CN107881499A - The multi-functional powder feeder of screw - Google Patents
The multi-functional powder feeder of screw Download PDFInfo
- Publication number
- CN107881499A CN107881499A CN201711156446.3A CN201711156446A CN107881499A CN 107881499 A CN107881499 A CN 107881499A CN 201711156446 A CN201711156446 A CN 201711156446A CN 107881499 A CN107881499 A CN 107881499A
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- CN
- China
- Prior art keywords
- powder
- shell
- air pressure
- pressure inlet
- transfer passage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
- C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Screw Conveyors (AREA)
Abstract
The invention discloses the multi-functional powder feeder of screw, solves the problems of the prior art.The multi-functional powder feeder of screw, including shell and the storage magazine being arranged on shell, enclosure is provided with transfer passage, screw rod is provided with transfer passage, one end of screw rod is connected with power set, transfer passage is also communicated with powder outlet, and the shell is provided with the cleaning powder air pressure inlet connected with transfer passage, the synchronous powder feeding system air pressure inlet connected with powder outlet is additionally provided with the shell；Cleaning powder air pressure inlet and synchronous powder feeding system air pressure inlet are connected by tracheae with inert gas storaging device respectively, and valve is all provided with the tracheae.
Description
Technical field
The invention belongs to laser repairing technical field, and in particular to can realize the powder feeding of synchronous powder feeding system and preset powder feeding simultaneously
Device.
Background technology
Laser melting coating（Laser Cladding) laser cladding or laser cladding are also known as, it is that a kind of new surface is modified skill
Art.It is allowed to together with substrate surface thin layer by adding cladding powder in substrate surface using the laser beam of high-energy-density
The method of consolidation, in the filling cladding layer that substrate surface is formed with it is metallurgical binding.Need to use in laser melting and coating process
Powder feeder conveys to cladding powder.
Powder feeder is divided into prefabricated powder feeder and synchronous powder feeder.Because powder is in itself by gravity, can fall down, therefore, in advance
Powder feeder processed can not carry out cladding processing to base material facade.And synchronous powder feeder be by air pressure in cladding directly by powder
Molten bath is sprayed to, therefore can realize that facade is processed；But use air pressure to spray, spray place and do not concentrate, cladding powder can be caused
A large amount of wastes, if simply processing substrate plane, use synchronous powder feeder powder feeding then make it that cladding cost is higher.
Therefore, in order to reduce cladding cost, design it is a kind of can prefabricated/synchronous both of which powder feeder so that in cladding
During can be according to the face of cladding base material come to select powder feeder pattern be very meaningfully.
The content of the invention
Present invention aims to overcome that the defects of prior art, there is provided the multi-functional powder feeder of screw so that can basis
The face of cladding base material selects powder feeding pattern, reduces cladding cost.
To achieve these goals, the technical scheme that the present invention takes is as follows：
The multi-functional powder feeder of screw, including shell and the storage magazine that is arranged on shell, enclosure are provided with transfer passage,
Screw rod is provided with transfer passage, one end of screw rod is connected with power set, and transfer passage is also communicated with powder outlet, the shell
The cleaning powder air pressure inlet that is connected with transfer passage is provided with, synchronously sending of being connected with powder outlet is additionally provided with the shell
Powder air pressure inlet；Powder air pressure inlet and synchronous powder feeding system air pressure inlet is cleaned respectively by tracheae and inert gas storaging device to connect
It is logical, valve is all provided with the tracheae.
As a kind of preferred embodiment, powder outlet is the funnel structure in insertion shell.
As a kind of preferred embodiment, inert gas storaging device is argon gas storage device.
As a kind of preferred embodiment, the shell is provided with openable sealing plate.
As a kind of preferred embodiment, sealing plate is provided with sealing ring with shell contact site.
As a kind of preferred embodiment, transmission granularity is more than 20 μm of powder, and transfer rate is 15 ~ 130g/min.
As a kind of preferred embodiment, during synchronous powder feeding system, it is 0.2 ~ 0.5MPa that synchronous powder feeding system air pressure inlet, which is passed through pressure,.
The structure of the present invention makes it possible to achieve two kinds of working methods of synchronous powder feeding system and preset powder feeding.Because screw rod in itself can
Thrust is produced, the rotating speed of screw rod, which determines, send component, if powder outlet is designed as connecting with output channel, then air pressure meeting
Thrust also is produced to cladding powder on the basis of screw rod thrust, causes powder sending quantity inaccurate.Therefore, the invention enables synchronously send
Powder air pressure inlet connects with powder outlet so that air pressure almost only serves to coating powders and helps the effect that sprays so that send point
Amount is accurate.The cleaning powder air pressure inlet design attitude designed in the present embodiment is able to ensure that argon gas is carried out to whole transfer passage
Purging so that the residual powder of transfer passage is blown.
In the present invention, cleaning powder air pressure inlet is exclusively for replacing powder design.In laser cladding process, exist and adopt
With different cladding alloy metal powder materials, when changing alloyed metal powder, due to metal alloy powders density compared with
Greatly, particle is smaller, and for powder size between 20-300 mesh, screw rod has a certain amount of gap, metal alloy powder with screw rod housing
End can not be pushed out by screw rod rotation completely.Therefore gas dynamics are used, remnants metal alloy powders is blowed
Go out, reach cleaning purpose.
In the present invention, using argon gas as synchronous powder feeding system power source, because argon gas is inert gas, in laser cladding process
In, laser molten pool and air insulated are preferably protected, prevents oxidation reaction, improves Laser Cladding Quality.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Wherein, reference is as follows：1- stores magazine, 2- cladding powder, 3- shells, 4- bunchers, 5- decelerations
Machine, 6- cleaning powder air pressure inlets, 7- screw rods, 8- synchronous powder feeding system air pressure inlets, 9- powder outlet funnels, 10- sealing plates.
Embodiment
The defects of it is an object of the invention to overcome prior art, there is provided the multi-functional powder feeder of screw, with reference to reality
Example is applied to be described in further detail the present invention.
Embodiment 1
As shown in figure 1, the multi-functional powder feeder of screw, including for storing the storage magazine 1 and shell 3 of cladding powder 2.
Storage magazine 1 is arranged on the top of shell 3.Transfer passage, transfer passage and storage magazine are axially arranged with inside shell 3
1 connection so that the cladding powder 2 loaded in storage magazine 1 can enter in transfer passage.It is also axially arranged in transfer passage to have
Screw rod 7, one end of screw rod 7 are sequentially connected the reductor 5 for being arranged on the outside side of shell 3, buncher 4.
For the ease of the repair and replacement to screw rod 7, installation, the side of shell 3 is provided with sealing plate 10, and sealing plate 10 is beaten
Open, transfer passage is in communication with the outside, and sealing plate 10 is closed, and transfer passage does not connect with the external world.It is described in order to ensure sealing function
Sealing plate 10 is provided with sealing ring.
The bottom of shell 3 is provided with mounting hole.Powder outlet funnel 9 is welded in mounting hole and connected with transfer passage.
The shell 3 is provided with the cleaning powder air pressure inlet 6 connected with transfer passage, cleaning powder air pressure inlet 6
In one end that transfer passage connects with storage magazine 1.
Synchronous powder feeding system air pressure inlet 8, synchronous powder feeding system air pressure inlet 8 and 9, powder outlet funnel are additionally provided with the shell 3
Part connection inside shell 3.
Synchronous powder feeding system air pressure inlet 8 and cleaning powder air pressure inlet 6 are connected with argon tanks by tracheae respectively.Two tracheaes
On further respectively have valve.
During prefabricated powder feeding work, synchronous powder feeding system air pressure inlet 8 and cleaning powder air pressure inlet 6 are neither toward leading to inside shell 3
Argon gas.The outlet valve of storage magazine 1 is opened, under gravity, cladding powder 2 falls into transfer passage from storage magazine 1
Interior, the rotation under the drive of buncher 4 of screw rod 7 produces thrust to cladding powder 2 so that cladding powder 2 is from powder outlet funnel 9
In drop out, be preset on the horizontal surface of base material, wait laser melting coating.
During synchronous powder feeding system, the outlet valve of the valve and storage magazine 1 on the tracheae of the connection of synchronous powder feeding system air pressure inlet 8 is opened
Door, under gravity, cladding powder 2 are fallen into transfer passage from storage magazine 1, and screw rod 7 drives backspin in buncher 4
Turn to produce thrust to cladding powder 2 so that cladding powder 2 drops out from powder outlet funnel 9, and now argon pressure causes cladding
Powder 2 is sprayed on laser and processed in the facade of base material in the molten bath to be formed, and realizes laser melting coating.
It is emphasized that being provided with cleaning powder air pressure inlet in the present embodiment, its occupation mode is to close storage magazine 1
Outlet valve, the valve on the tracheae that connects of synchronous powder feeding system air pressure inlet 8, open the tracheae of cleaning powder air pressure inlet connection
On valve so that argon gas in transfer passage to purging, the powder that cleans inside shell 3, so if to change cladding
Can avoids before remnants kind powder from being mixed in new cladding powder 2 impacting cladding during 2 species of powder.
Simultaneously as provided with cleaning powder air pressure inlet, pressure blowout can also be entered when powder blocks, prevents powder from blocking up
Plug.
In the present embodiment, conveying power is improved to cladding powder 2 using screw rod 7, the stirring of screw rod 7 can inherently make
It is more uniform to obtain powder, meanwhile, rotatory thrust also make it that powder is difficult accumulation, is not easily blocked.
The present embodiment, use argon tanks be due to argon gas for inert gas, completely cut off air, prevent the oxidation of cladding powder 2.
The present embodiment, the size of powder sending quantity can be by the rotational speed regulation of buncher 4.Powder feeder described in the present embodiment can pass
The powder for sending granularity to be more than 20 μm, the transfer rate of powder is 15 ~ 130g/min.This powder feeder is accurate using digital display buncher
Controlled motor rotating speed, more intuitively controls powder sending quantity, it is ensured that laser melting coating thickness.
The present embodiment it is reasonable in design, compact-sized, compact, the scope of application is wider.
Embodiment 2
The present embodiment and the difference of embodiment 1 are that powder outlet funnel 9 is integrally formed with shell 3.
According to above-described embodiment, the present invention can be realized well.What deserves to be explained is before based on said structure design
Put, to solve same technical problem, some made in the present invention are used without substantial change or polishing
Technical scheme essence still as the present invention, therefore it should also be as within the scope of the present invention.
Claims (7)
1. the multi-functional powder feeder of screw, including shell and the storage magazine being arranged on shell, it is logical that enclosure is provided with conveying
Road, transfer passage is interior to be provided with screw rod, and one end of screw rod is connected with power set, and transfer passage is also communicated with powder outlet, and it is special
Sign is, the shell is provided with the cleaning powder air pressure inlet connected with transfer passage, is additionally provided with the shell and powder
The synchronous powder feeding system air pressure inlet of outlet；Clean powder air pressure inlet and synchronous powder feeding system air pressure inlet respectively by tracheae with it is lazy
Property gas storage device connection, be all provided with valve on the tracheae.
2. the multi-functional powder feeder of screw according to claim 1, it is characterised in that powder outlet is in insertion shell
Funnel structure.
3. the multi-functional powder feeder of screw according to claim 2, it is characterised in that inert gas storaging device is argon
Gas storage device.
4. the multi-functional powder feeder of screw according to claim 3, it is characterised in that the shell is provided with openable
Sealing plate.
5. the multi-functional powder feeder of screw according to claim 4, it is characterised in that sealing plate is provided with shell contact site
Sealing ring.
6. the multi-functional powder feeder of screw according to claim 5, it is characterised in that transmission granularity is more than 20 μm of powder
End, transfer rate are 15 ~ 130g/min.
7. the multi-functional powder feeder of screw according to claim 6, it is characterised in that during synchronous powder feeding system, synchronous powder feeding system gas
It is 0.2 ~ 0.5MPa that press-in mouth, which is passed through pressure,.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711156446.3A CN107881499A (en) | 2017-11-20 | 2017-11-20 | The multi-functional powder feeder of screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711156446.3A CN107881499A (en) | 2017-11-20 | 2017-11-20 | The multi-functional powder feeder of screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107881499A true CN107881499A (en) | 2018-04-06 |
Family
ID=61778190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711156446.3A Pending CN107881499A (en) | 2017-11-20 | 2017-11-20 | The multi-functional powder feeder of screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107881499A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109623154A (en) * | 2018-12-25 | 2019-04-16 | 大连理工大学 | A kind of new automatic pneumatic helical dust feeder and its application method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2584340Y (en) * | 2002-12-13 | 2003-11-05 | 郑州大学 | Power feeder for laser coating |
| CN2758277Y (en) * | 2004-12-23 | 2006-02-15 | 北京工业大学 | Synchronized power feeding device for laser fast shaping |
| CN203371037U (en) * | 2013-06-26 | 2014-01-01 | 宁波高新区夏远科技有限公司 | Special synchronous powder sending device for laser rapid forming machine |
| CN203741419U (en) * | 2014-03-12 | 2014-07-30 | 中国石油大学(华东) | Synchronous powder feeding device for laser cladding |
| CN207468734U (en) * | 2017-11-20 | 2018-06-08 | 成都大陆激光技术有限公司 | The multi-functional powder feeder of screw |
-
2017
- 2017-11-20 CN CN201711156446.3A patent/CN107881499A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2584340Y (en) * | 2002-12-13 | 2003-11-05 | 郑州大学 | Power feeder for laser coating |
| CN2758277Y (en) * | 2004-12-23 | 2006-02-15 | 北京工业大学 | Synchronized power feeding device for laser fast shaping |
| CN203371037U (en) * | 2013-06-26 | 2014-01-01 | 宁波高新区夏远科技有限公司 | Special synchronous powder sending device for laser rapid forming machine |
| CN203741419U (en) * | 2014-03-12 | 2014-07-30 | 中国石油大学(华东) | Synchronous powder feeding device for laser cladding |
| CN207468734U (en) * | 2017-11-20 | 2018-06-08 | 成都大陆激光技术有限公司 | The multi-functional powder feeder of screw |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109623154A (en) * | 2018-12-25 | 2019-04-16 | 大连理工大学 | A kind of new automatic pneumatic helical dust feeder and its application method |
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Application publication date: 20180406 |