CN110302692A - Ink jet type 3D sand mold printer feed liquid blender - Google Patents
Ink jet type 3D sand mold printer feed liquid blender Download PDFInfo
- Publication number
- CN110302692A CN110302692A CN201910692813.4A CN201910692813A CN110302692A CN 110302692 A CN110302692 A CN 110302692A CN 201910692813 A CN201910692813 A CN 201910692813A CN 110302692 A CN110302692 A CN 110302692A
- Authority
- CN
- China
- Prior art keywords
- feed liquid
- face
- agitating shaft
- mixing bunker
- liquid mixing
- 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.)
- Pending
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 64
- 239000004576 sand Substances 0.000 title claims abstract description 44
- 238000002156 mixing Methods 0.000 claims abstract description 39
- 238000003756 stirring Methods 0.000 claims abstract description 34
- 238000007789 sealing Methods 0.000 claims abstract description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 229910002804 graphite Inorganic materials 0.000 claims description 10
- 239000010439 graphite Substances 0.000 claims description 10
- 238000012856 packing Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 230000007704 transition Effects 0.000 claims description 3
- 241000233855 Orchidaceae Species 0.000 claims description 2
- 239000000843 powder Substances 0.000 abstract description 10
- 238000007639 printing Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 238000010146 3D printing Methods 0.000 abstract description 6
- 239000002245 particle Substances 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 abstract description 3
- 241000273930 Brevoortia tyrannus Species 0.000 abstract 6
- 239000000463 material Substances 0.000 description 20
- 239000000243 solution Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000010339 dilation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
- B01F27/61—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis about an inclined axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
- B01F27/70—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/75—Discharge mechanisms
- B01F35/754—Discharge mechanisms characterised by the means for discharging the components from the mixer
- B01F35/75445—Discharge mechanisms characterised by the means for discharging the components from the mixer using pushers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
- B01F2035/35—Use of other general mechanical engineering elements in mixing devices
- B01F2035/351—Sealings
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Accessories For Mixers (AREA)
Abstract
The invention belongs to 3D printing equipment technical fields, more particularly, to a kind of ink jet type 3D sand mold printer feed liquid blender, it is characterized by comprising feed liquid mixing bunkers, the driving motor of this feed liquid mixing bunker bottom is set, it is connected with this driving motor output shaft and the agitating shaft inside feed liquid mixing bunker is set, at least one stirring blade on this agitating shaft is set, the sealing device of feed liquid mixing bunker bottom is set, discharge port on feed liquid mixing bunker lower sides is set, block the discharge door on this discharge port, the liquid feeding capillary on feed liquid mixing bunker top is set.Present invention setting near sanding platform, occupies little space inside the printing device；Mulling effect is good, and little particle powder may be implemented and uniformly mix with a small amount of proportion solution；Agitating shaft is combined using three kinds of labyrinth seal, end face seal and axial seal modes, prevents sand stream from entering axial play damage bearing, axis and the bearing block of agitating shaft, long service life, work efficiency is high.
Description
Technical field
The invention belongs to 3D printing equipment technical fields, stir more particularly, to a kind of ink jet type 3D sand mold printer feed liquid
Device.
Background technique
3D printing technique is to be designed a model with Computerized three-dimensional for source, by the way that software hierarchy is discrete and numerical control molding system
System, in the way of laser beam, hot melt nozzle etc. by the special materials such as metal powder, ceramic powders, plastics, cell tissue carry out by
Layer heap product is cohered, and final superposition molding produces physical product.
SYP-1800 ink jet type 3D printer, using 3DP(Three-Dimensional Printing) printing technology, lead to
Array nozzle group injection binding material is crossed, binding material and sand grains is bonded, is successively superimposed, directly produces required sand
Type, sand core.By researching and developing new 3D printing technique and 3D printing equipment, the application range of dilation technique, simplify technique, reduce at
This, keeps printing device practical, improves the precision of printing product.
As sand mold raw material, it is that will quantify sand feed powder and quantitative acidic aqueous solution to stir evenly, carries out standard for sand mold printing
Standby work.Phenomena such as current some blenders have the bad sand leakage of stirring sealing, needs often repair, stirring is uneven, also
One is external independent sand blenders, and occupied space is big, at high cost.
Summary of the invention
The object of the present invention is to provide a kind of medium sand feed powders to stir evenly with acid solution, and agitating shaft sealing effect is good,
It can be realized little particle powder and the mixed uniformly ink jet type 3D sand mold printer feed liquid blender of a small amount of solution.
The purpose of the present invention is what is realized by following technical proposals:
A kind of ink jet type 3D sand mold printer feed liquid blender of the invention, it is characterised in that including feed liquid mixing bunker, setting exists
The driving motor of this feed liquid mixing bunker bottom is connected with this driving motor output shaft and is arranged inside the feed liquid mixing bunker
Agitating shaft, at least one stirring blade on this agitating shaft is set, be arranged in feed liquid mixing bunker bottom sealing dress
It sets, the discharge port on the feed liquid mixing bunker lower sides is set, block the discharge door on this discharge port, be arranged described
The liquid feeding capillary on feed liquid mixing bunker top,
The stirring blade includes radial blade, the axial blade being connected with this radial blade, the radial blade
Primary blades are circular arc type blade, and primary blades upper surface is that helical cut face, primary blades scarf and primary blades baseplane are pressed from both sides at 50 °
Angle, the axial blade include upper working face, transition face and lower working face, the upper working face and the primary blades bottom
Plane is vertical, and the lower working face and the primary blades scarf are in 10 ° of angles,
The sealing device includes the backgauge method for being arranged at the motor shaft shaft shoulder and being located at agitating shaft axially position end face
Orchid is arranged in this backgauge flange groove and is located at the O-ring of agitating shaft axially position end face, is arranged in feed liquid mixing bunker
Internal and labyrinth seal and end face seal between agitating shaft shaft shoulder end face and bearing block end face are arranged described
Axial seal between agitating shaft and bearing block axis hole.
The end face seal is graphite packing, and the groove of agitating shaft shaft shoulder end face is arranged in the end face seal
In, it is pressed on the bearing block end face.
The axial seal is graphite packing, and the axial seal is pressed in the agitating shaft and the bearing block
In the gap of axis hole.
The bottom surface of the feed liquid mixing bunker and horizontal direction are in 150-350Angle setting.
Be equipped with sprue on the inside of the discharge door, be cambered surface on the inside of this sprue, this cambered surface when discharge door is closed with it is described
Feed liquid mixing bunker inner wall cambered surface it is consistent.
At least one described stirring blade is two stirring blades, during this two stirring blades with the agitating shaft are
The heart is arranged symmetrically.
Advantages of the present invention:
Ink jet type 3D sand mold printer feed liquid blender of the invention, setting near sanding platform, occupy inside the printing device
Space is small；Mulling effect is good, and little particle powder may be implemented and uniformly mix with a small amount of proportion solution；Agitating shaft is close using labyrinth
Three kinds of envelope, end face seal and axial seal modes combine, and prevent sand stream from entering axial play damage bearing, axis and the bearing of agitating shaft
Seat, long service life, work efficiency is high.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the K direction view of Fig. 1 of the present invention.
Fig. 3 is the structural schematic diagram of stirring blade of the present invention.
Fig. 4 is the structural schematic diagram of stirring blade of the present invention.
Fig. 5 is the structural schematic diagram of stirring blade of the present invention.
Fig. 6 is the F-F view of Fig. 4 of the present invention.
Fig. 7 is sand flow direction in whipping process of the present invention.
Fig. 8 is the structural schematic diagram of sealing device of the present invention.
Specific embodiment
A specific embodiment of the invention is further illustrated with reference to the accompanying drawing.
As shown in figures 1-8, a kind of ink jet type 3D sand mold printer feed liquid blender of the invention, it is characterised in that including material
Liquid mixing bunker 6 is arranged in the driving motor 5 that this feed liquid mixes 6 orlop portions, is connected and is arranged with this 5 output shaft of driving motor
At least one stirring blade 3 on this agitating shaft 8 is arranged in agitating shaft 8 inside the feed liquid mixing bunker 6, is arranged in institute
The discharge port 2 on 6 lower sides of feed liquid mixing bunker is arranged in the sealing device 4 for stating 6 bottom of feed liquid mixing bunker, blocks
The liquid feeding capillary 7 on 6 top of feed liquid mixing bunker is arranged in discharge door 1 on this discharge port 2,
As seen in figures 3-6, the stirring blade 3 includes radial blade 3-1, the axial leaf being connected with this radial blade 3-1
The primary blades of piece 3-2, the radial blade 3-1 are circular arc type blade, this primary blades upper surface 3-1-1 is helical cut face, institute
For the primary blades scarf 3-1-2 and primary blades baseplane 3-1-3 stated at 50 ° of angles, the axial blade 3-2 includes upper work
Face 3-2-1, transition face 3-2-2 and lower working face 3-2-3, the upper working face 3-2-1 and the primary blades baseplane 3-
1-3 is vertical, and the lower working face 3-2-3 and the primary blades scarf 3-1-2 are in 10 ° of angles,
The sealing device 4 includes the backgauge for being arranged at the motor shaft shaft shoulder and being located at the 8 axially position end face of agitating shaft
Flange 4-5 is arranged in this backgauge flange 4-5 groove and is located at the O-ring 4-4 of the 8 axially position end face of agitating shaft, setting
Inside feed liquid mixing bunker 6 and it is located at 8 shaft shoulder end face of agitating shaft and 11 end faces of bearing block, that is, rotary end surface and non-rotating bottom
Labyrinth seal 4-1 and end face seal 4-2 between face, the axial direction being arranged between 11 axis hole of the agitating shaft 8 and bearing block are close
Seal 4-3.
The end face seal 4-2 is graphite packing, and the end face seal 4-2 is arranged at 8 shaft shoulder end of agitating shaft
In face, that is, rotary end surface groove, it is pressed on 11 end face of bearing block.
The axial seal 4-3 is graphite packing, and the axial seal 4-3 is pressed in the agitating shaft 8 and institute
In the gap for stating 11 axis hole of bearing block.
The bottom surface of the feed liquid mixing bunker 6 and horizontal direction are in 150-350Angle setting.
It is equipped with sprue on the inside of the discharge door 1, is cambered surface on the inside of this sprue, this cambered surface is when discharge door 1 is closed and institute
The 6 inner wall cambered surface of feed liquid mixing bunker stated is consistent.Discharge door 1 is driven using cylinder, after discharge door 1 is closed, feed liquid can be stopped mixed
2 blanking of discharge port in storehouse 6 is closed, it is consistent with 6 inner wall cambered surface of feed liquid mixing bunker on the inside of sprue under this state, it avoids discharge door 1 and stirs
The interference of blade 3 is mixed, while also avoiding buildup at discharge port 2 and causing stirring uneven.
At least one described stirring blade 3 is two stirring blades 3, this two stirring blades 3 are with the agitating shaft 8
Centered on be arranged symmetrically.
Ink jet type 3D sand mold printer feed liquid blender of the invention is will to quantify sand feed powder and quantitative acidic aqueous solution to stir
It mixes uniformly, granularity is that medium sand feed powder 0.2% acid solution of proportion of -200 mesh of 80 mesh stirs evenly, and is carried out for sand mold printing
Preparation.In whipping process, agitating shaft 8 rotates counterclockwise, and stirring blade 3 is driven to stir the sand material in feed liquid mixing bunker 6.Water
Sand material square into feed liquid mixing bunker 6 among lower part is gradually forced away from axle center by radial blade 3-1, and flow direction is as schemed
Sand material shown in 7b., while among 6 internal upper part of feed liquid mixing bunker falls short covering as shown in Fig. 7 a..It is shifted by radial blade 3-1
The sand material on periphery slides from low to high gradually by the ramps rise of axial blade 3-2, then from high point to radial blade 3-1's
Inside slides.Agitating shaft 8 persistently rotates, and foregoing this flowing is in cycles, final to realize feed liquid uniform stirring.Discharging
When, since the bottom surface of feed liquid mixing bunker 6 and horizontal direction are in 150-350Angle setting, discharge door 1 is opened when discharging, and sand material is stirring
It will be flowed out automatically outside 6 warehouse of feed liquid mixing bunker under the promotion of blade 3, and keep discharging more convenient；The bottom surface of feed liquid mixing bunker 6 and level
Direction is in 150-350The setting at angle is sprinkled upon the solution being added uniformly on the inside of sand material whirlpool, prevents stirring initial stage due to centrifugal force
Effect be sticked to the sand material of part humidity on 6 warehouse inner wall of feed liquid mixing bunker.
In addition, the present invention uses strict sealing system in the bottom of agitating shaft, keep 8 sealing effect of agitating shaft good, uses
Service life is long, and work efficiency is high.1, labyrinth seal 4-1, end face seal 4-2 and tri- kinds of mode join protection bearings of axial seal 4-3
9: being labyrinth seal 4-1 first, keep out sand material and enter faying face between agitating shaft 8 and bearing 9；Followed by end face seal 4-2, material
Material is graphite packing, and graphite packing is placed in the groove of labyrinth seal 4-1 rotary end surface, is pressed in 6 warehouse of feed liquid mixing bunker
On the non-rotating face in bottom, sand material is stopped to enter in axial play；It is finally sealing 4-3, material is graphite packing, and graphite packing is tight
Tight is extruded in axial play.Sand material is effectively blocked in outside by this structure, ensure that the service life of bearing 9.2, O-ring 4-4
Protection motor shaft is applied in combination with backgauge flange 4-5.If intentional outer material leakage phenomenon, this combination can stop sand material to fall on motor
Axis root, while backgauge flange 4-5 rotates, centrifugal force effect, sand material is thrown to outside by motor fixing seat opening 10, thus
Protect motor shaft.3, bearing block 11 is detachable form, if be conveniently replaceable by sand grinding abrasion.
Ink jet type 3D sand mold printer feed liquid blender of the invention, setting inside the printing device near sanding platform,
It occupies little space；Mulling effect is good, and little particle powder may be implemented and uniformly mix with a small amount of proportion solution；Agitating shaft 8 is using fan
Tri- kinds of palace sealing 4-1, end face seal 4-2 and axial seal 4-3 modes combine, and prevent sand stream from entering axle sleeve, damage axis and axle sleeve,
Long service life, work efficiency is high.
Claims (6)
1. a kind of ink jet type 3D sand mold printer feed liquid blender, it is characterised in that including feed liquid mixing bunker, be arranged in this feed liquid
The driving motor of mixing bunker bottom is connected with this driving motor output shaft and the stirring inside the feed liquid mixing bunker is arranged in
At least one stirring blade on this agitating shaft is arranged in axis, and the sealing device of feed liquid mixing bunker bottom is arranged in, setting
Discharge port on the feed liquid mixing bunker lower sides, blocks the discharge door on this discharge port, and setting is mixed in the feed liquid
The liquid feeding capillary on the top He Cang,
The stirring blade includes radial blade, the axial blade being connected with this radial blade, the radial blade
Primary blades are circular arc type blade, and primary blades upper surface is that helical cut face, primary blades scarf and primary blades baseplane are pressed from both sides at 50 °
Angle, the axial blade include upper working face, transition face and lower working face, the upper working face and the primary blades bottom
Plane is vertical, and the lower working face and the primary blades scarf are in 10 ° of angles,
The sealing device includes the backgauge method for being arranged at the motor shaft shaft shoulder and being located at agitating shaft axially position end face
Orchid is arranged in this backgauge flange groove and is located at the O-ring of agitating shaft axially position end face, is arranged in feed liquid mixing bunker
Internal and labyrinth seal and end face seal between agitating shaft shaft shoulder end face and bearing block end face are arranged described
Axial seal between agitating shaft and bearing block axis hole.
2. ink jet type 3D sand mold printer feed liquid blender according to claim 1, it is characterised in that the end face is close
Envelope is graphite packing, and the end face seal is arranged in the groove of agitating shaft shaft shoulder end face, is pressed in the bearing
On seat end face.
3. ink jet type 3D sand mold printer feed liquid blender according to claim 1, it is characterised in that the axial direction is close
Envelope is graphite packing, and the axial seal is pressed in the gap of the agitating shaft and the bearing block axis hole.
4. ink jet type 3D sand mold printer feed liquid blender according to claim 1, it is characterised in that the feed liquid is mixed
The bottom surface and horizontal direction for closing storehouse are in 150-350Angle setting.
5. ink jet type 3D sand mold printer feed liquid blender according to claim 1, it is characterised in that the discharge door
Inside is equipped with sprue, is cambered surface on the inside of this sprue, this cambered surface when discharge door is closed with the feed liquid mixing bunker inner wall cambered surface
Unanimously.
6. ink jet type 3D sand mold printer feed liquid blender according to claim 1, it is characterised in that described at least one
A stirring blade is two stirring blades, this two stirring blades are arranged symmetrically centered on the agitating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910692813.4A CN110302692A (en) | 2019-07-30 | 2019-07-30 | Ink jet type 3D sand mold printer feed liquid blender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910692813.4A CN110302692A (en) | 2019-07-30 | 2019-07-30 | Ink jet type 3D sand mold printer feed liquid blender |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110302692A true CN110302692A (en) | 2019-10-08 |
Family
ID=68081975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910692813.4A Pending CN110302692A (en) | 2019-07-30 | 2019-07-30 | Ink jet type 3D sand mold printer feed liquid blender |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110302692A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114951545A (en) * | 2022-05-26 | 2022-08-30 | 维捷(苏州)三维打印有限公司 | Novel full-automatic sand mixer for sand mold 3D printing |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86105781A (en) * | 1985-07-30 | 1987-01-28 | 通用信号公司 | Agitating device |
| CN202270520U (en) * | 2011-08-25 | 2012-06-13 | 河北钢铁股份有限公司邯郸分公司 | Reaction vessel stirrer blade |
| CN104033576A (en) * | 2014-06-18 | 2014-09-10 | 江苏赫夫特齿轮制造有限公司 | Vertical reducer seal structure and vertical reducer |
| CN206334602U (en) * | 2016-12-25 | 2017-07-18 | 山东川大机械设备有限公司 | A kind of simple and efficient agitator |
| CN208574496U (en) * | 2018-04-03 | 2019-03-05 | 好得康（北京）保健食品有限公司 | High-speed mixing granulating machine |
| CN210645941U (en) * | 2019-07-30 | 2020-06-02 | 辽宁森远增材制造科技有限公司 | Feed liquid stirrer of ink-jet 3D sand mold printer |
-
2019
- 2019-07-30 CN CN201910692813.4A patent/CN110302692A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86105781A (en) * | 1985-07-30 | 1987-01-28 | 通用信号公司 | Agitating device |
| CN202270520U (en) * | 2011-08-25 | 2012-06-13 | 河北钢铁股份有限公司邯郸分公司 | Reaction vessel stirrer blade |
| CN104033576A (en) * | 2014-06-18 | 2014-09-10 | 江苏赫夫特齿轮制造有限公司 | Vertical reducer seal structure and vertical reducer |
| CN206334602U (en) * | 2016-12-25 | 2017-07-18 | 山东川大机械设备有限公司 | A kind of simple and efficient agitator |
| CN208574496U (en) * | 2018-04-03 | 2019-03-05 | 好得康（北京）保健食品有限公司 | High-speed mixing granulating machine |
| CN210645941U (en) * | 2019-07-30 | 2020-06-02 | 辽宁森远增材制造科技有限公司 | Feed liquid stirrer of ink-jet 3D sand mold printer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114951545A (en) * | 2022-05-26 | 2022-08-30 | 维捷(苏州)三维打印有限公司 | Novel full-automatic sand mixer for sand mold 3D printing |
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