CN219640680U - Vacuum smelting quick hardening furnace - Google Patents

Abstract

The utility model relates to a vacuum smelting rapid hardening furnace, comprising: charging chamber, smelting chamber, breaker, water-cooling cylinder and receipts material jar are equipped with in the smelting chamber and are used for heating and toppling over the smelting ware of material, and the breaker is used for cooling back crushing to the material that melts, and water-cooling cylinder and breaker intercommunication and have the blanking pipe, and the water-cooling cylinder is used for further cooling down the material after crushing and carries to the blanking pipe, and blanking cylinder peripheral lower part cover is equipped with the guide cylinder, is equipped with elevating system on the receipts material jar, and elevating system is used for driving guide cylinder downwardly moving and receiving the tight or drive guide cylinder upward movement of material jar and keep away from receiving the material jar mouth. The guide cylinder has high guide precision and can be well abutted with the receiving tank, so that the material loss is effectively avoided.

Description

Vacuum smelting quick hardening furnace

Technical Field

The utility model relates to the technical field of mechanical equipment, in particular to a vacuum smelting rapid hardening furnace.

Background

At present, one of the main applications of producing rare earth permanent magnet neodymium iron boron alloy is a vacuum smelting rapid hardening furnace, wherein the vacuum rapid hardening furnace is used for melting all metal raw materials in a crucible by utilizing an electromagnetic induction principle under vacuum or protective atmosphere, casting is performed through a furnace tilting system, and then a copper roller cooled by water is used for rapidly cooling the metal or alloy to form a specific crystal or amorphous structural material; the application number CN 112743056A discloses a vacuum rapid hardening device, through setting up the pouring subassembly on the locomotive to make the locomotive remove between smelting chamber and preparation room, simultaneously, through setting up first sealing door and second sealing door, control smelting chamber and preparation room intercommunication, or make smelting chamber and preparation room separate into two independent cavities, and then conveniently carry out the control of vacuum to mutually independent smelting chamber and preparation room respectively. However, in the prior art, the guide cylinder moves left and right in the middle chamber and is used for butting the middle chamber with the receiving mechanism, the guide cylinder moves transversely, the guide precision is poor, and the receiving mechanism cannot be well butted, so that the material loss is caused.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides a vacuum smelting rapid hardening furnace, which aims to overcome the defects in the prior art.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a vacuum melting rapid hardening furnace comprising: a charging chamber;

the smelting chamber is internally provided with a smelting device for heating and pouring materials;

a crusher for crushing the melted material after cooling;

the water-cooling roller is communicated with the crusher and provided with a blanking pipe, the water-cooling roller is used for further cooling crushed materials and conveying the crushed materials to the blanking pipe, and a material guide cylinder is sleeved at the lower part of the periphery of the blanking cylinder;

the material receiving tank is provided with a lifting mechanism, and the lifting mechanism is used for driving the material guiding cylinder to move downwards to be tightly attached to the material receiving tank opening or driving the material guiding cylinder to move upwards to be away from the material receiving tank opening.

Further, receive the material jar bottom and be equipped with the elevating platform, receive the material jar top and be equipped with and receive the material jar lid, receive material jar lid top and be equipped with the open cover case, receive material jar one side of uncapping the case below is equipped with the cover manipulator that opens and shuts, and the cover manipulator that opens and shuts is used for opening or closing and receives the material jar lid.

Further, the guide cylinder is located in the cover opening box, the lifting mechanism comprises two lifting cylinders which are arranged oppositely, a guide shaft which penetrates through the material receiving shell in a sliding mode is arranged at the end portion of a piston rod of each lifting cylinder, and the guide shaft is connected with the guide cylinder through a locating plate.

Further, the guide shaft is in sliding connection with the cover opening box through a linear bearing, and a corrugated pipe is sleeved on the outer wall of the guide shaft.

Furthermore, the inner wall of the blanking pipe is provided with a conical material guiding sleeve, and the small end of the conical material guiding sleeve faces downwards.

Further, the water-cooling roller comprises a double-layer cooling sleeve, wherein the double-layer cooling sleeve is provided with a feeding end and a discharging end, a containing cavity for containing cooling water is formed between the inner wall and the outer wall of the double-layer cooling sleeve, a spiral blade is arranged on the inner side of the inner wall of the double-layer cooling sleeve, and a lifting plate is arranged on the spiral blade;

the two ends of the connecting sleeve are closed, one end of the connecting sleeve is connected with the discharge end through a connecting plate, the other end of the connecting sleeve is provided with a hollow main shaft, the connecting sleeve is provided with a water inlet cavity and a water outlet cavity, the water inlet cavity extends into the accommodating cavity through a water inlet pipe, and the water outlet cavity is communicated with the accommodating cavity through a water outlet pipe;

the mounting ring is rotationally sleeved outside the main shaft, and a driving mechanism for driving the main shaft to rotate is arranged on the mounting ring;

the double-flow rotary joint is in rotary sealing connection with the main shaft and is provided with a water inlet communicated with the water inlet cavity and a water outlet communicated with the water outlet cavity;

the double-layer cooling jacket is arranged in the mounting barrel, the mounting barrel is further provided with a feed inlet, a feed pipe extending into the double-layer cooling jacket is arranged at the feed inlet, a discharge outlet is further arranged at the bottom of the mounting barrel, and the blanking pipe is arranged at the discharge outlet.

Further, the breaker includes shell and the actuating assembly gathers materials, gather materials the inside water-cooling copper roller that carries out the condensation to liquid metal that is provided with respectively from last to down, be used for carrying out preliminary crushing mechanism and the secondary crushing mechanism that is used for carrying out secondary crushing to the material piece after preliminary crushing after the condensation, the shell bottom that gathers materials that is located secondary crushing mechanism below is provided with down the hopper, it is connected with the inlet pipe to lower the hopper, be provided with gear chain drive mechanism and by actuating assembly simultaneous drive between preliminary crushing mechanism and the secondary crushing mechanism.

The beneficial effects of the utility model are as follows: 1. according to the utility model, the guide cylinder is arranged, and the lifting mechanism can drive the guide cylinder to move downwards to be tightly attached to the tank opening of the material receiving tank.

2. According to the utility model, the conical material guide sleeve is arranged, so that on one hand, the materials can be ensured to fall into the material receiving tank better, and on the other hand, the materials can be ensured to fall into the middle position of the material receiving tank uniformly.

3. According to the utility model, the linear bearing and the corrugated pipe are arranged, so that the occurrence of dust blocking can be avoided.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a cross-sectional view of FIG. 1;

FIG. 4 is a schematic view of a lifting mechanism according to the present utility model;

FIG. 5 is a schematic view of an open-top case of the present utility model;

FIG. 6 is a top view of FIG. 4;

FIG. 7 is a schematic view of a cover opening and closing robot;

FIG. 8 is a top view of FIG. 7;

FIG. 9 is a schematic view of a double layer cooling jacket of the present utility model;

FIG. 10 is a schematic view of the internal structure of FIG. 9;

FIG. 11 is a cross-sectional view of A-A of FIG. 10;

fig. 12 is a schematic view of a double-layered cooling jacket and mounting cylinder.

The marks in the figure: 1. double-layer cooling jacket, 2, connecting plate, 3, mounting ring, 4, double-flow rotary joint, 401, water inlet, 402, water outlet, 5, gear motor, 6, annular plate, 7, helical blade, 8, lifting plate, 9, connecting sleeve, 901, water inlet cavity, 902, water outlet cavity, 10, baffle, 11, water inlet pipe, 12, water outlet pipe, 13, main shaft, 14, central water pipe, 15, retaining ring, 16, supporting sleeve, 17, arc supporting seat, 18, chain, 19, mounting plate, 20, mounting cylinder, 21, receiving tank, 22, lifting cylinder, 23, smelter, 24, crusher, 25, open cover box, 26, blanking pipe, 27, conical guide sleeve, 28, guide cylinder, 29, guide shaft, 30, linear bearing, 31, corrugated pipe, 32, positioning plate, 33, horizontal plate, 34, servo electric cylinder, 35, connecting rod, 36, compacting cylinder, 37, connecting arm, 38, receiving tank cover.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1-12, the present utility model provides a vacuum melting rapid hardening furnace comprising: the feeding chamber, smelting chamber, breaker 24, water-cooling cylinder and receiving tank 21 are equipped with in the smelting chamber and are used for carrying out the smelting ware 23 that heats and empty to the material, and breaker 24 is used for cooling back crushing to the material that melts, and water-cooling cylinder and breaker 24 intercommunication and have blanking pipe 26, and the water-cooling cylinder is used for further cooling down to the material after crushing and carries to blanking pipe 26, blanking cylinder peripheral lower part cover is equipped with guide cylinder 28, is equipped with elevating system on the receiving tank 21, elevating system is used for driving guide cylinder 28 down to move and receive the tight or drive guide cylinder 28 upwards to move away from receiving tank 21 jar mouth with receiving tank 21 jar mouth.

As shown in fig. 1, 2, 3, 5 and 6, the bottom of the material receiving tank 21 is provided with a lifting table, the top of the material receiving tank 21 is provided with a material receiving tank cover 38, a cover opening box 25 is arranged above the material receiving tank cover 38, one side of the material receiving tank 21 below the cover opening box 25 is provided with a cover opening and closing manipulator, the cover opening and closing manipulator is used for opening or closing the material receiving tank cover 38, and the material receiving tank cover 38 is positioned in the cover opening box 25.

The water-cooling inner cylinder, the water-cooling jacket, the water inlet pipe and the blades are arranged in the material receiving tank 21, the water-cooling jacket is sleeved in the material receiving tank 21, the water-cooling inner cylinder is arranged in the water-cooling jacket, the water inlet pipe is arranged in the water-cooling inner cylinder, the blades are arranged in the material receiving tank 21 between the water-cooling inner cylinder and the water-cooling jacket, the water outlet is arranged at the upper part of the outer side face of the upper part of the material receiving tank 21, and at least three blades are arranged in the water-cooling inner cylinder around the water inlet pipe.

As shown in fig. 5-8, the cover opening and closing manipulator comprises a servo electric cylinder 34, a compression cylinder 36, a connecting arm 37 and a connecting rod 35, wherein the compression cylinder 36 is installed at the bottom of the cover opening box 25 through a first installation frame, the servo electric cylinder 34 is installed at the bottom of the cover opening box 25 through a second installation frame, a spline shaft is rotatably connected to the end part of a piston rod of the compression cylinder 36, the cover opening box 25 is provided with an installation through hole for the spline shaft to pass through, the end part of the spline shaft extending into the cover opening box 25 is connected with the connecting arm 37, the spline shaft is perpendicular to the connecting arm 37, the other end of the connecting arm 37 is fixedly connected with a receiving tank cover 38, a spline sleeve is arranged on the spline shaft, one end of the connecting rod 35 is hinged with the servo electric cylinder 34, the other end of the connecting rod 35 is fixedly connected with the outer wall of the spline sleeve, the end part of the servo electric cylinder 34, which is away from the connecting rod 35 is hinged with a second installation frame, the piston rod of the servo electric cylinder 34 extends or retracts, the spline sleeve is driven to rotate forward or reverse under the action of the connecting rod, so as to drive the spline shaft to rotate forward or reverse, and then drive the connecting arm 37 to rotate to realize opening or closing of the receiving tank cover 38, the spline shaft is pushed to move downwards, so as to realize that the receiving tank cover 38 moves downwards, and the compressing tank cover moves.

Further, as shown in fig. 2, fig. 3 and fig. 4, the guide cylinder 28 is located in the open cover box 25, the lifting mechanism comprises two lifting cylinders 22 which are oppositely arranged, the end part of a piston rod of each lifting cylinder 22 is provided with a guide shaft 29 which penetrates through the material receiving shell in a sliding manner, the guide shafts 29 are connected with the guide cylinder 28 through positioning plates 32, the guide shafts 29 are in sliding connection with the open cover box 25 through linear bearings 30, the linear bearings 30 are arranged at the upper ends of the open cover box 25, through holes for the guide shafts 29 to pass through are formed in the open cover box 25, the lifting cylinders 22 are vertically arranged, the end parts of the lifting cylinders are provided with horizontal plates 33, one end of each guide shaft 29 is fixedly connected with the horizontal plates 33, the other end of each guide shaft 29 is slidingly stretched into the open cover box 25 and is fixedly connected with the positioning plates 32, a corrugated pipe 31 is sleeved on the outer wall of each guide shaft 29, and the corrugated pipe 31 is located between each linear bearing 30 and each horizontal plate 33.

As shown in fig. 9-12, the water-cooling roller comprises a double-layer cooling sleeve 1, a connecting sleeve 9, a mounting ring 3 and a double-flow rotary joint 4, wherein the double-layer cooling sleeve 1 is provided with a feed end and a discharge end, the double-layer cooling sleeve 1 is made of stainless steel, a containing cavity for containing cooling water is formed between the inner wall and the outer wall of the double-layer cooling sleeve 1, a helical blade 7 is arranged on the inner side of the inner wall of the double-layer cooling sleeve 1, a lifting blade 8 is arranged on the helical blade 7, the lifting blade 8 is multiple, two ends of the connecting sleeve 9 are sealed, one end of the connecting sleeve 9 is connected with the discharge end through a connecting plate 2, the other end of the connecting sleeve is provided with a hollow main shaft 13, the connecting sleeve 9 is provided with a feed inlet cavity 901 and a discharge cavity 902, the feed inlet cavity 901 extends into the containing cavity through the feed inlet pipe 11, the discharge cavity 902 is communicated with the containing cavity through the discharge pipe 12, the mounting ring 3 is rotationally sleeved outside the main shaft 13 and is axially non-displaced, a driving mechanism for driving the main shaft 13 to rotate is arranged on the mounting ring 3, the rotary joint 4 is rotationally and hermetically connected with the main shaft 13, the double-flow rotary joint 4 is provided with a water inlet 401 and a discharge outlet cavity 402 communicated with the discharge port 20, the double-layer cooling sleeve 20 is further arranged in the double-layer cooling sleeve 1, and is provided with a discharge port 20, and a discharge port 20 is arranged at the bottom of the double-layer cooling sleeve 20.

The main shaft 13 center has the intercommunicating pore, and main shaft 13 is echelonment, intercommunicating pore one end and play water chamber 902 intercommunication, the other end and delivery port 402 intercommunication, water inlet 401 passes through center water pipe 14 and intake chamber 901 intercommunication, center water pipe 14 is located the intercommunicating pore, and the diameter of center water pipe 14 is less than the diameter of intercommunicating pore, and center water pipe 14 and main shaft 13 coaxial setting, intake pipe 11 stretches into accommodation space length slightly less than double-deck cooling jacket 1's length, and the tip that intake pipe 11 stretches into accommodation space is close to double-deck cooling jacket 1's feed end to make the cooling water arrive double-deck cooling jacket 1's feed end fast, improved cooling efficiency.

Specifically, a baffle plate 10 is arranged in the connecting sleeve 9, the baffle plate 10 is used for dividing the inner part of the connecting sleeve 9 into a water inlet cavity 901 and a water outlet cavity 902, the baffle plate 10 is circular, an annular plate 6 is arranged at the discharge end, a mounting disc 19 is arranged on one side of the connecting sleeve 9 opposite to the annular plate 6, the annular plate 6 is connected with the mounting disc 19 through a plurality of connecting plates 2, the connecting plates 2 are uniformly distributed in an annular shape, and two ends of the connecting plates 2 are respectively welded and connected with the mounting disc 19 and the annular plate 6.

The cooling water circulation principle of the utility model: cooling water enters the accommodating space to exchange heat with materials after passing through the water inlet 401, the central water pipe 14, the water inlet cavity 901 and the water inlet pipe 11, and the cooling water after heat exchange flows out through the water outlet pipe 12, the water outlet cavity 902, the communication hole and the water outlet 402.

More specifically, the driving mechanism comprises a gear motor 5, a chain 19 and a first sprocket arranged on the outer side of the main shaft 13, the gear motor 5 is fixed on the mounting ring 3, a second sprocket is arranged on an output shaft of the gear motor 5, the first sprocket is in transmission connection with the second sprocket through the chain 18, and the gear motor 5 drives the main shaft 13 to rotate, so that the connecting sleeve 9 and the double-layer cooling sleeve 1 are driven to rotate.

In addition, the feeding end side of the double-layer cooling jacket 1 is provided with a material blocking ring 15, and the arc-shaped supporting seat 17 is further provided with a supporting sleeve 16, the arc-shaped supporting seat 17 is provided with a plurality of supporting rollers tangent to the supporting sleeve 16, and the fact that the parts, which are not described in detail in the utility model, are all in the prior art is avoided by arranging the material blocking ring 15.

The installation section of thick bamboo 20 adopts carbon steel structure to make, and installation section of thick bamboo 20 is closed for one end, and the other end is equipped with the opening, puts into installation section of thick bamboo 20 with double-deck cooling jacket 1 through installation section of thick bamboo 20 open end, installs arc supporting seat 17 in installation section of thick bamboo 20 inner wall bottom, and installation section of thick bamboo 20 open end still is equipped with the flange ring, and installation ring 3 passes through fixing bolt and flange ring fixed connection, and double-deck cooling jacket 1 installs and accomplishes, still is equipped with the feed inlet on the installation section of thick bamboo 20, and feed inlet department is equipped with the inlet pipe that stretches into in the double-deck cooling jacket 1.

The working principle of the water-cooling roller is as follows: the driving mechanism drives the double-layer cooling sleeve 1 to rotate, the material enters the double-layer cooling sleeve 1 from the feeding end, the material moves towards the discharging end under the action of the helical blade by utilizing the rotation of the double-layer cooling sleeve 1, compared with the prior conveying screw conveyer, the double-layer cooling sleeve has the advantages of no strong friction, light equipment abrasion, longer overall service life, and being carried up under the action of the lifting blade 8 in the rotation process, and then the material is scattered down along with the rotation of the double-layer cooling sleeve 1, thereby playing the role of uniformly stirring the material, ensuring that the material is fully contacted with the inner wall of the double-layer cooling sleeve 1, improving the cooling effect, ensuring that the cooling is more uniform, and leading in cooling water into the accommodating cavity of the double-layer cooling sleeve 1.

The crusher 24 comprises an aggregate shell and a driving assembly, wherein a water-cooled copper roller for condensing liquid metal, a primary crushing mechanism for primarily crushing condensed materials and a secondary crushing mechanism for secondarily crushing primarily crushed materials are respectively arranged in the aggregate shell from top to bottom, a discharging hopper is arranged at the bottom of the aggregate shell below the secondary crushing mechanism, the discharging hopper is connected with a feeding pipe, a gear chain transmission mechanism is arranged between the primary crushing mechanism and the secondary crushing mechanism and is driven by the driving assembly at the same time, the primary crushing mechanism comprises a shaft lever, a plurality of uniformly distributed crushing rods are arranged on the outer side of the shaft lever, and hammering rods are fixedly arranged at the head ends of the crushing rods.

It should be noted that the above embodiments are only for illustrating the present utility model, but the present utility model is not limited to the above embodiments, and any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model falls within the protection scope of the present utility model.

Claims (7)

1. A vacuum melting rapid hardening furnace, comprising:

a charging chamber;

a smelting chamber, in which a smelting device (23) for heating and pouring the material is arranged;

a crusher (24) for crushing the melted material after cooling;

the water-cooling roller is communicated with the crusher (24) and provided with a blanking pipe (26), the water-cooling roller is used for further cooling crushed materials and conveying the crushed materials to the blanking pipe (26), and a material guide cylinder (28) is sleeved at the lower part of the periphery of the blanking pipe (26);

the material receiving tank (21) is provided with a lifting mechanism, and the lifting mechanism is used for driving the material guiding cylinder (28) to move downwards and cling to the tank opening of the material receiving tank (21) or driving the material guiding cylinder (28) to move upwards and away from the tank opening of the material receiving tank (21).

2. A vacuum melting rapid hardening furnace according to claim 1, characterized in that: the material collecting tank is characterized in that a lifting table is arranged at the bottom of the material collecting tank (21), a material collecting tank cover (38) is arranged at the top of the material collecting tank (21), a cover opening box (25) is arranged above the material collecting tank cover (38), a cover opening and closing manipulator is arranged on one side of the material collecting tank (21) below the cover opening box (25), and the cover opening and closing manipulator is used for opening or closing the material collecting tank cover (38).

3. A vacuum melting rapid hardening furnace according to claim 2, characterized in that: the guide cylinder (28) is positioned in the cover opening box (25), the lifting mechanism comprises two lifting cylinders (22) which are oppositely arranged, a guide shaft (29) which penetrates through the material receiving shell in a sliding mode is arranged at the end portion of a piston rod of each lifting cylinder (22), and the guide shaft (29) is connected with the guide cylinder (28) through a positioning plate (32).

4. A vacuum melting rapid hardening furnace according to claim 3, characterized in that: the guide shaft (29) is in sliding connection with the cover opening box (25) through a linear bearing (30), and a corrugated pipe (31) is sleeved on the outer wall of the guide shaft (29).

5. A vacuum melting rapid hardening furnace according to claim 4, characterized in that: the inner wall of the blanking pipe (26) is provided with a conical material guiding sleeve (27), and the small end of the conical material guiding sleeve (27) faces downwards.

6. A vacuum melting rapid hardening furnace according to claim 1, characterized in that: the water-cooling roller comprises a double-layer cooling sleeve (1) which is provided with a feeding end and a discharging end, a containing cavity for containing cooling water is formed between the inner wall and the outer wall of the double-layer cooling sleeve (1), a spiral blade (7) is arranged on the inner side of the inner wall of the double-layer cooling sleeve (1), and a lifting blade (8) is arranged on the spiral blade (7);

the two ends of the connecting sleeve (9) are closed, one end of the connecting sleeve is connected with the discharge end through the connecting plate (2), the other end of the connecting sleeve is provided with a hollow main shaft (13), the connecting sleeve (9) is provided with a water inlet cavity (901) and a water outlet cavity (902), the water inlet cavity (901) stretches into the accommodating cavity through the water inlet pipe (11), and the water outlet cavity (902) is communicated with the accommodating cavity through the water outlet pipe (12);

the mounting ring (3) is rotatably sleeved outside the main shaft (13), and a driving mechanism for driving the main shaft (13) to rotate is arranged on the mounting ring (3);

a double-flow rotary joint (4) which is in rotary sealing connection with the main shaft (13), wherein the double-flow rotary joint (4) is provided with a water inlet (401) communicated with the water inlet cavity (901) and a water outlet (402) communicated with the water outlet cavity (902);

the double-layer cooling sleeve (1) is installed in the installation sleeve (20), the installation sleeve (20) is further provided with a feed inlet, a feed pipe extending into the double-layer cooling sleeve (1) is arranged at the feed inlet, a discharge outlet is further formed in the bottom of the installation sleeve (20), and the blanking pipe (26) is arranged at the discharge outlet.

7. A vacuum melting rapid hardening furnace according to claim 1, characterized in that: the crusher (24) comprises an aggregate shell and a driving assembly, wherein a water-cooling copper roller for condensing liquid metal, a primary crushing mechanism for primarily crushing condensed materials and a secondary crushing mechanism for secondarily crushing the primarily crushed materials are respectively arranged in the aggregate shell from top to bottom, a discharging hopper is arranged at the bottom of the aggregate shell below the secondary crushing mechanism, the discharging hopper is connected with a feeding pipe, and a gear chain transmission mechanism is arranged between the primary crushing mechanism and the secondary crushing mechanism and is driven by the driving assembly.