CN218656725U - Channel type metal solid-liquid jet mixing device - Google Patents

Abstract

The utility model relates to a casting technical field, concretely relates to passageway formula metal solid-liquid jet mixing's device to solve in the technique that has disclosed at present when metal solid-liquid mixing process, because solid-liquid mixing arrangement's self defect, and lead to the problem that powder particle and molten metal liquid mixing effect are not good, metal melt is easily blown the scattered stream. The device is through setting up mechanisms such as vibrator, play powder pipe and protective gas feed in on the base, increases the powder in play powder pipe one end and casts the device, including throwing the feed cylinder and throwing the blade etc. with each mechanism rational arrangement to realize effectual powder granule through throwing the process that gets into the metal melt. This metal solid-liquid mixing arrangement can further increase the area of contact of powder granule and metal melt, effectively improves the power that the powder invaded the liquid level, enlarges the not adaptability that equidimension powder granule mixes, makes the powder distribute in the metal melt continuously homogenization, granule suspension stable simultaneously, and the device has good application prospect.

Description

Channel type metal solid-liquid jet mixing device

Technical Field

The utility model relates to a casting technical field, concretely relates to device that passageway formula metal solid-liquid jet mixed.

Background

In the emerging casting technologies at present, various solidification control technologies for metal material casting are more in variety, such as a suspension casting technology, a semi-solid technology, a solid-liquid mixing technology, an electromagnetic stirring technology and the like, which lay a direction for the development of the metal material solidification technology, and the methods have the common points that the solidification speed is increased and the alloy segregation is reduced by adding powder particles into molten metal liquid to form a specific suspension, and the application of the solidification technologies can improve the metal solidification structure to a certain extent and improve the service performance of the material.

In order to solve the application of the metal solid-liquid mixing and solidifying technology, patent document CN114012069a discloses a channel type metal solid-liquid mixing and spraying device and a suspension casting method thereof, which proposes that through channel type mixing, the contact area of powder particles and metal melt liquid is large, the powder diffusivity is good, better mixed suspension can be obtained, and meanwhile, the pneumatic spray gun sprays powder, so that the powder particles are fast melted into the metal liquid, the efficiency is high, and favorable solidifying conditions can be easily obtained inside the metal liquid. However, the mixing mode of the powder and the metal melt liquid still has the defects of small contact area between the powder particles and the metal melt and poor mixing and solidifying effects, and meanwhile, the problems of high instantaneous concentration of the powder particles on the surface of the metal melt, poor uniformity of the whole particles on the liquid surface, segregation of suspension particles and the like are caused because the pneumatic spray gun continuously sprays the powder in one direction.

SUMMERY OF THE UTILITY MODEL

The utility model provides a mixed device is penetrated to passageway formula metal solid-liquid to solve the problem that exists in the above-mentioned background, the purpose is through when metal solid-liquid mixes, with the mode that the design was thrown for rotatory centrifugation with the feeding of powder granule, further improves the effect that the metal mixes and solidifies.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a device that passageway formula metal solid-liquid jet mixing, includes that level and three powder fill and setting that 120 arrange at mutual interval are in powder fill below, with the corresponding base of arranging of powder fill, the centre of a plurality of powder fills and base link up and is equipped with the reaction chamber, is equipped with a plurality of powder outlets on the outer wall of reaction chamber, the bottom of powder fill all is equipped with the funnel, and the bottom of funnel is connected with out the powder pipe, and one side of going out the powder pipe is connected with throws the powder feed cylinder, and the opposite side bottom that goes out the powder pipe is equipped with the high-frequency vibrator, still be equipped with the protective gas import on the outer wall of play powder pipe, it throws the blade to be equipped with a plurality of throwing on the powder feed cylinder.

Further, the base comprises a base upper plate and a base lower plate, the funnel is fixedly welded on the base upper plate in a penetrating mode, and the bottom of the funnel faces the material opening of the powder outlet pipe.

Furthermore, go out the slope of powder pipe one end and sealing state, connect in the bottom of funnel, the other end of going out the powder pipe passes the setting and is in the lateral wall of the powder throwing room at base hypoplastron top and with throw the powder feed cylinder and keep sealed being connected, throw the powder room and be arranged three at mutual interval 120 on the base hypoplastron, and with high frequency vibrator, play powder pipe and throw the equal one correspondence of feed cylinder.

Furthermore, the plurality of throwing blades are vertically and uniformly distributed on the circumference of the cylinder of the powder throwing charging barrel, and the throwing blades are all right opposite to the powder outlet.

Furthermore, still be provided with a plurality of motor support on the base hypoplastron, and be connected with main motor on the motor support, still be connected with the powder throwing motor on the powder throwing feed cylinder.

Furthermore, a plurality of video probes are arranged on the inner wall of the reaction cavity.

The utility model discloses following beneficial effect has:

the utility model discloses a set up vibrator, slope play powder pipe on metal solid-liquid mixing arrangement's base, increase the rotatory device that casts of powder in play powder pipe one end, including casting the feed cylinder and casting the blade etc. with each rational arrangement of mechanism, can the effectual realization powder granule process of casting. The projection system of the metal solid-liquid solidification device solves the problems that the instantaneous concentration of powder particles on the surface of a metal melt is higher, the uniformity of the whole particles on the liquid surface is poorer, suspension particles are partially aggregated and the like due to the fact that a pneumatic spray gun continuously sprays powder in one direction; the contact area of the powder particles and the metal melt can be further increased by the aid of a rotary centrifugal powder particle projection mode, power of the powder intruding into the liquid level is effectively improved, and the powder is continuously and uniformly distributed in the metal melt and continuously and stably distributed.

The utility model discloses rotatory centrifugal powder particle casts the high dispersion flash mixed of mode realization powder and metal melt. Three powder outlets are uniformly distributed on the reaction cavity of the mixing device, so that the powder accelerated by the projection system is dispersed and added into the metal melt in a projection mode, and the powder flying at high speed is rapidly dispersed and distributed in the metal melt. The metal melt has high speed and high pressure when flowing in the reaction cavity channel, the powder enters the metal melt and can break through the barrier of the surface tension of the molten metal, the impact of the molten metal flow is better overcome, the powder enters the metal melt in a high-dispersion and high-speed mode, and the powder is ensured to obtain enough impulse and to be uniformly suspended in the metal melt. The rapid adding mode overcomes the limitation of the size of powder particles, expands the application range of mixing powder particles with different sizes with the metal melt, and thoroughly eradicates the phenomena of segregation, bridging and slag bonding after the powder enters the metal melt.

Drawings

Fig. 1 is a schematic view of the overall structure arrangement of the present invention.

Figure 2 is the utility model discloses a powder granule casts system operating condition schematic diagram.

The reference numerals have the following meanings:

1. a powder hopper; 2. a base; 3. a reaction chamber; 4. a powder outlet; 5. a base upper plate; 6. a base lower plate; 7. a funnel; 8. a powder outlet pipe; 9. a powder throwing chamber; 10. a powder throwing material cylinder; 11. a high-frequency vibrator; 12. a motor bracket; 13. a main motor; 14. a shielding gas inlet; 15. throwing the blades; 16. a powder throwing motor; 17. a video probe; 18. a metal melt; 19. and (4) casting a ladle.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments.

As shown in fig. 1-2, a channel type device for injecting and mixing a metal solid liquid comprises three powder hoppers 1 which are horizontally arranged at intervals of 120 degrees and are connected to an upper plate 5 of a base in a sliding manner through a track, and a base 2 which is fixed below the powder hoppers and is arranged corresponding to the powder hoppers, wherein the base 2 comprises an upper plate 5 of the base and a lower plate 6 of the base. A plurality of motor brackets 12 are also connected on the base lower plate 6 through bolts, and a main motor 13 is connected on the motor brackets 12 through bolts. The middle of the powder hopper 1 and the base 2 is provided with a reaction chamber 3 in a run-through mode, the inner wall of the reaction chamber 3 is further provided with a plurality of video probes 17, and the outer wall of the reaction chamber 3 is provided with a plurality of powder outlets 4. The welding of the bottom sealing state of powder fill 1 has funnel 7, and funnel 7 all runs through welded fastening on base upper plate 5, and the bottom of funnel 7 just has the play powder pipe 8 of tilt state to sealed swing joint, and the one side of going out powder pipe 8 is passed and is fixed the lateral wall of the powder throwing room 9 at base 2 hypoplastron top just keeps sealed fixedly connected with powder throwing feed cylinder 10, goes out the opposite side bottom of powder pipe 8 and installs high frequency vibrator 11, and it has protective gas inlet 14 still to weld on the outer wall of powder pipe 8. A plurality of throwing blades 15 are vertically and uniformly welded on the circumference of a cylinder of the powder throwing charging barrel 10, the throwing blades 15 are all right opposite to the powder outlet 4, and a powder throwing motor 16 is also arranged on the powder throwing charging barrel 10. The three powder throwing chambers 9 are welded on the lower base plate 6 of the base 2 at intervals of 120 degrees and correspond to the high-frequency vibrators 11, the powder outlet pipes 8 and the powder throwing charging barrels 10 one by one.

The utility model discloses in the use, install this metal solid-liquid mixing arrangement in the bottom of watering a packet 19 and switch on and air supply earlier, then with each control parameter input central control platform and add the powder granule that accords with quality and size requirement in throwing device powder hopper 1 according to the requirement, treat that the alloy is smelted and satisfy the metallurgical quality requirement and control 18 temperature of metal melt and reach certain overheated back and go out the stove and pour into watering a packet 19, will water a packet 19 and hang to casting mould sprue upper portion temperature measurement and open and water. In the process of opening a water gap of a casting ladle 19, at the moment, the metal melt 18 flows at a high speed through the reaction cavity 3, a control linkage switch of a vibration powder feeding and rotating centrifugal casting system of the casting ladle 19 and a metal solid-liquid mixing device is started, a powder casting material cylinder 10 and a casting blade 15 are controlled to start working, powder with a certain quantity and size and accompanied with inert gas protection can be uniformly dispersed and shot to the metal melt 18 from a powder outlet 4 at the periphery of the reaction cavity 3 at a certain speed, and a metal melt 18 stream flowing at a high speed flows and is mixed with the powder in a tangential direction in sequence at a certain length through a reaction cavity 3 channel at the casting device. The mixed alloy liquid flows through the pouring cup and directly enters the sprue, and after the sprue is subjected to homogenization mixing and cooling again, mixed liquid with a certain solid phase fraction suspended in the liquid phase can be obtained to fill the cavity.

Claims (6)

1. The utility model provides a device that passageway formula solid metal liquid jet-flow mixes, includes a plurality of powder hoppers (1) and sets up base (2) in powder hopper (1) below, characterized by: the powder spraying machine is characterized in that a reaction cavity (3) is arranged in the middle of the powder hoppers (1) and the base (2) in a penetrating mode, a plurality of powder outlets (4) are formed in the outer wall of the reaction cavity (3), a funnel (7) is arranged at the bottom of each powder hopper (1), a powder outlet pipe (8) is connected to the bottom of each funnel (7), a powder throwing cylinder (10) is connected to one side of each powder outlet pipe (8), a high-frequency vibrator (11) is arranged at the bottom of the other side of each powder outlet pipe (8), a protective gas inlet (14) is further arranged on the outer wall of each powder outlet pipe (8), and a plurality of throwing blades (15) are arranged on the powder throwing cylinder (10).

2. The apparatus as claimed in claim 1, wherein: the base (2) comprises an upper base plate (5) and a lower base plate (6), and the funnels (7) are fixed on the upper base plate (5) in a penetrating mode.

3. The apparatus as claimed in claim 1, wherein: the powder throwing device is characterized in that a powder throwing chamber (9) is arranged at the top of the lower base plate (6), one end of the powder outlet pipe (8) is obliquely connected to the bottom of the funnel (7), and the other end of the powder outlet pipe (8) penetrates through the side wall of the powder throwing chamber (9) to be connected with the powder throwing material barrel (10).

4. The apparatus as claimed in claim 1, wherein: the plurality of throwing blades (15) are vertically and uniformly distributed along the circumferential direction of the powder throwing charging barrel (10), and the throwing blades (15) are opposite to the powder outlet (4).

5. The apparatus as claimed in claim 1, wherein the apparatus comprises: the powder throwing machine is characterized in that a plurality of motor supports (12) are further arranged on the base lower plate (6), a main motor (13) is connected onto each motor support (12), and a powder throwing motor (16) is further connected onto the powder throwing charging barrel (10).

6. The apparatus as claimed in claim 1, wherein: the inner wall of the reaction cavity (3) is also provided with a plurality of video probes (17).

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