vertical rod
Top is a round sliding sleeve, and vertical rod is covered by the circle sliding sleeve to be moved forward and backward on crossbeam, and the vertical rod is flexible
Bar, vertical rod bottom are bolted to connection printing head component, and printing head component includes material conveying platform and nozzle, described
Material conveying platform specifically includes storage tank, blending tank and heat and melts chamber, and storage tank is equipped with several for storing different solids respectively
Powder raw material, storage tank melt chamber by heat and connect blending tank, and storage tank melts chamber junction i.e. storing pot bottom equipped with heat-insulated with heat
Device, heat melt intracavitary setting heating device and filter device, are respectively equipped with agitator and stirring cup inside blending tank, agitator
Bottom is back taper, accepts the stirring that heat melts the liquid of chamber outflow and the liquid tentatively stirred by agitator is delivered to lower section
Cup, agitator is interior to be equipped with several stirring sheets, and stirring sheet is located on agitator inner wall and forms the folder less than 45 ° with agitator inner wall
Angle, stirring sheet are staggered from top to bottom, and the stirring cup includes cup body, and bottom of cup is attemperator, are equipped in the middle part of cup body
Agitating shaft stirs axial both sides and extends to form stirring blade, and the side of cup body is equipped with liquid outlet and connects nozzle, pipe by pipeline
Road is equipped with solenoid valve, and the lower section of nozzle, the upper surface of workbench are equipped with rotary-tray, and rotary-tray both sides of the edge upper surface is set
There is transparent baffle, which forms air duct, and air duct connects blower, if being equipped with from top to bottom on the inside of transparent baffle
The air outlet of dry adjustable-angle, air outlet connect air duct inside transparent baffle, and air outlet is flat gap.
Preferably, the angle of the stirring sheet and agitator inner wall is 30 ° -45 °.
Preferably, the stirring sheet is equipped with four.
Preferably, the surface of the stirring blade forms several protrusions.
The 3D printer that the present invention designs, including rack and the workbench that is arranged on the rack, before worktable upper surface
Two sides are equipped with guide rail afterwards, and being respectively arranged on two guide rails can be arranged on fixed block along the elevating lever that guide rail horizontally slips, elevating lever,
Fixed block is mounted in guide rail, and the top of two elevating levers is connected by a crossbeam, and the middle position of crossbeam leads to downwards
A vertical rod connection printing head component is crossed, is a round sliding sleeve at the top of vertical rod, vertical rod is covered by the circle sliding sleeve
It being moved forward and backward on crossbeam, the vertical rod is telescopic rod, and vertical rod bottom is bolted to connection printing head component,
The spray printing on three-dimensional can be realized by the cooperation of guide rail, elevating lever, round sliding sleeve in this way, compared to traditional X-axis, Y
Axis, the multi-shaft interlocked structure of Z axis are more simple；Printing head component includes material conveying platform and nozzle, and the material conveying platform is specific
Melt chamber including storage tank, blending tank and heat, storage tank is equipped with several for storing different solid, powdery raw materials, storing respectively
Tank melts chamber by heat and connects blending tank, and storage tank and heat melt chamber junction i.e. storing pot bottom equipped with heat-proof device, and heat is melted intracavitary
Heating device and filter device are set, melt chamber by the way that heat is arranged, on the one hand printing raw material can be melted, increase its stream
Dynamic property, in order to which it is sprayed from discharge end, on the other hand, heat melts chamber with certain volume, additionally it is possible to the printing former material of liquid
Material is temporarily stored, and maintains heat to melt the amount of intracavitary printing raw material, so as to be effectively relieved in print procedure due to feed
Occur the phenomenon that fracture not in time, by setting heat-proof device, material can be made not soften before reaching heat and melting chamber, from
And high temperature, which can be effectively relieved, makes the problem of printing raw material softening, therefore, printing raw material softening can effectively be avoided to cause
Its extruding force reduce, and be easy to appear fracture, blocking the problem of, and can effectively improve printing shaping efficiency and molding matter
Amount, filter device then ensure that only liquid raw material just can enter blending tank；Agitator and stirring are respectively equipped with inside blending tank
Cup, the bottom of agitator are back taper, accept the hot liquid for melting chamber outflow and convey the liquid tentatively stirred by agitator
To the stirring cup of lower section, be equipped with several stirring sheets in agitator, stirring sheet be located on agitator inner wall and with agitator inner wall shape
At the angle less than 45 °, stirring sheet is staggered from top to bottom, and the stirring cup includes cup body, and bottom of cup is attemperator,
It is equipped with agitating shaft in the middle part of cup body, stirs axial both sides and extends to form stirring blade, agitator does preliminary stirring to raw material liq, stirs
It mixes piece and is staggered and guarantee the uniform of liquid in whipping process, the angle of stirring sheet and inner wall then utilizes the gravity of liquid itself will
Mixing liquid falls to stirring cup and will not remain in stirring sheet, and the agitating shaft in stirring cup futher stirs liquid, stirs
The protrusion for mixing piece can prevent the generation of bubble, and the attemperator of bottom of cup ensures that the temperature of liquid prevents its solidification, cup body
Side be equipped with liquid outlet nozzle connected by pipeline, pipeline can control transferring raw material equipped with solenoid valve, under nozzle
Side, workbench upper surface be equipped with rotary-tray, rotary-tray both sides of the edge upper surface is equipped with transparent baffle, in the transparent baffle
The hollow formation air duct in portion, air duct connect blower, are equipped with the air outlet of several adjustable-angles on the inside of transparent baffle from top to bottom, out
Air port connects air duct inside transparent baffle, and air outlet is flat gap, on the one hand transparent baffle is not influence imaging system
Effect, on the other hand internal air duct connection blower is cooled down, and flat gap compression wind increases pressure promotes wind speed, adjustable
The air outlet of section realizes comprehensive cooling.
Detailed description of the invention
Fig. 1 is schematic diagram of the invention；
Fig. 2 is the schematic diagram of material conveying platform.
In figure: 1, rack；2, workbench；3, crossbeam；4, elevating lever；5, fixed block；6, vertical rod；7, round sliding sleeve；8,
Nozzle；9, storage tank；10, blending tank；11, heat melts chamber；12, heat-proof device；13, agitator；14, stirring cup；15, cup body；16,
Attemperator；17, agitating shaft；18, stirring blade；19, liquid outlet；20, pipeline；21, solenoid valve；22, rotary-tray；23,
Material conveying platform；24, stirring sheet；25, transparent baffle；26, air outlet；27, air duct；28, blower.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, unless otherwise specified and limited, it should be noted that term " installation ", " connected ",
" connection " shall be understood in a broad sense, for example, it may be mechanical connection or electrical connection, the connection being also possible to inside two elements can
It, can also be indirectly connected through an intermediary to be to be connected directly.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term.
A kind of 3D printer according to an embodiment of the present invention is described referring to Fig. 1 to Fig. 2,3D printer includes rack 1
With the workbench 2 being arranged in rack 1, the front and rear sides of 2 upper surface of workbench are equipped with guide rail, and being respectively arranged on two guide rails can edge
The elevating lever 4 that guide rail horizontally slips, elevating lever 4 are arranged on fixed block 5, and fixed block 5 is mounted in guide rail, two elevating levers 4
Top connected by a crossbeam 3, the middle position of crossbeam 3 passes downwardly through a vertical rod 6 and connects printing head group
Part is a round sliding sleeve 7 at the top of vertical rod 6, and vertical rod 6 is moved forward and backward on crossbeam 3 by 7 sets of the circle sliding sleeve, institute
Stating vertical rod 6 is telescopic rod, and 6 bottom of vertical rod is bolted to connection printing head component, and printing head component includes sending
Material platform 23 and nozzle 8, the material conveying platform 23 specifically include storage tank 9, blending tank 10 and heat and melt chamber 11, and storage tank 9 is equipped with
Several melt chamber 11 by heat and connect blending tank 10, storage tank 9 for storing different solid, powdery raw materials, storage tank 9 respectively
Melt 11 junction of chamber i.e. 9 bottom of storage tank equipped with heat-proof device 12 with heat, heat melts setting heating device and filter device in chamber 11,
Agitator 13 and stirring cup 14 are respectively equipped with inside blending tank 10, the bottom of agitator 13 is back taper, undertaking heat melts the stream of chamber 11
Liquid out and the stirring cup 14 that the liquid tentatively stirred by agitator 13 is delivered to lower section are equipped in agitator 13 several
Stirring sheet 24, stirring sheet 24 are located on 13 inner wall of agitator and form the angle less than 45 °, stirring sheet 24 with 13 inner wall of agitator
It is staggered from top to bottom, the stirring cup 14 includes cup body 15, and 15 bottom of cup body is attemperator 16, is equipped in the middle part of cup body 15
Agitating shaft 17, agitating shaft 17 extend to form stirring blade 18 to both sides, and the side of cup body 15 is equipped with liquid outlet 19 and passes through pipeline
20 connection nozzles 8, pipeline 20 are equipped with solenoid valve 21, and the lower section of nozzle 8, the upper surface of workbench 2 are equipped with rotary-tray 22, rotation
22 both sides of the edge upper surface of disk ask equipped with transparent baffle 25, which forms air duct 27, and air duct 27 connects
It gives a dinner for a visitor from afar machine 28,25 inside of transparent baffle is equipped with the air outlet 26 of several adjustable-angles from top to bottom, and air outlet 26 connects transparent
25 inside air duct of baffle, air outlet 26 are flat gap.
Preferably, the stirring sheet 15 and the angle of 13 inner wall of agitator are 30 ° -45 °.
Preferably, the stirring sheet 15 is equipped with four.
Preferably, the surface of the stirring blade 18 forms several protrusions.
The 3D printer that the present invention designs, including rack and the workbench that is arranged on the rack, before worktable upper surface
Two sides are equipped with guide rail afterwards, and being respectively arranged on two guide rails can be arranged on fixed block along the elevating lever that guide rail horizontally slips, elevating lever,
Fixed block is mounted in guide rail, and the top of two elevating levers is connected by a crossbeam, and the middle position of crossbeam leads to downwards
A vertical rod connection printing head component is crossed, is a round sliding sleeve at the top of vertical rod, vertical rod is covered by the circle sliding sleeve
It being moved forward and backward on crossbeam, the vertical rod is telescopic rod, and vertical rod bottom is bolted to connection printing head component,
The spray printing on three-dimensional can be realized by the cooperation of guide rail, elevating lever, round sliding sleeve in this way, compared to traditional X-axis, Y
Axis, the multi-shaft interlocked structure of Z axis are more simple；Printing head component includes material conveying platform and nozzle, and the material conveying platform is specific
Melt chamber including storage tank, blending tank and heat, storage tank is equipped with several for storing different solid, powdery raw materials, storing respectively
Tank melts chamber by heat and connects blending tank, and storage tank and heat melt chamber junction i.e. storing pot bottom equipped with heat-proof device, and heat is melted intracavitary
Heating device and filter device are set, melt chamber by the way that heat is arranged, on the one hand printing raw material can be melted, increase its stream
Dynamic property, in order to which it is sprayed from discharge end, on the other hand, heat melts chamber with certain volume, additionally it is possible to the printing former material of liquid
Material is temporarily stored, and maintains heat to melt the amount of intracavitary printing raw material, so as to be effectively relieved in print procedure due to feed
Occur the phenomenon that fracture not in time, by setting heat-proof device, material can be made not soften before reaching heat and melting chamber, from
And high temperature, which can be effectively relieved, makes the problem of printing raw material softening, therefore, printing raw material softening can effectively be avoided to cause
Its extruding force reduce, and be easy to appear fracture, blocking the problem of, and can effectively improve printing shaping efficiency and molding matter
Amount, filter device then ensure that only liquid raw material just can enter blending tank；Agitator and stirring are respectively equipped with inside blending tank
Cup, the bottom of agitator are back taper, accept the hot liquid for melting chamber outflow and convey the liquid tentatively stirred by agitator
To the stirring cup of lower section, be equipped with several stirring sheets in agitator, stirring sheet be located on agitator inner wall and with agitator inner wall shape
At the angle less than 45 °, stirring sheet is staggered from top to bottom, and the stirring cup includes cup body, and bottom of cup is attemperator,
It is equipped with agitating shaft in the middle part of cup body, stirs axial both sides and extends to form stirring blade, agitator does preliminary stirring to raw material liq, stirs
It mixes piece and is staggered and guarantee the uniform of liquid in whipping process, the angle of stirring sheet and inner wall then utilizes the gravity of liquid itself will
Mixing liquid falls to stirring cup and will not remain in stirring sheet, and the agitating shaft in stirring cup futher stirs liquid, stirs
The protrusion for mixing piece can prevent the generation of bubble, and the attemperator of bottom of cup ensures that the temperature of liquid prevents its solidification, cup body
Side be equipped with liquid outlet nozzle connected by pipeline, pipeline can control transferring raw material equipped with solenoid valve, under nozzle
Side, workbench upper surface be equipped with rotary-tray, rotary-tray both sides of the edge upper surface is equipped with transparent baffle, in the transparent baffle
The hollow formation air duct in portion, air duct connect blower, are equipped with the air outlet of several adjustable-angles on the inside of transparent baffle from top to bottom, out
Air port connects air duct inside transparent baffle, and air outlet is flat gap, on the one hand transparent baffle is not influence imaging system
Effect, on the other hand internal air duct connection blower is cooled down, and flat gap compression wind increases pressure promotes wind speed, adjustable
The air outlet of section realizes comprehensive cooling.
In the description of this specification, the description meaning of reference term " one embodiment ", " example " or " some examples " etc.
Refer to that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one reality of the invention
It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or show
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples
It can be combined in any suitable manner.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (4)
1. a kind of 3D printer, which is characterized in that 3D printer includes rack and the workbench that is arranged on the rack, on workbench
The front and rear sides on surface are equipped with guide rail, and being respectively arranged on two guide rails can exist along the elevating lever that guide rail horizontally slips, elevating lever setting
On fixed block, fixed block is mounted in guide rail, and the top of two elevating levers is connected by a crossbeam, the interposition of crossbeam
It sets and passes downwardly through a vertical rod connection printing head component, be a round sliding sleeve at the top of vertical rod, vertical rod passes through the circle
Sliding sleeve is covered to be moved forward and backward on crossbeam, and the vertical rod is telescopic rod, and vertical rod bottom is bolted to connection printing
Nozzle component, printing head component include material conveying platform and nozzle, and the material conveying platform specifically includes storage tank, blending tank and heat
Melt chamber, storage tank is equipped with several and melts chamber connection mixing by heat for storing different solid, powdery raw materials, storage tank respectively
Tank, storage tank and heat melt chamber junction i.e. storing pot bottom equipped with heat-proof device, and heat melts intracavitary setting heating device and filtering dress
It sets, agitator and stirring cup is respectively equipped with inside blending tank, the bottom of agitator is back taper, accepts the liquid that heat melts chamber outflow
And the liquid tentatively stirred by agitator is delivered to the stirring cup of lower section, several stirring sheets, stirring sheet are equipped in agitator
It is located on agitator inner wall and forms the angle less than 45 ° with agitator inner wall, stirring sheet is staggered from top to bottom, described to stir
Mixing cup includes cup body, and bottom of cup is attemperator, is equipped with agitating shaft in the middle part of cup body, stirs axial both sides and extends to form paddle
Piece, the side of cup body are equipped with liquid outlet and connect nozzle by pipeline, and pipeline is equipped with solenoid valve, the lower section of nozzle, workbench
Upper surface be equipped with rotary-tray, rotary-tray both sides of the edge upper surface be equipped with transparent baffle, the transparent baffle inner hollow shape
At air duct, air duct connects blower, is equipped with the air outlet of several adjustable-angles, air outlet connection on the inside of transparent baffle from top to bottom
Air duct inside transparent baffle, air outlet are flat gap.
2. 3D printer according to claim 1, which is characterized in that the stirring sheet and the angle of agitator inner wall are
30°-45°。
3. 3D printer according to claim 2, which is characterized in that the stirring sheet is equipped with four.
4. 3D printer according to claim 1, which is characterized in that the surface of the stirring blade forms several protrusions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910340730.9A CN109986774A (en) | 2019-04-25 | 2019-04-25 | A kind of 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910340730.9A CN109986774A (en) | 2019-04-25 | 2019-04-25 | A kind of 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109986774A true CN109986774A (en) | 2019-07-09 |
Family
ID=67135209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910340730.9A Pending CN109986774A (en) | 2019-04-25 | 2019-04-25 | A kind of 3D printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109986774A (en) |
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| CN205095728U (en) * | 2015-11-04 | 2016-03-23 | 江西万里药业有限公司 | A mixing stirring device for pharmacy workshop |
| CN106239907A (en) * | 2015-06-19 | 2016-12-21 | 成都美律科技有限公司 | A kind of 3D printing head |
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