CN1201888C - Automatically controlled reinforcing particle jetting and codepositing unit for moving crucible - Google Patents
Automatically controlled reinforcing particle jetting and codepositing unit for moving crucible Download PDFInfo
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- CN1201888C CN1201888C CNB011144211A CN01114421A CN1201888C CN 1201888 C CN1201888 C CN 1201888C CN B011144211 A CNB011144211 A CN B011144211A CN 01114421 A CN01114421 A CN 01114421A CN 1201888 C CN1201888 C CN 1201888C
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- negative pressure
- screw rod
- enhanced granule
- inlet
- spray
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Abstract
The present invention relates to a reinforcing particle spray co-deposition device automatically controlled by a moving crucible. The present invention is characterized in that the reinforcing particle spray co-deposition device is composed of a powder quantitative conveying mechanism and a spray deposition mechanism, wherein the powder quantitative conveying mechanism comprises a hopper, a screw rod feeder, a negative pressure chamber and a negative pressure generator; the hopper contains reinforcing particles; the screw rod feeder is provided with a controller; the negative pressure generator is provided with a conveying gas inlet and a conveying pipeline; an outlet of the hopper is connected with an inlet of the screw rod feeder; an outlet of the screw rod feeder is connected with the negative pressure chamber connected with the negative pressure generator; the spray deposition mechanism comprises a composite spraying gun and a multi-layer spray deposition device, and the composite spraying gun is provided with a reinforcing particle inlet and an atomizing gas inlet.
Description
Technical field
The invention belongs to the device of preparation particles reiforced metal-base composition.
Background technology
Spray co deposition is a kind of technology of novel preparation particles reiforced metal-base composition, and it has enhanced granule and is evenly distributed, and matrix is the rapid solidification feature, and the output advantages of higher.Its ultimate principle is: introduce enhancing and common deposited formation blank in the metal melt atomised jet stream.The key of technology is: in order to make the enhanced granule uniform distribution, must quantitative it be fed through injection stream, and be deposited layer institute and catch.Because enhanced granule is a powdered form, exist certain particle to distribute, common Pneumatic conveyer is difficult to realize quantitative control, makes enhanced granule at the matrix skewness, has a strong impact on the tissue and the performance of deposit preform.
Summary of the invention
The object of the present invention is to provide a kind of spray co deposition device, utilize this device can prepare large-scale jet deposition particulate reinforced composite, enhanced granule quantity can strictness control and be evenly distributed in a big way.
The present invention is made up of powder apron quantitive conveyor structure and jet deposition mechanism, described powder apron quantitive conveyor structure comprises the hopper of splendid attire enhanced granule, the screw rod feed appliance of tape-controller, negative pressure chamber, the negative pressure generator of band delivering gas inlet and transport pipe, the inlet of the outlet of hopper and screw rod feed appliance joins, the outlet and the negative pressure chamber of screw rod feed appliance join, negative pressure chamber and negative pressure generator join, described jet deposition mechanism comprises the compound spray gun that band enhanced granule inlet and atomizing gas enter the mouth, the multi-layer spray deposition device, aforementioned transport pipe and enhanced granule inlet join.
Description of drawings
As follows below in conjunction with description of drawings enumeration of the present invention:
Fig. 1 is the structural representation of powder apron quantitive conveyor structure of the present invention
Fig. 2 is the structural representation of jet deposition of the present invention mechanism
Embodiment
The enhanced granule spray co deposition device of mobile crucible automatic control of the present invention can be divided into two portions, one is a powder apron quantitive conveyor structure, be used for carrying enhanced granule 8, as shown in Figure 1, it comprises hopper 1, screw rod feed appliance 2, the controller 3 of screw rod device, negative pressure chamber 7, negative pressure generator (class atomizer structure) 6,4 is delivering gas inlet and transport pipe 5.It two is a jet deposition mechanism, and as shown in Figure 2, it comprises compound spray gun 10, enhanced granule inlet 9, and the transport pipe 5,11 of map interlinking 1 enters the mouth for atomizing gas, and 12 is the multi-layer spray deposition device.
Delivering gas with certain air pressure produces a negative pressure by inlet 4 by negative pressure generator 6 in negative pressure chamber 7, to all suck by the enhanced granule that screw rod feed appliance 2 is imported, enhanced granule is under the carrying under one's arms of high speed delivering gas stream simultaneously, be delivered to inlet 9 by transport pipe 5 suspensions, enter atomized liquid stream, common deposited makes matrix material jet deposition pipe, ingot blank by multi-layer spray deposition device 12 on blank.The operational throughput of enhanced granule can be measured different sorts, different grain size particle sendout and screw speed relation curve in advance by controller 3 accurate quantifications control, just can be according to the preparation of the matrix material of these curve design difference enhanced granule content.This device can be carried various wild phases, as SiC, Al
2O
3Deng, even over-spray powder can both be sent smoothly with this device.Enhanced granule can continuous supplementation to hopper, also can adopt two hoppers and screw rod to be used alternatingly, to realize the continuous conveying of hundreds of kilograms of wild phases.
Utilize aforesaid device can prepare large-scale particle and strengthen the jet deposition matrix material, processing parameter mainly contains: the shape of the rotating speed of the kind of enhanced granule and granularity, screw rod, the air pressure of delivering gas and airshed, delivery conduit and length and jet deposition parameter.
The enhanced granule spray co deposition device of mobile crucible automatic control of the present invention has following characteristics: 1) can accurately carry enhanced granule, enhanced granule is evenly distributed in the matrix, has increased substantially performance of composites.2) adopted the combined type spray gun, enhanced granule all enters atomizing cone, is deposited layer and catches, and has improved the utilization ratio of enhanced granule.3) enhanced granule can be carried continuously, and operational throughput can accurately be regulated in a big way, can control the percentage composition of wild phase in the deposit preform, is suitable for suitability for industrialized production.4) conveying of enhanced granule is not subjected to the restriction of kind, carry when can adopt a plurality of screw rod feed appliances to realize multiple enhanced granule, thereby the jet deposition matrix material for preparing multiple strengthening phase, and the amount amount of sending of the defeated enhanced granule of each feed appliance unit time can be by the speed adjustment of screw rod, to regulate the ratio of each strengthening phase.5) equipment is simple, and is easy to operate.
Adopting device of the present invention to prepare specification is
Outward700/
In360 * 1200mm, the content of SiCp is 15wt% in the 6066Al/SiCp matrix material jet deposition pipe of heavy 900Kg, deposit preform, is uniformly dispersed.Processing parameter is: 100～150 ℃ of melt overheat temperature, jetting height is 100～300mm, atomizing gas is a nitrogen, air pressure is 0.5～1.5MPa, nozzle diameter is 2～4mm, and enhanced granule SiC delivering gas is a nitrogen, and pressure is 0.2～1MPa, the powder flow rate is 10～30% of a metal flow rate, and the screw rod rotational frequency is 200～600 rev/mins.
Adopting device of the present invention to prepare specification is the 7075Al/SiCp matrix material jet deposition pipe of 500 * 1000mm, and the content of SiCp is 12wt% in the deposit preform, is uniformly dispersed.Processing parameter is: 150～200 ℃ of melt overheat temperature, jetting height is 150～300mm, atomizing gas is a nitrogen, air pressure is 0.8～1.2MPa, nozzle diameter is 3～5mm, and enhanced granule SiC delivering gas is a nitrogen, and pressure is 0.2～8MPa, the powder flow rate is 10～25% of a metal flow rate, and the screw rod rotational frequency is 100～400 rev/mins.
Claims (1)
1, a kind of enhanced granule spray co deposition device of mobile crucible automatic control, it is characterized in that it is made up of powder apron quantitive conveyor structure and jet deposition mechanism, described powder apron quantitive conveyor structure comprises the hopper (1) of splendid attire enhanced granule (8), the screw rod feed appliance (2) of tape-controller (3), negative pressure chamber (7), the negative pressure generator (6) of band delivering gas inlet (4) and transport pipe (5), the inlet of the outlet of hopper (1) and screw rod feed appliance (2) joins, the outlet of screw rod feed appliance and negative pressure chamber (7) join, negative pressure chamber (7) joins with negative pressure generator (6), described jet deposition mechanism comprises the enter the mouth compound spray gun (10) of (11) of band enhanced granule inlet (9) and atomizing gas, multi-layer spray deposition device (12), aforementioned transport pipe (5) joins with enhanced granule inlet (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011144211A CN1201888C (en) | 2001-04-19 | 2001-04-19 | Automatically controlled reinforcing particle jetting and codepositing unit for moving crucible |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011144211A CN1201888C (en) | 2001-04-19 | 2001-04-19 | Automatically controlled reinforcing particle jetting and codepositing unit for moving crucible |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1323670A CN1323670A (en) | 2001-11-28 |
| CN1201888C true CN1201888C (en) | 2005-05-18 |
Family
ID=4661067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011144211A Expired - Fee Related CN1201888C (en) | 2001-04-19 | 2001-04-19 | Automatically controlled reinforcing particle jetting and codepositing unit for moving crucible |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1201888C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101775527B (en) * | 2010-03-11 | 2012-07-25 | 湖南大学 | Ceramic particle reinforced aluminum-based gradient composite material and preparation method thereof and jetting precipitation device for preparing material |
| CN102151829A (en) * | 2011-03-22 | 2011-08-17 | 哈尔滨工业大学 | Assisted densification ultrasonic vibration and deposition device for spray-formed deposition billet |
| CN102335743B (en) * | 2011-08-25 | 2013-05-01 | 西北工业大学 | Ultrasonic spray-forming method |
| CN102389979A (en) * | 2011-10-13 | 2012-03-28 | 西北工业大学 | Method and system for preparing particle-reinforced metal-based composite material through injection molding |
| CN106891008B (en) * | 2017-04-18 | 2019-04-05 | 湖南工业大学 | A kind of composite material injection molding system and preparation method |
| CN108031847A (en) * | 2017-11-29 | 2018-05-15 | 湖南工业大学 | A kind of more powder composite materials and its preparation facilities and preparation method |
| JP7144281B2 (en) * | 2018-10-29 | 2022-09-29 | 東京エレクトロン株式会社 | Powder supply device, thermal spraying device, powder supply method and thermal spraying method |
-
2001
- 2001-04-19 CN CNB011144211A patent/CN1201888C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1323670A (en) | 2001-11-28 |
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