CN108905803A - A kind of metal powder blending device - Google Patents
A kind of metal powder blending device Download PDFInfo
- Publication number
- CN108905803A CN108905803A CN201810945120.7A CN201810945120A CN108905803A CN 108905803 A CN108905803 A CN 108905803A CN 201810945120 A CN201810945120 A CN 201810945120A CN 108905803 A CN108905803 A CN 108905803A
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- China
- Prior art keywords
- tank body
- fixed
- shaft
- fixedly connected
- protrusion
- 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
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- 239000002184 metal Substances 0.000 title claims abstract description 32
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 32
- 238000009725 powder blending Methods 0.000 title claims abstract description 8
- 239000013590 bulk material Substances 0.000 claims abstract description 19
- 230000035939 shock Effects 0.000 claims abstract description 18
- 230000003447 ipsilateral effect Effects 0.000 claims abstract description 4
- 229910003460 diamond Inorganic materials 0.000 claims description 5
- 239000010432 diamond Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000000843 powder Substances 0.000 abstract description 32
- 238000002156 mixing Methods 0.000 abstract description 28
- 230000000694 effects Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 230000004323 axial length Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 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
- B01F29/00—Mixers with rotating receptacles
- B01F29/90—Mixers with rotating receptacles with stirrers having planetary motion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F29/00—Mixers with rotating receptacles
- B01F29/40—Parts or components, e.g. receptacles, feeding or discharging means
- B01F29/403—Disposition of the rotor axis
- B01F29/4035—Disposition of the rotor axis with a receptacle rotating around two or more axes
- B01F29/40354—Disposition of the rotor axis with a receptacle rotating around two or more axes arranged for planetary motion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/26—Mixing ingredients for casting metals
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
A kind of metal powder blending device, including rack, runner assembly is fixed in rack, runner assembly drives shaft rotation, frame is fixedly connected in shaft, frame linking is fixedly connected with the both ends of tank body, and tank body includes two cylindrical portions that are coaxial and boring bottom opposite tapered portion and coaxial connection tapered portion, and the frame linking is fixedly connected with the vertex of a cone of tapered portion；It is respectively fixed with deflector and shock plate along the two sides of its axisymmetrical in tank body, deflector includes positive protrusion and reversed protrusion；There are two shock plates, and longitudinal section is the circular arc protruded to tank body axis, and the side for closing on reversed protrusion is fixedly connected and is fixed on the inner wall of cylindrical portion with reversed protrusion；Bulk material plate is provided between shock plate and the vertex of a cone of the tank body far from ipsilateral deflector.The device can effectively improve the mixing efficiency of metal powder.
Description
Technical field
The present invention relates to a kind of mixing apparatus of metal powder, and in particular to a kind of powder of 3D printing metal powder production
Mixing apparatus.
Background technique
The intracorporal cavity of cylinder of the metal powder mixing device of the prior art is among conical cavity for the i.e. both ends of shuttle shape
Cylindrical cavity, shaft are vertical with the axis of cylinder through cylindrical cavity.Shaft drive cylinder rotation, mixed copper powder from cylinder one
End falls and is slid onto the other end, realizes mixing.But this metal powder mixing device is when rotated, more copper powders are agglomerating
For shape from one end freely falling body of cylinder to other end, mixed effect is bad, and the copper powder of freely falling body is rolled into a ball to shell impulse ratio
Larger, vibration is bigger, exacerbates shaft or support turns the abrasion of shaft support.
In the prior art, Chinese patent (a kind of metal powder mixing device of CN104772456B) is in order to solve above-mentioned ask
Topic, proposes technical solution：The intracorporal cavity of cylinder includes upper and lower two symmetrical shuttle shape chambers, and two shuttle shape chambers are coaxial
Connection and be interconnected, cavity is installed with chamber door, the shaft be on the plane of symmetry of two shuttle shape chambers through shell with
Shell is fixedly connected；Shuttle shape is intracavitary to have several partitions, and the partition in two intracavitary portions of shuttle shape is using shaft as the symmetrical cloth of eccentric axial
It sets.
This equipment is when mixing size fractionated or different types of metal powder, is different on mixed process nature
It is moved at different rates to the same direction between powder, or especially intersected with similar and different speed to different directions
The mixing macroscopically between powder occurs when direction moves.And above-mentioned mixed condition is generated, the hand that this equipment uses
Section is that powder is allowed to collide, i.e. above-mentioned mixed process can occur for powder powder material when colliding with barrel.But
A kind of metal powder mixing device of prior art CN104772456B, in hollow cavity be provided with two shuttle-type chambers, to delay
Solve impact of the material to cylinder both ends, shuttle-type chamber is formed by two conical shells are opposite, due to having buffered impact force, material with cylinder
Momentum reduces when body both ends are collided, and the speed that powder obtains reduces, and mixing efficiency is actually to decline.
This mixing equipment not can be carried out continuous mixing, be its drawback, but since its proportion is very accurate, so
Mixed material does not have to the problem of worrying proportion fluctuation.Therefore, advantage also clearly, then its structure and just being needed using upper
Some improvement are done, to improve the efficiency of its mixture.
Summary of the invention
The object of the present invention is to provide one kind being capable of the high metal powder blending device of mixing efficiency.
To achieve the goals above, the present invention includes rack, and runner assembly is fixed in rack, and runner assembly drives shaft
It rotating, is fixedly connected with frame in shaft, frame linking is fixedly connected with the both ends of tank body,
Tank body includes two cylindrical portions that are coaxial and boring bottom opposite tapered portion and coaxial connection tapered portion, the frame linking
It being fixedly connected with the vertex of a cone of tapered portion, the shaft is fixedly connected with cylindrical portion, and the axis of shaft crosses the symmetrical centre of tank body, with
Tank body axis is vertical；The tank body side stationary positioned axis opposite with shaft, locating shaft is coaxial with shaft, and locating shaft is fixed by bearing
In rack；The centrum portion of tank body is provided with feed inlet and outlet；
Be respectively fixed with deflector and shock plate along the two sides of its axisymmetrical in tank body, deflector include positive protrusion and
Reversed protrusion, positive protrusion longitudinal section are the camber line protruded to tank body axis, and entirety is a semi-ring, from tank body side
The vertex of a cone extends to cylindrical portion, and the reversed protrusion longitudinal section is the camber line protruded to inner tank wall, and entirety is one and half
Ring extends to cylindrical portion from positive protrusion far from one end of the vertex of a cone；
There are two shock plates, and longitudinal section is the circular arc protruded to tank body axis, and a generally semi-ring closes on
The side of reversed protrusion is fixedly connected and is fixed on the inner wall of cylindrical portion with reversed protrusion, another side and cylindrical portion and tapered portion
Junction be fixedly connected；
Be provided with bulk material plate between shock plate and the vertex of a cone of the tank body far from ipsilateral deflector, bulk material plate have it is multiple, mutually
It is parallel, it is staggered, cross section is diamond shape, and the vacant end of bulk material plate is not more than five millimeters apart from tapered portion inner wall distance；It dissipates
Flitch is fixed on fixed frame, and fixed frame is fixed on transverse axis, and horizontal axis is coaxial with shaft, and both ends are fixedly connected with tank body.
Further, one driven shaft is positioned by axle envelope in the vertex of a cone of tapered portion, driven shaft is coaxial with tank body, driven shaft
Stretch out outside tank body, driven shaft is driven by transmission parts, and driven shaft is located at the intracorporal one end of tank and fixes a disk, disk it is separate from
Impact bar is fixed in the one side of moving axis, angle is between 10-20 degree between impact bar and the axis of driven shaft.
Further, the bevel gear of fixing coaxial and taper type idler wheel on the part that the driven shaft stretches out；
Fix a ring-shaped guide rail in rack, be fixed with the gear ring engaged with bevel gear on ring-shaped guide rail, be further fixed on
The rubbing surface of idler wheel cooperation.
The beneficial effects of the present invention are can effectively improve metal powder mixing efficiency, and equipment operation is more stable.
Detailed description of the invention
Fig. 1 is overall structure of the present invention.
Fig. 2 is tank structure schematic diagram.
Fig. 3 deflector top view.
Fig. 4 is bulk material plate cross-sectional view.
Fig. 5 is disk and impact bar positional diagram.
Specific embodiment
The present invention will be described in detail with reference to the accompanying drawing.
As shown in Figs. 1-5, a kind of metal powder blending device, including rack 10 are fixed with runner assembly 11 in rack 10, turn
Dynamic component 11 drives shaft 12 to rotate, and is fixedly connected with frame 13 in shaft 12, frame linking 13 is fixedly connected with the both ends of tank body 20.Rotation
Component can be motor, be also possible to the available combination of belt pulley etc..
Tank body 20 includes two cylindrical portions that are coaxial and boring bottom opposite tapered portion and coaxial connection tapered portion, the company
Frame 13 is fixedly connected with the vertex of a cone of tapered portion, and the shaft 12 is fixedly connected with cylindrical portion, and the axis of shaft 12 crosses tank body 20
Symmetrical centre, it is vertical with tank body axis.The side stationary positioned axis 14 opposite with shaft 20 of tank body 20, locating shaft 14 and shaft 12
Coaxially, locating shaft 14 is positioned in rack 10 by bearing.Shaft 12 is not passed through tank body, but passes through frame linking 13 and locating shaft
14 fix with tank body together, reduce the load of shaft, especially frame linking by long torque and drive tank body rotation, compared to by only
Tank body is driven to rotate by shaft, load is much smaller, and when by material impact, more stable.Importantly, this
It is more timely that speed change response is carried out when structure is for barrel body rotation.The centrum portion of tank body 20 is provided with feed inlet and outlet 250.
It is respectively fixed with deflector 21 and shock plate 22 along the two sides of its axisymmetrical in tank body 20, deflector 21 includes just
To protrusion 211 and reversed protrusion 212, positive 211 longitudinal section of protrusion is the camber line protruded to 20 axis of tank body, and entirety is
One semi-ring extends from the 20 side vertex of a cone of tank body to cylindrical portion, and reversed 212 longitudinal section of protrusion is one to 20 inner wall of tank body
The camber line of protrusion, entirety are a semi-rings, extend to cylindrical portion from positive protrusion 211 far from one end of the vertex of a cone.Shock plate
22 longitudinal sections are the circular arc protruded to 20 axis of tank body, a generally semi-ring, close on the side of reversed protrusion 212 with
Reversed protrusion 212 is fixedly connected and is fixed on the inner wall of cylindrical portion, and another side is solid with the junction of cylindrical portion and tapered portion
Fixed connection.Bulk material plate 26 is provided between shock plate 22 and the vertex of a cone of the tank body 20 far from ipsilateral deflector 21.Bulk material plate 26
Have it is multiple, it is parallel to each other, be staggered, cross section be diamond shape, apart from tapered portion inner wall distance be not more than five millimeters.Bulk material plate
26 fixations are on fixed frame 25, and fixed frame 25 is fixed on horizontal axis 23, and horizontal axis 23 and shaft 12 are coaxial, and both ends and tank body 20 are solid
Fixed connection.Material first passes through bulk material plate 26, and bulk material plate is staggered, and cross section is diamond shape, metal powder when passing through bulk material plate,
It collides with bulk material plate, and is squeezed in the gap between bulk material plate, so that effectively mixing for the first time is carried out, by dissipating
Metal powder after flitch can be flushed on shock plate 22, carry out second effectively mixing, by after shock plate 22 along reversed protrusion
212 are flushed to the fixed place's progress third time mixing of cone with positive protrusion 211.The effect of reversed protrusion 212 is to collapse material, positive protrusion
211 effect is that metal powder is allowed to rise along its protrusion, so that metal powder is scattered surely in cone, allows metal powder in bigger space
It is sufficiently mixed.It is mixed three times to cooperate, the rotation of shaft 12 is divided into two stages, in first and second effectively mixing
When, the revolving speed of shaft is slower, after completing the effectively mixing of the second drop, faster rotational speed.Specifically it can be tank body and ground into 45 degree
First and second effectively mixing are completed when angle, revolving speed promotes 1.5-2 times later, and metal powder is allowed to obtain at positive protrusion 211
Bigger movement speed.A kind of above scheme metal powder mixing device of CN104772456B compared with the prior art, mixed phase
With metal powder when, the time of half can be saved.And equipment operation is more stable, is lost smaller.
In order to improve the effect of mixing, and for improving the stability and controllability of tank body, metal powder pair is reduced
Tank body impacts bring abrasion, and the variation due to revolving speed caused by impacting.Pass through axle envelope positioning one in the vertex of a cone of tapered portion
A driven shaft 27, driven shaft 27 and tank body 20 are coaxial, and driven shaft 27 stretches out outside tank body 20, bevel gear 28 and cone on the part of stretching
Platform shape idler wheel 29.A ring-shaped guide rail 40 is fixed in rack 10, is fixed with the gear ring engaged with bevel gear 28 on ring-shaped guide rail 40
42, it is further fixed on the rubbing surface 41 cooperated with idler wheel 29；
Idler wheel 29 and bevel gear 28 are cooperatings, and the rolling of gear is not smooth enough, and are being impacted or needed to subtract
Speed and when slow down, mechanical collision is relatively more, responds slow when slowing down, is not sufficiently stable, and increase idler wheel 29 can be more
These defects are mended, keep the rotation of tank body 20 more smooth, the response time for accelerating and slowing down is shorter.Certainly asking for idler wheel 29 is used alone
Topic is also relatively more, and the rolling frictionally of idler wheel, the efficiency for the conduction that rubs is poor, and loss or coefficient of friction and machinery fill
The precision matched can all influence the revolving speed of idler wheel, and then influence the rotation of driven shaft.Therefore, 29 fiting effect of bevel gear 28 and idler wheel
Most preferably.
A disk 210 is fixed in one end that driven shaft 27 is located in tank body 20, in one side of the disk 210 far from driven shaft 27
Fixed impact bar 220, angle is between 10-20 degree between impact bar 220 and the axis of driven shaft 27.Impact bar 220 can be set
Multilayer is set, every layer of fixing end is on the same circle.
When tank body 20 rotates, bevel gear 28 and gear ring 42 cooperate, and idler wheel and rubbing surface 41 cooperate, and drive 27 turns of driven shaft
It is dynamic, when metal powder pours the vertex of a cone from positive protrusion 211, is broken up, mixes by impact bar 220.The effect for mixing third time effectively
More preferably.Increase a kind of technical solution of ring-shaped guide rail 40 and driven shaft 27 metal of CN104772456B compared with the prior art
Powder mixing device, mixing time are only 1/4 of the prior art or so.Stabilization of equipment performance is more compared to a upper technical solution.
In order to improve the effect of bulk material plate 26, when multiple bulk material plates are combined, the diamond shape of cross section is arranged at equal intervals
Column, mutual gap are not less than 1cm no more than 2cm.
The ratio of cylindrical portion axial length and tapered portion axial length is there are an optimum range, and the ratio is 1:1.6-1:
Between 1.8, within the scope of this, material has preferable movement velocity, momentum needed for metal powder can be made to obtain mixing, and speed
Degree will not be too fast, can move substantially according to the shape of deflector 21, to guarantee its mixed effect.
There is also optimum values for the ratio of the diameter of 22 interface circular arc of shock plate and cylindrical portion axial length, this ratio is 1:
1.2-1:Between 1.6.Within this range, shock plate can be contacted effectively with metal powder, but not metal powder is hindered to continue to move
It is dynamic, that is, play impact effect, but metal powder impacted after it is quickly mobile to deflector, stayed on shock plate without will continue to.
Certain cross-sectional dimension of shock plate and the diameter of cylindrical portion also have optimal proportion, but this ratio will combine tank body
Single mixing amount is determined.In general, this ratio is selected in 1：Between 4-1-6.
Rubbing surface 41 on ring-shaped guide rail 40 is prone to wear, and idler wheel two sides stationary annular flange, rubbing surface protrudes into flange,
Fixed function is mainly played, guarantees that idler wheel effectively contacts always with rubbing surface.
The foregoing is merely the preferred embodiment of the present invention, are not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All any modifications in spirit of that invention and principle, made are equal
Replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (3)
1. a kind of metal powder blending device, including rack, runner assembly is fixed in rack, which is characterized in that runner assembly band
Turn axis rotates, and is fixedly connected with frame in shaft, and frame linking is fixedly connected with the both ends of tank body,
Tank body includes two cylindrical portions that are coaxial and boring bottom opposite tapered portion and coaxial connection tapered portion, the frame linking and cone
The vertex of a cone in shape portion is fixedly connected, and the shaft is fixedly connected with cylindrical portion, and the axis of shaft crosses the symmetrical centre of tank body, with tank body
Axis is vertical；The tank body side stationary positioned axis opposite with shaft, locating shaft is coaxial with shaft, and locating shaft is positioned at by bearing
In rack；The centrum portion of tank body is provided with feed inlet and outlet；
It is respectively fixed with deflector and shock plate along the two sides of its axisymmetrical in tank body, deflector is including positive protrusion and reversely
Protrusion, positive protrusion longitudinal section are the camber line protruded to tank body axis, and entirety is a semi-ring, from the tank body side vertex of a cone
Extending to cylindrical portion, the reversed protrusion longitudinal section is the camber line protruded to inner tank wall, and entirety is a semi-ring,
Cylindrical portion is extended to from positive protrusion far from one end of the vertex of a cone；
There are two shock plates, and longitudinal section is the circular arc protruded to tank body axis, and a generally semi-ring closes on reversed
The side of protrusion is fixedly connected and is fixed on the inner wall of cylindrical portion with reversed protrusion, the company of another side and cylindrical portion and tapered portion
The place of connecing is fixedly connected；
Be provided with bulk material plate between shock plate and the vertex of a cone of the tank body far from ipsilateral deflector, bulk material plate have it is multiple, it is mutually equal
Row, is staggered, and cross section is diamond shape, and the vacant end of bulk material plate is not more than five millimeters apart from tapered portion inner wall distance；Bulk material plate
On fixed and fixed frame, fixed frame is fixed on transverse axis, and horizontal axis is coaxial with shaft, and both ends are fixedly connected with tank body.
2. metal powder blending device according to claim 1, which is characterized in that positioned in the vertex of a cone of tapered portion by axle envelope
One driven shaft, driven shaft is coaxial with tank body, and driven shaft stretches out outside tank body, and driven shaft is driven by transmission parts, and driven shaft is located at
A disk is fixed in the intracorporal one end of tank, and disk is far from fixing impact bar, the axis of impact bar and driven shaft in the one side of driven shaft
Angle is between 10-20 degree between line.
3. metal powder blending device according to claim 1, which is characterized in that fixed on the part that the driven shaft stretches out
Coaxial bevel gear and taper type idler wheel；
A ring-shaped guide rail is fixed in rack, is fixed with the gear ring engaged with bevel gear on ring-shaped guide rail, is further fixed on and idler wheel
The rubbing surface of cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810945120.7A CN108905803A (en) | 2018-08-20 | 2018-08-20 | A kind of metal powder blending device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810945120.7A CN108905803A (en) | 2018-08-20 | 2018-08-20 | A kind of metal powder blending device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108905803A true CN108905803A (en) | 2018-11-30 |
Family
ID=64406319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810945120.7A Pending CN108905803A (en) | 2018-08-20 | 2018-08-20 | A kind of metal powder blending device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108905803A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201012319Y (en) * | 2007-02-05 | 2008-01-30 | 珠海市乐通化工股份有限公司 | Printing ink fast dispersing device |
| CN201760256U (en) * | 2010-06-29 | 2011-03-16 | 深圳市科拓新能源材料有限公司 | Mixing machine for mixing powder |
| CN204093339U (en) * | 2014-09-28 | 2015-01-14 | 云南辉利畜牧科技有限公司 | A kind of feed mixing machine |
| CN104772456A (en) * | 2015-04-21 | 2015-07-15 | 江苏大方金属粉末有限公司 | Metal powder mixing device |
| CN205550111U (en) * | 2016-04-29 | 2016-09-07 | 广州崃克保化工有限公司 | A high -efficient agitating unit for organosilicon emulsion compounding |
| CN205700194U (en) * | 2016-06-20 | 2016-11-23 | 南京科技职业学院 | A kind of new type static mixer |
| CN209061023U (en) * | 2018-08-20 | 2019-07-05 | 江苏威拉里新材料科技有限公司 | Metal powder blending device |
-
2018
- 2018-08-20 CN CN201810945120.7A patent/CN108905803A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201012319Y (en) * | 2007-02-05 | 2008-01-30 | 珠海市乐通化工股份有限公司 | Printing ink fast dispersing device |
| CN201760256U (en) * | 2010-06-29 | 2011-03-16 | 深圳市科拓新能源材料有限公司 | Mixing machine for mixing powder |
| CN204093339U (en) * | 2014-09-28 | 2015-01-14 | 云南辉利畜牧科技有限公司 | A kind of feed mixing machine |
| CN104772456A (en) * | 2015-04-21 | 2015-07-15 | 江苏大方金属粉末有限公司 | Metal powder mixing device |
| CN205550111U (en) * | 2016-04-29 | 2016-09-07 | 广州崃克保化工有限公司 | A high -efficient agitating unit for organosilicon emulsion compounding |
| CN205700194U (en) * | 2016-06-20 | 2016-11-23 | 南京科技职业学院 | A kind of new type static mixer |
| CN209061023U (en) * | 2018-08-20 | 2019-07-05 | 江苏威拉里新材料科技有限公司 | Metal powder blending device |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181130 |
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| RJ01 | Rejection of invention patent application after publication |