CN211854871U - Crucible melting furnace - Google Patents

Abstract

The utility model discloses a crucible melting furnace, which comprises a supporting seat and a melting furnace main body. The melting furnace main body is arranged on the supporting seat through a rotating shaft. The melting furnace body is internally provided with a crucible, a refractory brick, a heat insulation cotton layer, a heater and a fiber board. The crucible is arranged on the furnace shell cover, a flow channel is arranged on the crucible, and the molten metal in the crucible can be poured out by utilizing the inclination of the rotating shaft. Meanwhile, the trundles are arranged below the supporting seat, so that the metal liquid can be freely moved, pouring is convenient, the time for taking out the metal liquid is saved, and the working efficiency is improved.

Description

Crucible melting furnace

Technical Field

The utility model relates to a casting equipment technical field especially relates to a crucible melting furnace.

Background

A melting furnace is a device for melting metal in casting metal. Can carry out the rapid melting to the metal, can also keep warm simultaneously. The existing melting furnace mainly comprises a burner and a furnace body, the burner is easy to burn to generate waste gas, pollute air and simultaneously cause harm to workers.

A tilting crucible melting furnace is disclosed in patent No. 201320523698.6, in which the furnace is capable of tilting to pour out a metal liquid, but is only convenient to pour out and does not result in great convenience in the actual production process. Meanwhile, the melting furnace cannot move, and is inconvenient for casting. The burners used produce exhaust gas, polluting the air. Further improvements are needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects existing in the prior art, the utility model provides a crucible melting furnace.

The technical scheme of the utility model is realized like this:

a crucible melting furnace comprises a supporting seat and a melting furnace main body, and is characterized in that a pushing handle is arranged on the supporting seat, a bearing seat is arranged on the supporting seat, a rotating shaft is arranged in the middle of the bearing seat, fixing plates are arranged on two sides of the melting furnace main body, two ends of the rotating shaft are respectively arranged on the bearing seat and the fixing plates, a furnace shell is arranged on the melting furnace main body, the fixing plates are fixed on the furnace shell, a furnace shell cover is arranged in the middle of the upper portion of the furnace shell, a fiber board is arranged below the furnace shell cover, a heat insulation cotton layer is arranged below the fiber board, a crucible is arranged in the middle of the heat insulation cotton layer and fixed on the furnace shell cover, a crucible cover plate is arranged on the crucible, a feeding port is arranged on the crucible cover plate, a feeding cover is arranged on the feeding port, a, the furnace shell is characterized in that the locking seat is provided with a spiral pressing block, the spiral pressing block is provided with a handle seat, the handle seat is provided with a handle, the handle is provided with a handle ball, the outer portion of the furnace shell is provided with a gas protection device, the gas protection device is provided with a gas pipe, and the gas pipe penetrates through the crucible cover plate and extends into the crucible.

In the crucible melting furnace of the utility model, a refractory brick is arranged below the inside of the furnace shell, and the refractory brick is arranged below the heat preservation cotton layer.

In the crucible melting furnace of the utility model, a heater is arranged between the crucible and the heat preservation cotton layer.

In the crucible melting furnace of the present invention, the crucible is provided with a flow channel.

The utility model discloses an in this kind of crucible melting furnace, the inside thermocouple seat that is equipped with of crucible, thermocouple seat upper end is fixed on the crucible apron, the thermocouple seat outside is equipped with first thermocouple.

The utility model discloses a in this kind of crucible melting furnace, the crucible is covered and is equipped with the furnace thermocouple, furnace thermocouple below is equipped with the second thermocouple, the second thermocouple is installed the outside of crucible.

The utility model discloses a crucible melting furnace, be equipped with dog and supporting shoe on the supporting seat, the dog passes through the pin to be fixed on the supporting seat, the dog upper end with the laminating of stove outer covering lower extreme, the supporting shoe is installed the side of dog.

In the crucible melting furnace of the present invention, casters are provided on the lower portion of the support base.

Implement the utility model discloses a this kind of crucible melting furnace has following beneficial effect: 1. the trundles are arranged below the supporting seat, the trundles are provided with stoppers, and the stoppers can fix the supporting seat and prevent the supporting seat from rolling. Simultaneously, be equipped with the gyro wheel on the truckle, can remove the supporting seat, remove the melting furnace main part, the direct slope melting furnace main part is poured, convenient operation, swift, saves the time of taking out the metal liquid, has improved work efficiency.

2. This melting furnace adopts the thermocouple to heat, can not produce waste gas, can not cause the influence to staff and atmosphere.

Drawings

FIG. 1 is a schematic view of a crucible melting furnace according to the present invention;

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

FIG. 3 is a left side view of FIG. 1;

FIG. 4 is a top view of FIG. 1;

FIG. 5 is a schematic view of a portion of the structure of FIG. 1;

FIG. 6 is a top view of FIG. 5;

FIG. 7 is a cross-sectional view taken at A-A of FIG. 6;

FIG. 8 is a cross-sectional view taken at B-B of FIG. 6;

FIG. 9 is a schematic view of a portion of the structure of FIG. 5;

FIG. 10 is a front view of FIG. 9;

FIG. 11 is a rear view of FIG. 9;

fig. 12 is a schematic structural view of the caster of fig. 1.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1 to 12, the crucible melting furnace of the present invention includes a support base 10 and a melting furnace main body 11. A furnace shell 12 is arranged outside the melting furnace body 11, and fixing plates 13 are arranged on two sides of the furnace shell 12. The support base 10 is provided with a bearing housing 14, and the fixed plate 13 and the bearing housing 14 are provided with a rotary shaft 15, and the melting furnace body 11 and the support base 10 are fixed together by the rotary shaft 15. Simultaneously, the melting furnace main body 11 can also rotate through the rotating shaft 15, metal liquid in the melting furnace main body 11 is poured out in an inclined mode, and pouring is facilitated.

As shown in fig. 3, in order to prevent the melting furnace body 11 from rotating around the rotation axis 15 when the metal is heated, a stopper 16 and a support block 17 are provided on the support base 10. The stopper 16 is fixed to the support base 10 by a pin 18, and the stopper 16 can rotate about the pin 18. The upper end of the stop block 16 is attached to the lower end of the furnace shell 12, so that the melting furnace main body 11 is stopped by the stop block 16, and the melting furnace main body 11 is prevented from shaking when metal is heated. The supporting block 17 is installed on the side of the block 16, and when the metal liquid in the melting furnace body 11 needs to be poured out, the block 16 only needs to be rotated around the pin 18, and the block 16 is placed on the supporting block 17.

Meanwhile, a push handle 19 is arranged on the support seat 10, and the push handle 19 is installed at the rear of the support seat 10 and used for pushing the support seat 10 through the push handle 19 when the support seat 10 moves. A caster 20 is arranged at the bottom of the support base 10, the caster 20 comprises a connecting piece 201, a stopper 202 and a roller 203, the connecting piece 201 is fixed on the support base 10, and the roller 203 is fixed on the connecting piece 201 through a bolt and can roll on the connecting piece 201. The stopper 202 is a member capable of stopping the roller 203, and is mounted on the connecting member 201. When the support seat 10 needs to be fixed, the stopper 202 is clamped on the roller 203, and the roller 203 cannot rotate. When the supporting seat 10 needs to be moved, the supporting seat 10 can be moved through the rollers 203, so that the supporting seat can be conveniently poured at different positions.

Referring to fig. 7 and 8, the furnace shell 12 is cylindrical, and the upper portion of the furnace shell 12 is hollow. A furnace shell cover 22 is provided in the middle of the upper part of the furnace shell 12, and firebricks 21 are provided in the middle of the lower part of the furnace shell 12, so that the bottom of the furnace shell 12 can be prevented from being burned out at high temperature. Meanwhile, a crucible 26, a heater 23, an insulating cotton layer 24 and a fiber plate 25 are arranged between the furnace shell cover 22 and the refractory bricks 21. An insulating cotton layer 24 is placed on the refractory bricks 21 inside the furnace shell 12. The heat preservation cotton layer 24 is provided with the three-layer, and the inside temperature of first assurance crucible 26 can not run off, and the second prevents that the high temperature of crucible 26 from transmitting to the outside, with the temperature rising of stove outer covering 12, causes the potential safety hazard. The heater 23 is arranged in the middle of the three heat preservation cotton layers 24, and the heater 23 mainly heats the crucible 26. And in the middle of the heater 23 is a crucible 26. The fiberboard 25 is arranged below the furnace shell cover 22 and is placed on the heat insulation cotton layer 24 and the heater 23, and the fiberboard 25 is high-temperature resistant and can effectively isolate the temperature. The furnace shell cover 22 is fixed on the fiber board 25 through bolts, and the fiber board 25 is provided with two layers, so that the better heat insulation is realized.

The crucible 26 is installed in the middle of the heater 23, and the crucible 26 is fixed to the furnace cover 22 by bolts. And a runner 27 is provided on the crucible 26, and the front end of the runner 27 is flat, but the portion connected to the crucible 26 is inclined toward the crucible 26. Thus, after the metal liquid is poured out, the metal liquid is refluxed through the inclined part, and the metal liquid cannot flow to the outside, so that waste is caused.

Two layers of crucible cover plates 261 are arranged on the crucible 26, and the crucible cover plates 261 are fixed on the crucible 26 through bolts. A feed opening 28 is provided in the middle of the crucible cover 261, the feed opening 28 being located just above the crucible 26. The feeding port 28 is provided with a feeding cover 29, and the crucible 26 can be covered by the feeding cover 29 to ensure that the temperature inside the crucible cannot be lost. The feeding cover 29 is provided with a handle 30, so that the feeding cover 29 can be conveniently opened. The charging lid 29 is provided with locking seats 31 at both ends thereof, and the locking seats 31 are fixed to the crucible cover 261. The locking seat 31 is provided with a screw pressing block 32. The screw clamp 32 is helical. The screw pressing block 32 is provided with a handle seat 33, the handle seat 33 is provided with a handle 34, the handle 34 is provided with a handle ball 35, and the handle ball 35 is convenient to rotate. After the feeding cover 29 is covered on the feeding port 28, the handle seat 33 on the handle 34 presses the screw pressing block 32 by rotating the handle 34. When the crucible is rotated, the spiral pressing block 32 rotates to the feeding cover 29, so that the handle seat 33 is pressed by rotating the handle 34 to apply pressure to the spiral pressing block 32, the feeding cover 29 is tightly covered, and the gas and temperature in the crucible 26 are ensured not to be lost.

Preferably, a gas-protecting device 36 is provided outside the furnace shell 12, and the gas-protecting device 36 is installed behind the furnace shell 12. The gas shield 36 is provided with a gas pipe 37, and the gas pipe 37 extends into the crucible 26 through the crucible cover 261. Gas shield 36 is used to pressurize crucible 26 via gas line 37 to maintain high pressure in crucible 26.

The crucible 26 is provided with a thermocouple holder 38, and the thermocouple holder 38 is fixed on the crucible cover plate 261 and extends into the crucible 26 to heat the metal. A first thermocouple 381 is provided on the thermocouple block 38, the first thermocouple 381 being outside the furnace shell 12. Meanwhile, a hearth thermocouple 39 is arranged on the crucible cover plate 261, a second thermocouple 391 is arranged on the hearth thermocouple 39, and the second thermocouple 391 penetrates through the crucible cover plate 261 and extends into a space between the crucible 26 and the heater 23 to heat the outside of the crucible 26.

The crucible melting furnace heats a crucible 26 by a heater 23, a first thermocouple 381 and a second thermocouple 391, and a heat insulating cotton layer 24 is provided outside the crucible 26 to insulate the crucible 26. The supporting seat 10 at the bottom of the melting furnace main body 11 can move the melting furnace main body 11, so that casting at different positions is facilitated. The supporting base 10 and the melting furnace main body 11 are connected through a rotating shaft 14, and when pouring is needed, the melting furnace main body 11 is directly inclined and directly poured into a mold. Convenient and fast, convenient operation improves production efficiency.

The above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. A crucible melting furnace comprises a supporting seat and a melting furnace main body, and is characterized in that a pushing handle is arranged on the supporting seat, a bearing seat is arranged on the supporting seat, a rotating shaft is arranged in the middle of the bearing seat, fixing plates are arranged on two sides of the melting furnace main body, two ends of the rotating shaft are respectively arranged on the bearing seat and the fixing plates, a furnace shell is arranged on the melting furnace main body, the fixing plates are fixed on the furnace shell, a furnace shell cover is arranged in the middle of the upper portion of the furnace shell, a fiber board is arranged below the furnace shell cover, a heat insulation cotton layer is arranged below the fiber board, a crucible is arranged in the middle of the heat insulation cotton layer and fixed on the furnace shell cover, a crucible cover plate is arranged on the crucible, a feeding port is arranged on the crucible cover plate, a feeding cover is arranged on the feeding port, a, the furnace shell is characterized in that the locking seat is provided with a spiral pressing block, the spiral pressing block is provided with a handle seat, the handle seat is provided with a handle, the handle is provided with a handle ball, the outer portion of the furnace shell is provided with a gas protection device, the gas protection device is provided with a gas pipe, and the gas pipe penetrates through the crucible cover plate and extends into the crucible.

2. The crucible melting furnace of claim 1, wherein refractory bricks are provided below the inside of the shell, and the refractory bricks are placed below the insulating cotton layer.

3. The crucible melting furnace according to claim 1, wherein a heater is provided between the crucible and the heat insulating cotton layer.

4. The crucible melting furnace as claimed in claim 1, wherein a runner is provided in the crucible.

5. The crucible melting furnace as claimed in claim 1, wherein a thermocouple seat is provided inside the crucible, an upper end of the thermocouple seat is fixed to the crucible cover plate, and a first thermocouple is provided outside the thermocouple seat.

6. The crucible melting furnace according to claim 1, wherein a hearth thermocouple is provided on the crucible cover, and a second thermocouple is provided below the hearth thermocouple and is installed outside the crucible.

7. The crucible melting furnace according to claim 1, wherein a stopper fixed to the supporting base by a pin and a supporting block attached to a side surface of the stopper are provided on the supporting base, an upper end of the stopper is fitted to a lower end of the furnace shell, and the supporting block is provided.

8. The crucible melting furnace according to claim 1, wherein casters are provided on a lower portion of the supporting base.

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