CN220507666U

CN220507666U - Feeding device of vacuum smelting furnace

Info

Publication number: CN220507666U
Application number: CN202322136589.5U
Authority: CN
Inventors: 安啟环; 安德临
Original assignee: Shenyang Tongda Vacuum Equipment Co ltd
Current assignee: Shenyang Tongda Vacuum Equipment Co ltd
Priority date: 2023-08-09
Filing date: 2023-08-09
Publication date: 2024-02-20
Anticipated expiration: 2033-08-09

Abstract

The utility model provides a feeding device of a vacuum smelting furnace, and belongs to the technical field of smelting furnaces; comprising the following steps: the device comprises a furnace body, wherein a feeding piece is arranged at the top of the inner end of the furnace body, a sealing cover is rotatably arranged at the top of the feeding piece, a first motor is arranged in the middle of an inner cavity of the feeding piece, and the output end of the first motor extends into a top groove of the feeding piece and is provided with a stirring rod; the bottom inner cavity of the feeding piece is rotationally provided with a rotary drum, a central hole of the rotary drum is in interference fit with a rotary shaft, the rear end of the rotary shaft is rotationally extended out of the feeding piece and is provided with a motor II, and a plurality of feed grooves are formed in the surface of the rotary drum at equal angles. This vacuum melting furnace feeding device is through injecting into the raw materials in to the feed piece, and motor one-tenth drive puddler rotates the stirring, avoids the raw materials to block up in feed opening department, and then the raw materials is through getting into in the silo of rotary drum, rotates down even unloading along with the rotary drum for the volume of unloading at every turn is the same, and convenient control smelting rate, and the practicality is stronger.

Description

Feeding device of vacuum smelting furnace

Technical Field

The utility model belongs to the technical field of smelting furnaces, and particularly relates to a feeding device of a vacuum smelting furnace.

Background

The vacuum smelting furnace is used for producing high-temperature alloy, precise alloy, functional alloy and other materials, and is widely applied to scientific research and production. With the improvement of the material performance, more alloying elements are added into the material, the alloying feeding sequence is strictly controlled, and new requirements are put on the function of the vacuum melting furnace. At present, a rotary table type or a turnover bucket type is generally adopted as an alloy charging device of a vacuum smelting furnace, and the vacuum smelting furnace is mainly used for smelting metal materials in vacuum or protective atmosphere conditions in universities and colleges, scientific research institutions and production enterprises, and can also be used for vacuum refining treatment and precision casting of alloy steel.

The application number 202220120321.5 provides a feeding device of a vacuum smelting furnace, wherein raw materials are fed into a feeding mechanism by arranging the feeding mechanism and a sealing mechanism, and the sealing mechanism discharges air involved in the feeding process, so that the air cannot leak in the feeding process, and the smelting of metals in a vacuum environment is ensured;

however, when the device is used for feeding, if the quantity of the fed raw materials is large, the raw materials are easy to block at the outlet when the bin gate is opened, so that the discharging is slow and uneven, and after the blocking, the raw materials are blocked, the manual stirring is required by a worker, so that the blocked part is dredged, and the time and the labor are wasted; moreover, the device has a certain distance between the discharging part and the smelting vessel, and the raw materials can be caused to fall outside the smelting vessel when falling, so that the practicability is poor.

Disclosure of Invention

In order to solve the problems of charging blockage and non-uniformity in the prior art, the utility model provides a charging device of a vacuum smelting furnace, which adopts a stirring rod to combine with a rotary drum to achieve the effect of uniform charging and non-blockage. The specific technical scheme is as follows: a vacuum melting furnace charging apparatus comprising: the device comprises a furnace body, wherein a feeding piece is arranged at the top of the inner end of the furnace body, a sealing cover is rotatably arranged at the top of the feeding piece, a first motor is arranged in the middle of an inner cavity of the feeding piece, and the output end of the first motor extends into a top groove of the feeding piece and is provided with a stirring rod; the rotary drum is rotatably mounted in the inner cavity at the bottom of the feeding piece, the surface of the rotary drum is rotatably sealed with the inner cavity of the feeding piece, a rotary shaft is in interference fit with a central hole of the rotary drum, the rear end of the rotary shaft rotatably extends out of the feeding piece and is provided with a motor II, a plurality of feed grooves are formed in the surface of the rotary drum at equal angles, an opening is formed in the bottom end of the feeding piece and in the bottom of the top groove, and the surface of the rotary drum is communicated with the two openings; smelting vessel is installed to the inner bottom of furnace body, the base is installed to the bottom of smelting vessel, smelting vessel center and the bottom opening center of feed piece are located same vertical line.

Preferably, the bottom plate is installed to the roof groove bottom of feed piece, the puddler is located the bottom plate top, the feed opening has been seted up to top one side of bottom plate, the feed opening communicates with each other with roof groove bottom opening.

Preferably, the blanking opening is obliquely downwards arranged, and the bottom diameter of the blanking opening is the same as the bottom opening diameter of the top groove.

Preferably, the rubber valve is installed on the top of the furnace body, the air pump is installed on the top of the furnace body, the guide pipe is installed at the output end of the air pump, and the guide pipe is matched with the rubber valve.

Preferably, the front end surface mounting of furnace body has the furnace gate, the surface mounting of furnace gate has the handle, the bottom dead angle of furnace body all installs a supporting legs.

Preferably, a blanking straight cylinder is arranged between the feeding part and the smelting vessel, the blanking straight cylinder is not contacted with the feeding part and the smelting vessel, a ring block is arranged on the surface of the blanking straight cylinder, a connecting block is arranged on two sides of the ring block, bolts are arranged on two side surfaces of the connecting block, and the bolts are used for installing the connecting block on the inner end side wall of the furnace body.

In addition, the feeding device of the vacuum smelting furnace in the technical scheme provided by the utility model can also have the following additional technical characteristics: the anti-theft bolt comprises a top block, an inner groove, arc grooves, bottom blocks, long open holes, clamping rods and springs, wherein the top block and the bottom block are slidably mounted in the top groove of the bolt, the bottom block is square and slidably mounted in the groove, the bottom block is mounted at the bottom end of the top block, the inner grooves are formed in the surfaces of two sides of the top block, the two arc grooves are symmetrically formed in the two sides of the top end of the top block, the arc grooves and the inner grooves are in one-to-one correspondence, the clamping rods are mounted in the grooves of the top block, the long open holes are formed in the surface of the bottom block, the clamping rods are slidably mounted in the long open holes, the springs are welded at the bottoms of the grooves of the bolt, and the top ends of the springs are mounted at the bottom end of the bottom block.

Compared with the prior art, the feeding device of the vacuum smelting furnace has the beneficial effects that:

1. according to the feeding device of the vacuum smelting furnace, raw materials are injected into the feeding piece, the motor drives the stirring rod to rotate and stir, so that the raw materials are prevented from being accumulated at the feeding hole and blocked, and the practicability is high;

2. the raw materials enter the trough of the rotary drum and are evenly discharged downwards along with the rotation of the rotary drum, so that the discharge amount is the same each time, the smelting rate is convenient to control, and the practicability is high;

3. through the straight section of thick bamboo of demountable installation unloading, in entering the straight section of thick bamboo of unloading when making the raw materials feed, directly send into the smelting household utensils with the raw materials through the straight section of thick bamboo of unloading in, avoided the raw materials to fall outside the smelting household utensils, the practicality is stronger.

Drawings

FIG. 1 is a schematic perspective view of a charging device of a vacuum melting furnace according to the present utility model;

FIG. 2 is a front cross-sectional view of a charging device of a vacuum melting furnace according to the present utility model;

FIG. 3 is a side cross-sectional view of a vacuum melting furnace charging apparatus in accordance with the present utility model;

FIG. 4 is a partial cross-sectional view of the bolt of FIG. 2;

wherein, the reference numerals and the part names in fig. 1 to 4 are: 1. furnace body, 2, sealed lid, 3, feed piece, 4, bottom plate, 5, motor one, 6, puddler, 7, rotary drum, 8, silo, 9, pivot, 10, motor two, 11, straight section of thick bamboo of unloading, 12, ring piece, 13, connecting block, 14, bolt, 15, feed opening, 16, base, 17, smelting household utensils, 18, supporting legs, 19, glue valve, 20, aspiration pump, 21, pipe, 22, furnace gate, 23, handle, 141, kicking block, 142, interior recess, 143, arc groove, 144, bottom block, 145, long trompil, 146, clamping lever, 147, spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: a vacuum melting furnace charging apparatus comprising: the method comprises the steps that a feeding piece 3 is arranged at the top of the inner end of a furnace body 1, a sealing cover 2 is rotatably arranged at the top of the feeding piece 3, a motor I5 is arranged in the middle of an inner cavity of the feeding piece 3, the output end of the motor I5 extends into a top groove of the feeding piece 3 and is provided with a stirring rod 6, raw materials are put inwards after the sealing cover 2 is opened, after air is extracted, the motor I5 is started to drive the stirring rod 6 to rotate, so that raw materials entering the feeding piece 3 are stirred, and the raw materials are prevented from being blocked at an opening at the bottom;

the inner cavity of the bottom of the feeding piece 3 is rotationally provided with a rotary drum 7, the surface of the rotary drum 7 is rotationally sealed with the inner cavity of the feeding piece 3, so that raw materials are prevented from being thrown out from a trough 8 in the rotation process, a central hole of the rotary drum 7 is in interference fit with a rotary shaft 9, the rear end of the rotary shaft 9 rotationally extends out of the feeding piece 3 and is provided with a motor II 10, the rotary drum 7 is driven to rotate by the motor II 10, the raw materials put in can be continuously fed, six troughs 8 are formed in the surface of the rotary drum 7 at equal angles, an opening is formed in the bottom end of the feeding piece 3 and the bottom of a top trough, the surface of the rotary drum 7 is communicated with the two openings, and the raw materials enter the rotary drum 7 and are separated from the feeding piece 3 from the rotary drum 7 by forming the two openings;

a smelting vessel 17 is arranged at the bottom of the inner end of the furnace body 1, a base 16 is arranged at the bottom end of the smelting vessel 17, the center of the smelting vessel 17 and the center of the bottom end opening of the feeding piece 3 are positioned in the same vertical line, and raw materials fall into the smelting vessel 17 through the smelting vessel 17.

As the preferred scheme, still further, bottom plate 4 is installed to the roof groove bottom of feed piece 3, and puddler 6 is located bottom plate 4 top, and feed opening 15 has been seted up to top one side of bottom plate 4, and feed opening 15 communicates with each other with roof groove bottom opening, through setting up bottom plate 4 in the roof groove, is favorable to the clean degree of roof groove bottom, also reducible raw materials whereabouts to the condition of colliding with of roof groove inner wall.

As a preferred scheme, still further, feed opening 15 is offered downwards for the slope, and feed opening 15 bottom diameter is the same with roof groove bottom opening diameter, is convenient for with top raw materials automatic feeding downwards through feed opening 15.

As a preferable scheme, a glue valve 19 is installed at the top end of the furnace body 1, an air pump 20 is installed at the top end of the furnace body 1, a guide pipe 21 is installed at the output end of the air pump 20, the guide pipe 21 is matched with the glue valve 19, when air is pumped, the guide pipe 21 is connected with the glue valve 19, the air pump 20 is started, and all air in the feeding piece 3 is pumped out through the guide pipe 21, so that vacuum is formed in the top groove.

As the preferable scheme, still further, furnace gate 22 is installed to the front end surface mounting of furnace body 1, and the surface mounting of furnace gate 22 has handle 23, and a supporting legs 18 is all installed to the bottom dead angle of furnace body 1, after using, can open furnace gate 22 through pulling handle 23, can take and change the internals.

As the preferable scheme, still further, install the straight section of thick bamboo 11 of unloading between feed piece 3 and the smelting household utensils 17, the straight section of thick bamboo 11 of unloading is all contactless with feed piece 3 and smelting household utensils 17, the surface mounting of straight section of thick bamboo 11 of unloading has ring piece 12, a connecting block 13 is all installed to the both sides of ring piece 12, bolt 14 is all installed to the both sides surface of connecting block 13, bolt 14 is used for installing connecting block 13 at furnace body 1's inner lateral wall, through installing the straight section of thick bamboo 11 of unloading, make the raw materials that falls get into down after the straight section of thick bamboo 11 of unloading get into smelting household utensils 17, can avoid the raw materials to fall outside smelting household utensils 17 before falling into smelting household utensils 17 and the upper and lower both ends of straight section of thick bamboo 11 of unloading are the funnel shape, the entering and the discharge of raw materials of being convenient for.

As a preferred scheme, still further, slidable mounting has kicking block 141 and backing block 144 in the top recess of bolt 14, backing block 144 is square piece and with recess slidable mounting, the backing block 144 is installed to the bottom of kicking block 141, an inner groove 142 has all been seted up on the both sides surface of kicking block 141, two arc grooves 143 have been seted up to the top bilateral symmetry of kicking block 141, arc grooves 143 and inner groove 142 one-to-one, install the draw-in bar 146 in the recess of kicking block 141, the trompil 145 has been seted up on the surface of backing block 144, draw-in bar 146 slidable mounting is in trompil 145, the recess bottom welding of bolt 14 has spring 147, the bottom at backing block 144's bottom is installed at the top of spring 147, in order to avoid when dismantling feed straight section of thick bamboo 11, staff's body lacks extracting tool, use bolt 14 accessible bare-hand stretches into in the arc groove 143, can be convenient for outwards pull out kicking block 141 and backing block 144, because of the spacing of draw-in bar 146 to trompil 145, can prevent backing block 144 break away from the recess completely, the rotation of backing block 141 and backing block 144, the rotatable coupling block 14 is driven by user's 14 and can be rotated by the rotation of backing block 14, and further take down the bolt 14 from the rotary motion of the rotary joint 14, and further convenient bolt 14 is rotated by taking down from top 14.

The sealing cover, the motor, the smelting vessel, the rubber valve and the air pump are all in the prior art, wherein the sealing cover, the smelting vessel, the rubber valve and the air pump are all of the same structure and connection mode in the application number 202220120321.5, and the motor can be a three-phase motor, so long as the sealing cover, the motor, the smelting vessel, the rubber valve and the air pump meet the requirements of the scheme.

Working principle: after the utility model is installed, firstly checking the installation and fixation and safety protection of the utility model, then enabling the utility model to be used, opening the sealing cover 2, putting raw materials into the feeding piece 3, then closing the sealing cover 2, when in use, sealing the sealing cover 2 to prevent external air from entering the feeding piece 3, damaging the vacuum environment, enabling the raw materials to fall on the top of the bottom plate 4, connecting the guide pipe 21 with the glue valve 19, pumping out all air in the feeding piece 3 through the air pump 20, driving the stirring rod 6 to rotate through the motor I5 to prevent the raw materials from accumulating at the feed opening 15 and blocking, enabling the raw materials to enter the top trough 8 of the rotary drum 7 through the feed opening 15, simultaneously starting the motor II 10 to drive the rotary drum 7 to rotate, enabling the raw materials to enter the trough 8 rotating to the top opening due to gravity, and enabling the raw materials entering the trough 8 to be transported downwards along with the rotary drum 7 until the raw materials fall into the feed straight barrel 11 when the bottom opening, and then fall into the smelting vessel 17; when the blanking straight cylinder 11 with different sizes needs to be replaced, only the handle 23 is required to be pulled, the furnace door 22 is opened, fingers extend into the arc-shaped groove 143 and clamp the inner groove 142, the top block 141 is clamped to pull out the bottom block 144 outwards, the clamping rod 146 slides in the long opening 145 to limit, the bolt 14 can be driven to rotate by rotating after the top block 141 is pulled out, the bolt 14 is convenient to manually detach, the blanking straight cylinder 11 with different sizes can be replaced, and the practicability is higher.

According to the feeding device of the vacuum smelting furnace, raw materials are injected into the feeding piece, the motor drives the stirring rod to rotate and stir, so that the raw materials are prevented from being accumulated at the feeding hole and blocked, and the practicability is high; the raw materials enter the trough of the rotary drum and are evenly discharged downwards along with the rotation of the rotary drum, so that the discharge amount is the same each time, the smelting rate is convenient to control, and the practicability is high; through the straight section of thick bamboo of demountable installation unloading, in entering the straight section of thick bamboo of unloading when making the raw materials feed, directly send into the smelting household utensils with the raw materials through the straight section of thick bamboo of unloading in, avoided the raw materials to fall outside the smelting household utensils, the practicality is stronger.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein; any reference sign in a claim should not be construed as limiting the claim concerned.

In the description of the present utility model, the term "plurality" means two or more, unless explicitly defined otherwise, the orientation or positional relationship indicated by the terms "upper", "lower", etc. are based on the orientation or positional relationship shown in the drawings, merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model; the terms "coupled," "mounted," "secured," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present utility model, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In the present utility model, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A vacuum melting furnace charging apparatus comprising: the furnace body (1) is characterized in that a feeding piece (3) is arranged at the top of the inner end of the furnace body (1), a sealing cover (2) is rotatably arranged at the top of the feeding piece (3), a motor I (5) is arranged in the middle of the inner cavity of the feeding piece (3), and the output end of the motor I (5) extends into a top groove of the feeding piece (3) and is provided with a stirring rod (6);

the rotary drum (7) is rotatably mounted in the bottom inner cavity of the feeding piece (3), the surface of the rotary drum (7) is rotatably sealed with the inner cavity of the feeding piece (3), a rotary shaft (9) is sleeved in a central hole of the rotary drum (7), the rear end of the rotary shaft (9) rotatably extends out of the feeding piece (3) and is provided with a motor II (10), a plurality of feed grooves (8) are formed in the surface of the rotary drum (7) at equal angles, an opening is formed in the bottom end of the feeding piece (3) and the bottom of the top groove, and the surface of the rotary drum (7) is communicated with the two openings;

smelting vessel (17) are installed to the inner bottom of furnace body (1), base (16) are installed to the bottom of smelting vessel (17), smelting vessel (17) center and the bottom opening center of feed piece (3) are located same vertical line.

2. The feeding device of the vacuum melting furnace according to claim 1, wherein a bottom plate (4) is arranged at the bottom of a top groove of the feeding piece (3), the stirring rod (6) is positioned at the top of the bottom plate (4), a feed opening (15) is formed in one side of the top of the bottom plate (4), and the feed opening (15) is communicated with an opening at the bottom of the top groove.

3. The feeding device of the vacuum melting furnace according to claim 2, wherein the feed opening (15) is formed obliquely downwards, and the bottom diameter of the feed opening (15) is the same as the bottom opening diameter of the top groove.

4. The feeding device of the vacuum melting furnace according to claim 1, wherein a glue valve (19) is arranged at the top end of the furnace body (1), an air pump (20) is arranged at the top end of the furnace body (1), a guide pipe (21) is arranged at the output end of the air pump (20), and the guide pipe (21) is matched with the glue valve (19).

5. The feeding device of the vacuum melting furnace according to claim 1, wherein a furnace door (22) is arranged on the front end surface of the furnace body (1), a handle (23) is arranged on the surface of the furnace door (22), and supporting feet (18) are arranged at dead corners of the bottom end of the furnace body (1).

6. A vacuum melting furnace charging apparatus as claimed in claim 1, wherein a blanking straight cylinder (11) is installed between the feeding member (3) and the melting vessel (17), the blanking straight cylinder (11) is not contacted with the feeding member (3) and the melting vessel (17), annular blocks (12) are installed on the surfaces of the blanking straight cylinder (11), connecting blocks (13) are installed on two sides of each annular block (12), bolts (14) are installed on two side surfaces of each connecting block (13), and the bolts (14) are used for installing the connecting blocks (13) on inner end side walls of the furnace body (1).

7. The vacuum melting furnace feeding device according to claim 6, wherein a top block (141) and a bottom block (144) are slidably mounted in a top end groove of the bolt (14), the bottom block (144) is a square block and slidably mounted in the groove, the bottom block (144) is mounted at the bottom end of the top block (141), two inner grooves (142) are formed in two side surfaces of the top block (141), two arc grooves (143) are symmetrically formed in two sides of the top end of the top block (141), the arc grooves (143) are in one-to-one correspondence with the inner grooves (142), clamping rods (146) are mounted in the grooves of the top block (141), long holes (145) are formed in the surface of the bottom block (144), springs (147) are welded at the bottoms of the grooves of the bolt (14), and the top ends of the springs (147) are mounted at the bottom ends of the bottom block (144).