CN207013176U - Vacuum charging device and titanium alloy powder screening system - Google Patents
Vacuum charging device and titanium alloy powder screening system Download PDFInfo
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- CN207013176U CN207013176U CN201720868624.4U CN201720868624U CN207013176U CN 207013176 U CN207013176 U CN 207013176U CN 201720868624 U CN201720868624 U CN 201720868624U CN 207013176 U CN207013176 U CN 207013176U
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- vacuum charging
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Abstract
The utility model provides a kind of vacuum charging device and titanium alloy powder screening system, belong to 3D printing powder sieving production technical field, include the interim storage warehouse of powder and cyclone separator, the interim storage warehouse of powder is provided with vaccum exhaust outlet, storage chamber and the powder inlet being connected with the storage chamber and powder discharging opening being configured to vavuum pump connection；Cyclone separator is installed in storage warehouse, and the import of cyclone separator connects with powder inlet, and the blanking outlet of cyclone separator connects with storage chamber, and the air exit of cyclone separator connects with vaccum exhaust outlet.The vacuum charging device is used cooperatively with screening mechanism, and the material after screening mechanism screening for the first time can be automatically into vacuum charging device, and the addition of material is time saving and energy saving, greatly reduces labor intensity, while improve efficiency.
Description
Technical field
3D printing powder sieving production technical field is the utility model is related to, is filled in particular to a kind of vacuum feeding
Put and titanium alloy powder screening system.
Background technology
Selective laser fusing metal 3D printing technique (Selective laser melting, SLM) focuses on light using accurate
The preset metal dust from level to level completed of spot rapid melting, it can almost directly obtain arbitrary shape and there is complete metallurgical junction
The function part of conjunction.Consistency can reach intimate 100%, is a kind of rapid shaping technique of great development prospect, is especially navigating
There is particularly important application prospect in the fields such as empty space flight, medical treatment, automobile, mould.SLM technologies use superfine spherical powder as former
Material, usual 30-60 μm of powdering thickness (most thin powdering thickness is up to 20 μm).In order to shape to obtain even density, performance is consistent
Part, its requirement of various performance parameters to powder is extremely harsh, and especially distribution of particles is evaluation powder property most critical
One of parameter index.Therefore powder in production, selects a kind of stabilization effectively to sieve mode particularly critical.
In actual production, using traditional circular impact screen or the swing sieve that shakes, clogging is also easy to produce in screening,
And exist and yield poorly, screen cloth service life is short, the problems such as frequently changing.Raw material grading effect is bad, easily blocks screen cloth, uses sieve
Mesh screen analyses low separation efficiency.In addition, while production efficiency is reduced, the quality for repeating the operation several times and bringing is also increased not
Stability factor, adds labor intensity, largely have impact on the quality fluctuation of aviation 3D printing powder, is formed follow-up
The quality unstability factor of 3D printing process.
Utility model content
The purpose of this utility model is to provide a kind of vacuum charging device, to improve traditional metal dust screening process
In multiple screening operation the problem of adding labor intensity.
The purpose of this utility model is to provide a kind of titanium alloy powder screening system, sieved with improving traditional metal dust
The problem of repeatedly screening operation adds labor intensity during point.
What embodiment of the present utility model was realized in：
Based on above-mentioned first purpose, the utility model provides a kind of vacuum charging device, includes powder and stores temporarily
Storehouse and cyclone separator, the interim storage warehouse of powder are provided with vaccum exhaust outlet, the storage for being configured to connect with vavuum pump
Chamber and the powder inlet being connected with the storage chamber and powder discharging opening；The cyclone separator is installed on the storage warehouse
In, the import of the cyclone separator connects with the powder inlet, blanking outlet and the storage of the cyclone separator
Chamber connection is deposited, the air exit of the cyclone separator connects with the vaccum exhaust outlet.
In the utility model preferred embodiment, the interim storage warehouse of powder for cylindrical shape, the vaccum exhaust outlet,
The axis direction of the powder inlet and the powder discharging opening along the interim storage warehouse of the powder is arranged successively.
In the utility model preferred embodiment, the vaccum exhaust outlet and the powder discharging opening are located at institute respectively
State on two end faces along its axis direction of the interim storage warehouse of powder；The powder inlet is located at the powder and stored temporarily
On the perisporium in storehouse.
In the utility model preferred embodiment, the vacuum charging device also includes feed tube, the feed tube
Both ends are respectively the first opening and the second opening, and the feed tube is detachably connected with the interim storage warehouse of the powder, and described
First opening connects with the powder discharging opening.
In the utility model preferred embodiment, the feed tube includes cylindrical section and the conically shaped section being connected, institute
State the first opening to be located at the port of the remote conically shaped section of the cylindrical section, second opening is located at the conically shaped
At the port of the remote cylindrical section of section, the port that the bore of the conically shaped section is larger connects the cylindrical section；The circle
Cylinder section is connected with the interim storage warehouse of the powder.
In the utility model preferred embodiment, the vacuum charging device also includes retaining mechanism, the locking machine
Structure is used to connect the cylindrical section and the interim storage warehouse of the powder.
In the utility model preferred embodiment, the retaining mechanism includes retaining ring and clamping screw, the lock
Tight ring includes two locking ends, and the clamping screw is screwed onto in two locking ends.
In the utility model preferred embodiment, the vacuum charging device also includes exhaust gas filter unit, the row
Gas filter element is located at the air exit of the cyclone separator.
In the utility model preferred embodiment, the vacuum charging device also includes frame, and the powder stores up temporarily
Storage is installed on the frame.
Based on above-mentioned second purpose, the utility model provides a kind of titanium alloy powder screening system, including screening plant
And described vacuum charging device, the feed end of the screening plant connect with the powder discharging opening, the screening plant
Discharge end connected with the powder inlet.
The beneficial effect of the utility model embodiment is：
In summary, the utility model embodiment provides a kind of vacuum charging device, and its is simple and reasonable, is easy to make
Processing is made, is installed with easy to use, meanwhile, the vacuum charging device is used cooperatively with screening mechanism, and screening mechanism sieves for the first time
Material afterwards can be automatically into vacuum charging device, and the addition of material is time saving and energy saving, greatly reduces labor intensity, together
When improve efficiency.It is specific as follows：
The vacuum charging device that the present embodiment provides, includes the interim storage warehouse of powder, is set in the interim storage warehouse of powder
Be equipped with storage chamber, and be connected with the storage chamber powder inlet, powder discharging opening, and vaccum exhaust outlet.In vacuum
Material device also includes cyclone separator, and cyclone separator is arranged in the interim storage warehouse of powder, the import of cyclone separator with
Powder inlet is connected, and the blanking outlet of cyclone separator connects with storage chamber, and air exit and the vacuum of cyclone separator are arranged
Gas port connects.In use, vavuum pump is connected at vaccum exhaust outlet, start vavuum pump by the air in the interim storage warehouse of powder
Extract out, negative pressure is formed in the interim storage warehouse of powder, sieved the screening mechanism being connected with powder inlet due to pressure difference
The material branched away is drawn into the interim storage warehouse of powder, passes through cyclonic separation during entering in the interim storage warehouse of powder
Device, cyclone separator will separate powder and gas, and powder is fallen in the interim storage warehouse of powder from blanking exit, then from powder
Last discharging opening drops into the feed end of screening mechanism, carries out screening work again, and gas is discharged by vaccum exhaust outlet, is so followed
Ring completes screening.Automaticity is high in whole process, and screening efficiency is high, and screening effect is good, greatly reduces labor intensity.
The titanium alloy powder screening system that the present embodiment provides includes above-mentioned vacuum charging device, has in above-mentioned vacuum
Expect all advantages of device.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is the schematic diagram of the titanium alloy powder screening system of the utility model embodiment；
Fig. 2 is the schematic diagram of the vacuum charging device of the utility model embodiment；
Fig. 3 is the schematic diagram of the feed tube of the utility model embodiment；
Fig. 4 is the schematic diagram of the retaining mechanism of the utility model embodiment.
Icon：100- screening plants；110- feed ends；120- discharge ends；200- vacuum charging devices；210- powder
The interim storage warehouse in end；211- storage chambers；212- vaccum exhaust outlets；213- charging apertures；214- discharging openings；220- whirlwind point
From device；240- feed tubes；241- cylindrical sections；242- conically shaped sections；243- first is open；244- second is open；250-
Retaining mechanism；251- retaining rings；252- clamping screws；260- exhaust gas filter units；270- frames；271- bases；
272- supporting legs；273- montants；274- cross bars.
Embodiment
In actual production, using traditional circular impact screen or the swing sieve that shakes, clogging is also easy to produce in screening,
And exist and yield poorly, screen cloth service life is short, the problems such as frequently changing.Raw material grading effect is bad, easily blocks screen cloth, uses sieve
Mesh screen analyses low separation efficiency.In addition, while production efficiency is reduced, the quality for repeating the operation several times and bringing is also increased not
Stability factor, adds labor intensity, largely have impact on the quality fluctuation of aviation 3D printing powder, is formed follow-up
The quality unstability factor of 3D printing process.
In consideration of it, inventor devises a kind of vacuum charging device and titanium alloy powder screening system, by vacuum feeding
Device is used cooperatively with titanium alloy powder screening machine, can be realized the automatic cycle screening action of powder, be greatly reduced work
Intensity, improves the efficiency of screening, and the effect of screening is good.
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Generally here described in accompanying drawing and
The component of the utility model embodiment shown can be configured to arrange and design with a variety of.
Therefore, the detailed description of the embodiment of the present utility model to providing in the accompanying drawings is not intended to limit requirement below
The scope of the utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
, it is necessary to explanation in description of the present utility model, term " under ", " vertical ", " interior ", the side of the instruction such as " outer "
Position or position relationship be based on orientation shown in the drawings or position relationship, or the utility model product using when usually put
Orientation or position relationship, be for only for ease of description the utility model and simplify and describe, rather than instruction or imply signified
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that new to this practicality
The limitation of type.In addition, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relatively heavy
The property wanted.
In description of the present utility model, it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " installation ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
Referring to Fig. 1, present embodiments provide a kind of titanium alloy powder screening system, include screening plant 100 and
Vacuum charging device 200.
Screening plant 100 includes multilayer Screening Network, and multilayer Screening Network is intervally arranged in an overlapping manner, material is realized more
Level is sieved.It is the feed end 110 of screening plant 100 positioned at the top of the superiors' Screening Network, under orlop Screening Network
Portion is the discharge end 120 of screening plant 100, and powder to be sieved enters from feed end 110, the amount of powder after multi-stage screening
Fallen from discharge end 120.The powder on Screening Network is stayed in after every layer of Screening Network screening to drop into corresponding storage device, it is optional
, storage device is storage tank.
Referring to Fig. 2, vacuum charging device 200 includes the interim storage warehouse 210 of powder, cyclone separator 220, vavuum pump
(not shown), feed tube 240, retaining mechanism 250, exhaust gas filter unit 260 and frame 270.
The interim storage warehouse 210 of powder is cylindrical tube structure, the interim storage warehouse 210 of powder perpendicular to its axis direction
Section be annular shape, the interim storage warehouse 210 of powder is provided with the storage chamber 211 of cylindrical shape, is connected with the storage chamber 211
Powder inlet 213 and powder discharging opening 214, and the vaccum exhaust outlet 212 connected with storage chamber 211.In the present embodiment,
Optionally, vaccum exhaust outlet 212 is arranged on an end face along its axis direction for storage warehouse, by powder inlet 213
It is arranged on the perisporium of the interim storage warehouse 210 of powder, optionally, installation is provided with the perisporium of the interim storage warehouse 210 of powder
Projection, the raised radial direction along the interim storage warehouse 210 of powder of installation protrude the outer peripheral face of perisporium, and installation projection is tubulose knot
Structure, powder inlet 213 are the raised tube chamber of installation, and tube chamber connects with storage chamber 211.Powder discharging opening 214 is designed in powder
On one end face of the remote vaccum exhaust outlet 212 of last interim storage warehouse 210, i.e. vaccum exhaust outlet 212, powder inlet 213
It is intervally arranged successively with axis direction interval of the powder discharging opening 214 along the interim storage warehouse 210 of powder.
Cyclone separator 220 includes conical shell, the import that is connected on conical shell and with the inner chamber of conical shell,
Blanking exports and air exit, and import is located between air exit and blanking outlet, and blanking outlet is positioned at the straight of conical shell
The less one end in footpath, air exit are located at one end being relatively large in diameter of conical shell.Cyclone separator 220 is to be used for gas-solid system
A kind of or equipment of the separation of liquid-solid system.Operation principle is rotary motion caused by being introduced tangentially into by air-flow, make to have compared with
The solid particle or drop of big centrifugal inertial force get rid of to outside wall surface and separated, and cyclone separator 220 uses vertical cylinder structure, internal
It is divided into liquid collecting zone, cyclone separation, area of clean room etc. vertically.The major function of the equipment of cyclone separator 220 is to remove as far as possible
The solid particle polluter and drop carried in mixture is removed, reaches gas-solid-liquid separation, to ensure the normal operation of pipeline and equipment.
The separating effect of cyclone separator 220：Under the conditions of design pressure and tolerance, >=10 μm of solid particle can be removed.Whirlwind
Separator 220 is applied to non-sticky of the purification more than 1-3 microns, the dried dust of non-fiber.
Vavuum pump refers to using machinery, physics, chemically or physically chemical method is evacuated to being taken out container and obtained
The device or equipment of vacuum.For popular, vavuum pump is to improve, produce and maintain true in a certain closing space with various methods
Empty device.In the present embodiment, vavuum pump is prior art, and its 26S Proteasome Structure and Function is not improved, in order to avoid narration weight
Multiple burden, herein without describing in detail.
Referring to Fig. 3, feed tube 240 includes cylindrical section 241 and conically shaped section 242, cylindrical section 241 perpendicular to its axle
The section in line direction is annular, and the both ends of cylindrical section 241 are opening, the cutting perpendicular to its axis direction of conically shaped section 242
Face is annular shape, and conically shaped section 242 includes necking end and opening end, and necking end and opening end are opening, conically shaped section 242
Opening end connects with the Single port of cylindrical section 241.One end of the remote conically shaped section 242 of cylindrical section 241 is the first opening 243,
One end (necking end) of the remote cylindrical section 241 of conically shaped section 242 is the second opening 244.First opening 243 is circular port, the
Two openings 244 are circular port.
Optionally, cylindrical section 241 is integrated machine-shaping with conically shaped section 242.
Referring to Fig. 4, retaining mechanism 250 is used to realize the interim storage warehouse 210 of powder and the connection of feed tube 240.Locking
Mechanism 250 includes retaining ring 251 and clamping screw 252, and retaining ring 251 has keeper, and the both ends of retaining ring 251 are locking
End, the both ends of retaining ring 251 are spirally connected by clamping screw 252, by adjusting clamping screw 252, can change the big of keeper
The object in keeper is locked in small and then realization, can also be connected two objects in keeper.Can
Choosing, each locking end is provided with through hole, the screw rod of clamping screw 252 passes through two through holes of two locking ends, Ran Houfen
Be not spirally connected nut at the both ends of screw rod, and the locking of two locking ends is realized by screwing nut.
Optionally, retaining ring 251 is bent to form for rectangular strip, and retaining ring 251 has inner peripheral surface and outer peripheral face, is locking
The inner peripheral surface of ring 251 sets elastic layer.
Exhaust gas filter unit 260 includes multistorey strainer mesh, and multistorey strainer mesh is arranged in a manner of being laminated.
Frame 270 includes base 271, supporting leg 272 and support bar, and supporting leg 272 is provided with more, more supports
Leg 272 is arranged on the same side of base 271, for support base 271.Support bar includes montant 273 and cross bar 274, montant
273 one end is installed on base 271, and the other end of montant 273 is vertically installed with cross bar 274, cross bar 274 and supporting leg 272
In the both sides of base 271.The projection along the direction of montant 273 of cross bar 274 is dropped on base 271.It is provided with base 271
Installing port.
The titanium alloy powder screening system that the present embodiment provides, the interim storage warehouse 210 of powder is arranged on cross bar 274,
The interim storage warehouse 210 of powder is vertically arranged, the discharging opening 214 of the interim storage warehouse 210 of powder and the first opening of cylindrical section 241
243 connections, the interim storage warehouse 210 of powder are connected by retaining ring 251 with cylindrical section 241, the bullet on the inner peripheral surface of retaining ring 251
Property layer simultaneously be fitted in outside the interim storage warehouse 210 of powder and cylindrical section 241, screw clamping screw 252 by the interim storage warehouse of powder
210 and cylindrical section 241 realize connection, now, elastic layer crimp, both play a part of improving sealing, while powder faces
When storage warehouse 210 and cylindrical section 241 it is not easy to wear.It is interim that cyclone separator 220 and exhaust gas filter unit 260 are arranged on powder
In storage warehouse 210, the import of cyclone separator 220 connects with charging aperture 213, the blanking outlet and discharging of cyclone separator 220
Mouth 214 connects, and the air exit of cyclone separator 220 after exhaust gas filter unit 260 with vaccum exhaust outlet 212 by connecting, very
Empty pump is connected at vaccum exhaust outlet 212.Conically shaped section 242 is located at base from the installing port insertion on base 271, necking end
271 lower section.The discharge end 120 of screening plant 100 is connected by the charging aperture 213 of pipeline storage warehouse 210 interim with powder, sieve
The feed end 110 of separating device 100 is connected by pipeline with the necking end of feed tube 240.During work, start vavuum pump, to powder
Interim storage warehouse 210 vacuumizes, and forms negative pressure, the powder at the discharge end 120 of screening plant 100 due to pressure difference formation and by
Take the interim storage warehouse 210 of powder to, powder is spinned along the outer wall of cyclone separator 220 and moved, and falls on the interim storage warehouse of powder
210 so that solid and gas separation, air exit of the gas through cyclone separator 220, then through multiple filtration net from vacuum exhaust
It is pumped at mouth 212, wherein, there is minimal residue to be blocked on exhaust gas filter unit 260 in gas, drop back into powder again and store temporarily
Storehouse 210 by gas without being taken away.Powder in the interim storage warehouse 210 of powder drops into screening plant by feed tube 240
100 feed end 110, is sieved again, so circulation.Because feed tube 240 has conically shaped section 242, powder more holds
Easily drop into the feed end 110 of screening plant 100.
The titanium alloy powder screening system that the present embodiment provides, automaticity is high, efficiency high, reduces labor intensity.
Obviously, in the present embodiment, for the ease of vacuumize and control powder towards screening plant 100 blanking speed and
The number of blanking amount, can set valve at discharging opening 214 and charging aperture 213.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (10)
1. a kind of vacuum charging device, it is characterised in that include the interim storage warehouse of powder and cyclone separator, the powder
Interim storage warehouse is provided with vaccum exhaust outlet, storage chamber and the powder being connected with the storage chamber being configured to vavuum pump connection
Last charging aperture and powder discharging opening；The cyclone separator is installed in the storage warehouse, the import of the cyclone separator with
The powder inlet connection, the blanking outlet of the cyclone separator connect with the storage chamber, the cyclone separator
Air exit connects with the vaccum exhaust outlet.
2. vacuum charging device according to claim 1, it is characterised in that the interim storage warehouse of powder is cylindrical shape,
The axis side of the vaccum exhaust outlet, the powder inlet and the powder discharging opening along the interim storage warehouse of the powder
To arranging successively.
3. vacuum charging device according to claim 2, it is characterised in that the vaccum exhaust outlet and the powder go out
Material mouth is respectively on two end faces along its axis direction of the interim storage warehouse of the powder；The powder inlet is located at institute
On the perisporium for stating the interim storage warehouse of powder.
4. according to the vacuum charging device described in claim any one of 1-3, it is characterised in that the vacuum charging device is also
Including feed tube, the both ends of the feed tube are respectively the first opening and the second opening, and the feed tube and the powder are interim
Storage warehouse is detachably connected, and first opening connects with the powder discharging opening.
5. vacuum charging device according to claim 4, it is characterised in that the feed tube includes the cylindrical section being connected
With conically shaped section, first opening is at the port of the remote conically shaped section of the cylindrical section, second opening
At the port of the remote cylindrical section of the conically shaped section, described in the larger port connection of the bore of the conically shaped section
Cylindrical section；The cylindrical section is connected with the interim storage warehouse of the powder.
6. vacuum charging device according to claim 5, it is characterised in that the vacuum charging device also includes locking machine
Structure, the retaining mechanism are used to connect the cylindrical section and the interim storage warehouse of the powder.
7. vacuum charging device according to claim 6, it is characterised in that the retaining mechanism includes retaining ring and lock
Tight bolt, the retaining ring include two locking ends, and the clamping screw is screwed onto in two locking ends.
8. vacuum charging device according to claim 4, it is characterised in that the vacuum charging device also includes being vented
Unit is filtered, the exhaust gas filter unit is located at the air exit of the cyclone separator.
9. vacuum charging device according to claim 4, it is characterised in that the vacuum charging device also includes frame,
The interim storage warehouse of powder is installed on the frame.
10. a kind of titanium alloy powder screening system, it is characterised in that including screening plant and any according to claim 1-9
Vacuum charging device described in, the feed end of the screening plant connect with the powder discharging opening, the screening plant
Discharge end connects with the powder inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720868624.4U CN207013176U (en) | 2017-07-17 | 2017-07-17 | Vacuum charging device and titanium alloy powder screening system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720868624.4U CN207013176U (en) | 2017-07-17 | 2017-07-17 | Vacuum charging device and titanium alloy powder screening system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207013176U true CN207013176U (en) | 2018-02-16 |
Family
ID=61484795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720868624.4U Active CN207013176U (en) | 2017-07-17 | 2017-07-17 | Vacuum charging device and titanium alloy powder screening system |
Country Status (1)
| Country | Link |
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| CN (1) | CN207013176U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112808567A (en) * | 2020-12-30 | 2021-05-18 | 江苏威拉里新材料科技有限公司 | Automatic frequency modulation 3D prints metal powder vibration powder shifter |
-
2017
- 2017-07-17 CN CN201720868624.4U patent/CN207013176U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112808567A (en) * | 2020-12-30 | 2021-05-18 | 江苏威拉里新材料科技有限公司 | Automatic frequency modulation 3D prints metal powder vibration powder shifter |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xiong Xiaojing Inventor before: Wu Xinhua Inventor before: Mei Junfa Inventor before: Xiong Xiaojing |
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 215000 No. 9, Shek Yang Road, hi tech Zone, Suzhou, Jiangsu Patentee after: Suzhou three peak Laser Technology Co., Ltd. Address before: 215000 811, room 2, new Tianxiang Commercial Plaza, 388 Suya Road, Wuzhong District Suzhou Industrial Park, Suzhou, Jiangsu Patentee before: Suzhou three peak Laser Technology Co., Ltd. |