CN105727784B - The mixing device of 3D printer - Google Patents
The mixing device of 3D printer Download PDFInfo
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- CN105727784B CN105727784B CN201510211515.0A CN201510211515A CN105727784B CN 105727784 B CN105727784 B CN 105727784B CN 201510211515 A CN201510211515 A CN 201510211515A CN 105727784 B CN105727784 B CN 105727784B
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- mixing tank
- stirring vane
- mixing
- mixing device
- stirring
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Abstract
The invention provides a kind of mixing device of 3D printer, it includes：Loading hopper；The mixing tank connected with loading hopper by pipeline, is provided with stirring vane in mixing tank, stirring vane is connected by blade connecting shaft with stirring motor；And installed in the discharging opening of the bottom of mixing tank, wherein, the axis of mixing tank is at an angle with horizontal direction to be obliquely installed.Mixing device of the invention can fairly evenly mix binding agent and printed material, it is ensured that the quality printed in follow-up print procedure, it is to avoid due to printed material and binding agent mixing it is uneven caused by the mass defect such as layering appearance.
Description
Technical field
The present invention relates to a kind of mixing device of 3D printer.
Background technology
With the development of science and technology, 3D printing technique has reached its maturity, various industries have begun to different degrees of use should
Technology, casting industry is no exception, and application of the current 3D printer in terms of casting is relatively broad, but relies on binding agent by material
Material solidification is current topmost forming principle, therefore, the uniformity that material mixes with binding agent is that 3D printer needs to solve
One of problem.
The content of the invention
For problem present in correlation technique, it is an object of the invention to provide a kind of mixing device of 3D printer,
This mixing device can fairly evenly mix binding agent and printed material.
According to an aspect of the invention, there is provided a kind of mixing device of 3D printer, it includes：Loading hopper；Pass through
The mixing tank that pipeline is connected with loading hopper, is provided with stirring vane in mixing tank, stirring vane is by blade connecting shaft and stirring
Motor connection；And installed in the discharging opening of the bottom of mixing tank, wherein, the axis of mixing tank is at an angle with horizontal direction to incline
Tiltedly set.
According to one embodiment of present invention, the angle is in the range of 30 ° to 60 °.
According to one embodiment of present invention, also including the weighing sensor below loading hopper.
According to one embodiment of present invention, the stirring vane have be fixedly connected with blade connecting shaft inner end,
The outer end relative with inner end and the blade body portion between inner end and outer end, the top edge in blade body portion
Tapered into along the direction from inner end to outer end with the distance between lower edge.
According to one embodiment of present invention, projection of the stirring vane in the plane perpendicular to the axis of mixing tank is in circle
Arc.
According to one embodiment of present invention, also including the steel plate being connected with outer end, steel plate has what is linked together
Some, the multiple part extends in different planes.
According to one embodiment of present invention, at least one stirring vane is two stirring vanes, described two to stir
Blade is mixed to be centrosymmetric arrangement on blade connecting shaft.
The mixing device that the present invention is provided, has the beneficial effect that：
(1) axis designs of mixing tank are obliquely installed into horizontal direction is at an angle, can obtain printed material
Preferable dihedral coefficient value, solving printed material can not be sufficiently mixed uniform problem with binding agent, it is ensured that subsequently beat
The quality printed during print, it is to avoid because the mass defect such as layering going out caused by printed material and binding agent mixing are uneven
It is existing.
(2) weighing sensor is set by loading hopper lower end, the addition weight of material can be accurately measured, for 3D
The raw material of printing by Different Weight than component situation about constituting, be not used in before charging to each component using the invention device
Material carries out calculating of weighing, and in actual production, the accurate of component is capable of achieving when starting components are added in loading hopper and is matched somebody with somebody
Than.
(3) stirring vane is designed as the arc surface shape with inner wide and outer narrow and external margin is provided with one fixed width
Steel plate, it is beneficial to the integrality of printed material, and during stirring, circular arc stirring vane drives printed material by introversion
Outer rolling, when reaching blade exterior, is stirred to central vane again by steel plate, and the motion for going round and beginning again solves other types
The blade problem that blade can smash material during motor high-speed rotation.
Brief description of the drawings
In accompanying drawing of the invention：
Fig. 1 is the front view of mixing device of the invention；
Fig. 2 is the top view of the mixing tank of mixing device of the invention；
Fig. 3 is the front view of the mixing tank stirring vane of mixing device of the invention；
Fig. 4 is the stereogram of the mixing tank stirring vane of mixing device of the invention；
Fig. 5 is the operating diagram of mixing device of the invention.
Label in figure：1st, loading hopper；2nd, printer cover；3rd, mixing tank；4th, stirring motor；5th, blade connecting shaft；6th, stir
Mix blade；7th, discharging opening；8th, weighing sensor；9th, stone device；10th, workbench；11st, the inner end of stirring vane；12nd, paddle
The outer end of piece；13rd, the blade body portion of stirring vane.
Specific embodiment
Reference picture 1, shows the mixing device of 3D printer of the invention, and it includes：Loading hopper 1 and by pipeline and institute
State the mixing tank 3 of the connection of loading hopper 1.In use, loading hopper 1 can be arranged on the top of printer cover 2, and mixing tank 3 can be installed
In the lower section of printer cover 2, during material can send into mixing tank 3 by pipeline from loading hopper 1.It is provided with least in mixing tank 3
One stirring vane 6, stirring vane 6 is connected by blade connecting shaft 5 with stirring motor 4, and stirring motor 4 drives blade connecting shaft
5 rotations, and then drive stirring vane 6 to rotate, so as to be stirred to material.Discharging opening 7 be arranged on mixing tank 3 bottom so that
Stir the material for completing and leave mixing tank 3.Although in the present embodiment, discharging opening 7 is arranged on the bottom of mixing tank 3, should
Understand, discharging opening 7 may be mounted at other and be adapted to the position derived from material near the bottom of mixing tank.Such as Fig. 1 institutes
Show, mixing tank 3 can be fixed on printer or other correct positions, its installation is not right angle setting, but and water
Plane has certain angle.Specifically, the axis of mixing tank 3 θ at an angle with horizontal direction is obliquely installed.The angle, θ with beat
The dihedral coefficient for printing material is relevant, specially：(Sw is the surface area of the important material grain of unit to dihedral coefficient E=Sw/Sth, and Sth is
Surface area when material grain is set to spherical).The axis inclination at angle theta with horizontal direction of mixing tank 3 is set to be obtained in that preferably angle
Shape coefficient E values, so as to realize that printed material and binding agent are sufficiently mixed uniform effect.
In a preferred embodiment, mixing tank install tilt angle theta in the range of 30 ° to 60 °, to reach most
Good dihedral coefficient E values.
In one embodiment of the invention, reference picture 1, the mixing device also includes the title installed in the lower section of loading hopper 1
Retransmit sensor 8.Weighing sensor 8 can be connected with external display device, and to show the numerical value weighed, operating personnel can be according to this
The numerical value of display controls the addition of printed material manually.Additionally, weighing sensor 8 can also be connected with control system, with root
According to being actually needed the addition that automatically controls printed material.At work, the printed material in loading hopper 1 is added by the external world, plus
The amount for entering is measured by weighing sensor 8, and when printed material addition has reached the value of program setting, extraneous feeding device stops
Charging.Weighing sensor is set by loading hopper lower end, the addition weight of material can be accurately measured, for 3D printing
Raw material by Different Weight than component situation about constituting, need not be before charging to each component material using the invention device
Calculating of weighing is carried out, trouble is reduced, in actual production, component is capable of achieving when starting components are added in loading hopper
Accurate proportioning.
Referring in particular to Fig. 2 to Fig. 4, the stirring vane 6 of mixing device of the invention is shown.As shown in figure 3, stirring vane
With the outer end 12 relative with inner end 11 with the inner end 11 that blade connecting shaft is fixedly connected and positioned at inner end with it is outer
The distance between blade body portion 13 between end, the top edge and lower edge in blade body portion 13 d is along from inner end 11
Direction to outer end 12 tapers into.Further, as shown in Fig. 2 stirring vane is in the flat of the axis perpendicular to mixing tank
Projection on face is in circular arc.Therefore, see on the whole, stirring vane 6 has the arc surface shape of inner wide and outer narrow.In work
In, the printed material in loading hopper 1 is entered in mixing tank 3 by connecting pipe, while binding agent adds blending bucket 3, stirring electricity
Machine is started working, and under the rotation of stirring motor 4, stirring vane 6 starts to rotate, because stirring vane 6 is the face of circular arc, thing
Material is gradually promoted from middle to both sides, can realize the more uniform mixing of material.
In one embodiment of the invention, mixing device also includes the steel plate being connected with the outer end 10 of stirring vane
12, steel plate 12 has some for linking together, and the multiple part extends in different planes.Such as Fig. 3 and Fig. 4 institutes
Show, integrally in the strip of bending, it has three parts for linking together to the steel plate, and these three parts are in different planes
Interior extension, with different spatial orientations.It is contemplated that can be obtained by the way that a steel plate for strip is bent twice
Obtain the structure.Furthermore, it is possible to according to actual needs by the steel plate design into including some with various spatial orientations.
When material shifts the edge of mixing tank 3 onto, can be started by the steel plate at edge again, by the stirring of such circulation, the thing in mixing tank 3
Material and binding agent are stirred, and the discharging opening 7 of the bottom of last mixing tank 3 is opened, and well mixed material is admitted in feeder 9,
After material in feeder 9 is filled it up with, start the stone operation on workbench 10, carry out printing stone work, and mixing tank 3 is opened
Begin the mixing of another batch of material.
In one embodiment of the invention, referring to figs. 1 to Fig. 2, it can be seen that the quantity of stirring vane 6 is two, this
Two stirring vanes 6 are centrosymmetric arrangement on blade connecting shaft 5.It is also contemplated, however, that the present invention can also have other to count
The stirring vane of amount.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (4)
1. a kind of mixing device of 3D printer, it is characterised in that including：
Loading hopper (1)；
The mixing tank (3) connected with the loading hopper (1) by pipeline, at least one stirring is provided with the mixing tank (3)
Blade (6), the stirring vane (6) is connected by blade connecting shaft (5) with stirring motor (4)；And
Installed in the discharging opening (7) of the bottom of the mixing tank (3),
Wherein, the axis of the mixing tank (3) is at an angle with horizontal direction is obliquely installed,
Wherein, the stirring vane (6) is with the inner end (11) being fixedly connected with the blade connecting shaft (5) and described interior
The relative outer end in end (12) and the blade body portion (13) between the inner end and the outer end, the leaf
The distance between top edge and lower edge of piece main part (13) are along from the inner end (11) to the outer end (12)
Direction tapers into, wherein, projection of the stirring vane (6) in the plane perpendicular to the axis of the mixing tank (3) is in
Circular arc,
Wherein, the mixing device also includes the steel plate being connected with the outer end, and the steel plate is more with what is linked together
Individual part, the multiple part extends in different planes.
2. mixing device according to claim 1, it is characterised in that the angle is in the range of 30 ° to 60 °.
3. mixing device according to claim 1, it is characterised in that also including below the loading hopper (1)
Weighing sensor (8).
4. mixing device according to claim 1, it is characterised in that at least one stirring vane (6) is stirred for two
Mix blade (6), described two stirring vanes (6) are centrosymmetric arrangement on the blade connecting shaft (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510211515.0A CN105727784B (en) | 2015-04-29 | 2015-04-29 | The mixing device of 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510211515.0A CN105727784B (en) | 2015-04-29 | 2015-04-29 | The mixing device of 3D printer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105727784A CN105727784A (en) | 2016-07-06 |
| CN105727784B true CN105727784B (en) | 2017-06-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510211515.0A Active CN105727784B (en) | 2015-04-29 | 2015-04-29 | The mixing device of 3D printer |
Country Status (1)
| Country | Link |
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| CN (1) | CN105727784B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106313510A (en) * | 2016-10-13 | 2017-01-11 | 河南龙璟科技有限公司 | Material mixing device of 3D printer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2016995A1 (en) * | 2007-07-18 | 2009-01-21 | IMPIANTI OMS S.p.A. | Apparatus for dosing and mixing solid powders in technological processes for converting plastic materials |
| CN202263538U (en) * | 2011-10-21 | 2012-06-06 | 马方兴 | Uniformly mixing tank for wood-plastic raw materials |
| CN102921328A (en) * | 2012-11-18 | 2013-02-13 | 青岛嘉禾丰肥业有限公司 | Agitator and using method of agitator |
| CN103862678A (en) * | 2014-03-19 | 2014-06-18 | 昆山博力迈三维打印科技有限公司 | 3D printer made of curing material with reaction of multiple components |
| CN204672168U (en) * | 2015-04-29 | 2015-09-30 | 宁夏共享模具有限公司 | The mixing device of 3D printer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60104237A (en) * | 1983-11-11 | 1985-06-08 | Ricoh Co Ltd | Optical accuracy measuring device of roof mirror |
-
2015
- 2015-04-29 CN CN201510211515.0A patent/CN105727784B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2016995A1 (en) * | 2007-07-18 | 2009-01-21 | IMPIANTI OMS S.p.A. | Apparatus for dosing and mixing solid powders in technological processes for converting plastic materials |
| CN202263538U (en) * | 2011-10-21 | 2012-06-06 | 马方兴 | Uniformly mixing tank for wood-plastic raw materials |
| CN102921328A (en) * | 2012-11-18 | 2013-02-13 | 青岛嘉禾丰肥业有限公司 | Agitator and using method of agitator |
| CN103862678A (en) * | 2014-03-19 | 2014-06-18 | 昆山博力迈三维打印科技有限公司 | 3D printer made of curing material with reaction of multiple components |
| CN204672168U (en) * | 2015-04-29 | 2015-09-30 | 宁夏共享模具有限公司 | The mixing device of 3D printer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105727784A (en) | 2016-07-06 |
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Address after: 750021 the Ningxia Hui Autonomous Region Yinchuan economic and Technological Development Zone ningshuo South Street No. 298 Patentee after: Shared Intelligent Equipment Co., Ltd. Address before: 750021 Ningxia Hui Autonomous Region Yinchuan City China Ningxia Hui Autonomous Region Yinchuan Economic and Technological Development Zone Ningshuo South Street 298 Patentee before: Ningxia Kocel Pattern Co., Ltd. |
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