Vacuum consumable electric arc furnace with continuous feeding mechanism

Abstract

The vacuum consumable electric arc furnace with the continuous feeding mechanism comprises a main body frame and side doors, one end of the main body frame is fixedly connected with an observation bin, a base is installed at the bottom of the main body frame, the side doors are installed on the two sides of the main body frame, and the bottom end of the main body frame is fixedly connected with a discharging pipe. One side of the side door is fixedly connected with an auxiliary mechanism, and the upper portion of the interior of the discharging pipe is fixedly connected with a rotary crucible. By arranging the driving mechanism, after long-term use, the consumable electrode main body is too heavy to cause excessive abrasion of the driving screw rod, so that the high-pressure spring is sleeved below the outer side of the guide rod, and the elastic force of the high-pressure spring acts on the support plate through the sliding seat, so that the weight of the consumable electrode main body is buffered, and the service life of the consumable electrode main body is prolonged. And therefore, the excessive abrasion of the driving screw rod caused by the gravity is reduced, the phenomenon that the side door shakes up and down after abrasion is avoided, and the stability of the vacuum consumable electric arc furnace is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to vacuum self -consumption electric arc furnace technical field especially a vacuum self -consumption electric arc furnace with continuous feeding mechanism. BACKGROUND

[0002] Vacuum self -consumption electric arc furnace as a kind of with self -consumption electrode as current transport main body metal smelting equipment, under the annular of vacuum or inert gas, through the arc effect of low voltage, high current, self -consumption electrode at the smelting metal is smelted, when using the vacuum self -consumption electric arc furnace in metal smelting recovery, it can be recycled with high efficiency.

[0003] Common vacuum self -consumption electric arc furnace when using, self -consumption electrode is gradually inserted into electric arc furnace inside, and under the condition of energization, the metal at self -consumption electrode is smelted, common vacuum self -consumption electric arc furnace when using, it has good smelting effect but still some problems:

[0004] Common vacuum self -consumption electric arc furnace when using, mostly through motor and screw rod drive makes self -consumption electrode gradually inserted into electric arc furnace inside, and because self -consumption electrode is relatively deep, long-term screw rod drive and accelerate its wear, so that self -consumption electrode is easy to appear when sinking, and it is easy to appear. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of vacuum self -consumption electric arc furnace with continuous feeding mechanism to solve the defect that the self -consumption electrode of existing vacuum self -consumption electric arc furnace is easy to accelerate screw rod wear and produce shaking.

[0006] In order to solve the above technical problems, the utility model provides the following technical scheme: a kind of vacuum self -consumption electric arc furnace with continuous feeding mechanism, including main body frame and side door, the one end of the main body frame is fixedly connected with observation bin, the bottom of the main body frame is installed with base, the both sides of the main body frame are all installed with side door, the middle position of the main body frame top is fixedly connected with guide frame, the inside of the guide frame is slidably connected with self -consumption electrode main body, the side of the main body frame top is fixedly connected with driving mechanism, the driving mechanism includes support frame, guide rod, motor, drive screw, internal thread seat, support plate, sliding seat and high pressure spring, the support frame is fixedly connected on the top of main body frame, the bottom of the main body frame is fixedly connected with discharge pipe, the side of the side door is fixedly connected with auxiliary mechanism, the top of the inside of the discharge pipe is fixedly connected with rotary crucible.

[0007] In use, the self-consumption electrode body is stably installed, and then the arc furnace is started, at this time, the self-consumption electrode body is gradually inserted into the inside of the body frame under the driving of the driving mechanism, and the bottom of the self-consumption electrode body is kept a distance from the top of the rotating crucible, then the inside of the body frame is kept in a vacuum environment under the action of the vacuum system composed of various related pump devices, then low-voltage high-current power is conducted to the self-consumption electrode body, at this time, the high temperature generated by the electric arc gradually melts the smeltable metal attached to the self-consumption electrode body.

[0008] Preferably, the auxiliary mechanism includes a guide frame, an electric telescopic rod, a storage tank, a guide groove, a material containing frame, a material blocking plate and a sealing blocking plate, the guide frame is fixedly connected to the inside of the side door, the bottom of one side of the guide frame is fixedly connected with the electric telescopic rod, the top of one side of the guide frame is fixedly connected with the storage tank, the upper side of one side of the guide frame is provided with the guide groove, the inside of the guide frame is slidably connected with the material containing frame, the top of one side of the material containing frame is fixedly connected with the material blocking plate, one side of the material blocking plate is fixedly connected with the sealing blocking plate, the electric telescopic rod is driven to pull the material containing frame to below the storage tank, so that part of the smeltable metal falls into the inside of the material containing frame, then the electric telescopic rod is driven to push the material containing frame to the end of the guide frame, then the smelting metal in the material containing frame falls downward into the rotating crucible for subsequent smelting.

[0009] Preferably, the inside of the guide frame is communicated with the inside of the storage tank, and the guide frame is perpendicular to the side door.

[0010] Preferably, the guide frame and the material containing frame are in a sliding structure, and the material blocking plate and the sealing blocking plate are perpendicular, so as to seal the guide groove.

[0011] Preferably, one side of both ends of the support frame is fixedly connected with a guide rod, and the top of the support frame is provided with a motor.

[0012] Preferably, the inside of the support frame is rotatably connected with a driving screw, the outside of the driving screw is wrapped with an internal thread seat, one side of the internal thread seat is fixedly connected with a support plate, both ends of one side of the support plate are fixedly connected with sliding seats, and the lower side of the outside of the guide rod is wrapped with a high-pressure spring, the motor is started to drive the driving screw to rotate, and the internal thread seat threadedly connected with the driving screw drives the self-consumption electrode body to sink through the support plate.

[0013] Preferably, the guide rod and the sliding seat are in a sliding structure, and the driving screw and the internal thread seat are in a threaded connection structure, so as to stably sink the self-consumption electrode body.

[0014] The utility model provides a vacuum self -consumption electric arc furnace with continuous feeding mechanism, its advantage lies in: through being provided with drive mechanism, after long -term use because self -consumption electrode main part is too heavy and easy to cause drive screw rod to appear excessive wear, for this reason, the high pressure spring is set to the below of the guide post outside, the elasticity of high pressure spring acts at support plate through slide, thereby the weight of self -consumption electrode main part is buffered, and then reduces excessive wear of drive screw rod easy gravity and produces, thereby avoids the phenomenon that the rear door shakes up and down after wearing, has realized the stability of the vacuum self -consumption electric arc furnace is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is three -dimensional structure schematic diagram of the utility model;

[0016] Figure 2 It is front view partial section structure schematic diagram of the utility model;

[0017] Figure 3 It is front view section structure schematic diagram of the utility model's auxiliary mechanism;

[0018] Figure 4 It is three -dimensional partial exploded structure schematic diagram of the utility model's auxiliary mechanism;

[0019] Figure 5 It is the utility model's Figure 1 Partial section enlarged structure schematic diagram of A place.

[0020] In the drawing: 1, main body frame;2, observation bin;3, base;4, side door;5, auxiliary mechanism;501, guide frame;502, electric telescopic rod;503, storage tank;504, guide groove;505, material containing frame;506, material baffle;507, sealing baffle;6, guide frame;7, self -consumption electrode main part;8, drive mechanism;801, support frame;802, guide rod;803, motor;804, drive screw rod;805, internal thread seat;806, support plate;807, slide;808, high pressure spring;9, discharge pipe;10, rotary crucible. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the scope of the utility model.

[0022] Please refer to Figures 1-5The utility model provides a vacuum self -consumption electric arc furnace with continuous feeding mechanism, including main body frame 1 and side door 4, one end of main body frame 1 is fixedly connected with observation bin 2, and the bottom of main body frame 1 is installed with base 3, and both sides of main body frame 1 are installed with side door 4, and the middle position of main body frame 1 top is fixedly connected with guide frame 6, and the inside slide connection of guide frame 6 has self -consumption electrode main body 7, and the bottom fixed connection of main body frame 1 has discharge pipe 9, and the upper fixed connection of discharge pipe 9 inside has rotary crucible 10, and one side of side door 4 is fixedly connected with auxiliary mechanism 5, and auxiliary mechanism 5 includes guide frame 501, electric telescopic handle 502, storage tank 503, guide groove 504, holds material frame 505, baffle 506 and sealing baffle 507, and guide frame 501 is fixedly connected in the inside of side door 4, and the bottom fixed connection of guide frame 501 one side has electric telescopic handle 502, and one side fixed connection of guide frame 501 top has storage tank 503, and the upper of guide frame 501 one side is equipped with guide groove 504, and the inside slide connection of guide frame 501 has holds material frame 505, and the top fixed connection of holds material frame 505 one side has baffle 506, and one side fixed connection of baffle 506 has sealing baffle 507, and the inside of guide frame 501 is connected with the inside of storage tank 503, and guide frame 501 is perpendicular to side door 4, and guide frame 501 and holds material frame 505 are sliding structure, and baffle 506 and sealing baffle 507 are perpendicular.

[0023] Refer to the attached drawings Figure 1 , Figure 2 , Figure 3 And Figure 4 Because vacuum self -consumption electric arc furnace can only be through self -consumption electrode main body 7 and continuously feed, and if the outside of self -consumption electrode main body 7 is attached with insufficient smeltable metal in the smelting process, cannot smelt the specified metal ingot, at this moment, still need to stop smelting and close the electric arc furnace, then replace self -consumption electrode main body 7 and smelt again, which is very inconvenient, therefore, a certain amount of smeltable metal is filled in storage tank 503 in advance, and the top of storage tank 503 is stably sealed to avoid gas leakage, when the smelting metal on the outside of self -consumption electrode main body 7 is not thick, start the vacuum system to temporarily restore the pressure in main body frame 1, then drive electric telescopic handle 502 to pull holds material frame 505 to the lower side of storage tank 503, so that part of the smeltable metal falls into the inside of holds material frame 505, then drive electric telescopic handle 502 to push holds material frame 505 to the end of guide frame 501, then the smelting metal in holds material frame 505 falls down into rotary crucible 10 for subsequent smelting, and in this process, holds material frame 505 blocks the lower side of storage tank 503 to avoid smelting metal leakage, and sealing baffle 507 blocks guide groove 504 for sealing, then start the vacuum system again to restore the vacuum environment in main body frame 1 for subsequent smelting.

[0024] The side of the top end of the main body frame 1 is fixedly connected with a driving mechanism 8, the driving mechanism 8 comprises a support frame 801, a guide rod 802, a motor 803, a driving screw 804, an internal thread seat 805, a support plate 806, a sliding seat 807 and a high-pressure spring 808, the support frame 801 is fixedly connected to the top end of the main body frame 1, the side of the two ends of the support frame 801 is fixedly connected with the guide rod 802, the top end of the support frame 801 is provided with the motor 803, the inner side of the support frame 801 is rotatably connected with the driving screw 804, the outer side of the driving screw 804 is wrapped with the internal thread seat 805, the side of the internal thread seat 805 is fixedly connected with the support plate 806, the two ends of the side of the support plate 806 are fixedly connected with the sliding seat 807, the lower side of the outer side of the guide rod 802 is wrapped with the high-pressure spring 808, the guide rod 802 and the sliding seat 807 are in sliding structure, and the driving screw 804 and the internal thread seat 805 are in threaded connection structure.

[0025] With reference to the accompanying drawings Figure 1 , Figure 2 and Figure 5 , when the electric arc furnace is used, the self-consuming electrode body 7 is stably installed and then the electric arc furnace is started, at this time, the self-consuming electrode body 7 is gradually inserted into the inside of the main body frame 1 under the driving of the driving mechanism 8, and the bottom of the self-consuming electrode body 7 is kept a certain distance from the top of the rotating crucible 10, then the inside of the main body frame 1 is kept in vacuum environment under the action of the vacuum system composed of various related pump devices, then low-voltage and high-current power is conducted to the self-consuming electrode body 7, at this time, the high temperature generated by the electric arc gradually melts the smeltable metal attached to the self-consuming electrode body 7, and the end of the self-consuming electrode body 7 is shortened after being used for a certain period of time, at this time, it needs to be sunk in order to facilitate subsequent feeding and smelting, at this time, the motor 803 is started to drive the driving screw 804 to rotate, the internal thread seat 805 connected with the driving screw 804 drives the self-consuming electrode body 7 to sink through the support plate 806, and the sliding seat 807 slides along the guide rod 802 in the sinking process, and after long-term use, the self-consuming electrode body 7 is too heavy to cause excessive wear of the driving screw 804, for this, the high-pressure spring 808 is sleeved below the outer side of the guide rod 802, the elastic force of the high-pressure spring 808 acts on the support plate 806 through the sliding seat 807, so as to buffer the weight of the self-consuming electrode body 7, thereby reducing the excessive wear of the driving screw 804 caused by gravity, so as to avoid the phenomenon that the side door 4 shakes up and down after being worn.

[0026] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A vacuum consumable electrode arc furnace with continuous feeding mechanism, comprising a main frame (1) and a side door (4); It is characterized in that: One end of the main frame (1) is fixedly connected with an observation bin (2), the bottom of the main frame (1) is provided with a base (3), both sides of the main frame (1) are provided with a side door (4), the middle of the top of the main frame (1) is fixedly connected with a guide frame (6), the inside of the guide frame (6) is slidably connected with a consumable electrode main body (7), one side of the top of the main frame (1) is fixedly connected with a driving mechanism (8), the driving mechanism (8) comprises a support frame (801), a guide rod (802), a motor (803), a drive screw (804), an internal thread seat (805), a support plate (806), a sliding seat (807) and a high-pressure spring (808), the support frame (801) is fixedly connected to the top of the main frame (1), and the bottom of the main frame (1) is fixedly connected with a discharge pipe (9); One side of the side door (4) is fixedly connected with an auxiliary mechanism (5); The upper part of the inside of the discharge pipe (9) is fixedly connected with a rotary crucible (10).

2. A vacuum arc remelting furnace with a continuous feed mechanism according to claim 1, characterized in that: The auxiliary mechanism (5) comprises a guide frame (501), an electric telescopic rod (502), a storage tank (503), a guide groove (504), a material containing frame (505), a material blocking plate (506) and a sealing baffle (507), the guide frame (501) is fixedly connected to the inside of the side door (4), the bottom of one side of the guide frame (501) is fixedly connected with the electric telescopic rod (502), one side of the top of the guide frame (501) is fixedly connected with the storage tank (503), the upper part of one side of the guide frame (501) is provided with the guide groove (504), the inside of the guide frame (501) is slidably connected with the material containing frame (505), one side of the top of the material containing frame (505) is fixedly connected with the material blocking plate (506), and one side of the material blocking plate (506) is fixedly connected with the sealing baffle (507).

3. A vacuum arc remelting furnace with a continuous feed mechanism according to claim 2, characterized in that: The inside of the guide frame (501) is in communication with the inside of the storage tank (503), and the guide frame (501) is perpendicular to the side door (4).

4. A vacuum arc remelting furnace with a continuous feed mechanism according to claim 2, characterized in that: The guide frame (501) and the material containing frame (505) are in a sliding structure, and the material blocking plate (506) is perpendicular to the sealing baffle (507).

5. A vacuum arc remelt furnace with a continuous feed mechanism according to claim 1, characterized in that: One side of both ends of the support frame (801) is fixedly connected with the guide rod (802), and the top of the support frame (801) is provided with the motor (803).

6. A vacuum arc remelt furnace with a continuous feed mechanism according to claim 1, characterized in that: The inside of the support frame (801) is rotatably connected with the drive screw (804), the outside of the drive screw (804) is wrapped with the internal thread seat (805), one side of the internal thread seat (805) is fixedly connected with the support plate (806), and both ends of one side of the support plate (806) are fixedly connected with the sliding seat (807).

7. A vacuum arc remelting furnace with a continuous feed mechanism according to claim 5, characterized in that: The outside of the guide rod (802) is wrapped with the high-pressure spring (808). The guide rod (802) and the sliding seat (807) are in a sliding structure, and the drive screw (804) and the internal thread seat (805) are in a threaded connection structure.

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