CN107604194B - Wire and powder feeding coupling device based on arc deposition metal matrix composite - Google Patents
Wire and powder feeding coupling device based on arc deposition metal matrix composite Download PDFInfo
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- CN107604194B CN107604194B CN201711049482.XA CN201711049482A CN107604194B CN 107604194 B CN107604194 B CN 107604194B CN 201711049482 A CN201711049482 A CN 201711049482A CN 107604194 B CN107604194 B CN 107604194B
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Abstract
The invention discloses a wire and powder feeding coupling device based on arc deposition metal matrix composite, which comprises a welding gun protective sleeve (1), a functional sleeve (2), a powder feeding injection nozzle (3) and a powder feeding guide pipe (10), wherein the functional sleeve (2) is wrapped on the surface of the welding gun protective sleeve (1), the powder feeding guide pipe (10) is clamped on one side of the functional sleeve (2), the powder feeding injection nozzle (3) is connected to the powder feeding guide pipe (10), and the coupling device is matched with a consumable electrode gas protective welding gun for use. The device can prevent the particles from passing through the arc space for a long distance during powder feeding, and can shorten the solid-liquid contact time of the particles and the liquid metal, thereby preventing the particle dissolution and harmful chemical reaction in the preparation process of the metal matrix composite.
Description
Technical Field
The invention belongs to the technical field of composite materials, relates to a preparation device of a particle reinforced metal matrix composite material, and particularly relates to a wire feeding and powder feeding coupling device based on an arc deposition metal matrix composite material.
Background
The particle reinforced metal matrix composite material has great application potential in the fields of aerospace, national defense war industry, automobile and locomotive and the like due to good comprehensive performance and high cost performance. The traditional particle reinforced metal matrix composite material is prepared by methods such as stirring casting, powder metallurgy, high-energy beam cladding and the like, so that the efficiency is low, the manufacturing cost is high, and the particles and a metal matrix generate harmful chemical reaction due to higher preparation temperature and longer solid-liquid contact time, thereby reducing the comprehensive performance of the particle reinforced metal matrix composite material. In particular, the development of 3D additive manufacturing technology has placed new demands on the manufacturing technology of particle-reinforced metal matrix composites. The arc deposition metal matrix composite has low manufacturing cost and high manufacturing efficiency, is not only suitable for the composite reinforcement of the traditional metal surface, but also suitable for the 3D additive manufacturing of the particle reinforced metal matrix composite. The electric arc deposition method of feeding powder beside the coaxial wire feeding can effectively prevent the particles from being dissolved and having harmful chemical reaction due to serious heating in the process of preparing the particle reinforced metal-based composite material, and is suitable for industrial production and application. The coupling distance and angle of wire feeding and powder feeding have great influence on the quality of the manufactured particle reinforced metal matrix composite material. Different physicochemical characteristics and different technological processes of metal and reinforced particles have different requirements on the coupling distance and angle of wire feeding and powder feeding.
At present, wire and powder feeding adjusting devices which are available in the market and can be retrieved mainly aim at the laser cladding technology, are mainly suitable for coaxial wire and powder feeding, cannot solve the problems of powder dissolution, harmful chemical reaction and the like, are not suitable for preparing particle-reinforced metal-based composite materials by an arc deposition method, and are more particularly not suitable for manufacturing metal-based composite materials based on the arc deposition method by matching with an arc welding gun. For example, the invention patent of the invention with chinese patent publication No. CN104195542A, publication No. 2014.12.10, and invention creation name of "a composite nozzle adjusting device" discloses a device for adjusting the coaxiality of wire feeding and powder feeding suitable for laser cladding, and its application and purpose are different from the present invention.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the metal matrix composite material has the phenomena of particle dissolution and harmful chemical reaction in the preparation process, thereby greatly reducing the performance of the prepared composite material.
Aiming at the technical problems, the invention provides a wire and powder feeding coupling device based on arc deposition metal matrix composite, which is used for designing and transforming a welding gun protective sleeve of the traditional consumable electrode shielded welding and is matched with an adjustable side powder feeding injection nozzle.
Therefore, the invention adopts the following technical scheme:
the utility model provides a send silk to send powder coupling device based on arc deposition metal matrix composite, includes welder protective sleeve, function cover, send powder injection nozzle and send the powder pipe, the function cover parcel is in welder protective sleeve's surface, send powder pipe dress card in one side of function cover, send powder injection nozzle to connect send on the powder pipe, coupling device cooperation melting electrode gas protection welder uses.
Furthermore, the surface of the welding gun protection sleeve is provided with a transmission insection and a guide key slot, and the transmission insection and the guide key slot are respectively positioned on two sides of the welding gun protection sleeve.
Furthermore, one side of the function sleeve is positioned in the guide key groove by adopting a guide pin, and the other side of the function sleeve is fastened by adopting a bolt.
Furthermore, a longitudinal adjusting valve and an angle adjusting valve are respectively arranged on two sides of the functional sleeve, and the angle adjusting valves are positioned on the side of the powder feeding injection nozzle.
Preferably, the longitudinal adjusting valve is provided with a gear, the gear is meshed with the transmission insection, and the longitudinal adjusting valve can be rotated to drive the functional sleeve to move back and forth on the welding gun protective sleeve.
Preferably, the angle adjusting valve is provided with a clamping groove and a fastening screw, and the angle adjusting valve can be rotated to adjust the included angle between the powder feeding injection nozzle and the welding gun protective sleeve.
Furthermore, one end of the powder feeding injection nozzle is provided with a powder spraying port, the other end of the powder feeding injection nozzle is in threaded connection with a powder feeding guide pipe, and the powder feeding guide pipe is arranged in a clamping groove of the angle adjusting valve.
Furthermore, the powder feeding conduit is made of copper or copper alloy.
Furthermore, the curvature of the powder feeding injection nozzle is 20-40 degrees, and the cross section of a powder spraying port of the powder feeding injection nozzle is a round hole or a long slit.
Furthermore, the powder feeding injection nozzle is made of red copper or ceramic.
Compared with the prior art, the invention has the beneficial effects that:
(1) the method can avoid the long-distance crossing of the arc space by the particles during powder feeding, and can also shorten the solid-liquid contact time of the particles and the liquid metal, thereby preventing the occurrence of particle dissolution and harmful chemical reaction in the preparation process of the metal matrix composite.
(2) Simple structure, flexible design and convenient use.
(3) Low manufacturing cost and high manufacturing efficiency, and is suitable for industrial production and application.
Drawings
Fig. 1 is a schematic overall structure diagram of a wire feeding and powder feeding coupling device based on arc deposition of a metal matrix composite material.
Fig. 2 is a schematic structural diagram of a functional sleeve in the wire feeding and powder feeding coupling device based on arc deposition of a metal matrix composite material.
Fig. 3 is a schematic structural view of a longitudinal regulating valve in the wire feeding and powder feeding coupling device based on arc deposition of a metal matrix composite material.
FIG. 4 is a schematic structural diagram of an angle adjusting valve in a wire-feeding and powder-feeding coupling device based on arc deposition of a metal-based composite material.
Fig. 5 is a schematic structural diagram of a powder injection port of a powder feeding injection nozzle in a wire feeding and powder feeding coupling device based on arc deposition of a metal matrix composite material.
Description of reference numerals: 1. a welding gun protection sleeve; 2. a functional sleeve; 3. a powder feeding injection nozzle; 4. a transmission insection; 5. a guide key groove; 6. a longitudinal adjustment valve; 7. an angle adjusting valve; 8. a guide pin; 9. a bolt; 10. a powder feeding conduit; 11. a gear; 12. a card slot; 13. fastening screws; 14. and a powder spraying port.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments, which are provided for illustration only and are not to be construed as limiting the invention.
As shown in figure 1, the invention discloses a wire and powder feeding coupling device based on arc deposition metal matrix composite, which comprises a welding gun protective sleeve 1, a functional sleeve 2, a powder feeding injection nozzle 3 and a powder feeding guide pipe 10, wherein the functional sleeve 2 is wrapped on the surface of the welding gun protective sleeve 1, the powder feeding guide pipe 10 is clamped on one side of the functional sleeve 2, the powder feeding injection nozzle 3 is connected to the powder feeding guide pipe 10, and the coupling device is matched with a consumable electrode gas shielded welding gun for use.
The surface of the welding gun protective sleeve 1 is provided with a transmission insection 4 and a guide key slot 5, and the transmission insection 4 and the guide key slot 5 are respectively positioned on two sides of the welding gun protective sleeve 1.
As shown in fig. 2, one side of the functional sleeve 2 is positioned in the guide key groove 5 by using a guide pin 8, and the other side of the functional sleeve 2 is fastened by using a bolt 9. The two sides of the functional sleeve 2 are respectively provided with a longitudinal adjusting valve 6 and an angle adjusting valve 7, and the angle adjusting valve 7 is positioned on the side of the powder feeding injection nozzle 3.
As shown in fig. 3, the longitudinal adjusting valve 6 is provided with a gear 11, the gear 11 is engaged with the transmission insection 4, and the longitudinal adjusting valve 6 can be rotated to drive the functional sleeve 2 to move back and forth on the welding gun protective sleeve 1.
As shown in fig. 4, a clamping groove 12 and a fastening screw 13 are arranged on the angle adjusting valve 7, and the angle between the powder feeding injection nozzle 3 and the welding gun protective sleeve 1 can be adjusted by rotating the angle adjusting valve 7.
One end of the powder feeding injection nozzle 3 is provided with a powder spraying port 14, the other end of the powder feeding injection nozzle is in threaded connection with a powder feeding guide pipe 10, and the powder feeding guide pipe 10 is arranged in a clamping groove 12 of the angle adjusting valve 7.
The curvature of the powder feeding injection nozzle 3 is 20-40 degrees, and the cross section of the powder spraying port 14 of the powder feeding injection nozzle 3 is a round hole or a long slit, as shown in fig. 5.
The powder feeding conduit 10 is made of copper or copper alloy. The powder feeding injection nozzle 3 is made of red copper or ceramic.
By the adjusting function of the wire and powder feeding coupling device based on the arc deposition metal matrix composite material, the wire and powder feeding coupling angle theta can be controlled to be changed within the range of 10-60 degrees in the process of arc deposition of the metal matrix composite material.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and scope of the present invention are intended to be included therein.
Claims (2)
1. The utility model provides a send a powder feeding coupling device based on arc deposition metal matrix combined material, includes welder protective sleeve (1), function cover (2), send powder injection nozzle (3) and send powder pipe (10), its characterized in that: the welding gun powder feeding device is characterized in that the surface of the welding gun protection sleeve (1) is wrapped by the functional sleeve (2), the powder feeding guide pipe (10) is clamped on one side of the functional sleeve (2), the powder feeding injection nozzle (3) is connected to the powder feeding guide pipe (10), the coupling device is matched with a consumable electrode gas protection welding gun to be used, the surface of the welding gun protection sleeve (1) is provided with transmission insections (4) and guide key grooves (5), the transmission insections (4) and the guide key grooves (5) are respectively located on two sides of the welding gun protection sleeve (1), one side of the functional sleeve (2) is located in the guide key grooves (5) through guide pins (8), and the other side of the functional sleeve (2) is fastened through bolts (9);
a longitudinal adjusting valve (6) and an angle adjusting valve (7) are respectively arranged on two sides of the functional sleeve (2), the angle adjusting valve (7) is located on one side of the powder feeding injection nozzle (3), a gear (11) is arranged on the longitudinal adjusting valve (6), the gear (11) is meshed with the transmission insection (4), the functional sleeve (2) can be driven to move back and forth on the welding gun protective sleeve (1) by rotating the longitudinal adjusting valve (6), a clamping groove (12) and a fastening screw (13) are arranged on the angle adjusting valve (7), and the included angle between the powder feeding injection nozzle (3) and the welding gun protective sleeve (1) can be adjusted by rotating the angle adjusting valve (7);
The wire feeding and powder feeding coupling angle theta in the process of arc deposition of the metal matrix composite material can be controlled to be changed within the range of 10-60 degrees.
2. The wire and powder feeding coupling device based on arc deposition metal matrix composite material as claimed in claim 1, wherein: one end of the powder feeding injection nozzle (3) is provided with a powder spraying port (14), the other end of the powder feeding injection nozzle is in threaded connection with a powder feeding guide pipe (10), the powder feeding guide pipe (10) is arranged in a clamping groove (12) of the angle adjusting valve (7), the powder feeding guide pipe (10) is made of copper or copper alloy, the curvature of the powder feeding injection nozzle (3) is 20-40 degrees, the cross section of the powder spraying port (14) of the powder feeding injection nozzle (3) is a round hole or a long seam, and the powder feeding injection nozzle (3) is made of red copper or ceramic.
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| CN201711049482.XA CN107604194B (en) | 2017-10-31 | 2017-10-31 | Wire and powder feeding coupling device based on arc deposition metal matrix composite |
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| CN201711049482.XA CN107604194B (en) | 2017-10-31 | 2017-10-31 | Wire and powder feeding coupling device based on arc deposition metal matrix composite |
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| CN107604194B true CN107604194B (en) | 2022-07-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108970928B (en) * | 2018-08-13 | 2020-05-22 | 福耀集团(福建)机械制造有限公司 | Glass system of dusting |
| CN110499433B (en) * | 2019-09-16 | 2023-12-29 | 南华大学 | Layered composite material additive manufacturing device and method based on rolling and electric arc |
| CN112342425A (en) * | 2020-10-27 | 2021-02-09 | 南京联空智能增材研究院有限公司 | Layered high-toughness composite material prepared based on silk powder mixed deposition method |
| CN112404668B (en) * | 2020-10-29 | 2022-09-13 | 南京理工大学 | Powder feeding electric arc additive device and method for high-nitrogen steel |
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